gold/ChangeLog

   1 2011-09-13  Cary Coutant  <ccoutant@google.com>
   2
   3         * configure.ac: Check for glibc support for gnu_indirect_function
   4         support with static linking, setting automake conditional
   5         IFUNC_STATIC.
   6         * Makefile.in: Regenerate.
   7         * configure: Regenerate.
   8
   9         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  10         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  11         for IFUNC_STATIC.
  12         * testsuite/Makefile.in: Regenerate.
  13
  14 2011-09-13  Cary Coutant  <ccoutant@google.com>
  15
  16         * incremental.cc (Sized_relobj_incr::do_layout): Call
  17         report_comdat_group for kept comdat sections.
  18         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
  19         * testsuite/Makefile.in: Regenerate.
  20         * testsuite/incr_comdat_test_1.cc: New source file.
  21         * testsuite/incr_comdat_test_2_v1.cc: New source file.
  22         * testsuite/incr_comdat_test_2_v2.cc: New source file.
  23         * testsuite/incr_comdat_test_2_v3.cc: New source file.
  24
  25 2011-09-13  Ian Lance Taylor  <iant@google.com>
  26
  27         * object.cc (Sized_relobj_file::do_layout): Remove unused local
  28         variable external_symbols_offset.
  29
  30 2011-09-12  Ian Lance Taylor  <iant@google.com>
  31
  32         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
  33         triggered if object has no symbols.
  34
  35 2011-09-09  David S. Miller  <davem@davemloft.net>
  36
  37         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
  38         (Output_fill_debug_line::do_write): Likewise.
  39
  40 2011-08-29  Cary Coutant  <ccoutant@google.com>
  41
  42         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
  43         casts to match formatting specs.
  44         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
  45
  46 2011-08-26  Cary Coutant  <ccoutant@google.com>
  47
  48         * layout.cc (Free_list::allocate): Provide guarantee of minimum
  49         remaining hole size when allocating.
  50         (Layout::make_output_section): Set fill methods for debug sections.
  51         * layout.h (Free_list::Free_list_node): Move from private to
  52         public.
  53         (Free_list::set_min_hole_size): New function.
  54         (Free_list::begin, Free_list::end): New functions.
  55         (Free_list::min_hole_): New data member.
  56         * output.cc: Include dwarf.h.
  57         (Output_fill_debug_info::do_minimum_hole_size): New function.
  58         (Output_fill_debug_info::do_write): New function.
  59         (Output_fill_debug_line::do_minimum_hole_size): New function.
  60         (Output_fill_debug_line::do_write): New function.
  61         (Output_section::Output_section): Initialize new data member.
  62         (Output_section::set_final_data_size): Ensure patch space is larger
  63         than minimum hole size.
  64         (Output_section::do_write): Fill holes in debug sections.
  65         * output.h (Output_fill): New class.
  66         (Output_fill_debug_info): New class.
  67         (Output_fill_debug_line): New class.
  68         (Output_section::set_free_space_fill): New function.
  69         (Output_section::free_space_fill_): New data member.
  70         * testsuite/Makefile.am (incremental_test_3): Add
  71         --incremental-patch option.
  72         (incremental_test_4): Likewise.
  73         (incremental_test_5): Likewise.
  74         (incremental_test_6): Likewise.
  75         (incremental_copy_test): Likewise.
  76         (incremental_common_test_1): Likewise.
  77         * testsuite/Makefile.in: Regenerate.
  78
  79 2011-08-26  Nick Clifton  <nickc@redhat.com>
  80
  81         * po/es.po: Updated Spanish translation.
  82
  83 2011-08-01  Cary Coutant  <ccoutant@google.com>
  84
  85         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
  86         * gold/testsuite/Makefile.in: Regenerate.
  87         * gold/testsuite/justsyms_exec.c: New source file.
  88         * gold/testsuite/justsyms_lib.c: New source file.
  89
  90 2011-08-01  Cary Coutant  <ccoutant@google.com>
  91
  92         * layout.cc (Layout::set_segment_offsets): Don't realign text
  93         segment if -Ttext was specified.
  94         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
  95         file type.
  96         * object.h (Sized_relobj_file::e_type): New function.
  97         (Sized_relobj_file::e_type_): New data member.
  98         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
  99         base address for ET_EXEC files.
 100         * target.cc (Target::do_make_elf_object_implementation): Allow
 101         ET_EXEC files with --just-symbols option.
 102
 103 2011-07-28  Cary Coutant  <ccoutant@google.com>
 104
 105         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 106         Add thread_number parameter.
 107         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 108         * workqueue-threads.cc
 109         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 110         current thread if its thread number is greater than desired thread
 111         count.
 112         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 113         Add thread_number parameter.
 114         (Workqueue::should_cancel_thread): Likewise.
 115         (Workqueue::find_runnable_or_wait): Pass thread_number to
 116         should_cancel_thread.
 117         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 118         parameter.
 119
 120 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 121
 122         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 123         only after checking if it cannot be forced local.
 124         * symtab.h (is_externally_visible): Check if the symbol is not forced
 125         local.
 126
 127 2011-07-15  Ian Lance Taylor  <iant@google.com>
 128
 129         * options.h (class General_options): Add --print-output-format.
 130         Move -EL next to -EB, for  better --help output.
 131         * target-select.cc: Include <cstdio>, "options.h", and
 132         "parameters.h".
 133         (Target_selector::do_target_bfd_name): New function.
 134         (print_output_format): New function.
 135         * target-select.h (class Target_selector): Update declarations.
 136         (Target_selector::target_bfd_name): New function.
 137         (print_output_format): Declare.
 138         * main.cc: Include "target-select.h".
 139         (main): Handle --print-output-format.
 140         * gold.cc: Include "target-select.h".
 141         (queue_initial_tasks): Handle --print-output-format when there are
 142         no input files.
 143         * parameters.cc (parameters_force_valid_target): Give a better
 144         error message if -EB/-EL does not match target.
 145         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 146         function.
 147
 148 2011-07-15  Ian Lance Taylor  <iant@google.com>
 149
 150         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 151         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 152         (Output_data_plt_i386::do_write): Write address of .dynamic
 153         section to first entry in .got.plt section.
 154         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 155         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 156         Initialize layout_.
 157         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 158         section to first entry in .got.plt section.
 159         * layout.h (Layout::dynamic_section): New function.
 160
 161 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 162
 163         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 164         to claim_file call.
 165         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 166         input_section_position_, and input_section_glob_.
 167         (read_layout_from_file): Call function section_ordering_specified.
 168         * layout.h (is_section_ordering_specified): New function.
 169         (section_ordering_specified): New function.
 170         (section_ordering_specified_): New boolean member.
 171         * main.cc(main): Call load_plugins after layout object is defined.
 172         * output.cc (Output_section::add_input_section): Use
 173         function section_ordering_specified to check if section ordering is
 174         needed.
 175         * output.cc (Output_section::add_relaxed_input_section): Use
 176         function section_ordering_specified to check if section ordering is
 177         needed.
 178         (Output_section::update_section_layout): New function.
 179         (Output_section::sort_attached_input_sections): Check if input section
 180         must be reordered.
 181         * output.h (Output_section::update_section_layout): New function.
 182         * plugin.cc (get_section_count): New function.
 183         (get_section_type): New function.
 184         (get_section_name): New function.
 185         (get_section_contents): New function.
 186         (update_section_order): New function.
 187         (allow_section_ordering): New function.
 188         (Plugin::load): Add the new interfaces to the transfer vector.
 189         (Plugin_manager::load_plugins): New parameter.
 190         (Plugin_manager::all_symbols_read): New parameter.
 191         (Plugin_manager::claim_file): New parameter. Save the elf object for
 192         unclaimed objects.
 193         (Plugin_manager::get_elf_object): New function.
 194         (Plugin_manager::get_view): Change to directly use the bool to check
 195         if get_view is called from claim_file_hook.
 196         * plugin.h (input_objects): New function
 197         (Plugin__manager::load_plugins): New parameter.
 198         (Plugin_manager::claim_file): New parameter.
 199         (Plugin_manager::get_elf_object): New function.
 200         (Plugin_manager::in_claim_file_handler): New function.
 201         (Plugin_manager::in_claim_file_handler_): New member.
 202         (layout): New function.
 203         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 204         handler with an extra parameter. Make the elf object before calling
 205         claim_file handler.
 206         * testsuite/plugin_test.c (get_section_count): New function pointer.
 207         (get_section_type): New function pointer.
 208         (get_section_name): New function pointer.
 209         (get_section_contents): New function pointer.
 210         (update_section_order): New function pointer.
 211         (allow_section_ordering): New function pointer.
 212         (onload): Check if the new interfaces exist.
 213
 214 2011-07-13  Ian Lance Taylor  <iant@google.com>
 215
 216         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 217         relro section.
 218         * x86_64.cc (Target_x86_64::got_section): Likewise.
 219         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 220         (relro_now_test_SOURCES): New variable.
 221         (relro_now_test_DEPENDENCIES): New variable.
 222         (relro_now_test_LDFLAGS): New variable.
 223         (relro_now_test_LDADD): New variable.
 224         (relro_now_test.so): New target.
 225         * testsuite/Makefile.in: Rebuild.
 226
 227 2011-07-12  Ian Lance Taylor  <iant@google.com>
 228
 229         PR gold/12980
 230         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 231         GLOB_DAT relocation rather than a RELATIVE relocation for a
 232         protected symbol when creating a shared library.
 233         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 234         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 235         * testsuite/protected_main_1.cc (main): Test that protected
 236         function has same address.
 237
 238 2011-07-11  Ian Lance Taylor  <iant@google.com>
 239
 240         PR gold/12979
 241         * options.h (class General_options): Add -Bgroup.
 242         * options.cc (General_options::finalize): If -Bgroup is set,
 243         default to --unresolved-symbols=report-all.
 244         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 245         * target-reloc.h (issue_undefined_symbol_error): Handle
 246         --unresolved-symbols=report-all.
 247
 248 2011-07-08  Ian Lance Taylor  <iant@google.com>
 249
 250         PR gold/11985
 251         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 252         if linker script discards key sections.
 253         (Layout::create_dynamic_symtab): Likewise.
 254         (Layout::assign_local_dynsym_offsets): Likewise.
 255         (Layout::sized_create_version_sections): Likewise.
 256         (Layout::create_interp): Likewise.
 257         (Layout::finish_dynamic_section): Likewise.
 258         (Layout::set_dynamic_symbol_size): Likewise.
 259
 260 2011-07-08  Ian Lance Taylor  <iant@google.com>
 261
 262         PR gold/12386
 263         * options.h (class General_options): Add --unresolved-symbols.
 264         * target-reloc.h (issue_undefined_symbol_error): Check
 265         --unresolved-symbols.  Add comments.
 266
 267 2011-07-08  Ian Lance Taylor  <iant@google.com>
 268
 269         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 270         expression more complex.
 271
 272 2011-07-08  Ian Lance Taylor  <iant@google.com>
 273
 274         PR gold/11317
 275         * target-reloc.h (issue_undefined_symbol_error): New inline
 276         function, broken out of relocate_section.
 277         (relocate_section): Call issue_undefined_symbol_error.
 278         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 279         there is no TLS segment if we are about to issue an undefined
 280         symbol error.
 281         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 282
 283 2011-07-08  Ian Lance Taylor  <iant@google.com>
 284
 285         PR gold/12279
 286         * resolve.cc (Symbol_table::should_override): Add fromtype
 287         parameter.  Change all callers.  Give error when linking together
 288         TLS and non-TLS symbol.
 289         (Symbol_table::should_override_with_special): Add fromtype
 290         parameter.  Change all callers.
 291         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 292         there is no TLS segment if we have reported some errors.
 293         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 294
 295 2011-07-08  Ian Lance Taylor  <iant@google.com>
 296
 297         PR gold/12372
 298         * target.h (Target::plt_address_for_global): New function.
 299         (Target::plt_address_for_local): New function.
 300         (Target::plt_section_for_global): Remove.
 301         (Target::plt_section_for_local): Remove.
 302         (Target::do_plt_address_for_global): New virtual function.
 303         (Target::do_plt_address_for_local): New virtual function.
 304         (Target::do_plt_section_for_global): Remove.
 305         (Target::do_plt_section_for_local): Remove.
 306         (Target::register_global_plt_entry): Add Symbol_table and Layout
 307         parameters.
 308         * output.cc (Output_data_got::Got_entry::write): Use
 309         plt_address_for_global and plt_address_for_local.
 310         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 311         address of output section.
 312         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 313         got_irelative_, and irelative_count_ fields.  Update
 314         declarations.
 315         (Output_data_plt_i386::has_irelative_section): New function.
 316         (Output_data_plt_i386::entry_count): Add irelative_count_.
 317         (Output_data_plt_i386::set_final_data_size): Likewise.
 318         (class Target_i386): Add got_irelative_ and rel_irelative_
 319         fields.  Update declarations.
 320         (Target_i386::Target_i386): Initialize new fields.
 321         (Target_i386::do_plt_address_for_global): New function replacing
 322         do_plt_section_for_global.
 323         (Target_i386::do_plt_address_for_local): New function replacing
 324         do_plt_section_for_local.
 325         (Target_i386::got_section): Create got_irelative_.
 326         (Target_i386::rel_irelative_section): New function.
 327         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 328         fields.  Don't define __rel_iplt_{start,end}.
 329         (Output_data_plt_i386::add_entry): Add symtab and layout
 330         parameters.  Change all callers.  Use different PLT and GOT for
 331         IFUNC symbols.
 332         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 333         layout parameters.  Change all callers.  Use different PLT and
 334         GOT.
 335         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 336         (Output_data_plt_i386::rel_irelative): New function.
 337         (Output_data_plt_i386::address_for_global): New function.
 338         (Output_data_plt_i386::address_for_local): New function.
 339         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 340         IRELATIVE GOT when changing IFUNC GOT entries.
 341         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 342         reloc.
 343         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 344         if we didn't create an IRELATIVE GOT.
 345         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 346         plt_address_for_local.
 347         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 348         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 349         got_irelative_, and irelative_count_ fields.  Update
 350         declarations.
 351         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 352         Initialize new fields.  Remove symtab parameter.  Change all
 353         callers.
 354         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 355         irelative_count_.
 356         (Output_data_plt_x86_64::has_irelative_section): New function.
 357         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 358         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 359         fields.  Update declarations.
 360         (Target_x86_64::Target_x86_64): Initialize new fields.
 361         (Target_x86_64::do_plt_address_for_global): New function replacing
 362         do_plt_section_for_global.
 363         (Target_x86_64::do_plt_address_for_local): New function replacing
 364         do_plt_section_for_local.
 365         (Target_x86_64::got_section): Create got_irelative_.
 366         (Target_x86_64::rela_irelative_section): New function.
 367         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 368         all callers.  Don't create __rel_iplt_{start,end}.
 369         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 370         parameters.  Change all callers.  Use different PLT and GOT for
 371         IFUNC symbols.
 372         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 373         layout parameters.  Change all callers.  Use different PLT and
 374         GOT.
 375         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 376         parameters.  Change all callers.  Use different PLT and GOT for
 377         IFUNC symbols.
 378         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 379         (Output_data_plt_x86_64::rela_irelative): New function.
 380         (Output_data_plt_x86_64::address_for_global): New function.
 381         (Output_data_plt_x86_64::address_for_local): New function.
 382         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 383         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 384         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 385         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 386         parameters.
 387         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 388         reloc.
 389         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 390         symbols if we didn't create an IRELATIVE GOT.
 391         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 392         plt_address_for_local.
 393         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 394         * testsuite/ifuncvar1.c: New test file.
 395         * testsuite/ifuncvar2.c: New test file.
 396         * testsuite/ifuncvar3.c: New test file.
 397         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 398         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 399         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 400         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 401         * testsuite/Makefile.in: Rebuild.
 402
 403 2011-07-07  Cary Coutant  <ccoutant@google.com>
 404
 405         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 406         (two_file_test_1_ndebug.o): Likewise.
 407         (two_file_test_1b_ndebug.o): Likewise.
 408         (two_file_test_2_ndebug.o): Likewise.
 409         (two_file_test_main_ndebug.o): Likewise.
 410         (incremental_test_2): Link with no-debug versions.
 411
 412 2011-07-06  Cary Coutant  <ccoutant@google.com>
 413
 414         * gold/incremental.cc
 415         (Output_section_incremental_inputs::write_info_blocks): Check for
 416         hidden and internal symbols.
 417
 418 2011-07-06  Cary Coutant  <ccoutant@google.com>
 419
 420         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 421         Check disposition for startup file.
 422         (Incremental_inputs::report_command_line): Ignore
 423         --incremental-startup-unchanged option.
 424         * options.cc (General_options::parse_incremental_startup_unchanged):
 425         New function.
 426         (General_options::General_options): Initialize new data member.
 427         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 428         (General_options): Add --incremental-startup-unchanged option.
 429         (General_options::incremental_startup_disposition): New function.
 430         (General_options::incremental_startup_disposition_): New data member.
 431
 432 2011-07-06  Cary Coutant  <ccoutant@google.com>
 433
 434         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 435         input file index to Script_info ctor.
 436         (Sized_incremental_binary::do_file_has_changed): Find the
 437         command-line argument for files named in scripts.
 438         * incremental.h (Script_info::Script_info): New ctor
 439         with input file index.
 440         (Script_info::input_file_index): New function.
 441         (Script_info::input_file_index_): New data member.
 442         (Incremental_binary::get_library): Add const.
 443         (Incremental_binary::get_script_info): Add const.
 444         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 445         * testsuite/Makefile.am (incremental_test_5): New test case.
 446         (incremental_test_6): New test case.
 447         * testsuite/Makefile.in: Regenerate.
 448
 449 2011-07-06  Cary Coutant  <ccoutant@google.com>
 450
 451         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 452         debug output when command lines differ.
 453
 454 2011-07-06  Cary Coutant  <ccoutant@google.com>
 455
 456         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 457         --incremental-patch option.
 458         * layout.cc (Free_list::allocate): Extend allocation beyond original
 459         end if enabled.
 460         (Layout::make_output_section): Mark sections that should get
 461         patch space.
 462         * options.cc (parse_percent): New function.
 463         * options.h (parse_percent): New function.
 464         (DEFINE_percent): New macro.
 465         (General_options): Add --incremental-patch option.
 466         * output.cc (Output_section::Output_section): Initialize new data
 467         members.
 468         (Output_section::add_input_section): Print section name when out
 469         of patch space.
 470         (Output_section::add_output_section_data): Likewise.
 471         (Output_section::set_final_data_size): Add patch space when
 472         doing --incremental-full.
 473         (Output_section::do_reset_address_and_file_offset): Remove patch
 474         space.
 475         (Output_segment::set_section_list_addresses): Print debug output
 476         only if --incremental-update.
 477         * output.h (Output_section::set_is_patch_space_allowed): New function.
 478         (Output_section::is_patch_space_allowed_): New data member.
 479         (Output_section::patch_space_): New data member.
 480         * parameters.cc (Parameters::incremental_full): New function.
 481         * parameters.h (Parameters::incremental_full): New function
 482         * testsuite/Makefile.am (incremental_test_2): Add test for
 483         --incremental-patch option.
 484         * testsuite/Makefile.in: Regenerate.
 485         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 486         (t18): Remove function body.
 487
 488 2011-07-05  Doug Kwan  <dougkwan@google.com>
 489
 490         PR gold/12771
 491         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 492         Arm_Address type for relocation result.
 493         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 494         overflow check.
 495         (Arm_relocate_functions::abs32): Use unaligned access.
 496         (Arm_relocate_functions::rel32): Ditto.
 497         (Arm_relocate_functions::prel31): Ditto.
 498         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 499         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 500         static data relocations.
 501         * testsuite/Makefile.in: Regnerate.
 502         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 503
 504 2011-07-05  Ian Lance Taylor  <iant@google.com>
 505
 506         PR gold/12392
 507         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 508         symbols if necessary.
 509         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 510
 511 2011-07-05  Ian Lance Taylor  <iant@google.com>
 512
 513         PR gold/12952
 514         * resolve.cc (Symbol::override_base_with_special): Simply override
 515         version with special symbol version, ignoring previous version.
 516
 517 2011-07-05  Ian Lance Taylor  <iant@google.com>
 518
 519         * object.cc (Sized_relobj_file::include_section_group): Add
 520         information to comment about signature location.
 521
 522 2011-07-02  Ian Lance Taylor  <iant@google.com>
 523
 524         PR gold/12957
 525         * options.h (class General_options): Add -f and -F.
 526         * options.cc (General_options::finalize): Fatal error if -f/-F
 527         are used without -shared.
 528         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 529
 530 2011-07-02  Ian Lance Taylor  <iant@google.com>
 531
 532         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 533
 534 2011-07-01  Ian Lance Taylor  <iant@google.com>
 535
 536         PR gold/12525
 537         PR gold/12952
 538         * resolve.cc (Symbol::override_base_with_special): Don't override
 539         the version if the overriding symbol has a different name.
 540         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 541         all callers.  If we give an error about an undefined version,
 542         define the base version if necessary.
 543         * dynobj.h (class Versions): Update declaration.
 544         * testsuite/weak_alias_test_5.cc: New file.
 545         * testsuite/weak_alias_test.script: New file.
 546         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 547         and versioned_alias have the right value, and call t2.
 548         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 549         weak_alias_test_5.so.
 550         (weak_alias_test_LDADD): Likewise.
 551         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 552         * testsuite/Makefile.in: Rebuild.
 553
 554 2011-07-01  Ian Lance Taylor  <iant@google.com>
 555
 556         PR gold/12525
 557         * options.h (class General_options): Support -z notext.
 558         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 559         -Wl,-z,notext.
 560         (two_file_shared_nonpic.so): Likewise.
 561         (two_file_shared_mixed.so): Likewise.
 562         (two_file_shared_mixed_1.so): Likewise.
 563         (weak_undef_lib_nonpic.so): Likewise.
 564         (alt/weak_undef_lib_nonpic.so): Likewise.
 565         (tls_test_shared_nonpic.so): Likewise.
 566         * testsuite/Makefile.in: Rebuild.
 567
 568 2011-07-01  Ian Lance Taylor  <iant@google.com>
 569
 570         PR gold/12525
 571         * configure.ac: Test whether static linking works, setting
 572         the automake conditional HAVE_STATIC.
 573         * testsuite/Makefile.am: Disable tests using -static if
 574         HAVE_STATIC is not true.
 575         * configure, testsuite/Makefile.in: Rebuild.
 576
 577 2011-07-01  Ian Lance Taylor  <iant@google.com>
 578
 579         PR gold/12525
 580         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 581         Assert if we see DW_EH_PE_indirect.
 582         * target.h (Target::ehframe_datarel_base): New function.
 583         (Target::do_ehframe_datarel_base): New target function.
 584         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 585         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 586         function.
 587
 588 2011-07-01  Ian Lance Taylor  <iant@google.com>
 589
 590         PR gold/12571
 591         * options.h (class General_options): Add
 592         --ld-generated-unwind-info.
 593         * ehframe.cc (Fde::write): Add address parameter.  Change all
 594         callers.  If associated with PLT, fill in address and size.
 595         (Cie::set_output_offset): Only add merge mapping if there is an
 596         object.
 597         (Cie::write): Add address parameter.  Change all callers.
 598         (Eh_frame::add_ehframe_for_plt): New function.
 599         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 600         input_offset_ fields into union u_, with new plt field.
 601         (Fde::Fde): Adjust for new union field.
 602         (Fde::Fde) [Output_data version]: New constructor.
 603         (Fde::add_mapping): Only add merge mapping if there is an object.
 604         (class Cie): Update declarations.
 605         (class Eh_frame): Declare add_ehframe_for_plt.
 606         * layout.cc (Layout::layout_eh_frame): Break out code into
 607         make_eh_frame_section, and call it.
 608         (Layout::make_eh_frame_section): New function.
 609         (Layout::add_eh_frame_for_plt): New function.
 610         * layout.h (class Layout): Update declarations.
 611         * merge.cc (Merge_map::add_mapping): Add assertion.
 612         * i386.cc: Include "dwarf.h".
 613         (class Output_data_plt_i386): Make first_plt_entry,
 614         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 615         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 616         and plt_eh_frame_fde.
 617         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 618         boundary.  Call add_eh_frame_for_plt if appropriate.
 619         * x86_64.cc: Include "dwarf.h".
 620         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 621         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 622         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 623         and plt_eh_frame_fde.
 624         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 625         appropriate.
 626
 627 2011-06-29  Ian Lance Taylor  <iant@google.com>
 628
 629         PR gold/12629
 630         * object.cc (Sized_relobj_file::layout_section): Change shdr
 631         parameter to be const.
 632         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 633         out of do_layout.
 634         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 635         appropriate.  Call layout_eh_frame_section.
 636         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 637         sections.
 638         * object.h (class Sized_relobj_file): Update declarations.
 639
 640 2011-06-29  Ian Lance Taylor  <iant@google.com>
 641
 642         PR gold/12652
 643         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 644         modifier.
 645         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 646
 647 2011-06-29  Ian Lance Taylor  <iant@google.com>
 648
 649         PR gold/12675
 650         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 651         SHT_X86_64_UNWIND.
 652         * layout.cc (Layout::layout_eh_frame): Likewise.
 653
 654 2011-06-29  Ian Lance Taylor  <iant@google.com>
 655
 656         PR gold/12695
 657         * layout.cc (Layout::symtab_section_shndx): New function.
 658         * layout.h (class Layout): Declare symtab_section_shndx.
 659         * output.cc (Output_section::write_header): Call it.
 660
 661 2011-06-29  Ian Lance Taylor  <iant@google.com>
 662
 663         PR gold/12818
 664         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 665         symbols which are not used in a relocation.
 666
 667 2011-06-28  Ian Lance Taylor  <iant@google.com>
 668
 669         PR gold/12898
 670         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 671         script create indistinguishable segments.
 672         (Layout::set_segment_offsets): Use stable_sort when sorting
 673         segments.  Pass this to Compare_segments constructor.
 674         * layout.h (class Layout): Make segment_precedes non-static.
 675         (class Compare_segments): Change from struct to class.  Add
 676         layout_ field.  Add constructor.
 677         * script-sections.cc
 678         (Script_sections::attach_sections_using_phdrs_clause): Rename
 679         local orphan to is_orphan.  Don't report failure to put empty
 680         section in segment.  On attachment failure, report name of
 681         section, and attach to first PT_LOAD segment.
 682
 683 2011-06-28  Ian Lance Taylor  <iant@google.com>
 684
 685         PR gold/12934
 686         * target-select.cc (Target_selector::Target_selector): Add
 687         emulation parameter.  Change all callers.
 688         (select_target_by_bfd_name): Rename from select_target_by_name.
 689         Change all callers.
 690         (select_target_by_emulation): New function.
 691         (supported_emulation_names): New function.
 692         * target-select.h (class Target_selector): Add emulation_ field.
 693         Update declarations.
 694         (Target_selector::recognize_by_bfd_name): Rename from
 695         recognize_by_name.  Change all callers.
 696         (Target_selector::supported_bfd_names): Rename from
 697         supported_names.  Change all callers.
 698         (Target_selector::recognize_by_emulation): New function.
 699         (Target_selector::supported_emulations): New function.
 700         (Target_selector::emulation): New function.
 701         (Target_selector::do_recognize_by_bfd_name): Rename from
 702         do_recognize_by_name.  Change all callers.
 703         (Target_selector::do_supported_bfd_names): Rename from
 704         do_supported_names.  Change all callers.
 705         (Target_selector::do_recognize_by_emulation): New function.
 706         (Target_selector::do_supported_emulations): New function.
 707         (select_target_by_bfd_name): Change name in declaration.
 708         (select_target_by_emulation): Declare.
 709         (supported_emulation_names): Declare.
 710         * parameters.cc (parameters_force_valid_target): Try to find
 711         target based on emulation from -m option.
 712         * options.h (class General_options): Change doc string for -m.
 713         * options.cc (help): Print emulations.
 714         (General_options::parse_V): Likewise.
 715         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 716         Add emulation parameter.  Change all callers.
 717
 718 2011-06-28  Ian Lance Taylor  <iant@google.com>
 719
 720         * target.h (class Target): Add osabi_ field.
 721         (Target::osabi): New function.
 722         (Target::set_osabi): New function.
 723         (Target::Target): Initialize osabi_.
 724         (Target::do_adjust_elf_header): Make pure virtual.
 725         (Sized_target::do_adjust_elf_header): Declare.
 726         * target.cc (Sized_target::do_adjust_elf_header): New function.
 727         (class Sized_target): Instantiate all versions.
 728         * freebsd.h (class Target_freebsd): Remove.
 729         (Target_selector_freebsd::do_recognize): Call set_osabi on
 730         Target.
 731         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 732         (Target_selector_freebsd::set_osabi): Remove.
 733         * i386.cc (class Target_i386): Inherit from Sized_target rather
 734         than Target_freebsd.
 735         * x86_64.cc (class Target_x86_64): Likewise.
 736
 737 2011-06-28  Ian Lance Taylor  <iant@google.com>
 738
 739         * target.h (Target::can_check_for_function_pointers): Rewrite.
 740         Make non-virtual.
 741         (Target::can_icf_inline_merge_sections): Likewise.
 742         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 743         (Target::Target_info): Add can_icf_inline_merge_sections field.
 744         (Target::do_can_check_for_function_pointers): New virtual
 745         function.
 746         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 747         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 748         from can_check_for_function_pointers, move in file.
 749         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 750         section_may_have_icf_unsafe_poineters, move in file.
 751         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 752         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 753         Rename from can_check_for_function_pointers, move in file.
 754         (Target_i386::can_icf_inline_merge_sections): Remove.
 755         (Target_i386::i386_info): Initialize
 756         can_icf_inline_merge_sections.
 757         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 758         Initialize can_icf_inline_merge_sections.
 759         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 760         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 761         Rename from can_check_for_function_pointers, move in file.
 762         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 763         (Target_x86_64::x86_64_info): Initialize
 764         can_icf_inline_merge_sections.
 765         * testsuite/testfile.cc (Target_test::test_target_info):
 766         Likewise.
 767         * icf.cc (get_section_contents): Correct formatting.
 768
 769 2011-06-27  Ian Lance Taylor  <iant@google.com>
 770
 771         * symtab.cc (Symbol::versioned_name): New function.
 772         (Symbol_table::add_to_final_symtab): Use versioned_name when
 773         appropriate.
 774         (Symbol_table::sized_write_symbol): Likewise.
 775         * symtab.h (class Symbol): Declare versioned_name.
 776         * stringpool.h (class Stringpool_template): Add variant of add
 777         which takes a std::basic_string.
 778         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 779         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 780         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 781         (ver_test_12.o): New target.
 782         * testsuite/Makefile.in: Rebuild.
 783
 784 2011-06-27  Doug Kwan  <dougkwan@google.com>
 785
 786         * arm.cc (Arm_relocate_functions::thm_jump8,
 787         Arm_relocate_functions::thm_jump11): Use a wider signed
 788         type to compute offset.
 789         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 790         arm_thm_jump8.
 791         * testsuite/Makefile.in: Regenerate.
 792         * testsuite/arm_branch_in_range.sh: Check test results of
 793         arm_thm_jump11 and arm_thm_jump8.
 794         * testsuite/arm_thm_jump11.s: New test source file.
 795         * testsuite/arm_thm_jump11.t: New linker script.
 796         * testsuite/arm_thm_jump8.s: New test source file.
 797         * testsuite/arm_thm_jump8.t: New linker script.
 798
 799 2011-06-24  Ian Lance Taylor  <iant@google.com>
 800
 801         * layout.cc: Include "object.h".
 802         (ctors_sections_in_init_array): New static variable.
 803         (Layout::is_ctors_in_init_array): New function.
 804         (Layout::layout): Add entry to ctors_sections_in_init_array if
 805         appropriate.
 806         * layout.h (class Layout): Declare is_ctors_in_init_array.
 807         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 808         is_ctors_reverse_view is set.
 809         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 810         all callers.  Set is_ctors_reverse_view field of View_size.
 811         (Sized_relobj_file::reverse_words): New function.
 812         * object.h (Sized_relobj_file::View_size): Add
 813         is_ctors_reverse_view field.
 814         (class Sized_relobj_file): Update declarations.
 815         * testsuite/initpri3.c: New test.
 816         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 817         initpri3b.
 818         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 819         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 820         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 821         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 822         * testsuite/Makefile.in: Rebuild.
 823
 824 2011-06-24  Cary Coutant  <ccoutant@google.com>
 825
 826         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 827         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 828         (debug_msg_cdebug.err): New targets.
 829         * testsuite/Makefile.in: Regenerate.
 830         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 831         Fix checks for link with shared library.
 832
 833 2011-06-24  Doug Kwan  <dougkwan@google.com>
 834
 835         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 836         skip empty text sections.
 837         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 838
 839 2011-06-22  Ian Lance Taylor  <iant@google.com>
 840
 841         PR gold/12910
 842         * options.h (class General_options): Add --ctors-in-init-array.
 843         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 844         friends as SHT_PROGBITS for merging sections.
 845         (Layout::layout): Remove special handling of .init_array and
 846         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 847         and .dtors if ctors_in_init_array.
 848         (Layout::make_output_section): Force correct section types for
 849         .init_array and friends.  Don't sort if doing relocatable link,
 850         Don't sort .ctors and .dtors if ctors_in_init_array.
 851         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 852         (Layout::output_section_name): Add relobj parameter.  Change all
 853         callers.  Handle .ctors. and .dtors. in code rather than table.
 854         Handle .ctors and .dtors if ctors_in_init_array.
 855         (Layout::match_file_name): New function, moved from output.cc.
 856         * layout.h (class Layout): Update declarations.
 857         * output.cc: Include "layout.h".
 858         (Input_section_sort_entry::get_priority): New function.
 859         (Input_section_sort_entry::match_file_name): Just call
 860         Layout::match_file_name.
 861         (Output_section::Input_section_sort_init_fini_compare::operator()):
 862         Handle .ctors and .dtors.  Sort by explicit priority rather than
 863         by name.
 864         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 865         * testsuite/initpri2.c: New test.
 866         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 867         (check_PROGRAMS): Add initpri2.
 868         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 869         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 870         * configure, testsuite/Makefile.in: Rebuild.
 871
 872 2011-06-19  Ian Lance Taylor  <iant@google.com>
 873
 874         PR gold/12880
 875         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 876         .interp section to a PT_INTERP segment even if we have seen a
 877         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 878         clause in a linker script.
 879         (Layout::finalize): Don't create a .interp section if we've
 880         already create a PT_INTERP segment.
 881         (Layout::create_interp): Always call choose_output_section (revert
 882         patch of 2011-06-17).  Don't create PT_INTERP segment.
 883         * script-sections.cc
 884         (Script_sections::create_note_and_tls_segments): Add a .interp
 885         section to a PT_INTERP segment even if we have seen a
 886         --dynamic-linker option.
 887
 888 2011-06-18  Ian Lance Taylor  <iant@google.com>
 889
 890         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 891         merely because a non-PT_LOAD segment has a dynamic reloc.
 892
 893 2011-06-18  Ian Lance Taylor  <iant@google.com>
 894
 895         * layout.cc (Layout::finish_dynamic_section): Don't create
 896         DT_FLAGS entry if not needed.
 897
 898 2011-06-18  Ian Lance Taylor  <iant@google.com>
 899
 900         PR gold/12745
 901         * layout.cc (Layout::layout_eh_frame): Correct handling of
 902         writable .eh_frame section.
 903
 904 2011-06-17  Ian Lance Taylor  <iant@google.com>
 905
 906         PR gold/12893
 907         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 908         symbol is redefined with the exact same object and value.
 909
 910 2011-06-17  Ian Lance Taylor  <iant@google.com>
 911
 912         PR gold/12880
 913         * layout.h (class Layout): Add interp_segment_ field.
 914         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 915         (Layout::attach_allocated_section_to_segment): If making shared
 916         library, put .interp section in PT_INTERP segment.
 917         (Layout::finalize): Also call create_interp if -dynamic-linker
 918         option was used.
 919         (Layout::create_interp): Assert that there is no PT_INTERP
 920         segment.  If not using a SECTIONS clause, use make_output_section.
 921         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 922         * script-sections.cc
 923         (Script_sections::create_note_and_tls_segments): If making shared
 924         library, put .interp section in PT_INTERP segment.
 925
 926 2011-06-17  Ian Lance Taylor  <iant@google.com>
 927
 928         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 929         when making a shared library.
 930
 931 2011-06-17  Ian Lance Taylor  <iant@google.com>
 932
 933         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 934         parameter.  Change all callers.  Don't issue warning about PC32
 935         against locally defined symbol.
 936
 937 2011-06-16  Ian Lance Taylor  <iant@google.com>
 938
 939         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 940         occurs in same object.
 941
 942 2011-06-14  Alan Modra  <amodra@gmail.com>
 943
 944         * po/POTFILES.in: Regenerate.
 945
 946 2011-06-09  Ian Lance Taylor  <iant@google.com>
 947
 948         * script-sections.cc
 949         (Orphan_output_section::set_section_addresses): For a relocatable
 950         link set address to 0.
 951
 952 2011-06-09  Cary Coutant  <ccoutant@google.com>
 953
 954         PR gold/12804
 955         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 956         used with --compress-debug-sections.
 957         * gold/object.cc (Sized_relobj_file::do_layout): Report
 958         uncompressed size of compressed input sections.
 959
 960 2011-06-08  Cary Coutant  <ccoutant@google.com>
 961
 962         PR gold/12804
 963         * testsuite/two_file_test_2_v1.cc: Change initialization of
 964         v2 to keep it in .data.
 965
 966 2011-06-07  Cary Coutant  <ccoutant@google.com>
 967
 968         * common.cc (Symbol_table::do_allocate_commons_list): Call
 969         gold_fallback.
 970         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 971         (Errors::fallback): New function.
 972         (gold_fallback): New function.
 973         * errors.h (Errors::fallback): New function.
 974         * gold.cc (gold_exit): Change status parameter to enum; adjust
 975         all callers.
 976         (queue_initial_tasks): Call gold_fallback.
 977         * gold.h: Include cstdlib.
 978         (Exit_status): New enum type.
 979         (gold_exit): Change status parameter to enum.
 980         (gold_fallback): New function.
 981         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
 982         (Layout::create_symtab_sections): Likewise.
 983         (Layout::create_shdrs): Likewise.
 984         * main.cc (main): Adjust call to gold_exit.
 985         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
 986         (Output_data_got::add_got_entry_pair): Likewise.
 987         (Output_section::add_input_section): Likewise.
 988         (Output_section::add_output_section_data): Likewise.
 989         (Output_segment::set_section_list_addresses): Likewise.
 990         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
 991
 992 2011-06-07  Cary Coutant  <ccoutant@google.com>
 993
 994         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
 995         for incremental links.
 996         * output.cc (Output_segment::set_section_list_addresses): Remove
 997         FIXME and test for TLS or BSS.
 998
 999 2011-06-07  Cary Coutant  <ccoutant@google.com>
1000
1001         * testsuite/Makefile.am: Add incremental_copy_test,
1002         incremental_common_test_1.
1003         * testsuite/Makefile.in: Regenerate.
1004         * testsuite/common_test_1_v1.c: New source file.
1005         * testsuite/common_test_1_v2.c: New source file.
1006         * testsuite/copy_test_v1.cc: New source file.
1007
1008 2011-06-07  Cary Coutant  <ccoutant@google.com>
1009
1010         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1011         update, allocate common from bss section's free list.
1012         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1013         linker-defined symbols.
1014         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1015         Skip GOT and PLT entries that are no longer referenced.
1016         (Output_section_incremental_inputs::write_info_blocks): Mark
1017         linker-defined symbols.
1018         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1019         * output.cc (Output_section::allocate): New function.
1020         * output.h (Output_section::allocate): New function.
1021         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1022         linker-defined symbols.
1023         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1024         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1025         (Symbol::init_base_output_data): Likewise.
1026         (Symbol::init_base_output_segment): Likewise.
1027         (Symbol::init_base_constant): Likewise.
1028         (Sized_symbol::init_output_data): Likewise.
1029         (Sized_symbol::init_output_segment): Likewise.
1030         (Sized_symbol::init_constant): Likewise.
1031         (Symbol_table::do_define_in_output_data): Likewise.
1032         (Symbol_table::do_define_in_output_segment): Likewise.
1033         (Symbol_table::do_define_as_constant): Likewise.
1034         * symtab.h (Symbol::is_predefined): New function.
1035         (Symbol::init_base_output_data): Add is_predefined parameter.
1036         (Symbol::init_base_output_segment): Likewise.
1037         (Symbol::init_base_constant): Likewise.
1038         (Symbol::is_predefined_): New data member.
1039         (Sized_symbol::init_output_data): Add is_predefined parameter.
1040         (Sized_symbol::init_output_segment): Likewise.
1041         (Sized_symbol::init_constant): Likewise.
1042         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1043
1044 2011-06-07  Cary Coutant  <ccoutant@google.com>
1045
1046         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1047         instead of emit_copy_reloc.
1048         (Copy_relocs::emit_copy_reloc): Refactor.
1049         (Copy_relocs::make_copy_reloc): New function.
1050         (Copy_relocs::add_copy_reloc): Remove.
1051         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1052         section.
1053         (Copy_relocs::make_copy_reloc): New function.
1054         (Copy_relocs::add_copy_reloc): Remove.
1055         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1056         unchanged input files.
1057         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1058         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1059         Reserve BSS space for COPY relocations.
1060         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1061         (Output_section_incremental_inputs::write_info_blocks): Record
1062         whether a symbol is copied from a shared object.
1063         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1064         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1065         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1066         (Incremental_input_entry_reader::get_output_symbol_index): Add
1067         is_copy parameter.
1068         (Incremental_binary::emit_copy_relocs): New function.
1069         (Incremental_binary::do_emit_copy_relocs): New function.
1070         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1071         new data member.
1072         (Sized_incremental_binary::add_copy_reloc): New function.
1073         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1074         (Sized_incremental_binary::Copy_reloc): New struct.
1075         (Sized_incremental_binary::Copy_relocs): New typedef.
1076         (Sized_incremental_binary::copy_relocs_): New data member.
1077         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1078         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1079         * target.h (Sized_target::emit_copy_reloc): New function.
1080         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1081
1082 2011-06-02  Cary Coutant  <ccoutant@google.com>
1083
1084         PR gold/12163
1085         * gold/archive.cc (Archive::Archive): Initialize new data member.
1086         (Archive::include_all_members): Return if archive has already been
1087         included.
1088         * gold/archive.h (Archive::include_all_members_): New data member.
1089
1090 2011-06-02  Nick Clifton  <nickc@redhat.com>
1091
1092         * dynobj.h: Fix spelling mistake in comment.
1093         * output.cc: Likewise.
1094
1095 2011-05-31  Doug Kwan  <dougkwan@google.com>
1096             Asier Llano
1097
1098         PR gold/12826
1099         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1100         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1101         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1102         redundant arm_exidx_test.so.
1103         * testsuite/Makefile.in: Regenerate.
1104         (check_SCRIPTS): Add pr12826.sh
1105         (check_DATA): Add pr12826.stdout
1106         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1107         * testsuite/pr12826.sh: New file.
1108         * testsuite/pr12826_1.s: Ditto.
1109         * testsuite/pr12826_1.s: Ditto.
1110
1111 2011-05-30  Ian Lance Taylor  <iant@google.com>
1112
1113         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1114         sections.
1115
1116 2011-05-29  Ian Lance Taylor  <iant@google.com>
1117
1118         PR gold/12804
1119         * testsuite/Makefile.am: Use different file name for two_file_test
1120         temporary file for each incremental test.
1121         * testsuite/Makefile.in: Rebuild.
1122
1123 2011-05-29  Ian Lance Taylor  <iant@google.com>
1124
1125         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1126         binary input file is empty.
1127
1128 2011-05-27  Ian Lance Taylor  <iant@google.com>
1129
1130         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1131         (ver_test_9.so): Likewise.
1132         * testsuite/Makefile.in: Rebuild.
1133
1134 2011-05-26 Cary Coutant  <ccoutant@google.com>
1135
1136         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1137         * incremental.cc (Incremental_inputs::report_input_section): Fix
1138         comment, indentation.
1139         (Incremental_inputs::report_comdat_group): New function.
1140         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1141         of data for incremental input file entry.
1142         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1143         group count, COMDAT group signatures.
1144         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1145         an unchanged input file.
1146         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1147         Initialize new data member.
1148         (Incremental_object_entry::add_comdat_group): New function.
1149         (Incremental_object_entry::get_comdat_group_count): New function.
1150         (Incremental_object_entry::get_comdat_signature_key): New function.
1151         (Incremental_object_entry::groups_): New data member.
1152         (Incremental_inputs::report_comdat_group): New function.
1153         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1154         data for incremental input file entry.
1155         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1156         (Incremental_input_entry_reader::get_input_section): Adjust size of
1157         data for incremental input file entry.
1158         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1159         (Incremental_input_entry_reader::get_comdat_group_signature): New
1160         function.
1161         * object.cc (Sized_relobj::include_section_group): Report kept
1162         COMDAT groups for incremental links.
1163
1164 2011-05-24  David Meyer  <pdox@google.com>
1165
1166         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1167         with name parameter.  Add found_name parameter.
1168         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1169         * dirsearch.h (class Dirsearch): Update declaration.
1170
1171 2011-05-24  Ian Lance Taylor  <iant@google.com>
1172
1173         * archive.cc (Library_base::should_include_member): Pull in object
1174         from archive if it defines the entry symbol.
1175         * parameters.cc (Parameters::entry): New function.
1176         * parameters.h (class Parameters): Declare entry.
1177         * output.h (class Output_file_header): Remove entry_ field.
1178         * output.cc (Output_file_header::Output_file_header): Remove entry
1179         parameter.  Change all callers.
1180         (Output_file_header::entry): Use parameters->entry.
1181         * gold.cc (queue_middle_tasks): Likewise.
1182         * plugin.cc (Plugin_hook::run): Likewise.
1183
1184 2011-05-24 Cary Coutant  <ccoutant@google.com>
1185
1186         * gold.cc (queue_initial_tasks): Pass incremental base filename
1187         to Output_file::open_base_file; don't print error message.
1188         * incremental-dump.cc (main): Adjust call to
1189         Output_file::open_for_modification.
1190         * incremental-dump.cc (main): Likewise.
1191         * incremental.cc (Incremental_inputs::report_command_line):
1192         Ignore --incremental-base option when comparing command lines.
1193         Ignore parameter when given as separate argument.
1194         * options.h (class General_options): Add --incremental-base.
1195         * output.cc (Output_file::Output_file):
1196         (Output_file::open_base_file): Add base_name and writable parameters;
1197         read base file into new file; print error message here.
1198         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1199         callers.
1200         * output.h (Output_file::open_for_modification): Rename to...
1201         (Output_file::open_base_file): ...this; add base_name and
1202         writable parameters; adjust all callers.
1203         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1204         callers.
1205         * testsuite/Makefile.am (incremental_test_4): Test
1206         --incremental-base.
1207         * testsuite/Makefile.in: Regenerate.
1208
1209 2011-05-24 Cary Coutant  <ccoutant@google.com>
1210
1211         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1212         incremental_test_4.
1213         * testsuite/Makefile.in: Regenerate.
1214         * testsuite/two_file_test_1_v1.cc: New test source file.
1215         * testsuite/two_file_test_1b_v1.cc: New test source file.
1216         * testsuite/two_file_test_2_v1.cc: New test source file.
1217
1218 2011-05-24 Cary Coutant  <ccoutant@google.com>
1219
1220         * dynobj.h (Dynobj::do_dynobj): New function.
1221         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1222         flag and soname for shared objects.
1223         * incremental.cc (Incremental_inputs::report_object): Make
1224         either Incremental_object_entry or Incremental_dynobj_entry; add
1225         soname to string table.
1226         (Incremental_inputs::report_input_section): Add assertion.
1227         (Output_section_incremental_inputs::set_final_data_size): Adjust
1228         type of input file entry for shared libraries; adjust size of
1229         shared library info entry.
1230         (Output_section_incremental_inputs::write_input_files): Write
1231         as_needed flag for shared libraries.
1232         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1233         of input file entry for shared libraries; write soname.
1234         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1235         soname from incremental info.
1236         * incremental.h (enum Incremental_input_flags): Add
1237         INCREMENTAL_INPUT_AS_NEEDED.
1238         (Incremental_input_entry::Incremental_input_entry): Initialize new
1239         data member.
1240         (Incremental_input_entry::set_as_needed): New function.
1241         (Incremental_input_entry::as_needed): New function.
1242         (Incremental_input_entry::do_dynobj_entry): New function.
1243         (Incremental_input_entry::as_needed_): New data member.
1244         (Incremental_object_entry::Incremental_object_entry): Don't check
1245         for shared library.
1246         (Incremental_object_entry::do_type): Likewise.
1247         (class Incremental_dynobj_entry): New class.
1248         (Incremental_input_entry_reader::as_needed): New function.
1249         (Incremental_input_entry_reader::get_soname): New function.
1250         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1251         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1252         size of shared library info entry.
1253         * layout.cc (Layout::finish_dynamic_section): Don't test for
1254         incremental link when adding DT_NEEDED entries.
1255         * object.h (Object::Object): Initialize new data member.
1256         (Object::dynobj): New function.
1257         (Object::set_as_needed): New function.
1258         (Object::as_needed): New function.
1259         (Object::do_dynobj): New function.
1260         (Object::as_needed_): New data member.
1261
1262 2011-05-24 Cary Coutant  <ccoutant@google.com>
1263
1264         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1265         info; adjust display of GOT entries.
1266         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1267         vector of input objects; remove file_status_.
1268         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1269         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1270         got_plt reader; call target hooks to reserve GOT entries.
1271         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1272         of input file info header and GOT info entry.
1273         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1274         relocation info.
1275         (Got_plt_view_info::got_descriptor): Remove.
1276         (Got_plt_view_info::sym_index): New data member.
1277         (Got_plt_view_info::input_index): New data member.
1278         (Local_got_offset_visitor::visit): Write input file index.
1279         (Global_got_offset_visitor::visit): Write 0 for input file index.
1280         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1281         with sym_index and input_index.
1282         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1283         incremental info GOT entry; replace got_descriptor with input_index.
1284         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1285         map from input file index to object.
1286         (Sized_relobj_incr::do_layout): Replace direct data member reference
1287         with accessor function.
1288         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1289         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1290         Adjust size of input file info header.
1291         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1292         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1293         (Incremental_input_entry_reader::get_input_section): Adjust size of
1294         input file info header.
1295         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1296         of incremental info GOT entry.
1297         (Incremental_got_plt_reader::get_got_desc): Remove.
1298         (Incremental_got_plt_reader::get_got_symndx): New function.
1299         (Incremental_got_plt_reader::get_got_input_index): New function.
1300         (Sized_incremental_binary::Sized_incremental_binary): Remove
1301         file_status_; add input_objects_.
1302         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1303         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1304         (Sized_incremental_binary::file_is_unchanged): Remove.
1305         (Sized_incremental_binary::set_input_object): New function.
1306         (Sized_incremental_binary::input_object): New function.
1307         (Sized_incremental_binary::file_status_): Remove.
1308         (Sized_incremental_binary::input_objects_): New data member.
1309         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1310         references.
1311         (Sized_relobj_incr::invalid_address): Move to base class.
1312         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1313         class.
1314         (Sized_relobj_incr::do_output_section_offset): Likewise.
1315         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1316         (Sized_relobj_incr::section_offsets_): Likewise.
1317         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1318         function.
1319         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1320         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1321         with accessor function.
1322         (Sized_relobj_file::do_layout): Likewise.
1323         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1324         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1325         (Sized_relobj_file::compute_final_local_value): Replace refs to
1326         section_offsets_ with accessor function.
1327         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1328         * object.h (Relobj::Relobj): Initialize new data members.
1329         (Relobj::add_dyn_reloc): New function.
1330         (Relobj::first_dyn_reloc): New function.
1331         (Relobj::dyn_reloc_count): New function.
1332         (Relobj::first_dyn_reloc_): New data member.
1333         (Relobj::dyn_reloc_count_): New data member.
1334         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1335         references.
1336         (Sized_relobj::Address): New typedef.
1337         (Sized_relobj::invalid_address): Move here from child class.
1338         (Sized_relobj::Sized_relobj): Initialize new data members.
1339         (Sized_relobj::sized_relobj): New function.
1340         (Sized_relobj::is_output_section_offset_invalid): Move here from
1341         child class.
1342         (Sized_relobj::get_output_section_offset): Likewise.
1343         (Sized_relobj::local_has_got_offset): Likewise.
1344         (Sized_relobj::local_got_offset): Likewise.
1345         (Sized_relobj::set_local_got_offset): Likewise.
1346         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1347         (Sized_relobj::clear_got_offsets): New function.
1348         (Sized_relobj::section_offsets): Move here from child class.
1349         (Sized_relobj::do_output_section_offset): Likewise.
1350         (Sized_relobj::do_set_section_offset): Likewise.
1351         (Sized_relobj::Local_got_offsets): Likewise.
1352         (Sized_relobj::local_got_offsets_): Likewise.
1353         (Sized_relobj::section_offsets_): Likewise.
1354         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1355         references.
1356         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1357         class.
1358         (Sized_relobj_file::sized_relobj): New function
1359         (Sized_relobj_file::local_has_got_offset): Move to base class.
1360         (Sized_relobj_file::local_got_offset): Likewise.
1361         (Sized_relobj_file::set_local_got_offset): Likewise.
1362         (Sized_relobj_file::get_output_section_offset): Likewise.
1363         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1364         (Sized_relobj_file::do_output_section_offset): Likewise.
1365         (Sized_relobj_file::do_set_section_offset): Likewise.
1366         (Sized_relobj_file::Local_got_offsets): Likewise.
1367         (Sized_relobj_file::local_got_offsets_): Likewise.
1368         (Sized_relobj_file::section_offsets_): Likewise.
1369         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1370         (all constructors).
1371         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1372         (Output_reloc::get_symbol_index): Likewise.
1373         (Output_reloc::local_section_offset): Likewise.
1374         (Output_reloc::get_address): Likewise.
1375         (Output_reloc::symbol_value): Likewise.
1376         (Output_data_got::reserve_slot): Move to class definition.
1377         (Output_data_got::reserve_local): New function.
1378         (Output_data_got::reserve_slot_for_global): Remove.
1379         (Output_data_got::reserve_global): New function.
1380         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1381         (all constructors, two instantiations).
1382         (Output_reloc::get_relobj): New function (two instantiations).
1383         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1384         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1385         (Output_data_reloc::add_global): Adjust type of relobj.
1386         (Output_data_reloc::add_global_relative): Likewise.
1387         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1388         (Output_data_reloc::add_local): Likewise.
1389         (Output_data_reloc::add_local_relative): Likewise.
1390         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1391         (Output_data_reloc::add_local_section): Likewise.
1392         (Output_data_reloc::add_output_section): Likewise.
1393         (Output_data_reloc::add_absolute): Likewise.
1394         (Output_data_reloc::add_target_specific): Likewise.
1395         (Output_data_got::reserve_slot): Move definition here.
1396         (Output_data_got::reserve_local): New function.
1397         (Output_data_got::reserve_global): New function.
1398         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1399         section_offsets_ with accessor function.
1400         (Sized_relobj_file::write_sections): Likewise.
1401         (Sized_relobj_file::do_relocate_sections): Likewise.
1402         * target.h (Sized_target::reserve_local_got_entry): New function.
1403         (Sized_target::reserve_global_got_entry): New function.
1404         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1405         (Target_x86_64::reserve_global_got_entry): New function.
1406         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1407
1408 2011-05-23 Cary Coutant  <ccoutant@google.com>
1409
1410         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1411         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1412         bit when checking got_type.
1413         * incremental.cc (Sized_incremental_binary::setup_readers):
1414         Store symbol table and string table locations; initialize bit vector
1415         of file status flags.
1416         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1417         unchanged files.
1418         (Sized_incremental_binary::do_process_got_plt): New function.
1419         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1420         (Output_section_incremental_inputs::set_final_data_size): Record
1421         file index for each input file.
1422         (Output_section_incremental_inputs::write_got_plt): Store file index
1423         instead of input entry offset for each GOT entry.
1424         * incremental.h
1425         (Incremental_input_entry::Incremental_input_entry): Initialize new
1426         data member.
1427         (Incremental_input_entry::set_offset): Store file index.
1428         (Incremental_input_entry::get_file_index): New function.
1429         (Incremental_input_entry::file_index_): New data member.
1430         (Incremental_binary::process_got_plt): New function.
1431         (Incremental_binary::do_process_got_plt): New function.
1432         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1433         data members.
1434         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1435         (Sized_incremental_binary::set_file_is_unchanged): New function.
1436         (Sized_incremental_binary::file_is_unchanged): New function.
1437         (Sized_incremental_binary::do_process_got_plt): New function.
1438         (Sized_incremental_binary::file_status_): New data member.
1439         (Sized_incremental_binary::main_symtab_loc_): New data member.
1440         (Sized_incremental_binary::main_strtab_loc_): New data member.
1441         * output.cc (Output_data_got::Got_entry::write): Add case
1442         RESERVED_CODE.
1443         (Output_data_got::add_global): Call add_got_entry.
1444         (Output_data_got::add_global_plt): Likewise.
1445         (Output_data_got::add_global_with_rel): Likewise.
1446         (Output_data_got::add_global_with_rela): Likewise.
1447         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1448         (Output_data_got::add_global_pair_with_rela): Likewise.
1449         (Output_data_got::add_local): Call add_got_entry.
1450         (Output_data_got::add_local_plt): Likewise.
1451         (Output_data_got::add_local_with_rel): Likewise.
1452         (Output_data_got::add_local_with_rela): Likewise.
1453         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1454         (Output_data_got::add_local_pair_with_rela): Likewise.
1455         (Output_data_got::reserve_slot): New function.
1456         (Output_data_got::reserve_slot_for_global): New function.
1457         (Output_data_got::add_got_entry): New function.
1458         (Output_data_got::add_got_entry_pair): New function.
1459         (Output_section::add_output_section_data): Edit FIXME.
1460         * output.h
1461         (Output_section_data_build::Output_section_data_build): New
1462         constructor with size parameter.
1463         (Output_data_space::Output_data_space): Likewise.
1464         (Output_data_got::Output_data_got): Initialize new data member; new
1465         constructor with size parameter.
1466         (Output_data_got::add_constant): Call add_got_entry.
1467         (Output_data_got::reserve_slot): New function.
1468         (Output_data_got::reserve_slot_for_global): New function.
1469         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1470         (Output_data_got::add_got_entry): New function.
1471         (Output_data_got::add_got_entry_pair): New function.
1472         (Output_data_got::free_list_): New data member.
1473         * target.h (Sized_target::init_got_plt_for_update): New function.
1474         (Sized_target::register_global_plt_entry): New function.
1475         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1476         Initialize new data member; call init; add constructor with PLT count.
1477         (Output_data_plt_x86_64::init): New function.
1478         (Output_data_plt_x86_64::add_relocation): New function.
1479         (Output_data_plt_x86_64::reserve_slot): New function.
1480         (Output_data_plt_x86_64::free_list_): New data member.
1481         (Target_x86_64::init_got_plt_for_update): New function.
1482         (Target_x86_64::register_global_plt_entry): New function.
1483         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1484         incremental updates.
