external/gpl3/binutils/dist/gold/ChangeLog

   1 2008-09-09  Alan Modra  <amodra@bigpond.net.au>
   2
   3         * po/gold.pot: Regenerate.
   4
   5 2008-09-05  Cary Coutant  <ccoutant@google.com>
   6
   7         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
   8         explicit instantiations.
   9
  10 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
  11
  12         PR gold/6858
  13         * options.cc (General_options::finalize): Allow undefined symbols
  14         in shlibs if linking -shared.
  15
  16         PR gold/6859
  17         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
  18         symbols as not needing a dynsym entry.
  19
  20 2008-08-20  Craig Silverstein  <csilvers@google.com>
  21
  22         * fileread.cc (File_read::open): Do not lock the file unless it
  23         was successfully opened.
  24
  25 2008-08-14  Cary Coutant  <ccoutant@google.com>
  26
  27         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
  28         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
  29         * testsuite/tls_test.cc (struct int128): 128-bit struct
  30         for testing TLS relocs with non-zero addend.
  31         (v12): New TLS variable.
  32         (t12): New test.
  33         (t_last): Add check for v12.
  34         * testsuite/tls_test.h (t12): New function.
  35         * testsuite/tls_test_main.cc (thread_routine): Call new test.
  36
  37 2008-08-13  Ian Lance Taylor  <iant@google.com>
  38
  39         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
  40         set tls_segment_ or relro_segment_.
  41         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
  42         when appropriate.
  43         * output.h (Output_section::clear_is_relro): New function.
  44         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
  45         sections specially even when output_data_ is empty.
  46         (Output_segment::maximum_alignment): When first section is relro,
  47         only force alignment for PT_LOAD segments.
  48         * script.cc (script_data_segment_align): New function.
  49         (script_data_segment_relro_end): New function.
  50         * script-c.h (script_data_segment_align): Declare.
  51         (script_data_segment_relro_end): Declare.
  52         * script-sections.h (class Script_sections): Declare
  53         data_segment_align and data_segment_relro_end.  Add fields
  54         segment_align_index_ and saw_relro_end_.
  55         * script-sections.cc (class Sections_element): Add set_is_relro
  56         virtual function.  Add new bool* parameter to place_orphan_here.
  57         Add get_output_section virtual function.
  58         (class Output_section_definition): Add set_is_relro.  Add new
  59         bool* parameter to place_orphan_here.  Add get_output_section.
  60         Add is_relro_ field.
  61         (Output_section_definition::Output_section_definition): Initialize
  62         evaluated_address_, evaluated_load_address, evaluated_addralign_,
  63         and is_relro_ fields.
  64         (Output_section_definition::place_orphan_here): Add is_relro
  65         parameter.
  66         (Output_section_definition::set_section_addresses): Set relro for
  67         output section.
  68         (Output_section_definition::alternate_constraint): Likewise.
  69         (class Orphan_output_section): Add new bool* parameter to
  70         place_orphan_here.  Add get_output_section.
  71         (Orphan_output_section::place_orphan_here): Add is_relro
  72         parameter.
  73         (Script_sections::Script_sections): Initialize
  74         data_segment_align_index_ and saw_relro_end_.
  75         (Script_sections::data_segment_align): New function.
  76         (Script_sections::data_segment_relro_end): New function.
  77         (Script_sections::place_orphan): Set or clear is_relro.
  78         (Script_sections::set_section_addresses): Force alignment of first
  79         TLS section.
  80         * yyscript.y (exp): Call script_data_segment_align and
  81         script_data_segment_relro_end.
  82         * testsuite/relro_script_test.t: New file.
  83         * testsuite/relro_test.cc (using_script): Declare.
  84         (t1, t2): Test using_script.
  85         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
  86         (relro_script_test_SOURCES): Define.
  87         (relro_script_test_DEPENDENCIES): Define.
  88         (relro_script_test_LDFLAGS): Define.
  89         (relro_script_test_LDADD): Define.
  90         (relro_script_test.so): New target.
  91         * testsuite/Makefile.in: Rebuild.
  92
  93 2008-08-06  Cary Coutant <ccoutant@google.com>
  94
  95         * archive.cc (Archive::total_archives, Archive::total_members)
  96         (Archive::total_members_loaded): New variables.
  97         (Archive::setup): Add parameter.  Add option to preread
  98         archive symbols.
  99         (Archive::read_armap): Add counter.
 100         (Archive::get_file_and_offset): New function.
 101         (Archive::get_elf_object_for_member): New function.
 102         (Archive::read_all_symbols): New function.
 103         (Archive::read_symbols): New function.
 104         (Archive::add_symbols): Add counters.
 105         (Archive::include_all_members): Use armap to find members if it's
 106         already built.
 107         (Archive::include_member): Skip reading symbols if already read.
 108         Factored code into Archive::get_file_and_offset and
 109         Archive::get_elf_object_for_member.  Changed call to
 110         Mapfile::report_include_archive_member.
 111         (Archive::print_stats): New function.
 112         * archive.h: Declare Object and Read_symbols_data classes.
 113         (Archive::Archive): Add initializers for new members.
 114         (Archive::setup): Add parameter.
 115         (Archive::print_stats): New function.
 116         (Archive::total_archives, Archive::total_members)
 117         (Archive::total_members_loaded): New variables.
 118         (Archive::get_file_and_offset): New function.
 119         (Archive::get_elf_object_for_member): New function.
 120         (Archive::read_all_symbols): New function.
 121         (Archive::read_symbols): New function.
 122         (Archive::Archive_member): New class.
 123         (Archive::members_): New member.
 124         (Archive::num_members_): New member.
 125         * main.cc: Include archive.h.
 126         (main): Call Archive::print_stats.
 127         * mapfile.cc (Mapfile::report_include_archive_member): Delete
 128         archive parameter; member_name is now the fully-decorated name.
 129         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
 130         * options.h: (General_options): Add --preread-archive-symbols option.
 131         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
 132         Archive::setup.
 133
 134 2008-08-04  Ian Lance Taylor  <iant@google.com>
 135
 136         * symtab.h (Symbol::use_plt_offset): New function.
 137         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
 138         * powerpc.cc (Relocate::relocate): Likewise.
 139         * sparc.cc (Relocate::relocate): Likewise.
 140         * x86_64.cc (Relocate::relocate): Likewise.
 141         * testsuite/weak_plt.sh: New test.
 142         * testsuite/weak_plt_main.cc: New test.
 143         * testsuite/weak_plt_shared.cc: New test.
 144         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
 145         (check_PROGRAMS): Add weak_plt.
 146         (check_DATA): Add weak_plt_shared.so.
 147         (weak_plt_main_pic.o, weak_plt): New targets.
 148         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
 149         * testsuite/Makefile.in: Rebuild.
 150
 151         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
 152         gcctestdir/ld.
 153         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
 154         * testsuite/Makefile.in: Rebuild.
 155
 156 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
 157
 158         * Makefile.am (POTFILES.in): Set LC_ALL=C.
 159         * Makefile.in: Regenerate.
 160         * po/POTFILES.in: Regenerate.
 161
 162 2008-07-29  Ian Lance Taylor  <iant@google.com>
 163
 164         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
 165         symbols before other symbols.
 166         * testsuite/script_test_2.cc (test_addr): Declare.
 167         (test_addr_alias): Declare.
 168         (main): Check that test_addr and test_addr_alias have the right
 169         values.
 170         * testsuite/script_test_2.t: Define test_addr_alias and
 171         test_addr.
 172
 173 2008-07-24  Ian Lance Taylor  <iant@google.com>
 174
 175         PR 5990
 176         * descriptors.cc: New file.
 177         * descriptors.h: New file.
 178         * gold-threads.h (class Hold_optional_lock): New class.
 179         * fileread.cc: Include "descriptors.h".
 180         (File_read::~File_read): Release descriptor rather than closing
 181         it.
 182         (File_read::open) [file]: Call open_descriptor rather than open.
 183         Set is_descriptor_opened_.
 184         (File_read::open) [memory]: Assert that descriptor is not open.
 185         (File_read::reopen_descriptor): New function.
 186         (File_read::release): Release descriptor.
 187         (File_read::do_read): Make non-const.  Reopen descriptor.
 188         (File_read::read): Make non-const.
 189         (File_read::make_view): Reopen descriptor.
 190         (File_read::do_readv): Likewise.
 191         * fileread.h (class File_read): Add is_descriptor_opened_ field.
 192         Update declarations.
 193         * layout.cc: Include "descriptors.h".
 194         (Layout::create_build_id): Use open_descriptor rather than open.
 195         * output.cc: Include "descriptors.h".
 196         (Output_file::open): Use open_descriptor rather than open.
 197         * archive.cc (Archive::const_iterator): Change Archive to be
 198         non-const.
 199         (Archive::begin, Archive::end): Make non-const.
 200         (Archive::count_members): Likewise.
 201         * archive.h (class Archive): Update declarations.
 202         * object.h (Object::read): Make non-const.
 203         * Makefile.am (CCFILES): Add descriptors.cc.
 204         (HFILES): Add descriptors.h.
 205         * Makefile.in: Rebuild.
 206
 207         PR 6716
 208         * gold.h: Always include <clocale>.  Add Solaris workarounds
 209         following code in binutils/sysdep.h.
 210
 211         PR 6048
 212         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
 213         this->eh_frame_hdr_ is NULL before using it.
 214
 215         * dynobj.cc (Versions::Versions): Update comment.
 216
 217         * dynobj.cc (Versions::Versions): If there is an soname, use it as
 218         the base version name.
 219
 220         * stringpool.cc (Stringpool_template::add_with_length): Set key to
 221         array size plus one.
 222         (Stringpool_template::set_string_offsets): Subtract one from key
 223         before using it as an array index.
 224         (Stringpool_template::get_offset_with_length): Likewise.
 225         (Stringpool_template::write_to_buffer): Likewise.
 226         * stringpool.h (Stringpool_template::get_offset_from_key):
 227         Likewise.
 228
 229 2008-07-23  Ian Lance Taylor  <iant@google.com>
 230
 231         PR 6658
 232         * object.h (Merged_symbol_value::value): Do our best to handle a
 233         negative addend.
 234
 235         PR 6647
 236         * script.cc (Version_script_info::get_versions): Don't add empty
 237         version tag to return value.
 238         (Version_script_info::get_symbol_version_helper): Change return
 239         type to bool.  Add pversion parameter.  Change all callers.
 240         (script_register_vers_node): Don't require a non-NULL tag.
 241         * script.h (class Version_script_info): Update declarations.
 242         (Version_script_info::get_symbol_version): Change return type to
 243         bool.  Add version parameter.  Change all callers.
 244         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
 245         handling.  Handle an empty version from a version script.
 246         (Symbol_table::define_special_symbol): Likewise.
 247         * testsuite/ver_test_10.script: New file.
 248         * testsuite/ver_test_10.sh: New file.
