gold/ChangeLog

   1 2011-09-26  Cary Coutant  <ccoutant@google.com>
   2
   3         * gold/gold.cc (queue_initial_tasks): Move option checks ...
   4         * gold/options.cc (General_options::finalize): ... to here. Disable
   5         some options; make others fatal.
   6
   7 2011-09-26  Cary Coutant  <ccoutant@google.com>
   8
   9         gcc PR lto/47247
  10         * plugin.cc (get_symbols_v2): New function.
  11         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  12         (is_referenced_from_outside): New function.
  13         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  14         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  15         (get_symbols): Pass version parameter.
  16         (get_symbols_v2): New function.
  17         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  18         parameter.
  19         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  20         (onload): Add LDPT_GET_SYMBOLS_V2.
  21         (all_symbols_read_hook): Use get_symbols_v2; check for
  22         LDPR_PREVAILING_DEF_IRONLY_EXP.
  23         * testsuite/plugin_test_3.sh: Update expected results.
  24
  25 2011-09-23  Simon Baldwin  <simonb@google.com>
  26
  27         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  28         configuration options.
  29         * configure: Regenerate.
  30         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  31         * Makefile.in: Regenerate.
  32         * testsuite/Makefile.in: Regenerate.
  33
  34 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  35
  36         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  37
  38 2011-09-19  Cary Coutant  <ccoutant@google.com>
  39
  40         * incremental.cc (can_incremental_update): Fix typo in comment.
  41         * incremental.h (can_incremental_update): Likewise.
  42
  43 2011-09-18  Cary Coutant  <ccoutant@google.com>
  44
  45         * incremental.cc (can_incremental_update): New function.
  46         * incremental.h (can_incremental_update): New function.
  47         * layout.cc (Layout::init_fixed_output_section): Call it.
  48         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  49         * object.cc (Sized_relobj_file::do_layout): Call
  50         can_incremental_update.
  51
  52 2011-09-13  Cary Coutant  <ccoutant@google.com>
  53
  54         * configure.ac: Check for glibc support for gnu_indirect_function
  55         support with static linking, setting automake conditional
  56         IFUNC_STATIC.
  57         * Makefile.in: Regenerate.
  58         * configure: Regenerate.
  59
  60         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  61         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  62         for IFUNC_STATIC.
  63         * testsuite/Makefile.in: Regenerate.
  64
  65 2011-09-13  Cary Coutant  <ccoutant@google.com>
  66
  67         * incremental.cc (Sized_relobj_incr::do_layout): Call
  68         report_comdat_group for kept comdat sections.
  69         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
  70         * testsuite/Makefile.in: Regenerate.
  71         * testsuite/incr_comdat_test_1.cc: New source file.
  72         * testsuite/incr_comdat_test_2_v1.cc: New source file.
  73         * testsuite/incr_comdat_test_2_v2.cc: New source file.
  74         * testsuite/incr_comdat_test_2_v3.cc: New source file.
  75
  76 2011-09-13  Ian Lance Taylor  <iant@google.com>
  77
  78         * object.cc (Sized_relobj_file::do_layout): Remove unused local
  79         variable external_symbols_offset.
  80
  81 2011-09-12  Ian Lance Taylor  <iant@google.com>
  82
  83         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
  84         triggered if object has no symbols.
  85
  86 2011-09-09  David S. Miller  <davem@davemloft.net>
  87
  88         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
  89         (Output_fill_debug_line::do_write): Likewise.
  90
  91 2011-08-29  Cary Coutant  <ccoutant@google.com>
  92
  93         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
  94         casts to match formatting specs.
  95         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
  96
  97 2011-08-26  Cary Coutant  <ccoutant@google.com>
  98
  99         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 100         remaining hole size when allocating.
 101         (Layout::make_output_section): Set fill methods for debug sections.
 102         * layout.h (Free_list::Free_list_node): Move from private to
 103         public.
 104         (Free_list::set_min_hole_size): New function.
 105         (Free_list::begin, Free_list::end): New functions.
 106         (Free_list::min_hole_): New data member.
 107         * output.cc: Include dwarf.h.
 108         (Output_fill_debug_info::do_minimum_hole_size): New function.
 109         (Output_fill_debug_info::do_write): New function.
 110         (Output_fill_debug_line::do_minimum_hole_size): New function.
 111         (Output_fill_debug_line::do_write): New function.
 112         (Output_section::Output_section): Initialize new data member.
 113         (Output_section::set_final_data_size): Ensure patch space is larger
 114         than minimum hole size.
 115         (Output_section::do_write): Fill holes in debug sections.
 116         * output.h (Output_fill): New class.
 117         (Output_fill_debug_info): New class.
 118         (Output_fill_debug_line): New class.
 119         (Output_section::set_free_space_fill): New function.
 120         (Output_section::free_space_fill_): New data member.
 121         * testsuite/Makefile.am (incremental_test_3): Add
 122         --incremental-patch option.
 123         (incremental_test_4): Likewise.
 124         (incremental_test_5): Likewise.
 125         (incremental_test_6): Likewise.
 126         (incremental_copy_test): Likewise.
 127         (incremental_common_test_1): Likewise.
 128         * testsuite/Makefile.in: Regenerate.
 129
 130 2011-08-26  Nick Clifton  <nickc@redhat.com>
 131
 132         * po/es.po: Updated Spanish translation.
 133
 134 2011-08-01  Cary Coutant  <ccoutant@google.com>
 135
 136         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 137         * gold/testsuite/Makefile.in: Regenerate.
 138         * gold/testsuite/justsyms_exec.c: New source file.
 139         * gold/testsuite/justsyms_lib.c: New source file.
 140
 141 2011-08-01  Cary Coutant  <ccoutant@google.com>
 142
 143         * layout.cc (Layout::set_segment_offsets): Don't realign text
 144         segment if -Ttext was specified.
 145         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 146         file type.
 147         * object.h (Sized_relobj_file::e_type): New function.
 148         (Sized_relobj_file::e_type_): New data member.
 149         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 150         base address for ET_EXEC files.
 151         * target.cc (Target::do_make_elf_object_implementation): Allow
 152         ET_EXEC files with --just-symbols option.
 153
 154 2011-07-28  Cary Coutant  <ccoutant@google.com>
 155
 156         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 157         Add thread_number parameter.
 158         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 159         * workqueue-threads.cc
 160         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 161         current thread if its thread number is greater than desired thread
 162         count.
 163         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 164         Add thread_number parameter.
 165         (Workqueue::should_cancel_thread): Likewise.
 166         (Workqueue::find_runnable_or_wait): Pass thread_number to
 167         should_cancel_thread.
 168         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 169         parameter.
 170
 171 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 172
 173         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 174         only after checking if it cannot be forced local.
 175         * symtab.h (is_externally_visible): Check if the symbol is not forced
 176         local.
 177
 178 2011-07-15  Ian Lance Taylor  <iant@google.com>
 179
 180         * options.h (class General_options): Add --print-output-format.
 181         Move -EL next to -EB, for  better --help output.
 182         * target-select.cc: Include <cstdio>, "options.h", and
 183         "parameters.h".
 184         (Target_selector::do_target_bfd_name): New function.
 185         (print_output_format): New function.
 186         * target-select.h (class Target_selector): Update declarations.
 187         (Target_selector::target_bfd_name): New function.
 188         (print_output_format): Declare.
 189         * main.cc: Include "target-select.h".
 190         (main): Handle --print-output-format.
 191         * gold.cc: Include "target-select.h".
 192         (queue_initial_tasks): Handle --print-output-format when there are
 193         no input files.
 194         * parameters.cc (parameters_force_valid_target): Give a better
 195         error message if -EB/-EL does not match target.
 196         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 197         function.
 198
 199 2011-07-15  Ian Lance Taylor  <iant@google.com>
 200
 201         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 202         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 203         (Output_data_plt_i386::do_write): Write address of .dynamic
 204         section to first entry in .got.plt section.
 205         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 206         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 207         Initialize layout_.
 208         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 209         section to first entry in .got.plt section.
 210         * layout.h (Layout::dynamic_section): New function.
 211
 212 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 213
 214         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 215         to claim_file call.
 216         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 217         input_section_position_, and input_section_glob_.
 218         (read_layout_from_file): Call function section_ordering_specified.
 219         * layout.h (is_section_ordering_specified): New function.
 220         (section_ordering_specified): New function.
 221         (section_ordering_specified_): New boolean member.
 222         * main.cc(main): Call load_plugins after layout object is defined.
 223         * output.cc (Output_section::add_input_section): Use
 224         function section_ordering_specified to check if section ordering is
 225         needed.
 226         * output.cc (Output_section::add_relaxed_input_section): Use
 227         function section_ordering_specified to check if section ordering is
 228         needed.
 229         (Output_section::update_section_layout): New function.
 230         (Output_section::sort_attached_input_sections): Check if input section
 231         must be reordered.
 232         * output.h (Output_section::update_section_layout): New function.
 233         * plugin.cc (get_section_count): New function.
 234         (get_section_type): New function.
 235         (get_section_name): New function.
 236         (get_section_contents): New function.
 237         (update_section_order): New function.
 238         (allow_section_ordering): New function.
 239         (Plugin::load): Add the new interfaces to the transfer vector.
 240         (Plugin_manager::load_plugins): New parameter.
 241         (Plugin_manager::all_symbols_read): New parameter.
 242         (Plugin_manager::claim_file): New parameter. Save the elf object for
 243         unclaimed objects.
 244         (Plugin_manager::get_elf_object): New function.
 245         (Plugin_manager::get_view): Change to directly use the bool to check
 246         if get_view is called from claim_file_hook.
 247         * plugin.h (input_objects): New function
 248         (Plugin__manager::load_plugins): New parameter.
 249         (Plugin_manager::claim_file): New parameter.
 250         (Plugin_manager::get_elf_object): New function.
 251         (Plugin_manager::in_claim_file_handler): New function.
 252         (Plugin_manager::in_claim_file_handler_): New member.
 253         (layout): New function.
 254         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 255         handler with an extra parameter. Make the elf object before calling
 256         claim_file handler.
 257         * testsuite/plugin_test.c (get_section_count): New function pointer.
 258         (get_section_type): New function pointer.
 259         (get_section_name): New function pointer.
 260         (get_section_contents): New function pointer.
 261         (update_section_order): New function pointer.
 262         (allow_section_ordering): New function pointer.
 263         (onload): Check if the new interfaces exist.
 264
 265 2011-07-13  Ian Lance Taylor  <iant@google.com>
 266
 267         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 268         relro section.
 269         * x86_64.cc (Target_x86_64::got_section): Likewise.
 270         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 271         (relro_now_test_SOURCES): New variable.
 272         (relro_now_test_DEPENDENCIES): New variable.
 273         (relro_now_test_LDFLAGS): New variable.
 274         (relro_now_test_LDADD): New variable.
 275         (relro_now_test.so): New target.
 276         * testsuite/Makefile.in: Rebuild.
 277
 278 2011-07-12  Ian Lance Taylor  <iant@google.com>
 279
 280         PR gold/12980
 281         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 282         GLOB_DAT relocation rather than a RELATIVE relocation for a
 283         protected symbol when creating a shared library.
 284         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 285         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 286         * testsuite/protected_main_1.cc (main): Test that protected
 287         function has same address.
 288
 289 2011-07-11  Ian Lance Taylor  <iant@google.com>
 290
 291         PR gold/12979
 292         * options.h (class General_options): Add -Bgroup.
 293         * options.cc (General_options::finalize): If -Bgroup is set,
 294         default to --unresolved-symbols=report-all.
 295         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 296         * target-reloc.h (issue_undefined_symbol_error): Handle
 297         --unresolved-symbols=report-all.
 298
 299 2011-07-08  Ian Lance Taylor  <iant@google.com>
 300
 301         PR gold/11985
 302         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 303         if linker script discards key sections.
 304         (Layout::create_dynamic_symtab): Likewise.
 305         (Layout::assign_local_dynsym_offsets): Likewise.
 306         (Layout::sized_create_version_sections): Likewise.
 307         (Layout::create_interp): Likewise.
 308         (Layout::finish_dynamic_section): Likewise.
 309         (Layout::set_dynamic_symbol_size): Likewise.
 310
 311 2011-07-08  Ian Lance Taylor  <iant@google.com>
 312
 313         PR gold/12386
 314         * options.h (class General_options): Add --unresolved-symbols.
 315         * target-reloc.h (issue_undefined_symbol_error): Check
 316         --unresolved-symbols.  Add comments.
 317
 318 2011-07-08  Ian Lance Taylor  <iant@google.com>
 319
 320         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 321         expression more complex.
 322
 323 2011-07-08  Ian Lance Taylor  <iant@google.com>
 324
 325         PR gold/11317
 326         * target-reloc.h (issue_undefined_symbol_error): New inline
 327         function, broken out of relocate_section.
 328         (relocate_section): Call issue_undefined_symbol_error.
 329         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 330         there is no TLS segment if we are about to issue an undefined
 331         symbol error.
 332         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 333
 334 2011-07-08  Ian Lance Taylor  <iant@google.com>
 335
 336         PR gold/12279
 337         * resolve.cc (Symbol_table::should_override): Add fromtype
 338         parameter.  Change all callers.  Give error when linking together
 339         TLS and non-TLS symbol.
 340         (Symbol_table::should_override_with_special): Add fromtype
 341         parameter.  Change all callers.
 342         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 343         there is no TLS segment if we have reported some errors.
 344         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 345
 346 2011-07-08  Ian Lance Taylor  <iant@google.com>
 347
 348         PR gold/12372
 349         * target.h (Target::plt_address_for_global): New function.
 350         (Target::plt_address_for_local): New function.
 351         (Target::plt_section_for_global): Remove.
 352         (Target::plt_section_for_local): Remove.
 353         (Target::do_plt_address_for_global): New virtual function.
 354         (Target::do_plt_address_for_local): New virtual function.
 355         (Target::do_plt_section_for_global): Remove.
 356         (Target::do_plt_section_for_local): Remove.
 357         (Target::register_global_plt_entry): Add Symbol_table and Layout
 358         parameters.
 359         * output.cc (Output_data_got::Got_entry::write): Use
 360         plt_address_for_global and plt_address_for_local.
 361         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 362         address of output section.
 363         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 364         got_irelative_, and irelative_count_ fields.  Update
 365         declarations.
 366         (Output_data_plt_i386::has_irelative_section): New function.
 367         (Output_data_plt_i386::entry_count): Add irelative_count_.
 368         (Output_data_plt_i386::set_final_data_size): Likewise.
 369         (class Target_i386): Add got_irelative_ and rel_irelative_
 370         fields.  Update declarations.
 371         (Target_i386::Target_i386): Initialize new fields.
 372         (Target_i386::do_plt_address_for_global): New function replacing
 373         do_plt_section_for_global.
 374         (Target_i386::do_plt_address_for_local): New function replacing
 375         do_plt_section_for_local.
 376         (Target_i386::got_section): Create got_irelative_.
 377         (Target_i386::rel_irelative_section): New function.
 378         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 379         fields.  Don't define __rel_iplt_{start,end}.
 380         (Output_data_plt_i386::add_entry): Add symtab and layout
 381         parameters.  Change all callers.  Use different PLT and GOT for
 382         IFUNC symbols.
 383         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 384         layout parameters.  Change all callers.  Use different PLT and
 385         GOT.
 386         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 387         (Output_data_plt_i386::rel_irelative): New function.
 388         (Output_data_plt_i386::address_for_global): New function.
 389         (Output_data_plt_i386::address_for_local): New function.
 390         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 391         IRELATIVE GOT when changing IFUNC GOT entries.
 392         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 393         reloc.
 394         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 395         if we didn't create an IRELATIVE GOT.
 396         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 397         plt_address_for_local.
 398         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 399         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 400         got_irelative_, and irelative_count_ fields.  Update
 401         declarations.
 402         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 403         Initialize new fields.  Remove symtab parameter.  Change all
 404         callers.
 405         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 406         irelative_count_.
 407         (Output_data_plt_x86_64::has_irelative_section): New function.
 408         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 409         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 410         fields.  Update declarations.
 411         (Target_x86_64::Target_x86_64): Initialize new fields.
 412         (Target_x86_64::do_plt_address_for_global): New function replacing
 413         do_plt_section_for_global.
 414         (Target_x86_64::do_plt_address_for_local): New function replacing
 415         do_plt_section_for_local.
 416         (Target_x86_64::got_section): Create got_irelative_.
 417         (Target_x86_64::rela_irelative_section): New function.
 418         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 419         all callers.  Don't create __rel_iplt_{start,end}.
 420         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 421         parameters.  Change all callers.  Use different PLT and GOT for
 422         IFUNC symbols.
 423         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 424         layout parameters.  Change all callers.  Use different PLT and
 425         GOT.
 426         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 427         parameters.  Change all callers.  Use different PLT and GOT for
 428         IFUNC symbols.
 429         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 430         (Output_data_plt_x86_64::rela_irelative): New function.
 431         (Output_data_plt_x86_64::address_for_global): New function.
 432         (Output_data_plt_x86_64::address_for_local): New function.
 433         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 434         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 435         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 436         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 437         parameters.
 438         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 439         reloc.
 440         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 441         symbols if we didn't create an IRELATIVE GOT.
 442         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 443         plt_address_for_local.
 444         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 445         * testsuite/ifuncvar1.c: New test file.
 446         * testsuite/ifuncvar2.c: New test file.
 447         * testsuite/ifuncvar3.c: New test file.
 448         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 449         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 450         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 451         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 452         * testsuite/Makefile.in: Rebuild.
 453
 454 2011-07-07  Cary Coutant  <ccoutant@google.com>
 455
 456         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 457         (two_file_test_1_ndebug.o): Likewise.
 458         (two_file_test_1b_ndebug.o): Likewise.
 459         (two_file_test_2_ndebug.o): Likewise.
 460         (two_file_test_main_ndebug.o): Likewise.
 461         (incremental_test_2): Link with no-debug versions.
 462
 463 2011-07-06  Cary Coutant  <ccoutant@google.com>
 464
 465         * gold/incremental.cc
 466         (Output_section_incremental_inputs::write_info_blocks): Check for
 467         hidden and internal symbols.
 468
 469 2011-07-06  Cary Coutant  <ccoutant@google.com>
 470
 471         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 472         Check disposition for startup file.
 473         (Incremental_inputs::report_command_line): Ignore
 474         --incremental-startup-unchanged option.
 475         * options.cc (General_options::parse_incremental_startup_unchanged):
 476         New function.
 477         (General_options::General_options): Initialize new data member.
 478         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 479         (General_options): Add --incremental-startup-unchanged option.
 480         (General_options::incremental_startup_disposition): New function.
 481         (General_options::incremental_startup_disposition_): New data member.
 482
 483 2011-07-06  Cary Coutant  <ccoutant@google.com>
 484
 485         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 486         input file index to Script_info ctor.
 487         (Sized_incremental_binary::do_file_has_changed): Find the
 488         command-line argument for files named in scripts.
 489         * incremental.h (Script_info::Script_info): New ctor
 490         with input file index.
 491         (Script_info::input_file_index): New function.
 492         (Script_info::input_file_index_): New data member.
 493         (Incremental_binary::get_library): Add const.
 494         (Incremental_binary::get_script_info): Add const.
 495         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 496         * testsuite/Makefile.am (incremental_test_5): New test case.
 497         (incremental_test_6): New test case.
 498         * testsuite/Makefile.in: Regenerate.
 499
 500 2011-07-06  Cary Coutant  <ccoutant@google.com>
 501
 502         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 503         debug output when command lines differ.
 504
 505 2011-07-06  Cary Coutant  <ccoutant@google.com>
 506
 507         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 508         --incremental-patch option.
 509         * layout.cc (Free_list::allocate): Extend allocation beyond original
 510         end if enabled.
 511         (Layout::make_output_section): Mark sections that should get
 512         patch space.
 513         * options.cc (parse_percent): New function.
 514         * options.h (parse_percent): New function.
 515         (DEFINE_percent): New macro.
 516         (General_options): Add --incremental-patch option.
 517         * output.cc (Output_section::Output_section): Initialize new data
 518         members.
 519         (Output_section::add_input_section): Print section name when out
 520         of patch space.
 521         (Output_section::add_output_section_data): Likewise.
 522         (Output_section::set_final_data_size): Add patch space when
 523         doing --incremental-full.
 524         (Output_section::do_reset_address_and_file_offset): Remove patch
 525         space.
 526         (Output_segment::set_section_list_addresses): Print debug output
 527         only if --incremental-update.
 528         * output.h (Output_section::set_is_patch_space_allowed): New function.
 529         (Output_section::is_patch_space_allowed_): New data member.
 530         (Output_section::patch_space_): New data member.
 531         * parameters.cc (Parameters::incremental_full): New function.
 532         * parameters.h (Parameters::incremental_full): New function
 533         * testsuite/Makefile.am (incremental_test_2): Add test for
 534         --incremental-patch option.
 535         * testsuite/Makefile.in: Regenerate.
 536         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 537         (t18): Remove function body.
 538
 539 2011-07-05  Doug Kwan  <dougkwan@google.com>
 540
 541         PR gold/12771
 542         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 543         Arm_Address type for relocation result.
 544         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 545         overflow check.
 546         (Arm_relocate_functions::abs32): Use unaligned access.
 547         (Arm_relocate_functions::rel32): Ditto.
 548         (Arm_relocate_functions::prel31): Ditto.
 549         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 550         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 551         static data relocations.
 552         * testsuite/Makefile.in: Regnerate.
 553         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 554
 555 2011-07-05  Ian Lance Taylor  <iant@google.com>
 556
 557         PR gold/12392
 558         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 559         symbols if necessary.
 560         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 561
 562 2011-07-05  Ian Lance Taylor  <iant@google.com>
 563
 564         PR gold/12952
 565         * resolve.cc (Symbol::override_base_with_special): Simply override
 566         version with special symbol version, ignoring previous version.
 567
 568 2011-07-05  Ian Lance Taylor  <iant@google.com>
 569
 570         * object.cc (Sized_relobj_file::include_section_group): Add
 571         information to comment about signature location.
 572
 573 2011-07-02  Ian Lance Taylor  <iant@google.com>
 574
 575         PR gold/12957
 576         * options.h (class General_options): Add -f and -F.
 577         * options.cc (General_options::finalize): Fatal error if -f/-F
 578         are used without -shared.
 579         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 580
 581 2011-07-02  Ian Lance Taylor  <iant@google.com>
 582
 583         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 584
 585 2011-07-01  Ian Lance Taylor  <iant@google.com>
 586
 587         PR gold/12525
 588         PR gold/12952
 589         * resolve.cc (Symbol::override_base_with_special): Don't override
 590         the version if the overriding symbol has a different name.
 591         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 592         all callers.  If we give an error about an undefined version,
 593         define the base version if necessary.
 594         * dynobj.h (class Versions): Update declaration.
 595         * testsuite/weak_alias_test_5.cc: New file.
 596         * testsuite/weak_alias_test.script: New file.
 597         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 598         and versioned_alias have the right value, and call t2.
 599         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 600         weak_alias_test_5.so.
 601         (weak_alias_test_LDADD): Likewise.
 602         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 603         * testsuite/Makefile.in: Rebuild.
 604
 605 2011-07-01  Ian Lance Taylor  <iant@google.com>
 606
 607         PR gold/12525
 608         * options.h (class General_options): Support -z notext.
 609         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 610         -Wl,-z,notext.
 611         (two_file_shared_nonpic.so): Likewise.
 612         (two_file_shared_mixed.so): Likewise.
 613         (two_file_shared_mixed_1.so): Likewise.
 614         (weak_undef_lib_nonpic.so): Likewise.
 615         (alt/weak_undef_lib_nonpic.so): Likewise.
 616         (tls_test_shared_nonpic.so): Likewise.
 617         * testsuite/Makefile.in: Rebuild.
 618
 619 2011-07-01  Ian Lance Taylor  <iant@google.com>
 620
 621         PR gold/12525
 622         * configure.ac: Test whether static linking works, setting
 623         the automake conditional HAVE_STATIC.
 624         * testsuite/Makefile.am: Disable tests using -static if
 625         HAVE_STATIC is not true.
 626         * configure, testsuite/Makefile.in: Rebuild.
 627
 628 2011-07-01  Ian Lance Taylor  <iant@google.com>
 629
 630         PR gold/12525
 631         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 632         Assert if we see DW_EH_PE_indirect.
 633         * target.h (Target::ehframe_datarel_base): New function.
 634         (Target::do_ehframe_datarel_base): New target function.
 635         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 636         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 637         function.
 638
 639 2011-07-01  Ian Lance Taylor  <iant@google.com>
 640
 641         PR gold/12571
 642         * options.h (class General_options): Add
 643         --ld-generated-unwind-info.
 644         * ehframe.cc (Fde::write): Add address parameter.  Change all
 645         callers.  If associated with PLT, fill in address and size.
 646         (Cie::set_output_offset): Only add merge mapping if there is an
 647         object.
 648         (Cie::write): Add address parameter.  Change all callers.
 649         (Eh_frame::add_ehframe_for_plt): New function.
 650         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 651         input_offset_ fields into union u_, with new plt field.
 652         (Fde::Fde): Adjust for new union field.
 653         (Fde::Fde) [Output_data version]: New constructor.
 654         (Fde::add_mapping): Only add merge mapping if there is an object.
 655         (class Cie): Update declarations.
 656         (class Eh_frame): Declare add_ehframe_for_plt.
 657         * layout.cc (Layout::layout_eh_frame): Break out code into
 658         make_eh_frame_section, and call it.
 659         (Layout::make_eh_frame_section): New function.
 660         (Layout::add_eh_frame_for_plt): New function.
 661         * layout.h (class Layout): Update declarations.
 662         * merge.cc (Merge_map::add_mapping): Add assertion.
 663         * i386.cc: Include "dwarf.h".
 664         (class Output_data_plt_i386): Make first_plt_entry,
 665         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 666         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 667         and plt_eh_frame_fde.
 668         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 669         boundary.  Call add_eh_frame_for_plt if appropriate.
 670         * x86_64.cc: Include "dwarf.h".
 671         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 672         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 673         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 674         and plt_eh_frame_fde.
 675         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 676         appropriate.
 677
 678 2011-06-29  Ian Lance Taylor  <iant@google.com>
 679
 680         PR gold/12629
 681         * object.cc (Sized_relobj_file::layout_section): Change shdr
 682         parameter to be const.
 683         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 684         out of do_layout.
 685         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 686         appropriate.  Call layout_eh_frame_section.
 687         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 688         sections.
 689         * object.h (class Sized_relobj_file): Update declarations.
 690
 691 2011-06-29  Ian Lance Taylor  <iant@google.com>
 692
 693         PR gold/12652
 694         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 695         modifier.
 696         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 697
 698 2011-06-29  Ian Lance Taylor  <iant@google.com>
 699
 700         PR gold/12675
 701         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 702         SHT_X86_64_UNWIND.
 703         * layout.cc (Layout::layout_eh_frame): Likewise.
 704
 705 2011-06-29  Ian Lance Taylor  <iant@google.com>
 706
 707         PR gold/12695
 708         * layout.cc (Layout::symtab_section_shndx): New function.
 709         * layout.h (class Layout): Declare symtab_section_shndx.
 710         * output.cc (Output_section::write_header): Call it.
 711
 712 2011-06-29  Ian Lance Taylor  <iant@google.com>
 713
 714         PR gold/12818
 715         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 716         symbols which are not used in a relocation.
 717
 718 2011-06-28  Ian Lance Taylor  <iant@google.com>
 719
 720         PR gold/12898
 721         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 722         script create indistinguishable segments.
 723         (Layout::set_segment_offsets): Use stable_sort when sorting
 724         segments.  Pass this to Compare_segments constructor.
 725         * layout.h (class Layout): Make segment_precedes non-static.
 726         (class Compare_segments): Change from struct to class.  Add
 727         layout_ field.  Add constructor.
 728         * script-sections.cc
 729         (Script_sections::attach_sections_using_phdrs_clause): Rename
 730         local orphan to is_orphan.  Don't report failure to put empty
 731         section in segment.  On attachment failure, report name of
 732         section, and attach to first PT_LOAD segment.
 733
 734 2011-06-28  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/12934
 737         * target-select.cc (Target_selector::Target_selector): Add
 738         emulation parameter.  Change all callers.
 739         (select_target_by_bfd_name): Rename from select_target_by_name.
 740         Change all callers.
 741         (select_target_by_emulation): New function.
 742         (supported_emulation_names): New function.
 743         * target-select.h (class Target_selector): Add emulation_ field.
 744         Update declarations.
 745         (Target_selector::recognize_by_bfd_name): Rename from
 746         recognize_by_name.  Change all callers.
 747         (Target_selector::supported_bfd_names): Rename from
 748         supported_names.  Change all callers.
 749         (Target_selector::recognize_by_emulation): New function.
 750         (Target_selector::supported_emulations): New function.
 751         (Target_selector::emulation): New function.
 752         (Target_selector::do_recognize_by_bfd_name): Rename from
 753         do_recognize_by_name.  Change all callers.
 754         (Target_selector::do_supported_bfd_names): Rename from
 755         do_supported_names.  Change all callers.
 756         (Target_selector::do_recognize_by_emulation): New function.
 757         (Target_selector::do_supported_emulations): New function.
 758         (select_target_by_bfd_name): Change name in declaration.
 759         (select_target_by_emulation): Declare.
 760         (supported_emulation_names): Declare.
 761         * parameters.cc (parameters_force_valid_target): Try to find
 762         target based on emulation from -m option.
 763         * options.h (class General_options): Change doc string for -m.
 764         * options.cc (help): Print emulations.
 765         (General_options::parse_V): Likewise.
 766         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 767         Add emulation parameter.  Change all callers.
 768
 769 2011-06-28  Ian Lance Taylor  <iant@google.com>
 770
 771         * target.h (class Target): Add osabi_ field.
 772         (Target::osabi): New function.
 773         (Target::set_osabi): New function.
 774         (Target::Target): Initialize osabi_.
 775         (Target::do_adjust_elf_header): Make pure virtual.
 776         (Sized_target::do_adjust_elf_header): Declare.
 777         * target.cc (Sized_target::do_adjust_elf_header): New function.
 778         (class Sized_target): Instantiate all versions.
 779         * freebsd.h (class Target_freebsd): Remove.
 780         (Target_selector_freebsd::do_recognize): Call set_osabi on
 781         Target.
 782         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 783         (Target_selector_freebsd::set_osabi): Remove.
 784         * i386.cc (class Target_i386): Inherit from Sized_target rather
 785         than Target_freebsd.
 786         * x86_64.cc (class Target_x86_64): Likewise.
 787
 788 2011-06-28  Ian Lance Taylor  <iant@google.com>
 789
 790         * target.h (Target::can_check_for_function_pointers): Rewrite.
 791         Make non-virtual.
 792         (Target::can_icf_inline_merge_sections): Likewise.
 793         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 794         (Target::Target_info): Add can_icf_inline_merge_sections field.
 795         (Target::do_can_check_for_function_pointers): New virtual
 796         function.
 797         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 798         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 799         from can_check_for_function_pointers, move in file.
 800         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 801         section_may_have_icf_unsafe_poineters, move in file.
 802         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 803         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 804         Rename from can_check_for_function_pointers, move in file.
 805         (Target_i386::can_icf_inline_merge_sections): Remove.
 806         (Target_i386::i386_info): Initialize
 807         can_icf_inline_merge_sections.
 808         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 809         Initialize can_icf_inline_merge_sections.
 810         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 811         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 812         Rename from can_check_for_function_pointers, move in file.
 813         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 814         (Target_x86_64::x86_64_info): Initialize
 815         can_icf_inline_merge_sections.
 816         * testsuite/testfile.cc (Target_test::test_target_info):
 817         Likewise.
 818         * icf.cc (get_section_contents): Correct formatting.
 819
 820 2011-06-27  Ian Lance Taylor  <iant@google.com>
 821
 822         * symtab.cc (Symbol::versioned_name): New function.
 823         (Symbol_table::add_to_final_symtab): Use versioned_name when
 824         appropriate.
 825         (Symbol_table::sized_write_symbol): Likewise.
 826         * symtab.h (class Symbol): Declare versioned_name.
 827         * stringpool.h (class Stringpool_template): Add variant of add
 828         which takes a std::basic_string.
 829         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 830         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 831         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 832         (ver_test_12.o): New target.
 833         * testsuite/Makefile.in: Rebuild.
 834
 835 2011-06-27  Doug Kwan  <dougkwan@google.com>
 836
 837         * arm.cc (Arm_relocate_functions::thm_jump8,
 838         Arm_relocate_functions::thm_jump11): Use a wider signed
 839         type to compute offset.
 840         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 841         arm_thm_jump8.
 842         * testsuite/Makefile.in: Regenerate.
 843         * testsuite/arm_branch_in_range.sh: Check test results of
 844         arm_thm_jump11 and arm_thm_jump8.
 845         * testsuite/arm_thm_jump11.s: New test source file.
 846         * testsuite/arm_thm_jump11.t: New linker script.
 847         * testsuite/arm_thm_jump8.s: New test source file.
 848         * testsuite/arm_thm_jump8.t: New linker script.
 849
 850 2011-06-24  Ian Lance Taylor  <iant@google.com>
 851
 852         * layout.cc: Include "object.h".
 853         (ctors_sections_in_init_array): New static variable.
 854         (Layout::is_ctors_in_init_array): New function.
 855         (Layout::layout): Add entry to ctors_sections_in_init_array if
 856         appropriate.
 857         * layout.h (class Layout): Declare is_ctors_in_init_array.
 858         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 859         is_ctors_reverse_view is set.
 860         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 861         all callers.  Set is_ctors_reverse_view field of View_size.
 862         (Sized_relobj_file::reverse_words): New function.
 863         * object.h (Sized_relobj_file::View_size): Add
 864         is_ctors_reverse_view field.
 865         (class Sized_relobj_file): Update declarations.
 866         * testsuite/initpri3.c: New test.
 867         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 868         initpri3b.
 869         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 870         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 871         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 872         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 873         * testsuite/Makefile.in: Rebuild.
 874
 875 2011-06-24  Cary Coutant  <ccoutant@google.com>
 876
 877         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 878         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 879         (debug_msg_cdebug.err): New targets.
 880         * testsuite/Makefile.in: Regenerate.
 881         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 882         Fix checks for link with shared library.
 883
 884 2011-06-24  Doug Kwan  <dougkwan@google.com>
 885
 886         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 887         skip empty text sections.
 888         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 889
 890 2011-06-22  Ian Lance Taylor  <iant@google.com>
 891
 892         PR gold/12910
 893         * options.h (class General_options): Add --ctors-in-init-array.
 894         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 895         friends as SHT_PROGBITS for merging sections.
 896         (Layout::layout): Remove special handling of .init_array and
 897         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 898         and .dtors if ctors_in_init_array.
 899         (Layout::make_output_section): Force correct section types for
 900         .init_array and friends.  Don't sort if doing relocatable link,
 901         Don't sort .ctors and .dtors if ctors_in_init_array.
 902         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 903         (Layout::output_section_name): Add relobj parameter.  Change all
 904         callers.  Handle .ctors. and .dtors. in code rather than table.
 905         Handle .ctors and .dtors if ctors_in_init_array.
 906         (Layout::match_file_name): New function, moved from output.cc.
 907         * layout.h (class Layout): Update declarations.
 908         * output.cc: Include "layout.h".
 909         (Input_section_sort_entry::get_priority): New function.
 910         (Input_section_sort_entry::match_file_name): Just call
 911         Layout::match_file_name.
 912         (Output_section::Input_section_sort_init_fini_compare::operator()):
 913         Handle .ctors and .dtors.  Sort by explicit priority rather than
 914         by name.
 915         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 916         * testsuite/initpri2.c: New test.
 917         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 918         (check_PROGRAMS): Add initpri2.
 919         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 920         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 921         * configure, testsuite/Makefile.in: Rebuild.
 922
 923 2011-06-19  Ian Lance Taylor  <iant@google.com>
 924
 925         PR gold/12880
 926         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 927         .interp section to a PT_INTERP segment even if we have seen a
 928         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 929         clause in a linker script.
 930         (Layout::finalize): Don't create a .interp section if we've
 931         already create a PT_INTERP segment.
 932         (Layout::create_interp): Always call choose_output_section (revert
 933         patch of 2011-06-17).  Don't create PT_INTERP segment.
 934         * script-sections.cc
 935         (Script_sections::create_note_and_tls_segments): Add a .interp
 936         section to a PT_INTERP segment even if we have seen a
 937         --dynamic-linker option.
 938
 939 2011-06-18  Ian Lance Taylor  <iant@google.com>
 940
 941         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 942         merely because a non-PT_LOAD segment has a dynamic reloc.
 943
 944 2011-06-18  Ian Lance Taylor  <iant@google.com>
 945
 946         * layout.cc (Layout::finish_dynamic_section): Don't create
 947         DT_FLAGS entry if not needed.
 948
 949 2011-06-18  Ian Lance Taylor  <iant@google.com>
 950
 951         PR gold/12745
 952         * layout.cc (Layout::layout_eh_frame): Correct handling of
 953         writable .eh_frame section.
 954
 955 2011-06-17  Ian Lance Taylor  <iant@google.com>
 956
 957         PR gold/12893
 958         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 959         symbol is redefined with the exact same object and value.
 960
 961 2011-06-17  Ian Lance Taylor  <iant@google.com>
 962
 963         PR gold/12880
 964         * layout.h (class Layout): Add interp_segment_ field.
 965         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 966         (Layout::attach_allocated_section_to_segment): If making shared
 967         library, put .interp section in PT_INTERP segment.
 968         (Layout::finalize): Also call create_interp if -dynamic-linker
 969         option was used.
 970         (Layout::create_interp): Assert that there is no PT_INTERP
 971         segment.  If not using a SECTIONS clause, use make_output_section.
 972         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 973         * script-sections.cc
 974         (Script_sections::create_note_and_tls_segments): If making shared
 975         library, put .interp section in PT_INTERP segment.
 976
 977 2011-06-17  Ian Lance Taylor  <iant@google.com>
 978
 979         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 980         when making a shared library.
 981
 982 2011-06-17  Ian Lance Taylor  <iant@google.com>
 983
 984         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 985         parameter.  Change all callers.  Don't issue warning about PC32
 986         against locally defined symbol.
 987
 988 2011-06-16  Ian Lance Taylor  <iant@google.com>
 989
 990         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 991         occurs in same object.
 992
 993 2011-06-14  Alan Modra  <amodra@gmail.com>
 994
 995         * po/POTFILES.in: Regenerate.
 996
 997 2011-06-09  Ian Lance Taylor  <iant@google.com>
 998
 999         * script-sections.cc
1000         (Orphan_output_section::set_section_addresses): For a relocatable
1001         link set address to 0.
1002
1003 2011-06-09  Cary Coutant  <ccoutant@google.com>
1004
1005         PR gold/12804
1006         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1007         used with --compress-debug-sections.
1008         * gold/object.cc (Sized_relobj_file::do_layout): Report
1009         uncompressed size of compressed input sections.
1010
1011 2011-06-08  Cary Coutant  <ccoutant@google.com>
1012
1013         PR gold/12804
1014         * testsuite/two_file_test_2_v1.cc: Change initialization of
1015         v2 to keep it in .data.
1016
1017 2011-06-07  Cary Coutant  <ccoutant@google.com>
1018
1019         * common.cc (Symbol_table::do_allocate_commons_list): Call
1020         gold_fallback.
1021         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1022         (Errors::fallback): New function.
1023         (gold_fallback): New function.
1024         * errors.h (Errors::fallback): New function.
1025         * gold.cc (gold_exit): Change status parameter to enum; adjust
1026         all callers.
1027         (queue_initial_tasks): Call gold_fallback.
1028         * gold.h: Include cstdlib.
1029         (Exit_status): New enum type.
