gold/ChangeLog

   1 2011-11-11  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
   4         if --just-symbols is given.
   5
   6 2011-11-10  Doug Kwan  <dougkwan@google.com>
   7
   8         PR gold/13362
   9         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
  10         when processing data relocs.
  11         * reloc.h (Relocate_functions::rel_unaligned): New method.
  12         (Relocate_functions::pcrel_unaligned): Ditto.
  13         (Relocate_functions::rel32_unaligned): Ditto.
  14         (Relocate_functions::pcrel32_unaligned): Ditto.
  15
  16 2011-11-15  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  17
  18         Apply mainline patches.
  19         2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  20         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
  21         we are working around the ARM1176 Erratum.
  22         * options.h (General_options::fix_arm1176): Add option.
  23         * testsuite/Makefile.am: Add testcases, and keep current ones
  24         working.
  25         * testsuite/Makefile.in: Regenerate.
  26         * testsuite/arm_fix_1176.s: New file.
  27         * testsuite/arm_fix_1176.sh: Likewise.
  28         2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  29         * arm.cc (Target_arm::Target_arm): Remove initialisation of
  30         may_use_blx_.
  31         (Target_arm::may_use_blx): Remove method.
  32         (Target_arm::set_may_use_blx): Likewise.
  33         (Target_arm::may_use_v4t_interworking): New method.
  34         (Target_arm::may_use_v5t_interworking): Likewise.
  35         (Target_arm::may_use_blx_): Remove member variable.
  36         (Arm_relocate_functions::arm_branch_common): Check for v5T
  37         interworking.
  38         (Arm_relocate_functions::thumb_branch_common): Likewise.
  39         (Reloc_stub::stub_type_for_reloc): Likewise.
  40         (Target_arm::do_finalize_sections): Correct interworking checks.
  41         * testsuite/Makefile.am: Add new tests.
  42         * testsuite/Makefile.in: Regenerate.
  43         * testsuite/arm_farcall_arm_arm.s: New test.
  44         * testsuite/arm_farcall_arm_arm.sh: Likewise.
  45         * testsuite/arm_farcall_arm_thumb.s: Likewise.
  46         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
  47         * testsuite/arm_farcall_thumb_arm.s: Likewise.
  48         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
  49         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
  50         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
  51
  52 2011-10-25  Alan Modra  <amodra@gmail.com>
  53
  54         Apply mainline patches.
  55         2011-09-26  Cary Coutant  <ccoutant@google.com>
  56         gcc PR lto/47247
  57         * plugin.cc (get_symbols_v2): New function.
  58         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  59         (is_referenced_from_outside): New function.
  60         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  61         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  62         (get_symbols): Pass version parameter.
  63         (get_symbols_v2): New function.
  64         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  65         parameter.
  66         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  67         (onload): Add LDPT_GET_SYMBOLS_V2.
  68         (all_symbols_read_hook): Use get_symbols_v2; check for
  69         LDPR_PREVAILING_DEF_IRONLY_EXP.
  70         * testsuite/plugin_test_3.sh: Update expected results.
  71
  72 2011-10-18  David S. Miller  <davem@davemloft.net>
  73
  74         PR binutils/13301
  75         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
  76         member to track relocation locations that have moved during TLS
  77         reloc optimizations.
  78         (Target_sparc::Relocate::Relocate): Initialize to NULL.
  79         (Target_sparc::Relocate::relocate): Adjust view down by 4
  80         bytes if it matches reloc_adjust_addr_.
  81         (Target_sparc::Relocate::relocate_tls): Always move the
  82         __tls_get_addr call delay slot instruction forward 4 bytes when
  83         performing relaxation.
  84
  85 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  86             Ian Lance Taylor  <iant@google.com>
  87
  88         * symtab.cc (Symbol_table::define_special_symbol): Always
  89         canonicalize version string.
  90
  91 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  92
  93         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  94
  95 2011-09-19  Cary Coutant  <ccoutant@google.com>
  96
  97         * incremental.cc (can_incremental_update): Fix typo in comment.
  98         * incremental.h (can_incremental_update): Likewise.
  99
 100 2011-09-18  Cary Coutant  <ccoutant@google.com>
 101
 102         * incremental.cc (can_incremental_update): New function.
 103         * incremental.h (can_incremental_update): New function.
 104         * layout.cc (Layout::init_fixed_output_section): Call it.
 105         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 106         * object.cc (Sized_relobj_file::do_layout): Call
 107         can_incremental_update.
 108
 109 2011-09-13  Cary Coutant  <ccoutant@google.com>
 110
 111         * configure.ac: Check for glibc support for gnu_indirect_function
 112         support with static linking, setting automake conditional
 113         IFUNC_STATIC.
 114         * Makefile.in: Regenerate.
 115         * configure: Regenerate.
 116
 117         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 118         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 119         for IFUNC_STATIC.
 120         * testsuite/Makefile.in: Regenerate.
 121
 122 2011-09-13  Cary Coutant  <ccoutant@google.com>
 123
 124         * incremental.cc (Sized_relobj_incr::do_layout): Call
 125         report_comdat_group for kept comdat sections.
 126         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 127         * testsuite/Makefile.in: Regenerate.
 128         * testsuite/incr_comdat_test_1.cc: New source file.
 129         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 130         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 131         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 132
 133 2011-09-13  Ian Lance Taylor  <iant@google.com>
 134
 135         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 136         variable external_symbols_offset.
 137
 138 2011-09-12  Ian Lance Taylor  <iant@google.com>
 139
 140         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 141         triggered if object has no symbols.
 142
 143 2011-09-09  David S. Miller  <davem@davemloft.net>
 144
 145         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 146         (Output_fill_debug_line::do_write): Likewise.
 147
 148 2011-08-29  Cary Coutant  <ccoutant@google.com>
 149
 150         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 151         casts to match formatting specs.
 152         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 153
 154 2011-08-26  Cary Coutant  <ccoutant@google.com>
 155
 156         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 157         remaining hole size when allocating.
 158         (Layout::make_output_section): Set fill methods for debug sections.
 159         * layout.h (Free_list::Free_list_node): Move from private to
 160         public.
 161         (Free_list::set_min_hole_size): New function.
 162         (Free_list::begin, Free_list::end): New functions.
 163         (Free_list::min_hole_): New data member.
 164         * output.cc: Include dwarf.h.
 165         (Output_fill_debug_info::do_minimum_hole_size): New function.
 166         (Output_fill_debug_info::do_write): New function.
 167         (Output_fill_debug_line::do_minimum_hole_size): New function.
 168         (Output_fill_debug_line::do_write): New function.
 169         (Output_section::Output_section): Initialize new data member.
 170         (Output_section::set_final_data_size): Ensure patch space is larger
 171         than minimum hole size.
 172         (Output_section::do_write): Fill holes in debug sections.
 173         * output.h (Output_fill): New class.
 174         (Output_fill_debug_info): New class.
 175         (Output_fill_debug_line): New class.
 176         (Output_section::set_free_space_fill): New function.
 177         (Output_section::free_space_fill_): New data member.
 178         * testsuite/Makefile.am (incremental_test_3): Add
 179         --incremental-patch option.
 180         (incremental_test_4): Likewise.
 181         (incremental_test_5): Likewise.
 182         (incremental_test_6): Likewise.
 183         (incremental_copy_test): Likewise.
 184         (incremental_common_test_1): Likewise.
 185         * testsuite/Makefile.in: Regenerate.
 186
 187 2011-08-26  Nick Clifton  <nickc@redhat.com>
 188
 189         * po/es.po: Updated Spanish translation.
 190
 191 2011-08-01  Cary Coutant  <ccoutant@google.com>
 192
 193         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 194         * gold/testsuite/Makefile.in: Regenerate.
 195         * gold/testsuite/justsyms_exec.c: New source file.
 196         * gold/testsuite/justsyms_lib.c: New source file.
 197
 198 2011-08-01  Cary Coutant  <ccoutant@google.com>
 199
 200         * layout.cc (Layout::set_segment_offsets): Don't realign text
 201         segment if -Ttext was specified.
 202         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 203         file type.
 204         * object.h (Sized_relobj_file::e_type): New function.
 205         (Sized_relobj_file::e_type_): New data member.
 206         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 207         base address for ET_EXEC files.
 208         * target.cc (Target::do_make_elf_object_implementation): Allow
 209         ET_EXEC files with --just-symbols option.
 210
 211 2011-07-28  Cary Coutant  <ccoutant@google.com>
 212
 213         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 214         Add thread_number parameter.
 215         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 216         * workqueue-threads.cc
 217         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 218         current thread if its thread number is greater than desired thread
 219         count.
 220         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 221         Add thread_number parameter.
 222         (Workqueue::should_cancel_thread): Likewise.
 223         (Workqueue::find_runnable_or_wait): Pass thread_number to
 224         should_cancel_thread.
 225         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 226         parameter.
 227
 228 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 229
 230         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 231         only after checking if it cannot be forced local.
 232         * symtab.h (is_externally_visible): Check if the symbol is not forced
 233         local.
 234
 235 2011-07-15  Ian Lance Taylor  <iant@google.com>
 236
 237         * options.h (class General_options): Add --print-output-format.
 238         Move -EL next to -EB, for  better --help output.
 239         * target-select.cc: Include <cstdio>, "options.h", and
 240         "parameters.h".
 241         (Target_selector::do_target_bfd_name): New function.
 242         (print_output_format): New function.
 243         * target-select.h (class Target_selector): Update declarations.
 244         (Target_selector::target_bfd_name): New function.
 245         (print_output_format): Declare.
 246         * main.cc: Include "target-select.h".
 247         (main): Handle --print-output-format.
 248         * gold.cc: Include "target-select.h".
 249         (queue_initial_tasks): Handle --print-output-format when there are
 250         no input files.
 251         * parameters.cc (parameters_force_valid_target): Give a better
 252         error message if -EB/-EL does not match target.
 253         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 254         function.
 255
 256 2011-07-15  Ian Lance Taylor  <iant@google.com>
 257
 258         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 259         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 260         (Output_data_plt_i386::do_write): Write address of .dynamic
 261         section to first entry in .got.plt section.
 262         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 263         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 264         Initialize layout_.
 265         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 266         section to first entry in .got.plt section.
 267         * layout.h (Layout::dynamic_section): New function.
 268
 269 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 270
 271         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 272         to claim_file call.
 273         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 274         input_section_position_, and input_section_glob_.
 275         (read_layout_from_file): Call function section_ordering_specified.
 276         * layout.h (is_section_ordering_specified): New function.
 277         (section_ordering_specified): New function.
 278         (section_ordering_specified_): New boolean member.
 279         * main.cc(main): Call load_plugins after layout object is defined.
 280         * output.cc (Output_section::add_input_section): Use
 281         function section_ordering_specified to check if section ordering is
 282         needed.
 283         * output.cc (Output_section::add_relaxed_input_section): Use
 284         function section_ordering_specified to check if section ordering is
 285         needed.
 286         (Output_section::update_section_layout): New function.
 287         (Output_section::sort_attached_input_sections): Check if input section
 288         must be reordered.
 289         * output.h (Output_section::update_section_layout): New function.
 290         * plugin.cc (get_section_count): New function.
 291         (get_section_type): New function.
 292         (get_section_name): New function.
 293         (get_section_contents): New function.
 294         (update_section_order): New function.
 295         (allow_section_ordering): New function.
 296         (Plugin::load): Add the new interfaces to the transfer vector.
 297         (Plugin_manager::load_plugins): New parameter.
 298         (Plugin_manager::all_symbols_read): New parameter.
 299         (Plugin_manager::claim_file): New parameter. Save the elf object for
 300         unclaimed objects.
 301         (Plugin_manager::get_elf_object): New function.
 302         (Plugin_manager::get_view): Change to directly use the bool to check
 303         if get_view is called from claim_file_hook.
 304         * plugin.h (input_objects): New function
 305         (Plugin__manager::load_plugins): New parameter.
 306         (Plugin_manager::claim_file): New parameter.
 307         (Plugin_manager::get_elf_object): New function.
 308         (Plugin_manager::in_claim_file_handler): New function.
 309         (Plugin_manager::in_claim_file_handler_): New member.
 310         (layout): New function.
 311         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 312         handler with an extra parameter. Make the elf object before calling
 313         claim_file handler.
 314         * testsuite/plugin_test.c (get_section_count): New function pointer.
 315         (get_section_type): New function pointer.
 316         (get_section_name): New function pointer.
 317         (get_section_contents): New function pointer.
 318         (update_section_order): New function pointer.
 319         (allow_section_ordering): New function pointer.
 320         (onload): Check if the new interfaces exist.
 321
 322 2011-07-13  Ian Lance Taylor  <iant@google.com>
 323
 324         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 325         relro section.
 326         * x86_64.cc (Target_x86_64::got_section): Likewise.
 327         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 328         (relro_now_test_SOURCES): New variable.
 329         (relro_now_test_DEPENDENCIES): New variable.
 330         (relro_now_test_LDFLAGS): New variable.
 331         (relro_now_test_LDADD): New variable.
 332         (relro_now_test.so): New target.
 333         * testsuite/Makefile.in: Rebuild.
 334
 335 2011-07-12  Ian Lance Taylor  <iant@google.com>
 336
 337         PR gold/12980
 338         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 339         GLOB_DAT relocation rather than a RELATIVE relocation for a
 340         protected symbol when creating a shared library.
 341         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 342         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 343         * testsuite/protected_main_1.cc (main): Test that protected
 344         function has same address.
 345
 346 2011-07-11  Ian Lance Taylor  <iant@google.com>
 347
 348         PR gold/12979
 349         * options.h (class General_options): Add -Bgroup.
 350         * options.cc (General_options::finalize): If -Bgroup is set,
 351         default to --unresolved-symbols=report-all.
 352         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 353         * target-reloc.h (issue_undefined_symbol_error): Handle
 354         --unresolved-symbols=report-all.
 355
 356 2011-07-08  Ian Lance Taylor  <iant@google.com>
 357
 358         PR gold/11985
 359         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 360         if linker script discards key sections.
 361         (Layout::create_dynamic_symtab): Likewise.
 362         (Layout::assign_local_dynsym_offsets): Likewise.
 363         (Layout::sized_create_version_sections): Likewise.
 364         (Layout::create_interp): Likewise.
 365         (Layout::finish_dynamic_section): Likewise.
 366         (Layout::set_dynamic_symbol_size): Likewise.
 367
 368 2011-07-08  Ian Lance Taylor  <iant@google.com>
 369
 370         PR gold/12386
 371         * options.h (class General_options): Add --unresolved-symbols.
 372         * target-reloc.h (issue_undefined_symbol_error): Check
 373         --unresolved-symbols.  Add comments.
 374
 375 2011-07-08  Ian Lance Taylor  <iant@google.com>
 376
 377         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 378         expression more complex.
 379
 380 2011-07-08  Ian Lance Taylor  <iant@google.com>
 381
 382         PR gold/11317
 383         * target-reloc.h (issue_undefined_symbol_error): New inline
 384         function, broken out of relocate_section.
 385         (relocate_section): Call issue_undefined_symbol_error.
 386         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 387         there is no TLS segment if we are about to issue an undefined
 388         symbol error.
 389         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 390
 391 2011-07-08  Ian Lance Taylor  <iant@google.com>
 392
 393         PR gold/12279
 394         * resolve.cc (Symbol_table::should_override): Add fromtype
 395         parameter.  Change all callers.  Give error when linking together
 396         TLS and non-TLS symbol.
 397         (Symbol_table::should_override_with_special): Add fromtype
 398         parameter.  Change all callers.
 399         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 400         there is no TLS segment if we have reported some errors.
 401         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 402
 403 2011-07-08  Ian Lance Taylor  <iant@google.com>
 404
 405         PR gold/12372
 406         * target.h (Target::plt_address_for_global): New function.
 407         (Target::plt_address_for_local): New function.
 408         (Target::plt_section_for_global): Remove.
 409         (Target::plt_section_for_local): Remove.
 410         (Target::do_plt_address_for_global): New virtual function.
 411         (Target::do_plt_address_for_local): New virtual function.
 412         (Target::do_plt_section_for_global): Remove.
 413         (Target::do_plt_section_for_local): Remove.
 414         (Target::register_global_plt_entry): Add Symbol_table and Layout
 415         parameters.
 416         * output.cc (Output_data_got::Got_entry::write): Use
 417         plt_address_for_global and plt_address_for_local.
 418         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 419         address of output section.
 420         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 421         got_irelative_, and irelative_count_ fields.  Update
 422         declarations.
 423         (Output_data_plt_i386::has_irelative_section): New function.
 424         (Output_data_plt_i386::entry_count): Add irelative_count_.
 425         (Output_data_plt_i386::set_final_data_size): Likewise.
 426         (class Target_i386): Add got_irelative_ and rel_irelative_
 427         fields.  Update declarations.
 428         (Target_i386::Target_i386): Initialize new fields.
 429         (Target_i386::do_plt_address_for_global): New function replacing
 430         do_plt_section_for_global.
 431         (Target_i386::do_plt_address_for_local): New function replacing
 432         do_plt_section_for_local.
 433         (Target_i386::got_section): Create got_irelative_.
 434         (Target_i386::rel_irelative_section): New function.
 435         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 436         fields.  Don't define __rel_iplt_{start,end}.
 437         (Output_data_plt_i386::add_entry): Add symtab and layout
 438         parameters.  Change all callers.  Use different PLT and GOT for
 439         IFUNC symbols.
 440         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 441         layout parameters.  Change all callers.  Use different PLT and
 442         GOT.
 443         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 444         (Output_data_plt_i386::rel_irelative): New function.
 445         (Output_data_plt_i386::address_for_global): New function.
 446         (Output_data_plt_i386::address_for_local): New function.
 447         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 448         IRELATIVE GOT when changing IFUNC GOT entries.
 449         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 450         reloc.
 451         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 452         if we didn't create an IRELATIVE GOT.
 453         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 454         plt_address_for_local.
 455         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 456         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 457         got_irelative_, and irelative_count_ fields.  Update
 458         declarations.
 459         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 460         Initialize new fields.  Remove symtab parameter.  Change all
 461         callers.
 462         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 463         irelative_count_.
 464         (Output_data_plt_x86_64::has_irelative_section): New function.
 465         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 466         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 467         fields.  Update declarations.
 468         (Target_x86_64::Target_x86_64): Initialize new fields.
 469         (Target_x86_64::do_plt_address_for_global): New function replacing
 470         do_plt_section_for_global.
 471         (Target_x86_64::do_plt_address_for_local): New function replacing
 472         do_plt_section_for_local.
 473         (Target_x86_64::got_section): Create got_irelative_.
 474         (Target_x86_64::rela_irelative_section): New function.
 475         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 476         all callers.  Don't create __rel_iplt_{start,end}.
 477         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 478         parameters.  Change all callers.  Use different PLT and GOT for
 479         IFUNC symbols.
 480         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 481         layout parameters.  Change all callers.  Use different PLT and
 482         GOT.
 483         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 484         parameters.  Change all callers.  Use different PLT and GOT for
 485         IFUNC symbols.
 486         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 487         (Output_data_plt_x86_64::rela_irelative): New function.
 488         (Output_data_plt_x86_64::address_for_global): New function.
 489         (Output_data_plt_x86_64::address_for_local): New function.
 490         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 491         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 492         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 493         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 494         parameters.
 495         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 496         reloc.
 497         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 498         symbols if we didn't create an IRELATIVE GOT.
 499         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 500         plt_address_for_local.
 501         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 502         * testsuite/ifuncvar1.c: New test file.
 503         * testsuite/ifuncvar2.c: New test file.
 504         * testsuite/ifuncvar3.c: New test file.
 505         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 506         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 507         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 508         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 509         * testsuite/Makefile.in: Rebuild.
 510
 511 2011-07-07  Cary Coutant  <ccoutant@google.com>
 512
 513         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 514         (two_file_test_1_ndebug.o): Likewise.
 515         (two_file_test_1b_ndebug.o): Likewise.
 516         (two_file_test_2_ndebug.o): Likewise.
 517         (two_file_test_main_ndebug.o): Likewise.
 518         (incremental_test_2): Link with no-debug versions.
 519
 520 2011-07-06  Cary Coutant  <ccoutant@google.com>
 521
 522         * gold/incremental.cc
 523         (Output_section_incremental_inputs::write_info_blocks): Check for
 524         hidden and internal symbols.
 525
 526 2011-07-06  Cary Coutant  <ccoutant@google.com>
 527
 528         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 529         Check disposition for startup file.
 530         (Incremental_inputs::report_command_line): Ignore
 531         --incremental-startup-unchanged option.
 532         * options.cc (General_options::parse_incremental_startup_unchanged):
 533         New function.
 534         (General_options::General_options): Initialize new data member.
 535         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 536         (General_options): Add --incremental-startup-unchanged option.
 537         (General_options::incremental_startup_disposition): New function.
 538         (General_options::incremental_startup_disposition_): New data member.
 539
 540 2011-07-06  Cary Coutant  <ccoutant@google.com>
 541
 542         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 543         input file index to Script_info ctor.
 544         (Sized_incremental_binary::do_file_has_changed): Find the
 545         command-line argument for files named in scripts.
 546         * incremental.h (Script_info::Script_info): New ctor
 547         with input file index.
 548         (Script_info::input_file_index): New function.
 549         (Script_info::input_file_index_): New data member.
 550         (Incremental_binary::get_library): Add const.
 551         (Incremental_binary::get_script_info): Add const.
 552         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 553         * testsuite/Makefile.am (incremental_test_5): New test case.
 554         (incremental_test_6): New test case.
 555         * testsuite/Makefile.in: Regenerate.
 556
 557 2011-07-06  Cary Coutant  <ccoutant@google.com>
 558
 559         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 560         debug output when command lines differ.
 561
 562 2011-07-06  Cary Coutant  <ccoutant@google.com>
 563
 564         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 565         --incremental-patch option.
 566         * layout.cc (Free_list::allocate): Extend allocation beyond original
 567         end if enabled.
 568         (Layout::make_output_section): Mark sections that should get
 569         patch space.
 570         * options.cc (parse_percent): New function.
 571         * options.h (parse_percent): New function.
 572         (DEFINE_percent): New macro.
 573         (General_options): Add --incremental-patch option.
 574         * output.cc (Output_section::Output_section): Initialize new data
 575         members.
 576         (Output_section::add_input_section): Print section name when out
 577         of patch space.
 578         (Output_section::add_output_section_data): Likewise.
 579         (Output_section::set_final_data_size): Add patch space when
 580         doing --incremental-full.
 581         (Output_section::do_reset_address_and_file_offset): Remove patch
 582         space.
 583         (Output_segment::set_section_list_addresses): Print debug output
 584         only if --incremental-update.
 585         * output.h (Output_section::set_is_patch_space_allowed): New function.
 586         (Output_section::is_patch_space_allowed_): New data member.
 587         (Output_section::patch_space_): New data member.
 588         * parameters.cc (Parameters::incremental_full): New function.
 589         * parameters.h (Parameters::incremental_full): New function
 590         * testsuite/Makefile.am (incremental_test_2): Add test for
 591         --incremental-patch option.
 592         * testsuite/Makefile.in: Regenerate.
 593         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 594         (t18): Remove function body.
 595
 596 2011-07-05  Doug Kwan  <dougkwan@google.com>
 597
 598         PR gold/12771
 599         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 600         Arm_Address type for relocation result.
 601         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 602         overflow check.
 603         (Arm_relocate_functions::abs32): Use unaligned access.
 604         (Arm_relocate_functions::rel32): Ditto.
 605         (Arm_relocate_functions::prel31): Ditto.
 606         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 607         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 608         static data relocations.
 609         * testsuite/Makefile.in: Regnerate.
 610         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 611
 612 2011-07-05  Ian Lance Taylor  <iant@google.com>
 613
 614         PR gold/12392
 615         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 616         symbols if necessary.
 617         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 618
 619 2011-07-05  Ian Lance Taylor  <iant@google.com>
 620
 621         PR gold/12952
 622         * resolve.cc (Symbol::override_base_with_special): Simply override
 623         version with special symbol version, ignoring previous version.
 624
 625 2011-07-05  Ian Lance Taylor  <iant@google.com>
 626
 627         * object.cc (Sized_relobj_file::include_section_group): Add
 628         information to comment about signature location.
 629
 630 2011-07-02  Ian Lance Taylor  <iant@google.com>
 631
 632         PR gold/12957
 633         * options.h (class General_options): Add -f and -F.
 634         * options.cc (General_options::finalize): Fatal error if -f/-F
 635         are used without -shared.
 636         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 637
 638 2011-07-02  Ian Lance Taylor  <iant@google.com>
 639
 640         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 641
 642 2011-07-01  Ian Lance Taylor  <iant@google.com>
 643
 644         PR gold/12525
 645         PR gold/12952
 646         * resolve.cc (Symbol::override_base_with_special): Don't override
 647         the version if the overriding symbol has a different name.
 648         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 649         all callers.  If we give an error about an undefined version,
 650         define the base version if necessary.
 651         * dynobj.h (class Versions): Update declaration.
 652         * testsuite/weak_alias_test_5.cc: New file.
 653         * testsuite/weak_alias_test.script: New file.
 654         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 655         and versioned_alias have the right value, and call t2.
 656         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 657         weak_alias_test_5.so.
 658         (weak_alias_test_LDADD): Likewise.
 659         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 660         * testsuite/Makefile.in: Rebuild.
 661
 662 2011-07-01  Ian Lance Taylor  <iant@google.com>
 663
 664         PR gold/12525
 665         * options.h (class General_options): Support -z notext.
 666         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 667         -Wl,-z,notext.
 668         (two_file_shared_nonpic.so): Likewise.
 669         (two_file_shared_mixed.so): Likewise.
 670         (two_file_shared_mixed_1.so): Likewise.
 671         (weak_undef_lib_nonpic.so): Likewise.
 672         (alt/weak_undef_lib_nonpic.so): Likewise.
 673         (tls_test_shared_nonpic.so): Likewise.
 674         * testsuite/Makefile.in: Rebuild.
 675
 676 2011-07-01  Ian Lance Taylor  <iant@google.com>
 677
 678         PR gold/12525
 679         * configure.ac: Test whether static linking works, setting
 680         the automake conditional HAVE_STATIC.
 681         * testsuite/Makefile.am: Disable tests using -static if
 682         HAVE_STATIC is not true.
 683         * configure, testsuite/Makefile.in: Rebuild.
 684
 685 2011-07-01  Ian Lance Taylor  <iant@google.com>
 686
 687         PR gold/12525
 688         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 689         Assert if we see DW_EH_PE_indirect.
 690         * target.h (Target::ehframe_datarel_base): New function.
 691         (Target::do_ehframe_datarel_base): New target function.
 692         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 693         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 694         function.
 695
 696 2011-07-01  Ian Lance Taylor  <iant@google.com>
 697
 698         PR gold/12571
 699         * options.h (class General_options): Add
 700         --ld-generated-unwind-info.
 701         * ehframe.cc (Fde::write): Add address parameter.  Change all
 702         callers.  If associated with PLT, fill in address and size.
 703         (Cie::set_output_offset): Only add merge mapping if there is an
 704         object.
 705         (Cie::write): Add address parameter.  Change all callers.
 706         (Eh_frame::add_ehframe_for_plt): New function.
 707         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 708         input_offset_ fields into union u_, with new plt field.
 709         (Fde::Fde): Adjust for new union field.
 710         (Fde::Fde) [Output_data version]: New constructor.
 711         (Fde::add_mapping): Only add merge mapping if there is an object.
 712         (class Cie): Update declarations.
 713         (class Eh_frame): Declare add_ehframe_for_plt.
 714         * layout.cc (Layout::layout_eh_frame): Break out code into
 715         make_eh_frame_section, and call it.
 716         (Layout::make_eh_frame_section): New function.
 717         (Layout::add_eh_frame_for_plt): New function.
 718         * layout.h (class Layout): Update declarations.
 719         * merge.cc (Merge_map::add_mapping): Add assertion.
 720         * i386.cc: Include "dwarf.h".
 721         (class Output_data_plt_i386): Make first_plt_entry,
 722         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 723         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 724         and plt_eh_frame_fde.
 725         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 726         boundary.  Call add_eh_frame_for_plt if appropriate.
 727         * x86_64.cc: Include "dwarf.h".
 728         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 729         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 730         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 731         and plt_eh_frame_fde.
 732         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 733         appropriate.
 734
 735 2011-06-29  Ian Lance Taylor  <iant@google.com>
 736
 737         PR gold/12629
 738         * object.cc (Sized_relobj_file::layout_section): Change shdr
 739         parameter to be const.
 740         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 741         out of do_layout.
 742         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 743         appropriate.  Call layout_eh_frame_section.
 744         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 745         sections.
 746         * object.h (class Sized_relobj_file): Update declarations.
 747
 748 2011-06-29  Ian Lance Taylor  <iant@google.com>
 749
 750         PR gold/12652
 751         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 752         modifier.
 753         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 754
 755 2011-06-29  Ian Lance Taylor  <iant@google.com>
 756
 757         PR gold/12675
 758         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 759         SHT_X86_64_UNWIND.
 760         * layout.cc (Layout::layout_eh_frame): Likewise.
 761
 762 2011-06-29  Ian Lance Taylor  <iant@google.com>
 763
 764         PR gold/12695
 765         * layout.cc (Layout::symtab_section_shndx): New function.
 766         * layout.h (class Layout): Declare symtab_section_shndx.
 767         * output.cc (Output_section::write_header): Call it.
 768
 769 2011-06-29  Ian Lance Taylor  <iant@google.com>
 770
 771         PR gold/12818
 772         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 773         symbols which are not used in a relocation.
 774
 775 2011-06-28  Ian Lance Taylor  <iant@google.com>
 776
 777         PR gold/12898
 778         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 779         script create indistinguishable segments.
 780         (Layout::set_segment_offsets): Use stable_sort when sorting
 781         segments.  Pass this to Compare_segments constructor.
 782         * layout.h (class Layout): Make segment_precedes non-static.
 783         (class Compare_segments): Change from struct to class.  Add
 784         layout_ field.  Add constructor.
 785         * script-sections.cc
 786         (Script_sections::attach_sections_using_phdrs_clause): Rename
 787         local orphan to is_orphan.  Don't report failure to put empty
 788         section in segment.  On attachment failure, report name of
 789         section, and attach to first PT_LOAD segment.
 790
 791 2011-06-28  Ian Lance Taylor  <iant@google.com>
 792
 793         PR gold/12934
 794         * target-select.cc (Target_selector::Target_selector): Add
 795         emulation parameter.  Change all callers.
 796         (select_target_by_bfd_name): Rename from select_target_by_name.
 797         Change all callers.
 798         (select_target_by_emulation): New function.
 799         (supported_emulation_names): New function.
 800         * target-select.h (class Target_selector): Add emulation_ field.
 801         Update declarations.
 802         (Target_selector::recognize_by_bfd_name): Rename from
 803         recognize_by_name.  Change all callers.
 804         (Target_selector::supported_bfd_names): Rename from
 805         supported_names.  Change all callers.
 806         (Target_selector::recognize_by_emulation): New function.
 807         (Target_selector::supported_emulations): New function.
 808         (Target_selector::emulation): New function.
 809         (Target_selector::do_recognize_by_bfd_name): Rename from
 810         do_recognize_by_name.  Change all callers.
 811         (Target_selector::do_supported_bfd_names): Rename from
 812         do_supported_names.  Change all callers.
 813         (Target_selector::do_recognize_by_emulation): New function.
 814         (Target_selector::do_supported_emulations): New function.
 815         (select_target_by_bfd_name): Change name in declaration.
 816         (select_target_by_emulation): Declare.
 817         (supported_emulation_names): Declare.
 818         * parameters.cc (parameters_force_valid_target): Try to find
 819         target based on emulation from -m option.
 820         * options.h (class General_options): Change doc string for -m.
 821         * options.cc (help): Print emulations.
 822         (General_options::parse_V): Likewise.
 823         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 824         Add emulation parameter.  Change all callers.
 825
 826 2011-06-28  Ian Lance Taylor  <iant@google.com>
 827
 828         * target.h (class Target): Add osabi_ field.
 829         (Target::osabi): New function.
 830         (Target::set_osabi): New function.
 831         (Target::Target): Initialize osabi_.
 832         (Target::do_adjust_elf_header): Make pure virtual.
 833         (Sized_target::do_adjust_elf_header): Declare.
 834         * target.cc (Sized_target::do_adjust_elf_header): New function.
 835         (class Sized_target): Instantiate all versions.
 836         * freebsd.h (class Target_freebsd): Remove.
 837         (Target_selector_freebsd::do_recognize): Call set_osabi on
 838         Target.
 839         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 840         (Target_selector_freebsd::set_osabi): Remove.
 841         * i386.cc (class Target_i386): Inherit from Sized_target rather
 842         than Target_freebsd.
 843         * x86_64.cc (class Target_x86_64): Likewise.
 844
 845 2011-06-28  Ian Lance Taylor  <iant@google.com>
 846
 847         * target.h (Target::can_check_for_function_pointers): Rewrite.
 848         Make non-virtual.
 849         (Target::can_icf_inline_merge_sections): Likewise.
 850         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 851         (Target::Target_info): Add can_icf_inline_merge_sections field.
 852         (Target::do_can_check_for_function_pointers): New virtual
 853         function.
 854         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 855         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 856         from can_check_for_function_pointers, move in file.
 857         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 858         section_may_have_icf_unsafe_poineters, move in file.
 859         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 860         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 861         Rename from can_check_for_function_pointers, move in file.
 862         (Target_i386::can_icf_inline_merge_sections): Remove.
 863         (Target_i386::i386_info): Initialize
 864         can_icf_inline_merge_sections.
 865         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 866         Initialize can_icf_inline_merge_sections.
 867         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 868         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 869         Rename from can_check_for_function_pointers, move in file.
 870         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 871         (Target_x86_64::x86_64_info): Initialize
 872         can_icf_inline_merge_sections.
 873         * testsuite/testfile.cc (Target_test::test_target_info):
 874         Likewise.
 875         * icf.cc (get_section_contents): Correct formatting.
 876
 877 2011-06-27  Ian Lance Taylor  <iant@google.com>
 878
 879         * symtab.cc (Symbol::versioned_name): New function.
 880         (Symbol_table::add_to_final_symtab): Use versioned_name when
 881         appropriate.
 882         (Symbol_table::sized_write_symbol): Likewise.
 883         * symtab.h (class Symbol): Declare versioned_name.
 884         * stringpool.h (class Stringpool_template): Add variant of add
 885         which takes a std::basic_string.
 886         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 887         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 888         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 889         (ver_test_12.o): New target.
 890         * testsuite/Makefile.in: Rebuild.
 891
 892 2011-06-27  Doug Kwan  <dougkwan@google.com>
 893
 894         * arm.cc (Arm_relocate_functions::thm_jump8,
 895         Arm_relocate_functions::thm_jump11): Use a wider signed
 896         type to compute offset.
 897         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 898         arm_thm_jump8.
 899         * testsuite/Makefile.in: Regenerate.
 900         * testsuite/arm_branch_in_range.sh: Check test results of
 901         arm_thm_jump11 and arm_thm_jump8.
 902         * testsuite/arm_thm_jump11.s: New test source file.
 903         * testsuite/arm_thm_jump11.t: New linker script.
 904         * testsuite/arm_thm_jump8.s: New test source file.
 905         * testsuite/arm_thm_jump8.t: New linker script.
 906
 907 2011-06-24  Ian Lance Taylor  <iant@google.com>
 908
 909         * layout.cc: Include "object.h".
 910         (ctors_sections_in_init_array): New static variable.
 911         (Layout::is_ctors_in_init_array): New function.
 912         (Layout::layout): Add entry to ctors_sections_in_init_array if
 913         appropriate.
 914         * layout.h (class Layout): Declare is_ctors_in_init_array.
 915         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 916         is_ctors_reverse_view is set.
 917         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 918         all callers.  Set is_ctors_reverse_view field of View_size.
 919         (Sized_relobj_file::reverse_words): New function.
 920         * object.h (Sized_relobj_file::View_size): Add
 921         is_ctors_reverse_view field.
 922         (class Sized_relobj_file): Update declarations.
 923         * testsuite/initpri3.c: New test.
 924         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 925         initpri3b.
 926         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 927         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 928         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 929         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 930         * testsuite/Makefile.in: Rebuild.
 931
 932 2011-06-24  Cary Coutant  <ccoutant@google.com>
 933
 934         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 935         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 936         (debug_msg_cdebug.err): New targets.
 937         * testsuite/Makefile.in: Regenerate.
 938         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 939         Fix checks for link with shared library.
 940
 941 2011-06-24  Doug Kwan  <dougkwan@google.com>
 942
 943         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 944         skip empty text sections.
 945         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 946
 947 2011-06-22  Ian Lance Taylor  <iant@google.com>
 948
 949         PR gold/12910
 950         * options.h (class General_options): Add --ctors-in-init-array.
 951         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 952         friends as SHT_PROGBITS for merging sections.
 953         (Layout::layout): Remove special handling of .init_array and
 954         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 955         and .dtors if ctors_in_init_array.
 956         (Layout::make_output_section): Force correct section types for
 957         .init_array and friends.  Don't sort if doing relocatable link,
 958         Don't sort .ctors and .dtors if ctors_in_init_array.
 959         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 960         (Layout::output_section_name): Add relobj parameter.  Change all
 961         callers.  Handle .ctors. and .dtors. in code rather than table.
 962         Handle .ctors and .dtors if ctors_in_init_array.
 963         (Layout::match_file_name): New function, moved from output.cc.
 964         * layout.h (class Layout): Update declarations.
 965         * output.cc: Include "layout.h".
 966         (Input_section_sort_entry::get_priority): New function.
 967         (Input_section_sort_entry::match_file_name): Just call
 968         Layout::match_file_name.
 969         (Output_section::Input_section_sort_init_fini_compare::operator()):
 970         Handle .ctors and .dtors.  Sort by explicit priority rather than
 971         by name.
 972         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 973         * testsuite/initpri2.c: New test.
 974         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 975         (check_PROGRAMS): Add initpri2.
 976         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 977         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 978         * configure, testsuite/Makefile.in: Rebuild.
 979
 980 2011-06-19  Ian Lance Taylor  <iant@google.com>
 981
 982         PR gold/12880
 983         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 984         .interp section to a PT_INTERP segment even if we have seen a
 985         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 986         clause in a linker script.
 987         (Layout::finalize): Don't create a .interp section if we've
 988         already create a PT_INTERP segment.
 989         (Layout::create_interp): Always call choose_output_section (revert
 990         patch of 2011-06-17).  Don't create PT_INTERP segment.
 991         * script-sections.cc
 992         (Script_sections::create_note_and_tls_segments): Add a .interp
 993         section to a PT_INTERP segment even if we have seen a
 994         --dynamic-linker option.
 995
 996 2011-06-18  Ian Lance Taylor  <iant@google.com>
 997
 998         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 999         merely because a non-PT_LOAD segment has a dynamic reloc.
1000
1001 2011-06-18  Ian Lance Taylor  <iant@google.com>
1002
1003         * layout.cc (Layout::finish_dynamic_section): Don't create
1004         DT_FLAGS entry if not needed.
1005
1006 2011-06-18  Ian Lance Taylor  <iant@google.com>
1007
1008         PR gold/12745
1009         * layout.cc (Layout::layout_eh_frame): Correct handling of
1010         writable .eh_frame section.
1011
1012 2011-06-17  Ian Lance Taylor  <iant@google.com>
1013
1014         PR gold/12893
1015         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1016         symbol is redefined with the exact same object and value.
1017
1018 2011-06-17  Ian Lance Taylor  <iant@google.com>
1019
1020         PR gold/12880
1021         * layout.h (class Layout): Add interp_segment_ field.
1022         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1023         (Layout::attach_allocated_section_to_segment): If making shared
1024         library, put .interp section in PT_INTERP segment.
1025         (Layout::finalize): Also call create_interp if -dynamic-linker
1026         option was used.
1027         (Layout::create_interp): Assert that there is no PT_INTERP
1028         segment.  If not using a SECTIONS clause, use make_output_section.
1029         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1030         * script-sections.cc
1031         (Script_sections::create_note_and_tls_segments): If making shared
1032         library, put .interp section in PT_INTERP segment.
1033
1034 2011-06-17  Ian Lance Taylor  <iant@google.com>
1035
1036         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1037         when making a shared library.
1038
1039 2011-06-17  Ian Lance Taylor  <iant@google.com>
1040
1041         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1042         parameter.  Change all callers.  Don't issue warning about PC32
1043         against locally defined symbol.
1044
1045 2011-06-16  Ian Lance Taylor  <iant@google.com>
1046
1047         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1048         occurs in same object.
1049
1050 2011-06-14  Alan Modra  <amodra@gmail.com>
1051
1052         * po/POTFILES.in: Regenerate.
1053
1054 2011-06-09  Ian Lance Taylor  <iant@google.com>
1055
1056         * script-sections.cc
1057         (Orphan_output_section::set_section_addresses): For a relocatable
1058         link set address to 0.
1059
1060 2011-06-09  Cary Coutant  <ccoutant@google.com>
1061
1062         PR gold/12804
1063         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1064         used with --compress-debug-sections.
1065         * gold/object.cc (Sized_relobj_file::do_layout): Report
1066         uncompressed size of compressed input sections.
1067
1068 2011-06-08  Cary Coutant  <ccoutant@google.com>
1069
1070         PR gold/12804
1071         * testsuite/two_file_test_2_v1.cc: Change initialization of
1072         v2 to keep it in .data.
1073
1074 2011-06-07  Cary Coutant  <ccoutant@google.com>
1075
1076         * common.cc (Symbol_table::do_allocate_commons_list): Call
1077         gold_fallback.
1078         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1079         (Errors::fallback): New function.
1080         (gold_fallback): New function.
1081         * errors.h (Errors::fallback): New function.
1082         * gold.cc (gold_exit): Change status parameter to enum; adjust
1083         all callers.
1084         (queue_initial_tasks): Call gold_fallback.
1085         * gold.h: Include cstdlib.
1086         (Exit_status): New enum type.
1087         (gold_exit): Change status parameter to enum.
1088         (gold_fallback): New function.
1089         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1090         (Layout::create_symtab_sections): Likewise.
1091         (Layout::create_shdrs): Likewise.
1092         * main.cc (main): Adjust call to gold_exit.
1093         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1094         (Output_data_got::add_got_entry_pair): Likewise.
1095         (Output_section::add_input_section): Likewise.
1096         (Output_section::add_output_section_data): Likewise.
1097         (Output_segment::set_section_list_addresses): Likewise.
1098         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1099
1100 2011-06-07  Cary Coutant  <ccoutant@google.com>
1101
1102         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1103         for incremental links.
1104         * output.cc (Output_segment::set_section_list_addresses): Remove
1105         FIXME and test for TLS or BSS.
1106
1107 2011-06-07  Cary Coutant  <ccoutant@google.com>
1108
1109         * testsuite/Makefile.am: Add incremental_copy_test,
1110         incremental_common_test_1.
1111         * testsuite/Makefile.in: Regenerate.
1112         * testsuite/common_test_1_v1.c: New source file.
1113         * testsuite/common_test_1_v2.c: New source file.
1114         * testsuite/copy_test_v1.cc: New source file.
1115
1116 2011-06-07  Cary Coutant  <ccoutant@google.com>
1117
1118         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1119         update, allocate common from bss section's free list.
1120         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1121         linker-defined symbols.
1122         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1123         Skip GOT and PLT entries that are no longer referenced.
1124         (Output_section_incremental_inputs::write_info_blocks): Mark
1125         linker-defined symbols.
1126         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1127         * output.cc (Output_section::allocate): New function.
1128         * output.h (Output_section::allocate): New function.
1129         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1130         linker-defined symbols.
1131         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1132         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1133         (Symbol::init_base_output_data): Likewise.
1134         (Symbol::init_base_output_segment): Likewise.
1135         (Symbol::init_base_constant): Likewise.
1136         (Sized_symbol::init_output_data): Likewise.
1137         (Sized_symbol::init_output_segment): Likewise.
1138         (Sized_symbol::init_constant): Likewise.
1139         (Symbol_table::do_define_in_output_data): Likewise.
1140         (Symbol_table::do_define_in_output_segment): Likewise.
1141         (Symbol_table::do_define_as_constant): Likewise.
1142         * symtab.h (Symbol::is_predefined): New function.
1143         (Symbol::init_base_output_data): Add is_predefined parameter.
1144         (Symbol::init_base_output_segment): Likewise.
1145         (Symbol::init_base_constant): Likewise.
1146         (Symbol::is_predefined_): New data member.
1147         (Sized_symbol::init_output_data): Add is_predefined parameter.
1148         (Sized_symbol::init_output_segment): Likewise.
1149         (Sized_symbol::init_constant): Likewise.
1150         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1151
1152 2011-06-07  Cary Coutant  <ccoutant@google.com>
1153
1154         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1155         instead of emit_copy_reloc.
1156         (Copy_relocs::emit_copy_reloc): Refactor.
1157         (Copy_relocs::make_copy_reloc): New function.
1158         (Copy_relocs::add_copy_reloc): Remove.
1159         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1160         section.
1161         (Copy_relocs::make_copy_reloc): New function.
1162         (Copy_relocs::add_copy_reloc): Remove.
1163         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1164         unchanged input files.
1165         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1166         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1167         Reserve BSS space for COPY relocations.
1168         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1169         (Output_section_incremental_inputs::write_info_blocks): Record
1170         whether a symbol is copied from a shared object.
1171         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1172         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1173         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1174         (Incremental_input_entry_reader::get_output_symbol_index): Add
1175         is_copy parameter.
1176         (Incremental_binary::emit_copy_relocs): New function.
1177         (Incremental_binary::do_emit_copy_relocs): New function.
1178         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1179         new data member.
1180         (Sized_incremental_binary::add_copy_reloc): New function.
1181         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1182         (Sized_incremental_binary::Copy_reloc): New struct.
1183         (Sized_incremental_binary::Copy_relocs): New typedef.
1184         (Sized_incremental_binary::copy_relocs_): New data member.
1185         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1186         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1187         * target.h (Sized_target::emit_copy_reloc): New function.
1188         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1189
1190 2011-06-02  Cary Coutant  <ccoutant@google.com>
1191
1192         PR gold/12163
1193         * gold/archive.cc (Archive::Archive): Initialize new data member.
1194         (Archive::include_all_members): Return if archive has already been
1195         included.
1196         * gold/archive.h (Archive::include_all_members_): New data member.
1197
1198 2011-06-02  Nick Clifton  <nickc@redhat.com>
1199
1200         * dynobj.h: Fix spelling mistake in comment.
1201         * output.cc: Likewise.
1202
1203 2011-05-31  Doug Kwan  <dougkwan@google.com>
1204             Asier Llano
1205
1206         PR gold/12826
1207         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1208         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1209         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1210         redundant arm_exidx_test.so.
1211         * testsuite/Makefile.in: Regenerate.
1212         (check_SCRIPTS): Add pr12826.sh
1213         (check_DATA): Add pr12826.stdout
1214         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1215         * testsuite/pr12826.sh: New file.
1216         * testsuite/pr12826_1.s: Ditto.
1217         * testsuite/pr12826_1.s: Ditto.
1218
1219 2011-05-30  Ian Lance Taylor  <iant@google.com>
1220
1221         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1222         sections.
1223
1224 2011-05-29  Ian Lance Taylor  <iant@google.com>
1225
1226         PR gold/12804
1227         * testsuite/Makefile.am: Use different file name for two_file_test
1228         temporary file for each incremental test.
1229         * testsuite/Makefile.in: Rebuild.
1230
1231 2011-05-29  Ian Lance Taylor  <iant@google.com>
1232
1233         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1234         binary input file is empty.
1235
1236 2011-05-27  Ian Lance Taylor  <iant@google.com>
1237
1238         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1239         (ver_test_9.so): Likewise.
1240         * testsuite/Makefile.in: Rebuild.
1241
1242 2011-05-26 Cary Coutant  <ccoutant@google.com>
1243
1244         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1245         * incremental.cc (Incremental_inputs::report_input_section): Fix
1246         comment, indentation.
1247         (Incremental_inputs::report_comdat_group): New function.
1248         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1249         of data for incremental input file entry.
1250         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1251         group count, COMDAT group signatures.
1252         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1253         an unchanged input file.
1254         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1255         Initialize new data member.
1256         (Incremental_object_entry::add_comdat_group): New function.
1257         (Incremental_object_entry::get_comdat_group_count): New function.
1258         (Incremental_object_entry::get_comdat_signature_key): New function.
1259         (Incremental_object_entry::groups_): New data member.
1260         (Incremental_inputs::report_comdat_group): New function.
1261         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1262         data for incremental input file entry.
1263         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1264         (Incremental_input_entry_reader::get_input_section): Adjust size of
1265         data for incremental input file entry.
1266         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1267         (Incremental_input_entry_reader::get_comdat_group_signature): New
1268         function.
1269         * object.cc (Sized_relobj::include_section_group): Report kept
1270         COMDAT groups for incremental links.
1271
1272 2011-05-24  David Meyer  <pdox@google.com>
1273
1274         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1275         with name parameter.  Add found_name parameter.
1276         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1277         * dirsearch.h (class Dirsearch): Update declaration.
1278
1279 2011-05-24  Ian Lance Taylor  <iant@google.com>
1280
1281         * archive.cc (Library_base::should_include_member): Pull in object
1282         from archive if it defines the entry symbol.
1283         * parameters.cc (Parameters::entry): New function.
1284         * parameters.h (class Parameters): Declare entry.
1285         * output.h (class Output_file_header): Remove entry_ field.
1286         * output.cc (Output_file_header::Output_file_header): Remove entry
1287         parameter.  Change all callers.
1288         (Output_file_header::entry): Use parameters->entry.
1289         * gold.cc (queue_middle_tasks): Likewise.
1290         * plugin.cc (Plugin_hook::run): Likewise.
1291
1292 2011-05-24 Cary Coutant  <ccoutant@google.com>
1293
1294         * gold.cc (queue_initial_tasks): Pass incremental base filename
1295         to Output_file::open_base_file; don't print error message.
1296         * incremental-dump.cc (main): Adjust call to
1297         Output_file::open_for_modification.
1298         * incremental-dump.cc (main): Likewise.
1299         * incremental.cc (Incremental_inputs::report_command_line):
1300         Ignore --incremental-base option when comparing command lines.
1301         Ignore parameter when given as separate argument.
1302         * options.h (class General_options): Add --incremental-base.
1303         * output.cc (Output_file::Output_file):
1304         (Output_file::open_base_file): Add base_name and writable parameters;
1305         read base file into new file; print error message here.
1306         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1307         callers.
1308         * output.h (Output_file::open_for_modification): Rename to...
1309         (Output_file::open_base_file): ...this; add base_name and
1310         writable parameters; adjust all callers.
1311         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1312         callers.
1313         * testsuite/Makefile.am (incremental_test_4): Test
1314         --incremental-base.
1315         * testsuite/Makefile.in: Regenerate.
1316
1317 2011-05-24 Cary Coutant  <ccoutant@google.com>
1318
1319         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1320         incremental_test_4.
1321         * testsuite/Makefile.in: Regenerate.
1322         * testsuite/two_file_test_1_v1.cc: New test source file.
1323         * testsuite/two_file_test_1b_v1.cc: New test source file.
1324         * testsuite/two_file_test_2_v1.cc: New test source file.
1325
1326 2011-05-24 Cary Coutant  <ccoutant@google.com>
1327
1328         * dynobj.h (Dynobj::do_dynobj): New function.
1329         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1330         flag and soname for shared objects.
1331         * incremental.cc (Incremental_inputs::report_object): Make
1332         either Incremental_object_entry or Incremental_dynobj_entry; add
1333         soname to string table.
1334         (Incremental_inputs::report_input_section): Add assertion.
1335         (Output_section_incremental_inputs::set_final_data_size): Adjust
1336         type of input file entry for shared libraries; adjust size of
1337         shared library info entry.
1338         (Output_section_incremental_inputs::write_input_files): Write
1339         as_needed flag for shared libraries.
1340         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1341         of input file entry for shared libraries; write soname.
1342         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1343         soname from incremental info.
1344         * incremental.h (enum Incremental_input_flags): Add
1345         INCREMENTAL_INPUT_AS_NEEDED.
1346         (Incremental_input_entry::Incremental_input_entry): Initialize new
1347         data member.
1348         (Incremental_input_entry::set_as_needed): New function.
1349         (Incremental_input_entry::as_needed): New function.
1350         (Incremental_input_entry::do_dynobj_entry): New function.
1351         (Incremental_input_entry::as_needed_): New data member.
1352         (Incremental_object_entry::Incremental_object_entry): Don't check
1353         for shared library.
1354         (Incremental_object_entry::do_type): Likewise.
1355         (class Incremental_dynobj_entry): New class.
1356         (Incremental_input_entry_reader::as_needed): New function.
1357         (Incremental_input_entry_reader::get_soname): New function.
1358         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1359         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1360         size of shared library info entry.
1361         * layout.cc (Layout::finish_dynamic_section): Don't test for
1362         incremental link when adding DT_NEEDED entries.
1363         * object.h (Object::Object): Initialize new data member.
1364         (Object::dynobj): New function.
1365         (Object::set_as_needed): New function.
1366         (Object::as_needed): New function.
1367         (Object::do_dynobj): New function.
1368         (Object::as_needed_): New data member.
1369
1370 2011-05-24 Cary Coutant  <ccoutant@google.com>
1371
1372         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1373         info; adjust display of GOT entries.
1374         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1375         vector of input objects; remove file_status_.
1376         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1377         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1378         got_plt reader; call target hooks to reserve GOT entries.
1379         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1380         of input file info header and GOT info entry.
1381         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1382         relocation info.
1383         (Got_plt_view_info::got_descriptor): Remove.
1384         (Got_plt_view_info::sym_index): New data member.
1385         (Got_plt_view_info::input_index): New data member.
1386         (Local_got_offset_visitor::visit): Write input file index.
1387         (Global_got_offset_visitor::visit): Write 0 for input file index.
1388         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1389         with sym_index and input_index.
1390         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1391         incremental info GOT entry; replace got_descriptor with input_index.
1392         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1393         map from input file index to object.
1394         (Sized_relobj_incr::do_layout): Replace direct data member reference
1395         with accessor function.
1396         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1397         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1398         Adjust size of input file info header.
1399         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1400         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1401         (Incremental_input_entry_reader::get_input_section): Adjust size of
1402         input file info header.
1403         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1404         of incremental info GOT entry.
1405         (Incremental_got_plt_reader::get_got_desc): Remove.
1406         (Incremental_got_plt_reader::get_got_symndx): New function.
1407         (Incremental_got_plt_reader::get_got_input_index): New function.
1408         (Sized_incremental_binary::Sized_incremental_binary): Remove
1409         file_status_; add input_objects_.
1410         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1411         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1412         (Sized_incremental_binary::file_is_unchanged): Remove.
1413         (Sized_incremental_binary::set_input_object): New function.
1414         (Sized_incremental_binary::input_object): New function.
1415         (Sized_incremental_binary::file_status_): Remove.
1416         (Sized_incremental_binary::input_objects_): New data member.
1417         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1418         references.
1419         (Sized_relobj_incr::invalid_address): Move to base class.
1420         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1421         class.
1422         (Sized_relobj_incr::do_output_section_offset): Likewise.
1423         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1424         (Sized_relobj_incr::section_offsets_): Likewise.
1425         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1426         function.
1427         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1428         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1429         with accessor function.
1430         (Sized_relobj_file::do_layout): Likewise.
1431         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1432         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1433         (Sized_relobj_file::compute_final_local_value): Replace refs to
1434         section_offsets_ with accessor function.
1435         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1436         * object.h (Relobj::Relobj): Initialize new data members.
1437         (Relobj::add_dyn_reloc): New function.
1438         (Relobj::first_dyn_reloc): New function.
1439         (Relobj::dyn_reloc_count): New function.
1440         (Relobj::first_dyn_reloc_): New data member.
1441         (Relobj::dyn_reloc_count_): New data member.
1442         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1443         references.
1444         (Sized_relobj::Address): New typedef.
1445         (Sized_relobj::invalid_address): Move here from child class.
1446         (Sized_relobj::Sized_relobj): Initialize new data members.
1447         (Sized_relobj::sized_relobj): New function.
1448         (Sized_relobj::is_output_section_offset_invalid): Move here from
1449         child class.
1450         (Sized_relobj::get_output_section_offset): Likewise.
1451         (Sized_relobj::local_has_got_offset): Likewise.
1452         (Sized_relobj::local_got_offset): Likewise.
1453         (Sized_relobj::set_local_got_offset): Likewise.
1454         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1455         (Sized_relobj::clear_got_offsets): New function.
1456         (Sized_relobj::section_offsets): Move here from child class.
1457         (Sized_relobj::do_output_section_offset): Likewise.
1458         (Sized_relobj::do_set_section_offset): Likewise.
1459         (Sized_relobj::Local_got_offsets): Likewise.
1460         (Sized_relobj::local_got_offsets_): Likewise.
1461         (Sized_relobj::section_offsets_): Likewise.
1462         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1463         references.
1464         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1465         class.
1466         (Sized_relobj_file::sized_relobj): New function
1467         (Sized_relobj_file::local_has_got_offset): Move to base class.
1468         (Sized_relobj_file::local_got_offset): Likewise.
1469         (Sized_relobj_file::set_local_got_offset): Likewise.
1470         (Sized_relobj_file::get_output_section_offset): Likewise.
1471         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1472         (Sized_relobj_file::do_output_section_offset): Likewise.
1473         (Sized_relobj_file::do_set_section_offset): Likewise.
1474         (Sized_relobj_file::Local_got_offsets): Likewise.
1475         (Sized_relobj_file::local_got_offsets_): Likewise.
1476         (Sized_relobj_file::section_offsets_): Likewise.
1477         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1478         (all constructors).
1479         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1480         (Output_reloc::get_symbol_index): Likewise.
1481         (Output_reloc::local_section_offset): Likewise.
1482         (Output_reloc::get_address): Likewise.
1483         (Output_reloc::symbol_value): Likewise.
1484         (Output_data_got::reserve_slot): Move to class definition.
1485         (Output_data_got::reserve_local): New function.
1486         (Output_data_got::reserve_slot_for_global): Remove.
1487         (Output_data_got::reserve_global): New function.
1488         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1489         (all constructors, two instantiations).
1490         (Output_reloc::get_relobj): New function (two instantiations).
1491         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1492         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1493         (Output_data_reloc::add_global): Adjust type of relobj.
1494         (Output_data_reloc::add_global_relative): Likewise.
1495         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1496         (Output_data_reloc::add_local): Likewise.
1497         (Output_data_reloc::add_local_relative): Likewise.
1498         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1499         (Output_data_reloc::add_local_section): Likewise.
1500         (Output_data_reloc::add_output_section): Likewise.
1501         (Output_data_reloc::add_absolute): Likewise.
1502         (Output_data_reloc::add_target_specific): Likewise.
1503         (Output_data_got::reserve_slot): Move definition here.
1504         (Output_data_got::reserve_local): New function.
1505         (Output_data_got::reserve_global): New function.
1506         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1507         section_offsets_ with accessor function.
1508         (Sized_relobj_file::write_sections): Likewise.
1509         (Sized_relobj_file::do_relocate_sections): Likewise.
1510         * target.h (Sized_target::reserve_local_got_entry): New function.
1511         (Sized_target::reserve_global_got_entry): New function.
1512         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1513         (Target_x86_64::reserve_global_got_entry): New function.
1514         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1515
1516 2011-05-23 Cary Coutant  <ccoutant@google.com>
1517
1518         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1519         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1520         bit when checking got_type.
1521         * incremental.cc (Sized_incremental_binary::setup_readers):
1522         Store symbol table and string table locations; initialize bit vector
1523         of file status flags.
1524         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1525         unchanged files.
