gold/ChangeLog

   1 2011-09-26  Cary Coutant  <ccoutant@google.com>
   2
   3         gcc PR lto/47247
   4         * plugin.cc (get_symbols_v2): New function.
   5         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
   6         (is_referenced_from_outside): New function.
   7         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
   8         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
   9         (get_symbols): Pass version parameter.
  10         (get_symbols_v2): New function.
  11         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  12         parameter.
  13         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  14         (onload): Add LDPT_GET_SYMBOLS_V2.
  15         (all_symbols_read_hook): Use get_symbols_v2; check for
  16         LDPR_PREVAILING_DEF_IRONLY_EXP.
  17         * testsuite/plugin_test_3.sh: Update expected results.
  18
  19 2011-09-23  Simon Baldwin  <simonb@google.com>
  20
  21         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  22         configuration options.
  23         * configure: Regenerate.
  24         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  25         * Makefile.in: Regenerate.
  26         * testsuite/Makefile.in: Regenerate.
  27
  28 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  29
  30         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  31
  32 2011-09-19  Cary Coutant  <ccoutant@google.com>
  33
  34         * incremental.cc (can_incremental_update): Fix typo in comment.
  35         * incremental.h (can_incremental_update): Likewise.
  36
  37 2011-09-18  Cary Coutant  <ccoutant@google.com>
  38
  39         * incremental.cc (can_incremental_update): New function.
  40         * incremental.h (can_incremental_update): New function.
  41         * layout.cc (Layout::init_fixed_output_section): Call it.
  42         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  43         * object.cc (Sized_relobj_file::do_layout): Call
  44         can_incremental_update.
  45
  46 2011-09-13  Cary Coutant  <ccoutant@google.com>
  47
  48         * configure.ac: Check for glibc support for gnu_indirect_function
  49         support with static linking, setting automake conditional
  50         IFUNC_STATIC.
  51         * Makefile.in: Regenerate.
  52         * configure: Regenerate.
  53
  54         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  55         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  56         for IFUNC_STATIC.
  57         * testsuite/Makefile.in: Regenerate.
  58
  59 2011-09-13  Cary Coutant  <ccoutant@google.com>
  60
  61         * incremental.cc (Sized_relobj_incr::do_layout): Call
  62         report_comdat_group for kept comdat sections.
  63         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
  64         * testsuite/Makefile.in: Regenerate.
  65         * testsuite/incr_comdat_test_1.cc: New source file.
  66         * testsuite/incr_comdat_test_2_v1.cc: New source file.
  67         * testsuite/incr_comdat_test_2_v2.cc: New source file.
  68         * testsuite/incr_comdat_test_2_v3.cc: New source file.
  69
  70 2011-09-13  Ian Lance Taylor  <iant@google.com>
  71
  72         * object.cc (Sized_relobj_file::do_layout): Remove unused local
  73         variable external_symbols_offset.
  74
  75 2011-09-12  Ian Lance Taylor  <iant@google.com>
  76
  77         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
  78         triggered if object has no symbols.
  79
  80 2011-09-09  David S. Miller  <davem@davemloft.net>
  81
  82         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
  83         (Output_fill_debug_line::do_write): Likewise.
  84
  85 2011-08-29  Cary Coutant  <ccoutant@google.com>
  86
  87         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
  88         casts to match formatting specs.
  89         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
  90
  91 2011-08-26  Cary Coutant  <ccoutant@google.com>
  92
  93         * layout.cc (Free_list::allocate): Provide guarantee of minimum
  94         remaining hole size when allocating.
  95         (Layout::make_output_section): Set fill methods for debug sections.
  96         * layout.h (Free_list::Free_list_node): Move from private to
  97         public.
  98         (Free_list::set_min_hole_size): New function.
  99         (Free_list::begin, Free_list::end): New functions.
 100         (Free_list::min_hole_): New data member.
 101         * output.cc: Include dwarf.h.
 102         (Output_fill_debug_info::do_minimum_hole_size): New function.
 103         (Output_fill_debug_info::do_write): New function.
 104         (Output_fill_debug_line::do_minimum_hole_size): New function.
 105         (Output_fill_debug_line::do_write): New function.
 106         (Output_section::Output_section): Initialize new data member.
 107         (Output_section::set_final_data_size): Ensure patch space is larger
 108         than minimum hole size.
 109         (Output_section::do_write): Fill holes in debug sections.
 110         * output.h (Output_fill): New class.
 111         (Output_fill_debug_info): New class.
 112         (Output_fill_debug_line): New class.
 113         (Output_section::set_free_space_fill): New function.
 114         (Output_section::free_space_fill_): New data member.
 115         * testsuite/Makefile.am (incremental_test_3): Add
 116         --incremental-patch option.
 117         (incremental_test_4): Likewise.
 118         (incremental_test_5): Likewise.
 119         (incremental_test_6): Likewise.
 120         (incremental_copy_test): Likewise.
 121         (incremental_common_test_1): Likewise.
 122         * testsuite/Makefile.in: Regenerate.
 123
 124 2011-08-26  Nick Clifton  <nickc@redhat.com>
 125
 126         * po/es.po: Updated Spanish translation.
 127
 128 2011-08-01  Cary Coutant  <ccoutant@google.com>
 129
 130         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 131         * gold/testsuite/Makefile.in: Regenerate.
 132         * gold/testsuite/justsyms_exec.c: New source file.
 133         * gold/testsuite/justsyms_lib.c: New source file.
 134
 135 2011-08-01  Cary Coutant  <ccoutant@google.com>
 136
 137         * layout.cc (Layout::set_segment_offsets): Don't realign text
 138         segment if -Ttext was specified.
 139         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 140         file type.
 141         * object.h (Sized_relobj_file::e_type): New function.
 142         (Sized_relobj_file::e_type_): New data member.
 143         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 144         base address for ET_EXEC files.
 145         * target.cc (Target::do_make_elf_object_implementation): Allow
 146         ET_EXEC files with --just-symbols option.
 147
 148 2011-07-28  Cary Coutant  <ccoutant@google.com>
 149
 150         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 151         Add thread_number parameter.
 152         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 153         * workqueue-threads.cc
 154         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 155         current thread if its thread number is greater than desired thread
 156         count.
 157         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 158         Add thread_number parameter.
 159         (Workqueue::should_cancel_thread): Likewise.
 160         (Workqueue::find_runnable_or_wait): Pass thread_number to
 161         should_cancel_thread.
 162         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 163         parameter.
 164
 165 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 166
 167         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 168         only after checking if it cannot be forced local.
 169         * symtab.h (is_externally_visible): Check if the symbol is not forced
 170         local.
 171
 172 2011-07-15  Ian Lance Taylor  <iant@google.com>
 173
 174         * options.h (class General_options): Add --print-output-format.
 175         Move -EL next to -EB, for  better --help output.
 176         * target-select.cc: Include <cstdio>, "options.h", and
 177         "parameters.h".
 178         (Target_selector::do_target_bfd_name): New function.
 179         (print_output_format): New function.
 180         * target-select.h (class Target_selector): Update declarations.
 181         (Target_selector::target_bfd_name): New function.
 182         (print_output_format): Declare.
 183         * main.cc: Include "target-select.h".
 184         (main): Handle --print-output-format.
 185         * gold.cc: Include "target-select.h".
 186         (queue_initial_tasks): Handle --print-output-format when there are
 187         no input files.
 188         * parameters.cc (parameters_force_valid_target): Give a better
 189         error message if -EB/-EL does not match target.
 190         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 191         function.
 192
 193 2011-07-15  Ian Lance Taylor  <iant@google.com>
 194
 195         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 196         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 197         (Output_data_plt_i386::do_write): Write address of .dynamic
 198         section to first entry in .got.plt section.
 199         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 200         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 201         Initialize layout_.
 202         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 203         section to first entry in .got.plt section.
 204         * layout.h (Layout::dynamic_section): New function.
 205
 206 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 207
 208         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 209         to claim_file call.
 210         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 211         input_section_position_, and input_section_glob_.
 212         (read_layout_from_file): Call function section_ordering_specified.
 213         * layout.h (is_section_ordering_specified): New function.
 214         (section_ordering_specified): New function.
 215         (section_ordering_specified_): New boolean member.
 216         * main.cc(main): Call load_plugins after layout object is defined.
 217         * output.cc (Output_section::add_input_section): Use
 218         function section_ordering_specified to check if section ordering is
 219         needed.
 220         * output.cc (Output_section::add_relaxed_input_section): Use
 221         function section_ordering_specified to check if section ordering is
 222         needed.
 223         (Output_section::update_section_layout): New function.
 224         (Output_section::sort_attached_input_sections): Check if input section
 225         must be reordered.
 226         * output.h (Output_section::update_section_layout): New function.
 227         * plugin.cc (get_section_count): New function.
 228         (get_section_type): New function.
 229         (get_section_name): New function.
 230         (get_section_contents): New function.
 231         (update_section_order): New function.
 232         (allow_section_ordering): New function.
 233         (Plugin::load): Add the new interfaces to the transfer vector.
 234         (Plugin_manager::load_plugins): New parameter.
 235         (Plugin_manager::all_symbols_read): New parameter.
 236         (Plugin_manager::claim_file): New parameter. Save the elf object for
 237         unclaimed objects.
 238         (Plugin_manager::get_elf_object): New function.
 239         (Plugin_manager::get_view): Change to directly use the bool to check
 240         if get_view is called from claim_file_hook.
 241         * plugin.h (input_objects): New function
 242         (Plugin__manager::load_plugins): New parameter.
 243         (Plugin_manager::claim_file): New parameter.
 244         (Plugin_manager::get_elf_object): New function.
 245         (Plugin_manager::in_claim_file_handler): New function.
 246         (Plugin_manager::in_claim_file_handler_): New member.
 247         (layout): New function.
 248         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 249         handler with an extra parameter. Make the elf object before calling
 250         claim_file handler.
 251         * testsuite/plugin_test.c (get_section_count): New function pointer.
 252         (get_section_type): New function pointer.
 253         (get_section_name): New function pointer.
 254         (get_section_contents): New function pointer.
 255         (update_section_order): New function pointer.
 256         (allow_section_ordering): New function pointer.
 257         (onload): Check if the new interfaces exist.
 258
 259 2011-07-13  Ian Lance Taylor  <iant@google.com>
 260
 261         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 262         relro section.
 263         * x86_64.cc (Target_x86_64::got_section): Likewise.
 264         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 265         (relro_now_test_SOURCES): New variable.
 266         (relro_now_test_DEPENDENCIES): New variable.
 267         (relro_now_test_LDFLAGS): New variable.
 268         (relro_now_test_LDADD): New variable.
 269         (relro_now_test.so): New target.
 270         * testsuite/Makefile.in: Rebuild.
 271
 272 2011-07-12  Ian Lance Taylor  <iant@google.com>
 273
 274         PR gold/12980
 275         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 276         GLOB_DAT relocation rather than a RELATIVE relocation for a
 277         protected symbol when creating a shared library.
 278         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 279         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 280         * testsuite/protected_main_1.cc (main): Test that protected
 281         function has same address.
 282
 283 2011-07-11  Ian Lance Taylor  <iant@google.com>
 284
 285         PR gold/12979
 286         * options.h (class General_options): Add -Bgroup.
 287         * options.cc (General_options::finalize): If -Bgroup is set,
 288         default to --unresolved-symbols=report-all.
 289         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 290         * target-reloc.h (issue_undefined_symbol_error): Handle
 291         --unresolved-symbols=report-all.
 292
 293 2011-07-08  Ian Lance Taylor  <iant@google.com>
 294
 295         PR gold/11985
 296         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 297         if linker script discards key sections.
 298         (Layout::create_dynamic_symtab): Likewise.
 299         (Layout::assign_local_dynsym_offsets): Likewise.
 300         (Layout::sized_create_version_sections): Likewise.
 301         (Layout::create_interp): Likewise.
 302         (Layout::finish_dynamic_section): Likewise.
 303         (Layout::set_dynamic_symbol_size): Likewise.
 304
 305 2011-07-08  Ian Lance Taylor  <iant@google.com>
 306
 307         PR gold/12386
 308         * options.h (class General_options): Add --unresolved-symbols.
 309         * target-reloc.h (issue_undefined_symbol_error): Check
 310         --unresolved-symbols.  Add comments.
 311
 312 2011-07-08  Ian Lance Taylor  <iant@google.com>
 313
 314         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 315         expression more complex.
 316
 317 2011-07-08  Ian Lance Taylor  <iant@google.com>
 318
 319         PR gold/11317
 320         * target-reloc.h (issue_undefined_symbol_error): New inline
 321         function, broken out of relocate_section.
 322         (relocate_section): Call issue_undefined_symbol_error.
 323         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 324         there is no TLS segment if we are about to issue an undefined
 325         symbol error.
 326         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 327
 328 2011-07-08  Ian Lance Taylor  <iant@google.com>
 329
 330         PR gold/12279
 331         * resolve.cc (Symbol_table::should_override): Add fromtype
 332         parameter.  Change all callers.  Give error when linking together
 333         TLS and non-TLS symbol.
 334         (Symbol_table::should_override_with_special): Add fromtype
 335         parameter.  Change all callers.
 336         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 337         there is no TLS segment if we have reported some errors.
 338         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 339
 340 2011-07-08  Ian Lance Taylor  <iant@google.com>
 341
 342         PR gold/12372
 343         * target.h (Target::plt_address_for_global): New function.
 344         (Target::plt_address_for_local): New function.
 345         (Target::plt_section_for_global): Remove.
 346         (Target::plt_section_for_local): Remove.
 347         (Target::do_plt_address_for_global): New virtual function.
 348         (Target::do_plt_address_for_local): New virtual function.
 349         (Target::do_plt_section_for_global): Remove.
 350         (Target::do_plt_section_for_local): Remove.
 351         (Target::register_global_plt_entry): Add Symbol_table and Layout
 352         parameters.
 353         * output.cc (Output_data_got::Got_entry::write): Use
 354         plt_address_for_global and plt_address_for_local.
 355         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 356         address of output section.
 357         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 358         got_irelative_, and irelative_count_ fields.  Update
 359         declarations.
 360         (Output_data_plt_i386::has_irelative_section): New function.
 361         (Output_data_plt_i386::entry_count): Add irelative_count_.
 362         (Output_data_plt_i386::set_final_data_size): Likewise.
 363         (class Target_i386): Add got_irelative_ and rel_irelative_
 364         fields.  Update declarations.
 365         (Target_i386::Target_i386): Initialize new fields.
 366         (Target_i386::do_plt_address_for_global): New function replacing
 367         do_plt_section_for_global.
 368         (Target_i386::do_plt_address_for_local): New function replacing
 369         do_plt_section_for_local.
 370         (Target_i386::got_section): Create got_irelative_.
 371         (Target_i386::rel_irelative_section): New function.
 372         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 373         fields.  Don't define __rel_iplt_{start,end}.
 374         (Output_data_plt_i386::add_entry): Add symtab and layout
 375         parameters.  Change all callers.  Use different PLT and GOT for
 376         IFUNC symbols.
 377         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 378         layout parameters.  Change all callers.  Use different PLT and
 379         GOT.
 380         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 381         (Output_data_plt_i386::rel_irelative): New function.
 382         (Output_data_plt_i386::address_for_global): New function.
 383         (Output_data_plt_i386::address_for_local): New function.
 384         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 385         IRELATIVE GOT when changing IFUNC GOT entries.
 386         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 387         reloc.
 388         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 389         if we didn't create an IRELATIVE GOT.
 390         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 391         plt_address_for_local.
 392         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 393         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 394         got_irelative_, and irelative_count_ fields.  Update
 395         declarations.
 396         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 397         Initialize new fields.  Remove symtab parameter.  Change all
 398         callers.
 399         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 400         irelative_count_.
 401         (Output_data_plt_x86_64::has_irelative_section): New function.
 402         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 403         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 404         fields.  Update declarations.
 405         (Target_x86_64::Target_x86_64): Initialize new fields.
 406         (Target_x86_64::do_plt_address_for_global): New function replacing
 407         do_plt_section_for_global.
 408         (Target_x86_64::do_plt_address_for_local): New function replacing
 409         do_plt_section_for_local.
 410         (Target_x86_64::got_section): Create got_irelative_.
 411         (Target_x86_64::rela_irelative_section): New function.
 412         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 413         all callers.  Don't create __rel_iplt_{start,end}.
 414         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 415         parameters.  Change all callers.  Use different PLT and GOT for
 416         IFUNC symbols.
 417         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 418         layout parameters.  Change all callers.  Use different PLT and
 419         GOT.
 420         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 421         parameters.  Change all callers.  Use different PLT and GOT for
 422         IFUNC symbols.
 423         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 424         (Output_data_plt_x86_64::rela_irelative): New function.
 425         (Output_data_plt_x86_64::address_for_global): New function.
 426         (Output_data_plt_x86_64::address_for_local): New function.
 427         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 428         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 429         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 430         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 431         parameters.
 432         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 433         reloc.
 434         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 435         symbols if we didn't create an IRELATIVE GOT.
 436         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 437         plt_address_for_local.
 438         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 439         * testsuite/ifuncvar1.c: New test file.
 440         * testsuite/ifuncvar2.c: New test file.
 441         * testsuite/ifuncvar3.c: New test file.
 442         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 443         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 444         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 445         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 446         * testsuite/Makefile.in: Rebuild.
 447
 448 2011-07-07  Cary Coutant  <ccoutant@google.com>
 449
 450         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 451         (two_file_test_1_ndebug.o): Likewise.
 452         (two_file_test_1b_ndebug.o): Likewise.
 453         (two_file_test_2_ndebug.o): Likewise.
 454         (two_file_test_main_ndebug.o): Likewise.
 455         (incremental_test_2): Link with no-debug versions.
 456
 457 2011-07-06  Cary Coutant  <ccoutant@google.com>
 458
 459         * gold/incremental.cc
 460         (Output_section_incremental_inputs::write_info_blocks): Check for
 461         hidden and internal symbols.
 462
 463 2011-07-06  Cary Coutant  <ccoutant@google.com>
 464
 465         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 466         Check disposition for startup file.
 467         (Incremental_inputs::report_command_line): Ignore
 468         --incremental-startup-unchanged option.
 469         * options.cc (General_options::parse_incremental_startup_unchanged):
 470         New function.
 471         (General_options::General_options): Initialize new data member.
 472         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 473         (General_options): Add --incremental-startup-unchanged option.
 474         (General_options::incremental_startup_disposition): New function.
 475         (General_options::incremental_startup_disposition_): New data member.
 476
 477 2011-07-06  Cary Coutant  <ccoutant@google.com>
 478
 479         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 480         input file index to Script_info ctor.
 481         (Sized_incremental_binary::do_file_has_changed): Find the
 482         command-line argument for files named in scripts.
 483         * incremental.h (Script_info::Script_info): New ctor
 484         with input file index.
 485         (Script_info::input_file_index): New function.
 486         (Script_info::input_file_index_): New data member.
 487         (Incremental_binary::get_library): Add const.
 488         (Incremental_binary::get_script_info): Add const.
 489         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 490         * testsuite/Makefile.am (incremental_test_5): New test case.
 491         (incremental_test_6): New test case.
 492         * testsuite/Makefile.in: Regenerate.
 493
 494 2011-07-06  Cary Coutant  <ccoutant@google.com>
 495
 496         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 497         debug output when command lines differ.
 498
 499 2011-07-06  Cary Coutant  <ccoutant@google.com>
 500
 501         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 502         --incremental-patch option.
 503         * layout.cc (Free_list::allocate): Extend allocation beyond original
 504         end if enabled.
 505         (Layout::make_output_section): Mark sections that should get
 506         patch space.
 507         * options.cc (parse_percent): New function.
 508         * options.h (parse_percent): New function.
 509         (DEFINE_percent): New macro.
 510         (General_options): Add --incremental-patch option.
 511         * output.cc (Output_section::Output_section): Initialize new data
 512         members.
 513         (Output_section::add_input_section): Print section name when out
 514         of patch space.
 515         (Output_section::add_output_section_data): Likewise.
 516         (Output_section::set_final_data_size): Add patch space when
 517         doing --incremental-full.
 518         (Output_section::do_reset_address_and_file_offset): Remove patch
 519         space.
 520         (Output_segment::set_section_list_addresses): Print debug output
 521         only if --incremental-update.
 522         * output.h (Output_section::set_is_patch_space_allowed): New function.
 523         (Output_section::is_patch_space_allowed_): New data member.
 524         (Output_section::patch_space_): New data member.
 525         * parameters.cc (Parameters::incremental_full): New function.
 526         * parameters.h (Parameters::incremental_full): New function
 527         * testsuite/Makefile.am (incremental_test_2): Add test for
 528         --incremental-patch option.
 529         * testsuite/Makefile.in: Regenerate.
 530         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 531         (t18): Remove function body.
 532
 533 2011-07-05  Doug Kwan  <dougkwan@google.com>
 534
 535         PR gold/12771
 536         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 537         Arm_Address type for relocation result.
 538         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 539         overflow check.
 540         (Arm_relocate_functions::abs32): Use unaligned access.
 541         (Arm_relocate_functions::rel32): Ditto.
 542         (Arm_relocate_functions::prel31): Ditto.
 543         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 544         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 545         static data relocations.
 546         * testsuite/Makefile.in: Regnerate.
 547         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 548
 549 2011-07-05  Ian Lance Taylor  <iant@google.com>
 550
 551         PR gold/12392
 552         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 553         symbols if necessary.
 554         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 555
 556 2011-07-05  Ian Lance Taylor  <iant@google.com>
 557
 558         PR gold/12952
 559         * resolve.cc (Symbol::override_base_with_special): Simply override
 560         version with special symbol version, ignoring previous version.
 561
 562 2011-07-05  Ian Lance Taylor  <iant@google.com>
 563
 564         * object.cc (Sized_relobj_file::include_section_group): Add
 565         information to comment about signature location.
 566
 567 2011-07-02  Ian Lance Taylor  <iant@google.com>
 568
 569         PR gold/12957
 570         * options.h (class General_options): Add -f and -F.
 571         * options.cc (General_options::finalize): Fatal error if -f/-F
 572         are used without -shared.
 573         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 574
 575 2011-07-02  Ian Lance Taylor  <iant@google.com>
 576
 577         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 578
 579 2011-07-01  Ian Lance Taylor  <iant@google.com>
 580
 581         PR gold/12525
 582         PR gold/12952
 583         * resolve.cc (Symbol::override_base_with_special): Don't override
 584         the version if the overriding symbol has a different name.
 585         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 586         all callers.  If we give an error about an undefined version,
 587         define the base version if necessary.
 588         * dynobj.h (class Versions): Update declaration.
 589         * testsuite/weak_alias_test_5.cc: New file.
 590         * testsuite/weak_alias_test.script: New file.
 591         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 592         and versioned_alias have the right value, and call t2.
 593         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 594         weak_alias_test_5.so.
 595         (weak_alias_test_LDADD): Likewise.
 596         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 597         * testsuite/Makefile.in: Rebuild.
 598
 599 2011-07-01  Ian Lance Taylor  <iant@google.com>
 600
 601         PR gold/12525
 602         * options.h (class General_options): Support -z notext.
 603         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 604         -Wl,-z,notext.
 605         (two_file_shared_nonpic.so): Likewise.
 606         (two_file_shared_mixed.so): Likewise.
 607         (two_file_shared_mixed_1.so): Likewise.
 608         (weak_undef_lib_nonpic.so): Likewise.
 609         (alt/weak_undef_lib_nonpic.so): Likewise.
 610         (tls_test_shared_nonpic.so): Likewise.
 611         * testsuite/Makefile.in: Rebuild.
 612
 613 2011-07-01  Ian Lance Taylor  <iant@google.com>
 614
 615         PR gold/12525
 616         * configure.ac: Test whether static linking works, setting
 617         the automake conditional HAVE_STATIC.
 618         * testsuite/Makefile.am: Disable tests using -static if
 619         HAVE_STATIC is not true.
 620         * configure, testsuite/Makefile.in: Rebuild.
 621
 622 2011-07-01  Ian Lance Taylor  <iant@google.com>
 623
 624         PR gold/12525
 625         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 626         Assert if we see DW_EH_PE_indirect.
 627         * target.h (Target::ehframe_datarel_base): New function.
 628         (Target::do_ehframe_datarel_base): New target function.
 629         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 630         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 631         function.
 632
 633 2011-07-01  Ian Lance Taylor  <iant@google.com>
 634
 635         PR gold/12571
 636         * options.h (class General_options): Add
 637         --ld-generated-unwind-info.
 638         * ehframe.cc (Fde::write): Add address parameter.  Change all
 639         callers.  If associated with PLT, fill in address and size.
 640         (Cie::set_output_offset): Only add merge mapping if there is an
 641         object.
 642         (Cie::write): Add address parameter.  Change all callers.
 643         (Eh_frame::add_ehframe_for_plt): New function.
 644         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 645         input_offset_ fields into union u_, with new plt field.
 646         (Fde::Fde): Adjust for new union field.
 647         (Fde::Fde) [Output_data version]: New constructor.
 648         (Fde::add_mapping): Only add merge mapping if there is an object.
 649         (class Cie): Update declarations.
 650         (class Eh_frame): Declare add_ehframe_for_plt.
 651         * layout.cc (Layout::layout_eh_frame): Break out code into
 652         make_eh_frame_section, and call it.
 653         (Layout::make_eh_frame_section): New function.
 654         (Layout::add_eh_frame_for_plt): New function.
 655         * layout.h (class Layout): Update declarations.
 656         * merge.cc (Merge_map::add_mapping): Add assertion.
 657         * i386.cc: Include "dwarf.h".
 658         (class Output_data_plt_i386): Make first_plt_entry,
 659         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 660         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 661         and plt_eh_frame_fde.
 662         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 663         boundary.  Call add_eh_frame_for_plt if appropriate.
 664         * x86_64.cc: Include "dwarf.h".
 665         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 666         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 667         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 668         and plt_eh_frame_fde.
 669         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 670         appropriate.
 671
 672 2011-06-29  Ian Lance Taylor  <iant@google.com>
 673
 674         PR gold/12629
 675         * object.cc (Sized_relobj_file::layout_section): Change shdr
 676         parameter to be const.
 677         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 678         out of do_layout.
 679         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 680         appropriate.  Call layout_eh_frame_section.
 681         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 682         sections.
 683         * object.h (class Sized_relobj_file): Update declarations.
 684
 685 2011-06-29  Ian Lance Taylor  <iant@google.com>
 686
 687         PR gold/12652
 688         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 689         modifier.
 690         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 691
 692 2011-06-29  Ian Lance Taylor  <iant@google.com>
 693
 694         PR gold/12675
 695         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 696         SHT_X86_64_UNWIND.
 697         * layout.cc (Layout::layout_eh_frame): Likewise.
 698
 699 2011-06-29  Ian Lance Taylor  <iant@google.com>
 700
 701         PR gold/12695
 702         * layout.cc (Layout::symtab_section_shndx): New function.
 703         * layout.h (class Layout): Declare symtab_section_shndx.
 704         * output.cc (Output_section::write_header): Call it.
 705
 706 2011-06-29  Ian Lance Taylor  <iant@google.com>
 707
 708         PR gold/12818
 709         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 710         symbols which are not used in a relocation.
 711
 712 2011-06-28  Ian Lance Taylor  <iant@google.com>
 713
 714         PR gold/12898
 715         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 716         script create indistinguishable segments.
 717         (Layout::set_segment_offsets): Use stable_sort when sorting
 718         segments.  Pass this to Compare_segments constructor.
 719         * layout.h (class Layout): Make segment_precedes non-static.
 720         (class Compare_segments): Change from struct to class.  Add
 721         layout_ field.  Add constructor.
 722         * script-sections.cc
 723         (Script_sections::attach_sections_using_phdrs_clause): Rename
 724         local orphan to is_orphan.  Don't report failure to put empty
 725         section in segment.  On attachment failure, report name of
 726         section, and attach to first PT_LOAD segment.
 727
 728 2011-06-28  Ian Lance Taylor  <iant@google.com>
 729
 730         PR gold/12934
 731         * target-select.cc (Target_selector::Target_selector): Add
 732         emulation parameter.  Change all callers.
 733         (select_target_by_bfd_name): Rename from select_target_by_name.
 734         Change all callers.
 735         (select_target_by_emulation): New function.
 736         (supported_emulation_names): New function.
 737         * target-select.h (class Target_selector): Add emulation_ field.
 738         Update declarations.
 739         (Target_selector::recognize_by_bfd_name): Rename from
 740         recognize_by_name.  Change all callers.
 741         (Target_selector::supported_bfd_names): Rename from
 742         supported_names.  Change all callers.
 743         (Target_selector::recognize_by_emulation): New function.
 744         (Target_selector::supported_emulations): New function.
 745         (Target_selector::emulation): New function.
 746         (Target_selector::do_recognize_by_bfd_name): Rename from
 747         do_recognize_by_name.  Change all callers.
 748         (Target_selector::do_supported_bfd_names): Rename from
 749         do_supported_names.  Change all callers.
 750         (Target_selector::do_recognize_by_emulation): New function.
 751         (Target_selector::do_supported_emulations): New function.
 752         (select_target_by_bfd_name): Change name in declaration.
 753         (select_target_by_emulation): Declare.
 754         (supported_emulation_names): Declare.
 755         * parameters.cc (parameters_force_valid_target): Try to find
 756         target based on emulation from -m option.
 757         * options.h (class General_options): Change doc string for -m.
 758         * options.cc (help): Print emulations.
 759         (General_options::parse_V): Likewise.
 760         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 761         Add emulation parameter.  Change all callers.
 762
 763 2011-06-28  Ian Lance Taylor  <iant@google.com>
 764
 765         * target.h (class Target): Add osabi_ field.
 766         (Target::osabi): New function.
 767         (Target::set_osabi): New function.
 768         (Target::Target): Initialize osabi_.
 769         (Target::do_adjust_elf_header): Make pure virtual.
 770         (Sized_target::do_adjust_elf_header): Declare.
 771         * target.cc (Sized_target::do_adjust_elf_header): New function.
 772         (class Sized_target): Instantiate all versions.
 773         * freebsd.h (class Target_freebsd): Remove.
 774         (Target_selector_freebsd::do_recognize): Call set_osabi on
 775         Target.
 776         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 777         (Target_selector_freebsd::set_osabi): Remove.
 778         * i386.cc (class Target_i386): Inherit from Sized_target rather
 779         than Target_freebsd.
 780         * x86_64.cc (class Target_x86_64): Likewise.
 781
 782 2011-06-28  Ian Lance Taylor  <iant@google.com>
 783
 784         * target.h (Target::can_check_for_function_pointers): Rewrite.
 785         Make non-virtual.
 786         (Target::can_icf_inline_merge_sections): Likewise.
 787         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 788         (Target::Target_info): Add can_icf_inline_merge_sections field.
 789         (Target::do_can_check_for_function_pointers): New virtual
 790         function.
 791         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 792         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 793         from can_check_for_function_pointers, move in file.
 794         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 795         section_may_have_icf_unsafe_poineters, move in file.
 796         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 797         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 798         Rename from can_check_for_function_pointers, move in file.
 799         (Target_i386::can_icf_inline_merge_sections): Remove.
 800         (Target_i386::i386_info): Initialize
 801         can_icf_inline_merge_sections.
 802         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 803         Initialize can_icf_inline_merge_sections.
 804         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 805         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 806         Rename from can_check_for_function_pointers, move in file.
 807         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 808         (Target_x86_64::x86_64_info): Initialize
 809         can_icf_inline_merge_sections.
 810         * testsuite/testfile.cc (Target_test::test_target_info):
 811         Likewise.
 812         * icf.cc (get_section_contents): Correct formatting.
 813
 814 2011-06-27  Ian Lance Taylor  <iant@google.com>
 815
 816         * symtab.cc (Symbol::versioned_name): New function.
 817         (Symbol_table::add_to_final_symtab): Use versioned_name when
 818         appropriate.
 819         (Symbol_table::sized_write_symbol): Likewise.
 820         * symtab.h (class Symbol): Declare versioned_name.
 821         * stringpool.h (class Stringpool_template): Add variant of add
 822         which takes a std::basic_string.
 823         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 824         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 825         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 826         (ver_test_12.o): New target.
 827         * testsuite/Makefile.in: Rebuild.
 828
 829 2011-06-27  Doug Kwan  <dougkwan@google.com>
 830
 831         * arm.cc (Arm_relocate_functions::thm_jump8,
 832         Arm_relocate_functions::thm_jump11): Use a wider signed
 833         type to compute offset.
 834         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 835         arm_thm_jump8.
 836         * testsuite/Makefile.in: Regenerate.
 837         * testsuite/arm_branch_in_range.sh: Check test results of
 838         arm_thm_jump11 and arm_thm_jump8.
 839         * testsuite/arm_thm_jump11.s: New test source file.
 840         * testsuite/arm_thm_jump11.t: New linker script.
 841         * testsuite/arm_thm_jump8.s: New test source file.
 842         * testsuite/arm_thm_jump8.t: New linker script.
 843
 844 2011-06-24  Ian Lance Taylor  <iant@google.com>
 845
 846         * layout.cc: Include "object.h".
 847         (ctors_sections_in_init_array): New static variable.
 848         (Layout::is_ctors_in_init_array): New function.
 849         (Layout::layout): Add entry to ctors_sections_in_init_array if
 850         appropriate.
 851         * layout.h (class Layout): Declare is_ctors_in_init_array.
 852         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 853         is_ctors_reverse_view is set.
 854         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 855         all callers.  Set is_ctors_reverse_view field of View_size.
 856         (Sized_relobj_file::reverse_words): New function.
 857         * object.h (Sized_relobj_file::View_size): Add
 858         is_ctors_reverse_view field.
 859         (class Sized_relobj_file): Update declarations.
 860         * testsuite/initpri3.c: New test.
 861         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 862         initpri3b.
 863         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 864         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 865         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 866         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 867         * testsuite/Makefile.in: Rebuild.
 868
 869 2011-06-24  Cary Coutant  <ccoutant@google.com>
 870
 871         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 872         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 873         (debug_msg_cdebug.err): New targets.
 874         * testsuite/Makefile.in: Regenerate.
 875         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 876         Fix checks for link with shared library.
 877
 878 2011-06-24  Doug Kwan  <dougkwan@google.com>
 879
 880         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 881         skip empty text sections.
 882         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 883
 884 2011-06-22  Ian Lance Taylor  <iant@google.com>
 885
 886         PR gold/12910
 887         * options.h (class General_options): Add --ctors-in-init-array.
 888         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 889         friends as SHT_PROGBITS for merging sections.
 890         (Layout::layout): Remove special handling of .init_array and
 891         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 892         and .dtors if ctors_in_init_array.
 893         (Layout::make_output_section): Force correct section types for
 894         .init_array and friends.  Don't sort if doing relocatable link,
 895         Don't sort .ctors and .dtors if ctors_in_init_array.
 896         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 897         (Layout::output_section_name): Add relobj parameter.  Change all
 898         callers.  Handle .ctors. and .dtors. in code rather than table.
 899         Handle .ctors and .dtors if ctors_in_init_array.
 900         (Layout::match_file_name): New function, moved from output.cc.
 901         * layout.h (class Layout): Update declarations.
 902         * output.cc: Include "layout.h".
 903         (Input_section_sort_entry::get_priority): New function.
 904         (Input_section_sort_entry::match_file_name): Just call
 905         Layout::match_file_name.
 906         (Output_section::Input_section_sort_init_fini_compare::operator()):
 907         Handle .ctors and .dtors.  Sort by explicit priority rather than
 908         by name.
 909         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 910         * testsuite/initpri2.c: New test.
 911         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 912         (check_PROGRAMS): Add initpri2.
 913         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 914         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 915         * configure, testsuite/Makefile.in: Rebuild.
 916
 917 2011-06-19  Ian Lance Taylor  <iant@google.com>
 918
 919         PR gold/12880
 920         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 921         .interp section to a PT_INTERP segment even if we have seen a
 922         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 923         clause in a linker script.
 924         (Layout::finalize): Don't create a .interp section if we've
 925         already create a PT_INTERP segment.
 926         (Layout::create_interp): Always call choose_output_section (revert
 927         patch of 2011-06-17).  Don't create PT_INTERP segment.
 928         * script-sections.cc
 929         (Script_sections::create_note_and_tls_segments): Add a .interp
 930         section to a PT_INTERP segment even if we have seen a
 931         --dynamic-linker option.
 932
 933 2011-06-18  Ian Lance Taylor  <iant@google.com>
 934
 935         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 936         merely because a non-PT_LOAD segment has a dynamic reloc.
 937
 938 2011-06-18  Ian Lance Taylor  <iant@google.com>
 939
 940         * layout.cc (Layout::finish_dynamic_section): Don't create
 941         DT_FLAGS entry if not needed.
 942
 943 2011-06-18  Ian Lance Taylor  <iant@google.com>
 944
 945         PR gold/12745
 946         * layout.cc (Layout::layout_eh_frame): Correct handling of
 947         writable .eh_frame section.
 948
 949 2011-06-17  Ian Lance Taylor  <iant@google.com>
 950
 951         PR gold/12893
 952         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 953         symbol is redefined with the exact same object and value.
 954
 955 2011-06-17  Ian Lance Taylor  <iant@google.com>
 956
 957         PR gold/12880
 958         * layout.h (class Layout): Add interp_segment_ field.
 959         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 960         (Layout::attach_allocated_section_to_segment): If making shared
 961         library, put .interp section in PT_INTERP segment.
 962         (Layout::finalize): Also call create_interp if -dynamic-linker
 963         option was used.
 964         (Layout::create_interp): Assert that there is no PT_INTERP
 965         segment.  If not using a SECTIONS clause, use make_output_section.
 966         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 967         * script-sections.cc
 968         (Script_sections::create_note_and_tls_segments): If making shared
 969         library, put .interp section in PT_INTERP segment.
 970
 971 2011-06-17  Ian Lance Taylor  <iant@google.com>
 972
 973         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 974         when making a shared library.
 975
 976 2011-06-17  Ian Lance Taylor  <iant@google.com>
 977
 978         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 979         parameter.  Change all callers.  Don't issue warning about PC32
 980         against locally defined symbol.
 981
 982 2011-06-16  Ian Lance Taylor  <iant@google.com>
 983
 984         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 985         occurs in same object.
 986
 987 2011-06-14  Alan Modra  <amodra@gmail.com>
 988
 989         * po/POTFILES.in: Regenerate.
 990
 991 2011-06-09  Ian Lance Taylor  <iant@google.com>
 992
 993         * script-sections.cc
 994         (Orphan_output_section::set_section_addresses): For a relocatable
 995         link set address to 0.
 996
 997 2011-06-09  Cary Coutant  <ccoutant@google.com>
 998
 999         PR gold/12804
1000         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1001         used with --compress-debug-sections.
1002         * gold/object.cc (Sized_relobj_file::do_layout): Report
1003         uncompressed size of compressed input sections.
1004
1005 2011-06-08  Cary Coutant  <ccoutant@google.com>
1006
1007         PR gold/12804
1008         * testsuite/two_file_test_2_v1.cc: Change initialization of
1009         v2 to keep it in .data.
1010
1011 2011-06-07  Cary Coutant  <ccoutant@google.com>
1012
1013         * common.cc (Symbol_table::do_allocate_commons_list): Call
1014         gold_fallback.
1015         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1016         (Errors::fallback): New function.
1017         (gold_fallback): New function.
1018         * errors.h (Errors::fallback): New function.
1019         * gold.cc (gold_exit): Change status parameter to enum; adjust
1020         all callers.
1021         (queue_initial_tasks): Call gold_fallback.
1022         * gold.h: Include cstdlib.
1023         (Exit_status): New enum type.
1024         (gold_exit): Change status parameter to enum.
1025         (gold_fallback): New function.
1026         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1027         (Layout::create_symtab_sections): Likewise.
1028         (Layout::create_shdrs): Likewise.
1029         * main.cc (main): Adjust call to gold_exit.
1030         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1031         (Output_data_got::add_got_entry_pair): Likewise.
1032         (Output_section::add_input_section): Likewise.
1033         (Output_section::add_output_section_data): Likewise.
1034         (Output_segment::set_section_list_addresses): Likewise.
1035         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1036
1037 2011-06-07  Cary Coutant  <ccoutant@google.com>
1038
1039         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1040         for incremental links.
1041         * output.cc (Output_segment::set_section_list_addresses): Remove
1042         FIXME and test for TLS or BSS.
1043
1044 2011-06-07  Cary Coutant  <ccoutant@google.com>
1045
1046         * testsuite/Makefile.am: Add incremental_copy_test,
1047         incremental_common_test_1.
1048         * testsuite/Makefile.in: Regenerate.
1049         * testsuite/common_test_1_v1.c: New source file.
1050         * testsuite/common_test_1_v2.c: New source file.
1051         * testsuite/copy_test_v1.cc: New source file.
1052
1053 2011-06-07  Cary Coutant  <ccoutant@google.com>
1054
1055         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1056         update, allocate common from bss section's free list.
1057         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1058         linker-defined symbols.
1059         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1060         Skip GOT and PLT entries that are no longer referenced.
1061         (Output_section_incremental_inputs::write_info_blocks): Mark
1062         linker-defined symbols.
1063         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1064         * output.cc (Output_section::allocate): New function.
1065         * output.h (Output_section::allocate): New function.
1066         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1067         linker-defined symbols.
1068         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1069         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1070         (Symbol::init_base_output_data): Likewise.
1071         (Symbol::init_base_output_segment): Likewise.
1072         (Symbol::init_base_constant): Likewise.
1073         (Sized_symbol::init_output_data): Likewise.
1074         (Sized_symbol::init_output_segment): Likewise.
1075         (Sized_symbol::init_constant): Likewise.
1076         (Symbol_table::do_define_in_output_data): Likewise.
1077         (Symbol_table::do_define_in_output_segment): Likewise.
1078         (Symbol_table::do_define_as_constant): Likewise.
1079         * symtab.h (Symbol::is_predefined): New function.
1080         (Symbol::init_base_output_data): Add is_predefined parameter.
1081         (Symbol::init_base_output_segment): Likewise.
1082         (Symbol::init_base_constant): Likewise.
1083         (Symbol::is_predefined_): New data member.
1084         (Sized_symbol::init_output_data): Add is_predefined parameter.
1085         (Sized_symbol::init_output_segment): Likewise.
1086         (Sized_symbol::init_constant): Likewise.
1087         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1088
1089 2011-06-07  Cary Coutant  <ccoutant@google.com>
1090
1091         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1092         instead of emit_copy_reloc.
1093         (Copy_relocs::emit_copy_reloc): Refactor.
1094         (Copy_relocs::make_copy_reloc): New function.
1095         (Copy_relocs::add_copy_reloc): Remove.
1096         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1097         section.
1098         (Copy_relocs::make_copy_reloc): New function.
1099         (Copy_relocs::add_copy_reloc): Remove.
1100         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1101         unchanged input files.
1102         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1103         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1104         Reserve BSS space for COPY relocations.
1105         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1106         (Output_section_incremental_inputs::write_info_blocks): Record
1107         whether a symbol is copied from a shared object.
1108         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1109         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1110         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1111         (Incremental_input_entry_reader::get_output_symbol_index): Add
1112         is_copy parameter.
1113         (Incremental_binary::emit_copy_relocs): New function.
1114         (Incremental_binary::do_emit_copy_relocs): New function.
1115         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1116         new data member.
1117         (Sized_incremental_binary::add_copy_reloc): New function.
1118         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1119         (Sized_incremental_binary::Copy_reloc): New struct.
1120         (Sized_incremental_binary::Copy_relocs): New typedef.
1121         (Sized_incremental_binary::copy_relocs_): New data member.
1122         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1123         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1124         * target.h (Sized_target::emit_copy_reloc): New function.
1125         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1126
1127 2011-06-02  Cary Coutant  <ccoutant@google.com>
1128
1129         PR gold/12163
1130         * gold/archive.cc (Archive::Archive): Initialize new data member.
1131         (Archive::include_all_members): Return if archive has already been
1132         included.
1133         * gold/archive.h (Archive::include_all_members_): New data member.
1134
1135 2011-06-02  Nick Clifton  <nickc@redhat.com>
1136
1137         * dynobj.h: Fix spelling mistake in comment.
1138         * output.cc: Likewise.
1139
1140 2011-05-31  Doug Kwan  <dougkwan@google.com>
1141             Asier Llano
1142
1143         PR gold/12826
1144         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1145         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1146         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1147         redundant arm_exidx_test.so.
1148         * testsuite/Makefile.in: Regenerate.
1149         (check_SCRIPTS): Add pr12826.sh
1150         (check_DATA): Add pr12826.stdout
1151         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1152         * testsuite/pr12826.sh: New file.
1153         * testsuite/pr12826_1.s: Ditto.
1154         * testsuite/pr12826_1.s: Ditto.
1155
1156 2011-05-30  Ian Lance Taylor  <iant@google.com>
1157
1158         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1159         sections.
1160
1161 2011-05-29  Ian Lance Taylor  <iant@google.com>
1162
1163         PR gold/12804
1164         * testsuite/Makefile.am: Use different file name for two_file_test
1165         temporary file for each incremental test.
1166         * testsuite/Makefile.in: Rebuild.
1167
1168 2011-05-29  Ian Lance Taylor  <iant@google.com>
1169
1170         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1171         binary input file is empty.
1172
1173 2011-05-27  Ian Lance Taylor  <iant@google.com>
1174
1175         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1176         (ver_test_9.so): Likewise.
1177         * testsuite/Makefile.in: Rebuild.
1178
1179 2011-05-26 Cary Coutant  <ccoutant@google.com>
1180
1181         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1182         * incremental.cc (Incremental_inputs::report_input_section): Fix
1183         comment, indentation.
1184         (Incremental_inputs::report_comdat_group): New function.
1185         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1186         of data for incremental input file entry.
1187         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1188         group count, COMDAT group signatures.
1189         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1190         an unchanged input file.
1191         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1192         Initialize new data member.
1193         (Incremental_object_entry::add_comdat_group): New function.
1194         (Incremental_object_entry::get_comdat_group_count): New function.
1195         (Incremental_object_entry::get_comdat_signature_key): New function.
1196         (Incremental_object_entry::groups_): New data member.
1197         (Incremental_inputs::report_comdat_group): New function.
1198         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1199         data for incremental input file entry.
1200         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1201         (Incremental_input_entry_reader::get_input_section): Adjust size of
1202         data for incremental input file entry.
1203         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1204         (Incremental_input_entry_reader::get_comdat_group_signature): New
1205         function.
1206         * object.cc (Sized_relobj::include_section_group): Report kept
1207         COMDAT groups for incremental links.
1208
1209 2011-05-24  David Meyer  <pdox@google.com>
1210
1211         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1212         with name parameter.  Add found_name parameter.
1213         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1214         * dirsearch.h (class Dirsearch): Update declaration.
1215
1216 2011-05-24  Ian Lance Taylor  <iant@google.com>
1217
1218         * archive.cc (Library_base::should_include_member): Pull in object
1219         from archive if it defines the entry symbol.
1220         * parameters.cc (Parameters::entry): New function.
1221         * parameters.h (class Parameters): Declare entry.
1222         * output.h (class Output_file_header): Remove entry_ field.
1223         * output.cc (Output_file_header::Output_file_header): Remove entry
1224         parameter.  Change all callers.
1225         (Output_file_header::entry): Use parameters->entry.
1226         * gold.cc (queue_middle_tasks): Likewise.
1227         * plugin.cc (Plugin_hook::run): Likewise.
1228
1229 2011-05-24 Cary Coutant  <ccoutant@google.com>
1230
1231         * gold.cc (queue_initial_tasks): Pass incremental base filename
1232         to Output_file::open_base_file; don't print error message.
1233         * incremental-dump.cc (main): Adjust call to
1234         Output_file::open_for_modification.
1235         * incremental-dump.cc (main): Likewise.
1236         * incremental.cc (Incremental_inputs::report_command_line):
1237         Ignore --incremental-base option when comparing command lines.
1238         Ignore parameter when given as separate argument.
1239         * options.h (class General_options): Add --incremental-base.
1240         * output.cc (Output_file::Output_file):
1241         (Output_file::open_base_file): Add base_name and writable parameters;
1242         read base file into new file; print error message here.
1243         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1244         callers.
1245         * output.h (Output_file::open_for_modification): Rename to...
1246         (Output_file::open_base_file): ...this; add base_name and
1247         writable parameters; adjust all callers.
1248         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1249         callers.
1250         * testsuite/Makefile.am (incremental_test_4): Test
1251         --incremental-base.
1252         * testsuite/Makefile.in: Regenerate.
1253
1254 2011-05-24 Cary Coutant  <ccoutant@google.com>
1255
1256         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1257         incremental_test_4.
1258         * testsuite/Makefile.in: Regenerate.
1259         * testsuite/two_file_test_1_v1.cc: New test source file.
1260         * testsuite/two_file_test_1b_v1.cc: New test source file.
1261         * testsuite/two_file_test_2_v1.cc: New test source file.
1262
1263 2011-05-24 Cary Coutant  <ccoutant@google.com>
1264
1265         * dynobj.h (Dynobj::do_dynobj): New function.
1266         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1267         flag and soname for shared objects.
1268         * incremental.cc (Incremental_inputs::report_object): Make
1269         either Incremental_object_entry or Incremental_dynobj_entry; add
1270         soname to string table.
1271         (Incremental_inputs::report_input_section): Add assertion.
1272         (Output_section_incremental_inputs::set_final_data_size): Adjust
1273         type of input file entry for shared libraries; adjust size of
1274         shared library info entry.
1275         (Output_section_incremental_inputs::write_input_files): Write
1276         as_needed flag for shared libraries.
1277         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1278         of input file entry for shared libraries; write soname.
1279         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1280         soname from incremental info.
1281         * incremental.h (enum Incremental_input_flags): Add
1282         INCREMENTAL_INPUT_AS_NEEDED.
1283         (Incremental_input_entry::Incremental_input_entry): Initialize new
1284         data member.
1285         (Incremental_input_entry::set_as_needed): New function.
1286         (Incremental_input_entry::as_needed): New function.
1287         (Incremental_input_entry::do_dynobj_entry): New function.
1288         (Incremental_input_entry::as_needed_): New data member.
1289         (Incremental_object_entry::Incremental_object_entry): Don't check
1290         for shared library.
1291         (Incremental_object_entry::do_type): Likewise.
1292         (class Incremental_dynobj_entry): New class.
1293         (Incremental_input_entry_reader::as_needed): New function.
1294         (Incremental_input_entry_reader::get_soname): New function.
1295         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1296         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1297         size of shared library info entry.
1298         * layout.cc (Layout::finish_dynamic_section): Don't test for
1299         incremental link when adding DT_NEEDED entries.
1300         * object.h (Object::Object): Initialize new data member.
1301         (Object::dynobj): New function.
1302         (Object::set_as_needed): New function.
1303         (Object::as_needed): New function.
1304         (Object::do_dynobj): New function.
1305         (Object::as_needed_): New data member.
1306
1307 2011-05-24 Cary Coutant  <ccoutant@google.com>
1308
1309         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1310         info; adjust display of GOT entries.
1311         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1312         vector of input objects; remove file_status_.
1313         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1314         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1315         got_plt reader; call target hooks to reserve GOT entries.
1316         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1317         of input file info header and GOT info entry.
1318         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1319         relocation info.
1320         (Got_plt_view_info::got_descriptor): Remove.
1321         (Got_plt_view_info::sym_index): New data member.
1322         (Got_plt_view_info::input_index): New data member.
1323         (Local_got_offset_visitor::visit): Write input file index.
1324         (Global_got_offset_visitor::visit): Write 0 for input file index.
1325         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1326         with sym_index and input_index.
1327         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1328         incremental info GOT entry; replace got_descriptor with input_index.
1329         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1330         map from input file index to object.
1331         (Sized_relobj_incr::do_layout): Replace direct data member reference
1332         with accessor function.
1333         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1334         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1335         Adjust size of input file info header.
1336         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1337         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1338         (Incremental_input_entry_reader::get_input_section): Adjust size of
1339         input file info header.
1340         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1341         of incremental info GOT entry.
1342         (Incremental_got_plt_reader::get_got_desc): Remove.
1343         (Incremental_got_plt_reader::get_got_symndx): New function.
1344         (Incremental_got_plt_reader::get_got_input_index): New function.
1345         (Sized_incremental_binary::Sized_incremental_binary): Remove
1346         file_status_; add input_objects_.
1347         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1348         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1349         (Sized_incremental_binary::file_is_unchanged): Remove.
1350         (Sized_incremental_binary::set_input_object): New function.
1351         (Sized_incremental_binary::input_object): New function.
1352         (Sized_incremental_binary::file_status_): Remove.
1353         (Sized_incremental_binary::input_objects_): New data member.
1354         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1355         references.
1356         (Sized_relobj_incr::invalid_address): Move to base class.
1357         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1358         class.
1359         (Sized_relobj_incr::do_output_section_offset): Likewise.
1360         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1361         (Sized_relobj_incr::section_offsets_): Likewise.
1362         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1363         function.
1364         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1365         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1366         with accessor function.
1367         (Sized_relobj_file::do_layout): Likewise.
1368         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1369         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1370         (Sized_relobj_file::compute_final_local_value): Replace refs to
1371         section_offsets_ with accessor function.
1372         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1373         * object.h (Relobj::Relobj): Initialize new data members.
1374         (Relobj::add_dyn_reloc): New function.
1375         (Relobj::first_dyn_reloc): New function.
1376         (Relobj::dyn_reloc_count): New function.
1377         (Relobj::first_dyn_reloc_): New data member.
1378         (Relobj::dyn_reloc_count_): New data member.
1379         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1380         references.
1381         (Sized_relobj::Address): New typedef.
1382         (Sized_relobj::invalid_address): Move here from child class.
1383         (Sized_relobj::Sized_relobj): Initialize new data members.
1384         (Sized_relobj::sized_relobj): New function.
1385         (Sized_relobj::is_output_section_offset_invalid): Move here from
1386         child class.
1387         (Sized_relobj::get_output_section_offset): Likewise.
1388         (Sized_relobj::local_has_got_offset): Likewise.
1389         (Sized_relobj::local_got_offset): Likewise.
1390         (Sized_relobj::set_local_got_offset): Likewise.
1391         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1392         (Sized_relobj::clear_got_offsets): New function.
1393         (Sized_relobj::section_offsets): Move here from child class.
1394         (Sized_relobj::do_output_section_offset): Likewise.
1395         (Sized_relobj::do_set_section_offset): Likewise.
1396         (Sized_relobj::Local_got_offsets): Likewise.
1397         (Sized_relobj::local_got_offsets_): Likewise.
1398         (Sized_relobj::section_offsets_): Likewise.
1399         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1400         references.
1401         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1402         class.
1403         (Sized_relobj_file::sized_relobj): New function
1404         (Sized_relobj_file::local_has_got_offset): Move to base class.
1405         (Sized_relobj_file::local_got_offset): Likewise.
1406         (Sized_relobj_file::set_local_got_offset): Likewise.
1407         (Sized_relobj_file::get_output_section_offset): Likewise.
1408         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1409         (Sized_relobj_file::do_output_section_offset): Likewise.
1410         (Sized_relobj_file::do_set_section_offset): Likewise.
1411         (Sized_relobj_file::Local_got_offsets): Likewise.
1412         (Sized_relobj_file::local_got_offsets_): Likewise.
1413         (Sized_relobj_file::section_offsets_): Likewise.
1414         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1415         (all constructors).
1416         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1417         (Output_reloc::get_symbol_index): Likewise.
1418         (Output_reloc::local_section_offset): Likewise.
1419         (Output_reloc::get_address): Likewise.
1420         (Output_reloc::symbol_value): Likewise.
1421         (Output_data_got::reserve_slot): Move to class definition.
1422         (Output_data_got::reserve_local): New function.
1423         (Output_data_got::reserve_slot_for_global): Remove.
1424         (Output_data_got::reserve_global): New function.
1425         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1426         (all constructors, two instantiations).
1427         (Output_reloc::get_relobj): New function (two instantiations).
1428         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1429         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1430         (Output_data_reloc::add_global): Adjust type of relobj.
1431         (Output_data_reloc::add_global_relative): Likewise.
1432         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1433         (Output_data_reloc::add_local): Likewise.
1434         (Output_data_reloc::add_local_relative): Likewise.
1435         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1436         (Output_data_reloc::add_local_section): Likewise.
1437         (Output_data_reloc::add_output_section): Likewise.
1438         (Output_data_reloc::add_absolute): Likewise.
1439         (Output_data_reloc::add_target_specific): Likewise.
1440         (Output_data_got::reserve_slot): Move definition here.
1441         (Output_data_got::reserve_local): New function.
1442         (Output_data_got::reserve_global): New function.
1443         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1444         section_offsets_ with accessor function.
1445         (Sized_relobj_file::write_sections): Likewise.
1446         (Sized_relobj_file::do_relocate_sections): Likewise.
1447         * target.h (Sized_target::reserve_local_got_entry): New function.
1448         (Sized_target::reserve_global_got_entry): New function.
1449         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1450         (Target_x86_64::reserve_global_got_entry): New function.
1451         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1452
1453 2011-05-23 Cary Coutant  <ccoutant@google.com>
1454
1455         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1456         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1457         bit when checking got_type.
1458         * incremental.cc (Sized_incremental_binary::setup_readers):
1459         Store symbol table and string table locations; initialize bit vector
1460         of file status flags.
1461         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1462         unchanged files.
1463         (Sized_incremental_binary::do_process_got_plt): New function.
1464         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1465         (Output_section_incremental_inputs::set_final_data_size): Record
1466         file index for each input file.
1467         (Output_section_incremental_inputs::write_got_plt): Store file index
1468         instead of input entry offset for each GOT entry.
1469         * incremental.h
1470         (Incremental_input_entry::Incremental_input_entry): Initialize new
1471         data member.
1472         (Incremental_input_entry::set_offset): Store file index.
1473         (Incremental_input_entry::get_file_index): New function.
1474         (Incremental_input_entry::file_index_): New data member.
1475         (Incremental_binary::process_got_plt): New function.
1476         (Incremental_binary::do_process_got_plt): New function.
1477         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1478         data members.
1479         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1480         (Sized_incremental_binary::set_file_is_unchanged): New function.
1481         (Sized_incremental_binary::file_is_unchanged): New function.
1482         (Sized_incremental_binary::do_process_got_plt): New function.
1483         (Sized_incremental_binary::file_status_): New data member.
1484         (Sized_incremental_binary::main_symtab_loc_): New data member.
1485         (Sized_incremental_binary::main_strtab_loc_): New data member.
1486         * output.cc (Output_data_got::Got_entry::write): Add case
1487         RESERVED_CODE.
1488         (Output_data_got::add_global): Call add_got_entry.
1489         (Output_data_got::add_global_plt): Likewise.
1490         (Output_data_got::add_global_with_rel): Likewise.
1491         (Output_data_got::add_global_with_rela): Likewise.
1492         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1493         (Output_data_got::add_global_pair_with_rela): Likewise.
1494         (Output_data_got::add_local): Call add_got_entry.
1495         (Output_data_got::add_local_plt): Likewise.
1496         (Output_data_got::add_local_with_rel): Likewise.
1497         (Output_data_got::add_local_with_rela): Likewise.
1498         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1499         (Output_data_got::add_local_pair_with_rela): Likewise.
1500         (Output_data_got::reserve_slot): New function.
1501         (Output_data_got::reserve_slot_for_global): New function.
1502         (Output_data_got::add_got_entry): New function.
1503         (Output_data_got::add_got_entry_pair): New function.
