gold/ChangeLog

   1 2011-08-29  Cary Coutant  <ccoutant@google.com>
   2
   3         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
   4         casts to match formatting specs.
   5         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
   6
   7 2011-08-26  Cary Coutant  <ccoutant@google.com>
   8
   9         * layout.cc (Free_list::allocate): Provide guarantee of minimum
  10         remaining hole size when allocating.
  11         (Layout::make_output_section): Set fill methods for debug sections.
  12         * layout.h (Free_list::Free_list_node): Move from private to
  13         public.
  14         (Free_list::set_min_hole_size): New function.
  15         (Free_list::begin, Free_list::end): New functions.
  16         (Free_list::min_hole_): New data member.
  17         * output.cc: Include dwarf.h.
  18         (Output_fill_debug_info::do_minimum_hole_size): New function.
  19         (Output_fill_debug_info::do_write): New function.
  20         (Output_fill_debug_line::do_minimum_hole_size): New function.
  21         (Output_fill_debug_line::do_write): New function.
  22         (Output_section::Output_section): Initialize new data member.
  23         (Output_section::set_final_data_size): Ensure patch space is larger
  24         than minimum hole size.
  25         (Output_section::do_write): Fill holes in debug sections.
  26         * output.h (Output_fill): New class.
  27         (Output_fill_debug_info): New class.
  28         (Output_fill_debug_line): New class.
  29         (Output_section::set_free_space_fill): New function.
  30         (Output_section::free_space_fill_): New data member.
  31         * testsuite/Makefile.am (incremental_test_3): Add
  32         --incremental-patch option.
  33         (incremental_test_4): Likewise.
  34         (incremental_test_5): Likewise.
  35         (incremental_test_6): Likewise.
  36         (incremental_copy_test): Likewise.
  37         (incremental_common_test_1): Likewise.
  38         * testsuite/Makefile.in: Regenerate.
  39
  40 2011-08-26  Nick Clifton  <nickc@redhat.com>
  41
  42         * po/es.po: Updated Spanish translation.
  43
  44 2011-08-01  Cary Coutant  <ccoutant@google.com>
  45
  46         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
  47         * gold/testsuite/Makefile.in: Regenerate.
  48         * gold/testsuite/justsyms_exec.c: New source file.
  49         * gold/testsuite/justsyms_lib.c: New source file.
  50
  51 2011-08-01  Cary Coutant  <ccoutant@google.com>
  52
  53         * layout.cc (Layout::set_segment_offsets): Don't realign text
  54         segment if -Ttext was specified.
  55         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
  56         file type.
  57         * object.h (Sized_relobj_file::e_type): New function.
  58         (Sized_relobj_file::e_type_): New data member.
  59         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
  60         base address for ET_EXEC files.
  61         * target.cc (Target::do_make_elf_object_implementation): Allow
  62         ET_EXEC files with --just-symbols option.
  63
  64 2011-07-28  Cary Coutant  <ccoutant@google.com>
  65
  66         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
  67         Add thread_number parameter.
  68         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
  69         * workqueue-threads.cc
  70         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
  71         current thread if its thread number is greater than desired thread
  72         count.
  73         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
  74         Add thread_number parameter.
  75         (Workqueue::should_cancel_thread): Likewise.
  76         (Workqueue::find_runnable_or_wait): Pass thread_number to
  77         should_cancel_thread.
  78         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
  79         parameter.
  80
  81 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
  82
  83         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
  84         only after checking if it cannot be forced local.
  85         * symtab.h (is_externally_visible): Check if the symbol is not forced
  86         local.
  87
  88 2011-07-15  Ian Lance Taylor  <iant@google.com>
  89
  90         * options.h (class General_options): Add --print-output-format.
  91         Move -EL next to -EB, for  better --help output.
  92         * target-select.cc: Include <cstdio>, "options.h", and
  93         "parameters.h".
  94         (Target_selector::do_target_bfd_name): New function.
  95         (print_output_format): New function.
  96         * target-select.h (class Target_selector): Update declarations.
  97         (Target_selector::target_bfd_name): New function.
  98         (print_output_format): Declare.
  99         * main.cc: Include "target-select.h".
 100         (main): Handle --print-output-format.
 101         * gold.cc: Include "target-select.h".
 102         (queue_initial_tasks): Handle --print-output-format when there are
 103         no input files.
 104         * parameters.cc (parameters_force_valid_target): Give a better
 105         error message if -EB/-EL does not match target.
 106         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 107         function.
 108
 109 2011-07-15  Ian Lance Taylor  <iant@google.com>
 110
 111         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 112         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 113         (Output_data_plt_i386::do_write): Write address of .dynamic
 114         section to first entry in .got.plt section.
 115         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 116         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 117         Initialize layout_.
 118         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 119         section to first entry in .got.plt section.
 120         * layout.h (Layout::dynamic_section): New function.
 121
 122 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 123
 124         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 125         to claim_file call.
 126         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 127         input_section_position_, and input_section_glob_.
 128         (read_layout_from_file): Call function section_ordering_specified.
 129         * layout.h (is_section_ordering_specified): New function.
 130         (section_ordering_specified): New function.
 131         (section_ordering_specified_): New boolean member.
 132         * main.cc(main): Call load_plugins after layout object is defined.
 133         * output.cc (Output_section::add_input_section): Use
 134         function section_ordering_specified to check if section ordering is
 135         needed.
 136         * output.cc (Output_section::add_relaxed_input_section): Use
 137         function section_ordering_specified to check if section ordering is
 138         needed.
 139         (Output_section::update_section_layout): New function.
 140         (Output_section::sort_attached_input_sections): Check if input section
 141         must be reordered.
 142         * output.h (Output_section::update_section_layout): New function.
 143         * plugin.cc (get_section_count): New function.
 144         (get_section_type): New function.
 145         (get_section_name): New function.
 146         (get_section_contents): New function.
 147         (update_section_order): New function.
 148         (allow_section_ordering): New function.
 149         (Plugin::load): Add the new interfaces to the transfer vector.
 150         (Plugin_manager::load_plugins): New parameter.
 151         (Plugin_manager::all_symbols_read): New parameter.
 152         (Plugin_manager::claim_file): New parameter. Save the elf object for
 153         unclaimed objects.
 154         (Plugin_manager::get_elf_object): New function.
 155         (Plugin_manager::get_view): Change to directly use the bool to check
 156         if get_view is called from claim_file_hook.
 157         * plugin.h (input_objects): New function
 158         (Plugin__manager::load_plugins): New parameter.
 159         (Plugin_manager::claim_file): New parameter.
 160         (Plugin_manager::get_elf_object): New function.
 161         (Plugin_manager::in_claim_file_handler): New function.
 162         (Plugin_manager::in_claim_file_handler_): New member.
 163         (layout): New function.
 164         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 165         handler with an extra parameter. Make the elf object before calling
 166         claim_file handler.
 167         * testsuite/plugin_test.c (get_section_count): New function pointer.
 168         (get_section_type): New function pointer.
 169         (get_section_name): New function pointer.
 170         (get_section_contents): New function pointer.
 171         (update_section_order): New function pointer.
 172         (allow_section_ordering): New function pointer.
 173         (onload): Check if the new interfaces exist.
 174
 175 2011-07-13  Ian Lance Taylor  <iant@google.com>
 176
 177         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 178         relro section.
 179         * x86_64.cc (Target_x86_64::got_section): Likewise.
 180         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 181         (relro_now_test_SOURCES): New variable.
 182         (relro_now_test_DEPENDENCIES): New variable.
 183         (relro_now_test_LDFLAGS): New variable.
 184         (relro_now_test_LDADD): New variable.
 185         (relro_now_test.so): New target.
 186         * testsuite/Makefile.in: Rebuild.
 187
 188 2011-07-12  Ian Lance Taylor  <iant@google.com>
 189
 190         PR gold/12980
 191         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 192         GLOB_DAT relocation rather than a RELATIVE relocation for a
 193         protected symbol when creating a shared library.
 194         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 195         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 196         * testsuite/protected_main_1.cc (main): Test that protected
 197         function has same address.
 198
 199 2011-07-11  Ian Lance Taylor  <iant@google.com>
 200
 201         PR gold/12979
 202         * options.h (class General_options): Add -Bgroup.
 203         * options.cc (General_options::finalize): If -Bgroup is set,
 204         default to --unresolved-symbols=report-all.
 205         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 206         * target-reloc.h (issue_undefined_symbol_error): Handle
 207         --unresolved-symbols=report-all.
 208
 209 2011-07-08  Ian Lance Taylor  <iant@google.com>
 210
 211         PR gold/11985
 212         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 213         if linker script discards key sections.
 214         (Layout::create_dynamic_symtab): Likewise.
 215         (Layout::assign_local_dynsym_offsets): Likewise.
 216         (Layout::sized_create_version_sections): Likewise.
 217         (Layout::create_interp): Likewise.
 218         (Layout::finish_dynamic_section): Likewise.
 219         (Layout::set_dynamic_symbol_size): Likewise.
 220
 221 2011-07-08  Ian Lance Taylor  <iant@google.com>
 222
 223         PR gold/12386
 224         * options.h (class General_options): Add --unresolved-symbols.
 225         * target-reloc.h (issue_undefined_symbol_error): Check
 226         --unresolved-symbols.  Add comments.
 227
 228 2011-07-08  Ian Lance Taylor  <iant@google.com>
 229
 230         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 231         expression more complex.
 232
 233 2011-07-08  Ian Lance Taylor  <iant@google.com>
 234
 235         PR gold/11317
 236         * target-reloc.h (issue_undefined_symbol_error): New inline
 237         function, broken out of relocate_section.
 238         (relocate_section): Call issue_undefined_symbol_error.
 239         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 240         there is no TLS segment if we are about to issue an undefined
 241         symbol error.
 242         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 243
 244 2011-07-08  Ian Lance Taylor  <iant@google.com>
 245
 246         PR gold/12279
 247         * resolve.cc (Symbol_table::should_override): Add fromtype
 248         parameter.  Change all callers.  Give error when linking together
 249         TLS and non-TLS symbol.
 250         (Symbol_table::should_override_with_special): Add fromtype
 251         parameter.  Change all callers.
 252         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 253         there is no TLS segment if we have reported some errors.
 254         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 255
 256 2011-07-08  Ian Lance Taylor  <iant@google.com>
 257
 258         PR gold/12372
 259         * target.h (Target::plt_address_for_global): New function.
 260         (Target::plt_address_for_local): New function.
 261         (Target::plt_section_for_global): Remove.
 262         (Target::plt_section_for_local): Remove.
 263         (Target::do_plt_address_for_global): New virtual function.
 264         (Target::do_plt_address_for_local): New virtual function.
 265         (Target::do_plt_section_for_global): Remove.
 266         (Target::do_plt_section_for_local): Remove.
 267         (Target::register_global_plt_entry): Add Symbol_table and Layout
 268         parameters.
 269         * output.cc (Output_data_got::Got_entry::write): Use
 270         plt_address_for_global and plt_address_for_local.
 271         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 272         address of output section.
 273         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 274         got_irelative_, and irelative_count_ fields.  Update
 275         declarations.
 276         (Output_data_plt_i386::has_irelative_section): New function.
 277         (Output_data_plt_i386::entry_count): Add irelative_count_.
 278         (Output_data_plt_i386::set_final_data_size): Likewise.
 279         (class Target_i386): Add got_irelative_ and rel_irelative_
 280         fields.  Update declarations.
 281         (Target_i386::Target_i386): Initialize new fields.
 282         (Target_i386::do_plt_address_for_global): New function replacing
 283         do_plt_section_for_global.
 284         (Target_i386::do_plt_address_for_local): New function replacing
 285         do_plt_section_for_local.
 286         (Target_i386::got_section): Create got_irelative_.
 287         (Target_i386::rel_irelative_section): New function.
 288         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 289         fields.  Don't define __rel_iplt_{start,end}.
 290         (Output_data_plt_i386::add_entry): Add symtab and layout
 291         parameters.  Change all callers.  Use different PLT and GOT for
 292         IFUNC symbols.
 293         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 294         layout parameters.  Change all callers.  Use different PLT and
 295         GOT.
 296         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 297         (Output_data_plt_i386::rel_irelative): New function.
 298         (Output_data_plt_i386::address_for_global): New function.
 299         (Output_data_plt_i386::address_for_local): New function.
 300         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 301         IRELATIVE GOT when changing IFUNC GOT entries.
 302         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 303         reloc.
 304         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 305         if we didn't create an IRELATIVE GOT.
 306         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 307         plt_address_for_local.
 308         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 309         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 310         got_irelative_, and irelative_count_ fields.  Update
 311         declarations.
 312         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 313         Initialize new fields.  Remove symtab parameter.  Change all
 314         callers.
 315         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 316         irelative_count_.
 317         (Output_data_plt_x86_64::has_irelative_section): New function.
 318         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 319         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 320         fields.  Update declarations.
 321         (Target_x86_64::Target_x86_64): Initialize new fields.
 322         (Target_x86_64::do_plt_address_for_global): New function replacing
 323         do_plt_section_for_global.
 324         (Target_x86_64::do_plt_address_for_local): New function replacing
 325         do_plt_section_for_local.
 326         (Target_x86_64::got_section): Create got_irelative_.
 327         (Target_x86_64::rela_irelative_section): New function.
 328         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 329         all callers.  Don't create __rel_iplt_{start,end}.
 330         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 331         parameters.  Change all callers.  Use different PLT and GOT for
 332         IFUNC symbols.
 333         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 334         layout parameters.  Change all callers.  Use different PLT and
 335         GOT.
 336         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 337         parameters.  Change all callers.  Use different PLT and GOT for
 338         IFUNC symbols.
 339         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 340         (Output_data_plt_x86_64::rela_irelative): New function.
 341         (Output_data_plt_x86_64::address_for_global): New function.
 342         (Output_data_plt_x86_64::address_for_local): New function.
 343         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 344         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 345         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 346         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 347         parameters.
 348         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 349         reloc.
 350         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 351         symbols if we didn't create an IRELATIVE GOT.
 352         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 353         plt_address_for_local.
 354         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 355         * testsuite/ifuncvar1.c: New test file.
 356         * testsuite/ifuncvar2.c: New test file.
 357         * testsuite/ifuncvar3.c: New test file.
 358         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 359         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 360         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 361         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 362         * testsuite/Makefile.in: Rebuild.
 363
 364 2011-07-07  Cary Coutant  <ccoutant@google.com>
 365
 366         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 367         (two_file_test_1_ndebug.o): Likewise.
 368         (two_file_test_1b_ndebug.o): Likewise.
 369         (two_file_test_2_ndebug.o): Likewise.
 370         (two_file_test_main_ndebug.o): Likewise.
 371         (incremental_test_2): Link with no-debug versions.
 372
 373 2011-07-06  Cary Coutant  <ccoutant@google.com>
 374
 375         * gold/incremental.cc
 376         (Output_section_incremental_inputs::write_info_blocks): Check for
 377         hidden and internal symbols.
 378
 379 2011-07-06  Cary Coutant  <ccoutant@google.com>
 380
 381         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 382         Check disposition for startup file.
 383         (Incremental_inputs::report_command_line): Ignore
 384         --incremental-startup-unchanged option.
 385         * options.cc (General_options::parse_incremental_startup_unchanged):
 386         New function.
 387         (General_options::General_options): Initialize new data member.
 388         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 389         (General_options): Add --incremental-startup-unchanged option.
 390         (General_options::incremental_startup_disposition): New function.
 391         (General_options::incremental_startup_disposition_): New data member.
 392
 393 2011-07-06  Cary Coutant  <ccoutant@google.com>
 394
 395         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 396         input file index to Script_info ctor.
 397         (Sized_incremental_binary::do_file_has_changed): Find the
 398         command-line argument for files named in scripts.
 399         * incremental.h (Script_info::Script_info): New ctor
 400         with input file index.
 401         (Script_info::input_file_index): New function.
 402         (Script_info::input_file_index_): New data member.
 403         (Incremental_binary::get_library): Add const.
 404         (Incremental_binary::get_script_info): Add const.
 405         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 406         * testsuite/Makefile.am (incremental_test_5): New test case.
 407         (incremental_test_6): New test case.
 408         * testsuite/Makefile.in: Regenerate.
 409
 410 2011-07-06  Cary Coutant  <ccoutant@google.com>
 411
 412         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 413         debug output when command lines differ.
 414
 415 2011-07-06  Cary Coutant  <ccoutant@google.com>
 416
 417         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 418         --incremental-patch option.
 419         * layout.cc (Free_list::allocate): Extend allocation beyond original
 420         end if enabled.
 421         (Layout::make_output_section): Mark sections that should get
 422         patch space.
 423         * options.cc (parse_percent): New function.
 424         * options.h (parse_percent): New function.
 425         (DEFINE_percent): New macro.
 426         (General_options): Add --incremental-patch option.
 427         * output.cc (Output_section::Output_section): Initialize new data
 428         members.
 429         (Output_section::add_input_section): Print section name when out
 430         of patch space.
 431         (Output_section::add_output_section_data): Likewise.
 432         (Output_section::set_final_data_size): Add patch space when
 433         doing --incremental-full.
 434         (Output_section::do_reset_address_and_file_offset): Remove patch
 435         space.
 436         (Output_segment::set_section_list_addresses): Print debug output
 437         only if --incremental-update.
 438         * output.h (Output_section::set_is_patch_space_allowed): New function.
 439         (Output_section::is_patch_space_allowed_): New data member.
 440         (Output_section::patch_space_): New data member.
 441         * parameters.cc (Parameters::incremental_full): New function.
 442         * parameters.h (Parameters::incremental_full): New function
 443         * testsuite/Makefile.am (incremental_test_2): Add test for
 444         --incremental-patch option.
 445         * testsuite/Makefile.in: Regenerate.
 446         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 447         (t18): Remove function body.
 448
 449 2011-07-05  Doug Kwan  <dougkwan@google.com>
 450
 451         PR gold/12771
 452         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 453         Arm_Address type for relocation result.
 454         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 455         overflow check.
 456         (Arm_relocate_functions::abs32): Use unaligned access.
 457         (Arm_relocate_functions::rel32): Ditto.
 458         (Arm_relocate_functions::prel31): Ditto.
 459         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 460         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 461         static data relocations.
 462         * testsuite/Makefile.in: Regnerate.
 463         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 464
 465 2011-07-05  Ian Lance Taylor  <iant@google.com>
 466
 467         PR gold/12392
 468         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 469         symbols if necessary.
 470         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 471
 472 2011-07-05  Ian Lance Taylor  <iant@google.com>
 473
 474         PR gold/12952
 475         * resolve.cc (Symbol::override_base_with_special): Simply override
 476         version with special symbol version, ignoring previous version.
 477
 478 2011-07-05  Ian Lance Taylor  <iant@google.com>
 479
 480         * object.cc (Sized_relobj_file::include_section_group): Add
 481         information to comment about signature location.
 482
 483 2011-07-02  Ian Lance Taylor  <iant@google.com>
 484
 485         PR gold/12957
 486         * options.h (class General_options): Add -f and -F.
 487         * options.cc (General_options::finalize): Fatal error if -f/-F
 488         are used without -shared.
 489         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 490
 491 2011-07-02  Ian Lance Taylor  <iant@google.com>
 492
 493         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 494
 495 2011-07-01  Ian Lance Taylor  <iant@google.com>
 496
 497         PR gold/12525
 498         PR gold/12952
 499         * resolve.cc (Symbol::override_base_with_special): Don't override
 500         the version if the overriding symbol has a different name.
 501         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 502         all callers.  If we give an error about an undefined version,
 503         define the base version if necessary.
 504         * dynobj.h (class Versions): Update declaration.
 505         * testsuite/weak_alias_test_5.cc: New file.
 506         * testsuite/weak_alias_test.script: New file.
 507         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 508         and versioned_alias have the right value, and call t2.
 509         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 510         weak_alias_test_5.so.
 511         (weak_alias_test_LDADD): Likewise.
 512         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 513         * testsuite/Makefile.in: Rebuild.
 514
 515 2011-07-01  Ian Lance Taylor  <iant@google.com>
 516
 517         PR gold/12525
 518         * options.h (class General_options): Support -z notext.
 519         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 520         -Wl,-z,notext.
 521         (two_file_shared_nonpic.so): Likewise.
 522         (two_file_shared_mixed.so): Likewise.
 523         (two_file_shared_mixed_1.so): Likewise.
 524         (weak_undef_lib_nonpic.so): Likewise.
 525         (alt/weak_undef_lib_nonpic.so): Likewise.
 526         (tls_test_shared_nonpic.so): Likewise.
 527         * testsuite/Makefile.in: Rebuild.
 528
 529 2011-07-01  Ian Lance Taylor  <iant@google.com>
 530
 531         PR gold/12525
 532         * configure.ac: Test whether static linking works, setting
 533         the automake conditional HAVE_STATIC.
 534         * testsuite/Makefile.am: Disable tests using -static if
 535         HAVE_STATIC is not true.
 536         * configure, testsuite/Makefile.in: Rebuild.
 537
 538 2011-07-01  Ian Lance Taylor  <iant@google.com>
 539
 540         PR gold/12525
 541         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 542         Assert if we see DW_EH_PE_indirect.
 543         * target.h (Target::ehframe_datarel_base): New function.
 544         (Target::do_ehframe_datarel_base): New target function.
 545         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 546         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 547         function.
 548
 549 2011-07-01  Ian Lance Taylor  <iant@google.com>
 550
 551         PR gold/12571
 552         * options.h (class General_options): Add
 553         --ld-generated-unwind-info.
 554         * ehframe.cc (Fde::write): Add address parameter.  Change all
 555         callers.  If associated with PLT, fill in address and size.
 556         (Cie::set_output_offset): Only add merge mapping if there is an
 557         object.
 558         (Cie::write): Add address parameter.  Change all callers.
 559         (Eh_frame::add_ehframe_for_plt): New function.
 560         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 561         input_offset_ fields into union u_, with new plt field.
 562         (Fde::Fde): Adjust for new union field.
 563         (Fde::Fde) [Output_data version]: New constructor.
 564         (Fde::add_mapping): Only add merge mapping if there is an object.
 565         (class Cie): Update declarations.
 566         (class Eh_frame): Declare add_ehframe_for_plt.
 567         * layout.cc (Layout::layout_eh_frame): Break out code into
 568         make_eh_frame_section, and call it.
 569         (Layout::make_eh_frame_section): New function.
 570         (Layout::add_eh_frame_for_plt): New function.
 571         * layout.h (class Layout): Update declarations.
 572         * merge.cc (Merge_map::add_mapping): Add assertion.
 573         * i386.cc: Include "dwarf.h".
 574         (class Output_data_plt_i386): Make first_plt_entry,
 575         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 576         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 577         and plt_eh_frame_fde.
 578         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 579         boundary.  Call add_eh_frame_for_plt if appropriate.
 580         * x86_64.cc: Include "dwarf.h".
 581         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 582         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 583         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 584         and plt_eh_frame_fde.
 585         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 586         appropriate.
 587
 588 2011-06-29  Ian Lance Taylor  <iant@google.com>
 589
 590         PR gold/12629
 591         * object.cc (Sized_relobj_file::layout_section): Change shdr
 592         parameter to be const.
 593         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 594         out of do_layout.
 595         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 596         appropriate.  Call layout_eh_frame_section.
 597         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 598         sections.
 599         * object.h (class Sized_relobj_file): Update declarations.
 600
 601 2011-06-29  Ian Lance Taylor  <iant@google.com>
 602
 603         PR gold/12652
 604         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 605         modifier.
 606         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 607
 608 2011-06-29  Ian Lance Taylor  <iant@google.com>
 609
 610         PR gold/12675
 611         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 612         SHT_X86_64_UNWIND.
 613         * layout.cc (Layout::layout_eh_frame): Likewise.
 614
 615 2011-06-29  Ian Lance Taylor  <iant@google.com>
 616
 617         PR gold/12695
 618         * layout.cc (Layout::symtab_section_shndx): New function.
 619         * layout.h (class Layout): Declare symtab_section_shndx.
 620         * output.cc (Output_section::write_header): Call it.
 621
 622 2011-06-29  Ian Lance Taylor  <iant@google.com>
 623
 624         PR gold/12818
 625         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 626         symbols which are not used in a relocation.
 627
 628 2011-06-28  Ian Lance Taylor  <iant@google.com>
 629
 630         PR gold/12898
 631         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 632         script create indistinguishable segments.
 633         (Layout::set_segment_offsets): Use stable_sort when sorting
 634         segments.  Pass this to Compare_segments constructor.
 635         * layout.h (class Layout): Make segment_precedes non-static.
 636         (class Compare_segments): Change from struct to class.  Add
 637         layout_ field.  Add constructor.
 638         * script-sections.cc
 639         (Script_sections::attach_sections_using_phdrs_clause): Rename
 640         local orphan to is_orphan.  Don't report failure to put empty
 641         section in segment.  On attachment failure, report name of
 642         section, and attach to first PT_LOAD segment.
 643
 644 2011-06-28  Ian Lance Taylor  <iant@google.com>
 645
 646         PR gold/12934
 647         * target-select.cc (Target_selector::Target_selector): Add
 648         emulation parameter.  Change all callers.
 649         (select_target_by_bfd_name): Rename from select_target_by_name.
 650         Change all callers.
 651         (select_target_by_emulation): New function.
 652         (supported_emulation_names): New function.
 653         * target-select.h (class Target_selector): Add emulation_ field.
 654         Update declarations.
 655         (Target_selector::recognize_by_bfd_name): Rename from
 656         recognize_by_name.  Change all callers.
 657         (Target_selector::supported_bfd_names): Rename from
 658         supported_names.  Change all callers.
 659         (Target_selector::recognize_by_emulation): New function.
 660         (Target_selector::supported_emulations): New function.
 661         (Target_selector::emulation): New function.
 662         (Target_selector::do_recognize_by_bfd_name): Rename from
 663         do_recognize_by_name.  Change all callers.
 664         (Target_selector::do_supported_bfd_names): Rename from
 665         do_supported_names.  Change all callers.
 666         (Target_selector::do_recognize_by_emulation): New function.
 667         (Target_selector::do_supported_emulations): New function.
 668         (select_target_by_bfd_name): Change name in declaration.
 669         (select_target_by_emulation): Declare.
 670         (supported_emulation_names): Declare.
 671         * parameters.cc (parameters_force_valid_target): Try to find
 672         target based on emulation from -m option.
 673         * options.h (class General_options): Change doc string for -m.
 674         * options.cc (help): Print emulations.
 675         (General_options::parse_V): Likewise.
 676         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 677         Add emulation parameter.  Change all callers.
 678
 679 2011-06-28  Ian Lance Taylor  <iant@google.com>
 680
 681         * target.h (class Target): Add osabi_ field.
 682         (Target::osabi): New function.
 683         (Target::set_osabi): New function.
 684         (Target::Target): Initialize osabi_.
 685         (Target::do_adjust_elf_header): Make pure virtual.
 686         (Sized_target::do_adjust_elf_header): Declare.
 687         * target.cc (Sized_target::do_adjust_elf_header): New function.
 688         (class Sized_target): Instantiate all versions.
 689         * freebsd.h (class Target_freebsd): Remove.
 690         (Target_selector_freebsd::do_recognize): Call set_osabi on
 691         Target.
 692         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 693         (Target_selector_freebsd::set_osabi): Remove.
 694         * i386.cc (class Target_i386): Inherit from Sized_target rather
 695         than Target_freebsd.
 696         * x86_64.cc (class Target_x86_64): Likewise.
 697
 698 2011-06-28  Ian Lance Taylor  <iant@google.com>
 699
 700         * target.h (Target::can_check_for_function_pointers): Rewrite.
 701         Make non-virtual.
 702         (Target::can_icf_inline_merge_sections): Likewise.
 703         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 704         (Target::Target_info): Add can_icf_inline_merge_sections field.
 705         (Target::do_can_check_for_function_pointers): New virtual
 706         function.
 707         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 708         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 709         from can_check_for_function_pointers, move in file.
 710         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 711         section_may_have_icf_unsafe_poineters, move in file.
 712         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 713         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 714         Rename from can_check_for_function_pointers, move in file.
 715         (Target_i386::can_icf_inline_merge_sections): Remove.
 716         (Target_i386::i386_info): Initialize
 717         can_icf_inline_merge_sections.
 718         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 719         Initialize can_icf_inline_merge_sections.
 720         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 721         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 722         Rename from can_check_for_function_pointers, move in file.
 723         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 724         (Target_x86_64::x86_64_info): Initialize
 725         can_icf_inline_merge_sections.
 726         * testsuite/testfile.cc (Target_test::test_target_info):
 727         Likewise.
 728         * icf.cc (get_section_contents): Correct formatting.
 729
 730 2011-06-27  Ian Lance Taylor  <iant@google.com>
 731
 732         * symtab.cc (Symbol::versioned_name): New function.
 733         (Symbol_table::add_to_final_symtab): Use versioned_name when
 734         appropriate.
 735         (Symbol_table::sized_write_symbol): Likewise.
 736         * symtab.h (class Symbol): Declare versioned_name.
 737         * stringpool.h (class Stringpool_template): Add variant of add
 738         which takes a std::basic_string.
 739         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 740         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 741         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 742         (ver_test_12.o): New target.
 743         * testsuite/Makefile.in: Rebuild.
 744
 745 2011-06-27  Doug Kwan  <dougkwan@google.com>
 746
 747         * arm.cc (Arm_relocate_functions::thm_jump8,
 748         Arm_relocate_functions::thm_jump11): Use a wider signed
 749         type to compute offset.
 750         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 751         arm_thm_jump8.
 752         * testsuite/Makefile.in: Regenerate.
 753         * testsuite/arm_branch_in_range.sh: Check test results of
 754         arm_thm_jump11 and arm_thm_jump8.
 755         * testsuite/arm_thm_jump11.s: New test source file.
 756         * testsuite/arm_thm_jump11.t: New linker script.
 757         * testsuite/arm_thm_jump8.s: New test source file.
 758         * testsuite/arm_thm_jump8.t: New linker script.
 759
 760 2011-06-24  Ian Lance Taylor  <iant@google.com>
 761
 762         * layout.cc: Include "object.h".
 763         (ctors_sections_in_init_array): New static variable.
 764         (Layout::is_ctors_in_init_array): New function.
 765         (Layout::layout): Add entry to ctors_sections_in_init_array if
 766         appropriate.
 767         * layout.h (class Layout): Declare is_ctors_in_init_array.
 768         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 769         is_ctors_reverse_view is set.
 770         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 771         all callers.  Set is_ctors_reverse_view field of View_size.
 772         (Sized_relobj_file::reverse_words): New function.
 773         * object.h (Sized_relobj_file::View_size): Add
 774         is_ctors_reverse_view field.
 775         (class Sized_relobj_file): Update declarations.
 776         * testsuite/initpri3.c: New test.
 777         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 778         initpri3b.
 779         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 780         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 781         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 782         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 783         * testsuite/Makefile.in: Rebuild.
 784
 785 2011-06-24  Cary Coutant  <ccoutant@google.com>
 786
 787         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 788         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 789         (debug_msg_cdebug.err): New targets.
 790         * testsuite/Makefile.in: Regenerate.
 791         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 792         Fix checks for link with shared library.
 793
 794 2011-06-24  Doug Kwan  <dougkwan@google.com>
 795
 796         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 797         skip empty text sections.
 798         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 799
 800 2011-06-22  Ian Lance Taylor  <iant@google.com>
 801
 802         PR gold/12910
 803         * options.h (class General_options): Add --ctors-in-init-array.
 804         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 805         friends as SHT_PROGBITS for merging sections.
 806         (Layout::layout): Remove special handling of .init_array and
 807         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 808         and .dtors if ctors_in_init_array.
 809         (Layout::make_output_section): Force correct section types for
 810         .init_array and friends.  Don't sort if doing relocatable link,
 811         Don't sort .ctors and .dtors if ctors_in_init_array.
 812         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 813         (Layout::output_section_name): Add relobj parameter.  Change all
 814         callers.  Handle .ctors. and .dtors. in code rather than table.
 815         Handle .ctors and .dtors if ctors_in_init_array.
 816         (Layout::match_file_name): New function, moved from output.cc.
 817         * layout.h (class Layout): Update declarations.
 818         * output.cc: Include "layout.h".
 819         (Input_section_sort_entry::get_priority): New function.
 820         (Input_section_sort_entry::match_file_name): Just call
 821         Layout::match_file_name.
 822         (Output_section::Input_section_sort_init_fini_compare::operator()):
 823         Handle .ctors and .dtors.  Sort by explicit priority rather than
 824         by name.
 825         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 826         * testsuite/initpri2.c: New test.
 827         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 828         (check_PROGRAMS): Add initpri2.
 829         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 830         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 831         * configure, testsuite/Makefile.in: Rebuild.
 832
 833 2011-06-19  Ian Lance Taylor  <iant@google.com>
 834
 835         PR gold/12880
 836         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 837         .interp section to a PT_INTERP segment even if we have seen a
 838         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 839         clause in a linker script.
 840         (Layout::finalize): Don't create a .interp section if we've
 841         already create a PT_INTERP segment.
 842         (Layout::create_interp): Always call choose_output_section (revert
 843         patch of 2011-06-17).  Don't create PT_INTERP segment.
 844         * script-sections.cc
 845         (Script_sections::create_note_and_tls_segments): Add a .interp
 846         section to a PT_INTERP segment even if we have seen a
 847         --dynamic-linker option.
 848
 849 2011-06-18  Ian Lance Taylor  <iant@google.com>
 850
 851         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 852         merely because a non-PT_LOAD segment has a dynamic reloc.
 853
 854 2011-06-18  Ian Lance Taylor  <iant@google.com>
 855
 856         * layout.cc (Layout::finish_dynamic_section): Don't create
 857         DT_FLAGS entry if not needed.
 858
 859 2011-06-18  Ian Lance Taylor  <iant@google.com>
 860
 861         PR gold/12745
 862         * layout.cc (Layout::layout_eh_frame): Correct handling of
 863         writable .eh_frame section.
 864
 865 2011-06-17  Ian Lance Taylor  <iant@google.com>
 866
 867         PR gold/12893
 868         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 869         symbol is redefined with the exact same object and value.
 870
 871 2011-06-17  Ian Lance Taylor  <iant@google.com>
 872
 873         PR gold/12880
 874         * layout.h (class Layout): Add interp_segment_ field.
 875         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 876         (Layout::attach_allocated_section_to_segment): If making shared
 877         library, put .interp section in PT_INTERP segment.
 878         (Layout::finalize): Also call create_interp if -dynamic-linker
 879         option was used.
 880         (Layout::create_interp): Assert that there is no PT_INTERP
 881         segment.  If not using a SECTIONS clause, use make_output_section.
 882         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 883         * script-sections.cc
 884         (Script_sections::create_note_and_tls_segments): If making shared
 885         library, put .interp section in PT_INTERP segment.
 886
 887 2011-06-17  Ian Lance Taylor  <iant@google.com>
 888
 889         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 890         when making a shared library.
 891
 892 2011-06-17  Ian Lance Taylor  <iant@google.com>
 893
 894         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 895         parameter.  Change all callers.  Don't issue warning about PC32
 896         against locally defined symbol.
 897
 898 2011-06-16  Ian Lance Taylor  <iant@google.com>
 899
 900         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 901         occurs in same object.
 902
 903 2011-06-14  Alan Modra  <amodra@gmail.com>
 904
 905         * po/POTFILES.in: Regenerate.
 906
 907 2011-06-09  Ian Lance Taylor  <iant@google.com>
 908
 909         * script-sections.cc
 910         (Orphan_output_section::set_section_addresses): For a relocatable
 911         link set address to 0.
 912
 913 2011-06-09  Cary Coutant  <ccoutant@google.com>
 914
 915         PR gold/12804
 916         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 917         used with --compress-debug-sections.
 918         * gold/object.cc (Sized_relobj_file::do_layout): Report
 919         uncompressed size of compressed input sections.
 920
 921 2011-06-08  Cary Coutant  <ccoutant@google.com>
 922
 923         PR gold/12804
 924         * testsuite/two_file_test_2_v1.cc: Change initialization of
 925         v2 to keep it in .data.
 926
 927 2011-06-07  Cary Coutant  <ccoutant@google.com>
 928
 929         * common.cc (Symbol_table::do_allocate_commons_list): Call
 930         gold_fallback.
 931         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 932         (Errors::fallback): New function.
 933         (gold_fallback): New function.
 934         * errors.h (Errors::fallback): New function.
 935         * gold.cc (gold_exit): Change status parameter to enum; adjust
 936         all callers.
 937         (queue_initial_tasks): Call gold_fallback.
 938         * gold.h: Include cstdlib.
 939         (Exit_status): New enum type.
 940         (gold_exit): Change status parameter to enum.
 941         (gold_fallback): New function.
 942         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
 943         (Layout::create_symtab_sections): Likewise.
 944         (Layout::create_shdrs): Likewise.
 945         * main.cc (main): Adjust call to gold_exit.
 946         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
 947         (Output_data_got::add_got_entry_pair): Likewise.
 948         (Output_section::add_input_section): Likewise.
 949         (Output_section::add_output_section_data): Likewise.
 950         (Output_segment::set_section_list_addresses): Likewise.
 951         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
 952
 953 2011-06-07  Cary Coutant  <ccoutant@google.com>
 954
 955         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
 956         for incremental links.
 957         * output.cc (Output_segment::set_section_list_addresses): Remove
 958         FIXME and test for TLS or BSS.
 959
 960 2011-06-07  Cary Coutant  <ccoutant@google.com>
 961
 962         * testsuite/Makefile.am: Add incremental_copy_test,
 963         incremental_common_test_1.
 964         * testsuite/Makefile.in: Regenerate.
 965         * testsuite/common_test_1_v1.c: New source file.
 966         * testsuite/common_test_1_v2.c: New source file.
 967         * testsuite/copy_test_v1.cc: New source file.
 968
 969 2011-06-07  Cary Coutant  <ccoutant@google.com>
 970
 971         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
 972         update, allocate common from bss section's free list.
 973         * incremental-dump.cc (dump_incremental_inputs): Print flag for
 974         linker-defined symbols.
 975         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 976         Skip GOT and PLT entries that are no longer referenced.
 977         (Output_section_incremental_inputs::write_info_blocks): Mark
 978         linker-defined symbols.
 979         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
 980         * output.cc (Output_section::allocate): New function.
 981         * output.h (Output_section::allocate): New function.
 982         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
 983         linker-defined symbols.
 984         (Symbol::override_base_with_special): Copy is_predefined_ flag.
 985         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
 986         (Symbol::init_base_output_data): Likewise.
 987         (Symbol::init_base_output_segment): Likewise.
 988         (Symbol::init_base_constant): Likewise.
 989         (Sized_symbol::init_output_data): Likewise.
 990         (Sized_symbol::init_output_segment): Likewise.
 991         (Sized_symbol::init_constant): Likewise.
 992         (Symbol_table::do_define_in_output_data): Likewise.
 993         (Symbol_table::do_define_in_output_segment): Likewise.
 994         (Symbol_table::do_define_as_constant): Likewise.
 995         * symtab.h (Symbol::is_predefined): New function.
 996         (Symbol::init_base_output_data): Add is_predefined parameter.
 997         (Symbol::init_base_output_segment): Likewise.
 998         (Symbol::init_base_constant): Likewise.
 999         (Symbol::is_predefined_): New data member.
1000         (Sized_symbol::init_output_data): Add is_predefined parameter.
1001         (Sized_symbol::init_output_segment): Likewise.
1002         (Sized_symbol::init_constant): Likewise.
1003         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1004
1005 2011-06-07  Cary Coutant  <ccoutant@google.com>
1006
1007         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1008         instead of emit_copy_reloc.
1009         (Copy_relocs::emit_copy_reloc): Refactor.
1010         (Copy_relocs::make_copy_reloc): New function.
1011         (Copy_relocs::add_copy_reloc): Remove.
1012         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1013         section.
1014         (Copy_relocs::make_copy_reloc): New function.
1015         (Copy_relocs::add_copy_reloc): Remove.
1016         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1017         unchanged input files.
1018         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1019         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1020         Reserve BSS space for COPY relocations.
1021         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1022         (Output_section_incremental_inputs::write_info_blocks): Record
1023         whether a symbol is copied from a shared object.
1024         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1025         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1026         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1027         (Incremental_input_entry_reader::get_output_symbol_index): Add
1028         is_copy parameter.
1029         (Incremental_binary::emit_copy_relocs): New function.
1030         (Incremental_binary::do_emit_copy_relocs): New function.
1031         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1032         new data member.
1033         (Sized_incremental_binary::add_copy_reloc): New function.
1034         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1035         (Sized_incremental_binary::Copy_reloc): New struct.
1036         (Sized_incremental_binary::Copy_relocs): New typedef.
1037         (Sized_incremental_binary::copy_relocs_): New data member.
1038         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1039         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1040         * target.h (Sized_target::emit_copy_reloc): New function.
1041         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1042
1043 2011-06-02  Cary Coutant  <ccoutant@google.com>
1044
1045         PR gold/12163
1046         * gold/archive.cc (Archive::Archive): Initialize new data member.
1047         (Archive::include_all_members): Return if archive has already been
1048         included.
1049         * gold/archive.h (Archive::include_all_members_): New data member.
1050
1051 2011-06-02  Nick Clifton  <nickc@redhat.com>
1052
1053         * dynobj.h: Fix spelling mistake in comment.
1054         * output.cc: Likewise.
1055
1056 2011-05-31  Doug Kwan  <dougkwan@google.com>
1057             Asier Llano
1058
1059         PR gold/12826
1060         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1061         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1062         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1063         redundant arm_exidx_test.so.
1064         * testsuite/Makefile.in: Regenerate.
1065         (check_SCRIPTS): Add pr12826.sh
1066         (check_DATA): Add pr12826.stdout
1067         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1068         * testsuite/pr12826.sh: New file.
1069         * testsuite/pr12826_1.s: Ditto.
1070         * testsuite/pr12826_1.s: Ditto.
1071
1072 2011-05-30  Ian Lance Taylor  <iant@google.com>
1073
1074         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1075         sections.
1076
1077 2011-05-29  Ian Lance Taylor  <iant@google.com>
1078
1079         PR gold/12804
1080         * testsuite/Makefile.am: Use different file name for two_file_test
1081         temporary file for each incremental test.
1082         * testsuite/Makefile.in: Rebuild.
1083
1084 2011-05-29  Ian Lance Taylor  <iant@google.com>
1085
1086         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1087         binary input file is empty.
1088
1089 2011-05-27  Ian Lance Taylor  <iant@google.com>
1090
1091         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1092         (ver_test_9.so): Likewise.
1093         * testsuite/Makefile.in: Rebuild.
1094
1095 2011-05-26 Cary Coutant  <ccoutant@google.com>
1096
1097         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1098         * incremental.cc (Incremental_inputs::report_input_section): Fix
1099         comment, indentation.
1100         (Incremental_inputs::report_comdat_group): New function.
1101         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1102         of data for incremental input file entry.
1103         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1104         group count, COMDAT group signatures.
1105         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1106         an unchanged input file.
1107         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1108         Initialize new data member.
1109         (Incremental_object_entry::add_comdat_group): New function.
1110         (Incremental_object_entry::get_comdat_group_count): New function.
1111         (Incremental_object_entry::get_comdat_signature_key): New function.
1112         (Incremental_object_entry::groups_): New data member.
1113         (Incremental_inputs::report_comdat_group): New function.
1114         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1115         data for incremental input file entry.
1116         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1117         (Incremental_input_entry_reader::get_input_section): Adjust size of
1118         data for incremental input file entry.
1119         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1120         (Incremental_input_entry_reader::get_comdat_group_signature): New
1121         function.
1122         * object.cc (Sized_relobj::include_section_group): Report kept
1123         COMDAT groups for incremental links.
1124
1125 2011-05-24  David Meyer  <pdox@google.com>
1126
1127         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1128         with name parameter.  Add found_name parameter.
1129         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1130         * dirsearch.h (class Dirsearch): Update declaration.
1131
1132 2011-05-24  Ian Lance Taylor  <iant@google.com>
1133
1134         * archive.cc (Library_base::should_include_member): Pull in object
1135         from archive if it defines the entry symbol.
1136         * parameters.cc (Parameters::entry): New function.
1137         * parameters.h (class Parameters): Declare entry.
1138         * output.h (class Output_file_header): Remove entry_ field.
1139         * output.cc (Output_file_header::Output_file_header): Remove entry
1140         parameter.  Change all callers.
1141         (Output_file_header::entry): Use parameters->entry.
1142         * gold.cc (queue_middle_tasks): Likewise.
1143         * plugin.cc (Plugin_hook::run): Likewise.
1144
1145 2011-05-24 Cary Coutant  <ccoutant@google.com>
1146
1147         * gold.cc (queue_initial_tasks): Pass incremental base filename
1148         to Output_file::open_base_file; don't print error message.
1149         * incremental-dump.cc (main): Adjust call to
1150         Output_file::open_for_modification.
1151         * incremental-dump.cc (main): Likewise.
1152         * incremental.cc (Incremental_inputs::report_command_line):
1153         Ignore --incremental-base option when comparing command lines.
1154         Ignore parameter when given as separate argument.
1155         * options.h (class General_options): Add --incremental-base.
1156         * output.cc (Output_file::Output_file):
1157         (Output_file::open_base_file): Add base_name and writable parameters;
1158         read base file into new file; print error message here.
1159         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1160         callers.
1161         * output.h (Output_file::open_for_modification): Rename to...
1162         (Output_file::open_base_file): ...this; add base_name and
1163         writable parameters; adjust all callers.
1164         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1165         callers.
1166         * testsuite/Makefile.am (incremental_test_4): Test
1167         --incremental-base.
1168         * testsuite/Makefile.in: Regenerate.
1169
1170 2011-05-24 Cary Coutant  <ccoutant@google.com>
1171
1172         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1173         incremental_test_4.
1174         * testsuite/Makefile.in: Regenerate.
1175         * testsuite/two_file_test_1_v1.cc: New test source file.
1176         * testsuite/two_file_test_1b_v1.cc: New test source file.
1177         * testsuite/two_file_test_2_v1.cc: New test source file.
1178
1179 2011-05-24 Cary Coutant  <ccoutant@google.com>
1180
1181         * dynobj.h (Dynobj::do_dynobj): New function.
1182         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1183         flag and soname for shared objects.
1184         * incremental.cc (Incremental_inputs::report_object): Make
1185         either Incremental_object_entry or Incremental_dynobj_entry; add
1186         soname to string table.
1187         (Incremental_inputs::report_input_section): Add assertion.
1188         (Output_section_incremental_inputs::set_final_data_size): Adjust
1189         type of input file entry for shared libraries; adjust size of
1190         shared library info entry.
1191         (Output_section_incremental_inputs::write_input_files): Write
1192         as_needed flag for shared libraries.
1193         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1194         of input file entry for shared libraries; write soname.
1195         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1196         soname from incremental info.
1197         * incremental.h (enum Incremental_input_flags): Add
1198         INCREMENTAL_INPUT_AS_NEEDED.
1199         (Incremental_input_entry::Incremental_input_entry): Initialize new
1200         data member.
1201         (Incremental_input_entry::set_as_needed): New function.
1202         (Incremental_input_entry::as_needed): New function.
1203         (Incremental_input_entry::do_dynobj_entry): New function.
1204         (Incremental_input_entry::as_needed_): New data member.
1205         (Incremental_object_entry::Incremental_object_entry): Don't check
1206         for shared library.
1207         (Incremental_object_entry::do_type): Likewise.
1208         (class Incremental_dynobj_entry): New class.
1209         (Incremental_input_entry_reader::as_needed): New function.
1210         (Incremental_input_entry_reader::get_soname): New function.
1211         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1212         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1213         size of shared library info entry.
1214         * layout.cc (Layout::finish_dynamic_section): Don't test for
1215         incremental link when adding DT_NEEDED entries.
1216         * object.h (Object::Object): Initialize new data member.
1217         (Object::dynobj): New function.
1218         (Object::set_as_needed): New function.
1219         (Object::as_needed): New function.
1220         (Object::do_dynobj): New function.
1221         (Object::as_needed_): New data member.
1222
1223 2011-05-24 Cary Coutant  <ccoutant@google.com>
1224
1225         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1226         info; adjust display of GOT entries.
1227         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1228         vector of input objects; remove file_status_.
1229         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1230         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1231         got_plt reader; call target hooks to reserve GOT entries.
1232         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1233         of input file info header and GOT info entry.
1234         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1235         relocation info.
1236         (Got_plt_view_info::got_descriptor): Remove.
1237         (Got_plt_view_info::sym_index): New data member.
1238         (Got_plt_view_info::input_index): New data member.
1239         (Local_got_offset_visitor::visit): Write input file index.
1240         (Global_got_offset_visitor::visit): Write 0 for input file index.
1241         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1242         with sym_index and input_index.
1243         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1244         incremental info GOT entry; replace got_descriptor with input_index.
1245         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1246         map from input file index to object.
1247         (Sized_relobj_incr::do_layout): Replace direct data member reference
1248         with accessor function.
1249         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1250         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1251         Adjust size of input file info header.
1252         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1253         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1254         (Incremental_input_entry_reader::get_input_section): Adjust size of
1255         input file info header.
1256         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1257         of incremental info GOT entry.
1258         (Incremental_got_plt_reader::get_got_desc): Remove.
1259         (Incremental_got_plt_reader::get_got_symndx): New function.
1260         (Incremental_got_plt_reader::get_got_input_index): New function.
1261         (Sized_incremental_binary::Sized_incremental_binary): Remove
1262         file_status_; add input_objects_.
1263         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1264         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1265         (Sized_incremental_binary::file_is_unchanged): Remove.
1266         (Sized_incremental_binary::set_input_object): New function.
1267         (Sized_incremental_binary::input_object): New function.
1268         (Sized_incremental_binary::file_status_): Remove.
1269         (Sized_incremental_binary::input_objects_): New data member.
1270         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1271         references.
1272         (Sized_relobj_incr::invalid_address): Move to base class.
1273         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1274         class.
1275         (Sized_relobj_incr::do_output_section_offset): Likewise.
1276         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1277         (Sized_relobj_incr::section_offsets_): Likewise.
1278         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1279         function.
1280         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1281         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1282         with accessor function.
1283         (Sized_relobj_file::do_layout): Likewise.
1284         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1285         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1286         (Sized_relobj_file::compute_final_local_value): Replace refs to
1287         section_offsets_ with accessor function.
1288         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1289         * object.h (Relobj::Relobj): Initialize new data members.
1290         (Relobj::add_dyn_reloc): New function.
1291         (Relobj::first_dyn_reloc): New function.
1292         (Relobj::dyn_reloc_count): New function.
1293         (Relobj::first_dyn_reloc_): New data member.
1294         (Relobj::dyn_reloc_count_): New data member.
1295         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1296         references.
1297         (Sized_relobj::Address): New typedef.
1298         (Sized_relobj::invalid_address): Move here from child class.
1299         (Sized_relobj::Sized_relobj): Initialize new data members.
1300         (Sized_relobj::sized_relobj): New function.
1301         (Sized_relobj::is_output_section_offset_invalid): Move here from
1302         child class.
1303         (Sized_relobj::get_output_section_offset): Likewise.
1304         (Sized_relobj::local_has_got_offset): Likewise.
1305         (Sized_relobj::local_got_offset): Likewise.
1306         (Sized_relobj::set_local_got_offset): Likewise.
1307         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1308         (Sized_relobj::clear_got_offsets): New function.
1309         (Sized_relobj::section_offsets): Move here from child class.
1310         (Sized_relobj::do_output_section_offset): Likewise.
1311         (Sized_relobj::do_set_section_offset): Likewise.
1312         (Sized_relobj::Local_got_offsets): Likewise.
1313         (Sized_relobj::local_got_offsets_): Likewise.
1314         (Sized_relobj::section_offsets_): Likewise.
1315         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1316         references.
1317         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1318         class.
1319         (Sized_relobj_file::sized_relobj): New function
1320         (Sized_relobj_file::local_has_got_offset): Move to base class.
1321         (Sized_relobj_file::local_got_offset): Likewise.
1322         (Sized_relobj_file::set_local_got_offset): Likewise.
1323         (Sized_relobj_file::get_output_section_offset): Likewise.
1324         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1325         (Sized_relobj_file::do_output_section_offset): Likewise.
1326         (Sized_relobj_file::do_set_section_offset): Likewise.
1327         (Sized_relobj_file::Local_got_offsets): Likewise.
1328         (Sized_relobj_file::local_got_offsets_): Likewise.
1329         (Sized_relobj_file::section_offsets_): Likewise.
1330         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1331         (all constructors).
1332         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1333         (Output_reloc::get_symbol_index): Likewise.
1334         (Output_reloc::local_section_offset): Likewise.
1335         (Output_reloc::get_address): Likewise.
1336         (Output_reloc::symbol_value): Likewise.
1337         (Output_data_got::reserve_slot): Move to class definition.
1338         (Output_data_got::reserve_local): New function.
1339         (Output_data_got::reserve_slot_for_global): Remove.
1340         (Output_data_got::reserve_global): New function.
1341         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1342         (all constructors, two instantiations).
1343         (Output_reloc::get_relobj): New function (two instantiations).
1344         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1345         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1346         (Output_data_reloc::add_global): Adjust type of relobj.
1347         (Output_data_reloc::add_global_relative): Likewise.
1348         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1349         (Output_data_reloc::add_local): Likewise.
1350         (Output_data_reloc::add_local_relative): Likewise.
1351         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1352         (Output_data_reloc::add_local_section): Likewise.
1353         (Output_data_reloc::add_output_section): Likewise.
1354         (Output_data_reloc::add_absolute): Likewise.
1355         (Output_data_reloc::add_target_specific): Likewise.
1356         (Output_data_got::reserve_slot): Move definition here.
1357         (Output_data_got::reserve_local): New function.
1358         (Output_data_got::reserve_global): New function.
1359         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1360         section_offsets_ with accessor function.
1361         (Sized_relobj_file::write_sections): Likewise.
1362         (Sized_relobj_file::do_relocate_sections): Likewise.
1363         * target.h (Sized_target::reserve_local_got_entry): New function.
1364         (Sized_target::reserve_global_got_entry): New function.
1365         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1366         (Target_x86_64::reserve_global_got_entry): New function.
1367         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1368
1369 2011-05-23 Cary Coutant  <ccoutant@google.com>
1370
1371         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1372         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1373         bit when checking got_type.
1374         * incremental.cc (Sized_incremental_binary::setup_readers):
1375         Store symbol table and string table locations; initialize bit vector
1376         of file status flags.
1377         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1378         unchanged files.
1379         (Sized_incremental_binary::do_process_got_plt): New function.
1380         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1381         (Output_section_incremental_inputs::set_final_data_size): Record
1382         file index for each input file.
1383         (Output_section_incremental_inputs::write_got_plt): Store file index
1384         instead of input entry offset for each GOT entry.
1385         * incremental.h
1386         (Incremental_input_entry::Incremental_input_entry): Initialize new
1387         data member.
1388         (Incremental_input_entry::set_offset): Store file index.
1389         (Incremental_input_entry::get_file_index): New function.
1390         (Incremental_input_entry::file_index_): New data member.
1391         (Incremental_binary::process_got_plt): New function.
1392         (Incremental_binary::do_process_got_plt): New function.
1393         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1394         data members.
1395         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1396         (Sized_incremental_binary::set_file_is_unchanged): New function.
1397         (Sized_incremental_binary::file_is_unchanged): New function.
1398         (Sized_incremental_binary::do_process_got_plt): New function.
1399         (Sized_incremental_binary::file_status_): New data member.
1400         (Sized_incremental_binary::main_symtab_loc_): New data member.
1401         (Sized_incremental_binary::main_strtab_loc_): New data member.
1402         * output.cc (Output_data_got::Got_entry::write): Add case
1403         RESERVED_CODE.
1404         (Output_data_got::add_global): Call add_got_entry.
1405         (Output_data_got::add_global_plt): Likewise.
1406         (Output_data_got::add_global_with_rel): Likewise.
1407         (Output_data_got::add_global_with_rela): Likewise.
1408         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1409         (Output_data_got::add_global_pair_with_rela): Likewise.
1410         (Output_data_got::add_local): Call add_got_entry.
1411         (Output_data_got::add_local_plt): Likewise.
1412         (Output_data_got::add_local_with_rel): Likewise.
1413         (Output_data_got::add_local_with_rela): Likewise.
1414         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1415         (Output_data_got::add_local_pair_with_rela): Likewise.
1416         (Output_data_got::reserve_slot): New function.
1417         (Output_data_got::reserve_slot_for_global): New function.
1418         (Output_data_got::add_got_entry): New function.
1419         (Output_data_got::add_got_entry_pair): New function.
1420         (Output_section::add_output_section_data): Edit FIXME.
1421         * output.h
1422         (Output_section_data_build::Output_section_data_build): New
1423         constructor with size parameter.
1424         (Output_data_space::Output_data_space): Likewise.
1425         (Output_data_got::Output_data_got): Initialize new data member; new
1426         constructor with size parameter.
1427         (Output_data_got::add_constant): Call add_got_entry.
1428         (Output_data_got::reserve_slot): New function.
1429         (Output_data_got::reserve_slot_for_global): New function.
1430         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1431         (Output_data_got::add_got_entry): New function.
1432         (Output_data_got::add_got_entry_pair): New function.
1433         (Output_data_got::free_list_): New data member.
1434         * target.h (Sized_target::init_got_plt_for_update): New function.
1435         (Sized_target::register_global_plt_entry): New function.
1436         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1437         Initialize new data member; call init; add constructor with PLT count.
1438         (Output_data_plt_x86_64::init): New function.
1439         (Output_data_plt_x86_64::add_relocation): New function.
1440         (Output_data_plt_x86_64::reserve_slot): New function.
1441         (Output_data_plt_x86_64::free_list_): New data member.
1442         (Target_x86_64::init_got_plt_for_update): New function.
1443         (Target_x86_64::register_global_plt_entry): New function.
1444         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1445         incremental updates.
1446         (Output_data_plt_x86_64::add_relocation): New function.
1447         * testsuite/object_unittest.cc (Object_test): Set default options.
1448
1449 2011-05-16  Ian Lance Taylor  <iant@google.com>
1450
1451         * options.h (class General_options): Make -i a synonym for -r.
1452
1453 2011-05-16  Ian Lance Taylor  <iant@google.com>
1454
1455         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1456
1457 2011-05-10 Cary Coutant  <ccoutant@google.com>
1458
1459         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1460         strip_all (-s).
1461
1462 2011-05-06  Ian Lance Taylor  <iant@google.com>
1463
1464         * layout.cc (Layout::layout): If the output section flags change,
1465         update the ordering.
1466
1467 2011-04-25 Cary Coutant  <ccoutant@google.com>
1468
1469         * incremental-dump.cc (dump_incremental_inputs): Print local
1470         symbol info for each input file.
1471         * incremental.cc
1472         (Output_section_incremental_inputs::set_final_data_size): Add local
1473         symbol info to input file entries in incremental info.
1474         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1475         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1476         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1477         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1478         implementation.
1479         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1480         (Sized_incr_relobj::do_relocate): Write the local symbols.