1526         (Sized_incremental_binary::do_process_got_plt): New function.
1527         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1528         (Output_section_incremental_inputs::set_final_data_size): Record
1529         file index for each input file.
1530         (Output_section_incremental_inputs::write_got_plt): Store file index
1531         instead of input entry offset for each GOT entry.
1532         * incremental.h
1533         (Incremental_input_entry::Incremental_input_entry): Initialize new
1534         data member.
1535         (Incremental_input_entry::set_offset): Store file index.
1536         (Incremental_input_entry::get_file_index): New function.
1537         (Incremental_input_entry::file_index_): New data member.
1538         (Incremental_binary::process_got_plt): New function.
1539         (Incremental_binary::do_process_got_plt): New function.
1540         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1541         data members.
1542         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1543         (Sized_incremental_binary::set_file_is_unchanged): New function.
1544         (Sized_incremental_binary::file_is_unchanged): New function.
1545         (Sized_incremental_binary::do_process_got_plt): New function.
1546         (Sized_incremental_binary::file_status_): New data member.
1547         (Sized_incremental_binary::main_symtab_loc_): New data member.
1548         (Sized_incremental_binary::main_strtab_loc_): New data member.
1549         * output.cc (Output_data_got::Got_entry::write): Add case
1550         RESERVED_CODE.
1551         (Output_data_got::add_global): Call add_got_entry.
1552         (Output_data_got::add_global_plt): Likewise.
1553         (Output_data_got::add_global_with_rel): Likewise.
1554         (Output_data_got::add_global_with_rela): Likewise.
1555         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1556         (Output_data_got::add_global_pair_with_rela): Likewise.
1557         (Output_data_got::add_local): Call add_got_entry.
1558         (Output_data_got::add_local_plt): Likewise.
1559         (Output_data_got::add_local_with_rel): Likewise.
1560         (Output_data_got::add_local_with_rela): Likewise.
1561         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1562         (Output_data_got::add_local_pair_with_rela): Likewise.
1563         (Output_data_got::reserve_slot): New function.
1564         (Output_data_got::reserve_slot_for_global): New function.
1565         (Output_data_got::add_got_entry): New function.
1566         (Output_data_got::add_got_entry_pair): New function.
1567         (Output_section::add_output_section_data): Edit FIXME.
1568         * output.h
1569         (Output_section_data_build::Output_section_data_build): New
1570         constructor with size parameter.
1571         (Output_data_space::Output_data_space): Likewise.
1572         (Output_data_got::Output_data_got): Initialize new data member; new
1573         constructor with size parameter.
1574         (Output_data_got::add_constant): Call add_got_entry.
1575         (Output_data_got::reserve_slot): New function.
1576         (Output_data_got::reserve_slot_for_global): New function.
1577         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1578         (Output_data_got::add_got_entry): New function.
1579         (Output_data_got::add_got_entry_pair): New function.
1580         (Output_data_got::free_list_): New data member.
1581         * target.h (Sized_target::init_got_plt_for_update): New function.
1582         (Sized_target::register_global_plt_entry): New function.
1583         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1584         Initialize new data member; call init; add constructor with PLT count.
1585         (Output_data_plt_x86_64::init): New function.
1586         (Output_data_plt_x86_64::add_relocation): New function.
1587         (Output_data_plt_x86_64::reserve_slot): New function.
1588         (Output_data_plt_x86_64::free_list_): New data member.
1589         (Target_x86_64::init_got_plt_for_update): New function.
1590         (Target_x86_64::register_global_plt_entry): New function.
1591         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1592         incremental updates.
1593         (Output_data_plt_x86_64::add_relocation): New function.
1594         * testsuite/object_unittest.cc (Object_test): Set default options.
1595
1596 2011-05-16  Ian Lance Taylor  <iant@google.com>
1597
1598         * options.h (class General_options): Make -i a synonym for -r.
1599
1600 2011-05-16  Ian Lance Taylor  <iant@google.com>
1601
1602         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1603
1604 2011-05-10 Cary Coutant  <ccoutant@google.com>
1605
1606         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1607         strip_all (-s).
1608
1609 2011-05-06  Ian Lance Taylor  <iant@google.com>
1610
1611         * layout.cc (Layout::layout): If the output section flags change,
1612         update the ordering.
1613
1614 2011-04-25 Cary Coutant  <ccoutant@google.com>
1615
1616         * incremental-dump.cc (dump_incremental_inputs): Print local
1617         symbol info for each input file.
1618         * incremental.cc
1619         (Output_section_incremental_inputs::set_final_data_size): Add local
1620         symbol info to input file entries in incremental info.
1621         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1622         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1623         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1624         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1625         implementation.
1626         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1627         (Sized_incr_relobj::do_relocate): Write the local symbols.
1628         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1629         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1630         Adjust size of input file header.
1631         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1632         (Incremental_inputs_reader::get_local_symbol_count): New function.
1633         (Incremental_inputs_reader::get_input_section): Adjust size of input
1634         file header.
1635         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1636         (Sized_incr_relobj::This): New typedef.
1637         (Sized_incr_relobj::sym_size): New const data member.
1638         (Sized_incr_relobj::Local_symbol): New struct.
1639         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1640         (Sized_incr_relobj::do_local_symbol_offset): New function.
1641         (Sized_incr_relobj::local_symbol_count_): New data member.
1642         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1643         (Sized_incr_relobj::local_symbol_index_): New data member.
1644         (Sized_incr_relobj::local_symbol_offset_): New data member.
1645         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1646         (Sized_incr_relobj::local_symbols_): New data member.
1647         * object.h (Relobj::output_local_symbol_count): New function.
1648         (Relobj::local_symbol_offset): New function.
1649         (Relobj::do_output_local_symbol_count): New function.
1650         (Relobj::do_local_symbol_offset): New function.
1651         (Sized_relobj::do_output_local_symbol_count): New function.
1652         (Sized_relobj::do_local_symbol_offset): New function.
1653
1654 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1655
1656         * descriptors.cc (set_close_on_exec): New function.
1657         (Descriptors::open): Use set_close_on_exec.
1658         * output.cc (S_ISLNK): Define if not defined.
1659
1660 2011-04-22 Cary Coutant  <ccoutant@google.com>
1661
1662         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1663         global symbol map.
1664         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1665         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1666         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1667         relocations.
1668         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1669         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1670         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1671         * incremental.h
1672         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1673         function.
1674         (Incremental_binary::apply_incremental_relocs): New function.
1675         (Incremental_binary::do_apply_incremental_relocs): New function.
1676         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1677         data member.
1678         (Sized_incremental_binary::add_global_symbol): New function.
1679         (Sized_incremental_binary::global_symbol): New function.
1680         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1681         (Sized_incremental_binary::symbol_map_): New data member.
1682         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1683         * target.h (Sized_target::apply_relocation): New function.
1684         * target-reloc.h (apply_relocation): New function.
1685         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1686
1687 2011-04-22  Doug Kwan  <dougkwan@google.com>
1688
1689         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1690         flag of a SHT_ARM_EXIDX section.
1691         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1692         * testsuite/Makefile.in: Regenerate.
1693         * testsuite/arm_exidx_test.s: New file.
1694         * testsuite/arm_exidx_test.sh: Same.
1695
1696 2011-04-20 Cary Coutant  <ccoutant@google.com>
1697
1698         PR gold/12689
1699         * archive.h (Incremental_archive_entry::Archive_member):
1700         Initialize arg_serial_ (second constructor).
1701
1702 2011-04-17  Ian Lance Taylor  <iant@google.com>
1703
1704         * object.cc (Relocate_info::location): Simplify location string.
1705         * errors.cc (Errors::error_at_location): Don't print program
1706         name.
1707         (Errors::warning_at_location): Likewise.
1708         (Errors::undefined_symbol): Likewise.
1709         * testsuite/debug_msg.sh: Update accordingly.
1710
1711 2011-04-14 Cary Coutant  <ccoutant@google.com>
1712
1713         * gold/layout.cc (Layout::symtab_section_offset): New function.
1714         * gold/layout.h (Layout::symtab_section_offset): New function.
1715         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1716
1717 2011-04-12  Ian Lance Taylor  <iant@google.com>
1718
1719         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1720         with MREMAP_MAYMOVE.
1721         * output.h (class Output_file): Add map_is_allocated_ field.
1722         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1723         not available, provide stubs.  If mremap is not available, #define
1724         it to gold_mremap.
1725         (MREMAP_MAYMOVE): Define if not defined.
1726         (Output_file::Output_file): Initialize map_is_allocated_.
1727         (Output_file::resize): Check map_is_allocated_.
1728         (Output_file::map_anonymous): If mmap fails, use malloc.
1729         (Output_file::unmap): Don't do anything for an anonymous map.
1730         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1731         is not available, provide stubs.
1732         (File_read::View::~View): Use free rather than delete[].
1733         (File_read::make_view): Use malloc rather than new[].  If mmap
1734         fails, use malloc.
1735         (File_read::find_or_make_view): Use malloc rather than new[].
1736         * gold.h: Remove HAVE_REMAP code.
1737         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1738         exists.  Rename mremap to gold_mremap.  If mmap is not available
1739         don't do anything.
1740         * configure, config.in: Rebuild.
1741
1742 2011-04-11  Ian Lance Taylor  <iant@google.com>
1743
1744         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1745         initialize local variable v.
1746
1747 2011-04-11  Cary Coutant  <ccoutant@google.com>
1748
1749         * archive.cc (Archive::include_member): Adjust call to
1750         report_object.
1751         (Add_archive_symbols::run): Track argument serial numbers.
1752         (Lib_group::include_member): Likewise.
1753         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1754         * archive.h (Incremental_archive_entry::Archive_member):
1755         Initialize arg_serial_.
1756         (Archive_member::arg_serial_): New data member.
1757         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1758         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1759         incremental link.
1760         (Sized_dynobj::do_for_all_local_got_entries): New function.
1761         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1762         function.
1763         * fileread.cc (get_mtime): New function.
1764         * fileread.h (get_mtime): New function.
1765         * gold.cc (queue_initial_tasks): Check for incremental update.
1766         (process_incremental_input): New function.
1767         (queue_middle_tasks): Don't force valid target for incremental
1768         update.
1769         * incremental-dump.cc (find_input_containing_global): Adjust
1770         size of symbol info entry.
1771         (dump_incremental_inputs): Dump argument serial number and
1772         in_system_directory flag; bias shndx by 1; print symbol names
1773         when dumping per-file symbol lists; use new symbol info readers.
1774         * incremental.cc
1775         (Output_section_incremental_inputs:update_data_size): New function.
1776         (Sized_incremental_binary::setup_readers): Setup input readers
1777         for each input file; build maps for files added from libraries
1778         and scripts.
1779         (Sized_incremental_binary::check_input_args): New function.
1780         (Sized_incremental_binary::do_check_inputs): Build map of argument
1781         serial numbers to input arguments.
1782         (Sized_incremental_binary::do_file_has_changed): Rename
1783         do_file_is_unchanged to this; compare file modification times.
1784         (Sized_incremental_binary::do_init_layout): New function.
1785         (Sized_incremental_binary::do_reserve_layout): New function.
1786         (Sized_incremental_binary::do_get_input_reader): Remove.
1787         (Sized_incremental_binary::get_symtab_view): New function.
1788         (Incremental_checker::can_incrementally_link_output_file): Remove.
1789         (Incremental_inputs::report_command_line): Exclude --debug options.
1790         (Incremental_inputs::report_archive_begin): Add parameter; track
1791         argument serial numbers; don't put input file entry for archive
1792         before archive members.
1793         (Incremental_inputs::report_archive_end): Put input file entry
1794         for archive after archive members.
1795         (Incremental_inputs::report_object): Add parameter; track argument
1796         serial numbers and in_system_directory flag.
1797         (Incremental_inputs::report_script): Add parameter; track argument
1798         serial numbers.
1799         (Output_section_incremental_inputs::set_final_data_size): Adjust
1800         size of symbol info entry; check for forwarding symbols.
1801         (Output_section_incremental_inputs::write_input_files): Write
1802         in_system_directory flag and argument serial number.
1803         (Output_section_incremental_inputs::write_info_blocks): Map section
1804         indices between incremental info and original input file; store
1805         input section index for each symbol.
1806         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1807         change operator() to visit().
1808         (class Global_got_offset_visitor): Likewise.
1809         (class Global_symbol_visitor_got_plt):
1810         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1811         classes.
1812         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1813         (Sized_incr_relobj::do_read_symbols): New function.
1814         (Sized_incr_relobj::do_layout): New function.
1815         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1816         (Sized_incr_relobj::do_add_symbols): New function.
1817         (Sized_incr_relobj::do_should_include_member): New function.
1818         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1819         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1820         (Sized_incr_relobj::do_section_size): New function.
1821         (Sized_incr_relobj::do_section_name): New function.
1822         (Sized_incr_relobj::do_section_contents): New function.
1823         (Sized_incr_relobj::do_section_flags): New function.
1824         (Sized_incr_relobj::do_section_entsize): New function.
1825         (Sized_incr_relobj::do_section_address): New function.
1826         (Sized_incr_relobj::do_section_type): New function.
1827         (Sized_incr_relobj::do_section_link): New function.
1828         (Sized_incr_relobj::do_section_info): New function.
1829         (Sized_incr_relobj::do_section_addralign): New function.
1830         (Sized_incr_relobj::do_initialize_xindex): New function.
1831         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1832         (Sized_incr_relobj::do_read_relocs): New function.
1833         (Sized_incr_relobj::do_gc_process_relocs): New function.
1834         (Sized_incr_relobj::do_scan_relocs): New function.
1835         (Sized_incr_relobj::do_count_local_symbols): New function.
1836         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1837         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1838         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1839         (Sized_incr_relobj::do_relocate): New function.
1840         (Sized_incr_relobj::do_set_section_offset): New function.
1841         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1842         (Sized_incr_dynobj::do_read_symbols): New function.
1843         (Sized_incr_dynobj::do_layout): New function.
1844         (Sized_incr_dynobj::do_add_symbols): New function.
1845         (Sized_incr_dynobj::do_should_include_member): New function.
1846         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1847         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1848         (Sized_incr_dynobj::do_section_size): New function.
1849         (Sized_incr_dynobj::do_section_name): New function.
1850         (Sized_incr_dynobj::do_section_contents): New function.
1851         (Sized_incr_dynobj::do_section_flags): New function.
1852         (Sized_incr_dynobj::do_section_entsize): New function.
1853         (Sized_incr_dynobj::do_section_address): New function.
1854         (Sized_incr_dynobj::do_section_type): New function.
1855         (Sized_incr_dynobj::do_section_link): New function.
1856         (Sized_incr_dynobj::do_section_info): New function.
1857         (Sized_incr_dynobj::do_section_addralign): New function.
1858         (Sized_incr_dynobj::do_initialize_xindex): New function.
1859         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1860         (make_sized_incremental_object): New function.
1861         (Incremental_library::copy_unused_symbols): New function.
1862         (Incremental_library::do_for_all_unused_symbols): New function.
1863         * incremental.h (enum Incremental_input_flags): New type.
1864         (class Incremental_checker): Remove.
1865         (Incremental_input_entry::Incremental_input_entry): Add argument
1866         serial number.
1867         (Incremental_input_entry::arg_serial): New function.
1868         (Incremental_input_entry::set_is_in_system_directory): New function.
1869         (Incremental_input_entry::is_in_system_directory): New function.
1870         (Incremental_input_entry::arg_serial_): New data member.
1871         (Incremental_input_entry::is_in_system_directory_): New data member.
1872         (class Script_info): Move here from script.h.
1873         (Script_info::Script_info): Add filename parameter.
1874         (Script_info::filename): New function.
1875         (Script_info::filename_): New data member.
1876         (Incremental_script_entry::Incremental_script_entry): Add argument
1877         serial number.
1878         (Incremental_object_entry::Incremental_object_entry): Likewise.
1879         (Incremental_object_entry::add_input_section): Build list of input
1880         sections with map to original shndx.
1881         (Incremental_object_entry::get_input_section_index): New function.
1882         (Incremental_object_entry::shndx_): New data member.
1883         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1884         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1885         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1886         serial number.
1887         (Incremental_inputs::report_archive_begin): Likewise.
1888         (Incremental_inputs::report_object): Likewise.
1889         (Incremental_inputs::report_script): Likewise.
1890         (class Incremental_global_symbol_reader): New class.
1891         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1892         and store flags and input file type.
1893         (Incremental_input_entry_reader::arg_serial): New function.
1894         (Incremental_input_entry_reader::type): Extract type from flags.
1895         (Incremental_input_entry_reader::is_in_system_directory): New function.
1896         (Incremental_input_entry_reader::get_input_section_count): Call
1897         accessor function for type.
1898         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1899         function for type; adjust size of global symbol entry.
1900         (Incremental_input_entry_reader::get_global_symbol_count): Call
1901         accessor function for type.
1902         (Incremental_input_entry_reader::get_object_count): Likewise.
1903         (Incremental_input_entry_reader::get_object_offset): Likewise.
1904         (Incremental_input_entry_reader::get_member_count): Likewise.
1905         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1906         (Incremental_input_entry_reader::get_member_offset): Likewise.
1907         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1908         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1909         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1910         (Incremental_input_entry_reader::get_global_symbol_reader): New
1911         function.
1912         (Incremental_input_entry_reader::get_output_symbol_index): New
1913         function.
1914         (Incremental_input_entry_reader::type_): Remove.
1915         (Incremental_input_entry_reader::flags_): New data member.
1916         (Incremental_inputs_reader::input_file_offset): New function.
1917         (Incremental_inputs_reader::input_file_index): New function.
1918         (Incremental_inputs_reader::input_file): Call input_file_offset.
1919         (Incremental_inputs_reader::input_file_at_offset): New function.
1920         (Incremental_relocs_reader::get_r_type): Reformat.
1921         (Incremental_relocs_reader::get_r_shndx): Reformat.
1922         (Incremental_relocs_reader::get_r_offset): Reformat.
1923         (Incremental_relocs_reader::data): New function.
1924         (Incremental_binary::Incremental_binary): Initialize new data members.
1925         (Incremental_binary::check_inputs): Add cmdline parameter.
1926         (Incremental_binary::file_is_unchanged): Remove.
1927         (Input_reader::arg_serial): New function.
1928         (Input_reader::get_unused_symbol_count): New function.
1929         (Input_reader::get_unused_symbol): New function.
1930         (Input_reader::do_arg_serial): New function.
1931         (Input_reader::do_get_unused_symbol_count): New function.
1932         (Input_reader::do_get_unused_symbol): New function.
1933         (Incremental_binary::input_file_count): New function.
1934         (Incremental_binary::get_input_reader): Change signature to use
1935         index instead of filename.
1936         (Incremental_binary::file_has_changed): New function.
1937         (Incremental_binary::get_input_argument): New function.
1938         (Incremental_binary::get_library): New function.
1939         (Incremental_binary::get_script_info): New function.
1940         (Incremental_binary::init_layout): New function.
1941         (Incremental_binary::reserve_layout): New function.
1942         (Incremental_binary::output_file): New function.
1943         (Incremental_binary::do_check_inputs): New function.
1944         (Incremental_binary::do_file_is_unchanged): Remove.
1945         (Incremental_binary::do_file_has_changed): New function.
1946         (Incremental_binary::do_init_layout): New function.
1947         (Incremental_binary::do_reserve_layout): New function.
1948         (Incremental_binary::do_input_file_count): New function.
1949         (Incremental_binary::do_get_input_reader): Change signature.
1950         (Incremental_binary::input_args_map_): New data member.
1951         (Incremental_binary::library_map_): New data member.
1952         (Incremental_binary::script_map_): New data member.
1953         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1954         new data members.
1955         (Sized_incremental_binary::output_section): New function.
1956         (Sized_incremental_binary::inputs_reader): Add const.
1957         (Sized_incremental_binary::symtab_reader): Add const.
1958         (Sized_incremental_binary::relocs_reader): Add const.
1959         (Sized_incremental_binary::got_plt_reader): Add const.
1960         (Sized_incremental_binary::get_symtab_view): New function.
1961         (Sized_incremental_binary::Inputs_reader): New typedef.
1962         (Sized_incremental_binary::Input_entry_reader): New typedef.
1963         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1964         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1965         (Sized_incremental_binary::do_file_has_changed): New function.
1966         (Sized_incremental_binary::do_init_layout): New function.
1967         (Sized_incremental_binary::do_reserve_layout): New function.
1968         (Sized_input_reader::Inputs_reader): Remove.
1969         (Sized_input_reader::Input_entry_reader): Remove.
1970         (Sized_input_reader::do_arg_serial): New function.
1971         (Sized_input_reader::do_get_unused_symbol_count): New function.
1972         (Sized_input_reader::do_get_unused_symbol): New function.
1973         (Sized_incremental_binary::do_input_file_count): New function.
1974         (Sized_incremental_binary::do_get_input_reader): Change signature;
1975         use index instead of filename.
1976         (Sized_incremental_binary::section_map_): New data member.
1977         (Sized_incremental_binary::input_entry_readers_): New data member.
1978         (class Sized_incr_relobj): New class.
1979         (class Sized_incr_dynobj): New class.
1980         (make_sized_incremental_object): New function.
1981         (class Incremental_library): New class.
1982         * layout.cc (Free_list::num_lists): New static data member.
1983         (Free_list::num_nodes): New static data member.
1984         (Free_list::num_removes): New static data member.
1985         (Free_list::num_remove_visits): New static data member.
1986         (Free_list::num_allocates): New static data member.
1987         (Free_list::num_allocate_visits): New static data member.
1988         (Free_list::init): New function.
1989         (Free_list::remove): New function.
1990         (Free_list::allocate): New function.
1991         (Free_list::dump): New function.
1992         (Free_list::print_stats): New function.
1993         (Layout_task_runner::run): Resize output file for incremental updates.
1994         (Layout::Layout): Initialize new data members.
1995         (Layout::set_incremental_base): New function.
1996         (Layout::init_fixed_output_section): New function.
1997         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1998         incremental updates.
1999         (Layout::create_gold_note): Do not create gold note section for
2000         incremental updates.
2001         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2002         for incremental updates.
2003         (Layout::set_section_offsets): For incremental updates, allocate space
2004         from free list.
2005         (Layout::create_symtab_sections): Layout with offsets relative to
2006         start of section; for incremental updates, allocate space from free
2007         list.
2008         (Layout::create_shdrs): For incremental updates, allocate space from
2009         free list.
2010         (Layout::finish_dynamic_section): For incremental updates, do not
2011         check --as-needed (fixed in subsequent patch).
2012         * layout.h (class Free_list): New class.
2013         (Layout::set_incremental_base): New function.
2014         (Layout::incremental_base): New function.
2015         (Layout::init_fixed_output_section): New function.
2016         (Layout::allocate): New function.
2017         (Layout::incremental_base_): New data member.
2018         (Layout::free_list_): New data member.
2019         * main.cc (main): Print Free_list statistics.
2020         * object.cc (Relobj::finalize_incremental_relocs): Add
2021         clear_counts parameter; clear counts only when clear_counts is set.
2022         (Sized_relobj::Sized_relobj): Initialize new base class.
2023         (Sized_relobj::do_layout): Don't report special sections.
2024         (Sized_relobj::do_for_all_local_got_entries): New function.
2025         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2026         symtab_off to all symbol table offsets.
2027         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2028         * object.h (class Got_offset_list): Move to top of file.
2029         (Object::Object): Allow case where input_file == NULL.
2030         (Object::~Object): Likewise.
2031         (Object::input_file): Assert that input_file != NULL.
2032         (Object::lock): Allow case where input_file == NULL.
2033         (Object::unlock): Likewise.
2034         (Object::is_locked): Likewise.
2035         (Object::token): Likewise.
2036         (Object::release): Likewise.
2037         (Object::is_incremental): New function.
2038         (Object::get_mtime): New function.
2039         (Object::for_all_local_got_entries): New function.
2040         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2041         (Object::set_is_in_system_directory): New function.
2042         (Object::is_in_system_directory): New function.
2043         (Object::do_is_incremental): New function.
2044         (Object::do_get_mtime): New function.
2045         (Object::do_for_all_local_got_entries): New function.
2046         (Object::is_in_system_directory_): New data member.
2047         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2048         (class Sized_relobj_base): New class.
2049         (class Sized_relobj): Derive from Sized_relobj_base.
2050         (class Sized_relobj::Symbols): Redeclare from base class.
2051         (class Sized_relobj::local_got_offset_list): Remove.
2052         (class Sized_relobj::Output_sections): Redeclare from base class.
2053         (class Sized_relobj::do_for_all_local_got_entries): New function.
2054         (class Sized_relobj::write_local_symbols): Add offset parameter.
2055         (class Sized_relobj::local_symbol_offset_): Update comment.
2056         (class Sized_relobj::local_dynsym_offset_): Update comment.
2057         * options.cc (Input_arguments::add_file): Remove const.
2058         * options.h (Input_file_argument::Input_file_argument):
2059         Initialize arg_serial_ (all constructors).
2060         (Input_file_argument::set_arg_serial): New function.
2061         (Input_file_argument::arg_serial): New function.
2062         (Input_file_argument::arg_serial_): New data member.
2063         (Input_arguments::Input_arguments): Initialize file_count_.
2064         (Input_arguments::add_file): Remove const.
2065         (Input_arguments::number_of_input_files): New function.
2066         (Input_arguments::file_count_): New data member.
2067         (Command_line::number_of_input_files): Call
2068         Input_arguments::number_of_input_files.
2069         * output.cc (Output_segment_headers::Output_segment_headers):
2070         Set current size.
2071         (Output_section::Input_section::current_data_size): New function.
2072         (Output_section::Output_section): Initialize new data members.
2073         (Output_section::add_input_section): Don't do merge sections for
2074         an incremental link; allocate space from free list for an
2075         incremental update.
2076         (Output_section::add_output_section_data): Allocate space from
2077         free list for an incremental update.
2078         (Output_section::update_data_size): New function.
2079         (Output_section::set_fixed_layout): New function.
2080         (Output_section::reserve): New function.
2081         (Output_segment::set_section_addresses): Remove const.
2082         (Output_segment::set_section_list_addresses): Remove const; allocate
2083         space from free list for an incremental update.
2084         (Output_segment::set_offset): Adjust size of RELRO segment for an
2085         incremental update.
2086         * output.h (Output_data::current_data_size): Move here from
2087         child classes.
2088         (Output_data::pre_finalize_data_size): New function.
2089         (Output_data::update_data_size): New function.
2090         (Output_section_headers::update_data_size): new function.
2091         (Output_section_data_build::current_data_size): Move to Output_data.
2092         (Output_data_strtab::update_data_size): New function.
2093         (Output_section::current_data_size): Move to Output_data.
2094         (Output_section::set_fixed_layout): New function.
2095         (Output_section::has_fixed_layout): New function.
2096         (Output_section::reserve): New function.
2097         (Output_section::update_data_size): New function.
2098         (Output_section::has_fixed_layout_): New data member.
2099         (Output_section::free_list_): New data member.
2100         (Output_segment::set_section_addresses): Remove const.
2101         (Output_segment::set_section_list_addresses): Remove const.
2102         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2103         New function.
2104         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2105         New function.
2106         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2107         parameter when calling Add_symbols constructor; store argument
2108         serial number for members of a lib group.
2109         (Add_symbols::locks): Allow case where token == NULL.
2110         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2111         (Read_member::~Read_member): New function.
2112         (Read_member::is_runnable): New function.
2113         (Read_member::locks): New function.
2114         (Read_member::run): New function.
2115         (Check_script::~Check_script): New function.
2116         (Check_script::is_runnable): New function.
2117         (Check_script::locks): New function.
2118         (Check_script::run): New function.
2119         (Check_library::~Check_library): New function.
2120         (Check_library::is_runnable): New function.
2121         (Check_library::locks): New function.
2122         (Check_library::run): New function.
2123         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2124         (Add_symbols::library_): New data member.
2125         (class Read_member): New class.
2126         (class Check_script): New class.
2127         (class Check_library): New class.
2128         * reloc.cc (Read_relocs::is_runnable): Allow case where
2129         token == NULL.
2130         (Read_relocs::locks): Likewise.
2131         (Scan_relocs::locks): Likewise.
2132         (Relocate_task::locks): Likewise.
2133         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2134         to clear counters.
2135         (Sized_relobj::incremental_relocs_scan): Fix comment.
2136         (Sized_relobj::do_relocate): Pass output file offset to
2137         write_local_symbols.
2138         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2139         from class declaration.
2140         * script.cc (read_input_script): Allocate Script_info; pass
2141         argument serial number to report_script.
2142         * script.h (class Script_info): Move to incremental.h.
2143         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2144         * symtab.h (Symbol_table::add_from_incrobj): New function.
2145         (Symbol_table::set_file_offset): New function.
2146
2147 2011-04-05  Cary Coutant  <ccoutant@google.com>
2148
2149         * incremental-dump.cc (dump_incremental_inputs): Change signature
2150         to take a Sized_incremental_binary; change caller.  Use readers
2151         in Sized_incremental_binary.
2152         * incremental.cc
2153         (Sized_incremental_binary::find_incremental_inputs_sections):
2154         Rename do_find_incremental_inputs_sections to this.
2155         (Sized_incremental_binary::setup_readers): New function.
2156         (Sized_incremental_binary::do_check_inputs): Check
2157         has_incremental_info_ flag; move setup code to setup_readers;
2158         use input readers.
2159         (Sized_incremental_binary::do_file_is_unchanged): New function.
2160         (Sized_incremental_binary::do_get_input_reader): New function.
2161         * incremental.h (class Incremental_binary): Move to end of file.
2162         (Incremental_binary::file_is_unchanged): New function.
2163         (Incremental_binary::do_file_is_unchanged): New function.
2164         (Incremental_binary::Input_reader): New class.
2165         (Incremental_binary::get_input_reader): New function.
2166         (class Sized_incremental_binary): Move to end of file.
2167         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2168         input section reader classes.
2169         (Sized_incremental_binary::has_incremental_info): New function.
2170         (Sized_incremental_binary::inputs_reader): New function.
2171         (Sized_incremental_binary::symtab_reader): New function.
2172         (Sized_incremental_binary::relocs_reader): New function.
2173         (Sized_incremental_binary::got_plt_reader): New function.
2174         (Sized_incremental_binary::do_file_is_unchanged): New function.
2175         (Sized_incremental_binary::Sized_input_reader): New class.
2176         (Sized_incremental_binary::get_input_reader): New function.
2177         (Sized_incremental_binary::find_incremental_inputs_sections):
2178         Rename do_find_incremental_inputs_sections to this.
2179         (Sized_incremental_binary::setup_readers): New function.
2180         (Sized_incremental_binary::has_incremental_info_): New data member.
2181         (Sized_incremental_binary::inputs_reader_): New data member.
2182         (Sized_incremental_binary::symtab_reader_): New data member.
2183         (Sized_incremental_binary::relocs_reader_): New data member.
2184         (Sized_incremental_binary::got_plt_reader_): New data member.
2185         (Sized_incremental_binary::current_input_file_): New data member.
2186
2187 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2188
2189         PR gold/12640
2190         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2191         violation.
2192
2193 2011-03-30  Cary Coutant  <ccoutant@google.com>
2194
2195         * archive.cc (Archive::include_member): Adjust call to report_object.
2196         (Add_archive_symbols::run): Add script_info to call to
2197         report_archive_begin.
2198         (Lib_group::include_member): Adjust call to report_object.
2199         (Add_lib_group_symbols::run): Adjust call to report_object.
2200         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2201         blocks.  Add object count for script input files.
2202         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2203         script_info parameter; change all callers.
2204         (Incremental_inputs::report_object): Add script_info parameter;
2205         change all callers.
2206         (Incremental_inputs::report_script): Store backpointer to
2207         incremental info entry.
2208         (Output_section_incremental_inputs::set_final_data_size): Record
2209         additional information for scripts.
2210         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2211         * incremental.h (Incremental_script_entry::add_object): New function.
2212         (Incremental_script_entry::get_object_count): New function.
2213         (Incremental_script_entry::get_object): New function.
2214         (Incremental_script_entry::objects_): New data member; adjust
2215         constructor.
2216         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2217         (Incremental_inputs::report_object): Add script_info parameter.
2218         (Incremental_inputs_reader::get_object_count): New function.
2219         (Incremental_inputs_reader::get_object_offset): New function.
2220         * options.cc (Input_arguments::add_file): Return reference to
2221         new input argument.
2222         * options.h (Input_argument::set_script_info): New function.
2223         (Input_argument::script_info): New function.
2224         (Input_argument::script_info_): New data member; adjust all
2225         constructors.
2226         (Input_file_group::add_file): Return reference to new input argument.
2227         (Input_file_lib::add_file): Likewise.
2228         (Input_arguments::add_file): Likewise.
2229         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2230         * script.cc (Parser_closure::Parser_closure): Add script_info
2231         parameter; adjust all callers.
2232         (Parser_closure::script_info): New function.
2233         (Parser_closure::script_info_): New data member.
2234         (read_input_script): Report scripts earlier to incremental info.
2235         (script_add_file): Set script_info in Input_argument.
2236         (script_add_library): Likewise.
2237         * script.h (Script_options::Script_info): Rewrite class.
2238
2239 2011-03-29  Cary Coutant  <ccoutant@google.com>
2240
2241         * archive.cc (Library_base::should_include_member): Move
2242         method here from class Archive.
2243         (Archive::Archive): Initialize base class.
2244         (Archive::should_include_member): Move to base class.
2245         (Archive::do_for_all_unused_symbols): New function.
2246         (Add_archive_symbols::run): Remove redundant access to
2247         incremental_inputs.
2248         (Lib_group::Lib_group): Initialize base class.
2249         (Lib_group::do_filename): New function.
2250         (Lib_group::include_member): Pass pointer to Lib_group to
2251         report_object.
2252         (Lib_group::do_for_all_unused_symbols): New function.
2253         (Add_lib_group_symbols::run): Report archive information for
2254         incremental links.
2255         * archive.h (class Library_base): New base class.
2256         (class Archive): Derive from Library_base.
2257         (Archive::filename): Move to base class.
2258         (Archive::set_incremental_info): Likewise.
2259         (Archive::incremental_info): Likewise.
2260         (Archive::Should_include): Likewise.
2261         (Archive::should_include_member): Likewise.
2262         (Archive::Armap_entry): Remove.
2263         (Archive::Unused_symbol_iterator): Remove.
2264         (Archive::unused_symbols_begin): Remove.
2265         (Archive::unused_symbols_end): Remove.
2266         (Archive::do_filename): New function.
2267         (Archive::do_get_mtime): New function.
2268         (Archive::do_for_all_unused_symbols): New function.
2269         (Archive::task_): Move to base class.
2270         (Archive::incremental_info_): Likewise.
2271         (class Lib_group): Derive from Library_base.
2272         (Lib_group::do_filename): New function.
2273         (Lib_group::do_get_mtime): New function.
2274         (Lib_group::do_for_all_unused_symbols): New function.
2275         (Lib_group::task_): Move to base class.
2276         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2277         function.
2278         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2279         function.
2280         * incremental.cc (Incremental_inputs::report_archive_begin):
2281         Use Library_base; call library's get_mtime; add incremental inputs
2282         entry before members.
2283         (class Unused_symbol_visitor): New class.
2284         (Incremental_inputs::report_archive_end): Use Library_base; use
2285         visitor class to record unused symbols; don't add incremental inputs
2286         entry after members.
2287         (Incremental_inputs::report_object): Use Library_base.
2288         * incremental.h
2289         (Incremental_archive_entry::Incremental_archive_entry): Remove
2290         unused Archive parameter.
2291         (Incremental_inputs::report_archive_begin): Use Library_base.
2292         (Incremental_inputs::report_archive_end): Likewise.
2293         (Incremental_inputs::report_object): Likewise.
2294         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2295         function.
2296         * object.h (Object::for_all_global_symbols): New function.
2297         (Object::do_for_all_global_symbols): New function.
2298         (Sized_relobj::do_for_all_global_symbols): New function.
2299         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2300         function.
2301         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2302         function.
2303
2304 2011-03-27  Ian Lance Taylor  <iant@google.com>
2305
2306         * archive.cc (Archive::interpret_header): Return -1 if something
2307         goes wrong.  Change callers accordingly.
2308
2309 2011-03-25  Cary Coutant  <ccoutant@google.com>
2310
2311         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2312         * testsuite/Makefile.in: Regenerate.
2313
2314 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2315
2316         * plugin.cc (get_view): New.
2317         (Plugin::load): Pass get_view to the plugin.
2318         (Plugin_manager::get_view): New.
2319
2320 2011-03-21  Ian Lance Taylor  <iant@google.com>
2321
2322         * testsuite/final_layout.sh: Rewrite to not use dc.
2323         * testsuite/relro_test.sh: Fail if dc is not present.
2324
2325 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2326
2327         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2328         Change == to -eq.
2329         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2330         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2331         Change == to -eq.
2332         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2333         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2334
2335 2011-03-14  Ian Lance Taylor  <iant@google.com>
2336
2337         * script-sections.cc (Sort_output_sections::script_compare):
2338         Rename from is_before, change return type.
2339         (Sort_output_sections::operator()): Adjust accordingly.
2340
2341 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2342
2343         PR gold/12572
2344         * testsuite/odr_violation2.cc: Add comment to make all error line
2345         numbers double digits.
2346         * testsuite/debug_msg.sh: Adjust expected errors.
2347
2348 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2349
2350         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2351         but mark earlier ones as non-canonical
2352         (offset_to_iterator): Update search target and example
2353         (do_addr2line): Return extra lines in a vector*
2354         (format_file_lineno): Extract from do_addr2line
2355         (one_addr2line): Add vector* out-param
2356         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2357         when a lineno entry appeared last for its instruction
2358         (Dwarf_line_info): Add vector* out-param
2359         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2360         * symtab.cc (Odr_violation_compare): Include the lineno in the
2361         comparison again.
2362         (linenos_from_loc): New. Combine the canonical line for an
2363         address with its other lines.
2364         (True_if_intersect): New. Helper functor to make
2365         std::set_intersection a query.
2366         (detect_odr_violations): Compare sets of lines instead of just
2367         one line for each function. This became less deterministic, but
2368         has fewer false positives.
2369         * symtab.h: Declarations.
2370         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2371         mix an optimized and non-optimized object in the same binary
2372         (odr_violation2.so): Same.
2373         * testsuite/Makefile.in: Regenerate from Makefile.am.
2374         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2375         * testsuite/debug_msg.sh: Update line numbers and add
2376         assertions.
2377         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2378         non-optimized context.
2379         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2380         isn't inlined, and use OdrDerived in an optimized context.
2381         * testsuite/odr_header1.h: Defines OdrDerived, where
2382         optimization will change the
2383         first-instruction-in-the-destructor's file and line number.
2384         * testsuite/odr_header2.h: Defines OdrBase.
2385
2386 2011-03-09  Ian Lance Taylor  <iant@google.com>
2387
2388         * fileread.cc (File_read::clear_views): Don't delete the whole
2389         file view.
2390
2391 2011-03-08  Ian Lance Taylor  <iant@google.com>
2392
2393         PR gold/12525
2394         * fileread.cc: #include <climits>.
2395         (GOLD_IOV_MAX): Define.
2396         (File_read::read_multiple): Limit number of entries by iov_max.
2397         * fileread.h (class File_read): Always set max_readv_entries to
2398         128.
2399
2400 2011-03-07  Ian Lance Taylor  <iant@google.com>
2401
2402         PR gold/12525
2403         * options.h (class General_options): Add -dy and -dn.
2404
2405 2011-03-02  Cary Coutant  <ccoutant@google.com>
2406
2407         * testsuite/script_test_9.t: Add TLS segment.
2408
2409 2011-03-02  Simon Baldwin  <simonb@google.com>
2410
2411         * configure.ac: Add check for gnu_indirect_function support in
2412         the toolchain building binutils.
2413         * configure: Rebuild.
2414
2415 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2416
2417         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2418         plugin only symbols.
2419         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2420         in plugin files as not needed in the symbol table.
2421
2422 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2423
2424         * output.cc (Output_section::add_input_section): Delay fill
2425         generation for section ordering.
2426
2427 2011-02-09  Ian Lance Taylor  <iant@google.com>
2428
2429         PR gold/12316
2430         * object.h (class Sized_relobj): Remove clear_local_symbols.
2431         * reloc.cc (Sized_relobj::do_relocate): Don't call
2432         clear_local_symbols.
2433
2434 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2435
2436         * plugin.cc (is_visible_from_outside): Return true for symbols
2437         in the -u option.
2438
2439 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2440
2441         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2442         filename.
2443
2444 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2445
2446         * icf.h (is_section_foldable_candidate): Change type of parameter
2447         to std::string.
2448         * icf.cc (Icf::find_identical_sections): Change type of local variable
2449         section_name to be std::string.
2450         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2451
2452 2011-01-25  Ian Lance Taylor  <iant@google.com>
2453
2454         * script.cc (script_add_extern): Rewrite to use
2455         add_symbol_reference.
2456
2457 2011-01-25  Doug Kwan  <dougkwan@google.com>
2458
2459         * icf.cc (get_section_contents): Always lock section's object.
2460
2461 2011-01-24  Ian Lance Taylor  <iant@google.com>
2462
2463         * options.h (class General_options): Accept
2464         --no-detect-odr-violations.
2465
2466 2011-01-24  Ian Lance Taylor  <iant@google.com>
2467
2468         * version.cc (version_string): Bump to 1.11.
2469
2470 2011-01-24  Ian Lance Taylor  <iant@google.com>
2471
2472         * plugin.cc (class Plugin_rescan): Define new class.
2473         (Plugin_manager::claim_file): Set any_claimed_.
2474         (Plugin_manager::save_archive): New function.
2475         (Plugin_manager::save_input_group): New function.
2476         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2477         necessary.
2478         (Plugin_manager::new_undefined_symbol): New function.
2479         (Plugin_manager::rescan): New function.
2480         (Plugin_manager::rescannable_defines): New function.
2481         (Plugin_manager::add_input_file): Set any_added_.
2482         * plugin.h (class Plugin_manager): define new fields rescannable_,
2483         undefined_symbols_, any_claimed_, and any_added_.  Declare
2484         Plugin_rescan as friend.  Declare new functions.
2485         (Plugin_manager::Rescannable): Define type.
2486         (Plugin_manager::Rescannable_list): Define type.
2487         (Plugin_manager::Undefined_symbol_list): Define type.
2488         (Plugin_manager::Plugin_manager): Initialize new fields.
2489         * archive.cc (Archive::defines_symbol): New function.
2490         (Add_archive_symbols::run): Pass archive to plugins if any.
2491         * archive.h (class Archive): Declare defines_symbol.
2492         * readsyms.cc (Input_group::~Input_group): New function.
2493         (Finish_group::run): Pass input_group to plugins if any.
2494         * readsyms.h (class Input_group): Declare destructor.
2495         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2496         any.
2497
2498 2011-01-10  Ian Lance Taylor  <iant@google.com>
2499
2500         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2501         section as relro.
2502         (Layout::set_segment_offsets): Reset increase_relro before calling
2503         set_section_addresses a second time.
2504
2505 2011-01-04  Cary Coutant  <ccoutant@google.com>
2506
2507         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2508         sections before NOBITS sections.
2509
2510 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2511
2512         * version.cc (print_version): Update copyright to 2011.
2513
2514 2010-12-23  Cary Coutant  <ccoutant@google.com>
2515
2516         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2517         of OS to this->add.  Add OD parameter to second form of the function.
2518
2519 2010-12-20  Ian Lance Taylor  <iant@google.com>
2520
2521         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2522         second of two consecutive entries with same offset.
2523
2524 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2525
2526         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2527         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2528         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2529         to avoid unneeded links against $(LDADD).
2530         * testsuite/Makefile.in: Regenerate.
2531
2532 2010-12-15  Ian Lance Taylor  <iant@google.com>
2533
2534         PR gold/12324
2535         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2536         for R_X86_64_32 and R_X86_64_PC32.
2537         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2538         ver_matching_def_pic.o.
2539         (ver_matching_def_pic.o): New target.
2540
2541 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2542
2543         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2544         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2545         Move definition before File_read::View member definitions.
2546         (File_read::View::~View): Initialize and hold lock before
2547         updating current_mapped_bytes.
2548
2549 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2550
2551         * dwarf_reader.cc: Remove outdated comment.
2552         * gold-threads.cc: Fix typo in error message.
2553         * archive.cc: Fix typos in comments.
2554         * archive.h: Likewise.
2555         * arm-reloc-property.cc: Likewise.
2556         * arm-reloc-property.h: Likewise.
2557         * arm-reloc.def: Likewise.
2558         * arm.cc: Likewise.
2559         * attributes.h: Likewise.
2560         * cref.cc: Likewise.
2561         * ehframe.cc: Likewise.
2562         * fileread.h: Likewise.
2563         * gold.h: Likewise.
2564         * i386.cc: Likewise.
2565         * icf.cc: Likewise.
2566         * incremental.h: Likewise.
2567         * int_encoding.cc: Likewise.
2568         * layout.h: Likewise.
2569         * main.cc: Likewise.
2570         * merge.h: Likewise.
2571         * object.cc: Likewise.
2572         * object.h: Likewise.
2573         * options.cc: Likewise.
2574         * readsyms.cc: Likewise.
2575         * reduced_debug_output.cc: Likewise.
2576         * reloc.cc: Likewise.
2577         * script-sections.cc: Likewise.
2578         * sparc.cc: Likewise.
2579         * symtab.h: Likewise.
2580         * target-reloc.h: Likewise.
2581         * target.cc: Likewise.
2582         * target.h: Likewise.
2583         * timer.cc: Likewise.
2584         * timer.h: Likewise.
2585         * x86_64.cc: Likewise.
2586
2587 2010-12-09  Cary Coutant  <ccoutant@google.com>
2588
2589         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2590         stack.
2591         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2592         parameter; change all callers.
2593         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2594         * options.h (warn_execstack): New option.
2595
2596 2010-12-07  Doug Kwan  <dougkwan@google.com>
2597
2598         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2599         like function call relocations.
2600
2601 2010-12-07  Ian Lance Taylor  <iant@google.com>
2602
2603         * archive.cc (Archive::get_elf_object_for_member): Permit
2604         punconfigured to be NULL.
2605         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2606         (Archive::include_member): Pass NULL to get_elf_object_for_member
2607         if we searched for the archive and this is the first included
2608         object.
2609
2610 2010-12-01  Ian Lance Taylor  <iant@google.com>
2611
2612         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2613         track_relocs_type_ field.
2614         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2615         Set track_relocs_type_.
2616         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2617         contents when using RELA relocs.
2618         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2619         reloc_map_.
2620         * reloc.cc (Track_relocs::next_addend): New function.
2621         * reloc.h (class Track_relocs): Declare next_addend.
2622
2623 2010-12-01  Ian Lance Taylor  <iant@google.com>
2624
2625         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2626         virtual destructor.
2627
2628 2010-12-01  Ian Lance Taylor  <iant@google.com>
2629
2630         * README: Update compilers known to work and fail.
2631
2632 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2633
2634         * configure.in: For --enable-gold, handle value `default' instead of
2635         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2636         not the default.
2637         * configure: Regenerate.
2638
2639 2010-11-18  Doug Kwan  <dougkwan@google.com>
2640
2641         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2642         and right_alignment to be zero.  Store result alignment only if it is
2643         greater than existing alignment.
2644
2645 2010-11-16  Cary Coutant  <ccoutant@google.com>
2646
2647         PR gold/12220
2648         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2649         Check for ".zdebug_line".
2650
2651 2010-11-16  Doug Kwan  <dougkwan@google.com>
2652             Cary Coutant  <ccoutant@google.com>
2653
2654         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2655         by reference; adjust all callers.
2656         * output.cc (Output_segment::set_section_addresses): Adjust references
2657         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2658         list is empty.
2659         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2660         end at page boundary.
2661
2662 2010-11-16  Cary Coutant  <ccoutant@google.com>
2663
2664         PR gold/12220
2665         * layout.cc (Layout::choose_output_section): Transform names of
2666         compressed sections even when using a script with a SECTIONS clause.
2667         (Layout::output_section_name): Remove code to transform
2668         compressed debug section names.
2669         * output.cc (Output_section::add_input_section): Use uncompressed
2670         section size when tracking input sections.
2671
2672 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2673
2674         * symtab.h (Symbol::NON_PIC_REF): Remove.
2675         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2676         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2677         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2678         (Symbol::use_plt_offset): Take a flags argument and pass it
2679         directly to needs_dynamic_reloc.  Restrict check for undefined
2680         weak symbols to function calls.
2681         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2682         (Target_arm::Scan::global): Use it.
2683         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2684         (Target_arm::Relocate::relocate): Likewise.
2685         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2686         parameter with an r_type parameter.  Use get_reference_flags
2687         to get the flags.
2688         (Target_arm::Relocate::relocate): Update accordingly.
2689         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2690         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2691         (Target_i386::Scan::global): Likewise.
2692         (Target_i386::Relocate::relocate): Likewise.
2693         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2694         parameter with an r_type parameter.  Use get_reference_flags
2695         to get the flags.
2696         (Target_i386::Relocate::relocate): Update accordingly.
2697         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2698         (Target_powerpc::Scan::global): Use it.
2699         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2700         (Target_powerpc::Relocate::relocate): Likewise.
2701         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2702         (Target_sparc::Scan::global): Use it.
2703         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2704         (Target_sparc::Relocate::relocate): Likewise.
2705         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2706         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2707         (Target_x86_64::Scan::global): Likewise.
2708         (Target_x86_64::Relocate::relocate): Likewise.
2709
2710 2010-11-08  Doug Kwan  <dougkwan@google.com>
2711             Cary Coutant  <ccoutant@google.com>
2712
2713         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2714         (Arm_exidx_merge_section::section_contents_): New data member.
2715         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2716         (Arm_input_section::~Arm_input_section): De-allocate memory.
2717         (Arm_input_section::original_contents_): New data member.
2718         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2719         in parameters instead of calling Object::section_contents without
2720         locking.
2721         (Arm_output_section::group_section): New parameter TASK.  Pass it
2722         to callees that need locking objects.
2723         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2724         to lock EXIDX input sections.  Fix a formatting issue.  Call
2725         Arm_exidx_merged_section::build_contents to create merged section
2726         contents.
2727         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2728         to lock object of stub table owner.
2729         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2730         TEXT_SIZE to initialize data member TEXT_SIZE_.
2731         (Arm_exidx_input_section::addralign): Fix typo in comment.
2732         (Arm_exidx_input_section::text_size): New method.
2733         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2734         that require locking objects.  Lock objects before scanning for stubs
2735         and updating local symbols.
2736         (Arm_input_section<big_endian>::init): Copy contents of original
2737         input section.
2738         (Arm_input_section<big_endian>::do_write): Use saved contents of
2739         original input section instead of calling Object::section_contents
2740         without locking.
2741         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2742         size without calling Object::section_size().
2743         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2744         for size.  Allocate a buffer for merged EXIDX entries.
2745         (Arm_exidx_merged_section::build_contents): New method.
2746         (Arm_exidx_merged_section::do_write): Move merge section contents
2747         building code to Arm_exidx_merged_section::build_contetns.  Write
2748         out contetns in buffer instead of building it on the fly.
2749         (Arm_relobj::make_exidx_input_section): Also pass text section size
2750         to Arm_exidx_input_section constructor.
2751         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2752         (Arm_dynobj::do_read_symbols): Fix memory leak.
2753         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2754         * target.h: (class Task): Add forward declaration.
2755         (Target::relax): Add new parameter TASK and pass it to
2756         Target::do_relax().
2757         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2758
2759 2010-11-05  Cary Coutant  <ccoutant@google.com>
2760
2761         PR gold/10708
2762         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2763         object when reading from the file.
2764         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2765         second layout pass.
2766         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2767         when reading section contents.
2768         (get_section_contents): Likewise.
2769         (icf::find_identical_sections): Likewise.
2770         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2771         object when reading from the file.
2772         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2773         the object when doing deferred section layout.
2774
2775 2010-11-03  Nick Clifton  <nickc@redhat.com>
2776
2777         PR gold/12001
2778         * script.h (class Symbol_assignment: name): New member.  Returns
2779         the name of the symbol.
2780         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2781         Returns true if the given symbol name is on the list of
2782         assignments wating to be processed.
2783         * archive.cc (should_incldue_member): If the symbol is undefined,
2784         check to see if it is on the list of symbols pending assignment.
2785
2786 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2787
2788         * script-sections.cc (Script_sections::find_memory_region): Check
2789         for a NULL output section pointer.
2790
2791 2010-10-29  Doug Kwan  <dougkwan@google.com>
2792
2793         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2794         Output_section::add_relaxed_input_section.
2795         * output.cc (Output_section::add_relaxed_input_section): Add new
2796         arguments LAYOUT and NAME.  Set section order index.
2797         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2798         Copy section order index.
2799         * output.h (Output_section::add_relaxed_input_section): Add new
2800         arguments LAYOUT and NAME.
2801
2802 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2803
2804         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2805         NATIVE_OR_CROSS_LINKER.
2806         * testsuite/Makefile.in: Regenerate.
2807
2808 2010-10-20  Doug Kwan  <dougkwan@google.com>
2809
2810         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2811         without SHF_LINK_ORDER flags.
2812         * layout.cc (Layout::choose_output_section): Do not filter
2813         SHF_LINK_ORDER flag in a relocatable link.
2814
2815 2010-10-17  Cary Coutant  <ccoutant@google.com>
2816
2817         * output.h (Output_segment::set_section_addresses): Change function
2818         signature.  Update all callers.
2819         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2820         sections.
2821         (Output_segment::set_section_addresses): Align after last TLS
2822         section.  Add padding before last relro section instead of after.
2823
2824 2010-10-17  Doug Kwan  <dougkwan@google.com>
2825
2826         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2827         GOT output section to be writable.
2828
2829 2010-10-14  Cary Coutant  <ccoutant@google.com>
2830
2831         * debug.h (DEBUG_INCREMENTAL): New flag.
2832         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2833         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2834         mode.
2835         * incremental.cc (report_command_line): Ignore all forms of
2836         --incremental.
2837         * layout.cc (Layout::Layout): Check parameters for incremental link
2838         mode.
2839         * options.cc (General_options::parse_incremental): New function.
2840         (General_options::parse_no_incremental): New function.
2841         (General_options::parse_incremental_full): New function.
2842         (General_options::parse_incremental_update): New function.
2843         (General_options::incremental_mode_): New data member.
2844         (General_options::finalize): Check incremental_mode_.
2845         * options.h (General_options): Update help text for --incremental.
2846         Add --no-incremental, --incremental-full, --incremental-update.
2847         (General_options::Incremental_mode): New enum type.
2848         (General_options::incremental_mode): New function.
2849         (General_options::incremental_mode_): New data member.
2850         * parameters.cc (Parameters::incremental_mode_): New data member.
2851         (Parameters::set_options): Set incremental_mode_.
2852         (Parameters::set_incremental_full): New function.
2853         (Parameters::incremental): New function.
2854         (Parameters::incremental_update): New function.
2855         (set_parameters_incremental_full): New function.
2856         * parameters.h (Parameters::set_incremental_full): New function.
2857         (Parameters::incremental): New function.
2858         (Parameters::incremental_update): New function.
2859         (Parameters::incremental_mode_): New data member.
2860         (set_parameters_incremental_full): New function.
2861         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2862         incremental link mode.
2863         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2864         (Sized_relobj::do_relocate_sections): Likewise.
2865         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2866         option.
2867         * testsuite/Makefile.in: Regenerate.
2868         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2869
2870 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2871
2872         * script-sections.h (class Script_sections): Make
2873         Sections_elements typedef public.
2874         * script-sections.cc (class Sort_output_sections): Add elements_
2875         field.  Add constructor which sets it; change all callers.
2876         (Sort_output_sections::is_before): New function.
2877         (Sort_output_sections::operator()): Call is_before.
2878         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2879         conditional.
2880         * testsuite/script_test_10.sh: New test. Test script section
2881         order.
2882         * testsuite/script_test_10.t: Likewise.
2883         * testsuite/script_test_10.s: Likewise.
2884         * testsuite/Makefile.am: Wrap the cross linker tests and the
2885         common tests into NATIVE_OR_CROSS_LINKER.
2886         (check_SCRIPTS): Add script_test_10.sh.
2887         (check_DATA): Add script_test_10.stdout.
2888         (script_test_10.o, script_test_10): New targets.
2889         (script_test_10.stdout): New target.
2890         * configure, testsuite/Makefile.in: Regenerate.
2891
2892 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2893
2894         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2895         error for the deprecated relocations.
2896         (Target_arm::Scan::global): Likewise.
2897         (Target_arm::Relocate::relocate): Likewise.
2898
2899 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2900
2901         * fileread.cc (Input_file::find_file): Initialize *found_name
2902         and *namep when using the fallback search for case 4.
2903
2904 2010-10-11  Cary Coutant  <ccoutant@google.com>
2905
2906         * options.h (class General_options): Redefine -z lazy as an alias for
2907         the negation of -z now.
2908
2909 2010-10-11  Ian Lance Taylor  <iant@google.com>
2910
2911         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2912         binding.
2913
2914 2010-10-06  Nick Clifton  <nickc@redhat.com>
2915
2916         * script-sections.cc(class Memory_region): Remove
2917         current_lma_offset_ field.  Rename current_vma_offset_ to
2918         current_offset_.  Add last_section_ field.
2919         (Memory_region::get_current_vma_address): Rename to
2920         get_current_address.
2921         (Memory_region::get_current_lma_address): Delete.
2922         (Memory_region::increment_vma_offset): Rename to
2923         increment_offset.
2924         (Memory_region::increment_lma_offset): Delete.
2925         (Memory_region::attributes_compatible): New method.  Returns
2926         true if the provided section is compatible with the region.
2927         (Memory_region::get_last_section): New method.  Returns the last
2928         section to use the region.
2929         (Memory_region::set_last_section): New method.  Stores the last
2930         section to use the region.
2931         (Script_sections::block_in_region): New method.  Returns true if
2932         a block of memory is contained within a region.
2933         (Script_sections::find_memory_region): New method.  Locates a
2934         memory region to be used to set a VMA or LMA address.
2935         (Output_section_definition::set_section_addresses): Add code to
2936         check for addresses set by memory regions.
2937         (Output_segment::set_section_addresses): Remove memory region
2938         walking code.
2939         (Script_sections::create_segment): Add a warning if a header
2940         segment is created outside of any region.
2941         * script-sections.h (class Script_sections): Add prototypes for
2942         find_memory_region and block_in_region methods.
2943         * testsuite/memory_test.s: Use .long instead of .word.
2944         * testsuite/memory_test.t: Add some more output sections.
2945         * testsuite/memory_test.sh: Update expected output.
2946
2947 2010-10-02  Doug Kwan  <dougkwan@google.com>
2948
2949         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2950         defintion to symtab.h
2951         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2952         declaration to defintion.
2953
2954 2010-10-01  Nick Clifton  <nickc@redhat.com>
2955
2956         * expression.cc (eval): Replace dummy argument with NULL.
2957         (eval_maybe_dot): Check for a NULL result section pointer.
2958         (Symbol_expression::value): Likewise.
2959         (Dot_expression::value): Likewise.
2960         (BINARY_EXPRESSION): Likewise.
2961         (Max_expression::value): Likewise.
2962         (Min_expression::value): Likewise.
2963         (Absolute_expression::value): Likewise.
2964         (Addr_expression::value_from_output_section): Likewise.
2965         (Loaddddr_expression::value_from_output_section): Likewise.
2966         (Segment_start_expression::value): Likewise.
2967         * script-sections.cc
2968         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2969         argument with NULL.
2970         (Sections_elememt_dot_assignment::set_section_addresses):
2971         Likewise.
2972         (Output_data_expression::do_write_to_buffer): Likewise.