1504         (Output_section::add_output_section_data): Edit FIXME.
1505         * output.h
1506         (Output_section_data_build::Output_section_data_build): New
1507         constructor with size parameter.
1508         (Output_data_space::Output_data_space): Likewise.
1509         (Output_data_got::Output_data_got): Initialize new data member; new
1510         constructor with size parameter.
1511         (Output_data_got::add_constant): Call add_got_entry.
1512         (Output_data_got::reserve_slot): New function.
1513         (Output_data_got::reserve_slot_for_global): New function.
1514         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1515         (Output_data_got::add_got_entry): New function.
1516         (Output_data_got::add_got_entry_pair): New function.
1517         (Output_data_got::free_list_): New data member.
1518         * target.h (Sized_target::init_got_plt_for_update): New function.
1519         (Sized_target::register_global_plt_entry): New function.
1520         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1521         Initialize new data member; call init; add constructor with PLT count.
1522         (Output_data_plt_x86_64::init): New function.
1523         (Output_data_plt_x86_64::add_relocation): New function.
1524         (Output_data_plt_x86_64::reserve_slot): New function.
1525         (Output_data_plt_x86_64::free_list_): New data member.
1526         (Target_x86_64::init_got_plt_for_update): New function.
1527         (Target_x86_64::register_global_plt_entry): New function.
1528         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1529         incremental updates.
1530         (Output_data_plt_x86_64::add_relocation): New function.
1531         * testsuite/object_unittest.cc (Object_test): Set default options.
1532
1533 2011-05-16  Ian Lance Taylor  <iant@google.com>
1534
1535         * options.h (class General_options): Make -i a synonym for -r.
1536
1537 2011-05-16  Ian Lance Taylor  <iant@google.com>
1538
1539         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1540
1541 2011-05-10 Cary Coutant  <ccoutant@google.com>
1542
1543         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1544         strip_all (-s).
1545
1546 2011-05-06  Ian Lance Taylor  <iant@google.com>
1547
1548         * layout.cc (Layout::layout): If the output section flags change,
1549         update the ordering.
1550
1551 2011-04-25 Cary Coutant  <ccoutant@google.com>
1552
1553         * incremental-dump.cc (dump_incremental_inputs): Print local
1554         symbol info for each input file.
1555         * incremental.cc
1556         (Output_section_incremental_inputs::set_final_data_size): Add local
1557         symbol info to input file entries in incremental info.
1558         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1559         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1560         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1561         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1562         implementation.
1563         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1564         (Sized_incr_relobj::do_relocate): Write the local symbols.
1565         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1566         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1567         Adjust size of input file header.
1568         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1569         (Incremental_inputs_reader::get_local_symbol_count): New function.
1570         (Incremental_inputs_reader::get_input_section): Adjust size of input
1571         file header.
1572         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1573         (Sized_incr_relobj::This): New typedef.
1574         (Sized_incr_relobj::sym_size): New const data member.
1575         (Sized_incr_relobj::Local_symbol): New struct.
1576         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1577         (Sized_incr_relobj::do_local_symbol_offset): New function.
1578         (Sized_incr_relobj::local_symbol_count_): New data member.
1579         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1580         (Sized_incr_relobj::local_symbol_index_): New data member.
1581         (Sized_incr_relobj::local_symbol_offset_): New data member.
1582         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1583         (Sized_incr_relobj::local_symbols_): New data member.
1584         * object.h (Relobj::output_local_symbol_count): New function.
1585         (Relobj::local_symbol_offset): New function.
1586         (Relobj::do_output_local_symbol_count): New function.
1587         (Relobj::do_local_symbol_offset): New function.
1588         (Sized_relobj::do_output_local_symbol_count): New function.
1589         (Sized_relobj::do_local_symbol_offset): New function.
1590
1591 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1592
1593         * descriptors.cc (set_close_on_exec): New function.
1594         (Descriptors::open): Use set_close_on_exec.
1595         * output.cc (S_ISLNK): Define if not defined.
1596
1597 2011-04-22 Cary Coutant  <ccoutant@google.com>
1598
1599         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1600         global symbol map.
1601         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1602         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1603         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1604         relocations.
1605         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1606         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1607         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1608         * incremental.h
1609         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1610         function.
1611         (Incremental_binary::apply_incremental_relocs): New function.
1612         (Incremental_binary::do_apply_incremental_relocs): New function.
1613         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1614         data member.
1615         (Sized_incremental_binary::add_global_symbol): New function.
1616         (Sized_incremental_binary::global_symbol): New function.
1617         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1618         (Sized_incremental_binary::symbol_map_): New data member.
1619         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1620         * target.h (Sized_target::apply_relocation): New function.
1621         * target-reloc.h (apply_relocation): New function.
1622         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1623
1624 2011-04-22  Doug Kwan  <dougkwan@google.com>
1625
1626         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1627         flag of a SHT_ARM_EXIDX section.
1628         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1629         * testsuite/Makefile.in: Regenerate.
1630         * testsuite/arm_exidx_test.s: New file.
1631         * testsuite/arm_exidx_test.sh: Same.
1632
1633 2011-04-20 Cary Coutant  <ccoutant@google.com>
1634
1635         PR gold/12689
1636         * archive.h (Incremental_archive_entry::Archive_member):
1637         Initialize arg_serial_ (second constructor).
1638
1639 2011-04-17  Ian Lance Taylor  <iant@google.com>
1640
1641         * object.cc (Relocate_info::location): Simplify location string.
1642         * errors.cc (Errors::error_at_location): Don't print program
1643         name.
1644         (Errors::warning_at_location): Likewise.
1645         (Errors::undefined_symbol): Likewise.
1646         * testsuite/debug_msg.sh: Update accordingly.
1647
1648 2011-04-14 Cary Coutant  <ccoutant@google.com>
1649
1650         * gold/layout.cc (Layout::symtab_section_offset): New function.
1651         * gold/layout.h (Layout::symtab_section_offset): New function.
1652         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1653
1654 2011-04-12  Ian Lance Taylor  <iant@google.com>
1655
1656         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1657         with MREMAP_MAYMOVE.
1658         * output.h (class Output_file): Add map_is_allocated_ field.
1659         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1660         not available, provide stubs.  If mremap is not available, #define
1661         it to gold_mremap.
1662         (MREMAP_MAYMOVE): Define if not defined.
1663         (Output_file::Output_file): Initialize map_is_allocated_.
1664         (Output_file::resize): Check map_is_allocated_.
1665         (Output_file::map_anonymous): If mmap fails, use malloc.
1666         (Output_file::unmap): Don't do anything for an anonymous map.
1667         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1668         is not available, provide stubs.
1669         (File_read::View::~View): Use free rather than delete[].
1670         (File_read::make_view): Use malloc rather than new[].  If mmap
1671         fails, use malloc.
1672         (File_read::find_or_make_view): Use malloc rather than new[].
1673         * gold.h: Remove HAVE_REMAP code.
1674         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1675         exists.  Rename mremap to gold_mremap.  If mmap is not available
1676         don't do anything.
1677         * configure, config.in: Rebuild.
1678
1679 2011-04-11  Ian Lance Taylor  <iant@google.com>
1680
1681         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1682         initialize local variable v.
1683
1684 2011-04-11  Cary Coutant  <ccoutant@google.com>
1685
1686         * archive.cc (Archive::include_member): Adjust call to
1687         report_object.
1688         (Add_archive_symbols::run): Track argument serial numbers.
1689         (Lib_group::include_member): Likewise.
1690         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1691         * archive.h (Incremental_archive_entry::Archive_member):
1692         Initialize arg_serial_.
1693         (Archive_member::arg_serial_): New data member.
1694         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1695         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1696         incremental link.
1697         (Sized_dynobj::do_for_all_local_got_entries): New function.
1698         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1699         function.
1700         * fileread.cc (get_mtime): New function.
1701         * fileread.h (get_mtime): New function.
1702         * gold.cc (queue_initial_tasks): Check for incremental update.
1703         (process_incremental_input): New function.
1704         (queue_middle_tasks): Don't force valid target for incremental
1705         update.
1706         * incremental-dump.cc (find_input_containing_global): Adjust
1707         size of symbol info entry.
1708         (dump_incremental_inputs): Dump argument serial number and
1709         in_system_directory flag; bias shndx by 1; print symbol names
1710         when dumping per-file symbol lists; use new symbol info readers.
1711         * incremental.cc
1712         (Output_section_incremental_inputs:update_data_size): New function.
1713         (Sized_incremental_binary::setup_readers): Setup input readers
1714         for each input file; build maps for files added from libraries
1715         and scripts.
1716         (Sized_incremental_binary::check_input_args): New function.
1717         (Sized_incremental_binary::do_check_inputs): Build map of argument
1718         serial numbers to input arguments.
1719         (Sized_incremental_binary::do_file_has_changed): Rename
1720         do_file_is_unchanged to this; compare file modification times.
1721         (Sized_incremental_binary::do_init_layout): New function.
1722         (Sized_incremental_binary::do_reserve_layout): New function.
1723         (Sized_incremental_binary::do_get_input_reader): Remove.
1724         (Sized_incremental_binary::get_symtab_view): New function.
1725         (Incremental_checker::can_incrementally_link_output_file): Remove.
1726         (Incremental_inputs::report_command_line): Exclude --debug options.
1727         (Incremental_inputs::report_archive_begin): Add parameter; track
1728         argument serial numbers; don't put input file entry for archive
1729         before archive members.
1730         (Incremental_inputs::report_archive_end): Put input file entry
1731         for archive after archive members.
1732         (Incremental_inputs::report_object): Add parameter; track argument
1733         serial numbers and in_system_directory flag.
1734         (Incremental_inputs::report_script): Add parameter; track argument
1735         serial numbers.
1736         (Output_section_incremental_inputs::set_final_data_size): Adjust
1737         size of symbol info entry; check for forwarding symbols.
1738         (Output_section_incremental_inputs::write_input_files): Write
1739         in_system_directory flag and argument serial number.
1740         (Output_section_incremental_inputs::write_info_blocks): Map section
1741         indices between incremental info and original input file; store
1742         input section index for each symbol.
1743         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1744         change operator() to visit().
1745         (class Global_got_offset_visitor): Likewise.
1746         (class Global_symbol_visitor_got_plt):
1747         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1748         classes.
1749         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1750         (Sized_incr_relobj::do_read_symbols): New function.
1751         (Sized_incr_relobj::do_layout): New function.
1752         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1753         (Sized_incr_relobj::do_add_symbols): New function.
1754         (Sized_incr_relobj::do_should_include_member): New function.
1755         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1756         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1757         (Sized_incr_relobj::do_section_size): New function.
1758         (Sized_incr_relobj::do_section_name): New function.
1759         (Sized_incr_relobj::do_section_contents): New function.
1760         (Sized_incr_relobj::do_section_flags): New function.
1761         (Sized_incr_relobj::do_section_entsize): New function.
1762         (Sized_incr_relobj::do_section_address): New function.
1763         (Sized_incr_relobj::do_section_type): New function.
1764         (Sized_incr_relobj::do_section_link): New function.
1765         (Sized_incr_relobj::do_section_info): New function.
1766         (Sized_incr_relobj::do_section_addralign): New function.
1767         (Sized_incr_relobj::do_initialize_xindex): New function.
1768         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1769         (Sized_incr_relobj::do_read_relocs): New function.
1770         (Sized_incr_relobj::do_gc_process_relocs): New function.
1771         (Sized_incr_relobj::do_scan_relocs): New function.
1772         (Sized_incr_relobj::do_count_local_symbols): New function.
1773         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1774         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1775         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1776         (Sized_incr_relobj::do_relocate): New function.
1777         (Sized_incr_relobj::do_set_section_offset): New function.
1778         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1779         (Sized_incr_dynobj::do_read_symbols): New function.
1780         (Sized_incr_dynobj::do_layout): New function.
1781         (Sized_incr_dynobj::do_add_symbols): New function.
1782         (Sized_incr_dynobj::do_should_include_member): New function.
1783         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1784         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1785         (Sized_incr_dynobj::do_section_size): New function.
1786         (Sized_incr_dynobj::do_section_name): New function.
1787         (Sized_incr_dynobj::do_section_contents): New function.
1788         (Sized_incr_dynobj::do_section_flags): New function.
1789         (Sized_incr_dynobj::do_section_entsize): New function.
1790         (Sized_incr_dynobj::do_section_address): New function.
1791         (Sized_incr_dynobj::do_section_type): New function.
1792         (Sized_incr_dynobj::do_section_link): New function.
1793         (Sized_incr_dynobj::do_section_info): New function.
1794         (Sized_incr_dynobj::do_section_addralign): New function.
1795         (Sized_incr_dynobj::do_initialize_xindex): New function.
1796         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1797         (make_sized_incremental_object): New function.
1798         (Incremental_library::copy_unused_symbols): New function.
1799         (Incremental_library::do_for_all_unused_symbols): New function.
1800         * incremental.h (enum Incremental_input_flags): New type.
1801         (class Incremental_checker): Remove.
1802         (Incremental_input_entry::Incremental_input_entry): Add argument
1803         serial number.
1804         (Incremental_input_entry::arg_serial): New function.
1805         (Incremental_input_entry::set_is_in_system_directory): New function.
1806         (Incremental_input_entry::is_in_system_directory): New function.
1807         (Incremental_input_entry::arg_serial_): New data member.
1808         (Incremental_input_entry::is_in_system_directory_): New data member.
1809         (class Script_info): Move here from script.h.
1810         (Script_info::Script_info): Add filename parameter.
1811         (Script_info::filename): New function.
1812         (Script_info::filename_): New data member.
1813         (Incremental_script_entry::Incremental_script_entry): Add argument
1814         serial number.
1815         (Incremental_object_entry::Incremental_object_entry): Likewise.
1816         (Incremental_object_entry::add_input_section): Build list of input
1817         sections with map to original shndx.
1818         (Incremental_object_entry::get_input_section_index): New function.
1819         (Incremental_object_entry::shndx_): New data member.
1820         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1821         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1822         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1823         serial number.
1824         (Incremental_inputs::report_archive_begin): Likewise.
1825         (Incremental_inputs::report_object): Likewise.
1826         (Incremental_inputs::report_script): Likewise.
1827         (class Incremental_global_symbol_reader): New class.
1828         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1829         and store flags and input file type.
1830         (Incremental_input_entry_reader::arg_serial): New function.
1831         (Incremental_input_entry_reader::type): Extract type from flags.
1832         (Incremental_input_entry_reader::is_in_system_directory): New function.
1833         (Incremental_input_entry_reader::get_input_section_count): Call
1834         accessor function for type.
1835         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1836         function for type; adjust size of global symbol entry.
1837         (Incremental_input_entry_reader::get_global_symbol_count): Call
1838         accessor function for type.
1839         (Incremental_input_entry_reader::get_object_count): Likewise.
1840         (Incremental_input_entry_reader::get_object_offset): Likewise.
1841         (Incremental_input_entry_reader::get_member_count): Likewise.
1842         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1843         (Incremental_input_entry_reader::get_member_offset): Likewise.
1844         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1845         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1846         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1847         (Incremental_input_entry_reader::get_global_symbol_reader): New
1848         function.
1849         (Incremental_input_entry_reader::get_output_symbol_index): New
1850         function.
1851         (Incremental_input_entry_reader::type_): Remove.
1852         (Incremental_input_entry_reader::flags_): New data member.
1853         (Incremental_inputs_reader::input_file_offset): New function.
1854         (Incremental_inputs_reader::input_file_index): New function.
1855         (Incremental_inputs_reader::input_file): Call input_file_offset.
1856         (Incremental_inputs_reader::input_file_at_offset): New function.
1857         (Incremental_relocs_reader::get_r_type): Reformat.
1858         (Incremental_relocs_reader::get_r_shndx): Reformat.
1859         (Incremental_relocs_reader::get_r_offset): Reformat.
1860         (Incremental_relocs_reader::data): New function.
1861         (Incremental_binary::Incremental_binary): Initialize new data members.
1862         (Incremental_binary::check_inputs): Add cmdline parameter.
1863         (Incremental_binary::file_is_unchanged): Remove.
1864         (Input_reader::arg_serial): New function.
1865         (Input_reader::get_unused_symbol_count): New function.
1866         (Input_reader::get_unused_symbol): New function.
1867         (Input_reader::do_arg_serial): New function.
1868         (Input_reader::do_get_unused_symbol_count): New function.
1869         (Input_reader::do_get_unused_symbol): New function.
1870         (Incremental_binary::input_file_count): New function.
1871         (Incremental_binary::get_input_reader): Change signature to use
1872         index instead of filename.
1873         (Incremental_binary::file_has_changed): New function.
1874         (Incremental_binary::get_input_argument): New function.
1875         (Incremental_binary::get_library): New function.
1876         (Incremental_binary::get_script_info): New function.
1877         (Incremental_binary::init_layout): New function.
1878         (Incremental_binary::reserve_layout): New function.
1879         (Incremental_binary::output_file): New function.
1880         (Incremental_binary::do_check_inputs): New function.
1881         (Incremental_binary::do_file_is_unchanged): Remove.
1882         (Incremental_binary::do_file_has_changed): New function.
1883         (Incremental_binary::do_init_layout): New function.
1884         (Incremental_binary::do_reserve_layout): New function.
1885         (Incremental_binary::do_input_file_count): New function.
1886         (Incremental_binary::do_get_input_reader): Change signature.
1887         (Incremental_binary::input_args_map_): New data member.
1888         (Incremental_binary::library_map_): New data member.
1889         (Incremental_binary::script_map_): New data member.
1890         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1891         new data members.
1892         (Sized_incremental_binary::output_section): New function.
1893         (Sized_incremental_binary::inputs_reader): Add const.
1894         (Sized_incremental_binary::symtab_reader): Add const.
1895         (Sized_incremental_binary::relocs_reader): Add const.
1896         (Sized_incremental_binary::got_plt_reader): Add const.
1897         (Sized_incremental_binary::get_symtab_view): New function.
1898         (Sized_incremental_binary::Inputs_reader): New typedef.
1899         (Sized_incremental_binary::Input_entry_reader): New typedef.
1900         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1901         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1902         (Sized_incremental_binary::do_file_has_changed): New function.
1903         (Sized_incremental_binary::do_init_layout): New function.
1904         (Sized_incremental_binary::do_reserve_layout): New function.
1905         (Sized_input_reader::Inputs_reader): Remove.
1906         (Sized_input_reader::Input_entry_reader): Remove.
1907         (Sized_input_reader::do_arg_serial): New function.
1908         (Sized_input_reader::do_get_unused_symbol_count): New function.
1909         (Sized_input_reader::do_get_unused_symbol): New function.
1910         (Sized_incremental_binary::do_input_file_count): New function.
1911         (Sized_incremental_binary::do_get_input_reader): Change signature;
1912         use index instead of filename.
1913         (Sized_incremental_binary::section_map_): New data member.
1914         (Sized_incremental_binary::input_entry_readers_): New data member.
1915         (class Sized_incr_relobj): New class.
1916         (class Sized_incr_dynobj): New class.
1917         (make_sized_incremental_object): New function.
1918         (class Incremental_library): New class.
1919         * layout.cc (Free_list::num_lists): New static data member.
1920         (Free_list::num_nodes): New static data member.
1921         (Free_list::num_removes): New static data member.
1922         (Free_list::num_remove_visits): New static data member.
1923         (Free_list::num_allocates): New static data member.
1924         (Free_list::num_allocate_visits): New static data member.
1925         (Free_list::init): New function.
1926         (Free_list::remove): New function.
1927         (Free_list::allocate): New function.
1928         (Free_list::dump): New function.
1929         (Free_list::print_stats): New function.
1930         (Layout_task_runner::run): Resize output file for incremental updates.
1931         (Layout::Layout): Initialize new data members.
1932         (Layout::set_incremental_base): New function.
1933         (Layout::init_fixed_output_section): New function.
1934         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1935         incremental updates.
1936         (Layout::create_gold_note): Do not create gold note section for
1937         incremental updates.
1938         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1939         for incremental updates.
1940         (Layout::set_section_offsets): For incremental updates, allocate space
1941         from free list.
1942         (Layout::create_symtab_sections): Layout with offsets relative to
1943         start of section; for incremental updates, allocate space from free
1944         list.
1945         (Layout::create_shdrs): For incremental updates, allocate space from
1946         free list.
1947         (Layout::finish_dynamic_section): For incremental updates, do not
1948         check --as-needed (fixed in subsequent patch).
1949         * layout.h (class Free_list): New class.
1950         (Layout::set_incremental_base): New function.
1951         (Layout::incremental_base): New function.
1952         (Layout::init_fixed_output_section): New function.
1953         (Layout::allocate): New function.
1954         (Layout::incremental_base_): New data member.
1955         (Layout::free_list_): New data member.
1956         * main.cc (main): Print Free_list statistics.
1957         * object.cc (Relobj::finalize_incremental_relocs): Add
1958         clear_counts parameter; clear counts only when clear_counts is set.
1959         (Sized_relobj::Sized_relobj): Initialize new base class.
1960         (Sized_relobj::do_layout): Don't report special sections.
1961         (Sized_relobj::do_for_all_local_got_entries): New function.
1962         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1963         symtab_off to all symbol table offsets.
1964         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1965         * object.h (class Got_offset_list): Move to top of file.
1966         (Object::Object): Allow case where input_file == NULL.
1967         (Object::~Object): Likewise.
1968         (Object::input_file): Assert that input_file != NULL.
1969         (Object::lock): Allow case where input_file == NULL.
1970         (Object::unlock): Likewise.
1971         (Object::is_locked): Likewise.
1972         (Object::token): Likewise.
1973         (Object::release): Likewise.
1974         (Object::is_incremental): New function.
1975         (Object::get_mtime): New function.
1976         (Object::for_all_local_got_entries): New function.
1977         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1978         (Object::set_is_in_system_directory): New function.
1979         (Object::is_in_system_directory): New function.
1980         (Object::do_is_incremental): New function.
1981         (Object::do_get_mtime): New function.
1982         (Object::do_for_all_local_got_entries): New function.
1983         (Object::is_in_system_directory_): New data member.
1984         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1985         (class Sized_relobj_base): New class.
1986         (class Sized_relobj): Derive from Sized_relobj_base.
1987         (class Sized_relobj::Symbols): Redeclare from base class.
1988         (class Sized_relobj::local_got_offset_list): Remove.
1989         (class Sized_relobj::Output_sections): Redeclare from base class.
1990         (class Sized_relobj::do_for_all_local_got_entries): New function.
1991         (class Sized_relobj::write_local_symbols): Add offset parameter.
1992         (class Sized_relobj::local_symbol_offset_): Update comment.
1993         (class Sized_relobj::local_dynsym_offset_): Update comment.
1994         * options.cc (Input_arguments::add_file): Remove const.
1995         * options.h (Input_file_argument::Input_file_argument):
1996         Initialize arg_serial_ (all constructors).
1997         (Input_file_argument::set_arg_serial): New function.
1998         (Input_file_argument::arg_serial): New function.
1999         (Input_file_argument::arg_serial_): New data member.
2000         (Input_arguments::Input_arguments): Initialize file_count_.
2001         (Input_arguments::add_file): Remove const.
2002         (Input_arguments::number_of_input_files): New function.
2003         (Input_arguments::file_count_): New data member.
2004         (Command_line::number_of_input_files): Call
2005         Input_arguments::number_of_input_files.
2006         * output.cc (Output_segment_headers::Output_segment_headers):
2007         Set current size.
2008         (Output_section::Input_section::current_data_size): New function.
2009         (Output_section::Output_section): Initialize new data members.
2010         (Output_section::add_input_section): Don't do merge sections for
2011         an incremental link; allocate space from free list for an
2012         incremental update.
2013         (Output_section::add_output_section_data): Allocate space from
2014         free list for an incremental update.
2015         (Output_section::update_data_size): New function.
2016         (Output_section::set_fixed_layout): New function.
2017         (Output_section::reserve): New function.
2018         (Output_segment::set_section_addresses): Remove const.
2019         (Output_segment::set_section_list_addresses): Remove const; allocate
2020         space from free list for an incremental update.
2021         (Output_segment::set_offset): Adjust size of RELRO segment for an
2022         incremental update.
2023         * output.h (Output_data::current_data_size): Move here from
2024         child classes.
2025         (Output_data::pre_finalize_data_size): New function.
2026         (Output_data::update_data_size): New function.
2027         (Output_section_headers::update_data_size): new function.
2028         (Output_section_data_build::current_data_size): Move to Output_data.
2029         (Output_data_strtab::update_data_size): New function.
2030         (Output_section::current_data_size): Move to Output_data.
2031         (Output_section::set_fixed_layout): New function.
2032         (Output_section::has_fixed_layout): New function.
2033         (Output_section::reserve): New function.
2034         (Output_section::update_data_size): New function.
2035         (Output_section::has_fixed_layout_): New data member.
2036         (Output_section::free_list_): New data member.
2037         (Output_segment::set_section_addresses): Remove const.
2038         (Output_segment::set_section_list_addresses): Remove const.
2039         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2040         New function.
2041         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2042         New function.
2043         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2044         parameter when calling Add_symbols constructor; store argument
2045         serial number for members of a lib group.
2046         (Add_symbols::locks): Allow case where token == NULL.
2047         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2048         (Read_member::~Read_member): New function.
2049         (Read_member::is_runnable): New function.
2050         (Read_member::locks): New function.
2051         (Read_member::run): New function.
2052         (Check_script::~Check_script): New function.
2053         (Check_script::is_runnable): New function.
2054         (Check_script::locks): New function.
2055         (Check_script::run): New function.
2056         (Check_library::~Check_library): New function.
2057         (Check_library::is_runnable): New function.
2058         (Check_library::locks): New function.
2059         (Check_library::run): New function.
2060         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2061         (Add_symbols::library_): New data member.
2062         (class Read_member): New class.
2063         (class Check_script): New class.
2064         (class Check_library): New class.
2065         * reloc.cc (Read_relocs::is_runnable): Allow case where
2066         token == NULL.
2067         (Read_relocs::locks): Likewise.
2068         (Scan_relocs::locks): Likewise.
2069         (Relocate_task::locks): Likewise.
2070         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2071         to clear counters.
2072         (Sized_relobj::incremental_relocs_scan): Fix comment.
2073         (Sized_relobj::do_relocate): Pass output file offset to
2074         write_local_symbols.
2075         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2076         from class declaration.
2077         * script.cc (read_input_script): Allocate Script_info; pass
2078         argument serial number to report_script.
2079         * script.h (class Script_info): Move to incremental.h.
2080         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2081         * symtab.h (Symbol_table::add_from_incrobj): New function.
2082         (Symbol_table::set_file_offset): New function.
2083
2084 2011-04-05  Cary Coutant  <ccoutant@google.com>
2085
2086         * incremental-dump.cc (dump_incremental_inputs): Change signature
2087         to take a Sized_incremental_binary; change caller.  Use readers
2088         in Sized_incremental_binary.
2089         * incremental.cc
2090         (Sized_incremental_binary::find_incremental_inputs_sections):
2091         Rename do_find_incremental_inputs_sections to this.
2092         (Sized_incremental_binary::setup_readers): New function.
2093         (Sized_incremental_binary::do_check_inputs): Check
2094         has_incremental_info_ flag; move setup code to setup_readers;
2095         use input readers.
2096         (Sized_incremental_binary::do_file_is_unchanged): New function.
2097         (Sized_incremental_binary::do_get_input_reader): New function.
2098         * incremental.h (class Incremental_binary): Move to end of file.
2099         (Incremental_binary::file_is_unchanged): New function.
2100         (Incremental_binary::do_file_is_unchanged): New function.
2101         (Incremental_binary::Input_reader): New class.
2102         (Incremental_binary::get_input_reader): New function.
2103         (class Sized_incremental_binary): Move to end of file.
2104         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2105         input section reader classes.
2106         (Sized_incremental_binary::has_incremental_info): New function.
2107         (Sized_incremental_binary::inputs_reader): New function.
2108         (Sized_incremental_binary::symtab_reader): New function.
2109         (Sized_incremental_binary::relocs_reader): New function.
2110         (Sized_incremental_binary::got_plt_reader): New function.
2111         (Sized_incremental_binary::do_file_is_unchanged): New function.
2112         (Sized_incremental_binary::Sized_input_reader): New class.
2113         (Sized_incremental_binary::get_input_reader): New function.
2114         (Sized_incremental_binary::find_incremental_inputs_sections):
2115         Rename do_find_incremental_inputs_sections to this.
2116         (Sized_incremental_binary::setup_readers): New function.
2117         (Sized_incremental_binary::has_incremental_info_): New data member.
2118         (Sized_incremental_binary::inputs_reader_): New data member.
2119         (Sized_incremental_binary::symtab_reader_): New data member.
2120         (Sized_incremental_binary::relocs_reader_): New data member.
2121         (Sized_incremental_binary::got_plt_reader_): New data member.
2122         (Sized_incremental_binary::current_input_file_): New data member.
2123
2124 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2125
2126         PR gold/12640
2127         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2128         violation.
2129
2130 2011-03-30  Cary Coutant  <ccoutant@google.com>
2131
2132         * archive.cc (Archive::include_member): Adjust call to report_object.
2133         (Add_archive_symbols::run): Add script_info to call to
2134         report_archive_begin.
2135         (Lib_group::include_member): Adjust call to report_object.
2136         (Add_lib_group_symbols::run): Adjust call to report_object.
2137         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2138         blocks.  Add object count for script input files.
2139         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2140         script_info parameter; change all callers.
2141         (Incremental_inputs::report_object): Add script_info parameter;
2142         change all callers.
2143         (Incremental_inputs::report_script): Store backpointer to
2144         incremental info entry.
2145         (Output_section_incremental_inputs::set_final_data_size): Record
2146         additional information for scripts.
2147         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2148         * incremental.h (Incremental_script_entry::add_object): New function.
2149         (Incremental_script_entry::get_object_count): New function.
2150         (Incremental_script_entry::get_object): New function.
2151         (Incremental_script_entry::objects_): New data member; adjust
2152         constructor.
2153         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2154         (Incremental_inputs::report_object): Add script_info parameter.
2155         (Incremental_inputs_reader::get_object_count): New function.
2156         (Incremental_inputs_reader::get_object_offset): New function.
2157         * options.cc (Input_arguments::add_file): Return reference to
2158         new input argument.
2159         * options.h (Input_argument::set_script_info): New function.
2160         (Input_argument::script_info): New function.
2161         (Input_argument::script_info_): New data member; adjust all
2162         constructors.
2163         (Input_file_group::add_file): Return reference to new input argument.
2164         (Input_file_lib::add_file): Likewise.
2165         (Input_arguments::add_file): Likewise.
2166         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2167         * script.cc (Parser_closure::Parser_closure): Add script_info
2168         parameter; adjust all callers.
2169         (Parser_closure::script_info): New function.
2170         (Parser_closure::script_info_): New data member.
2171         (read_input_script): Report scripts earlier to incremental info.
2172         (script_add_file): Set script_info in Input_argument.
2173         (script_add_library): Likewise.
2174         * script.h (Script_options::Script_info): Rewrite class.
2175
2176 2011-03-29  Cary Coutant  <ccoutant@google.com>
2177
2178         * archive.cc (Library_base::should_include_member): Move
2179         method here from class Archive.
2180         (Archive::Archive): Initialize base class.
2181         (Archive::should_include_member): Move to base class.
2182         (Archive::do_for_all_unused_symbols): New function.
2183         (Add_archive_symbols::run): Remove redundant access to
2184         incremental_inputs.
2185         (Lib_group::Lib_group): Initialize base class.
2186         (Lib_group::do_filename): New function.
2187         (Lib_group::include_member): Pass pointer to Lib_group to
2188         report_object.
2189         (Lib_group::do_for_all_unused_symbols): New function.
2190         (Add_lib_group_symbols::run): Report archive information for
2191         incremental links.
2192         * archive.h (class Library_base): New base class.
2193         (class Archive): Derive from Library_base.
2194         (Archive::filename): Move to base class.
2195         (Archive::set_incremental_info): Likewise.
2196         (Archive::incremental_info): Likewise.
2197         (Archive::Should_include): Likewise.
2198         (Archive::should_include_member): Likewise.
2199         (Archive::Armap_entry): Remove.
2200         (Archive::Unused_symbol_iterator): Remove.
2201         (Archive::unused_symbols_begin): Remove.
2202         (Archive::unused_symbols_end): Remove.
2203         (Archive::do_filename): New function.
2204         (Archive::do_get_mtime): New function.
2205         (Archive::do_for_all_unused_symbols): New function.
2206         (Archive::task_): Move to base class.
2207         (Archive::incremental_info_): Likewise.
2208         (class Lib_group): Derive from Library_base.
2209         (Lib_group::do_filename): New function.
2210         (Lib_group::do_get_mtime): New function.
2211         (Lib_group::do_for_all_unused_symbols): New function.
2212         (Lib_group::task_): Move to base class.
2213         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2214         function.
2215         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2216         function.
2217         * incremental.cc (Incremental_inputs::report_archive_begin):
2218         Use Library_base; call library's get_mtime; add incremental inputs
2219         entry before members.
2220         (class Unused_symbol_visitor): New class.
2221         (Incremental_inputs::report_archive_end): Use Library_base; use
2222         visitor class to record unused symbols; don't add incremental inputs
2223         entry after members.
2224         (Incremental_inputs::report_object): Use Library_base.
2225         * incremental.h
2226         (Incremental_archive_entry::Incremental_archive_entry): Remove
2227         unused Archive parameter.
2228         (Incremental_inputs::report_archive_begin): Use Library_base.
2229         (Incremental_inputs::report_archive_end): Likewise.
2230         (Incremental_inputs::report_object): Likewise.
2231         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2232         function.
2233         * object.h (Object::for_all_global_symbols): New function.
2234         (Object::do_for_all_global_symbols): New function.
2235         (Sized_relobj::do_for_all_global_symbols): New function.
2236         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2237         function.
2238         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2239         function.
2240
2241 2011-03-27  Ian Lance Taylor  <iant@google.com>
2242
2243         * archive.cc (Archive::interpret_header): Return -1 if something
2244         goes wrong.  Change callers accordingly.
2245
2246 2011-03-25  Cary Coutant  <ccoutant@google.com>
2247
2248         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2249         * testsuite/Makefile.in: Regenerate.
2250
2251 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2252
2253         * plugin.cc (get_view): New.
2254         (Plugin::load): Pass get_view to the plugin.
2255         (Plugin_manager::get_view): New.
2256
2257 2011-03-21  Ian Lance Taylor  <iant@google.com>
2258
2259         * testsuite/final_layout.sh: Rewrite to not use dc.
2260         * testsuite/relro_test.sh: Fail if dc is not present.
2261
2262 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2263
2264         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2265         Change == to -eq.
2266         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2267         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2268         Change == to -eq.
2269         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2270         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2271
2272 2011-03-14  Ian Lance Taylor  <iant@google.com>
2273
2274         * script-sections.cc (Sort_output_sections::script_compare):
2275         Rename from is_before, change return type.
2276         (Sort_output_sections::operator()): Adjust accordingly.
2277
2278 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2279
2280         PR gold/12572
2281         * testsuite/odr_violation2.cc: Add comment to make all error line
2282         numbers double digits.
2283         * testsuite/debug_msg.sh: Adjust expected errors.
2284
2285 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2286
2287         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2288         but mark earlier ones as non-canonical
2289         (offset_to_iterator): Update search target and example
2290         (do_addr2line): Return extra lines in a vector*
2291         (format_file_lineno): Extract from do_addr2line
2292         (one_addr2line): Add vector* out-param
2293         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2294         when a lineno entry appeared last for its instruction
2295         (Dwarf_line_info): Add vector* out-param
2296         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2297         * symtab.cc (Odr_violation_compare): Include the lineno in the
2298         comparison again.
2299         (linenos_from_loc): New. Combine the canonical line for an
2300         address with its other lines.
2301         (True_if_intersect): New. Helper functor to make
2302         std::set_intersection a query.
2303         (detect_odr_violations): Compare sets of lines instead of just
2304         one line for each function. This became less deterministic, but
2305         has fewer false positives.
2306         * symtab.h: Declarations.
2307         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2308         mix an optimized and non-optimized object in the same binary
2309         (odr_violation2.so): Same.
2310         * testsuite/Makefile.in: Regenerate from Makefile.am.
2311         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2312         * testsuite/debug_msg.sh: Update line numbers and add
2313         assertions.
2314         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2315         non-optimized context.
2316         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2317         isn't inlined, and use OdrDerived in an optimized context.
2318         * testsuite/odr_header1.h: Defines OdrDerived, where
2319         optimization will change the
2320         first-instruction-in-the-destructor's file and line number.
2321         * testsuite/odr_header2.h: Defines OdrBase.
2322
2323 2011-03-09  Ian Lance Taylor  <iant@google.com>
2324
2325         * fileread.cc (File_read::clear_views): Don't delete the whole
2326         file view.
2327
2328 2011-03-08  Ian Lance Taylor  <iant@google.com>
2329
2330         PR gold/12525
2331         * fileread.cc: #include <climits>.
2332         (GOLD_IOV_MAX): Define.
2333         (File_read::read_multiple): Limit number of entries by iov_max.
2334         * fileread.h (class File_read): Always set max_readv_entries to
2335         128.
2336
2337 2011-03-07  Ian Lance Taylor  <iant@google.com>
2338
2339         PR gold/12525
2340         * options.h (class General_options): Add -dy and -dn.
2341
2342 2011-03-02  Cary Coutant  <ccoutant@google.com>
2343
2344         * testsuite/script_test_9.t: Add TLS segment.
2345
2346 2011-03-02  Simon Baldwin  <simonb@google.com>
2347
2348         * configure.ac: Add check for gnu_indirect_function support in
2349         the toolchain building binutils.
2350         * configure: Rebuild.
2351
2352 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2353
2354         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2355         plugin only symbols.
2356         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2357         in plugin files as not needed in the symbol table.
2358
2359 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2360
2361         * output.cc (Output_section::add_input_section): Delay fill
2362         generation for section ordering.
2363
2364 2011-02-09  Ian Lance Taylor  <iant@google.com>
2365
2366         PR gold/12316
2367         * object.h (class Sized_relobj): Remove clear_local_symbols.
2368         * reloc.cc (Sized_relobj::do_relocate): Don't call
2369         clear_local_symbols.
2370
2371 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2372
2373         * plugin.cc (is_visible_from_outside): Return true for symbols
2374         in the -u option.
2375
2376 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2377
2378         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2379         filename.
2380
2381 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2382
2383         * icf.h (is_section_foldable_candidate): Change type of parameter
2384         to std::string.
2385         * icf.cc (Icf::find_identical_sections): Change type of local variable
2386         section_name to be std::string.
2387         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2388
2389 2011-01-25  Ian Lance Taylor  <iant@google.com>
2390
2391         * script.cc (script_add_extern): Rewrite to use
2392         add_symbol_reference.
2393
2394 2011-01-25  Doug Kwan  <dougkwan@google.com>
2395
2396         * icf.cc (get_section_contents): Always lock section's object.
2397
2398 2011-01-24  Ian Lance Taylor  <iant@google.com>
2399
2400         * options.h (class General_options): Accept
2401         --no-detect-odr-violations.
2402
2403 2011-01-24  Ian Lance Taylor  <iant@google.com>
2404
2405         * version.cc (version_string): Bump to 1.11.
2406
2407 2011-01-24  Ian Lance Taylor  <iant@google.com>
2408
2409         * plugin.cc (class Plugin_rescan): Define new class.
2410         (Plugin_manager::claim_file): Set any_claimed_.
2411         (Plugin_manager::save_archive): New function.
2412         (Plugin_manager::save_input_group): New function.
2413         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2414         necessary.
2415         (Plugin_manager::new_undefined_symbol): New function.
2416         (Plugin_manager::rescan): New function.
2417         (Plugin_manager::rescannable_defines): New function.
2418         (Plugin_manager::add_input_file): Set any_added_.
2419         * plugin.h (class Plugin_manager): define new fields rescannable_,
2420         undefined_symbols_, any_claimed_, and any_added_.  Declare
2421         Plugin_rescan as friend.  Declare new functions.
2422         (Plugin_manager::Rescannable): Define type.
2423         (Plugin_manager::Rescannable_list): Define type.
2424         (Plugin_manager::Undefined_symbol_list): Define type.
2425         (Plugin_manager::Plugin_manager): Initialize new fields.
2426         * archive.cc (Archive::defines_symbol): New function.
2427         (Add_archive_symbols::run): Pass archive to plugins if any.
2428         * archive.h (class Archive): Declare defines_symbol.
2429         * readsyms.cc (Input_group::~Input_group): New function.
2430         (Finish_group::run): Pass input_group to plugins if any.
2431         * readsyms.h (class Input_group): Declare destructor.
2432         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2433         any.
2434
2435 2011-01-10  Ian Lance Taylor  <iant@google.com>
2436
2437         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2438         section as relro.
2439         (Layout::set_segment_offsets): Reset increase_relro before calling
2440         set_section_addresses a second time.
2441
2442 2011-01-04  Cary Coutant  <ccoutant@google.com>
2443
2444         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2445         sections before NOBITS sections.
2446
2447 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2448
2449         * version.cc (print_version): Update copyright to 2011.
2450
2451 2010-12-23  Cary Coutant  <ccoutant@google.com>
2452
2453         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2454         of OS to this->add.  Add OD parameter to second form of the function.
2455
2456 2010-12-20  Ian Lance Taylor  <iant@google.com>
2457
2458         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2459         second of two consecutive entries with same offset.
2460
2461 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2462
2463         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2464         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2465         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2466         to avoid unneeded links against $(LDADD).
2467         * testsuite/Makefile.in: Regenerate.
2468
2469 2010-12-15  Ian Lance Taylor  <iant@google.com>
2470
2471         PR gold/12324
2472         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2473         for R_X86_64_32 and R_X86_64_PC32.
2474         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2475         ver_matching_def_pic.o.
2476         (ver_matching_def_pic.o): New target.
2477
2478 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2479
2480         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2481         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2482         Move definition before File_read::View member definitions.
2483         (File_read::View::~View): Initialize and hold lock before
2484         updating current_mapped_bytes.
2485
2486 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2487
2488         * dwarf_reader.cc: Remove outdated comment.
2489         * gold-threads.cc: Fix typo in error message.
2490         * archive.cc: Fix typos in comments.
2491         * archive.h: Likewise.
2492         * arm-reloc-property.cc: Likewise.
2493         * arm-reloc-property.h: Likewise.
2494         * arm-reloc.def: Likewise.
2495         * arm.cc: Likewise.
2496         * attributes.h: Likewise.
2497         * cref.cc: Likewise.
2498         * ehframe.cc: Likewise.
2499         * fileread.h: Likewise.
2500         * gold.h: Likewise.
2501         * i386.cc: Likewise.
2502         * icf.cc: Likewise.
2503         * incremental.h: Likewise.
2504         * int_encoding.cc: Likewise.
2505         * layout.h: Likewise.
2506         * main.cc: Likewise.
2507         * merge.h: Likewise.
2508         * object.cc: Likewise.
2509         * object.h: Likewise.
2510         * options.cc: Likewise.
2511         * readsyms.cc: Likewise.
2512         * reduced_debug_output.cc: Likewise.
2513         * reloc.cc: Likewise.
2514         * script-sections.cc: Likewise.
2515         * sparc.cc: Likewise.
2516         * symtab.h: Likewise.
2517         * target-reloc.h: Likewise.
2518         * target.cc: Likewise.
2519         * target.h: Likewise.
2520         * timer.cc: Likewise.
2521         * timer.h: Likewise.
2522         * x86_64.cc: Likewise.
2523
2524 2010-12-09  Cary Coutant  <ccoutant@google.com>
2525
2526         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2527         stack.
2528         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2529         parameter; change all callers.
2530         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2531         * options.h (warn_execstack): New option.
2532
2533 2010-12-07  Doug Kwan  <dougkwan@google.com>
2534
2535         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2536         like function call relocations.
2537
2538 2010-12-07  Ian Lance Taylor  <iant@google.com>
2539
2540         * archive.cc (Archive::get_elf_object_for_member): Permit
2541         punconfigured to be NULL.
2542         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2543         (Archive::include_member): Pass NULL to get_elf_object_for_member
2544         if we searched for the archive and this is the first included
2545         object.
2546
2547 2010-12-01  Ian Lance Taylor  <iant@google.com>
2548
2549         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2550         track_relocs_type_ field.
2551         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2552         Set track_relocs_type_.
2553         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2554         contents when using RELA relocs.
2555         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2556         reloc_map_.
2557         * reloc.cc (Track_relocs::next_addend): New function.
2558         * reloc.h (class Track_relocs): Declare next_addend.
2559
2560 2010-12-01  Ian Lance Taylor  <iant@google.com>
2561
2562         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2563         virtual destructor.
2564
2565 2010-12-01  Ian Lance Taylor  <iant@google.com>
2566
2567         * README: Update compilers known to work and fail.
2568
2569 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2570
2571         * configure.in: For --enable-gold, handle value `default' instead of
2572         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2573         not the default.
2574         * configure: Regenerate.
2575
2576 2010-11-18  Doug Kwan  <dougkwan@google.com>
2577
2578         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2579         and right_alignment to be zero.  Store result alignment only if it is
2580         greater than existing alignment.
2581
2582 2010-11-16  Cary Coutant  <ccoutant@google.com>
2583
2584         PR gold/12220
2585         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2586         Check for ".zdebug_line".
2587
2588 2010-11-16  Doug Kwan  <dougkwan@google.com>
2589             Cary Coutant  <ccoutant@google.com>
2590
2591         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2592         by reference; adjust all callers.
2593         * output.cc (Output_segment::set_section_addresses): Adjust references
2594         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2595         list is empty.
2596         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2597         end at page boundary.
2598
2599 2010-11-16  Cary Coutant  <ccoutant@google.com>
2600
2601         PR gold/12220
2602         * layout.cc (Layout::choose_output_section): Transform names of
2603         compressed sections even when using a script with a SECTIONS clause.
2604         (Layout::output_section_name): Remove code to transform
2605         compressed debug section names.
2606         * output.cc (Output_section::add_input_section): Use uncompressed
2607         section size when tracking input sections.
2608
2609 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2610
2611         * symtab.h (Symbol::NON_PIC_REF): Remove.
2612         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2613         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2614         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2615         (Symbol::use_plt_offset): Take a flags argument and pass it
2616         directly to needs_dynamic_reloc.  Restrict check for undefined
2617         weak symbols to function calls.
2618         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2619         (Target_arm::Scan::global): Use it.
2620         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2621         (Target_arm::Relocate::relocate): Likewise.
2622         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2623         parameter with an r_type parameter.  Use get_reference_flags
2624         to get the flags.
2625         (Target_arm::Relocate::relocate): Update accordingly.
2626         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2627         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2628         (Target_i386::Scan::global): Likewise.
2629         (Target_i386::Relocate::relocate): Likewise.
2630         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2631         parameter with an r_type parameter.  Use get_reference_flags
2632         to get the flags.
2633         (Target_i386::Relocate::relocate): Update accordingly.
2634         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2635         (Target_powerpc::Scan::global): Use it.
2636         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2637         (Target_powerpc::Relocate::relocate): Likewise.
2638         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2639         (Target_sparc::Scan::global): Use it.
2640         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2641         (Target_sparc::Relocate::relocate): Likewise.
2642         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2643         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2644         (Target_x86_64::Scan::global): Likewise.
2645         (Target_x86_64::Relocate::relocate): Likewise.
2646
2647 2010-11-08  Doug Kwan  <dougkwan@google.com>
2648             Cary Coutant  <ccoutant@google.com>
2649
2650         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2651         (Arm_exidx_merge_section::section_contents_): New data member.
2652         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2653         (Arm_input_section::~Arm_input_section): De-allocate memory.
2654         (Arm_input_section::original_contents_): New data member.
2655         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2656         in parameters instead of calling Object::section_contents without
2657         locking.
2658         (Arm_output_section::group_section): New parameter TASK.  Pass it
2659         to callees that need locking objects.
2660         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2661         to lock EXIDX input sections.  Fix a formatting issue.  Call
2662         Arm_exidx_merged_section::build_contents to create merged section
2663         contents.
2664         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2665         to lock object of stub table owner.
2666         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2667         TEXT_SIZE to initialize data member TEXT_SIZE_.
2668         (Arm_exidx_input_section::addralign): Fix typo in comment.
2669         (Arm_exidx_input_section::text_size): New method.
2670         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2671         that require locking objects.  Lock objects before scanning for stubs
2672         and updating local symbols.
2673         (Arm_input_section<big_endian>::init): Copy contents of original
2674         input section.
2675         (Arm_input_section<big_endian>::do_write): Use saved contents of
2676         original input section instead of calling Object::section_contents
2677         without locking.
2678         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2679         size without calling Object::section_size().
2680         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2681         for size.  Allocate a buffer for merged EXIDX entries.
2682         (Arm_exidx_merged_section::build_contents): New method.
2683         (Arm_exidx_merged_section::do_write): Move merge section contents
2684         building code to Arm_exidx_merged_section::build_contetns.  Write
2685         out contetns in buffer instead of building it on the fly.
2686         (Arm_relobj::make_exidx_input_section): Also pass text section size
2687         to Arm_exidx_input_section constructor.
2688         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2689         (Arm_dynobj::do_read_symbols): Fix memory leak.
2690         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2691         * target.h: (class Task): Add forward declaration.
2692         (Target::relax): Add new parameter TASK and pass it to
2693         Target::do_relax().
2694         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2695
2696 2010-11-05  Cary Coutant  <ccoutant@google.com>
2697
2698         PR gold/10708
2699         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2700         object when reading from the file.
2701         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2702         second layout pass.
2703         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2704         when reading section contents.
2705         (get_section_contents): Likewise.
2706         (icf::find_identical_sections): Likewise.
2707         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2708         object when reading from the file.
2709         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2710         the object when doing deferred section layout.
2711
2712 2010-11-03  Nick Clifton  <nickc@redhat.com>
2713
2714         PR gold/12001
2715         * script.h (class Symbol_assignment: name): New member.  Returns
2716         the name of the symbol.
2717         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2718         Returns true if the given symbol name is on the list of
2719         assignments wating to be processed.
2720         * archive.cc (should_incldue_member): If the symbol is undefined,
2721         check to see if it is on the list of symbols pending assignment.
2722
2723 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2724
2725         * script-sections.cc (Script_sections::find_memory_region): Check
2726         for a NULL output section pointer.
2727
2728 2010-10-29  Doug Kwan  <dougkwan@google.com>
2729
2730         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2731         Output_section::add_relaxed_input_section.
2732         * output.cc (Output_section::add_relaxed_input_section): Add new
2733         arguments LAYOUT and NAME.  Set section order index.
2734         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2735         Copy section order index.
2736         * output.h (Output_section::add_relaxed_input_section): Add new
2737         arguments LAYOUT and NAME.
2738
2739 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2740
2741         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2742         NATIVE_OR_CROSS_LINKER.
2743         * testsuite/Makefile.in: Regenerate.
2744
2745 2010-10-20  Doug Kwan  <dougkwan@google.com>
2746
2747         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2748         without SHF_LINK_ORDER flags.
2749         * layout.cc (Layout::choose_output_section): Do not filter
2750         SHF_LINK_ORDER flag in a relocatable link.
2751
2752 2010-10-17  Cary Coutant  <ccoutant@google.com>
2753
2754         * output.h (Output_segment::set_section_addresses): Change function
2755         signature.  Update all callers.
2756         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2757         sections.
2758         (Output_segment::set_section_addresses): Align after last TLS
2759         section.  Add padding before last relro section instead of after.
2760
2761 2010-10-17  Doug Kwan  <dougkwan@google.com>
2762
2763         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2764         GOT output section to be writable.
2765
2766 2010-10-14  Cary Coutant  <ccoutant@google.com>
2767
2768         * debug.h (DEBUG_INCREMENTAL): New flag.
2769         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2770         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2771         mode.
2772         * incremental.cc (report_command_line): Ignore all forms of
2773         --incremental.
2774         * layout.cc (Layout::Layout): Check parameters for incremental link
2775         mode.
2776         * options.cc (General_options::parse_incremental): New function.
2777         (General_options::parse_no_incremental): New function.
2778         (General_options::parse_incremental_full): New function.
2779         (General_options::parse_incremental_update): New function.
2780         (General_options::incremental_mode_): New data member.
2781         (General_options::finalize): Check incremental_mode_.
2782         * options.h (General_options): Update help text for --incremental.
2783         Add --no-incremental, --incremental-full, --incremental-update.
2784         (General_options::Incremental_mode): New enum type.
2785         (General_options::incremental_mode): New function.
2786         (General_options::incremental_mode_): New data member.
2787         * parameters.cc (Parameters::incremental_mode_): New data member.
2788         (Parameters::set_options): Set incremental_mode_.
2789         (Parameters::set_incremental_full): New function.
2790         (Parameters::incremental): New function.
2791         (Parameters::incremental_update): New function.
2792         (set_parameters_incremental_full): New function.
2793         * parameters.h (Parameters::set_incremental_full): New function.
2794         (Parameters::incremental): New function.
2795         (Parameters::incremental_update): New function.
2796         (Parameters::incremental_mode_): New data member.
2797         (set_parameters_incremental_full): New function.
2798         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2799         incremental link mode.
2800         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2801         (Sized_relobj::do_relocate_sections): Likewise.
2802         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2803         option.
2804         * testsuite/Makefile.in: Regenerate.
2805         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2806
2807 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2808
2809         * script-sections.h (class Script_sections): Make
2810         Sections_elements typedef public.
2811         * script-sections.cc (class Sort_output_sections): Add elements_
2812         field.  Add constructor which sets it; change all callers.
2813         (Sort_output_sections::is_before): New function.
2814         (Sort_output_sections::operator()): Call is_before.
2815         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2816         conditional.
2817         * testsuite/script_test_10.sh: New test. Test script section
2818         order.
2819         * testsuite/script_test_10.t: Likewise.
2820         * testsuite/script_test_10.s: Likewise.
2821         * testsuite/Makefile.am: Wrap the cross linker tests and the
2822         common tests into NATIVE_OR_CROSS_LINKER.
2823         (check_SCRIPTS): Add script_test_10.sh.
2824         (check_DATA): Add script_test_10.stdout.
2825         (script_test_10.o, script_test_10): New targets.
2826         (script_test_10.stdout): New target.
2827         * configure, testsuite/Makefile.in: Regenerate.
2828
2829 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2830
2831         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2832         error for the deprecated relocations.
2833         (Target_arm::Scan::global): Likewise.
2834         (Target_arm::Relocate::relocate): Likewise.
2835
2836 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2837
2838         * fileread.cc (Input_file::find_file): Initialize *found_name
2839         and *namep when using the fallback search for case 4.
2840
2841 2010-10-11  Cary Coutant  <ccoutant@google.com>
2842
2843         * options.h (class General_options): Redefine -z lazy as an alias for
2844         the negation of -z now.
2845
2846 2010-10-11  Ian Lance Taylor  <iant@google.com>
2847
2848         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2849         binding.
2850
2851 2010-10-06  Nick Clifton  <nickc@redhat.com>
2852
2853         * script-sections.cc(class Memory_region): Remove
2854         current_lma_offset_ field.  Rename current_vma_offset_ to
2855         current_offset_.  Add last_section_ field.
2856         (Memory_region::get_current_vma_address): Rename to
2857         get_current_address.
2858         (Memory_region::get_current_lma_address): Delete.
2859         (Memory_region::increment_vma_offset): Rename to
2860         increment_offset.
2861         (Memory_region::increment_lma_offset): Delete.
2862         (Memory_region::attributes_compatible): New method.  Returns
2863         true if the provided section is compatible with the region.
2864         (Memory_region::get_last_section): New method.  Returns the last
2865         section to use the region.
2866         (Memory_region::set_last_section): New method.  Stores the last
2867         section to use the region.
2868         (Script_sections::block_in_region): New method.  Returns true if
2869         a block of memory is contained within a region.
2870         (Script_sections::find_memory_region): New method.  Locates a
2871         memory region to be used to set a VMA or LMA address.
2872         (Output_section_definition::set_section_addresses): Add code to
2873         check for addresses set by memory regions.
2874         (Output_segment::set_section_addresses): Remove memory region
2875         walking code.
2876         (Script_sections::create_segment): Add a warning if a header
2877         segment is created outside of any region.
2878         * script-sections.h (class Script_sections): Add prototypes for
2879         find_memory_region and block_in_region methods.
2880         * testsuite/memory_test.s: Use .long instead of .word.
2881         * testsuite/memory_test.t: Add some more output sections.
2882         * testsuite/memory_test.sh: Update expected output.
2883
2884 2010-10-02  Doug Kwan  <dougkwan@google.com>
2885
2886         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2887         defintion to symtab.h
2888         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2889         declaration to defintion.
2890
2891 2010-10-01  Nick Clifton  <nickc@redhat.com>
2892
2893         * expression.cc (eval): Replace dummy argument with NULL.
2894         (eval_maybe_dot): Check for a NULL result section pointer.
2895         (Symbol_expression::value): Likewise.
2896         (Dot_expression::value): Likewise.
2897         (BINARY_EXPRESSION): Likewise.
2898         (Max_expression::value): Likewise.
2899         (Min_expression::value): Likewise.
2900         (Absolute_expression::value): Likewise.
2901         (Addr_expression::value_from_output_section): Likewise.
2902         (Loaddddr_expression::value_from_output_section): Likewise.
2903         (Segment_start_expression::value): Likewise.
2904         * script-sections.cc
2905         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2906         argument with NULL.
2907         (Sections_elememt_dot_assignment::set_section_addresses):
2908         Likewise.
2909         (Output_data_expression::do_write_to_buffer): Likewise.
2910         (Output_section_definition::finalize_symbols): Likewise.
2911         (Output_section_definition::set_section_addresses): Likewise.
2912
2913 2010-09-30  Doug Kwan  <dougkwan@google.com>
2914
2915         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2916
2917 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2918
2919         * target.h (Target::can_icf_inline_merge_sections): New virtual
2920         function.
2921         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2922         virtual function.
2923         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2924         virtual function.
2925         * icf.cc (get_section_contents): Inline merge sections only when
2926         target allows it.
2927
2928 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2929
2930         * configure: Regenerate.
2931
2932 2010-09-17  Ian Lance Taylor  <iant@google.com>
2933
2934         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2935         * testsuite/Makefile.am (memory_test.o): New target.
2936         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2937         memory_test.t.
2938         * testsuite/Makefile.in: Rebuild.
2939
2940 2010-09-17  Doug Kwan  <dougkwan@google.com>
2941
2942         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2943         defintion if relocation uses GOT entries of the symbol.
2944         * testsuite/icf_safe_test.sh: Fix test.
2945         * testsuite/icf_safe_so_test.sh: Fix test.
2946
2947 2010-09-16  Cary Coutant  <ccoutant@google.com>
2948
2949         * script_sections.cc (class Memory_region): Remove "NULL" from
2950         vector initializations.
2951
2952 2010-09-15  Cary Coutant  <ccoutant@google.com>
2953
2954         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2955         Resolve forwarding symbols.
2956
2957 2010-09-15  Doug Kwan  <dougkwan@google.com>
2958
2959         * gold/testsuite/script_test_3.t: Add ARM special sections.
2960         * gold/testsuite/script_test_4.t: Same.
2961         * gold/testsuite/script_test_5.t: Same.
2962         * gold/testsuite/script_test_6.t: Same.
2963         * gold/testsuite/script_test_7.t: Same.
2964         * gold/testsuite/script_test_7.t: Same.
