gold/ChangeLog

   1 2010-01-21  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Arm_exidx_input_section): New class.
   4         (Arm_relobj::exidx_input_section_by_link,
   5         Arm_relobj::exidx_input_section_by_shndx,
   6         Arm_relobj::make_exidx_input_section): New methods.
   7         (read_arm_attributes_section): Remove.
   8         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
   9         information about them.
  10         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
  11         to here.
  12
  13 2010-01-20  Doug Kwan  <dougkwan@google.com>
  14
  15         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
  16         Input_section_specifier to Section_id.
  17         (Target_arm::new_arm_input_section: Adjust code for change of key
  18         type.
  19         (Target_arm::find_arm_input_section): Ditto.
  20         * gc.h (object.h): Include for Section_id nand Section_id_hash.
  21         (Section_id): Remove.
  22         (Garbage_collection::Section_id_hash): Remove.
  23         * icf.h (object.h): Include for Section_id nand Section_id_hash.
  24         (Section_id): Remove.
  25         (Icf::Section_id_hash): Remove.
  26         * object.h (Section_id, Const_section_id, Section_id_hash,
  27         Const_section_id_hash): New type definitions.
  28         * output.cc (Output_section::add_relaxed_input_section): Change to
  29         use Const_section_id instead of Input_section_specifier as key type.
  30         (Output_section::add_merge_input_section): Ditto.
  31         (Output_section::build_relaxation_map): Change to use Section_id
  32         instead of Input_section_specifier as key type.
  33         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
  34         Ditto.
  35         (Output_section::convert_input_sections_to_relaxed_sections): Change
  36         to use Const_section_id instead of Input_section_specifier as key type.
  37         (Output_section::find_merge_section): Ditto.
  38         (Output_section::find_relaxed_input_section): Ditto.
  39         * output.h (Input_section_specifier): Remove class.
  40         (Output_section::Output_section_data_by_input_section_map): Change
  41         key type to Const_section_id.
  42         (Output_section::Output_relaxed_input_section_by_input_section_map):
  43         Ditto.
  44         (Output_section::Relaxation_map): Change key type to Section_id.
  45
  46 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  47
  48         * gold/arm.cc: Added support for R_ARM_V4BX relocation
  49         (class Arm_v4bx_stub): New class.
  50         (DEF_STUBS): Updated definition to support v4_veneer_bx.
  51         (Stub_factory::make_arm_v4bx_stub): New method.
  52         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
  53         (Stub_table::empty): Handle v4bx stubs.
  54         (Stub_table::add_arm_v4bx_stub): New method.
  55         (Stub_table::find_arm_v4bx_stub): New method.
  56         (Arm_relocate_functions::v4bx): New method.
  57         (Target_arm::fix_v4bx): New method.
  58         (Target_arm::Target_arm): Handle R_ARM_V4BX.
  59         (Stub_table::relocate_stubs): Likewise.
  60         (Stub_table::do_write): Likewise.
  61         (Stub_table::update_data_size_and_addralign): Likewise.
  62         (Stub_table::finalize_stubs):  Likewise.
  63         (Target_arm::Scan::local): Likewise.
  64         (Target_arm::Scan::global): Likewise.
  65         (Target_arm::do_finalize_sections): Likewise.
  66         (Target_arm::Relocate::relocate): Likewise.
  67         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
  68         Likewise.
  69         (Target_arm::scan_reloc_for_stub): Likewise.
  70         (Target_arm::scan_reloc_section_for_stubs): Likewise.
  71
  72 2010-01-19  Ian Lance Taylor  <iant@google.com>
  73
  74         * output.cc (Output_section_headers::do_sized_write): Write large
  75         segment count to sh_info field.
  76         (Output_file_header::do_sized_write): For large segment count,
  77         write PN_XNUM to e_phnum field.
  78
  79 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  80
  81         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
  82         (Arm_relocate_functions::thm_jump8): New function.
  83         (Arm_relocate_functions::thm_jump11): New function.
  84         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
  85         R_ARM_THM_JUMP11.
  86         (Target_arm::Scan::global): Likewise.
  87         (Target_arm::Relocate::relocate): Likewise.
  88         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
  89         Likewise.
  90
  91 2010-01-14  Doug Kwan  <dougkwan@google.com>
  92
  93         * arm.cc (map, utility): Include headers.
  94         (Target_arm::apply_cortex_a8_workaround): New method.
  95         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
  96         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
  97         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
  98         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
  99         the --[no-]fix-cortex-a8 command line options.
 100         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
 101         (Target_arm::relocate_stub): Use addend in instruction template.
 102         * options.h (DEFINE_bool): Set the user-set flag.
 103         (General_options): Add --[no-]-fix-cortex options.
 104         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
 105         : Update fast look-up map after conversion.
 106
 107 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
 108
 109         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
 110         in the first pass of do_layout.
 111
 112 2010-01-13  Doug Kwan  <dougkwan@google.com>
 113
 114         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 115         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
 116         apparent compiler problem of not folding static constant integral
 117         data members of elfcpp::Elf_sizes<32>.
 118
 119 2010-01-13  Doug Kwan  <dougkwan@google.com>
 120
 121         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 122         Arm_relobj::section_needs_cortex_a8_stub_scanning,
 123         Arm_relobj::scan_section_for_cortex_a8_erratum,
 124         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
 125         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
 126         sections to scan for relocation stubs into a new method
 127         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
 128         relocation and Cortex-A8 stub scanning.
 129         (Target_arm::do_relax): Force stubs to be after stubbed sections
 130         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
 131         the beginning of a new relaxation pass.  Update a comment.
 132         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
 133
 134 2010-01-12  Ian Lance Taylor  <iant@google.com>
 135
 136         * target-reloc.h (visibility_error): New inline function.
 137         (relocate_section): Call visibility_error.
 138         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
 139         (MOSTLYCLEANFILES): Likewise.
 140         (protected_4_pic.o, protected_3.err): New targets.
 141         * testsuite/protected_4.cc: New file.
 142
 143 2010-01-12  Doug Kwan  <dougkwan@google.com>
 144
 145         * arm.cc (Cortex_a8_reloc): New class.
 146         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
 147         and cortex_a8_relocs_info_.
 148         (Target_arm::fix_cortex_a8): New method definition.
 149         (Target_arm::Cortex_a8_relocs_info): New type.
 150         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
 151         New data member declarations.
 152         (Target_arm::scan_reloc_for_stub): Record information about
 153         relocations for THUMB branches that might be exempted from the
 154         Cortex-A8 workaround.
 155         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
 156         at the beginning of a relaxation pass.
 157
 158 2010-01-12  Doug Kwan  <dougkwan@google.com>
 159
 160         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
 161         (Arm_relobj::Mapping_symbol_position,
 162          Arm_reloj::Mapping_symbol_position_less,
 163          Arm_relobj::Mapping_symbols_info): New types.
 164         (Target_arm::is_mapping_symbol_name): New method definition.
 165         (Arm_relobj::do_count_local_symbols): Save information about mapping
 166         symbols.
 167
 168 2010-01-11  Doug Kwan  <dougkwan@google.com>
 169
 170         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
 171         Arm_relocate_functions::thumb32_branch_upper,
 172         Arm_relocate_functions::thumb32_branch_lower,
 173         Arm_relocate_functions::thumb32_cond_branch_offset,
 174         Arm_relocate_functions::thumb32_cond_branch_upper,
 175         Arm_relocate_functions::thumb32_cond_branch_lower,
 176         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
 177         branch offset encoding.
 178         (Arm_relocate_functions::thumb_branch_common): Use new branch
 179         offset encoding methods to avoid code duplication.
 180         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
 181         (Stub_addend_reader::operator()): Use new branch encoding method
 182         to avoid code duplication.
 183
 184 2010-01-11  Doug Kwan  <dougkwan@google.com>
 185
 186         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
 187         (Target_arm::do_finalize_sections): Define special EXIDX section
 188         symbols only if referenced.
 189         * gc.h (Garbage_collection::add_reference): New method.
 190         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
 191         code duplication.
 192
 193 2010-01-11  Ian Lance Taylor  <iant@google.com>
 194
 195         * script.cc (Version_script_info::build_expression_list_lookup):
 196         Change complaing about duplicate wildcard match from error to
 197         warning.
 198
 199         * script.cc (class Lazy_demangler): Recreate--revert part of patch
 200         of 2009-12-30.
 201         (Version_script_info::Version_script_info): Initialize globs_,
 202         default_version_, default_is_global_, and exact_.  Don't
 203         initialize globals_ or locals_.
 204         (Version_script_info::build_lookup_tables): Build local symbols
 205         first.
 206         (Version_script_info::unquote): New function.
 207         (Version_script_info::add_exact_match): New function.
 208         (Version_script_info::build_expression_list_lookup): Remove lookup
 209         parameter.  Add is_global parameter.  Change all callers.  Handle
 210         wildcard pattern specially.  Unquote pattern.  Call
 211         add_exact_match.
 212         (Version_script_info::get_name_to_match): New function.
 213         (Version_script_info::get_symbol_version): New function.
 214         (Version_script_info::get_symbol_version_helper): Remove.
 215         (Version_script_info::check_unmatched_names): Call unquote.
 216         * script.h (class Version_script_info): Change get_symbol_version
 217         to be non-inline and add is_global parameter; change all callers.
 218         Rewrite symbol_is_local.  Update declarations.  Define struct
 219         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
 220         Remove globals_ and locals_ members.  Add exact_, globs_,
 221         default_version_, is_global_.
 222         (Version_script_info::Glob): Remove pattern, add expression and
 223         is_global.  Update constructor.  Change all callers.
 224         * dynobj.cc (Versions::finalize): Mark the version symbol as the
 225         default version.
 226         (Versions::symbol_section_contents): If a symbol is undefined, or
 227         defined in a dynamic object, set the version index to
 228         VER_NDX_LOCAL.
 229         * symtab.cc (Symbol_table::add_from_relobj): Don't call
 230         symbol_is_local.
 231         (Symbol_table::add_from_pluginobj): Likewise.
 232         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
 233
 234 2010-01-11  Doug Kwan  <dougkwan@google.com>
 235
 236         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
 237         (incremental_dump_LDADD): Add linking option for libintl.
 238         * Makefile.in: Regenerate.
 239
 240 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 241
 242         PR gold/11144
 243         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
 244         instead of -Ds.
 245         * testsuite/Makefile.in: Regenerated.
 246
 247 2010-01-10  Doug Kwan  <dougkwan@google.com>
 248
 249         * options.h (DEFINE_var): Use parentheses around argument varname__
 250         in macro body to avoid any unintended subsequent substitutions.
 251
 252 2010-01-10  Ian Lance Taylor  <iant@google.com>
 253
 254         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
 255         candidates before doing symbol resolution.
 256
 257         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
 258         ODR candidates if only one is weak.
 259
 260 2010-01-08  Ian Lance Taylor  <iant@google.com>
 261
 262         * script.cc (Version_script_info::build_expression_list_lookup):
 263         Don't warn about ambiguous version, just record the ambiguity.
 264         (Version_script_info::get_symbol_version_helper): Give error if
 265         version is ambiguous.
 266
 267 2010-01-08  Doug Kwan  <dougkwan@google.com>
 268
 269         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
 270           prev_data_size_ and prev_addralign_.  Remove initializer for
 271           deleted data member has_been_changed_.
 272           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
 273           to determine if the table is empty.
 274           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
 275           Remove.
 276           (Stub_table::add_reloc_stub): Define method in class definition
 277           instead of just declaring it there.
 278           (Stub_table::add_cortex_a8_stub): New method definition.
 279           (Stub_table::update_data_size_and_addralign): Ditto.
 280           (Stub_table::finalize_stubs): Ditto.
 281           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
 282           (Stub_table::do_addralign_): Return address alignment in the
 283           (Stub_table::do_reset_address_and_file_offset): Define method in
 284           class definition instead of declaring it there.  Set current data
 285           size to be the data size of the previous pass.
 286           (Stub_table::set_final_data_size): Use current data size as the
 287           final data size.
 288           (Stub_table::relocate_stub): Change parameter type of stub from
 289           Reloc_stub pointer to Stub pointer.
 290           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
 291           (Stub_table::Cortex_a8_stub_list): New typedef.
 292           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
 293            Stub_table::prev_addralign_): New data member.
 294           (Arm_relobj::Arm_relobj): Initialize data member
 295           section_has_cortex_a8_workaround_.
 296           (Arm_relobj::section_has_cortex_a8_workaround,
 297            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
 298            definitions.
 299           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
 300           declarations.
 301           (Target_arm::relocate_stub): Change parameter type of stub from
 302           Reloc_stub pointer to Stub pointer.
 303           (Insn_template::size, Insn_template::alignment): Handle
 304           THUMB16_SPECIAL_TYPE.
 305           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
 306            Stub_table::update_data_size_and_addralign,
 307            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
 308           definitions.
 309           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
 310           (Stub_table::do_write): Ditto.
 311           (Target_arm::do_relax): Adjust code for changes in Stub_table.
 312
 313 2010-01-08  Ian Lance Taylor  <iant@google.com>
 314
 315         PR 11108
 316         * symtab.h (class Symbol): Remove fields is_target_special_ and
 317         has_plt_offset_.  Add field is_defined_in_discarded_section_.
 318         (Symbol::is_defined_in_discarded_section): New function.
 319         (Symbol::set_is_defined_in_discarded_section): New function.
 320         (Symbol::has_plt_offset): Rewrite.
 321         (Symbol::set_plt_offset): Verify that new offset is not -1U.
 322         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
 323         Don't initialize is_target_special_ or has_plt_offset_.
 324         Initialize is_defined_in_discarded_section_.
 325         (Symbol_table::add_from_relobj): If appropriate, set
 326         is_defined_in_discarded_section.
 327         * resolve.cc (Symbol::override_base_with_special): Don't test
 328         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
 329         * target-reloc.h (relocate_section): Do special handling for
 330         symbols defined in discarded sections for global symbols as well
 331         as local symbols.
 332
 333 2010-01-08  Ian Lance Taylor  <iant@google.com>
 334
 335         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
 336         the SHT_SYMTAB case.
 337
 338 2010-01-08  Ian Lance Taylor  <iant@google.com>
 339
 340         * object.cc (Sized_relobj::do_layout): Don't get confused if
 341         layout_eh_frame returns NULL.
 342
 343 2010-01-08  Ian Lance Taylor  <iant@google.com>
 344
 345         PR 11084
 346         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
 347         dynamic symbol table, use the normal symbol table.
 348         (Sized_dynobj::do_read_symbols): Remove assertion about type of
 349         symbol table.
 350
 351 2010-01-08  Ian Lance Taylor  <iant@google.com>
 352
 353         PR 11072
 354         * layout.cc (Layout::include_section): Remove .gnu_debuglink
 355         sections.
 356
 357 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 358
 359         * version.cc (print_version): Change to "Copyright 2010".
 360
 361 2010-01-08  Ian Lance Taylor  <iant@google.com>
 362
 363         PR 10287
 364         PR 11063
 365         * i386.cc (class Target_i386): Change return type of plt_section
 366         to be non-const.
 367         (class Output_data_plt_i386): Add tls_desc_rel_ field.
 368         (Output_data_plt_i386::Output_data_plt_i386): Initialize
 369         tls_desc_rel_ field.
 370         (Output_data_plt_i386::rel_tls_desc): New function.
 371         (Target_i386::rel_tls_desc_section): New function.
 372         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
 373         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
 374         R_386_TLS_DESC reloc in rel_tls_desc_section.
 375         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
 376         Define struct Tlsdesc_info.
 377         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
 378         (Target_x86_64::do_reloc_symbol_index): New function.
 379         (Target_x86_64::add_tlsdesc_info): New function.
 380         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
 381         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
 382         tlsdesc_rel_ field.
 383         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
 384         all callers.
 385         (Output_data_plt_x86_64::rela_tlsdesc): New function.
 386         (Target_x86_64::rela_tlsdesc_section): New function.
 387         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
 388         handling.
 389         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
 390         (Target_x86_64::do_reloc_addend): New function.
 391         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
 392         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
 393         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
 394         (Output_reloc::type): New function.
 395         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
 396         (Output_reloc::is_target_specific): New function.
 397         (Output_reloc::target_arg): New function.
 398         (class Output_reloc) [SHT_RELA]: Add four new constructors for
 399         absolute relocs and target specific relocs.
 400         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
 401         add_target_specific.
 402         (class Output_data_reloc) [SHT_RELA]: Likewise.
 403         * output.cc (Output_reloc::Output_reloc): Add four new versions
 404         for absolute relocs and target specific relocs.
 405         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
 406         (Output_reloc::get_symbol_index): Likewise.
 407         (Output_reloc::local_section_offset): Check that local_sym_index_
 408         is not TARGET_CODE or 0.
 409         (Output_reloc::symbol_value): Likewise.
 410         (Output_reloc::write) [SHT_RELA]: Call target for target specific
 411         reloc.
 412         * target.h (class Target): Add reloc_symbol_index and reloc_addend
 413         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
 414         functions.
 415         * layout.cc (add_target_dynamic_tags): Use output section for
 416         DT_PLTRELSZ and DT_JMPREL.
 417
 418 2010-01-07  Ian Lance Taylor  <iant@google.com>
 419
 420         PR 11061
 421         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
 422         function.
 423         (class Output_data_reloc_generic): Define.
 424         (class Output_data_reloc_base): Change base class to
 425         Output_data_reloc_generic.  Change add() method to call
 426         bump_relative_reloc_count for a relative reloc.  Remove
 427         sort_relocs_ field.
 428         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
 429         to sort_relocs().
 430         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
 431         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
 432         appropriate.
 433         * layout.h (class Layout): Update declaration.
 434
 435 2010-01-07  Ian Lance Taylor  <iant@google.com>
 436
 437         * output.h (class Output_data): Add const version of
 438         output_section and do_output_section.
 439         (class Output_section_data): Add const version of
 440         do_output_section.
 441         (class Output_section): Likewise.
 442         * layout.cc (Layout::add_target_dynamic_tags): New function.
 443         * layout.h (class Layout): Update declarations.
 444         * arm.cc (Target_arm::do_finalize_sections): Use
 445         add_target_dynamic_tags.
 446         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 447         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 448         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 449         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 450
 451 2010-01-07  Ian Lance Taylor  <iant@google.com>
 452
 453         PR 11042
 454         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
 455         object as needed.
 456
 457 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
 458             Ian Lance Taylor  <iant@google.com>
 459
 460         PR 11019
 461         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
 462         Xindex::read_symtab_xindex.
 463
 464 2010-01-07  Doug Kwan  <dougkwan@google.com>
 465
 466         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
 467         (Insn_template::thumb16_bcond_insn): New method declaration.
 468         (Insn_template): Fix spelling.
 469         (Stub::thumb16_special): New method declaration.
 470         (Stub::do_write): Define virtual method which was previously pure
 471         virtual.
 472         (Stub::do_thumb16_special): New method declaration.
 473         (Stub::do_fixed_endian_write): New template member.
 474         (Reloc_stub::do_write): Remove.
 475         (Reloc_stub::do_fixed_endian_write): Remove.
 476         (Cortex_a8_stub): New class definition.
 477         (Stub_factory::make_cortex_a8_stub): New method definition.
 478         (Stub_factory::Stub_factory): Add missing static storage class
 479         qualifier for elf32_arm_stub_a8_veneer_blx.
 480
 481 2010-01-07  Ian Lance Taylor  <iant@google.com>
 482
 483         PR 10980
 484         * options.h (class General_options): Add --warn-unresolved-symbols
 485         and --error-unresolved-symbols.
 486         * errors.cc (Errors::undefined_symbol): Implement
 487         --warn-unresolved-symbols.
 488
 489         * options.h (class General_options): Add -z text and -z textoff.
 490         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
 491
 492 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
 493
 494         * gc.h (Garbage_collection::Cident_section_map): New typedef.
 495         (Garbage_collection::cident_sections): New function.
 496         (Garbage_collection::add_cident_section): New function.
 497         (Garbage_collection::cident_sections_): New member.
 498         (gc_process_relocs): Add references to sections whose names are C
 499         identifiers.
 500         * gold.h (cident_section_start_prefix): New constant.
 501         (cident_section_stop_prefix): New constant.
 502         (is_cident): New function.
 503         * layout.cc (Layout::define_section_symbols): Replace string constants
 504         with the newly defined constants.
 505         * object.cc (Sized_relobj::do_layout): Track sections whose names are
 506         C identifiers.
 507         * testsuite/Makefile.am: Add gc_orphan_section_test.
 508         * testsuite/Makefile.in: Regenerate.
 509         * testsuite/gc_orphan_section_test.cc: New file.
 510         * testsuite/gc_orphan_section_test.sh: New file.
 511
 512 2010-01-06  Ian Lance Taylor  <iant@google.com>
 513
 514         PR 10980
 515         * options.h (class General_options): Add --warn-shared-textrel.
 516         * layout.cc (Layout::finish_dynamic_section): Implement
 517         --warn-shared-textrel.
 518
 519         PR 10980
 520         * options.h (class General_options): Add --warn-multiple-gp.
 521
 522 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 523
 524         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
 525         $(THREADSLIB) and $(LIBDL).
 526         * Makefile.in: Rebuild.
 527
 528 2010-01-06  Ian Lance Taylor  <iant@google.com>
 529
 530         PR 10980
 531         * options.cc (General_options::parse_section_start): New function.
 532         (General_options::section_start): New function.
 533         (General_options::General_options): Initialize all members.
 534         * options.h: Include <map>
 535         (class General_options): Add --section-start.  Add section_starts_
 536         member.
 537         * layout.cc (Layout::attach_allocated_section_to_segment): If
 538         --section-start was used, set the address of the segment.  Remove
 539         local sort_sections.
 540         (Layout::relaxation_loop_body): If the address of the load segment
 541         has been set by --section-start, don't use it.
 542         * output.h (Output_segment::update_flags_for_output_section): New
 543         function.
 544         * output.cc (Output_segment::add_output_section): Call
 545         update_flags_for_output_section.
 546
 547 2010-01-05  Ian Lance Taylor  <iant@google.com>
 548
 549         PR 10980
 550         * options.h (class General_options): Add --undefined-version.
 551         * script.cc (struct Version_expression): Add was_matched_by_symbol
 552         field.
 553         (Version_script_info::matched_symbol): New function.
 554         (Version_script_info::get_symbol_version_helper): Call
 555         matched_symbol.
 556         (Version_script_info::check_unmatched_names): New function.
 557         * script.h (class Version_script_info): Update declarations.
 558         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 559
 560         * options.h (class General_options): Use DEFINE_bool_alias for
 561         allow_multiple_definition.
 562         * resolve.cc (Symbol_table::should_override): Don't test
 563         allow_multiple_definition.
 564
 565         PR 10980
 566         * options.h (class General_options): Add --cref.
 567         * main.cc (main): Print cref table if --cref.  Don't close mapfile
 568         until after printing cref table.
 569         * cref.cc: Include "symtab.h".
 570         (class Cref_inputs): Define Cref_table_compare and Cref_table.
 571         (Cref_table_compare::operator()): New function.
 572         (Cref_inputs::gather_cref): New function.
 573         (filecol): New static const.
 574         (Cref_inputs::print_cref): New function.
 575         (Cref::print_cref): New function.
 576         * cref.h: Include <cstdio>.
 577         (class Cref): Update declarations.
 578         * mapfile.h (Mapfile::file): New function.
 579         * object.h (class Object): Define Symbols.  Declare virtual
 580         do_get_global_symbols.
 581         (Object::get_global_symbols): New function.
 582         * object.cc (Input_objects::add_object): Pass object to cref_ if
 583         --cref.
 584         (Input_objects::archive_start): Likewise.
 585         (Input_objects::archive_stop): Likewise.
 586         (Input_objects::print_cref): New function.
 587         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 588         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 589         --cref.
 590         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 591         function.
 592         * plugin.h (class Sized_pluginobj): Update declarations.
 593
 594 2010-01-05  Ian Lance Taylor  <iant@google.com>
 595
 596         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 597         to is_default_version.  Rename insdef to insdefault.
 598         (Symbol_table::add_from_relobj): Rename def to is_default_version
 599         and local to is_forced_local.
 600         (Symbol_table::add_from_pluginobj): Likewise.
 601         (Symbol_table::add_from_dynobj): Likewise.
 602         (Symbol_table::define_special_symbol): Rename insdef to
 603         insdefault.
 604
 605 2010-01-04  Ian Lance Taylor  <iant@google.com>
 606
 607         PR 10980
 608         * options.h (class General_options): Add
 609         --allow-multiple-definition and -z muldefs.
 610         * resolve.cc (Symbol_table::should_override): Don't warn about a
 611         multiple symbol definition if --allow-multiple-definition or -z
 612         muldefs.
 613
 614         PR 10980
 615         * options.h (class General_options): Add --add-needed and
 616         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 617         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 618         error if --copy-dt-needed-entries aka --add-needed is used and
 619         would cause a change in behaviour.
 620
 621         PR 10980
 622         * options.h (class General_options): Add -G as a short version of
 623         --shared.  Add no-op options -assert, -g, and -i.
 624
 625 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 626
 627         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 628         check for .text or .gnu.linkonce.t sections.
 629         * icf.cc (Icf::find_identical_sections): Ditto.
 630         Change the detection for mangled function name within the section
 631         name.
 632         * icf.h (is_section_foldable_candidate): New function.
 633
 634 2009-12-30  Ian Lance Taylor  <iant@google.com>
 635
 636         PR 10980
 637         * options.h (class General_options): Permit two dashes with
 638         --retain-symbols-file.
 639
 640 2009-12-30  Ian Lance Taylor  <iant@google.com>
 641
 642         PR 10979
 643         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 644         don't put the file header and segment headers in the text
 645         segment.
 646
 647         PR 10979
 648         * common.cc (Sort_commons::operator()): Stabilize sort when both
 649         entries are NULL.
 650         (Symbol_table::do_allocate_commons_list): When allocating common
 651         symbols, skip a symbol which is no longer common.
 652         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 653         an object before checking its type.
 654         * testsuite/common_test_2.c: New file.
 655         * testsuite/common_test_3.c: New file.
 656         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 657         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 658         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 659         (common_test_2_pic.o, common_test_2.so): New targets.
 660         (common_test_3_pic.o, common_test_3.so): New targets.
 661         * testsuite/Makefile.in: Rebuild.
 662
 663         PR 10979
 664         * script.cc (read_input_script): If we see a new SECTIONS clause,
 665         and we have added an input section, give an error.
 666         * layout.h (class Layout): Add have_added_input_section function.
 667         Add have_added_input_section_ field.
 668         * layout.cc (Layout::Layout): Initialize
 669         have_added_input_section_.
 670         (Layout::layout): Set have_added_input_section_.
 671         (Layout::layout_eh_frame): Likewise.
 672
 673 2009-12-30  Ian Lance Taylor  <iant@google.com>
 674
 675         PR 10931
 676         * options.h (class General_options): Add --sort-common option.
 677         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 678         * common.cc (Sort_common): Add sort_order parameter to
 679         constructor.  Add sort_order_ field.
 680         (Sort_commons::operator): Check sort_order_.
 681         (Symbol_table::allocate_commons): Determine the sort order.
 682         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 683         Change all callers.
 684         (Symbol_table::do_allocate_commons_list): Likewise.
 685
 686 2009-12-30  Ian Lance Taylor  <iant@google.com>
 687
 688         PR 10916
 689         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 690         symbols from this object, don't change the visibility of an
 691         undefined symbol.
 692         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 693
 694 2009-12-30  Ian Lance Taylor  <iant@google.com>
 695
 696         PR 10861
 697         * script.h (class Version_script_info): Define Language enum.
 698         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 699         new fields globals_, locals_, and is_finalized_.
 700         * script.cc: Various formatting fixes.
 701         (class Parser_closure): Change language_stack_ from a vector of
 702         std::string to one of Version_script_info::Language.  Adjust all
 703         uses accordingly.
 704         (class Lazy_demangler): Remove.
 705         (struct Version_expression): Change language from std::string to
 706         Version_script_info::Language.
 707         (Version_script_info::Version_script_info): New function.
 708         (Version_script_info::~Version_script_info): Don't call clear.
 709         (Version_script_info::finalize): New function.
 710         (Version_script_info::build_lookup_tables): New function.
 711         (Version_script_info::build_expression_list_lookup): New
 712         function.
 713         (Version_script_info::get_symbol_version_helper): Rewrite to use
 714         lookup tables.
 715         (Version_script_info::print_expression_list): Adjust to use
 716         Version_script_info::Language.
 717         (script_push_lex_into_version_mode): Check that the version script
 718         has not been finalized.
 719         (version_script_push_lang): Change language string to
 720         Version_script_info::Language.
 721         * options.cc (Command_line::version_script): New function.
 722         * options.h (class General_options): Add finalize_dynamic_list
 723         function.  Change version_script from declaration to definition.
 724         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 725         * testsuite/version_script.map: Remove duplicate def of foo.
 726         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 727         version_script.map.
 728         * testsuite/Makefile.in: Rebuild.
 729
 730 2009-12-30  Ian Lance Taylor  <iant@google.com>
 731
 732         PR 10843
 733         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 734         if the input symbol index is 0, make the output symbol index 0.
 735
 736 2009-12-30  Ian Lance Taylor  <iant@google.com>
 737
 738         PR 10670
 739         * options.h (class General_options): Add -x/--discard-all.
 740         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 741         --discard-all.  If the local symbol needs a dynamic entry, check
 742         that before handling --discard-locals.
 743
 744 2009-12-30  Ian Lance Taylor  <iant@google.com>
 745
 746         PR 10450
 747         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 748         flags to PF_R.
 749         (Output_segment::add_output_section): Don't change the flags if
 750         the type is PT_TLS.
 751
 752         PR 10450
 753         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 754         GNU hash table if they need a dynamic value.  Otherwise, don't add
 755         them if they are defined in a dynamic object or are forced local.
 756
 757 2009-12-29  Ian Lance Taylor  <iant@google.com>
 758
 759         PR 10450
 760         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 761         .gnu.hash table for a 32-bit target.
 762
 763         PR 10450
 764         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 765         regular and a dynamic object only needs a dynamic symbol table
 766         entry if it is externally visible.
 767
 768         PR 10450
 769         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 770         constructor.  Add global_offset_table_ field.
 771         (Target_i386::got_section): Set global_offset_table_.
 772         (Target_i386::do_finalize_sections): Set global_offset_table_
 773         size.
 774         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 775         in constructor.  Add global_offset_table_ field.
 776         (Target_x86_64::got_section): Set global_offset_table_.
 777         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 778         size.
 779
 780         * layout.cc (Layout::Layout): Initialize increase_relro_.
 781         (Layout::get_output_section): Add is_relro, is_last_relro, and
 782         is_first_non_relro parameters.  Change all callers.
 783         (Layout::choose_output_section): Likewise.
 784         (Layout::add_output_section_data): Likewise.
 785         (Layout::make_output_section): Likewise.
 786         (Layout::set_segment_offsets): Clear increase_relro when using a
 787         linker script.
 788         * layout.h (class Layout): Add increase_relro method.  Add
 789         increase_relro_ field.  Update declarations.
 790         * output.cc (Output_section::Output_section): Initialize
 791         is_last_relro_ and is_first_non_relro_.
 792         (Output_segment::add_output_section): Group relro sections is
 793         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 794         (Output_segment::maximum_alignment): Remove relro handling.
 795         (Output_segment::set_section_addresses): Add increase_relro
 796         parameter.  Change all callers.  Add initial alignment to align
 797         relro sections on separate page.  Remove old relro handling.
 798         (Output_segment::set_section_list_addresses): Remove in_relro
 799         parameter.  Change all callers.
 800         (Output_segment::set_offset): Add increase parameter.  Change all
 801         callers.  Remove old relro handling.