2973         (Output_section_definition::finalize_symbols): Likewise.
2974         (Output_section_definition::set_section_addresses): Likewise.
2975
2976 2010-09-30  Doug Kwan  <dougkwan@google.com>
2977
2978         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2979
2980 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2981
2982         * target.h (Target::can_icf_inline_merge_sections): New virtual
2983         function.
2984         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2985         virtual function.
2986         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2987         virtual function.
2988         * icf.cc (get_section_contents): Inline merge sections only when
2989         target allows it.
2990
2991 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2992
2993         * configure: Regenerate.
2994
2995 2010-09-17  Ian Lance Taylor  <iant@google.com>
2996
2997         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2998         * testsuite/Makefile.am (memory_test.o): New target.
2999         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3000         memory_test.t.
3001         * testsuite/Makefile.in: Rebuild.
3002
3003 2010-09-17  Doug Kwan  <dougkwan@google.com>
3004
3005         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3006         defintion if relocation uses GOT entries of the symbol.
3007         * testsuite/icf_safe_test.sh: Fix test.
3008         * testsuite/icf_safe_so_test.sh: Fix test.
3009
3010 2010-09-16  Cary Coutant  <ccoutant@google.com>
3011
3012         * script_sections.cc (class Memory_region): Remove "NULL" from
3013         vector initializations.
3014
3015 2010-09-15  Cary Coutant  <ccoutant@google.com>
3016
3017         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3018         Resolve forwarding symbols.
3019
3020 2010-09-15  Doug Kwan  <dougkwan@google.com>
3021
3022         * gold/testsuite/script_test_3.t: Add ARM special sections.
3023         * gold/testsuite/script_test_4.t: Same.
3024         * gold/testsuite/script_test_5.t: Same.
3025         * gold/testsuite/script_test_6.t: Same.
3026         * gold/testsuite/script_test_7.t: Same.
3027         * gold/testsuite/script_test_7.t: Same.
3028         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3029
3030 2010-09-14  Cary Coutant  <ccoutant@google.com>
3031
3032         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3033         (Target_x86_64::Relocate::relocate_tls): Replace check for
3034         saw_tls_block_reloc_ with test for executable section.
3035
3036 2010-09-12  Cary Coutant  <ccoutant@google.com>
3037
3038         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3039         position-independent executables to shared libraries need dynamic
3040         relocations.
3041         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3042         position-independent executables.
3043         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3044         * testsuite/Makefile.in: Regenerate.
3045
3046 2010-09-10  Nick Clifton  <nickc@redhat.com>
3047
3048         PR gold/11997
3049         * testsuite/memory_test.t: Discard any sections that are not
3050         needed.
3051
3052 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3053
3054         PR gold/11996
3055         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3056         "This::" to work around a bug in gcc 4.2.
3057
3058         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3059
3060 2010-09-09  Rafael Espindola  <espindola@google.com>
3061
3062         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3063         sections with different PF_X flags in the same segment.
3064         (Layout::find_first_load_seg): Search all segments to find the first
3065         one.
3066         * options.h (rosegment): New.
3067
3068 2010-09-08  Rafael Espindola  <espindola@google.com>
3069
3070         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3071
3072 2010-09-08  Doug Kwan  <dougkwan@google.com>
3073
3074         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3075         (Arm_relobj::do_relocate_sections): Add new parameter for output
3076         file to match the parent.
3077         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3078         of local symbols instead of input values.  Update code to track
3079         changes in gold::relocate_section.
3080         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3081         (Sized_relobj::compute_final_local_value_internal): New methods.
3082         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3083         body into private version of Sized_relobj::compute_final_local_value.
3084         Call the inline method.
3085         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3086         merged symbol value if there is one.
3087         (Symbol_value::has_output_value): New method defintiion.
3088         (Sized_relobj::Compute_final_local_value_status): New enum type.
3089         (Sized_relobj::compute_final_local_value): New methods.
3090         (Sized_relobj::compute_final_local_value_internal): New methods.
3091         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3092         and arm_cortex_a8.sh.
3093         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3094         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3095         New tests.
3096         * Makefile.in: Regenerate.
3097         * testsuite/arm_bl_out_of_range.s: Update test.
3098         * testsuite/thumb_bl_out_of_range.s: Ditto.
3099         * testsuite/thumb_blx_out_of_range.s: Ditto.
3100         * testsuite/arm_branch_out_of_range.sh: New file.
3101         * testsuite/arm_cortex_a8.sh: Ditto.
3102         * testsuite/arm_cortex_a8_b.s: Ditto.
3103         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3104         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3105         * testsuite/arm_cortex_a8_bl.s: Ditto.
3106         * testsuite/arm_cortex_a8_blx.s: Ditto.
3107         * testsuite/arm_cortex_a8_local.s: Ditto.
3108         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3109         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3110
3111 2010-09-08  Rafael Espindola  <espindola@google.com>
3112
3113         * Makefile.am (memory_test.stdout): Run readelf with -W.
3114         * Makefile.in: Regenerate.
3115         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3116         64 bit output.
3117
3118 2010-09-08  Rafael Espindola  <espindola@google.com>
3119
3120         * script-sections.cc (Script_sections::add_memory_region): Convert
3121         field precision to int.
3122         * script.cc (script_set_section_region, script_set_section_region):
3123         Convert field precision to int.
3124
3125 2010-09-08  Rafael Espindola  <espindola@google.com>
3126
3127         * arm.cc (do_finalize_sections): Create the __exidx_start and
3128         __exdix_end symbols even when the section is missing.
3129
3130 2010-09-08  Nick Clifton  <nickc@redhat.com>
3131
3132         * README: Remove claim that MEMORY is not supported.
3133         * expression.cc (script_exp_function_origin)
3134         (script_exp_function_length): Move from here to ...
3135         * script.cc: ... here.
3136         (script_set_section_region, script_add_memory)
3137         (script_parse_memory_attr, script_include_directive): New
3138         functions.
3139         * script-sections.cc
3140         (class Memory_region): New class.
3141         (class Output_section_definition): Add set_memory_region,
3142         set_section_vma, set_section_lma and get_section_name methods.
3143         (class Script_Sections): Add add_memory_region,
3144         find_memory_region, find_memory_region_origin,
3145         find_memory_region_length and set_memory_region methods.
3146         Have set_section_addresses method walk the list of set memory
3147         regions.
3148         Extend the print methos to display memory regions.
3149         * script-sections.h: Add prototypes for new methods.
3150         Add enum for MEMORY region attributes.
3151         * yyscript.y: Add support for parsing MEMORY regions.
3152         * script-c.h: Add prototypes for new functions.
3153         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3154         * testsuite/Makefile.in: Regenerate.
3155         * testsuite/memory_test.sh: New script.
3156         * testsuite/memory_test.s: New assembler source file.
3157         * testsuite/memory_test.t: New linker script.
3158
3159 2010-08-27  Doug Kwan  <dougkwan@google.com>
3160
3161         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3162         reference override an existing dynamic weak reference.
3163         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3164         * testsuite/Makefile.in: Regenerate.
3165         * testsuite/dyn_weak_ref.sh: New file.
3166         * testsuite/dyn_weak_ref_1.c: Ditto.
3167         * testsuite/dyn_weak_ref_2.c: Ditto.
3168
3169 2010-08-27  Ian Lance Taylor  <iant@google.com>
3170
3171         * incremental.h (class Incremental_input_entry): Add virtual
3172         destructor.
3173
3174 2010-08-27  Ian Lance Taylor  <iant@google.com>
3175
3176         * testsuite/start_lib_test_3.c: Mark t3 as used.
3177
3178 2010-08-27  Nick Clifton  <nickc@redhat.com>
3179
3180         * options.cc (version_script): Fix small typo in previous
3181         whitespace tidyup.
3182
3183 2010-08-25  Nick Clifton  <nickc@redhat.com>
3184
3185         * archive.cc: Formatting fixes: Remove whitespace between
3186         typename and following asterisk.  Remove whitespace between
3187         function name and opening parenthesis.
3188         * archive.h: Likewise.
3189         * arm.cc: Likewise.
3190         * attributes.cc: Likewise.
3191         * attributes.h: Likewise.
3192         * common.cc: Likewise.
3193         * copy-relocs.cc: Likewise.
3194         * dirsearch.h: Likewise.
3195         * dynobj.cc: Likewise.
3196         * ehframe.cc: Likewise.
3197         * ehframe.h: Likewise.
3198         * expression.cc: Likewise.
3199         * fileread.cc: Likewise.
3200         * fileread.h: Likewise.
3201         * gc.h: Likewise.
3202         * gold-threads.cc: Likewise.
3203         * gold.cc: Likewise.
3204         * i386.cc: Likewise.
3205         * icf.h: Likewise.
3206         * incremental-dump.cc: Likewise.
3207         * incremental.cc: Likewise.
3208         * layout.cc: Likewise.
3209         * layout.h: Likewise.
3210         * main.cc: Likewise.
3211         * merge.cc: Likewise.
3212         * merge.h: Likewise.
3213         * object.cc: Likewise.
3214         * object.h: Likewise.
3215         * options.cc: Likewise.
3216         * options.h: Likewise.
3217         * output.cc: Likewise.
3218         * output.h: Likewise.
3219         * plugin.cc: Likewise.
3220         * plugin.h: Likewise.
3221         * powerpc.cc: Likewise.
3222         * reloc.cc: Likewise.
3223         * script-c.h: Likewise.
3224         * script-sections.cc: Likewise.
3225         * script.cc: Likewise.
3226         * stringpool.cc: Likewise.
3227         * symtab.cc: Likewise.
3228         * symtab.h: Likewise.
3229         * target.cc: Likewise.
3230         * timer.cc: Likewise.
3231         * timer.h: Likewise.
3232         * version.cc: Likewise.
3233         * x86_64.cc: Likewise.
3234
3235 2010-08-24  Nick Clifton  <nickc@redhat.com>
3236
3237         PR 11899
3238         * layout.cc (segment_precedes): Sort segments by their physical
3239         addresses, if they have been set.
3240
3241 2010-08-23  Cary Coutant  <ccoutant@google.com>
3242
3243         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3244         symbols data.
3245         (Lib_group::include_member): Unlock object after deleting its
3246         symbols data.
3247         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3248         the bug fixed here.
3249
3250 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3251             Cary Coutant  <ccoutant@google.com>
3252
3253         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3254         constructor, and set_blocker.
3255         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3256         readsyms_blocker_.
3257         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3258         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3259         * testsuite/Makefile.am (start_lib_test): New test case.
3260         * testsuite/Makefile.in: Regenerate.
3261         * testsuite/start_lib_test_main.c: New file.
3262         * testsuite/start_lib_test_1.c: New file.
3263         * testsuite/start_lib_test_2.c: New file.
3264         * testsuite/start_lib_test_3.c: New file.
3265
3266 2010-08-19  Ian Lance Taylor  <iant@google.com>
3267
3268         * Makefile.in: Rebuild with automake 1.11.1.
3269         * aclocal.m4: Likewise.
3270         * testsuite/Makefile.in: Likewise.
3271
3272 2010-08-19  Ian Lance Taylor  <iant@google.com>
3273
3274         PR 10893
3275         * i386.cc (class Output_data_plt_i386): Update declarations.
3276         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3277         local_ifuncs_ fields.
3278         (Target_i386::do_plt_section_for_global): New function.
3279         (Target_i386::do_plt_section_for_local): New function.
3280         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3281         parameter; change all callers.  Initialize global_ifuncs_ and
3282         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3283         __rel_iplt_end.
3284         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3285         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3286         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3287         symbols.
3288         (Target_i386::make_plt_section): New function, broken out of
3289         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3290         (Target_i386::make_plt_entry): Call make_plt_section.
3291         (Target_i386::make_local_ifunc_plt_entry): New function.
3292         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3293         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3294         R_386_IRELATIVE to switch.
3295         (Target_i386::Scan::global): Likewise.
3296         (Target_i386::Relocate::relocate): Likewise.
3297         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3298         switch.
3299         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3300         (Target_x86_64::do_plt_section_for_global): New function.
3301         (Target_x86_64::do_plt_section_for_local): New function.
3302         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3303         parameter; change all callers.  If doing a static link define
3304         __rela_iplt_start and __rela_iplt_end.
3305         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3306         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3307         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3308         to point to .plt.
3309         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3310         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3311         switch.
3312         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3313         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3314         R_X86_64_IRELATIVE to switch.
3315         (Target_x86_64::Scan::global): Likewise.
3316         (Target_x86_64::Relocate::relocate): Likewise.
3317         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3318         switch.
3319         * target.h (class Target): Add plt_section_for_global and
3320         plt_section_for_local functions.  Add do_plt_section_for_global
3321         and do_plt_section_for_local virtual functions.
3322         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3323         clarifying comments.
3324         (Symbol::use_plt_offset): Handle IFUNC symbol.
3325         * object.cc (Sized_relobj::Sized_relobj): Initialize
3326         local_plt_offsets_.
3327         (Sized_relobj::local_has_plt_offset): New function.
3328         (Sized_relobj::local_plt_offset): New function.
3329         (Sized_relobj::set_local_plt_offset): New function.
3330         (Sized_relobj::do_count): Handle IFUNC symbol.
3331         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3332         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3333         is_ifunc_symbol functions.
3334         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3335         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3336         local_plt_offsets_ field.
3337         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3338         * output.h (class Output_section_data): Add non-const
3339         output_section function.
3340         (class Output_data_got): Update declarations.
3341         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3342         Add use_plt_offset parameter to global and local constructors.
3343         Change all callers.  Change local_sym_index_ field to 31 bits.
3344         Change GSYM_CODE and CONSTANT_CODE accordingly.
3345         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3346         doing a static link don't set sh_link field.
3347         (Output_data_got::Got_entry::write): Use PLT offset if
3348         appropriate.
3349         (Output_data_got::add_global_plt): New function.
3350         (Output_data_got::add_local_plt): New function.
3351         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3352         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3353         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3354         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3355         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3356         IFUNC conditional.
3357         * testsuite/ifunc-sel.h: New file.
3358         * testsuite/ifuncmain1.c: New file.
3359         * testsuite/ifuncmain1vis.c: New file.
3360         * testsuite/ifuncmod1.c: New file.
3361         * testsuite/ifuncdep2.c: New file.
3362         * testsuite/ifuncmain2.c: New file.
3363         * testsuite/ifuncmain3.c: New file.
3364         * testsuite/ifuncmod3.c: New file.
3365         * testsuite/ifuncmain4.c: New file.
3366         * testsuite/ifuncmain5.c: New file.
3367         * testsuite/ifuncmod5.c: New file.
3368         * testsuite/ifuncmain6pie.c: New file.
3369         * testsuite/ifuncmod6.c: New file.
3370         * testsuite/ifuncmain7.c: New file.
3371         * configure, testsuite/Makefile.in: Rebuild.
3372
3373 2010-08-18  Ian Lance Taylor  <iant@google.com>
3374
3375         * incremental.cc
3376         (Output_section_incremental_inputs::write_input_files): Add cast
3377         to avoid signed/unsigned comparison warning.
3378         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3379
3380 2010-08-12  Cary Coutant  <ccoutant@google.com>
3381
3382         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3383
3384 2010-08-13  Ian Lance Taylor  <iant@google.com>
3385
3386         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3387
3388 2010-08-12  Cary Coutant  <ccoutant@google.com>
3389             Doug Kwan  <dougkwan@google.com>
3390
3391         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3392         defintion overrides non-weak undef, remember that the original undef
3393         is not weak.
3394         * symtab.cc (Symbol_table::sized_write_global): For undef without
3395         an original weak binding, set binding to global in output.
3396         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3397         * testsuite/Makefile.in: Regenerate.
3398         * testsuite/strong_ref_weak_def.sh: New file.
3399         * testsuite/strong_ref_weak_def_1.c: Ditto.
3400         * testsuite/strong_ref_weak_def_2.c: Ditto.
3401
3402 2010-08-12  Cary Coutant  <ccoutant@google.com>
3403
3404         * testsuite/incremental_test.sh: Rewrite.
3405         * testsuite/incremental_test_1.c: Rewrite.
3406         * testsuite/incremental_test_2.c: Rewrite.
3407
3408 2010-08-12  Cary Coutant  <ccoutant@google.com>
3409
3410         * arm.cc (Target_arm::got_size): Add const.
3411         (Target_arm::got_entry_count): New function.
3412         (Target_arm::plt_entry_count): New function.
3413         (Target_arm::first_plt_entry_offset): New function.
3414         (Target_arm::plt_entry_size): New function.
3415         (Output_data_plt_arm::entry_count): New function.
3416         (Output_data_plt_arm::first_plt_entry_offset): New function.
3417         (Output_data_plt_arm::get_plt_entry_size): New function.
3418         * i386.cc (Target_i386::got_size): Add const.
3419         (Target_i386::got_entry_count): New function.
3420         (Target_i386::plt_entry_count): New function.
3421         (Target_i386::first_plt_entry_offset): New function.
3422         (Target_i386::plt_entry_size): New function.
3423         (Output_data_plt_i386::entry_count): New function.
3424         (Output_data_plt_i386::first_plt_entry_offset): New function.
3425         (Output_data_plt_i386::get_plt_entry_size): New function.
3426         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3427         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3428         * incremental.cc: Include target.h.
3429         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3430         parameter.  Adjust all callers.  Find incremental_got_plt section.
3431         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3432         section.
3433         (Output_section_incremental_inputs::set_final_data_size): Calculate
3434         size of incremental_got_plt section.
3435         (Output_section_incremental_inputs::do_write): Write the
3436         incremental_got_plt section.
3437         (Got_plt_view_info): New struct.
3438         (Local_got_offset_visitor): New class.
3439         (Global_got_offset_visitor): New class.
3440         (Global_symbol_visitor_got_plt): New class.
3441         (Output_section_incremental_inputs::write_got_plt): New function.
3442         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3443         Add parameter.  Adjust all callers.
3444         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3445         (Incremental_inputs::got_plt_section): New function.
3446         (Incremental_inputs::got_plt_section_): New data member.
3447         (Incremental_got_plt_reader): New class.
3448         * layout.cc (Layout::create_incremental_info_sections): Add the
3449         incremental_got_plt section.
3450         * object.h (Got_offset_list::get_list): New function.
3451         (Got offset_list::for_all_got_offsets): New function.
3452         (Sized_relobj::local_got_offset_list): New function.
3453         * powerpc.cc (Target_powerpc::got_size): Add const.
3454         (Target_powerpc::got_entry_count): New function.
3455         (Target_powerpc::plt_entry_count): New function.
3456         (Target_powerpc::first_plt_entry_offset): New function.
3457         (Target_powerpc::plt_entry_size): New function.
3458         (Output_data_plt_powerpc::entry_count): New function.
3459         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3460         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3461         * sparc.cc (Target_sparc::got_size): Add const.
3462         (Target_sparc::got_entry_count): New function.
3463         (Target_sparc::plt_entry_count): New function.
3464         (Target_sparc::first_plt_entry_offset): New function.
3465         (Target_sparc::plt_entry_size): New function.
3466         (Output_data_plt_sparc::entry_count): New function.
3467         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3468         (Output_data_plt_sparc::get_plt_entry_size): New function.
3469         * symtab.h (Symbol::got_offset_list): New function.
3470         (Symbol_table::for_all_symbols): New function.
3471         * target.h (Sized_target::got_entry_count): New function.
3472         (Sized_target::plt_entry_count): New function.
3473         (Sized_target::plt_entry_size): New function.
3474         * x86_64.cc (Target_x86_64::got_size): Add const.
3475         (Target_x86_64::got_entry_count): New function.
3476         (Target_x86_64::plt_entry_count): New function.
3477         (Target_x86_64::first_plt_entry_offset): New function.
3478         (Target_x86_64::plt_entry_size): New function.
3479         (Output_data_plt_x86_64::entry_count): New function.
3480         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3481         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3482
3483 2010-08-12  Cary Coutant  <ccoutant@google.com>
3484
3485         * archive.cc: Include incremental.h.
3486         (Archive::Archive): Initialize incremental_info_.
3487         (Archive::include_member): Record archive members in incremental info.
3488         (Add_archive_symbols::run): Record begin and end of an archive in
3489         incremental info.
3490         (Lib_group::include_member): Record objects in incremental info.
3491         * archive.h (Incremental_archive_entry): Forward declaration.
3492         (Archive::set_incremental_info): New member function.
3493         (Archive::incremental_info): New member function.
3494         (Archive::Unused_symbol_iterator): New class.
3495         (Archive::unused_symbols_begin): New member function.
3496         (Archive::unused_symbols_end): New member function.
3497         (Archive::incremental_info_): New data member.
3498         * incremental-dump.cc (find_input_containing_global): New function.
3499         (dump_incremental_inputs): Dump new incremental info sections.
3500         * incremental.cc: Include symtab.h.
3501         (Output_section_incremental_inputs): New class.
3502         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3503         new incremental info sections.
3504         (Sized_incremental_binary::do_check_inputs): Likewise.
3505         (Incremental_inputs::report_archive): Remove.
3506         (Incremental_inputs::report_archive_begin): New function.
3507         (Incremental_inputs::report_archive_end): New function.
3508         (Incremental_inputs::report_object): New function.
3509         (Incremental_inputs::finalize_inputs): Remove.
3510         (Incremental_inputs::report_input_section): New function.
3511         (Incremental_inputs::report_script): Rewrite.
3512         (Incremental_inputs::finalize): Do nothing but finalize string table.
3513         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3514         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3515         (Incremental_inputs::create_data_sections): New function.
3516         (Incremental_inputs::relocs_entsize): New function.
3517         (Output_section_incremental_inputs::set_final_data_size): New function.
3518         (Output_section_incremental_inputs::do_write): New function.
3519         (Output_section_incremental_inputs::write_header): New function.
3520         (Output_section_incremental_inputs::write_input_files): New function.
3521         (Output_section_incremental_inputs::write_info_blocks): New function.
3522         (Output_section_incremental_inputs::write_symtab): New function.
3523         * incremental.h (Incremental_script_entry): Forward declaration.
3524         (Incremental_object_entry): Forward declaration.
3525         (Incremental_archive_entry): Forward declaration.
3526         (Incremental_inputs): Forward declaration.
3527         (Incremental_inputs_header_data): Remove.
3528         (Incremental_inputs_header): Remove.
3529         (Incremental_inputs_header_write): Remove.
3530         (Incremental_inputs_entry_data): Remove.
3531         (Incremental_inputs_entry): Remove.
3532         (Incremental_inputs_entry_write): Remove.
3533         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3534         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3535         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3536         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3537         Likewise.
3538         (Incremental_input_entry): New class.
3539         (Incremental_script_entry): New class.
3540         (Incremental_object_entry): New class.
3541         (Incremental_archive_entry): New class.
3542         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3543         (Incremental_inputs::report_inputs): Remove.
3544         (Incremental_inputs::report_archive): Remove.
3545         (Incremental_inputs::report_archive_begin): New function.
3546         (Incremental_inputs::report_archive_end): New function.
3547         (Incremental_inputs::report_object): Change prototype.
3548         (Incremental_inputs::report_input_section): New function.
3549         (Incremental_inputs::report_script): Change prototype.
3550         (Incremental_inputs::get_reloc_count): New function.
3551         (Incremental_inputs::set_reloc_count): New function.
3552         (Incremental_inputs::create_data_sections): New function.
3553         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3554         (Incremental_inputs::inputs_section): New function.
3555         (Incremental_inputs::symtab_section): New function.
3556         (Incremental_inputs::relocs_section): New function.
3557         (Incremental_inputs::get_stringpool): Add const.
3558         (Incremental_inputs::command_line): Add const.
3559         (Incremental_inputs::inputs): Remove.
3560         (Incremental_inputs::command_line_key): New function.
3561         (Incremental_inputs::input_file_count): New function.
3562         (Incremental_inputs::input_files): New function.
3563         (Incremental_inputs::relocs_entsize): New function.
3564         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3565         (Incremental_inputs::finalize_inputs): Remove.
3566         (Incremental_inputs::Input_info): Remove.
3567         (Incremental_inputs::lock_): Remove.
3568         (Incremental_inputs::inputs_): Change type.
3569         (Incremental_inputs::inputs_map_): Remove.
3570         (Incremental_inputs::current_object_entry_): New data member.
3571         (Incremental_inputs::inputs_section_): New data member.
3572         (Incremental_inputs::symtab_section_): New data member.
3573         (Incremental_inputs::relocs_section_): New data member.
3574         (Incremental_inputs::reloc_count_): New data member.
3575         (Incremental_inputs_reader): New class.
3576         (Incremental_symtab_reader): New class.
3577         (Incremental_relocs_reader): New class.
3578         * layout.cc (Layout::finalize): Move finalization of incremental info
3579         and creation of incremental info sections to follow finalization of
3580         symbol table.  Set offsets for postprocessing sections.
3581         (Layout::create_incremental_info_sections): Call
3582         Incremental_inputs::create_data_sections.  Add incremental symtab
3583         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3584         sections to layout after input sections.
3585         * layout.h (struct Timespec): Forward declaration.
3586         (Layout::incremental_inputs): Add const.
3587         (Layout::create_incremental_info_sections): Add parameter.
3588         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3589         * object.cc: Include incremental.h.
3590         (Relobj::finalize_incremental_relocs): New function.
3591         (Sized_relobj::do_layout): Record input sections in incremental info.
3592         * object.h (Object::output_section): New function.
3593         (Object::output_section_offset): Moved from Relobj.
3594         (Object::get_incremental_reloc_base): New function.
3595         (Object::get_incremental_reloc_count): New function.
3596         (Object::do_output_section): New function.
3597         (Object::do_output_section_offset): Moved from Relobj.
3598         (Object::do_get_incremental_reloc_base): New function.
3599         (Object::do_get_incremental_reloc_count): New function.
3600         (Object::Object): Initialize new data members.
3601         (Relobj::output_section): Renamed do_output_section and moved to
3602         protected.
3603         (Relobj::output_section_offset): Moved to Object.
3604         (Relobj::do_get_incremental_reloc_base): New function.
3605         (Relobj::do_get_incremental_reloc_count): New function.
3606         (Relobj::allocate_incremental_reloc_counts): New function.
3607         (Relobj::count_incremental_reloc): New function.
3608         (Relobj::finalize_incremental_relocs): New function.
3609         (Relobj::next_incremental_reloc_index): New function.
3610         (Relobj::reloc_counts_): New data member.
3611         (Relobj::reloc_bases_): New data member.
3612         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3613         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3614         (Sized_relobj::incremental_relocs_scan): New function.
3615         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3616         (Sized_relobj::incremental_relocs_write): New function.
3617         (Sized_relobj::incremental_relocs_write_reltype): New function.
3618         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3619         incremental link.
3620         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3621         archives and object files elsewhere.
3622         (Add_symbols::run): Report object files here.
3623         (Finish_group::run): Report end of archive at end of group.
3624         * reloc.cc: Include layout.h, incremental.h.
3625         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3626         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3627         (Sized_relobj::incremental_relocs_scan): New function.
3628         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3629         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3630         (Sized_relobj::incremental_relocs_write): New function.
3631         (Sized_relobj::incremental_relocs_write_reltype): New function.
3632         * script.cc (read_input_script): Rewrite test for incremental link.
3633         Change call to Incremental_inputs::report_script.
3634         * symtab.h (Symbol_table::first_global_index): New function.
3635         (Symbol_table::output_count): New function.
3636
3637 2010-08-12  Doug Kwan  <dougkwan@google.com>
3638
3639         * arm.cc (Target_arm::merge_object_attributes): Check command line
3640         options --no-wchar-size-warning and --no-enum-size-warning.
3641         * options.h (General_options): Add ld-compatible options
3642         --no-enum-size-warning and --no-wchar-size-warning.
3643
3644 2010-08-04  Ian Lance Taylor  <iant@google.com>
3645
3646         * x86_64.cc (Target_x86_64::Scan::local): Use
3647         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3648         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3649         (Target_x86_64::Scan::global): Likewise.
3650         (Target_x86_64::Relocate::relocate): Likewise.
3651         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3652         Likewise.
3653
3654 2010-08-03  Cary Coutant  <ccoutant@google.com>
3655
3656         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3657         to reserve space in merged_strings vector. Keep total input size
3658         for stats.
3659         (Output_merge_string::do_print_merge_stats): Print total input size.
3660         * merge.h (Output_merge_string): Add input_size_ field.
3661         * stringpool.cc (Stringpool_template::string_length): Move
3662         implementations out of Stringpool_template class and place in
3663         stringpool.h.
3664         * stringpool.h (string_length): Move out of Stringpool_template.
3665
3666 2010-08-03  Ian Lance Taylor  <iant@google.com>
3667
3668         PR 11712
3669         * layout.cc (relaxation_loop_body): If address of load segment is
3670         set, adjust address to include headers if possible.
3671
3672 2010-08-03  Ian Lance Taylor  <iant@google.com>
3673
3674         * version.cc (version_string): Bump to 1.10.
3675
3676 2010-08-03  Ian Lance Taylor  <iant@google.com>
3677
3678         PR 11805
3679         * layout.h (enum Output_section_order): Define.
3680         (class Layout): Update declarations.
3681         * layout.cc (Layout::get_output_section): Add order parameter.
3682         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3683         is_first_non_relro parameters.  Change all callers.
3684         (Layout::choose_output_section): Likewise.
3685         (Layout::add_output_section_data): Likewise.
3686         (Layout::make_output_section): Likewise.  Set order.
3687         (Layout::default_section_order): New function.
3688         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3689         * output.cc (Output_section::Output_section): Initialize order_.
3690         Don't initialize deleted fields.
3691         (Output_segment::Output_segment): Don't initialize deleted
3692         fields.
3693         (Output_segment::add_output_section_to_load): New function
3694         replacing add_output_section.  Change all callers to call this or
3695         add_output_section_to_nonload.
3696         (Output_segment::add_output_section_to_nonload): New function.
3697         (Output_segment::remove_output_section): Rewrite.
3698         (Output_segment::add_initial_output_data): Likewise.
3699         (Output_segment::has_any_data_sections): Likewise.
3700         (Output_segment::is_first_section_relro): Likewise.
3701         (Output_segment::maximum_alignment): Likewise.
3702         (Output_segment::has_dynamic_reloc): New function replacing
3703         dynamic_reloc_count.  Change all callers.
3704         (Output_segment::has_dynamic_reloc_list): New function replacing
3705         dynamic_reloc_count_list.  Change all callers.
3706         (Output_segment::set_section_addresses): Rewrite.
3707         (Output_segment::set_offset): Rewrite.
3708         (Output_segment::find_first_and_last_list): Remove.
3709         (Output_segment::set_tls_offsets): Rewrite.
3710         (Output_segment::first_section_load_address): Likewise.
3711         (Output_segment::output_section_count): Likewise.
3712         (Output_segment::section_with_lowest_load_address): Likewise.
3713         (Output_segment::write_section_headers): Likewise.
3714         (Output_segment::print_sections_to_map): Likewise.
3715         * output.h (class Output_data): Remove dynamic_reloc_count_
3716         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3717         (Output_data::add_dynamic_reloc): Rewrite.
3718         (Output_data::has_dynamic_reloc): New function.
3719         (Output_data::dynamic_reloc_count): Remove.
3720         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3721         is_last_relro_, is_first_non_relro_, is_interp_,
3722         is_dynamic_linker_section_ fields.  Add order and set_order
3723         functions.  Remove is_relro_local, set_is_relro_local,
3724         is_last_relro, set_is_last_relro, is_first_non_relro,
3725         set_is_first_non_relro functions, is_interp, set_is_interp,
3726         is_dynamic_linker_section, and set_is_dynamic_linker_section
3727         functions.
3728         (class Output_segment): Change Output_data_list from std::list to
3729         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3730         output_bss_ fields.  Update declarations.
3731
3732 2010-08-02  Ian Lance Taylor  <iant@google.com>
3733
3734         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3735         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3736         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3737
3738 2010-08-02  Ian Lance Taylor  <iant@google.com>
3739
3740         PR 11855
3741         * script.cc (Script_options::Script_options): Initialize
3742         symbol_definitions_ and symbol_references_.
3743         (Script_options::add_symbol_assignment): Update
3744         symbol_definitions_ and symbol_references_.
3745         (Script_options::add_symbol_reference): New function.
3746         (script_symbol): New function.
3747         * script.h (class Script_options): Add symbol_definitions_ and
3748         symbol_references_ fields.
3749         (Script_options::referenced_const_iterator): New type.
3750         (Script_options::referenced_begin): New function.
3751         (Script_options::referenced_end): New function.
3752         (Script_options::is_referenced): New function.
3753         (Script_options::any_unreferenced): New function.
3754         * script-c.h (script_symbol): Declare.
3755         * yyscript.y (exp): Call script_symbol.
3756         * symtab.cc: Include "script.h".
3757         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3758         Change all callers.  Check symbols referenced by scripts.
3759         (Symbol_table::add_undefined_symbols_from_command_line): Add
3760         layout parameter.  Change all callers.
3761         (Symbol_table::do_add_undefined_symbols_from_command_line):
3762         Likewise.  Break out loop body.  Check symbols referenced by
3763         scripts.
3764         (Symbol_table::add_undefined_symbol_from_command_line): New
3765         function broken out of
3766         do_add_undefined_symbols_from_command_line.
3767         * symtab.h (class Symbol_table): Update declarations.
3768         * archive.cc: Include "layout.h".
3769         (Archive::should_include_member): Add layout parameter.  Change
3770         all callers.  Check for symbol mentioned in expression.
3771         * archive.h (class Archive): Update declaration.
3772         * object.cc (Sized_relobj::do_should_include_member): Add layout
3773         parameter.
3774         * object.h (Object::should_include_member): Add layout parameter.
3775         Change all callers.
3776         (Object::do_should_include_member): Add layout parameter.
3777         (class Sized_relobj): Update declaration.
3778         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3779         parameter.
3780         * dynobj.h (class Sized_dynobj): Update declaration.
3781         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3782         layout parameter.
3783         * plugin.h (class Sized_pluginobj): Update declaration.
3784
3785 2010-08-02  Ian Lance Taylor  <iant@google.com>
3786
3787         PR 11866
3788         * output.cc (Output_segment::set_offset): Search for the first and
3789         last sections rather than assuming that the list is in order.
3790         (Output_segment::find_first_and_last_list): New function.
3791         * output.h (class Output_segment): Update declarations.
3792         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3793         (relro_strip_test_SOURCES): New variable.
3794         (relro_strip_test_DEPENDENCIES): New variable.
3795         (relro_strip_test_LDFLAGS): New variable.
3796         (relro_strip_test_LDADD): New variable.
3797         (relro_strip_test.so): New target.
3798
3799 2010-08-02  Ian Lance Taylor  <iant@google.com>
3800
3801         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3802         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3803         (Target_i386::got_tlsdesc_section): New function.
3804         (Target_i386::got_section): Create space for GOT entries for
3805         TLSDESC relocations.
3806         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3807         R_386_TLS_GOTDESC.
3808         (Target_i386::Scan::global): Likewise.
3809         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3810         using TLSDESC GOT.
3811         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3812         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3813         (Target_x86_64::got_tlsdesc_section): New function.
3814         (Target_x86_64::got_section): Create space for GOT entries for
3815         TLSDESC relocations.
3816         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3817         R_386_TLS_GOTDESC.
3818         (Target_x86_64::Scan::global): Likewise.
3819         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3820         using TLSDESC GOT.
3821
3822 2010-08-02  Ian Lance Taylor  <iant@google.com>
3823
3824         * testsuite/final_layout.sh: Use dc to convert from hex to
3825         decimal.
3826
3827 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3828
3829         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3830         paramter to the call to gold::gc_process_relocs.
3831         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3832         paramter to the call to gold::gc_process_relocs.
3833         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3834         parameter to the call to gold::gc_process_relocs.
3835         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3836         template parameter to the call to gold::gc_process_relocs.
3837         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3838         paramter to the call to gold::gc_process_relocs.
3839         * gc.h (get_embedded_addend_size): New function.
3840         (gc_process_relocs): Save the size of the reloc for use by ICF.
3841         * icf.cc (get_section_contents): Get the addend from the text section
3842         for SHT_REL relocation sections.
3843         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3844         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3845         * int_encoding.h (read_from_pointer): New overloaded function.
3846         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3847         * testsuite/icf_sht_rel_addend_test.sh: New file.
3848         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3849         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3850
3851 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3852
3853         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3854         * Makefile.in: Regenerate.
3855         * testsuite/Makefile.in: Regenerate.
3856
3857 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3858
3859         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3860         * gold/testsuite/debug_msg.cc: Likewise.
3861         * gold/testsuite/odr_violation1.cc
3862         * gold/testsuite/odr_violation2.cc
3863
3864 2010-07-21  Cary Coutant  <ccoutant@google.com>
3865
3866         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3867         string, and length fields.
3868         (Output_merge_string::Merged_strings_list): New type.
3869         (Output_merge_string::Merged_strings_lists): New typedef.
3870         (Output_merge_string): Replace merged_strings_ with
3871         merged_strings_lists_.
3872         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3873         Merged_strings_list per input object and section.  Don't store pointer
3874         to the string.  Don't store length with each merged string entry.
3875         (Output_merge_string::finalize_merged_data): Loop over list of merged
3876         strings lists.  Recompute length of each merged string.
3877
3878 2010-07-15  Cary Coutant  <ccoutant@google.com>
3879
3880         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3881         here.
3882
3883 2010-07-14  Ian Lance Taylor  <iant@google.com>
3884
3885         * descriptors.cc (Descriptors::open): Report correct name in error
3886         message.
3887
3888 2010-07-13  Doug Kwan  <dougkwan@google.com>
3889
3890         * arm.cc (Arm_input_section::Arm_input_section): For a
3891         SHT_ARM_EXIDX section, always keeps the input sections.
3892         (Arm_input_section::set_exidx_section_link): New method.
3893         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3894         has_errors_ to false.
3895         (Arm_exidx_input_section::has_errors,
3896         Arm_exidx_input_section::set_has_errors): New methods.
3897         (Arm_exidx_input_section::has_errors_): New data member.
3898         (Arm_relobj::get_exidx_shndx_list): New method.
3899         (Arm_output_section::append_text_sections_to_list): Do not skip
3900         section without SHF_EXECINSTR.
3901         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3902         errors.
3903         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3904         section header.  Make error messages more verbose.  Check for
3905         a non-executable section linked to an EXIDX section.
3906         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3907         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3908         check that there is no deferred EXIDX section if we exit early.
3909         Instead of not making an EXIDX section in case of an error, make one
3910         and set the has_errors flag of it.
3911         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3912         in a relocatable link.
3913         (Target_arm::do_relax): Look for the EXIDX output section instead of
3914         assuming that it is called .ARM.exidx.
3915         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3916         section list.  Do not check for SHF_EXECINSTR section flags but
3917         skip any input section with errors.
3918         * output.cc (Output_section::Output_section): Initialize
3919         always_keeps_input_sections_ to false.
3920         (Output_section::add_input_section): Check for
3921         always_keeps_input_sections_.
3922         *  output.h (Output_section::always_keeps_input_sections,
3923         Output_section::set_always_keeps_input_sections): New methods.
3924         (Output_section::always_keeps_input_sections): New data member.
3925
3926 2010-07-13  Rafael Espindola  <espindola@google.com>
3927
3928         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3929         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3930
3931 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3932             Ian Lance Taylor  <iant@google.com>
3933
3934         * output.h (Output_section_lookup_maps::add_merge_section):
3935         Correct check of whether value was inserted.
3936         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3937         (Output_section_lookup_maps::add_relaxed_input_section):
3938         Likewise.
3939         * arm.cc (Target_arm::got_section): Remove used local os.
3940         * i386.cc (Target_i386::got_section): Likewise.
3941         * x86_64.cc (Target_x86_64::got_section): Likewise.
3942         * sparc.cc (Target_sparc::got_section): Likewise.
3943         (Target_sparc::relocate): Remove unused local have_got_offset.
3944         * powerpc.cc (Target_powerpc::relocate): Likewise.
3945
3946 2010-07-13  Ian Lance Taylor  <iant@google.com>
3947
3948         * compressed_output.cc (zlib_decompress): Fix signature in
3949         !HAVE_ZLIB_H case.
3950
3951         * archive.cc (Archive::include_member): Unlock an external member
3952         of a thin archive.  Don't bother to delete an object we know is
3953         NULL.
3954
3955 2010-07-12  Cary Coutant  <ccoutant@google.com>
3956
3957         * compressed_output.cc (zlib_decompress): New function.
3958         (get_uncompressed_size): New function.
3959         (decompress_input_section): New function.
3960         * compressed_output.h (get_uncompressed_size): New function.
3961         (decompress_input_section): New function.
3962         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3963         Handle compressed debug sections.
3964         * layout.cc (is_compressed_debug_section): New function.
3965         (Layout::output_section_name): Map compressed section names to
3966         canonical names.
3967         * layout.h (is_compressed_debug_section): New function.
3968         (is_debug_info_section): Recognize compressed debug sections.
3969         * merge.cc: Include compressed_output.h.
3970         (Output_merge_data::do_add_input_section): Handle compressed
3971         debug sections.
3972         (Output_merge_string::do_add_input_section): Handle compressed
3973         debug sections.
3974         * object.cc: Include compressed_output.h.
3975         (Sized_relobj::Sized_relobj): Initialize new data members.
3976         (build_compressed_section_map): New function.
3977         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3978         * object.h (Object::section_is_compressed): New method.
3979         (Object::do_section_is_compressed): New method.
3980         (Sized_relobj::Compressed_section_map): New type.
3981         (Sized_relobj::do_section_is_compressed): New method.
3982         (Sized_relobj::compressed_sections_): New data member.
3983         * output.cc (Output_section::add_input_section): Handle compressed
3984         debug sections.
3985         * reloc.cc: Include compressed_output.h.
3986         (Sized_relobj::write_sections): Handle compressed debug sections.
3987
3988 2010-07-08  Cary Coutant  <ccoutant@google.com>
3989
3990         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3991         weak when resolving to a dynamic def.
3992         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3993         for weak undef/dynamic def cases. Adjust callers.
3994         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3995         undef_binding_weak_.
3996         (Symbol_table::sized_write_globals): Adjust symbol binding.
3997         (Symbol_table::sized_write_symbol): Add binding parameter.
3998         * symtab.h (Symbol::set_undef_binding): New method.
3999         (Symbol::is_undef_binding_weak): New method.
4000         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4001         (Symbol_table::should_override): Add new parameter.
4002         (Symbol_table::sized_write_symbol): Add new parameter.
4003
4004         * testsuite/weak_undef_file1.cc: Add new test case.
4005         * testsuite/weak_undef_file2.cc: Fix header comment.
4006         * testsuite/weak_undef_test.cc: Add new test case.
4007
4008 2010-06-29  Doug Kwan  <dougkwan@google.com>
4009
4010         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4011         Initialize USE_SYMBOL_.
4012         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4013         definition.
4014         (Arm_reloc_property::uses_symbol_): New data member declaration.
4015         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4016         uses symbol value and symbol is undefined but not weakly undefined.
4017
4018 2010-06-28  Rafael Espindola  <espindola@google.com>
4019
4020         * plugin.cc (Plugin::load): Use dlerror.
4021
4022 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4023
4024         * symtab.cc (detect_odr_violations): When reporting an ODR
4025         violation, report an object where the symbol is defined.
4026
4027 2010-06-25  Doug Kwan  <dougkwan@google.com>
4028
4029         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4030         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4031         definition.
4032         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4033         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4034         target hook to detect function points.
4035         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4036         * icf.h (Icf::check_section_for_function_pointers): Change type of
4037         parameter SECTION_NAME to const reference to std::string.  Use
4038         target hook to determine if section may have unsafe pointers.
4039         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4040         method definition.
4041
4042 2010-06-21  Rafael Espindola  <espindola@google.com>
4043
4044         * fileread.cc (Input_file::find_fie): New
4045         (Input_file::open): Use Input_file::find_fie.
4046         * fileread.h (Input_file::find_fie): New
4047         * plugin.cc (set_extra_library_path): New.
4048         (Plugin::load): Add set_extra_library_path to the transfer vector.
4049         (Plugin_manager::set_extra_library_path): New.
4050         (Plugin_manager::add_input_file): Use the extra search path if set.
4051         (set_extra_library_path(): New.
4052         * plugin.h (Plugin_manager): Add set_extra_library_path and
4053         extra_search_path_.
4054
4055 2010-06-19  Cary Coutant  <ccoutant@google.com>
4056
4057         * layout.cc (gdb_sections): Add .debug_types.
4058         (lines_only_debug_sections): Likewise.
4059
4060 2010-06-18  Rafael Espindola  <espindola@google.com>
4061
4062         * plugin.cc (add_input_file,add_input_library)
4063         (Plugin_manager::add_input_file): Make filename arguments const.
4064         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4065         const.
4066
4067 2010-06-16  Doug Kwan  <dougkwan@google.com>
4068
4069         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4070         .ARM.attributes section if we have not merged any input
4071         attributes sections.
4072
4073 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4074
4075         * arm.cc: Allow combining objects with no EABI version
4076         information.
4077
4078 2010-06-15  Rafael Espindola  <espindola@google.com>
4079
4080         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4081
4082 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4083
4084         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4085         (struct iovec): Correct !HAVE_READV definition.
4086
4087 2010-06-10  Cary Coutant  <ccoutant@google.com>
4088
4089         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4090         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4091         reloc sections.
4092         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4093
4094         PR 11683
4095         * symtab.h (Symbol::is_placeholder): New member function.
4096         * target-reloc.h (relocate_section): Check for placeholder symbols.
4097
4098         * testsuite/Makefile.am (plugin_test_8): New test.
4099         (plugin_test_9): New test.
4100         * testsuite/Makefile.in: Regenerate.
4101
4102 2010-06-09  Nick Clifton  <nickc@redhat.com>
4103
4104         * yyscript.y (input_list_element): Allow strings prefixed with
4105         the '-' character.  Treat these as libraries.
4106         * script.cc (script_add_library): New function.  Adds a library
4107         specified by "-l<name>" found in an input script.
4108         * script-c.h: Add prototype for script_add_library.
4109
4110 2010-06-07  Doug Kwan  <dougkwan@google.com>
4111
4112         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4113         Restrict stub-group size to be within long conditional branch
4114         range when working around cortex-A8 erratum.
4115
4116 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4117
4118         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4119         #ifdef typo.
4120
4121 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4122
4123         PR gold/11658
4124         * output.cc
4125         (Output_section::Input_section_sort_entry::compare_section_ordering):
4126         Change to return non-zero correctly.
4127         (Output_section::Input_section_sort_section_order_index_compare
4128         ::operator()): Change to fix ambiguity in comparisons.
4129
4130 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4131
4132         * gold.h (is_wildcard_string): New function.
4133         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4134         (Layout::layout_eh_frame): Ditto.
4135         (Layout::find_section_order_index): New method.
4136         (Layout::read_layout_from_file): New method.
4137         * layout.h (Layout::find_section_order_index): New method.
4138         (Layout::read_layout_from_file): New method.
4139         (Layout::input_section_position_): New private member.
4140         (Layout::input_section_glob_): New private member.
4141         * main.cc (main): Call read_layout_from_file here.
4142         * options.h (--section-ordering-file): New option.
4143         * output.cc (Output_section::input_section_order_specified_): New
4144         member.
4145         (Output_section::Output_section): Initialize new member.
4146         (Output_section::add_input_section): Add new parameter.
4147         Keep input sections when --section-ordering-file is used.
4148         (Output_section::set_final_data_size): Sort input sections when
4149         section ordering file is specified.
4150         (Output_section::Input_section_sort_entry): Add new parameter.
4151         Check sorting type.
4152         (Output_section::Input_section_sort_entry::compare_section_ordering):
4153         New method.
4154         (Output_section::Input_section_sort_compare::operator()): Change to
4155         consider section_order_index.
4156         (Output_section::Input_section_sort_init_fini_compare::operator()):
4157         Change to consider section_order_index.
4158         (Output_section::Input_section_sort_section_order_index_compare
4159         ::operator()): New method.
4160         (Output_section::sort_attached_input_sections): Change to sort
4161         according to section order when specified.
4162         (Output_section::add_input_section<32, true>): Add new parameter.
4163         (Output_section::add_input_section<64, true>): Add new parameter.
4164         (Output_section::add_input_section<32, false>): Add new parameter.
4165         (Output_section::add_input_section<64, false>): Add new parameter.
4166         * output.h (Output_section::add_input_section): Add new parameter.
4167         (Output_section::input_section_order_specified): New
4168         method.
4169         (Output_section::set_input_section_order_specified): New method.
4170         (Input_section::Input_section): Initialize section_order_index_.
4171         (Input_section::section_order_index): New method.
4172         (Input_section::set_section_order_index): New method.
4173         (Input_section::section_order_index_): New member.
4174         (Input_section::Input_section_sort_section_order_index_compare): New
4175         struct.
4176         (Output_section::input_section_order_specified_): New member.
4177         * script-sections.cc (is_wildcard_string): Delete and move modified
4178         method to gold.h.
4179         (Output_section_element_input::Output_section_element_input): Modify
4180         call to is_wildcard_string.
4181         (Output_section_element_input::Input_section_pattern
4182         ::Input_section_pattern): Ditto.
4183         (Output_section_element_input::Output_section_element_input): Ditto.
4184         * testsuite/Makefile.am (final_layout): New test case.
4185         * testsuite/Makefile.in: Regenerate.
4186         * testsuite/final_layout.cc: New file.
4187         * testsuite/final_layout.sh: New file.
4188
4189 2010-06-01  Rafael Espindola  <espindola@google.com>
4190
4191         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4192
4193 2010-06-01  Rafael Espindola  <espindola@google.com>
4194
4195         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4196         visibility of symbols.
4197
4198 2010-05-27  Doug Kwan  <dougkwan@google.com>
4199
4200         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4201         from start of output section instead of address for a local symbol
4202         in a merged or relaxed section when doing a relocatable link.
4203
4204 2010-05-26  Rafael Espindola  <espindola@google.com>
4205
4206        PR 11604
4207         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4208         adding sections the garbage collector removed.
4209         * gold/testsuite/Makefile.am: Add test.
4210         * gold/testsuite/Makefile.in: Regenerate.
4211         * gold/testsuite/plugin_test_7.sh: New.
4212         * gold/testsuite/plugin_test_7_1.c: New.
4213         * gold/testsuite/plugin_test_7_2.c: New.
4214
4215 2010-05-26  Rafael Espindola  <espindola@google.com>
4216
4217         * script-sections.cc (Output_section_definition::set_section_addresses):
4218         Check for --section-start.
4219
4220 2010-05-26  Doug Kwan  <dougkwan@google.com>
4221
4222         * arm.cc (Arm_scan_relocatable_relocs): New class.
4223         (Target_arm::relocate_special_relocatable): New method.
4224         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4225         (Arm_relocate_functions::thumb_branch_common): Same.
4226         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4227         instead of Default_scan_relocatable_relocs.
4228         * target-reloc.h (relocate_for_relocatable): Let target handle
4229         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4230         * target.h (Sized_target::relocate_special_relocatable): New method.
4231
4232 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4233
4234         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4235
4236 2010-05-23  Doug Kwan  <dougkwan@google.com>
4237
4238         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4239         instead of a cast.
4240         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4241         with a direct branch, not a conditional branch, to a stub.
4242         * merge.cc (Output_merge_base::record_input_section): New method
4243         defintion.
4244         (Output_merge_data::do_add_input_section): Record input section if
4245         keeps-input-sections flag is set.
4246         (Output_merge_string::do_add_input_section): Ditto.
4247         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4248         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4249         INPUT_SECTIONS_.
4250         (Output_merge_base::keeps_input_sections,
4251         Output_merge_base::set_keeps_input_sections,
4252         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4253         method definitions.
4254         (Output_merge_base::Input_sections): New type declaration.
4255         (Output_merge_base::input_sections_begin,
4256         Output_merge_base::input_sections_end,
4257         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4258         (Output_merge_base::bool keeps_input_sections_,
4259         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4260         Output_merge_base::input_sections_): New data members.
4261         (Output_merge_data::do_set_keeps_input_sections): New method
4262         defintion.
4263         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4264         * output.cc (Output_section::Input_section::relobj): Move method
4265         defintion from class declaration to here and handle merge sections.
4266         (Output_section::Input_section::shndx): Ditto.
4267         (Output_section::Output_section): Remove initializations of removed
4268         data members and initialize new data member LOOKUP_MAPS_.
4269         (Output_section::add_input_section): Set keeps-input-sections flag
4270         for a newly created merge output section as appropriate.  Adjust code
4271         to use Output_section_lookup_maps class.
4272         (Output_section::add_relaxed_input_section): Adjst code for lookup
4273         maps code refactoring.
4274         (Output_section::add_merge_input_section): Add a new parameter
4275         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4276         class.  If adding input section to a newly created merge output
4277         section fails, remove the new merge section.
4278         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4279         Adjust code for use of the Output_section_lookup_maps class.
4280         (Output_section::find_merge_section): Ditto.
4281         (Output_section::build_lookup_maps): New method defintion.
4282         (Output_section::find_relaxed_input_section): Adjust code to use
4283         Output_section_lookup_maps class.
4284         (Output_section::get_input_sections): Export merge sections.  Adjust
4285         code to use Output_section_lookup_maps class.
4286         (Output_section:::add_script_input_section): Adjust code to use
4287         Output_section_lookup_maps class.  Update lookup maps for merge
4288         sections also.
4289         (Output_section::discard_states): Use Output_section_lookup_maps.
4290         (Output_section::restore_states): Same.
4291         * output.h (Merge_section_properties): Move class defintion out of
4292         Output_section.
4293         (Output_section_lookup_maps): New class.
4294         (Output_section::Input_section::is_merge_section): New method
4295         defintion.
4296         (Output_section::Input_section::relobj): Move defintion out of class
4297         defintion.  Declare method only.
4298         (Output_section::Input_section::shndx): Ditto.
4299         (Output_section::Input_section::output_merge_base): New method defintion.
4300         (Output_section::Input_section::u2_.pomb): New union field.
4301         (Output_section::Merge_section_by_properties_map,
4302         Output_section::Output_section_data_by_input_section_map,
4303         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4304         Remove types.
4305         (Output_section::add_merge_input_section): Add new parameter
4306         KEEPS_INPUT_SECTIONS.
4307         (Output_section::build_lookup_maps): New method declaration.
4308         (Output_section::merge_section_map_,
4309         Output_section::merge_section_by_properties_map_,
4310         Output_section::relaxed_input_section_map_,
4311         Output_section::is_relaxed_input_section_map_valid_): Remove data
4312         members.
4313         (Output_section::lookup_maps_): New data member.
4314
4315 2010-05-21  Doug Kwan  <dougkwan@google.com>
4316
4317         PR gold/11619
4318         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4319         avoid a compilation error.
4320
4321 2010-05-19  Rafael Espindola  <espindola@google.com>
4322
4323         * script-sections.cc (Output_section_definition::allocate_to_segment):
4324         Update the phdrs_list even when the output section is NULL.
4325         * testsuite/Makefile.am: Add test.
4326         * testsuite/Makefile.in: Regenerate.
4327         * testsuite/script_test_9.cc: New.
4328         * testsuite/script_test_9.sh: New.
4329         * testsuite/script_test_9.t: New.
4330
4331 2010-05-19  Doug Kwan  <dougkwan@google.com>
4332
4333         * arm.cc (Arm_input_section::original_size): New method.
4334         (Arm_input_section::do_addralign): Add a cast.
4335         (Arm_input_section::do_output_offset): Remove static cast.
4336         (Arm_input_section::original_addralign,
4337          Arm_input_section::original_size_): Change type to uint32_t.
4338         (Arm_input_section::init): Add safe casts for section alignment
4339         and size.
4340         (Arm_input_section::set_final_data_size): Do not set address and
4341         offset of stub table.
4342         (Arm_output_section::fix_exidx_coverage): Change use of of
4343         Output_section::Simple_input_section to that of
4344         Output_section::Input_section.
4345         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4346         except for the first pass.
4347         * output.cc (Output_section::get_input_sections): Change type of
4348         input_sections to std::list<Input_section>.
4349         (Output_section::add_script_input_section): Rename from
4350         Output_section::add_simple_input_section.  Change type of SIS
4351         parameter from Simple_input_section to Input_section.
4352         * output.h (Output_section::Simple_input_section): Remove class.
4353         (Output_section::Input_section): Change class visibility to public.
4354         (Output_section::Input_section::addralign): Use stored alignments
4355         for special input sections if set.
4356         (Output_section::Input_section::set_addralign): New method.
4357         (Output_section::get_input_sections): Change parameter type from
4358         list of Simple_input_section to list of Input_section.
4359         (Output_section::add_script_input_section): Rename from
4360         Output_section::add_simple_input_section. Change first parameter's
4361         type from Simple_input_section to Input_section and remove the
4362         second and third parameters.
4363         * script-sections.cc (Input_section::Input_section_list): Change
4364         type to list of Output_section::Input_section/
4365         (Input_section_info::Input_section_info): Change parameter type of
4366         INPUT_SECTION to Output_section::Input_section.
4367         (Input_section_info::input_section): Change return type.
4368         (Input_section_info::input_section_): Change type to
4369         Output_section::Input_section.
4370         (Output_section_element_input::set_section_addresses): Adjust code
4371         to use Output_section::Input_section instead of
4372         Output_section::Simple_input_section.  Adjust code for renaming
4373         of Output_section::add_simple_input_section.
4374         (Orphan_output_section::set_section_addresses): Ditto.
4375
4376 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4377
4378         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4379         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4380
4381 2010-05-18  Rafael Espindola  <espindola@google.com>
4382
4383         * options.cc (General_options::finalize): Handle -nostdlib.
4384         * options.h (nostdlib): New option.
4385         * script.cc (script_add_search_dir): Handle -nostdlib.
4386
4387 2010-05-12  Doug Kwan  <dougkwan@google.com>
4388
4389         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4390         attributes section only if there no attributes section after merging.
4391         (Target_arm::merge_object_attributes): Move value of
4392         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4393         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4394         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4395         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4396         and arm_attr_merge_7.stdout.
4397         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4398         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4399         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4400         arm_attr_merge_7b.o): New rules.
4401         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4402         arm_attr_merge_7
4403         * testsuite/Makefile.in: Regenerate.
4404         * testsuite/arm_attr_merge.sh: New file.
4405         * testsuite/arm_attr_merge_[67][ab].s: Same.
4406
4407 2010-05-05  Nick Clifton  <nickc@redhat.com>
4408
4409         * po/es.po: Updated Spanish translation.
4410
4411 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4412
4413         * Makefile.am (install-exec-local): Properly install gold as
4414         default cross linker.
4415         * Makefile.in: Regenerated.
4416
4417 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4418             Nick Clifton  <nickc@redhat.com>
4419
4420         * configure.ac (install_as_default): Define and set to false
4421         unless --enable-gold or --enable-gold=both/gold has been
4422         specified.
4423         * configure: Regenerate.
4424
4425         * Makefile.am (install-exec-local): Install the executable as
4426         'ld.gold'.  If install_as_default is true then also install it as
4427         'ld'.
4428         * Makefile.in: Regenerated.
4429
4430 2010-04-24  Ian Lance Taylor  <iant@google.com>
4431
4432         * layout.cc (Layout::layout_reloc): In relocatable link don't
4433         combine reloc sections for grouped sections.
4434
4435 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4436
4437         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4438         sections that are not ordinary to icf.
4439         * icf.cc (get_section_contents): Handle relocation pointing to section
4440         with no object or shndx information.
4441         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4442         * testsuite/Makefile.in: Regenerate.
4443         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4444         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4445
4446 2010-04-22  Ian Lance Taylor  <iant@google.com>
4447
4448         * expression.cc (Expression::Expression_eval_info): Add
4449         result_alignment_pointer field.
4450         (Expression::eval_with_dot): Add result_alignment_pointer
4451         parameter.  Change all callers.