2965         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2966
2967 2010-09-14  Cary Coutant  <ccoutant@google.com>
2968
2969         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2970         (Target_x86_64::Relocate::relocate_tls): Replace check for
2971         saw_tls_block_reloc_ with test for executable section.
2972
2973 2010-09-12  Cary Coutant  <ccoutant@google.com>
2974
2975         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2976         position-independent executables to shared libraries need dynamic
2977         relocations.
2978         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2979         position-independent executables.
2980         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2981         * testsuite/Makefile.in: Regenerate.
2982
2983 2010-09-10  Nick Clifton  <nickc@redhat.com>
2984
2985         PR gold/11997
2986         * testsuite/memory_test.t: Discard any sections that are not
2987         needed.
2988
2989 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2990
2991         PR gold/11996
2992         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2993         "This::" to work around a bug in gcc 4.2.
2994
2995         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2996
2997 2010-09-09  Rafael Espindola  <espindola@google.com>
2998
2999         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3000         sections with different PF_X flags in the same segment.
3001         (Layout::find_first_load_seg): Search all segments to find the first
3002         one.
3003         * options.h (rosegment): New.
3004
3005 2010-09-08  Rafael Espindola  <espindola@google.com>
3006
3007         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3008
3009 2010-09-08  Doug Kwan  <dougkwan@google.com>
3010
3011         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3012         (Arm_relobj::do_relocate_sections): Add new parameter for output
3013         file to match the parent.
3014         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3015         of local symbols instead of input values.  Update code to track
3016         changes in gold::relocate_section.
3017         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3018         (Sized_relobj::compute_final_local_value_internal): New methods.
3019         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3020         body into private version of Sized_relobj::compute_final_local_value.
3021         Call the inline method.
3022         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3023         merged symbol value if there is one.
3024         (Symbol_value::has_output_value): New method defintiion.
3025         (Sized_relobj::Compute_final_local_value_status): New enum type.
3026         (Sized_relobj::compute_final_local_value): New methods.
3027         (Sized_relobj::compute_final_local_value_internal): New methods.
3028         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3029         and arm_cortex_a8.sh.
3030         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3031         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3032         New tests.
3033         * Makefile.in: Regenerate.
3034         * testsuite/arm_bl_out_of_range.s: Update test.
3035         * testsuite/thumb_bl_out_of_range.s: Ditto.
3036         * testsuite/thumb_blx_out_of_range.s: Ditto.
3037         * testsuite/arm_branch_out_of_range.sh: New file.
3038         * testsuite/arm_cortex_a8.sh: Ditto.
3039         * testsuite/arm_cortex_a8_b.s: Ditto.
3040         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3041         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3042         * testsuite/arm_cortex_a8_bl.s: Ditto.
3043         * testsuite/arm_cortex_a8_blx.s: Ditto.
3044         * testsuite/arm_cortex_a8_local.s: Ditto.
3045         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3046         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3047
3048 2010-09-08  Rafael Espindola  <espindola@google.com>
3049
3050         * Makefile.am (memory_test.stdout): Run readelf with -W.
3051         * Makefile.in: Regenerate.
3052         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3053         64 bit output.
3054
3055 2010-09-08  Rafael Espindola  <espindola@google.com>
3056
3057         * script-sections.cc (Script_sections::add_memory_region): Convert
3058         field precision to int.
3059         * script.cc (script_set_section_region, script_set_section_region):
3060         Convert field precision to int.
3061
3062 2010-09-08  Rafael Espindola  <espindola@google.com>
3063
3064         * arm.cc (do_finalize_sections): Create the __exidx_start and
3065         __exdix_end symbols even when the section is missing.
3066
3067 2010-09-08  Nick Clifton  <nickc@redhat.com>
3068
3069         * README: Remove claim that MEMORY is not supported.
3070         * expression.cc (script_exp_function_origin)
3071         (script_exp_function_length): Move from here to ...
3072         * script.cc: ... here.
3073         (script_set_section_region, script_add_memory)
3074         (script_parse_memory_attr, script_include_directive): New
3075         functions.
3076         * script-sections.cc
3077         (class Memory_region): New class.
3078         (class Output_section_definition): Add set_memory_region,
3079         set_section_vma, set_section_lma and get_section_name methods.
3080         (class Script_Sections): Add add_memory_region,
3081         find_memory_region, find_memory_region_origin,
3082         find_memory_region_length and set_memory_region methods.
3083         Have set_section_addresses method walk the list of set memory
3084         regions.
3085         Extend the print methos to display memory regions.
3086         * script-sections.h: Add prototypes for new methods.
3087         Add enum for MEMORY region attributes.
3088         * yyscript.y: Add support for parsing MEMORY regions.
3089         * script-c.h: Add prototypes for new functions.
3090         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3091         * testsuite/Makefile.in: Regenerate.
3092         * testsuite/memory_test.sh: New script.
3093         * testsuite/memory_test.s: New assembler source file.
3094         * testsuite/memory_test.t: New linker script.
3095
3096 2010-08-27  Doug Kwan  <dougkwan@google.com>
3097
3098         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3099         reference override an existing dynamic weak reference.
3100         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3101         * testsuite/Makefile.in: Regenerate.
3102         * testsuite/dyn_weak_ref.sh: New file.
3103         * testsuite/dyn_weak_ref_1.c: Ditto.
3104         * testsuite/dyn_weak_ref_2.c: Ditto.
3105
3106 2010-08-27  Ian Lance Taylor  <iant@google.com>
3107
3108         * incremental.h (class Incremental_input_entry): Add virtual
3109         destructor.
3110
3111 2010-08-27  Ian Lance Taylor  <iant@google.com>
3112
3113         * testsuite/start_lib_test_3.c: Mark t3 as used.
3114
3115 2010-08-27  Nick Clifton  <nickc@redhat.com>
3116
3117         * options.cc (version_script): Fix small typo in previous
3118         whitespace tidyup.
3119
3120 2010-08-25  Nick Clifton  <nickc@redhat.com>
3121
3122         * archive.cc: Formatting fixes: Remove whitespace between
3123         typename and following asterisk.  Remove whitespace between
3124         function name and opening parenthesis.
3125         * archive.h: Likewise.
3126         * arm.cc: Likewise.
3127         * attributes.cc: Likewise.
3128         * attributes.h: Likewise.
3129         * common.cc: Likewise.
3130         * copy-relocs.cc: Likewise.
3131         * dirsearch.h: Likewise.
3132         * dynobj.cc: Likewise.
3133         * ehframe.cc: Likewise.
3134         * ehframe.h: Likewise.
3135         * expression.cc: Likewise.
3136         * fileread.cc: Likewise.
3137         * fileread.h: Likewise.
3138         * gc.h: Likewise.
3139         * gold-threads.cc: Likewise.
3140         * gold.cc: Likewise.
3141         * i386.cc: Likewise.
3142         * icf.h: Likewise.
3143         * incremental-dump.cc: Likewise.
3144         * incremental.cc: Likewise.
3145         * layout.cc: Likewise.
3146         * layout.h: Likewise.
3147         * main.cc: Likewise.
3148         * merge.cc: Likewise.
3149         * merge.h: Likewise.
3150         * object.cc: Likewise.
3151         * object.h: Likewise.
3152         * options.cc: Likewise.
3153         * options.h: Likewise.
3154         * output.cc: Likewise.
3155         * output.h: Likewise.
3156         * plugin.cc: Likewise.
3157         * plugin.h: Likewise.
3158         * powerpc.cc: Likewise.
3159         * reloc.cc: Likewise.
3160         * script-c.h: Likewise.
3161         * script-sections.cc: Likewise.
3162         * script.cc: Likewise.
3163         * stringpool.cc: Likewise.
3164         * symtab.cc: Likewise.
3165         * symtab.h: Likewise.
3166         * target.cc: Likewise.
3167         * timer.cc: Likewise.
3168         * timer.h: Likewise.
3169         * version.cc: Likewise.
3170         * x86_64.cc: Likewise.
3171
3172 2010-08-24  Nick Clifton  <nickc@redhat.com>
3173
3174         PR 11899
3175         * layout.cc (segment_precedes): Sort segments by their physical
3176         addresses, if they have been set.
3177
3178 2010-08-23  Cary Coutant  <ccoutant@google.com>
3179
3180         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3181         symbols data.
3182         (Lib_group::include_member): Unlock object after deleting its
3183         symbols data.
3184         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3185         the bug fixed here.
3186
3187 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3188             Cary Coutant  <ccoutant@google.com>
3189
3190         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3191         constructor, and set_blocker.
3192         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3193         readsyms_blocker_.
3194         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3195         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3196         * testsuite/Makefile.am (start_lib_test): New test case.
3197         * testsuite/Makefile.in: Regenerate.
3198         * testsuite/start_lib_test_main.c: New file.
3199         * testsuite/start_lib_test_1.c: New file.
3200         * testsuite/start_lib_test_2.c: New file.
3201         * testsuite/start_lib_test_3.c: New file.
3202
3203 2010-08-19  Ian Lance Taylor  <iant@google.com>
3204
3205         * Makefile.in: Rebuild with automake 1.11.1.
3206         * aclocal.m4: Likewise.
3207         * testsuite/Makefile.in: Likewise.
3208
3209 2010-08-19  Ian Lance Taylor  <iant@google.com>
3210
3211         PR 10893
3212         * i386.cc (class Output_data_plt_i386): Update declarations.
3213         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3214         local_ifuncs_ fields.
3215         (Target_i386::do_plt_section_for_global): New function.
3216         (Target_i386::do_plt_section_for_local): New function.
3217         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3218         parameter; change all callers.  Initialize global_ifuncs_ and
3219         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3220         __rel_iplt_end.
3221         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3222         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3223         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3224         symbols.
3225         (Target_i386::make_plt_section): New function, broken out of
3226         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3227         (Target_i386::make_plt_entry): Call make_plt_section.
3228         (Target_i386::make_local_ifunc_plt_entry): New function.
3229         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3230         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3231         R_386_IRELATIVE to switch.
3232         (Target_i386::Scan::global): Likewise.
3233         (Target_i386::Relocate::relocate): Likewise.
3234         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3235         switch.
3236         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3237         (Target_x86_64::do_plt_section_for_global): New function.
3238         (Target_x86_64::do_plt_section_for_local): New function.
3239         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3240         parameter; change all callers.  If doing a static link define
3241         __rela_iplt_start and __rela_iplt_end.
3242         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3243         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3244         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3245         to point to .plt.
3246         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3247         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3248         switch.
3249         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3250         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3251         R_X86_64_IRELATIVE to switch.
3252         (Target_x86_64::Scan::global): Likewise.
3253         (Target_x86_64::Relocate::relocate): Likewise.
3254         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3255         switch.
3256         * target.h (class Target): Add plt_section_for_global and
3257         plt_section_for_local functions.  Add do_plt_section_for_global
3258         and do_plt_section_for_local virtual functions.
3259         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3260         clarifying comments.
3261         (Symbol::use_plt_offset): Handle IFUNC symbol.
3262         * object.cc (Sized_relobj::Sized_relobj): Initialize
3263         local_plt_offsets_.
3264         (Sized_relobj::local_has_plt_offset): New function.
3265         (Sized_relobj::local_plt_offset): New function.
3266         (Sized_relobj::set_local_plt_offset): New function.
3267         (Sized_relobj::do_count): Handle IFUNC symbol.
3268         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3269         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3270         is_ifunc_symbol functions.
3271         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3272         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3273         local_plt_offsets_ field.
3274         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3275         * output.h (class Output_section_data): Add non-const
3276         output_section function.
3277         (class Output_data_got): Update declarations.
3278         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3279         Add use_plt_offset parameter to global and local constructors.
3280         Change all callers.  Change local_sym_index_ field to 31 bits.
3281         Change GSYM_CODE and CONSTANT_CODE accordingly.
3282         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3283         doing a static link don't set sh_link field.
3284         (Output_data_got::Got_entry::write): Use PLT offset if
3285         appropriate.
3286         (Output_data_got::add_global_plt): New function.
3287         (Output_data_got::add_local_plt): New function.
3288         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3289         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3290         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3291         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3292         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3293         IFUNC conditional.
3294         * testsuite/ifunc-sel.h: New file.
3295         * testsuite/ifuncmain1.c: New file.
3296         * testsuite/ifuncmain1vis.c: New file.
3297         * testsuite/ifuncmod1.c: New file.
3298         * testsuite/ifuncdep2.c: New file.
3299         * testsuite/ifuncmain2.c: New file.
3300         * testsuite/ifuncmain3.c: New file.
3301         * testsuite/ifuncmod3.c: New file.
3302         * testsuite/ifuncmain4.c: New file.
3303         * testsuite/ifuncmain5.c: New file.
3304         * testsuite/ifuncmod5.c: New file.
3305         * testsuite/ifuncmain6pie.c: New file.
3306         * testsuite/ifuncmod6.c: New file.
3307         * testsuite/ifuncmain7.c: New file.
3308         * configure, testsuite/Makefile.in: Rebuild.
3309
3310 2010-08-18  Ian Lance Taylor  <iant@google.com>
3311
3312         * incremental.cc
3313         (Output_section_incremental_inputs::write_input_files): Add cast
3314         to avoid signed/unsigned comparison warning.
3315         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3316
3317 2010-08-12  Cary Coutant  <ccoutant@google.com>
3318
3319         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3320
3321 2010-08-13  Ian Lance Taylor  <iant@google.com>
3322
3323         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3324
3325 2010-08-12  Cary Coutant  <ccoutant@google.com>
3326             Doug Kwan  <dougkwan@google.com>
3327
3328         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3329         defintion overrides non-weak undef, remember that the original undef
3330         is not weak.
3331         * symtab.cc (Symbol_table::sized_write_global): For undef without
3332         an original weak binding, set binding to global in output.
3333         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3334         * testsuite/Makefile.in: Regenerate.
3335         * testsuite/strong_ref_weak_def.sh: New file.
3336         * testsuite/strong_ref_weak_def_1.c: Ditto.
3337         * testsuite/strong_ref_weak_def_2.c: Ditto.
3338
3339 2010-08-12  Cary Coutant  <ccoutant@google.com>
3340
3341         * testsuite/incremental_test.sh: Rewrite.
3342         * testsuite/incremental_test_1.c: Rewrite.
3343         * testsuite/incremental_test_2.c: Rewrite.
3344
3345 2010-08-12  Cary Coutant  <ccoutant@google.com>
3346
3347         * arm.cc (Target_arm::got_size): Add const.
3348         (Target_arm::got_entry_count): New function.
3349         (Target_arm::plt_entry_count): New function.
3350         (Target_arm::first_plt_entry_offset): New function.
3351         (Target_arm::plt_entry_size): New function.
3352         (Output_data_plt_arm::entry_count): New function.
3353         (Output_data_plt_arm::first_plt_entry_offset): New function.
3354         (Output_data_plt_arm::get_plt_entry_size): New function.
3355         * i386.cc (Target_i386::got_size): Add const.
3356         (Target_i386::got_entry_count): New function.
3357         (Target_i386::plt_entry_count): New function.
3358         (Target_i386::first_plt_entry_offset): New function.
3359         (Target_i386::plt_entry_size): New function.
3360         (Output_data_plt_i386::entry_count): New function.
3361         (Output_data_plt_i386::first_plt_entry_offset): New function.
3362         (Output_data_plt_i386::get_plt_entry_size): New function.
3363         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3364         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3365         * incremental.cc: Include target.h.
3366         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3367         parameter.  Adjust all callers.  Find incremental_got_plt section.
3368         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3369         section.
3370         (Output_section_incremental_inputs::set_final_data_size): Calculate
3371         size of incremental_got_plt section.
3372         (Output_section_incremental_inputs::do_write): Write the
3373         incremental_got_plt section.
3374         (Got_plt_view_info): New struct.
3375         (Local_got_offset_visitor): New class.
3376         (Global_got_offset_visitor): New class.
3377         (Global_symbol_visitor_got_plt): New class.
3378         (Output_section_incremental_inputs::write_got_plt): New function.
3379         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3380         Add parameter.  Adjust all callers.
3381         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3382         (Incremental_inputs::got_plt_section): New function.
3383         (Incremental_inputs::got_plt_section_): New data member.
3384         (Incremental_got_plt_reader): New class.
3385         * layout.cc (Layout::create_incremental_info_sections): Add the
3386         incremental_got_plt section.
3387         * object.h (Got_offset_list::get_list): New function.
3388         (Got offset_list::for_all_got_offsets): New function.
3389         (Sized_relobj::local_got_offset_list): New function.
3390         * powerpc.cc (Target_powerpc::got_size): Add const.
3391         (Target_powerpc::got_entry_count): New function.
3392         (Target_powerpc::plt_entry_count): New function.
3393         (Target_powerpc::first_plt_entry_offset): New function.
3394         (Target_powerpc::plt_entry_size): New function.
3395         (Output_data_plt_powerpc::entry_count): New function.
3396         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3397         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3398         * sparc.cc (Target_sparc::got_size): Add const.
3399         (Target_sparc::got_entry_count): New function.
3400         (Target_sparc::plt_entry_count): New function.
3401         (Target_sparc::first_plt_entry_offset): New function.
3402         (Target_sparc::plt_entry_size): New function.
3403         (Output_data_plt_sparc::entry_count): New function.
3404         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3405         (Output_data_plt_sparc::get_plt_entry_size): New function.
3406         * symtab.h (Symbol::got_offset_list): New function.
3407         (Symbol_table::for_all_symbols): New function.
3408         * target.h (Sized_target::got_entry_count): New function.
3409         (Sized_target::plt_entry_count): New function.
3410         (Sized_target::plt_entry_size): New function.
3411         * x86_64.cc (Target_x86_64::got_size): Add const.
3412         (Target_x86_64::got_entry_count): New function.
3413         (Target_x86_64::plt_entry_count): New function.
3414         (Target_x86_64::first_plt_entry_offset): New function.
3415         (Target_x86_64::plt_entry_size): New function.
3416         (Output_data_plt_x86_64::entry_count): New function.
3417         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3418         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3419
3420 2010-08-12  Cary Coutant  <ccoutant@google.com>
3421
3422         * archive.cc: Include incremental.h.
3423         (Archive::Archive): Initialize incremental_info_.
3424         (Archive::include_member): Record archive members in incremental info.
3425         (Add_archive_symbols::run): Record begin and end of an archive in
3426         incremental info.
3427         (Lib_group::include_member): Record objects in incremental info.
3428         * archive.h (Incremental_archive_entry): Forward declaration.
3429         (Archive::set_incremental_info): New member function.
3430         (Archive::incremental_info): New member function.
3431         (Archive::Unused_symbol_iterator): New class.
3432         (Archive::unused_symbols_begin): New member function.
3433         (Archive::unused_symbols_end): New member function.
3434         (Archive::incremental_info_): New data member.
3435         * incremental-dump.cc (find_input_containing_global): New function.
3436         (dump_incremental_inputs): Dump new incremental info sections.
3437         * incremental.cc: Include symtab.h.
3438         (Output_section_incremental_inputs): New class.
3439         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3440         new incremental info sections.
3441         (Sized_incremental_binary::do_check_inputs): Likewise.
3442         (Incremental_inputs::report_archive): Remove.
3443         (Incremental_inputs::report_archive_begin): New function.
3444         (Incremental_inputs::report_archive_end): New function.
3445         (Incremental_inputs::report_object): New function.
3446         (Incremental_inputs::finalize_inputs): Remove.
3447         (Incremental_inputs::report_input_section): New function.
3448         (Incremental_inputs::report_script): Rewrite.
3449         (Incremental_inputs::finalize): Do nothing but finalize string table.
3450         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3451         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3452         (Incremental_inputs::create_data_sections): New function.
3453         (Incremental_inputs::relocs_entsize): New function.
3454         (Output_section_incremental_inputs::set_final_data_size): New function.
3455         (Output_section_incremental_inputs::do_write): New function.
3456         (Output_section_incremental_inputs::write_header): New function.
3457         (Output_section_incremental_inputs::write_input_files): New function.
3458         (Output_section_incremental_inputs::write_info_blocks): New function.
3459         (Output_section_incremental_inputs::write_symtab): New function.
3460         * incremental.h (Incremental_script_entry): Forward declaration.
3461         (Incremental_object_entry): Forward declaration.
3462         (Incremental_archive_entry): Forward declaration.
3463         (Incremental_inputs): Forward declaration.
3464         (Incremental_inputs_header_data): Remove.
3465         (Incremental_inputs_header): Remove.
3466         (Incremental_inputs_header_write): Remove.
3467         (Incremental_inputs_entry_data): Remove.
3468         (Incremental_inputs_entry): Remove.
3469         (Incremental_inputs_entry_write): Remove.
3470         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3471         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3472         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3473         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3474         Likewise.
3475         (Incremental_input_entry): New class.
3476         (Incremental_script_entry): New class.
3477         (Incremental_object_entry): New class.
3478         (Incremental_archive_entry): New class.
3479         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3480         (Incremental_inputs::report_inputs): Remove.
3481         (Incremental_inputs::report_archive): Remove.
3482         (Incremental_inputs::report_archive_begin): New function.
3483         (Incremental_inputs::report_archive_end): New function.
3484         (Incremental_inputs::report_object): Change prototype.
3485         (Incremental_inputs::report_input_section): New function.
3486         (Incremental_inputs::report_script): Change prototype.
3487         (Incremental_inputs::get_reloc_count): New function.
3488         (Incremental_inputs::set_reloc_count): New function.
3489         (Incremental_inputs::create_data_sections): New function.
3490         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3491         (Incremental_inputs::inputs_section): New function.
3492         (Incremental_inputs::symtab_section): New function.
3493         (Incremental_inputs::relocs_section): New function.
3494         (Incremental_inputs::get_stringpool): Add const.
3495         (Incremental_inputs::command_line): Add const.
3496         (Incremental_inputs::inputs): Remove.
3497         (Incremental_inputs::command_line_key): New function.
3498         (Incremental_inputs::input_file_count): New function.
3499         (Incremental_inputs::input_files): New function.
3500         (Incremental_inputs::relocs_entsize): New function.
3501         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3502         (Incremental_inputs::finalize_inputs): Remove.
3503         (Incremental_inputs::Input_info): Remove.
3504         (Incremental_inputs::lock_): Remove.
3505         (Incremental_inputs::inputs_): Change type.
3506         (Incremental_inputs::inputs_map_): Remove.
3507         (Incremental_inputs::current_object_entry_): New data member.
3508         (Incremental_inputs::inputs_section_): New data member.
3509         (Incremental_inputs::symtab_section_): New data member.
3510         (Incremental_inputs::relocs_section_): New data member.
3511         (Incremental_inputs::reloc_count_): New data member.
3512         (Incremental_inputs_reader): New class.
3513         (Incremental_symtab_reader): New class.
3514         (Incremental_relocs_reader): New class.
3515         * layout.cc (Layout::finalize): Move finalization of incremental info
3516         and creation of incremental info sections to follow finalization of
3517         symbol table.  Set offsets for postprocessing sections.
3518         (Layout::create_incremental_info_sections): Call
3519         Incremental_inputs::create_data_sections.  Add incremental symtab
3520         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3521         sections to layout after input sections.
3522         * layout.h (struct Timespec): Forward declaration.
3523         (Layout::incremental_inputs): Add const.
3524         (Layout::create_incremental_info_sections): Add parameter.
3525         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3526         * object.cc: Include incremental.h.
3527         (Relobj::finalize_incremental_relocs): New function.
3528         (Sized_relobj::do_layout): Record input sections in incremental info.
3529         * object.h (Object::output_section): New function.
3530         (Object::output_section_offset): Moved from Relobj.
3531         (Object::get_incremental_reloc_base): New function.
3532         (Object::get_incremental_reloc_count): New function.
3533         (Object::do_output_section): New function.
3534         (Object::do_output_section_offset): Moved from Relobj.
3535         (Object::do_get_incremental_reloc_base): New function.
3536         (Object::do_get_incremental_reloc_count): New function.
3537         (Object::Object): Initialize new data members.
3538         (Relobj::output_section): Renamed do_output_section and moved to
3539         protected.
3540         (Relobj::output_section_offset): Moved to Object.
3541         (Relobj::do_get_incremental_reloc_base): New function.
3542         (Relobj::do_get_incremental_reloc_count): New function.
3543         (Relobj::allocate_incremental_reloc_counts): New function.
3544         (Relobj::count_incremental_reloc): New function.
3545         (Relobj::finalize_incremental_relocs): New function.
3546         (Relobj::next_incremental_reloc_index): New function.
3547         (Relobj::reloc_counts_): New data member.
3548         (Relobj::reloc_bases_): New data member.
3549         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3550         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3551         (Sized_relobj::incremental_relocs_scan): New function.
3552         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3553         (Sized_relobj::incremental_relocs_write): New function.
3554         (Sized_relobj::incremental_relocs_write_reltype): New function.
3555         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3556         incremental link.
3557         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3558         archives and object files elsewhere.
3559         (Add_symbols::run): Report object files here.
3560         (Finish_group::run): Report end of archive at end of group.
3561         * reloc.cc: Include layout.h, incremental.h.
3562         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3563         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3564         (Sized_relobj::incremental_relocs_scan): New function.
3565         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3566         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3567         (Sized_relobj::incremental_relocs_write): New function.
3568         (Sized_relobj::incremental_relocs_write_reltype): New function.
3569         * script.cc (read_input_script): Rewrite test for incremental link.
3570         Change call to Incremental_inputs::report_script.
3571         * symtab.h (Symbol_table::first_global_index): New function.
3572         (Symbol_table::output_count): New function.
3573
3574 2010-08-12  Doug Kwan  <dougkwan@google.com>
3575
3576         * arm.cc (Target_arm::merge_object_attributes): Check command line
3577         options --no-wchar-size-warning and --no-enum-size-warning.
3578         * options.h (General_options): Add ld-compatible options
3579         --no-enum-size-warning and --no-wchar-size-warning.
3580
3581 2010-08-04  Ian Lance Taylor  <iant@google.com>
3582
3583         * x86_64.cc (Target_x86_64::Scan::local): Use
3584         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3585         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3586         (Target_x86_64::Scan::global): Likewise.
3587         (Target_x86_64::Relocate::relocate): Likewise.
3588         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3589         Likewise.
3590
3591 2010-08-03  Cary Coutant  <ccoutant@google.com>
3592
3593         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3594         to reserve space in merged_strings vector. Keep total input size
3595         for stats.
3596         (Output_merge_string::do_print_merge_stats): Print total input size.
3597         * merge.h (Output_merge_string): Add input_size_ field.
3598         * stringpool.cc (Stringpool_template::string_length): Move
3599         implementations out of Stringpool_template class and place in
3600         stringpool.h.
3601         * stringpool.h (string_length): Move out of Stringpool_template.
3602
3603 2010-08-03  Ian Lance Taylor  <iant@google.com>
3604
3605         PR 11712
3606         * layout.cc (relaxation_loop_body): If address of load segment is
3607         set, adjust address to include headers if possible.
3608
3609 2010-08-03  Ian Lance Taylor  <iant@google.com>
3610
3611         * version.cc (version_string): Bump to 1.10.
3612
3613 2010-08-03  Ian Lance Taylor  <iant@google.com>
3614
3615         PR 11805
3616         * layout.h (enum Output_section_order): Define.
3617         (class Layout): Update declarations.
3618         * layout.cc (Layout::get_output_section): Add order parameter.
3619         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3620         is_first_non_relro parameters.  Change all callers.
3621         (Layout::choose_output_section): Likewise.
3622         (Layout::add_output_section_data): Likewise.
3623         (Layout::make_output_section): Likewise.  Set order.
3624         (Layout::default_section_order): New function.
3625         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3626         * output.cc (Output_section::Output_section): Initialize order_.
3627         Don't initialize deleted fields.
3628         (Output_segment::Output_segment): Don't initialize deleted
3629         fields.
3630         (Output_segment::add_output_section_to_load): New function
3631         replacing add_output_section.  Change all callers to call this or
3632         add_output_section_to_nonload.
3633         (Output_segment::add_output_section_to_nonload): New function.
3634         (Output_segment::remove_output_section): Rewrite.
3635         (Output_segment::add_initial_output_data): Likewise.
3636         (Output_segment::has_any_data_sections): Likewise.
3637         (Output_segment::is_first_section_relro): Likewise.
3638         (Output_segment::maximum_alignment): Likewise.
3639         (Output_segment::has_dynamic_reloc): New function replacing
3640         dynamic_reloc_count.  Change all callers.
3641         (Output_segment::has_dynamic_reloc_list): New function replacing
3642         dynamic_reloc_count_list.  Change all callers.
3643         (Output_segment::set_section_addresses): Rewrite.
3644         (Output_segment::set_offset): Rewrite.
3645         (Output_segment::find_first_and_last_list): Remove.
3646         (Output_segment::set_tls_offsets): Rewrite.
3647         (Output_segment::first_section_load_address): Likewise.
3648         (Output_segment::output_section_count): Likewise.
3649         (Output_segment::section_with_lowest_load_address): Likewise.
3650         (Output_segment::write_section_headers): Likewise.
3651         (Output_segment::print_sections_to_map): Likewise.
3652         * output.h (class Output_data): Remove dynamic_reloc_count_
3653         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3654         (Output_data::add_dynamic_reloc): Rewrite.
3655         (Output_data::has_dynamic_reloc): New function.
3656         (Output_data::dynamic_reloc_count): Remove.
3657         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3658         is_last_relro_, is_first_non_relro_, is_interp_,
3659         is_dynamic_linker_section_ fields.  Add order and set_order
3660         functions.  Remove is_relro_local, set_is_relro_local,
3661         is_last_relro, set_is_last_relro, is_first_non_relro,
3662         set_is_first_non_relro functions, is_interp, set_is_interp,
3663         is_dynamic_linker_section, and set_is_dynamic_linker_section
3664         functions.
3665         (class Output_segment): Change Output_data_list from std::list to
3666         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3667         output_bss_ fields.  Update declarations.
3668
3669 2010-08-02  Ian Lance Taylor  <iant@google.com>
3670
3671         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3672         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3673         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3674
3675 2010-08-02  Ian Lance Taylor  <iant@google.com>
3676
3677         PR 11855
3678         * script.cc (Script_options::Script_options): Initialize
3679         symbol_definitions_ and symbol_references_.
3680         (Script_options::add_symbol_assignment): Update
3681         symbol_definitions_ and symbol_references_.
3682         (Script_options::add_symbol_reference): New function.
3683         (script_symbol): New function.
3684         * script.h (class Script_options): Add symbol_definitions_ and
3685         symbol_references_ fields.
3686         (Script_options::referenced_const_iterator): New type.
3687         (Script_options::referenced_begin): New function.
3688         (Script_options::referenced_end): New function.
3689         (Script_options::is_referenced): New function.
3690         (Script_options::any_unreferenced): New function.
3691         * script-c.h (script_symbol): Declare.
3692         * yyscript.y (exp): Call script_symbol.
3693         * symtab.cc: Include "script.h".
3694         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3695         Change all callers.  Check symbols referenced by scripts.
3696         (Symbol_table::add_undefined_symbols_from_command_line): Add
3697         layout parameter.  Change all callers.
3698         (Symbol_table::do_add_undefined_symbols_from_command_line):
3699         Likewise.  Break out loop body.  Check symbols referenced by
3700         scripts.
3701         (Symbol_table::add_undefined_symbol_from_command_line): New
3702         function broken out of
3703         do_add_undefined_symbols_from_command_line.
3704         * symtab.h (class Symbol_table): Update declarations.
3705         * archive.cc: Include "layout.h".
3706         (Archive::should_include_member): Add layout parameter.  Change
3707         all callers.  Check for symbol mentioned in expression.
3708         * archive.h (class Archive): Update declaration.
3709         * object.cc (Sized_relobj::do_should_include_member): Add layout
3710         parameter.
3711         * object.h (Object::should_include_member): Add layout parameter.
3712         Change all callers.
3713         (Object::do_should_include_member): Add layout parameter.
3714         (class Sized_relobj): Update declaration.
3715         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3716         parameter.
3717         * dynobj.h (class Sized_dynobj): Update declaration.
3718         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3719         layout parameter.
3720         * plugin.h (class Sized_pluginobj): Update declaration.
3721
3722 2010-08-02  Ian Lance Taylor  <iant@google.com>
3723
3724         PR 11866
3725         * output.cc (Output_segment::set_offset): Search for the first and
3726         last sections rather than assuming that the list is in order.
3727         (Output_segment::find_first_and_last_list): New function.
3728         * output.h (class Output_segment): Update declarations.
3729         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3730         (relro_strip_test_SOURCES): New variable.
3731         (relro_strip_test_DEPENDENCIES): New variable.
3732         (relro_strip_test_LDFLAGS): New variable.
3733         (relro_strip_test_LDADD): New variable.
3734         (relro_strip_test.so): New target.
3735
3736 2010-08-02  Ian Lance Taylor  <iant@google.com>
3737
3738         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3739         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3740         (Target_i386::got_tlsdesc_section): New function.
3741         (Target_i386::got_section): Create space for GOT entries for
3742         TLSDESC relocations.
3743         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3744         R_386_TLS_GOTDESC.
3745         (Target_i386::Scan::global): Likewise.
3746         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3747         using TLSDESC GOT.
3748         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3749         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3750         (Target_x86_64::got_tlsdesc_section): New function.
3751         (Target_x86_64::got_section): Create space for GOT entries for
3752         TLSDESC relocations.
3753         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3754         R_386_TLS_GOTDESC.
3755         (Target_x86_64::Scan::global): Likewise.
3756         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3757         using TLSDESC GOT.
3758
3759 2010-08-02  Ian Lance Taylor  <iant@google.com>
3760
3761         * testsuite/final_layout.sh: Use dc to convert from hex to
3762         decimal.
3763
3764 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3765
3766         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3767         paramter to the call to gold::gc_process_relocs.
3768         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3769         paramter to the call to gold::gc_process_relocs.
3770         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3771         parameter to the call to gold::gc_process_relocs.
3772         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3773         template parameter to the call to gold::gc_process_relocs.
3774         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3775         paramter to the call to gold::gc_process_relocs.
3776         * gc.h (get_embedded_addend_size): New function.
3777         (gc_process_relocs): Save the size of the reloc for use by ICF.
3778         * icf.cc (get_section_contents): Get the addend from the text section
3779         for SHT_REL relocation sections.
3780         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3781         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3782         * int_encoding.h (read_from_pointer): New overloaded function.
3783         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3784         * testsuite/icf_sht_rel_addend_test.sh: New file.
3785         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3786         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3787
3788 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3789
3790         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3791         * Makefile.in: Regenerate.
3792         * testsuite/Makefile.in: Regenerate.
3793
3794 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3795
3796         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3797         * gold/testsuite/debug_msg.cc: Likewise.
3798         * gold/testsuite/odr_violation1.cc
3799         * gold/testsuite/odr_violation2.cc
3800
3801 2010-07-21  Cary Coutant  <ccoutant@google.com>
3802
3803         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3804         string, and length fields.
3805         (Output_merge_string::Merged_strings_list): New type.
3806         (Output_merge_string::Merged_strings_lists): New typedef.
3807         (Output_merge_string): Replace merged_strings_ with
3808         merged_strings_lists_.
3809         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3810         Merged_strings_list per input object and section.  Don't store pointer
3811         to the string.  Don't store length with each merged string entry.
3812         (Output_merge_string::finalize_merged_data): Loop over list of merged
3813         strings lists.  Recompute length of each merged string.
3814
3815 2010-07-15  Cary Coutant  <ccoutant@google.com>
3816
3817         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3818         here.
3819
3820 2010-07-14  Ian Lance Taylor  <iant@google.com>
3821
3822         * descriptors.cc (Descriptors::open): Report correct name in error
3823         message.
3824
3825 2010-07-13  Doug Kwan  <dougkwan@google.com>
3826
3827         * arm.cc (Arm_input_section::Arm_input_section): For a
3828         SHT_ARM_EXIDX section, always keeps the input sections.
3829         (Arm_input_section::set_exidx_section_link): New method.
3830         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3831         has_errors_ to false.
3832         (Arm_exidx_input_section::has_errors,
3833         Arm_exidx_input_section::set_has_errors): New methods.
3834         (Arm_exidx_input_section::has_errors_): New data member.
3835         (Arm_relobj::get_exidx_shndx_list): New method.
3836         (Arm_output_section::append_text_sections_to_list): Do not skip
3837         section without SHF_EXECINSTR.
3838         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3839         errors.
3840         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3841         section header.  Make error messages more verbose.  Check for
3842         a non-executable section linked to an EXIDX section.
3843         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3844         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3845         check that there is no deferred EXIDX section if we exit early.
3846         Instead of not making an EXIDX section in case of an error, make one
3847         and set the has_errors flag of it.
3848         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3849         in a relocatable link.
3850         (Target_arm::do_relax): Look for the EXIDX output section instead of
3851         assuming that it is called .ARM.exidx.
3852         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3853         section list.  Do not check for SHF_EXECINSTR section flags but
3854         skip any input section with errors.
3855         * output.cc (Output_section::Output_section): Initialize
3856         always_keeps_input_sections_ to false.
3857         (Output_section::add_input_section): Check for
3858         always_keeps_input_sections_.
3859         *  output.h (Output_section::always_keeps_input_sections,
3860         Output_section::set_always_keeps_input_sections): New methods.
3861         (Output_section::always_keeps_input_sections): New data member.
3862
3863 2010-07-13  Rafael Espindola  <espindola@google.com>
3864
3865         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3866         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3867
3868 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3869             Ian Lance Taylor  <iant@google.com>
3870
3871         * output.h (Output_section_lookup_maps::add_merge_section):
3872         Correct check of whether value was inserted.
3873         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3874         (Output_section_lookup_maps::add_relaxed_input_section):
3875         Likewise.
3876         * arm.cc (Target_arm::got_section): Remove used local os.
3877         * i386.cc (Target_i386::got_section): Likewise.
3878         * x86_64.cc (Target_x86_64::got_section): Likewise.
3879         * sparc.cc (Target_sparc::got_section): Likewise.
3880         (Target_sparc::relocate): Remove unused local have_got_offset.
3881         * powerpc.cc (Target_powerpc::relocate): Likewise.
3882
3883 2010-07-13  Ian Lance Taylor  <iant@google.com>
3884
3885         * compressed_output.cc (zlib_decompress): Fix signature in
3886         !HAVE_ZLIB_H case.
3887
3888         * archive.cc (Archive::include_member): Unlock an external member
3889         of a thin archive.  Don't bother to delete an object we know is
3890         NULL.
3891
3892 2010-07-12  Cary Coutant  <ccoutant@google.com>
3893
3894         * compressed_output.cc (zlib_decompress): New function.
3895         (get_uncompressed_size): New function.
3896         (decompress_input_section): New function.
3897         * compressed_output.h (get_uncompressed_size): New function.
3898         (decompress_input_section): New function.
3899         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3900         Handle compressed debug sections.
3901         * layout.cc (is_compressed_debug_section): New function.
3902         (Layout::output_section_name): Map compressed section names to
3903         canonical names.
3904         * layout.h (is_compressed_debug_section): New function.
3905         (is_debug_info_section): Recognize compressed debug sections.
3906         * merge.cc: Include compressed_output.h.
3907         (Output_merge_data::do_add_input_section): Handle compressed
3908         debug sections.
3909         (Output_merge_string::do_add_input_section): Handle compressed
3910         debug sections.
3911         * object.cc: Include compressed_output.h.
3912         (Sized_relobj::Sized_relobj): Initialize new data members.
3913         (build_compressed_section_map): New function.
3914         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3915         * object.h (Object::section_is_compressed): New method.
3916         (Object::do_section_is_compressed): New method.
3917         (Sized_relobj::Compressed_section_map): New type.
3918         (Sized_relobj::do_section_is_compressed): New method.
3919         (Sized_relobj::compressed_sections_): New data member.
3920         * output.cc (Output_section::add_input_section): Handle compressed
3921         debug sections.
3922         * reloc.cc: Include compressed_output.h.
3923         (Sized_relobj::write_sections): Handle compressed debug sections.
3924
3925 2010-07-08  Cary Coutant  <ccoutant@google.com>
3926
3927         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3928         weak when resolving to a dynamic def.
3929         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3930         for weak undef/dynamic def cases. Adjust callers.
3931         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3932         undef_binding_weak_.
3933         (Symbol_table::sized_write_globals): Adjust symbol binding.
3934         (Symbol_table::sized_write_symbol): Add binding parameter.
3935         * symtab.h (Symbol::set_undef_binding): New method.
3936         (Symbol::is_undef_binding_weak): New method.
3937         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3938         (Symbol_table::should_override): Add new parameter.
3939         (Symbol_table::sized_write_symbol): Add new parameter.
3940
3941         * testsuite/weak_undef_file1.cc: Add new test case.
3942         * testsuite/weak_undef_file2.cc: Fix header comment.
3943         * testsuite/weak_undef_test.cc: Add new test case.
3944
3945 2010-06-29  Doug Kwan  <dougkwan@google.com>
3946
3947         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3948         Initialize USE_SYMBOL_.
3949         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3950         definition.
3951         (Arm_reloc_property::uses_symbol_): New data member declaration.
3952         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3953         uses symbol value and symbol is undefined but not weakly undefined.
3954
3955 2010-06-28  Rafael Espindola  <espindola@google.com>
3956
3957         * plugin.cc (Plugin::load): Use dlerror.
3958
3959 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3960
3961         * symtab.cc (detect_odr_violations): When reporting an ODR
3962         violation, report an object where the symbol is defined.
3963
3964 2010-06-25  Doug Kwan  <dougkwan@google.com>
3965
3966         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3967         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3968         definition.
3969         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3970         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3971         target hook to detect function points.
3972         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3973         * icf.h (Icf::check_section_for_function_pointers): Change type of
3974         parameter SECTION_NAME to const reference to std::string.  Use
3975         target hook to determine if section may have unsafe pointers.
3976         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3977         method definition.
3978
3979 2010-06-21  Rafael Espindola  <espindola@google.com>
3980
3981         * fileread.cc (Input_file::find_fie): New
3982         (Input_file::open): Use Input_file::find_fie.
3983         * fileread.h (Input_file::find_fie): New
3984         * plugin.cc (set_extra_library_path): New.
3985         (Plugin::load): Add set_extra_library_path to the transfer vector.
3986         (Plugin_manager::set_extra_library_path): New.
3987         (Plugin_manager::add_input_file): Use the extra search path if set.
3988         (set_extra_library_path(): New.
3989         * plugin.h (Plugin_manager): Add set_extra_library_path and
3990         extra_search_path_.
3991
3992 2010-06-19  Cary Coutant  <ccoutant@google.com>
3993
3994         * layout.cc (gdb_sections): Add .debug_types.
3995         (lines_only_debug_sections): Likewise.
3996
3997 2010-06-18  Rafael Espindola  <espindola@google.com>
3998
3999         * plugin.cc (add_input_file,add_input_library)
4000         (Plugin_manager::add_input_file): Make filename arguments const.
4001         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4002         const.
4003
4004 2010-06-16  Doug Kwan  <dougkwan@google.com>
4005
4006         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4007         .ARM.attributes section if we have not merged any input
4008         attributes sections.
4009
4010 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4011
4012         * arm.cc: Allow combining objects with no EABI version
4013         information.
4014
4015 2010-06-15  Rafael Espindola  <espindola@google.com>
4016
4017         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4018
4019 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4020
4021         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4022         (struct iovec): Correct !HAVE_READV definition.
4023
4024 2010-06-10  Cary Coutant  <ccoutant@google.com>
4025
4026         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4027         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4028         reloc sections.
4029         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4030
4031         PR 11683
4032         * symtab.h (Symbol::is_placeholder): New member function.
4033         * target-reloc.h (relocate_section): Check for placeholder symbols.
4034
4035         * testsuite/Makefile.am (plugin_test_8): New test.
4036         (plugin_test_9): New test.
4037         * testsuite/Makefile.in: Regenerate.
4038
4039 2010-06-09  Nick Clifton  <nickc@redhat.com>
4040
4041         * yyscript.y (input_list_element): Allow strings prefixed with
4042         the '-' character.  Treat these as libraries.
4043         * script.cc (script_add_library): New function.  Adds a library
4044         specified by "-l<name>" found in an input script.
4045         * script-c.h: Add prototype for script_add_library.
4046
4047 2010-06-07  Doug Kwan  <dougkwan@google.com>
4048
4049         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4050         Restrict stub-group size to be within long conditional branch
4051         range when working around cortex-A8 erratum.
4052
4053 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4054
4055         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4056         #ifdef typo.
4057
4058 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4059
4060         PR gold/11658
4061         * output.cc
4062         (Output_section::Input_section_sort_entry::compare_section_ordering):
4063         Change to return non-zero correctly.
4064         (Output_section::Input_section_sort_section_order_index_compare
4065         ::operator()): Change to fix ambiguity in comparisons.
4066
4067 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4068
4069         * gold.h (is_wildcard_string): New function.
4070         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4071         (Layout::layout_eh_frame): Ditto.
4072         (Layout::find_section_order_index): New method.
4073         (Layout::read_layout_from_file): New method.
4074         * layout.h (Layout::find_section_order_index): New method.
4075         (Layout::read_layout_from_file): New method.
4076         (Layout::input_section_position_): New private member.
4077         (Layout::input_section_glob_): New private member.
4078         * main.cc (main): Call read_layout_from_file here.
4079         * options.h (--section-ordering-file): New option.
4080         * output.cc (Output_section::input_section_order_specified_): New
4081         member.
4082         (Output_section::Output_section): Initialize new member.
4083         (Output_section::add_input_section): Add new parameter.
4084         Keep input sections when --section-ordering-file is used.
4085         (Output_section::set_final_data_size): Sort input sections when
4086         section ordering file is specified.
4087         (Output_section::Input_section_sort_entry): Add new parameter.
4088         Check sorting type.
4089         (Output_section::Input_section_sort_entry::compare_section_ordering):
4090         New method.
4091         (Output_section::Input_section_sort_compare::operator()): Change to
4092         consider section_order_index.
4093         (Output_section::Input_section_sort_init_fini_compare::operator()):
4094         Change to consider section_order_index.
4095         (Output_section::Input_section_sort_section_order_index_compare
4096         ::operator()): New method.
4097         (Output_section::sort_attached_input_sections): Change to sort
4098         according to section order when specified.
4099         (Output_section::add_input_section<32, true>): Add new parameter.
4100         (Output_section::add_input_section<64, true>): Add new parameter.
4101         (Output_section::add_input_section<32, false>): Add new parameter.
4102         (Output_section::add_input_section<64, false>): Add new parameter.
4103         * output.h (Output_section::add_input_section): Add new parameter.
4104         (Output_section::input_section_order_specified): New
4105         method.
4106         (Output_section::set_input_section_order_specified): New method.
4107         (Input_section::Input_section): Initialize section_order_index_.
4108         (Input_section::section_order_index): New method.
4109         (Input_section::set_section_order_index): New method.
4110         (Input_section::section_order_index_): New member.
4111         (Input_section::Input_section_sort_section_order_index_compare): New
4112         struct.
4113         (Output_section::input_section_order_specified_): New member.
4114         * script-sections.cc (is_wildcard_string): Delete and move modified
4115         method to gold.h.
4116         (Output_section_element_input::Output_section_element_input): Modify
4117         call to is_wildcard_string.
4118         (Output_section_element_input::Input_section_pattern
4119         ::Input_section_pattern): Ditto.
4120         (Output_section_element_input::Output_section_element_input): Ditto.
4121         * testsuite/Makefile.am (final_layout): New test case.
4122         * testsuite/Makefile.in: Regenerate.
4123         * testsuite/final_layout.cc: New file.
4124         * testsuite/final_layout.sh: New file.
4125
4126 2010-06-01  Rafael Espindola  <espindola@google.com>
4127
4128         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4129
4130 2010-06-01  Rafael Espindola  <espindola@google.com>
4131
4132         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4133         visibility of symbols.
4134
4135 2010-05-27  Doug Kwan  <dougkwan@google.com>
4136
4137         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4138         from start of output section instead of address for a local symbol
4139         in a merged or relaxed section when doing a relocatable link.
4140
4141 2010-05-26  Rafael Espindola  <espindola@google.com>
4142
4143        PR 11604
4144         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4145         adding sections the garbage collector removed.
4146         * gold/testsuite/Makefile.am: Add test.
4147         * gold/testsuite/Makefile.in: Regenerate.
4148         * gold/testsuite/plugin_test_7.sh: New.
4149         * gold/testsuite/plugin_test_7_1.c: New.
4150         * gold/testsuite/plugin_test_7_2.c: New.
4151
4152 2010-05-26  Rafael Espindola  <espindola@google.com>
4153
4154         * script-sections.cc (Output_section_definition::set_section_addresses):
4155         Check for --section-start.
4156
4157 2010-05-26  Doug Kwan  <dougkwan@google.com>
4158
4159         * arm.cc (Arm_scan_relocatable_relocs): New class.
4160         (Target_arm::relocate_special_relocatable): New method.
4161         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4162         (Arm_relocate_functions::thumb_branch_common): Same.
4163         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4164         instead of Default_scan_relocatable_relocs.
4165         * target-reloc.h (relocate_for_relocatable): Let target handle
4166         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4167         * target.h (Sized_target::relocate_special_relocatable): New method.
4168
4169 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4170
4171         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4172
4173 2010-05-23  Doug Kwan  <dougkwan@google.com>
4174
4175         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4176         instead of a cast.
4177         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4178         with a direct branch, not a conditional branch, to a stub.
4179         * merge.cc (Output_merge_base::record_input_section): New method
4180         defintion.
4181         (Output_merge_data::do_add_input_section): Record input section if
4182         keeps-input-sections flag is set.
4183         (Output_merge_string::do_add_input_section): Ditto.
4184         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4185         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4186         INPUT_SECTIONS_.
4187         (Output_merge_base::keeps_input_sections,
4188         Output_merge_base::set_keeps_input_sections,
4189         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4190         method definitions.
4191         (Output_merge_base::Input_sections): New type declaration.
4192         (Output_merge_base::input_sections_begin,
4193         Output_merge_base::input_sections_end,
4194         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4195         (Output_merge_base::bool keeps_input_sections_,
4196         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4197         Output_merge_base::input_sections_): New data members.
4198         (Output_merge_data::do_set_keeps_input_sections): New method
4199         defintion.
4200         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4201         * output.cc (Output_section::Input_section::relobj): Move method
4202         defintion from class declaration to here and handle merge sections.
4203         (Output_section::Input_section::shndx): Ditto.
4204         (Output_section::Output_section): Remove initializations of removed
4205         data members and initialize new data member LOOKUP_MAPS_.
4206         (Output_section::add_input_section): Set keeps-input-sections flag
4207         for a newly created merge output section as appropriate.  Adjust code
4208         to use Output_section_lookup_maps class.
4209         (Output_section::add_relaxed_input_section): Adjst code for lookup
4210         maps code refactoring.
4211         (Output_section::add_merge_input_section): Add a new parameter
4212         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4213         class.  If adding input section to a newly created merge output
4214         section fails, remove the new merge section.
4215         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4216         Adjust code for use of the Output_section_lookup_maps class.
4217         (Output_section::find_merge_section): Ditto.
4218         (Output_section::build_lookup_maps): New method defintion.
4219         (Output_section::find_relaxed_input_section): Adjust code to use
4220         Output_section_lookup_maps class.
4221         (Output_section::get_input_sections): Export merge sections.  Adjust
4222         code to use Output_section_lookup_maps class.
4223         (Output_section:::add_script_input_section): Adjust code to use
4224         Output_section_lookup_maps class.  Update lookup maps for merge
4225         sections also.
4226         (Output_section::discard_states): Use Output_section_lookup_maps.
4227         (Output_section::restore_states): Same.
4228         * output.h (Merge_section_properties): Move class defintion out of
4229         Output_section.
4230         (Output_section_lookup_maps): New class.
4231         (Output_section::Input_section::is_merge_section): New method
4232         defintion.
4233         (Output_section::Input_section::relobj): Move defintion out of class
4234         defintion.  Declare method only.
4235         (Output_section::Input_section::shndx): Ditto.
4236         (Output_section::Input_section::output_merge_base): New method defintion.
4237         (Output_section::Input_section::u2_.pomb): New union field.
4238         (Output_section::Merge_section_by_properties_map,
4239         Output_section::Output_section_data_by_input_section_map,
4240         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4241         Remove types.
4242         (Output_section::add_merge_input_section): Add new parameter
4243         KEEPS_INPUT_SECTIONS.
4244         (Output_section::build_lookup_maps): New method declaration.
4245         (Output_section::merge_section_map_,
4246         Output_section::merge_section_by_properties_map_,
4247         Output_section::relaxed_input_section_map_,
4248         Output_section::is_relaxed_input_section_map_valid_): Remove data
4249         members.
4250         (Output_section::lookup_maps_): New data member.
4251
4252 2010-05-21  Doug Kwan  <dougkwan@google.com>
4253
4254         PR gold/11619
4255         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4256         avoid a compilation error.
4257
4258 2010-05-19  Rafael Espindola  <espindola@google.com>
4259
4260         * script-sections.cc (Output_section_definition::allocate_to_segment):
4261         Update the phdrs_list even when the output section is NULL.
4262         * testsuite/Makefile.am: Add test.
4263         * testsuite/Makefile.in: Regenerate.
4264         * testsuite/script_test_9.cc: New.
4265         * testsuite/script_test_9.sh: New.
4266         * testsuite/script_test_9.t: New.
4267
4268 2010-05-19  Doug Kwan  <dougkwan@google.com>
4269
4270         * arm.cc (Arm_input_section::original_size): New method.
4271         (Arm_input_section::do_addralign): Add a cast.
4272         (Arm_input_section::do_output_offset): Remove static cast.
4273         (Arm_input_section::original_addralign,
4274          Arm_input_section::original_size_): Change type to uint32_t.
4275         (Arm_input_section::init): Add safe casts for section alignment
4276         and size.
4277         (Arm_input_section::set_final_data_size): Do not set address and
4278         offset of stub table.
4279         (Arm_output_section::fix_exidx_coverage): Change use of of
4280         Output_section::Simple_input_section to that of
4281         Output_section::Input_section.
4282         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4283         except for the first pass.
4284         * output.cc (Output_section::get_input_sections): Change type of
4285         input_sections to std::list<Input_section>.
4286         (Output_section::add_script_input_section): Rename from
4287         Output_section::add_simple_input_section.  Change type of SIS
4288         parameter from Simple_input_section to Input_section.
4289         * output.h (Output_section::Simple_input_section): Remove class.
4290         (Output_section::Input_section): Change class visibility to public.
4291         (Output_section::Input_section::addralign): Use stored alignments
4292         for special input sections if set.
4293         (Output_section::Input_section::set_addralign): New method.
4294         (Output_section::get_input_sections): Change parameter type from
4295         list of Simple_input_section to list of Input_section.
4296         (Output_section::add_script_input_section): Rename from
4297         Output_section::add_simple_input_section. Change first parameter's
4298         type from Simple_input_section to Input_section and remove the
4299         second and third parameters.
4300         * script-sections.cc (Input_section::Input_section_list): Change
4301         type to list of Output_section::Input_section/
4302         (Input_section_info::Input_section_info): Change parameter type of
4303         INPUT_SECTION to Output_section::Input_section.
4304         (Input_section_info::input_section): Change return type.
4305         (Input_section_info::input_section_): Change type to
4306         Output_section::Input_section.
4307         (Output_section_element_input::set_section_addresses): Adjust code
4308         to use Output_section::Input_section instead of
4309         Output_section::Simple_input_section.  Adjust code for renaming
4310         of Output_section::add_simple_input_section.
4311         (Orphan_output_section::set_section_addresses): Ditto.
4312
4313 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4314
4315         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4316         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4317
4318 2010-05-18  Rafael Espindola  <espindola@google.com>
4319
4320         * options.cc (General_options::finalize): Handle -nostdlib.
4321         * options.h (nostdlib): New option.
4322         * script.cc (script_add_search_dir): Handle -nostdlib.
4323
4324 2010-05-12  Doug Kwan  <dougkwan@google.com>
4325
4326         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4327         attributes section only if there no attributes section after merging.
4328         (Target_arm::merge_object_attributes): Move value of
4329         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4330         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4331         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4332         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4333         and arm_attr_merge_7.stdout.
4334         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4335         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4336         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4337         arm_attr_merge_7b.o): New rules.
4338         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4339         arm_attr_merge_7
4340         * testsuite/Makefile.in: Regenerate.
4341         * testsuite/arm_attr_merge.sh: New file.
4342         * testsuite/arm_attr_merge_[67][ab].s: Same.
4343
4344 2010-05-05  Nick Clifton  <nickc@redhat.com>
4345
4346         * po/es.po: Updated Spanish translation.
4347
4348 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4349
4350         * Makefile.am (install-exec-local): Properly install gold as
4351         default cross linker.
4352         * Makefile.in: Regenerated.
4353
4354 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4355             Nick Clifton  <nickc@redhat.com>
4356
4357         * configure.ac (install_as_default): Define and set to false
4358         unless --enable-gold or --enable-gold=both/gold has been
4359         specified.
4360         * configure: Regenerate.
4361
4362         * Makefile.am (install-exec-local): Install the executable as
4363         'ld.gold'.  If install_as_default is true then also install it as
4364         'ld'.
4365         * Makefile.in: Regenerated.
4366
4367 2010-04-24  Ian Lance Taylor  <iant@google.com>
4368
4369         * layout.cc (Layout::layout_reloc): In relocatable link don't
4370         combine reloc sections for grouped sections.
4371
4372 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4373
4374         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4375         sections that are not ordinary to icf.
4376         * icf.cc (get_section_contents): Handle relocation pointing to section
4377         with no object or shndx information.
4378         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4379         * testsuite/Makefile.in: Regenerate.
4380         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4381         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4382
4383 2010-04-22  Ian Lance Taylor  <iant@google.com>
4384
4385         * expression.cc (Expression::Expression_eval_info): Add
4386         result_alignment_pointer field.
4387         (Expression::eval_with_dot): Add result_alignment_pointer
4388         parameter.  Change all callers.
4389         (Expression::eval_maybe_dot): Likewise.
4390         (class Binary_expression): Add alignment_pointer parameter to
4391         left_value and right_value.  Change all callers.
4392         (BINARY_EXPRESSION): Set result alignment.
4393         (class Trinary_expression): Add alignment_pointer parameter to
4394         arg2_value and arg3_value.  Change all callers.
4395         (Trinary_cond::value): Set result alignment.
4396         (Max_expression::value, Min_expression::value): Likewise.
4397         (Align_expression::value): Likewise.
4398         * script-sections.cc (class Sections_element): Add dot_alignment
4399         parameter to set_section_addresses virtual function.  Update
4400         instantiations.
4401         (class Output_section_element): Likewise.
4402         (Script_sections::create_segments): Add dot_alignment parameter.
4403         Change all callers.
4404         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4405         (Script_sections::set_phdrs_clause_addresses): Likewise.
4406         * script-sections.h: Update declarations.
4407         * script.h: Update declarations.
4408         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4409         min_p_align.
4410         * testsuite/script_test_3.t: Set large alignment.
4411         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4412         segment has expected alignment.
4413
4414 2010-04-22  Nick Clifton  <nickc@redhat.com>
4415
4416         * po/gold.pot: Updated by the Translation project.
4417         * po/vi.po: Updated Vietnamese translation.
4418
4419 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4420
4421         * testsuite/Makefile.am (check_PROGRAMS): Add
4422         icf_virtual_function_folding_test.
4423         * testsuite/Makefile.in: Regenerated.