1481         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1482         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1483         Adjust size of input file header.
1484         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1485         (Incremental_inputs_reader::get_local_symbol_count): New function.
1486         (Incremental_inputs_reader::get_input_section): Adjust size of input
1487         file header.
1488         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1489         (Sized_incr_relobj::This): New typedef.
1490         (Sized_incr_relobj::sym_size): New const data member.
1491         (Sized_incr_relobj::Local_symbol): New struct.
1492         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1493         (Sized_incr_relobj::do_local_symbol_offset): New function.
1494         (Sized_incr_relobj::local_symbol_count_): New data member.
1495         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1496         (Sized_incr_relobj::local_symbol_index_): New data member.
1497         (Sized_incr_relobj::local_symbol_offset_): New data member.
1498         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1499         (Sized_incr_relobj::local_symbols_): New data member.
1500         * object.h (Relobj::output_local_symbol_count): New function.
1501         (Relobj::local_symbol_offset): New function.
1502         (Relobj::do_output_local_symbol_count): New function.
1503         (Relobj::do_local_symbol_offset): New function.
1504         (Sized_relobj::do_output_local_symbol_count): New function.
1505         (Sized_relobj::do_local_symbol_offset): New function.
1506
1507 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1508
1509         * descriptors.cc (set_close_on_exec): New function.
1510         (Descriptors::open): Use set_close_on_exec.
1511         * output.cc (S_ISLNK): Define if not defined.
1512
1513 2011-04-22 Cary Coutant  <ccoutant@google.com>
1514
1515         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1516         global symbol map.
1517         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1518         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1519         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1520         relocations.
1521         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1522         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1523         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1524         * incremental.h
1525         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1526         function.
1527         (Incremental_binary::apply_incremental_relocs): New function.
1528         (Incremental_binary::do_apply_incremental_relocs): New function.
1529         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1530         data member.
1531         (Sized_incremental_binary::add_global_symbol): New function.
1532         (Sized_incremental_binary::global_symbol): New function.
1533         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1534         (Sized_incremental_binary::symbol_map_): New data member.
1535         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1536         * target.h (Sized_target::apply_relocation): New function.
1537         * target-reloc.h (apply_relocation): New function.
1538         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1539
1540 2011-04-22  Doug Kwan  <dougkwan@google.com>
1541
1542         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1543         flag of a SHT_ARM_EXIDX section.
1544         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1545         * testsuite/Makefile.in: Regenerate.
1546         * testsuite/arm_exidx_test.s: New file.
1547         * testsuite/arm_exidx_test.sh: Same.
1548
1549 2011-04-20 Cary Coutant  <ccoutant@google.com>
1550
1551         PR gold/12689
1552         * archive.h (Incremental_archive_entry::Archive_member):
1553         Initialize arg_serial_ (second constructor).
1554
1555 2011-04-17  Ian Lance Taylor  <iant@google.com>
1556
1557         * object.cc (Relocate_info::location): Simplify location string.
1558         * errors.cc (Errors::error_at_location): Don't print program
1559         name.
1560         (Errors::warning_at_location): Likewise.
1561         (Errors::undefined_symbol): Likewise.
1562         * testsuite/debug_msg.sh: Update accordingly.
1563
1564 2011-04-14 Cary Coutant  <ccoutant@google.com>
1565
1566         * gold/layout.cc (Layout::symtab_section_offset): New function.
1567         * gold/layout.h (Layout::symtab_section_offset): New function.
1568         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1569
1570 2011-04-12  Ian Lance Taylor  <iant@google.com>
1571
1572         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1573         with MREMAP_MAYMOVE.
1574         * output.h (class Output_file): Add map_is_allocated_ field.
1575         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1576         not available, provide stubs.  If mremap is not available, #define
1577         it to gold_mremap.
1578         (MREMAP_MAYMOVE): Define if not defined.
1579         (Output_file::Output_file): Initialize map_is_allocated_.
1580         (Output_file::resize): Check map_is_allocated_.
1581         (Output_file::map_anonymous): If mmap fails, use malloc.
1582         (Output_file::unmap): Don't do anything for an anonymous map.
1583         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1584         is not available, provide stubs.
1585         (File_read::View::~View): Use free rather than delete[].
1586         (File_read::make_view): Use malloc rather than new[].  If mmap
1587         fails, use malloc.
1588         (File_read::find_or_make_view): Use malloc rather than new[].
1589         * gold.h: Remove HAVE_REMAP code.
1590         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1591         exists.  Rename mremap to gold_mremap.  If mmap is not available
1592         don't do anything.
1593         * configure, config.in: Rebuild.
1594
1595 2011-04-11  Ian Lance Taylor  <iant@google.com>
1596
1597         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1598         initialize local variable v.
1599
1600 2011-04-11  Cary Coutant  <ccoutant@google.com>
1601
1602         * archive.cc (Archive::include_member): Adjust call to
1603         report_object.
1604         (Add_archive_symbols::run): Track argument serial numbers.
1605         (Lib_group::include_member): Likewise.
1606         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1607         * archive.h (Incremental_archive_entry::Archive_member):
1608         Initialize arg_serial_.
1609         (Archive_member::arg_serial_): New data member.
1610         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1611         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1612         incremental link.
1613         (Sized_dynobj::do_for_all_local_got_entries): New function.
1614         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1615         function.
1616         * fileread.cc (get_mtime): New function.
1617         * fileread.h (get_mtime): New function.
1618         * gold.cc (queue_initial_tasks): Check for incremental update.
1619         (process_incremental_input): New function.
1620         (queue_middle_tasks): Don't force valid target for incremental
1621         update.
1622         * incremental-dump.cc (find_input_containing_global): Adjust
1623         size of symbol info entry.
1624         (dump_incremental_inputs): Dump argument serial number and
1625         in_system_directory flag; bias shndx by 1; print symbol names
1626         when dumping per-file symbol lists; use new symbol info readers.
1627         * incremental.cc
1628         (Output_section_incremental_inputs:update_data_size): New function.
1629         (Sized_incremental_binary::setup_readers): Setup input readers
1630         for each input file; build maps for files added from libraries
1631         and scripts.
1632         (Sized_incremental_binary::check_input_args): New function.
1633         (Sized_incremental_binary::do_check_inputs): Build map of argument
1634         serial numbers to input arguments.
1635         (Sized_incremental_binary::do_file_has_changed): Rename
1636         do_file_is_unchanged to this; compare file modification times.
1637         (Sized_incremental_binary::do_init_layout): New function.
1638         (Sized_incremental_binary::do_reserve_layout): New function.
1639         (Sized_incremental_binary::do_get_input_reader): Remove.
1640         (Sized_incremental_binary::get_symtab_view): New function.
1641         (Incremental_checker::can_incrementally_link_output_file): Remove.
1642         (Incremental_inputs::report_command_line): Exclude --debug options.
1643         (Incremental_inputs::report_archive_begin): Add parameter; track
1644         argument serial numbers; don't put input file entry for archive
1645         before archive members.
1646         (Incremental_inputs::report_archive_end): Put input file entry
1647         for archive after archive members.
1648         (Incremental_inputs::report_object): Add parameter; track argument
1649         serial numbers and in_system_directory flag.
1650         (Incremental_inputs::report_script): Add parameter; track argument
1651         serial numbers.
1652         (Output_section_incremental_inputs::set_final_data_size): Adjust
1653         size of symbol info entry; check for forwarding symbols.
1654         (Output_section_incremental_inputs::write_input_files): Write
1655         in_system_directory flag and argument serial number.
1656         (Output_section_incremental_inputs::write_info_blocks): Map section
1657         indices between incremental info and original input file; store
1658         input section index for each symbol.
1659         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1660         change operator() to visit().
1661         (class Global_got_offset_visitor): Likewise.
1662         (class Global_symbol_visitor_got_plt):
1663         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1664         classes.
1665         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1666         (Sized_incr_relobj::do_read_symbols): New function.
1667         (Sized_incr_relobj::do_layout): New function.
1668         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1669         (Sized_incr_relobj::do_add_symbols): New function.
1670         (Sized_incr_relobj::do_should_include_member): New function.
1671         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1672         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1673         (Sized_incr_relobj::do_section_size): New function.
1674         (Sized_incr_relobj::do_section_name): New function.
1675         (Sized_incr_relobj::do_section_contents): New function.
1676         (Sized_incr_relobj::do_section_flags): New function.
1677         (Sized_incr_relobj::do_section_entsize): New function.
1678         (Sized_incr_relobj::do_section_address): New function.
1679         (Sized_incr_relobj::do_section_type): New function.
1680         (Sized_incr_relobj::do_section_link): New function.
1681         (Sized_incr_relobj::do_section_info): New function.
1682         (Sized_incr_relobj::do_section_addralign): New function.
1683         (Sized_incr_relobj::do_initialize_xindex): New function.
1684         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1685         (Sized_incr_relobj::do_read_relocs): New function.
1686         (Sized_incr_relobj::do_gc_process_relocs): New function.
1687         (Sized_incr_relobj::do_scan_relocs): New function.
1688         (Sized_incr_relobj::do_count_local_symbols): New function.
1689         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1690         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1691         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1692         (Sized_incr_relobj::do_relocate): New function.
1693         (Sized_incr_relobj::do_set_section_offset): New function.
1694         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1695         (Sized_incr_dynobj::do_read_symbols): New function.
1696         (Sized_incr_dynobj::do_layout): New function.
1697         (Sized_incr_dynobj::do_add_symbols): New function.
1698         (Sized_incr_dynobj::do_should_include_member): New function.
1699         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1700         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1701         (Sized_incr_dynobj::do_section_size): New function.
1702         (Sized_incr_dynobj::do_section_name): New function.
1703         (Sized_incr_dynobj::do_section_contents): New function.
1704         (Sized_incr_dynobj::do_section_flags): New function.
1705         (Sized_incr_dynobj::do_section_entsize): New function.
1706         (Sized_incr_dynobj::do_section_address): New function.
1707         (Sized_incr_dynobj::do_section_type): New function.
1708         (Sized_incr_dynobj::do_section_link): New function.
1709         (Sized_incr_dynobj::do_section_info): New function.
1710         (Sized_incr_dynobj::do_section_addralign): New function.
1711         (Sized_incr_dynobj::do_initialize_xindex): New function.
1712         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1713         (make_sized_incremental_object): New function.
1714         (Incremental_library::copy_unused_symbols): New function.
1715         (Incremental_library::do_for_all_unused_symbols): New function.
1716         * incremental.h (enum Incremental_input_flags): New type.
1717         (class Incremental_checker): Remove.
1718         (Incremental_input_entry::Incremental_input_entry): Add argument
1719         serial number.
1720         (Incremental_input_entry::arg_serial): New function.
1721         (Incremental_input_entry::set_is_in_system_directory): New function.
1722         (Incremental_input_entry::is_in_system_directory): New function.
1723         (Incremental_input_entry::arg_serial_): New data member.
1724         (Incremental_input_entry::is_in_system_directory_): New data member.
1725         (class Script_info): Move here from script.h.
1726         (Script_info::Script_info): Add filename parameter.
1727         (Script_info::filename): New function.
1728         (Script_info::filename_): New data member.
1729         (Incremental_script_entry::Incremental_script_entry): Add argument
1730         serial number.
1731         (Incremental_object_entry::Incremental_object_entry): Likewise.
1732         (Incremental_object_entry::add_input_section): Build list of input
1733         sections with map to original shndx.
1734         (Incremental_object_entry::get_input_section_index): New function.
1735         (Incremental_object_entry::shndx_): New data member.
1736         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1737         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1738         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1739         serial number.
1740         (Incremental_inputs::report_archive_begin): Likewise.
1741         (Incremental_inputs::report_object): Likewise.
1742         (Incremental_inputs::report_script): Likewise.
1743         (class Incremental_global_symbol_reader): New class.
1744         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1745         and store flags and input file type.
1746         (Incremental_input_entry_reader::arg_serial): New function.
1747         (Incremental_input_entry_reader::type): Extract type from flags.
1748         (Incremental_input_entry_reader::is_in_system_directory): New function.
1749         (Incremental_input_entry_reader::get_input_section_count): Call
1750         accessor function for type.
1751         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1752         function for type; adjust size of global symbol entry.
1753         (Incremental_input_entry_reader::get_global_symbol_count): Call
1754         accessor function for type.
1755         (Incremental_input_entry_reader::get_object_count): Likewise.
1756         (Incremental_input_entry_reader::get_object_offset): Likewise.
1757         (Incremental_input_entry_reader::get_member_count): Likewise.
1758         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1759         (Incremental_input_entry_reader::get_member_offset): Likewise.
1760         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1761         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1762         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1763         (Incremental_input_entry_reader::get_global_symbol_reader): New
1764         function.
1765         (Incremental_input_entry_reader::get_output_symbol_index): New
1766         function.
1767         (Incremental_input_entry_reader::type_): Remove.
1768         (Incremental_input_entry_reader::flags_): New data member.
1769         (Incremental_inputs_reader::input_file_offset): New function.
1770         (Incremental_inputs_reader::input_file_index): New function.
1771         (Incremental_inputs_reader::input_file): Call input_file_offset.
1772         (Incremental_inputs_reader::input_file_at_offset): New function.
1773         (Incremental_relocs_reader::get_r_type): Reformat.
1774         (Incremental_relocs_reader::get_r_shndx): Reformat.
1775         (Incremental_relocs_reader::get_r_offset): Reformat.
1776         (Incremental_relocs_reader::data): New function.
1777         (Incremental_binary::Incremental_binary): Initialize new data members.
1778         (Incremental_binary::check_inputs): Add cmdline parameter.
1779         (Incremental_binary::file_is_unchanged): Remove.
1780         (Input_reader::arg_serial): New function.
1781         (Input_reader::get_unused_symbol_count): New function.
1782         (Input_reader::get_unused_symbol): New function.
1783         (Input_reader::do_arg_serial): New function.
1784         (Input_reader::do_get_unused_symbol_count): New function.
1785         (Input_reader::do_get_unused_symbol): New function.
1786         (Incremental_binary::input_file_count): New function.
1787         (Incremental_binary::get_input_reader): Change signature to use
1788         index instead of filename.
1789         (Incremental_binary::file_has_changed): New function.
1790         (Incremental_binary::get_input_argument): New function.
1791         (Incremental_binary::get_library): New function.
1792         (Incremental_binary::get_script_info): New function.
1793         (Incremental_binary::init_layout): New function.
1794         (Incremental_binary::reserve_layout): New function.
1795         (Incremental_binary::output_file): New function.
1796         (Incremental_binary::do_check_inputs): New function.
1797         (Incremental_binary::do_file_is_unchanged): Remove.
1798         (Incremental_binary::do_file_has_changed): New function.
1799         (Incremental_binary::do_init_layout): New function.
1800         (Incremental_binary::do_reserve_layout): New function.
1801         (Incremental_binary::do_input_file_count): New function.
1802         (Incremental_binary::do_get_input_reader): Change signature.
1803         (Incremental_binary::input_args_map_): New data member.
1804         (Incremental_binary::library_map_): New data member.
1805         (Incremental_binary::script_map_): New data member.
1806         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1807         new data members.
1808         (Sized_incremental_binary::output_section): New function.
1809         (Sized_incremental_binary::inputs_reader): Add const.
1810         (Sized_incremental_binary::symtab_reader): Add const.
1811         (Sized_incremental_binary::relocs_reader): Add const.
1812         (Sized_incremental_binary::got_plt_reader): Add const.
1813         (Sized_incremental_binary::get_symtab_view): New function.
1814         (Sized_incremental_binary::Inputs_reader): New typedef.
1815         (Sized_incremental_binary::Input_entry_reader): New typedef.
1816         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1817         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1818         (Sized_incremental_binary::do_file_has_changed): New function.
1819         (Sized_incremental_binary::do_init_layout): New function.
1820         (Sized_incremental_binary::do_reserve_layout): New function.
1821         (Sized_input_reader::Inputs_reader): Remove.
1822         (Sized_input_reader::Input_entry_reader): Remove.
1823         (Sized_input_reader::do_arg_serial): New function.
1824         (Sized_input_reader::do_get_unused_symbol_count): New function.
1825         (Sized_input_reader::do_get_unused_symbol): New function.
1826         (Sized_incremental_binary::do_input_file_count): New function.
1827         (Sized_incremental_binary::do_get_input_reader): Change signature;
1828         use index instead of filename.
1829         (Sized_incremental_binary::section_map_): New data member.
1830         (Sized_incremental_binary::input_entry_readers_): New data member.
1831         (class Sized_incr_relobj): New class.
1832         (class Sized_incr_dynobj): New class.
1833         (make_sized_incremental_object): New function.
1834         (class Incremental_library): New class.
1835         * layout.cc (Free_list::num_lists): New static data member.
1836         (Free_list::num_nodes): New static data member.
1837         (Free_list::num_removes): New static data member.
1838         (Free_list::num_remove_visits): New static data member.
1839         (Free_list::num_allocates): New static data member.
1840         (Free_list::num_allocate_visits): New static data member.
1841         (Free_list::init): New function.
1842         (Free_list::remove): New function.
1843         (Free_list::allocate): New function.
1844         (Free_list::dump): New function.
1845         (Free_list::print_stats): New function.
1846         (Layout_task_runner::run): Resize output file for incremental updates.
1847         (Layout::Layout): Initialize new data members.
1848         (Layout::set_incremental_base): New function.
1849         (Layout::init_fixed_output_section): New function.
1850         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1851         incremental updates.
1852         (Layout::create_gold_note): Do not create gold note section for
1853         incremental updates.
1854         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1855         for incremental updates.
1856         (Layout::set_section_offsets): For incremental updates, allocate space
1857         from free list.
1858         (Layout::create_symtab_sections): Layout with offsets relative to
1859         start of section; for incremental updates, allocate space from free
1860         list.
1861         (Layout::create_shdrs): For incremental updates, allocate space from
1862         free list.
1863         (Layout::finish_dynamic_section): For incremental updates, do not
1864         check --as-needed (fixed in subsequent patch).
1865         * layout.h (class Free_list): New class.
1866         (Layout::set_incremental_base): New function.
1867         (Layout::incremental_base): New function.
1868         (Layout::init_fixed_output_section): New function.
1869         (Layout::allocate): New function.
1870         (Layout::incremental_base_): New data member.
1871         (Layout::free_list_): New data member.
1872         * main.cc (main): Print Free_list statistics.
1873         * object.cc (Relobj::finalize_incremental_relocs): Add
1874         clear_counts parameter; clear counts only when clear_counts is set.
1875         (Sized_relobj::Sized_relobj): Initialize new base class.
1876         (Sized_relobj::do_layout): Don't report special sections.
1877         (Sized_relobj::do_for_all_local_got_entries): New function.
1878         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1879         symtab_off to all symbol table offsets.
1880         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1881         * object.h (class Got_offset_list): Move to top of file.
1882         (Object::Object): Allow case where input_file == NULL.
1883         (Object::~Object): Likewise.
1884         (Object::input_file): Assert that input_file != NULL.
1885         (Object::lock): Allow case where input_file == NULL.
1886         (Object::unlock): Likewise.
1887         (Object::is_locked): Likewise.
1888         (Object::token): Likewise.
1889         (Object::release): Likewise.
1890         (Object::is_incremental): New function.
1891         (Object::get_mtime): New function.
1892         (Object::for_all_local_got_entries): New function.
1893         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1894         (Object::set_is_in_system_directory): New function.
1895         (Object::is_in_system_directory): New function.
1896         (Object::do_is_incremental): New function.
1897         (Object::do_get_mtime): New function.
1898         (Object::do_for_all_local_got_entries): New function.
1899         (Object::is_in_system_directory_): New data member.
1900         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1901         (class Sized_relobj_base): New class.
1902         (class Sized_relobj): Derive from Sized_relobj_base.
1903         (class Sized_relobj::Symbols): Redeclare from base class.
1904         (class Sized_relobj::local_got_offset_list): Remove.
1905         (class Sized_relobj::Output_sections): Redeclare from base class.
1906         (class Sized_relobj::do_for_all_local_got_entries): New function.
1907         (class Sized_relobj::write_local_symbols): Add offset parameter.
1908         (class Sized_relobj::local_symbol_offset_): Update comment.
1909         (class Sized_relobj::local_dynsym_offset_): Update comment.
1910         * options.cc (Input_arguments::add_file): Remove const.
1911         * options.h (Input_file_argument::Input_file_argument):
1912         Initialize arg_serial_ (all constructors).
1913         (Input_file_argument::set_arg_serial): New function.
1914         (Input_file_argument::arg_serial): New function.
1915         (Input_file_argument::arg_serial_): New data member.
1916         (Input_arguments::Input_arguments): Initialize file_count_.
1917         (Input_arguments::add_file): Remove const.
1918         (Input_arguments::number_of_input_files): New function.
1919         (Input_arguments::file_count_): New data member.
1920         (Command_line::number_of_input_files): Call
1921         Input_arguments::number_of_input_files.
1922         * output.cc (Output_segment_headers::Output_segment_headers):
1923         Set current size.
1924         (Output_section::Input_section::current_data_size): New function.
1925         (Output_section::Output_section): Initialize new data members.
1926         (Output_section::add_input_section): Don't do merge sections for
1927         an incremental link; allocate space from free list for an
1928         incremental update.
1929         (Output_section::add_output_section_data): Allocate space from
1930         free list for an incremental update.
1931         (Output_section::update_data_size): New function.
1932         (Output_section::set_fixed_layout): New function.
1933         (Output_section::reserve): New function.
1934         (Output_segment::set_section_addresses): Remove const.
1935         (Output_segment::set_section_list_addresses): Remove const; allocate
1936         space from free list for an incremental update.
1937         (Output_segment::set_offset): Adjust size of RELRO segment for an
1938         incremental update.
1939         * output.h (Output_data::current_data_size): Move here from
1940         child classes.
1941         (Output_data::pre_finalize_data_size): New function.
1942         (Output_data::update_data_size): New function.
1943         (Output_section_headers::update_data_size): new function.
1944         (Output_section_data_build::current_data_size): Move to Output_data.
1945         (Output_data_strtab::update_data_size): New function.
1946         (Output_section::current_data_size): Move to Output_data.
1947         (Output_section::set_fixed_layout): New function.
1948         (Output_section::has_fixed_layout): New function.
1949         (Output_section::reserve): New function.
1950         (Output_section::update_data_size): New function.
1951         (Output_section::has_fixed_layout_): New data member.
1952         (Output_section::free_list_): New data member.
1953         (Output_segment::set_section_addresses): Remove const.
1954         (Output_segment::set_section_list_addresses): Remove const.
1955         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1956         New function.
1957         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1958         New function.
1959         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1960         parameter when calling Add_symbols constructor; store argument
1961         serial number for members of a lib group.
1962         (Add_symbols::locks): Allow case where token == NULL.
1963         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1964         (Read_member::~Read_member): New function.
1965         (Read_member::is_runnable): New function.
1966         (Read_member::locks): New function.
1967         (Read_member::run): New function.
1968         (Check_script::~Check_script): New function.
1969         (Check_script::is_runnable): New function.
1970         (Check_script::locks): New function.
1971         (Check_script::run): New function.
1972         (Check_library::~Check_library): New function.
1973         (Check_library::is_runnable): New function.
1974         (Check_library::locks): New function.
1975         (Check_library::run): New function.
1976         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1977         (Add_symbols::library_): New data member.
1978         (class Read_member): New class.
1979         (class Check_script): New class.
1980         (class Check_library): New class.
1981         * reloc.cc (Read_relocs::is_runnable): Allow case where
1982         token == NULL.
1983         (Read_relocs::locks): Likewise.
1984         (Scan_relocs::locks): Likewise.
1985         (Relocate_task::locks): Likewise.
1986         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1987         to clear counters.
1988         (Sized_relobj::incremental_relocs_scan): Fix comment.
1989         (Sized_relobj::do_relocate): Pass output file offset to
1990         write_local_symbols.
1991         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1992         from class declaration.
1993         * script.cc (read_input_script): Allocate Script_info; pass
1994         argument serial number to report_script.
1995         * script.h (class Script_info): Move to incremental.h.
1996         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1997         * symtab.h (Symbol_table::add_from_incrobj): New function.
1998         (Symbol_table::set_file_offset): New function.
1999
2000 2011-04-05  Cary Coutant  <ccoutant@google.com>
2001
2002         * incremental-dump.cc (dump_incremental_inputs): Change signature
2003         to take a Sized_incremental_binary; change caller.  Use readers
2004         in Sized_incremental_binary.
2005         * incremental.cc
2006         (Sized_incremental_binary::find_incremental_inputs_sections):
2007         Rename do_find_incremental_inputs_sections to this.
2008         (Sized_incremental_binary::setup_readers): New function.
2009         (Sized_incremental_binary::do_check_inputs): Check
2010         has_incremental_info_ flag; move setup code to setup_readers;
2011         use input readers.
2012         (Sized_incremental_binary::do_file_is_unchanged): New function.
2013         (Sized_incremental_binary::do_get_input_reader): New function.
2014         * incremental.h (class Incremental_binary): Move to end of file.
2015         (Incremental_binary::file_is_unchanged): New function.
2016         (Incremental_binary::do_file_is_unchanged): New function.
2017         (Incremental_binary::Input_reader): New class.
2018         (Incremental_binary::get_input_reader): New function.
2019         (class Sized_incremental_binary): Move to end of file.
2020         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2021         input section reader classes.
2022         (Sized_incremental_binary::has_incremental_info): New function.
2023         (Sized_incremental_binary::inputs_reader): New function.
2024         (Sized_incremental_binary::symtab_reader): New function.
2025         (Sized_incremental_binary::relocs_reader): New function.
2026         (Sized_incremental_binary::got_plt_reader): New function.
2027         (Sized_incremental_binary::do_file_is_unchanged): New function.
2028         (Sized_incremental_binary::Sized_input_reader): New class.
2029         (Sized_incremental_binary::get_input_reader): New function.
2030         (Sized_incremental_binary::find_incremental_inputs_sections):
2031         Rename do_find_incremental_inputs_sections to this.
2032         (Sized_incremental_binary::setup_readers): New function.
2033         (Sized_incremental_binary::has_incremental_info_): New data member.
2034         (Sized_incremental_binary::inputs_reader_): New data member.
2035         (Sized_incremental_binary::symtab_reader_): New data member.
2036         (Sized_incremental_binary::relocs_reader_): New data member.
2037         (Sized_incremental_binary::got_plt_reader_): New data member.
2038         (Sized_incremental_binary::current_input_file_): New data member.
2039
2040 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2041
2042         PR gold/12640
2043         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2044         violation.
2045
2046 2011-03-30  Cary Coutant  <ccoutant@google.com>
2047
2048         * archive.cc (Archive::include_member): Adjust call to report_object.
2049         (Add_archive_symbols::run): Add script_info to call to
2050         report_archive_begin.
2051         (Lib_group::include_member): Adjust call to report_object.
2052         (Add_lib_group_symbols::run): Adjust call to report_object.
2053         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2054         blocks.  Add object count for script input files.
2055         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2056         script_info parameter; change all callers.
2057         (Incremental_inputs::report_object): Add script_info parameter;
2058         change all callers.
2059         (Incremental_inputs::report_script): Store backpointer to
2060         incremental info entry.
2061         (Output_section_incremental_inputs::set_final_data_size): Record
2062         additional information for scripts.
2063         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2064         * incremental.h (Incremental_script_entry::add_object): New function.
2065         (Incremental_script_entry::get_object_count): New function.
2066         (Incremental_script_entry::get_object): New function.
2067         (Incremental_script_entry::objects_): New data member; adjust
2068         constructor.
2069         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2070         (Incremental_inputs::report_object): Add script_info parameter.
2071         (Incremental_inputs_reader::get_object_count): New function.
2072         (Incremental_inputs_reader::get_object_offset): New function.
2073         * options.cc (Input_arguments::add_file): Return reference to
2074         new input argument.
2075         * options.h (Input_argument::set_script_info): New function.
2076         (Input_argument::script_info): New function.
2077         (Input_argument::script_info_): New data member; adjust all
2078         constructors.
2079         (Input_file_group::add_file): Return reference to new input argument.
2080         (Input_file_lib::add_file): Likewise.
2081         (Input_arguments::add_file): Likewise.
2082         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2083         * script.cc (Parser_closure::Parser_closure): Add script_info
2084         parameter; adjust all callers.
2085         (Parser_closure::script_info): New function.
2086         (Parser_closure::script_info_): New data member.
2087         (read_input_script): Report scripts earlier to incremental info.
2088         (script_add_file): Set script_info in Input_argument.
2089         (script_add_library): Likewise.
2090         * script.h (Script_options::Script_info): Rewrite class.
2091
2092 2011-03-29  Cary Coutant  <ccoutant@google.com>
2093
2094         * archive.cc (Library_base::should_include_member): Move
2095         method here from class Archive.
2096         (Archive::Archive): Initialize base class.
2097         (Archive::should_include_member): Move to base class.
2098         (Archive::do_for_all_unused_symbols): New function.
2099         (Add_archive_symbols::run): Remove redundant access to
2100         incremental_inputs.
2101         (Lib_group::Lib_group): Initialize base class.
2102         (Lib_group::do_filename): New function.
2103         (Lib_group::include_member): Pass pointer to Lib_group to
2104         report_object.
2105         (Lib_group::do_for_all_unused_symbols): New function.
2106         (Add_lib_group_symbols::run): Report archive information for
2107         incremental links.
2108         * archive.h (class Library_base): New base class.
2109         (class Archive): Derive from Library_base.
2110         (Archive::filename): Move to base class.
2111         (Archive::set_incremental_info): Likewise.
2112         (Archive::incremental_info): Likewise.
2113         (Archive::Should_include): Likewise.
2114         (Archive::should_include_member): Likewise.
2115         (Archive::Armap_entry): Remove.
2116         (Archive::Unused_symbol_iterator): Remove.
2117         (Archive::unused_symbols_begin): Remove.
2118         (Archive::unused_symbols_end): Remove.
2119         (Archive::do_filename): New function.
2120         (Archive::do_get_mtime): New function.
2121         (Archive::do_for_all_unused_symbols): New function.
2122         (Archive::task_): Move to base class.
2123         (Archive::incremental_info_): Likewise.
2124         (class Lib_group): Derive from Library_base.
2125         (Lib_group::do_filename): New function.
2126         (Lib_group::do_get_mtime): New function.
2127         (Lib_group::do_for_all_unused_symbols): New function.
2128         (Lib_group::task_): Move to base class.
2129         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2130         function.
2131         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2132         function.
2133         * incremental.cc (Incremental_inputs::report_archive_begin):
2134         Use Library_base; call library's get_mtime; add incremental inputs
2135         entry before members.
2136         (class Unused_symbol_visitor): New class.
2137         (Incremental_inputs::report_archive_end): Use Library_base; use
2138         visitor class to record unused symbols; don't add incremental inputs
2139         entry after members.
2140         (Incremental_inputs::report_object): Use Library_base.
2141         * incremental.h
2142         (Incremental_archive_entry::Incremental_archive_entry): Remove
2143         unused Archive parameter.
2144         (Incremental_inputs::report_archive_begin): Use Library_base.
2145         (Incremental_inputs::report_archive_end): Likewise.
2146         (Incremental_inputs::report_object): Likewise.
2147         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2148         function.
2149         * object.h (Object::for_all_global_symbols): New function.
2150         (Object::do_for_all_global_symbols): New function.
2151         (Sized_relobj::do_for_all_global_symbols): New function.
2152         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2153         function.
2154         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2155         function.
2156
2157 2011-03-27  Ian Lance Taylor  <iant@google.com>
2158
2159         * archive.cc (Archive::interpret_header): Return -1 if something
2160         goes wrong.  Change callers accordingly.
2161
2162 2011-03-25  Cary Coutant  <ccoutant@google.com>
2163
2164         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2165         * testsuite/Makefile.in: Regenerate.
2166
2167 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2168
2169         * plugin.cc (get_view): New.
2170         (Plugin::load): Pass get_view to the plugin.
2171         (Plugin_manager::get_view): New.
2172
2173 2011-03-21  Ian Lance Taylor  <iant@google.com>
2174
2175         * testsuite/final_layout.sh: Rewrite to not use dc.
2176         * testsuite/relro_test.sh: Fail if dc is not present.
2177
2178 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2179
2180         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2181         Change == to -eq.
2182         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2183         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2184         Change == to -eq.
2185         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2186         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2187
2188 2011-03-14  Ian Lance Taylor  <iant@google.com>
2189
2190         * script-sections.cc (Sort_output_sections::script_compare):
2191         Rename from is_before, change return type.
2192         (Sort_output_sections::operator()): Adjust accordingly.
2193
2194 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2195
2196         PR gold/12572
2197         * testsuite/odr_violation2.cc: Add comment to make all error line
2198         numbers double digits.
2199         * testsuite/debug_msg.sh: Adjust expected errors.
2200
2201 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2202
2203         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2204         but mark earlier ones as non-canonical
2205         (offset_to_iterator): Update search target and example
2206         (do_addr2line): Return extra lines in a vector*
2207         (format_file_lineno): Extract from do_addr2line
2208         (one_addr2line): Add vector* out-param
2209         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2210         when a lineno entry appeared last for its instruction
2211         (Dwarf_line_info): Add vector* out-param
2212         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2213         * symtab.cc (Odr_violation_compare): Include the lineno in the
2214         comparison again.
2215         (linenos_from_loc): New. Combine the canonical line for an
2216         address with its other lines.
2217         (True_if_intersect): New. Helper functor to make
2218         std::set_intersection a query.
2219         (detect_odr_violations): Compare sets of lines instead of just
2220         one line for each function. This became less deterministic, but
2221         has fewer false positives.
2222         * symtab.h: Declarations.
2223         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2224         mix an optimized and non-optimized object in the same binary
2225         (odr_violation2.so): Same.
2226         * testsuite/Makefile.in: Regenerate from Makefile.am.
2227         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2228         * testsuite/debug_msg.sh: Update line numbers and add
2229         assertions.
2230         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2231         non-optimized context.
2232         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2233         isn't inlined, and use OdrDerived in an optimized context.
2234         * testsuite/odr_header1.h: Defines OdrDerived, where
2235         optimization will change the
2236         first-instruction-in-the-destructor's file and line number.
2237         * testsuite/odr_header2.h: Defines OdrBase.
2238
2239 2011-03-09  Ian Lance Taylor  <iant@google.com>
2240
2241         * fileread.cc (File_read::clear_views): Don't delete the whole
2242         file view.
2243
2244 2011-03-08  Ian Lance Taylor  <iant@google.com>
2245
2246         PR gold/12525
2247         * fileread.cc: #include <climits>.
2248         (GOLD_IOV_MAX): Define.
2249         (File_read::read_multiple): Limit number of entries by iov_max.
2250         * fileread.h (class File_read): Always set max_readv_entries to
2251         128.
2252
2253 2011-03-07  Ian Lance Taylor  <iant@google.com>
2254
2255         PR gold/12525
2256         * options.h (class General_options): Add -dy and -dn.
2257
2258 2011-03-02  Cary Coutant  <ccoutant@google.com>
2259
2260         * testsuite/script_test_9.t: Add TLS segment.
2261
2262 2011-03-02  Simon Baldwin  <simonb@google.com>
2263
2264         * configure.ac: Add check for gnu_indirect_function support in
2265         the toolchain building binutils.
2266         * configure: Rebuild.
2267
2268 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2269
2270         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2271         plugin only symbols.
2272         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2273         in plugin files as not needed in the symbol table.
2274
2275 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2276
2277         * output.cc (Output_section::add_input_section): Delay fill
2278         generation for section ordering.
2279
2280 2011-02-09  Ian Lance Taylor  <iant@google.com>
2281
2282         PR gold/12316
2283         * object.h (class Sized_relobj): Remove clear_local_symbols.
2284         * reloc.cc (Sized_relobj::do_relocate): Don't call
2285         clear_local_symbols.
2286
2287 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2288
2289         * plugin.cc (is_visible_from_outside): Return true for symbols
2290         in the -u option.
2291
2292 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2293
2294         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2295         filename.
2296
2297 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2298
2299         * icf.h (is_section_foldable_candidate): Change type of parameter
2300         to std::string.
2301         * icf.cc (Icf::find_identical_sections): Change type of local variable
2302         section_name to be std::string.
2303         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2304
2305 2011-01-25  Ian Lance Taylor  <iant@google.com>
2306
2307         * script.cc (script_add_extern): Rewrite to use
2308         add_symbol_reference.
2309
2310 2011-01-25  Doug Kwan  <dougkwan@google.com>
2311
2312         * icf.cc (get_section_contents): Always lock section's object.
2313
2314 2011-01-24  Ian Lance Taylor  <iant@google.com>
2315
2316         * options.h (class General_options): Accept
2317         --no-detect-odr-violations.
2318
2319 2011-01-24  Ian Lance Taylor  <iant@google.com>
2320
2321         * version.cc (version_string): Bump to 1.11.
2322
2323 2011-01-24  Ian Lance Taylor  <iant@google.com>
2324
2325         * plugin.cc (class Plugin_rescan): Define new class.
2326         (Plugin_manager::claim_file): Set any_claimed_.
2327         (Plugin_manager::save_archive): New function.
2328         (Plugin_manager::save_input_group): New function.
2329         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2330         necessary.
2331         (Plugin_manager::new_undefined_symbol): New function.
2332         (Plugin_manager::rescan): New function.
2333         (Plugin_manager::rescannable_defines): New function.
2334         (Plugin_manager::add_input_file): Set any_added_.
2335         * plugin.h (class Plugin_manager): define new fields rescannable_,
2336         undefined_symbols_, any_claimed_, and any_added_.  Declare
2337         Plugin_rescan as friend.  Declare new functions.
2338         (Plugin_manager::Rescannable): Define type.
2339         (Plugin_manager::Rescannable_list): Define type.
2340         (Plugin_manager::Undefined_symbol_list): Define type.
2341         (Plugin_manager::Plugin_manager): Initialize new fields.
2342         * archive.cc (Archive::defines_symbol): New function.
2343         (Add_archive_symbols::run): Pass archive to plugins if any.
2344         * archive.h (class Archive): Declare defines_symbol.
2345         * readsyms.cc (Input_group::~Input_group): New function.
2346         (Finish_group::run): Pass input_group to plugins if any.
2347         * readsyms.h (class Input_group): Declare destructor.
2348         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2349         any.
2350
2351 2011-01-10  Ian Lance Taylor  <iant@google.com>
2352
2353         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2354         section as relro.
2355         (Layout::set_segment_offsets): Reset increase_relro before calling
2356         set_section_addresses a second time.
2357
2358 2011-01-04  Cary Coutant  <ccoutant@google.com>
2359
2360         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2361         sections before NOBITS sections.
2362
2363 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2364
2365         * version.cc (print_version): Update copyright to 2011.
2366
2367 2010-12-23  Cary Coutant  <ccoutant@google.com>
2368
2369         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2370         of OS to this->add.  Add OD parameter to second form of the function.
2371
2372 2010-12-20  Ian Lance Taylor  <iant@google.com>
2373
2374         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2375         second of two consecutive entries with same offset.
2376
2377 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2378
2379         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2380         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2381         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2382         to avoid unneeded links against $(LDADD).
2383         * testsuite/Makefile.in: Regenerate.
2384
2385 2010-12-15  Ian Lance Taylor  <iant@google.com>
2386
2387         PR gold/12324
2388         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2389         for R_X86_64_32 and R_X86_64_PC32.
2390         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2391         ver_matching_def_pic.o.
2392         (ver_matching_def_pic.o): New target.
2393
2394 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2395
2396         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2397         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2398         Move definition before File_read::View member definitions.
2399         (File_read::View::~View): Initialize and hold lock before
2400         updating current_mapped_bytes.
2401
2402 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2403
2404         * dwarf_reader.cc: Remove outdated comment.
2405         * gold-threads.cc: Fix typo in error message.
2406         * archive.cc: Fix typos in comments.
2407         * archive.h: Likewise.
2408         * arm-reloc-property.cc: Likewise.
2409         * arm-reloc-property.h: Likewise.
2410         * arm-reloc.def: Likewise.
2411         * arm.cc: Likewise.
2412         * attributes.h: Likewise.
2413         * cref.cc: Likewise.
2414         * ehframe.cc: Likewise.
2415         * fileread.h: Likewise.
2416         * gold.h: Likewise.
2417         * i386.cc: Likewise.
2418         * icf.cc: Likewise.
2419         * incremental.h: Likewise.
2420         * int_encoding.cc: Likewise.
2421         * layout.h: Likewise.
2422         * main.cc: Likewise.
2423         * merge.h: Likewise.
2424         * object.cc: Likewise.
2425         * object.h: Likewise.
2426         * options.cc: Likewise.
2427         * readsyms.cc: Likewise.
2428         * reduced_debug_output.cc: Likewise.
2429         * reloc.cc: Likewise.
2430         * script-sections.cc: Likewise.
2431         * sparc.cc: Likewise.
2432         * symtab.h: Likewise.
2433         * target-reloc.h: Likewise.
2434         * target.cc: Likewise.
2435         * target.h: Likewise.
2436         * timer.cc: Likewise.
2437         * timer.h: Likewise.
2438         * x86_64.cc: Likewise.
2439
2440 2010-12-09  Cary Coutant  <ccoutant@google.com>
2441
2442         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2443         stack.
2444         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2445         parameter; change all callers.
2446         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2447         * options.h (warn_execstack): New option.
2448
2449 2010-12-07  Doug Kwan  <dougkwan@google.com>
2450
2451         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2452         like function call relocations.
2453
2454 2010-12-07  Ian Lance Taylor  <iant@google.com>
2455
2456         * archive.cc (Archive::get_elf_object_for_member): Permit
2457         punconfigured to be NULL.
2458         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2459         (Archive::include_member): Pass NULL to get_elf_object_for_member
2460         if we searched for the archive and this is the first included
2461         object.
2462
2463 2010-12-01  Ian Lance Taylor  <iant@google.com>
2464
2465         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2466         track_relocs_type_ field.
2467         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2468         Set track_relocs_type_.
2469         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2470         contents when using RELA relocs.
2471         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2472         reloc_map_.
2473         * reloc.cc (Track_relocs::next_addend): New function.
2474         * reloc.h (class Track_relocs): Declare next_addend.
2475
2476 2010-12-01  Ian Lance Taylor  <iant@google.com>
2477
2478         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2479         virtual destructor.
2480
2481 2010-12-01  Ian Lance Taylor  <iant@google.com>
2482
2483         * README: Update compilers known to work and fail.
2484
2485 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2486
2487         * configure.in: For --enable-gold, handle value `default' instead of
2488         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2489         not the default.
2490         * configure: Regenerate.
2491
2492 2010-11-18  Doug Kwan  <dougkwan@google.com>
2493
2494         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2495         and right_alignment to be zero.  Store result alignment only if it is
2496         greater than existing alignment.
2497
2498 2010-11-16  Cary Coutant  <ccoutant@google.com>
2499
2500         PR gold/12220
2501         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2502         Check for ".zdebug_line".
2503
2504 2010-11-16  Doug Kwan  <dougkwan@google.com>
2505             Cary Coutant  <ccoutant@google.com>
2506
2507         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2508         by reference; adjust all callers.
2509         * output.cc (Output_segment::set_section_addresses): Adjust references
2510         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2511         list is empty.
2512         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2513         end at page boundary.
2514
2515 2010-11-16  Cary Coutant  <ccoutant@google.com>
2516
2517         PR gold/12220
2518         * layout.cc (Layout::choose_output_section): Transform names of
2519         compressed sections even when using a script with a SECTIONS clause.
2520         (Layout::output_section_name): Remove code to transform
2521         compressed debug section names.
2522         * output.cc (Output_section::add_input_section): Use uncompressed
2523         section size when tracking input sections.
2524
2525 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2526
2527         * symtab.h (Symbol::NON_PIC_REF): Remove.
2528         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2529         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2530         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2531         (Symbol::use_plt_offset): Take a flags argument and pass it
2532         directly to needs_dynamic_reloc.  Restrict check for undefined
2533         weak symbols to function calls.
2534         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2535         (Target_arm::Scan::global): Use it.
2536         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2537         (Target_arm::Relocate::relocate): Likewise.
2538         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2539         parameter with an r_type parameter.  Use get_reference_flags
2540         to get the flags.
2541         (Target_arm::Relocate::relocate): Update accordingly.
2542         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2543         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2544         (Target_i386::Scan::global): Likewise.
2545         (Target_i386::Relocate::relocate): Likewise.
2546         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2547         parameter with an r_type parameter.  Use get_reference_flags
2548         to get the flags.
2549         (Target_i386::Relocate::relocate): Update accordingly.
2550         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2551         (Target_powerpc::Scan::global): Use it.
2552         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2553         (Target_powerpc::Relocate::relocate): Likewise.
2554         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2555         (Target_sparc::Scan::global): Use it.
2556         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2557         (Target_sparc::Relocate::relocate): Likewise.
2558         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2559         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2560         (Target_x86_64::Scan::global): Likewise.
2561         (Target_x86_64::Relocate::relocate): Likewise.
2562
2563 2010-11-08  Doug Kwan  <dougkwan@google.com>
2564             Cary Coutant  <ccoutant@google.com>
2565
2566         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2567         (Arm_exidx_merge_section::section_contents_): New data member.
2568         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2569         (Arm_input_section::~Arm_input_section): De-allocate memory.
2570         (Arm_input_section::original_contents_): New data member.
2571         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2572         in parameters instead of calling Object::section_contents without
2573         locking.
2574         (Arm_output_section::group_section): New parameter TASK.  Pass it
2575         to callees that need locking objects.
2576         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2577         to lock EXIDX input sections.  Fix a formatting issue.  Call
2578         Arm_exidx_merged_section::build_contents to create merged section
2579         contents.
2580         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2581         to lock object of stub table owner.
2582         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2583         TEXT_SIZE to initialize data member TEXT_SIZE_.
2584         (Arm_exidx_input_section::addralign): Fix typo in comment.
2585         (Arm_exidx_input_section::text_size): New method.
2586         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2587         that require locking objects.  Lock objects before scanning for stubs
2588         and updating local symbols.
2589         (Arm_input_section<big_endian>::init): Copy contents of original
2590         input section.
2591         (Arm_input_section<big_endian>::do_write): Use saved contents of
2592         original input section instead of calling Object::section_contents
2593         without locking.
2594         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2595         size without calling Object::section_size().
2596         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2597         for size.  Allocate a buffer for merged EXIDX entries.
2598         (Arm_exidx_merged_section::build_contents): New method.
2599         (Arm_exidx_merged_section::do_write): Move merge section contents
2600         building code to Arm_exidx_merged_section::build_contetns.  Write
2601         out contetns in buffer instead of building it on the fly.
2602         (Arm_relobj::make_exidx_input_section): Also pass text section size
2603         to Arm_exidx_input_section constructor.
2604         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2605         (Arm_dynobj::do_read_symbols): Fix memory leak.
2606         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2607         * target.h: (class Task): Add forward declaration.
2608         (Target::relax): Add new parameter TASK and pass it to
2609         Target::do_relax().
2610         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2611
2612 2010-11-05  Cary Coutant  <ccoutant@google.com>
2613
2614         PR gold/10708
2615         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2616         object when reading from the file.
2617         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2618         second layout pass.
2619         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2620         when reading section contents.
2621         (get_section_contents): Likewise.
2622         (icf::find_identical_sections): Likewise.
2623         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2624         object when reading from the file.
2625         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2626         the object when doing deferred section layout.
2627
2628 2010-11-03  Nick Clifton  <nickc@redhat.com>
2629
2630         PR gold/12001
2631         * script.h (class Symbol_assignment: name): New member.  Returns
2632         the name of the symbol.
2633         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2634         Returns true if the given symbol name is on the list of
2635         assignments wating to be processed.
2636         * archive.cc (should_incldue_member): If the symbol is undefined,
2637         check to see if it is on the list of symbols pending assignment.
2638
2639 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2640
2641         * script-sections.cc (Script_sections::find_memory_region): Check
2642         for a NULL output section pointer.
2643
2644 2010-10-29  Doug Kwan  <dougkwan@google.com>
2645
2646         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2647         Output_section::add_relaxed_input_section.
2648         * output.cc (Output_section::add_relaxed_input_section): Add new
2649         arguments LAYOUT and NAME.  Set section order index.
2650         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2651         Copy section order index.
2652         * output.h (Output_section::add_relaxed_input_section): Add new
2653         arguments LAYOUT and NAME.
2654
2655 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2656
2657         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2658         NATIVE_OR_CROSS_LINKER.
2659         * testsuite/Makefile.in: Regenerate.
2660
2661 2010-10-20  Doug Kwan  <dougkwan@google.com>
2662
2663         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2664         without SHF_LINK_ORDER flags.
2665         * layout.cc (Layout::choose_output_section): Do not filter
2666         SHF_LINK_ORDER flag in a relocatable link.
2667
2668 2010-10-17  Cary Coutant  <ccoutant@google.com>
2669
2670         * output.h (Output_segment::set_section_addresses): Change function
2671         signature.  Update all callers.
2672         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2673         sections.
2674         (Output_segment::set_section_addresses): Align after last TLS
2675         section.  Add padding before last relro section instead of after.
2676
2677 2010-10-17  Doug Kwan  <dougkwan@google.com>
2678
2679         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2680         GOT output section to be writable.
2681
2682 2010-10-14  Cary Coutant  <ccoutant@google.com>
2683
2684         * debug.h (DEBUG_INCREMENTAL): New flag.
2685         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2686         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2687         mode.
2688         * incremental.cc (report_command_line): Ignore all forms of
2689         --incremental.
2690         * layout.cc (Layout::Layout): Check parameters for incremental link
2691         mode.
2692         * options.cc (General_options::parse_incremental): New function.
2693         (General_options::parse_no_incremental): New function.
2694         (General_options::parse_incremental_full): New function.
2695         (General_options::parse_incremental_update): New function.
2696         (General_options::incremental_mode_): New data member.
2697         (General_options::finalize): Check incremental_mode_.
2698         * options.h (General_options): Update help text for --incremental.
2699         Add --no-incremental, --incremental-full, --incremental-update.
2700         (General_options::Incremental_mode): New enum type.
2701         (General_options::incremental_mode): New function.
2702         (General_options::incremental_mode_): New data member.
2703         * parameters.cc (Parameters::incremental_mode_): New data member.
2704         (Parameters::set_options): Set incremental_mode_.
2705         (Parameters::set_incremental_full): New function.
2706         (Parameters::incremental): New function.
2707         (Parameters::incremental_update): New function.
2708         (set_parameters_incremental_full): New function.
2709         * parameters.h (Parameters::set_incremental_full): New function.
2710         (Parameters::incremental): New function.
2711         (Parameters::incremental_update): New function.
2712         (Parameters::incremental_mode_): New data member.
2713         (set_parameters_incremental_full): New function.
2714         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2715         incremental link mode.
2716         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2717         (Sized_relobj::do_relocate_sections): Likewise.
2718         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2719         option.
2720         * testsuite/Makefile.in: Regenerate.
2721         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2722
2723 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2724
2725         * script-sections.h (class Script_sections): Make
2726         Sections_elements typedef public.
2727         * script-sections.cc (class Sort_output_sections): Add elements_
2728         field.  Add constructor which sets it; change all callers.
2729         (Sort_output_sections::is_before): New function.
2730         (Sort_output_sections::operator()): Call is_before.
2731         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2732         conditional.
2733         * testsuite/script_test_10.sh: New test. Test script section
2734         order.
2735         * testsuite/script_test_10.t: Likewise.
2736         * testsuite/script_test_10.s: Likewise.
2737         * testsuite/Makefile.am: Wrap the cross linker tests and the
2738         common tests into NATIVE_OR_CROSS_LINKER.
2739         (check_SCRIPTS): Add script_test_10.sh.
2740         (check_DATA): Add script_test_10.stdout.
2741         (script_test_10.o, script_test_10): New targets.
2742         (script_test_10.stdout): New target.
2743         * configure, testsuite/Makefile.in: Regenerate.
2744
2745 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2746
2747         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2748         error for the deprecated relocations.
2749         (Target_arm::Scan::global): Likewise.
2750         (Target_arm::Relocate::relocate): Likewise.
2751
2752 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2753
2754         * fileread.cc (Input_file::find_file): Initialize *found_name
2755         and *namep when using the fallback search for case 4.
2756
2757 2010-10-11  Cary Coutant  <ccoutant@google.com>
2758
2759         * options.h (class General_options): Redefine -z lazy as an alias for
2760         the negation of -z now.
2761
2762 2010-10-11  Ian Lance Taylor  <iant@google.com>
2763
2764         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2765         binding.
2766
2767 2010-10-06  Nick Clifton  <nickc@redhat.com>
2768
2769         * script-sections.cc(class Memory_region): Remove
2770         current_lma_offset_ field.  Rename current_vma_offset_ to
2771         current_offset_.  Add last_section_ field.
2772         (Memory_region::get_current_vma_address): Rename to
2773         get_current_address.
2774         (Memory_region::get_current_lma_address): Delete.
2775         (Memory_region::increment_vma_offset): Rename to
2776         increment_offset.
2777         (Memory_region::increment_lma_offset): Delete.
2778         (Memory_region::attributes_compatible): New method.  Returns
2779         true if the provided section is compatible with the region.
2780         (Memory_region::get_last_section): New method.  Returns the last
2781         section to use the region.
2782         (Memory_region::set_last_section): New method.  Stores the last
2783         section to use the region.
2784         (Script_sections::block_in_region): New method.  Returns true if
2785         a block of memory is contained within a region.
2786         (Script_sections::find_memory_region): New method.  Locates a
2787         memory region to be used to set a VMA or LMA address.
2788         (Output_section_definition::set_section_addresses): Add code to
2789         check for addresses set by memory regions.
2790         (Output_segment::set_section_addresses): Remove memory region
2791         walking code.
2792         (Script_sections::create_segment): Add a warning if a header
2793         segment is created outside of any region.
2794         * script-sections.h (class Script_sections): Add prototypes for
2795         find_memory_region and block_in_region methods.
2796         * testsuite/memory_test.s: Use .long instead of .word.
2797         * testsuite/memory_test.t: Add some more output sections.
2798         * testsuite/memory_test.sh: Update expected output.
2799
2800 2010-10-02  Doug Kwan  <dougkwan@google.com>
2801
2802         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2803         defintion to symtab.h
2804         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2805         declaration to defintion.
2806
2807 2010-10-01  Nick Clifton  <nickc@redhat.com>
2808
2809         * expression.cc (eval): Replace dummy argument with NULL.
2810         (eval_maybe_dot): Check for a NULL result section pointer.
2811         (Symbol_expression::value): Likewise.
2812         (Dot_expression::value): Likewise.
2813         (BINARY_EXPRESSION): Likewise.
2814         (Max_expression::value): Likewise.
2815         (Min_expression::value): Likewise.
2816         (Absolute_expression::value): Likewise.
2817         (Addr_expression::value_from_output_section): Likewise.
2818         (Loaddddr_expression::value_from_output_section): Likewise.
2819         (Segment_start_expression::value): Likewise.
2820         * script-sections.cc
2821         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2822         argument with NULL.
2823         (Sections_elememt_dot_assignment::set_section_addresses):
2824         Likewise.
2825         (Output_data_expression::do_write_to_buffer): Likewise.
2826         (Output_section_definition::finalize_symbols): Likewise.
2827         (Output_section_definition::set_section_addresses): Likewise.
2828
2829 2010-09-30  Doug Kwan  <dougkwan@google.com>
2830
2831         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2832
2833 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2834
2835         * target.h (Target::can_icf_inline_merge_sections): New virtual
2836         function.
2837         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2838         virtual function.
2839         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2840         virtual function.
2841         * icf.cc (get_section_contents): Inline merge sections only when
2842         target allows it.
2843
2844 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2845
2846         * configure: Regenerate.
2847
2848 2010-09-17  Ian Lance Taylor  <iant@google.com>
2849
2850         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2851         * testsuite/Makefile.am (memory_test.o): New target.
2852         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2853         memory_test.t.
2854         * testsuite/Makefile.in: Rebuild.
2855
2856 2010-09-17  Doug Kwan  <dougkwan@google.com>
2857
2858         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2859         defintion if relocation uses GOT entries of the symbol.
2860         * testsuite/icf_safe_test.sh: Fix test.
2861         * testsuite/icf_safe_so_test.sh: Fix test.
2862
2863 2010-09-16  Cary Coutant  <ccoutant@google.com>
2864
2865         * script_sections.cc (class Memory_region): Remove "NULL" from
2866         vector initializations.
2867
2868 2010-09-15  Cary Coutant  <ccoutant@google.com>
2869
2870         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2871         Resolve forwarding symbols.
2872
2873 2010-09-15  Doug Kwan  <dougkwan@google.com>
2874
2875         * gold/testsuite/script_test_3.t: Add ARM special sections.
2876         * gold/testsuite/script_test_4.t: Same.
2877         * gold/testsuite/script_test_5.t: Same.
2878         * gold/testsuite/script_test_6.t: Same.
2879         * gold/testsuite/script_test_7.t: Same.
2880         * gold/testsuite/script_test_7.t: Same.
2881         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2882
2883 2010-09-14  Cary Coutant  <ccoutant@google.com>
2884
2885         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2886         (Target_x86_64::Relocate::relocate_tls): Replace check for
2887         saw_tls_block_reloc_ with test for executable section.
2888
2889 2010-09-12  Cary Coutant  <ccoutant@google.com>
2890
2891         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2892         position-independent executables to shared libraries need dynamic
2893         relocations.
2894         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2895         position-independent executables.
2896         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2897         * testsuite/Makefile.in: Regenerate.
2898
2899 2010-09-10  Nick Clifton  <nickc@redhat.com>
2900
2901         PR gold/11997
2902         * testsuite/memory_test.t: Discard any sections that are not
2903         needed.
2904
2905 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2906
2907         PR gold/11996
2908         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2909         "This::" to work around a bug in gcc 4.2.
2910
2911         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2912
2913 2010-09-09  Rafael Espindola  <espindola@google.com>
2914
2915         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2916         sections with different PF_X flags in the same segment.
2917         (Layout::find_first_load_seg): Search all segments to find the first
2918         one.
2919         * options.h (rosegment): New.
2920
2921 2010-09-08  Rafael Espindola  <espindola@google.com>
2922
2923         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2924
2925 2010-09-08  Doug Kwan  <dougkwan@google.com>
2926
2927         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2928         (Arm_relobj::do_relocate_sections): Add new parameter for output
2929         file to match the parent.
2930         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2931         of local symbols instead of input values.  Update code to track
2932         changes in gold::relocate_section.
2933         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2934         (Sized_relobj::compute_final_local_value_internal): New methods.
2935         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2936         body into private version of Sized_relobj::compute_final_local_value.
2937         Call the inline method.
2938         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2939         merged symbol value if there is one.
2940         (Symbol_value::has_output_value): New method defintiion.
2941         (Sized_relobj::Compute_final_local_value_status): New enum type.
2942         (Sized_relobj::compute_final_local_value): New methods.
2943         (Sized_relobj::compute_final_local_value_internal): New methods.
2944         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2945         and arm_cortex_a8.sh.
2946         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2947         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2948         New tests.
2949         * Makefile.in: Regenerate.