4452         (Expression::eval_maybe_dot): Likewise.
4453         (class Binary_expression): Add alignment_pointer parameter to
4454         left_value and right_value.  Change all callers.
4455         (BINARY_EXPRESSION): Set result alignment.
4456         (class Trinary_expression): Add alignment_pointer parameter to
4457         arg2_value and arg3_value.  Change all callers.
4458         (Trinary_cond::value): Set result alignment.
4459         (Max_expression::value, Min_expression::value): Likewise.
4460         (Align_expression::value): Likewise.
4461         * script-sections.cc (class Sections_element): Add dot_alignment
4462         parameter to set_section_addresses virtual function.  Update
4463         instantiations.
4464         (class Output_section_element): Likewise.
4465         (Script_sections::create_segments): Add dot_alignment parameter.
4466         Change all callers.
4467         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4468         (Script_sections::set_phdrs_clause_addresses): Likewise.
4469         * script-sections.h: Update declarations.
4470         * script.h: Update declarations.
4471         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4472         min_p_align.
4473         * testsuite/script_test_3.t: Set large alignment.
4474         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4475         segment has expected alignment.
4476
4477 2010-04-22  Nick Clifton  <nickc@redhat.com>
4478
4479         * po/gold.pot: Updated by the Translation project.
4480         * po/vi.po: Updated Vietnamese translation.
4481
4482 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4483
4484         * testsuite/Makefile.am (check_PROGRAMS): Add
4485         icf_virtual_function_folding_test.
4486         * testsuite/Makefile.in: Regenerated.
4487
4488 2010-04-15  Andrew Haley  <aph@redhat.com>
4489
4490         * options.h (merge_exidx_entries): New option.
4491         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4492         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4493         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4494         (Target_arm::merge_exidx_entries): New function.
4495         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4496         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4497         to Arm_exidx_fixup constructor.
4498         Add new arg, merge_exidx_entries.
4499         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4500         Arm_output_section::fix_exidx_coverage.
4501
4502 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4503
4504         * icf.cc (get_section_contents): Check for preemptible functions.
4505         Ignore addend when appropriate.
4506         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4507         section folded.
4508         (add_from_relobj): Check for section folded.
4509         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4510         * symtab.h (should_add_dynsym_entry): Add new parameter.
4511         * target-reloc.h (scan_relocs): Check for section folded.
4512         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4513         Check reloc types for function pointers in shared objects.
4514         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4515         case.
4516         (icf_preemptible_functions_test): New test case.
4517         (icf_string_merge_test): New test case.
4518         * testsuite.Makefile.in: Regenerate.
4519         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4520         bar_glob.  Refactor code.
4521         * testsuite/icf_preemptible_functions_test.cc: New file.
4522         * testsuite/icf_preemptible_functions_test.sh: New file.
4523         * testsuite/icf_string_merge_test.cc: New file.
4524         * testsuite/icf_string_merge_test.sh: New file.
4525         * testsuite/icf_virtual_function_folding_test.cc: New file.
4526         * testsuite/icf_virtual_function_folding_test.sh: New file.
4527
4528 2010-04-14  Doug Kwan  <dougkwan@google.com>
4529
4530         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4531         for local symbol recounting if we remove a section due to ICF.
4532         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4533         there are no regular objects in input.
4534
4535 2010-04-13  Doug Kwan  <dougkwan@google.com>
4536
4537         * arm.cc (Arm_input_section::set_final_data_size): Compute
4538         accurate final data size instead of using current data size.
4539
4540 2010-04-09  Doug Kwan  <dougkwan@google.com>
4541
4542         * layout.cc (Layout::choose_output_section): Handle script section
4543         types.
4544         (Layout::make_output_section_for_script): Add section type parameter.
4545         Handle script section types.
4546         * layout.h (Layout::make_output_section_for_script): Add section
4547         type parameter.
4548         * output.cc (Output_section::Output_section): Initialize data member
4549         is_noload_.
4550         (Output_section::do_reset_address_and_file_offset): Do not set address
4551         to 0 if section is a NOLOAD section.
4552         * output.h (Output_section::is_noload): New method.
4553         (Output_section::set_is_noload): Ditto.
4554         (Output_section::is_noload_): New data member.
4555         * script-c.h (Script_section_type): New enum type.
4556         (struct Parser_output_section_header): Add new file section_type.
4557         * script-sections.cc (Sections_element::output_section_name): Add
4558         parameter for returning script section type.
4559         (Output_section_definition::output_section_name): Ditto.
4560         (Output_section_definition::section_type)P; New method.
4561         (Output_section_definiton::script_section_type_name): Ditto.
4562         (Output_section_definition::script_section_type_): New data member.
4563         (Output_section_definition::Output_section_definition): Initialize
4564         data member Output_section_definition::script_section_type_.
4565         (Output_section_definition::create_sections): Pass script section type
4566         to Layout::make_output_section_for_script.
4567         (Output_section_definition::output_section_name): Return script
4568         section type to caller.
4569         (Output_section_definition::set_section_address): Do not advance
4570         dot value and load address if section type is NOLOAD.  Set address
4571         of NOLOAD sections regardless of section flags.
4572         (Output_section_definition::print): Print section type if it is
4573         not SCRIPT_SECTION_TYPE_NONE.
4574         (Output_section_definition::section_type): New method.
4575         (Output_section_definition::script_section_type_name): Ditto.
4576         (Script_sections::output_section_name): Add new parameter
4577         PSECTION_TYPE for returning script section type.  Pass it to
4578         section elements.  Handle discard sections.
4579         (Sort_output_sections::operator()): Handle NOLOAD sections.
4580         * script-sections.h (Script_sections::Section_type): New enum type.
4581         (Script_sections::output_section_name): Add a new parameter for
4582         returning script section type.
4583         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4584         INFO and NOLOAD.
4585         * yyscript.y (union): Add new field SECTION_TYPE.
4586         (COPY, DSECT, INFO, NOLOAD): New tokens.
4587         (opt_address_and_section_type): Change type to output_section_header.
4588         (section_type): New non-terminal
4589         (section_header): Handle section type.
4590         (opt_address_and_section_type): Return section type value.
4591
4592 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4593
4594         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4595         * testsuite/plugin_common_test_2.c (foo): Likewise.
4596
4597 2010-04-08  Doug Kwan  <dougkwan@google.com>
4598
4599         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4600         Output_merge_data.
4601         * output.cc (Output_section::add_merge_input_section): Simplify
4602         code and return status of Output_merge_base::add_input_section.
4603         Update merge section map only if Output_merge_base::add_input_section
4604         returns true.
4605
4606 2010-04-07  Doug Kwan  <dougkwan@google.com>
4607
4608         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4609         if section is marked as containing instructions but has no mapping
4610         symbols.
4611         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4612         correct section index.
4613         (Arm_relobj::find_linked_text_section): Ditto.
4614
4615 2010-04-07  Cary Coutant  <ccoutant@google.com>
4616
4617         * archive.cc (include_member): Destroy Read_symbols_data object before
4618         releasing file.
4619         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4620         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4621         (Read_symbols_data::~Read_symbols_data) New destructor.
4622         (Section_relocs::Section_relocs) New constructor.
4623         (Section_relocs::~Section_relocs) New destructor.
4624         (Read_relocs_data::Read_relocs_data) New constructor.
4625         (Read_relocs_data::~Read_relocs_data) New destructor.
4626         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4627         pointers to NULL after deleting.
4628
4629 2010-04-07  Doug Kwan  <dougkwan@google.com>
4630
4631         * arm.cc: Replace "endianity" with "endianness" in comments.
4632         (Arm_exidx_cantunwind): Ditto.
4633         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4634         (Arm_relobj::merge_flags_and_attributes): New method.
4635         (Arm_relobj::merge_flags_and_attributes_): New data member.
4636         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4637         (Arm_relobj::scan_sections_for_stubs): Ditto.
4638         (Arm_relobj::do_read_symbols): Check to see if we really want to
4639         merge processor-specific flags and attributes.  Exit early if
4640         an object is empty except for section names and the undefined symbol.
4641         (Target_arm::do_finalize_sections): Move check for ELF format to
4642         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4643         attributes from a regular object only when we have determined that
4644         it is aapropriate.  Do not create an .ARM.attributes section in
4645         output if there is no regular input object.
4646         (Target_arm::merge_processor_specific_flags): Check
4647         --warn-mismatch before printing any error.
4648         (Target_arm::merge_object_attributes): Ditto.
4649         * gold.cc (queue_middle_tasks): Handle the case in which there is
4650         no regular object in input.
4651         * options.cc (General_options::parse_EB): New method.
4652         (General_options::parse_EL): Same.
4653         (General_options::General_options): Initialize endianness_.
4654         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4655         New options.
4656         (General_options::Endianness): New enum.
4657         (General_options::endianness): New method.
4658         (General_options::endianness_): New data member.
4659         * parameters.cc (Parameters::set_options): Check target endianness.
4660         (Parameters::set_target_once): Ditto.
4661         (Parameters::check_target_endianness): New method.
4662         (parameters_force_valid_target): If either -EL or -EB is specified,
4663         use it to define endianness of default target.
4664         * parameters.h (Parameters::check_target_endianness): New method
4665         declaration.
4666         * target.h (class Target): Change "endianity" to "endianness"
4667         in comments.
4668
4669 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4670
4671         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4672         * configure: Regenerate.
4673         * Makefile.in: Regenerate.
4674         * testsuite/Makefile.in: Regenerate.
4675
4676 2010-04-06  Cary Coutant  <ccoutant@google.com>
4677
4678         gcc PR lto/42757
4679         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4680         prevailing definitions of common symbols.
4681         * testsuite/plugin_test_6.sh: New test case.
4682         * testsuite/plugin_common_test_1.c: New test case.
4683         * testsuite/plugin_common_test_2.c: New test case.
4684         * testsuite/Makefile.am (plugin_test_6): New test case.
4685         * testsuite/Makefile.in: Regenerate.
4686
4687 2010-04-06  Nick Clifton  <nickc@redhat.com>
4688
4689         * po/vi.po: New Vietnamese translation.
4690
4691 2010-03-30  Doug Kwan  <dougkwan@google.com>
4692
4693         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4694
4695 2010-03-25  Doug Kwan  <dougkwan@google.com>
4696
4697         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4698         to avoid a conversion warning on a 32-bit host.
4699
4700 2010-03-24  Ian Lance Taylor  <iant@google.com>
4701
4702         * testsuite/script_test_3.t: Add a TLS segment.
4703         * testsuite/Makefile.am (check_PROGRAMS): Add
4704         tls_phdrs_script_test.
4705         (tls_phdrs_script_test_SOURCES): Define.
4706         (tls_phdrs_script_test_DEPENDENCIES): Define.
4707         (tls_phdrs_script_test_LDFLAGS): Define.
4708         (tls_phdrs_script_test_LDADD): Define.
4709         * testsuite/Makefile.in: Rebuild.
4710
4711 2010-03-23  Cary Coutant  <ccoutant@google.com>
4712
4713         * fileread.cc (find_or_make_view): Fix comment.
4714
4715 2010-03-23  Ian Lance Taylor  <iant@google.com>
4716
4717         * script-sections.cc (class Orphan_section_placement): Define
4718         PLACE_TLS and PLACE_TLS_BSS.
4719         (Orphan_section_placement::Orphan_section_placement): Initialize
4720         new places.
4721         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4722         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4723         (tls_script_test_SOURCES): Define.
4724         (tls_script_test_DEPENDENCIES): Define.
4725         (tls_script_test_LDFLAGS): Define.
4726         (tls_script_test_LDADD): Define.
4727         * testsuite/Makefile.in: Rebuild.
4728
4729 2010-03-22  Doug Kwan  <dougkwan@google.com>
4730
4731         * arm.cc (Arm_relocate_functions::abs8,
4732         Arm_relocate_functions::abs16): Use correct check for overflow
4733         specified in the ARM ELF specs.
4734         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4735         target of a BLX instruction specially.
4736         (Reloc_stub::stub_type_for_reloc): Ditto.
4737         (Relocate::relocate): Use symbolic names instead of numeric relocation
4738         codes to report error.
4739         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4740         workaround.
4741         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4742         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4743         thumb2_blx_out_of_range.stdout
4744         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4745         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4746         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4747         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4748         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4749         thumb2_blx_in_range, thumb2_blx_in_range.o,
4750         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4751         thumb2_blx_out_of_range.o): New rules.
4752         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4753         thumb2_blx_in_range and thumb2_blx_out_of_range.
4754         * testsuite/Makefile.in: Regenerate.
4755         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4756         * testsuite/thumb_blx_in_range.s: New file.
4757         * testsuite/thumb_blx_out_of_range.s: New file.
4758
4759 2010-03-22  Rafael Espindola  <espindola@google.com>
4760
4761         * archive.cc (Should_include): Move to archive.h.
4762         (should_include_member): Make it a member of Archive.
4763         (Lib_group): New.
4764         (Add_lib_group_symbols): New.
4765         * archive.h: Include options.h.
4766         (Archive_member): Moved from Archive.
4767         (Should_include): Moved from archive.cc.
4768         (Lib_group): New.
4769         (Add_lib_group_symbols): New.
4770         * dynobj.cc (do_should_include_member): New.
4771         * dynobj.h (do_should_include_member): New.
4772         * gold.cc (queue_initial_tasks): Update call to queue.
4773         * main.cc (main): Print lib group stats.
4774         * object.cc (do_should_include_member): New.
4775         * object.h: Include archive.h.
4776         (Object::should_include_member): New.
4777         (Object::do_should_include_member): New.
4778         (Sized_relobj::do_should_include_member): New.
4779         * options.cc (General_options::parse_start_lib): New.
4780         (General_options::parse_end_lib): New.
4781         (Input_arguments::add_file): Handle lib groups.
4782         (Input_arguments::start_group): Check we are not in a lib.
4783         (Input_arguments::start_lib): New.
4784         (Input_arguments::end_lib): New.
4785         * options.h (General_options): Add start_lib and end_lib.
4786         (Input_argument::lib_): New.
4787         (Input_argument::lib): New.
4788         (Input_argument::is_lib): New.
4789         (Input_file_lib): New.
4790         (Input_arguments::in_lib_): New.
4791         (Input_arguments::in_lib): New.
4792         (Input_arguments::start_lib): New.
4793         (Input_arguments::end_lib_): New.
4794         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4795         in unused members as preempted.
4796         (Sized_pluginobj::do_should_include_member): New.
4797         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4798         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4799         return the blocker.
4800         (Read_symbols::do_whole_lib_group): New.
4801         (Read_symbols::do_lib_group): New.
4802         (Read_symbols::do_read_symbols): Handle lib groups.
4803         (Read_symbols::get_name): Handle lib groups.
4804         * readsyms.h (Read_symbols): Add an archive member pointer.
4805         (Read_symbols::do_whole_lib_group): New.
4806         (Read_symbols::do_lib_group): New.
4807         (Read_symbols::member_): New.
4808         * script.cc (read_input_script): Update call to queue_soon.
4809
4810 2010-03-19  Doug Kwan  <dougkwan@google.com>
4811
4812         * arm.cc (Stub_table::Stub_table): Initialize new data members
4813         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4814         (Stub_table::add_reloc_stub): Assign stub offset and update
4815         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4816         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4817         New data members.
4818         (Stub_table::update_data_size_and_addralign): Use
4819         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4820         instead of going over all reloc stubs.
4821         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4822         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4823         Stringpool_template::offset_ to size of Stringpool_char.
4824         (Stringpool_template::new_key_offset): Remove code to initialize
4825         Stringpool_template::offset_.
4826         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4827         Stringpool_template::offset_ to zero.
4828
4829 2010-03-15  Doug Kwan  <dougkwan@google.com>
4830
4831         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4832         offset_.
4833         (Stringpool_template::new_key_offset): New method.
4834         (Stringpool_template::add_string): Assign offsets when adding new
4835         strings.
4836         (Stringpool_template::set_string_offsets): Do not set string offsets
4837         when not optimizing.
4838         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4839         member size_.
4840         (Chunked_vector::clear): Clear size_.
4841         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4842         (Chunked_vector::size): Return size_.
4843         (Chunked_vector::push_back): Use size_ to find insert position.
4844         (Chunked_vector::size_): New data member.
4845         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4846         (Stringpool_template::new_key_offset): New method declaration.
4847         (Stringpool_template::offset_): New data member.
4848
4849 2010-03-15   Rafael Espindola  <espindola@google.com>
4850
4851         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4852         Add_symbols' constructor.
4853         * readsyms.h (Add_symbols): Remove the input_group member.
4854
4855 2010-03-10  Ian Lance Taylor  <iant@google.com>
4856
4857         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4858         target to ask whether a reference to a symbol requires a stack
4859         split.
4860         * target.h (Target::is_call_to_non_split): New function.
4861         (Target::do_is_call_to_non_split): Declare virtual function.
4862         * target.cc: Include "symtab.h".
4863         (Target::do_is_call_to_non_split): New function.
4864         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4865
4866 2010-03-10  Cary Coutant  <ccoutant@google.com>
4867
4868         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4869         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4870         (File_read::open[2]): Add whole_file_view_ to list of views.
4871         (File_read::make_view): Remove test of whole_file_view_.
4872         (File_read::find_or_make_view): Create whole_file_view_ if
4873         necessary.
4874         (File_read::clear_views): Replace bool parameter with enum;
4875         adjust all callers.  Don't delete views with permanent data;
4876         do delete cached views and views from archives if
4877         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4878         if clearing the corresponding view.
4879         * fileread.h (File_read::Clear_views_mode): New enum.
4880         (File_read::View::is_permanent_view): New method.
4881         (File_read::clear_views): Replace bool parameter
4882         with enum; adjust all callers.
4883         * options.h (General_options): Change keep_files_mapped option;
4884         add map_whole_files.
4885         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4886         releasing the file.
4887         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4888         the file.
4889
4890 2010-03-10  David S. Miller  <davem@davemloft.net>
4891
4892         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4893
4894 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4895
4896         * icf.cc (get_section_contents): Add '@' marker after processing the
4897         merge reloc.
4898
4899 2010-03-08  Doug Kwan  <dougkwan@google.com>
4900
4901         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4902         due to a conversion warning.
4903         (Arm_relobj::update_output_local_symbol_count): Check for local
4904         symbol with unset output index.
4905
4906 2010-03-05  Ian Lance Taylor  <iant@google.com>
4907
4908         * options.h (class General_options): Add --spare-dynamic-tags.
4909         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4910         --spare-dynamic-tags.
4911
4912 2010-03-05  Ian Lance Taylor  <iant@google.com>
4913
4914         * incremental.cc: Include "libiberty.h".
4915
4916 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4917
4918         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4919         function, is_info_ member.
4920         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4921         (Versions::Versions): Update caller.
4922         (Versions::define_base_version): Likewise.
4923         (Versions::add_def): Likewise.
4924
4925 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4926
4927         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4928         (Scan::possible_function_pointer_reloc): New function.
4929         (Scan::local_reloc_may_be_function_pointer): Change to call
4930         possible_function_pointer_reloc.
4931         (Scan::global_reloc_may_be_function_pointer): Ditto.
4932         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4933         relocations in ".data.rel.ro._ZTV" section.
4934         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4935         * testsuite/icf_safe_so_test.cc: Ditto.
4936         * testsuite/icf_safe_test.cc: Ditto.
4937         * testsuite/icf_safe_test.sh: Ditto.
4938
4939 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4940             Ian Lance Taylor  <iant@google.com>
4941
4942         * target-reloc.h (relocate_section): Check the symbol table index
4943         for -1U before setting the local symbol index.
4944         (scan_relocatable_relocs): If copying the relocation, record that
4945         the local symbol is required.
4946         * object.h (Symbol_value::is_output_symtab_index_set): New
4947         function.
4948         (Symbol_value::may_be_discarded_from_output_symtab): New
4949         function.
4950         (Symbol_value::has_output_symtab_entry): New function.
4951         (Symbol_value::needs_output_symtab_entry): Remove.
4952         (Symbol_value::output_symtab_index): Make sure the symbol index is
4953         set.
4954         (Symbol_value::set_output_symtab_index): Make sure the symbol
4955         index is not set.  Make sure the new index is valid.
4956         (Symbol_value::set_must_have_output_symtab_entry): New function.
4957         (Symbol_value::has_output_dynsym_entry): New function.
4958         (Symbol_value::set_output_dynsym_index): Make sure the new index
4959         is valid.
4960         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4961         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4962         local symbol if permitted.
4963         (Sized_relobj::do_finalize_local_symbols): Call
4964         is_output_symtab_index_set rather than needs_output_symtab_entry.
4965         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4966         rather than needs_output_symtab_entry.  Call
4967         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4968         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4969         is_output_symtab_index_set rather than needs_output_symtab_entry.
4970         * testsuite/discard_locals_relocatable_test.c: New file.
4971         * testsuite/discard_locals_test.sh: Test -r.
4972         * testsuite/Makefile.am (check_DATA): Add
4973         discard_locals_relocatable_test1.syms,
4974         discard_local_relocatable_test2.syms.
4975         (MOSTLYCLEANFILES): Likewise.  Also add
4976         discard_locals_relocatable_test1.lout and
4977         discard_locals_relocatable_test2.out.
4978         (discard_locals_relocatable_test1.syms): New target.
4979         (discard_locals_relocatable_test.o): New target.
4980         (discard_locals_relocatable_test1.out): New target.
4981         (discard_locals_relocatable_test2.syms): New target.
4982         (discard_locals_relocatable_test2.out): New target.
4983         (various): Add missing ../ld-new dependencies.
4984         * testsuite/Makefile.in: Rebuild.
4985
4986 2010-03-03  Nick Clifton  <nickc@redhat.com>
4987
4988         * po/fi.po: New Finnish translation.
4989
4990 2010-03-01  Doug Kwan  <dougkwan@google.com>
4991
4992         * layout.cc (Layout::Layout): Force section types of .init_array*,
4993         .preinit_array* and .fini_array* sections.
4994         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4995         Fix check of return value of std::string::find.().
4996         (Output_section::Input_section_sort_compare::operator()): Remove
4997         comment about .init_array.
4998         (Output_section::Input_section_sort_init_fini_compare::operator()):
4999         New method.
5000         (Output_section::sort_attached_input_sections): Handle .init_array
5001         and .fini_array specially.
5002         * output.h (Output_section::Inut_section_sort_compare): Update
5003         comment.
5004         (Output_section::Input_section_sort_init_fini_compare): New struct.
5005
5006 2010-02-26  Doug Kwan  <dougkwan@google.com>
5007
5008         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5009         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5010         * testsuite/debug_msg.sh: Avoid matching source line number for
5011         use of global variable undef_int.
5012
5013 2010-02-26  Doug Kwan  <dougkwan@google.com>
5014
5015         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5016         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5017         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5018         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5019         * options.cc (General_options::General_options): Initialize member
5020         fix_v4bx_.
5021         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5022         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5023         and rm_no_fix_v4bx.stdout
5024         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5025         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5026         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5027         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5028         and arm_no_fix_v4bx.
5029         * Makefile.in: Regenerate.
5030         * testsuite/arm_fix_v4bx.s: New file.
5031         * testsuite/arm_fix_v4bx.sh: Ditto.
5032
5033 2010-02-24  Doug Kwan  <dougkwan@google.com>
5034
5035         * arm.cc (Target_arm::got_section): Make the .got section the first
5036         non RELRO section in the data segment.
5037         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5038         suffixes of section names.
5039
5040 2010-02-24  Doug Kwan  <dougkwan@google.com>
5041
5042         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5043         flags and attributes merging if an input file is a binary file.
5044         * fileread.cc (Input_file::open): Record format of original file.
5045         * fileread.h (Input_file::Format): New enum type.
5046         (Input_file::Input_file): Initialize data member format_.
5047         (Input_file::format): New method definition.
5048         (Input_file::format_):: New data member.
5049
5050 2010-02-24  Doug Kwan  <dougkwan@google.com>
5051
5052         * arm.cc (Arm_output_data_got): New class.
5053         (ARM_TCB_SIZE): New constant
5054         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5055         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5056         If user uses a script with a SECTIONS clause, issue only a warning
5057         for a misplaced EXIDX input section.  Otherwise, issue an error.
5058         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5059         garbage collection.
5060         (Target_arm::got_mode_index_entry): Handle static linking.
5061         (Target_arm::Scan::local): Ditto.
5062         (Target_arm::Scan::global): Ditto.
5063         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5064         all incorrectly implemented relocations.
5065         (Target_arm::fix_exidx_coverage): Pass layout to
5066         Arm_output_section::fix_exidx_coverage.
5067         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5068         from ".ARM.exidx." and ".ARM.extab.".
5069
5070 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5071
5072         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5073         section if it does not already exist.
5074         * attributes.cc (Attributes_section_data::Attributes_section_data):
5075         Don't crash if size is zero.
5076
5077 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5078             Ian Lance Taylor  <iant@google.com>
5079
5080         * gold.cc (queue_middle_tasks): If no input files were opened,
5081         exit.
5082         * workqueue.h (Task_function::Task_function): Assert that there is
5083         a blocker.
5084
5085 2010-02-22  Doug Kwan  <dougkwan@google.com>
5086
5087         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5088         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5089         types to avoid warnings due to different uint64_t implementations
5090         on different hosts.
5091
5092 2010-02-21  Doug Kwan  <dougkwan@google.com>
5093
5094         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5095         handling of the maximum backward branch offset.
5096         (Arm_relocate_functions::thumb_branch_common): Ditto.
5097         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5098         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5099         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5100         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5101         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5102         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5103         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5104         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5105         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5106         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5107         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5108         thumb2_bl_out_of_range.o): New rules.
5109         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5110         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5111         thumb2_bl_out_of_range
5112         * testsuite/Makefile.in: Regenerate.
5113         * testsuite/arm_bl_in_range.s: New file.
5114         * testsuite/arm_bl_out_of_range.s: Ditto.
5115         * testsuite/arm_branch_in_range.sh: Ditto.
5116         * testsuite/arm_branch_range.t: Ditto.
5117         * testsuite/thumb2_branch_range.t: Ditto.
5118         * testsuite/thumb_bl_in_range.s: Ditto.
5119         * testsuite/thumb_bl_out_of_range.s: Ditto.
5120         * testsuite/thumb_branch_range.t: Ditto.
5121
5122 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5123
5124         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5125         Add reloc offset information.
5126         * icf.cc (get_section_contents): Change iterators to point to the new
5127         vectors. Add reloc offset information to the contents.
5128         * icf.h (Icf::Sections_reachable_info): New typedef.
5129         (Icf::Sections_reachable_list): New typedef.
5130         (Icf::Offset_info): New typedef.
5131         (Icf::Reloc_info): New struct typedef.
5132         (Icf::Reloc_info_list): New typedef.
5133         (Icf::symbol_reloc_list): Delete method.
5134         (Icf::addend_reloc_list): Delete method.
5135         (Icf::section_reloc_list): Delete method.
5136         (Icf::reloc_info_list): New method.
5137         (Icf::reloc_info_list_): New member.
5138
5139 2010-02-19  Doug Kwan  <dougkwan@google.com>
5140
5141         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5142         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5143         * arm.cc (Arm_relocation_functions): New forward declaration.
5144         (Target_arm::Target_arm): Initialize new data members
5145         got_mod_index_offset_ and tls_base_symbol_defined_.
5146         (Target_arm::Relocate::relocate_tls): New method.
5147         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5148          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5149         New methods.
5150         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5151         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5152         (Target_arm::got_mod_index_offset_,
5153         Target_arm::tls_base_symbol_defined_): New data members.
5154         (Target_arm::Scan::local, Target::Scan::global,
5155         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5156         relocations.
5157
5158 2010-02-18  Doug Kwan  <dougkwan@google.com>
5159
5160         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5161         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5162         text section as a parameter becuase some broken tools may not set
5163         the link in section header.
5164         (Target_arm::has_got_section): New method.
5165         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5166         without any mapping symbol as data only.  Remove warning.
5167         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5168         link in its section header, try to discover the link by inspecting the
5169         REL31 relocation at the beginning of the section.
5170         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5171         in error message.
5172         (Target_arm::Scan::global): Treat any reference to the symbol
5173         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5174
5175 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5176
5177         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5178         (Scan::global_reloc_may_be_function_pointer): New function.
5179         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5180         (Scan::global_reloc_may_be_function_pointer): New function.
5181         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5182         (Scan::global_reloc_may_be_function_pointer): New function.
5183         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5184         (Scan::global_reloc_may_be_function_pointer): New function.
5185         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5186         (Scan::global_reloc_may_be_function_pointer): New function.
5187         (Scan::possible_function_pointer_reloc): New function.
5188         (Target_x86_64::can_check_for_function_pointers): New function.
5189         * gc.h (gc_process_relocs): Scan relocation types to determine if
5190         function pointers were taken for targets that support it.
5191         * icf.cc (Icf::find_identical_sections): Include functions for
5192         folding in safe ICF whose pointer is not taken.
5193         * icf.h (Secn_fptr_taken_set): New typedef.
5194         (fptr_section_id_): New member.
5195         (section_has_function_pointers): New function.
5196         (set_section_has_function_pointers): New function.
5197         (check_section_for_function_pointers): New function.
5198         * options.h: Fix comment for safe ICF option.
5199         * target.h (can_check_for_function_pointers): New function.
5200         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5201         Modify icf_safe_test for X86-64.
5202         * testsuite/Makefile.in: Regenerate.
5203         * testsuite/icf_safe_so_test.cc: New file.
5204         * testsuite/icf_safe_so_test.sh: New file.
5205         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5206         (main): Change to take pointer to function kept_func_3.
5207         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5208         folding is done correctly for X86-64.
5209
5210 2010-02-12  David S. Miller  <davem@davemloft.net>
5211
5212         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5213         is_symbolless parameter.
5214         (Output_reloc<SHT_REL>::is_symbolless): New.
5215         (Output_reloc<SHT_REL>::is_symbolless_): New.
5216         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5217         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5218         (Output_reloc<SHT_RELA>::is_symbolless): New.
5219         (Output_data_reloc::add_global): Handle is_symbolless.
5220         (Output_data_reloc::add_global_relative): Likewise.
5221         (Output_data_reloc::add_local): Likewise.
5222         (Output_data_reloc::add_local_relative): Likewise.
5223         (Output_data_reloc::add_symbolless_global_addend): New.
5224         (Output_data_reloc::add_symbolless_local_addend): New.
5225         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5226         is_symbolless.
5227         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5228         instead of ->is_relative_
5229         (Output_reloc::write): Likewise.
5230         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5231         (Output_reloc::write_rel): Simplify.
5232
5233         * sparc.cc (Target_sparc::Scan::local): Use
5234         ->add_symbolless_local_addend as needed.
5235         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5236         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5237         based upon relocation offset.
5238
5239 2010-02-11  Doug Kwan  <dougkwan@google.com>
5240
5241         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5242         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5243         beginning of function.
5244         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5245         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5246         parameter is_32bit in calls to should_apply_static_reloc.
5247         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5248         (check_DATA): Add arm_abs_global.stdout.
5249         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5250         arm_abs_global.stdout): New rules.
5251         (MOSTLLYCLEANFILES): Add arm_abs_global
5252         * Makefile.in: Regenerate.
5253         * testsuite/arm_abs_global.s: New file.
5254         * testsuite/arm_abs_global.sh: Ditto.
5255         * testsuite/arm_abs_lib.s: Ditto.
5256
5257 2010-02-11  Ian Lance Taylor  <iant@google.com>
5258
5259         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5260         Read_relocs task.
5261         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5262         Allocate_commons_task first.
5263         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5264         task, rather than symtab_lock_.
5265         (Gc_process_relocs::~Gc_process_relocs): New function.
5266         (Gc_process_relocs::is_runnable): Check this_blocker_.
5267         (Gc_process_relocs::locks): Use next_blocker_ rather than
5268         blocker_.
5269         (Scan_relocs::~Scan_relocs): New function.
5270         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5271         symtab_lock_.
5272         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5273         next_blocker_.
5274         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5275         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5276         constructor accordingly.
5277         (class Gc_process_relocs): Likewise.
5278         (class Scan_relocs): Likewise.
5279         * common.h (class Allocate_commons_task): Remove symtab_lock_
5280         field, and corresponding constructor parameter.
5281         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5282         symtab_lock_.
5283         (Allocate_commons_task::locks): Likewise.
5284
5285 2010-02-11  Ian Lance Taylor  <iant@google.com>
5286
5287         * gold-threads.h (class Once): Define.
5288         (class Initialize_lock): Rewrite as child of Once.
5289         * gold-threads.cc (class Once_initialize): Define.
5290         (once_pointer_control): New static variable.
5291         (once_pointer, once_arg): New static variables.
5292         (c_run_once): New static function.
5293         (Once::Once, Once::run_once, Once::internal_run): New functions.
5294         (class Initialize_lock_once): Remove.
5295         (initialize_lock_control): Remove.
5296         (initialize_lock_pointer): Remove.
5297         (initialize_lock_once): Remove.
5298         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5299         (Initialize_lock::initialize): Rewrite.
5300         (Initialize_lock::do_run_once): New function.
5301         * archive.cc (Archive::interpret_header): Only clear name if it is
5302         not already empty.
5303         * fileread.cc: Include "gold-threads.h"
5304         (file_counts_lock): New static variable.
5305         (file_counts_initialize_lock): Likewise.
5306         (File_read::release): Only increment counts when using --stats.
5307         Use a lock around the increment.
5308         * parameters.cc (class Set_parameters_target_once): Define.
5309         (set_parameters_target_once): New static variable.
5310         (Parameters::Parameters): Move here from parameters.h.
5311         (Parameters::set_target): Rewrite.
5312         (Parameters::set_target_once): New function.
5313         (Parameters::clear_target): Move here and rewrite.
5314         * parameters.h (class Parameters): Update declarations.  Add
5315         set_parameters_target_once_ field.
5316         (Parameters::Parameters): Move to parameters.cc.
5317         (Parameters::clear_target): Likewise.
5318         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5319         task.
5320         (Start_group::~Start_group): New function.
5321         (Start_group::is_runnable): New function.
5322         (Start_group::locks, Start_group::run): New functions.
5323         (Finish_group::run): Change saw_undefined to size_t.
5324         * readsyms.h (class Start_group): Define.
5325         (class Finish_group): Change saw_undefined_ field to size_t.
5326         (Finish_group::Finish_group): Remove saw_undefined and
5327         this_blocker parameters.  Change all callers.
5328         (Finish_group::set_saw_undefined): New function.
5329         (Finish_group::set_blocker): New function.
5330         * symtab.h (class Symbol_table): Change saw_undefined to return
5331         size_t.  Change saw_undefined_ field to size_t.
5332         * target-select.cc (Set_target_once::do_run_once): New function.
5333         (Target_selector::Target_selector): Initialize set_target_once_
5334         field.  Don't initialize lock_ and initialize_lock_ fields.
5335         (Target_selector::instantiate_target): Rewrite.
5336         (Target_selector::set_target): New function.
5337         * target-select.h (class Set_target_once): Define.
5338         (class Target_selector): Update declarations.  Make
5339         Set_target_once a friend.  Remove lock_ and initialize_lock_
5340         fields.  Add set_target_once_ field.
5341
5342 2010-02-10  Ian Lance Taylor  <iant@google.com>
5343
5344         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5345         queueing any tasks.
5346         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5347         (queue_middle_tasks): Add all blockers before queueing any tasks.
5348         (queue_final_tasks): Likewise.
5349         * token.h (Task_token::add_blockers): New function.
5350         * object.h (Input_objects::number_of_relobjs): New function.
5351
5352 2010-02-10  Ian Lance Taylor  <iant@google.com>
5353
5354         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5355         shared, not if not position independent.
5356         * x86_64.cc (Relocate::relocate_tls): Likewise.
5357         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5358         (tls_pie_pic_test): New target.
5359         * testsuite/Makefile.in: Rebuild.
5360
5361         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5362         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5363         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5364         * testsuite/Makefile.in: Rebuild.
5365
5366 2010-02-09  David S. Miller  <davem@davemloft.net>
5367
5368         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5369         R_SPARC_RELATIVE using ->add_local_relative().
5370         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5371
5372         * output.h (Output_data_dynamic::add_section_size): New method
5373         that takes two Output_data objects.
5374         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5375         entry param.  Handle it in initializers.
5376         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5377         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5378         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5379         arg.
5380         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5381         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5382         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5383         for dynrel_includes_plt.
5384         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5385         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5386         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5387         before .rela.plt
5388         (Target_sparc::do_finalize_sections): Update to pass true for
5389         dynrel_includes_plt.
5390         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5391         output before .rela.plt
5392         (Target_powerpc::do_finalize_sections): Update to pass true for
5393         dynrel_includes_plt when 32-bit.
5394
5395 2010-02-08  Doug Kwan  <dougkwan@google.com>
5396
5397         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5398         method.
5399         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5400         Arm_relobj::scan_section_for_cortex_a8_stubs,
5401         Arm_relobj::do_relocation_section): Instead of calling
5402         Output_section::output_address, use faster
5403         Arm_relobj::simple_input_section_output_address.
5404
5405 2010-02-08  David S. Miller  <davem@davemloft.net>
5406
5407         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5408         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5409         relocation helper function.
5410
5411         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5412         just like R_SPARC_GOT{10,13,22}.
5413         (Target_sparc::Scan::local): Likewise.
5414         (Target_sparc::Relocate:relocate): Likewise.
5415
5416 2010-02-06  Ian Lance Taylor  <iant@google.com>
5417
5418         * configure.ac: Rewrite targetobjs duplicate removal code to use
5419         only shell constructs.
5420         * configure: Rebuild.
5421
5422 2010-02-05  Doug Kwan  <dougkwan@google.com>
5423
5424         PR 11247
5425         * arm.cc (Arm_relobj::section_is_scannable): New method.
5426         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5427         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5428
5429 2010-02-04  Doug Kwan  <dougkwan@google.com>
5430
5431         PR 11247
5432         * arm-reloc-property.cc (cstdio): Include.
5433         * configure.ac (targetobjs): Remove duplicates.
5434         * configure: Regenerate.
5435         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5436         big and little endian version for a given address size.
5437
5438 2010-02-03  Doug Kwan  <dougkwan@google.com>
5439
5440         * arm-reloc-property.cc
5441         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5442         definition.
5443         * arm-reloc-property.h
5444         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5445         New method definition.
5446         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5447         declaration.
5448         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5449         overflow to N.
5450         (GOT_PREL): Change implemented to Y.
5451         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5452         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5453         (Arm_relocate_functions::movw_abs_nc): Remove method.
5454         (Arm_relocate_functions::movt_abs): Ditto.
5455         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5456         (Arm_relocate_functions::thm_movt_abs): Ditto.
5457         (Arm_relocate_functions::movw_rel_nc): Ditto.
5458         (Arm_relocate_functions::movw_rel): Ditto.
5459         (Arm_relocate_functions::movt_rel): Ditto.
5460         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5461         (Arm_relocate_functions:thm_movw_rel): Ditto.
5462         (Arm_relocate_functions:thm_movt_rel): Ditto.
5463         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5464         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5465         New method definitions.
5466         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5467         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5468         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5469         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5470         (Target_arm::Relocate::relocate): Check for non-static or
5471         unimplemented relocation code and exit early.  Change calls to
5472         Target_arm::reloc_uses_thumb_bit and
5473         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5474         instead.  Refactor code to handle similar relocations to increase
5475         code sharing.  Remove check for unsupported relocation code in switch
5476         statement.
5477         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5478         relocation property table to find out size.  Change error message to
5479         print out the name of a relocation code instead of the numeric value.
5480         (Target_arm::scan_reloc_for_stub): Use relocation property table
5481         instead of calling Target_arm::reloc_uses_thumb_bit().
5482
5483 2010-02-02  Doug Kwan  <dougkwan@google.com>
5484
5485         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5486         types of relaxed input section.
5487
5488 2010-02-02  Doug Kwan  <dougkwan@google.com>
5489
5490         * Makefile.am (HFILES): Add arm-reloc-property.h.
5491         (DEFFILES): New.
5492         (TARGETSOURCES): Add arm-reloc-property.cc
5493         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5494         (libgold_a_SOURCES): $(DEFFILES)
5495         * Makefile.in: Regenerate.
5496         * arm-reloc-property.cc: New file.
5497         * arm-reloc-property.h: New file.
5498         * arm-reloc.def: New file.
5499         * arm.cc: Update comments.
5500         (arm-reloc-property.h): New included header.
5501         (arm_reloc_property_table): New global variable.
5502         (Target_arm::do_select_as_default_target): New method definition.
5503         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5504         arm-reloc-property to targ_extra_obj.
5505         * parameters.cc (set_parameters_target): Call
5506         Target::select_as_default_target().
5507         * target.h (Target::select_as_default_target): New method definition.
5508         (Target::do_select_as_default_target): Same.
5509
5510 2010-02-01  Doug Kwan  <dougkwan@google.com>
5511
5512         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5513         first_output_text_section_.
5514         (Arm_exidx_fixup::first_output_text_section): New method definition.
5515         (Arm_exidx_fixup::first_output_text_section_): New data member.
5516         (Arm_exidx_fixup::process_exidx_section): Record the first text
5517         output section seen.
5518         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5519         and entsize in output section header.
5520
5521 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5522
5523         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5524         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5525         (Arm_relocate_functions::thm_alu11): New Method.
5526         (Arm_relocate_functions::thm_pc8): New Method.
5527         (Arm_relocate_functions::thm_pc12): New Method.
5528         (Target_arm::Scan::local): Handle the relocations.
5529         (Target_arm::Scan::global): Likewise.
5530         (Target_arm::Relocate::relocate): Likewise.
5531         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5532
5533 2010-01-29  Doug Kwan  <dougkwan@google.com>
5534
5535         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5536         of relocation types as ld.
5537
5538 2010-01-29  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5541         to public.
5542         (Arm_relocate_functions::thumb_branch_common): Ditto.
5543         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5544         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5545         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5546         Arm_relocate_functions::jump24): Remove.
5547         (Target_arm::Relocate::relocate): Adjust code to call
5548         Arm_relocation_functions::arm_branch_common and
5549         Arm_relocation_functions::thumb_branch_common instead of their removed
5550         wrappers.  Merge switch-cases together to reduce source code size.
5551
5552 2010-01-29  Doug Kwan  <dougkwan@google.com>
5553
5554         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5555         output_local_symbol_count_needs_update_.
5556         (Arm_relobj::output_local_symbol_count_needs_update,
5557          Arm_relobj::set_output_local_symbol_count_needs_update,
5558          Arm_relobj::update_output_local_symbol_count): New methods.
5559         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5560         member.
5561         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5562         of pointed function as in a R_ARM_PREL31 relocation.
5563         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5564         for output local symbol count updating.
5565         (Target_arm::do_relax): Update output local symbol counts in objects
5566         if necessary.
5567         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5568
5569 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5570
5571         * arm.cc: Added support for the ARM relocations:
5572         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5573         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5574         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5575         movw_prel_nc).
5576         (Arm_relocate_functions::movw_rel): New method.
5577         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5578         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5579         thm_movw_prel_nc).
5580         (Arm_relocate_functions::thm_movw_rel): New method.
5581         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5582         thm_movt_prel).
5583         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5584         relocations.
5585         (Target_arm::Scan::global): Likewise.
5586         (Target_arm::Relocate::relocate): Likewise.
5587         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5588         Likewise.
5589
5590 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5591
5592         * arm.cc: Added support for ARM group relocations.
5593         (Target_arm::reloc_needs_sym_origin): New method.
5594         (Arm_relocate_functions::calc_grp_kn): New method.
5595         (Arm_relocate_functions::calc_grp_residual): New method.
5596         (Arm_relocate_functions::calc_grp_gn): New method.
5597         (Arm_relocate_functions::arm_grp_alu): New Method.
5598         (Arm_relocate_functions::arm_grp_ldr): New Method.
5599         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5600         (Arm_relocate_functions::arm_grp_ldc): New Method.
5601         (Target_arm::Scan::local): Handle the ARM group relocations.
5602         (Target_arm::Scan::global): Likewise.
5603         (Target_arm::Relocate::relocate): Likewise.
5604         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5605         Likewise.
5606
5607 2010-01-26  Doug Kwan  <dougkwan@google.com>
5608
5609         * arm.cc (set): Include.
5610         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5611         pointer type.
5612         (Arm_output_section::Text_section_list): New type.
5613         (Arm_output_section::append_text_sections_to_list): New method.
5614         (Arm_output_section::fix_exidx_coverage): Ditto.
5615         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5616         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5617         Relobj::set_section_offset() instead of
5618         Sized_relobj::invalidate_section_offset().
5619         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5620         parameter for section headers. Ignore relocation sections for
5621         unallocated sections and EXIDX sections.
5622         (Target_arm::fix_exidx_coverage): New method.
5623         (Target_arm::output_section_address_less_than): New type.
5624         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5625         linked text section instead of the EXIDX section.
5626         (Arm_output_section::create_stub_group): Add an assertion to check
5627         that this is not an EXIDX output section.
5628         (Arm_output_section::append_text_sections_to_list): New method.
5629         (Arm_output_section::fix_exidx_coverage): Ditto.
5630         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5631         Arm_relobj::section_needs_reloc_stub_scanning.
5632         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5633         first pass.
5634         (Target_arm::fix_exidx_coverage): New method.
5635         * object.h (Relobj::set_output_section): New method.
5636         (Sized_relobj::invalidate_section_offset): Remove method.
5637         (Sized_relobj::do_invalidate_section_offset): Remove method.
5638         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5639
5640 2010-01-25  Doug Kwan  <dougkwan@google.com>
5641
5642         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5643         Fix warning due to signed and unsigned comparison on a 32-bit host.
5644
5645 2010-01-22  Doug Kwan  <dougkwan@google.com>
5646
5647         * arm.cc (Target_arm::do_relax): Record an output section for section
5648         offset adjustment it contains any stub table that has changed.
5649         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5650         offsets in an output section if necessary.
5651         * output.cc (Output_section::Output_section): Initialize
5652         section_offsets_need_adjustments_.
5653         (Output_section::add_input_section_for_script): Renamed to
5654         Output_section::add_simple_input_section.
5655         (Output_section::save_states): Add a comment.
5656         (Output_section::discard_states): New method defintion.
5657         (Output_section::adjust_section_offsets): Same.
5658         * output.h (Output_section::add_input_section_for_script): Renamed to
5659         Output_section::add_simple_input_section.
5660         (Output_section::discard_states): New method declaration.
5661         (Output_section::adjust_section_offsets): Same.
5662         (Output_section::section_offsets_need_adjustment,
5663         Output_section::set_section_offsets_need_adjustment): New method
5664         definitions.
5665         (Output_section::section_offsets_need_adjustment_): New data member.
5666         * script-sections.cc
5667         (Output_section_element_input::set_section_address): Adjust code for
5668         renaming of Output_section::add_input_section_for_script.
5669         (Orphan_output_section::set_section_address): Same.
5670
5671 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5672
5673         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5674         Fix_v4bx enum values .
5675         * gold/options.h (General_options): New option definitions.
5676         (General_options::fix_v4bx): New method.
5677         (General_options::Fix_v4bx): New enum.
5678         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5679         (General_options::parse_fix_v4bx_interworking): New method.
5680
5681 2010-01-22  Doug Kwan  <dougkwan@google.com>
5682
5683         * arm.cc (Arm_exidx_fixup): New class.
5684
5685 2010-01-21  Doug Kwan  <dougkwan@google.com>
5686
5687         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5688         classes.
5689         (Arm_exidx_section_offset_map): New type.
5690
5691 2010-01-21  Doug Kwan  <dougkwan@google.com>
5692
5693         * arm.cc (Arm_exidx_input_section): New class.
5694         (Arm_relobj::exidx_input_section_by_link,
5695         Arm_relobj::exidx_input_section_by_shndx,
5696         Arm_relobj::make_exidx_input_section): New methods.
5697         (read_arm_attributes_section): Remove.
5698         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5699         information about them.
5700         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5701         to here.
5702
5703 2010-01-20  Doug Kwan  <dougkwan@google.com>
5704
5705         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5706         Input_section_specifier to Section_id.
5707         (Target_arm::new_arm_input_section: Adjust code for change of key
5708         type.
5709         (Target_arm::find_arm_input_section): Ditto.
5710         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5711         (Section_id): Remove.
5712         (Garbage_collection::Section_id_hash): Remove.
5713         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5714         (Section_id): Remove.
5715         (Icf::Section_id_hash): Remove.
5716         * object.h (Section_id, Const_section_id, Section_id_hash,
5717         Const_section_id_hash): New type definitions.
5718         * output.cc (Output_section::add_relaxed_input_section): Change to
5719         use Const_section_id instead of Input_section_specifier as key type.
5720         (Output_section::add_merge_input_section): Ditto.
5721         (Output_section::build_relaxation_map): Change to use Section_id
5722         instead of Input_section_specifier as key type.
5723         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5724         Ditto.
5725         (Output_section::convert_input_sections_to_relaxed_sections): Change
5726         to use Const_section_id instead of Input_section_specifier as key type.
5727         (Output_section::find_merge_section): Ditto.
5728         (Output_section::find_relaxed_input_section): Ditto.
5729         * output.h (Input_section_specifier): Remove class.
5730         (Output_section::Output_section_data_by_input_section_map): Change
5731         key type to Const_section_id.
5732         (Output_section::Output_relaxed_input_section_by_input_section_map):
5733         Ditto.
5734         (Output_section::Relaxation_map): Change key type to Section_id.
5735
5736 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5737
5738         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5739         (class Arm_v4bx_stub): New class.
5740         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5741         (Stub_factory::make_arm_v4bx_stub): New method.
5742         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5743         (Stub_table::empty): Handle v4bx stubs.
5744         (Stub_table::add_arm_v4bx_stub): New method.
5745         (Stub_table::find_arm_v4bx_stub): New method.
5746         (Arm_relocate_functions::v4bx): New method.
5747         (Target_arm::fix_v4bx): New method.
5748         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5749         (Stub_table::relocate_stubs): Likewise.
5750         (Stub_table::do_write): Likewise.
5751         (Stub_table::update_data_size_and_addralign): Likewise.
5752         (Stub_table::finalize_stubs):  Likewise.
5753         (Target_arm::Scan::local): Likewise.
5754         (Target_arm::Scan::global): Likewise.
5755         (Target_arm::do_finalize_sections): Likewise.
5756         (Target_arm::Relocate::relocate): Likewise.
5757         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5758         Likewise.
5759         (Target_arm::scan_reloc_for_stub): Likewise.
5760         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5761
5762 2010-01-19  Ian Lance Taylor  <iant@google.com>
5763
5764         * output.cc (Output_section_headers::do_sized_write): Write large
5765         segment count to sh_info field.
5766         (Output_file_header::do_sized_write): For large segment count,
5767         write PN_XNUM to e_phnum field.
5768
5769 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5770
5771         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5772         (Arm_relocate_functions::thm_jump8): New function.
5773         (Arm_relocate_functions::thm_jump11): New function.
5774         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5775         R_ARM_THM_JUMP11.
5776         (Target_arm::Scan::global): Likewise.
5777         (Target_arm::Relocate::relocate): Likewise.
5778         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5779         Likewise.
5780
5781 2010-01-14  Doug Kwan  <dougkwan@google.com>
5782
5783         * arm.cc (map, utility): Include headers.
5784         (Target_arm::apply_cortex_a8_workaround): New method.
5785         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5786         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5787         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5788         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5789         the --[no-]fix-cortex-a8 command line options.
5790         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5791         (Target_arm::relocate_stub): Use addend in instruction template.
5792         * options.h (DEFINE_bool): Set the user-set flag.
5793         (General_options): Add --[no-]-fix-cortex options.
5794         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5795         : Update fast look-up map after conversion.
5796
5797 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5798
5799         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5800         in the first pass of do_layout.
5801
5802 2010-01-13  Doug Kwan  <dougkwan@google.com>
5803
5804         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5805         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5806         apparent compiler problem of not folding static constant integral
5807         data members of elfcpp::Elf_sizes<32>.
5808
5809 2010-01-13  Doug Kwan  <dougkwan@google.com>
5810
5811         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5812         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5813         Arm_relobj::scan_section_for_cortex_a8_erratum,
5814         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5815         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5816         sections to scan for relocation stubs into a new method
5817         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5818         relocation and Cortex-A8 stub scanning.
5819         (Target_arm::do_relax): Force stubs to be after stubbed sections
5820         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5821         the beginning of a new relaxation pass.  Update a comment.
5822         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5823
5824 2010-01-12  Ian Lance Taylor  <iant@google.com>
5825
5826         * target-reloc.h (visibility_error): New inline function.
5827         (relocate_section): Call visibility_error.
5828         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5829         (MOSTLYCLEANFILES): Likewise.
5830         (protected_4_pic.o, protected_3.err): New targets.
5831         * testsuite/protected_4.cc: New file.
5832
5833 2010-01-12  Doug Kwan  <dougkwan@google.com>
5834
5835         * arm.cc (Cortex_a8_reloc): New class.
5836         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5837         and cortex_a8_relocs_info_.
5838         (Target_arm::fix_cortex_a8): New method definition.
5839         (Target_arm::Cortex_a8_relocs_info): New type.
5840         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5841         New data member declarations.
5842         (Target_arm::scan_reloc_for_stub): Record information about
5843         relocations for THUMB branches that might be exempted from the
5844         Cortex-A8 workaround.
5845         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5846         at the beginning of a relaxation pass.
5847
5848 2010-01-12  Doug Kwan  <dougkwan@google.com>
5849
5850         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5851         (Arm_relobj::Mapping_symbol_position,
5852          Arm_reloj::Mapping_symbol_position_less,
5853          Arm_relobj::Mapping_symbols_info): New types.
5854         (Target_arm::is_mapping_symbol_name): New method definition.
5855         (Arm_relobj::do_count_local_symbols): Save information about mapping
5856         symbols.
5857
5858 2010-01-11  Doug Kwan  <dougkwan@google.com>
5859
5860         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5861         Arm_relocate_functions::thumb32_branch_upper,
5862         Arm_relocate_functions::thumb32_branch_lower,
5863         Arm_relocate_functions::thumb32_cond_branch_offset,
5864         Arm_relocate_functions::thumb32_cond_branch_upper,
5865         Arm_relocate_functions::thumb32_cond_branch_lower,
5866         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5867         branch offset encoding.
5868         (Arm_relocate_functions::thumb_branch_common): Use new branch
5869         offset encoding methods to avoid code duplication.
5870         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5871         (Stub_addend_reader::operator()): Use new branch encoding method
5872         to avoid code duplication.
5873
5874 2010-01-11  Doug Kwan  <dougkwan@google.com>
5875
5876         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5877         (Target_arm::do_finalize_sections): Define special EXIDX section
5878         symbols only if referenced.
5879         * gc.h (Garbage_collection::add_reference): New method.
5880         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5881         code duplication.
5882
5883 2010-01-11  Ian Lance Taylor  <iant@google.com>
5884
5885         * script.cc (Version_script_info::build_expression_list_lookup):
5886         Change complaing about duplicate wildcard match from error to
5887         warning.
5888
5889         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5890         of 2009-12-30.
5891         (Version_script_info::Version_script_info): Initialize globs_,
5892         default_version_, default_is_global_, and exact_.  Don't
5893         initialize globals_ or locals_.
5894         (Version_script_info::build_lookup_tables): Build local symbols
5895         first.
5896         (Version_script_info::unquote): New function.
5897         (Version_script_info::add_exact_match): New function.
5898         (Version_script_info::build_expression_list_lookup): Remove lookup
5899         parameter.  Add is_global parameter.  Change all callers.  Handle
5900         wildcard pattern specially.  Unquote pattern.  Call
5901         add_exact_match.
5902         (Version_script_info::get_name_to_match): New function.
5903         (Version_script_info::get_symbol_version): New function.
5904         (Version_script_info::get_symbol_version_helper): Remove.
5905         (Version_script_info::check_unmatched_names): Call unquote.
5906         * script.h (class Version_script_info): Change get_symbol_version
5907         to be non-inline and add is_global parameter; change all callers.
5908         Rewrite symbol_is_local.  Update declarations.  Define struct
5909         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5910         Remove globals_ and locals_ members.  Add exact_, globs_,
5911         default_version_, is_global_.
5912         (Version_script_info::Glob): Remove pattern, add expression and
5913         is_global.  Update constructor.  Change all callers.
5914         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5915         default version.
5916         (Versions::symbol_section_contents): If a symbol is undefined, or
5917         defined in a dynamic object, set the version index to
5918         VER_NDX_LOCAL.
5919         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5920         symbol_is_local.
5921         (Symbol_table::add_from_pluginobj): Likewise.
5922         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5923
5924 2010-01-11  Doug Kwan  <dougkwan@google.com>
5925
5926         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5927         (incremental_dump_LDADD): Add linking option for libintl.
5928         * Makefile.in: Regenerate.
5929
5930 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5931
5932         PR gold/11144
5933         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5934         instead of -Ds.
5935         * testsuite/Makefile.in: Regenerated.
5936
5937 2010-01-10  Doug Kwan  <dougkwan@google.com>
5938
5939         * options.h (DEFINE_var): Use parentheses around argument varname__
5940         in macro body to avoid any unintended subsequent substitutions.
5941
5942 2010-01-10  Ian Lance Taylor  <iant@google.com>
5943
5944         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5945         candidates before doing symbol resolution.
5946
5947         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5948         ODR candidates if only one is weak.
5949
5950 2010-01-08  Ian Lance Taylor  <iant@google.com>
5951
5952         * script.cc (Version_script_info::build_expression_list_lookup):
5953         Don't warn about ambiguous version, just record the ambiguity.
5954         (Version_script_info::get_symbol_version_helper): Give error if
5955         version is ambiguous.
5956
5957 2010-01-08  Doug Kwan  <dougkwan@google.com>
5958
5959         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5960           prev_data_size_ and prev_addralign_.  Remove initializer for
5961           deleted data member has_been_changed_.
5962           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5963           to determine if the table is empty.
5964           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5965           Remove.
5966           (Stub_table::add_reloc_stub): Define method in class definition
5967           instead of just declaring it there.
5968           (Stub_table::add_cortex_a8_stub): New method definition.
5969           (Stub_table::update_data_size_and_addralign): Ditto.
5970           (Stub_table::finalize_stubs): Ditto.
5971           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5972           (Stub_table::do_addralign_): Return address alignment in the
5973           (Stub_table::do_reset_address_and_file_offset): Define method in
5974           class definition instead of declaring it there.  Set current data
5975           size to be the data size of the previous pass.
5976           (Stub_table::set_final_data_size): Use current data size as the
5977           final data size.
5978           (Stub_table::relocate_stub): Change parameter type of stub from
5979           Reloc_stub pointer to Stub pointer.
5980           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5981           (Stub_table::Cortex_a8_stub_list): New typedef.
5982           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5983            Stub_table::prev_addralign_): New data member.
5984           (Arm_relobj::Arm_relobj): Initialize data member
5985           section_has_cortex_a8_workaround_.
5986           (Arm_relobj::section_has_cortex_a8_workaround,
5987            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5988            definitions.
5989           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5990           declarations.
5991           (Target_arm::relocate_stub): Change parameter type of stub from
5992           Reloc_stub pointer to Stub pointer.
5993           (Insn_template::size, Insn_template::alignment): Handle
5994           THUMB16_SPECIAL_TYPE.
5995           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5996            Stub_table::update_data_size_and_addralign,
5997            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5998           definitions.
5999           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6000           (Stub_table::do_write): Ditto.
6001           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6002
6003 2010-01-08  Ian Lance Taylor  <iant@google.com>
6004
6005         PR 11108
6006         * symtab.h (class Symbol): Remove fields is_target_special_ and
6007         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6008         (Symbol::is_defined_in_discarded_section): New function.
6009         (Symbol::set_is_defined_in_discarded_section): New function.