4424
4425 2010-04-15  Andrew Haley  <aph@redhat.com>
4426
4427         * options.h (merge_exidx_entries): New option.
4428         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4429         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4430         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4431         (Target_arm::merge_exidx_entries): New function.
4432         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4433         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4434         to Arm_exidx_fixup constructor.
4435         Add new arg, merge_exidx_entries.
4436         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4437         Arm_output_section::fix_exidx_coverage.
4438
4439 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4440
4441         * icf.cc (get_section_contents): Check for preemptible functions.
4442         Ignore addend when appropriate.
4443         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4444         section folded.
4445         (add_from_relobj): Check for section folded.
4446         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4447         * symtab.h (should_add_dynsym_entry): Add new parameter.
4448         * target-reloc.h (scan_relocs): Check for section folded.
4449         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4450         Check reloc types for function pointers in shared objects.
4451         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4452         case.
4453         (icf_preemptible_functions_test): New test case.
4454         (icf_string_merge_test): New test case.
4455         * testsuite.Makefile.in: Regenerate.
4456         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4457         bar_glob.  Refactor code.
4458         * testsuite/icf_preemptible_functions_test.cc: New file.
4459         * testsuite/icf_preemptible_functions_test.sh: New file.
4460         * testsuite/icf_string_merge_test.cc: New file.
4461         * testsuite/icf_string_merge_test.sh: New file.
4462         * testsuite/icf_virtual_function_folding_test.cc: New file.
4463         * testsuite/icf_virtual_function_folding_test.sh: New file.
4464
4465 2010-04-14  Doug Kwan  <dougkwan@google.com>
4466
4467         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4468         for local symbol recounting if we remove a section due to ICF.
4469         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4470         there are no regular objects in input.
4471
4472 2010-04-13  Doug Kwan  <dougkwan@google.com>
4473
4474         * arm.cc (Arm_input_section::set_final_data_size): Compute
4475         accurate final data size instead of using current data size.
4476
4477 2010-04-09  Doug Kwan  <dougkwan@google.com>
4478
4479         * layout.cc (Layout::choose_output_section): Handle script section
4480         types.
4481         (Layout::make_output_section_for_script): Add section type parameter.
4482         Handle script section types.
4483         * layout.h (Layout::make_output_section_for_script): Add section
4484         type parameter.
4485         * output.cc (Output_section::Output_section): Initialize data member
4486         is_noload_.
4487         (Output_section::do_reset_address_and_file_offset): Do not set address
4488         to 0 if section is a NOLOAD section.
4489         * output.h (Output_section::is_noload): New method.
4490         (Output_section::set_is_noload): Ditto.
4491         (Output_section::is_noload_): New data member.
4492         * script-c.h (Script_section_type): New enum type.
4493         (struct Parser_output_section_header): Add new file section_type.
4494         * script-sections.cc (Sections_element::output_section_name): Add
4495         parameter for returning script section type.
4496         (Output_section_definition::output_section_name): Ditto.
4497         (Output_section_definition::section_type)P; New method.
4498         (Output_section_definiton::script_section_type_name): Ditto.
4499         (Output_section_definition::script_section_type_): New data member.
4500         (Output_section_definition::Output_section_definition): Initialize
4501         data member Output_section_definition::script_section_type_.
4502         (Output_section_definition::create_sections): Pass script section type
4503         to Layout::make_output_section_for_script.
4504         (Output_section_definition::output_section_name): Return script
4505         section type to caller.
4506         (Output_section_definition::set_section_address): Do not advance
4507         dot value and load address if section type is NOLOAD.  Set address
4508         of NOLOAD sections regardless of section flags.
4509         (Output_section_definition::print): Print section type if it is
4510         not SCRIPT_SECTION_TYPE_NONE.
4511         (Output_section_definition::section_type): New method.
4512         (Output_section_definition::script_section_type_name): Ditto.
4513         (Script_sections::output_section_name): Add new parameter
4514         PSECTION_TYPE for returning script section type.  Pass it to
4515         section elements.  Handle discard sections.
4516         (Sort_output_sections::operator()): Handle NOLOAD sections.
4517         * script-sections.h (Script_sections::Section_type): New enum type.
4518         (Script_sections::output_section_name): Add a new parameter for
4519         returning script section type.
4520         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4521         INFO and NOLOAD.
4522         * yyscript.y (union): Add new field SECTION_TYPE.
4523         (COPY, DSECT, INFO, NOLOAD): New tokens.
4524         (opt_address_and_section_type): Change type to output_section_header.
4525         (section_type): New non-terminal
4526         (section_header): Handle section type.
4527         (opt_address_and_section_type): Return section type value.
4528
4529 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4530
4531         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4532         * testsuite/plugin_common_test_2.c (foo): Likewise.
4533
4534 2010-04-08  Doug Kwan  <dougkwan@google.com>
4535
4536         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4537         Output_merge_data.
4538         * output.cc (Output_section::add_merge_input_section): Simplify
4539         code and return status of Output_merge_base::add_input_section.
4540         Update merge section map only if Output_merge_base::add_input_section
4541         returns true.
4542
4543 2010-04-07  Doug Kwan  <dougkwan@google.com>
4544
4545         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4546         if section is marked as containing instructions but has no mapping
4547         symbols.
4548         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4549         correct section index.
4550         (Arm_relobj::find_linked_text_section): Ditto.
4551
4552 2010-04-07  Cary Coutant  <ccoutant@google.com>
4553
4554         * archive.cc (include_member): Destroy Read_symbols_data object before
4555         releasing file.
4556         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4557         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4558         (Read_symbols_data::~Read_symbols_data) New destructor.
4559         (Section_relocs::Section_relocs) New constructor.
4560         (Section_relocs::~Section_relocs) New destructor.
4561         (Read_relocs_data::Read_relocs_data) New constructor.
4562         (Read_relocs_data::~Read_relocs_data) New destructor.
4563         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4564         pointers to NULL after deleting.
4565
4566 2010-04-07  Doug Kwan  <dougkwan@google.com>
4567
4568         * arm.cc: Replace "endianity" with "endianness" in comments.
4569         (Arm_exidx_cantunwind): Ditto.
4570         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4571         (Arm_relobj::merge_flags_and_attributes): New method.
4572         (Arm_relobj::merge_flags_and_attributes_): New data member.
4573         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4574         (Arm_relobj::scan_sections_for_stubs): Ditto.
4575         (Arm_relobj::do_read_symbols): Check to see if we really want to
4576         merge processor-specific flags and attributes.  Exit early if
4577         an object is empty except for section names and the undefined symbol.
4578         (Target_arm::do_finalize_sections): Move check for ELF format to
4579         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4580         attributes from a regular object only when we have determined that
4581         it is aapropriate.  Do not create an .ARM.attributes section in
4582         output if there is no regular input object.
4583         (Target_arm::merge_processor_specific_flags): Check
4584         --warn-mismatch before printing any error.
4585         (Target_arm::merge_object_attributes): Ditto.
4586         * gold.cc (queue_middle_tasks): Handle the case in which there is
4587         no regular object in input.
4588         * options.cc (General_options::parse_EB): New method.
4589         (General_options::parse_EL): Same.
4590         (General_options::General_options): Initialize endianness_.
4591         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4592         New options.
4593         (General_options::Endianness): New enum.
4594         (General_options::endianness): New method.
4595         (General_options::endianness_): New data member.
4596         * parameters.cc (Parameters::set_options): Check target endianness.
4597         (Parameters::set_target_once): Ditto.
4598         (Parameters::check_target_endianness): New method.
4599         (parameters_force_valid_target): If either -EL or -EB is specified,
4600         use it to define endianness of default target.
4601         * parameters.h (Parameters::check_target_endianness): New method
4602         declaration.
4603         * target.h (class Target): Change "endianity" to "endianness"
4604         in comments.
4605
4606 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4607
4608         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4609         * configure: Regenerate.
4610         * Makefile.in: Regenerate.
4611         * testsuite/Makefile.in: Regenerate.
4612
4613 2010-04-06  Cary Coutant  <ccoutant@google.com>
4614
4615         gcc PR lto/42757
4616         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4617         prevailing definitions of common symbols.
4618         * testsuite/plugin_test_6.sh: New test case.
4619         * testsuite/plugin_common_test_1.c: New test case.
4620         * testsuite/plugin_common_test_2.c: New test case.
4621         * testsuite/Makefile.am (plugin_test_6): New test case.
4622         * testsuite/Makefile.in: Regenerate.
4623
4624 2010-04-06  Nick Clifton  <nickc@redhat.com>
4625
4626         * po/vi.po: New Vietnamese translation.
4627
4628 2010-03-30  Doug Kwan  <dougkwan@google.com>
4629
4630         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4631
4632 2010-03-25  Doug Kwan  <dougkwan@google.com>
4633
4634         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4635         to avoid a conversion warning on a 32-bit host.
4636
4637 2010-03-24  Ian Lance Taylor  <iant@google.com>
4638
4639         * testsuite/script_test_3.t: Add a TLS segment.
4640         * testsuite/Makefile.am (check_PROGRAMS): Add
4641         tls_phdrs_script_test.
4642         (tls_phdrs_script_test_SOURCES): Define.
4643         (tls_phdrs_script_test_DEPENDENCIES): Define.
4644         (tls_phdrs_script_test_LDFLAGS): Define.
4645         (tls_phdrs_script_test_LDADD): Define.
4646         * testsuite/Makefile.in: Rebuild.
4647
4648 2010-03-23  Cary Coutant  <ccoutant@google.com>
4649
4650         * fileread.cc (find_or_make_view): Fix comment.
4651
4652 2010-03-23  Ian Lance Taylor  <iant@google.com>
4653
4654         * script-sections.cc (class Orphan_section_placement): Define
4655         PLACE_TLS and PLACE_TLS_BSS.
4656         (Orphan_section_placement::Orphan_section_placement): Initialize
4657         new places.
4658         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4659         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4660         (tls_script_test_SOURCES): Define.
4661         (tls_script_test_DEPENDENCIES): Define.
4662         (tls_script_test_LDFLAGS): Define.
4663         (tls_script_test_LDADD): Define.
4664         * testsuite/Makefile.in: Rebuild.
4665
4666 2010-03-22  Doug Kwan  <dougkwan@google.com>
4667
4668         * arm.cc (Arm_relocate_functions::abs8,
4669         Arm_relocate_functions::abs16): Use correct check for overflow
4670         specified in the ARM ELF specs.
4671         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4672         target of a BLX instruction specially.
4673         (Reloc_stub::stub_type_for_reloc): Ditto.
4674         (Relocate::relocate): Use symbolic names instead of numeric relocation
4675         codes to report error.
4676         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4677         workaround.
4678         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4679         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4680         thumb2_blx_out_of_range.stdout
4681         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4682         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4683         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4684         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4685         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4686         thumb2_blx_in_range, thumb2_blx_in_range.o,
4687         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4688         thumb2_blx_out_of_range.o): New rules.
4689         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4690         thumb2_blx_in_range and thumb2_blx_out_of_range.
4691         * testsuite/Makefile.in: Regenerate.
4692         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4693         * testsuite/thumb_blx_in_range.s: New file.
4694         * testsuite/thumb_blx_out_of_range.s: New file.
4695
4696 2010-03-22  Rafael Espindola  <espindola@google.com>
4697
4698         * archive.cc (Should_include): Move to archive.h.
4699         (should_include_member): Make it a member of Archive.
4700         (Lib_group): New.
4701         (Add_lib_group_symbols): New.
4702         * archive.h: Include options.h.
4703         (Archive_member): Moved from Archive.
4704         (Should_include): Moved from archive.cc.
4705         (Lib_group): New.
4706         (Add_lib_group_symbols): New.
4707         * dynobj.cc (do_should_include_member): New.
4708         * dynobj.h (do_should_include_member): New.
4709         * gold.cc (queue_initial_tasks): Update call to queue.
4710         * main.cc (main): Print lib group stats.
4711         * object.cc (do_should_include_member): New.
4712         * object.h: Include archive.h.
4713         (Object::should_include_member): New.
4714         (Object::do_should_include_member): New.
4715         (Sized_relobj::do_should_include_member): New.
4716         * options.cc (General_options::parse_start_lib): New.
4717         (General_options::parse_end_lib): New.
4718         (Input_arguments::add_file): Handle lib groups.
4719         (Input_arguments::start_group): Check we are not in a lib.
4720         (Input_arguments::start_lib): New.
4721         (Input_arguments::end_lib): New.
4722         * options.h (General_options): Add start_lib and end_lib.
4723         (Input_argument::lib_): New.
4724         (Input_argument::lib): New.
4725         (Input_argument::is_lib): New.
4726         (Input_file_lib): New.
4727         (Input_arguments::in_lib_): New.
4728         (Input_arguments::in_lib): New.
4729         (Input_arguments::start_lib): New.
4730         (Input_arguments::end_lib_): New.
4731         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4732         in unused members as preempted.
4733         (Sized_pluginobj::do_should_include_member): New.
4734         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4735         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4736         return the blocker.
4737         (Read_symbols::do_whole_lib_group): New.
4738         (Read_symbols::do_lib_group): New.
4739         (Read_symbols::do_read_symbols): Handle lib groups.
4740         (Read_symbols::get_name): Handle lib groups.
4741         * readsyms.h (Read_symbols): Add an archive member pointer.
4742         (Read_symbols::do_whole_lib_group): New.
4743         (Read_symbols::do_lib_group): New.
4744         (Read_symbols::member_): New.
4745         * script.cc (read_input_script): Update call to queue_soon.
4746
4747 2010-03-19  Doug Kwan  <dougkwan@google.com>
4748
4749         * arm.cc (Stub_table::Stub_table): Initialize new data members
4750         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4751         (Stub_table::add_reloc_stub): Assign stub offset and update
4752         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4753         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4754         New data members.
4755         (Stub_table::update_data_size_and_addralign): Use
4756         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4757         instead of going over all reloc stubs.
4758         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4759         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4760         Stringpool_template::offset_ to size of Stringpool_char.
4761         (Stringpool_template::new_key_offset): Remove code to initialize
4762         Stringpool_template::offset_.
4763         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4764         Stringpool_template::offset_ to zero.
4765
4766 2010-03-15  Doug Kwan  <dougkwan@google.com>
4767
4768         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4769         offset_.
4770         (Stringpool_template::new_key_offset): New method.
4771         (Stringpool_template::add_string): Assign offsets when adding new
4772         strings.
4773         (Stringpool_template::set_string_offsets): Do not set string offsets
4774         when not optimizing.
4775         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4776         member size_.
4777         (Chunked_vector::clear): Clear size_.
4778         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4779         (Chunked_vector::size): Return size_.
4780         (Chunked_vector::push_back): Use size_ to find insert position.
4781         (Chunked_vector::size_): New data member.
4782         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4783         (Stringpool_template::new_key_offset): New method declaration.
4784         (Stringpool_template::offset_): New data member.
4785
4786 2010-03-15   Rafael Espindola  <espindola@google.com>
4787
4788         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4789         Add_symbols' constructor.
4790         * readsyms.h (Add_symbols): Remove the input_group member.
4791
4792 2010-03-10  Ian Lance Taylor  <iant@google.com>
4793
4794         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4795         target to ask whether a reference to a symbol requires a stack
4796         split.
4797         * target.h (Target::is_call_to_non_split): New function.
4798         (Target::do_is_call_to_non_split): Declare virtual function.
4799         * target.cc: Include "symtab.h".
4800         (Target::do_is_call_to_non_split): New function.
4801         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4802
4803 2010-03-10  Cary Coutant  <ccoutant@google.com>
4804
4805         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4806         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4807         (File_read::open[2]): Add whole_file_view_ to list of views.
4808         (File_read::make_view): Remove test of whole_file_view_.
4809         (File_read::find_or_make_view): Create whole_file_view_ if
4810         necessary.
4811         (File_read::clear_views): Replace bool parameter with enum;
4812         adjust all callers.  Don't delete views with permanent data;
4813         do delete cached views and views from archives if
4814         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4815         if clearing the corresponding view.
4816         * fileread.h (File_read::Clear_views_mode): New enum.
4817         (File_read::View::is_permanent_view): New method.
4818         (File_read::clear_views): Replace bool parameter
4819         with enum; adjust all callers.
4820         * options.h (General_options): Change keep_files_mapped option;
4821         add map_whole_files.
4822         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4823         releasing the file.
4824         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4825         the file.
4826
4827 2010-03-10  David S. Miller  <davem@davemloft.net>
4828
4829         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4830
4831 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4832
4833         * icf.cc (get_section_contents): Add '@' marker after processing the
4834         merge reloc.
4835
4836 2010-03-08  Doug Kwan  <dougkwan@google.com>
4837
4838         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4839         due to a conversion warning.
4840         (Arm_relobj::update_output_local_symbol_count): Check for local
4841         symbol with unset output index.
4842
4843 2010-03-05  Ian Lance Taylor  <iant@google.com>
4844
4845         * options.h (class General_options): Add --spare-dynamic-tags.
4846         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4847         --spare-dynamic-tags.
4848
4849 2010-03-05  Ian Lance Taylor  <iant@google.com>
4850
4851         * incremental.cc: Include "libiberty.h".
4852
4853 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4854
4855         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4856         function, is_info_ member.
4857         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4858         (Versions::Versions): Update caller.
4859         (Versions::define_base_version): Likewise.
4860         (Versions::add_def): Likewise.
4861
4862 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4863
4864         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4865         (Scan::possible_function_pointer_reloc): New function.
4866         (Scan::local_reloc_may_be_function_pointer): Change to call
4867         possible_function_pointer_reloc.
4868         (Scan::global_reloc_may_be_function_pointer): Ditto.
4869         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4870         relocations in ".data.rel.ro._ZTV" section.
4871         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4872         * testsuite/icf_safe_so_test.cc: Ditto.
4873         * testsuite/icf_safe_test.cc: Ditto.
4874         * testsuite/icf_safe_test.sh: Ditto.
4875
4876 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4877             Ian Lance Taylor  <iant@google.com>
4878
4879         * target-reloc.h (relocate_section): Check the symbol table index
4880         for -1U before setting the local symbol index.
4881         (scan_relocatable_relocs): If copying the relocation, record that
4882         the local symbol is required.
4883         * object.h (Symbol_value::is_output_symtab_index_set): New
4884         function.
4885         (Symbol_value::may_be_discarded_from_output_symtab): New
4886         function.
4887         (Symbol_value::has_output_symtab_entry): New function.
4888         (Symbol_value::needs_output_symtab_entry): Remove.
4889         (Symbol_value::output_symtab_index): Make sure the symbol index is
4890         set.
4891         (Symbol_value::set_output_symtab_index): Make sure the symbol
4892         index is not set.  Make sure the new index is valid.
4893         (Symbol_value::set_must_have_output_symtab_entry): New function.
4894         (Symbol_value::has_output_dynsym_entry): New function.
4895         (Symbol_value::set_output_dynsym_index): Make sure the new index
4896         is valid.
4897         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4898         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4899         local symbol if permitted.
4900         (Sized_relobj::do_finalize_local_symbols): Call
4901         is_output_symtab_index_set rather than needs_output_symtab_entry.
4902         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4903         rather than needs_output_symtab_entry.  Call
4904         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4905         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4906         is_output_symtab_index_set rather than needs_output_symtab_entry.
4907         * testsuite/discard_locals_relocatable_test.c: New file.
4908         * testsuite/discard_locals_test.sh: Test -r.
4909         * testsuite/Makefile.am (check_DATA): Add
4910         discard_locals_relocatable_test1.syms,
4911         discard_local_relocatable_test2.syms.
4912         (MOSTLYCLEANFILES): Likewise.  Also add
4913         discard_locals_relocatable_test1.lout and
4914         discard_locals_relocatable_test2.out.
4915         (discard_locals_relocatable_test1.syms): New target.
4916         (discard_locals_relocatable_test.o): New target.
4917         (discard_locals_relocatable_test1.out): New target.
4918         (discard_locals_relocatable_test2.syms): New target.
4919         (discard_locals_relocatable_test2.out): New target.
4920         (various): Add missing ../ld-new dependencies.
4921         * testsuite/Makefile.in: Rebuild.
4922
4923 2010-03-03  Nick Clifton  <nickc@redhat.com>
4924
4925         * po/fi.po: New Finnish translation.
4926
4927 2010-03-01  Doug Kwan  <dougkwan@google.com>
4928
4929         * layout.cc (Layout::Layout): Force section types of .init_array*,
4930         .preinit_array* and .fini_array* sections.
4931         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4932         Fix check of return value of std::string::find.().
4933         (Output_section::Input_section_sort_compare::operator()): Remove
4934         comment about .init_array.
4935         (Output_section::Input_section_sort_init_fini_compare::operator()):
4936         New method.
4937         (Output_section::sort_attached_input_sections): Handle .init_array
4938         and .fini_array specially.
4939         * output.h (Output_section::Inut_section_sort_compare): Update
4940         comment.
4941         (Output_section::Input_section_sort_init_fini_compare): New struct.
4942
4943 2010-02-26  Doug Kwan  <dougkwan@google.com>
4944
4945         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4946         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4947         * testsuite/debug_msg.sh: Avoid matching source line number for
4948         use of global variable undef_int.
4949
4950 2010-02-26  Doug Kwan  <dougkwan@google.com>
4951
4952         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4953         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4954         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4955         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4956         * options.cc (General_options::General_options): Initialize member
4957         fix_v4bx_.
4958         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4959         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4960         and rm_no_fix_v4bx.stdout
4961         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4962         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4963         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4964         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4965         and arm_no_fix_v4bx.
4966         * Makefile.in: Regenerate.
4967         * testsuite/arm_fix_v4bx.s: New file.
4968         * testsuite/arm_fix_v4bx.sh: Ditto.
4969
4970 2010-02-24  Doug Kwan  <dougkwan@google.com>
4971
4972         * arm.cc (Target_arm::got_section): Make the .got section the first
4973         non RELRO section in the data segment.
4974         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4975         suffixes of section names.
4976
4977 2010-02-24  Doug Kwan  <dougkwan@google.com>
4978
4979         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4980         flags and attributes merging if an input file is a binary file.
4981         * fileread.cc (Input_file::open): Record format of original file.
4982         * fileread.h (Input_file::Format): New enum type.
4983         (Input_file::Input_file): Initialize data member format_.
4984         (Input_file::format): New method definition.
4985         (Input_file::format_):: New data member.
4986
4987 2010-02-24  Doug Kwan  <dougkwan@google.com>
4988
4989         * arm.cc (Arm_output_data_got): New class.
4990         (ARM_TCB_SIZE): New constant
4991         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4992         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4993         If user uses a script with a SECTIONS clause, issue only a warning
4994         for a misplaced EXIDX input section.  Otherwise, issue an error.
4995         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4996         garbage collection.
4997         (Target_arm::got_mode_index_entry): Handle static linking.
4998         (Target_arm::Scan::local): Ditto.
4999         (Target_arm::Scan::global): Ditto.
5000         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5001         all incorrectly implemented relocations.
5002         (Target_arm::fix_exidx_coverage): Pass layout to
5003         Arm_output_section::fix_exidx_coverage.
5004         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5005         from ".ARM.exidx." and ".ARM.extab.".
5006
5007 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5008
5009         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5010         section if it does not already exist.
5011         * attributes.cc (Attributes_section_data::Attributes_section_data):
5012         Don't crash if size is zero.
5013
5014 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5015             Ian Lance Taylor  <iant@google.com>
5016
5017         * gold.cc (queue_middle_tasks): If no input files were opened,
5018         exit.
5019         * workqueue.h (Task_function::Task_function): Assert that there is
5020         a blocker.
5021
5022 2010-02-22  Doug Kwan  <dougkwan@google.com>
5023
5024         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5025         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5026         types to avoid warnings due to different uint64_t implementations
5027         on different hosts.
5028
5029 2010-02-21  Doug Kwan  <dougkwan@google.com>
5030
5031         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5032         handling of the maximum backward branch offset.
5033         (Arm_relocate_functions::thumb_branch_common): Ditto.
5034         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5035         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5036         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5037         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5038         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5039         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5040         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5041         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5042         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5043         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5044         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5045         thumb2_bl_out_of_range.o): New rules.
5046         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5047         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5048         thumb2_bl_out_of_range
5049         * testsuite/Makefile.in: Regenerate.
5050         * testsuite/arm_bl_in_range.s: New file.
5051         * testsuite/arm_bl_out_of_range.s: Ditto.
5052         * testsuite/arm_branch_in_range.sh: Ditto.
5053         * testsuite/arm_branch_range.t: Ditto.
5054         * testsuite/thumb2_branch_range.t: Ditto.
5055         * testsuite/thumb_bl_in_range.s: Ditto.
5056         * testsuite/thumb_bl_out_of_range.s: Ditto.
5057         * testsuite/thumb_branch_range.t: Ditto.
5058
5059 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5060
5061         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5062         Add reloc offset information.
5063         * icf.cc (get_section_contents): Change iterators to point to the new
5064         vectors. Add reloc offset information to the contents.
5065         * icf.h (Icf::Sections_reachable_info): New typedef.
5066         (Icf::Sections_reachable_list): New typedef.
5067         (Icf::Offset_info): New typedef.
5068         (Icf::Reloc_info): New struct typedef.
5069         (Icf::Reloc_info_list): New typedef.
5070         (Icf::symbol_reloc_list): Delete method.
5071         (Icf::addend_reloc_list): Delete method.
5072         (Icf::section_reloc_list): Delete method.
5073         (Icf::reloc_info_list): New method.
5074         (Icf::reloc_info_list_): New member.
5075
5076 2010-02-19  Doug Kwan  <dougkwan@google.com>
5077
5078         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5079         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5080         * arm.cc (Arm_relocation_functions): New forward declaration.
5081         (Target_arm::Target_arm): Initialize new data members
5082         got_mod_index_offset_ and tls_base_symbol_defined_.
5083         (Target_arm::Relocate::relocate_tls): New method.
5084         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5085          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5086         New methods.
5087         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5088         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5089         (Target_arm::got_mod_index_offset_,
5090         Target_arm::tls_base_symbol_defined_): New data members.
5091         (Target_arm::Scan::local, Target::Scan::global,
5092         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5093         relocations.
5094
5095 2010-02-18  Doug Kwan  <dougkwan@google.com>
5096
5097         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5098         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5099         text section as a parameter becuase some broken tools may not set
5100         the link in section header.
5101         (Target_arm::has_got_section): New method.
5102         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5103         without any mapping symbol as data only.  Remove warning.
5104         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5105         link in its section header, try to discover the link by inspecting the
5106         REL31 relocation at the beginning of the section.
5107         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5108         in error message.
5109         (Target_arm::Scan::global): Treat any reference to the symbol
5110         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5111
5112 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5113
5114         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5115         (Scan::global_reloc_may_be_function_pointer): New function.
5116         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5117         (Scan::global_reloc_may_be_function_pointer): New function.
5118         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5119         (Scan::global_reloc_may_be_function_pointer): New function.
5120         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5121         (Scan::global_reloc_may_be_function_pointer): New function.
5122         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5123         (Scan::global_reloc_may_be_function_pointer): New function.
5124         (Scan::possible_function_pointer_reloc): New function.
5125         (Target_x86_64::can_check_for_function_pointers): New function.
5126         * gc.h (gc_process_relocs): Scan relocation types to determine if
5127         function pointers were taken for targets that support it.
5128         * icf.cc (Icf::find_identical_sections): Include functions for
5129         folding in safe ICF whose pointer is not taken.
5130         * icf.h (Secn_fptr_taken_set): New typedef.
5131         (fptr_section_id_): New member.
5132         (section_has_function_pointers): New function.
5133         (set_section_has_function_pointers): New function.
5134         (check_section_for_function_pointers): New function.
5135         * options.h: Fix comment for safe ICF option.
5136         * target.h (can_check_for_function_pointers): New function.
5137         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5138         Modify icf_safe_test for X86-64.
5139         * testsuite/Makefile.in: Regenerate.
5140         * testsuite/icf_safe_so_test.cc: New file.
5141         * testsuite/icf_safe_so_test.sh: New file.
5142         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5143         (main): Change to take pointer to function kept_func_3.
5144         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5145         folding is done correctly for X86-64.
5146
5147 2010-02-12  David S. Miller  <davem@davemloft.net>
5148
5149         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5150         is_symbolless parameter.
5151         (Output_reloc<SHT_REL>::is_symbolless): New.
5152         (Output_reloc<SHT_REL>::is_symbolless_): New.
5153         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5154         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5155         (Output_reloc<SHT_RELA>::is_symbolless): New.
5156         (Output_data_reloc::add_global): Handle is_symbolless.
5157         (Output_data_reloc::add_global_relative): Likewise.
5158         (Output_data_reloc::add_local): Likewise.
5159         (Output_data_reloc::add_local_relative): Likewise.
5160         (Output_data_reloc::add_symbolless_global_addend): New.
5161         (Output_data_reloc::add_symbolless_local_addend): New.
5162         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5163         is_symbolless.
5164         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5165         instead of ->is_relative_
5166         (Output_reloc::write): Likewise.
5167         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5168         (Output_reloc::write_rel): Simplify.
5169
5170         * sparc.cc (Target_sparc::Scan::local): Use
5171         ->add_symbolless_local_addend as needed.
5172         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5173         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5174         based upon relocation offset.
5175
5176 2010-02-11  Doug Kwan  <dougkwan@google.com>
5177
5178         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5179         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5180         beginning of function.
5181         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5182         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5183         parameter is_32bit in calls to should_apply_static_reloc.
5184         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5185         (check_DATA): Add arm_abs_global.stdout.
5186         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5187         arm_abs_global.stdout): New rules.
5188         (MOSTLLYCLEANFILES): Add arm_abs_global
5189         * Makefile.in: Regenerate.
5190         * testsuite/arm_abs_global.s: New file.
5191         * testsuite/arm_abs_global.sh: Ditto.
5192         * testsuite/arm_abs_lib.s: Ditto.
5193
5194 2010-02-11  Ian Lance Taylor  <iant@google.com>
5195
5196         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5197         Read_relocs task.
5198         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5199         Allocate_commons_task first.
5200         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5201         task, rather than symtab_lock_.
5202         (Gc_process_relocs::~Gc_process_relocs): New function.
5203         (Gc_process_relocs::is_runnable): Check this_blocker_.
5204         (Gc_process_relocs::locks): Use next_blocker_ rather than
5205         blocker_.
5206         (Scan_relocs::~Scan_relocs): New function.
5207         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5208         symtab_lock_.
5209         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5210         next_blocker_.
5211         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5212         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5213         constructor accordingly.
5214         (class Gc_process_relocs): Likewise.
5215         (class Scan_relocs): Likewise.
5216         * common.h (class Allocate_commons_task): Remove symtab_lock_
5217         field, and corresponding constructor parameter.
5218         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5219         symtab_lock_.
5220         (Allocate_commons_task::locks): Likewise.
5221
5222 2010-02-11  Ian Lance Taylor  <iant@google.com>
5223
5224         * gold-threads.h (class Once): Define.
5225         (class Initialize_lock): Rewrite as child of Once.
5226         * gold-threads.cc (class Once_initialize): Define.
5227         (once_pointer_control): New static variable.
5228         (once_pointer, once_arg): New static variables.
5229         (c_run_once): New static function.
5230         (Once::Once, Once::run_once, Once::internal_run): New functions.
5231         (class Initialize_lock_once): Remove.
5232         (initialize_lock_control): Remove.
5233         (initialize_lock_pointer): Remove.
5234         (initialize_lock_once): Remove.
5235         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5236         (Initialize_lock::initialize): Rewrite.
5237         (Initialize_lock::do_run_once): New function.
5238         * archive.cc (Archive::interpret_header): Only clear name if it is
5239         not already empty.
5240         * fileread.cc: Include "gold-threads.h"
5241         (file_counts_lock): New static variable.
5242         (file_counts_initialize_lock): Likewise.
5243         (File_read::release): Only increment counts when using --stats.
5244         Use a lock around the increment.
5245         * parameters.cc (class Set_parameters_target_once): Define.
5246         (set_parameters_target_once): New static variable.
5247         (Parameters::Parameters): Move here from parameters.h.
5248         (Parameters::set_target): Rewrite.
5249         (Parameters::set_target_once): New function.
5250         (Parameters::clear_target): Move here and rewrite.
5251         * parameters.h (class Parameters): Update declarations.  Add
5252         set_parameters_target_once_ field.
5253         (Parameters::Parameters): Move to parameters.cc.
5254         (Parameters::clear_target): Likewise.
5255         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5256         task.
5257         (Start_group::~Start_group): New function.
5258         (Start_group::is_runnable): New function.
5259         (Start_group::locks, Start_group::run): New functions.
5260         (Finish_group::run): Change saw_undefined to size_t.
5261         * readsyms.h (class Start_group): Define.
5262         (class Finish_group): Change saw_undefined_ field to size_t.
5263         (Finish_group::Finish_group): Remove saw_undefined and
5264         this_blocker parameters.  Change all callers.
5265         (Finish_group::set_saw_undefined): New function.
5266         (Finish_group::set_blocker): New function.
5267         * symtab.h (class Symbol_table): Change saw_undefined to return
5268         size_t.  Change saw_undefined_ field to size_t.
5269         * target-select.cc (Set_target_once::do_run_once): New function.
5270         (Target_selector::Target_selector): Initialize set_target_once_
5271         field.  Don't initialize lock_ and initialize_lock_ fields.
5272         (Target_selector::instantiate_target): Rewrite.
5273         (Target_selector::set_target): New function.
5274         * target-select.h (class Set_target_once): Define.
5275         (class Target_selector): Update declarations.  Make
5276         Set_target_once a friend.  Remove lock_ and initialize_lock_
5277         fields.  Add set_target_once_ field.
5278
5279 2010-02-10  Ian Lance Taylor  <iant@google.com>
5280
5281         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5282         queueing any tasks.
5283         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5284         (queue_middle_tasks): Add all blockers before queueing any tasks.
5285         (queue_final_tasks): Likewise.
5286         * token.h (Task_token::add_blockers): New function.
5287         * object.h (Input_objects::number_of_relobjs): New function.
5288
5289 2010-02-10  Ian Lance Taylor  <iant@google.com>
5290
5291         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5292         shared, not if not position independent.
5293         * x86_64.cc (Relocate::relocate_tls): Likewise.
5294         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5295         (tls_pie_pic_test): New target.
5296         * testsuite/Makefile.in: Rebuild.
5297
5298         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5299         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5300         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5301         * testsuite/Makefile.in: Rebuild.
5302
5303 2010-02-09  David S. Miller  <davem@davemloft.net>
5304
5305         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5306         R_SPARC_RELATIVE using ->add_local_relative().
5307         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5308
5309         * output.h (Output_data_dynamic::add_section_size): New method
5310         that takes two Output_data objects.
5311         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5312         entry param.  Handle it in initializers.
5313         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5314         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5315         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5316         arg.
5317         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5318         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5319         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5320         for dynrel_includes_plt.
5321         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5322         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5323         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5324         before .rela.plt
5325         (Target_sparc::do_finalize_sections): Update to pass true for
5326         dynrel_includes_plt.
5327         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5328         output before .rela.plt
5329         (Target_powerpc::do_finalize_sections): Update to pass true for
5330         dynrel_includes_plt when 32-bit.
5331
5332 2010-02-08  Doug Kwan  <dougkwan@google.com>
5333
5334         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5335         method.
5336         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5337         Arm_relobj::scan_section_for_cortex_a8_stubs,
5338         Arm_relobj::do_relocation_section): Instead of calling
5339         Output_section::output_address, use faster
5340         Arm_relobj::simple_input_section_output_address.
5341
5342 2010-02-08  David S. Miller  <davem@davemloft.net>
5343
5344         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5345         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5346         relocation helper function.
5347
5348         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5349         just like R_SPARC_GOT{10,13,22}.
5350         (Target_sparc::Scan::local): Likewise.
5351         (Target_sparc::Relocate:relocate): Likewise.
5352
5353 2010-02-06  Ian Lance Taylor  <iant@google.com>
5354
5355         * configure.ac: Rewrite targetobjs duplicate removal code to use
5356         only shell constructs.
5357         * configure: Rebuild.
5358
5359 2010-02-05  Doug Kwan  <dougkwan@google.com>
5360
5361         PR 11247
5362         * arm.cc (Arm_relobj::section_is_scannable): New method.
5363         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5364         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5365
5366 2010-02-04  Doug Kwan  <dougkwan@google.com>
5367
5368         PR 11247
5369         * arm-reloc-property.cc (cstdio): Include.
5370         * configure.ac (targetobjs): Remove duplicates.
5371         * configure: Regenerate.
5372         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5373         big and little endian version for a given address size.
5374
5375 2010-02-03  Doug Kwan  <dougkwan@google.com>
5376
5377         * arm-reloc-property.cc
5378         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5379         definition.
5380         * arm-reloc-property.h
5381         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5382         New method definition.
5383         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5384         declaration.
5385         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5386         overflow to N.
5387         (GOT_PREL): Change implemented to Y.
5388         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5389         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5390         (Arm_relocate_functions::movw_abs_nc): Remove method.
5391         (Arm_relocate_functions::movt_abs): Ditto.
5392         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5393         (Arm_relocate_functions::thm_movt_abs): Ditto.
5394         (Arm_relocate_functions::movw_rel_nc): Ditto.
5395         (Arm_relocate_functions::movw_rel): Ditto.
5396         (Arm_relocate_functions::movt_rel): Ditto.
5397         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5398         (Arm_relocate_functions:thm_movw_rel): Ditto.
5399         (Arm_relocate_functions:thm_movt_rel): Ditto.
5400         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5401         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5402         New method definitions.
5403         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5404         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5405         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5406         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5407         (Target_arm::Relocate::relocate): Check for non-static or
5408         unimplemented relocation code and exit early.  Change calls to
5409         Target_arm::reloc_uses_thumb_bit and
5410         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5411         instead.  Refactor code to handle similar relocations to increase
5412         code sharing.  Remove check for unsupported relocation code in switch
5413         statement.
5414         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5415         relocation property table to find out size.  Change error message to
5416         print out the name of a relocation code instead of the numeric value.
5417         (Target_arm::scan_reloc_for_stub): Use relocation property table
5418         instead of calling Target_arm::reloc_uses_thumb_bit().
5419
5420 2010-02-02  Doug Kwan  <dougkwan@google.com>
5421
5422         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5423         types of relaxed input section.
5424
5425 2010-02-02  Doug Kwan  <dougkwan@google.com>
5426
5427         * Makefile.am (HFILES): Add arm-reloc-property.h.
5428         (DEFFILES): New.
5429         (TARGETSOURCES): Add arm-reloc-property.cc
5430         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5431         (libgold_a_SOURCES): $(DEFFILES)
5432         * Makefile.in: Regenerate.
5433         * arm-reloc-property.cc: New file.
5434         * arm-reloc-property.h: New file.
5435         * arm-reloc.def: New file.
5436         * arm.cc: Update comments.
5437         (arm-reloc-property.h): New included header.
5438         (arm_reloc_property_table): New global variable.
5439         (Target_arm::do_select_as_default_target): New method definition.
5440         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5441         arm-reloc-property to targ_extra_obj.
5442         * parameters.cc (set_parameters_target): Call
5443         Target::select_as_default_target().
5444         * target.h (Target::select_as_default_target): New method definition.
5445         (Target::do_select_as_default_target): Same.
5446
5447 2010-02-01  Doug Kwan  <dougkwan@google.com>
5448
5449         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5450         first_output_text_section_.
5451         (Arm_exidx_fixup::first_output_text_section): New method definition.
5452         (Arm_exidx_fixup::first_output_text_section_): New data member.
5453         (Arm_exidx_fixup::process_exidx_section): Record the first text
5454         output section seen.
5455         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5456         and entsize in output section header.
5457
5458 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5459
5460         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5461         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5462         (Arm_relocate_functions::thm_alu11): New Method.
5463         (Arm_relocate_functions::thm_pc8): New Method.
5464         (Arm_relocate_functions::thm_pc12): New Method.
5465         (Target_arm::Scan::local): Handle the relocations.
5466         (Target_arm::Scan::global): Likewise.
5467         (Target_arm::Relocate::relocate): Likewise.
5468         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5469
5470 2010-01-29  Doug Kwan  <dougkwan@google.com>
5471
5472         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5473         of relocation types as ld.
5474
5475 2010-01-29  Doug Kwan  <dougkwan@google.com>
5476
5477         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5478         to public.
5479         (Arm_relocate_functions::thumb_branch_common): Ditto.
5480         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5481         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5482         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5483         Arm_relocate_functions::jump24): Remove.
5484         (Target_arm::Relocate::relocate): Adjust code to call
5485         Arm_relocation_functions::arm_branch_common and
5486         Arm_relocation_functions::thumb_branch_common instead of their removed
5487         wrappers.  Merge switch-cases together to reduce source code size.
5488
5489 2010-01-29  Doug Kwan  <dougkwan@google.com>
5490
5491         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5492         output_local_symbol_count_needs_update_.
5493         (Arm_relobj::output_local_symbol_count_needs_update,
5494          Arm_relobj::set_output_local_symbol_count_needs_update,
5495          Arm_relobj::update_output_local_symbol_count): New methods.
5496         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5497         member.
5498         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5499         of pointed function as in a R_ARM_PREL31 relocation.
5500         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5501         for output local symbol count updating.
5502         (Target_arm::do_relax): Update output local symbol counts in objects
5503         if necessary.
5504         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5505
5506 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5507
5508         * arm.cc: Added support for the ARM relocations:
5509         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5510         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5511         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5512         movw_prel_nc).
5513         (Arm_relocate_functions::movw_rel): New method.
5514         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5515         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5516         thm_movw_prel_nc).
5517         (Arm_relocate_functions::thm_movw_rel): New method.
5518         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5519         thm_movt_prel).
5520         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5521         relocations.
5522         (Target_arm::Scan::global): Likewise.
5523         (Target_arm::Relocate::relocate): Likewise.
5524         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5525         Likewise.
5526
5527 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5528
5529         * arm.cc: Added support for ARM group relocations.
5530         (Target_arm::reloc_needs_sym_origin): New method.
5531         (Arm_relocate_functions::calc_grp_kn): New method.
5532         (Arm_relocate_functions::calc_grp_residual): New method.
5533         (Arm_relocate_functions::calc_grp_gn): New method.
5534         (Arm_relocate_functions::arm_grp_alu): New Method.
5535         (Arm_relocate_functions::arm_grp_ldr): New Method.
5536         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5537         (Arm_relocate_functions::arm_grp_ldc): New Method.
5538         (Target_arm::Scan::local): Handle the ARM group relocations.
5539         (Target_arm::Scan::global): Likewise.
5540         (Target_arm::Relocate::relocate): Likewise.
5541         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5542         Likewise.
5543
5544 2010-01-26  Doug Kwan  <dougkwan@google.com>
5545
5546         * arm.cc (set): Include.
5547         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5548         pointer type.
5549         (Arm_output_section::Text_section_list): New type.
5550         (Arm_output_section::append_text_sections_to_list): New method.
5551         (Arm_output_section::fix_exidx_coverage): Ditto.
5552         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5553         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5554         Relobj::set_section_offset() instead of
5555         Sized_relobj::invalidate_section_offset().
5556         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5557         parameter for section headers. Ignore relocation sections for
5558         unallocated sections and EXIDX sections.
5559         (Target_arm::fix_exidx_coverage): New method.
5560         (Target_arm::output_section_address_less_than): New type.
5561         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5562         linked text section instead of the EXIDX section.
5563         (Arm_output_section::create_stub_group): Add an assertion to check
5564         that this is not an EXIDX output section.
5565         (Arm_output_section::append_text_sections_to_list): New method.
5566         (Arm_output_section::fix_exidx_coverage): Ditto.
5567         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5568         Arm_relobj::section_needs_reloc_stub_scanning.
5569         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5570         first pass.
5571         (Target_arm::fix_exidx_coverage): New method.
5572         * object.h (Relobj::set_output_section): New method.
5573         (Sized_relobj::invalidate_section_offset): Remove method.
5574         (Sized_relobj::do_invalidate_section_offset): Remove method.
5575         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5576
5577 2010-01-25  Doug Kwan  <dougkwan@google.com>
5578
5579         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5580         Fix warning due to signed and unsigned comparison on a 32-bit host.
5581
5582 2010-01-22  Doug Kwan  <dougkwan@google.com>
5583
5584         * arm.cc (Target_arm::do_relax): Record an output section for section
5585         offset adjustment it contains any stub table that has changed.
5586         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5587         offsets in an output section if necessary.
5588         * output.cc (Output_section::Output_section): Initialize
5589         section_offsets_need_adjustments_.
5590         (Output_section::add_input_section_for_script): Renamed to
5591         Output_section::add_simple_input_section.
5592         (Output_section::save_states): Add a comment.
5593         (Output_section::discard_states): New method defintion.
5594         (Output_section::adjust_section_offsets): Same.
5595         * output.h (Output_section::add_input_section_for_script): Renamed to
5596         Output_section::add_simple_input_section.
5597         (Output_section::discard_states): New method declaration.
5598         (Output_section::adjust_section_offsets): Same.
5599         (Output_section::section_offsets_need_adjustment,
5600         Output_section::set_section_offsets_need_adjustment): New method
5601         definitions.
5602         (Output_section::section_offsets_need_adjustment_): New data member.
5603         * script-sections.cc
5604         (Output_section_element_input::set_section_address): Adjust code for
5605         renaming of Output_section::add_input_section_for_script.
5606         (Orphan_output_section::set_section_address): Same.
5607
5608 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5609
5610         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5611         Fix_v4bx enum values .
5612         * gold/options.h (General_options): New option definitions.
5613         (General_options::fix_v4bx): New method.
5614         (General_options::Fix_v4bx): New enum.
5615         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5616         (General_options::parse_fix_v4bx_interworking): New method.
5617
5618 2010-01-22  Doug Kwan  <dougkwan@google.com>
5619
5620         * arm.cc (Arm_exidx_fixup): New class.
5621
5622 2010-01-21  Doug Kwan  <dougkwan@google.com>
5623
5624         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5625         classes.
5626         (Arm_exidx_section_offset_map): New type.
5627
5628 2010-01-21  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (Arm_exidx_input_section): New class.
5631         (Arm_relobj::exidx_input_section_by_link,
5632         Arm_relobj::exidx_input_section_by_shndx,
5633         Arm_relobj::make_exidx_input_section): New methods.
5634         (read_arm_attributes_section): Remove.
5635         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5636         information about them.
5637         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5638         to here.
5639
5640 2010-01-20  Doug Kwan  <dougkwan@google.com>
5641
5642         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5643         Input_section_specifier to Section_id.
5644         (Target_arm::new_arm_input_section: Adjust code for change of key
5645         type.
5646         (Target_arm::find_arm_input_section): Ditto.
5647         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5648         (Section_id): Remove.
5649         (Garbage_collection::Section_id_hash): Remove.
5650         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5651         (Section_id): Remove.
5652         (Icf::Section_id_hash): Remove.
5653         * object.h (Section_id, Const_section_id, Section_id_hash,
5654         Const_section_id_hash): New type definitions.
5655         * output.cc (Output_section::add_relaxed_input_section): Change to
5656         use Const_section_id instead of Input_section_specifier as key type.
5657         (Output_section::add_merge_input_section): Ditto.
5658         (Output_section::build_relaxation_map): Change to use Section_id
5659         instead of Input_section_specifier as key type.
5660         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5661         Ditto.
5662         (Output_section::convert_input_sections_to_relaxed_sections): Change
5663         to use Const_section_id instead of Input_section_specifier as key type.
5664         (Output_section::find_merge_section): Ditto.
5665         (Output_section::find_relaxed_input_section): Ditto.
5666         * output.h (Input_section_specifier): Remove class.
5667         (Output_section::Output_section_data_by_input_section_map): Change
5668         key type to Const_section_id.
5669         (Output_section::Output_relaxed_input_section_by_input_section_map):
5670         Ditto.
5671         (Output_section::Relaxation_map): Change key type to Section_id.
5672
5673 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5674
5675         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5676         (class Arm_v4bx_stub): New class.
5677         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5678         (Stub_factory::make_arm_v4bx_stub): New method.
5679         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5680         (Stub_table::empty): Handle v4bx stubs.
5681         (Stub_table::add_arm_v4bx_stub): New method.
5682         (Stub_table::find_arm_v4bx_stub): New method.
5683         (Arm_relocate_functions::v4bx): New method.
5684         (Target_arm::fix_v4bx): New method.
5685         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5686         (Stub_table::relocate_stubs): Likewise.
5687         (Stub_table::do_write): Likewise.
5688         (Stub_table::update_data_size_and_addralign): Likewise.
5689         (Stub_table::finalize_stubs):  Likewise.
5690         (Target_arm::Scan::local): Likewise.
5691         (Target_arm::Scan::global): Likewise.
5692         (Target_arm::do_finalize_sections): Likewise.
5693         (Target_arm::Relocate::relocate): Likewise.
5694         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5695         Likewise.
5696         (Target_arm::scan_reloc_for_stub): Likewise.
5697         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5698
5699 2010-01-19  Ian Lance Taylor  <iant@google.com>
5700
5701         * output.cc (Output_section_headers::do_sized_write): Write large
5702         segment count to sh_info field.
5703         (Output_file_header::do_sized_write): For large segment count,
5704         write PN_XNUM to e_phnum field.
5705
5706 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5707
5708         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5709         (Arm_relocate_functions::thm_jump8): New function.
5710         (Arm_relocate_functions::thm_jump11): New function.
5711         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5712         R_ARM_THM_JUMP11.
5713         (Target_arm::Scan::global): Likewise.
5714         (Target_arm::Relocate::relocate): Likewise.
5715         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5716         Likewise.
5717
5718 2010-01-14  Doug Kwan  <dougkwan@google.com>
5719
5720         * arm.cc (map, utility): Include headers.
5721         (Target_arm::apply_cortex_a8_workaround): New method.
5722         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5723         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5724         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5725         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5726         the --[no-]fix-cortex-a8 command line options.
5727         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5728         (Target_arm::relocate_stub): Use addend in instruction template.
5729         * options.h (DEFINE_bool): Set the user-set flag.
5730         (General_options): Add --[no-]-fix-cortex options.
5731         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5732         : Update fast look-up map after conversion.
5733
5734 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5735
5736         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5737         in the first pass of do_layout.
5738
5739 2010-01-13  Doug Kwan  <dougkwan@google.com>
5740
5741         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5742         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5743         apparent compiler problem of not folding static constant integral
5744         data members of elfcpp::Elf_sizes<32>.
5745
5746 2010-01-13  Doug Kwan  <dougkwan@google.com>
5747
5748         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5749         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5750         Arm_relobj::scan_section_for_cortex_a8_erratum,
5751         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5752         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5753         sections to scan for relocation stubs into a new method
5754         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5755         relocation and Cortex-A8 stub scanning.
5756         (Target_arm::do_relax): Force stubs to be after stubbed sections
5757         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5758         the beginning of a new relaxation pass.  Update a comment.
5759         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5760
5761 2010-01-12  Ian Lance Taylor  <iant@google.com>
5762
5763         * target-reloc.h (visibility_error): New inline function.
5764         (relocate_section): Call visibility_error.
5765         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5766         (MOSTLYCLEANFILES): Likewise.
5767         (protected_4_pic.o, protected_3.err): New targets.
5768         * testsuite/protected_4.cc: New file.
5769
5770 2010-01-12  Doug Kwan  <dougkwan@google.com>
5771
5772         * arm.cc (Cortex_a8_reloc): New class.
5773         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5774         and cortex_a8_relocs_info_.
5775         (Target_arm::fix_cortex_a8): New method definition.
5776         (Target_arm::Cortex_a8_relocs_info): New type.
5777         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5778         New data member declarations.
5779         (Target_arm::scan_reloc_for_stub): Record information about
5780         relocations for THUMB branches that might be exempted from the
5781         Cortex-A8 workaround.
5782         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5783         at the beginning of a relaxation pass.
5784
5785 2010-01-12  Doug Kwan  <dougkwan@google.com>
5786
5787         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5788         (Arm_relobj::Mapping_symbol_position,
5789          Arm_reloj::Mapping_symbol_position_less,
5790          Arm_relobj::Mapping_symbols_info): New types.
5791         (Target_arm::is_mapping_symbol_name): New method definition.
5792         (Arm_relobj::do_count_local_symbols): Save information about mapping
5793         symbols.
5794
5795 2010-01-11  Doug Kwan  <dougkwan@google.com>
5796
5797         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5798         Arm_relocate_functions::thumb32_branch_upper,
5799         Arm_relocate_functions::thumb32_branch_lower,
5800         Arm_relocate_functions::thumb32_cond_branch_offset,
5801         Arm_relocate_functions::thumb32_cond_branch_upper,
5802         Arm_relocate_functions::thumb32_cond_branch_lower,
5803         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5804         branch offset encoding.
5805         (Arm_relocate_functions::thumb_branch_common): Use new branch
5806         offset encoding methods to avoid code duplication.
5807         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5808         (Stub_addend_reader::operator()): Use new branch encoding method
5809         to avoid code duplication.
5810
5811 2010-01-11  Doug Kwan  <dougkwan@google.com>
5812
5813         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5814         (Target_arm::do_finalize_sections): Define special EXIDX section
5815         symbols only if referenced.
5816         * gc.h (Garbage_collection::add_reference): New method.
5817         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5818         code duplication.
5819
5820 2010-01-11  Ian Lance Taylor  <iant@google.com>
5821
5822         * script.cc (Version_script_info::build_expression_list_lookup):
5823         Change complaing about duplicate wildcard match from error to
5824         warning.
5825
5826         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5827         of 2009-12-30.
5828         (Version_script_info::Version_script_info): Initialize globs_,
5829         default_version_, default_is_global_, and exact_.  Don't
5830         initialize globals_ or locals_.
5831         (Version_script_info::build_lookup_tables): Build local symbols
5832         first.
5833         (Version_script_info::unquote): New function.
5834         (Version_script_info::add_exact_match): New function.
5835         (Version_script_info::build_expression_list_lookup): Remove lookup
5836         parameter.  Add is_global parameter.  Change all callers.  Handle
5837         wildcard pattern specially.  Unquote pattern.  Call
5838         add_exact_match.
5839         (Version_script_info::get_name_to_match): New function.
5840         (Version_script_info::get_symbol_version): New function.
5841         (Version_script_info::get_symbol_version_helper): Remove.
5842         (Version_script_info::check_unmatched_names): Call unquote.
5843         * script.h (class Version_script_info): Change get_symbol_version
5844         to be non-inline and add is_global parameter; change all callers.
5845         Rewrite symbol_is_local.  Update declarations.  Define struct
5846         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5847         Remove globals_ and locals_ members.  Add exact_, globs_,
5848         default_version_, is_global_.
5849         (Version_script_info::Glob): Remove pattern, add expression and
5850         is_global.  Update constructor.  Change all callers.
5851         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5852         default version.
5853         (Versions::symbol_section_contents): If a symbol is undefined, or
5854         defined in a dynamic object, set the version index to
5855         VER_NDX_LOCAL.
5856         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5857         symbol_is_local.
5858         (Symbol_table::add_from_pluginobj): Likewise.
5859         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5860
5861 2010-01-11  Doug Kwan  <dougkwan@google.com>
5862
5863         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5864         (incremental_dump_LDADD): Add linking option for libintl.
5865         * Makefile.in: Regenerate.
5866
5867 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5868
5869         PR gold/11144
5870         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5871         instead of -Ds.
5872         * testsuite/Makefile.in: Regenerated.
5873
5874 2010-01-10  Doug Kwan  <dougkwan@google.com>
5875
5876         * options.h (DEFINE_var): Use parentheses around argument varname__
5877         in macro body to avoid any unintended subsequent substitutions.
5878
5879 2010-01-10  Ian Lance Taylor  <iant@google.com>
5880
5881         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5882         candidates before doing symbol resolution.
5883
5884         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5885         ODR candidates if only one is weak.
5886
5887 2010-01-08  Ian Lance Taylor  <iant@google.com>
5888
5889         * script.cc (Version_script_info::build_expression_list_lookup):
5890         Don't warn about ambiguous version, just record the ambiguity.
5891         (Version_script_info::get_symbol_version_helper): Give error if
5892         version is ambiguous.
5893
5894 2010-01-08  Doug Kwan  <dougkwan@google.com>
5895
5896         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5897           prev_data_size_ and prev_addralign_.  Remove initializer for
5898           deleted data member has_been_changed_.
5899           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5900           to determine if the table is empty.
5901           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5902           Remove.
5903           (Stub_table::add_reloc_stub): Define method in class definition
5904           instead of just declaring it there.
5905           (Stub_table::add_cortex_a8_stub): New method definition.
5906           (Stub_table::update_data_size_and_addralign): Ditto.
5907           (Stub_table::finalize_stubs): Ditto.
5908           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5909           (Stub_table::do_addralign_): Return address alignment in the
5910           (Stub_table::do_reset_address_and_file_offset): Define method in
5911           class definition instead of declaring it there.  Set current data
5912           size to be the data size of the previous pass.
5913           (Stub_table::set_final_data_size): Use current data size as the
5914           final data size.
5915           (Stub_table::relocate_stub): Change parameter type of stub from
5916           Reloc_stub pointer to Stub pointer.
5917           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5918           (Stub_table::Cortex_a8_stub_list): New typedef.
5919           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5920            Stub_table::prev_addralign_): New data member.
5921           (Arm_relobj::Arm_relobj): Initialize data member
5922           section_has_cortex_a8_workaround_.
5923           (Arm_relobj::section_has_cortex_a8_workaround,
5924            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5925            definitions.
5926           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5927           declarations.
5928           (Target_arm::relocate_stub): Change parameter type of stub from
5929           Reloc_stub pointer to Stub pointer.
5930           (Insn_template::size, Insn_template::alignment): Handle
5931           THUMB16_SPECIAL_TYPE.
5932           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5933            Stub_table::update_data_size_and_addralign,
5934            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5935           definitions.
5936           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5937           (Stub_table::do_write): Ditto.
5938           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5939
5940 2010-01-08  Ian Lance Taylor  <iant@google.com>
5941
5942         PR 11108
5943         * symtab.h (class Symbol): Remove fields is_target_special_ and
5944         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5945         (Symbol::is_defined_in_discarded_section): New function.
5946         (Symbol::set_is_defined_in_discarded_section): New function.
5947         (Symbol::has_plt_offset): Rewrite.
5948         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5949         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5950         Don't initialize is_target_special_ or has_plt_offset_.
5951         Initialize is_defined_in_discarded_section_.
5952         (Symbol_table::add_from_relobj): If appropriate, set
5953         is_defined_in_discarded_section.
5954         * resolve.cc (Symbol::override_base_with_special): Don't test
5955         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5956         * target-reloc.h (relocate_section): Do special handling for
5957         symbols defined in discarded sections for global symbols as well
5958         as local symbols.
5959
5960 2010-01-08  Ian Lance Taylor  <iant@google.com>
5961
5962         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5963         the SHT_SYMTAB case.
5964
5965 2010-01-08  Ian Lance Taylor  <iant@google.com>
5966
5967         * object.cc (Sized_relobj::do_layout): Don't get confused if
5968         layout_eh_frame returns NULL.
5969
5970 2010-01-08  Ian Lance Taylor  <iant@google.com>
5971
5972         PR 11084
5973         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5974         dynamic symbol table, use the normal symbol table.
5975         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5976         symbol table.
5977
5978 2010-01-08  Ian Lance Taylor  <iant@google.com>
5979
5980         PR 11072
5981         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5982         sections.
5983
5984 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5985
5986         * version.cc (print_version): Change to "Copyright 2010".