2950         * testsuite/arm_bl_out_of_range.s: Update test.
2951         * testsuite/thumb_bl_out_of_range.s: Ditto.
2952         * testsuite/thumb_blx_out_of_range.s: Ditto.
2953         * testsuite/arm_branch_out_of_range.sh: New file.
2954         * testsuite/arm_cortex_a8.sh: Ditto.
2955         * testsuite/arm_cortex_a8_b.s: Ditto.
2956         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2957         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2958         * testsuite/arm_cortex_a8_bl.s: Ditto.
2959         * testsuite/arm_cortex_a8_blx.s: Ditto.
2960         * testsuite/arm_cortex_a8_local.s: Ditto.
2961         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2962         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2963
2964 2010-09-08  Rafael Espindola  <espindola@google.com>
2965
2966         * Makefile.am (memory_test.stdout): Run readelf with -W.
2967         * Makefile.in: Regenerate.
2968         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2969         64 bit output.
2970
2971 2010-09-08  Rafael Espindola  <espindola@google.com>
2972
2973         * script-sections.cc (Script_sections::add_memory_region): Convert
2974         field precision to int.
2975         * script.cc (script_set_section_region, script_set_section_region):
2976         Convert field precision to int.
2977
2978 2010-09-08  Rafael Espindola  <espindola@google.com>
2979
2980         * arm.cc (do_finalize_sections): Create the __exidx_start and
2981         __exdix_end symbols even when the section is missing.
2982
2983 2010-09-08  Nick Clifton  <nickc@redhat.com>
2984
2985         * README: Remove claim that MEMORY is not supported.
2986         * expression.cc (script_exp_function_origin)
2987         (script_exp_function_length): Move from here to ...
2988         * script.cc: ... here.
2989         (script_set_section_region, script_add_memory)
2990         (script_parse_memory_attr, script_include_directive): New
2991         functions.
2992         * script-sections.cc
2993         (class Memory_region): New class.
2994         (class Output_section_definition): Add set_memory_region,
2995         set_section_vma, set_section_lma and get_section_name methods.
2996         (class Script_Sections): Add add_memory_region,
2997         find_memory_region, find_memory_region_origin,
2998         find_memory_region_length and set_memory_region methods.
2999         Have set_section_addresses method walk the list of set memory
3000         regions.
3001         Extend the print methos to display memory regions.
3002         * script-sections.h: Add prototypes for new methods.
3003         Add enum for MEMORY region attributes.
3004         * yyscript.y: Add support for parsing MEMORY regions.
3005         * script-c.h: Add prototypes for new functions.
3006         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3007         * testsuite/Makefile.in: Regenerate.
3008         * testsuite/memory_test.sh: New script.
3009         * testsuite/memory_test.s: New assembler source file.
3010         * testsuite/memory_test.t: New linker script.
3011
3012 2010-08-27  Doug Kwan  <dougkwan@google.com>
3013
3014         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3015         reference override an existing dynamic weak reference.
3016         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3017         * testsuite/Makefile.in: Regenerate.
3018         * testsuite/dyn_weak_ref.sh: New file.
3019         * testsuite/dyn_weak_ref_1.c: Ditto.
3020         * testsuite/dyn_weak_ref_2.c: Ditto.
3021
3022 2010-08-27  Ian Lance Taylor  <iant@google.com>
3023
3024         * incremental.h (class Incremental_input_entry): Add virtual
3025         destructor.
3026
3027 2010-08-27  Ian Lance Taylor  <iant@google.com>
3028
3029         * testsuite/start_lib_test_3.c: Mark t3 as used.
3030
3031 2010-08-27  Nick Clifton  <nickc@redhat.com>
3032
3033         * options.cc (version_script): Fix small typo in previous
3034         whitespace tidyup.
3035
3036 2010-08-25  Nick Clifton  <nickc@redhat.com>
3037
3038         * archive.cc: Formatting fixes: Remove whitespace between
3039         typename and following asterisk.  Remove whitespace between
3040         function name and opening parenthesis.
3041         * archive.h: Likewise.
3042         * arm.cc: Likewise.
3043         * attributes.cc: Likewise.
3044         * attributes.h: Likewise.
3045         * common.cc: Likewise.
3046         * copy-relocs.cc: Likewise.
3047         * dirsearch.h: Likewise.
3048         * dynobj.cc: Likewise.
3049         * ehframe.cc: Likewise.
3050         * ehframe.h: Likewise.
3051         * expression.cc: Likewise.
3052         * fileread.cc: Likewise.
3053         * fileread.h: Likewise.
3054         * gc.h: Likewise.
3055         * gold-threads.cc: Likewise.
3056         * gold.cc: Likewise.
3057         * i386.cc: Likewise.
3058         * icf.h: Likewise.
3059         * incremental-dump.cc: Likewise.
3060         * incremental.cc: Likewise.
3061         * layout.cc: Likewise.
3062         * layout.h: Likewise.
3063         * main.cc: Likewise.
3064         * merge.cc: Likewise.
3065         * merge.h: Likewise.
3066         * object.cc: Likewise.
3067         * object.h: Likewise.
3068         * options.cc: Likewise.
3069         * options.h: Likewise.
3070         * output.cc: Likewise.
3071         * output.h: Likewise.
3072         * plugin.cc: Likewise.
3073         * plugin.h: Likewise.
3074         * powerpc.cc: Likewise.
3075         * reloc.cc: Likewise.
3076         * script-c.h: Likewise.
3077         * script-sections.cc: Likewise.
3078         * script.cc: Likewise.
3079         * stringpool.cc: Likewise.
3080         * symtab.cc: Likewise.
3081         * symtab.h: Likewise.
3082         * target.cc: Likewise.
3083         * timer.cc: Likewise.
3084         * timer.h: Likewise.
3085         * version.cc: Likewise.
3086         * x86_64.cc: Likewise.
3087
3088 2010-08-24  Nick Clifton  <nickc@redhat.com>
3089
3090         PR 11899
3091         * layout.cc (segment_precedes): Sort segments by their physical
3092         addresses, if they have been set.
3093
3094 2010-08-23  Cary Coutant  <ccoutant@google.com>
3095
3096         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3097         symbols data.
3098         (Lib_group::include_member): Unlock object after deleting its
3099         symbols data.
3100         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3101         the bug fixed here.
3102
3103 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3104             Cary Coutant  <ccoutant@google.com>
3105
3106         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3107         constructor, and set_blocker.
3108         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3109         readsyms_blocker_.
3110         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3111         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3112         * testsuite/Makefile.am (start_lib_test): New test case.
3113         * testsuite/Makefile.in: Regenerate.
3114         * testsuite/start_lib_test_main.c: New file.
3115         * testsuite/start_lib_test_1.c: New file.
3116         * testsuite/start_lib_test_2.c: New file.
3117         * testsuite/start_lib_test_3.c: New file.
3118
3119 2010-08-19  Ian Lance Taylor  <iant@google.com>
3120
3121         * Makefile.in: Rebuild with automake 1.11.1.
3122         * aclocal.m4: Likewise.
3123         * testsuite/Makefile.in: Likewise.
3124
3125 2010-08-19  Ian Lance Taylor  <iant@google.com>
3126
3127         PR 10893
3128         * i386.cc (class Output_data_plt_i386): Update declarations.
3129         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3130         local_ifuncs_ fields.
3131         (Target_i386::do_plt_section_for_global): New function.
3132         (Target_i386::do_plt_section_for_local): New function.
3133         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3134         parameter; change all callers.  Initialize global_ifuncs_ and
3135         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3136         __rel_iplt_end.
3137         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3138         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3139         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3140         symbols.
3141         (Target_i386::make_plt_section): New function, broken out of
3142         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3143         (Target_i386::make_plt_entry): Call make_plt_section.
3144         (Target_i386::make_local_ifunc_plt_entry): New function.
3145         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3146         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3147         R_386_IRELATIVE to switch.
3148         (Target_i386::Scan::global): Likewise.
3149         (Target_i386::Relocate::relocate): Likewise.
3150         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3151         switch.
3152         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3153         (Target_x86_64::do_plt_section_for_global): New function.
3154         (Target_x86_64::do_plt_section_for_local): New function.
3155         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3156         parameter; change all callers.  If doing a static link define
3157         __rela_iplt_start and __rela_iplt_end.
3158         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3159         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3160         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3161         to point to .plt.
3162         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3163         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3164         switch.
3165         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3166         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3167         R_X86_64_IRELATIVE to switch.
3168         (Target_x86_64::Scan::global): Likewise.
3169         (Target_x86_64::Relocate::relocate): Likewise.
3170         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3171         switch.
3172         * target.h (class Target): Add plt_section_for_global and
3173         plt_section_for_local functions.  Add do_plt_section_for_global
3174         and do_plt_section_for_local virtual functions.
3175         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3176         clarifying comments.
3177         (Symbol::use_plt_offset): Handle IFUNC symbol.
3178         * object.cc (Sized_relobj::Sized_relobj): Initialize
3179         local_plt_offsets_.
3180         (Sized_relobj::local_has_plt_offset): New function.
3181         (Sized_relobj::local_plt_offset): New function.
3182         (Sized_relobj::set_local_plt_offset): New function.
3183         (Sized_relobj::do_count): Handle IFUNC symbol.
3184         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3185         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3186         is_ifunc_symbol functions.
3187         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3188         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3189         local_plt_offsets_ field.
3190         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3191         * output.h (class Output_section_data): Add non-const
3192         output_section function.
3193         (class Output_data_got): Update declarations.
3194         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3195         Add use_plt_offset parameter to global and local constructors.
3196         Change all callers.  Change local_sym_index_ field to 31 bits.
3197         Change GSYM_CODE and CONSTANT_CODE accordingly.
3198         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3199         doing a static link don't set sh_link field.
3200         (Output_data_got::Got_entry::write): Use PLT offset if
3201         appropriate.
3202         (Output_data_got::add_global_plt): New function.
3203         (Output_data_got::add_local_plt): New function.
3204         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3205         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3206         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3207         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3208         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3209         IFUNC conditional.
3210         * testsuite/ifunc-sel.h: New file.
3211         * testsuite/ifuncmain1.c: New file.
3212         * testsuite/ifuncmain1vis.c: New file.
3213         * testsuite/ifuncmod1.c: New file.
3214         * testsuite/ifuncdep2.c: New file.
3215         * testsuite/ifuncmain2.c: New file.
3216         * testsuite/ifuncmain3.c: New file.
3217         * testsuite/ifuncmod3.c: New file.
3218         * testsuite/ifuncmain4.c: New file.
3219         * testsuite/ifuncmain5.c: New file.
3220         * testsuite/ifuncmod5.c: New file.
3221         * testsuite/ifuncmain6pie.c: New file.
3222         * testsuite/ifuncmod6.c: New file.
3223         * testsuite/ifuncmain7.c: New file.
3224         * configure, testsuite/Makefile.in: Rebuild.
3225
3226 2010-08-18  Ian Lance Taylor  <iant@google.com>
3227
3228         * incremental.cc
3229         (Output_section_incremental_inputs::write_input_files): Add cast
3230         to avoid signed/unsigned comparison warning.
3231         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3232
3233 2010-08-12  Cary Coutant  <ccoutant@google.com>
3234
3235         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3236
3237 2010-08-13  Ian Lance Taylor  <iant@google.com>
3238
3239         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3240
3241 2010-08-12  Cary Coutant  <ccoutant@google.com>
3242             Doug Kwan  <dougkwan@google.com>
3243
3244         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3245         defintion overrides non-weak undef, remember that the original undef
3246         is not weak.
3247         * symtab.cc (Symbol_table::sized_write_global): For undef without
3248         an original weak binding, set binding to global in output.
3249         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3250         * testsuite/Makefile.in: Regenerate.
3251         * testsuite/strong_ref_weak_def.sh: New file.
3252         * testsuite/strong_ref_weak_def_1.c: Ditto.
3253         * testsuite/strong_ref_weak_def_2.c: Ditto.
3254
3255 2010-08-12  Cary Coutant  <ccoutant@google.com>
3256
3257         * testsuite/incremental_test.sh: Rewrite.
3258         * testsuite/incremental_test_1.c: Rewrite.
3259         * testsuite/incremental_test_2.c: Rewrite.
3260
3261 2010-08-12  Cary Coutant  <ccoutant@google.com>
3262
3263         * arm.cc (Target_arm::got_size): Add const.
3264         (Target_arm::got_entry_count): New function.
3265         (Target_arm::plt_entry_count): New function.
3266         (Target_arm::first_plt_entry_offset): New function.
3267         (Target_arm::plt_entry_size): New function.
3268         (Output_data_plt_arm::entry_count): New function.
3269         (Output_data_plt_arm::first_plt_entry_offset): New function.
3270         (Output_data_plt_arm::get_plt_entry_size): New function.
3271         * i386.cc (Target_i386::got_size): Add const.
3272         (Target_i386::got_entry_count): New function.
3273         (Target_i386::plt_entry_count): New function.
3274         (Target_i386::first_plt_entry_offset): New function.
3275         (Target_i386::plt_entry_size): New function.
3276         (Output_data_plt_i386::entry_count): New function.
3277         (Output_data_plt_i386::first_plt_entry_offset): New function.
3278         (Output_data_plt_i386::get_plt_entry_size): New function.
3279         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3280         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3281         * incremental.cc: Include target.h.
3282         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3283         parameter.  Adjust all callers.  Find incremental_got_plt section.
3284         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3285         section.
3286         (Output_section_incremental_inputs::set_final_data_size): Calculate
3287         size of incremental_got_plt section.
3288         (Output_section_incremental_inputs::do_write): Write the
3289         incremental_got_plt section.
3290         (Got_plt_view_info): New struct.
3291         (Local_got_offset_visitor): New class.
3292         (Global_got_offset_visitor): New class.
3293         (Global_symbol_visitor_got_plt): New class.
3294         (Output_section_incremental_inputs::write_got_plt): New function.
3295         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3296         Add parameter.  Adjust all callers.
3297         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3298         (Incremental_inputs::got_plt_section): New function.
3299         (Incremental_inputs::got_plt_section_): New data member.
3300         (Incremental_got_plt_reader): New class.
3301         * layout.cc (Layout::create_incremental_info_sections): Add the
3302         incremental_got_plt section.
3303         * object.h (Got_offset_list::get_list): New function.
3304         (Got offset_list::for_all_got_offsets): New function.
3305         (Sized_relobj::local_got_offset_list): New function.
3306         * powerpc.cc (Target_powerpc::got_size): Add const.
3307         (Target_powerpc::got_entry_count): New function.
3308         (Target_powerpc::plt_entry_count): New function.
3309         (Target_powerpc::first_plt_entry_offset): New function.
3310         (Target_powerpc::plt_entry_size): New function.
3311         (Output_data_plt_powerpc::entry_count): New function.
3312         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3313         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3314         * sparc.cc (Target_sparc::got_size): Add const.
3315         (Target_sparc::got_entry_count): New function.
3316         (Target_sparc::plt_entry_count): New function.
3317         (Target_sparc::first_plt_entry_offset): New function.
3318         (Target_sparc::plt_entry_size): New function.
3319         (Output_data_plt_sparc::entry_count): New function.
3320         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3321         (Output_data_plt_sparc::get_plt_entry_size): New function.
3322         * symtab.h (Symbol::got_offset_list): New function.
3323         (Symbol_table::for_all_symbols): New function.
3324         * target.h (Sized_target::got_entry_count): New function.
3325         (Sized_target::plt_entry_count): New function.
3326         (Sized_target::plt_entry_size): New function.
3327         * x86_64.cc (Target_x86_64::got_size): Add const.
3328         (Target_x86_64::got_entry_count): New function.
3329         (Target_x86_64::plt_entry_count): New function.
3330         (Target_x86_64::first_plt_entry_offset): New function.
3331         (Target_x86_64::plt_entry_size): New function.
3332         (Output_data_plt_x86_64::entry_count): New function.
3333         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3334         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3335
3336 2010-08-12  Cary Coutant  <ccoutant@google.com>
3337
3338         * archive.cc: Include incremental.h.
3339         (Archive::Archive): Initialize incremental_info_.
3340         (Archive::include_member): Record archive members in incremental info.
3341         (Add_archive_symbols::run): Record begin and end of an archive in
3342         incremental info.
3343         (Lib_group::include_member): Record objects in incremental info.
3344         * archive.h (Incremental_archive_entry): Forward declaration.
3345         (Archive::set_incremental_info): New member function.
3346         (Archive::incremental_info): New member function.
3347         (Archive::Unused_symbol_iterator): New class.
3348         (Archive::unused_symbols_begin): New member function.
3349         (Archive::unused_symbols_end): New member function.
3350         (Archive::incremental_info_): New data member.
3351         * incremental-dump.cc (find_input_containing_global): New function.
3352         (dump_incremental_inputs): Dump new incremental info sections.
3353         * incremental.cc: Include symtab.h.
3354         (Output_section_incremental_inputs): New class.
3355         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3356         new incremental info sections.
3357         (Sized_incremental_binary::do_check_inputs): Likewise.
3358         (Incremental_inputs::report_archive): Remove.
3359         (Incremental_inputs::report_archive_begin): New function.
3360         (Incremental_inputs::report_archive_end): New function.
3361         (Incremental_inputs::report_object): New function.
3362         (Incremental_inputs::finalize_inputs): Remove.
3363         (Incremental_inputs::report_input_section): New function.
3364         (Incremental_inputs::report_script): Rewrite.
3365         (Incremental_inputs::finalize): Do nothing but finalize string table.
3366         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3367         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3368         (Incremental_inputs::create_data_sections): New function.
3369         (Incremental_inputs::relocs_entsize): New function.
3370         (Output_section_incremental_inputs::set_final_data_size): New function.
3371         (Output_section_incremental_inputs::do_write): New function.
3372         (Output_section_incremental_inputs::write_header): New function.
3373         (Output_section_incremental_inputs::write_input_files): New function.
3374         (Output_section_incremental_inputs::write_info_blocks): New function.
3375         (Output_section_incremental_inputs::write_symtab): New function.
3376         * incremental.h (Incremental_script_entry): Forward declaration.
3377         (Incremental_object_entry): Forward declaration.
3378         (Incremental_archive_entry): Forward declaration.
3379         (Incremental_inputs): Forward declaration.
3380         (Incremental_inputs_header_data): Remove.
3381         (Incremental_inputs_header): Remove.
3382         (Incremental_inputs_header_write): Remove.
3383         (Incremental_inputs_entry_data): Remove.
3384         (Incremental_inputs_entry): Remove.
3385         (Incremental_inputs_entry_write): Remove.
3386         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3387         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3388         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3389         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3390         Likewise.
3391         (Incremental_input_entry): New class.
3392         (Incremental_script_entry): New class.
3393         (Incremental_object_entry): New class.
3394         (Incremental_archive_entry): New class.
3395         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3396         (Incremental_inputs::report_inputs): Remove.
3397         (Incremental_inputs::report_archive): Remove.
3398         (Incremental_inputs::report_archive_begin): New function.
3399         (Incremental_inputs::report_archive_end): New function.
3400         (Incremental_inputs::report_object): Change prototype.
3401         (Incremental_inputs::report_input_section): New function.
3402         (Incremental_inputs::report_script): Change prototype.
3403         (Incremental_inputs::get_reloc_count): New function.
3404         (Incremental_inputs::set_reloc_count): New function.
3405         (Incremental_inputs::create_data_sections): New function.
3406         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3407         (Incremental_inputs::inputs_section): New function.
3408         (Incremental_inputs::symtab_section): New function.
3409         (Incremental_inputs::relocs_section): New function.
3410         (Incremental_inputs::get_stringpool): Add const.
3411         (Incremental_inputs::command_line): Add const.
3412         (Incremental_inputs::inputs): Remove.
3413         (Incremental_inputs::command_line_key): New function.
3414         (Incremental_inputs::input_file_count): New function.
3415         (Incremental_inputs::input_files): New function.
3416         (Incremental_inputs::relocs_entsize): New function.
3417         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3418         (Incremental_inputs::finalize_inputs): Remove.
3419         (Incremental_inputs::Input_info): Remove.
3420         (Incremental_inputs::lock_): Remove.
3421         (Incremental_inputs::inputs_): Change type.
3422         (Incremental_inputs::inputs_map_): Remove.
3423         (Incremental_inputs::current_object_entry_): New data member.
3424         (Incremental_inputs::inputs_section_): New data member.
3425         (Incremental_inputs::symtab_section_): New data member.
3426         (Incremental_inputs::relocs_section_): New data member.
3427         (Incremental_inputs::reloc_count_): New data member.
3428         (Incremental_inputs_reader): New class.
3429         (Incremental_symtab_reader): New class.
3430         (Incremental_relocs_reader): New class.
3431         * layout.cc (Layout::finalize): Move finalization of incremental info
3432         and creation of incremental info sections to follow finalization of
3433         symbol table.  Set offsets for postprocessing sections.
3434         (Layout::create_incremental_info_sections): Call
3435         Incremental_inputs::create_data_sections.  Add incremental symtab
3436         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3437         sections to layout after input sections.
3438         * layout.h (struct Timespec): Forward declaration.
3439         (Layout::incremental_inputs): Add const.
3440         (Layout::create_incremental_info_sections): Add parameter.
3441         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3442         * object.cc: Include incremental.h.
3443         (Relobj::finalize_incremental_relocs): New function.
3444         (Sized_relobj::do_layout): Record input sections in incremental info.
3445         * object.h (Object::output_section): New function.
3446         (Object::output_section_offset): Moved from Relobj.
3447         (Object::get_incremental_reloc_base): New function.
3448         (Object::get_incremental_reloc_count): New function.
3449         (Object::do_output_section): New function.
3450         (Object::do_output_section_offset): Moved from Relobj.
3451         (Object::do_get_incremental_reloc_base): New function.
3452         (Object::do_get_incremental_reloc_count): New function.
3453         (Object::Object): Initialize new data members.
3454         (Relobj::output_section): Renamed do_output_section and moved to
3455         protected.
3456         (Relobj::output_section_offset): Moved to Object.
3457         (Relobj::do_get_incremental_reloc_base): New function.
3458         (Relobj::do_get_incremental_reloc_count): New function.
3459         (Relobj::allocate_incremental_reloc_counts): New function.
3460         (Relobj::count_incremental_reloc): New function.
3461         (Relobj::finalize_incremental_relocs): New function.
3462         (Relobj::next_incremental_reloc_index): New function.
3463         (Relobj::reloc_counts_): New data member.
3464         (Relobj::reloc_bases_): New data member.
3465         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3466         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3467         (Sized_relobj::incremental_relocs_scan): New function.
3468         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3469         (Sized_relobj::incremental_relocs_write): New function.
3470         (Sized_relobj::incremental_relocs_write_reltype): New function.
3471         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3472         incremental link.
3473         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3474         archives and object files elsewhere.
3475         (Add_symbols::run): Report object files here.
3476         (Finish_group::run): Report end of archive at end of group.
3477         * reloc.cc: Include layout.h, incremental.h.
3478         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3479         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3480         (Sized_relobj::incremental_relocs_scan): New function.
3481         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3482         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3483         (Sized_relobj::incremental_relocs_write): New function.
3484         (Sized_relobj::incremental_relocs_write_reltype): New function.
3485         * script.cc (read_input_script): Rewrite test for incremental link.
3486         Change call to Incremental_inputs::report_script.
3487         * symtab.h (Symbol_table::first_global_index): New function.
3488         (Symbol_table::output_count): New function.
3489
3490 2010-08-12  Doug Kwan  <dougkwan@google.com>
3491
3492         * arm.cc (Target_arm::merge_object_attributes): Check command line
3493         options --no-wchar-size-warning and --no-enum-size-warning.
3494         * options.h (General_options): Add ld-compatible options
3495         --no-enum-size-warning and --no-wchar-size-warning.
3496
3497 2010-08-04  Ian Lance Taylor  <iant@google.com>
3498
3499         * x86_64.cc (Target_x86_64::Scan::local): Use
3500         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3501         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3502         (Target_x86_64::Scan::global): Likewise.
3503         (Target_x86_64::Relocate::relocate): Likewise.
3504         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3505         Likewise.
3506
3507 2010-08-03  Cary Coutant  <ccoutant@google.com>
3508
3509         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3510         to reserve space in merged_strings vector. Keep total input size
3511         for stats.
3512         (Output_merge_string::do_print_merge_stats): Print total input size.
3513         * merge.h (Output_merge_string): Add input_size_ field.
3514         * stringpool.cc (Stringpool_template::string_length): Move
3515         implementations out of Stringpool_template class and place in
3516         stringpool.h.
3517         * stringpool.h (string_length): Move out of Stringpool_template.
3518
3519 2010-08-03  Ian Lance Taylor  <iant@google.com>
3520
3521         PR 11712
3522         * layout.cc (relaxation_loop_body): If address of load segment is
3523         set, adjust address to include headers if possible.
3524
3525 2010-08-03  Ian Lance Taylor  <iant@google.com>
3526
3527         * version.cc (version_string): Bump to 1.10.
3528
3529 2010-08-03  Ian Lance Taylor  <iant@google.com>
3530
3531         PR 11805
3532         * layout.h (enum Output_section_order): Define.
3533         (class Layout): Update declarations.
3534         * layout.cc (Layout::get_output_section): Add order parameter.
3535         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3536         is_first_non_relro parameters.  Change all callers.
3537         (Layout::choose_output_section): Likewise.
3538         (Layout::add_output_section_data): Likewise.
3539         (Layout::make_output_section): Likewise.  Set order.
3540         (Layout::default_section_order): New function.
3541         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3542         * output.cc (Output_section::Output_section): Initialize order_.
3543         Don't initialize deleted fields.
3544         (Output_segment::Output_segment): Don't initialize deleted
3545         fields.
3546         (Output_segment::add_output_section_to_load): New function
3547         replacing add_output_section.  Change all callers to call this or
3548         add_output_section_to_nonload.
3549         (Output_segment::add_output_section_to_nonload): New function.
3550         (Output_segment::remove_output_section): Rewrite.
3551         (Output_segment::add_initial_output_data): Likewise.
3552         (Output_segment::has_any_data_sections): Likewise.
3553         (Output_segment::is_first_section_relro): Likewise.
3554         (Output_segment::maximum_alignment): Likewise.
3555         (Output_segment::has_dynamic_reloc): New function replacing
3556         dynamic_reloc_count.  Change all callers.
3557         (Output_segment::has_dynamic_reloc_list): New function replacing
3558         dynamic_reloc_count_list.  Change all callers.
3559         (Output_segment::set_section_addresses): Rewrite.
3560         (Output_segment::set_offset): Rewrite.
3561         (Output_segment::find_first_and_last_list): Remove.
3562         (Output_segment::set_tls_offsets): Rewrite.
3563         (Output_segment::first_section_load_address): Likewise.
3564         (Output_segment::output_section_count): Likewise.
3565         (Output_segment::section_with_lowest_load_address): Likewise.
3566         (Output_segment::write_section_headers): Likewise.
3567         (Output_segment::print_sections_to_map): Likewise.
3568         * output.h (class Output_data): Remove dynamic_reloc_count_
3569         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3570         (Output_data::add_dynamic_reloc): Rewrite.
3571         (Output_data::has_dynamic_reloc): New function.
3572         (Output_data::dynamic_reloc_count): Remove.
3573         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3574         is_last_relro_, is_first_non_relro_, is_interp_,
3575         is_dynamic_linker_section_ fields.  Add order and set_order
3576         functions.  Remove is_relro_local, set_is_relro_local,
3577         is_last_relro, set_is_last_relro, is_first_non_relro,
3578         set_is_first_non_relro functions, is_interp, set_is_interp,
3579         is_dynamic_linker_section, and set_is_dynamic_linker_section
3580         functions.
3581         (class Output_segment): Change Output_data_list from std::list to
3582         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3583         output_bss_ fields.  Update declarations.
3584
3585 2010-08-02  Ian Lance Taylor  <iant@google.com>
3586
3587         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3588         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3589         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3590
3591 2010-08-02  Ian Lance Taylor  <iant@google.com>
3592
3593         PR 11855
3594         * script.cc (Script_options::Script_options): Initialize
3595         symbol_definitions_ and symbol_references_.
3596         (Script_options::add_symbol_assignment): Update
3597         symbol_definitions_ and symbol_references_.
3598         (Script_options::add_symbol_reference): New function.
3599         (script_symbol): New function.
3600         * script.h (class Script_options): Add symbol_definitions_ and
3601         symbol_references_ fields.
3602         (Script_options::referenced_const_iterator): New type.
3603         (Script_options::referenced_begin): New function.
3604         (Script_options::referenced_end): New function.
3605         (Script_options::is_referenced): New function.
3606         (Script_options::any_unreferenced): New function.
3607         * script-c.h (script_symbol): Declare.
3608         * yyscript.y (exp): Call script_symbol.
3609         * symtab.cc: Include "script.h".
3610         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3611         Change all callers.  Check symbols referenced by scripts.
3612         (Symbol_table::add_undefined_symbols_from_command_line): Add
3613         layout parameter.  Change all callers.
3614         (Symbol_table::do_add_undefined_symbols_from_command_line):
3615         Likewise.  Break out loop body.  Check symbols referenced by
3616         scripts.
3617         (Symbol_table::add_undefined_symbol_from_command_line): New
3618         function broken out of
3619         do_add_undefined_symbols_from_command_line.
3620         * symtab.h (class Symbol_table): Update declarations.
3621         * archive.cc: Include "layout.h".
3622         (Archive::should_include_member): Add layout parameter.  Change
3623         all callers.  Check for symbol mentioned in expression.
3624         * archive.h (class Archive): Update declaration.
3625         * object.cc (Sized_relobj::do_should_include_member): Add layout
3626         parameter.
3627         * object.h (Object::should_include_member): Add layout parameter.
3628         Change all callers.
3629         (Object::do_should_include_member): Add layout parameter.
3630         (class Sized_relobj): Update declaration.
3631         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3632         parameter.
3633         * dynobj.h (class Sized_dynobj): Update declaration.
3634         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3635         layout parameter.
3636         * plugin.h (class Sized_pluginobj): Update declaration.
3637
3638 2010-08-02  Ian Lance Taylor  <iant@google.com>
3639
3640         PR 11866
3641         * output.cc (Output_segment::set_offset): Search for the first and
3642         last sections rather than assuming that the list is in order.
3643         (Output_segment::find_first_and_last_list): New function.
3644         * output.h (class Output_segment): Update declarations.
3645         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3646         (relro_strip_test_SOURCES): New variable.
3647         (relro_strip_test_DEPENDENCIES): New variable.
3648         (relro_strip_test_LDFLAGS): New variable.
3649         (relro_strip_test_LDADD): New variable.
3650         (relro_strip_test.so): New target.
3651
3652 2010-08-02  Ian Lance Taylor  <iant@google.com>
3653
3654         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3655         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3656         (Target_i386::got_tlsdesc_section): New function.
3657         (Target_i386::got_section): Create space for GOT entries for
3658         TLSDESC relocations.
3659         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3660         R_386_TLS_GOTDESC.
3661         (Target_i386::Scan::global): Likewise.
3662         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3663         using TLSDESC GOT.
3664         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3665         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3666         (Target_x86_64::got_tlsdesc_section): New function.
3667         (Target_x86_64::got_section): Create space for GOT entries for
3668         TLSDESC relocations.
3669         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3670         R_386_TLS_GOTDESC.
3671         (Target_x86_64::Scan::global): Likewise.
3672         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3673         using TLSDESC GOT.
3674
3675 2010-08-02  Ian Lance Taylor  <iant@google.com>
3676
3677         * testsuite/final_layout.sh: Use dc to convert from hex to
3678         decimal.
3679
3680 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3681
3682         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3683         paramter to the call to gold::gc_process_relocs.
3684         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3685         paramter to the call to gold::gc_process_relocs.
3686         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3687         parameter to the call to gold::gc_process_relocs.
3688         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3689         template parameter to the call to gold::gc_process_relocs.
3690         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3691         paramter to the call to gold::gc_process_relocs.
3692         * gc.h (get_embedded_addend_size): New function.
3693         (gc_process_relocs): Save the size of the reloc for use by ICF.
3694         * icf.cc (get_section_contents): Get the addend from the text section
3695         for SHT_REL relocation sections.
3696         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3697         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3698         * int_encoding.h (read_from_pointer): New overloaded function.
3699         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3700         * testsuite/icf_sht_rel_addend_test.sh: New file.
3701         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3702         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3703
3704 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3705
3706         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3707         * Makefile.in: Regenerate.
3708         * testsuite/Makefile.in: Regenerate.
3709
3710 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3711
3712         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3713         * gold/testsuite/debug_msg.cc: Likewise.
3714         * gold/testsuite/odr_violation1.cc
3715         * gold/testsuite/odr_violation2.cc
3716
3717 2010-07-21  Cary Coutant  <ccoutant@google.com>
3718
3719         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3720         string, and length fields.
3721         (Output_merge_string::Merged_strings_list): New type.
3722         (Output_merge_string::Merged_strings_lists): New typedef.
3723         (Output_merge_string): Replace merged_strings_ with
3724         merged_strings_lists_.
3725         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3726         Merged_strings_list per input object and section.  Don't store pointer
3727         to the string.  Don't store length with each merged string entry.
3728         (Output_merge_string::finalize_merged_data): Loop over list of merged
3729         strings lists.  Recompute length of each merged string.
3730
3731 2010-07-15  Cary Coutant  <ccoutant@google.com>
3732
3733         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3734         here.
3735
3736 2010-07-14  Ian Lance Taylor  <iant@google.com>
3737
3738         * descriptors.cc (Descriptors::open): Report correct name in error
3739         message.
3740
3741 2010-07-13  Doug Kwan  <dougkwan@google.com>
3742
3743         * arm.cc (Arm_input_section::Arm_input_section): For a
3744         SHT_ARM_EXIDX section, always keeps the input sections.
3745         (Arm_input_section::set_exidx_section_link): New method.
3746         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3747         has_errors_ to false.
3748         (Arm_exidx_input_section::has_errors,
3749         Arm_exidx_input_section::set_has_errors): New methods.
3750         (Arm_exidx_input_section::has_errors_): New data member.
3751         (Arm_relobj::get_exidx_shndx_list): New method.
3752         (Arm_output_section::append_text_sections_to_list): Do not skip
3753         section without SHF_EXECINSTR.
3754         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3755         errors.
3756         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3757         section header.  Make error messages more verbose.  Check for
3758         a non-executable section linked to an EXIDX section.
3759         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3760         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3761         check that there is no deferred EXIDX section if we exit early.
3762         Instead of not making an EXIDX section in case of an error, make one
3763         and set the has_errors flag of it.
3764         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3765         in a relocatable link.
3766         (Target_arm::do_relax): Look for the EXIDX output section instead of
3767         assuming that it is called .ARM.exidx.
3768         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3769         section list.  Do not check for SHF_EXECINSTR section flags but
3770         skip any input section with errors.
3771         * output.cc (Output_section::Output_section): Initialize
3772         always_keeps_input_sections_ to false.
3773         (Output_section::add_input_section): Check for
3774         always_keeps_input_sections_.
3775         *  output.h (Output_section::always_keeps_input_sections,
3776         Output_section::set_always_keeps_input_sections): New methods.
3777         (Output_section::always_keeps_input_sections): New data member.
3778
3779 2010-07-13  Rafael Espindola  <espindola@google.com>
3780
3781         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3782         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3783
3784 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3785             Ian Lance Taylor  <iant@google.com>
3786
3787         * output.h (Output_section_lookup_maps::add_merge_section):
3788         Correct check of whether value was inserted.
3789         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3790         (Output_section_lookup_maps::add_relaxed_input_section):
3791         Likewise.
3792         * arm.cc (Target_arm::got_section): Remove used local os.
3793         * i386.cc (Target_i386::got_section): Likewise.
3794         * x86_64.cc (Target_x86_64::got_section): Likewise.
3795         * sparc.cc (Target_sparc::got_section): Likewise.
3796         (Target_sparc::relocate): Remove unused local have_got_offset.
3797         * powerpc.cc (Target_powerpc::relocate): Likewise.
3798
3799 2010-07-13  Ian Lance Taylor  <iant@google.com>
3800
3801         * compressed_output.cc (zlib_decompress): Fix signature in
3802         !HAVE_ZLIB_H case.
3803
3804         * archive.cc (Archive::include_member): Unlock an external member
3805         of a thin archive.  Don't bother to delete an object we know is
3806         NULL.
3807
3808 2010-07-12  Cary Coutant  <ccoutant@google.com>
3809
3810         * compressed_output.cc (zlib_decompress): New function.
3811         (get_uncompressed_size): New function.
3812         (decompress_input_section): New function.
3813         * compressed_output.h (get_uncompressed_size): New function.
3814         (decompress_input_section): New function.
3815         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3816         Handle compressed debug sections.
3817         * layout.cc (is_compressed_debug_section): New function.
3818         (Layout::output_section_name): Map compressed section names to
3819         canonical names.
3820         * layout.h (is_compressed_debug_section): New function.
3821         (is_debug_info_section): Recognize compressed debug sections.
3822         * merge.cc: Include compressed_output.h.
3823         (Output_merge_data::do_add_input_section): Handle compressed
3824         debug sections.
3825         (Output_merge_string::do_add_input_section): Handle compressed
3826         debug sections.
3827         * object.cc: Include compressed_output.h.
3828         (Sized_relobj::Sized_relobj): Initialize new data members.
3829         (build_compressed_section_map): New function.
3830         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3831         * object.h (Object::section_is_compressed): New method.
3832         (Object::do_section_is_compressed): New method.
3833         (Sized_relobj::Compressed_section_map): New type.
3834         (Sized_relobj::do_section_is_compressed): New method.
3835         (Sized_relobj::compressed_sections_): New data member.
3836         * output.cc (Output_section::add_input_section): Handle compressed
3837         debug sections.
3838         * reloc.cc: Include compressed_output.h.
3839         (Sized_relobj::write_sections): Handle compressed debug sections.
3840
3841 2010-07-08  Cary Coutant  <ccoutant@google.com>
3842
3843         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3844         weak when resolving to a dynamic def.
3845         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3846         for weak undef/dynamic def cases. Adjust callers.
3847         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3848         undef_binding_weak_.
3849         (Symbol_table::sized_write_globals): Adjust symbol binding.
3850         (Symbol_table::sized_write_symbol): Add binding parameter.
3851         * symtab.h (Symbol::set_undef_binding): New method.
3852         (Symbol::is_undef_binding_weak): New method.
3853         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3854         (Symbol_table::should_override): Add new parameter.
3855         (Symbol_table::sized_write_symbol): Add new parameter.
3856
3857         * testsuite/weak_undef_file1.cc: Add new test case.
3858         * testsuite/weak_undef_file2.cc: Fix header comment.
3859         * testsuite/weak_undef_test.cc: Add new test case.
3860
3861 2010-06-29  Doug Kwan  <dougkwan@google.com>
3862
3863         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3864         Initialize USE_SYMBOL_.
3865         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3866         definition.
3867         (Arm_reloc_property::uses_symbol_): New data member declaration.
3868         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3869         uses symbol value and symbol is undefined but not weakly undefined.
3870
3871 2010-06-28  Rafael Espindola  <espindola@google.com>
3872
3873         * plugin.cc (Plugin::load): Use dlerror.
3874
3875 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3876
3877         * symtab.cc (detect_odr_violations): When reporting an ODR
3878         violation, report an object where the symbol is defined.
3879
3880 2010-06-25  Doug Kwan  <dougkwan@google.com>
3881
3882         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3883         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3884         definition.
3885         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3886         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3887         target hook to detect function points.
3888         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3889         * icf.h (Icf::check_section_for_function_pointers): Change type of
3890         parameter SECTION_NAME to const reference to std::string.  Use
3891         target hook to determine if section may have unsafe pointers.
3892         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3893         method definition.
3894
3895 2010-06-21  Rafael Espindola  <espindola@google.com>
3896
3897         * fileread.cc (Input_file::find_fie): New
3898         (Input_file::open): Use Input_file::find_fie.
3899         * fileread.h (Input_file::find_fie): New
3900         * plugin.cc (set_extra_library_path): New.
3901         (Plugin::load): Add set_extra_library_path to the transfer vector.
3902         (Plugin_manager::set_extra_library_path): New.
3903         (Plugin_manager::add_input_file): Use the extra search path if set.
3904         (set_extra_library_path(): New.
3905         * plugin.h (Plugin_manager): Add set_extra_library_path and
3906         extra_search_path_.
3907
3908 2010-06-19  Cary Coutant  <ccoutant@google.com>
3909
3910         * layout.cc (gdb_sections): Add .debug_types.
3911         (lines_only_debug_sections): Likewise.
3912
3913 2010-06-18  Rafael Espindola  <espindola@google.com>
3914
3915         * plugin.cc (add_input_file,add_input_library)
3916         (Plugin_manager::add_input_file): Make filename arguments const.
3917         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3918         const.
3919
3920 2010-06-16  Doug Kwan  <dougkwan@google.com>
3921
3922         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3923         .ARM.attributes section if we have not merged any input
3924         attributes sections.
3925
3926 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3927
3928         * arm.cc: Allow combining objects with no EABI version
3929         information.
3930
3931 2010-06-15  Rafael Espindola  <espindola@google.com>
3932
3933         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3934
3935 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3936
3937         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3938         (struct iovec): Correct !HAVE_READV definition.
3939
3940 2010-06-10  Cary Coutant  <ccoutant@google.com>
3941
3942         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3943         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3944         reloc sections.
3945         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3946
3947         PR 11683
3948         * symtab.h (Symbol::is_placeholder): New member function.
3949         * target-reloc.h (relocate_section): Check for placeholder symbols.
3950
3951         * testsuite/Makefile.am (plugin_test_8): New test.
3952         (plugin_test_9): New test.
3953         * testsuite/Makefile.in: Regenerate.
3954
3955 2010-06-09  Nick Clifton  <nickc@redhat.com>
3956
3957         * yyscript.y (input_list_element): Allow strings prefixed with
3958         the '-' character.  Treat these as libraries.
3959         * script.cc (script_add_library): New function.  Adds a library
3960         specified by "-l<name>" found in an input script.
3961         * script-c.h: Add prototype for script_add_library.
3962
3963 2010-06-07  Doug Kwan  <dougkwan@google.com>
3964
3965         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3966         Restrict stub-group size to be within long conditional branch
3967         range when working around cortex-A8 erratum.
3968
3969 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3970
3971         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3972         #ifdef typo.
3973
3974 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3975
3976         PR gold/11658
3977         * output.cc
3978         (Output_section::Input_section_sort_entry::compare_section_ordering):
3979         Change to return non-zero correctly.
3980         (Output_section::Input_section_sort_section_order_index_compare
3981         ::operator()): Change to fix ambiguity in comparisons.
3982
3983 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3984
3985         * gold.h (is_wildcard_string): New function.
3986         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3987         (Layout::layout_eh_frame): Ditto.
3988         (Layout::find_section_order_index): New method.
3989         (Layout::read_layout_from_file): New method.
3990         * layout.h (Layout::find_section_order_index): New method.
3991         (Layout::read_layout_from_file): New method.
3992         (Layout::input_section_position_): New private member.
3993         (Layout::input_section_glob_): New private member.
3994         * main.cc (main): Call read_layout_from_file here.
3995         * options.h (--section-ordering-file): New option.
3996         * output.cc (Output_section::input_section_order_specified_): New
3997         member.
3998         (Output_section::Output_section): Initialize new member.
3999         (Output_section::add_input_section): Add new parameter.
4000         Keep input sections when --section-ordering-file is used.
4001         (Output_section::set_final_data_size): Sort input sections when
4002         section ordering file is specified.
4003         (Output_section::Input_section_sort_entry): Add new parameter.
4004         Check sorting type.
4005         (Output_section::Input_section_sort_entry::compare_section_ordering):
4006         New method.
4007         (Output_section::Input_section_sort_compare::operator()): Change to
4008         consider section_order_index.
4009         (Output_section::Input_section_sort_init_fini_compare::operator()):
4010         Change to consider section_order_index.
4011         (Output_section::Input_section_sort_section_order_index_compare
4012         ::operator()): New method.
4013         (Output_section::sort_attached_input_sections): Change to sort
4014         according to section order when specified.
4015         (Output_section::add_input_section<32, true>): Add new parameter.
4016         (Output_section::add_input_section<64, true>): Add new parameter.
4017         (Output_section::add_input_section<32, false>): Add new parameter.
4018         (Output_section::add_input_section<64, false>): Add new parameter.
4019         * output.h (Output_section::add_input_section): Add new parameter.
4020         (Output_section::input_section_order_specified): New
4021         method.
4022         (Output_section::set_input_section_order_specified): New method.
4023         (Input_section::Input_section): Initialize section_order_index_.
4024         (Input_section::section_order_index): New method.
4025         (Input_section::set_section_order_index): New method.
4026         (Input_section::section_order_index_): New member.
4027         (Input_section::Input_section_sort_section_order_index_compare): New
4028         struct.
4029         (Output_section::input_section_order_specified_): New member.
4030         * script-sections.cc (is_wildcard_string): Delete and move modified
4031         method to gold.h.
4032         (Output_section_element_input::Output_section_element_input): Modify
4033         call to is_wildcard_string.
4034         (Output_section_element_input::Input_section_pattern
4035         ::Input_section_pattern): Ditto.
4036         (Output_section_element_input::Output_section_element_input): Ditto.
4037         * testsuite/Makefile.am (final_layout): New test case.
4038         * testsuite/Makefile.in: Regenerate.
4039         * testsuite/final_layout.cc: New file.
4040         * testsuite/final_layout.sh: New file.
4041
4042 2010-06-01  Rafael Espindola  <espindola@google.com>
4043
4044         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4045
4046 2010-06-01  Rafael Espindola  <espindola@google.com>
4047
4048         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4049         visibility of symbols.
4050
4051 2010-05-27  Doug Kwan  <dougkwan@google.com>
4052
4053         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4054         from start of output section instead of address for a local symbol
4055         in a merged or relaxed section when doing a relocatable link.
4056
4057 2010-05-26  Rafael Espindola  <espindola@google.com>
4058
4059        PR 11604
4060         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4061         adding sections the garbage collector removed.
4062         * gold/testsuite/Makefile.am: Add test.
4063         * gold/testsuite/Makefile.in: Regenerate.
4064         * gold/testsuite/plugin_test_7.sh: New.
4065         * gold/testsuite/plugin_test_7_1.c: New.
4066         * gold/testsuite/plugin_test_7_2.c: New.
4067
4068 2010-05-26  Rafael Espindola  <espindola@google.com>
4069
4070         * script-sections.cc (Output_section_definition::set_section_addresses):
4071         Check for --section-start.
4072
4073 2010-05-26  Doug Kwan  <dougkwan@google.com>
4074
4075         * arm.cc (Arm_scan_relocatable_relocs): New class.
4076         (Target_arm::relocate_special_relocatable): New method.
4077         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4078         (Arm_relocate_functions::thumb_branch_common): Same.
4079         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4080         instead of Default_scan_relocatable_relocs.
4081         * target-reloc.h (relocate_for_relocatable): Let target handle
4082         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4083         * target.h (Sized_target::relocate_special_relocatable): New method.
4084
4085 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4086
4087         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4088
4089 2010-05-23  Doug Kwan  <dougkwan@google.com>
4090
4091         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4092         instead of a cast.
4093         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4094         with a direct branch, not a conditional branch, to a stub.
4095         * merge.cc (Output_merge_base::record_input_section): New method
4096         defintion.
4097         (Output_merge_data::do_add_input_section): Record input section if
4098         keeps-input-sections flag is set.
4099         (Output_merge_string::do_add_input_section): Ditto.
4100         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4101         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4102         INPUT_SECTIONS_.
4103         (Output_merge_base::keeps_input_sections,
4104         Output_merge_base::set_keeps_input_sections,
4105         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4106         method definitions.
4107         (Output_merge_base::Input_sections): New type declaration.
4108         (Output_merge_base::input_sections_begin,
4109         Output_merge_base::input_sections_end,
4110         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4111         (Output_merge_base::bool keeps_input_sections_,
4112         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4113         Output_merge_base::input_sections_): New data members.
4114         (Output_merge_data::do_set_keeps_input_sections): New method
4115         defintion.
4116         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4117         * output.cc (Output_section::Input_section::relobj): Move method
4118         defintion from class declaration to here and handle merge sections.
4119         (Output_section::Input_section::shndx): Ditto.
4120         (Output_section::Output_section): Remove initializations of removed
4121         data members and initialize new data member LOOKUP_MAPS_.
4122         (Output_section::add_input_section): Set keeps-input-sections flag
4123         for a newly created merge output section as appropriate.  Adjust code
4124         to use Output_section_lookup_maps class.
4125         (Output_section::add_relaxed_input_section): Adjst code for lookup
4126         maps code refactoring.
4127         (Output_section::add_merge_input_section): Add a new parameter
4128         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4129         class.  If adding input section to a newly created merge output
4130         section fails, remove the new merge section.
4131         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4132         Adjust code for use of the Output_section_lookup_maps class.
4133         (Output_section::find_merge_section): Ditto.
4134         (Output_section::build_lookup_maps): New method defintion.
4135         (Output_section::find_relaxed_input_section): Adjust code to use
4136         Output_section_lookup_maps class.
4137         (Output_section::get_input_sections): Export merge sections.  Adjust
4138         code to use Output_section_lookup_maps class.
4139         (Output_section:::add_script_input_section): Adjust code to use
4140         Output_section_lookup_maps class.  Update lookup maps for merge
4141         sections also.
4142         (Output_section::discard_states): Use Output_section_lookup_maps.
4143         (Output_section::restore_states): Same.
4144         * output.h (Merge_section_properties): Move class defintion out of
4145         Output_section.
4146         (Output_section_lookup_maps): New class.
4147         (Output_section::Input_section::is_merge_section): New method
4148         defintion.
4149         (Output_section::Input_section::relobj): Move defintion out of class
4150         defintion.  Declare method only.
4151         (Output_section::Input_section::shndx): Ditto.
4152         (Output_section::Input_section::output_merge_base): New method defintion.
4153         (Output_section::Input_section::u2_.pomb): New union field.
4154         (Output_section::Merge_section_by_properties_map,
4155         Output_section::Output_section_data_by_input_section_map,
4156         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4157         Remove types.
4158         (Output_section::add_merge_input_section): Add new parameter
4159         KEEPS_INPUT_SECTIONS.
4160         (Output_section::build_lookup_maps): New method declaration.
4161         (Output_section::merge_section_map_,
4162         Output_section::merge_section_by_properties_map_,
4163         Output_section::relaxed_input_section_map_,
4164         Output_section::is_relaxed_input_section_map_valid_): Remove data
4165         members.
4166         (Output_section::lookup_maps_): New data member.
4167
4168 2010-05-21  Doug Kwan  <dougkwan@google.com>
4169
4170         PR gold/11619
4171         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4172         avoid a compilation error.
4173
4174 2010-05-19  Rafael Espindola  <espindola@google.com>
4175
4176         * script-sections.cc (Output_section_definition::allocate_to_segment):
4177         Update the phdrs_list even when the output section is NULL.
4178         * testsuite/Makefile.am: Add test.
4179         * testsuite/Makefile.in: Regenerate.
4180         * testsuite/script_test_9.cc: New.
4181         * testsuite/script_test_9.sh: New.
4182         * testsuite/script_test_9.t: New.
4183
4184 2010-05-19  Doug Kwan  <dougkwan@google.com>
4185
4186         * arm.cc (Arm_input_section::original_size): New method.
4187         (Arm_input_section::do_addralign): Add a cast.
4188         (Arm_input_section::do_output_offset): Remove static cast.
4189         (Arm_input_section::original_addralign,
4190          Arm_input_section::original_size_): Change type to uint32_t.
4191         (Arm_input_section::init): Add safe casts for section alignment
4192         and size.
4193         (Arm_input_section::set_final_data_size): Do not set address and
4194         offset of stub table.
4195         (Arm_output_section::fix_exidx_coverage): Change use of of
4196         Output_section::Simple_input_section to that of
4197         Output_section::Input_section.
4198         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4199         except for the first pass.
4200         * output.cc (Output_section::get_input_sections): Change type of
4201         input_sections to std::list<Input_section>.
4202         (Output_section::add_script_input_section): Rename from
4203         Output_section::add_simple_input_section.  Change type of SIS
4204         parameter from Simple_input_section to Input_section.
4205         * output.h (Output_section::Simple_input_section): Remove class.
4206         (Output_section::Input_section): Change class visibility to public.
4207         (Output_section::Input_section::addralign): Use stored alignments
4208         for special input sections if set.
4209         (Output_section::Input_section::set_addralign): New method.
4210         (Output_section::get_input_sections): Change parameter type from
4211         list of Simple_input_section to list of Input_section.
4212         (Output_section::add_script_input_section): Rename from
4213         Output_section::add_simple_input_section. Change first parameter's
4214         type from Simple_input_section to Input_section and remove the
4215         second and third parameters.
4216         * script-sections.cc (Input_section::Input_section_list): Change
4217         type to list of Output_section::Input_section/
4218         (Input_section_info::Input_section_info): Change parameter type of
4219         INPUT_SECTION to Output_section::Input_section.
4220         (Input_section_info::input_section): Change return type.
4221         (Input_section_info::input_section_): Change type to
4222         Output_section::Input_section.
4223         (Output_section_element_input::set_section_addresses): Adjust code
4224         to use Output_section::Input_section instead of
4225         Output_section::Simple_input_section.  Adjust code for renaming
4226         of Output_section::add_simple_input_section.
4227         (Orphan_output_section::set_section_addresses): Ditto.
4228
4229 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4230
4231         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4232         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4233
4234 2010-05-18  Rafael Espindola  <espindola@google.com>
4235
4236         * options.cc (General_options::finalize): Handle -nostdlib.
4237         * options.h (nostdlib): New option.
4238         * script.cc (script_add_search_dir): Handle -nostdlib.
4239
4240 2010-05-12  Doug Kwan  <dougkwan@google.com>
4241
4242         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4243         attributes section only if there no attributes section after merging.
4244         (Target_arm::merge_object_attributes): Move value of
4245         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4246         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4247         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4248         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4249         and arm_attr_merge_7.stdout.
4250         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4251         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4252         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4253         arm_attr_merge_7b.o): New rules.
4254         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4255         arm_attr_merge_7
4256         * testsuite/Makefile.in: Regenerate.
4257         * testsuite/arm_attr_merge.sh: New file.
4258         * testsuite/arm_attr_merge_[67][ab].s: Same.
4259
4260 2010-05-05  Nick Clifton  <nickc@redhat.com>
4261
4262         * po/es.po: Updated Spanish translation.
4263
4264 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4265
4266         * Makefile.am (install-exec-local): Properly install gold as
4267         default cross linker.
4268         * Makefile.in: Regenerated.
4269
4270 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4271             Nick Clifton  <nickc@redhat.com>
4272
4273         * configure.ac (install_as_default): Define and set to false
4274         unless --enable-gold or --enable-gold=both/gold has been
4275         specified.
4276         * configure: Regenerate.
4277
4278         * Makefile.am (install-exec-local): Install the executable as
4279         'ld.gold'.  If install_as_default is true then also install it as
4280         'ld'.
4281         * Makefile.in: Regenerated.
4282
4283 2010-04-24  Ian Lance Taylor  <iant@google.com>
4284
4285         * layout.cc (Layout::layout_reloc): In relocatable link don't
4286         combine reloc sections for grouped sections.
4287
4288 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4289
4290         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4291         sections that are not ordinary to icf.
4292         * icf.cc (get_section_contents): Handle relocation pointing to section
4293         with no object or shndx information.
4294         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4295         * testsuite/Makefile.in: Regenerate.
4296         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4297         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4298
4299 2010-04-22  Ian Lance Taylor  <iant@google.com>
4300
4301         * expression.cc (Expression::Expression_eval_info): Add
4302         result_alignment_pointer field.
4303         (Expression::eval_with_dot): Add result_alignment_pointer
4304         parameter.  Change all callers.
4305         (Expression::eval_maybe_dot): Likewise.
4306         (class Binary_expression): Add alignment_pointer parameter to
4307         left_value and right_value.  Change all callers.
4308         (BINARY_EXPRESSION): Set result alignment.
4309         (class Trinary_expression): Add alignment_pointer parameter to
4310         arg2_value and arg3_value.  Change all callers.
4311         (Trinary_cond::value): Set result alignment.
4312         (Max_expression::value, Min_expression::value): Likewise.
4313         (Align_expression::value): Likewise.
4314         * script-sections.cc (class Sections_element): Add dot_alignment
4315         parameter to set_section_addresses virtual function.  Update
4316         instantiations.
4317         (class Output_section_element): Likewise.
4318         (Script_sections::create_segments): Add dot_alignment parameter.
4319         Change all callers.
4320         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4321         (Script_sections::set_phdrs_clause_addresses): Likewise.
4322         * script-sections.h: Update declarations.
4323         * script.h: Update declarations.
4324         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4325         min_p_align.
4326         * testsuite/script_test_3.t: Set large alignment.
4327         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4328         segment has expected alignment.
4329
4330 2010-04-22  Nick Clifton  <nickc@redhat.com>
4331
4332         * po/gold.pot: Updated by the Translation project.
4333         * po/vi.po: Updated Vietnamese translation.
4334
4335 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4336
4337         * testsuite/Makefile.am (check_PROGRAMS): Add
4338         icf_virtual_function_folding_test.
4339         * testsuite/Makefile.in: Regenerated.
4340
4341 2010-04-15  Andrew Haley  <aph@redhat.com>
4342
4343         * options.h (merge_exidx_entries): New option.
4344         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4345         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4346         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4347         (Target_arm::merge_exidx_entries): New function.
4348         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4349         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4350         to Arm_exidx_fixup constructor.
4351         Add new arg, merge_exidx_entries.
4352         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4353         Arm_output_section::fix_exidx_coverage.
4354
4355 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4356
4357         * icf.cc (get_section_contents): Check for preemptible functions.
4358         Ignore addend when appropriate.
4359         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4360         section folded.
4361         (add_from_relobj): Check for section folded.
4362         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4363         * symtab.h (should_add_dynsym_entry): Add new parameter.
4364         * target-reloc.h (scan_relocs): Check for section folded.
4365         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4366         Check reloc types for function pointers in shared objects.
4367         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4368         case.
4369         (icf_preemptible_functions_test): New test case.
4370         (icf_string_merge_test): New test case.
4371         * testsuite.Makefile.in: Regenerate.
4372         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4373         bar_glob.  Refactor code.
4374         * testsuite/icf_preemptible_functions_test.cc: New file.
4375         * testsuite/icf_preemptible_functions_test.sh: New file.
4376         * testsuite/icf_string_merge_test.cc: New file.
4377         * testsuite/icf_string_merge_test.sh: New file.
4378         * testsuite/icf_virtual_function_folding_test.cc: New file.
4379         * testsuite/icf_virtual_function_folding_test.sh: New file.
4380
4381 2010-04-14  Doug Kwan  <dougkwan@google.com>
4382
4383         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4384         for local symbol recounting if we remove a section due to ICF.
4385         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4386         there are no regular objects in input.