 249         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
 250         (check_DATA): Add ver_test_10.syms.
 251         (ver_test_10.syms, ver_test_10.so): New target.
 252         * testsuite/Makefile.in: Rebuild.
 253
 254 2008-07-23  Simon Baldwin  <simonb@google.com>
 255
 256         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
 257         to zero for undefined symbols from dynamic libraries.
 258
 259 2008-07-23  Ian Lance Taylor  <iant@google.com>
 260
 261         * symtab.cc (Symbol_table::resolve): Remove version parameter.
 262         Change all callers.
 263         * symtab.h (class Symbol_table): Update declaration.
 264         * testsuite/ver_test_9.cc: New file.
 265         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
 266         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
 267         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
 268         (ver_test_9.so, ver_test_9.o): New targets.
 269         * testsuite/Makefile.in: Rebuild.
 270
 271 2008-07-22  Ian Lance Taylor  <iant@google.com>
 272
 273         * options.h (class General_options): Define --check-sections.
 274         * layout.cc (Layout::set_segment_offsets): Handle
 275         --check-sections.
 276
 277         * options.h (class General_options): Define -n/--nmagic and
 278         -N/--omagic.
 279         * options.cc (General_options::finalize): For -n/--nmagic or
 280         -N/--omagic, set -static.
 281         * layout.cc (Layout::attach_allocated_section_to_segment): If
 282         -N/--omagic, don't put read-only and read-write sections in
 283         different segments.
 284         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
 285         finding a read-only segment.
 286         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
 287         don't set the minimum segment alignment to the common page size,
 288         and don't set the file offset to the address modulo the page size.
 289         * script-sections.cc (Script_sections::create_segments): If
 290         -n/--omagic, don't put read-only and read-write sections in
 291         different segments.
 292
 293         * cref.cc: New file.
 294         * cref.h: New file.
 295         * options.h (class General_options): Add --print-symbol-counts.
 296         * main.cc (main): Issue defined symbol report if requested.
 297         * archive.cc (Archive::interpret_header): Make into a const member
 298         function.
 299         (Archive::add_symbols): Call Input_objects::archive_start and
 300         archive_stop.
 301         (Archive::const_iterator): Define new class.
 302         (Archive::begin, Archive::end): New functions.
 303         (Archive::include_all_members): Rewrite to use iterator.
 304         (Archive::count_members): New function.
 305         * archive.h (class Archive): Update declarations.
 306         (Archive::filename): New function.
 307         * object.cc: Include "cref.h".
 308         (Sized_relobj::Sized_relobj): Initialize defined_count_.
 309         (Sized_relobj::do_get_global_symbol_counts): New function.
 310         (Input_objects::add_object): Add object to cross-referencer.
 311         (Input_objects::archive_start): New function.
 312         (Input_objects::archive_stop): New function.
 313         (Input_objects::print_symbol_counts): New function.
 314         * object.h: Declare Cref and Archive.
 315         (Object::get_global_symbol_counts): New function.
 316         (Object::do_get_global_symbol_counts): New pure virtual function.
 317         (class Sized_relobj): Add defined_count_ field.  Update
 318         declarations.
 319         (class Input_objects): Add cref_ field.  Update constructor.
 320         Update declarations.
 321         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
 322         defined_count_.
 323         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
 324         symbol counts.
 325         (Sized_dynobj::do_get_global_symbol_counts): New function.
 326         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
 327         defined_count_.  Update declarations.  Define Symbols typedef.
 328         * symtab.cc (Symbol_table::add_from_relobj): Add defined
 329         parameter.  Change all callers.
 330         (Symbol_table::add_from_dynobj): Add sympointers and defined
 331         parameters.  Change all callers.
 332         * symtab.h (class Symbol_table): Update declarations.
 333         * Makefile.am (CCFILES): Add cref.cc.
 334         (HFILES): Add cref.h.
 335         * Makefile.in: Rebuild.
 336
 337 2008-07-22  Simon Baldwin  <simonb@google.com>
 338
 339         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
 340         to zero when writing undefined symbols.
 341
 342 2008-07-22  Ian Lance Taylor  <iant@google.com>
 343
 344         * output.cc (Output_section::add_input_section): Don't try to
 345         merge empty merge sections.
 346
 347 2008-07-21  Craig Silverstein  <csilvers@google.com>
 348
 349         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
 350         Include symbol version in error message.
 351
 352 2008-07-20  Chris Demetriou  <cgd@google.com>
 353
 354         * configure.ac (gold_cv_c_random_seed): New configured variable.
 355         (RANDOM_SEED_CFLAGS): New substituted variable.
 356         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
 357         * configure: Rebuild.
 358         * Makefile.in: Likewise.
 359         * testsuite/Makefile.in: Likewise.
 360
 361 2008-07-18  Ian Lance Taylor  <iant@google.com>
 362
 363         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
 364         where we see NAME/NULL and NAME/VERSION  as separate symbols.
 365         * testsuite/ver_test_main.cc (main): Call t4.
 366         (t4, t4_2a): Define.
 367         * testsuite/ver_test_2.cc (t4_2): Define.
 368         * testsuite/ver_test_2.script: Put t4_2a in VER2.
 369         * testsuite/ver_test_4.cc (t4_2a): Define.
 370         * testsuite/ver_test_4.script: Put t4_2a in VER2.
 371         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
 372
 373 2008-07-17  Ian Lance Taylor  <iant@google.com>
 374
 375         * dynobj.cc (Versions::add_def): If we give an error about a
 376         missing version, go ahead and create the version anyhow.
 377
 378 2008-07-10  Ian Lance Taylor  <iant@google.com>
 379
 380         Handle output sections with more than 0x7fffffff bytes.
 381         * object.h (class Relobj): Change map_to_output_ to
 382         output_sections_, and just keep a section pointer.  Change all
 383         uses.  Move comdat group support to Sized_relobj.
 384         (Relobj::is_section_specially_mapped): Remove.
 385         (Relobj::output_section): Remove poff parameter.  Change all
 386         callers.
 387         (Relobj::output_section_offset): New function.
 388         (Relobj::set_section_offset): Rewrite.
 389         (Relobj::map_to_output): Remove.
 390         (Relobj::output_sections): New function.
 391         (Relobj::do_output_section_offset): New pure virtual function.
 392         (Relobj::do_set_section_offset): Likewise.
 393         (class Sized_relobj): Add section_offsets_ field.  Add comdat
 394         group support from Relobj.  Update declarations.
 395         (Sized_relobj::get_output_section_offset): New function.
 396         (Sized_relobj::do_output_section_offset): New function.
 397         (Sized_relobj::do_set_section_offset): New function.
 398         * object.cc (Relobj::output_section_address): Remove.
 399         (Sized_relobj::Sized_relobj): Initialize new fields.
 400         (Sized_relobj::include_section_group): Cast find_kept_object to
 401         Sized_relobj.
 402         (Sized_relobj::include_linkonce_section): Likewise.
 403         (Sized_relobj::do_layout): Use separate arrays for output section
 404         and output offset.
 405         (Sized_relobj::do_count_local_symbols): Change map_to_output to
 406         output_sections.
 407         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
 408         output_sections and section_offsets.
 409         (Sized_relobj::write_local_symbols): Likewise.
 410         (map_to_kept_section): Compute output address directly.
 411         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
 412         output_sections and section_offsets.
 413         (Sized_relobj::write_sections): Likewise.
 414         (Sized_relobj::relocate_sections): Likewise.
 415         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
 416         * output.h (class Output_reloc): Update declarations.  Change
 417         u2_.relobj to Sized_relobj*.
 418         (class Output_data_reloc): Change add functions to use
 419         Sized_relobj*.
 420         * output.cc (Output_reloc::Output_reloc): Change relobj to
 421         Sized_relobj*.
 422         (Output_reloc::local_section_offset): Change return type to
 423         Elf_Addr.  Use get_output_section_offset.
 424         (Output_reloc::get_address): Likewise.
 425         (Output_section::is_input_address_mapped): Don't call
 426         is_section_specially_mapped.
 427         (Output_section::output_offset): Likewise.
 428         (Output_section::output_address): Likewise.
 429         (Output_section::starting_output_address): Likewise.
 430         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
 431         parameter to Sized_relobj*.
 432         (Copy_relocs::need_copy_reloc): Likewise.
 433         (Copy_relocs::save): Likewise.
 434         * copy-relocs.h (class Copy_relocs): Update declarations.
 435         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
 436         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
 437         * target-reloc.h (relocate_for_relocatable): Change
 438         offset_in_output_section type to Elf_Addr.  Change code that uses
 439         it as well.
 440         * layout.cc (Layout::layout): Always set *off.
 441         * mapfile.cc (Mapfile::print_input_section): Use
 442         output_section_offset.
 443         * i386.cc (Target_i386::copy_reloc): Change object parameter to
 444         Sized_relobj*.
 445         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
 446         * sparc.cc (Target_sparc::copy_reloc): Likewise.
 447         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
 448
 449 2008-07-03  Ian Lance Taylor  <iant@google.com>
 450
 451         * layout.cc (Layout::include_section): Do not discard unrecognized
 452         SHT_STRTAB sections.
 453
 454 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
 455
 456         * script.cc (Lex::can_continue_name): Make '?' allowable in
 457         version-script names.
 458         * testsuite/version_script.map: Change glob pattern to use '?'
 459
 460 2008-06-30  Manish Singh  <yosh@gimp.org>
 461
 462         PR 6585
 463         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
 464         Correct typo.
 465
 466 2008-06-30  Ian Lance Taylor  <iant@google.com>
 467
 468         PR 6660
 469         PR 6682
 470         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
 471         versions]: Don't try to read the value in the contents, since we
 472         don't use it.  Use the template endianness when writing.
 473
 474 2008-06-25  Cary Coutant  <ccoutant@google.com>
 475
 476         * fileread.cc (File_read::make_view): Assert on zero-length view.
 477         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
 478         symbol table when there are no symbols to read.
 479
 480 2008-06-23  Craig Silverstein  <csilvers@google.com>
 481
 482         * version.cc (version_string): Bump to 1.7
 483
 484 2008-06-18  Craig Silverstein  <csilvers@google.com>
 485
 486         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
 487         constant 0xFFFF to type Valtype.
 488         (Powerpc_relocate_functions::rel16_ha): Likewise.
 489
 490 2008-06-17  Ian Lance Taylor  <iant@google.com>
 491
 492         * output.h (Output_section::Input_section): Initialize p2align_ to
 493         zero for Output_section_data constructors.
 494         (Output_section::Input_section::addralign): If not an input
 495         section, return the alignment of the Output_section_data.
 496         * testsuite/copy_test.cc: New file.
 497         * testsuite/copy_test_1.cc: New file.
 498         * testsuite/copy_test_2.cc: New file.
 499         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
 500         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
 501         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
 502         (copy_test_1_pic.o, copy_test_1.so): New targets.