1485         (Output_data_plt_x86_64::add_relocation): New function.
1486         * testsuite/object_unittest.cc (Object_test): Set default options.
1487
1488 2011-05-16  Ian Lance Taylor  <iant@google.com>
1489
1490         * options.h (class General_options): Make -i a synonym for -r.
1491
1492 2011-05-16  Ian Lance Taylor  <iant@google.com>
1493
1494         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1495
1496 2011-05-10 Cary Coutant  <ccoutant@google.com>
1497
1498         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1499         strip_all (-s).
1500
1501 2011-05-06  Ian Lance Taylor  <iant@google.com>
1502
1503         * layout.cc (Layout::layout): If the output section flags change,
1504         update the ordering.
1505
1506 2011-04-25 Cary Coutant  <ccoutant@google.com>
1507
1508         * incremental-dump.cc (dump_incremental_inputs): Print local
1509         symbol info for each input file.
1510         * incremental.cc
1511         (Output_section_incremental_inputs::set_final_data_size): Add local
1512         symbol info to input file entries in incremental info.
1513         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1514         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1515         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1516         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1517         implementation.
1518         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1519         (Sized_incr_relobj::do_relocate): Write the local symbols.
1520         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1521         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1522         Adjust size of input file header.
1523         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1524         (Incremental_inputs_reader::get_local_symbol_count): New function.
1525         (Incremental_inputs_reader::get_input_section): Adjust size of input
1526         file header.
1527         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1528         (Sized_incr_relobj::This): New typedef.
1529         (Sized_incr_relobj::sym_size): New const data member.
1530         (Sized_incr_relobj::Local_symbol): New struct.
1531         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1532         (Sized_incr_relobj::do_local_symbol_offset): New function.
1533         (Sized_incr_relobj::local_symbol_count_): New data member.
1534         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1535         (Sized_incr_relobj::local_symbol_index_): New data member.
1536         (Sized_incr_relobj::local_symbol_offset_): New data member.
1537         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1538         (Sized_incr_relobj::local_symbols_): New data member.
1539         * object.h (Relobj::output_local_symbol_count): New function.
1540         (Relobj::local_symbol_offset): New function.
1541         (Relobj::do_output_local_symbol_count): New function.
1542         (Relobj::do_local_symbol_offset): New function.
1543         (Sized_relobj::do_output_local_symbol_count): New function.
1544         (Sized_relobj::do_local_symbol_offset): New function.
1545
1546 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1547
1548         * descriptors.cc (set_close_on_exec): New function.
1549         (Descriptors::open): Use set_close_on_exec.
1550         * output.cc (S_ISLNK): Define if not defined.
1551
1552 2011-04-22 Cary Coutant  <ccoutant@google.com>
1553
1554         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1555         global symbol map.
1556         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1557         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1558         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1559         relocations.
1560         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1561         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1562         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1563         * incremental.h
1564         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1565         function.
1566         (Incremental_binary::apply_incremental_relocs): New function.
1567         (Incremental_binary::do_apply_incremental_relocs): New function.
1568         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1569         data member.
1570         (Sized_incremental_binary::add_global_symbol): New function.
1571         (Sized_incremental_binary::global_symbol): New function.
1572         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1573         (Sized_incremental_binary::symbol_map_): New data member.
1574         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1575         * target.h (Sized_target::apply_relocation): New function.
1576         * target-reloc.h (apply_relocation): New function.
1577         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1578
1579 2011-04-22  Doug Kwan  <dougkwan@google.com>
1580
1581         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1582         flag of a SHT_ARM_EXIDX section.
1583         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1584         * testsuite/Makefile.in: Regenerate.
1585         * testsuite/arm_exidx_test.s: New file.
1586         * testsuite/arm_exidx_test.sh: Same.
1587
1588 2011-04-20 Cary Coutant  <ccoutant@google.com>
1589
1590         PR gold/12689
1591         * archive.h (Incremental_archive_entry::Archive_member):
1592         Initialize arg_serial_ (second constructor).
1593
1594 2011-04-17  Ian Lance Taylor  <iant@google.com>
1595
1596         * object.cc (Relocate_info::location): Simplify location string.
1597         * errors.cc (Errors::error_at_location): Don't print program
1598         name.
1599         (Errors::warning_at_location): Likewise.
1600         (Errors::undefined_symbol): Likewise.
1601         * testsuite/debug_msg.sh: Update accordingly.
1602
1603 2011-04-14 Cary Coutant  <ccoutant@google.com>
1604
1605         * gold/layout.cc (Layout::symtab_section_offset): New function.
1606         * gold/layout.h (Layout::symtab_section_offset): New function.
1607         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1608
1609 2011-04-12  Ian Lance Taylor  <iant@google.com>
1610
1611         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1612         with MREMAP_MAYMOVE.
1613         * output.h (class Output_file): Add map_is_allocated_ field.
1614         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1615         not available, provide stubs.  If mremap is not available, #define
1616         it to gold_mremap.
1617         (MREMAP_MAYMOVE): Define if not defined.
1618         (Output_file::Output_file): Initialize map_is_allocated_.
1619         (Output_file::resize): Check map_is_allocated_.
1620         (Output_file::map_anonymous): If mmap fails, use malloc.
1621         (Output_file::unmap): Don't do anything for an anonymous map.
1622         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1623         is not available, provide stubs.
1624         (File_read::View::~View): Use free rather than delete[].
1625         (File_read::make_view): Use malloc rather than new[].  If mmap
1626         fails, use malloc.
1627         (File_read::find_or_make_view): Use malloc rather than new[].
1628         * gold.h: Remove HAVE_REMAP code.
1629         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1630         exists.  Rename mremap to gold_mremap.  If mmap is not available
1631         don't do anything.
1632         * configure, config.in: Rebuild.
1633
1634 2011-04-11  Ian Lance Taylor  <iant@google.com>
1635
1636         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1637         initialize local variable v.
1638
1639 2011-04-11  Cary Coutant  <ccoutant@google.com>
1640
1641         * archive.cc (Archive::include_member): Adjust call to
1642         report_object.
1643         (Add_archive_symbols::run): Track argument serial numbers.
1644         (Lib_group::include_member): Likewise.
1645         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1646         * archive.h (Incremental_archive_entry::Archive_member):
1647         Initialize arg_serial_.
1648         (Archive_member::arg_serial_): New data member.
1649         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1650         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1651         incremental link.
1652         (Sized_dynobj::do_for_all_local_got_entries): New function.
1653         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1654         function.
1655         * fileread.cc (get_mtime): New function.
1656         * fileread.h (get_mtime): New function.
1657         * gold.cc (queue_initial_tasks): Check for incremental update.
1658         (process_incremental_input): New function.
1659         (queue_middle_tasks): Don't force valid target for incremental
1660         update.
1661         * incremental-dump.cc (find_input_containing_global): Adjust
1662         size of symbol info entry.
1663         (dump_incremental_inputs): Dump argument serial number and
1664         in_system_directory flag; bias shndx by 1; print symbol names
1665         when dumping per-file symbol lists; use new symbol info readers.
1666         * incremental.cc
1667         (Output_section_incremental_inputs:update_data_size): New function.
1668         (Sized_incremental_binary::setup_readers): Setup input readers
1669         for each input file; build maps for files added from libraries
1670         and scripts.
1671         (Sized_incremental_binary::check_input_args): New function.
1672         (Sized_incremental_binary::do_check_inputs): Build map of argument
1673         serial numbers to input arguments.
1674         (Sized_incremental_binary::do_file_has_changed): Rename
1675         do_file_is_unchanged to this; compare file modification times.
1676         (Sized_incremental_binary::do_init_layout): New function.
1677         (Sized_incremental_binary::do_reserve_layout): New function.
1678         (Sized_incremental_binary::do_get_input_reader): Remove.
1679         (Sized_incremental_binary::get_symtab_view): New function.
1680         (Incremental_checker::can_incrementally_link_output_file): Remove.
1681         (Incremental_inputs::report_command_line): Exclude --debug options.
1682         (Incremental_inputs::report_archive_begin): Add parameter; track
1683         argument serial numbers; don't put input file entry for archive
1684         before archive members.
1685         (Incremental_inputs::report_archive_end): Put input file entry
1686         for archive after archive members.
1687         (Incremental_inputs::report_object): Add parameter; track argument
1688         serial numbers and in_system_directory flag.
1689         (Incremental_inputs::report_script): Add parameter; track argument
1690         serial numbers.
1691         (Output_section_incremental_inputs::set_final_data_size): Adjust
1692         size of symbol info entry; check for forwarding symbols.
1693         (Output_section_incremental_inputs::write_input_files): Write
1694         in_system_directory flag and argument serial number.
1695         (Output_section_incremental_inputs::write_info_blocks): Map section
1696         indices between incremental info and original input file; store
1697         input section index for each symbol.
1698         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1699         change operator() to visit().
1700         (class Global_got_offset_visitor): Likewise.
1701         (class Global_symbol_visitor_got_plt):
1702         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1703         classes.
1704         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1705         (Sized_incr_relobj::do_read_symbols): New function.
1706         (Sized_incr_relobj::do_layout): New function.
1707         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1708         (Sized_incr_relobj::do_add_symbols): New function.
1709         (Sized_incr_relobj::do_should_include_member): New function.
1710         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1711         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1712         (Sized_incr_relobj::do_section_size): New function.
1713         (Sized_incr_relobj::do_section_name): New function.
1714         (Sized_incr_relobj::do_section_contents): New function.
1715         (Sized_incr_relobj::do_section_flags): New function.
1716         (Sized_incr_relobj::do_section_entsize): New function.
1717         (Sized_incr_relobj::do_section_address): New function.
1718         (Sized_incr_relobj::do_section_type): New function.
1719         (Sized_incr_relobj::do_section_link): New function.
1720         (Sized_incr_relobj::do_section_info): New function.
1721         (Sized_incr_relobj::do_section_addralign): New function.
1722         (Sized_incr_relobj::do_initialize_xindex): New function.
1723         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1724         (Sized_incr_relobj::do_read_relocs): New function.
1725         (Sized_incr_relobj::do_gc_process_relocs): New function.
1726         (Sized_incr_relobj::do_scan_relocs): New function.
1727         (Sized_incr_relobj::do_count_local_symbols): New function.
1728         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1729         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1730         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1731         (Sized_incr_relobj::do_relocate): New function.
1732         (Sized_incr_relobj::do_set_section_offset): New function.
1733         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1734         (Sized_incr_dynobj::do_read_symbols): New function.
1735         (Sized_incr_dynobj::do_layout): New function.
1736         (Sized_incr_dynobj::do_add_symbols): New function.
1737         (Sized_incr_dynobj::do_should_include_member): New function.
1738         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1739         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1740         (Sized_incr_dynobj::do_section_size): New function.
1741         (Sized_incr_dynobj::do_section_name): New function.
1742         (Sized_incr_dynobj::do_section_contents): New function.
1743         (Sized_incr_dynobj::do_section_flags): New function.
1744         (Sized_incr_dynobj::do_section_entsize): New function.
1745         (Sized_incr_dynobj::do_section_address): New function.
1746         (Sized_incr_dynobj::do_section_type): New function.
1747         (Sized_incr_dynobj::do_section_link): New function.
1748         (Sized_incr_dynobj::do_section_info): New function.
1749         (Sized_incr_dynobj::do_section_addralign): New function.
1750         (Sized_incr_dynobj::do_initialize_xindex): New function.
1751         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1752         (make_sized_incremental_object): New function.
1753         (Incremental_library::copy_unused_symbols): New function.
1754         (Incremental_library::do_for_all_unused_symbols): New function.
1755         * incremental.h (enum Incremental_input_flags): New type.
1756         (class Incremental_checker): Remove.
1757         (Incremental_input_entry::Incremental_input_entry): Add argument
1758         serial number.
1759         (Incremental_input_entry::arg_serial): New function.
1760         (Incremental_input_entry::set_is_in_system_directory): New function.
1761         (Incremental_input_entry::is_in_system_directory): New function.
1762         (Incremental_input_entry::arg_serial_): New data member.
1763         (Incremental_input_entry::is_in_system_directory_): New data member.
1764         (class Script_info): Move here from script.h.
1765         (Script_info::Script_info): Add filename parameter.
1766         (Script_info::filename): New function.
1767         (Script_info::filename_): New data member.
1768         (Incremental_script_entry::Incremental_script_entry): Add argument
1769         serial number.
1770         (Incremental_object_entry::Incremental_object_entry): Likewise.
1771         (Incremental_object_entry::add_input_section): Build list of input
1772         sections with map to original shndx.
1773         (Incremental_object_entry::get_input_section_index): New function.
1774         (Incremental_object_entry::shndx_): New data member.
1775         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1776         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1777         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1778         serial number.
1779         (Incremental_inputs::report_archive_begin): Likewise.
1780         (Incremental_inputs::report_object): Likewise.
1781         (Incremental_inputs::report_script): Likewise.
1782         (class Incremental_global_symbol_reader): New class.
1783         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1784         and store flags and input file type.
1785         (Incremental_input_entry_reader::arg_serial): New function.
1786         (Incremental_input_entry_reader::type): Extract type from flags.
1787         (Incremental_input_entry_reader::is_in_system_directory): New function.
1788         (Incremental_input_entry_reader::get_input_section_count): Call
1789         accessor function for type.
1790         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1791         function for type; adjust size of global symbol entry.
1792         (Incremental_input_entry_reader::get_global_symbol_count): Call
1793         accessor function for type.
1794         (Incremental_input_entry_reader::get_object_count): Likewise.
1795         (Incremental_input_entry_reader::get_object_offset): Likewise.
1796         (Incremental_input_entry_reader::get_member_count): Likewise.
1797         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1798         (Incremental_input_entry_reader::get_member_offset): Likewise.
1799         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1800         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1801         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1802         (Incremental_input_entry_reader::get_global_symbol_reader): New
1803         function.
1804         (Incremental_input_entry_reader::get_output_symbol_index): New
1805         function.
1806         (Incremental_input_entry_reader::type_): Remove.
1807         (Incremental_input_entry_reader::flags_): New data member.
1808         (Incremental_inputs_reader::input_file_offset): New function.
1809         (Incremental_inputs_reader::input_file_index): New function.
1810         (Incremental_inputs_reader::input_file): Call input_file_offset.
1811         (Incremental_inputs_reader::input_file_at_offset): New function.
1812         (Incremental_relocs_reader::get_r_type): Reformat.
1813         (Incremental_relocs_reader::get_r_shndx): Reformat.
1814         (Incremental_relocs_reader::get_r_offset): Reformat.
1815         (Incremental_relocs_reader::data): New function.
1816         (Incremental_binary::Incremental_binary): Initialize new data members.
1817         (Incremental_binary::check_inputs): Add cmdline parameter.
1818         (Incremental_binary::file_is_unchanged): Remove.
1819         (Input_reader::arg_serial): New function.
1820         (Input_reader::get_unused_symbol_count): New function.
1821         (Input_reader::get_unused_symbol): New function.
1822         (Input_reader::do_arg_serial): New function.
1823         (Input_reader::do_get_unused_symbol_count): New function.
1824         (Input_reader::do_get_unused_symbol): New function.
1825         (Incremental_binary::input_file_count): New function.
1826         (Incremental_binary::get_input_reader): Change signature to use
1827         index instead of filename.
1828         (Incremental_binary::file_has_changed): New function.
1829         (Incremental_binary::get_input_argument): New function.
1830         (Incremental_binary::get_library): New function.
1831         (Incremental_binary::get_script_info): New function.
1832         (Incremental_binary::init_layout): New function.
1833         (Incremental_binary::reserve_layout): New function.
1834         (Incremental_binary::output_file): New function.
1835         (Incremental_binary::do_check_inputs): New function.
1836         (Incremental_binary::do_file_is_unchanged): Remove.
1837         (Incremental_binary::do_file_has_changed): New function.
1838         (Incremental_binary::do_init_layout): New function.
1839         (Incremental_binary::do_reserve_layout): New function.
1840         (Incremental_binary::do_input_file_count): New function.
1841         (Incremental_binary::do_get_input_reader): Change signature.
1842         (Incremental_binary::input_args_map_): New data member.
1843         (Incremental_binary::library_map_): New data member.
1844         (Incremental_binary::script_map_): New data member.
1845         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1846         new data members.
1847         (Sized_incremental_binary::output_section): New function.
1848         (Sized_incremental_binary::inputs_reader): Add const.
1849         (Sized_incremental_binary::symtab_reader): Add const.
1850         (Sized_incremental_binary::relocs_reader): Add const.
1851         (Sized_incremental_binary::got_plt_reader): Add const.
1852         (Sized_incremental_binary::get_symtab_view): New function.
1853         (Sized_incremental_binary::Inputs_reader): New typedef.
1854         (Sized_incremental_binary::Input_entry_reader): New typedef.
1855         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1856         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1857         (Sized_incremental_binary::do_file_has_changed): New function.
1858         (Sized_incremental_binary::do_init_layout): New function.
1859         (Sized_incremental_binary::do_reserve_layout): New function.
1860         (Sized_input_reader::Inputs_reader): Remove.
1861         (Sized_input_reader::Input_entry_reader): Remove.
1862         (Sized_input_reader::do_arg_serial): New function.
1863         (Sized_input_reader::do_get_unused_symbol_count): New function.
1864         (Sized_input_reader::do_get_unused_symbol): New function.
1865         (Sized_incremental_binary::do_input_file_count): New function.
1866         (Sized_incremental_binary::do_get_input_reader): Change signature;
1867         use index instead of filename.
1868         (Sized_incremental_binary::section_map_): New data member.
1869         (Sized_incremental_binary::input_entry_readers_): New data member.
1870         (class Sized_incr_relobj): New class.
1871         (class Sized_incr_dynobj): New class.
1872         (make_sized_incremental_object): New function.
1873         (class Incremental_library): New class.
1874         * layout.cc (Free_list::num_lists): New static data member.
1875         (Free_list::num_nodes): New static data member.
1876         (Free_list::num_removes): New static data member.
1877         (Free_list::num_remove_visits): New static data member.
1878         (Free_list::num_allocates): New static data member.
1879         (Free_list::num_allocate_visits): New static data member.
1880         (Free_list::init): New function.
1881         (Free_list::remove): New function.
1882         (Free_list::allocate): New function.
1883         (Free_list::dump): New function.
1884         (Free_list::print_stats): New function.
1885         (Layout_task_runner::run): Resize output file for incremental updates.
1886         (Layout::Layout): Initialize new data members.
1887         (Layout::set_incremental_base): New function.
1888         (Layout::init_fixed_output_section): New function.
1889         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1890         incremental updates.
1891         (Layout::create_gold_note): Do not create gold note section for
1892         incremental updates.
1893         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1894         for incremental updates.
1895         (Layout::set_section_offsets): For incremental updates, allocate space
1896         from free list.
1897         (Layout::create_symtab_sections): Layout with offsets relative to
1898         start of section; for incremental updates, allocate space from free
1899         list.
1900         (Layout::create_shdrs): For incremental updates, allocate space from
1901         free list.
1902         (Layout::finish_dynamic_section): For incremental updates, do not
1903         check --as-needed (fixed in subsequent patch).
1904         * layout.h (class Free_list): New class.
1905         (Layout::set_incremental_base): New function.
1906         (Layout::incremental_base): New function.
1907         (Layout::init_fixed_output_section): New function.
1908         (Layout::allocate): New function.
1909         (Layout::incremental_base_): New data member.
1910         (Layout::free_list_): New data member.
1911         * main.cc (main): Print Free_list statistics.
1912         * object.cc (Relobj::finalize_incremental_relocs): Add
1913         clear_counts parameter; clear counts only when clear_counts is set.
1914         (Sized_relobj::Sized_relobj): Initialize new base class.
1915         (Sized_relobj::do_layout): Don't report special sections.
1916         (Sized_relobj::do_for_all_local_got_entries): New function.
1917         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1918         symtab_off to all symbol table offsets.
1919         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1920         * object.h (class Got_offset_list): Move to top of file.
1921         (Object::Object): Allow case where input_file == NULL.
1922         (Object::~Object): Likewise.
1923         (Object::input_file): Assert that input_file != NULL.
1924         (Object::lock): Allow case where input_file == NULL.
1925         (Object::unlock): Likewise.
1926         (Object::is_locked): Likewise.
1927         (Object::token): Likewise.
1928         (Object::release): Likewise.
1929         (Object::is_incremental): New function.
1930         (Object::get_mtime): New function.
1931         (Object::for_all_local_got_entries): New function.
1932         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1933         (Object::set_is_in_system_directory): New function.
1934         (Object::is_in_system_directory): New function.
1935         (Object::do_is_incremental): New function.
1936         (Object::do_get_mtime): New function.
1937         (Object::do_for_all_local_got_entries): New function.
1938         (Object::is_in_system_directory_): New data member.
1939         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1940         (class Sized_relobj_base): New class.
1941         (class Sized_relobj): Derive from Sized_relobj_base.
1942         (class Sized_relobj::Symbols): Redeclare from base class.
1943         (class Sized_relobj::local_got_offset_list): Remove.
1944         (class Sized_relobj::Output_sections): Redeclare from base class.
1945         (class Sized_relobj::do_for_all_local_got_entries): New function.
1946         (class Sized_relobj::write_local_symbols): Add offset parameter.
1947         (class Sized_relobj::local_symbol_offset_): Update comment.
1948         (class Sized_relobj::local_dynsym_offset_): Update comment.
1949         * options.cc (Input_arguments::add_file): Remove const.
1950         * options.h (Input_file_argument::Input_file_argument):
1951         Initialize arg_serial_ (all constructors).
1952         (Input_file_argument::set_arg_serial): New function.
1953         (Input_file_argument::arg_serial): New function.
1954         (Input_file_argument::arg_serial_): New data member.
1955         (Input_arguments::Input_arguments): Initialize file_count_.
1956         (Input_arguments::add_file): Remove const.
1957         (Input_arguments::number_of_input_files): New function.
1958         (Input_arguments::file_count_): New data member.
1959         (Command_line::number_of_input_files): Call
1960         Input_arguments::number_of_input_files.
1961         * output.cc (Output_segment_headers::Output_segment_headers):
1962         Set current size.
1963         (Output_section::Input_section::current_data_size): New function.
1964         (Output_section::Output_section): Initialize new data members.
1965         (Output_section::add_input_section): Don't do merge sections for
1966         an incremental link; allocate space from free list for an
1967         incremental update.
1968         (Output_section::add_output_section_data): Allocate space from
1969         free list for an incremental update.
1970         (Output_section::update_data_size): New function.
1971         (Output_section::set_fixed_layout): New function.
1972         (Output_section::reserve): New function.
1973         (Output_segment::set_section_addresses): Remove const.
1974         (Output_segment::set_section_list_addresses): Remove const; allocate
1975         space from free list for an incremental update.
1976         (Output_segment::set_offset): Adjust size of RELRO segment for an
1977         incremental update.
1978         * output.h (Output_data::current_data_size): Move here from
1979         child classes.
1980         (Output_data::pre_finalize_data_size): New function.
1981         (Output_data::update_data_size): New function.
1982         (Output_section_headers::update_data_size): new function.
1983         (Output_section_data_build::current_data_size): Move to Output_data.
1984         (Output_data_strtab::update_data_size): New function.
1985         (Output_section::current_data_size): Move to Output_data.
1986         (Output_section::set_fixed_layout): New function.
1987         (Output_section::has_fixed_layout): New function.
1988         (Output_section::reserve): New function.
1989         (Output_section::update_data_size): New function.
1990         (Output_section::has_fixed_layout_): New data member.
1991         (Output_section::free_list_): New data member.
1992         (Output_segment::set_section_addresses): Remove const.
1993         (Output_segment::set_section_list_addresses): Remove const.
1994         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1995         New function.
1996         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1997         New function.
1998         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1999         parameter when calling Add_symbols constructor; store argument
2000         serial number for members of a lib group.
2001         (Add_symbols::locks): Allow case where token == NULL.
2002         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2003         (Read_member::~Read_member): New function.
2004         (Read_member::is_runnable): New function.
2005         (Read_member::locks): New function.
2006         (Read_member::run): New function.
2007         (Check_script::~Check_script): New function.
2008         (Check_script::is_runnable): New function.
2009         (Check_script::locks): New function.
2010         (Check_script::run): New function.
2011         (Check_library::~Check_library): New function.
2012         (Check_library::is_runnable): New function.
2013         (Check_library::locks): New function.
2014         (Check_library::run): New function.
2015         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2016         (Add_symbols::library_): New data member.
2017         (class Read_member): New class.
2018         (class Check_script): New class.
2019         (class Check_library): New class.
2020         * reloc.cc (Read_relocs::is_runnable): Allow case where
2021         token == NULL.
2022         (Read_relocs::locks): Likewise.
2023         (Scan_relocs::locks): Likewise.
2024         (Relocate_task::locks): Likewise.
2025         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2026         to clear counters.
2027         (Sized_relobj::incremental_relocs_scan): Fix comment.
2028         (Sized_relobj::do_relocate): Pass output file offset to
2029         write_local_symbols.
2030         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2031         from class declaration.
2032         * script.cc (read_input_script): Allocate Script_info; pass
2033         argument serial number to report_script.
2034         * script.h (class Script_info): Move to incremental.h.
2035         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2036         * symtab.h (Symbol_table::add_from_incrobj): New function.
2037         (Symbol_table::set_file_offset): New function.
2038
2039 2011-04-05  Cary Coutant  <ccoutant@google.com>
2040
2041         * incremental-dump.cc (dump_incremental_inputs): Change signature
2042         to take a Sized_incremental_binary; change caller.  Use readers
2043         in Sized_incremental_binary.
2044         * incremental.cc
2045         (Sized_incremental_binary::find_incremental_inputs_sections):
2046         Rename do_find_incremental_inputs_sections to this.
2047         (Sized_incremental_binary::setup_readers): New function.
2048         (Sized_incremental_binary::do_check_inputs): Check
2049         has_incremental_info_ flag; move setup code to setup_readers;
2050         use input readers.
2051         (Sized_incremental_binary::do_file_is_unchanged): New function.
2052         (Sized_incremental_binary::do_get_input_reader): New function.
2053         * incremental.h (class Incremental_binary): Move to end of file.
2054         (Incremental_binary::file_is_unchanged): New function.
2055         (Incremental_binary::do_file_is_unchanged): New function.
2056         (Incremental_binary::Input_reader): New class.
2057         (Incremental_binary::get_input_reader): New function.
2058         (class Sized_incremental_binary): Move to end of file.
2059         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2060         input section reader classes.
2061         (Sized_incremental_binary::has_incremental_info): New function.
2062         (Sized_incremental_binary::inputs_reader): New function.
2063         (Sized_incremental_binary::symtab_reader): New function.
2064         (Sized_incremental_binary::relocs_reader): New function.
2065         (Sized_incremental_binary::got_plt_reader): New function.
2066         (Sized_incremental_binary::do_file_is_unchanged): New function.
2067         (Sized_incremental_binary::Sized_input_reader): New class.
2068         (Sized_incremental_binary::get_input_reader): New function.
2069         (Sized_incremental_binary::find_incremental_inputs_sections):
2070         Rename do_find_incremental_inputs_sections to this.
2071         (Sized_incremental_binary::setup_readers): New function.
2072         (Sized_incremental_binary::has_incremental_info_): New data member.
2073         (Sized_incremental_binary::inputs_reader_): New data member.
2074         (Sized_incremental_binary::symtab_reader_): New data member.
2075         (Sized_incremental_binary::relocs_reader_): New data member.
2076         (Sized_incremental_binary::got_plt_reader_): New data member.
2077         (Sized_incremental_binary::current_input_file_): New data member.
2078
2079 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2080
2081         PR gold/12640
2082         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2083         violation.
2084
2085 2011-03-30  Cary Coutant  <ccoutant@google.com>
2086
2087         * archive.cc (Archive::include_member): Adjust call to report_object.
2088         (Add_archive_symbols::run): Add script_info to call to
2089         report_archive_begin.
2090         (Lib_group::include_member): Adjust call to report_object.
2091         (Add_lib_group_symbols::run): Adjust call to report_object.
2092         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2093         blocks.  Add object count for script input files.
2094         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2095         script_info parameter; change all callers.
2096         (Incremental_inputs::report_object): Add script_info parameter;
2097         change all callers.
2098         (Incremental_inputs::report_script): Store backpointer to
2099         incremental info entry.
2100         (Output_section_incremental_inputs::set_final_data_size): Record
2101         additional information for scripts.
2102         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2103         * incremental.h (Incremental_script_entry::add_object): New function.
2104         (Incremental_script_entry::get_object_count): New function.
2105         (Incremental_script_entry::get_object): New function.
2106         (Incremental_script_entry::objects_): New data member; adjust
2107         constructor.
2108         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2109         (Incremental_inputs::report_object): Add script_info parameter.
2110         (Incremental_inputs_reader::get_object_count): New function.
2111         (Incremental_inputs_reader::get_object_offset): New function.
2112         * options.cc (Input_arguments::add_file): Return reference to
2113         new input argument.
2114         * options.h (Input_argument::set_script_info): New function.
2115         (Input_argument::script_info): New function.
2116         (Input_argument::script_info_): New data member; adjust all
2117         constructors.
2118         (Input_file_group::add_file): Return reference to new input argument.
2119         (Input_file_lib::add_file): Likewise.
2120         (Input_arguments::add_file): Likewise.
2121         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2122         * script.cc (Parser_closure::Parser_closure): Add script_info
2123         parameter; adjust all callers.
2124         (Parser_closure::script_info): New function.
2125         (Parser_closure::script_info_): New data member.
2126         (read_input_script): Report scripts earlier to incremental info.
2127         (script_add_file): Set script_info in Input_argument.
2128         (script_add_library): Likewise.
2129         * script.h (Script_options::Script_info): Rewrite class.
2130
2131 2011-03-29  Cary Coutant  <ccoutant@google.com>
2132
2133         * archive.cc (Library_base::should_include_member): Move
2134         method here from class Archive.
2135         (Archive::Archive): Initialize base class.
2136         (Archive::should_include_member): Move to base class.
2137         (Archive::do_for_all_unused_symbols): New function.
2138         (Add_archive_symbols::run): Remove redundant access to
2139         incremental_inputs.
2140         (Lib_group::Lib_group): Initialize base class.
2141         (Lib_group::do_filename): New function.
2142         (Lib_group::include_member): Pass pointer to Lib_group to
2143         report_object.
2144         (Lib_group::do_for_all_unused_symbols): New function.
2145         (Add_lib_group_symbols::run): Report archive information for
2146         incremental links.
2147         * archive.h (class Library_base): New base class.
2148         (class Archive): Derive from Library_base.
2149         (Archive::filename): Move to base class.
2150         (Archive::set_incremental_info): Likewise.
2151         (Archive::incremental_info): Likewise.
2152         (Archive::Should_include): Likewise.
2153         (Archive::should_include_member): Likewise.
2154         (Archive::Armap_entry): Remove.
2155         (Archive::Unused_symbol_iterator): Remove.
2156         (Archive::unused_symbols_begin): Remove.
2157         (Archive::unused_symbols_end): Remove.
2158         (Archive::do_filename): New function.
2159         (Archive::do_get_mtime): New function.
2160         (Archive::do_for_all_unused_symbols): New function.
2161         (Archive::task_): Move to base class.
2162         (Archive::incremental_info_): Likewise.
2163         (class Lib_group): Derive from Library_base.
2164         (Lib_group::do_filename): New function.
2165         (Lib_group::do_get_mtime): New function.
2166         (Lib_group::do_for_all_unused_symbols): New function.
2167         (Lib_group::task_): Move to base class.
2168         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2169         function.
2170         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2171         function.
2172         * incremental.cc (Incremental_inputs::report_archive_begin):
2173         Use Library_base; call library's get_mtime; add incremental inputs
2174         entry before members.
2175         (class Unused_symbol_visitor): New class.
2176         (Incremental_inputs::report_archive_end): Use Library_base; use
2177         visitor class to record unused symbols; don't add incremental inputs
2178         entry after members.
2179         (Incremental_inputs::report_object): Use Library_base.
2180         * incremental.h
2181         (Incremental_archive_entry::Incremental_archive_entry): Remove
2182         unused Archive parameter.
2183         (Incremental_inputs::report_archive_begin): Use Library_base.
2184         (Incremental_inputs::report_archive_end): Likewise.
2185         (Incremental_inputs::report_object): Likewise.
2186         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2187         function.
2188         * object.h (Object::for_all_global_symbols): New function.
2189         (Object::do_for_all_global_symbols): New function.
2190         (Sized_relobj::do_for_all_global_symbols): New function.
2191         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2192         function.
2193         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2194         function.
2195
2196 2011-03-27  Ian Lance Taylor  <iant@google.com>
2197
2198         * archive.cc (Archive::interpret_header): Return -1 if something
2199         goes wrong.  Change callers accordingly.
2200
2201 2011-03-25  Cary Coutant  <ccoutant@google.com>
2202
2203         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2204         * testsuite/Makefile.in: Regenerate.
2205
2206 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2207
2208         * plugin.cc (get_view): New.
2209         (Plugin::load): Pass get_view to the plugin.
2210         (Plugin_manager::get_view): New.
2211
2212 2011-03-21  Ian Lance Taylor  <iant@google.com>
2213
2214         * testsuite/final_layout.sh: Rewrite to not use dc.
2215         * testsuite/relro_test.sh: Fail if dc is not present.
2216
2217 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2218
2219         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2220         Change == to -eq.
2221         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2222         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2223         Change == to -eq.
2224         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2225         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2226
2227 2011-03-14  Ian Lance Taylor  <iant@google.com>
2228
2229         * script-sections.cc (Sort_output_sections::script_compare):
2230         Rename from is_before, change return type.
2231         (Sort_output_sections::operator()): Adjust accordingly.
2232
2233 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2234
2235         PR gold/12572
2236         * testsuite/odr_violation2.cc: Add comment to make all error line
2237         numbers double digits.
2238         * testsuite/debug_msg.sh: Adjust expected errors.
2239
2240 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2241
2242         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2243         but mark earlier ones as non-canonical
2244         (offset_to_iterator): Update search target and example
2245         (do_addr2line): Return extra lines in a vector*
2246         (format_file_lineno): Extract from do_addr2line
2247         (one_addr2line): Add vector* out-param
2248         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2249         when a lineno entry appeared last for its instruction
2250         (Dwarf_line_info): Add vector* out-param
2251         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2252         * symtab.cc (Odr_violation_compare): Include the lineno in the
2253         comparison again.
2254         (linenos_from_loc): New. Combine the canonical line for an
2255         address with its other lines.
2256         (True_if_intersect): New. Helper functor to make
2257         std::set_intersection a query.
2258         (detect_odr_violations): Compare sets of lines instead of just
2259         one line for each function. This became less deterministic, but
2260         has fewer false positives.
2261         * symtab.h: Declarations.
2262         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2263         mix an optimized and non-optimized object in the same binary
2264         (odr_violation2.so): Same.
2265         * testsuite/Makefile.in: Regenerate from Makefile.am.
2266         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2267         * testsuite/debug_msg.sh: Update line numbers and add
2268         assertions.
2269         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2270         non-optimized context.
2271         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2272         isn't inlined, and use OdrDerived in an optimized context.
2273         * testsuite/odr_header1.h: Defines OdrDerived, where
2274         optimization will change the
2275         first-instruction-in-the-destructor's file and line number.
2276         * testsuite/odr_header2.h: Defines OdrBase.
2277
2278 2011-03-09  Ian Lance Taylor  <iant@google.com>
2279
2280         * fileread.cc (File_read::clear_views): Don't delete the whole
2281         file view.
2282
2283 2011-03-08  Ian Lance Taylor  <iant@google.com>
2284
2285         PR gold/12525
2286         * fileread.cc: #include <climits>.
2287         (GOLD_IOV_MAX): Define.
2288         (File_read::read_multiple): Limit number of entries by iov_max.
2289         * fileread.h (class File_read): Always set max_readv_entries to
2290         128.
2291
2292 2011-03-07  Ian Lance Taylor  <iant@google.com>
2293
2294         PR gold/12525
2295         * options.h (class General_options): Add -dy and -dn.
2296
2297 2011-03-02  Cary Coutant  <ccoutant@google.com>
2298
2299         * testsuite/script_test_9.t: Add TLS segment.
2300
2301 2011-03-02  Simon Baldwin  <simonb@google.com>
2302
2303         * configure.ac: Add check for gnu_indirect_function support in
2304         the toolchain building binutils.
2305         * configure: Rebuild.
2306
2307 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2308
2309         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2310         plugin only symbols.
2311         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2312         in plugin files as not needed in the symbol table.
2313
2314 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2315
2316         * output.cc (Output_section::add_input_section): Delay fill
2317         generation for section ordering.
2318
2319 2011-02-09  Ian Lance Taylor  <iant@google.com>
2320
2321         PR gold/12316
2322         * object.h (class Sized_relobj): Remove clear_local_symbols.
2323         * reloc.cc (Sized_relobj::do_relocate): Don't call
2324         clear_local_symbols.
2325
2326 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2327
2328         * plugin.cc (is_visible_from_outside): Return true for symbols
2329         in the -u option.
2330
2331 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2332
2333         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2334         filename.
2335
2336 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2337
2338         * icf.h (is_section_foldable_candidate): Change type of parameter
2339         to std::string.
2340         * icf.cc (Icf::find_identical_sections): Change type of local variable
2341         section_name to be std::string.
2342         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2343
2344 2011-01-25  Ian Lance Taylor  <iant@google.com>
2345
2346         * script.cc (script_add_extern): Rewrite to use
2347         add_symbol_reference.
2348
2349 2011-01-25  Doug Kwan  <dougkwan@google.com>
2350
2351         * icf.cc (get_section_contents): Always lock section's object.
2352
2353 2011-01-24  Ian Lance Taylor  <iant@google.com>
2354
2355         * options.h (class General_options): Accept
2356         --no-detect-odr-violations.
2357
2358 2011-01-24  Ian Lance Taylor  <iant@google.com>
2359
2360         * version.cc (version_string): Bump to 1.11.
2361
2362 2011-01-24  Ian Lance Taylor  <iant@google.com>
2363
2364         * plugin.cc (class Plugin_rescan): Define new class.
2365         (Plugin_manager::claim_file): Set any_claimed_.
2366         (Plugin_manager::save_archive): New function.
2367         (Plugin_manager::save_input_group): New function.
2368         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2369         necessary.
2370         (Plugin_manager::new_undefined_symbol): New function.
2371         (Plugin_manager::rescan): New function.
2372         (Plugin_manager::rescannable_defines): New function.
2373         (Plugin_manager::add_input_file): Set any_added_.
2374         * plugin.h (class Plugin_manager): define new fields rescannable_,
2375         undefined_symbols_, any_claimed_, and any_added_.  Declare
2376         Plugin_rescan as friend.  Declare new functions.
2377         (Plugin_manager::Rescannable): Define type.
2378         (Plugin_manager::Rescannable_list): Define type.
2379         (Plugin_manager::Undefined_symbol_list): Define type.
2380         (Plugin_manager::Plugin_manager): Initialize new fields.
2381         * archive.cc (Archive::defines_symbol): New function.
2382         (Add_archive_symbols::run): Pass archive to plugins if any.
2383         * archive.h (class Archive): Declare defines_symbol.
2384         * readsyms.cc (Input_group::~Input_group): New function.
2385         (Finish_group::run): Pass input_group to plugins if any.
2386         * readsyms.h (class Input_group): Declare destructor.
2387         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2388         any.
2389
2390 2011-01-10  Ian Lance Taylor  <iant@google.com>
2391
2392         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2393         section as relro.
2394         (Layout::set_segment_offsets): Reset increase_relro before calling
2395         set_section_addresses a second time.
2396
2397 2011-01-04  Cary Coutant  <ccoutant@google.com>
2398
2399         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2400         sections before NOBITS sections.
2401
2402 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2403
2404         * version.cc (print_version): Update copyright to 2011.
2405
2406 2010-12-23  Cary Coutant  <ccoutant@google.com>
2407
2408         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2409         of OS to this->add.  Add OD parameter to second form of the function.
2410
2411 2010-12-20  Ian Lance Taylor  <iant@google.com>
2412
2413         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2414         second of two consecutive entries with same offset.
2415
2416 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2417
2418         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2419         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2420         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2421         to avoid unneeded links against $(LDADD).
2422         * testsuite/Makefile.in: Regenerate.
2423
2424 2010-12-15  Ian Lance Taylor  <iant@google.com>
2425
2426         PR gold/12324
2427         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2428         for R_X86_64_32 and R_X86_64_PC32.
2429         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2430         ver_matching_def_pic.o.
2431         (ver_matching_def_pic.o): New target.
2432
2433 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2434
2435         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2436         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2437         Move definition before File_read::View member definitions.
2438         (File_read::View::~View): Initialize and hold lock before
2439         updating current_mapped_bytes.
2440
2441 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2442
2443         * dwarf_reader.cc: Remove outdated comment.
2444         * gold-threads.cc: Fix typo in error message.
2445         * archive.cc: Fix typos in comments.
2446         * archive.h: Likewise.
2447         * arm-reloc-property.cc: Likewise.
2448         * arm-reloc-property.h: Likewise.
2449         * arm-reloc.def: Likewise.
2450         * arm.cc: Likewise.
2451         * attributes.h: Likewise.
2452         * cref.cc: Likewise.
2453         * ehframe.cc: Likewise.
2454         * fileread.h: Likewise.
2455         * gold.h: Likewise.
2456         * i386.cc: Likewise.
2457         * icf.cc: Likewise.
2458         * incremental.h: Likewise.
2459         * int_encoding.cc: Likewise.
2460         * layout.h: Likewise.
2461         * main.cc: Likewise.
2462         * merge.h: Likewise.
2463         * object.cc: Likewise.
2464         * object.h: Likewise.
2465         * options.cc: Likewise.
2466         * readsyms.cc: Likewise.
2467         * reduced_debug_output.cc: Likewise.
2468         * reloc.cc: Likewise.
2469         * script-sections.cc: Likewise.
2470         * sparc.cc: Likewise.
2471         * symtab.h: Likewise.
2472         * target-reloc.h: Likewise.
2473         * target.cc: Likewise.
2474         * target.h: Likewise.
2475         * timer.cc: Likewise.
2476         * timer.h: Likewise.
2477         * x86_64.cc: Likewise.
2478
2479 2010-12-09  Cary Coutant  <ccoutant@google.com>
2480
2481         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2482         stack.
2483         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2484         parameter; change all callers.
2485         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2486         * options.h (warn_execstack): New option.
2487
2488 2010-12-07  Doug Kwan  <dougkwan@google.com>
2489
2490         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2491         like function call relocations.
2492
2493 2010-12-07  Ian Lance Taylor  <iant@google.com>
2494
2495         * archive.cc (Archive::get_elf_object_for_member): Permit
2496         punconfigured to be NULL.
2497         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2498         (Archive::include_member): Pass NULL to get_elf_object_for_member
2499         if we searched for the archive and this is the first included
2500         object.
2501
2502 2010-12-01  Ian Lance Taylor  <iant@google.com>
2503
2504         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2505         track_relocs_type_ field.
2506         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2507         Set track_relocs_type_.
2508         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2509         contents when using RELA relocs.
2510         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2511         reloc_map_.
2512         * reloc.cc (Track_relocs::next_addend): New function.
2513         * reloc.h (class Track_relocs): Declare next_addend.
2514
2515 2010-12-01  Ian Lance Taylor  <iant@google.com>
2516
2517         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2518         virtual destructor.
2519
2520 2010-12-01  Ian Lance Taylor  <iant@google.com>
2521
2522         * README: Update compilers known to work and fail.
2523
2524 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2525
2526         * configure.in: For --enable-gold, handle value `default' instead of
2527         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2528         not the default.
2529         * configure: Regenerate.
2530
2531 2010-11-18  Doug Kwan  <dougkwan@google.com>
2532
2533         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2534         and right_alignment to be zero.  Store result alignment only if it is
2535         greater than existing alignment.
2536
2537 2010-11-16  Cary Coutant  <ccoutant@google.com>
2538
2539         PR gold/12220
2540         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2541         Check for ".zdebug_line".
2542
2543 2010-11-16  Doug Kwan  <dougkwan@google.com>
2544             Cary Coutant  <ccoutant@google.com>
2545
2546         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2547         by reference; adjust all callers.
2548         * output.cc (Output_segment::set_section_addresses): Adjust references
2549         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2550         list is empty.
2551         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2552         end at page boundary.
2553
2554 2010-11-16  Cary Coutant  <ccoutant@google.com>
2555
2556         PR gold/12220
2557         * layout.cc (Layout::choose_output_section): Transform names of
2558         compressed sections even when using a script with a SECTIONS clause.
2559         (Layout::output_section_name): Remove code to transform
2560         compressed debug section names.
2561         * output.cc (Output_section::add_input_section): Use uncompressed
2562         section size when tracking input sections.
2563
2564 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2565
2566         * symtab.h (Symbol::NON_PIC_REF): Remove.
2567         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2568         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2569         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2570         (Symbol::use_plt_offset): Take a flags argument and pass it
2571         directly to needs_dynamic_reloc.  Restrict check for undefined
2572         weak symbols to function calls.
2573         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2574         (Target_arm::Scan::global): Use it.
2575         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2576         (Target_arm::Relocate::relocate): Likewise.
2577         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2578         parameter with an r_type parameter.  Use get_reference_flags
2579         to get the flags.
2580         (Target_arm::Relocate::relocate): Update accordingly.
2581         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2582         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2583         (Target_i386::Scan::global): Likewise.
2584         (Target_i386::Relocate::relocate): Likewise.
2585         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2586         parameter with an r_type parameter.  Use get_reference_flags
2587         to get the flags.
2588         (Target_i386::Relocate::relocate): Update accordingly.
2589         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2590         (Target_powerpc::Scan::global): Use it.
2591         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2592         (Target_powerpc::Relocate::relocate): Likewise.
2593         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2594         (Target_sparc::Scan::global): Use it.
2595         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2596         (Target_sparc::Relocate::relocate): Likewise.
2597         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2598         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2599         (Target_x86_64::Scan::global): Likewise.
2600         (Target_x86_64::Relocate::relocate): Likewise.
2601
2602 2010-11-08  Doug Kwan  <dougkwan@google.com>
2603             Cary Coutant  <ccoutant@google.com>
2604
2605         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2606         (Arm_exidx_merge_section::section_contents_): New data member.
2607         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2608         (Arm_input_section::~Arm_input_section): De-allocate memory.
2609         (Arm_input_section::original_contents_): New data member.
2610         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2611         in parameters instead of calling Object::section_contents without
2612         locking.
2613         (Arm_output_section::group_section): New parameter TASK.  Pass it
2614         to callees that need locking objects.
2615         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2616         to lock EXIDX input sections.  Fix a formatting issue.  Call
2617         Arm_exidx_merged_section::build_contents to create merged section
2618         contents.
2619         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2620         to lock object of stub table owner.
2621         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2622         TEXT_SIZE to initialize data member TEXT_SIZE_.
2623         (Arm_exidx_input_section::addralign): Fix typo in comment.
2624         (Arm_exidx_input_section::text_size): New method.
2625         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2626         that require locking objects.  Lock objects before scanning for stubs
2627         and updating local symbols.
2628         (Arm_input_section<big_endian>::init): Copy contents of original
2629         input section.
2630         (Arm_input_section<big_endian>::do_write): Use saved contents of
2631         original input section instead of calling Object::section_contents
2632         without locking.
2633         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2634         size without calling Object::section_size().
2635         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2636         for size.  Allocate a buffer for merged EXIDX entries.
2637         (Arm_exidx_merged_section::build_contents): New method.
2638         (Arm_exidx_merged_section::do_write): Move merge section contents
2639         building code to Arm_exidx_merged_section::build_contetns.  Write
2640         out contetns in buffer instead of building it on the fly.
2641         (Arm_relobj::make_exidx_input_section): Also pass text section size
2642         to Arm_exidx_input_section constructor.
2643         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2644         (Arm_dynobj::do_read_symbols): Fix memory leak.
2645         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2646         * target.h: (class Task): Add forward declaration.
2647         (Target::relax): Add new parameter TASK and pass it to
2648         Target::do_relax().
2649         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2650
2651 2010-11-05  Cary Coutant  <ccoutant@google.com>
2652
2653         PR gold/10708
2654         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2655         object when reading from the file.
2656         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2657         second layout pass.
2658         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2659         when reading section contents.
2660         (get_section_contents): Likewise.
2661         (icf::find_identical_sections): Likewise.
2662         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2663         object when reading from the file.
2664         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2665         the object when doing deferred section layout.
2666
2667 2010-11-03  Nick Clifton  <nickc@redhat.com>
2668
2669         PR gold/12001
2670         * script.h (class Symbol_assignment: name): New member.  Returns
2671         the name of the symbol.
2672         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2673         Returns true if the given symbol name is on the list of
2674         assignments wating to be processed.
2675         * archive.cc (should_incldue_member): If the symbol is undefined,
2676         check to see if it is on the list of symbols pending assignment.
2677
2678 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2679
2680         * script-sections.cc (Script_sections::find_memory_region): Check
2681         for a NULL output section pointer.
2682
2683 2010-10-29  Doug Kwan  <dougkwan@google.com>
2684
2685         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2686         Output_section::add_relaxed_input_section.
2687         * output.cc (Output_section::add_relaxed_input_section): Add new
2688         arguments LAYOUT and NAME.  Set section order index.
2689         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2690         Copy section order index.
2691         * output.h (Output_section::add_relaxed_input_section): Add new
2692         arguments LAYOUT and NAME.
2693
2694 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2695
2696         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2697         NATIVE_OR_CROSS_LINKER.
2698         * testsuite/Makefile.in: Regenerate.
2699
2700 2010-10-20  Doug Kwan  <dougkwan@google.com>
2701
2702         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2703         without SHF_LINK_ORDER flags.
2704         * layout.cc (Layout::choose_output_section): Do not filter
2705         SHF_LINK_ORDER flag in a relocatable link.
2706
2707 2010-10-17  Cary Coutant  <ccoutant@google.com>
2708
2709         * output.h (Output_segment::set_section_addresses): Change function
2710         signature.  Update all callers.
2711         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2712         sections.
2713         (Output_segment::set_section_addresses): Align after last TLS
2714         section.  Add padding before last relro section instead of after.
2715
2716 2010-10-17  Doug Kwan  <dougkwan@google.com>
2717
2718         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2719         GOT output section to be writable.
2720
2721 2010-10-14  Cary Coutant  <ccoutant@google.com>
2722
2723         * debug.h (DEBUG_INCREMENTAL): New flag.
2724         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2725         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2726         mode.
2727         * incremental.cc (report_command_line): Ignore all forms of
2728         --incremental.
2729         * layout.cc (Layout::Layout): Check parameters for incremental link
2730         mode.
2731         * options.cc (General_options::parse_incremental): New function.
2732         (General_options::parse_no_incremental): New function.
2733         (General_options::parse_incremental_full): New function.
2734         (General_options::parse_incremental_update): New function.
2735         (General_options::incremental_mode_): New data member.
2736         (General_options::finalize): Check incremental_mode_.
2737         * options.h (General_options): Update help text for --incremental.
2738         Add --no-incremental, --incremental-full, --incremental-update.
2739         (General_options::Incremental_mode): New enum type.
2740         (General_options::incremental_mode): New function.
2741         (General_options::incremental_mode_): New data member.
2742         * parameters.cc (Parameters::incremental_mode_): New data member.
2743         (Parameters::set_options): Set incremental_mode_.
2744         (Parameters::set_incremental_full): New function.
2745         (Parameters::incremental): New function.
2746         (Parameters::incremental_update): New function.
2747         (set_parameters_incremental_full): New function.
2748         * parameters.h (Parameters::set_incremental_full): New function.
2749         (Parameters::incremental): New function.
2750         (Parameters::incremental_update): New function.
2751         (Parameters::incremental_mode_): New data member.
2752         (set_parameters_incremental_full): New function.
2753         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2754         incremental link mode.
2755         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2756         (Sized_relobj::do_relocate_sections): Likewise.
2757         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2758         option.
2759         * testsuite/Makefile.in: Regenerate.
2760         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2761
2762 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2763
2764         * script-sections.h (class Script_sections): Make
2765         Sections_elements typedef public.
2766         * script-sections.cc (class Sort_output_sections): Add elements_
2767         field.  Add constructor which sets it; change all callers.
2768         (Sort_output_sections::is_before): New function.
2769         (Sort_output_sections::operator()): Call is_before.
2770         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2771         conditional.
2772         * testsuite/script_test_10.sh: New test. Test script section
2773         order.
2774         * testsuite/script_test_10.t: Likewise.
2775         * testsuite/script_test_10.s: Likewise.
2776         * testsuite/Makefile.am: Wrap the cross linker tests and the
2777         common tests into NATIVE_OR_CROSS_LINKER.
2778         (check_SCRIPTS): Add script_test_10.sh.
2779         (check_DATA): Add script_test_10.stdout.
2780         (script_test_10.o, script_test_10): New targets.
2781         (script_test_10.stdout): New target.
2782         * configure, testsuite/Makefile.in: Regenerate.
2783
2784 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2785
2786         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2787         error for the deprecated relocations.
2788         (Target_arm::Scan::global): Likewise.
2789         (Target_arm::Relocate::relocate): Likewise.
2790
2791 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2792
2793         * fileread.cc (Input_file::find_file): Initialize *found_name
2794         and *namep when using the fallback search for case 4.
2795
2796 2010-10-11  Cary Coutant  <ccoutant@google.com>
2797
2798         * options.h (class General_options): Redefine -z lazy as an alias for
2799         the negation of -z now.
2800
2801 2010-10-11  Ian Lance Taylor  <iant@google.com>
2802
2803         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2804         binding.
2805
2806 2010-10-06  Nick Clifton  <nickc@redhat.com>
2807
2808         * script-sections.cc(class Memory_region): Remove
2809         current_lma_offset_ field.  Rename current_vma_offset_ to
2810         current_offset_.  Add last_section_ field.
2811         (Memory_region::get_current_vma_address): Rename to
2812         get_current_address.
2813         (Memory_region::get_current_lma_address): Delete.
2814         (Memory_region::increment_vma_offset): Rename to
2815         increment_offset.
2816         (Memory_region::increment_lma_offset): Delete.
2817         (Memory_region::attributes_compatible): New method.  Returns
2818         true if the provided section is compatible with the region.
2819         (Memory_region::get_last_section): New method.  Returns the last
2820         section to use the region.
2821         (Memory_region::set_last_section): New method.  Stores the last
2822         section to use the region.
2823         (Script_sections::block_in_region): New method.  Returns true if
2824         a block of memory is contained within a region.
2825         (Script_sections::find_memory_region): New method.  Locates a
2826         memory region to be used to set a VMA or LMA address.
2827         (Output_section_definition::set_section_addresses): Add code to
2828         check for addresses set by memory regions.
2829         (Output_segment::set_section_addresses): Remove memory region
2830         walking code.
2831         (Script_sections::create_segment): Add a warning if a header
2832         segment is created outside of any region.
2833         * script-sections.h (class Script_sections): Add prototypes for
2834         find_memory_region and block_in_region methods.
2835         * testsuite/memory_test.s: Use .long instead of .word.
2836         * testsuite/memory_test.t: Add some more output sections.
2837         * testsuite/memory_test.sh: Update expected output.
2838
2839 2010-10-02  Doug Kwan  <dougkwan@google.com>
2840
2841         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2842         defintion to symtab.h
2843         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2844         declaration to defintion.
2845
2846 2010-10-01  Nick Clifton  <nickc@redhat.com>
2847
2848         * expression.cc (eval): Replace dummy argument with NULL.
2849         (eval_maybe_dot): Check for a NULL result section pointer.
2850         (Symbol_expression::value): Likewise.
2851         (Dot_expression::value): Likewise.
2852         (BINARY_EXPRESSION): Likewise.
2853         (Max_expression::value): Likewise.
2854         (Min_expression::value): Likewise.
2855         (Absolute_expression::value): Likewise.
2856         (Addr_expression::value_from_output_section): Likewise.
2857         (Loaddddr_expression::value_from_output_section): Likewise.
2858         (Segment_start_expression::value): Likewise.
2859         * script-sections.cc
2860         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2861         argument with NULL.
2862         (Sections_elememt_dot_assignment::set_section_addresses):
2863         Likewise.
2864         (Output_data_expression::do_write_to_buffer): Likewise.
2865         (Output_section_definition::finalize_symbols): Likewise.
2866         (Output_section_definition::set_section_addresses): Likewise.
2867
2868 2010-09-30  Doug Kwan  <dougkwan@google.com>
2869
2870         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2871
2872 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2873
2874         * target.h (Target::can_icf_inline_merge_sections): New virtual
2875         function.
2876         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2877         virtual function.
2878         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2879         virtual function.
2880         * icf.cc (get_section_contents): Inline merge sections only when
2881         target allows it.
2882
2883 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2884
2885         * configure: Regenerate.
2886
2887 2010-09-17  Ian Lance Taylor  <iant@google.com>
2888
2889         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2890         * testsuite/Makefile.am (memory_test.o): New target.
2891         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2892         memory_test.t.
2893         * testsuite/Makefile.in: Rebuild.
2894
2895 2010-09-17  Doug Kwan  <dougkwan@google.com>
2896
2897         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2898         defintion if relocation uses GOT entries of the symbol.
2899         * testsuite/icf_safe_test.sh: Fix test.
2900         * testsuite/icf_safe_so_test.sh: Fix test.
2901
2902 2010-09-16  Cary Coutant  <ccoutant@google.com>
2903
2904         * script_sections.cc (class Memory_region): Remove "NULL" from
2905         vector initializations.
2906
2907 2010-09-15  Cary Coutant  <ccoutant@google.com>
2908
2909         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2910         Resolve forwarding symbols.
2911
2912 2010-09-15  Doug Kwan  <dougkwan@google.com>
2913
2914         * gold/testsuite/script_test_3.t: Add ARM special sections.
2915         * gold/testsuite/script_test_4.t: Same.
2916         * gold/testsuite/script_test_5.t: Same.
2917         * gold/testsuite/script_test_6.t: Same.
2918         * gold/testsuite/script_test_7.t: Same.
2919         * gold/testsuite/script_test_7.t: Same.
2920         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2921
2922 2010-09-14  Cary Coutant  <ccoutant@google.com>
2923
2924         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2925         (Target_x86_64::Relocate::relocate_tls): Replace check for
2926         saw_tls_block_reloc_ with test for executable section.
2927
2928 2010-09-12  Cary Coutant  <ccoutant@google.com>
2929
2930         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2931         position-independent executables to shared libraries need dynamic
2932         relocations.
2933         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2934         position-independent executables.
2935         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2936         * testsuite/Makefile.in: Regenerate.
2937
2938 2010-09-10  Nick Clifton  <nickc@redhat.com>
2939
2940         PR gold/11997
2941         * testsuite/memory_test.t: Discard any sections that are not
2942         needed.
2943
2944 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR gold/11996
2947         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2948         "This::" to work around a bug in gcc 4.2.
2949
2950         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2951
2952 2010-09-09  Rafael Espindola  <espindola@google.com>
2953
2954         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2955         sections with different PF_X flags in the same segment.
2956         (Layout::find_first_load_seg): Search all segments to find the first
2957         one.
2958         * options.h (rosegment): New.