4387
4388 2010-04-13  Doug Kwan  <dougkwan@google.com>
4389
4390         * arm.cc (Arm_input_section::set_final_data_size): Compute
4391         accurate final data size instead of using current data size.
4392
4393 2010-04-09  Doug Kwan  <dougkwan@google.com>
4394
4395         * layout.cc (Layout::choose_output_section): Handle script section
4396         types.
4397         (Layout::make_output_section_for_script): Add section type parameter.
4398         Handle script section types.
4399         * layout.h (Layout::make_output_section_for_script): Add section
4400         type parameter.
4401         * output.cc (Output_section::Output_section): Initialize data member
4402         is_noload_.
4403         (Output_section::do_reset_address_and_file_offset): Do not set address
4404         to 0 if section is a NOLOAD section.
4405         * output.h (Output_section::is_noload): New method.
4406         (Output_section::set_is_noload): Ditto.
4407         (Output_section::is_noload_): New data member.
4408         * script-c.h (Script_section_type): New enum type.
4409         (struct Parser_output_section_header): Add new file section_type.
4410         * script-sections.cc (Sections_element::output_section_name): Add
4411         parameter for returning script section type.
4412         (Output_section_definition::output_section_name): Ditto.
4413         (Output_section_definition::section_type)P; New method.
4414         (Output_section_definiton::script_section_type_name): Ditto.
4415         (Output_section_definition::script_section_type_): New data member.
4416         (Output_section_definition::Output_section_definition): Initialize
4417         data member Output_section_definition::script_section_type_.
4418         (Output_section_definition::create_sections): Pass script section type
4419         to Layout::make_output_section_for_script.
4420         (Output_section_definition::output_section_name): Return script
4421         section type to caller.
4422         (Output_section_definition::set_section_address): Do not advance
4423         dot value and load address if section type is NOLOAD.  Set address
4424         of NOLOAD sections regardless of section flags.
4425         (Output_section_definition::print): Print section type if it is
4426         not SCRIPT_SECTION_TYPE_NONE.
4427         (Output_section_definition::section_type): New method.
4428         (Output_section_definition::script_section_type_name): Ditto.
4429         (Script_sections::output_section_name): Add new parameter
4430         PSECTION_TYPE for returning script section type.  Pass it to
4431         section elements.  Handle discard sections.
4432         (Sort_output_sections::operator()): Handle NOLOAD sections.
4433         * script-sections.h (Script_sections::Section_type): New enum type.
4434         (Script_sections::output_section_name): Add a new parameter for
4435         returning script section type.
4436         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4437         INFO and NOLOAD.
4438         * yyscript.y (union): Add new field SECTION_TYPE.
4439         (COPY, DSECT, INFO, NOLOAD): New tokens.
4440         (opt_address_and_section_type): Change type to output_section_header.
4441         (section_type): New non-terminal
4442         (section_header): Handle section type.
4443         (opt_address_and_section_type): Return section type value.
4444
4445 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4446
4447         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4448         * testsuite/plugin_common_test_2.c (foo): Likewise.
4449
4450 2010-04-08  Doug Kwan  <dougkwan@google.com>
4451
4452         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4453         Output_merge_data.
4454         * output.cc (Output_section::add_merge_input_section): Simplify
4455         code and return status of Output_merge_base::add_input_section.
4456         Update merge section map only if Output_merge_base::add_input_section
4457         returns true.
4458
4459 2010-04-07  Doug Kwan  <dougkwan@google.com>
4460
4461         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4462         if section is marked as containing instructions but has no mapping
4463         symbols.
4464         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4465         correct section index.
4466         (Arm_relobj::find_linked_text_section): Ditto.
4467
4468 2010-04-07  Cary Coutant  <ccoutant@google.com>
4469
4470         * archive.cc (include_member): Destroy Read_symbols_data object before
4471         releasing file.
4472         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4473         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4474         (Read_symbols_data::~Read_symbols_data) New destructor.
4475         (Section_relocs::Section_relocs) New constructor.
4476         (Section_relocs::~Section_relocs) New destructor.
4477         (Read_relocs_data::Read_relocs_data) New constructor.
4478         (Read_relocs_data::~Read_relocs_data) New destructor.
4479         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4480         pointers to NULL after deleting.
4481
4482 2010-04-07  Doug Kwan  <dougkwan@google.com>
4483
4484         * arm.cc: Replace "endianity" with "endianness" in comments.
4485         (Arm_exidx_cantunwind): Ditto.
4486         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4487         (Arm_relobj::merge_flags_and_attributes): New method.
4488         (Arm_relobj::merge_flags_and_attributes_): New data member.
4489         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4490         (Arm_relobj::scan_sections_for_stubs): Ditto.
4491         (Arm_relobj::do_read_symbols): Check to see if we really want to
4492         merge processor-specific flags and attributes.  Exit early if
4493         an object is empty except for section names and the undefined symbol.
4494         (Target_arm::do_finalize_sections): Move check for ELF format to
4495         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4496         attributes from a regular object only when we have determined that
4497         it is aapropriate.  Do not create an .ARM.attributes section in
4498         output if there is no regular input object.
4499         (Target_arm::merge_processor_specific_flags): Check
4500         --warn-mismatch before printing any error.
4501         (Target_arm::merge_object_attributes): Ditto.
4502         * gold.cc (queue_middle_tasks): Handle the case in which there is
4503         no regular object in input.
4504         * options.cc (General_options::parse_EB): New method.
4505         (General_options::parse_EL): Same.
4506         (General_options::General_options): Initialize endianness_.
4507         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4508         New options.
4509         (General_options::Endianness): New enum.
4510         (General_options::endianness): New method.
4511         (General_options::endianness_): New data member.
4512         * parameters.cc (Parameters::set_options): Check target endianness.
4513         (Parameters::set_target_once): Ditto.
4514         (Parameters::check_target_endianness): New method.
4515         (parameters_force_valid_target): If either -EL or -EB is specified,
4516         use it to define endianness of default target.
4517         * parameters.h (Parameters::check_target_endianness): New method
4518         declaration.
4519         * target.h (class Target): Change "endianity" to "endianness"
4520         in comments.
4521
4522 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4523
4524         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4525         * configure: Regenerate.
4526         * Makefile.in: Regenerate.
4527         * testsuite/Makefile.in: Regenerate.
4528
4529 2010-04-06  Cary Coutant  <ccoutant@google.com>
4530
4531         gcc PR lto/42757
4532         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4533         prevailing definitions of common symbols.
4534         * testsuite/plugin_test_6.sh: New test case.
4535         * testsuite/plugin_common_test_1.c: New test case.
4536         * testsuite/plugin_common_test_2.c: New test case.
4537         * testsuite/Makefile.am (plugin_test_6): New test case.
4538         * testsuite/Makefile.in: Regenerate.
4539
4540 2010-04-06  Nick Clifton  <nickc@redhat.com>
4541
4542         * po/vi.po: New Vietnamese translation.
4543
4544 2010-03-30  Doug Kwan  <dougkwan@google.com>
4545
4546         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4547
4548 2010-03-25  Doug Kwan  <dougkwan@google.com>
4549
4550         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4551         to avoid a conversion warning on a 32-bit host.
4552
4553 2010-03-24  Ian Lance Taylor  <iant@google.com>
4554
4555         * testsuite/script_test_3.t: Add a TLS segment.
4556         * testsuite/Makefile.am (check_PROGRAMS): Add
4557         tls_phdrs_script_test.
4558         (tls_phdrs_script_test_SOURCES): Define.
4559         (tls_phdrs_script_test_DEPENDENCIES): Define.
4560         (tls_phdrs_script_test_LDFLAGS): Define.
4561         (tls_phdrs_script_test_LDADD): Define.
4562         * testsuite/Makefile.in: Rebuild.
4563
4564 2010-03-23  Cary Coutant  <ccoutant@google.com>
4565
4566         * fileread.cc (find_or_make_view): Fix comment.
4567
4568 2010-03-23  Ian Lance Taylor  <iant@google.com>
4569
4570         * script-sections.cc (class Orphan_section_placement): Define
4571         PLACE_TLS and PLACE_TLS_BSS.
4572         (Orphan_section_placement::Orphan_section_placement): Initialize
4573         new places.
4574         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4575         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4576         (tls_script_test_SOURCES): Define.
4577         (tls_script_test_DEPENDENCIES): Define.
4578         (tls_script_test_LDFLAGS): Define.
4579         (tls_script_test_LDADD): Define.
4580         * testsuite/Makefile.in: Rebuild.
4581
4582 2010-03-22  Doug Kwan  <dougkwan@google.com>
4583
4584         * arm.cc (Arm_relocate_functions::abs8,
4585         Arm_relocate_functions::abs16): Use correct check for overflow
4586         specified in the ARM ELF specs.
4587         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4588         target of a BLX instruction specially.
4589         (Reloc_stub::stub_type_for_reloc): Ditto.
4590         (Relocate::relocate): Use symbolic names instead of numeric relocation
4591         codes to report error.
4592         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4593         workaround.
4594         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4595         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4596         thumb2_blx_out_of_range.stdout
4597         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4598         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4599         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4600         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4601         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4602         thumb2_blx_in_range, thumb2_blx_in_range.o,
4603         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4604         thumb2_blx_out_of_range.o): New rules.
4605         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4606         thumb2_blx_in_range and thumb2_blx_out_of_range.
4607         * testsuite/Makefile.in: Regenerate.
4608         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4609         * testsuite/thumb_blx_in_range.s: New file.
4610         * testsuite/thumb_blx_out_of_range.s: New file.
4611
4612 2010-03-22  Rafael Espindola  <espindola@google.com>
4613
4614         * archive.cc (Should_include): Move to archive.h.
4615         (should_include_member): Make it a member of Archive.
4616         (Lib_group): New.
4617         (Add_lib_group_symbols): New.
4618         * archive.h: Include options.h.
4619         (Archive_member): Moved from Archive.
4620         (Should_include): Moved from archive.cc.
4621         (Lib_group): New.
4622         (Add_lib_group_symbols): New.
4623         * dynobj.cc (do_should_include_member): New.
4624         * dynobj.h (do_should_include_member): New.
4625         * gold.cc (queue_initial_tasks): Update call to queue.
4626         * main.cc (main): Print lib group stats.
4627         * object.cc (do_should_include_member): New.
4628         * object.h: Include archive.h.
4629         (Object::should_include_member): New.
4630         (Object::do_should_include_member): New.
4631         (Sized_relobj::do_should_include_member): New.
4632         * options.cc (General_options::parse_start_lib): New.
4633         (General_options::parse_end_lib): New.
4634         (Input_arguments::add_file): Handle lib groups.
4635         (Input_arguments::start_group): Check we are not in a lib.
4636         (Input_arguments::start_lib): New.
4637         (Input_arguments::end_lib): New.
4638         * options.h (General_options): Add start_lib and end_lib.
4639         (Input_argument::lib_): New.
4640         (Input_argument::lib): New.
4641         (Input_argument::is_lib): New.
4642         (Input_file_lib): New.
4643         (Input_arguments::in_lib_): New.
4644         (Input_arguments::in_lib): New.
4645         (Input_arguments::start_lib): New.
4646         (Input_arguments::end_lib_): New.
4647         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4648         in unused members as preempted.
4649         (Sized_pluginobj::do_should_include_member): New.
4650         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4651         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4652         return the blocker.
4653         (Read_symbols::do_whole_lib_group): New.
4654         (Read_symbols::do_lib_group): New.
4655         (Read_symbols::do_read_symbols): Handle lib groups.
4656         (Read_symbols::get_name): Handle lib groups.
4657         * readsyms.h (Read_symbols): Add an archive member pointer.
4658         (Read_symbols::do_whole_lib_group): New.
4659         (Read_symbols::do_lib_group): New.
4660         (Read_symbols::member_): New.
4661         * script.cc (read_input_script): Update call to queue_soon.
4662
4663 2010-03-19  Doug Kwan  <dougkwan@google.com>
4664
4665         * arm.cc (Stub_table::Stub_table): Initialize new data members
4666         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4667         (Stub_table::add_reloc_stub): Assign stub offset and update
4668         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4669         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4670         New data members.
4671         (Stub_table::update_data_size_and_addralign): Use
4672         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4673         instead of going over all reloc stubs.
4674         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4675         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4676         Stringpool_template::offset_ to size of Stringpool_char.
4677         (Stringpool_template::new_key_offset): Remove code to initialize
4678         Stringpool_template::offset_.
4679         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4680         Stringpool_template::offset_ to zero.
4681
4682 2010-03-15  Doug Kwan  <dougkwan@google.com>
4683
4684         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4685         offset_.
4686         (Stringpool_template::new_key_offset): New method.
4687         (Stringpool_template::add_string): Assign offsets when adding new
4688         strings.
4689         (Stringpool_template::set_string_offsets): Do not set string offsets
4690         when not optimizing.
4691         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4692         member size_.
4693         (Chunked_vector::clear): Clear size_.
4694         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4695         (Chunked_vector::size): Return size_.
4696         (Chunked_vector::push_back): Use size_ to find insert position.
4697         (Chunked_vector::size_): New data member.
4698         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4699         (Stringpool_template::new_key_offset): New method declaration.
4700         (Stringpool_template::offset_): New data member.
4701
4702 2010-03-15   Rafael Espindola  <espindola@google.com>
4703
4704         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4705         Add_symbols' constructor.
4706         * readsyms.h (Add_symbols): Remove the input_group member.
4707
4708 2010-03-10  Ian Lance Taylor  <iant@google.com>
4709
4710         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4711         target to ask whether a reference to a symbol requires a stack
4712         split.
4713         * target.h (Target::is_call_to_non_split): New function.
4714         (Target::do_is_call_to_non_split): Declare virtual function.
4715         * target.cc: Include "symtab.h".
4716         (Target::do_is_call_to_non_split): New function.
4717         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4718
4719 2010-03-10  Cary Coutant  <ccoutant@google.com>
4720
4721         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4722         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4723         (File_read::open[2]): Add whole_file_view_ to list of views.
4724         (File_read::make_view): Remove test of whole_file_view_.
4725         (File_read::find_or_make_view): Create whole_file_view_ if
4726         necessary.
4727         (File_read::clear_views): Replace bool parameter with enum;
4728         adjust all callers.  Don't delete views with permanent data;
4729         do delete cached views and views from archives if
4730         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4731         if clearing the corresponding view.
4732         * fileread.h (File_read::Clear_views_mode): New enum.
4733         (File_read::View::is_permanent_view): New method.
4734         (File_read::clear_views): Replace bool parameter
4735         with enum; adjust all callers.
4736         * options.h (General_options): Change keep_files_mapped option;
4737         add map_whole_files.
4738         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4739         releasing the file.
4740         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4741         the file.
4742
4743 2010-03-10  David S. Miller  <davem@davemloft.net>
4744
4745         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4746
4747 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4748
4749         * icf.cc (get_section_contents): Add '@' marker after processing the
4750         merge reloc.
4751
4752 2010-03-08  Doug Kwan  <dougkwan@google.com>
4753
4754         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4755         due to a conversion warning.
4756         (Arm_relobj::update_output_local_symbol_count): Check for local
4757         symbol with unset output index.
4758
4759 2010-03-05  Ian Lance Taylor  <iant@google.com>
4760
4761         * options.h (class General_options): Add --spare-dynamic-tags.
4762         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4763         --spare-dynamic-tags.
4764
4765 2010-03-05  Ian Lance Taylor  <iant@google.com>
4766
4767         * incremental.cc: Include "libiberty.h".
4768
4769 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4770
4771         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4772         function, is_info_ member.
4773         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4774         (Versions::Versions): Update caller.
4775         (Versions::define_base_version): Likewise.
4776         (Versions::add_def): Likewise.
4777
4778 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4779
4780         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4781         (Scan::possible_function_pointer_reloc): New function.
4782         (Scan::local_reloc_may_be_function_pointer): Change to call
4783         possible_function_pointer_reloc.
4784         (Scan::global_reloc_may_be_function_pointer): Ditto.
4785         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4786         relocations in ".data.rel.ro._ZTV" section.
4787         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4788         * testsuite/icf_safe_so_test.cc: Ditto.
4789         * testsuite/icf_safe_test.cc: Ditto.
4790         * testsuite/icf_safe_test.sh: Ditto.
4791
4792 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4793             Ian Lance Taylor  <iant@google.com>
4794
4795         * target-reloc.h (relocate_section): Check the symbol table index
4796         for -1U before setting the local symbol index.
4797         (scan_relocatable_relocs): If copying the relocation, record that
4798         the local symbol is required.
4799         * object.h (Symbol_value::is_output_symtab_index_set): New
4800         function.
4801         (Symbol_value::may_be_discarded_from_output_symtab): New
4802         function.
4803         (Symbol_value::has_output_symtab_entry): New function.
4804         (Symbol_value::needs_output_symtab_entry): Remove.
4805         (Symbol_value::output_symtab_index): Make sure the symbol index is
4806         set.
4807         (Symbol_value::set_output_symtab_index): Make sure the symbol
4808         index is not set.  Make sure the new index is valid.
4809         (Symbol_value::set_must_have_output_symtab_entry): New function.
4810         (Symbol_value::has_output_dynsym_entry): New function.
4811         (Symbol_value::set_output_dynsym_index): Make sure the new index
4812         is valid.
4813         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4814         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4815         local symbol if permitted.
4816         (Sized_relobj::do_finalize_local_symbols): Call
4817         is_output_symtab_index_set rather than needs_output_symtab_entry.
4818         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4819         rather than needs_output_symtab_entry.  Call
4820         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4821         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4822         is_output_symtab_index_set rather than needs_output_symtab_entry.
4823         * testsuite/discard_locals_relocatable_test.c: New file.
4824         * testsuite/discard_locals_test.sh: Test -r.
4825         * testsuite/Makefile.am (check_DATA): Add
4826         discard_locals_relocatable_test1.syms,
4827         discard_local_relocatable_test2.syms.
4828         (MOSTLYCLEANFILES): Likewise.  Also add
4829         discard_locals_relocatable_test1.lout and
4830         discard_locals_relocatable_test2.out.
4831         (discard_locals_relocatable_test1.syms): New target.
4832         (discard_locals_relocatable_test.o): New target.
4833         (discard_locals_relocatable_test1.out): New target.
4834         (discard_locals_relocatable_test2.syms): New target.
4835         (discard_locals_relocatable_test2.out): New target.
4836         (various): Add missing ../ld-new dependencies.
4837         * testsuite/Makefile.in: Rebuild.
4838
4839 2010-03-03  Nick Clifton  <nickc@redhat.com>
4840
4841         * po/fi.po: New Finnish translation.
4842
4843 2010-03-01  Doug Kwan  <dougkwan@google.com>
4844
4845         * layout.cc (Layout::Layout): Force section types of .init_array*,
4846         .preinit_array* and .fini_array* sections.
4847         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4848         Fix check of return value of std::string::find.().
4849         (Output_section::Input_section_sort_compare::operator()): Remove
4850         comment about .init_array.
4851         (Output_section::Input_section_sort_init_fini_compare::operator()):
4852         New method.
4853         (Output_section::sort_attached_input_sections): Handle .init_array
4854         and .fini_array specially.
4855         * output.h (Output_section::Inut_section_sort_compare): Update
4856         comment.
4857         (Output_section::Input_section_sort_init_fini_compare): New struct.
4858
4859 2010-02-26  Doug Kwan  <dougkwan@google.com>
4860
4861         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4862         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4863         * testsuite/debug_msg.sh: Avoid matching source line number for
4864         use of global variable undef_int.
4865
4866 2010-02-26  Doug Kwan  <dougkwan@google.com>
4867
4868         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4869         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4870         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4871         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4872         * options.cc (General_options::General_options): Initialize member
4873         fix_v4bx_.
4874         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4875         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4876         and rm_no_fix_v4bx.stdout
4877         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4878         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4879         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4880         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4881         and arm_no_fix_v4bx.
4882         * Makefile.in: Regenerate.
4883         * testsuite/arm_fix_v4bx.s: New file.
4884         * testsuite/arm_fix_v4bx.sh: Ditto.
4885
4886 2010-02-24  Doug Kwan  <dougkwan@google.com>
4887
4888         * arm.cc (Target_arm::got_section): Make the .got section the first
4889         non RELRO section in the data segment.
4890         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4891         suffixes of section names.
4892
4893 2010-02-24  Doug Kwan  <dougkwan@google.com>
4894
4895         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4896         flags and attributes merging if an input file is a binary file.
4897         * fileread.cc (Input_file::open): Record format of original file.
4898         * fileread.h (Input_file::Format): New enum type.
4899         (Input_file::Input_file): Initialize data member format_.
4900         (Input_file::format): New method definition.
4901         (Input_file::format_):: New data member.
4902
4903 2010-02-24  Doug Kwan  <dougkwan@google.com>
4904
4905         * arm.cc (Arm_output_data_got): New class.
4906         (ARM_TCB_SIZE): New constant
4907         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4908         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4909         If user uses a script with a SECTIONS clause, issue only a warning
4910         for a misplaced EXIDX input section.  Otherwise, issue an error.
4911         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4912         garbage collection.
4913         (Target_arm::got_mode_index_entry): Handle static linking.
4914         (Target_arm::Scan::local): Ditto.
4915         (Target_arm::Scan::global): Ditto.
4916         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4917         all incorrectly implemented relocations.
4918         (Target_arm::fix_exidx_coverage): Pass layout to
4919         Arm_output_section::fix_exidx_coverage.
4920         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4921         from ".ARM.exidx." and ".ARM.extab.".
4922
4923 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4924
4925         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4926         section if it does not already exist.
4927         * attributes.cc (Attributes_section_data::Attributes_section_data):
4928         Don't crash if size is zero.
4929
4930 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4931             Ian Lance Taylor  <iant@google.com>
4932
4933         * gold.cc (queue_middle_tasks): If no input files were opened,
4934         exit.
4935         * workqueue.h (Task_function::Task_function): Assert that there is
4936         a blocker.
4937
4938 2010-02-22  Doug Kwan  <dougkwan@google.com>
4939
4940         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4941         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4942         types to avoid warnings due to different uint64_t implementations
4943         on different hosts.
4944
4945 2010-02-21  Doug Kwan  <dougkwan@google.com>
4946
4947         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4948         handling of the maximum backward branch offset.
4949         (Arm_relocate_functions::thumb_branch_common): Ditto.
4950         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4951         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4952         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4953         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4954         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4955         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4956         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4957         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4958         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4959         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4960         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4961         thumb2_bl_out_of_range.o): New rules.
4962         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4963         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4964         thumb2_bl_out_of_range
4965         * testsuite/Makefile.in: Regenerate.
4966         * testsuite/arm_bl_in_range.s: New file.
4967         * testsuite/arm_bl_out_of_range.s: Ditto.
4968         * testsuite/arm_branch_in_range.sh: Ditto.
4969         * testsuite/arm_branch_range.t: Ditto.
4970         * testsuite/thumb2_branch_range.t: Ditto.
4971         * testsuite/thumb_bl_in_range.s: Ditto.
4972         * testsuite/thumb_bl_out_of_range.s: Ditto.
4973         * testsuite/thumb_branch_range.t: Ditto.
4974
4975 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4976
4977         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4978         Add reloc offset information.
4979         * icf.cc (get_section_contents): Change iterators to point to the new
4980         vectors. Add reloc offset information to the contents.
4981         * icf.h (Icf::Sections_reachable_info): New typedef.
4982         (Icf::Sections_reachable_list): New typedef.
4983         (Icf::Offset_info): New typedef.
4984         (Icf::Reloc_info): New struct typedef.
4985         (Icf::Reloc_info_list): New typedef.
4986         (Icf::symbol_reloc_list): Delete method.
4987         (Icf::addend_reloc_list): Delete method.
4988         (Icf::section_reloc_list): Delete method.
4989         (Icf::reloc_info_list): New method.
4990         (Icf::reloc_info_list_): New member.
4991
4992 2010-02-19  Doug Kwan  <dougkwan@google.com>
4993
4994         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4995         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4996         * arm.cc (Arm_relocation_functions): New forward declaration.
4997         (Target_arm::Target_arm): Initialize new data members
4998         got_mod_index_offset_ and tls_base_symbol_defined_.
4999         (Target_arm::Relocate::relocate_tls): New method.
5000         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5001          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5002         New methods.
5003         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5004         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5005         (Target_arm::got_mod_index_offset_,
5006         Target_arm::tls_base_symbol_defined_): New data members.
5007         (Target_arm::Scan::local, Target::Scan::global,
5008         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5009         relocations.
5010
5011 2010-02-18  Doug Kwan  <dougkwan@google.com>
5012
5013         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5014         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5015         text section as a parameter becuase some broken tools may not set
5016         the link in section header.
5017         (Target_arm::has_got_section): New method.
5018         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5019         without any mapping symbol as data only.  Remove warning.
5020         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5021         link in its section header, try to discover the link by inspecting the
5022         REL31 relocation at the beginning of the section.
5023         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5024         in error message.
5025         (Target_arm::Scan::global): Treat any reference to the symbol
5026         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5027
5028 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5029
5030         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5031         (Scan::global_reloc_may_be_function_pointer): New function.
5032         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5033         (Scan::global_reloc_may_be_function_pointer): New function.
5034         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5035         (Scan::global_reloc_may_be_function_pointer): New function.
5036         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5037         (Scan::global_reloc_may_be_function_pointer): New function.
5038         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5039         (Scan::global_reloc_may_be_function_pointer): New function.
5040         (Scan::possible_function_pointer_reloc): New function.
5041         (Target_x86_64::can_check_for_function_pointers): New function.
5042         * gc.h (gc_process_relocs): Scan relocation types to determine if
5043         function pointers were taken for targets that support it.
5044         * icf.cc (Icf::find_identical_sections): Include functions for
5045         folding in safe ICF whose pointer is not taken.
5046         * icf.h (Secn_fptr_taken_set): New typedef.
5047         (fptr_section_id_): New member.
5048         (section_has_function_pointers): New function.
5049         (set_section_has_function_pointers): New function.
5050         (check_section_for_function_pointers): New function.
5051         * options.h: Fix comment for safe ICF option.
5052         * target.h (can_check_for_function_pointers): New function.
5053         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5054         Modify icf_safe_test for X86-64.
5055         * testsuite/Makefile.in: Regenerate.
5056         * testsuite/icf_safe_so_test.cc: New file.
5057         * testsuite/icf_safe_so_test.sh: New file.
5058         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5059         (main): Change to take pointer to function kept_func_3.
5060         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5061         folding is done correctly for X86-64.
5062
5063 2010-02-12  David S. Miller  <davem@davemloft.net>
5064
5065         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5066         is_symbolless parameter.
5067         (Output_reloc<SHT_REL>::is_symbolless): New.
5068         (Output_reloc<SHT_REL>::is_symbolless_): New.
5069         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5070         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5071         (Output_reloc<SHT_RELA>::is_symbolless): New.
5072         (Output_data_reloc::add_global): Handle is_symbolless.
5073         (Output_data_reloc::add_global_relative): Likewise.
5074         (Output_data_reloc::add_local): Likewise.
5075         (Output_data_reloc::add_local_relative): Likewise.
5076         (Output_data_reloc::add_symbolless_global_addend): New.
5077         (Output_data_reloc::add_symbolless_local_addend): New.
5078         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5079         is_symbolless.
5080         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5081         instead of ->is_relative_
5082         (Output_reloc::write): Likewise.
5083         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5084         (Output_reloc::write_rel): Simplify.
5085
5086         * sparc.cc (Target_sparc::Scan::local): Use
5087         ->add_symbolless_local_addend as needed.
5088         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5089         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5090         based upon relocation offset.
5091
5092 2010-02-11  Doug Kwan  <dougkwan@google.com>
5093
5094         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5095         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5096         beginning of function.
5097         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5098         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5099         parameter is_32bit in calls to should_apply_static_reloc.
5100         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5101         (check_DATA): Add arm_abs_global.stdout.
5102         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5103         arm_abs_global.stdout): New rules.
5104         (MOSTLLYCLEANFILES): Add arm_abs_global
5105         * Makefile.in: Regenerate.
5106         * testsuite/arm_abs_global.s: New file.
5107         * testsuite/arm_abs_global.sh: Ditto.
5108         * testsuite/arm_abs_lib.s: Ditto.
5109
5110 2010-02-11  Ian Lance Taylor  <iant@google.com>
5111
5112         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5113         Read_relocs task.
5114         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5115         Allocate_commons_task first.
5116         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5117         task, rather than symtab_lock_.
5118         (Gc_process_relocs::~Gc_process_relocs): New function.
5119         (Gc_process_relocs::is_runnable): Check this_blocker_.
5120         (Gc_process_relocs::locks): Use next_blocker_ rather than
5121         blocker_.
5122         (Scan_relocs::~Scan_relocs): New function.
5123         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5124         symtab_lock_.
5125         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5126         next_blocker_.
5127         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5128         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5129         constructor accordingly.
5130         (class Gc_process_relocs): Likewise.
5131         (class Scan_relocs): Likewise.
5132         * common.h (class Allocate_commons_task): Remove symtab_lock_
5133         field, and corresponding constructor parameter.
5134         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5135         symtab_lock_.
5136         (Allocate_commons_task::locks): Likewise.
5137
5138 2010-02-11  Ian Lance Taylor  <iant@google.com>
5139
5140         * gold-threads.h (class Once): Define.
5141         (class Initialize_lock): Rewrite as child of Once.
5142         * gold-threads.cc (class Once_initialize): Define.
5143         (once_pointer_control): New static variable.
5144         (once_pointer, once_arg): New static variables.
5145         (c_run_once): New static function.
5146         (Once::Once, Once::run_once, Once::internal_run): New functions.
5147         (class Initialize_lock_once): Remove.
5148         (initialize_lock_control): Remove.
5149         (initialize_lock_pointer): Remove.
5150         (initialize_lock_once): Remove.
5151         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5152         (Initialize_lock::initialize): Rewrite.
5153         (Initialize_lock::do_run_once): New function.
5154         * archive.cc (Archive::interpret_header): Only clear name if it is
5155         not already empty.
5156         * fileread.cc: Include "gold-threads.h"
5157         (file_counts_lock): New static variable.
5158         (file_counts_initialize_lock): Likewise.
5159         (File_read::release): Only increment counts when using --stats.
5160         Use a lock around the increment.
5161         * parameters.cc (class Set_parameters_target_once): Define.
5162         (set_parameters_target_once): New static variable.
5163         (Parameters::Parameters): Move here from parameters.h.
5164         (Parameters::set_target): Rewrite.
5165         (Parameters::set_target_once): New function.
5166         (Parameters::clear_target): Move here and rewrite.
5167         * parameters.h (class Parameters): Update declarations.  Add
5168         set_parameters_target_once_ field.
5169         (Parameters::Parameters): Move to parameters.cc.
5170         (Parameters::clear_target): Likewise.
5171         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5172         task.
5173         (Start_group::~Start_group): New function.
5174         (Start_group::is_runnable): New function.
5175         (Start_group::locks, Start_group::run): New functions.
5176         (Finish_group::run): Change saw_undefined to size_t.
5177         * readsyms.h (class Start_group): Define.
5178         (class Finish_group): Change saw_undefined_ field to size_t.
5179         (Finish_group::Finish_group): Remove saw_undefined and
5180         this_blocker parameters.  Change all callers.
5181         (Finish_group::set_saw_undefined): New function.
5182         (Finish_group::set_blocker): New function.
5183         * symtab.h (class Symbol_table): Change saw_undefined to return
5184         size_t.  Change saw_undefined_ field to size_t.
5185         * target-select.cc (Set_target_once::do_run_once): New function.
5186         (Target_selector::Target_selector): Initialize set_target_once_
5187         field.  Don't initialize lock_ and initialize_lock_ fields.
5188         (Target_selector::instantiate_target): Rewrite.
5189         (Target_selector::set_target): New function.
5190         * target-select.h (class Set_target_once): Define.
5191         (class Target_selector): Update declarations.  Make
5192         Set_target_once a friend.  Remove lock_ and initialize_lock_
5193         fields.  Add set_target_once_ field.
5194
5195 2010-02-10  Ian Lance Taylor  <iant@google.com>
5196
5197         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5198         queueing any tasks.
5199         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5200         (queue_middle_tasks): Add all blockers before queueing any tasks.
5201         (queue_final_tasks): Likewise.
5202         * token.h (Task_token::add_blockers): New function.
5203         * object.h (Input_objects::number_of_relobjs): New function.
5204
5205 2010-02-10  Ian Lance Taylor  <iant@google.com>
5206
5207         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5208         shared, not if not position independent.
5209         * x86_64.cc (Relocate::relocate_tls): Likewise.
5210         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5211         (tls_pie_pic_test): New target.
5212         * testsuite/Makefile.in: Rebuild.
5213
5214         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5215         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5216         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5217         * testsuite/Makefile.in: Rebuild.
5218
5219 2010-02-09  David S. Miller  <davem@davemloft.net>
5220
5221         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5222         R_SPARC_RELATIVE using ->add_local_relative().
5223         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5224
5225         * output.h (Output_data_dynamic::add_section_size): New method
5226         that takes two Output_data objects.
5227         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5228         entry param.  Handle it in initializers.
5229         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5230         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5231         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5232         arg.
5233         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5234         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5235         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5236         for dynrel_includes_plt.
5237         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5238         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5239         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5240         before .rela.plt
5241         (Target_sparc::do_finalize_sections): Update to pass true for
5242         dynrel_includes_plt.
5243         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5244         output before .rela.plt
5245         (Target_powerpc::do_finalize_sections): Update to pass true for
5246         dynrel_includes_plt when 32-bit.
5247
5248 2010-02-08  Doug Kwan  <dougkwan@google.com>
5249
5250         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5251         method.
5252         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5253         Arm_relobj::scan_section_for_cortex_a8_stubs,
5254         Arm_relobj::do_relocation_section): Instead of calling
5255         Output_section::output_address, use faster
5256         Arm_relobj::simple_input_section_output_address.
5257
5258 2010-02-08  David S. Miller  <davem@davemloft.net>
5259
5260         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5261         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5262         relocation helper function.
5263
5264         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5265         just like R_SPARC_GOT{10,13,22}.
5266         (Target_sparc::Scan::local): Likewise.
5267         (Target_sparc::Relocate:relocate): Likewise.
5268
5269 2010-02-06  Ian Lance Taylor  <iant@google.com>
5270
5271         * configure.ac: Rewrite targetobjs duplicate removal code to use
5272         only shell constructs.
5273         * configure: Rebuild.
5274
5275 2010-02-05  Doug Kwan  <dougkwan@google.com>
5276
5277         PR 11247
5278         * arm.cc (Arm_relobj::section_is_scannable): New method.
5279         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5280         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5281
5282 2010-02-04  Doug Kwan  <dougkwan@google.com>
5283
5284         PR 11247
5285         * arm-reloc-property.cc (cstdio): Include.
5286         * configure.ac (targetobjs): Remove duplicates.
5287         * configure: Regenerate.
5288         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5289         big and little endian version for a given address size.
5290
5291 2010-02-03  Doug Kwan  <dougkwan@google.com>
5292
5293         * arm-reloc-property.cc
5294         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5295         definition.
5296         * arm-reloc-property.h
5297         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5298         New method definition.
5299         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5300         declaration.
5301         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5302         overflow to N.
5303         (GOT_PREL): Change implemented to Y.
5304         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5305         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5306         (Arm_relocate_functions::movw_abs_nc): Remove method.
5307         (Arm_relocate_functions::movt_abs): Ditto.
5308         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5309         (Arm_relocate_functions::thm_movt_abs): Ditto.
5310         (Arm_relocate_functions::movw_rel_nc): Ditto.
5311         (Arm_relocate_functions::movw_rel): Ditto.
5312         (Arm_relocate_functions::movt_rel): Ditto.
5313         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5314         (Arm_relocate_functions:thm_movw_rel): Ditto.
5315         (Arm_relocate_functions:thm_movt_rel): Ditto.
5316         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5317         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5318         New method definitions.
5319         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5320         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5321         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5322         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5323         (Target_arm::Relocate::relocate): Check for non-static or
5324         unimplemented relocation code and exit early.  Change calls to
5325         Target_arm::reloc_uses_thumb_bit and
5326         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5327         instead.  Refactor code to handle similar relocations to increase
5328         code sharing.  Remove check for unsupported relocation code in switch
5329         statement.
5330         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5331         relocation property table to find out size.  Change error message to
5332         print out the name of a relocation code instead of the numeric value.
5333         (Target_arm::scan_reloc_for_stub): Use relocation property table
5334         instead of calling Target_arm::reloc_uses_thumb_bit().
5335
5336 2010-02-02  Doug Kwan  <dougkwan@google.com>
5337
5338         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5339         types of relaxed input section.
5340
5341 2010-02-02  Doug Kwan  <dougkwan@google.com>
5342
5343         * Makefile.am (HFILES): Add arm-reloc-property.h.
5344         (DEFFILES): New.
5345         (TARGETSOURCES): Add arm-reloc-property.cc
5346         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5347         (libgold_a_SOURCES): $(DEFFILES)
5348         * Makefile.in: Regenerate.
5349         * arm-reloc-property.cc: New file.
5350         * arm-reloc-property.h: New file.
5351         * arm-reloc.def: New file.
5352         * arm.cc: Update comments.
5353         (arm-reloc-property.h): New included header.
5354         (arm_reloc_property_table): New global variable.
5355         (Target_arm::do_select_as_default_target): New method definition.
5356         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5357         arm-reloc-property to targ_extra_obj.
5358         * parameters.cc (set_parameters_target): Call
5359         Target::select_as_default_target().
5360         * target.h (Target::select_as_default_target): New method definition.
5361         (Target::do_select_as_default_target): Same.
5362
5363 2010-02-01  Doug Kwan  <dougkwan@google.com>
5364
5365         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5366         first_output_text_section_.
5367         (Arm_exidx_fixup::first_output_text_section): New method definition.
5368         (Arm_exidx_fixup::first_output_text_section_): New data member.
5369         (Arm_exidx_fixup::process_exidx_section): Record the first text
5370         output section seen.
5371         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5372         and entsize in output section header.
5373
5374 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5375
5376         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5377         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5378         (Arm_relocate_functions::thm_alu11): New Method.
5379         (Arm_relocate_functions::thm_pc8): New Method.
5380         (Arm_relocate_functions::thm_pc12): New Method.
5381         (Target_arm::Scan::local): Handle the relocations.
5382         (Target_arm::Scan::global): Likewise.
5383         (Target_arm::Relocate::relocate): Likewise.
5384         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5385
5386 2010-01-29  Doug Kwan  <dougkwan@google.com>
5387
5388         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5389         of relocation types as ld.
5390
5391 2010-01-29  Doug Kwan  <dougkwan@google.com>
5392
5393         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5394         to public.
5395         (Arm_relocate_functions::thumb_branch_common): Ditto.
5396         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5397         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5398         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5399         Arm_relocate_functions::jump24): Remove.
5400         (Target_arm::Relocate::relocate): Adjust code to call
5401         Arm_relocation_functions::arm_branch_common and
5402         Arm_relocation_functions::thumb_branch_common instead of their removed
5403         wrappers.  Merge switch-cases together to reduce source code size.
5404
5405 2010-01-29  Doug Kwan  <dougkwan@google.com>
5406
5407         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5408         output_local_symbol_count_needs_update_.
5409         (Arm_relobj::output_local_symbol_count_needs_update,
5410          Arm_relobj::set_output_local_symbol_count_needs_update,
5411          Arm_relobj::update_output_local_symbol_count): New methods.
5412         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5413         member.
5414         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5415         of pointed function as in a R_ARM_PREL31 relocation.
5416         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5417         for output local symbol count updating.
5418         (Target_arm::do_relax): Update output local symbol counts in objects
5419         if necessary.
5420         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5421
5422 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5423
5424         * arm.cc: Added support for the ARM relocations:
5425         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5426         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5427         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5428         movw_prel_nc).
5429         (Arm_relocate_functions::movw_rel): New method.
5430         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5431         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5432         thm_movw_prel_nc).
5433         (Arm_relocate_functions::thm_movw_rel): New method.
5434         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5435         thm_movt_prel).
5436         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5437         relocations.
5438         (Target_arm::Scan::global): Likewise.
5439         (Target_arm::Relocate::relocate): Likewise.
5440         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5441         Likewise.
5442
5443 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5444
5445         * arm.cc: Added support for ARM group relocations.
5446         (Target_arm::reloc_needs_sym_origin): New method.
5447         (Arm_relocate_functions::calc_grp_kn): New method.
5448         (Arm_relocate_functions::calc_grp_residual): New method.
5449         (Arm_relocate_functions::calc_grp_gn): New method.
5450         (Arm_relocate_functions::arm_grp_alu): New Method.
5451         (Arm_relocate_functions::arm_grp_ldr): New Method.
5452         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5453         (Arm_relocate_functions::arm_grp_ldc): New Method.
5454         (Target_arm::Scan::local): Handle the ARM group relocations.
5455         (Target_arm::Scan::global): Likewise.
5456         (Target_arm::Relocate::relocate): Likewise.
5457         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5458         Likewise.
5459
5460 2010-01-26  Doug Kwan  <dougkwan@google.com>
5461
5462         * arm.cc (set): Include.
5463         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5464         pointer type.
5465         (Arm_output_section::Text_section_list): New type.
5466         (Arm_output_section::append_text_sections_to_list): New method.
5467         (Arm_output_section::fix_exidx_coverage): Ditto.
5468         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5469         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5470         Relobj::set_section_offset() instead of
5471         Sized_relobj::invalidate_section_offset().
5472         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5473         parameter for section headers. Ignore relocation sections for
5474         unallocated sections and EXIDX sections.
5475         (Target_arm::fix_exidx_coverage): New method.
5476         (Target_arm::output_section_address_less_than): New type.
5477         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5478         linked text section instead of the EXIDX section.
5479         (Arm_output_section::create_stub_group): Add an assertion to check
5480         that this is not an EXIDX output section.
5481         (Arm_output_section::append_text_sections_to_list): New method.
5482         (Arm_output_section::fix_exidx_coverage): Ditto.
5483         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5484         Arm_relobj::section_needs_reloc_stub_scanning.
5485         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5486         first pass.
5487         (Target_arm::fix_exidx_coverage): New method.
5488         * object.h (Relobj::set_output_section): New method.
5489         (Sized_relobj::invalidate_section_offset): Remove method.
5490         (Sized_relobj::do_invalidate_section_offset): Remove method.
5491         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5492
5493 2010-01-25  Doug Kwan  <dougkwan@google.com>
5494
5495         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5496         Fix warning due to signed and unsigned comparison on a 32-bit host.
5497
5498 2010-01-22  Doug Kwan  <dougkwan@google.com>
5499
5500         * arm.cc (Target_arm::do_relax): Record an output section for section
5501         offset adjustment it contains any stub table that has changed.
5502         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5503         offsets in an output section if necessary.
5504         * output.cc (Output_section::Output_section): Initialize
5505         section_offsets_need_adjustments_.
5506         (Output_section::add_input_section_for_script): Renamed to
5507         Output_section::add_simple_input_section.
5508         (Output_section::save_states): Add a comment.
5509         (Output_section::discard_states): New method defintion.
5510         (Output_section::adjust_section_offsets): Same.
5511         * output.h (Output_section::add_input_section_for_script): Renamed to
5512         Output_section::add_simple_input_section.
5513         (Output_section::discard_states): New method declaration.
5514         (Output_section::adjust_section_offsets): Same.
5515         (Output_section::section_offsets_need_adjustment,
5516         Output_section::set_section_offsets_need_adjustment): New method
5517         definitions.
5518         (Output_section::section_offsets_need_adjustment_): New data member.
5519         * script-sections.cc
5520         (Output_section_element_input::set_section_address): Adjust code for
5521         renaming of Output_section::add_input_section_for_script.
5522         (Orphan_output_section::set_section_address): Same.
5523
5524 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5525
5526         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5527         Fix_v4bx enum values .
5528         * gold/options.h (General_options): New option definitions.
5529         (General_options::fix_v4bx): New method.
5530         (General_options::Fix_v4bx): New enum.
5531         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5532         (General_options::parse_fix_v4bx_interworking): New method.
5533
5534 2010-01-22  Doug Kwan  <dougkwan@google.com>
5535
5536         * arm.cc (Arm_exidx_fixup): New class.
5537
5538 2010-01-21  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5541         classes.
5542         (Arm_exidx_section_offset_map): New type.
5543
5544 2010-01-21  Doug Kwan  <dougkwan@google.com>
5545
5546         * arm.cc (Arm_exidx_input_section): New class.
5547         (Arm_relobj::exidx_input_section_by_link,
5548         Arm_relobj::exidx_input_section_by_shndx,
5549         Arm_relobj::make_exidx_input_section): New methods.
5550         (read_arm_attributes_section): Remove.
5551         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5552         information about them.
5553         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5554         to here.
5555
5556 2010-01-20  Doug Kwan  <dougkwan@google.com>
5557
5558         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5559         Input_section_specifier to Section_id.
5560         (Target_arm::new_arm_input_section: Adjust code for change of key
5561         type.
5562         (Target_arm::find_arm_input_section): Ditto.
5563         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5564         (Section_id): Remove.
5565         (Garbage_collection::Section_id_hash): Remove.
5566         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5567         (Section_id): Remove.
5568         (Icf::Section_id_hash): Remove.
5569         * object.h (Section_id, Const_section_id, Section_id_hash,
5570         Const_section_id_hash): New type definitions.
5571         * output.cc (Output_section::add_relaxed_input_section): Change to
5572         use Const_section_id instead of Input_section_specifier as key type.
5573         (Output_section::add_merge_input_section): Ditto.
5574         (Output_section::build_relaxation_map): Change to use Section_id
5575         instead of Input_section_specifier as key type.
5576         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5577         Ditto.
5578         (Output_section::convert_input_sections_to_relaxed_sections): Change
5579         to use Const_section_id instead of Input_section_specifier as key type.
5580         (Output_section::find_merge_section): Ditto.
5581         (Output_section::find_relaxed_input_section): Ditto.
5582         * output.h (Input_section_specifier): Remove class.
5583         (Output_section::Output_section_data_by_input_section_map): Change
5584         key type to Const_section_id.
5585         (Output_section::Output_relaxed_input_section_by_input_section_map):
5586         Ditto.
5587         (Output_section::Relaxation_map): Change key type to Section_id.
5588
5589 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5590
5591         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5592         (class Arm_v4bx_stub): New class.
5593         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5594         (Stub_factory::make_arm_v4bx_stub): New method.
5595         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5596         (Stub_table::empty): Handle v4bx stubs.
5597         (Stub_table::add_arm_v4bx_stub): New method.
5598         (Stub_table::find_arm_v4bx_stub): New method.
5599         (Arm_relocate_functions::v4bx): New method.
5600         (Target_arm::fix_v4bx): New method.
5601         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5602         (Stub_table::relocate_stubs): Likewise.
5603         (Stub_table::do_write): Likewise.
5604         (Stub_table::update_data_size_and_addralign): Likewise.
5605         (Stub_table::finalize_stubs):  Likewise.
5606         (Target_arm::Scan::local): Likewise.
5607         (Target_arm::Scan::global): Likewise.
5608         (Target_arm::do_finalize_sections): Likewise.
5609         (Target_arm::Relocate::relocate): Likewise.
5610         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5611         Likewise.
5612         (Target_arm::scan_reloc_for_stub): Likewise.
5613         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5614
5615 2010-01-19  Ian Lance Taylor  <iant@google.com>
5616
5617         * output.cc (Output_section_headers::do_sized_write): Write large
5618         segment count to sh_info field.
5619         (Output_file_header::do_sized_write): For large segment count,
5620         write PN_XNUM to e_phnum field.
5621
5622 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5623
5624         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5625         (Arm_relocate_functions::thm_jump8): New function.
5626         (Arm_relocate_functions::thm_jump11): New function.
5627         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5628         R_ARM_THM_JUMP11.
5629         (Target_arm::Scan::global): Likewise.
5630         (Target_arm::Relocate::relocate): Likewise.
5631         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5632         Likewise.
5633
5634 2010-01-14  Doug Kwan  <dougkwan@google.com>
5635
5636         * arm.cc (map, utility): Include headers.
5637         (Target_arm::apply_cortex_a8_workaround): New method.
5638         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5639         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5640         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5641         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5642         the --[no-]fix-cortex-a8 command line options.
5643         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5644         (Target_arm::relocate_stub): Use addend in instruction template.
5645         * options.h (DEFINE_bool): Set the user-set flag.
5646         (General_options): Add --[no-]-fix-cortex options.
5647         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5648         : Update fast look-up map after conversion.
5649
5650 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5651
5652         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5653         in the first pass of do_layout.
5654
5655 2010-01-13  Doug Kwan  <dougkwan@google.com>
5656
5657         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5658         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5659         apparent compiler problem of not folding static constant integral
5660         data members of elfcpp::Elf_sizes<32>.
5661
5662 2010-01-13  Doug Kwan  <dougkwan@google.com>
5663
5664         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5665         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5666         Arm_relobj::scan_section_for_cortex_a8_erratum,
5667         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5668         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5669         sections to scan for relocation stubs into a new method
5670         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5671         relocation and Cortex-A8 stub scanning.
5672         (Target_arm::do_relax): Force stubs to be after stubbed sections
5673         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5674         the beginning of a new relaxation pass.  Update a comment.
5675         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5676
5677 2010-01-12  Ian Lance Taylor  <iant@google.com>
5678
5679         * target-reloc.h (visibility_error): New inline function.
5680         (relocate_section): Call visibility_error.
5681         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5682         (MOSTLYCLEANFILES): Likewise.
5683         (protected_4_pic.o, protected_3.err): New targets.
5684         * testsuite/protected_4.cc: New file.
5685
5686 2010-01-12  Doug Kwan  <dougkwan@google.com>
5687
5688         * arm.cc (Cortex_a8_reloc): New class.
5689         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5690         and cortex_a8_relocs_info_.
5691         (Target_arm::fix_cortex_a8): New method definition.
5692         (Target_arm::Cortex_a8_relocs_info): New type.
5693         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5694         New data member declarations.
5695         (Target_arm::scan_reloc_for_stub): Record information about
5696         relocations for THUMB branches that might be exempted from the
5697         Cortex-A8 workaround.
5698         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5699         at the beginning of a relaxation pass.
5700
5701 2010-01-12  Doug Kwan  <dougkwan@google.com>
5702
5703         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5704         (Arm_relobj::Mapping_symbol_position,
5705          Arm_reloj::Mapping_symbol_position_less,
5706          Arm_relobj::Mapping_symbols_info): New types.
5707         (Target_arm::is_mapping_symbol_name): New method definition.
5708         (Arm_relobj::do_count_local_symbols): Save information about mapping
5709         symbols.
5710
5711 2010-01-11  Doug Kwan  <dougkwan@google.com>
5712
5713         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5714         Arm_relocate_functions::thumb32_branch_upper,
5715         Arm_relocate_functions::thumb32_branch_lower,
5716         Arm_relocate_functions::thumb32_cond_branch_offset,
5717         Arm_relocate_functions::thumb32_cond_branch_upper,
5718         Arm_relocate_functions::thumb32_cond_branch_lower,
5719         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5720         branch offset encoding.
5721         (Arm_relocate_functions::thumb_branch_common): Use new branch
5722         offset encoding methods to avoid code duplication.
5723         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5724         (Stub_addend_reader::operator()): Use new branch encoding method
5725         to avoid code duplication.
5726
5727 2010-01-11  Doug Kwan  <dougkwan@google.com>
5728
5729         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5730         (Target_arm::do_finalize_sections): Define special EXIDX section
5731         symbols only if referenced.
5732         * gc.h (Garbage_collection::add_reference): New method.
5733         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5734         code duplication.
5735
5736 2010-01-11  Ian Lance Taylor  <iant@google.com>
5737
5738         * script.cc (Version_script_info::build_expression_list_lookup):
5739         Change complaing about duplicate wildcard match from error to
5740         warning.
5741
5742         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5743         of 2009-12-30.
5744         (Version_script_info::Version_script_info): Initialize globs_,
5745         default_version_, default_is_global_, and exact_.  Don't
5746         initialize globals_ or locals_.
5747         (Version_script_info::build_lookup_tables): Build local symbols
5748         first.
5749         (Version_script_info::unquote): New function.
5750         (Version_script_info::add_exact_match): New function.
5751         (Version_script_info::build_expression_list_lookup): Remove lookup
5752         parameter.  Add is_global parameter.  Change all callers.  Handle
5753         wildcard pattern specially.  Unquote pattern.  Call
5754         add_exact_match.
5755         (Version_script_info::get_name_to_match): New function.
5756         (Version_script_info::get_symbol_version): New function.
5757         (Version_script_info::get_symbol_version_helper): Remove.
5758         (Version_script_info::check_unmatched_names): Call unquote.
5759         * script.h (class Version_script_info): Change get_symbol_version
5760         to be non-inline and add is_global parameter; change all callers.
5761         Rewrite symbol_is_local.  Update declarations.  Define struct
5762         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5763         Remove globals_ and locals_ members.  Add exact_, globs_,
5764         default_version_, is_global_.
5765         (Version_script_info::Glob): Remove pattern, add expression and
5766         is_global.  Update constructor.  Change all callers.
5767         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5768         default version.
5769         (Versions::symbol_section_contents): If a symbol is undefined, or
5770         defined in a dynamic object, set the version index to
5771         VER_NDX_LOCAL.
5772         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5773         symbol_is_local.
5774         (Symbol_table::add_from_pluginobj): Likewise.
5775         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5776
5777 2010-01-11  Doug Kwan  <dougkwan@google.com>
5778
5779         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5780         (incremental_dump_LDADD): Add linking option for libintl.
5781         * Makefile.in: Regenerate.
5782
5783 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5784
5785         PR gold/11144
5786         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5787         instead of -Ds.
5788         * testsuite/Makefile.in: Regenerated.
5789
5790 2010-01-10  Doug Kwan  <dougkwan@google.com>
5791
5792         * options.h (DEFINE_var): Use parentheses around argument varname__
5793         in macro body to avoid any unintended subsequent substitutions.
5794
5795 2010-01-10  Ian Lance Taylor  <iant@google.com>
5796
5797         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5798         candidates before doing symbol resolution.
5799
5800         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5801         ODR candidates if only one is weak.
5802
5803 2010-01-08  Ian Lance Taylor  <iant@google.com>
5804
5805         * script.cc (Version_script_info::build_expression_list_lookup):
5806         Don't warn about ambiguous version, just record the ambiguity.
5807         (Version_script_info::get_symbol_version_helper): Give error if
5808         version is ambiguous.
5809
5810 2010-01-08  Doug Kwan  <dougkwan@google.com>
5811
5812         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5813           prev_data_size_ and prev_addralign_.  Remove initializer for
5814           deleted data member has_been_changed_.
5815           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5816           to determine if the table is empty.
5817           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5818           Remove.
5819           (Stub_table::add_reloc_stub): Define method in class definition
5820           instead of just declaring it there.
5821           (Stub_table::add_cortex_a8_stub): New method definition.
5822           (Stub_table::update_data_size_and_addralign): Ditto.
5823           (Stub_table::finalize_stubs): Ditto.
5824           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5825           (Stub_table::do_addralign_): Return address alignment in the
5826           (Stub_table::do_reset_address_and_file_offset): Define method in
5827           class definition instead of declaring it there.  Set current data
5828           size to be the data size of the previous pass.
5829           (Stub_table::set_final_data_size): Use current data size as the
5830           final data size.
5831           (Stub_table::relocate_stub): Change parameter type of stub from
5832           Reloc_stub pointer to Stub pointer.
5833           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5834           (Stub_table::Cortex_a8_stub_list): New typedef.
5835           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5836            Stub_table::prev_addralign_): New data member.
5837           (Arm_relobj::Arm_relobj): Initialize data member
5838           section_has_cortex_a8_workaround_.
5839           (Arm_relobj::section_has_cortex_a8_workaround,
5840            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5841            definitions.
5842           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5843           declarations.
5844           (Target_arm::relocate_stub): Change parameter type of stub from
5845           Reloc_stub pointer to Stub pointer.
5846           (Insn_template::size, Insn_template::alignment): Handle
5847           THUMB16_SPECIAL_TYPE.
5848           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5849            Stub_table::update_data_size_and_addralign,
5850            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5851           definitions.
5852           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5853           (Stub_table::do_write): Ditto.
5854           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5855
5856 2010-01-08  Ian Lance Taylor  <iant@google.com>
5857
5858         PR 11108
5859         * symtab.h (class Symbol): Remove fields is_target_special_ and
5860         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5861         (Symbol::is_defined_in_discarded_section): New function.
5862         (Symbol::set_is_defined_in_discarded_section): New function.
5863         (Symbol::has_plt_offset): Rewrite.
5864         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5865         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5866         Don't initialize is_target_special_ or has_plt_offset_.
5867         Initialize is_defined_in_discarded_section_.
5868         (Symbol_table::add_from_relobj): If appropriate, set
5869         is_defined_in_discarded_section.
5870         * resolve.cc (Symbol::override_base_with_special): Don't test
5871         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5872         * target-reloc.h (relocate_section): Do special handling for
5873         symbols defined in discarded sections for global symbols as well
5874         as local symbols.
5875
5876 2010-01-08  Ian Lance Taylor  <iant@google.com>
5877
5878         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5879         the SHT_SYMTAB case.
5880
5881 2010-01-08  Ian Lance Taylor  <iant@google.com>
5882
5883         * object.cc (Sized_relobj::do_layout): Don't get confused if
5884         layout_eh_frame returns NULL.
5885
5886 2010-01-08  Ian Lance Taylor  <iant@google.com>
5887
5888         PR 11084
5889         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5890         dynamic symbol table, use the normal symbol table.
5891         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5892         symbol table.
5893
5894 2010-01-08  Ian Lance Taylor  <iant@google.com>
5895
5896         PR 11072
5897         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5898         sections.
5899
5900 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5901
5902         * version.cc (print_version): Change to "Copyright 2010".
5903
5904 2010-01-08  Ian Lance Taylor  <iant@google.com>
5905
5906         PR 10287
5907         PR 11063
5908         * i386.cc (class Target_i386): Change return type of plt_section
5909         to be non-const.
5910         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5911         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5912         tls_desc_rel_ field.
5913         (Output_data_plt_i386::rel_tls_desc): New function.
5914         (Target_i386::rel_tls_desc_section): New function.
5915         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5916         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5917         R_386_TLS_DESC reloc in rel_tls_desc_section.
5918         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5919         Define struct Tlsdesc_info.
5920         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5921         (Target_x86_64::do_reloc_symbol_index): New function.
5922         (Target_x86_64::add_tlsdesc_info): New function.
5923         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5924         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5925         tlsdesc_rel_ field.
5926         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5927         all callers.
5928         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5929         (Target_x86_64::rela_tlsdesc_section): New function.
5930         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5931         handling.
5932         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5933         (Target_x86_64::do_reloc_addend): New function.
5934         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5935         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5936         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5937         (Output_reloc::type): New function.
5938         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5939         (Output_reloc::is_target_specific): New function.
5940         (Output_reloc::target_arg): New function.
5941         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5942         absolute relocs and target specific relocs.
5943         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5944         add_target_specific.
5945         (class Output_data_reloc) [SHT_RELA]: Likewise.