 503         (copy_test_2_pic.o, copy_test_2.so): New targets.
 504         * testsuite/Makefile.in: Rebuild.
 505
 506         * script-sections.cc (Script_sections::place_orphan): Initialize
 507         local variable exact.
 508
 509 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
 510
 511         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
 512
 513 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
 514             David S. Miller  <davem@davemloft.net>
 515
 516         * powerpc.cc: New file.
 517         * Makefile.am (TARGETSOURCES): Add powerpc.cc
 518         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
 519         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
 520         * Makefile.in: Rebuild.
 521
 522 2008-06-09  Ian Lance Taylor  <iant@google.com>
 523
 524         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
 525         <exception>.
 526         (throwing, orig_terminate): New static variables.
 527         (terminate_handler): New static function.
 528         (t2): Set terminate handler.
 529
 530 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
 531
 532         PR 6584
 533         * binary.cc (Binary_to_elf::sized_convert): Fix .data
 534         alignment.
 535
 536 2008-05-30  Cary Coutant  <ccoutant@google.com>
 537
 538         * archive.cc (Archive::include_all_members) Correct to step
 539         over symbol table and extended name table in thin archives.
 540
 541 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
 542
 543         PR 6407
 544         * target-reloc.h (relocate_for_relocatable): Fix new_offset
 545         calculation.
 546
 547 2008-05-28  Caleb Howe  <cshowe@google.com>
 548
 549         * reduced_debug_output.cc: New file.
 550         * reduced_debug_output.h: New file.
 551         * options.h (class General_options): Add --strip-debug-non-line.
 552         * options.cc (General_options::finalize): Add strip_debug_non_line
 553         to the strip heirarchy.
 554         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
 555         fields.
 556         * layout.cc: Include "reduced_debug_output.h".
 557         (Layout::Layout): Initialize new fields.
 558         (line_only_debug_sections): New static array.
 559         (is_lines_only_debug_sections): New static inline function.
 560         (Layout::include_section): Handle --strip-debug-non-line.
 561         (Layout::make_output_section): If --strip-debug-non-line, build
 562         new output sections for .debug_abbrev and .debug_info.
 563         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
 564         gold.  Warn about possible overflow.
 565         (read_signed_LEB_128): Likewise.
 566         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
 567         (read_signed_LEB_128): Declare.
 568         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
 569         (HFILES): Add reduced_debug_output.h.
 570         * Makefile.in: Rebuild.
 571
 572 2008-05-21  Ian Lance Taylor  <iant@google.com>
 573
 574         * mapfile.cc: New file.
 575         * mapfile.h: New file.
 576         * options.h (class General_options): Add -M/--print-map and -Map.
 577         * options.cc (General_options::finalize): Make -M equivalent to
 578         -Map -.
 579         * main.cc: Include <cstdio> and "mapfile.h".
 580         (main): Open mapfile if requested.
 581         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
 582         constructor.  Change caller.
 583         (queue_initial_tasks): Add mapfile parameter.  Change caller.
 584         (queue_middle_tasks): Likewise.
 585         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
 586         declarations.
 587         * archive.cc: Include "mapfile.h".
 588         (Archive::add_symbols): Add mapfile parameter.  Change all
 589         callers.  Pass mapfile, symbol, and reason to include_member.
 590         (Archive::include_all_members): Add mapfile parameter.  Change all
 591         callers.
 592         (Archive::include_member): Add mapfile, sym, and why parameters.
 593         Change all callers.  Report inclusion to map file.
 594         * archive.h: Include "fileread.h".
 595         (class Archive): Update declarations.
 596         (Archive::file): New const method.
 597         (class Add_archive_symbols): Add mapfile_ field.  Update
 598         constructor.  Change all callers.
 599         * readsyms.h (class Read_symbols): Likewise.
 600         (class Finish_group): Likewise.
 601         (class Read_script): Likewise.
 602         * common.cc: Include "mapfile.h".
 603         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
 604         all callers.
 605         (Symbol_table::do_allocate_commons): Likewise.
 606         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
 607         symbol allocation to mapfile.
 608         * common.h (class Allocate_commons_task): Add mapfile_ field.
 609         Update constructor.  Change all callers.
 610         * symtab.h (class Symbol_table): Update declarations.
 611         * layout.cc: Include "mapfile.h".
 612         (Layout_task_runner::run): Print information to mapfile.
 613         (Layout::create_gold_note): Change Output_data_fixed_space to
 614         Output_data_zero_fill.
 615         (Layout::create_build_id): Likewise.
 616         (Layout::print_to_mapfile): New function.
 617         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
 618         constructor.  Change caller.
 619         (class Layout): Declare print_to_mapfile.
 620         * output.cc (Output_section::Input_section::print_to_mapfile): New
 621         function.
 622         (Output_section::add_input_section): If producing a map, always
 623         add to input_sections_ list.
 624         (Output_section::do_print_to_mapfile): New function.
 625         (Output_segment::print_sections_to_mapfile): New function.
 626         (Output_segment::print_section_list_to_mapfile): New function.
 627         * output.h: Include "mapfile.h".
 628         (Output_data::print_to_mapfile): New function.
 629         (Output_data::do_print_to_mapfile): New virtual function.
 630         (Output_segment_headers::do_print_to_mapfile): New function.
 631         (Output_file_header::do_print_to_mapfile): New function.
 632         (Output_data_const::do_print_to_mapfile): New function.
 633         (class Output_data_const_buffer): Add map_name_ field.  Update
 634         constructor.  Change all callers.  Add do_print_to_mapfile
 635         function.
 636         (class Output_data_fixed_space): Likewise.
 637         (class Output_data_space): Likewise.
 638         (class Output_data_zero_fill): New class.
 639         (Output_data_strtab::do_print_to_mapfile): New function.
 640         (Output_data_reloc_base::do_print_to_mapfile): New function.
 641         (Output_relocatable_relocs::do_print_to_mapfile): New function.
 642         (Output_data_group::do_print_to_mapfile): New function.
 643         (Output_data_got::do_print_to_mapfile): New function.
 644         (Output_data_dynamic::do_print_to_mapfile): New function.
 645         (Output_symtab_xindex::do_print_to_mapfile): New function.
 646         (class Output_section): Declare do_print_to_mapflie.  Declare
 647         print_to_mapfile in Input_section.
 648         (class Output_segment): Declare new functions.
 649         * object.h (Sized_relobj::symbol_count): New function.
 650         * script-sections.cc
 651         (Output_section_element_dot_assignment::set_section_addresses):
 652         Change Output_data_fixed_space to Output_data_zero_fill.
 653         (Output_data_expression::do_print_to_mapfile): New function.
 654         * script.cc (read_input_script): Add mapfile parameter.  Change
 655         all callers.
 656         * script.h (read_input_script): Update declaration.
 657         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
 658         (Eh_frame::do_print_to_mapfile): New function.
 659         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
 660         (Output_merge_string::do_print_to_mapfile): New function.
 661         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
 662         function.
 663         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
 664         function.
 665         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
 666         function.
 667         * Makefile.am (CCFILES): Add mapfile.cc.
 668         (HFILES): Add mapfile.h.
 669         * Makefile.in: Rebuild.
 670
 671 2008-05-19  Ian Lance Taylor  <iant@google.com>
 672
 673         * options.h (class General_options): Add -z relro.
 674         * layout.cc (Layout::Layout): Initialize relro_segment_.
 675         (Layout::add_output_section_data): Return the output section.
 676         (Layout::make_output_section): Rcognize relro sections and mark
 677         them appropriately.
 678         (Layout::attach_allocated_section_to_segment): Put relro sections
 679         in a PT_GNU_RELRO segment.
 680         (Layout::create_initial_dynamic_sections): Mark the .dynamic
 681         section as relro.
 682         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
 683         PT_TLS segments.
 684         (Layout::linkonce_mapping): Map d.rel.ro.local to
 685         .data.rel.ro.local.
 686         (Layout::output_section_name): Us .data.rel.ro.local for any
 687         section which begins with that.
 688         * layout.h (class Layout): Update add_output_section_data
 689         declaration.  Add relro_segment_ field.
 690         * output.cc (Output_section::Output_section): Initialize is_relro_
 691         and is_relro_local_ fields.
 692         (Output_segment::add_output_section): Group relro sections.
 693         (Output_segment::is_first_section_relro): New function.
 694         (Output_segment::maximum_alignment): If there is a relro section,
 695         align the segment to the common page size.
 696         (Output_segment::set_section_addresses): Track whether we are
 697         looking at relro sections.  If the last section is a relro
 698         section, align to the common page size.
 699         (Output_segment::set_section_list_addresses): Add in_relro
 700         parameter.  Change all callers.  Align to the page size when
 701         moving from relro to non-relro section.
 702         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
 703         segment.
 704         * output.h (class Output_section): Add is_relro_ and
 705         is_relro_local_ fields.
 706         (Output_section::is_relro): New function.
 707         (Output_section::set_is_relro): New function.
 708         (Output_section::is_relro_local): New function.
 709         (Output_section::set_is_relro_local): New function.
 710         (class Output_segment): Update declarations.
 711         * i386.cc (Target_i386::got_section): Mark .got section as relro.
 712         * sparc.cc (Target_sparc::got_section): Likewise.
 713         * x86_64.cc (Target_x86_64::got_section): Likewise.
 714         * testsuite/relro_test_main.cc: New file.
 715         * testsuite/relro_test.cc: New file.
 716         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
 717         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
 718         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
 719         (relro_test.so, relro_test_pic.o): New targets.
 720         * testsuite/Makefile.in: Rebuild.
 721
 722 2008-05-16  Ian Lance Taylor  <iant@google.com>
 723
 724         * output.cc (Output_segment::add_output_section): Remove front
 725         parameter.
 726         * output.h (class Output_segment): Remove
 727         add_initial_output_section and overloaded add_output_section.
 728         Update declaration of remaining add_output_section.
 729         * layout.cc (Layout::create_interp): Call add_output_section
 730         rather than add_initial_output_section.
 731         (Layout::finish_dynamic_section): Likewise.
 732
 733         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
 734         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
 735         know the dynamic type.
 736         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
 737         field.  Initialize it in constructor.
 738         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
 739         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
 740         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
 741         reloc.
 742
 743         * output.cc (Output_reloc::get_address): Change return type to
 744         Elf_Addr.
 745         * output.h (class Output_reloc): Update get_address declaration.
 746         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
 747         for section addresses.
 748
 749 2008-05-09  Ian Lance Taylor  <iant@google.com>
 750
 751         PR 6493
 752         * gold.cc (gold_nomem): Use return value of write.
 753
 754 2008-05-08  Ian Lance Taylor  <iant@google.com>
 755
 756         * symtab.c (Symbol::init_base_output_data): Add version
 757         parameter.  Change all callers.
 758         (Symbol::init_base_output_segment): Likewise.
 759         (Symbol::init_base_constant): Likewise.
 760         (Symbol::init_base_undefined): Likewise.