5987
5988 2010-01-08  Ian Lance Taylor  <iant@google.com>
5989
5990         PR 10287
5991         PR 11063
5992         * i386.cc (class Target_i386): Change return type of plt_section
5993         to be non-const.
5994         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5995         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5996         tls_desc_rel_ field.
5997         (Output_data_plt_i386::rel_tls_desc): New function.
5998         (Target_i386::rel_tls_desc_section): New function.
5999         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6000         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6001         R_386_TLS_DESC reloc in rel_tls_desc_section.
6002         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6003         Define struct Tlsdesc_info.
6004         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6005         (Target_x86_64::do_reloc_symbol_index): New function.
6006         (Target_x86_64::add_tlsdesc_info): New function.
6007         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6008         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6009         tlsdesc_rel_ field.
6010         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6011         all callers.
6012         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6013         (Target_x86_64::rela_tlsdesc_section): New function.
6014         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6015         handling.
6016         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6017         (Target_x86_64::do_reloc_addend): New function.
6018         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6019         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6020         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6021         (Output_reloc::type): New function.
6022         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6023         (Output_reloc::is_target_specific): New function.
6024         (Output_reloc::target_arg): New function.
6025         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6026         absolute relocs and target specific relocs.
6027         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6028         add_target_specific.
6029         (class Output_data_reloc) [SHT_RELA]: Likewise.
6030         * output.cc (Output_reloc::Output_reloc): Add four new versions
6031         for absolute relocs and target specific relocs.
6032         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6033         (Output_reloc::get_symbol_index): Likewise.
6034         (Output_reloc::local_section_offset): Check that local_sym_index_
6035         is not TARGET_CODE or 0.
6036         (Output_reloc::symbol_value): Likewise.
6037         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6038         reloc.
6039         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6040         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6041         functions.
6042         * layout.cc (add_target_dynamic_tags): Use output section for
6043         DT_PLTRELSZ and DT_JMPREL.
6044
6045 2010-01-07  Ian Lance Taylor  <iant@google.com>
6046
6047         PR 11061
6048         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6049         function.
6050         (class Output_data_reloc_generic): Define.
6051         (class Output_data_reloc_base): Change base class to
6052         Output_data_reloc_generic.  Change add() method to call
6053         bump_relative_reloc_count for a relative reloc.  Remove
6054         sort_relocs_ field.
6055         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6056         to sort_relocs().
6057         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6058         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6059         appropriate.
6060         * layout.h (class Layout): Update declaration.
6061
6062 2010-01-07  Ian Lance Taylor  <iant@google.com>
6063
6064         * output.h (class Output_data): Add const version of
6065         output_section and do_output_section.
6066         (class Output_section_data): Add const version of
6067         do_output_section.
6068         (class Output_section): Likewise.
6069         * layout.cc (Layout::add_target_dynamic_tags): New function.
6070         * layout.h (class Layout): Update declarations.
6071         * arm.cc (Target_arm::do_finalize_sections): Use
6072         add_target_dynamic_tags.
6073         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6074         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6075         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6076         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6077
6078 2010-01-07  Ian Lance Taylor  <iant@google.com>
6079
6080         PR 11042
6081         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6082         object as needed.
6083
6084 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6085             Ian Lance Taylor  <iant@google.com>
6086
6087         PR 11019
6088         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6089         Xindex::read_symtab_xindex.
6090
6091 2010-01-07  Doug Kwan  <dougkwan@google.com>
6092
6093         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6094         (Insn_template::thumb16_bcond_insn): New method declaration.
6095         (Insn_template): Fix spelling.
6096         (Stub::thumb16_special): New method declaration.
6097         (Stub::do_write): Define virtual method which was previously pure
6098         virtual.
6099         (Stub::do_thumb16_special): New method declaration.
6100         (Stub::do_fixed_endian_write): New template member.
6101         (Reloc_stub::do_write): Remove.
6102         (Reloc_stub::do_fixed_endian_write): Remove.
6103         (Cortex_a8_stub): New class definition.
6104         (Stub_factory::make_cortex_a8_stub): New method definition.
6105         (Stub_factory::Stub_factory): Add missing static storage class
6106         qualifier for elf32_arm_stub_a8_veneer_blx.
6107
6108 2010-01-07  Ian Lance Taylor  <iant@google.com>
6109
6110         PR 10980
6111         * options.h (class General_options): Add --warn-unresolved-symbols
6112         and --error-unresolved-symbols.
6113         * errors.cc (Errors::undefined_symbol): Implement
6114         --warn-unresolved-symbols.
6115
6116         * options.h (class General_options): Add -z text and -z textoff.
6117         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6118
6119 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6120
6121         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6122         (Garbage_collection::cident_sections): New function.
6123         (Garbage_collection::add_cident_section): New function.
6124         (Garbage_collection::cident_sections_): New member.
6125         (gc_process_relocs): Add references to sections whose names are C
6126         identifiers.
6127         * gold.h (cident_section_start_prefix): New constant.
6128         (cident_section_stop_prefix): New constant.
6129         (is_cident): New function.
6130         * layout.cc (Layout::define_section_symbols): Replace string constants
6131         with the newly defined constants.
6132         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6133         C identifiers.
6134         * testsuite/Makefile.am: Add gc_orphan_section_test.
6135         * testsuite/Makefile.in: Regenerate.
6136         * testsuite/gc_orphan_section_test.cc: New file.
6137         * testsuite/gc_orphan_section_test.sh: New file.
6138
6139 2010-01-06  Ian Lance Taylor  <iant@google.com>
6140
6141         PR 10980
6142         * options.h (class General_options): Add --warn-shared-textrel.
6143         * layout.cc (Layout::finish_dynamic_section): Implement
6144         --warn-shared-textrel.
6145
6146         PR 10980
6147         * options.h (class General_options): Add --warn-multiple-gp.
6148
6149 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6150
6151         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6152         $(THREADSLIB) and $(LIBDL).
6153         * Makefile.in: Rebuild.
6154
6155 2010-01-06  Ian Lance Taylor  <iant@google.com>
6156
6157         PR 10980
6158         * options.cc (General_options::parse_section_start): New function.
6159         (General_options::section_start): New function.
6160         (General_options::General_options): Initialize all members.
6161         * options.h: Include <map>
6162         (class General_options): Add --section-start.  Add section_starts_
6163         member.
6164         * layout.cc (Layout::attach_allocated_section_to_segment): If
6165         --section-start was used, set the address of the segment.  Remove
6166         local sort_sections.
6167         (Layout::relaxation_loop_body): If the address of the load segment
6168         has been set by --section-start, don't use it.
6169         * output.h (Output_segment::update_flags_for_output_section): New
6170         function.
6171         * output.cc (Output_segment::add_output_section): Call
6172         update_flags_for_output_section.
6173
6174 2010-01-05  Ian Lance Taylor  <iant@google.com>
6175
6176         PR 10980
6177         * options.h (class General_options): Add --undefined-version.
6178         * script.cc (struct Version_expression): Add was_matched_by_symbol
6179         field.
6180         (Version_script_info::matched_symbol): New function.
6181         (Version_script_info::get_symbol_version_helper): Call
6182         matched_symbol.
6183         (Version_script_info::check_unmatched_names): New function.
6184         * script.h (class Version_script_info): Update declarations.
6185         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6186
6187         * options.h (class General_options): Use DEFINE_bool_alias for
6188         allow_multiple_definition.
6189         * resolve.cc (Symbol_table::should_override): Don't test
6190         allow_multiple_definition.
6191
6192         PR 10980
6193         * options.h (class General_options): Add --cref.
6194         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6195         until after printing cref table.
6196         * cref.cc: Include "symtab.h".
6197         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6198         (Cref_table_compare::operator()): New function.
6199         (Cref_inputs::gather_cref): New function.
6200         (filecol): New static const.
6201         (Cref_inputs::print_cref): New function.
6202         (Cref::print_cref): New function.
6203         * cref.h: Include <cstdio>.
6204         (class Cref): Update declarations.
6205         * mapfile.h (Mapfile::file): New function.
6206         * object.h (class Object): Define Symbols.  Declare virtual
6207         do_get_global_symbols.
6208         (Object::get_global_symbols): New function.
6209         * object.cc (Input_objects::add_object): Pass object to cref_ if
6210         --cref.
6211         (Input_objects::archive_start): Likewise.
6212         (Input_objects::archive_stop): Likewise.
6213         (Input_objects::print_cref): New function.
6214         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6215         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6216         --cref.
6217         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6218         function.
6219         * plugin.h (class Sized_pluginobj): Update declarations.
6220
6221 2010-01-05  Ian Lance Taylor  <iant@google.com>
6222
6223         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6224         to is_default_version.  Rename insdef to insdefault.
6225         (Symbol_table::add_from_relobj): Rename def to is_default_version
6226         and local to is_forced_local.
6227         (Symbol_table::add_from_pluginobj): Likewise.
6228         (Symbol_table::add_from_dynobj): Likewise.
6229         (Symbol_table::define_special_symbol): Rename insdef to
6230         insdefault.
6231
6232 2010-01-04  Ian Lance Taylor  <iant@google.com>
6233
6234         PR 10980
6235         * options.h (class General_options): Add
6236         --allow-multiple-definition and -z muldefs.
6237         * resolve.cc (Symbol_table::should_override): Don't warn about a
6238         multiple symbol definition if --allow-multiple-definition or -z
6239         muldefs.
6240
6241         PR 10980
6242         * options.h (class General_options): Add --add-needed and
6243         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6244         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6245         error if --copy-dt-needed-entries aka --add-needed is used and
6246         would cause a change in behaviour.
6247
6248         PR 10980
6249         * options.h (class General_options): Add -G as a short version of
6250         --shared.  Add no-op options -assert, -g, and -i.
6251
6252 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6253
6254         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6255         check for .text or .gnu.linkonce.t sections.
6256         * icf.cc (Icf::find_identical_sections): Ditto.
6257         Change the detection for mangled function name within the section
6258         name.
6259         * icf.h (is_section_foldable_candidate): New function.
6260
6261 2009-12-30  Ian Lance Taylor  <iant@google.com>
6262
6263         PR 10980
6264         * options.h (class General_options): Permit two dashes with
6265         --retain-symbols-file.
6266
6267 2009-12-30  Ian Lance Taylor  <iant@google.com>
6268
6269         PR 10979
6270         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6271         don't put the file header and segment headers in the text
6272         segment.
6273
6274         PR 10979
6275         * common.cc (Sort_commons::operator()): Stabilize sort when both
6276         entries are NULL.
6277         (Symbol_table::do_allocate_commons_list): When allocating common
6278         symbols, skip a symbol which is no longer common.
6279         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6280         an object before checking its type.
6281         * testsuite/common_test_2.c: New file.
6282         * testsuite/common_test_3.c: New file.
6283         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6284         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6285         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6286         (common_test_2_pic.o, common_test_2.so): New targets.
6287         (common_test_3_pic.o, common_test_3.so): New targets.
6288         * testsuite/Makefile.in: Rebuild.
6289
6290         PR 10979
6291         * script.cc (read_input_script): If we see a new SECTIONS clause,
6292         and we have added an input section, give an error.
6293         * layout.h (class Layout): Add have_added_input_section function.
6294         Add have_added_input_section_ field.
6295         * layout.cc (Layout::Layout): Initialize
6296         have_added_input_section_.
6297         (Layout::layout): Set have_added_input_section_.
6298         (Layout::layout_eh_frame): Likewise.
6299
6300 2009-12-30  Ian Lance Taylor  <iant@google.com>
6301
6302         PR 10931
6303         * options.h (class General_options): Add --sort-common option.
6304         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6305         * common.cc (Sort_common): Add sort_order parameter to
6306         constructor.  Add sort_order_ field.
6307         (Sort_commons::operator): Check sort_order_.
6308         (Symbol_table::allocate_commons): Determine the sort order.
6309         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6310         Change all callers.
6311         (Symbol_table::do_allocate_commons_list): Likewise.
6312
6313 2009-12-30  Ian Lance Taylor  <iant@google.com>
6314
6315         PR 10916
6316         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6317         symbols from this object, don't change the visibility of an
6318         undefined symbol.
6319         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6320
6321 2009-12-30  Ian Lance Taylor  <iant@google.com>
6322
6323         PR 10861
6324         * script.h (class Version_script_info): Define Language enum.
6325         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6326         new fields globals_, locals_, and is_finalized_.
6327         * script.cc: Various formatting fixes.
6328         (class Parser_closure): Change language_stack_ from a vector of
6329         std::string to one of Version_script_info::Language.  Adjust all
6330         uses accordingly.
6331         (class Lazy_demangler): Remove.
6332         (struct Version_expression): Change language from std::string to
6333         Version_script_info::Language.
6334         (Version_script_info::Version_script_info): New function.
6335         (Version_script_info::~Version_script_info): Don't call clear.
6336         (Version_script_info::finalize): New function.
6337         (Version_script_info::build_lookup_tables): New function.
6338         (Version_script_info::build_expression_list_lookup): New
6339         function.
6340         (Version_script_info::get_symbol_version_helper): Rewrite to use
6341         lookup tables.
6342         (Version_script_info::print_expression_list): Adjust to use
6343         Version_script_info::Language.
6344         (script_push_lex_into_version_mode): Check that the version script
6345         has not been finalized.
6346         (version_script_push_lang): Change language string to
6347         Version_script_info::Language.
6348         * options.cc (Command_line::version_script): New function.
6349         * options.h (class General_options): Add finalize_dynamic_list
6350         function.  Change version_script from declaration to definition.
6351         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6352         * testsuite/version_script.map: Remove duplicate def of foo.
6353         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6354         version_script.map.
6355         * testsuite/Makefile.in: Rebuild.
6356
6357 2009-12-30  Ian Lance Taylor  <iant@google.com>
6358
6359         PR 10843
6360         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6361         if the input symbol index is 0, make the output symbol index 0.
6362
6363 2009-12-30  Ian Lance Taylor  <iant@google.com>
6364
6365         PR 10670
6366         * options.h (class General_options): Add -x/--discard-all.
6367         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6368         --discard-all.  If the local symbol needs a dynamic entry, check
6369         that before handling --discard-locals.
6370
6371 2009-12-30  Ian Lance Taylor  <iant@google.com>
6372
6373         PR 10450
6374         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6375         flags to PF_R.
6376         (Output_segment::add_output_section): Don't change the flags if
6377         the type is PT_TLS.
6378
6379         PR 10450
6380         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6381         GNU hash table if they need a dynamic value.  Otherwise, don't add
6382         them if they are defined in a dynamic object or are forced local.
6383
6384 2009-12-29  Ian Lance Taylor  <iant@google.com>
6385
6386         PR 10450
6387         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6388         .gnu.hash table for a 32-bit target.
6389
6390         PR 10450
6391         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6392         regular and a dynamic object only needs a dynamic symbol table
6393         entry if it is externally visible.
6394
6395         PR 10450
6396         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6397         constructor.  Add global_offset_table_ field.
6398         (Target_i386::got_section): Set global_offset_table_.
6399         (Target_i386::do_finalize_sections): Set global_offset_table_
6400         size.
6401         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6402         in constructor.  Add global_offset_table_ field.
6403         (Target_x86_64::got_section): Set global_offset_table_.
6404         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6405         size.
6406
6407         * layout.cc (Layout::Layout): Initialize increase_relro_.
6408         (Layout::get_output_section): Add is_relro, is_last_relro, and
6409         is_first_non_relro parameters.  Change all callers.
6410         (Layout::choose_output_section): Likewise.
6411         (Layout::add_output_section_data): Likewise.
6412         (Layout::make_output_section): Likewise.
6413         (Layout::set_segment_offsets): Clear increase_relro when using a
6414         linker script.
6415         * layout.h (class Layout): Add increase_relro method.  Add
6416         increase_relro_ field.  Update declarations.
6417         * output.cc (Output_section::Output_section): Initialize
6418         is_last_relro_ and is_first_non_relro_.
6419         (Output_segment::add_output_section): Group relro sections is
6420         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6421         (Output_segment::maximum_alignment): Remove relro handling.
6422         (Output_segment::set_section_addresses): Add increase_relro
6423         parameter.  Change all callers.  Add initial alignment to align
6424         relro sections on separate page.  Remove old relro handling.
6425         (Output_segment::set_section_list_addresses): Remove in_relro
6426         parameter.  Change all callers.
6427         (Output_segment::set_offset): Add increase parameter.  Change all
6428         callers.  Remove old relro handling.
6429         * output.h (class Output_section): Add new methods: is_last_relro,
6430         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6431         Add is_last_relro_ and is_first_non_relro_ fields.
6432         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6433         Create separate .got.plt section.  Call increase_relro.
6434         * x86_64.cc (Target_x86_64::got_section): Likewise.
6435         * testsuite/relro_script_test.t: Add .got.plt.
6436
6437         PR 10450
6438         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6439         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6440         (Layout::finalize): Call set_dynamic_symbol_size.
6441         (Layout::set_dynamic_symbol_size): New function.
6442         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6443         set_dynamic_symbol_size.
6444
6445         PR 10450
6446         * output.h (class Output_section): Add is_entsize_zero_ field.
6447         * output.cc (Output_section::Output_section): Initialize
6448         is_entsize_zero_.
6449         (Output_section::set_entsize): If two different entsizes are
6450         requested, force it to zero.
6451         (Output_section::add_input_section): Set flags for .debug_str
6452         before updating section flags.  Set entsize.
6453         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6454         and SHF_STRING if all input sections have those flags.
6455
6456 2009-12-29   Rafael Espindola  <espindola@google.com>
6457
6458         * main.cc (main): Fix the sys time reporting.
6459         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6460         reporting.
6461
6462 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6463
6464         * options.cc (General_options::parse_version): Allow -v to exit
6465         without an error if there is nothing to link.
6466
6467 2009-12-29  Ian Lance Taylor  <iant@google.com>
6468
6469         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6470         using a version of gcc before 4.1.
6471         * configure: Rebuild.
6472
6473 2009-12-28  Chris Demetriou  <cgd@google.com>
6474
6475         * attributes.cc (Output_attributes_section_data::do_write): Use
6476         std::vector::front rather than std::vector::data.
6477
6478 2009-12-28  Ian Lance Taylor  <iant@google.com>
6479
6480         * symtab.h (class Symbol_table): Add enum Defined.
6481         * resolve.cc (Symbol_table::should_override): Add defined
6482         parameter.  Change all callers.  Test whether object is NULL
6483         before calling a method on it.
6484         (Symbol_table::report_resolve_problem): Add defined parameter.
6485         Change all callers.
6486         (Symbol_table::should_override_with_special): Likewise.
6487         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6488         parameter.  Change all callers.
6489         (Symbol_table::do_define_in_output_data): Likewise.
6490         (Symbol_table::define_in_output_segment): Likewise.
6491         (Symbol_table::do_define_in_output_segment): Likewise.
6492         (Symbol_table::define_as_constant): Likewise.
6493         (Symbol_table::do_define_as_constant): Likewise.
6494         * script.h (class Symbol_assignment): Add is_defsym parameter to
6495         constructor; change all callers.
6496         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6497         parameter.  Change all callers.  Add is_defsym_ field.
6498         (class Parser_closure): Add parsing_defsym parameter to
6499         constructor; change all callers.  Add parsing_defsym accessor
6500         function.  Add parsing_defsym_ field.
6501
6502 2009-12-28  Ian Lance Taylor  <iant@google.com>
6503
6504         * gold.cc (queue_middle_tasks): Fix formatting.
6505         * object.cc (Relobj::is_section_name_included): Likewise.
6506
6507 2009-12-23  Ian Lance Taylor  <iant@google.com>
6508
6509         * i386.cc (Target_i386::do_calls_non_split): Recognize
6510         -fsplit-stack prologue for a function with a static chain.
6511         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6512         -fsplit-stack prologue when using %r11.
6513
6514 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6515
6516         * options.cc (General_options::parse_version): Make -v continue and do
6517         the link like GNU ld does.
6518
6519 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6520
6521         * Makefile.am (CCFILES): Add timer.cc.
6522         (HFILES): Add timer.h.
6523         * configure.ac: Check for sysconf and times.
6524         * main.cc: include timer.h.
6525         (main): Use Timer instead of get_run_time.
6526         * timer.cc: New.
6527         * timer.h: New.
6528         * workqueue.cc: include timer.h.
6529         (Workqueue::find_and_run_task):
6530         Report user, sys and wall time.
6531         * Makefile.in: Regenerate.
6532         * config.in: Regenerate.
6533         * configure: Regenerate.
6534
6535 2009-12-16  Doug Kwan  <dougkwan@google.com>
6536
6537         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6538         sections.
6539         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6540         relaxed input sections.
6541         * output.cc (Output_section::find_relaxed_input_section): Change
6542         return type to Output_relaxed_input_section pointer.  Adjust code
6543         for new type of relaxed_input_section_map_.
6544         * output.h (Output_section::find_relaxed_input_section): Change
6545         return type to Output_relaxed_input_section pointer.
6546         (Output_section::Output_relaxed_input_section_by_input_section_map):
6547         New type.
6548         (Output_section::relaxed_input_section_map_): Change type to
6549         Output_section::Output_relaxed_input_section_by_input_section_map.
6550         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6551         input section.
6552
6553 2009-12-15  Ian Lance Taylor  <iant@google.com>
6554
6555         * layout.cc (Layout::create_shstrtab): Only write out after input
6556         sections if we are compressing debug sections.
6557
6558 2009-12-15  Ian Lance Taylor  <iant@google.com>
6559
6560         * archive.cc (Archive::add_symbols): Only look up a symbol without
6561         a version if there is, in fact, a version.
6562
6563 2009-12-14  Ian Lance Taylor  <iant@google.com>
6564
6565         Revert -Wshadow changes, all changes from:
6566         2009-12-11  Doug Kwan  <dougkwan@google.com>
6567         2009-12-11  Nick Clifton  <nickc@redhat.com>
6568         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6569
6570 2009-12-11  Doug Kwan  <dougkwan@google.com>
6571
6572         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6573         due to -Wshadow.
6574         * attributes.cc (Object_attribute::size): Ditto.
6575         (Attributes_section_data::size): Ditto.
6576         (Attributes_section_data::Attributes_section_data): Ditto.
6577         (Output_attributes_section_data::do_write): Ditto.
6578         * attributes.h (Object_attribute::set_type): Ditto.
6579         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6580
6581 2009-12-11  Nick Clifton  <nickc@redhat.com>
6582
6583         * archive.cc: Fix shadowed variable warnings.
6584         * arm.cc: Likewise.
6585         * compressed_output.cc: Likewise.
6586         * compressed_output.h: Likewise.
6587         * configure: Likewise.
6588         * dwarf_reader.cc: Likewise.
6589         * dynobj.cc: Likewise.
6590         * dynobj.h: Likewise.
6591         * ehframe.cc: Likewise.
6592         * ehframe.h: Likewise.
6593         * errors.cc: Likewise.
6594         * expression.cc: Likewise.
6595         * fileread.cc: Likewise.
6596         * fileread.h: Likewise.
6597         * freebsd.h: Likewise.
6598         * i386.cc: Likewise.
6599         * icf.cc: Likewise.
6600         * incremental.h: Likewise.
6601         * layout.cc: Likewise.
6602         * layout.h: Likewise.
6603         * mapfile.cc: Likewise.
6604         * merge.cc: Likewise.
6605         * merge.h: Likewise.
6606         * object.cc: Likewise.
6607         * object.h: Likewise.
6608         * options.h: Likewise.
6609         * output.cc: Likewise.
6610         * output.h: Likewise.
6611         * parameters.cc: Likewise.
6612         * plugin.cc: Likewise.
6613         * powerpc.cc: Likewise.
6614         * reduced_debug_output.cc: Likewise.
6615         * reduced_debug_output.h: Likewise.
6616         * reloc.cc: Likewise.
6617         * reloc.h: Likewise.
6618         * resolve.cc: Likewise.
6619         * script-sections.cc: Likewise.
6620         * script.cc: Likewise.
6621         * script.h: Likewise.
6622         * sparc.cc: Likewise.
6623         * symtab.cc: Likewise.
6624         * symtab.h: Likewise.
6625         * target-select.cc: Likewise.
6626         * target-select.h: Likewise.
6627         * token.h: Likewise.
6628         * workqueue.cc: Likewise.
6629         * workqueue.h: Likewise.
6630         * x86_64.cc: Likewise.
6631
6632 2009-12-10  Doug Kwan  <dougkwan@google.com>
6633
6634         * arm.cc (attributes.h): New include.
6635         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6636         (Arm_relobj::~Arm_relobj): Delete object pointed by
6637         attributes_section_data_.
6638         (Arm_relobj::attributes_section_data): New method definition.
6639         (Arm_relobj::attributes_section_data_): New data member declaration.
6640         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6641         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6642         attributes_section_data_.
6643         (Arm_dynobj::attributes_section_data): New method definition.
6644         (Arm_dynobj::attributes_section_data_): New data member declaration.
6645         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6646         initialization value of may_use_blx_ to false.
6647         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6648         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6649         object attributes to compute results instead of hard-coding.
6650         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6651         Target_arm::get_secondary_compatible_arch,
6652         Target_arm::set_secondary_compatible_arch
6653         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6654         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6655         New method declarations.
6656         (Target_arm::get_aeabi_object_attribute): New method definition.
6657         (Target_arm::attributes_section_data_): New data member declaration.
6658         (read_arm_attributes_section): New template definition.
6659         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6660         (Arm_dynobj::do_read_symbols): Ditto.
6661         (Target_arm::do_finalize_sections): Merge attributes sections from
6662         input.  Check for BLX use after attributes section merging.
6663         Fix __exidx_start and __exidx_end visibility.  Create an
6664         .ARM.attributes section if necessary.
6665         (Target_arm::get_secondary_compatible_arch,
6666         Target_arm::set_secondary_compatible_arch,
6667         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6668         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6669         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6670         New method definitions.
6671
6672 2009-12-09  Ian Lance Taylor  <iant@google.com>
6673
6674         * plugin.cc (Plugin::load): Don't cast from void* to a function
6675         pointer.
6676
6677 2009-12-09  Ian Lance Taylor  <iant@google.com>
6678
6679         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6680         information fields.
6681
6682 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6683
6684         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6685         Replace two_file_shared_1.so with two_file_shared_2.so.
6686         * testsuite/Makefile.in: Regenerated.
6687
6688 2009-12-08  Doug Kwan  <dougkwan@google.com>
6689
6690         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6691         (HFILES): Add attributes.h and int_encoding.h.
6692         * Makefile.in: Regenerate.
6693         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6694         function definitions to int_encoding.cc
6695         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6696         prototypes to int_encoding.h
6697         * reduced_debug_output.cc (int_encoding.h): New include.
6698         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6699         function definitions to int_encoding.cc
6700         (insert_into_vector, read_from_pointer): Move template definitions to
6701         int_encoding.h
6702         * attributes.cc: New file.
6703         * attributes.h: New file.
6704         * int_encoding.cc: New file.
6705         * int_encoding.h: New file.
6706
6707 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6708
6709         PR gold/11055
6710         * incremental-dump.cc (dump_incremental_inputs): New.
6711         (main): Use dump_incremental_inputs.
6712
6713 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6714
6715         PR gold/10893
6716         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6717         checking elfcpp::STT_FUNC.
6718         (Target_i386::Relocate::relocate): Likewise.
6719         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6720
6721         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6722         symbols from shared libraries into normal FUNC symbols.
6723
6724         * symtab.h (Symbol): Add is_func and use it.
6725
6726 2009-12-05  Doug Kwan  <dougkwan@google.com>
6727
6728         * arm.cc (Target_arm::arm_info): Initialize new fields
6729         attributes_section and attributes_vendor.
6730         * i386.cc (Target_i386::i386_info): Same.
6731         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6732         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6733         fields attributes_section and attributes_vendor.
6734         * sparc.cc (Target_sparc::sparc_info): Same.
6735         * target.h (Target::attributes_section, Target::attributes_vendor,
6736         Target::is_attributes_section, Target::attribute_arg_type,
6737         Target::attributes_order): New method definitions.
6738         (Target::Target_info::attributes_section,
6739         Target::Target_info::attributes_vendor): New fields.
6740         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6741         virtual method definitions.
6742         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6743         attributes_section and attributes_vendor.
6744         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6745
6746 2009-12-05  Doug Kwan  <dougkwan@google.com>
6747
6748         * arm.cc: Update comments about interworking and stub generation.
6749         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6750         considered as non-PIC.
6751         (Arm_relocate_functions::base_abs): Fix formatting.
6752         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6753         of function to use GOT entry address instead of offset.
6754         (Target_arm::Scan::global): Issue an error if a symbol would need a
6755         PLT does not get one because it is untyped.  Remove code to create
6756         dynamic symbols for relative branches.
6757         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6758         takes unsigned integer instead of boolean.
6759
6760 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6761
6762         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6763         (two_file_test_LDADD): Likewise.
6764         (common_test_1_LDADD): Likewise.
6765         (exception_test_LDADD) Likewise.
6766         (weak_test_LDADD): Likewise.
6767         (many_sections_test_LDADD): Likewise.
6768         (initpri1_LDADD): Likewise.
6769         (script_test_1_LDADD): Likewise.
6770         (script_test_2_LDADD): Likewise.
6771         (justsyms_LDADD): Likewise.
6772         (binary_test_LDADD): Likewise.
6773         (large_LDADD): Likewise.
6774         * testsuite/Makefile.in: Regenerated.
6775
6776 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6777
6778         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6779         (Symbol_table::override_with_special): Likewise.
6780         (Symbol_table::add_from_object): Likewise.
6781
6782 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6783
6784         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6785         Don't set the data_offset twice.
6786
6787 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6788
6789         * testsuite/Makefile.in: Regenerate.
6790
6791 2009-12-03  Doug Kwan  <dougkwan@google.com>
6792
6793         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6794         (Target_arm::do_finalize_sections): Add parameter for symbol table
6795         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6796         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6797         parameter for symbol table pointer.
6798         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6799         an additional parameter for a pointer to symbol table.
6800         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6801         parameter for a symbol table pointer.
6802         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6803         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6804         Ditto.
6805         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6806         parameter for a symbol table pointer.
6807
6808 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6809
6810         * incremental.cc (Incremental_inputs_header)
6811         (Incremental_inputs_header_write, Incremental_inputs_entry)
6812         (Incremental_inputs_entry_write): Move ...
6813         * incremental.h (Incremental_inputs_header)
6814         (Incremental_inputs_header_write, Incremental_inputs_entry)
6815         (Incremental_inputs_entry_write): here.
6816
6817 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6818
6819         * incremental.cc (make_sized_incremental_binary): Set the target.
6820         Error if it is incompatible.
6821         * output.h (Output_file): Add filename method.
6822
6823 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6824
6825         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6826         from the get_* methods.
6827
6828 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6829
6830         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6831         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6832         Write 0 for the data_offset of scripts.
6833
6834 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6835
6836         * testsuite/Makefile.am: Add the incremental_test.sh test.
6837         * testsuite/incremental_test.sh: New.
6838         * testsuite/incremental_test_1.c: New.
6839         * testsuite/incremental_test_2.c: New.
6840
6841 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6842
6843        * incremental-dump.cc (main): Fix typos.
6844
6845 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6846
6847         PR gold/11025
6848         * incremental-dump.cc (main): Use llu to print 64 bit values.
6849
6850 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6851             H.J. Lu  <hongjiu.lu@intel.com>
6852
6853         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6854         $(LIBDL).
6855         (incremental_dump_LDADD): Likewise.
6856         * Makefile.in: Regenerated.
6857
6858 2009-11-25  Doug Kwan  <dougkwan@google.com>
6859
6860         Revert:
6861
6862         2009-11-25  Doug Kwan  <dougkwan@google.com>
6863
6864                 * arm.cc (Target_arm::Target_arm): Move method definition
6865                 outside of class definition.  Add code to handle
6866                 --target1-rel, --target1-abs and --target2= options.
6867                 (Target_arm::get_reloc_reloc_type): Change method to be
6868                 non-static and const.
6869                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6870                 New data member declaration.
6871                 (Target_arm::Scan::local, Target_arm::Scan::global,
6872                 Target_arm::Relocate::relocate,
6873                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6874                 Adjust call to Target_arm::get_real_reloc_type.
6875                 (Target_arm::get_real_reloc_type): Use command line options
6876                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6877                 * options.h (--target1-rel, --target1-abs, --target2): New
6878                 ARM-only options.
6879
6880 2009-11-25  Doug Kwan  <dougkwan@google.com>
6881
6882         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6883         class definition.  Add code to handle --target1-rel, --target1-abs
6884         and --target2= options.
6885         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6886         and const.
6887         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6888         member declaration.
6889         (Target_arm::Scan::local, Target_arm::Scan::global,
6890         Target_arm::Relocate::relocate,
6891         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6892         call to Target_arm::get_real_reloc_type.
6893         (Target_arm::get_real_reloc_type): Use command line options to
6894         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6895         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6896         options.
6897
6898 2009-11-25  Doug Kwan  <dougkwan@google.com>
6899
6900         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6901         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6902         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6903         formatting.
6904         (Arm_relocate_functions::thm_call): Replace body with a call to
6905         Arm_relocate_functions::thumb_branch_common.
6906         (Arm_relocate_functions::thm_jump24,
6907         Arm_relocate_functions::thm_xpc22): New method definitions.
6908         (Arm_relocate_functions::thumb_branch_common): New method definition.
6909         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6910         operator.
6911         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6912         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6913
6914 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6915
6916         * Makefile.am: Build incremental-dump
6917         * Makefile.in: Regenerate.
6918         * incremental-dump.cc: New.
6919         * incremental.cc (Incremental_inputs_header_data,
6920         Incremental_inputs_entry_data): Move to incremental.h
6921         * incremental.h: (Incremental_inputs_header_data,
6922         Incremental_inputs_entry_data): Move from incremental.cc
6923
6924 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6925
6926         * incremental.cc (Incremental_inputs_header,
6927         Incremental_inputs_header_write, Incremental_inputs_entry,
6928         Incremental_inputs_entry_write): Add a typedef with the data type.
6929
6930 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6931
6932         * incremental.cc (Incremental_inputs_header,
6933         Incremental_inputs_header_write, Incremental_inputs_entry,
6934         Incremental_inputs_entry_write): Update comment about which
6935         type has the filed descriptions.
6936
6937 2009-11-15  Doug Kwan  <dougkwan@google.com>
6938
6939         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6940         (Arm_relocate_functions::arm_branch_common): Change method defintion
6941         in class definition to a method declaration and update list of formal
6942         parameters.
6943         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6944         Arm_relocation_functions::jump24): Adjust call to
6945         Arm_relocate_functions::arm_branch_common.  Update list of formal
6946         parameters.
6947         (Arm_relocate_functions::xpc25): New method definition.
6948         (Arm_relocate_functions::arm_branch_common): Move method defintion
6949         out from class definition.  Use stubs for mode-switching and extending
6950         branch ranges.
6951         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6952         specially.  Change code to enable use of stubs in ARM branches.
6953
6954 2009-11-10  Doug Kwan  <dougkwan@google.com>
6955
6956         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6957         in method declaration.
6958         (Target_arm::relocate_stub): New method declaration.
6959         (Target_arm::default_target): Change to return a pointer instead of
6960         a const reference.
6961         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6962         Target_arm::default_target.
6963         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6964         method definition.
6965         (Target_arm::relocate_section): Adjust view.
6966         (Target_arm::relocate_stub): New method definition.
6967
6968 2009-11-10  Doug Kwan  <dougkwan@google.com>
6969
6970         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6971         a format warning.
6972         * incremental.cc (open_incremental_binary): Initialized local
6973         variables to avoid warnings.
6974         * object.cc (make_elf_object): Ditto.
6975         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6976         a format warning.
6977
6978 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6979
6980         PR gold/10930
6981         * testsuite/plugin_test.c: Include "config.h".
6982
6983 2009-11-09  Doug Kwan  <dougkwan@google.com>
6984
6985         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6986         (arm_symbol_value): Remove.
6987         (Arm_relocate_functions::arm_branch_common,
6988         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6989         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6990         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6991         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6992         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6993         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6994         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6995         Arm_relocate_functions::thm_mobw_abs_nc,
6996         Arm_relocate_functions::thm_mov_abs,
6997         Arm_relocate_functions::movw_prel_nc,
6998         Arm_relocate_functions::thm_movt_abs,
6999         Arm_relocate_functions::movt_prel,
7000         Arm_relocate_functions::thm_movw_prel_nc,
7001         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7002         (Target_arm::Relocate::relocate): Only decompose address into two
7003         parts if relocation type uses the thumb-bit and pass the actual
7004         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7005         calls to methods in Arm_relocate_functions for this change.
7006
7007 2009-11-08  Ian Lance Taylor  <iant@google.com>
7008
7009         PR 10925
7010         * reloc.cc: Instantiate
7011         Sized_relobj::initialize_input_to_output_maps and
7012         Sized_relobj:free_input_to_output_maps.
7013
7014 2009-11-06  Ian Lance Taylor  <iant@google.com>
7015
7016         PR 10876
7017         * defstd.cc (in_segment): Set only_if_ref true for "end".
7018
7019 2009-11-06  Doug Kwan  <dougkwan@google.com>
7020
7021         * arm.cc (class Reloc_stub): Correct a comment.
7022         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7023         (Target_arm::scan_section_for_stubs): New method declaration.
7024         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7025         Change methods from private to protected.
7026         (Target_arm::do_may_relax): New method definition.
7027         (Target_arm::do_relax, Target_arm::group_sections,
7028         Target_arm::scan_reloc_for_stub,
7029         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7030         (Target_arm::arm_input_section_map_): New data member declaration.
7031         (Target_arm::scan_reloc_for_stub,
7032         Target_arm::scan_reloc_section_for_stubs,
7033         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7034         Target_arm::do_relax): New method definitions.
7035
7036 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7037
7038         * configure.ac: Check for (struct stat)::st_mtim
7039         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7040         * config.in: Regenerate.
7041         * configure: Regenerate.
7042
7043 2009-11-05  Ian Lance Taylor  <iant@google.com>
7044
7045         PR 10910
7046         * output.cc (Output_segment::add_output_section): Add missing
7047         return statement.
7048
7049 2009-11-04  Ian Lance Taylor  <iant@google.com>
7050
7051         PR 10880
7052         * object.h (class Object): Add is_needed and set_is_needed
7053         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7054         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7055         defined in a dynamic object and referenced by a regular object,
7056         set is_needed for the dynamic object.
7057         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7058         if the file is marked with as_needed and it is not needed.
7059
7060 2009-11-04  Ian Lance Taylor  <iant@google.com>
7061
7062         PR 10887
7063         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7064         tags if data is discarded by linker script.
7065         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7066         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7067         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7068         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7069
7070 2009-11-04  Ian Lance Taylor  <iant@google.com>
7071
7072         * layout.cc (Layout::get_output_section): Add is_interp and
7073         is_dynamic_linker_section parameters.  Change all callers.
7074         (Layout::choose_output_section): Likewise.
7075         (Layout::make_output_section): Likewise.
7076         (Layout::add_output_section_data): Add is_dynamic_linker_section
7077         parameter.  Change all callers.
7078         * layout.h (class Layout): Update declarations.
7079         * output.h (class Output_section): Add is_interp, set_is_interp,
7080         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7081         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7082         generate_code_fills_at_write_ to a bitfield.
7083         * output.cc (Output_section::Output_sections): Initialize new
7084         fields.
7085         (Output_segment::add_output_section): Add do_sort parameter.
7086         Change all callers.
7087
7088 2009-11-03  Ian Lance Taylor  <iant@google.com>
7089
7090         PR 10860
7091         * options.h (class General_options): Add --warn-common.
7092         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7093         merging two common symbols.
7094         (Symbol_table::should_override): Handle --warn-common when merging
7095         a common symbol with a defined symbol.  Use report_resolve_problem
7096         for multiple definitions.
7097         (Symbol_table::report_resolve_problem): New function.
7098         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7099
7100 2009-11-03  Doug Kwan  <dougkwan@google.com>
7101
7102         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7103         stub_factory_.
7104         (Target_arm::stub_factory): New method definition.
7105         (Target_arm::new_arm_input_section,
7106         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7107         Target_arm::reloc_uses_thumb_bit): New method declarations.
7108         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7109         New type definitions.
7110         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7111         member declarations.
7112         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7113         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7114         New method definitions.
7115
7116 2009-11-03  Ian Lance Taylor  <iant@google.com>
7117
7118         * options.h (class General_options): Add --warn_constructors.
7119
7120 2009-11-03  Ian Lance Taylor  <iant@google.com>
7121
7122         PR 10893
7123         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7124         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7125
7126 2009-11-03  Ian Lance Taylor  <iant@google.com>
7127
7128         PR 10895
7129         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7130         --msgid-bugs-address.
7131         (install-pdf): New target.
7132         (install-data_yes): Look up one directory to find mkinstalldirs.
7133
7134 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7135
7136         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7137         tree.
7138
7139 2009-10-30  Doug Kwan  <dougkwan@google.com>
7140
7141         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7142
7143 2009-10-30  Doug Kwan  <dougkwan@google.com>
7144
7145         * arm.cc (Stub_addend_reader): New struct template definition
7146         and partial specializations.
7147         (Stub_addend_reader::operator()): New method definition for a
7148         partially specialized template.
7149
7150 2009-10-30  Doug Kwan  <dougkwan@google.com>
7151
7152         * arm.cc (Arm_relobj::processor_specific_flags): New method
7153         definition.
7154         (Arm_relobj::do_read_symbols): New method declaration.
7155         (Arm_relobj::processor_specific_flags_): New data member declaration.
7156         (Arm_dynobj): New class definition.
7157         (Target_arm::do_finalize_sections): Add input_objects parameter.
7158         (Target_arm::do_adjust_elf_header): New method declaration.
7159         (Target_arm::are_eabi_versions_compatible,
7160         (Target_arm::merge_processor_specific_flags): New method declaration.
7161         (Target_arm::do_make_elf_object): New overloaded method definitions
7162         and declaration.
7163         (Arm_relobj::do_read_symbols): New method definition.
7164         (Arm_dynobj::do_read_symbols): Ditto.
7165         (Target_arm::do_finalize_sections): Add input_objects parameters.
7166         Merge processor-specific flags from all input objects.
7167         (Target_arm::are_eabi_versions_compatible,
7168         Target_arm::merge_processor_specific_flags,
7169         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7170         New method definitions.
7171         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7172         Input_objects pointer type parameter.
7173         * layout.cc (Layout::finalize): Pass input objects to target's.
7174         finalize_sections function.
7175         * output.cc (Output_file_header::do_sized_write): Set ELF file
7176         header's processor-specific flags.
7177         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7178         Input_objects pointer type parameter.
7179         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7180         * target.h (Input_objects): New forward class declaration.
7181         (Target::processor_specific_flags,
7182         Target::are_processor_specific_flags_sect): New method definitions.
7183         (Target::finalize_sections): Add input_objects parameter.
7184         (Target::Target): Initialize processor_specific_flags_ and
7185         are_processor_specific_flags_set_.
7186         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7187         parameter.
7188         (Target::set_processor_specific_flags): New method definition.
7189         (Target::processor_specific_flags_,
7190         Target::are_processor_specific_flags_set_): New data member
7191         declarations.
7192         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7193         Input_objects pointer type parameter.
7194
7195 2009-10-30  Doug Kwan  <dougkwan@google.com>
7196
7197         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7198
7199 2009-10-28  Ian Lance Taylor  <iant@google.com>
7200
7201         * object.h (class Relobj): Drop options parameter from
7202         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7203         do_scan_relocs, do_relocate.  Change all callers.
7204         (class Sized_relobj): Drop options parameters from
7205         do_gc_process_relocs, do_scan_relocs, do_relocate,
7206         do_relocate_sections, relocate_sections, emit_relocs_scan,
7207         emit_relocs_scan_reltype.  Change all callers.
7208         (struct Relocate_info): Remove options field and all references to
7209         it.
7210         * reloc.h (class Read_relocs): Remove options constructor
7211         parameter and options_ field.  Change all callers.
7212         (class Gc_process_relocs, class Scan_relocs): Likewise.
7213         (class Relocate_task): Likewise.
7214         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7215         all callers.
7216         (scan_relocatable_relocs): Likewise.
7217         * target.h (class Sized_target): Remove options parameter from
7218         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7219         all callers.
7220         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7221         callers.
7222         * arm.cc: Update functions to remove options parameters.
7223         * i386.cc: Likewise.
7224         * powerpc.cc: Likewise.
7225         * sparc.cc: Likewise.
7226         * x86_64.cc: Likewise.
7227         * testsuite/testfile.cc: Likewise.
7228
7229 2009-10-28  Doug Kwan  <dougkwan@google.com>
7230
7231         * arm.cc (Arm_relobj): New class definition.
7232         (Arm_relobj::scan_sections_for_stubs,
7233         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7234         New method definitions.
7235
7236 2009-10-28  Cary Coutant  <ccoutant@google.com>
7237
7238         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7239         (Plugin::cleanup_done_): New member.
7240         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7241         (Plugin_manager::cleanup_done_): Remove.
7242         (Plugin_manager::add_input_file): Edit error message.
7243         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7244         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7245
7246 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7247
7248         * fileread.cc: (File_read::View::~View): Use the new
7249         data_ownership_ filed.
7250         (File_read::~File_read): Dispose the new whole_file_view_.
7251         (File_read::open): Mmap the whole file if needed.
7252         (File_read::open): Use whole_file_view_ instead of contents_.
7253         (File_read::find_view): Use whole_file_view_ if applicable.
7254         (File_read::do_read): Use whole_file_view_ instead of contents_.
7255         (File_read::make_view): Use whole_file_view_ instead of contents_,
7256         update File_read::View::View call.
7257         (File_read::find_or_make_view): Update File_read::View::View
7258         call.
7259         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7260         remove contents_
7261         (File_read::View::Data_ownership): New enum.
7262         (File_read::View::View): Replace bool mapped_ with Data_ownership
7263         argument.
7264         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7265         (File_read::View::data_ownership_): New field.
7266         (File_read::contents_): Remove (replaced by whole_file_view_).
7267         (File_read::whole_file_view_): New field.
7268         * options.h (class General_options): Add --keep-files-mapped.
7269
7270 2009-10-27  Cary Coutant  <ccoutant@google.com>
7271
7272         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7273         * testsuite/Makefile.am (plugin_test_5): New test case.
7274         * testsuite/Makefile.in: Regenerate.
7275
7276 2009-10-25  Doug Kwan  <dougkwan@google.com>
7277
7278         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7279         from private to protected to allow access by child class.
7280         (Sized_relobj::do_relocate_sections): New method declaration.
7281         (Sized_relobj::relocate_sections): Virtualize.
7282         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7283         Sized_relobj::relocate_sections.  Instantiate template explicitly
7284         for different target sizes and endianity.
7285
7286 2009-10-24  Doug Kwan  <dougkwan@google.com>
7287
7288         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7289         (Arm_input_section::as_arm_input_section): New method.
7290         (Arm_output_section): New class definition.
7291         (Arm_output_section::create_stub_group,
7292         Arm_output_section::group_sections): New method definitions.
7293
7294 2009-10-22  Doug Kwan  <dougkwan@google.com>
7295
7296         * arm.cc (Arm_input_section): New class definition.
7297         (Arm_input_section::init, Arm_input_section:do_write,
7298         Arm_input_section::set_final_data_size,
7299         Arm_input_section::do_reset_address_and_file_offset): New method
7300         definitions.
7301
7302 2009-10-21  Doug Kwan  <dougkwan@google.com>
7303
7304         * arm.cc (Stub_table, Arm_input_section): New forward class
7305         declarations.
7306         (Stub_table): New class defintion.
7307         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7308         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7309         New method definition.
7310
7311 2009-10-21  Doug Kwan  <dougkwan@google.com>
7312
7313         * arm.cc: Update copyright comments.
7314         (Target_arm): New forward class template declaration.
7315         (Arm_address): New type.
7316         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7317         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7318         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7319         constants.
7320         (Insn_template): Same.
7321         (DEF_STUBS): New macro.
7322         (Stub_type): New enum type.
7323         (Stub_template): New class definition.
7324         (Stub): Same.
7325         (Reloc_stub): Same.
7326         (Stub_factory): Same.
7327         (Target_arm::Target_arm): Initialize may_use_blx_ and
7328         should_force_pic_veneer_.
7329         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7330         Target_arm::should_force_pic_veneer,
7331         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7332         Target_arm::using_thumb_only, Target_arm:;default_target): New
7333         method defintions.
7334         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7335         New data member declarations.
7336         (Insn_template::size, Insn_template::alignment): New method defintions.
7337         (Stub_template::Stub_template): New method definition.
7338         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7339         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7340         (Stub_factory::Stub_factory): New method definition.
7341         * gold.h (string_hash): New template.
7342         * output.h (Input_section_specifier::hash_value): Use
7343         gold::string_hash.
7344         (Input_section_specifier::string_hash): Remove.
7345         * stringpool.cc (Stringpool_template::string_hash): Use
7346         gold::string_hash.
7347
7348 2009-10-20  Doug Kwan  <dougkwan@google.com>
7349
7350         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7351         symbols of relaxed input sections.
7352         * output.h (Output_section::find_relaxed_input_section): Make
7353         method public.
7354
7355 2009-10-16  Doug Kwan  <dougkwan@google.com>
7356
7357         * dynobj.cc (Versions::Versions): Initialize version_script_.
7358         Only insert base version symbol definition for a shared object
7359         if version script defines any version versions.
7360         (Versions::define_base_version): New method definition.
7361         (Versions::add_def): Check that base version is not needed.
7362         (Versions::add_need): Define base version lazily.
7363         * dynobj.h (Versions::define_base_version): New method declaration.
7364         (Versions::needs_base_version_): New data member declaration.
7365         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7366         (check_DATA): Add no_version_test.stdout.
7367         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7368         New make rules.
7369         * testsuite/Makefile.in: Regenerate.
7370         * testsuite/no_version_test.c: New file.
7371         * testsuite/no_version_test.sh: Ditto.
7372
7373 2009-10-16  Doug Kwan  <dougkwan@google.com>
7374
7375         * expression.cc (class Segment_start_expression): New class definition.
7376         (Segment_start_expression::value): New method definition.
7377         (script_exp_function_segment_start): Return a new
7378         Segment_start_expression.
7379         * gold/script-c.h (script_saw_segment_start_expression): New function
7380         prototype.
7381         * script-sections.cc (Script_sections::Script_sections): Initialize
7382         SAW_SEGMENT_START_EXPRESSION_ to false.
7383         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7384         and -Tbbs options to specify section addresses if given in
7385         command line and no SEGMENT_START expression is seen in a script.
7386         * script-sections.h (Script_sections::saw_segment_start_expression,
7387         Script_sections::set_saw_segment_start_expression): New method
7388         definition.
7389         (Script_sections::saw_segment_start_expression_): New data member
7390         declaration.
7391         * script.cc (script_saw_segment_start_expression): New function.
7392         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7393         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7394         script_test_7.sh and script_test_8.sh.
7395         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7396         script_test_8.stdout.
7397         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7398         (script_test_6, script_test_6.stdout, script_test_7,
7399         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7400         * Makefile.in: Regenerate.
7401         * testsuite/script_test_6.sh: New file.
7402         * testsuite/script_test_6.t: Same.
7403         * testsuite/script_test_7.sh: Same.
7404         * testsuite/script_test_7.t: Same.
7405         * testsuite/script_test_8.sh: Same.
7406
7407 2009-10-16  Doug Kwan  <dougkwan@google.com>
7408
7409         * output.cc (Output_segment::set_section_list_address): Cast
7410         expressions to unsigned long long type to avoid format warnings.
7411
7412 2009-10-15  Ian Lance Taylor  <iant@google.com>
7413
7414         * script.cc (Script_options::add_symbol_assignment): Always add a
7415         dot assignment to script_sections_.
7416         * script-sections.cc (Script_sections::add_dot_assignment):
7417         Initialize if necessary.
7418
7419         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7420         program headers with no load segment if there is a linker script.
7421
7422         * layout.cc (Layout::set_segment_offsets): Align the file offset
7423         to the segment aligment for -N or -n with no load segment.
7424         * output.cc (Output_segment::add_output_section): Don't crash if
7425         the first section is a TLS section.
7426         (Output_segment::set_section_list_addresses): Print an error
7427         message if the address moves backward in a linker script.
7428         * script-sections.cc
7429         (Output_section_element_input::set_section_addresses): Don't
7430         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7431         (Orphan_output_section::set_section_addresses): Likewise.
7432
7433 2009-10-15  Doug Kwan  <dougkwan@google.com>
7434
7435         * layout.cc (Layout::finish_dynamic_section): Generate tags
7436         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7437         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7438         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7439
7440 2009-10-14  Ian Lance Taylor  <iant@google.com>
7441
7442         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7443         fields.
7444         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7445         data_shdr fields of relinfo.
7446         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7447         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7448         R_386_TLS_LDO_32, adjust based on section flags.
7449         (Target_i386::Relocate::fix_up_ldo): Remove.
7450
7451 2009-10-13  Ian Lance Taylor  <iant@google.com>
7452
7453         Add support for -pie.
7454         * options.h (class General_options): Add -pie and
7455         --pic-executable.
7456         (General_options::output_is_position_independent): Test -pie.
7457         (General_options::output_is_executable): Return true if not shared
7458         and not relocatable.
7459         (General_options::output_is_pie): Remove.
7460         * options.cc (General_options::finalize): Reject incompatible uses
7461         of -pie.
7462         * gold.cc (queue_middle_tasks): A -pie link is not static.
7463         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7464         * symtab.cc (Symbol::final_value_is_known): Return false if
7465         output_is_position_independent.
7466         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7467         output_is_position_independent.
7468         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7469         output_is_position_independent.
7470         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7471         output_is_position_independent.
7472         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7473         two_file_pie_test.
7474         (basic_pie_test.o, basic_pie_test): New targets.
7475         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7476         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7477         (two_file_pie_test): New target.
7478         * testsuite/Makefile.in: Rebuild.
7479         * README: Remove note saying that -pie is not supported.
7480
7481 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7482
7483         * options.h (class General_options): Add -init and -fini.
7484         * layout.cc (Layout::finish_dynamic_section): Emit
7485         given init and fini functions.
7486
7487 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7488
7489         * gc.h (gc_process_relocs): Check if icf is enabled using new
7490         function.
7491         * gold.cc (queue_initial_tasks): Likewise.
7492         (queue_middle_tasks): Likewise.
7493         * object.cc (do_layout): Likewise.
7494         * symtab.cc (is_section_folded): Likewise.
7495         * main.cc (main): Likewise.
7496         * reloc.cc (Read_relocs::run): Likewise.
7497         (Sized_relobj::do_scan_relocs): Likewise.
7498         * icf.cc (is_function_ctor_or_dtor): New function.
7499         (Icf::find_identical_sections): Check if function is ctor or dtor when
7500         safe icf is chosen.
7501         * options.h (General_options::icf): Change option to be an enum.
7502         (Icf_status): New enum.
7503         (icf_enabled): New method.
7504         (icf_safe_folding): New method.
7505         (set_icf_status): New method.
7506         (icf_status_): New variable.
7507         * (options.cc) (General_options::finalize): Set icf_status_.
7508         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7509         icf_test and icf_keep_unique_test to use the --icf enum flag.
7510         * testsuite/icf_safe_test.sh: New file.
7511         * testsuite/icf_safe_test.cc: New file.
7512
7513 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7514
7515         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7516         includes to gc.h and icf.h.
7517         * arm.cc: Include gc.h.
7518         * gold.cc: Likewise.
7519         * i386.cc: Likewise.
7520         * powerpc.cc: Likewise.
7521         * sparc.cc: Likewise.
7522         * x86_64.cc: Likewise.
7523         * gc.h: Include icf.h.
7524
7525 2009-10-11  Ian Lance Taylor  <iant@google.com>
7526
7527         * plugin.cc: Include "gold.h" before other header files.
7528
7529 2009-10-10  Chris Demetriou  <cgd@google.com>
7530
7531         * options.h (Input_file_argument::Input_file_type): New enum.
7532         (Input_file_argument::is_lib_): Replace with...
7533         (Input_file_argument::type_): New member.
7534         (Input_file_argument::Input_file_argument): Take Input_file_type
7535         'type' rather than boolean 'is_lib' as second argument.
7536         (Input_file_argument::is_lib): Use type_.
7537         (Input_file_argument::is_searched_file): New function.
7538         (Input_file_argument::may_need_search): Handle is_searched_file.
7539         * options.cc (General_options::parse_library): Support -l:filename.
7540         (General_options::parse_just_symbols): Update for Input_file_argument
7541         changes.
7542         (Command_line::process): Likewise.
7543         * archive.cc (Archive::get_file_and_offset): Likewise.
7544         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7545         * script.cc (read_script_file, script_add_file): Likewise.
7546         * fileread.cc (Input_file::Input_file): Likewise.
7547         (Input_file::will_search_for): Handle is_searched_file.
7548         (Input_file::open): Likewise.
7549         * readsyms.cc (Read_symbols::get_name): Likewise.
7550         * testsuite/Makefile.am (searched_file_test): New test.
7551         * testsuite/Makefile.in: Regenerate.
7552         * testsuite/searched_file_test.cc: New file.
7553         * testsuite/searched_file_test_lib.cc: New file.
7554
7555 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7556             Ian Lance Taylor  <iant@google.com>
7557
7558         * descriptor.cc: Include <cstdio> and "binary-io.h".
7559         (Descriptors::open): Open the files in binary mode always.
7560         * script.cc (Lex::get_token): Treat \r as whitespace.
7561
7562 2009-10-09  Ian Lance Taylor  <iant@google.com>
7563
7564         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7565
7566 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7567             Ian Lance Taylor  <iant@google.com>
7568
7569         * configure.ac: Check for readv function also.
7570         * fileread.cc (readv): Define if not HAVE_READV.
7571         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7572         does not exist.
7573         * config.in: Regenerate.
7574         * configure: Regenerate.
7575
7576 2009-10-09  Doug Kwan  <dougkwan@google.com>
7577
7578         * layout.cc (Layout::make_output_section): Call target hook to make
7579         ordinary output section.
7580         (Layout::finalize): Adjust parameter list of call the
7581         Target::may_relax().
7582         * layout.h (class Layout::section_list): New method.
7583         * merge.h (Output_merge_base::entsize): Change visibility to public.
7584         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7585         New methods.
7586         (Output_merge_string::do_is_string): New method.
7587         * object.cc (Sized_relobj::do_setup): renamed from
7588         Sized_relobj::set_up.
7589         * object.h (Sized_relobj::adjust_shndx,
7590         Sized_relobj::initializ_input_to_output_maps,
7591         Sized_relobj::free_input_to_output_maps): Change visibilities to
7592         protected.
7593         (Sized_relobj::setup): Virtualize.
7594         (Sized_relobj::do_setup): New method declaration.
7595         (Sized_relobj::invalidate_section_offset,
7596         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7597         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7598         * options.cc (parse_int): New function.
7599         * options.h (parse_int): New declaration.
7600         (DEFINE_int): New macro.
7601         (stub_group_size): New option.
7602         * output.cc (Output_section::Output_section): Initialize memebers
7603         merge_section_map_, merge_section_by_properties_map_,
7604         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7605         (Output_section::add_input_section): Handled deferred code-fill
7606         generation and remove an old comment.
7607         (Output_section::add_relaxed_input_section): New method definition.
7608         (Output_section::add_merge_input_section): Use merge section by
7609         properties map to speed to search.  Update merge section maps
7610         as appropriate.