5946         * output.cc (Output_reloc::Output_reloc): Add four new versions
5947         for absolute relocs and target specific relocs.
5948         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5949         (Output_reloc::get_symbol_index): Likewise.
5950         (Output_reloc::local_section_offset): Check that local_sym_index_
5951         is not TARGET_CODE or 0.
5952         (Output_reloc::symbol_value): Likewise.
5953         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5954         reloc.
5955         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5956         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5957         functions.
5958         * layout.cc (add_target_dynamic_tags): Use output section for
5959         DT_PLTRELSZ and DT_JMPREL.
5960
5961 2010-01-07  Ian Lance Taylor  <iant@google.com>
5962
5963         PR 11061
5964         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5965         function.
5966         (class Output_data_reloc_generic): Define.
5967         (class Output_data_reloc_base): Change base class to
5968         Output_data_reloc_generic.  Change add() method to call
5969         bump_relative_reloc_count for a relative reloc.  Remove
5970         sort_relocs_ field.
5971         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5972         to sort_relocs().
5973         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5974         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5975         appropriate.
5976         * layout.h (class Layout): Update declaration.
5977
5978 2010-01-07  Ian Lance Taylor  <iant@google.com>
5979
5980         * output.h (class Output_data): Add const version of
5981         output_section and do_output_section.
5982         (class Output_section_data): Add const version of
5983         do_output_section.
5984         (class Output_section): Likewise.
5985         * layout.cc (Layout::add_target_dynamic_tags): New function.
5986         * layout.h (class Layout): Update declarations.
5987         * arm.cc (Target_arm::do_finalize_sections): Use
5988         add_target_dynamic_tags.
5989         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5990         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5991         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5992         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5993
5994 2010-01-07  Ian Lance Taylor  <iant@google.com>
5995
5996         PR 11042
5997         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5998         object as needed.
5999
6000 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6001             Ian Lance Taylor  <iant@google.com>
6002
6003         PR 11019
6004         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6005         Xindex::read_symtab_xindex.
6006
6007 2010-01-07  Doug Kwan  <dougkwan@google.com>
6008
6009         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6010         (Insn_template::thumb16_bcond_insn): New method declaration.
6011         (Insn_template): Fix spelling.
6012         (Stub::thumb16_special): New method declaration.
6013         (Stub::do_write): Define virtual method which was previously pure
6014         virtual.
6015         (Stub::do_thumb16_special): New method declaration.
6016         (Stub::do_fixed_endian_write): New template member.
6017         (Reloc_stub::do_write): Remove.
6018         (Reloc_stub::do_fixed_endian_write): Remove.
6019         (Cortex_a8_stub): New class definition.
6020         (Stub_factory::make_cortex_a8_stub): New method definition.
6021         (Stub_factory::Stub_factory): Add missing static storage class
6022         qualifier for elf32_arm_stub_a8_veneer_blx.
6023
6024 2010-01-07  Ian Lance Taylor  <iant@google.com>
6025
6026         PR 10980
6027         * options.h (class General_options): Add --warn-unresolved-symbols
6028         and --error-unresolved-symbols.
6029         * errors.cc (Errors::undefined_symbol): Implement
6030         --warn-unresolved-symbols.
6031
6032         * options.h (class General_options): Add -z text and -z textoff.
6033         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6034
6035 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6036
6037         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6038         (Garbage_collection::cident_sections): New function.
6039         (Garbage_collection::add_cident_section): New function.
6040         (Garbage_collection::cident_sections_): New member.
6041         (gc_process_relocs): Add references to sections whose names are C
6042         identifiers.
6043         * gold.h (cident_section_start_prefix): New constant.
6044         (cident_section_stop_prefix): New constant.
6045         (is_cident): New function.
6046         * layout.cc (Layout::define_section_symbols): Replace string constants
6047         with the newly defined constants.
6048         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6049         C identifiers.
6050         * testsuite/Makefile.am: Add gc_orphan_section_test.
6051         * testsuite/Makefile.in: Regenerate.
6052         * testsuite/gc_orphan_section_test.cc: New file.
6053         * testsuite/gc_orphan_section_test.sh: New file.
6054
6055 2010-01-06  Ian Lance Taylor  <iant@google.com>
6056
6057         PR 10980
6058         * options.h (class General_options): Add --warn-shared-textrel.
6059         * layout.cc (Layout::finish_dynamic_section): Implement
6060         --warn-shared-textrel.
6061
6062         PR 10980
6063         * options.h (class General_options): Add --warn-multiple-gp.
6064
6065 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6066
6067         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6068         $(THREADSLIB) and $(LIBDL).
6069         * Makefile.in: Rebuild.
6070
6071 2010-01-06  Ian Lance Taylor  <iant@google.com>
6072
6073         PR 10980
6074         * options.cc (General_options::parse_section_start): New function.
6075         (General_options::section_start): New function.
6076         (General_options::General_options): Initialize all members.
6077         * options.h: Include <map>
6078         (class General_options): Add --section-start.  Add section_starts_
6079         member.
6080         * layout.cc (Layout::attach_allocated_section_to_segment): If
6081         --section-start was used, set the address of the segment.  Remove
6082         local sort_sections.
6083         (Layout::relaxation_loop_body): If the address of the load segment
6084         has been set by --section-start, don't use it.
6085         * output.h (Output_segment::update_flags_for_output_section): New
6086         function.
6087         * output.cc (Output_segment::add_output_section): Call
6088         update_flags_for_output_section.
6089
6090 2010-01-05  Ian Lance Taylor  <iant@google.com>
6091
6092         PR 10980
6093         * options.h (class General_options): Add --undefined-version.
6094         * script.cc (struct Version_expression): Add was_matched_by_symbol
6095         field.
6096         (Version_script_info::matched_symbol): New function.
6097         (Version_script_info::get_symbol_version_helper): Call
6098         matched_symbol.
6099         (Version_script_info::check_unmatched_names): New function.
6100         * script.h (class Version_script_info): Update declarations.
6101         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6102
6103         * options.h (class General_options): Use DEFINE_bool_alias for
6104         allow_multiple_definition.
6105         * resolve.cc (Symbol_table::should_override): Don't test
6106         allow_multiple_definition.
6107
6108         PR 10980
6109         * options.h (class General_options): Add --cref.
6110         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6111         until after printing cref table.
6112         * cref.cc: Include "symtab.h".
6113         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6114         (Cref_table_compare::operator()): New function.
6115         (Cref_inputs::gather_cref): New function.
6116         (filecol): New static const.
6117         (Cref_inputs::print_cref): New function.
6118         (Cref::print_cref): New function.
6119         * cref.h: Include <cstdio>.
6120         (class Cref): Update declarations.
6121         * mapfile.h (Mapfile::file): New function.
6122         * object.h (class Object): Define Symbols.  Declare virtual
6123         do_get_global_symbols.
6124         (Object::get_global_symbols): New function.
6125         * object.cc (Input_objects::add_object): Pass object to cref_ if
6126         --cref.
6127         (Input_objects::archive_start): Likewise.
6128         (Input_objects::archive_stop): Likewise.
6129         (Input_objects::print_cref): New function.
6130         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6131         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6132         --cref.
6133         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6134         function.
6135         * plugin.h (class Sized_pluginobj): Update declarations.
6136
6137 2010-01-05  Ian Lance Taylor  <iant@google.com>
6138
6139         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6140         to is_default_version.  Rename insdef to insdefault.
6141         (Symbol_table::add_from_relobj): Rename def to is_default_version
6142         and local to is_forced_local.
6143         (Symbol_table::add_from_pluginobj): Likewise.
6144         (Symbol_table::add_from_dynobj): Likewise.
6145         (Symbol_table::define_special_symbol): Rename insdef to
6146         insdefault.
6147
6148 2010-01-04  Ian Lance Taylor  <iant@google.com>
6149
6150         PR 10980
6151         * options.h (class General_options): Add
6152         --allow-multiple-definition and -z muldefs.
6153         * resolve.cc (Symbol_table::should_override): Don't warn about a
6154         multiple symbol definition if --allow-multiple-definition or -z
6155         muldefs.
6156
6157         PR 10980
6158         * options.h (class General_options): Add --add-needed and
6159         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6160         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6161         error if --copy-dt-needed-entries aka --add-needed is used and
6162         would cause a change in behaviour.
6163
6164         PR 10980
6165         * options.h (class General_options): Add -G as a short version of
6166         --shared.  Add no-op options -assert, -g, and -i.
6167
6168 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6169
6170         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6171         check for .text or .gnu.linkonce.t sections.
6172         * icf.cc (Icf::find_identical_sections): Ditto.
6173         Change the detection for mangled function name within the section
6174         name.
6175         * icf.h (is_section_foldable_candidate): New function.
6176
6177 2009-12-30  Ian Lance Taylor  <iant@google.com>
6178
6179         PR 10980
6180         * options.h (class General_options): Permit two dashes with
6181         --retain-symbols-file.
6182
6183 2009-12-30  Ian Lance Taylor  <iant@google.com>
6184
6185         PR 10979
6186         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6187         don't put the file header and segment headers in the text
6188         segment.
6189
6190         PR 10979
6191         * common.cc (Sort_commons::operator()): Stabilize sort when both
6192         entries are NULL.
6193         (Symbol_table::do_allocate_commons_list): When allocating common
6194         symbols, skip a symbol which is no longer common.
6195         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6196         an object before checking its type.
6197         * testsuite/common_test_2.c: New file.
6198         * testsuite/common_test_3.c: New file.
6199         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6200         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6201         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6202         (common_test_2_pic.o, common_test_2.so): New targets.
6203         (common_test_3_pic.o, common_test_3.so): New targets.
6204         * testsuite/Makefile.in: Rebuild.
6205
6206         PR 10979
6207         * script.cc (read_input_script): If we see a new SECTIONS clause,
6208         and we have added an input section, give an error.
6209         * layout.h (class Layout): Add have_added_input_section function.
6210         Add have_added_input_section_ field.
6211         * layout.cc (Layout::Layout): Initialize
6212         have_added_input_section_.
6213         (Layout::layout): Set have_added_input_section_.
6214         (Layout::layout_eh_frame): Likewise.
6215
6216 2009-12-30  Ian Lance Taylor  <iant@google.com>
6217
6218         PR 10931
6219         * options.h (class General_options): Add --sort-common option.
6220         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6221         * common.cc (Sort_common): Add sort_order parameter to
6222         constructor.  Add sort_order_ field.
6223         (Sort_commons::operator): Check sort_order_.
6224         (Symbol_table::allocate_commons): Determine the sort order.
6225         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6226         Change all callers.
6227         (Symbol_table::do_allocate_commons_list): Likewise.
6228
6229 2009-12-30  Ian Lance Taylor  <iant@google.com>
6230
6231         PR 10916
6232         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6233         symbols from this object, don't change the visibility of an
6234         undefined symbol.
6235         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6236
6237 2009-12-30  Ian Lance Taylor  <iant@google.com>
6238
6239         PR 10861
6240         * script.h (class Version_script_info): Define Language enum.
6241         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6242         new fields globals_, locals_, and is_finalized_.
6243         * script.cc: Various formatting fixes.
6244         (class Parser_closure): Change language_stack_ from a vector of
6245         std::string to one of Version_script_info::Language.  Adjust all
6246         uses accordingly.
6247         (class Lazy_demangler): Remove.
6248         (struct Version_expression): Change language from std::string to
6249         Version_script_info::Language.
6250         (Version_script_info::Version_script_info): New function.
6251         (Version_script_info::~Version_script_info): Don't call clear.
6252         (Version_script_info::finalize): New function.
6253         (Version_script_info::build_lookup_tables): New function.
6254         (Version_script_info::build_expression_list_lookup): New
6255         function.
6256         (Version_script_info::get_symbol_version_helper): Rewrite to use
6257         lookup tables.
6258         (Version_script_info::print_expression_list): Adjust to use
6259         Version_script_info::Language.
6260         (script_push_lex_into_version_mode): Check that the version script
6261         has not been finalized.
6262         (version_script_push_lang): Change language string to
6263         Version_script_info::Language.
6264         * options.cc (Command_line::version_script): New function.
6265         * options.h (class General_options): Add finalize_dynamic_list
6266         function.  Change version_script from declaration to definition.
6267         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6268         * testsuite/version_script.map: Remove duplicate def of foo.
6269         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6270         version_script.map.
6271         * testsuite/Makefile.in: Rebuild.
6272
6273 2009-12-30  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10843
6276         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6277         if the input symbol index is 0, make the output symbol index 0.
6278
6279 2009-12-30  Ian Lance Taylor  <iant@google.com>
6280
6281         PR 10670
6282         * options.h (class General_options): Add -x/--discard-all.
6283         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6284         --discard-all.  If the local symbol needs a dynamic entry, check
6285         that before handling --discard-locals.
6286
6287 2009-12-30  Ian Lance Taylor  <iant@google.com>
6288
6289         PR 10450
6290         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6291         flags to PF_R.
6292         (Output_segment::add_output_section): Don't change the flags if
6293         the type is PT_TLS.
6294
6295         PR 10450
6296         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6297         GNU hash table if they need a dynamic value.  Otherwise, don't add
6298         them if they are defined in a dynamic object or are forced local.
6299
6300 2009-12-29  Ian Lance Taylor  <iant@google.com>
6301
6302         PR 10450
6303         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6304         .gnu.hash table for a 32-bit target.
6305
6306         PR 10450
6307         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6308         regular and a dynamic object only needs a dynamic symbol table
6309         entry if it is externally visible.
6310
6311         PR 10450
6312         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6313         constructor.  Add global_offset_table_ field.
6314         (Target_i386::got_section): Set global_offset_table_.
6315         (Target_i386::do_finalize_sections): Set global_offset_table_
6316         size.
6317         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6318         in constructor.  Add global_offset_table_ field.
6319         (Target_x86_64::got_section): Set global_offset_table_.
6320         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6321         size.
6322
6323         * layout.cc (Layout::Layout): Initialize increase_relro_.
6324         (Layout::get_output_section): Add is_relro, is_last_relro, and
6325         is_first_non_relro parameters.  Change all callers.
6326         (Layout::choose_output_section): Likewise.
6327         (Layout::add_output_section_data): Likewise.
6328         (Layout::make_output_section): Likewise.
6329         (Layout::set_segment_offsets): Clear increase_relro when using a
6330         linker script.
6331         * layout.h (class Layout): Add increase_relro method.  Add
6332         increase_relro_ field.  Update declarations.
6333         * output.cc (Output_section::Output_section): Initialize
6334         is_last_relro_ and is_first_non_relro_.
6335         (Output_segment::add_output_section): Group relro sections is
6336         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6337         (Output_segment::maximum_alignment): Remove relro handling.
6338         (Output_segment::set_section_addresses): Add increase_relro
6339         parameter.  Change all callers.  Add initial alignment to align
6340         relro sections on separate page.  Remove old relro handling.
6341         (Output_segment::set_section_list_addresses): Remove in_relro
6342         parameter.  Change all callers.
6343         (Output_segment::set_offset): Add increase parameter.  Change all
6344         callers.  Remove old relro handling.
6345         * output.h (class Output_section): Add new methods: is_last_relro,
6346         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6347         Add is_last_relro_ and is_first_non_relro_ fields.
6348         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6349         Create separate .got.plt section.  Call increase_relro.
6350         * x86_64.cc (Target_x86_64::got_section): Likewise.
6351         * testsuite/relro_script_test.t: Add .got.plt.
6352
6353         PR 10450
6354         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6355         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6356         (Layout::finalize): Call set_dynamic_symbol_size.
6357         (Layout::set_dynamic_symbol_size): New function.
6358         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6359         set_dynamic_symbol_size.
6360
6361         PR 10450
6362         * output.h (class Output_section): Add is_entsize_zero_ field.
6363         * output.cc (Output_section::Output_section): Initialize
6364         is_entsize_zero_.
6365         (Output_section::set_entsize): If two different entsizes are
6366         requested, force it to zero.
6367         (Output_section::add_input_section): Set flags for .debug_str
6368         before updating section flags.  Set entsize.
6369         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6370         and SHF_STRING if all input sections have those flags.
6371
6372 2009-12-29   Rafael Espindola  <espindola@google.com>
6373
6374         * main.cc (main): Fix the sys time reporting.
6375         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6376         reporting.
6377
6378 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6379
6380         * options.cc (General_options::parse_version): Allow -v to exit
6381         without an error if there is nothing to link.
6382
6383 2009-12-29  Ian Lance Taylor  <iant@google.com>
6384
6385         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6386         using a version of gcc before 4.1.
6387         * configure: Rebuild.
6388
6389 2009-12-28  Chris Demetriou  <cgd@google.com>
6390
6391         * attributes.cc (Output_attributes_section_data::do_write): Use
6392         std::vector::front rather than std::vector::data.
6393
6394 2009-12-28  Ian Lance Taylor  <iant@google.com>
6395
6396         * symtab.h (class Symbol_table): Add enum Defined.
6397         * resolve.cc (Symbol_table::should_override): Add defined
6398         parameter.  Change all callers.  Test whether object is NULL
6399         before calling a method on it.
6400         (Symbol_table::report_resolve_problem): Add defined parameter.
6401         Change all callers.
6402         (Symbol_table::should_override_with_special): Likewise.
6403         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6404         parameter.  Change all callers.
6405         (Symbol_table::do_define_in_output_data): Likewise.
6406         (Symbol_table::define_in_output_segment): Likewise.
6407         (Symbol_table::do_define_in_output_segment): Likewise.
6408         (Symbol_table::define_as_constant): Likewise.
6409         (Symbol_table::do_define_as_constant): Likewise.
6410         * script.h (class Symbol_assignment): Add is_defsym parameter to
6411         constructor; change all callers.
6412         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6413         parameter.  Change all callers.  Add is_defsym_ field.
6414         (class Parser_closure): Add parsing_defsym parameter to
6415         constructor; change all callers.  Add parsing_defsym accessor
6416         function.  Add parsing_defsym_ field.
6417
6418 2009-12-28  Ian Lance Taylor  <iant@google.com>
6419
6420         * gold.cc (queue_middle_tasks): Fix formatting.
6421         * object.cc (Relobj::is_section_name_included): Likewise.
6422
6423 2009-12-23  Ian Lance Taylor  <iant@google.com>
6424
6425         * i386.cc (Target_i386::do_calls_non_split): Recognize
6426         -fsplit-stack prologue for a function with a static chain.
6427         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6428         -fsplit-stack prologue when using %r11.
6429
6430 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6431
6432         * options.cc (General_options::parse_version): Make -v continue and do
6433         the link like GNU ld does.
6434
6435 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6436
6437         * Makefile.am (CCFILES): Add timer.cc.
6438         (HFILES): Add timer.h.
6439         * configure.ac: Check for sysconf and times.
6440         * main.cc: include timer.h.
6441         (main): Use Timer instead of get_run_time.
6442         * timer.cc: New.
6443         * timer.h: New.
6444         * workqueue.cc: include timer.h.
6445         (Workqueue::find_and_run_task):
6446         Report user, sys and wall time.
6447         * Makefile.in: Regenerate.
6448         * config.in: Regenerate.
6449         * configure: Regenerate.
6450
6451 2009-12-16  Doug Kwan  <dougkwan@google.com>
6452
6453         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6454         sections.
6455         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6456         relaxed input sections.
6457         * output.cc (Output_section::find_relaxed_input_section): Change
6458         return type to Output_relaxed_input_section pointer.  Adjust code
6459         for new type of relaxed_input_section_map_.
6460         * output.h (Output_section::find_relaxed_input_section): Change
6461         return type to Output_relaxed_input_section pointer.
6462         (Output_section::Output_relaxed_input_section_by_input_section_map):
6463         New type.
6464         (Output_section::relaxed_input_section_map_): Change type to
6465         Output_section::Output_relaxed_input_section_by_input_section_map.
6466         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6467         input section.
6468
6469 2009-12-15  Ian Lance Taylor  <iant@google.com>
6470
6471         * layout.cc (Layout::create_shstrtab): Only write out after input
6472         sections if we are compressing debug sections.
6473
6474 2009-12-15  Ian Lance Taylor  <iant@google.com>
6475
6476         * archive.cc (Archive::add_symbols): Only look up a symbol without
6477         a version if there is, in fact, a version.
6478
6479 2009-12-14  Ian Lance Taylor  <iant@google.com>
6480
6481         Revert -Wshadow changes, all changes from:
6482         2009-12-11  Doug Kwan  <dougkwan@google.com>
6483         2009-12-11  Nick Clifton  <nickc@redhat.com>
6484         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6485
6486 2009-12-11  Doug Kwan  <dougkwan@google.com>
6487
6488         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6489         due to -Wshadow.
6490         * attributes.cc (Object_attribute::size): Ditto.
6491         (Attributes_section_data::size): Ditto.
6492         (Attributes_section_data::Attributes_section_data): Ditto.
6493         (Output_attributes_section_data::do_write): Ditto.
6494         * attributes.h (Object_attribute::set_type): Ditto.
6495         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6496
6497 2009-12-11  Nick Clifton  <nickc@redhat.com>
6498
6499         * archive.cc: Fix shadowed variable warnings.
6500         * arm.cc: Likewise.
6501         * compressed_output.cc: Likewise.
6502         * compressed_output.h: Likewise.
6503         * configure: Likewise.
6504         * dwarf_reader.cc: Likewise.
6505         * dynobj.cc: Likewise.
6506         * dynobj.h: Likewise.
6507         * ehframe.cc: Likewise.
6508         * ehframe.h: Likewise.
6509         * errors.cc: Likewise.
6510         * expression.cc: Likewise.
6511         * fileread.cc: Likewise.
6512         * fileread.h: Likewise.
6513         * freebsd.h: Likewise.
6514         * i386.cc: Likewise.
6515         * icf.cc: Likewise.
6516         * incremental.h: Likewise.
6517         * layout.cc: Likewise.
6518         * layout.h: Likewise.
6519         * mapfile.cc: Likewise.
6520         * merge.cc: Likewise.
6521         * merge.h: Likewise.
6522         * object.cc: Likewise.
6523         * object.h: Likewise.
6524         * options.h: Likewise.
6525         * output.cc: Likewise.
6526         * output.h: Likewise.
6527         * parameters.cc: Likewise.
6528         * plugin.cc: Likewise.
6529         * powerpc.cc: Likewise.
6530         * reduced_debug_output.cc: Likewise.
6531         * reduced_debug_output.h: Likewise.
6532         * reloc.cc: Likewise.
6533         * reloc.h: Likewise.
6534         * resolve.cc: Likewise.
6535         * script-sections.cc: Likewise.
6536         * script.cc: Likewise.
6537         * script.h: Likewise.
6538         * sparc.cc: Likewise.
6539         * symtab.cc: Likewise.
6540         * symtab.h: Likewise.
6541         * target-select.cc: Likewise.
6542         * target-select.h: Likewise.
6543         * token.h: Likewise.
6544         * workqueue.cc: Likewise.
6545         * workqueue.h: Likewise.
6546         * x86_64.cc: Likewise.
6547
6548 2009-12-10  Doug Kwan  <dougkwan@google.com>
6549
6550         * arm.cc (attributes.h): New include.
6551         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6552         (Arm_relobj::~Arm_relobj): Delete object pointed by
6553         attributes_section_data_.
6554         (Arm_relobj::attributes_section_data): New method definition.
6555         (Arm_relobj::attributes_section_data_): New data member declaration.
6556         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6557         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6558         attributes_section_data_.
6559         (Arm_dynobj::attributes_section_data): New method definition.
6560         (Arm_dynobj::attributes_section_data_): New data member declaration.
6561         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6562         initialization value of may_use_blx_ to false.
6563         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6564         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6565         object attributes to compute results instead of hard-coding.
6566         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6567         Target_arm::get_secondary_compatible_arch,
6568         Target_arm::set_secondary_compatible_arch
6569         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6570         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6571         New method declarations.
6572         (Target_arm::get_aeabi_object_attribute): New method definition.
6573         (Target_arm::attributes_section_data_): New data member declaration.
6574         (read_arm_attributes_section): New template definition.
6575         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6576         (Arm_dynobj::do_read_symbols): Ditto.
6577         (Target_arm::do_finalize_sections): Merge attributes sections from
6578         input.  Check for BLX use after attributes section merging.
6579         Fix __exidx_start and __exidx_end visibility.  Create an
6580         .ARM.attributes section if necessary.
6581         (Target_arm::get_secondary_compatible_arch,
6582         Target_arm::set_secondary_compatible_arch,
6583         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6584         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6585         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6586         New method definitions.
6587
6588 2009-12-09  Ian Lance Taylor  <iant@google.com>
6589
6590         * plugin.cc (Plugin::load): Don't cast from void* to a function
6591         pointer.
6592
6593 2009-12-09  Ian Lance Taylor  <iant@google.com>
6594
6595         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6596         information fields.
6597
6598 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6599
6600         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6601         Replace two_file_shared_1.so with two_file_shared_2.so.
6602         * testsuite/Makefile.in: Regenerated.
6603
6604 2009-12-08  Doug Kwan  <dougkwan@google.com>
6605
6606         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6607         (HFILES): Add attributes.h and int_encoding.h.
6608         * Makefile.in: Regenerate.
6609         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6610         function definitions to int_encoding.cc
6611         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6612         prototypes to int_encoding.h
6613         * reduced_debug_output.cc (int_encoding.h): New include.
6614         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6615         function definitions to int_encoding.cc
6616         (insert_into_vector, read_from_pointer): Move template definitions to
6617         int_encoding.h
6618         * attributes.cc: New file.
6619         * attributes.h: New file.
6620         * int_encoding.cc: New file.
6621         * int_encoding.h: New file.
6622
6623 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6624
6625         PR gold/11055
6626         * incremental-dump.cc (dump_incremental_inputs): New.
6627         (main): Use dump_incremental_inputs.
6628
6629 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6630
6631         PR gold/10893
6632         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6633         checking elfcpp::STT_FUNC.
6634         (Target_i386::Relocate::relocate): Likewise.
6635         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6636
6637         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6638         symbols from shared libraries into normal FUNC symbols.
6639
6640         * symtab.h (Symbol): Add is_func and use it.
6641
6642 2009-12-05  Doug Kwan  <dougkwan@google.com>
6643
6644         * arm.cc (Target_arm::arm_info): Initialize new fields
6645         attributes_section and attributes_vendor.
6646         * i386.cc (Target_i386::i386_info): Same.
6647         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6648         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6649         fields attributes_section and attributes_vendor.
6650         * sparc.cc (Target_sparc::sparc_info): Same.
6651         * target.h (Target::attributes_section, Target::attributes_vendor,
6652         Target::is_attributes_section, Target::attribute_arg_type,
6653         Target::attributes_order): New method definitions.
6654         (Target::Target_info::attributes_section,
6655         Target::Target_info::attributes_vendor): New fields.
6656         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6657         virtual method definitions.
6658         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6659         attributes_section and attributes_vendor.
6660         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6661
6662 2009-12-05  Doug Kwan  <dougkwan@google.com>
6663
6664         * arm.cc: Update comments about interworking and stub generation.
6665         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6666         considered as non-PIC.
6667         (Arm_relocate_functions::base_abs): Fix formatting.
6668         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6669         of function to use GOT entry address instead of offset.
6670         (Target_arm::Scan::global): Issue an error if a symbol would need a
6671         PLT does not get one because it is untyped.  Remove code to create
6672         dynamic symbols for relative branches.
6673         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6674         takes unsigned integer instead of boolean.
6675
6676 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6677
6678         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6679         (two_file_test_LDADD): Likewise.
6680         (common_test_1_LDADD): Likewise.
6681         (exception_test_LDADD) Likewise.
6682         (weak_test_LDADD): Likewise.
6683         (many_sections_test_LDADD): Likewise.
6684         (initpri1_LDADD): Likewise.
6685         (script_test_1_LDADD): Likewise.
6686         (script_test_2_LDADD): Likewise.
6687         (justsyms_LDADD): Likewise.
6688         (binary_test_LDADD): Likewise.
6689         (large_LDADD): Likewise.
6690         * testsuite/Makefile.in: Regenerated.
6691
6692 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6693
6694         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6695         (Symbol_table::override_with_special): Likewise.
6696         (Symbol_table::add_from_object): Likewise.
6697
6698 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6699
6700         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6701         Don't set the data_offset twice.
6702
6703 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6704
6705         * testsuite/Makefile.in: Regenerate.
6706
6707 2009-12-03  Doug Kwan  <dougkwan@google.com>
6708
6709         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6710         (Target_arm::do_finalize_sections): Add parameter for symbol table
6711         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6712         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6713         parameter for symbol table pointer.
6714         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6715         an additional parameter for a pointer to symbol table.
6716         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6717         parameter for a symbol table pointer.
6718         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6719         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6720         Ditto.
6721         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6722         parameter for a symbol table pointer.
6723
6724 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6725
6726         * incremental.cc (Incremental_inputs_header)
6727         (Incremental_inputs_header_write, Incremental_inputs_entry)
6728         (Incremental_inputs_entry_write): Move ...
6729         * incremental.h (Incremental_inputs_header)
6730         (Incremental_inputs_header_write, Incremental_inputs_entry)
6731         (Incremental_inputs_entry_write): here.
6732
6733 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6734
6735         * incremental.cc (make_sized_incremental_binary): Set the target.
6736         Error if it is incompatible.
6737         * output.h (Output_file): Add filename method.
6738
6739 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6740
6741         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6742         from the get_* methods.
6743
6744 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6745
6746         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6747         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6748         Write 0 for the data_offset of scripts.
6749
6750 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6751
6752         * testsuite/Makefile.am: Add the incremental_test.sh test.
6753         * testsuite/incremental_test.sh: New.
6754         * testsuite/incremental_test_1.c: New.
6755         * testsuite/incremental_test_2.c: New.
6756
6757 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6758
6759        * incremental-dump.cc (main): Fix typos.
6760
6761 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6762
6763         PR gold/11025
6764         * incremental-dump.cc (main): Use llu to print 64 bit values.
6765
6766 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6767             H.J. Lu  <hongjiu.lu@intel.com>
6768
6769         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6770         $(LIBDL).
6771         (incremental_dump_LDADD): Likewise.
6772         * Makefile.in: Regenerated.
6773
6774 2009-11-25  Doug Kwan  <dougkwan@google.com>
6775
6776         Revert:
6777
6778         2009-11-25  Doug Kwan  <dougkwan@google.com>
6779
6780                 * arm.cc (Target_arm::Target_arm): Move method definition
6781                 outside of class definition.  Add code to handle
6782                 --target1-rel, --target1-abs and --target2= options.
6783                 (Target_arm::get_reloc_reloc_type): Change method to be
6784                 non-static and const.
6785                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6786                 New data member declaration.
6787                 (Target_arm::Scan::local, Target_arm::Scan::global,
6788                 Target_arm::Relocate::relocate,
6789                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6790                 Adjust call to Target_arm::get_real_reloc_type.
6791                 (Target_arm::get_real_reloc_type): Use command line options
6792                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6793                 * options.h (--target1-rel, --target1-abs, --target2): New
6794                 ARM-only options.
6795
6796 2009-11-25  Doug Kwan  <dougkwan@google.com>
6797
6798         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6799         class definition.  Add code to handle --target1-rel, --target1-abs
6800         and --target2= options.
6801         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6802         and const.
6803         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6804         member declaration.
6805         (Target_arm::Scan::local, Target_arm::Scan::global,
6806         Target_arm::Relocate::relocate,
6807         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6808         call to Target_arm::get_real_reloc_type.
6809         (Target_arm::get_real_reloc_type): Use command line options to
6810         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6811         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6812         options.
6813
6814 2009-11-25  Doug Kwan  <dougkwan@google.com>
6815
6816         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6817         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6818         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6819         formatting.
6820         (Arm_relocate_functions::thm_call): Replace body with a call to
6821         Arm_relocate_functions::thumb_branch_common.
6822         (Arm_relocate_functions::thm_jump24,
6823         Arm_relocate_functions::thm_xpc22): New method definitions.
6824         (Arm_relocate_functions::thumb_branch_common): New method definition.
6825         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6826         operator.
6827         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6828         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6829
6830 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6831
6832         * Makefile.am: Build incremental-dump
6833         * Makefile.in: Regenerate.
6834         * incremental-dump.cc: New.
6835         * incremental.cc (Incremental_inputs_header_data,
6836         Incremental_inputs_entry_data): Move to incremental.h
6837         * incremental.h: (Incremental_inputs_header_data,
6838         Incremental_inputs_entry_data): Move from incremental.cc
6839
6840 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6841
6842         * incremental.cc (Incremental_inputs_header,
6843         Incremental_inputs_header_write, Incremental_inputs_entry,
6844         Incremental_inputs_entry_write): Add a typedef with the data type.
6845
6846 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6847
6848         * incremental.cc (Incremental_inputs_header,
6849         Incremental_inputs_header_write, Incremental_inputs_entry,
6850         Incremental_inputs_entry_write): Update comment about which
6851         type has the filed descriptions.
6852
6853 2009-11-15  Doug Kwan  <dougkwan@google.com>
6854
6855         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6856         (Arm_relocate_functions::arm_branch_common): Change method defintion
6857         in class definition to a method declaration and update list of formal
6858         parameters.
6859         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6860         Arm_relocation_functions::jump24): Adjust call to
6861         Arm_relocate_functions::arm_branch_common.  Update list of formal
6862         parameters.
6863         (Arm_relocate_functions::xpc25): New method definition.
6864         (Arm_relocate_functions::arm_branch_common): Move method defintion
6865         out from class definition.  Use stubs for mode-switching and extending
6866         branch ranges.
6867         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6868         specially.  Change code to enable use of stubs in ARM branches.
6869
6870 2009-11-10  Doug Kwan  <dougkwan@google.com>
6871
6872         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6873         in method declaration.
6874         (Target_arm::relocate_stub): New method declaration.
6875         (Target_arm::default_target): Change to return a pointer instead of
6876         a const reference.
6877         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6878         Target_arm::default_target.
6879         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6880         method definition.
6881         (Target_arm::relocate_section): Adjust view.
6882         (Target_arm::relocate_stub): New method definition.
6883
6884 2009-11-10  Doug Kwan  <dougkwan@google.com>
6885
6886         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6887         a format warning.
6888         * incremental.cc (open_incremental_binary): Initialized local
6889         variables to avoid warnings.
6890         * object.cc (make_elf_object): Ditto.
6891         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6892         a format warning.
6893
6894 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6895
6896         PR gold/10930
6897         * testsuite/plugin_test.c: Include "config.h".
6898
6899 2009-11-09  Doug Kwan  <dougkwan@google.com>
6900
6901         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6902         (arm_symbol_value): Remove.
6903         (Arm_relocate_functions::arm_branch_common,
6904         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6905         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6906         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6907         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6908         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6909         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6910         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6911         Arm_relocate_functions::thm_mobw_abs_nc,
6912         Arm_relocate_functions::thm_mov_abs,
6913         Arm_relocate_functions::movw_prel_nc,
6914         Arm_relocate_functions::thm_movt_abs,
6915         Arm_relocate_functions::movt_prel,
6916         Arm_relocate_functions::thm_movw_prel_nc,
6917         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6918         (Target_arm::Relocate::relocate): Only decompose address into two
6919         parts if relocation type uses the thumb-bit and pass the actual
6920         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6921         calls to methods in Arm_relocate_functions for this change.
6922
6923 2009-11-08  Ian Lance Taylor  <iant@google.com>
6924
6925         PR 10925
6926         * reloc.cc: Instantiate
6927         Sized_relobj::initialize_input_to_output_maps and
6928         Sized_relobj:free_input_to_output_maps.
6929
6930 2009-11-06  Ian Lance Taylor  <iant@google.com>
6931
6932         PR 10876
6933         * defstd.cc (in_segment): Set only_if_ref true for "end".
6934
6935 2009-11-06  Doug Kwan  <dougkwan@google.com>
6936
6937         * arm.cc (class Reloc_stub): Correct a comment.
6938         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6939         (Target_arm::scan_section_for_stubs): New method declaration.
6940         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6941         Change methods from private to protected.
6942         (Target_arm::do_may_relax): New method definition.
6943         (Target_arm::do_relax, Target_arm::group_sections,
6944         Target_arm::scan_reloc_for_stub,
6945         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6946         (Target_arm::arm_input_section_map_): New data member declaration.
6947         (Target_arm::scan_reloc_for_stub,
6948         Target_arm::scan_reloc_section_for_stubs,
6949         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6950         Target_arm::do_relax): New method definitions.
6951
6952 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6953
6954         * configure.ac: Check for (struct stat)::st_mtim
6955         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6956         * config.in: Regenerate.
6957         * configure: Regenerate.
6958
6959 2009-11-05  Ian Lance Taylor  <iant@google.com>
6960
6961         PR 10910
6962         * output.cc (Output_segment::add_output_section): Add missing
6963         return statement.
6964
6965 2009-11-04  Ian Lance Taylor  <iant@google.com>
6966
6967         PR 10880
6968         * object.h (class Object): Add is_needed and set_is_needed
6969         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6970         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6971         defined in a dynamic object and referenced by a regular object,
6972         set is_needed for the dynamic object.
6973         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6974         if the file is marked with as_needed and it is not needed.
6975
6976 2009-11-04  Ian Lance Taylor  <iant@google.com>
6977
6978         PR 10887
6979         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6980         tags if data is discarded by linker script.
6981         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6982         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6983         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6984         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6985
6986 2009-11-04  Ian Lance Taylor  <iant@google.com>
6987
6988         * layout.cc (Layout::get_output_section): Add is_interp and
6989         is_dynamic_linker_section parameters.  Change all callers.
6990         (Layout::choose_output_section): Likewise.
6991         (Layout::make_output_section): Likewise.
6992         (Layout::add_output_section_data): Add is_dynamic_linker_section
6993         parameter.  Change all callers.
6994         * layout.h (class Layout): Update declarations.
6995         * output.h (class Output_section): Add is_interp, set_is_interp,
6996         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6997         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6998         generate_code_fills_at_write_ to a bitfield.
6999         * output.cc (Output_section::Output_sections): Initialize new
7000         fields.
7001         (Output_segment::add_output_section): Add do_sort parameter.
7002         Change all callers.
7003
7004 2009-11-03  Ian Lance Taylor  <iant@google.com>
7005
7006         PR 10860
7007         * options.h (class General_options): Add --warn-common.
7008         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7009         merging two common symbols.
7010         (Symbol_table::should_override): Handle --warn-common when merging
7011         a common symbol with a defined symbol.  Use report_resolve_problem
7012         for multiple definitions.
7013         (Symbol_table::report_resolve_problem): New function.
7014         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7015
7016 2009-11-03  Doug Kwan  <dougkwan@google.com>
7017
7018         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7019         stub_factory_.
7020         (Target_arm::stub_factory): New method definition.
7021         (Target_arm::new_arm_input_section,
7022         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7023         Target_arm::reloc_uses_thumb_bit): New method declarations.
7024         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7025         New type definitions.
7026         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7027         member declarations.
7028         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7029         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7030         New method definitions.
7031
7032 2009-11-03  Ian Lance Taylor  <iant@google.com>
7033
7034         * options.h (class General_options): Add --warn_constructors.
7035
7036 2009-11-03  Ian Lance Taylor  <iant@google.com>
7037
7038         PR 10893
7039         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7040         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7041
7042 2009-11-03  Ian Lance Taylor  <iant@google.com>
7043
7044         PR 10895
7045         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7046         --msgid-bugs-address.
7047         (install-pdf): New target.
7048         (install-data_yes): Look up one directory to find mkinstalldirs.
7049
7050 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7051
7052         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7053         tree.
7054
7055 2009-10-30  Doug Kwan  <dougkwan@google.com>
7056
7057         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7058
7059 2009-10-30  Doug Kwan  <dougkwan@google.com>
7060
7061         * arm.cc (Stub_addend_reader): New struct template definition
7062         and partial specializations.
7063         (Stub_addend_reader::operator()): New method definition for a
7064         partially specialized template.
7065
7066 2009-10-30  Doug Kwan  <dougkwan@google.com>
7067
7068         * arm.cc (Arm_relobj::processor_specific_flags): New method
7069         definition.
7070         (Arm_relobj::do_read_symbols): New method declaration.
7071         (Arm_relobj::processor_specific_flags_): New data member declaration.
7072         (Arm_dynobj): New class definition.
7073         (Target_arm::do_finalize_sections): Add input_objects parameter.
7074         (Target_arm::do_adjust_elf_header): New method declaration.
7075         (Target_arm::are_eabi_versions_compatible,
7076         (Target_arm::merge_processor_specific_flags): New method declaration.
7077         (Target_arm::do_make_elf_object): New overloaded method definitions
7078         and declaration.
7079         (Arm_relobj::do_read_symbols): New method definition.
7080         (Arm_dynobj::do_read_symbols): Ditto.
7081         (Target_arm::do_finalize_sections): Add input_objects parameters.
7082         Merge processor-specific flags from all input objects.
7083         (Target_arm::are_eabi_versions_compatible,
7084         Target_arm::merge_processor_specific_flags,
7085         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7086         New method definitions.
7087         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7088         Input_objects pointer type parameter.
7089         * layout.cc (Layout::finalize): Pass input objects to target's.
7090         finalize_sections function.
7091         * output.cc (Output_file_header::do_sized_write): Set ELF file
7092         header's processor-specific flags.
7093         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7094         Input_objects pointer type parameter.
7095         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7096         * target.h (Input_objects): New forward class declaration.
7097         (Target::processor_specific_flags,
7098         Target::are_processor_specific_flags_sect): New method definitions.
7099         (Target::finalize_sections): Add input_objects parameter.
7100         (Target::Target): Initialize processor_specific_flags_ and
7101         are_processor_specific_flags_set_.
7102         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7103         parameter.
7104         (Target::set_processor_specific_flags): New method definition.
7105         (Target::processor_specific_flags_,
7106         Target::are_processor_specific_flags_set_): New data member
7107         declarations.
7108         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7109         Input_objects pointer type parameter.
7110
7111 2009-10-30  Doug Kwan  <dougkwan@google.com>
7112
7113         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7114
7115 2009-10-28  Ian Lance Taylor  <iant@google.com>
7116
7117         * object.h (class Relobj): Drop options parameter from
7118         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7119         do_scan_relocs, do_relocate.  Change all callers.
7120         (class Sized_relobj): Drop options parameters from
7121         do_gc_process_relocs, do_scan_relocs, do_relocate,
7122         do_relocate_sections, relocate_sections, emit_relocs_scan,
7123         emit_relocs_scan_reltype.  Change all callers.
7124         (struct Relocate_info): Remove options field and all references to
7125         it.
7126         * reloc.h (class Read_relocs): Remove options constructor
7127         parameter and options_ field.  Change all callers.
7128         (class Gc_process_relocs, class Scan_relocs): Likewise.
7129         (class Relocate_task): Likewise.
7130         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7131         all callers.
7132         (scan_relocatable_relocs): Likewise.
7133         * target.h (class Sized_target): Remove options parameter from
7134         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7135         all callers.
7136         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7137         callers.
7138         * arm.cc: Update functions to remove options parameters.
7139         * i386.cc: Likewise.
7140         * powerpc.cc: Likewise.
7141         * sparc.cc: Likewise.
7142         * x86_64.cc: Likewise.
7143         * testsuite/testfile.cc: Likewise.
7144
7145 2009-10-28  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm.cc (Arm_relobj): New class definition.
7148         (Arm_relobj::scan_sections_for_stubs,
7149         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7150         New method definitions.
7151
7152 2009-10-28  Cary Coutant  <ccoutant@google.com>
7153
7154         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7155         (Plugin::cleanup_done_): New member.
7156         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7157         (Plugin_manager::cleanup_done_): Remove.
7158         (Plugin_manager::add_input_file): Edit error message.
7159         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7160         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7161
7162 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7163
7164         * fileread.cc: (File_read::View::~View): Use the new
7165         data_ownership_ filed.
7166         (File_read::~File_read): Dispose the new whole_file_view_.
7167         (File_read::open): Mmap the whole file if needed.
7168         (File_read::open): Use whole_file_view_ instead of contents_.
7169         (File_read::find_view): Use whole_file_view_ if applicable.
7170         (File_read::do_read): Use whole_file_view_ instead of contents_.
7171         (File_read::make_view): Use whole_file_view_ instead of contents_,
7172         update File_read::View::View call.
7173         (File_read::find_or_make_view): Update File_read::View::View
7174         call.
7175         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7176         remove contents_
7177         (File_read::View::Data_ownership): New enum.
7178         (File_read::View::View): Replace bool mapped_ with Data_ownership
7179         argument.
7180         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7181         (File_read::View::data_ownership_): New field.
7182         (File_read::contents_): Remove (replaced by whole_file_view_).
7183         (File_read::whole_file_view_): New field.
7184         * options.h (class General_options): Add --keep-files-mapped.
7185
7186 2009-10-27  Cary Coutant  <ccoutant@google.com>
7187
7188         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7189         * testsuite/Makefile.am (plugin_test_5): New test case.
7190         * testsuite/Makefile.in: Regenerate.
7191
7192 2009-10-25  Doug Kwan  <dougkwan@google.com>
7193
7194         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7195         from private to protected to allow access by child class.
7196         (Sized_relobj::do_relocate_sections): New method declaration.
7197         (Sized_relobj::relocate_sections): Virtualize.
7198         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7199         Sized_relobj::relocate_sections.  Instantiate template explicitly
7200         for different target sizes and endianity.
7201
7202 2009-10-24  Doug Kwan  <dougkwan@google.com>
7203
7204         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7205         (Arm_input_section::as_arm_input_section): New method.
7206         (Arm_output_section): New class definition.
7207         (Arm_output_section::create_stub_group,
7208         Arm_output_section::group_sections): New method definitions.
7209
7210 2009-10-22  Doug Kwan  <dougkwan@google.com>
7211
7212         * arm.cc (Arm_input_section): New class definition.
7213         (Arm_input_section::init, Arm_input_section:do_write,
7214         Arm_input_section::set_final_data_size,
7215         Arm_input_section::do_reset_address_and_file_offset): New method
7216         definitions.
7217
7218 2009-10-21  Doug Kwan  <dougkwan@google.com>
7219
7220         * arm.cc (Stub_table, Arm_input_section): New forward class
7221         declarations.
7222         (Stub_table): New class defintion.
7223         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7224         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7225         New method definition.
7226
7227 2009-10-21  Doug Kwan  <dougkwan@google.com>
7228
7229         * arm.cc: Update copyright comments.
7230         (Target_arm): New forward class template declaration.
7231         (Arm_address): New type.
7232         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7233         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7234         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7235         constants.
7236         (Insn_template): Same.
7237         (DEF_STUBS): New macro.
7238         (Stub_type): New enum type.
7239         (Stub_template): New class definition.
7240         (Stub): Same.
7241         (Reloc_stub): Same.
7242         (Stub_factory): Same.
7243         (Target_arm::Target_arm): Initialize may_use_blx_ and
7244         should_force_pic_veneer_.
7245         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7246         Target_arm::should_force_pic_veneer,
7247         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7248         Target_arm::using_thumb_only, Target_arm:;default_target): New
7249         method defintions.
7250         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7251         New data member declarations.
7252         (Insn_template::size, Insn_template::alignment): New method defintions.
7253         (Stub_template::Stub_template): New method definition.
7254         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7255         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7256         (Stub_factory::Stub_factory): New method definition.
7257         * gold.h (string_hash): New template.
7258         * output.h (Input_section_specifier::hash_value): Use
7259         gold::string_hash.
7260         (Input_section_specifier::string_hash): Remove.
7261         * stringpool.cc (Stringpool_template::string_hash): Use
7262         gold::string_hash.
7263
7264 2009-10-20  Doug Kwan  <dougkwan@google.com>
7265
7266         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7267         symbols of relaxed input sections.
7268         * output.h (Output_section::find_relaxed_input_section): Make
7269         method public.
7270
7271 2009-10-16  Doug Kwan  <dougkwan@google.com>
7272
7273         * dynobj.cc (Versions::Versions): Initialize version_script_.
7274         Only insert base version symbol definition for a shared object
7275         if version script defines any version versions.
7276         (Versions::define_base_version): New method definition.
7277         (Versions::add_def): Check that base version is not needed.
7278         (Versions::add_need): Define base version lazily.
7279         * dynobj.h (Versions::define_base_version): New method declaration.
7280         (Versions::needs_base_version_): New data member declaration.
7281         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7282         (check_DATA): Add no_version_test.stdout.
7283         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7284         New make rules.
7285         * testsuite/Makefile.in: Regenerate.
7286         * testsuite/no_version_test.c: New file.
7287         * testsuite/no_version_test.sh: Ditto.
7288
7289 2009-10-16  Doug Kwan  <dougkwan@google.com>
7290
7291         * expression.cc (class Segment_start_expression): New class definition.
7292         (Segment_start_expression::value): New method definition.
7293         (script_exp_function_segment_start): Return a new
7294         Segment_start_expression.
7295         * gold/script-c.h (script_saw_segment_start_expression): New function
7296         prototype.
7297         * script-sections.cc (Script_sections::Script_sections): Initialize
7298         SAW_SEGMENT_START_EXPRESSION_ to false.
7299         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7300         and -Tbbs options to specify section addresses if given in
7301         command line and no SEGMENT_START expression is seen in a script.
7302         * script-sections.h (Script_sections::saw_segment_start_expression,
7303         Script_sections::set_saw_segment_start_expression): New method
7304         definition.
7305         (Script_sections::saw_segment_start_expression_): New data member
7306         declaration.
7307         * script.cc (script_saw_segment_start_expression): New function.
7308         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7309         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7310         script_test_7.sh and script_test_8.sh.
7311         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7312         script_test_8.stdout.
7313         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7314         (script_test_6, script_test_6.stdout, script_test_7,
7315         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7316         * Makefile.in: Regenerate.
7317         * testsuite/script_test_6.sh: New file.
7318         * testsuite/script_test_6.t: Same.
7319         * testsuite/script_test_7.sh: Same.
7320         * testsuite/script_test_7.t: Same.
7321         * testsuite/script_test_8.sh: Same.
7322
7323 2009-10-16  Doug Kwan  <dougkwan@google.com>
7324
7325         * output.cc (Output_segment::set_section_list_address): Cast
7326         expressions to unsigned long long type to avoid format warnings.
7327
7328 2009-10-15  Ian Lance Taylor  <iant@google.com>
7329
7330         * script.cc (Script_options::add_symbol_assignment): Always add a
7331         dot assignment to script_sections_.
7332         * script-sections.cc (Script_sections::add_dot_assignment):
7333         Initialize if necessary.
7334
7335         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7336         program headers with no load segment if there is a linker script.
7337
7338         * layout.cc (Layout::set_segment_offsets): Align the file offset
7339         to the segment aligment for -N or -n with no load segment.
7340         * output.cc (Output_segment::add_output_section): Don't crash if
7341         the first section is a TLS section.
7342         (Output_segment::set_section_list_addresses): Print an error
7343         message if the address moves backward in a linker script.
7344         * script-sections.cc
7345         (Output_section_element_input::set_section_addresses): Don't
7346         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7347         (Orphan_output_section::set_section_addresses): Likewise.
7348
7349 2009-10-15  Doug Kwan  <dougkwan@google.com>
7350
7351         * layout.cc (Layout::finish_dynamic_section): Generate tags
7352         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7353         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7354         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7355
7356 2009-10-14  Ian Lance Taylor  <iant@google.com>
7357
7358         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7359         fields.
7360         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7361         data_shdr fields of relinfo.
7362         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7363         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7364         R_386_TLS_LDO_32, adjust based on section flags.
7365         (Target_i386::Relocate::fix_up_ldo): Remove.
7366
7367 2009-10-13  Ian Lance Taylor  <iant@google.com>
7368
7369         Add support for -pie.
7370         * options.h (class General_options): Add -pie and
7371         --pic-executable.
7372         (General_options::output_is_position_independent): Test -pie.
7373         (General_options::output_is_executable): Return true if not shared
7374         and not relocatable.
7375         (General_options::output_is_pie): Remove.
7376         * options.cc (General_options::finalize): Reject incompatible uses
7377         of -pie.
7378         * gold.cc (queue_middle_tasks): A -pie link is not static.
7379         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7380         * symtab.cc (Symbol::final_value_is_known): Return false if
7381         output_is_position_independent.
7382         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7383         output_is_position_independent.
7384         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7385         output_is_position_independent.
7386         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7387         output_is_position_independent.
7388         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7389         two_file_pie_test.
7390         (basic_pie_test.o, basic_pie_test): New targets.
7391         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7392         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7393         (two_file_pie_test): New target.
7394         * testsuite/Makefile.in: Rebuild.
7395         * README: Remove note saying that -pie is not supported.
7396
7397 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7398
7399         * options.h (class General_options): Add -init and -fini.
7400         * layout.cc (Layout::finish_dynamic_section): Emit
7401         given init and fini functions.
7402
7403 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7404
7405         * gc.h (gc_process_relocs): Check if icf is enabled using new
7406         function.
7407         * gold.cc (queue_initial_tasks): Likewise.
7408         (queue_middle_tasks): Likewise.
7409         * object.cc (do_layout): Likewise.
7410         * symtab.cc (is_section_folded): Likewise.
7411         * main.cc (main): Likewise.
7412         * reloc.cc (Read_relocs::run): Likewise.
7413         (Sized_relobj::do_scan_relocs): Likewise.
7414         * icf.cc (is_function_ctor_or_dtor): New function.
7415         (Icf::find_identical_sections): Check if function is ctor or dtor when
7416         safe icf is chosen.
7417         * options.h (General_options::icf): Change option to be an enum.
7418         (Icf_status): New enum.
7419         (icf_enabled): New method.
7420         (icf_safe_folding): New method.
7421         (set_icf_status): New method.
7422         (icf_status_): New variable.
7423         * (options.cc) (General_options::finalize): Set icf_status_.
7424         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7425         icf_test and icf_keep_unique_test to use the --icf enum flag.
7426         * testsuite/icf_safe_test.sh: New file.
7427         * testsuite/icf_safe_test.cc: New file.
7428
7429 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7430
7431         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7432         includes to gc.h and icf.h.
7433         * arm.cc: Include gc.h.
7434         * gold.cc: Likewise.
7435         * i386.cc: Likewise.
7436         * powerpc.cc: Likewise.
7437         * sparc.cc: Likewise.
7438         * x86_64.cc: Likewise.
7439         * gc.h: Include icf.h.
7440
7441 2009-10-11  Ian Lance Taylor  <iant@google.com>
7442
7443         * plugin.cc: Include "gold.h" before other header files.
7444
7445 2009-10-10  Chris Demetriou  <cgd@google.com>
7446
7447         * options.h (Input_file_argument::Input_file_type): New enum.
7448         (Input_file_argument::is_lib_): Replace with...
7449         (Input_file_argument::type_): New member.
7450         (Input_file_argument::Input_file_argument): Take Input_file_type
7451         'type' rather than boolean 'is_lib' as second argument.
7452         (Input_file_argument::is_lib): Use type_.
7453         (Input_file_argument::is_searched_file): New function.
7454         (Input_file_argument::may_need_search): Handle is_searched_file.
7455         * options.cc (General_options::parse_library): Support -l:filename.
7456         (General_options::parse_just_symbols): Update for Input_file_argument
7457         changes.
7458         (Command_line::process): Likewise.
7459         * archive.cc (Archive::get_file_and_offset): Likewise.
7460         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7461         * script.cc (read_script_file, script_add_file): Likewise.
7462         * fileread.cc (Input_file::Input_file): Likewise.
7463         (Input_file::will_search_for): Handle is_searched_file.
7464         (Input_file::open): Likewise.
7465         * readsyms.cc (Read_symbols::get_name): Likewise.
7466         * testsuite/Makefile.am (searched_file_test): New test.
7467         * testsuite/Makefile.in: Regenerate.
7468         * testsuite/searched_file_test.cc: New file.
7469         * testsuite/searched_file_test_lib.cc: New file.
7470
7471 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7472             Ian Lance Taylor  <iant@google.com>
7473
7474         * descriptor.cc: Include <cstdio> and "binary-io.h".
7475         (Descriptors::open): Open the files in binary mode always.
7476         * script.cc (Lex::get_token): Treat \r as whitespace.
7477
7478 2009-10-09  Ian Lance Taylor  <iant@google.com>
7479
7480         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7481
7482 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7483             Ian Lance Taylor  <iant@google.com>
7484
7485         * configure.ac: Check for readv function also.
7486         * fileread.cc (readv): Define if not HAVE_READV.
7487         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7488         does not exist.
7489         * config.in: Regenerate.
7490         * configure: Regenerate.
7491
7492 2009-10-09  Doug Kwan  <dougkwan@google.com>
7493
7494         * layout.cc (Layout::make_output_section): Call target hook to make
7495         ordinary output section.
7496         (Layout::finalize): Adjust parameter list of call the
7497         Target::may_relax().
7498         * layout.h (class Layout::section_list): New method.
7499         * merge.h (Output_merge_base::entsize): Change visibility to public.
7500         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7501         New methods.
7502         (Output_merge_string::do_is_string): New method.
7503         * object.cc (Sized_relobj::do_setup): renamed from
7504         Sized_relobj::set_up.
7505         * object.h (Sized_relobj::adjust_shndx,
7506         Sized_relobj::initializ_input_to_output_maps,
7507         Sized_relobj::free_input_to_output_maps): Change visibilities to
7508         protected.
7509         (Sized_relobj::setup): Virtualize.
7510         (Sized_relobj::do_setup): New method declaration.
7511         (Sized_relobj::invalidate_section_offset,
7512         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7513         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7514         * options.cc (parse_int): New function.
7515         * options.h (parse_int): New declaration.
7516         (DEFINE_int): New macro.
7517         (stub_group_size): New option.
7518         * output.cc (Output_section::Output_section): Initialize memebers
7519         merge_section_map_, merge_section_by_properties_map_,
7520         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7521         (Output_section::add_input_section): Handled deferred code-fill
7522         generation and remove an old comment.
7523         (Output_section::add_relaxed_input_section): New method definition.
7524         (Output_section::add_merge_input_section): Use merge section by
7525         properties map to speed to search.  Update merge section maps
7526         as appropriate.
7527         (Output_section::build_relaxation_map): New method definition.
7528         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7529         Same.
7530         (Output_section::relax_input_section): Renamed to
7531         Output_section::convert_input_sections_to_relaxed_sections and change
7532         interface to take a vector of pointers to relaxed sections.
7533         (Output_section::find_merge_section,
7534         Output_section::find_relaxed_input_section): New method definitions.
7535         (Output_section::is_input_address_mapped,
7536         Output_section::output_offset, Output_section::output_address):
7537         Use output section data maps to speed up searching.
7538         (Output_section::find_starting_output_address): Add comments.
7539         (Output_section::do_write,
7540         Output_section::write_to_postprocessing_buffer): Do code-fill
7541         generation as appropriate.
7542         (Output_section::get_input_sections): Invalidate relaxed input section
7543         map.
7544         (Output_section::restore_states): Adjust type of checkpoint .
7545         Invalidate relaxed input section map.
7546         * output.h (Output_merge_base): New class declaration.
7547         (Input_section_specifier): New class defintion.
7548         (class Output_relaxed_input_section) Change base class to
7549         Output_section_data_build.
7550         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7551         base class initializer.