 761         (Sized_symbol::init_output_data): Likewise.
 762         (Sized_symbol::init_output_segment): Likewise.
 763         (Sized_symbol::init_constant): Likewise.
 764         (Sized_symbol::init_undefined): Likewise.
 765         (Symbol_table::do_define_in_output_data): If the new symbol has a
 766         version, mark it as the default.
 767         (Symbol_table::do_define_in_output_segment): Likewise.
 768         (Symbol_table::do_define_as_constant): Likewise.
 769         * symtab.h (class Symbol): Update declarations.
 770         (class Sized_symbol): Likewise.
 771         * resolve.cc (Symbol::override_version): New function.
 772         (Symbol::override_base): Call override_version.
 773         (Symbol::override_base_with_special): Likewise.
 774         * testsuite/ver_script_8.script: New file.
 775         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
 776         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
 777         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
 778         (ver_test_8_1.so, ver_test_8_2.so): New targets.
 779
 780 2008-05-06  Ian Lance Taylor  <iant@google.com>
 781
 782         PR 6049
 783         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
 784         functions.
 785         (class General_options): Remove existing --undefined, and add
 786         --no-undefined instead.  Add new --undefined as synonym for -u.
 787         * archive.cc (Archive::add_symbols): Check whether symbol was
 788         named with -u.
 789         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
 790         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
 791         all uses.  Add IS_UNDEFINED.  Update declarations to split
 792         different versions of init_base.  Declare init_base_undefined.
 793         (Symbol::is_defined): Handle IS_UNDEFINED.
 794         (Symbol::is_undefined): Likewise.
 795         (Symbol::is_weak_undefined): Call is_undefined.
 796         (Symbol::is_absolute): Handle IS_CONSTANT.
 797         (class Sized_symbol): Update declarations to split different
 798         versions of init.  Declare init_undefined.
 799         (class Symbol_table): Declare new functions.
 800         * symtab.cc (Symbol::init_base_object): Rename from init_base.
 801         Change all callers.
 802         (Symbol::init_base_output_data): Likewise.
 803         (Symbol::init_base_output_segment): Likewise.
 804         (Symbol::init_base_constant): Likewise.
 805         (Symbol::init_base_undefined): New function.
 806         (Sized_symbol::init_object): Rename from init.  Change all
 807         callers.
 808         (Sized_symbol::init_output_data): Likewise.
 809         (Sized_symbol::init_output_segment): Likewise.
 810         (Sized_symbol::init_constant): Likewise.
 811         (Sized_symbol::init_undefined): New function.
 812         (Symbol_table::add_undefined_symbols_from_command_line): New
 813         function.
 814         (Symbol_table::do_add_undefined_symbols_from_command_line): New
 815         function.
 816         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
 817         (Symbol::output_section): Likewise.
 818         (Symbol::set_output_section): Likewise.
 819         (Symbol_table::sized_finalize_symbol): Likewise.
 820         (Symbol_table::sized_write_globals): Likewise.
 821         * resolve.cc (Symbol_table::should_override): Likewise.
 822         (Symbol::override_base_with_special): Likewise.
 823
 824         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
 825         symbol, change it to have default visibility.
 826         * testsuite/protected_1.cc: New file.
 827         * testsuite/protected_2.cc: New file.
 828         * testsuite/protected_3.cc: New file.
 829         * testsuite/protected_main_1.cc: New file.
 830         * testsuite/protected_main_2.cc: New file.
 831         * testsuite/protected_main_3.cc: New file.
 832         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
 833         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
 834         (protected_1_LDFLAGS, protected_1_LDADD): Define.
 835         (protected_1.so): New target.
 836         (protected_1_pic.o, protected_2_pic.o): New targets.
 837         (protected_3_pic.o): New target.
 838         (check_PROGRAMS): Add protected_2.
 839         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
 840         (protected_2_LDFLAGS, protected_2_LDADD): Define.
 841         * testsuite/Makefile.in: Rebuild.
 842
 843         * options.h (DEFINE_var): Add set_user_set_##varname__.
 844         (DEFINE_bool_alias): New macro.
 845         (class General_options): Define -Bstatic using DEFINE_bool_alias
 846         rather than DEFINE_special.  Add --undefined as an alias for -z
 847         defs.
 848         * options.cc (General_options::parse_Bstatic): Remove.
 849
 850         * options.h (class General_options): Add --fatal-warnings.
 851         * main.cc (main): Implement --fatal-warnings.
 852         * errors.h (Errors::warning_count): New function.
 853
 854         * options.h (class General_options): Add -Bsymbolic-functions.
 855         * symtab.h (Symbol::is_preemptible): Check for
 856         -Bsymbolic-functions.
 857
 858 2008-05-05  Ian Lance Taylor  <iant@google.com>
 859
 860         * options.h (DEFINE_bool): For DASH_Z, create the negative option
 861         as noVARNAME rather than no-VARNAME.
 862         (class General_options): Add option -z combreloc.
 863         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
 864         get_address.
 865         (Output_reloc::sort_before) [SHT_REL]: New function.
 866         (Output_reloc::sort_before) [SHT_RELA]: New function.
 867         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
 868         Sort_relocs_comparison.
 869         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
 870         parameter.  Change all callers.
 871         (Output_data_reloc::Output_data_reloc) [both versions]: Add
 872         sort_relocs parameter.  Change all callers.
 873         * output.cc (Output_reloc::get_address): New function, broken out
 874         of write_rel.
 875         (Output_reloc::write_rel): Call it.
 876         (Output_reloc::compare): New function.
 877         (Output_data_reloc_base::do_write): Optionally sort relocs.
 878
 879         * configure.ac: If targ_extra_obj is set, link it in.
 880         * configure.tgt: Initialize all variables.
 881         (x86_64*): Set targ_extra_obj and targ_extra_size.
 882         * configure: Rebuild.
 883
 884         * object.cc (Sized_relobj::include_section_group): Adjust section
 885         indexes read from group data.  Build vector to pass to
 886         layout_group.
 887         * layout.cc (Layout::layout_group): Add flags and shndxes
 888         parameters.  Remove contents parameter.  Change caller.  Update
 889         explicit instantiations.
 890         * layout.h (class Layout): Update layout_group declaration.
 891         * output.cc (Output_data_group::Output_data_group): Add flags and
 892         input_shndxes parameters.  Remove contents parameter.  Change
 893         caller.
 894         (Output_data_group::do_write): Change input_sections_ to
 895         input_shndxes_.
 896         * output.h (class Output_data_group): Update constructor
 897         declaration.  Rename input_sections_ to input_shndxes_.
 898         * testsuite/many_sections_test.cc: Add template.
 899
 900 2008-04-30  Cary Coutant  <ccoutant@google.com>
 901
 902         * target-reloc.h (relocate_section): Fix dead-pointer bug.
 903
 904         * layout.cc (Layout::include_section): Refactored check for debug
 905         info section.
 906         (Layout::add_comdat): Add new parameters.  Change type
 907         of signature parameter.  Add object and shndx to signatures table.
 908         (Layout::find_kept_object): New function.
 909         * layout.h: Include <cstring>.
 910         (Layout::is_debug_info_section): New function.
 911         (Layout::add_comdat): Add new parameters.
 912         (Layout::find_kept_object): New function.
 913         (Layout::Kept_section): New struct.
 914         (Layout::Signatures): Change type of map range.
 915         * object.cc (Relobj::output_section_address): New function.
 916         (Sized_relobj::include_section_group): Add new parameters.  Change
 917         calls to Layout::add_comdat.  Change to build table of kept comdat
 918         groups and table mapping discarded sections to kept sections.
 919         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
 920         (Sized_relobj::do_layout): Change calls to include_section_group and
 921         include_linkonce_section.
 922         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
 923         value to zero when section is discarded.
 924         (Sized_relobj::map_to_kept_section): New function.
 925         * object.h (Relobj::output_section_address): New function.
 926         (Relobj::Comdat_group): New type.
 927         (Relobj::find_comdat_group): New function.
 928         (Relobj::Comdat_group_table): New type.
 929         (Relobj::Kept_comdat_section): New type.
 930         (Relobj::Kept_comdat_section_table): New type.
 931         (Relobj::add_comdat_group): New function.
 932         (Relobj::set_kept_comdat_section): New function.
 933         (Relobj::get_kept_comdat_section): New function.
 934         (Relobj::comdat_groups_): New field.
 935         (Relobj::kept_comdat_sections_): New field.
 936         (Symbol_value::input_value): Update comment.
 937         (Sized_relobj::map_to_kept_section) New function.
 938         (Sized_relobj::include_linkonce_section): Add new parameter.
 939         * target-reloc.h (Comdat_behavior): New type.
 940         (get_comdat_behavior): New function.
 941         (relocate_section): Add code to map a discarded section to the
 942         corresponding kept section when applying a relocation.
 943
 944 2008-04-30  Craig Silverstein  <csilvers@google.com>
 945
 946         * dwarf_reader.cc (next_generation_count): New static var.
 947         (Addr2line_cache_entry): New struct.
 948         (addr2line_cache): New static var.
 949         (Dwarf_line_info::one_addr2line): Added caching.
 950         (Dwarf_line_info::clear_addr2line_cache): New function.
 951         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
 952         cache-size parameter.
 953         (Dwarf_line_info::one_addr2line_cache): New function.
 954         * symtab.cc (Symbol_table::detect_odr_violations): Pass
 955         new cache-size argument to one_addr2line(), and clear cache.
 956
 957 2008-04-28  Cary Coutant  <ccoutant@google.com>
 958
 959         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
 960         R_386_PC8 relocations.
 961
 962 2008-04-23  Ian Lance Taylor  <iant@google.com>
 963
 964         * object.cc (Sized_relobj::include_section_group): Check for
 965         invalid section group.
 966
 967         * object.cc (make_elf_object): Correct test for 64-bit ELF file
 968         header size.
 969
 970         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
 971         than read for file header.
 972         * archive.cc (Archive::include_member): Likewise.
 973
 974 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
 975
 976         * aclocal.m4: Regenerate.
 977         * configure: Regenerate.
 978
 979 2008-04-19  Ian Lance Taylor  <iant@google.com>
 980
 981         * version.cc (version_string): Bump to 1.6.
 982
 983         * testsuite/Makefile.am (many_sections_r_test): New target.
 984         (many_sections_r_test_SOURCES): Remove.
 985         (many_sections_r_test_DEPENDENCIES): Remove.
 986         (many_sections_r_test_LDFLAGS): Remove.
 987         (many_sections_r_test_LDADD): Remove.
 988
 989         * object.cc (Sized_relobj::do_add_symbols): Always pass
 990         local_symbol_count_ to add_from_relobj.
 991
 992         * testsuite/Makefile.am (many_sections_check.h): Only check one in
 993         every thousand variables.
 994         * testsuite/Makefile.in: Rebuild.
 995
 996         * object.cc (Xindex::initialize_symtab_xindex): New function.