7611         (Output_section::build_relaxation_map): New method definition.
7612         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7613         Same.
7614         (Output_section::relax_input_section): Renamed to
7615         Output_section::convert_input_sections_to_relaxed_sections and change
7616         interface to take a vector of pointers to relaxed sections.
7617         (Output_section::find_merge_section,
7618         Output_section::find_relaxed_input_section): New method definitions.
7619         (Output_section::is_input_address_mapped,
7620         Output_section::output_offset, Output_section::output_address):
7621         Use output section data maps to speed up searching.
7622         (Output_section::find_starting_output_address): Add comments.
7623         (Output_section::do_write,
7624         Output_section::write_to_postprocessing_buffer): Do code-fill
7625         generation as appropriate.
7626         (Output_section::get_input_sections): Invalidate relaxed input section
7627         map.
7628         (Output_section::restore_states): Adjust type of checkpoint .
7629         Invalidate relaxed input section map.
7630         * output.h (Output_merge_base): New class declaration.
7631         (Input_section_specifier): New class defintion.
7632         (class Output_relaxed_input_section) Change base class to
7633         Output_section_data_build.
7634         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7635         base class initializer.
7636         (Output_section::add_relaxed_input_section): New method declaration.
7637         (Output_section::Input_section): Change visibility to protected.
7638         (Output_section::Input_section::relobj,
7639         Output_section::Input_section::shndx): Handle relaxed input sections.
7640         Output_section::input_sections) Change visibility to protected.  Also
7641         define overload to return a non-const pointer.
7642         (Output_section::Merge_section_properties): New class defintion.
7643         (Output_section::Merge_section_by_properties_map,
7644         Output_section::Output_section_data_by_input_section_map,
7645         Output_section::Relaxation_map): New types.
7646         (Output_section::relax_input_section): Rename method to
7647         Output_section::convert_input_sections_to_relaxed_sections and change
7648         interface to take a vector of relaxed section pointers.
7649         (Output_section::find_merge_section,
7650         Output_section::find_relaxed_input_section,
7651         Output_section::build_relaxation_map,
7652         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7653         New method declarations.
7654         (Output_section::merge_section_map_
7655         Output_section::merge_section_by_properties_map_,
7656         Output_section::relaxed_input_section_map_,
7657         Output_section::is_relaxed_input_section_map_valid_,
7658         Output_section::generate_code_fills_at_write_): New data members.
7659         * script-sections.cc
7660         (Output_section_element_input::set_section_addresses): Call
7661         current_data_size and addralign methods of relaxed input sections.
7662         (Orphan_output_section::set_section_addresses): Call current_data_size
7663         and addralign methods of relaxed input sections.
7664         * symtab.cc (Symbol_table::compute_final_value): Extract template
7665         from the body of Symbol_table::sized_finalize_symbol.
7666         (Symbol_table::sized_finalized_symbol): Call
7667         Symbol_table::compute_final_value.
7668         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7669         (Symbol_table::compute_final_value): New templated method declaration.
7670         * target.cc (Target::do_make_output_section): New method defintion.
7671         * target.h (Target::make_output_section): New method declaration.
7672         (Target::relax): Add more parameters for input objects, symbol table
7673         and layout.  Adjust call to do_relax.
7674         (Target::do_make_output_section): New method declaration.
7675         (Target::do_relax): Add parameters for input objects, symbol table
7676         and layout.
7677
7678 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7679
7680         * pread.c: Include stdio.h.
7681
7682 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7683
7684         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7685         defined.
7686
7687 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7688
7689         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7690         Change read_shndx type to unsigned int.
7691         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7692         int.
7693         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7694         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7695         Change read_shndx type to unsigned int.
7696         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7697         int.
7698         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7699         * layout.cc (Layout::create_symtab_sections): Cast the result of
7700         local_symcount * symsize to off_t in the gold_assert.
7701
7702 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7703
7704         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7705         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7706         R_ARM_BASE_ABS.
7707         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7708         (Arm_relocate_functions::thm_abs5): New function.
7709         (Arm_relocate_functions::abs12): New function.
7710         (Arm_relocate_functions::abs16): New function.
7711         (Arm_relocate_functions::base_abs): New function.
7712         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7713         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7714         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7715         R_ARM_BASE_ABS.
7716         (Scan::global): Likewise.
7717         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7718         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7719         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7720         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7721         R_ARM_BASE_ABS.
7722
7723 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7724
7725         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7726         (Arm_relocate_functions::movt_prel): New function.
7727         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7728         (Arm_relocate_functions::thm_movt_prel): New function.
7729         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7730         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7731         (Scan::global, Relocate::relocate): Likewise.
7732         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7733
7734 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7735
7736         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7737         Incremental_checker.
7738         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7739         unsigned int.
7740         (class Incremental_inputs_header): New class.
7741         (Incremental_inputs_header_writer): Edit comment.
7742         (Incremental_inputs_entry): New class.
7743         (Incremental_inputs_entry_writer): Edit comment.
7744         (Sized_incremental_binary::do_find_incremental_inputs_section):
7745         Add *strtab_shndx parameter, fill it.
7746         (Sized_incremental_binary::do_check_inputs): New method.
7747         (Incremental_checker::can_incrementally_link_output_file): Use
7748         Sized_incremental_binary::check_inputs.
7749         (Incremental_inputs::report_command_line): Save command line in
7750         command_line_.
7751         * incremental.h:
7752         (Incremental_binary::find_incremental_inputs_section): New
7753         method.
7754         (Incremental_binary::do_find_incremental_inputs_section): Add
7755         strtab_shndx parameter.
7756         (Incremental_binary::do_check_inputs): New pure virtual method.
7757         (Sized_incremental_binary::do_check_inputs): Declare.
7758         (Incremental_checker::Incremental_checker): Add incremental_inputs
7759         parameter, use it to initialize incremental_inputs_.
7760         (Incremental_checker::incremental_inputs_): New field.
7761         (Incremental_checker::command_line): New method.
7762         (Incremental_checker::inputs): New method.
7763         (Incremental_checker::command_line_): New field.
7764
7765 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7766
7767         * incremental.cc: Include <cstdarg> and "target-select.h".
7768         (vexplain_no_incremental): New function.
7769         (explain_no_incremental): New function.
7770         (Incremental_binary::error): New method.
7771         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7772         method.
7773         (make_sized_incremental_binary): New function.
7774         (open_incremental_binary): New function.
7775         (can_incrementally_link_file): Add checks if output is ELF and has
7776         inputs section.
7777         * incremental.h: Include "elfcpp_file.h" and "output.h".
7778         (Incremental_binary): New class.
7779         (Sized_incremental_binary): New class.
7780         (open_incremental_binary): Declare.
7781         * object.cc (is_elf_object): Use
7782         elfcpp::Elf_recognizer::is_elf_file.
7783         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7784         * output.h (Output_file::filesize): New method.
7785
7786 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7787
7788         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7789         New function.
7790         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7791         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7792         function.
7793         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7794         function.
7795         (Arm_relocate_functions::movw_abs_nc): New function.
7796         (Arm_relocate_functions::movt_abs): New function.
7797         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7798         (Arm_relocate_functions::thm_movt_abs): New function.
7799         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7800         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7801         (Scan::global): Likewise.
7802         (Relocate::relocate): Likewise.
7803         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7804
7805 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7806
7807         * arm.cc (Arm_relocate_functions::got_prel) New function.
7808         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7809         (Relocate::relocate): Likewise.
7810         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7811
7812 2009-10-06  Ian Lance Taylor  <iant@google.com>
7813
7814         * options.h (class General_options): Define
7815         split_stack_adjust_size parameter.
7816         * object.h (class Object): Add uses_split_stack_ and
7817         has_no_split_stack_ fields.  Add uses_split_stack and
7818         has_no_split_stack accessor functions.  Declare
7819         handle_split_stack_section.
7820         (class Reloc_symbol_changes): Define.
7821         (class Sized_relobj): Define Function_offsets.  Declare
7822         split_stack_adjust, split_stack_adjust_reltype, and
7823         find_functions.
7824         * object.cc (Object::handle_split_stack_section): New function.
7825         (Sized_relobj::do_layout): Call handle_split_stack_section.
7826         * dynobj.cc (Sized_dynobj::do_layout): Call
7827         handle_split_stack_section.
7828         * reloc.cc (Sized_relobj::relocate_sections): Call
7829         split_stack_adjust for executable sections in split_stack
7830         objects.  Pass reloc_map to relocate_section.
7831         (Sized_relobj::split_stack_adjust): New function.
7832         (Sized_relobj::split_stack_adjust_reltype): New function.
7833         (Sized_relobj::find_functions): New function.
7834         * target-reloc.h: Include "object.h".
7835         (relocate_section): Add reloc_symbol_changes parameter.  Change
7836         all callers.
7837         * target.h (class Target): Add calls_non_split method.  Declare
7838         do_calls_non_split virtual method.  Declare match_view and
7839         set_view_to_nop.
7840         * target.cc: Include "elfcpp.h".
7841         (Target::do_calls_non_split): New function.
7842         (Target::match_view): New function.
7843         (Target::set_view_to_nop): New function.
7844         * gold.cc (queue_middle_tasks): Give an error if mixing
7845         split-stack and non-split-stack objects with -r.
7846         * i386.cc (Target_i386::relocate_section): Add
7847         reloc_symbol_changes parameter.
7848         (Target_i386::do_calls_non_split): New function.
7849         * x86_64.cc (Target_x86_64::relocate_section): Add
7850         reloc_symbol_changes parameter.
7851         (Target_x86_64::do_calls_non_split): New function.
7852         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7853         parameter.
7854         * powerpc.cc (Target_powerpc::relocate_section): Add
7855         reloc_symbol_changes parameter.
7856         * sparc.cc (Target_sparc::relocate_section): Add
7857         reloc_symbol_changes parameter.
7858         * configure.ac: Call AM_CONDITIONAL for the default target.
7859         * configure: Rebuild.
7860         * testsuite/Makefile.am (TEST_AS): New variable.
7861         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7862         (check_DATA): Add split_i386 and split_x86_64 files.
7863         (SPLIT_DEFSYMS): Define.
7864         (split_i386_[1234n].o): New targets.
7865         (split_i386_[124]): New targets.
7866         (split_i386_[1234r].stdout): New targets.
7867         (split_x86_64_[1234n].o): New targets.
7868         (split_x86_64_[124]): New targets.
7869         (split_x86_64_[1234r].stdout): New targets.
7870         (MOSTLYCLEANFILES): Add new executables.
7871         * testsuite/split_i386.sh: New file.
7872         * testsuite/split_x86_64.sh: New file.
7873         * testsuite/split_i386_1.s: New file.
7874         * testsuite/split_i386_2.s: New file.
7875         * testsuite/split_i386_3.s: New file.
7876         * testsuite/split_i386_4.s: New file.
7877         * testsuite/split_i386_n.s: New file.
7878         * testsuite/split_x86_64_1.s: New file.
7879         * testsuite/split_x86_64_2.s: New file.
7880         * testsuite/split_x86_64_3.s: New file.
7881         * testsuite/split_x86_64_4.s: New file.
7882         * testsuite/split_x86_64_n.s: New file.
7883         * testsuite/testfile.cc (Target_test): Update relocation_section
7884         function.
7885         * testsuite/Makefile.in: Rebuild.
7886
7887 2009-10-06  Ian Lance Taylor  <iant@google.com>
7888
7889         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7890         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7891         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7892         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7893         the address on ldo_addrs_.
7894         (Target_i386::Relocate::fix_up_ldo): New function.
7895
7896 2009-10-06   Rafael Espindola  <espindola@google.com>
7897
7898         * plugin.cc (add_input_library): New.
7899         (Plugin::load): Add add_input_library to tv.
7900         (Plugin_manager::add_input_file): Add the is_lib argument.
7901         (add_input_file): Update call to Plugin_manager::add_input_file.
7902         (add_input_library): New.
7903         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7904
7905 2009-09-30  Doug Kwan  <dougkwan@google.com>
7906
7907         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7908         symbol and call Symbol::may_need_copy_reloc to determine if
7909         a copy reloc is needed.
7910         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7911         nocopyreloc is given in command line.
7912         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7913         given in command line.
7914         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7915         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7916         of the removed Target_i386::may_need_copy_reloc.
7917         * options.h (copyreloc): New option with default value false.
7918         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7919         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7920         instead of the removed Target_powerpc::may_need_copy_reloc.
7921         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7922         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7923         instead of the removed Target_sparc::may_need_copy_reloc.
7924         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7925         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7926         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7927         instead of the removed Target_x86_64::may_need_copy_reloc.
7928
7929 2009-09-30  Ian Lance Taylor  <iant@google.com>
7930
7931         * object.h (class Object): Remove target_ field, and target,
7932         sized_target, and set_target methods.
7933         (Object::sized_target): Remove.
7934         (class Sized_relobj): Update declarations.  Remove sized_target.
7935         * object.cc (Sized_relobj::setup): Remove target parameter.
7936         Change all callers.
7937         (Input_objects::add_object): Don't do anything with the target.
7938         (make_elf_sized_object): Add punconfigured parameter.  Change all
7939         callers.  Set or test parameter target.
7940         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7941         Change all callers.
7942         * parameters.cc (Parameters::set_target): Change parameter type to
7943         be non-const.
7944         (Parameters::default_target): Remove.
7945         (set_parameters_target): Change parameter type to be non-const.
7946         (parameters_force_valid_target): New function.
7947         (parameters_clear_target): New function.
7948         * parameters.h (class Parameters): Update declarations.  Remove
7949         default_target method.  Add sized_target and clear_target
7950         methods.  Change target_ to be non-const.
7951         (set_parameters_target): Update declaration.
7952         (parameters_force_valid_target): Declare.
7953         (parameters_clear_target): Declare.
7954         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7955         as NULL if we aren't searching.
7956         (Add_symbols::run): Don't check for compatible target.
7957         * fileread.cc (Input_file::open_binary): Call
7958         parameters_force_valid_target.
7959         * gold.cc (queue_middle_tasks): Likewise.
7960         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7961         set_target on object.
7962         * dynobj.h (class Sized_dynobj): Update declarations.
7963         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7964         make_elf_object returns NULL.
7965         (Archive::include_member): Don't check whether object target is
7966         compatible.
7967         * output.cc (Output_section::add_input_section): Get target from
7968         parameters.
7969         (Output_section::relax_input_section): Likewise.
7970         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7971         parameters.
7972         (Sized_relobj::do_scan_relocs): Likewise.
7973         (Sized_relobj::relocate_sections): Likewise.
7974         * resolve.cc (Symbol_table::resolve): Likewise.
7975         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7976         parameter.  Change all callers.
7977         (Symbol_table::add_from_object): Get target from parameters.
7978         (Symbol_table::add_from_relobj): Don't check object target.
7979         (Symbol_table::add_from_dynobj): Likewise.
7980         (Symbol_table::define_special_symbol): Get target from
7981         parameters.
7982         * symtab.h (class Symbol_table): Update declaration.
7983         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7984         parameter.  Change all callers.  Clear parameter target.
7985         (Binary_test): Test target here.
7986         * testsuite/object_unittest.cc (gold_testsuite): Remove
7987         target_test_pointer parameter.  Change all callers.
7988         (Object_test): Test target here.
7989
7990 2009-09-26  Ian Lance Taylor  <iant@google.com>
7991
7992         * testsuite/initpri1.c: Don't try to use constructor priorities if
7993         compiling with gcc before 4.3.
7994
7995 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7996
7997         * testsuite/retain_symbols_file_test.sh (check_present): Change
7998         output file name to retain_symbols_file_test.stdout.
7999         (check_absent): Likewise.
8000
8001 2009-09-18  Craig Silverstein  <csilvers@google.com>
8002
8003         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8004         * options.cc: Include <cerrno> and <fstream>.
8005         (General_options::finalize): Parse -retain-symbols-file tag.
8006         * options.h: New flag.
8007         (General_options): New method should_retain_symbol, new
8008         variable symbols_to_retain.
8009         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8010         should_retain_symbol map.
8011         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8012         * testsuite/Makefile.in: Regenerate.
8013         * testsuite/retain_symbols_file_test.sh: New file.
8014
8015 2009-09-18  Nick Clifton  <nickc@redhat.com>
8016
8017         * po/es.po: Updated Spanish translation.
8018
8019 2009-09-17  Doug Kwan  <dougkwan@google.com>
8020
8021         * debug.h (DEBUG_RELAXATION): New constant.
8022         (DEBUG_ALL): Add DEBUG_RELAXATION.
8023         (debug_string_to_enum): Add relaxation debug option.
8024         * layout.cc
8025         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8026         Layout::Relaxation_debug_check::read_sections,
8027         Layout::Relaxation_debug_check::read_sections): New method definitions.
8028         (Layout::Layout): Initialize data members
8029         record_output_section_data_from_scrips_,
8030         script_output_section_data_list_ and relaxation_debug_check_.
8031         (Layout::save_segments, Layout::restore_segments,
8032         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8033         Layout::relaxation_loop_body): New method definitions.
8034         (Layout::finalize): Support relaxation.  Move section layout code to
8035         Layout::relaxation_loop_body.
8036         (Layout::set_asection_address_from_script): Move code for orphan
8037         section placement out.
8038         (Layout::place_orphan_sections_in_script): New method definition.
8039         * layout.h (Output_segment_headers, Output_file_header):
8040         New forward class declarations.
8041         (Layout::~Layout): Define.
8042         (Layout::new_output_section_data_from_script): New method definition.
8043         (Layout::place_orphan_sections_in_script): New method declaration.
8044         (Layout::Segment_states): New type declaration.
8045         (Layout::save_segments, Layout::restore_segments,
8046         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8047         Layout::relaxation_loop_body): New method declarations.
8048         (Layout::Output_section_data_list): New type declaration.
8049         (Layout::Relaxation_debug_check): New class definition.
8050         (Layout::record_output_section_data_from_script_,
8051         Layout::script_output_section_data_list_, Layout::segment_states_,
8052         Layout::relaxation_debug_check_): New data members.
8053         * output.cc: (Output_section_headers::do_size): New method definition.
8054         (Output_section_headers::Output_section_headers): Move size
8055         computation to Output_section_headers::do_size.
8056         (Output_segment_headers::do_size): New method definition.
8057         (Output_file_header::Output_file_header): Move size computation to
8058         Output_file_header::do_size and call it.
8059         (Output_file_header::do_size): New method definition.
8060         (Output_data_group::Output_data_group): Adjust call to
8061         Output_section_data.
8062         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8063         (Output_symtab_xindex::do_write): Add array bound check.
8064         (Output_section::Input_section::print_to_mapfile): Handle
8065         RELAXED_INPUT_SECTION_CODE.
8066         (Output_section::Output_section): Initialize data member checkpoint_.
8067         (Output_section::~Output_section): Delete checkpoint object pointed
8068         by checkpoint_.
8069         (Output_section::add_input_section): Always add an Input_section if
8070         relaxing.
8071         (Output_section::add_merge_input_section): Add assert.
8072         (Output_section::relax_input_section): New method definition.
8073         (Output_section::set_final_data_size): Set load address to zero for
8074         an unallocated section.
8075         (Output_section::do_address_and_file_offset_have_reset_values):
8076         New method definition.
8077         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8078         Handle relaxed input section.
8079         (Output_section::sort_attached_input_sections): Checkpoint input
8080         section list lazily.
8081         (Output_section::get_input_sections): Change type of input_sections to
8082         list of Simple_input_section pointers.  Checkpoint input section list
8083         lazily.  Also handle relaxed input sections.
8084         (Output_section::add_input_section_for_script): Take a reference to
8085         a Simple_input_section object instead of Relobj pointer and section
8086         index as parameter.  Handle relaxed input sections.
8087         (Output_section::save_states, Output_section::restore_states): New
8088         method definitions.
8089         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8090         (Output_data::is_data_size_fixed): New method definition.
8091         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8092         if it is fixed.
8093         (Output_data::address_and_file_offset_have_reset_values): New method
8094         definition.
8095         (Output_data::do_address_and_file_offset_have_reset_values): New method
8096         definition.
8097         (Output_data::set_data_size): Check that data size is not fixed.
8098         (Output_data::fix_data_size): New method definition.
8099         (Output_data::is_data_size_fixed_): New data member.
8100         (Output_section_headers::set_final_data_size): New method definition.
8101         (Output_section_headers::do_size): New method declaration.
8102         (Output_segment_headers::set_final_data_size): New method definition.
8103         (Output_segment_headers::do_size): New method declaration.
8104         (Output_file_header::set_final_data_size)::New method definition.
8105         (Output_file_header::do_size)::New method declaration.
8106         (Output_section_data::Output_section_data): Add new parameter
8107         is_data_size_fixed and use it to fix data size.
8108         (Output_data_const::Output_data_const): Adjust call to base class
8109         constructor and fix data size.
8110         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8111         base class constructor and fix data size.
8112         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8113         base class constructor and fix data size.
8114         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8115         class constructor and fix data size.
8116         (Output_data_group::set_final_data_size): New method definition.
8117         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8118         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8119         class constructor and fix data size.
8120         (Output_relaxed_input_section): New class definition.
8121         (Output_section::Simple_input_section): New class definition.
8122         (Output_section::get_input_sections): Adjust parameter list.
8123         (Output_section::add_input_section_for_script): Same.
8124         (Output_section::save_states, Output_section::restore_states,
8125         Output_section::do_address_and_file_offset_have_reset_values,
8126         (Output_section::Input_section::Input_section): Handle
8127         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8128         Output_relaxed_input_section.
8129         (Output_section::Input_section::is_input_section,
8130         Output_section::Input_section::set_output_section): Handle relaxed
8131         input section.
8132         (Output_section::Input_section::is_relaxed_input_section,
8133         Output_section::Input_section::output_section_data,
8134         Output_section::Input_section::relaxed_input_section): New method
8135         definitions.
8136         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8137         value.
8138         (Output_section::Input_section::u1_): Update comments.
8139         (Output_section::Input_section::u2_): Add new union member poris.
8140         (Output_section::Checkpoint_output_section): New classs definition.
8141         (Output_section::relax_input_section): New method declaration.
8142         (Output_section::checkpoint_): New data member.
8143         (Output_segment): Update comments.
8144         (Output_segment::Output_segment): Un-privatize copy constructor.
8145         (Output_segment::operator=): Un-privatize.
8146         * script-sections.cc (Output_section_element::Input_section_list):
8147         Change element type to Output_section::Simple_input_section.
8148         (Output_section_element_dot_assignment::set_section_addresses):
8149         Register output section data for relaxation clean up.
8150         (Output_data_exression::Output_data_expression): Adjust call to base
8151         constructor to fix data size.
8152         (Output_section_element_data::set_section_addresses): Register
8153         Output_data_expression object for relaxation clean up.
8154         (struct Input_section_info): Replace Relobj pointer and section index
8155         pair with Output_section::Simple_input_section and Convert struct to a
8156         class.
8157         (Input_section_sorter::operator()): Adjust access to
8158         Input_section_info data member to use accessors.
8159         (Output_section_element_input::set_section_addresses): Use layout
8160         parameter.  Adjust code to use Output_section::Simple_input_section
8161         and Input_secction_info classes.  Register filler for relaxation
8162         clean up.
8163         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8164         and section index pair with Output_section::Simple_input_section
8165         class.  Adjust code accordingly.
8166         (Phdrs_element::release_segment): New method definition.
8167         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8168         segment list.
8169         (Script_sections::release_segments): New method definition.
8170         * gold/script-sections.h (Script_sections::release_segments): New
8171         method declaration.
8172         * gold/target.h (Target::may_relax, Target::relax,
8173         Target::do_may_relax, Target::do_relax): New method definitions.
8174
8175 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8176
8177         * arm.cc (has_signed_unsigned_overflow): New function.
8178         (Arm_relocate_functions::abs8): New function.
8179         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8180         (Target_arm::Scan::global): Likewise.
8181         (Target_arm::relocate::relocate): Likewise.
8182         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8183         Likewise.
8184
8185 2009-09-16  Cary Coutant  <ccoutant@google.com>
8186
8187         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8188         * testsuite/Makefile.in: Regenerate.
8189
8190 2009-09-11  Nick Clifton  <nickc@redhat.com>
8191
8192         * po/gold.pot: Updated by the Translation project.
8193
8194 2009-09-08  Cary Coutant  <ccoutant@google.com>
8195
8196         * output.cc (Output_file::open): Add execute permission to empty file.
8197         * testsuite/Makefile.am (permission_test): New test.
8198         * testsuite/Makefile.in: Regenerate.
8199
8200 2009-09-02  Ian Lance Taylor  <iant@google.com>
8201
8202         * output.cc (Output_file::resize): Call map_no_anonymous rather
8203         than map.
8204
8205 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8206
8207         * gold.cc: Include "incremental.h".
8208         (queue_initial_tasks): Call Incremental_checker methods.
8209         * incremental.cc: Include "output.h".
8210         (Incremental_checker::can_incrementally_link_output_file): New
8211         method.
8212         * incremental.h (Incremental_checker): New class.
8213
8214         * output.cc (Output_file::open_for_modification): New method.
8215         (Output_file::map_anonymous): Changed return type to bool.  Record
8216         map in base_ field.
8217         (Output_file::map_no_anonymous): New method, broken out of map.
8218         (Output_file::map): Use map_no_anonymous and map_anonymous.
8219         * output.h (class Output_file): Update declarations.
8220
8221 2009-08-24  Cary Coutant  <ccoutant@google.com>
8222
8223         * options.h (Command_line::Pre_options): New class.
8224         (Command_line::pre_options): New member.
8225         * options.cc (gold::options::ready_to_register): New variable.
8226         (One_option::register_option): Do nothing if not registering options.
8227         Assert if same short option registered twice.
8228         (General_options::General_options): Turn off option registration when
8229         done constructing.
8230         (Command_line::Pre_options::Pre_options): New constructor.
8231
8232 2009-08-24  Cary Coutant  <ccoutant@google.com>
8233
8234         * options.h (General_options::no_keep_memory): Remove incorrect
8235         short option.
8236
8237 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8238
8239         * Makefile.am (am__skiplex, am__skipyacc): New.
8240         * Makefile.in: Regenerate.
8241
8242 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8243
8244         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8245         (INCLUDES): ... this.
8246         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8247         (AM_CPPFLAGS): Renamed from ...
8248         (INCLUDE): ... this.
8249         * Makefile.in, testsuite/Makefile.in: Regenerate.
8250
8251         * Makefile.in: Regenerate.
8252         * aclocal.m4: Likewise.
8253         * config.in: Likewise.
8254         * configure: Likewise.
8255         * testsuite/Makefile.in: Likewise.
8256
8257         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8258         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8259         * Makefile.in: Regenerate.
8260         * testsuite/Makefile.in: Regenerate.
8261
8262 2009-08-19  Cary Coutant  <ccoutant@google.com>
8263
8264         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8265         symbols in shared libraries overridden by hidden or internal symbols
8266         in the main program.
8267
8268 2009-08-19  Chris Demetriou  <cgd@google.com>
8269
8270         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8271         checking source file names in error messages.
8272
8273 2009-08-18  Doug Kwan  <dougkwan@google.com>
8274
8275         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8276         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8277         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8278         an elfcpp::Ehdr as parameter.
8279         * object.cc (Object::set_target): Remove the version that looks up
8280         a target and sets it.
8281         (Sized_relobj::setup): Take a Target object instead of
8282         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8283         (make_elf_sized_object): Find target and ask target to
8284         make an ELF object.
8285         * object.h: (Object::set_target): Remove the version that looks up
8286         a target and sets it.
8287         (Sized_relobj::setup): Take a Target object instead of
8288         an elfcpp:Ehdr as parameter.
8289         * target.cc: Include dynobj.h.
8290         (Target::do_make_elf_object_implementation): New.
8291         (Target::do_make_elf_object): New.
8292         * target.h (Target::make_elf_object): New template declaration.
8293         (Target::do_make_elf_object): New method declarations.
8294         (Target::do_make_elf_object_implementation): New template declaration.
8295
8296 2009-08-14  Ian Lance Taylor  <iant@google.com>
8297
8298         * gold.h (FUNCTION_NAME): Define.
8299         (gold_unreachable): Use FUNCTION_NAME.
8300
8301 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8302
8303         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8304         symbol in the --keep-unique list is not found.
8305
8306 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8307
8308         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8309         been maked as --keep-unique.
8310         (Icf::unfold_section): New function.
8311         * icf.h (Icf::unfold_section): New function.
8312         * options.h (General_options::keep_unique): New option.
8313         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8314         * testsuite/Makefile.in: Regenerate.
8315         * testsuite/icf_keep_unique_test.sh: New file.
8316         * testsuite/icf_keep_unique_test.cc: New file.
8317
8318 2009-08-12  Cary Coutant  <ccoutant@google.com>
8319
8320         PR 10471
8321         * resolve.cc (Symbol_table::resolve): Check for references from
8322         dynamic objects to hidden and internal symbols.
8323         * testsuite/Makefile.am (hidden_test.sh): New test.
8324         * testsuite/Makefile.in: Regenerate.
8325         * testsuite/hidden_test.sh: New script.
8326         * testsuite/hidden_test_1.c: New test source.
8327         * testsuite/hidden_test_main.c: New test source.
8328
8329 2009-08-11  Doug Kwan  <dougkwan@google.com>
8330
8331         * arm.cc: Update comments.
8332         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8333         segment to locate the .ARM.exidx section if present.
8334
8335 2009-08-09  Doug Kwan  <dougkwan@google.com>
8336
8337         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8338         patch.
8339
8340 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8341         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8342         compiler warnings.
8343
8344 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8345
8346         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8347         valid tls_segment only for non-debug-section relocations.
8348         * testsuite/Makefile.am: Add gc_tls_test.
8349         * testsuite/Makefile.in: Regenerate.
8350         * testsuite/gc_tls_test.cc: New file.
8351         * testsuite/gc_tls_test.sh: New file.
8352
8353 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8354
8355         * icf.cc: New file.
8356         * icf.h: New file.
8357         * Makefile.am (CCFILES): Add icf.cc.
8358         (HFILES): Add icf.h
8359         * Makefile.in: Regenerate.
8360         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8361         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8362         section, symbol and addend information for the relocs.
8363         * gold.cc (queue_middle_tasks): Call identical code folding.
8364         * gold.h: Add defines for multimap.
8365         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8366         to the call of finalize_local_symbols.
8367         * main.cc (main): Create object of class Icf.
8368         * object.cc (Sized_relobj::do_layout): Allow this function to be
8369         called twice during icf.
8370         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8371         to sections marked as identical by icf.
8372         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8373         when available.
8374         (Sized_relobj::do_section_entsize): New function.
8375         * object.h (Object::section_entsize): New function.
8376         (Object::do_section_entsize): New pure virtual function.
8377         (Relobj::finalize_local_symbols): Add new parameter.
8378         (Relobj::do_section_entsize): New function.
8379         * options.h (General_options::icf): New option.
8380         (General_options::icf_iterations): New option.
8381         (General_options::print_icf_sections): New option.
8382         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8383         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8384         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8385         icf.
8386         * symtab.cc (Symbol_table::is_section_folded): New function.
8387         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8388         to sections marked as identical by icf.
8389         * symtab.h (Symbol_table::set_icf): New function.
8390         (Symbol_table::icf): New function.
8391         (Symbol_table::is_section_folded): New function.
8392         (Symbol_table::icf_): New data member.
8393         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8394         * testsuite/Makefile.am: Add commands to build icf_test.
8395         * testsuite/Makefile.in: Regenerate.
8396         * testsuite/icf_test.sh: New file.
8397         * testsuite/icf_test.cc: New file.
8398
8399 2009-07-24  Chris Demetriou  <cgd@google.com>
8400
8401         * layout.cc (is_compressible_debug_section): Fix incorrect
8402         comment about compressed section names.
8403
8404 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8405
8406         PR 10419
8407         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8408
8409 2009-07-16  Ian Lance Taylor  <iant@google.com>
8410
8411         PR 10400
8412         * layout.h: #include <map>.
8413         (class Kept_section): Change from struct to class.  Add accessors
8414         and setters.  Add section size to Comdat_group mapping.  Change
8415         Comdat_group to std::map.  Add is_comdat_ field.  Add
8416         linkonce_size field in union.
8417         (class Layout): Update declaration of find_or_add_kept_section.
8418         Don't declare find_kept_object.
8419         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8420         parameter.  Add object, shndx, is_comdat, and is_group_name
8421         parameters.  Change all callers.  Adjust for new Kept_section.
8422         (Layout::find_kept_object): Remove.
8423         * object.cc (Sized_relobj::include_section_group): Update use of
8424         Kept_section.  Rename secnum to shndx.  Only record
8425         Kept_comdat_section if sections are the same size.
8426         (Sized_relobj::include_linkonce_section): Update use of
8427         Kept_section.  Only record Kept_comdat_section if sections are the
8428         same size.  Set size of linkonce section.
8429         (Sized_relobj::map_to_kept_section): Update call to
8430         get_kept_comdat_section.
8431         * object.h (class Sized_relobj): Rename fields in
8432         Kept_comdat_section to drop trailing underscores; change object
8433         field to Relobj*.  Change Kept_comdat_section_table to store
8434         struct rather than pointer.
8435         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8436         Add kept_object and kept_shndx parameters.  Change all callers.
8437         (Sized_relobj::get_kept_comdat_section): Change return type to
8438         bool.  Add kept_object and kept_shndx parameters.  Change all
8439         callers.
8440         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8441         Layout::find_or_add_kept_section.
8442
8443 2009-07-09  Ian Lance Taylor  <iant@google.com>
8444
8445         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8446         Reserve space in the hash table.
8447
8448 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8449
8450         * fileread.cc (File_read::get_mtime): New method.
8451         * fileread.h (Timespec): New structure.
8452         (File_read::get_mtime): New method.
8453         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8454         Renamed from timestamp_nsec.
8455         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8456         Elf_Xword.
8457         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8458         timestamp_nsec.
8459         (Incremental_inputs::report_archive): Save mtime; style fix.
8460         (Incremental_inputs::report_obejct): Save mtime; style fix.
8461         (Incremental_inputs::report_script): Save mtime; style fix.
8462         (Incremental_inputs::finalize_inputs): Style fix.
8463         (Incremental_inputs::finalize): Style fix.
8464         (Incremental_inputs::create_input_section_data): Store inputs
8465         mtime.
8466         * incremental.h (Incremental_inputs::report_script): Add mtime
8467         argument.
8468         (Incremental_inputs::Input_info::Input_info): Intialize only one
8469         union member.
8470         (Incremental_inputs::Input_info::archive): Move to nameless
8471         union.
8472         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8473         (Incremental_inputs::Input_info::script): Move to nameless union.
8474         (Incremental_inputs::mtime): New field.
8475         * script.cc (read_input_script): Pass file mtime to
8476         Incremental_input.
8477         * script.h (Script_info::inputs): Style fix.
8478
8479 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8480
8481         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8482         instead of 32.
8483
8484 2009-06-24  Ian Lance Taylor  <iant@google.com>
8485
8486         PR 10156
8487         * layout.cc (Layout::choose_output_section): If we find an
8488         existing section, update the flags.
8489         (Layout::create_notes): New function, broken out of
8490         Layout::finalize.
8491         (Layout::finalize): Don't create note sections.
8492         (Layout::create_note): Don't crash if linker script discards
8493         section.
8494         (Layout::create_gold_note): Likewise.
8495         (Layout::create_build_id): Likewise.  Don't set
8496         after_input_sections on the section.
8497         (Layout::create_executable_stack_info): Remove target parameter.
8498         Change caller.
8499         * layout.h (class Layout): Declare create_notes.  Update
8500         declaration of create_executable_stack_info.
8501         * gold.cc (queue_middle_tasks): Call create_notes.
8502         * output.cc (Output_section::update_flags_for_input_section): Move
8503         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8504         invalid.
8505         * output.h (Output_data::mark_address_invalid): New function.
8506         (class Output_section): Only declare, not define,
8507         update_flags_for_input_section.  Remove set_flags.
8508
8509 2009-06-24  Ian Lance Taylor  <iant@google.com>
8510
8511         * script-sections.cc (Output_section_definition::
8512         set_section_addresses): Rename shadowing local load_address to
8513         laddr.
8514
8515 2009-06-24  Ian Lance Taylor  <iant@google.com>
8516
8517         PR 10244
8518         * reloc.cc (relocate_sections): Skip empty relocation sections.
8519
8520 2009-06-23  Ian Lance Taylor  <iant@google.com>
8521
8522         PR 10156
8523         * layout.cc (Layout::create_note): Use choose_output_section
8524         rather than make_output_section.
8525
8526 2009-06-23  Ian Lance Taylor  <iant@google.com>
8527
8528         PR 10237
8529         * options.cc (General_options::parse_V): Set printed_version_.
8530         (General_options::General_options): Initialize printed_version_.
8531         * options.h (class General_options): Add printed_version_ field.
8532         * gold.cc (queue_initial_tasks): If there are no input files,
8533         don't give a fatal error if we printed the version information.
8534         (queue_middle_tasks): If using -r with a shared object, give a
8535         fatal error rather than an ordinary error.
8536
8537 2009-06-23  Ian Lance Taylor  <iant@google.com>
8538
8539         PR 10219
8540         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8541         (Layout::make_output_section): Set have_stabstr_section_ if we see
8542         a .stab*str section.
8543         (Layout::finalize): Call link_stabs_sections.
8544         (Layout::link_stabs_sections): New file.
8545         * layout.h (class Layout): Add have_stabstr_section_ field.
8546         Declare link_stabs_sections.
8547
8548 2009-06-23  Doug Kwan  <dougkwan@google.com>
8549
8550         * Makefile.am (libgold_a_LIBADD): New.
8551         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8552         * Makefile.in: Regenerate.
8553         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8554         * configure: Regenerate.
8555         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8556         * fileread.cc: Include sys/state.h
8557         * gold.h: Declare memmem and strndup if found missing.
8558         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8559
8560 2009-06-23  Ian Lance Taylor  <iant@google.com>
8561
8562         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8563         * configure: Rebuild.
8564
8565 2009-06-23  Ian Lance Taylor  <iant@google.com>
8566
8567         PR 10147
8568         * object.cc (Object::section_contents): Don't try to get a view if
8569         the section has length zero.
8570         (Object::handle_gnu_warning_section): If the section is empty, use
8571         the name of the section as the warning.
8572
8573 2009-06-23  Ian Lance Taylor  <iant@google.com>
8574
8575         PR 10133
8576         * stringpool.h (class Stringpool_template): Add optimize_ field.
8577         (Stringpool_template::set_optimize): New function.
8578         * stringpool.cc (Stringpool_template::Stringpool_template):
8579         Initialize optimize_ field.
8580         (Stringpool_template::set_string_offsets): Test local optimize
8581         fild rather than parameter.
8582         * layout.cc (Layout::Layout): Call set_optimize on the section
8583         name stringpool.
8584
8585 2009-06-22  Ian Lance Taylor  <iant@google.com>
8586
8587         PR 10030
8588         * yyscript.y: Parse TARGET.
8589         * script.cc (script_set_target): New function.
8590         * script-c.h (script_set_target): Declare.
8591         * options.cc (General_options::string_to_object_format): Rename
8592         from string_to_object_format in anonymous namespace.  Change
8593         callers.
8594         * options.h (class General_options): Declare
8595         string_to_object_format.
8596
8597 2009-06-22  Ian Lance Taylor  <iant@google.com>
8598
8599         * script-sections.cc (Script_sections::create_segments): Don't put
8600         program headers in a PT_LOAD segment if -n or -N.
8601
8602 2009-06-22  Ian Lance Taylor  <iant@google.com>
8603
8604         PR 10141
8605         * options.h (class General_options): Add -z lazy and -z now.  Sort
8606         -z options into alphabetical order.
8607         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8608
8609 2009-06-21  Ian Lance Taylor  <iant@google.com>
8610
8611         * layout.cc (Layout::make_output_section): Call
8612         Target::new_output_section.
8613         (Layout::attach_allocated_section_to_segment): Put large section
8614         sections in a separate load segment with the large segment flag
8615         set.
8616         (Layout::segment_precedes): Sort large data segments after other
8617         load segments.
8618         (align_file_offset): New static function.
8619         (Layout::set_segment_offsets): Use align_file_offset.
8620         * output.h (class Output_section): Add is_small_section_ and
8621         is_large_section_ fields.
8622         (Output_section::is_small_section): New function.
8623         (Output_section::set_is_small_section):  New function.
8624         (Output_section::is_large_section): New function.
8625         (Output_section::set_is_large_section): New function.
8626         (Output_section::is_large_data_section): New function.
8627         (class Output_segment): Add is_large_data_segment_ field.
8628         (Output_segment::is_large_data_segment): New function.
8629         (Output_segment::set_is_large_data_segment): New function.
8630         * output.cc (Output_section::Output_section): Initialize new
8631         fields.
8632         (Output_segment::Output_segment): Likewise.
8633         (Output_segment::add_output_section): Add assertion that large
8634         data sections always go in large data segments.  Force small data
8635         sections to the end of the list of data sections.  Force small BSS
8636         sections to the start of the list of BSS sections.  For large BSS
8637         sections to the end of the list of BSS sections.
8638         * symtab.h (class Symbol): Declare is_common_shndx.
8639         (Symbol::is_defined): Check Symbol::is_common_shndx.
8640         (Symbol::is_common): Likewise.
8641         (class Symbol_table): Define enum Commons_section_type.  Update
8642         declarations.  Add small_commons_ and large_commons_ fields.
8643         * symtab.cc (Symbol::is_common_shndx): New function.
8644         (Symbol_table::Symbol_table): Initialize new fields.
8645         (Symbol_table::add_from_object): Put small and large common
8646         symbols in the right list.
8647         (Symbol_table::sized_finalized_symbol): Check
8648         Symbol::is_common_shndx.
8649         (Symbol_table::sized_write_globals): Likewise.
8650         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8651         common symbol lists.  Don't call do_allocate_commons_list if the
8652         list is empty.
8653         (Symbol_table::do_allocate_commons_list): Remove is_tls
8654         parameter.  Add comons_section_type parameter.  Change all
8655         callers.  Handle small and large common symbols.
8656         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8657         Symbol::is_common_shndx.
8658         * resolve.cc (symbol_to_bits): Likewise.
8659         * target.h (Target::small_common_shndx): New function.
8660         (Target::small_common_section_flags): New function.
8661         (Target::large_common_shndx): New function.
8662         (Target::large_common_section_flags): New function.
8663         (Target::new_output_section): New function.
8664         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8665         small_common_section_flags, and large_common_section_flags
8666         fields.
8667         (Target::do_new_output_section): New virtual function.
8668         * arm.cc (Target_arm::arm_info): Initialize new fields.
8669         * i386.cc (Target_i386::i386_info): Likewise.
8670         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8671         Likewise.
8672         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8673         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8674         (Target_x86_64::do_new_output_section): New function.
8675         * configure.ac: Define conditional MCMODEL_MEDIUM.
8676         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8677         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8678         (large_LDFLAGS): Define.
8679         * testsuite/large.c: New file.
8680         * testsuite/testfile.cc (Target_test::test_target_info):
8681         Initialize new fields.
8682         * configure, testsuite/Makefile.in: Rebuild.
8683
8684 2009-06-05  Doug Kwan  <dougkwan@google.com>
8685
8686         * Makefile.am (CCFILES): Add target.cc.
8687         * Makefile.in: Regenerate.
8688         * i386.cc (class Target_i386): Define new virtual method to
8689         override do_is_local_label_name in parent.
8690         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8691         local symbols if --discard-locals or -X is given.
8692         * options.h (class General_options): Declare new options
8693         '--discard-locals' and '-X' for discarding locals.
8694         * target.h (class Target): Define new methods is_local_label_name.
8695         Declare new virtual method do_is_local_label_name.
8696         * target.cc: New file.
8697         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8698         (check_SCRIPTS): Add discard_locals_test.sh.
8699         (check_DATA): Add discard_local_tests.syms.
8700         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8701         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8702         * testsuite/Makefile.in: Regenerate.
8703         * testsuite/discard_locals_test.c: New file.
8704         * testsuite/discard_locals_test.sh: Same.
8705
8706 2009-06-05  Doug Kwan  <dougkwan@google.com>
8707
8708         * object.cc (Sized_relobj::Sized_relobj): Initialize
8709         discarded_eh_frame_shndx_ to -1U.
8710         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8711         section.
8712         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8713         a discarded .eh_frame section.
8714         (Sized_relobj::do_finalize_local_symbols): Ditto.
8715         * object.h (class Sized_relobj): Declare new member
8716         discarded_eh_frame_shndx_.
8717         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8718         (local_labels_test.o, local_labels_test): New rules.
8719         * testsuite/Makefile.in: Regenerate.
8720
8721 2009-06-04  Doug Kwan  <dougkwan@google.com>
8722
8723         * layout.cc (Layout::section_name_mapping): Add mapping for
8724         special ARM sections.
8725
8726 2009-06-03  Doug Kwan  <dougkwan@google.com>
8727
8728         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8729         (utils::has_overflow): Same.
8730
8731 2009-06-03  Ian Lance Taylor  <iant@google.com>
8732
8733         * layout.cc (Layout::section_name_mapping): New array, replacing
8734         Layout::linkonce_mapping.
8735         (Layout::section_name_mapping_count): New variable, replacing
8736         Layout::linkonce_mapping_count.
8737         (Layout::linkonce_output_name): Remove.
8738         (Layout::output_section_name): Rewrite.
8739         * layout.h (class Layout): Rename Linkonce_mapping to
8740         Section_name_mapping, linkonce_mapping to section_name_mapping,
8741         linkonce_mapping_count to section_name_mapping_count.  Don't
8742         declare linkonce_output_name.
8743
8744 2009-06-03  Doug Kwan  <dougkwan@google.com>
8745
8746         * gold/arm.cc (namespace utils): New.
8747         (Target_arm::reloc_is_non_pic): Define new method.
8748         (class Arm_relocate_functions): New.
8749         (Target_arm::Relocate::relocate): Handle relocation types used by
8750         Android.
8751
8752 2009-06-03  Ian Lance Taylor  <iant@google.com>
8753
8754         * arm.cc (Target_arm::scan::global): Use || instead of |.
8755
8756 2009-06-02  Doug Kwan  <dougkwan@google.com>
8757
8758         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8759         issued_non_pic_error_.
8760         (class Target_arm::Scan): Declare new method check_non_pic.
8761         Define new method symbol_needs_plt_entry.
8762         Declare new data member issued_non_pic_error_.
8763         (class Target_arm::Relocate): Declare new method
8764         should_apply_static_reloc.
8765         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8766         (Target_arm::Scan::check_non_pic): Define new method.
8767         (Target_arm::Scan::local): Handle a small subset of reloc types used
8768         by Android.
8769         (Target_arm::Scan::local): Same.
8770         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8771
8772 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8773
8774         * incremental.cc (Incremental_inputs::report_command_line): Filter
8775         out --incremental-* options.
8776
8777 2009-05-29  Doug Kwan  <dougkwan@google.com>
8778
8779         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8780         template class.
8781         (class Target_arm): Update comment.
8782         (Target_arm::Target_arm): Initialize new data members GOT_,
8783         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8784         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8785         and Target_arm::rel_dyn_section.
8786         Declare new_enum Target_arm::Got_type.
8787         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8788         and DYNBSS_.
8789         Update commments for member do_dynsym_value.
8790         (Target_arm::got_size, Target_arm::plt_section,
8791         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8792         new methods inside class defintion.
8793         (Target_arm::got_section): Define new method.
8794         (Target_arm::rel_dyn_section): Same.
8795         (Output_data_plt_arm): New template class.
8796         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8797         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8798         (Output_data_plt_arm::add_entry): Same.
8799         (Output_data_plt_arm::first_plt_entry): Define new
8800         static data member for PLT instruction template.
8801         (Output_data_plt_arm::plt_entry): Same.
8802         (Output_data_plt_arm::do_write): Define new method.
8803         (Target_arm::make_plt_entry): Same.
8804         (Target_arm::do_finalize_sections): Same.
8805         (Target_arm::do_dynsym_value): Same.
8806
8807 2009-05-28  Doug Kwan  <dougkwan@google.com>
8808
8809         * Makefile.am (TARGETSOURCES): Add arm.cc.
8810         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8811         * Makefile.in: Regenerate.
8812         * arm.cc: New file.
8813         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8814
8815 2009-05-26  Doug Kwan  <dougkwan@google.com>
8816
8817         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8818         (General_options::check_excluded_libs): Strip off directories in
8819         archive name before matching like GNU ld does.
8820         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8821         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8822         (exclude_libs_test_LDFLAGS): Add linker option
8823         -Wl,--exclude-libs,libexclude_libs_test_3
8824         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8825         an explicit archive without using -l.
8826         (alt/libexclude_libs_test_3.a): New make rule.
8827         * testsuite/Makefile.in: Regenerate.
8828         * testsuite/exclude_libs_test.c : Declare lib3_default().
8829         (main): Call it.
8830         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8831         * exclude_libs_test_3.c: New file.
8832
8833 2009-05-26  Nick Clifton  <nickc@redhat.com>
8834
8835         * po/id.po: New Indonesian translation.
8836         * po/gold.pot: Updated template file.
8837
8838 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8839
8840         * testsuite/Makefile.am: Add -ffunction-sections to compile
8841         gc_comdat_test files.  Add -Wl,--gc-sections to build
8842         gc_comdat_test.
8843         * testsuite/Makefile.in: Regenerate.
8844         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8845
8846 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8847
8848         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8849         kept comdat section was garbage collected.
8850         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8851         * testsuite/Makefile.in: Regenerate.
8852         * testsuite/gc_comdat_test.sh: New file.
8853         * testsuite/gc_comdat_test_1.cc: New file.
8854         * testsuite/gc_comdat_test_2.cc: New file.
8855
8856 2009-05-19  Doug Kwan  <dougkwan@google.com>
8857
8858         * archive.cc (Archive::Archive): Move constructor from archive.h
8859         to here.  Initialize no_export_.
8860         (Archive::get_elf_object_for_member): Set no_export flag of object.
8861         * archive.h (Archive::Archive): Move constructor body to
8862         archive.cc.
8863         (Archive::no_export): New method.
8864         (Archive::no_export_): New field.
8865         * object.h (Object::Object): Initialize no_export_ to false.
8866         (Object::no_export, Object::set_no_export): New methods.
8867         (Object::no_export_): New field.
8868         * options.cc (General_options::parse_exclude_libs): New method.
8869         (General_options::check_excluded_libs) Same.
8870         * options.h (exclude_libs): New option.
8871         (General_options::check_excluded_libs): New method declaration.
8872         (General_options::excluded_libs_): New field.
8873         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8874         default or protected visibility if an object has no-export flag set.
8875         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8876         (check_SCRIPTS): Add exclude_libs_test.sh.
8877         (check_DATA): Add exclude_libs_test.syms.
8878         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8879         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8880         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8881         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8882         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8883         libexclude_libs_test_2.a): New rules.
8884         * testsuite/Makefile.in: Regenerate.
8885         * testsuite/exclude_libs_test.c: New file.
8886         * testsuite/exclude_libs_test.sh: Ditto.
8887         * testsuite/exclude_libs_test_1.c: Ditto.
8888         * testsuite/exclude_libs_test_2.c: Ditto.
8889
8890 2009-05-15  Ian Lance Taylor  <iant@google.com>
8891
8892         * configure.ac: Check for declarations for cases where libiberty.h
8893         checks HAVE_DECL_xxx.
8894         * configure, config.in: Rebuild.
8895
8896 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8897
8898         * gold.h (Incremental_argument_list): Remove (invalid) forward
8899         declaration.
8900         * incremental.cc (Incremental_inputs::report_achive): New method.
8901         (Incremental_inputs::report_object): New method.
8902         (Incremental_inputs::report_script): New method.
8903         (Incremental_inputs::finalize_inputs): New method.
8904         (Incremental_inputs::finalize): Call finalize_inputs().
8905         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8906         Create inputs entries.
8907         * incremental.h (Incremental_input_type): New enum.
8908         (Incremental_inputs::Incremental_input): Initialize new fields.
8909         (Incremental_inputs::report_inputs): New method.
8910         (Incremental_inputs::report_achive): New method.
8911         (Incremental_inputs::report_object): New method.
8912         (Incremental_inputs::report_script): New method.
8913         (Incremental_inputs::finalize_inputs): New method.
8914         (Incremental_inputs::Input_info): New struct.
8915         (Incremental_inputs::Input_info_map): New typedef.
8916         (Incremental_inputs::lock_): New field.
8917         (Incremental_inputs::Inputs_): New field.
8918         (Incremental_inputs::Inputs_map): New field.
8919         * main.cc (main): Call Incremental_input::report_inputs.
8920         * options.h (Input_argument_list): Typedef moved from
8921         Input_arguments.
8922         (Input_file_group::Files): Remove, use ::Input_argument_list.
8923         (Input_file_group::Input_argument_list): Remove, use
8924         ::Input_argument_list.
8925         * plugin.cc (Plugin_manager::add_input_file): Add error in
8926         incremental build.
8927         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8928         functions.
8929         * script.cc (read_input_script): Call
8930         Incremental_input::report_script.
8931         * script.h (Script_info): New class.
8932
8933 2009-04-27  Ian Lance Taylor  <iant@google.com>
8934
8935         * x86_64.cc (do_adjust_output_section): Set entsize to
8936         plt_entry_size.
8937
8938 2009-04-23  Elliott Hughes  <enh@google.com>
8939
8940         * output.cc (Output_file::close): After short writes, continue
8941         writing from the correct offset in the buffer being written.
8942
8943 2009-04-23  Chris Demetriou  <cgd@google.com>
8944
8945         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8946         * configure: Regenerate.
8947         * config.in: Regenerate.
8948         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8949         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8950
8951 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8952
8953         * incremental.cc (Incremental_inputs_header_data): Renamed from
8954         Incremental_input_header_data.
8955         (Incremental_inputs_header_data::data_size): New field.
8956         (Incremental_inputs_header_data::put_input_file_count): Renamed
8957         from input_file_count.
8958         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8959         from command_line_offset.
8960         (Incremental_inputs_header_data::put_reserved): Renamed from
8961         put_reserved.
8962         (Incremental_inputs_entry_data): Renamed from
8963         Incremental_input_entry_data.
8964         (Incremental_inputs_entry_data::data_size): New field.
8965         (Incremental_inputs::report_command_line): New method.
8966         (Incremental_inputs::finalize): New method.
8967         (Incremental_inputs::create_incremental_inputs_data): New method.
8968         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8969         * incremental.h: New file.
8970         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8971        (Layout::finalize): Create incremental inputs section in
8972         incremental builds.
8973        (Layout::create_incremental_info_sections): New method.
8974         * layout.h (Layout::incremental_inputs): New method.
8975        (Layout::create_incremental_info_sections): New method.
8976        (Layout::incremental_inputs_): New field.
8977         * main.cc (main): Notify Incremental_input of the command line.
8978
8979 2009-04-01  Ian Lance Taylor  <iant@google.com>
8980             Mikolaj Zalewski  <mikolajz@google.com>
8981
8982         * gold.h (reserve_unordered_map): Define, three versions, one for
8983         each version of Unordered_map.
8984         * layout.cc (Layout::Layout): Remove options parameter.  Add
8985         number_of_input_files parameter.  Don't initialize options_.
8986         Initialize number_of_input_files_ and resized_signatures_.  Move
8987         sections_are_attached_.
8988         (Layout::layout_group): Reserve space for group_signatures_.
8989         (Layout::find_or_add_kept_section): Change name parameter to be a
8990         reference.  Resize signatures_ map when it gets large enough.
8991         (Layout::layout_eh_frame): Use parameters->options() instead of
8992         this->options_.
8993         (Layout::make_output_section): Likewise.
8994         (Layout::attach_allocated_section_to_segment): Likewise.
8995         (Layout::finalize, Layout::create_executable_stack): Likewise.
8996         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8997         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8998         * layout.h (class Layout): Update declarations.  Remove options_
8999         field.  Add number_of_input_files_ and resized_signatures_
9000         fields.  Move sections_are_attached_ field.
9001         * main.cc (main): Pass number of input files to Layout
9002         constructor.  Don't pass options.
9003
9004 2009-03-30  Ian Lance Taylor  <iant@google.com>
9005
9006         * ffsll.c (ffsll): Correct implementation.
9007
9008 2009-03-27  Ian Lance Taylor  <iant@google.com>
9009
9010         * ffsll.c: New file.
9011         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9012         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9013         * ftruncate.c (ftruncate): Declare before definition.
9014         * mremap.c (mremap): Likewise.
9015         * pread.c (pread): Likewise.
9016         * configure, Makefile.in, config.in: Rebuild.
9017
9018         * mremap.c: New file.
9019         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9020         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9021         (mremap): Declare if HAVE_MREMAP is not defined.
9022         * configure, Makefile.in, config.in: Rebuild.
9023
9024 2009-03-27  Cary Coutant  <ccoutant@google.com>
9025
9026         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9027         position independent.
9028         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9029         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9030
9031 2009-03-24  Cary Coutant  <ccoutant@google.com>
9032
9033         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9034         an executable.
9035         (needs_dynamic_reloc): Likewise.
9036
9037 2009-03-24  Ian Lance Taylor  <iant@google.com>
9038
9039         * yyscript.y (file_cmd): Recognize EXTERN.
9040         (extern_name_list, extern_name_list_body): New nonterminals.
9041         * script.cc (script_add_extern): Define.
9042         * script-c.h (script_add_extern): Declare.
9043
9044 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9045
9046         * object.cc (is_elf_object): Define.
9047         * object.h (is_elf_object): Declare.
9048         * archive.cc (Archive::get_elf_object_for_member): Call
9049         is_elf_object.
9050         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9051
9052 2009-03-24  Elliott Hughes  <enh@google.com>
9053
9054         * output.cc (Output_file::map_anonymous): Define.
9055         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9056         try an anonymous one.  Report the size if the mmap fails.
9057         * output.h (class Output_file): Declare map_anonymous.
9058
9059 2009-03-24  Ian Lance Taylor  <iant@google.com>
9060
9061         * target-select.cc (instantiate_target): Don't acquire the lock if
9062         the instantiated_target_ field has already been set.
9063
9064 2009-03-23  Ian Lance Taylor  <iant@google.com>
9065
9066         * gold-threads.h (class Initialize_lock): Define.
9067         * gold-threads.cc (class Initialize_lock_once): Define.
9068         (initialize_lock_control): New static variable.
9069         (initialize_lock_pointer): New static variable.
9070         (initialize_lock_once): New static function.
9071         (Initialize_lock::Initialize_lock): Define.
9072         (Initialize_lock::initialize): Define.
9073         * target-select.h: Include "gold-threads.h".
9074         (class Target_selector): Add lock_ and initialize_lock_ fields.
9075         Don't define instantiate_target, just declare it.
9076         * target-select.cc (Target_selector::Target_selector): Initialize
9077         new fields.
9078         (Target_selector::instantiate_target): Define.
9079         * descriptors.h: Include "gold-threads.h".
9080         (class Descriptors): Add initialize_lock_ field.
9081         * descriptors.cc (Descriptors::Descriptors): Initialize new
9082         field.
9083         (Descriptors::open): Use initialize_lock_ field
9084         * errors.h (class Errors): Add initialize_lock_ field.
9085         * errors.cc (Errors::Errors): Initialize new field.
9086         (Errors::initialize_lock): Use initialize_lock_ field.
9087         * powerpc.cc (class Target_selector_powerpc): Remove
9088         instantiated_target_ field.  In do_recognize call
9089         instantiate_target rather than do_instantiate_target.  In
9090         do_instantiate_target just allocate a new target.