7552         (Output_section::add_relaxed_input_section): New method declaration.
7553         (Output_section::Input_section): Change visibility to protected.
7554         (Output_section::Input_section::relobj,
7555         Output_section::Input_section::shndx): Handle relaxed input sections.
7556         Output_section::input_sections) Change visibility to protected.  Also
7557         define overload to return a non-const pointer.
7558         (Output_section::Merge_section_properties): New class defintion.
7559         (Output_section::Merge_section_by_properties_map,
7560         Output_section::Output_section_data_by_input_section_map,
7561         Output_section::Relaxation_map): New types.
7562         (Output_section::relax_input_section): Rename method to
7563         Output_section::convert_input_sections_to_relaxed_sections and change
7564         interface to take a vector of relaxed section pointers.
7565         (Output_section::find_merge_section,
7566         Output_section::find_relaxed_input_section,
7567         Output_section::build_relaxation_map,
7568         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7569         New method declarations.
7570         (Output_section::merge_section_map_
7571         Output_section::merge_section_by_properties_map_,
7572         Output_section::relaxed_input_section_map_,
7573         Output_section::is_relaxed_input_section_map_valid_,
7574         Output_section::generate_code_fills_at_write_): New data members.
7575         * script-sections.cc
7576         (Output_section_element_input::set_section_addresses): Call
7577         current_data_size and addralign methods of relaxed input sections.
7578         (Orphan_output_section::set_section_addresses): Call current_data_size
7579         and addralign methods of relaxed input sections.
7580         * symtab.cc (Symbol_table::compute_final_value): Extract template
7581         from the body of Symbol_table::sized_finalize_symbol.
7582         (Symbol_table::sized_finalized_symbol): Call
7583         Symbol_table::compute_final_value.
7584         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7585         (Symbol_table::compute_final_value): New templated method declaration.
7586         * target.cc (Target::do_make_output_section): New method defintion.
7587         * target.h (Target::make_output_section): New method declaration.
7588         (Target::relax): Add more parameters for input objects, symbol table
7589         and layout.  Adjust call to do_relax.
7590         (Target::do_make_output_section): New method declaration.
7591         (Target::do_relax): Add parameters for input objects, symbol table
7592         and layout.
7593
7594 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7595
7596         * pread.c: Include stdio.h.
7597
7598 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7599
7600         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7601         defined.
7602
7603 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7604
7605         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7606         Change read_shndx type to unsigned int.
7607         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7608         int.
7609         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7610         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7611         Change read_shndx type to unsigned int.
7612         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7613         int.
7614         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7615         * layout.cc (Layout::create_symtab_sections): Cast the result of
7616         local_symcount * symsize to off_t in the gold_assert.
7617
7618 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7619
7620         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7621         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7622         R_ARM_BASE_ABS.
7623         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7624         (Arm_relocate_functions::thm_abs5): New function.
7625         (Arm_relocate_functions::abs12): New function.
7626         (Arm_relocate_functions::abs16): New function.
7627         (Arm_relocate_functions::base_abs): New function.
7628         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7629         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7630         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7631         R_ARM_BASE_ABS.
7632         (Scan::global): Likewise.
7633         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7634         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7635         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7636         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7637         R_ARM_BASE_ABS.
7638
7639 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7640
7641         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7642         (Arm_relocate_functions::movt_prel): New function.
7643         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7644         (Arm_relocate_functions::thm_movt_prel): New function.
7645         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7646         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7647         (Scan::global, Relocate::relocate): Likewise.
7648         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7649
7650 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7651
7652         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7653         Incremental_checker.
7654         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7655         unsigned int.
7656         (class Incremental_inputs_header): New class.
7657         (Incremental_inputs_header_writer): Edit comment.
7658         (Incremental_inputs_entry): New class.
7659         (Incremental_inputs_entry_writer): Edit comment.
7660         (Sized_incremental_binary::do_find_incremental_inputs_section):
7661         Add *strtab_shndx parameter, fill it.
7662         (Sized_incremental_binary::do_check_inputs): New method.
7663         (Incremental_checker::can_incrementally_link_output_file): Use
7664         Sized_incremental_binary::check_inputs.
7665         (Incremental_inputs::report_command_line): Save command line in
7666         command_line_.
7667         * incremental.h:
7668         (Incremental_binary::find_incremental_inputs_section): New
7669         method.
7670         (Incremental_binary::do_find_incremental_inputs_section): Add
7671         strtab_shndx parameter.
7672         (Incremental_binary::do_check_inputs): New pure virtual method.
7673         (Sized_incremental_binary::do_check_inputs): Declare.
7674         (Incremental_checker::Incremental_checker): Add incremental_inputs
7675         parameter, use it to initialize incremental_inputs_.
7676         (Incremental_checker::incremental_inputs_): New field.
7677         (Incremental_checker::command_line): New method.
7678         (Incremental_checker::inputs): New method.
7679         (Incremental_checker::command_line_): New field.
7680
7681 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7682
7683         * incremental.cc: Include <cstdarg> and "target-select.h".
7684         (vexplain_no_incremental): New function.
7685         (explain_no_incremental): New function.
7686         (Incremental_binary::error): New method.
7687         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7688         method.
7689         (make_sized_incremental_binary): New function.
7690         (open_incremental_binary): New function.
7691         (can_incrementally_link_file): Add checks if output is ELF and has
7692         inputs section.
7693         * incremental.h: Include "elfcpp_file.h" and "output.h".
7694         (Incremental_binary): New class.
7695         (Sized_incremental_binary): New class.
7696         (open_incremental_binary): Declare.
7697         * object.cc (is_elf_object): Use
7698         elfcpp::Elf_recognizer::is_elf_file.
7699         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7700         * output.h (Output_file::filesize): New method.
7701
7702 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7703
7704         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7705         New function.
7706         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7707         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7708         function.
7709         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7710         function.
7711         (Arm_relocate_functions::movw_abs_nc): New function.
7712         (Arm_relocate_functions::movt_abs): New function.
7713         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7714         (Arm_relocate_functions::thm_movt_abs): New function.
7715         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7716         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7717         (Scan::global): Likewise.
7718         (Relocate::relocate): Likewise.
7719         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7720
7721 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7722
7723         * arm.cc (Arm_relocate_functions::got_prel) New function.
7724         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7725         (Relocate::relocate): Likewise.
7726         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7727
7728 2009-10-06  Ian Lance Taylor  <iant@google.com>
7729
7730         * options.h (class General_options): Define
7731         split_stack_adjust_size parameter.
7732         * object.h (class Object): Add uses_split_stack_ and
7733         has_no_split_stack_ fields.  Add uses_split_stack and
7734         has_no_split_stack accessor functions.  Declare
7735         handle_split_stack_section.
7736         (class Reloc_symbol_changes): Define.
7737         (class Sized_relobj): Define Function_offsets.  Declare
7738         split_stack_adjust, split_stack_adjust_reltype, and
7739         find_functions.
7740         * object.cc (Object::handle_split_stack_section): New function.
7741         (Sized_relobj::do_layout): Call handle_split_stack_section.
7742         * dynobj.cc (Sized_dynobj::do_layout): Call
7743         handle_split_stack_section.
7744         * reloc.cc (Sized_relobj::relocate_sections): Call
7745         split_stack_adjust for executable sections in split_stack
7746         objects.  Pass reloc_map to relocate_section.
7747         (Sized_relobj::split_stack_adjust): New function.
7748         (Sized_relobj::split_stack_adjust_reltype): New function.
7749         (Sized_relobj::find_functions): New function.
7750         * target-reloc.h: Include "object.h".
7751         (relocate_section): Add reloc_symbol_changes parameter.  Change
7752         all callers.
7753         * target.h (class Target): Add calls_non_split method.  Declare
7754         do_calls_non_split virtual method.  Declare match_view and
7755         set_view_to_nop.
7756         * target.cc: Include "elfcpp.h".
7757         (Target::do_calls_non_split): New function.
7758         (Target::match_view): New function.
7759         (Target::set_view_to_nop): New function.
7760         * gold.cc (queue_middle_tasks): Give an error if mixing
7761         split-stack and non-split-stack objects with -r.
7762         * i386.cc (Target_i386::relocate_section): Add
7763         reloc_symbol_changes parameter.
7764         (Target_i386::do_calls_non_split): New function.
7765         * x86_64.cc (Target_x86_64::relocate_section): Add
7766         reloc_symbol_changes parameter.
7767         (Target_x86_64::do_calls_non_split): New function.
7768         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7769         parameter.
7770         * powerpc.cc (Target_powerpc::relocate_section): Add
7771         reloc_symbol_changes parameter.
7772         * sparc.cc (Target_sparc::relocate_section): Add
7773         reloc_symbol_changes parameter.
7774         * configure.ac: Call AM_CONDITIONAL for the default target.
7775         * configure: Rebuild.
7776         * testsuite/Makefile.am (TEST_AS): New variable.
7777         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7778         (check_DATA): Add split_i386 and split_x86_64 files.
7779         (SPLIT_DEFSYMS): Define.
7780         (split_i386_[1234n].o): New targets.
7781         (split_i386_[124]): New targets.
7782         (split_i386_[1234r].stdout): New targets.
7783         (split_x86_64_[1234n].o): New targets.
7784         (split_x86_64_[124]): New targets.
7785         (split_x86_64_[1234r].stdout): New targets.
7786         (MOSTLYCLEANFILES): Add new executables.
7787         * testsuite/split_i386.sh: New file.
7788         * testsuite/split_x86_64.sh: New file.
7789         * testsuite/split_i386_1.s: New file.
7790         * testsuite/split_i386_2.s: New file.
7791         * testsuite/split_i386_3.s: New file.
7792         * testsuite/split_i386_4.s: New file.
7793         * testsuite/split_i386_n.s: New file.
7794         * testsuite/split_x86_64_1.s: New file.
7795         * testsuite/split_x86_64_2.s: New file.
7796         * testsuite/split_x86_64_3.s: New file.
7797         * testsuite/split_x86_64_4.s: New file.
7798         * testsuite/split_x86_64_n.s: New file.
7799         * testsuite/testfile.cc (Target_test): Update relocation_section
7800         function.
7801         * testsuite/Makefile.in: Rebuild.
7802
7803 2009-10-06  Ian Lance Taylor  <iant@google.com>
7804
7805         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7806         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7807         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7808         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7809         the address on ldo_addrs_.
7810         (Target_i386::Relocate::fix_up_ldo): New function.
7811
7812 2009-10-06   Rafael Espindola  <espindola@google.com>
7813
7814         * plugin.cc (add_input_library): New.
7815         (Plugin::load): Add add_input_library to tv.
7816         (Plugin_manager::add_input_file): Add the is_lib argument.
7817         (add_input_file): Update call to Plugin_manager::add_input_file.
7818         (add_input_library): New.
7819         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7820
7821 2009-09-30  Doug Kwan  <dougkwan@google.com>
7822
7823         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7824         symbol and call Symbol::may_need_copy_reloc to determine if
7825         a copy reloc is needed.
7826         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7827         nocopyreloc is given in command line.
7828         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7829         given in command line.
7830         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7831         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7832         of the removed Target_i386::may_need_copy_reloc.
7833         * options.h (copyreloc): New option with default value false.
7834         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7835         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7836         instead of the removed Target_powerpc::may_need_copy_reloc.
7837         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7838         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7839         instead of the removed Target_sparc::may_need_copy_reloc.
7840         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7841         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7842         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7843         instead of the removed Target_x86_64::may_need_copy_reloc.
7844
7845 2009-09-30  Ian Lance Taylor  <iant@google.com>
7846
7847         * object.h (class Object): Remove target_ field, and target,
7848         sized_target, and set_target methods.
7849         (Object::sized_target): Remove.
7850         (class Sized_relobj): Update declarations.  Remove sized_target.
7851         * object.cc (Sized_relobj::setup): Remove target parameter.
7852         Change all callers.
7853         (Input_objects::add_object): Don't do anything with the target.
7854         (make_elf_sized_object): Add punconfigured parameter.  Change all
7855         callers.  Set or test parameter target.
7856         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7857         Change all callers.
7858         * parameters.cc (Parameters::set_target): Change parameter type to
7859         be non-const.
7860         (Parameters::default_target): Remove.
7861         (set_parameters_target): Change parameter type to be non-const.
7862         (parameters_force_valid_target): New function.
7863         (parameters_clear_target): New function.
7864         * parameters.h (class Parameters): Update declarations.  Remove
7865         default_target method.  Add sized_target and clear_target
7866         methods.  Change target_ to be non-const.
7867         (set_parameters_target): Update declaration.
7868         (parameters_force_valid_target): Declare.
7869         (parameters_clear_target): Declare.
7870         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7871         as NULL if we aren't searching.
7872         (Add_symbols::run): Don't check for compatible target.
7873         * fileread.cc (Input_file::open_binary): Call
7874         parameters_force_valid_target.
7875         * gold.cc (queue_middle_tasks): Likewise.
7876         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7877         set_target on object.
7878         * dynobj.h (class Sized_dynobj): Update declarations.
7879         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7880         make_elf_object returns NULL.
7881         (Archive::include_member): Don't check whether object target is
7882         compatible.
7883         * output.cc (Output_section::add_input_section): Get target from
7884         parameters.
7885         (Output_section::relax_input_section): Likewise.
7886         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7887         parameters.
7888         (Sized_relobj::do_scan_relocs): Likewise.
7889         (Sized_relobj::relocate_sections): Likewise.
7890         * resolve.cc (Symbol_table::resolve): Likewise.
7891         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7892         parameter.  Change all callers.
7893         (Symbol_table::add_from_object): Get target from parameters.
7894         (Symbol_table::add_from_relobj): Don't check object target.
7895         (Symbol_table::add_from_dynobj): Likewise.
7896         (Symbol_table::define_special_symbol): Get target from
7897         parameters.
7898         * symtab.h (class Symbol_table): Update declaration.
7899         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7900         parameter.  Change all callers.  Clear parameter target.
7901         (Binary_test): Test target here.
7902         * testsuite/object_unittest.cc (gold_testsuite): Remove
7903         target_test_pointer parameter.  Change all callers.
7904         (Object_test): Test target here.
7905
7906 2009-09-26  Ian Lance Taylor  <iant@google.com>
7907
7908         * testsuite/initpri1.c: Don't try to use constructor priorities if
7909         compiling with gcc before 4.3.
7910
7911 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7912
7913         * testsuite/retain_symbols_file_test.sh (check_present): Change
7914         output file name to retain_symbols_file_test.stdout.
7915         (check_absent): Likewise.
7916
7917 2009-09-18  Craig Silverstein  <csilvers@google.com>
7918
7919         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7920         * options.cc: Include <cerrno> and <fstream>.
7921         (General_options::finalize): Parse -retain-symbols-file tag.
7922         * options.h: New flag.
7923         (General_options): New method should_retain_symbol, new
7924         variable symbols_to_retain.
7925         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7926         should_retain_symbol map.
7927         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7928         * testsuite/Makefile.in: Regenerate.
7929         * testsuite/retain_symbols_file_test.sh: New file.
7930
7931 2009-09-18  Nick Clifton  <nickc@redhat.com>
7932
7933         * po/es.po: Updated Spanish translation.
7934
7935 2009-09-17  Doug Kwan  <dougkwan@google.com>
7936
7937         * debug.h (DEBUG_RELAXATION): New constant.
7938         (DEBUG_ALL): Add DEBUG_RELAXATION.
7939         (debug_string_to_enum): Add relaxation debug option.
7940         * layout.cc
7941         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7942         Layout::Relaxation_debug_check::read_sections,
7943         Layout::Relaxation_debug_check::read_sections): New method definitions.
7944         (Layout::Layout): Initialize data members
7945         record_output_section_data_from_scrips_,
7946         script_output_section_data_list_ and relaxation_debug_check_.
7947         (Layout::save_segments, Layout::restore_segments,
7948         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7949         Layout::relaxation_loop_body): New method definitions.
7950         (Layout::finalize): Support relaxation.  Move section layout code to
7951         Layout::relaxation_loop_body.
7952         (Layout::set_asection_address_from_script): Move code for orphan
7953         section placement out.
7954         (Layout::place_orphan_sections_in_script): New method definition.
7955         * layout.h (Output_segment_headers, Output_file_header):
7956         New forward class declarations.
7957         (Layout::~Layout): Define.
7958         (Layout::new_output_section_data_from_script): New method definition.
7959         (Layout::place_orphan_sections_in_script): New method declaration.
7960         (Layout::Segment_states): New type declaration.
7961         (Layout::save_segments, Layout::restore_segments,
7962         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7963         Layout::relaxation_loop_body): New method declarations.
7964         (Layout::Output_section_data_list): New type declaration.
7965         (Layout::Relaxation_debug_check): New class definition.
7966         (Layout::record_output_section_data_from_script_,
7967         Layout::script_output_section_data_list_, Layout::segment_states_,
7968         Layout::relaxation_debug_check_): New data members.
7969         * output.cc: (Output_section_headers::do_size): New method definition.
7970         (Output_section_headers::Output_section_headers): Move size
7971         computation to Output_section_headers::do_size.
7972         (Output_segment_headers::do_size): New method definition.
7973         (Output_file_header::Output_file_header): Move size computation to
7974         Output_file_header::do_size and call it.
7975         (Output_file_header::do_size): New method definition.
7976         (Output_data_group::Output_data_group): Adjust call to
7977         Output_section_data.
7978         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7979         (Output_symtab_xindex::do_write): Add array bound check.
7980         (Output_section::Input_section::print_to_mapfile): Handle
7981         RELAXED_INPUT_SECTION_CODE.
7982         (Output_section::Output_section): Initialize data member checkpoint_.
7983         (Output_section::~Output_section): Delete checkpoint object pointed
7984         by checkpoint_.
7985         (Output_section::add_input_section): Always add an Input_section if
7986         relaxing.
7987         (Output_section::add_merge_input_section): Add assert.
7988         (Output_section::relax_input_section): New method definition.
7989         (Output_section::set_final_data_size): Set load address to zero for
7990         an unallocated section.
7991         (Output_section::do_address_and_file_offset_have_reset_values):
7992         New method definition.
7993         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7994         Handle relaxed input section.
7995         (Output_section::sort_attached_input_sections): Checkpoint input
7996         section list lazily.
7997         (Output_section::get_input_sections): Change type of input_sections to
7998         list of Simple_input_section pointers.  Checkpoint input section list
7999         lazily.  Also handle relaxed input sections.
8000         (Output_section::add_input_section_for_script): Take a reference to
8001         a Simple_input_section object instead of Relobj pointer and section
8002         index as parameter.  Handle relaxed input sections.
8003         (Output_section::save_states, Output_section::restore_states): New
8004         method definitions.
8005         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8006         (Output_data::is_data_size_fixed): New method definition.
8007         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8008         if it is fixed.
8009         (Output_data::address_and_file_offset_have_reset_values): New method
8010         definition.
8011         (Output_data::do_address_and_file_offset_have_reset_values): New method
8012         definition.
8013         (Output_data::set_data_size): Check that data size is not fixed.
8014         (Output_data::fix_data_size): New method definition.
8015         (Output_data::is_data_size_fixed_): New data member.
8016         (Output_section_headers::set_final_data_size): New method definition.
8017         (Output_section_headers::do_size): New method declaration.
8018         (Output_segment_headers::set_final_data_size): New method definition.
8019         (Output_segment_headers::do_size): New method declaration.
8020         (Output_file_header::set_final_data_size)::New method definition.
8021         (Output_file_header::do_size)::New method declaration.
8022         (Output_section_data::Output_section_data): Add new parameter
8023         is_data_size_fixed and use it to fix data size.
8024         (Output_data_const::Output_data_const): Adjust call to base class
8025         constructor and fix data size.
8026         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8027         base class constructor and fix data size.
8028         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8029         base class constructor and fix data size.
8030         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8031         class constructor and fix data size.
8032         (Output_data_group::set_final_data_size): New method definition.
8033         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8034         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8035         class constructor and fix data size.
8036         (Output_relaxed_input_section): New class definition.
8037         (Output_section::Simple_input_section): New class definition.
8038         (Output_section::get_input_sections): Adjust parameter list.
8039         (Output_section::add_input_section_for_script): Same.
8040         (Output_section::save_states, Output_section::restore_states,
8041         Output_section::do_address_and_file_offset_have_reset_values,
8042         (Output_section::Input_section::Input_section): Handle
8043         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8044         Output_relaxed_input_section.
8045         (Output_section::Input_section::is_input_section,
8046         Output_section::Input_section::set_output_section): Handle relaxed
8047         input section.
8048         (Output_section::Input_section::is_relaxed_input_section,
8049         Output_section::Input_section::output_section_data,
8050         Output_section::Input_section::relaxed_input_section): New method
8051         definitions.
8052         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8053         value.
8054         (Output_section::Input_section::u1_): Update comments.
8055         (Output_section::Input_section::u2_): Add new union member poris.
8056         (Output_section::Checkpoint_output_section): New classs definition.
8057         (Output_section::relax_input_section): New method declaration.
8058         (Output_section::checkpoint_): New data member.
8059         (Output_segment): Update comments.
8060         (Output_segment::Output_segment): Un-privatize copy constructor.
8061         (Output_segment::operator=): Un-privatize.
8062         * script-sections.cc (Output_section_element::Input_section_list):
8063         Change element type to Output_section::Simple_input_section.
8064         (Output_section_element_dot_assignment::set_section_addresses):
8065         Register output section data for relaxation clean up.
8066         (Output_data_exression::Output_data_expression): Adjust call to base
8067         constructor to fix data size.
8068         (Output_section_element_data::set_section_addresses): Register
8069         Output_data_expression object for relaxation clean up.
8070         (struct Input_section_info): Replace Relobj pointer and section index
8071         pair with Output_section::Simple_input_section and Convert struct to a
8072         class.
8073         (Input_section_sorter::operator()): Adjust access to
8074         Input_section_info data member to use accessors.
8075         (Output_section_element_input::set_section_addresses): Use layout
8076         parameter.  Adjust code to use Output_section::Simple_input_section
8077         and Input_secction_info classes.  Register filler for relaxation
8078         clean up.
8079         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8080         and section index pair with Output_section::Simple_input_section
8081         class.  Adjust code accordingly.
8082         (Phdrs_element::release_segment): New method definition.
8083         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8084         segment list.
8085         (Script_sections::release_segments): New method definition.
8086         * gold/script-sections.h (Script_sections::release_segments): New
8087         method declaration.
8088         * gold/target.h (Target::may_relax, Target::relax,
8089         Target::do_may_relax, Target::do_relax): New method definitions.
8090
8091 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8092
8093         * arm.cc (has_signed_unsigned_overflow): New function.
8094         (Arm_relocate_functions::abs8): New function.
8095         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8096         (Target_arm::Scan::global): Likewise.
8097         (Target_arm::relocate::relocate): Likewise.
8098         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8099         Likewise.
8100
8101 2009-09-16  Cary Coutant  <ccoutant@google.com>
8102
8103         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8104         * testsuite/Makefile.in: Regenerate.
8105
8106 2009-09-11  Nick Clifton  <nickc@redhat.com>
8107
8108         * po/gold.pot: Updated by the Translation project.
8109
8110 2009-09-08  Cary Coutant  <ccoutant@google.com>
8111
8112         * output.cc (Output_file::open): Add execute permission to empty file.
8113         * testsuite/Makefile.am (permission_test): New test.
8114         * testsuite/Makefile.in: Regenerate.
8115
8116 2009-09-02  Ian Lance Taylor  <iant@google.com>
8117
8118         * output.cc (Output_file::resize): Call map_no_anonymous rather
8119         than map.
8120
8121 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8122
8123         * gold.cc: Include "incremental.h".
8124         (queue_initial_tasks): Call Incremental_checker methods.
8125         * incremental.cc: Include "output.h".
8126         (Incremental_checker::can_incrementally_link_output_file): New
8127         method.
8128         * incremental.h (Incremental_checker): New class.
8129
8130         * output.cc (Output_file::open_for_modification): New method.
8131         (Output_file::map_anonymous): Changed return type to bool.  Record
8132         map in base_ field.
8133         (Output_file::map_no_anonymous): New method, broken out of map.
8134         (Output_file::map): Use map_no_anonymous and map_anonymous.
8135         * output.h (class Output_file): Update declarations.
8136
8137 2009-08-24  Cary Coutant  <ccoutant@google.com>
8138
8139         * options.h (Command_line::Pre_options): New class.
8140         (Command_line::pre_options): New member.
8141         * options.cc (gold::options::ready_to_register): New variable.
8142         (One_option::register_option): Do nothing if not registering options.
8143         Assert if same short option registered twice.
8144         (General_options::General_options): Turn off option registration when
8145         done constructing.
8146         (Command_line::Pre_options::Pre_options): New constructor.
8147
8148 2009-08-24  Cary Coutant  <ccoutant@google.com>
8149
8150         * options.h (General_options::no_keep_memory): Remove incorrect
8151         short option.
8152
8153 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8154
8155         * Makefile.am (am__skiplex, am__skipyacc): New.
8156         * Makefile.in: Regenerate.
8157
8158 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8159
8160         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8161         (INCLUDES): ... this.
8162         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8163         (AM_CPPFLAGS): Renamed from ...
8164         (INCLUDE): ... this.
8165         * Makefile.in, testsuite/Makefile.in: Regenerate.
8166
8167         * Makefile.in: Regenerate.
8168         * aclocal.m4: Likewise.
8169         * config.in: Likewise.
8170         * configure: Likewise.
8171         * testsuite/Makefile.in: Likewise.
8172
8173         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8174         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8175         * Makefile.in: Regenerate.
8176         * testsuite/Makefile.in: Regenerate.
8177
8178 2009-08-19  Cary Coutant  <ccoutant@google.com>
8179
8180         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8181         symbols in shared libraries overridden by hidden or internal symbols
8182         in the main program.
8183
8184 2009-08-19  Chris Demetriou  <cgd@google.com>
8185
8186         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8187         checking source file names in error messages.
8188
8189 2009-08-18  Doug Kwan  <dougkwan@google.com>
8190
8191         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8192         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8193         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8194         an elfcpp::Ehdr as parameter.
8195         * object.cc (Object::set_target): Remove the version that looks up
8196         a target and sets it.
8197         (Sized_relobj::setup): Take a Target object instead of
8198         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8199         (make_elf_sized_object): Find target and ask target to
8200         make an ELF object.
8201         * object.h: (Object::set_target): Remove the version that looks up
8202         a target and sets it.
8203         (Sized_relobj::setup): Take a Target object instead of
8204         an elfcpp:Ehdr as parameter.
8205         * target.cc: Include dynobj.h.
8206         (Target::do_make_elf_object_implementation): New.
8207         (Target::do_make_elf_object): New.
8208         * target.h (Target::make_elf_object): New template declaration.
8209         (Target::do_make_elf_object): New method declarations.
8210         (Target::do_make_elf_object_implementation): New template declaration.
8211
8212 2009-08-14  Ian Lance Taylor  <iant@google.com>
8213
8214         * gold.h (FUNCTION_NAME): Define.
8215         (gold_unreachable): Use FUNCTION_NAME.
8216
8217 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8218
8219         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8220         symbol in the --keep-unique list is not found.
8221
8222 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8223
8224         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8225         been maked as --keep-unique.
8226         (Icf::unfold_section): New function.
8227         * icf.h (Icf::unfold_section): New function.
8228         * options.h (General_options::keep_unique): New option.
8229         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8230         * testsuite/Makefile.in: Regenerate.
8231         * testsuite/icf_keep_unique_test.sh: New file.
8232         * testsuite/icf_keep_unique_test.cc: New file.
8233
8234 2009-08-12  Cary Coutant  <ccoutant@google.com>
8235
8236         PR 10471
8237         * resolve.cc (Symbol_table::resolve): Check for references from
8238         dynamic objects to hidden and internal symbols.
8239         * testsuite/Makefile.am (hidden_test.sh): New test.
8240         * testsuite/Makefile.in: Regenerate.
8241         * testsuite/hidden_test.sh: New script.
8242         * testsuite/hidden_test_1.c: New test source.
8243         * testsuite/hidden_test_main.c: New test source.
8244
8245 2009-08-11  Doug Kwan  <dougkwan@google.com>
8246
8247         * arm.cc: Update comments.
8248         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8249         segment to locate the .ARM.exidx section if present.
8250
8251 2009-08-09  Doug Kwan  <dougkwan@google.com>
8252
8253         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8254         patch.
8255
8256 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8257         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8258         compiler warnings.
8259
8260 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8261
8262         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8263         valid tls_segment only for non-debug-section relocations.
8264         * testsuite/Makefile.am: Add gc_tls_test.
8265         * testsuite/Makefile.in: Regenerate.
8266         * testsuite/gc_tls_test.cc: New file.
8267         * testsuite/gc_tls_test.sh: New file.
8268
8269 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8270
8271         * icf.cc: New file.
8272         * icf.h: New file.
8273         * Makefile.am (CCFILES): Add icf.cc.
8274         (HFILES): Add icf.h
8275         * Makefile.in: Regenerate.
8276         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8277         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8278         section, symbol and addend information for the relocs.
8279         * gold.cc (queue_middle_tasks): Call identical code folding.
8280         * gold.h: Add defines for multimap.
8281         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8282         to the call of finalize_local_symbols.
8283         * main.cc (main): Create object of class Icf.
8284         * object.cc (Sized_relobj::do_layout): Allow this function to be
8285         called twice during icf.
8286         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8287         to sections marked as identical by icf.
8288         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8289         when available.
8290         (Sized_relobj::do_section_entsize): New function.
8291         * object.h (Object::section_entsize): New function.
8292         (Object::do_section_entsize): New pure virtual function.
8293         (Relobj::finalize_local_symbols): Add new parameter.
8294         (Relobj::do_section_entsize): New function.
8295         * options.h (General_options::icf): New option.
8296         (General_options::icf_iterations): New option.
8297         (General_options::print_icf_sections): New option.
8298         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8299         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8300         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8301         icf.
8302         * symtab.cc (Symbol_table::is_section_folded): New function.
8303         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8304         to sections marked as identical by icf.
8305         * symtab.h (Symbol_table::set_icf): New function.
8306         (Symbol_table::icf): New function.
8307         (Symbol_table::is_section_folded): New function.
8308         (Symbol_table::icf_): New data member.
8309         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8310         * testsuite/Makefile.am: Add commands to build icf_test.
8311         * testsuite/Makefile.in: Regenerate.
8312         * testsuite/icf_test.sh: New file.
8313         * testsuite/icf_test.cc: New file.
8314
8315 2009-07-24  Chris Demetriou  <cgd@google.com>
8316
8317         * layout.cc (is_compressible_debug_section): Fix incorrect
8318         comment about compressed section names.
8319
8320 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8321
8322         PR 10419
8323         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8324
8325 2009-07-16  Ian Lance Taylor  <iant@google.com>
8326
8327         PR 10400
8328         * layout.h: #include <map>.
8329         (class Kept_section): Change from struct to class.  Add accessors
8330         and setters.  Add section size to Comdat_group mapping.  Change
8331         Comdat_group to std::map.  Add is_comdat_ field.  Add
8332         linkonce_size field in union.
8333         (class Layout): Update declaration of find_or_add_kept_section.
8334         Don't declare find_kept_object.
8335         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8336         parameter.  Add object, shndx, is_comdat, and is_group_name
8337         parameters.  Change all callers.  Adjust for new Kept_section.
8338         (Layout::find_kept_object): Remove.
8339         * object.cc (Sized_relobj::include_section_group): Update use of
8340         Kept_section.  Rename secnum to shndx.  Only record
8341         Kept_comdat_section if sections are the same size.
8342         (Sized_relobj::include_linkonce_section): Update use of
8343         Kept_section.  Only record Kept_comdat_section if sections are the
8344         same size.  Set size of linkonce section.
8345         (Sized_relobj::map_to_kept_section): Update call to
8346         get_kept_comdat_section.
8347         * object.h (class Sized_relobj): Rename fields in
8348         Kept_comdat_section to drop trailing underscores; change object
8349         field to Relobj*.  Change Kept_comdat_section_table to store
8350         struct rather than pointer.
8351         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8352         Add kept_object and kept_shndx parameters.  Change all callers.
8353         (Sized_relobj::get_kept_comdat_section): Change return type to
8354         bool.  Add kept_object and kept_shndx parameters.  Change all
8355         callers.
8356         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8357         Layout::find_or_add_kept_section.
8358
8359 2009-07-09  Ian Lance Taylor  <iant@google.com>
8360
8361         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8362         Reserve space in the hash table.
8363
8364 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8365
8366         * fileread.cc (File_read::get_mtime): New method.
8367         * fileread.h (Timespec): New structure.
8368         (File_read::get_mtime): New method.
8369         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8370         Renamed from timestamp_nsec.
8371         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8372         Elf_Xword.
8373         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8374         timestamp_nsec.
8375         (Incremental_inputs::report_archive): Save mtime; style fix.
8376         (Incremental_inputs::report_obejct): Save mtime; style fix.
8377         (Incremental_inputs::report_script): Save mtime; style fix.
8378         (Incremental_inputs::finalize_inputs): Style fix.
8379         (Incremental_inputs::finalize): Style fix.
8380         (Incremental_inputs::create_input_section_data): Store inputs
8381         mtime.
8382         * incremental.h (Incremental_inputs::report_script): Add mtime
8383         argument.
8384         (Incremental_inputs::Input_info::Input_info): Intialize only one
8385         union member.
8386         (Incremental_inputs::Input_info::archive): Move to nameless
8387         union.
8388         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8389         (Incremental_inputs::Input_info::script): Move to nameless union.
8390         (Incremental_inputs::mtime): New field.
8391         * script.cc (read_input_script): Pass file mtime to
8392         Incremental_input.
8393         * script.h (Script_info::inputs): Style fix.
8394
8395 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8396
8397         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8398         instead of 32.
8399
8400 2009-06-24  Ian Lance Taylor  <iant@google.com>
8401
8402         PR 10156
8403         * layout.cc (Layout::choose_output_section): If we find an
8404         existing section, update the flags.
8405         (Layout::create_notes): New function, broken out of
8406         Layout::finalize.
8407         (Layout::finalize): Don't create note sections.
8408         (Layout::create_note): Don't crash if linker script discards
8409         section.
8410         (Layout::create_gold_note): Likewise.
8411         (Layout::create_build_id): Likewise.  Don't set
8412         after_input_sections on the section.
8413         (Layout::create_executable_stack_info): Remove target parameter.
8414         Change caller.
8415         * layout.h (class Layout): Declare create_notes.  Update
8416         declaration of create_executable_stack_info.
8417         * gold.cc (queue_middle_tasks): Call create_notes.
8418         * output.cc (Output_section::update_flags_for_input_section): Move
8419         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8420         invalid.
8421         * output.h (Output_data::mark_address_invalid): New function.
8422         (class Output_section): Only declare, not define,
8423         update_flags_for_input_section.  Remove set_flags.
8424
8425 2009-06-24  Ian Lance Taylor  <iant@google.com>
8426
8427         * script-sections.cc (Output_section_definition::
8428         set_section_addresses): Rename shadowing local load_address to
8429         laddr.
8430
8431 2009-06-24  Ian Lance Taylor  <iant@google.com>
8432
8433         PR 10244
8434         * reloc.cc (relocate_sections): Skip empty relocation sections.
8435
8436 2009-06-23  Ian Lance Taylor  <iant@google.com>
8437
8438         PR 10156
8439         * layout.cc (Layout::create_note): Use choose_output_section
8440         rather than make_output_section.
8441
8442 2009-06-23  Ian Lance Taylor  <iant@google.com>
8443
8444         PR 10237
8445         * options.cc (General_options::parse_V): Set printed_version_.
8446         (General_options::General_options): Initialize printed_version_.
8447         * options.h (class General_options): Add printed_version_ field.
8448         * gold.cc (queue_initial_tasks): If there are no input files,
8449         don't give a fatal error if we printed the version information.
8450         (queue_middle_tasks): If using -r with a shared object, give a
8451         fatal error rather than an ordinary error.
8452
8453 2009-06-23  Ian Lance Taylor  <iant@google.com>
8454
8455         PR 10219
8456         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8457         (Layout::make_output_section): Set have_stabstr_section_ if we see
8458         a .stab*str section.
8459         (Layout::finalize): Call link_stabs_sections.
8460         (Layout::link_stabs_sections): New file.
8461         * layout.h (class Layout): Add have_stabstr_section_ field.
8462         Declare link_stabs_sections.
8463
8464 2009-06-23  Doug Kwan  <dougkwan@google.com>
8465
8466         * Makefile.am (libgold_a_LIBADD): New.
8467         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8468         * Makefile.in: Regenerate.
8469         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8470         * configure: Regenerate.
8471         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8472         * fileread.cc: Include sys/state.h
8473         * gold.h: Declare memmem and strndup if found missing.
8474         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8475
8476 2009-06-23  Ian Lance Taylor  <iant@google.com>
8477
8478         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8479         * configure: Rebuild.
8480
8481 2009-06-23  Ian Lance Taylor  <iant@google.com>
8482
8483         PR 10147
8484         * object.cc (Object::section_contents): Don't try to get a view if
8485         the section has length zero.
8486         (Object::handle_gnu_warning_section): If the section is empty, use
8487         the name of the section as the warning.
8488
8489 2009-06-23  Ian Lance Taylor  <iant@google.com>
8490
8491         PR 10133
8492         * stringpool.h (class Stringpool_template): Add optimize_ field.
8493         (Stringpool_template::set_optimize): New function.
8494         * stringpool.cc (Stringpool_template::Stringpool_template):
8495         Initialize optimize_ field.
8496         (Stringpool_template::set_string_offsets): Test local optimize
8497         fild rather than parameter.
8498         * layout.cc (Layout::Layout): Call set_optimize on the section
8499         name stringpool.
8500
8501 2009-06-22  Ian Lance Taylor  <iant@google.com>
8502
8503         PR 10030
8504         * yyscript.y: Parse TARGET.
8505         * script.cc (script_set_target): New function.
8506         * script-c.h (script_set_target): Declare.
8507         * options.cc (General_options::string_to_object_format): Rename
8508         from string_to_object_format in anonymous namespace.  Change
8509         callers.
8510         * options.h (class General_options): Declare
8511         string_to_object_format.
8512
8513 2009-06-22  Ian Lance Taylor  <iant@google.com>
8514
8515         * script-sections.cc (Script_sections::create_segments): Don't put
8516         program headers in a PT_LOAD segment if -n or -N.
8517
8518 2009-06-22  Ian Lance Taylor  <iant@google.com>
8519
8520         PR 10141
8521         * options.h (class General_options): Add -z lazy and -z now.  Sort
8522         -z options into alphabetical order.
8523         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8524
8525 2009-06-21  Ian Lance Taylor  <iant@google.com>
8526
8527         * layout.cc (Layout::make_output_section): Call
8528         Target::new_output_section.
8529         (Layout::attach_allocated_section_to_segment): Put large section
8530         sections in a separate load segment with the large segment flag
8531         set.
8532         (Layout::segment_precedes): Sort large data segments after other
8533         load segments.
8534         (align_file_offset): New static function.
8535         (Layout::set_segment_offsets): Use align_file_offset.
8536         * output.h (class Output_section): Add is_small_section_ and
8537         is_large_section_ fields.
8538         (Output_section::is_small_section): New function.
8539         (Output_section::set_is_small_section):  New function.
8540         (Output_section::is_large_section): New function.
8541         (Output_section::set_is_large_section): New function.
8542         (Output_section::is_large_data_section): New function.
8543         (class Output_segment): Add is_large_data_segment_ field.
8544         (Output_segment::is_large_data_segment): New function.
8545         (Output_segment::set_is_large_data_segment): New function.
8546         * output.cc (Output_section::Output_section): Initialize new
8547         fields.
8548         (Output_segment::Output_segment): Likewise.
8549         (Output_segment::add_output_section): Add assertion that large
8550         data sections always go in large data segments.  Force small data
8551         sections to the end of the list of data sections.  Force small BSS
8552         sections to the start of the list of BSS sections.  For large BSS
8553         sections to the end of the list of BSS sections.
8554         * symtab.h (class Symbol): Declare is_common_shndx.
8555         (Symbol::is_defined): Check Symbol::is_common_shndx.
8556         (Symbol::is_common): Likewise.
8557         (class Symbol_table): Define enum Commons_section_type.  Update
8558         declarations.  Add small_commons_ and large_commons_ fields.
8559         * symtab.cc (Symbol::is_common_shndx): New function.
8560         (Symbol_table::Symbol_table): Initialize new fields.
8561         (Symbol_table::add_from_object): Put small and large common
8562         symbols in the right list.
8563         (Symbol_table::sized_finalized_symbol): Check
8564         Symbol::is_common_shndx.
8565         (Symbol_table::sized_write_globals): Likewise.
8566         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8567         common symbol lists.  Don't call do_allocate_commons_list if the
8568         list is empty.
8569         (Symbol_table::do_allocate_commons_list): Remove is_tls
8570         parameter.  Add comons_section_type parameter.  Change all
8571         callers.  Handle small and large common symbols.
8572         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8573         Symbol::is_common_shndx.
8574         * resolve.cc (symbol_to_bits): Likewise.
8575         * target.h (Target::small_common_shndx): New function.
8576         (Target::small_common_section_flags): New function.
8577         (Target::large_common_shndx): New function.
8578         (Target::large_common_section_flags): New function.
8579         (Target::new_output_section): New function.
8580         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8581         small_common_section_flags, and large_common_section_flags
8582         fields.
8583         (Target::do_new_output_section): New virtual function.
8584         * arm.cc (Target_arm::arm_info): Initialize new fields.
8585         * i386.cc (Target_i386::i386_info): Likewise.
8586         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8587         Likewise.
8588         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8589         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8590         (Target_x86_64::do_new_output_section): New function.
8591         * configure.ac: Define conditional MCMODEL_MEDIUM.
8592         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8593         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8594         (large_LDFLAGS): Define.
8595         * testsuite/large.c: New file.
8596         * testsuite/testfile.cc (Target_test::test_target_info):
8597         Initialize new fields.
8598         * configure, testsuite/Makefile.in: Rebuild.
8599
8600 2009-06-05  Doug Kwan  <dougkwan@google.com>
8601
8602         * Makefile.am (CCFILES): Add target.cc.
8603         * Makefile.in: Regenerate.
8604         * i386.cc (class Target_i386): Define new virtual method to
8605         override do_is_local_label_name in parent.
8606         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8607         local symbols if --discard-locals or -X is given.
8608         * options.h (class General_options): Declare new options
8609         '--discard-locals' and '-X' for discarding locals.
8610         * target.h (class Target): Define new methods is_local_label_name.
8611         Declare new virtual method do_is_local_label_name.
8612         * target.cc: New file.
8613         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8614         (check_SCRIPTS): Add discard_locals_test.sh.
8615         (check_DATA): Add discard_local_tests.syms.
8616         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8617         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8618         * testsuite/Makefile.in: Regenerate.
8619         * testsuite/discard_locals_test.c: New file.
8620         * testsuite/discard_locals_test.sh: Same.
8621
8622 2009-06-05  Doug Kwan  <dougkwan@google.com>
8623
8624         * object.cc (Sized_relobj::Sized_relobj): Initialize
8625         discarded_eh_frame_shndx_ to -1U.
8626         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8627         section.
8628         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8629         a discarded .eh_frame section.
8630         (Sized_relobj::do_finalize_local_symbols): Ditto.
8631         * object.h (class Sized_relobj): Declare new member
8632         discarded_eh_frame_shndx_.
8633         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8634         (local_labels_test.o, local_labels_test): New rules.
8635         * testsuite/Makefile.in: Regenerate.
8636
8637 2009-06-04  Doug Kwan  <dougkwan@google.com>
8638
8639         * layout.cc (Layout::section_name_mapping): Add mapping for
8640         special ARM sections.
8641
8642 2009-06-03  Doug Kwan  <dougkwan@google.com>
8643
8644         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8645         (utils::has_overflow): Same.
8646
8647 2009-06-03  Ian Lance Taylor  <iant@google.com>
8648
8649         * layout.cc (Layout::section_name_mapping): New array, replacing
8650         Layout::linkonce_mapping.
8651         (Layout::section_name_mapping_count): New variable, replacing
8652         Layout::linkonce_mapping_count.
8653         (Layout::linkonce_output_name): Remove.
8654         (Layout::output_section_name): Rewrite.
8655         * layout.h (class Layout): Rename Linkonce_mapping to
8656         Section_name_mapping, linkonce_mapping to section_name_mapping,
8657         linkonce_mapping_count to section_name_mapping_count.  Don't
8658         declare linkonce_output_name.
8659
8660 2009-06-03  Doug Kwan  <dougkwan@google.com>
8661
8662         * gold/arm.cc (namespace utils): New.
8663         (Target_arm::reloc_is_non_pic): Define new method.
8664         (class Arm_relocate_functions): New.
8665         (Target_arm::Relocate::relocate): Handle relocation types used by
8666         Android.
8667
8668 2009-06-03  Ian Lance Taylor  <iant@google.com>
8669
8670         * arm.cc (Target_arm::scan::global): Use || instead of |.
8671
8672 2009-06-02  Doug Kwan  <dougkwan@google.com>
8673
8674         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8675         issued_non_pic_error_.
8676         (class Target_arm::Scan): Declare new method check_non_pic.
8677         Define new method symbol_needs_plt_entry.
8678         Declare new data member issued_non_pic_error_.
8679         (class Target_arm::Relocate): Declare new method
8680         should_apply_static_reloc.
8681         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8682         (Target_arm::Scan::check_non_pic): Define new method.
8683         (Target_arm::Scan::local): Handle a small subset of reloc types used
8684         by Android.
8685         (Target_arm::Scan::local): Same.
8686         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8687
8688 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8689
8690         * incremental.cc (Incremental_inputs::report_command_line): Filter
8691         out --incremental-* options.
8692
8693 2009-05-29  Doug Kwan  <dougkwan@google.com>
8694
8695         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8696         template class.
8697         (class Target_arm): Update comment.
8698         (Target_arm::Target_arm): Initialize new data members GOT_,
8699         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8700         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8701         and Target_arm::rel_dyn_section.
8702         Declare new_enum Target_arm::Got_type.
8703         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8704         and DYNBSS_.
8705         Update commments for member do_dynsym_value.
8706         (Target_arm::got_size, Target_arm::plt_section,
8707         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8708         new methods inside class defintion.
8709         (Target_arm::got_section): Define new method.
8710         (Target_arm::rel_dyn_section): Same.
8711         (Output_data_plt_arm): New template class.
8712         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8713         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8714         (Output_data_plt_arm::add_entry): Same.
8715         (Output_data_plt_arm::first_plt_entry): Define new
8716         static data member for PLT instruction template.
8717         (Output_data_plt_arm::plt_entry): Same.
8718         (Output_data_plt_arm::do_write): Define new method.
8719         (Target_arm::make_plt_entry): Same.
8720         (Target_arm::do_finalize_sections): Same.
8721         (Target_arm::do_dynsym_value): Same.
8722
8723 2009-05-28  Doug Kwan  <dougkwan@google.com>
8724
8725         * Makefile.am (TARGETSOURCES): Add arm.cc.
8726         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8727         * Makefile.in: Regenerate.
8728         * arm.cc: New file.
8729         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8730
8731 2009-05-26  Doug Kwan  <dougkwan@google.com>
8732
8733         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8734         (General_options::check_excluded_libs): Strip off directories in
8735         archive name before matching like GNU ld does.
8736         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8737         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8738         (exclude_libs_test_LDFLAGS): Add linker option
8739         -Wl,--exclude-libs,libexclude_libs_test_3
8740         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8741         an explicit archive without using -l.
8742         (alt/libexclude_libs_test_3.a): New make rule.
8743         * testsuite/Makefile.in: Regenerate.
8744         * testsuite/exclude_libs_test.c : Declare lib3_default().
8745         (main): Call it.
8746         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8747         * exclude_libs_test_3.c: New file.
8748
8749 2009-05-26  Nick Clifton  <nickc@redhat.com>
8750
8751         * po/id.po: New Indonesian translation.
8752         * po/gold.pot: Updated template file.
8753
8754 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8755
8756         * testsuite/Makefile.am: Add -ffunction-sections to compile
8757         gc_comdat_test files.  Add -Wl,--gc-sections to build
8758         gc_comdat_test.
8759         * testsuite/Makefile.in: Regenerate.
8760         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8761
8762 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8763
8764         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8765         kept comdat section was garbage collected.
8766         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8767         * testsuite/Makefile.in: Regenerate.
8768         * testsuite/gc_comdat_test.sh: New file.
8769         * testsuite/gc_comdat_test_1.cc: New file.
8770         * testsuite/gc_comdat_test_2.cc: New file.
8771
8772 2009-05-19  Doug Kwan  <dougkwan@google.com>
8773
8774         * archive.cc (Archive::Archive): Move constructor from archive.h
8775         to here.  Initialize no_export_.
8776         (Archive::get_elf_object_for_member): Set no_export flag of object.
8777         * archive.h (Archive::Archive): Move constructor body to
8778         archive.cc.
8779         (Archive::no_export): New method.
8780         (Archive::no_export_): New field.
8781         * object.h (Object::Object): Initialize no_export_ to false.
8782         (Object::no_export, Object::set_no_export): New methods.
8783         (Object::no_export_): New field.
8784         * options.cc (General_options::parse_exclude_libs): New method.
8785         (General_options::check_excluded_libs) Same.
8786         * options.h (exclude_libs): New option.
8787         (General_options::check_excluded_libs): New method declaration.
8788         (General_options::excluded_libs_): New field.
8789         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8790         default or protected visibility if an object has no-export flag set.
8791         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8792         (check_SCRIPTS): Add exclude_libs_test.sh.
8793         (check_DATA): Add exclude_libs_test.syms.
8794         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8795         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8796         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8797         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8798         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8799         libexclude_libs_test_2.a): New rules.
8800         * testsuite/Makefile.in: Regenerate.
8801         * testsuite/exclude_libs_test.c: New file.
8802         * testsuite/exclude_libs_test.sh: Ditto.
8803         * testsuite/exclude_libs_test_1.c: Ditto.
8804         * testsuite/exclude_libs_test_2.c: Ditto.
8805
8806 2009-05-15  Ian Lance Taylor  <iant@google.com>
8807
8808         * configure.ac: Check for declarations for cases where libiberty.h
8809         checks HAVE_DECL_xxx.
8810         * configure, config.in: Rebuild.
8811
8812 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8813
8814         * gold.h (Incremental_argument_list): Remove (invalid) forward
8815         declaration.
8816         * incremental.cc (Incremental_inputs::report_achive): New method.
8817         (Incremental_inputs::report_object): New method.
8818         (Incremental_inputs::report_script): New method.
8819         (Incremental_inputs::finalize_inputs): New method.
8820         (Incremental_inputs::finalize): Call finalize_inputs().
8821         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8822         Create inputs entries.
8823         * incremental.h (Incremental_input_type): New enum.
8824         (Incremental_inputs::Incremental_input): Initialize new fields.
8825         (Incremental_inputs::report_inputs): New method.
8826         (Incremental_inputs::report_achive): New method.
8827         (Incremental_inputs::report_object): New method.
8828         (Incremental_inputs::report_script): New method.
8829         (Incremental_inputs::finalize_inputs): New method.
8830         (Incremental_inputs::Input_info): New struct.
8831         (Incremental_inputs::Input_info_map): New typedef.
8832         (Incremental_inputs::lock_): New field.
8833         (Incremental_inputs::Inputs_): New field.
8834         (Incremental_inputs::Inputs_map): New field.
8835         * main.cc (main): Call Incremental_input::report_inputs.
8836         * options.h (Input_argument_list): Typedef moved from
8837         Input_arguments.
8838         (Input_file_group::Files): Remove, use ::Input_argument_list.
8839         (Input_file_group::Input_argument_list): Remove, use
8840         ::Input_argument_list.
8841         * plugin.cc (Plugin_manager::add_input_file): Add error in
8842         incremental build.
8843         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8844         functions.
8845         * script.cc (read_input_script): Call
8846         Incremental_input::report_script.
8847         * script.h (Script_info): New class.
8848
8849 2009-04-27  Ian Lance Taylor  <iant@google.com>
8850
8851         * x86_64.cc (do_adjust_output_section): Set entsize to
8852         plt_entry_size.
8853
8854 2009-04-23  Elliott Hughes  <enh@google.com>
8855
8856         * output.cc (Output_file::close): After short writes, continue
8857         writing from the correct offset in the buffer being written.
8858
8859 2009-04-23  Chris Demetriou  <cgd@google.com>
8860
8861         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8862         * configure: Regenerate.
8863         * config.in: Regenerate.
8864         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8865         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8866
8867 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8868
8869         * incremental.cc (Incremental_inputs_header_data): Renamed from
8870         Incremental_input_header_data.
8871         (Incremental_inputs_header_data::data_size): New field.
8872         (Incremental_inputs_header_data::put_input_file_count): Renamed
8873         from input_file_count.
8874         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8875         from command_line_offset.
8876         (Incremental_inputs_header_data::put_reserved): Renamed from
8877         put_reserved.
8878         (Incremental_inputs_entry_data): Renamed from
8879         Incremental_input_entry_data.
8880         (Incremental_inputs_entry_data::data_size): New field.
8881         (Incremental_inputs::report_command_line): New method.
8882         (Incremental_inputs::finalize): New method.
8883         (Incremental_inputs::create_incremental_inputs_data): New method.
8884         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8885         * incremental.h: New file.
8886         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8887        (Layout::finalize): Create incremental inputs section in
8888         incremental builds.
8889        (Layout::create_incremental_info_sections): New method.
8890         * layout.h (Layout::incremental_inputs): New method.
8891        (Layout::create_incremental_info_sections): New method.
8892        (Layout::incremental_inputs_): New field.
8893         * main.cc (main): Notify Incremental_input of the command line.
8894
8895 2009-04-01  Ian Lance Taylor  <iant@google.com>
8896             Mikolaj Zalewski  <mikolajz@google.com>
8897
8898         * gold.h (reserve_unordered_map): Define, three versions, one for
8899         each version of Unordered_map.
8900         * layout.cc (Layout::Layout): Remove options parameter.  Add
8901         number_of_input_files parameter.  Don't initialize options_.
8902         Initialize number_of_input_files_ and resized_signatures_.  Move
8903         sections_are_attached_.
8904         (Layout::layout_group): Reserve space for group_signatures_.
8905         (Layout::find_or_add_kept_section): Change name parameter to be a
8906         reference.  Resize signatures_ map when it gets large enough.
8907         (Layout::layout_eh_frame): Use parameters->options() instead of
8908         this->options_.
8909         (Layout::make_output_section): Likewise.
8910         (Layout::attach_allocated_section_to_segment): Likewise.
8911         (Layout::finalize, Layout::create_executable_stack): Likewise.
8912         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8913         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8914         * layout.h (class Layout): Update declarations.  Remove options_
8915         field.  Add number_of_input_files_ and resized_signatures_
8916         fields.  Move sections_are_attached_ field.
8917         * main.cc (main): Pass number of input files to Layout
8918         constructor.  Don't pass options.
8919
8920 2009-03-30  Ian Lance Taylor  <iant@google.com>
8921
8922         * ffsll.c (ffsll): Correct implementation.
8923
8924 2009-03-27  Ian Lance Taylor  <iant@google.com>
8925
8926         * ffsll.c: New file.
8927         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8928         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8929         * ftruncate.c (ftruncate): Declare before definition.
8930         * mremap.c (mremap): Likewise.
8931         * pread.c (pread): Likewise.
8932         * configure, Makefile.in, config.in: Rebuild.
8933
8934         * mremap.c: New file.
8935         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8936         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8937         (mremap): Declare if HAVE_MREMAP is not defined.
8938         * configure, Makefile.in, config.in: Rebuild.
8939
8940 2009-03-27  Cary Coutant  <ccoutant@google.com>
8941
8942         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8943         position independent.
8944         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8945         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8946
8947 2009-03-24  Cary Coutant  <ccoutant@google.com>
8948
8949         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8950         an executable.
8951         (needs_dynamic_reloc): Likewise.
8952
8953 2009-03-24  Ian Lance Taylor  <iant@google.com>
8954
8955         * yyscript.y (file_cmd): Recognize EXTERN.
8956         (extern_name_list, extern_name_list_body): New nonterminals.
8957         * script.cc (script_add_extern): Define.
8958         * script-c.h (script_add_extern): Declare.
8959
8960 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8961
8962         * object.cc (is_elf_object): Define.
8963         * object.h (is_elf_object): Declare.
8964         * archive.cc (Archive::get_elf_object_for_member): Call
8965         is_elf_object.
8966         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8967
8968 2009-03-24  Elliott Hughes  <enh@google.com>
8969
8970         * output.cc (Output_file::map_anonymous): Define.
8971         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8972         try an anonymous one.  Report the size if the mmap fails.
8973         * output.h (class Output_file): Declare map_anonymous.
8974
8975 2009-03-24  Ian Lance Taylor  <iant@google.com>
8976
8977         * target-select.cc (instantiate_target): Don't acquire the lock if
8978         the instantiated_target_ field has already been set.
8979
8980 2009-03-23  Ian Lance Taylor  <iant@google.com>
8981
8982         * gold-threads.h (class Initialize_lock): Define.
8983         * gold-threads.cc (class Initialize_lock_once): Define.
8984         (initialize_lock_control): New static variable.
8985         (initialize_lock_pointer): New static variable.
8986         (initialize_lock_once): New static function.
8987         (Initialize_lock::Initialize_lock): Define.
8988         (Initialize_lock::initialize): Define.
8989         * target-select.h: Include "gold-threads.h".
8990         (class Target_selector): Add lock_ and initialize_lock_ fields.
8991         Don't define instantiate_target, just declare it.
8992         * target-select.cc (Target_selector::Target_selector): Initialize
8993         new fields.
8994         (Target_selector::instantiate_target): Define.
8995         * descriptors.h: Include "gold-threads.h".
8996         (class Descriptors): Add initialize_lock_ field.
8997         * descriptors.cc (Descriptors::Descriptors): Initialize new
8998         field.
8999         (Descriptors::open): Use initialize_lock_ field
9000         * errors.h (class Errors): Add initialize_lock_ field.
9001         * errors.cc (Errors::Errors): Initialize new field.
9002         (Errors::initialize_lock): Use initialize_lock_ field.
9003         * powerpc.cc (class Target_selector_powerpc): Remove
9004         instantiated_target_ field.  In do_recognize call
9005         instantiate_target rather than do_instantiate_target.  In
9006         do_instantiate_target just allocate a new target.
9007         * sparc.cc (class Target_selector_sparc): Likewise.
9008
9009         * freebsd.h: New file.
9010         * i386.cc: Include "freebsd.h".
9011         (Target_i386): Derive from Target_freebsd rather than
9012         Sized_target.
9013         (Target_selector_i386): Derive from Target_selector_freebsd rather
9014         than Target_selector.
9015         * x86_64.cc: Include "freebsd.h".
9016         (Target_x86_64): Derive from Target_freebsd rather than
9017         Sized_target.
9018         (Target_selector_x86_64): Derive from Target_selector_freebsd
9019         rather than Target_selector.
9020         * target.h (class Target): Add adjust_elf_header and
9021         do_adjust_elf_header.