6010         (Symbol::has_plt_offset): Rewrite.
6011         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6012         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6013         Don't initialize is_target_special_ or has_plt_offset_.
6014         Initialize is_defined_in_discarded_section_.
6015         (Symbol_table::add_from_relobj): If appropriate, set
6016         is_defined_in_discarded_section.
6017         * resolve.cc (Symbol::override_base_with_special): Don't test
6018         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6019         * target-reloc.h (relocate_section): Do special handling for
6020         symbols defined in discarded sections for global symbols as well
6021         as local symbols.
6022
6023 2010-01-08  Ian Lance Taylor  <iant@google.com>
6024
6025         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6026         the SHT_SYMTAB case.
6027
6028 2010-01-08  Ian Lance Taylor  <iant@google.com>
6029
6030         * object.cc (Sized_relobj::do_layout): Don't get confused if
6031         layout_eh_frame returns NULL.
6032
6033 2010-01-08  Ian Lance Taylor  <iant@google.com>
6034
6035         PR 11084
6036         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6037         dynamic symbol table, use the normal symbol table.
6038         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6039         symbol table.
6040
6041 2010-01-08  Ian Lance Taylor  <iant@google.com>
6042
6043         PR 11072
6044         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6045         sections.
6046
6047 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6048
6049         * version.cc (print_version): Change to "Copyright 2010".
6050
6051 2010-01-08  Ian Lance Taylor  <iant@google.com>
6052
6053         PR 10287
6054         PR 11063
6055         * i386.cc (class Target_i386): Change return type of plt_section
6056         to be non-const.
6057         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6058         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6059         tls_desc_rel_ field.
6060         (Output_data_plt_i386::rel_tls_desc): New function.
6061         (Target_i386::rel_tls_desc_section): New function.
6062         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6063         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6064         R_386_TLS_DESC reloc in rel_tls_desc_section.
6065         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6066         Define struct Tlsdesc_info.
6067         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6068         (Target_x86_64::do_reloc_symbol_index): New function.
6069         (Target_x86_64::add_tlsdesc_info): New function.
6070         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6071         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6072         tlsdesc_rel_ field.
6073         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6074         all callers.
6075         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6076         (Target_x86_64::rela_tlsdesc_section): New function.
6077         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6078         handling.
6079         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6080         (Target_x86_64::do_reloc_addend): New function.
6081         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6082         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6083         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6084         (Output_reloc::type): New function.
6085         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6086         (Output_reloc::is_target_specific): New function.
6087         (Output_reloc::target_arg): New function.
6088         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6089         absolute relocs and target specific relocs.
6090         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6091         add_target_specific.
6092         (class Output_data_reloc) [SHT_RELA]: Likewise.
6093         * output.cc (Output_reloc::Output_reloc): Add four new versions
6094         for absolute relocs and target specific relocs.
6095         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6096         (Output_reloc::get_symbol_index): Likewise.
6097         (Output_reloc::local_section_offset): Check that local_sym_index_
6098         is not TARGET_CODE or 0.
6099         (Output_reloc::symbol_value): Likewise.
6100         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6101         reloc.
6102         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6103         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6104         functions.
6105         * layout.cc (add_target_dynamic_tags): Use output section for
6106         DT_PLTRELSZ and DT_JMPREL.
6107
6108 2010-01-07  Ian Lance Taylor  <iant@google.com>
6109
6110         PR 11061
6111         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6112         function.
6113         (class Output_data_reloc_generic): Define.
6114         (class Output_data_reloc_base): Change base class to
6115         Output_data_reloc_generic.  Change add() method to call
6116         bump_relative_reloc_count for a relative reloc.  Remove
6117         sort_relocs_ field.
6118         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6119         to sort_relocs().
6120         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6121         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6122         appropriate.
6123         * layout.h (class Layout): Update declaration.
6124
6125 2010-01-07  Ian Lance Taylor  <iant@google.com>
6126
6127         * output.h (class Output_data): Add const version of
6128         output_section and do_output_section.
6129         (class Output_section_data): Add const version of
6130         do_output_section.
6131         (class Output_section): Likewise.
6132         * layout.cc (Layout::add_target_dynamic_tags): New function.
6133         * layout.h (class Layout): Update declarations.
6134         * arm.cc (Target_arm::do_finalize_sections): Use
6135         add_target_dynamic_tags.
6136         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6137         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6138         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6139         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6140
6141 2010-01-07  Ian Lance Taylor  <iant@google.com>
6142
6143         PR 11042
6144         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6145         object as needed.
6146
6147 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6148             Ian Lance Taylor  <iant@google.com>
6149
6150         PR 11019
6151         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6152         Xindex::read_symtab_xindex.
6153
6154 2010-01-07  Doug Kwan  <dougkwan@google.com>
6155
6156         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6157         (Insn_template::thumb16_bcond_insn): New method declaration.
6158         (Insn_template): Fix spelling.
6159         (Stub::thumb16_special): New method declaration.
6160         (Stub::do_write): Define virtual method which was previously pure
6161         virtual.
6162         (Stub::do_thumb16_special): New method declaration.
6163         (Stub::do_fixed_endian_write): New template member.
6164         (Reloc_stub::do_write): Remove.
6165         (Reloc_stub::do_fixed_endian_write): Remove.
6166         (Cortex_a8_stub): New class definition.
6167         (Stub_factory::make_cortex_a8_stub): New method definition.
6168         (Stub_factory::Stub_factory): Add missing static storage class
6169         qualifier for elf32_arm_stub_a8_veneer_blx.
6170
6171 2010-01-07  Ian Lance Taylor  <iant@google.com>
6172
6173         PR 10980
6174         * options.h (class General_options): Add --warn-unresolved-symbols
6175         and --error-unresolved-symbols.
6176         * errors.cc (Errors::undefined_symbol): Implement
6177         --warn-unresolved-symbols.
6178
6179         * options.h (class General_options): Add -z text and -z textoff.
6180         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6181
6182 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6183
6184         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6185         (Garbage_collection::cident_sections): New function.
6186         (Garbage_collection::add_cident_section): New function.
6187         (Garbage_collection::cident_sections_): New member.
6188         (gc_process_relocs): Add references to sections whose names are C
6189         identifiers.
6190         * gold.h (cident_section_start_prefix): New constant.
6191         (cident_section_stop_prefix): New constant.
6192         (is_cident): New function.
6193         * layout.cc (Layout::define_section_symbols): Replace string constants
6194         with the newly defined constants.
6195         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6196         C identifiers.
6197         * testsuite/Makefile.am: Add gc_orphan_section_test.
6198         * testsuite/Makefile.in: Regenerate.
6199         * testsuite/gc_orphan_section_test.cc: New file.
6200         * testsuite/gc_orphan_section_test.sh: New file.
6201
6202 2010-01-06  Ian Lance Taylor  <iant@google.com>
6203
6204         PR 10980
6205         * options.h (class General_options): Add --warn-shared-textrel.
6206         * layout.cc (Layout::finish_dynamic_section): Implement
6207         --warn-shared-textrel.
6208
6209         PR 10980
6210         * options.h (class General_options): Add --warn-multiple-gp.
6211
6212 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6213
6214         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6215         $(THREADSLIB) and $(LIBDL).
6216         * Makefile.in: Rebuild.
6217
6218 2010-01-06  Ian Lance Taylor  <iant@google.com>
6219
6220         PR 10980
6221         * options.cc (General_options::parse_section_start): New function.
6222         (General_options::section_start): New function.
6223         (General_options::General_options): Initialize all members.
6224         * options.h: Include <map>
6225         (class General_options): Add --section-start.  Add section_starts_
6226         member.
6227         * layout.cc (Layout::attach_allocated_section_to_segment): If
6228         --section-start was used, set the address of the segment.  Remove
6229         local sort_sections.
6230         (Layout::relaxation_loop_body): If the address of the load segment
6231         has been set by --section-start, don't use it.
6232         * output.h (Output_segment::update_flags_for_output_section): New
6233         function.
6234         * output.cc (Output_segment::add_output_section): Call
6235         update_flags_for_output_section.
6236
6237 2010-01-05  Ian Lance Taylor  <iant@google.com>
6238
6239         PR 10980
6240         * options.h (class General_options): Add --undefined-version.
6241         * script.cc (struct Version_expression): Add was_matched_by_symbol
6242         field.
6243         (Version_script_info::matched_symbol): New function.
6244         (Version_script_info::get_symbol_version_helper): Call
6245         matched_symbol.
6246         (Version_script_info::check_unmatched_names): New function.
6247         * script.h (class Version_script_info): Update declarations.
6248         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6249
6250         * options.h (class General_options): Use DEFINE_bool_alias for
6251         allow_multiple_definition.
6252         * resolve.cc (Symbol_table::should_override): Don't test
6253         allow_multiple_definition.
6254
6255         PR 10980
6256         * options.h (class General_options): Add --cref.
6257         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6258         until after printing cref table.
6259         * cref.cc: Include "symtab.h".
6260         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6261         (Cref_table_compare::operator()): New function.
6262         (Cref_inputs::gather_cref): New function.
6263         (filecol): New static const.
6264         (Cref_inputs::print_cref): New function.
6265         (Cref::print_cref): New function.
6266         * cref.h: Include <cstdio>.
6267         (class Cref): Update declarations.
6268         * mapfile.h (Mapfile::file): New function.
6269         * object.h (class Object): Define Symbols.  Declare virtual
6270         do_get_global_symbols.
6271         (Object::get_global_symbols): New function.
6272         * object.cc (Input_objects::add_object): Pass object to cref_ if
6273         --cref.
6274         (Input_objects::archive_start): Likewise.
6275         (Input_objects::archive_stop): Likewise.
6276         (Input_objects::print_cref): New function.
6277         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6278         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6279         --cref.
6280         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6281         function.
6282         * plugin.h (class Sized_pluginobj): Update declarations.
6283
6284 2010-01-05  Ian Lance Taylor  <iant@google.com>
6285
6286         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6287         to is_default_version.  Rename insdef to insdefault.
6288         (Symbol_table::add_from_relobj): Rename def to is_default_version
6289         and local to is_forced_local.
6290         (Symbol_table::add_from_pluginobj): Likewise.
6291         (Symbol_table::add_from_dynobj): Likewise.
6292         (Symbol_table::define_special_symbol): Rename insdef to
6293         insdefault.
6294
6295 2010-01-04  Ian Lance Taylor  <iant@google.com>
6296
6297         PR 10980
6298         * options.h (class General_options): Add
6299         --allow-multiple-definition and -z muldefs.
6300         * resolve.cc (Symbol_table::should_override): Don't warn about a
6301         multiple symbol definition if --allow-multiple-definition or -z
6302         muldefs.
6303
6304         PR 10980
6305         * options.h (class General_options): Add --add-needed and
6306         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6307         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6308         error if --copy-dt-needed-entries aka --add-needed is used and
6309         would cause a change in behaviour.
6310
6311         PR 10980
6312         * options.h (class General_options): Add -G as a short version of
6313         --shared.  Add no-op options -assert, -g, and -i.
6314
6315 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6316
6317         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6318         check for .text or .gnu.linkonce.t sections.
6319         * icf.cc (Icf::find_identical_sections): Ditto.
6320         Change the detection for mangled function name within the section
6321         name.
6322         * icf.h (is_section_foldable_candidate): New function.
6323
6324 2009-12-30  Ian Lance Taylor  <iant@google.com>
6325
6326         PR 10980
6327         * options.h (class General_options): Permit two dashes with
6328         --retain-symbols-file.
6329
6330 2009-12-30  Ian Lance Taylor  <iant@google.com>
6331
6332         PR 10979
6333         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6334         don't put the file header and segment headers in the text
6335         segment.
6336
6337         PR 10979
6338         * common.cc (Sort_commons::operator()): Stabilize sort when both
6339         entries are NULL.
6340         (Symbol_table::do_allocate_commons_list): When allocating common
6341         symbols, skip a symbol which is no longer common.
6342         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6343         an object before checking its type.
6344         * testsuite/common_test_2.c: New file.
6345         * testsuite/common_test_3.c: New file.
6346         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6347         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6348         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6349         (common_test_2_pic.o, common_test_2.so): New targets.
6350         (common_test_3_pic.o, common_test_3.so): New targets.
6351         * testsuite/Makefile.in: Rebuild.
6352
6353         PR 10979
6354         * script.cc (read_input_script): If we see a new SECTIONS clause,
6355         and we have added an input section, give an error.
6356         * layout.h (class Layout): Add have_added_input_section function.
6357         Add have_added_input_section_ field.
6358         * layout.cc (Layout::Layout): Initialize
6359         have_added_input_section_.
6360         (Layout::layout): Set have_added_input_section_.
6361         (Layout::layout_eh_frame): Likewise.
6362
6363 2009-12-30  Ian Lance Taylor  <iant@google.com>
6364
6365         PR 10931
6366         * options.h (class General_options): Add --sort-common option.
6367         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6368         * common.cc (Sort_common): Add sort_order parameter to
6369         constructor.  Add sort_order_ field.
6370         (Sort_commons::operator): Check sort_order_.
6371         (Symbol_table::allocate_commons): Determine the sort order.
6372         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6373         Change all callers.
6374         (Symbol_table::do_allocate_commons_list): Likewise.
6375
6376 2009-12-30  Ian Lance Taylor  <iant@google.com>
6377
6378         PR 10916
6379         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6380         symbols from this object, don't change the visibility of an
6381         undefined symbol.
6382         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6383
6384 2009-12-30  Ian Lance Taylor  <iant@google.com>
6385
6386         PR 10861
6387         * script.h (class Version_script_info): Define Language enum.
6388         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6389         new fields globals_, locals_, and is_finalized_.
6390         * script.cc: Various formatting fixes.
6391         (class Parser_closure): Change language_stack_ from a vector of
6392         std::string to one of Version_script_info::Language.  Adjust all
6393         uses accordingly.
6394         (class Lazy_demangler): Remove.
6395         (struct Version_expression): Change language from std::string to
6396         Version_script_info::Language.
6397         (Version_script_info::Version_script_info): New function.
6398         (Version_script_info::~Version_script_info): Don't call clear.
6399         (Version_script_info::finalize): New function.
6400         (Version_script_info::build_lookup_tables): New function.
6401         (Version_script_info::build_expression_list_lookup): New
6402         function.
6403         (Version_script_info::get_symbol_version_helper): Rewrite to use
6404         lookup tables.
6405         (Version_script_info::print_expression_list): Adjust to use
6406         Version_script_info::Language.
6407         (script_push_lex_into_version_mode): Check that the version script
6408         has not been finalized.
6409         (version_script_push_lang): Change language string to
6410         Version_script_info::Language.
6411         * options.cc (Command_line::version_script): New function.
6412         * options.h (class General_options): Add finalize_dynamic_list
6413         function.  Change version_script from declaration to definition.
6414         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6415         * testsuite/version_script.map: Remove duplicate def of foo.
6416         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6417         version_script.map.
6418         * testsuite/Makefile.in: Rebuild.
6419
6420 2009-12-30  Ian Lance Taylor  <iant@google.com>
6421
6422         PR 10843
6423         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6424         if the input symbol index is 0, make the output symbol index 0.
6425
6426 2009-12-30  Ian Lance Taylor  <iant@google.com>
6427
6428         PR 10670
6429         * options.h (class General_options): Add -x/--discard-all.
6430         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6431         --discard-all.  If the local symbol needs a dynamic entry, check
6432         that before handling --discard-locals.
6433
6434 2009-12-30  Ian Lance Taylor  <iant@google.com>
6435
6436         PR 10450
6437         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6438         flags to PF_R.
6439         (Output_segment::add_output_section): Don't change the flags if
6440         the type is PT_TLS.
6441
6442         PR 10450
6443         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6444         GNU hash table if they need a dynamic value.  Otherwise, don't add
6445         them if they are defined in a dynamic object or are forced local.
6446
6447 2009-12-29  Ian Lance Taylor  <iant@google.com>
6448
6449         PR 10450
6450         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6451         .gnu.hash table for a 32-bit target.
6452
6453         PR 10450
6454         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6455         regular and a dynamic object only needs a dynamic symbol table
6456         entry if it is externally visible.
6457
6458         PR 10450
6459         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6460         constructor.  Add global_offset_table_ field.
6461         (Target_i386::got_section): Set global_offset_table_.
6462         (Target_i386::do_finalize_sections): Set global_offset_table_
6463         size.
6464         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6465         in constructor.  Add global_offset_table_ field.
6466         (Target_x86_64::got_section): Set global_offset_table_.
6467         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6468         size.
6469
6470         * layout.cc (Layout::Layout): Initialize increase_relro_.
6471         (Layout::get_output_section): Add is_relro, is_last_relro, and
6472         is_first_non_relro parameters.  Change all callers.
6473         (Layout::choose_output_section): Likewise.
6474         (Layout::add_output_section_data): Likewise.
6475         (Layout::make_output_section): Likewise.
6476         (Layout::set_segment_offsets): Clear increase_relro when using a
6477         linker script.
6478         * layout.h (class Layout): Add increase_relro method.  Add
6479         increase_relro_ field.  Update declarations.
6480         * output.cc (Output_section::Output_section): Initialize
6481         is_last_relro_ and is_first_non_relro_.
6482         (Output_segment::add_output_section): Group relro sections is
6483         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6484         (Output_segment::maximum_alignment): Remove relro handling.
6485         (Output_segment::set_section_addresses): Add increase_relro
6486         parameter.  Change all callers.  Add initial alignment to align
6487         relro sections on separate page.  Remove old relro handling.
6488         (Output_segment::set_section_list_addresses): Remove in_relro
6489         parameter.  Change all callers.
6490         (Output_segment::set_offset): Add increase parameter.  Change all
6491         callers.  Remove old relro handling.
6492         * output.h (class Output_section): Add new methods: is_last_relro,
6493         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6494         Add is_last_relro_ and is_first_non_relro_ fields.
6495         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6496         Create separate .got.plt section.  Call increase_relro.
6497         * x86_64.cc (Target_x86_64::got_section): Likewise.
6498         * testsuite/relro_script_test.t: Add .got.plt.
6499
6500         PR 10450
6501         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6502         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6503         (Layout::finalize): Call set_dynamic_symbol_size.
6504         (Layout::set_dynamic_symbol_size): New function.
6505         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6506         set_dynamic_symbol_size.
6507
6508         PR 10450
6509         * output.h (class Output_section): Add is_entsize_zero_ field.
6510         * output.cc (Output_section::Output_section): Initialize
6511         is_entsize_zero_.
6512         (Output_section::set_entsize): If two different entsizes are
6513         requested, force it to zero.
6514         (Output_section::add_input_section): Set flags for .debug_str
6515         before updating section flags.  Set entsize.
6516         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6517         and SHF_STRING if all input sections have those flags.
6518
6519 2009-12-29   Rafael Espindola  <espindola@google.com>
6520
6521         * main.cc (main): Fix the sys time reporting.
6522         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6523         reporting.
6524
6525 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6526
6527         * options.cc (General_options::parse_version): Allow -v to exit
6528         without an error if there is nothing to link.
6529
6530 2009-12-29  Ian Lance Taylor  <iant@google.com>
6531
6532         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6533         using a version of gcc before 4.1.
6534         * configure: Rebuild.
6535
6536 2009-12-28  Chris Demetriou  <cgd@google.com>
6537
6538         * attributes.cc (Output_attributes_section_data::do_write): Use
6539         std::vector::front rather than std::vector::data.
6540
6541 2009-12-28  Ian Lance Taylor  <iant@google.com>
6542
6543         * symtab.h (class Symbol_table): Add enum Defined.
6544         * resolve.cc (Symbol_table::should_override): Add defined
6545         parameter.  Change all callers.  Test whether object is NULL
6546         before calling a method on it.
6547         (Symbol_table::report_resolve_problem): Add defined parameter.
6548         Change all callers.
6549         (Symbol_table::should_override_with_special): Likewise.
6550         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6551         parameter.  Change all callers.
6552         (Symbol_table::do_define_in_output_data): Likewise.
6553         (Symbol_table::define_in_output_segment): Likewise.
6554         (Symbol_table::do_define_in_output_segment): Likewise.
6555         (Symbol_table::define_as_constant): Likewise.
6556         (Symbol_table::do_define_as_constant): Likewise.
6557         * script.h (class Symbol_assignment): Add is_defsym parameter to
6558         constructor; change all callers.
6559         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6560         parameter.  Change all callers.  Add is_defsym_ field.
6561         (class Parser_closure): Add parsing_defsym parameter to
6562         constructor; change all callers.  Add parsing_defsym accessor
6563         function.  Add parsing_defsym_ field.
6564
6565 2009-12-28  Ian Lance Taylor  <iant@google.com>
6566
6567         * gold.cc (queue_middle_tasks): Fix formatting.
6568         * object.cc (Relobj::is_section_name_included): Likewise.
6569
6570 2009-12-23  Ian Lance Taylor  <iant@google.com>
6571
6572         * i386.cc (Target_i386::do_calls_non_split): Recognize
6573         -fsplit-stack prologue for a function with a static chain.
6574         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6575         -fsplit-stack prologue when using %r11.
6576
6577 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6578
6579         * options.cc (General_options::parse_version): Make -v continue and do
6580         the link like GNU ld does.
6581
6582 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6583
6584         * Makefile.am (CCFILES): Add timer.cc.
6585         (HFILES): Add timer.h.
6586         * configure.ac: Check for sysconf and times.
6587         * main.cc: include timer.h.
6588         (main): Use Timer instead of get_run_time.
6589         * timer.cc: New.
6590         * timer.h: New.
6591         * workqueue.cc: include timer.h.
6592         (Workqueue::find_and_run_task):
6593         Report user, sys and wall time.
6594         * Makefile.in: Regenerate.
6595         * config.in: Regenerate.
6596         * configure: Regenerate.
6597
6598 2009-12-16  Doug Kwan  <dougkwan@google.com>
6599
6600         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6601         sections.
6602         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6603         relaxed input sections.
6604         * output.cc (Output_section::find_relaxed_input_section): Change
6605         return type to Output_relaxed_input_section pointer.  Adjust code
6606         for new type of relaxed_input_section_map_.
6607         * output.h (Output_section::find_relaxed_input_section): Change
6608         return type to Output_relaxed_input_section pointer.
6609         (Output_section::Output_relaxed_input_section_by_input_section_map):
6610         New type.
6611         (Output_section::relaxed_input_section_map_): Change type to
6612         Output_section::Output_relaxed_input_section_by_input_section_map.
6613         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6614         input section.
6615
6616 2009-12-15  Ian Lance Taylor  <iant@google.com>
6617
6618         * layout.cc (Layout::create_shstrtab): Only write out after input
6619         sections if we are compressing debug sections.
6620
6621 2009-12-15  Ian Lance Taylor  <iant@google.com>
6622
6623         * archive.cc (Archive::add_symbols): Only look up a symbol without
6624         a version if there is, in fact, a version.
6625
6626 2009-12-14  Ian Lance Taylor  <iant@google.com>
6627
6628         Revert -Wshadow changes, all changes from:
6629         2009-12-11  Doug Kwan  <dougkwan@google.com>
6630         2009-12-11  Nick Clifton  <nickc@redhat.com>
6631         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6632
6633 2009-12-11  Doug Kwan  <dougkwan@google.com>
6634
6635         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6636         due to -Wshadow.
6637         * attributes.cc (Object_attribute::size): Ditto.
6638         (Attributes_section_data::size): Ditto.
6639         (Attributes_section_data::Attributes_section_data): Ditto.
6640         (Output_attributes_section_data::do_write): Ditto.
6641         * attributes.h (Object_attribute::set_type): Ditto.
6642         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6643
6644 2009-12-11  Nick Clifton  <nickc@redhat.com>
6645
6646         * archive.cc: Fix shadowed variable warnings.
6647         * arm.cc: Likewise.
6648         * compressed_output.cc: Likewise.
6649         * compressed_output.h: Likewise.
6650         * configure: Likewise.
6651         * dwarf_reader.cc: Likewise.
6652         * dynobj.cc: Likewise.
6653         * dynobj.h: Likewise.
6654         * ehframe.cc: Likewise.
6655         * ehframe.h: Likewise.
6656         * errors.cc: Likewise.
6657         * expression.cc: Likewise.
6658         * fileread.cc: Likewise.
6659         * fileread.h: Likewise.
6660         * freebsd.h: Likewise.
6661         * i386.cc: Likewise.
6662         * icf.cc: Likewise.
6663         * incremental.h: Likewise.
6664         * layout.cc: Likewise.
6665         * layout.h: Likewise.
6666         * mapfile.cc: Likewise.
6667         * merge.cc: Likewise.
6668         * merge.h: Likewise.
6669         * object.cc: Likewise.
6670         * object.h: Likewise.
6671         * options.h: Likewise.
6672         * output.cc: Likewise.
6673         * output.h: Likewise.
6674         * parameters.cc: Likewise.
6675         * plugin.cc: Likewise.
6676         * powerpc.cc: Likewise.
6677         * reduced_debug_output.cc: Likewise.
6678         * reduced_debug_output.h: Likewise.
6679         * reloc.cc: Likewise.
6680         * reloc.h: Likewise.
6681         * resolve.cc: Likewise.
6682         * script-sections.cc: Likewise.
6683         * script.cc: Likewise.
6684         * script.h: Likewise.
6685         * sparc.cc: Likewise.
6686         * symtab.cc: Likewise.
6687         * symtab.h: Likewise.
6688         * target-select.cc: Likewise.
6689         * target-select.h: Likewise.
6690         * token.h: Likewise.
6691         * workqueue.cc: Likewise.
6692         * workqueue.h: Likewise.
6693         * x86_64.cc: Likewise.
6694
6695 2009-12-10  Doug Kwan  <dougkwan@google.com>
6696
6697         * arm.cc (attributes.h): New include.
6698         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6699         (Arm_relobj::~Arm_relobj): Delete object pointed by
6700         attributes_section_data_.
6701         (Arm_relobj::attributes_section_data): New method definition.
6702         (Arm_relobj::attributes_section_data_): New data member declaration.
6703         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6704         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6705         attributes_section_data_.
6706         (Arm_dynobj::attributes_section_data): New method definition.
6707         (Arm_dynobj::attributes_section_data_): New data member declaration.
6708         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6709         initialization value of may_use_blx_ to false.
6710         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6711         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6712         object attributes to compute results instead of hard-coding.
6713         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6714         Target_arm::get_secondary_compatible_arch,
6715         Target_arm::set_secondary_compatible_arch
6716         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6717         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6718         New method declarations.
6719         (Target_arm::get_aeabi_object_attribute): New method definition.
6720         (Target_arm::attributes_section_data_): New data member declaration.
6721         (read_arm_attributes_section): New template definition.
6722         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6723         (Arm_dynobj::do_read_symbols): Ditto.
6724         (Target_arm::do_finalize_sections): Merge attributes sections from
6725         input.  Check for BLX use after attributes section merging.
6726         Fix __exidx_start and __exidx_end visibility.  Create an
6727         .ARM.attributes section if necessary.
6728         (Target_arm::get_secondary_compatible_arch,
6729         Target_arm::set_secondary_compatible_arch,
6730         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6731         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6732         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6733         New method definitions.
6734
6735 2009-12-09  Ian Lance Taylor  <iant@google.com>
6736
6737         * plugin.cc (Plugin::load): Don't cast from void* to a function
6738         pointer.
6739
6740 2009-12-09  Ian Lance Taylor  <iant@google.com>
6741
6742         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6743         information fields.
6744
6745 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6746
6747         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6748         Replace two_file_shared_1.so with two_file_shared_2.so.
6749         * testsuite/Makefile.in: Regenerated.
6750
6751 2009-12-08  Doug Kwan  <dougkwan@google.com>
6752
6753         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6754         (HFILES): Add attributes.h and int_encoding.h.
6755         * Makefile.in: Regenerate.
6756         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6757         function definitions to int_encoding.cc
6758         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6759         prototypes to int_encoding.h
6760         * reduced_debug_output.cc (int_encoding.h): New include.
6761         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6762         function definitions to int_encoding.cc
6763         (insert_into_vector, read_from_pointer): Move template definitions to
6764         int_encoding.h
6765         * attributes.cc: New file.
6766         * attributes.h: New file.
6767         * int_encoding.cc: New file.
6768         * int_encoding.h: New file.
6769
6770 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6771
6772         PR gold/11055
6773         * incremental-dump.cc (dump_incremental_inputs): New.
6774         (main): Use dump_incremental_inputs.
6775
6776 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6777
6778         PR gold/10893
6779         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6780         checking elfcpp::STT_FUNC.
6781         (Target_i386::Relocate::relocate): Likewise.
6782         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6783
6784         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6785         symbols from shared libraries into normal FUNC symbols.
6786
6787         * symtab.h (Symbol): Add is_func and use it.
6788
6789 2009-12-05  Doug Kwan  <dougkwan@google.com>
6790
6791         * arm.cc (Target_arm::arm_info): Initialize new fields
6792         attributes_section and attributes_vendor.
6793         * i386.cc (Target_i386::i386_info): Same.
6794         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6795         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6796         fields attributes_section and attributes_vendor.
6797         * sparc.cc (Target_sparc::sparc_info): Same.
6798         * target.h (Target::attributes_section, Target::attributes_vendor,
6799         Target::is_attributes_section, Target::attribute_arg_type,
6800         Target::attributes_order): New method definitions.
6801         (Target::Target_info::attributes_section,
6802         Target::Target_info::attributes_vendor): New fields.
6803         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6804         virtual method definitions.
6805         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6806         attributes_section and attributes_vendor.
6807         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6808
6809 2009-12-05  Doug Kwan  <dougkwan@google.com>
6810
6811         * arm.cc: Update comments about interworking and stub generation.
6812         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6813         considered as non-PIC.
6814         (Arm_relocate_functions::base_abs): Fix formatting.
6815         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6816         of function to use GOT entry address instead of offset.
6817         (Target_arm::Scan::global): Issue an error if a symbol would need a
6818         PLT does not get one because it is untyped.  Remove code to create
6819         dynamic symbols for relative branches.
6820         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6821         takes unsigned integer instead of boolean.
6822
6823 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6824
6825         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6826         (two_file_test_LDADD): Likewise.
6827         (common_test_1_LDADD): Likewise.
6828         (exception_test_LDADD) Likewise.
6829         (weak_test_LDADD): Likewise.
6830         (many_sections_test_LDADD): Likewise.
6831         (initpri1_LDADD): Likewise.
6832         (script_test_1_LDADD): Likewise.
6833         (script_test_2_LDADD): Likewise.
6834         (justsyms_LDADD): Likewise.
6835         (binary_test_LDADD): Likewise.
6836         (large_LDADD): Likewise.
6837         * testsuite/Makefile.in: Regenerated.
6838
6839 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6840
6841         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6842         (Symbol_table::override_with_special): Likewise.
6843         (Symbol_table::add_from_object): Likewise.
6844
6845 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6846
6847         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6848         Don't set the data_offset twice.
6849
6850 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6851
6852         * testsuite/Makefile.in: Regenerate.
6853
6854 2009-12-03  Doug Kwan  <dougkwan@google.com>
6855
6856         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6857         (Target_arm::do_finalize_sections): Add parameter for symbol table
6858         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6859         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6860         parameter for symbol table pointer.
6861         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6862         an additional parameter for a pointer to symbol table.
6863         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6864         parameter for a symbol table pointer.
6865         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6866         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6867         Ditto.
6868         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6869         parameter for a symbol table pointer.
6870
6871 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6872
6873         * incremental.cc (Incremental_inputs_header)
6874         (Incremental_inputs_header_write, Incremental_inputs_entry)
6875         (Incremental_inputs_entry_write): Move ...
6876         * incremental.h (Incremental_inputs_header)
6877         (Incremental_inputs_header_write, Incremental_inputs_entry)
6878         (Incremental_inputs_entry_write): here.
6879
6880 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6881
6882         * incremental.cc (make_sized_incremental_binary): Set the target.
6883         Error if it is incompatible.
6884         * output.h (Output_file): Add filename method.
6885
6886 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6887
6888         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6889         from the get_* methods.
6890
6891 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6892
6893         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6894         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6895         Write 0 for the data_offset of scripts.
6896
6897 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6898
6899         * testsuite/Makefile.am: Add the incremental_test.sh test.
6900         * testsuite/incremental_test.sh: New.
6901         * testsuite/incremental_test_1.c: New.
6902         * testsuite/incremental_test_2.c: New.
6903
6904 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6905
6906        * incremental-dump.cc (main): Fix typos.
6907
6908 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6909
6910         PR gold/11025
6911         * incremental-dump.cc (main): Use llu to print 64 bit values.
6912
6913 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6914             H.J. Lu  <hongjiu.lu@intel.com>
6915
6916         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6917         $(LIBDL).
6918         (incremental_dump_LDADD): Likewise.
6919         * Makefile.in: Regenerated.
6920
6921 2009-11-25  Doug Kwan  <dougkwan@google.com>
6922
6923         Revert:
6924
6925         2009-11-25  Doug Kwan  <dougkwan@google.com>
6926
6927                 * arm.cc (Target_arm::Target_arm): Move method definition
6928                 outside of class definition.  Add code to handle
6929                 --target1-rel, --target1-abs and --target2= options.
6930                 (Target_arm::get_reloc_reloc_type): Change method to be
6931                 non-static and const.
6932                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6933                 New data member declaration.
6934                 (Target_arm::Scan::local, Target_arm::Scan::global,
6935                 Target_arm::Relocate::relocate,
6936                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6937                 Adjust call to Target_arm::get_real_reloc_type.
6938                 (Target_arm::get_real_reloc_type): Use command line options
6939                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6940                 * options.h (--target1-rel, --target1-abs, --target2): New
6941                 ARM-only options.
6942
6943 2009-11-25  Doug Kwan  <dougkwan@google.com>
6944
6945         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6946         class definition.  Add code to handle --target1-rel, --target1-abs
6947         and --target2= options.
6948         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6949         and const.
6950         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6951         member declaration.
6952         (Target_arm::Scan::local, Target_arm::Scan::global,
6953         Target_arm::Relocate::relocate,
6954         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6955         call to Target_arm::get_real_reloc_type.
6956         (Target_arm::get_real_reloc_type): Use command line options to
6957         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6958         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6959         options.
6960
6961 2009-11-25  Doug Kwan  <dougkwan@google.com>
6962
6963         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6964         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6965         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6966         formatting.
6967         (Arm_relocate_functions::thm_call): Replace body with a call to
6968         Arm_relocate_functions::thumb_branch_common.
6969         (Arm_relocate_functions::thm_jump24,
6970         Arm_relocate_functions::thm_xpc22): New method definitions.
6971         (Arm_relocate_functions::thumb_branch_common): New method definition.
6972         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6973         operator.
6974         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6975         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6976
6977 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6978
6979         * Makefile.am: Build incremental-dump
6980         * Makefile.in: Regenerate.
6981         * incremental-dump.cc: New.
6982         * incremental.cc (Incremental_inputs_header_data,
6983         Incremental_inputs_entry_data): Move to incremental.h
6984         * incremental.h: (Incremental_inputs_header_data,
6985         Incremental_inputs_entry_data): Move from incremental.cc
6986
6987 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6988
6989         * incremental.cc (Incremental_inputs_header,
6990         Incremental_inputs_header_write, Incremental_inputs_entry,
6991         Incremental_inputs_entry_write): Add a typedef with the data type.
6992
6993 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6994
6995         * incremental.cc (Incremental_inputs_header,
6996         Incremental_inputs_header_write, Incremental_inputs_entry,
6997         Incremental_inputs_entry_write): Update comment about which
6998         type has the filed descriptions.
6999
7000 2009-11-15  Doug Kwan  <dougkwan@google.com>
7001
7002         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7003         (Arm_relocate_functions::arm_branch_common): Change method defintion
7004         in class definition to a method declaration and update list of formal
7005         parameters.
7006         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7007         Arm_relocation_functions::jump24): Adjust call to
7008         Arm_relocate_functions::arm_branch_common.  Update list of formal
7009         parameters.
7010         (Arm_relocate_functions::xpc25): New method definition.
7011         (Arm_relocate_functions::arm_branch_common): Move method defintion
7012         out from class definition.  Use stubs for mode-switching and extending
7013         branch ranges.
7014         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7015         specially.  Change code to enable use of stubs in ARM branches.
7016
7017 2009-11-10  Doug Kwan  <dougkwan@google.com>
7018
7019         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7020         in method declaration.
7021         (Target_arm::relocate_stub): New method declaration.
7022         (Target_arm::default_target): Change to return a pointer instead of
7023         a const reference.
7024         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7025         Target_arm::default_target.
7026         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7027         method definition.
7028         (Target_arm::relocate_section): Adjust view.
7029         (Target_arm::relocate_stub): New method definition.
7030
7031 2009-11-10  Doug Kwan  <dougkwan@google.com>
7032
7033         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7034         a format warning.
7035         * incremental.cc (open_incremental_binary): Initialized local
7036         variables to avoid warnings.
7037         * object.cc (make_elf_object): Ditto.
7038         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7039         a format warning.
7040
7041 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7042
7043         PR gold/10930
7044         * testsuite/plugin_test.c: Include "config.h".
7045
7046 2009-11-09  Doug Kwan  <dougkwan@google.com>
7047
7048         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7049         (arm_symbol_value): Remove.
7050         (Arm_relocate_functions::arm_branch_common,
7051         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7052         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7053         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7054         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7055         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7056         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7057         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7058         Arm_relocate_functions::thm_mobw_abs_nc,
7059         Arm_relocate_functions::thm_mov_abs,
7060         Arm_relocate_functions::movw_prel_nc,
7061         Arm_relocate_functions::thm_movt_abs,
7062         Arm_relocate_functions::movt_prel,
7063         Arm_relocate_functions::thm_movw_prel_nc,
7064         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7065         (Target_arm::Relocate::relocate): Only decompose address into two
7066         parts if relocation type uses the thumb-bit and pass the actual
7067         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7068         calls to methods in Arm_relocate_functions for this change.
7069
7070 2009-11-08  Ian Lance Taylor  <iant@google.com>
7071
7072         PR 10925
7073         * reloc.cc: Instantiate
7074         Sized_relobj::initialize_input_to_output_maps and
7075         Sized_relobj:free_input_to_output_maps.
7076
7077 2009-11-06  Ian Lance Taylor  <iant@google.com>
7078
7079         PR 10876
7080         * defstd.cc (in_segment): Set only_if_ref true for "end".
7081
7082 2009-11-06  Doug Kwan  <dougkwan@google.com>
7083
7084         * arm.cc (class Reloc_stub): Correct a comment.
7085         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7086         (Target_arm::scan_section_for_stubs): New method declaration.
7087         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7088         Change methods from private to protected.
7089         (Target_arm::do_may_relax): New method definition.
7090         (Target_arm::do_relax, Target_arm::group_sections,
7091         Target_arm::scan_reloc_for_stub,
7092         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7093         (Target_arm::arm_input_section_map_): New data member declaration.
7094         (Target_arm::scan_reloc_for_stub,
7095         Target_arm::scan_reloc_section_for_stubs,
7096         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7097         Target_arm::do_relax): New method definitions.
7098
7099 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7100
7101         * configure.ac: Check for (struct stat)::st_mtim
7102         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7103         * config.in: Regenerate.
7104         * configure: Regenerate.
7105
7106 2009-11-05  Ian Lance Taylor  <iant@google.com>
7107
7108         PR 10910
7109         * output.cc (Output_segment::add_output_section): Add missing
7110         return statement.
7111
7112 2009-11-04  Ian Lance Taylor  <iant@google.com>
7113
7114         PR 10880
7115         * object.h (class Object): Add is_needed and set_is_needed
7116         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7117         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7118         defined in a dynamic object and referenced by a regular object,
7119         set is_needed for the dynamic object.
7120         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7121         if the file is marked with as_needed and it is not needed.
7122
7123 2009-11-04  Ian Lance Taylor  <iant@google.com>
7124
7125         PR 10887
7126         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7127         tags if data is discarded by linker script.
7128         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7129         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7130         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7131         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7132
7133 2009-11-04  Ian Lance Taylor  <iant@google.com>
7134
7135         * layout.cc (Layout::get_output_section): Add is_interp and
7136         is_dynamic_linker_section parameters.  Change all callers.
7137         (Layout::choose_output_section): Likewise.
7138         (Layout::make_output_section): Likewise.
7139         (Layout::add_output_section_data): Add is_dynamic_linker_section
7140         parameter.  Change all callers.
7141         * layout.h (class Layout): Update declarations.
7142         * output.h (class Output_section): Add is_interp, set_is_interp,
7143         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7144         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7145         generate_code_fills_at_write_ to a bitfield.
7146         * output.cc (Output_section::Output_sections): Initialize new
7147         fields.
7148         (Output_segment::add_output_section): Add do_sort parameter.
7149         Change all callers.
7150
7151 2009-11-03  Ian Lance Taylor  <iant@google.com>
7152
7153         PR 10860
7154         * options.h (class General_options): Add --warn-common.
7155         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7156         merging two common symbols.
7157         (Symbol_table::should_override): Handle --warn-common when merging
7158         a common symbol with a defined symbol.  Use report_resolve_problem
7159         for multiple definitions.
7160         (Symbol_table::report_resolve_problem): New function.
7161         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7162
7163 2009-11-03  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7166         stub_factory_.
7167         (Target_arm::stub_factory): New method definition.
7168         (Target_arm::new_arm_input_section,
7169         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7170         Target_arm::reloc_uses_thumb_bit): New method declarations.
7171         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7172         New type definitions.
7173         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7174         member declarations.
7175         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7176         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7177         New method definitions.
7178
7179 2009-11-03  Ian Lance Taylor  <iant@google.com>
7180
7181         * options.h (class General_options): Add --warn_constructors.
7182
7183 2009-11-03  Ian Lance Taylor  <iant@google.com>
7184
7185         PR 10893
7186         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7187         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7188
7189 2009-11-03  Ian Lance Taylor  <iant@google.com>
7190
7191         PR 10895
7192         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7193         --msgid-bugs-address.
7194         (install-pdf): New target.
7195         (install-data_yes): Look up one directory to find mkinstalldirs.
7196
7197 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7198
7199         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7200         tree.
7201
7202 2009-10-30  Doug Kwan  <dougkwan@google.com>
7203
7204         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7205
7206 2009-10-30  Doug Kwan  <dougkwan@google.com>
7207
7208         * arm.cc (Stub_addend_reader): New struct template definition
7209         and partial specializations.
7210         (Stub_addend_reader::operator()): New method definition for a
7211         partially specialized template.
7212
7213 2009-10-30  Doug Kwan  <dougkwan@google.com>
7214
7215         * arm.cc (Arm_relobj::processor_specific_flags): New method
7216         definition.
7217         (Arm_relobj::do_read_symbols): New method declaration.
7218         (Arm_relobj::processor_specific_flags_): New data member declaration.
7219         (Arm_dynobj): New class definition.
7220         (Target_arm::do_finalize_sections): Add input_objects parameter.
7221         (Target_arm::do_adjust_elf_header): New method declaration.
7222         (Target_arm::are_eabi_versions_compatible,
7223         (Target_arm::merge_processor_specific_flags): New method declaration.
7224         (Target_arm::do_make_elf_object): New overloaded method definitions
7225         and declaration.
7226         (Arm_relobj::do_read_symbols): New method definition.
7227         (Arm_dynobj::do_read_symbols): Ditto.
7228         (Target_arm::do_finalize_sections): Add input_objects parameters.
7229         Merge processor-specific flags from all input objects.
7230         (Target_arm::are_eabi_versions_compatible,
7231         Target_arm::merge_processor_specific_flags,
7232         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7233         New method definitions.
7234         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7235         Input_objects pointer type parameter.
7236         * layout.cc (Layout::finalize): Pass input objects to target's.
7237         finalize_sections function.
7238         * output.cc (Output_file_header::do_sized_write): Set ELF file
7239         header's processor-specific flags.
7240         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7241         Input_objects pointer type parameter.
7242         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7243         * target.h (Input_objects): New forward class declaration.
7244         (Target::processor_specific_flags,
7245         Target::are_processor_specific_flags_sect): New method definitions.
7246         (Target::finalize_sections): Add input_objects parameter.
7247         (Target::Target): Initialize processor_specific_flags_ and
7248         are_processor_specific_flags_set_.
7249         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7250         parameter.
7251         (Target::set_processor_specific_flags): New method definition.
7252         (Target::processor_specific_flags_,
7253         Target::are_processor_specific_flags_set_): New data member
7254         declarations.
7255         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7256         Input_objects pointer type parameter.
7257
7258 2009-10-30  Doug Kwan  <dougkwan@google.com>
7259
7260         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7261
7262 2009-10-28  Ian Lance Taylor  <iant@google.com>
7263
7264         * object.h (class Relobj): Drop options parameter from
7265         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7266         do_scan_relocs, do_relocate.  Change all callers.
7267         (class Sized_relobj): Drop options parameters from
7268         do_gc_process_relocs, do_scan_relocs, do_relocate,
7269         do_relocate_sections, relocate_sections, emit_relocs_scan,
7270         emit_relocs_scan_reltype.  Change all callers.
7271         (struct Relocate_info): Remove options field and all references to
7272         it.
7273         * reloc.h (class Read_relocs): Remove options constructor
7274         parameter and options_ field.  Change all callers.
7275         (class Gc_process_relocs, class Scan_relocs): Likewise.
7276         (class Relocate_task): Likewise.
7277         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7278         all callers.
7279         (scan_relocatable_relocs): Likewise.
7280         * target.h (class Sized_target): Remove options parameter from
7281         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7282         all callers.
7283         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7284         callers.
7285         * arm.cc: Update functions to remove options parameters.
7286         * i386.cc: Likewise.
7287         * powerpc.cc: Likewise.
7288         * sparc.cc: Likewise.
7289         * x86_64.cc: Likewise.
7290         * testsuite/testfile.cc: Likewise.
7291
7292 2009-10-28  Doug Kwan  <dougkwan@google.com>
7293
7294         * arm.cc (Arm_relobj): New class definition.
7295         (Arm_relobj::scan_sections_for_stubs,
7296         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7297         New method definitions.
7298
7299 2009-10-28  Cary Coutant  <ccoutant@google.com>
7300
7301         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7302         (Plugin::cleanup_done_): New member.
7303         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7304         (Plugin_manager::cleanup_done_): Remove.
7305         (Plugin_manager::add_input_file): Edit error message.
7306         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7307         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7308
7309 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7310
7311         * fileread.cc: (File_read::View::~View): Use the new
7312         data_ownership_ filed.
7313         (File_read::~File_read): Dispose the new whole_file_view_.
7314         (File_read::open): Mmap the whole file if needed.
7315         (File_read::open): Use whole_file_view_ instead of contents_.
7316         (File_read::find_view): Use whole_file_view_ if applicable.
7317         (File_read::do_read): Use whole_file_view_ instead of contents_.
7318         (File_read::make_view): Use whole_file_view_ instead of contents_,
7319         update File_read::View::View call.
7320         (File_read::find_or_make_view): Update File_read::View::View
7321         call.
7322         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7323         remove contents_
7324         (File_read::View::Data_ownership): New enum.
7325         (File_read::View::View): Replace bool mapped_ with Data_ownership
7326         argument.
7327         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7328         (File_read::View::data_ownership_): New field.
7329         (File_read::contents_): Remove (replaced by whole_file_view_).
7330         (File_read::whole_file_view_): New field.
7331         * options.h (class General_options): Add --keep-files-mapped.
7332
7333 2009-10-27  Cary Coutant  <ccoutant@google.com>
7334
7335         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7336         * testsuite/Makefile.am (plugin_test_5): New test case.
7337         * testsuite/Makefile.in: Regenerate.
7338
7339 2009-10-25  Doug Kwan  <dougkwan@google.com>
7340
7341         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7342         from private to protected to allow access by child class.
7343         (Sized_relobj::do_relocate_sections): New method declaration.
7344         (Sized_relobj::relocate_sections): Virtualize.
7345         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7346         Sized_relobj::relocate_sections.  Instantiate template explicitly
7347         for different target sizes and endianity.
7348
7349 2009-10-24  Doug Kwan  <dougkwan@google.com>
7350
7351         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7352         (Arm_input_section::as_arm_input_section): New method.
7353         (Arm_output_section): New class definition.
7354         (Arm_output_section::create_stub_group,
7355         Arm_output_section::group_sections): New method definitions.
7356
7357 2009-10-22  Doug Kwan  <dougkwan@google.com>
7358
7359         * arm.cc (Arm_input_section): New class definition.
7360         (Arm_input_section::init, Arm_input_section:do_write,
7361         Arm_input_section::set_final_data_size,
7362         Arm_input_section::do_reset_address_and_file_offset): New method
7363         definitions.
7364
7365 2009-10-21  Doug Kwan  <dougkwan@google.com>
7366
7367         * arm.cc (Stub_table, Arm_input_section): New forward class
7368         declarations.
7369         (Stub_table): New class defintion.
7370         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7371         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7372         New method definition.
7373
7374 2009-10-21  Doug Kwan  <dougkwan@google.com>
7375
7376         * arm.cc: Update copyright comments.
7377         (Target_arm): New forward class template declaration.
7378         (Arm_address): New type.
7379         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7380         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7381         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7382         constants.
7383         (Insn_template): Same.
7384         (DEF_STUBS): New macro.
7385         (Stub_type): New enum type.
7386         (Stub_template): New class definition.
7387         (Stub): Same.
7388         (Reloc_stub): Same.
7389         (Stub_factory): Same.
7390         (Target_arm::Target_arm): Initialize may_use_blx_ and
7391         should_force_pic_veneer_.
7392         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7393         Target_arm::should_force_pic_veneer,
7394         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7395         Target_arm::using_thumb_only, Target_arm:;default_target): New
7396         method defintions.
7397         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7398         New data member declarations.
7399         (Insn_template::size, Insn_template::alignment): New method defintions.
7400         (Stub_template::Stub_template): New method definition.
7401         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7402         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7403         (Stub_factory::Stub_factory): New method definition.
7404         * gold.h (string_hash): New template.
7405         * output.h (Input_section_specifier::hash_value): Use
7406         gold::string_hash.
7407         (Input_section_specifier::string_hash): Remove.
7408         * stringpool.cc (Stringpool_template::string_hash): Use
7409         gold::string_hash.
7410
7411 2009-10-20  Doug Kwan  <dougkwan@google.com>
7412
7413         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7414         symbols of relaxed input sections.
7415         * output.h (Output_section::find_relaxed_input_section): Make
7416         method public.
7417
7418 2009-10-16  Doug Kwan  <dougkwan@google.com>
7419
7420         * dynobj.cc (Versions::Versions): Initialize version_script_.
7421         Only insert base version symbol definition for a shared object
7422         if version script defines any version versions.
7423         (Versions::define_base_version): New method definition.
7424         (Versions::add_def): Check that base version is not needed.
7425         (Versions::add_need): Define base version lazily.
7426         * dynobj.h (Versions::define_base_version): New method declaration.
7427         (Versions::needs_base_version_): New data member declaration.
7428         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7429         (check_DATA): Add no_version_test.stdout.
7430         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7431         New make rules.
7432         * testsuite/Makefile.in: Regenerate.
7433         * testsuite/no_version_test.c: New file.
7434         * testsuite/no_version_test.sh: Ditto.
7435
7436 2009-10-16  Doug Kwan  <dougkwan@google.com>
7437
7438         * expression.cc (class Segment_start_expression): New class definition.
7439         (Segment_start_expression::value): New method definition.
7440         (script_exp_function_segment_start): Return a new
7441         Segment_start_expression.
7442         * gold/script-c.h (script_saw_segment_start_expression): New function
7443         prototype.
7444         * script-sections.cc (Script_sections::Script_sections): Initialize
7445         SAW_SEGMENT_START_EXPRESSION_ to false.
7446         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7447         and -Tbbs options to specify section addresses if given in
7448         command line and no SEGMENT_START expression is seen in a script.
7449         * script-sections.h (Script_sections::saw_segment_start_expression,
7450         Script_sections::set_saw_segment_start_expression): New method
7451         definition.
7452         (Script_sections::saw_segment_start_expression_): New data member
7453         declaration.
7454         * script.cc (script_saw_segment_start_expression): New function.
7455         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7456         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7457         script_test_7.sh and script_test_8.sh.
7458         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7459         script_test_8.stdout.
7460         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7461         (script_test_6, script_test_6.stdout, script_test_7,
7462         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7463         * Makefile.in: Regenerate.
7464         * testsuite/script_test_6.sh: New file.
7465         * testsuite/script_test_6.t: Same.
7466         * testsuite/script_test_7.sh: Same.
7467         * testsuite/script_test_7.t: Same.
7468         * testsuite/script_test_8.sh: Same.
7469
7470 2009-10-16  Doug Kwan  <dougkwan@google.com>
7471
7472         * output.cc (Output_segment::set_section_list_address): Cast
7473         expressions to unsigned long long type to avoid format warnings.
7474
7475 2009-10-15  Ian Lance Taylor  <iant@google.com>
7476
7477         * script.cc (Script_options::add_symbol_assignment): Always add a
7478         dot assignment to script_sections_.
7479         * script-sections.cc (Script_sections::add_dot_assignment):
7480         Initialize if necessary.
7481
7482         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7483         program headers with no load segment if there is a linker script.
7484
7485         * layout.cc (Layout::set_segment_offsets): Align the file offset
7486         to the segment aligment for -N or -n with no load segment.
7487         * output.cc (Output_segment::add_output_section): Don't crash if
7488         the first section is a TLS section.
7489         (Output_segment::set_section_list_addresses): Print an error
7490         message if the address moves backward in a linker script.
7491         * script-sections.cc
7492         (Output_section_element_input::set_section_addresses): Don't
7493         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7494         (Orphan_output_section::set_section_addresses): Likewise.
7495
7496 2009-10-15  Doug Kwan  <dougkwan@google.com>
7497
7498         * layout.cc (Layout::finish_dynamic_section): Generate tags
7499         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7500         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7501         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7502
7503 2009-10-14  Ian Lance Taylor  <iant@google.com>
7504
7505         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7506         fields.
7507         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7508         data_shdr fields of relinfo.
7509         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7510         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7511         R_386_TLS_LDO_32, adjust based on section flags.
7512         (Target_i386::Relocate::fix_up_ldo): Remove.
7513
7514 2009-10-13  Ian Lance Taylor  <iant@google.com>
7515
7516         Add support for -pie.
7517         * options.h (class General_options): Add -pie and
7518         --pic-executable.
7519         (General_options::output_is_position_independent): Test -pie.
7520         (General_options::output_is_executable): Return true if not shared
7521         and not relocatable.
7522         (General_options::output_is_pie): Remove.
7523         * options.cc (General_options::finalize): Reject incompatible uses
7524         of -pie.
7525         * gold.cc (queue_middle_tasks): A -pie link is not static.
7526         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7527         * symtab.cc (Symbol::final_value_is_known): Return false if
7528         output_is_position_independent.
7529         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7530         output_is_position_independent.
7531         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7532         output_is_position_independent.
7533         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7534         output_is_position_independent.
7535         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7536         two_file_pie_test.
7537         (basic_pie_test.o, basic_pie_test): New targets.
7538         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7539         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7540         (two_file_pie_test): New target.
7541         * testsuite/Makefile.in: Rebuild.
7542         * README: Remove note saying that -pie is not supported.
7543
7544 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7545
7546         * options.h (class General_options): Add -init and -fini.
7547         * layout.cc (Layout::finish_dynamic_section): Emit
7548         given init and fini functions.
7549
7550 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7551
7552         * gc.h (gc_process_relocs): Check if icf is enabled using new
7553         function.
7554         * gold.cc (queue_initial_tasks): Likewise.
7555         (queue_middle_tasks): Likewise.
7556         * object.cc (do_layout): Likewise.
7557         * symtab.cc (is_section_folded): Likewise.
7558         * main.cc (main): Likewise.
7559         * reloc.cc (Read_relocs::run): Likewise.
7560         (Sized_relobj::do_scan_relocs): Likewise.
7561         * icf.cc (is_function_ctor_or_dtor): New function.
7562         (Icf::find_identical_sections): Check if function is ctor or dtor when
7563         safe icf is chosen.
7564         * options.h (General_options::icf): Change option to be an enum.
7565         (Icf_status): New enum.
7566         (icf_enabled): New method.
7567         (icf_safe_folding): New method.
7568         (set_icf_status): New method.
7569         (icf_status_): New variable.
7570         * (options.cc) (General_options::finalize): Set icf_status_.
7571         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7572         icf_test and icf_keep_unique_test to use the --icf enum flag.
7573         * testsuite/icf_safe_test.sh: New file.
7574         * testsuite/icf_safe_test.cc: New file.
7575
7576 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7577
7578         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7579         includes to gc.h and icf.h.
7580         * arm.cc: Include gc.h.
7581         * gold.cc: Likewise.
7582         * i386.cc: Likewise.
7583         * powerpc.cc: Likewise.
7584         * sparc.cc: Likewise.
7585         * x86_64.cc: Likewise.
7586         * gc.h: Include icf.h.
7587
7588 2009-10-11  Ian Lance Taylor  <iant@google.com>
7589
7590         * plugin.cc: Include "gold.h" before other header files.
7591
7592 2009-10-10  Chris Demetriou  <cgd@google.com>
7593
7594         * options.h (Input_file_argument::Input_file_type): New enum.
7595         (Input_file_argument::is_lib_): Replace with...
7596         (Input_file_argument::type_): New member.
7597         (Input_file_argument::Input_file_argument): Take Input_file_type
7598         'type' rather than boolean 'is_lib' as second argument.
7599         (Input_file_argument::is_lib): Use type_.
7600         (Input_file_argument::is_searched_file): New function.
7601         (Input_file_argument::may_need_search): Handle is_searched_file.
7602         * options.cc (General_options::parse_library): Support -l:filename.
7603         (General_options::parse_just_symbols): Update for Input_file_argument
7604         changes.
7605         (Command_line::process): Likewise.
7606         * archive.cc (Archive::get_file_and_offset): Likewise.
7607         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7608         * script.cc (read_script_file, script_add_file): Likewise.
7609         * fileread.cc (Input_file::Input_file): Likewise.
7610         (Input_file::will_search_for): Handle is_searched_file.
7611         (Input_file::open): Likewise.
7612         * readsyms.cc (Read_symbols::get_name): Likewise.
7613         * testsuite/Makefile.am (searched_file_test): New test.
7614         * testsuite/Makefile.in: Regenerate.
7615         * testsuite/searched_file_test.cc: New file.
7616         * testsuite/searched_file_test_lib.cc: New file.
7617
7618 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7619             Ian Lance Taylor  <iant@google.com>
7620
7621         * descriptor.cc: Include <cstdio> and "binary-io.h".
7622         (Descriptors::open): Open the files in binary mode always.
7623         * script.cc (Lex::get_token): Treat \r as whitespace.
7624
7625 2009-10-09  Ian Lance Taylor  <iant@google.com>
7626
7627         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7628
7629 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7630             Ian Lance Taylor  <iant@google.com>
7631
7632         * configure.ac: Check for readv function also.
7633         * fileread.cc (readv): Define if not HAVE_READV.
7634         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7635         does not exist.
7636         * config.in: Regenerate.
7637         * configure: Regenerate.
7638
7639 2009-10-09  Doug Kwan  <dougkwan@google.com>
7640
7641         * layout.cc (Layout::make_output_section): Call target hook to make
7642         ordinary output section.
7643         (Layout::finalize): Adjust parameter list of call the
7644         Target::may_relax().
7645         * layout.h (class Layout::section_list): New method.
7646         * merge.h (Output_merge_base::entsize): Change visibility to public.
7647         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7648         New methods.
7649         (Output_merge_string::do_is_string): New method.
7650         * object.cc (Sized_relobj::do_setup): renamed from
7651         Sized_relobj::set_up.
7652         * object.h (Sized_relobj::adjust_shndx,
7653         Sized_relobj::initializ_input_to_output_maps,
7654         Sized_relobj::free_input_to_output_maps): Change visibilities to
7655         protected.