1030         (gold_exit): Change status parameter to enum.
1031         (gold_fallback): New function.
1032         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1033         (Layout::create_symtab_sections): Likewise.
1034         (Layout::create_shdrs): Likewise.
1035         * main.cc (main): Adjust call to gold_exit.
1036         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1037         (Output_data_got::add_got_entry_pair): Likewise.
1038         (Output_section::add_input_section): Likewise.
1039         (Output_section::add_output_section_data): Likewise.
1040         (Output_segment::set_section_list_addresses): Likewise.
1041         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1042
1043 2011-06-07  Cary Coutant  <ccoutant@google.com>
1044
1045         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1046         for incremental links.
1047         * output.cc (Output_segment::set_section_list_addresses): Remove
1048         FIXME and test for TLS or BSS.
1049
1050 2011-06-07  Cary Coutant  <ccoutant@google.com>
1051
1052         * testsuite/Makefile.am: Add incremental_copy_test,
1053         incremental_common_test_1.
1054         * testsuite/Makefile.in: Regenerate.
1055         * testsuite/common_test_1_v1.c: New source file.
1056         * testsuite/common_test_1_v2.c: New source file.
1057         * testsuite/copy_test_v1.cc: New source file.
1058
1059 2011-06-07  Cary Coutant  <ccoutant@google.com>
1060
1061         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1062         update, allocate common from bss section's free list.
1063         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1064         linker-defined symbols.
1065         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1066         Skip GOT and PLT entries that are no longer referenced.
1067         (Output_section_incremental_inputs::write_info_blocks): Mark
1068         linker-defined symbols.
1069         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1070         * output.cc (Output_section::allocate): New function.
1071         * output.h (Output_section::allocate): New function.
1072         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1073         linker-defined symbols.
1074         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1075         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1076         (Symbol::init_base_output_data): Likewise.
1077         (Symbol::init_base_output_segment): Likewise.
1078         (Symbol::init_base_constant): Likewise.
1079         (Sized_symbol::init_output_data): Likewise.
1080         (Sized_symbol::init_output_segment): Likewise.
1081         (Sized_symbol::init_constant): Likewise.
1082         (Symbol_table::do_define_in_output_data): Likewise.
1083         (Symbol_table::do_define_in_output_segment): Likewise.
1084         (Symbol_table::do_define_as_constant): Likewise.
1085         * symtab.h (Symbol::is_predefined): New function.
1086         (Symbol::init_base_output_data): Add is_predefined parameter.
1087         (Symbol::init_base_output_segment): Likewise.
1088         (Symbol::init_base_constant): Likewise.
1089         (Symbol::is_predefined_): New data member.
1090         (Sized_symbol::init_output_data): Add is_predefined parameter.
1091         (Sized_symbol::init_output_segment): Likewise.
1092         (Sized_symbol::init_constant): Likewise.
1093         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1094
1095 2011-06-07  Cary Coutant  <ccoutant@google.com>
1096
1097         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1098         instead of emit_copy_reloc.
1099         (Copy_relocs::emit_copy_reloc): Refactor.
1100         (Copy_relocs::make_copy_reloc): New function.
1101         (Copy_relocs::add_copy_reloc): Remove.
1102         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1103         section.
1104         (Copy_relocs::make_copy_reloc): New function.
1105         (Copy_relocs::add_copy_reloc): Remove.
1106         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1107         unchanged input files.
1108         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1109         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1110         Reserve BSS space for COPY relocations.
1111         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1112         (Output_section_incremental_inputs::write_info_blocks): Record
1113         whether a symbol is copied from a shared object.
1114         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1115         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1116         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1117         (Incremental_input_entry_reader::get_output_symbol_index): Add
1118         is_copy parameter.
1119         (Incremental_binary::emit_copy_relocs): New function.
1120         (Incremental_binary::do_emit_copy_relocs): New function.
1121         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1122         new data member.
1123         (Sized_incremental_binary::add_copy_reloc): New function.
1124         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1125         (Sized_incremental_binary::Copy_reloc): New struct.
1126         (Sized_incremental_binary::Copy_relocs): New typedef.
1127         (Sized_incremental_binary::copy_relocs_): New data member.
1128         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1129         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1130         * target.h (Sized_target::emit_copy_reloc): New function.
1131         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1132
1133 2011-06-02  Cary Coutant  <ccoutant@google.com>
1134
1135         PR gold/12163
1136         * gold/archive.cc (Archive::Archive): Initialize new data member.
1137         (Archive::include_all_members): Return if archive has already been
1138         included.
1139         * gold/archive.h (Archive::include_all_members_): New data member.
1140
1141 2011-06-02  Nick Clifton  <nickc@redhat.com>
1142
1143         * dynobj.h: Fix spelling mistake in comment.
1144         * output.cc: Likewise.
1145
1146 2011-05-31  Doug Kwan  <dougkwan@google.com>
1147             Asier Llano
1148
1149         PR gold/12826
1150         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1151         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1152         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1153         redundant arm_exidx_test.so.
1154         * testsuite/Makefile.in: Regenerate.
1155         (check_SCRIPTS): Add pr12826.sh
1156         (check_DATA): Add pr12826.stdout
1157         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1158         * testsuite/pr12826.sh: New file.
1159         * testsuite/pr12826_1.s: Ditto.
1160         * testsuite/pr12826_1.s: Ditto.
1161
1162 2011-05-30  Ian Lance Taylor  <iant@google.com>
1163
1164         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1165         sections.
1166
1167 2011-05-29  Ian Lance Taylor  <iant@google.com>
1168
1169         PR gold/12804
1170         * testsuite/Makefile.am: Use different file name for two_file_test
1171         temporary file for each incremental test.
1172         * testsuite/Makefile.in: Rebuild.
1173
1174 2011-05-29  Ian Lance Taylor  <iant@google.com>
1175
1176         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1177         binary input file is empty.
1178
1179 2011-05-27  Ian Lance Taylor  <iant@google.com>
1180
1181         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1182         (ver_test_9.so): Likewise.
1183         * testsuite/Makefile.in: Rebuild.
1184
1185 2011-05-26 Cary Coutant  <ccoutant@google.com>
1186
1187         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1188         * incremental.cc (Incremental_inputs::report_input_section): Fix
1189         comment, indentation.
1190         (Incremental_inputs::report_comdat_group): New function.
1191         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1192         of data for incremental input file entry.
1193         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1194         group count, COMDAT group signatures.
1195         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1196         an unchanged input file.
1197         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1198         Initialize new data member.
1199         (Incremental_object_entry::add_comdat_group): New function.
1200         (Incremental_object_entry::get_comdat_group_count): New function.
1201         (Incremental_object_entry::get_comdat_signature_key): New function.
1202         (Incremental_object_entry::groups_): New data member.
1203         (Incremental_inputs::report_comdat_group): New function.
1204         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1205         data for incremental input file entry.
1206         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1207         (Incremental_input_entry_reader::get_input_section): Adjust size of
1208         data for incremental input file entry.
1209         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1210         (Incremental_input_entry_reader::get_comdat_group_signature): New
1211         function.
1212         * object.cc (Sized_relobj::include_section_group): Report kept
1213         COMDAT groups for incremental links.
1214
1215 2011-05-24  David Meyer  <pdox@google.com>
1216
1217         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1218         with name parameter.  Add found_name parameter.
1219         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1220         * dirsearch.h (class Dirsearch): Update declaration.
1221
1222 2011-05-24  Ian Lance Taylor  <iant@google.com>
1223
1224         * archive.cc (Library_base::should_include_member): Pull in object
1225         from archive if it defines the entry symbol.
1226         * parameters.cc (Parameters::entry): New function.
1227         * parameters.h (class Parameters): Declare entry.
1228         * output.h (class Output_file_header): Remove entry_ field.
1229         * output.cc (Output_file_header::Output_file_header): Remove entry
1230         parameter.  Change all callers.
1231         (Output_file_header::entry): Use parameters->entry.
1232         * gold.cc (queue_middle_tasks): Likewise.
1233         * plugin.cc (Plugin_hook::run): Likewise.
1234
1235 2011-05-24 Cary Coutant  <ccoutant@google.com>
1236
1237         * gold.cc (queue_initial_tasks): Pass incremental base filename
1238         to Output_file::open_base_file; don't print error message.
1239         * incremental-dump.cc (main): Adjust call to
1240         Output_file::open_for_modification.
1241         * incremental-dump.cc (main): Likewise.
1242         * incremental.cc (Incremental_inputs::report_command_line):
1243         Ignore --incremental-base option when comparing command lines.
1244         Ignore parameter when given as separate argument.
1245         * options.h (class General_options): Add --incremental-base.
1246         * output.cc (Output_file::Output_file):
1247         (Output_file::open_base_file): Add base_name and writable parameters;
1248         read base file into new file; print error message here.
1249         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1250         callers.
1251         * output.h (Output_file::open_for_modification): Rename to...
1252         (Output_file::open_base_file): ...this; add base_name and
1253         writable parameters; adjust all callers.
1254         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1255         callers.
1256         * testsuite/Makefile.am (incremental_test_4): Test
1257         --incremental-base.
1258         * testsuite/Makefile.in: Regenerate.
1259
1260 2011-05-24 Cary Coutant  <ccoutant@google.com>
1261
1262         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1263         incremental_test_4.
1264         * testsuite/Makefile.in: Regenerate.
1265         * testsuite/two_file_test_1_v1.cc: New test source file.
1266         * testsuite/two_file_test_1b_v1.cc: New test source file.
1267         * testsuite/two_file_test_2_v1.cc: New test source file.
1268
1269 2011-05-24 Cary Coutant  <ccoutant@google.com>
1270
1271         * dynobj.h (Dynobj::do_dynobj): New function.
1272         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1273         flag and soname for shared objects.
1274         * incremental.cc (Incremental_inputs::report_object): Make
1275         either Incremental_object_entry or Incremental_dynobj_entry; add
1276         soname to string table.
1277         (Incremental_inputs::report_input_section): Add assertion.
1278         (Output_section_incremental_inputs::set_final_data_size): Adjust
1279         type of input file entry for shared libraries; adjust size of
1280         shared library info entry.
1281         (Output_section_incremental_inputs::write_input_files): Write
1282         as_needed flag for shared libraries.
1283         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1284         of input file entry for shared libraries; write soname.
1285         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1286         soname from incremental info.
1287         * incremental.h (enum Incremental_input_flags): Add
1288         INCREMENTAL_INPUT_AS_NEEDED.
1289         (Incremental_input_entry::Incremental_input_entry): Initialize new
1290         data member.
1291         (Incremental_input_entry::set_as_needed): New function.
1292         (Incremental_input_entry::as_needed): New function.
1293         (Incremental_input_entry::do_dynobj_entry): New function.
1294         (Incremental_input_entry::as_needed_): New data member.
1295         (Incremental_object_entry::Incremental_object_entry): Don't check
1296         for shared library.
1297         (Incremental_object_entry::do_type): Likewise.
1298         (class Incremental_dynobj_entry): New class.
1299         (Incremental_input_entry_reader::as_needed): New function.
1300         (Incremental_input_entry_reader::get_soname): New function.
1301         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1302         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1303         size of shared library info entry.
1304         * layout.cc (Layout::finish_dynamic_section): Don't test for
1305         incremental link when adding DT_NEEDED entries.
1306         * object.h (Object::Object): Initialize new data member.
1307         (Object::dynobj): New function.
1308         (Object::set_as_needed): New function.
1309         (Object::as_needed): New function.
1310         (Object::do_dynobj): New function.
1311         (Object::as_needed_): New data member.
1312
1313 2011-05-24 Cary Coutant  <ccoutant@google.com>
1314
1315         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1316         info; adjust display of GOT entries.
1317         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1318         vector of input objects; remove file_status_.
1319         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1320         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1321         got_plt reader; call target hooks to reserve GOT entries.
1322         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1323         of input file info header and GOT info entry.
1324         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1325         relocation info.
1326         (Got_plt_view_info::got_descriptor): Remove.
1327         (Got_plt_view_info::sym_index): New data member.
1328         (Got_plt_view_info::input_index): New data member.
1329         (Local_got_offset_visitor::visit): Write input file index.
1330         (Global_got_offset_visitor::visit): Write 0 for input file index.
1331         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1332         with sym_index and input_index.
1333         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1334         incremental info GOT entry; replace got_descriptor with input_index.
1335         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1336         map from input file index to object.
1337         (Sized_relobj_incr::do_layout): Replace direct data member reference
1338         with accessor function.
1339         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1340         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1341         Adjust size of input file info header.
1342         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1343         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1344         (Incremental_input_entry_reader::get_input_section): Adjust size of
1345         input file info header.
1346         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1347         of incremental info GOT entry.
1348         (Incremental_got_plt_reader::get_got_desc): Remove.
1349         (Incremental_got_plt_reader::get_got_symndx): New function.
1350         (Incremental_got_plt_reader::get_got_input_index): New function.
1351         (Sized_incremental_binary::Sized_incremental_binary): Remove
1352         file_status_; add input_objects_.
1353         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1354         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1355         (Sized_incremental_binary::file_is_unchanged): Remove.
1356         (Sized_incremental_binary::set_input_object): New function.
1357         (Sized_incremental_binary::input_object): New function.
1358         (Sized_incremental_binary::file_status_): Remove.
1359         (Sized_incremental_binary::input_objects_): New data member.
1360         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1361         references.
1362         (Sized_relobj_incr::invalid_address): Move to base class.
1363         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1364         class.
1365         (Sized_relobj_incr::do_output_section_offset): Likewise.
1366         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1367         (Sized_relobj_incr::section_offsets_): Likewise.
1368         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1369         function.
1370         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1371         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1372         with accessor function.
1373         (Sized_relobj_file::do_layout): Likewise.
1374         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1375         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1376         (Sized_relobj_file::compute_final_local_value): Replace refs to
1377         section_offsets_ with accessor function.
1378         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1379         * object.h (Relobj::Relobj): Initialize new data members.
1380         (Relobj::add_dyn_reloc): New function.
1381         (Relobj::first_dyn_reloc): New function.
1382         (Relobj::dyn_reloc_count): New function.
1383         (Relobj::first_dyn_reloc_): New data member.
1384         (Relobj::dyn_reloc_count_): New data member.
1385         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1386         references.
1387         (Sized_relobj::Address): New typedef.
1388         (Sized_relobj::invalid_address): Move here from child class.
1389         (Sized_relobj::Sized_relobj): Initialize new data members.
1390         (Sized_relobj::sized_relobj): New function.
1391         (Sized_relobj::is_output_section_offset_invalid): Move here from
1392         child class.
1393         (Sized_relobj::get_output_section_offset): Likewise.
1394         (Sized_relobj::local_has_got_offset): Likewise.
1395         (Sized_relobj::local_got_offset): Likewise.
1396         (Sized_relobj::set_local_got_offset): Likewise.
1397         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1398         (Sized_relobj::clear_got_offsets): New function.
1399         (Sized_relobj::section_offsets): Move here from child class.
1400         (Sized_relobj::do_output_section_offset): Likewise.
1401         (Sized_relobj::do_set_section_offset): Likewise.
1402         (Sized_relobj::Local_got_offsets): Likewise.
1403         (Sized_relobj::local_got_offsets_): Likewise.
1404         (Sized_relobj::section_offsets_): Likewise.
1405         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1406         references.
1407         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1408         class.
1409         (Sized_relobj_file::sized_relobj): New function
1410         (Sized_relobj_file::local_has_got_offset): Move to base class.
1411         (Sized_relobj_file::local_got_offset): Likewise.
1412         (Sized_relobj_file::set_local_got_offset): Likewise.
1413         (Sized_relobj_file::get_output_section_offset): Likewise.
1414         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1415         (Sized_relobj_file::do_output_section_offset): Likewise.
1416         (Sized_relobj_file::do_set_section_offset): Likewise.
1417         (Sized_relobj_file::Local_got_offsets): Likewise.
1418         (Sized_relobj_file::local_got_offsets_): Likewise.
1419         (Sized_relobj_file::section_offsets_): Likewise.
1420         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1421         (all constructors).
1422         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1423         (Output_reloc::get_symbol_index): Likewise.
1424         (Output_reloc::local_section_offset): Likewise.
1425         (Output_reloc::get_address): Likewise.
1426         (Output_reloc::symbol_value): Likewise.
1427         (Output_data_got::reserve_slot): Move to class definition.
1428         (Output_data_got::reserve_local): New function.
1429         (Output_data_got::reserve_slot_for_global): Remove.
1430         (Output_data_got::reserve_global): New function.
1431         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1432         (all constructors, two instantiations).
1433         (Output_reloc::get_relobj): New function (two instantiations).
1434         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1435         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1436         (Output_data_reloc::add_global): Adjust type of relobj.
1437         (Output_data_reloc::add_global_relative): Likewise.
1438         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1439         (Output_data_reloc::add_local): Likewise.
1440         (Output_data_reloc::add_local_relative): Likewise.
1441         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1442         (Output_data_reloc::add_local_section): Likewise.
1443         (Output_data_reloc::add_output_section): Likewise.
1444         (Output_data_reloc::add_absolute): Likewise.
1445         (Output_data_reloc::add_target_specific): Likewise.
1446         (Output_data_got::reserve_slot): Move definition here.
1447         (Output_data_got::reserve_local): New function.
1448         (Output_data_got::reserve_global): New function.
1449         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1450         section_offsets_ with accessor function.
1451         (Sized_relobj_file::write_sections): Likewise.
1452         (Sized_relobj_file::do_relocate_sections): Likewise.
1453         * target.h (Sized_target::reserve_local_got_entry): New function.
1454         (Sized_target::reserve_global_got_entry): New function.
1455         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1456         (Target_x86_64::reserve_global_got_entry): New function.
1457         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1458
1459 2011-05-23 Cary Coutant  <ccoutant@google.com>
1460
1461         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1462         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1463         bit when checking got_type.
1464         * incremental.cc (Sized_incremental_binary::setup_readers):
1465         Store symbol table and string table locations; initialize bit vector
1466         of file status flags.
1467         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1468         unchanged files.
1469         (Sized_incremental_binary::do_process_got_plt): New function.
1470         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1471         (Output_section_incremental_inputs::set_final_data_size): Record
1472         file index for each input file.
1473         (Output_section_incremental_inputs::write_got_plt): Store file index
1474         instead of input entry offset for each GOT entry.
1475         * incremental.h
1476         (Incremental_input_entry::Incremental_input_entry): Initialize new
1477         data member.
1478         (Incremental_input_entry::set_offset): Store file index.
1479         (Incremental_input_entry::get_file_index): New function.
1480         (Incremental_input_entry::file_index_): New data member.
1481         (Incremental_binary::process_got_plt): New function.
1482         (Incremental_binary::do_process_got_plt): New function.
1483         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1484         data members.
1485         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1486         (Sized_incremental_binary::set_file_is_unchanged): New function.
1487         (Sized_incremental_binary::file_is_unchanged): New function.
1488         (Sized_incremental_binary::do_process_got_plt): New function.
1489         (Sized_incremental_binary::file_status_): New data member.
1490         (Sized_incremental_binary::main_symtab_loc_): New data member.
1491         (Sized_incremental_binary::main_strtab_loc_): New data member.
1492         * output.cc (Output_data_got::Got_entry::write): Add case
1493         RESERVED_CODE.
1494         (Output_data_got::add_global): Call add_got_entry.
1495         (Output_data_got::add_global_plt): Likewise.
1496         (Output_data_got::add_global_with_rel): Likewise.
1497         (Output_data_got::add_global_with_rela): Likewise.
1498         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1499         (Output_data_got::add_global_pair_with_rela): Likewise.
1500         (Output_data_got::add_local): Call add_got_entry.
1501         (Output_data_got::add_local_plt): Likewise.
1502         (Output_data_got::add_local_with_rel): Likewise.
1503         (Output_data_got::add_local_with_rela): Likewise.
1504         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1505         (Output_data_got::add_local_pair_with_rela): Likewise.
1506         (Output_data_got::reserve_slot): New function.
1507         (Output_data_got::reserve_slot_for_global): New function.
1508         (Output_data_got::add_got_entry): New function.
1509         (Output_data_got::add_got_entry_pair): New function.
1510         (Output_section::add_output_section_data): Edit FIXME.
1511         * output.h
1512         (Output_section_data_build::Output_section_data_build): New
1513         constructor with size parameter.
1514         (Output_data_space::Output_data_space): Likewise.
1515         (Output_data_got::Output_data_got): Initialize new data member; new
1516         constructor with size parameter.
1517         (Output_data_got::add_constant): Call add_got_entry.
1518         (Output_data_got::reserve_slot): New function.
1519         (Output_data_got::reserve_slot_for_global): New function.
1520         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1521         (Output_data_got::add_got_entry): New function.
1522         (Output_data_got::add_got_entry_pair): New function.
1523         (Output_data_got::free_list_): New data member.
1524         * target.h (Sized_target::init_got_plt_for_update): New function.
1525         (Sized_target::register_global_plt_entry): New function.
1526         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1527         Initialize new data member; call init; add constructor with PLT count.
1528         (Output_data_plt_x86_64::init): New function.
1529         (Output_data_plt_x86_64::add_relocation): New function.
1530         (Output_data_plt_x86_64::reserve_slot): New function.
1531         (Output_data_plt_x86_64::free_list_): New data member.
1532         (Target_x86_64::init_got_plt_for_update): New function.
1533         (Target_x86_64::register_global_plt_entry): New function.
1534         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1535         incremental updates.
1536         (Output_data_plt_x86_64::add_relocation): New function.
1537         * testsuite/object_unittest.cc (Object_test): Set default options.
1538
1539 2011-05-16  Ian Lance Taylor  <iant@google.com>
1540
1541         * options.h (class General_options): Make -i a synonym for -r.
1542
1543 2011-05-16  Ian Lance Taylor  <iant@google.com>
1544
1545         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1546
1547 2011-05-10 Cary Coutant  <ccoutant@google.com>
1548
1549         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1550         strip_all (-s).
1551
1552 2011-05-06  Ian Lance Taylor  <iant@google.com>
1553
1554         * layout.cc (Layout::layout): If the output section flags change,
1555         update the ordering.
1556
1557 2011-04-25 Cary Coutant  <ccoutant@google.com>
1558
1559         * incremental-dump.cc (dump_incremental_inputs): Print local
1560         symbol info for each input file.
1561         * incremental.cc
1562         (Output_section_incremental_inputs::set_final_data_size): Add local
1563         symbol info to input file entries in incremental info.
1564         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1565         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1566         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1567         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1568         implementation.
1569         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1570         (Sized_incr_relobj::do_relocate): Write the local symbols.
1571         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1572         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1573         Adjust size of input file header.
1574         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1575         (Incremental_inputs_reader::get_local_symbol_count): New function.
1576         (Incremental_inputs_reader::get_input_section): Adjust size of input
1577         file header.
1578         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1579         (Sized_incr_relobj::This): New typedef.
1580         (Sized_incr_relobj::sym_size): New const data member.
1581         (Sized_incr_relobj::Local_symbol): New struct.
1582         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1583         (Sized_incr_relobj::do_local_symbol_offset): New function.
1584         (Sized_incr_relobj::local_symbol_count_): New data member.
1585         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1586         (Sized_incr_relobj::local_symbol_index_): New data member.
1587         (Sized_incr_relobj::local_symbol_offset_): New data member.
1588         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1589         (Sized_incr_relobj::local_symbols_): New data member.
1590         * object.h (Relobj::output_local_symbol_count): New function.
1591         (Relobj::local_symbol_offset): New function.
1592         (Relobj::do_output_local_symbol_count): New function.
1593         (Relobj::do_local_symbol_offset): New function.
1594         (Sized_relobj::do_output_local_symbol_count): New function.
1595         (Sized_relobj::do_local_symbol_offset): New function.
1596
1597 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1598
1599         * descriptors.cc (set_close_on_exec): New function.
1600         (Descriptors::open): Use set_close_on_exec.
1601         * output.cc (S_ISLNK): Define if not defined.
1602
1603 2011-04-22 Cary Coutant  <ccoutant@google.com>
1604
1605         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1606         global symbol map.
1607         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1608         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1609         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1610         relocations.
1611         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1612         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1613         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1614         * incremental.h
1615         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1616         function.
1617         (Incremental_binary::apply_incremental_relocs): New function.
1618         (Incremental_binary::do_apply_incremental_relocs): New function.
1619         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1620         data member.
1621         (Sized_incremental_binary::add_global_symbol): New function.
1622         (Sized_incremental_binary::global_symbol): New function.
1623         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1624         (Sized_incremental_binary::symbol_map_): New data member.
1625         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1626         * target.h (Sized_target::apply_relocation): New function.
1627         * target-reloc.h (apply_relocation): New function.
1628         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1629
1630 2011-04-22  Doug Kwan  <dougkwan@google.com>
1631
1632         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1633         flag of a SHT_ARM_EXIDX section.
1634         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1635         * testsuite/Makefile.in: Regenerate.
1636         * testsuite/arm_exidx_test.s: New file.
1637         * testsuite/arm_exidx_test.sh: Same.
1638
1639 2011-04-20 Cary Coutant  <ccoutant@google.com>
1640
1641         PR gold/12689
1642         * archive.h (Incremental_archive_entry::Archive_member):
1643         Initialize arg_serial_ (second constructor).
1644
1645 2011-04-17  Ian Lance Taylor  <iant@google.com>
1646
1647         * object.cc (Relocate_info::location): Simplify location string.
1648         * errors.cc (Errors::error_at_location): Don't print program
1649         name.
1650         (Errors::warning_at_location): Likewise.
1651         (Errors::undefined_symbol): Likewise.
1652         * testsuite/debug_msg.sh: Update accordingly.
1653
1654 2011-04-14 Cary Coutant  <ccoutant@google.com>
1655
1656         * gold/layout.cc (Layout::symtab_section_offset): New function.
1657         * gold/layout.h (Layout::symtab_section_offset): New function.
1658         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1659
1660 2011-04-12  Ian Lance Taylor  <iant@google.com>
1661
1662         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1663         with MREMAP_MAYMOVE.
1664         * output.h (class Output_file): Add map_is_allocated_ field.
1665         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1666         not available, provide stubs.  If mremap is not available, #define
1667         it to gold_mremap.
1668         (MREMAP_MAYMOVE): Define if not defined.
1669         (Output_file::Output_file): Initialize map_is_allocated_.
1670         (Output_file::resize): Check map_is_allocated_.
1671         (Output_file::map_anonymous): If mmap fails, use malloc.
1672         (Output_file::unmap): Don't do anything for an anonymous map.
1673         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1674         is not available, provide stubs.
1675         (File_read::View::~View): Use free rather than delete[].
1676         (File_read::make_view): Use malloc rather than new[].  If mmap
1677         fails, use malloc.
1678         (File_read::find_or_make_view): Use malloc rather than new[].
1679         * gold.h: Remove HAVE_REMAP code.
1680         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1681         exists.  Rename mremap to gold_mremap.  If mmap is not available
1682         don't do anything.
1683         * configure, config.in: Rebuild.
1684
1685 2011-04-11  Ian Lance Taylor  <iant@google.com>
1686
1687         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1688         initialize local variable v.
1689
1690 2011-04-11  Cary Coutant  <ccoutant@google.com>
1691
1692         * archive.cc (Archive::include_member): Adjust call to
1693         report_object.
1694         (Add_archive_symbols::run): Track argument serial numbers.
1695         (Lib_group::include_member): Likewise.
1696         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1697         * archive.h (Incremental_archive_entry::Archive_member):
1698         Initialize arg_serial_.
1699         (Archive_member::arg_serial_): New data member.
1700         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1701         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1702         incremental link.
1703         (Sized_dynobj::do_for_all_local_got_entries): New function.
1704         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1705         function.
1706         * fileread.cc (get_mtime): New function.
1707         * fileread.h (get_mtime): New function.
1708         * gold.cc (queue_initial_tasks): Check for incremental update.
1709         (process_incremental_input): New function.
1710         (queue_middle_tasks): Don't force valid target for incremental
1711         update.
1712         * incremental-dump.cc (find_input_containing_global): Adjust
1713         size of symbol info entry.
1714         (dump_incremental_inputs): Dump argument serial number and
1715         in_system_directory flag; bias shndx by 1; print symbol names
1716         when dumping per-file symbol lists; use new symbol info readers.
1717         * incremental.cc
1718         (Output_section_incremental_inputs:update_data_size): New function.
1719         (Sized_incremental_binary::setup_readers): Setup input readers
1720         for each input file; build maps for files added from libraries
1721         and scripts.
1722         (Sized_incremental_binary::check_input_args): New function.
1723         (Sized_incremental_binary::do_check_inputs): Build map of argument
1724         serial numbers to input arguments.
1725         (Sized_incremental_binary::do_file_has_changed): Rename
1726         do_file_is_unchanged to this; compare file modification times.
1727         (Sized_incremental_binary::do_init_layout): New function.
1728         (Sized_incremental_binary::do_reserve_layout): New function.
1729         (Sized_incremental_binary::do_get_input_reader): Remove.
1730         (Sized_incremental_binary::get_symtab_view): New function.
1731         (Incremental_checker::can_incrementally_link_output_file): Remove.
1732         (Incremental_inputs::report_command_line): Exclude --debug options.
1733         (Incremental_inputs::report_archive_begin): Add parameter; track
1734         argument serial numbers; don't put input file entry for archive
1735         before archive members.
1736         (Incremental_inputs::report_archive_end): Put input file entry
1737         for archive after archive members.
1738         (Incremental_inputs::report_object): Add parameter; track argument
1739         serial numbers and in_system_directory flag.
1740         (Incremental_inputs::report_script): Add parameter; track argument
1741         serial numbers.
1742         (Output_section_incremental_inputs::set_final_data_size): Adjust
1743         size of symbol info entry; check for forwarding symbols.
1744         (Output_section_incremental_inputs::write_input_files): Write
1745         in_system_directory flag and argument serial number.
1746         (Output_section_incremental_inputs::write_info_blocks): Map section
1747         indices between incremental info and original input file; store
1748         input section index for each symbol.
1749         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1750         change operator() to visit().
1751         (class Global_got_offset_visitor): Likewise.
1752         (class Global_symbol_visitor_got_plt):
1753         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1754         classes.
1755         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1756         (Sized_incr_relobj::do_read_symbols): New function.
1757         (Sized_incr_relobj::do_layout): New function.
1758         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1759         (Sized_incr_relobj::do_add_symbols): New function.
1760         (Sized_incr_relobj::do_should_include_member): New function.
1761         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1762         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1763         (Sized_incr_relobj::do_section_size): New function.
1764         (Sized_incr_relobj::do_section_name): New function.
1765         (Sized_incr_relobj::do_section_contents): New function.
1766         (Sized_incr_relobj::do_section_flags): New function.
1767         (Sized_incr_relobj::do_section_entsize): New function.
1768         (Sized_incr_relobj::do_section_address): New function.
1769         (Sized_incr_relobj::do_section_type): New function.
1770         (Sized_incr_relobj::do_section_link): New function.
1771         (Sized_incr_relobj::do_section_info): New function.
1772         (Sized_incr_relobj::do_section_addralign): New function.
1773         (Sized_incr_relobj::do_initialize_xindex): New function.
1774         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1775         (Sized_incr_relobj::do_read_relocs): New function.
1776         (Sized_incr_relobj::do_gc_process_relocs): New function.
1777         (Sized_incr_relobj::do_scan_relocs): New function.
1778         (Sized_incr_relobj::do_count_local_symbols): New function.
1779         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1780         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1781         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1782         (Sized_incr_relobj::do_relocate): New function.
1783         (Sized_incr_relobj::do_set_section_offset): New function.
1784         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1785         (Sized_incr_dynobj::do_read_symbols): New function.
1786         (Sized_incr_dynobj::do_layout): New function.
1787         (Sized_incr_dynobj::do_add_symbols): New function.
1788         (Sized_incr_dynobj::do_should_include_member): New function.
1789         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1790         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1791         (Sized_incr_dynobj::do_section_size): New function.
1792         (Sized_incr_dynobj::do_section_name): New function.
1793         (Sized_incr_dynobj::do_section_contents): New function.
1794         (Sized_incr_dynobj::do_section_flags): New function.
1795         (Sized_incr_dynobj::do_section_entsize): New function.
1796         (Sized_incr_dynobj::do_section_address): New function.
1797         (Sized_incr_dynobj::do_section_type): New function.
1798         (Sized_incr_dynobj::do_section_link): New function.
1799         (Sized_incr_dynobj::do_section_info): New function.
1800         (Sized_incr_dynobj::do_section_addralign): New function.
1801         (Sized_incr_dynobj::do_initialize_xindex): New function.
1802         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1803         (make_sized_incremental_object): New function.
1804         (Incremental_library::copy_unused_symbols): New function.
1805         (Incremental_library::do_for_all_unused_symbols): New function.
1806         * incremental.h (enum Incremental_input_flags): New type.
1807         (class Incremental_checker): Remove.
1808         (Incremental_input_entry::Incremental_input_entry): Add argument
1809         serial number.
1810         (Incremental_input_entry::arg_serial): New function.
1811         (Incremental_input_entry::set_is_in_system_directory): New function.
1812         (Incremental_input_entry::is_in_system_directory): New function.
1813         (Incremental_input_entry::arg_serial_): New data member.
1814         (Incremental_input_entry::is_in_system_directory_): New data member.
1815         (class Script_info): Move here from script.h.
1816         (Script_info::Script_info): Add filename parameter.
1817         (Script_info::filename): New function.
1818         (Script_info::filename_): New data member.
1819         (Incremental_script_entry::Incremental_script_entry): Add argument
1820         serial number.
1821         (Incremental_object_entry::Incremental_object_entry): Likewise.
1822         (Incremental_object_entry::add_input_section): Build list of input
1823         sections with map to original shndx.
1824         (Incremental_object_entry::get_input_section_index): New function.
1825         (Incremental_object_entry::shndx_): New data member.
1826         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1827         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1828         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1829         serial number.
1830         (Incremental_inputs::report_archive_begin): Likewise.
1831         (Incremental_inputs::report_object): Likewise.
1832         (Incremental_inputs::report_script): Likewise.
1833         (class Incremental_global_symbol_reader): New class.
1834         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1835         and store flags and input file type.
1836         (Incremental_input_entry_reader::arg_serial): New function.
1837         (Incremental_input_entry_reader::type): Extract type from flags.
1838         (Incremental_input_entry_reader::is_in_system_directory): New function.
1839         (Incremental_input_entry_reader::get_input_section_count): Call
1840         accessor function for type.
1841         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1842         function for type; adjust size of global symbol entry.
1843         (Incremental_input_entry_reader::get_global_symbol_count): Call
1844         accessor function for type.
1845         (Incremental_input_entry_reader::get_object_count): Likewise.
1846         (Incremental_input_entry_reader::get_object_offset): Likewise.
1847         (Incremental_input_entry_reader::get_member_count): Likewise.
1848         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1849         (Incremental_input_entry_reader::get_member_offset): Likewise.
1850         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1851         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1852         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1853         (Incremental_input_entry_reader::get_global_symbol_reader): New
1854         function.
1855         (Incremental_input_entry_reader::get_output_symbol_index): New
1856         function.
1857         (Incremental_input_entry_reader::type_): Remove.
1858         (Incremental_input_entry_reader::flags_): New data member.
1859         (Incremental_inputs_reader::input_file_offset): New function.
1860         (Incremental_inputs_reader::input_file_index): New function.
1861         (Incremental_inputs_reader::input_file): Call input_file_offset.
1862         (Incremental_inputs_reader::input_file_at_offset): New function.
1863         (Incremental_relocs_reader::get_r_type): Reformat.
1864         (Incremental_relocs_reader::get_r_shndx): Reformat.
1865         (Incremental_relocs_reader::get_r_offset): Reformat.
1866         (Incremental_relocs_reader::data): New function.
1867         (Incremental_binary::Incremental_binary): Initialize new data members.
1868         (Incremental_binary::check_inputs): Add cmdline parameter.
1869         (Incremental_binary::file_is_unchanged): Remove.
1870         (Input_reader::arg_serial): New function.
1871         (Input_reader::get_unused_symbol_count): New function.
1872         (Input_reader::get_unused_symbol): New function.
1873         (Input_reader::do_arg_serial): New function.
1874         (Input_reader::do_get_unused_symbol_count): New function.
1875         (Input_reader::do_get_unused_symbol): New function.
1876         (Incremental_binary::input_file_count): New function.
1877         (Incremental_binary::get_input_reader): Change signature to use
1878         index instead of filename.
1879         (Incremental_binary::file_has_changed): New function.
1880         (Incremental_binary::get_input_argument): New function.
1881         (Incremental_binary::get_library): New function.
1882         (Incremental_binary::get_script_info): New function.
1883         (Incremental_binary::init_layout): New function.
1884         (Incremental_binary::reserve_layout): New function.
1885         (Incremental_binary::output_file): New function.
1886         (Incremental_binary::do_check_inputs): New function.
1887         (Incremental_binary::do_file_is_unchanged): Remove.
1888         (Incremental_binary::do_file_has_changed): New function.
1889         (Incremental_binary::do_init_layout): New function.
1890         (Incremental_binary::do_reserve_layout): New function.
1891         (Incremental_binary::do_input_file_count): New function.
1892         (Incremental_binary::do_get_input_reader): Change signature.
1893         (Incremental_binary::input_args_map_): New data member.
1894         (Incremental_binary::library_map_): New data member.
1895         (Incremental_binary::script_map_): New data member.
1896         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1897         new data members.
1898         (Sized_incremental_binary::output_section): New function.
1899         (Sized_incremental_binary::inputs_reader): Add const.
1900         (Sized_incremental_binary::symtab_reader): Add const.
1901         (Sized_incremental_binary::relocs_reader): Add const.
1902         (Sized_incremental_binary::got_plt_reader): Add const.
1903         (Sized_incremental_binary::get_symtab_view): New function.
1904         (Sized_incremental_binary::Inputs_reader): New typedef.
1905         (Sized_incremental_binary::Input_entry_reader): New typedef.
1906         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1907         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1908         (Sized_incremental_binary::do_file_has_changed): New function.
1909         (Sized_incremental_binary::do_init_layout): New function.
1910         (Sized_incremental_binary::do_reserve_layout): New function.
1911         (Sized_input_reader::Inputs_reader): Remove.
1912         (Sized_input_reader::Input_entry_reader): Remove.
1913         (Sized_input_reader::do_arg_serial): New function.
1914         (Sized_input_reader::do_get_unused_symbol_count): New function.
1915         (Sized_input_reader::do_get_unused_symbol): New function.
1916         (Sized_incremental_binary::do_input_file_count): New function.
1917         (Sized_incremental_binary::do_get_input_reader): Change signature;
1918         use index instead of filename.
1919         (Sized_incremental_binary::section_map_): New data member.
1920         (Sized_incremental_binary::input_entry_readers_): New data member.
1921         (class Sized_incr_relobj): New class.
1922         (class Sized_incr_dynobj): New class.
1923         (make_sized_incremental_object): New function.
1924         (class Incremental_library): New class.
1925         * layout.cc (Free_list::num_lists): New static data member.
1926         (Free_list::num_nodes): New static data member.
1927         (Free_list::num_removes): New static data member.
1928         (Free_list::num_remove_visits): New static data member.
1929         (Free_list::num_allocates): New static data member.
1930         (Free_list::num_allocate_visits): New static data member.
1931         (Free_list::init): New function.
1932         (Free_list::remove): New function.
1933         (Free_list::allocate): New function.
1934         (Free_list::dump): New function.
1935         (Free_list::print_stats): New function.
1936         (Layout_task_runner::run): Resize output file for incremental updates.
1937         (Layout::Layout): Initialize new data members.
1938         (Layout::set_incremental_base): New function.
1939         (Layout::init_fixed_output_section): New function.
1940         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1941         incremental updates.