 802         * output.h (class Output_section): Add new methods: is_last_relro,
 803         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 804         Add is_last_relro_ and is_first_non_relro_ fields.
 805         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 806         Create separate .got.plt section.  Call increase_relro.
 807         * x86_64.cc (Target_x86_64::got_section): Likewise.
 808         * testsuite/relro_script_test.t: Add .got.plt.
 809
 810         PR 10450
 811         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 812         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 813         (Layout::finalize): Call set_dynamic_symbol_size.
 814         (Layout::set_dynamic_symbol_size): New function.
 815         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 816         set_dynamic_symbol_size.
 817
 818         PR 10450
 819         * output.h (class Output_section): Add is_entsize_zero_ field.
 820         * output.cc (Output_section::Output_section): Initialize
 821         is_entsize_zero_.
 822         (Output_section::set_entsize): If two different entsizes are
 823         requested, force it to zero.
 824         (Output_section::add_input_section): Set flags for .debug_str
 825         before updating section flags.  Set entsize.
 826         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 827         and SHF_STRING if all input sections have those flags.
 828
 829 2009-12-29   Rafael Espindola  <espindola@google.com>
 830
 831         * main.cc (main): Fix the sys time reporting.
 832         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 833         reporting.
 834
 835 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 836
 837         * options.cc (General_options::parse_version): Allow -v to exit
 838         without an error if there is nothing to link.
 839
 840 2009-12-29  Ian Lance Taylor  <iant@google.com>
 841
 842         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 843         using a version of gcc before 4.1.
 844         * configure: Rebuild.
 845
 846 2009-12-28  Chris Demetriou  <cgd@google.com>
 847
 848         * attributes.cc (Output_attributes_section_data::do_write): Use
 849         std::vector::front rather than std::vector::data.
 850
 851 2009-12-28  Ian Lance Taylor  <iant@google.com>
 852
 853         * symtab.h (class Symbol_table): Add enum Defined.
 854         * resolve.cc (Symbol_table::should_override): Add defined
 855         parameter.  Change all callers.  Test whether object is NULL
 856         before calling a method on it.
 857         (Symbol_table::report_resolve_problem): Add defined parameter.
 858         Change all callers.
 859         (Symbol_table::should_override_with_special): Likewise.
 860         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 861         parameter.  Change all callers.
 862         (Symbol_table::do_define_in_output_data): Likewise.
 863         (Symbol_table::define_in_output_segment): Likewise.
 864         (Symbol_table::do_define_in_output_segment): Likewise.
 865         (Symbol_table::define_as_constant): Likewise.
 866         (Symbol_table::do_define_as_constant): Likewise.
 867         * script.h (class Symbol_assignment): Add is_defsym parameter to
 868         constructor; change all callers.
 869         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 870         parameter.  Change all callers.  Add is_defsym_ field.
 871         (class Parser_closure): Add parsing_defsym parameter to
 872         constructor; change all callers.  Add parsing_defsym accessor
 873         function.  Add parsing_defsym_ field.
 874
 875 2009-12-28  Ian Lance Taylor  <iant@google.com>
 876
 877         * gold.cc (queue_middle_tasks): Fix formatting.
 878         * object.cc (Relobj::is_section_name_included): Likewise.
 879
 880 2009-12-23  Ian Lance Taylor  <iant@google.com>
 881
 882         * i386.cc (Target_i386::do_calls_non_split): Recognize
 883         -fsplit-stack prologue for a function with a static chain.
 884         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 885         -fsplit-stack prologue when using %r11.
 886
 887 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 888
 889         * options.cc (General_options::parse_version): Make -v continue and do
 890         the link like GNU ld does.
 891
 892 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 893
 894         * Makefile.am (CCFILES): Add timer.cc.
 895         (HFILES): Add timer.h.
 896         * configure.ac: Check for sysconf and times.
 897         * main.cc: include timer.h.
 898         (main): Use Timer instead of get_run_time.
 899         * timer.cc: New.
 900         * timer.h: New.
 901         * workqueue.cc: include timer.h.
 902         (Workqueue::find_and_run_task):
 903         Report user, sys and wall time.
 904         * Makefile.in: Regenerate.
 905         * config.in: Regenerate.
 906         * configure: Regenerate.
 907
 908 2009-12-16  Doug Kwan  <dougkwan@google.com>
 909
 910         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 911         sections.
 912         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 913         relaxed input sections.
 914         * output.cc (Output_section::find_relaxed_input_section): Change
 915         return type to Output_relaxed_input_section pointer.  Adjust code
 916         for new type of relaxed_input_section_map_.
 917         * output.h (Output_section::find_relaxed_input_section): Change
 918         return type to Output_relaxed_input_section pointer.
 919         (Output_section::Output_relaxed_input_section_by_input_section_map):
 920         New type.
 921         (Output_section::relaxed_input_section_map_): Change type to
 922         Output_section::Output_relaxed_input_section_by_input_section_map.
 923         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 924         input section.
 925
 926 2009-12-15  Ian Lance Taylor  <iant@google.com>
 927
 928         * layout.cc (Layout::create_shstrtab): Only write out after input
 929         sections if we are compressing debug sections.
 930
 931 2009-12-15  Ian Lance Taylor  <iant@google.com>
 932
 933         * archive.cc (Archive::add_symbols): Only look up a symbol without
 934         a version if there is, in fact, a version.
 935
 936 2009-12-14  Ian Lance Taylor  <iant@google.com>
 937
 938         Revert -Wshadow changes, all changes from:
 939         2009-12-11  Doug Kwan  <dougkwan@google.com>
 940         2009-12-11  Nick Clifton  <nickc@redhat.com>
 941         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 942
 943 2009-12-11  Doug Kwan  <dougkwan@google.com>
 944
 945         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 946         due to -Wshadow.
 947         * attributes.cc (Object_attribute::size): Ditto.
 948         (Attributes_section_data::size): Ditto.
 949         (Attributes_section_data::Attributes_section_data): Ditto.
 950         (Output_attributes_section_data::do_write): Ditto.
 951         * attributes.h (Object_attribute::set_type): Ditto.
 952         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 953
 954 2009-12-11  Nick Clifton  <nickc@redhat.com>
 955
 956         * archive.cc: Fix shadowed variable warnings.
 957         * arm.cc: Likewise.
 958         * compressed_output.cc: Likewise.
 959         * compressed_output.h: Likewise.
 960         * configure: Likewise.
 961         * dwarf_reader.cc: Likewise.
 962         * dynobj.cc: Likewise.
 963         * dynobj.h: Likewise.
 964         * ehframe.cc: Likewise.
 965         * ehframe.h: Likewise.
 966         * errors.cc: Likewise.
 967         * expression.cc: Likewise.
 968         * fileread.cc: Likewise.
 969         * fileread.h: Likewise.
 970         * freebsd.h: Likewise.
 971         * i386.cc: Likewise.
 972         * icf.cc: Likewise.
 973         * incremental.h: Likewise.
 974         * layout.cc: Likewise.
 975         * layout.h: Likewise.
 976         * mapfile.cc: Likewise.
 977         * merge.cc: Likewise.
 978         * merge.h: Likewise.
 979         * object.cc: Likewise.
 980         * object.h: Likewise.
 981         * options.h: Likewise.
 982         * output.cc: Likewise.
 983         * output.h: Likewise.
 984         * parameters.cc: Likewise.
 985         * plugin.cc: Likewise.
 986         * powerpc.cc: Likewise.
 987         * reduced_debug_output.cc: Likewise.
 988         * reduced_debug_output.h: Likewise.
 989         * reloc.cc: Likewise.
 990         * reloc.h: Likewise.
 991         * resolve.cc: Likewise.
 992         * script-sections.cc: Likewise.
 993         * script.cc: Likewise.
 994         * script.h: Likewise.
 995         * sparc.cc: Likewise.
 996         * symtab.cc: Likewise.
 997         * symtab.h: Likewise.
 998         * target-select.cc: Likewise.
 999         * target-select.h: Likewise.
1000         * token.h: Likewise.
1001         * workqueue.cc: Likewise.
1002         * workqueue.h: Likewise.
1003         * x86_64.cc: Likewise.
1004
1005 2009-12-10  Doug Kwan  <dougkwan@google.com>
1006
1007         * arm.cc (attributes.h): New include.
1008         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1009         (Arm_relobj::~Arm_relobj): Delete object pointed by
1010         attributes_section_data_.
1011         (Arm_relobj::attributes_section_data): New method definition.
1012         (Arm_relobj::attributes_section_data_): New data member declaration.
1013         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1014         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1015         attributes_section_data_.
1016         (Arm_dynobj::attributes_section_data): New method definition.
1017         (Arm_dynobj::attributes_section_data_): New data member declaration.
1018         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1019         initialization value of may_use_blx_ to false.
1020         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1021         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1022         object attributes to compute results instead of hard-coding.
1023         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1024         Target_arm::get_secondary_compatible_arch,
1025         Target_arm::set_secondary_compatible_arch
1026         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1027         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1028         New method declarations.
1029         (Target_arm::get_aeabi_object_attribute): New method definition.
1030         (Target_arm::attributes_section_data_): New data member declaration.
1031         (read_arm_attributes_section): New template definition.
1032         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1033         (Arm_dynobj::do_read_symbols): Ditto.
1034         (Target_arm::do_finalize_sections): Merge attributes sections from
1035         input.  Check for BLX use after attributes section merging.
1036         Fix __exidx_start and __exidx_end visibility.  Create an
1037         .ARM.attributes section if necessary.
1038         (Target_arm::get_secondary_compatible_arch,
1039         Target_arm::set_secondary_compatible_arch,
1040         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1041         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1042         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1043         New method definitions.
1044
1045 2009-12-09  Ian Lance Taylor  <iant@google.com>
1046
1047         * plugin.cc (Plugin::load): Don't cast from void* to a function
1048         pointer.
1049
1050 2009-12-09  Ian Lance Taylor  <iant@google.com>
1051
1052         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1053         information fields.
1054
1055 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1056
1057         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1058         Replace two_file_shared_1.so with two_file_shared_2.so.
1059         * testsuite/Makefile.in: Regenerated.
1060
1061 2009-12-08  Doug Kwan  <dougkwan@google.com>
1062
1063         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1064         (HFILES): Add attributes.h and int_encoding.h.
1065         * Makefile.in: Regenerate.
1066         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1067         function definitions to int_encoding.cc
1068         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1069         prototypes to int_encoding.h
1070         * reduced_debug_output.cc (int_encoding.h): New include.
1071         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1072         function definitions to int_encoding.cc
1073         (insert_into_vector, read_from_pointer): Move template definitions to
1074         int_encoding.h
1075         * attributes.cc: New file.
1076         * attributes.h: New file.
1077         * int_encoding.cc: New file.
1078         * int_encoding.h: New file.
1079
1080 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1081
1082         PR gold/11055
1083         * incremental-dump.cc (dump_incremental_inputs): New.
1084         (main): Use dump_incremental_inputs.
1085
1086 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1087
1088         PR gold/10893
1089         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1090         checking elfcpp::STT_FUNC.
1091         (Target_i386::Relocate::relocate): Likewise.
1092         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1093
1094         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1095         symbols from shared libraries into normal FUNC symbols.
1096
1097         * symtab.h (Symbol): Add is_func and use it.
1098
1099 2009-12-05  Doug Kwan  <dougkwan@google.com>
1100
1101         * arm.cc (Target_arm::arm_info): Initialize new fields
1102         attributes_section and attributes_vendor.
1103         * i386.cc (Target_i386::i386_info): Same.
1104         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1105         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1106         fields attributes_section and attributes_vendor.
1107         * sparc.cc (Target_sparc::sparc_info): Same.
1108         * target.h (Target::attributes_section, Target::attributes_vendor,
1109         Target::is_attributes_section, Target::attribute_arg_type,
1110         Target::attributes_order): New method definitions.
1111         (Target::Target_info::attributes_section,
1112         Target::Target_info::attributes_vendor): New fields.
1113         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1114         virtual method definitions.
1115         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1116         attributes_section and attributes_vendor.
1117         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1118
1119 2009-12-05  Doug Kwan  <dougkwan@google.com>
1120
1121         * arm.cc: Update comments about interworking and stub generation.
1122         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1123         considered as non-PIC.
1124         (Arm_relocate_functions::base_abs): Fix formatting.
1125         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1126         of function to use GOT entry address instead of offset.
1127         (Target_arm::Scan::global): Issue an error if a symbol would need a
1128         PLT does not get one because it is untyped.  Remove code to create
1129         dynamic symbols for relative branches.
1130         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1131         takes unsigned integer instead of boolean.
1132
1133 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1134
1135         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1136         (two_file_test_LDADD): Likewise.
1137         (common_test_1_LDADD): Likewise.
1138         (exception_test_LDADD) Likewise.
1139         (weak_test_LDADD): Likewise.
1140         (many_sections_test_LDADD): Likewise.
1141         (initpri1_LDADD): Likewise.
1142         (script_test_1_LDADD): Likewise.
1143         (script_test_2_LDADD): Likewise.
1144         (justsyms_LDADD): Likewise.
1145         (binary_test_LDADD): Likewise.
1146         (large_LDADD): Likewise.
1147         * testsuite/Makefile.in: Regenerated.
1148
1149 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1150
1151         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1152         (Symbol_table::override_with_special): Likewise.
1153         (Symbol_table::add_from_object): Likewise.
1154
1155 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1156
1157         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1158         Don't set the data_offset twice.
1159
1160 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1161
1162         * testsuite/Makefile.in: Regenerate.
1163
1164 2009-12-03  Doug Kwan  <dougkwan@google.com>
1165
1166         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1167         (Target_arm::do_finalize_sections): Add parameter for symbol table
1168         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1169         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1170         parameter for symbol table pointer.
1171         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1172         an additional parameter for a pointer to symbol table.
1173         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1174         parameter for a symbol table pointer.
1175         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1176         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1177         Ditto.
1178         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1179         parameter for a symbol table pointer.
1180
1181 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1182
1183         * incremental.cc (Incremental_inputs_header)
1184         (Incremental_inputs_header_write, Incremental_inputs_entry)
1185         (Incremental_inputs_entry_write): Move ...
1186         * incremental.h (Incremental_inputs_header)
1187         (Incremental_inputs_header_write, Incremental_inputs_entry)
1188         (Incremental_inputs_entry_write): here.
1189
1190 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1191
1192         * incremental.cc (make_sized_incremental_binary): Set the target.
1193         Error if it is incompatible.
1194         * output.h (Output_file): Add filename method.
1195
1196 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1197
1198         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1199         from the get_* methods.
1200
1201 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1202
1203         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1204         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1205         Write 0 for the data_offset of scripts.
1206
1207 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1208
1209         * testsuite/Makefile.am: Add the incremental_test.sh test.
1210         * testsuite/incremental_test.sh: New.
1211         * testsuite/incremental_test_1.c: New.
1212         * testsuite/incremental_test_2.c: New.
1213
1214 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1215
1216        * incremental-dump.cc (main): Fix typos.
1217
1218 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1219
1220         PR gold/11025
1221         * incremental-dump.cc (main): Use llu to print 64 bit values.
1222
1223 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
1224             H.J. Lu  <hongjiu.lu@intel.com>
1225
1226         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1227         $(LIBDL).
1228         (incremental_dump_LDADD): Likewise.
1229         * Makefile.in: Regenerated.
1230
1231 2009-11-25  Doug Kwan  <dougkwan@google.com>
1232
1233         Revert:
1234
1235         2009-11-25  Doug Kwan  <dougkwan@google.com>
1236
1237                 * arm.cc (Target_arm::Target_arm): Move method definition
1238                 outside of class definition.  Add code to handle
1239                 --target1-rel, --target1-abs and --target2= options.
1240                 (Target_arm::get_reloc_reloc_type): Change method to be
1241                 non-static and const.
1242                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1243                 New data member declaration.
1244                 (Target_arm::Scan::local, Target_arm::Scan::global,
1245                 Target_arm::Relocate::relocate,
1246                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1247                 Adjust call to Target_arm::get_real_reloc_type.
1248                 (Target_arm::get_real_reloc_type): Use command line options
1249                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1250                 * options.h (--target1-rel, --target1-abs, --target2): New
1251                 ARM-only options.
1252
1253 2009-11-25  Doug Kwan  <dougkwan@google.com>
1254
1255         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1256         class definition.  Add code to handle --target1-rel, --target1-abs
1257         and --target2= options.
1258         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1259         and const.
1260         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1261         member declaration.
1262         (Target_arm::Scan::local, Target_arm::Scan::global,
1263         Target_arm::Relocate::relocate,
1264         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1265         call to Target_arm::get_real_reloc_type.
1266         (Target_arm::get_real_reloc_type): Use command line options to
1267         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1268         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1269         options.
1270
1271 2009-11-25  Doug Kwan  <dougkwan@google.com>
1272
1273         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1274         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1275         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1276         formatting.
1277         (Arm_relocate_functions::thm_call): Replace body with a call to
1278         Arm_relocate_functions::thumb_branch_common.
1279         (Arm_relocate_functions::thm_jump24,
1280         Arm_relocate_functions::thm_xpc22): New method definitions.
1281         (Arm_relocate_functions::thumb_branch_common): New method definition.
1282         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1283         operator.
1284         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1285         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1286
1287 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1288
1289         * Makefile.am: Build incremental-dump
1290         * Makefile.in: Regenerate.
1291         * incremental-dump.cc: New.
1292         * incremental.cc (Incremental_inputs_header_data,
1293         Incremental_inputs_entry_data): Move to incremental.h
1294         * incremental.h: (Incremental_inputs_header_data,
1295         Incremental_inputs_entry_data): Move from incremental.cc
1296
1297 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1298
1299         * incremental.cc (Incremental_inputs_header,
1300         Incremental_inputs_header_write, Incremental_inputs_entry,
1301         Incremental_inputs_entry_write): Add a typedef with the data type.
1302
1303 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1304
1305         * incremental.cc (Incremental_inputs_header,
1306         Incremental_inputs_header_write, Incremental_inputs_entry,
1307         Incremental_inputs_entry_write): Update comment about which
1308         type has the filed descriptions.
1309
1310 2009-11-15  Doug Kwan  <dougkwan@google.com>
1311
1312         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1313         (Arm_relocate_functions::arm_branch_common): Change method defintion
1314         in class definition to a method declaration and update list of formal
1315         parameters.
1316         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1317         Arm_relocation_functions::jump24): Adjust call to
1318         Arm_relocate_functions::arm_branch_common.  Update list of formal
1319         parameters.
1320         (Arm_relocate_functions::xpc25): New method definition.
1321         (Arm_relocate_functions::arm_branch_common): Move method defintion
1322         out from class definition.  Use stubs for mode-switching and extending
1323         branch ranges.
1324         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1325         specially.  Change code to enable use of stubs in ARM branches.
1326
1327 2009-11-10  Doug Kwan  <dougkwan@google.com>
1328
1329         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1330         in method declaration.
1331         (Target_arm::relocate_stub): New method declaration.
1332         (Target_arm::default_target): Change to return a pointer instead of
1333         a const reference.
1334         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1335         Target_arm::default_target.
1336         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1337         method definition.
1338         (Target_arm::relocate_section): Adjust view.
1339         (Target_arm::relocate_stub): New method definition.
1340
1341 2009-11-10  Doug Kwan  <dougkwan@google.com>
1342
1343         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1344         a format warning.
1345         * incremental.cc (open_incremental_binary): Initialized local
1346         variables to avoid warnings.
1347         * object.cc (make_elf_object): Ditto.
1348         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1349         a format warning.
1350
1351 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         PR gold/10930
1354         * testsuite/plugin_test.c: Include "config.h".
1355
1356 2009-11-09  Doug Kwan  <dougkwan@google.com>
1357
1358         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1359         (arm_symbol_value): Remove.
1360         (Arm_relocate_functions::arm_branch_common,
1361         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1362         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1363         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1364         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1365         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1366         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1367         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1368         Arm_relocate_functions::thm_mobw_abs_nc,
1369         Arm_relocate_functions::thm_mov_abs,
1370         Arm_relocate_functions::movw_prel_nc,
1371         Arm_relocate_functions::thm_movt_abs,
1372         Arm_relocate_functions::movt_prel,
1373         Arm_relocate_functions::thm_movw_prel_nc,
1374         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1375         (Target_arm::Relocate::relocate): Only decompose address into two
1376         parts if relocation type uses the thumb-bit and pass the actual
1377         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1378         calls to methods in Arm_relocate_functions for this change.
1379
1380 2009-11-08  Ian Lance Taylor  <iant@google.com>
1381
1382         PR 10925
1383         * reloc.cc: Instantiate
1384         Sized_relobj::initialize_input_to_output_maps and
1385         Sized_relobj:free_input_to_output_maps.
1386
1387 2009-11-06  Ian Lance Taylor  <iant@google.com>
1388
1389         PR 10876
1390         * defstd.cc (in_segment): Set only_if_ref true for "end".
1391
1392 2009-11-06  Doug Kwan  <dougkwan@google.com>
1393
1394         * arm.cc (class Reloc_stub): Correct a comment.
1395         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1396         (Target_arm::scan_section_for_stubs): New method declaration.
1397         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1398         Change methods from private to protected.
1399         (Target_arm::do_may_relax): New method definition.
1400         (Target_arm::do_relax, Target_arm::group_sections,
1401         Target_arm::scan_reloc_for_stub,
1402         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1403         (Target_arm::arm_input_section_map_): New data member declaration.
1404         (Target_arm::scan_reloc_for_stub,
1405         Target_arm::scan_reloc_section_for_stubs,
1406         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1407         Target_arm::do_relax): New method definitions.
1408
1409 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1410
1411         * configure.ac: Check for (struct stat)::st_mtim
1412         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1413         * config.in: Regenerate.
1414         * configure: Regenerate.
1415
1416 2009-11-05  Ian Lance Taylor  <iant@google.com>
1417
1418         PR 10910
1419         * output.cc (Output_segment::add_output_section): Add missing
1420         return statement.
1421
1422 2009-11-04  Ian Lance Taylor  <iant@google.com>
1423
1424         PR 10880
1425         * object.h (class Object): Add is_needed and set_is_needed
1426         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1427         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1428         defined in a dynamic object and referenced by a regular object,
1429         set is_needed for the dynamic object.
1430         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1431         if the file is marked with as_needed and it is not needed.
1432
1433 2009-11-04  Ian Lance Taylor  <iant@google.com>
1434
1435         PR 10887
1436         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1437         tags if data is discarded by linker script.
1438         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1439         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1440         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1441         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1442
1443 2009-11-04  Ian Lance Taylor  <iant@google.com>
1444
1445         * layout.cc (Layout::get_output_section): Add is_interp and
1446         is_dynamic_linker_section parameters.  Change all callers.
1447         (Layout::choose_output_section): Likewise.
1448         (Layout::make_output_section): Likewise.
1449         (Layout::add_output_section_data): Add is_dynamic_linker_section
1450         parameter.  Change all callers.
1451         * layout.h (class Layout): Update declarations.
1452         * output.h (class Output_section): Add is_interp, set_is_interp,
1453         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1454         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1455         generate_code_fills_at_write_ to a bitfield.
1456         * output.cc (Output_section::Output_sections): Initialize new
1457         fields.
1458         (Output_segment::add_output_section): Add do_sort parameter.
1459         Change all callers.
1460
1461 2009-11-03  Ian Lance Taylor  <iant@google.com>
1462
1463         PR 10860
1464         * options.h (class General_options): Add --warn-common.
1465         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1466         merging two common symbols.
1467         (Symbol_table::should_override): Handle --warn-common when merging
1468         a common symbol with a defined symbol.  Use report_resolve_problem
1469         for multiple definitions.
1470         (Symbol_table::report_resolve_problem): New function.
1471         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1472
1473 2009-11-03  Doug Kwan  <dougkwan@google.com>
1474
1475         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1476         stub_factory_.
1477         (Target_arm::stub_factory): New method definition.
1478         (Target_arm::new_arm_input_section,
1479         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1480         Target_arm::reloc_uses_thumb_bit): New method declarations.
1481         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1482         New type definitions.
1483         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1484         member declarations.
1485         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1486         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1487         New method definitions.
1488
1489 2009-11-03  Ian Lance Taylor  <iant@google.com>
1490
1491         * options.h (class General_options): Add --warn_constructors.
1492
1493 2009-11-03  Ian Lance Taylor  <iant@google.com>
1494
1495         PR 10893
1496         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1497         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1498
1499 2009-11-03  Ian Lance Taylor  <iant@google.com>
1500
1501         PR 10895
1502         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1503         --msgid-bugs-address.
1504         (install-pdf): New target.
1505         (install-data_yes): Look up one directory to find mkinstalldirs.
1506
1507 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1508
1509         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1510         tree.
1511
1512 2009-10-30  Doug Kwan  <dougkwan@google.com>
1513
1514         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1515
1516 2009-10-30  Doug Kwan  <dougkwan@google.com>
1517
1518         * arm.cc (Stub_addend_reader): New struct template definition
1519         and partial specializations.
1520         (Stub_addend_reader::operator()): New method definition for a
1521         partially specialized template.
1522
1523 2009-10-30  Doug Kwan  <dougkwan@google.com>
1524
1525         * arm.cc (Arm_relobj::processor_specific_flags): New method
1526         definition.
1527         (Arm_relobj::do_read_symbols): New method declaration.
1528         (Arm_relobj::processor_specific_flags_): New data member declaration.
1529         (Arm_dynobj): New class definition.
1530         (Target_arm::do_finalize_sections): Add input_objects parameter.
1531         (Target_arm::do_adjust_elf_header): New method declaration.
1532         (Target_arm::are_eabi_versions_compatible,
1533         (Target_arm::merge_processor_specific_flags): New method declaration.
1534         (Target_arm::do_make_elf_object): New overloaded method definitions
1535         and declaration.
1536         (Arm_relobj::do_read_symbols): New method definition.
1537         (Arm_dynobj::do_read_symbols): Ditto.
1538         (Target_arm::do_finalize_sections): Add input_objects parameters.
1539         Merge processor-specific flags from all input objects.
1540         (Target_arm::are_eabi_versions_compatible,
1541         Target_arm::merge_processor_specific_flags,
1542         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1543         New method definitions.
1544         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1545         Input_objects pointer type parameter.
1546         * layout.cc (Layout::finalize): Pass input objects to target's.
1547         finalize_sections function.
1548         * output.cc (Output_file_header::do_sized_write): Set ELF file
1549         header's processor-specific flags.
1550         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1551         Input_objects pointer type parameter.
1552         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1553         * target.h (Input_objects): New forward class declaration.
1554         (Target::processor_specific_flags,
1555         Target::are_processor_specific_flags_sect): New method definitions.
1556         (Target::finalize_sections): Add input_objects parameter.
1557         (Target::Target): Initialize processor_specific_flags_ and
1558         are_processor_specific_flags_set_.
1559         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1560         parameter.
1561         (Target::set_processor_specific_flags): New method definition.
1562         (Target::processor_specific_flags_,
1563         Target::are_processor_specific_flags_set_): New data member
1564         declarations.
1565         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1566         Input_objects pointer type parameter.
1567
1568 2009-10-30  Doug Kwan  <dougkwan@google.com>
1569
1570         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1571
1572 2009-10-28  Ian Lance Taylor  <iant@google.com>
1573
1574         * object.h (class Relobj): Drop options parameter from
1575         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1576         do_scan_relocs, do_relocate.  Change all callers.
1577         (class Sized_relobj): Drop options parameters from
1578         do_gc_process_relocs, do_scan_relocs, do_relocate,
1579         do_relocate_sections, relocate_sections, emit_relocs_scan,
1580         emit_relocs_scan_reltype.  Change all callers.
1581         (struct Relocate_info): Remove options field and all references to
1582         it.
1583         * reloc.h (class Read_relocs): Remove options constructor
1584         parameter and options_ field.  Change all callers.
1585         (class Gc_process_relocs, class Scan_relocs): Likewise.
1586         (class Relocate_task): Likewise.
1587         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1588         all callers.
1589         (scan_relocatable_relocs): Likewise.
1590         * target.h (class Sized_target): Remove options parameter from
1591         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1592         all callers.
1593         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1594         callers.
1595         * arm.cc: Update functions to remove options parameters.
1596         * i386.cc: Likewise.
1597         * powerpc.cc: Likewise.
1598         * sparc.cc: Likewise.
1599         * x86_64.cc: Likewise.
1600         * testsuite/testfile.cc: Likewise.
1601
1602 2009-10-28  Doug Kwan  <dougkwan@google.com>
1603
1604         * arm.cc (Arm_relobj): New class definition.
1605         (Arm_relobj::scan_sections_for_stubs,
1606         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1607         New method definitions.
1608
1609 2009-10-28  Cary Coutant  <ccoutant@google.com>
1610
1611         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1612         (Plugin::cleanup_done_): New member.
1613         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1614         (Plugin_manager::cleanup_done_): Remove.
1615         (Plugin_manager::add_input_file): Edit error message.
1616         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1617         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1618
1619 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1620
1621         * fileread.cc: (File_read::View::~View): Use the new
1622         data_ownership_ filed.
1623         (File_read::~File_read): Dispose the new whole_file_view_.
1624         (File_read::open): Mmap the whole file if needed.
1625         (File_read::open): Use whole_file_view_ instead of contents_.
1626         (File_read::find_view): Use whole_file_view_ if applicable.
1627         (File_read::do_read): Use whole_file_view_ instead of contents_.
1628         (File_read::make_view): Use whole_file_view_ instead of contents_,
1629         update File_read::View::View call.
1630         (File_read::find_or_make_view): Update File_read::View::View
1631         call.
1632         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1633         remove contents_
1634         (File_read::View::Data_ownership): New enum.
1635         (File_read::View::View): Replace bool mapped_ with Data_ownership
1636         argument.
1637         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1638         (File_read::View::data_ownership_): New field.
1639         (File_read::contents_): Remove (replaced by whole_file_view_).
1640         (File_read::whole_file_view_): New field.
1641         * options.h (class General_options): Add --keep-files-mapped.
1642
1643 2009-10-27  Cary Coutant  <ccoutant@google.com>
1644
1645         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1646         * testsuite/Makefile.am (plugin_test_5): New test case.
1647         * testsuite/Makefile.in: Regenerate.
1648
1649 2009-10-25  Doug Kwan  <dougkwan@google.com>
1650
1651         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1652         from private to protected to allow access by child class.
1653         (Sized_relobj::do_relocate_sections): New method declaration.
1654         (Sized_relobj::relocate_sections): Virtualize.
1655         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1656         Sized_relobj::relocate_sections.  Instantiate template explicitly
1657         for different target sizes and endianity.
1658
1659 2009-10-24  Doug Kwan  <dougkwan@google.com>
1660
1661         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1662         (Arm_input_section::as_arm_input_section): New method.
1663         (Arm_output_section): New class definition.
1664         (Arm_output_section::create_stub_group,
1665         Arm_output_section::group_sections): New method definitions.
1666
1667 2009-10-22  Doug Kwan  <dougkwan@google.com>
1668
1669         * arm.cc (Arm_input_section): New class definition.
1670         (Arm_input_section::init, Arm_input_section:do_write,
1671         Arm_input_section::set_final_data_size,
1672         Arm_input_section::do_reset_address_and_file_offset): New method
1673         definitions.
1674
1675 2009-10-21  Doug Kwan  <dougkwan@google.com>
1676
1677         * arm.cc (Stub_table, Arm_input_section): New forward class
1678         declarations.
1679         (Stub_table): New class defintion.
1680         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1681         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1682         New method definition.
1683
1684 2009-10-21  Doug Kwan  <dougkwan@google.com>
1685
1686         * arm.cc: Update copyright comments.
1687         (Target_arm): New forward class template declaration.
1688         (Arm_address): New type.
1689         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1690         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1691         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1692         constants.
1693         (Insn_template): Same.
1694         (DEF_STUBS): New macro.