9022         * output.cc (Output_file_header:: do_sized_write): Call target
9023         adjust_elf_header routine.
9024         * configure.tgt: Set targ_osabi.
9025         * configure.ac: Define GOLD_DEFAULT_OSABI.
9026         * parameters.cc (Parameters::default_target): Pass
9027         GOLD_DEFAULT_OSABI to select_target.
9028         * target-select.h (class Target_selector): Make instantiate_target
9029         protected rather than private.
9030         * Makefile.am (HFILES): Add freebsd.h.
9031         * configure, Makefile.in, config.in: Rebuild.
9032
9033         * merge.cc (do_add_input_section): Correct pend value.  Change
9034         message about last entry not being null terminated from error to
9035         warning.
9036
9037 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9038
9039         * incremental.cc: New file.
9040         * Makefile.am (CCFILES): Add incremental.cc.
9041         * Makefile.in: Rebuild.
9042
9043 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9044
9045         * layout.cc (Layout::output_section_name): Preserve names
9046         of '.note.' sections.
9047
9048 2009-03-19  Ian Lance Taylor  <iant@google.com>
9049
9050         * descriptors.cc (Descriptors::open): Check that the options are
9051         valid before using them.
9052
9053 2009-03-18  Ian Lance Taylor  <iant@google.com>
9054
9055         * script-sections.h: Include <list>.
9056         (class Script_sections): Change Sections_elements from std::vector
9057         to std::list.  Typedef public Elements_iterator.  Add
9058         orphan_section_placement_, data_segment_align_start_, and
9059         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9060         field.
9061         * script-sections.cc (class Orphan_section_placement): New class.
9062         (class Sections_element): Add virtual functions is_relro and
9063         orphan_section_init.  Remove virtual function place_orphan_here.
9064         (class Output_section_definition): Add is_relro and
9065         orphan_section_init.  Remove place_orphan_here.
9066         (class Orphan_output_section): Likewise.
9067         (Script_sections::Script_sections): Update for field changes.
9068         (Script_sections::data_segment_align): Set saw_data_segment_align_
9069         and data_segment_align_start_, not data_segment_align_index.
9070         (Script_sections::data_segment_relro_end): Check
9071         saw_data_segment_align_.  Use data_segment_align_start_ rather
9072         than data_segment_align_index_.
9073         (Script_sections::place_orphan): Rewrite to use
9074         Orphan_section_placement.
9075
9076 2009-03-17  Ian Lance Taylor  <iant@google.com>
9077
9078         * archive.cc (Archive::add_symbols): Check for a version attached
9079         to the symbol name in the archive map.
9080         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9081         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9082         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9083         (ver_test_11.a): New target.
9084         * testsuite/Makefile.in: Rebuild.
9085
9086         * configure.ac: Check for chsize and posix_fallocate.  Replace
9087         ftruncate.
9088         * ftruncate.c: New file, from gnulib.
9089         * output.cc (posix_fallocate): Define dummy version if not
9090         HAVE_POSIX_FALLOCATE.
9091         (Output_file::map): Call posix_fallocate rather than lseek and
9092         write.
9093         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9094         * configure, Makefile.in, config.in: Rebuild.
9095
9096 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9097
9098         * layout.h (Layout::create_note): Add section_name parameter.
9099         * layout.cc (Layout::create_note): Likewise.
9100         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9101
9102 2009-03-17  Ian Lance Taylor  <iant@google.com>
9103
9104         * descriptors.cc: Include "options.h".
9105         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9106         (Descriptors::open): Always use O_CLOEXEC when opening a new
9107         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9108         then set FD_CLOEXEC.
9109
9110         * sparc.cc (class Target_sparc): Add has_got_section.
9111         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9112         make sure we have a GOT section.
9113
9114         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9115         (Target_sparc::Scan::local): Likewise.
9116         (Target_sparc::Scan::global): Likewise.
9117         (Target_sparc::Relocate::relocate): Likewise.
9118         (Target_sparc::Relocate::relocate_tls): Likewise.
9119
9120         * symtab.cc (Symbol_table::define_default_version): New function,
9121         broken out of add_from_object.
9122         (Symbol_table::add_from_object): Call define_default_version.
9123         (Symbol_table::define_special_symbol): Add resolve_oldsym
9124         parameter.  Change all callers.  If the version for a symbol comes
9125         from a version script, resolve it with the symbol with the same
9126         name with no version.  Also add the symbol without a version if
9127         appropriate.
9128         (do_define_in_output_data): If resolving with oldsym, don't delete
9129         sym.
9130         (do_define_in_output_segment): Likewise.
9131         (do_define_as_constant): Likewise.
9132         * symtab.h (class Symbol_table): Update declarations.
9133
9134 2009-03-13  Ian Lance Taylor  <iant@google.com>
9135
9136         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9137         (Read_symbols::requeue): New function.
9138         (Read_symbols::do_read_symbols): If make_elf_object fails because
9139         the target type is not configured, and the file was searched for,
9140         issue a warning and retry with the next directory.
9141         (Add_symbols::run): If the file has an incompatible format, and
9142         it was searched for, requeue the Read_symbols task.  On error,
9143         release the object.
9144         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9145         dirindex parameter to constructor.  Change all callers.  Declare
9146         incompatible_warning and requeue.
9147         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9148         input_argument_ and input_group_ fields.  Add them to
9149         constructor.  Change all callers.
9150         (class Read_script): Add dirindex_ field.  Add it to constructor.
9151         Change all callers.
9152         * archive.cc (Archive::setup): Remove input_objects parameter.
9153         Change all callers.
9154         (Archive::get_file_and_offset): Likewise.
9155         (Archive::read_all_symbols): Likewise.
9156         (Archive::read_symbols): Likewise.
9157         (Archive::get_elf_object_for_member): Remove input_objects
9158         parameter.  Add punconfigured parameter.  Change all callers.
9159         (Archive::add_symbols): Change return type to bool.  Check return
9160         value of include_member.
9161         (Archive::include_all_members): Likewise.
9162         (Archive::include_member): Change return type to bool.  Return
9163         false if first included object has incompatible target.  Set
9164         included_member_ field.
9165         (Add_archive_symbols::run): If add_symbols returns false, requeue
9166         Read_symbols task.
9167         * archive.h (class Archive): Add included_member_ field.
9168         Initialize it in constructor.  Add input_file and searched_for
9169         methods.  Update declarations.
9170         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9171         input_argument_ fields.  Add them to constructor.  Change all
9172         callers.
9173         * script.cc: Include "target-select.h".
9174         (class Parser_closure): Add skip_on_incompatible_target_ and
9175         found_incompatible_target_ fields.  Add
9176         skip_on_incompatible_target parameter to constructor.  Change all
9177         callers.  Add methods skip_on_incompatible_target,
9178         clear_skip_on_incompatible_target, found_incompatible_target, and
9179         set_found_incompatible_target.
9180         (read_input_script): Add dirindex parameter.  Change all callers.
9181         If parser finds an incompatible target, requeue Read_symbols
9182         task.
9183         (script_set_symbol): Clear skip_on_incompatible_target in
9184         closure.
9185         (script_add_assertion, script_parse_option): Likewise.
9186         (script_start_sections, script_add_phdr): Likewise.
9187         (script_check_output_format): New function.
9188         * script.h (read_input_script): Update declaration.
9189         * script-c.h (script_check_output_format): Declare.
9190         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9191         (ignore_cmd): Remove OUTPUT_FORMAT.
9192         * fileread.cc (Input_file::Input_file): Add explicit this.
9193         (Input_file::will_search_for): New function.
9194         (Input_file::open): Add pindex parameter.  Change all callers.
9195         * fileread.h (class Input_file): Add input_file_argument method.
9196         Declare will_search_for.  Update declarations.
9197         * object.cc (make_elf_object): Add punconfigured parameter.
9198         Change all callers.
9199         * object.h (class Object): Make input_file public.  Add
9200         searched_for method.
9201         (make_elf_object): Update declaration.
9202         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9203         restart search.
9204         * dirsearch.h (class Dirsearch): Update declaration.
9205         * options.h (class General_options): Add --warn-search-mismatch.
9206         * parameters.cc (Parameters::is_compatible_target): New function.
9207         * parameters.h (class Parameters): Declare is_compatible_target.
9208         * workqueue.cc (Workqueue::add_blocker): New function.
9209         * workqueue.h (class Workqueue): Declare add_blocker.
9210
9211         * fileread.cc (Input_file::open): Remove options parameter.
9212         Change all callers.
9213         (Input_file::open_binary): Likewise.
9214         * script.cc (read_input_script): Likewise.
9215         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9216         options parameter from constructor.  Change all callers.
9217         (class Read_script): Likewise.
9218         * fileread.h (class Input_file): Update declarations.
9219         * script.h (read_input_script): Update declaration.
9220
9221 2009-03-10  Nick Clifton  <nickc@redhat.com>
9222
9223         * po/es.po: New Spanish translation.
9224
9225 2009-03-06  Cary Coutant  <ccoutant@google.com>
9226
9227         * options.cc (parse_short_option): Keep dash_z from registering itself.
9228
9229 2009-03-03  Ian Lance Taylor  <iant@google.com>
9230
9231         PR 9918
9232         * target-reloc.h (relocate_section): Pass output_section to
9233         relocate.
9234         * i386.cc (Target_i386::should_apply_static_reloc): Add
9235         output_section parameter.  Change all callers.
9236         (Target_i386::Relocate::relocate): Add output_section parameter.
9237         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9238         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9239         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9240         * testsuite/two_file_shared.sh: New script.
9241         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9242         (check_DATA): Add two_file_shared.dbg.
9243         (two_file_shared.dbg): New target.
9244         * testsuite/Makefile.in: Rebuild.
9245
9246 2009-03-01  Ian Lance Taylor  <iant@google.com>
9247
9248         * configure.ac: Check for byteswap.h.
9249         * configure: Rebuild.
9250         * config.in: Rebuild.
9251
9252 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9253
9254         * layout.cc (Layout::find_or_add_kept_section): New function.
9255         (Layout::add_comdat): Removed.
9256         * layout.h (struct Kept_section): Move out of class Layout.
9257         Remove trailing underscores from field names.  Add group_sections
9258         field.  Rename group_ field to is_group.  Change all uses.
9259         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9260         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9261         comdat_groups_ field.
9262         (Sized_relobj::include_section_group): Use
9263         find_or_add_kept_section and Kept_section::group_sections.
9264         (Sized_relobj::include_linkonce_section): Likewise.
9265         * object.cc (class Sized_relobj): Don't define Comdat_group or
9266         Comdat_group_table.  Remove find_comdat_group and
9267         add_comdat_group.  Remove comdat_groups_ field.
9268         * plugin.cc (include_comdat_group): Use
9269         Layout::find_or_add_kept_section.
9270
9271 2009-02-28  Ian Lance Taylor  <iant@google.com>
9272
9273         * README: --gc-sections and map files are now supported.  Document
9274         some build requirements.
9275
9276         PR 6992
9277         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9278         relocatable link set the value of the section symbol to zero.
9279         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9280         relocatable link don't include the section address in the local
9281         symbol value.
9282
9283 2009-02-27  Ian Lance Taylor  <iant@google.com>
9284
9285         PR 6811
9286         * options.h (class Search_directory): Add is_system_directory.
9287         (class General_options): Declare is_in_system_directory.
9288         * options.cc (get_relative_sysroot): Make static.
9289         (get_default_sysroot): Make static.
9290         (General_optoins::is_in_system_directory): New function.
9291         * fileread.cc (Input_file::is_in_system_directory): New function.
9292         * fileread.h (class Input_file): Declare is_in_system_directory.
9293         * object.h (class Object): Add is_in_system_directory.
9294         (class Input_objects): Remove system_library_directory_ field.
9295         * object.cc (Input_objects::add_object): Don't set
9296         system_library_directory_.
9297         (input_objects::found_in_system_library_directory): Remove.
9298         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9299         parameter.  Change all callers.
9300         (Symbol_table::sized_write_globals): Likewise.
9301         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9302         Call Object::is_in_system_directory.
9303         * symtab.h (class Symbol_table): Update declarations.
9304
9305         PR 5990
9306         * descriptors.h (Open_descriptor): Add is_on_stack field.
9307         * descriptors.cc (Descriptors::open): If the descriptor is on the
9308         top of the stack, remove it.  Initialize is_on_stack field.
9309         (Descriptors::release): Only add pod to stack if it is not on the
9310         stack already.
9311         (Descriptors::close_some_descriptor): Clear stack_next and
9312         is_on_stack fields.
9313
9314         PR 7091
9315         * output.cc (Output_section::find_starting_output_address): Rename
9316         from starting_output_address; add PADDR parameter; change return
9317         type.
9318         * output.h (class Output_section): Declare
9319         find_starting_output_address instead of starting_output_address.
9320         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9321         section symbol for which we can't find a merge section.
9322
9323         PR 9836
9324         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9325         hidden or internal, force the symbol to be local.
9326         * resolve.cc (Symbol::override_visibility): Define.
9327         (Symbol::override_base): Use override_visibility.
9328         (Symbol_table::resolve): Likewise.
9329         (Symbol::override_base_with_special): Likewise.
9330         (Symbol_table::override_with_special): If the visibility is hidden
9331         or internal, force the symbol to be local.
9332         * symtab.h (class Symbol): Add set_visibility and
9333         override_visibility.
9334         * testsuite/ver_test_1.sh: New file.
9335         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9336         (check_DATA): Add ver_test_1.syms.
9337         (ver_test_1.syms): New target.
9338         * testsuite/Makefile.in: Rebuild.
9339
9340 2009-02-25  Cary Coutant  <ccoutant@google.com>
9341
9342         * layout.cc (Layout::choose_output_section): Don't rename sections
9343         when using a linker script that has a SECTIONS clause.
9344         * Makefile.in: Regenerate.
9345
9346         * testsuite/Makefile.am (script_test_5.sh): New test case.
9347         * testsuite/Makefile.in: Regenerate.
9348         * testsuite/script_test_5.cc: New file.
9349         * testsuite/script_test_5.sh: New file.
9350         * testsuite/script_test_5.t: New file.
9351
9352 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9353
9354         * archive.cc (Archive::include_member): Update calls to add_symbols.
9355         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9356         the Layout argument.
9357         * dynobj.h (do_add_symbols): Add the Layout argument.
9358         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9359         Layout argument.
9360         * object.h (Object::add_symbols): Add the Layout argument.
9361         (Object::do_add_symbols): Add the Layout argument.
9362         (Sized_relobj::do_add_symbols): Add the Layout argument.
9363         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9364         Unify the two versions.
9365         (Add_plugin_symbols): Remove.
9366         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9367         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9368         (Add_plugin_symbols): Remove.
9369         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9370         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9371         (Add_symbols::run): Make it work with Pulginobj.
9372
9373 2009-02-06  Ian Lance Taylor  <iant@google.com>
9374
9375         * object.cc (Sized_relobj::do_layout): Make info message start
9376         with lower case letter.
9377
9378 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9379
9380         * binary.cc: Fix file comment.
9381
9382         * options.h (enum Incremental_disposition): Define.
9383         (class General_options): Add new options: --incremental,
9384         --incremental_changed, --incremental_unchanged,
9385         --incremental_unknown.  Add incremental_disposition_ and
9386         implicit_incremental_ fields.
9387         (General_options::incremental_disposition): New function.
9388         (class Position_dependent_options): Add incremental_disposition
9389         option.
9390         (Position_dependent_options::copy_from_options): Set incremental
9391         dispositions.
9392         * options.cc (General_options::parse_incremental_changed): New
9393         function.
9394         (General_options::parse_incremental_unchanged): New function.
9395         (General_options::parse_incremental_unknown): New function.
9396         (General_options::General_options): Initialize new fields
9397         incremental_disposition_ and implicit_incremental_.
9398         (General_options::finalize): Check for uasge of --incremental-*
9399         without --incremental.
9400
9401 2009-02-06  Chris Demetriou  <cgd@google.com>
9402
9403         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9404         pointer and to report location as the file name associated with
9405         the symbol.
9406         (gold_undefined_symbol_at_location): New function to replace the
9407         old gold_undefined_symbol functionality.
9408         * target-reloc.h (relocate_section): Update to use
9409         gold_undefined_symbol_at_location.
9410         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9411         Call gold_undefined_symbol function rather than gold_error.
9412         * errors.h (Errors::undefined_symbol): Take location as a
9413         string, rather than calculating it from a relocation.
9414         * errors.cc (Errors::fatal): Print "fatal error:" before the
9415         formatted message.
9416         (Errors::error, Errors::error_at_location): Print "error: "
9417         before the formatted message.
9418         (Errors::undefined_symbol): Take location as a string, rather
9419         than calculating it from a relocation.
9420         (gold_undefined_symbol_at_location): New function akin to
9421         old gold_undefined_symbol, calculates location from relocation.
9422         (gold_undefined_symbol): Change to take only a Symbol pointer
9423         and to report location as the file name associated with the symbol.
9424         * testsuite/debug_msg.sh: Update for changed error messages.
9425         * testsuite/undef_symbol.sh: Likewise.
9426
9427 2009-02-04  Duncan Sands  <baldrick@free.fr>
9428
9429         PR 9812
9430         * reduced_debug_output.h
9431         (Output_reduced_debug_abbrev_section::failed): Use format for
9432         gold_warning.
9433         (Output_reduced_debug_info_section::faild): Likewise.
9434
9435 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9436
9437         * script.cc (Lazy_demangler): New class.
9438         (Version_script_info::get_symbol_version_helper): Demangle a
9439         symbol only once.
9440
9441 2009-01-29  Cary Coutant  <ccoutant@google.com>
9442
9443         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9444         to __tls_get_addr.
9445         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9446
9447 2009-01-28  Ian Lance Taylor  <iant@google.com>
9448
9449         * version.cc (version_string): Bump to 1.9.
9450
9451         * gold.h: Include <cstring> and <stdint.h>.
9452         * version.cc: Include <cstdio>.
9453         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9454         warning.
9455         * reduced_debug_output.cc (insert_into_vector): Rename from
9456         Insert_into_vector; change all callers.  Use Swap_unaligned to
9457         avoid aliasing issue; remove union since it is unnecessary.
9458
9459 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9460
9461         * Makefile.am (CCFILES): Add gc.cc.
9462         (HFILES): Add gc.h.
9463         * Makefile.in: Regenerate.
9464         * gold.cc (Gc_runner): New class.
9465         (queue_initial_tasks): Call garbage collection related tasks
9466         when corresponding options are invoked.
9467         (queue_middle_gc_tasks): New function.
9468         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9469         processed early before laying out sections during garbage collection.
9470         * gold.h (queue_middle_gc_tasks): New function.
9471         (is_prefix_of): Move from "layout.cc".
9472         * i386.cc (Target_i386::gc_process_relocs): New function.
9473         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9474         * main.cc (main): Create object of class "Garbage_collection".
9475         * object.cc (Relobj::copy_symbols_data): New function.
9476         (Relobj::is_section_name_included): New function.
9477         (Sized_relobj::do_layout): Allow this function to be called twice
9478         during garbage collection and defer layout of section during the
9479         first call.
9480         * object.h (Relobj::get_symbols_data): New function.
9481         (Relobj::is_section_name_included): New function.
9482         (Relobj::copy_symbols_data): New function.
9483         (Relobj::set_symbols_data): New function.
9484         (Relobj::get_relocs_data): New function.
9485         (Relobj::set_relocs_data): New function.
9486         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9487         (Relobj::gc_process_relocs): New function.
9488         (Relobj::do_gc_process_relocs): New pure virtual function.
9489         (Relobj::sd_): New data member.
9490         (Sized_relobj::is_output_section_offset_invalid): New function.
9491         (Sized_relobj::do_gc_process_relocs): New function.
9492         * options.h (General_options::gc_sections): Modify to not be a no-op.
9493         (General_options::print_gc_sections): New option.
9494         * plugin.cc (Plugin_finish::run): Remove function call to
9495         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9496         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9497         * reloc.cc (Read_relocs::run): Add task to process relocs and
9498         determine unreferenced sections when doing garbage collection.
9499         (Gc_process_relocs): New class.
9500         (Sized_relobj::do_gc_process_relocs): New function.
9501         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9502         sections that are garbage collected.
9503         * reloc.h (Gc_process_relocs): New class.
9504         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9505         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9506         symbols whose corresponding sections are garbage collected.
9507         (Symbol_table::Symbol_table): Add new parameter for the garbage
9508         collection object.
9509         (Symbol_table::gc_mark_undef_symbols): New function.
9510         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9511         (Symbol_table::gc_mark_dyn_syms): New function.
9512         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9513         as garbage.
9514         (Symbol_table::add_from_object): Likewise.
9515         (Symbol_table::add_from_relobj): When building shared objects, do not
9516         treat externally visible symbols as garbage.
9517         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9518         table information for static and relocatable links.
9519         * symtab.h (Symbol_table::set_gc): New function.
9520         (Symbol_table::gc): New function.
9521         (Symbol_table::gc_mark_undef_symbols): New function.
9522         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9523         (Symbol_table::gc_mark_dyn_syms): New function.
9524         (Symbol_table::gc_): New data member.
9525         * target.h (Sized_target::gc_process_relocs): New pure virtual
9526         function.
9527         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9528         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9529
9530 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9531
9532         * options.h (General_options::gc_sections): Define as a no-op for now.
9533         (General_options::no_keep_memory): Ditto.
9534         (General_options::Bshareable): Define.
9535         * options.cc (General_options::finalize): Honor -Bshareable.
9536
9537 2009-01-20  Andreas Schwab  <schwab@suse.de>
9538
9539         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9540         read the value in the contents, since we don't use it.  Use the
9541         template endianness when writing.
9542         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9543
9544 2009-01-19  Andreas Schwab  <schwab@suse.de>
9545
9546         * configure.tgt (powerpc64-*): Fix targ_obj.
9547
9548 2009-01-15  Ian Lance Taylor  <iant@google.com>
9549
9550         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9551         local symbols when stripping all symbols.
9552
9553 2009-01-14  Cary Coutant  <ccoutant@google.com>
9554
9555         * output.cc (Output_reloc): Add explicit instantiations.
9556
9557 2009-01-14  Cary Coutant  <ccoutant@google.com>
9558
9559         * archive.cc (Archive::get_elf_object_for_member): Remove call
9560         to File_read::claim_for_plugin.
9561         * descriptors.cc (Descriptors::open): Remove reference to
9562         is_claimed.
9563         (Descriptors::claim_for_plugin): Remove.
9564         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9565         (Descriptors::is_claimed): Remove.
9566         (claim_descriptor_for_plugin): Remove.
9567         * fileread.cc (File_read::claim_for_plugin): Remove.
9568         * fileread.h (File_read::claim_for_plugin): Remove.
9569         (File_read::descriptor): Reopen descriptor if necessary.
9570         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9571         (Plugin_manager::all_symbols_read): Add task parameter. Change
9572         all callers.
9573         (Plugin_manager::get_input_file): New function.
9574         (Plugin_manager::release_input_file): New function.
9575         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9576         corresponding data member.
9577         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9578         and pass to base constructor. Change all callers.
9579         (get_input_file, release_input_file): New functions.
9580         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9581         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9582         (Plugin_manager::all_symbols_read): Add task parameter.
9583         (Plugin_manager::get_input_file): New function.
9584         (Plugin_manager::release_input_file): New function.
9585         (Plugin_manager::task_): New data member.
9586         (Pluginobj::Pluginobj): Add filesize parameter.
9587         (Pluginobj::filename): New function.
9588         (Pluginobj::descriptor): New function.
9589         (Pluginobj::filesize): New function.
9590         (Pluginobj::filesize_): New data member.
9591         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9592         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9593         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9594
9595         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9596         with archive libraries.
9597         * testsuite/Makefile.in: Regenerate.
9598         * testsuite/plugin_test.c (struct sym_info): New type.
9599         (get_input_file, release_input_file): New static variables.
9600         (onload): Capture new transfer vector entries.
9601         (claim_file_hook): Stop reading at end of file according to filesize.
9602         Factor out parsing of readelf output into separate function.
9603         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9604         APIs and get the source file name from the symbol table.  Convert
9605         source file name to corresponding object file name.  Print info
9606         message when adding new input files.
9607         (parse_readelf_line): New function.
9608         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9609         * testsuite/plugin_test_2.sh: Likewise.
9610         * testsuite/plugin_test_3.sh: Likewise.
9611         * testsuite/plugin_test_4.sh: New test case.
9612
9613 2009-01-07  Ian Lance Taylor  <iant@google.com>
9614
9615         * version.cc (version_string): Bump to 1.8.
9616
9617 2008-12-23  Cary Coutant  <ccoutant@google.com>
9618
9619         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9620         * plugin.cc (Plugin_manager::finish): Rename as
9621         layout_deferred_objects.  Move cleanup to separate function.
9622         (Plugin_manager::cleanup): New function.
9623         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9624         separately.
9625         * plugin.h (Plugin_manager::finish): Rename as
9626         layout_deferred_objects.
9627         (Plugin_manager::cleanup): New function.
9628         (Plugin_manager::cleanup_done): New field.
9629
9630 2008-12-23  Cary Coutant  <ccoutant@google.com>
9631
9632         * plugin.cc (is_visible_from_outside): New function.
9633         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9634         so we don't return "IR only" status for exported symbols or -r links.
9635
9636         * testsuite/Makefile.am (plugin_test_3): New test case.
9637         * testsuite/Makefile.in: Regenerate.
9638         * testsuite/plugin_test_3.sh: New file.
9639
9640 2008-12-22  Cary Coutant  <ccoutant@google.com>
9641
9642         * object.cc (Sized_relobj::layout_section): New function.
9643         (Sized_relobj::do_layout): Defer layout of input sections until after
9644         plugin has provided replacement files.
9645         (Sized_relobj::do_layout_deferred_sections): New function.
9646         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9647         (Relobj::layout_deferred_sections): New function.
9648         (Relobj::do_layout_deferred_sections): New function.
9649         (Sized_relobj::do_layout_deferred_sections): New function.
9650         (Sized_relobj::layout_section): New function.
9651         (Sized_relobj::Deferred_layout): New structure.
9652         (Sized_relobj::deferred_layout_): New field.
9653         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9654         Change all callers.  Layout deferred sections.
9655         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9656         references.
9657         (Plugin_hook::run): Move code from do_plugin_hook inline.
9658         (Plugin_hook::do_plugin_hook): Remove.
9659         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9660         (Plugin_manager::finish): Renamed, was cleanup.
9661         (Plugin_manager::should_defer_layout): New function.
9662         (Plugin_manager::add_deferred_layout_object): New function.
9663         (Plugin_manager::Deferred_layout_list): New type.
9664         (Plugin_manager::deferred_layout_objects_): New field.
9665         (Plugin_hook::do_plugin_hook): Remove.
9666
9667 2008-12-17  Ian Lance Taylor  <iant@google.com>
9668
9669         * options.h (class General_options): Add --no case for
9670         --export-dynamic.
9671
9672 2008-12-16  Cary Coutant  <ccoutant@google.com>
9673
9674         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9675         vector.
9676         (Plugin_manager::claim_file): Create plugin object even if
9677         plugin did not call the add_symbols callback.
9678         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9679         asking for more symbols than were added.
9680         * testsuite/Makefile.am (plugin_test_1): Add test case with
9681         no global symbols.
9682         (empty.syms): New target.
9683         * testsuite/Makefile.in: Regenerate.
9684         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9685         message. Don't call add_symbols if no globals.
9686         (all_symbols_read_hook): Don't provide replacement for empty
9687         claimed file.
9688
9689 2008-12-12  Ian Lance Taylor  <iant@google.com>
9690
9691         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9692         r_type == 0 for a local symbol with r_sym == 0.
9693         (scan_relocatable_relocs): Pass r_sym to
9694         local_non_section_strategy.
9695         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9696         r_sym parameter.
9697
9698         * configure.ac: Update test for TLS descriptors: they are
9699         supported as of glibc 2.9.
9700         * configure: Rebuild.
9701
9702 2008-12-11  Ian Lance Taylor  <iant@google.com>
9703
9704         PR 7091
9705         * target-reloc.h (Default_scan_relocatable_relocs): For each
9706         function, map r_type == 0 to RELOC_DISCARD.
9707
9708 2008-12-10  Cary Coutant  <ccoutant@google.com>
9709
9710         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9711         object to override a kept COMDAT group from a plugin object.
9712
9713 2008-12-09  Ian Lance Taylor  <iant@google.com>
9714
9715         PR 7088
9716         * yyscript.y (file_cmd): Handle INPUT.
9717
9718         * testsuite/initpri1.c: Change all declarations to be full
9719         prototypes by adding void, to avoid compiler warnings.
9720
9721 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9722
9723         * options.cc (General_options::parse_plugin_opt): New.
9724         (General_options::add_plugin): The argument now is just the filename.
9725         (General_options::add_plugin_option): New.
9726         * options.h (plugin_opt): New.
9727         (add_plugin): Change argument name.
9728         (add_plugin_option): New.
9729         * plugin.cc (Plugin::load): Don't parse the plugin option.
9730         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9731         (Plugin::add_option): New.
9732         (Plugin::args_): Change type.
9733         (Plugin::filename_): New.
9734         (Plugin_manager::add_plugin_option): New.
9735         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9736         * testsuite/Makefile.in: Regenerate.
9737
9738 2008-12-05  Cary Coutant  <ccoutant@google.com>
9739
9740         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9741         Handle --strip-lto-sections option.
9742         * options.h (strip_lto_sections): New option.
9743
9744 2008-12-01  Cary Coutant  <ccoutant@google.com>
9745
9746         * plugin.cc (ld_plugin_message): Change format parameter to const.
9747         Fix mismatch between new[] and delete.
9748
9749 2008-11-14  Cary Coutant  <ccoutant@google.com>
9750
9751         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9752         instead of -1U.
9753
9754 2008-11-05  Craig Silverstein  <csilvers@google.com>
9755
9756         * options.cc (General_options::parse_dynamic_list): New function.
9757         * options.h (General_options): New flags dynamic_list,
9758         dynamic_list_data, dynamic_list_cpp_new, and
9759         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9760         (General_options::in_dynamic_list): New function.
9761         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9762         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9763         (Lex::can_continue_name): Likewise.
9764         (yylex): Likewise.
9765         (read_script_file): New parameter script_options.
9766         (read_dynamic_list): New function.
9767         (Script_options::define_dynamic_list): New function.
9768         (dynamic_list_keyword_parsecodes): New variable.
9769         (dynamic_list_keywords): New variable.
9770         * script.h (Script_options::define_dynamic_list): New function
9771         prototype.
9772         (read_dynamic_list): New function prototype.
9773         * symtab.cc (strprefix): New macro.
9774         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9775         dynamic_list_data, dynamic_list_cpp_new, and
9776         dynamic_list_cpp_typeinfo.
9777         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9778         (dynamic_list_expr): New rule.
9779         (dynamic_list_nodes): Likewise.
9780         (dynamic_list_node): Likewise.
9781         * testsuite/Makefile.am (dynamic_list): New test.
9782         * testsuite/Makefile.in: Regenerated.
9783         * testsuite/dynamic_list.t: New file.
9784         * testsuite/dynamic_list.sh: New file.
9785
9786 2008-11-05  Craig Silverstein  <csilvers@google.com>
9787
9788         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9789         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9790         (t11_last): Likewise.
9791         * testsuite/ver_test_6.c (main): Likewise.
9792
9793 2008-10-07  Cary Coutant  <ccoutant@google.com>
9794
9795         * options.c (General_options::finalize): Add check for -static and
9796         -shared.
9797         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9798         is not empty.
9799
9800 2008-10-02  Cary Coutant  <ccoutant@google.com>
9801
9802         * plugin.cc (make_sized_plugin_object): Fix conditional
9803         compilation to work when not all targets are enabled.
9804
9805 2008-09-29  Cary Coutant  <ccoutant@google.com>
9806
9807         * archive.cc (Archive::get_file_and_offset): Use filename instead
9808         of name to get library path.
9809         (Archive::include_member): Unlock external member of a thin archive.
9810
9811         * testsuite/Makefile.am (TEST_AR): New variable.
9812         (thin_archive_test_1): New test.
9813         (thin_archive_test_2): New test.
9814         * testsuite/Makefile.in: Regenerate.
9815         * testsuite/thin_archive_main.cc: New file.
9816         * testsuite/thin_archive_test_1.cc: New file.
9817         * testsuite/thin_archive_test_2.cc: New file.
9818         * testsuite/thin_archive_test_3.cc: New file.
9819         * testsuite/thin_archive_test_4.cc: New file.
9820
9821 2008-09-29  Cary Coutant  <ccoutant@google.com>
9822
9823         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9824         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9825         instead of -1U.
9826         (Sized_relobj::do_finalize_local_symbols): Likewise.
9827         (Sized_relobj::map_to_kept_section): Likewise.
9828         * object.h (Sized_relobj::invalid_address): New constant.
9829         (Sized_relobj::do_output_section_offset): Check for invalid_address
9830         and return -1ULL.
9831         * output.cc (Output_reloc::local_section_offset): Use constant
9832         invalid_address instead of -1U.
9833         (Output_reloc::get_address): Likewise.
9834         (Output_section::output_address): Change -1U to -1ULL.
9835         * output.h (Output_reloc::invalid_address): New constant.
9836         * reloc.cc (Sized_relobj::write_sections): Use constant
9837         invalid_address instead of -1U.
9838         (Sized_relobj::relocate_sections): Likewise.
9839         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9840         values for merge sections.
9841         * target-reloc.h (relocate_for_relocatable): Use constant
9842         invalid_address instead of -1U.
9843
9844 2008-09-19  Cary Coutant  <ccoutant@google.com>
9845
9846         Add plugin functionality for link-time optimization (LTO).
9847         * configure.ac (plugins): Add --enable-plugins option.
9848         * configure: Regenerate.
9849         * config.in: Regenerate.
9850         * Makefile.am (LIBDL): New variable.
9851         (CCFILES): Add plugin.cc.
9852         (HFILES): Add plugin.h.
9853         (ldadd_var): Add LIBDL.
9854         * Makefile.in: Regenerate.
9855
9856         * archive.cc: Include "plugin.h".
9857         (Archive::setup): Don't preread archive symbols when using a plugin.
9858         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9859         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9860         files.
9861         (Archive::include_member): Add symbols from plugin objects.
9862         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9863         * descriptors.cc (Descriptors::open): Check for file descriptors
9864         abandoned by plugins.
9865         (Descriptors::claim_for_plugin): New function.
9866         * descriptors.h (Descriptors::claim_for_plugin): New function.
9867         (Open_descriptor::is_claimed): New field.
9868         (claim_descriptor_for_plugin): New function.
9869         * fileread.cc (File_read::claim_for_plugin): New function.
9870         * fileread.h (File_read::claim_for_plugin): New function.
9871         (File_read::descriptor): New function.
9872         * gold.cc: Include "plugin.h".
9873         (queue_initial_tasks): Add task to call plugin hooks for generating
9874         new object files.
9875         * main.cc: Include "plugin.h".
9876         (main): Load plugin libraries.
9877         * object.h (Pluginobj): Declare.
9878         (Object::pluginobj): New function.
9879         (Object::do_pluginobj): New function.
9880         (Object::set_target): New function.
9881         * options.cc: Include "plugin.h".
9882         (General_options::parse_plugin): New function.
9883         (General_options::General_options): Initialize plugins_ field.
9884         (General_options::add_plugin): New function.
9885         * options.h (Plugin_manager): Declare.
9886         (General_options): Add --plugin option.
9887         (General_options::has_plugins): New function.
9888         (General_options::plugins): New function.
9889         (General_options::add_plugin): New function.
9890         (General_options::plugins_): New field.
9891         * plugin.cc: New file.
9892         * plugin.h: New file.
9893         * readsyms.cc: Include "plugin.h".
9894         (Read_symbols::do_read_symbols): Check for archive before checking
9895         for ELF file.  Call plugin hooks to claim files.
9896         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9897         from a real object file; force override when processing replacement
9898         files.
9899         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9900         (Symbol::init_base_object): Likewise.
9901         (Symbol::init_base_output_data): Likewise.
9902         (Symbol::init_base_output_segment): Likewise.
9903         (Symbol::init_base_constant): Likewise.
9904         (Symbol::init_base_undefined): Likewise.
9905         (Symbol::output_section): Assert that object is not a plugin.
9906         (Symbol_table::add_from_pluginobj): New function.
9907         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9908         undefined.
9909         (Symbol_table::sized_write_globals): Likewise.
9910         (Symbol_table::add_from_pluginobj): Instantiate template.
9911         * symtab.h (Sized_pluginobj): Declare.
9912         (Symbol::in_real_elf): New function.
9913         (Symbol::set_in_real_elf): New function.
9914         (Symbol::in_real_elf_): New field.
9915         (Symbol_table::add_from_pluginobj): New function.
9916
9917         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9918         (LIBDL): New variable.
9919         (LDADD): Add LIBDL.
9920         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9921         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9922         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9923         (MOSTLYCLEANFILES): Likewise.
9924         * testsuite/Makefile.in: Regenerate.
9925         * testsuite/plugin_test.c: New file.
9926         * testsuite/plugin_test_1.sh: New file.
9927         * testsuite/plugin_test_2.sh: New file.
9928
9929 2008-09-16  Ian Lance Taylor  <iant@google.com>
9930
9931         * target-reloc.h (relocate_section): Check whether a symbol is
9932         defined by the ABI before reporting an undefined symbol error.
9933         * target.h (Target::is_defined_by_abi): Make parameter const.
9934         (Target::do_is_defined_by_abi): Likewise.
9935         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9936         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9937         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9938         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9939         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9940         * testsuite/Makefile.in: Rebuild.
9941
9942         * fileread.cc (make_view): Add casts to avoid warning.
9943
9944 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9945
9946         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9947         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9948
9949 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9950
9951         * options.h (General_options::output_is_executable): New.
9952         (General_options::output_is_pie): New.
9953         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9954         for shared libraries.
9955         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9956
9957 2008-09-11  Chris Demetriou  <cgd@google.com>
9958
9959         * options.h (origin): New -z option.
9960         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9961         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9962         in DT_FLAGS_1.
9963
9964 2008-09-05  Cary Coutant  <ccoutant@google.com>
9965
9966         * fileread.cc (File_read::make_view): Add check for attempt to map
9967         beyond end of file.
9968
9969 2008-09-05  Cary Coutant  <ccoutant@google.com>
9970
9971         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9972         explicit instantiations.
9973
9974 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9975
9976         PR gold/6858
9977         * options.cc (General_options::finalize): Allow undefined symbols
9978         in shlibs if linking -shared.
9979
9980         PR gold/6859
9981         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9982         symbols as not needing a dynsym entry.
9983
9984 2008-08-20  Craig Silverstein  <csilvers@google.com>
9985
9986         * fileread.cc (File_read::open): Do not lock the file unless it
9987         was successfully opened.
9988
9989 2008-08-14  Cary Coutant  <ccoutant@google.com>
9990
9991         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9992         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9993         * testsuite/tls_test.cc (struct int128): 128-bit struct
9994         for testing TLS relocs with non-zero addend.
9995         (v12): New TLS variable.
9996         (t12): New test.
9997         (t_last): Add check for v12.
9998         * testsuite/tls_test.h (t12): New function.
9999         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10000
10001 2008-08-13  Ian Lance Taylor  <iant@google.com>
10002
10003         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10004         set tls_segment_ or relro_segment_.
10005         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10006         when appropriate.
10007         * output.h (Output_section::clear_is_relro): New function.
10008         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10009         sections specially even when output_data_ is empty.
10010         (Output_segment::maximum_alignment): When first section is relro,
10011         only force alignment for PT_LOAD segments.
10012         * script.cc (script_data_segment_align): New function.
10013         (script_data_segment_relro_end): New function.
10014         * script-c.h (script_data_segment_align): Declare.
10015         (script_data_segment_relro_end): Declare.
10016         * script-sections.h (class Script_sections): Declare
10017         data_segment_align and data_segment_relro_end.  Add fields
10018         segment_align_index_ and saw_relro_end_.
10019         * script-sections.cc (class Sections_element): Add set_is_relro
10020         virtual function.  Add new bool* parameter to place_orphan_here.
10021         Add get_output_section virtual function.
10022         (class Output_section_definition): Add set_is_relro.  Add new
10023         bool* parameter to place_orphan_here.  Add get_output_section.
10024         Add is_relro_ field.
10025         (Output_section_definition::Output_section_definition): Initialize
10026         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10027         and is_relro_ fields.
10028         (Output_section_definition::place_orphan_here): Add is_relro
10029         parameter.
10030         (Output_section_definition::set_section_addresses): Set relro for
10031         output section.
10032         (Output_section_definition::alternate_constraint): Likewise.
10033         (class Orphan_output_section): Add new bool* parameter to
10034         place_orphan_here.  Add get_output_section.
10035         (Orphan_output_section::place_orphan_here): Add is_relro
10036         parameter.
10037         (Script_sections::Script_sections): Initialize
10038         data_segment_align_index_ and saw_relro_end_.
10039         (Script_sections::data_segment_align): New function.
10040         (Script_sections::data_segment_relro_end): New function.
10041         (Script_sections::place_orphan): Set or clear is_relro.
10042         (Script_sections::set_section_addresses): Force alignment of first
10043         TLS section.
10044         * yyscript.y (exp): Call script_data_segment_align and
10045         script_data_segment_relro_end.
10046         * testsuite/relro_script_test.t: New file.
10047         * testsuite/relro_test.cc (using_script): Declare.
10048         (t1, t2): Test using_script.
10049         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10050         (relro_script_test_SOURCES): Define.
10051         (relro_script_test_DEPENDENCIES): Define.
10052         (relro_script_test_LDFLAGS): Define.
10053         (relro_script_test_LDADD): Define.
10054         (relro_script_test.so): New target.
10055         * testsuite/Makefile.in: Rebuild.
10056
10057 2008-08-06  Cary Coutant <ccoutant@google.com>
10058
10059         * archive.cc (Archive::total_archives, Archive::total_members)
10060         (Archive::total_members_loaded): New variables.
10061         (Archive::setup): Add parameter.  Add option to preread
10062         archive symbols.
10063         (Archive::read_armap): Add counter.
10064         (Archive::get_file_and_offset): New function.
10065         (Archive::get_elf_object_for_member): New function.
10066         (Archive::read_all_symbols): New function.
10067         (Archive::read_symbols): New function.
10068         (Archive::add_symbols): Add counters.
10069         (Archive::include_all_members): Use armap to find members if it's
10070         already built.
10071         (Archive::include_member): Skip reading symbols if already read.
10072         Factored code into Archive::get_file_and_offset and
10073         Archive::get_elf_object_for_member.  Changed call to
10074         Mapfile::report_include_archive_member.
10075         (Archive::print_stats): New function.
10076         * archive.h: Declare Object and Read_symbols_data classes.
10077         (Archive::Archive): Add initializers for new members.
10078         (Archive::setup): Add parameter.
10079         (Archive::print_stats): New function.
10080         (Archive::total_archives, Archive::total_members)
10081         (Archive::total_members_loaded): New variables.
10082         (Archive::get_file_and_offset): New function.
10083         (Archive::get_elf_object_for_member): New function.
10084         (Archive::read_all_symbols): New function.
10085         (Archive::read_symbols): New function.
10086         (Archive::Archive_member): New class.
10087         (Archive::members_): New member.
10088         (Archive::num_members_): New member.
10089         * main.cc: Include archive.h.
10090         (main): Call Archive::print_stats.
10091         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10092         archive parameter; member_name is now the fully-decorated name.
10093         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10094         * options.h: (General_options): Add --preread-archive-symbols option.
10095         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10096         Archive::setup.
10097
10098 2008-08-04  Ian Lance Taylor  <iant@google.com>
10099
10100         * symtab.h (Symbol::use_plt_offset): New function.
10101         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10102         * powerpc.cc (Relocate::relocate): Likewise.
10103         * sparc.cc (Relocate::relocate): Likewise.
10104         * x86_64.cc (Relocate::relocate): Likewise.
10105         * testsuite/weak_plt.sh: New test.
10106         * testsuite/weak_plt_main.cc: New test.
10107         * testsuite/weak_plt_shared.cc: New test.
10108         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10109         (check_PROGRAMS): Add weak_plt.
10110         (check_DATA): Add weak_plt_shared.so.
10111         (weak_plt_main_pic.o, weak_plt): New targets.
10112         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10113         * testsuite/Makefile.in: Rebuild.
10114
10115         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10116         gcctestdir/ld.
10117         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10118         * testsuite/Makefile.in: Rebuild.
10119
10120 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10121
10122         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10123         * Makefile.in: Regenerate.
10124         * po/POTFILES.in: Regenerate.
10125
10126 2008-07-29  Ian Lance Taylor  <iant@google.com>
10127
10128         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10129         symbols before other symbols.
10130         * testsuite/script_test_2.cc (test_addr): Declare.
10131         (test_addr_alias): Declare.
10132         (main): Check that test_addr and test_addr_alias have the right
10133         values.
10134         * testsuite/script_test_2.t: Define test_addr_alias and
10135         test_addr.
10136
10137 2008-07-24  Ian Lance Taylor  <iant@google.com>
10138
10139         PR 5990
10140         * descriptors.cc: New file.
10141         * descriptors.h: New file.
10142         * gold-threads.h (class Hold_optional_lock): New class.
10143         * fileread.cc: Include "descriptors.h".
10144         (File_read::~File_read): Release descriptor rather than closing
10145         it.
10146         (File_read::open) [file]: Call open_descriptor rather than open.
10147         Set is_descriptor_opened_.
10148         (File_read::open) [memory]: Assert that descriptor is not open.
10149         (File_read::reopen_descriptor): New function.
10150         (File_read::release): Release descriptor.
10151         (File_read::do_read): Make non-const.  Reopen descriptor.
10152         (File_read::read): Make non-const.
10153         (File_read::make_view): Reopen descriptor.
10154         (File_read::do_readv): Likewise.
10155         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10156         Update declarations.
10157         * layout.cc: Include "descriptors.h".
10158         (Layout::create_build_id): Use open_descriptor rather than open.
10159         * output.cc: Include "descriptors.h".
10160         (Output_file::open): Use open_descriptor rather than open.
10161         * archive.cc (Archive::const_iterator): Change Archive to be
10162         non-const.
10163         (Archive::begin, Archive::end): Make non-const.
10164         (Archive::count_members): Likewise.
10165         * archive.h (class Archive): Update declarations.
10166         * object.h (Object::read): Make non-const.
10167         * Makefile.am (CCFILES): Add descriptors.cc.
10168         (HFILES): Add descriptors.h.
10169         * Makefile.in: Rebuild.
10170
10171         PR 6716
10172         * gold.h: Always include <clocale>.  Add Solaris workarounds
10173         following code in binutils/sysdep.h.
10174
10175         PR 6048
10176         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10177         this->eh_frame_hdr_ is NULL before using it.
10178
10179         * dynobj.cc (Versions::Versions): Update comment.
10180
10181         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10182         the base version name.
10183
10184         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10185         array size plus one.
10186         (Stringpool_template::set_string_offsets): Subtract one from key
10187         before using it as an array index.
10188         (Stringpool_template::get_offset_with_length): Likewise.
10189         (Stringpool_template::write_to_buffer): Likewise.
10190         * stringpool.h (Stringpool_template::get_offset_from_key):
10191         Likewise.
10192
10193 2008-07-23  Ian Lance Taylor  <iant@google.com>
10194
10195         PR 6658
10196         * object.h (Merged_symbol_value::value): Do our best to handle a
10197         negative addend.
10198
10199         PR 6647
10200         * script.cc (Version_script_info::get_versions): Don't add empty
10201         version tag to return value.
10202         (Version_script_info::get_symbol_version_helper): Change return
10203         type to bool.  Add pversion parameter.  Change all callers.
10204         (script_register_vers_node): Don't require a non-NULL tag.
10205         * script.h (class Version_script_info): Update declarations.
10206         (Version_script_info::get_symbol_version): Change return type to
10207         bool.  Add version parameter.  Change all callers.
10208         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10209         handling.  Handle an empty version from a version script.
10210         (Symbol_table::define_special_symbol): Likewise.
10211         * testsuite/ver_test_10.script: New file.
10212         * testsuite/ver_test_10.sh: New file.
10213         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10214         (check_DATA): Add ver_test_10.syms.
10215         (ver_test_10.syms, ver_test_10.so): New target.
10216         * testsuite/Makefile.in: Rebuild.
10217
10218 2008-07-23  Simon Baldwin  <simonb@google.com>
10219
10220         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10221         to zero for undefined symbols from dynamic libraries.
10222
10223 2008-07-23  Ian Lance Taylor  <iant@google.com>
10224
10225         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10226         Change all callers.
10227         * symtab.h (class Symbol_table): Update declaration.
10228         * testsuite/ver_test_9.cc: New file.
10229         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10230         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10231         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10232         (ver_test_9.so, ver_test_9.o): New targets.
10233         * testsuite/Makefile.in: Rebuild.
10234
10235 2008-07-22  Ian Lance Taylor  <iant@google.com>
10236
10237         * options.h (class General_options): Define --check-sections.
10238         * layout.cc (Layout::set_segment_offsets): Handle
10239         --check-sections.
10240
10241         * options.h (class General_options): Define -n/--nmagic and
10242         -N/--omagic.
10243         * options.cc (General_options::finalize): For -n/--nmagic or
10244         -N/--omagic, set -static.
10245         * layout.cc (Layout::attach_allocated_section_to_segment): If
10246         -N/--omagic, don't put read-only and read-write sections in
10247         different segments.
10248         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10249         finding a read-only segment.
10250         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10251         don't set the minimum segment alignment to the common page size,
10252         and don't set the file offset to the address modulo the page size.
10253         * script-sections.cc (Script_sections::create_segments): If
10254         -n/--omagic, don't put read-only and read-write sections in
10255         different segments.
10256
10257         * cref.cc: New file.
10258         * cref.h: New file.
10259         * options.h (class General_options): Add --print-symbol-counts.
10260         * main.cc (main): Issue defined symbol report if requested.
10261         * archive.cc (Archive::interpret_header): Make into a const member
10262         function.
10263         (Archive::add_symbols): Call Input_objects::archive_start and
10264         archive_stop.
10265         (Archive::const_iterator): Define new class.
10266         (Archive::begin, Archive::end): New functions.
10267         (Archive::include_all_members): Rewrite to use iterator.
10268         (Archive::count_members): New function.
10269         * archive.h (class Archive): Update declarations.
10270         (Archive::filename): New function.
10271         * object.cc: Include "cref.h".
10272         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10273         (Sized_relobj::do_get_global_symbol_counts): New function.
10274         (Input_objects::add_object): Add object to cross-referencer.
10275         (Input_objects::archive_start): New function.
10276         (Input_objects::archive_stop): New function.
10277         (Input_objects::print_symbol_counts): New function.
10278         * object.h: Declare Cref and Archive.
10279         (Object::get_global_symbol_counts): New function.
10280         (Object::do_get_global_symbol_counts): New pure virtual function.
10281         (class Sized_relobj): Add defined_count_ field.  Update
10282         declarations.
10283         (class Input_objects): Add cref_ field.  Update constructor.
10284         Update declarations.
10285         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10286         defined_count_.
10287         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10288         symbol counts.
10289         (Sized_dynobj::do_get_global_symbol_counts): New function.
10290         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10291         defined_count_.  Update declarations.  Define Symbols typedef.
10292         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10293         parameter.  Change all callers.
10294         (Symbol_table::add_from_dynobj): Add sympointers and defined
10295         parameters.  Change all callers.
10296         * symtab.h (class Symbol_table): Update declarations.
10297         * Makefile.am (CCFILES): Add cref.cc.
10298         (HFILES): Add cref.h.
10299         * Makefile.in: Rebuild.
10300
10301 2008-07-22  Simon Baldwin  <simonb@google.com>
10302
10303         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10304         to zero when writing undefined symbols.
10305
10306 2008-07-22  Ian Lance Taylor  <iant@google.com>
10307
10308         * output.cc (Output_section::add_input_section): Don't try to
10309         merge empty merge sections.
10310
10311 2008-07-21  Craig Silverstein  <csilvers@google.com>
10312
10313         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10314         Include symbol version in error message.
10315
10316 2008-07-20  Chris Demetriou  <cgd@google.com>
10317
10318         * configure.ac (gold_cv_c_random_seed): New configured variable.
10319         (RANDOM_SEED_CFLAGS): New substituted variable.
10320         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10321         * configure: Rebuild.
10322         * Makefile.in: Likewise.
10323         * testsuite/Makefile.in: Likewise.
10324
10325 2008-07-18  Ian Lance Taylor  <iant@google.com>
10326
10327         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10328         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10329         * testsuite/ver_test_main.cc (main): Call t4.
10330         (t4, t4_2a): Define.
10331         * testsuite/ver_test_2.cc (t4_2): Define.
10332         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10333         * testsuite/ver_test_4.cc (t4_2a): Define.
10334         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10335         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10336
10337 2008-07-17  Ian Lance Taylor  <iant@google.com>
10338
10339         * dynobj.cc (Versions::add_def): If we give an error about a
10340         missing version, go ahead and create the version anyhow.
10341
10342 2008-07-10  Ian Lance Taylor  <iant@google.com>
10343
10344         Handle output sections with more than 0x7fffffff bytes.
10345         * object.h (class Relobj): Change map_to_output_ to
10346         output_sections_, and just keep a section pointer.  Change all
10347         uses.  Move comdat group support to Sized_relobj.
10348         (Relobj::is_section_specially_mapped): Remove.
10349         (Relobj::output_section): Remove poff parameter.  Change all
10350         callers.
10351         (Relobj::output_section_offset): New function.
10352         (Relobj::set_section_offset): Rewrite.
10353         (Relobj::map_to_output): Remove.
10354         (Relobj::output_sections): New function.
10355         (Relobj::do_output_section_offset): New pure virtual function.
10356         (Relobj::do_set_section_offset): Likewise.
10357         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10358         group support from Relobj.  Update declarations.
10359         (Sized_relobj::get_output_section_offset): New function.
10360         (Sized_relobj::do_output_section_offset): New function.
10361         (Sized_relobj::do_set_section_offset): New function.
10362         * object.cc (Relobj::output_section_address): Remove.
10363         (Sized_relobj::Sized_relobj): Initialize new fields.
10364         (Sized_relobj::include_section_group): Cast find_kept_object to
10365         Sized_relobj.
10366         (Sized_relobj::include_linkonce_section): Likewise.
10367         (Sized_relobj::do_layout): Use separate arrays for output section
10368         and output offset.
10369         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10370         output_sections.
10371         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10372         output_sections and section_offsets.
10373         (Sized_relobj::write_local_symbols): Likewise.
10374         (map_to_kept_section): Compute output address directly.
10375         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10376         output_sections and section_offsets.
10377         (Sized_relobj::write_sections): Likewise.
10378         (Sized_relobj::relocate_sections): Likewise.
10379         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10380         * output.h (class Output_reloc): Update declarations.  Change
10381         u2_.relobj to Sized_relobj*.
10382         (class Output_data_reloc): Change add functions to use
10383         Sized_relobj*.
10384         * output.cc (Output_reloc::Output_reloc): Change relobj to
10385         Sized_relobj*.
10386         (Output_reloc::local_section_offset): Change return type to
10387         Elf_Addr.  Use get_output_section_offset.
10388         (Output_reloc::get_address): Likewise.
10389         (Output_section::is_input_address_mapped): Don't call
10390         is_section_specially_mapped.
10391         (Output_section::output_offset): Likewise.
10392         (Output_section::output_address): Likewise.
10393         (Output_section::starting_output_address): Likewise.
10394         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10395         parameter to Sized_relobj*.
10396         (Copy_relocs::need_copy_reloc): Likewise.
10397         (Copy_relocs::save): Likewise.
10398         * copy-relocs.h (class Copy_relocs): Update declarations.
10399         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10400         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10401         * target-reloc.h (relocate_for_relocatable): Change
10402         offset_in_output_section type to Elf_Addr.  Change code that uses
10403         it as well.
10404         * layout.cc (Layout::layout): Always set *off.
10405         * mapfile.cc (Mapfile::print_input_section): Use
10406         output_section_offset.
10407         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10408         Sized_relobj*.
10409         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10410         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10411         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10412
10413 2008-07-03  Ian Lance Taylor  <iant@google.com>
10414
10415         * layout.cc (Layout::include_section): Do not discard unrecognized
10416         SHT_STRTAB sections.
10417
10418 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10419
10420         * script.cc (Lex::can_continue_name): Make '?' allowable in
10421         version-script names.
10422         * testsuite/version_script.map: Change glob pattern to use '?'
10423
10424 2008-06-30  Manish Singh  <yosh@gimp.org>
10425
10426         PR 6585
10427         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10428         Correct typo.
10429
10430 2008-06-30  Ian Lance Taylor  <iant@google.com>
10431
10432         PR 6660
10433         PR 6682
10434         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10435         versions]: Don't try to read the value in the contents, since we
10436         don't use it.  Use the template endianness when writing.
10437
10438 2008-06-25  Cary Coutant  <ccoutant@google.com>
10439
10440         * fileread.cc (File_read::make_view): Assert on zero-length view.
10441         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10442         symbol table when there are no symbols to read.
10443
10444 2008-06-23  Craig Silverstein  <csilvers@google.com>
10445
10446         * version.cc (version_string): Bump to 1.7
10447
10448 2008-06-18  Craig Silverstein  <csilvers@google.com>
10449
10450         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10451         constant 0xFFFF to type Valtype.
10452         (Powerpc_relocate_functions::rel16_ha): Likewise.
10453
10454 2008-06-17  Ian Lance Taylor  <iant@google.com>
10455
10456         * output.h (Output_section::Input_section): Initialize p2align_ to
10457         zero for Output_section_data constructors.
10458         (Output_section::Input_section::addralign): If not an input
10459         section, return the alignment of the Output_section_data.
10460         * testsuite/copy_test.cc: New file.
10461         * testsuite/copy_test_1.cc: New file.
10462         * testsuite/copy_test_2.cc: New file.
10463         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10464         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10465         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10466         (copy_test_1_pic.o, copy_test_1.so): New targets.
10467         (copy_test_2_pic.o, copy_test_2.so): New targets.
10468         * testsuite/Makefile.in: Rebuild.
10469
10470         * script-sections.cc (Script_sections::place_orphan): Initialize
10471         local variable exact.
10472
10473 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10474
10475         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10476
10477 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10478             David S. Miller  <davem@davemloft.net>
10479
10480         * powerpc.cc: New file.
10481         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10482         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10483         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10484         * Makefile.in: Rebuild.
10485
10486 2008-06-09  Ian Lance Taylor  <iant@google.com>
10487
10488         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10489         <exception>.
10490         (throwing, orig_terminate): New static variables.
10491         (terminate_handler): New static function.
10492         (t2): Set terminate handler.
10493
10494 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10495
10496         PR 6584
10497         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10498         alignment.
10499
10500 2008-05-30  Cary Coutant  <ccoutant@google.com>
10501
10502         * archive.cc (Archive::include_all_members) Correct to step
10503         over symbol table and extended name table in thin archives.
10504
10505 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10506
10507         PR 6407
10508         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10509         calculation.