 997         (Xindex::read_symtab_xindex): New function.
 998         (Xindex::sym_xindex_to_shndx): New function.
 999         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1000         available.
1001         (Sized_relobj::do_initialize_xindex): New function.
1002         (Sized_relobj::do_read_symbols): Adjust section links.
1003         (Sized_relobj::symbol_section_and_value): Add is_ordinary
1004         parameter.  Change all callers.
1005         (Sized_relobj::include_section_group): Adjust section links and
1006         symbol section indexes.
1007         (Sized_relobj::do_layout): Adjust section links.
1008         (Sized_relobj::do_count_local_symbols): Adjust section links and
1009         symbol section indexes.
1010         (Sized_relobj::do_finalize_local_symbols): Distinguish between
1011         ordinary and special symbols.
1012         (Sized_relobj::write_local_symbols): Add symtab_xindex and
1013         dynsym_xindex parameters.  Change all callers.  Adjust section
1014         links.  Use SHN_XINDEX when needed.
1015         (Sized_relobj::get_symbol_location_info): Adjust section links.
1016         Don't get fooled by special symbols.
1017         * object.h (class Xindex): Define.
1018         (class Object): Add xindex_ parameter.  Declare virtual functoin
1019         do_initialize_xindex.
1020         (Object::adjust_sym_shndx): New function.
1021         (Object::set_xindex): New protected function.
1022         (class Symbol_value): Add is_ordinary_shndx_ field.
1023         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1024         (Symbol_value::value): Assert ordinary section.
1025         (Symbol_value::initialize_input_to_output_map): Likewise.
1026         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1027         Change all callers.
1028         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
1029         all callers.
1030         (class Sized_relobj): Update declarations.
1031         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1032         parameter.  Change all callers.
1033         (Sized_relobj::adjust_shndx): New function.
1034         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1035         field.
1036         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1037         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
1038         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
1039         (Sized_dynobj::read_dynsym_section): Adjust section links.
1040         (Sized_dynobj::read_dynamic): Likewise.
1041         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
1042         section links.
1043         (Sized_dynobj::do_initialize_xindex): New function.
1044         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
1045         do_initialize_xindex.
1046         (Sized_dynobj::adjust_shndx): New function.
1047         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1048         dynsym_xindex_ fields.
1049         (Layout::finalize): Add a call to set_section_indexes before
1050         creating the symtab sections.
1051         (Layout::set_section_indexes): Don't do anything if the section
1052         already has a section index.
1053         (Layout::create_symtab_sections): Add shnum parameter.  Change
1054         caller.  Create .symtab_shndx section if needed.
1055         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
1056         caller.
1057         (Layout::allocated_output_section_count): New function.
1058         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1059         needed.
1060         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1061         fields.  Update declarations.
1062         (Layout::symtab_xindex): New function.
1063         (Layout::dynsym_xindex): New function.
1064         (class Write_symbols_task): Add layout_ field.
1065         (Write_symbols_task::Write_symbols_task): Add layout parameter.
1066         Change caller.
1067         * output.cc (Output_section_headers::Output_section_headers): Add
1068         shstrtab_section parameter.  Change all callers.
1069         (Output_section_headers::do_sized_write): Store overflow values
1070         for section count and section string table section index in
1071         section header zero.
1072         (Output_file_header::do_sized_write): Check for overflow of
1073         section count and section string table section index.
1074         (Output_symtab_xindex::do_write): New function.
1075         (Output_symtab_xindex::endian_do_write): New function.
1076         * output.h (class Output_section_headers): Add shstrtab_section_.
1077         Update declarations.
1078         (class Output_symtab_xindex): Define.
1079         (Output_section::has_out_shndx): New function.
1080         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1081         field.
1082         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1083         Change all callers.
1084         (Sized_symbol::init): Likewise.
1085         (Symbol::output_section): Check for ordinary symbol.
1086         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
1087         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
1088         callers.
1089         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1090         Change all callers.  Simplify handling of symbols from sections
1091         not included in the link.
1092         (Symbol_table::add_from_dynobj): Handle ordinary symbol
1093         distinction.
1094         (Weak_alias_sorter::operator()): Assert that symbols are
1095         ordinary.
1096         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1097         distinction.
1098         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1099         parameters.  Change all callers.
1100         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
1101         symbol distinction.  Use SHN_XINDEX when needed.
1102         (Symbol_table::write_section_symbol): Add symtab_xindex
1103         parameter.  Change all callers.
1104         (Symbol_table::sized_write_section_symbol): Likewise.  Use
1105         SHN_XINDEX when needed.
1106         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
1107         declarations.
1108         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
1109         (Symbol::is_defined): Check is_ordinary.
1110         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1111         (Symbol::is_absolute, Symbol::is_common): Likewise.
1112         (class Sized_symbol): Update declarations.
1113         (class Symbol_table): Update declarations.
1114         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1115         parameters.  Change all callers.
1116         (Sized_symbol::override): Likewise.
1117         (Symbol_table::override): Likewise.
1118         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
1119         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
1120         is_ordinary, and orig_st_shndx parameters.  Change all callers.
1121         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1122         to be in an ordinary section.
1123         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1124         object and is_ordinary parameters.  Change all callers.
1125         (Sized_dwarf_line_info::read_relocs): Add object parameter.
1126         Change all callers.  Don't add undefined or non-ordinary symbols
1127         to reloc_map_.
1128         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1129         Change all callers.
1130         * dwarf_reader.h (class Sized_dwarf_line_info): Update
1131         declarations.
1132         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1133         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1134         (Sized_relobj::relocate_sections): Likewise.
1135         * target-reloc.h (scan_relocs): Adjust section symbol index.
1136         (scan_relocatable_relocs): Likewise.
1137         * i386.cc (Scan::local): Check for ordinary symbols.
1138         * sparc.cc (Scan::local): Likewise.
1139         * x86_64.cc (Scan::local): Likewise.
1140         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1141         to symbol_section_and_value.
1142         * testsuite/many_sections_test.cc: New file.
1143         * testsuite/Makefile.am (BUILT_SOURCES): Define.
1144         (check_PROGRAMS): Add many_sections_test.
1145         (many_sections_test_SOURCES): Define.
1146         (many_sections_test_DEPENDENCIES): Define.
1147         (many_sections_test_LDFLAGS): Define.
1148         (BUILT_SOURCES): Add many_sections_define.h.
1149         (many_sections_define.h): New target.
1150         (BUILT_SOURCES): Add many_sections_check.h.
1151         (many_sections_check.h): New target.
1152         (check_PROGRAMS): Add many_sections_r_test.
1153         (many_sections_r_test_SOURCES): Define.
1154         (many_sections_r_test_DEPENDENCIES): Define.
1155         (many_sections_r_test_LDFLAGS): Define.
1156         (many_sections_r_test_LDADD): Define.
1157         (many_sections_r_test.o): New target.
1158         * testsuite/Makefile.in: Rebuild.
1159
1160 2008-04-17  Cary Coutant  <ccoutant@google.com>
1161
1162         * errors.cc (Errors::info): New function.
1163         (gold_info): New function.
1164         * errors.h (Errors::info): New function.
1165         * gold.h (gold_info): New function.
1166         * object.cc (Input_objects::add_object): Print trace output.
1167         * options.cc (options::parse_set): New function.
1168         (General_options::parse_wrap): Deleted.
1169         (General_options::General_options): Deleted initializer.
1170         * options.h (options::String_set): New typedef.
1171         (options::parse_set): New function.
1172         (DEFINE_set): New macro.
1173         (General_options::wrap): Changed to use DEFINE_set. Changed
1174         callers of any_wrap_symbols and is_wrap_symbol.
1175         (General_options::trace, General_options::trace_symbol):
1176         New options.
1177         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1178         (General_options::wrap_symbols_): Deleted.
1179         * symtab.cc (Symbol_table::add_from_object): Print trace output.
1180
1181 2008-04-17  David S. Miller  <davem@davemloft.net>
1182
1183         * options.cc (General_options::parse_V): New function.
1184         * options.h: Add entries for -V and -Qy.
1185
1186 2008-04-17  Ian Lance Taylor  <iant@google.com>
1187
1188         * common.cc (Symbol_table::allocate_commons): Remove options
1189         parameter.  Change caller.
1190         (Symbol_table::do_allocate_commons): Remove options parameter.
1191         Change caller.  Just call do_allocate_commons_list twice.
1192         (Symbol_table::do_allocate_commons_list): New function, broken out
1193         of do_allocate_commons.
1194         * common.h (class Allocate_commons_task): Remove options_ field.
1195         Update constructor.
1196         * symtab.cc (Symbol_table::Symbol_table): Initialize
1197         tls_commons_.
1198         (Symbol_table::add_from_object): Put TLS common symbols on
1199         tls_commons_ list.
1200         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1201         which are IN_OUTPUT_DATA.
1202         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
1203         allocate_commons and do_allocate_commons declarations.  Declare
1204         do_allocate_commons_list.
1205         * gold.cc (queue_middle_tasks): Update creation of
1206         Allocate_commons_task to not pass options.
1207         * testsuite/Makefile.am (INCLUDES): Add -I.. .
1208         (TLS_TEST_C_FLAGS): New variable.
1209         (tls_test_c_pic.o): New target.
1210         (tls_test_shared.so): Link in tls_test_c_pic.o.
1211         (tls_test_c_pic_ie.o): New target.
1212         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1213         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1214         (tls_test_c.o): New target.
1215         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1216         (tls_pic_test_LDADD): Likewise.
1217         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1218         (tls_shared_gd_to_ie_test_LDADD): Likewise.
1219         (tls_test_c_gnu2.o): New target.
1220         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1221         tls_test_c_gnu2.o.
1222         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1223         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1224         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1225         * testsuite/tls_test.cc: Include "config.h".
1226         (t_last): Call t11_last.
1227         * testsuite/tls_test.h (t11, t11_last): Declare.
1228         * testsuite/tls_test_c.c: New file.
1229         * testsuite/tls_test_main.cc (thread_routine): Call t11.
1230         * configure.ac: Check for OpenMP support.
1231         * configure, config.in, Makefile.in: Rebuild.
1232         * testsuite/Makefile.in: Rebuild.
1233
1234 2008-04-16  Cary Coutant  <ccoutant@google.com>
1235
1236         * i386.cc (Target_i386::define_tls_base_symbol): New function.
1237         (Target_i386::tls_base_symbol_defined_): New field.
1238         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1239         (Target_i386::Scan::global): Likewise.
1240         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1241         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1242         (Target_x86_64::tls_base_symbol_defined_): New field.
1243         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1244         (Target_x86_64::Scan::global): Likewise.
1245
1246 2008-04-16  Cary Coutant  <ccoutant@google.com>
1247
1248         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1249         (Symbol::needs_plt_entry): Allow weak undefined symbols.
1250         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1251         building shared libraries.