1695         (Stub_type): New enum type.
1696         (Stub_template): New class definition.
1697         (Stub): Same.
1698         (Reloc_stub): Same.
1699         (Stub_factory): Same.
1700         (Target_arm::Target_arm): Initialize may_use_blx_ and
1701         should_force_pic_veneer_.
1702         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1703         Target_arm::should_force_pic_veneer,
1704         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1705         Target_arm::using_thumb_only, Target_arm:;default_target): New
1706         method defintions.
1707         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1708         New data member declarations.
1709         (Insn_template::size, Insn_template::alignment): New method defintions.
1710         (Stub_template::Stub_template): New method definition.
1711         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1712         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1713         (Stub_factory::Stub_factory): New method definition.
1714         * gold.h (string_hash): New template.
1715         * output.h (Input_section_specifier::hash_value): Use
1716         gold::string_hash.
1717         (Input_section_specifier::string_hash): Remove.
1718         * stringpool.cc (Stringpool_template::string_hash): Use
1719         gold::string_hash.
1720
1721 2009-10-20  Doug Kwan  <dougkwan@google.com>
1722
1723         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1724         symbols of relaxed input sections.
1725         * output.h (Output_section::find_relaxed_input_section): Make
1726         method public.
1727
1728 2009-10-16  Doug Kwan  <dougkwan@google.com>
1729
1730         * dynobj.cc (Versions::Versions): Initialize version_script_.
1731         Only insert base version symbol definition for a shared object
1732         if version script defines any version versions.
1733         (Versions::define_base_version): New method definition.
1734         (Versions::add_def): Check that base version is not needed.
1735         (Versions::add_need): Define base version lazily.
1736         * dynobj.h (Versions::define_base_version): New method declaration.
1737         (Versions::needs_base_version_): New data member declaration.
1738         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1739         (check_DATA): Add no_version_test.stdout.
1740         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1741         New make rules.
1742         * testsuite/Makefile.in: Regenerate.
1743         * testsuite/no_version_test.c: New file.
1744         * testsuite/no_version_test.sh: Ditto.
1745
1746 2009-10-16  Doug Kwan  <dougkwan@google.com>
1747
1748         * expression.cc (class Segment_start_expression): New class definition.
1749         (Segment_start_expression::value): New method definition.
1750         (script_exp_function_segment_start): Return a new
1751         Segment_start_expression.
1752         * gold/script-c.h (script_saw_segment_start_expression): New function
1753         prototype.
1754         * script-sections.cc (Script_sections::Script_sections): Initialize
1755         SAW_SEGMENT_START_EXPRESSION_ to false.
1756         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1757         and -Tbbs options to specify section addresses if given in
1758         command line and no SEGMENT_START expression is seen in a script.
1759         * script-sections.h (Script_sections::saw_segment_start_expression,
1760         Script_sections::set_saw_segment_start_expression): New method
1761         definition.
1762         (Script_sections::saw_segment_start_expression_): New data member
1763         declaration.
1764         * script.cc (script_saw_segment_start_expression): New function.
1765         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1766         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1767         script_test_7.sh and script_test_8.sh.
1768         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1769         script_test_8.stdout.
1770         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1771         (script_test_6, script_test_6.stdout, script_test_7,
1772         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1773         * Makefile.in: Regenerate.
1774         * testsuite/script_test_6.sh: New file.
1775         * testsuite/script_test_6.t: Same.
1776         * testsuite/script_test_7.sh: Same.
1777         * testsuite/script_test_7.t: Same.
1778         * testsuite/script_test_8.sh: Same.
1779
1780 2009-10-16  Doug Kwan  <dougkwan@google.com>
1781
1782         * output.cc (Output_segment::set_section_list_address): Cast
1783         expressions to unsigned long long type to avoid format warnings.
1784
1785 2009-10-15  Ian Lance Taylor  <iant@google.com>
1786
1787         * script.cc (Script_options::add_symbol_assignment): Always add a
1788         dot assignment to script_sections_.
1789         * script-sections.cc (Script_sections::add_dot_assignment):
1790         Initialize if necessary.
1791
1792         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1793         program headers with no load segment if there is a linker script.
1794
1795         * layout.cc (Layout::set_segment_offsets): Align the file offset
1796         to the segment aligment for -N or -n with no load segment.
1797         * output.cc (Output_segment::add_output_section): Don't crash if
1798         the first section is a TLS section.
1799         (Output_segment::set_section_list_addresses): Print an error
1800         message if the address moves backward in a linker script.
1801         * script-sections.cc
1802         (Output_section_element_input::set_section_addresses): Don't
1803         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1804         (Orphan_output_section::set_section_addresses): Likewise.
1805
1806 2009-10-15  Doug Kwan  <dougkwan@google.com>
1807
1808         * layout.cc (Layout::finish_dynamic_section): Generate tags
1809         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1810         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1811         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1812
1813 2009-10-14  Ian Lance Taylor  <iant@google.com>
1814
1815         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1816         fields.
1817         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1818         data_shdr fields of relinfo.
1819         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1820         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1821         R_386_TLS_LDO_32, adjust based on section flags.
1822         (Target_i386::Relocate::fix_up_ldo): Remove.
1823
1824 2009-10-13  Ian Lance Taylor  <iant@google.com>
1825
1826         Add support for -pie.
1827         * options.h (class General_options): Add -pie and
1828         --pic-executable.
1829         (General_options::output_is_position_independent): Test -pie.
1830         (General_options::output_is_executable): Return true if not shared
1831         and not relocatable.
1832         (General_options::output_is_pie): Remove.
1833         * options.cc (General_options::finalize): Reject incompatible uses
1834         of -pie.
1835         * gold.cc (queue_middle_tasks): A -pie link is not static.
1836         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1837         * symtab.cc (Symbol::final_value_is_known): Return false if
1838         output_is_position_independent.
1839         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1840         output_is_position_independent.
1841         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1842         output_is_position_independent.
1843         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1844         output_is_position_independent.
1845         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1846         two_file_pie_test.
1847         (basic_pie_test.o, basic_pie_test): New targets.
1848         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1849         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1850         (two_file_pie_test): New target.
1851         * testsuite/Makefile.in: Rebuild.
1852         * README: Remove note saying that -pie is not supported.
1853
1854 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1855
1856         * options.h (class General_options): Add -init and -fini.
1857         * layout.cc (Layout::finish_dynamic_section): Emit
1858         given init and fini functions.
1859
1860 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1861
1862         * gc.h (gc_process_relocs): Check if icf is enabled using new
1863         function.
1864         * gold.cc (queue_initial_tasks): Likewise.
1865         (queue_middle_tasks): Likewise.
1866         * object.cc (do_layout): Likewise.
1867         * symtab.cc (is_section_folded): Likewise.
1868         * main.cc (main): Likewise.
1869         * reloc.cc (Read_relocs::run): Likewise.
1870         (Sized_relobj::do_scan_relocs): Likewise.
1871         * icf.cc (is_function_ctor_or_dtor): New function.
1872         (Icf::find_identical_sections): Check if function is ctor or dtor when
1873         safe icf is chosen.
1874         * options.h (General_options::icf): Change option to be an enum.
1875         (Icf_status): New enum.
1876         (icf_enabled): New method.
1877         (icf_safe_folding): New method.
1878         (set_icf_status): New method.
1879         (icf_status_): New variable.
1880         * (options.cc) (General_options::finalize): Set icf_status_.
1881         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1882         icf_test and icf_keep_unique_test to use the --icf enum flag.
1883         * testsuite/icf_safe_test.sh: New file.
1884         * testsuite/icf_safe_test.cc: New file.
1885
1886 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1887
1888         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1889         includes to gc.h and icf.h.
1890         * arm.cc: Include gc.h.
1891         * gold.cc: Likewise.
1892         * i386.cc: Likewise.
1893         * powerpc.cc: Likewise.
1894         * sparc.cc: Likewise.
1895         * x86_64.cc: Likewise.
1896         * gc.h: Include icf.h.
1897
1898 2009-10-11  Ian Lance Taylor  <iant@google.com>
1899
1900         * plugin.cc: Include "gold.h" before other header files.
1901
1902 2009-10-10  Chris Demetriou  <cgd@google.com>
1903
1904         * options.h (Input_file_argument::Input_file_type): New enum.
1905         (Input_file_argument::is_lib_): Replace with...
1906         (Input_file_argument::type_): New member.
1907         (Input_file_argument::Input_file_argument): Take Input_file_type
1908         'type' rather than boolean 'is_lib' as second argument.
1909         (Input_file_argument::is_lib): Use type_.
1910         (Input_file_argument::is_searched_file): New function.
1911         (Input_file_argument::may_need_search): Handle is_searched_file.
1912         * options.cc (General_options::parse_library): Support -l:filename.
1913         (General_options::parse_just_symbols): Update for Input_file_argument
1914         changes.
1915         (Command_line::process): Likewise.
1916         * archive.cc (Archive::get_file_and_offset): Likewise.
1917         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1918         * script.cc (read_script_file, script_add_file): Likewise.
1919         * fileread.cc (Input_file::Input_file): Likewise.
1920         (Input_file::will_search_for): Handle is_searched_file.
1921         (Input_file::open): Likewise.
1922         * readsyms.cc (Read_symbols::get_name): Likewise.
1923         * testsuite/Makefile.am (searched_file_test): New test.
1924         * testsuite/Makefile.in: Regenerate.
1925         * testsuite/searched_file_test.cc: New file.
1926         * testsuite/searched_file_test_lib.cc: New file.
1927
1928 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1929             Ian Lance Taylor  <iant@google.com>
1930
1931         * descriptor.cc: Include <cstdio> and "binary-io.h".
1932         (Descriptors::open): Open the files in binary mode always.
1933         * script.cc (Lex::get_token): Treat \r as whitespace.
1934
1935 2009-10-09  Ian Lance Taylor  <iant@google.com>
1936
1937         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1938
1939 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1940             Ian Lance Taylor  <iant@google.com>
1941
1942         * configure.ac: Check for readv function also.
1943         * fileread.cc (readv): Define if not HAVE_READV.
1944         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1945         does not exist.
1946         * config.in: Regenerate.
1947         * configure: Regenerate.
1948
1949 2009-10-09  Doug Kwan  <dougkwan@google.com>
1950
1951         * layout.cc (Layout::make_output_section): Call target hook to make
1952         ordinary output section.
1953         (Layout::finalize): Adjust parameter list of call the
1954         Target::may_relax().
1955         * layout.h (class Layout::section_list): New method.
1956         * merge.h (Output_merge_base::entsize): Change visibility to public.
1957         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1958         New methods.
1959         (Output_merge_string::do_is_string): New method.
1960         * object.cc (Sized_relobj::do_setup): renamed from
1961         Sized_relobj::set_up.
1962         * object.h (Sized_relobj::adjust_shndx,
1963         Sized_relobj::initializ_input_to_output_maps,
1964         Sized_relobj::free_input_to_output_maps): Change visibilities to
1965         protected.
1966         (Sized_relobj::setup): Virtualize.
1967         (Sized_relobj::do_setup): New method declaration.
1968         (Sized_relobj::invalidate_section_offset,
1969         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1970         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1971         * options.cc (parse_int): New function.
1972         * options.h (parse_int): New declaration.
1973         (DEFINE_int): New macro.
1974         (stub_group_size): New option.
1975         * output.cc (Output_section::Output_section): Initialize memebers
1976         merge_section_map_, merge_section_by_properties_map_,
1977         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1978         (Output_section::add_input_section): Handled deferred code-fill
1979         generation and remove an old comment.
1980         (Output_section::add_relaxed_input_section): New method definition.
1981         (Output_section::add_merge_input_section): Use merge section by
1982         properties map to speed to search.  Update merge section maps
1983         as appropriate.
1984         (Output_section::build_relaxation_map): New method definition.
1985         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1986         Same.
1987         (Output_section::relax_input_section): Renamed to
1988         Output_section::convert_input_sections_to_relaxed_sections and change
1989         interface to take a vector of pointers to relaxed sections.
1990         (Output_section::find_merge_section,
1991         Output_section::find_relaxed_input_section): New method definitions.
1992         (Output_section::is_input_address_mapped,
1993         Output_section::output_offset, Output_section::output_address):
1994         Use output section data maps to speed up searching.
1995         (Output_section::find_starting_output_address): Add comments.
1996         (Output_section::do_write,
1997         Output_section::write_to_postprocessing_buffer): Do code-fill
1998         generation as appropriate.
1999         (Output_section::get_input_sections): Invalidate relaxed input section
2000         map.
2001         (Output_section::restore_states): Adjust type of checkpoint .
2002         Invalidate relaxed input section map.
2003         * output.h (Output_merge_base): New class declaration.
2004         (Input_section_specifier): New class defintion.
2005         (class Output_relaxed_input_section) Change base class to
2006         Output_section_data_build.
2007         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2008         base class initializer.
2009         (Output_section::add_relaxed_input_section): New method declaration.
2010         (Output_section::Input_section): Change visibility to protected.
2011         (Output_section::Input_section::relobj,
2012         Output_section::Input_section::shndx): Handle relaxed input sections.
2013         Output_section::input_sections) Change visibility to protected.  Also
2014         define overload to return a non-const pointer.
2015         (Output_section::Merge_section_properties): New class defintion.
2016         (Output_section::Merge_section_by_properties_map,
2017         Output_section::Output_section_data_by_input_section_map,
2018         Output_section::Relaxation_map): New types.
2019         (Output_section::relax_input_section): Rename method to
2020         Output_section::convert_input_sections_to_relaxed_sections and change
2021         interface to take a vector of relaxed section pointers.
2022         (Output_section::find_merge_section,
2023         Output_section::find_relaxed_input_section,
2024         Output_section::build_relaxation_map,
2025         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2026         New method declarations.
2027         (Output_section::merge_section_map_
2028         Output_section::merge_section_by_properties_map_,
2029         Output_section::relaxed_input_section_map_,
2030         Output_section::is_relaxed_input_section_map_valid_,
2031         Output_section::generate_code_fills_at_write_): New data members.
2032         * script-sections.cc
2033         (Output_section_element_input::set_section_addresses): Call
2034         current_data_size and addralign methods of relaxed input sections.
2035         (Orphan_output_section::set_section_addresses): Call current_data_size
2036         and addralign methods of relaxed input sections.
2037         * symtab.cc (Symbol_table::compute_final_value): Extract template
2038         from the body of Symbol_table::sized_finalize_symbol.
2039         (Symbol_table::sized_finalized_symbol): Call
2040         Symbol_table::compute_final_value.
2041         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2042         (Symbol_table::compute_final_value): New templated method declaration.
2043         * target.cc (Target::do_make_output_section): New method defintion.
2044         * target.h (Target::make_output_section): New method declaration.
2045         (Target::relax): Add more parameters for input objects, symbol table
2046         and layout.  Adjust call to do_relax.
2047         (Target::do_make_output_section): New method declaration.
2048         (Target::do_relax): Add parameters for input objects, symbol table
2049         and layout.
2050
2051 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2052
2053         * pread.c: Include stdio.h.
2054
2055 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2056
2057         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2058         defined.
2059
2060 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2061
2062         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2063         Change read_shndx type to unsigned int.
2064         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2065         int.
2066         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2067         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2068         Change read_shndx type to unsigned int.
2069         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2070         int.
2071         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2072         * layout.cc (Layout::create_symtab_sections): Cast the result of
2073         local_symcount * symsize to off_t in the gold_assert.
2074
2075 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2076
2077         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2078         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2079         R_ARM_BASE_ABS.
2080         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2081         (Arm_relocate_functions::thm_abs5): New function.
2082         (Arm_relocate_functions::abs12): New function.
2083         (Arm_relocate_functions::abs16): New function.
2084         (Arm_relocate_functions::base_abs): New function.
2085         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2086         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2087         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2088         R_ARM_BASE_ABS.
2089         (Scan::global): Likewise.
2090         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2091         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2092         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2093         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2094         R_ARM_BASE_ABS.
2095
2096 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2097
2098         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2099         (Arm_relocate_functions::movt_prel): New function.
2100         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2101         (Arm_relocate_functions::thm_movt_prel): New function.
2102         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2103         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2104         (Scan::global, Relocate::relocate): Likewise.
2105         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2106
2107 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2108
2109         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2110         Incremental_checker.
2111         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2112         unsigned int.
2113         (class Incremental_inputs_header): New class.
2114         (Incremental_inputs_header_writer): Edit comment.
2115         (Incremental_inputs_entry): New class.
2116         (Incremental_inputs_entry_writer): Edit comment.
2117         (Sized_incremental_binary::do_find_incremental_inputs_section):
2118         Add *strtab_shndx parameter, fill it.
2119         (Sized_incremental_binary::do_check_inputs): New method.
2120         (Incremental_checker::can_incrementally_link_output_file): Use
2121         Sized_incremental_binary::check_inputs.
2122         (Incremental_inputs::report_command_line): Save command line in
2123         command_line_.
2124         * incremental.h:
2125         (Incremental_binary::find_incremental_inputs_section): New
2126         method.
2127         (Incremental_binary::do_find_incremental_inputs_section): Add
2128         strtab_shndx parameter.
2129         (Incremental_binary::do_check_inputs): New pure virtual method.
2130         (Sized_incremental_binary::do_check_inputs): Declare.
2131         (Incremental_checker::Incremental_checker): Add incremental_inputs
2132         parameter, use it to initialize incremental_inputs_.
2133         (Incremental_checker::incremental_inputs_): New field.
2134         (Incremental_checker::command_line): New method.
2135         (Incremental_checker::inputs): New method.
2136         (Incremental_checker::command_line_): New field.
2137
2138 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2139
2140         * incremental.cc: Include <cstdarg> and "target-select.h".
2141         (vexplain_no_incremental): New function.
2142         (explain_no_incremental): New function.
2143         (Incremental_binary::error): New method.
2144         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2145         method.
2146         (make_sized_incremental_binary): New function.
2147         (open_incremental_binary): New function.
2148         (can_incrementally_link_file): Add checks if output is ELF and has
2149         inputs section.
2150         * incremental.h: Include "elfcpp_file.h" and "output.h".
2151         (Incremental_binary): New class.
2152         (Sized_incremental_binary): New class.
2153         (open_incremental_binary): Declare.
2154         * object.cc (is_elf_object): Use
2155         elfcpp::Elf_recognizer::is_elf_file.
2156         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2157         * output.h (Output_file::filesize): New method.
2158
2159 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2160
2161         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2162         New function.
2163         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2164         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2165         function.
2166         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2167         function.
2168         (Arm_relocate_functions::movw_abs_nc): New function.
2169         (Arm_relocate_functions::movt_abs): New function.
2170         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2171         (Arm_relocate_functions::thm_movt_abs): New function.
2172         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2173         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2174         (Scan::global): Likewise.
2175         (Relocate::relocate): Likewise.
2176         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2177
2178 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2179
2180         * arm.cc (Arm_relocate_functions::got_prel) New function.
2181         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2182         (Relocate::relocate): Likewise.
2183         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2184
2185 2009-10-06  Ian Lance Taylor  <iant@google.com>
2186
2187         * options.h (class General_options): Define
2188         split_stack_adjust_size parameter.
2189         * object.h (class Object): Add uses_split_stack_ and
2190         has_no_split_stack_ fields.  Add uses_split_stack and
2191         has_no_split_stack accessor functions.  Declare
2192         handle_split_stack_section.
2193         (class Reloc_symbol_changes): Define.
2194         (class Sized_relobj): Define Function_offsets.  Declare
2195         split_stack_adjust, split_stack_adjust_reltype, and
2196         find_functions.
2197         * object.cc (Object::handle_split_stack_section): New function.
2198         (Sized_relobj::do_layout): Call handle_split_stack_section.
2199         * dynobj.cc (Sized_dynobj::do_layout): Call
2200         handle_split_stack_section.
2201         * reloc.cc (Sized_relobj::relocate_sections): Call
2202         split_stack_adjust for executable sections in split_stack
2203         objects.  Pass reloc_map to relocate_section.
2204         (Sized_relobj::split_stack_adjust): New function.
2205         (Sized_relobj::split_stack_adjust_reltype): New function.
2206         (Sized_relobj::find_functions): New function.
2207         * target-reloc.h: Include "object.h".
2208         (relocate_section): Add reloc_symbol_changes parameter.  Change
2209         all callers.
2210         * target.h (class Target): Add calls_non_split method.  Declare
2211         do_calls_non_split virtual method.  Declare match_view and
2212         set_view_to_nop.
2213         * target.cc: Include "elfcpp.h".
2214         (Target::do_calls_non_split): New function.
2215         (Target::match_view): New function.
2216         (Target::set_view_to_nop): New function.
2217         * gold.cc (queue_middle_tasks): Give an error if mixing
2218         split-stack and non-split-stack objects with -r.
2219         * i386.cc (Target_i386::relocate_section): Add
2220         reloc_symbol_changes parameter.
2221         (Target_i386::do_calls_non_split): New function.
2222         * x86_64.cc (Target_x86_64::relocate_section): Add
2223         reloc_symbol_changes parameter.
2224         (Target_x86_64::do_calls_non_split): New function.
2225         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2226         parameter.
2227         * powerpc.cc (Target_powerpc::relocate_section): Add
2228         reloc_symbol_changes parameter.
2229         * sparc.cc (Target_sparc::relocate_section): Add
2230         reloc_symbol_changes parameter.
2231         * configure.ac: Call AM_CONDITIONAL for the default target.
2232         * configure: Rebuild.
2233         * testsuite/Makefile.am (TEST_AS): New variable.
2234         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2235         (check_DATA): Add split_i386 and split_x86_64 files.
2236         (SPLIT_DEFSYMS): Define.
2237         (split_i386_[1234n].o): New targets.
2238         (split_i386_[124]): New targets.
2239         (split_i386_[1234r].stdout): New targets.
2240         (split_x86_64_[1234n].o): New targets.
2241         (split_x86_64_[124]): New targets.
2242         (split_x86_64_[1234r].stdout): New targets.
2243         (MOSTLYCLEANFILES): Add new executables.
2244         * testsuite/split_i386.sh: New file.
2245         * testsuite/split_x86_64.sh: New file.
2246         * testsuite/split_i386_1.s: New file.
2247         * testsuite/split_i386_2.s: New file.
2248         * testsuite/split_i386_3.s: New file.
2249         * testsuite/split_i386_4.s: New file.
2250         * testsuite/split_i386_n.s: New file.
2251         * testsuite/split_x86_64_1.s: New file.
2252         * testsuite/split_x86_64_2.s: New file.
2253         * testsuite/split_x86_64_3.s: New file.
2254         * testsuite/split_x86_64_4.s: New file.
2255         * testsuite/split_x86_64_n.s: New file.
2256         * testsuite/testfile.cc (Target_test): Update relocation_section
2257         function.
2258         * testsuite/Makefile.in: Rebuild.
2259
2260 2009-10-06  Ian Lance Taylor  <iant@google.com>
2261
2262         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2263         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2264         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2265         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2266         the address on ldo_addrs_.
2267         (Target_i386::Relocate::fix_up_ldo): New function.
2268
2269 2009-10-06   Rafael Espindola  <espindola@google.com>
2270
2271         * plugin.cc (add_input_library): New.
2272         (Plugin::load): Add add_input_library to tv.
2273         (Plugin_manager::add_input_file): Add the is_lib argument.
2274         (add_input_file): Update call to Plugin_manager::add_input_file.
2275         (add_input_library): New.
2276         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2277
2278 2009-09-30  Doug Kwan  <dougkwan@google.com>
2279
2280         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2281         symbol and call Symbol::may_need_copy_reloc to determine if
2282         a copy reloc is needed.
2283         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2284         nocopyreloc is given in command line.
2285         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2286         given in command line.
2287         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2288         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2289         of the removed Target_i386::may_need_copy_reloc.
2290         * options.h (copyreloc): New option with default value false.
2291         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2292         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2293         instead of the removed Target_powerpc::may_need_copy_reloc.
2294         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2295         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2296         instead of the removed Target_sparc::may_need_copy_reloc.
2297         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2298         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2299         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2300         instead of the removed Target_x86_64::may_need_copy_reloc.
2301
2302 2009-09-30  Ian Lance Taylor  <iant@google.com>
2303
2304         * object.h (class Object): Remove target_ field, and target,
2305         sized_target, and set_target methods.
2306         (Object::sized_target): Remove.
2307         (class Sized_relobj): Update declarations.  Remove sized_target.
2308         * object.cc (Sized_relobj::setup): Remove target parameter.
2309         Change all callers.
2310         (Input_objects::add_object): Don't do anything with the target.
2311         (make_elf_sized_object): Add punconfigured parameter.  Change all
2312         callers.  Set or test parameter target.
2313         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2314         Change all callers.
2315         * parameters.cc (Parameters::set_target): Change parameter type to
2316         be non-const.
2317         (Parameters::default_target): Remove.
2318         (set_parameters_target): Change parameter type to be non-const.
2319         (parameters_force_valid_target): New function.
2320         (parameters_clear_target): New function.
2321         * parameters.h (class Parameters): Update declarations.  Remove
2322         default_target method.  Add sized_target and clear_target
2323         methods.  Change target_ to be non-const.
2324         (set_parameters_target): Update declaration.
2325         (parameters_force_valid_target): Declare.
2326         (parameters_clear_target): Declare.
2327         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2328         as NULL if we aren't searching.
2329         (Add_symbols::run): Don't check for compatible target.
2330         * fileread.cc (Input_file::open_binary): Call
2331         parameters_force_valid_target.
2332         * gold.cc (queue_middle_tasks): Likewise.
2333         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2334         set_target on object.
2335         * dynobj.h (class Sized_dynobj): Update declarations.
2336         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2337         make_elf_object returns NULL.
2338         (Archive::include_member): Don't check whether object target is
2339         compatible.
2340         * output.cc (Output_section::add_input_section): Get target from
2341         parameters.
2342         (Output_section::relax_input_section): Likewise.
2343         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2344         parameters.
2345         (Sized_relobj::do_scan_relocs): Likewise.
2346         (Sized_relobj::relocate_sections): Likewise.
2347         * resolve.cc (Symbol_table::resolve): Likewise.
2348         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2349         parameter.  Change all callers.
2350         (Symbol_table::add_from_object): Get target from parameters.
2351         (Symbol_table::add_from_relobj): Don't check object target.
2352         (Symbol_table::add_from_dynobj): Likewise.
2353         (Symbol_table::define_special_symbol): Get target from
2354         parameters.
2355         * symtab.h (class Symbol_table): Update declaration.
2356         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2357         parameter.  Change all callers.  Clear parameter target.
2358         (Binary_test): Test target here.
2359         * testsuite/object_unittest.cc (gold_testsuite): Remove
2360         target_test_pointer parameter.  Change all callers.
2361         (Object_test): Test target here.
2362
2363 2009-09-26  Ian Lance Taylor  <iant@google.com>
2364
2365         * testsuite/initpri1.c: Don't try to use constructor priorities if
2366         compiling with gcc before 4.3.
2367
2368 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2369
2370         * testsuite/retain_symbols_file_test.sh (check_present): Change
2371         output file name to retain_symbols_file_test.stdout.
2372         (check_absent): Likewise.
2373
2374 2009-09-18  Craig Silverstein  <csilvers@google.com>
2375
2376         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2377         * options.cc: Include <cerrno> and <fstream>.
2378         (General_options::finalize): Parse -retain-symbols-file tag.
2379         * options.h: New flag.
2380         (General_options): New method should_retain_symbol, new
2381         variable symbols_to_retain.
2382         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2383         should_retain_symbol map.
2384         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2385         * testsuite/Makefile.in: Regenerate.
2386         * testsuite/retain_symbols_file_test.sh: New file.
2387
2388 2009-09-18  Nick Clifton  <nickc@redhat.com>
2389
2390         * po/es.po: Updated Spanish translation.
2391
2392 2009-09-17  Doug Kwan  <dougkwan@google.com>
2393
2394         * debug.h (DEBUG_RELAXATION): New constant.
2395         (DEBUG_ALL): Add DEBUG_RELAXATION.
2396         (debug_string_to_enum): Add relaxation debug option.
2397         * layout.cc
2398         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2399         Layout::Relaxation_debug_check::read_sections,
2400         Layout::Relaxation_debug_check::read_sections): New method definitions.
2401         (Layout::Layout): Initialize data members
2402         record_output_section_data_from_scrips_,
2403         script_output_section_data_list_ and relaxation_debug_check_.
2404         (Layout::save_segments, Layout::restore_segments,
2405         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2406         Layout::relaxation_loop_body): New method definitions.
2407         (Layout::finalize): Support relaxation.  Move section layout code to
2408         Layout::relaxation_loop_body.
2409         (Layout::set_asection_address_from_script): Move code for orphan
2410         section placement out.
2411         (Layout::place_orphan_sections_in_script): New method definition.
2412         * layout.h (Output_segment_headers, Output_file_header):
2413         New forward class declarations.
2414         (Layout::~Layout): Define.
2415         (Layout::new_output_section_data_from_script): New method definition.
2416         (Layout::place_orphan_sections_in_script): New method declaration.
2417         (Layout::Segment_states): New type declaration.
2418         (Layout::save_segments, Layout::restore_segments,
2419         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2420         Layout::relaxation_loop_body): New method declarations.
2421         (Layout::Output_section_data_list): New type declaration.
2422         (Layout::Relaxation_debug_check): New class definition.
2423         (Layout::record_output_section_data_from_script_,
2424         Layout::script_output_section_data_list_, Layout::segment_states_,
2425         Layout::relaxation_debug_check_): New data members.
2426         * output.cc: (Output_section_headers::do_size): New method definition.
2427         (Output_section_headers::Output_section_headers): Move size
2428         computation to Output_section_headers::do_size.
2429         (Output_segment_headers::do_size): New method definition.
2430         (Output_file_header::Output_file_header): Move size computation to
2431         Output_file_header::do_size and call it.
2432         (Output_file_header::do_size): New method definition.
2433         (Output_data_group::Output_data_group): Adjust call to
2434         Output_section_data.
2435         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2436         (Output_symtab_xindex::do_write): Add array bound check.
2437         (Output_section::Input_section::print_to_mapfile): Handle
2438         RELAXED_INPUT_SECTION_CODE.
2439         (Output_section::Output_section): Initialize data member checkpoint_.
2440         (Output_section::~Output_section): Delete checkpoint object pointed
2441         by checkpoint_.
2442         (Output_section::add_input_section): Always add an Input_section if
2443         relaxing.
2444         (Output_section::add_merge_input_section): Add assert.
2445         (Output_section::relax_input_section): New method definition.
2446         (Output_section::set_final_data_size): Set load address to zero for
2447         an unallocated section.
2448         (Output_section::do_address_and_file_offset_have_reset_values):
2449         New method definition.
2450         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2451         Handle relaxed input section.
2452         (Output_section::sort_attached_input_sections): Checkpoint input
2453         section list lazily.
2454         (Output_section::get_input_sections): Change type of input_sections to
2455         list of Simple_input_section pointers.  Checkpoint input section list
2456         lazily.  Also handle relaxed input sections.
2457         (Output_section::add_input_section_for_script): Take a reference to
2458         a Simple_input_section object instead of Relobj pointer and section
2459         index as parameter.  Handle relaxed input sections.
2460         (Output_section::save_states, Output_section::restore_states): New
2461         method definitions.
2462         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2463         (Output_data::is_data_size_fixed): New method definition.
2464         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2465         if it is fixed.
2466         (Output_data::address_and_file_offset_have_reset_values): New method
2467         definition.
2468         (Output_data::do_address_and_file_offset_have_reset_values): New method
2469         definition.
2470         (Output_data::set_data_size): Check that data size is not fixed.
2471         (Output_data::fix_data_size): New method definition.
2472         (Output_data::is_data_size_fixed_): New data member.
2473         (Output_section_headers::set_final_data_size): New method definition.
2474         (Output_section_headers::do_size): New method declaration.