9091         * sparc.cc (class Target_selector_sparc): Likewise.
9092
9093         * freebsd.h: New file.
9094         * i386.cc: Include "freebsd.h".
9095         (Target_i386): Derive from Target_freebsd rather than
9096         Sized_target.
9097         (Target_selector_i386): Derive from Target_selector_freebsd rather
9098         than Target_selector.
9099         * x86_64.cc: Include "freebsd.h".
9100         (Target_x86_64): Derive from Target_freebsd rather than
9101         Sized_target.
9102         (Target_selector_x86_64): Derive from Target_selector_freebsd
9103         rather than Target_selector.
9104         * target.h (class Target): Add adjust_elf_header and
9105         do_adjust_elf_header.
9106         * output.cc (Output_file_header:: do_sized_write): Call target
9107         adjust_elf_header routine.
9108         * configure.tgt: Set targ_osabi.
9109         * configure.ac: Define GOLD_DEFAULT_OSABI.
9110         * parameters.cc (Parameters::default_target): Pass
9111         GOLD_DEFAULT_OSABI to select_target.
9112         * target-select.h (class Target_selector): Make instantiate_target
9113         protected rather than private.
9114         * Makefile.am (HFILES): Add freebsd.h.
9115         * configure, Makefile.in, config.in: Rebuild.
9116
9117         * merge.cc (do_add_input_section): Correct pend value.  Change
9118         message about last entry not being null terminated from error to
9119         warning.
9120
9121 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9122
9123         * incremental.cc: New file.
9124         * Makefile.am (CCFILES): Add incremental.cc.
9125         * Makefile.in: Rebuild.
9126
9127 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9128
9129         * layout.cc (Layout::output_section_name): Preserve names
9130         of '.note.' sections.
9131
9132 2009-03-19  Ian Lance Taylor  <iant@google.com>
9133
9134         * descriptors.cc (Descriptors::open): Check that the options are
9135         valid before using them.
9136
9137 2009-03-18  Ian Lance Taylor  <iant@google.com>
9138
9139         * script-sections.h: Include <list>.
9140         (class Script_sections): Change Sections_elements from std::vector
9141         to std::list.  Typedef public Elements_iterator.  Add
9142         orphan_section_placement_, data_segment_align_start_, and
9143         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9144         field.
9145         * script-sections.cc (class Orphan_section_placement): New class.
9146         (class Sections_element): Add virtual functions is_relro and
9147         orphan_section_init.  Remove virtual function place_orphan_here.
9148         (class Output_section_definition): Add is_relro and
9149         orphan_section_init.  Remove place_orphan_here.
9150         (class Orphan_output_section): Likewise.
9151         (Script_sections::Script_sections): Update for field changes.
9152         (Script_sections::data_segment_align): Set saw_data_segment_align_
9153         and data_segment_align_start_, not data_segment_align_index.
9154         (Script_sections::data_segment_relro_end): Check
9155         saw_data_segment_align_.  Use data_segment_align_start_ rather
9156         than data_segment_align_index_.
9157         (Script_sections::place_orphan): Rewrite to use
9158         Orphan_section_placement.
9159
9160 2009-03-17  Ian Lance Taylor  <iant@google.com>
9161
9162         * archive.cc (Archive::add_symbols): Check for a version attached
9163         to the symbol name in the archive map.
9164         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9165         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9166         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9167         (ver_test_11.a): New target.
9168         * testsuite/Makefile.in: Rebuild.
9169
9170         * configure.ac: Check for chsize and posix_fallocate.  Replace
9171         ftruncate.
9172         * ftruncate.c: New file, from gnulib.
9173         * output.cc (posix_fallocate): Define dummy version if not
9174         HAVE_POSIX_FALLOCATE.
9175         (Output_file::map): Call posix_fallocate rather than lseek and
9176         write.
9177         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9178         * configure, Makefile.in, config.in: Rebuild.
9179
9180 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9181
9182         * layout.h (Layout::create_note): Add section_name parameter.
9183         * layout.cc (Layout::create_note): Likewise.
9184         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9185
9186 2009-03-17  Ian Lance Taylor  <iant@google.com>
9187
9188         * descriptors.cc: Include "options.h".
9189         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9190         (Descriptors::open): Always use O_CLOEXEC when opening a new
9191         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9192         then set FD_CLOEXEC.
9193
9194         * sparc.cc (class Target_sparc): Add has_got_section.
9195         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9196         make sure we have a GOT section.
9197
9198         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9199         (Target_sparc::Scan::local): Likewise.
9200         (Target_sparc::Scan::global): Likewise.
9201         (Target_sparc::Relocate::relocate): Likewise.
9202         (Target_sparc::Relocate::relocate_tls): Likewise.
9203
9204         * symtab.cc (Symbol_table::define_default_version): New function,
9205         broken out of add_from_object.
9206         (Symbol_table::add_from_object): Call define_default_version.
9207         (Symbol_table::define_special_symbol): Add resolve_oldsym
9208         parameter.  Change all callers.  If the version for a symbol comes
9209         from a version script, resolve it with the symbol with the same
9210         name with no version.  Also add the symbol without a version if
9211         appropriate.
9212         (do_define_in_output_data): If resolving with oldsym, don't delete
9213         sym.
9214         (do_define_in_output_segment): Likewise.
9215         (do_define_as_constant): Likewise.
9216         * symtab.h (class Symbol_table): Update declarations.
9217
9218 2009-03-13  Ian Lance Taylor  <iant@google.com>
9219
9220         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9221         (Read_symbols::requeue): New function.
9222         (Read_symbols::do_read_symbols): If make_elf_object fails because
9223         the target type is not configured, and the file was searched for,
9224         issue a warning and retry with the next directory.
9225         (Add_symbols::run): If the file has an incompatible format, and
9226         it was searched for, requeue the Read_symbols task.  On error,
9227         release the object.
9228         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9229         dirindex parameter to constructor.  Change all callers.  Declare
9230         incompatible_warning and requeue.
9231         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9232         input_argument_ and input_group_ fields.  Add them to
9233         constructor.  Change all callers.
9234         (class Read_script): Add dirindex_ field.  Add it to constructor.
9235         Change all callers.
9236         * archive.cc (Archive::setup): Remove input_objects parameter.
9237         Change all callers.
9238         (Archive::get_file_and_offset): Likewise.
9239         (Archive::read_all_symbols): Likewise.
9240         (Archive::read_symbols): Likewise.
9241         (Archive::get_elf_object_for_member): Remove input_objects
9242         parameter.  Add punconfigured parameter.  Change all callers.
9243         (Archive::add_symbols): Change return type to bool.  Check return
9244         value of include_member.
9245         (Archive::include_all_members): Likewise.
9246         (Archive::include_member): Change return type to bool.  Return
9247         false if first included object has incompatible target.  Set
9248         included_member_ field.
9249         (Add_archive_symbols::run): If add_symbols returns false, requeue
9250         Read_symbols task.
9251         * archive.h (class Archive): Add included_member_ field.
9252         Initialize it in constructor.  Add input_file and searched_for
9253         methods.  Update declarations.
9254         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9255         input_argument_ fields.  Add them to constructor.  Change all
9256         callers.
9257         * script.cc: Include "target-select.h".
9258         (class Parser_closure): Add skip_on_incompatible_target_ and
9259         found_incompatible_target_ fields.  Add
9260         skip_on_incompatible_target parameter to constructor.  Change all
9261         callers.  Add methods skip_on_incompatible_target,
9262         clear_skip_on_incompatible_target, found_incompatible_target, and
9263         set_found_incompatible_target.
9264         (read_input_script): Add dirindex parameter.  Change all callers.
9265         If parser finds an incompatible target, requeue Read_symbols
9266         task.
9267         (script_set_symbol): Clear skip_on_incompatible_target in
9268         closure.
9269         (script_add_assertion, script_parse_option): Likewise.
9270         (script_start_sections, script_add_phdr): Likewise.
9271         (script_check_output_format): New function.
9272         * script.h (read_input_script): Update declaration.
9273         * script-c.h (script_check_output_format): Declare.
9274         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9275         (ignore_cmd): Remove OUTPUT_FORMAT.
9276         * fileread.cc (Input_file::Input_file): Add explicit this.
9277         (Input_file::will_search_for): New function.
9278         (Input_file::open): Add pindex parameter.  Change all callers.
9279         * fileread.h (class Input_file): Add input_file_argument method.
9280         Declare will_search_for.  Update declarations.
9281         * object.cc (make_elf_object): Add punconfigured parameter.
9282         Change all callers.
9283         * object.h (class Object): Make input_file public.  Add
9284         searched_for method.
9285         (make_elf_object): Update declaration.
9286         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9287         restart search.
9288         * dirsearch.h (class Dirsearch): Update declaration.
9289         * options.h (class General_options): Add --warn-search-mismatch.
9290         * parameters.cc (Parameters::is_compatible_target): New function.
9291         * parameters.h (class Parameters): Declare is_compatible_target.
9292         * workqueue.cc (Workqueue::add_blocker): New function.
9293         * workqueue.h (class Workqueue): Declare add_blocker.
9294
9295         * fileread.cc (Input_file::open): Remove options parameter.
9296         Change all callers.
9297         (Input_file::open_binary): Likewise.
9298         * script.cc (read_input_script): Likewise.
9299         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9300         options parameter from constructor.  Change all callers.
9301         (class Read_script): Likewise.
9302         * fileread.h (class Input_file): Update declarations.
9303         * script.h (read_input_script): Update declaration.
9304
9305 2009-03-10  Nick Clifton  <nickc@redhat.com>
9306
9307         * po/es.po: New Spanish translation.
9308
9309 2009-03-06  Cary Coutant  <ccoutant@google.com>
9310
9311         * options.cc (parse_short_option): Keep dash_z from registering itself.
9312
9313 2009-03-03  Ian Lance Taylor  <iant@google.com>
9314
9315         PR 9918
9316         * target-reloc.h (relocate_section): Pass output_section to
9317         relocate.
9318         * i386.cc (Target_i386::should_apply_static_reloc): Add
9319         output_section parameter.  Change all callers.
9320         (Target_i386::Relocate::relocate): Add output_section parameter.
9321         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9322         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9323         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9324         * testsuite/two_file_shared.sh: New script.
9325         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9326         (check_DATA): Add two_file_shared.dbg.
9327         (two_file_shared.dbg): New target.
9328         * testsuite/Makefile.in: Rebuild.
9329
9330 2009-03-01  Ian Lance Taylor  <iant@google.com>
9331
9332         * configure.ac: Check for byteswap.h.
9333         * configure: Rebuild.
9334         * config.in: Rebuild.
9335
9336 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9337
9338         * layout.cc (Layout::find_or_add_kept_section): New function.
9339         (Layout::add_comdat): Removed.
9340         * layout.h (struct Kept_section): Move out of class Layout.
9341         Remove trailing underscores from field names.  Add group_sections
9342         field.  Rename group_ field to is_group.  Change all uses.
9343         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9344         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9345         comdat_groups_ field.
9346         (Sized_relobj::include_section_group): Use
9347         find_or_add_kept_section and Kept_section::group_sections.
9348         (Sized_relobj::include_linkonce_section): Likewise.
9349         * object.cc (class Sized_relobj): Don't define Comdat_group or
9350         Comdat_group_table.  Remove find_comdat_group and
9351         add_comdat_group.  Remove comdat_groups_ field.
9352         * plugin.cc (include_comdat_group): Use
9353         Layout::find_or_add_kept_section.
9354
9355 2009-02-28  Ian Lance Taylor  <iant@google.com>
9356
9357         * README: --gc-sections and map files are now supported.  Document
9358         some build requirements.
9359
9360         PR 6992
9361         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9362         relocatable link set the value of the section symbol to zero.
9363         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9364         relocatable link don't include the section address in the local
9365         symbol value.
9366
9367 2009-02-27  Ian Lance Taylor  <iant@google.com>
9368
9369         PR 6811
9370         * options.h (class Search_directory): Add is_system_directory.
9371         (class General_options): Declare is_in_system_directory.
9372         * options.cc (get_relative_sysroot): Make static.
9373         (get_default_sysroot): Make static.
9374         (General_optoins::is_in_system_directory): New function.
9375         * fileread.cc (Input_file::is_in_system_directory): New function.
9376         * fileread.h (class Input_file): Declare is_in_system_directory.
9377         * object.h (class Object): Add is_in_system_directory.
9378         (class Input_objects): Remove system_library_directory_ field.
9379         * object.cc (Input_objects::add_object): Don't set
9380         system_library_directory_.
9381         (input_objects::found_in_system_library_directory): Remove.
9382         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9383         parameter.  Change all callers.
9384         (Symbol_table::sized_write_globals): Likewise.
9385         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9386         Call Object::is_in_system_directory.
9387         * symtab.h (class Symbol_table): Update declarations.
9388
9389         PR 5990
9390         * descriptors.h (Open_descriptor): Add is_on_stack field.
9391         * descriptors.cc (Descriptors::open): If the descriptor is on the
9392         top of the stack, remove it.  Initialize is_on_stack field.
9393         (Descriptors::release): Only add pod to stack if it is not on the
9394         stack already.
9395         (Descriptors::close_some_descriptor): Clear stack_next and
9396         is_on_stack fields.
9397
9398         PR 7091
9399         * output.cc (Output_section::find_starting_output_address): Rename
9400         from starting_output_address; add PADDR parameter; change return
9401         type.
9402         * output.h (class Output_section): Declare
9403         find_starting_output_address instead of starting_output_address.
9404         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9405         section symbol for which we can't find a merge section.
9406
9407         PR 9836
9408         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9409         hidden or internal, force the symbol to be local.
9410         * resolve.cc (Symbol::override_visibility): Define.
9411         (Symbol::override_base): Use override_visibility.
9412         (Symbol_table::resolve): Likewise.
9413         (Symbol::override_base_with_special): Likewise.
9414         (Symbol_table::override_with_special): If the visibility is hidden
9415         or internal, force the symbol to be local.
9416         * symtab.h (class Symbol): Add set_visibility and
9417         override_visibility.
9418         * testsuite/ver_test_1.sh: New file.
9419         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9420         (check_DATA): Add ver_test_1.syms.
9421         (ver_test_1.syms): New target.
9422         * testsuite/Makefile.in: Rebuild.
9423
9424 2009-02-25  Cary Coutant  <ccoutant@google.com>
9425
9426         * layout.cc (Layout::choose_output_section): Don't rename sections
9427         when using a linker script that has a SECTIONS clause.
9428         * Makefile.in: Regenerate.
9429
9430         * testsuite/Makefile.am (script_test_5.sh): New test case.
9431         * testsuite/Makefile.in: Regenerate.
9432         * testsuite/script_test_5.cc: New file.
9433         * testsuite/script_test_5.sh: New file.
9434         * testsuite/script_test_5.t: New file.
9435
9436 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9437
9438         * archive.cc (Archive::include_member): Update calls to add_symbols.
9439         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9440         the Layout argument.
9441         * dynobj.h (do_add_symbols): Add the Layout argument.
9442         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9443         Layout argument.
9444         * object.h (Object::add_symbols): Add the Layout argument.
9445         (Object::do_add_symbols): Add the Layout argument.
9446         (Sized_relobj::do_add_symbols): Add the Layout argument.
9447         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9448         Unify the two versions.
9449         (Add_plugin_symbols): Remove.
9450         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9451         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9452         (Add_plugin_symbols): Remove.
9453         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9454         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9455         (Add_symbols::run): Make it work with Pulginobj.
9456
9457 2009-02-06  Ian Lance Taylor  <iant@google.com>
9458
9459         * object.cc (Sized_relobj::do_layout): Make info message start
9460         with lower case letter.
9461
9462 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9463
9464         * binary.cc: Fix file comment.
9465
9466         * options.h (enum Incremental_disposition): Define.
9467         (class General_options): Add new options: --incremental,
9468         --incremental_changed, --incremental_unchanged,
9469         --incremental_unknown.  Add incremental_disposition_ and
9470         implicit_incremental_ fields.
9471         (General_options::incremental_disposition): New function.
9472         (class Position_dependent_options): Add incremental_disposition
9473         option.
9474         (Position_dependent_options::copy_from_options): Set incremental
9475         dispositions.
9476         * options.cc (General_options::parse_incremental_changed): New
9477         function.
9478         (General_options::parse_incremental_unchanged): New function.
9479         (General_options::parse_incremental_unknown): New function.
9480         (General_options::General_options): Initialize new fields
9481         incremental_disposition_ and implicit_incremental_.
9482         (General_options::finalize): Check for uasge of --incremental-*
9483         without --incremental.
9484
9485 2009-02-06  Chris Demetriou  <cgd@google.com>
9486
9487         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9488         pointer and to report location as the file name associated with
9489         the symbol.
9490         (gold_undefined_symbol_at_location): New function to replace the
9491         old gold_undefined_symbol functionality.
9492         * target-reloc.h (relocate_section): Update to use
9493         gold_undefined_symbol_at_location.
9494         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9495         Call gold_undefined_symbol function rather than gold_error.
9496         * errors.h (Errors::undefined_symbol): Take location as a
9497         string, rather than calculating it from a relocation.
9498         * errors.cc (Errors::fatal): Print "fatal error:" before the
9499         formatted message.
9500         (Errors::error, Errors::error_at_location): Print "error: "
9501         before the formatted message.
9502         (Errors::undefined_symbol): Take location as a string, rather
9503         than calculating it from a relocation.
9504         (gold_undefined_symbol_at_location): New function akin to
9505         old gold_undefined_symbol, calculates location from relocation.
9506         (gold_undefined_symbol): Change to take only a Symbol pointer
9507         and to report location as the file name associated with the symbol.
9508         * testsuite/debug_msg.sh: Update for changed error messages.
9509         * testsuite/undef_symbol.sh: Likewise.
9510
9511 2009-02-04  Duncan Sands  <baldrick@free.fr>
9512
9513         PR 9812
9514         * reduced_debug_output.h
9515         (Output_reduced_debug_abbrev_section::failed): Use format for
9516         gold_warning.
9517         (Output_reduced_debug_info_section::faild): Likewise.
9518
9519 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9520
9521         * script.cc (Lazy_demangler): New class.
9522         (Version_script_info::get_symbol_version_helper): Demangle a
9523         symbol only once.
9524
9525 2009-01-29  Cary Coutant  <ccoutant@google.com>
9526
9527         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9528         to __tls_get_addr.
9529         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9530
9531 2009-01-28  Ian Lance Taylor  <iant@google.com>
9532
9533         * version.cc (version_string): Bump to 1.9.
9534
9535         * gold.h: Include <cstring> and <stdint.h>.
9536         * version.cc: Include <cstdio>.
9537         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9538         warning.
9539         * reduced_debug_output.cc (insert_into_vector): Rename from
9540         Insert_into_vector; change all callers.  Use Swap_unaligned to
9541         avoid aliasing issue; remove union since it is unnecessary.
9542
9543 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9544
9545         * Makefile.am (CCFILES): Add gc.cc.
9546         (HFILES): Add gc.h.
9547         * Makefile.in: Regenerate.
9548         * gold.cc (Gc_runner): New class.
9549         (queue_initial_tasks): Call garbage collection related tasks
9550         when corresponding options are invoked.
9551         (queue_middle_gc_tasks): New function.
9552         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9553         processed early before laying out sections during garbage collection.
9554         * gold.h (queue_middle_gc_tasks): New function.
9555         (is_prefix_of): Move from "layout.cc".
9556         * i386.cc (Target_i386::gc_process_relocs): New function.
9557         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9558         * main.cc (main): Create object of class "Garbage_collection".
9559         * object.cc (Relobj::copy_symbols_data): New function.
9560         (Relobj::is_section_name_included): New function.
9561         (Sized_relobj::do_layout): Allow this function to be called twice
9562         during garbage collection and defer layout of section during the
9563         first call.
9564         * object.h (Relobj::get_symbols_data): New function.
9565         (Relobj::is_section_name_included): New function.
9566         (Relobj::copy_symbols_data): New function.
9567         (Relobj::set_symbols_data): New function.
9568         (Relobj::get_relocs_data): New function.
9569         (Relobj::set_relocs_data): New function.
9570         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9571         (Relobj::gc_process_relocs): New function.
9572         (Relobj::do_gc_process_relocs): New pure virtual function.
9573         (Relobj::sd_): New data member.
9574         (Sized_relobj::is_output_section_offset_invalid): New function.
9575         (Sized_relobj::do_gc_process_relocs): New function.
9576         * options.h (General_options::gc_sections): Modify to not be a no-op.
9577         (General_options::print_gc_sections): New option.
9578         * plugin.cc (Plugin_finish::run): Remove function call to
9579         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9580         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9581         * reloc.cc (Read_relocs::run): Add task to process relocs and
9582         determine unreferenced sections when doing garbage collection.
9583         (Gc_process_relocs): New class.
9584         (Sized_relobj::do_gc_process_relocs): New function.
9585         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9586         sections that are garbage collected.
9587         * reloc.h (Gc_process_relocs): New class.
9588         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9589         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9590         symbols whose corresponding sections are garbage collected.
9591         (Symbol_table::Symbol_table): Add new parameter for the garbage
9592         collection object.
9593         (Symbol_table::gc_mark_undef_symbols): New function.
9594         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9595         (Symbol_table::gc_mark_dyn_syms): New function.
9596         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9597         as garbage.
9598         (Symbol_table::add_from_object): Likewise.
9599         (Symbol_table::add_from_relobj): When building shared objects, do not
9600         treat externally visible symbols as garbage.
9601         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9602         table information for static and relocatable links.
9603         * symtab.h (Symbol_table::set_gc): New function.
9604         (Symbol_table::gc): New function.
9605         (Symbol_table::gc_mark_undef_symbols): New function.
9606         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9607         (Symbol_table::gc_mark_dyn_syms): New function.
9608         (Symbol_table::gc_): New data member.
9609         * target.h (Sized_target::gc_process_relocs): New pure virtual
9610         function.
9611         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9612         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9613
9614 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9615
9616         * options.h (General_options::gc_sections): Define as a no-op for now.
9617         (General_options::no_keep_memory): Ditto.
9618         (General_options::Bshareable): Define.
9619         * options.cc (General_options::finalize): Honor -Bshareable.
9620
9621 2009-01-20  Andreas Schwab  <schwab@suse.de>
9622
9623         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9624         read the value in the contents, since we don't use it.  Use the
9625         template endianness when writing.
9626         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9627
9628 2009-01-19  Andreas Schwab  <schwab@suse.de>
9629
9630         * configure.tgt (powerpc64-*): Fix targ_obj.
9631
9632 2009-01-15  Ian Lance Taylor  <iant@google.com>
9633
9634         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9635         local symbols when stripping all symbols.
9636
9637 2009-01-14  Cary Coutant  <ccoutant@google.com>
9638
9639         * output.cc (Output_reloc): Add explicit instantiations.
9640
9641 2009-01-14  Cary Coutant  <ccoutant@google.com>
9642
9643         * archive.cc (Archive::get_elf_object_for_member): Remove call
9644         to File_read::claim_for_plugin.
9645         * descriptors.cc (Descriptors::open): Remove reference to
9646         is_claimed.
9647         (Descriptors::claim_for_plugin): Remove.
9648         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9649         (Descriptors::is_claimed): Remove.
9650         (claim_descriptor_for_plugin): Remove.
9651         * fileread.cc (File_read::claim_for_plugin): Remove.
9652         * fileread.h (File_read::claim_for_plugin): Remove.
9653         (File_read::descriptor): Reopen descriptor if necessary.
9654         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9655         (Plugin_manager::all_symbols_read): Add task parameter. Change
9656         all callers.
9657         (Plugin_manager::get_input_file): New function.
9658         (Plugin_manager::release_input_file): New function.
9659         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9660         corresponding data member.
9661         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9662         and pass to base constructor. Change all callers.
9663         (get_input_file, release_input_file): New functions.
9664         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9665         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9666         (Plugin_manager::all_symbols_read): Add task parameter.
9667         (Plugin_manager::get_input_file): New function.
9668         (Plugin_manager::release_input_file): New function.
9669         (Plugin_manager::task_): New data member.
9670         (Pluginobj::Pluginobj): Add filesize parameter.
9671         (Pluginobj::filename): New function.
9672         (Pluginobj::descriptor): New function.
9673         (Pluginobj::filesize): New function.
9674         (Pluginobj::filesize_): New data member.
9675         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9676         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9677         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9678
9679         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9680         with archive libraries.
9681         * testsuite/Makefile.in: Regenerate.
9682         * testsuite/plugin_test.c (struct sym_info): New type.
9683         (get_input_file, release_input_file): New static variables.
9684         (onload): Capture new transfer vector entries.
9685         (claim_file_hook): Stop reading at end of file according to filesize.
9686         Factor out parsing of readelf output into separate function.
9687         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9688         APIs and get the source file name from the symbol table.  Convert
9689         source file name to corresponding object file name.  Print info
9690         message when adding new input files.
9691         (parse_readelf_line): New function.
9692         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9693         * testsuite/plugin_test_2.sh: Likewise.
9694         * testsuite/plugin_test_3.sh: Likewise.
9695         * testsuite/plugin_test_4.sh: New test case.
9696
9697 2009-01-07  Ian Lance Taylor  <iant@google.com>
9698
9699         * version.cc (version_string): Bump to 1.8.
9700
9701 2008-12-23  Cary Coutant  <ccoutant@google.com>
9702
9703         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9704         * plugin.cc (Plugin_manager::finish): Rename as
9705         layout_deferred_objects.  Move cleanup to separate function.
9706         (Plugin_manager::cleanup): New function.
9707         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9708         separately.
9709         * plugin.h (Plugin_manager::finish): Rename as
9710         layout_deferred_objects.
9711         (Plugin_manager::cleanup): New function.
9712         (Plugin_manager::cleanup_done): New field.
9713
9714 2008-12-23  Cary Coutant  <ccoutant@google.com>
9715
9716         * plugin.cc (is_visible_from_outside): New function.
9717         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9718         so we don't return "IR only" status for exported symbols or -r links.
9719
9720         * testsuite/Makefile.am (plugin_test_3): New test case.
9721         * testsuite/Makefile.in: Regenerate.
9722         * testsuite/plugin_test_3.sh: New file.
9723
9724 2008-12-22  Cary Coutant  <ccoutant@google.com>
9725
9726         * object.cc (Sized_relobj::layout_section): New function.
9727         (Sized_relobj::do_layout): Defer layout of input sections until after
9728         plugin has provided replacement files.
9729         (Sized_relobj::do_layout_deferred_sections): New function.
9730         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9731         (Relobj::layout_deferred_sections): New function.
9732         (Relobj::do_layout_deferred_sections): New function.
9733         (Sized_relobj::do_layout_deferred_sections): New function.
9734         (Sized_relobj::layout_section): New function.
9735         (Sized_relobj::Deferred_layout): New structure.
9736         (Sized_relobj::deferred_layout_): New field.
9737         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9738         Change all callers.  Layout deferred sections.
9739         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9740         references.
9741         (Plugin_hook::run): Move code from do_plugin_hook inline.
9742         (Plugin_hook::do_plugin_hook): Remove.
9743         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9744         (Plugin_manager::finish): Renamed, was cleanup.
9745         (Plugin_manager::should_defer_layout): New function.
9746         (Plugin_manager::add_deferred_layout_object): New function.
9747         (Plugin_manager::Deferred_layout_list): New type.
9748         (Plugin_manager::deferred_layout_objects_): New field.
9749         (Plugin_hook::do_plugin_hook): Remove.
9750
9751 2008-12-17  Ian Lance Taylor  <iant@google.com>
9752
9753         * options.h (class General_options): Add --no case for
9754         --export-dynamic.
9755
9756 2008-12-16  Cary Coutant  <ccoutant@google.com>
9757
9758         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9759         vector.
9760         (Plugin_manager::claim_file): Create plugin object even if
9761         plugin did not call the add_symbols callback.
9762         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9763         asking for more symbols than were added.
9764         * testsuite/Makefile.am (plugin_test_1): Add test case with
9765         no global symbols.
9766         (empty.syms): New target.
9767         * testsuite/Makefile.in: Regenerate.
9768         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9769         message. Don't call add_symbols if no globals.
9770         (all_symbols_read_hook): Don't provide replacement for empty
9771         claimed file.
9772
9773 2008-12-12  Ian Lance Taylor  <iant@google.com>
9774
9775         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9776         r_type == 0 for a local symbol with r_sym == 0.
9777         (scan_relocatable_relocs): Pass r_sym to
9778         local_non_section_strategy.
9779         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9780         r_sym parameter.
9781
9782         * configure.ac: Update test for TLS descriptors: they are
9783         supported as of glibc 2.9.
9784         * configure: Rebuild.
9785
9786 2008-12-11  Ian Lance Taylor  <iant@google.com>
9787
9788         PR 7091
9789         * target-reloc.h (Default_scan_relocatable_relocs): For each
9790         function, map r_type == 0 to RELOC_DISCARD.
9791
9792 2008-12-10  Cary Coutant  <ccoutant@google.com>
9793
9794         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9795         object to override a kept COMDAT group from a plugin object.
9796
9797 2008-12-09  Ian Lance Taylor  <iant@google.com>
9798
9799         PR 7088
9800         * yyscript.y (file_cmd): Handle INPUT.
9801
9802         * testsuite/initpri1.c: Change all declarations to be full
9803         prototypes by adding void, to avoid compiler warnings.
9804
9805 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9806
9807         * options.cc (General_options::parse_plugin_opt): New.
9808         (General_options::add_plugin): The argument now is just the filename.
9809         (General_options::add_plugin_option): New.
9810         * options.h (plugin_opt): New.
9811         (add_plugin): Change argument name.
9812         (add_plugin_option): New.
9813         * plugin.cc (Plugin::load): Don't parse the plugin option.
9814         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9815         (Plugin::add_option): New.
9816         (Plugin::args_): Change type.
9817         (Plugin::filename_): New.
9818         (Plugin_manager::add_plugin_option): New.
9819         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9820         * testsuite/Makefile.in: Regenerate.
9821
9822 2008-12-05  Cary Coutant  <ccoutant@google.com>
9823
9824         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9825         Handle --strip-lto-sections option.
9826         * options.h (strip_lto_sections): New option.
9827
9828 2008-12-01  Cary Coutant  <ccoutant@google.com>
9829
9830         * plugin.cc (ld_plugin_message): Change format parameter to const.
9831         Fix mismatch between new[] and delete.
9832
9833 2008-11-14  Cary Coutant  <ccoutant@google.com>
9834
9835         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9836         instead of -1U.
9837
9838 2008-11-05  Craig Silverstein  <csilvers@google.com>
9839
9840         * options.cc (General_options::parse_dynamic_list): New function.
9841         * options.h (General_options): New flags dynamic_list,
9842         dynamic_list_data, dynamic_list_cpp_new, and
9843         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9844         (General_options::in_dynamic_list): New function.
9845         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9846         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9847         (Lex::can_continue_name): Likewise.
9848         (yylex): Likewise.
9849         (read_script_file): New parameter script_options.
9850         (read_dynamic_list): New function.
9851         (Script_options::define_dynamic_list): New function.
9852         (dynamic_list_keyword_parsecodes): New variable.
9853         (dynamic_list_keywords): New variable.
9854         * script.h (Script_options::define_dynamic_list): New function
9855         prototype.
9856         (read_dynamic_list): New function prototype.
9857         * symtab.cc (strprefix): New macro.
9858         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9859         dynamic_list_data, dynamic_list_cpp_new, and
9860         dynamic_list_cpp_typeinfo.
9861         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9862         (dynamic_list_expr): New rule.
9863         (dynamic_list_nodes): Likewise.
9864         (dynamic_list_node): Likewise.
9865         * testsuite/Makefile.am (dynamic_list): New test.
9866         * testsuite/Makefile.in: Regenerated.
9867         * testsuite/dynamic_list.t: New file.
9868         * testsuite/dynamic_list.sh: New file.
9869
9870 2008-11-05  Craig Silverstein  <csilvers@google.com>
9871
9872         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9873         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9874         (t11_last): Likewise.
9875         * testsuite/ver_test_6.c (main): Likewise.
9876
9877 2008-10-07  Cary Coutant  <ccoutant@google.com>
9878
9879         * options.c (General_options::finalize): Add check for -static and
9880         -shared.
9881         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9882         is not empty.
9883
9884 2008-10-02  Cary Coutant  <ccoutant@google.com>
9885
9886         * plugin.cc (make_sized_plugin_object): Fix conditional
9887         compilation to work when not all targets are enabled.
9888
9889 2008-09-29  Cary Coutant  <ccoutant@google.com>
9890
9891         * archive.cc (Archive::get_file_and_offset): Use filename instead
9892         of name to get library path.
9893         (Archive::include_member): Unlock external member of a thin archive.
9894
9895         * testsuite/Makefile.am (TEST_AR): New variable.
9896         (thin_archive_test_1): New test.
9897         (thin_archive_test_2): New test.
9898         * testsuite/Makefile.in: Regenerate.
9899         * testsuite/thin_archive_main.cc: New file.
9900         * testsuite/thin_archive_test_1.cc: New file.
9901         * testsuite/thin_archive_test_2.cc: New file.
9902         * testsuite/thin_archive_test_3.cc: New file.
9903         * testsuite/thin_archive_test_4.cc: New file.
9904
9905 2008-09-29  Cary Coutant  <ccoutant@google.com>
9906
9907         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9908         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9909         instead of -1U.
9910         (Sized_relobj::do_finalize_local_symbols): Likewise.
9911         (Sized_relobj::map_to_kept_section): Likewise.
9912         * object.h (Sized_relobj::invalid_address): New constant.
9913         (Sized_relobj::do_output_section_offset): Check for invalid_address
9914         and return -1ULL.
9915         * output.cc (Output_reloc::local_section_offset): Use constant
9916         invalid_address instead of -1U.
9917         (Output_reloc::get_address): Likewise.
9918         (Output_section::output_address): Change -1U to -1ULL.
9919         * output.h (Output_reloc::invalid_address): New constant.
9920         * reloc.cc (Sized_relobj::write_sections): Use constant
9921         invalid_address instead of -1U.
9922         (Sized_relobj::relocate_sections): Likewise.
9923         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9924         values for merge sections.
9925         * target-reloc.h (relocate_for_relocatable): Use constant
9926         invalid_address instead of -1U.
9927
9928 2008-09-19  Cary Coutant  <ccoutant@google.com>
9929
9930         Add plugin functionality for link-time optimization (LTO).
9931         * configure.ac (plugins): Add --enable-plugins option.
9932         * configure: Regenerate.
9933         * config.in: Regenerate.
9934         * Makefile.am (LIBDL): New variable.
9935         (CCFILES): Add plugin.cc.
9936         (HFILES): Add plugin.h.
9937         (ldadd_var): Add LIBDL.
9938         * Makefile.in: Regenerate.
9939
9940         * archive.cc: Include "plugin.h".
9941         (Archive::setup): Don't preread archive symbols when using a plugin.
9942         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9943         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9944         files.
9945         (Archive::include_member): Add symbols from plugin objects.
9946         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9947         * descriptors.cc (Descriptors::open): Check for file descriptors
9948         abandoned by plugins.
9949         (Descriptors::claim_for_plugin): New function.
9950         * descriptors.h (Descriptors::claim_for_plugin): New function.
9951         (Open_descriptor::is_claimed): New field.
9952         (claim_descriptor_for_plugin): New function.
9953         * fileread.cc (File_read::claim_for_plugin): New function.
9954         * fileread.h (File_read::claim_for_plugin): New function.
9955         (File_read::descriptor): New function.
9956         * gold.cc: Include "plugin.h".
9957         (queue_initial_tasks): Add task to call plugin hooks for generating
9958         new object files.
9959         * main.cc: Include "plugin.h".
9960         (main): Load plugin libraries.
9961         * object.h (Pluginobj): Declare.
9962         (Object::pluginobj): New function.
9963         (Object::do_pluginobj): New function.
9964         (Object::set_target): New function.
9965         * options.cc: Include "plugin.h".
9966         (General_options::parse_plugin): New function.
9967         (General_options::General_options): Initialize plugins_ field.
9968         (General_options::add_plugin): New function.
9969         * options.h (Plugin_manager): Declare.
9970         (General_options): Add --plugin option.
9971         (General_options::has_plugins): New function.
9972         (General_options::plugins): New function.
9973         (General_options::add_plugin): New function.
9974         (General_options::plugins_): New field.
9975         * plugin.cc: New file.
9976         * plugin.h: New file.
9977         * readsyms.cc: Include "plugin.h".
9978         (Read_symbols::do_read_symbols): Check for archive before checking
9979         for ELF file.  Call plugin hooks to claim files.
9980         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9981         from a real object file; force override when processing replacement
9982         files.
9983         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9984         (Symbol::init_base_object): Likewise.
9985         (Symbol::init_base_output_data): Likewise.
9986         (Symbol::init_base_output_segment): Likewise.
9987         (Symbol::init_base_constant): Likewise.
9988         (Symbol::init_base_undefined): Likewise.
9989         (Symbol::output_section): Assert that object is not a plugin.
9990         (Symbol_table::add_from_pluginobj): New function.
9991         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9992         undefined.
9993         (Symbol_table::sized_write_globals): Likewise.
9994         (Symbol_table::add_from_pluginobj): Instantiate template.
9995         * symtab.h (Sized_pluginobj): Declare.
9996         (Symbol::in_real_elf): New function.
9997         (Symbol::set_in_real_elf): New function.
9998         (Symbol::in_real_elf_): New field.
9999         (Symbol_table::add_from_pluginobj): New function.
10000
10001         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10002         (LIBDL): New variable.
10003         (LDADD): Add LIBDL.
10004         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10005         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10006         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10007         (MOSTLYCLEANFILES): Likewise.
10008         * testsuite/Makefile.in: Regenerate.
10009         * testsuite/plugin_test.c: New file.
10010         * testsuite/plugin_test_1.sh: New file.
10011         * testsuite/plugin_test_2.sh: New file.
10012
10013 2008-09-16  Ian Lance Taylor  <iant@google.com>
10014
10015         * target-reloc.h (relocate_section): Check whether a symbol is
10016         defined by the ABI before reporting an undefined symbol error.
10017         * target.h (Target::is_defined_by_abi): Make parameter const.
10018         (Target::do_is_defined_by_abi): Likewise.
10019         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10020         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10021         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10022         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10023         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10024         * testsuite/Makefile.in: Rebuild.
10025
10026         * fileread.cc (make_view): Add casts to avoid warning.
10027
10028 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10029
10030         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10031         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10032
10033 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10034
10035         * options.h (General_options::output_is_executable): New.
10036         (General_options::output_is_pie): New.
10037         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10038         for shared libraries.
10039         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10040
10041 2008-09-11  Chris Demetriou  <cgd@google.com>
10042
10043         * options.h (origin): New -z option.
10044         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10045         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10046         in DT_FLAGS_1.
10047
10048 2008-09-05  Cary Coutant  <ccoutant@google.com>
10049
10050         * fileread.cc (File_read::make_view): Add check for attempt to map
10051         beyond end of file.
10052
10053 2008-09-05  Cary Coutant  <ccoutant@google.com>
10054
10055         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10056         explicit instantiations.
10057
10058 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10059
10060         PR gold/6858
10061         * options.cc (General_options::finalize): Allow undefined symbols
10062         in shlibs if linking -shared.
10063
10064         PR gold/6859
10065         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10066         symbols as not needing a dynsym entry.
10067
10068 2008-08-20  Craig Silverstein  <csilvers@google.com>
10069
10070         * fileread.cc (File_read::open): Do not lock the file unless it
10071         was successfully opened.
10072
10073 2008-08-14  Cary Coutant  <ccoutant@google.com>
10074
10075         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10076         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10077         * testsuite/tls_test.cc (struct int128): 128-bit struct
10078         for testing TLS relocs with non-zero addend.
10079         (v12): New TLS variable.
10080         (t12): New test.
10081         (t_last): Add check for v12.
10082         * testsuite/tls_test.h (t12): New function.
10083         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10084
10085 2008-08-13  Ian Lance Taylor  <iant@google.com>
10086
10087         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10088         set tls_segment_ or relro_segment_.
10089         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10090         when appropriate.
10091         * output.h (Output_section::clear_is_relro): New function.
10092         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10093         sections specially even when output_data_ is empty.
10094         (Output_segment::maximum_alignment): When first section is relro,
10095         only force alignment for PT_LOAD segments.
10096         * script.cc (script_data_segment_align): New function.
10097         (script_data_segment_relro_end): New function.
10098         * script-c.h (script_data_segment_align): Declare.
10099         (script_data_segment_relro_end): Declare.
10100         * script-sections.h (class Script_sections): Declare
10101         data_segment_align and data_segment_relro_end.  Add fields
10102         segment_align_index_ and saw_relro_end_.
10103         * script-sections.cc (class Sections_element): Add set_is_relro
10104         virtual function.  Add new bool* parameter to place_orphan_here.
10105         Add get_output_section virtual function.
10106         (class Output_section_definition): Add set_is_relro.  Add new
10107         bool* parameter to place_orphan_here.  Add get_output_section.
10108         Add is_relro_ field.
10109         (Output_section_definition::Output_section_definition): Initialize
10110         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10111         and is_relro_ fields.
10112         (Output_section_definition::place_orphan_here): Add is_relro
10113         parameter.
10114         (Output_section_definition::set_section_addresses): Set relro for
10115         output section.
10116         (Output_section_definition::alternate_constraint): Likewise.
10117         (class Orphan_output_section): Add new bool* parameter to
10118         place_orphan_here.  Add get_output_section.
10119         (Orphan_output_section::place_orphan_here): Add is_relro
10120         parameter.
10121         (Script_sections::Script_sections): Initialize
10122         data_segment_align_index_ and saw_relro_end_.
10123         (Script_sections::data_segment_align): New function.
10124         (Script_sections::data_segment_relro_end): New function.
10125         (Script_sections::place_orphan): Set or clear is_relro.
10126         (Script_sections::set_section_addresses): Force alignment of first
10127         TLS section.
10128         * yyscript.y (exp): Call script_data_segment_align and
10129         script_data_segment_relro_end.
10130         * testsuite/relro_script_test.t: New file.
10131         * testsuite/relro_test.cc (using_script): Declare.
10132         (t1, t2): Test using_script.
10133         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10134         (relro_script_test_SOURCES): Define.
10135         (relro_script_test_DEPENDENCIES): Define.
10136         (relro_script_test_LDFLAGS): Define.
10137         (relro_script_test_LDADD): Define.
10138         (relro_script_test.so): New target.
10139         * testsuite/Makefile.in: Rebuild.
10140
10141 2008-08-06  Cary Coutant <ccoutant@google.com>
10142
10143         * archive.cc (Archive::total_archives, Archive::total_members)
10144         (Archive::total_members_loaded): New variables.
10145         (Archive::setup): Add parameter.  Add option to preread
10146         archive symbols.
10147         (Archive::read_armap): Add counter.
10148         (Archive::get_file_and_offset): New function.
10149         (Archive::get_elf_object_for_member): New function.
10150         (Archive::read_all_symbols): New function.
10151         (Archive::read_symbols): New function.
10152         (Archive::add_symbols): Add counters.
10153         (Archive::include_all_members): Use armap to find members if it's
10154         already built.
10155         (Archive::include_member): Skip reading symbols if already read.
10156         Factored code into Archive::get_file_and_offset and
10157         Archive::get_elf_object_for_member.  Changed call to
10158         Mapfile::report_include_archive_member.
10159         (Archive::print_stats): New function.
10160         * archive.h: Declare Object and Read_symbols_data classes.
10161         (Archive::Archive): Add initializers for new members.
10162         (Archive::setup): Add parameter.
10163         (Archive::print_stats): New function.
10164         (Archive::total_archives, Archive::total_members)
10165         (Archive::total_members_loaded): New variables.
10166         (Archive::get_file_and_offset): New function.
10167         (Archive::get_elf_object_for_member): New function.
10168         (Archive::read_all_symbols): New function.
10169         (Archive::read_symbols): New function.
10170         (Archive::Archive_member): New class.
10171         (Archive::members_): New member.
10172         (Archive::num_members_): New member.
10173         * main.cc: Include archive.h.
10174         (main): Call Archive::print_stats.
10175         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10176         archive parameter; member_name is now the fully-decorated name.
10177         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10178         * options.h: (General_options): Add --preread-archive-symbols option.
10179         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10180         Archive::setup.
10181
10182 2008-08-04  Ian Lance Taylor  <iant@google.com>
10183
10184         * symtab.h (Symbol::use_plt_offset): New function.
10185         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10186         * powerpc.cc (Relocate::relocate): Likewise.
10187         * sparc.cc (Relocate::relocate): Likewise.
10188         * x86_64.cc (Relocate::relocate): Likewise.
10189         * testsuite/weak_plt.sh: New test.
10190         * testsuite/weak_plt_main.cc: New test.
10191         * testsuite/weak_plt_shared.cc: New test.
10192         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10193         (check_PROGRAMS): Add weak_plt.
10194         (check_DATA): Add weak_plt_shared.so.
10195         (weak_plt_main_pic.o, weak_plt): New targets.
10196         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10197         * testsuite/Makefile.in: Rebuild.
10198
10199         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10200         gcctestdir/ld.
10201         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10202         * testsuite/Makefile.in: Rebuild.
10203
10204 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10205
10206         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10207         * Makefile.in: Regenerate.
10208         * po/POTFILES.in: Regenerate.
10209
10210 2008-07-29  Ian Lance Taylor  <iant@google.com>
10211
10212         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10213         symbols before other symbols.
10214         * testsuite/script_test_2.cc (test_addr): Declare.
10215         (test_addr_alias): Declare.
10216         (main): Check that test_addr and test_addr_alias have the right
10217         values.
10218         * testsuite/script_test_2.t: Define test_addr_alias and
10219         test_addr.
10220
10221 2008-07-24  Ian Lance Taylor  <iant@google.com>
10222
10223         PR 5990
10224         * descriptors.cc: New file.
10225         * descriptors.h: New file.
10226         * gold-threads.h (class Hold_optional_lock): New class.
10227         * fileread.cc: Include "descriptors.h".
10228         (File_read::~File_read): Release descriptor rather than closing
10229         it.
10230         (File_read::open) [file]: Call open_descriptor rather than open.
10231         Set is_descriptor_opened_.
10232         (File_read::open) [memory]: Assert that descriptor is not open.
10233         (File_read::reopen_descriptor): New function.
10234         (File_read::release): Release descriptor.
10235         (File_read::do_read): Make non-const.  Reopen descriptor.
10236         (File_read::read): Make non-const.
10237         (File_read::make_view): Reopen descriptor.
10238         (File_read::do_readv): Likewise.
10239         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10240         Update declarations.
10241         * layout.cc: Include "descriptors.h".
10242         (Layout::create_build_id): Use open_descriptor rather than open.
10243         * output.cc: Include "descriptors.h".
10244         (Output_file::open): Use open_descriptor rather than open.
10245         * archive.cc (Archive::const_iterator): Change Archive to be
10246         non-const.
10247         (Archive::begin, Archive::end): Make non-const.
10248         (Archive::count_members): Likewise.
10249         * archive.h (class Archive): Update declarations.
10250         * object.h (Object::read): Make non-const.
10251         * Makefile.am (CCFILES): Add descriptors.cc.
10252         (HFILES): Add descriptors.h.
10253         * Makefile.in: Rebuild.
10254
10255         PR 6716
10256         * gold.h: Always include <clocale>.  Add Solaris workarounds
10257         following code in binutils/sysdep.h.
10258
10259         PR 6048
10260         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10261         this->eh_frame_hdr_ is NULL before using it.
10262
10263         * dynobj.cc (Versions::Versions): Update comment.
10264
10265         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10266         the base version name.
10267
10268         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10269         array size plus one.
10270         (Stringpool_template::set_string_offsets): Subtract one from key
10271         before using it as an array index.
10272         (Stringpool_template::get_offset_with_length): Likewise.
10273         (Stringpool_template::write_to_buffer): Likewise.
10274         * stringpool.h (Stringpool_template::get_offset_from_key):
10275         Likewise.
10276
10277 2008-07-23  Ian Lance Taylor  <iant@google.com>
10278
10279         PR 6658
10280         * object.h (Merged_symbol_value::value): Do our best to handle a
10281         negative addend.
10282
10283         PR 6647
10284         * script.cc (Version_script_info::get_versions): Don't add empty
10285         version tag to return value.
10286         (Version_script_info::get_symbol_version_helper): Change return
10287         type to bool.  Add pversion parameter.  Change all callers.
10288         (script_register_vers_node): Don't require a non-NULL tag.
10289         * script.h (class Version_script_info): Update declarations.
10290         (Version_script_info::get_symbol_version): Change return type to
10291         bool.  Add version parameter.  Change all callers.
10292         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10293         handling.  Handle an empty version from a version script.
10294         (Symbol_table::define_special_symbol): Likewise.
10295         * testsuite/ver_test_10.script: New file.
10296         * testsuite/ver_test_10.sh: New file.
10297         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10298         (check_DATA): Add ver_test_10.syms.
10299         (ver_test_10.syms, ver_test_10.so): New target.
10300         * testsuite/Makefile.in: Rebuild.
10301
10302 2008-07-23  Simon Baldwin  <simonb@google.com>
10303
10304         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10305         to zero for undefined symbols from dynamic libraries.
10306
10307 2008-07-23  Ian Lance Taylor  <iant@google.com>
10308
10309         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10310         Change all callers.
10311         * symtab.h (class Symbol_table): Update declaration.
10312         * testsuite/ver_test_9.cc: New file.
10313         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10314         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10315         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10316         (ver_test_9.so, ver_test_9.o): New targets.
10317         * testsuite/Makefile.in: Rebuild.
10318
10319 2008-07-22  Ian Lance Taylor  <iant@google.com>
10320
10321         * options.h (class General_options): Define --check-sections.
10322         * layout.cc (Layout::set_segment_offsets): Handle
10323         --check-sections.
10324
10325         * options.h (class General_options): Define -n/--nmagic and
10326         -N/--omagic.
10327         * options.cc (General_options::finalize): For -n/--nmagic or
10328         -N/--omagic, set -static.
10329         * layout.cc (Layout::attach_allocated_section_to_segment): If
10330         -N/--omagic, don't put read-only and read-write sections in
10331         different segments.
10332         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10333         finding a read-only segment.
10334         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10335         don't set the minimum segment alignment to the common page size,
10336         and don't set the file offset to the address modulo the page size.
10337         * script-sections.cc (Script_sections::create_segments): If
10338         -n/--omagic, don't put read-only and read-write sections in
10339         different segments.
10340
10341         * cref.cc: New file.
10342         * cref.h: New file.
10343         * options.h (class General_options): Add --print-symbol-counts.
10344         * main.cc (main): Issue defined symbol report if requested.
10345         * archive.cc (Archive::interpret_header): Make into a const member
10346         function.
10347         (Archive::add_symbols): Call Input_objects::archive_start and
10348         archive_stop.
10349         (Archive::const_iterator): Define new class.
10350         (Archive::begin, Archive::end): New functions.
10351         (Archive::include_all_members): Rewrite to use iterator.
10352         (Archive::count_members): New function.
10353         * archive.h (class Archive): Update declarations.
10354         (Archive::filename): New function.
10355         * object.cc: Include "cref.h".
10356         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10357         (Sized_relobj::do_get_global_symbol_counts): New function.
10358         (Input_objects::add_object): Add object to cross-referencer.
10359         (Input_objects::archive_start): New function.
10360         (Input_objects::archive_stop): New function.
10361         (Input_objects::print_symbol_counts): New function.
10362         * object.h: Declare Cref and Archive.
10363         (Object::get_global_symbol_counts): New function.
10364         (Object::do_get_global_symbol_counts): New pure virtual function.
10365         (class Sized_relobj): Add defined_count_ field.  Update
10366         declarations.
10367         (class Input_objects): Add cref_ field.  Update constructor.
10368         Update declarations.
10369         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10370         defined_count_.
10371         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10372         symbol counts.
10373         (Sized_dynobj::do_get_global_symbol_counts): New function.
10374         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10375         defined_count_.  Update declarations.  Define Symbols typedef.
10376         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10377         parameter.  Change all callers.
10378         (Symbol_table::add_from_dynobj): Add sympointers and defined
10379         parameters.  Change all callers.
10380         * symtab.h (class Symbol_table): Update declarations.
10381         * Makefile.am (CCFILES): Add cref.cc.
10382         (HFILES): Add cref.h.
10383         * Makefile.in: Rebuild.
10384
10385 2008-07-22  Simon Baldwin  <simonb@google.com>
10386
10387         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10388         to zero when writing undefined symbols.
10389
10390 2008-07-22  Ian Lance Taylor  <iant@google.com>
10391
10392         * output.cc (Output_section::add_input_section): Don't try to
10393         merge empty merge sections.
10394
10395 2008-07-21  Craig Silverstein  <csilvers@google.com>
10396
10397         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10398         Include symbol version in error message.
10399
10400 2008-07-20  Chris Demetriou  <cgd@google.com>
10401
10402         * configure.ac (gold_cv_c_random_seed): New configured variable.
10403         (RANDOM_SEED_CFLAGS): New substituted variable.
10404         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10405         * configure: Rebuild.
10406         * Makefile.in: Likewise.
10407         * testsuite/Makefile.in: Likewise.
10408
10409 2008-07-18  Ian Lance Taylor  <iant@google.com>
10410
10411         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10412         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10413         * testsuite/ver_test_main.cc (main): Call t4.
10414         (t4, t4_2a): Define.
10415         * testsuite/ver_test_2.cc (t4_2): Define.
10416         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10417         * testsuite/ver_test_4.cc (t4_2a): Define.
10418         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10419         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10420
10421 2008-07-17  Ian Lance Taylor  <iant@google.com>
10422
10423         * dynobj.cc (Versions::add_def): If we give an error about a
10424         missing version, go ahead and create the version anyhow.
10425
10426 2008-07-10  Ian Lance Taylor  <iant@google.com>
10427
10428         Handle output sections with more than 0x7fffffff bytes.
10429         * object.h (class Relobj): Change map_to_output_ to
10430         output_sections_, and just keep a section pointer.  Change all
10431         uses.  Move comdat group support to Sized_relobj.
10432         (Relobj::is_section_specially_mapped): Remove.
10433         (Relobj::output_section): Remove poff parameter.  Change all
10434         callers.
10435         (Relobj::output_section_offset): New function.
10436         (Relobj::set_section_offset): Rewrite.
10437         (Relobj::map_to_output): Remove.
10438         (Relobj::output_sections): New function.
10439         (Relobj::do_output_section_offset): New pure virtual function.
10440         (Relobj::do_set_section_offset): Likewise.
10441         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10442         group support from Relobj.  Update declarations.
10443         (Sized_relobj::get_output_section_offset): New function.
10444         (Sized_relobj::do_output_section_offset): New function.
10445         (Sized_relobj::do_set_section_offset): New function.
10446         * object.cc (Relobj::output_section_address): Remove.
10447         (Sized_relobj::Sized_relobj): Initialize new fields.
10448         (Sized_relobj::include_section_group): Cast find_kept_object to
10449         Sized_relobj.
10450         (Sized_relobj::include_linkonce_section): Likewise.
10451         (Sized_relobj::do_layout): Use separate arrays for output section
10452         and output offset.
10453         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10454         output_sections.
10455         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10456         output_sections and section_offsets.
10457         (Sized_relobj::write_local_symbols): Likewise.
10458         (map_to_kept_section): Compute output address directly.
10459         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10460         output_sections and section_offsets.
10461         (Sized_relobj::write_sections): Likewise.
10462         (Sized_relobj::relocate_sections): Likewise.
10463         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10464         * output.h (class Output_reloc): Update declarations.  Change
10465         u2_.relobj to Sized_relobj*.
10466         (class Output_data_reloc): Change add functions to use
10467         Sized_relobj*.
10468         * output.cc (Output_reloc::Output_reloc): Change relobj to
10469         Sized_relobj*.
10470         (Output_reloc::local_section_offset): Change return type to
10471         Elf_Addr.  Use get_output_section_offset.
10472         (Output_reloc::get_address): Likewise.
10473         (Output_section::is_input_address_mapped): Don't call
10474         is_section_specially_mapped.
10475         (Output_section::output_offset): Likewise.
10476         (Output_section::output_address): Likewise.
10477         (Output_section::starting_output_address): Likewise.
10478         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10479         parameter to Sized_relobj*.
10480         (Copy_relocs::need_copy_reloc): Likewise.
10481         (Copy_relocs::save): Likewise.
10482         * copy-relocs.h (class Copy_relocs): Update declarations.
10483         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10484         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10485         * target-reloc.h (relocate_for_relocatable): Change
10486         offset_in_output_section type to Elf_Addr.  Change code that uses
10487         it as well.
10488         * layout.cc (Layout::layout): Always set *off.
10489         * mapfile.cc (Mapfile::print_input_section): Use
10490         output_section_offset.
10491         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10492         Sized_relobj*.
10493         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10494         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10495         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10496
10497 2008-07-03  Ian Lance Taylor  <iant@google.com>
10498
10499         * layout.cc (Layout::include_section): Do not discard unrecognized
10500         SHT_STRTAB sections.
10501
10502 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10503
10504         * script.cc (Lex::can_continue_name): Make '?' allowable in
10505         version-script names.
10506         * testsuite/version_script.map: Change glob pattern to use '?'
10507
10508 2008-06-30  Manish Singh  <yosh@gimp.org>
10509
10510         PR 6585
10511         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10512         Correct typo.
10513
10514 2008-06-30  Ian Lance Taylor  <iant@google.com>
10515
10516         PR 6660
10517         PR 6682
10518         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10519         versions]: Don't try to read the value in the contents, since we
10520         don't use it.  Use the template endianness when writing.
10521
10522 2008-06-25  Cary Coutant  <ccoutant@google.com>
10523
10524         * fileread.cc (File_read::make_view): Assert on zero-length view.
10525         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10526         symbol table when there are no symbols to read.
10527
10528 2008-06-23  Craig Silverstein  <csilvers@google.com>
10529
10530         * version.cc (version_string): Bump to 1.7
10531
10532 2008-06-18  Craig Silverstein  <csilvers@google.com>
10533
10534         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10535         constant 0xFFFF to type Valtype.
10536         (Powerpc_relocate_functions::rel16_ha): Likewise.
10537
10538 2008-06-17  Ian Lance Taylor  <iant@google.com>
10539
10540         * output.h (Output_section::Input_section): Initialize p2align_ to
10541         zero for Output_section_data constructors.
10542         (Output_section::Input_section::addralign): If not an input
10543         section, return the alignment of the Output_section_data.
10544         * testsuite/copy_test.cc: New file.
10545         * testsuite/copy_test_1.cc: New file.
10546         * testsuite/copy_test_2.cc: New file.
10547         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10548         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10549         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10550         (copy_test_1_pic.o, copy_test_1.so): New targets.
10551         (copy_test_2_pic.o, copy_test_2.so): New targets.
10552         * testsuite/Makefile.in: Rebuild.
10553
10554         * script-sections.cc (Script_sections::place_orphan): Initialize
10555         local variable exact.
10556
10557 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10558
10559         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10560
10561 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10562             David S. Miller  <davem@davemloft.net>
10563
10564         * powerpc.cc: New file.
10565         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10566         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10567         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10568         * Makefile.in: Rebuild.
10569
10570 2008-06-09  Ian Lance Taylor  <iant@google.com>
10571
10572         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10573         <exception>.
10574         (throwing, orig_terminate): New static variables.
10575         (terminate_handler): New static function.