7656         (Sized_relobj::setup): Virtualize.
7657         (Sized_relobj::do_setup): New method declaration.
7658         (Sized_relobj::invalidate_section_offset,
7659         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7660         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7661         * options.cc (parse_int): New function.
7662         * options.h (parse_int): New declaration.
7663         (DEFINE_int): New macro.
7664         (stub_group_size): New option.
7665         * output.cc (Output_section::Output_section): Initialize memebers
7666         merge_section_map_, merge_section_by_properties_map_,
7667         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7668         (Output_section::add_input_section): Handled deferred code-fill
7669         generation and remove an old comment.
7670         (Output_section::add_relaxed_input_section): New method definition.
7671         (Output_section::add_merge_input_section): Use merge section by
7672         properties map to speed to search.  Update merge section maps
7673         as appropriate.
7674         (Output_section::build_relaxation_map): New method definition.
7675         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7676         Same.
7677         (Output_section::relax_input_section): Renamed to
7678         Output_section::convert_input_sections_to_relaxed_sections and change
7679         interface to take a vector of pointers to relaxed sections.
7680         (Output_section::find_merge_section,
7681         Output_section::find_relaxed_input_section): New method definitions.
7682         (Output_section::is_input_address_mapped,
7683         Output_section::output_offset, Output_section::output_address):
7684         Use output section data maps to speed up searching.
7685         (Output_section::find_starting_output_address): Add comments.
7686         (Output_section::do_write,
7687         Output_section::write_to_postprocessing_buffer): Do code-fill
7688         generation as appropriate.
7689         (Output_section::get_input_sections): Invalidate relaxed input section
7690         map.
7691         (Output_section::restore_states): Adjust type of checkpoint .
7692         Invalidate relaxed input section map.
7693         * output.h (Output_merge_base): New class declaration.
7694         (Input_section_specifier): New class defintion.
7695         (class Output_relaxed_input_section) Change base class to
7696         Output_section_data_build.
7697         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7698         base class initializer.
7699         (Output_section::add_relaxed_input_section): New method declaration.
7700         (Output_section::Input_section): Change visibility to protected.
7701         (Output_section::Input_section::relobj,
7702         Output_section::Input_section::shndx): Handle relaxed input sections.
7703         Output_section::input_sections) Change visibility to protected.  Also
7704         define overload to return a non-const pointer.
7705         (Output_section::Merge_section_properties): New class defintion.
7706         (Output_section::Merge_section_by_properties_map,
7707         Output_section::Output_section_data_by_input_section_map,
7708         Output_section::Relaxation_map): New types.
7709         (Output_section::relax_input_section): Rename method to
7710         Output_section::convert_input_sections_to_relaxed_sections and change
7711         interface to take a vector of relaxed section pointers.
7712         (Output_section::find_merge_section,
7713         Output_section::find_relaxed_input_section,
7714         Output_section::build_relaxation_map,
7715         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7716         New method declarations.
7717         (Output_section::merge_section_map_
7718         Output_section::merge_section_by_properties_map_,
7719         Output_section::relaxed_input_section_map_,
7720         Output_section::is_relaxed_input_section_map_valid_,
7721         Output_section::generate_code_fills_at_write_): New data members.
7722         * script-sections.cc
7723         (Output_section_element_input::set_section_addresses): Call
7724         current_data_size and addralign methods of relaxed input sections.
7725         (Orphan_output_section::set_section_addresses): Call current_data_size
7726         and addralign methods of relaxed input sections.
7727         * symtab.cc (Symbol_table::compute_final_value): Extract template
7728         from the body of Symbol_table::sized_finalize_symbol.
7729         (Symbol_table::sized_finalized_symbol): Call
7730         Symbol_table::compute_final_value.
7731         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7732         (Symbol_table::compute_final_value): New templated method declaration.
7733         * target.cc (Target::do_make_output_section): New method defintion.
7734         * target.h (Target::make_output_section): New method declaration.
7735         (Target::relax): Add more parameters for input objects, symbol table
7736         and layout.  Adjust call to do_relax.
7737         (Target::do_make_output_section): New method declaration.
7738         (Target::do_relax): Add parameters for input objects, symbol table
7739         and layout.
7740
7741 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7742
7743         * pread.c: Include stdio.h.
7744
7745 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7746
7747         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7748         defined.
7749
7750 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7751
7752         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7753         Change read_shndx type to unsigned int.
7754         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7755         int.
7756         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7757         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7758         Change read_shndx type to unsigned int.
7759         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7760         int.
7761         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7762         * layout.cc (Layout::create_symtab_sections): Cast the result of
7763         local_symcount * symsize to off_t in the gold_assert.
7764
7765 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7766
7767         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7768         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7769         R_ARM_BASE_ABS.
7770         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7771         (Arm_relocate_functions::thm_abs5): New function.
7772         (Arm_relocate_functions::abs12): New function.
7773         (Arm_relocate_functions::abs16): New function.
7774         (Arm_relocate_functions::base_abs): New function.
7775         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7776         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7777         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7778         R_ARM_BASE_ABS.
7779         (Scan::global): Likewise.
7780         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7781         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7782         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7783         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7784         R_ARM_BASE_ABS.
7785
7786 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7787
7788         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7789         (Arm_relocate_functions::movt_prel): New function.
7790         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7791         (Arm_relocate_functions::thm_movt_prel): New function.
7792         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7793         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7794         (Scan::global, Relocate::relocate): Likewise.
7795         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7796
7797 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7798
7799         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7800         Incremental_checker.
7801         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7802         unsigned int.
7803         (class Incremental_inputs_header): New class.
7804         (Incremental_inputs_header_writer): Edit comment.
7805         (Incremental_inputs_entry): New class.
7806         (Incremental_inputs_entry_writer): Edit comment.
7807         (Sized_incremental_binary::do_find_incremental_inputs_section):
7808         Add *strtab_shndx parameter, fill it.
7809         (Sized_incremental_binary::do_check_inputs): New method.
7810         (Incremental_checker::can_incrementally_link_output_file): Use
7811         Sized_incremental_binary::check_inputs.
7812         (Incremental_inputs::report_command_line): Save command line in
7813         command_line_.
7814         * incremental.h:
7815         (Incremental_binary::find_incremental_inputs_section): New
7816         method.
7817         (Incremental_binary::do_find_incremental_inputs_section): Add
7818         strtab_shndx parameter.
7819         (Incremental_binary::do_check_inputs): New pure virtual method.
7820         (Sized_incremental_binary::do_check_inputs): Declare.
7821         (Incremental_checker::Incremental_checker): Add incremental_inputs
7822         parameter, use it to initialize incremental_inputs_.
7823         (Incremental_checker::incremental_inputs_): New field.
7824         (Incremental_checker::command_line): New method.
7825         (Incremental_checker::inputs): New method.
7826         (Incremental_checker::command_line_): New field.
7827
7828 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7829
7830         * incremental.cc: Include <cstdarg> and "target-select.h".
7831         (vexplain_no_incremental): New function.
7832         (explain_no_incremental): New function.
7833         (Incremental_binary::error): New method.
7834         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7835         method.
7836         (make_sized_incremental_binary): New function.
7837         (open_incremental_binary): New function.
7838         (can_incrementally_link_file): Add checks if output is ELF and has
7839         inputs section.
7840         * incremental.h: Include "elfcpp_file.h" and "output.h".
7841         (Incremental_binary): New class.
7842         (Sized_incremental_binary): New class.
7843         (open_incremental_binary): Declare.
7844         * object.cc (is_elf_object): Use
7845         elfcpp::Elf_recognizer::is_elf_file.
7846         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7847         * output.h (Output_file::filesize): New method.
7848
7849 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7850
7851         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7852         New function.
7853         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7854         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7855         function.
7856         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7857         function.
7858         (Arm_relocate_functions::movw_abs_nc): New function.
7859         (Arm_relocate_functions::movt_abs): New function.
7860         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7861         (Arm_relocate_functions::thm_movt_abs): New function.
7862         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7863         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7864         (Scan::global): Likewise.
7865         (Relocate::relocate): Likewise.
7866         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7867
7868 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7869
7870         * arm.cc (Arm_relocate_functions::got_prel) New function.
7871         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7872         (Relocate::relocate): Likewise.
7873         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7874
7875 2009-10-06  Ian Lance Taylor  <iant@google.com>
7876
7877         * options.h (class General_options): Define
7878         split_stack_adjust_size parameter.
7879         * object.h (class Object): Add uses_split_stack_ and
7880         has_no_split_stack_ fields.  Add uses_split_stack and
7881         has_no_split_stack accessor functions.  Declare
7882         handle_split_stack_section.
7883         (class Reloc_symbol_changes): Define.
7884         (class Sized_relobj): Define Function_offsets.  Declare
7885         split_stack_adjust, split_stack_adjust_reltype, and
7886         find_functions.
7887         * object.cc (Object::handle_split_stack_section): New function.
7888         (Sized_relobj::do_layout): Call handle_split_stack_section.
7889         * dynobj.cc (Sized_dynobj::do_layout): Call
7890         handle_split_stack_section.
7891         * reloc.cc (Sized_relobj::relocate_sections): Call
7892         split_stack_adjust for executable sections in split_stack
7893         objects.  Pass reloc_map to relocate_section.
7894         (Sized_relobj::split_stack_adjust): New function.
7895         (Sized_relobj::split_stack_adjust_reltype): New function.
7896         (Sized_relobj::find_functions): New function.
7897         * target-reloc.h: Include "object.h".
7898         (relocate_section): Add reloc_symbol_changes parameter.  Change
7899         all callers.
7900         * target.h (class Target): Add calls_non_split method.  Declare
7901         do_calls_non_split virtual method.  Declare match_view and
7902         set_view_to_nop.
7903         * target.cc: Include "elfcpp.h".
7904         (Target::do_calls_non_split): New function.
7905         (Target::match_view): New function.
7906         (Target::set_view_to_nop): New function.
7907         * gold.cc (queue_middle_tasks): Give an error if mixing
7908         split-stack and non-split-stack objects with -r.
7909         * i386.cc (Target_i386::relocate_section): Add
7910         reloc_symbol_changes parameter.
7911         (Target_i386::do_calls_non_split): New function.
7912         * x86_64.cc (Target_x86_64::relocate_section): Add
7913         reloc_symbol_changes parameter.
7914         (Target_x86_64::do_calls_non_split): New function.
7915         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7916         parameter.
7917         * powerpc.cc (Target_powerpc::relocate_section): Add
7918         reloc_symbol_changes parameter.
7919         * sparc.cc (Target_sparc::relocate_section): Add
7920         reloc_symbol_changes parameter.
7921         * configure.ac: Call AM_CONDITIONAL for the default target.
7922         * configure: Rebuild.
7923         * testsuite/Makefile.am (TEST_AS): New variable.
7924         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7925         (check_DATA): Add split_i386 and split_x86_64 files.
7926         (SPLIT_DEFSYMS): Define.
7927         (split_i386_[1234n].o): New targets.
7928         (split_i386_[124]): New targets.
7929         (split_i386_[1234r].stdout): New targets.
7930         (split_x86_64_[1234n].o): New targets.
7931         (split_x86_64_[124]): New targets.
7932         (split_x86_64_[1234r].stdout): New targets.
7933         (MOSTLYCLEANFILES): Add new executables.
7934         * testsuite/split_i386.sh: New file.
7935         * testsuite/split_x86_64.sh: New file.
7936         * testsuite/split_i386_1.s: New file.
7937         * testsuite/split_i386_2.s: New file.
7938         * testsuite/split_i386_3.s: New file.
7939         * testsuite/split_i386_4.s: New file.
7940         * testsuite/split_i386_n.s: New file.
7941         * testsuite/split_x86_64_1.s: New file.
7942         * testsuite/split_x86_64_2.s: New file.
7943         * testsuite/split_x86_64_3.s: New file.
7944         * testsuite/split_x86_64_4.s: New file.
7945         * testsuite/split_x86_64_n.s: New file.
7946         * testsuite/testfile.cc (Target_test): Update relocation_section
7947         function.
7948         * testsuite/Makefile.in: Rebuild.
7949
7950 2009-10-06  Ian Lance Taylor  <iant@google.com>
7951
7952         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7953         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7954         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7955         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7956         the address on ldo_addrs_.
7957         (Target_i386::Relocate::fix_up_ldo): New function.
7958
7959 2009-10-06   Rafael Espindola  <espindola@google.com>
7960
7961         * plugin.cc (add_input_library): New.
7962         (Plugin::load): Add add_input_library to tv.
7963         (Plugin_manager::add_input_file): Add the is_lib argument.
7964         (add_input_file): Update call to Plugin_manager::add_input_file.
7965         (add_input_library): New.
7966         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7967
7968 2009-09-30  Doug Kwan  <dougkwan@google.com>
7969
7970         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7971         symbol and call Symbol::may_need_copy_reloc to determine if
7972         a copy reloc is needed.
7973         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7974         nocopyreloc is given in command line.
7975         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7976         given in command line.
7977         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7978         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7979         of the removed Target_i386::may_need_copy_reloc.
7980         * options.h (copyreloc): New option with default value false.
7981         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7982         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7983         instead of the removed Target_powerpc::may_need_copy_reloc.
7984         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7985         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7986         instead of the removed Target_sparc::may_need_copy_reloc.
7987         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7988         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7989         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7990         instead of the removed Target_x86_64::may_need_copy_reloc.
7991
7992 2009-09-30  Ian Lance Taylor  <iant@google.com>
7993
7994         * object.h (class Object): Remove target_ field, and target,
7995         sized_target, and set_target methods.
7996         (Object::sized_target): Remove.
7997         (class Sized_relobj): Update declarations.  Remove sized_target.
7998         * object.cc (Sized_relobj::setup): Remove target parameter.
7999         Change all callers.
8000         (Input_objects::add_object): Don't do anything with the target.
8001         (make_elf_sized_object): Add punconfigured parameter.  Change all
8002         callers.  Set or test parameter target.
8003         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8004         Change all callers.
8005         * parameters.cc (Parameters::set_target): Change parameter type to
8006         be non-const.
8007         (Parameters::default_target): Remove.
8008         (set_parameters_target): Change parameter type to be non-const.
8009         (parameters_force_valid_target): New function.
8010         (parameters_clear_target): New function.
8011         * parameters.h (class Parameters): Update declarations.  Remove
8012         default_target method.  Add sized_target and clear_target
8013         methods.  Change target_ to be non-const.
8014         (set_parameters_target): Update declaration.
8015         (parameters_force_valid_target): Declare.
8016         (parameters_clear_target): Declare.
8017         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8018         as NULL if we aren't searching.
8019         (Add_symbols::run): Don't check for compatible target.
8020         * fileread.cc (Input_file::open_binary): Call
8021         parameters_force_valid_target.
8022         * gold.cc (queue_middle_tasks): Likewise.
8023         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8024         set_target on object.
8025         * dynobj.h (class Sized_dynobj): Update declarations.
8026         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8027         make_elf_object returns NULL.
8028         (Archive::include_member): Don't check whether object target is
8029         compatible.
8030         * output.cc (Output_section::add_input_section): Get target from
8031         parameters.
8032         (Output_section::relax_input_section): Likewise.
8033         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8034         parameters.
8035         (Sized_relobj::do_scan_relocs): Likewise.
8036         (Sized_relobj::relocate_sections): Likewise.
8037         * resolve.cc (Symbol_table::resolve): Likewise.
8038         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8039         parameter.  Change all callers.
8040         (Symbol_table::add_from_object): Get target from parameters.
8041         (Symbol_table::add_from_relobj): Don't check object target.
8042         (Symbol_table::add_from_dynobj): Likewise.
8043         (Symbol_table::define_special_symbol): Get target from
8044         parameters.
8045         * symtab.h (class Symbol_table): Update declaration.
8046         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8047         parameter.  Change all callers.  Clear parameter target.
8048         (Binary_test): Test target here.
8049         * testsuite/object_unittest.cc (gold_testsuite): Remove
8050         target_test_pointer parameter.  Change all callers.
8051         (Object_test): Test target here.
8052
8053 2009-09-26  Ian Lance Taylor  <iant@google.com>
8054
8055         * testsuite/initpri1.c: Don't try to use constructor priorities if
8056         compiling with gcc before 4.3.
8057
8058 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8059
8060         * testsuite/retain_symbols_file_test.sh (check_present): Change
8061         output file name to retain_symbols_file_test.stdout.
8062         (check_absent): Likewise.
8063
8064 2009-09-18  Craig Silverstein  <csilvers@google.com>
8065
8066         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8067         * options.cc: Include <cerrno> and <fstream>.
8068         (General_options::finalize): Parse -retain-symbols-file tag.
8069         * options.h: New flag.
8070         (General_options): New method should_retain_symbol, new
8071         variable symbols_to_retain.
8072         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8073         should_retain_symbol map.
8074         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8075         * testsuite/Makefile.in: Regenerate.
8076         * testsuite/retain_symbols_file_test.sh: New file.
8077
8078 2009-09-18  Nick Clifton  <nickc@redhat.com>
8079
8080         * po/es.po: Updated Spanish translation.
8081
8082 2009-09-17  Doug Kwan  <dougkwan@google.com>
8083
8084         * debug.h (DEBUG_RELAXATION): New constant.
8085         (DEBUG_ALL): Add DEBUG_RELAXATION.
8086         (debug_string_to_enum): Add relaxation debug option.
8087         * layout.cc
8088         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8089         Layout::Relaxation_debug_check::read_sections,
8090         Layout::Relaxation_debug_check::read_sections): New method definitions.
8091         (Layout::Layout): Initialize data members
8092         record_output_section_data_from_scrips_,
8093         script_output_section_data_list_ and relaxation_debug_check_.
8094         (Layout::save_segments, Layout::restore_segments,
8095         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8096         Layout::relaxation_loop_body): New method definitions.
8097         (Layout::finalize): Support relaxation.  Move section layout code to
8098         Layout::relaxation_loop_body.
8099         (Layout::set_asection_address_from_script): Move code for orphan
8100         section placement out.
8101         (Layout::place_orphan_sections_in_script): New method definition.
8102         * layout.h (Output_segment_headers, Output_file_header):
8103         New forward class declarations.
8104         (Layout::~Layout): Define.
8105         (Layout::new_output_section_data_from_script): New method definition.
8106         (Layout::place_orphan_sections_in_script): New method declaration.
8107         (Layout::Segment_states): New type declaration.
8108         (Layout::save_segments, Layout::restore_segments,
8109         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8110         Layout::relaxation_loop_body): New method declarations.
8111         (Layout::Output_section_data_list): New type declaration.
8112         (Layout::Relaxation_debug_check): New class definition.
8113         (Layout::record_output_section_data_from_script_,
8114         Layout::script_output_section_data_list_, Layout::segment_states_,
8115         Layout::relaxation_debug_check_): New data members.
8116         * output.cc: (Output_section_headers::do_size): New method definition.
8117         (Output_section_headers::Output_section_headers): Move size
8118         computation to Output_section_headers::do_size.
8119         (Output_segment_headers::do_size): New method definition.
8120         (Output_file_header::Output_file_header): Move size computation to
8121         Output_file_header::do_size and call it.
8122         (Output_file_header::do_size): New method definition.
8123         (Output_data_group::Output_data_group): Adjust call to
8124         Output_section_data.
8125         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8126         (Output_symtab_xindex::do_write): Add array bound check.
8127         (Output_section::Input_section::print_to_mapfile): Handle
8128         RELAXED_INPUT_SECTION_CODE.
8129         (Output_section::Output_section): Initialize data member checkpoint_.
8130         (Output_section::~Output_section): Delete checkpoint object pointed
8131         by checkpoint_.
8132         (Output_section::add_input_section): Always add an Input_section if
8133         relaxing.
8134         (Output_section::add_merge_input_section): Add assert.
8135         (Output_section::relax_input_section): New method definition.
8136         (Output_section::set_final_data_size): Set load address to zero for
8137         an unallocated section.
8138         (Output_section::do_address_and_file_offset_have_reset_values):
8139         New method definition.
8140         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8141         Handle relaxed input section.
8142         (Output_section::sort_attached_input_sections): Checkpoint input
8143         section list lazily.
8144         (Output_section::get_input_sections): Change type of input_sections to
8145         list of Simple_input_section pointers.  Checkpoint input section list
8146         lazily.  Also handle relaxed input sections.
8147         (Output_section::add_input_section_for_script): Take a reference to
8148         a Simple_input_section object instead of Relobj pointer and section
8149         index as parameter.  Handle relaxed input sections.
8150         (Output_section::save_states, Output_section::restore_states): New
8151         method definitions.
8152         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8153         (Output_data::is_data_size_fixed): New method definition.
8154         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8155         if it is fixed.
8156         (Output_data::address_and_file_offset_have_reset_values): New method
8157         definition.
8158         (Output_data::do_address_and_file_offset_have_reset_values): New method
8159         definition.
8160         (Output_data::set_data_size): Check that data size is not fixed.
8161         (Output_data::fix_data_size): New method definition.
8162         (Output_data::is_data_size_fixed_): New data member.
8163         (Output_section_headers::set_final_data_size): New method definition.
8164         (Output_section_headers::do_size): New method declaration.
8165         (Output_segment_headers::set_final_data_size): New method definition.
8166         (Output_segment_headers::do_size): New method declaration.
8167         (Output_file_header::set_final_data_size)::New method definition.
8168         (Output_file_header::do_size)::New method declaration.
8169         (Output_section_data::Output_section_data): Add new parameter
8170         is_data_size_fixed and use it to fix data size.
8171         (Output_data_const::Output_data_const): Adjust call to base class
8172         constructor and fix data size.
8173         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8174         base class constructor and fix data size.
8175         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8176         base class constructor and fix data size.
8177         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8178         class constructor and fix data size.
8179         (Output_data_group::set_final_data_size): New method definition.
8180         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8181         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8182         class constructor and fix data size.
8183         (Output_relaxed_input_section): New class definition.
8184         (Output_section::Simple_input_section): New class definition.
8185         (Output_section::get_input_sections): Adjust parameter list.
8186         (Output_section::add_input_section_for_script): Same.
8187         (Output_section::save_states, Output_section::restore_states,
8188         Output_section::do_address_and_file_offset_have_reset_values,
8189         (Output_section::Input_section::Input_section): Handle
8190         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8191         Output_relaxed_input_section.
8192         (Output_section::Input_section::is_input_section,
8193         Output_section::Input_section::set_output_section): Handle relaxed
8194         input section.
8195         (Output_section::Input_section::is_relaxed_input_section,
8196         Output_section::Input_section::output_section_data,
8197         Output_section::Input_section::relaxed_input_section): New method
8198         definitions.
8199         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8200         value.
8201         (Output_section::Input_section::u1_): Update comments.
8202         (Output_section::Input_section::u2_): Add new union member poris.
8203         (Output_section::Checkpoint_output_section): New classs definition.
8204         (Output_section::relax_input_section): New method declaration.
8205         (Output_section::checkpoint_): New data member.
8206         (Output_segment): Update comments.
8207         (Output_segment::Output_segment): Un-privatize copy constructor.
8208         (Output_segment::operator=): Un-privatize.
8209         * script-sections.cc (Output_section_element::Input_section_list):
8210         Change element type to Output_section::Simple_input_section.
8211         (Output_section_element_dot_assignment::set_section_addresses):
8212         Register output section data for relaxation clean up.
8213         (Output_data_exression::Output_data_expression): Adjust call to base
8214         constructor to fix data size.
8215         (Output_section_element_data::set_section_addresses): Register
8216         Output_data_expression object for relaxation clean up.
8217         (struct Input_section_info): Replace Relobj pointer and section index
8218         pair with Output_section::Simple_input_section and Convert struct to a
8219         class.
8220         (Input_section_sorter::operator()): Adjust access to
8221         Input_section_info data member to use accessors.
8222         (Output_section_element_input::set_section_addresses): Use layout
8223         parameter.  Adjust code to use Output_section::Simple_input_section
8224         and Input_secction_info classes.  Register filler for relaxation
8225         clean up.
8226         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8227         and section index pair with Output_section::Simple_input_section
8228         class.  Adjust code accordingly.
8229         (Phdrs_element::release_segment): New method definition.
8230         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8231         segment list.
8232         (Script_sections::release_segments): New method definition.
8233         * gold/script-sections.h (Script_sections::release_segments): New
8234         method declaration.
8235         * gold/target.h (Target::may_relax, Target::relax,
8236         Target::do_may_relax, Target::do_relax): New method definitions.
8237
8238 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8239
8240         * arm.cc (has_signed_unsigned_overflow): New function.
8241         (Arm_relocate_functions::abs8): New function.
8242         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8243         (Target_arm::Scan::global): Likewise.
8244         (Target_arm::relocate::relocate): Likewise.
8245         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8246         Likewise.
8247
8248 2009-09-16  Cary Coutant  <ccoutant@google.com>
8249
8250         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8251         * testsuite/Makefile.in: Regenerate.
8252
8253 2009-09-11  Nick Clifton  <nickc@redhat.com>
8254
8255         * po/gold.pot: Updated by the Translation project.
8256
8257 2009-09-08  Cary Coutant  <ccoutant@google.com>
8258
8259         * output.cc (Output_file::open): Add execute permission to empty file.
8260         * testsuite/Makefile.am (permission_test): New test.
8261         * testsuite/Makefile.in: Regenerate.
8262
8263 2009-09-02  Ian Lance Taylor  <iant@google.com>
8264
8265         * output.cc (Output_file::resize): Call map_no_anonymous rather
8266         than map.
8267
8268 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8269
8270         * gold.cc: Include "incremental.h".
8271         (queue_initial_tasks): Call Incremental_checker methods.
8272         * incremental.cc: Include "output.h".
8273         (Incremental_checker::can_incrementally_link_output_file): New
8274         method.
8275         * incremental.h (Incremental_checker): New class.
8276
8277         * output.cc (Output_file::open_for_modification): New method.
8278         (Output_file::map_anonymous): Changed return type to bool.  Record
8279         map in base_ field.
8280         (Output_file::map_no_anonymous): New method, broken out of map.
8281         (Output_file::map): Use map_no_anonymous and map_anonymous.
8282         * output.h (class Output_file): Update declarations.
8283
8284 2009-08-24  Cary Coutant  <ccoutant@google.com>
8285
8286         * options.h (Command_line::Pre_options): New class.
8287         (Command_line::pre_options): New member.
8288         * options.cc (gold::options::ready_to_register): New variable.
8289         (One_option::register_option): Do nothing if not registering options.
8290         Assert if same short option registered twice.
8291         (General_options::General_options): Turn off option registration when
8292         done constructing.
8293         (Command_line::Pre_options::Pre_options): New constructor.
8294
8295 2009-08-24  Cary Coutant  <ccoutant@google.com>
8296
8297         * options.h (General_options::no_keep_memory): Remove incorrect
8298         short option.
8299
8300 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8301
8302         * Makefile.am (am__skiplex, am__skipyacc): New.
8303         * Makefile.in: Regenerate.
8304
8305 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8306
8307         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8308         (INCLUDES): ... this.
8309         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8310         (AM_CPPFLAGS): Renamed from ...
8311         (INCLUDE): ... this.
8312         * Makefile.in, testsuite/Makefile.in: Regenerate.
8313
8314         * Makefile.in: Regenerate.
8315         * aclocal.m4: Likewise.
8316         * config.in: Likewise.
8317         * configure: Likewise.
8318         * testsuite/Makefile.in: Likewise.
8319
8320         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8321         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8322         * Makefile.in: Regenerate.
8323         * testsuite/Makefile.in: Regenerate.
8324
8325 2009-08-19  Cary Coutant  <ccoutant@google.com>
8326
8327         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8328         symbols in shared libraries overridden by hidden or internal symbols
8329         in the main program.
8330
8331 2009-08-19  Chris Demetriou  <cgd@google.com>
8332
8333         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8334         checking source file names in error messages.
8335
8336 2009-08-18  Doug Kwan  <dougkwan@google.com>
8337
8338         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8339         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8340         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8341         an elfcpp::Ehdr as parameter.
8342         * object.cc (Object::set_target): Remove the version that looks up
8343         a target and sets it.
8344         (Sized_relobj::setup): Take a Target object instead of
8345         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8346         (make_elf_sized_object): Find target and ask target to
8347         make an ELF object.
8348         * object.h: (Object::set_target): Remove the version that looks up
8349         a target and sets it.
8350         (Sized_relobj::setup): Take a Target object instead of
8351         an elfcpp:Ehdr as parameter.
8352         * target.cc: Include dynobj.h.
8353         (Target::do_make_elf_object_implementation): New.
8354         (Target::do_make_elf_object): New.
8355         * target.h (Target::make_elf_object): New template declaration.
8356         (Target::do_make_elf_object): New method declarations.
8357         (Target::do_make_elf_object_implementation): New template declaration.
8358
8359 2009-08-14  Ian Lance Taylor  <iant@google.com>
8360
8361         * gold.h (FUNCTION_NAME): Define.
8362         (gold_unreachable): Use FUNCTION_NAME.
8363
8364 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8365
8366         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8367         symbol in the --keep-unique list is not found.
8368
8369 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8370
8371         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8372         been maked as --keep-unique.
8373         (Icf::unfold_section): New function.
8374         * icf.h (Icf::unfold_section): New function.
8375         * options.h (General_options::keep_unique): New option.
8376         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8377         * testsuite/Makefile.in: Regenerate.
8378         * testsuite/icf_keep_unique_test.sh: New file.
8379         * testsuite/icf_keep_unique_test.cc: New file.
8380
8381 2009-08-12  Cary Coutant  <ccoutant@google.com>
8382
8383         PR 10471
8384         * resolve.cc (Symbol_table::resolve): Check for references from
8385         dynamic objects to hidden and internal symbols.
8386         * testsuite/Makefile.am (hidden_test.sh): New test.
8387         * testsuite/Makefile.in: Regenerate.
8388         * testsuite/hidden_test.sh: New script.
8389         * testsuite/hidden_test_1.c: New test source.
8390         * testsuite/hidden_test_main.c: New test source.
8391
8392 2009-08-11  Doug Kwan  <dougkwan@google.com>
8393
8394         * arm.cc: Update comments.
8395         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8396         segment to locate the .ARM.exidx section if present.
8397
8398 2009-08-09  Doug Kwan  <dougkwan@google.com>
8399
8400         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8401         patch.
8402
8403 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8404         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8405         compiler warnings.
8406
8407 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8408
8409         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8410         valid tls_segment only for non-debug-section relocations.
8411         * testsuite/Makefile.am: Add gc_tls_test.
8412         * testsuite/Makefile.in: Regenerate.
8413         * testsuite/gc_tls_test.cc: New file.
8414         * testsuite/gc_tls_test.sh: New file.
8415
8416 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8417
8418         * icf.cc: New file.
8419         * icf.h: New file.
8420         * Makefile.am (CCFILES): Add icf.cc.
8421         (HFILES): Add icf.h
8422         * Makefile.in: Regenerate.
8423         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8424         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8425         section, symbol and addend information for the relocs.
8426         * gold.cc (queue_middle_tasks): Call identical code folding.
8427         * gold.h: Add defines for multimap.
8428         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8429         to the call of finalize_local_symbols.
8430         * main.cc (main): Create object of class Icf.
8431         * object.cc (Sized_relobj::do_layout): Allow this function to be
8432         called twice during icf.
8433         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8434         to sections marked as identical by icf.
8435         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8436         when available.
8437         (Sized_relobj::do_section_entsize): New function.
8438         * object.h (Object::section_entsize): New function.
8439         (Object::do_section_entsize): New pure virtual function.
8440         (Relobj::finalize_local_symbols): Add new parameter.
8441         (Relobj::do_section_entsize): New function.
8442         * options.h (General_options::icf): New option.
8443         (General_options::icf_iterations): New option.
8444         (General_options::print_icf_sections): New option.
8445         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8446         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8447         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8448         icf.
8449         * symtab.cc (Symbol_table::is_section_folded): New function.
8450         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8451         to sections marked as identical by icf.
8452         * symtab.h (Symbol_table::set_icf): New function.
8453         (Symbol_table::icf): New function.
8454         (Symbol_table::is_section_folded): New function.
8455         (Symbol_table::icf_): New data member.
8456         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8457         * testsuite/Makefile.am: Add commands to build icf_test.
8458         * testsuite/Makefile.in: Regenerate.
8459         * testsuite/icf_test.sh: New file.
8460         * testsuite/icf_test.cc: New file.
8461
8462 2009-07-24  Chris Demetriou  <cgd@google.com>
8463
8464         * layout.cc (is_compressible_debug_section): Fix incorrect
8465         comment about compressed section names.
8466
8467 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8468
8469         PR 10419
8470         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8471
8472 2009-07-16  Ian Lance Taylor  <iant@google.com>
8473
8474         PR 10400
8475         * layout.h: #include <map>.
8476         (class Kept_section): Change from struct to class.  Add accessors
8477         and setters.  Add section size to Comdat_group mapping.  Change
8478         Comdat_group to std::map.  Add is_comdat_ field.  Add
8479         linkonce_size field in union.
8480         (class Layout): Update declaration of find_or_add_kept_section.
8481         Don't declare find_kept_object.
8482         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8483         parameter.  Add object, shndx, is_comdat, and is_group_name
8484         parameters.  Change all callers.  Adjust for new Kept_section.
8485         (Layout::find_kept_object): Remove.
8486         * object.cc (Sized_relobj::include_section_group): Update use of
8487         Kept_section.  Rename secnum to shndx.  Only record
8488         Kept_comdat_section if sections are the same size.
8489         (Sized_relobj::include_linkonce_section): Update use of
8490         Kept_section.  Only record Kept_comdat_section if sections are the
8491         same size.  Set size of linkonce section.
8492         (Sized_relobj::map_to_kept_section): Update call to
8493         get_kept_comdat_section.
8494         * object.h (class Sized_relobj): Rename fields in
8495         Kept_comdat_section to drop trailing underscores; change object
8496         field to Relobj*.  Change Kept_comdat_section_table to store
8497         struct rather than pointer.
8498         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8499         Add kept_object and kept_shndx parameters.  Change all callers.
8500         (Sized_relobj::get_kept_comdat_section): Change return type to
8501         bool.  Add kept_object and kept_shndx parameters.  Change all
8502         callers.
8503         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8504         Layout::find_or_add_kept_section.
8505
8506 2009-07-09  Ian Lance Taylor  <iant@google.com>
8507
8508         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8509         Reserve space in the hash table.
8510
8511 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8512
8513         * fileread.cc (File_read::get_mtime): New method.
8514         * fileread.h (Timespec): New structure.
8515         (File_read::get_mtime): New method.
8516         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8517         Renamed from timestamp_nsec.
8518         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8519         Elf_Xword.
8520         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8521         timestamp_nsec.
8522         (Incremental_inputs::report_archive): Save mtime; style fix.
8523         (Incremental_inputs::report_obejct): Save mtime; style fix.
8524         (Incremental_inputs::report_script): Save mtime; style fix.
8525         (Incremental_inputs::finalize_inputs): Style fix.
8526         (Incremental_inputs::finalize): Style fix.
8527         (Incremental_inputs::create_input_section_data): Store inputs
8528         mtime.
8529         * incremental.h (Incremental_inputs::report_script): Add mtime
8530         argument.
8531         (Incremental_inputs::Input_info::Input_info): Intialize only one
8532         union member.
8533         (Incremental_inputs::Input_info::archive): Move to nameless
8534         union.
8535         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8536         (Incremental_inputs::Input_info::script): Move to nameless union.
8537         (Incremental_inputs::mtime): New field.
8538         * script.cc (read_input_script): Pass file mtime to
8539         Incremental_input.
8540         * script.h (Script_info::inputs): Style fix.
8541
8542 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8543
8544         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8545         instead of 32.
8546
8547 2009-06-24  Ian Lance Taylor  <iant@google.com>
8548
8549         PR 10156
8550         * layout.cc (Layout::choose_output_section): If we find an
8551         existing section, update the flags.
8552         (Layout::create_notes): New function, broken out of
8553         Layout::finalize.
8554         (Layout::finalize): Don't create note sections.
8555         (Layout::create_note): Don't crash if linker script discards
8556         section.
8557         (Layout::create_gold_note): Likewise.
8558         (Layout::create_build_id): Likewise.  Don't set
8559         after_input_sections on the section.
8560         (Layout::create_executable_stack_info): Remove target parameter.
8561         Change caller.
8562         * layout.h (class Layout): Declare create_notes.  Update
8563         declaration of create_executable_stack_info.
8564         * gold.cc (queue_middle_tasks): Call create_notes.
8565         * output.cc (Output_section::update_flags_for_input_section): Move
8566         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8567         invalid.
8568         * output.h (Output_data::mark_address_invalid): New function.
8569         (class Output_section): Only declare, not define,
8570         update_flags_for_input_section.  Remove set_flags.
8571
8572 2009-06-24  Ian Lance Taylor  <iant@google.com>
8573
8574         * script-sections.cc (Output_section_definition::
8575         set_section_addresses): Rename shadowing local load_address to
8576         laddr.
8577
8578 2009-06-24  Ian Lance Taylor  <iant@google.com>
8579
8580         PR 10244
8581         * reloc.cc (relocate_sections): Skip empty relocation sections.
8582
8583 2009-06-23  Ian Lance Taylor  <iant@google.com>
8584
8585         PR 10156
8586         * layout.cc (Layout::create_note): Use choose_output_section
8587         rather than make_output_section.
8588
8589 2009-06-23  Ian Lance Taylor  <iant@google.com>
8590
8591         PR 10237
8592         * options.cc (General_options::parse_V): Set printed_version_.
8593         (General_options::General_options): Initialize printed_version_.
8594         * options.h (class General_options): Add printed_version_ field.
8595         * gold.cc (queue_initial_tasks): If there are no input files,
8596         don't give a fatal error if we printed the version information.
8597         (queue_middle_tasks): If using -r with a shared object, give a
8598         fatal error rather than an ordinary error.
8599
8600 2009-06-23  Ian Lance Taylor  <iant@google.com>
8601
8602         PR 10219
8603         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8604         (Layout::make_output_section): Set have_stabstr_section_ if we see
8605         a .stab*str section.
8606         (Layout::finalize): Call link_stabs_sections.
8607         (Layout::link_stabs_sections): New file.
8608         * layout.h (class Layout): Add have_stabstr_section_ field.
8609         Declare link_stabs_sections.
8610
8611 2009-06-23  Doug Kwan  <dougkwan@google.com>
8612
8613         * Makefile.am (libgold_a_LIBADD): New.
8614         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8615         * Makefile.in: Regenerate.
8616         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8617         * configure: Regenerate.
8618         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8619         * fileread.cc: Include sys/state.h
8620         * gold.h: Declare memmem and strndup if found missing.
8621         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8622
8623 2009-06-23  Ian Lance Taylor  <iant@google.com>
8624
8625         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8626         * configure: Rebuild.
8627
8628 2009-06-23  Ian Lance Taylor  <iant@google.com>
8629
8630         PR 10147
8631         * object.cc (Object::section_contents): Don't try to get a view if
8632         the section has length zero.
8633         (Object::handle_gnu_warning_section): If the section is empty, use
8634         the name of the section as the warning.
8635
8636 2009-06-23  Ian Lance Taylor  <iant@google.com>
8637
8638         PR 10133
8639         * stringpool.h (class Stringpool_template): Add optimize_ field.
8640         (Stringpool_template::set_optimize): New function.
8641         * stringpool.cc (Stringpool_template::Stringpool_template):
8642         Initialize optimize_ field.
8643         (Stringpool_template::set_string_offsets): Test local optimize
8644         fild rather than parameter.
8645         * layout.cc (Layout::Layout): Call set_optimize on the section
8646         name stringpool.
8647
8648 2009-06-22  Ian Lance Taylor  <iant@google.com>
8649
8650         PR 10030
8651         * yyscript.y: Parse TARGET.
8652         * script.cc (script_set_target): New function.
8653         * script-c.h (script_set_target): Declare.
8654         * options.cc (General_options::string_to_object_format): Rename
8655         from string_to_object_format in anonymous namespace.  Change
8656         callers.
8657         * options.h (class General_options): Declare
8658         string_to_object_format.
8659
8660 2009-06-22  Ian Lance Taylor  <iant@google.com>
8661
8662         * script-sections.cc (Script_sections::create_segments): Don't put
8663         program headers in a PT_LOAD segment if -n or -N.
8664
8665 2009-06-22  Ian Lance Taylor  <iant@google.com>
8666
8667         PR 10141
8668         * options.h (class General_options): Add -z lazy and -z now.  Sort
8669         -z options into alphabetical order.
8670         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8671
8672 2009-06-21  Ian Lance Taylor  <iant@google.com>
8673
8674         * layout.cc (Layout::make_output_section): Call
8675         Target::new_output_section.
8676         (Layout::attach_allocated_section_to_segment): Put large section
8677         sections in a separate load segment with the large segment flag
8678         set.
8679         (Layout::segment_precedes): Sort large data segments after other
8680         load segments.
8681         (align_file_offset): New static function.
8682         (Layout::set_segment_offsets): Use align_file_offset.
8683         * output.h (class Output_section): Add is_small_section_ and
8684         is_large_section_ fields.
8685         (Output_section::is_small_section): New function.
8686         (Output_section::set_is_small_section):  New function.
8687         (Output_section::is_large_section): New function.
8688         (Output_section::set_is_large_section): New function.
8689         (Output_section::is_large_data_section): New function.
8690         (class Output_segment): Add is_large_data_segment_ field.
8691         (Output_segment::is_large_data_segment): New function.
8692         (Output_segment::set_is_large_data_segment): New function.
8693         * output.cc (Output_section::Output_section): Initialize new
8694         fields.
8695         (Output_segment::Output_segment): Likewise.
8696         (Output_segment::add_output_section): Add assertion that large
8697         data sections always go in large data segments.  Force small data
8698         sections to the end of the list of data sections.  Force small BSS
8699         sections to the start of the list of BSS sections.  For large BSS
8700         sections to the end of the list of BSS sections.
8701         * symtab.h (class Symbol): Declare is_common_shndx.
8702         (Symbol::is_defined): Check Symbol::is_common_shndx.
8703         (Symbol::is_common): Likewise.
8704         (class Symbol_table): Define enum Commons_section_type.  Update
8705         declarations.  Add small_commons_ and large_commons_ fields.
8706         * symtab.cc (Symbol::is_common_shndx): New function.
8707         (Symbol_table::Symbol_table): Initialize new fields.
8708         (Symbol_table::add_from_object): Put small and large common
8709         symbols in the right list.
8710         (Symbol_table::sized_finalized_symbol): Check
8711         Symbol::is_common_shndx.
8712         (Symbol_table::sized_write_globals): Likewise.
8713         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8714         common symbol lists.  Don't call do_allocate_commons_list if the
8715         list is empty.
8716         (Symbol_table::do_allocate_commons_list): Remove is_tls
8717         parameter.  Add comons_section_type parameter.  Change all
8718         callers.  Handle small and large common symbols.
8719         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8720         Symbol::is_common_shndx.
8721         * resolve.cc (symbol_to_bits): Likewise.
8722         * target.h (Target::small_common_shndx): New function.
8723         (Target::small_common_section_flags): New function.
8724         (Target::large_common_shndx): New function.
8725         (Target::large_common_section_flags): New function.
8726         (Target::new_output_section): New function.
8727         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8728         small_common_section_flags, and large_common_section_flags
8729         fields.
8730         (Target::do_new_output_section): New virtual function.
8731         * arm.cc (Target_arm::arm_info): Initialize new fields.
8732         * i386.cc (Target_i386::i386_info): Likewise.
8733         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8734         Likewise.
8735         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8736         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8737         (Target_x86_64::do_new_output_section): New function.
8738         * configure.ac: Define conditional MCMODEL_MEDIUM.
8739         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8740         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8741         (large_LDFLAGS): Define.
8742         * testsuite/large.c: New file.
8743         * testsuite/testfile.cc (Target_test::test_target_info):
8744         Initialize new fields.
8745         * configure, testsuite/Makefile.in: Rebuild.
8746
8747 2009-06-05  Doug Kwan  <dougkwan@google.com>
8748
8749         * Makefile.am (CCFILES): Add target.cc.
8750         * Makefile.in: Regenerate.
8751         * i386.cc (class Target_i386): Define new virtual method to
8752         override do_is_local_label_name in parent.
8753         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8754         local symbols if --discard-locals or -X is given.
8755         * options.h (class General_options): Declare new options
8756         '--discard-locals' and '-X' for discarding locals.
8757         * target.h (class Target): Define new methods is_local_label_name.
8758         Declare new virtual method do_is_local_label_name.
8759         * target.cc: New file.
8760         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8761         (check_SCRIPTS): Add discard_locals_test.sh.
8762         (check_DATA): Add discard_local_tests.syms.
8763         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8764         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8765         * testsuite/Makefile.in: Regenerate.
8766         * testsuite/discard_locals_test.c: New file.
8767         * testsuite/discard_locals_test.sh: Same.
8768
8769 2009-06-05  Doug Kwan  <dougkwan@google.com>
8770
8771         * object.cc (Sized_relobj::Sized_relobj): Initialize
8772         discarded_eh_frame_shndx_ to -1U.
8773         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8774         section.
8775         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8776         a discarded .eh_frame section.
8777         (Sized_relobj::do_finalize_local_symbols): Ditto.
8778         * object.h (class Sized_relobj): Declare new member
8779         discarded_eh_frame_shndx_.
8780         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8781         (local_labels_test.o, local_labels_test): New rules.
8782         * testsuite/Makefile.in: Regenerate.
8783
8784 2009-06-04  Doug Kwan  <dougkwan@google.com>
8785
8786         * layout.cc (Layout::section_name_mapping): Add mapping for
8787         special ARM sections.
8788
8789 2009-06-03  Doug Kwan  <dougkwan@google.com>
8790
8791         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8792         (utils::has_overflow): Same.
8793
8794 2009-06-03  Ian Lance Taylor  <iant@google.com>
8795
8796         * layout.cc (Layout::section_name_mapping): New array, replacing
8797         Layout::linkonce_mapping.
8798         (Layout::section_name_mapping_count): New variable, replacing
8799         Layout::linkonce_mapping_count.
8800         (Layout::linkonce_output_name): Remove.
8801         (Layout::output_section_name): Rewrite.
8802         * layout.h (class Layout): Rename Linkonce_mapping to
8803         Section_name_mapping, linkonce_mapping to section_name_mapping,
8804         linkonce_mapping_count to section_name_mapping_count.  Don't
8805         declare linkonce_output_name.
8806
8807 2009-06-03  Doug Kwan  <dougkwan@google.com>
8808
8809         * gold/arm.cc (namespace utils): New.
8810         (Target_arm::reloc_is_non_pic): Define new method.
8811         (class Arm_relocate_functions): New.
8812         (Target_arm::Relocate::relocate): Handle relocation types used by
8813         Android.
8814
8815 2009-06-03  Ian Lance Taylor  <iant@google.com>
8816
8817         * arm.cc (Target_arm::scan::global): Use || instead of |.
8818
8819 2009-06-02  Doug Kwan  <dougkwan@google.com>
8820
8821         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8822         issued_non_pic_error_.
8823         (class Target_arm::Scan): Declare new method check_non_pic.
8824         Define new method symbol_needs_plt_entry.
8825         Declare new data member issued_non_pic_error_.
8826         (class Target_arm::Relocate): Declare new method
8827         should_apply_static_reloc.
8828         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8829         (Target_arm::Scan::check_non_pic): Define new method.
8830         (Target_arm::Scan::local): Handle a small subset of reloc types used
8831         by Android.
8832         (Target_arm::Scan::local): Same.
8833         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8834
8835 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8836
8837         * incremental.cc (Incremental_inputs::report_command_line): Filter
8838         out --incremental-* options.
8839
8840 2009-05-29  Doug Kwan  <dougkwan@google.com>
8841
8842         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8843         template class.
8844         (class Target_arm): Update comment.
8845         (Target_arm::Target_arm): Initialize new data members GOT_,
8846         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8847         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8848         and Target_arm::rel_dyn_section.
8849         Declare new_enum Target_arm::Got_type.
8850         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8851         and DYNBSS_.
8852         Update commments for member do_dynsym_value.
8853         (Target_arm::got_size, Target_arm::plt_section,
8854         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8855         new methods inside class defintion.
8856         (Target_arm::got_section): Define new method.
8857         (Target_arm::rel_dyn_section): Same.
8858         (Output_data_plt_arm): New template class.
8859         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8860         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8861         (Output_data_plt_arm::add_entry): Same.
8862         (Output_data_plt_arm::first_plt_entry): Define new
8863         static data member for PLT instruction template.
8864         (Output_data_plt_arm::plt_entry): Same.
8865         (Output_data_plt_arm::do_write): Define new method.
8866         (Target_arm::make_plt_entry): Same.
8867         (Target_arm::do_finalize_sections): Same.
8868         (Target_arm::do_dynsym_value): Same.
8869
8870 2009-05-28  Doug Kwan  <dougkwan@google.com>
8871
8872         * Makefile.am (TARGETSOURCES): Add arm.cc.
8873         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8874         * Makefile.in: Regenerate.
8875         * arm.cc: New file.
8876         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8877
8878 2009-05-26  Doug Kwan  <dougkwan@google.com>
8879
8880         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8881         (General_options::check_excluded_libs): Strip off directories in
8882         archive name before matching like GNU ld does.
8883         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8884         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8885         (exclude_libs_test_LDFLAGS): Add linker option
8886         -Wl,--exclude-libs,libexclude_libs_test_3
8887         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8888         an explicit archive without using -l.
8889         (alt/libexclude_libs_test_3.a): New make rule.
8890         * testsuite/Makefile.in: Regenerate.
8891         * testsuite/exclude_libs_test.c : Declare lib3_default().
8892         (main): Call it.
8893         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8894         * exclude_libs_test_3.c: New file.
8895
8896 2009-05-26  Nick Clifton  <nickc@redhat.com>
8897
8898         * po/id.po: New Indonesian translation.
8899         * po/gold.pot: Updated template file.
8900
8901 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8902
8903         * testsuite/Makefile.am: Add -ffunction-sections to compile
8904         gc_comdat_test files.  Add -Wl,--gc-sections to build
8905         gc_comdat_test.
8906         * testsuite/Makefile.in: Regenerate.
8907         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8908
8909 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8910
8911         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8912         kept comdat section was garbage collected.
8913         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8914         * testsuite/Makefile.in: Regenerate.
8915         * testsuite/gc_comdat_test.sh: New file.
8916         * testsuite/gc_comdat_test_1.cc: New file.
8917         * testsuite/gc_comdat_test_2.cc: New file.
8918
8919 2009-05-19  Doug Kwan  <dougkwan@google.com>
8920
8921         * archive.cc (Archive::Archive): Move constructor from archive.h
8922         to here.  Initialize no_export_.
8923         (Archive::get_elf_object_for_member): Set no_export flag of object.
8924         * archive.h (Archive::Archive): Move constructor body to
8925         archive.cc.
8926         (Archive::no_export): New method.
8927         (Archive::no_export_): New field.
8928         * object.h (Object::Object): Initialize no_export_ to false.
8929         (Object::no_export, Object::set_no_export): New methods.
8930         (Object::no_export_): New field.
8931         * options.cc (General_options::parse_exclude_libs): New method.
8932         (General_options::check_excluded_libs) Same.
8933         * options.h (exclude_libs): New option.
8934         (General_options::check_excluded_libs): New method declaration.
8935         (General_options::excluded_libs_): New field.
8936         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8937         default or protected visibility if an object has no-export flag set.
8938         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8939         (check_SCRIPTS): Add exclude_libs_test.sh.
8940         (check_DATA): Add exclude_libs_test.syms.
8941         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8942         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8943         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8944         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8945         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8946         libexclude_libs_test_2.a): New rules.
8947         * testsuite/Makefile.in: Regenerate.
8948         * testsuite/exclude_libs_test.c: New file.
8949         * testsuite/exclude_libs_test.sh: Ditto.
8950         * testsuite/exclude_libs_test_1.c: Ditto.
8951         * testsuite/exclude_libs_test_2.c: Ditto.
8952
8953 2009-05-15  Ian Lance Taylor  <iant@google.com>
8954
8955         * configure.ac: Check for declarations for cases where libiberty.h
8956         checks HAVE_DECL_xxx.
8957         * configure, config.in: Rebuild.
8958
8959 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8960
8961         * gold.h (Incremental_argument_list): Remove (invalid) forward
8962         declaration.
8963         * incremental.cc (Incremental_inputs::report_achive): New method.
8964         (Incremental_inputs::report_object): New method.
8965         (Incremental_inputs::report_script): New method.
8966         (Incremental_inputs::finalize_inputs): New method.
8967         (Incremental_inputs::finalize): Call finalize_inputs().
8968         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8969         Create inputs entries.
8970         * incremental.h (Incremental_input_type): New enum.
8971         (Incremental_inputs::Incremental_input): Initialize new fields.
8972         (Incremental_inputs::report_inputs): New method.
8973         (Incremental_inputs::report_achive): New method.
8974         (Incremental_inputs::report_object): New method.
8975         (Incremental_inputs::report_script): New method.
8976         (Incremental_inputs::finalize_inputs): New method.
8977         (Incremental_inputs::Input_info): New struct.
8978         (Incremental_inputs::Input_info_map): New typedef.
8979         (Incremental_inputs::lock_): New field.
8980         (Incremental_inputs::Inputs_): New field.
8981         (Incremental_inputs::Inputs_map): New field.
8982         * main.cc (main): Call Incremental_input::report_inputs.
8983         * options.h (Input_argument_list): Typedef moved from
8984         Input_arguments.
8985         (Input_file_group::Files): Remove, use ::Input_argument_list.
8986         (Input_file_group::Input_argument_list): Remove, use
8987         ::Input_argument_list.
8988         * plugin.cc (Plugin_manager::add_input_file): Add error in
8989         incremental build.
8990         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8991         functions.
8992         * script.cc (read_input_script): Call
8993         Incremental_input::report_script.
8994         * script.h (Script_info): New class.
8995
8996 2009-04-27  Ian Lance Taylor  <iant@google.com>
8997
8998         * x86_64.cc (do_adjust_output_section): Set entsize to
8999         plt_entry_size.
9000
9001 2009-04-23  Elliott Hughes  <enh@google.com>
9002
9003         * output.cc (Output_file::close): After short writes, continue
9004         writing from the correct offset in the buffer being written.
9005
9006 2009-04-23  Chris Demetriou  <cgd@google.com>
9007
9008         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9009         * configure: Regenerate.
9010         * config.in: Regenerate.
9011         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9012         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9013
9014 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9015
9016         * incremental.cc (Incremental_inputs_header_data): Renamed from
9017         Incremental_input_header_data.
9018         (Incremental_inputs_header_data::data_size): New field.
9019         (Incremental_inputs_header_data::put_input_file_count): Renamed
9020         from input_file_count.
9021         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9022         from command_line_offset.
9023         (Incremental_inputs_header_data::put_reserved): Renamed from
9024         put_reserved.
9025         (Incremental_inputs_entry_data): Renamed from
9026         Incremental_input_entry_data.
9027         (Incremental_inputs_entry_data::data_size): New field.
9028         (Incremental_inputs::report_command_line): New method.
9029         (Incremental_inputs::finalize): New method.
9030         (Incremental_inputs::create_incremental_inputs_data): New method.
9031         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9032         * incremental.h: New file.
9033         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9034        (Layout::finalize): Create incremental inputs section in
9035         incremental builds.
9036        (Layout::create_incremental_info_sections): New method.
9037         * layout.h (Layout::incremental_inputs): New method.
9038        (Layout::create_incremental_info_sections): New method.
9039        (Layout::incremental_inputs_): New field.
9040         * main.cc (main): Notify Incremental_input of the command line.
9041
9042 2009-04-01  Ian Lance Taylor  <iant@google.com>
9043             Mikolaj Zalewski  <mikolajz@google.com>
9044
9045         * gold.h (reserve_unordered_map): Define, three versions, one for
9046         each version of Unordered_map.
9047         * layout.cc (Layout::Layout): Remove options parameter.  Add
9048         number_of_input_files parameter.  Don't initialize options_.
9049         Initialize number_of_input_files_ and resized_signatures_.  Move
9050         sections_are_attached_.
9051         (Layout::layout_group): Reserve space for group_signatures_.
9052         (Layout::find_or_add_kept_section): Change name parameter to be a
9053         reference.  Resize signatures_ map when it gets large enough.
9054         (Layout::layout_eh_frame): Use parameters->options() instead of
9055         this->options_.
9056         (Layout::make_output_section): Likewise.
9057         (Layout::attach_allocated_section_to_segment): Likewise.
9058         (Layout::finalize, Layout::create_executable_stack): Likewise.
9059         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9060         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9061         * layout.h (class Layout): Update declarations.  Remove options_
9062         field.  Add number_of_input_files_ and resized_signatures_
9063         fields.  Move sections_are_attached_ field.
9064         * main.cc (main): Pass number of input files to Layout
9065         constructor.  Don't pass options.
9066
9067 2009-03-30  Ian Lance Taylor  <iant@google.com>
9068
9069         * ffsll.c (ffsll): Correct implementation.
9070
9071 2009-03-27  Ian Lance Taylor  <iant@google.com>
9072
9073         * ffsll.c: New file.
9074         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9075         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9076         * ftruncate.c (ftruncate): Declare before definition.
9077         * mremap.c (mremap): Likewise.
9078         * pread.c (pread): Likewise.
9079         * configure, Makefile.in, config.in: Rebuild.
9080
9081         * mremap.c: New file.
9082         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9083         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9084         (mremap): Declare if HAVE_MREMAP is not defined.
9085         * configure, Makefile.in, config.in: Rebuild.
9086
9087 2009-03-27  Cary Coutant  <ccoutant@google.com>
9088
9089         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9090         position independent.
9091         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9092         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9093
9094 2009-03-24  Cary Coutant  <ccoutant@google.com>
9095
9096         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9097         an executable.
9098         (needs_dynamic_reloc): Likewise.
9099
9100 2009-03-24  Ian Lance Taylor  <iant@google.com>
9101
9102         * yyscript.y (file_cmd): Recognize EXTERN.
9103         (extern_name_list, extern_name_list_body): New nonterminals.
9104         * script.cc (script_add_extern): Define.
9105         * script-c.h (script_add_extern): Declare.
9106
9107 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9108
9109         * object.cc (is_elf_object): Define.
9110         * object.h (is_elf_object): Declare.
9111         * archive.cc (Archive::get_elf_object_for_member): Call
9112         is_elf_object.
9113         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9114
9115 2009-03-24  Elliott Hughes  <enh@google.com>
9116
9117         * output.cc (Output_file::map_anonymous): Define.
9118         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9119         try an anonymous one.  Report the size if the mmap fails.
9120         * output.h (class Output_file): Declare map_anonymous.
9121
9122 2009-03-24  Ian Lance Taylor  <iant@google.com>
9123
9124         * target-select.cc (instantiate_target): Don't acquire the lock if
9125         the instantiated_target_ field has already been set.
9126
9127 2009-03-23  Ian Lance Taylor  <iant@google.com>
9128
9129         * gold-threads.h (class Initialize_lock): Define.
9130         * gold-threads.cc (class Initialize_lock_once): Define.
9131         (initialize_lock_control): New static variable.
9132         (initialize_lock_pointer): New static variable.
9133         (initialize_lock_once): New static function.
9134         (Initialize_lock::Initialize_lock): Define.
9135         (Initialize_lock::initialize): Define.
9136         * target-select.h: Include "gold-threads.h".
9137         (class Target_selector): Add lock_ and initialize_lock_ fields.
9138         Don't define instantiate_target, just declare it.
9139         * target-select.cc (Target_selector::Target_selector): Initialize
9140         new fields.
9141         (Target_selector::instantiate_target): Define.