2475         (Output_segment_headers::set_final_data_size): New method definition.
2476         (Output_segment_headers::do_size): New method declaration.
2477         (Output_file_header::set_final_data_size)::New method definition.
2478         (Output_file_header::do_size)::New method declaration.
2479         (Output_section_data::Output_section_data): Add new parameter
2480         is_data_size_fixed and use it to fix data size.
2481         (Output_data_const::Output_data_const): Adjust call to base class
2482         constructor and fix data size.
2483         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2484         base class constructor and fix data size.
2485         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2486         base class constructor and fix data size.
2487         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2488         class constructor and fix data size.
2489         (Output_data_group::set_final_data_size): New method definition.
2490         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2491         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2492         class constructor and fix data size.
2493         (Output_relaxed_input_section): New class definition.
2494         (Output_section::Simple_input_section): New class definition.
2495         (Output_section::get_input_sections): Adjust parameter list.
2496         (Output_section::add_input_section_for_script): Same.
2497         (Output_section::save_states, Output_section::restore_states,
2498         Output_section::do_address_and_file_offset_have_reset_values,
2499         (Output_section::Input_section::Input_section): Handle
2500         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2501         Output_relaxed_input_section.
2502         (Output_section::Input_section::is_input_section,
2503         Output_section::Input_section::set_output_section): Handle relaxed
2504         input section.
2505         (Output_section::Input_section::is_relaxed_input_section,
2506         Output_section::Input_section::output_section_data,
2507         Output_section::Input_section::relaxed_input_section): New method
2508         definitions.
2509         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2510         value.
2511         (Output_section::Input_section::u1_): Update comments.
2512         (Output_section::Input_section::u2_): Add new union member poris.
2513         (Output_section::Checkpoint_output_section): New classs definition.
2514         (Output_section::relax_input_section): New method declaration.
2515         (Output_section::checkpoint_): New data member.
2516         (Output_segment): Update comments.
2517         (Output_segment::Output_segment): Un-privatize copy constructor.
2518         (Output_segment::operator=): Un-privatize.
2519         * script-sections.cc (Output_section_element::Input_section_list):
2520         Change element type to Output_section::Simple_input_section.
2521         (Output_section_element_dot_assignment::set_section_addresses):
2522         Register output section data for relaxation clean up.
2523         (Output_data_exression::Output_data_expression): Adjust call to base
2524         constructor to fix data size.
2525         (Output_section_element_data::set_section_addresses): Register
2526         Output_data_expression object for relaxation clean up.
2527         (struct Input_section_info): Replace Relobj pointer and section index
2528         pair with Output_section::Simple_input_section and Convert struct to a
2529         class.
2530         (Input_section_sorter::operator()): Adjust access to
2531         Input_section_info data member to use accessors.
2532         (Output_section_element_input::set_section_addresses): Use layout
2533         parameter.  Adjust code to use Output_section::Simple_input_section
2534         and Input_secction_info classes.  Register filler for relaxation
2535         clean up.
2536         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2537         and section index pair with Output_section::Simple_input_section
2538         class.  Adjust code accordingly.
2539         (Phdrs_element::release_segment): New method definition.
2540         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2541         segment list.
2542         (Script_sections::release_segments): New method definition.
2543         * gold/script-sections.h (Script_sections::release_segments): New
2544         method declaration.
2545         * gold/target.h (Target::may_relax, Target::relax,
2546         Target::do_may_relax, Target::do_relax): New method definitions.
2547
2548 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2549
2550         * arm.cc (has_signed_unsigned_overflow): New function.
2551         (Arm_relocate_functions::abs8): New function.
2552         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2553         (Target_arm::Scan::global): Likewise.
2554         (Target_arm::relocate::relocate): Likewise.
2555         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2556         Likewise.
2557
2558 2009-09-16  Cary Coutant  <ccoutant@google.com>
2559
2560         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2561         * testsuite/Makefile.in: Regenerate.
2562
2563 2009-09-11  Nick Clifton  <nickc@redhat.com>
2564
2565         * po/gold.pot: Updated by the Translation project.
2566
2567 2009-09-08  Cary Coutant  <ccoutant@google.com>
2568
2569         * output.cc (Output_file::open): Add execute permission to empty file.
2570         * testsuite/Makefile.am (permission_test): New test.
2571         * testsuite/Makefile.in: Regenerate.
2572
2573 2009-09-02  Ian Lance Taylor  <iant@google.com>
2574
2575         * output.cc (Output_file::resize): Call map_no_anonymous rather
2576         than map.
2577
2578 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2579
2580         * gold.cc: Include "incremental.h".
2581         (queue_initial_tasks): Call Incremental_checker methods.
2582         * incremental.cc: Include "output.h".
2583         (Incremental_checker::can_incrementally_link_output_file): New
2584         method.
2585         * incremental.h (Incremental_checker): New class.
2586
2587         * output.cc (Output_file::open_for_modification): New method.
2588         (Output_file::map_anonymous): Changed return type to bool.  Record
2589         map in base_ field.
2590         (Output_file::map_no_anonymous): New method, broken out of map.
2591         (Output_file::map): Use map_no_anonymous and map_anonymous.
2592         * output.h (class Output_file): Update declarations.
2593
2594 2009-08-24  Cary Coutant  <ccoutant@google.com>
2595
2596         * options.h (Command_line::Pre_options): New class.
2597         (Command_line::pre_options): New member.
2598         * options.cc (gold::options::ready_to_register): New variable.
2599         (One_option::register_option): Do nothing if not registering options.
2600         Assert if same short option registered twice.
2601         (General_options::General_options): Turn off option registration when
2602         done constructing.
2603         (Command_line::Pre_options::Pre_options): New constructor.
2604
2605 2009-08-24  Cary Coutant  <ccoutant@google.com>
2606
2607         * options.h (General_options::no_keep_memory): Remove incorrect
2608         short option.
2609
2610 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2611
2612         * Makefile.am (am__skiplex, am__skipyacc): New.
2613         * Makefile.in: Regenerate.
2614
2615 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2616
2617         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2618         (INCLUDES): ... this.
2619         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2620         (AM_CPPFLAGS): Renamed from ...
2621         (INCLUDE): ... this.
2622         * Makefile.in, testsuite/Makefile.in: Regenerate.
2623
2624         * Makefile.in: Regenerate.
2625         * aclocal.m4: Likewise.
2626         * config.in: Likewise.
2627         * configure: Likewise.
2628         * testsuite/Makefile.in: Likewise.
2629
2630         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2631         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2632         * Makefile.in: Regenerate.
2633         * testsuite/Makefile.in: Regenerate.
2634
2635 2009-08-19  Cary Coutant  <ccoutant@google.com>
2636
2637         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2638         symbols in shared libraries overridden by hidden or internal symbols
2639         in the main program.
2640
2641 2009-08-19  Chris Demetriou  <cgd@google.com>
2642
2643         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2644         checking source file names in error messages.
2645
2646 2009-08-18  Doug Kwan  <dougkwan@google.com>
2647
2648         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2649         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2650         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2651         an elfcpp::Ehdr as parameter.
2652         * object.cc (Object::set_target): Remove the version that looks up
2653         a target and sets it.
2654         (Sized_relobj::setup): Take a Target object instead of
2655         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2656         (make_elf_sized_object): Find target and ask target to
2657         make an ELF object.
2658         * object.h: (Object::set_target): Remove the version that looks up
2659         a target and sets it.
2660         (Sized_relobj::setup): Take a Target object instead of
2661         an elfcpp:Ehdr as parameter.
2662         * target.cc: Include dynobj.h.
2663         (Target::do_make_elf_object_implementation): New.
2664         (Target::do_make_elf_object): New.
2665         * target.h (Target::make_elf_object): New template declaration.
2666         (Target::do_make_elf_object): New method declarations.
2667         (Target::do_make_elf_object_implementation): New template declaration.
2668
2669 2009-08-14  Ian Lance Taylor  <iant@google.com>
2670
2671         * gold.h (FUNCTION_NAME): Define.
2672         (gold_unreachable): Use FUNCTION_NAME.
2673
2674 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2675
2676         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2677         symbol in the --keep-unique list is not found.
2678
2679 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2680
2681         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2682         been maked as --keep-unique.
2683         (Icf::unfold_section): New function.
2684         * icf.h (Icf::unfold_section): New function.
2685         * options.h (General_options::keep_unique): New option.
2686         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2687         * testsuite/Makefile.in: Regenerate.
2688         * testsuite/icf_keep_unique_test.sh: New file.
2689         * testsuite/icf_keep_unique_test.cc: New file.
2690
2691 2009-08-12  Cary Coutant  <ccoutant@google.com>
2692
2693         PR 10471
2694         * resolve.cc (Symbol_table::resolve): Check for references from
2695         dynamic objects to hidden and internal symbols.
2696         * testsuite/Makefile.am (hidden_test.sh): New test.
2697         * testsuite/Makefile.in: Regenerate.
2698         * testsuite/hidden_test.sh: New script.
2699         * testsuite/hidden_test_1.c: New test source.
2700         * testsuite/hidden_test_main.c: New test source.
2701
2702 2009-08-11  Doug Kwan  <dougkwan@google.com>
2703
2704         * arm.cc: Update comments.
2705         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2706         segment to locate the .ARM.exidx section if present.
2707
2708 2009-08-09  Doug Kwan  <dougkwan@google.com>
2709
2710         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2711         patch.
2712
2713 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2714         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2715         compiler warnings.
2716
2717 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2718
2719         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2720         valid tls_segment only for non-debug-section relocations.
2721         * testsuite/Makefile.am: Add gc_tls_test.
2722         * testsuite/Makefile.in: Regenerate.
2723         * testsuite/gc_tls_test.cc: New file.
2724         * testsuite/gc_tls_test.sh: New file.
2725
2726 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2727
2728         * icf.cc: New file.
2729         * icf.h: New file.
2730         * Makefile.am (CCFILES): Add icf.cc.
2731         (HFILES): Add icf.h
2732         * Makefile.in: Regenerate.
2733         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2734         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2735         section, symbol and addend information for the relocs.
2736         * gold.cc (queue_middle_tasks): Call identical code folding.
2737         * gold.h: Add defines for multimap.
2738         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2739         to the call of finalize_local_symbols.
2740         * main.cc (main): Create object of class Icf.
2741         * object.cc (Sized_relobj::do_layout): Allow this function to be
2742         called twice during icf.
2743         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2744         to sections marked as identical by icf.
2745         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2746         when available.
2747         (Sized_relobj::do_section_entsize): New function.
2748         * object.h (Object::section_entsize): New function.
2749         (Object::do_section_entsize): New pure virtual function.
2750         (Relobj::finalize_local_symbols): Add new parameter.
2751         (Relobj::do_section_entsize): New function.
2752         * options.h (General_options::icf): New option.
2753         (General_options::icf_iterations): New option.
2754         (General_options::print_icf_sections): New option.
2755         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2756         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2757         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2758         icf.
2759         * symtab.cc (Symbol_table::is_section_folded): New function.
2760         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2761         to sections marked as identical by icf.
2762         * symtab.h (Symbol_table::set_icf): New function.
2763         (Symbol_table::icf): New function.
2764         (Symbol_table::is_section_folded): New function.
2765         (Symbol_table::icf_): New data member.
2766         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2767         * testsuite/Makefile.am: Add commands to build icf_test.
2768         * testsuite/Makefile.in: Regenerate.
2769         * testsuite/icf_test.sh: New file.
2770         * testsuite/icf_test.cc: New file.
2771
2772 2009-07-24  Chris Demetriou  <cgd@google.com>
2773
2774         * layout.cc (is_compressible_debug_section): Fix incorrect
2775         comment about compressed section names.
2776
2777 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2778
2779         PR 10419
2780         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2781
2782 2009-07-16  Ian Lance Taylor  <iant@google.com>
2783
2784         PR 10400
2785         * layout.h: #include <map>.
2786         (class Kept_section): Change from struct to class.  Add accessors
2787         and setters.  Add section size to Comdat_group mapping.  Change
2788         Comdat_group to std::map.  Add is_comdat_ field.  Add
2789         linkonce_size field in union.
2790         (class Layout): Update declaration of find_or_add_kept_section.
2791         Don't declare find_kept_object.
2792         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2793         parameter.  Add object, shndx, is_comdat, and is_group_name
2794         parameters.  Change all callers.  Adjust for new Kept_section.
2795         (Layout::find_kept_object): Remove.
2796         * object.cc (Sized_relobj::include_section_group): Update use of
2797         Kept_section.  Rename secnum to shndx.  Only record
2798         Kept_comdat_section if sections are the same size.
2799         (Sized_relobj::include_linkonce_section): Update use of
2800         Kept_section.  Only record Kept_comdat_section if sections are the
2801         same size.  Set size of linkonce section.
2802         (Sized_relobj::map_to_kept_section): Update call to
2803         get_kept_comdat_section.
2804         * object.h (class Sized_relobj): Rename fields in
2805         Kept_comdat_section to drop trailing underscores; change object
2806         field to Relobj*.  Change Kept_comdat_section_table to store
2807         struct rather than pointer.
2808         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2809         Add kept_object and kept_shndx parameters.  Change all callers.
2810         (Sized_relobj::get_kept_comdat_section): Change return type to
2811         bool.  Add kept_object and kept_shndx parameters.  Change all
2812         callers.
2813         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2814         Layout::find_or_add_kept_section.
2815
2816 2009-07-09  Ian Lance Taylor  <iant@google.com>
2817
2818         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2819         Reserve space in the hash table.
2820
2821 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2822
2823         * fileread.cc (File_read::get_mtime): New method.
2824         * fileread.h (Timespec): New structure.
2825         (File_read::get_mtime): New method.
2826         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2827         Renamed from timestamp_nsec.
2828         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2829         Elf_Xword.
2830         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2831         timestamp_nsec.
2832         (Incremental_inputs::report_archive): Save mtime; style fix.
2833         (Incremental_inputs::report_obejct): Save mtime; style fix.
2834         (Incremental_inputs::report_script): Save mtime; style fix.
2835         (Incremental_inputs::finalize_inputs): Style fix.
2836         (Incremental_inputs::finalize): Style fix.
2837         (Incremental_inputs::create_input_section_data): Store inputs
2838         mtime.
2839         * incremental.h (Incremental_inputs::report_script): Add mtime
2840         argument.
2841         (Incremental_inputs::Input_info::Input_info): Intialize only one
2842         union member.
2843         (Incremental_inputs::Input_info::archive): Move to nameless
2844         union.
2845         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2846         (Incremental_inputs::Input_info::script): Move to nameless union.
2847         (Incremental_inputs::mtime): New field.
2848         * script.cc (read_input_script): Pass file mtime to
2849         Incremental_input.
2850         * script.h (Script_info::inputs): Style fix.
2851
2852 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2853
2854         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2855         instead of 32.
2856
2857 2009-06-24  Ian Lance Taylor  <iant@google.com>
2858
2859         PR 10156
2860         * layout.cc (Layout::choose_output_section): If we find an
2861         existing section, update the flags.
2862         (Layout::create_notes): New function, broken out of
2863         Layout::finalize.
2864         (Layout::finalize): Don't create note sections.
2865         (Layout::create_note): Don't crash if linker script discards
2866         section.
2867         (Layout::create_gold_note): Likewise.
2868         (Layout::create_build_id): Likewise.  Don't set
2869         after_input_sections on the section.
2870         (Layout::create_executable_stack_info): Remove target parameter.
2871         Change caller.
2872         * layout.h (class Layout): Declare create_notes.  Update
2873         declaration of create_executable_stack_info.
2874         * gold.cc (queue_middle_tasks): Call create_notes.
2875         * output.cc (Output_section::update_flags_for_input_section): Move
2876         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2877         invalid.
2878         * output.h (Output_data::mark_address_invalid): New function.
2879         (class Output_section): Only declare, not define,
2880         update_flags_for_input_section.  Remove set_flags.
2881
2882 2009-06-24  Ian Lance Taylor  <iant@google.com>
2883
2884         * script-sections.cc (Output_section_definition::
2885         set_section_addresses): Rename shadowing local load_address to
2886         laddr.
2887
2888 2009-06-24  Ian Lance Taylor  <iant@google.com>
2889
2890         PR 10244
2891         * reloc.cc (relocate_sections): Skip empty relocation sections.
2892
2893 2009-06-23  Ian Lance Taylor  <iant@google.com>
2894
2895         PR 10156
2896         * layout.cc (Layout::create_note): Use choose_output_section
2897         rather than make_output_section.
2898
2899 2009-06-23  Ian Lance Taylor  <iant@google.com>
2900
2901         PR 10237
2902         * options.cc (General_options::parse_V): Set printed_version_.
2903         (General_options::General_options): Initialize printed_version_.
2904         * options.h (class General_options): Add printed_version_ field.
2905         * gold.cc (queue_initial_tasks): If there are no input files,
2906         don't give a fatal error if we printed the version information.
2907         (queue_middle_tasks): If using -r with a shared object, give a
2908         fatal error rather than an ordinary error.
2909
2910 2009-06-23  Ian Lance Taylor  <iant@google.com>
2911
2912         PR 10219
2913         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2914         (Layout::make_output_section): Set have_stabstr_section_ if we see
2915         a .stab*str section.
2916         (Layout::finalize): Call link_stabs_sections.
2917         (Layout::link_stabs_sections): New file.
2918         * layout.h (class Layout): Add have_stabstr_section_ field.
2919         Declare link_stabs_sections.
2920
2921 2009-06-23  Doug Kwan  <dougkwan@google.com>
2922
2923         * Makefile.am (libgold_a_LIBADD): New.
2924         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2925         * Makefile.in: Regenerate.
2926         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2927         * configure: Regenerate.
2928         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2929         * fileread.cc: Include sys/state.h
2930         * gold.h: Declare memmem and strndup if found missing.
2931         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2932
2933 2009-06-23  Ian Lance Taylor  <iant@google.com>
2934
2935         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2936         * configure: Rebuild.
2937
2938 2009-06-23  Ian Lance Taylor  <iant@google.com>
2939
2940         PR 10147
2941         * object.cc (Object::section_contents): Don't try to get a view if
2942         the section has length zero.
2943         (Object::handle_gnu_warning_section): If the section is empty, use
2944         the name of the section as the warning.
2945
2946 2009-06-23  Ian Lance Taylor  <iant@google.com>
2947
2948         PR 10133
2949         * stringpool.h (class Stringpool_template): Add optimize_ field.
2950         (Stringpool_template::set_optimize): New function.
2951         * stringpool.cc (Stringpool_template::Stringpool_template):
2952         Initialize optimize_ field.
2953         (Stringpool_template::set_string_offsets): Test local optimize
2954         fild rather than parameter.
2955         * layout.cc (Layout::Layout): Call set_optimize on the section
2956         name stringpool.
2957
2958 2009-06-22  Ian Lance Taylor  <iant@google.com>
2959
2960         PR 10030
2961         * yyscript.y: Parse TARGET.
2962         * script.cc (script_set_target): New function.
2963         * script-c.h (script_set_target): Declare.
2964         * options.cc (General_options::string_to_object_format): Rename
2965         from string_to_object_format in anonymous namespace.  Change
2966         callers.
2967         * options.h (class General_options): Declare
2968         string_to_object_format.
2969
2970 2009-06-22  Ian Lance Taylor  <iant@google.com>
2971
2972         * script-sections.cc (Script_sections::create_segments): Don't put
2973         program headers in a PT_LOAD segment if -n or -N.
2974
2975 2009-06-22  Ian Lance Taylor  <iant@google.com>
2976
2977         PR 10141
2978         * options.h (class General_options): Add -z lazy and -z now.  Sort
2979         -z options into alphabetical order.
2980         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2981
2982 2009-06-21  Ian Lance Taylor  <iant@google.com>
2983
2984         * layout.cc (Layout::make_output_section): Call
2985         Target::new_output_section.
2986         (Layout::attach_allocated_section_to_segment): Put large section
2987         sections in a separate load segment with the large segment flag
2988         set.
2989         (Layout::segment_precedes): Sort large data segments after other
2990         load segments.
2991         (align_file_offset): New static function.
2992         (Layout::set_segment_offsets): Use align_file_offset.
2993         * output.h (class Output_section): Add is_small_section_ and
2994         is_large_section_ fields.
2995         (Output_section::is_small_section): New function.
2996         (Output_section::set_is_small_section):  New function.
2997         (Output_section::is_large_section): New function.
2998         (Output_section::set_is_large_section): New function.
2999         (Output_section::is_large_data_section): New function.
3000         (class Output_segment): Add is_large_data_segment_ field.
3001         (Output_segment::is_large_data_segment): New function.
3002         (Output_segment::set_is_large_data_segment): New function.
3003         * output.cc (Output_section::Output_section): Initialize new
3004         fields.
3005         (Output_segment::Output_segment): Likewise.
3006         (Output_segment::add_output_section): Add assertion that large
3007         data sections always go in large data segments.  Force small data
3008         sections to the end of the list of data sections.  Force small BSS
3009         sections to the start of the list of BSS sections.  For large BSS
3010         sections to the end of the list of BSS sections.
3011         * symtab.h (class Symbol): Declare is_common_shndx.
3012         (Symbol::is_defined): Check Symbol::is_common_shndx.
3013         (Symbol::is_common): Likewise.
3014         (class Symbol_table): Define enum Commons_section_type.  Update
3015         declarations.  Add small_commons_ and large_commons_ fields.
3016         * symtab.cc (Symbol::is_common_shndx): New function.
3017         (Symbol_table::Symbol_table): Initialize new fields.
3018         (Symbol_table::add_from_object): Put small and large common
3019         symbols in the right list.
3020         (Symbol_table::sized_finalized_symbol): Check
3021         Symbol::is_common_shndx.
3022         (Symbol_table::sized_write_globals): Likewise.
3023         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3024         common symbol lists.  Don't call do_allocate_commons_list if the
3025         list is empty.
3026         (Symbol_table::do_allocate_commons_list): Remove is_tls
3027         parameter.  Add comons_section_type parameter.  Change all
3028         callers.  Handle small and large common symbols.
3029         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3030         Symbol::is_common_shndx.
3031         * resolve.cc (symbol_to_bits): Likewise.
3032         * target.h (Target::small_common_shndx): New function.
3033         (Target::small_common_section_flags): New function.
3034         (Target::large_common_shndx): New function.
3035         (Target::large_common_section_flags): New function.
3036         (Target::new_output_section): New function.
3037         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3038         small_common_section_flags, and large_common_section_flags
3039         fields.
3040         (Target::do_new_output_section): New virtual function.
3041         * arm.cc (Target_arm::arm_info): Initialize new fields.
3042         * i386.cc (Target_i386::i386_info): Likewise.
3043         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3044         Likewise.
3045         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3046         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3047         (Target_x86_64::do_new_output_section): New function.
3048         * configure.ac: Define conditional MCMODEL_MEDIUM.
3049         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3050         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3051         (large_LDFLAGS): Define.
3052         * testsuite/large.c: New file.
3053         * testsuite/testfile.cc (Target_test::test_target_info):
3054         Initialize new fields.
3055         * configure, testsuite/Makefile.in: Rebuild.
3056
3057 2009-06-05  Doug Kwan  <dougkwan@google.com>
3058
3059         * Makefile.am (CCFILES): Add target.cc.
3060         * Makefile.in: Regenerate.
3061         * i386.cc (class Target_i386): Define new virtual method to
3062         override do_is_local_label_name in parent.
3063         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3064         local symbols if --discard-locals or -X is given.
3065         * options.h (class General_options): Declare new options
3066         '--discard-locals' and '-X' for discarding locals.
3067         * target.h (class Target): Define new methods is_local_label_name.
3068         Declare new virtual method do_is_local_label_name.
3069         * target.cc: New file.
3070         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3071         (check_SCRIPTS): Add discard_locals_test.sh.
3072         (check_DATA): Add discard_local_tests.syms.
3073         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3074         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3075         * testsuite/Makefile.in: Regenerate.
3076         * testsuite/discard_locals_test.c: New file.
3077         * testsuite/discard_locals_test.sh: Same.
3078
3079 2009-06-05  Doug Kwan  <dougkwan@google.com>
3080
3081         * object.cc (Sized_relobj::Sized_relobj): Initialize
3082         discarded_eh_frame_shndx_ to -1U.
3083         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3084         section.
3085         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3086         a discarded .eh_frame section.
3087         (Sized_relobj::do_finalize_local_symbols): Ditto.
3088         * object.h (class Sized_relobj): Declare new member
3089         discarded_eh_frame_shndx_.
3090         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3091         (local_labels_test.o, local_labels_test): New rules.
3092         * testsuite/Makefile.in: Regenerate.
3093
3094 2009-06-04  Doug Kwan  <dougkwan@google.com>
3095
3096         * layout.cc (Layout::section_name_mapping): Add mapping for
3097         special ARM sections.
3098
3099 2009-06-03  Doug Kwan  <dougkwan@google.com>
3100
3101         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3102         (utils::has_overflow): Same.
3103
3104 2009-06-03  Ian Lance Taylor  <iant@google.com>
3105
3106         * layout.cc (Layout::section_name_mapping): New array, replacing
3107         Layout::linkonce_mapping.
3108         (Layout::section_name_mapping_count): New variable, replacing
3109         Layout::linkonce_mapping_count.
3110         (Layout::linkonce_output_name): Remove.
3111         (Layout::output_section_name): Rewrite.
3112         * layout.h (class Layout): Rename Linkonce_mapping to
3113         Section_name_mapping, linkonce_mapping to section_name_mapping,
3114         linkonce_mapping_count to section_name_mapping_count.  Don't
3115         declare linkonce_output_name.
3116
3117 2009-06-03  Doug Kwan  <dougkwan@google.com>
3118
3119         * gold/arm.cc (namespace utils): New.
3120         (Target_arm::reloc_is_non_pic): Define new method.
3121         (class Arm_relocate_functions): New.
3122         (Target_arm::Relocate::relocate): Handle relocation types used by
3123         Android.
3124
3125 2009-06-03  Ian Lance Taylor  <iant@google.com>
3126
3127         * arm.cc (Target_arm::scan::global): Use || instead of |.
3128
3129 2009-06-02  Doug Kwan  <dougkwan@google.com>
3130
3131         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3132         issued_non_pic_error_.
3133         (class Target_arm::Scan): Declare new method check_non_pic.
3134         Define new method symbol_needs_plt_entry.
3135         Declare new data member issued_non_pic_error_.
3136         (class Target_arm::Relocate): Declare new method
3137         should_apply_static_reloc.
3138         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3139         (Target_arm::Scan::check_non_pic): Define new method.
3140         (Target_arm::Scan::local): Handle a small subset of reloc types used
3141         by Android.
3142         (Target_arm::Scan::local): Same.
3143         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3144
3145 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3146
3147         * incremental.cc (Incremental_inputs::report_command_line): Filter
3148         out --incremental-* options.
3149
3150 2009-05-29  Doug Kwan  <dougkwan@google.com>
3151
3152         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3153         template class.
3154         (class Target_arm): Update comment.
3155         (Target_arm::Target_arm): Initialize new data members GOT_,
3156         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3157         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3158         and Target_arm::rel_dyn_section.
3159         Declare new_enum Target_arm::Got_type.
3160         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3161         and DYNBSS_.
3162         Update commments for member do_dynsym_value.
3163         (Target_arm::got_size, Target_arm::plt_section,
3164         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3165         new methods inside class defintion.
3166         (Target_arm::got_section): Define new method.
3167         (Target_arm::rel_dyn_section): Same.
3168         (Output_data_plt_arm): New template class.
3169         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3170         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3171         (Output_data_plt_arm::add_entry): Same.
3172         (Output_data_plt_arm::first_plt_entry): Define new
3173         static data member for PLT instruction template.
3174         (Output_data_plt_arm::plt_entry): Same.
3175         (Output_data_plt_arm::do_write): Define new method.
3176         (Target_arm::make_plt_entry): Same.
3177         (Target_arm::do_finalize_sections): Same.
3178         (Target_arm::do_dynsym_value): Same.
3179
3180 2009-05-28  Doug Kwan  <dougkwan@google.com>
3181
3182         * Makefile.am (TARGETSOURCES): Add arm.cc.
3183         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3184         * Makefile.in: Regenerate.
3185         * arm.cc: New file.
3186         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3187
3188 2009-05-26  Doug Kwan  <dougkwan@google.com>
3189
3190         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3191         (General_options::check_excluded_libs): Strip off directories in
3192         archive name before matching like GNU ld does.
3193         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3194         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3195         (exclude_libs_test_LDFLAGS): Add linker option
3196         -Wl,--exclude-libs,libexclude_libs_test_3
3197         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3198         an explicit archive without using -l.
3199         (alt/libexclude_libs_test_3.a): New make rule.
3200         * testsuite/Makefile.in: Regenerate.
3201         * testsuite/exclude_libs_test.c : Declare lib3_default().
3202         (main): Call it.
3203         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3204         * exclude_libs_test_3.c: New file.
3205
3206 2009-05-26  Nick Clifton  <nickc@redhat.com>
3207
3208         * po/id.po: New Indonesian translation.
3209         * po/gold.pot: Updated template file.
3210
3211 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3212
3213         * testsuite/Makefile.am: Add -ffunction-sections to compile
3214         gc_comdat_test files.  Add -Wl,--gc-sections to build
3215         gc_comdat_test.
3216         * testsuite/Makefile.in: Regenerate.
3217         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3218
3219 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3220
3221         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3222         kept comdat section was garbage collected.
3223         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3224         * testsuite/Makefile.in: Regenerate.
3225         * testsuite/gc_comdat_test.sh: New file.
3226         * testsuite/gc_comdat_test_1.cc: New file.
3227         * testsuite/gc_comdat_test_2.cc: New file.
3228
3229 2009-05-19  Doug Kwan  <dougkwan@google.com>
3230
3231         * archive.cc (Archive::Archive): Move constructor from archive.h
3232         to here.  Initialize no_export_.
3233         (Archive::get_elf_object_for_member): Set no_export flag of object.
3234         * archive.h (Archive::Archive): Move constructor body to
3235         archive.cc.
3236         (Archive::no_export): New method.
3237         (Archive::no_export_): New field.
3238         * object.h (Object::Object): Initialize no_export_ to false.
3239         (Object::no_export, Object::set_no_export): New methods.
3240         (Object::no_export_): New field.
3241         * options.cc (General_options::parse_exclude_libs): New method.
3242         (General_options::check_excluded_libs) Same.
3243         * options.h (exclude_libs): New option.
3244         (General_options::check_excluded_libs): New method declaration.
3245         (General_options::excluded_libs_): New field.
3246         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3247         default or protected visibility if an object has no-export flag set.
3248         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3249         (check_SCRIPTS): Add exclude_libs_test.sh.
3250         (check_DATA): Add exclude_libs_test.syms.
3251         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3252         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3253         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3254         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3255         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3256         libexclude_libs_test_2.a): New rules.
3257         * testsuite/Makefile.in: Regenerate.
3258         * testsuite/exclude_libs_test.c: New file.
3259         * testsuite/exclude_libs_test.sh: Ditto.
3260         * testsuite/exclude_libs_test_1.c: Ditto.
3261         * testsuite/exclude_libs_test_2.c: Ditto.
3262
3263 2009-05-15  Ian Lance Taylor  <iant@google.com>
3264
3265         * configure.ac: Check for declarations for cases where libiberty.h
3266         checks HAVE_DECL_xxx.
3267         * configure, config.in: Rebuild.
3268
3269 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3270
3271         * gold.h (Incremental_argument_list): Remove (invalid) forward
3272         declaration.
3273         * incremental.cc (Incremental_inputs::report_achive): New method.
3274         (Incremental_inputs::report_object): New method.
3275         (Incremental_inputs::report_script): New method.
3276         (Incremental_inputs::finalize_inputs): New method.
3277         (Incremental_inputs::finalize): Call finalize_inputs().