1252         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1253         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1254         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1255         * testsuite/Makefile.in: Rebuild.
1256         * testsuite/weak_undef.h: New file.
1257         * testsuite/weak_undef_file1.cc: Add extra test cases.
1258         * testsuite/weak_undef_file2.cc: Likewise.
1259         * testsuite/weak_undef_test.cc: Likewise.
1260
1261 2008-04-16  David S. Miller  <davem@davemloft.net>
1262
1263         * sparc.cc (Target_sparc::Scan): Change from struct to class.
1264         Add issued_non_pic_error_ field.  Declare check_non_pic.
1265         (Target_sparc::Scan::check_non_pic): New function.
1266         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1267         (Target_sparc::Scan::global): Likewise.
1268
1269         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1270         * configure: Rebuild.
1271
1272         * options.h (DEFINE_enable): New macro.
1273         (new_dtags): New enable option.
1274         (initfirst, interpose, loadfltr, nodefaultlib,
1275         nodelete, nodlopen, nodump): New -z options.
1276         * layout.cc (Layout:finish_dynamic_section): If new
1277         dtags enabled, emit DT_RUNPATH.  Also, emit a
1278         DT_FLAGS_1 containing any specified -z flags.
1279
1280 2008-04-16  Ian Lance Taylor  <iant@google.com>
1281
1282         * copy-relocs.cc: New file.
1283         * copy-relocs.h: New file.
1284         * reloc.cc: Remove Copy_relocs code.
1285         * reloc.h: Likewise.
1286         * reloc-types.h (struct Reloc_types) [both versions]: Add
1287         get_reloc_addend_noerror.
1288         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1289         variants of add_global which take an addend which must be zero.
1290         * i386.cc: Include "copy-relocs.h".
1291         (class Target_i386): Change type of copy_relocs_ to variable,
1292         update initializer.
1293         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1294         Change all callers.
1295         (Target_i386::do_finalize_sections): Change handling of
1296         copy_relocs_.
1297         * sparc.cc: Include "copy-relocs.h".
1298         (class Target_sparc): Change type of copy_relocs_ to variable,
1299         update initializer.
1300         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1301         Change all callers.
1302         (Target_sparc::do_finalize_sections): Change handling of
1303         copy_relocs_.
1304         * x86_64.cc: Include "copy-relocs.h".
1305         (class Target_x86_64): Change type of copy_relocs_ to variable,
1306         update initializer.
1307         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1308         class.  Change all callers.
1309         (Target_x86_64::do_finalize_sections): Change handling of
1310         copy_relocs_.
1311         * Makefile.am (CCFILES): Add copy-relocs.cc.
1312         (HFILES): Add copy-relocs.h.
1313
1314         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
1315
1316         * testsuite/script_test_4.sh: Permit leading zeroes.
1317
1318 2008-04-15  Ian Lance Taylor  <iant@google.com>
1319
1320         * script-sections.cc (Script_sections::create_segments): Use
1321         header_size_adjustment even when there is enough room for the
1322         headers.
1323         * testsuite/script_test_4.sh: New file.
1324         * testsuite/script_test_4.t: New file.
1325         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
1326         (check_DATA): Add script_test_4.stdout.
1327         (MOSTLYCLEANFILES): Likewise.
1328         (script_test_4): New target.
1329         (script_test_4.stdout): New target.
1330         * testsuite/Makefile.in: Rebuild.
1331
1332         * sparc.cc: Add definitions for Output_data_plt_sparc class
1333         constants.
1334
1335 2008-04-14  David S. Miller  <davem@davemloft.net>
1336
1337         * sparc.cc: New file.
1338         * Makefile.am (TARGETSOURCES): Add sparc.cc
1339         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
1340         * configure.tgt: Document targ_extra_size and
1341         targ_extra_big_endian.  Add entries for sparc-* and
1342         sparc64-*.
1343         * configure.ac: Handle targ_extra_size and
1344         targ_extra_big_endian.
1345         * Makefile.in: Rebuild.
1346         * configure: Likewise.
1347         * po/POTFILES.in: Likewise.
1348         * po/gold.pot: Likewise.
1349
1350 2008-04-14  Ian Lance Taylor  <iant@google.com>
1351
1352         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
1353         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
1354         in the name/type/flags to section mapping.  Don't call
1355         allocate_output_section.
1356         (Layout::choose_output_section): Change parameter from adjust_name
1357         to is_input_section.  Don't permit input sections after sections
1358         are attached to segments.  Don't call allocate_output_section.
1359         (Layout::layout_eh_frame): Call update_flags_for_input_section,
1360         not write_enable_output_section.
1361         (Layout::make_output_section): Don't push to
1362         unattached_section_list_ nor call attach_to_segment.  Call
1363         attach_section_to_segment if sections are attached.
1364         (Layout::attach_sections_to_segments): New function.
1365         (Layout::attach_section_to_segment): New function.
1366         (Layout::attach_allocated_section_to_segment): Rename from
1367         attach_to_segment.  Remove flags parameter.
1368         (Layout::allocate_output_section): Remove function.
1369         (Layout::write_enable_output_section): Remove function.
1370         * layout.h (class Layout): Update for above changes.  Add new
1371         field sections_are_attached_.
1372         * output.h (Output_section::update_flags_for_input_section): New
1373         function.
1374         * output.cc (Output_section::add_input_section): Call
1375         update_flags_for_input_section.
1376         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
1377
1378 2008-04-11  Cary Coutant  <ccoutant@google.com>
1379
1380         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
1381         thought unnecessary.
1382         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
1383
1384 2008-04-11  Ian Lance Taylor  <iant@google.com>
1385
1386         * output.h (class Output_section_data): Remove inline definition
1387         of set_addralign.
1388         * output.cc (Output_section_data::set_addralign): New function.
1389
1390 2008-04-11  Cary Coutant  <ccoutant@google.com>
1391
1392         Add support for TLS descriptors for i386 and x86_64.
1393         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
1394         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
1395         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
1396         GOT_TYPE_TLS_DESC.
1397         (Target_i386::got_mod_index_entry): Remove unnecessary code.
1398         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
1399         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
1400         relocations.
1401         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
1402         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
1403         Fix problem with initial-exec relocations.
1404         (Target_i386::Relocate::relocate_tls): Likewise.
1405         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
1406         relaxation.
1407         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
1408         support for section-plus-offset dynamic table entries.
1409         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
1410         (Output_data_dynamic::Dynamic_entry): Add support for
1411         section-plus-offset dynamic table entries.
1412         (Output_data_dynamic::Classification): Likewise.
1413         (Output_data_dynamic::classification_): Renamed offset_.
1414         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
1415         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
1416         (Target_x86_64::make_plt_section): New function.
1417         (Target_x86_64::reserve_tlsdesc_entries): New function.
1418         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
1419         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
1420         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
1421         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
1422         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
1423         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
1424         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
1425         add extra PLT entry for TLS descriptors.
1426         (Output_data_plt_x86_64::got_): New field.
1427         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
1428         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
1429         fields.
1430         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
1431         descriptors.
1432         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
1433         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
1434         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
1435         R_386_TLS_DESC_CALL relocations.
1436         (Target_x86_64::Scan::global): Likewise.
1437         (Target_x86_64::do_finalize_sections): Add dynamic table entries
1438         for TLS descriptors.
1439         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
1440         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
1441         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
1442         GD-to-IE relaxation.
1443         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
1444         and TLS_DESCRIPTORS.
1445         * Makefile.in: Rebuild.
1446         * configure: Rebuild.
1447         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
1448         (tls_test_shared2.so): New target.
1449         (tls_shared_gd_to_ie_test_SOURCES): New variable.
1450         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
1451         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
1452         (tls_shared_gd_to_ie_test_LDADD): New variable.
1453         (tls_shared_gnu2_gd_to_ie_test): New target.
1454         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
1455         New targets.
1456         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
1457         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
1458         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
1459         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
1460         (tls_shared_gnu2_test): New target.
1461         (tls_test_gnu2_shared.so): New target.
1462         (tls_shared_gnu2_test_SOURCES): New variable.
1463         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
1464         (tls_shared_gnu2_test_LDFLAGS): New variable.
1465         (tls_shared_gnu2_test_LDADD): New variable.
1466         * testsuite/Makefile.in: Rebuild.
1467         * testsuite/Makefile.
1468
1469 2008-04-11  Ian Lance Taylor  <iant@google.com>
1470
1471         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
1472         justsyms.t.
1473         * testsuite/Makefile.in: Rebuild.
1474
1475         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
1476         long.
1477         * testsuite/script_test_2.cc (main): Adjust test.
1478
1479 2008-04-11  David S. Miller  <davem@davemloft.net>
1480             Ian Lance Taylor  <iant@google.com>
1481
1482         * options.h (General_options): Add entries for '-Y' and
1483         '-relax'.
1484         * options.cc (General_options:finalize): If -Y was used, add those
1485         entries to the library path instead of the default "/lib" and
1486         "/usr/lib".
1487
1488 2008-04-11  David S. Miller  <davem@davemloft.net>
1489
1490         * testsuite/justsyms.t: Start at 0x100.
1491         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
1492         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
1493         long.
1494         * testsuite/script_test_2.cc: Adjust string and section length
1495         checks.
1496
1497 2008-04-09  Ian Lance Taylor  <iant@google.com>
1498
1499         PR gold/5996
1500         * script-sections.cc (Sections_element::allocate_to_segment): Add
1501         orphan parameter.
1502         (Output_section_definition::allocate_to_segment): Likewise.
1503         (Orphan_output_section::allocate_to_segment): Likewise.
1504         (Script_sections::attach_sections_using_phdrs_clause): Don't
1505         propagate non-PT_LOAD segments to orphan sections.
1506         * testsuite/Makefile.am (script_test_3.stdout): Generate using
1507         readelf rather than objdump.
1508         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
1509         .interp section and PT_INTERP segment are the same size.
1510         * testsuite/Makefile.in: Rebuild.
1511
1512         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
1513         aliases for symbols defined in the same object.
1514         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
1515         (weak_alias_test_SOURCES): New variable.
1516         (weak_alias_test_DEPENDENCIES): New variable.
1517         (weak_alias_test_LDFLAGS): New variable.
1518         (weak_alias_test_LDADD): New variable.
1519         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
1520         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
1521         (weak_alias_test_3.o): New target.
1522         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
1523         * testsuite/weak_alias_test_main.cc: New file.
1524         * testsuite/weak_alias_test_1.cc: New file.
1525         * testsuite/weak_alias_test_2.cc: New file.
1526         * testsuite/weak_alias_test_3.cc: New file.
1527
1528 2008-04-08  Ian Lance Taylor  <iant@google.com>
1529
1530         * options.h (class General_options): Add --noinhibit-exec option.
1531         * main.cc (main): Check --noinhibit-exec.
1532
1533         * options.h (class General_options): Define --wrap as a special
1534         option.  Add wrap_symbols_ field.