1942         (Layout::create_gold_note): Do not create gold note section for
1943         incremental updates.
1944         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1945         for incremental updates.
1946         (Layout::set_section_offsets): For incremental updates, allocate space
1947         from free list.
1948         (Layout::create_symtab_sections): Layout with offsets relative to
1949         start of section; for incremental updates, allocate space from free
1950         list.
1951         (Layout::create_shdrs): For incremental updates, allocate space from
1952         free list.
1953         (Layout::finish_dynamic_section): For incremental updates, do not
1954         check --as-needed (fixed in subsequent patch).
1955         * layout.h (class Free_list): New class.
1956         (Layout::set_incremental_base): New function.
1957         (Layout::incremental_base): New function.
1958         (Layout::init_fixed_output_section): New function.
1959         (Layout::allocate): New function.
1960         (Layout::incremental_base_): New data member.
1961         (Layout::free_list_): New data member.
1962         * main.cc (main): Print Free_list statistics.
1963         * object.cc (Relobj::finalize_incremental_relocs): Add
1964         clear_counts parameter; clear counts only when clear_counts is set.
1965         (Sized_relobj::Sized_relobj): Initialize new base class.
1966         (Sized_relobj::do_layout): Don't report special sections.
1967         (Sized_relobj::do_for_all_local_got_entries): New function.
1968         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1969         symtab_off to all symbol table offsets.
1970         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1971         * object.h (class Got_offset_list): Move to top of file.
1972         (Object::Object): Allow case where input_file == NULL.
1973         (Object::~Object): Likewise.
1974         (Object::input_file): Assert that input_file != NULL.
1975         (Object::lock): Allow case where input_file == NULL.
1976         (Object::unlock): Likewise.
1977         (Object::is_locked): Likewise.
1978         (Object::token): Likewise.
1979         (Object::release): Likewise.
1980         (Object::is_incremental): New function.
1981         (Object::get_mtime): New function.
1982         (Object::for_all_local_got_entries): New function.
1983         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1984         (Object::set_is_in_system_directory): New function.
1985         (Object::is_in_system_directory): New function.
1986         (Object::do_is_incremental): New function.
1987         (Object::do_get_mtime): New function.
1988         (Object::do_for_all_local_got_entries): New function.
1989         (Object::is_in_system_directory_): New data member.
1990         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1991         (class Sized_relobj_base): New class.
1992         (class Sized_relobj): Derive from Sized_relobj_base.
1993         (class Sized_relobj::Symbols): Redeclare from base class.
1994         (class Sized_relobj::local_got_offset_list): Remove.
1995         (class Sized_relobj::Output_sections): Redeclare from base class.
1996         (class Sized_relobj::do_for_all_local_got_entries): New function.
1997         (class Sized_relobj::write_local_symbols): Add offset parameter.
1998         (class Sized_relobj::local_symbol_offset_): Update comment.
1999         (class Sized_relobj::local_dynsym_offset_): Update comment.
2000         * options.cc (Input_arguments::add_file): Remove const.
2001         * options.h (Input_file_argument::Input_file_argument):
2002         Initialize arg_serial_ (all constructors).
2003         (Input_file_argument::set_arg_serial): New function.
2004         (Input_file_argument::arg_serial): New function.
2005         (Input_file_argument::arg_serial_): New data member.
2006         (Input_arguments::Input_arguments): Initialize file_count_.
2007         (Input_arguments::add_file): Remove const.
2008         (Input_arguments::number_of_input_files): New function.
2009         (Input_arguments::file_count_): New data member.
2010         (Command_line::number_of_input_files): Call
2011         Input_arguments::number_of_input_files.
2012         * output.cc (Output_segment_headers::Output_segment_headers):
2013         Set current size.
2014         (Output_section::Input_section::current_data_size): New function.
2015         (Output_section::Output_section): Initialize new data members.
2016         (Output_section::add_input_section): Don't do merge sections for
2017         an incremental link; allocate space from free list for an
2018         incremental update.
2019         (Output_section::add_output_section_data): Allocate space from
2020         free list for an incremental update.
2021         (Output_section::update_data_size): New function.
2022         (Output_section::set_fixed_layout): New function.
2023         (Output_section::reserve): New function.
2024         (Output_segment::set_section_addresses): Remove const.
2025         (Output_segment::set_section_list_addresses): Remove const; allocate
2026         space from free list for an incremental update.
2027         (Output_segment::set_offset): Adjust size of RELRO segment for an
2028         incremental update.
2029         * output.h (Output_data::current_data_size): Move here from
2030         child classes.
2031         (Output_data::pre_finalize_data_size): New function.
2032         (Output_data::update_data_size): New function.
2033         (Output_section_headers::update_data_size): new function.
2034         (Output_section_data_build::current_data_size): Move to Output_data.
2035         (Output_data_strtab::update_data_size): New function.
2036         (Output_section::current_data_size): Move to Output_data.
2037         (Output_section::set_fixed_layout): New function.
2038         (Output_section::has_fixed_layout): New function.
2039         (Output_section::reserve): New function.
2040         (Output_section::update_data_size): New function.
2041         (Output_section::has_fixed_layout_): New data member.
2042         (Output_section::free_list_): New data member.
2043         (Output_segment::set_section_addresses): Remove const.
2044         (Output_segment::set_section_list_addresses): Remove const.
2045         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2046         New function.
2047         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2048         New function.
2049         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2050         parameter when calling Add_symbols constructor; store argument
2051         serial number for members of a lib group.
2052         (Add_symbols::locks): Allow case where token == NULL.
2053         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2054         (Read_member::~Read_member): New function.
2055         (Read_member::is_runnable): New function.
2056         (Read_member::locks): New function.
2057         (Read_member::run): New function.
2058         (Check_script::~Check_script): New function.
2059         (Check_script::is_runnable): New function.
2060         (Check_script::locks): New function.
2061         (Check_script::run): New function.
2062         (Check_library::~Check_library): New function.
2063         (Check_library::is_runnable): New function.
2064         (Check_library::locks): New function.
2065         (Check_library::run): New function.
2066         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2067         (Add_symbols::library_): New data member.
2068         (class Read_member): New class.
2069         (class Check_script): New class.
2070         (class Check_library): New class.
2071         * reloc.cc (Read_relocs::is_runnable): Allow case where
2072         token == NULL.
2073         (Read_relocs::locks): Likewise.
2074         (Scan_relocs::locks): Likewise.
2075         (Relocate_task::locks): Likewise.
2076         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2077         to clear counters.
2078         (Sized_relobj::incremental_relocs_scan): Fix comment.
2079         (Sized_relobj::do_relocate): Pass output file offset to
2080         write_local_symbols.
2081         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2082         from class declaration.
2083         * script.cc (read_input_script): Allocate Script_info; pass
2084         argument serial number to report_script.
2085         * script.h (class Script_info): Move to incremental.h.
2086         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2087         * symtab.h (Symbol_table::add_from_incrobj): New function.
2088         (Symbol_table::set_file_offset): New function.
2089
2090 2011-04-05  Cary Coutant  <ccoutant@google.com>
2091
2092         * incremental-dump.cc (dump_incremental_inputs): Change signature
2093         to take a Sized_incremental_binary; change caller.  Use readers
2094         in Sized_incremental_binary.
2095         * incremental.cc
2096         (Sized_incremental_binary::find_incremental_inputs_sections):
2097         Rename do_find_incremental_inputs_sections to this.
2098         (Sized_incremental_binary::setup_readers): New function.
2099         (Sized_incremental_binary::do_check_inputs): Check
2100         has_incremental_info_ flag; move setup code to setup_readers;
2101         use input readers.
2102         (Sized_incremental_binary::do_file_is_unchanged): New function.
2103         (Sized_incremental_binary::do_get_input_reader): New function.
2104         * incremental.h (class Incremental_binary): Move to end of file.
2105         (Incremental_binary::file_is_unchanged): New function.
2106         (Incremental_binary::do_file_is_unchanged): New function.
2107         (Incremental_binary::Input_reader): New class.
2108         (Incremental_binary::get_input_reader): New function.
2109         (class Sized_incremental_binary): Move to end of file.
2110         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2111         input section reader classes.
2112         (Sized_incremental_binary::has_incremental_info): New function.
2113         (Sized_incremental_binary::inputs_reader): New function.
2114         (Sized_incremental_binary::symtab_reader): New function.
2115         (Sized_incremental_binary::relocs_reader): New function.
2116         (Sized_incremental_binary::got_plt_reader): New function.
2117         (Sized_incremental_binary::do_file_is_unchanged): New function.
2118         (Sized_incremental_binary::Sized_input_reader): New class.
2119         (Sized_incremental_binary::get_input_reader): New function.
2120         (Sized_incremental_binary::find_incremental_inputs_sections):
2121         Rename do_find_incremental_inputs_sections to this.
2122         (Sized_incremental_binary::setup_readers): New function.
2123         (Sized_incremental_binary::has_incremental_info_): New data member.
2124         (Sized_incremental_binary::inputs_reader_): New data member.
2125         (Sized_incremental_binary::symtab_reader_): New data member.
2126         (Sized_incremental_binary::relocs_reader_): New data member.
2127         (Sized_incremental_binary::got_plt_reader_): New data member.
2128         (Sized_incremental_binary::current_input_file_): New data member.
2129
2130 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2131
2132         PR gold/12640
2133         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2134         violation.
2135
2136 2011-03-30  Cary Coutant  <ccoutant@google.com>
2137
2138         * archive.cc (Archive::include_member): Adjust call to report_object.
2139         (Add_archive_symbols::run): Add script_info to call to
2140         report_archive_begin.
2141         (Lib_group::include_member): Adjust call to report_object.
2142         (Add_lib_group_symbols::run): Adjust call to report_object.
2143         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2144         blocks.  Add object count for script input files.
2145         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2146         script_info parameter; change all callers.
2147         (Incremental_inputs::report_object): Add script_info parameter;
2148         change all callers.
2149         (Incremental_inputs::report_script): Store backpointer to
2150         incremental info entry.
2151         (Output_section_incremental_inputs::set_final_data_size): Record
2152         additional information for scripts.
2153         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2154         * incremental.h (Incremental_script_entry::add_object): New function.
2155         (Incremental_script_entry::get_object_count): New function.
2156         (Incremental_script_entry::get_object): New function.
2157         (Incremental_script_entry::objects_): New data member; adjust
2158         constructor.
2159         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2160         (Incremental_inputs::report_object): Add script_info parameter.
2161         (Incremental_inputs_reader::get_object_count): New function.
2162         (Incremental_inputs_reader::get_object_offset): New function.
2163         * options.cc (Input_arguments::add_file): Return reference to
2164         new input argument.
2165         * options.h (Input_argument::set_script_info): New function.
2166         (Input_argument::script_info): New function.
2167         (Input_argument::script_info_): New data member; adjust all
2168         constructors.
2169         (Input_file_group::add_file): Return reference to new input argument.
2170         (Input_file_lib::add_file): Likewise.
2171         (Input_arguments::add_file): Likewise.
2172         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2173         * script.cc (Parser_closure::Parser_closure): Add script_info
2174         parameter; adjust all callers.
2175         (Parser_closure::script_info): New function.
2176         (Parser_closure::script_info_): New data member.
2177         (read_input_script): Report scripts earlier to incremental info.
2178         (script_add_file): Set script_info in Input_argument.
2179         (script_add_library): Likewise.
2180         * script.h (Script_options::Script_info): Rewrite class.
2181
2182 2011-03-29  Cary Coutant  <ccoutant@google.com>
2183
2184         * archive.cc (Library_base::should_include_member): Move
2185         method here from class Archive.
2186         (Archive::Archive): Initialize base class.
2187         (Archive::should_include_member): Move to base class.
2188         (Archive::do_for_all_unused_symbols): New function.
2189         (Add_archive_symbols::run): Remove redundant access to
2190         incremental_inputs.
2191         (Lib_group::Lib_group): Initialize base class.
2192         (Lib_group::do_filename): New function.
2193         (Lib_group::include_member): Pass pointer to Lib_group to
2194         report_object.
2195         (Lib_group::do_for_all_unused_symbols): New function.
2196         (Add_lib_group_symbols::run): Report archive information for
2197         incremental links.
2198         * archive.h (class Library_base): New base class.
2199         (class Archive): Derive from Library_base.
2200         (Archive::filename): Move to base class.
2201         (Archive::set_incremental_info): Likewise.
2202         (Archive::incremental_info): Likewise.
2203         (Archive::Should_include): Likewise.
2204         (Archive::should_include_member): Likewise.
2205         (Archive::Armap_entry): Remove.
2206         (Archive::Unused_symbol_iterator): Remove.
2207         (Archive::unused_symbols_begin): Remove.
2208         (Archive::unused_symbols_end): Remove.
2209         (Archive::do_filename): New function.
2210         (Archive::do_get_mtime): New function.
2211         (Archive::do_for_all_unused_symbols): New function.
2212         (Archive::task_): Move to base class.
2213         (Archive::incremental_info_): Likewise.
2214         (class Lib_group): Derive from Library_base.
2215         (Lib_group::do_filename): New function.
2216         (Lib_group::do_get_mtime): New function.
2217         (Lib_group::do_for_all_unused_symbols): New function.
2218         (Lib_group::task_): Move to base class.
2219         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2220         function.
2221         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2222         function.
2223         * incremental.cc (Incremental_inputs::report_archive_begin):
2224         Use Library_base; call library's get_mtime; add incremental inputs
2225         entry before members.
2226         (class Unused_symbol_visitor): New class.
2227         (Incremental_inputs::report_archive_end): Use Library_base; use
2228         visitor class to record unused symbols; don't add incremental inputs
2229         entry after members.
2230         (Incremental_inputs::report_object): Use Library_base.
2231         * incremental.h
2232         (Incremental_archive_entry::Incremental_archive_entry): Remove
2233         unused Archive parameter.
2234         (Incremental_inputs::report_archive_begin): Use Library_base.
2235         (Incremental_inputs::report_archive_end): Likewise.
2236         (Incremental_inputs::report_object): Likewise.
2237         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2238         function.
2239         * object.h (Object::for_all_global_symbols): New function.
2240         (Object::do_for_all_global_symbols): New function.
2241         (Sized_relobj::do_for_all_global_symbols): New function.
2242         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2243         function.
2244         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2245         function.
2246
2247 2011-03-27  Ian Lance Taylor  <iant@google.com>
2248
2249         * archive.cc (Archive::interpret_header): Return -1 if something
2250         goes wrong.  Change callers accordingly.
2251
2252 2011-03-25  Cary Coutant  <ccoutant@google.com>
2253
2254         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2255         * testsuite/Makefile.in: Regenerate.
2256
2257 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2258
2259         * plugin.cc (get_view): New.
2260         (Plugin::load): Pass get_view to the plugin.
2261         (Plugin_manager::get_view): New.
2262
2263 2011-03-21  Ian Lance Taylor  <iant@google.com>
2264
2265         * testsuite/final_layout.sh: Rewrite to not use dc.
2266         * testsuite/relro_test.sh: Fail if dc is not present.
2267
2268 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2269
2270         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2271         Change == to -eq.
2272         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2273         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2274         Change == to -eq.
2275         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2276         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2277
2278 2011-03-14  Ian Lance Taylor  <iant@google.com>
2279
2280         * script-sections.cc (Sort_output_sections::script_compare):
2281         Rename from is_before, change return type.
2282         (Sort_output_sections::operator()): Adjust accordingly.
2283
2284 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2285
2286         PR gold/12572
2287         * testsuite/odr_violation2.cc: Add comment to make all error line
2288         numbers double digits.
2289         * testsuite/debug_msg.sh: Adjust expected errors.
2290
2291 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2292
2293         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2294         but mark earlier ones as non-canonical
2295         (offset_to_iterator): Update search target and example
2296         (do_addr2line): Return extra lines in a vector*
2297         (format_file_lineno): Extract from do_addr2line
2298         (one_addr2line): Add vector* out-param
2299         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2300         when a lineno entry appeared last for its instruction
2301         (Dwarf_line_info): Add vector* out-param
2302         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2303         * symtab.cc (Odr_violation_compare): Include the lineno in the
2304         comparison again.
2305         (linenos_from_loc): New. Combine the canonical line for an
2306         address with its other lines.
2307         (True_if_intersect): New. Helper functor to make
2308         std::set_intersection a query.
2309         (detect_odr_violations): Compare sets of lines instead of just
2310         one line for each function. This became less deterministic, but
2311         has fewer false positives.
2312         * symtab.h: Declarations.
2313         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2314         mix an optimized and non-optimized object in the same binary
2315         (odr_violation2.so): Same.
2316         * testsuite/Makefile.in: Regenerate from Makefile.am.
2317         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2318         * testsuite/debug_msg.sh: Update line numbers and add
2319         assertions.
2320         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2321         non-optimized context.
2322         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2323         isn't inlined, and use OdrDerived in an optimized context.
2324         * testsuite/odr_header1.h: Defines OdrDerived, where
2325         optimization will change the
2326         first-instruction-in-the-destructor's file and line number.
2327         * testsuite/odr_header2.h: Defines OdrBase.
2328
2329 2011-03-09  Ian Lance Taylor  <iant@google.com>
2330
2331         * fileread.cc (File_read::clear_views): Don't delete the whole
2332         file view.
2333
2334 2011-03-08  Ian Lance Taylor  <iant@google.com>
2335
2336         PR gold/12525
2337         * fileread.cc: #include <climits>.
2338         (GOLD_IOV_MAX): Define.
2339         (File_read::read_multiple): Limit number of entries by iov_max.
2340         * fileread.h (class File_read): Always set max_readv_entries to
2341         128.
2342
2343 2011-03-07  Ian Lance Taylor  <iant@google.com>
2344
2345         PR gold/12525
2346         * options.h (class General_options): Add -dy and -dn.
2347
2348 2011-03-02  Cary Coutant  <ccoutant@google.com>
2349
2350         * testsuite/script_test_9.t: Add TLS segment.
2351
2352 2011-03-02  Simon Baldwin  <simonb@google.com>
2353
2354         * configure.ac: Add check for gnu_indirect_function support in
2355         the toolchain building binutils.
2356         * configure: Rebuild.
2357
2358 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2359
2360         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2361         plugin only symbols.
2362         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2363         in plugin files as not needed in the symbol table.
2364
2365 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2366
2367         * output.cc (Output_section::add_input_section): Delay fill
2368         generation for section ordering.
2369
2370 2011-02-09  Ian Lance Taylor  <iant@google.com>
2371
2372         PR gold/12316
2373         * object.h (class Sized_relobj): Remove clear_local_symbols.
2374         * reloc.cc (Sized_relobj::do_relocate): Don't call
2375         clear_local_symbols.
2376
2377 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2378
2379         * plugin.cc (is_visible_from_outside): Return true for symbols
2380         in the -u option.
2381
2382 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2383
2384         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2385         filename.
2386
2387 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2388
2389         * icf.h (is_section_foldable_candidate): Change type of parameter
2390         to std::string.
2391         * icf.cc (Icf::find_identical_sections): Change type of local variable
2392         section_name to be std::string.
2393         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2394
2395 2011-01-25  Ian Lance Taylor  <iant@google.com>
2396
2397         * script.cc (script_add_extern): Rewrite to use
2398         add_symbol_reference.
2399
2400 2011-01-25  Doug Kwan  <dougkwan@google.com>
2401
2402         * icf.cc (get_section_contents): Always lock section's object.
2403
2404 2011-01-24  Ian Lance Taylor  <iant@google.com>
2405
2406         * options.h (class General_options): Accept
2407         --no-detect-odr-violations.
2408
2409 2011-01-24  Ian Lance Taylor  <iant@google.com>
2410
2411         * version.cc (version_string): Bump to 1.11.
2412
2413 2011-01-24  Ian Lance Taylor  <iant@google.com>
2414
2415         * plugin.cc (class Plugin_rescan): Define new class.
2416         (Plugin_manager::claim_file): Set any_claimed_.
2417         (Plugin_manager::save_archive): New function.
2418         (Plugin_manager::save_input_group): New function.
2419         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2420         necessary.
2421         (Plugin_manager::new_undefined_symbol): New function.
2422         (Plugin_manager::rescan): New function.
2423         (Plugin_manager::rescannable_defines): New function.
2424         (Plugin_manager::add_input_file): Set any_added_.
2425         * plugin.h (class Plugin_manager): define new fields rescannable_,
2426         undefined_symbols_, any_claimed_, and any_added_.  Declare
2427         Plugin_rescan as friend.  Declare new functions.
2428         (Plugin_manager::Rescannable): Define type.
2429         (Plugin_manager::Rescannable_list): Define type.
2430         (Plugin_manager::Undefined_symbol_list): Define type.
2431         (Plugin_manager::Plugin_manager): Initialize new fields.
2432         * archive.cc (Archive::defines_symbol): New function.
2433         (Add_archive_symbols::run): Pass archive to plugins if any.
2434         * archive.h (class Archive): Declare defines_symbol.
2435         * readsyms.cc (Input_group::~Input_group): New function.
2436         (Finish_group::run): Pass input_group to plugins if any.
2437         * readsyms.h (class Input_group): Declare destructor.
2438         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2439         any.
2440
2441 2011-01-10  Ian Lance Taylor  <iant@google.com>
2442
2443         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2444         section as relro.
2445         (Layout::set_segment_offsets): Reset increase_relro before calling
2446         set_section_addresses a second time.
2447
2448 2011-01-04  Cary Coutant  <ccoutant@google.com>
2449
2450         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2451         sections before NOBITS sections.
2452
2453 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2454
2455         * version.cc (print_version): Update copyright to 2011.
2456
2457 2010-12-23  Cary Coutant  <ccoutant@google.com>
2458
2459         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2460         of OS to this->add.  Add OD parameter to second form of the function.
2461
2462 2010-12-20  Ian Lance Taylor  <iant@google.com>
2463
2464         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2465         second of two consecutive entries with same offset.
2466
2467 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2468
2469         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2470         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2471         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2472         to avoid unneeded links against $(LDADD).
2473         * testsuite/Makefile.in: Regenerate.
2474
2475 2010-12-15  Ian Lance Taylor  <iant@google.com>
2476
2477         PR gold/12324
2478         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2479         for R_X86_64_32 and R_X86_64_PC32.
2480         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2481         ver_matching_def_pic.o.
2482         (ver_matching_def_pic.o): New target.
2483
2484 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2485
2486         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2487         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2488         Move definition before File_read::View member definitions.
2489         (File_read::View::~View): Initialize and hold lock before
2490         updating current_mapped_bytes.
2491
2492 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2493
2494         * dwarf_reader.cc: Remove outdated comment.
2495         * gold-threads.cc: Fix typo in error message.
2496         * archive.cc: Fix typos in comments.
2497         * archive.h: Likewise.
2498         * arm-reloc-property.cc: Likewise.
2499         * arm-reloc-property.h: Likewise.
2500         * arm-reloc.def: Likewise.
2501         * arm.cc: Likewise.
2502         * attributes.h: Likewise.
2503         * cref.cc: Likewise.
2504         * ehframe.cc: Likewise.
2505         * fileread.h: Likewise.
2506         * gold.h: Likewise.
2507         * i386.cc: Likewise.
2508         * icf.cc: Likewise.
2509         * incremental.h: Likewise.
2510         * int_encoding.cc: Likewise.
2511         * layout.h: Likewise.
2512         * main.cc: Likewise.
2513         * merge.h: Likewise.
2514         * object.cc: Likewise.
2515         * object.h: Likewise.
2516         * options.cc: Likewise.
2517         * readsyms.cc: Likewise.
2518         * reduced_debug_output.cc: Likewise.
2519         * reloc.cc: Likewise.
2520         * script-sections.cc: Likewise.
2521         * sparc.cc: Likewise.
2522         * symtab.h: Likewise.
2523         * target-reloc.h: Likewise.
2524         * target.cc: Likewise.
2525         * target.h: Likewise.
2526         * timer.cc: Likewise.
2527         * timer.h: Likewise.
2528         * x86_64.cc: Likewise.
2529
2530 2010-12-09  Cary Coutant  <ccoutant@google.com>
2531
2532         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2533         stack.
2534         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2535         parameter; change all callers.
2536         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2537         * options.h (warn_execstack): New option.
2538
2539 2010-12-07  Doug Kwan  <dougkwan@google.com>
2540
2541         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2542         like function call relocations.
2543
2544 2010-12-07  Ian Lance Taylor  <iant@google.com>
2545
2546         * archive.cc (Archive::get_elf_object_for_member): Permit
2547         punconfigured to be NULL.
2548         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2549         (Archive::include_member): Pass NULL to get_elf_object_for_member
2550         if we searched for the archive and this is the first included
2551         object.
2552
2553 2010-12-01  Ian Lance Taylor  <iant@google.com>
2554
2555         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2556         track_relocs_type_ field.
2557         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2558         Set track_relocs_type_.
2559         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2560         contents when using RELA relocs.
2561         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2562         reloc_map_.
2563         * reloc.cc (Track_relocs::next_addend): New function.
2564         * reloc.h (class Track_relocs): Declare next_addend.
2565
2566 2010-12-01  Ian Lance Taylor  <iant@google.com>
2567
2568         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2569         virtual destructor.
2570
2571 2010-12-01  Ian Lance Taylor  <iant@google.com>
2572
2573         * README: Update compilers known to work and fail.
2574
2575 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2576
2577         * configure.in: For --enable-gold, handle value `default' instead of
2578         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2579         not the default.
2580         * configure: Regenerate.
2581
2582 2010-11-18  Doug Kwan  <dougkwan@google.com>
2583
2584         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2585         and right_alignment to be zero.  Store result alignment only if it is
2586         greater than existing alignment.
2587
2588 2010-11-16  Cary Coutant  <ccoutant@google.com>
2589
2590         PR gold/12220
2591         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2592         Check for ".zdebug_line".
2593
2594 2010-11-16  Doug Kwan  <dougkwan@google.com>
2595             Cary Coutant  <ccoutant@google.com>
2596
2597         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2598         by reference; adjust all callers.
2599         * output.cc (Output_segment::set_section_addresses): Adjust references
2600         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2601         list is empty.
2602         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2603         end at page boundary.
2604
2605 2010-11-16  Cary Coutant  <ccoutant@google.com>
2606
2607         PR gold/12220
2608         * layout.cc (Layout::choose_output_section): Transform names of
2609         compressed sections even when using a script with a SECTIONS clause.
2610         (Layout::output_section_name): Remove code to transform
2611         compressed debug section names.
2612         * output.cc (Output_section::add_input_section): Use uncompressed
2613         section size when tracking input sections.
2614
2615 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2616
2617         * symtab.h (Symbol::NON_PIC_REF): Remove.
2618         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2619         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2620         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2621         (Symbol::use_plt_offset): Take a flags argument and pass it
2622         directly to needs_dynamic_reloc.  Restrict check for undefined
2623         weak symbols to function calls.
2624         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2625         (Target_arm::Scan::global): Use it.
2626         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2627         (Target_arm::Relocate::relocate): Likewise.
2628         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2629         parameter with an r_type parameter.  Use get_reference_flags
2630         to get the flags.
2631         (Target_arm::Relocate::relocate): Update accordingly.
2632         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2633         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2634         (Target_i386::Scan::global): Likewise.
2635         (Target_i386::Relocate::relocate): Likewise.
2636         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2637         parameter with an r_type parameter.  Use get_reference_flags
2638         to get the flags.
2639         (Target_i386::Relocate::relocate): Update accordingly.
2640         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2641         (Target_powerpc::Scan::global): Use it.
2642         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2643         (Target_powerpc::Relocate::relocate): Likewise.
2644         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2645         (Target_sparc::Scan::global): Use it.
2646         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2647         (Target_sparc::Relocate::relocate): Likewise.
2648         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2649         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2650         (Target_x86_64::Scan::global): Likewise.
2651         (Target_x86_64::Relocate::relocate): Likewise.
2652
2653 2010-11-08  Doug Kwan  <dougkwan@google.com>
2654             Cary Coutant  <ccoutant@google.com>
2655
2656         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2657         (Arm_exidx_merge_section::section_contents_): New data member.
2658         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2659         (Arm_input_section::~Arm_input_section): De-allocate memory.
2660         (Arm_input_section::original_contents_): New data member.
2661         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2662         in parameters instead of calling Object::section_contents without
2663         locking.
2664         (Arm_output_section::group_section): New parameter TASK.  Pass it
2665         to callees that need locking objects.
2666         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2667         to lock EXIDX input sections.  Fix a formatting issue.  Call
2668         Arm_exidx_merged_section::build_contents to create merged section
2669         contents.
2670         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2671         to lock object of stub table owner.
2672         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2673         TEXT_SIZE to initialize data member TEXT_SIZE_.
2674         (Arm_exidx_input_section::addralign): Fix typo in comment.
2675         (Arm_exidx_input_section::text_size): New method.
2676         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2677         that require locking objects.  Lock objects before scanning for stubs
2678         and updating local symbols.
2679         (Arm_input_section<big_endian>::init): Copy contents of original
2680         input section.
2681         (Arm_input_section<big_endian>::do_write): Use saved contents of
2682         original input section instead of calling Object::section_contents
2683         without locking.
2684         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2685         size without calling Object::section_size().
2686         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2687         for size.  Allocate a buffer for merged EXIDX entries.
2688         (Arm_exidx_merged_section::build_contents): New method.
2689         (Arm_exidx_merged_section::do_write): Move merge section contents
2690         building code to Arm_exidx_merged_section::build_contetns.  Write
2691         out contetns in buffer instead of building it on the fly.
2692         (Arm_relobj::make_exidx_input_section): Also pass text section size
2693         to Arm_exidx_input_section constructor.
2694         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2695         (Arm_dynobj::do_read_symbols): Fix memory leak.
2696         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2697         * target.h: (class Task): Add forward declaration.
2698         (Target::relax): Add new parameter TASK and pass it to
2699         Target::do_relax().
2700         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2701
2702 2010-11-05  Cary Coutant  <ccoutant@google.com>
2703
2704         PR gold/10708
2705         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2706         object when reading from the file.
2707         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2708         second layout pass.
2709         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2710         when reading section contents.
2711         (get_section_contents): Likewise.
2712         (icf::find_identical_sections): Likewise.
2713         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2714         object when reading from the file.
2715         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2716         the object when doing deferred section layout.
2717
2718 2010-11-03  Nick Clifton  <nickc@redhat.com>
2719
2720         PR gold/12001
2721         * script.h (class Symbol_assignment: name): New member.  Returns
2722         the name of the symbol.
2723         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2724         Returns true if the given symbol name is on the list of
2725         assignments wating to be processed.
2726         * archive.cc (should_incldue_member): If the symbol is undefined,
2727         check to see if it is on the list of symbols pending assignment.
2728
2729 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2730
2731         * script-sections.cc (Script_sections::find_memory_region): Check
2732         for a NULL output section pointer.
2733
2734 2010-10-29  Doug Kwan  <dougkwan@google.com>
2735
2736         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2737         Output_section::add_relaxed_input_section.
2738         * output.cc (Output_section::add_relaxed_input_section): Add new
2739         arguments LAYOUT and NAME.  Set section order index.
2740         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2741         Copy section order index.
2742         * output.h (Output_section::add_relaxed_input_section): Add new
2743         arguments LAYOUT and NAME.
2744
2745 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2746
2747         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2748         NATIVE_OR_CROSS_LINKER.
2749         * testsuite/Makefile.in: Regenerate.
2750
2751 2010-10-20  Doug Kwan  <dougkwan@google.com>
2752
2753         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2754         without SHF_LINK_ORDER flags.
2755         * layout.cc (Layout::choose_output_section): Do not filter
2756         SHF_LINK_ORDER flag in a relocatable link.
2757
2758 2010-10-17  Cary Coutant  <ccoutant@google.com>
2759
2760         * output.h (Output_segment::set_section_addresses): Change function
2761         signature.  Update all callers.
2762         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2763         sections.
2764         (Output_segment::set_section_addresses): Align after last TLS
2765         section.  Add padding before last relro section instead of after.
2766
2767 2010-10-17  Doug Kwan  <dougkwan@google.com>
2768
2769         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2770         GOT output section to be writable.
2771
2772 2010-10-14  Cary Coutant  <ccoutant@google.com>
2773
2774         * debug.h (DEBUG_INCREMENTAL): New flag.
2775         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2776         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2777         mode.
2778         * incremental.cc (report_command_line): Ignore all forms of
2779         --incremental.
2780         * layout.cc (Layout::Layout): Check parameters for incremental link
2781         mode.
2782         * options.cc (General_options::parse_incremental): New function.
2783         (General_options::parse_no_incremental): New function.
2784         (General_options::parse_incremental_full): New function.
2785         (General_options::parse_incremental_update): New function.
2786         (General_options::incremental_mode_): New data member.
2787         (General_options::finalize): Check incremental_mode_.
2788         * options.h (General_options): Update help text for --incremental.
2789         Add --no-incremental, --incremental-full, --incremental-update.
2790         (General_options::Incremental_mode): New enum type.
2791         (General_options::incremental_mode): New function.
2792         (General_options::incremental_mode_): New data member.
2793         * parameters.cc (Parameters::incremental_mode_): New data member.
2794         (Parameters::set_options): Set incremental_mode_.
2795         (Parameters::set_incremental_full): New function.
2796         (Parameters::incremental): New function.
2797         (Parameters::incremental_update): New function.
2798         (set_parameters_incremental_full): New function.
2799         * parameters.h (Parameters::set_incremental_full): New function.
2800         (Parameters::incremental): New function.
2801         (Parameters::incremental_update): New function.
2802         (Parameters::incremental_mode_): New data member.
2803         (set_parameters_incremental_full): New function.
2804         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2805         incremental link mode.
2806         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2807         (Sized_relobj::do_relocate_sections): Likewise.
2808         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2809         option.
2810         * testsuite/Makefile.in: Regenerate.
2811         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2812
2813 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2814
2815         * script-sections.h (class Script_sections): Make
2816         Sections_elements typedef public.
2817         * script-sections.cc (class Sort_output_sections): Add elements_
2818         field.  Add constructor which sets it; change all callers.
2819         (Sort_output_sections::is_before): New function.
2820         (Sort_output_sections::operator()): Call is_before.
2821         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2822         conditional.
2823         * testsuite/script_test_10.sh: New test. Test script section
2824         order.
2825         * testsuite/script_test_10.t: Likewise.
2826         * testsuite/script_test_10.s: Likewise.
2827         * testsuite/Makefile.am: Wrap the cross linker tests and the
2828         common tests into NATIVE_OR_CROSS_LINKER.
2829         (check_SCRIPTS): Add script_test_10.sh.
2830         (check_DATA): Add script_test_10.stdout.
2831         (script_test_10.o, script_test_10): New targets.
2832         (script_test_10.stdout): New target.
2833         * configure, testsuite/Makefile.in: Regenerate.
2834
2835 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2836
2837         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2838         error for the deprecated relocations.
2839         (Target_arm::Scan::global): Likewise.
2840         (Target_arm::Relocate::relocate): Likewise.
2841
2842 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2843
2844         * fileread.cc (Input_file::find_file): Initialize *found_name
2845         and *namep when using the fallback search for case 4.
2846
2847 2010-10-11  Cary Coutant  <ccoutant@google.com>
2848
2849         * options.h (class General_options): Redefine -z lazy as an alias for
2850         the negation of -z now.
2851
2852 2010-10-11  Ian Lance Taylor  <iant@google.com>
2853
2854         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2855         binding.
2856
2857 2010-10-06  Nick Clifton  <nickc@redhat.com>
2858
2859         * script-sections.cc(class Memory_region): Remove
2860         current_lma_offset_ field.  Rename current_vma_offset_ to
2861         current_offset_.  Add last_section_ field.
2862         (Memory_region::get_current_vma_address): Rename to
2863         get_current_address.
2864         (Memory_region::get_current_lma_address): Delete.
2865         (Memory_region::increment_vma_offset): Rename to
2866         increment_offset.
2867         (Memory_region::increment_lma_offset): Delete.
2868         (Memory_region::attributes_compatible): New method.  Returns
2869         true if the provided section is compatible with the region.
2870         (Memory_region::get_last_section): New method.  Returns the last
2871         section to use the region.
2872         (Memory_region::set_last_section): New method.  Stores the last
2873         section to use the region.
2874         (Script_sections::block_in_region): New method.  Returns true if
2875         a block of memory is contained within a region.
2876         (Script_sections::find_memory_region): New method.  Locates a
2877         memory region to be used to set a VMA or LMA address.
2878         (Output_section_definition::set_section_addresses): Add code to
2879         check for addresses set by memory regions.
2880         (Output_segment::set_section_addresses): Remove memory region
2881         walking code.
2882         (Script_sections::create_segment): Add a warning if a header
2883         segment is created outside of any region.
2884         * script-sections.h (class Script_sections): Add prototypes for
2885         find_memory_region and block_in_region methods.
2886         * testsuite/memory_test.s: Use .long instead of .word.
2887         * testsuite/memory_test.t: Add some more output sections.
2888         * testsuite/memory_test.sh: Update expected output.
2889
2890 2010-10-02  Doug Kwan  <dougkwan@google.com>
2891
2892         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2893         defintion to symtab.h
2894         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2895         declaration to defintion.
2896
2897 2010-10-01  Nick Clifton  <nickc@redhat.com>
2898
2899         * expression.cc (eval): Replace dummy argument with NULL.
2900         (eval_maybe_dot): Check for a NULL result section pointer.
2901         (Symbol_expression::value): Likewise.
2902         (Dot_expression::value): Likewise.
2903         (BINARY_EXPRESSION): Likewise.
2904         (Max_expression::value): Likewise.
2905         (Min_expression::value): Likewise.
2906         (Absolute_expression::value): Likewise.
2907         (Addr_expression::value_from_output_section): Likewise.
2908         (Loaddddr_expression::value_from_output_section): Likewise.
2909         (Segment_start_expression::value): Likewise.
2910         * script-sections.cc
2911         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2912         argument with NULL.
2913         (Sections_elememt_dot_assignment::set_section_addresses):
2914         Likewise.
2915         (Output_data_expression::do_write_to_buffer): Likewise.
2916         (Output_section_definition::finalize_symbols): Likewise.
2917         (Output_section_definition::set_section_addresses): Likewise.
2918
2919 2010-09-30  Doug Kwan  <dougkwan@google.com>
2920
2921         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2922
2923 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2924
2925         * target.h (Target::can_icf_inline_merge_sections): New virtual
2926         function.
2927         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2928         virtual function.
2929         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2930         virtual function.
2931         * icf.cc (get_section_contents): Inline merge sections only when
2932         target allows it.
2933
2934 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2935
2936         * configure: Regenerate.
2937
2938 2010-09-17  Ian Lance Taylor  <iant@google.com>
2939
2940         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2941         * testsuite/Makefile.am (memory_test.o): New target.
2942         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2943         memory_test.t.
2944         * testsuite/Makefile.in: Rebuild.
2945
2946 2010-09-17  Doug Kwan  <dougkwan@google.com>
2947
2948         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2949         defintion if relocation uses GOT entries of the symbol.
2950         * testsuite/icf_safe_test.sh: Fix test.
2951         * testsuite/icf_safe_so_test.sh: Fix test.
2952
2953 2010-09-16  Cary Coutant  <ccoutant@google.com>
2954
2955         * script_sections.cc (class Memory_region): Remove "NULL" from
2956         vector initializations.
2957
2958 2010-09-15  Cary Coutant  <ccoutant@google.com>
2959
2960         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2961         Resolve forwarding symbols.
2962
2963 2010-09-15  Doug Kwan  <dougkwan@google.com>
2964
2965         * gold/testsuite/script_test_3.t: Add ARM special sections.
2966         * gold/testsuite/script_test_4.t: Same.
2967         * gold/testsuite/script_test_5.t: Same.
2968         * gold/testsuite/script_test_6.t: Same.