9142         * descriptors.h: Include "gold-threads.h".
9143         (class Descriptors): Add initialize_lock_ field.
9144         * descriptors.cc (Descriptors::Descriptors): Initialize new
9145         field.
9146         (Descriptors::open): Use initialize_lock_ field
9147         * errors.h (class Errors): Add initialize_lock_ field.
9148         * errors.cc (Errors::Errors): Initialize new field.
9149         (Errors::initialize_lock): Use initialize_lock_ field.
9150         * powerpc.cc (class Target_selector_powerpc): Remove
9151         instantiated_target_ field.  In do_recognize call
9152         instantiate_target rather than do_instantiate_target.  In
9153         do_instantiate_target just allocate a new target.
9154         * sparc.cc (class Target_selector_sparc): Likewise.
9155
9156         * freebsd.h: New file.
9157         * i386.cc: Include "freebsd.h".
9158         (Target_i386): Derive from Target_freebsd rather than
9159         Sized_target.
9160         (Target_selector_i386): Derive from Target_selector_freebsd rather
9161         than Target_selector.
9162         * x86_64.cc: Include "freebsd.h".
9163         (Target_x86_64): Derive from Target_freebsd rather than
9164         Sized_target.
9165         (Target_selector_x86_64): Derive from Target_selector_freebsd
9166         rather than Target_selector.
9167         * target.h (class Target): Add adjust_elf_header and
9168         do_adjust_elf_header.
9169         * output.cc (Output_file_header:: do_sized_write): Call target
9170         adjust_elf_header routine.
9171         * configure.tgt: Set targ_osabi.
9172         * configure.ac: Define GOLD_DEFAULT_OSABI.
9173         * parameters.cc (Parameters::default_target): Pass
9174         GOLD_DEFAULT_OSABI to select_target.
9175         * target-select.h (class Target_selector): Make instantiate_target
9176         protected rather than private.
9177         * Makefile.am (HFILES): Add freebsd.h.
9178         * configure, Makefile.in, config.in: Rebuild.
9179
9180         * merge.cc (do_add_input_section): Correct pend value.  Change
9181         message about last entry not being null terminated from error to
9182         warning.
9183
9184 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9185
9186         * incremental.cc: New file.
9187         * Makefile.am (CCFILES): Add incremental.cc.
9188         * Makefile.in: Rebuild.
9189
9190 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9191
9192         * layout.cc (Layout::output_section_name): Preserve names
9193         of '.note.' sections.
9194
9195 2009-03-19  Ian Lance Taylor  <iant@google.com>
9196
9197         * descriptors.cc (Descriptors::open): Check that the options are
9198         valid before using them.
9199
9200 2009-03-18  Ian Lance Taylor  <iant@google.com>
9201
9202         * script-sections.h: Include <list>.
9203         (class Script_sections): Change Sections_elements from std::vector
9204         to std::list.  Typedef public Elements_iterator.  Add
9205         orphan_section_placement_, data_segment_align_start_, and
9206         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9207         field.
9208         * script-sections.cc (class Orphan_section_placement): New class.
9209         (class Sections_element): Add virtual functions is_relro and
9210         orphan_section_init.  Remove virtual function place_orphan_here.
9211         (class Output_section_definition): Add is_relro and
9212         orphan_section_init.  Remove place_orphan_here.
9213         (class Orphan_output_section): Likewise.
9214         (Script_sections::Script_sections): Update for field changes.
9215         (Script_sections::data_segment_align): Set saw_data_segment_align_
9216         and data_segment_align_start_, not data_segment_align_index.
9217         (Script_sections::data_segment_relro_end): Check
9218         saw_data_segment_align_.  Use data_segment_align_start_ rather
9219         than data_segment_align_index_.
9220         (Script_sections::place_orphan): Rewrite to use
9221         Orphan_section_placement.
9222
9223 2009-03-17  Ian Lance Taylor  <iant@google.com>
9224
9225         * archive.cc (Archive::add_symbols): Check for a version attached
9226         to the symbol name in the archive map.
9227         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9228         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9229         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9230         (ver_test_11.a): New target.
9231         * testsuite/Makefile.in: Rebuild.
9232
9233         * configure.ac: Check for chsize and posix_fallocate.  Replace
9234         ftruncate.
9235         * ftruncate.c: New file, from gnulib.
9236         * output.cc (posix_fallocate): Define dummy version if not
9237         HAVE_POSIX_FALLOCATE.
9238         (Output_file::map): Call posix_fallocate rather than lseek and
9239         write.
9240         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9241         * configure, Makefile.in, config.in: Rebuild.
9242
9243 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9244
9245         * layout.h (Layout::create_note): Add section_name parameter.
9246         * layout.cc (Layout::create_note): Likewise.
9247         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9248
9249 2009-03-17  Ian Lance Taylor  <iant@google.com>
9250
9251         * descriptors.cc: Include "options.h".
9252         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9253         (Descriptors::open): Always use O_CLOEXEC when opening a new
9254         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9255         then set FD_CLOEXEC.
9256
9257         * sparc.cc (class Target_sparc): Add has_got_section.
9258         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9259         make sure we have a GOT section.
9260
9261         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9262         (Target_sparc::Scan::local): Likewise.
9263         (Target_sparc::Scan::global): Likewise.
9264         (Target_sparc::Relocate::relocate): Likewise.
9265         (Target_sparc::Relocate::relocate_tls): Likewise.
9266
9267         * symtab.cc (Symbol_table::define_default_version): New function,
9268         broken out of add_from_object.
9269         (Symbol_table::add_from_object): Call define_default_version.
9270         (Symbol_table::define_special_symbol): Add resolve_oldsym
9271         parameter.  Change all callers.  If the version for a symbol comes
9272         from a version script, resolve it with the symbol with the same
9273         name with no version.  Also add the symbol without a version if
9274         appropriate.
9275         (do_define_in_output_data): If resolving with oldsym, don't delete
9276         sym.
9277         (do_define_in_output_segment): Likewise.
9278         (do_define_as_constant): Likewise.
9279         * symtab.h (class Symbol_table): Update declarations.
9280
9281 2009-03-13  Ian Lance Taylor  <iant@google.com>
9282
9283         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9284         (Read_symbols::requeue): New function.
9285         (Read_symbols::do_read_symbols): If make_elf_object fails because
9286         the target type is not configured, and the file was searched for,
9287         issue a warning and retry with the next directory.
9288         (Add_symbols::run): If the file has an incompatible format, and
9289         it was searched for, requeue the Read_symbols task.  On error,
9290         release the object.
9291         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9292         dirindex parameter to constructor.  Change all callers.  Declare
9293         incompatible_warning and requeue.
9294         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9295         input_argument_ and input_group_ fields.  Add them to
9296         constructor.  Change all callers.
9297         (class Read_script): Add dirindex_ field.  Add it to constructor.
9298         Change all callers.
9299         * archive.cc (Archive::setup): Remove input_objects parameter.
9300         Change all callers.
9301         (Archive::get_file_and_offset): Likewise.
9302         (Archive::read_all_symbols): Likewise.
9303         (Archive::read_symbols): Likewise.
9304         (Archive::get_elf_object_for_member): Remove input_objects
9305         parameter.  Add punconfigured parameter.  Change all callers.
9306         (Archive::add_symbols): Change return type to bool.  Check return
9307         value of include_member.
9308         (Archive::include_all_members): Likewise.
9309         (Archive::include_member): Change return type to bool.  Return
9310         false if first included object has incompatible target.  Set
9311         included_member_ field.
9312         (Add_archive_symbols::run): If add_symbols returns false, requeue
9313         Read_symbols task.
9314         * archive.h (class Archive): Add included_member_ field.
9315         Initialize it in constructor.  Add input_file and searched_for
9316         methods.  Update declarations.
9317         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9318         input_argument_ fields.  Add them to constructor.  Change all
9319         callers.
9320         * script.cc: Include "target-select.h".
9321         (class Parser_closure): Add skip_on_incompatible_target_ and
9322         found_incompatible_target_ fields.  Add
9323         skip_on_incompatible_target parameter to constructor.  Change all
9324         callers.  Add methods skip_on_incompatible_target,
9325         clear_skip_on_incompatible_target, found_incompatible_target, and
9326         set_found_incompatible_target.
9327         (read_input_script): Add dirindex parameter.  Change all callers.
9328         If parser finds an incompatible target, requeue Read_symbols
9329         task.
9330         (script_set_symbol): Clear skip_on_incompatible_target in
9331         closure.
9332         (script_add_assertion, script_parse_option): Likewise.
9333         (script_start_sections, script_add_phdr): Likewise.
9334         (script_check_output_format): New function.
9335         * script.h (read_input_script): Update declaration.
9336         * script-c.h (script_check_output_format): Declare.
9337         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9338         (ignore_cmd): Remove OUTPUT_FORMAT.
9339         * fileread.cc (Input_file::Input_file): Add explicit this.
9340         (Input_file::will_search_for): New function.
9341         (Input_file::open): Add pindex parameter.  Change all callers.
9342         * fileread.h (class Input_file): Add input_file_argument method.
9343         Declare will_search_for.  Update declarations.
9344         * object.cc (make_elf_object): Add punconfigured parameter.
9345         Change all callers.
9346         * object.h (class Object): Make input_file public.  Add
9347         searched_for method.
9348         (make_elf_object): Update declaration.
9349         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9350         restart search.
9351         * dirsearch.h (class Dirsearch): Update declaration.
9352         * options.h (class General_options): Add --warn-search-mismatch.
9353         * parameters.cc (Parameters::is_compatible_target): New function.
9354         * parameters.h (class Parameters): Declare is_compatible_target.
9355         * workqueue.cc (Workqueue::add_blocker): New function.
9356         * workqueue.h (class Workqueue): Declare add_blocker.
9357
9358         * fileread.cc (Input_file::open): Remove options parameter.
9359         Change all callers.
9360         (Input_file::open_binary): Likewise.
9361         * script.cc (read_input_script): Likewise.
9362         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9363         options parameter from constructor.  Change all callers.
9364         (class Read_script): Likewise.
9365         * fileread.h (class Input_file): Update declarations.
9366         * script.h (read_input_script): Update declaration.
9367
9368 2009-03-10  Nick Clifton  <nickc@redhat.com>
9369
9370         * po/es.po: New Spanish translation.
9371
9372 2009-03-06  Cary Coutant  <ccoutant@google.com>
9373
9374         * options.cc (parse_short_option): Keep dash_z from registering itself.
9375
9376 2009-03-03  Ian Lance Taylor  <iant@google.com>
9377
9378         PR 9918
9379         * target-reloc.h (relocate_section): Pass output_section to
9380         relocate.
9381         * i386.cc (Target_i386::should_apply_static_reloc): Add
9382         output_section parameter.  Change all callers.
9383         (Target_i386::Relocate::relocate): Add output_section parameter.
9384         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9385         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9386         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9387         * testsuite/two_file_shared.sh: New script.
9388         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9389         (check_DATA): Add two_file_shared.dbg.
9390         (two_file_shared.dbg): New target.
9391         * testsuite/Makefile.in: Rebuild.
9392
9393 2009-03-01  Ian Lance Taylor  <iant@google.com>
9394
9395         * configure.ac: Check for byteswap.h.
9396         * configure: Rebuild.
9397         * config.in: Rebuild.
9398
9399 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9400
9401         * layout.cc (Layout::find_or_add_kept_section): New function.
9402         (Layout::add_comdat): Removed.
9403         * layout.h (struct Kept_section): Move out of class Layout.
9404         Remove trailing underscores from field names.  Add group_sections
9405         field.  Rename group_ field to is_group.  Change all uses.
9406         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9407         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9408         comdat_groups_ field.
9409         (Sized_relobj::include_section_group): Use
9410         find_or_add_kept_section and Kept_section::group_sections.
9411         (Sized_relobj::include_linkonce_section): Likewise.
9412         * object.cc (class Sized_relobj): Don't define Comdat_group or
9413         Comdat_group_table.  Remove find_comdat_group and
9414         add_comdat_group.  Remove comdat_groups_ field.
9415         * plugin.cc (include_comdat_group): Use
9416         Layout::find_or_add_kept_section.
9417
9418 2009-02-28  Ian Lance Taylor  <iant@google.com>
9419
9420         * README: --gc-sections and map files are now supported.  Document
9421         some build requirements.
9422
9423         PR 6992
9424         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9425         relocatable link set the value of the section symbol to zero.
9426         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9427         relocatable link don't include the section address in the local
9428         symbol value.
9429
9430 2009-02-27  Ian Lance Taylor  <iant@google.com>
9431
9432         PR 6811
9433         * options.h (class Search_directory): Add is_system_directory.
9434         (class General_options): Declare is_in_system_directory.
9435         * options.cc (get_relative_sysroot): Make static.
9436         (get_default_sysroot): Make static.
9437         (General_optoins::is_in_system_directory): New function.
9438         * fileread.cc (Input_file::is_in_system_directory): New function.
9439         * fileread.h (class Input_file): Declare is_in_system_directory.
9440         * object.h (class Object): Add is_in_system_directory.
9441         (class Input_objects): Remove system_library_directory_ field.
9442         * object.cc (Input_objects::add_object): Don't set
9443         system_library_directory_.
9444         (input_objects::found_in_system_library_directory): Remove.
9445         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9446         parameter.  Change all callers.
9447         (Symbol_table::sized_write_globals): Likewise.
9448         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9449         Call Object::is_in_system_directory.
9450         * symtab.h (class Symbol_table): Update declarations.
9451
9452         PR 5990
9453         * descriptors.h (Open_descriptor): Add is_on_stack field.
9454         * descriptors.cc (Descriptors::open): If the descriptor is on the
9455         top of the stack, remove it.  Initialize is_on_stack field.
9456         (Descriptors::release): Only add pod to stack if it is not on the
9457         stack already.
9458         (Descriptors::close_some_descriptor): Clear stack_next and
9459         is_on_stack fields.
9460
9461         PR 7091
9462         * output.cc (Output_section::find_starting_output_address): Rename
9463         from starting_output_address; add PADDR parameter; change return
9464         type.
9465         * output.h (class Output_section): Declare
9466         find_starting_output_address instead of starting_output_address.
9467         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9468         section symbol for which we can't find a merge section.
9469
9470         PR 9836
9471         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9472         hidden or internal, force the symbol to be local.
9473         * resolve.cc (Symbol::override_visibility): Define.
9474         (Symbol::override_base): Use override_visibility.
9475         (Symbol_table::resolve): Likewise.
9476         (Symbol::override_base_with_special): Likewise.
9477         (Symbol_table::override_with_special): If the visibility is hidden
9478         or internal, force the symbol to be local.
9479         * symtab.h (class Symbol): Add set_visibility and
9480         override_visibility.
9481         * testsuite/ver_test_1.sh: New file.
9482         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9483         (check_DATA): Add ver_test_1.syms.
9484         (ver_test_1.syms): New target.
9485         * testsuite/Makefile.in: Rebuild.
9486
9487 2009-02-25  Cary Coutant  <ccoutant@google.com>
9488
9489         * layout.cc (Layout::choose_output_section): Don't rename sections
9490         when using a linker script that has a SECTIONS clause.
9491         * Makefile.in: Regenerate.
9492
9493         * testsuite/Makefile.am (script_test_5.sh): New test case.
9494         * testsuite/Makefile.in: Regenerate.
9495         * testsuite/script_test_5.cc: New file.
9496         * testsuite/script_test_5.sh: New file.
9497         * testsuite/script_test_5.t: New file.
9498
9499 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9500
9501         * archive.cc (Archive::include_member): Update calls to add_symbols.
9502         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9503         the Layout argument.
9504         * dynobj.h (do_add_symbols): Add the Layout argument.
9505         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9506         Layout argument.
9507         * object.h (Object::add_symbols): Add the Layout argument.
9508         (Object::do_add_symbols): Add the Layout argument.
9509         (Sized_relobj::do_add_symbols): Add the Layout argument.
9510         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9511         Unify the two versions.
9512         (Add_plugin_symbols): Remove.
9513         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9514         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9515         (Add_plugin_symbols): Remove.
9516         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9517         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9518         (Add_symbols::run): Make it work with Pulginobj.
9519
9520 2009-02-06  Ian Lance Taylor  <iant@google.com>
9521
9522         * object.cc (Sized_relobj::do_layout): Make info message start
9523         with lower case letter.
9524
9525 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9526
9527         * binary.cc: Fix file comment.
9528
9529         * options.h (enum Incremental_disposition): Define.
9530         (class General_options): Add new options: --incremental,
9531         --incremental_changed, --incremental_unchanged,
9532         --incremental_unknown.  Add incremental_disposition_ and
9533         implicit_incremental_ fields.
9534         (General_options::incremental_disposition): New function.
9535         (class Position_dependent_options): Add incremental_disposition
9536         option.
9537         (Position_dependent_options::copy_from_options): Set incremental
9538         dispositions.
9539         * options.cc (General_options::parse_incremental_changed): New
9540         function.
9541         (General_options::parse_incremental_unchanged): New function.
9542         (General_options::parse_incremental_unknown): New function.
9543         (General_options::General_options): Initialize new fields
9544         incremental_disposition_ and implicit_incremental_.
9545         (General_options::finalize): Check for uasge of --incremental-*
9546         without --incremental.
9547
9548 2009-02-06  Chris Demetriou  <cgd@google.com>
9549
9550         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9551         pointer and to report location as the file name associated with
9552         the symbol.
9553         (gold_undefined_symbol_at_location): New function to replace the
9554         old gold_undefined_symbol functionality.
9555         * target-reloc.h (relocate_section): Update to use
9556         gold_undefined_symbol_at_location.
9557         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9558         Call gold_undefined_symbol function rather than gold_error.
9559         * errors.h (Errors::undefined_symbol): Take location as a
9560         string, rather than calculating it from a relocation.
9561         * errors.cc (Errors::fatal): Print "fatal error:" before the
9562         formatted message.
9563         (Errors::error, Errors::error_at_location): Print "error: "
9564         before the formatted message.
9565         (Errors::undefined_symbol): Take location as a string, rather
9566         than calculating it from a relocation.
9567         (gold_undefined_symbol_at_location): New function akin to
9568         old gold_undefined_symbol, calculates location from relocation.
9569         (gold_undefined_symbol): Change to take only a Symbol pointer
9570         and to report location as the file name associated with the symbol.
9571         * testsuite/debug_msg.sh: Update for changed error messages.
9572         * testsuite/undef_symbol.sh: Likewise.
9573
9574 2009-02-04  Duncan Sands  <baldrick@free.fr>
9575
9576         PR 9812
9577         * reduced_debug_output.h
9578         (Output_reduced_debug_abbrev_section::failed): Use format for
9579         gold_warning.
9580         (Output_reduced_debug_info_section::faild): Likewise.
9581
9582 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9583
9584         * script.cc (Lazy_demangler): New class.
9585         (Version_script_info::get_symbol_version_helper): Demangle a
9586         symbol only once.
9587
9588 2009-01-29  Cary Coutant  <ccoutant@google.com>
9589
9590         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9591         to __tls_get_addr.
9592         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9593
9594 2009-01-28  Ian Lance Taylor  <iant@google.com>
9595
9596         * version.cc (version_string): Bump to 1.9.
9597
9598         * gold.h: Include <cstring> and <stdint.h>.
9599         * version.cc: Include <cstdio>.
9600         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9601         warning.
9602         * reduced_debug_output.cc (insert_into_vector): Rename from
9603         Insert_into_vector; change all callers.  Use Swap_unaligned to
9604         avoid aliasing issue; remove union since it is unnecessary.
9605
9606 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9607
9608         * Makefile.am (CCFILES): Add gc.cc.
9609         (HFILES): Add gc.h.
9610         * Makefile.in: Regenerate.
9611         * gold.cc (Gc_runner): New class.
9612         (queue_initial_tasks): Call garbage collection related tasks
9613         when corresponding options are invoked.
9614         (queue_middle_gc_tasks): New function.
9615         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9616         processed early before laying out sections during garbage collection.
9617         * gold.h (queue_middle_gc_tasks): New function.
9618         (is_prefix_of): Move from "layout.cc".
9619         * i386.cc (Target_i386::gc_process_relocs): New function.
9620         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9621         * main.cc (main): Create object of class "Garbage_collection".
9622         * object.cc (Relobj::copy_symbols_data): New function.
9623         (Relobj::is_section_name_included): New function.
9624         (Sized_relobj::do_layout): Allow this function to be called twice
9625         during garbage collection and defer layout of section during the
9626         first call.
9627         * object.h (Relobj::get_symbols_data): New function.
9628         (Relobj::is_section_name_included): New function.
9629         (Relobj::copy_symbols_data): New function.
9630         (Relobj::set_symbols_data): New function.
9631         (Relobj::get_relocs_data): New function.
9632         (Relobj::set_relocs_data): New function.
9633         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9634         (Relobj::gc_process_relocs): New function.
9635         (Relobj::do_gc_process_relocs): New pure virtual function.
9636         (Relobj::sd_): New data member.
9637         (Sized_relobj::is_output_section_offset_invalid): New function.
9638         (Sized_relobj::do_gc_process_relocs): New function.
9639         * options.h (General_options::gc_sections): Modify to not be a no-op.
9640         (General_options::print_gc_sections): New option.
9641         * plugin.cc (Plugin_finish::run): Remove function call to
9642         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9643         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9644         * reloc.cc (Read_relocs::run): Add task to process relocs and
9645         determine unreferenced sections when doing garbage collection.
9646         (Gc_process_relocs): New class.
9647         (Sized_relobj::do_gc_process_relocs): New function.
9648         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9649         sections that are garbage collected.
9650         * reloc.h (Gc_process_relocs): New class.
9651         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9652         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9653         symbols whose corresponding sections are garbage collected.
9654         (Symbol_table::Symbol_table): Add new parameter for the garbage
9655         collection object.
9656         (Symbol_table::gc_mark_undef_symbols): New function.
9657         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9658         (Symbol_table::gc_mark_dyn_syms): New function.
9659         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9660         as garbage.
9661         (Symbol_table::add_from_object): Likewise.
9662         (Symbol_table::add_from_relobj): When building shared objects, do not
9663         treat externally visible symbols as garbage.
9664         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9665         table information for static and relocatable links.
9666         * symtab.h (Symbol_table::set_gc): New function.
9667         (Symbol_table::gc): New function.
9668         (Symbol_table::gc_mark_undef_symbols): New function.
9669         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9670         (Symbol_table::gc_mark_dyn_syms): New function.
9671         (Symbol_table::gc_): New data member.
9672         * target.h (Sized_target::gc_process_relocs): New pure virtual
9673         function.
9674         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9675         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9676
9677 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9678
9679         * options.h (General_options::gc_sections): Define as a no-op for now.
9680         (General_options::no_keep_memory): Ditto.
9681         (General_options::Bshareable): Define.
9682         * options.cc (General_options::finalize): Honor -Bshareable.
9683
9684 2009-01-20  Andreas Schwab  <schwab@suse.de>
9685
9686         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9687         read the value in the contents, since we don't use it.  Use the
9688         template endianness when writing.
9689         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9690
9691 2009-01-19  Andreas Schwab  <schwab@suse.de>
9692
9693         * configure.tgt (powerpc64-*): Fix targ_obj.
9694
9695 2009-01-15  Ian Lance Taylor  <iant@google.com>
9696
9697         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9698         local symbols when stripping all symbols.
9699
9700 2009-01-14  Cary Coutant  <ccoutant@google.com>
9701
9702         * output.cc (Output_reloc): Add explicit instantiations.
9703
9704 2009-01-14  Cary Coutant  <ccoutant@google.com>
9705
9706         * archive.cc (Archive::get_elf_object_for_member): Remove call
9707         to File_read::claim_for_plugin.
9708         * descriptors.cc (Descriptors::open): Remove reference to
9709         is_claimed.
9710         (Descriptors::claim_for_plugin): Remove.
9711         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9712         (Descriptors::is_claimed): Remove.
9713         (claim_descriptor_for_plugin): Remove.
9714         * fileread.cc (File_read::claim_for_plugin): Remove.
9715         * fileread.h (File_read::claim_for_plugin): Remove.
9716         (File_read::descriptor): Reopen descriptor if necessary.
9717         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9718         (Plugin_manager::all_symbols_read): Add task parameter. Change
9719         all callers.
9720         (Plugin_manager::get_input_file): New function.
9721         (Plugin_manager::release_input_file): New function.
9722         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9723         corresponding data member.
9724         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9725         and pass to base constructor. Change all callers.
9726         (get_input_file, release_input_file): New functions.
9727         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9728         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9729         (Plugin_manager::all_symbols_read): Add task parameter.
9730         (Plugin_manager::get_input_file): New function.
9731         (Plugin_manager::release_input_file): New function.
9732         (Plugin_manager::task_): New data member.
9733         (Pluginobj::Pluginobj): Add filesize parameter.
9734         (Pluginobj::filename): New function.
9735         (Pluginobj::descriptor): New function.
9736         (Pluginobj::filesize): New function.
9737         (Pluginobj::filesize_): New data member.
9738         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9739         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9740         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9741
9742         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9743         with archive libraries.
9744         * testsuite/Makefile.in: Regenerate.
9745         * testsuite/plugin_test.c (struct sym_info): New type.
9746         (get_input_file, release_input_file): New static variables.
9747         (onload): Capture new transfer vector entries.
9748         (claim_file_hook): Stop reading at end of file according to filesize.
9749         Factor out parsing of readelf output into separate function.
9750         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9751         APIs and get the source file name from the symbol table.  Convert
9752         source file name to corresponding object file name.  Print info
9753         message when adding new input files.
9754         (parse_readelf_line): New function.
9755         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9756         * testsuite/plugin_test_2.sh: Likewise.
9757         * testsuite/plugin_test_3.sh: Likewise.
9758         * testsuite/plugin_test_4.sh: New test case.
9759
9760 2009-01-07  Ian Lance Taylor  <iant@google.com>
9761
9762         * version.cc (version_string): Bump to 1.8.
9763
9764 2008-12-23  Cary Coutant  <ccoutant@google.com>
9765
9766         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9767         * plugin.cc (Plugin_manager::finish): Rename as
9768         layout_deferred_objects.  Move cleanup to separate function.
9769         (Plugin_manager::cleanup): New function.
9770         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9771         separately.
9772         * plugin.h (Plugin_manager::finish): Rename as
9773         layout_deferred_objects.
9774         (Plugin_manager::cleanup): New function.
9775         (Plugin_manager::cleanup_done): New field.
9776
9777 2008-12-23  Cary Coutant  <ccoutant@google.com>
9778
9779         * plugin.cc (is_visible_from_outside): New function.
9780         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9781         so we don't return "IR only" status for exported symbols or -r links.
9782
9783         * testsuite/Makefile.am (plugin_test_3): New test case.
9784         * testsuite/Makefile.in: Regenerate.
9785         * testsuite/plugin_test_3.sh: New file.
9786
9787 2008-12-22  Cary Coutant  <ccoutant@google.com>
9788
9789         * object.cc (Sized_relobj::layout_section): New function.
9790         (Sized_relobj::do_layout): Defer layout of input sections until after
9791         plugin has provided replacement files.
9792         (Sized_relobj::do_layout_deferred_sections): New function.
9793         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9794         (Relobj::layout_deferred_sections): New function.
9795         (Relobj::do_layout_deferred_sections): New function.
9796         (Sized_relobj::do_layout_deferred_sections): New function.
9797         (Sized_relobj::layout_section): New function.
9798         (Sized_relobj::Deferred_layout): New structure.
9799         (Sized_relobj::deferred_layout_): New field.
9800         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9801         Change all callers.  Layout deferred sections.
9802         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9803         references.
9804         (Plugin_hook::run): Move code from do_plugin_hook inline.
9805         (Plugin_hook::do_plugin_hook): Remove.
9806         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9807         (Plugin_manager::finish): Renamed, was cleanup.
9808         (Plugin_manager::should_defer_layout): New function.
9809         (Plugin_manager::add_deferred_layout_object): New function.
9810         (Plugin_manager::Deferred_layout_list): New type.
9811         (Plugin_manager::deferred_layout_objects_): New field.
9812         (Plugin_hook::do_plugin_hook): Remove.
9813
9814 2008-12-17  Ian Lance Taylor  <iant@google.com>
9815
9816         * options.h (class General_options): Add --no case for
9817         --export-dynamic.
9818
9819 2008-12-16  Cary Coutant  <ccoutant@google.com>
9820
9821         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9822         vector.
9823         (Plugin_manager::claim_file): Create plugin object even if
9824         plugin did not call the add_symbols callback.
9825         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9826         asking for more symbols than were added.
9827         * testsuite/Makefile.am (plugin_test_1): Add test case with
9828         no global symbols.
9829         (empty.syms): New target.
9830         * testsuite/Makefile.in: Regenerate.
9831         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9832         message. Don't call add_symbols if no globals.
9833         (all_symbols_read_hook): Don't provide replacement for empty
9834         claimed file.
9835
9836 2008-12-12  Ian Lance Taylor  <iant@google.com>
9837
9838         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9839         r_type == 0 for a local symbol with r_sym == 0.
9840         (scan_relocatable_relocs): Pass r_sym to
9841         local_non_section_strategy.
9842         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9843         r_sym parameter.
9844
9845         * configure.ac: Update test for TLS descriptors: they are
9846         supported as of glibc 2.9.
9847         * configure: Rebuild.
9848
9849 2008-12-11  Ian Lance Taylor  <iant@google.com>
9850
9851         PR 7091
9852         * target-reloc.h (Default_scan_relocatable_relocs): For each
9853         function, map r_type == 0 to RELOC_DISCARD.
9854
9855 2008-12-10  Cary Coutant  <ccoutant@google.com>
9856
9857         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9858         object to override a kept COMDAT group from a plugin object.
9859
9860 2008-12-09  Ian Lance Taylor  <iant@google.com>
9861
9862         PR 7088
9863         * yyscript.y (file_cmd): Handle INPUT.
9864
9865         * testsuite/initpri1.c: Change all declarations to be full
9866         prototypes by adding void, to avoid compiler warnings.
9867
9868 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9869
9870         * options.cc (General_options::parse_plugin_opt): New.
9871         (General_options::add_plugin): The argument now is just the filename.
9872         (General_options::add_plugin_option): New.
9873         * options.h (plugin_opt): New.
9874         (add_plugin): Change argument name.
9875         (add_plugin_option): New.
9876         * plugin.cc (Plugin::load): Don't parse the plugin option.
9877         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9878         (Plugin::add_option): New.
9879         (Plugin::args_): Change type.
9880         (Plugin::filename_): New.
9881         (Plugin_manager::add_plugin_option): New.
9882         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9883         * testsuite/Makefile.in: Regenerate.
9884
9885 2008-12-05  Cary Coutant  <ccoutant@google.com>
9886
9887         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9888         Handle --strip-lto-sections option.
9889         * options.h (strip_lto_sections): New option.
9890
9891 2008-12-01  Cary Coutant  <ccoutant@google.com>
9892
9893         * plugin.cc (ld_plugin_message): Change format parameter to const.
9894         Fix mismatch between new[] and delete.
9895
9896 2008-11-14  Cary Coutant  <ccoutant@google.com>
9897
9898         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9899         instead of -1U.
9900
9901 2008-11-05  Craig Silverstein  <csilvers@google.com>
9902
9903         * options.cc (General_options::parse_dynamic_list): New function.
9904         * options.h (General_options): New flags dynamic_list,
9905         dynamic_list_data, dynamic_list_cpp_new, and
9906         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9907         (General_options::in_dynamic_list): New function.
9908         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9909         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9910         (Lex::can_continue_name): Likewise.
9911         (yylex): Likewise.
9912         (read_script_file): New parameter script_options.
9913         (read_dynamic_list): New function.
9914         (Script_options::define_dynamic_list): New function.
9915         (dynamic_list_keyword_parsecodes): New variable.
9916         (dynamic_list_keywords): New variable.
9917         * script.h (Script_options::define_dynamic_list): New function
9918         prototype.
9919         (read_dynamic_list): New function prototype.
9920         * symtab.cc (strprefix): New macro.
9921         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9922         dynamic_list_data, dynamic_list_cpp_new, and
9923         dynamic_list_cpp_typeinfo.
9924         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9925         (dynamic_list_expr): New rule.
9926         (dynamic_list_nodes): Likewise.
9927         (dynamic_list_node): Likewise.
9928         * testsuite/Makefile.am (dynamic_list): New test.
9929         * testsuite/Makefile.in: Regenerated.
9930         * testsuite/dynamic_list.t: New file.
9931         * testsuite/dynamic_list.sh: New file.
9932
9933 2008-11-05  Craig Silverstein  <csilvers@google.com>
9934
9935         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9936         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9937         (t11_last): Likewise.
9938         * testsuite/ver_test_6.c (main): Likewise.
9939
9940 2008-10-07  Cary Coutant  <ccoutant@google.com>
9941
9942         * options.c (General_options::finalize): Add check for -static and
9943         -shared.
9944         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9945         is not empty.
9946
9947 2008-10-02  Cary Coutant  <ccoutant@google.com>
9948
9949         * plugin.cc (make_sized_plugin_object): Fix conditional
9950         compilation to work when not all targets are enabled.
9951
9952 2008-09-29  Cary Coutant  <ccoutant@google.com>
9953
9954         * archive.cc (Archive::get_file_and_offset): Use filename instead
9955         of name to get library path.
9956         (Archive::include_member): Unlock external member of a thin archive.
9957
9958         * testsuite/Makefile.am (TEST_AR): New variable.
9959         (thin_archive_test_1): New test.
9960         (thin_archive_test_2): New test.
9961         * testsuite/Makefile.in: Regenerate.
9962         * testsuite/thin_archive_main.cc: New file.
9963         * testsuite/thin_archive_test_1.cc: New file.
9964         * testsuite/thin_archive_test_2.cc: New file.
9965         * testsuite/thin_archive_test_3.cc: New file.
9966         * testsuite/thin_archive_test_4.cc: New file.
9967
9968 2008-09-29  Cary Coutant  <ccoutant@google.com>
9969
9970         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9971         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9972         instead of -1U.
9973         (Sized_relobj::do_finalize_local_symbols): Likewise.
9974         (Sized_relobj::map_to_kept_section): Likewise.
9975         * object.h (Sized_relobj::invalid_address): New constant.
9976         (Sized_relobj::do_output_section_offset): Check for invalid_address
9977         and return -1ULL.
9978         * output.cc (Output_reloc::local_section_offset): Use constant
9979         invalid_address instead of -1U.
9980         (Output_reloc::get_address): Likewise.
9981         (Output_section::output_address): Change -1U to -1ULL.
9982         * output.h (Output_reloc::invalid_address): New constant.
9983         * reloc.cc (Sized_relobj::write_sections): Use constant
9984         invalid_address instead of -1U.
9985         (Sized_relobj::relocate_sections): Likewise.
9986         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9987         values for merge sections.
9988         * target-reloc.h (relocate_for_relocatable): Use constant
9989         invalid_address instead of -1U.
9990
9991 2008-09-19  Cary Coutant  <ccoutant@google.com>
9992
9993         Add plugin functionality for link-time optimization (LTO).
9994         * configure.ac (plugins): Add --enable-plugins option.
9995         * configure: Regenerate.
9996         * config.in: Regenerate.
9997         * Makefile.am (LIBDL): New variable.
9998         (CCFILES): Add plugin.cc.
9999         (HFILES): Add plugin.h.
10000         (ldadd_var): Add LIBDL.
10001         * Makefile.in: Regenerate.
10002
10003         * archive.cc: Include "plugin.h".
10004         (Archive::setup): Don't preread archive symbols when using a plugin.
10005         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10006         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10007         files.
10008         (Archive::include_member): Add symbols from plugin objects.
10009         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10010         * descriptors.cc (Descriptors::open): Check for file descriptors
10011         abandoned by plugins.
10012         (Descriptors::claim_for_plugin): New function.
10013         * descriptors.h (Descriptors::claim_for_plugin): New function.
10014         (Open_descriptor::is_claimed): New field.
10015         (claim_descriptor_for_plugin): New function.
10016         * fileread.cc (File_read::claim_for_plugin): New function.
10017         * fileread.h (File_read::claim_for_plugin): New function.
10018         (File_read::descriptor): New function.
10019         * gold.cc: Include "plugin.h".
10020         (queue_initial_tasks): Add task to call plugin hooks for generating
10021         new object files.
10022         * main.cc: Include "plugin.h".
10023         (main): Load plugin libraries.
10024         * object.h (Pluginobj): Declare.
10025         (Object::pluginobj): New function.
10026         (Object::do_pluginobj): New function.
10027         (Object::set_target): New function.
10028         * options.cc: Include "plugin.h".
10029         (General_options::parse_plugin): New function.
10030         (General_options::General_options): Initialize plugins_ field.
10031         (General_options::add_plugin): New function.
10032         * options.h (Plugin_manager): Declare.
10033         (General_options): Add --plugin option.
10034         (General_options::has_plugins): New function.
10035         (General_options::plugins): New function.
10036         (General_options::add_plugin): New function.
10037         (General_options::plugins_): New field.
10038         * plugin.cc: New file.
10039         * plugin.h: New file.
10040         * readsyms.cc: Include "plugin.h".
10041         (Read_symbols::do_read_symbols): Check for archive before checking
10042         for ELF file.  Call plugin hooks to claim files.
10043         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10044         from a real object file; force override when processing replacement
10045         files.
10046         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10047         (Symbol::init_base_object): Likewise.
10048         (Symbol::init_base_output_data): Likewise.
10049         (Symbol::init_base_output_segment): Likewise.
10050         (Symbol::init_base_constant): Likewise.
10051         (Symbol::init_base_undefined): Likewise.
10052         (Symbol::output_section): Assert that object is not a plugin.
10053         (Symbol_table::add_from_pluginobj): New function.
10054         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10055         undefined.
10056         (Symbol_table::sized_write_globals): Likewise.
10057         (Symbol_table::add_from_pluginobj): Instantiate template.
10058         * symtab.h (Sized_pluginobj): Declare.
10059         (Symbol::in_real_elf): New function.
10060         (Symbol::set_in_real_elf): New function.
10061         (Symbol::in_real_elf_): New field.
10062         (Symbol_table::add_from_pluginobj): New function.
10063
10064         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10065         (LIBDL): New variable.
10066         (LDADD): Add LIBDL.
10067         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10068         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10069         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10070         (MOSTLYCLEANFILES): Likewise.
10071         * testsuite/Makefile.in: Regenerate.
10072         * testsuite/plugin_test.c: New file.
10073         * testsuite/plugin_test_1.sh: New file.
10074         * testsuite/plugin_test_2.sh: New file.
10075
10076 2008-09-16  Ian Lance Taylor  <iant@google.com>
10077
10078         * target-reloc.h (relocate_section): Check whether a symbol is
10079         defined by the ABI before reporting an undefined symbol error.
10080         * target.h (Target::is_defined_by_abi): Make parameter const.
10081         (Target::do_is_defined_by_abi): Likewise.
10082         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10083         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10084         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10085         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10086         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10087         * testsuite/Makefile.in: Rebuild.
10088
10089         * fileread.cc (make_view): Add casts to avoid warning.
10090
10091 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10092
10093         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10094         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10095
10096 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10097
10098         * options.h (General_options::output_is_executable): New.
10099         (General_options::output_is_pie): New.
10100         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10101         for shared libraries.
10102         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10103
10104 2008-09-11  Chris Demetriou  <cgd@google.com>
10105
10106         * options.h (origin): New -z option.
10107         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10108         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10109         in DT_FLAGS_1.
10110
10111 2008-09-05  Cary Coutant  <ccoutant@google.com>
10112
10113         * fileread.cc (File_read::make_view): Add check for attempt to map
10114         beyond end of file.
10115
10116 2008-09-05  Cary Coutant  <ccoutant@google.com>
10117
10118         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10119         explicit instantiations.
10120
10121 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10122
10123         PR gold/6858
10124         * options.cc (General_options::finalize): Allow undefined symbols
10125         in shlibs if linking -shared.
10126
10127         PR gold/6859
10128         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10129         symbols as not needing a dynsym entry.
10130
10131 2008-08-20  Craig Silverstein  <csilvers@google.com>
10132
10133         * fileread.cc (File_read::open): Do not lock the file unless it
10134         was successfully opened.
10135
10136 2008-08-14  Cary Coutant  <ccoutant@google.com>
10137
10138         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10139         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10140         * testsuite/tls_test.cc (struct int128): 128-bit struct
10141         for testing TLS relocs with non-zero addend.
10142         (v12): New TLS variable.
10143         (t12): New test.
10144         (t_last): Add check for v12.
10145         * testsuite/tls_test.h (t12): New function.
10146         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10147
10148 2008-08-13  Ian Lance Taylor  <iant@google.com>
10149
10150         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10151         set tls_segment_ or relro_segment_.
10152         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10153         when appropriate.
10154         * output.h (Output_section::clear_is_relro): New function.
10155         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10156         sections specially even when output_data_ is empty.
10157         (Output_segment::maximum_alignment): When first section is relro,
10158         only force alignment for PT_LOAD segments.
10159         * script.cc (script_data_segment_align): New function.
10160         (script_data_segment_relro_end): New function.
10161         * script-c.h (script_data_segment_align): Declare.
10162         (script_data_segment_relro_end): Declare.
10163         * script-sections.h (class Script_sections): Declare
10164         data_segment_align and data_segment_relro_end.  Add fields
10165         segment_align_index_ and saw_relro_end_.
10166         * script-sections.cc (class Sections_element): Add set_is_relro
10167         virtual function.  Add new bool* parameter to place_orphan_here.
10168         Add get_output_section virtual function.
10169         (class Output_section_definition): Add set_is_relro.  Add new
10170         bool* parameter to place_orphan_here.  Add get_output_section.
10171         Add is_relro_ field.
10172         (Output_section_definition::Output_section_definition): Initialize
10173         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10174         and is_relro_ fields.
10175         (Output_section_definition::place_orphan_here): Add is_relro
10176         parameter.
10177         (Output_section_definition::set_section_addresses): Set relro for
10178         output section.
10179         (Output_section_definition::alternate_constraint): Likewise.
10180         (class Orphan_output_section): Add new bool* parameter to
10181         place_orphan_here.  Add get_output_section.
10182         (Orphan_output_section::place_orphan_here): Add is_relro
10183         parameter.
10184         (Script_sections::Script_sections): Initialize
10185         data_segment_align_index_ and saw_relro_end_.
10186         (Script_sections::data_segment_align): New function.
10187         (Script_sections::data_segment_relro_end): New function.
10188         (Script_sections::place_orphan): Set or clear is_relro.
10189         (Script_sections::set_section_addresses): Force alignment of first
10190         TLS section.
10191         * yyscript.y (exp): Call script_data_segment_align and
10192         script_data_segment_relro_end.
10193         * testsuite/relro_script_test.t: New file.
10194         * testsuite/relro_test.cc (using_script): Declare.
10195         (t1, t2): Test using_script.
10196         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10197         (relro_script_test_SOURCES): Define.
10198         (relro_script_test_DEPENDENCIES): Define.
10199         (relro_script_test_LDFLAGS): Define.
10200         (relro_script_test_LDADD): Define.
10201         (relro_script_test.so): New target.
10202         * testsuite/Makefile.in: Rebuild.
10203
10204 2008-08-06  Cary Coutant <ccoutant@google.com>
10205
10206         * archive.cc (Archive::total_archives, Archive::total_members)
10207         (Archive::total_members_loaded): New variables.
10208         (Archive::setup): Add parameter.  Add option to preread
10209         archive symbols.
10210         (Archive::read_armap): Add counter.
10211         (Archive::get_file_and_offset): New function.
10212         (Archive::get_elf_object_for_member): New function.
10213         (Archive::read_all_symbols): New function.
10214         (Archive::read_symbols): New function.
10215         (Archive::add_symbols): Add counters.
10216         (Archive::include_all_members): Use armap to find members if it's
10217         already built.
10218         (Archive::include_member): Skip reading symbols if already read.
10219         Factored code into Archive::get_file_and_offset and
10220         Archive::get_elf_object_for_member.  Changed call to
10221         Mapfile::report_include_archive_member.
10222         (Archive::print_stats): New function.
10223         * archive.h: Declare Object and Read_symbols_data classes.
10224         (Archive::Archive): Add initializers for new members.
10225         (Archive::setup): Add parameter.
10226         (Archive::print_stats): New function.
10227         (Archive::total_archives, Archive::total_members)
10228         (Archive::total_members_loaded): New variables.
10229         (Archive::get_file_and_offset): New function.
10230         (Archive::get_elf_object_for_member): New function.
10231         (Archive::read_all_symbols): New function.
10232         (Archive::read_symbols): New function.
10233         (Archive::Archive_member): New class.
10234         (Archive::members_): New member.
10235         (Archive::num_members_): New member.
10236         * main.cc: Include archive.h.
10237         (main): Call Archive::print_stats.
10238         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10239         archive parameter; member_name is now the fully-decorated name.
10240         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10241         * options.h: (General_options): Add --preread-archive-symbols option.
10242         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10243         Archive::setup.
10244
10245 2008-08-04  Ian Lance Taylor  <iant@google.com>
10246
10247         * symtab.h (Symbol::use_plt_offset): New function.
10248         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10249         * powerpc.cc (Relocate::relocate): Likewise.
10250         * sparc.cc (Relocate::relocate): Likewise.
10251         * x86_64.cc (Relocate::relocate): Likewise.
10252         * testsuite/weak_plt.sh: New test.
10253         * testsuite/weak_plt_main.cc: New test.
10254         * testsuite/weak_plt_shared.cc: New test.
10255         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10256         (check_PROGRAMS): Add weak_plt.
10257         (check_DATA): Add weak_plt_shared.so.
10258         (weak_plt_main_pic.o, weak_plt): New targets.
10259         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10260         * testsuite/Makefile.in: Rebuild.
10261
10262         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10263         gcctestdir/ld.
10264         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10265         * testsuite/Makefile.in: Rebuild.
10266
10267 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10268
10269         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10270         * Makefile.in: Regenerate.
10271         * po/POTFILES.in: Regenerate.
10272
10273 2008-07-29  Ian Lance Taylor  <iant@google.com>
10274
10275         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10276         symbols before other symbols.
10277         * testsuite/script_test_2.cc (test_addr): Declare.
10278         (test_addr_alias): Declare.
10279         (main): Check that test_addr and test_addr_alias have the right
10280         values.
10281         * testsuite/script_test_2.t: Define test_addr_alias and
10282         test_addr.
10283
10284 2008-07-24  Ian Lance Taylor  <iant@google.com>
10285
10286         PR 5990
10287         * descriptors.cc: New file.
10288         * descriptors.h: New file.
10289         * gold-threads.h (class Hold_optional_lock): New class.
10290         * fileread.cc: Include "descriptors.h".
10291         (File_read::~File_read): Release descriptor rather than closing
10292         it.
10293         (File_read::open) [file]: Call open_descriptor rather than open.
10294         Set is_descriptor_opened_.
10295         (File_read::open) [memory]: Assert that descriptor is not open.
10296         (File_read::reopen_descriptor): New function.
10297         (File_read::release): Release descriptor.
10298         (File_read::do_read): Make non-const.  Reopen descriptor.
10299         (File_read::read): Make non-const.
10300         (File_read::make_view): Reopen descriptor.
10301         (File_read::do_readv): Likewise.
10302         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10303         Update declarations.
10304         * layout.cc: Include "descriptors.h".
10305         (Layout::create_build_id): Use open_descriptor rather than open.
10306         * output.cc: Include "descriptors.h".
10307         (Output_file::open): Use open_descriptor rather than open.
10308         * archive.cc (Archive::const_iterator): Change Archive to be
10309         non-const.
10310         (Archive::begin, Archive::end): Make non-const.
10311         (Archive::count_members): Likewise.
10312         * archive.h (class Archive): Update declarations.
10313         * object.h (Object::read): Make non-const.
10314         * Makefile.am (CCFILES): Add descriptors.cc.
10315         (HFILES): Add descriptors.h.
10316         * Makefile.in: Rebuild.
10317
10318         PR 6716
10319         * gold.h: Always include <clocale>.  Add Solaris workarounds
10320         following code in binutils/sysdep.h.
10321
10322         PR 6048
10323         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10324         this->eh_frame_hdr_ is NULL before using it.
10325
10326         * dynobj.cc (Versions::Versions): Update comment.
10327
10328         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10329         the base version name.
10330
10331         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10332         array size plus one.
10333         (Stringpool_template::set_string_offsets): Subtract one from key
10334         before using it as an array index.
10335         (Stringpool_template::get_offset_with_length): Likewise.
10336         (Stringpool_template::write_to_buffer): Likewise.
10337         * stringpool.h (Stringpool_template::get_offset_from_key):
10338         Likewise.
10339
10340 2008-07-23  Ian Lance Taylor  <iant@google.com>
10341
10342         PR 6658
10343         * object.h (Merged_symbol_value::value): Do our best to handle a
10344         negative addend.
10345
10346         PR 6647
10347         * script.cc (Version_script_info::get_versions): Don't add empty
10348         version tag to return value.
10349         (Version_script_info::get_symbol_version_helper): Change return
10350         type to bool.  Add pversion parameter.  Change all callers.
10351         (script_register_vers_node): Don't require a non-NULL tag.
10352         * script.h (class Version_script_info): Update declarations.
10353         (Version_script_info::get_symbol_version): Change return type to
10354         bool.  Add version parameter.  Change all callers.
10355         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10356         handling.  Handle an empty version from a version script.
10357         (Symbol_table::define_special_symbol): Likewise.
10358         * testsuite/ver_test_10.script: New file.
10359         * testsuite/ver_test_10.sh: New file.
10360         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10361         (check_DATA): Add ver_test_10.syms.
10362         (ver_test_10.syms, ver_test_10.so): New target.
10363         * testsuite/Makefile.in: Rebuild.
10364
10365 2008-07-23  Simon Baldwin  <simonb@google.com>
10366
10367         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10368         to zero for undefined symbols from dynamic libraries.
10369
10370 2008-07-23  Ian Lance Taylor  <iant@google.com>
10371
10372         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10373         Change all callers.
10374         * symtab.h (class Symbol_table): Update declaration.
10375         * testsuite/ver_test_9.cc: New file.
10376         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10377         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10378         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10379         (ver_test_9.so, ver_test_9.o): New targets.
10380         * testsuite/Makefile.in: Rebuild.
10381
10382 2008-07-22  Ian Lance Taylor  <iant@google.com>
10383
10384         * options.h (class General_options): Define --check-sections.
10385         * layout.cc (Layout::set_segment_offsets): Handle
10386         --check-sections.
10387
10388         * options.h (class General_options): Define -n/--nmagic and
10389         -N/--omagic.
10390         * options.cc (General_options::finalize): For -n/--nmagic or
10391         -N/--omagic, set -static.
10392         * layout.cc (Layout::attach_allocated_section_to_segment): If
10393         -N/--omagic, don't put read-only and read-write sections in
10394         different segments.
10395         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10396         finding a read-only segment.
10397         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10398         don't set the minimum segment alignment to the common page size,
10399         and don't set the file offset to the address modulo the page size.
10400         * script-sections.cc (Script_sections::create_segments): If
10401         -n/--omagic, don't put read-only and read-write sections in
10402         different segments.
10403
10404         * cref.cc: New file.
10405         * cref.h: New file.
10406         * options.h (class General_options): Add --print-symbol-counts.
10407         * main.cc (main): Issue defined symbol report if requested.
10408         * archive.cc (Archive::interpret_header): Make into a const member
10409         function.
10410         (Archive::add_symbols): Call Input_objects::archive_start and
10411         archive_stop.
10412         (Archive::const_iterator): Define new class.
10413         (Archive::begin, Archive::end): New functions.
10414         (Archive::include_all_members): Rewrite to use iterator.
10415         (Archive::count_members): New function.
10416         * archive.h (class Archive): Update declarations.
10417         (Archive::filename): New function.
10418         * object.cc: Include "cref.h".
10419         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10420         (Sized_relobj::do_get_global_symbol_counts): New function.
10421         (Input_objects::add_object): Add object to cross-referencer.
10422         (Input_objects::archive_start): New function.
10423         (Input_objects::archive_stop): New function.
10424         (Input_objects::print_symbol_counts): New function.
10425         * object.h: Declare Cref and Archive.
10426         (Object::get_global_symbol_counts): New function.
10427         (Object::do_get_global_symbol_counts): New pure virtual function.
10428         (class Sized_relobj): Add defined_count_ field.  Update
10429         declarations.
10430         (class Input_objects): Add cref_ field.  Update constructor.
10431         Update declarations.
10432         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10433         defined_count_.
10434         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10435         symbol counts.
10436         (Sized_dynobj::do_get_global_symbol_counts): New function.
10437         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10438         defined_count_.  Update declarations.  Define Symbols typedef.
10439         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10440         parameter.  Change all callers.
10441         (Symbol_table::add_from_dynobj): Add sympointers and defined
10442         parameters.  Change all callers.
10443         * symtab.h (class Symbol_table): Update declarations.
10444         * Makefile.am (CCFILES): Add cref.cc.
10445         (HFILES): Add cref.h.
10446         * Makefile.in: Rebuild.
10447
10448 2008-07-22  Simon Baldwin  <simonb@google.com>
10449
10450         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10451         to zero when writing undefined symbols.
10452
10453 2008-07-22  Ian Lance Taylor  <iant@google.com>
10454
10455         * output.cc (Output_section::add_input_section): Don't try to
10456         merge empty merge sections.
10457
10458 2008-07-21  Craig Silverstein  <csilvers@google.com>
10459
10460         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10461         Include symbol version in error message.
10462
10463 2008-07-20  Chris Demetriou  <cgd@google.com>
10464
10465         * configure.ac (gold_cv_c_random_seed): New configured variable.
10466         (RANDOM_SEED_CFLAGS): New substituted variable.
10467         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10468         * configure: Rebuild.
10469         * Makefile.in: Likewise.
10470         * testsuite/Makefile.in: Likewise.
10471
10472 2008-07-18  Ian Lance Taylor  <iant@google.com>
10473
10474         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10475         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10476         * testsuite/ver_test_main.cc (main): Call t4.
10477         (t4, t4_2a): Define.
10478         * testsuite/ver_test_2.cc (t4_2): Define.
10479         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10480         * testsuite/ver_test_4.cc (t4_2a): Define.
10481         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10482         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10483
10484 2008-07-17  Ian Lance Taylor  <iant@google.com>
10485
10486         * dynobj.cc (Versions::add_def): If we give an error about a
10487         missing version, go ahead and create the version anyhow.
10488
10489 2008-07-10  Ian Lance Taylor  <iant@google.com>
10490
10491         Handle output sections with more than 0x7fffffff bytes.
10492         * object.h (class Relobj): Change map_to_output_ to
10493         output_sections_, and just keep a section pointer.  Change all
10494         uses.  Move comdat group support to Sized_relobj.
10495         (Relobj::is_section_specially_mapped): Remove.
10496         (Relobj::output_section): Remove poff parameter.  Change all
10497         callers.
10498         (Relobj::output_section_offset): New function.
10499         (Relobj::set_section_offset): Rewrite.
10500         (Relobj::map_to_output): Remove.
10501         (Relobj::output_sections): New function.
10502         (Relobj::do_output_section_offset): New pure virtual function.
10503         (Relobj::do_set_section_offset): Likewise.
10504         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10505         group support from Relobj.  Update declarations.
10506         (Sized_relobj::get_output_section_offset): New function.
10507         (Sized_relobj::do_output_section_offset): New function.
10508         (Sized_relobj::do_set_section_offset): New function.
10509         * object.cc (Relobj::output_section_address): Remove.
10510         (Sized_relobj::Sized_relobj): Initialize new fields.
10511         (Sized_relobj::include_section_group): Cast find_kept_object to
10512         Sized_relobj.
10513         (Sized_relobj::include_linkonce_section): Likewise.
10514         (Sized_relobj::do_layout): Use separate arrays for output section
10515         and output offset.
10516         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10517         output_sections.
10518         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10519         output_sections and section_offsets.
10520         (Sized_relobj::write_local_symbols): Likewise.
10521         (map_to_kept_section): Compute output address directly.
10522         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10523         output_sections and section_offsets.
10524         (Sized_relobj::write_sections): Likewise.
10525         (Sized_relobj::relocate_sections): Likewise.
10526         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10527         * output.h (class Output_reloc): Update declarations.  Change
10528         u2_.relobj to Sized_relobj*.
10529         (class Output_data_reloc): Change add functions to use
10530         Sized_relobj*.
10531         * output.cc (Output_reloc::Output_reloc): Change relobj to
10532         Sized_relobj*.
10533         (Output_reloc::local_section_offset): Change return type to
10534         Elf_Addr.  Use get_output_section_offset.
10535         (Output_reloc::get_address): Likewise.
10536         (Output_section::is_input_address_mapped): Don't call
10537         is_section_specially_mapped.
10538         (Output_section::output_offset): Likewise.
10539         (Output_section::output_address): Likewise.
10540         (Output_section::starting_output_address): Likewise.
10541         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10542         parameter to Sized_relobj*.
10543         (Copy_relocs::need_copy_reloc): Likewise.
10544         (Copy_relocs::save): Likewise.
10545         * copy-relocs.h (class Copy_relocs): Update declarations.
10546         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10547         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10548         * target-reloc.h (relocate_for_relocatable): Change
10549         offset_in_output_section type to Elf_Addr.  Change code that uses
10550         it as well.
10551         * layout.cc (Layout::layout): Always set *off.
10552         * mapfile.cc (Mapfile::print_input_section): Use
10553         output_section_offset.
10554         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10555         Sized_relobj*.
10556         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10557         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10558         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10559
10560 2008-07-03  Ian Lance Taylor  <iant@google.com>
10561
10562         * layout.cc (Layout::include_section): Do not discard unrecognized
10563         SHT_STRTAB sections.
10564
10565 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10566
10567         * script.cc (Lex::can_continue_name): Make '?' allowable in
10568         version-script names.
10569         * testsuite/version_script.map: Change glob pattern to use '?'
10570
10571 2008-06-30  Manish Singh  <yosh@gimp.org>
10572
10573         PR 6585
10574         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10575         Correct typo.
10576
10577 2008-06-30  Ian Lance Taylor  <iant@google.com>
10578
10579         PR 6660
10580         PR 6682
10581         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10582         versions]: Don't try to read the value in the contents, since we
10583         don't use it.  Use the template endianness when writing.
10584
10585 2008-06-25  Cary Coutant  <ccoutant@google.com>
10586
10587         * fileread.cc (File_read::make_view): Assert on zero-length view.
10588         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10589         symbol table when there are no symbols to read.
10590
10591 2008-06-23  Craig Silverstein  <csilvers@google.com>
10592
10593         * version.cc (version_string): Bump to 1.7
10594
10595 2008-06-18  Craig Silverstein  <csilvers@google.com>
10596
10597         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10598         constant 0xFFFF to type Valtype.
10599         (Powerpc_relocate_functions::rel16_ha): Likewise.
10600
10601 2008-06-17  Ian Lance Taylor  <iant@google.com>
10602
10603         * output.h (Output_section::Input_section): Initialize p2align_ to
10604         zero for Output_section_data constructors.
10605         (Output_section::Input_section::addralign): If not an input
10606         section, return the alignment of the Output_section_data.
10607         * testsuite/copy_test.cc: New file.
10608         * testsuite/copy_test_1.cc: New file.
10609         * testsuite/copy_test_2.cc: New file.
10610         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10611         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10612         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10613         (copy_test_1_pic.o, copy_test_1.so): New targets.
10614         (copy_test_2_pic.o, copy_test_2.so): New targets.
10615         * testsuite/Makefile.in: Rebuild.
10616
10617         * script-sections.cc (Script_sections::place_orphan): Initialize
10618         local variable exact.
10619
10620 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10621
10622         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10623
10624 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10625             David S. Miller  <davem@davemloft.net>
10626
10627         * powerpc.cc: New file.