3278         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3279         Create inputs entries.
3280         * incremental.h (Incremental_input_type): New enum.
3281         (Incremental_inputs::Incremental_input): Initialize new fields.
3282         (Incremental_inputs::report_inputs): New method.
3283         (Incremental_inputs::report_achive): New method.
3284         (Incremental_inputs::report_object): New method.
3285         (Incremental_inputs::report_script): New method.
3286         (Incremental_inputs::finalize_inputs): New method.
3287         (Incremental_inputs::Input_info): New struct.
3288         (Incremental_inputs::Input_info_map): New typedef.
3289         (Incremental_inputs::lock_): New field.
3290         (Incremental_inputs::Inputs_): New field.
3291         (Incremental_inputs::Inputs_map): New field.
3292         * main.cc (main): Call Incremental_input::report_inputs.
3293         * options.h (Input_argument_list): Typedef moved from
3294         Input_arguments.
3295         (Input_file_group::Files): Remove, use ::Input_argument_list.
3296         (Input_file_group::Input_argument_list): Remove, use
3297         ::Input_argument_list.
3298         * plugin.cc (Plugin_manager::add_input_file): Add error in
3299         incremental build.
3300         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3301         functions.
3302         * script.cc (read_input_script): Call
3303         Incremental_input::report_script.
3304         * script.h (Script_info): New class.
3305
3306 2009-04-27  Ian Lance Taylor  <iant@google.com>
3307
3308         * x86_64.cc (do_adjust_output_section): Set entsize to
3309         plt_entry_size.
3310
3311 2009-04-23  Elliott Hughes  <enh@google.com>
3312
3313         * output.cc (Output_file::close): After short writes, continue
3314         writing from the correct offset in the buffer being written.
3315
3316 2009-04-23  Chris Demetriou  <cgd@google.com>
3317
3318         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3319         * configure: Regenerate.
3320         * config.in: Regenerate.
3321         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3322         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3323
3324 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3325
3326         * incremental.cc (Incremental_inputs_header_data): Renamed from
3327         Incremental_input_header_data.
3328         (Incremental_inputs_header_data::data_size): New field.
3329         (Incremental_inputs_header_data::put_input_file_count): Renamed
3330         from input_file_count.
3331         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3332         from command_line_offset.
3333         (Incremental_inputs_header_data::put_reserved): Renamed from
3334         put_reserved.
3335         (Incremental_inputs_entry_data): Renamed from
3336         Incremental_input_entry_data.
3337         (Incremental_inputs_entry_data::data_size): New field.
3338         (Incremental_inputs::report_command_line): New method.
3339         (Incremental_inputs::finalize): New method.
3340         (Incremental_inputs::create_incremental_inputs_data): New method.
3341         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3342         * incremental.h: New file.
3343         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3344        (Layout::finalize): Create incremental inputs section in
3345         incremental builds.
3346        (Layout::create_incremental_info_sections): New method.
3347         * layout.h (Layout::incremental_inputs): New method.
3348        (Layout::create_incremental_info_sections): New method.
3349        (Layout::incremental_inputs_): New field.
3350         * main.cc (main): Notify Incremental_input of the command line.
3351
3352 2009-04-01  Ian Lance Taylor  <iant@google.com>
3353             Mikolaj Zalewski  <mikolajz@google.com>
3354
3355         * gold.h (reserve_unordered_map): Define, three versions, one for
3356         each version of Unordered_map.
3357         * layout.cc (Layout::Layout): Remove options parameter.  Add
3358         number_of_input_files parameter.  Don't initialize options_.
3359         Initialize number_of_input_files_ and resized_signatures_.  Move
3360         sections_are_attached_.
3361         (Layout::layout_group): Reserve space for group_signatures_.
3362         (Layout::find_or_add_kept_section): Change name parameter to be a
3363         reference.  Resize signatures_ map when it gets large enough.
3364         (Layout::layout_eh_frame): Use parameters->options() instead of
3365         this->options_.
3366         (Layout::make_output_section): Likewise.
3367         (Layout::attach_allocated_section_to_segment): Likewise.
3368         (Layout::finalize, Layout::create_executable_stack): Likewise.
3369         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3370         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3371         * layout.h (class Layout): Update declarations.  Remove options_
3372         field.  Add number_of_input_files_ and resized_signatures_
3373         fields.  Move sections_are_attached_ field.
3374         * main.cc (main): Pass number of input files to Layout
3375         constructor.  Don't pass options.
3376
3377 2009-03-30  Ian Lance Taylor  <iant@google.com>
3378
3379         * ffsll.c (ffsll): Correct implementation.
3380
3381 2009-03-27  Ian Lance Taylor  <iant@google.com>
3382
3383         * ffsll.c: New file.
3384         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3385         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3386         * ftruncate.c (ftruncate): Declare before definition.
3387         * mremap.c (mremap): Likewise.
3388         * pread.c (pread): Likewise.
3389         * configure, Makefile.in, config.in: Rebuild.
3390
3391         * mremap.c: New file.
3392         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3393         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3394         (mremap): Declare if HAVE_MREMAP is not defined.
3395         * configure, Makefile.in, config.in: Rebuild.
3396
3397 2009-03-27  Cary Coutant  <ccoutant@google.com>
3398
3399         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3400         position independent.
3401         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3402         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3403
3404 2009-03-24  Cary Coutant  <ccoutant@google.com>
3405
3406         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3407         an executable.
3408         (needs_dynamic_reloc): Likewise.
3409
3410 2009-03-24  Ian Lance Taylor  <iant@google.com>
3411
3412         * yyscript.y (file_cmd): Recognize EXTERN.
3413         (extern_name_list, extern_name_list_body): New nonterminals.
3414         * script.cc (script_add_extern): Define.
3415         * script-c.h (script_add_extern): Declare.
3416
3417 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3418
3419         * object.cc (is_elf_object): Define.
3420         * object.h (is_elf_object): Declare.
3421         * archive.cc (Archive::get_elf_object_for_member): Call
3422         is_elf_object.
3423         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3424
3425 2009-03-24  Elliott Hughes  <enh@google.com>
3426
3427         * output.cc (Output_file::map_anonymous): Define.
3428         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3429         try an anonymous one.  Report the size if the mmap fails.
3430         * output.h (class Output_file): Declare map_anonymous.
3431
3432 2009-03-24  Ian Lance Taylor  <iant@google.com>
3433
3434         * target-select.cc (instantiate_target): Don't acquire the lock if
3435         the instantiated_target_ field has already been set.
3436
3437 2009-03-23  Ian Lance Taylor  <iant@google.com>
3438
3439         * gold-threads.h (class Initialize_lock): Define.
3440         * gold-threads.cc (class Initialize_lock_once): Define.
3441         (initialize_lock_control): New static variable.
3442         (initialize_lock_pointer): New static variable.
3443         (initialize_lock_once): New static function.
3444         (Initialize_lock::Initialize_lock): Define.
3445         (Initialize_lock::initialize): Define.
3446         * target-select.h: Include "gold-threads.h".
3447         (class Target_selector): Add lock_ and initialize_lock_ fields.
3448         Don't define instantiate_target, just declare it.
3449         * target-select.cc (Target_selector::Target_selector): Initialize
3450         new fields.
3451         (Target_selector::instantiate_target): Define.
3452         * descriptors.h: Include "gold-threads.h".
3453         (class Descriptors): Add initialize_lock_ field.
3454         * descriptors.cc (Descriptors::Descriptors): Initialize new
3455         field.
3456         (Descriptors::open): Use initialize_lock_ field
3457         * errors.h (class Errors): Add initialize_lock_ field.
3458         * errors.cc (Errors::Errors): Initialize new field.
3459         (Errors::initialize_lock): Use initialize_lock_ field.
3460         * powerpc.cc (class Target_selector_powerpc): Remove
3461         instantiated_target_ field.  In do_recognize call
3462         instantiate_target rather than do_instantiate_target.  In
3463         do_instantiate_target just allocate a new target.
3464         * sparc.cc (class Target_selector_sparc): Likewise.
3465
3466         * freebsd.h: New file.
3467         * i386.cc: Include "freebsd.h".
3468         (Target_i386): Derive from Target_freebsd rather than
3469         Sized_target.
3470         (Target_selector_i386): Derive from Target_selector_freebsd rather
3471         than Target_selector.
3472         * x86_64.cc: Include "freebsd.h".
3473         (Target_x86_64): Derive from Target_freebsd rather than
3474         Sized_target.
3475         (Target_selector_x86_64): Derive from Target_selector_freebsd
3476         rather than Target_selector.
3477         * target.h (class Target): Add adjust_elf_header and
3478         do_adjust_elf_header.
3479         * output.cc (Output_file_header:: do_sized_write): Call target
3480         adjust_elf_header routine.
3481         * configure.tgt: Set targ_osabi.
3482         * configure.ac: Define GOLD_DEFAULT_OSABI.
3483         * parameters.cc (Parameters::default_target): Pass
3484         GOLD_DEFAULT_OSABI to select_target.
3485         * target-select.h (class Target_selector): Make instantiate_target
3486         protected rather than private.
3487         * Makefile.am (HFILES): Add freebsd.h.
3488         * configure, Makefile.in, config.in: Rebuild.
3489
3490         * merge.cc (do_add_input_section): Correct pend value.  Change
3491         message about last entry not being null terminated from error to
3492         warning.
3493
3494 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3495
3496         * incremental.cc: New file.
3497         * Makefile.am (CCFILES): Add incremental.cc.
3498         * Makefile.in: Rebuild.
3499
3500 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3501
3502         * layout.cc (Layout::output_section_name): Preserve names
3503         of '.note.' sections.
3504
3505 2009-03-19  Ian Lance Taylor  <iant@google.com>
3506
3507         * descriptors.cc (Descriptors::open): Check that the options are
3508         valid before using them.
3509
3510 2009-03-18  Ian Lance Taylor  <iant@google.com>
3511
3512         * script-sections.h: Include <list>.
3513         (class Script_sections): Change Sections_elements from std::vector
3514         to std::list.  Typedef public Elements_iterator.  Add
3515         orphan_section_placement_, data_segment_align_start_, and
3516         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3517         field.
3518         * script-sections.cc (class Orphan_section_placement): New class.
3519         (class Sections_element): Add virtual functions is_relro and
3520         orphan_section_init.  Remove virtual function place_orphan_here.
3521         (class Output_section_definition): Add is_relro and
3522         orphan_section_init.  Remove place_orphan_here.
3523         (class Orphan_output_section): Likewise.
3524         (Script_sections::Script_sections): Update for field changes.
3525         (Script_sections::data_segment_align): Set saw_data_segment_align_
3526         and data_segment_align_start_, not data_segment_align_index.
3527         (Script_sections::data_segment_relro_end): Check
3528         saw_data_segment_align_.  Use data_segment_align_start_ rather
3529         than data_segment_align_index_.
3530         (Script_sections::place_orphan): Rewrite to use
3531         Orphan_section_placement.
3532
3533 2009-03-17  Ian Lance Taylor  <iant@google.com>
3534
3535         * archive.cc (Archive::add_symbols): Check for a version attached
3536         to the symbol name in the archive map.
3537         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3538         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3539         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3540         (ver_test_11.a): New target.
3541         * testsuite/Makefile.in: Rebuild.
3542
3543         * configure.ac: Check for chsize and posix_fallocate.  Replace
3544         ftruncate.
3545         * ftruncate.c: New file, from gnulib.
3546         * output.cc (posix_fallocate): Define dummy version if not
3547         HAVE_POSIX_FALLOCATE.
3548         (Output_file::map): Call posix_fallocate rather than lseek and
3549         write.
3550         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3551         * configure, Makefile.in, config.in: Rebuild.
3552
3553 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3554
3555         * layout.h (Layout::create_note): Add section_name parameter.
3556         * layout.cc (Layout::create_note): Likewise.
3557         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3558
3559 2009-03-17  Ian Lance Taylor  <iant@google.com>
3560
3561         * descriptors.cc: Include "options.h".
3562         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3563         (Descriptors::open): Always use O_CLOEXEC when opening a new
3564         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3565         then set FD_CLOEXEC.
3566
3567         * sparc.cc (class Target_sparc): Add has_got_section.
3568         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3569         make sure we have a GOT section.
3570
3571         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3572         (Target_sparc::Scan::local): Likewise.
3573         (Target_sparc::Scan::global): Likewise.
3574         (Target_sparc::Relocate::relocate): Likewise.
3575         (Target_sparc::Relocate::relocate_tls): Likewise.
3576
3577         * symtab.cc (Symbol_table::define_default_version): New function,
3578         broken out of add_from_object.
3579         (Symbol_table::add_from_object): Call define_default_version.
3580         (Symbol_table::define_special_symbol): Add resolve_oldsym
3581         parameter.  Change all callers.  If the version for a symbol comes
3582         from a version script, resolve it with the symbol with the same
3583         name with no version.  Also add the symbol without a version if
3584         appropriate.
3585         (do_define_in_output_data): If resolving with oldsym, don't delete
3586         sym.
3587         (do_define_in_output_segment): Likewise.
3588         (do_define_as_constant): Likewise.
3589         * symtab.h (class Symbol_table): Update declarations.
3590
3591 2009-03-13  Ian Lance Taylor  <iant@google.com>
3592
3593         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3594         (Read_symbols::requeue): New function.
3595         (Read_symbols::do_read_symbols): If make_elf_object fails because
3596         the target type is not configured, and the file was searched for,
3597         issue a warning and retry with the next directory.
3598         (Add_symbols::run): If the file has an incompatible format, and
3599         it was searched for, requeue the Read_symbols task.  On error,
3600         release the object.
3601         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3602         dirindex parameter to constructor.  Change all callers.  Declare
3603         incompatible_warning and requeue.
3604         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3605         input_argument_ and input_group_ fields.  Add them to
3606         constructor.  Change all callers.
3607         (class Read_script): Add dirindex_ field.  Add it to constructor.
3608         Change all callers.
3609         * archive.cc (Archive::setup): Remove input_objects parameter.
3610         Change all callers.
3611         (Archive::get_file_and_offset): Likewise.
3612         (Archive::read_all_symbols): Likewise.
3613         (Archive::read_symbols): Likewise.
3614         (Archive::get_elf_object_for_member): Remove input_objects
3615         parameter.  Add punconfigured parameter.  Change all callers.
3616         (Archive::add_symbols): Change return type to bool.  Check return
3617         value of include_member.
3618         (Archive::include_all_members): Likewise.
3619         (Archive::include_member): Change return type to bool.  Return
3620         false if first included object has incompatible target.  Set
3621         included_member_ field.
3622         (Add_archive_symbols::run): If add_symbols returns false, requeue
3623         Read_symbols task.
3624         * archive.h (class Archive): Add included_member_ field.
3625         Initialize it in constructor.  Add input_file and searched_for
3626         methods.  Update declarations.
3627         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3628         input_argument_ fields.  Add them to constructor.  Change all
3629         callers.
3630         * script.cc: Include "target-select.h".
3631         (class Parser_closure): Add skip_on_incompatible_target_ and
3632         found_incompatible_target_ fields.  Add
3633         skip_on_incompatible_target parameter to constructor.  Change all
3634         callers.  Add methods skip_on_incompatible_target,
3635         clear_skip_on_incompatible_target, found_incompatible_target, and
3636         set_found_incompatible_target.
3637         (read_input_script): Add dirindex parameter.  Change all callers.
3638         If parser finds an incompatible target, requeue Read_symbols
3639         task.
3640         (script_set_symbol): Clear skip_on_incompatible_target in
3641         closure.
3642         (script_add_assertion, script_parse_option): Likewise.
3643         (script_start_sections, script_add_phdr): Likewise.
3644         (script_check_output_format): New function.
3645         * script.h (read_input_script): Update declaration.
3646         * script-c.h (script_check_output_format): Declare.
3647         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3648         (ignore_cmd): Remove OUTPUT_FORMAT.
3649         * fileread.cc (Input_file::Input_file): Add explicit this.
3650         (Input_file::will_search_for): New function.
3651         (Input_file::open): Add pindex parameter.  Change all callers.
3652         * fileread.h (class Input_file): Add input_file_argument method.
3653         Declare will_search_for.  Update declarations.
3654         * object.cc (make_elf_object): Add punconfigured parameter.
3655         Change all callers.
3656         * object.h (class Object): Make input_file public.  Add
3657         searched_for method.
3658         (make_elf_object): Update declaration.
3659         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3660         restart search.
3661         * dirsearch.h (class Dirsearch): Update declaration.
3662         * options.h (class General_options): Add --warn-search-mismatch.
3663         * parameters.cc (Parameters::is_compatible_target): New function.
3664         * parameters.h (class Parameters): Declare is_compatible_target.
3665         * workqueue.cc (Workqueue::add_blocker): New function.
3666         * workqueue.h (class Workqueue): Declare add_blocker.
3667
3668         * fileread.cc (Input_file::open): Remove options parameter.
3669         Change all callers.
3670         (Input_file::open_binary): Likewise.
3671         * script.cc (read_input_script): Likewise.
3672         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3673         options parameter from constructor.  Change all callers.
3674         (class Read_script): Likewise.
3675         * fileread.h (class Input_file): Update declarations.
3676         * script.h (read_input_script): Update declaration.
3677
3678 2009-03-10  Nick Clifton  <nickc@redhat.com>
3679
3680         * po/es.po: New Spanish translation.
3681
3682 2009-03-06  Cary Coutant  <ccoutant@google.com>
3683
3684         * options.cc (parse_short_option): Keep dash_z from registering itself.
3685
3686 2009-03-03  Ian Lance Taylor  <iant@google.com>
3687
3688         PR 9918
3689         * target-reloc.h (relocate_section): Pass output_section to
3690         relocate.
3691         * i386.cc (Target_i386::should_apply_static_reloc): Add
3692         output_section parameter.  Change all callers.
3693         (Target_i386::Relocate::relocate): Add output_section parameter.
3694         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3695         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3696         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3697         * testsuite/two_file_shared.sh: New script.
3698         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3699         (check_DATA): Add two_file_shared.dbg.
3700         (two_file_shared.dbg): New target.
3701         * testsuite/Makefile.in: Rebuild.
3702
3703 2009-03-01  Ian Lance Taylor  <iant@google.com>
3704
3705         * configure.ac: Check for byteswap.h.
3706         * configure: Rebuild.
3707         * config.in: Rebuild.
3708
3709 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3710
3711         * layout.cc (Layout::find_or_add_kept_section): New function.
3712         (Layout::add_comdat): Removed.
3713         * layout.h (struct Kept_section): Move out of class Layout.
3714         Remove trailing underscores from field names.  Add group_sections
3715         field.  Rename group_ field to is_group.  Change all uses.
3716         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3717         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3718         comdat_groups_ field.
3719         (Sized_relobj::include_section_group): Use
3720         find_or_add_kept_section and Kept_section::group_sections.
3721         (Sized_relobj::include_linkonce_section): Likewise.
3722         * object.cc (class Sized_relobj): Don't define Comdat_group or
3723         Comdat_group_table.  Remove find_comdat_group and
3724         add_comdat_group.  Remove comdat_groups_ field.
3725         * plugin.cc (include_comdat_group): Use
3726         Layout::find_or_add_kept_section.
3727
3728 2009-02-28  Ian Lance Taylor  <iant@google.com>
3729
3730         * README: --gc-sections and map files are now supported.  Document
3731         some build requirements.
3732
3733         PR 6992
3734         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3735         relocatable link set the value of the section symbol to zero.
3736         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3737         relocatable link don't include the section address in the local
3738         symbol value.
3739
3740 2009-02-27  Ian Lance Taylor  <iant@google.com>
3741
3742         PR 6811
3743         * options.h (class Search_directory): Add is_system_directory.
3744         (class General_options): Declare is_in_system_directory.
3745         * options.cc (get_relative_sysroot): Make static.
3746         (get_default_sysroot): Make static.
3747         (General_optoins::is_in_system_directory): New function.
3748         * fileread.cc (Input_file::is_in_system_directory): New function.
3749         * fileread.h (class Input_file): Declare is_in_system_directory.
3750         * object.h (class Object): Add is_in_system_directory.
3751         (class Input_objects): Remove system_library_directory_ field.
3752         * object.cc (Input_objects::add_object): Don't set
3753         system_library_directory_.
3754         (input_objects::found_in_system_library_directory): Remove.
3755         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3756         parameter.  Change all callers.
3757         (Symbol_table::sized_write_globals): Likewise.
3758         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3759         Call Object::is_in_system_directory.
3760         * symtab.h (class Symbol_table): Update declarations.
3761
3762         PR 5990
3763         * descriptors.h (Open_descriptor): Add is_on_stack field.
3764         * descriptors.cc (Descriptors::open): If the descriptor is on the
3765         top of the stack, remove it.  Initialize is_on_stack field.
3766         (Descriptors::release): Only add pod to stack if it is not on the
3767         stack already.
3768         (Descriptors::close_some_descriptor): Clear stack_next and
3769         is_on_stack fields.
3770
3771         PR 7091
3772         * output.cc (Output_section::find_starting_output_address): Rename
3773         from starting_output_address; add PADDR parameter; change return
3774         type.
3775         * output.h (class Output_section): Declare
3776         find_starting_output_address instead of starting_output_address.
3777         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3778         section symbol for which we can't find a merge section.
3779
3780         PR 9836
3781         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3782         hidden or internal, force the symbol to be local.
3783         * resolve.cc (Symbol::override_visibility): Define.
3784         (Symbol::override_base): Use override_visibility.
3785         (Symbol_table::resolve): Likewise.
3786         (Symbol::override_base_with_special): Likewise.
3787         (Symbol_table::override_with_special): If the visibility is hidden
3788         or internal, force the symbol to be local.
3789         * symtab.h (class Symbol): Add set_visibility and
3790         override_visibility.
3791         * testsuite/ver_test_1.sh: New file.
3792         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3793         (check_DATA): Add ver_test_1.syms.
3794         (ver_test_1.syms): New target.
3795         * testsuite/Makefile.in: Rebuild.
3796
3797 2009-02-25  Cary Coutant  <ccoutant@google.com>
3798
3799         * layout.cc (Layout::choose_output_section): Don't rename sections
3800         when using a linker script that has a SECTIONS clause.
3801         * Makefile.in: Regenerate.
3802
3803         * testsuite/Makefile.am (script_test_5.sh): New test case.
3804         * testsuite/Makefile.in: Regenerate.
3805         * testsuite/script_test_5.cc: New file.
3806         * testsuite/script_test_5.sh: New file.
3807         * testsuite/script_test_5.t: New file.
3808
3809 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3810
3811         * archive.cc (Archive::include_member): Update calls to add_symbols.
3812         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3813         the Layout argument.
3814         * dynobj.h (do_add_symbols): Add the Layout argument.
3815         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3816         Layout argument.
3817         * object.h (Object::add_symbols): Add the Layout argument.
3818         (Object::do_add_symbols): Add the Layout argument.
3819         (Sized_relobj::do_add_symbols): Add the Layout argument.
3820         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3821         Unify the two versions.
3822         (Add_plugin_symbols): Remove.
3823         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3824         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3825         (Add_plugin_symbols): Remove.
3826         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3827         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3828         (Add_symbols::run): Make it work with Pulginobj.
3829
3830 2009-02-06  Ian Lance Taylor  <iant@google.com>
3831
3832         * object.cc (Sized_relobj::do_layout): Make info message start
3833         with lower case letter.
3834
3835 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3836
3837         * binary.cc: Fix file comment.
3838
3839         * options.h (enum Incremental_disposition): Define.
3840         (class General_options): Add new options: --incremental,
3841         --incremental_changed, --incremental_unchanged,
3842         --incremental_unknown.  Add incremental_disposition_ and
3843         implicit_incremental_ fields.
3844         (General_options::incremental_disposition): New function.
3845         (class Position_dependent_options): Add incremental_disposition
3846         option.
3847         (Position_dependent_options::copy_from_options): Set incremental
3848         dispositions.
3849         * options.cc (General_options::parse_incremental_changed): New
3850         function.
3851         (General_options::parse_incremental_unchanged): New function.
3852         (General_options::parse_incremental_unknown): New function.
3853         (General_options::General_options): Initialize new fields
3854         incremental_disposition_ and implicit_incremental_.
3855         (General_options::finalize): Check for uasge of --incremental-*
3856         without --incremental.
3857
3858 2009-02-06  Chris Demetriou  <cgd@google.com>
3859
3860         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3861         pointer and to report location as the file name associated with
3862         the symbol.
3863         (gold_undefined_symbol_at_location): New function to replace the
3864         old gold_undefined_symbol functionality.
3865         * target-reloc.h (relocate_section): Update to use
3866         gold_undefined_symbol_at_location.
3867         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3868         Call gold_undefined_symbol function rather than gold_error.
3869         * errors.h (Errors::undefined_symbol): Take location as a
3870         string, rather than calculating it from a relocation.
3871         * errors.cc (Errors::fatal): Print "fatal error:" before the
3872         formatted message.
3873         (Errors::error, Errors::error_at_location): Print "error: "
3874         before the formatted message.
3875         (Errors::undefined_symbol): Take location as a string, rather
3876         than calculating it from a relocation.
3877         (gold_undefined_symbol_at_location): New function akin to
3878         old gold_undefined_symbol, calculates location from relocation.
3879         (gold_undefined_symbol): Change to take only a Symbol pointer
3880         and to report location as the file name associated with the symbol.
3881         * testsuite/debug_msg.sh: Update for changed error messages.
3882         * testsuite/undef_symbol.sh: Likewise.
3883
3884 2009-02-04  Duncan Sands  <baldrick@free.fr>
3885
3886         PR 9812
3887         * reduced_debug_output.h
3888         (Output_reduced_debug_abbrev_section::failed): Use format for
3889         gold_warning.
3890         (Output_reduced_debug_info_section::faild): Likewise.
3891
3892 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3893
3894         * script.cc (Lazy_demangler): New class.
3895         (Version_script_info::get_symbol_version_helper): Demangle a
3896         symbol only once.
3897
3898 2009-01-29  Cary Coutant  <ccoutant@google.com>
3899
3900         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3901         to __tls_get_addr.
3902         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3903
3904 2009-01-28  Ian Lance Taylor  <iant@google.com>
3905
3906         * version.cc (version_string): Bump to 1.9.
3907
3908         * gold.h: Include <cstring> and <stdint.h>.
3909         * version.cc: Include <cstdio>.
3910         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3911         warning.
3912         * reduced_debug_output.cc (insert_into_vector): Rename from
3913         Insert_into_vector; change all callers.  Use Swap_unaligned to
3914         avoid aliasing issue; remove union since it is unnecessary.
3915
3916 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3917
3918         * Makefile.am (CCFILES): Add gc.cc.
3919         (HFILES): Add gc.h.
3920         * Makefile.in: Regenerate.
3921         * gold.cc (Gc_runner): New class.
3922         (queue_initial_tasks): Call garbage collection related tasks
3923         when corresponding options are invoked.
3924         (queue_middle_gc_tasks): New function.
3925         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3926         processed early before laying out sections during garbage collection.
3927         * gold.h (queue_middle_gc_tasks): New function.
3928         (is_prefix_of): Move from "layout.cc".
3929         * i386.cc (Target_i386::gc_process_relocs): New function.
3930         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3931         * main.cc (main): Create object of class "Garbage_collection".
3932         * object.cc (Relobj::copy_symbols_data): New function.
3933         (Relobj::is_section_name_included): New function.
3934         (Sized_relobj::do_layout): Allow this function to be called twice
3935         during garbage collection and defer layout of section during the
3936         first call.
3937         * object.h (Relobj::get_symbols_data): New function.
3938         (Relobj::is_section_name_included): New function.
3939         (Relobj::copy_symbols_data): New function.
3940         (Relobj::set_symbols_data): New function.
3941         (Relobj::get_relocs_data): New function.
3942         (Relobj::set_relocs_data): New function.
3943         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3944         (Relobj::gc_process_relocs): New function.
3945         (Relobj::do_gc_process_relocs): New pure virtual function.
3946         (Relobj::sd_): New data member.
3947         (Sized_relobj::is_output_section_offset_invalid): New function.
3948         (Sized_relobj::do_gc_process_relocs): New function.
3949         * options.h (General_options::gc_sections): Modify to not be a no-op.
3950         (General_options::print_gc_sections): New option.
3951         * plugin.cc (Plugin_finish::run): Remove function call to
3952         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3953         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3954         * reloc.cc (Read_relocs::run): Add task to process relocs and
3955         determine unreferenced sections when doing garbage collection.
3956         (Gc_process_relocs): New class.
3957         (Sized_relobj::do_gc_process_relocs): New function.
3958         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3959         sections that are garbage collected.
3960         * reloc.h (Gc_process_relocs): New class.
3961         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3962         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3963         symbols whose corresponding sections are garbage collected.
3964         (Symbol_table::Symbol_table): Add new parameter for the garbage
3965         collection object.
3966         (Symbol_table::gc_mark_undef_symbols): New function.
3967         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3968         (Symbol_table::gc_mark_dyn_syms): New function.
3969         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3970         as garbage.
3971         (Symbol_table::add_from_object): Likewise.
3972         (Symbol_table::add_from_relobj): When building shared objects, do not
3973         treat externally visible symbols as garbage.
3974         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3975         table information for static and relocatable links.
3976         * symtab.h (Symbol_table::set_gc): New function.
3977         (Symbol_table::gc): New function.
3978         (Symbol_table::gc_mark_undef_symbols): New function.
3979         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3980         (Symbol_table::gc_mark_dyn_syms): New function.
3981         (Symbol_table::gc_): New data member.
3982         * target.h (Sized_target::gc_process_relocs): New pure virtual
3983         function.
3984         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3985         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3986
3987 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3988
3989         * options.h (General_options::gc_sections): Define as a no-op for now.
3990         (General_options::no_keep_memory): Ditto.
3991         (General_options::Bshareable): Define.
3992         * options.cc (General_options::finalize): Honor -Bshareable.
3993
3994 2009-01-20  Andreas Schwab  <schwab@suse.de>
3995
3996         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3997         read the value in the contents, since we don't use it.  Use the
3998         template endianness when writing.
3999         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4000
4001 2009-01-19  Andreas Schwab  <schwab@suse.de>
4002
4003         * configure.tgt (powerpc64-*): Fix targ_obj.
4004
4005 2009-01-15  Ian Lance Taylor  <iant@google.com>
4006
4007         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4008         local symbols when stripping all symbols.
4009
4010 2009-01-14  Cary Coutant  <ccoutant@google.com>
4011
4012         * output.cc (Output_reloc): Add explicit instantiations.
4013
4014 2009-01-14  Cary Coutant  <ccoutant@google.com>
4015
4016         * archive.cc (Archive::get_elf_object_for_member): Remove call
4017         to File_read::claim_for_plugin.
4018         * descriptors.cc (Descriptors::open): Remove reference to
4019         is_claimed.
4020         (Descriptors::claim_for_plugin): Remove.
4021         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4022         (Descriptors::is_claimed): Remove.
4023         (claim_descriptor_for_plugin): Remove.
4024         * fileread.cc (File_read::claim_for_plugin): Remove.
4025         * fileread.h (File_read::claim_for_plugin): Remove.
4026         (File_read::descriptor): Reopen descriptor if necessary.
4027         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4028         (Plugin_manager::all_symbols_read): Add task parameter. Change
4029         all callers.
4030         (Plugin_manager::get_input_file): New function.
4031         (Plugin_manager::release_input_file): New function.
4032         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4033         corresponding data member.
4034         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4035         and pass to base constructor. Change all callers.
4036         (get_input_file, release_input_file): New functions.
4037         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4038         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4039         (Plugin_manager::all_symbols_read): Add task parameter.
4040         (Plugin_manager::get_input_file): New function.
4041         (Plugin_manager::release_input_file): New function.
4042         (Plugin_manager::task_): New data member.