2969         * gold/testsuite/script_test_7.t: Same.
2970         * gold/testsuite/script_test_7.t: Same.
2971         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2972
2973 2010-09-14  Cary Coutant  <ccoutant@google.com>
2974
2975         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2976         (Target_x86_64::Relocate::relocate_tls): Replace check for
2977         saw_tls_block_reloc_ with test for executable section.
2978
2979 2010-09-12  Cary Coutant  <ccoutant@google.com>
2980
2981         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2982         position-independent executables to shared libraries need dynamic
2983         relocations.
2984         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2985         position-independent executables.
2986         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2987         * testsuite/Makefile.in: Regenerate.
2988
2989 2010-09-10  Nick Clifton  <nickc@redhat.com>
2990
2991         PR gold/11997
2992         * testsuite/memory_test.t: Discard any sections that are not
2993         needed.
2994
2995 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2996
2997         PR gold/11996
2998         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2999         "This::" to work around a bug in gcc 4.2.
3000
3001         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3002
3003 2010-09-09  Rafael Espindola  <espindola@google.com>
3004
3005         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3006         sections with different PF_X flags in the same segment.
3007         (Layout::find_first_load_seg): Search all segments to find the first
3008         one.
3009         * options.h (rosegment): New.
3010
3011 2010-09-08  Rafael Espindola  <espindola@google.com>
3012
3013         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3014
3015 2010-09-08  Doug Kwan  <dougkwan@google.com>
3016
3017         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3018         (Arm_relobj::do_relocate_sections): Add new parameter for output
3019         file to match the parent.
3020         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3021         of local symbols instead of input values.  Update code to track
3022         changes in gold::relocate_section.
3023         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3024         (Sized_relobj::compute_final_local_value_internal): New methods.
3025         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3026         body into private version of Sized_relobj::compute_final_local_value.
3027         Call the inline method.
3028         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3029         merged symbol value if there is one.
3030         (Symbol_value::has_output_value): New method defintiion.
3031         (Sized_relobj::Compute_final_local_value_status): New enum type.
3032         (Sized_relobj::compute_final_local_value): New methods.
3033         (Sized_relobj::compute_final_local_value_internal): New methods.
3034         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3035         and arm_cortex_a8.sh.
3036         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3037         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3038         New tests.
3039         * Makefile.in: Regenerate.
3040         * testsuite/arm_bl_out_of_range.s: Update test.
3041         * testsuite/thumb_bl_out_of_range.s: Ditto.
3042         * testsuite/thumb_blx_out_of_range.s: Ditto.
3043         * testsuite/arm_branch_out_of_range.sh: New file.
3044         * testsuite/arm_cortex_a8.sh: Ditto.
3045         * testsuite/arm_cortex_a8_b.s: Ditto.
3046         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3047         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3048         * testsuite/arm_cortex_a8_bl.s: Ditto.
3049         * testsuite/arm_cortex_a8_blx.s: Ditto.
3050         * testsuite/arm_cortex_a8_local.s: Ditto.
3051         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3052         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3053
3054 2010-09-08  Rafael Espindola  <espindola@google.com>
3055
3056         * Makefile.am (memory_test.stdout): Run readelf with -W.
3057         * Makefile.in: Regenerate.
3058         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3059         64 bit output.
3060
3061 2010-09-08  Rafael Espindola  <espindola@google.com>
3062
3063         * script-sections.cc (Script_sections::add_memory_region): Convert
3064         field precision to int.
3065         * script.cc (script_set_section_region, script_set_section_region):
3066         Convert field precision to int.
3067
3068 2010-09-08  Rafael Espindola  <espindola@google.com>
3069
3070         * arm.cc (do_finalize_sections): Create the __exidx_start and
3071         __exdix_end symbols even when the section is missing.
3072
3073 2010-09-08  Nick Clifton  <nickc@redhat.com>
3074
3075         * README: Remove claim that MEMORY is not supported.
3076         * expression.cc (script_exp_function_origin)
3077         (script_exp_function_length): Move from here to ...
3078         * script.cc: ... here.
3079         (script_set_section_region, script_add_memory)
3080         (script_parse_memory_attr, script_include_directive): New
3081         functions.
3082         * script-sections.cc
3083         (class Memory_region): New class.
3084         (class Output_section_definition): Add set_memory_region,
3085         set_section_vma, set_section_lma and get_section_name methods.
3086         (class Script_Sections): Add add_memory_region,
3087         find_memory_region, find_memory_region_origin,
3088         find_memory_region_length and set_memory_region methods.
3089         Have set_section_addresses method walk the list of set memory
3090         regions.
3091         Extend the print methos to display memory regions.
3092         * script-sections.h: Add prototypes for new methods.
3093         Add enum for MEMORY region attributes.
3094         * yyscript.y: Add support for parsing MEMORY regions.
3095         * script-c.h: Add prototypes for new functions.
3096         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3097         * testsuite/Makefile.in: Regenerate.
3098         * testsuite/memory_test.sh: New script.
3099         * testsuite/memory_test.s: New assembler source file.
3100         * testsuite/memory_test.t: New linker script.
3101
3102 2010-08-27  Doug Kwan  <dougkwan@google.com>
3103
3104         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3105         reference override an existing dynamic weak reference.
3106         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3107         * testsuite/Makefile.in: Regenerate.
3108         * testsuite/dyn_weak_ref.sh: New file.
3109         * testsuite/dyn_weak_ref_1.c: Ditto.
3110         * testsuite/dyn_weak_ref_2.c: Ditto.
3111
3112 2010-08-27  Ian Lance Taylor  <iant@google.com>
3113
3114         * incremental.h (class Incremental_input_entry): Add virtual
3115         destructor.
3116
3117 2010-08-27  Ian Lance Taylor  <iant@google.com>
3118
3119         * testsuite/start_lib_test_3.c: Mark t3 as used.
3120
3121 2010-08-27  Nick Clifton  <nickc@redhat.com>
3122
3123         * options.cc (version_script): Fix small typo in previous
3124         whitespace tidyup.
3125
3126 2010-08-25  Nick Clifton  <nickc@redhat.com>
3127
3128         * archive.cc: Formatting fixes: Remove whitespace between
3129         typename and following asterisk.  Remove whitespace between
3130         function name and opening parenthesis.
3131         * archive.h: Likewise.
3132         * arm.cc: Likewise.
3133         * attributes.cc: Likewise.
3134         * attributes.h: Likewise.
3135         * common.cc: Likewise.
3136         * copy-relocs.cc: Likewise.
3137         * dirsearch.h: Likewise.
3138         * dynobj.cc: Likewise.
3139         * ehframe.cc: Likewise.
3140         * ehframe.h: Likewise.
3141         * expression.cc: Likewise.
3142         * fileread.cc: Likewise.
3143         * fileread.h: Likewise.
3144         * gc.h: Likewise.
3145         * gold-threads.cc: Likewise.
3146         * gold.cc: Likewise.
3147         * i386.cc: Likewise.
3148         * icf.h: Likewise.
3149         * incremental-dump.cc: Likewise.
3150         * incremental.cc: Likewise.
3151         * layout.cc: Likewise.
3152         * layout.h: Likewise.
3153         * main.cc: Likewise.
3154         * merge.cc: Likewise.
3155         * merge.h: Likewise.
3156         * object.cc: Likewise.
3157         * object.h: Likewise.
3158         * options.cc: Likewise.
3159         * options.h: Likewise.
3160         * output.cc: Likewise.
3161         * output.h: Likewise.
3162         * plugin.cc: Likewise.
3163         * plugin.h: Likewise.
3164         * powerpc.cc: Likewise.
3165         * reloc.cc: Likewise.
3166         * script-c.h: Likewise.
3167         * script-sections.cc: Likewise.
3168         * script.cc: Likewise.
3169         * stringpool.cc: Likewise.
3170         * symtab.cc: Likewise.
3171         * symtab.h: Likewise.
3172         * target.cc: Likewise.
3173         * timer.cc: Likewise.
3174         * timer.h: Likewise.
3175         * version.cc: Likewise.
3176         * x86_64.cc: Likewise.
3177
3178 2010-08-24  Nick Clifton  <nickc@redhat.com>
3179
3180         PR 11899
3181         * layout.cc (segment_precedes): Sort segments by their physical
3182         addresses, if they have been set.
3183
3184 2010-08-23  Cary Coutant  <ccoutant@google.com>
3185
3186         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3187         symbols data.
3188         (Lib_group::include_member): Unlock object after deleting its
3189         symbols data.
3190         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3191         the bug fixed here.
3192
3193 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3194             Cary Coutant  <ccoutant@google.com>
3195
3196         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3197         constructor, and set_blocker.
3198         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3199         readsyms_blocker_.
3200         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3201         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3202         * testsuite/Makefile.am (start_lib_test): New test case.
3203         * testsuite/Makefile.in: Regenerate.
3204         * testsuite/start_lib_test_main.c: New file.
3205         * testsuite/start_lib_test_1.c: New file.
3206         * testsuite/start_lib_test_2.c: New file.
3207         * testsuite/start_lib_test_3.c: New file.
3208
3209 2010-08-19  Ian Lance Taylor  <iant@google.com>
3210
3211         * Makefile.in: Rebuild with automake 1.11.1.
3212         * aclocal.m4: Likewise.
3213         * testsuite/Makefile.in: Likewise.
3214
3215 2010-08-19  Ian Lance Taylor  <iant@google.com>
3216
3217         PR 10893
3218         * i386.cc (class Output_data_plt_i386): Update declarations.
3219         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3220         local_ifuncs_ fields.
3221         (Target_i386::do_plt_section_for_global): New function.
3222         (Target_i386::do_plt_section_for_local): New function.
3223         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3224         parameter; change all callers.  Initialize global_ifuncs_ and
3225         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3226         __rel_iplt_end.
3227         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3228         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3229         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3230         symbols.
3231         (Target_i386::make_plt_section): New function, broken out of
3232         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3233         (Target_i386::make_plt_entry): Call make_plt_section.
3234         (Target_i386::make_local_ifunc_plt_entry): New function.
3235         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3236         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3237         R_386_IRELATIVE to switch.
3238         (Target_i386::Scan::global): Likewise.
3239         (Target_i386::Relocate::relocate): Likewise.
3240         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3241         switch.
3242         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3243         (Target_x86_64::do_plt_section_for_global): New function.
3244         (Target_x86_64::do_plt_section_for_local): New function.
3245         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3246         parameter; change all callers.  If doing a static link define
3247         __rela_iplt_start and __rela_iplt_end.
3248         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3249         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3250         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3251         to point to .plt.
3252         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3253         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3254         switch.
3255         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3256         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3257         R_X86_64_IRELATIVE to switch.
3258         (Target_x86_64::Scan::global): Likewise.
3259         (Target_x86_64::Relocate::relocate): Likewise.
3260         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3261         switch.
3262         * target.h (class Target): Add plt_section_for_global and
3263         plt_section_for_local functions.  Add do_plt_section_for_global
3264         and do_plt_section_for_local virtual functions.
3265         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3266         clarifying comments.
3267         (Symbol::use_plt_offset): Handle IFUNC symbol.
3268         * object.cc (Sized_relobj::Sized_relobj): Initialize
3269         local_plt_offsets_.
3270         (Sized_relobj::local_has_plt_offset): New function.
3271         (Sized_relobj::local_plt_offset): New function.
3272         (Sized_relobj::set_local_plt_offset): New function.
3273         (Sized_relobj::do_count): Handle IFUNC symbol.
3274         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3275         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3276         is_ifunc_symbol functions.
3277         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3278         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3279         local_plt_offsets_ field.
3280         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3281         * output.h (class Output_section_data): Add non-const
3282         output_section function.
3283         (class Output_data_got): Update declarations.
3284         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3285         Add use_plt_offset parameter to global and local constructors.
3286         Change all callers.  Change local_sym_index_ field to 31 bits.
3287         Change GSYM_CODE and CONSTANT_CODE accordingly.
3288         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3289         doing a static link don't set sh_link field.
3290         (Output_data_got::Got_entry::write): Use PLT offset if
3291         appropriate.
3292         (Output_data_got::add_global_plt): New function.
3293         (Output_data_got::add_local_plt): New function.
3294         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3295         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3296         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3297         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3298         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3299         IFUNC conditional.
3300         * testsuite/ifunc-sel.h: New file.
3301         * testsuite/ifuncmain1.c: New file.
3302         * testsuite/ifuncmain1vis.c: New file.
3303         * testsuite/ifuncmod1.c: New file.
3304         * testsuite/ifuncdep2.c: New file.
3305         * testsuite/ifuncmain2.c: New file.
3306         * testsuite/ifuncmain3.c: New file.
3307         * testsuite/ifuncmod3.c: New file.
3308         * testsuite/ifuncmain4.c: New file.
3309         * testsuite/ifuncmain5.c: New file.
3310         * testsuite/ifuncmod5.c: New file.
3311         * testsuite/ifuncmain6pie.c: New file.
3312         * testsuite/ifuncmod6.c: New file.
3313         * testsuite/ifuncmain7.c: New file.
3314         * configure, testsuite/Makefile.in: Rebuild.
3315
3316 2010-08-18  Ian Lance Taylor  <iant@google.com>
3317
3318         * incremental.cc
3319         (Output_section_incremental_inputs::write_input_files): Add cast
3320         to avoid signed/unsigned comparison warning.
3321         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3322
3323 2010-08-12  Cary Coutant  <ccoutant@google.com>
3324
3325         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3326
3327 2010-08-13  Ian Lance Taylor  <iant@google.com>
3328
3329         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3330
3331 2010-08-12  Cary Coutant  <ccoutant@google.com>
3332             Doug Kwan  <dougkwan@google.com>
3333
3334         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3335         defintion overrides non-weak undef, remember that the original undef
3336         is not weak.
3337         * symtab.cc (Symbol_table::sized_write_global): For undef without
3338         an original weak binding, set binding to global in output.
3339         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3340         * testsuite/Makefile.in: Regenerate.
3341         * testsuite/strong_ref_weak_def.sh: New file.
3342         * testsuite/strong_ref_weak_def_1.c: Ditto.
3343         * testsuite/strong_ref_weak_def_2.c: Ditto.
3344
3345 2010-08-12  Cary Coutant  <ccoutant@google.com>
3346
3347         * testsuite/incremental_test.sh: Rewrite.
3348         * testsuite/incremental_test_1.c: Rewrite.
3349         * testsuite/incremental_test_2.c: Rewrite.
3350
3351 2010-08-12  Cary Coutant  <ccoutant@google.com>
3352
3353         * arm.cc (Target_arm::got_size): Add const.
3354         (Target_arm::got_entry_count): New function.
3355         (Target_arm::plt_entry_count): New function.
3356         (Target_arm::first_plt_entry_offset): New function.
3357         (Target_arm::plt_entry_size): New function.
3358         (Output_data_plt_arm::entry_count): New function.
3359         (Output_data_plt_arm::first_plt_entry_offset): New function.
3360         (Output_data_plt_arm::get_plt_entry_size): New function.
3361         * i386.cc (Target_i386::got_size): Add const.
3362         (Target_i386::got_entry_count): New function.
3363         (Target_i386::plt_entry_count): New function.
3364         (Target_i386::first_plt_entry_offset): New function.
3365         (Target_i386::plt_entry_size): New function.
3366         (Output_data_plt_i386::entry_count): New function.
3367         (Output_data_plt_i386::first_plt_entry_offset): New function.
3368         (Output_data_plt_i386::get_plt_entry_size): New function.
3369         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3370         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3371         * incremental.cc: Include target.h.
3372         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3373         parameter.  Adjust all callers.  Find incremental_got_plt section.
3374         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3375         section.
3376         (Output_section_incremental_inputs::set_final_data_size): Calculate
3377         size of incremental_got_plt section.
3378         (Output_section_incremental_inputs::do_write): Write the
3379         incremental_got_plt section.
3380         (Got_plt_view_info): New struct.
3381         (Local_got_offset_visitor): New class.
3382         (Global_got_offset_visitor): New class.
3383         (Global_symbol_visitor_got_plt): New class.
3384         (Output_section_incremental_inputs::write_got_plt): New function.
3385         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3386         Add parameter.  Adjust all callers.
3387         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3388         (Incremental_inputs::got_plt_section): New function.
3389         (Incremental_inputs::got_plt_section_): New data member.
3390         (Incremental_got_plt_reader): New class.
3391         * layout.cc (Layout::create_incremental_info_sections): Add the
3392         incremental_got_plt section.
3393         * object.h (Got_offset_list::get_list): New function.
3394         (Got offset_list::for_all_got_offsets): New function.
3395         (Sized_relobj::local_got_offset_list): New function.
3396         * powerpc.cc (Target_powerpc::got_size): Add const.
3397         (Target_powerpc::got_entry_count): New function.
3398         (Target_powerpc::plt_entry_count): New function.
3399         (Target_powerpc::first_plt_entry_offset): New function.
3400         (Target_powerpc::plt_entry_size): New function.
3401         (Output_data_plt_powerpc::entry_count): New function.
3402         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3403         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3404         * sparc.cc (Target_sparc::got_size): Add const.
3405         (Target_sparc::got_entry_count): New function.
3406         (Target_sparc::plt_entry_count): New function.
3407         (Target_sparc::first_plt_entry_offset): New function.
3408         (Target_sparc::plt_entry_size): New function.
3409         (Output_data_plt_sparc::entry_count): New function.
3410         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3411         (Output_data_plt_sparc::get_plt_entry_size): New function.
3412         * symtab.h (Symbol::got_offset_list): New function.
3413         (Symbol_table::for_all_symbols): New function.
3414         * target.h (Sized_target::got_entry_count): New function.
3415         (Sized_target::plt_entry_count): New function.
3416         (Sized_target::plt_entry_size): New function.
3417         * x86_64.cc (Target_x86_64::got_size): Add const.
3418         (Target_x86_64::got_entry_count): New function.
3419         (Target_x86_64::plt_entry_count): New function.
3420         (Target_x86_64::first_plt_entry_offset): New function.
3421         (Target_x86_64::plt_entry_size): New function.
3422         (Output_data_plt_x86_64::entry_count): New function.
3423         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3424         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3425
3426 2010-08-12  Cary Coutant  <ccoutant@google.com>
3427
3428         * archive.cc: Include incremental.h.
3429         (Archive::Archive): Initialize incremental_info_.
3430         (Archive::include_member): Record archive members in incremental info.
3431         (Add_archive_symbols::run): Record begin and end of an archive in
3432         incremental info.
3433         (Lib_group::include_member): Record objects in incremental info.
3434         * archive.h (Incremental_archive_entry): Forward declaration.
3435         (Archive::set_incremental_info): New member function.
3436         (Archive::incremental_info): New member function.
3437         (Archive::Unused_symbol_iterator): New class.
3438         (Archive::unused_symbols_begin): New member function.
3439         (Archive::unused_symbols_end): New member function.
3440         (Archive::incremental_info_): New data member.
3441         * incremental-dump.cc (find_input_containing_global): New function.
3442         (dump_incremental_inputs): Dump new incremental info sections.
3443         * incremental.cc: Include symtab.h.
3444         (Output_section_incremental_inputs): New class.
3445         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3446         new incremental info sections.
3447         (Sized_incremental_binary::do_check_inputs): Likewise.
3448         (Incremental_inputs::report_archive): Remove.
3449         (Incremental_inputs::report_archive_begin): New function.
3450         (Incremental_inputs::report_archive_end): New function.
3451         (Incremental_inputs::report_object): New function.
3452         (Incremental_inputs::finalize_inputs): Remove.
3453         (Incremental_inputs::report_input_section): New function.
3454         (Incremental_inputs::report_script): Rewrite.
3455         (Incremental_inputs::finalize): Do nothing but finalize string table.
3456         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3457         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3458         (Incremental_inputs::create_data_sections): New function.
3459         (Incremental_inputs::relocs_entsize): New function.
3460         (Output_section_incremental_inputs::set_final_data_size): New function.
3461         (Output_section_incremental_inputs::do_write): New function.
3462         (Output_section_incremental_inputs::write_header): New function.
3463         (Output_section_incremental_inputs::write_input_files): New function.
3464         (Output_section_incremental_inputs::write_info_blocks): New function.
3465         (Output_section_incremental_inputs::write_symtab): New function.
3466         * incremental.h (Incremental_script_entry): Forward declaration.
3467         (Incremental_object_entry): Forward declaration.
3468         (Incremental_archive_entry): Forward declaration.
3469         (Incremental_inputs): Forward declaration.
3470         (Incremental_inputs_header_data): Remove.
3471         (Incremental_inputs_header): Remove.
3472         (Incremental_inputs_header_write): Remove.
3473         (Incremental_inputs_entry_data): Remove.
3474         (Incremental_inputs_entry): Remove.
3475         (Incremental_inputs_entry_write): Remove.
3476         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3477         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3478         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3479         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3480         Likewise.
3481         (Incremental_input_entry): New class.
3482         (Incremental_script_entry): New class.
3483         (Incremental_object_entry): New class.
3484         (Incremental_archive_entry): New class.
3485         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3486         (Incremental_inputs::report_inputs): Remove.
3487         (Incremental_inputs::report_archive): Remove.
3488         (Incremental_inputs::report_archive_begin): New function.
3489         (Incremental_inputs::report_archive_end): New function.
3490         (Incremental_inputs::report_object): Change prototype.
3491         (Incremental_inputs::report_input_section): New function.
3492         (Incremental_inputs::report_script): Change prototype.
3493         (Incremental_inputs::get_reloc_count): New function.
3494         (Incremental_inputs::set_reloc_count): New function.
3495         (Incremental_inputs::create_data_sections): New function.
3496         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3497         (Incremental_inputs::inputs_section): New function.
3498         (Incremental_inputs::symtab_section): New function.
3499         (Incremental_inputs::relocs_section): New function.
3500         (Incremental_inputs::get_stringpool): Add const.
3501         (Incremental_inputs::command_line): Add const.
3502         (Incremental_inputs::inputs): Remove.
3503         (Incremental_inputs::command_line_key): New function.
3504         (Incremental_inputs::input_file_count): New function.
3505         (Incremental_inputs::input_files): New function.
3506         (Incremental_inputs::relocs_entsize): New function.
3507         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3508         (Incremental_inputs::finalize_inputs): Remove.
3509         (Incremental_inputs::Input_info): Remove.
3510         (Incremental_inputs::lock_): Remove.
3511         (Incremental_inputs::inputs_): Change type.
3512         (Incremental_inputs::inputs_map_): Remove.
3513         (Incremental_inputs::current_object_entry_): New data member.
3514         (Incremental_inputs::inputs_section_): New data member.
3515         (Incremental_inputs::symtab_section_): New data member.
3516         (Incremental_inputs::relocs_section_): New data member.
3517         (Incremental_inputs::reloc_count_): New data member.
3518         (Incremental_inputs_reader): New class.
3519         (Incremental_symtab_reader): New class.
3520         (Incremental_relocs_reader): New class.
3521         * layout.cc (Layout::finalize): Move finalization of incremental info
3522         and creation of incremental info sections to follow finalization of
3523         symbol table.  Set offsets for postprocessing sections.
3524         (Layout::create_incremental_info_sections): Call
3525         Incremental_inputs::create_data_sections.  Add incremental symtab
3526         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3527         sections to layout after input sections.
3528         * layout.h (struct Timespec): Forward declaration.
3529         (Layout::incremental_inputs): Add const.
3530         (Layout::create_incremental_info_sections): Add parameter.
3531         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3532         * object.cc: Include incremental.h.
3533         (Relobj::finalize_incremental_relocs): New function.
3534         (Sized_relobj::do_layout): Record input sections in incremental info.
3535         * object.h (Object::output_section): New function.
3536         (Object::output_section_offset): Moved from Relobj.
3537         (Object::get_incremental_reloc_base): New function.
3538         (Object::get_incremental_reloc_count): New function.
3539         (Object::do_output_section): New function.
3540         (Object::do_output_section_offset): Moved from Relobj.
3541         (Object::do_get_incremental_reloc_base): New function.
3542         (Object::do_get_incremental_reloc_count): New function.
3543         (Object::Object): Initialize new data members.
3544         (Relobj::output_section): Renamed do_output_section and moved to
3545         protected.
3546         (Relobj::output_section_offset): Moved to Object.
3547         (Relobj::do_get_incremental_reloc_base): New function.
3548         (Relobj::do_get_incremental_reloc_count): New function.
3549         (Relobj::allocate_incremental_reloc_counts): New function.
3550         (Relobj::count_incremental_reloc): New function.
3551         (Relobj::finalize_incremental_relocs): New function.
3552         (Relobj::next_incremental_reloc_index): New function.
3553         (Relobj::reloc_counts_): New data member.
3554         (Relobj::reloc_bases_): New data member.
3555         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3556         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3557         (Sized_relobj::incremental_relocs_scan): New function.
3558         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3559         (Sized_relobj::incremental_relocs_write): New function.
3560         (Sized_relobj::incremental_relocs_write_reltype): New function.
3561         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3562         incremental link.
3563         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3564         archives and object files elsewhere.
3565         (Add_symbols::run): Report object files here.
3566         (Finish_group::run): Report end of archive at end of group.
3567         * reloc.cc: Include layout.h, incremental.h.
3568         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3569         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3570         (Sized_relobj::incremental_relocs_scan): New function.
3571         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3572         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3573         (Sized_relobj::incremental_relocs_write): New function.
3574         (Sized_relobj::incremental_relocs_write_reltype): New function.
3575         * script.cc (read_input_script): Rewrite test for incremental link.
3576         Change call to Incremental_inputs::report_script.
3577         * symtab.h (Symbol_table::first_global_index): New function.
3578         (Symbol_table::output_count): New function.
3579
3580 2010-08-12  Doug Kwan  <dougkwan@google.com>
3581
3582         * arm.cc (Target_arm::merge_object_attributes): Check command line
3583         options --no-wchar-size-warning and --no-enum-size-warning.
3584         * options.h (General_options): Add ld-compatible options
3585         --no-enum-size-warning and --no-wchar-size-warning.
3586
3587 2010-08-04  Ian Lance Taylor  <iant@google.com>
3588
3589         * x86_64.cc (Target_x86_64::Scan::local): Use
3590         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3591         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3592         (Target_x86_64::Scan::global): Likewise.
3593         (Target_x86_64::Relocate::relocate): Likewise.
3594         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3595         Likewise.
3596
3597 2010-08-03  Cary Coutant  <ccoutant@google.com>
3598
3599         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3600         to reserve space in merged_strings vector. Keep total input size
3601         for stats.
3602         (Output_merge_string::do_print_merge_stats): Print total input size.
3603         * merge.h (Output_merge_string): Add input_size_ field.
3604         * stringpool.cc (Stringpool_template::string_length): Move
3605         implementations out of Stringpool_template class and place in
3606         stringpool.h.
3607         * stringpool.h (string_length): Move out of Stringpool_template.
3608
3609 2010-08-03  Ian Lance Taylor  <iant@google.com>
3610
3611         PR 11712
3612         * layout.cc (relaxation_loop_body): If address of load segment is
3613         set, adjust address to include headers if possible.
3614
3615 2010-08-03  Ian Lance Taylor  <iant@google.com>
3616
3617         * version.cc (version_string): Bump to 1.10.
3618
3619 2010-08-03  Ian Lance Taylor  <iant@google.com>
3620
3621         PR 11805
3622         * layout.h (enum Output_section_order): Define.
3623         (class Layout): Update declarations.
3624         * layout.cc (Layout::get_output_section): Add order parameter.
3625         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3626         is_first_non_relro parameters.  Change all callers.
3627         (Layout::choose_output_section): Likewise.
3628         (Layout::add_output_section_data): Likewise.
3629         (Layout::make_output_section): Likewise.  Set order.
3630         (Layout::default_section_order): New function.
3631         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3632         * output.cc (Output_section::Output_section): Initialize order_.
3633         Don't initialize deleted fields.
3634         (Output_segment::Output_segment): Don't initialize deleted
3635         fields.
3636         (Output_segment::add_output_section_to_load): New function
3637         replacing add_output_section.  Change all callers to call this or
3638         add_output_section_to_nonload.
3639         (Output_segment::add_output_section_to_nonload): New function.
3640         (Output_segment::remove_output_section): Rewrite.
3641         (Output_segment::add_initial_output_data): Likewise.
3642         (Output_segment::has_any_data_sections): Likewise.
3643         (Output_segment::is_first_section_relro): Likewise.
3644         (Output_segment::maximum_alignment): Likewise.
3645         (Output_segment::has_dynamic_reloc): New function replacing
3646         dynamic_reloc_count.  Change all callers.
3647         (Output_segment::has_dynamic_reloc_list): New function replacing
3648         dynamic_reloc_count_list.  Change all callers.
3649         (Output_segment::set_section_addresses): Rewrite.
3650         (Output_segment::set_offset): Rewrite.
3651         (Output_segment::find_first_and_last_list): Remove.
3652         (Output_segment::set_tls_offsets): Rewrite.
3653         (Output_segment::first_section_load_address): Likewise.
3654         (Output_segment::output_section_count): Likewise.
3655         (Output_segment::section_with_lowest_load_address): Likewise.
3656         (Output_segment::write_section_headers): Likewise.
3657         (Output_segment::print_sections_to_map): Likewise.
3658         * output.h (class Output_data): Remove dynamic_reloc_count_
3659         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3660         (Output_data::add_dynamic_reloc): Rewrite.
3661         (Output_data::has_dynamic_reloc): New function.
3662         (Output_data::dynamic_reloc_count): Remove.
3663         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3664         is_last_relro_, is_first_non_relro_, is_interp_,
3665         is_dynamic_linker_section_ fields.  Add order and set_order
3666         functions.  Remove is_relro_local, set_is_relro_local,
3667         is_last_relro, set_is_last_relro, is_first_non_relro,
3668         set_is_first_non_relro functions, is_interp, set_is_interp,
3669         is_dynamic_linker_section, and set_is_dynamic_linker_section
3670         functions.
3671         (class Output_segment): Change Output_data_list from std::list to
3672         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3673         output_bss_ fields.  Update declarations.
3674
3675 2010-08-02  Ian Lance Taylor  <iant@google.com>
3676
3677         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3678         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3679         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3680
3681 2010-08-02  Ian Lance Taylor  <iant@google.com>
3682
3683         PR 11855
3684         * script.cc (Script_options::Script_options): Initialize
3685         symbol_definitions_ and symbol_references_.
3686         (Script_options::add_symbol_assignment): Update
3687         symbol_definitions_ and symbol_references_.
3688         (Script_options::add_symbol_reference): New function.
3689         (script_symbol): New function.
3690         * script.h (class Script_options): Add symbol_definitions_ and
3691         symbol_references_ fields.
3692         (Script_options::referenced_const_iterator): New type.
3693         (Script_options::referenced_begin): New function.
3694         (Script_options::referenced_end): New function.
3695         (Script_options::is_referenced): New function.
3696         (Script_options::any_unreferenced): New function.
3697         * script-c.h (script_symbol): Declare.
3698         * yyscript.y (exp): Call script_symbol.
3699         * symtab.cc: Include "script.h".
3700         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3701         Change all callers.  Check symbols referenced by scripts.
3702         (Symbol_table::add_undefined_symbols_from_command_line): Add
3703         layout parameter.  Change all callers.
3704         (Symbol_table::do_add_undefined_symbols_from_command_line):
3705         Likewise.  Break out loop body.  Check symbols referenced by
3706         scripts.
3707         (Symbol_table::add_undefined_symbol_from_command_line): New
3708         function broken out of
3709         do_add_undefined_symbols_from_command_line.
3710         * symtab.h (class Symbol_table): Update declarations.
3711         * archive.cc: Include "layout.h".
3712         (Archive::should_include_member): Add layout parameter.  Change
3713         all callers.  Check for symbol mentioned in expression.
3714         * archive.h (class Archive): Update declaration.
3715         * object.cc (Sized_relobj::do_should_include_member): Add layout
3716         parameter.
3717         * object.h (Object::should_include_member): Add layout parameter.
3718         Change all callers.
3719         (Object::do_should_include_member): Add layout parameter.
3720         (class Sized_relobj): Update declaration.
3721         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3722         parameter.
3723         * dynobj.h (class Sized_dynobj): Update declaration.
3724         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3725         layout parameter.
3726         * plugin.h (class Sized_pluginobj): Update declaration.
3727
3728 2010-08-02  Ian Lance Taylor  <iant@google.com>
3729
3730         PR 11866
3731         * output.cc (Output_segment::set_offset): Search for the first and
3732         last sections rather than assuming that the list is in order.
3733         (Output_segment::find_first_and_last_list): New function.
3734         * output.h (class Output_segment): Update declarations.
3735         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3736         (relro_strip_test_SOURCES): New variable.
3737         (relro_strip_test_DEPENDENCIES): New variable.
3738         (relro_strip_test_LDFLAGS): New variable.
3739         (relro_strip_test_LDADD): New variable.
3740         (relro_strip_test.so): New target.
3741
3742 2010-08-02  Ian Lance Taylor  <iant@google.com>
3743
3744         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3745         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3746         (Target_i386::got_tlsdesc_section): New function.
3747         (Target_i386::got_section): Create space for GOT entries for
3748         TLSDESC relocations.
3749         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3750         R_386_TLS_GOTDESC.
3751         (Target_i386::Scan::global): Likewise.
3752         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3753         using TLSDESC GOT.
3754         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3755         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3756         (Target_x86_64::got_tlsdesc_section): New function.
3757         (Target_x86_64::got_section): Create space for GOT entries for
3758         TLSDESC relocations.
3759         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3760         R_386_TLS_GOTDESC.
3761         (Target_x86_64::Scan::global): Likewise.
3762         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3763         using TLSDESC GOT.
3764
3765 2010-08-02  Ian Lance Taylor  <iant@google.com>
3766
3767         * testsuite/final_layout.sh: Use dc to convert from hex to
3768         decimal.
3769
3770 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3771
3772         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3773         paramter to the call to gold::gc_process_relocs.
3774         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3775         paramter to the call to gold::gc_process_relocs.
3776         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3777         parameter to the call to gold::gc_process_relocs.
3778         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3779         template parameter to the call to gold::gc_process_relocs.
3780         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3781         paramter to the call to gold::gc_process_relocs.
3782         * gc.h (get_embedded_addend_size): New function.
3783         (gc_process_relocs): Save the size of the reloc for use by ICF.
3784         * icf.cc (get_section_contents): Get the addend from the text section
3785         for SHT_REL relocation sections.
3786         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3787         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3788         * int_encoding.h (read_from_pointer): New overloaded function.
3789         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3790         * testsuite/icf_sht_rel_addend_test.sh: New file.
3791         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3792         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3793
3794 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3795
3796         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3797         * Makefile.in: Regenerate.
3798         * testsuite/Makefile.in: Regenerate.
3799
3800 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3801
3802         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3803         * gold/testsuite/debug_msg.cc: Likewise.
3804         * gold/testsuite/odr_violation1.cc
3805         * gold/testsuite/odr_violation2.cc
3806
3807 2010-07-21  Cary Coutant  <ccoutant@google.com>
3808
3809         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3810         string, and length fields.
3811         (Output_merge_string::Merged_strings_list): New type.
3812         (Output_merge_string::Merged_strings_lists): New typedef.
3813         (Output_merge_string): Replace merged_strings_ with
3814         merged_strings_lists_.
3815         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3816         Merged_strings_list per input object and section.  Don't store pointer
3817         to the string.  Don't store length with each merged string entry.
3818         (Output_merge_string::finalize_merged_data): Loop over list of merged
3819         strings lists.  Recompute length of each merged string.
3820
3821 2010-07-15  Cary Coutant  <ccoutant@google.com>
3822
3823         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3824         here.
3825
3826 2010-07-14  Ian Lance Taylor  <iant@google.com>
3827
3828         * descriptors.cc (Descriptors::open): Report correct name in error
3829         message.
3830
3831 2010-07-13  Doug Kwan  <dougkwan@google.com>
3832
3833         * arm.cc (Arm_input_section::Arm_input_section): For a
3834         SHT_ARM_EXIDX section, always keeps the input sections.
3835         (Arm_input_section::set_exidx_section_link): New method.
3836         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3837         has_errors_ to false.
3838         (Arm_exidx_input_section::has_errors,
3839         Arm_exidx_input_section::set_has_errors): New methods.
3840         (Arm_exidx_input_section::has_errors_): New data member.
3841         (Arm_relobj::get_exidx_shndx_list): New method.
3842         (Arm_output_section::append_text_sections_to_list): Do not skip
3843         section without SHF_EXECINSTR.
3844         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3845         errors.
3846         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3847         section header.  Make error messages more verbose.  Check for
3848         a non-executable section linked to an EXIDX section.
3849         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3850         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3851         check that there is no deferred EXIDX section if we exit early.
3852         Instead of not making an EXIDX section in case of an error, make one
3853         and set the has_errors flag of it.
3854         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3855         in a relocatable link.
3856         (Target_arm::do_relax): Look for the EXIDX output section instead of
3857         assuming that it is called .ARM.exidx.
3858         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3859         section list.  Do not check for SHF_EXECINSTR section flags but
3860         skip any input section with errors.
3861         * output.cc (Output_section::Output_section): Initialize
3862         always_keeps_input_sections_ to false.
3863         (Output_section::add_input_section): Check for
3864         always_keeps_input_sections_.
3865         *  output.h (Output_section::always_keeps_input_sections,
3866         Output_section::set_always_keeps_input_sections): New methods.
3867         (Output_section::always_keeps_input_sections): New data member.
3868
3869 2010-07-13  Rafael Espindola  <espindola@google.com>
3870
3871         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3872         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3873
3874 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3875             Ian Lance Taylor  <iant@google.com>
3876
3877         * output.h (Output_section_lookup_maps::add_merge_section):
3878         Correct check of whether value was inserted.
3879         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3880         (Output_section_lookup_maps::add_relaxed_input_section):
3881         Likewise.
3882         * arm.cc (Target_arm::got_section): Remove used local os.
3883         * i386.cc (Target_i386::got_section): Likewise.
3884         * x86_64.cc (Target_x86_64::got_section): Likewise.
3885         * sparc.cc (Target_sparc::got_section): Likewise.
3886         (Target_sparc::relocate): Remove unused local have_got_offset.
3887         * powerpc.cc (Target_powerpc::relocate): Likewise.
3888
3889 2010-07-13  Ian Lance Taylor  <iant@google.com>
3890
3891         * compressed_output.cc (zlib_decompress): Fix signature in
3892         !HAVE_ZLIB_H case.
3893
3894         * archive.cc (Archive::include_member): Unlock an external member
3895         of a thin archive.  Don't bother to delete an object we know is
3896         NULL.
3897
3898 2010-07-12  Cary Coutant  <ccoutant@google.com>
3899
3900         * compressed_output.cc (zlib_decompress): New function.
3901         (get_uncompressed_size): New function.
3902         (decompress_input_section): New function.
3903         * compressed_output.h (get_uncompressed_size): New function.
3904         (decompress_input_section): New function.
3905         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3906         Handle compressed debug sections.
3907         * layout.cc (is_compressed_debug_section): New function.
3908         (Layout::output_section_name): Map compressed section names to
3909         canonical names.
3910         * layout.h (is_compressed_debug_section): New function.
3911         (is_debug_info_section): Recognize compressed debug sections.
3912         * merge.cc: Include compressed_output.h.
3913         (Output_merge_data::do_add_input_section): Handle compressed
3914         debug sections.
3915         (Output_merge_string::do_add_input_section): Handle compressed
3916         debug sections.
3917         * object.cc: Include compressed_output.h.
3918         (Sized_relobj::Sized_relobj): Initialize new data members.
3919         (build_compressed_section_map): New function.
3920         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3921         * object.h (Object::section_is_compressed): New method.
3922         (Object::do_section_is_compressed): New method.
3923         (Sized_relobj::Compressed_section_map): New type.