1535         (General_options::any_wrap_symbols): New function.
1536         (General_options::is_wrap_symbol): New function.
1537         * options.cc (General_options::parse_wrap): New function.
1538         (General_options::General_options): Initialize wrap_symbols_.
1539         * symtab.cc (Symbol_table::wrap_symbol): New function.
1540         (Symbol_table::add_from_object): Handle --wrap.
1541         * symtab.h (class Symbol_table): Declare wrap_symbol.
1542         * target.h (Target::wrap_char): New function.
1543         (Target::Target_info): Add wrap_char field.
1544         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
1545         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1546         * testsuite/testfile.cc (Target_test::test_target_info):
1547         Likewise.
1548
1549         * errors.cc (Errors::undefined_symbol): Mention symbol version if
1550         there is one.
1551
1552         * layout.h (class Layout): Add added_eh_frame_data_ field.
1553         * layout.cc (Layout::Layout): Initialize new field.
1554         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
1555         output section until we find a section we merged successfully.
1556         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
1557         that the size be non-zero.
1558
1559         * merge.cc (Object_merge_map::get_output_offset): Remove inline
1560         qualifier.
1561
1562 2008-04-08  Craig Silverstein  <csilvers@google.com>
1563
1564         * configure.ac: Export new conditional variable HAVE_ZLIB.
1565         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
1566         on HAVE_ZLIB.
1567         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
1568         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1569
1570 2008-04-07  Ian Lance Taylor  <iant@google.com>
1571
1572         * version.cc (version_string): Set to "1.5".
1573
1574         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
1575         Add issued_non_pic_error_ field.  Declare check_non_pic.
1576         (Target_x86_64::Scan::check_non_pic): New function.
1577         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
1578         (Target_x86_64::Scan::global): Likewise.
1579
1580         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
1581         addend parameter.  Change caller.  Handle merge sections.
1582         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
1583         Address to Addend.  Don't add in the result of
1584         local_section_offset, pass down the addend and use the returned
1585         value.
1586         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
1587         Update declarations of local_section_offset and symbol_value.
1588         * testsuite/two_file_test_1.cc (t18): New function.
1589         * testsuite/two_file_test_2.cc (f18): New function.
1590         * testsuite/two_file_test_main.cc (main): Call t18.
1591         * testsuite/two_file_test.h (t18, f18): Declare.
1592
1593         * configure.ac: Don't test for objdump, c++filt, or readelf.
1594         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
1595         conditionals.
1596         (TEST_READELF): New variable.
1597         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
1598         (check_PROGRAMS): Add two_file_strip_test.
1599         (two_file_strip_test): New target.
1600         (check_PROGRAMS): Add two_file_same_shared_strip_test.
1601         (two_file_same_shared_strip_test_SOURCES): New variable.
1602         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
1603         (two_file_same_shared_strip_test_LDFLAGS): New variable.
1604         (two_file_same_shared_strip_test_LDADD): New variable.
1605         (two_file_shared_strip.so): New target.
1606         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
1607         (ver_test_5.syms, ver_test_7.syms): Likewise.
1608         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
1609         (strip_test_3.stdout): Use TEST_OBJDUMP.
1610         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1611
1612 2008-04-04  Cary Coutant  <ccoutant@google.com>
1613
1614         * symtab.h (Symbol::is_weak_undefined): New function.
1615         (Symbol::is_strong_undefined): New function.
1616         (Symbol::is_absolute): New function.
1617         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
1618         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
1619         absolute symbols.
1620         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
1621         (weak_undef_test): New target.
1622         * testsuite/Makefile.in: Rebuild.
1623         * testsuite/weak_undef_file1.cc: New file.
1624         * testsuite/weak_undef_file2.cc: New file.
1625         * testsuite/weak_undef_test.cc: New file.
1626
1627 2008-04-03  Craig Silverstein  <csilvers@google.com>
1628
1629         * compressed_output.h (class Output_compressed_section): Use
1630         unsigned buffer.
1631         * compressed_output.cc (zlib_compress): Use unsigned buffers,
1632         add zlib header.
1633         (zlib_compressed_suffix): Removed.
1634         (Output_compressed_section::set_final_data_size): Use unsigned
1635         buffers.
1636         * testsuite/Makefile.am (flagstest_compress_debug_sections):
1637         Fix linker invocation.
1638         (flagstest_o_specialfile_and_compress_debug_sections):
1639         Likewise.
1640         * testsuite/Makefile.in: Regenerated.
1641
1642 2008-04-02  David S. Miller  <davem@davemloft.net>
1643
1644         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
1645         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
1646
1647 2008-04-02  Craig Silverstein  <csilvers@google.com>
1648
1649         * TODO: New file.
1650
1651 2008-04-02  Ian Lance Taylor  <iant@google.com>
1652
1653         * fileread.cc (File_read::find_view): Add byteshift and vshifted
1654         parameters.  Update for new key type to views_.  Change all
1655         callers.
1656         (File_read::read): Adjust for byteshift in returned view.
1657         (File_read::add_view): New function, broken out of
1658         find_and_make_view.
1659         (File_read::make_view): New function, broken out of
1660         find_and_make_view.
1661         (File_read::find_or_make_view): Add offset and aligned
1662         parameters.  Rewrite accordingly.  Change all callers.
1663         (File_read::get_view): Add offset and aligned parameters.  Adjust
1664         for byteshift in return value.
1665         (File_read::get_lasting_view): Likewise.
1666         * fileread.h (class File_read): Update declarations.
1667         (class File_read::View): Add byteshift_ field.  Add byteshift to
1668         constructor.  Add byteshift method.
1669         * archive.h (Archive::clear_uncached_views): New function.
1670         (Archive::get_view): Add aligned parameter.  Change all callers.
1671         * object.h (Object::get_view): Add aligned parameter.  Change all
1672         callers.
1673         (Object::get_lasting_view): Likewise.
1674
1675         * fileread.cc (File_read::release): Don't call clear_views if
1676         there are multiple objects.
1677         * fileread.h (File_read::clear_uncached_views): New function.
1678         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
1679         on the archive.
1680
1681 2008-03-31  Cary Coutant  <ccoutant@google.com>
1682
1683         Add thin archive support.
1684         * archive.cc (Archive::armagt): New const.
1685         (Archive::setup): Remove task parameter and calls to unlock.
1686         (Archive::unlock_nested_archives): New function.
1687         (Archive::read_header): Add nested_off parameter. Change
1688         all callers.
1689         (Archive::interpret_header): Likewise.
1690         (Archive::include_all_members): Change to handle thin
1691         archives.
1692         (Archive::include_member): Likewise.
1693         * archive.h (Archive::Archive): Add new parameters and
1694         initializers.
1695         (Archive::armagt): New const.
1696         (Archive::setup): Remove task parameter.
1697         (Archive::unlock_nested_archives): New function.
1698         (Archive::read_header): Add nested_off parameter.
1699         (Archive::interpret_header): Likewise.
1700         (Archive::Nested_archive_table): New typedef.
1701         (Archive::is_thin_archive_): New field.
1702         (Archive::nested_archives_): New field.
1703         (Archive::options_): New field.
1704         (Archive::dirpath_): New field.
1705         (Archive::task_): New field.
1706         * readsyms.cc (Read_symbols::do_read_symbols): Add check
1707         for thin archives.  Pass additional parameters to
1708         Archive::Archive.  Unlock the archive file after calling
1709         Archive::setup.
1710
1711 2008-03-29  Ian Lance Taylor  <iant@google.com>
1712
1713         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
1714         version symbol to be local.
1715         * testsuite/ver_test_4.sh: New file.
1716         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
1717         (check_DATA): Add ver_test_4.syms.
1718         (ver_test_4.syms): New target.
1719         * testsuite/Makefile.in: Rebuild.
1720
1721         * output.cc
1722         (Output_section::Input_section_sort_entry::has_priority): New
1723         function.
1724         (Output_section::Input_section_sort_entry::match_file_name): New
1725         function.
1726         (Output_section::Input_section_sort_entry::match_section_name):
1727         Remove.
1728         (Output_section::Input_section_sort_entry::match_section_name_prefix):
1729         Remove.
1730         (Output_section::Input_section_sort_entry::match_section_file):
1731         Remove.
1732         (Output_section::Input_section_sort_compare::operator()): Rewrite
1733         using new Input_section_sort_entry functions.  Sort crtbegin and
1734         crtend first.  Sort sections with no priority before sections with
1735         a priority.
1736         * testsuite/initpri1.c (d3): Check j != 4.
1737         (cd5): New constructor/destructor function.
1738         (main): Check j != 2.
1739
1740         * symtab.cc (Symbol_table::add_from_object): If we don't use the
1741         new symbol when resolving, don't call set_is_default.
1742         * testsuite/ver_test_7.cc: New file.
1743         * testsuite/ver_test_7.sh: New file.
1744         * testsuite/Makefile.am (ver_test_7.so): New target.
1745         (ver_test_7.o): New target.
1746         (check_SCRIPTS): Add ver_test_7.sh.
1747         (check_DATA): Add ver_test_7.syms.
1748         (ver_test_7.syms): New target.
1749
1750 2008-03-28  Ian Lance Taylor  <iant@google.com>
1751
1752         * layout.cc (Layout::layout): If we see an input section with a
1753         name that needs sorting, set the must_sort flag for the output
1754         section.
1755         (Layout::make_output_section): If the name of the output section
1756         indicates that it might require sorting, set the may_sort flag.
1757         * output.h (Output_section::may_sort_attached_input_sections): New
1758         function.
1759         (Output_section::set_may_sort_attached_input_sections): New
1760         function.
1761         (Output_section::must_sort_attached_input_sections): New
1762         function.
1763         (Output_section::set_must_sort_attached_input_sections): New
1764         function.
1765         (class Output_section): Declare Input_section_sort_entry.  Define
1766         Input_section_sort_compare.  Declare
1767         sort_attached_input_sections.  Add new fields:
1768         may_sort_attached_input_sections_,
1769         must_sort_attached_input_sections_,
1770         attached_input_sections_are_sorted_.
1771         * output.cc (Output_section::Output_section): Initialize new
1772         fields.
1773         (Output_section::add_input_section): Add an entry to
1774         input_sections_ if may_sort or must_sort are true.
1775         (Output_section::set_final_data_size): Call
1776         sort_attached_input_sections if necessary.
1777         (Output_section::Input_section_sort_entry): Define new class.
1778         (Output_section::Input_section_sort_compare::operator()): New
1779         function.
1780         (Output_section::sort_attached_input_sections): New function.
1781         * configure.ac: Check whether the compiler supports constructor
1782         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
1783         * testsuite/initpri1.c: New file.
1784         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
1785         CONSTRUCTOR_PRIORITY.
1786         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
1787         (initpri1_LDFLAGS): New variable.
1788         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
1789
1790 2008-03-27  Ian Lance Taylor  <iant@google.com>
1791
1792         * common.cc (Sort_commons::operator): Correct sorting algorithm.