10576         (t2): Set terminate handler.
10577
10578 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10579
10580         PR 6584
10581         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10582         alignment.
10583
10584 2008-05-30  Cary Coutant  <ccoutant@google.com>
10585
10586         * archive.cc (Archive::include_all_members) Correct to step
10587         over symbol table and extended name table in thin archives.
10588
10589 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10590
10591         PR 6407
10592         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10593         calculation.
10594
10595 2008-05-28  Caleb Howe  <cshowe@google.com>
10596
10597         * reduced_debug_output.cc: New file.
10598         * reduced_debug_output.h: New file.
10599         * options.h (class General_options): Add --strip-debug-non-line.
10600         * options.cc (General_options::finalize): Add strip_debug_non_line
10601         to the strip heirarchy.
10602         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10603         fields.
10604         * layout.cc: Include "reduced_debug_output.h".
10605         (Layout::Layout): Initialize new fields.
10606         (line_only_debug_sections): New static array.
10607         (is_lines_only_debug_sections): New static inline function.
10608         (Layout::include_section): Handle --strip-debug-non-line.
10609         (Layout::make_output_section): If --strip-debug-non-line, build
10610         new output sections for .debug_abbrev and .debug_info.
10611         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10612         gold.  Warn about possible overflow.
10613         (read_signed_LEB_128): Likewise.
10614         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10615         (read_signed_LEB_128): Declare.
10616         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10617         (HFILES): Add reduced_debug_output.h.
10618         * Makefile.in: Rebuild.
10619
10620 2008-05-21  Ian Lance Taylor  <iant@google.com>
10621
10622         * mapfile.cc: New file.
10623         * mapfile.h: New file.
10624         * options.h (class General_options): Add -M/--print-map and -Map.
10625         * options.cc (General_options::finalize): Make -M equivalent to
10626         -Map -.
10627         * main.cc: Include <cstdio> and "mapfile.h".
10628         (main): Open mapfile if requested.
10629         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10630         constructor.  Change caller.
10631         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10632         (queue_middle_tasks): Likewise.
10633         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10634         declarations.
10635         * archive.cc: Include "mapfile.h".
10636         (Archive::add_symbols): Add mapfile parameter.  Change all
10637         callers.  Pass mapfile, symbol, and reason to include_member.
10638         (Archive::include_all_members): Add mapfile parameter.  Change all
10639         callers.
10640         (Archive::include_member): Add mapfile, sym, and why parameters.
10641         Change all callers.  Report inclusion to map file.
10642         * archive.h: Include "fileread.h".
10643         (class Archive): Update declarations.
10644         (Archive::file): New const method.
10645         (class Add_archive_symbols): Add mapfile_ field.  Update
10646         constructor.  Change all callers.
10647         * readsyms.h (class Read_symbols): Likewise.
10648         (class Finish_group): Likewise.
10649         (class Read_script): Likewise.
10650         * common.cc: Include "mapfile.h".
10651         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10652         all callers.
10653         (Symbol_table::do_allocate_commons): Likewise.
10654         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10655         symbol allocation to mapfile.
10656         * common.h (class Allocate_commons_task): Add mapfile_ field.
10657         Update constructor.  Change all callers.
10658         * symtab.h (class Symbol_table): Update declarations.
10659         * layout.cc: Include "mapfile.h".
10660         (Layout_task_runner::run): Print information to mapfile.
10661         (Layout::create_gold_note): Change Output_data_fixed_space to
10662         Output_data_zero_fill.
10663         (Layout::create_build_id): Likewise.
10664         (Layout::print_to_mapfile): New function.
10665         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10666         constructor.  Change caller.
10667         (class Layout): Declare print_to_mapfile.
10668         * output.cc (Output_section::Input_section::print_to_mapfile): New
10669         function.
10670         (Output_section::add_input_section): If producing a map, always
10671         add to input_sections_ list.
10672         (Output_section::do_print_to_mapfile): New function.
10673         (Output_segment::print_sections_to_mapfile): New function.
10674         (Output_segment::print_section_list_to_mapfile): New function.
10675         * output.h: Include "mapfile.h".
10676         (Output_data::print_to_mapfile): New function.
10677         (Output_data::do_print_to_mapfile): New virtual function.
10678         (Output_segment_headers::do_print_to_mapfile): New function.
10679         (Output_file_header::do_print_to_mapfile): New function.
10680         (Output_data_const::do_print_to_mapfile): New function.
10681         (class Output_data_const_buffer): Add map_name_ field.  Update
10682         constructor.  Change all callers.  Add do_print_to_mapfile
10683         function.
10684         (class Output_data_fixed_space): Likewise.
10685         (class Output_data_space): Likewise.
10686         (class Output_data_zero_fill): New class.
10687         (Output_data_strtab::do_print_to_mapfile): New function.
10688         (Output_data_reloc_base::do_print_to_mapfile): New function.
10689         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10690         (Output_data_group::do_print_to_mapfile): New function.
10691         (Output_data_got::do_print_to_mapfile): New function.
10692         (Output_data_dynamic::do_print_to_mapfile): New function.
10693         (Output_symtab_xindex::do_print_to_mapfile): New function.
10694         (class Output_section): Declare do_print_to_mapflie.  Declare
10695         print_to_mapfile in Input_section.
10696         (class Output_segment): Declare new functions.
10697         * object.h (Sized_relobj::symbol_count): New function.
10698         * script-sections.cc
10699         (Output_section_element_dot_assignment::set_section_addresses):
10700         Change Output_data_fixed_space to Output_data_zero_fill.
10701         (Output_data_expression::do_print_to_mapfile): New function.
10702         * script.cc (read_input_script): Add mapfile parameter.  Change
10703         all callers.
10704         * script.h (read_input_script): Update declaration.
10705         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10706         (Eh_frame::do_print_to_mapfile): New function.
10707         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10708         (Output_merge_string::do_print_to_mapfile): New function.
10709         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10710         function.
10711         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10712         function.
10713         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10714         function.
10715         * Makefile.am (CCFILES): Add mapfile.cc.
10716         (HFILES): Add mapfile.h.
10717         * Makefile.in: Rebuild.
10718
10719 2008-05-19  Ian Lance Taylor  <iant@google.com>
10720
10721         * options.h (class General_options): Add -z relro.
10722         * layout.cc (Layout::Layout): Initialize relro_segment_.
10723         (Layout::add_output_section_data): Return the output section.
10724         (Layout::make_output_section): Rcognize relro sections and mark
10725         them appropriately.
10726         (Layout::attach_allocated_section_to_segment): Put relro sections
10727         in a PT_GNU_RELRO segment.
10728         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10729         section as relro.
10730         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10731         PT_TLS segments.
10732         (Layout::linkonce_mapping): Map d.rel.ro.local to
10733         .data.rel.ro.local.
10734         (Layout::output_section_name): Us .data.rel.ro.local for any
10735         section which begins with that.
10736         * layout.h (class Layout): Update add_output_section_data
10737         declaration.  Add relro_segment_ field.
10738         * output.cc (Output_section::Output_section): Initialize is_relro_
10739         and is_relro_local_ fields.
10740         (Output_segment::add_output_section): Group relro sections.
10741         (Output_segment::is_first_section_relro): New function.
10742         (Output_segment::maximum_alignment): If there is a relro section,
10743         align the segment to the common page size.
10744         (Output_segment::set_section_addresses): Track whether we are
10745         looking at relro sections.  If the last section is a relro
10746         section, align to the common page size.
10747         (Output_segment::set_section_list_addresses): Add in_relro
10748         parameter.  Change all callers.  Align to the page size when
10749         moving from relro to non-relro section.
10750         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10751         segment.
10752         * output.h (class Output_section): Add is_relro_ and
10753         is_relro_local_ fields.
10754         (Output_section::is_relro): New function.
10755         (Output_section::set_is_relro): New function.
10756         (Output_section::is_relro_local): New function.
10757         (Output_section::set_is_relro_local): New function.
10758         (class Output_segment): Update declarations.
10759         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10760         * sparc.cc (Target_sparc::got_section): Likewise.
10761         * x86_64.cc (Target_x86_64::got_section): Likewise.
10762         * testsuite/relro_test_main.cc: New file.
10763         * testsuite/relro_test.cc: New file.
10764         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10765         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10766         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10767         (relro_test.so, relro_test_pic.o): New targets.
10768         * testsuite/Makefile.in: Rebuild.
10769
10770 2008-05-16  Ian Lance Taylor  <iant@google.com>
10771
10772         * output.cc (Output_segment::add_output_section): Remove front
10773         parameter.
10774         * output.h (class Output_segment): Remove
10775         add_initial_output_section and overloaded add_output_section.
10776         Update declaration of remaining add_output_section.
10777         * layout.cc (Layout::create_interp): Call add_output_section
10778         rather than add_initial_output_section.
10779         (Layout::finish_dynamic_section): Likewise.
10780
10781         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10782         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10783         know the dynamic type.
10784         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10785         field.  Initialize it in constructor.
10786         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10787         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10788         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10789         reloc.
10790
10791         * output.cc (Output_reloc::get_address): Change return type to
10792         Elf_Addr.
10793         * output.h (class Output_reloc): Update get_address declaration.
10794         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10795         for section addresses.
10796
10797 2008-05-09  Ian Lance Taylor  <iant@google.com>
10798
10799         PR 6493
10800         * gold.cc (gold_nomem): Use return value of write.
10801
10802 2008-05-08  Ian Lance Taylor  <iant@google.com>
10803
10804         * symtab.c (Symbol::init_base_output_data): Add version
10805         parameter.  Change all callers.
10806         (Symbol::init_base_output_segment): Likewise.
10807         (Symbol::init_base_constant): Likewise.
10808         (Symbol::init_base_undefined): Likewise.
10809         (Sized_symbol::init_output_data): Likewise.
10810         (Sized_symbol::init_output_segment): Likewise.
10811         (Sized_symbol::init_constant): Likewise.
10812         (Sized_symbol::init_undefined): Likewise.
10813         (Symbol_table::do_define_in_output_data): If the new symbol has a
10814         version, mark it as the default.
10815         (Symbol_table::do_define_in_output_segment): Likewise.
10816         (Symbol_table::do_define_as_constant): Likewise.
10817         * symtab.h (class Symbol): Update declarations.
10818         (class Sized_symbol): Likewise.
10819         * resolve.cc (Symbol::override_version): New function.
10820         (Symbol::override_base): Call override_version.
10821         (Symbol::override_base_with_special): Likewise.
10822         * testsuite/ver_script_8.script: New file.
10823         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10824         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10825         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10826         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10827
10828 2008-05-06  Ian Lance Taylor  <iant@google.com>
10829
10830         PR 6049
10831         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10832         functions.
10833         (class General_options): Remove existing --undefined, and add
10834         --no-undefined instead.  Add new --undefined as synonym for -u.
10835         * archive.cc (Archive::add_symbols): Check whether symbol was
10836         named with -u.
10837         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10838         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10839         all uses.  Add IS_UNDEFINED.  Update declarations to split
10840         different versions of init_base.  Declare init_base_undefined.
10841         (Symbol::is_defined): Handle IS_UNDEFINED.
10842         (Symbol::is_undefined): Likewise.
10843         (Symbol::is_weak_undefined): Call is_undefined.
10844         (Symbol::is_absolute): Handle IS_CONSTANT.
10845         (class Sized_symbol): Update declarations to split different
10846         versions of init.  Declare init_undefined.
10847         (class Symbol_table): Declare new functions.
10848         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10849         Change all callers.
10850         (Symbol::init_base_output_data): Likewise.
10851         (Symbol::init_base_output_segment): Likewise.
10852         (Symbol::init_base_constant): Likewise.
10853         (Symbol::init_base_undefined): New function.
10854         (Sized_symbol::init_object): Rename from init.  Change all
10855         callers.
10856         (Sized_symbol::init_output_data): Likewise.
10857         (Sized_symbol::init_output_segment): Likewise.
10858         (Sized_symbol::init_constant): Likewise.
10859         (Sized_symbol::init_undefined): New function.
10860         (Symbol_table::add_undefined_symbols_from_command_line): New
10861         function.
10862         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10863         function.
10864         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10865         (Symbol::output_section): Likewise.
10866         (Symbol::set_output_section): Likewise.
10867         (Symbol_table::sized_finalize_symbol): Likewise.
10868         (Symbol_table::sized_write_globals): Likewise.
10869         * resolve.cc (Symbol_table::should_override): Likewise.
10870         (Symbol::override_base_with_special): Likewise.
10871
10872         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10873         symbol, change it to have default visibility.
10874         * testsuite/protected_1.cc: New file.
10875         * testsuite/protected_2.cc: New file.
10876         * testsuite/protected_3.cc: New file.
10877         * testsuite/protected_main_1.cc: New file.
10878         * testsuite/protected_main_2.cc: New file.
10879         * testsuite/protected_main_3.cc: New file.
10880         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10881         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10882         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10883         (protected_1.so): New target.
10884         (protected_1_pic.o, protected_2_pic.o): New targets.
10885         (protected_3_pic.o): New target.
10886         (check_PROGRAMS): Add protected_2.
10887         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10888         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10889         * testsuite/Makefile.in: Rebuild.
10890
10891         * options.h (DEFINE_var): Add set_user_set_##varname__.
10892         (DEFINE_bool_alias): New macro.
10893         (class General_options): Define -Bstatic using DEFINE_bool_alias
10894         rather than DEFINE_special.  Add --undefined as an alias for -z
10895         defs.
10896         * options.cc (General_options::parse_Bstatic): Remove.
10897
10898         * options.h (class General_options): Add --fatal-warnings.
10899         * main.cc (main): Implement --fatal-warnings.
10900         * errors.h (Errors::warning_count): New function.
10901
10902         * options.h (class General_options): Add -Bsymbolic-functions.
10903         * symtab.h (Symbol::is_preemptible): Check for
10904         -Bsymbolic-functions.
10905
10906 2008-05-05  Ian Lance Taylor  <iant@google.com>
10907
10908         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10909         as noVARNAME rather than no-VARNAME.
10910         (class General_options): Add option -z combreloc.
10911         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10912         get_address.
10913         (Output_reloc::sort_before) [SHT_REL]: New function.
10914         (Output_reloc::sort_before) [SHT_RELA]: New function.
10915         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10916         Sort_relocs_comparison.
10917         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10918         parameter.  Change all callers.
10919         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10920         sort_relocs parameter.  Change all callers.
10921         * output.cc (Output_reloc::get_address): New function, broken out
10922         of write_rel.
10923         (Output_reloc::write_rel): Call it.
10924         (Output_reloc::compare): New function.
10925         (Output_data_reloc_base::do_write): Optionally sort relocs.
10926
10927         * configure.ac: If targ_extra_obj is set, link it in.
10928         * configure.tgt: Initialize all variables.
10929         (x86_64*): Set targ_extra_obj and targ_extra_size.
10930         * configure: Rebuild.
10931
10932         * object.cc (Sized_relobj::include_section_group): Adjust section
10933         indexes read from group data.  Build vector to pass to
10934         layout_group.
10935         * layout.cc (Layout::layout_group): Add flags and shndxes
10936         parameters.  Remove contents parameter.  Change caller.  Update
10937         explicit instantiations.
10938         * layout.h (class Layout): Update layout_group declaration.
10939         * output.cc (Output_data_group::Output_data_group): Add flags and
10940         input_shndxes parameters.  Remove contents parameter.  Change
10941         caller.
10942         (Output_data_group::do_write): Change input_sections_ to
10943         input_shndxes_.
10944         * output.h (class Output_data_group): Update constructor
10945         declaration.  Rename input_sections_ to input_shndxes_.
10946         * testsuite/many_sections_test.cc: Add template.
10947
10948 2008-04-30  Cary Coutant  <ccoutant@google.com>
10949
10950         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10951
10952         * layout.cc (Layout::include_section): Refactored check for debug
10953         info section.
10954         (Layout::add_comdat): Add new parameters.  Change type
10955         of signature parameter.  Add object and shndx to signatures table.
10956         (Layout::find_kept_object): New function.
10957         * layout.h: Include <cstring>.
10958         (Layout::is_debug_info_section): New function.
10959         (Layout::add_comdat): Add new parameters.
10960         (Layout::find_kept_object): New function.
10961         (Layout::Kept_section): New struct.
10962         (Layout::Signatures): Change type of map range.
10963         * object.cc (Relobj::output_section_address): New function.
10964         (Sized_relobj::include_section_group): Add new parameters.  Change
10965         calls to Layout::add_comdat.  Change to build table of kept comdat
10966         groups and table mapping discarded sections to kept sections.
10967         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10968         (Sized_relobj::do_layout): Change calls to include_section_group and
10969         include_linkonce_section.
10970         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10971         value to zero when section is discarded.
10972         (Sized_relobj::map_to_kept_section): New function.
10973         * object.h (Relobj::output_section_address): New function.
10974         (Relobj::Comdat_group): New type.
10975         (Relobj::find_comdat_group): New function.
10976         (Relobj::Comdat_group_table): New type.
10977         (Relobj::Kept_comdat_section): New type.
10978         (Relobj::Kept_comdat_section_table): New type.
10979         (Relobj::add_comdat_group): New function.
10980         (Relobj::set_kept_comdat_section): New function.
10981         (Relobj::get_kept_comdat_section): New function.
10982         (Relobj::comdat_groups_): New field.
10983         (Relobj::kept_comdat_sections_): New field.
10984         (Symbol_value::input_value): Update comment.
10985         (Sized_relobj::map_to_kept_section) New function.
10986         (Sized_relobj::include_linkonce_section): Add new parameter.
10987         * target-reloc.h (Comdat_behavior): New type.
10988         (get_comdat_behavior): New function.
10989         (relocate_section): Add code to map a discarded section to the
10990         corresponding kept section when applying a relocation.
10991
10992 2008-04-30  Craig Silverstein  <csilvers@google.com>
10993
10994         * dwarf_reader.cc (next_generation_count): New static var.
10995         (Addr2line_cache_entry): New struct.
10996         (addr2line_cache): New static var.
10997         (Dwarf_line_info::one_addr2line): Added caching.
10998         (Dwarf_line_info::clear_addr2line_cache): New function.
10999         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11000         cache-size parameter.
11001         (Dwarf_line_info::one_addr2line_cache): New function.
11002         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11003         new cache-size argument to one_addr2line(), and clear cache.
11004
11005 2008-04-28  Cary Coutant  <ccoutant@google.com>
11006
11007         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11008         R_386_PC8 relocations.
11009
11010 2008-04-23  Ian Lance Taylor  <iant@google.com>
11011
11012         * object.cc (Sized_relobj::include_section_group): Check for
11013         invalid section group.
11014
11015         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11016         header size.
11017
11018         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11019         than read for file header.
11020         * archive.cc (Archive::include_member): Likewise.
11021
11022 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11023
11024         * aclocal.m4: Regenerate.
11025         * configure: Regenerate.
11026
11027 2008-04-19  Ian Lance Taylor  <iant@google.com>
11028
11029         * version.cc (version_string): Bump to 1.6.
11030
11031         * testsuite/Makefile.am (many_sections_r_test): New target.
11032         (many_sections_r_test_SOURCES): Remove.
11033         (many_sections_r_test_DEPENDENCIES): Remove.
11034         (many_sections_r_test_LDFLAGS): Remove.
11035         (many_sections_r_test_LDADD): Remove.
11036
11037         * object.cc (Sized_relobj::do_add_symbols): Always pass
11038         local_symbol_count_ to add_from_relobj.
11039
11040         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11041         every thousand variables.
11042         * testsuite/Makefile.in: Rebuild.
11043
11044         * object.cc (Xindex::initialize_symtab_xindex): New function.
11045         (Xindex::read_symtab_xindex): New function.
11046         (Xindex::sym_xindex_to_shndx): New function.
11047         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11048         available.
11049         (Sized_relobj::do_initialize_xindex): New function.
11050         (Sized_relobj::do_read_symbols): Adjust section links.
11051         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11052         parameter.  Change all callers.
11053         (Sized_relobj::include_section_group): Adjust section links and
11054         symbol section indexes.
11055         (Sized_relobj::do_layout): Adjust section links.
11056         (Sized_relobj::do_count_local_symbols): Adjust section links and
11057         symbol section indexes.
11058         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11059         ordinary and special symbols.
11060         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11061         dynsym_xindex parameters.  Change all callers.  Adjust section
11062         links.  Use SHN_XINDEX when needed.
11063         (Sized_relobj::get_symbol_location_info): Adjust section links.
11064         Don't get fooled by special symbols.
11065         * object.h (class Xindex): Define.
11066         (class Object): Add xindex_ parameter.  Declare virtual functoin
11067         do_initialize_xindex.
11068         (Object::adjust_sym_shndx): New function.
11069         (Object::set_xindex): New protected function.
11070         (class Symbol_value): Add is_ordinary_shndx_ field.
11071         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11072         (Symbol_value::value): Assert ordinary section.
11073         (Symbol_value::initialize_input_to_output_map): Likewise.
11074         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11075         Change all callers.
11076         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11077         all callers.
11078         (class Sized_relobj): Update declarations.
11079         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11080         parameter.  Change all callers.
11081         (Sized_relobj::adjust_shndx): New function.
11082         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11083         field.
11084         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11085         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11086         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11087         (Sized_dynobj::read_dynsym_section): Adjust section links.
11088         (Sized_dynobj::read_dynamic): Likewise.
11089         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11090         section links.
11091         (Sized_dynobj::do_initialize_xindex): New function.
11092         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11093         do_initialize_xindex.
11094         (Sized_dynobj::adjust_shndx): New function.
11095         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11096         dynsym_xindex_ fields.
11097         (Layout::finalize): Add a call to set_section_indexes before
11098         creating the symtab sections.
11099         (Layout::set_section_indexes): Don't do anything if the section
11100         already has a section index.
11101         (Layout::create_symtab_sections): Add shnum parameter.  Change
11102         caller.  Create .symtab_shndx section if needed.
11103         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11104         caller.
11105         (Layout::allocated_output_section_count): New function.
11106         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11107         needed.
11108         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11109         fields.  Update declarations.
11110         (Layout::symtab_xindex): New function.
11111         (Layout::dynsym_xindex): New function.
11112         (class Write_symbols_task): Add layout_ field.
11113         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11114         Change caller.
11115         * output.cc (Output_section_headers::Output_section_headers): Add
11116         shstrtab_section parameter.  Change all callers.
11117         (Output_section_headers::do_sized_write): Store overflow values
11118         for section count and section string table section index in
11119         section header zero.
11120         (Output_file_header::do_sized_write): Check for overflow of
11121         section count and section string table section index.
11122         (Output_symtab_xindex::do_write): New function.
11123         (Output_symtab_xindex::endian_do_write): New function.
11124         * output.h (class Output_section_headers): Add shstrtab_section_.
11125         Update declarations.
11126         (class Output_symtab_xindex): Define.
11127         (Output_section::has_out_shndx): New function.
11128         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11129         field.
11130         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11131         Change all callers.
11132         (Sized_symbol::init): Likewise.
11133         (Symbol::output_section): Check for ordinary symbol.
11134         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11135         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11136         callers.
11137         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11138         Change all callers.  Simplify handling of symbols from sections
11139         not included in the link.
11140         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11141         distinction.
11142         (Weak_alias_sorter::operator()): Assert that symbols are
11143         ordinary.
11144         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11145         distinction.
11146         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11147         parameters.  Change all callers.
11148         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11149         symbol distinction.  Use SHN_XINDEX when needed.
11150         (Symbol_table::write_section_symbol): Add symtab_xindex
11151         parameter.  Change all callers.
11152         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11153         SHN_XINDEX when needed.
11154         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11155         declarations.
11156         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11157         (Symbol::is_defined): Check is_ordinary.
11158         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11159         (Symbol::is_absolute, Symbol::is_common): Likewise.
11160         (class Sized_symbol): Update declarations.
11161         (class Symbol_table): Update declarations.
11162         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11163         parameters.  Change all callers.
11164         (Sized_symbol::override): Likewise.
11165         (Symbol_table::override): Likewise.
11166         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11167         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11168         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11169         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11170         to be in an ordinary section.
11171         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11172         object and is_ordinary parameters.  Change all callers.
11173         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11174         Change all callers.  Don't add undefined or non-ordinary symbols
11175         to reloc_map_.
11176         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11177         Change all callers.
11178         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11179         declarations.
11180         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11181         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11182         (Sized_relobj::relocate_sections): Likewise.
11183         * target-reloc.h (scan_relocs): Adjust section symbol index.
11184         (scan_relocatable_relocs): Likewise.
11185         * i386.cc (Scan::local): Check for ordinary symbols.
11186         * sparc.cc (Scan::local): Likewise.
11187         * x86_64.cc (Scan::local): Likewise.
11188         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11189         to symbol_section_and_value.
11190         * testsuite/many_sections_test.cc: New file.
11191         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11192         (check_PROGRAMS): Add many_sections_test.
11193         (many_sections_test_SOURCES): Define.
11194         (many_sections_test_DEPENDENCIES): Define.
11195         (many_sections_test_LDFLAGS): Define.
11196         (BUILT_SOURCES): Add many_sections_define.h.
11197         (many_sections_define.h): New target.
11198         (BUILT_SOURCES): Add many_sections_check.h.
11199         (many_sections_check.h): New target.
11200         (check_PROGRAMS): Add many_sections_r_test.
11201         (many_sections_r_test_SOURCES): Define.
11202         (many_sections_r_test_DEPENDENCIES): Define.
11203         (many_sections_r_test_LDFLAGS): Define.
11204         (many_sections_r_test_LDADD): Define.
11205         (many_sections_r_test.o): New target.
11206         * testsuite/Makefile.in: Rebuild.
11207
11208 2008-04-17  Cary Coutant  <ccoutant@google.com>
11209
11210         * errors.cc (Errors::info): New function.
11211         (gold_info): New function.
11212         * errors.h (Errors::info): New function.
11213         * gold.h (gold_info): New function.
11214         * object.cc (Input_objects::add_object): Print trace output.
11215         * options.cc (options::parse_set): New function.
11216         (General_options::parse_wrap): Deleted.
11217         (General_options::General_options): Deleted initializer.
11218         * options.h (options::String_set): New typedef.
11219         (options::parse_set): New function.
11220         (DEFINE_set): New macro.
11221         (General_options::wrap): Changed to use DEFINE_set. Changed
11222         callers of any_wrap_symbols and is_wrap_symbol.
11223         (General_options::trace, General_options::trace_symbol):
11224         New options.
11225         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11226         (General_options::wrap_symbols_): Deleted.
11227         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11228
11229 2008-04-17  David S. Miller  <davem@davemloft.net>
11230
11231         * options.cc (General_options::parse_V): New function.
11232         * options.h: Add entries for -V and -Qy.
11233
11234 2008-04-17  Ian Lance Taylor  <iant@google.com>
11235
11236         * common.cc (Symbol_table::allocate_commons): Remove options
11237         parameter.  Change caller.
11238         (Symbol_table::do_allocate_commons): Remove options parameter.
11239         Change caller.  Just call do_allocate_commons_list twice.
11240         (Symbol_table::do_allocate_commons_list): New function, broken out
11241         of do_allocate_commons.
11242         * common.h (class Allocate_commons_task): Remove options_ field.
11243         Update constructor.
11244         * symtab.cc (Symbol_table::Symbol_table): Initialize
11245         tls_commons_.
11246         (Symbol_table::add_from_object): Put TLS common symbols on
11247         tls_commons_ list.
11248         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11249         which are IN_OUTPUT_DATA.
11250         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11251         allocate_commons and do_allocate_commons declarations.  Declare
11252         do_allocate_commons_list.
11253         * gold.cc (queue_middle_tasks): Update creation of
11254         Allocate_commons_task to not pass options.
11255         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11256         (TLS_TEST_C_FLAGS): New variable.
11257         (tls_test_c_pic.o): New target.
11258         (tls_test_shared.so): Link in tls_test_c_pic.o.
11259         (tls_test_c_pic_ie.o): New target.
11260         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11261         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11262         (tls_test_c.o): New target.
11263         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11264         (tls_pic_test_LDADD): Likewise.
11265         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11266         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11267         (tls_test_c_gnu2.o): New target.
11268         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11269         tls_test_c_gnu2.o.
11270         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11271         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11272         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11273         * testsuite/tls_test.cc: Include "config.h".
11274         (t_last): Call t11_last.
11275         * testsuite/tls_test.h (t11, t11_last): Declare.
11276         * testsuite/tls_test_c.c: New file.
11277         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11278         * configure.ac: Check for OpenMP support.
11279         * configure, config.in, Makefile.in: Rebuild.
11280         * testsuite/Makefile.in: Rebuild.
11281
11282 2008-04-16  Cary Coutant  <ccoutant@google.com>
11283
11284         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11285         (Target_i386::tls_base_symbol_defined_): New field.
11286         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11287         (Target_i386::Scan::global): Likewise.
11288         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11289         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11290         (Target_x86_64::tls_base_symbol_defined_): New field.
11291         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11292         (Target_x86_64::Scan::global): Likewise.
11293
11294 2008-04-16  Cary Coutant  <ccoutant@google.com>
11295
11296         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11297         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11298         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11299         building shared libraries.
11300         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11301         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11302         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11303         * testsuite/Makefile.in: Rebuild.
11304         * testsuite/weak_undef.h: New file.
11305         * testsuite/weak_undef_file1.cc: Add extra test cases.
11306         * testsuite/weak_undef_file2.cc: Likewise.
11307         * testsuite/weak_undef_test.cc: Likewise.
11308
11309 2008-04-16  David S. Miller  <davem@davemloft.net>
11310
11311         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11312         Add issued_non_pic_error_ field.  Declare check_non_pic.
11313         (Target_sparc::Scan::check_non_pic): New function.
11314         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11315         (Target_sparc::Scan::global): Likewise.
11316
11317         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11318         * configure: Rebuild.
11319
11320         * options.h (DEFINE_enable): New macro.
11321         (new_dtags): New enable option.
11322         (initfirst, interpose, loadfltr, nodefaultlib,
11323         nodelete, nodlopen, nodump): New -z options.
11324         * layout.cc (Layout:finish_dynamic_section): If new
11325         dtags enabled, emit DT_RUNPATH.  Also, emit a
11326         DT_FLAGS_1 containing any specified -z flags.
11327
11328 2008-04-16  Ian Lance Taylor  <iant@google.com>
11329
11330         * copy-relocs.cc: New file.
11331         * copy-relocs.h: New file.
11332         * reloc.cc: Remove Copy_relocs code.
11333         * reloc.h: Likewise.
11334         * reloc-types.h (struct Reloc_types) [both versions]: Add
11335         get_reloc_addend_noerror.
11336         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11337         variants of add_global which take an addend which must be zero.
11338         * i386.cc: Include "copy-relocs.h".
11339         (class Target_i386): Change type of copy_relocs_ to variable,
11340         update initializer.
11341         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11342         Change all callers.
11343         (Target_i386::do_finalize_sections): Change handling of
11344         copy_relocs_.
11345         * sparc.cc: Include "copy-relocs.h".
11346         (class Target_sparc): Change type of copy_relocs_ to variable,
11347         update initializer.
11348         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11349         Change all callers.
11350         (Target_sparc::do_finalize_sections): Change handling of
11351         copy_relocs_.
11352         * x86_64.cc: Include "copy-relocs.h".
11353         (class Target_x86_64): Change type of copy_relocs_ to variable,
11354         update initializer.
11355         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11356         class.  Change all callers.
11357         (Target_x86_64::do_finalize_sections): Change handling of
11358         copy_relocs_.
11359         * Makefile.am (CCFILES): Add copy-relocs.cc.
11360         (HFILES): Add copy-relocs.h.
11361
11362         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11363
11364         * testsuite/script_test_4.sh: Permit leading zeroes.
11365
11366 2008-04-15  Ian Lance Taylor  <iant@google.com>
11367
11368         * script-sections.cc (Script_sections::create_segments): Use
11369         header_size_adjustment even when there is enough room for the
11370         headers.
11371         * testsuite/script_test_4.sh: New file.
11372         * testsuite/script_test_4.t: New file.
11373         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11374         (check_DATA): Add script_test_4.stdout.
11375         (MOSTLYCLEANFILES): Likewise.
11376         (script_test_4): New target.
11377         (script_test_4.stdout): New target.
11378         * testsuite/Makefile.in: Rebuild.
11379
11380         * sparc.cc: Add definitions for Output_data_plt_sparc class
11381         constants.
11382
11383 2008-04-14  David S. Miller  <davem@davemloft.net>
11384
11385         * sparc.cc: New file.
11386         * Makefile.am (TARGETSOURCES): Add sparc.cc
11387         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11388         * configure.tgt: Document targ_extra_size and
11389         targ_extra_big_endian.  Add entries for sparc-* and
11390         sparc64-*.
11391         * configure.ac: Handle targ_extra_size and
11392         targ_extra_big_endian.
11393         * Makefile.in: Rebuild.
11394         * configure: Likewise.
11395         * po/POTFILES.in: Likewise.
11396         * po/gold.pot: Likewise.
11397
11398 2008-04-14  Ian Lance Taylor  <iant@google.com>
11399
11400         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11401         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11402         in the name/type/flags to section mapping.  Don't call
11403         allocate_output_section.
11404         (Layout::choose_output_section): Change parameter from adjust_name
11405         to is_input_section.  Don't permit input sections after sections
11406         are attached to segments.  Don't call allocate_output_section.
11407         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11408         not write_enable_output_section.
11409         (Layout::make_output_section): Don't push to
11410         unattached_section_list_ nor call attach_to_segment.  Call
11411         attach_section_to_segment if sections are attached.
11412         (Layout::attach_sections_to_segments): New function.
11413         (Layout::attach_section_to_segment): New function.
11414         (Layout::attach_allocated_section_to_segment): Rename from
11415         attach_to_segment.  Remove flags parameter.
11416         (Layout::allocate_output_section): Remove function.
11417         (Layout::write_enable_output_section): Remove function.
11418         * layout.h (class Layout): Update for above changes.  Add new
11419         field sections_are_attached_.
11420         * output.h (Output_section::update_flags_for_input_section): New
11421         function.
11422         * output.cc (Output_section::add_input_section): Call
11423         update_flags_for_input_section.
11424         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11425
11426 2008-04-11  Cary Coutant  <ccoutant@google.com>
11427
11428         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11429         thought unnecessary.
11430         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11431
11432 2008-04-11  Ian Lance Taylor  <iant@google.com>
11433
11434         * output.h (class Output_section_data): Remove inline definition
11435         of set_addralign.
11436         * output.cc (Output_section_data::set_addralign): New function.
11437
11438 2008-04-11  Cary Coutant  <ccoutant@google.com>
11439
11440         Add support for TLS descriptors for i386 and x86_64.
11441         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11442         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11443         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11444         GOT_TYPE_TLS_DESC.
11445         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11446         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11447         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11448         relocations.
11449         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11450         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11451         Fix problem with initial-exec relocations.
11452         (Target_i386::Relocate::relocate_tls): Likewise.
11453         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11454         relaxation.
11455         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11456         support for section-plus-offset dynamic table entries.
11457         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11458         (Output_data_dynamic::Dynamic_entry): Add support for
11459         section-plus-offset dynamic table entries.
11460         (Output_data_dynamic::Classification): Likewise.
11461         (Output_data_dynamic::classification_): Renamed offset_.
11462         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11463         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11464         (Target_x86_64::make_plt_section): New function.
11465         (Target_x86_64::reserve_tlsdesc_entries): New function.
11466         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11467         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11468         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11469         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11470         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11471         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11472         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11473         add extra PLT entry for TLS descriptors.
11474         (Output_data_plt_x86_64::got_): New field.
11475         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11476         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11477         fields.
11478         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11479         descriptors.
11480         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11481         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11482         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11483         R_386_TLS_DESC_CALL relocations.
11484         (Target_x86_64::Scan::global): Likewise.
11485         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11486         for TLS descriptors.
11487         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11488         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11489         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11490         GD-to-IE relaxation.
11491         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11492         and TLS_DESCRIPTORS.
11493         * Makefile.in: Rebuild.
11494         * configure: Rebuild.
11495         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11496         (tls_test_shared2.so): New target.
11497         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11498         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11499         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11500         (tls_shared_gd_to_ie_test_LDADD): New variable.
11501         (tls_shared_gnu2_gd_to_ie_test): New target.
11502         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11503         New targets.
11504         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11505         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11506         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11507         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11508         (tls_shared_gnu2_test): New target.
11509         (tls_test_gnu2_shared.so): New target.
11510         (tls_shared_gnu2_test_SOURCES): New variable.
11511         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11512         (tls_shared_gnu2_test_LDFLAGS): New variable.
11513         (tls_shared_gnu2_test_LDADD): New variable.
11514         * testsuite/Makefile.in: Rebuild.
11515         * testsuite/Makefile.
11516
11517 2008-04-11  Ian Lance Taylor  <iant@google.com>
11518
11519         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11520         justsyms.t.
11521         * testsuite/Makefile.in: Rebuild.
11522
11523         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11524         long.
11525         * testsuite/script_test_2.cc (main): Adjust test.
11526
11527 2008-04-11  David S. Miller  <davem@davemloft.net>
11528             Ian Lance Taylor  <iant@google.com>
11529
11530         * options.h (General_options): Add entries for '-Y' and
11531         '-relax'.
11532         * options.cc (General_options:finalize): If -Y was used, add those
11533         entries to the library path instead of the default "/lib" and
11534         "/usr/lib".
11535
11536 2008-04-11  David S. Miller  <davem@davemloft.net>
11537
11538         * testsuite/justsyms.t: Start at 0x100.
11539         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11540         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11541         long.
11542         * testsuite/script_test_2.cc: Adjust string and section length
11543         checks.
11544
11545 2008-04-09  Ian Lance Taylor  <iant@google.com>
11546
11547         PR gold/5996
11548         * script-sections.cc (Sections_element::allocate_to_segment): Add
11549         orphan parameter.
11550         (Output_section_definition::allocate_to_segment): Likewise.
11551         (Orphan_output_section::allocate_to_segment): Likewise.
11552         (Script_sections::attach_sections_using_phdrs_clause): Don't
11553         propagate non-PT_LOAD segments to orphan sections.
11554         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11555         readelf rather than objdump.
11556         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11557         .interp section and PT_INTERP segment are the same size.
11558         * testsuite/Makefile.in: Rebuild.
11559
11560         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11561         aliases for symbols defined in the same object.
11562         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11563         (weak_alias_test_SOURCES): New variable.
11564         (weak_alias_test_DEPENDENCIES): New variable.
11565         (weak_alias_test_LDFLAGS): New variable.
11566         (weak_alias_test_LDADD): New variable.
11567         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11568         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11569         (weak_alias_test_3.o): New target.
11570         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11571         * testsuite/weak_alias_test_main.cc: New file.
11572         * testsuite/weak_alias_test_1.cc: New file.
11573         * testsuite/weak_alias_test_2.cc: New file.
11574         * testsuite/weak_alias_test_3.cc: New file.
11575
11576 2008-04-08  Ian Lance Taylor  <iant@google.com>
11577
11578         * options.h (class General_options): Add --noinhibit-exec option.
11579         * main.cc (main): Check --noinhibit-exec.
11580
11581         * options.h (class General_options): Define --wrap as a special
11582         option.  Add wrap_symbols_ field.
11583         (General_options::any_wrap_symbols): New function.
11584         (General_options::is_wrap_symbol): New function.
11585         * options.cc (General_options::parse_wrap): New function.
11586         (General_options::General_options): Initialize wrap_symbols_.
11587         * symtab.cc (Symbol_table::wrap_symbol): New function.
11588         (Symbol_table::add_from_object): Handle --wrap.
11589         * symtab.h (class Symbol_table): Declare wrap_symbol.
11590         * target.h (Target::wrap_char): New function.
11591         (Target::Target_info): Add wrap_char field.
11592         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11593         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11594         * testsuite/testfile.cc (Target_test::test_target_info):
11595         Likewise.
11596
11597         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11598         there is one.
11599
11600         * layout.h (class Layout): Add added_eh_frame_data_ field.
11601         * layout.cc (Layout::Layout): Initialize new field.
11602         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11603         output section until we find a section we merged successfully.
11604         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11605         that the size be non-zero.
11606
11607         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11608         qualifier.
11609
11610 2008-04-08  Craig Silverstein  <csilvers@google.com>
11611
11612         * configure.ac: Export new conditional variable HAVE_ZLIB.
11613         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11614         on HAVE_ZLIB.
11615         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11616         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11617
11618 2008-04-07  Ian Lance Taylor  <iant@google.com>
11619
11620         * version.cc (version_string): Set to "1.5".
11621
11622         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11623         Add issued_non_pic_error_ field.  Declare check_non_pic.
11624         (Target_x86_64::Scan::check_non_pic): New function.
11625         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11626         (Target_x86_64::Scan::global): Likewise.
11627
11628         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11629         addend parameter.  Change caller.  Handle merge sections.
11630         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11631         Address to Addend.  Don't add in the result of
11632         local_section_offset, pass down the addend and use the returned
11633         value.
11634         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11635         Update declarations of local_section_offset and symbol_value.
11636         * testsuite/two_file_test_1.cc (t18): New function.
11637         * testsuite/two_file_test_2.cc (f18): New function.
11638         * testsuite/two_file_test_main.cc (main): Call t18.
11639         * testsuite/two_file_test.h (t18, f18): Declare.
11640
11641         * configure.ac: Don't test for objdump, c++filt, or readelf.
11642         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11643         conditionals.
11644         (TEST_READELF): New variable.
11645         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11646         (check_PROGRAMS): Add two_file_strip_test.
11647         (two_file_strip_test): New target.
11648         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11649         (two_file_same_shared_strip_test_SOURCES): New variable.
11650         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11651         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11652         (two_file_same_shared_strip_test_LDADD): New variable.
11653         (two_file_shared_strip.so): New target.
11654         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11655         (ver_test_5.syms, ver_test_7.syms): Likewise.
11656         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11657         (strip_test_3.stdout): Use TEST_OBJDUMP.
11658         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11659
11660 2008-04-04  Cary Coutant  <ccoutant@google.com>
11661
11662         * symtab.h (Symbol::is_weak_undefined): New function.
11663         (Symbol::is_strong_undefined): New function.
11664         (Symbol::is_absolute): New function.
11665         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11666         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11667         absolute symbols.
11668         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11669         (weak_undef_test): New target.
11670         * testsuite/Makefile.in: Rebuild.
11671         * testsuite/weak_undef_file1.cc: New file.
11672         * testsuite/weak_undef_file2.cc: New file.
11673         * testsuite/weak_undef_test.cc: New file.
11674
11675 2008-04-03  Craig Silverstein  <csilvers@google.com>
11676
11677         * compressed_output.h (class Output_compressed_section): Use
11678         unsigned buffer.
11679         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11680         add zlib header.
11681         (zlib_compressed_suffix): Removed.
11682         (Output_compressed_section::set_final_data_size): Use unsigned
11683         buffers.
11684         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11685         Fix linker invocation.
11686         (flagstest_o_specialfile_and_compress_debug_sections):
11687         Likewise.
11688         * testsuite/Makefile.in: Regenerated.
11689
11690 2008-04-02  David S. Miller  <davem@davemloft.net>
11691
11692         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11693         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11694
11695 2008-04-02  Craig Silverstein  <csilvers@google.com>
11696
11697         * TODO: New file.
11698
11699 2008-04-02  Ian Lance Taylor  <iant@google.com>
11700
11701         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11702         parameters.  Update for new key type to views_.  Change all
11703         callers.
11704         (File_read::read): Adjust for byteshift in returned view.
11705         (File_read::add_view): New function, broken out of
11706         find_and_make_view.
11707         (File_read::make_view): New function, broken out of
11708         find_and_make_view.
11709         (File_read::find_or_make_view): Add offset and aligned
11710         parameters.  Rewrite accordingly.  Change all callers.
11711         (File_read::get_view): Add offset and aligned parameters.  Adjust
11712         for byteshift in return value.
11713         (File_read::get_lasting_view): Likewise.
11714         * fileread.h (class File_read): Update declarations.
11715         (class File_read::View): Add byteshift_ field.  Add byteshift to
11716         constructor.  Add byteshift method.
11717         * archive.h (Archive::clear_uncached_views): New function.
11718         (Archive::get_view): Add aligned parameter.  Change all callers.
11719         * object.h (Object::get_view): Add aligned parameter.  Change all
11720         callers.
11721         (Object::get_lasting_view): Likewise.
11722
11723         * fileread.cc (File_read::release): Don't call clear_views if
11724         there are multiple objects.
11725         * fileread.h (File_read::clear_uncached_views): New function.
11726         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11727         on the archive.
11728
11729 2008-03-31  Cary Coutant  <ccoutant@google.com>
11730
11731         Add thin archive support.
11732         * archive.cc (Archive::armagt): New const.
11733         (Archive::setup): Remove task parameter and calls to unlock.
11734         (Archive::unlock_nested_archives): New function.
11735         (Archive::read_header): Add nested_off parameter. Change
11736         all callers.
11737         (Archive::interpret_header): Likewise.
11738         (Archive::include_all_members): Change to handle thin
11739         archives.
11740         (Archive::include_member): Likewise.
11741         * archive.h (Archive::Archive): Add new parameters and
11742         initializers.
11743         (Archive::armagt): New const.
11744         (Archive::setup): Remove task parameter.
11745         (Archive::unlock_nested_archives): New function.
11746         (Archive::read_header): Add nested_off parameter.
11747         (Archive::interpret_header): Likewise.
11748         (Archive::Nested_archive_table): New typedef.
11749         (Archive::is_thin_archive_): New field.
11750         (Archive::nested_archives_): New field.
11751         (Archive::options_): New field.
11752         (Archive::dirpath_): New field.
11753         (Archive::task_): New field.
11754         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11755         for thin archives.  Pass additional parameters to
11756         Archive::Archive.  Unlock the archive file after calling
11757         Archive::setup.
11758
11759 2008-03-29  Ian Lance Taylor  <iant@google.com>
11760
11761         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11762         version symbol to be local.
11763         * testsuite/ver_test_4.sh: New file.
11764         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11765         (check_DATA): Add ver_test_4.syms.
11766         (ver_test_4.syms): New target.
11767         * testsuite/Makefile.in: Rebuild.
11768
11769         * output.cc
11770         (Output_section::Input_section_sort_entry::has_priority): New
11771         function.
11772         (Output_section::Input_section_sort_entry::match_file_name): New
11773         function.
11774         (Output_section::Input_section_sort_entry::match_section_name):
11775         Remove.
11776         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11777         Remove.
11778         (Output_section::Input_section_sort_entry::match_section_file):
11779         Remove.
11780         (Output_section::Input_section_sort_compare::operator()): Rewrite
11781         using new Input_section_sort_entry functions.  Sort crtbegin and
11782         crtend first.  Sort sections with no priority before sections with
11783         a priority.
11784         * testsuite/initpri1.c (d3): Check j != 4.
11785         (cd5): New constructor/destructor function.
11786         (main): Check j != 2.
11787
11788         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11789         new symbol when resolving, don't call set_is_default.
11790         * testsuite/ver_test_7.cc: New file.
11791         * testsuite/ver_test_7.sh: New file.
11792         * testsuite/Makefile.am (ver_test_7.so): New target.
11793         (ver_test_7.o): New target.
11794         (check_SCRIPTS): Add ver_test_7.sh.
11795         (check_DATA): Add ver_test_7.syms.
11796         (ver_test_7.syms): New target.
11797
11798 2008-03-28  Ian Lance Taylor  <iant@google.com>
11799
11800         * layout.cc (Layout::layout): If we see an input section with a
11801         name that needs sorting, set the must_sort flag for the output
11802         section.
11803         (Layout::make_output_section): If the name of the output section
11804         indicates that it might require sorting, set the may_sort flag.
11805         * output.h (Output_section::may_sort_attached_input_sections): New
11806         function.
11807         (Output_section::set_may_sort_attached_input_sections): New
11808         function.
11809         (Output_section::must_sort_attached_input_sections): New
11810         function.
11811         (Output_section::set_must_sort_attached_input_sections): New
11812         function.
11813         (class Output_section): Declare Input_section_sort_entry.  Define
11814         Input_section_sort_compare.  Declare
11815         sort_attached_input_sections.  Add new fields:
11816         may_sort_attached_input_sections_,
11817         must_sort_attached_input_sections_,
11818         attached_input_sections_are_sorted_.
11819         * output.cc (Output_section::Output_section): Initialize new
11820         fields.
11821         (Output_section::add_input_section): Add an entry to
11822         input_sections_ if may_sort or must_sort are true.
11823         (Output_section::set_final_data_size): Call
11824         sort_attached_input_sections if necessary.
11825         (Output_section::Input_section_sort_entry): Define new class.
11826         (Output_section::Input_section_sort_compare::operator()): New
11827         function.
11828         (Output_section::sort_attached_input_sections): New function.
11829         * configure.ac: Check whether the compiler supports constructor
11830         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11831         * testsuite/initpri1.c: New file.
11832         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11833         CONSTRUCTOR_PRIORITY.
11834         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11835         (initpri1_LDFLAGS): New variable.
11836         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11837
11838 2008-03-27  Ian Lance Taylor  <iant@google.com>
11839
11840         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11841         * testsuite/common_test_1.c: New file.
11842         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11843         (common_test_1_SOURCES): New variable.
11844         (common_test_1_DEPENDENCIES): New variable.
11845         (common_test_1_LDFLAGS): New variable.
11846
11847         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11848         and commons_ correctly when NAME/VERSION does not override
11849         NAME/NULL.
11850         * testsuite/ver_test_6.c: New file.
11851         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11852         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11853         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11854
11855 2008-03-26  Ian Lance Taylor  <iant@google.com>
11856
11857         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11858         of an undefined symbol from a version script.
11859         * testsuite/Makefile.am (ver_test_5.so): New target.
11860         (ver_test_5.o): New target.
11861         (check_SCRIPTS): Add ver_test_5.sh.
11862         (check_DATA): Add ver_test_5.syms.
11863         (ver_test_5.syms): New target.
11864         * testsuite/ver_test_5.cc: New file.
11865         * testsuite/ver_test_5.script: New file.
11866         * testsuite/ver_test_5.sh: New file.
11867         * Makefile.in, testsuite/Makefile.in: Rebuild.
11868
11869         PR gold/5986
11870         Fix problems building gold with gcc 4.3.0.
11871         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11872         (gold_error_at_location, gold_warning_at_location): Use it.
11873         * configure.ac: Check whether we can compile and use a template
11874         function with a printf attribute.
11875         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11876         when jumping over bytes.
11877         * object.cc: Instantiate Object::read_section_data.
11878         * debug.h: Include <cstring>
11879         * dwarf_reader.cc: Include <algorithm>
11880         * main.cc: Include <cstring>.
11881         * options.cc: Include <cstring>.
11882         * output.cc: Include <cstring>.
11883         * script.cc: Include <cstring>.
11884         * script.h: Include <string>.
11885         * symtab.cc: Include <cstring> and <algorithm>.
11886         * target-select.cc: Include <cstring>.
11887         * version.cc: Include <string>.
11888         * testsuite/testmain.cc: Include <cstdlib>.
11889         * configure, config.in: Rebuild.
11890
11891 2008-03-25  Ian Lance Taylor  <iant@google.com>
11892
11893         * options.cc: Include "../bfd/bfdver.h".
11894         (options::help): Print bug reporting address.
11895
11896         * version.cc (print_version): Adjust output for current value of
11897         BFD_VERSION_STRING.
11898
11899         * NEWS: New file.
11900
11901         * options.cc (options::help): Print list of supported targets.
11902         * target-select.h: Include <vector>.
11903         (class Target_selector): Make machine_, size_, and is_big_endian_
11904         fields const.  Add bfd_name_ and instantiated_target_ fields.
11905         (Target_selector::Target_selector): Add bfd_name parameter.
11906         (Target_selector::recognize): Make non-virtual, call
11907         do_recognize.
11908         (Target_selector::recognize_by_name): Make non-virtual, call
11909         do_recognize_by_name.
11910         (Target_selector::supported_names): New function.
11911         (Target_selector::bfd_name): New function.
11912         (Target_selector::do_instantiate_target): New pure virtual
11913         function.
11914         (Target_selector::do_recognize): New virtual function.
11915         (Target_selector::do_recognize_by_name): New virtual function.
11916         (Target_selector::instantiate_target): New private function.
11917         (supported_target_names): Declare.
11918         * target-select.cc (Target_selector::Target_selector): Update for
11919         new parameter and fields.
11920         (select_target_by_name): Check that the name matches before
11921         calling recognize_by_name.
11922         (supported_target_names): New function.
11923         * i386.cc (class Target_selector_i386): Update Target_selector
11924         constructor call.  Remove recognize and recognize_by_name.  Add
11925         do_instantiate_target.
11926         * x86_64.cc (class Target_selector_x86_64): Likewise.
11927         * testsuite/testfile.cc (class Target_selector_test): Update for
11928         changes to Target_selector.
11929
11930         * README: Rewrite, with some notes on unsupported features.
11931
11932 2008-03-24  Cary Coutant  <ccoutant@google.com>
11933
11934         * i386.cc (Target_i386::Got_type): New enum declaration.
11935         (Target_i386::Scan::local): Updated callers of Output_data_got
11936         member functions.
11937         (Target_i386::Scan::global): Likewise.
11938         (Target_i386::Relocate::relocate): Likewise.
11939         (Target_i386::Relocate::relocate_tls): Likewise.
11940         * object.h (Got_offset_list): New class.
11941         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11942         (Sized_relobj::local_got_offset): Likewise.
11943         (Sized_relobj::set_local_got_offset): Likewise.
11944         (Sized_relobj::local_has_tls_got_offset): Removed.
11945         (Sized_relobj::local_tls_got_offset): Removed.
11946         (Sized_relobj::set_local_tls_got_offset): Removed.
11947         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11948         * output.cc (Output_data_got::add_global): Added got_type parameter.
11949         (Output_data_got::add_global_with_rel): Likewise.
11950         (Output_data_got::add_global_with_rela): Likewise.
11951         (Output_data_got::add_global_pair_with_rel): New function.
11952         (Output_data_got::add_global_pair_with_rela): New function.
11953         (Output_data_got::add_local): Added got_type parameter.
11954         (Output_data_got::add_local_with_rel): Likewise.
11955         (Output_data_got::add_local_with_rela): Likewise.
11956         (Output_data_got::add_local_pair_with_rel): New function.
11957         (Output_data_got::add_local_pair_with_rela): New function.
11958         (Output_data_got::add_global_tls): Removed.
11959         (Output_data_got::add_global_tls_with_rel): Removed.
11960         (Output_data_got::add_global_tls_with_rela): Removed.
11961         (Output_data_got::add_local_tls): Removed.
11962         (Output_data_got::add_local_tls_with_rel): Removed.
11963         (Output_data_got::add_local_tls_with_rela): Removed.
11964         * output.h (Output_data_got::add_global): Added got_type parameter.
11965         (Output_data_got::add_global_with_rel): Likewise.
11966         (Output_data_got::add_global_with_rela): Likewise.
11967         (Output_data_got::add_global_pair_with_rel): New function.
11968         (Output_data_got::add_global_pair_with_rela): New function.
11969         (Output_data_got::add_local): Added got_type parameter.
11970         (Output_data_got::add_local_with_rel): Likewise.
11971         (Output_data_got::add_local_with_rela): Likewise.
11972         (Output_data_got::add_local_pair_with_rel): New function.
11973         (Output_data_got::add_local_pair_with_rela): New function.
11974         (Output_data_got::add_global_tls): Removed.
11975         (Output_data_got::add_global_tls_with_rel): Removed.
11976         (Output_data_got::add_global_tls_with_rela): Removed.
11977         (Output_data_got::add_local_tls): Removed.
11978         (Output_data_got::add_local_tls_with_rel): Removed.
11979         (Output_data_got::add_local_tls_with_rela): Removed.
11980         * resolve.cc (Symbol::override_base_with_special): Removed
11981         reference to has_got_offset_ field.
11982         * symtab.cc (Symbol::init_fields): Replaced initialization
11983         of got_offset_ with got_offsets_.  Removed initialization
11984         of has_got_offset_
11985         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11986         (Symbol::got_offset): Likewise.
11987         (Symbol::set_got_offset): Likewise.
11988         (Symbol::has_tls_got_offset): Removed.
11989         (Symbol::tls_got_offset): Removed.
11990         (Symbol::set_tls_got_offset): Removed.
11991         (Symbol::got_offset_): Removed.
11992         (Symbol::tls_mod_got_offset_): Removed.
11993         (Symbol::tls_pair_got_offset_): Removed.
11994         (Symbol::got_offsets_): New field.
11995         (Symbol::has_got_offset): Removed.
11996         (Symbol::has_tls_mod_got_offset): Removed.
11997         (Symbol::has_tls_pair_got_offset): Removed.
11998         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11999         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12000         member functions.
12001         (Target_x86_64::Scan::global): Likewise.
12002         (Target_x86_64::Relocate::relocate): Likewise.
12003         (Target_x86_64::Relocate::relocate_tls): Likewise.
12004
12005 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12006
12007         * yyscript.y: Fix spelling error in comment.
12008
12009 2008-03-24  Ian Lance Taylor  <iant@google.com>
12010
12011         * options.h (class General_options): Define build_id option.
12012         * layout.h (class Layout): Declare write_build_id, create_note,
12013         create_build_id.  Add build_id_note_ member.
12014         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12015         "libiberty.h", "md5.h", "sha1.h".
12016         (Layout::Layout): Initialize eh_frame_data_,
12017         eh_frame_hdr_section_, and build_id_note_.
12018         (Layout::finalize): Call create_build_id.
12019         (Layout::create_note): New function, broken out of
12020         Layout::create_gold_note.
12021         (Layout::create_gold_note): Call create_note.
12022         (Layout::create_build_id): New function.
12023         (Layout::write_build_id): New function.
12024         (Close_task_runner::run): Call write_build_id.
12025
12026         * x86_64.cc: Correct license to GPLv3.
12027
12028 2008-03-23  Ian Lance Taylor  <iant@google.com>
12029
12030         * options.cc: Include "demangle.h".
12031         (parse_optional_string): New function.
12032         (parse_long_option): Handle takes_optional_argument.
12033         (parse_short_option): Update dash_z initializer.  Handle
12034         takes_optional_argument.
12035         (General_options::General_options): Initialize do_demangle_.
12036         (General_options::finalize): Set do_demangle_.  Handle demangling
12037         style.
12038         * options.h (parse_optional_string): Declare.
12039         (struct One_option): Add optional_arg field.  Update constructor.
12040         Update call constructor calls.  Add takes_optional_argument
12041         function.
12042         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12043         (DEFINE_optional_string): Define.
12044         (General_options::demangle): Change from DEFINE_bool to
12045         DEFINE_optional_string.
12046         (General_options::no_demangle): New function.
12047         (General_options::do_demangle): New function.
12048         (General_options::set_do_demangle): New function.
12049         (General_options::execstack_status_): Move definition to end of
12050         class definition.
12051         (General_options::static_): Likewise.
12052         (General_options::do_demangle_): New field.
12053         * object.cc (big_endian>::get_symbol_location_info): Call
12054         Options::do_demangle, not Options::demangle.
12055         * symtab.cc (demangle): Likewise.
12056
12057 2008-03-22  Ian Lance Taylor  <iant@google.com>
12058
12059         * gold.h: Include <cstddef> and <sys/types.h>
12060         * options.h: Include <cstring>.
12061
12062 2008-03-21  Ian Lance Taylor  <iant@google.com>
12063
12064         * Added source code to GNU binutils.