2959
2960 2010-09-08  Rafael Espindola  <espindola@google.com>
2961
2962         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2963
2964 2010-09-08  Doug Kwan  <dougkwan@google.com>
2965
2966         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2967         (Arm_relobj::do_relocate_sections): Add new parameter for output
2968         file to match the parent.
2969         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2970         of local symbols instead of input values.  Update code to track
2971         changes in gold::relocate_section.
2972         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2973         (Sized_relobj::compute_final_local_value_internal): New methods.
2974         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2975         body into private version of Sized_relobj::compute_final_local_value.
2976         Call the inline method.
2977         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2978         merged symbol value if there is one.
2979         (Symbol_value::has_output_value): New method defintiion.
2980         (Sized_relobj::Compute_final_local_value_status): New enum type.
2981         (Sized_relobj::compute_final_local_value): New methods.
2982         (Sized_relobj::compute_final_local_value_internal): New methods.
2983         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2984         and arm_cortex_a8.sh.
2985         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2986         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2987         New tests.
2988         * Makefile.in: Regenerate.
2989         * testsuite/arm_bl_out_of_range.s: Update test.
2990         * testsuite/thumb_bl_out_of_range.s: Ditto.
2991         * testsuite/thumb_blx_out_of_range.s: Ditto.
2992         * testsuite/arm_branch_out_of_range.sh: New file.
2993         * testsuite/arm_cortex_a8.sh: Ditto.
2994         * testsuite/arm_cortex_a8_b.s: Ditto.
2995         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2996         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2997         * testsuite/arm_cortex_a8_bl.s: Ditto.
2998         * testsuite/arm_cortex_a8_blx.s: Ditto.
2999         * testsuite/arm_cortex_a8_local.s: Ditto.
3000         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3001         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3002
3003 2010-09-08  Rafael Espindola  <espindola@google.com>
3004
3005         * Makefile.am (memory_test.stdout): Run readelf with -W.
3006         * Makefile.in: Regenerate.
3007         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3008         64 bit output.
3009
3010 2010-09-08  Rafael Espindola  <espindola@google.com>
3011
3012         * script-sections.cc (Script_sections::add_memory_region): Convert
3013         field precision to int.
3014         * script.cc (script_set_section_region, script_set_section_region):
3015         Convert field precision to int.
3016
3017 2010-09-08  Rafael Espindola  <espindola@google.com>
3018
3019         * arm.cc (do_finalize_sections): Create the __exidx_start and
3020         __exdix_end symbols even when the section is missing.
3021
3022 2010-09-08  Nick Clifton  <nickc@redhat.com>
3023
3024         * README: Remove claim that MEMORY is not supported.
3025         * expression.cc (script_exp_function_origin)
3026         (script_exp_function_length): Move from here to ...
3027         * script.cc: ... here.
3028         (script_set_section_region, script_add_memory)
3029         (script_parse_memory_attr, script_include_directive): New
3030         functions.
3031         * script-sections.cc
3032         (class Memory_region): New class.
3033         (class Output_section_definition): Add set_memory_region,
3034         set_section_vma, set_section_lma and get_section_name methods.
3035         (class Script_Sections): Add add_memory_region,
3036         find_memory_region, find_memory_region_origin,
3037         find_memory_region_length and set_memory_region methods.
3038         Have set_section_addresses method walk the list of set memory
3039         regions.
3040         Extend the print methos to display memory regions.
3041         * script-sections.h: Add prototypes for new methods.
3042         Add enum for MEMORY region attributes.
3043         * yyscript.y: Add support for parsing MEMORY regions.
3044         * script-c.h: Add prototypes for new functions.
3045         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3046         * testsuite/Makefile.in: Regenerate.
3047         * testsuite/memory_test.sh: New script.
3048         * testsuite/memory_test.s: New assembler source file.
3049         * testsuite/memory_test.t: New linker script.
3050
3051 2010-08-27  Doug Kwan  <dougkwan@google.com>
3052
3053         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3054         reference override an existing dynamic weak reference.
3055         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3056         * testsuite/Makefile.in: Regenerate.
3057         * testsuite/dyn_weak_ref.sh: New file.
3058         * testsuite/dyn_weak_ref_1.c: Ditto.
3059         * testsuite/dyn_weak_ref_2.c: Ditto.
3060
3061 2010-08-27  Ian Lance Taylor  <iant@google.com>
3062
3063         * incremental.h (class Incremental_input_entry): Add virtual
3064         destructor.
3065
3066 2010-08-27  Ian Lance Taylor  <iant@google.com>
3067
3068         * testsuite/start_lib_test_3.c: Mark t3 as used.
3069
3070 2010-08-27  Nick Clifton  <nickc@redhat.com>
3071
3072         * options.cc (version_script): Fix small typo in previous
3073         whitespace tidyup.
3074
3075 2010-08-25  Nick Clifton  <nickc@redhat.com>
3076
3077         * archive.cc: Formatting fixes: Remove whitespace between
3078         typename and following asterisk.  Remove whitespace between
3079         function name and opening parenthesis.
3080         * archive.h: Likewise.
3081         * arm.cc: Likewise.
3082         * attributes.cc: Likewise.
3083         * attributes.h: Likewise.
3084         * common.cc: Likewise.
3085         * copy-relocs.cc: Likewise.
3086         * dirsearch.h: Likewise.
3087         * dynobj.cc: Likewise.
3088         * ehframe.cc: Likewise.
3089         * ehframe.h: Likewise.
3090         * expression.cc: Likewise.
3091         * fileread.cc: Likewise.
3092         * fileread.h: Likewise.
3093         * gc.h: Likewise.
3094         * gold-threads.cc: Likewise.
3095         * gold.cc: Likewise.
3096         * i386.cc: Likewise.
3097         * icf.h: Likewise.
3098         * incremental-dump.cc: Likewise.
3099         * incremental.cc: Likewise.
3100         * layout.cc: Likewise.
3101         * layout.h: Likewise.
3102         * main.cc: Likewise.
3103         * merge.cc: Likewise.
3104         * merge.h: Likewise.
3105         * object.cc: Likewise.
3106         * object.h: Likewise.
3107         * options.cc: Likewise.
3108         * options.h: Likewise.
3109         * output.cc: Likewise.
3110         * output.h: Likewise.
3111         * plugin.cc: Likewise.
3112         * plugin.h: Likewise.
3113         * powerpc.cc: Likewise.
3114         * reloc.cc: Likewise.
3115         * script-c.h: Likewise.
3116         * script-sections.cc: Likewise.
3117         * script.cc: Likewise.
3118         * stringpool.cc: Likewise.
3119         * symtab.cc: Likewise.
3120         * symtab.h: Likewise.
3121         * target.cc: Likewise.
3122         * timer.cc: Likewise.
3123         * timer.h: Likewise.
3124         * version.cc: Likewise.
3125         * x86_64.cc: Likewise.
3126
3127 2010-08-24  Nick Clifton  <nickc@redhat.com>
3128
3129         PR 11899
3130         * layout.cc (segment_precedes): Sort segments by their physical
3131         addresses, if they have been set.
3132
3133 2010-08-23  Cary Coutant  <ccoutant@google.com>
3134
3135         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3136         symbols data.
3137         (Lib_group::include_member): Unlock object after deleting its
3138         symbols data.
3139         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3140         the bug fixed here.
3141
3142 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3143             Cary Coutant  <ccoutant@google.com>
3144
3145         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3146         constructor, and set_blocker.
3147         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3148         readsyms_blocker_.
3149         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3150         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3151         * testsuite/Makefile.am (start_lib_test): New test case.
3152         * testsuite/Makefile.in: Regenerate.
3153         * testsuite/start_lib_test_main.c: New file.
3154         * testsuite/start_lib_test_1.c: New file.
3155         * testsuite/start_lib_test_2.c: New file.
3156         * testsuite/start_lib_test_3.c: New file.
3157
3158 2010-08-19  Ian Lance Taylor  <iant@google.com>
3159
3160         * Makefile.in: Rebuild with automake 1.11.1.
3161         * aclocal.m4: Likewise.
3162         * testsuite/Makefile.in: Likewise.
3163
3164 2010-08-19  Ian Lance Taylor  <iant@google.com>
3165
3166         PR 10893
3167         * i386.cc (class Output_data_plt_i386): Update declarations.
3168         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3169         local_ifuncs_ fields.
3170         (Target_i386::do_plt_section_for_global): New function.
3171         (Target_i386::do_plt_section_for_local): New function.
3172         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3173         parameter; change all callers.  Initialize global_ifuncs_ and
3174         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3175         __rel_iplt_end.
3176         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3177         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3178         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3179         symbols.
3180         (Target_i386::make_plt_section): New function, broken out of
3181         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3182         (Target_i386::make_plt_entry): Call make_plt_section.
3183         (Target_i386::make_local_ifunc_plt_entry): New function.
3184         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3185         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3186         R_386_IRELATIVE to switch.
3187         (Target_i386::Scan::global): Likewise.
3188         (Target_i386::Relocate::relocate): Likewise.
3189         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3190         switch.
3191         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3192         (Target_x86_64::do_plt_section_for_global): New function.
3193         (Target_x86_64::do_plt_section_for_local): New function.
3194         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3195         parameter; change all callers.  If doing a static link define
3196         __rela_iplt_start and __rela_iplt_end.
3197         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3198         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3199         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3200         to point to .plt.
3201         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3202         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3203         switch.
3204         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3205         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3206         R_X86_64_IRELATIVE to switch.
3207         (Target_x86_64::Scan::global): Likewise.
3208         (Target_x86_64::Relocate::relocate): Likewise.
3209         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3210         switch.
3211         * target.h (class Target): Add plt_section_for_global and
3212         plt_section_for_local functions.  Add do_plt_section_for_global
3213         and do_plt_section_for_local virtual functions.
3214         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3215         clarifying comments.
3216         (Symbol::use_plt_offset): Handle IFUNC symbol.
3217         * object.cc (Sized_relobj::Sized_relobj): Initialize
3218         local_plt_offsets_.
3219         (Sized_relobj::local_has_plt_offset): New function.
3220         (Sized_relobj::local_plt_offset): New function.
3221         (Sized_relobj::set_local_plt_offset): New function.
3222         (Sized_relobj::do_count): Handle IFUNC symbol.
3223         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3224         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3225         is_ifunc_symbol functions.
3226         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3227         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3228         local_plt_offsets_ field.
3229         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3230         * output.h (class Output_section_data): Add non-const
3231         output_section function.
3232         (class Output_data_got): Update declarations.
3233         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3234         Add use_plt_offset parameter to global and local constructors.
3235         Change all callers.  Change local_sym_index_ field to 31 bits.
3236         Change GSYM_CODE and CONSTANT_CODE accordingly.
3237         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3238         doing a static link don't set sh_link field.
3239         (Output_data_got::Got_entry::write): Use PLT offset if
3240         appropriate.
3241         (Output_data_got::add_global_plt): New function.
3242         (Output_data_got::add_local_plt): New function.
3243         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3244         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3245         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3246         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3247         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3248         IFUNC conditional.
3249         * testsuite/ifunc-sel.h: New file.
3250         * testsuite/ifuncmain1.c: New file.
3251         * testsuite/ifuncmain1vis.c: New file.
3252         * testsuite/ifuncmod1.c: New file.
3253         * testsuite/ifuncdep2.c: New file.
3254         * testsuite/ifuncmain2.c: New file.
3255         * testsuite/ifuncmain3.c: New file.
3256         * testsuite/ifuncmod3.c: New file.
3257         * testsuite/ifuncmain4.c: New file.
3258         * testsuite/ifuncmain5.c: New file.
3259         * testsuite/ifuncmod5.c: New file.
3260         * testsuite/ifuncmain6pie.c: New file.
3261         * testsuite/ifuncmod6.c: New file.
3262         * testsuite/ifuncmain7.c: New file.
3263         * configure, testsuite/Makefile.in: Rebuild.
3264
3265 2010-08-18  Ian Lance Taylor  <iant@google.com>
3266
3267         * incremental.cc
3268         (Output_section_incremental_inputs::write_input_files): Add cast
3269         to avoid signed/unsigned comparison warning.
3270         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3271
3272 2010-08-12  Cary Coutant  <ccoutant@google.com>
3273
3274         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3275
3276 2010-08-13  Ian Lance Taylor  <iant@google.com>
3277
3278         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3279
3280 2010-08-12  Cary Coutant  <ccoutant@google.com>
3281             Doug Kwan  <dougkwan@google.com>
3282
3283         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3284         defintion overrides non-weak undef, remember that the original undef
3285         is not weak.
3286         * symtab.cc (Symbol_table::sized_write_global): For undef without
3287         an original weak binding, set binding to global in output.
3288         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3289         * testsuite/Makefile.in: Regenerate.
3290         * testsuite/strong_ref_weak_def.sh: New file.
3291         * testsuite/strong_ref_weak_def_1.c: Ditto.
3292         * testsuite/strong_ref_weak_def_2.c: Ditto.
3293
3294 2010-08-12  Cary Coutant  <ccoutant@google.com>
3295
3296         * testsuite/incremental_test.sh: Rewrite.
3297         * testsuite/incremental_test_1.c: Rewrite.
3298         * testsuite/incremental_test_2.c: Rewrite.
3299
3300 2010-08-12  Cary Coutant  <ccoutant@google.com>
3301
3302         * arm.cc (Target_arm::got_size): Add const.
3303         (Target_arm::got_entry_count): New function.
3304         (Target_arm::plt_entry_count): New function.
3305         (Target_arm::first_plt_entry_offset): New function.
3306         (Target_arm::plt_entry_size): New function.
3307         (Output_data_plt_arm::entry_count): New function.
3308         (Output_data_plt_arm::first_plt_entry_offset): New function.
3309         (Output_data_plt_arm::get_plt_entry_size): New function.
3310         * i386.cc (Target_i386::got_size): Add const.
3311         (Target_i386::got_entry_count): New function.
3312         (Target_i386::plt_entry_count): New function.
3313         (Target_i386::first_plt_entry_offset): New function.
3314         (Target_i386::plt_entry_size): New function.
3315         (Output_data_plt_i386::entry_count): New function.
3316         (Output_data_plt_i386::first_plt_entry_offset): New function.
3317         (Output_data_plt_i386::get_plt_entry_size): New function.
3318         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3319         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3320         * incremental.cc: Include target.h.
3321         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3322         parameter.  Adjust all callers.  Find incremental_got_plt section.
3323         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3324         section.
3325         (Output_section_incremental_inputs::set_final_data_size): Calculate
3326         size of incremental_got_plt section.
3327         (Output_section_incremental_inputs::do_write): Write the
3328         incremental_got_plt section.
3329         (Got_plt_view_info): New struct.
3330         (Local_got_offset_visitor): New class.
3331         (Global_got_offset_visitor): New class.
3332         (Global_symbol_visitor_got_plt): New class.
3333         (Output_section_incremental_inputs::write_got_plt): New function.
3334         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3335         Add parameter.  Adjust all callers.
3336         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3337         (Incremental_inputs::got_plt_section): New function.
3338         (Incremental_inputs::got_plt_section_): New data member.
3339         (Incremental_got_plt_reader): New class.
3340         * layout.cc (Layout::create_incremental_info_sections): Add the
3341         incremental_got_plt section.
3342         * object.h (Got_offset_list::get_list): New function.
3343         (Got offset_list::for_all_got_offsets): New function.
3344         (Sized_relobj::local_got_offset_list): New function.
3345         * powerpc.cc (Target_powerpc::got_size): Add const.
3346         (Target_powerpc::got_entry_count): New function.
3347         (Target_powerpc::plt_entry_count): New function.
3348         (Target_powerpc::first_plt_entry_offset): New function.
3349         (Target_powerpc::plt_entry_size): New function.
3350         (Output_data_plt_powerpc::entry_count): New function.
3351         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3352         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3353         * sparc.cc (Target_sparc::got_size): Add const.
3354         (Target_sparc::got_entry_count): New function.
3355         (Target_sparc::plt_entry_count): New function.
3356         (Target_sparc::first_plt_entry_offset): New function.
3357         (Target_sparc::plt_entry_size): New function.
3358         (Output_data_plt_sparc::entry_count): New function.
3359         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3360         (Output_data_plt_sparc::get_plt_entry_size): New function.
3361         * symtab.h (Symbol::got_offset_list): New function.
3362         (Symbol_table::for_all_symbols): New function.
3363         * target.h (Sized_target::got_entry_count): New function.
3364         (Sized_target::plt_entry_count): New function.
3365         (Sized_target::plt_entry_size): New function.
3366         * x86_64.cc (Target_x86_64::got_size): Add const.
3367         (Target_x86_64::got_entry_count): New function.
3368         (Target_x86_64::plt_entry_count): New function.
3369         (Target_x86_64::first_plt_entry_offset): New function.
3370         (Target_x86_64::plt_entry_size): New function.
3371         (Output_data_plt_x86_64::entry_count): New function.
3372         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3373         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3374
3375 2010-08-12  Cary Coutant  <ccoutant@google.com>
3376
3377         * archive.cc: Include incremental.h.
3378         (Archive::Archive): Initialize incremental_info_.
3379         (Archive::include_member): Record archive members in incremental info.
3380         (Add_archive_symbols::run): Record begin and end of an archive in
3381         incremental info.
3382         (Lib_group::include_member): Record objects in incremental info.
3383         * archive.h (Incremental_archive_entry): Forward declaration.
3384         (Archive::set_incremental_info): New member function.
3385         (Archive::incremental_info): New member function.
3386         (Archive::Unused_symbol_iterator): New class.
3387         (Archive::unused_symbols_begin): New member function.
3388         (Archive::unused_symbols_end): New member function.
3389         (Archive::incremental_info_): New data member.
3390         * incremental-dump.cc (find_input_containing_global): New function.
3391         (dump_incremental_inputs): Dump new incremental info sections.
3392         * incremental.cc: Include symtab.h.
3393         (Output_section_incremental_inputs): New class.
3394         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3395         new incremental info sections.
3396         (Sized_incremental_binary::do_check_inputs): Likewise.
3397         (Incremental_inputs::report_archive): Remove.
3398         (Incremental_inputs::report_archive_begin): New function.
3399         (Incremental_inputs::report_archive_end): New function.
3400         (Incremental_inputs::report_object): New function.
3401         (Incremental_inputs::finalize_inputs): Remove.
3402         (Incremental_inputs::report_input_section): New function.
3403         (Incremental_inputs::report_script): Rewrite.
3404         (Incremental_inputs::finalize): Do nothing but finalize string table.
3405         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3406         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3407         (Incremental_inputs::create_data_sections): New function.
3408         (Incremental_inputs::relocs_entsize): New function.
3409         (Output_section_incremental_inputs::set_final_data_size): New function.
3410         (Output_section_incremental_inputs::do_write): New function.
3411         (Output_section_incremental_inputs::write_header): New function.
3412         (Output_section_incremental_inputs::write_input_files): New function.
3413         (Output_section_incremental_inputs::write_info_blocks): New function.
3414         (Output_section_incremental_inputs::write_symtab): New function.
3415         * incremental.h (Incremental_script_entry): Forward declaration.
3416         (Incremental_object_entry): Forward declaration.
3417         (Incremental_archive_entry): Forward declaration.
3418         (Incremental_inputs): Forward declaration.
3419         (Incremental_inputs_header_data): Remove.
3420         (Incremental_inputs_header): Remove.
3421         (Incremental_inputs_header_write): Remove.
3422         (Incremental_inputs_entry_data): Remove.
3423         (Incremental_inputs_entry): Remove.
3424         (Incremental_inputs_entry_write): Remove.
3425         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3426         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3427         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3428         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3429         Likewise.
3430         (Incremental_input_entry): New class.
3431         (Incremental_script_entry): New class.
3432         (Incremental_object_entry): New class.
3433         (Incremental_archive_entry): New class.
3434         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3435         (Incremental_inputs::report_inputs): Remove.
3436         (Incremental_inputs::report_archive): Remove.
3437         (Incremental_inputs::report_archive_begin): New function.
3438         (Incremental_inputs::report_archive_end): New function.
3439         (Incremental_inputs::report_object): Change prototype.
3440         (Incremental_inputs::report_input_section): New function.
3441         (Incremental_inputs::report_script): Change prototype.
3442         (Incremental_inputs::get_reloc_count): New function.
3443         (Incremental_inputs::set_reloc_count): New function.
3444         (Incremental_inputs::create_data_sections): New function.
3445         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3446         (Incremental_inputs::inputs_section): New function.
3447         (Incremental_inputs::symtab_section): New function.
3448         (Incremental_inputs::relocs_section): New function.
3449         (Incremental_inputs::get_stringpool): Add const.
3450         (Incremental_inputs::command_line): Add const.
3451         (Incremental_inputs::inputs): Remove.
3452         (Incremental_inputs::command_line_key): New function.
3453         (Incremental_inputs::input_file_count): New function.
3454         (Incremental_inputs::input_files): New function.
3455         (Incremental_inputs::relocs_entsize): New function.
3456         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3457         (Incremental_inputs::finalize_inputs): Remove.
3458         (Incremental_inputs::Input_info): Remove.
3459         (Incremental_inputs::lock_): Remove.
3460         (Incremental_inputs::inputs_): Change type.
3461         (Incremental_inputs::inputs_map_): Remove.
3462         (Incremental_inputs::current_object_entry_): New data member.
3463         (Incremental_inputs::inputs_section_): New data member.
3464         (Incremental_inputs::symtab_section_): New data member.
3465         (Incremental_inputs::relocs_section_): New data member.
3466         (Incremental_inputs::reloc_count_): New data member.
3467         (Incremental_inputs_reader): New class.
3468         (Incremental_symtab_reader): New class.
3469         (Incremental_relocs_reader): New class.
3470         * layout.cc (Layout::finalize): Move finalization of incremental info
3471         and creation of incremental info sections to follow finalization of
3472         symbol table.  Set offsets for postprocessing sections.
3473         (Layout::create_incremental_info_sections): Call
3474         Incremental_inputs::create_data_sections.  Add incremental symtab
3475         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3476         sections to layout after input sections.
3477         * layout.h (struct Timespec): Forward declaration.
3478         (Layout::incremental_inputs): Add const.
3479         (Layout::create_incremental_info_sections): Add parameter.
3480         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3481         * object.cc: Include incremental.h.
3482         (Relobj::finalize_incremental_relocs): New function.
3483         (Sized_relobj::do_layout): Record input sections in incremental info.
3484         * object.h (Object::output_section): New function.
3485         (Object::output_section_offset): Moved from Relobj.
3486         (Object::get_incremental_reloc_base): New function.
3487         (Object::get_incremental_reloc_count): New function.
3488         (Object::do_output_section): New function.
3489         (Object::do_output_section_offset): Moved from Relobj.
3490         (Object::do_get_incremental_reloc_base): New function.
3491         (Object::do_get_incremental_reloc_count): New function.
3492         (Object::Object): Initialize new data members.
3493         (Relobj::output_section): Renamed do_output_section and moved to
3494         protected.
3495         (Relobj::output_section_offset): Moved to Object.
3496         (Relobj::do_get_incremental_reloc_base): New function.
3497         (Relobj::do_get_incremental_reloc_count): New function.
3498         (Relobj::allocate_incremental_reloc_counts): New function.
3499         (Relobj::count_incremental_reloc): New function.
3500         (Relobj::finalize_incremental_relocs): New function.
3501         (Relobj::next_incremental_reloc_index): New function.
3502         (Relobj::reloc_counts_): New data member.
3503         (Relobj::reloc_bases_): New data member.
3504         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3505         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3506         (Sized_relobj::incremental_relocs_scan): New function.
3507         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3508         (Sized_relobj::incremental_relocs_write): New function.
3509         (Sized_relobj::incremental_relocs_write_reltype): New function.
3510         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3511         incremental link.
3512         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3513         archives and object files elsewhere.
3514         (Add_symbols::run): Report object files here.
3515         (Finish_group::run): Report end of archive at end of group.
3516         * reloc.cc: Include layout.h, incremental.h.
3517         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3518         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3519         (Sized_relobj::incremental_relocs_scan): New function.
3520         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3521         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3522         (Sized_relobj::incremental_relocs_write): New function.
3523         (Sized_relobj::incremental_relocs_write_reltype): New function.
3524         * script.cc (read_input_script): Rewrite test for incremental link.
3525         Change call to Incremental_inputs::report_script.
3526         * symtab.h (Symbol_table::first_global_index): New function.
3527         (Symbol_table::output_count): New function.
3528
3529 2010-08-12  Doug Kwan  <dougkwan@google.com>
3530
3531         * arm.cc (Target_arm::merge_object_attributes): Check command line
3532         options --no-wchar-size-warning and --no-enum-size-warning.
3533         * options.h (General_options): Add ld-compatible options
3534         --no-enum-size-warning and --no-wchar-size-warning.
3535
3536 2010-08-04  Ian Lance Taylor  <iant@google.com>
3537
3538         * x86_64.cc (Target_x86_64::Scan::local): Use
3539         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3540         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3541         (Target_x86_64::Scan::global): Likewise.
3542         (Target_x86_64::Relocate::relocate): Likewise.
3543         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3544         Likewise.
3545
3546 2010-08-03  Cary Coutant  <ccoutant@google.com>
3547
3548         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3549         to reserve space in merged_strings vector. Keep total input size
3550         for stats.
3551         (Output_merge_string::do_print_merge_stats): Print total input size.
3552         * merge.h (Output_merge_string): Add input_size_ field.
3553         * stringpool.cc (Stringpool_template::string_length): Move
3554         implementations out of Stringpool_template class and place in
3555         stringpool.h.
3556         * stringpool.h (string_length): Move out of Stringpool_template.
3557
3558 2010-08-03  Ian Lance Taylor  <iant@google.com>
3559
3560         PR 11712
3561         * layout.cc (relaxation_loop_body): If address of load segment is
3562         set, adjust address to include headers if possible.
3563
3564 2010-08-03  Ian Lance Taylor  <iant@google.com>
3565
3566         * version.cc (version_string): Bump to 1.10.
3567
3568 2010-08-03  Ian Lance Taylor  <iant@google.com>
3569
3570         PR 11805
3571         * layout.h (enum Output_section_order): Define.
3572         (class Layout): Update declarations.
3573         * layout.cc (Layout::get_output_section): Add order parameter.
3574         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3575         is_first_non_relro parameters.  Change all callers.
3576         (Layout::choose_output_section): Likewise.
3577         (Layout::add_output_section_data): Likewise.
3578         (Layout::make_output_section): Likewise.  Set order.
3579         (Layout::default_section_order): New function.
3580         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3581         * output.cc (Output_section::Output_section): Initialize order_.
3582         Don't initialize deleted fields.
3583         (Output_segment::Output_segment): Don't initialize deleted
3584         fields.
3585         (Output_segment::add_output_section_to_load): New function
3586         replacing add_output_section.  Change all callers to call this or
3587         add_output_section_to_nonload.
3588         (Output_segment::add_output_section_to_nonload): New function.
3589         (Output_segment::remove_output_section): Rewrite.
3590         (Output_segment::add_initial_output_data): Likewise.
3591         (Output_segment::has_any_data_sections): Likewise.
3592         (Output_segment::is_first_section_relro): Likewise.
3593         (Output_segment::maximum_alignment): Likewise.
3594         (Output_segment::has_dynamic_reloc): New function replacing
3595         dynamic_reloc_count.  Change all callers.
3596         (Output_segment::has_dynamic_reloc_list): New function replacing
3597         dynamic_reloc_count_list.  Change all callers.
3598         (Output_segment::set_section_addresses): Rewrite.
3599         (Output_segment::set_offset): Rewrite.
3600         (Output_segment::find_first_and_last_list): Remove.
3601         (Output_segment::set_tls_offsets): Rewrite.
3602         (Output_segment::first_section_load_address): Likewise.
3603         (Output_segment::output_section_count): Likewise.
3604         (Output_segment::section_with_lowest_load_address): Likewise.
3605         (Output_segment::write_section_headers): Likewise.
3606         (Output_segment::print_sections_to_map): Likewise.
3607         * output.h (class Output_data): Remove dynamic_reloc_count_
3608         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3609         (Output_data::add_dynamic_reloc): Rewrite.
3610         (Output_data::has_dynamic_reloc): New function.
3611         (Output_data::dynamic_reloc_count): Remove.
3612         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3613         is_last_relro_, is_first_non_relro_, is_interp_,
3614         is_dynamic_linker_section_ fields.  Add order and set_order
3615         functions.  Remove is_relro_local, set_is_relro_local,
3616         is_last_relro, set_is_last_relro, is_first_non_relro,
3617         set_is_first_non_relro functions, is_interp, set_is_interp,
3618         is_dynamic_linker_section, and set_is_dynamic_linker_section
3619         functions.
3620         (class Output_segment): Change Output_data_list from std::list to
3621         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3622         output_bss_ fields.  Update declarations.
3623
3624 2010-08-02  Ian Lance Taylor  <iant@google.com>
3625
3626         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3627         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3628         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3629
3630 2010-08-02  Ian Lance Taylor  <iant@google.com>
3631
3632         PR 11855
3633         * script.cc (Script_options::Script_options): Initialize
3634         symbol_definitions_ and symbol_references_.
3635         (Script_options::add_symbol_assignment): Update
3636         symbol_definitions_ and symbol_references_.
3637         (Script_options::add_symbol_reference): New function.
3638         (script_symbol): New function.
3639         * script.h (class Script_options): Add symbol_definitions_ and
3640         symbol_references_ fields.
3641         (Script_options::referenced_const_iterator): New type.
3642         (Script_options::referenced_begin): New function.
3643         (Script_options::referenced_end): New function.
3644         (Script_options::is_referenced): New function.
3645         (Script_options::any_unreferenced): New function.
3646         * script-c.h (script_symbol): Declare.
3647         * yyscript.y (exp): Call script_symbol.
3648         * symtab.cc: Include "script.h".
3649         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3650         Change all callers.  Check symbols referenced by scripts.
3651         (Symbol_table::add_undefined_symbols_from_command_line): Add
3652         layout parameter.  Change all callers.
3653         (Symbol_table::do_add_undefined_symbols_from_command_line):
3654         Likewise.  Break out loop body.  Check symbols referenced by
3655         scripts.
3656         (Symbol_table::add_undefined_symbol_from_command_line): New
3657         function broken out of
3658         do_add_undefined_symbols_from_command_line.
3659         * symtab.h (class Symbol_table): Update declarations.
3660         * archive.cc: Include "layout.h".
3661         (Archive::should_include_member): Add layout parameter.  Change
3662         all callers.  Check for symbol mentioned in expression.
3663         * archive.h (class Archive): Update declaration.
3664         * object.cc (Sized_relobj::do_should_include_member): Add layout
3665         parameter.
3666         * object.h (Object::should_include_member): Add layout parameter.
3667         Change all callers.
3668         (Object::do_should_include_member): Add layout parameter.
3669         (class Sized_relobj): Update declaration.
3670         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3671         parameter.
3672         * dynobj.h (class Sized_dynobj): Update declaration.
3673         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3674         layout parameter.
3675         * plugin.h (class Sized_pluginobj): Update declaration.
3676
3677 2010-08-02  Ian Lance Taylor  <iant@google.com>
3678
3679         PR 11866
3680         * output.cc (Output_segment::set_offset): Search for the first and
3681         last sections rather than assuming that the list is in order.
3682         (Output_segment::find_first_and_last_list): New function.
3683         * output.h (class Output_segment): Update declarations.
3684         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3685         (relro_strip_test_SOURCES): New variable.
3686         (relro_strip_test_DEPENDENCIES): New variable.
3687         (relro_strip_test_LDFLAGS): New variable.
3688         (relro_strip_test_LDADD): New variable.
3689         (relro_strip_test.so): New target.
3690
3691 2010-08-02  Ian Lance Taylor  <iant@google.com>
3692
3693         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3694         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3695         (Target_i386::got_tlsdesc_section): New function.
3696         (Target_i386::got_section): Create space for GOT entries for
3697         TLSDESC relocations.
3698         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3699         R_386_TLS_GOTDESC.
3700         (Target_i386::Scan::global): Likewise.
3701         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3702         using TLSDESC GOT.
3703         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3704         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3705         (Target_x86_64::got_tlsdesc_section): New function.
3706         (Target_x86_64::got_section): Create space for GOT entries for
3707         TLSDESC relocations.
3708         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3709         R_386_TLS_GOTDESC.
3710         (Target_x86_64::Scan::global): Likewise.
3711         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3712         using TLSDESC GOT.
3713
3714 2010-08-02  Ian Lance Taylor  <iant@google.com>
3715
3716         * testsuite/final_layout.sh: Use dc to convert from hex to
3717         decimal.
3718
3719 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3720
3721         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3722         paramter to the call to gold::gc_process_relocs.
3723         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3724         paramter to the call to gold::gc_process_relocs.
3725         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3726         parameter to the call to gold::gc_process_relocs.
3727         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3728         template parameter to the call to gold::gc_process_relocs.
3729         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3730         paramter to the call to gold::gc_process_relocs.
3731         * gc.h (get_embedded_addend_size): New function.
3732         (gc_process_relocs): Save the size of the reloc for use by ICF.
3733         * icf.cc (get_section_contents): Get the addend from the text section
3734         for SHT_REL relocation sections.
3735         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3736         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3737         * int_encoding.h (read_from_pointer): New overloaded function.
3738         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3739         * testsuite/icf_sht_rel_addend_test.sh: New file.
3740         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3741         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3742
3743 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3744
3745         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3746         * Makefile.in: Regenerate.
3747         * testsuite/Makefile.in: Regenerate.
3748
3749 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3750
3751         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3752         * gold/testsuite/debug_msg.cc: Likewise.
3753         * gold/testsuite/odr_violation1.cc
3754         * gold/testsuite/odr_violation2.cc
3755
3756 2010-07-21  Cary Coutant  <ccoutant@google.com>
3757
3758         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3759         string, and length fields.
3760         (Output_merge_string::Merged_strings_list): New type.
3761         (Output_merge_string::Merged_strings_lists): New typedef.
3762         (Output_merge_string): Replace merged_strings_ with
3763         merged_strings_lists_.
3764         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3765         Merged_strings_list per input object and section.  Don't store pointer
3766         to the string.  Don't store length with each merged string entry.
3767         (Output_merge_string::finalize_merged_data): Loop over list of merged
3768         strings lists.  Recompute length of each merged string.
3769
3770 2010-07-15  Cary Coutant  <ccoutant@google.com>
3771
3772         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3773         here.
3774
3775 2010-07-14  Ian Lance Taylor  <iant@google.com>
3776
3777         * descriptors.cc (Descriptors::open): Report correct name in error
3778         message.
3779
3780 2010-07-13  Doug Kwan  <dougkwan@google.com>
3781
3782         * arm.cc (Arm_input_section::Arm_input_section): For a
3783         SHT_ARM_EXIDX section, always keeps the input sections.
3784         (Arm_input_section::set_exidx_section_link): New method.
3785         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3786         has_errors_ to false.
3787         (Arm_exidx_input_section::has_errors,
3788         Arm_exidx_input_section::set_has_errors): New methods.
3789         (Arm_exidx_input_section::has_errors_): New data member.
3790         (Arm_relobj::get_exidx_shndx_list): New method.
3791         (Arm_output_section::append_text_sections_to_list): Do not skip
3792         section without SHF_EXECINSTR.
3793         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3794         errors.
3795         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3796         section header.  Make error messages more verbose.  Check for
3797         a non-executable section linked to an EXIDX section.
3798         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3799         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3800         check that there is no deferred EXIDX section if we exit early.
3801         Instead of not making an EXIDX section in case of an error, make one
3802         and set the has_errors flag of it.
3803         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3804         in a relocatable link.
3805         (Target_arm::do_relax): Look for the EXIDX output section instead of
3806         assuming that it is called .ARM.exidx.
3807         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3808         section list.  Do not check for SHF_EXECINSTR section flags but
3809         skip any input section with errors.
3810         * output.cc (Output_section::Output_section): Initialize
3811         always_keeps_input_sections_ to false.
3812         (Output_section::add_input_section): Check for
3813         always_keeps_input_sections_.
3814         *  output.h (Output_section::always_keeps_input_sections,
3815         Output_section::set_always_keeps_input_sections): New methods.
3816         (Output_section::always_keeps_input_sections): New data member.
3817
3818 2010-07-13  Rafael Espindola  <espindola@google.com>
3819
3820         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3821         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3822
3823 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3824             Ian Lance Taylor  <iant@google.com>
3825
3826         * output.h (Output_section_lookup_maps::add_merge_section):
3827         Correct check of whether value was inserted.
3828         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3829         (Output_section_lookup_maps::add_relaxed_input_section):
3830         Likewise.
3831         * arm.cc (Target_arm::got_section): Remove used local os.
3832         * i386.cc (Target_i386::got_section): Likewise.
3833         * x86_64.cc (Target_x86_64::got_section): Likewise.
3834         * sparc.cc (Target_sparc::got_section): Likewise.
3835         (Target_sparc::relocate): Remove unused local have_got_offset.
3836         * powerpc.cc (Target_powerpc::relocate): Likewise.
3837
3838 2010-07-13  Ian Lance Taylor  <iant@google.com>
3839
3840         * compressed_output.cc (zlib_decompress): Fix signature in
3841         !HAVE_ZLIB_H case.
3842
3843         * archive.cc (Archive::include_member): Unlock an external member
3844         of a thin archive.  Don't bother to delete an object we know is
3845         NULL.
3846
3847 2010-07-12  Cary Coutant  <ccoutant@google.com>
3848
3849         * compressed_output.cc (zlib_decompress): New function.
3850         (get_uncompressed_size): New function.
3851         (decompress_input_section): New function.
3852         * compressed_output.h (get_uncompressed_size): New function.
3853         (decompress_input_section): New function.
3854         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3855         Handle compressed debug sections.
3856         * layout.cc (is_compressed_debug_section): New function.
3857         (Layout::output_section_name): Map compressed section names to
3858         canonical names.
3859         * layout.h (is_compressed_debug_section): New function.
3860         (is_debug_info_section): Recognize compressed debug sections.
3861         * merge.cc: Include compressed_output.h.
3862         (Output_merge_data::do_add_input_section): Handle compressed
3863         debug sections.
3864         (Output_merge_string::do_add_input_section): Handle compressed
3865         debug sections.
3866         * object.cc: Include compressed_output.h.
3867         (Sized_relobj::Sized_relobj): Initialize new data members.
3868         (build_compressed_section_map): New function.
3869         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3870         * object.h (Object::section_is_compressed): New method.
3871         (Object::do_section_is_compressed): New method.
3872         (Sized_relobj::Compressed_section_map): New type.
3873         (Sized_relobj::do_section_is_compressed): New method.
3874         (Sized_relobj::compressed_sections_): New data member.
3875         * output.cc (Output_section::add_input_section): Handle compressed
3876         debug sections.
3877         * reloc.cc: Include compressed_output.h.
3878         (Sized_relobj::write_sections): Handle compressed debug sections.
3879
3880 2010-07-08  Cary Coutant  <ccoutant@google.com>
3881
3882         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3883         weak when resolving to a dynamic def.
3884         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3885         for weak undef/dynamic def cases. Adjust callers.
3886         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3887         undef_binding_weak_.
3888         (Symbol_table::sized_write_globals): Adjust symbol binding.
3889         (Symbol_table::sized_write_symbol): Add binding parameter.
3890         * symtab.h (Symbol::set_undef_binding): New method.
3891         (Symbol::is_undef_binding_weak): New method.
3892         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3893         (Symbol_table::should_override): Add new parameter.
3894         (Symbol_table::sized_write_symbol): Add new parameter.
3895
3896         * testsuite/weak_undef_file1.cc: Add new test case.
3897         * testsuite/weak_undef_file2.cc: Fix header comment.
3898         * testsuite/weak_undef_test.cc: Add new test case.
3899
3900 2010-06-29  Doug Kwan  <dougkwan@google.com>
3901
3902         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3903         Initialize USE_SYMBOL_.
3904         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3905         definition.
3906         (Arm_reloc_property::uses_symbol_): New data member declaration.
3907         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3908         uses symbol value and symbol is undefined but not weakly undefined.
3909
3910 2010-06-28  Rafael Espindola  <espindola@google.com>
3911
3912         * plugin.cc (Plugin::load): Use dlerror.
3913
3914 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3915
3916         * symtab.cc (detect_odr_violations): When reporting an ODR
3917         violation, report an object where the symbol is defined.
3918
3919 2010-06-25  Doug Kwan  <dougkwan@google.com>
3920
3921         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3922         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3923         definition.
3924         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3925         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3926         target hook to detect function points.
3927         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3928         * icf.h (Icf::check_section_for_function_pointers): Change type of
3929         parameter SECTION_NAME to const reference to std::string.  Use
3930         target hook to determine if section may have unsafe pointers.
3931         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3932         method definition.
3933
3934 2010-06-21  Rafael Espindola  <espindola@google.com>
3935
3936         * fileread.cc (Input_file::find_fie): New
3937         (Input_file::open): Use Input_file::find_fie.
3938         * fileread.h (Input_file::find_fie): New
3939         * plugin.cc (set_extra_library_path): New.
3940         (Plugin::load): Add set_extra_library_path to the transfer vector.
3941         (Plugin_manager::set_extra_library_path): New.
3942         (Plugin_manager::add_input_file): Use the extra search path if set.
3943         (set_extra_library_path(): New.
3944         * plugin.h (Plugin_manager): Add set_extra_library_path and
3945         extra_search_path_.
3946
3947 2010-06-19  Cary Coutant  <ccoutant@google.com>
3948
3949         * layout.cc (gdb_sections): Add .debug_types.
3950         (lines_only_debug_sections): Likewise.
3951
3952 2010-06-18  Rafael Espindola  <espindola@google.com>
3953
3954         * plugin.cc (add_input_file,add_input_library)
3955         (Plugin_manager::add_input_file): Make filename arguments const.
3956         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3957         const.
3958
3959 2010-06-16  Doug Kwan  <dougkwan@google.com>
3960
3961         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3962         .ARM.attributes section if we have not merged any input
3963         attributes sections.
3964
3965 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3966
3967         * arm.cc: Allow combining objects with no EABI version
3968         information.
3969
3970 2010-06-15  Rafael Espindola  <espindola@google.com>
3971
3972         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3973
3974 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3975
3976         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3977         (struct iovec): Correct !HAVE_READV definition.
3978
3979 2010-06-10  Cary Coutant  <ccoutant@google.com>
3980
3981         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3982         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3983         reloc sections.
3984         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3985
3986         PR 11683
3987         * symtab.h (Symbol::is_placeholder): New member function.
3988         * target-reloc.h (relocate_section): Check for placeholder symbols.
3989
3990         * testsuite/Makefile.am (plugin_test_8): New test.
3991         (plugin_test_9): New test.
3992         * testsuite/Makefile.in: Regenerate.
3993
3994 2010-06-09  Nick Clifton  <nickc@redhat.com>
3995
3996         * yyscript.y (input_list_element): Allow strings prefixed with
3997         the '-' character.  Treat these as libraries.
3998         * script.cc (script_add_library): New function.  Adds a library
3999         specified by "-l<name>" found in an input script.
4000         * script-c.h: Add prototype for script_add_library.
4001
4002 2010-06-07  Doug Kwan  <dougkwan@google.com>
4003
4004         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4005         Restrict stub-group size to be within long conditional branch
4006         range when working around cortex-A8 erratum.
4007
4008 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4009
4010         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4011         #ifdef typo.
4012
4013 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4014
4015         PR gold/11658
4016         * output.cc
4017         (Output_section::Input_section_sort_entry::compare_section_ordering):
4018         Change to return non-zero correctly.
4019         (Output_section::Input_section_sort_section_order_index_compare
4020         ::operator()): Change to fix ambiguity in comparisons.
4021
4022 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4023
4024         * gold.h (is_wildcard_string): New function.
4025         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4026         (Layout::layout_eh_frame): Ditto.
4027         (Layout::find_section_order_index): New method.
4028         (Layout::read_layout_from_file): New method.
4029         * layout.h (Layout::find_section_order_index): New method.
4030         (Layout::read_layout_from_file): New method.
4031         (Layout::input_section_position_): New private member.
4032         (Layout::input_section_glob_): New private member.
4033         * main.cc (main): Call read_layout_from_file here.
4034         * options.h (--section-ordering-file): New option.
4035         * output.cc (Output_section::input_section_order_specified_): New
4036         member.
4037         (Output_section::Output_section): Initialize new member.
4038         (Output_section::add_input_section): Add new parameter.
4039         Keep input sections when --section-ordering-file is used.
4040         (Output_section::set_final_data_size): Sort input sections when
4041         section ordering file is specified.
4042         (Output_section::Input_section_sort_entry): Add new parameter.
4043         Check sorting type.
4044         (Output_section::Input_section_sort_entry::compare_section_ordering):
4045         New method.
4046         (Output_section::Input_section_sort_compare::operator()): Change to
4047         consider section_order_index.
4048         (Output_section::Input_section_sort_init_fini_compare::operator()):
4049         Change to consider section_order_index.
4050         (Output_section::Input_section_sort_section_order_index_compare
4051         ::operator()): New method.
4052         (Output_section::sort_attached_input_sections): Change to sort
4053         according to section order when specified.
4054         (Output_section::add_input_section<32, true>): Add new parameter.
4055         (Output_section::add_input_section<64, true>): Add new parameter.
4056         (Output_section::add_input_section<32, false>): Add new parameter.
4057         (Output_section::add_input_section<64, false>): Add new parameter.
4058         * output.h (Output_section::add_input_section): Add new parameter.
4059         (Output_section::input_section_order_specified): New
4060         method.
4061         (Output_section::set_input_section_order_specified): New method.
4062         (Input_section::Input_section): Initialize section_order_index_.
4063         (Input_section::section_order_index): New method.
4064         (Input_section::set_section_order_index): New method.
4065         (Input_section::section_order_index_): New member.
4066         (Input_section::Input_section_sort_section_order_index_compare): New
4067         struct.
4068         (Output_section::input_section_order_specified_): New member.
4069         * script-sections.cc (is_wildcard_string): Delete and move modified
4070         method to gold.h.
4071         (Output_section_element_input::Output_section_element_input): Modify
4072         call to is_wildcard_string.
4073         (Output_section_element_input::Input_section_pattern
4074         ::Input_section_pattern): Ditto.
4075         (Output_section_element_input::Output_section_element_input): Ditto.
4076         * testsuite/Makefile.am (final_layout): New test case.
4077         * testsuite/Makefile.in: Regenerate.
4078         * testsuite/final_layout.cc: New file.
4079         * testsuite/final_layout.sh: New file.
4080
4081 2010-06-01  Rafael Espindola  <espindola@google.com>
4082
4083         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4084
4085 2010-06-01  Rafael Espindola  <espindola@google.com>
4086
4087         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4088         visibility of symbols.
4089
4090 2010-05-27  Doug Kwan  <dougkwan@google.com>
4091
4092         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4093         from start of output section instead of address for a local symbol
4094         in a merged or relaxed section when doing a relocatable link.
4095
4096 2010-05-26  Rafael Espindola  <espindola@google.com>
4097
4098        PR 11604
4099         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4100         adding sections the garbage collector removed.
4101         * gold/testsuite/Makefile.am: Add test.
4102         * gold/testsuite/Makefile.in: Regenerate.
4103         * gold/testsuite/plugin_test_7.sh: New.
4104         * gold/testsuite/plugin_test_7_1.c: New.
4105         * gold/testsuite/plugin_test_7_2.c: New.
4106
4107 2010-05-26  Rafael Espindola  <espindola@google.com>
4108
4109         * script-sections.cc (Output_section_definition::set_section_addresses):
4110         Check for --section-start.
4111
4112 2010-05-26  Doug Kwan  <dougkwan@google.com>
4113
4114         * arm.cc (Arm_scan_relocatable_relocs): New class.
4115         (Target_arm::relocate_special_relocatable): New method.
4116         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4117         (Arm_relocate_functions::thumb_branch_common): Same.
4118         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4119         instead of Default_scan_relocatable_relocs.
4120         * target-reloc.h (relocate_for_relocatable): Let target handle
4121         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4122         * target.h (Sized_target::relocate_special_relocatable): New method.
4123
4124 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4125
4126         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4127
4128 2010-05-23  Doug Kwan  <dougkwan@google.com>
4129
4130         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4131         instead of a cast.
4132         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4133         with a direct branch, not a conditional branch, to a stub.
4134         * merge.cc (Output_merge_base::record_input_section): New method
4135         defintion.
4136         (Output_merge_data::do_add_input_section): Record input section if
4137         keeps-input-sections flag is set.
4138         (Output_merge_string::do_add_input_section): Ditto.
4139         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4140         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4141         INPUT_SECTIONS_.
4142         (Output_merge_base::keeps_input_sections,
4143         Output_merge_base::set_keeps_input_sections,
4144         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4145         method definitions.
4146         (Output_merge_base::Input_sections): New type declaration.
4147         (Output_merge_base::input_sections_begin,
4148         Output_merge_base::input_sections_end,
4149         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4150         (Output_merge_base::bool keeps_input_sections_,
4151         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4152         Output_merge_base::input_sections_): New data members.
4153         (Output_merge_data::do_set_keeps_input_sections): New method
4154         defintion.
4155         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4156         * output.cc (Output_section::Input_section::relobj): Move method
4157         defintion from class declaration to here and handle merge sections.
4158         (Output_section::Input_section::shndx): Ditto.
4159         (Output_section::Output_section): Remove initializations of removed
4160         data members and initialize new data member LOOKUP_MAPS_.
4161         (Output_section::add_input_section): Set keeps-input-sections flag
4162         for a newly created merge output section as appropriate.  Adjust code
4163         to use Output_section_lookup_maps class.
4164         (Output_section::add_relaxed_input_section): Adjst code for lookup
4165         maps code refactoring.
4166         (Output_section::add_merge_input_section): Add a new parameter
4167         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4168         class.  If adding input section to a newly created merge output
4169         section fails, remove the new merge section.
4170         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4171         Adjust code for use of the Output_section_lookup_maps class.
4172         (Output_section::find_merge_section): Ditto.
4173         (Output_section::build_lookup_maps): New method defintion.
4174         (Output_section::find_relaxed_input_section): Adjust code to use
4175         Output_section_lookup_maps class.
4176         (Output_section::get_input_sections): Export merge sections.  Adjust
4177         code to use Output_section_lookup_maps class.
4178         (Output_section:::add_script_input_section): Adjust code to use
4179         Output_section_lookup_maps class.  Update lookup maps for merge
4180         sections also.
4181         (Output_section::discard_states): Use Output_section_lookup_maps.
4182         (Output_section::restore_states): Same.
4183         * output.h (Merge_section_properties): Move class defintion out of
4184         Output_section.
4185         (Output_section_lookup_maps): New class.
4186         (Output_section::Input_section::is_merge_section): New method
4187         defintion.
4188         (Output_section::Input_section::relobj): Move defintion out of class
4189         defintion.  Declare method only.
4190         (Output_section::Input_section::shndx): Ditto.
4191         (Output_section::Input_section::output_merge_base): New method defintion.
4192         (Output_section::Input_section::u2_.pomb): New union field.
4193         (Output_section::Merge_section_by_properties_map,
4194         Output_section::Output_section_data_by_input_section_map,
4195         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4196         Remove types.
4197         (Output_section::add_merge_input_section): Add new parameter
4198         KEEPS_INPUT_SECTIONS.
4199         (Output_section::build_lookup_maps): New method declaration.
4200         (Output_section::merge_section_map_,
4201         Output_section::merge_section_by_properties_map_,
4202         Output_section::relaxed_input_section_map_,
4203         Output_section::is_relaxed_input_section_map_valid_): Remove data
4204         members.
4205         (Output_section::lookup_maps_): New data member.
4206
4207 2010-05-21  Doug Kwan  <dougkwan@google.com>
4208
4209         PR gold/11619
4210         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4211         avoid a compilation error.
4212
4213 2010-05-19  Rafael Espindola  <espindola@google.com>
4214
4215         * script-sections.cc (Output_section_definition::allocate_to_segment):
4216         Update the phdrs_list even when the output section is NULL.
4217         * testsuite/Makefile.am: Add test.
4218         * testsuite/Makefile.in: Regenerate.
4219         * testsuite/script_test_9.cc: New.
4220         * testsuite/script_test_9.sh: New.
4221         * testsuite/script_test_9.t: New.
4222
4223 2010-05-19  Doug Kwan  <dougkwan@google.com>
4224
4225         * arm.cc (Arm_input_section::original_size): New method.
4226         (Arm_input_section::do_addralign): Add a cast.
4227         (Arm_input_section::do_output_offset): Remove static cast.
4228         (Arm_input_section::original_addralign,
4229          Arm_input_section::original_size_): Change type to uint32_t.
4230         (Arm_input_section::init): Add safe casts for section alignment
4231         and size.
4232         (Arm_input_section::set_final_data_size): Do not set address and
4233         offset of stub table.
4234         (Arm_output_section::fix_exidx_coverage): Change use of of
4235         Output_section::Simple_input_section to that of
4236         Output_section::Input_section.
4237         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4238         except for the first pass.
4239         * output.cc (Output_section::get_input_sections): Change type of
4240         input_sections to std::list<Input_section>.
4241         (Output_section::add_script_input_section): Rename from
4242         Output_section::add_simple_input_section.  Change type of SIS
4243         parameter from Simple_input_section to Input_section.
4244         * output.h (Output_section::Simple_input_section): Remove class.
4245         (Output_section::Input_section): Change class visibility to public.
4246         (Output_section::Input_section::addralign): Use stored alignments
4247         for special input sections if set.
4248         (Output_section::Input_section::set_addralign): New method.
4249         (Output_section::get_input_sections): Change parameter type from
4250         list of Simple_input_section to list of Input_section.
4251         (Output_section::add_script_input_section): Rename from
4252         Output_section::add_simple_input_section. Change first parameter's
4253         type from Simple_input_section to Input_section and remove the
4254         second and third parameters.
4255         * script-sections.cc (Input_section::Input_section_list): Change
4256         type to list of Output_section::Input_section/
4257         (Input_section_info::Input_section_info): Change parameter type of
4258         INPUT_SECTION to Output_section::Input_section.
4259         (Input_section_info::input_section): Change return type.
4260         (Input_section_info::input_section_): Change type to
4261         Output_section::Input_section.
4262         (Output_section_element_input::set_section_addresses): Adjust code
4263         to use Output_section::Input_section instead of
4264         Output_section::Simple_input_section.  Adjust code for renaming
4265         of Output_section::add_simple_input_section.
4266         (Orphan_output_section::set_section_addresses): Ditto.
4267
4268 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4269
4270         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4271         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4272
4273 2010-05-18  Rafael Espindola  <espindola@google.com>
4274
4275         * options.cc (General_options::finalize): Handle -nostdlib.
4276         * options.h (nostdlib): New option.
4277         * script.cc (script_add_search_dir): Handle -nostdlib.
4278
4279 2010-05-12  Doug Kwan  <dougkwan@google.com>
4280
4281         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4282         attributes section only if there no attributes section after merging.
4283         (Target_arm::merge_object_attributes): Move value of
4284         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4285         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4286         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4287         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4288         and arm_attr_merge_7.stdout.
4289         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4290         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4291         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4292         arm_attr_merge_7b.o): New rules.
4293         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4294         arm_attr_merge_7
4295         * testsuite/Makefile.in: Regenerate.
4296         * testsuite/arm_attr_merge.sh: New file.
4297         * testsuite/arm_attr_merge_[67][ab].s: Same.
4298
4299 2010-05-05  Nick Clifton  <nickc@redhat.com>
4300
4301         * po/es.po: Updated Spanish translation.
4302
4303 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4304
4305         * Makefile.am (install-exec-local): Properly install gold as
4306         default cross linker.
4307         * Makefile.in: Regenerated.
4308
4309 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4310             Nick Clifton  <nickc@redhat.com>
4311
4312         * configure.ac (install_as_default): Define and set to false
4313         unless --enable-gold or --enable-gold=both/gold has been
4314         specified.
4315         * configure: Regenerate.
4316
4317         * Makefile.am (install-exec-local): Install the executable as
4318         'ld.gold'.  If install_as_default is true then also install it as
4319         'ld'.
4320         * Makefile.in: Regenerated.
4321
4322 2010-04-24  Ian Lance Taylor  <iant@google.com>
4323
4324         * layout.cc (Layout::layout_reloc): In relocatable link don't
4325         combine reloc sections for grouped sections.
4326
4327 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4328
4329         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4330         sections that are not ordinary to icf.
4331         * icf.cc (get_section_contents): Handle relocation pointing to section
4332         with no object or shndx information.
4333         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4334         * testsuite/Makefile.in: Regenerate.
4335         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4336         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4337
4338 2010-04-22  Ian Lance Taylor  <iant@google.com>
4339
4340         * expression.cc (Expression::Expression_eval_info): Add
4341         result_alignment_pointer field.
4342         (Expression::eval_with_dot): Add result_alignment_pointer
4343         parameter.  Change all callers.
4344         (Expression::eval_maybe_dot): Likewise.
4345         (class Binary_expression): Add alignment_pointer parameter to
4346         left_value and right_value.  Change all callers.
4347         (BINARY_EXPRESSION): Set result alignment.
4348         (class Trinary_expression): Add alignment_pointer parameter to
4349         arg2_value and arg3_value.  Change all callers.
4350         (Trinary_cond::value): Set result alignment.
4351         (Max_expression::value, Min_expression::value): Likewise.
4352         (Align_expression::value): Likewise.
4353         * script-sections.cc (class Sections_element): Add dot_alignment
4354         parameter to set_section_addresses virtual function.  Update
4355         instantiations.
4356         (class Output_section_element): Likewise.
4357         (Script_sections::create_segments): Add dot_alignment parameter.
4358         Change all callers.
4359         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4360         (Script_sections::set_phdrs_clause_addresses): Likewise.
4361         * script-sections.h: Update declarations.
4362         * script.h: Update declarations.
4363         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4364         min_p_align.
4365         * testsuite/script_test_3.t: Set large alignment.
4366         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4367         segment has expected alignment.
4368
4369 2010-04-22  Nick Clifton  <nickc@redhat.com>
4370
4371         * po/gold.pot: Updated by the Translation project.
4372         * po/vi.po: Updated Vietnamese translation.
4373
4374 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4375
4376         * testsuite/Makefile.am (check_PROGRAMS): Add
4377         icf_virtual_function_folding_test.
4378         * testsuite/Makefile.in: Regenerated.
4379
4380 2010-04-15  Andrew Haley  <aph@redhat.com>
4381
4382         * options.h (merge_exidx_entries): New option.
4383         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4384         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4385         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4386         (Target_arm::merge_exidx_entries): New function.
4387         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4388         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4389         to Arm_exidx_fixup constructor.
4390         Add new arg, merge_exidx_entries.
4391         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4392         Arm_output_section::fix_exidx_coverage.
4393
4394 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4395
4396         * icf.cc (get_section_contents): Check for preemptible functions.
4397         Ignore addend when appropriate.
4398         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4399         section folded.
4400         (add_from_relobj): Check for section folded.
4401         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4402         * symtab.h (should_add_dynsym_entry): Add new parameter.
4403         * target-reloc.h (scan_relocs): Check for section folded.
4404         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4405         Check reloc types for function pointers in shared objects.
4406         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4407         case.
4408         (icf_preemptible_functions_test): New test case.
4409         (icf_string_merge_test): New test case.