10510
10511 2008-05-28  Caleb Howe  <cshowe@google.com>
10512
10513         * reduced_debug_output.cc: New file.
10514         * reduced_debug_output.h: New file.
10515         * options.h (class General_options): Add --strip-debug-non-line.
10516         * options.cc (General_options::finalize): Add strip_debug_non_line
10517         to the strip heirarchy.
10518         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10519         fields.
10520         * layout.cc: Include "reduced_debug_output.h".
10521         (Layout::Layout): Initialize new fields.
10522         (line_only_debug_sections): New static array.
10523         (is_lines_only_debug_sections): New static inline function.
10524         (Layout::include_section): Handle --strip-debug-non-line.
10525         (Layout::make_output_section): If --strip-debug-non-line, build
10526         new output sections for .debug_abbrev and .debug_info.
10527         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10528         gold.  Warn about possible overflow.
10529         (read_signed_LEB_128): Likewise.
10530         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10531         (read_signed_LEB_128): Declare.
10532         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10533         (HFILES): Add reduced_debug_output.h.
10534         * Makefile.in: Rebuild.
10535
10536 2008-05-21  Ian Lance Taylor  <iant@google.com>
10537
10538         * mapfile.cc: New file.
10539         * mapfile.h: New file.
10540         * options.h (class General_options): Add -M/--print-map and -Map.
10541         * options.cc (General_options::finalize): Make -M equivalent to
10542         -Map -.
10543         * main.cc: Include <cstdio> and "mapfile.h".
10544         (main): Open mapfile if requested.
10545         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10546         constructor.  Change caller.
10547         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10548         (queue_middle_tasks): Likewise.
10549         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10550         declarations.
10551         * archive.cc: Include "mapfile.h".
10552         (Archive::add_symbols): Add mapfile parameter.  Change all
10553         callers.  Pass mapfile, symbol, and reason to include_member.
10554         (Archive::include_all_members): Add mapfile parameter.  Change all
10555         callers.
10556         (Archive::include_member): Add mapfile, sym, and why parameters.
10557         Change all callers.  Report inclusion to map file.
10558         * archive.h: Include "fileread.h".
10559         (class Archive): Update declarations.
10560         (Archive::file): New const method.
10561         (class Add_archive_symbols): Add mapfile_ field.  Update
10562         constructor.  Change all callers.
10563         * readsyms.h (class Read_symbols): Likewise.
10564         (class Finish_group): Likewise.
10565         (class Read_script): Likewise.
10566         * common.cc: Include "mapfile.h".
10567         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10568         all callers.
10569         (Symbol_table::do_allocate_commons): Likewise.
10570         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10571         symbol allocation to mapfile.
10572         * common.h (class Allocate_commons_task): Add mapfile_ field.
10573         Update constructor.  Change all callers.
10574         * symtab.h (class Symbol_table): Update declarations.
10575         * layout.cc: Include "mapfile.h".
10576         (Layout_task_runner::run): Print information to mapfile.
10577         (Layout::create_gold_note): Change Output_data_fixed_space to
10578         Output_data_zero_fill.
10579         (Layout::create_build_id): Likewise.
10580         (Layout::print_to_mapfile): New function.
10581         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10582         constructor.  Change caller.
10583         (class Layout): Declare print_to_mapfile.
10584         * output.cc (Output_section::Input_section::print_to_mapfile): New
10585         function.
10586         (Output_section::add_input_section): If producing a map, always
10587         add to input_sections_ list.
10588         (Output_section::do_print_to_mapfile): New function.
10589         (Output_segment::print_sections_to_mapfile): New function.
10590         (Output_segment::print_section_list_to_mapfile): New function.
10591         * output.h: Include "mapfile.h".
10592         (Output_data::print_to_mapfile): New function.
10593         (Output_data::do_print_to_mapfile): New virtual function.
10594         (Output_segment_headers::do_print_to_mapfile): New function.
10595         (Output_file_header::do_print_to_mapfile): New function.
10596         (Output_data_const::do_print_to_mapfile): New function.
10597         (class Output_data_const_buffer): Add map_name_ field.  Update
10598         constructor.  Change all callers.  Add do_print_to_mapfile
10599         function.
10600         (class Output_data_fixed_space): Likewise.
10601         (class Output_data_space): Likewise.
10602         (class Output_data_zero_fill): New class.
10603         (Output_data_strtab::do_print_to_mapfile): New function.
10604         (Output_data_reloc_base::do_print_to_mapfile): New function.
10605         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10606         (Output_data_group::do_print_to_mapfile): New function.
10607         (Output_data_got::do_print_to_mapfile): New function.
10608         (Output_data_dynamic::do_print_to_mapfile): New function.
10609         (Output_symtab_xindex::do_print_to_mapfile): New function.
10610         (class Output_section): Declare do_print_to_mapflie.  Declare
10611         print_to_mapfile in Input_section.
10612         (class Output_segment): Declare new functions.
10613         * object.h (Sized_relobj::symbol_count): New function.
10614         * script-sections.cc
10615         (Output_section_element_dot_assignment::set_section_addresses):
10616         Change Output_data_fixed_space to Output_data_zero_fill.
10617         (Output_data_expression::do_print_to_mapfile): New function.
10618         * script.cc (read_input_script): Add mapfile parameter.  Change
10619         all callers.
10620         * script.h (read_input_script): Update declaration.
10621         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10622         (Eh_frame::do_print_to_mapfile): New function.
10623         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10624         (Output_merge_string::do_print_to_mapfile): New function.
10625         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10626         function.
10627         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10628         function.
10629         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10630         function.
10631         * Makefile.am (CCFILES): Add mapfile.cc.
10632         (HFILES): Add mapfile.h.
10633         * Makefile.in: Rebuild.
10634
10635 2008-05-19  Ian Lance Taylor  <iant@google.com>
10636
10637         * options.h (class General_options): Add -z relro.
10638         * layout.cc (Layout::Layout): Initialize relro_segment_.
10639         (Layout::add_output_section_data): Return the output section.
10640         (Layout::make_output_section): Rcognize relro sections and mark
10641         them appropriately.
10642         (Layout::attach_allocated_section_to_segment): Put relro sections
10643         in a PT_GNU_RELRO segment.
10644         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10645         section as relro.
10646         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10647         PT_TLS segments.
10648         (Layout::linkonce_mapping): Map d.rel.ro.local to
10649         .data.rel.ro.local.
10650         (Layout::output_section_name): Us .data.rel.ro.local for any
10651         section which begins with that.
10652         * layout.h (class Layout): Update add_output_section_data
10653         declaration.  Add relro_segment_ field.
10654         * output.cc (Output_section::Output_section): Initialize is_relro_
10655         and is_relro_local_ fields.
10656         (Output_segment::add_output_section): Group relro sections.
10657         (Output_segment::is_first_section_relro): New function.
10658         (Output_segment::maximum_alignment): If there is a relro section,
10659         align the segment to the common page size.
10660         (Output_segment::set_section_addresses): Track whether we are
10661         looking at relro sections.  If the last section is a relro
10662         section, align to the common page size.
10663         (Output_segment::set_section_list_addresses): Add in_relro
10664         parameter.  Change all callers.  Align to the page size when
10665         moving from relro to non-relro section.
10666         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10667         segment.
10668         * output.h (class Output_section): Add is_relro_ and
10669         is_relro_local_ fields.
10670         (Output_section::is_relro): New function.
10671         (Output_section::set_is_relro): New function.
10672         (Output_section::is_relro_local): New function.
10673         (Output_section::set_is_relro_local): New function.
10674         (class Output_segment): Update declarations.
10675         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10676         * sparc.cc (Target_sparc::got_section): Likewise.
10677         * x86_64.cc (Target_x86_64::got_section): Likewise.
10678         * testsuite/relro_test_main.cc: New file.
10679         * testsuite/relro_test.cc: New file.
10680         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10681         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10682         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10683         (relro_test.so, relro_test_pic.o): New targets.
10684         * testsuite/Makefile.in: Rebuild.
10685
10686 2008-05-16  Ian Lance Taylor  <iant@google.com>
10687
10688         * output.cc (Output_segment::add_output_section): Remove front
10689         parameter.
10690         * output.h (class Output_segment): Remove
10691         add_initial_output_section and overloaded add_output_section.
10692         Update declaration of remaining add_output_section.
10693         * layout.cc (Layout::create_interp): Call add_output_section
10694         rather than add_initial_output_section.
10695         (Layout::finish_dynamic_section): Likewise.
10696
10697         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10698         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10699         know the dynamic type.
10700         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10701         field.  Initialize it in constructor.
10702         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10703         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10704         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10705         reloc.
10706
10707         * output.cc (Output_reloc::get_address): Change return type to
10708         Elf_Addr.
10709         * output.h (class Output_reloc): Update get_address declaration.
10710         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10711         for section addresses.
10712
10713 2008-05-09  Ian Lance Taylor  <iant@google.com>
10714
10715         PR 6493
10716         * gold.cc (gold_nomem): Use return value of write.
10717
10718 2008-05-08  Ian Lance Taylor  <iant@google.com>
10719
10720         * symtab.c (Symbol::init_base_output_data): Add version
10721         parameter.  Change all callers.
10722         (Symbol::init_base_output_segment): Likewise.
10723         (Symbol::init_base_constant): Likewise.
10724         (Symbol::init_base_undefined): Likewise.
10725         (Sized_symbol::init_output_data): Likewise.
10726         (Sized_symbol::init_output_segment): Likewise.
10727         (Sized_symbol::init_constant): Likewise.
10728         (Sized_symbol::init_undefined): Likewise.
10729         (Symbol_table::do_define_in_output_data): If the new symbol has a
10730         version, mark it as the default.
10731         (Symbol_table::do_define_in_output_segment): Likewise.
10732         (Symbol_table::do_define_as_constant): Likewise.
10733         * symtab.h (class Symbol): Update declarations.
10734         (class Sized_symbol): Likewise.
10735         * resolve.cc (Symbol::override_version): New function.
10736         (Symbol::override_base): Call override_version.
10737         (Symbol::override_base_with_special): Likewise.
10738         * testsuite/ver_script_8.script: New file.
10739         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10740         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10741         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10742         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10743
10744 2008-05-06  Ian Lance Taylor  <iant@google.com>
10745
10746         PR 6049
10747         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10748         functions.
10749         (class General_options): Remove existing --undefined, and add
10750         --no-undefined instead.  Add new --undefined as synonym for -u.
10751         * archive.cc (Archive::add_symbols): Check whether symbol was
10752         named with -u.
10753         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10754         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10755         all uses.  Add IS_UNDEFINED.  Update declarations to split
10756         different versions of init_base.  Declare init_base_undefined.
10757         (Symbol::is_defined): Handle IS_UNDEFINED.
10758         (Symbol::is_undefined): Likewise.
10759         (Symbol::is_weak_undefined): Call is_undefined.
10760         (Symbol::is_absolute): Handle IS_CONSTANT.
10761         (class Sized_symbol): Update declarations to split different
10762         versions of init.  Declare init_undefined.
10763         (class Symbol_table): Declare new functions.
10764         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10765         Change all callers.
10766         (Symbol::init_base_output_data): Likewise.
10767         (Symbol::init_base_output_segment): Likewise.
10768         (Symbol::init_base_constant): Likewise.
10769         (Symbol::init_base_undefined): New function.
10770         (Sized_symbol::init_object): Rename from init.  Change all
10771         callers.
10772         (Sized_symbol::init_output_data): Likewise.
10773         (Sized_symbol::init_output_segment): Likewise.
10774         (Sized_symbol::init_constant): Likewise.
10775         (Sized_symbol::init_undefined): New function.
10776         (Symbol_table::add_undefined_symbols_from_command_line): New
10777         function.
10778         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10779         function.
10780         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10781         (Symbol::output_section): Likewise.
10782         (Symbol::set_output_section): Likewise.
10783         (Symbol_table::sized_finalize_symbol): Likewise.
10784         (Symbol_table::sized_write_globals): Likewise.
10785         * resolve.cc (Symbol_table::should_override): Likewise.
10786         (Symbol::override_base_with_special): Likewise.
10787
10788         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10789         symbol, change it to have default visibility.
10790         * testsuite/protected_1.cc: New file.
10791         * testsuite/protected_2.cc: New file.
10792         * testsuite/protected_3.cc: New file.
10793         * testsuite/protected_main_1.cc: New file.
10794         * testsuite/protected_main_2.cc: New file.
10795         * testsuite/protected_main_3.cc: New file.
10796         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10797         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10798         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10799         (protected_1.so): New target.
10800         (protected_1_pic.o, protected_2_pic.o): New targets.
10801         (protected_3_pic.o): New target.
10802         (check_PROGRAMS): Add protected_2.
10803         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10804         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10805         * testsuite/Makefile.in: Rebuild.
10806
10807         * options.h (DEFINE_var): Add set_user_set_##varname__.
10808         (DEFINE_bool_alias): New macro.
10809         (class General_options): Define -Bstatic using DEFINE_bool_alias
10810         rather than DEFINE_special.  Add --undefined as an alias for -z
10811         defs.
10812         * options.cc (General_options::parse_Bstatic): Remove.
10813
10814         * options.h (class General_options): Add --fatal-warnings.
10815         * main.cc (main): Implement --fatal-warnings.
10816         * errors.h (Errors::warning_count): New function.
10817
10818         * options.h (class General_options): Add -Bsymbolic-functions.
10819         * symtab.h (Symbol::is_preemptible): Check for
10820         -Bsymbolic-functions.
10821
10822 2008-05-05  Ian Lance Taylor  <iant@google.com>
10823
10824         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10825         as noVARNAME rather than no-VARNAME.
10826         (class General_options): Add option -z combreloc.
10827         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10828         get_address.
10829         (Output_reloc::sort_before) [SHT_REL]: New function.
10830         (Output_reloc::sort_before) [SHT_RELA]: New function.
10831         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10832         Sort_relocs_comparison.
10833         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10834         parameter.  Change all callers.
10835         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10836         sort_relocs parameter.  Change all callers.
10837         * output.cc (Output_reloc::get_address): New function, broken out
10838         of write_rel.
10839         (Output_reloc::write_rel): Call it.
10840         (Output_reloc::compare): New function.
10841         (Output_data_reloc_base::do_write): Optionally sort relocs.
10842
10843         * configure.ac: If targ_extra_obj is set, link it in.
10844         * configure.tgt: Initialize all variables.
10845         (x86_64*): Set targ_extra_obj and targ_extra_size.
10846         * configure: Rebuild.
10847
10848         * object.cc (Sized_relobj::include_section_group): Adjust section
10849         indexes read from group data.  Build vector to pass to
10850         layout_group.
10851         * layout.cc (Layout::layout_group): Add flags and shndxes
10852         parameters.  Remove contents parameter.  Change caller.  Update
10853         explicit instantiations.
10854         * layout.h (class Layout): Update layout_group declaration.
10855         * output.cc (Output_data_group::Output_data_group): Add flags and
10856         input_shndxes parameters.  Remove contents parameter.  Change
10857         caller.
10858         (Output_data_group::do_write): Change input_sections_ to
10859         input_shndxes_.
10860         * output.h (class Output_data_group): Update constructor
10861         declaration.  Rename input_sections_ to input_shndxes_.
10862         * testsuite/many_sections_test.cc: Add template.
10863
10864 2008-04-30  Cary Coutant  <ccoutant@google.com>
10865
10866         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10867
10868         * layout.cc (Layout::include_section): Refactored check for debug
10869         info section.
10870         (Layout::add_comdat): Add new parameters.  Change type
10871         of signature parameter.  Add object and shndx to signatures table.
10872         (Layout::find_kept_object): New function.
10873         * layout.h: Include <cstring>.
10874         (Layout::is_debug_info_section): New function.
10875         (Layout::add_comdat): Add new parameters.
10876         (Layout::find_kept_object): New function.
10877         (Layout::Kept_section): New struct.
10878         (Layout::Signatures): Change type of map range.
10879         * object.cc (Relobj::output_section_address): New function.
10880         (Sized_relobj::include_section_group): Add new parameters.  Change
10881         calls to Layout::add_comdat.  Change to build table of kept comdat
10882         groups and table mapping discarded sections to kept sections.
10883         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10884         (Sized_relobj::do_layout): Change calls to include_section_group and
10885         include_linkonce_section.
10886         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10887         value to zero when section is discarded.
10888         (Sized_relobj::map_to_kept_section): New function.
10889         * object.h (Relobj::output_section_address): New function.
10890         (Relobj::Comdat_group): New type.
10891         (Relobj::find_comdat_group): New function.
10892         (Relobj::Comdat_group_table): New type.
10893         (Relobj::Kept_comdat_section): New type.
10894         (Relobj::Kept_comdat_section_table): New type.
10895         (Relobj::add_comdat_group): New function.
10896         (Relobj::set_kept_comdat_section): New function.
10897         (Relobj::get_kept_comdat_section): New function.
10898         (Relobj::comdat_groups_): New field.
10899         (Relobj::kept_comdat_sections_): New field.
10900         (Symbol_value::input_value): Update comment.
10901         (Sized_relobj::map_to_kept_section) New function.
10902         (Sized_relobj::include_linkonce_section): Add new parameter.
10903         * target-reloc.h (Comdat_behavior): New type.
10904         (get_comdat_behavior): New function.
10905         (relocate_section): Add code to map a discarded section to the
10906         corresponding kept section when applying a relocation.
10907
10908 2008-04-30  Craig Silverstein  <csilvers@google.com>
10909
10910         * dwarf_reader.cc (next_generation_count): New static var.
10911         (Addr2line_cache_entry): New struct.
10912         (addr2line_cache): New static var.
10913         (Dwarf_line_info::one_addr2line): Added caching.
10914         (Dwarf_line_info::clear_addr2line_cache): New function.
10915         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10916         cache-size parameter.
10917         (Dwarf_line_info::one_addr2line_cache): New function.
10918         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10919         new cache-size argument to one_addr2line(), and clear cache.
10920
10921 2008-04-28  Cary Coutant  <ccoutant@google.com>
10922
10923         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10924         R_386_PC8 relocations.
10925
10926 2008-04-23  Ian Lance Taylor  <iant@google.com>
10927
10928         * object.cc (Sized_relobj::include_section_group): Check for
10929         invalid section group.
10930
10931         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10932         header size.
10933
10934         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10935         than read for file header.
10936         * archive.cc (Archive::include_member): Likewise.
10937
10938 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10939
10940         * aclocal.m4: Regenerate.
10941         * configure: Regenerate.
10942
10943 2008-04-19  Ian Lance Taylor  <iant@google.com>
10944
10945         * version.cc (version_string): Bump to 1.6.
10946
10947         * testsuite/Makefile.am (many_sections_r_test): New target.
10948         (many_sections_r_test_SOURCES): Remove.
10949         (many_sections_r_test_DEPENDENCIES): Remove.
10950         (many_sections_r_test_LDFLAGS): Remove.
10951         (many_sections_r_test_LDADD): Remove.
10952
10953         * object.cc (Sized_relobj::do_add_symbols): Always pass
10954         local_symbol_count_ to add_from_relobj.
10955
10956         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10957         every thousand variables.
10958         * testsuite/Makefile.in: Rebuild.
10959
10960         * object.cc (Xindex::initialize_symtab_xindex): New function.
10961         (Xindex::read_symtab_xindex): New function.
10962         (Xindex::sym_xindex_to_shndx): New function.
10963         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10964         available.
10965         (Sized_relobj::do_initialize_xindex): New function.
10966         (Sized_relobj::do_read_symbols): Adjust section links.
10967         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10968         parameter.  Change all callers.
10969         (Sized_relobj::include_section_group): Adjust section links and
10970         symbol section indexes.
10971         (Sized_relobj::do_layout): Adjust section links.
10972         (Sized_relobj::do_count_local_symbols): Adjust section links and
10973         symbol section indexes.
10974         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10975         ordinary and special symbols.
10976         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10977         dynsym_xindex parameters.  Change all callers.  Adjust section
10978         links.  Use SHN_XINDEX when needed.
10979         (Sized_relobj::get_symbol_location_info): Adjust section links.
10980         Don't get fooled by special symbols.
10981         * object.h (class Xindex): Define.
10982         (class Object): Add xindex_ parameter.  Declare virtual functoin
10983         do_initialize_xindex.
10984         (Object::adjust_sym_shndx): New function.
10985         (Object::set_xindex): New protected function.
10986         (class Symbol_value): Add is_ordinary_shndx_ field.
10987         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10988         (Symbol_value::value): Assert ordinary section.
10989         (Symbol_value::initialize_input_to_output_map): Likewise.
10990         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10991         Change all callers.
10992         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10993         all callers.
10994         (class Sized_relobj): Update declarations.
10995         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10996         parameter.  Change all callers.
10997         (Sized_relobj::adjust_shndx): New function.
10998         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10999         field.
11000         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11001         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11002         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11003         (Sized_dynobj::read_dynsym_section): Adjust section links.
11004         (Sized_dynobj::read_dynamic): Likewise.
11005         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11006         section links.
11007         (Sized_dynobj::do_initialize_xindex): New function.
11008         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11009         do_initialize_xindex.
11010         (Sized_dynobj::adjust_shndx): New function.
11011         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11012         dynsym_xindex_ fields.
11013         (Layout::finalize): Add a call to set_section_indexes before
11014         creating the symtab sections.
11015         (Layout::set_section_indexes): Don't do anything if the section
11016         already has a section index.
11017         (Layout::create_symtab_sections): Add shnum parameter.  Change
11018         caller.  Create .symtab_shndx section if needed.
11019         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11020         caller.
11021         (Layout::allocated_output_section_count): New function.
11022         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11023         needed.
11024         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11025         fields.  Update declarations.
11026         (Layout::symtab_xindex): New function.
11027         (Layout::dynsym_xindex): New function.
11028         (class Write_symbols_task): Add layout_ field.
11029         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11030         Change caller.
11031         * output.cc (Output_section_headers::Output_section_headers): Add
11032         shstrtab_section parameter.  Change all callers.
11033         (Output_section_headers::do_sized_write): Store overflow values
11034         for section count and section string table section index in
11035         section header zero.
11036         (Output_file_header::do_sized_write): Check for overflow of
11037         section count and section string table section index.
11038         (Output_symtab_xindex::do_write): New function.
11039         (Output_symtab_xindex::endian_do_write): New function.
11040         * output.h (class Output_section_headers): Add shstrtab_section_.
11041         Update declarations.
11042         (class Output_symtab_xindex): Define.
11043         (Output_section::has_out_shndx): New function.
11044         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11045         field.
11046         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11047         Change all callers.
11048         (Sized_symbol::init): Likewise.
11049         (Symbol::output_section): Check for ordinary symbol.
11050         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11051         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11052         callers.
11053         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11054         Change all callers.  Simplify handling of symbols from sections
11055         not included in the link.
11056         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11057         distinction.
11058         (Weak_alias_sorter::operator()): Assert that symbols are
11059         ordinary.
11060         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11061         distinction.
11062         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11063         parameters.  Change all callers.
11064         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11065         symbol distinction.  Use SHN_XINDEX when needed.
11066         (Symbol_table::write_section_symbol): Add symtab_xindex
11067         parameter.  Change all callers.
11068         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11069         SHN_XINDEX when needed.
11070         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11071         declarations.
11072         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11073         (Symbol::is_defined): Check is_ordinary.
11074         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11075         (Symbol::is_absolute, Symbol::is_common): Likewise.
11076         (class Sized_symbol): Update declarations.
11077         (class Symbol_table): Update declarations.
11078         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11079         parameters.  Change all callers.
11080         (Sized_symbol::override): Likewise.
11081         (Symbol_table::override): Likewise.
11082         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11083         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11084         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11085         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11086         to be in an ordinary section.
11087         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11088         object and is_ordinary parameters.  Change all callers.
11089         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11090         Change all callers.  Don't add undefined or non-ordinary symbols
11091         to reloc_map_.
11092         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11093         Change all callers.
11094         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11095         declarations.
11096         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11097         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11098         (Sized_relobj::relocate_sections): Likewise.
11099         * target-reloc.h (scan_relocs): Adjust section symbol index.
11100         (scan_relocatable_relocs): Likewise.
11101         * i386.cc (Scan::local): Check for ordinary symbols.
11102         * sparc.cc (Scan::local): Likewise.
11103         * x86_64.cc (Scan::local): Likewise.
11104         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11105         to symbol_section_and_value.
11106         * testsuite/many_sections_test.cc: New file.
11107         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11108         (check_PROGRAMS): Add many_sections_test.
11109         (many_sections_test_SOURCES): Define.
11110         (many_sections_test_DEPENDENCIES): Define.
11111         (many_sections_test_LDFLAGS): Define.
11112         (BUILT_SOURCES): Add many_sections_define.h.
11113         (many_sections_define.h): New target.
11114         (BUILT_SOURCES): Add many_sections_check.h.
11115         (many_sections_check.h): New target.
11116         (check_PROGRAMS): Add many_sections_r_test.
11117         (many_sections_r_test_SOURCES): Define.
11118         (many_sections_r_test_DEPENDENCIES): Define.
11119         (many_sections_r_test_LDFLAGS): Define.
11120         (many_sections_r_test_LDADD): Define.
11121         (many_sections_r_test.o): New target.
11122         * testsuite/Makefile.in: Rebuild.
11123
11124 2008-04-17  Cary Coutant  <ccoutant@google.com>
11125
11126         * errors.cc (Errors::info): New function.
11127         (gold_info): New function.
11128         * errors.h (Errors::info): New function.
11129         * gold.h (gold_info): New function.
11130         * object.cc (Input_objects::add_object): Print trace output.
11131         * options.cc (options::parse_set): New function.
11132         (General_options::parse_wrap): Deleted.
11133         (General_options::General_options): Deleted initializer.
11134         * options.h (options::String_set): New typedef.
11135         (options::parse_set): New function.
11136         (DEFINE_set): New macro.
11137         (General_options::wrap): Changed to use DEFINE_set. Changed
11138         callers of any_wrap_symbols and is_wrap_symbol.
11139         (General_options::trace, General_options::trace_symbol):
11140         New options.
11141         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11142         (General_options::wrap_symbols_): Deleted.
11143         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11144
11145 2008-04-17  David S. Miller  <davem@davemloft.net>
11146
11147         * options.cc (General_options::parse_V): New function.
11148         * options.h: Add entries for -V and -Qy.
11149
11150 2008-04-17  Ian Lance Taylor  <iant@google.com>
11151
11152         * common.cc (Symbol_table::allocate_commons): Remove options
11153         parameter.  Change caller.
11154         (Symbol_table::do_allocate_commons): Remove options parameter.
11155         Change caller.  Just call do_allocate_commons_list twice.
11156         (Symbol_table::do_allocate_commons_list): New function, broken out
11157         of do_allocate_commons.
11158         * common.h (class Allocate_commons_task): Remove options_ field.
11159         Update constructor.
11160         * symtab.cc (Symbol_table::Symbol_table): Initialize
11161         tls_commons_.
11162         (Symbol_table::add_from_object): Put TLS common symbols on
11163         tls_commons_ list.
11164         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11165         which are IN_OUTPUT_DATA.
11166         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11167         allocate_commons and do_allocate_commons declarations.  Declare
11168         do_allocate_commons_list.
11169         * gold.cc (queue_middle_tasks): Update creation of
11170         Allocate_commons_task to not pass options.
11171         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11172         (TLS_TEST_C_FLAGS): New variable.
11173         (tls_test_c_pic.o): New target.
11174         (tls_test_shared.so): Link in tls_test_c_pic.o.
11175         (tls_test_c_pic_ie.o): New target.
11176         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11177         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11178         (tls_test_c.o): New target.
11179         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11180         (tls_pic_test_LDADD): Likewise.
11181         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11182         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11183         (tls_test_c_gnu2.o): New target.
11184         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11185         tls_test_c_gnu2.o.
11186         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11187         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11188         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11189         * testsuite/tls_test.cc: Include "config.h".
11190         (t_last): Call t11_last.
11191         * testsuite/tls_test.h (t11, t11_last): Declare.
11192         * testsuite/tls_test_c.c: New file.
11193         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11194         * configure.ac: Check for OpenMP support.
11195         * configure, config.in, Makefile.in: Rebuild.
11196         * testsuite/Makefile.in: Rebuild.
11197
11198 2008-04-16  Cary Coutant  <ccoutant@google.com>
11199
11200         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11201         (Target_i386::tls_base_symbol_defined_): New field.
11202         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11203         (Target_i386::Scan::global): Likewise.
11204         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11205         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11206         (Target_x86_64::tls_base_symbol_defined_): New field.
11207         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11208         (Target_x86_64::Scan::global): Likewise.
11209
11210 2008-04-16  Cary Coutant  <ccoutant@google.com>
11211
11212         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11213         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11214         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11215         building shared libraries.
11216         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11217         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11218         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11219         * testsuite/Makefile.in: Rebuild.
11220         * testsuite/weak_undef.h: New file.
11221         * testsuite/weak_undef_file1.cc: Add extra test cases.
11222         * testsuite/weak_undef_file2.cc: Likewise.
11223         * testsuite/weak_undef_test.cc: Likewise.
11224
11225 2008-04-16  David S. Miller  <davem@davemloft.net>
11226
11227         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11228         Add issued_non_pic_error_ field.  Declare check_non_pic.
11229         (Target_sparc::Scan::check_non_pic): New function.
11230         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11231         (Target_sparc::Scan::global): Likewise.
11232
11233         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11234         * configure: Rebuild.
11235
11236         * options.h (DEFINE_enable): New macro.
11237         (new_dtags): New enable option.
11238         (initfirst, interpose, loadfltr, nodefaultlib,
11239         nodelete, nodlopen, nodump): New -z options.
11240         * layout.cc (Layout:finish_dynamic_section): If new
11241         dtags enabled, emit DT_RUNPATH.  Also, emit a
11242         DT_FLAGS_1 containing any specified -z flags.
11243
11244 2008-04-16  Ian Lance Taylor  <iant@google.com>
11245
11246         * copy-relocs.cc: New file.
11247         * copy-relocs.h: New file.
11248         * reloc.cc: Remove Copy_relocs code.
11249         * reloc.h: Likewise.
11250         * reloc-types.h (struct Reloc_types) [both versions]: Add
11251         get_reloc_addend_noerror.
11252         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11253         variants of add_global which take an addend which must be zero.
11254         * i386.cc: Include "copy-relocs.h".
11255         (class Target_i386): Change type of copy_relocs_ to variable,
11256         update initializer.
11257         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11258         Change all callers.
11259         (Target_i386::do_finalize_sections): Change handling of
11260         copy_relocs_.
11261         * sparc.cc: Include "copy-relocs.h".
11262         (class Target_sparc): Change type of copy_relocs_ to variable,
11263         update initializer.
11264         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11265         Change all callers.
11266         (Target_sparc::do_finalize_sections): Change handling of
11267         copy_relocs_.
11268         * x86_64.cc: Include "copy-relocs.h".
11269         (class Target_x86_64): Change type of copy_relocs_ to variable,
11270         update initializer.
11271         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11272         class.  Change all callers.
11273         (Target_x86_64::do_finalize_sections): Change handling of
11274         copy_relocs_.
11275         * Makefile.am (CCFILES): Add copy-relocs.cc.
11276         (HFILES): Add copy-relocs.h.
11277
11278         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11279
11280         * testsuite/script_test_4.sh: Permit leading zeroes.
11281
11282 2008-04-15  Ian Lance Taylor  <iant@google.com>
11283
11284         * script-sections.cc (Script_sections::create_segments): Use
11285         header_size_adjustment even when there is enough room for the
11286         headers.
11287         * testsuite/script_test_4.sh: New file.
11288         * testsuite/script_test_4.t: New file.
11289         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11290         (check_DATA): Add script_test_4.stdout.
11291         (MOSTLYCLEANFILES): Likewise.
11292         (script_test_4): New target.
11293         (script_test_4.stdout): New target.
11294         * testsuite/Makefile.in: Rebuild.
11295
11296         * sparc.cc: Add definitions for Output_data_plt_sparc class
11297         constants.
11298
11299 2008-04-14  David S. Miller  <davem@davemloft.net>
11300
11301         * sparc.cc: New file.
11302         * Makefile.am (TARGETSOURCES): Add sparc.cc
11303         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11304         * configure.tgt: Document targ_extra_size and
11305         targ_extra_big_endian.  Add entries for sparc-* and
11306         sparc64-*.
11307         * configure.ac: Handle targ_extra_size and
11308         targ_extra_big_endian.
11309         * Makefile.in: Rebuild.
11310         * configure: Likewise.
11311         * po/POTFILES.in: Likewise.
11312         * po/gold.pot: Likewise.
11313
11314 2008-04-14  Ian Lance Taylor  <iant@google.com>
11315
11316         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11317         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11318         in the name/type/flags to section mapping.  Don't call
11319         allocate_output_section.
11320         (Layout::choose_output_section): Change parameter from adjust_name
11321         to is_input_section.  Don't permit input sections after sections
11322         are attached to segments.  Don't call allocate_output_section.
11323         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11324         not write_enable_output_section.
11325         (Layout::make_output_section): Don't push to
11326         unattached_section_list_ nor call attach_to_segment.  Call
11327         attach_section_to_segment if sections are attached.
11328         (Layout::attach_sections_to_segments): New function.
11329         (Layout::attach_section_to_segment): New function.
11330         (Layout::attach_allocated_section_to_segment): Rename from
11331         attach_to_segment.  Remove flags parameter.
11332         (Layout::allocate_output_section): Remove function.
11333         (Layout::write_enable_output_section): Remove function.
11334         * layout.h (class Layout): Update for above changes.  Add new
11335         field sections_are_attached_.
11336         * output.h (Output_section::update_flags_for_input_section): New
11337         function.
11338         * output.cc (Output_section::add_input_section): Call
11339         update_flags_for_input_section.
11340         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11341
11342 2008-04-11  Cary Coutant  <ccoutant@google.com>
11343
11344         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11345         thought unnecessary.
11346         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11347
11348 2008-04-11  Ian Lance Taylor  <iant@google.com>
11349
11350         * output.h (class Output_section_data): Remove inline definition
11351         of set_addralign.
11352         * output.cc (Output_section_data::set_addralign): New function.
11353
11354 2008-04-11  Cary Coutant  <ccoutant@google.com>
11355
11356         Add support for TLS descriptors for i386 and x86_64.
11357         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11358         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11359         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11360         GOT_TYPE_TLS_DESC.
11361         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11362         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11363         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11364         relocations.
11365         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11366         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11367         Fix problem with initial-exec relocations.
11368         (Target_i386::Relocate::relocate_tls): Likewise.
11369         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11370         relaxation.
11371         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11372         support for section-plus-offset dynamic table entries.
11373         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11374         (Output_data_dynamic::Dynamic_entry): Add support for
11375         section-plus-offset dynamic table entries.
11376         (Output_data_dynamic::Classification): Likewise.
11377         (Output_data_dynamic::classification_): Renamed offset_.
11378         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11379         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11380         (Target_x86_64::make_plt_section): New function.
11381         (Target_x86_64::reserve_tlsdesc_entries): New function.
11382         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11383         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11384         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11385         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11386         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11387         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11388         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11389         add extra PLT entry for TLS descriptors.
11390         (Output_data_plt_x86_64::got_): New field.
11391         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11392         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11393         fields.
11394         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11395         descriptors.
11396         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11397         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11398         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11399         R_386_TLS_DESC_CALL relocations.
11400         (Target_x86_64::Scan::global): Likewise.
11401         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11402         for TLS descriptors.
11403         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11404         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11405         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11406         GD-to-IE relaxation.
11407         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11408         and TLS_DESCRIPTORS.
11409         * Makefile.in: Rebuild.
11410         * configure: Rebuild.
11411         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11412         (tls_test_shared2.so): New target.
11413         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11414         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11415         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11416         (tls_shared_gd_to_ie_test_LDADD): New variable.
11417         (tls_shared_gnu2_gd_to_ie_test): New target.
11418         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11419         New targets.
11420         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11421         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11422         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11423         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11424         (tls_shared_gnu2_test): New target.
11425         (tls_test_gnu2_shared.so): New target.
11426         (tls_shared_gnu2_test_SOURCES): New variable.
11427         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11428         (tls_shared_gnu2_test_LDFLAGS): New variable.
11429         (tls_shared_gnu2_test_LDADD): New variable.
11430         * testsuite/Makefile.in: Rebuild.
11431         * testsuite/Makefile.
11432
11433 2008-04-11  Ian Lance Taylor  <iant@google.com>
11434
11435         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11436         justsyms.t.
11437         * testsuite/Makefile.in: Rebuild.
11438
11439         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11440         long.
11441         * testsuite/script_test_2.cc (main): Adjust test.
11442
11443 2008-04-11  David S. Miller  <davem@davemloft.net>
11444             Ian Lance Taylor  <iant@google.com>
11445
11446         * options.h (General_options): Add entries for '-Y' and
11447         '-relax'.
11448         * options.cc (General_options:finalize): If -Y was used, add those
11449         entries to the library path instead of the default "/lib" and
11450         "/usr/lib".
11451
11452 2008-04-11  David S. Miller  <davem@davemloft.net>
11453
11454         * testsuite/justsyms.t: Start at 0x100.
11455         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11456         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11457         long.
11458         * testsuite/script_test_2.cc: Adjust string and section length
11459         checks.
11460
11461 2008-04-09  Ian Lance Taylor  <iant@google.com>
11462
11463         PR gold/5996
11464         * script-sections.cc (Sections_element::allocate_to_segment): Add
11465         orphan parameter.
11466         (Output_section_definition::allocate_to_segment): Likewise.
11467         (Orphan_output_section::allocate_to_segment): Likewise.
11468         (Script_sections::attach_sections_using_phdrs_clause): Don't
11469         propagate non-PT_LOAD segments to orphan sections.
11470         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11471         readelf rather than objdump.
11472         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11473         .interp section and PT_INTERP segment are the same size.
11474         * testsuite/Makefile.in: Rebuild.
11475
11476         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11477         aliases for symbols defined in the same object.
11478         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11479         (weak_alias_test_SOURCES): New variable.
11480         (weak_alias_test_DEPENDENCIES): New variable.
11481         (weak_alias_test_LDFLAGS): New variable.
11482         (weak_alias_test_LDADD): New variable.
11483         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11484         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11485         (weak_alias_test_3.o): New target.
11486         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11487         * testsuite/weak_alias_test_main.cc: New file.
11488         * testsuite/weak_alias_test_1.cc: New file.
11489         * testsuite/weak_alias_test_2.cc: New file.
11490         * testsuite/weak_alias_test_3.cc: New file.
11491
11492 2008-04-08  Ian Lance Taylor  <iant@google.com>
11493
11494         * options.h (class General_options): Add --noinhibit-exec option.
11495         * main.cc (main): Check --noinhibit-exec.
11496
11497         * options.h (class General_options): Define --wrap as a special
11498         option.  Add wrap_symbols_ field.
11499         (General_options::any_wrap_symbols): New function.
11500         (General_options::is_wrap_symbol): New function.
11501         * options.cc (General_options::parse_wrap): New function.
11502         (General_options::General_options): Initialize wrap_symbols_.
11503         * symtab.cc (Symbol_table::wrap_symbol): New function.
11504         (Symbol_table::add_from_object): Handle --wrap.
11505         * symtab.h (class Symbol_table): Declare wrap_symbol.
11506         * target.h (Target::wrap_char): New function.
11507         (Target::Target_info): Add wrap_char field.
11508         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11509         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11510         * testsuite/testfile.cc (Target_test::test_target_info):
11511         Likewise.
11512
11513         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11514         there is one.
11515
11516         * layout.h (class Layout): Add added_eh_frame_data_ field.
11517         * layout.cc (Layout::Layout): Initialize new field.
11518         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11519         output section until we find a section we merged successfully.
11520         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11521         that the size be non-zero.
11522
11523         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11524         qualifier.
11525
11526 2008-04-08  Craig Silverstein  <csilvers@google.com>
11527
11528         * configure.ac: Export new conditional variable HAVE_ZLIB.
11529         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11530         on HAVE_ZLIB.
11531         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11532         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11533
11534 2008-04-07  Ian Lance Taylor  <iant@google.com>
11535
11536         * version.cc (version_string): Set to "1.5".
11537
11538         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11539         Add issued_non_pic_error_ field.  Declare check_non_pic.
11540         (Target_x86_64::Scan::check_non_pic): New function.
11541         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11542         (Target_x86_64::Scan::global): Likewise.
11543
11544         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11545         addend parameter.  Change caller.  Handle merge sections.
11546         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11547         Address to Addend.  Don't add in the result of
11548         local_section_offset, pass down the addend and use the returned
11549         value.
11550         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11551         Update declarations of local_section_offset and symbol_value.
11552         * testsuite/two_file_test_1.cc (t18): New function.
11553         * testsuite/two_file_test_2.cc (f18): New function.
11554         * testsuite/two_file_test_main.cc (main): Call t18.
11555         * testsuite/two_file_test.h (t18, f18): Declare.
11556
11557         * configure.ac: Don't test for objdump, c++filt, or readelf.
11558         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11559         conditionals.
11560         (TEST_READELF): New variable.
11561         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11562         (check_PROGRAMS): Add two_file_strip_test.
11563         (two_file_strip_test): New target.
11564         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11565         (two_file_same_shared_strip_test_SOURCES): New variable.
11566         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11567         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11568         (two_file_same_shared_strip_test_LDADD): New variable.
11569         (two_file_shared_strip.so): New target.
11570         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11571         (ver_test_5.syms, ver_test_7.syms): Likewise.
11572         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11573         (strip_test_3.stdout): Use TEST_OBJDUMP.
11574         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11575
11576 2008-04-04  Cary Coutant  <ccoutant@google.com>
11577
11578         * symtab.h (Symbol::is_weak_undefined): New function.
11579         (Symbol::is_strong_undefined): New function.
11580         (Symbol::is_absolute): New function.
11581         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11582         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11583         absolute symbols.
11584         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11585         (weak_undef_test): New target.
11586         * testsuite/Makefile.in: Rebuild.
11587         * testsuite/weak_undef_file1.cc: New file.
11588         * testsuite/weak_undef_file2.cc: New file.
11589         * testsuite/weak_undef_test.cc: New file.
11590
11591 2008-04-03  Craig Silverstein  <csilvers@google.com>
11592
11593         * compressed_output.h (class Output_compressed_section): Use
11594         unsigned buffer.
11595         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11596         add zlib header.
11597         (zlib_compressed_suffix): Removed.
11598         (Output_compressed_section::set_final_data_size): Use unsigned
11599         buffers.
11600         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11601         Fix linker invocation.
11602         (flagstest_o_specialfile_and_compress_debug_sections):
11603         Likewise.
11604         * testsuite/Makefile.in: Regenerated.
11605
11606 2008-04-02  David S. Miller  <davem@davemloft.net>
11607
11608         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11609         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11610
11611 2008-04-02  Craig Silverstein  <csilvers@google.com>
11612
11613         * TODO: New file.
11614
11615 2008-04-02  Ian Lance Taylor  <iant@google.com>
11616
11617         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11618         parameters.  Update for new key type to views_.  Change all
11619         callers.
11620         (File_read::read): Adjust for byteshift in returned view.
11621         (File_read::add_view): New function, broken out of
11622         find_and_make_view.
11623         (File_read::make_view): New function, broken out of
11624         find_and_make_view.
11625         (File_read::find_or_make_view): Add offset and aligned
11626         parameters.  Rewrite accordingly.  Change all callers.
11627         (File_read::get_view): Add offset and aligned parameters.  Adjust
11628         for byteshift in return value.
11629         (File_read::get_lasting_view): Likewise.
11630         * fileread.h (class File_read): Update declarations.
11631         (class File_read::View): Add byteshift_ field.  Add byteshift to
11632         constructor.  Add byteshift method.
11633         * archive.h (Archive::clear_uncached_views): New function.
11634         (Archive::get_view): Add aligned parameter.  Change all callers.
11635         * object.h (Object::get_view): Add aligned parameter.  Change all
11636         callers.
11637         (Object::get_lasting_view): Likewise.
11638
11639         * fileread.cc (File_read::release): Don't call clear_views if
11640         there are multiple objects.
11641         * fileread.h (File_read::clear_uncached_views): New function.
11642         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11643         on the archive.
11644
11645 2008-03-31  Cary Coutant  <ccoutant@google.com>
11646
11647         Add thin archive support.
11648         * archive.cc (Archive::armagt): New const.
11649         (Archive::setup): Remove task parameter and calls to unlock.
11650         (Archive::unlock_nested_archives): New function.
11651         (Archive::read_header): Add nested_off parameter. Change
11652         all callers.
11653         (Archive::interpret_header): Likewise.
11654         (Archive::include_all_members): Change to handle thin
11655         archives.
11656         (Archive::include_member): Likewise.
11657         * archive.h (Archive::Archive): Add new parameters and
11658         initializers.
11659         (Archive::armagt): New const.
11660         (Archive::setup): Remove task parameter.
11661         (Archive::unlock_nested_archives): New function.
11662         (Archive::read_header): Add nested_off parameter.
11663         (Archive::interpret_header): Likewise.
11664         (Archive::Nested_archive_table): New typedef.
11665         (Archive::is_thin_archive_): New field.
11666         (Archive::nested_archives_): New field.
11667         (Archive::options_): New field.
11668         (Archive::dirpath_): New field.
11669         (Archive::task_): New field.
11670         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11671         for thin archives.  Pass additional parameters to
11672         Archive::Archive.  Unlock the archive file after calling
11673         Archive::setup.
11674
11675 2008-03-29  Ian Lance Taylor  <iant@google.com>
11676
11677         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11678         version symbol to be local.
11679         * testsuite/ver_test_4.sh: New file.
11680         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11681         (check_DATA): Add ver_test_4.syms.
11682         (ver_test_4.syms): New target.
11683         * testsuite/Makefile.in: Rebuild.
11684
11685         * output.cc
11686         (Output_section::Input_section_sort_entry::has_priority): New
11687         function.
11688         (Output_section::Input_section_sort_entry::match_file_name): New
11689         function.
11690         (Output_section::Input_section_sort_entry::match_section_name):
11691         Remove.
11692         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11693         Remove.
11694         (Output_section::Input_section_sort_entry::match_section_file):
11695         Remove.
11696         (Output_section::Input_section_sort_compare::operator()): Rewrite
11697         using new Input_section_sort_entry functions.  Sort crtbegin and
11698         crtend first.  Sort sections with no priority before sections with
11699         a priority.
11700         * testsuite/initpri1.c (d3): Check j != 4.
11701         (cd5): New constructor/destructor function.
11702         (main): Check j != 2.
11703
11704         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11705         new symbol when resolving, don't call set_is_default.
11706         * testsuite/ver_test_7.cc: New file.
11707         * testsuite/ver_test_7.sh: New file.
11708         * testsuite/Makefile.am (ver_test_7.so): New target.
11709         (ver_test_7.o): New target.
11710         (check_SCRIPTS): Add ver_test_7.sh.
11711         (check_DATA): Add ver_test_7.syms.
11712         (ver_test_7.syms): New target.
11713
11714 2008-03-28  Ian Lance Taylor  <iant@google.com>
11715
11716         * layout.cc (Layout::layout): If we see an input section with a
11717         name that needs sorting, set the must_sort flag for the output
11718         section.
11719         (Layout::make_output_section): If the name of the output section
11720         indicates that it might require sorting, set the may_sort flag.
11721         * output.h (Output_section::may_sort_attached_input_sections): New
11722         function.
11723         (Output_section::set_may_sort_attached_input_sections): New
11724         function.
11725         (Output_section::must_sort_attached_input_sections): New
11726         function.
11727         (Output_section::set_must_sort_attached_input_sections): New
11728         function.
11729         (class Output_section): Declare Input_section_sort_entry.  Define
11730         Input_section_sort_compare.  Declare
11731         sort_attached_input_sections.  Add new fields:
11732         may_sort_attached_input_sections_,
11733         must_sort_attached_input_sections_,
11734         attached_input_sections_are_sorted_.
11735         * output.cc (Output_section::Output_section): Initialize new
11736         fields.
11737         (Output_section::add_input_section): Add an entry to
11738         input_sections_ if may_sort or must_sort are true.
11739         (Output_section::set_final_data_size): Call
11740         sort_attached_input_sections if necessary.
11741         (Output_section::Input_section_sort_entry): Define new class.
11742         (Output_section::Input_section_sort_compare::operator()): New
11743         function.
11744         (Output_section::sort_attached_input_sections): New function.
11745         * configure.ac: Check whether the compiler supports constructor
11746         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11747         * testsuite/initpri1.c: New file.
11748         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11749         CONSTRUCTOR_PRIORITY.
11750         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11751         (initpri1_LDFLAGS): New variable.
11752         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11753
11754 2008-03-27  Ian Lance Taylor  <iant@google.com>
11755
11756         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11757         * testsuite/common_test_1.c: New file.
11758         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11759         (common_test_1_SOURCES): New variable.
11760         (common_test_1_DEPENDENCIES): New variable.
11761         (common_test_1_LDFLAGS): New variable.
11762
11763         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11764         and commons_ correctly when NAME/VERSION does not override
11765         NAME/NULL.
11766         * testsuite/ver_test_6.c: New file.
11767         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11768         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11769         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11770
11771 2008-03-26  Ian Lance Taylor  <iant@google.com>
11772
11773         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11774         of an undefined symbol from a version script.
11775         * testsuite/Makefile.am (ver_test_5.so): New target.
11776         (ver_test_5.o): New target.
11777         (check_SCRIPTS): Add ver_test_5.sh.
11778         (check_DATA): Add ver_test_5.syms.
11779         (ver_test_5.syms): New target.
11780         * testsuite/ver_test_5.cc: New file.
11781         * testsuite/ver_test_5.script: New file.
11782         * testsuite/ver_test_5.sh: New file.
11783         * Makefile.in, testsuite/Makefile.in: Rebuild.
11784
11785         PR gold/5986
11786         Fix problems building gold with gcc 4.3.0.
11787         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11788         (gold_error_at_location, gold_warning_at_location): Use it.
11789         * configure.ac: Check whether we can compile and use a template
11790         function with a printf attribute.
11791         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11792         when jumping over bytes.
11793         * object.cc: Instantiate Object::read_section_data.
11794         * debug.h: Include <cstring>
11795         * dwarf_reader.cc: Include <algorithm>
11796         * main.cc: Include <cstring>.
11797         * options.cc: Include <cstring>.
11798         * output.cc: Include <cstring>.
11799         * script.cc: Include <cstring>.
11800         * script.h: Include <string>.
11801         * symtab.cc: Include <cstring> and <algorithm>.
11802         * target-select.cc: Include <cstring>.
11803         * version.cc: Include <string>.
11804         * testsuite/testmain.cc: Include <cstdlib>.
11805         * configure, config.in: Rebuild.
11806
11807 2008-03-25  Ian Lance Taylor  <iant@google.com>
11808
11809         * options.cc: Include "../bfd/bfdver.h".
11810         (options::help): Print bug reporting address.
11811
11812         * version.cc (print_version): Adjust output for current value of
11813         BFD_VERSION_STRING.
11814
11815         * NEWS: New file.
11816
11817         * options.cc (options::help): Print list of supported targets.
11818         * target-select.h: Include <vector>.
11819         (class Target_selector): Make machine_, size_, and is_big_endian_
11820         fields const.  Add bfd_name_ and instantiated_target_ fields.
11821         (Target_selector::Target_selector): Add bfd_name parameter.
11822         (Target_selector::recognize): Make non-virtual, call
11823         do_recognize.
11824         (Target_selector::recognize_by_name): Make non-virtual, call
11825         do_recognize_by_name.
11826         (Target_selector::supported_names): New function.
11827         (Target_selector::bfd_name): New function.
11828         (Target_selector::do_instantiate_target): New pure virtual
11829         function.
11830         (Target_selector::do_recognize): New virtual function.
11831         (Target_selector::do_recognize_by_name): New virtual function.
11832         (Target_selector::instantiate_target): New private function.
11833         (supported_target_names): Declare.
11834         * target-select.cc (Target_selector::Target_selector): Update for
11835         new parameter and fields.
11836         (select_target_by_name): Check that the name matches before
11837         calling recognize_by_name.
11838         (supported_target_names): New function.
11839         * i386.cc (class Target_selector_i386): Update Target_selector
11840         constructor call.  Remove recognize and recognize_by_name.  Add
11841         do_instantiate_target.
11842         * x86_64.cc (class Target_selector_x86_64): Likewise.
11843         * testsuite/testfile.cc (class Target_selector_test): Update for
11844         changes to Target_selector.
11845
11846         * README: Rewrite, with some notes on unsupported features.
11847
11848 2008-03-24  Cary Coutant  <ccoutant@google.com>
11849
11850         * i386.cc (Target_i386::Got_type): New enum declaration.
11851         (Target_i386::Scan::local): Updated callers of Output_data_got
11852         member functions.
11853         (Target_i386::Scan::global): Likewise.
11854         (Target_i386::Relocate::relocate): Likewise.
11855         (Target_i386::Relocate::relocate_tls): Likewise.
11856         * object.h (Got_offset_list): New class.
11857         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11858         (Sized_relobj::local_got_offset): Likewise.
11859         (Sized_relobj::set_local_got_offset): Likewise.
11860         (Sized_relobj::local_has_tls_got_offset): Removed.
11861         (Sized_relobj::local_tls_got_offset): Removed.
11862         (Sized_relobj::set_local_tls_got_offset): Removed.
11863         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11864         * output.cc (Output_data_got::add_global): Added got_type parameter.
11865         (Output_data_got::add_global_with_rel): Likewise.
11866         (Output_data_got::add_global_with_rela): Likewise.
11867         (Output_data_got::add_global_pair_with_rel): New function.
11868         (Output_data_got::add_global_pair_with_rela): New function.
11869         (Output_data_got::add_local): Added got_type parameter.
11870         (Output_data_got::add_local_with_rel): Likewise.
11871         (Output_data_got::add_local_with_rela): Likewise.
11872         (Output_data_got::add_local_pair_with_rel): New function.
11873         (Output_data_got::add_local_pair_with_rela): New function.
11874         (Output_data_got::add_global_tls): Removed.
11875         (Output_data_got::add_global_tls_with_rel): Removed.
11876         (Output_data_got::add_global_tls_with_rela): Removed.
11877         (Output_data_got::add_local_tls): Removed.
11878         (Output_data_got::add_local_tls_with_rel): Removed.
11879         (Output_data_got::add_local_tls_with_rela): Removed.
11880         * output.h (Output_data_got::add_global): Added got_type parameter.
11881         (Output_data_got::add_global_with_rel): Likewise.
11882         (Output_data_got::add_global_with_rela): Likewise.
11883         (Output_data_got::add_global_pair_with_rel): New function.
11884         (Output_data_got::add_global_pair_with_rela): New function.
11885         (Output_data_got::add_local): Added got_type parameter.
11886         (Output_data_got::add_local_with_rel): Likewise.
11887         (Output_data_got::add_local_with_rela): Likewise.
11888         (Output_data_got::add_local_pair_with_rel): New function.
11889         (Output_data_got::add_local_pair_with_rela): New function.
11890         (Output_data_got::add_global_tls): Removed.
11891         (Output_data_got::add_global_tls_with_rel): Removed.
11892         (Output_data_got::add_global_tls_with_rela): Removed.
11893         (Output_data_got::add_local_tls): Removed.
11894         (Output_data_got::add_local_tls_with_rel): Removed.
11895         (Output_data_got::add_local_tls_with_rela): Removed.
11896         * resolve.cc (Symbol::override_base_with_special): Removed
11897         reference to has_got_offset_ field.
11898         * symtab.cc (Symbol::init_fields): Replaced initialization
11899         of got_offset_ with got_offsets_.  Removed initialization
11900         of has_got_offset_
11901         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11902         (Symbol::got_offset): Likewise.
11903         (Symbol::set_got_offset): Likewise.
11904         (Symbol::has_tls_got_offset): Removed.
11905         (Symbol::tls_got_offset): Removed.
11906         (Symbol::set_tls_got_offset): Removed.
11907         (Symbol::got_offset_): Removed.
11908         (Symbol::tls_mod_got_offset_): Removed.
11909         (Symbol::tls_pair_got_offset_): Removed.
11910         (Symbol::got_offsets_): New field.
11911         (Symbol::has_got_offset): Removed.
11912         (Symbol::has_tls_mod_got_offset): Removed.
11913         (Symbol::has_tls_pair_got_offset): Removed.
11914         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11915         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11916         member functions.
11917         (Target_x86_64::Scan::global): Likewise.
11918         (Target_x86_64::Relocate::relocate): Likewise.
11919         (Target_x86_64::Relocate::relocate_tls): Likewise.
11920
11921 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11922
11923         * yyscript.y: Fix spelling error in comment.
11924
11925 2008-03-24  Ian Lance Taylor  <iant@google.com>
11926
11927         * options.h (class General_options): Define build_id option.
11928         * layout.h (class Layout): Declare write_build_id, create_note,
11929         create_build_id.  Add build_id_note_ member.
11930         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11931         "libiberty.h", "md5.h", "sha1.h".
11932         (Layout::Layout): Initialize eh_frame_data_,
11933         eh_frame_hdr_section_, and build_id_note_.
11934         (Layout::finalize): Call create_build_id.
11935         (Layout::create_note): New function, broken out of
11936         Layout::create_gold_note.
11937         (Layout::create_gold_note): Call create_note.
11938         (Layout::create_build_id): New function.
11939         (Layout::write_build_id): New function.
11940         (Close_task_runner::run): Call write_build_id.
11941
11942         * x86_64.cc: Correct license to GPLv3.
11943
11944 2008-03-23  Ian Lance Taylor  <iant@google.com>
11945
11946         * options.cc: Include "demangle.h".
11947         (parse_optional_string): New function.
11948         (parse_long_option): Handle takes_optional_argument.
11949         (parse_short_option): Update dash_z initializer.  Handle
11950         takes_optional_argument.
11951         (General_options::General_options): Initialize do_demangle_.
11952         (General_options::finalize): Set do_demangle_.  Handle demangling
11953         style.
11954         * options.h (parse_optional_string): Declare.
11955         (struct One_option): Add optional_arg field.  Update constructor.
11956         Update call constructor calls.  Add takes_optional_argument
11957         function.
11958         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11959         (DEFINE_optional_string): Define.
11960         (General_options::demangle): Change from DEFINE_bool to
11961         DEFINE_optional_string.
11962         (General_options::no_demangle): New function.
11963         (General_options::do_demangle): New function.
11964         (General_options::set_do_demangle): New function.
11965         (General_options::execstack_status_): Move definition to end of
11966         class definition.
11967         (General_options::static_): Likewise.
11968         (General_options::do_demangle_): New field.
11969         * object.cc (big_endian>::get_symbol_location_info): Call
11970         Options::do_demangle, not Options::demangle.
11971         * symtab.cc (demangle): Likewise.
11972
11973 2008-03-22  Ian Lance Taylor  <iant@google.com>
11974
11975         * gold.h: Include <cstddef> and <sys/types.h>
11976         * options.h: Include <cstring>.
11977
11978 2008-03-21  Ian Lance Taylor  <iant@google.com>
11979
11980         * Added source code to GNU binutils.