3924         (Sized_relobj::do_section_is_compressed): New method.
3925         (Sized_relobj::compressed_sections_): New data member.
3926         * output.cc (Output_section::add_input_section): Handle compressed
3927         debug sections.
3928         * reloc.cc: Include compressed_output.h.
3929         (Sized_relobj::write_sections): Handle compressed debug sections.
3930
3931 2010-07-08  Cary Coutant  <ccoutant@google.com>
3932
3933         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3934         weak when resolving to a dynamic def.
3935         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3936         for weak undef/dynamic def cases. Adjust callers.
3937         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3938         undef_binding_weak_.
3939         (Symbol_table::sized_write_globals): Adjust symbol binding.
3940         (Symbol_table::sized_write_symbol): Add binding parameter.
3941         * symtab.h (Symbol::set_undef_binding): New method.
3942         (Symbol::is_undef_binding_weak): New method.
3943         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3944         (Symbol_table::should_override): Add new parameter.
3945         (Symbol_table::sized_write_symbol): Add new parameter.
3946
3947         * testsuite/weak_undef_file1.cc: Add new test case.
3948         * testsuite/weak_undef_file2.cc: Fix header comment.
3949         * testsuite/weak_undef_test.cc: Add new test case.
3950
3951 2010-06-29  Doug Kwan  <dougkwan@google.com>
3952
3953         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3954         Initialize USE_SYMBOL_.
3955         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3956         definition.
3957         (Arm_reloc_property::uses_symbol_): New data member declaration.
3958         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3959         uses symbol value and symbol is undefined but not weakly undefined.
3960
3961 2010-06-28  Rafael Espindola  <espindola@google.com>
3962
3963         * plugin.cc (Plugin::load): Use dlerror.
3964
3965 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3966
3967         * symtab.cc (detect_odr_violations): When reporting an ODR
3968         violation, report an object where the symbol is defined.
3969
3970 2010-06-25  Doug Kwan  <dougkwan@google.com>
3971
3972         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3973         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3974         definition.
3975         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3976         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3977         target hook to detect function points.
3978         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3979         * icf.h (Icf::check_section_for_function_pointers): Change type of
3980         parameter SECTION_NAME to const reference to std::string.  Use
3981         target hook to determine if section may have unsafe pointers.
3982         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3983         method definition.
3984
3985 2010-06-21  Rafael Espindola  <espindola@google.com>
3986
3987         * fileread.cc (Input_file::find_fie): New
3988         (Input_file::open): Use Input_file::find_fie.
3989         * fileread.h (Input_file::find_fie): New
3990         * plugin.cc (set_extra_library_path): New.
3991         (Plugin::load): Add set_extra_library_path to the transfer vector.
3992         (Plugin_manager::set_extra_library_path): New.
3993         (Plugin_manager::add_input_file): Use the extra search path if set.
3994         (set_extra_library_path(): New.
3995         * plugin.h (Plugin_manager): Add set_extra_library_path and
3996         extra_search_path_.
3997
3998 2010-06-19  Cary Coutant  <ccoutant@google.com>
3999
4000         * layout.cc (gdb_sections): Add .debug_types.
4001         (lines_only_debug_sections): Likewise.
4002
4003 2010-06-18  Rafael Espindola  <espindola@google.com>
4004
4005         * plugin.cc (add_input_file,add_input_library)
4006         (Plugin_manager::add_input_file): Make filename arguments const.
4007         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4008         const.
4009
4010 2010-06-16  Doug Kwan  <dougkwan@google.com>
4011
4012         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4013         .ARM.attributes section if we have not merged any input
4014         attributes sections.
4015
4016 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4017
4018         * arm.cc: Allow combining objects with no EABI version
4019         information.
4020
4021 2010-06-15  Rafael Espindola  <espindola@google.com>
4022
4023         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4024
4025 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4026
4027         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4028         (struct iovec): Correct !HAVE_READV definition.
4029
4030 2010-06-10  Cary Coutant  <ccoutant@google.com>
4031
4032         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4033         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4034         reloc sections.
4035         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4036
4037         PR 11683
4038         * symtab.h (Symbol::is_placeholder): New member function.
4039         * target-reloc.h (relocate_section): Check for placeholder symbols.
4040
4041         * testsuite/Makefile.am (plugin_test_8): New test.
4042         (plugin_test_9): New test.
4043         * testsuite/Makefile.in: Regenerate.
4044
4045 2010-06-09  Nick Clifton  <nickc@redhat.com>
4046
4047         * yyscript.y (input_list_element): Allow strings prefixed with
4048         the '-' character.  Treat these as libraries.
4049         * script.cc (script_add_library): New function.  Adds a library
4050         specified by "-l<name>" found in an input script.
4051         * script-c.h: Add prototype for script_add_library.
4052
4053 2010-06-07  Doug Kwan  <dougkwan@google.com>
4054
4055         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4056         Restrict stub-group size to be within long conditional branch
4057         range when working around cortex-A8 erratum.
4058
4059 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4060
4061         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4062         #ifdef typo.
4063
4064 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4065
4066         PR gold/11658
4067         * output.cc
4068         (Output_section::Input_section_sort_entry::compare_section_ordering):
4069         Change to return non-zero correctly.
4070         (Output_section::Input_section_sort_section_order_index_compare
4071         ::operator()): Change to fix ambiguity in comparisons.
4072
4073 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4074
4075         * gold.h (is_wildcard_string): New function.
4076         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4077         (Layout::layout_eh_frame): Ditto.
4078         (Layout::find_section_order_index): New method.
4079         (Layout::read_layout_from_file): New method.
4080         * layout.h (Layout::find_section_order_index): New method.
4081         (Layout::read_layout_from_file): New method.
4082         (Layout::input_section_position_): New private member.
4083         (Layout::input_section_glob_): New private member.
4084         * main.cc (main): Call read_layout_from_file here.
4085         * options.h (--section-ordering-file): New option.
4086         * output.cc (Output_section::input_section_order_specified_): New
4087         member.
4088         (Output_section::Output_section): Initialize new member.
4089         (Output_section::add_input_section): Add new parameter.
4090         Keep input sections when --section-ordering-file is used.
4091         (Output_section::set_final_data_size): Sort input sections when
4092         section ordering file is specified.
4093         (Output_section::Input_section_sort_entry): Add new parameter.
4094         Check sorting type.
4095         (Output_section::Input_section_sort_entry::compare_section_ordering):
4096         New method.
4097         (Output_section::Input_section_sort_compare::operator()): Change to
4098         consider section_order_index.
4099         (Output_section::Input_section_sort_init_fini_compare::operator()):
4100         Change to consider section_order_index.
4101         (Output_section::Input_section_sort_section_order_index_compare
4102         ::operator()): New method.
4103         (Output_section::sort_attached_input_sections): Change to sort
4104         according to section order when specified.
4105         (Output_section::add_input_section<32, true>): Add new parameter.
4106         (Output_section::add_input_section<64, true>): Add new parameter.
4107         (Output_section::add_input_section<32, false>): Add new parameter.
4108         (Output_section::add_input_section<64, false>): Add new parameter.
4109         * output.h (Output_section::add_input_section): Add new parameter.
4110         (Output_section::input_section_order_specified): New
4111         method.
4112         (Output_section::set_input_section_order_specified): New method.
4113         (Input_section::Input_section): Initialize section_order_index_.
4114         (Input_section::section_order_index): New method.
4115         (Input_section::set_section_order_index): New method.
4116         (Input_section::section_order_index_): New member.
4117         (Input_section::Input_section_sort_section_order_index_compare): New
4118         struct.
4119         (Output_section::input_section_order_specified_): New member.
4120         * script-sections.cc (is_wildcard_string): Delete and move modified
4121         method to gold.h.
4122         (Output_section_element_input::Output_section_element_input): Modify
4123         call to is_wildcard_string.
4124         (Output_section_element_input::Input_section_pattern
4125         ::Input_section_pattern): Ditto.
4126         (Output_section_element_input::Output_section_element_input): Ditto.
4127         * testsuite/Makefile.am (final_layout): New test case.
4128         * testsuite/Makefile.in: Regenerate.
4129         * testsuite/final_layout.cc: New file.
4130         * testsuite/final_layout.sh: New file.
4131
4132 2010-06-01  Rafael Espindola  <espindola@google.com>
4133
4134         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4135
4136 2010-06-01  Rafael Espindola  <espindola@google.com>
4137
4138         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4139         visibility of symbols.
4140
4141 2010-05-27  Doug Kwan  <dougkwan@google.com>
4142
4143         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4144         from start of output section instead of address for a local symbol
4145         in a merged or relaxed section when doing a relocatable link.
4146
4147 2010-05-26  Rafael Espindola  <espindola@google.com>
4148
4149        PR 11604
4150         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4151         adding sections the garbage collector removed.
4152         * gold/testsuite/Makefile.am: Add test.
4153         * gold/testsuite/Makefile.in: Regenerate.
4154         * gold/testsuite/plugin_test_7.sh: New.
4155         * gold/testsuite/plugin_test_7_1.c: New.
4156         * gold/testsuite/plugin_test_7_2.c: New.
4157
4158 2010-05-26  Rafael Espindola  <espindola@google.com>
4159
4160         * script-sections.cc (Output_section_definition::set_section_addresses):
4161         Check for --section-start.
4162
4163 2010-05-26  Doug Kwan  <dougkwan@google.com>
4164
4165         * arm.cc (Arm_scan_relocatable_relocs): New class.
4166         (Target_arm::relocate_special_relocatable): New method.
4167         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4168         (Arm_relocate_functions::thumb_branch_common): Same.
4169         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4170         instead of Default_scan_relocatable_relocs.
4171         * target-reloc.h (relocate_for_relocatable): Let target handle
4172         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4173         * target.h (Sized_target::relocate_special_relocatable): New method.
4174
4175 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4176
4177         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4178
4179 2010-05-23  Doug Kwan  <dougkwan@google.com>
4180
4181         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4182         instead of a cast.
4183         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4184         with a direct branch, not a conditional branch, to a stub.
4185         * merge.cc (Output_merge_base::record_input_section): New method
4186         defintion.
4187         (Output_merge_data::do_add_input_section): Record input section if
4188         keeps-input-sections flag is set.
4189         (Output_merge_string::do_add_input_section): Ditto.
4190         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4191         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4192         INPUT_SECTIONS_.
4193         (Output_merge_base::keeps_input_sections,
4194         Output_merge_base::set_keeps_input_sections,
4195         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4196         method definitions.
4197         (Output_merge_base::Input_sections): New type declaration.
4198         (Output_merge_base::input_sections_begin,
4199         Output_merge_base::input_sections_end,
4200         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4201         (Output_merge_base::bool keeps_input_sections_,
4202         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4203         Output_merge_base::input_sections_): New data members.
4204         (Output_merge_data::do_set_keeps_input_sections): New method
4205         defintion.
4206         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4207         * output.cc (Output_section::Input_section::relobj): Move method
4208         defintion from class declaration to here and handle merge sections.
4209         (Output_section::Input_section::shndx): Ditto.
4210         (Output_section::Output_section): Remove initializations of removed
4211         data members and initialize new data member LOOKUP_MAPS_.
4212         (Output_section::add_input_section): Set keeps-input-sections flag
4213         for a newly created merge output section as appropriate.  Adjust code
4214         to use Output_section_lookup_maps class.
4215         (Output_section::add_relaxed_input_section): Adjst code for lookup
4216         maps code refactoring.
4217         (Output_section::add_merge_input_section): Add a new parameter
4218         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4219         class.  If adding input section to a newly created merge output
4220         section fails, remove the new merge section.
4221         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4222         Adjust code for use of the Output_section_lookup_maps class.
4223         (Output_section::find_merge_section): Ditto.
4224         (Output_section::build_lookup_maps): New method defintion.
4225         (Output_section::find_relaxed_input_section): Adjust code to use
4226         Output_section_lookup_maps class.
4227         (Output_section::get_input_sections): Export merge sections.  Adjust
4228         code to use Output_section_lookup_maps class.
4229         (Output_section:::add_script_input_section): Adjust code to use
4230         Output_section_lookup_maps class.  Update lookup maps for merge
4231         sections also.
4232         (Output_section::discard_states): Use Output_section_lookup_maps.
4233         (Output_section::restore_states): Same.
4234         * output.h (Merge_section_properties): Move class defintion out of
4235         Output_section.
4236         (Output_section_lookup_maps): New class.
4237         (Output_section::Input_section::is_merge_section): New method
4238         defintion.
4239         (Output_section::Input_section::relobj): Move defintion out of class
4240         defintion.  Declare method only.
4241         (Output_section::Input_section::shndx): Ditto.
4242         (Output_section::Input_section::output_merge_base): New method defintion.
4243         (Output_section::Input_section::u2_.pomb): New union field.
4244         (Output_section::Merge_section_by_properties_map,
4245         Output_section::Output_section_data_by_input_section_map,
4246         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4247         Remove types.
4248         (Output_section::add_merge_input_section): Add new parameter
4249         KEEPS_INPUT_SECTIONS.
4250         (Output_section::build_lookup_maps): New method declaration.
4251         (Output_section::merge_section_map_,
4252         Output_section::merge_section_by_properties_map_,
4253         Output_section::relaxed_input_section_map_,
4254         Output_section::is_relaxed_input_section_map_valid_): Remove data
4255         members.
4256         (Output_section::lookup_maps_): New data member.
4257
4258 2010-05-21  Doug Kwan  <dougkwan@google.com>
4259
4260         PR gold/11619
4261         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4262         avoid a compilation error.
4263
4264 2010-05-19  Rafael Espindola  <espindola@google.com>
4265
4266         * script-sections.cc (Output_section_definition::allocate_to_segment):
4267         Update the phdrs_list even when the output section is NULL.
4268         * testsuite/Makefile.am: Add test.
4269         * testsuite/Makefile.in: Regenerate.
4270         * testsuite/script_test_9.cc: New.
4271         * testsuite/script_test_9.sh: New.
4272         * testsuite/script_test_9.t: New.
4273
4274 2010-05-19  Doug Kwan  <dougkwan@google.com>
4275
4276         * arm.cc (Arm_input_section::original_size): New method.
4277         (Arm_input_section::do_addralign): Add a cast.
4278         (Arm_input_section::do_output_offset): Remove static cast.
4279         (Arm_input_section::original_addralign,
4280          Arm_input_section::original_size_): Change type to uint32_t.
4281         (Arm_input_section::init): Add safe casts for section alignment
4282         and size.
4283         (Arm_input_section::set_final_data_size): Do not set address and
4284         offset of stub table.
4285         (Arm_output_section::fix_exidx_coverage): Change use of of
4286         Output_section::Simple_input_section to that of
4287         Output_section::Input_section.
4288         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4289         except for the first pass.
4290         * output.cc (Output_section::get_input_sections): Change type of
4291         input_sections to std::list<Input_section>.
4292         (Output_section::add_script_input_section): Rename from
4293         Output_section::add_simple_input_section.  Change type of SIS
4294         parameter from Simple_input_section to Input_section.
4295         * output.h (Output_section::Simple_input_section): Remove class.
4296         (Output_section::Input_section): Change class visibility to public.
4297         (Output_section::Input_section::addralign): Use stored alignments
4298         for special input sections if set.
4299         (Output_section::Input_section::set_addralign): New method.
4300         (Output_section::get_input_sections): Change parameter type from
4301         list of Simple_input_section to list of Input_section.
4302         (Output_section::add_script_input_section): Rename from
4303         Output_section::add_simple_input_section. Change first parameter's
4304         type from Simple_input_section to Input_section and remove the
4305         second and third parameters.
4306         * script-sections.cc (Input_section::Input_section_list): Change
4307         type to list of Output_section::Input_section/
4308         (Input_section_info::Input_section_info): Change parameter type of
4309         INPUT_SECTION to Output_section::Input_section.
4310         (Input_section_info::input_section): Change return type.
4311         (Input_section_info::input_section_): Change type to
4312         Output_section::Input_section.
4313         (Output_section_element_input::set_section_addresses): Adjust code
4314         to use Output_section::Input_section instead of
4315         Output_section::Simple_input_section.  Adjust code for renaming
4316         of Output_section::add_simple_input_section.
4317         (Orphan_output_section::set_section_addresses): Ditto.
4318
4319 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4320
4321         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4322         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4323
4324 2010-05-18  Rafael Espindola  <espindola@google.com>
4325
4326         * options.cc (General_options::finalize): Handle -nostdlib.
4327         * options.h (nostdlib): New option.
4328         * script.cc (script_add_search_dir): Handle -nostdlib.
4329
4330 2010-05-12  Doug Kwan  <dougkwan@google.com>
4331
4332         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4333         attributes section only if there no attributes section after merging.
4334         (Target_arm::merge_object_attributes): Move value of
4335         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4336         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4337         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4338         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4339         and arm_attr_merge_7.stdout.
4340         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4341         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4342         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4343         arm_attr_merge_7b.o): New rules.
4344         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4345         arm_attr_merge_7
4346         * testsuite/Makefile.in: Regenerate.
4347         * testsuite/arm_attr_merge.sh: New file.
4348         * testsuite/arm_attr_merge_[67][ab].s: Same.
4349
4350 2010-05-05  Nick Clifton  <nickc@redhat.com>
4351
4352         * po/es.po: Updated Spanish translation.
4353
4354 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4355
4356         * Makefile.am (install-exec-local): Properly install gold as
4357         default cross linker.
4358         * Makefile.in: Regenerated.
4359
4360 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4361             Nick Clifton  <nickc@redhat.com>
4362
4363         * configure.ac (install_as_default): Define and set to false
4364         unless --enable-gold or --enable-gold=both/gold has been
4365         specified.
4366         * configure: Regenerate.
4367
4368         * Makefile.am (install-exec-local): Install the executable as
4369         'ld.gold'.  If install_as_default is true then also install it as
4370         'ld'.
4371         * Makefile.in: Regenerated.
4372
4373 2010-04-24  Ian Lance Taylor  <iant@google.com>
4374
4375         * layout.cc (Layout::layout_reloc): In relocatable link don't
4376         combine reloc sections for grouped sections.
4377
4378 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4379
4380         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4381         sections that are not ordinary to icf.
4382         * icf.cc (get_section_contents): Handle relocation pointing to section
4383         with no object or shndx information.
4384         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4385         * testsuite/Makefile.in: Regenerate.
4386         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4387         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4388
4389 2010-04-22  Ian Lance Taylor  <iant@google.com>
4390
4391         * expression.cc (Expression::Expression_eval_info): Add
4392         result_alignment_pointer field.
4393         (Expression::eval_with_dot): Add result_alignment_pointer
4394         parameter.  Change all callers.
4395         (Expression::eval_maybe_dot): Likewise.
4396         (class Binary_expression): Add alignment_pointer parameter to
4397         left_value and right_value.  Change all callers.
4398         (BINARY_EXPRESSION): Set result alignment.
4399         (class Trinary_expression): Add alignment_pointer parameter to
4400         arg2_value and arg3_value.  Change all callers.
4401         (Trinary_cond::value): Set result alignment.
4402         (Max_expression::value, Min_expression::value): Likewise.
4403         (Align_expression::value): Likewise.
4404         * script-sections.cc (class Sections_element): Add dot_alignment
4405         parameter to set_section_addresses virtual function.  Update
4406         instantiations.
4407         (class Output_section_element): Likewise.
4408         (Script_sections::create_segments): Add dot_alignment parameter.
4409         Change all callers.
4410         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4411         (Script_sections::set_phdrs_clause_addresses): Likewise.
4412         * script-sections.h: Update declarations.
4413         * script.h: Update declarations.
4414         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4415         min_p_align.
4416         * testsuite/script_test_3.t: Set large alignment.
4417         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4418         segment has expected alignment.
4419
4420 2010-04-22  Nick Clifton  <nickc@redhat.com>
4421
4422         * po/gold.pot: Updated by the Translation project.
4423         * po/vi.po: Updated Vietnamese translation.
4424
4425 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4426
4427         * testsuite/Makefile.am (check_PROGRAMS): Add
4428         icf_virtual_function_folding_test.
4429         * testsuite/Makefile.in: Regenerated.
4430
4431 2010-04-15  Andrew Haley  <aph@redhat.com>
4432
4433         * options.h (merge_exidx_entries): New option.
4434         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4435         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4436         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4437         (Target_arm::merge_exidx_entries): New function.
4438         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4439         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4440         to Arm_exidx_fixup constructor.
4441         Add new arg, merge_exidx_entries.
4442         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4443         Arm_output_section::fix_exidx_coverage.
4444
4445 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4446
4447         * icf.cc (get_section_contents): Check for preemptible functions.
4448         Ignore addend when appropriate.
4449         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4450         section folded.
4451         (add_from_relobj): Check for section folded.
4452         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4453         * symtab.h (should_add_dynsym_entry): Add new parameter.
4454         * target-reloc.h (scan_relocs): Check for section folded.
4455         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4456         Check reloc types for function pointers in shared objects.
4457         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4458         case.
4459         (icf_preemptible_functions_test): New test case.
4460         (icf_string_merge_test): New test case.
4461         * testsuite.Makefile.in: Regenerate.
4462         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4463         bar_glob.  Refactor code.
4464         * testsuite/icf_preemptible_functions_test.cc: New file.
4465         * testsuite/icf_preemptible_functions_test.sh: New file.
4466         * testsuite/icf_string_merge_test.cc: New file.
4467         * testsuite/icf_string_merge_test.sh: New file.
4468         * testsuite/icf_virtual_function_folding_test.cc: New file.
4469         * testsuite/icf_virtual_function_folding_test.sh: New file.
4470
4471 2010-04-14  Doug Kwan  <dougkwan@google.com>
4472
4473         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4474         for local symbol recounting if we remove a section due to ICF.
4475         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4476         there are no regular objects in input.
4477
4478 2010-04-13  Doug Kwan  <dougkwan@google.com>
4479
4480         * arm.cc (Arm_input_section::set_final_data_size): Compute
4481         accurate final data size instead of using current data size.
4482
4483 2010-04-09  Doug Kwan  <dougkwan@google.com>
4484
4485         * layout.cc (Layout::choose_output_section): Handle script section
4486         types.
4487         (Layout::make_output_section_for_script): Add section type parameter.
4488         Handle script section types.
4489         * layout.h (Layout::make_output_section_for_script): Add section
4490         type parameter.
4491         * output.cc (Output_section::Output_section): Initialize data member
4492         is_noload_.
4493         (Output_section::do_reset_address_and_file_offset): Do not set address
4494         to 0 if section is a NOLOAD section.
4495         * output.h (Output_section::is_noload): New method.
4496         (Output_section::set_is_noload): Ditto.
4497         (Output_section::is_noload_): New data member.
4498         * script-c.h (Script_section_type): New enum type.
4499         (struct Parser_output_section_header): Add new file section_type.
4500         * script-sections.cc (Sections_element::output_section_name): Add
4501         parameter for returning script section type.
4502         (Output_section_definition::output_section_name): Ditto.
4503         (Output_section_definition::section_type)P; New method.
4504         (Output_section_definiton::script_section_type_name): Ditto.
4505         (Output_section_definition::script_section_type_): New data member.
4506         (Output_section_definition::Output_section_definition): Initialize
4507         data member Output_section_definition::script_section_type_.
4508         (Output_section_definition::create_sections): Pass script section type
4509         to Layout::make_output_section_for_script.
4510         (Output_section_definition::output_section_name): Return script
4511         section type to caller.
4512         (Output_section_definition::set_section_address): Do not advance
4513         dot value and load address if section type is NOLOAD.  Set address
4514         of NOLOAD sections regardless of section flags.
4515         (Output_section_definition::print): Print section type if it is
4516         not SCRIPT_SECTION_TYPE_NONE.
4517         (Output_section_definition::section_type): New method.
4518         (Output_section_definition::script_section_type_name): Ditto.
4519         (Script_sections::output_section_name): Add new parameter
4520         PSECTION_TYPE for returning script section type.  Pass it to
4521         section elements.  Handle discard sections.
4522         (Sort_output_sections::operator()): Handle NOLOAD sections.
4523         * script-sections.h (Script_sections::Section_type): New enum type.
4524         (Script_sections::output_section_name): Add a new parameter for
4525         returning script section type.
4526         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4527         INFO and NOLOAD.
4528         * yyscript.y (union): Add new field SECTION_TYPE.
4529         (COPY, DSECT, INFO, NOLOAD): New tokens.
4530         (opt_address_and_section_type): Change type to output_section_header.
4531         (section_type): New non-terminal
4532         (section_header): Handle section type.
4533         (opt_address_and_section_type): Return section type value.
4534
4535 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4536
4537         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4538         * testsuite/plugin_common_test_2.c (foo): Likewise.
4539
4540 2010-04-08  Doug Kwan  <dougkwan@google.com>
4541
4542         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4543         Output_merge_data.
4544         * output.cc (Output_section::add_merge_input_section): Simplify
4545         code and return status of Output_merge_base::add_input_section.
4546         Update merge section map only if Output_merge_base::add_input_section
4547         returns true.
4548
4549 2010-04-07  Doug Kwan  <dougkwan@google.com>
4550
4551         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4552         if section is marked as containing instructions but has no mapping
4553         symbols.
4554         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4555         correct section index.
4556         (Arm_relobj::find_linked_text_section): Ditto.
4557
4558 2010-04-07  Cary Coutant  <ccoutant@google.com>
4559
4560         * archive.cc (include_member): Destroy Read_symbols_data object before
4561         releasing file.
4562         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4563         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4564         (Read_symbols_data::~Read_symbols_data) New destructor.
4565         (Section_relocs::Section_relocs) New constructor.
4566         (Section_relocs::~Section_relocs) New destructor.
4567         (Read_relocs_data::Read_relocs_data) New constructor.
4568         (Read_relocs_data::~Read_relocs_data) New destructor.
4569         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4570         pointers to NULL after deleting.
4571
4572 2010-04-07  Doug Kwan  <dougkwan@google.com>
4573
4574         * arm.cc: Replace "endianity" with "endianness" in comments.
4575         (Arm_exidx_cantunwind): Ditto.
4576         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4577         (Arm_relobj::merge_flags_and_attributes): New method.
4578         (Arm_relobj::merge_flags_and_attributes_): New data member.
4579         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4580         (Arm_relobj::scan_sections_for_stubs): Ditto.
4581         (Arm_relobj::do_read_symbols): Check to see if we really want to
4582         merge processor-specific flags and attributes.  Exit early if
4583         an object is empty except for section names and the undefined symbol.
4584         (Target_arm::do_finalize_sections): Move check for ELF format to
4585         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4586         attributes from a regular object only when we have determined that
4587         it is aapropriate.  Do not create an .ARM.attributes section in
4588         output if there is no regular input object.
4589         (Target_arm::merge_processor_specific_flags): Check
4590         --warn-mismatch before printing any error.
4591         (Target_arm::merge_object_attributes): Ditto.
4592         * gold.cc (queue_middle_tasks): Handle the case in which there is
4593         no regular object in input.
4594         * options.cc (General_options::parse_EB): New method.
4595         (General_options::parse_EL): Same.
4596         (General_options::General_options): Initialize endianness_.
4597         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4598         New options.
4599         (General_options::Endianness): New enum.
4600         (General_options::endianness): New method.
4601         (General_options::endianness_): New data member.
4602         * parameters.cc (Parameters::set_options): Check target endianness.
4603         (Parameters::set_target_once): Ditto.
4604         (Parameters::check_target_endianness): New method.
4605         (parameters_force_valid_target): If either -EL or -EB is specified,
4606         use it to define endianness of default target.
4607         * parameters.h (Parameters::check_target_endianness): New method
4608         declaration.
4609         * target.h (class Target): Change "endianity" to "endianness"
4610         in comments.
4611
4612 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4613
4614         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4615         * configure: Regenerate.
4616         * Makefile.in: Regenerate.
4617         * testsuite/Makefile.in: Regenerate.
4618
4619 2010-04-06  Cary Coutant  <ccoutant@google.com>
4620
4621         gcc PR lto/42757
4622         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4623         prevailing definitions of common symbols.
4624         * testsuite/plugin_test_6.sh: New test case.
4625         * testsuite/plugin_common_test_1.c: New test case.
4626         * testsuite/plugin_common_test_2.c: New test case.
4627         * testsuite/Makefile.am (plugin_test_6): New test case.
4628         * testsuite/Makefile.in: Regenerate.
4629
4630 2010-04-06  Nick Clifton  <nickc@redhat.com>
4631
4632         * po/vi.po: New Vietnamese translation.
4633
4634 2010-03-30  Doug Kwan  <dougkwan@google.com>
4635
4636         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4637
4638 2010-03-25  Doug Kwan  <dougkwan@google.com>
4639
4640         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4641         to avoid a conversion warning on a 32-bit host.
4642
4643 2010-03-24  Ian Lance Taylor  <iant@google.com>
4644
4645         * testsuite/script_test_3.t: Add a TLS segment.
4646         * testsuite/Makefile.am (check_PROGRAMS): Add
4647         tls_phdrs_script_test.
4648         (tls_phdrs_script_test_SOURCES): Define.
4649         (tls_phdrs_script_test_DEPENDENCIES): Define.
4650         (tls_phdrs_script_test_LDFLAGS): Define.
4651         (tls_phdrs_script_test_LDADD): Define.
4652         * testsuite/Makefile.in: Rebuild.
4653
4654 2010-03-23  Cary Coutant  <ccoutant@google.com>
4655
4656         * fileread.cc (find_or_make_view): Fix comment.
4657
4658 2010-03-23  Ian Lance Taylor  <iant@google.com>
4659
4660         * script-sections.cc (class Orphan_section_placement): Define
4661         PLACE_TLS and PLACE_TLS_BSS.
4662         (Orphan_section_placement::Orphan_section_placement): Initialize
4663         new places.
4664         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4665         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4666         (tls_script_test_SOURCES): Define.
4667         (tls_script_test_DEPENDENCIES): Define.
4668         (tls_script_test_LDFLAGS): Define.
4669         (tls_script_test_LDADD): Define.
4670         * testsuite/Makefile.in: Rebuild.
4671
4672 2010-03-22  Doug Kwan  <dougkwan@google.com>
4673
4674         * arm.cc (Arm_relocate_functions::abs8,
4675         Arm_relocate_functions::abs16): Use correct check for overflow
4676         specified in the ARM ELF specs.
4677         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4678         target of a BLX instruction specially.
4679         (Reloc_stub::stub_type_for_reloc): Ditto.
4680         (Relocate::relocate): Use symbolic names instead of numeric relocation
4681         codes to report error.
4682         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4683         workaround.
4684         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4685         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4686         thumb2_blx_out_of_range.stdout
4687         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4688         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4689         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4690         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4691         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4692         thumb2_blx_in_range, thumb2_blx_in_range.o,
4693         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4694         thumb2_blx_out_of_range.o): New rules.
4695         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4696         thumb2_blx_in_range and thumb2_blx_out_of_range.
4697         * testsuite/Makefile.in: Regenerate.
4698         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4699         * testsuite/thumb_blx_in_range.s: New file.
4700         * testsuite/thumb_blx_out_of_range.s: New file.
4701
4702 2010-03-22  Rafael Espindola  <espindola@google.com>
4703
4704         * archive.cc (Should_include): Move to archive.h.
4705         (should_include_member): Make it a member of Archive.
4706         (Lib_group): New.
4707         (Add_lib_group_symbols): New.
4708         * archive.h: Include options.h.
4709         (Archive_member): Moved from Archive.
4710         (Should_include): Moved from archive.cc.
4711         (Lib_group): New.
4712         (Add_lib_group_symbols): New.
4713         * dynobj.cc (do_should_include_member): New.
4714         * dynobj.h (do_should_include_member): New.
4715         * gold.cc (queue_initial_tasks): Update call to queue.
4716         * main.cc (main): Print lib group stats.
4717         * object.cc (do_should_include_member): New.
4718         * object.h: Include archive.h.
4719         (Object::should_include_member): New.
4720         (Object::do_should_include_member): New.
4721         (Sized_relobj::do_should_include_member): New.
4722         * options.cc (General_options::parse_start_lib): New.
4723         (General_options::parse_end_lib): New.
4724         (Input_arguments::add_file): Handle lib groups.
4725         (Input_arguments::start_group): Check we are not in a lib.
4726         (Input_arguments::start_lib): New.
4727         (Input_arguments::end_lib): New.
4728         * options.h (General_options): Add start_lib and end_lib.
4729         (Input_argument::lib_): New.
4730         (Input_argument::lib): New.
4731         (Input_argument::is_lib): New.
4732         (Input_file_lib): New.
4733         (Input_arguments::in_lib_): New.
4734         (Input_arguments::in_lib): New.
4735         (Input_arguments::start_lib): New.
4736         (Input_arguments::end_lib_): New.
4737         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4738         in unused members as preempted.
4739         (Sized_pluginobj::do_should_include_member): New.
4740         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4741         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4742         return the blocker.
4743         (Read_symbols::do_whole_lib_group): New.
4744         (Read_symbols::do_lib_group): New.
4745         (Read_symbols::do_read_symbols): Handle lib groups.
4746         (Read_symbols::get_name): Handle lib groups.
4747         * readsyms.h (Read_symbols): Add an archive member pointer.
4748         (Read_symbols::do_whole_lib_group): New.
4749         (Read_symbols::do_lib_group): New.
4750         (Read_symbols::member_): New.
4751         * script.cc (read_input_script): Update call to queue_soon.
4752
4753 2010-03-19  Doug Kwan  <dougkwan@google.com>
4754
4755         * arm.cc (Stub_table::Stub_table): Initialize new data members
4756         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4757         (Stub_table::add_reloc_stub): Assign stub offset and update
4758         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4759         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4760         New data members.
4761         (Stub_table::update_data_size_and_addralign): Use
4762         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4763         instead of going over all reloc stubs.
4764         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4765         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4766         Stringpool_template::offset_ to size of Stringpool_char.
4767         (Stringpool_template::new_key_offset): Remove code to initialize
4768         Stringpool_template::offset_.
4769         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4770         Stringpool_template::offset_ to zero.
4771
4772 2010-03-15  Doug Kwan  <dougkwan@google.com>
4773
4774         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4775         offset_.
4776         (Stringpool_template::new_key_offset): New method.
4777         (Stringpool_template::add_string): Assign offsets when adding new
4778         strings.
4779         (Stringpool_template::set_string_offsets): Do not set string offsets
4780         when not optimizing.
4781         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4782         member size_.
4783         (Chunked_vector::clear): Clear size_.
4784         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4785         (Chunked_vector::size): Return size_.
4786         (Chunked_vector::push_back): Use size_ to find insert position.
4787         (Chunked_vector::size_): New data member.
4788         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4789         (Stringpool_template::new_key_offset): New method declaration.
4790         (Stringpool_template::offset_): New data member.
4791
4792 2010-03-15   Rafael Espindola  <espindola@google.com>
4793
4794         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4795         Add_symbols' constructor.
4796         * readsyms.h (Add_symbols): Remove the input_group member.
4797
4798 2010-03-10  Ian Lance Taylor  <iant@google.com>
4799
4800         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4801         target to ask whether a reference to a symbol requires a stack
4802         split.
4803         * target.h (Target::is_call_to_non_split): New function.
4804         (Target::do_is_call_to_non_split): Declare virtual function.
4805         * target.cc: Include "symtab.h".
4806         (Target::do_is_call_to_non_split): New function.
4807         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4808
4809 2010-03-10  Cary Coutant  <ccoutant@google.com>
4810
4811         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4812         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4813         (File_read::open[2]): Add whole_file_view_ to list of views.
4814         (File_read::make_view): Remove test of whole_file_view_.
4815         (File_read::find_or_make_view): Create whole_file_view_ if
4816         necessary.
4817         (File_read::clear_views): Replace bool parameter with enum;
4818         adjust all callers.  Don't delete views with permanent data;
4819         do delete cached views and views from archives if
4820         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4821         if clearing the corresponding view.
4822         * fileread.h (File_read::Clear_views_mode): New enum.
4823         (File_read::View::is_permanent_view): New method.
4824         (File_read::clear_views): Replace bool parameter
4825         with enum; adjust all callers.
4826         * options.h (General_options): Change keep_files_mapped option;
4827         add map_whole_files.
4828         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4829         releasing the file.
4830         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4831         the file.
4832
4833 2010-03-10  David S. Miller  <davem@davemloft.net>
4834
4835         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4836
4837 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4838
4839         * icf.cc (get_section_contents): Add '@' marker after processing the
4840         merge reloc.
4841
4842 2010-03-08  Doug Kwan  <dougkwan@google.com>
4843
4844         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4845         due to a conversion warning.
4846         (Arm_relobj::update_output_local_symbol_count): Check for local
4847         symbol with unset output index.
4848
4849 2010-03-05  Ian Lance Taylor  <iant@google.com>
4850
4851         * options.h (class General_options): Add --spare-dynamic-tags.
4852         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4853         --spare-dynamic-tags.
4854
4855 2010-03-05  Ian Lance Taylor  <iant@google.com>
4856
4857         * incremental.cc: Include "libiberty.h".
4858
4859 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4860
4861         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4862         function, is_info_ member.
4863         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4864         (Versions::Versions): Update caller.
4865         (Versions::define_base_version): Likewise.
4866         (Versions::add_def): Likewise.
4867
4868 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4869
4870         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4871         (Scan::possible_function_pointer_reloc): New function.
4872         (Scan::local_reloc_may_be_function_pointer): Change to call
4873         possible_function_pointer_reloc.
4874         (Scan::global_reloc_may_be_function_pointer): Ditto.
4875         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4876         relocations in ".data.rel.ro._ZTV" section.
4877         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4878         * testsuite/icf_safe_so_test.cc: Ditto.
4879         * testsuite/icf_safe_test.cc: Ditto.
4880         * testsuite/icf_safe_test.sh: Ditto.
4881
4882 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4883             Ian Lance Taylor  <iant@google.com>
4884
4885         * target-reloc.h (relocate_section): Check the symbol table index
4886         for -1U before setting the local symbol index.
4887         (scan_relocatable_relocs): If copying the relocation, record that
4888         the local symbol is required.
4889         * object.h (Symbol_value::is_output_symtab_index_set): New
4890         function.
4891         (Symbol_value::may_be_discarded_from_output_symtab): New
4892         function.
4893         (Symbol_value::has_output_symtab_entry): New function.
4894         (Symbol_value::needs_output_symtab_entry): Remove.
4895         (Symbol_value::output_symtab_index): Make sure the symbol index is
4896         set.
4897         (Symbol_value::set_output_symtab_index): Make sure the symbol
4898         index is not set.  Make sure the new index is valid.
4899         (Symbol_value::set_must_have_output_symtab_entry): New function.
4900         (Symbol_value::has_output_dynsym_entry): New function.
4901         (Symbol_value::set_output_dynsym_index): Make sure the new index
4902         is valid.
4903         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4904         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4905         local symbol if permitted.
4906         (Sized_relobj::do_finalize_local_symbols): Call
4907         is_output_symtab_index_set rather than needs_output_symtab_entry.
4908         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4909         rather than needs_output_symtab_entry.  Call
4910         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4911         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4912         is_output_symtab_index_set rather than needs_output_symtab_entry.
4913         * testsuite/discard_locals_relocatable_test.c: New file.
4914         * testsuite/discard_locals_test.sh: Test -r.
4915         * testsuite/Makefile.am (check_DATA): Add
4916         discard_locals_relocatable_test1.syms,
4917         discard_local_relocatable_test2.syms.
4918         (MOSTLYCLEANFILES): Likewise.  Also add
4919         discard_locals_relocatable_test1.lout and
4920         discard_locals_relocatable_test2.out.
4921         (discard_locals_relocatable_test1.syms): New target.
4922         (discard_locals_relocatable_test.o): New target.
4923         (discard_locals_relocatable_test1.out): New target.
4924         (discard_locals_relocatable_test2.syms): New target.