4410         * testsuite.Makefile.in: Regenerate.
4411         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4412         bar_glob.  Refactor code.
4413         * testsuite/icf_preemptible_functions_test.cc: New file.
4414         * testsuite/icf_preemptible_functions_test.sh: New file.
4415         * testsuite/icf_string_merge_test.cc: New file.
4416         * testsuite/icf_string_merge_test.sh: New file.
4417         * testsuite/icf_virtual_function_folding_test.cc: New file.
4418         * testsuite/icf_virtual_function_folding_test.sh: New file.
4419
4420 2010-04-14  Doug Kwan  <dougkwan@google.com>
4421
4422         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4423         for local symbol recounting if we remove a section due to ICF.
4424         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4425         there are no regular objects in input.
4426
4427 2010-04-13  Doug Kwan  <dougkwan@google.com>
4428
4429         * arm.cc (Arm_input_section::set_final_data_size): Compute
4430         accurate final data size instead of using current data size.
4431
4432 2010-04-09  Doug Kwan  <dougkwan@google.com>
4433
4434         * layout.cc (Layout::choose_output_section): Handle script section
4435         types.
4436         (Layout::make_output_section_for_script): Add section type parameter.
4437         Handle script section types.
4438         * layout.h (Layout::make_output_section_for_script): Add section
4439         type parameter.
4440         * output.cc (Output_section::Output_section): Initialize data member
4441         is_noload_.
4442         (Output_section::do_reset_address_and_file_offset): Do not set address
4443         to 0 if section is a NOLOAD section.
4444         * output.h (Output_section::is_noload): New method.
4445         (Output_section::set_is_noload): Ditto.
4446         (Output_section::is_noload_): New data member.
4447         * script-c.h (Script_section_type): New enum type.
4448         (struct Parser_output_section_header): Add new file section_type.
4449         * script-sections.cc (Sections_element::output_section_name): Add
4450         parameter for returning script section type.
4451         (Output_section_definition::output_section_name): Ditto.
4452         (Output_section_definition::section_type)P; New method.
4453         (Output_section_definiton::script_section_type_name): Ditto.
4454         (Output_section_definition::script_section_type_): New data member.
4455         (Output_section_definition::Output_section_definition): Initialize
4456         data member Output_section_definition::script_section_type_.
4457         (Output_section_definition::create_sections): Pass script section type
4458         to Layout::make_output_section_for_script.
4459         (Output_section_definition::output_section_name): Return script
4460         section type to caller.
4461         (Output_section_definition::set_section_address): Do not advance
4462         dot value and load address if section type is NOLOAD.  Set address
4463         of NOLOAD sections regardless of section flags.
4464         (Output_section_definition::print): Print section type if it is
4465         not SCRIPT_SECTION_TYPE_NONE.
4466         (Output_section_definition::section_type): New method.
4467         (Output_section_definition::script_section_type_name): Ditto.
4468         (Script_sections::output_section_name): Add new parameter
4469         PSECTION_TYPE for returning script section type.  Pass it to
4470         section elements.  Handle discard sections.
4471         (Sort_output_sections::operator()): Handle NOLOAD sections.
4472         * script-sections.h (Script_sections::Section_type): New enum type.
4473         (Script_sections::output_section_name): Add a new parameter for
4474         returning script section type.
4475         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4476         INFO and NOLOAD.
4477         * yyscript.y (union): Add new field SECTION_TYPE.
4478         (COPY, DSECT, INFO, NOLOAD): New tokens.
4479         (opt_address_and_section_type): Change type to output_section_header.
4480         (section_type): New non-terminal
4481         (section_header): Handle section type.
4482         (opt_address_and_section_type): Return section type value.
4483
4484 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4485
4486         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4487         * testsuite/plugin_common_test_2.c (foo): Likewise.
4488
4489 2010-04-08  Doug Kwan  <dougkwan@google.com>
4490
4491         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4492         Output_merge_data.
4493         * output.cc (Output_section::add_merge_input_section): Simplify
4494         code and return status of Output_merge_base::add_input_section.
4495         Update merge section map only if Output_merge_base::add_input_section
4496         returns true.
4497
4498 2010-04-07  Doug Kwan  <dougkwan@google.com>
4499
4500         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4501         if section is marked as containing instructions but has no mapping
4502         symbols.
4503         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4504         correct section index.
4505         (Arm_relobj::find_linked_text_section): Ditto.
4506
4507 2010-04-07  Cary Coutant  <ccoutant@google.com>
4508
4509         * archive.cc (include_member): Destroy Read_symbols_data object before
4510         releasing file.
4511         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4512         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4513         (Read_symbols_data::~Read_symbols_data) New destructor.
4514         (Section_relocs::Section_relocs) New constructor.
4515         (Section_relocs::~Section_relocs) New destructor.
4516         (Read_relocs_data::Read_relocs_data) New constructor.
4517         (Read_relocs_data::~Read_relocs_data) New destructor.
4518         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4519         pointers to NULL after deleting.
4520
4521 2010-04-07  Doug Kwan  <dougkwan@google.com>
4522
4523         * arm.cc: Replace "endianity" with "endianness" in comments.
4524         (Arm_exidx_cantunwind): Ditto.
4525         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4526         (Arm_relobj::merge_flags_and_attributes): New method.
4527         (Arm_relobj::merge_flags_and_attributes_): New data member.
4528         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4529         (Arm_relobj::scan_sections_for_stubs): Ditto.
4530         (Arm_relobj::do_read_symbols): Check to see if we really want to
4531         merge processor-specific flags and attributes.  Exit early if
4532         an object is empty except for section names and the undefined symbol.
4533         (Target_arm::do_finalize_sections): Move check for ELF format to
4534         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4535         attributes from a regular object only when we have determined that
4536         it is aapropriate.  Do not create an .ARM.attributes section in
4537         output if there is no regular input object.
4538         (Target_arm::merge_processor_specific_flags): Check
4539         --warn-mismatch before printing any error.
4540         (Target_arm::merge_object_attributes): Ditto.
4541         * gold.cc (queue_middle_tasks): Handle the case in which there is
4542         no regular object in input.
4543         * options.cc (General_options::parse_EB): New method.
4544         (General_options::parse_EL): Same.
4545         (General_options::General_options): Initialize endianness_.
4546         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4547         New options.
4548         (General_options::Endianness): New enum.
4549         (General_options::endianness): New method.
4550         (General_options::endianness_): New data member.
4551         * parameters.cc (Parameters::set_options): Check target endianness.
4552         (Parameters::set_target_once): Ditto.
4553         (Parameters::check_target_endianness): New method.
4554         (parameters_force_valid_target): If either -EL or -EB is specified,
4555         use it to define endianness of default target.
4556         * parameters.h (Parameters::check_target_endianness): New method
4557         declaration.
4558         * target.h (class Target): Change "endianity" to "endianness"
4559         in comments.
4560
4561 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4562
4563         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4564         * configure: Regenerate.
4565         * Makefile.in: Regenerate.
4566         * testsuite/Makefile.in: Regenerate.
4567
4568 2010-04-06  Cary Coutant  <ccoutant@google.com>
4569
4570         gcc PR lto/42757
4571         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4572         prevailing definitions of common symbols.
4573         * testsuite/plugin_test_6.sh: New test case.
4574         * testsuite/plugin_common_test_1.c: New test case.
4575         * testsuite/plugin_common_test_2.c: New test case.
4576         * testsuite/Makefile.am (plugin_test_6): New test case.
4577         * testsuite/Makefile.in: Regenerate.
4578
4579 2010-04-06  Nick Clifton  <nickc@redhat.com>
4580
4581         * po/vi.po: New Vietnamese translation.
4582
4583 2010-03-30  Doug Kwan  <dougkwan@google.com>
4584
4585         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4586
4587 2010-03-25  Doug Kwan  <dougkwan@google.com>
4588
4589         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4590         to avoid a conversion warning on a 32-bit host.
4591
4592 2010-03-24  Ian Lance Taylor  <iant@google.com>
4593
4594         * testsuite/script_test_3.t: Add a TLS segment.
4595         * testsuite/Makefile.am (check_PROGRAMS): Add
4596         tls_phdrs_script_test.
4597         (tls_phdrs_script_test_SOURCES): Define.
4598         (tls_phdrs_script_test_DEPENDENCIES): Define.
4599         (tls_phdrs_script_test_LDFLAGS): Define.
4600         (tls_phdrs_script_test_LDADD): Define.
4601         * testsuite/Makefile.in: Rebuild.
4602
4603 2010-03-23  Cary Coutant  <ccoutant@google.com>
4604
4605         * fileread.cc (find_or_make_view): Fix comment.
4606
4607 2010-03-23  Ian Lance Taylor  <iant@google.com>
4608
4609         * script-sections.cc (class Orphan_section_placement): Define
4610         PLACE_TLS and PLACE_TLS_BSS.
4611         (Orphan_section_placement::Orphan_section_placement): Initialize
4612         new places.
4613         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4614         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4615         (tls_script_test_SOURCES): Define.
4616         (tls_script_test_DEPENDENCIES): Define.
4617         (tls_script_test_LDFLAGS): Define.
4618         (tls_script_test_LDADD): Define.
4619         * testsuite/Makefile.in: Rebuild.
4620
4621 2010-03-22  Doug Kwan  <dougkwan@google.com>
4622
4623         * arm.cc (Arm_relocate_functions::abs8,
4624         Arm_relocate_functions::abs16): Use correct check for overflow
4625         specified in the ARM ELF specs.
4626         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4627         target of a BLX instruction specially.
4628         (Reloc_stub::stub_type_for_reloc): Ditto.
4629         (Relocate::relocate): Use symbolic names instead of numeric relocation
4630         codes to report error.
4631         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4632         workaround.
4633         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4634         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4635         thumb2_blx_out_of_range.stdout
4636         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4637         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4638         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4639         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4640         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4641         thumb2_blx_in_range, thumb2_blx_in_range.o,
4642         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4643         thumb2_blx_out_of_range.o): New rules.
4644         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4645         thumb2_blx_in_range and thumb2_blx_out_of_range.
4646         * testsuite/Makefile.in: Regenerate.
4647         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4648         * testsuite/thumb_blx_in_range.s: New file.
4649         * testsuite/thumb_blx_out_of_range.s: New file.
4650
4651 2010-03-22  Rafael Espindola  <espindola@google.com>
4652
4653         * archive.cc (Should_include): Move to archive.h.
4654         (should_include_member): Make it a member of Archive.
4655         (Lib_group): New.
4656         (Add_lib_group_symbols): New.
4657         * archive.h: Include options.h.
4658         (Archive_member): Moved from Archive.
4659         (Should_include): Moved from archive.cc.
4660         (Lib_group): New.
4661         (Add_lib_group_symbols): New.
4662         * dynobj.cc (do_should_include_member): New.
4663         * dynobj.h (do_should_include_member): New.
4664         * gold.cc (queue_initial_tasks): Update call to queue.
4665         * main.cc (main): Print lib group stats.
4666         * object.cc (do_should_include_member): New.
4667         * object.h: Include archive.h.
4668         (Object::should_include_member): New.
4669         (Object::do_should_include_member): New.
4670         (Sized_relobj::do_should_include_member): New.
4671         * options.cc (General_options::parse_start_lib): New.
4672         (General_options::parse_end_lib): New.
4673         (Input_arguments::add_file): Handle lib groups.
4674         (Input_arguments::start_group): Check we are not in a lib.
4675         (Input_arguments::start_lib): New.
4676         (Input_arguments::end_lib): New.
4677         * options.h (General_options): Add start_lib and end_lib.
4678         (Input_argument::lib_): New.
4679         (Input_argument::lib): New.
4680         (Input_argument::is_lib): New.
4681         (Input_file_lib): New.
4682         (Input_arguments::in_lib_): New.
4683         (Input_arguments::in_lib): New.
4684         (Input_arguments::start_lib): New.
4685         (Input_arguments::end_lib_): New.
4686         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4687         in unused members as preempted.
4688         (Sized_pluginobj::do_should_include_member): New.
4689         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4690         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4691         return the blocker.
4692         (Read_symbols::do_whole_lib_group): New.
4693         (Read_symbols::do_lib_group): New.
4694         (Read_symbols::do_read_symbols): Handle lib groups.
4695         (Read_symbols::get_name): Handle lib groups.
4696         * readsyms.h (Read_symbols): Add an archive member pointer.
4697         (Read_symbols::do_whole_lib_group): New.
4698         (Read_symbols::do_lib_group): New.
4699         (Read_symbols::member_): New.
4700         * script.cc (read_input_script): Update call to queue_soon.
4701
4702 2010-03-19  Doug Kwan  <dougkwan@google.com>
4703
4704         * arm.cc (Stub_table::Stub_table): Initialize new data members
4705         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4706         (Stub_table::add_reloc_stub): Assign stub offset and update
4707         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4708         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4709         New data members.
4710         (Stub_table::update_data_size_and_addralign): Use
4711         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4712         instead of going over all reloc stubs.
4713         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4714         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4715         Stringpool_template::offset_ to size of Stringpool_char.
4716         (Stringpool_template::new_key_offset): Remove code to initialize
4717         Stringpool_template::offset_.
4718         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4719         Stringpool_template::offset_ to zero.
4720
4721 2010-03-15  Doug Kwan  <dougkwan@google.com>
4722
4723         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4724         offset_.
4725         (Stringpool_template::new_key_offset): New method.
4726         (Stringpool_template::add_string): Assign offsets when adding new
4727         strings.
4728         (Stringpool_template::set_string_offsets): Do not set string offsets
4729         when not optimizing.
4730         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4731         member size_.
4732         (Chunked_vector::clear): Clear size_.
4733         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4734         (Chunked_vector::size): Return size_.
4735         (Chunked_vector::push_back): Use size_ to find insert position.
4736         (Chunked_vector::size_): New data member.
4737         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4738         (Stringpool_template::new_key_offset): New method declaration.
4739         (Stringpool_template::offset_): New data member.
4740
4741 2010-03-15   Rafael Espindola  <espindola@google.com>
4742
4743         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4744         Add_symbols' constructor.
4745         * readsyms.h (Add_symbols): Remove the input_group member.
4746
4747 2010-03-10  Ian Lance Taylor  <iant@google.com>
4748
4749         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4750         target to ask whether a reference to a symbol requires a stack
4751         split.
4752         * target.h (Target::is_call_to_non_split): New function.
4753         (Target::do_is_call_to_non_split): Declare virtual function.
4754         * target.cc: Include "symtab.h".
4755         (Target::do_is_call_to_non_split): New function.
4756         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4757
4758 2010-03-10  Cary Coutant  <ccoutant@google.com>
4759
4760         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4761         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4762         (File_read::open[2]): Add whole_file_view_ to list of views.
4763         (File_read::make_view): Remove test of whole_file_view_.
4764         (File_read::find_or_make_view): Create whole_file_view_ if
4765         necessary.
4766         (File_read::clear_views): Replace bool parameter with enum;
4767         adjust all callers.  Don't delete views with permanent data;
4768         do delete cached views and views from archives if
4769         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4770         if clearing the corresponding view.
4771         * fileread.h (File_read::Clear_views_mode): New enum.
4772         (File_read::View::is_permanent_view): New method.
4773         (File_read::clear_views): Replace bool parameter
4774         with enum; adjust all callers.
4775         * options.h (General_options): Change keep_files_mapped option;
4776         add map_whole_files.
4777         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4778         releasing the file.
4779         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4780         the file.
4781
4782 2010-03-10  David S. Miller  <davem@davemloft.net>
4783
4784         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4785
4786 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4787
4788         * icf.cc (get_section_contents): Add '@' marker after processing the
4789         merge reloc.
4790
4791 2010-03-08  Doug Kwan  <dougkwan@google.com>
4792
4793         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4794         due to a conversion warning.
4795         (Arm_relobj::update_output_local_symbol_count): Check for local
4796         symbol with unset output index.
4797
4798 2010-03-05  Ian Lance Taylor  <iant@google.com>
4799
4800         * options.h (class General_options): Add --spare-dynamic-tags.
4801         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4802         --spare-dynamic-tags.
4803
4804 2010-03-05  Ian Lance Taylor  <iant@google.com>
4805
4806         * incremental.cc: Include "libiberty.h".
4807
4808 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4809
4810         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4811         function, is_info_ member.
4812         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4813         (Versions::Versions): Update caller.
4814         (Versions::define_base_version): Likewise.
4815         (Versions::add_def): Likewise.
4816
4817 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4818
4819         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4820         (Scan::possible_function_pointer_reloc): New function.
4821         (Scan::local_reloc_may_be_function_pointer): Change to call
4822         possible_function_pointer_reloc.
4823         (Scan::global_reloc_may_be_function_pointer): Ditto.
4824         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4825         relocations in ".data.rel.ro._ZTV" section.
4826         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4827         * testsuite/icf_safe_so_test.cc: Ditto.
4828         * testsuite/icf_safe_test.cc: Ditto.
4829         * testsuite/icf_safe_test.sh: Ditto.
4830
4831 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4832             Ian Lance Taylor  <iant@google.com>
4833
4834         * target-reloc.h (relocate_section): Check the symbol table index
4835         for -1U before setting the local symbol index.
4836         (scan_relocatable_relocs): If copying the relocation, record that
4837         the local symbol is required.
4838         * object.h (Symbol_value::is_output_symtab_index_set): New
4839         function.
4840         (Symbol_value::may_be_discarded_from_output_symtab): New
4841         function.
4842         (Symbol_value::has_output_symtab_entry): New function.
4843         (Symbol_value::needs_output_symtab_entry): Remove.
4844         (Symbol_value::output_symtab_index): Make sure the symbol index is
4845         set.
4846         (Symbol_value::set_output_symtab_index): Make sure the symbol
4847         index is not set.  Make sure the new index is valid.
4848         (Symbol_value::set_must_have_output_symtab_entry): New function.
4849         (Symbol_value::has_output_dynsym_entry): New function.
4850         (Symbol_value::set_output_dynsym_index): Make sure the new index
4851         is valid.
4852         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4853         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4854         local symbol if permitted.
4855         (Sized_relobj::do_finalize_local_symbols): Call
4856         is_output_symtab_index_set rather than needs_output_symtab_entry.
4857         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4858         rather than needs_output_symtab_entry.  Call
4859         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4860         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4861         is_output_symtab_index_set rather than needs_output_symtab_entry.
4862         * testsuite/discard_locals_relocatable_test.c: New file.
4863         * testsuite/discard_locals_test.sh: Test -r.
4864         * testsuite/Makefile.am (check_DATA): Add
4865         discard_locals_relocatable_test1.syms,
4866         discard_local_relocatable_test2.syms.
4867         (MOSTLYCLEANFILES): Likewise.  Also add
4868         discard_locals_relocatable_test1.lout and
4869         discard_locals_relocatable_test2.out.
4870         (discard_locals_relocatable_test1.syms): New target.
4871         (discard_locals_relocatable_test.o): New target.
4872         (discard_locals_relocatable_test1.out): New target.
4873         (discard_locals_relocatable_test2.syms): New target.
4874         (discard_locals_relocatable_test2.out): New target.
4875         (various): Add missing ../ld-new dependencies.
4876         * testsuite/Makefile.in: Rebuild.
4877
4878 2010-03-03  Nick Clifton  <nickc@redhat.com>
4879
4880         * po/fi.po: New Finnish translation.
4881
4882 2010-03-01  Doug Kwan  <dougkwan@google.com>
4883
4884         * layout.cc (Layout::Layout): Force section types of .init_array*,
4885         .preinit_array* and .fini_array* sections.
4886         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4887         Fix check of return value of std::string::find.().
4888         (Output_section::Input_section_sort_compare::operator()): Remove
4889         comment about .init_array.
4890         (Output_section::Input_section_sort_init_fini_compare::operator()):
4891         New method.
4892         (Output_section::sort_attached_input_sections): Handle .init_array
4893         and .fini_array specially.
4894         * output.h (Output_section::Inut_section_sort_compare): Update
4895         comment.
4896         (Output_section::Input_section_sort_init_fini_compare): New struct.
4897
4898 2010-02-26  Doug Kwan  <dougkwan@google.com>
4899
4900         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4901         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4902         * testsuite/debug_msg.sh: Avoid matching source line number for
4903         use of global variable undef_int.
4904
4905 2010-02-26  Doug Kwan  <dougkwan@google.com>
4906
4907         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4908         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4909         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4910         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4911         * options.cc (General_options::General_options): Initialize member
4912         fix_v4bx_.
4913         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4914         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4915         and rm_no_fix_v4bx.stdout
4916         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4917         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4918         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4919         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4920         and arm_no_fix_v4bx.
4921         * Makefile.in: Regenerate.
4922         * testsuite/arm_fix_v4bx.s: New file.
4923         * testsuite/arm_fix_v4bx.sh: Ditto.
4924
4925 2010-02-24  Doug Kwan  <dougkwan@google.com>
4926
4927         * arm.cc (Target_arm::got_section): Make the .got section the first
4928         non RELRO section in the data segment.
4929         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4930         suffixes of section names.
4931
4932 2010-02-24  Doug Kwan  <dougkwan@google.com>
4933
4934         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4935         flags and attributes merging if an input file is a binary file.
4936         * fileread.cc (Input_file::open): Record format of original file.
4937         * fileread.h (Input_file::Format): New enum type.
4938         (Input_file::Input_file): Initialize data member format_.
4939         (Input_file::format): New method definition.
4940         (Input_file::format_):: New data member.
4941
4942 2010-02-24  Doug Kwan  <dougkwan@google.com>
4943
4944         * arm.cc (Arm_output_data_got): New class.
4945         (ARM_TCB_SIZE): New constant
4946         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4947         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4948         If user uses a script with a SECTIONS clause, issue only a warning
4949         for a misplaced EXIDX input section.  Otherwise, issue an error.
4950         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4951         garbage collection.
4952         (Target_arm::got_mode_index_entry): Handle static linking.
4953         (Target_arm::Scan::local): Ditto.
4954         (Target_arm::Scan::global): Ditto.
4955         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4956         all incorrectly implemented relocations.
4957         (Target_arm::fix_exidx_coverage): Pass layout to
4958         Arm_output_section::fix_exidx_coverage.
4959         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4960         from ".ARM.exidx." and ".ARM.extab.".
4961
4962 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4963
4964         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4965         section if it does not already exist.
4966         * attributes.cc (Attributes_section_data::Attributes_section_data):
4967         Don't crash if size is zero.
4968
4969 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4970             Ian Lance Taylor  <iant@google.com>
4971
4972         * gold.cc (queue_middle_tasks): If no input files were opened,
4973         exit.
4974         * workqueue.h (Task_function::Task_function): Assert that there is
4975         a blocker.
4976
4977 2010-02-22  Doug Kwan  <dougkwan@google.com>
4978
4979         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4980         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4981         types to avoid warnings due to different uint64_t implementations
4982         on different hosts.
4983
4984 2010-02-21  Doug Kwan  <dougkwan@google.com>
4985
4986         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4987         handling of the maximum backward branch offset.
4988         (Arm_relocate_functions::thumb_branch_common): Ditto.
4989         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4990         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4991         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4992         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4993         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4994         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4995         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4996         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4997         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4998         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4999         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5000         thumb2_bl_out_of_range.o): New rules.
5001         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5002         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5003         thumb2_bl_out_of_range
5004         * testsuite/Makefile.in: Regenerate.
5005         * testsuite/arm_bl_in_range.s: New file.
5006         * testsuite/arm_bl_out_of_range.s: Ditto.
5007         * testsuite/arm_branch_in_range.sh: Ditto.
5008         * testsuite/arm_branch_range.t: Ditto.
5009         * testsuite/thumb2_branch_range.t: Ditto.
5010         * testsuite/thumb_bl_in_range.s: Ditto.
5011         * testsuite/thumb_bl_out_of_range.s: Ditto.
5012         * testsuite/thumb_branch_range.t: Ditto.
5013
5014 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5015
5016         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5017         Add reloc offset information.
5018         * icf.cc (get_section_contents): Change iterators to point to the new
5019         vectors. Add reloc offset information to the contents.
5020         * icf.h (Icf::Sections_reachable_info): New typedef.
5021         (Icf::Sections_reachable_list): New typedef.
5022         (Icf::Offset_info): New typedef.
5023         (Icf::Reloc_info): New struct typedef.
5024         (Icf::Reloc_info_list): New typedef.
5025         (Icf::symbol_reloc_list): Delete method.
5026         (Icf::addend_reloc_list): Delete method.
5027         (Icf::section_reloc_list): Delete method.
5028         (Icf::reloc_info_list): New method.
5029         (Icf::reloc_info_list_): New member.
5030
5031 2010-02-19  Doug Kwan  <dougkwan@google.com>
5032
5033         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5034         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5035         * arm.cc (Arm_relocation_functions): New forward declaration.
5036         (Target_arm::Target_arm): Initialize new data members
5037         got_mod_index_offset_ and tls_base_symbol_defined_.
5038         (Target_arm::Relocate::relocate_tls): New method.
5039         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5040          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5041         New methods.
5042         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5043         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5044         (Target_arm::got_mod_index_offset_,
5045         Target_arm::tls_base_symbol_defined_): New data members.
5046         (Target_arm::Scan::local, Target::Scan::global,
5047         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5048         relocations.
5049
5050 2010-02-18  Doug Kwan  <dougkwan@google.com>
5051
5052         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5053         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5054         text section as a parameter becuase some broken tools may not set
5055         the link in section header.
5056         (Target_arm::has_got_section): New method.
5057         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5058         without any mapping symbol as data only.  Remove warning.
5059         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5060         link in its section header, try to discover the link by inspecting the
5061         REL31 relocation at the beginning of the section.
5062         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5063         in error message.
5064         (Target_arm::Scan::global): Treat any reference to the symbol
5065         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5066
5067 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5068
5069         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5070         (Scan::global_reloc_may_be_function_pointer): New function.
5071         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5072         (Scan::global_reloc_may_be_function_pointer): New function.
5073         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5074         (Scan::global_reloc_may_be_function_pointer): New function.
5075         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5076         (Scan::global_reloc_may_be_function_pointer): New function.
5077         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5078         (Scan::global_reloc_may_be_function_pointer): New function.
5079         (Scan::possible_function_pointer_reloc): New function.
5080         (Target_x86_64::can_check_for_function_pointers): New function.
5081         * gc.h (gc_process_relocs): Scan relocation types to determine if
5082         function pointers were taken for targets that support it.
5083         * icf.cc (Icf::find_identical_sections): Include functions for
5084         folding in safe ICF whose pointer is not taken.
5085         * icf.h (Secn_fptr_taken_set): New typedef.
5086         (fptr_section_id_): New member.
5087         (section_has_function_pointers): New function.
5088         (set_section_has_function_pointers): New function.
5089         (check_section_for_function_pointers): New function.
5090         * options.h: Fix comment for safe ICF option.
5091         * target.h (can_check_for_function_pointers): New function.
5092         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5093         Modify icf_safe_test for X86-64.
5094         * testsuite/Makefile.in: Regenerate.
5095         * testsuite/icf_safe_so_test.cc: New file.
5096         * testsuite/icf_safe_so_test.sh: New file.
5097         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5098         (main): Change to take pointer to function kept_func_3.
5099         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5100         folding is done correctly for X86-64.
5101
5102 2010-02-12  David S. Miller  <davem@davemloft.net>
5103
5104         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5105         is_symbolless parameter.
5106         (Output_reloc<SHT_REL>::is_symbolless): New.
5107         (Output_reloc<SHT_REL>::is_symbolless_): New.
5108         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5109         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5110         (Output_reloc<SHT_RELA>::is_symbolless): New.
5111         (Output_data_reloc::add_global): Handle is_symbolless.
5112         (Output_data_reloc::add_global_relative): Likewise.
5113         (Output_data_reloc::add_local): Likewise.
5114         (Output_data_reloc::add_local_relative): Likewise.
5115         (Output_data_reloc::add_symbolless_global_addend): New.
5116         (Output_data_reloc::add_symbolless_local_addend): New.
5117         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5118         is_symbolless.
5119         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5120         instead of ->is_relative_
5121         (Output_reloc::write): Likewise.
5122         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5123         (Output_reloc::write_rel): Simplify.
5124
5125         * sparc.cc (Target_sparc::Scan::local): Use
5126         ->add_symbolless_local_addend as needed.
5127         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5128         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5129         based upon relocation offset.
5130
5131 2010-02-11  Doug Kwan  <dougkwan@google.com>
5132
5133         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5134         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5135         beginning of function.
5136         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5137         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5138         parameter is_32bit in calls to should_apply_static_reloc.
5139         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5140         (check_DATA): Add arm_abs_global.stdout.
5141         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5142         arm_abs_global.stdout): New rules.
5143         (MOSTLLYCLEANFILES): Add arm_abs_global
5144         * Makefile.in: Regenerate.
5145         * testsuite/arm_abs_global.s: New file.
5146         * testsuite/arm_abs_global.sh: Ditto.
5147         * testsuite/arm_abs_lib.s: Ditto.
5148
5149 2010-02-11  Ian Lance Taylor  <iant@google.com>
5150
5151         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5152         Read_relocs task.
5153         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5154         Allocate_commons_task first.
5155         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5156         task, rather than symtab_lock_.
5157         (Gc_process_relocs::~Gc_process_relocs): New function.
5158         (Gc_process_relocs::is_runnable): Check this_blocker_.
5159         (Gc_process_relocs::locks): Use next_blocker_ rather than
5160         blocker_.
5161         (Scan_relocs::~Scan_relocs): New function.
5162         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5163         symtab_lock_.
5164         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5165         next_blocker_.
5166         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5167         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5168         constructor accordingly.
5169         (class Gc_process_relocs): Likewise.
5170         (class Scan_relocs): Likewise.
5171         * common.h (class Allocate_commons_task): Remove symtab_lock_
5172         field, and corresponding constructor parameter.
5173         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5174         symtab_lock_.
5175         (Allocate_commons_task::locks): Likewise.
5176
5177 2010-02-11  Ian Lance Taylor  <iant@google.com>
5178
5179         * gold-threads.h (class Once): Define.
5180         (class Initialize_lock): Rewrite as child of Once.
5181         * gold-threads.cc (class Once_initialize): Define.
5182         (once_pointer_control): New static variable.
5183         (once_pointer, once_arg): New static variables.
5184         (c_run_once): New static function.
5185         (Once::Once, Once::run_once, Once::internal_run): New functions.
5186         (class Initialize_lock_once): Remove.
5187         (initialize_lock_control): Remove.
5188         (initialize_lock_pointer): Remove.
5189         (initialize_lock_once): Remove.
5190         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5191         (Initialize_lock::initialize): Rewrite.
5192         (Initialize_lock::do_run_once): New function.
5193         * archive.cc (Archive::interpret_header): Only clear name if it is
5194         not already empty.
5195         * fileread.cc: Include "gold-threads.h"
5196         (file_counts_lock): New static variable.
5197         (file_counts_initialize_lock): Likewise.
5198         (File_read::release): Only increment counts when using --stats.
5199         Use a lock around the increment.
5200         * parameters.cc (class Set_parameters_target_once): Define.
5201         (set_parameters_target_once): New static variable.
5202         (Parameters::Parameters): Move here from parameters.h.
5203         (Parameters::set_target): Rewrite.
5204         (Parameters::set_target_once): New function.
5205         (Parameters::clear_target): Move here and rewrite.
5206         * parameters.h (class Parameters): Update declarations.  Add
5207         set_parameters_target_once_ field.
5208         (Parameters::Parameters): Move to parameters.cc.
5209         (Parameters::clear_target): Likewise.
5210         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5211         task.
5212         (Start_group::~Start_group): New function.
5213         (Start_group::is_runnable): New function.
5214         (Start_group::locks, Start_group::run): New functions.
5215         (Finish_group::run): Change saw_undefined to size_t.
5216         * readsyms.h (class Start_group): Define.
5217         (class Finish_group): Change saw_undefined_ field to size_t.
5218         (Finish_group::Finish_group): Remove saw_undefined and
5219         this_blocker parameters.  Change all callers.
5220         (Finish_group::set_saw_undefined): New function.
5221         (Finish_group::set_blocker): New function.
5222         * symtab.h (class Symbol_table): Change saw_undefined to return
5223         size_t.  Change saw_undefined_ field to size_t.
5224         * target-select.cc (Set_target_once::do_run_once): New function.
5225         (Target_selector::Target_selector): Initialize set_target_once_
5226         field.  Don't initialize lock_ and initialize_lock_ fields.
5227         (Target_selector::instantiate_target): Rewrite.
5228         (Target_selector::set_target): New function.
5229         * target-select.h (class Set_target_once): Define.
5230         (class Target_selector): Update declarations.  Make
5231         Set_target_once a friend.  Remove lock_ and initialize_lock_
5232         fields.  Add set_target_once_ field.
5233
5234 2010-02-10  Ian Lance Taylor  <iant@google.com>
5235
5236         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5237         queueing any tasks.
5238         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5239         (queue_middle_tasks): Add all blockers before queueing any tasks.
5240         (queue_final_tasks): Likewise.
5241         * token.h (Task_token::add_blockers): New function.
5242         * object.h (Input_objects::number_of_relobjs): New function.
5243
5244 2010-02-10  Ian Lance Taylor  <iant@google.com>
5245
5246         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5247         shared, not if not position independent.
5248         * x86_64.cc (Relocate::relocate_tls): Likewise.
5249         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5250         (tls_pie_pic_test): New target.
5251         * testsuite/Makefile.in: Rebuild.
5252
5253         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5254         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5255         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5256         * testsuite/Makefile.in: Rebuild.
5257
5258 2010-02-09  David S. Miller  <davem@davemloft.net>
5259
5260         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5261         R_SPARC_RELATIVE using ->add_local_relative().
5262         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5263
5264         * output.h (Output_data_dynamic::add_section_size): New method
5265         that takes two Output_data objects.
5266         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5267         entry param.  Handle it in initializers.
5268         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5269         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5270         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5271         arg.
5272         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5273         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5274         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5275         for dynrel_includes_plt.
5276         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5277         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5278         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5279         before .rela.plt
5280         (Target_sparc::do_finalize_sections): Update to pass true for
5281         dynrel_includes_plt.
5282         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5283         output before .rela.plt
5284         (Target_powerpc::do_finalize_sections): Update to pass true for
5285         dynrel_includes_plt when 32-bit.
5286
5287 2010-02-08  Doug Kwan  <dougkwan@google.com>
5288
5289         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5290         method.
5291         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5292         Arm_relobj::scan_section_for_cortex_a8_stubs,
5293         Arm_relobj::do_relocation_section): Instead of calling
5294         Output_section::output_address, use faster
5295         Arm_relobj::simple_input_section_output_address.
5296
5297 2010-02-08  David S. Miller  <davem@davemloft.net>
5298
5299         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5300         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5301         relocation helper function.
5302
5303         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5304         just like R_SPARC_GOT{10,13,22}.
5305         (Target_sparc::Scan::local): Likewise.
5306         (Target_sparc::Relocate:relocate): Likewise.
5307
5308 2010-02-06  Ian Lance Taylor  <iant@google.com>
5309
5310         * configure.ac: Rewrite targetobjs duplicate removal code to use
5311         only shell constructs.
5312         * configure: Rebuild.
5313
5314 2010-02-05  Doug Kwan  <dougkwan@google.com>
5315
5316         PR 11247
5317         * arm.cc (Arm_relobj::section_is_scannable): New method.
5318         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5319         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5320
5321 2010-02-04  Doug Kwan  <dougkwan@google.com>
5322
5323         PR 11247
5324         * arm-reloc-property.cc (cstdio): Include.
5325         * configure.ac (targetobjs): Remove duplicates.
5326         * configure: Regenerate.
5327         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5328         big and little endian version for a given address size.
5329
5330 2010-02-03  Doug Kwan  <dougkwan@google.com>
5331
5332         * arm-reloc-property.cc
5333         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5334         definition.
5335         * arm-reloc-property.h
5336         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5337         New method definition.
5338         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5339         declaration.
5340         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5341         overflow to N.
5342         (GOT_PREL): Change implemented to Y.
5343         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5344         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5345         (Arm_relocate_functions::movw_abs_nc): Remove method.
5346         (Arm_relocate_functions::movt_abs): Ditto.
5347         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5348         (Arm_relocate_functions::thm_movt_abs): Ditto.
5349         (Arm_relocate_functions::movw_rel_nc): Ditto.
5350         (Arm_relocate_functions::movw_rel): Ditto.
5351         (Arm_relocate_functions::movt_rel): Ditto.
5352         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5353         (Arm_relocate_functions:thm_movw_rel): Ditto.
5354         (Arm_relocate_functions:thm_movt_rel): Ditto.
5355         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5356         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5357         New method definitions.
5358         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5359         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5360         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5361         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5362         (Target_arm::Relocate::relocate): Check for non-static or
5363         unimplemented relocation code and exit early.  Change calls to
5364         Target_arm::reloc_uses_thumb_bit and
5365         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5366         instead.  Refactor code to handle similar relocations to increase
5367         code sharing.  Remove check for unsupported relocation code in switch
5368         statement.
5369         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5370         relocation property table to find out size.  Change error message to
5371         print out the name of a relocation code instead of the numeric value.
5372         (Target_arm::scan_reloc_for_stub): Use relocation property table
5373         instead of calling Target_arm::reloc_uses_thumb_bit().
5374
5375 2010-02-02  Doug Kwan  <dougkwan@google.com>
5376
5377         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5378         types of relaxed input section.
5379
5380 2010-02-02  Doug Kwan  <dougkwan@google.com>
5381
5382         * Makefile.am (HFILES): Add arm-reloc-property.h.
5383         (DEFFILES): New.
5384         (TARGETSOURCES): Add arm-reloc-property.cc
5385         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5386         (libgold_a_SOURCES): $(DEFFILES)
5387         * Makefile.in: Regenerate.
5388         * arm-reloc-property.cc: New file.
5389         * arm-reloc-property.h: New file.
5390         * arm-reloc.def: New file.
5391         * arm.cc: Update comments.
5392         (arm-reloc-property.h): New included header.
5393         (arm_reloc_property_table): New global variable.
5394         (Target_arm::do_select_as_default_target): New method definition.
5395         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5396         arm-reloc-property to targ_extra_obj.
5397         * parameters.cc (set_parameters_target): Call
5398         Target::select_as_default_target().
5399         * target.h (Target::select_as_default_target): New method definition.
5400         (Target::do_select_as_default_target): Same.
5401
5402 2010-02-01  Doug Kwan  <dougkwan@google.com>
5403
5404         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5405         first_output_text_section_.
5406         (Arm_exidx_fixup::first_output_text_section): New method definition.
5407         (Arm_exidx_fixup::first_output_text_section_): New data member.
5408         (Arm_exidx_fixup::process_exidx_section): Record the first text
5409         output section seen.
5410         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5411         and entsize in output section header.
5412
5413 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5414
5415         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5416         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5417         (Arm_relocate_functions::thm_alu11): New Method.
5418         (Arm_relocate_functions::thm_pc8): New Method.
5419         (Arm_relocate_functions::thm_pc12): New Method.
5420         (Target_arm::Scan::local): Handle the relocations.
5421         (Target_arm::Scan::global): Likewise.
5422         (Target_arm::Relocate::relocate): Likewise.
5423         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5424
5425 2010-01-29  Doug Kwan  <dougkwan@google.com>
5426
5427         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5428         of relocation types as ld.
5429
5430 2010-01-29  Doug Kwan  <dougkwan@google.com>
5431
5432         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5433         to public.
5434         (Arm_relocate_functions::thumb_branch_common): Ditto.
5435         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5436         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5437         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5438         Arm_relocate_functions::jump24): Remove.
5439         (Target_arm::Relocate::relocate): Adjust code to call
5440         Arm_relocation_functions::arm_branch_common and
5441         Arm_relocation_functions::thumb_branch_common instead of their removed
5442         wrappers.  Merge switch-cases together to reduce source code size.
5443
5444 2010-01-29  Doug Kwan  <dougkwan@google.com>
5445
5446         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5447         output_local_symbol_count_needs_update_.
5448         (Arm_relobj::output_local_symbol_count_needs_update,
5449          Arm_relobj::set_output_local_symbol_count_needs_update,
5450          Arm_relobj::update_output_local_symbol_count): New methods.
5451         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5452         member.
5453         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5454         of pointed function as in a R_ARM_PREL31 relocation.
5455         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5456         for output local symbol count updating.
5457         (Target_arm::do_relax): Update output local symbol counts in objects
5458         if necessary.
5459         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5460
5461 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5462
5463         * arm.cc: Added support for the ARM relocations:
5464         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5465         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5466         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5467         movw_prel_nc).
5468         (Arm_relocate_functions::movw_rel): New method.
5469         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5470         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5471         thm_movw_prel_nc).
5472         (Arm_relocate_functions::thm_movw_rel): New method.
5473         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5474         thm_movt_prel).
5475         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5476         relocations.
5477         (Target_arm::Scan::global): Likewise.
5478         (Target_arm::Relocate::relocate): Likewise.
5479         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5480         Likewise.
5481
5482 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5483
5484         * arm.cc: Added support for ARM group relocations.
5485         (Target_arm::reloc_needs_sym_origin): New method.
5486         (Arm_relocate_functions::calc_grp_kn): New method.
5487         (Arm_relocate_functions::calc_grp_residual): New method.
5488         (Arm_relocate_functions::calc_grp_gn): New method.
5489         (Arm_relocate_functions::arm_grp_alu): New Method.
5490         (Arm_relocate_functions::arm_grp_ldr): New Method.
5491         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5492         (Arm_relocate_functions::arm_grp_ldc): New Method.
5493         (Target_arm::Scan::local): Handle the ARM group relocations.
5494         (Target_arm::Scan::global): Likewise.
5495         (Target_arm::Relocate::relocate): Likewise.
5496         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5497         Likewise.
5498
5499 2010-01-26  Doug Kwan  <dougkwan@google.com>
5500
5501         * arm.cc (set): Include.
5502         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5503         pointer type.
5504         (Arm_output_section::Text_section_list): New type.
5505         (Arm_output_section::append_text_sections_to_list): New method.
5506         (Arm_output_section::fix_exidx_coverage): Ditto.
5507         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5508         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5509         Relobj::set_section_offset() instead of
5510         Sized_relobj::invalidate_section_offset().
5511         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5512         parameter for section headers. Ignore relocation sections for
5513         unallocated sections and EXIDX sections.
5514         (Target_arm::fix_exidx_coverage): New method.
5515         (Target_arm::output_section_address_less_than): New type.
5516         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5517         linked text section instead of the EXIDX section.
5518         (Arm_output_section::create_stub_group): Add an assertion to check
5519         that this is not an EXIDX output section.
5520         (Arm_output_section::append_text_sections_to_list): New method.
5521         (Arm_output_section::fix_exidx_coverage): Ditto.
5522         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5523         Arm_relobj::section_needs_reloc_stub_scanning.
5524         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5525         first pass.
5526         (Target_arm::fix_exidx_coverage): New method.
5527         * object.h (Relobj::set_output_section): New method.
5528         (Sized_relobj::invalidate_section_offset): Remove method.
5529         (Sized_relobj::do_invalidate_section_offset): Remove method.
5530         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5531
5532 2010-01-25  Doug Kwan  <dougkwan@google.com>
5533
5534         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5535         Fix warning due to signed and unsigned comparison on a 32-bit host.
5536
5537 2010-01-22  Doug Kwan  <dougkwan@google.com>
5538
5539         * arm.cc (Target_arm::do_relax): Record an output section for section
5540         offset adjustment it contains any stub table that has changed.
5541         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5542         offsets in an output section if necessary.
5543         * output.cc (Output_section::Output_section): Initialize
5544         section_offsets_need_adjustments_.
5545         (Output_section::add_input_section_for_script): Renamed to
5546         Output_section::add_simple_input_section.
5547         (Output_section::save_states): Add a comment.
5548         (Output_section::discard_states): New method defintion.
5549         (Output_section::adjust_section_offsets): Same.
5550         * output.h (Output_section::add_input_section_for_script): Renamed to
5551         Output_section::add_simple_input_section.
5552         (Output_section::discard_states): New method declaration.
5553         (Output_section::adjust_section_offsets): Same.
5554         (Output_section::section_offsets_need_adjustment,
5555         Output_section::set_section_offsets_need_adjustment): New method
5556         definitions.
5557         (Output_section::section_offsets_need_adjustment_): New data member.
5558         * script-sections.cc
5559         (Output_section_element_input::set_section_address): Adjust code for
5560         renaming of Output_section::add_input_section_for_script.
5561         (Orphan_output_section::set_section_address): Same.
5562
5563 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5564
5565         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5566         Fix_v4bx enum values .
5567         * gold/options.h (General_options): New option definitions.
5568         (General_options::fix_v4bx): New method.
5569         (General_options::Fix_v4bx): New enum.
5570         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5571         (General_options::parse_fix_v4bx_interworking): New method.
5572
5573 2010-01-22  Doug Kwan  <dougkwan@google.com>
5574
5575         * arm.cc (Arm_exidx_fixup): New class.
5576
5577 2010-01-21  Doug Kwan  <dougkwan@google.com>
5578
5579         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5580         classes.
5581         (Arm_exidx_section_offset_map): New type.
5582
5583 2010-01-21  Doug Kwan  <dougkwan@google.com>
5584
5585         * arm.cc (Arm_exidx_input_section): New class.
5586         (Arm_relobj::exidx_input_section_by_link,
5587         Arm_relobj::exidx_input_section_by_shndx,
5588         Arm_relobj::make_exidx_input_section): New methods.
5589         (read_arm_attributes_section): Remove.
5590         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5591         information about them.
5592         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5593         to here.
5594
5595 2010-01-20  Doug Kwan  <dougkwan@google.com>
5596
5597         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5598         Input_section_specifier to Section_id.
5599         (Target_arm::new_arm_input_section: Adjust code for change of key
5600         type.
5601         (Target_arm::find_arm_input_section): Ditto.
5602         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5603         (Section_id): Remove.
5604         (Garbage_collection::Section_id_hash): Remove.
5605         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5606         (Section_id): Remove.
5607         (Icf::Section_id_hash): Remove.
5608         * object.h (Section_id, Const_section_id, Section_id_hash,
5609         Const_section_id_hash): New type definitions.
5610         * output.cc (Output_section::add_relaxed_input_section): Change to
5611         use Const_section_id instead of Input_section_specifier as key type.
5612         (Output_section::add_merge_input_section): Ditto.
5613         (Output_section::build_relaxation_map): Change to use Section_id
5614         instead of Input_section_specifier as key type.
5615         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5616         Ditto.
5617         (Output_section::convert_input_sections_to_relaxed_sections): Change
5618         to use Const_section_id instead of Input_section_specifier as key type.
5619         (Output_section::find_merge_section): Ditto.
5620         (Output_section::find_relaxed_input_section): Ditto.
5621         * output.h (Input_section_specifier): Remove class.
5622         (Output_section::Output_section_data_by_input_section_map): Change
5623         key type to Const_section_id.
5624         (Output_section::Output_relaxed_input_section_by_input_section_map):
5625         Ditto.
5626         (Output_section::Relaxation_map): Change key type to Section_id.
5627
5628 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5629
5630         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5631         (class Arm_v4bx_stub): New class.
5632         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5633         (Stub_factory::make_arm_v4bx_stub): New method.
5634         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5635         (Stub_table::empty): Handle v4bx stubs.
5636         (Stub_table::add_arm_v4bx_stub): New method.
5637         (Stub_table::find_arm_v4bx_stub): New method.
5638         (Arm_relocate_functions::v4bx): New method.
5639         (Target_arm::fix_v4bx): New method.
5640         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5641         (Stub_table::relocate_stubs): Likewise.
5642         (Stub_table::do_write): Likewise.
5643         (Stub_table::update_data_size_and_addralign): Likewise.
5644         (Stub_table::finalize_stubs):  Likewise.
5645         (Target_arm::Scan::local): Likewise.
5646         (Target_arm::Scan::global): Likewise.
5647         (Target_arm::do_finalize_sections): Likewise.
5648         (Target_arm::Relocate::relocate): Likewise.
5649         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5650         Likewise.
5651         (Target_arm::scan_reloc_for_stub): Likewise.
5652         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5653
5654 2010-01-19  Ian Lance Taylor  <iant@google.com>
5655
5656         * output.cc (Output_section_headers::do_sized_write): Write large
5657         segment count to sh_info field.
5658         (Output_file_header::do_sized_write): For large segment count,
5659         write PN_XNUM to e_phnum field.
5660
5661 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5662
5663         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5664         (Arm_relocate_functions::thm_jump8): New function.
5665         (Arm_relocate_functions::thm_jump11): New function.
5666         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5667         R_ARM_THM_JUMP11.
5668         (Target_arm::Scan::global): Likewise.
5669         (Target_arm::Relocate::relocate): Likewise.
5670         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5671         Likewise.
5672
5673 2010-01-14  Doug Kwan  <dougkwan@google.com>
5674
5675         * arm.cc (map, utility): Include headers.
5676         (Target_arm::apply_cortex_a8_workaround): New method.
5677         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5678         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5679         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5680         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5681         the --[no-]fix-cortex-a8 command line options.
5682         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5683         (Target_arm::relocate_stub): Use addend in instruction template.
5684         * options.h (DEFINE_bool): Set the user-set flag.
5685         (General_options): Add --[no-]-fix-cortex options.
5686         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5687         : Update fast look-up map after conversion.
5688
5689 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5690
5691         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5692         in the first pass of do_layout.
5693
5694 2010-01-13  Doug Kwan  <dougkwan@google.com>
5695
5696         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5697         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5698         apparent compiler problem of not folding static constant integral
5699         data members of elfcpp::Elf_sizes<32>.
5700
5701 2010-01-13  Doug Kwan  <dougkwan@google.com>
5702
5703         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5704         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5705         Arm_relobj::scan_section_for_cortex_a8_erratum,
5706         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5707         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5708         sections to scan for relocation stubs into a new method
5709         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5710         relocation and Cortex-A8 stub scanning.
5711         (Target_arm::do_relax): Force stubs to be after stubbed sections
5712         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5713         the beginning of a new relaxation pass.  Update a comment.
5714         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5715
5716 2010-01-12  Ian Lance Taylor  <iant@google.com>
5717
5718         * target-reloc.h (visibility_error): New inline function.
5719         (relocate_section): Call visibility_error.
5720         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5721         (MOSTLYCLEANFILES): Likewise.
5722         (protected_4_pic.o, protected_3.err): New targets.
5723         * testsuite/protected_4.cc: New file.
5724
5725 2010-01-12  Doug Kwan  <dougkwan@google.com>
5726
5727         * arm.cc (Cortex_a8_reloc): New class.
5728         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5729         and cortex_a8_relocs_info_.
5730         (Target_arm::fix_cortex_a8): New method definition.
5731         (Target_arm::Cortex_a8_relocs_info): New type.
5732         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5733         New data member declarations.
5734         (Target_arm::scan_reloc_for_stub): Record information about
5735         relocations for THUMB branches that might be exempted from the
5736         Cortex-A8 workaround.
5737         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5738         at the beginning of a relaxation pass.
5739
5740 2010-01-12  Doug Kwan  <dougkwan@google.com>
5741
5742         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5743         (Arm_relobj::Mapping_symbol_position,
5744          Arm_reloj::Mapping_symbol_position_less,
5745          Arm_relobj::Mapping_symbols_info): New types.
5746         (Target_arm::is_mapping_symbol_name): New method definition.
5747         (Arm_relobj::do_count_local_symbols): Save information about mapping
5748         symbols.
5749
5750 2010-01-11  Doug Kwan  <dougkwan@google.com>
5751
5752         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5753         Arm_relocate_functions::thumb32_branch_upper,
5754         Arm_relocate_functions::thumb32_branch_lower,
5755         Arm_relocate_functions::thumb32_cond_branch_offset,
5756         Arm_relocate_functions::thumb32_cond_branch_upper,
5757         Arm_relocate_functions::thumb32_cond_branch_lower,
5758         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5759         branch offset encoding.
5760         (Arm_relocate_functions::thumb_branch_common): Use new branch
5761         offset encoding methods to avoid code duplication.
5762         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5763         (Stub_addend_reader::operator()): Use new branch encoding method
5764         to avoid code duplication.
5765
5766 2010-01-11  Doug Kwan  <dougkwan@google.com>
5767
5768         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5769         (Target_arm::do_finalize_sections): Define special EXIDX section
5770         symbols only if referenced.
5771         * gc.h (Garbage_collection::add_reference): New method.
5772         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5773         code duplication.
5774
5775 2010-01-11  Ian Lance Taylor  <iant@google.com>
5776
5777         * script.cc (Version_script_info::build_expression_list_lookup):
5778         Change complaing about duplicate wildcard match from error to
5779         warning.
5780
5781         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5782         of 2009-12-30.
5783         (Version_script_info::Version_script_info): Initialize globs_,
5784         default_version_, default_is_global_, and exact_.  Don't
5785         initialize globals_ or locals_.
5786         (Version_script_info::build_lookup_tables): Build local symbols
5787         first.
5788         (Version_script_info::unquote): New function.
5789         (Version_script_info::add_exact_match): New function.
5790         (Version_script_info::build_expression_list_lookup): Remove lookup
5791         parameter.  Add is_global parameter.  Change all callers.  Handle
5792         wildcard pattern specially.  Unquote pattern.  Call
5793         add_exact_match.
5794         (Version_script_info::get_name_to_match): New function.
5795         (Version_script_info::get_symbol_version): New function.
5796         (Version_script_info::get_symbol_version_helper): Remove.
5797         (Version_script_info::check_unmatched_names): Call unquote.
5798         * script.h (class Version_script_info): Change get_symbol_version
5799         to be non-inline and add is_global parameter; change all callers.
5800         Rewrite symbol_is_local.  Update declarations.  Define struct
5801         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5802         Remove globals_ and locals_ members.  Add exact_, globs_,
5803         default_version_, is_global_.
5804         (Version_script_info::Glob): Remove pattern, add expression and
5805         is_global.  Update constructor.  Change all callers.
5806         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5807         default version.
5808         (Versions::symbol_section_contents): If a symbol is undefined, or
5809         defined in a dynamic object, set the version index to
5810         VER_NDX_LOCAL.
5811         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5812         symbol_is_local.
5813         (Symbol_table::add_from_pluginobj): Likewise.
5814         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5815
5816 2010-01-11  Doug Kwan  <dougkwan@google.com>
5817
5818         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5819         (incremental_dump_LDADD): Add linking option for libintl.
5820         * Makefile.in: Regenerate.
5821
5822 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5823
5824         PR gold/11144
5825         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5826         instead of -Ds.
5827         * testsuite/Makefile.in: Regenerated.
5828
5829 2010-01-10  Doug Kwan  <dougkwan@google.com>
5830
5831         * options.h (DEFINE_var): Use parentheses around argument varname__
5832         in macro body to avoid any unintended subsequent substitutions.
5833
5834 2010-01-10  Ian Lance Taylor  <iant@google.com>
5835
5836         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5837         candidates before doing symbol resolution.
5838
5839         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5840         ODR candidates if only one is weak.
5841
5842 2010-01-08  Ian Lance Taylor  <iant@google.com>
5843
5844         * script.cc (Version_script_info::build_expression_list_lookup):
5845         Don't warn about ambiguous version, just record the ambiguity.
5846         (Version_script_info::get_symbol_version_helper): Give error if
5847         version is ambiguous.
5848
5849 2010-01-08  Doug Kwan  <dougkwan@google.com>
5850
5851         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5852           prev_data_size_ and prev_addralign_.  Remove initializer for
5853           deleted data member has_been_changed_.
5854           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5855           to determine if the table is empty.
5856           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5857           Remove.
5858           (Stub_table::add_reloc_stub): Define method in class definition
5859           instead of just declaring it there.
5860           (Stub_table::add_cortex_a8_stub): New method definition.
5861           (Stub_table::update_data_size_and_addralign): Ditto.
5862           (Stub_table::finalize_stubs): Ditto.
5863           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5864           (Stub_table::do_addralign_): Return address alignment in the
5865           (Stub_table::do_reset_address_and_file_offset): Define method in
5866           class definition instead of declaring it there.  Set current data
5867           size to be the data size of the previous pass.
5868           (Stub_table::set_final_data_size): Use current data size as the
5869           final data size.
5870           (Stub_table::relocate_stub): Change parameter type of stub from
5871           Reloc_stub pointer to Stub pointer.
5872           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5873           (Stub_table::Cortex_a8_stub_list): New typedef.
5874           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5875            Stub_table::prev_addralign_): New data member.
5876           (Arm_relobj::Arm_relobj): Initialize data member
5877           section_has_cortex_a8_workaround_.
5878           (Arm_relobj::section_has_cortex_a8_workaround,
5879            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5880            definitions.
5881           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5882           declarations.
5883           (Target_arm::relocate_stub): Change parameter type of stub from
5884           Reloc_stub pointer to Stub pointer.
5885           (Insn_template::size, Insn_template::alignment): Handle
5886           THUMB16_SPECIAL_TYPE.
5887           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5888            Stub_table::update_data_size_and_addralign,
5889            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5890           definitions.
5891           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5892           (Stub_table::do_write): Ditto.
5893           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5894
5895 2010-01-08  Ian Lance Taylor  <iant@google.com>
5896
5897         PR 11108
5898         * symtab.h (class Symbol): Remove fields is_target_special_ and
5899         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5900         (Symbol::is_defined_in_discarded_section): New function.
5901         (Symbol::set_is_defined_in_discarded_section): New function.
5902         (Symbol::has_plt_offset): Rewrite.
5903         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5904         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5905         Don't initialize is_target_special_ or has_plt_offset_.
5906         Initialize is_defined_in_discarded_section_.
5907         (Symbol_table::add_from_relobj): If appropriate, set
5908         is_defined_in_discarded_section.
5909         * resolve.cc (Symbol::override_base_with_special): Don't test
5910         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5911         * target-reloc.h (relocate_section): Do special handling for
5912         symbols defined in discarded sections for global symbols as well
5913         as local symbols.
5914
5915 2010-01-08  Ian Lance Taylor  <iant@google.com>
5916
5917         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5918         the SHT_SYMTAB case.
5919
5920 2010-01-08  Ian Lance Taylor  <iant@google.com>
5921
5922         * object.cc (Sized_relobj::do_layout): Don't get confused if
5923         layout_eh_frame returns NULL.
5924
5925 2010-01-08  Ian Lance Taylor  <iant@google.com>
5926
5927         PR 11084
5928         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5929         dynamic symbol table, use the normal symbol table.
5930         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5931         symbol table.
5932
5933 2010-01-08  Ian Lance Taylor  <iant@google.com>
5934
5935         PR 11072
5936         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5937         sections.
5938
5939 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5940
5941         * version.cc (print_version): Change to "Copyright 2010".
5942
5943 2010-01-08  Ian Lance Taylor  <iant@google.com>
5944
5945         PR 10287
5946         PR 11063
5947         * i386.cc (class Target_i386): Change return type of plt_section
5948         to be non-const.
5949         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5950         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5951         tls_desc_rel_ field.
5952         (Output_data_plt_i386::rel_tls_desc): New function.
5953         (Target_i386::rel_tls_desc_section): New function.
5954         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5955         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5956         R_386_TLS_DESC reloc in rel_tls_desc_section.
5957         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5958         Define struct Tlsdesc_info.
5959         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5960         (Target_x86_64::do_reloc_symbol_index): New function.