4043         (Pluginobj::Pluginobj): Add filesize parameter.
4044         (Pluginobj::filename): New function.
4045         (Pluginobj::descriptor): New function.
4046         (Pluginobj::filesize): New function.
4047         (Pluginobj::filesize_): New data member.
4048         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4049         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4050         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4051
4052         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4053         with archive libraries.
4054         * testsuite/Makefile.in: Regenerate.
4055         * testsuite/plugin_test.c (struct sym_info): New type.
4056         (get_input_file, release_input_file): New static variables.
4057         (onload): Capture new transfer vector entries.
4058         (claim_file_hook): Stop reading at end of file according to filesize.
4059         Factor out parsing of readelf output into separate function.
4060         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4061         APIs and get the source file name from the symbol table.  Convert
4062         source file name to corresponding object file name.  Print info
4063         message when adding new input files.
4064         (parse_readelf_line): New function.
4065         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4066         * testsuite/plugin_test_2.sh: Likewise.
4067         * testsuite/plugin_test_3.sh: Likewise.
4068         * testsuite/plugin_test_4.sh: New test case.
4069
4070 2009-01-07  Ian Lance Taylor  <iant@google.com>
4071
4072         * version.cc (version_string): Bump to 1.8.
4073
4074 2008-12-23  Cary Coutant  <ccoutant@google.com>
4075
4076         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4077         * plugin.cc (Plugin_manager::finish): Rename as
4078         layout_deferred_objects.  Move cleanup to separate function.
4079         (Plugin_manager::cleanup): New function.
4080         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4081         separately.
4082         * plugin.h (Plugin_manager::finish): Rename as
4083         layout_deferred_objects.
4084         (Plugin_manager::cleanup): New function.
4085         (Plugin_manager::cleanup_done): New field.
4086
4087 2008-12-23  Cary Coutant  <ccoutant@google.com>
4088
4089         * plugin.cc (is_visible_from_outside): New function.
4090         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4091         so we don't return "IR only" status for exported symbols or -r links.
4092
4093         * testsuite/Makefile.am (plugin_test_3): New test case.
4094         * testsuite/Makefile.in: Regenerate.
4095         * testsuite/plugin_test_3.sh: New file.
4096
4097 2008-12-22  Cary Coutant  <ccoutant@google.com>
4098
4099         * object.cc (Sized_relobj::layout_section): New function.
4100         (Sized_relobj::do_layout): Defer layout of input sections until after
4101         plugin has provided replacement files.
4102         (Sized_relobj::do_layout_deferred_sections): New function.
4103         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4104         (Relobj::layout_deferred_sections): New function.
4105         (Relobj::do_layout_deferred_sections): New function.
4106         (Sized_relobj::do_layout_deferred_sections): New function.
4107         (Sized_relobj::layout_section): New function.
4108         (Sized_relobj::Deferred_layout): New structure.
4109         (Sized_relobj::deferred_layout_): New field.
4110         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4111         Change all callers.  Layout deferred sections.
4112         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4113         references.
4114         (Plugin_hook::run): Move code from do_plugin_hook inline.
4115         (Plugin_hook::do_plugin_hook): Remove.
4116         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4117         (Plugin_manager::finish): Renamed, was cleanup.
4118         (Plugin_manager::should_defer_layout): New function.
4119         (Plugin_manager::add_deferred_layout_object): New function.
4120         (Plugin_manager::Deferred_layout_list): New type.
4121         (Plugin_manager::deferred_layout_objects_): New field.
4122         (Plugin_hook::do_plugin_hook): Remove.
4123
4124 2008-12-17  Ian Lance Taylor  <iant@google.com>
4125
4126         * options.h (class General_options): Add --no case for
4127         --export-dynamic.
4128
4129 2008-12-16  Cary Coutant  <ccoutant@google.com>
4130
4131         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4132         vector.
4133         (Plugin_manager::claim_file): Create plugin object even if
4134         plugin did not call the add_symbols callback.
4135         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4136         asking for more symbols than were added.
4137         * testsuite/Makefile.am (plugin_test_1): Add test case with
4138         no global symbols.
4139         (empty.syms): New target.
4140         * testsuite/Makefile.in: Regenerate.
4141         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4142         message. Don't call add_symbols if no globals.
4143         (all_symbols_read_hook): Don't provide replacement for empty
4144         claimed file.
4145
4146 2008-12-12  Ian Lance Taylor  <iant@google.com>
4147
4148         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4149         r_type == 0 for a local symbol with r_sym == 0.
4150         (scan_relocatable_relocs): Pass r_sym to
4151         local_non_section_strategy.
4152         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4153         r_sym parameter.
4154
4155         * configure.ac: Update test for TLS descriptors: they are
4156         supported as of glibc 2.9.
4157         * configure: Rebuild.
4158
4159 2008-12-11  Ian Lance Taylor  <iant@google.com>
4160
4161         PR 7091
4162         * target-reloc.h (Default_scan_relocatable_relocs): For each
4163         function, map r_type == 0 to RELOC_DISCARD.
4164
4165 2008-12-10  Cary Coutant  <ccoutant@google.com>
4166
4167         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4168         object to override a kept COMDAT group from a plugin object.
4169
4170 2008-12-09  Ian Lance Taylor  <iant@google.com>
4171
4172         PR 7088
4173         * yyscript.y (file_cmd): Handle INPUT.
4174
4175         * testsuite/initpri1.c: Change all declarations to be full
4176         prototypes by adding void, to avoid compiler warnings.
4177
4178 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4179
4180         * options.cc (General_options::parse_plugin_opt): New.
4181         (General_options::add_plugin): The argument now is just the filename.
4182         (General_options::add_plugin_option): New.
4183         * options.h (plugin_opt): New.
4184         (add_plugin): Change argument name.
4185         (add_plugin_option): New.
4186         * plugin.cc (Plugin::load): Don't parse the plugin option.
4187         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4188         (Plugin::add_option): New.
4189         (Plugin::args_): Change type.
4190         (Plugin::filename_): New.
4191         (Plugin_manager::add_plugin_option): New.
4192         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4193         * testsuite/Makefile.in: Regenerate.
4194
4195 2008-12-05  Cary Coutant  <ccoutant@google.com>
4196
4197         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4198         Handle --strip-lto-sections option.
4199         * options.h (strip_lto_sections): New option.
4200
4201 2008-12-01  Cary Coutant  <ccoutant@google.com>
4202
4203         * plugin.cc (ld_plugin_message): Change format parameter to const.
4204         Fix mismatch between new[] and delete.
4205
4206 2008-11-14  Cary Coutant  <ccoutant@google.com>
4207
4208         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4209         instead of -1U.
4210
4211 2008-11-05  Craig Silverstein  <csilvers@google.com>
4212
4213         * options.cc (General_options::parse_dynamic_list): New function.
4214         * options.h (General_options): New flags dynamic_list,
4215         dynamic_list_data, dynamic_list_cpp_new, and
4216         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4217         (General_options::in_dynamic_list): New function.
4218         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4219         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4220         (Lex::can_continue_name): Likewise.
4221         (yylex): Likewise.
4222         (read_script_file): New parameter script_options.
4223         (read_dynamic_list): New function.
4224         (Script_options::define_dynamic_list): New function.
4225         (dynamic_list_keyword_parsecodes): New variable.
4226         (dynamic_list_keywords): New variable.
4227         * script.h (Script_options::define_dynamic_list): New function
4228         prototype.
4229         (read_dynamic_list): New function prototype.
4230         * symtab.cc (strprefix): New macro.
4231         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4232         dynamic_list_data, dynamic_list_cpp_new, and
4233         dynamic_list_cpp_typeinfo.
4234         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4235         (dynamic_list_expr): New rule.
4236         (dynamic_list_nodes): Likewise.
4237         (dynamic_list_node): Likewise.
4238         * testsuite/Makefile.am (dynamic_list): New test.
4239         * testsuite/Makefile.in: Regenerated.
4240         * testsuite/dynamic_list.t: New file.
4241         * testsuite/dynamic_list.sh: New file.
4242
4243 2008-11-05  Craig Silverstein  <csilvers@google.com>
4244
4245         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4246         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4247         (t11_last): Likewise.
4248         * testsuite/ver_test_6.c (main): Likewise.
4249
4250 2008-10-07  Cary Coutant  <ccoutant@google.com>
4251
4252         * options.c (General_options::finalize): Add check for -static and
4253         -shared.
4254         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4255         is not empty.
4256
4257 2008-10-02  Cary Coutant  <ccoutant@google.com>
4258
4259         * plugin.cc (make_sized_plugin_object): Fix conditional
4260         compilation to work when not all targets are enabled.
4261
4262 2008-09-29  Cary Coutant  <ccoutant@google.com>
4263
4264         * archive.cc (Archive::get_file_and_offset): Use filename instead
4265         of name to get library path.
4266         (Archive::include_member): Unlock external member of a thin archive.
4267
4268         * testsuite/Makefile.am (TEST_AR): New variable.
4269         (thin_archive_test_1): New test.
4270         (thin_archive_test_2): New test.
4271         * testsuite/Makefile.in: Regenerate.
4272         * testsuite/thin_archive_main.cc: New file.
4273         * testsuite/thin_archive_test_1.cc: New file.
4274         * testsuite/thin_archive_test_2.cc: New file.
4275         * testsuite/thin_archive_test_3.cc: New file.
4276         * testsuite/thin_archive_test_4.cc: New file.
4277
4278 2008-09-29  Cary Coutant  <ccoutant@google.com>
4279
4280         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4281         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4282         instead of -1U.
4283         (Sized_relobj::do_finalize_local_symbols): Likewise.
4284         (Sized_relobj::map_to_kept_section): Likewise.
4285         * object.h (Sized_relobj::invalid_address): New constant.
4286         (Sized_relobj::do_output_section_offset): Check for invalid_address
4287         and return -1ULL.
4288         * output.cc (Output_reloc::local_section_offset): Use constant
4289         invalid_address instead of -1U.
4290         (Output_reloc::get_address): Likewise.
4291         (Output_section::output_address): Change -1U to -1ULL.
4292         * output.h (Output_reloc::invalid_address): New constant.
4293         * reloc.cc (Sized_relobj::write_sections): Use constant
4294         invalid_address instead of -1U.
4295         (Sized_relobj::relocate_sections): Likewise.
4296         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4297         values for merge sections.
4298         * target-reloc.h (relocate_for_relocatable): Use constant
4299         invalid_address instead of -1U.
4300
4301 2008-09-19  Cary Coutant  <ccoutant@google.com>
4302
4303         Add plugin functionality for link-time optimization (LTO).
4304         * configure.ac (plugins): Add --enable-plugins option.
4305         * configure: Regenerate.
4306         * config.in: Regenerate.
4307         * Makefile.am (LIBDL): New variable.
4308         (CCFILES): Add plugin.cc.
4309         (HFILES): Add plugin.h.
4310         (ldadd_var): Add LIBDL.
4311         * Makefile.in: Regenerate.
4312
4313         * archive.cc: Include "plugin.h".
4314         (Archive::setup): Don't preread archive symbols when using a plugin.
4315         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4316         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4317         files.
4318         (Archive::include_member): Add symbols from plugin objects.
4319         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4320         * descriptors.cc (Descriptors::open): Check for file descriptors
4321         abandoned by plugins.
4322         (Descriptors::claim_for_plugin): New function.
4323         * descriptors.h (Descriptors::claim_for_plugin): New function.
4324         (Open_descriptor::is_claimed): New field.
4325         (claim_descriptor_for_plugin): New function.
4326         * fileread.cc (File_read::claim_for_plugin): New function.
4327         * fileread.h (File_read::claim_for_plugin): New function.
4328         (File_read::descriptor): New function.
4329         * gold.cc: Include "plugin.h".
4330         (queue_initial_tasks): Add task to call plugin hooks for generating
4331         new object files.
4332         * main.cc: Include "plugin.h".
4333         (main): Load plugin libraries.
4334         * object.h (Pluginobj): Declare.
4335         (Object::pluginobj): New function.
4336         (Object::do_pluginobj): New function.
4337         (Object::set_target): New function.
4338         * options.cc: Include "plugin.h".
4339         (General_options::parse_plugin): New function.
4340         (General_options::General_options): Initialize plugins_ field.
4341         (General_options::add_plugin): New function.
4342         * options.h (Plugin_manager): Declare.
4343         (General_options): Add --plugin option.
4344         (General_options::has_plugins): New function.
4345         (General_options::plugins): New function.
4346         (General_options::add_plugin): New function.
4347         (General_options::plugins_): New field.
4348         * plugin.cc: New file.
4349         * plugin.h: New file.
4350         * readsyms.cc: Include "plugin.h".
4351         (Read_symbols::do_read_symbols): Check for archive before checking
4352         for ELF file.  Call plugin hooks to claim files.
4353         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4354         from a real object file; force override when processing replacement
4355         files.
4356         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4357         (Symbol::init_base_object): Likewise.
4358         (Symbol::init_base_output_data): Likewise.
4359         (Symbol::init_base_output_segment): Likewise.
4360         (Symbol::init_base_constant): Likewise.
4361         (Symbol::init_base_undefined): Likewise.
4362         (Symbol::output_section): Assert that object is not a plugin.
4363         (Symbol_table::add_from_pluginobj): New function.
4364         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4365         undefined.
4366         (Symbol_table::sized_write_globals): Likewise.
4367         (Symbol_table::add_from_pluginobj): Instantiate template.
4368         * symtab.h (Sized_pluginobj): Declare.
4369         (Symbol::in_real_elf): New function.
4370         (Symbol::set_in_real_elf): New function.
4371         (Symbol::in_real_elf_): New field.
4372         (Symbol_table::add_from_pluginobj): New function.
4373
4374         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4375         (LIBDL): New variable.
4376         (LDADD): Add LIBDL.
4377         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4378         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4379         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4380         (MOSTLYCLEANFILES): Likewise.
4381         * testsuite/Makefile.in: Regenerate.
4382         * testsuite/plugin_test.c: New file.
4383         * testsuite/plugin_test_1.sh: New file.
4384         * testsuite/plugin_test_2.sh: New file.
4385
4386 2008-09-16  Ian Lance Taylor  <iant@google.com>
4387
4388         * target-reloc.h (relocate_section): Check whether a symbol is
4389         defined by the ABI before reporting an undefined symbol error.
4390         * target.h (Target::is_defined_by_abi): Make parameter const.
4391         (Target::do_is_defined_by_abi): Likewise.
4392         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4393         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4394         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4395         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4396         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4397         * testsuite/Makefile.in: Rebuild.
4398
4399         * fileread.cc (make_view): Add casts to avoid warning.
4400
4401 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4402
4403         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4404         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4405
4406 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4407
4408         * options.h (General_options::output_is_executable): New.
4409         (General_options::output_is_pie): New.
4410         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4411         for shared libraries.
4412         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4413
4414 2008-09-11  Chris Demetriou  <cgd@google.com>
4415
4416         * options.h (origin): New -z option.
4417         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4418         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4419         in DT_FLAGS_1.
4420
4421 2008-09-05  Cary Coutant  <ccoutant@google.com>
4422
4423         * fileread.cc (File_read::make_view): Add check for attempt to map
4424         beyond end of file.
4425
4426 2008-09-05  Cary Coutant  <ccoutant@google.com>
4427
4428         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4429         explicit instantiations.
4430
4431 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4432
4433         PR gold/6858
4434         * options.cc (General_options::finalize): Allow undefined symbols
4435         in shlibs if linking -shared.
4436
4437         PR gold/6859
4438         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4439         symbols as not needing a dynsym entry.
4440
4441 2008-08-20  Craig Silverstein  <csilvers@google.com>
4442
4443         * fileread.cc (File_read::open): Do not lock the file unless it
4444         was successfully opened.
4445
4446 2008-08-14  Cary Coutant  <ccoutant@google.com>
4447
4448         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4449         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4450         * testsuite/tls_test.cc (struct int128): 128-bit struct
4451         for testing TLS relocs with non-zero addend.
4452         (v12): New TLS variable.
4453         (t12): New test.
4454         (t_last): Add check for v12.
4455         * testsuite/tls_test.h (t12): New function.
4456         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4457
4458 2008-08-13  Ian Lance Taylor  <iant@google.com>
4459
4460         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4461         set tls_segment_ or relro_segment_.
4462         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4463         when appropriate.
4464         * output.h (Output_section::clear_is_relro): New function.
4465         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4466         sections specially even when output_data_ is empty.
4467         (Output_segment::maximum_alignment): When first section is relro,
4468         only force alignment for PT_LOAD segments.
4469         * script.cc (script_data_segment_align): New function.
4470         (script_data_segment_relro_end): New function.
4471         * script-c.h (script_data_segment_align): Declare.
4472         (script_data_segment_relro_end): Declare.
4473         * script-sections.h (class Script_sections): Declare
4474         data_segment_align and data_segment_relro_end.  Add fields
4475         segment_align_index_ and saw_relro_end_.
4476         * script-sections.cc (class Sections_element): Add set_is_relro
4477         virtual function.  Add new bool* parameter to place_orphan_here.
4478         Add get_output_section virtual function.
4479         (class Output_section_definition): Add set_is_relro.  Add new
4480         bool* parameter to place_orphan_here.  Add get_output_section.
4481         Add is_relro_ field.
4482         (Output_section_definition::Output_section_definition): Initialize
4483         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4484         and is_relro_ fields.
4485         (Output_section_definition::place_orphan_here): Add is_relro
4486         parameter.
4487         (Output_section_definition::set_section_addresses): Set relro for
4488         output section.
4489         (Output_section_definition::alternate_constraint): Likewise.
4490         (class Orphan_output_section): Add new bool* parameter to
4491         place_orphan_here.  Add get_output_section.
4492         (Orphan_output_section::place_orphan_here): Add is_relro
4493         parameter.
4494         (Script_sections::Script_sections): Initialize
4495         data_segment_align_index_ and saw_relro_end_.
4496         (Script_sections::data_segment_align): New function.
4497         (Script_sections::data_segment_relro_end): New function.
4498         (Script_sections::place_orphan): Set or clear is_relro.
4499         (Script_sections::set_section_addresses): Force alignment of first
4500         TLS section.
4501         * yyscript.y (exp): Call script_data_segment_align and
4502         script_data_segment_relro_end.
4503         * testsuite/relro_script_test.t: New file.
4504         * testsuite/relro_test.cc (using_script): Declare.
4505         (t1, t2): Test using_script.
4506         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4507         (relro_script_test_SOURCES): Define.
4508         (relro_script_test_DEPENDENCIES): Define.
4509         (relro_script_test_LDFLAGS): Define.
4510         (relro_script_test_LDADD): Define.
4511         (relro_script_test.so): New target.
4512         * testsuite/Makefile.in: Rebuild.
4513
4514 2008-08-06  Cary Coutant <ccoutant@google.com>
4515
4516         * archive.cc (Archive::total_archives, Archive::total_members)
4517         (Archive::total_members_loaded): New variables.
4518         (Archive::setup): Add parameter.  Add option to preread
4519         archive symbols.
4520         (Archive::read_armap): Add counter.
4521         (Archive::get_file_and_offset): New function.
4522         (Archive::get_elf_object_for_member): New function.
4523         (Archive::read_all_symbols): New function.
4524         (Archive::read_symbols): New function.
4525         (Archive::add_symbols): Add counters.
4526         (Archive::include_all_members): Use armap to find members if it's
4527         already built.
4528         (Archive::include_member): Skip reading symbols if already read.
4529         Factored code into Archive::get_file_and_offset and
4530         Archive::get_elf_object_for_member.  Changed call to
4531         Mapfile::report_include_archive_member.
4532         (Archive::print_stats): New function.
4533         * archive.h: Declare Object and Read_symbols_data classes.
4534         (Archive::Archive): Add initializers for new members.
4535         (Archive::setup): Add parameter.
4536         (Archive::print_stats): New function.
4537         (Archive::total_archives, Archive::total_members)
4538         (Archive::total_members_loaded): New variables.
4539         (Archive::get_file_and_offset): New function.
4540         (Archive::get_elf_object_for_member): New function.
4541         (Archive::read_all_symbols): New function.
4542         (Archive::read_symbols): New function.
4543         (Archive::Archive_member): New class.
4544         (Archive::members_): New member.
4545         (Archive::num_members_): New member.
4546         * main.cc: Include archive.h.
4547         (main): Call Archive::print_stats.
4548         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4549         archive parameter; member_name is now the fully-decorated name.
4550         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4551         * options.h: (General_options): Add --preread-archive-symbols option.
4552         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4553         Archive::setup.
4554
4555 2008-08-04  Ian Lance Taylor  <iant@google.com>
4556
4557         * symtab.h (Symbol::use_plt_offset): New function.
4558         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4559         * powerpc.cc (Relocate::relocate): Likewise.
4560         * sparc.cc (Relocate::relocate): Likewise.
4561         * x86_64.cc (Relocate::relocate): Likewise.
4562         * testsuite/weak_plt.sh: New test.
4563         * testsuite/weak_plt_main.cc: New test.
4564         * testsuite/weak_plt_shared.cc: New test.
4565         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4566         (check_PROGRAMS): Add weak_plt.
4567         (check_DATA): Add weak_plt_shared.so.
4568         (weak_plt_main_pic.o, weak_plt): New targets.
4569         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4570         * testsuite/Makefile.in: Rebuild.
4571
4572         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4573         gcctestdir/ld.
4574         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4575         * testsuite/Makefile.in: Rebuild.
4576
4577 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4578
4579         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4580         * Makefile.in: Regenerate.
4581         * po/POTFILES.in: Regenerate.
4582
4583 2008-07-29  Ian Lance Taylor  <iant@google.com>
4584
4585         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4586         symbols before other symbols.
4587         * testsuite/script_test_2.cc (test_addr): Declare.
4588         (test_addr_alias): Declare.
4589         (main): Check that test_addr and test_addr_alias have the right
4590         values.
4591         * testsuite/script_test_2.t: Define test_addr_alias and
4592         test_addr.
4593
4594 2008-07-24  Ian Lance Taylor  <iant@google.com>
4595
4596         PR 5990
4597         * descriptors.cc: New file.
4598         * descriptors.h: New file.
4599         * gold-threads.h (class Hold_optional_lock): New class.
4600         * fileread.cc: Include "descriptors.h".
4601         (File_read::~File_read): Release descriptor rather than closing
4602         it.
4603         (File_read::open) [file]: Call open_descriptor rather than open.
4604         Set is_descriptor_opened_.
4605         (File_read::open) [memory]: Assert that descriptor is not open.
4606         (File_read::reopen_descriptor): New function.
4607         (File_read::release): Release descriptor.
4608         (File_read::do_read): Make non-const.  Reopen descriptor.
4609         (File_read::read): Make non-const.
4610         (File_read::make_view): Reopen descriptor.
4611         (File_read::do_readv): Likewise.
4612         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4613         Update declarations.
4614         * layout.cc: Include "descriptors.h".
4615         (Layout::create_build_id): Use open_descriptor rather than open.
4616         * output.cc: Include "descriptors.h".
4617         (Output_file::open): Use open_descriptor rather than open.
4618         * archive.cc (Archive::const_iterator): Change Archive to be
4619         non-const.
4620         (Archive::begin, Archive::end): Make non-const.
4621         (Archive::count_members): Likewise.
4622         * archive.h (class Archive): Update declarations.
4623         * object.h (Object::read): Make non-const.
4624         * Makefile.am (CCFILES): Add descriptors.cc.
4625         (HFILES): Add descriptors.h.
4626         * Makefile.in: Rebuild.
4627
4628         PR 6716
4629         * gold.h: Always include <clocale>.  Add Solaris workarounds
4630         following code in binutils/sysdep.h.
4631
4632         PR 6048
4633         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4634         this->eh_frame_hdr_ is NULL before using it.
4635
4636         * dynobj.cc (Versions::Versions): Update comment.
4637
4638         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4639         the base version name.
4640
4641         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4642         array size plus one.
4643         (Stringpool_template::set_string_offsets): Subtract one from key
4644         before using it as an array index.
4645         (Stringpool_template::get_offset_with_length): Likewise.
4646         (Stringpool_template::write_to_buffer): Likewise.
4647         * stringpool.h (Stringpool_template::get_offset_from_key):
4648         Likewise.
4649
4650 2008-07-23  Ian Lance Taylor  <iant@google.com>
4651
4652         PR 6658
4653         * object.h (Merged_symbol_value::value): Do our best to handle a
4654         negative addend.
4655
4656         PR 6647
4657         * script.cc (Version_script_info::get_versions): Don't add empty
4658         version tag to return value.
4659         (Version_script_info::get_symbol_version_helper): Change return
4660         type to bool.  Add pversion parameter.  Change all callers.
4661         (script_register_vers_node): Don't require a non-NULL tag.
4662         * script.h (class Version_script_info): Update declarations.
4663         (Version_script_info::get_symbol_version): Change return type to
4664         bool.  Add version parameter.  Change all callers.
4665         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4666         handling.  Handle an empty version from a version script.
4667         (Symbol_table::define_special_symbol): Likewise.
4668         * testsuite/ver_test_10.script: New file.
4669         * testsuite/ver_test_10.sh: New file.
4670         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4671         (check_DATA): Add ver_test_10.syms.
4672         (ver_test_10.syms, ver_test_10.so): New target.
4673         * testsuite/Makefile.in: Rebuild.
4674
4675 2008-07-23  Simon Baldwin  <simonb@google.com>
4676
4677         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4678         to zero for undefined symbols from dynamic libraries.
4679
4680 2008-07-23  Ian Lance Taylor  <iant@google.com>
4681
4682         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4683         Change all callers.
4684         * symtab.h (class Symbol_table): Update declaration.
4685         * testsuite/ver_test_9.cc: New file.
4686         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4687         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4688         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4689         (ver_test_9.so, ver_test_9.o): New targets.
4690         * testsuite/Makefile.in: Rebuild.
4691
4692 2008-07-22  Ian Lance Taylor  <iant@google.com>
4693
4694         * options.h (class General_options): Define --check-sections.
4695         * layout.cc (Layout::set_segment_offsets): Handle
4696         --check-sections.
4697
4698         * options.h (class General_options): Define -n/--nmagic and
4699         -N/--omagic.
4700         * options.cc (General_options::finalize): For -n/--nmagic or
4701         -N/--omagic, set -static.
4702         * layout.cc (Layout::attach_allocated_section_to_segment): If
4703         -N/--omagic, don't put read-only and read-write sections in
4704         different segments.
4705         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4706         finding a read-only segment.
4707         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4708         don't set the minimum segment alignment to the common page size,
4709         and don't set the file offset to the address modulo the page size.
4710         * script-sections.cc (Script_sections::create_segments): If
4711         -n/--omagic, don't put read-only and read-write sections in
4712         different segments.
4713
4714         * cref.cc: New file.
4715         * cref.h: New file.
4716         * options.h (class General_options): Add --print-symbol-counts.
4717         * main.cc (main): Issue defined symbol report if requested.
4718         * archive.cc (Archive::interpret_header): Make into a const member
4719         function.
4720         (Archive::add_symbols): Call Input_objects::archive_start and
4721         archive_stop.
4722         (Archive::const_iterator): Define new class.
4723         (Archive::begin, Archive::end): New functions.
4724         (Archive::include_all_members): Rewrite to use iterator.
4725         (Archive::count_members): New function.
4726         * archive.h (class Archive): Update declarations.
4727         (Archive::filename): New function.
4728         * object.cc: Include "cref.h".
4729         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4730         (Sized_relobj::do_get_global_symbol_counts): New function.
4731         (Input_objects::add_object): Add object to cross-referencer.
4732         (Input_objects::archive_start): New function.
4733         (Input_objects::archive_stop): New function.
4734         (Input_objects::print_symbol_counts): New function.
4735         * object.h: Declare Cref and Archive.
4736         (Object::get_global_symbol_counts): New function.
4737         (Object::do_get_global_symbol_counts): New pure virtual function.
4738         (class Sized_relobj): Add defined_count_ field.  Update
4739         declarations.
4740         (class Input_objects): Add cref_ field.  Update constructor.
4741         Update declarations.
4742         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4743         defined_count_.
4744         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4745         symbol counts.
4746         (Sized_dynobj::do_get_global_symbol_counts): New function.
4747         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4748         defined_count_.  Update declarations.  Define Symbols typedef.
4749         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4750         parameter.  Change all callers.
4751         (Symbol_table::add_from_dynobj): Add sympointers and defined
4752         parameters.  Change all callers.
4753         * symtab.h (class Symbol_table): Update declarations.
4754         * Makefile.am (CCFILES): Add cref.cc.
4755         (HFILES): Add cref.h.
4756         * Makefile.in: Rebuild.
4757
4758 2008-07-22  Simon Baldwin  <simonb@google.com>
4759
4760         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4761         to zero when writing undefined symbols.
4762
4763 2008-07-22  Ian Lance Taylor  <iant@google.com>
4764
4765         * output.cc (Output_section::add_input_section): Don't try to
4766         merge empty merge sections.
4767
4768 2008-07-21  Craig Silverstein  <csilvers@google.com>
4769
4770         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4771         Include symbol version in error message.
4772
4773 2008-07-20  Chris Demetriou  <cgd@google.com>
4774
4775         * configure.ac (gold_cv_c_random_seed): New configured variable.
4776         (RANDOM_SEED_CFLAGS): New substituted variable.
4777         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4778         * configure: Rebuild.
4779         * Makefile.in: Likewise.
4780         * testsuite/Makefile.in: Likewise.
4781
4782 2008-07-18  Ian Lance Taylor  <iant@google.com>
4783
4784         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4785         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4786         * testsuite/ver_test_main.cc (main): Call t4.
4787         (t4, t4_2a): Define.
4788         * testsuite/ver_test_2.cc (t4_2): Define.
4789         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4790         * testsuite/ver_test_4.cc (t4_2a): Define.
4791         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4792         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4793
4794 2008-07-17  Ian Lance Taylor  <iant@google.com>
4795
4796         * dynobj.cc (Versions::add_def): If we give an error about a
4797         missing version, go ahead and create the version anyhow.
4798
4799 2008-07-10  Ian Lance Taylor  <iant@google.com>
4800
4801         Handle output sections with more than 0x7fffffff bytes.
4802         * object.h (class Relobj): Change map_to_output_ to
4803         output_sections_, and just keep a section pointer.  Change all
4804         uses.  Move comdat group support to Sized_relobj.
4805         (Relobj::is_section_specially_mapped): Remove.
4806         (Relobj::output_section): Remove poff parameter.  Change all
4807         callers.
4808         (Relobj::output_section_offset): New function.
4809         (Relobj::set_section_offset): Rewrite.
4810         (Relobj::map_to_output): Remove.
4811         (Relobj::output_sections): New function.
4812         (Relobj::do_output_section_offset): New pure virtual function.
4813         (Relobj::do_set_section_offset): Likewise.
4814         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4815         group support from Relobj.  Update declarations.
4816         (Sized_relobj::get_output_section_offset): New function.
4817         (Sized_relobj::do_output_section_offset): New function.
4818         (Sized_relobj::do_set_section_offset): New function.
4819         * object.cc (Relobj::output_section_address): Remove.
4820         (Sized_relobj::Sized_relobj): Initialize new fields.
4821         (Sized_relobj::include_section_group): Cast find_kept_object to
4822         Sized_relobj.
4823         (Sized_relobj::include_linkonce_section): Likewise.
4824         (Sized_relobj::do_layout): Use separate arrays for output section
4825         and output offset.
4826         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4827         output_sections.
4828         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4829         output_sections and section_offsets.
4830         (Sized_relobj::write_local_symbols): Likewise.
4831         (map_to_kept_section): Compute output address directly.
4832         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4833         output_sections and section_offsets.
4834         (Sized_relobj::write_sections): Likewise.
4835         (Sized_relobj::relocate_sections): Likewise.