4925         (discard_locals_relocatable_test2.out): New target.
4926         (various): Add missing ../ld-new dependencies.
4927         * testsuite/Makefile.in: Rebuild.
4928
4929 2010-03-03  Nick Clifton  <nickc@redhat.com>
4930
4931         * po/fi.po: New Finnish translation.
4932
4933 2010-03-01  Doug Kwan  <dougkwan@google.com>
4934
4935         * layout.cc (Layout::Layout): Force section types of .init_array*,
4936         .preinit_array* and .fini_array* sections.
4937         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4938         Fix check of return value of std::string::find.().
4939         (Output_section::Input_section_sort_compare::operator()): Remove
4940         comment about .init_array.
4941         (Output_section::Input_section_sort_init_fini_compare::operator()):
4942         New method.
4943         (Output_section::sort_attached_input_sections): Handle .init_array
4944         and .fini_array specially.
4945         * output.h (Output_section::Inut_section_sort_compare): Update
4946         comment.
4947         (Output_section::Input_section_sort_init_fini_compare): New struct.
4948
4949 2010-02-26  Doug Kwan  <dougkwan@google.com>
4950
4951         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4952         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4953         * testsuite/debug_msg.sh: Avoid matching source line number for
4954         use of global variable undef_int.
4955
4956 2010-02-26  Doug Kwan  <dougkwan@google.com>
4957
4958         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4959         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4960         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4961         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4962         * options.cc (General_options::General_options): Initialize member
4963         fix_v4bx_.
4964         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4965         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4966         and rm_no_fix_v4bx.stdout
4967         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4968         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4969         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4970         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4971         and arm_no_fix_v4bx.
4972         * Makefile.in: Regenerate.
4973         * testsuite/arm_fix_v4bx.s: New file.
4974         * testsuite/arm_fix_v4bx.sh: Ditto.
4975
4976 2010-02-24  Doug Kwan  <dougkwan@google.com>
4977
4978         * arm.cc (Target_arm::got_section): Make the .got section the first
4979         non RELRO section in the data segment.
4980         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4981         suffixes of section names.
4982
4983 2010-02-24  Doug Kwan  <dougkwan@google.com>
4984
4985         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4986         flags and attributes merging if an input file is a binary file.
4987         * fileread.cc (Input_file::open): Record format of original file.
4988         * fileread.h (Input_file::Format): New enum type.
4989         (Input_file::Input_file): Initialize data member format_.
4990         (Input_file::format): New method definition.
4991         (Input_file::format_):: New data member.
4992
4993 2010-02-24  Doug Kwan  <dougkwan@google.com>
4994
4995         * arm.cc (Arm_output_data_got): New class.
4996         (ARM_TCB_SIZE): New constant
4997         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4998         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4999         If user uses a script with a SECTIONS clause, issue only a warning
5000         for a misplaced EXIDX input section.  Otherwise, issue an error.
5001         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5002         garbage collection.
5003         (Target_arm::got_mode_index_entry): Handle static linking.
5004         (Target_arm::Scan::local): Ditto.
5005         (Target_arm::Scan::global): Ditto.
5006         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5007         all incorrectly implemented relocations.
5008         (Target_arm::fix_exidx_coverage): Pass layout to
5009         Arm_output_section::fix_exidx_coverage.
5010         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5011         from ".ARM.exidx." and ".ARM.extab.".
5012
5013 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5014
5015         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5016         section if it does not already exist.
5017         * attributes.cc (Attributes_section_data::Attributes_section_data):
5018         Don't crash if size is zero.
5019
5020 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5021             Ian Lance Taylor  <iant@google.com>
5022
5023         * gold.cc (queue_middle_tasks): If no input files were opened,
5024         exit.
5025         * workqueue.h (Task_function::Task_function): Assert that there is
5026         a blocker.
5027
5028 2010-02-22  Doug Kwan  <dougkwan@google.com>
5029
5030         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5031         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5032         types to avoid warnings due to different uint64_t implementations
5033         on different hosts.
5034
5035 2010-02-21  Doug Kwan  <dougkwan@google.com>
5036
5037         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5038         handling of the maximum backward branch offset.
5039         (Arm_relocate_functions::thumb_branch_common): Ditto.
5040         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5041         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5042         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5043         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5044         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5045         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5046         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5047         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5048         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5049         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5050         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5051         thumb2_bl_out_of_range.o): New rules.
5052         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5053         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5054         thumb2_bl_out_of_range
5055         * testsuite/Makefile.in: Regenerate.
5056         * testsuite/arm_bl_in_range.s: New file.
5057         * testsuite/arm_bl_out_of_range.s: Ditto.
5058         * testsuite/arm_branch_in_range.sh: Ditto.
5059         * testsuite/arm_branch_range.t: Ditto.
5060         * testsuite/thumb2_branch_range.t: Ditto.
5061         * testsuite/thumb_bl_in_range.s: Ditto.
5062         * testsuite/thumb_bl_out_of_range.s: Ditto.
5063         * testsuite/thumb_branch_range.t: Ditto.
5064
5065 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5066
5067         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5068         Add reloc offset information.
5069         * icf.cc (get_section_contents): Change iterators to point to the new
5070         vectors. Add reloc offset information to the contents.
5071         * icf.h (Icf::Sections_reachable_info): New typedef.
5072         (Icf::Sections_reachable_list): New typedef.
5073         (Icf::Offset_info): New typedef.
5074         (Icf::Reloc_info): New struct typedef.
5075         (Icf::Reloc_info_list): New typedef.
5076         (Icf::symbol_reloc_list): Delete method.
5077         (Icf::addend_reloc_list): Delete method.
5078         (Icf::section_reloc_list): Delete method.
5079         (Icf::reloc_info_list): New method.
5080         (Icf::reloc_info_list_): New member.
5081
5082 2010-02-19  Doug Kwan  <dougkwan@google.com>
5083
5084         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5085         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5086         * arm.cc (Arm_relocation_functions): New forward declaration.
5087         (Target_arm::Target_arm): Initialize new data members
5088         got_mod_index_offset_ and tls_base_symbol_defined_.
5089         (Target_arm::Relocate::relocate_tls): New method.
5090         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5091          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5092         New methods.
5093         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5094         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5095         (Target_arm::got_mod_index_offset_,
5096         Target_arm::tls_base_symbol_defined_): New data members.
5097         (Target_arm::Scan::local, Target::Scan::global,
5098         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5099         relocations.
5100
5101 2010-02-18  Doug Kwan  <dougkwan@google.com>
5102
5103         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5104         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5105         text section as a parameter becuase some broken tools may not set
5106         the link in section header.
5107         (Target_arm::has_got_section): New method.
5108         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5109         without any mapping symbol as data only.  Remove warning.
5110         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5111         link in its section header, try to discover the link by inspecting the
5112         REL31 relocation at the beginning of the section.
5113         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5114         in error message.
5115         (Target_arm::Scan::global): Treat any reference to the symbol
5116         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5117
5118 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5119
5120         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5121         (Scan::global_reloc_may_be_function_pointer): New function.
5122         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5123         (Scan::global_reloc_may_be_function_pointer): New function.
5124         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5125         (Scan::global_reloc_may_be_function_pointer): New function.
5126         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5127         (Scan::global_reloc_may_be_function_pointer): New function.
5128         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5129         (Scan::global_reloc_may_be_function_pointer): New function.
5130         (Scan::possible_function_pointer_reloc): New function.
5131         (Target_x86_64::can_check_for_function_pointers): New function.
5132         * gc.h (gc_process_relocs): Scan relocation types to determine if
5133         function pointers were taken for targets that support it.
5134         * icf.cc (Icf::find_identical_sections): Include functions for
5135         folding in safe ICF whose pointer is not taken.
5136         * icf.h (Secn_fptr_taken_set): New typedef.
5137         (fptr_section_id_): New member.
5138         (section_has_function_pointers): New function.
5139         (set_section_has_function_pointers): New function.
5140         (check_section_for_function_pointers): New function.
5141         * options.h: Fix comment for safe ICF option.
5142         * target.h (can_check_for_function_pointers): New function.
5143         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5144         Modify icf_safe_test for X86-64.
5145         * testsuite/Makefile.in: Regenerate.
5146         * testsuite/icf_safe_so_test.cc: New file.
5147         * testsuite/icf_safe_so_test.sh: New file.
5148         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5149         (main): Change to take pointer to function kept_func_3.
5150         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5151         folding is done correctly for X86-64.
5152
5153 2010-02-12  David S. Miller  <davem@davemloft.net>
5154
5155         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5156         is_symbolless parameter.
5157         (Output_reloc<SHT_REL>::is_symbolless): New.
5158         (Output_reloc<SHT_REL>::is_symbolless_): New.
5159         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5160         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5161         (Output_reloc<SHT_RELA>::is_symbolless): New.
5162         (Output_data_reloc::add_global): Handle is_symbolless.
5163         (Output_data_reloc::add_global_relative): Likewise.
5164         (Output_data_reloc::add_local): Likewise.
5165         (Output_data_reloc::add_local_relative): Likewise.
5166         (Output_data_reloc::add_symbolless_global_addend): New.
5167         (Output_data_reloc::add_symbolless_local_addend): New.
5168         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5169         is_symbolless.
5170         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5171         instead of ->is_relative_
5172         (Output_reloc::write): Likewise.
5173         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5174         (Output_reloc::write_rel): Simplify.
5175
5176         * sparc.cc (Target_sparc::Scan::local): Use
5177         ->add_symbolless_local_addend as needed.
5178         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5179         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5180         based upon relocation offset.
5181
5182 2010-02-11  Doug Kwan  <dougkwan@google.com>
5183
5184         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5185         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5186         beginning of function.
5187         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5188         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5189         parameter is_32bit in calls to should_apply_static_reloc.
5190         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5191         (check_DATA): Add arm_abs_global.stdout.
5192         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5193         arm_abs_global.stdout): New rules.
5194         (MOSTLLYCLEANFILES): Add arm_abs_global
5195         * Makefile.in: Regenerate.
5196         * testsuite/arm_abs_global.s: New file.
5197         * testsuite/arm_abs_global.sh: Ditto.
5198         * testsuite/arm_abs_lib.s: Ditto.
5199
5200 2010-02-11  Ian Lance Taylor  <iant@google.com>
5201
5202         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5203         Read_relocs task.
5204         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5205         Allocate_commons_task first.
5206         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5207         task, rather than symtab_lock_.
5208         (Gc_process_relocs::~Gc_process_relocs): New function.
5209         (Gc_process_relocs::is_runnable): Check this_blocker_.
5210         (Gc_process_relocs::locks): Use next_blocker_ rather than
5211         blocker_.
5212         (Scan_relocs::~Scan_relocs): New function.
5213         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5214         symtab_lock_.
5215         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5216         next_blocker_.
5217         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5218         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5219         constructor accordingly.
5220         (class Gc_process_relocs): Likewise.
5221         (class Scan_relocs): Likewise.
5222         * common.h (class Allocate_commons_task): Remove symtab_lock_
5223         field, and corresponding constructor parameter.
5224         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5225         symtab_lock_.
5226         (Allocate_commons_task::locks): Likewise.
5227
5228 2010-02-11  Ian Lance Taylor  <iant@google.com>
5229
5230         * gold-threads.h (class Once): Define.
5231         (class Initialize_lock): Rewrite as child of Once.
5232         * gold-threads.cc (class Once_initialize): Define.
5233         (once_pointer_control): New static variable.
5234         (once_pointer, once_arg): New static variables.
5235         (c_run_once): New static function.
5236         (Once::Once, Once::run_once, Once::internal_run): New functions.
5237         (class Initialize_lock_once): Remove.
5238         (initialize_lock_control): Remove.
5239         (initialize_lock_pointer): Remove.
5240         (initialize_lock_once): Remove.
5241         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5242         (Initialize_lock::initialize): Rewrite.
5243         (Initialize_lock::do_run_once): New function.
5244         * archive.cc (Archive::interpret_header): Only clear name if it is
5245         not already empty.
5246         * fileread.cc: Include "gold-threads.h"
5247         (file_counts_lock): New static variable.
5248         (file_counts_initialize_lock): Likewise.
5249         (File_read::release): Only increment counts when using --stats.
5250         Use a lock around the increment.
5251         * parameters.cc (class Set_parameters_target_once): Define.
5252         (set_parameters_target_once): New static variable.
5253         (Parameters::Parameters): Move here from parameters.h.
5254         (Parameters::set_target): Rewrite.
5255         (Parameters::set_target_once): New function.
5256         (Parameters::clear_target): Move here and rewrite.
5257         * parameters.h (class Parameters): Update declarations.  Add
5258         set_parameters_target_once_ field.
5259         (Parameters::Parameters): Move to parameters.cc.
5260         (Parameters::clear_target): Likewise.
5261         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5262         task.
5263         (Start_group::~Start_group): New function.
5264         (Start_group::is_runnable): New function.
5265         (Start_group::locks, Start_group::run): New functions.
5266         (Finish_group::run): Change saw_undefined to size_t.
5267         * readsyms.h (class Start_group): Define.
5268         (class Finish_group): Change saw_undefined_ field to size_t.
5269         (Finish_group::Finish_group): Remove saw_undefined and
5270         this_blocker parameters.  Change all callers.
5271         (Finish_group::set_saw_undefined): New function.
5272         (Finish_group::set_blocker): New function.
5273         * symtab.h (class Symbol_table): Change saw_undefined to return
5274         size_t.  Change saw_undefined_ field to size_t.
5275         * target-select.cc (Set_target_once::do_run_once): New function.
5276         (Target_selector::Target_selector): Initialize set_target_once_
5277         field.  Don't initialize lock_ and initialize_lock_ fields.
5278         (Target_selector::instantiate_target): Rewrite.
5279         (Target_selector::set_target): New function.
5280         * target-select.h (class Set_target_once): Define.
5281         (class Target_selector): Update declarations.  Make
5282         Set_target_once a friend.  Remove lock_ and initialize_lock_
5283         fields.  Add set_target_once_ field.
5284
5285 2010-02-10  Ian Lance Taylor  <iant@google.com>
5286
5287         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5288         queueing any tasks.
5289         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5290         (queue_middle_tasks): Add all blockers before queueing any tasks.
5291         (queue_final_tasks): Likewise.
5292         * token.h (Task_token::add_blockers): New function.
5293         * object.h (Input_objects::number_of_relobjs): New function.
5294
5295 2010-02-10  Ian Lance Taylor  <iant@google.com>
5296
5297         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5298         shared, not if not position independent.
5299         * x86_64.cc (Relocate::relocate_tls): Likewise.
5300         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5301         (tls_pie_pic_test): New target.
5302         * testsuite/Makefile.in: Rebuild.
5303
5304         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5305         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5306         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5307         * testsuite/Makefile.in: Rebuild.
5308
5309 2010-02-09  David S. Miller  <davem@davemloft.net>
5310
5311         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5312         R_SPARC_RELATIVE using ->add_local_relative().
5313         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5314
5315         * output.h (Output_data_dynamic::add_section_size): New method
5316         that takes two Output_data objects.
5317         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5318         entry param.  Handle it in initializers.
5319         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5320         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5321         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5322         arg.
5323         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5324         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5325         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5326         for dynrel_includes_plt.
5327         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5328         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5329         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5330         before .rela.plt
5331         (Target_sparc::do_finalize_sections): Update to pass true for
5332         dynrel_includes_plt.
5333         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5334         output before .rela.plt
5335         (Target_powerpc::do_finalize_sections): Update to pass true for
5336         dynrel_includes_plt when 32-bit.
5337
5338 2010-02-08  Doug Kwan  <dougkwan@google.com>
5339
5340         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5341         method.
5342         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5343         Arm_relobj::scan_section_for_cortex_a8_stubs,
5344         Arm_relobj::do_relocation_section): Instead of calling
5345         Output_section::output_address, use faster
5346         Arm_relobj::simple_input_section_output_address.
5347
5348 2010-02-08  David S. Miller  <davem@davemloft.net>
5349
5350         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5351         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5352         relocation helper function.
5353
5354         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5355         just like R_SPARC_GOT{10,13,22}.
5356         (Target_sparc::Scan::local): Likewise.
5357         (Target_sparc::Relocate:relocate): Likewise.
5358
5359 2010-02-06  Ian Lance Taylor  <iant@google.com>
5360
5361         * configure.ac: Rewrite targetobjs duplicate removal code to use
5362         only shell constructs.
5363         * configure: Rebuild.
5364
5365 2010-02-05  Doug Kwan  <dougkwan@google.com>
5366
5367         PR 11247
5368         * arm.cc (Arm_relobj::section_is_scannable): New method.
5369         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5370         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5371
5372 2010-02-04  Doug Kwan  <dougkwan@google.com>
5373
5374         PR 11247
5375         * arm-reloc-property.cc (cstdio): Include.
5376         * configure.ac (targetobjs): Remove duplicates.
5377         * configure: Regenerate.
5378         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5379         big and little endian version for a given address size.
5380
5381 2010-02-03  Doug Kwan  <dougkwan@google.com>
5382
5383         * arm-reloc-property.cc
5384         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5385         definition.
5386         * arm-reloc-property.h
5387         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5388         New method definition.
5389         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5390         declaration.
5391         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5392         overflow to N.
5393         (GOT_PREL): Change implemented to Y.
5394         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5395         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5396         (Arm_relocate_functions::movw_abs_nc): Remove method.
5397         (Arm_relocate_functions::movt_abs): Ditto.
5398         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5399         (Arm_relocate_functions::thm_movt_abs): Ditto.
5400         (Arm_relocate_functions::movw_rel_nc): Ditto.
5401         (Arm_relocate_functions::movw_rel): Ditto.
5402         (Arm_relocate_functions::movt_rel): Ditto.
5403         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5404         (Arm_relocate_functions:thm_movw_rel): Ditto.
5405         (Arm_relocate_functions:thm_movt_rel): Ditto.
5406         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5407         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5408         New method definitions.
5409         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5410         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5411         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5412         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5413         (Target_arm::Relocate::relocate): Check for non-static or
5414         unimplemented relocation code and exit early.  Change calls to
5415         Target_arm::reloc_uses_thumb_bit and
5416         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5417         instead.  Refactor code to handle similar relocations to increase
5418         code sharing.  Remove check for unsupported relocation code in switch
5419         statement.
5420         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5421         relocation property table to find out size.  Change error message to
5422         print out the name of a relocation code instead of the numeric value.
5423         (Target_arm::scan_reloc_for_stub): Use relocation property table
5424         instead of calling Target_arm::reloc_uses_thumb_bit().
5425
5426 2010-02-02  Doug Kwan  <dougkwan@google.com>
5427
5428         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5429         types of relaxed input section.
5430
5431 2010-02-02  Doug Kwan  <dougkwan@google.com>
5432
5433         * Makefile.am (HFILES): Add arm-reloc-property.h.
5434         (DEFFILES): New.
5435         (TARGETSOURCES): Add arm-reloc-property.cc
5436         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5437         (libgold_a_SOURCES): $(DEFFILES)
5438         * Makefile.in: Regenerate.
5439         * arm-reloc-property.cc: New file.
5440         * arm-reloc-property.h: New file.
5441         * arm-reloc.def: New file.
5442         * arm.cc: Update comments.
5443         (arm-reloc-property.h): New included header.
5444         (arm_reloc_property_table): New global variable.
5445         (Target_arm::do_select_as_default_target): New method definition.
5446         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5447         arm-reloc-property to targ_extra_obj.
5448         * parameters.cc (set_parameters_target): Call
5449         Target::select_as_default_target().
5450         * target.h (Target::select_as_default_target): New method definition.
5451         (Target::do_select_as_default_target): Same.
5452
5453 2010-02-01  Doug Kwan  <dougkwan@google.com>
5454
5455         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5456         first_output_text_section_.
5457         (Arm_exidx_fixup::first_output_text_section): New method definition.
5458         (Arm_exidx_fixup::first_output_text_section_): New data member.
5459         (Arm_exidx_fixup::process_exidx_section): Record the first text
5460         output section seen.
5461         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5462         and entsize in output section header.
5463
5464 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5465
5466         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5467         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5468         (Arm_relocate_functions::thm_alu11): New Method.
5469         (Arm_relocate_functions::thm_pc8): New Method.
5470         (Arm_relocate_functions::thm_pc12): New Method.
5471         (Target_arm::Scan::local): Handle the relocations.
5472         (Target_arm::Scan::global): Likewise.
5473         (Target_arm::Relocate::relocate): Likewise.
5474         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5475
5476 2010-01-29  Doug Kwan  <dougkwan@google.com>
5477
5478         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5479         of relocation types as ld.
5480
5481 2010-01-29  Doug Kwan  <dougkwan@google.com>
5482
5483         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5484         to public.
5485         (Arm_relocate_functions::thumb_branch_common): Ditto.
5486         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5487         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5488         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5489         Arm_relocate_functions::jump24): Remove.
5490         (Target_arm::Relocate::relocate): Adjust code to call
5491         Arm_relocation_functions::arm_branch_common and
5492         Arm_relocation_functions::thumb_branch_common instead of their removed
5493         wrappers.  Merge switch-cases together to reduce source code size.
5494
5495 2010-01-29  Doug Kwan  <dougkwan@google.com>
5496
5497         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5498         output_local_symbol_count_needs_update_.
5499         (Arm_relobj::output_local_symbol_count_needs_update,
5500          Arm_relobj::set_output_local_symbol_count_needs_update,
5501          Arm_relobj::update_output_local_symbol_count): New methods.
5502         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5503         member.
5504         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5505         of pointed function as in a R_ARM_PREL31 relocation.
5506         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5507         for output local symbol count updating.
5508         (Target_arm::do_relax): Update output local symbol counts in objects
5509         if necessary.
5510         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5511
5512 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5513
5514         * arm.cc: Added support for the ARM relocations:
5515         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5516         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5517         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5518         movw_prel_nc).
5519         (Arm_relocate_functions::movw_rel): New method.
5520         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5521         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5522         thm_movw_prel_nc).
5523         (Arm_relocate_functions::thm_movw_rel): New method.
5524         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5525         thm_movt_prel).
5526         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5527         relocations.
5528         (Target_arm::Scan::global): Likewise.
5529         (Target_arm::Relocate::relocate): Likewise.
5530         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5531         Likewise.
5532
5533 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5534
5535         * arm.cc: Added support for ARM group relocations.
5536         (Target_arm::reloc_needs_sym_origin): New method.
5537         (Arm_relocate_functions::calc_grp_kn): New method.
5538         (Arm_relocate_functions::calc_grp_residual): New method.
5539         (Arm_relocate_functions::calc_grp_gn): New method.
5540         (Arm_relocate_functions::arm_grp_alu): New Method.
5541         (Arm_relocate_functions::arm_grp_ldr): New Method.
5542         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5543         (Arm_relocate_functions::arm_grp_ldc): New Method.
5544         (Target_arm::Scan::local): Handle the ARM group relocations.
5545         (Target_arm::Scan::global): Likewise.
5546         (Target_arm::Relocate::relocate): Likewise.
5547         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5548         Likewise.
5549
5550 2010-01-26  Doug Kwan  <dougkwan@google.com>
5551
5552         * arm.cc (set): Include.
5553         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5554         pointer type.
5555         (Arm_output_section::Text_section_list): New type.
5556         (Arm_output_section::append_text_sections_to_list): New method.
5557         (Arm_output_section::fix_exidx_coverage): Ditto.
5558         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5559         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5560         Relobj::set_section_offset() instead of
5561         Sized_relobj::invalidate_section_offset().
5562         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5563         parameter for section headers. Ignore relocation sections for
5564         unallocated sections and EXIDX sections.
5565         (Target_arm::fix_exidx_coverage): New method.
5566         (Target_arm::output_section_address_less_than): New type.
5567         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5568         linked text section instead of the EXIDX section.
5569         (Arm_output_section::create_stub_group): Add an assertion to check
5570         that this is not an EXIDX output section.
5571         (Arm_output_section::append_text_sections_to_list): New method.
5572         (Arm_output_section::fix_exidx_coverage): Ditto.
5573         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5574         Arm_relobj::section_needs_reloc_stub_scanning.
5575         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5576         first pass.
5577         (Target_arm::fix_exidx_coverage): New method.
5578         * object.h (Relobj::set_output_section): New method.
5579         (Sized_relobj::invalidate_section_offset): Remove method.
5580         (Sized_relobj::do_invalidate_section_offset): Remove method.
5581         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5582
5583 2010-01-25  Doug Kwan  <dougkwan@google.com>
5584
5585         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5586         Fix warning due to signed and unsigned comparison on a 32-bit host.
5587
5588 2010-01-22  Doug Kwan  <dougkwan@google.com>
5589
5590         * arm.cc (Target_arm::do_relax): Record an output section for section
5591         offset adjustment it contains any stub table that has changed.
5592         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5593         offsets in an output section if necessary.
5594         * output.cc (Output_section::Output_section): Initialize
5595         section_offsets_need_adjustments_.
5596         (Output_section::add_input_section_for_script): Renamed to
5597         Output_section::add_simple_input_section.
5598         (Output_section::save_states): Add a comment.
5599         (Output_section::discard_states): New method defintion.
5600         (Output_section::adjust_section_offsets): Same.
5601         * output.h (Output_section::add_input_section_for_script): Renamed to
5602         Output_section::add_simple_input_section.
5603         (Output_section::discard_states): New method declaration.
5604         (Output_section::adjust_section_offsets): Same.
5605         (Output_section::section_offsets_need_adjustment,
5606         Output_section::set_section_offsets_need_adjustment): New method
5607         definitions.
5608         (Output_section::section_offsets_need_adjustment_): New data member.
5609         * script-sections.cc
5610         (Output_section_element_input::set_section_address): Adjust code for
5611         renaming of Output_section::add_input_section_for_script.
5612         (Orphan_output_section::set_section_address): Same.
5613
5614 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5615
5616         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5617         Fix_v4bx enum values .
5618         * gold/options.h (General_options): New option definitions.
5619         (General_options::fix_v4bx): New method.
5620         (General_options::Fix_v4bx): New enum.
5621         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5622         (General_options::parse_fix_v4bx_interworking): New method.
5623
5624 2010-01-22  Doug Kwan  <dougkwan@google.com>
5625
5626         * arm.cc (Arm_exidx_fixup): New class.
5627
5628 2010-01-21  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5631         classes.
5632         (Arm_exidx_section_offset_map): New type.
5633
5634 2010-01-21  Doug Kwan  <dougkwan@google.com>
5635
5636         * arm.cc (Arm_exidx_input_section): New class.
5637         (Arm_relobj::exidx_input_section_by_link,
5638         Arm_relobj::exidx_input_section_by_shndx,
5639         Arm_relobj::make_exidx_input_section): New methods.
5640         (read_arm_attributes_section): Remove.
5641         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5642         information about them.
5643         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5644         to here.
5645
5646 2010-01-20  Doug Kwan  <dougkwan@google.com>
5647
5648         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5649         Input_section_specifier to Section_id.
5650         (Target_arm::new_arm_input_section: Adjust code for change of key
5651         type.
5652         (Target_arm::find_arm_input_section): Ditto.
5653         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5654         (Section_id): Remove.
5655         (Garbage_collection::Section_id_hash): Remove.
5656         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5657         (Section_id): Remove.
5658         (Icf::Section_id_hash): Remove.
5659         * object.h (Section_id, Const_section_id, Section_id_hash,
5660         Const_section_id_hash): New type definitions.
5661         * output.cc (Output_section::add_relaxed_input_section): Change to
5662         use Const_section_id instead of Input_section_specifier as key type.
5663         (Output_section::add_merge_input_section): Ditto.
5664         (Output_section::build_relaxation_map): Change to use Section_id
5665         instead of Input_section_specifier as key type.
5666         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5667         Ditto.
5668         (Output_section::convert_input_sections_to_relaxed_sections): Change
5669         to use Const_section_id instead of Input_section_specifier as key type.
5670         (Output_section::find_merge_section): Ditto.
5671         (Output_section::find_relaxed_input_section): Ditto.
5672         * output.h (Input_section_specifier): Remove class.
5673         (Output_section::Output_section_data_by_input_section_map): Change
5674         key type to Const_section_id.
5675         (Output_section::Output_relaxed_input_section_by_input_section_map):
5676         Ditto.
5677         (Output_section::Relaxation_map): Change key type to Section_id.
5678
5679 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5680
5681         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5682         (class Arm_v4bx_stub): New class.
5683         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5684         (Stub_factory::make_arm_v4bx_stub): New method.
5685         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5686         (Stub_table::empty): Handle v4bx stubs.
5687         (Stub_table::add_arm_v4bx_stub): New method.
5688         (Stub_table::find_arm_v4bx_stub): New method.
5689         (Arm_relocate_functions::v4bx): New method.
5690         (Target_arm::fix_v4bx): New method.
5691         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5692         (Stub_table::relocate_stubs): Likewise.
5693         (Stub_table::do_write): Likewise.
5694         (Stub_table::update_data_size_and_addralign): Likewise.
5695         (Stub_table::finalize_stubs):  Likewise.
5696         (Target_arm::Scan::local): Likewise.
5697         (Target_arm::Scan::global): Likewise.
5698         (Target_arm::do_finalize_sections): Likewise.
5699         (Target_arm::Relocate::relocate): Likewise.
5700         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5701         Likewise.
5702         (Target_arm::scan_reloc_for_stub): Likewise.
5703         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5704
5705 2010-01-19  Ian Lance Taylor  <iant@google.com>
5706
5707         * output.cc (Output_section_headers::do_sized_write): Write large
5708         segment count to sh_info field.
5709         (Output_file_header::do_sized_write): For large segment count,
5710         write PN_XNUM to e_phnum field.
5711
5712 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5713
5714         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5715         (Arm_relocate_functions::thm_jump8): New function.
5716         (Arm_relocate_functions::thm_jump11): New function.
5717         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5718         R_ARM_THM_JUMP11.
5719         (Target_arm::Scan::global): Likewise.
5720         (Target_arm::Relocate::relocate): Likewise.
5721         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5722         Likewise.
5723
5724 2010-01-14  Doug Kwan  <dougkwan@google.com>
5725
5726         * arm.cc (map, utility): Include headers.
5727         (Target_arm::apply_cortex_a8_workaround): New method.
5728         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5729         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5730         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5731         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5732         the --[no-]fix-cortex-a8 command line options.
5733         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5734         (Target_arm::relocate_stub): Use addend in instruction template.
5735         * options.h (DEFINE_bool): Set the user-set flag.
5736         (General_options): Add --[no-]-fix-cortex options.
5737         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5738         : Update fast look-up map after conversion.
5739
5740 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5741
5742         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5743         in the first pass of do_layout.
5744
5745 2010-01-13  Doug Kwan  <dougkwan@google.com>
5746
5747         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5748         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5749         apparent compiler problem of not folding static constant integral
5750         data members of elfcpp::Elf_sizes<32>.
5751
5752 2010-01-13  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5755         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5756         Arm_relobj::scan_section_for_cortex_a8_erratum,
5757         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5758         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5759         sections to scan for relocation stubs into a new method
5760         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5761         relocation and Cortex-A8 stub scanning.
5762         (Target_arm::do_relax): Force stubs to be after stubbed sections
5763         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5764         the beginning of a new relaxation pass.  Update a comment.
5765         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5766
5767 2010-01-12  Ian Lance Taylor  <iant@google.com>
5768
5769         * target-reloc.h (visibility_error): New inline function.
5770         (relocate_section): Call visibility_error.
5771         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5772         (MOSTLYCLEANFILES): Likewise.
5773         (protected_4_pic.o, protected_3.err): New targets.
5774         * testsuite/protected_4.cc: New file.
5775
5776 2010-01-12  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc (Cortex_a8_reloc): New class.
5779         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5780         and cortex_a8_relocs_info_.
5781         (Target_arm::fix_cortex_a8): New method definition.
5782         (Target_arm::Cortex_a8_relocs_info): New type.
5783         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5784         New data member declarations.
5785         (Target_arm::scan_reloc_for_stub): Record information about
5786         relocations for THUMB branches that might be exempted from the
5787         Cortex-A8 workaround.
5788         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5789         at the beginning of a relaxation pass.
5790
5791 2010-01-12  Doug Kwan  <dougkwan@google.com>
5792
5793         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5794         (Arm_relobj::Mapping_symbol_position,
5795          Arm_reloj::Mapping_symbol_position_less,
5796          Arm_relobj::Mapping_symbols_info): New types.
5797         (Target_arm::is_mapping_symbol_name): New method definition.
5798         (Arm_relobj::do_count_local_symbols): Save information about mapping
5799         symbols.
5800
5801 2010-01-11  Doug Kwan  <dougkwan@google.com>
5802
5803         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5804         Arm_relocate_functions::thumb32_branch_upper,
5805         Arm_relocate_functions::thumb32_branch_lower,
5806         Arm_relocate_functions::thumb32_cond_branch_offset,
5807         Arm_relocate_functions::thumb32_cond_branch_upper,
5808         Arm_relocate_functions::thumb32_cond_branch_lower,
5809         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5810         branch offset encoding.
5811         (Arm_relocate_functions::thumb_branch_common): Use new branch
5812         offset encoding methods to avoid code duplication.
5813         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5814         (Stub_addend_reader::operator()): Use new branch encoding method
5815         to avoid code duplication.
5816
5817 2010-01-11  Doug Kwan  <dougkwan@google.com>
5818
5819         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5820         (Target_arm::do_finalize_sections): Define special EXIDX section
5821         symbols only if referenced.
5822         * gc.h (Garbage_collection::add_reference): New method.
5823         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5824         code duplication.
5825
5826 2010-01-11  Ian Lance Taylor  <iant@google.com>
5827
5828         * script.cc (Version_script_info::build_expression_list_lookup):
5829         Change complaing about duplicate wildcard match from error to
5830         warning.
5831
5832         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5833         of 2009-12-30.
5834         (Version_script_info::Version_script_info): Initialize globs_,
5835         default_version_, default_is_global_, and exact_.  Don't
5836         initialize globals_ or locals_.
5837         (Version_script_info::build_lookup_tables): Build local symbols
5838         first.
5839         (Version_script_info::unquote): New function.
5840         (Version_script_info::add_exact_match): New function.
5841         (Version_script_info::build_expression_list_lookup): Remove lookup
5842         parameter.  Add is_global parameter.  Change all callers.  Handle
5843         wildcard pattern specially.  Unquote pattern.  Call
5844         add_exact_match.
5845         (Version_script_info::get_name_to_match): New function.
5846         (Version_script_info::get_symbol_version): New function.
5847         (Version_script_info::get_symbol_version_helper): Remove.
5848         (Version_script_info::check_unmatched_names): Call unquote.
5849         * script.h (class Version_script_info): Change get_symbol_version
5850         to be non-inline and add is_global parameter; change all callers.
5851         Rewrite symbol_is_local.  Update declarations.  Define struct
5852         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5853         Remove globals_ and locals_ members.  Add exact_, globs_,
5854         default_version_, is_global_.
5855         (Version_script_info::Glob): Remove pattern, add expression and
5856         is_global.  Update constructor.  Change all callers.
5857         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5858         default version.
5859         (Versions::symbol_section_contents): If a symbol is undefined, or
5860         defined in a dynamic object, set the version index to
5861         VER_NDX_LOCAL.
5862         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5863         symbol_is_local.
5864         (Symbol_table::add_from_pluginobj): Likewise.
5865         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5866
5867 2010-01-11  Doug Kwan  <dougkwan@google.com>
5868
5869         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5870         (incremental_dump_LDADD): Add linking option for libintl.
5871         * Makefile.in: Regenerate.
5872
5873 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5874
5875         PR gold/11144
5876         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5877         instead of -Ds.
5878         * testsuite/Makefile.in: Regenerated.
5879
5880 2010-01-10  Doug Kwan  <dougkwan@google.com>
5881
5882         * options.h (DEFINE_var): Use parentheses around argument varname__
5883         in macro body to avoid any unintended subsequent substitutions.
5884
5885 2010-01-10  Ian Lance Taylor  <iant@google.com>
5886
5887         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5888         candidates before doing symbol resolution.
5889
5890         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5891         ODR candidates if only one is weak.
5892
5893 2010-01-08  Ian Lance Taylor  <iant@google.com>
5894
5895         * script.cc (Version_script_info::build_expression_list_lookup):
5896         Don't warn about ambiguous version, just record the ambiguity.
5897         (Version_script_info::get_symbol_version_helper): Give error if
5898         version is ambiguous.
5899
5900 2010-01-08  Doug Kwan  <dougkwan@google.com>
5901
5902         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5903           prev_data_size_ and prev_addralign_.  Remove initializer for
5904           deleted data member has_been_changed_.
5905           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5906           to determine if the table is empty.
5907           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5908           Remove.
5909           (Stub_table::add_reloc_stub): Define method in class definition
5910           instead of just declaring it there.
5911           (Stub_table::add_cortex_a8_stub): New method definition.
5912           (Stub_table::update_data_size_and_addralign): Ditto.
5913           (Stub_table::finalize_stubs): Ditto.
5914           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5915           (Stub_table::do_addralign_): Return address alignment in the
5916           (Stub_table::do_reset_address_and_file_offset): Define method in
5917           class definition instead of declaring it there.  Set current data
5918           size to be the data size of the previous pass.
5919           (Stub_table::set_final_data_size): Use current data size as the
5920           final data size.
5921           (Stub_table::relocate_stub): Change parameter type of stub from
5922           Reloc_stub pointer to Stub pointer.
5923           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5924           (Stub_table::Cortex_a8_stub_list): New typedef.
5925           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5926            Stub_table::prev_addralign_): New data member.
5927           (Arm_relobj::Arm_relobj): Initialize data member
5928           section_has_cortex_a8_workaround_.
5929           (Arm_relobj::section_has_cortex_a8_workaround,
5930            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5931            definitions.
5932           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5933           declarations.
5934           (Target_arm::relocate_stub): Change parameter type of stub from
5935           Reloc_stub pointer to Stub pointer.
5936           (Insn_template::size, Insn_template::alignment): Handle
5937           THUMB16_SPECIAL_TYPE.
5938           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5939            Stub_table::update_data_size_and_addralign,
5940            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5941           definitions.
5942           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5943           (Stub_table::do_write): Ditto.
5944           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5945
5946 2010-01-08  Ian Lance Taylor  <iant@google.com>
5947
5948         PR 11108
5949         * symtab.h (class Symbol): Remove fields is_target_special_ and
5950         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5951         (Symbol::is_defined_in_discarded_section): New function.
5952         (Symbol::set_is_defined_in_discarded_section): New function.
5953         (Symbol::has_plt_offset): Rewrite.
5954         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5955         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5956         Don't initialize is_target_special_ or has_plt_offset_.
5957         Initialize is_defined_in_discarded_section_.
5958         (Symbol_table::add_from_relobj): If appropriate, set
5959         is_defined_in_discarded_section.
5960         * resolve.cc (Symbol::override_base_with_special): Don't test
5961         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5962         * target-reloc.h (relocate_section): Do special handling for
5963         symbols defined in discarded sections for global symbols as well
5964         as local symbols.
5965
5966 2010-01-08  Ian Lance Taylor  <iant@google.com>
5967
5968         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5969         the SHT_SYMTAB case.
5970
5971 2010-01-08  Ian Lance Taylor  <iant@google.com>
5972
5973         * object.cc (Sized_relobj::do_layout): Don't get confused if
5974         layout_eh_frame returns NULL.
5975
5976 2010-01-08  Ian Lance Taylor  <iant@google.com>
5977
5978         PR 11084
5979         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5980         dynamic symbol table, use the normal symbol table.
5981         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5982         symbol table.
5983
5984 2010-01-08  Ian Lance Taylor  <iant@google.com>
5985
5986         PR 11072
5987         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5988         sections.
5989
5990 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5991
5992         * version.cc (print_version): Change to "Copyright 2010".