5961         (Target_x86_64::add_tlsdesc_info): New function.
5962         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5963         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5964         tlsdesc_rel_ field.
5965         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5966         all callers.
5967         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5968         (Target_x86_64::rela_tlsdesc_section): New function.
5969         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5970         handling.
5971         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5972         (Target_x86_64::do_reloc_addend): New function.
5973         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5974         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5975         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5976         (Output_reloc::type): New function.
5977         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5978         (Output_reloc::is_target_specific): New function.
5979         (Output_reloc::target_arg): New function.
5980         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5981         absolute relocs and target specific relocs.
5982         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5983         add_target_specific.
5984         (class Output_data_reloc) [SHT_RELA]: Likewise.
5985         * output.cc (Output_reloc::Output_reloc): Add four new versions
5986         for absolute relocs and target specific relocs.
5987         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5988         (Output_reloc::get_symbol_index): Likewise.
5989         (Output_reloc::local_section_offset): Check that local_sym_index_
5990         is not TARGET_CODE or 0.
5991         (Output_reloc::symbol_value): Likewise.
5992         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5993         reloc.
5994         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5995         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5996         functions.
5997         * layout.cc (add_target_dynamic_tags): Use output section for
5998         DT_PLTRELSZ and DT_JMPREL.
5999
6000 2010-01-07  Ian Lance Taylor  <iant@google.com>
6001
6002         PR 11061
6003         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6004         function.
6005         (class Output_data_reloc_generic): Define.
6006         (class Output_data_reloc_base): Change base class to
6007         Output_data_reloc_generic.  Change add() method to call
6008         bump_relative_reloc_count for a relative reloc.  Remove
6009         sort_relocs_ field.
6010         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6011         to sort_relocs().
6012         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6013         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6014         appropriate.
6015         * layout.h (class Layout): Update declaration.
6016
6017 2010-01-07  Ian Lance Taylor  <iant@google.com>
6018
6019         * output.h (class Output_data): Add const version of
6020         output_section and do_output_section.
6021         (class Output_section_data): Add const version of
6022         do_output_section.
6023         (class Output_section): Likewise.
6024         * layout.cc (Layout::add_target_dynamic_tags): New function.
6025         * layout.h (class Layout): Update declarations.
6026         * arm.cc (Target_arm::do_finalize_sections): Use
6027         add_target_dynamic_tags.
6028         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6029         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6030         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6031         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6032
6033 2010-01-07  Ian Lance Taylor  <iant@google.com>
6034
6035         PR 11042
6036         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6037         object as needed.
6038
6039 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6040             Ian Lance Taylor  <iant@google.com>
6041
6042         PR 11019
6043         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6044         Xindex::read_symtab_xindex.
6045
6046 2010-01-07  Doug Kwan  <dougkwan@google.com>
6047
6048         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6049         (Insn_template::thumb16_bcond_insn): New method declaration.
6050         (Insn_template): Fix spelling.
6051         (Stub::thumb16_special): New method declaration.
6052         (Stub::do_write): Define virtual method which was previously pure
6053         virtual.
6054         (Stub::do_thumb16_special): New method declaration.
6055         (Stub::do_fixed_endian_write): New template member.
6056         (Reloc_stub::do_write): Remove.
6057         (Reloc_stub::do_fixed_endian_write): Remove.
6058         (Cortex_a8_stub): New class definition.
6059         (Stub_factory::make_cortex_a8_stub): New method definition.
6060         (Stub_factory::Stub_factory): Add missing static storage class
6061         qualifier for elf32_arm_stub_a8_veneer_blx.
6062
6063 2010-01-07  Ian Lance Taylor  <iant@google.com>
6064
6065         PR 10980
6066         * options.h (class General_options): Add --warn-unresolved-symbols
6067         and --error-unresolved-symbols.
6068         * errors.cc (Errors::undefined_symbol): Implement
6069         --warn-unresolved-symbols.
6070
6071         * options.h (class General_options): Add -z text and -z textoff.
6072         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6073
6074 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6075
6076         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6077         (Garbage_collection::cident_sections): New function.
6078         (Garbage_collection::add_cident_section): New function.
6079         (Garbage_collection::cident_sections_): New member.
6080         (gc_process_relocs): Add references to sections whose names are C
6081         identifiers.
6082         * gold.h (cident_section_start_prefix): New constant.
6083         (cident_section_stop_prefix): New constant.
6084         (is_cident): New function.
6085         * layout.cc (Layout::define_section_symbols): Replace string constants
6086         with the newly defined constants.
6087         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6088         C identifiers.
6089         * testsuite/Makefile.am: Add gc_orphan_section_test.
6090         * testsuite/Makefile.in: Regenerate.
6091         * testsuite/gc_orphan_section_test.cc: New file.
6092         * testsuite/gc_orphan_section_test.sh: New file.
6093
6094 2010-01-06  Ian Lance Taylor  <iant@google.com>
6095
6096         PR 10980
6097         * options.h (class General_options): Add --warn-shared-textrel.
6098         * layout.cc (Layout::finish_dynamic_section): Implement
6099         --warn-shared-textrel.
6100
6101         PR 10980
6102         * options.h (class General_options): Add --warn-multiple-gp.
6103
6104 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6105
6106         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6107         $(THREADSLIB) and $(LIBDL).
6108         * Makefile.in: Rebuild.
6109
6110 2010-01-06  Ian Lance Taylor  <iant@google.com>
6111
6112         PR 10980
6113         * options.cc (General_options::parse_section_start): New function.
6114         (General_options::section_start): New function.
6115         (General_options::General_options): Initialize all members.
6116         * options.h: Include <map>
6117         (class General_options): Add --section-start.  Add section_starts_
6118         member.
6119         * layout.cc (Layout::attach_allocated_section_to_segment): If
6120         --section-start was used, set the address of the segment.  Remove
6121         local sort_sections.
6122         (Layout::relaxation_loop_body): If the address of the load segment
6123         has been set by --section-start, don't use it.
6124         * output.h (Output_segment::update_flags_for_output_section): New
6125         function.
6126         * output.cc (Output_segment::add_output_section): Call
6127         update_flags_for_output_section.
6128
6129 2010-01-05  Ian Lance Taylor  <iant@google.com>
6130
6131         PR 10980
6132         * options.h (class General_options): Add --undefined-version.
6133         * script.cc (struct Version_expression): Add was_matched_by_symbol
6134         field.
6135         (Version_script_info::matched_symbol): New function.
6136         (Version_script_info::get_symbol_version_helper): Call
6137         matched_symbol.
6138         (Version_script_info::check_unmatched_names): New function.
6139         * script.h (class Version_script_info): Update declarations.
6140         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6141
6142         * options.h (class General_options): Use DEFINE_bool_alias for
6143         allow_multiple_definition.
6144         * resolve.cc (Symbol_table::should_override): Don't test
6145         allow_multiple_definition.
6146
6147         PR 10980
6148         * options.h (class General_options): Add --cref.
6149         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6150         until after printing cref table.
6151         * cref.cc: Include "symtab.h".
6152         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6153         (Cref_table_compare::operator()): New function.
6154         (Cref_inputs::gather_cref): New function.
6155         (filecol): New static const.
6156         (Cref_inputs::print_cref): New function.
6157         (Cref::print_cref): New function.
6158         * cref.h: Include <cstdio>.
6159         (class Cref): Update declarations.
6160         * mapfile.h (Mapfile::file): New function.
6161         * object.h (class Object): Define Symbols.  Declare virtual
6162         do_get_global_symbols.
6163         (Object::get_global_symbols): New function.
6164         * object.cc (Input_objects::add_object): Pass object to cref_ if
6165         --cref.
6166         (Input_objects::archive_start): Likewise.
6167         (Input_objects::archive_stop): Likewise.
6168         (Input_objects::print_cref): New function.
6169         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6170         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6171         --cref.
6172         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6173         function.
6174         * plugin.h (class Sized_pluginobj): Update declarations.
6175
6176 2010-01-05  Ian Lance Taylor  <iant@google.com>
6177
6178         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6179         to is_default_version.  Rename insdef to insdefault.
6180         (Symbol_table::add_from_relobj): Rename def to is_default_version
6181         and local to is_forced_local.
6182         (Symbol_table::add_from_pluginobj): Likewise.
6183         (Symbol_table::add_from_dynobj): Likewise.
6184         (Symbol_table::define_special_symbol): Rename insdef to
6185         insdefault.
6186
6187 2010-01-04  Ian Lance Taylor  <iant@google.com>
6188
6189         PR 10980
6190         * options.h (class General_options): Add
6191         --allow-multiple-definition and -z muldefs.
6192         * resolve.cc (Symbol_table::should_override): Don't warn about a
6193         multiple symbol definition if --allow-multiple-definition or -z
6194         muldefs.
6195
6196         PR 10980
6197         * options.h (class General_options): Add --add-needed and
6198         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6199         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6200         error if --copy-dt-needed-entries aka --add-needed is used and
6201         would cause a change in behaviour.
6202
6203         PR 10980
6204         * options.h (class General_options): Add -G as a short version of
6205         --shared.  Add no-op options -assert, -g, and -i.
6206
6207 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6208
6209         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6210         check for .text or .gnu.linkonce.t sections.
6211         * icf.cc (Icf::find_identical_sections): Ditto.
6212         Change the detection for mangled function name within the section
6213         name.
6214         * icf.h (is_section_foldable_candidate): New function.
6215
6216 2009-12-30  Ian Lance Taylor  <iant@google.com>
6217
6218         PR 10980
6219         * options.h (class General_options): Permit two dashes with
6220         --retain-symbols-file.
6221
6222 2009-12-30  Ian Lance Taylor  <iant@google.com>
6223
6224         PR 10979
6225         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6226         don't put the file header and segment headers in the text
6227         segment.
6228
6229         PR 10979
6230         * common.cc (Sort_commons::operator()): Stabilize sort when both
6231         entries are NULL.
6232         (Symbol_table::do_allocate_commons_list): When allocating common
6233         symbols, skip a symbol which is no longer common.
6234         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6235         an object before checking its type.
6236         * testsuite/common_test_2.c: New file.
6237         * testsuite/common_test_3.c: New file.
6238         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6239         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6240         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6241         (common_test_2_pic.o, common_test_2.so): New targets.
6242         (common_test_3_pic.o, common_test_3.so): New targets.
6243         * testsuite/Makefile.in: Rebuild.
6244
6245         PR 10979
6246         * script.cc (read_input_script): If we see a new SECTIONS clause,
6247         and we have added an input section, give an error.
6248         * layout.h (class Layout): Add have_added_input_section function.
6249         Add have_added_input_section_ field.
6250         * layout.cc (Layout::Layout): Initialize
6251         have_added_input_section_.
6252         (Layout::layout): Set have_added_input_section_.
6253         (Layout::layout_eh_frame): Likewise.
6254
6255 2009-12-30  Ian Lance Taylor  <iant@google.com>
6256
6257         PR 10931
6258         * options.h (class General_options): Add --sort-common option.
6259         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6260         * common.cc (Sort_common): Add sort_order parameter to
6261         constructor.  Add sort_order_ field.
6262         (Sort_commons::operator): Check sort_order_.
6263         (Symbol_table::allocate_commons): Determine the sort order.
6264         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6265         Change all callers.
6266         (Symbol_table::do_allocate_commons_list): Likewise.
6267
6268 2009-12-30  Ian Lance Taylor  <iant@google.com>
6269
6270         PR 10916
6271         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6272         symbols from this object, don't change the visibility of an
6273         undefined symbol.
6274         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6275
6276 2009-12-30  Ian Lance Taylor  <iant@google.com>
6277
6278         PR 10861
6279         * script.h (class Version_script_info): Define Language enum.
6280         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6281         new fields globals_, locals_, and is_finalized_.
6282         * script.cc: Various formatting fixes.
6283         (class Parser_closure): Change language_stack_ from a vector of
6284         std::string to one of Version_script_info::Language.  Adjust all
6285         uses accordingly.
6286         (class Lazy_demangler): Remove.
6287         (struct Version_expression): Change language from std::string to
6288         Version_script_info::Language.
6289         (Version_script_info::Version_script_info): New function.
6290         (Version_script_info::~Version_script_info): Don't call clear.
6291         (Version_script_info::finalize): New function.
6292         (Version_script_info::build_lookup_tables): New function.
6293         (Version_script_info::build_expression_list_lookup): New
6294         function.
6295         (Version_script_info::get_symbol_version_helper): Rewrite to use
6296         lookup tables.
6297         (Version_script_info::print_expression_list): Adjust to use
6298         Version_script_info::Language.
6299         (script_push_lex_into_version_mode): Check that the version script
6300         has not been finalized.
6301         (version_script_push_lang): Change language string to
6302         Version_script_info::Language.
6303         * options.cc (Command_line::version_script): New function.
6304         * options.h (class General_options): Add finalize_dynamic_list
6305         function.  Change version_script from declaration to definition.
6306         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6307         * testsuite/version_script.map: Remove duplicate def of foo.
6308         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6309         version_script.map.
6310         * testsuite/Makefile.in: Rebuild.
6311
6312 2009-12-30  Ian Lance Taylor  <iant@google.com>
6313
6314         PR 10843
6315         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6316         if the input symbol index is 0, make the output symbol index 0.
6317
6318 2009-12-30  Ian Lance Taylor  <iant@google.com>
6319
6320         PR 10670
6321         * options.h (class General_options): Add -x/--discard-all.
6322         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6323         --discard-all.  If the local symbol needs a dynamic entry, check
6324         that before handling --discard-locals.
6325
6326 2009-12-30  Ian Lance Taylor  <iant@google.com>
6327
6328         PR 10450
6329         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6330         flags to PF_R.
6331         (Output_segment::add_output_section): Don't change the flags if
6332         the type is PT_TLS.
6333
6334         PR 10450
6335         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6336         GNU hash table if they need a dynamic value.  Otherwise, don't add
6337         them if they are defined in a dynamic object or are forced local.
6338
6339 2009-12-29  Ian Lance Taylor  <iant@google.com>
6340
6341         PR 10450
6342         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6343         .gnu.hash table for a 32-bit target.
6344
6345         PR 10450
6346         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6347         regular and a dynamic object only needs a dynamic symbol table
6348         entry if it is externally visible.
6349
6350         PR 10450
6351         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6352         constructor.  Add global_offset_table_ field.
6353         (Target_i386::got_section): Set global_offset_table_.
6354         (Target_i386::do_finalize_sections): Set global_offset_table_
6355         size.
6356         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6357         in constructor.  Add global_offset_table_ field.
6358         (Target_x86_64::got_section): Set global_offset_table_.
6359         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6360         size.
6361
6362         * layout.cc (Layout::Layout): Initialize increase_relro_.
6363         (Layout::get_output_section): Add is_relro, is_last_relro, and
6364         is_first_non_relro parameters.  Change all callers.
6365         (Layout::choose_output_section): Likewise.
6366         (Layout::add_output_section_data): Likewise.
6367         (Layout::make_output_section): Likewise.
6368         (Layout::set_segment_offsets): Clear increase_relro when using a
6369         linker script.
6370         * layout.h (class Layout): Add increase_relro method.  Add
6371         increase_relro_ field.  Update declarations.
6372         * output.cc (Output_section::Output_section): Initialize
6373         is_last_relro_ and is_first_non_relro_.
6374         (Output_segment::add_output_section): Group relro sections is
6375         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6376         (Output_segment::maximum_alignment): Remove relro handling.
6377         (Output_segment::set_section_addresses): Add increase_relro
6378         parameter.  Change all callers.  Add initial alignment to align
6379         relro sections on separate page.  Remove old relro handling.
6380         (Output_segment::set_section_list_addresses): Remove in_relro
6381         parameter.  Change all callers.
6382         (Output_segment::set_offset): Add increase parameter.  Change all
6383         callers.  Remove old relro handling.
6384         * output.h (class Output_section): Add new methods: is_last_relro,
6385         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6386         Add is_last_relro_ and is_first_non_relro_ fields.
6387         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6388         Create separate .got.plt section.  Call increase_relro.
6389         * x86_64.cc (Target_x86_64::got_section): Likewise.
6390         * testsuite/relro_script_test.t: Add .got.plt.
6391
6392         PR 10450
6393         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6394         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6395         (Layout::finalize): Call set_dynamic_symbol_size.
6396         (Layout::set_dynamic_symbol_size): New function.
6397         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6398         set_dynamic_symbol_size.
6399
6400         PR 10450
6401         * output.h (class Output_section): Add is_entsize_zero_ field.
6402         * output.cc (Output_section::Output_section): Initialize
6403         is_entsize_zero_.
6404         (Output_section::set_entsize): If two different entsizes are
6405         requested, force it to zero.
6406         (Output_section::add_input_section): Set flags for .debug_str
6407         before updating section flags.  Set entsize.
6408         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6409         and SHF_STRING if all input sections have those flags.
6410
6411 2009-12-29   Rafael Espindola  <espindola@google.com>
6412
6413         * main.cc (main): Fix the sys time reporting.
6414         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6415         reporting.
6416
6417 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6418
6419         * options.cc (General_options::parse_version): Allow -v to exit
6420         without an error if there is nothing to link.
6421
6422 2009-12-29  Ian Lance Taylor  <iant@google.com>
6423
6424         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6425         using a version of gcc before 4.1.
6426         * configure: Rebuild.
6427
6428 2009-12-28  Chris Demetriou  <cgd@google.com>
6429
6430         * attributes.cc (Output_attributes_section_data::do_write): Use
6431         std::vector::front rather than std::vector::data.
6432
6433 2009-12-28  Ian Lance Taylor  <iant@google.com>
6434
6435         * symtab.h (class Symbol_table): Add enum Defined.
6436         * resolve.cc (Symbol_table::should_override): Add defined
6437         parameter.  Change all callers.  Test whether object is NULL
6438         before calling a method on it.
6439         (Symbol_table::report_resolve_problem): Add defined parameter.
6440         Change all callers.
6441         (Symbol_table::should_override_with_special): Likewise.
6442         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6443         parameter.  Change all callers.
6444         (Symbol_table::do_define_in_output_data): Likewise.
6445         (Symbol_table::define_in_output_segment): Likewise.
6446         (Symbol_table::do_define_in_output_segment): Likewise.
6447         (Symbol_table::define_as_constant): Likewise.
6448         (Symbol_table::do_define_as_constant): Likewise.
6449         * script.h (class Symbol_assignment): Add is_defsym parameter to
6450         constructor; change all callers.
6451         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6452         parameter.  Change all callers.  Add is_defsym_ field.
6453         (class Parser_closure): Add parsing_defsym parameter to
6454         constructor; change all callers.  Add parsing_defsym accessor
6455         function.  Add parsing_defsym_ field.
6456
6457 2009-12-28  Ian Lance Taylor  <iant@google.com>
6458
6459         * gold.cc (queue_middle_tasks): Fix formatting.
6460         * object.cc (Relobj::is_section_name_included): Likewise.
6461
6462 2009-12-23  Ian Lance Taylor  <iant@google.com>
6463
6464         * i386.cc (Target_i386::do_calls_non_split): Recognize
6465         -fsplit-stack prologue for a function with a static chain.
6466         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6467         -fsplit-stack prologue when using %r11.
6468
6469 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6470
6471         * options.cc (General_options::parse_version): Make -v continue and do
6472         the link like GNU ld does.
6473
6474 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6475
6476         * Makefile.am (CCFILES): Add timer.cc.
6477         (HFILES): Add timer.h.
6478         * configure.ac: Check for sysconf and times.
6479         * main.cc: include timer.h.
6480         (main): Use Timer instead of get_run_time.
6481         * timer.cc: New.
6482         * timer.h: New.
6483         * workqueue.cc: include timer.h.
6484         (Workqueue::find_and_run_task):
6485         Report user, sys and wall time.
6486         * Makefile.in: Regenerate.
6487         * config.in: Regenerate.
6488         * configure: Regenerate.
6489
6490 2009-12-16  Doug Kwan  <dougkwan@google.com>
6491
6492         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6493         sections.
6494         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6495         relaxed input sections.
6496         * output.cc (Output_section::find_relaxed_input_section): Change
6497         return type to Output_relaxed_input_section pointer.  Adjust code
6498         for new type of relaxed_input_section_map_.
6499         * output.h (Output_section::find_relaxed_input_section): Change
6500         return type to Output_relaxed_input_section pointer.
6501         (Output_section::Output_relaxed_input_section_by_input_section_map):
6502         New type.
6503         (Output_section::relaxed_input_section_map_): Change type to
6504         Output_section::Output_relaxed_input_section_by_input_section_map.
6505         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6506         input section.
6507
6508 2009-12-15  Ian Lance Taylor  <iant@google.com>
6509
6510         * layout.cc (Layout::create_shstrtab): Only write out after input
6511         sections if we are compressing debug sections.
6512
6513 2009-12-15  Ian Lance Taylor  <iant@google.com>
6514
6515         * archive.cc (Archive::add_symbols): Only look up a symbol without
6516         a version if there is, in fact, a version.
6517
6518 2009-12-14  Ian Lance Taylor  <iant@google.com>
6519
6520         Revert -Wshadow changes, all changes from:
6521         2009-12-11  Doug Kwan  <dougkwan@google.com>
6522         2009-12-11  Nick Clifton  <nickc@redhat.com>
6523         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6524
6525 2009-12-11  Doug Kwan  <dougkwan@google.com>
6526
6527         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6528         due to -Wshadow.
6529         * attributes.cc (Object_attribute::size): Ditto.
6530         (Attributes_section_data::size): Ditto.
6531         (Attributes_section_data::Attributes_section_data): Ditto.
6532         (Output_attributes_section_data::do_write): Ditto.
6533         * attributes.h (Object_attribute::set_type): Ditto.
6534         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6535
6536 2009-12-11  Nick Clifton  <nickc@redhat.com>
6537
6538         * archive.cc: Fix shadowed variable warnings.
6539         * arm.cc: Likewise.
6540         * compressed_output.cc: Likewise.
6541         * compressed_output.h: Likewise.
6542         * configure: Likewise.
6543         * dwarf_reader.cc: Likewise.
6544         * dynobj.cc: Likewise.
6545         * dynobj.h: Likewise.
6546         * ehframe.cc: Likewise.
6547         * ehframe.h: Likewise.
6548         * errors.cc: Likewise.
6549         * expression.cc: Likewise.
6550         * fileread.cc: Likewise.
6551         * fileread.h: Likewise.
6552         * freebsd.h: Likewise.
6553         * i386.cc: Likewise.
6554         * icf.cc: Likewise.
6555         * incremental.h: Likewise.
6556         * layout.cc: Likewise.
6557         * layout.h: Likewise.
6558         * mapfile.cc: Likewise.
6559         * merge.cc: Likewise.
6560         * merge.h: Likewise.
6561         * object.cc: Likewise.
6562         * object.h: Likewise.
6563         * options.h: Likewise.
6564         * output.cc: Likewise.
6565         * output.h: Likewise.
6566         * parameters.cc: Likewise.
6567         * plugin.cc: Likewise.
6568         * powerpc.cc: Likewise.
6569         * reduced_debug_output.cc: Likewise.
6570         * reduced_debug_output.h: Likewise.
6571         * reloc.cc: Likewise.
6572         * reloc.h: Likewise.
6573         * resolve.cc: Likewise.
6574         * script-sections.cc: Likewise.
6575         * script.cc: Likewise.
6576         * script.h: Likewise.
6577         * sparc.cc: Likewise.
6578         * symtab.cc: Likewise.
6579         * symtab.h: Likewise.
6580         * target-select.cc: Likewise.
6581         * target-select.h: Likewise.
6582         * token.h: Likewise.
6583         * workqueue.cc: Likewise.
6584         * workqueue.h: Likewise.
6585         * x86_64.cc: Likewise.
6586
6587 2009-12-10  Doug Kwan  <dougkwan@google.com>
6588
6589         * arm.cc (attributes.h): New include.
6590         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6591         (Arm_relobj::~Arm_relobj): Delete object pointed by
6592         attributes_section_data_.
6593         (Arm_relobj::attributes_section_data): New method definition.
6594         (Arm_relobj::attributes_section_data_): New data member declaration.
6595         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6596         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6597         attributes_section_data_.
6598         (Arm_dynobj::attributes_section_data): New method definition.
6599         (Arm_dynobj::attributes_section_data_): New data member declaration.
6600         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6601         initialization value of may_use_blx_ to false.
6602         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6603         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6604         object attributes to compute results instead of hard-coding.
6605         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6606         Target_arm::get_secondary_compatible_arch,
6607         Target_arm::set_secondary_compatible_arch
6608         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6609         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6610         New method declarations.
6611         (Target_arm::get_aeabi_object_attribute): New method definition.
6612         (Target_arm::attributes_section_data_): New data member declaration.
6613         (read_arm_attributes_section): New template definition.
6614         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6615         (Arm_dynobj::do_read_symbols): Ditto.
6616         (Target_arm::do_finalize_sections): Merge attributes sections from
6617         input.  Check for BLX use after attributes section merging.
6618         Fix __exidx_start and __exidx_end visibility.  Create an
6619         .ARM.attributes section if necessary.
6620         (Target_arm::get_secondary_compatible_arch,
6621         Target_arm::set_secondary_compatible_arch,
6622         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6623         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6624         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6625         New method definitions.
6626
6627 2009-12-09  Ian Lance Taylor  <iant@google.com>
6628
6629         * plugin.cc (Plugin::load): Don't cast from void* to a function
6630         pointer.
6631
6632 2009-12-09  Ian Lance Taylor  <iant@google.com>
6633
6634         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6635         information fields.
6636
6637 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6638
6639         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6640         Replace two_file_shared_1.so with two_file_shared_2.so.
6641         * testsuite/Makefile.in: Regenerated.
6642
6643 2009-12-08  Doug Kwan  <dougkwan@google.com>
6644
6645         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6646         (HFILES): Add attributes.h and int_encoding.h.
6647         * Makefile.in: Regenerate.
6648         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6649         function definitions to int_encoding.cc
6650         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6651         prototypes to int_encoding.h
6652         * reduced_debug_output.cc (int_encoding.h): New include.
6653         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6654         function definitions to int_encoding.cc
6655         (insert_into_vector, read_from_pointer): Move template definitions to
6656         int_encoding.h
6657         * attributes.cc: New file.
6658         * attributes.h: New file.
6659         * int_encoding.cc: New file.
6660         * int_encoding.h: New file.
6661
6662 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6663
6664         PR gold/11055
6665         * incremental-dump.cc (dump_incremental_inputs): New.
6666         (main): Use dump_incremental_inputs.
6667
6668 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6669
6670         PR gold/10893
6671         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6672         checking elfcpp::STT_FUNC.
6673         (Target_i386::Relocate::relocate): Likewise.
6674         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6675
6676         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6677         symbols from shared libraries into normal FUNC symbols.
6678
6679         * symtab.h (Symbol): Add is_func and use it.
6680
6681 2009-12-05  Doug Kwan  <dougkwan@google.com>
6682
6683         * arm.cc (Target_arm::arm_info): Initialize new fields
6684         attributes_section and attributes_vendor.
6685         * i386.cc (Target_i386::i386_info): Same.
6686         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6687         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6688         fields attributes_section and attributes_vendor.
6689         * sparc.cc (Target_sparc::sparc_info): Same.
6690         * target.h (Target::attributes_section, Target::attributes_vendor,
6691         Target::is_attributes_section, Target::attribute_arg_type,
6692         Target::attributes_order): New method definitions.
6693         (Target::Target_info::attributes_section,
6694         Target::Target_info::attributes_vendor): New fields.
6695         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6696         virtual method definitions.
6697         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6698         attributes_section and attributes_vendor.
6699         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6700
6701 2009-12-05  Doug Kwan  <dougkwan@google.com>
6702
6703         * arm.cc: Update comments about interworking and stub generation.
6704         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6705         considered as non-PIC.
6706         (Arm_relocate_functions::base_abs): Fix formatting.
6707         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6708         of function to use GOT entry address instead of offset.
6709         (Target_arm::Scan::global): Issue an error if a symbol would need a
6710         PLT does not get one because it is untyped.  Remove code to create
6711         dynamic symbols for relative branches.
6712         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6713         takes unsigned integer instead of boolean.
6714
6715 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6716
6717         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6718         (two_file_test_LDADD): Likewise.
6719         (common_test_1_LDADD): Likewise.
6720         (exception_test_LDADD) Likewise.
6721         (weak_test_LDADD): Likewise.
6722         (many_sections_test_LDADD): Likewise.
6723         (initpri1_LDADD): Likewise.
6724         (script_test_1_LDADD): Likewise.
6725         (script_test_2_LDADD): Likewise.
6726         (justsyms_LDADD): Likewise.
6727         (binary_test_LDADD): Likewise.
6728         (large_LDADD): Likewise.
6729         * testsuite/Makefile.in: Regenerated.
6730
6731 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6732
6733         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6734         (Symbol_table::override_with_special): Likewise.
6735         (Symbol_table::add_from_object): Likewise.
6736
6737 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6738
6739         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6740         Don't set the data_offset twice.
6741
6742 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6743
6744         * testsuite/Makefile.in: Regenerate.
6745
6746 2009-12-03  Doug Kwan  <dougkwan@google.com>
6747
6748         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6749         (Target_arm::do_finalize_sections): Add parameter for symbol table
6750         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6751         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6752         parameter for symbol table pointer.
6753         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6754         an additional parameter for a pointer to symbol table.
6755         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6756         parameter for a symbol table pointer.
6757         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6758         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6759         Ditto.
6760         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6761         parameter for a symbol table pointer.
6762
6763 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6764
6765         * incremental.cc (Incremental_inputs_header)
6766         (Incremental_inputs_header_write, Incremental_inputs_entry)
6767         (Incremental_inputs_entry_write): Move ...
6768         * incremental.h (Incremental_inputs_header)
6769         (Incremental_inputs_header_write, Incremental_inputs_entry)
6770         (Incremental_inputs_entry_write): here.
6771
6772 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6773
6774         * incremental.cc (make_sized_incremental_binary): Set the target.
6775         Error if it is incompatible.
6776         * output.h (Output_file): Add filename method.
6777
6778 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6779
6780         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6781         from the get_* methods.
6782
6783 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6784
6785         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6786         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6787         Write 0 for the data_offset of scripts.
6788
6789 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6790
6791         * testsuite/Makefile.am: Add the incremental_test.sh test.
6792         * testsuite/incremental_test.sh: New.
6793         * testsuite/incremental_test_1.c: New.
6794         * testsuite/incremental_test_2.c: New.
6795
6796 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6797
6798        * incremental-dump.cc (main): Fix typos.
6799
6800 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6801
6802         PR gold/11025
6803         * incremental-dump.cc (main): Use llu to print 64 bit values.
6804
6805 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6806             H.J. Lu  <hongjiu.lu@intel.com>
6807
6808         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6809         $(LIBDL).
6810         (incremental_dump_LDADD): Likewise.
6811         * Makefile.in: Regenerated.
6812
6813 2009-11-25  Doug Kwan  <dougkwan@google.com>
6814
6815         Revert:
6816
6817         2009-11-25  Doug Kwan  <dougkwan@google.com>
6818
6819                 * arm.cc (Target_arm::Target_arm): Move method definition
6820                 outside of class definition.  Add code to handle
6821                 --target1-rel, --target1-abs and --target2= options.
6822                 (Target_arm::get_reloc_reloc_type): Change method to be
6823                 non-static and const.
6824                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6825                 New data member declaration.
6826                 (Target_arm::Scan::local, Target_arm::Scan::global,
6827                 Target_arm::Relocate::relocate,
6828                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6829                 Adjust call to Target_arm::get_real_reloc_type.
6830                 (Target_arm::get_real_reloc_type): Use command line options
6831                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6832                 * options.h (--target1-rel, --target1-abs, --target2): New
6833                 ARM-only options.
6834
6835 2009-11-25  Doug Kwan  <dougkwan@google.com>
6836
6837         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6838         class definition.  Add code to handle --target1-rel, --target1-abs
6839         and --target2= options.
6840         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6841         and const.
6842         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6843         member declaration.
6844         (Target_arm::Scan::local, Target_arm::Scan::global,
6845         Target_arm::Relocate::relocate,
6846         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6847         call to Target_arm::get_real_reloc_type.
6848         (Target_arm::get_real_reloc_type): Use command line options to
6849         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6850         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6851         options.
6852
6853 2009-11-25  Doug Kwan  <dougkwan@google.com>
6854
6855         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6856         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6857         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6858         formatting.
6859         (Arm_relocate_functions::thm_call): Replace body with a call to
6860         Arm_relocate_functions::thumb_branch_common.
6861         (Arm_relocate_functions::thm_jump24,
6862         Arm_relocate_functions::thm_xpc22): New method definitions.
6863         (Arm_relocate_functions::thumb_branch_common): New method definition.
6864         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6865         operator.
6866         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6867         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6868
6869 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6870
6871         * Makefile.am: Build incremental-dump
6872         * Makefile.in: Regenerate.
6873         * incremental-dump.cc: New.
6874         * incremental.cc (Incremental_inputs_header_data,
6875         Incremental_inputs_entry_data): Move to incremental.h
6876         * incremental.h: (Incremental_inputs_header_data,
6877         Incremental_inputs_entry_data): Move from incremental.cc
6878
6879 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6880
6881         * incremental.cc (Incremental_inputs_header,
6882         Incremental_inputs_header_write, Incremental_inputs_entry,
6883         Incremental_inputs_entry_write): Add a typedef with the data type.
6884
6885 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6886
6887         * incremental.cc (Incremental_inputs_header,
6888         Incremental_inputs_header_write, Incremental_inputs_entry,
6889         Incremental_inputs_entry_write): Update comment about which
6890         type has the filed descriptions.
6891
6892 2009-11-15  Doug Kwan  <dougkwan@google.com>
6893
6894         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6895         (Arm_relocate_functions::arm_branch_common): Change method defintion
6896         in class definition to a method declaration and update list of formal
6897         parameters.
6898         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6899         Arm_relocation_functions::jump24): Adjust call to
6900         Arm_relocate_functions::arm_branch_common.  Update list of formal
6901         parameters.
6902         (Arm_relocate_functions::xpc25): New method definition.
6903         (Arm_relocate_functions::arm_branch_common): Move method defintion
6904         out from class definition.  Use stubs for mode-switching and extending
6905         branch ranges.
6906         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6907         specially.  Change code to enable use of stubs in ARM branches.
6908
6909 2009-11-10  Doug Kwan  <dougkwan@google.com>
6910
6911         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6912         in method declaration.
6913         (Target_arm::relocate_stub): New method declaration.
6914         (Target_arm::default_target): Change to return a pointer instead of
6915         a const reference.
6916         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6917         Target_arm::default_target.
6918         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6919         method definition.
6920         (Target_arm::relocate_section): Adjust view.
6921         (Target_arm::relocate_stub): New method definition.
6922
6923 2009-11-10  Doug Kwan  <dougkwan@google.com>
6924
6925         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6926         a format warning.
6927         * incremental.cc (open_incremental_binary): Initialized local
6928         variables to avoid warnings.
6929         * object.cc (make_elf_object): Ditto.
6930         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6931         a format warning.
6932
6933 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6934
6935         PR gold/10930
6936         * testsuite/plugin_test.c: Include "config.h".
6937
6938 2009-11-09  Doug Kwan  <dougkwan@google.com>
6939
6940         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6941         (arm_symbol_value): Remove.
6942         (Arm_relocate_functions::arm_branch_common,
6943         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6944         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6945         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6946         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6947         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6948         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6949         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6950         Arm_relocate_functions::thm_mobw_abs_nc,
6951         Arm_relocate_functions::thm_mov_abs,
6952         Arm_relocate_functions::movw_prel_nc,
6953         Arm_relocate_functions::thm_movt_abs,
6954         Arm_relocate_functions::movt_prel,
6955         Arm_relocate_functions::thm_movw_prel_nc,
6956         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6957         (Target_arm::Relocate::relocate): Only decompose address into two
6958         parts if relocation type uses the thumb-bit and pass the actual
6959         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6960         calls to methods in Arm_relocate_functions for this change.
6961
6962 2009-11-08  Ian Lance Taylor  <iant@google.com>
6963
6964         PR 10925
6965         * reloc.cc: Instantiate
6966         Sized_relobj::initialize_input_to_output_maps and
6967         Sized_relobj:free_input_to_output_maps.
6968
6969 2009-11-06  Ian Lance Taylor  <iant@google.com>
6970
6971         PR 10876
6972         * defstd.cc (in_segment): Set only_if_ref true for "end".
6973
6974 2009-11-06  Doug Kwan  <dougkwan@google.com>
6975
6976         * arm.cc (class Reloc_stub): Correct a comment.
6977         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6978         (Target_arm::scan_section_for_stubs): New method declaration.
6979         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6980         Change methods from private to protected.
6981         (Target_arm::do_may_relax): New method definition.
6982         (Target_arm::do_relax, Target_arm::group_sections,
6983         Target_arm::scan_reloc_for_stub,
6984         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6985         (Target_arm::arm_input_section_map_): New data member declaration.
6986         (Target_arm::scan_reloc_for_stub,
6987         Target_arm::scan_reloc_section_for_stubs,
6988         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6989         Target_arm::do_relax): New method definitions.
6990
6991 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6992
6993         * configure.ac: Check for (struct stat)::st_mtim
6994         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6995         * config.in: Regenerate.
6996         * configure: Regenerate.
6997
6998 2009-11-05  Ian Lance Taylor  <iant@google.com>
6999
7000         PR 10910
7001         * output.cc (Output_segment::add_output_section): Add missing
7002         return statement.
7003
7004 2009-11-04  Ian Lance Taylor  <iant@google.com>
7005
7006         PR 10880
7007         * object.h (class Object): Add is_needed and set_is_needed
7008         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7009         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7010         defined in a dynamic object and referenced by a regular object,
7011         set is_needed for the dynamic object.
7012         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7013         if the file is marked with as_needed and it is not needed.
7014
7015 2009-11-04  Ian Lance Taylor  <iant@google.com>
7016
7017         PR 10887
7018         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7019         tags if data is discarded by linker script.
7020         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7021         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7022         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7023         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7024
7025 2009-11-04  Ian Lance Taylor  <iant@google.com>
7026
7027         * layout.cc (Layout::get_output_section): Add is_interp and
7028         is_dynamic_linker_section parameters.  Change all callers.
7029         (Layout::choose_output_section): Likewise.
7030         (Layout::make_output_section): Likewise.
7031         (Layout::add_output_section_data): Add is_dynamic_linker_section
7032         parameter.  Change all callers.
7033         * layout.h (class Layout): Update declarations.
7034         * output.h (class Output_section): Add is_interp, set_is_interp,
7035         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7036         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7037         generate_code_fills_at_write_ to a bitfield.
7038         * output.cc (Output_section::Output_sections): Initialize new
7039         fields.
7040         (Output_segment::add_output_section): Add do_sort parameter.
7041         Change all callers.
7042
7043 2009-11-03  Ian Lance Taylor  <iant@google.com>
7044
7045         PR 10860
7046         * options.h (class General_options): Add --warn-common.
7047         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7048         merging two common symbols.
7049         (Symbol_table::should_override): Handle --warn-common when merging
7050         a common symbol with a defined symbol.  Use report_resolve_problem
7051         for multiple definitions.
7052         (Symbol_table::report_resolve_problem): New function.
7053         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7054
7055 2009-11-03  Doug Kwan  <dougkwan@google.com>
7056
7057         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7058         stub_factory_.
7059         (Target_arm::stub_factory): New method definition.
7060         (Target_arm::new_arm_input_section,
7061         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7062         Target_arm::reloc_uses_thumb_bit): New method declarations.
7063         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7064         New type definitions.
7065         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7066         member declarations.
7067         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7068         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7069         New method definitions.
7070
7071 2009-11-03  Ian Lance Taylor  <iant@google.com>
7072
7073         * options.h (class General_options): Add --warn_constructors.
7074
7075 2009-11-03  Ian Lance Taylor  <iant@google.com>
7076
7077         PR 10893
7078         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7079         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7080
7081 2009-11-03  Ian Lance Taylor  <iant@google.com>
7082
7083         PR 10895
7084         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7085         --msgid-bugs-address.
7086         (install-pdf): New target.
7087         (install-data_yes): Look up one directory to find mkinstalldirs.
7088
7089 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7090
7091         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7092         tree.
7093
7094 2009-10-30  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7097
7098 2009-10-30  Doug Kwan  <dougkwan@google.com>
7099
7100         * arm.cc (Stub_addend_reader): New struct template definition
7101         and partial specializations.
7102         (Stub_addend_reader::operator()): New method definition for a
7103         partially specialized template.
7104
7105 2009-10-30  Doug Kwan  <dougkwan@google.com>
7106
7107         * arm.cc (Arm_relobj::processor_specific_flags): New method
7108         definition.
7109         (Arm_relobj::do_read_symbols): New method declaration.
7110         (Arm_relobj::processor_specific_flags_): New data member declaration.
7111         (Arm_dynobj): New class definition.
7112         (Target_arm::do_finalize_sections): Add input_objects parameter.
7113         (Target_arm::do_adjust_elf_header): New method declaration.
7114         (Target_arm::are_eabi_versions_compatible,
7115         (Target_arm::merge_processor_specific_flags): New method declaration.
7116         (Target_arm::do_make_elf_object): New overloaded method definitions
7117         and declaration.
7118         (Arm_relobj::do_read_symbols): New method definition.
7119         (Arm_dynobj::do_read_symbols): Ditto.
7120         (Target_arm::do_finalize_sections): Add input_objects parameters.
7121         Merge processor-specific flags from all input objects.
7122         (Target_arm::are_eabi_versions_compatible,
7123         Target_arm::merge_processor_specific_flags,
7124         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7125         New method definitions.
7126         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7127         Input_objects pointer type parameter.
7128         * layout.cc (Layout::finalize): Pass input objects to target's.
7129         finalize_sections function.
7130         * output.cc (Output_file_header::do_sized_write): Set ELF file
7131         header's processor-specific flags.
7132         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7133         Input_objects pointer type parameter.
7134         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7135         * target.h (Input_objects): New forward class declaration.
7136         (Target::processor_specific_flags,
7137         Target::are_processor_specific_flags_sect): New method definitions.
7138         (Target::finalize_sections): Add input_objects parameter.
7139         (Target::Target): Initialize processor_specific_flags_ and
7140         are_processor_specific_flags_set_.
7141         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7142         parameter.
7143         (Target::set_processor_specific_flags): New method definition.
7144         (Target::processor_specific_flags_,
7145         Target::are_processor_specific_flags_set_): New data member
7146         declarations.
7147         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7148         Input_objects pointer type parameter.
7149
7150 2009-10-30  Doug Kwan  <dougkwan@google.com>
7151
7152         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7153
7154 2009-10-28  Ian Lance Taylor  <iant@google.com>
7155
7156         * object.h (class Relobj): Drop options parameter from
7157         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7158         do_scan_relocs, do_relocate.  Change all callers.
7159         (class Sized_relobj): Drop options parameters from
7160         do_gc_process_relocs, do_scan_relocs, do_relocate,
7161         do_relocate_sections, relocate_sections, emit_relocs_scan,
7162         emit_relocs_scan_reltype.  Change all callers.
7163         (struct Relocate_info): Remove options field and all references to
7164         it.
7165         * reloc.h (class Read_relocs): Remove options constructor
7166         parameter and options_ field.  Change all callers.
7167         (class Gc_process_relocs, class Scan_relocs): Likewise.
7168         (class Relocate_task): Likewise.
7169         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7170         all callers.
7171         (scan_relocatable_relocs): Likewise.
7172         * target.h (class Sized_target): Remove options parameter from
7173         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7174         all callers.
7175         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7176         callers.
7177         * arm.cc: Update functions to remove options parameters.
7178         * i386.cc: Likewise.
7179         * powerpc.cc: Likewise.
7180         * sparc.cc: Likewise.
7181         * x86_64.cc: Likewise.
7182         * testsuite/testfile.cc: Likewise.
7183
7184 2009-10-28  Doug Kwan  <dougkwan@google.com>
7185
7186         * arm.cc (Arm_relobj): New class definition.
7187         (Arm_relobj::scan_sections_for_stubs,
7188         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7189         New method definitions.
7190
7191 2009-10-28  Cary Coutant  <ccoutant@google.com>
7192
7193         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7194         (Plugin::cleanup_done_): New member.
7195         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7196         (Plugin_manager::cleanup_done_): Remove.
7197         (Plugin_manager::add_input_file): Edit error message.
7198         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7199         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7200
7201 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7202
7203         * fileread.cc: (File_read::View::~View): Use the new
7204         data_ownership_ filed.
7205         (File_read::~File_read): Dispose the new whole_file_view_.
7206         (File_read::open): Mmap the whole file if needed.
7207         (File_read::open): Use whole_file_view_ instead of contents_.
7208         (File_read::find_view): Use whole_file_view_ if applicable.
7209         (File_read::do_read): Use whole_file_view_ instead of contents_.
7210         (File_read::make_view): Use whole_file_view_ instead of contents_,
7211         update File_read::View::View call.
7212         (File_read::find_or_make_view): Update File_read::View::View
7213         call.
7214         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7215         remove contents_
7216         (File_read::View::Data_ownership): New enum.
7217         (File_read::View::View): Replace bool mapped_ with Data_ownership
7218         argument.
7219         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7220         (File_read::View::data_ownership_): New field.
7221         (File_read::contents_): Remove (replaced by whole_file_view_).
7222         (File_read::whole_file_view_): New field.
7223         * options.h (class General_options): Add --keep-files-mapped.
7224
7225 2009-10-27  Cary Coutant  <ccoutant@google.com>
7226
7227         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7228         * testsuite/Makefile.am (plugin_test_5): New test case.
7229         * testsuite/Makefile.in: Regenerate.
7230
7231 2009-10-25  Doug Kwan  <dougkwan@google.com>
7232
7233         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7234         from private to protected to allow access by child class.
7235         (Sized_relobj::do_relocate_sections): New method declaration.
7236         (Sized_relobj::relocate_sections): Virtualize.
7237         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7238         Sized_relobj::relocate_sections.  Instantiate template explicitly
7239         for different target sizes and endianity.
7240
7241 2009-10-24  Doug Kwan  <dougkwan@google.com>
7242
7243         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7244         (Arm_input_section::as_arm_input_section): New method.
7245         (Arm_output_section): New class definition.
7246         (Arm_output_section::create_stub_group,
7247         Arm_output_section::group_sections): New method definitions.
7248
7249 2009-10-22  Doug Kwan  <dougkwan@google.com>
7250
7251         * arm.cc (Arm_input_section): New class definition.
7252         (Arm_input_section::init, Arm_input_section:do_write,
7253         Arm_input_section::set_final_data_size,
7254         Arm_input_section::do_reset_address_and_file_offset): New method
7255         definitions.
7256
7257 2009-10-21  Doug Kwan  <dougkwan@google.com>
7258
7259         * arm.cc (Stub_table, Arm_input_section): New forward class
7260         declarations.
7261         (Stub_table): New class defintion.
7262         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7263         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7264         New method definition.
7265
7266 2009-10-21  Doug Kwan  <dougkwan@google.com>
7267
7268         * arm.cc: Update copyright comments.
7269         (Target_arm): New forward class template declaration.
7270         (Arm_address): New type.
7271         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7272         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7273         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7274         constants.
7275         (Insn_template): Same.
7276         (DEF_STUBS): New macro.
7277         (Stub_type): New enum type.
7278         (Stub_template): New class definition.
7279         (Stub): Same.
7280         (Reloc_stub): Same.
7281         (Stub_factory): Same.
7282         (Target_arm::Target_arm): Initialize may_use_blx_ and
7283         should_force_pic_veneer_.
7284         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7285         Target_arm::should_force_pic_veneer,
7286         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7287         Target_arm::using_thumb_only, Target_arm:;default_target): New
7288         method defintions.
7289         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7290         New data member declarations.
7291         (Insn_template::size, Insn_template::alignment): New method defintions.
7292         (Stub_template::Stub_template): New method definition.
7293         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7294         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7295         (Stub_factory::Stub_factory): New method definition.
7296         * gold.h (string_hash): New template.
7297         * output.h (Input_section_specifier::hash_value): Use
7298         gold::string_hash.
7299         (Input_section_specifier::string_hash): Remove.
7300         * stringpool.cc (Stringpool_template::string_hash): Use
7301         gold::string_hash.
7302
7303 2009-10-20  Doug Kwan  <dougkwan@google.com>
7304
7305         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7306         symbols of relaxed input sections.
7307         * output.h (Output_section::find_relaxed_input_section): Make
7308         method public.
7309
7310 2009-10-16  Doug Kwan  <dougkwan@google.com>
7311
7312         * dynobj.cc (Versions::Versions): Initialize version_script_.
7313         Only insert base version symbol definition for a shared object
7314         if version script defines any version versions.
7315         (Versions::define_base_version): New method definition.
7316         (Versions::add_def): Check that base version is not needed.
7317         (Versions::add_need): Define base version lazily.
7318         * dynobj.h (Versions::define_base_version): New method declaration.
7319         (Versions::needs_base_version_): New data member declaration.
7320         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7321         (check_DATA): Add no_version_test.stdout.
7322         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7323         New make rules.
7324         * testsuite/Makefile.in: Regenerate.
7325         * testsuite/no_version_test.c: New file.
7326         * testsuite/no_version_test.sh: Ditto.
7327
7328 2009-10-16  Doug Kwan  <dougkwan@google.com>
7329
7330         * expression.cc (class Segment_start_expression): New class definition.
7331         (Segment_start_expression::value): New method definition.
7332         (script_exp_function_segment_start): Return a new
7333         Segment_start_expression.
7334         * gold/script-c.h (script_saw_segment_start_expression): New function
7335         prototype.
7336         * script-sections.cc (Script_sections::Script_sections): Initialize
7337         SAW_SEGMENT_START_EXPRESSION_ to false.
7338         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7339         and -Tbbs options to specify section addresses if given in
7340         command line and no SEGMENT_START expression is seen in a script.
7341         * script-sections.h (Script_sections::saw_segment_start_expression,
7342         Script_sections::set_saw_segment_start_expression): New method
7343         definition.
7344         (Script_sections::saw_segment_start_expression_): New data member
7345         declaration.
7346         * script.cc (script_saw_segment_start_expression): New function.
7347         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7348         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7349         script_test_7.sh and script_test_8.sh.
7350         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7351         script_test_8.stdout.
7352         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7353         (script_test_6, script_test_6.stdout, script_test_7,
7354         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7355         * Makefile.in: Regenerate.
7356         * testsuite/script_test_6.sh: New file.
7357         * testsuite/script_test_6.t: Same.
7358         * testsuite/script_test_7.sh: Same.
7359         * testsuite/script_test_7.t: Same.
7360         * testsuite/script_test_8.sh: Same.
7361
7362 2009-10-16  Doug Kwan  <dougkwan@google.com>
7363
7364         * output.cc (Output_segment::set_section_list_address): Cast
7365         expressions to unsigned long long type to avoid format warnings.
7366
7367 2009-10-15  Ian Lance Taylor  <iant@google.com>
7368
7369         * script.cc (Script_options::add_symbol_assignment): Always add a
7370         dot assignment to script_sections_.
7371         * script-sections.cc (Script_sections::add_dot_assignment):
7372         Initialize if necessary.
7373
7374         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7375         program headers with no load segment if there is a linker script.
7376
7377         * layout.cc (Layout::set_segment_offsets): Align the file offset
7378         to the segment aligment for -N or -n with no load segment.
7379         * output.cc (Output_segment::add_output_section): Don't crash if
7380         the first section is a TLS section.
7381         (Output_segment::set_section_list_addresses): Print an error
7382         message if the address moves backward in a linker script.
7383         * script-sections.cc
7384         (Output_section_element_input::set_section_addresses): Don't
7385         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7386         (Orphan_output_section::set_section_addresses): Likewise.
7387
7388 2009-10-15  Doug Kwan  <dougkwan@google.com>
7389
7390         * layout.cc (Layout::finish_dynamic_section): Generate tags
7391         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7392         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7393         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7394
7395 2009-10-14  Ian Lance Taylor  <iant@google.com>
7396
7397         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7398         fields.
7399         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7400         data_shdr fields of relinfo.
7401         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7402         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7403         R_386_TLS_LDO_32, adjust based on section flags.
7404         (Target_i386::Relocate::fix_up_ldo): Remove.
7405
7406 2009-10-13  Ian Lance Taylor  <iant@google.com>
7407
7408         Add support for -pie.
7409         * options.h (class General_options): Add -pie and
7410         --pic-executable.
7411         (General_options::output_is_position_independent): Test -pie.
7412         (General_options::output_is_executable): Return true if not shared
7413         and not relocatable.
7414         (General_options::output_is_pie): Remove.
7415         * options.cc (General_options::finalize): Reject incompatible uses
7416         of -pie.
7417         * gold.cc (queue_middle_tasks): A -pie link is not static.
7418         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7419         * symtab.cc (Symbol::final_value_is_known): Return false if
7420         output_is_position_independent.
7421         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7422         output_is_position_independent.
7423         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7424         output_is_position_independent.
7425         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7426         output_is_position_independent.
7427         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7428         two_file_pie_test.
7429         (basic_pie_test.o, basic_pie_test): New targets.
7430         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7431         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7432         (two_file_pie_test): New target.
7433         * testsuite/Makefile.in: Rebuild.
7434         * README: Remove note saying that -pie is not supported.
7435
7436 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7437
7438         * options.h (class General_options): Add -init and -fini.
7439         * layout.cc (Layout::finish_dynamic_section): Emit
7440         given init and fini functions.
7441
7442 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7443
7444         * gc.h (gc_process_relocs): Check if icf is enabled using new
7445         function.
7446         * gold.cc (queue_initial_tasks): Likewise.
7447         (queue_middle_tasks): Likewise.
7448         * object.cc (do_layout): Likewise.
7449         * symtab.cc (is_section_folded): Likewise.
7450         * main.cc (main): Likewise.
7451         * reloc.cc (Read_relocs::run): Likewise.
7452         (Sized_relobj::do_scan_relocs): Likewise.
7453         * icf.cc (is_function_ctor_or_dtor): New function.
7454         (Icf::find_identical_sections): Check if function is ctor or dtor when
7455         safe icf is chosen.
7456         * options.h (General_options::icf): Change option to be an enum.
7457         (Icf_status): New enum.
7458         (icf_enabled): New method.
7459         (icf_safe_folding): New method.
7460         (set_icf_status): New method.
7461         (icf_status_): New variable.
7462         * (options.cc) (General_options::finalize): Set icf_status_.
7463         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7464         icf_test and icf_keep_unique_test to use the --icf enum flag.
7465         * testsuite/icf_safe_test.sh: New file.
7466         * testsuite/icf_safe_test.cc: New file.
7467
7468 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7469
7470         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7471         includes to gc.h and icf.h.
7472         * arm.cc: Include gc.h.
7473         * gold.cc: Likewise.
7474         * i386.cc: Likewise.
7475         * powerpc.cc: Likewise.
7476         * sparc.cc: Likewise.
7477         * x86_64.cc: Likewise.
7478         * gc.h: Include icf.h.
7479
7480 2009-10-11  Ian Lance Taylor  <iant@google.com>
7481
7482         * plugin.cc: Include "gold.h" before other header files.
7483
7484 2009-10-10  Chris Demetriou  <cgd@google.com>
7485
7486         * options.h (Input_file_argument::Input_file_type): New enum.
7487         (Input_file_argument::is_lib_): Replace with...
7488         (Input_file_argument::type_): New member.
7489         (Input_file_argument::Input_file_argument): Take Input_file_type
7490         'type' rather than boolean 'is_lib' as second argument.
7491         (Input_file_argument::is_lib): Use type_.
7492         (Input_file_argument::is_searched_file): New function.
7493         (Input_file_argument::may_need_search): Handle is_searched_file.
7494         * options.cc (General_options::parse_library): Support -l:filename.
7495         (General_options::parse_just_symbols): Update for Input_file_argument
7496         changes.
7497         (Command_line::process): Likewise.
7498         * archive.cc (Archive::get_file_and_offset): Likewise.
7499         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7500         * script.cc (read_script_file, script_add_file): Likewise.
7501         * fileread.cc (Input_file::Input_file): Likewise.
7502         (Input_file::will_search_for): Handle is_searched_file.
7503         (Input_file::open): Likewise.
7504         * readsyms.cc (Read_symbols::get_name): Likewise.
7505         * testsuite/Makefile.am (searched_file_test): New test.
7506         * testsuite/Makefile.in: Regenerate.
7507         * testsuite/searched_file_test.cc: New file.
7508         * testsuite/searched_file_test_lib.cc: New file.
7509
7510 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7511             Ian Lance Taylor  <iant@google.com>
7512
7513         * descriptor.cc: Include <cstdio> and "binary-io.h".
7514         (Descriptors::open): Open the files in binary mode always.
7515         * script.cc (Lex::get_token): Treat \r as whitespace.
7516
7517 2009-10-09  Ian Lance Taylor  <iant@google.com>
7518
7519         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7520
7521 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7522             Ian Lance Taylor  <iant@google.com>
7523
7524         * configure.ac: Check for readv function also.
7525         * fileread.cc (readv): Define if not HAVE_READV.
7526         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7527         does not exist.
7528         * config.in: Regenerate.
7529         * configure: Regenerate.
7530
7531 2009-10-09  Doug Kwan  <dougkwan@google.com>
7532
7533         * layout.cc (Layout::make_output_section): Call target hook to make
7534         ordinary output section.
7535         (Layout::finalize): Adjust parameter list of call the
7536         Target::may_relax().
7537         * layout.h (class Layout::section_list): New method.
7538         * merge.h (Output_merge_base::entsize): Change visibility to public.
7539         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7540         New methods.
7541         (Output_merge_string::do_is_string): New method.
7542         * object.cc (Sized_relobj::do_setup): renamed from
7543         Sized_relobj::set_up.
7544         * object.h (Sized_relobj::adjust_shndx,
7545         Sized_relobj::initializ_input_to_output_maps,
7546         Sized_relobj::free_input_to_output_maps): Change visibilities to
7547         protected.
7548         (Sized_relobj::setup): Virtualize.
7549         (Sized_relobj::do_setup): New method declaration.
7550         (Sized_relobj::invalidate_section_offset,
7551         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7552         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7553         * options.cc (parse_int): New function.
7554         * options.h (parse_int): New declaration.
7555         (DEFINE_int): New macro.
7556         (stub_group_size): New option.
7557         * output.cc (Output_section::Output_section): Initialize memebers
7558         merge_section_map_, merge_section_by_properties_map_,
7559         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7560         (Output_section::add_input_section): Handled deferred code-fill
7561         generation and remove an old comment.
7562         (Output_section::add_relaxed_input_section): New method definition.
7563         (Output_section::add_merge_input_section): Use merge section by
7564         properties map to speed to search.  Update merge section maps
7565         as appropriate.
7566         (Output_section::build_relaxation_map): New method definition.
7567         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7568         Same.
7569         (Output_section::relax_input_section): Renamed to
7570         Output_section::convert_input_sections_to_relaxed_sections and change
7571         interface to take a vector of pointers to relaxed sections.
7572         (Output_section::find_merge_section,
7573         Output_section::find_relaxed_input_section): New method definitions.
7574         (Output_section::is_input_address_mapped,
7575         Output_section::output_offset, Output_section::output_address):
7576         Use output section data maps to speed up searching.
7577         (Output_section::find_starting_output_address): Add comments.