4836         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4837         * output.h (class Output_reloc): Update declarations.  Change
4838         u2_.relobj to Sized_relobj*.
4839         (class Output_data_reloc): Change add functions to use
4840         Sized_relobj*.
4841         * output.cc (Output_reloc::Output_reloc): Change relobj to
4842         Sized_relobj*.
4843         (Output_reloc::local_section_offset): Change return type to
4844         Elf_Addr.  Use get_output_section_offset.
4845         (Output_reloc::get_address): Likewise.
4846         (Output_section::is_input_address_mapped): Don't call
4847         is_section_specially_mapped.
4848         (Output_section::output_offset): Likewise.
4849         (Output_section::output_address): Likewise.
4850         (Output_section::starting_output_address): Likewise.
4851         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4852         parameter to Sized_relobj*.
4853         (Copy_relocs::need_copy_reloc): Likewise.
4854         (Copy_relocs::save): Likewise.
4855         * copy-relocs.h (class Copy_relocs): Update declarations.
4856         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4857         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4858         * target-reloc.h (relocate_for_relocatable): Change
4859         offset_in_output_section type to Elf_Addr.  Change code that uses
4860         it as well.
4861         * layout.cc (Layout::layout): Always set *off.
4862         * mapfile.cc (Mapfile::print_input_section): Use
4863         output_section_offset.
4864         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4865         Sized_relobj*.
4866         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4867         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4868         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4869
4870 2008-07-03  Ian Lance Taylor  <iant@google.com>
4871
4872         * layout.cc (Layout::include_section): Do not discard unrecognized
4873         SHT_STRTAB sections.
4874
4875 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4876
4877         * script.cc (Lex::can_continue_name): Make '?' allowable in
4878         version-script names.
4879         * testsuite/version_script.map: Change glob pattern to use '?'
4880
4881 2008-06-30  Manish Singh  <yosh@gimp.org>
4882
4883         PR 6585
4884         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4885         Correct typo.
4886
4887 2008-06-30  Ian Lance Taylor  <iant@google.com>
4888
4889         PR 6660
4890         PR 6682
4891         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4892         versions]: Don't try to read the value in the contents, since we
4893         don't use it.  Use the template endianness when writing.
4894
4895 2008-06-25  Cary Coutant  <ccoutant@google.com>
4896
4897         * fileread.cc (File_read::make_view): Assert on zero-length view.
4898         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4899         symbol table when there are no symbols to read.
4900
4901 2008-06-23  Craig Silverstein  <csilvers@google.com>
4902
4903         * version.cc (version_string): Bump to 1.7
4904
4905 2008-06-18  Craig Silverstein  <csilvers@google.com>
4906
4907         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4908         constant 0xFFFF to type Valtype.
4909         (Powerpc_relocate_functions::rel16_ha): Likewise.
4910
4911 2008-06-17  Ian Lance Taylor  <iant@google.com>
4912
4913         * output.h (Output_section::Input_section): Initialize p2align_ to
4914         zero for Output_section_data constructors.
4915         (Output_section::Input_section::addralign): If not an input
4916         section, return the alignment of the Output_section_data.
4917         * testsuite/copy_test.cc: New file.
4918         * testsuite/copy_test_1.cc: New file.
4919         * testsuite/copy_test_2.cc: New file.
4920         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4921         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4922         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4923         (copy_test_1_pic.o, copy_test_1.so): New targets.
4924         (copy_test_2_pic.o, copy_test_2.so): New targets.
4925         * testsuite/Makefile.in: Rebuild.
4926
4927         * script-sections.cc (Script_sections::place_orphan): Initialize
4928         local variable exact.
4929
4930 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4931
4932         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4933
4934 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4935             David S. Miller  <davem@davemloft.net>
4936
4937         * powerpc.cc: New file.
4938         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4939         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4940         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4941         * Makefile.in: Rebuild.
4942
4943 2008-06-09  Ian Lance Taylor  <iant@google.com>
4944
4945         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4946         <exception>.
4947         (throwing, orig_terminate): New static variables.
4948         (terminate_handler): New static function.
4949         (t2): Set terminate handler.
4950
4951 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4952
4953         PR 6584
4954         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4955         alignment.
4956
4957 2008-05-30  Cary Coutant  <ccoutant@google.com>
4958
4959         * archive.cc (Archive::include_all_members) Correct to step
4960         over symbol table and extended name table in thin archives.
4961
4962 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4963
4964         PR 6407
4965         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4966         calculation.
4967
4968 2008-05-28  Caleb Howe  <cshowe@google.com>
4969
4970         * reduced_debug_output.cc: New file.
4971         * reduced_debug_output.h: New file.
4972         * options.h (class General_options): Add --strip-debug-non-line.
4973         * options.cc (General_options::finalize): Add strip_debug_non_line
4974         to the strip heirarchy.
4975         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4976         fields.
4977         * layout.cc: Include "reduced_debug_output.h".
4978         (Layout::Layout): Initialize new fields.
4979         (line_only_debug_sections): New static array.
4980         (is_lines_only_debug_sections): New static inline function.
4981         (Layout::include_section): Handle --strip-debug-non-line.
4982         (Layout::make_output_section): If --strip-debug-non-line, build
4983         new output sections for .debug_abbrev and .debug_info.
4984         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4985         gold.  Warn about possible overflow.
4986         (read_signed_LEB_128): Likewise.
4987         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4988         (read_signed_LEB_128): Declare.
4989         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4990         (HFILES): Add reduced_debug_output.h.
4991         * Makefile.in: Rebuild.
4992
4993 2008-05-21  Ian Lance Taylor  <iant@google.com>
4994
4995         * mapfile.cc: New file.
4996         * mapfile.h: New file.
4997         * options.h (class General_options): Add -M/--print-map and -Map.
4998         * options.cc (General_options::finalize): Make -M equivalent to
4999         -Map -.
5000         * main.cc: Include <cstdio> and "mapfile.h".
5001         (main): Open mapfile if requested.
5002         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5003         constructor.  Change caller.
5004         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5005         (queue_middle_tasks): Likewise.
5006         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5007         declarations.
5008         * archive.cc: Include "mapfile.h".
5009         (Archive::add_symbols): Add mapfile parameter.  Change all
5010         callers.  Pass mapfile, symbol, and reason to include_member.
5011         (Archive::include_all_members): Add mapfile parameter.  Change all
5012         callers.
5013         (Archive::include_member): Add mapfile, sym, and why parameters.
5014         Change all callers.  Report inclusion to map file.
5015         * archive.h: Include "fileread.h".
5016         (class Archive): Update declarations.
5017         (Archive::file): New const method.
5018         (class Add_archive_symbols): Add mapfile_ field.  Update
5019         constructor.  Change all callers.
5020         * readsyms.h (class Read_symbols): Likewise.
5021         (class Finish_group): Likewise.
5022         (class Read_script): Likewise.
5023         * common.cc: Include "mapfile.h".
5024         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5025         all callers.
5026         (Symbol_table::do_allocate_commons): Likewise.
5027         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5028         symbol allocation to mapfile.
5029         * common.h (class Allocate_commons_task): Add mapfile_ field.
5030         Update constructor.  Change all callers.
5031         * symtab.h (class Symbol_table): Update declarations.
5032         * layout.cc: Include "mapfile.h".
5033         (Layout_task_runner::run): Print information to mapfile.
5034         (Layout::create_gold_note): Change Output_data_fixed_space to
5035         Output_data_zero_fill.
5036         (Layout::create_build_id): Likewise.
5037         (Layout::print_to_mapfile): New function.
5038         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5039         constructor.  Change caller.
5040         (class Layout): Declare print_to_mapfile.
5041         * output.cc (Output_section::Input_section::print_to_mapfile): New
5042         function.
5043         (Output_section::add_input_section): If producing a map, always
5044         add to input_sections_ list.
5045         (Output_section::do_print_to_mapfile): New function.
5046         (Output_segment::print_sections_to_mapfile): New function.
5047         (Output_segment::print_section_list_to_mapfile): New function.
5048         * output.h: Include "mapfile.h".
5049         (Output_data::print_to_mapfile): New function.
5050         (Output_data::do_print_to_mapfile): New virtual function.
5051         (Output_segment_headers::do_print_to_mapfile): New function.
5052         (Output_file_header::do_print_to_mapfile): New function.
5053         (Output_data_const::do_print_to_mapfile): New function.
5054         (class Output_data_const_buffer): Add map_name_ field.  Update
5055         constructor.  Change all callers.  Add do_print_to_mapfile
5056         function.
5057         (class Output_data_fixed_space): Likewise.
5058         (class Output_data_space): Likewise.
5059         (class Output_data_zero_fill): New class.
5060         (Output_data_strtab::do_print_to_mapfile): New function.
5061         (Output_data_reloc_base::do_print_to_mapfile): New function.
5062         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5063         (Output_data_group::do_print_to_mapfile): New function.
5064         (Output_data_got::do_print_to_mapfile): New function.
5065         (Output_data_dynamic::do_print_to_mapfile): New function.
5066         (Output_symtab_xindex::do_print_to_mapfile): New function.
5067         (class Output_section): Declare do_print_to_mapflie.  Declare
5068         print_to_mapfile in Input_section.
5069         (class Output_segment): Declare new functions.
5070         * object.h (Sized_relobj::symbol_count): New function.
5071         * script-sections.cc
5072         (Output_section_element_dot_assignment::set_section_addresses):
5073         Change Output_data_fixed_space to Output_data_zero_fill.
5074         (Output_data_expression::do_print_to_mapfile): New function.
5075         * script.cc (read_input_script): Add mapfile parameter.  Change
5076         all callers.
5077         * script.h (read_input_script): Update declaration.
5078         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5079         (Eh_frame::do_print_to_mapfile): New function.
5080         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5081         (Output_merge_string::do_print_to_mapfile): New function.
5082         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5083         function.
5084         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5085         function.
5086         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5087         function.
5088         * Makefile.am (CCFILES): Add mapfile.cc.
5089         (HFILES): Add mapfile.h.
5090         * Makefile.in: Rebuild.
5091
5092 2008-05-19  Ian Lance Taylor  <iant@google.com>
5093
5094         * options.h (class General_options): Add -z relro.
5095         * layout.cc (Layout::Layout): Initialize relro_segment_.
5096         (Layout::add_output_section_data): Return the output section.
5097         (Layout::make_output_section): Rcognize relro sections and mark
5098         them appropriately.
5099         (Layout::attach_allocated_section_to_segment): Put relro sections
5100         in a PT_GNU_RELRO segment.
5101         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5102         section as relro.
5103         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5104         PT_TLS segments.
5105         (Layout::linkonce_mapping): Map d.rel.ro.local to
5106         .data.rel.ro.local.
5107         (Layout::output_section_name): Us .data.rel.ro.local for any
5108         section which begins with that.
5109         * layout.h (class Layout): Update add_output_section_data
5110         declaration.  Add relro_segment_ field.
5111         * output.cc (Output_section::Output_section): Initialize is_relro_
5112         and is_relro_local_ fields.
5113         (Output_segment::add_output_section): Group relro sections.
5114         (Output_segment::is_first_section_relro): New function.
5115         (Output_segment::maximum_alignment): If there is a relro section,
5116         align the segment to the common page size.
5117         (Output_segment::set_section_addresses): Track whether we are
5118         looking at relro sections.  If the last section is a relro
5119         section, align to the common page size.
5120         (Output_segment::set_section_list_addresses): Add in_relro
5121         parameter.  Change all callers.  Align to the page size when
5122         moving from relro to non-relro section.
5123         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5124         segment.
5125         * output.h (class Output_section): Add is_relro_ and
5126         is_relro_local_ fields.
5127         (Output_section::is_relro): New function.
5128         (Output_section::set_is_relro): New function.
5129         (Output_section::is_relro_local): New function.
5130         (Output_section::set_is_relro_local): New function.
5131         (class Output_segment): Update declarations.
5132         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5133         * sparc.cc (Target_sparc::got_section): Likewise.
5134         * x86_64.cc (Target_x86_64::got_section): Likewise.
5135         * testsuite/relro_test_main.cc: New file.
5136         * testsuite/relro_test.cc: New file.
5137         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5138         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5139         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5140         (relro_test.so, relro_test_pic.o): New targets.
5141         * testsuite/Makefile.in: Rebuild.
5142
5143 2008-05-16  Ian Lance Taylor  <iant@google.com>
5144
5145         * output.cc (Output_segment::add_output_section): Remove front
5146         parameter.
5147         * output.h (class Output_segment): Remove
5148         add_initial_output_section and overloaded add_output_section.
5149         Update declaration of remaining add_output_section.
5150         * layout.cc (Layout::create_interp): Call add_output_section
5151         rather than add_initial_output_section.
5152         (Layout::finish_dynamic_section): Likewise.
5153
5154         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5155         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5156         know the dynamic type.
5157         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5158         field.  Initialize it in constructor.
5159         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5160         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5161         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5162         reloc.
5163
5164         * output.cc (Output_reloc::get_address): Change return type to
5165         Elf_Addr.
5166         * output.h (class Output_reloc): Update get_address declaration.
5167         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5168         for section addresses.
5169
5170 2008-05-09  Ian Lance Taylor  <iant@google.com>
5171
5172         PR 6493
5173         * gold.cc (gold_nomem): Use return value of write.
5174
5175 2008-05-08  Ian Lance Taylor  <iant@google.com>
5176
5177         * symtab.c (Symbol::init_base_output_data): Add version
5178         parameter.  Change all callers.
5179         (Symbol::init_base_output_segment): Likewise.
5180         (Symbol::init_base_constant): Likewise.
5181         (Symbol::init_base_undefined): Likewise.
5182         (Sized_symbol::init_output_data): Likewise.
5183         (Sized_symbol::init_output_segment): Likewise.
5184         (Sized_symbol::init_constant): Likewise.
5185         (Sized_symbol::init_undefined): Likewise.
5186         (Symbol_table::do_define_in_output_data): If the new symbol has a
5187         version, mark it as the default.
5188         (Symbol_table::do_define_in_output_segment): Likewise.
5189         (Symbol_table::do_define_as_constant): Likewise.
5190         * symtab.h (class Symbol): Update declarations.
5191         (class Sized_symbol): Likewise.
5192         * resolve.cc (Symbol::override_version): New function.
5193         (Symbol::override_base): Call override_version.
5194         (Symbol::override_base_with_special): Likewise.
5195         * testsuite/ver_script_8.script: New file.
5196         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5197         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5198         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5199         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5200
5201 2008-05-06  Ian Lance Taylor  <iant@google.com>
5202
5203         PR 6049
5204         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5205         functions.
5206         (class General_options): Remove existing --undefined, and add
5207         --no-undefined instead.  Add new --undefined as synonym for -u.
5208         * archive.cc (Archive::add_symbols): Check whether symbol was
5209         named with -u.
5210         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5211         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5212         all uses.  Add IS_UNDEFINED.  Update declarations to split
5213         different versions of init_base.  Declare init_base_undefined.
5214         (Symbol::is_defined): Handle IS_UNDEFINED.
5215         (Symbol::is_undefined): Likewise.
5216         (Symbol::is_weak_undefined): Call is_undefined.
5217         (Symbol::is_absolute): Handle IS_CONSTANT.
5218         (class Sized_symbol): Update declarations to split different
5219         versions of init.  Declare init_undefined.
5220         (class Symbol_table): Declare new functions.
5221         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5222         Change all callers.
5223         (Symbol::init_base_output_data): Likewise.
5224         (Symbol::init_base_output_segment): Likewise.
5225         (Symbol::init_base_constant): Likewise.
5226         (Symbol::init_base_undefined): New function.
5227         (Sized_symbol::init_object): Rename from init.  Change all
5228         callers.
5229         (Sized_symbol::init_output_data): Likewise.
5230         (Sized_symbol::init_output_segment): Likewise.
5231         (Sized_symbol::init_constant): Likewise.
5232         (Sized_symbol::init_undefined): New function.
5233         (Symbol_table::add_undefined_symbols_from_command_line): New
5234         function.
5235         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5236         function.
5237         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5238         (Symbol::output_section): Likewise.
5239         (Symbol::set_output_section): Likewise.
5240         (Symbol_table::sized_finalize_symbol): Likewise.
5241         (Symbol_table::sized_write_globals): Likewise.
5242         * resolve.cc (Symbol_table::should_override): Likewise.
5243         (Symbol::override_base_with_special): Likewise.
5244
5245         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5246         symbol, change it to have default visibility.
5247         * testsuite/protected_1.cc: New file.
5248         * testsuite/protected_2.cc: New file.
5249         * testsuite/protected_3.cc: New file.
5250         * testsuite/protected_main_1.cc: New file.
5251         * testsuite/protected_main_2.cc: New file.
5252         * testsuite/protected_main_3.cc: New file.
5253         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5254         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5255         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5256         (protected_1.so): New target.
5257         (protected_1_pic.o, protected_2_pic.o): New targets.
5258         (protected_3_pic.o): New target.
5259         (check_PROGRAMS): Add protected_2.
5260         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5261         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5262         * testsuite/Makefile.in: Rebuild.
5263
5264         * options.h (DEFINE_var): Add set_user_set_##varname__.
5265         (DEFINE_bool_alias): New macro.
5266         (class General_options): Define -Bstatic using DEFINE_bool_alias
5267         rather than DEFINE_special.  Add --undefined as an alias for -z
5268         defs.
5269         * options.cc (General_options::parse_Bstatic): Remove.
5270
5271         * options.h (class General_options): Add --fatal-warnings.
5272         * main.cc (main): Implement --fatal-warnings.
5273         * errors.h (Errors::warning_count): New function.
5274
5275         * options.h (class General_options): Add -Bsymbolic-functions.
5276         * symtab.h (Symbol::is_preemptible): Check for
5277         -Bsymbolic-functions.
5278
5279 2008-05-05  Ian Lance Taylor  <iant@google.com>
5280
5281         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5282         as noVARNAME rather than no-VARNAME.
5283         (class General_options): Add option -z combreloc.
5284         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5285         get_address.
5286         (Output_reloc::sort_before) [SHT_REL]: New function.
5287         (Output_reloc::sort_before) [SHT_RELA]: New function.
5288         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5289         Sort_relocs_comparison.
5290         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5291         parameter.  Change all callers.
5292         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5293         sort_relocs parameter.  Change all callers.
5294         * output.cc (Output_reloc::get_address): New function, broken out
5295         of write_rel.
5296         (Output_reloc::write_rel): Call it.
5297         (Output_reloc::compare): New function.
5298         (Output_data_reloc_base::do_write): Optionally sort relocs.
5299
5300         * configure.ac: If targ_extra_obj is set, link it in.
5301         * configure.tgt: Initialize all variables.
5302         (x86_64*): Set targ_extra_obj and targ_extra_size.
5303         * configure: Rebuild.
5304
5305         * object.cc (Sized_relobj::include_section_group): Adjust section
5306         indexes read from group data.  Build vector to pass to
5307         layout_group.
5308         * layout.cc (Layout::layout_group): Add flags and shndxes
5309         parameters.  Remove contents parameter.  Change caller.  Update
5310         explicit instantiations.
5311         * layout.h (class Layout): Update layout_group declaration.
5312         * output.cc (Output_data_group::Output_data_group): Add flags and
5313         input_shndxes parameters.  Remove contents parameter.  Change
5314         caller.
5315         (Output_data_group::do_write): Change input_sections_ to
5316         input_shndxes_.
5317         * output.h (class Output_data_group): Update constructor
5318         declaration.  Rename input_sections_ to input_shndxes_.
5319         * testsuite/many_sections_test.cc: Add template.
5320
5321 2008-04-30  Cary Coutant  <ccoutant@google.com>
5322
5323         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5324
5325         * layout.cc (Layout::include_section): Refactored check for debug
5326         info section.
5327         (Layout::add_comdat): Add new parameters.  Change type
5328         of signature parameter.  Add object and shndx to signatures table.
5329         (Layout::find_kept_object): New function.
5330         * layout.h: Include <cstring>.
5331         (Layout::is_debug_info_section): New function.
5332         (Layout::add_comdat): Add new parameters.
5333         (Layout::find_kept_object): New function.
5334         (Layout::Kept_section): New struct.
5335         (Layout::Signatures): Change type of map range.
5336         * object.cc (Relobj::output_section_address): New function.
5337         (Sized_relobj::include_section_group): Add new parameters.  Change
5338         calls to Layout::add_comdat.  Change to build table of kept comdat
5339         groups and table mapping discarded sections to kept sections.
5340         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5341         (Sized_relobj::do_layout): Change calls to include_section_group and
5342         include_linkonce_section.
5343         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5344         value to zero when section is discarded.
5345         (Sized_relobj::map_to_kept_section): New function.
5346         * object.h (Relobj::output_section_address): New function.
5347         (Relobj::Comdat_group): New type.
5348         (Relobj::find_comdat_group): New function.
5349         (Relobj::Comdat_group_table): New type.
5350         (Relobj::Kept_comdat_section): New type.
5351         (Relobj::Kept_comdat_section_table): New type.
5352         (Relobj::add_comdat_group): New function.
5353         (Relobj::set_kept_comdat_section): New function.
5354         (Relobj::get_kept_comdat_section): New function.
5355         (Relobj::comdat_groups_): New field.
5356         (Relobj::kept_comdat_sections_): New field.
5357         (Symbol_value::input_value): Update comment.
5358         (Sized_relobj::map_to_kept_section) New function.
5359         (Sized_relobj::include_linkonce_section): Add new parameter.
5360         * target-reloc.h (Comdat_behavior): New type.
5361         (get_comdat_behavior): New function.
5362         (relocate_section): Add code to map a discarded section to the
5363         corresponding kept section when applying a relocation.
5364
5365 2008-04-30  Craig Silverstein  <csilvers@google.com>
5366
5367         * dwarf_reader.cc (next_generation_count): New static var.
5368         (Addr2line_cache_entry): New struct.
5369         (addr2line_cache): New static var.
5370         (Dwarf_line_info::one_addr2line): Added caching.
5371         (Dwarf_line_info::clear_addr2line_cache): New function.
5372         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5373         cache-size parameter.
5374         (Dwarf_line_info::one_addr2line_cache): New function.
5375         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5376         new cache-size argument to one_addr2line(), and clear cache.
5377
5378 2008-04-28  Cary Coutant  <ccoutant@google.com>
5379
5380         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5381         R_386_PC8 relocations.
5382
5383 2008-04-23  Ian Lance Taylor  <iant@google.com>
5384
5385         * object.cc (Sized_relobj::include_section_group): Check for
5386         invalid section group.
5387
5388         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5389         header size.
5390
5391         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5392         than read for file header.
5393         * archive.cc (Archive::include_member): Likewise.
5394
5395 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5396
5397         * aclocal.m4: Regenerate.
5398         * configure: Regenerate.
5399
5400 2008-04-19  Ian Lance Taylor  <iant@google.com>
5401
5402         * version.cc (version_string): Bump to 1.6.
5403
5404         * testsuite/Makefile.am (many_sections_r_test): New target.
5405         (many_sections_r_test_SOURCES): Remove.
5406         (many_sections_r_test_DEPENDENCIES): Remove.
5407         (many_sections_r_test_LDFLAGS): Remove.
5408         (many_sections_r_test_LDADD): Remove.
5409
5410         * object.cc (Sized_relobj::do_add_symbols): Always pass
5411         local_symbol_count_ to add_from_relobj.
5412
5413         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5414         every thousand variables.
5415         * testsuite/Makefile.in: Rebuild.
5416
5417         * object.cc (Xindex::initialize_symtab_xindex): New function.
5418         (Xindex::read_symtab_xindex): New function.
5419         (Xindex::sym_xindex_to_shndx): New function.
5420         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5421         available.
5422         (Sized_relobj::do_initialize_xindex): New function.
5423         (Sized_relobj::do_read_symbols): Adjust section links.
5424         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5425         parameter.  Change all callers.
5426         (Sized_relobj::include_section_group): Adjust section links and
5427         symbol section indexes.
5428         (Sized_relobj::do_layout): Adjust section links.
5429         (Sized_relobj::do_count_local_symbols): Adjust section links and
5430         symbol section indexes.
5431         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5432         ordinary and special symbols.
5433         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5434         dynsym_xindex parameters.  Change all callers.  Adjust section
5435         links.  Use SHN_XINDEX when needed.
5436         (Sized_relobj::get_symbol_location_info): Adjust section links.
5437         Don't get fooled by special symbols.
5438         * object.h (class Xindex): Define.
5439         (class Object): Add xindex_ parameter.  Declare virtual functoin
5440         do_initialize_xindex.
5441         (Object::adjust_sym_shndx): New function.
5442         (Object::set_xindex): New protected function.
5443         (class Symbol_value): Add is_ordinary_shndx_ field.
5444         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5445         (Symbol_value::value): Assert ordinary section.
5446         (Symbol_value::initialize_input_to_output_map): Likewise.
5447         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5448         Change all callers.
5449         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5450         all callers.
5451         (class Sized_relobj): Update declarations.
5452         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5453         parameter.  Change all callers.
5454         (Sized_relobj::adjust_shndx): New function.
5455         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5456         field.
5457         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5458         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5459         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5460         (Sized_dynobj::read_dynsym_section): Adjust section links.
5461         (Sized_dynobj::read_dynamic): Likewise.
5462         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5463         section links.
5464         (Sized_dynobj::do_initialize_xindex): New function.
5465         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5466         do_initialize_xindex.
5467         (Sized_dynobj::adjust_shndx): New function.
5468         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5469         dynsym_xindex_ fields.
5470         (Layout::finalize): Add a call to set_section_indexes before
5471         creating the symtab sections.
5472         (Layout::set_section_indexes): Don't do anything if the section
5473         already has a section index.
5474         (Layout::create_symtab_sections): Add shnum parameter.  Change
5475         caller.  Create .symtab_shndx section if needed.
5476         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5477         caller.
5478         (Layout::allocated_output_section_count): New function.
5479         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5480         needed.
5481         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5482         fields.  Update declarations.
5483         (Layout::symtab_xindex): New function.
5484         (Layout::dynsym_xindex): New function.
5485         (class Write_symbols_task): Add layout_ field.
5486         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5487         Change caller.
5488         * output.cc (Output_section_headers::Output_section_headers): Add
5489         shstrtab_section parameter.  Change all callers.
5490         (Output_section_headers::do_sized_write): Store overflow values
5491         for section count and section string table section index in
5492         section header zero.
5493         (Output_file_header::do_sized_write): Check for overflow of
5494         section count and section string table section index.
5495         (Output_symtab_xindex::do_write): New function.
5496         (Output_symtab_xindex::endian_do_write): New function.
5497         * output.h (class Output_section_headers): Add shstrtab_section_.
5498         Update declarations.
5499         (class Output_symtab_xindex): Define.
5500         (Output_section::has_out_shndx): New function.
5501         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5502         field.
5503         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5504         Change all callers.
5505         (Sized_symbol::init): Likewise.
5506         (Symbol::output_section): Check for ordinary symbol.
5507         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5508         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5509         callers.
5510         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5511         Change all callers.  Simplify handling of symbols from sections
5512         not included in the link.
5513         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5514         distinction.
5515         (Weak_alias_sorter::operator()): Assert that symbols are
5516         ordinary.
5517         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5518         distinction.
5519         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5520         parameters.  Change all callers.
5521         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5522         symbol distinction.  Use SHN_XINDEX when needed.
5523         (Symbol_table::write_section_symbol): Add symtab_xindex
5524         parameter.  Change all callers.
5525         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5526         SHN_XINDEX when needed.
5527         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5528         declarations.
5529         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5530         (Symbol::is_defined): Check is_ordinary.
5531         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5532         (Symbol::is_absolute, Symbol::is_common): Likewise.
5533         (class Sized_symbol): Update declarations.
5534         (class Symbol_table): Update declarations.
5535         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5536         parameters.  Change all callers.
5537         (Sized_symbol::override): Likewise.
5538         (Symbol_table::override): Likewise.
5539         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5540         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5541         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5542         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5543         to be in an ordinary section.
5544         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5545         object and is_ordinary parameters.  Change all callers.
5546         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5547         Change all callers.  Don't add undefined or non-ordinary symbols
5548         to reloc_map_.
5549         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5550         Change all callers.
5551         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5552         declarations.
5553         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5554         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5555         (Sized_relobj::relocate_sections): Likewise.
5556         * target-reloc.h (scan_relocs): Adjust section symbol index.
5557         (scan_relocatable_relocs): Likewise.
5558         * i386.cc (Scan::local): Check for ordinary symbols.
5559         * sparc.cc (Scan::local): Likewise.
5560         * x86_64.cc (Scan::local): Likewise.
5561         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5562         to symbol_section_and_value.
5563         * testsuite/many_sections_test.cc: New file.
5564         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5565         (check_PROGRAMS): Add many_sections_test.
5566         (many_sections_test_SOURCES): Define.
5567         (many_sections_test_DEPENDENCIES): Define.
5568         (many_sections_test_LDFLAGS): Define.
5569         (BUILT_SOURCES): Add many_sections_define.h.
5570         (many_sections_define.h): New target.
5571         (BUILT_SOURCES): Add many_sections_check.h.
5572         (many_sections_check.h): New target.
5573         (check_PROGRAMS): Add many_sections_r_test.
5574         (many_sections_r_test_SOURCES): Define.
5575         (many_sections_r_test_DEPENDENCIES): Define.
5576         (many_sections_r_test_LDFLAGS): Define.
5577         (many_sections_r_test_LDADD): Define.
5578         (many_sections_r_test.o): New target.
5579         * testsuite/Makefile.in: Rebuild.
5580
5581 2008-04-17  Cary Coutant  <ccoutant@google.com>
5582
5583         * errors.cc (Errors::info): New function.
5584         (gold_info): New function.
5585         * errors.h (Errors::info): New function.
5586         * gold.h (gold_info): New function.
5587         * object.cc (Input_objects::add_object): Print trace output.
5588         * options.cc (options::parse_set): New function.
5589         (General_options::parse_wrap): Deleted.
5590         (General_options::General_options): Deleted initializer.
5591         * options.h (options::String_set): New typedef.
5592         (options::parse_set): New function.
5593         (DEFINE_set): New macro.
5594         (General_options::wrap): Changed to use DEFINE_set. Changed
5595         callers of any_wrap_symbols and is_wrap_symbol.
5596         (General_options::trace, General_options::trace_symbol):
5597         New options.
5598         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5599         (General_options::wrap_symbols_): Deleted.
5600         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5601
5602 2008-04-17  David S. Miller  <davem@davemloft.net>
5603
5604         * options.cc (General_options::parse_V): New function.
5605         * options.h: Add entries for -V and -Qy.
5606
5607 2008-04-17  Ian Lance Taylor  <iant@google.com>
5608
5609         * common.cc (Symbol_table::allocate_commons): Remove options
5610         parameter.  Change caller.
5611         (Symbol_table::do_allocate_commons): Remove options parameter.
5612         Change caller.  Just call do_allocate_commons_list twice.
5613         (Symbol_table::do_allocate_commons_list): New function, broken out
5614         of do_allocate_commons.
5615         * common.h (class Allocate_commons_task): Remove options_ field.
5616         Update constructor.
5617         * symtab.cc (Symbol_table::Symbol_table): Initialize
5618         tls_commons_.
5619         (Symbol_table::add_from_object): Put TLS common symbols on
5620         tls_commons_ list.
5621         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5622         which are IN_OUTPUT_DATA.
5623         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5624         allocate_commons and do_allocate_commons declarations.  Declare
5625         do_allocate_commons_list.
5626         * gold.cc (queue_middle_tasks): Update creation of
5627         Allocate_commons_task to not pass options.
5628         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5629         (TLS_TEST_C_FLAGS): New variable.
5630         (tls_test_c_pic.o): New target.
5631         (tls_test_shared.so): Link in tls_test_c_pic.o.
5632         (tls_test_c_pic_ie.o): New target.
5633         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5634         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5635         (tls_test_c.o): New target.