5993
5994 2010-01-08  Ian Lance Taylor  <iant@google.com>
5995
5996         PR 10287
5997         PR 11063
5998         * i386.cc (class Target_i386): Change return type of plt_section
5999         to be non-const.
6000         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6001         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6002         tls_desc_rel_ field.
6003         (Output_data_plt_i386::rel_tls_desc): New function.
6004         (Target_i386::rel_tls_desc_section): New function.
6005         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6006         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6007         R_386_TLS_DESC reloc in rel_tls_desc_section.
6008         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6009         Define struct Tlsdesc_info.
6010         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6011         (Target_x86_64::do_reloc_symbol_index): New function.
6012         (Target_x86_64::add_tlsdesc_info): New function.
6013         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6014         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6015         tlsdesc_rel_ field.
6016         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6017         all callers.
6018         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6019         (Target_x86_64::rela_tlsdesc_section): New function.
6020         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6021         handling.
6022         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6023         (Target_x86_64::do_reloc_addend): New function.
6024         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6025         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6026         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6027         (Output_reloc::type): New function.
6028         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6029         (Output_reloc::is_target_specific): New function.
6030         (Output_reloc::target_arg): New function.
6031         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6032         absolute relocs and target specific relocs.
6033         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6034         add_target_specific.
6035         (class Output_data_reloc) [SHT_RELA]: Likewise.
6036         * output.cc (Output_reloc::Output_reloc): Add four new versions
6037         for absolute relocs and target specific relocs.
6038         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6039         (Output_reloc::get_symbol_index): Likewise.
6040         (Output_reloc::local_section_offset): Check that local_sym_index_
6041         is not TARGET_CODE or 0.
6042         (Output_reloc::symbol_value): Likewise.
6043         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6044         reloc.
6045         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6046         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6047         functions.
6048         * layout.cc (add_target_dynamic_tags): Use output section for
6049         DT_PLTRELSZ and DT_JMPREL.
6050
6051 2010-01-07  Ian Lance Taylor  <iant@google.com>
6052
6053         PR 11061
6054         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6055         function.
6056         (class Output_data_reloc_generic): Define.
6057         (class Output_data_reloc_base): Change base class to
6058         Output_data_reloc_generic.  Change add() method to call
6059         bump_relative_reloc_count for a relative reloc.  Remove
6060         sort_relocs_ field.
6061         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6062         to sort_relocs().
6063         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6064         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6065         appropriate.
6066         * layout.h (class Layout): Update declaration.
6067
6068 2010-01-07  Ian Lance Taylor  <iant@google.com>
6069
6070         * output.h (class Output_data): Add const version of
6071         output_section and do_output_section.
6072         (class Output_section_data): Add const version of
6073         do_output_section.
6074         (class Output_section): Likewise.
6075         * layout.cc (Layout::add_target_dynamic_tags): New function.
6076         * layout.h (class Layout): Update declarations.
6077         * arm.cc (Target_arm::do_finalize_sections): Use
6078         add_target_dynamic_tags.
6079         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6080         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6081         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6082         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6083
6084 2010-01-07  Ian Lance Taylor  <iant@google.com>
6085
6086         PR 11042
6087         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6088         object as needed.
6089
6090 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6091             Ian Lance Taylor  <iant@google.com>
6092
6093         PR 11019
6094         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6095         Xindex::read_symtab_xindex.
6096
6097 2010-01-07  Doug Kwan  <dougkwan@google.com>
6098
6099         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6100         (Insn_template::thumb16_bcond_insn): New method declaration.
6101         (Insn_template): Fix spelling.
6102         (Stub::thumb16_special): New method declaration.
6103         (Stub::do_write): Define virtual method which was previously pure
6104         virtual.
6105         (Stub::do_thumb16_special): New method declaration.
6106         (Stub::do_fixed_endian_write): New template member.
6107         (Reloc_stub::do_write): Remove.
6108         (Reloc_stub::do_fixed_endian_write): Remove.
6109         (Cortex_a8_stub): New class definition.
6110         (Stub_factory::make_cortex_a8_stub): New method definition.
6111         (Stub_factory::Stub_factory): Add missing static storage class
6112         qualifier for elf32_arm_stub_a8_veneer_blx.
6113
6114 2010-01-07  Ian Lance Taylor  <iant@google.com>
6115
6116         PR 10980
6117         * options.h (class General_options): Add --warn-unresolved-symbols
6118         and --error-unresolved-symbols.
6119         * errors.cc (Errors::undefined_symbol): Implement
6120         --warn-unresolved-symbols.
6121
6122         * options.h (class General_options): Add -z text and -z textoff.
6123         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6124
6125 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6126
6127         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6128         (Garbage_collection::cident_sections): New function.
6129         (Garbage_collection::add_cident_section): New function.
6130         (Garbage_collection::cident_sections_): New member.
6131         (gc_process_relocs): Add references to sections whose names are C
6132         identifiers.
6133         * gold.h (cident_section_start_prefix): New constant.
6134         (cident_section_stop_prefix): New constant.
6135         (is_cident): New function.
6136         * layout.cc (Layout::define_section_symbols): Replace string constants
6137         with the newly defined constants.
6138         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6139         C identifiers.
6140         * testsuite/Makefile.am: Add gc_orphan_section_test.
6141         * testsuite/Makefile.in: Regenerate.
6142         * testsuite/gc_orphan_section_test.cc: New file.
6143         * testsuite/gc_orphan_section_test.sh: New file.
6144
6145 2010-01-06  Ian Lance Taylor  <iant@google.com>
6146
6147         PR 10980
6148         * options.h (class General_options): Add --warn-shared-textrel.
6149         * layout.cc (Layout::finish_dynamic_section): Implement
6150         --warn-shared-textrel.
6151
6152         PR 10980
6153         * options.h (class General_options): Add --warn-multiple-gp.
6154
6155 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6156
6157         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6158         $(THREADSLIB) and $(LIBDL).
6159         * Makefile.in: Rebuild.
6160
6161 2010-01-06  Ian Lance Taylor  <iant@google.com>
6162
6163         PR 10980
6164         * options.cc (General_options::parse_section_start): New function.
6165         (General_options::section_start): New function.
6166         (General_options::General_options): Initialize all members.
6167         * options.h: Include <map>
6168         (class General_options): Add --section-start.  Add section_starts_
6169         member.
6170         * layout.cc (Layout::attach_allocated_section_to_segment): If
6171         --section-start was used, set the address of the segment.  Remove
6172         local sort_sections.
6173         (Layout::relaxation_loop_body): If the address of the load segment
6174         has been set by --section-start, don't use it.
6175         * output.h (Output_segment::update_flags_for_output_section): New
6176         function.
6177         * output.cc (Output_segment::add_output_section): Call
6178         update_flags_for_output_section.
6179
6180 2010-01-05  Ian Lance Taylor  <iant@google.com>
6181
6182         PR 10980
6183         * options.h (class General_options): Add --undefined-version.
6184         * script.cc (struct Version_expression): Add was_matched_by_symbol
6185         field.
6186         (Version_script_info::matched_symbol): New function.
6187         (Version_script_info::get_symbol_version_helper): Call
6188         matched_symbol.
6189         (Version_script_info::check_unmatched_names): New function.
6190         * script.h (class Version_script_info): Update declarations.
6191         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6192
6193         * options.h (class General_options): Use DEFINE_bool_alias for
6194         allow_multiple_definition.
6195         * resolve.cc (Symbol_table::should_override): Don't test
6196         allow_multiple_definition.
6197
6198         PR 10980
6199         * options.h (class General_options): Add --cref.
6200         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6201         until after printing cref table.
6202         * cref.cc: Include "symtab.h".
6203         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6204         (Cref_table_compare::operator()): New function.
6205         (Cref_inputs::gather_cref): New function.
6206         (filecol): New static const.
6207         (Cref_inputs::print_cref): New function.
6208         (Cref::print_cref): New function.
6209         * cref.h: Include <cstdio>.
6210         (class Cref): Update declarations.
6211         * mapfile.h (Mapfile::file): New function.
6212         * object.h (class Object): Define Symbols.  Declare virtual
6213         do_get_global_symbols.
6214         (Object::get_global_symbols): New function.
6215         * object.cc (Input_objects::add_object): Pass object to cref_ if
6216         --cref.
6217         (Input_objects::archive_start): Likewise.
6218         (Input_objects::archive_stop): Likewise.
6219         (Input_objects::print_cref): New function.
6220         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6221         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6222         --cref.
6223         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6224         function.
6225         * plugin.h (class Sized_pluginobj): Update declarations.
6226
6227 2010-01-05  Ian Lance Taylor  <iant@google.com>
6228
6229         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6230         to is_default_version.  Rename insdef to insdefault.
6231         (Symbol_table::add_from_relobj): Rename def to is_default_version
6232         and local to is_forced_local.
6233         (Symbol_table::add_from_pluginobj): Likewise.
6234         (Symbol_table::add_from_dynobj): Likewise.
6235         (Symbol_table::define_special_symbol): Rename insdef to
6236         insdefault.
6237
6238 2010-01-04  Ian Lance Taylor  <iant@google.com>
6239
6240         PR 10980
6241         * options.h (class General_options): Add
6242         --allow-multiple-definition and -z muldefs.
6243         * resolve.cc (Symbol_table::should_override): Don't warn about a
6244         multiple symbol definition if --allow-multiple-definition or -z
6245         muldefs.
6246
6247         PR 10980
6248         * options.h (class General_options): Add --add-needed and
6249         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6250         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6251         error if --copy-dt-needed-entries aka --add-needed is used and
6252         would cause a change in behaviour.
6253
6254         PR 10980
6255         * options.h (class General_options): Add -G as a short version of
6256         --shared.  Add no-op options -assert, -g, and -i.
6257
6258 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6259
6260         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6261         check for .text or .gnu.linkonce.t sections.
6262         * icf.cc (Icf::find_identical_sections): Ditto.
6263         Change the detection for mangled function name within the section
6264         name.
6265         * icf.h (is_section_foldable_candidate): New function.
6266
6267 2009-12-30  Ian Lance Taylor  <iant@google.com>
6268
6269         PR 10980
6270         * options.h (class General_options): Permit two dashes with
6271         --retain-symbols-file.
6272
6273 2009-12-30  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10979
6276         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6277         don't put the file header and segment headers in the text
6278         segment.
6279
6280         PR 10979
6281         * common.cc (Sort_commons::operator()): Stabilize sort when both
6282         entries are NULL.
6283         (Symbol_table::do_allocate_commons_list): When allocating common
6284         symbols, skip a symbol which is no longer common.
6285         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6286         an object before checking its type.
6287         * testsuite/common_test_2.c: New file.
6288         * testsuite/common_test_3.c: New file.
6289         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6290         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6291         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6292         (common_test_2_pic.o, common_test_2.so): New targets.
6293         (common_test_3_pic.o, common_test_3.so): New targets.
6294         * testsuite/Makefile.in: Rebuild.
6295
6296         PR 10979
6297         * script.cc (read_input_script): If we see a new SECTIONS clause,
6298         and we have added an input section, give an error.
6299         * layout.h (class Layout): Add have_added_input_section function.
6300         Add have_added_input_section_ field.
6301         * layout.cc (Layout::Layout): Initialize
6302         have_added_input_section_.
6303         (Layout::layout): Set have_added_input_section_.
6304         (Layout::layout_eh_frame): Likewise.
6305
6306 2009-12-30  Ian Lance Taylor  <iant@google.com>
6307
6308         PR 10931
6309         * options.h (class General_options): Add --sort-common option.
6310         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6311         * common.cc (Sort_common): Add sort_order parameter to
6312         constructor.  Add sort_order_ field.
6313         (Sort_commons::operator): Check sort_order_.
6314         (Symbol_table::allocate_commons): Determine the sort order.
6315         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6316         Change all callers.
6317         (Symbol_table::do_allocate_commons_list): Likewise.
6318
6319 2009-12-30  Ian Lance Taylor  <iant@google.com>
6320
6321         PR 10916
6322         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6323         symbols from this object, don't change the visibility of an
6324         undefined symbol.
6325         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6326
6327 2009-12-30  Ian Lance Taylor  <iant@google.com>
6328
6329         PR 10861
6330         * script.h (class Version_script_info): Define Language enum.
6331         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6332         new fields globals_, locals_, and is_finalized_.
6333         * script.cc: Various formatting fixes.
6334         (class Parser_closure): Change language_stack_ from a vector of
6335         std::string to one of Version_script_info::Language.  Adjust all
6336         uses accordingly.
6337         (class Lazy_demangler): Remove.
6338         (struct Version_expression): Change language from std::string to
6339         Version_script_info::Language.
6340         (Version_script_info::Version_script_info): New function.
6341         (Version_script_info::~Version_script_info): Don't call clear.
6342         (Version_script_info::finalize): New function.
6343         (Version_script_info::build_lookup_tables): New function.
6344         (Version_script_info::build_expression_list_lookup): New
6345         function.
6346         (Version_script_info::get_symbol_version_helper): Rewrite to use
6347         lookup tables.
6348         (Version_script_info::print_expression_list): Adjust to use
6349         Version_script_info::Language.
6350         (script_push_lex_into_version_mode): Check that the version script
6351         has not been finalized.
6352         (version_script_push_lang): Change language string to
6353         Version_script_info::Language.
6354         * options.cc (Command_line::version_script): New function.
6355         * options.h (class General_options): Add finalize_dynamic_list
6356         function.  Change version_script from declaration to definition.
6357         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6358         * testsuite/version_script.map: Remove duplicate def of foo.
6359         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6360         version_script.map.
6361         * testsuite/Makefile.in: Rebuild.
6362
6363 2009-12-30  Ian Lance Taylor  <iant@google.com>
6364
6365         PR 10843
6366         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6367         if the input symbol index is 0, make the output symbol index 0.
6368
6369 2009-12-30  Ian Lance Taylor  <iant@google.com>
6370
6371         PR 10670
6372         * options.h (class General_options): Add -x/--discard-all.
6373         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6374         --discard-all.  If the local symbol needs a dynamic entry, check
6375         that before handling --discard-locals.
6376
6377 2009-12-30  Ian Lance Taylor  <iant@google.com>
6378
6379         PR 10450
6380         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6381         flags to PF_R.
6382         (Output_segment::add_output_section): Don't change the flags if
6383         the type is PT_TLS.
6384
6385         PR 10450
6386         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6387         GNU hash table if they need a dynamic value.  Otherwise, don't add
6388         them if they are defined in a dynamic object or are forced local.
6389
6390 2009-12-29  Ian Lance Taylor  <iant@google.com>
6391
6392         PR 10450
6393         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6394         .gnu.hash table for a 32-bit target.
6395
6396         PR 10450
6397         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6398         regular and a dynamic object only needs a dynamic symbol table
6399         entry if it is externally visible.
6400
6401         PR 10450
6402         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6403         constructor.  Add global_offset_table_ field.
6404         (Target_i386::got_section): Set global_offset_table_.
6405         (Target_i386::do_finalize_sections): Set global_offset_table_
6406         size.
6407         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6408         in constructor.  Add global_offset_table_ field.
6409         (Target_x86_64::got_section): Set global_offset_table_.
6410         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6411         size.
6412
6413         * layout.cc (Layout::Layout): Initialize increase_relro_.
6414         (Layout::get_output_section): Add is_relro, is_last_relro, and
6415         is_first_non_relro parameters.  Change all callers.
6416         (Layout::choose_output_section): Likewise.
6417         (Layout::add_output_section_data): Likewise.
6418         (Layout::make_output_section): Likewise.
6419         (Layout::set_segment_offsets): Clear increase_relro when using a
6420         linker script.
6421         * layout.h (class Layout): Add increase_relro method.  Add
6422         increase_relro_ field.  Update declarations.
6423         * output.cc (Output_section::Output_section): Initialize
6424         is_last_relro_ and is_first_non_relro_.
6425         (Output_segment::add_output_section): Group relro sections is
6426         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6427         (Output_segment::maximum_alignment): Remove relro handling.
6428         (Output_segment::set_section_addresses): Add increase_relro
6429         parameter.  Change all callers.  Add initial alignment to align
6430         relro sections on separate page.  Remove old relro handling.
6431         (Output_segment::set_section_list_addresses): Remove in_relro
6432         parameter.  Change all callers.
6433         (Output_segment::set_offset): Add increase parameter.  Change all
6434         callers.  Remove old relro handling.
6435         * output.h (class Output_section): Add new methods: is_last_relro,
6436         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6437         Add is_last_relro_ and is_first_non_relro_ fields.
6438         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6439         Create separate .got.plt section.  Call increase_relro.
6440         * x86_64.cc (Target_x86_64::got_section): Likewise.
6441         * testsuite/relro_script_test.t: Add .got.plt.
6442
6443         PR 10450
6444         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6445         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6446         (Layout::finalize): Call set_dynamic_symbol_size.
6447         (Layout::set_dynamic_symbol_size): New function.
6448         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6449         set_dynamic_symbol_size.
6450
6451         PR 10450
6452         * output.h (class Output_section): Add is_entsize_zero_ field.
6453         * output.cc (Output_section::Output_section): Initialize
6454         is_entsize_zero_.
6455         (Output_section::set_entsize): If two different entsizes are
6456         requested, force it to zero.
6457         (Output_section::add_input_section): Set flags for .debug_str
6458         before updating section flags.  Set entsize.
6459         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6460         and SHF_STRING if all input sections have those flags.
6461
6462 2009-12-29   Rafael Espindola  <espindola@google.com>
6463
6464         * main.cc (main): Fix the sys time reporting.
6465         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6466         reporting.
6467
6468 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6469
6470         * options.cc (General_options::parse_version): Allow -v to exit
6471         without an error if there is nothing to link.
6472
6473 2009-12-29  Ian Lance Taylor  <iant@google.com>
6474
6475         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6476         using a version of gcc before 4.1.
6477         * configure: Rebuild.
6478
6479 2009-12-28  Chris Demetriou  <cgd@google.com>
6480
6481         * attributes.cc (Output_attributes_section_data::do_write): Use
6482         std::vector::front rather than std::vector::data.
6483
6484 2009-12-28  Ian Lance Taylor  <iant@google.com>
6485
6486         * symtab.h (class Symbol_table): Add enum Defined.
6487         * resolve.cc (Symbol_table::should_override): Add defined
6488         parameter.  Change all callers.  Test whether object is NULL
6489         before calling a method on it.
6490         (Symbol_table::report_resolve_problem): Add defined parameter.
6491         Change all callers.
6492         (Symbol_table::should_override_with_special): Likewise.
6493         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6494         parameter.  Change all callers.
6495         (Symbol_table::do_define_in_output_data): Likewise.
6496         (Symbol_table::define_in_output_segment): Likewise.
6497         (Symbol_table::do_define_in_output_segment): Likewise.
6498         (Symbol_table::define_as_constant): Likewise.
6499         (Symbol_table::do_define_as_constant): Likewise.
6500         * script.h (class Symbol_assignment): Add is_defsym parameter to
6501         constructor; change all callers.
6502         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6503         parameter.  Change all callers.  Add is_defsym_ field.
6504         (class Parser_closure): Add parsing_defsym parameter to
6505         constructor; change all callers.  Add parsing_defsym accessor
6506         function.  Add parsing_defsym_ field.
6507
6508 2009-12-28  Ian Lance Taylor  <iant@google.com>
6509
6510         * gold.cc (queue_middle_tasks): Fix formatting.
6511         * object.cc (Relobj::is_section_name_included): Likewise.
6512
6513 2009-12-23  Ian Lance Taylor  <iant@google.com>
6514
6515         * i386.cc (Target_i386::do_calls_non_split): Recognize
6516         -fsplit-stack prologue for a function with a static chain.
6517         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6518         -fsplit-stack prologue when using %r11.
6519
6520 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6521
6522         * options.cc (General_options::parse_version): Make -v continue and do
6523         the link like GNU ld does.
6524
6525 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6526
6527         * Makefile.am (CCFILES): Add timer.cc.
6528         (HFILES): Add timer.h.
6529         * configure.ac: Check for sysconf and times.
6530         * main.cc: include timer.h.
6531         (main): Use Timer instead of get_run_time.
6532         * timer.cc: New.
6533         * timer.h: New.
6534         * workqueue.cc: include timer.h.
6535         (Workqueue::find_and_run_task):
6536         Report user, sys and wall time.
6537         * Makefile.in: Regenerate.
6538         * config.in: Regenerate.
6539         * configure: Regenerate.
6540
6541 2009-12-16  Doug Kwan  <dougkwan@google.com>
6542
6543         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6544         sections.
6545         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6546         relaxed input sections.
6547         * output.cc (Output_section::find_relaxed_input_section): Change
6548         return type to Output_relaxed_input_section pointer.  Adjust code
6549         for new type of relaxed_input_section_map_.
6550         * output.h (Output_section::find_relaxed_input_section): Change
6551         return type to Output_relaxed_input_section pointer.
6552         (Output_section::Output_relaxed_input_section_by_input_section_map):
6553         New type.
6554         (Output_section::relaxed_input_section_map_): Change type to
6555         Output_section::Output_relaxed_input_section_by_input_section_map.
6556         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6557         input section.
6558
6559 2009-12-15  Ian Lance Taylor  <iant@google.com>
6560
6561         * layout.cc (Layout::create_shstrtab): Only write out after input
6562         sections if we are compressing debug sections.
6563
6564 2009-12-15  Ian Lance Taylor  <iant@google.com>
6565
6566         * archive.cc (Archive::add_symbols): Only look up a symbol without
6567         a version if there is, in fact, a version.
6568
6569 2009-12-14  Ian Lance Taylor  <iant@google.com>
6570
6571         Revert -Wshadow changes, all changes from:
6572         2009-12-11  Doug Kwan  <dougkwan@google.com>
6573         2009-12-11  Nick Clifton  <nickc@redhat.com>
6574         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6575
6576 2009-12-11  Doug Kwan  <dougkwan@google.com>
6577
6578         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6579         due to -Wshadow.
6580         * attributes.cc (Object_attribute::size): Ditto.
6581         (Attributes_section_data::size): Ditto.
6582         (Attributes_section_data::Attributes_section_data): Ditto.
6583         (Output_attributes_section_data::do_write): Ditto.
6584         * attributes.h (Object_attribute::set_type): Ditto.
6585         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6586
6587 2009-12-11  Nick Clifton  <nickc@redhat.com>
6588
6589         * archive.cc: Fix shadowed variable warnings.
6590         * arm.cc: Likewise.
6591         * compressed_output.cc: Likewise.
6592         * compressed_output.h: Likewise.
6593         * configure: Likewise.
6594         * dwarf_reader.cc: Likewise.
6595         * dynobj.cc: Likewise.
6596         * dynobj.h: Likewise.
6597         * ehframe.cc: Likewise.
6598         * ehframe.h: Likewise.
6599         * errors.cc: Likewise.
6600         * expression.cc: Likewise.
6601         * fileread.cc: Likewise.
6602         * fileread.h: Likewise.
6603         * freebsd.h: Likewise.
6604         * i386.cc: Likewise.
6605         * icf.cc: Likewise.
6606         * incremental.h: Likewise.
6607         * layout.cc: Likewise.
6608         * layout.h: Likewise.
6609         * mapfile.cc: Likewise.
6610         * merge.cc: Likewise.
6611         * merge.h: Likewise.
6612         * object.cc: Likewise.
6613         * object.h: Likewise.
6614         * options.h: Likewise.
6615         * output.cc: Likewise.
6616         * output.h: Likewise.
6617         * parameters.cc: Likewise.
6618         * plugin.cc: Likewise.
6619         * powerpc.cc: Likewise.
6620         * reduced_debug_output.cc: Likewise.
6621         * reduced_debug_output.h: Likewise.
6622         * reloc.cc: Likewise.
6623         * reloc.h: Likewise.
6624         * resolve.cc: Likewise.
6625         * script-sections.cc: Likewise.
6626         * script.cc: Likewise.
6627         * script.h: Likewise.
6628         * sparc.cc: Likewise.
6629         * symtab.cc: Likewise.
6630         * symtab.h: Likewise.
6631         * target-select.cc: Likewise.
6632         * target-select.h: Likewise.
6633         * token.h: Likewise.
6634         * workqueue.cc: Likewise.
6635         * workqueue.h: Likewise.
6636         * x86_64.cc: Likewise.
6637
6638 2009-12-10  Doug Kwan  <dougkwan@google.com>
6639
6640         * arm.cc (attributes.h): New include.
6641         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6642         (Arm_relobj::~Arm_relobj): Delete object pointed by
6643         attributes_section_data_.
6644         (Arm_relobj::attributes_section_data): New method definition.
6645         (Arm_relobj::attributes_section_data_): New data member declaration.
6646         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6647         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6648         attributes_section_data_.
6649         (Arm_dynobj::attributes_section_data): New method definition.
6650         (Arm_dynobj::attributes_section_data_): New data member declaration.
6651         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6652         initialization value of may_use_blx_ to false.
6653         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6654         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6655         object attributes to compute results instead of hard-coding.
6656         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6657         Target_arm::get_secondary_compatible_arch,
6658         Target_arm::set_secondary_compatible_arch
6659         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6660         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6661         New method declarations.
6662         (Target_arm::get_aeabi_object_attribute): New method definition.
6663         (Target_arm::attributes_section_data_): New data member declaration.
6664         (read_arm_attributes_section): New template definition.
6665         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6666         (Arm_dynobj::do_read_symbols): Ditto.
6667         (Target_arm::do_finalize_sections): Merge attributes sections from
6668         input.  Check for BLX use after attributes section merging.
6669         Fix __exidx_start and __exidx_end visibility.  Create an
6670         .ARM.attributes section if necessary.
6671         (Target_arm::get_secondary_compatible_arch,
6672         Target_arm::set_secondary_compatible_arch,
6673         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6674         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6675         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6676         New method definitions.
6677
6678 2009-12-09  Ian Lance Taylor  <iant@google.com>
6679
6680         * plugin.cc (Plugin::load): Don't cast from void* to a function
6681         pointer.
6682
6683 2009-12-09  Ian Lance Taylor  <iant@google.com>
6684
6685         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6686         information fields.
6687
6688 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6689
6690         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6691         Replace two_file_shared_1.so with two_file_shared_2.so.
6692         * testsuite/Makefile.in: Regenerated.
6693
6694 2009-12-08  Doug Kwan  <dougkwan@google.com>
6695
6696         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6697         (HFILES): Add attributes.h and int_encoding.h.
6698         * Makefile.in: Regenerate.
6699         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6700         function definitions to int_encoding.cc
6701         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6702         prototypes to int_encoding.h
6703         * reduced_debug_output.cc (int_encoding.h): New include.
6704         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6705         function definitions to int_encoding.cc
6706         (insert_into_vector, read_from_pointer): Move template definitions to
6707         int_encoding.h
6708         * attributes.cc: New file.
6709         * attributes.h: New file.
6710         * int_encoding.cc: New file.
6711         * int_encoding.h: New file.
6712
6713 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6714
6715         PR gold/11055
6716         * incremental-dump.cc (dump_incremental_inputs): New.
6717         (main): Use dump_incremental_inputs.
6718
6719 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6720
6721         PR gold/10893
6722         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6723         checking elfcpp::STT_FUNC.
6724         (Target_i386::Relocate::relocate): Likewise.
6725         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6726
6727         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6728         symbols from shared libraries into normal FUNC symbols.
6729
6730         * symtab.h (Symbol): Add is_func and use it.
6731
6732 2009-12-05  Doug Kwan  <dougkwan@google.com>
6733
6734         * arm.cc (Target_arm::arm_info): Initialize new fields
6735         attributes_section and attributes_vendor.
6736         * i386.cc (Target_i386::i386_info): Same.
6737         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6738         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6739         fields attributes_section and attributes_vendor.
6740         * sparc.cc (Target_sparc::sparc_info): Same.
6741         * target.h (Target::attributes_section, Target::attributes_vendor,
6742         Target::is_attributes_section, Target::attribute_arg_type,
6743         Target::attributes_order): New method definitions.
6744         (Target::Target_info::attributes_section,
6745         Target::Target_info::attributes_vendor): New fields.
6746         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6747         virtual method definitions.
6748         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6749         attributes_section and attributes_vendor.
6750         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6751
6752 2009-12-05  Doug Kwan  <dougkwan@google.com>
6753
6754         * arm.cc: Update comments about interworking and stub generation.
6755         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6756         considered as non-PIC.
6757         (Arm_relocate_functions::base_abs): Fix formatting.
6758         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6759         of function to use GOT entry address instead of offset.
6760         (Target_arm::Scan::global): Issue an error if a symbol would need a
6761         PLT does not get one because it is untyped.  Remove code to create
6762         dynamic symbols for relative branches.
6763         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6764         takes unsigned integer instead of boolean.
6765
6766 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6767
6768         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6769         (two_file_test_LDADD): Likewise.
6770         (common_test_1_LDADD): Likewise.
6771         (exception_test_LDADD) Likewise.
6772         (weak_test_LDADD): Likewise.
6773         (many_sections_test_LDADD): Likewise.
6774         (initpri1_LDADD): Likewise.
6775         (script_test_1_LDADD): Likewise.
6776         (script_test_2_LDADD): Likewise.
6777         (justsyms_LDADD): Likewise.
6778         (binary_test_LDADD): Likewise.
6779         (large_LDADD): Likewise.
6780         * testsuite/Makefile.in: Regenerated.
6781
6782 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6783
6784         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6785         (Symbol_table::override_with_special): Likewise.
6786         (Symbol_table::add_from_object): Likewise.
6787
6788 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6789
6790         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6791         Don't set the data_offset twice.
6792
6793 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6794
6795         * testsuite/Makefile.in: Regenerate.
6796
6797 2009-12-03  Doug Kwan  <dougkwan@google.com>
6798
6799         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6800         (Target_arm::do_finalize_sections): Add parameter for symbol table
6801         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6802         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6803         parameter for symbol table pointer.
6804         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6805         an additional parameter for a pointer to symbol table.
6806         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6807         parameter for a symbol table pointer.
6808         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6809         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6810         Ditto.
6811         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6812         parameter for a symbol table pointer.
6813
6814 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6815
6816         * incremental.cc (Incremental_inputs_header)
6817         (Incremental_inputs_header_write, Incremental_inputs_entry)
6818         (Incremental_inputs_entry_write): Move ...
6819         * incremental.h (Incremental_inputs_header)
6820         (Incremental_inputs_header_write, Incremental_inputs_entry)
6821         (Incremental_inputs_entry_write): here.
6822
6823 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6824
6825         * incremental.cc (make_sized_incremental_binary): Set the target.
6826         Error if it is incompatible.
6827         * output.h (Output_file): Add filename method.
6828
6829 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6830
6831         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6832         from the get_* methods.
6833
6834 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6835
6836         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6837         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6838         Write 0 for the data_offset of scripts.
6839
6840 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6841
6842         * testsuite/Makefile.am: Add the incremental_test.sh test.
6843         * testsuite/incremental_test.sh: New.
6844         * testsuite/incremental_test_1.c: New.
6845         * testsuite/incremental_test_2.c: New.
6846
6847 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6848
6849        * incremental-dump.cc (main): Fix typos.
6850
6851 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6852
6853         PR gold/11025
6854         * incremental-dump.cc (main): Use llu to print 64 bit values.
6855
6856 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6857             H.J. Lu  <hongjiu.lu@intel.com>
6858
6859         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6860         $(LIBDL).
6861         (incremental_dump_LDADD): Likewise.
6862         * Makefile.in: Regenerated.
6863
6864 2009-11-25  Doug Kwan  <dougkwan@google.com>
6865
6866         Revert:
6867
6868         2009-11-25  Doug Kwan  <dougkwan@google.com>
6869
6870                 * arm.cc (Target_arm::Target_arm): Move method definition
6871                 outside of class definition.  Add code to handle
6872                 --target1-rel, --target1-abs and --target2= options.
6873                 (Target_arm::get_reloc_reloc_type): Change method to be
6874                 non-static and const.
6875                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6876                 New data member declaration.
6877                 (Target_arm::Scan::local, Target_arm::Scan::global,
6878                 Target_arm::Relocate::relocate,
6879                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6880                 Adjust call to Target_arm::get_real_reloc_type.
6881                 (Target_arm::get_real_reloc_type): Use command line options
6882                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6883                 * options.h (--target1-rel, --target1-abs, --target2): New
6884                 ARM-only options.
6885
6886 2009-11-25  Doug Kwan  <dougkwan@google.com>
6887
6888         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6889         class definition.  Add code to handle --target1-rel, --target1-abs
6890         and --target2= options.
6891         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6892         and const.
6893         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6894         member declaration.
6895         (Target_arm::Scan::local, Target_arm::Scan::global,
6896         Target_arm::Relocate::relocate,
6897         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6898         call to Target_arm::get_real_reloc_type.
6899         (Target_arm::get_real_reloc_type): Use command line options to
6900         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6901         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6902         options.
6903
6904 2009-11-25  Doug Kwan  <dougkwan@google.com>
6905
6906         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6907         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6908         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6909         formatting.
6910         (Arm_relocate_functions::thm_call): Replace body with a call to
6911         Arm_relocate_functions::thumb_branch_common.
6912         (Arm_relocate_functions::thm_jump24,
6913         Arm_relocate_functions::thm_xpc22): New method definitions.
6914         (Arm_relocate_functions::thumb_branch_common): New method definition.
6915         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6916         operator.
6917         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6918         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6919
6920 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6921
6922         * Makefile.am: Build incremental-dump
6923         * Makefile.in: Regenerate.
6924         * incremental-dump.cc: New.
6925         * incremental.cc (Incremental_inputs_header_data,
6926         Incremental_inputs_entry_data): Move to incremental.h
6927         * incremental.h: (Incremental_inputs_header_data,
6928         Incremental_inputs_entry_data): Move from incremental.cc
6929
6930 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6931
6932         * incremental.cc (Incremental_inputs_header,
6933         Incremental_inputs_header_write, Incremental_inputs_entry,
6934         Incremental_inputs_entry_write): Add a typedef with the data type.
6935
6936 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6937
6938         * incremental.cc (Incremental_inputs_header,
6939         Incremental_inputs_header_write, Incremental_inputs_entry,
6940         Incremental_inputs_entry_write): Update comment about which
6941         type has the filed descriptions.
6942
6943 2009-11-15  Doug Kwan  <dougkwan@google.com>
6944
6945         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6946         (Arm_relocate_functions::arm_branch_common): Change method defintion
6947         in class definition to a method declaration and update list of formal
6948         parameters.
6949         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6950         Arm_relocation_functions::jump24): Adjust call to
6951         Arm_relocate_functions::arm_branch_common.  Update list of formal
6952         parameters.
6953         (Arm_relocate_functions::xpc25): New method definition.
6954         (Arm_relocate_functions::arm_branch_common): Move method defintion
6955         out from class definition.  Use stubs for mode-switching and extending
6956         branch ranges.
6957         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6958         specially.  Change code to enable use of stubs in ARM branches.
6959
6960 2009-11-10  Doug Kwan  <dougkwan@google.com>
6961
6962         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6963         in method declaration.
6964         (Target_arm::relocate_stub): New method declaration.
6965         (Target_arm::default_target): Change to return a pointer instead of
6966         a const reference.
6967         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6968         Target_arm::default_target.
6969         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6970         method definition.
6971         (Target_arm::relocate_section): Adjust view.
6972         (Target_arm::relocate_stub): New method definition.
6973
6974 2009-11-10  Doug Kwan  <dougkwan@google.com>
6975
6976         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6977         a format warning.
6978         * incremental.cc (open_incremental_binary): Initialized local
6979         variables to avoid warnings.
6980         * object.cc (make_elf_object): Ditto.
6981         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6982         a format warning.
6983
6984 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6985
6986         PR gold/10930
6987         * testsuite/plugin_test.c: Include "config.h".
6988
6989 2009-11-09  Doug Kwan  <dougkwan@google.com>
6990
6991         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6992         (arm_symbol_value): Remove.
6993         (Arm_relocate_functions::arm_branch_common,
6994         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6995         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6996         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6997         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6998         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6999         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7000         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7001         Arm_relocate_functions::thm_mobw_abs_nc,
7002         Arm_relocate_functions::thm_mov_abs,
7003         Arm_relocate_functions::movw_prel_nc,
7004         Arm_relocate_functions::thm_movt_abs,
7005         Arm_relocate_functions::movt_prel,
7006         Arm_relocate_functions::thm_movw_prel_nc,
7007         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7008         (Target_arm::Relocate::relocate): Only decompose address into two
7009         parts if relocation type uses the thumb-bit and pass the actual
7010         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7011         calls to methods in Arm_relocate_functions for this change.
7012
7013 2009-11-08  Ian Lance Taylor  <iant@google.com>
7014
7015         PR 10925
7016         * reloc.cc: Instantiate
7017         Sized_relobj::initialize_input_to_output_maps and
7018         Sized_relobj:free_input_to_output_maps.
7019
7020 2009-11-06  Ian Lance Taylor  <iant@google.com>
7021
7022         PR 10876
7023         * defstd.cc (in_segment): Set only_if_ref true for "end".
7024
7025 2009-11-06  Doug Kwan  <dougkwan@google.com>
7026
7027         * arm.cc (class Reloc_stub): Correct a comment.
7028         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7029         (Target_arm::scan_section_for_stubs): New method declaration.
7030         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7031         Change methods from private to protected.
7032         (Target_arm::do_may_relax): New method definition.
7033         (Target_arm::do_relax, Target_arm::group_sections,
7034         Target_arm::scan_reloc_for_stub,
7035         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7036         (Target_arm::arm_input_section_map_): New data member declaration.
7037         (Target_arm::scan_reloc_for_stub,
7038         Target_arm::scan_reloc_section_for_stubs,
7039         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7040         Target_arm::do_relax): New method definitions.
7041
7042 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7043
7044         * configure.ac: Check for (struct stat)::st_mtim
7045         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7046         * config.in: Regenerate.
7047         * configure: Regenerate.
7048
7049 2009-11-05  Ian Lance Taylor  <iant@google.com>
7050
7051         PR 10910
7052         * output.cc (Output_segment::add_output_section): Add missing
7053         return statement.
7054
7055 2009-11-04  Ian Lance Taylor  <iant@google.com>
7056
7057         PR 10880
7058         * object.h (class Object): Add is_needed and set_is_needed
7059         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7060         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7061         defined in a dynamic object and referenced by a regular object,
7062         set is_needed for the dynamic object.
7063         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7064         if the file is marked with as_needed and it is not needed.
7065
7066 2009-11-04  Ian Lance Taylor  <iant@google.com>
7067
7068         PR 10887
7069         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7070         tags if data is discarded by linker script.
7071         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7072         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7073         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7074         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7075
7076 2009-11-04  Ian Lance Taylor  <iant@google.com>
7077
7078         * layout.cc (Layout::get_output_section): Add is_interp and
7079         is_dynamic_linker_section parameters.  Change all callers.
7080         (Layout::choose_output_section): Likewise.
7081         (Layout::make_output_section): Likewise.
7082         (Layout::add_output_section_data): Add is_dynamic_linker_section
7083         parameter.  Change all callers.
7084         * layout.h (class Layout): Update declarations.
7085         * output.h (class Output_section): Add is_interp, set_is_interp,
7086         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7087         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7088         generate_code_fills_at_write_ to a bitfield.
7089         * output.cc (Output_section::Output_sections): Initialize new
7090         fields.
7091         (Output_segment::add_output_section): Add do_sort parameter.
7092         Change all callers.
7093
7094 2009-11-03  Ian Lance Taylor  <iant@google.com>
7095
7096         PR 10860
7097         * options.h (class General_options): Add --warn-common.
7098         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7099         merging two common symbols.
7100         (Symbol_table::should_override): Handle --warn-common when merging
7101         a common symbol with a defined symbol.  Use report_resolve_problem
7102         for multiple definitions.
7103         (Symbol_table::report_resolve_problem): New function.