7578         (Output_section::do_write,
7579         Output_section::write_to_postprocessing_buffer): Do code-fill
7580         generation as appropriate.
7581         (Output_section::get_input_sections): Invalidate relaxed input section
7582         map.
7583         (Output_section::restore_states): Adjust type of checkpoint .
7584         Invalidate relaxed input section map.
7585         * output.h (Output_merge_base): New class declaration.
7586         (Input_section_specifier): New class defintion.
7587         (class Output_relaxed_input_section) Change base class to
7588         Output_section_data_build.
7589         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7590         base class initializer.
7591         (Output_section::add_relaxed_input_section): New method declaration.
7592         (Output_section::Input_section): Change visibility to protected.
7593         (Output_section::Input_section::relobj,
7594         Output_section::Input_section::shndx): Handle relaxed input sections.
7595         Output_section::input_sections) Change visibility to protected.  Also
7596         define overload to return a non-const pointer.
7597         (Output_section::Merge_section_properties): New class defintion.
7598         (Output_section::Merge_section_by_properties_map,
7599         Output_section::Output_section_data_by_input_section_map,
7600         Output_section::Relaxation_map): New types.
7601         (Output_section::relax_input_section): Rename method to
7602         Output_section::convert_input_sections_to_relaxed_sections and change
7603         interface to take a vector of relaxed section pointers.
7604         (Output_section::find_merge_section,
7605         Output_section::find_relaxed_input_section,
7606         Output_section::build_relaxation_map,
7607         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7608         New method declarations.
7609         (Output_section::merge_section_map_
7610         Output_section::merge_section_by_properties_map_,
7611         Output_section::relaxed_input_section_map_,
7612         Output_section::is_relaxed_input_section_map_valid_,
7613         Output_section::generate_code_fills_at_write_): New data members.
7614         * script-sections.cc
7615         (Output_section_element_input::set_section_addresses): Call
7616         current_data_size and addralign methods of relaxed input sections.
7617         (Orphan_output_section::set_section_addresses): Call current_data_size
7618         and addralign methods of relaxed input sections.
7619         * symtab.cc (Symbol_table::compute_final_value): Extract template
7620         from the body of Symbol_table::sized_finalize_symbol.
7621         (Symbol_table::sized_finalized_symbol): Call
7622         Symbol_table::compute_final_value.
7623         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7624         (Symbol_table::compute_final_value): New templated method declaration.
7625         * target.cc (Target::do_make_output_section): New method defintion.
7626         * target.h (Target::make_output_section): New method declaration.
7627         (Target::relax): Add more parameters for input objects, symbol table
7628         and layout.  Adjust call to do_relax.
7629         (Target::do_make_output_section): New method declaration.
7630         (Target::do_relax): Add parameters for input objects, symbol table
7631         and layout.
7632
7633 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7634
7635         * pread.c: Include stdio.h.
7636
7637 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7638
7639         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7640         defined.
7641
7642 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7643
7644         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7645         Change read_shndx type to unsigned int.
7646         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7647         int.
7648         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7649         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7650         Change read_shndx type to unsigned int.
7651         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7652         int.
7653         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7654         * layout.cc (Layout::create_symtab_sections): Cast the result of
7655         local_symcount * symsize to off_t in the gold_assert.
7656
7657 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7658
7659         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7660         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7661         R_ARM_BASE_ABS.
7662         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7663         (Arm_relocate_functions::thm_abs5): New function.
7664         (Arm_relocate_functions::abs12): New function.
7665         (Arm_relocate_functions::abs16): New function.
7666         (Arm_relocate_functions::base_abs): New function.
7667         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7668         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7669         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7670         R_ARM_BASE_ABS.
7671         (Scan::global): Likewise.
7672         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7673         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7674         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7675         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7676         R_ARM_BASE_ABS.
7677
7678 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7679
7680         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7681         (Arm_relocate_functions::movt_prel): New function.
7682         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7683         (Arm_relocate_functions::thm_movt_prel): New function.
7684         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7685         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7686         (Scan::global, Relocate::relocate): Likewise.
7687         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7688
7689 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7690
7691         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7692         Incremental_checker.
7693         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7694         unsigned int.
7695         (class Incremental_inputs_header): New class.
7696         (Incremental_inputs_header_writer): Edit comment.
7697         (Incremental_inputs_entry): New class.
7698         (Incremental_inputs_entry_writer): Edit comment.
7699         (Sized_incremental_binary::do_find_incremental_inputs_section):
7700         Add *strtab_shndx parameter, fill it.
7701         (Sized_incremental_binary::do_check_inputs): New method.
7702         (Incremental_checker::can_incrementally_link_output_file): Use
7703         Sized_incremental_binary::check_inputs.
7704         (Incremental_inputs::report_command_line): Save command line in
7705         command_line_.
7706         * incremental.h:
7707         (Incremental_binary::find_incremental_inputs_section): New
7708         method.
7709         (Incremental_binary::do_find_incremental_inputs_section): Add
7710         strtab_shndx parameter.
7711         (Incremental_binary::do_check_inputs): New pure virtual method.
7712         (Sized_incremental_binary::do_check_inputs): Declare.
7713         (Incremental_checker::Incremental_checker): Add incremental_inputs
7714         parameter, use it to initialize incremental_inputs_.
7715         (Incremental_checker::incremental_inputs_): New field.
7716         (Incremental_checker::command_line): New method.
7717         (Incremental_checker::inputs): New method.
7718         (Incremental_checker::command_line_): New field.
7719
7720 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7721
7722         * incremental.cc: Include <cstdarg> and "target-select.h".
7723         (vexplain_no_incremental): New function.
7724         (explain_no_incremental): New function.
7725         (Incremental_binary::error): New method.
7726         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7727         method.
7728         (make_sized_incremental_binary): New function.
7729         (open_incremental_binary): New function.
7730         (can_incrementally_link_file): Add checks if output is ELF and has
7731         inputs section.
7732         * incremental.h: Include "elfcpp_file.h" and "output.h".
7733         (Incremental_binary): New class.
7734         (Sized_incremental_binary): New class.
7735         (open_incremental_binary): Declare.
7736         * object.cc (is_elf_object): Use
7737         elfcpp::Elf_recognizer::is_elf_file.
7738         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7739         * output.h (Output_file::filesize): New method.
7740
7741 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7742
7743         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7744         New function.
7745         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7746         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7747         function.
7748         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7749         function.
7750         (Arm_relocate_functions::movw_abs_nc): New function.
7751         (Arm_relocate_functions::movt_abs): New function.
7752         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7753         (Arm_relocate_functions::thm_movt_abs): New function.
7754         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7755         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7756         (Scan::global): Likewise.
7757         (Relocate::relocate): Likewise.
7758         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7759
7760 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7761
7762         * arm.cc (Arm_relocate_functions::got_prel) New function.
7763         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7764         (Relocate::relocate): Likewise.
7765         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7766
7767 2009-10-06  Ian Lance Taylor  <iant@google.com>
7768
7769         * options.h (class General_options): Define
7770         split_stack_adjust_size parameter.
7771         * object.h (class Object): Add uses_split_stack_ and
7772         has_no_split_stack_ fields.  Add uses_split_stack and
7773         has_no_split_stack accessor functions.  Declare
7774         handle_split_stack_section.
7775         (class Reloc_symbol_changes): Define.
7776         (class Sized_relobj): Define Function_offsets.  Declare
7777         split_stack_adjust, split_stack_adjust_reltype, and
7778         find_functions.
7779         * object.cc (Object::handle_split_stack_section): New function.
7780         (Sized_relobj::do_layout): Call handle_split_stack_section.
7781         * dynobj.cc (Sized_dynobj::do_layout): Call
7782         handle_split_stack_section.
7783         * reloc.cc (Sized_relobj::relocate_sections): Call
7784         split_stack_adjust for executable sections in split_stack
7785         objects.  Pass reloc_map to relocate_section.
7786         (Sized_relobj::split_stack_adjust): New function.
7787         (Sized_relobj::split_stack_adjust_reltype): New function.
7788         (Sized_relobj::find_functions): New function.
7789         * target-reloc.h: Include "object.h".
7790         (relocate_section): Add reloc_symbol_changes parameter.  Change
7791         all callers.
7792         * target.h (class Target): Add calls_non_split method.  Declare
7793         do_calls_non_split virtual method.  Declare match_view and
7794         set_view_to_nop.
7795         * target.cc: Include "elfcpp.h".
7796         (Target::do_calls_non_split): New function.
7797         (Target::match_view): New function.
7798         (Target::set_view_to_nop): New function.
7799         * gold.cc (queue_middle_tasks): Give an error if mixing
7800         split-stack and non-split-stack objects with -r.
7801         * i386.cc (Target_i386::relocate_section): Add
7802         reloc_symbol_changes parameter.
7803         (Target_i386::do_calls_non_split): New function.
7804         * x86_64.cc (Target_x86_64::relocate_section): Add
7805         reloc_symbol_changes parameter.
7806         (Target_x86_64::do_calls_non_split): New function.
7807         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7808         parameter.
7809         * powerpc.cc (Target_powerpc::relocate_section): Add
7810         reloc_symbol_changes parameter.
7811         * sparc.cc (Target_sparc::relocate_section): Add
7812         reloc_symbol_changes parameter.
7813         * configure.ac: Call AM_CONDITIONAL for the default target.
7814         * configure: Rebuild.
7815         * testsuite/Makefile.am (TEST_AS): New variable.
7816         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7817         (check_DATA): Add split_i386 and split_x86_64 files.
7818         (SPLIT_DEFSYMS): Define.
7819         (split_i386_[1234n].o): New targets.
7820         (split_i386_[124]): New targets.
7821         (split_i386_[1234r].stdout): New targets.
7822         (split_x86_64_[1234n].o): New targets.
7823         (split_x86_64_[124]): New targets.
7824         (split_x86_64_[1234r].stdout): New targets.
7825         (MOSTLYCLEANFILES): Add new executables.
7826         * testsuite/split_i386.sh: New file.
7827         * testsuite/split_x86_64.sh: New file.
7828         * testsuite/split_i386_1.s: New file.
7829         * testsuite/split_i386_2.s: New file.
7830         * testsuite/split_i386_3.s: New file.
7831         * testsuite/split_i386_4.s: New file.
7832         * testsuite/split_i386_n.s: New file.
7833         * testsuite/split_x86_64_1.s: New file.
7834         * testsuite/split_x86_64_2.s: New file.
7835         * testsuite/split_x86_64_3.s: New file.
7836         * testsuite/split_x86_64_4.s: New file.
7837         * testsuite/split_x86_64_n.s: New file.
7838         * testsuite/testfile.cc (Target_test): Update relocation_section
7839         function.
7840         * testsuite/Makefile.in: Rebuild.
7841
7842 2009-10-06  Ian Lance Taylor  <iant@google.com>
7843
7844         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7845         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7846         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7847         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7848         the address on ldo_addrs_.
7849         (Target_i386::Relocate::fix_up_ldo): New function.
7850
7851 2009-10-06   Rafael Espindola  <espindola@google.com>
7852
7853         * plugin.cc (add_input_library): New.
7854         (Plugin::load): Add add_input_library to tv.
7855         (Plugin_manager::add_input_file): Add the is_lib argument.
7856         (add_input_file): Update call to Plugin_manager::add_input_file.
7857         (add_input_library): New.
7858         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7859
7860 2009-09-30  Doug Kwan  <dougkwan@google.com>
7861
7862         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7863         symbol and call Symbol::may_need_copy_reloc to determine if
7864         a copy reloc is needed.
7865         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7866         nocopyreloc is given in command line.
7867         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7868         given in command line.
7869         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7870         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7871         of the removed Target_i386::may_need_copy_reloc.
7872         * options.h (copyreloc): New option with default value false.
7873         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7874         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7875         instead of the removed Target_powerpc::may_need_copy_reloc.
7876         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7877         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7878         instead of the removed Target_sparc::may_need_copy_reloc.
7879         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7880         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7881         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7882         instead of the removed Target_x86_64::may_need_copy_reloc.
7883
7884 2009-09-30  Ian Lance Taylor  <iant@google.com>
7885
7886         * object.h (class Object): Remove target_ field, and target,
7887         sized_target, and set_target methods.
7888         (Object::sized_target): Remove.
7889         (class Sized_relobj): Update declarations.  Remove sized_target.
7890         * object.cc (Sized_relobj::setup): Remove target parameter.
7891         Change all callers.
7892         (Input_objects::add_object): Don't do anything with the target.
7893         (make_elf_sized_object): Add punconfigured parameter.  Change all
7894         callers.  Set or test parameter target.
7895         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7896         Change all callers.
7897         * parameters.cc (Parameters::set_target): Change parameter type to
7898         be non-const.
7899         (Parameters::default_target): Remove.
7900         (set_parameters_target): Change parameter type to be non-const.
7901         (parameters_force_valid_target): New function.
7902         (parameters_clear_target): New function.
7903         * parameters.h (class Parameters): Update declarations.  Remove
7904         default_target method.  Add sized_target and clear_target
7905         methods.  Change target_ to be non-const.
7906         (set_parameters_target): Update declaration.
7907         (parameters_force_valid_target): Declare.
7908         (parameters_clear_target): Declare.
7909         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7910         as NULL if we aren't searching.
7911         (Add_symbols::run): Don't check for compatible target.
7912         * fileread.cc (Input_file::open_binary): Call
7913         parameters_force_valid_target.
7914         * gold.cc (queue_middle_tasks): Likewise.
7915         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7916         set_target on object.
7917         * dynobj.h (class Sized_dynobj): Update declarations.
7918         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7919         make_elf_object returns NULL.
7920         (Archive::include_member): Don't check whether object target is
7921         compatible.
7922         * output.cc (Output_section::add_input_section): Get target from
7923         parameters.
7924         (Output_section::relax_input_section): Likewise.
7925         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7926         parameters.
7927         (Sized_relobj::do_scan_relocs): Likewise.
7928         (Sized_relobj::relocate_sections): Likewise.
7929         * resolve.cc (Symbol_table::resolve): Likewise.
7930         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7931         parameter.  Change all callers.
7932         (Symbol_table::add_from_object): Get target from parameters.
7933         (Symbol_table::add_from_relobj): Don't check object target.
7934         (Symbol_table::add_from_dynobj): Likewise.
7935         (Symbol_table::define_special_symbol): Get target from
7936         parameters.
7937         * symtab.h (class Symbol_table): Update declaration.
7938         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7939         parameter.  Change all callers.  Clear parameter target.
7940         (Binary_test): Test target here.
7941         * testsuite/object_unittest.cc (gold_testsuite): Remove
7942         target_test_pointer parameter.  Change all callers.
7943         (Object_test): Test target here.
7944
7945 2009-09-26  Ian Lance Taylor  <iant@google.com>
7946
7947         * testsuite/initpri1.c: Don't try to use constructor priorities if
7948         compiling with gcc before 4.3.
7949
7950 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7951
7952         * testsuite/retain_symbols_file_test.sh (check_present): Change
7953         output file name to retain_symbols_file_test.stdout.
7954         (check_absent): Likewise.
7955
7956 2009-09-18  Craig Silverstein  <csilvers@google.com>
7957
7958         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7959         * options.cc: Include <cerrno> and <fstream>.
7960         (General_options::finalize): Parse -retain-symbols-file tag.
7961         * options.h: New flag.
7962         (General_options): New method should_retain_symbol, new
7963         variable symbols_to_retain.
7964         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7965         should_retain_symbol map.
7966         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7967         * testsuite/Makefile.in: Regenerate.
7968         * testsuite/retain_symbols_file_test.sh: New file.
7969
7970 2009-09-18  Nick Clifton  <nickc@redhat.com>
7971
7972         * po/es.po: Updated Spanish translation.
7973
7974 2009-09-17  Doug Kwan  <dougkwan@google.com>
7975
7976         * debug.h (DEBUG_RELAXATION): New constant.
7977         (DEBUG_ALL): Add DEBUG_RELAXATION.
7978         (debug_string_to_enum): Add relaxation debug option.
7979         * layout.cc
7980         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7981         Layout::Relaxation_debug_check::read_sections,
7982         Layout::Relaxation_debug_check::read_sections): New method definitions.
7983         (Layout::Layout): Initialize data members
7984         record_output_section_data_from_scrips_,
7985         script_output_section_data_list_ and relaxation_debug_check_.
7986         (Layout::save_segments, Layout::restore_segments,
7987         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7988         Layout::relaxation_loop_body): New method definitions.
7989         (Layout::finalize): Support relaxation.  Move section layout code to
7990         Layout::relaxation_loop_body.
7991         (Layout::set_asection_address_from_script): Move code for orphan
7992         section placement out.
7993         (Layout::place_orphan_sections_in_script): New method definition.
7994         * layout.h (Output_segment_headers, Output_file_header):
7995         New forward class declarations.
7996         (Layout::~Layout): Define.
7997         (Layout::new_output_section_data_from_script): New method definition.
7998         (Layout::place_orphan_sections_in_script): New method declaration.
7999         (Layout::Segment_states): New type declaration.
8000         (Layout::save_segments, Layout::restore_segments,
8001         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8002         Layout::relaxation_loop_body): New method declarations.
8003         (Layout::Output_section_data_list): New type declaration.
8004         (Layout::Relaxation_debug_check): New class definition.
8005         (Layout::record_output_section_data_from_script_,
8006         Layout::script_output_section_data_list_, Layout::segment_states_,
8007         Layout::relaxation_debug_check_): New data members.
8008         * output.cc: (Output_section_headers::do_size): New method definition.
8009         (Output_section_headers::Output_section_headers): Move size
8010         computation to Output_section_headers::do_size.
8011         (Output_segment_headers::do_size): New method definition.
8012         (Output_file_header::Output_file_header): Move size computation to
8013         Output_file_header::do_size and call it.
8014         (Output_file_header::do_size): New method definition.
8015         (Output_data_group::Output_data_group): Adjust call to
8016         Output_section_data.
8017         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8018         (Output_symtab_xindex::do_write): Add array bound check.
8019         (Output_section::Input_section::print_to_mapfile): Handle
8020         RELAXED_INPUT_SECTION_CODE.
8021         (Output_section::Output_section): Initialize data member checkpoint_.
8022         (Output_section::~Output_section): Delete checkpoint object pointed
8023         by checkpoint_.
8024         (Output_section::add_input_section): Always add an Input_section if
8025         relaxing.
8026         (Output_section::add_merge_input_section): Add assert.
8027         (Output_section::relax_input_section): New method definition.
8028         (Output_section::set_final_data_size): Set load address to zero for
8029         an unallocated section.
8030         (Output_section::do_address_and_file_offset_have_reset_values):
8031         New method definition.
8032         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8033         Handle relaxed input section.
8034         (Output_section::sort_attached_input_sections): Checkpoint input
8035         section list lazily.
8036         (Output_section::get_input_sections): Change type of input_sections to
8037         list of Simple_input_section pointers.  Checkpoint input section list
8038         lazily.  Also handle relaxed input sections.
8039         (Output_section::add_input_section_for_script): Take a reference to
8040         a Simple_input_section object instead of Relobj pointer and section
8041         index as parameter.  Handle relaxed input sections.
8042         (Output_section::save_states, Output_section::restore_states): New
8043         method definitions.
8044         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8045         (Output_data::is_data_size_fixed): New method definition.
8046         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8047         if it is fixed.
8048         (Output_data::address_and_file_offset_have_reset_values): New method
8049         definition.
8050         (Output_data::do_address_and_file_offset_have_reset_values): New method
8051         definition.
8052         (Output_data::set_data_size): Check that data size is not fixed.
8053         (Output_data::fix_data_size): New method definition.
8054         (Output_data::is_data_size_fixed_): New data member.
8055         (Output_section_headers::set_final_data_size): New method definition.
8056         (Output_section_headers::do_size): New method declaration.
8057         (Output_segment_headers::set_final_data_size): New method definition.
8058         (Output_segment_headers::do_size): New method declaration.
8059         (Output_file_header::set_final_data_size)::New method definition.
8060         (Output_file_header::do_size)::New method declaration.
8061         (Output_section_data::Output_section_data): Add new parameter
8062         is_data_size_fixed and use it to fix data size.
8063         (Output_data_const::Output_data_const): Adjust call to base class
8064         constructor and fix data size.
8065         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8066         base class constructor and fix data size.
8067         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8068         base class constructor and fix data size.
8069         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8070         class constructor and fix data size.
8071         (Output_data_group::set_final_data_size): New method definition.
8072         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8073         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8074         class constructor and fix data size.
8075         (Output_relaxed_input_section): New class definition.
8076         (Output_section::Simple_input_section): New class definition.
8077         (Output_section::get_input_sections): Adjust parameter list.
8078         (Output_section::add_input_section_for_script): Same.
8079         (Output_section::save_states, Output_section::restore_states,
8080         Output_section::do_address_and_file_offset_have_reset_values,
8081         (Output_section::Input_section::Input_section): Handle
8082         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8083         Output_relaxed_input_section.
8084         (Output_section::Input_section::is_input_section,
8085         Output_section::Input_section::set_output_section): Handle relaxed
8086         input section.
8087         (Output_section::Input_section::is_relaxed_input_section,
8088         Output_section::Input_section::output_section_data,
8089         Output_section::Input_section::relaxed_input_section): New method
8090         definitions.
8091         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8092         value.
8093         (Output_section::Input_section::u1_): Update comments.
8094         (Output_section::Input_section::u2_): Add new union member poris.
8095         (Output_section::Checkpoint_output_section): New classs definition.
8096         (Output_section::relax_input_section): New method declaration.
8097         (Output_section::checkpoint_): New data member.
8098         (Output_segment): Update comments.
8099         (Output_segment::Output_segment): Un-privatize copy constructor.
8100         (Output_segment::operator=): Un-privatize.
8101         * script-sections.cc (Output_section_element::Input_section_list):
8102         Change element type to Output_section::Simple_input_section.
8103         (Output_section_element_dot_assignment::set_section_addresses):
8104         Register output section data for relaxation clean up.
8105         (Output_data_exression::Output_data_expression): Adjust call to base
8106         constructor to fix data size.
8107         (Output_section_element_data::set_section_addresses): Register
8108         Output_data_expression object for relaxation clean up.
8109         (struct Input_section_info): Replace Relobj pointer and section index
8110         pair with Output_section::Simple_input_section and Convert struct to a
8111         class.
8112         (Input_section_sorter::operator()): Adjust access to
8113         Input_section_info data member to use accessors.
8114         (Output_section_element_input::set_section_addresses): Use layout
8115         parameter.  Adjust code to use Output_section::Simple_input_section
8116         and Input_secction_info classes.  Register filler for relaxation
8117         clean up.
8118         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8119         and section index pair with Output_section::Simple_input_section
8120         class.  Adjust code accordingly.
8121         (Phdrs_element::release_segment): New method definition.
8122         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8123         segment list.
8124         (Script_sections::release_segments): New method definition.
8125         * gold/script-sections.h (Script_sections::release_segments): New
8126         method declaration.
8127         * gold/target.h (Target::may_relax, Target::relax,
8128         Target::do_may_relax, Target::do_relax): New method definitions.
8129
8130 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8131
8132         * arm.cc (has_signed_unsigned_overflow): New function.
8133         (Arm_relocate_functions::abs8): New function.
8134         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8135         (Target_arm::Scan::global): Likewise.
8136         (Target_arm::relocate::relocate): Likewise.
8137         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8138         Likewise.
8139
8140 2009-09-16  Cary Coutant  <ccoutant@google.com>
8141
8142         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8143         * testsuite/Makefile.in: Regenerate.
8144
8145 2009-09-11  Nick Clifton  <nickc@redhat.com>
8146
8147         * po/gold.pot: Updated by the Translation project.
8148
8149 2009-09-08  Cary Coutant  <ccoutant@google.com>
8150
8151         * output.cc (Output_file::open): Add execute permission to empty file.
8152         * testsuite/Makefile.am (permission_test): New test.
8153         * testsuite/Makefile.in: Regenerate.
8154
8155 2009-09-02  Ian Lance Taylor  <iant@google.com>
8156
8157         * output.cc (Output_file::resize): Call map_no_anonymous rather
8158         than map.
8159
8160 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8161
8162         * gold.cc: Include "incremental.h".
8163         (queue_initial_tasks): Call Incremental_checker methods.
8164         * incremental.cc: Include "output.h".
8165         (Incremental_checker::can_incrementally_link_output_file): New
8166         method.
8167         * incremental.h (Incremental_checker): New class.
8168
8169         * output.cc (Output_file::open_for_modification): New method.
8170         (Output_file::map_anonymous): Changed return type to bool.  Record
8171         map in base_ field.
8172         (Output_file::map_no_anonymous): New method, broken out of map.
8173         (Output_file::map): Use map_no_anonymous and map_anonymous.
8174         * output.h (class Output_file): Update declarations.
8175
8176 2009-08-24  Cary Coutant  <ccoutant@google.com>
8177
8178         * options.h (Command_line::Pre_options): New class.
8179         (Command_line::pre_options): New member.
8180         * options.cc (gold::options::ready_to_register): New variable.
8181         (One_option::register_option): Do nothing if not registering options.
8182         Assert if same short option registered twice.
8183         (General_options::General_options): Turn off option registration when
8184         done constructing.
8185         (Command_line::Pre_options::Pre_options): New constructor.
8186
8187 2009-08-24  Cary Coutant  <ccoutant@google.com>
8188
8189         * options.h (General_options::no_keep_memory): Remove incorrect
8190         short option.
8191
8192 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8193
8194         * Makefile.am (am__skiplex, am__skipyacc): New.
8195         * Makefile.in: Regenerate.
8196
8197 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8198
8199         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8200         (INCLUDES): ... this.
8201         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8202         (AM_CPPFLAGS): Renamed from ...
8203         (INCLUDE): ... this.
8204         * Makefile.in, testsuite/Makefile.in: Regenerate.
8205
8206         * Makefile.in: Regenerate.
8207         * aclocal.m4: Likewise.
8208         * config.in: Likewise.
8209         * configure: Likewise.
8210         * testsuite/Makefile.in: Likewise.
8211
8212         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8213         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8214         * Makefile.in: Regenerate.
8215         * testsuite/Makefile.in: Regenerate.
8216
8217 2009-08-19  Cary Coutant  <ccoutant@google.com>
8218
8219         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8220         symbols in shared libraries overridden by hidden or internal symbols
8221         in the main program.
8222
8223 2009-08-19  Chris Demetriou  <cgd@google.com>
8224
8225         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8226         checking source file names in error messages.
8227
8228 2009-08-18  Doug Kwan  <dougkwan@google.com>
8229
8230         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8231         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8232         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8233         an elfcpp::Ehdr as parameter.
8234         * object.cc (Object::set_target): Remove the version that looks up
8235         a target and sets it.
8236         (Sized_relobj::setup): Take a Target object instead of
8237         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8238         (make_elf_sized_object): Find target and ask target to
8239         make an ELF object.
8240         * object.h: (Object::set_target): Remove the version that looks up
8241         a target and sets it.
8242         (Sized_relobj::setup): Take a Target object instead of
8243         an elfcpp:Ehdr as parameter.
8244         * target.cc: Include dynobj.h.
8245         (Target::do_make_elf_object_implementation): New.
8246         (Target::do_make_elf_object): New.
8247         * target.h (Target::make_elf_object): New template declaration.
8248         (Target::do_make_elf_object): New method declarations.
8249         (Target::do_make_elf_object_implementation): New template declaration.
8250
8251 2009-08-14  Ian Lance Taylor  <iant@google.com>
8252
8253         * gold.h (FUNCTION_NAME): Define.
8254         (gold_unreachable): Use FUNCTION_NAME.
8255
8256 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8257
8258         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8259         symbol in the --keep-unique list is not found.
8260
8261 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8262
8263         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8264         been maked as --keep-unique.
8265         (Icf::unfold_section): New function.
8266         * icf.h (Icf::unfold_section): New function.
8267         * options.h (General_options::keep_unique): New option.
8268         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8269         * testsuite/Makefile.in: Regenerate.
8270         * testsuite/icf_keep_unique_test.sh: New file.
8271         * testsuite/icf_keep_unique_test.cc: New file.
8272
8273 2009-08-12  Cary Coutant  <ccoutant@google.com>
8274
8275         PR 10471
8276         * resolve.cc (Symbol_table::resolve): Check for references from
8277         dynamic objects to hidden and internal symbols.
8278         * testsuite/Makefile.am (hidden_test.sh): New test.
8279         * testsuite/Makefile.in: Regenerate.
8280         * testsuite/hidden_test.sh: New script.
8281         * testsuite/hidden_test_1.c: New test source.
8282         * testsuite/hidden_test_main.c: New test source.
8283
8284 2009-08-11  Doug Kwan  <dougkwan@google.com>
8285
8286         * arm.cc: Update comments.
8287         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8288         segment to locate the .ARM.exidx section if present.
8289
8290 2009-08-09  Doug Kwan  <dougkwan@google.com>
8291
8292         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8293         patch.
8294
8295 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8296         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8297         compiler warnings.
8298
8299 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8300
8301         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8302         valid tls_segment only for non-debug-section relocations.
8303         * testsuite/Makefile.am: Add gc_tls_test.
8304         * testsuite/Makefile.in: Regenerate.
8305         * testsuite/gc_tls_test.cc: New file.
8306         * testsuite/gc_tls_test.sh: New file.
8307
8308 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8309
8310         * icf.cc: New file.
8311         * icf.h: New file.
8312         * Makefile.am (CCFILES): Add icf.cc.
8313         (HFILES): Add icf.h
8314         * Makefile.in: Regenerate.
8315         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8316         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8317         section, symbol and addend information for the relocs.
8318         * gold.cc (queue_middle_tasks): Call identical code folding.
8319         * gold.h: Add defines for multimap.
8320         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8321         to the call of finalize_local_symbols.
8322         * main.cc (main): Create object of class Icf.
8323         * object.cc (Sized_relobj::do_layout): Allow this function to be
8324         called twice during icf.
8325         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8326         to sections marked as identical by icf.
8327         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8328         when available.
8329         (Sized_relobj::do_section_entsize): New function.
8330         * object.h (Object::section_entsize): New function.
8331         (Object::do_section_entsize): New pure virtual function.
8332         (Relobj::finalize_local_symbols): Add new parameter.
8333         (Relobj::do_section_entsize): New function.
8334         * options.h (General_options::icf): New option.
8335         (General_options::icf_iterations): New option.
8336         (General_options::print_icf_sections): New option.
8337         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8338         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8339         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8340         icf.
8341         * symtab.cc (Symbol_table::is_section_folded): New function.
8342         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8343         to sections marked as identical by icf.
8344         * symtab.h (Symbol_table::set_icf): New function.
8345         (Symbol_table::icf): New function.
8346         (Symbol_table::is_section_folded): New function.
8347         (Symbol_table::icf_): New data member.
8348         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8349         * testsuite/Makefile.am: Add commands to build icf_test.
8350         * testsuite/Makefile.in: Regenerate.
8351         * testsuite/icf_test.sh: New file.
8352         * testsuite/icf_test.cc: New file.
8353
8354 2009-07-24  Chris Demetriou  <cgd@google.com>
8355
8356         * layout.cc (is_compressible_debug_section): Fix incorrect
8357         comment about compressed section names.
8358
8359 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8360
8361         PR 10419
8362         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8363
8364 2009-07-16  Ian Lance Taylor  <iant@google.com>
8365
8366         PR 10400
8367         * layout.h: #include <map>.
8368         (class Kept_section): Change from struct to class.  Add accessors
8369         and setters.  Add section size to Comdat_group mapping.  Change
8370         Comdat_group to std::map.  Add is_comdat_ field.  Add
8371         linkonce_size field in union.
8372         (class Layout): Update declaration of find_or_add_kept_section.
8373         Don't declare find_kept_object.
8374         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8375         parameter.  Add object, shndx, is_comdat, and is_group_name
8376         parameters.  Change all callers.  Adjust for new Kept_section.
8377         (Layout::find_kept_object): Remove.
8378         * object.cc (Sized_relobj::include_section_group): Update use of
8379         Kept_section.  Rename secnum to shndx.  Only record
8380         Kept_comdat_section if sections are the same size.
8381         (Sized_relobj::include_linkonce_section): Update use of
8382         Kept_section.  Only record Kept_comdat_section if sections are the
8383         same size.  Set size of linkonce section.
8384         (Sized_relobj::map_to_kept_section): Update call to
8385         get_kept_comdat_section.
8386         * object.h (class Sized_relobj): Rename fields in
8387         Kept_comdat_section to drop trailing underscores; change object
8388         field to Relobj*.  Change Kept_comdat_section_table to store
8389         struct rather than pointer.
8390         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8391         Add kept_object and kept_shndx parameters.  Change all callers.
8392         (Sized_relobj::get_kept_comdat_section): Change return type to
8393         bool.  Add kept_object and kept_shndx parameters.  Change all
8394         callers.
8395         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8396         Layout::find_or_add_kept_section.
8397
8398 2009-07-09  Ian Lance Taylor  <iant@google.com>
8399
8400         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8401         Reserve space in the hash table.
8402
8403 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8404
8405         * fileread.cc (File_read::get_mtime): New method.
8406         * fileread.h (Timespec): New structure.
8407         (File_read::get_mtime): New method.
8408         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8409         Renamed from timestamp_nsec.
8410         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8411         Elf_Xword.
8412         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8413         timestamp_nsec.
8414         (Incremental_inputs::report_archive): Save mtime; style fix.
8415         (Incremental_inputs::report_obejct): Save mtime; style fix.
8416         (Incremental_inputs::report_script): Save mtime; style fix.
8417         (Incremental_inputs::finalize_inputs): Style fix.
8418         (Incremental_inputs::finalize): Style fix.
8419         (Incremental_inputs::create_input_section_data): Store inputs
8420         mtime.
8421         * incremental.h (Incremental_inputs::report_script): Add mtime
8422         argument.
8423         (Incremental_inputs::Input_info::Input_info): Intialize only one
8424         union member.
8425         (Incremental_inputs::Input_info::archive): Move to nameless
8426         union.
8427         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8428         (Incremental_inputs::Input_info::script): Move to nameless union.
8429         (Incremental_inputs::mtime): New field.
8430         * script.cc (read_input_script): Pass file mtime to
8431         Incremental_input.
8432         * script.h (Script_info::inputs): Style fix.
8433
8434 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8435
8436         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8437         instead of 32.
8438
8439 2009-06-24  Ian Lance Taylor  <iant@google.com>
8440
8441         PR 10156
8442         * layout.cc (Layout::choose_output_section): If we find an
8443         existing section, update the flags.
8444         (Layout::create_notes): New function, broken out of
8445         Layout::finalize.
8446         (Layout::finalize): Don't create note sections.
8447         (Layout::create_note): Don't crash if linker script discards
8448         section.
8449         (Layout::create_gold_note): Likewise.
8450         (Layout::create_build_id): Likewise.  Don't set
8451         after_input_sections on the section.
8452         (Layout::create_executable_stack_info): Remove target parameter.
8453         Change caller.
8454         * layout.h (class Layout): Declare create_notes.  Update
8455         declaration of create_executable_stack_info.
8456         * gold.cc (queue_middle_tasks): Call create_notes.
8457         * output.cc (Output_section::update_flags_for_input_section): Move
8458         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8459         invalid.
8460         * output.h (Output_data::mark_address_invalid): New function.
8461         (class Output_section): Only declare, not define,
8462         update_flags_for_input_section.  Remove set_flags.
8463
8464 2009-06-24  Ian Lance Taylor  <iant@google.com>
8465
8466         * script-sections.cc (Output_section_definition::
8467         set_section_addresses): Rename shadowing local load_address to
8468         laddr.
8469
8470 2009-06-24  Ian Lance Taylor  <iant@google.com>
8471
8472         PR 10244
8473         * reloc.cc (relocate_sections): Skip empty relocation sections.
8474
8475 2009-06-23  Ian Lance Taylor  <iant@google.com>
8476
8477         PR 10156
8478         * layout.cc (Layout::create_note): Use choose_output_section
8479         rather than make_output_section.
8480
8481 2009-06-23  Ian Lance Taylor  <iant@google.com>
8482
8483         PR 10237
8484         * options.cc (General_options::parse_V): Set printed_version_.
8485         (General_options::General_options): Initialize printed_version_.
8486         * options.h (class General_options): Add printed_version_ field.
8487         * gold.cc (queue_initial_tasks): If there are no input files,
8488         don't give a fatal error if we printed the version information.
8489         (queue_middle_tasks): If using -r with a shared object, give a
8490         fatal error rather than an ordinary error.
8491
8492 2009-06-23  Ian Lance Taylor  <iant@google.com>
8493
8494         PR 10219
8495         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8496         (Layout::make_output_section): Set have_stabstr_section_ if we see
8497         a .stab*str section.
8498         (Layout::finalize): Call link_stabs_sections.
8499         (Layout::link_stabs_sections): New file.
8500         * layout.h (class Layout): Add have_stabstr_section_ field.
8501         Declare link_stabs_sections.
8502
8503 2009-06-23  Doug Kwan  <dougkwan@google.com>
8504
8505         * Makefile.am (libgold_a_LIBADD): New.
8506         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8507         * Makefile.in: Regenerate.
8508         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8509         * configure: Regenerate.
8510         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8511         * fileread.cc: Include sys/state.h
8512         * gold.h: Declare memmem and strndup if found missing.
8513         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8514
8515 2009-06-23  Ian Lance Taylor  <iant@google.com>
8516
8517         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8518         * configure: Rebuild.
8519
8520 2009-06-23  Ian Lance Taylor  <iant@google.com>
8521
8522         PR 10147
8523         * object.cc (Object::section_contents): Don't try to get a view if
8524         the section has length zero.
8525         (Object::handle_gnu_warning_section): If the section is empty, use
8526         the name of the section as the warning.
8527
8528 2009-06-23  Ian Lance Taylor  <iant@google.com>
8529
8530         PR 10133
8531         * stringpool.h (class Stringpool_template): Add optimize_ field.
8532         (Stringpool_template::set_optimize): New function.
8533         * stringpool.cc (Stringpool_template::Stringpool_template):
8534         Initialize optimize_ field.
8535         (Stringpool_template::set_string_offsets): Test local optimize
8536         fild rather than parameter.
8537         * layout.cc (Layout::Layout): Call set_optimize on the section
8538         name stringpool.
8539
8540 2009-06-22  Ian Lance Taylor  <iant@google.com>
8541
8542         PR 10030
8543         * yyscript.y: Parse TARGET.
8544         * script.cc (script_set_target): New function.
8545         * script-c.h (script_set_target): Declare.
8546         * options.cc (General_options::string_to_object_format): Rename
8547         from string_to_object_format in anonymous namespace.  Change
8548         callers.
8549         * options.h (class General_options): Declare
8550         string_to_object_format.
8551
8552 2009-06-22  Ian Lance Taylor  <iant@google.com>
8553
8554         * script-sections.cc (Script_sections::create_segments): Don't put
8555         program headers in a PT_LOAD segment if -n or -N.
8556
8557 2009-06-22  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 10141
8560         * options.h (class General_options): Add -z lazy and -z now.  Sort
8561         -z options into alphabetical order.
8562         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8563
8564 2009-06-21  Ian Lance Taylor  <iant@google.com>
8565
8566         * layout.cc (Layout::make_output_section): Call
8567         Target::new_output_section.
8568         (Layout::attach_allocated_section_to_segment): Put large section
8569         sections in a separate load segment with the large segment flag
8570         set.
8571         (Layout::segment_precedes): Sort large data segments after other
8572         load segments.
8573         (align_file_offset): New static function.
8574         (Layout::set_segment_offsets): Use align_file_offset.
8575         * output.h (class Output_section): Add is_small_section_ and
8576         is_large_section_ fields.
8577         (Output_section::is_small_section): New function.
8578         (Output_section::set_is_small_section):  New function.
8579         (Output_section::is_large_section): New function.
8580         (Output_section::set_is_large_section): New function.
8581         (Output_section::is_large_data_section): New function.
8582         (class Output_segment): Add is_large_data_segment_ field.
8583         (Output_segment::is_large_data_segment): New function.
8584         (Output_segment::set_is_large_data_segment): New function.
8585         * output.cc (Output_section::Output_section): Initialize new
8586         fields.
8587         (Output_segment::Output_segment): Likewise.
8588         (Output_segment::add_output_section): Add assertion that large
8589         data sections always go in large data segments.  Force small data
8590         sections to the end of the list of data sections.  Force small BSS
8591         sections to the start of the list of BSS sections.  For large BSS
8592         sections to the end of the list of BSS sections.
8593         * symtab.h (class Symbol): Declare is_common_shndx.
8594         (Symbol::is_defined): Check Symbol::is_common_shndx.
8595         (Symbol::is_common): Likewise.
8596         (class Symbol_table): Define enum Commons_section_type.  Update
8597         declarations.  Add small_commons_ and large_commons_ fields.
8598         * symtab.cc (Symbol::is_common_shndx): New function.
8599         (Symbol_table::Symbol_table): Initialize new fields.
8600         (Symbol_table::add_from_object): Put small and large common
8601         symbols in the right list.
8602         (Symbol_table::sized_finalized_symbol): Check
8603         Symbol::is_common_shndx.
8604         (Symbol_table::sized_write_globals): Likewise.
8605         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8606         common symbol lists.  Don't call do_allocate_commons_list if the
8607         list is empty.
8608         (Symbol_table::do_allocate_commons_list): Remove is_tls
8609         parameter.  Add comons_section_type parameter.  Change all
8610         callers.  Handle small and large common symbols.
8611         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8612         Symbol::is_common_shndx.
8613         * resolve.cc (symbol_to_bits): Likewise.
8614         * target.h (Target::small_common_shndx): New function.
8615         (Target::small_common_section_flags): New function.
8616         (Target::large_common_shndx): New function.
8617         (Target::large_common_section_flags): New function.
8618         (Target::new_output_section): New function.
8619         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8620         small_common_section_flags, and large_common_section_flags
8621         fields.
8622         (Target::do_new_output_section): New virtual function.
8623         * arm.cc (Target_arm::arm_info): Initialize new fields.
8624         * i386.cc (Target_i386::i386_info): Likewise.
8625         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8626         Likewise.
8627         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8628         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8629         (Target_x86_64::do_new_output_section): New function.
8630         * configure.ac: Define conditional MCMODEL_MEDIUM.
8631         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8632         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8633         (large_LDFLAGS): Define.
8634         * testsuite/large.c: New file.
8635         * testsuite/testfile.cc (Target_test::test_target_info):
8636         Initialize new fields.
8637         * configure, testsuite/Makefile.in: Rebuild.
8638
8639 2009-06-05  Doug Kwan  <dougkwan@google.com>
8640
8641         * Makefile.am (CCFILES): Add target.cc.
8642         * Makefile.in: Regenerate.
8643         * i386.cc (class Target_i386): Define new virtual method to
8644         override do_is_local_label_name in parent.
8645         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8646         local symbols if --discard-locals or -X is given.
8647         * options.h (class General_options): Declare new options
8648         '--discard-locals' and '-X' for discarding locals.
8649         * target.h (class Target): Define new methods is_local_label_name.
8650         Declare new virtual method do_is_local_label_name.
8651         * target.cc: New file.
8652         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8653         (check_SCRIPTS): Add discard_locals_test.sh.
8654         (check_DATA): Add discard_local_tests.syms.
8655         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8656         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8657         * testsuite/Makefile.in: Regenerate.
8658         * testsuite/discard_locals_test.c: New file.
8659         * testsuite/discard_locals_test.sh: Same.
8660
8661 2009-06-05  Doug Kwan  <dougkwan@google.com>
8662
8663         * object.cc (Sized_relobj::Sized_relobj): Initialize
8664         discarded_eh_frame_shndx_ to -1U.
8665         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8666         section.
8667         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8668         a discarded .eh_frame section.
8669         (Sized_relobj::do_finalize_local_symbols): Ditto.
8670         * object.h (class Sized_relobj): Declare new member
8671         discarded_eh_frame_shndx_.
8672         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8673         (local_labels_test.o, local_labels_test): New rules.
8674         * testsuite/Makefile.in: Regenerate.
8675
8676 2009-06-04  Doug Kwan  <dougkwan@google.com>
8677
8678         * layout.cc (Layout::section_name_mapping): Add mapping for
8679         special ARM sections.
8680
8681 2009-06-03  Doug Kwan  <dougkwan@google.com>
8682
8683         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8684         (utils::has_overflow): Same.
8685
8686 2009-06-03  Ian Lance Taylor  <iant@google.com>
8687
8688         * layout.cc (Layout::section_name_mapping): New array, replacing
8689         Layout::linkonce_mapping.
8690         (Layout::section_name_mapping_count): New variable, replacing
8691         Layout::linkonce_mapping_count.
8692         (Layout::linkonce_output_name): Remove.
8693         (Layout::output_section_name): Rewrite.
8694         * layout.h (class Layout): Rename Linkonce_mapping to
8695         Section_name_mapping, linkonce_mapping to section_name_mapping,
8696         linkonce_mapping_count to section_name_mapping_count.  Don't
8697         declare linkonce_output_name.
8698
8699 2009-06-03  Doug Kwan  <dougkwan@google.com>
8700
8701         * gold/arm.cc (namespace utils): New.
8702         (Target_arm::reloc_is_non_pic): Define new method.
8703         (class Arm_relocate_functions): New.
8704         (Target_arm::Relocate::relocate): Handle relocation types used by
8705         Android.
8706
8707 2009-06-03  Ian Lance Taylor  <iant@google.com>
8708
8709         * arm.cc (Target_arm::scan::global): Use || instead of |.
8710
8711 2009-06-02  Doug Kwan  <dougkwan@google.com>
8712
8713         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8714         issued_non_pic_error_.
8715         (class Target_arm::Scan): Declare new method check_non_pic.
8716         Define new method symbol_needs_plt_entry.
8717         Declare new data member issued_non_pic_error_.
8718         (class Target_arm::Relocate): Declare new method
8719         should_apply_static_reloc.
8720         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8721         (Target_arm::Scan::check_non_pic): Define new method.
8722         (Target_arm::Scan::local): Handle a small subset of reloc types used
8723         by Android.
8724         (Target_arm::Scan::local): Same.
8725         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8726
8727 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8728
8729         * incremental.cc (Incremental_inputs::report_command_line): Filter
8730         out --incremental-* options.
8731
8732 2009-05-29  Doug Kwan  <dougkwan@google.com>
8733
8734         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8735         template class.
8736         (class Target_arm): Update comment.
8737         (Target_arm::Target_arm): Initialize new data members GOT_,
8738         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8739         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8740         and Target_arm::rel_dyn_section.
8741         Declare new_enum Target_arm::Got_type.
8742         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8743         and DYNBSS_.
8744         Update commments for member do_dynsym_value.
8745         (Target_arm::got_size, Target_arm::plt_section,
8746         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8747         new methods inside class defintion.
8748         (Target_arm::got_section): Define new method.
8749         (Target_arm::rel_dyn_section): Same.
8750         (Output_data_plt_arm): New template class.
8751         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8752         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8753         (Output_data_plt_arm::add_entry): Same.
8754         (Output_data_plt_arm::first_plt_entry): Define new
8755         static data member for PLT instruction template.
8756         (Output_data_plt_arm::plt_entry): Same.
8757         (Output_data_plt_arm::do_write): Define new method.
8758         (Target_arm::make_plt_entry): Same.
8759         (Target_arm::do_finalize_sections): Same.
8760         (Target_arm::do_dynsym_value): Same.
8761
8762 2009-05-28  Doug Kwan  <dougkwan@google.com>
8763
8764         * Makefile.am (TARGETSOURCES): Add arm.cc.
8765         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8766         * Makefile.in: Regenerate.
8767         * arm.cc: New file.
8768         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8769
8770 2009-05-26  Doug Kwan  <dougkwan@google.com>
8771
8772         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8773         (General_options::check_excluded_libs): Strip off directories in
8774         archive name before matching like GNU ld does.
8775         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8776         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8777         (exclude_libs_test_LDFLAGS): Add linker option
8778         -Wl,--exclude-libs,libexclude_libs_test_3
8779         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8780         an explicit archive without using -l.
8781         (alt/libexclude_libs_test_3.a): New make rule.
8782         * testsuite/Makefile.in: Regenerate.
8783         * testsuite/exclude_libs_test.c : Declare lib3_default().
8784         (main): Call it.
8785         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8786         * exclude_libs_test_3.c: New file.
8787
8788 2009-05-26  Nick Clifton  <nickc@redhat.com>
8789
8790         * po/id.po: New Indonesian translation.
8791         * po/gold.pot: Updated template file.
8792
8793 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8794
8795         * testsuite/Makefile.am: Add -ffunction-sections to compile
8796         gc_comdat_test files.  Add -Wl,--gc-sections to build
8797         gc_comdat_test.
8798         * testsuite/Makefile.in: Regenerate.
8799         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8800
8801 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8802
8803         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8804         kept comdat section was garbage collected.
8805         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8806         * testsuite/Makefile.in: Regenerate.
8807         * testsuite/gc_comdat_test.sh: New file.
8808         * testsuite/gc_comdat_test_1.cc: New file.
8809         * testsuite/gc_comdat_test_2.cc: New file.
8810
8811 2009-05-19  Doug Kwan  <dougkwan@google.com>
8812
8813         * archive.cc (Archive::Archive): Move constructor from archive.h
8814         to here.  Initialize no_export_.
8815         (Archive::get_elf_object_for_member): Set no_export flag of object.
8816         * archive.h (Archive::Archive): Move constructor body to
8817         archive.cc.
8818         (Archive::no_export): New method.
8819         (Archive::no_export_): New field.
8820         * object.h (Object::Object): Initialize no_export_ to false.
8821         (Object::no_export, Object::set_no_export): New methods.
8822         (Object::no_export_): New field.
8823         * options.cc (General_options::parse_exclude_libs): New method.
8824         (General_options::check_excluded_libs) Same.
8825         * options.h (exclude_libs): New option.
8826         (General_options::check_excluded_libs): New method declaration.
8827         (General_options::excluded_libs_): New field.
8828         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8829         default or protected visibility if an object has no-export flag set.
8830         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8831         (check_SCRIPTS): Add exclude_libs_test.sh.
8832         (check_DATA): Add exclude_libs_test.syms.
8833         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8834         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8835         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8836         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8837         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8838         libexclude_libs_test_2.a): New rules.
8839         * testsuite/Makefile.in: Regenerate.
8840         * testsuite/exclude_libs_test.c: New file.
8841         * testsuite/exclude_libs_test.sh: Ditto.
8842         * testsuite/exclude_libs_test_1.c: Ditto.
8843         * testsuite/exclude_libs_test_2.c: Ditto.
8844
8845 2009-05-15  Ian Lance Taylor  <iant@google.com>
8846
8847         * configure.ac: Check for declarations for cases where libiberty.h
8848         checks HAVE_DECL_xxx.
8849         * configure, config.in: Rebuild.
8850
8851 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8852
8853         * gold.h (Incremental_argument_list): Remove (invalid) forward
8854         declaration.
8855         * incremental.cc (Incremental_inputs::report_achive): New method.
8856         (Incremental_inputs::report_object): New method.
8857         (Incremental_inputs::report_script): New method.
8858         (Incremental_inputs::finalize_inputs): New method.
8859         (Incremental_inputs::finalize): Call finalize_inputs().
8860         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8861         Create inputs entries.
8862         * incremental.h (Incremental_input_type): New enum.
8863         (Incremental_inputs::Incremental_input): Initialize new fields.
8864         (Incremental_inputs::report_inputs): New method.
8865         (Incremental_inputs::report_achive): New method.
8866         (Incremental_inputs::report_object): New method.
8867         (Incremental_inputs::report_script): New method.
8868         (Incremental_inputs::finalize_inputs): New method.
8869         (Incremental_inputs::Input_info): New struct.
8870         (Incremental_inputs::Input_info_map): New typedef.
8871         (Incremental_inputs::lock_): New field.
8872         (Incremental_inputs::Inputs_): New field.
8873         (Incremental_inputs::Inputs_map): New field.
8874         * main.cc (main): Call Incremental_input::report_inputs.
8875         * options.h (Input_argument_list): Typedef moved from
8876         Input_arguments.
8877         (Input_file_group::Files): Remove, use ::Input_argument_list.
8878         (Input_file_group::Input_argument_list): Remove, use
8879         ::Input_argument_list.
8880         * plugin.cc (Plugin_manager::add_input_file): Add error in
8881         incremental build.
8882         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8883         functions.
8884         * script.cc (read_input_script): Call
8885         Incremental_input::report_script.
8886         * script.h (Script_info): New class.
8887
8888 2009-04-27  Ian Lance Taylor  <iant@google.com>
8889
8890         * x86_64.cc (do_adjust_output_section): Set entsize to
8891         plt_entry_size.
8892
8893 2009-04-23  Elliott Hughes  <enh@google.com>
8894
8895         * output.cc (Output_file::close): After short writes, continue
8896         writing from the correct offset in the buffer being written.
8897
8898 2009-04-23  Chris Demetriou  <cgd@google.com>
8899
8900         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8901         * configure: Regenerate.
8902         * config.in: Regenerate.
8903         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8904         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8905
8906 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8907
8908         * incremental.cc (Incremental_inputs_header_data): Renamed from
8909         Incremental_input_header_data.
8910         (Incremental_inputs_header_data::data_size): New field.
8911         (Incremental_inputs_header_data::put_input_file_count): Renamed
8912         from input_file_count.
8913         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8914         from command_line_offset.
8915         (Incremental_inputs_header_data::put_reserved): Renamed from
8916         put_reserved.
8917         (Incremental_inputs_entry_data): Renamed from
8918         Incremental_input_entry_data.
8919         (Incremental_inputs_entry_data::data_size): New field.
8920         (Incremental_inputs::report_command_line): New method.
8921         (Incremental_inputs::finalize): New method.
8922         (Incremental_inputs::create_incremental_inputs_data): New method.
8923         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8924         * incremental.h: New file.
8925         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8926        (Layout::finalize): Create incremental inputs section in
8927         incremental builds.
8928        (Layout::create_incremental_info_sections): New method.
8929         * layout.h (Layout::incremental_inputs): New method.
8930        (Layout::create_incremental_info_sections): New method.
8931        (Layout::incremental_inputs_): New field.
8932         * main.cc (main): Notify Incremental_input of the command line.
8933
8934 2009-04-01  Ian Lance Taylor  <iant@google.com>
8935             Mikolaj Zalewski  <mikolajz@google.com>
8936
8937         * gold.h (reserve_unordered_map): Define, three versions, one for
8938         each version of Unordered_map.
8939         * layout.cc (Layout::Layout): Remove options parameter.  Add
8940         number_of_input_files parameter.  Don't initialize options_.
8941         Initialize number_of_input_files_ and resized_signatures_.  Move
8942         sections_are_attached_.
8943         (Layout::layout_group): Reserve space for group_signatures_.
8944         (Layout::find_or_add_kept_section): Change name parameter to be a
8945         reference.  Resize signatures_ map when it gets large enough.
8946         (Layout::layout_eh_frame): Use parameters->options() instead of
8947         this->options_.
8948         (Layout::make_output_section): Likewise.
8949         (Layout::attach_allocated_section_to_segment): Likewise.
8950         (Layout::finalize, Layout::create_executable_stack): Likewise.
8951         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8952         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8953         * layout.h (class Layout): Update declarations.  Remove options_
8954         field.  Add number_of_input_files_ and resized_signatures_
8955         fields.  Move sections_are_attached_ field.
8956         * main.cc (main): Pass number of input files to Layout
8957         constructor.  Don't pass options.
8958
8959 2009-03-30  Ian Lance Taylor  <iant@google.com>
8960
8961         * ffsll.c (ffsll): Correct implementation.
8962
8963 2009-03-27  Ian Lance Taylor  <iant@google.com>
8964
8965         * ffsll.c: New file.
8966         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8967         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8968         * ftruncate.c (ftruncate): Declare before definition.
8969         * mremap.c (mremap): Likewise.
8970         * pread.c (pread): Likewise.
8971         * configure, Makefile.in, config.in: Rebuild.
8972
8973         * mremap.c: New file.
8974         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8975         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8976         (mremap): Declare if HAVE_MREMAP is not defined.
8977         * configure, Makefile.in, config.in: Rebuild.
8978
8979 2009-03-27  Cary Coutant  <ccoutant@google.com>
8980
8981         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8982         position independent.
8983         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8984         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8985
8986 2009-03-24  Cary Coutant  <ccoutant@google.com>
8987
8988         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8989         an executable.
8990         (needs_dynamic_reloc): Likewise.
8991
8992 2009-03-24  Ian Lance Taylor  <iant@google.com>
8993
8994         * yyscript.y (file_cmd): Recognize EXTERN.
8995         (extern_name_list, extern_name_list_body): New nonterminals.
8996         * script.cc (script_add_extern): Define.
8997         * script-c.h (script_add_extern): Declare.
8998
8999 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9000
9001         * object.cc (is_elf_object): Define.
9002         * object.h (is_elf_object): Declare.
9003         * archive.cc (Archive::get_elf_object_for_member): Call
9004         is_elf_object.
9005         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9006
9007 2009-03-24  Elliott Hughes  <enh@google.com>
9008
9009         * output.cc (Output_file::map_anonymous): Define.
9010         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9011         try an anonymous one.  Report the size if the mmap fails.
9012         * output.h (class Output_file): Declare map_anonymous.
9013
9014 2009-03-24  Ian Lance Taylor  <iant@google.com>
9015
9016         * target-select.cc (instantiate_target): Don't acquire the lock if
9017         the instantiated_target_ field has already been set.
9018
9019 2009-03-23  Ian Lance Taylor  <iant@google.com>
9020
9021         * gold-threads.h (class Initialize_lock): Define.
9022         * gold-threads.cc (class Initialize_lock_once): Define.
9023         (initialize_lock_control): New static variable.
9024         (initialize_lock_pointer): New static variable.
9025         (initialize_lock_once): New static function.
9026         (Initialize_lock::Initialize_lock): Define.
9027         (Initialize_lock::initialize): Define.
9028         * target-select.h: Include "gold-threads.h".
9029         (class Target_selector): Add lock_ and initialize_lock_ fields.
9030         Don't define instantiate_target, just declare it.
9031         * target-select.cc (Target_selector::Target_selector): Initialize
9032         new fields.
9033         (Target_selector::instantiate_target): Define.
9034         * descriptors.h: Include "gold-threads.h".
9035         (class Descriptors): Add initialize_lock_ field.
9036         * descriptors.cc (Descriptors::Descriptors): Initialize new
9037         field.
9038         (Descriptors::open): Use initialize_lock_ field
9039         * errors.h (class Errors): Add initialize_lock_ field.
9040         * errors.cc (Errors::Errors): Initialize new field.
9041         (Errors::initialize_lock): Use initialize_lock_ field.
9042         * powerpc.cc (class Target_selector_powerpc): Remove
9043         instantiated_target_ field.  In do_recognize call
9044         instantiate_target rather than do_instantiate_target.  In
9045         do_instantiate_target just allocate a new target.
9046         * sparc.cc (class Target_selector_sparc): Likewise.
9047
9048         * freebsd.h: New file.
9049         * i386.cc: Include "freebsd.h".
9050         (Target_i386): Derive from Target_freebsd rather than
9051         Sized_target.
9052         (Target_selector_i386): Derive from Target_selector_freebsd rather
9053         than Target_selector.