1793         * testsuite/common_test_1.c: New file.
1794         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
1795         (common_test_1_SOURCES): New variable.
1796         (common_test_1_DEPENDENCIES): New variable.
1797         (common_test_1_LDFLAGS): New variable.
1798
1799         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
1800         and commons_ correctly when NAME/VERSION does not override
1801         NAME/NULL.
1802         * testsuite/ver_test_6.c: New file.
1803         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
1804         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
1805         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
1806
1807 2008-03-26  Ian Lance Taylor  <iant@google.com>
1808
1809         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
1810         of an undefined symbol from a version script.
1811         * testsuite/Makefile.am (ver_test_5.so): New target.
1812         (ver_test_5.o): New target.
1813         (check_SCRIPTS): Add ver_test_5.sh.
1814         (check_DATA): Add ver_test_5.syms.
1815         (ver_test_5.syms): New target.
1816         * testsuite/ver_test_5.cc: New file.
1817         * testsuite/ver_test_5.script: New file.
1818         * testsuite/ver_test_5.sh: New file.
1819         * Makefile.in, testsuite/Makefile.in: Rebuild.
1820
1821         PR gold/5986
1822         Fix problems building gold with gcc 4.3.0.
1823         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
1824         (gold_error_at_location, gold_warning_at_location): Use it.
1825         * configure.ac: Check whether we can compile and use a template
1826         function with a printf attribute.
1827         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
1828         when jumping over bytes.
1829         * object.cc: Instantiate Object::read_section_data.
1830         * debug.h: Include <cstring>
1831         * dwarf_reader.cc: Include <algorithm>
1832         * main.cc: Include <cstring>.
1833         * options.cc: Include <cstring>.
1834         * output.cc: Include <cstring>.
1835         * script.cc: Include <cstring>.
1836         * script.h: Include <string>.
1837         * symtab.cc: Include <cstring> and <algorithm>.
1838         * target-select.cc: Include <cstring>.
1839         * version.cc: Include <string>.
1840         * testsuite/testmain.cc: Include <cstdlib>.
1841         * configure, config.in: Rebuild.
1842
1843 2008-03-25  Ian Lance Taylor  <iant@google.com>
1844
1845         * options.cc: Include "../bfd/bfdver.h".
1846         (options::help): Print bug reporting address.
1847
1848         * version.cc (print_version): Adjust output for current value of
1849         BFD_VERSION_STRING.
1850
1851         * NEWS: New file.
1852
1853         * options.cc (options::help): Print list of supported targets.
1854         * target-select.h: Include <vector>.
1855         (class Target_selector): Make machine_, size_, and is_big_endian_
1856         fields const.  Add bfd_name_ and instantiated_target_ fields.
1857         (Target_selector::Target_selector): Add bfd_name parameter.
1858         (Target_selector::recognize): Make non-virtual, call
1859         do_recognize.
1860         (Target_selector::recognize_by_name): Make non-virtual, call
1861         do_recognize_by_name.
1862         (Target_selector::supported_names): New function.
1863         (Target_selector::bfd_name): New function.
1864         (Target_selector::do_instantiate_target): New pure virtual
1865         function.
1866         (Target_selector::do_recognize): New virtual function.
1867         (Target_selector::do_recognize_by_name): New virtual function.
1868         (Target_selector::instantiate_target): New private function.
1869         (supported_target_names): Declare.
1870         * target-select.cc (Target_selector::Target_selector): Update for
1871         new parameter and fields.
1872         (select_target_by_name): Check that the name matches before
1873         calling recognize_by_name.
1874         (supported_target_names): New function.
1875         * i386.cc (class Target_selector_i386): Update Target_selector
1876         constructor call.  Remove recognize and recognize_by_name.  Add
1877         do_instantiate_target.
1878         * x86_64.cc (class Target_selector_x86_64): Likewise.
1879         * testsuite/testfile.cc (class Target_selector_test): Update for
1880         changes to Target_selector.
1881
1882         * README: Rewrite, with some notes on unsupported features.
1883
1884 2008-03-24  Cary Coutant  <ccoutant@google.com>
1885
1886         * i386.cc (Target_i386::Got_type): New enum declaration.
1887         (Target_i386::Scan::local): Updated callers of Output_data_got
1888         member functions.
1889         (Target_i386::Scan::global): Likewise.
1890         (Target_i386::Relocate::relocate): Likewise.
1891         (Target_i386::Relocate::relocate_tls): Likewise.
1892         * object.h (Got_offset_list): New class.
1893         (Sized_relobj::local_has_got_offset): Added got_type parameter.
1894         (Sized_relobj::local_got_offset): Likewise.
1895         (Sized_relobj::set_local_got_offset): Likewise.
1896         (Sized_relobj::local_has_tls_got_offset): Removed.
1897         (Sized_relobj::local_tls_got_offset): Removed.
1898         (Sized_relobj::set_local_tls_got_offset): Removed.
1899         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
1900         * output.cc (Output_data_got::add_global): Added got_type parameter.
1901         (Output_data_got::add_global_with_rel): Likewise.
1902         (Output_data_got::add_global_with_rela): Likewise.
1903         (Output_data_got::add_global_pair_with_rel): New function.
1904         (Output_data_got::add_global_pair_with_rela): New function.
1905         (Output_data_got::add_local): Added got_type parameter.
1906         (Output_data_got::add_local_with_rel): Likewise.
1907         (Output_data_got::add_local_with_rela): Likewise.
1908         (Output_data_got::add_local_pair_with_rel): New function.
1909         (Output_data_got::add_local_pair_with_rela): New function.
1910         (Output_data_got::add_global_tls): Removed.
1911         (Output_data_got::add_global_tls_with_rel): Removed.
1912         (Output_data_got::add_global_tls_with_rela): Removed.
1913         (Output_data_got::add_local_tls): Removed.
1914         (Output_data_got::add_local_tls_with_rel): Removed.
1915         (Output_data_got::add_local_tls_with_rela): Removed.
1916         * output.h (Output_data_got::add_global): Added got_type parameter.
1917         (Output_data_got::add_global_with_rel): Likewise.
1918         (Output_data_got::add_global_with_rela): Likewise.
1919         (Output_data_got::add_global_pair_with_rel): New function.
1920         (Output_data_got::add_global_pair_with_rela): New function.
1921         (Output_data_got::add_local): Added got_type parameter.
1922         (Output_data_got::add_local_with_rel): Likewise.
1923         (Output_data_got::add_local_with_rela): Likewise.
1924         (Output_data_got::add_local_pair_with_rel): New function.
1925         (Output_data_got::add_local_pair_with_rela): New function.
1926         (Output_data_got::add_global_tls): Removed.
1927         (Output_data_got::add_global_tls_with_rel): Removed.
1928         (Output_data_got::add_global_tls_with_rela): Removed.
1929         (Output_data_got::add_local_tls): Removed.
1930         (Output_data_got::add_local_tls_with_rel): Removed.
1931         (Output_data_got::add_local_tls_with_rela): Removed.
1932         * resolve.cc (Symbol::override_base_with_special): Removed
1933         reference to has_got_offset_ field.
1934         * symtab.cc (Symbol::init_fields): Replaced initialization
1935         of got_offset_ with got_offsets_.  Removed initialization
1936         of has_got_offset_
1937         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
1938         (Symbol::got_offset): Likewise.
1939         (Symbol::set_got_offset): Likewise.
1940         (Symbol::has_tls_got_offset): Removed.
1941         (Symbol::tls_got_offset): Removed.
1942         (Symbol::set_tls_got_offset): Removed.
1943         (Symbol::got_offset_): Removed.
1944         (Symbol::tls_mod_got_offset_): Removed.
1945         (Symbol::tls_pair_got_offset_): Removed.
1946         (Symbol::got_offsets_): New field.
1947         (Symbol::has_got_offset): Removed.
1948         (Symbol::has_tls_mod_got_offset): Removed.
1949         (Symbol::has_tls_pair_got_offset): Removed.
1950         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
1951         (Target_x86_64::Scan::local): Updated callers of Output_data_got
1952         member functions.
1953         (Target_x86_64::Scan::global): Likewise.
1954         (Target_x86_64::Relocate::relocate): Likewise.
1955         (Target_x86_64::Relocate::relocate_tls): Likewise.
1956
1957 2008-03-25  Ben Elliston  <bje@au.ibm.com>
1958
1959         * yyscript.y: Fix spelling error in comment.
1960
1961 2008-03-24  Ian Lance Taylor  <iant@google.com>
1962
1963         * options.h (class General_options): Define build_id option.
1964         * layout.h (class Layout): Declare write_build_id, create_note,
1965         create_build_id.  Add build_id_note_ member.
1966         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
1967         "libiberty.h", "md5.h", "sha1.h".
1968         (Layout::Layout): Initialize eh_frame_data_,
1969         eh_frame_hdr_section_, and build_id_note_.
1970         (Layout::finalize): Call create_build_id.
1971         (Layout::create_note): New function, broken out of
1972         Layout::create_gold_note.
1973         (Layout::create_gold_note): Call create_note.
1974         (Layout::create_build_id): New function.
1975         (Layout::write_build_id): New function.
1976         (Close_task_runner::run): Call write_build_id.
1977
1978         * x86_64.cc: Correct license to GPLv3.
1979
1980 2008-03-23  Ian Lance Taylor  <iant@google.com>
1981
1982         * options.cc: Include "demangle.h".
1983         (parse_optional_string): New function.
1984         (parse_long_option): Handle takes_optional_argument.
1985         (parse_short_option): Update dash_z initializer.  Handle
1986         takes_optional_argument.
1987         (General_options::General_options): Initialize do_demangle_.
1988         (General_options::finalize): Set do_demangle_.  Handle demangling
1989         style.
1990         * options.h (parse_optional_string): Declare.
1991         (struct One_option): Add optional_arg field.  Update constructor.
1992         Update call constructor calls.  Add takes_optional_argument
1993         function.
1994         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
1995         (DEFINE_optional_string): Define.
1996         (General_options::demangle): Change from DEFINE_bool to
1997         DEFINE_optional_string.
1998         (General_options::no_demangle): New function.
1999         (General_options::do_demangle): New function.
2000         (General_options::set_do_demangle): New function.
2001         (General_options::execstack_status_): Move definition to end of
2002         class definition.
2003         (General_options::static_): Likewise.
2004         (General_options::do_demangle_): New field.
2005         * object.cc (big_endian>::get_symbol_location_info): Call
2006         Options::do_demangle, not Options::demangle.
2007         * symtab.cc (demangle): Likewise.
2008
2009 2008-03-22  Ian Lance Taylor  <iant@google.com>
2010
2011         * gold.h: Include <cstddef> and <sys/types.h>
2012         * options.h: Include <cstring>.
2013
2014 2008-03-21  Ian Lance Taylor  <iant@google.com>
2015
2016         * Added source code to GNU binutils.
2017