5636         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5637         (tls_pic_test_LDADD): Likewise.
5638         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5639         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5640         (tls_test_c_gnu2.o): New target.
5641         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5642         tls_test_c_gnu2.o.
5643         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5644         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5645         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5646         * testsuite/tls_test.cc: Include "config.h".
5647         (t_last): Call t11_last.
5648         * testsuite/tls_test.h (t11, t11_last): Declare.
5649         * testsuite/tls_test_c.c: New file.
5650         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5651         * configure.ac: Check for OpenMP support.
5652         * configure, config.in, Makefile.in: Rebuild.
5653         * testsuite/Makefile.in: Rebuild.
5654
5655 2008-04-16  Cary Coutant  <ccoutant@google.com>
5656
5657         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5658         (Target_i386::tls_base_symbol_defined_): New field.
5659         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5660         (Target_i386::Scan::global): Likewise.
5661         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5662         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5663         (Target_x86_64::tls_base_symbol_defined_): New field.
5664         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5665         (Target_x86_64::Scan::global): Likewise.
5666
5667 2008-04-16  Cary Coutant  <ccoutant@google.com>
5668
5669         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5670         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5671         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5672         building shared libraries.
5673         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5674         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5675         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5676         * testsuite/Makefile.in: Rebuild.
5677         * testsuite/weak_undef.h: New file.
5678         * testsuite/weak_undef_file1.cc: Add extra test cases.
5679         * testsuite/weak_undef_file2.cc: Likewise.
5680         * testsuite/weak_undef_test.cc: Likewise.
5681
5682 2008-04-16  David S. Miller  <davem@davemloft.net>
5683
5684         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5685         Add issued_non_pic_error_ field.  Declare check_non_pic.
5686         (Target_sparc::Scan::check_non_pic): New function.
5687         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5688         (Target_sparc::Scan::global): Likewise.
5689
5690         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5691         * configure: Rebuild.
5692
5693         * options.h (DEFINE_enable): New macro.
5694         (new_dtags): New enable option.
5695         (initfirst, interpose, loadfltr, nodefaultlib,
5696         nodelete, nodlopen, nodump): New -z options.
5697         * layout.cc (Layout:finish_dynamic_section): If new
5698         dtags enabled, emit DT_RUNPATH.  Also, emit a
5699         DT_FLAGS_1 containing any specified -z flags.
5700
5701 2008-04-16  Ian Lance Taylor  <iant@google.com>
5702
5703         * copy-relocs.cc: New file.
5704         * copy-relocs.h: New file.
5705         * reloc.cc: Remove Copy_relocs code.
5706         * reloc.h: Likewise.
5707         * reloc-types.h (struct Reloc_types) [both versions]: Add
5708         get_reloc_addend_noerror.
5709         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5710         variants of add_global which take an addend which must be zero.
5711         * i386.cc: Include "copy-relocs.h".
5712         (class Target_i386): Change type of copy_relocs_ to variable,
5713         update initializer.
5714         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5715         Change all callers.
5716         (Target_i386::do_finalize_sections): Change handling of
5717         copy_relocs_.
5718         * sparc.cc: Include "copy-relocs.h".
5719         (class Target_sparc): Change type of copy_relocs_ to variable,
5720         update initializer.
5721         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5722         Change all callers.
5723         (Target_sparc::do_finalize_sections): Change handling of
5724         copy_relocs_.
5725         * x86_64.cc: Include "copy-relocs.h".
5726         (class Target_x86_64): Change type of copy_relocs_ to variable,
5727         update initializer.
5728         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5729         class.  Change all callers.
5730         (Target_x86_64::do_finalize_sections): Change handling of
5731         copy_relocs_.
5732         * Makefile.am (CCFILES): Add copy-relocs.cc.
5733         (HFILES): Add copy-relocs.h.
5734
5735         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5736
5737         * testsuite/script_test_4.sh: Permit leading zeroes.
5738
5739 2008-04-15  Ian Lance Taylor  <iant@google.com>
5740
5741         * script-sections.cc (Script_sections::create_segments): Use
5742         header_size_adjustment even when there is enough room for the
5743         headers.
5744         * testsuite/script_test_4.sh: New file.
5745         * testsuite/script_test_4.t: New file.
5746         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5747         (check_DATA): Add script_test_4.stdout.
5748         (MOSTLYCLEANFILES): Likewise.
5749         (script_test_4): New target.
5750         (script_test_4.stdout): New target.
5751         * testsuite/Makefile.in: Rebuild.
5752
5753         * sparc.cc: Add definitions for Output_data_plt_sparc class
5754         constants.
5755
5756 2008-04-14  David S. Miller  <davem@davemloft.net>
5757
5758         * sparc.cc: New file.
5759         * Makefile.am (TARGETSOURCES): Add sparc.cc
5760         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5761         * configure.tgt: Document targ_extra_size and
5762         targ_extra_big_endian.  Add entries for sparc-* and
5763         sparc64-*.
5764         * configure.ac: Handle targ_extra_size and
5765         targ_extra_big_endian.
5766         * Makefile.in: Rebuild.
5767         * configure: Likewise.
5768         * po/POTFILES.in: Likewise.
5769         * po/gold.pot: Likewise.
5770
5771 2008-04-14  Ian Lance Taylor  <iant@google.com>
5772
5773         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5774         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5775         in the name/type/flags to section mapping.  Don't call
5776         allocate_output_section.
5777         (Layout::choose_output_section): Change parameter from adjust_name
5778         to is_input_section.  Don't permit input sections after sections
5779         are attached to segments.  Don't call allocate_output_section.
5780         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5781         not write_enable_output_section.
5782         (Layout::make_output_section): Don't push to
5783         unattached_section_list_ nor call attach_to_segment.  Call
5784         attach_section_to_segment if sections are attached.
5785         (Layout::attach_sections_to_segments): New function.
5786         (Layout::attach_section_to_segment): New function.
5787         (Layout::attach_allocated_section_to_segment): Rename from
5788         attach_to_segment.  Remove flags parameter.
5789         (Layout::allocate_output_section): Remove function.
5790         (Layout::write_enable_output_section): Remove function.
5791         * layout.h (class Layout): Update for above changes.  Add new
5792         field sections_are_attached_.
5793         * output.h (Output_section::update_flags_for_input_section): New
5794         function.
5795         * output.cc (Output_section::add_input_section): Call
5796         update_flags_for_input_section.
5797         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5798
5799 2008-04-11  Cary Coutant  <ccoutant@google.com>
5800
5801         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5802         thought unnecessary.
5803         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5804
5805 2008-04-11  Ian Lance Taylor  <iant@google.com>
5806
5807         * output.h (class Output_section_data): Remove inline definition
5808         of set_addralign.
5809         * output.cc (Output_section_data::set_addralign): New function.
5810
5811 2008-04-11  Cary Coutant  <ccoutant@google.com>
5812
5813         Add support for TLS descriptors for i386 and x86_64.
5814         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5815         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5816         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5817         GOT_TYPE_TLS_DESC.
5818         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5819         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5820         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5821         relocations.
5822         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5823         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5824         Fix problem with initial-exec relocations.
5825         (Target_i386::Relocate::relocate_tls): Likewise.
5826         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5827         relaxation.
5828         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5829         support for section-plus-offset dynamic table entries.
5830         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5831         (Output_data_dynamic::Dynamic_entry): Add support for
5832         section-plus-offset dynamic table entries.
5833         (Output_data_dynamic::Classification): Likewise.
5834         (Output_data_dynamic::classification_): Renamed offset_.
5835         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5836         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5837         (Target_x86_64::make_plt_section): New function.
5838         (Target_x86_64::reserve_tlsdesc_entries): New function.
5839         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5840         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5841         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5842         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5843         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5844         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5845         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5846         add extra PLT entry for TLS descriptors.
5847         (Output_data_plt_x86_64::got_): New field.
5848         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5849         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5850         fields.
5851         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5852         descriptors.
5853         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5854         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5855         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5856         R_386_TLS_DESC_CALL relocations.
5857         (Target_x86_64::Scan::global): Likewise.
5858         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5859         for TLS descriptors.
5860         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5861         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5862         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5863         GD-to-IE relaxation.
5864         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5865         and TLS_DESCRIPTORS.
5866         * Makefile.in: Rebuild.
5867         * configure: Rebuild.
5868         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5869         (tls_test_shared2.so): New target.
5870         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5871         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5872         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5873         (tls_shared_gd_to_ie_test_LDADD): New variable.
5874         (tls_shared_gnu2_gd_to_ie_test): New target.
5875         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5876         New targets.
5877         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5878         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5879         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5880         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5881         (tls_shared_gnu2_test): New target.
5882         (tls_test_gnu2_shared.so): New target.
5883         (tls_shared_gnu2_test_SOURCES): New variable.
5884         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5885         (tls_shared_gnu2_test_LDFLAGS): New variable.
5886         (tls_shared_gnu2_test_LDADD): New variable.
5887         * testsuite/Makefile.in: Rebuild.
5888         * testsuite/Makefile.
5889
5890 2008-04-11  Ian Lance Taylor  <iant@google.com>
5891
5892         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5893         justsyms.t.
5894         * testsuite/Makefile.in: Rebuild.
5895
5896         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5897         long.
5898         * testsuite/script_test_2.cc (main): Adjust test.
5899
5900 2008-04-11  David S. Miller  <davem@davemloft.net>
5901             Ian Lance Taylor  <iant@google.com>
5902
5903         * options.h (General_options): Add entries for '-Y' and
5904         '-relax'.
5905         * options.cc (General_options:finalize): If -Y was used, add those
5906         entries to the library path instead of the default "/lib" and
5907         "/usr/lib".
5908
5909 2008-04-11  David S. Miller  <davem@davemloft.net>
5910
5911         * testsuite/justsyms.t: Start at 0x100.
5912         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5913         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5914         long.
5915         * testsuite/script_test_2.cc: Adjust string and section length
5916         checks.
5917
5918 2008-04-09  Ian Lance Taylor  <iant@google.com>
5919
5920         PR gold/5996
5921         * script-sections.cc (Sections_element::allocate_to_segment): Add
5922         orphan parameter.
5923         (Output_section_definition::allocate_to_segment): Likewise.
5924         (Orphan_output_section::allocate_to_segment): Likewise.
5925         (Script_sections::attach_sections_using_phdrs_clause): Don't
5926         propagate non-PT_LOAD segments to orphan sections.
5927         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5928         readelf rather than objdump.
5929         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5930         .interp section and PT_INTERP segment are the same size.
5931         * testsuite/Makefile.in: Rebuild.
5932
5933         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5934         aliases for symbols defined in the same object.
5935         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5936         (weak_alias_test_SOURCES): New variable.
5937         (weak_alias_test_DEPENDENCIES): New variable.
5938         (weak_alias_test_LDFLAGS): New variable.
5939         (weak_alias_test_LDADD): New variable.
5940         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5941         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5942         (weak_alias_test_3.o): New target.
5943         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5944         * testsuite/weak_alias_test_main.cc: New file.
5945         * testsuite/weak_alias_test_1.cc: New file.
5946         * testsuite/weak_alias_test_2.cc: New file.
5947         * testsuite/weak_alias_test_3.cc: New file.
5948
5949 2008-04-08  Ian Lance Taylor  <iant@google.com>
5950
5951         * options.h (class General_options): Add --noinhibit-exec option.
5952         * main.cc (main): Check --noinhibit-exec.
5953
5954         * options.h (class General_options): Define --wrap as a special
5955         option.  Add wrap_symbols_ field.
5956         (General_options::any_wrap_symbols): New function.
5957         (General_options::is_wrap_symbol): New function.
5958         * options.cc (General_options::parse_wrap): New function.
5959         (General_options::General_options): Initialize wrap_symbols_.
5960         * symtab.cc (Symbol_table::wrap_symbol): New function.
5961         (Symbol_table::add_from_object): Handle --wrap.
5962         * symtab.h (class Symbol_table): Declare wrap_symbol.
5963         * target.h (Target::wrap_char): New function.
5964         (Target::Target_info): Add wrap_char field.
5965         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5966         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5967         * testsuite/testfile.cc (Target_test::test_target_info):
5968         Likewise.
5969
5970         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5971         there is one.
5972
5973         * layout.h (class Layout): Add added_eh_frame_data_ field.
5974         * layout.cc (Layout::Layout): Initialize new field.
5975         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5976         output section until we find a section we merged successfully.
5977         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5978         that the size be non-zero.
5979
5980         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5981         qualifier.
5982
5983 2008-04-08  Craig Silverstein  <csilvers@google.com>
5984
5985         * configure.ac: Export new conditional variable HAVE_ZLIB.
5986         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5987         on HAVE_ZLIB.
5988         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5989         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5990
5991 2008-04-07  Ian Lance Taylor  <iant@google.com>
5992
5993         * version.cc (version_string): Set to "1.5".
5994
5995         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5996         Add issued_non_pic_error_ field.  Declare check_non_pic.
5997         (Target_x86_64::Scan::check_non_pic): New function.
5998         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5999         (Target_x86_64::Scan::global): Likewise.
6000
6001         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6002         addend parameter.  Change caller.  Handle merge sections.
6003         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6004         Address to Addend.  Don't add in the result of
6005         local_section_offset, pass down the addend and use the returned
6006         value.
6007         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6008         Update declarations of local_section_offset and symbol_value.
6009         * testsuite/two_file_test_1.cc (t18): New function.
6010         * testsuite/two_file_test_2.cc (f18): New function.
6011         * testsuite/two_file_test_main.cc (main): Call t18.
6012         * testsuite/two_file_test.h (t18, f18): Declare.
6013
6014         * configure.ac: Don't test for objdump, c++filt, or readelf.
6015         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6016         conditionals.
6017         (TEST_READELF): New variable.
6018         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6019         (check_PROGRAMS): Add two_file_strip_test.
6020         (two_file_strip_test): New target.
6021         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6022         (two_file_same_shared_strip_test_SOURCES): New variable.
6023         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6024         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6025         (two_file_same_shared_strip_test_LDADD): New variable.
6026         (two_file_shared_strip.so): New target.
6027         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6028         (ver_test_5.syms, ver_test_7.syms): Likewise.
6029         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6030         (strip_test_3.stdout): Use TEST_OBJDUMP.
6031         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6032
6033 2008-04-04  Cary Coutant  <ccoutant@google.com>
6034
6035         * symtab.h (Symbol::is_weak_undefined): New function.
6036         (Symbol::is_strong_undefined): New function.
6037         (Symbol::is_absolute): New function.
6038         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6039         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6040         absolute symbols.
6041         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6042         (weak_undef_test): New target.
6043         * testsuite/Makefile.in: Rebuild.
6044         * testsuite/weak_undef_file1.cc: New file.
6045         * testsuite/weak_undef_file2.cc: New file.
6046         * testsuite/weak_undef_test.cc: New file.
6047
6048 2008-04-03  Craig Silverstein  <csilvers@google.com>
6049
6050         * compressed_output.h (class Output_compressed_section): Use
6051         unsigned buffer.
6052         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6053         add zlib header.
6054         (zlib_compressed_suffix): Removed.
6055         (Output_compressed_section::set_final_data_size): Use unsigned
6056         buffers.
6057         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6058         Fix linker invocation.
6059         (flagstest_o_specialfile_and_compress_debug_sections):
6060         Likewise.
6061         * testsuite/Makefile.in: Regenerated.
6062
6063 2008-04-02  David S. Miller  <davem@davemloft.net>
6064
6065         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6066         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6067
6068 2008-04-02  Craig Silverstein  <csilvers@google.com>
6069
6070         * TODO: New file.
6071
6072 2008-04-02  Ian Lance Taylor  <iant@google.com>
6073
6074         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6075         parameters.  Update for new key type to views_.  Change all
6076         callers.
6077         (File_read::read): Adjust for byteshift in returned view.
6078         (File_read::add_view): New function, broken out of
6079         find_and_make_view.
6080         (File_read::make_view): New function, broken out of
6081         find_and_make_view.
6082         (File_read::find_or_make_view): Add offset and aligned
6083         parameters.  Rewrite accordingly.  Change all callers.
6084         (File_read::get_view): Add offset and aligned parameters.  Adjust
6085         for byteshift in return value.
6086         (File_read::get_lasting_view): Likewise.
6087         * fileread.h (class File_read): Update declarations.
6088         (class File_read::View): Add byteshift_ field.  Add byteshift to
6089         constructor.  Add byteshift method.
6090         * archive.h (Archive::clear_uncached_views): New function.
6091         (Archive::get_view): Add aligned parameter.  Change all callers.
6092         * object.h (Object::get_view): Add aligned parameter.  Change all
6093         callers.
6094         (Object::get_lasting_view): Likewise.
6095
6096         * fileread.cc (File_read::release): Don't call clear_views if
6097         there are multiple objects.
6098         * fileread.h (File_read::clear_uncached_views): New function.
6099         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6100         on the archive.
6101
6102 2008-03-31  Cary Coutant  <ccoutant@google.com>
6103
6104         Add thin archive support.
6105         * archive.cc (Archive::armagt): New const.
6106         (Archive::setup): Remove task parameter and calls to unlock.
6107         (Archive::unlock_nested_archives): New function.
6108         (Archive::read_header): Add nested_off parameter. Change
6109         all callers.
6110         (Archive::interpret_header): Likewise.
6111         (Archive::include_all_members): Change to handle thin
6112         archives.
6113         (Archive::include_member): Likewise.
6114         * archive.h (Archive::Archive): Add new parameters and
6115         initializers.
6116         (Archive::armagt): New const.
6117         (Archive::setup): Remove task parameter.
6118         (Archive::unlock_nested_archives): New function.
6119         (Archive::read_header): Add nested_off parameter.
6120         (Archive::interpret_header): Likewise.
6121         (Archive::Nested_archive_table): New typedef.
6122         (Archive::is_thin_archive_): New field.
6123         (Archive::nested_archives_): New field.
6124         (Archive::options_): New field.
6125         (Archive::dirpath_): New field.
6126         (Archive::task_): New field.
6127         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6128         for thin archives.  Pass additional parameters to
6129         Archive::Archive.  Unlock the archive file after calling
6130         Archive::setup.
6131
6132 2008-03-29  Ian Lance Taylor  <iant@google.com>
6133
6134         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6135         version symbol to be local.
6136         * testsuite/ver_test_4.sh: New file.
6137         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6138         (check_DATA): Add ver_test_4.syms.
6139         (ver_test_4.syms): New target.
6140         * testsuite/Makefile.in: Rebuild.
6141
6142         * output.cc
6143         (Output_section::Input_section_sort_entry::has_priority): New
6144         function.
6145         (Output_section::Input_section_sort_entry::match_file_name): New
6146         function.
6147         (Output_section::Input_section_sort_entry::match_section_name):
6148         Remove.
6149         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6150         Remove.
6151         (Output_section::Input_section_sort_entry::match_section_file):
6152         Remove.
6153         (Output_section::Input_section_sort_compare::operator()): Rewrite
6154         using new Input_section_sort_entry functions.  Sort crtbegin and
6155         crtend first.  Sort sections with no priority before sections with
6156         a priority.
6157         * testsuite/initpri1.c (d3): Check j != 4.
6158         (cd5): New constructor/destructor function.
6159         (main): Check j != 2.
6160
6161         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6162         new symbol when resolving, don't call set_is_default.
6163         * testsuite/ver_test_7.cc: New file.
6164         * testsuite/ver_test_7.sh: New file.
6165         * testsuite/Makefile.am (ver_test_7.so): New target.
6166         (ver_test_7.o): New target.
6167         (check_SCRIPTS): Add ver_test_7.sh.
6168         (check_DATA): Add ver_test_7.syms.
6169         (ver_test_7.syms): New target.
6170
6171 2008-03-28  Ian Lance Taylor  <iant@google.com>
6172
6173         * layout.cc (Layout::layout): If we see an input section with a
6174         name that needs sorting, set the must_sort flag for the output
6175         section.
6176         (Layout::make_output_section): If the name of the output section
6177         indicates that it might require sorting, set the may_sort flag.
6178         * output.h (Output_section::may_sort_attached_input_sections): New
6179         function.
6180         (Output_section::set_may_sort_attached_input_sections): New
6181         function.
6182         (Output_section::must_sort_attached_input_sections): New
6183         function.
6184         (Output_section::set_must_sort_attached_input_sections): New
6185         function.
6186         (class Output_section): Declare Input_section_sort_entry.  Define
6187         Input_section_sort_compare.  Declare
6188         sort_attached_input_sections.  Add new fields:
6189         may_sort_attached_input_sections_,
6190         must_sort_attached_input_sections_,
6191         attached_input_sections_are_sorted_.
6192         * output.cc (Output_section::Output_section): Initialize new
6193         fields.
6194         (Output_section::add_input_section): Add an entry to
6195         input_sections_ if may_sort or must_sort are true.
6196         (Output_section::set_final_data_size): Call
6197         sort_attached_input_sections if necessary.
6198         (Output_section::Input_section_sort_entry): Define new class.
6199         (Output_section::Input_section_sort_compare::operator()): New
6200         function.
6201         (Output_section::sort_attached_input_sections): New function.
6202         * configure.ac: Check whether the compiler supports constructor
6203         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6204         * testsuite/initpri1.c: New file.
6205         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6206         CONSTRUCTOR_PRIORITY.
6207         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6208         (initpri1_LDFLAGS): New variable.
6209         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6210
6211 2008-03-27  Ian Lance Taylor  <iant@google.com>
6212
6213         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6214         * testsuite/common_test_1.c: New file.
6215         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6216         (common_test_1_SOURCES): New variable.
6217         (common_test_1_DEPENDENCIES): New variable.
6218         (common_test_1_LDFLAGS): New variable.
6219
6220         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6221         and commons_ correctly when NAME/VERSION does not override
6222         NAME/NULL.
6223         * testsuite/ver_test_6.c: New file.
6224         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6225         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6226         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6227
6228 2008-03-26  Ian Lance Taylor  <iant@google.com>
6229
6230         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6231         of an undefined symbol from a version script.
6232         * testsuite/Makefile.am (ver_test_5.so): New target.
6233         (ver_test_5.o): New target.
6234         (check_SCRIPTS): Add ver_test_5.sh.
6235         (check_DATA): Add ver_test_5.syms.
6236         (ver_test_5.syms): New target.
6237         * testsuite/ver_test_5.cc: New file.
6238         * testsuite/ver_test_5.script: New file.
6239         * testsuite/ver_test_5.sh: New file.
6240         * Makefile.in, testsuite/Makefile.in: Rebuild.
6241
6242         PR gold/5986
6243         Fix problems building gold with gcc 4.3.0.
6244         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6245         (gold_error_at_location, gold_warning_at_location): Use it.
6246         * configure.ac: Check whether we can compile and use a template
6247         function with a printf attribute.
6248         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6249         when jumping over bytes.
6250         * object.cc: Instantiate Object::read_section_data.
6251         * debug.h: Include <cstring>
6252         * dwarf_reader.cc: Include <algorithm>
6253         * main.cc: Include <cstring>.
6254         * options.cc: Include <cstring>.
6255         * output.cc: Include <cstring>.
6256         * script.cc: Include <cstring>.
6257         * script.h: Include <string>.
6258         * symtab.cc: Include <cstring> and <algorithm>.
6259         * target-select.cc: Include <cstring>.
6260         * version.cc: Include <string>.
6261         * testsuite/testmain.cc: Include <cstdlib>.
6262         * configure, config.in: Rebuild.
6263
6264 2008-03-25  Ian Lance Taylor  <iant@google.com>
6265
6266         * options.cc: Include "../bfd/bfdver.h".
6267         (options::help): Print bug reporting address.
6268
6269         * version.cc (print_version): Adjust output for current value of
6270         BFD_VERSION_STRING.
6271
6272         * NEWS: New file.
6273
6274         * options.cc (options::help): Print list of supported targets.
6275         * target-select.h: Include <vector>.
6276         (class Target_selector): Make machine_, size_, and is_big_endian_
6277         fields const.  Add bfd_name_ and instantiated_target_ fields.
6278         (Target_selector::Target_selector): Add bfd_name parameter.
6279         (Target_selector::recognize): Make non-virtual, call
6280         do_recognize.
6281         (Target_selector::recognize_by_name): Make non-virtual, call
6282         do_recognize_by_name.
6283         (Target_selector::supported_names): New function.
6284         (Target_selector::bfd_name): New function.
6285         (Target_selector::do_instantiate_target): New pure virtual
6286         function.
6287         (Target_selector::do_recognize): New virtual function.
6288         (Target_selector::do_recognize_by_name): New virtual function.
6289         (Target_selector::instantiate_target): New private function.
6290         (supported_target_names): Declare.
6291         * target-select.cc (Target_selector::Target_selector): Update for
6292         new parameter and fields.
6293         (select_target_by_name): Check that the name matches before
6294         calling recognize_by_name.
6295         (supported_target_names): New function.
6296         * i386.cc (class Target_selector_i386): Update Target_selector
6297         constructor call.  Remove recognize and recognize_by_name.  Add
6298         do_instantiate_target.
6299         * x86_64.cc (class Target_selector_x86_64): Likewise.
6300         * testsuite/testfile.cc (class Target_selector_test): Update for
6301         changes to Target_selector.
6302
6303         * README: Rewrite, with some notes on unsupported features.
6304
6305 2008-03-24  Cary Coutant  <ccoutant@google.com>
6306
6307         * i386.cc (Target_i386::Got_type): New enum declaration.
6308         (Target_i386::Scan::local): Updated callers of Output_data_got
6309         member functions.
6310         (Target_i386::Scan::global): Likewise.
6311         (Target_i386::Relocate::relocate): Likewise.
6312         (Target_i386::Relocate::relocate_tls): Likewise.
6313         * object.h (Got_offset_list): New class.
6314         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6315         (Sized_relobj::local_got_offset): Likewise.
6316         (Sized_relobj::set_local_got_offset): Likewise.
6317         (Sized_relobj::local_has_tls_got_offset): Removed.
6318         (Sized_relobj::local_tls_got_offset): Removed.
6319         (Sized_relobj::set_local_tls_got_offset): Removed.
6320         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6321         * output.cc (Output_data_got::add_global): Added got_type parameter.
6322         (Output_data_got::add_global_with_rel): Likewise.
6323         (Output_data_got::add_global_with_rela): Likewise.
6324         (Output_data_got::add_global_pair_with_rel): New function.
6325         (Output_data_got::add_global_pair_with_rela): New function.
6326         (Output_data_got::add_local): Added got_type parameter.
6327         (Output_data_got::add_local_with_rel): Likewise.
6328         (Output_data_got::add_local_with_rela): Likewise.
6329         (Output_data_got::add_local_pair_with_rel): New function.
6330         (Output_data_got::add_local_pair_with_rela): New function.
6331         (Output_data_got::add_global_tls): Removed.
6332         (Output_data_got::add_global_tls_with_rel): Removed.
6333         (Output_data_got::add_global_tls_with_rela): Removed.
6334         (Output_data_got::add_local_tls): Removed.
6335         (Output_data_got::add_local_tls_with_rel): Removed.
6336         (Output_data_got::add_local_tls_with_rela): Removed.
6337         * output.h (Output_data_got::add_global): Added got_type parameter.
6338         (Output_data_got::add_global_with_rel): Likewise.
6339         (Output_data_got::add_global_with_rela): Likewise.
6340         (Output_data_got::add_global_pair_with_rel): New function.
6341         (Output_data_got::add_global_pair_with_rela): New function.
6342         (Output_data_got::add_local): Added got_type parameter.
6343         (Output_data_got::add_local_with_rel): Likewise.
6344         (Output_data_got::add_local_with_rela): Likewise.
6345         (Output_data_got::add_local_pair_with_rel): New function.
6346         (Output_data_got::add_local_pair_with_rela): New function.
6347         (Output_data_got::add_global_tls): Removed.
6348         (Output_data_got::add_global_tls_with_rel): Removed.
6349         (Output_data_got::add_global_tls_with_rela): Removed.
6350         (Output_data_got::add_local_tls): Removed.
6351         (Output_data_got::add_local_tls_with_rel): Removed.
6352         (Output_data_got::add_local_tls_with_rela): Removed.
6353         * resolve.cc (Symbol::override_base_with_special): Removed
6354         reference to has_got_offset_ field.
6355         * symtab.cc (Symbol::init_fields): Replaced initialization
6356         of got_offset_ with got_offsets_.  Removed initialization
6357         of has_got_offset_
6358         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6359         (Symbol::got_offset): Likewise.
6360         (Symbol::set_got_offset): Likewise.
6361         (Symbol::has_tls_got_offset): Removed.
6362         (Symbol::tls_got_offset): Removed.
6363         (Symbol::set_tls_got_offset): Removed.
6364         (Symbol::got_offset_): Removed.
6365         (Symbol::tls_mod_got_offset_): Removed.
6366         (Symbol::tls_pair_got_offset_): Removed.
6367         (Symbol::got_offsets_): New field.
6368         (Symbol::has_got_offset): Removed.
6369         (Symbol::has_tls_mod_got_offset): Removed.
6370         (Symbol::has_tls_pair_got_offset): Removed.
6371         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6372         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6373         member functions.
6374         (Target_x86_64::Scan::global): Likewise.
6375         (Target_x86_64::Relocate::relocate): Likewise.
6376         (Target_x86_64::Relocate::relocate_tls): Likewise.
6377
6378 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6379
6380         * yyscript.y: Fix spelling error in comment.
6381
6382 2008-03-24  Ian Lance Taylor  <iant@google.com>
6383
6384         * options.h (class General_options): Define build_id option.
6385         * layout.h (class Layout): Declare write_build_id, create_note,
6386         create_build_id.  Add build_id_note_ member.
6387         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6388         "libiberty.h", "md5.h", "sha1.h".
6389         (Layout::Layout): Initialize eh_frame_data_,
6390         eh_frame_hdr_section_, and build_id_note_.
6391         (Layout::finalize): Call create_build_id.
6392         (Layout::create_note): New function, broken out of
6393         Layout::create_gold_note.
6394         (Layout::create_gold_note): Call create_note.
6395         (Layout::create_build_id): New function.
6396         (Layout::write_build_id): New function.
6397         (Close_task_runner::run): Call write_build_id.
6398
6399         * x86_64.cc: Correct license to GPLv3.
6400
6401 2008-03-23  Ian Lance Taylor  <iant@google.com>
6402
6403         * options.cc: Include "demangle.h".
6404         (parse_optional_string): New function.
6405         (parse_long_option): Handle takes_optional_argument.
6406         (parse_short_option): Update dash_z initializer.  Handle
6407         takes_optional_argument.
6408         (General_options::General_options): Initialize do_demangle_.
6409         (General_options::finalize): Set do_demangle_.  Handle demangling
6410         style.
6411         * options.h (parse_optional_string): Declare.
6412         (struct One_option): Add optional_arg field.  Update constructor.
6413         Update call constructor calls.  Add takes_optional_argument
6414         function.
6415         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6416         (DEFINE_optional_string): Define.
6417         (General_options::demangle): Change from DEFINE_bool to
6418         DEFINE_optional_string.
6419         (General_options::no_demangle): New function.
6420         (General_options::do_demangle): New function.
6421         (General_options::set_do_demangle): New function.
6422         (General_options::execstack_status_): Move definition to end of
6423         class definition.
6424         (General_options::static_): Likewise.
6425         (General_options::do_demangle_): New field.
6426         * object.cc (big_endian>::get_symbol_location_info): Call
6427         Options::do_demangle, not Options::demangle.
6428         * symtab.cc (demangle): Likewise.
6429
6430 2008-03-22  Ian Lance Taylor  <iant@google.com>
6431
6432         * gold.h: Include <cstddef> and <sys/types.h>
6433         * options.h: Include <cstring>.
6434
6435 2008-03-21  Ian Lance Taylor  <iant@google.com>
6436
6437         * Added source code to GNU binutils.