9054         * x86_64.cc: Include "freebsd.h".
9055         (Target_x86_64): Derive from Target_freebsd rather than
9056         Sized_target.
9057         (Target_selector_x86_64): Derive from Target_selector_freebsd
9058         rather than Target_selector.
9059         * target.h (class Target): Add adjust_elf_header and
9060         do_adjust_elf_header.
9061         * output.cc (Output_file_header:: do_sized_write): Call target
9062         adjust_elf_header routine.
9063         * configure.tgt: Set targ_osabi.
9064         * configure.ac: Define GOLD_DEFAULT_OSABI.
9065         * parameters.cc (Parameters::default_target): Pass
9066         GOLD_DEFAULT_OSABI to select_target.
9067         * target-select.h (class Target_selector): Make instantiate_target
9068         protected rather than private.
9069         * Makefile.am (HFILES): Add freebsd.h.
9070         * configure, Makefile.in, config.in: Rebuild.
9071
9072         * merge.cc (do_add_input_section): Correct pend value.  Change
9073         message about last entry not being null terminated from error to
9074         warning.
9075
9076 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9077
9078         * incremental.cc: New file.
9079         * Makefile.am (CCFILES): Add incremental.cc.
9080         * Makefile.in: Rebuild.
9081
9082 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9083
9084         * layout.cc (Layout::output_section_name): Preserve names
9085         of '.note.' sections.
9086
9087 2009-03-19  Ian Lance Taylor  <iant@google.com>
9088
9089         * descriptors.cc (Descriptors::open): Check that the options are
9090         valid before using them.
9091
9092 2009-03-18  Ian Lance Taylor  <iant@google.com>
9093
9094         * script-sections.h: Include <list>.
9095         (class Script_sections): Change Sections_elements from std::vector
9096         to std::list.  Typedef public Elements_iterator.  Add
9097         orphan_section_placement_, data_segment_align_start_, and
9098         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9099         field.
9100         * script-sections.cc (class Orphan_section_placement): New class.
9101         (class Sections_element): Add virtual functions is_relro and
9102         orphan_section_init.  Remove virtual function place_orphan_here.
9103         (class Output_section_definition): Add is_relro and
9104         orphan_section_init.  Remove place_orphan_here.
9105         (class Orphan_output_section): Likewise.
9106         (Script_sections::Script_sections): Update for field changes.
9107         (Script_sections::data_segment_align): Set saw_data_segment_align_
9108         and data_segment_align_start_, not data_segment_align_index.
9109         (Script_sections::data_segment_relro_end): Check
9110         saw_data_segment_align_.  Use data_segment_align_start_ rather
9111         than data_segment_align_index_.
9112         (Script_sections::place_orphan): Rewrite to use
9113         Orphan_section_placement.
9114
9115 2009-03-17  Ian Lance Taylor  <iant@google.com>
9116
9117         * archive.cc (Archive::add_symbols): Check for a version attached
9118         to the symbol name in the archive map.
9119         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9120         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9121         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9122         (ver_test_11.a): New target.
9123         * testsuite/Makefile.in: Rebuild.
9124
9125         * configure.ac: Check for chsize and posix_fallocate.  Replace
9126         ftruncate.
9127         * ftruncate.c: New file, from gnulib.
9128         * output.cc (posix_fallocate): Define dummy version if not
9129         HAVE_POSIX_FALLOCATE.
9130         (Output_file::map): Call posix_fallocate rather than lseek and
9131         write.
9132         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9133         * configure, Makefile.in, config.in: Rebuild.
9134
9135 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9136
9137         * layout.h (Layout::create_note): Add section_name parameter.
9138         * layout.cc (Layout::create_note): Likewise.
9139         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9140
9141 2009-03-17  Ian Lance Taylor  <iant@google.com>
9142
9143         * descriptors.cc: Include "options.h".
9144         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9145         (Descriptors::open): Always use O_CLOEXEC when opening a new
9146         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9147         then set FD_CLOEXEC.
9148
9149         * sparc.cc (class Target_sparc): Add has_got_section.
9150         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9151         make sure we have a GOT section.
9152
9153         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9154         (Target_sparc::Scan::local): Likewise.
9155         (Target_sparc::Scan::global): Likewise.
9156         (Target_sparc::Relocate::relocate): Likewise.
9157         (Target_sparc::Relocate::relocate_tls): Likewise.
9158
9159         * symtab.cc (Symbol_table::define_default_version): New function,
9160         broken out of add_from_object.
9161         (Symbol_table::add_from_object): Call define_default_version.
9162         (Symbol_table::define_special_symbol): Add resolve_oldsym
9163         parameter.  Change all callers.  If the version for a symbol comes
9164         from a version script, resolve it with the symbol with the same
9165         name with no version.  Also add the symbol without a version if
9166         appropriate.
9167         (do_define_in_output_data): If resolving with oldsym, don't delete
9168         sym.
9169         (do_define_in_output_segment): Likewise.
9170         (do_define_as_constant): Likewise.
9171         * symtab.h (class Symbol_table): Update declarations.
9172
9173 2009-03-13  Ian Lance Taylor  <iant@google.com>
9174
9175         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9176         (Read_symbols::requeue): New function.
9177         (Read_symbols::do_read_symbols): If make_elf_object fails because
9178         the target type is not configured, and the file was searched for,
9179         issue a warning and retry with the next directory.
9180         (Add_symbols::run): If the file has an incompatible format, and
9181         it was searched for, requeue the Read_symbols task.  On error,
9182         release the object.
9183         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9184         dirindex parameter to constructor.  Change all callers.  Declare
9185         incompatible_warning and requeue.
9186         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9187         input_argument_ and input_group_ fields.  Add them to
9188         constructor.  Change all callers.
9189         (class Read_script): Add dirindex_ field.  Add it to constructor.
9190         Change all callers.
9191         * archive.cc (Archive::setup): Remove input_objects parameter.
9192         Change all callers.
9193         (Archive::get_file_and_offset): Likewise.
9194         (Archive::read_all_symbols): Likewise.
9195         (Archive::read_symbols): Likewise.
9196         (Archive::get_elf_object_for_member): Remove input_objects
9197         parameter.  Add punconfigured parameter.  Change all callers.
9198         (Archive::add_symbols): Change return type to bool.  Check return
9199         value of include_member.
9200         (Archive::include_all_members): Likewise.
9201         (Archive::include_member): Change return type to bool.  Return
9202         false if first included object has incompatible target.  Set
9203         included_member_ field.
9204         (Add_archive_symbols::run): If add_symbols returns false, requeue
9205         Read_symbols task.
9206         * archive.h (class Archive): Add included_member_ field.
9207         Initialize it in constructor.  Add input_file and searched_for
9208         methods.  Update declarations.
9209         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9210         input_argument_ fields.  Add them to constructor.  Change all
9211         callers.
9212         * script.cc: Include "target-select.h".
9213         (class Parser_closure): Add skip_on_incompatible_target_ and
9214         found_incompatible_target_ fields.  Add
9215         skip_on_incompatible_target parameter to constructor.  Change all
9216         callers.  Add methods skip_on_incompatible_target,
9217         clear_skip_on_incompatible_target, found_incompatible_target, and
9218         set_found_incompatible_target.
9219         (read_input_script): Add dirindex parameter.  Change all callers.
9220         If parser finds an incompatible target, requeue Read_symbols
9221         task.
9222         (script_set_symbol): Clear skip_on_incompatible_target in
9223         closure.
9224         (script_add_assertion, script_parse_option): Likewise.
9225         (script_start_sections, script_add_phdr): Likewise.
9226         (script_check_output_format): New function.
9227         * script.h (read_input_script): Update declaration.
9228         * script-c.h (script_check_output_format): Declare.
9229         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9230         (ignore_cmd): Remove OUTPUT_FORMAT.
9231         * fileread.cc (Input_file::Input_file): Add explicit this.
9232         (Input_file::will_search_for): New function.
9233         (Input_file::open): Add pindex parameter.  Change all callers.
9234         * fileread.h (class Input_file): Add input_file_argument method.
9235         Declare will_search_for.  Update declarations.
9236         * object.cc (make_elf_object): Add punconfigured parameter.
9237         Change all callers.
9238         * object.h (class Object): Make input_file public.  Add
9239         searched_for method.
9240         (make_elf_object): Update declaration.
9241         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9242         restart search.
9243         * dirsearch.h (class Dirsearch): Update declaration.
9244         * options.h (class General_options): Add --warn-search-mismatch.
9245         * parameters.cc (Parameters::is_compatible_target): New function.
9246         * parameters.h (class Parameters): Declare is_compatible_target.
9247         * workqueue.cc (Workqueue::add_blocker): New function.
9248         * workqueue.h (class Workqueue): Declare add_blocker.
9249
9250         * fileread.cc (Input_file::open): Remove options parameter.
9251         Change all callers.
9252         (Input_file::open_binary): Likewise.
9253         * script.cc (read_input_script): Likewise.
9254         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9255         options parameter from constructor.  Change all callers.
9256         (class Read_script): Likewise.
9257         * fileread.h (class Input_file): Update declarations.
9258         * script.h (read_input_script): Update declaration.
9259
9260 2009-03-10  Nick Clifton  <nickc@redhat.com>
9261
9262         * po/es.po: New Spanish translation.
9263
9264 2009-03-06  Cary Coutant  <ccoutant@google.com>
9265
9266         * options.cc (parse_short_option): Keep dash_z from registering itself.
9267
9268 2009-03-03  Ian Lance Taylor  <iant@google.com>
9269
9270         PR 9918
9271         * target-reloc.h (relocate_section): Pass output_section to
9272         relocate.
9273         * i386.cc (Target_i386::should_apply_static_reloc): Add
9274         output_section parameter.  Change all callers.
9275         (Target_i386::Relocate::relocate): Add output_section parameter.
9276         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9277         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9278         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9279         * testsuite/two_file_shared.sh: New script.
9280         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9281         (check_DATA): Add two_file_shared.dbg.
9282         (two_file_shared.dbg): New target.
9283         * testsuite/Makefile.in: Rebuild.
9284
9285 2009-03-01  Ian Lance Taylor  <iant@google.com>
9286
9287         * configure.ac: Check for byteswap.h.
9288         * configure: Rebuild.
9289         * config.in: Rebuild.
9290
9291 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9292
9293         * layout.cc (Layout::find_or_add_kept_section): New function.
9294         (Layout::add_comdat): Removed.
9295         * layout.h (struct Kept_section): Move out of class Layout.
9296         Remove trailing underscores from field names.  Add group_sections
9297         field.  Rename group_ field to is_group.  Change all uses.
9298         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9299         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9300         comdat_groups_ field.
9301         (Sized_relobj::include_section_group): Use
9302         find_or_add_kept_section and Kept_section::group_sections.
9303         (Sized_relobj::include_linkonce_section): Likewise.
9304         * object.cc (class Sized_relobj): Don't define Comdat_group or
9305         Comdat_group_table.  Remove find_comdat_group and
9306         add_comdat_group.  Remove comdat_groups_ field.
9307         * plugin.cc (include_comdat_group): Use
9308         Layout::find_or_add_kept_section.
9309
9310 2009-02-28  Ian Lance Taylor  <iant@google.com>
9311
9312         * README: --gc-sections and map files are now supported.  Document
9313         some build requirements.
9314
9315         PR 6992
9316         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9317         relocatable link set the value of the section symbol to zero.
9318         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9319         relocatable link don't include the section address in the local
9320         symbol value.
9321
9322 2009-02-27  Ian Lance Taylor  <iant@google.com>
9323
9324         PR 6811
9325         * options.h (class Search_directory): Add is_system_directory.
9326         (class General_options): Declare is_in_system_directory.
9327         * options.cc (get_relative_sysroot): Make static.
9328         (get_default_sysroot): Make static.
9329         (General_optoins::is_in_system_directory): New function.
9330         * fileread.cc (Input_file::is_in_system_directory): New function.
9331         * fileread.h (class Input_file): Declare is_in_system_directory.
9332         * object.h (class Object): Add is_in_system_directory.
9333         (class Input_objects): Remove system_library_directory_ field.
9334         * object.cc (Input_objects::add_object): Don't set
9335         system_library_directory_.
9336         (input_objects::found_in_system_library_directory): Remove.
9337         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9338         parameter.  Change all callers.
9339         (Symbol_table::sized_write_globals): Likewise.
9340         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9341         Call Object::is_in_system_directory.
9342         * symtab.h (class Symbol_table): Update declarations.
9343
9344         PR 5990
9345         * descriptors.h (Open_descriptor): Add is_on_stack field.
9346         * descriptors.cc (Descriptors::open): If the descriptor is on the
9347         top of the stack, remove it.  Initialize is_on_stack field.
9348         (Descriptors::release): Only add pod to stack if it is not on the
9349         stack already.
9350         (Descriptors::close_some_descriptor): Clear stack_next and
9351         is_on_stack fields.
9352
9353         PR 7091
9354         * output.cc (Output_section::find_starting_output_address): Rename
9355         from starting_output_address; add PADDR parameter; change return
9356         type.
9357         * output.h (class Output_section): Declare
9358         find_starting_output_address instead of starting_output_address.
9359         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9360         section symbol for which we can't find a merge section.
9361
9362         PR 9836
9363         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9364         hidden or internal, force the symbol to be local.
9365         * resolve.cc (Symbol::override_visibility): Define.
9366         (Symbol::override_base): Use override_visibility.
9367         (Symbol_table::resolve): Likewise.
9368         (Symbol::override_base_with_special): Likewise.
9369         (Symbol_table::override_with_special): If the visibility is hidden
9370         or internal, force the symbol to be local.
9371         * symtab.h (class Symbol): Add set_visibility and
9372         override_visibility.
9373         * testsuite/ver_test_1.sh: New file.
9374         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9375         (check_DATA): Add ver_test_1.syms.
9376         (ver_test_1.syms): New target.
9377         * testsuite/Makefile.in: Rebuild.
9378
9379 2009-02-25  Cary Coutant  <ccoutant@google.com>
9380
9381         * layout.cc (Layout::choose_output_section): Don't rename sections
9382         when using a linker script that has a SECTIONS clause.
9383         * Makefile.in: Regenerate.
9384
9385         * testsuite/Makefile.am (script_test_5.sh): New test case.
9386         * testsuite/Makefile.in: Regenerate.
9387         * testsuite/script_test_5.cc: New file.
9388         * testsuite/script_test_5.sh: New file.
9389         * testsuite/script_test_5.t: New file.
9390
9391 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9392
9393         * archive.cc (Archive::include_member): Update calls to add_symbols.
9394         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9395         the Layout argument.
9396         * dynobj.h (do_add_symbols): Add the Layout argument.
9397         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9398         Layout argument.
9399         * object.h (Object::add_symbols): Add the Layout argument.
9400         (Object::do_add_symbols): Add the Layout argument.
9401         (Sized_relobj::do_add_symbols): Add the Layout argument.
9402         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9403         Unify the two versions.
9404         (Add_plugin_symbols): Remove.
9405         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9406         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9407         (Add_plugin_symbols): Remove.
9408         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9409         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9410         (Add_symbols::run): Make it work with Pulginobj.
9411
9412 2009-02-06  Ian Lance Taylor  <iant@google.com>
9413
9414         * object.cc (Sized_relobj::do_layout): Make info message start
9415         with lower case letter.
9416
9417 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9418
9419         * binary.cc: Fix file comment.
9420
9421         * options.h (enum Incremental_disposition): Define.
9422         (class General_options): Add new options: --incremental,
9423         --incremental_changed, --incremental_unchanged,
9424         --incremental_unknown.  Add incremental_disposition_ and
9425         implicit_incremental_ fields.
9426         (General_options::incremental_disposition): New function.
9427         (class Position_dependent_options): Add incremental_disposition
9428         option.
9429         (Position_dependent_options::copy_from_options): Set incremental
9430         dispositions.
9431         * options.cc (General_options::parse_incremental_changed): New
9432         function.
9433         (General_options::parse_incremental_unchanged): New function.
9434         (General_options::parse_incremental_unknown): New function.
9435         (General_options::General_options): Initialize new fields
9436         incremental_disposition_ and implicit_incremental_.
9437         (General_options::finalize): Check for uasge of --incremental-*
9438         without --incremental.
9439
9440 2009-02-06  Chris Demetriou  <cgd@google.com>
9441
9442         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9443         pointer and to report location as the file name associated with
9444         the symbol.
9445         (gold_undefined_symbol_at_location): New function to replace the
9446         old gold_undefined_symbol functionality.
9447         * target-reloc.h (relocate_section): Update to use
9448         gold_undefined_symbol_at_location.
9449         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9450         Call gold_undefined_symbol function rather than gold_error.
9451         * errors.h (Errors::undefined_symbol): Take location as a
9452         string, rather than calculating it from a relocation.
9453         * errors.cc (Errors::fatal): Print "fatal error:" before the
9454         formatted message.
9455         (Errors::error, Errors::error_at_location): Print "error: "
9456         before the formatted message.
9457         (Errors::undefined_symbol): Take location as a string, rather
9458         than calculating it from a relocation.
9459         (gold_undefined_symbol_at_location): New function akin to
9460         old gold_undefined_symbol, calculates location from relocation.
9461         (gold_undefined_symbol): Change to take only a Symbol pointer
9462         and to report location as the file name associated with the symbol.
9463         * testsuite/debug_msg.sh: Update for changed error messages.
9464         * testsuite/undef_symbol.sh: Likewise.
9465
9466 2009-02-04  Duncan Sands  <baldrick@free.fr>
9467
9468         PR 9812
9469         * reduced_debug_output.h
9470         (Output_reduced_debug_abbrev_section::failed): Use format for
9471         gold_warning.
9472         (Output_reduced_debug_info_section::faild): Likewise.
9473
9474 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9475
9476         * script.cc (Lazy_demangler): New class.
9477         (Version_script_info::get_symbol_version_helper): Demangle a
9478         symbol only once.
9479
9480 2009-01-29  Cary Coutant  <ccoutant@google.com>
9481
9482         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9483         to __tls_get_addr.
9484         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9485
9486 2009-01-28  Ian Lance Taylor  <iant@google.com>
9487
9488         * version.cc (version_string): Bump to 1.9.
9489
9490         * gold.h: Include <cstring> and <stdint.h>.
9491         * version.cc: Include <cstdio>.
9492         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9493         warning.
9494         * reduced_debug_output.cc (insert_into_vector): Rename from
9495         Insert_into_vector; change all callers.  Use Swap_unaligned to
9496         avoid aliasing issue; remove union since it is unnecessary.
9497
9498 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9499
9500         * Makefile.am (CCFILES): Add gc.cc.
9501         (HFILES): Add gc.h.
9502         * Makefile.in: Regenerate.
9503         * gold.cc (Gc_runner): New class.
9504         (queue_initial_tasks): Call garbage collection related tasks
9505         when corresponding options are invoked.
9506         (queue_middle_gc_tasks): New function.
9507         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9508         processed early before laying out sections during garbage collection.
9509         * gold.h (queue_middle_gc_tasks): New function.
9510         (is_prefix_of): Move from "layout.cc".
9511         * i386.cc (Target_i386::gc_process_relocs): New function.
9512         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9513         * main.cc (main): Create object of class "Garbage_collection".
9514         * object.cc (Relobj::copy_symbols_data): New function.
9515         (Relobj::is_section_name_included): New function.
9516         (Sized_relobj::do_layout): Allow this function to be called twice
9517         during garbage collection and defer layout of section during the
9518         first call.
9519         * object.h (Relobj::get_symbols_data): New function.
9520         (Relobj::is_section_name_included): New function.
9521         (Relobj::copy_symbols_data): New function.
9522         (Relobj::set_symbols_data): New function.
9523         (Relobj::get_relocs_data): New function.
9524         (Relobj::set_relocs_data): New function.
9525         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9526         (Relobj::gc_process_relocs): New function.
9527         (Relobj::do_gc_process_relocs): New pure virtual function.
9528         (Relobj::sd_): New data member.
9529         (Sized_relobj::is_output_section_offset_invalid): New function.
9530         (Sized_relobj::do_gc_process_relocs): New function.
9531         * options.h (General_options::gc_sections): Modify to not be a no-op.
9532         (General_options::print_gc_sections): New option.
9533         * plugin.cc (Plugin_finish::run): Remove function call to
9534         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9535         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9536         * reloc.cc (Read_relocs::run): Add task to process relocs and
9537         determine unreferenced sections when doing garbage collection.
9538         (Gc_process_relocs): New class.
9539         (Sized_relobj::do_gc_process_relocs): New function.
9540         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9541         sections that are garbage collected.
9542         * reloc.h (Gc_process_relocs): New class.
9543         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9544         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9545         symbols whose corresponding sections are garbage collected.
9546         (Symbol_table::Symbol_table): Add new parameter for the garbage
9547         collection object.
9548         (Symbol_table::gc_mark_undef_symbols): New function.
9549         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9550         (Symbol_table::gc_mark_dyn_syms): New function.
9551         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9552         as garbage.
9553         (Symbol_table::add_from_object): Likewise.
9554         (Symbol_table::add_from_relobj): When building shared objects, do not
9555         treat externally visible symbols as garbage.
9556         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9557         table information for static and relocatable links.
9558         * symtab.h (Symbol_table::set_gc): New function.
9559         (Symbol_table::gc): New function.
9560         (Symbol_table::gc_mark_undef_symbols): New function.
9561         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9562         (Symbol_table::gc_mark_dyn_syms): New function.
9563         (Symbol_table::gc_): New data member.
9564         * target.h (Sized_target::gc_process_relocs): New pure virtual
9565         function.
9566         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9567         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9568
9569 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9570
9571         * options.h (General_options::gc_sections): Define as a no-op for now.
9572         (General_options::no_keep_memory): Ditto.
9573         (General_options::Bshareable): Define.
9574         * options.cc (General_options::finalize): Honor -Bshareable.
9575
9576 2009-01-20  Andreas Schwab  <schwab@suse.de>
9577
9578         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9579         read the value in the contents, since we don't use it.  Use the
9580         template endianness when writing.
9581         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9582
9583 2009-01-19  Andreas Schwab  <schwab@suse.de>
9584
9585         * configure.tgt (powerpc64-*): Fix targ_obj.
9586
9587 2009-01-15  Ian Lance Taylor  <iant@google.com>
9588
9589         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9590         local symbols when stripping all symbols.
9591
9592 2009-01-14  Cary Coutant  <ccoutant@google.com>
9593
9594         * output.cc (Output_reloc): Add explicit instantiations.
9595
9596 2009-01-14  Cary Coutant  <ccoutant@google.com>
9597
9598         * archive.cc (Archive::get_elf_object_for_member): Remove call
9599         to File_read::claim_for_plugin.
9600         * descriptors.cc (Descriptors::open): Remove reference to
9601         is_claimed.
9602         (Descriptors::claim_for_plugin): Remove.
9603         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9604         (Descriptors::is_claimed): Remove.
9605         (claim_descriptor_for_plugin): Remove.
9606         * fileread.cc (File_read::claim_for_plugin): Remove.
9607         * fileread.h (File_read::claim_for_plugin): Remove.
9608         (File_read::descriptor): Reopen descriptor if necessary.
9609         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9610         (Plugin_manager::all_symbols_read): Add task parameter. Change
9611         all callers.
9612         (Plugin_manager::get_input_file): New function.
9613         (Plugin_manager::release_input_file): New function.
9614         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9615         corresponding data member.
9616         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9617         and pass to base constructor. Change all callers.
9618         (get_input_file, release_input_file): New functions.
9619         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9620         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9621         (Plugin_manager::all_symbols_read): Add task parameter.
9622         (Plugin_manager::get_input_file): New function.
9623         (Plugin_manager::release_input_file): New function.
9624         (Plugin_manager::task_): New data member.
9625         (Pluginobj::Pluginobj): Add filesize parameter.
9626         (Pluginobj::filename): New function.
9627         (Pluginobj::descriptor): New function.
9628         (Pluginobj::filesize): New function.
9629         (Pluginobj::filesize_): New data member.
9630         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9631         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9632         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9633
9634         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9635         with archive libraries.
9636         * testsuite/Makefile.in: Regenerate.
9637         * testsuite/plugin_test.c (struct sym_info): New type.
9638         (get_input_file, release_input_file): New static variables.
9639         (onload): Capture new transfer vector entries.
9640         (claim_file_hook): Stop reading at end of file according to filesize.
9641         Factor out parsing of readelf output into separate function.
9642         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9643         APIs and get the source file name from the symbol table.  Convert
9644         source file name to corresponding object file name.  Print info
9645         message when adding new input files.
9646         (parse_readelf_line): New function.
9647         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9648         * testsuite/plugin_test_2.sh: Likewise.
9649         * testsuite/plugin_test_3.sh: Likewise.
9650         * testsuite/plugin_test_4.sh: New test case.
9651
9652 2009-01-07  Ian Lance Taylor  <iant@google.com>
9653
9654         * version.cc (version_string): Bump to 1.8.
9655
9656 2008-12-23  Cary Coutant  <ccoutant@google.com>
9657
9658         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9659         * plugin.cc (Plugin_manager::finish): Rename as
9660         layout_deferred_objects.  Move cleanup to separate function.
9661         (Plugin_manager::cleanup): New function.
9662         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9663         separately.
9664         * plugin.h (Plugin_manager::finish): Rename as
9665         layout_deferred_objects.
9666         (Plugin_manager::cleanup): New function.
9667         (Plugin_manager::cleanup_done): New field.
9668
9669 2008-12-23  Cary Coutant  <ccoutant@google.com>
9670
9671         * plugin.cc (is_visible_from_outside): New function.
9672         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9673         so we don't return "IR only" status for exported symbols or -r links.
9674
9675         * testsuite/Makefile.am (plugin_test_3): New test case.
9676         * testsuite/Makefile.in: Regenerate.
9677         * testsuite/plugin_test_3.sh: New file.
9678
9679 2008-12-22  Cary Coutant  <ccoutant@google.com>
9680
9681         * object.cc (Sized_relobj::layout_section): New function.
9682         (Sized_relobj::do_layout): Defer layout of input sections until after
9683         plugin has provided replacement files.
9684         (Sized_relobj::do_layout_deferred_sections): New function.
9685         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9686         (Relobj::layout_deferred_sections): New function.
9687         (Relobj::do_layout_deferred_sections): New function.
9688         (Sized_relobj::do_layout_deferred_sections): New function.
9689         (Sized_relobj::layout_section): New function.
9690         (Sized_relobj::Deferred_layout): New structure.
9691         (Sized_relobj::deferred_layout_): New field.
9692         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9693         Change all callers.  Layout deferred sections.
9694         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9695         references.
9696         (Plugin_hook::run): Move code from do_plugin_hook inline.
9697         (Plugin_hook::do_plugin_hook): Remove.
9698         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9699         (Plugin_manager::finish): Renamed, was cleanup.
9700         (Plugin_manager::should_defer_layout): New function.
9701         (Plugin_manager::add_deferred_layout_object): New function.
9702         (Plugin_manager::Deferred_layout_list): New type.
9703         (Plugin_manager::deferred_layout_objects_): New field.
9704         (Plugin_hook::do_plugin_hook): Remove.
9705
9706 2008-12-17  Ian Lance Taylor  <iant@google.com>
9707
9708         * options.h (class General_options): Add --no case for
9709         --export-dynamic.
9710
9711 2008-12-16  Cary Coutant  <ccoutant@google.com>
9712
9713         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9714         vector.
9715         (Plugin_manager::claim_file): Create plugin object even if
9716         plugin did not call the add_symbols callback.
9717         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9718         asking for more symbols than were added.
9719         * testsuite/Makefile.am (plugin_test_1): Add test case with
9720         no global symbols.
9721         (empty.syms): New target.
9722         * testsuite/Makefile.in: Regenerate.
9723         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9724         message. Don't call add_symbols if no globals.
9725         (all_symbols_read_hook): Don't provide replacement for empty
9726         claimed file.
9727
9728 2008-12-12  Ian Lance Taylor  <iant@google.com>
9729
9730         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9731         r_type == 0 for a local symbol with r_sym == 0.
9732         (scan_relocatable_relocs): Pass r_sym to
9733         local_non_section_strategy.
9734         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9735         r_sym parameter.
9736
9737         * configure.ac: Update test for TLS descriptors: they are
9738         supported as of glibc 2.9.
9739         * configure: Rebuild.
9740
9741 2008-12-11  Ian Lance Taylor  <iant@google.com>
9742
9743         PR 7091
9744         * target-reloc.h (Default_scan_relocatable_relocs): For each
9745         function, map r_type == 0 to RELOC_DISCARD.
9746
9747 2008-12-10  Cary Coutant  <ccoutant@google.com>
9748
9749         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9750         object to override a kept COMDAT group from a plugin object.
9751
9752 2008-12-09  Ian Lance Taylor  <iant@google.com>
9753
9754         PR 7088
9755         * yyscript.y (file_cmd): Handle INPUT.
9756
9757         * testsuite/initpri1.c: Change all declarations to be full
9758         prototypes by adding void, to avoid compiler warnings.
9759
9760 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9761
9762         * options.cc (General_options::parse_plugin_opt): New.
9763         (General_options::add_plugin): The argument now is just the filename.
9764         (General_options::add_plugin_option): New.
9765         * options.h (plugin_opt): New.
9766         (add_plugin): Change argument name.
9767         (add_plugin_option): New.
9768         * plugin.cc (Plugin::load): Don't parse the plugin option.
9769         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9770         (Plugin::add_option): New.
9771         (Plugin::args_): Change type.
9772         (Plugin::filename_): New.
9773         (Plugin_manager::add_plugin_option): New.
9774         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9775         * testsuite/Makefile.in: Regenerate.
9776
9777 2008-12-05  Cary Coutant  <ccoutant@google.com>
9778
9779         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9780         Handle --strip-lto-sections option.
9781         * options.h (strip_lto_sections): New option.
9782
9783 2008-12-01  Cary Coutant  <ccoutant@google.com>
9784
9785         * plugin.cc (ld_plugin_message): Change format parameter to const.
9786         Fix mismatch between new[] and delete.
9787
9788 2008-11-14  Cary Coutant  <ccoutant@google.com>
9789
9790         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9791         instead of -1U.
9792
9793 2008-11-05  Craig Silverstein  <csilvers@google.com>
9794
9795         * options.cc (General_options::parse_dynamic_list): New function.
9796         * options.h (General_options): New flags dynamic_list,
9797         dynamic_list_data, dynamic_list_cpp_new, and
9798         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9799         (General_options::in_dynamic_list): New function.
9800         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9801         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9802         (Lex::can_continue_name): Likewise.
9803         (yylex): Likewise.
9804         (read_script_file): New parameter script_options.
9805         (read_dynamic_list): New function.
9806         (Script_options::define_dynamic_list): New function.
9807         (dynamic_list_keyword_parsecodes): New variable.
9808         (dynamic_list_keywords): New variable.
9809         * script.h (Script_options::define_dynamic_list): New function
9810         prototype.
9811         (read_dynamic_list): New function prototype.
9812         * symtab.cc (strprefix): New macro.
9813         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9814         dynamic_list_data, dynamic_list_cpp_new, and
9815         dynamic_list_cpp_typeinfo.
9816         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9817         (dynamic_list_expr): New rule.
9818         (dynamic_list_nodes): Likewise.
9819         (dynamic_list_node): Likewise.
9820         * testsuite/Makefile.am (dynamic_list): New test.
9821         * testsuite/Makefile.in: Regenerated.
9822         * testsuite/dynamic_list.t: New file.
9823         * testsuite/dynamic_list.sh: New file.
9824
9825 2008-11-05  Craig Silverstein  <csilvers@google.com>
9826
9827         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9828         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9829         (t11_last): Likewise.
9830         * testsuite/ver_test_6.c (main): Likewise.
9831
9832 2008-10-07  Cary Coutant  <ccoutant@google.com>
9833
9834         * options.c (General_options::finalize): Add check for -static and
9835         -shared.
9836         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9837         is not empty.
9838
9839 2008-10-02  Cary Coutant  <ccoutant@google.com>
9840
9841         * plugin.cc (make_sized_plugin_object): Fix conditional
9842         compilation to work when not all targets are enabled.
9843
9844 2008-09-29  Cary Coutant  <ccoutant@google.com>
9845
9846         * archive.cc (Archive::get_file_and_offset): Use filename instead
9847         of name to get library path.
9848         (Archive::include_member): Unlock external member of a thin archive.
9849
9850         * testsuite/Makefile.am (TEST_AR): New variable.
9851         (thin_archive_test_1): New test.
9852         (thin_archive_test_2): New test.
9853         * testsuite/Makefile.in: Regenerate.
9854         * testsuite/thin_archive_main.cc: New file.
9855         * testsuite/thin_archive_test_1.cc: New file.
9856         * testsuite/thin_archive_test_2.cc: New file.
9857         * testsuite/thin_archive_test_3.cc: New file.
9858         * testsuite/thin_archive_test_4.cc: New file.
9859
9860 2008-09-29  Cary Coutant  <ccoutant@google.com>
9861
9862         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9863         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9864         instead of -1U.
9865         (Sized_relobj::do_finalize_local_symbols): Likewise.
9866         (Sized_relobj::map_to_kept_section): Likewise.
9867         * object.h (Sized_relobj::invalid_address): New constant.
9868         (Sized_relobj::do_output_section_offset): Check for invalid_address
9869         and return -1ULL.
9870         * output.cc (Output_reloc::local_section_offset): Use constant
9871         invalid_address instead of -1U.
9872         (Output_reloc::get_address): Likewise.
9873         (Output_section::output_address): Change -1U to -1ULL.
9874         * output.h (Output_reloc::invalid_address): New constant.
9875         * reloc.cc (Sized_relobj::write_sections): Use constant
9876         invalid_address instead of -1U.
9877         (Sized_relobj::relocate_sections): Likewise.
9878         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9879         values for merge sections.
9880         * target-reloc.h (relocate_for_relocatable): Use constant
9881         invalid_address instead of -1U.
9882
9883 2008-09-19  Cary Coutant  <ccoutant@google.com>
9884
9885         Add plugin functionality for link-time optimization (LTO).
9886         * configure.ac (plugins): Add --enable-plugins option.
9887         * configure: Regenerate.
9888         * config.in: Regenerate.
9889         * Makefile.am (LIBDL): New variable.
9890         (CCFILES): Add plugin.cc.
9891         (HFILES): Add plugin.h.
9892         (ldadd_var): Add LIBDL.
9893         * Makefile.in: Regenerate.
9894
9895         * archive.cc: Include "plugin.h".
9896         (Archive::setup): Don't preread archive symbols when using a plugin.
9897         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9898         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9899         files.
9900         (Archive::include_member): Add symbols from plugin objects.
9901         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9902         * descriptors.cc (Descriptors::open): Check for file descriptors
9903         abandoned by plugins.
9904         (Descriptors::claim_for_plugin): New function.
9905         * descriptors.h (Descriptors::claim_for_plugin): New function.
9906         (Open_descriptor::is_claimed): New field.
9907         (claim_descriptor_for_plugin): New function.
9908         * fileread.cc (File_read::claim_for_plugin): New function.
9909         * fileread.h (File_read::claim_for_plugin): New function.
9910         (File_read::descriptor): New function.
9911         * gold.cc: Include "plugin.h".
9912         (queue_initial_tasks): Add task to call plugin hooks for generating
9913         new object files.
9914         * main.cc: Include "plugin.h".
9915         (main): Load plugin libraries.
9916         * object.h (Pluginobj): Declare.
9917         (Object::pluginobj): New function.
9918         (Object::do_pluginobj): New function.
9919         (Object::set_target): New function.
9920         * options.cc: Include "plugin.h".
9921         (General_options::parse_plugin): New function.
9922         (General_options::General_options): Initialize plugins_ field.
9923         (General_options::add_plugin): New function.
9924         * options.h (Plugin_manager): Declare.
9925         (General_options): Add --plugin option.
9926         (General_options::has_plugins): New function.
9927         (General_options::plugins): New function.
9928         (General_options::add_plugin): New function.
9929         (General_options::plugins_): New field.
9930         * plugin.cc: New file.
9931         * plugin.h: New file.
9932         * readsyms.cc: Include "plugin.h".
9933         (Read_symbols::do_read_symbols): Check for archive before checking
9934         for ELF file.  Call plugin hooks to claim files.
9935         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9936         from a real object file; force override when processing replacement
9937         files.
9938         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9939         (Symbol::init_base_object): Likewise.
9940         (Symbol::init_base_output_data): Likewise.
9941         (Symbol::init_base_output_segment): Likewise.
9942         (Symbol::init_base_constant): Likewise.
9943         (Symbol::init_base_undefined): Likewise.
9944         (Symbol::output_section): Assert that object is not a plugin.
9945         (Symbol_table::add_from_pluginobj): New function.
9946         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9947         undefined.
9948         (Symbol_table::sized_write_globals): Likewise.
9949         (Symbol_table::add_from_pluginobj): Instantiate template.
9950         * symtab.h (Sized_pluginobj): Declare.
9951         (Symbol::in_real_elf): New function.
9952         (Symbol::set_in_real_elf): New function.
9953         (Symbol::in_real_elf_): New field.
9954         (Symbol_table::add_from_pluginobj): New function.
9955
9956         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9957         (LIBDL): New variable.
9958         (LDADD): Add LIBDL.
9959         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9960         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9961         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9962         (MOSTLYCLEANFILES): Likewise.
9963         * testsuite/Makefile.in: Regenerate.
9964         * testsuite/plugin_test.c: New file.
9965         * testsuite/plugin_test_1.sh: New file.
9966         * testsuite/plugin_test_2.sh: New file.
9967
9968 2008-09-16  Ian Lance Taylor  <iant@google.com>
9969
9970         * target-reloc.h (relocate_section): Check whether a symbol is
9971         defined by the ABI before reporting an undefined symbol error.
9972         * target.h (Target::is_defined_by_abi): Make parameter const.
9973         (Target::do_is_defined_by_abi): Likewise.
9974         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9975         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9976         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9977         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9978         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9979         * testsuite/Makefile.in: Rebuild.
9980
9981         * fileread.cc (make_view): Add casts to avoid warning.
9982
9983 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9984
9985         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9986         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9987
9988 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9989
9990         * options.h (General_options::output_is_executable): New.
9991         (General_options::output_is_pie): New.
9992         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9993         for shared libraries.
9994         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9995
9996 2008-09-11  Chris Demetriou  <cgd@google.com>
9997
9998         * options.h (origin): New -z option.
9999         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10000         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10001         in DT_FLAGS_1.
10002
10003 2008-09-05  Cary Coutant  <ccoutant@google.com>
10004
10005         * fileread.cc (File_read::make_view): Add check for attempt to map
10006         beyond end of file.
10007
10008 2008-09-05  Cary Coutant  <ccoutant@google.com>
10009
10010         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10011         explicit instantiations.
10012
10013 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10014
10015         PR gold/6858
10016         * options.cc (General_options::finalize): Allow undefined symbols
10017         in shlibs if linking -shared.
10018
10019         PR gold/6859
10020         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10021         symbols as not needing a dynsym entry.
10022
10023 2008-08-20  Craig Silverstein  <csilvers@google.com>
10024
10025         * fileread.cc (File_read::open): Do not lock the file unless it
10026         was successfully opened.
10027
10028 2008-08-14  Cary Coutant  <ccoutant@google.com>
10029
10030         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10031         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10032         * testsuite/tls_test.cc (struct int128): 128-bit struct
10033         for testing TLS relocs with non-zero addend.
10034         (v12): New TLS variable.
10035         (t12): New test.
10036         (t_last): Add check for v12.
10037         * testsuite/tls_test.h (t12): New function.
10038         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10039
10040 2008-08-13  Ian Lance Taylor  <iant@google.com>
10041
10042         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10043         set tls_segment_ or relro_segment_.
10044         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10045         when appropriate.
10046         * output.h (Output_section::clear_is_relro): New function.
10047         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10048         sections specially even when output_data_ is empty.
10049         (Output_segment::maximum_alignment): When first section is relro,
10050         only force alignment for PT_LOAD segments.
10051         * script.cc (script_data_segment_align): New function.
10052         (script_data_segment_relro_end): New function.
10053         * script-c.h (script_data_segment_align): Declare.
10054         (script_data_segment_relro_end): Declare.
10055         * script-sections.h (class Script_sections): Declare
10056         data_segment_align and data_segment_relro_end.  Add fields
10057         segment_align_index_ and saw_relro_end_.
10058         * script-sections.cc (class Sections_element): Add set_is_relro
10059         virtual function.  Add new bool* parameter to place_orphan_here.
10060         Add get_output_section virtual function.
10061         (class Output_section_definition): Add set_is_relro.  Add new
10062         bool* parameter to place_orphan_here.  Add get_output_section.
10063         Add is_relro_ field.
10064         (Output_section_definition::Output_section_definition): Initialize
10065         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10066         and is_relro_ fields.
10067         (Output_section_definition::place_orphan_here): Add is_relro
10068         parameter.
10069         (Output_section_definition::set_section_addresses): Set relro for
10070         output section.
10071         (Output_section_definition::alternate_constraint): Likewise.
10072         (class Orphan_output_section): Add new bool* parameter to
10073         place_orphan_here.  Add get_output_section.
10074         (Orphan_output_section::place_orphan_here): Add is_relro
10075         parameter.
10076         (Script_sections::Script_sections): Initialize
10077         data_segment_align_index_ and saw_relro_end_.
10078         (Script_sections::data_segment_align): New function.
10079         (Script_sections::data_segment_relro_end): New function.
10080         (Script_sections::place_orphan): Set or clear is_relro.
10081         (Script_sections::set_section_addresses): Force alignment of first
10082         TLS section.
10083         * yyscript.y (exp): Call script_data_segment_align and
10084         script_data_segment_relro_end.
10085         * testsuite/relro_script_test.t: New file.
10086         * testsuite/relro_test.cc (using_script): Declare.
10087         (t1, t2): Test using_script.
10088         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10089         (relro_script_test_SOURCES): Define.
10090         (relro_script_test_DEPENDENCIES): Define.
10091         (relro_script_test_LDFLAGS): Define.
10092         (relro_script_test_LDADD): Define.
10093         (relro_script_test.so): New target.
10094         * testsuite/Makefile.in: Rebuild.
10095
10096 2008-08-06  Cary Coutant <ccoutant@google.com>
10097
10098         * archive.cc (Archive::total_archives, Archive::total_members)
10099         (Archive::total_members_loaded): New variables.
10100         (Archive::setup): Add parameter.  Add option to preread
10101         archive symbols.
10102         (Archive::read_armap): Add counter.
10103         (Archive::get_file_and_offset): New function.
10104         (Archive::get_elf_object_for_member): New function.
10105         (Archive::read_all_symbols): New function.
10106         (Archive::read_symbols): New function.
10107         (Archive::add_symbols): Add counters.
10108         (Archive::include_all_members): Use armap to find members if it's
10109         already built.
10110         (Archive::include_member): Skip reading symbols if already read.
10111         Factored code into Archive::get_file_and_offset and
10112         Archive::get_elf_object_for_member.  Changed call to
10113         Mapfile::report_include_archive_member.
10114         (Archive::print_stats): New function.
10115         * archive.h: Declare Object and Read_symbols_data classes.
10116         (Archive::Archive): Add initializers for new members.
10117         (Archive::setup): Add parameter.
10118         (Archive::print_stats): New function.
10119         (Archive::total_archives, Archive::total_members)
10120         (Archive::total_members_loaded): New variables.
10121         (Archive::get_file_and_offset): New function.
10122         (Archive::get_elf_object_for_member): New function.
10123         (Archive::read_all_symbols): New function.
10124         (Archive::read_symbols): New function.
10125         (Archive::Archive_member): New class.
10126         (Archive::members_): New member.
10127         (Archive::num_members_): New member.
10128         * main.cc: Include archive.h.
10129         (main): Call Archive::print_stats.
10130         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10131         archive parameter; member_name is now the fully-decorated name.
10132         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10133         * options.h: (General_options): Add --preread-archive-symbols option.
10134         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10135         Archive::setup.
10136
10137 2008-08-04  Ian Lance Taylor  <iant@google.com>
10138
10139         * symtab.h (Symbol::use_plt_offset): New function.
10140         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10141         * powerpc.cc (Relocate::relocate): Likewise.
10142         * sparc.cc (Relocate::relocate): Likewise.
10143         * x86_64.cc (Relocate::relocate): Likewise.
10144         * testsuite/weak_plt.sh: New test.
10145         * testsuite/weak_plt_main.cc: New test.
10146         * testsuite/weak_plt_shared.cc: New test.
10147         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10148         (check_PROGRAMS): Add weak_plt.
10149         (check_DATA): Add weak_plt_shared.so.
10150         (weak_plt_main_pic.o, weak_plt): New targets.
10151         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10152         * testsuite/Makefile.in: Rebuild.
10153
10154         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10155         gcctestdir/ld.
10156         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10157         * testsuite/Makefile.in: Rebuild.
10158
10159 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10160
10161         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10162         * Makefile.in: Regenerate.
10163         * po/POTFILES.in: Regenerate.
10164
10165 2008-07-29  Ian Lance Taylor  <iant@google.com>
10166
10167         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10168         symbols before other symbols.
10169         * testsuite/script_test_2.cc (test_addr): Declare.
10170         (test_addr_alias): Declare.
10171         (main): Check that test_addr and test_addr_alias have the right
10172         values.
10173         * testsuite/script_test_2.t: Define test_addr_alias and
10174         test_addr.
10175
10176 2008-07-24  Ian Lance Taylor  <iant@google.com>
10177
10178         PR 5990
10179         * descriptors.cc: New file.
10180         * descriptors.h: New file.
10181         * gold-threads.h (class Hold_optional_lock): New class.
10182         * fileread.cc: Include "descriptors.h".
10183         (File_read::~File_read): Release descriptor rather than closing
10184         it.
10185         (File_read::open) [file]: Call open_descriptor rather than open.
10186         Set is_descriptor_opened_.
10187         (File_read::open) [memory]: Assert that descriptor is not open.
10188         (File_read::reopen_descriptor): New function.
10189         (File_read::release): Release descriptor.
10190         (File_read::do_read): Make non-const.  Reopen descriptor.
10191         (File_read::read): Make non-const.
10192         (File_read::make_view): Reopen descriptor.
10193         (File_read::do_readv): Likewise.
10194         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10195         Update declarations.
10196         * layout.cc: Include "descriptors.h".
10197         (Layout::create_build_id): Use open_descriptor rather than open.
10198         * output.cc: Include "descriptors.h".
10199         (Output_file::open): Use open_descriptor rather than open.
10200         * archive.cc (Archive::const_iterator): Change Archive to be
10201         non-const.
10202         (Archive::begin, Archive::end): Make non-const.
10203         (Archive::count_members): Likewise.
10204         * archive.h (class Archive): Update declarations.
10205         * object.h (Object::read): Make non-const.
10206         * Makefile.am (CCFILES): Add descriptors.cc.
10207         (HFILES): Add descriptors.h.
10208         * Makefile.in: Rebuild.
10209
10210         PR 6716
10211         * gold.h: Always include <clocale>.  Add Solaris workarounds
10212         following code in binutils/sysdep.h.
10213
10214         PR 6048
10215         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10216         this->eh_frame_hdr_ is NULL before using it.
10217
10218         * dynobj.cc (Versions::Versions): Update comment.
10219
10220         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10221         the base version name.
10222
10223         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10224         array size plus one.
10225         (Stringpool_template::set_string_offsets): Subtract one from key
10226         before using it as an array index.
10227         (Stringpool_template::get_offset_with_length): Likewise.
10228         (Stringpool_template::write_to_buffer): Likewise.
10229         * stringpool.h (Stringpool_template::get_offset_from_key):
10230         Likewise.
10231
10232 2008-07-23  Ian Lance Taylor  <iant@google.com>
10233
10234         PR 6658
10235         * object.h (Merged_symbol_value::value): Do our best to handle a
10236         negative addend.
10237
10238         PR 6647
10239         * script.cc (Version_script_info::get_versions): Don't add empty
10240         version tag to return value.
10241         (Version_script_info::get_symbol_version_helper): Change return
10242         type to bool.  Add pversion parameter.  Change all callers.
10243         (script_register_vers_node): Don't require a non-NULL tag.
10244         * script.h (class Version_script_info): Update declarations.
10245         (Version_script_info::get_symbol_version): Change return type to
10246         bool.  Add version parameter.  Change all callers.
10247         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10248         handling.  Handle an empty version from a version script.
10249         (Symbol_table::define_special_symbol): Likewise.
10250         * testsuite/ver_test_10.script: New file.
10251         * testsuite/ver_test_10.sh: New file.
10252         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10253         (check_DATA): Add ver_test_10.syms.
10254         (ver_test_10.syms, ver_test_10.so): New target.
10255         * testsuite/Makefile.in: Rebuild.
10256
10257 2008-07-23  Simon Baldwin  <simonb@google.com>
10258
10259         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10260         to zero for undefined symbols from dynamic libraries.
10261
10262 2008-07-23  Ian Lance Taylor  <iant@google.com>
10263
10264         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10265         Change all callers.
10266         * symtab.h (class Symbol_table): Update declaration.
10267         * testsuite/ver_test_9.cc: New file.
10268         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10269         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10270         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10271         (ver_test_9.so, ver_test_9.o): New targets.
10272         * testsuite/Makefile.in: Rebuild.
10273
10274 2008-07-22  Ian Lance Taylor  <iant@google.com>
10275
10276         * options.h (class General_options): Define --check-sections.
10277         * layout.cc (Layout::set_segment_offsets): Handle
10278         --check-sections.
10279
10280         * options.h (class General_options): Define -n/--nmagic and
10281         -N/--omagic.
10282         * options.cc (General_options::finalize): For -n/--nmagic or
10283         -N/--omagic, set -static.
10284         * layout.cc (Layout::attach_allocated_section_to_segment): If
10285         -N/--omagic, don't put read-only and read-write sections in
10286         different segments.
10287         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10288         finding a read-only segment.
10289         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10290         don't set the minimum segment alignment to the common page size,
10291         and don't set the file offset to the address modulo the page size.
10292         * script-sections.cc (Script_sections::create_segments): If
10293         -n/--omagic, don't put read-only and read-write sections in
10294         different segments.
10295
10296         * cref.cc: New file.
10297         * cref.h: New file.
10298         * options.h (class General_options): Add --print-symbol-counts.
10299         * main.cc (main): Issue defined symbol report if requested.
10300         * archive.cc (Archive::interpret_header): Make into a const member
10301         function.
10302         (Archive::add_symbols): Call Input_objects::archive_start and
10303         archive_stop.
10304         (Archive::const_iterator): Define new class.
10305         (Archive::begin, Archive::end): New functions.
10306         (Archive::include_all_members): Rewrite to use iterator.
10307         (Archive::count_members): New function.
10308         * archive.h (class Archive): Update declarations.
10309         (Archive::filename): New function.
10310         * object.cc: Include "cref.h".
10311         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10312         (Sized_relobj::do_get_global_symbol_counts): New function.
10313         (Input_objects::add_object): Add object to cross-referencer.
10314         (Input_objects::archive_start): New function.
10315         (Input_objects::archive_stop): New function.
10316         (Input_objects::print_symbol_counts): New function.
10317         * object.h: Declare Cref and Archive.
10318         (Object::get_global_symbol_counts): New function.
10319         (Object::do_get_global_symbol_counts): New pure virtual function.
10320         (class Sized_relobj): Add defined_count_ field.  Update
10321         declarations.
10322         (class Input_objects): Add cref_ field.  Update constructor.
10323         Update declarations.
10324         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10325         defined_count_.
10326         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10327         symbol counts.
10328         (Sized_dynobj::do_get_global_symbol_counts): New function.
10329         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10330         defined_count_.  Update declarations.  Define Symbols typedef.
10331         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10332         parameter.  Change all callers.
10333         (Symbol_table::add_from_dynobj): Add sympointers and defined
10334         parameters.  Change all callers.
10335         * symtab.h (class Symbol_table): Update declarations.
10336         * Makefile.am (CCFILES): Add cref.cc.
10337         (HFILES): Add cref.h.
10338         * Makefile.in: Rebuild.
10339
10340 2008-07-22  Simon Baldwin  <simonb@google.com>
10341
10342         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10343         to zero when writing undefined symbols.
10344
10345 2008-07-22  Ian Lance Taylor  <iant@google.com>
10346
10347         * output.cc (Output_section::add_input_section): Don't try to
10348         merge empty merge sections.
10349
10350 2008-07-21  Craig Silverstein  <csilvers@google.com>
10351
10352         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10353         Include symbol version in error message.
10354
10355 2008-07-20  Chris Demetriou  <cgd@google.com>
10356
10357         * configure.ac (gold_cv_c_random_seed): New configured variable.
10358         (RANDOM_SEED_CFLAGS): New substituted variable.
10359         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10360         * configure: Rebuild.
10361         * Makefile.in: Likewise.
10362         * testsuite/Makefile.in: Likewise.
10363
10364 2008-07-18  Ian Lance Taylor  <iant@google.com>
10365
10366         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10367         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10368         * testsuite/ver_test_main.cc (main): Call t4.
10369         (t4, t4_2a): Define.
10370         * testsuite/ver_test_2.cc (t4_2): Define.
10371         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10372         * testsuite/ver_test_4.cc (t4_2a): Define.
10373         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10374         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10375
10376 2008-07-17  Ian Lance Taylor  <iant@google.com>
10377
10378         * dynobj.cc (Versions::add_def): If we give an error about a
10379         missing version, go ahead and create the version anyhow.
10380
10381 2008-07-10  Ian Lance Taylor  <iant@google.com>
10382
10383         Handle output sections with more than 0x7fffffff bytes.
10384         * object.h (class Relobj): Change map_to_output_ to
10385         output_sections_, and just keep a section pointer.  Change all
10386         uses.  Move comdat group support to Sized_relobj.
10387         (Relobj::is_section_specially_mapped): Remove.
10388         (Relobj::output_section): Remove poff parameter.  Change all
10389         callers.
10390         (Relobj::output_section_offset): New function.
10391         (Relobj::set_section_offset): Rewrite.
10392         (Relobj::map_to_output): Remove.
10393         (Relobj::output_sections): New function.
10394         (Relobj::do_output_section_offset): New pure virtual function.
10395         (Relobj::do_set_section_offset): Likewise.
10396         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10397         group support from Relobj.  Update declarations.
10398         (Sized_relobj::get_output_section_offset): New function.
10399         (Sized_relobj::do_output_section_offset): New function.
10400         (Sized_relobj::do_set_section_offset): New function.
10401         * object.cc (Relobj::output_section_address): Remove.
10402         (Sized_relobj::Sized_relobj): Initialize new fields.
10403         (Sized_relobj::include_section_group): Cast find_kept_object to
10404         Sized_relobj.
10405         (Sized_relobj::include_linkonce_section): Likewise.
10406         (Sized_relobj::do_layout): Use separate arrays for output section
10407         and output offset.
10408         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10409         output_sections.
10410         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10411         output_sections and section_offsets.
10412         (Sized_relobj::write_local_symbols): Likewise.
10413         (map_to_kept_section): Compute output address directly.
10414         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10415         output_sections and section_offsets.
10416         (Sized_relobj::write_sections): Likewise.
10417         (Sized_relobj::relocate_sections): Likewise.
10418         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10419         * output.h (class Output_reloc): Update declarations.  Change
10420         u2_.relobj to Sized_relobj*.
10421         (class Output_data_reloc): Change add functions to use
10422         Sized_relobj*.
10423         * output.cc (Output_reloc::Output_reloc): Change relobj to
10424         Sized_relobj*.
10425         (Output_reloc::local_section_offset): Change return type to
10426         Elf_Addr.  Use get_output_section_offset.
10427         (Output_reloc::get_address): Likewise.
10428         (Output_section::is_input_address_mapped): Don't call
10429         is_section_specially_mapped.
10430         (Output_section::output_offset): Likewise.
10431         (Output_section::output_address): Likewise.
10432         (Output_section::starting_output_address): Likewise.
10433         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10434         parameter to Sized_relobj*.
10435         (Copy_relocs::need_copy_reloc): Likewise.
10436         (Copy_relocs::save): Likewise.
10437         * copy-relocs.h (class Copy_relocs): Update declarations.
10438         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10439         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10440         * target-reloc.h (relocate_for_relocatable): Change
10441         offset_in_output_section type to Elf_Addr.  Change code that uses
10442         it as well.
10443         * layout.cc (Layout::layout): Always set *off.
10444         * mapfile.cc (Mapfile::print_input_section): Use
10445         output_section_offset.
10446         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10447         Sized_relobj*.
10448         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10449         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10450         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10451
10452 2008-07-03  Ian Lance Taylor  <iant@google.com>
10453
10454         * layout.cc (Layout::include_section): Do not discard unrecognized
10455         SHT_STRTAB sections.
10456
10457 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10458
10459         * script.cc (Lex::can_continue_name): Make '?' allowable in
10460         version-script names.
10461         * testsuite/version_script.map: Change glob pattern to use '?'
10462
10463 2008-06-30  Manish Singh  <yosh@gimp.org>
10464
10465         PR 6585
10466         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10467         Correct typo.
10468
10469 2008-06-30  Ian Lance Taylor  <iant@google.com>
10470
10471         PR 6660
10472         PR 6682
10473         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10474         versions]: Don't try to read the value in the contents, since we
10475         don't use it.  Use the template endianness when writing.
10476
10477 2008-06-25  Cary Coutant  <ccoutant@google.com>
10478
10479         * fileread.cc (File_read::make_view): Assert on zero-length view.
10480         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10481         symbol table when there are no symbols to read.
10482
10483 2008-06-23  Craig Silverstein  <csilvers@google.com>
10484
10485         * version.cc (version_string): Bump to 1.7
10486
10487 2008-06-18  Craig Silverstein  <csilvers@google.com>
10488
10489         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10490         constant 0xFFFF to type Valtype.
10491         (Powerpc_relocate_functions::rel16_ha): Likewise.
10492
10493 2008-06-17  Ian Lance Taylor  <iant@google.com>
10494
10495         * output.h (Output_section::Input_section): Initialize p2align_ to
10496         zero for Output_section_data constructors.
10497         (Output_section::Input_section::addralign): If not an input
10498         section, return the alignment of the Output_section_data.
10499         * testsuite/copy_test.cc: New file.
10500         * testsuite/copy_test_1.cc: New file.
10501         * testsuite/copy_test_2.cc: New file.
10502         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10503         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10504         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10505         (copy_test_1_pic.o, copy_test_1.so): New targets.
10506         (copy_test_2_pic.o, copy_test_2.so): New targets.
10507         * testsuite/Makefile.in: Rebuild.
10508
10509         * script-sections.cc (Script_sections::place_orphan): Initialize
10510         local variable exact.
10511
10512 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10513
10514         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10515
10516 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10517             David S. Miller  <davem@davemloft.net>
10518
10519         * powerpc.cc: New file.
10520         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10521         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10522         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10523         * Makefile.in: Rebuild.
10524
10525 2008-06-09  Ian Lance Taylor  <iant@google.com>
10526
10527         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10528         <exception>.
10529         (throwing, orig_terminate): New static variables.
10530         (terminate_handler): New static function.
10531         (t2): Set terminate handler.
10532
10533 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10534
10535         PR 6584
10536         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10537         alignment.