10628         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10629         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10630         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10631         * Makefile.in: Rebuild.
10632
10633 2008-06-09  Ian Lance Taylor  <iant@google.com>
10634
10635         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10636         <exception>.
10637         (throwing, orig_terminate): New static variables.
10638         (terminate_handler): New static function.
10639         (t2): Set terminate handler.
10640
10641 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10642
10643         PR 6584
10644         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10645         alignment.
10646
10647 2008-05-30  Cary Coutant  <ccoutant@google.com>
10648
10649         * archive.cc (Archive::include_all_members) Correct to step
10650         over symbol table and extended name table in thin archives.
10651
10652 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10653
10654         PR 6407
10655         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10656         calculation.
10657
10658 2008-05-28  Caleb Howe  <cshowe@google.com>
10659
10660         * reduced_debug_output.cc: New file.
10661         * reduced_debug_output.h: New file.
10662         * options.h (class General_options): Add --strip-debug-non-line.
10663         * options.cc (General_options::finalize): Add strip_debug_non_line
10664         to the strip heirarchy.
10665         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10666         fields.
10667         * layout.cc: Include "reduced_debug_output.h".
10668         (Layout::Layout): Initialize new fields.
10669         (line_only_debug_sections): New static array.
10670         (is_lines_only_debug_sections): New static inline function.
10671         (Layout::include_section): Handle --strip-debug-non-line.
10672         (Layout::make_output_section): If --strip-debug-non-line, build
10673         new output sections for .debug_abbrev and .debug_info.
10674         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10675         gold.  Warn about possible overflow.
10676         (read_signed_LEB_128): Likewise.
10677         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10678         (read_signed_LEB_128): Declare.
10679         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10680         (HFILES): Add reduced_debug_output.h.
10681         * Makefile.in: Rebuild.
10682
10683 2008-05-21  Ian Lance Taylor  <iant@google.com>
10684
10685         * mapfile.cc: New file.
10686         * mapfile.h: New file.
10687         * options.h (class General_options): Add -M/--print-map and -Map.
10688         * options.cc (General_options::finalize): Make -M equivalent to
10689         -Map -.
10690         * main.cc: Include <cstdio> and "mapfile.h".
10691         (main): Open mapfile if requested.
10692         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10693         constructor.  Change caller.
10694         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10695         (queue_middle_tasks): Likewise.
10696         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10697         declarations.
10698         * archive.cc: Include "mapfile.h".
10699         (Archive::add_symbols): Add mapfile parameter.  Change all
10700         callers.  Pass mapfile, symbol, and reason to include_member.
10701         (Archive::include_all_members): Add mapfile parameter.  Change all
10702         callers.
10703         (Archive::include_member): Add mapfile, sym, and why parameters.
10704         Change all callers.  Report inclusion to map file.
10705         * archive.h: Include "fileread.h".
10706         (class Archive): Update declarations.
10707         (Archive::file): New const method.
10708         (class Add_archive_symbols): Add mapfile_ field.  Update
10709         constructor.  Change all callers.
10710         * readsyms.h (class Read_symbols): Likewise.
10711         (class Finish_group): Likewise.
10712         (class Read_script): Likewise.
10713         * common.cc: Include "mapfile.h".
10714         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10715         all callers.
10716         (Symbol_table::do_allocate_commons): Likewise.
10717         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10718         symbol allocation to mapfile.
10719         * common.h (class Allocate_commons_task): Add mapfile_ field.
10720         Update constructor.  Change all callers.
10721         * symtab.h (class Symbol_table): Update declarations.
10722         * layout.cc: Include "mapfile.h".
10723         (Layout_task_runner::run): Print information to mapfile.
10724         (Layout::create_gold_note): Change Output_data_fixed_space to
10725         Output_data_zero_fill.
10726         (Layout::create_build_id): Likewise.
10727         (Layout::print_to_mapfile): New function.
10728         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10729         constructor.  Change caller.
10730         (class Layout): Declare print_to_mapfile.
10731         * output.cc (Output_section::Input_section::print_to_mapfile): New
10732         function.
10733         (Output_section::add_input_section): If producing a map, always
10734         add to input_sections_ list.
10735         (Output_section::do_print_to_mapfile): New function.
10736         (Output_segment::print_sections_to_mapfile): New function.
10737         (Output_segment::print_section_list_to_mapfile): New function.
10738         * output.h: Include "mapfile.h".
10739         (Output_data::print_to_mapfile): New function.
10740         (Output_data::do_print_to_mapfile): New virtual function.
10741         (Output_segment_headers::do_print_to_mapfile): New function.
10742         (Output_file_header::do_print_to_mapfile): New function.
10743         (Output_data_const::do_print_to_mapfile): New function.
10744         (class Output_data_const_buffer): Add map_name_ field.  Update
10745         constructor.  Change all callers.  Add do_print_to_mapfile
10746         function.
10747         (class Output_data_fixed_space): Likewise.
10748         (class Output_data_space): Likewise.
10749         (class Output_data_zero_fill): New class.
10750         (Output_data_strtab::do_print_to_mapfile): New function.
10751         (Output_data_reloc_base::do_print_to_mapfile): New function.
10752         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10753         (Output_data_group::do_print_to_mapfile): New function.
10754         (Output_data_got::do_print_to_mapfile): New function.
10755         (Output_data_dynamic::do_print_to_mapfile): New function.
10756         (Output_symtab_xindex::do_print_to_mapfile): New function.
10757         (class Output_section): Declare do_print_to_mapflie.  Declare
10758         print_to_mapfile in Input_section.
10759         (class Output_segment): Declare new functions.
10760         * object.h (Sized_relobj::symbol_count): New function.
10761         * script-sections.cc
10762         (Output_section_element_dot_assignment::set_section_addresses):
10763         Change Output_data_fixed_space to Output_data_zero_fill.
10764         (Output_data_expression::do_print_to_mapfile): New function.
10765         * script.cc (read_input_script): Add mapfile parameter.  Change
10766         all callers.
10767         * script.h (read_input_script): Update declaration.
10768         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10769         (Eh_frame::do_print_to_mapfile): New function.
10770         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10771         (Output_merge_string::do_print_to_mapfile): New function.
10772         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10773         function.
10774         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10775         function.
10776         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10777         function.
10778         * Makefile.am (CCFILES): Add mapfile.cc.
10779         (HFILES): Add mapfile.h.
10780         * Makefile.in: Rebuild.
10781
10782 2008-05-19  Ian Lance Taylor  <iant@google.com>
10783
10784         * options.h (class General_options): Add -z relro.
10785         * layout.cc (Layout::Layout): Initialize relro_segment_.
10786         (Layout::add_output_section_data): Return the output section.
10787         (Layout::make_output_section): Rcognize relro sections and mark
10788         them appropriately.
10789         (Layout::attach_allocated_section_to_segment): Put relro sections
10790         in a PT_GNU_RELRO segment.
10791         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10792         section as relro.
10793         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10794         PT_TLS segments.
10795         (Layout::linkonce_mapping): Map d.rel.ro.local to
10796         .data.rel.ro.local.
10797         (Layout::output_section_name): Us .data.rel.ro.local for any
10798         section which begins with that.
10799         * layout.h (class Layout): Update add_output_section_data
10800         declaration.  Add relro_segment_ field.
10801         * output.cc (Output_section::Output_section): Initialize is_relro_
10802         and is_relro_local_ fields.
10803         (Output_segment::add_output_section): Group relro sections.
10804         (Output_segment::is_first_section_relro): New function.
10805         (Output_segment::maximum_alignment): If there is a relro section,
10806         align the segment to the common page size.
10807         (Output_segment::set_section_addresses): Track whether we are
10808         looking at relro sections.  If the last section is a relro
10809         section, align to the common page size.
10810         (Output_segment::set_section_list_addresses): Add in_relro
10811         parameter.  Change all callers.  Align to the page size when
10812         moving from relro to non-relro section.
10813         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10814         segment.
10815         * output.h (class Output_section): Add is_relro_ and
10816         is_relro_local_ fields.
10817         (Output_section::is_relro): New function.
10818         (Output_section::set_is_relro): New function.
10819         (Output_section::is_relro_local): New function.
10820         (Output_section::set_is_relro_local): New function.
10821         (class Output_segment): Update declarations.
10822         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10823         * sparc.cc (Target_sparc::got_section): Likewise.
10824         * x86_64.cc (Target_x86_64::got_section): Likewise.
10825         * testsuite/relro_test_main.cc: New file.
10826         * testsuite/relro_test.cc: New file.
10827         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10828         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10829         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10830         (relro_test.so, relro_test_pic.o): New targets.
10831         * testsuite/Makefile.in: Rebuild.
10832
10833 2008-05-16  Ian Lance Taylor  <iant@google.com>
10834
10835         * output.cc (Output_segment::add_output_section): Remove front
10836         parameter.
10837         * output.h (class Output_segment): Remove
10838         add_initial_output_section and overloaded add_output_section.
10839         Update declaration of remaining add_output_section.
10840         * layout.cc (Layout::create_interp): Call add_output_section
10841         rather than add_initial_output_section.
10842         (Layout::finish_dynamic_section): Likewise.
10843
10844         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10845         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10846         know the dynamic type.
10847         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10848         field.  Initialize it in constructor.
10849         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10850         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10851         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10852         reloc.
10853
10854         * output.cc (Output_reloc::get_address): Change return type to
10855         Elf_Addr.
10856         * output.h (class Output_reloc): Update get_address declaration.
10857         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10858         for section addresses.
10859
10860 2008-05-09  Ian Lance Taylor  <iant@google.com>
10861
10862         PR 6493
10863         * gold.cc (gold_nomem): Use return value of write.
10864
10865 2008-05-08  Ian Lance Taylor  <iant@google.com>
10866
10867         * symtab.c (Symbol::init_base_output_data): Add version
10868         parameter.  Change all callers.
10869         (Symbol::init_base_output_segment): Likewise.
10870         (Symbol::init_base_constant): Likewise.
10871         (Symbol::init_base_undefined): Likewise.
10872         (Sized_symbol::init_output_data): Likewise.
10873         (Sized_symbol::init_output_segment): Likewise.
10874         (Sized_symbol::init_constant): Likewise.
10875         (Sized_symbol::init_undefined): Likewise.
10876         (Symbol_table::do_define_in_output_data): If the new symbol has a
10877         version, mark it as the default.
10878         (Symbol_table::do_define_in_output_segment): Likewise.
10879         (Symbol_table::do_define_as_constant): Likewise.
10880         * symtab.h (class Symbol): Update declarations.
10881         (class Sized_symbol): Likewise.
10882         * resolve.cc (Symbol::override_version): New function.
10883         (Symbol::override_base): Call override_version.
10884         (Symbol::override_base_with_special): Likewise.
10885         * testsuite/ver_script_8.script: New file.
10886         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10887         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10888         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10889         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10890
10891 2008-05-06  Ian Lance Taylor  <iant@google.com>
10892
10893         PR 6049
10894         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10895         functions.
10896         (class General_options): Remove existing --undefined, and add
10897         --no-undefined instead.  Add new --undefined as synonym for -u.
10898         * archive.cc (Archive::add_symbols): Check whether symbol was
10899         named with -u.
10900         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10901         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10902         all uses.  Add IS_UNDEFINED.  Update declarations to split
10903         different versions of init_base.  Declare init_base_undefined.
10904         (Symbol::is_defined): Handle IS_UNDEFINED.
10905         (Symbol::is_undefined): Likewise.
10906         (Symbol::is_weak_undefined): Call is_undefined.
10907         (Symbol::is_absolute): Handle IS_CONSTANT.
10908         (class Sized_symbol): Update declarations to split different
10909         versions of init.  Declare init_undefined.
10910         (class Symbol_table): Declare new functions.
10911         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10912         Change all callers.
10913         (Symbol::init_base_output_data): Likewise.
10914         (Symbol::init_base_output_segment): Likewise.
10915         (Symbol::init_base_constant): Likewise.
10916         (Symbol::init_base_undefined): New function.
10917         (Sized_symbol::init_object): Rename from init.  Change all
10918         callers.
10919         (Sized_symbol::init_output_data): Likewise.
10920         (Sized_symbol::init_output_segment): Likewise.
10921         (Sized_symbol::init_constant): Likewise.
10922         (Sized_symbol::init_undefined): New function.
10923         (Symbol_table::add_undefined_symbols_from_command_line): New
10924         function.
10925         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10926         function.
10927         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10928         (Symbol::output_section): Likewise.
10929         (Symbol::set_output_section): Likewise.
10930         (Symbol_table::sized_finalize_symbol): Likewise.
10931         (Symbol_table::sized_write_globals): Likewise.
10932         * resolve.cc (Symbol_table::should_override): Likewise.
10933         (Symbol::override_base_with_special): Likewise.
10934
10935         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10936         symbol, change it to have default visibility.
10937         * testsuite/protected_1.cc: New file.
10938         * testsuite/protected_2.cc: New file.
10939         * testsuite/protected_3.cc: New file.
10940         * testsuite/protected_main_1.cc: New file.
10941         * testsuite/protected_main_2.cc: New file.
10942         * testsuite/protected_main_3.cc: New file.
10943         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10944         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10945         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10946         (protected_1.so): New target.
10947         (protected_1_pic.o, protected_2_pic.o): New targets.
10948         (protected_3_pic.o): New target.
10949         (check_PROGRAMS): Add protected_2.
10950         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10951         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10952         * testsuite/Makefile.in: Rebuild.
10953
10954         * options.h (DEFINE_var): Add set_user_set_##varname__.
10955         (DEFINE_bool_alias): New macro.
10956         (class General_options): Define -Bstatic using DEFINE_bool_alias
10957         rather than DEFINE_special.  Add --undefined as an alias for -z
10958         defs.
10959         * options.cc (General_options::parse_Bstatic): Remove.
10960
10961         * options.h (class General_options): Add --fatal-warnings.
10962         * main.cc (main): Implement --fatal-warnings.
10963         * errors.h (Errors::warning_count): New function.
10964
10965         * options.h (class General_options): Add -Bsymbolic-functions.
10966         * symtab.h (Symbol::is_preemptible): Check for
10967         -Bsymbolic-functions.
10968
10969 2008-05-05  Ian Lance Taylor  <iant@google.com>
10970
10971         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10972         as noVARNAME rather than no-VARNAME.
10973         (class General_options): Add option -z combreloc.
10974         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10975         get_address.
10976         (Output_reloc::sort_before) [SHT_REL]: New function.
10977         (Output_reloc::sort_before) [SHT_RELA]: New function.
10978         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10979         Sort_relocs_comparison.
10980         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10981         parameter.  Change all callers.
10982         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10983         sort_relocs parameter.  Change all callers.
10984         * output.cc (Output_reloc::get_address): New function, broken out
10985         of write_rel.
10986         (Output_reloc::write_rel): Call it.
10987         (Output_reloc::compare): New function.
10988         (Output_data_reloc_base::do_write): Optionally sort relocs.
10989
10990         * configure.ac: If targ_extra_obj is set, link it in.
10991         * configure.tgt: Initialize all variables.
10992         (x86_64*): Set targ_extra_obj and targ_extra_size.
10993         * configure: Rebuild.
10994
10995         * object.cc (Sized_relobj::include_section_group): Adjust section
10996         indexes read from group data.  Build vector to pass to
10997         layout_group.
10998         * layout.cc (Layout::layout_group): Add flags and shndxes
10999         parameters.  Remove contents parameter.  Change caller.  Update
11000         explicit instantiations.
11001         * layout.h (class Layout): Update layout_group declaration.
11002         * output.cc (Output_data_group::Output_data_group): Add flags and
11003         input_shndxes parameters.  Remove contents parameter.  Change
11004         caller.
11005         (Output_data_group::do_write): Change input_sections_ to
11006         input_shndxes_.
11007         * output.h (class Output_data_group): Update constructor
11008         declaration.  Rename input_sections_ to input_shndxes_.
11009         * testsuite/many_sections_test.cc: Add template.
11010
11011 2008-04-30  Cary Coutant  <ccoutant@google.com>
11012
11013         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11014
11015         * layout.cc (Layout::include_section): Refactored check for debug
11016         info section.
11017         (Layout::add_comdat): Add new parameters.  Change type
11018         of signature parameter.  Add object and shndx to signatures table.
11019         (Layout::find_kept_object): New function.
11020         * layout.h: Include <cstring>.
11021         (Layout::is_debug_info_section): New function.
11022         (Layout::add_comdat): Add new parameters.
11023         (Layout::find_kept_object): New function.
11024         (Layout::Kept_section): New struct.
11025         (Layout::Signatures): Change type of map range.
11026         * object.cc (Relobj::output_section_address): New function.
11027         (Sized_relobj::include_section_group): Add new parameters.  Change
11028         calls to Layout::add_comdat.  Change to build table of kept comdat
11029         groups and table mapping discarded sections to kept sections.
11030         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11031         (Sized_relobj::do_layout): Change calls to include_section_group and
11032         include_linkonce_section.
11033         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11034         value to zero when section is discarded.
11035         (Sized_relobj::map_to_kept_section): New function.
11036         * object.h (Relobj::output_section_address): New function.
11037         (Relobj::Comdat_group): New type.
11038         (Relobj::find_comdat_group): New function.
11039         (Relobj::Comdat_group_table): New type.
11040         (Relobj::Kept_comdat_section): New type.
11041         (Relobj::Kept_comdat_section_table): New type.
11042         (Relobj::add_comdat_group): New function.
11043         (Relobj::set_kept_comdat_section): New function.
11044         (Relobj::get_kept_comdat_section): New function.
11045         (Relobj::comdat_groups_): New field.
11046         (Relobj::kept_comdat_sections_): New field.
11047         (Symbol_value::input_value): Update comment.
11048         (Sized_relobj::map_to_kept_section) New function.
11049         (Sized_relobj::include_linkonce_section): Add new parameter.
11050         * target-reloc.h (Comdat_behavior): New type.
11051         (get_comdat_behavior): New function.
11052         (relocate_section): Add code to map a discarded section to the
11053         corresponding kept section when applying a relocation.
11054
11055 2008-04-30  Craig Silverstein  <csilvers@google.com>
11056
11057         * dwarf_reader.cc (next_generation_count): New static var.
11058         (Addr2line_cache_entry): New struct.
11059         (addr2line_cache): New static var.
11060         (Dwarf_line_info::one_addr2line): Added caching.
11061         (Dwarf_line_info::clear_addr2line_cache): New function.
11062         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11063         cache-size parameter.
11064         (Dwarf_line_info::one_addr2line_cache): New function.
11065         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11066         new cache-size argument to one_addr2line(), and clear cache.
11067
11068 2008-04-28  Cary Coutant  <ccoutant@google.com>
11069
11070         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11071         R_386_PC8 relocations.
11072
11073 2008-04-23  Ian Lance Taylor  <iant@google.com>
11074
11075         * object.cc (Sized_relobj::include_section_group): Check for
11076         invalid section group.
11077
11078         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11079         header size.
11080
11081         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11082         than read for file header.
11083         * archive.cc (Archive::include_member): Likewise.
11084
11085 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11086
11087         * aclocal.m4: Regenerate.
11088         * configure: Regenerate.
11089
11090 2008-04-19  Ian Lance Taylor  <iant@google.com>
11091
11092         * version.cc (version_string): Bump to 1.6.
11093
11094         * testsuite/Makefile.am (many_sections_r_test): New target.
11095         (many_sections_r_test_SOURCES): Remove.
11096         (many_sections_r_test_DEPENDENCIES): Remove.
11097         (many_sections_r_test_LDFLAGS): Remove.
11098         (many_sections_r_test_LDADD): Remove.
11099
11100         * object.cc (Sized_relobj::do_add_symbols): Always pass
11101         local_symbol_count_ to add_from_relobj.
11102
11103         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11104         every thousand variables.
11105         * testsuite/Makefile.in: Rebuild.
11106
11107         * object.cc (Xindex::initialize_symtab_xindex): New function.
11108         (Xindex::read_symtab_xindex): New function.
11109         (Xindex::sym_xindex_to_shndx): New function.
11110         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11111         available.
11112         (Sized_relobj::do_initialize_xindex): New function.
11113         (Sized_relobj::do_read_symbols): Adjust section links.
11114         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11115         parameter.  Change all callers.
11116         (Sized_relobj::include_section_group): Adjust section links and
11117         symbol section indexes.
11118         (Sized_relobj::do_layout): Adjust section links.
11119         (Sized_relobj::do_count_local_symbols): Adjust section links and
11120         symbol section indexes.
11121         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11122         ordinary and special symbols.
11123         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11124         dynsym_xindex parameters.  Change all callers.  Adjust section
11125         links.  Use SHN_XINDEX when needed.
11126         (Sized_relobj::get_symbol_location_info): Adjust section links.
11127         Don't get fooled by special symbols.
11128         * object.h (class Xindex): Define.
11129         (class Object): Add xindex_ parameter.  Declare virtual functoin
11130         do_initialize_xindex.
11131         (Object::adjust_sym_shndx): New function.
11132         (Object::set_xindex): New protected function.
11133         (class Symbol_value): Add is_ordinary_shndx_ field.
11134         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11135         (Symbol_value::value): Assert ordinary section.
11136         (Symbol_value::initialize_input_to_output_map): Likewise.
11137         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11138         Change all callers.
11139         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11140         all callers.
11141         (class Sized_relobj): Update declarations.
11142         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11143         parameter.  Change all callers.
11144         (Sized_relobj::adjust_shndx): New function.
11145         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11146         field.
11147         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11148         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11149         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11150         (Sized_dynobj::read_dynsym_section): Adjust section links.
11151         (Sized_dynobj::read_dynamic): Likewise.
11152         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11153         section links.
11154         (Sized_dynobj::do_initialize_xindex): New function.
11155         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11156         do_initialize_xindex.
11157         (Sized_dynobj::adjust_shndx): New function.
11158         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11159         dynsym_xindex_ fields.
11160         (Layout::finalize): Add a call to set_section_indexes before
11161         creating the symtab sections.
11162         (Layout::set_section_indexes): Don't do anything if the section
11163         already has a section index.
11164         (Layout::create_symtab_sections): Add shnum parameter.  Change
11165         caller.  Create .symtab_shndx section if needed.
11166         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11167         caller.
11168         (Layout::allocated_output_section_count): New function.
11169         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11170         needed.
11171         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11172         fields.  Update declarations.
11173         (Layout::symtab_xindex): New function.
11174         (Layout::dynsym_xindex): New function.
11175         (class Write_symbols_task): Add layout_ field.
11176         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11177         Change caller.
11178         * output.cc (Output_section_headers::Output_section_headers): Add
11179         shstrtab_section parameter.  Change all callers.
11180         (Output_section_headers::do_sized_write): Store overflow values
11181         for section count and section string table section index in
11182         section header zero.
11183         (Output_file_header::do_sized_write): Check for overflow of
11184         section count and section string table section index.
11185         (Output_symtab_xindex::do_write): New function.
11186         (Output_symtab_xindex::endian_do_write): New function.
11187         * output.h (class Output_section_headers): Add shstrtab_section_.
11188         Update declarations.
11189         (class Output_symtab_xindex): Define.
11190         (Output_section::has_out_shndx): New function.
11191         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11192         field.
11193         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11194         Change all callers.
11195         (Sized_symbol::init): Likewise.
11196         (Symbol::output_section): Check for ordinary symbol.
11197         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11198         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11199         callers.
11200         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11201         Change all callers.  Simplify handling of symbols from sections
11202         not included in the link.
11203         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11204         distinction.
11205         (Weak_alias_sorter::operator()): Assert that symbols are
11206         ordinary.
11207         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11208         distinction.
11209         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11210         parameters.  Change all callers.
11211         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11212         symbol distinction.  Use SHN_XINDEX when needed.
11213         (Symbol_table::write_section_symbol): Add symtab_xindex
11214         parameter.  Change all callers.
11215         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11216         SHN_XINDEX when needed.
11217         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11218         declarations.
11219         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11220         (Symbol::is_defined): Check is_ordinary.
11221         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11222         (Symbol::is_absolute, Symbol::is_common): Likewise.
11223         (class Sized_symbol): Update declarations.
11224         (class Symbol_table): Update declarations.
11225         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11226         parameters.  Change all callers.
11227         (Sized_symbol::override): Likewise.
11228         (Symbol_table::override): Likewise.
11229         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11230         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11231         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11232         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11233         to be in an ordinary section.
11234         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11235         object and is_ordinary parameters.  Change all callers.
11236         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11237         Change all callers.  Don't add undefined or non-ordinary symbols
11238         to reloc_map_.
11239         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11240         Change all callers.
11241         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11242         declarations.
11243         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11244         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11245         (Sized_relobj::relocate_sections): Likewise.
11246         * target-reloc.h (scan_relocs): Adjust section symbol index.
11247         (scan_relocatable_relocs): Likewise.
11248         * i386.cc (Scan::local): Check for ordinary symbols.
11249         * sparc.cc (Scan::local): Likewise.
11250         * x86_64.cc (Scan::local): Likewise.
11251         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11252         to symbol_section_and_value.
11253         * testsuite/many_sections_test.cc: New file.
11254         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11255         (check_PROGRAMS): Add many_sections_test.
11256         (many_sections_test_SOURCES): Define.
11257         (many_sections_test_DEPENDENCIES): Define.
11258         (many_sections_test_LDFLAGS): Define.
11259         (BUILT_SOURCES): Add many_sections_define.h.
11260         (many_sections_define.h): New target.
11261         (BUILT_SOURCES): Add many_sections_check.h.
11262         (many_sections_check.h): New target.
11263         (check_PROGRAMS): Add many_sections_r_test.
11264         (many_sections_r_test_SOURCES): Define.
11265         (many_sections_r_test_DEPENDENCIES): Define.
11266         (many_sections_r_test_LDFLAGS): Define.
11267         (many_sections_r_test_LDADD): Define.
11268         (many_sections_r_test.o): New target.
11269         * testsuite/Makefile.in: Rebuild.
11270
11271 2008-04-17  Cary Coutant  <ccoutant@google.com>
11272
11273         * errors.cc (Errors::info): New function.
11274         (gold_info): New function.
11275         * errors.h (Errors::info): New function.
11276         * gold.h (gold_info): New function.
11277         * object.cc (Input_objects::add_object): Print trace output.
11278         * options.cc (options::parse_set): New function.
11279         (General_options::parse_wrap): Deleted.
11280         (General_options::General_options): Deleted initializer.
11281         * options.h (options::String_set): New typedef.
11282         (options::parse_set): New function.
11283         (DEFINE_set): New macro.
11284         (General_options::wrap): Changed to use DEFINE_set. Changed
11285         callers of any_wrap_symbols and is_wrap_symbol.
11286         (General_options::trace, General_options::trace_symbol):
11287         New options.
11288         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11289         (General_options::wrap_symbols_): Deleted.
11290         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11291
11292 2008-04-17  David S. Miller  <davem@davemloft.net>
11293
11294         * options.cc (General_options::parse_V): New function.
11295         * options.h: Add entries for -V and -Qy.
11296
11297 2008-04-17  Ian Lance Taylor  <iant@google.com>
11298
11299         * common.cc (Symbol_table::allocate_commons): Remove options
11300         parameter.  Change caller.
11301         (Symbol_table::do_allocate_commons): Remove options parameter.
11302         Change caller.  Just call do_allocate_commons_list twice.
11303         (Symbol_table::do_allocate_commons_list): New function, broken out
11304         of do_allocate_commons.
11305         * common.h (class Allocate_commons_task): Remove options_ field.
11306         Update constructor.
11307         * symtab.cc (Symbol_table::Symbol_table): Initialize
11308         tls_commons_.
11309         (Symbol_table::add_from_object): Put TLS common symbols on
11310         tls_commons_ list.
11311         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11312         which are IN_OUTPUT_DATA.
11313         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11314         allocate_commons and do_allocate_commons declarations.  Declare
11315         do_allocate_commons_list.
11316         * gold.cc (queue_middle_tasks): Update creation of
11317         Allocate_commons_task to not pass options.
11318         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11319         (TLS_TEST_C_FLAGS): New variable.
11320         (tls_test_c_pic.o): New target.
11321         (tls_test_shared.so): Link in tls_test_c_pic.o.
11322         (tls_test_c_pic_ie.o): New target.
11323         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11324         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11325         (tls_test_c.o): New target.
11326         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11327         (tls_pic_test_LDADD): Likewise.
11328         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11329         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11330         (tls_test_c_gnu2.o): New target.
11331         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11332         tls_test_c_gnu2.o.
11333         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11334         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11335         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11336         * testsuite/tls_test.cc: Include "config.h".
11337         (t_last): Call t11_last.
11338         * testsuite/tls_test.h (t11, t11_last): Declare.
11339         * testsuite/tls_test_c.c: New file.
11340         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11341         * configure.ac: Check for OpenMP support.
11342         * configure, config.in, Makefile.in: Rebuild.
11343         * testsuite/Makefile.in: Rebuild.
11344
11345 2008-04-16  Cary Coutant  <ccoutant@google.com>
11346
11347         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11348         (Target_i386::tls_base_symbol_defined_): New field.
11349         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11350         (Target_i386::Scan::global): Likewise.
11351         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11352         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11353         (Target_x86_64::tls_base_symbol_defined_): New field.
11354         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11355         (Target_x86_64::Scan::global): Likewise.
11356
11357 2008-04-16  Cary Coutant  <ccoutant@google.com>
11358
11359         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11360         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11361         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11362         building shared libraries.
11363         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11364         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11365         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11366         * testsuite/Makefile.in: Rebuild.
11367         * testsuite/weak_undef.h: New file.
11368         * testsuite/weak_undef_file1.cc: Add extra test cases.
11369         * testsuite/weak_undef_file2.cc: Likewise.
11370         * testsuite/weak_undef_test.cc: Likewise.
11371
11372 2008-04-16  David S. Miller  <davem@davemloft.net>
11373
11374         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11375         Add issued_non_pic_error_ field.  Declare check_non_pic.
11376         (Target_sparc::Scan::check_non_pic): New function.
11377         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11378         (Target_sparc::Scan::global): Likewise.
11379
11380         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11381         * configure: Rebuild.
11382
11383         * options.h (DEFINE_enable): New macro.
11384         (new_dtags): New enable option.
11385         (initfirst, interpose, loadfltr, nodefaultlib,
11386         nodelete, nodlopen, nodump): New -z options.
11387         * layout.cc (Layout:finish_dynamic_section): If new
11388         dtags enabled, emit DT_RUNPATH.  Also, emit a
11389         DT_FLAGS_1 containing any specified -z flags.
11390
11391 2008-04-16  Ian Lance Taylor  <iant@google.com>
11392
11393         * copy-relocs.cc: New file.
11394         * copy-relocs.h: New file.
11395         * reloc.cc: Remove Copy_relocs code.
11396         * reloc.h: Likewise.
11397         * reloc-types.h (struct Reloc_types) [both versions]: Add
11398         get_reloc_addend_noerror.
11399         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11400         variants of add_global which take an addend which must be zero.
11401         * i386.cc: Include "copy-relocs.h".
11402         (class Target_i386): Change type of copy_relocs_ to variable,
11403         update initializer.
11404         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11405         Change all callers.
11406         (Target_i386::do_finalize_sections): Change handling of
11407         copy_relocs_.
11408         * sparc.cc: Include "copy-relocs.h".
11409         (class Target_sparc): Change type of copy_relocs_ to variable,
11410         update initializer.
11411         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11412         Change all callers.
11413         (Target_sparc::do_finalize_sections): Change handling of
11414         copy_relocs_.
11415         * x86_64.cc: Include "copy-relocs.h".
11416         (class Target_x86_64): Change type of copy_relocs_ to variable,
11417         update initializer.
11418         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11419         class.  Change all callers.
11420         (Target_x86_64::do_finalize_sections): Change handling of
11421         copy_relocs_.
11422         * Makefile.am (CCFILES): Add copy-relocs.cc.
11423         (HFILES): Add copy-relocs.h.
11424
11425         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11426
11427         * testsuite/script_test_4.sh: Permit leading zeroes.
11428
11429 2008-04-15  Ian Lance Taylor  <iant@google.com>
11430
11431         * script-sections.cc (Script_sections::create_segments): Use
11432         header_size_adjustment even when there is enough room for the
11433         headers.
11434         * testsuite/script_test_4.sh: New file.
11435         * testsuite/script_test_4.t: New file.
11436         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11437         (check_DATA): Add script_test_4.stdout.
11438         (MOSTLYCLEANFILES): Likewise.
11439         (script_test_4): New target.
11440         (script_test_4.stdout): New target.
11441         * testsuite/Makefile.in: Rebuild.
11442
11443         * sparc.cc: Add definitions for Output_data_plt_sparc class
11444         constants.
11445
11446 2008-04-14  David S. Miller  <davem@davemloft.net>
11447
11448         * sparc.cc: New file.
11449         * Makefile.am (TARGETSOURCES): Add sparc.cc
11450         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11451         * configure.tgt: Document targ_extra_size and
11452         targ_extra_big_endian.  Add entries for sparc-* and
11453         sparc64-*.
11454         * configure.ac: Handle targ_extra_size and
11455         targ_extra_big_endian.
11456         * Makefile.in: Rebuild.
11457         * configure: Likewise.
11458         * po/POTFILES.in: Likewise.
11459         * po/gold.pot: Likewise.
11460
11461 2008-04-14  Ian Lance Taylor  <iant@google.com>
11462
11463         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11464         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11465         in the name/type/flags to section mapping.  Don't call
11466         allocate_output_section.
11467         (Layout::choose_output_section): Change parameter from adjust_name
11468         to is_input_section.  Don't permit input sections after sections
11469         are attached to segments.  Don't call allocate_output_section.
11470         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11471         not write_enable_output_section.
11472         (Layout::make_output_section): Don't push to
11473         unattached_section_list_ nor call attach_to_segment.  Call
11474         attach_section_to_segment if sections are attached.
11475         (Layout::attach_sections_to_segments): New function.
11476         (Layout::attach_section_to_segment): New function.
11477         (Layout::attach_allocated_section_to_segment): Rename from
11478         attach_to_segment.  Remove flags parameter.
11479         (Layout::allocate_output_section): Remove function.
11480         (Layout::write_enable_output_section): Remove function.
11481         * layout.h (class Layout): Update for above changes.  Add new
11482         field sections_are_attached_.
11483         * output.h (Output_section::update_flags_for_input_section): New
11484         function.
11485         * output.cc (Output_section::add_input_section): Call
11486         update_flags_for_input_section.
11487         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11488
11489 2008-04-11  Cary Coutant  <ccoutant@google.com>
11490
11491         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11492         thought unnecessary.
11493         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11494
11495 2008-04-11  Ian Lance Taylor  <iant@google.com>
11496
11497         * output.h (class Output_section_data): Remove inline definition
11498         of set_addralign.
11499         * output.cc (Output_section_data::set_addralign): New function.
11500
11501 2008-04-11  Cary Coutant  <ccoutant@google.com>
11502
11503         Add support for TLS descriptors for i386 and x86_64.
11504         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11505         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11506         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11507         GOT_TYPE_TLS_DESC.
11508         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11509         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11510         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11511         relocations.
11512         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11513         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11514         Fix problem with initial-exec relocations.
11515         (Target_i386::Relocate::relocate_tls): Likewise.
11516         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11517         relaxation.
11518         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11519         support for section-plus-offset dynamic table entries.
11520         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11521         (Output_data_dynamic::Dynamic_entry): Add support for
11522         section-plus-offset dynamic table entries.
11523         (Output_data_dynamic::Classification): Likewise.
11524         (Output_data_dynamic::classification_): Renamed offset_.
11525         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11526         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11527         (Target_x86_64::make_plt_section): New function.
11528         (Target_x86_64::reserve_tlsdesc_entries): New function.
11529         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11530         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11531         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11532         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11533         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11534         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11535         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11536         add extra PLT entry for TLS descriptors.
11537         (Output_data_plt_x86_64::got_): New field.
11538         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11539         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11540         fields.
11541         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11542         descriptors.
11543         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11544         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11545         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11546         R_386_TLS_DESC_CALL relocations.
11547         (Target_x86_64::Scan::global): Likewise.
11548         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11549         for TLS descriptors.
11550         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11551         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11552         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11553         GD-to-IE relaxation.
11554         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11555         and TLS_DESCRIPTORS.
11556         * Makefile.in: Rebuild.
11557         * configure: Rebuild.
11558         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11559         (tls_test_shared2.so): New target.
11560         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11561         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11562         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11563         (tls_shared_gd_to_ie_test_LDADD): New variable.
11564         (tls_shared_gnu2_gd_to_ie_test): New target.
11565         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11566         New targets.
11567         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11568         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11569         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11570         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11571         (tls_shared_gnu2_test): New target.
11572         (tls_test_gnu2_shared.so): New target.
11573         (tls_shared_gnu2_test_SOURCES): New variable.
11574         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11575         (tls_shared_gnu2_test_LDFLAGS): New variable.
11576         (tls_shared_gnu2_test_LDADD): New variable.
11577         * testsuite/Makefile.in: Rebuild.
11578         * testsuite/Makefile.
11579
11580 2008-04-11  Ian Lance Taylor  <iant@google.com>
11581
11582         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11583         justsyms.t.
11584         * testsuite/Makefile.in: Rebuild.
11585
11586         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11587         long.
11588         * testsuite/script_test_2.cc (main): Adjust test.
11589
11590 2008-04-11  David S. Miller  <davem@davemloft.net>
11591             Ian Lance Taylor  <iant@google.com>
11592
11593         * options.h (General_options): Add entries for '-Y' and
11594         '-relax'.
11595         * options.cc (General_options:finalize): If -Y was used, add those
11596         entries to the library path instead of the default "/lib" and
11597         "/usr/lib".
11598
11599 2008-04-11  David S. Miller  <davem@davemloft.net>
11600
11601         * testsuite/justsyms.t: Start at 0x100.
11602         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11603         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11604         long.
11605         * testsuite/script_test_2.cc: Adjust string and section length
11606         checks.
11607
11608 2008-04-09  Ian Lance Taylor  <iant@google.com>
11609
11610         PR gold/5996
11611         * script-sections.cc (Sections_element::allocate_to_segment): Add
11612         orphan parameter.
11613         (Output_section_definition::allocate_to_segment): Likewise.
11614         (Orphan_output_section::allocate_to_segment): Likewise.
11615         (Script_sections::attach_sections_using_phdrs_clause): Don't
11616         propagate non-PT_LOAD segments to orphan sections.
11617         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11618         readelf rather than objdump.
11619         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11620         .interp section and PT_INTERP segment are the same size.
11621         * testsuite/Makefile.in: Rebuild.
11622
11623         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11624         aliases for symbols defined in the same object.
11625         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11626         (weak_alias_test_SOURCES): New variable.
11627         (weak_alias_test_DEPENDENCIES): New variable.
11628         (weak_alias_test_LDFLAGS): New variable.
11629         (weak_alias_test_LDADD): New variable.
11630         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11631         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11632         (weak_alias_test_3.o): New target.
11633         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11634         * testsuite/weak_alias_test_main.cc: New file.
11635         * testsuite/weak_alias_test_1.cc: New file.
11636         * testsuite/weak_alias_test_2.cc: New file.
11637         * testsuite/weak_alias_test_3.cc: New file.
11638
11639 2008-04-08  Ian Lance Taylor  <iant@google.com>
11640
11641         * options.h (class General_options): Add --noinhibit-exec option.
11642         * main.cc (main): Check --noinhibit-exec.
11643
11644         * options.h (class General_options): Define --wrap as a special
11645         option.  Add wrap_symbols_ field.
11646         (General_options::any_wrap_symbols): New function.
11647         (General_options::is_wrap_symbol): New function.
11648         * options.cc (General_options::parse_wrap): New function.
11649         (General_options::General_options): Initialize wrap_symbols_.
11650         * symtab.cc (Symbol_table::wrap_symbol): New function.
11651         (Symbol_table::add_from_object): Handle --wrap.
11652         * symtab.h (class Symbol_table): Declare wrap_symbol.
11653         * target.h (Target::wrap_char): New function.
11654         (Target::Target_info): Add wrap_char field.
11655         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11656         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11657         * testsuite/testfile.cc (Target_test::test_target_info):
11658         Likewise.
11659
11660         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11661         there is one.
11662
11663         * layout.h (class Layout): Add added_eh_frame_data_ field.
11664         * layout.cc (Layout::Layout): Initialize new field.
11665         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11666         output section until we find a section we merged successfully.
11667         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11668         that the size be non-zero.
11669
11670         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11671         qualifier.
11672
11673 2008-04-08  Craig Silverstein  <csilvers@google.com>
11674
11675         * configure.ac: Export new conditional variable HAVE_ZLIB.
11676         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11677         on HAVE_ZLIB.
11678         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11679         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11680
11681 2008-04-07  Ian Lance Taylor  <iant@google.com>
11682
11683         * version.cc (version_string): Set to "1.5".
11684
11685         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11686         Add issued_non_pic_error_ field.  Declare check_non_pic.
11687         (Target_x86_64::Scan::check_non_pic): New function.
11688         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11689         (Target_x86_64::Scan::global): Likewise.
11690
11691         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11692         addend parameter.  Change caller.  Handle merge sections.
11693         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11694         Address to Addend.  Don't add in the result of
11695         local_section_offset, pass down the addend and use the returned
11696         value.
11697         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11698         Update declarations of local_section_offset and symbol_value.
11699         * testsuite/two_file_test_1.cc (t18): New function.
11700         * testsuite/two_file_test_2.cc (f18): New function.
11701         * testsuite/two_file_test_main.cc (main): Call t18.
11702         * testsuite/two_file_test.h (t18, f18): Declare.
11703
11704         * configure.ac: Don't test for objdump, c++filt, or readelf.
11705         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11706         conditionals.
11707         (TEST_READELF): New variable.
11708         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11709         (check_PROGRAMS): Add two_file_strip_test.
11710         (two_file_strip_test): New target.
11711         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11712         (two_file_same_shared_strip_test_SOURCES): New variable.
11713         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11714         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11715         (two_file_same_shared_strip_test_LDADD): New variable.
11716         (two_file_shared_strip.so): New target.
11717         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11718         (ver_test_5.syms, ver_test_7.syms): Likewise.
11719         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11720         (strip_test_3.stdout): Use TEST_OBJDUMP.
11721         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11722
11723 2008-04-04  Cary Coutant  <ccoutant@google.com>
11724
11725         * symtab.h (Symbol::is_weak_undefined): New function.
11726         (Symbol::is_strong_undefined): New function.
11727         (Symbol::is_absolute): New function.
11728         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11729         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11730         absolute symbols.
11731         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11732         (weak_undef_test): New target.
11733         * testsuite/Makefile.in: Rebuild.
11734         * testsuite/weak_undef_file1.cc: New file.
11735         * testsuite/weak_undef_file2.cc: New file.
11736         * testsuite/weak_undef_test.cc: New file.
11737
11738 2008-04-03  Craig Silverstein  <csilvers@google.com>
11739
11740         * compressed_output.h (class Output_compressed_section): Use
11741         unsigned buffer.
11742         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11743         add zlib header.
11744         (zlib_compressed_suffix): Removed.
11745         (Output_compressed_section::set_final_data_size): Use unsigned
11746         buffers.
11747         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11748         Fix linker invocation.
11749         (flagstest_o_specialfile_and_compress_debug_sections):
11750         Likewise.
11751         * testsuite/Makefile.in: Regenerated.
11752
11753 2008-04-02  David S. Miller  <davem@davemloft.net>
11754
11755         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11756         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11757
11758 2008-04-02  Craig Silverstein  <csilvers@google.com>
11759
11760         * TODO: New file.
11761
11762 2008-04-02  Ian Lance Taylor  <iant@google.com>
11763
11764         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11765         parameters.  Update for new key type to views_.  Change all
11766         callers.
11767         (File_read::read): Adjust for byteshift in returned view.
11768         (File_read::add_view): New function, broken out of
11769         find_and_make_view.
11770         (File_read::make_view): New function, broken out of
11771         find_and_make_view.
11772         (File_read::find_or_make_view): Add offset and aligned
11773         parameters.  Rewrite accordingly.  Change all callers.
11774         (File_read::get_view): Add offset and aligned parameters.  Adjust
11775         for byteshift in return value.
11776         (File_read::get_lasting_view): Likewise.
11777         * fileread.h (class File_read): Update declarations.
11778         (class File_read::View): Add byteshift_ field.  Add byteshift to
11779         constructor.  Add byteshift method.
11780         * archive.h (Archive::clear_uncached_views): New function.
11781         (Archive::get_view): Add aligned parameter.  Change all callers.
11782         * object.h (Object::get_view): Add aligned parameter.  Change all
11783         callers.
11784         (Object::get_lasting_view): Likewise.
11785
11786         * fileread.cc (File_read::release): Don't call clear_views if
11787         there are multiple objects.
11788         * fileread.h (File_read::clear_uncached_views): New function.
11789         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11790         on the archive.
11791
11792 2008-03-31  Cary Coutant  <ccoutant@google.com>
11793
11794         Add thin archive support.
11795         * archive.cc (Archive::armagt): New const.
11796         (Archive::setup): Remove task parameter and calls to unlock.
11797         (Archive::unlock_nested_archives): New function.
11798         (Archive::read_header): Add nested_off parameter. Change
11799         all callers.
11800         (Archive::interpret_header): Likewise.
11801         (Archive::include_all_members): Change to handle thin
11802         archives.
11803         (Archive::include_member): Likewise.
11804         * archive.h (Archive::Archive): Add new parameters and
11805         initializers.
11806         (Archive::armagt): New const.
11807         (Archive::setup): Remove task parameter.
11808         (Archive::unlock_nested_archives): New function.
11809         (Archive::read_header): Add nested_off parameter.
11810         (Archive::interpret_header): Likewise.
11811         (Archive::Nested_archive_table): New typedef.
11812         (Archive::is_thin_archive_): New field.
11813         (Archive::nested_archives_): New field.
11814         (Archive::options_): New field.
11815         (Archive::dirpath_): New field.
11816         (Archive::task_): New field.
11817         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11818         for thin archives.  Pass additional parameters to
11819         Archive::Archive.  Unlock the archive file after calling
11820         Archive::setup.
11821
11822 2008-03-29  Ian Lance Taylor  <iant@google.com>
11823
11824         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11825         version symbol to be local.
11826         * testsuite/ver_test_4.sh: New file.
11827         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11828         (check_DATA): Add ver_test_4.syms.
11829         (ver_test_4.syms): New target.
11830         * testsuite/Makefile.in: Rebuild.
11831
11832         * output.cc
11833         (Output_section::Input_section_sort_entry::has_priority): New
11834         function.
11835         (Output_section::Input_section_sort_entry::match_file_name): New
11836         function.
11837         (Output_section::Input_section_sort_entry::match_section_name):
11838         Remove.
11839         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11840         Remove.
11841         (Output_section::Input_section_sort_entry::match_section_file):
11842         Remove.
11843         (Output_section::Input_section_sort_compare::operator()): Rewrite
11844         using new Input_section_sort_entry functions.  Sort crtbegin and
11845         crtend first.  Sort sections with no priority before sections with
11846         a priority.
11847         * testsuite/initpri1.c (d3): Check j != 4.
11848         (cd5): New constructor/destructor function.
11849         (main): Check j != 2.
11850
11851         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11852         new symbol when resolving, don't call set_is_default.
11853         * testsuite/ver_test_7.cc: New file.
11854         * testsuite/ver_test_7.sh: New file.
11855         * testsuite/Makefile.am (ver_test_7.so): New target.
11856         (ver_test_7.o): New target.
11857         (check_SCRIPTS): Add ver_test_7.sh.
11858         (check_DATA): Add ver_test_7.syms.
11859         (ver_test_7.syms): New target.
11860
11861 2008-03-28  Ian Lance Taylor  <iant@google.com>
11862
11863         * layout.cc (Layout::layout): If we see an input section with a
11864         name that needs sorting, set the must_sort flag for the output
11865         section.
11866         (Layout::make_output_section): If the name of the output section
11867         indicates that it might require sorting, set the may_sort flag.
11868         * output.h (Output_section::may_sort_attached_input_sections): New
11869         function.
11870         (Output_section::set_may_sort_attached_input_sections): New
11871         function.
11872         (Output_section::must_sort_attached_input_sections): New
11873         function.
11874         (Output_section::set_must_sort_attached_input_sections): New
11875         function.
11876         (class Output_section): Declare Input_section_sort_entry.  Define
11877         Input_section_sort_compare.  Declare
11878         sort_attached_input_sections.  Add new fields:
11879         may_sort_attached_input_sections_,
11880         must_sort_attached_input_sections_,
11881         attached_input_sections_are_sorted_.
11882         * output.cc (Output_section::Output_section): Initialize new
11883         fields.
11884         (Output_section::add_input_section): Add an entry to
11885         input_sections_ if may_sort or must_sort are true.
11886         (Output_section::set_final_data_size): Call
11887         sort_attached_input_sections if necessary.
11888         (Output_section::Input_section_sort_entry): Define new class.
11889         (Output_section::Input_section_sort_compare::operator()): New
11890         function.
11891         (Output_section::sort_attached_input_sections): New function.
11892         * configure.ac: Check whether the compiler supports constructor
11893         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11894         * testsuite/initpri1.c: New file.
11895         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11896         CONSTRUCTOR_PRIORITY.
11897         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11898         (initpri1_LDFLAGS): New variable.
11899         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11900
11901 2008-03-27  Ian Lance Taylor  <iant@google.com>
11902
11903         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11904         * testsuite/common_test_1.c: New file.
11905         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11906         (common_test_1_SOURCES): New variable.
11907         (common_test_1_DEPENDENCIES): New variable.
11908         (common_test_1_LDFLAGS): New variable.
11909
11910         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11911         and commons_ correctly when NAME/VERSION does not override
11912         NAME/NULL.
11913         * testsuite/ver_test_6.c: New file.
11914         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11915         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11916         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11917
11918 2008-03-26  Ian Lance Taylor  <iant@google.com>
11919
11920         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11921         of an undefined symbol from a version script.
11922         * testsuite/Makefile.am (ver_test_5.so): New target.
11923         (ver_test_5.o): New target.
11924         (check_SCRIPTS): Add ver_test_5.sh.
11925         (check_DATA): Add ver_test_5.syms.
11926         (ver_test_5.syms): New target.
11927         * testsuite/ver_test_5.cc: New file.
11928         * testsuite/ver_test_5.script: New file.
11929         * testsuite/ver_test_5.sh: New file.
11930         * Makefile.in, testsuite/Makefile.in: Rebuild.
11931
11932         PR gold/5986
11933         Fix problems building gold with gcc 4.3.0.
11934         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11935         (gold_error_at_location, gold_warning_at_location): Use it.
11936         * configure.ac: Check whether we can compile and use a template
11937         function with a printf attribute.
11938         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11939         when jumping over bytes.
11940         * object.cc: Instantiate Object::read_section_data.
11941         * debug.h: Include <cstring>
11942         * dwarf_reader.cc: Include <algorithm>
11943         * main.cc: Include <cstring>.
11944         * options.cc: Include <cstring>.
11945         * output.cc: Include <cstring>.
11946         * script.cc: Include <cstring>.
11947         * script.h: Include <string>.
11948         * symtab.cc: Include <cstring> and <algorithm>.
11949         * target-select.cc: Include <cstring>.
11950         * version.cc: Include <string>.
11951         * testsuite/testmain.cc: Include <cstdlib>.
11952         * configure, config.in: Rebuild.
11953
11954 2008-03-25  Ian Lance Taylor  <iant@google.com>
11955
11956         * options.cc: Include "../bfd/bfdver.h".
11957         (options::help): Print bug reporting address.
11958
11959         * version.cc (print_version): Adjust output for current value of
11960         BFD_VERSION_STRING.
11961
11962         * NEWS: New file.
11963
11964         * options.cc (options::help): Print list of supported targets.
11965         * target-select.h: Include <vector>.
11966         (class Target_selector): Make machine_, size_, and is_big_endian_
11967         fields const.  Add bfd_name_ and instantiated_target_ fields.
11968         (Target_selector::Target_selector): Add bfd_name parameter.
11969         (Target_selector::recognize): Make non-virtual, call
11970         do_recognize.
11971         (Target_selector::recognize_by_name): Make non-virtual, call
11972         do_recognize_by_name.
11973         (Target_selector::supported_names): New function.
11974         (Target_selector::bfd_name): New function.
11975         (Target_selector::do_instantiate_target): New pure virtual
11976         function.
11977         (Target_selector::do_recognize): New virtual function.
11978         (Target_selector::do_recognize_by_name): New virtual function.
11979         (Target_selector::instantiate_target): New private function.
11980         (supported_target_names): Declare.
11981         * target-select.cc (Target_selector::Target_selector): Update for
11982         new parameter and fields.
11983         (select_target_by_name): Check that the name matches before
11984         calling recognize_by_name.
11985         (supported_target_names): New function.
11986         * i386.cc (class Target_selector_i386): Update Target_selector
11987         constructor call.  Remove recognize and recognize_by_name.  Add
11988         do_instantiate_target.
11989         * x86_64.cc (class Target_selector_x86_64): Likewise.
11990         * testsuite/testfile.cc (class Target_selector_test): Update for
11991         changes to Target_selector.
11992
11993         * README: Rewrite, with some notes on unsupported features.
11994
11995 2008-03-24  Cary Coutant  <ccoutant@google.com>
11996
11997         * i386.cc (Target_i386::Got_type): New enum declaration.
11998         (Target_i386::Scan::local): Updated callers of Output_data_got
11999         member functions.
12000         (Target_i386::Scan::global): Likewise.
12001         (Target_i386::Relocate::relocate): Likewise.
12002         (Target_i386::Relocate::relocate_tls): Likewise.
12003         * object.h (Got_offset_list): New class.
12004         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12005         (Sized_relobj::local_got_offset): Likewise.
12006         (Sized_relobj::set_local_got_offset): Likewise.
12007         (Sized_relobj::local_has_tls_got_offset): Removed.
12008         (Sized_relobj::local_tls_got_offset): Removed.
12009         (Sized_relobj::set_local_tls_got_offset): Removed.
12010         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12011         * output.cc (Output_data_got::add_global): Added got_type parameter.
12012         (Output_data_got::add_global_with_rel): Likewise.
12013         (Output_data_got::add_global_with_rela): Likewise.
12014         (Output_data_got::add_global_pair_with_rel): New function.
12015         (Output_data_got::add_global_pair_with_rela): New function.
12016         (Output_data_got::add_local): Added got_type parameter.
12017         (Output_data_got::add_local_with_rel): Likewise.
12018         (Output_data_got::add_local_with_rela): Likewise.
12019         (Output_data_got::add_local_pair_with_rel): New function.
12020         (Output_data_got::add_local_pair_with_rela): New function.
12021         (Output_data_got::add_global_tls): Removed.
12022         (Output_data_got::add_global_tls_with_rel): Removed.
12023         (Output_data_got::add_global_tls_with_rela): Removed.
12024         (Output_data_got::add_local_tls): Removed.
12025         (Output_data_got::add_local_tls_with_rel): Removed.
12026         (Output_data_got::add_local_tls_with_rela): Removed.
12027         * output.h (Output_data_got::add_global): Added got_type parameter.
12028         (Output_data_got::add_global_with_rel): Likewise.
12029         (Output_data_got::add_global_with_rela): Likewise.
12030         (Output_data_got::add_global_pair_with_rel): New function.
12031         (Output_data_got::add_global_pair_with_rela): New function.
12032         (Output_data_got::add_local): Added got_type parameter.
12033         (Output_data_got::add_local_with_rel): Likewise.
12034         (Output_data_got::add_local_with_rela): Likewise.
12035         (Output_data_got::add_local_pair_with_rel): New function.
12036         (Output_data_got::add_local_pair_with_rela): New function.
12037         (Output_data_got::add_global_tls): Removed.
12038         (Output_data_got::add_global_tls_with_rel): Removed.
12039         (Output_data_got::add_global_tls_with_rela): Removed.
12040         (Output_data_got::add_local_tls): Removed.
12041         (Output_data_got::add_local_tls_with_rel): Removed.
12042         (Output_data_got::add_local_tls_with_rela): Removed.
12043         * resolve.cc (Symbol::override_base_with_special): Removed
12044         reference to has_got_offset_ field.
12045         * symtab.cc (Symbol::init_fields): Replaced initialization
12046         of got_offset_ with got_offsets_.  Removed initialization
12047         of has_got_offset_
12048         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12049         (Symbol::got_offset): Likewise.
12050         (Symbol::set_got_offset): Likewise.
12051         (Symbol::has_tls_got_offset): Removed.
12052         (Symbol::tls_got_offset): Removed.
12053         (Symbol::set_tls_got_offset): Removed.
12054         (Symbol::got_offset_): Removed.
12055         (Symbol::tls_mod_got_offset_): Removed.
12056         (Symbol::tls_pair_got_offset_): Removed.
12057         (Symbol::got_offsets_): New field.
12058         (Symbol::has_got_offset): Removed.
12059         (Symbol::has_tls_mod_got_offset): Removed.
12060         (Symbol::has_tls_pair_got_offset): Removed.
12061         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12062         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12063         member functions.
12064         (Target_x86_64::Scan::global): Likewise.
12065         (Target_x86_64::Relocate::relocate): Likewise.
12066         (Target_x86_64::Relocate::relocate_tls): Likewise.
12067
12068 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12069
12070         * yyscript.y: Fix spelling error in comment.
12071
12072 2008-03-24  Ian Lance Taylor  <iant@google.com>
12073
12074         * options.h (class General_options): Define build_id option.
12075         * layout.h (class Layout): Declare write_build_id, create_note,
12076         create_build_id.  Add build_id_note_ member.
12077         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12078         "libiberty.h", "md5.h", "sha1.h".
12079         (Layout::Layout): Initialize eh_frame_data_,
12080         eh_frame_hdr_section_, and build_id_note_.
12081         (Layout::finalize): Call create_build_id.
12082         (Layout::create_note): New function, broken out of
12083         Layout::create_gold_note.
12084         (Layout::create_gold_note): Call create_note.
12085         (Layout::create_build_id): New function.
12086         (Layout::write_build_id): New function.
12087         (Close_task_runner::run): Call write_build_id.
12088
12089         * x86_64.cc: Correct license to GPLv3.
12090
12091 2008-03-23  Ian Lance Taylor  <iant@google.com>
12092
12093         * options.cc: Include "demangle.h".
12094         (parse_optional_string): New function.
12095         (parse_long_option): Handle takes_optional_argument.
12096         (parse_short_option): Update dash_z initializer.  Handle
12097         takes_optional_argument.
12098         (General_options::General_options): Initialize do_demangle_.
12099         (General_options::finalize): Set do_demangle_.  Handle demangling
12100         style.
12101         * options.h (parse_optional_string): Declare.
12102         (struct One_option): Add optional_arg field.  Update constructor.
12103         Update call constructor calls.  Add takes_optional_argument
12104         function.
12105         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12106         (DEFINE_optional_string): Define.
12107         (General_options::demangle): Change from DEFINE_bool to
12108         DEFINE_optional_string.
12109         (General_options::no_demangle): New function.
12110         (General_options::do_demangle): New function.
12111         (General_options::set_do_demangle): New function.
12112         (General_options::execstack_status_): Move definition to end of
12113         class definition.
12114         (General_options::static_): Likewise.
12115         (General_options::do_demangle_): New field.
12116         * object.cc (big_endian>::get_symbol_location_info): Call
12117         Options::do_demangle, not Options::demangle.
12118         * symtab.cc (demangle): Likewise.
12119
12120 2008-03-22  Ian Lance Taylor  <iant@google.com>
12121
12122         * gold.h: Include <cstddef> and <sys/types.h>
12123         * options.h: Include <cstring>.
12124
12125 2008-03-21  Ian Lance Taylor  <iant@google.com>
12126
12127         * Added source code to GNU binutils.