10538
10539 2008-05-30  Cary Coutant  <ccoutant@google.com>
10540
10541         * archive.cc (Archive::include_all_members) Correct to step
10542         over symbol table and extended name table in thin archives.
10543
10544 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10545
10546         PR 6407
10547         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10548         calculation.
10549
10550 2008-05-28  Caleb Howe  <cshowe@google.com>
10551
10552         * reduced_debug_output.cc: New file.
10553         * reduced_debug_output.h: New file.
10554         * options.h (class General_options): Add --strip-debug-non-line.
10555         * options.cc (General_options::finalize): Add strip_debug_non_line
10556         to the strip heirarchy.
10557         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10558         fields.
10559         * layout.cc: Include "reduced_debug_output.h".
10560         (Layout::Layout): Initialize new fields.
10561         (line_only_debug_sections): New static array.
10562         (is_lines_only_debug_sections): New static inline function.
10563         (Layout::include_section): Handle --strip-debug-non-line.
10564         (Layout::make_output_section): If --strip-debug-non-line, build
10565         new output sections for .debug_abbrev and .debug_info.
10566         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10567         gold.  Warn about possible overflow.
10568         (read_signed_LEB_128): Likewise.
10569         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10570         (read_signed_LEB_128): Declare.
10571         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10572         (HFILES): Add reduced_debug_output.h.
10573         * Makefile.in: Rebuild.
10574
10575 2008-05-21  Ian Lance Taylor  <iant@google.com>
10576
10577         * mapfile.cc: New file.
10578         * mapfile.h: New file.
10579         * options.h (class General_options): Add -M/--print-map and -Map.
10580         * options.cc (General_options::finalize): Make -M equivalent to
10581         -Map -.
10582         * main.cc: Include <cstdio> and "mapfile.h".
10583         (main): Open mapfile if requested.
10584         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10585         constructor.  Change caller.
10586         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10587         (queue_middle_tasks): Likewise.
10588         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10589         declarations.
10590         * archive.cc: Include "mapfile.h".
10591         (Archive::add_symbols): Add mapfile parameter.  Change all
10592         callers.  Pass mapfile, symbol, and reason to include_member.
10593         (Archive::include_all_members): Add mapfile parameter.  Change all
10594         callers.
10595         (Archive::include_member): Add mapfile, sym, and why parameters.
10596         Change all callers.  Report inclusion to map file.
10597         * archive.h: Include "fileread.h".
10598         (class Archive): Update declarations.
10599         (Archive::file): New const method.
10600         (class Add_archive_symbols): Add mapfile_ field.  Update
10601         constructor.  Change all callers.
10602         * readsyms.h (class Read_symbols): Likewise.
10603         (class Finish_group): Likewise.
10604         (class Read_script): Likewise.
10605         * common.cc: Include "mapfile.h".
10606         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10607         all callers.
10608         (Symbol_table::do_allocate_commons): Likewise.
10609         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10610         symbol allocation to mapfile.
10611         * common.h (class Allocate_commons_task): Add mapfile_ field.
10612         Update constructor.  Change all callers.
10613         * symtab.h (class Symbol_table): Update declarations.
10614         * layout.cc: Include "mapfile.h".
10615         (Layout_task_runner::run): Print information to mapfile.
10616         (Layout::create_gold_note): Change Output_data_fixed_space to
10617         Output_data_zero_fill.
10618         (Layout::create_build_id): Likewise.
10619         (Layout::print_to_mapfile): New function.
10620         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10621         constructor.  Change caller.
10622         (class Layout): Declare print_to_mapfile.
10623         * output.cc (Output_section::Input_section::print_to_mapfile): New
10624         function.
10625         (Output_section::add_input_section): If producing a map, always
10626         add to input_sections_ list.
10627         (Output_section::do_print_to_mapfile): New function.
10628         (Output_segment::print_sections_to_mapfile): New function.
10629         (Output_segment::print_section_list_to_mapfile): New function.
10630         * output.h: Include "mapfile.h".
10631         (Output_data::print_to_mapfile): New function.
10632         (Output_data::do_print_to_mapfile): New virtual function.
10633         (Output_segment_headers::do_print_to_mapfile): New function.
10634         (Output_file_header::do_print_to_mapfile): New function.
10635         (Output_data_const::do_print_to_mapfile): New function.
10636         (class Output_data_const_buffer): Add map_name_ field.  Update
10637         constructor.  Change all callers.  Add do_print_to_mapfile
10638         function.
10639         (class Output_data_fixed_space): Likewise.
10640         (class Output_data_space): Likewise.
10641         (class Output_data_zero_fill): New class.
10642         (Output_data_strtab::do_print_to_mapfile): New function.
10643         (Output_data_reloc_base::do_print_to_mapfile): New function.
10644         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10645         (Output_data_group::do_print_to_mapfile): New function.
10646         (Output_data_got::do_print_to_mapfile): New function.
10647         (Output_data_dynamic::do_print_to_mapfile): New function.
10648         (Output_symtab_xindex::do_print_to_mapfile): New function.
10649         (class Output_section): Declare do_print_to_mapflie.  Declare
10650         print_to_mapfile in Input_section.
10651         (class Output_segment): Declare new functions.
10652         * object.h (Sized_relobj::symbol_count): New function.
10653         * script-sections.cc
10654         (Output_section_element_dot_assignment::set_section_addresses):
10655         Change Output_data_fixed_space to Output_data_zero_fill.
10656         (Output_data_expression::do_print_to_mapfile): New function.
10657         * script.cc (read_input_script): Add mapfile parameter.  Change
10658         all callers.
10659         * script.h (read_input_script): Update declaration.
10660         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10661         (Eh_frame::do_print_to_mapfile): New function.
10662         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10663         (Output_merge_string::do_print_to_mapfile): New function.
10664         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10665         function.
10666         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10667         function.
10668         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10669         function.
10670         * Makefile.am (CCFILES): Add mapfile.cc.
10671         (HFILES): Add mapfile.h.
10672         * Makefile.in: Rebuild.
10673
10674 2008-05-19  Ian Lance Taylor  <iant@google.com>
10675
10676         * options.h (class General_options): Add -z relro.
10677         * layout.cc (Layout::Layout): Initialize relro_segment_.
10678         (Layout::add_output_section_data): Return the output section.
10679         (Layout::make_output_section): Rcognize relro sections and mark
10680         them appropriately.
10681         (Layout::attach_allocated_section_to_segment): Put relro sections
10682         in a PT_GNU_RELRO segment.
10683         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10684         section as relro.
10685         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10686         PT_TLS segments.
10687         (Layout::linkonce_mapping): Map d.rel.ro.local to
10688         .data.rel.ro.local.
10689         (Layout::output_section_name): Us .data.rel.ro.local for any
10690         section which begins with that.
10691         * layout.h (class Layout): Update add_output_section_data
10692         declaration.  Add relro_segment_ field.
10693         * output.cc (Output_section::Output_section): Initialize is_relro_
10694         and is_relro_local_ fields.
10695         (Output_segment::add_output_section): Group relro sections.
10696         (Output_segment::is_first_section_relro): New function.
10697         (Output_segment::maximum_alignment): If there is a relro section,
10698         align the segment to the common page size.
10699         (Output_segment::set_section_addresses): Track whether we are
10700         looking at relro sections.  If the last section is a relro
10701         section, align to the common page size.
10702         (Output_segment::set_section_list_addresses): Add in_relro
10703         parameter.  Change all callers.  Align to the page size when
10704         moving from relro to non-relro section.
10705         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10706         segment.
10707         * output.h (class Output_section): Add is_relro_ and
10708         is_relro_local_ fields.
10709         (Output_section::is_relro): New function.
10710         (Output_section::set_is_relro): New function.
10711         (Output_section::is_relro_local): New function.
10712         (Output_section::set_is_relro_local): New function.
10713         (class Output_segment): Update declarations.
10714         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10715         * sparc.cc (Target_sparc::got_section): Likewise.
10716         * x86_64.cc (Target_x86_64::got_section): Likewise.
10717         * testsuite/relro_test_main.cc: New file.
10718         * testsuite/relro_test.cc: New file.
10719         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10720         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10721         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10722         (relro_test.so, relro_test_pic.o): New targets.
10723         * testsuite/Makefile.in: Rebuild.
10724
10725 2008-05-16  Ian Lance Taylor  <iant@google.com>
10726
10727         * output.cc (Output_segment::add_output_section): Remove front
10728         parameter.
10729         * output.h (class Output_segment): Remove
10730         add_initial_output_section and overloaded add_output_section.
10731         Update declaration of remaining add_output_section.
10732         * layout.cc (Layout::create_interp): Call add_output_section
10733         rather than add_initial_output_section.
10734         (Layout::finish_dynamic_section): Likewise.
10735
10736         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10737         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10738         know the dynamic type.
10739         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10740         field.  Initialize it in constructor.
10741         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10742         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10743         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10744         reloc.
10745
10746         * output.cc (Output_reloc::get_address): Change return type to
10747         Elf_Addr.
10748         * output.h (class Output_reloc): Update get_address declaration.
10749         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10750         for section addresses.
10751
10752 2008-05-09  Ian Lance Taylor  <iant@google.com>
10753
10754         PR 6493
10755         * gold.cc (gold_nomem): Use return value of write.
10756
10757 2008-05-08  Ian Lance Taylor  <iant@google.com>
10758
10759         * symtab.c (Symbol::init_base_output_data): Add version
10760         parameter.  Change all callers.
10761         (Symbol::init_base_output_segment): Likewise.
10762         (Symbol::init_base_constant): Likewise.
10763         (Symbol::init_base_undefined): Likewise.
10764         (Sized_symbol::init_output_data): Likewise.
10765         (Sized_symbol::init_output_segment): Likewise.
10766         (Sized_symbol::init_constant): Likewise.
10767         (Sized_symbol::init_undefined): Likewise.
10768         (Symbol_table::do_define_in_output_data): If the new symbol has a
10769         version, mark it as the default.
10770         (Symbol_table::do_define_in_output_segment): Likewise.
10771         (Symbol_table::do_define_as_constant): Likewise.
10772         * symtab.h (class Symbol): Update declarations.
10773         (class Sized_symbol): Likewise.
10774         * resolve.cc (Symbol::override_version): New function.
10775         (Symbol::override_base): Call override_version.
10776         (Symbol::override_base_with_special): Likewise.
10777         * testsuite/ver_script_8.script: New file.
10778         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10779         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10780         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10781         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10782
10783 2008-05-06  Ian Lance Taylor  <iant@google.com>
10784
10785         PR 6049
10786         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10787         functions.
10788         (class General_options): Remove existing --undefined, and add
10789         --no-undefined instead.  Add new --undefined as synonym for -u.
10790         * archive.cc (Archive::add_symbols): Check whether symbol was
10791         named with -u.
10792         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10793         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10794         all uses.  Add IS_UNDEFINED.  Update declarations to split
10795         different versions of init_base.  Declare init_base_undefined.
10796         (Symbol::is_defined): Handle IS_UNDEFINED.
10797         (Symbol::is_undefined): Likewise.
10798         (Symbol::is_weak_undefined): Call is_undefined.
10799         (Symbol::is_absolute): Handle IS_CONSTANT.
10800         (class Sized_symbol): Update declarations to split different
10801         versions of init.  Declare init_undefined.
10802         (class Symbol_table): Declare new functions.
10803         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10804         Change all callers.
10805         (Symbol::init_base_output_data): Likewise.
10806         (Symbol::init_base_output_segment): Likewise.
10807         (Symbol::init_base_constant): Likewise.
10808         (Symbol::init_base_undefined): New function.
10809         (Sized_symbol::init_object): Rename from init.  Change all
10810         callers.
10811         (Sized_symbol::init_output_data): Likewise.
10812         (Sized_symbol::init_output_segment): Likewise.
10813         (Sized_symbol::init_constant): Likewise.
10814         (Sized_symbol::init_undefined): New function.
10815         (Symbol_table::add_undefined_symbols_from_command_line): New
10816         function.
10817         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10818         function.
10819         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10820         (Symbol::output_section): Likewise.
10821         (Symbol::set_output_section): Likewise.
10822         (Symbol_table::sized_finalize_symbol): Likewise.
10823         (Symbol_table::sized_write_globals): Likewise.
10824         * resolve.cc (Symbol_table::should_override): Likewise.
10825         (Symbol::override_base_with_special): Likewise.
10826
10827         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10828         symbol, change it to have default visibility.
10829         * testsuite/protected_1.cc: New file.
10830         * testsuite/protected_2.cc: New file.
10831         * testsuite/protected_3.cc: New file.
10832         * testsuite/protected_main_1.cc: New file.
10833         * testsuite/protected_main_2.cc: New file.
10834         * testsuite/protected_main_3.cc: New file.
10835         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10836         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10837         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10838         (protected_1.so): New target.
10839         (protected_1_pic.o, protected_2_pic.o): New targets.
10840         (protected_3_pic.o): New target.
10841         (check_PROGRAMS): Add protected_2.
10842         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10843         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10844         * testsuite/Makefile.in: Rebuild.
10845
10846         * options.h (DEFINE_var): Add set_user_set_##varname__.
10847         (DEFINE_bool_alias): New macro.
10848         (class General_options): Define -Bstatic using DEFINE_bool_alias
10849         rather than DEFINE_special.  Add --undefined as an alias for -z
10850         defs.
10851         * options.cc (General_options::parse_Bstatic): Remove.
10852
10853         * options.h (class General_options): Add --fatal-warnings.
10854         * main.cc (main): Implement --fatal-warnings.
10855         * errors.h (Errors::warning_count): New function.
10856
10857         * options.h (class General_options): Add -Bsymbolic-functions.
10858         * symtab.h (Symbol::is_preemptible): Check for
10859         -Bsymbolic-functions.
10860
10861 2008-05-05  Ian Lance Taylor  <iant@google.com>
10862
10863         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10864         as noVARNAME rather than no-VARNAME.
10865         (class General_options): Add option -z combreloc.
10866         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10867         get_address.
10868         (Output_reloc::sort_before) [SHT_REL]: New function.
10869         (Output_reloc::sort_before) [SHT_RELA]: New function.
10870         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10871         Sort_relocs_comparison.
10872         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10873         parameter.  Change all callers.
10874         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10875         sort_relocs parameter.  Change all callers.
10876         * output.cc (Output_reloc::get_address): New function, broken out
10877         of write_rel.
10878         (Output_reloc::write_rel): Call it.
10879         (Output_reloc::compare): New function.
10880         (Output_data_reloc_base::do_write): Optionally sort relocs.
10881
10882         * configure.ac: If targ_extra_obj is set, link it in.
10883         * configure.tgt: Initialize all variables.
10884         (x86_64*): Set targ_extra_obj and targ_extra_size.
10885         * configure: Rebuild.
10886
10887         * object.cc (Sized_relobj::include_section_group): Adjust section
10888         indexes read from group data.  Build vector to pass to
10889         layout_group.
10890         * layout.cc (Layout::layout_group): Add flags and shndxes
10891         parameters.  Remove contents parameter.  Change caller.  Update
10892         explicit instantiations.
10893         * layout.h (class Layout): Update layout_group declaration.
10894         * output.cc (Output_data_group::Output_data_group): Add flags and
10895         input_shndxes parameters.  Remove contents parameter.  Change
10896         caller.
10897         (Output_data_group::do_write): Change input_sections_ to
10898         input_shndxes_.
10899         * output.h (class Output_data_group): Update constructor
10900         declaration.  Rename input_sections_ to input_shndxes_.
10901         * testsuite/many_sections_test.cc: Add template.
10902
10903 2008-04-30  Cary Coutant  <ccoutant@google.com>
10904
10905         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10906
10907         * layout.cc (Layout::include_section): Refactored check for debug
10908         info section.
10909         (Layout::add_comdat): Add new parameters.  Change type
10910         of signature parameter.  Add object and shndx to signatures table.
10911         (Layout::find_kept_object): New function.
10912         * layout.h: Include <cstring>.
10913         (Layout::is_debug_info_section): New function.
10914         (Layout::add_comdat): Add new parameters.
10915         (Layout::find_kept_object): New function.
10916         (Layout::Kept_section): New struct.
10917         (Layout::Signatures): Change type of map range.
10918         * object.cc (Relobj::output_section_address): New function.
10919         (Sized_relobj::include_section_group): Add new parameters.  Change
10920         calls to Layout::add_comdat.  Change to build table of kept comdat
10921         groups and table mapping discarded sections to kept sections.
10922         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10923         (Sized_relobj::do_layout): Change calls to include_section_group and
10924         include_linkonce_section.
10925         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10926         value to zero when section is discarded.
10927         (Sized_relobj::map_to_kept_section): New function.
10928         * object.h (Relobj::output_section_address): New function.
10929         (Relobj::Comdat_group): New type.
10930         (Relobj::find_comdat_group): New function.
10931         (Relobj::Comdat_group_table): New type.
10932         (Relobj::Kept_comdat_section): New type.
10933         (Relobj::Kept_comdat_section_table): New type.
10934         (Relobj::add_comdat_group): New function.
10935         (Relobj::set_kept_comdat_section): New function.
10936         (Relobj::get_kept_comdat_section): New function.
10937         (Relobj::comdat_groups_): New field.
10938         (Relobj::kept_comdat_sections_): New field.
10939         (Symbol_value::input_value): Update comment.
10940         (Sized_relobj::map_to_kept_section) New function.
10941         (Sized_relobj::include_linkonce_section): Add new parameter.
10942         * target-reloc.h (Comdat_behavior): New type.
10943         (get_comdat_behavior): New function.
10944         (relocate_section): Add code to map a discarded section to the
10945         corresponding kept section when applying a relocation.
10946
10947 2008-04-30  Craig Silverstein  <csilvers@google.com>
10948
10949         * dwarf_reader.cc (next_generation_count): New static var.
10950         (Addr2line_cache_entry): New struct.
10951         (addr2line_cache): New static var.
10952         (Dwarf_line_info::one_addr2line): Added caching.
10953         (Dwarf_line_info::clear_addr2line_cache): New function.
10954         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10955         cache-size parameter.
10956         (Dwarf_line_info::one_addr2line_cache): New function.
10957         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10958         new cache-size argument to one_addr2line(), and clear cache.
10959
10960 2008-04-28  Cary Coutant  <ccoutant@google.com>
10961
10962         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10963         R_386_PC8 relocations.
10964
10965 2008-04-23  Ian Lance Taylor  <iant@google.com>
10966
10967         * object.cc (Sized_relobj::include_section_group): Check for
10968         invalid section group.
10969
10970         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10971         header size.
10972
10973         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10974         than read for file header.
10975         * archive.cc (Archive::include_member): Likewise.
10976
10977 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10978
10979         * aclocal.m4: Regenerate.
10980         * configure: Regenerate.
10981
10982 2008-04-19  Ian Lance Taylor  <iant@google.com>
10983
10984         * version.cc (version_string): Bump to 1.6.
10985
10986         * testsuite/Makefile.am (many_sections_r_test): New target.
10987         (many_sections_r_test_SOURCES): Remove.
10988         (many_sections_r_test_DEPENDENCIES): Remove.
10989         (many_sections_r_test_LDFLAGS): Remove.
10990         (many_sections_r_test_LDADD): Remove.
10991
10992         * object.cc (Sized_relobj::do_add_symbols): Always pass
10993         local_symbol_count_ to add_from_relobj.
10994
10995         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10996         every thousand variables.
10997         * testsuite/Makefile.in: Rebuild.
10998
10999         * object.cc (Xindex::initialize_symtab_xindex): New function.
11000         (Xindex::read_symtab_xindex): New function.
11001         (Xindex::sym_xindex_to_shndx): New function.
11002         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11003         available.
11004         (Sized_relobj::do_initialize_xindex): New function.
11005         (Sized_relobj::do_read_symbols): Adjust section links.
11006         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11007         parameter.  Change all callers.
11008         (Sized_relobj::include_section_group): Adjust section links and
11009         symbol section indexes.
11010         (Sized_relobj::do_layout): Adjust section links.
11011         (Sized_relobj::do_count_local_symbols): Adjust section links and
11012         symbol section indexes.
11013         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11014         ordinary and special symbols.
11015         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11016         dynsym_xindex parameters.  Change all callers.  Adjust section
11017         links.  Use SHN_XINDEX when needed.
11018         (Sized_relobj::get_symbol_location_info): Adjust section links.
11019         Don't get fooled by special symbols.
11020         * object.h (class Xindex): Define.
11021         (class Object): Add xindex_ parameter.  Declare virtual functoin
11022         do_initialize_xindex.
11023         (Object::adjust_sym_shndx): New function.
11024         (Object::set_xindex): New protected function.
11025         (class Symbol_value): Add is_ordinary_shndx_ field.
11026         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11027         (Symbol_value::value): Assert ordinary section.
11028         (Symbol_value::initialize_input_to_output_map): Likewise.
11029         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11030         Change all callers.
11031         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11032         all callers.
11033         (class Sized_relobj): Update declarations.
11034         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11035         parameter.  Change all callers.
11036         (Sized_relobj::adjust_shndx): New function.
11037         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11038         field.
11039         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11040         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11041         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11042         (Sized_dynobj::read_dynsym_section): Adjust section links.
11043         (Sized_dynobj::read_dynamic): Likewise.
11044         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11045         section links.
11046         (Sized_dynobj::do_initialize_xindex): New function.
11047         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11048         do_initialize_xindex.
11049         (Sized_dynobj::adjust_shndx): New function.
11050         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11051         dynsym_xindex_ fields.
11052         (Layout::finalize): Add a call to set_section_indexes before
11053         creating the symtab sections.
11054         (Layout::set_section_indexes): Don't do anything if the section
11055         already has a section index.
11056         (Layout::create_symtab_sections): Add shnum parameter.  Change
11057         caller.  Create .symtab_shndx section if needed.
11058         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11059         caller.
11060         (Layout::allocated_output_section_count): New function.
11061         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11062         needed.
11063         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11064         fields.  Update declarations.
11065         (Layout::symtab_xindex): New function.
11066         (Layout::dynsym_xindex): New function.
11067         (class Write_symbols_task): Add layout_ field.
11068         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11069         Change caller.
11070         * output.cc (Output_section_headers::Output_section_headers): Add
11071         shstrtab_section parameter.  Change all callers.
11072         (Output_section_headers::do_sized_write): Store overflow values
11073         for section count and section string table section index in
11074         section header zero.
11075         (Output_file_header::do_sized_write): Check for overflow of
11076         section count and section string table section index.
11077         (Output_symtab_xindex::do_write): New function.
11078         (Output_symtab_xindex::endian_do_write): New function.
11079         * output.h (class Output_section_headers): Add shstrtab_section_.
11080         Update declarations.
11081         (class Output_symtab_xindex): Define.
11082         (Output_section::has_out_shndx): New function.
11083         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11084         field.
11085         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11086         Change all callers.
11087         (Sized_symbol::init): Likewise.
11088         (Symbol::output_section): Check for ordinary symbol.
11089         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11090         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11091         callers.
11092         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11093         Change all callers.  Simplify handling of symbols from sections
11094         not included in the link.
11095         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11096         distinction.
11097         (Weak_alias_sorter::operator()): Assert that symbols are
11098         ordinary.
11099         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11100         distinction.
11101         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11102         parameters.  Change all callers.
11103         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11104         symbol distinction.  Use SHN_XINDEX when needed.
11105         (Symbol_table::write_section_symbol): Add symtab_xindex
11106         parameter.  Change all callers.
11107         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11108         SHN_XINDEX when needed.
11109         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11110         declarations.
11111         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11112         (Symbol::is_defined): Check is_ordinary.
11113         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11114         (Symbol::is_absolute, Symbol::is_common): Likewise.
11115         (class Sized_symbol): Update declarations.
11116         (class Symbol_table): Update declarations.
11117         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11118         parameters.  Change all callers.
11119         (Sized_symbol::override): Likewise.
11120         (Symbol_table::override): Likewise.
11121         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11122         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11123         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11124         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11125         to be in an ordinary section.
11126         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11127         object and is_ordinary parameters.  Change all callers.
11128         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11129         Change all callers.  Don't add undefined or non-ordinary symbols
11130         to reloc_map_.
11131         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11132         Change all callers.
11133         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11134         declarations.
11135         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11136         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11137         (Sized_relobj::relocate_sections): Likewise.
11138         * target-reloc.h (scan_relocs): Adjust section symbol index.
11139         (scan_relocatable_relocs): Likewise.
11140         * i386.cc (Scan::local): Check for ordinary symbols.
11141         * sparc.cc (Scan::local): Likewise.
11142         * x86_64.cc (Scan::local): Likewise.
11143         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11144         to symbol_section_and_value.
11145         * testsuite/many_sections_test.cc: New file.
11146         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11147         (check_PROGRAMS): Add many_sections_test.
11148         (many_sections_test_SOURCES): Define.
11149         (many_sections_test_DEPENDENCIES): Define.
11150         (many_sections_test_LDFLAGS): Define.
11151         (BUILT_SOURCES): Add many_sections_define.h.
11152         (many_sections_define.h): New target.
11153         (BUILT_SOURCES): Add many_sections_check.h.
11154         (many_sections_check.h): New target.
11155         (check_PROGRAMS): Add many_sections_r_test.
11156         (many_sections_r_test_SOURCES): Define.
11157         (many_sections_r_test_DEPENDENCIES): Define.
11158         (many_sections_r_test_LDFLAGS): Define.
11159         (many_sections_r_test_LDADD): Define.
11160         (many_sections_r_test.o): New target.
11161         * testsuite/Makefile.in: Rebuild.
11162
11163 2008-04-17  Cary Coutant  <ccoutant@google.com>
11164
11165         * errors.cc (Errors::info): New function.
11166         (gold_info): New function.
11167         * errors.h (Errors::info): New function.
11168         * gold.h (gold_info): New function.
11169         * object.cc (Input_objects::add_object): Print trace output.
11170         * options.cc (options::parse_set): New function.
11171         (General_options::parse_wrap): Deleted.
11172         (General_options::General_options): Deleted initializer.
11173         * options.h (options::String_set): New typedef.
11174         (options::parse_set): New function.
11175         (DEFINE_set): New macro.
11176         (General_options::wrap): Changed to use DEFINE_set. Changed
11177         callers of any_wrap_symbols and is_wrap_symbol.
11178         (General_options::trace, General_options::trace_symbol):
11179         New options.
11180         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11181         (General_options::wrap_symbols_): Deleted.
11182         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11183
11184 2008-04-17  David S. Miller  <davem@davemloft.net>
11185
11186         * options.cc (General_options::parse_V): New function.
11187         * options.h: Add entries for -V and -Qy.
11188
11189 2008-04-17  Ian Lance Taylor  <iant@google.com>
11190
11191         * common.cc (Symbol_table::allocate_commons): Remove options
11192         parameter.  Change caller.
11193         (Symbol_table::do_allocate_commons): Remove options parameter.
11194         Change caller.  Just call do_allocate_commons_list twice.
11195         (Symbol_table::do_allocate_commons_list): New function, broken out
11196         of do_allocate_commons.
11197         * common.h (class Allocate_commons_task): Remove options_ field.
11198         Update constructor.
11199         * symtab.cc (Symbol_table::Symbol_table): Initialize
11200         tls_commons_.
11201         (Symbol_table::add_from_object): Put TLS common symbols on
11202         tls_commons_ list.
11203         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11204         which are IN_OUTPUT_DATA.
11205         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11206         allocate_commons and do_allocate_commons declarations.  Declare
11207         do_allocate_commons_list.
11208         * gold.cc (queue_middle_tasks): Update creation of
11209         Allocate_commons_task to not pass options.
11210         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11211         (TLS_TEST_C_FLAGS): New variable.
11212         (tls_test_c_pic.o): New target.
11213         (tls_test_shared.so): Link in tls_test_c_pic.o.
11214         (tls_test_c_pic_ie.o): New target.
11215         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11216         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11217         (tls_test_c.o): New target.
11218         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11219         (tls_pic_test_LDADD): Likewise.
11220         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11221         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11222         (tls_test_c_gnu2.o): New target.
11223         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11224         tls_test_c_gnu2.o.
11225         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11226         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11227         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11228         * testsuite/tls_test.cc: Include "config.h".
11229         (t_last): Call t11_last.
11230         * testsuite/tls_test.h (t11, t11_last): Declare.
11231         * testsuite/tls_test_c.c: New file.
11232         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11233         * configure.ac: Check for OpenMP support.
11234         * configure, config.in, Makefile.in: Rebuild.
11235         * testsuite/Makefile.in: Rebuild.
11236
11237 2008-04-16  Cary Coutant  <ccoutant@google.com>
11238
11239         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11240         (Target_i386::tls_base_symbol_defined_): New field.
11241         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11242         (Target_i386::Scan::global): Likewise.
11243         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11244         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11245         (Target_x86_64::tls_base_symbol_defined_): New field.
11246         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11247         (Target_x86_64::Scan::global): Likewise.
11248
11249 2008-04-16  Cary Coutant  <ccoutant@google.com>
11250
11251         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11252         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11253         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11254         building shared libraries.
11255         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11256         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11257         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11258         * testsuite/Makefile.in: Rebuild.
11259         * testsuite/weak_undef.h: New file.
11260         * testsuite/weak_undef_file1.cc: Add extra test cases.
11261         * testsuite/weak_undef_file2.cc: Likewise.
11262         * testsuite/weak_undef_test.cc: Likewise.
11263
11264 2008-04-16  David S. Miller  <davem@davemloft.net>
11265
11266         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11267         Add issued_non_pic_error_ field.  Declare check_non_pic.
11268         (Target_sparc::Scan::check_non_pic): New function.
11269         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11270         (Target_sparc::Scan::global): Likewise.
11271
11272         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11273         * configure: Rebuild.
11274
11275         * options.h (DEFINE_enable): New macro.
11276         (new_dtags): New enable option.
11277         (initfirst, interpose, loadfltr, nodefaultlib,
11278         nodelete, nodlopen, nodump): New -z options.
11279         * layout.cc (Layout:finish_dynamic_section): If new
11280         dtags enabled, emit DT_RUNPATH.  Also, emit a
11281         DT_FLAGS_1 containing any specified -z flags.
11282
11283 2008-04-16  Ian Lance Taylor  <iant@google.com>
11284
11285         * copy-relocs.cc: New file.
11286         * copy-relocs.h: New file.
11287         * reloc.cc: Remove Copy_relocs code.
11288         * reloc.h: Likewise.
11289         * reloc-types.h (struct Reloc_types) [both versions]: Add
11290         get_reloc_addend_noerror.
11291         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11292         variants of add_global which take an addend which must be zero.
11293         * i386.cc: Include "copy-relocs.h".
11294         (class Target_i386): Change type of copy_relocs_ to variable,
11295         update initializer.
11296         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11297         Change all callers.
11298         (Target_i386::do_finalize_sections): Change handling of
11299         copy_relocs_.
11300         * sparc.cc: Include "copy-relocs.h".
11301         (class Target_sparc): Change type of copy_relocs_ to variable,
11302         update initializer.
11303         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11304         Change all callers.
11305         (Target_sparc::do_finalize_sections): Change handling of
11306         copy_relocs_.
11307         * x86_64.cc: Include "copy-relocs.h".
11308         (class Target_x86_64): Change type of copy_relocs_ to variable,
11309         update initializer.
11310         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11311         class.  Change all callers.
11312         (Target_x86_64::do_finalize_sections): Change handling of
11313         copy_relocs_.
11314         * Makefile.am (CCFILES): Add copy-relocs.cc.
11315         (HFILES): Add copy-relocs.h.
11316
11317         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11318
11319         * testsuite/script_test_4.sh: Permit leading zeroes.
11320
11321 2008-04-15  Ian Lance Taylor  <iant@google.com>
11322
11323         * script-sections.cc (Script_sections::create_segments): Use
11324         header_size_adjustment even when there is enough room for the
11325         headers.
11326         * testsuite/script_test_4.sh: New file.
11327         * testsuite/script_test_4.t: New file.
11328         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11329         (check_DATA): Add script_test_4.stdout.
11330         (MOSTLYCLEANFILES): Likewise.
11331         (script_test_4): New target.
11332         (script_test_4.stdout): New target.
11333         * testsuite/Makefile.in: Rebuild.
11334
11335         * sparc.cc: Add definitions for Output_data_plt_sparc class
11336         constants.
11337
11338 2008-04-14  David S. Miller  <davem@davemloft.net>
11339
11340         * sparc.cc: New file.
11341         * Makefile.am (TARGETSOURCES): Add sparc.cc
11342         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11343         * configure.tgt: Document targ_extra_size and
11344         targ_extra_big_endian.  Add entries for sparc-* and
11345         sparc64-*.
11346         * configure.ac: Handle targ_extra_size and
11347         targ_extra_big_endian.
11348         * Makefile.in: Rebuild.
11349         * configure: Likewise.
11350         * po/POTFILES.in: Likewise.
11351         * po/gold.pot: Likewise.
11352
11353 2008-04-14  Ian Lance Taylor  <iant@google.com>
11354
11355         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11356         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11357         in the name/type/flags to section mapping.  Don't call
11358         allocate_output_section.
11359         (Layout::choose_output_section): Change parameter from adjust_name
11360         to is_input_section.  Don't permit input sections after sections
11361         are attached to segments.  Don't call allocate_output_section.
11362         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11363         not write_enable_output_section.
11364         (Layout::make_output_section): Don't push to
11365         unattached_section_list_ nor call attach_to_segment.  Call
11366         attach_section_to_segment if sections are attached.
11367         (Layout::attach_sections_to_segments): New function.
11368         (Layout::attach_section_to_segment): New function.
11369         (Layout::attach_allocated_section_to_segment): Rename from
11370         attach_to_segment.  Remove flags parameter.
11371         (Layout::allocate_output_section): Remove function.
11372         (Layout::write_enable_output_section): Remove function.
11373         * layout.h (class Layout): Update for above changes.  Add new
11374         field sections_are_attached_.
11375         * output.h (Output_section::update_flags_for_input_section): New
11376         function.
11377         * output.cc (Output_section::add_input_section): Call
11378         update_flags_for_input_section.
11379         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11380
11381 2008-04-11  Cary Coutant  <ccoutant@google.com>
11382
11383         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11384         thought unnecessary.
11385         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11386
11387 2008-04-11  Ian Lance Taylor  <iant@google.com>
11388
11389         * output.h (class Output_section_data): Remove inline definition
11390         of set_addralign.
11391         * output.cc (Output_section_data::set_addralign): New function.
11392
11393 2008-04-11  Cary Coutant  <ccoutant@google.com>
11394
11395         Add support for TLS descriptors for i386 and x86_64.
11396         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11397         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11398         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11399         GOT_TYPE_TLS_DESC.
11400         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11401         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11402         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11403         relocations.
11404         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11405         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11406         Fix problem with initial-exec relocations.
11407         (Target_i386::Relocate::relocate_tls): Likewise.
11408         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11409         relaxation.
11410         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11411         support for section-plus-offset dynamic table entries.
11412         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11413         (Output_data_dynamic::Dynamic_entry): Add support for
11414         section-plus-offset dynamic table entries.
11415         (Output_data_dynamic::Classification): Likewise.
11416         (Output_data_dynamic::classification_): Renamed offset_.
11417         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11418         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11419         (Target_x86_64::make_plt_section): New function.
11420         (Target_x86_64::reserve_tlsdesc_entries): New function.
11421         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11422         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11423         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11424         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11425         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11426         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11427         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11428         add extra PLT entry for TLS descriptors.
11429         (Output_data_plt_x86_64::got_): New field.
11430         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11431         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11432         fields.
11433         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11434         descriptors.
11435         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11436         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11437         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11438         R_386_TLS_DESC_CALL relocations.
11439         (Target_x86_64::Scan::global): Likewise.
11440         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11441         for TLS descriptors.
11442         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11443         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11444         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11445         GD-to-IE relaxation.
11446         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11447         and TLS_DESCRIPTORS.
11448         * Makefile.in: Rebuild.
11449         * configure: Rebuild.
11450         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11451         (tls_test_shared2.so): New target.
11452         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11453         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11454         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11455         (tls_shared_gd_to_ie_test_LDADD): New variable.
11456         (tls_shared_gnu2_gd_to_ie_test): New target.
11457         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11458         New targets.
11459         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11460         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11461         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11462         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11463         (tls_shared_gnu2_test): New target.
11464         (tls_test_gnu2_shared.so): New target.
11465         (tls_shared_gnu2_test_SOURCES): New variable.
11466         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11467         (tls_shared_gnu2_test_LDFLAGS): New variable.
11468         (tls_shared_gnu2_test_LDADD): New variable.
11469         * testsuite/Makefile.in: Rebuild.
11470         * testsuite/Makefile.
11471
11472 2008-04-11  Ian Lance Taylor  <iant@google.com>
11473
11474         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11475         justsyms.t.
11476         * testsuite/Makefile.in: Rebuild.
11477
11478         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11479         long.
11480         * testsuite/script_test_2.cc (main): Adjust test.
11481
11482 2008-04-11  David S. Miller  <davem@davemloft.net>
11483             Ian Lance Taylor  <iant@google.com>
11484
11485         * options.h (General_options): Add entries for '-Y' and
11486         '-relax'.
11487         * options.cc (General_options:finalize): If -Y was used, add those
11488         entries to the library path instead of the default "/lib" and
11489         "/usr/lib".
11490
11491 2008-04-11  David S. Miller  <davem@davemloft.net>
11492
11493         * testsuite/justsyms.t: Start at 0x100.
11494         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11495         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11496         long.
11497         * testsuite/script_test_2.cc: Adjust string and section length
11498         checks.
11499
11500 2008-04-09  Ian Lance Taylor  <iant@google.com>
11501
11502         PR gold/5996
11503         * script-sections.cc (Sections_element::allocate_to_segment): Add
11504         orphan parameter.
11505         (Output_section_definition::allocate_to_segment): Likewise.
11506         (Orphan_output_section::allocate_to_segment): Likewise.
11507         (Script_sections::attach_sections_using_phdrs_clause): Don't
11508         propagate non-PT_LOAD segments to orphan sections.
11509         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11510         readelf rather than objdump.
11511         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11512         .interp section and PT_INTERP segment are the same size.
11513         * testsuite/Makefile.in: Rebuild.
11514
11515         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11516         aliases for symbols defined in the same object.
11517         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11518         (weak_alias_test_SOURCES): New variable.
11519         (weak_alias_test_DEPENDENCIES): New variable.
11520         (weak_alias_test_LDFLAGS): New variable.
11521         (weak_alias_test_LDADD): New variable.
11522         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11523         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11524         (weak_alias_test_3.o): New target.
11525         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11526         * testsuite/weak_alias_test_main.cc: New file.
11527         * testsuite/weak_alias_test_1.cc: New file.
11528         * testsuite/weak_alias_test_2.cc: New file.
11529         * testsuite/weak_alias_test_3.cc: New file.
11530
11531 2008-04-08  Ian Lance Taylor  <iant@google.com>
11532
11533         * options.h (class General_options): Add --noinhibit-exec option.
11534         * main.cc (main): Check --noinhibit-exec.
11535
11536         * options.h (class General_options): Define --wrap as a special
11537         option.  Add wrap_symbols_ field.
11538         (General_options::any_wrap_symbols): New function.
11539         (General_options::is_wrap_symbol): New function.
11540         * options.cc (General_options::parse_wrap): New function.
11541         (General_options::General_options): Initialize wrap_symbols_.
11542         * symtab.cc (Symbol_table::wrap_symbol): New function.
11543         (Symbol_table::add_from_object): Handle --wrap.
11544         * symtab.h (class Symbol_table): Declare wrap_symbol.
11545         * target.h (Target::wrap_char): New function.
11546         (Target::Target_info): Add wrap_char field.
11547         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11548         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11549         * testsuite/testfile.cc (Target_test::test_target_info):
11550         Likewise.
11551
11552         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11553         there is one.
11554
11555         * layout.h (class Layout): Add added_eh_frame_data_ field.
11556         * layout.cc (Layout::Layout): Initialize new field.
11557         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11558         output section until we find a section we merged successfully.
11559         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11560         that the size be non-zero.
11561
11562         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11563         qualifier.
11564
11565 2008-04-08  Craig Silverstein  <csilvers@google.com>
11566
11567         * configure.ac: Export new conditional variable HAVE_ZLIB.
11568         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11569         on HAVE_ZLIB.
11570         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11571         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11572
11573 2008-04-07  Ian Lance Taylor  <iant@google.com>
11574
11575         * version.cc (version_string): Set to "1.5".
11576
11577         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11578         Add issued_non_pic_error_ field.  Declare check_non_pic.
11579         (Target_x86_64::Scan::check_non_pic): New function.
11580         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11581         (Target_x86_64::Scan::global): Likewise.
11582
11583         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11584         addend parameter.  Change caller.  Handle merge sections.
11585         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11586         Address to Addend.  Don't add in the result of
11587         local_section_offset, pass down the addend and use the returned
11588         value.
11589         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11590         Update declarations of local_section_offset and symbol_value.
11591         * testsuite/two_file_test_1.cc (t18): New function.
11592         * testsuite/two_file_test_2.cc (f18): New function.
11593         * testsuite/two_file_test_main.cc (main): Call t18.
11594         * testsuite/two_file_test.h (t18, f18): Declare.
11595
11596         * configure.ac: Don't test for objdump, c++filt, or readelf.
11597         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11598         conditionals.
11599         (TEST_READELF): New variable.
11600         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11601         (check_PROGRAMS): Add two_file_strip_test.
11602         (two_file_strip_test): New target.
11603         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11604         (two_file_same_shared_strip_test_SOURCES): New variable.
11605         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11606         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11607         (two_file_same_shared_strip_test_LDADD): New variable.
11608         (two_file_shared_strip.so): New target.
11609         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11610         (ver_test_5.syms, ver_test_7.syms): Likewise.
11611         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11612         (strip_test_3.stdout): Use TEST_OBJDUMP.
11613         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11614
11615 2008-04-04  Cary Coutant  <ccoutant@google.com>
11616
11617         * symtab.h (Symbol::is_weak_undefined): New function.
11618         (Symbol::is_strong_undefined): New function.
11619         (Symbol::is_absolute): New function.
11620         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11621         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11622         absolute symbols.
11623         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11624         (weak_undef_test): New target.
11625         * testsuite/Makefile.in: Rebuild.
11626         * testsuite/weak_undef_file1.cc: New file.
11627         * testsuite/weak_undef_file2.cc: New file.
11628         * testsuite/weak_undef_test.cc: New file.
11629
11630 2008-04-03  Craig Silverstein  <csilvers@google.com>
11631
11632         * compressed_output.h (class Output_compressed_section): Use
11633         unsigned buffer.
11634         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11635         add zlib header.
11636         (zlib_compressed_suffix): Removed.
11637         (Output_compressed_section::set_final_data_size): Use unsigned
11638         buffers.
11639         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11640         Fix linker invocation.
11641         (flagstest_o_specialfile_and_compress_debug_sections):
11642         Likewise.
11643         * testsuite/Makefile.in: Regenerated.
11644
11645 2008-04-02  David S. Miller  <davem@davemloft.net>
11646
11647         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11648         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11649
11650 2008-04-02  Craig Silverstein  <csilvers@google.com>
11651
11652         * TODO: New file.
11653
11654 2008-04-02  Ian Lance Taylor  <iant@google.com>
11655
11656         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11657         parameters.  Update for new key type to views_.  Change all
11658         callers.
11659         (File_read::read): Adjust for byteshift in returned view.
11660         (File_read::add_view): New function, broken out of
11661         find_and_make_view.
11662         (File_read::make_view): New function, broken out of
11663         find_and_make_view.
11664         (File_read::find_or_make_view): Add offset and aligned
11665         parameters.  Rewrite accordingly.  Change all callers.
11666         (File_read::get_view): Add offset and aligned parameters.  Adjust
11667         for byteshift in return value.
11668         (File_read::get_lasting_view): Likewise.
11669         * fileread.h (class File_read): Update declarations.
11670         (class File_read::View): Add byteshift_ field.  Add byteshift to
11671         constructor.  Add byteshift method.
11672         * archive.h (Archive::clear_uncached_views): New function.
11673         (Archive::get_view): Add aligned parameter.  Change all callers.
11674         * object.h (Object::get_view): Add aligned parameter.  Change all
11675         callers.
11676         (Object::get_lasting_view): Likewise.
11677
11678         * fileread.cc (File_read::release): Don't call clear_views if
11679         there are multiple objects.
11680         * fileread.h (File_read::clear_uncached_views): New function.
11681         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11682         on the archive.
11683
11684 2008-03-31  Cary Coutant  <ccoutant@google.com>
11685
11686         Add thin archive support.
11687         * archive.cc (Archive::armagt): New const.
11688         (Archive::setup): Remove task parameter and calls to unlock.
11689         (Archive::unlock_nested_archives): New function.
11690         (Archive::read_header): Add nested_off parameter. Change
11691         all callers.
11692         (Archive::interpret_header): Likewise.
11693         (Archive::include_all_members): Change to handle thin
11694         archives.
11695         (Archive::include_member): Likewise.
11696         * archive.h (Archive::Archive): Add new parameters and
11697         initializers.
11698         (Archive::armagt): New const.
11699         (Archive::setup): Remove task parameter.
11700         (Archive::unlock_nested_archives): New function.
11701         (Archive::read_header): Add nested_off parameter.
11702         (Archive::interpret_header): Likewise.
11703         (Archive::Nested_archive_table): New typedef.
11704         (Archive::is_thin_archive_): New field.
11705         (Archive::nested_archives_): New field.
11706         (Archive::options_): New field.
11707         (Archive::dirpath_): New field.
11708         (Archive::task_): New field.
11709         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11710         for thin archives.  Pass additional parameters to
11711         Archive::Archive.  Unlock the archive file after calling
11712         Archive::setup.
11713
11714 2008-03-29  Ian Lance Taylor  <iant@google.com>
11715
11716         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11717         version symbol to be local.
11718         * testsuite/ver_test_4.sh: New file.
11719         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11720         (check_DATA): Add ver_test_4.syms.
11721         (ver_test_4.syms): New target.
11722         * testsuite/Makefile.in: Rebuild.
11723
11724         * output.cc
11725         (Output_section::Input_section_sort_entry::has_priority): New
11726         function.
11727         (Output_section::Input_section_sort_entry::match_file_name): New
11728         function.
11729         (Output_section::Input_section_sort_entry::match_section_name):
11730         Remove.
11731         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11732         Remove.
11733         (Output_section::Input_section_sort_entry::match_section_file):
11734         Remove.
11735         (Output_section::Input_section_sort_compare::operator()): Rewrite
11736         using new Input_section_sort_entry functions.  Sort crtbegin and
11737         crtend first.  Sort sections with no priority before sections with
11738         a priority.
11739         * testsuite/initpri1.c (d3): Check j != 4.
11740         (cd5): New constructor/destructor function.
11741         (main): Check j != 2.
11742
11743         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11744         new symbol when resolving, don't call set_is_default.
11745         * testsuite/ver_test_7.cc: New file.
11746         * testsuite/ver_test_7.sh: New file.
11747         * testsuite/Makefile.am (ver_test_7.so): New target.
11748         (ver_test_7.o): New target.
11749         (check_SCRIPTS): Add ver_test_7.sh.
11750         (check_DATA): Add ver_test_7.syms.
11751         (ver_test_7.syms): New target.
11752
11753 2008-03-28  Ian Lance Taylor  <iant@google.com>
11754
11755         * layout.cc (Layout::layout): If we see an input section with a
11756         name that needs sorting, set the must_sort flag for the output
11757         section.
11758         (Layout::make_output_section): If the name of the output section
11759         indicates that it might require sorting, set the may_sort flag.
11760         * output.h (Output_section::may_sort_attached_input_sections): New
11761         function.
11762         (Output_section::set_may_sort_attached_input_sections): New
11763         function.
11764         (Output_section::must_sort_attached_input_sections): New
11765         function.
11766         (Output_section::set_must_sort_attached_input_sections): New
11767         function.
11768         (class Output_section): Declare Input_section_sort_entry.  Define
11769         Input_section_sort_compare.  Declare
11770         sort_attached_input_sections.  Add new fields:
11771         may_sort_attached_input_sections_,
11772         must_sort_attached_input_sections_,
11773         attached_input_sections_are_sorted_.
11774         * output.cc (Output_section::Output_section): Initialize new
11775         fields.
11776         (Output_section::add_input_section): Add an entry to
11777         input_sections_ if may_sort or must_sort are true.
11778         (Output_section::set_final_data_size): Call
11779         sort_attached_input_sections if necessary.
11780         (Output_section::Input_section_sort_entry): Define new class.
11781         (Output_section::Input_section_sort_compare::operator()): New
11782         function.
11783         (Output_section::sort_attached_input_sections): New function.
11784         * configure.ac: Check whether the compiler supports constructor
11785         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11786         * testsuite/initpri1.c: New file.
11787         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11788         CONSTRUCTOR_PRIORITY.
11789         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11790         (initpri1_LDFLAGS): New variable.
11791         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11792
11793 2008-03-27  Ian Lance Taylor  <iant@google.com>
11794
11795         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11796         * testsuite/common_test_1.c: New file.
11797         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11798         (common_test_1_SOURCES): New variable.
11799         (common_test_1_DEPENDENCIES): New variable.
11800         (common_test_1_LDFLAGS): New variable.
11801
11802         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11803         and commons_ correctly when NAME/VERSION does not override
11804         NAME/NULL.
11805         * testsuite/ver_test_6.c: New file.
11806         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11807         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11808         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11809
11810 2008-03-26  Ian Lance Taylor  <iant@google.com>
11811
11812         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11813         of an undefined symbol from a version script.
11814         * testsuite/Makefile.am (ver_test_5.so): New target.
11815         (ver_test_5.o): New target.
11816         (check_SCRIPTS): Add ver_test_5.sh.
11817         (check_DATA): Add ver_test_5.syms.
11818         (ver_test_5.syms): New target.
11819         * testsuite/ver_test_5.cc: New file.
11820         * testsuite/ver_test_5.script: New file.
11821         * testsuite/ver_test_5.sh: New file.
11822         * Makefile.in, testsuite/Makefile.in: Rebuild.
11823
11824         PR gold/5986
11825         Fix problems building gold with gcc 4.3.0.
11826         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11827         (gold_error_at_location, gold_warning_at_location): Use it.
11828         * configure.ac: Check whether we can compile and use a template
11829         function with a printf attribute.
11830         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11831         when jumping over bytes.
11832         * object.cc: Instantiate Object::read_section_data.
11833         * debug.h: Include <cstring>
11834         * dwarf_reader.cc: Include <algorithm>
11835         * main.cc: Include <cstring>.
11836         * options.cc: Include <cstring>.
11837         * output.cc: Include <cstring>.
11838         * script.cc: Include <cstring>.
11839         * script.h: Include <string>.
11840         * symtab.cc: Include <cstring> and <algorithm>.
11841         * target-select.cc: Include <cstring>.
11842         * version.cc: Include <string>.
11843         * testsuite/testmain.cc: Include <cstdlib>.
11844         * configure, config.in: Rebuild.
11845
11846 2008-03-25  Ian Lance Taylor  <iant@google.com>
11847
11848         * options.cc: Include "../bfd/bfdver.h".
11849         (options::help): Print bug reporting address.
11850
11851         * version.cc (print_version): Adjust output for current value of
11852         BFD_VERSION_STRING.
11853
11854         * NEWS: New file.
11855
11856         * options.cc (options::help): Print list of supported targets.
11857         * target-select.h: Include <vector>.
11858         (class Target_selector): Make machine_, size_, and is_big_endian_
11859         fields const.  Add bfd_name_ and instantiated_target_ fields.
11860         (Target_selector::Target_selector): Add bfd_name parameter.
11861         (Target_selector::recognize): Make non-virtual, call
11862         do_recognize.
11863         (Target_selector::recognize_by_name): Make non-virtual, call
11864         do_recognize_by_name.
11865         (Target_selector::supported_names): New function.
11866         (Target_selector::bfd_name): New function.
11867         (Target_selector::do_instantiate_target): New pure virtual
11868         function.
11869         (Target_selector::do_recognize): New virtual function.
11870         (Target_selector::do_recognize_by_name): New virtual function.
11871         (Target_selector::instantiate_target): New private function.
11872         (supported_target_names): Declare.
11873         * target-select.cc (Target_selector::Target_selector): Update for
11874         new parameter and fields.
11875         (select_target_by_name): Check that the name matches before
11876         calling recognize_by_name.
11877         (supported_target_names): New function.
11878         * i386.cc (class Target_selector_i386): Update Target_selector
11879         constructor call.  Remove recognize and recognize_by_name.  Add
11880         do_instantiate_target.
11881         * x86_64.cc (class Target_selector_x86_64): Likewise.
11882         * testsuite/testfile.cc (class Target_selector_test): Update for
11883         changes to Target_selector.
11884
11885         * README: Rewrite, with some notes on unsupported features.
11886
11887 2008-03-24  Cary Coutant  <ccoutant@google.com>
11888
11889         * i386.cc (Target_i386::Got_type): New enum declaration.
11890         (Target_i386::Scan::local): Updated callers of Output_data_got
11891         member functions.
11892         (Target_i386::Scan::global): Likewise.
11893         (Target_i386::Relocate::relocate): Likewise.
11894         (Target_i386::Relocate::relocate_tls): Likewise.
11895         * object.h (Got_offset_list): New class.
11896         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11897         (Sized_relobj::local_got_offset): Likewise.
11898         (Sized_relobj::set_local_got_offset): Likewise.
11899         (Sized_relobj::local_has_tls_got_offset): Removed.
11900         (Sized_relobj::local_tls_got_offset): Removed.
11901         (Sized_relobj::set_local_tls_got_offset): Removed.
11902         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11903         * output.cc (Output_data_got::add_global): Added got_type parameter.
11904         (Output_data_got::add_global_with_rel): Likewise.
11905         (Output_data_got::add_global_with_rela): Likewise.
11906         (Output_data_got::add_global_pair_with_rel): New function.
11907         (Output_data_got::add_global_pair_with_rela): New function.
11908         (Output_data_got::add_local): Added got_type parameter.
11909         (Output_data_got::add_local_with_rel): Likewise.
11910         (Output_data_got::add_local_with_rela): Likewise.
11911         (Output_data_got::add_local_pair_with_rel): New function.
11912         (Output_data_got::add_local_pair_with_rela): New function.
11913         (Output_data_got::add_global_tls): Removed.
11914         (Output_data_got::add_global_tls_with_rel): Removed.
11915         (Output_data_got::add_global_tls_with_rela): Removed.
11916         (Output_data_got::add_local_tls): Removed.
11917         (Output_data_got::add_local_tls_with_rel): Removed.
11918         (Output_data_got::add_local_tls_with_rela): Removed.
11919         * output.h (Output_data_got::add_global): Added got_type parameter.
11920         (Output_data_got::add_global_with_rel): Likewise.
11921         (Output_data_got::add_global_with_rela): Likewise.
11922         (Output_data_got::add_global_pair_with_rel): New function.
11923         (Output_data_got::add_global_pair_with_rela): New function.
11924         (Output_data_got::add_local): Added got_type parameter.
11925         (Output_data_got::add_local_with_rel): Likewise.
11926         (Output_data_got::add_local_with_rela): Likewise.
11927         (Output_data_got::add_local_pair_with_rel): New function.
11928         (Output_data_got::add_local_pair_with_rela): New function.
11929         (Output_data_got::add_global_tls): Removed.
11930         (Output_data_got::add_global_tls_with_rel): Removed.
11931         (Output_data_got::add_global_tls_with_rela): Removed.
11932         (Output_data_got::add_local_tls): Removed.
11933         (Output_data_got::add_local_tls_with_rel): Removed.
11934         (Output_data_got::add_local_tls_with_rela): Removed.
11935         * resolve.cc (Symbol::override_base_with_special): Removed
11936         reference to has_got_offset_ field.
11937         * symtab.cc (Symbol::init_fields): Replaced initialization
11938         of got_offset_ with got_offsets_.  Removed initialization
11939         of has_got_offset_
11940         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11941         (Symbol::got_offset): Likewise.
11942         (Symbol::set_got_offset): Likewise.
11943         (Symbol::has_tls_got_offset): Removed.
11944         (Symbol::tls_got_offset): Removed.
11945         (Symbol::set_tls_got_offset): Removed.
11946         (Symbol::got_offset_): Removed.
11947         (Symbol::tls_mod_got_offset_): Removed.
11948         (Symbol::tls_pair_got_offset_): Removed.
11949         (Symbol::got_offsets_): New field.
11950         (Symbol::has_got_offset): Removed.
11951         (Symbol::has_tls_mod_got_offset): Removed.
11952         (Symbol::has_tls_pair_got_offset): Removed.
11953         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11954         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11955         member functions.
11956         (Target_x86_64::Scan::global): Likewise.
11957         (Target_x86_64::Relocate::relocate): Likewise.
11958         (Target_x86_64::Relocate::relocate_tls): Likewise.
11959
11960 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11961
11962         * yyscript.y: Fix spelling error in comment.
11963
11964 2008-03-24  Ian Lance Taylor  <iant@google.com>
11965
11966         * options.h (class General_options): Define build_id option.
11967         * layout.h (class Layout): Declare write_build_id, create_note,
11968         create_build_id.  Add build_id_note_ member.
11969         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11970         "libiberty.h", "md5.h", "sha1.h".
11971         (Layout::Layout): Initialize eh_frame_data_,
11972         eh_frame_hdr_section_, and build_id_note_.
11973         (Layout::finalize): Call create_build_id.
11974         (Layout::create_note): New function, broken out of
11975         Layout::create_gold_note.
11976         (Layout::create_gold_note): Call create_note.
11977         (Layout::create_build_id): New function.
11978         (Layout::write_build_id): New function.
11979         (Close_task_runner::run): Call write_build_id.
11980
11981         * x86_64.cc: Correct license to GPLv3.
11982
11983 2008-03-23  Ian Lance Taylor  <iant@google.com>
11984
11985         * options.cc: Include "demangle.h".
11986         (parse_optional_string): New function.
11987         (parse_long_option): Handle takes_optional_argument.
11988         (parse_short_option): Update dash_z initializer.  Handle
11989         takes_optional_argument.
11990         (General_options::General_options): Initialize do_demangle_.
11991         (General_options::finalize): Set do_demangle_.  Handle demangling
11992         style.
11993         * options.h (parse_optional_string): Declare.
11994         (struct One_option): Add optional_arg field.  Update constructor.
11995         Update call constructor calls.  Add takes_optional_argument
11996         function.
11997         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11998         (DEFINE_optional_string): Define.
11999         (General_options::demangle): Change from DEFINE_bool to
12000         DEFINE_optional_string.
12001         (General_options::no_demangle): New function.
12002         (General_options::do_demangle): New function.
12003         (General_options::set_do_demangle): New function.
12004         (General_options::execstack_status_): Move definition to end of
12005         class definition.
12006         (General_options::static_): Likewise.
12007         (General_options::do_demangle_): New field.
12008         * object.cc (big_endian>::get_symbol_location_info): Call
12009         Options::do_demangle, not Options::demangle.
12010         * symtab.cc (demangle): Likewise.
12011
12012 2008-03-22  Ian Lance Taylor  <iant@google.com>
12013
12014         * gold.h: Include <cstddef> and <sys/types.h>
12015         * options.h: Include <cstring>.
12016
12017 2008-03-21  Ian Lance Taylor  <iant@google.com>
12018
12019         * Added source code to GNU binutils.