7104         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7105
7106 2009-11-03  Doug Kwan  <dougkwan@google.com>
7107
7108         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7109         stub_factory_.
7110         (Target_arm::stub_factory): New method definition.
7111         (Target_arm::new_arm_input_section,
7112         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7113         Target_arm::reloc_uses_thumb_bit): New method declarations.
7114         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7115         New type definitions.
7116         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7117         member declarations.
7118         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7119         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7120         New method definitions.
7121
7122 2009-11-03  Ian Lance Taylor  <iant@google.com>
7123
7124         * options.h (class General_options): Add --warn_constructors.
7125
7126 2009-11-03  Ian Lance Taylor  <iant@google.com>
7127
7128         PR 10893
7129         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7130         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7131
7132 2009-11-03  Ian Lance Taylor  <iant@google.com>
7133
7134         PR 10895
7135         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7136         --msgid-bugs-address.
7137         (install-pdf): New target.
7138         (install-data_yes): Look up one directory to find mkinstalldirs.
7139
7140 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7141
7142         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7143         tree.
7144
7145 2009-10-30  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7148
7149 2009-10-30  Doug Kwan  <dougkwan@google.com>
7150
7151         * arm.cc (Stub_addend_reader): New struct template definition
7152         and partial specializations.
7153         (Stub_addend_reader::operator()): New method definition for a
7154         partially specialized template.
7155
7156 2009-10-30  Doug Kwan  <dougkwan@google.com>
7157
7158         * arm.cc (Arm_relobj::processor_specific_flags): New method
7159         definition.
7160         (Arm_relobj::do_read_symbols): New method declaration.
7161         (Arm_relobj::processor_specific_flags_): New data member declaration.
7162         (Arm_dynobj): New class definition.
7163         (Target_arm::do_finalize_sections): Add input_objects parameter.
7164         (Target_arm::do_adjust_elf_header): New method declaration.
7165         (Target_arm::are_eabi_versions_compatible,
7166         (Target_arm::merge_processor_specific_flags): New method declaration.
7167         (Target_arm::do_make_elf_object): New overloaded method definitions
7168         and declaration.
7169         (Arm_relobj::do_read_symbols): New method definition.
7170         (Arm_dynobj::do_read_symbols): Ditto.
7171         (Target_arm::do_finalize_sections): Add input_objects parameters.
7172         Merge processor-specific flags from all input objects.
7173         (Target_arm::are_eabi_versions_compatible,
7174         Target_arm::merge_processor_specific_flags,
7175         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7176         New method definitions.
7177         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7178         Input_objects pointer type parameter.
7179         * layout.cc (Layout::finalize): Pass input objects to target's.
7180         finalize_sections function.
7181         * output.cc (Output_file_header::do_sized_write): Set ELF file
7182         header's processor-specific flags.
7183         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7184         Input_objects pointer type parameter.
7185         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7186         * target.h (Input_objects): New forward class declaration.
7187         (Target::processor_specific_flags,
7188         Target::are_processor_specific_flags_sect): New method definitions.
7189         (Target::finalize_sections): Add input_objects parameter.
7190         (Target::Target): Initialize processor_specific_flags_ and
7191         are_processor_specific_flags_set_.
7192         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7193         parameter.
7194         (Target::set_processor_specific_flags): New method definition.
7195         (Target::processor_specific_flags_,
7196         Target::are_processor_specific_flags_set_): New data member
7197         declarations.
7198         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7199         Input_objects pointer type parameter.
7200
7201 2009-10-30  Doug Kwan  <dougkwan@google.com>
7202
7203         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7204
7205 2009-10-28  Ian Lance Taylor  <iant@google.com>
7206
7207         * object.h (class Relobj): Drop options parameter from
7208         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7209         do_scan_relocs, do_relocate.  Change all callers.
7210         (class Sized_relobj): Drop options parameters from
7211         do_gc_process_relocs, do_scan_relocs, do_relocate,
7212         do_relocate_sections, relocate_sections, emit_relocs_scan,
7213         emit_relocs_scan_reltype.  Change all callers.
7214         (struct Relocate_info): Remove options field and all references to
7215         it.
7216         * reloc.h (class Read_relocs): Remove options constructor
7217         parameter and options_ field.  Change all callers.
7218         (class Gc_process_relocs, class Scan_relocs): Likewise.
7219         (class Relocate_task): Likewise.
7220         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7221         all callers.
7222         (scan_relocatable_relocs): Likewise.
7223         * target.h (class Sized_target): Remove options parameter from
7224         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7225         all callers.
7226         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7227         callers.
7228         * arm.cc: Update functions to remove options parameters.
7229         * i386.cc: Likewise.
7230         * powerpc.cc: Likewise.
7231         * sparc.cc: Likewise.
7232         * x86_64.cc: Likewise.
7233         * testsuite/testfile.cc: Likewise.
7234
7235 2009-10-28  Doug Kwan  <dougkwan@google.com>
7236
7237         * arm.cc (Arm_relobj): New class definition.
7238         (Arm_relobj::scan_sections_for_stubs,
7239         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7240         New method definitions.
7241
7242 2009-10-28  Cary Coutant  <ccoutant@google.com>
7243
7244         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7245         (Plugin::cleanup_done_): New member.
7246         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7247         (Plugin_manager::cleanup_done_): Remove.
7248         (Plugin_manager::add_input_file): Edit error message.
7249         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7250         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7251
7252 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7253
7254         * fileread.cc: (File_read::View::~View): Use the new
7255         data_ownership_ filed.
7256         (File_read::~File_read): Dispose the new whole_file_view_.
7257         (File_read::open): Mmap the whole file if needed.
7258         (File_read::open): Use whole_file_view_ instead of contents_.
7259         (File_read::find_view): Use whole_file_view_ if applicable.
7260         (File_read::do_read): Use whole_file_view_ instead of contents_.
7261         (File_read::make_view): Use whole_file_view_ instead of contents_,
7262         update File_read::View::View call.
7263         (File_read::find_or_make_view): Update File_read::View::View
7264         call.
7265         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7266         remove contents_
7267         (File_read::View::Data_ownership): New enum.
7268         (File_read::View::View): Replace bool mapped_ with Data_ownership
7269         argument.
7270         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7271         (File_read::View::data_ownership_): New field.
7272         (File_read::contents_): Remove (replaced by whole_file_view_).
7273         (File_read::whole_file_view_): New field.
7274         * options.h (class General_options): Add --keep-files-mapped.
7275
7276 2009-10-27  Cary Coutant  <ccoutant@google.com>
7277
7278         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7279         * testsuite/Makefile.am (plugin_test_5): New test case.
7280         * testsuite/Makefile.in: Regenerate.
7281
7282 2009-10-25  Doug Kwan  <dougkwan@google.com>
7283
7284         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7285         from private to protected to allow access by child class.
7286         (Sized_relobj::do_relocate_sections): New method declaration.
7287         (Sized_relobj::relocate_sections): Virtualize.
7288         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7289         Sized_relobj::relocate_sections.  Instantiate template explicitly
7290         for different target sizes and endianity.
7291
7292 2009-10-24  Doug Kwan  <dougkwan@google.com>
7293
7294         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7295         (Arm_input_section::as_arm_input_section): New method.
7296         (Arm_output_section): New class definition.
7297         (Arm_output_section::create_stub_group,
7298         Arm_output_section::group_sections): New method definitions.
7299
7300 2009-10-22  Doug Kwan  <dougkwan@google.com>
7301
7302         * arm.cc (Arm_input_section): New class definition.
7303         (Arm_input_section::init, Arm_input_section:do_write,
7304         Arm_input_section::set_final_data_size,
7305         Arm_input_section::do_reset_address_and_file_offset): New method
7306         definitions.
7307
7308 2009-10-21  Doug Kwan  <dougkwan@google.com>
7309
7310         * arm.cc (Stub_table, Arm_input_section): New forward class
7311         declarations.
7312         (Stub_table): New class defintion.
7313         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7314         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7315         New method definition.
7316
7317 2009-10-21  Doug Kwan  <dougkwan@google.com>
7318
7319         * arm.cc: Update copyright comments.
7320         (Target_arm): New forward class template declaration.
7321         (Arm_address): New type.
7322         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7323         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7324         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7325         constants.
7326         (Insn_template): Same.
7327         (DEF_STUBS): New macro.
7328         (Stub_type): New enum type.
7329         (Stub_template): New class definition.
7330         (Stub): Same.
7331         (Reloc_stub): Same.
7332         (Stub_factory): Same.
7333         (Target_arm::Target_arm): Initialize may_use_blx_ and
7334         should_force_pic_veneer_.
7335         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7336         Target_arm::should_force_pic_veneer,
7337         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7338         Target_arm::using_thumb_only, Target_arm:;default_target): New
7339         method defintions.
7340         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7341         New data member declarations.
7342         (Insn_template::size, Insn_template::alignment): New method defintions.
7343         (Stub_template::Stub_template): New method definition.
7344         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7345         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7346         (Stub_factory::Stub_factory): New method definition.
7347         * gold.h (string_hash): New template.
7348         * output.h (Input_section_specifier::hash_value): Use
7349         gold::string_hash.
7350         (Input_section_specifier::string_hash): Remove.
7351         * stringpool.cc (Stringpool_template::string_hash): Use
7352         gold::string_hash.
7353
7354 2009-10-20  Doug Kwan  <dougkwan@google.com>
7355
7356         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7357         symbols of relaxed input sections.
7358         * output.h (Output_section::find_relaxed_input_section): Make
7359         method public.
7360
7361 2009-10-16  Doug Kwan  <dougkwan@google.com>
7362
7363         * dynobj.cc (Versions::Versions): Initialize version_script_.
7364         Only insert base version symbol definition for a shared object
7365         if version script defines any version versions.
7366         (Versions::define_base_version): New method definition.
7367         (Versions::add_def): Check that base version is not needed.
7368         (Versions::add_need): Define base version lazily.
7369         * dynobj.h (Versions::define_base_version): New method declaration.
7370         (Versions::needs_base_version_): New data member declaration.
7371         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7372         (check_DATA): Add no_version_test.stdout.
7373         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7374         New make rules.
7375         * testsuite/Makefile.in: Regenerate.
7376         * testsuite/no_version_test.c: New file.
7377         * testsuite/no_version_test.sh: Ditto.
7378
7379 2009-10-16  Doug Kwan  <dougkwan@google.com>
7380
7381         * expression.cc (class Segment_start_expression): New class definition.
7382         (Segment_start_expression::value): New method definition.
7383         (script_exp_function_segment_start): Return a new
7384         Segment_start_expression.
7385         * gold/script-c.h (script_saw_segment_start_expression): New function
7386         prototype.
7387         * script-sections.cc (Script_sections::Script_sections): Initialize
7388         SAW_SEGMENT_START_EXPRESSION_ to false.
7389         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7390         and -Tbbs options to specify section addresses if given in
7391         command line and no SEGMENT_START expression is seen in a script.
7392         * script-sections.h (Script_sections::saw_segment_start_expression,
7393         Script_sections::set_saw_segment_start_expression): New method
7394         definition.
7395         (Script_sections::saw_segment_start_expression_): New data member
7396         declaration.
7397         * script.cc (script_saw_segment_start_expression): New function.
7398         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7399         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7400         script_test_7.sh and script_test_8.sh.
7401         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7402         script_test_8.stdout.
7403         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7404         (script_test_6, script_test_6.stdout, script_test_7,
7405         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7406         * Makefile.in: Regenerate.
7407         * testsuite/script_test_6.sh: New file.
7408         * testsuite/script_test_6.t: Same.
7409         * testsuite/script_test_7.sh: Same.
7410         * testsuite/script_test_7.t: Same.
7411         * testsuite/script_test_8.sh: Same.
7412
7413 2009-10-16  Doug Kwan  <dougkwan@google.com>
7414
7415         * output.cc (Output_segment::set_section_list_address): Cast
7416         expressions to unsigned long long type to avoid format warnings.
7417
7418 2009-10-15  Ian Lance Taylor  <iant@google.com>
7419
7420         * script.cc (Script_options::add_symbol_assignment): Always add a
7421         dot assignment to script_sections_.
7422         * script-sections.cc (Script_sections::add_dot_assignment):
7423         Initialize if necessary.
7424
7425         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7426         program headers with no load segment if there is a linker script.
7427
7428         * layout.cc (Layout::set_segment_offsets): Align the file offset
7429         to the segment aligment for -N or -n with no load segment.
7430         * output.cc (Output_segment::add_output_section): Don't crash if
7431         the first section is a TLS section.
7432         (Output_segment::set_section_list_addresses): Print an error
7433         message if the address moves backward in a linker script.
7434         * script-sections.cc
7435         (Output_section_element_input::set_section_addresses): Don't
7436         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7437         (Orphan_output_section::set_section_addresses): Likewise.
7438
7439 2009-10-15  Doug Kwan  <dougkwan@google.com>
7440
7441         * layout.cc (Layout::finish_dynamic_section): Generate tags
7442         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7443         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7444         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7445
7446 2009-10-14  Ian Lance Taylor  <iant@google.com>
7447
7448         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7449         fields.
7450         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7451         data_shdr fields of relinfo.
7452         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7453         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7454         R_386_TLS_LDO_32, adjust based on section flags.
7455         (Target_i386::Relocate::fix_up_ldo): Remove.
7456
7457 2009-10-13  Ian Lance Taylor  <iant@google.com>
7458
7459         Add support for -pie.
7460         * options.h (class General_options): Add -pie and
7461         --pic-executable.
7462         (General_options::output_is_position_independent): Test -pie.
7463         (General_options::output_is_executable): Return true if not shared
7464         and not relocatable.
7465         (General_options::output_is_pie): Remove.
7466         * options.cc (General_options::finalize): Reject incompatible uses
7467         of -pie.
7468         * gold.cc (queue_middle_tasks): A -pie link is not static.
7469         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7470         * symtab.cc (Symbol::final_value_is_known): Return false if
7471         output_is_position_independent.
7472         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7473         output_is_position_independent.
7474         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7475         output_is_position_independent.
7476         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7477         output_is_position_independent.
7478         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7479         two_file_pie_test.
7480         (basic_pie_test.o, basic_pie_test): New targets.
7481         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7482         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7483         (two_file_pie_test): New target.
7484         * testsuite/Makefile.in: Rebuild.
7485         * README: Remove note saying that -pie is not supported.
7486
7487 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7488
7489         * options.h (class General_options): Add -init and -fini.
7490         * layout.cc (Layout::finish_dynamic_section): Emit
7491         given init and fini functions.
7492
7493 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7494
7495         * gc.h (gc_process_relocs): Check if icf is enabled using new
7496         function.
7497         * gold.cc (queue_initial_tasks): Likewise.
7498         (queue_middle_tasks): Likewise.
7499         * object.cc (do_layout): Likewise.
7500         * symtab.cc (is_section_folded): Likewise.
7501         * main.cc (main): Likewise.
7502         * reloc.cc (Read_relocs::run): Likewise.
7503         (Sized_relobj::do_scan_relocs): Likewise.
7504         * icf.cc (is_function_ctor_or_dtor): New function.
7505         (Icf::find_identical_sections): Check if function is ctor or dtor when
7506         safe icf is chosen.
7507         * options.h (General_options::icf): Change option to be an enum.
7508         (Icf_status): New enum.
7509         (icf_enabled): New method.
7510         (icf_safe_folding): New method.
7511         (set_icf_status): New method.
7512         (icf_status_): New variable.
7513         * (options.cc) (General_options::finalize): Set icf_status_.
7514         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7515         icf_test and icf_keep_unique_test to use the --icf enum flag.
7516         * testsuite/icf_safe_test.sh: New file.
7517         * testsuite/icf_safe_test.cc: New file.
7518
7519 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7520
7521         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7522         includes to gc.h and icf.h.
7523         * arm.cc: Include gc.h.
7524         * gold.cc: Likewise.
7525         * i386.cc: Likewise.
7526         * powerpc.cc: Likewise.
7527         * sparc.cc: Likewise.
7528         * x86_64.cc: Likewise.
7529         * gc.h: Include icf.h.
7530
7531 2009-10-11  Ian Lance Taylor  <iant@google.com>
7532
7533         * plugin.cc: Include "gold.h" before other header files.
7534
7535 2009-10-10  Chris Demetriou  <cgd@google.com>
7536
7537         * options.h (Input_file_argument::Input_file_type): New enum.
7538         (Input_file_argument::is_lib_): Replace with...
7539         (Input_file_argument::type_): New member.
7540         (Input_file_argument::Input_file_argument): Take Input_file_type
7541         'type' rather than boolean 'is_lib' as second argument.
7542         (Input_file_argument::is_lib): Use type_.
7543         (Input_file_argument::is_searched_file): New function.
7544         (Input_file_argument::may_need_search): Handle is_searched_file.
7545         * options.cc (General_options::parse_library): Support -l:filename.
7546         (General_options::parse_just_symbols): Update for Input_file_argument
7547         changes.
7548         (Command_line::process): Likewise.
7549         * archive.cc (Archive::get_file_and_offset): Likewise.
7550         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7551         * script.cc (read_script_file, script_add_file): Likewise.
7552         * fileread.cc (Input_file::Input_file): Likewise.
7553         (Input_file::will_search_for): Handle is_searched_file.
7554         (Input_file::open): Likewise.
7555         * readsyms.cc (Read_symbols::get_name): Likewise.
7556         * testsuite/Makefile.am (searched_file_test): New test.
7557         * testsuite/Makefile.in: Regenerate.
7558         * testsuite/searched_file_test.cc: New file.
7559         * testsuite/searched_file_test_lib.cc: New file.
7560
7561 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7562             Ian Lance Taylor  <iant@google.com>
7563
7564         * descriptor.cc: Include <cstdio> and "binary-io.h".
7565         (Descriptors::open): Open the files in binary mode always.
7566         * script.cc (Lex::get_token): Treat \r as whitespace.
7567
7568 2009-10-09  Ian Lance Taylor  <iant@google.com>
7569
7570         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7571
7572 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7573             Ian Lance Taylor  <iant@google.com>
7574
7575         * configure.ac: Check for readv function also.
7576         * fileread.cc (readv): Define if not HAVE_READV.
7577         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7578         does not exist.
7579         * config.in: Regenerate.
7580         * configure: Regenerate.
7581
7582 2009-10-09  Doug Kwan  <dougkwan@google.com>
7583
7584         * layout.cc (Layout::make_output_section): Call target hook to make
7585         ordinary output section.
7586         (Layout::finalize): Adjust parameter list of call the
7587         Target::may_relax().
7588         * layout.h (class Layout::section_list): New method.
7589         * merge.h (Output_merge_base::entsize): Change visibility to public.
7590         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7591         New methods.
7592         (Output_merge_string::do_is_string): New method.
7593         * object.cc (Sized_relobj::do_setup): renamed from
7594         Sized_relobj::set_up.
7595         * object.h (Sized_relobj::adjust_shndx,
7596         Sized_relobj::initializ_input_to_output_maps,
7597         Sized_relobj::free_input_to_output_maps): Change visibilities to
7598         protected.
7599         (Sized_relobj::setup): Virtualize.
7600         (Sized_relobj::do_setup): New method declaration.
7601         (Sized_relobj::invalidate_section_offset,
7602         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7603         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7604         * options.cc (parse_int): New function.
7605         * options.h (parse_int): New declaration.
7606         (DEFINE_int): New macro.
7607         (stub_group_size): New option.
7608         * output.cc (Output_section::Output_section): Initialize memebers
7609         merge_section_map_, merge_section_by_properties_map_,
7610         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7611         (Output_section::add_input_section): Handled deferred code-fill
7612         generation and remove an old comment.
7613         (Output_section::add_relaxed_input_section): New method definition.
7614         (Output_section::add_merge_input_section): Use merge section by
7615         properties map to speed to search.  Update merge section maps
7616         as appropriate.
7617         (Output_section::build_relaxation_map): New method definition.
7618         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7619         Same.
7620         (Output_section::relax_input_section): Renamed to
7621         Output_section::convert_input_sections_to_relaxed_sections and change
7622         interface to take a vector of pointers to relaxed sections.
7623         (Output_section::find_merge_section,
7624         Output_section::find_relaxed_input_section): New method definitions.
7625         (Output_section::is_input_address_mapped,
7626         Output_section::output_offset, Output_section::output_address):
7627         Use output section data maps to speed up searching.
7628         (Output_section::find_starting_output_address): Add comments.
7629         (Output_section::do_write,
7630         Output_section::write_to_postprocessing_buffer): Do code-fill
7631         generation as appropriate.
7632         (Output_section::get_input_sections): Invalidate relaxed input section
7633         map.
7634         (Output_section::restore_states): Adjust type of checkpoint .
7635         Invalidate relaxed input section map.
7636         * output.h (Output_merge_base): New class declaration.
7637         (Input_section_specifier): New class defintion.
7638         (class Output_relaxed_input_section) Change base class to
7639         Output_section_data_build.
7640         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7641         base class initializer.
7642         (Output_section::add_relaxed_input_section): New method declaration.
7643         (Output_section::Input_section): Change visibility to protected.
7644         (Output_section::Input_section::relobj,
7645         Output_section::Input_section::shndx): Handle relaxed input sections.
7646         Output_section::input_sections) Change visibility to protected.  Also
7647         define overload to return a non-const pointer.
7648         (Output_section::Merge_section_properties): New class defintion.
7649         (Output_section::Merge_section_by_properties_map,
7650         Output_section::Output_section_data_by_input_section_map,
7651         Output_section::Relaxation_map): New types.
7652         (Output_section::relax_input_section): Rename method to
7653         Output_section::convert_input_sections_to_relaxed_sections and change
7654         interface to take a vector of relaxed section pointers.
7655         (Output_section::find_merge_section,
7656         Output_section::find_relaxed_input_section,
7657         Output_section::build_relaxation_map,
7658         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7659         New method declarations.
7660         (Output_section::merge_section_map_
7661         Output_section::merge_section_by_properties_map_,
7662         Output_section::relaxed_input_section_map_,
7663         Output_section::is_relaxed_input_section_map_valid_,
7664         Output_section::generate_code_fills_at_write_): New data members.
7665         * script-sections.cc
7666         (Output_section_element_input::set_section_addresses): Call
7667         current_data_size and addralign methods of relaxed input sections.
7668         (Orphan_output_section::set_section_addresses): Call current_data_size
7669         and addralign methods of relaxed input sections.
7670         * symtab.cc (Symbol_table::compute_final_value): Extract template
7671         from the body of Symbol_table::sized_finalize_symbol.
7672         (Symbol_table::sized_finalized_symbol): Call
7673         Symbol_table::compute_final_value.
7674         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7675         (Symbol_table::compute_final_value): New templated method declaration.
7676         * target.cc (Target::do_make_output_section): New method defintion.
7677         * target.h (Target::make_output_section): New method declaration.
7678         (Target::relax): Add more parameters for input objects, symbol table
7679         and layout.  Adjust call to do_relax.
7680         (Target::do_make_output_section): New method declaration.
7681         (Target::do_relax): Add parameters for input objects, symbol table
7682         and layout.
7683
7684 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7685
7686         * pread.c: Include stdio.h.
7687
7688 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7689
7690         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7691         defined.
7692
7693 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7694
7695         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7696         Change read_shndx type to unsigned int.
7697         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7698         int.
7699         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7700         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7701         Change read_shndx type to unsigned int.
7702         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7703         int.
7704         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7705         * layout.cc (Layout::create_symtab_sections): Cast the result of
7706         local_symcount * symsize to off_t in the gold_assert.
7707
7708 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7709
7710         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7711         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7712         R_ARM_BASE_ABS.
7713         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7714         (Arm_relocate_functions::thm_abs5): New function.
7715         (Arm_relocate_functions::abs12): New function.
7716         (Arm_relocate_functions::abs16): New function.
7717         (Arm_relocate_functions::base_abs): New function.
7718         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7719         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7720         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7721         R_ARM_BASE_ABS.
7722         (Scan::global): Likewise.
7723         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7724         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7725         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7726         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7727         R_ARM_BASE_ABS.
7728
7729 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7730
7731         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7732         (Arm_relocate_functions::movt_prel): New function.
7733         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7734         (Arm_relocate_functions::thm_movt_prel): New function.
7735         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7736         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7737         (Scan::global, Relocate::relocate): Likewise.
7738         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7739
7740 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7741
7742         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7743         Incremental_checker.
7744         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7745         unsigned int.
7746         (class Incremental_inputs_header): New class.
7747         (Incremental_inputs_header_writer): Edit comment.
7748         (Incremental_inputs_entry): New class.
7749         (Incremental_inputs_entry_writer): Edit comment.
7750         (Sized_incremental_binary::do_find_incremental_inputs_section):
7751         Add *strtab_shndx parameter, fill it.
7752         (Sized_incremental_binary::do_check_inputs): New method.
7753         (Incremental_checker::can_incrementally_link_output_file): Use
7754         Sized_incremental_binary::check_inputs.
7755         (Incremental_inputs::report_command_line): Save command line in
7756         command_line_.
7757         * incremental.h:
7758         (Incremental_binary::find_incremental_inputs_section): New
7759         method.
7760         (Incremental_binary::do_find_incremental_inputs_section): Add
7761         strtab_shndx parameter.
7762         (Incremental_binary::do_check_inputs): New pure virtual method.
7763         (Sized_incremental_binary::do_check_inputs): Declare.
7764         (Incremental_checker::Incremental_checker): Add incremental_inputs
7765         parameter, use it to initialize incremental_inputs_.
7766         (Incremental_checker::incremental_inputs_): New field.
7767         (Incremental_checker::command_line): New method.
7768         (Incremental_checker::inputs): New method.
7769         (Incremental_checker::command_line_): New field.
7770
7771 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7772
7773         * incremental.cc: Include <cstdarg> and "target-select.h".
7774         (vexplain_no_incremental): New function.
7775         (explain_no_incremental): New function.
7776         (Incremental_binary::error): New method.
7777         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7778         method.
7779         (make_sized_incremental_binary): New function.
7780         (open_incremental_binary): New function.
7781         (can_incrementally_link_file): Add checks if output is ELF and has
7782         inputs section.
7783         * incremental.h: Include "elfcpp_file.h" and "output.h".
7784         (Incremental_binary): New class.
7785         (Sized_incremental_binary): New class.
7786         (open_incremental_binary): Declare.
7787         * object.cc (is_elf_object): Use
7788         elfcpp::Elf_recognizer::is_elf_file.
7789         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7790         * output.h (Output_file::filesize): New method.
7791
7792 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7793
7794         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7795         New function.
7796         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7797         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7798         function.
7799         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7800         function.
7801         (Arm_relocate_functions::movw_abs_nc): New function.
7802         (Arm_relocate_functions::movt_abs): New function.
7803         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7804         (Arm_relocate_functions::thm_movt_abs): New function.
7805         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7806         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7807         (Scan::global): Likewise.
7808         (Relocate::relocate): Likewise.
7809         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7810
7811 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7812
7813         * arm.cc (Arm_relocate_functions::got_prel) New function.
7814         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7815         (Relocate::relocate): Likewise.
7816         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7817
7818 2009-10-06  Ian Lance Taylor  <iant@google.com>
7819
7820         * options.h (class General_options): Define
7821         split_stack_adjust_size parameter.
7822         * object.h (class Object): Add uses_split_stack_ and
7823         has_no_split_stack_ fields.  Add uses_split_stack and
7824         has_no_split_stack accessor functions.  Declare
7825         handle_split_stack_section.
7826         (class Reloc_symbol_changes): Define.
7827         (class Sized_relobj): Define Function_offsets.  Declare
7828         split_stack_adjust, split_stack_adjust_reltype, and
7829         find_functions.
7830         * object.cc (Object::handle_split_stack_section): New function.
7831         (Sized_relobj::do_layout): Call handle_split_stack_section.
7832         * dynobj.cc (Sized_dynobj::do_layout): Call
7833         handle_split_stack_section.
7834         * reloc.cc (Sized_relobj::relocate_sections): Call
7835         split_stack_adjust for executable sections in split_stack
7836         objects.  Pass reloc_map to relocate_section.
7837         (Sized_relobj::split_stack_adjust): New function.
7838         (Sized_relobj::split_stack_adjust_reltype): New function.
7839         (Sized_relobj::find_functions): New function.
7840         * target-reloc.h: Include "object.h".
7841         (relocate_section): Add reloc_symbol_changes parameter.  Change
7842         all callers.
7843         * target.h (class Target): Add calls_non_split method.  Declare
7844         do_calls_non_split virtual method.  Declare match_view and
7845         set_view_to_nop.
7846         * target.cc: Include "elfcpp.h".
7847         (Target::do_calls_non_split): New function.
7848         (Target::match_view): New function.
7849         (Target::set_view_to_nop): New function.
7850         * gold.cc (queue_middle_tasks): Give an error if mixing
7851         split-stack and non-split-stack objects with -r.
7852         * i386.cc (Target_i386::relocate_section): Add
7853         reloc_symbol_changes parameter.
7854         (Target_i386::do_calls_non_split): New function.
7855         * x86_64.cc (Target_x86_64::relocate_section): Add
7856         reloc_symbol_changes parameter.
7857         (Target_x86_64::do_calls_non_split): New function.
7858         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7859         parameter.
7860         * powerpc.cc (Target_powerpc::relocate_section): Add
7861         reloc_symbol_changes parameter.
7862         * sparc.cc (Target_sparc::relocate_section): Add
7863         reloc_symbol_changes parameter.
7864         * configure.ac: Call AM_CONDITIONAL for the default target.
7865         * configure: Rebuild.
7866         * testsuite/Makefile.am (TEST_AS): New variable.
7867         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7868         (check_DATA): Add split_i386 and split_x86_64 files.
7869         (SPLIT_DEFSYMS): Define.
7870         (split_i386_[1234n].o): New targets.
7871         (split_i386_[124]): New targets.
7872         (split_i386_[1234r].stdout): New targets.
7873         (split_x86_64_[1234n].o): New targets.
7874         (split_x86_64_[124]): New targets.
7875         (split_x86_64_[1234r].stdout): New targets.
7876         (MOSTLYCLEANFILES): Add new executables.
7877         * testsuite/split_i386.sh: New file.
7878         * testsuite/split_x86_64.sh: New file.
7879         * testsuite/split_i386_1.s: New file.
7880         * testsuite/split_i386_2.s: New file.
7881         * testsuite/split_i386_3.s: New file.
7882         * testsuite/split_i386_4.s: New file.
7883         * testsuite/split_i386_n.s: New file.
7884         * testsuite/split_x86_64_1.s: New file.
7885         * testsuite/split_x86_64_2.s: New file.
7886         * testsuite/split_x86_64_3.s: New file.
7887         * testsuite/split_x86_64_4.s: New file.
7888         * testsuite/split_x86_64_n.s: New file.
7889         * testsuite/testfile.cc (Target_test): Update relocation_section
7890         function.
7891         * testsuite/Makefile.in: Rebuild.
7892
7893 2009-10-06  Ian Lance Taylor  <iant@google.com>
7894
7895         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7896         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7897         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7898         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7899         the address on ldo_addrs_.
7900         (Target_i386::Relocate::fix_up_ldo): New function.
7901
7902 2009-10-06   Rafael Espindola  <espindola@google.com>
7903
7904         * plugin.cc (add_input_library): New.
7905         (Plugin::load): Add add_input_library to tv.
7906         (Plugin_manager::add_input_file): Add the is_lib argument.
7907         (add_input_file): Update call to Plugin_manager::add_input_file.
7908         (add_input_library): New.
7909         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7910
7911 2009-09-30  Doug Kwan  <dougkwan@google.com>
7912
7913         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7914         symbol and call Symbol::may_need_copy_reloc to determine if
7915         a copy reloc is needed.
7916         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7917         nocopyreloc is given in command line.
7918         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7919         given in command line.
7920         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7921         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7922         of the removed Target_i386::may_need_copy_reloc.
7923         * options.h (copyreloc): New option with default value false.
7924         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7925         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7926         instead of the removed Target_powerpc::may_need_copy_reloc.
7927         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7928         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7929         instead of the removed Target_sparc::may_need_copy_reloc.
7930         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7931         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7932         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7933         instead of the removed Target_x86_64::may_need_copy_reloc.
7934
7935 2009-09-30  Ian Lance Taylor  <iant@google.com>
7936
7937         * object.h (class Object): Remove target_ field, and target,
7938         sized_target, and set_target methods.
7939         (Object::sized_target): Remove.
7940         (class Sized_relobj): Update declarations.  Remove sized_target.
7941         * object.cc (Sized_relobj::setup): Remove target parameter.
7942         Change all callers.
7943         (Input_objects::add_object): Don't do anything with the target.
7944         (make_elf_sized_object): Add punconfigured parameter.  Change all
7945         callers.  Set or test parameter target.
7946         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7947         Change all callers.
7948         * parameters.cc (Parameters::set_target): Change parameter type to
7949         be non-const.
7950         (Parameters::default_target): Remove.
7951         (set_parameters_target): Change parameter type to be non-const.
7952         (parameters_force_valid_target): New function.
7953         (parameters_clear_target): New function.
7954         * parameters.h (class Parameters): Update declarations.  Remove
7955         default_target method.  Add sized_target and clear_target
7956         methods.  Change target_ to be non-const.
7957         (set_parameters_target): Update declaration.
7958         (parameters_force_valid_target): Declare.
7959         (parameters_clear_target): Declare.
7960         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7961         as NULL if we aren't searching.
7962         (Add_symbols::run): Don't check for compatible target.
7963         * fileread.cc (Input_file::open_binary): Call
7964         parameters_force_valid_target.
7965         * gold.cc (queue_middle_tasks): Likewise.
7966         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7967         set_target on object.
7968         * dynobj.h (class Sized_dynobj): Update declarations.
7969         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7970         make_elf_object returns NULL.
7971         (Archive::include_member): Don't check whether object target is
7972         compatible.
7973         * output.cc (Output_section::add_input_section): Get target from
7974         parameters.
7975         (Output_section::relax_input_section): Likewise.
7976         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7977         parameters.
7978         (Sized_relobj::do_scan_relocs): Likewise.
7979         (Sized_relobj::relocate_sections): Likewise.
7980         * resolve.cc (Symbol_table::resolve): Likewise.
7981         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7982         parameter.  Change all callers.
7983         (Symbol_table::add_from_object): Get target from parameters.
7984         (Symbol_table::add_from_relobj): Don't check object target.
7985         (Symbol_table::add_from_dynobj): Likewise.
7986         (Symbol_table::define_special_symbol): Get target from
7987         parameters.
7988         * symtab.h (class Symbol_table): Update declaration.
7989         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7990         parameter.  Change all callers.  Clear parameter target.
7991         (Binary_test): Test target here.
7992         * testsuite/object_unittest.cc (gold_testsuite): Remove
7993         target_test_pointer parameter.  Change all callers.
7994         (Object_test): Test target here.
7995
7996 2009-09-26  Ian Lance Taylor  <iant@google.com>
7997
7998         * testsuite/initpri1.c: Don't try to use constructor priorities if
7999         compiling with gcc before 4.3.
8000
8001 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8002
8003         * testsuite/retain_symbols_file_test.sh (check_present): Change
8004         output file name to retain_symbols_file_test.stdout.
8005         (check_absent): Likewise.
8006
8007 2009-09-18  Craig Silverstein  <csilvers@google.com>
8008
8009         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8010         * options.cc: Include <cerrno> and <fstream>.
8011         (General_options::finalize): Parse -retain-symbols-file tag.
8012         * options.h: New flag.
8013         (General_options): New method should_retain_symbol, new
8014         variable symbols_to_retain.
8015         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8016         should_retain_symbol map.
8017         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8018         * testsuite/Makefile.in: Regenerate.
8019         * testsuite/retain_symbols_file_test.sh: New file.
8020
8021 2009-09-18  Nick Clifton  <nickc@redhat.com>
8022
8023         * po/es.po: Updated Spanish translation.
8024
8025 2009-09-17  Doug Kwan  <dougkwan@google.com>
8026
8027         * debug.h (DEBUG_RELAXATION): New constant.
8028         (DEBUG_ALL): Add DEBUG_RELAXATION.
8029         (debug_string_to_enum): Add relaxation debug option.
8030         * layout.cc
8031         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8032         Layout::Relaxation_debug_check::read_sections,
8033         Layout::Relaxation_debug_check::read_sections): New method definitions.
8034         (Layout::Layout): Initialize data members
8035         record_output_section_data_from_scrips_,
8036         script_output_section_data_list_ and relaxation_debug_check_.
8037         (Layout::save_segments, Layout::restore_segments,
8038         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8039         Layout::relaxation_loop_body): New method definitions.
8040         (Layout::finalize): Support relaxation.  Move section layout code to
8041         Layout::relaxation_loop_body.
8042         (Layout::set_asection_address_from_script): Move code for orphan
8043         section placement out.
8044         (Layout::place_orphan_sections_in_script): New method definition.
8045         * layout.h (Output_segment_headers, Output_file_header):
8046         New forward class declarations.
8047         (Layout::~Layout): Define.
8048         (Layout::new_output_section_data_from_script): New method definition.
8049         (Layout::place_orphan_sections_in_script): New method declaration.
8050         (Layout::Segment_states): New type declaration.
8051         (Layout::save_segments, Layout::restore_segments,
8052         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8053         Layout::relaxation_loop_body): New method declarations.
8054         (Layout::Output_section_data_list): New type declaration.
8055         (Layout::Relaxation_debug_check): New class definition.
8056         (Layout::record_output_section_data_from_script_,
8057         Layout::script_output_section_data_list_, Layout::segment_states_,
8058         Layout::relaxation_debug_check_): New data members.
8059         * output.cc: (Output_section_headers::do_size): New method definition.
8060         (Output_section_headers::Output_section_headers): Move size
8061         computation to Output_section_headers::do_size.
8062         (Output_segment_headers::do_size): New method definition.
8063         (Output_file_header::Output_file_header): Move size computation to
8064         Output_file_header::do_size and call it.
8065         (Output_file_header::do_size): New method definition.
8066         (Output_data_group::Output_data_group): Adjust call to
8067         Output_section_data.
8068         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8069         (Output_symtab_xindex::do_write): Add array bound check.
8070         (Output_section::Input_section::print_to_mapfile): Handle
8071         RELAXED_INPUT_SECTION_CODE.
8072         (Output_section::Output_section): Initialize data member checkpoint_.
8073         (Output_section::~Output_section): Delete checkpoint object pointed
8074         by checkpoint_.
8075         (Output_section::add_input_section): Always add an Input_section if
8076         relaxing.
8077         (Output_section::add_merge_input_section): Add assert.
8078         (Output_section::relax_input_section): New method definition.
8079         (Output_section::set_final_data_size): Set load address to zero for
8080         an unallocated section.
8081         (Output_section::do_address_and_file_offset_have_reset_values):
8082         New method definition.
8083         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8084         Handle relaxed input section.
8085         (Output_section::sort_attached_input_sections): Checkpoint input
8086         section list lazily.
8087         (Output_section::get_input_sections): Change type of input_sections to
8088         list of Simple_input_section pointers.  Checkpoint input section list
8089         lazily.  Also handle relaxed input sections.
8090         (Output_section::add_input_section_for_script): Take a reference to
8091         a Simple_input_section object instead of Relobj pointer and section
8092         index as parameter.  Handle relaxed input sections.
8093         (Output_section::save_states, Output_section::restore_states): New
8094         method definitions.
8095         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8096         (Output_data::is_data_size_fixed): New method definition.
8097         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8098         if it is fixed.
8099         (Output_data::address_and_file_offset_have_reset_values): New method
8100         definition.
8101         (Output_data::do_address_and_file_offset_have_reset_values): New method
8102         definition.
8103         (Output_data::set_data_size): Check that data size is not fixed.
8104         (Output_data::fix_data_size): New method definition.
8105         (Output_data::is_data_size_fixed_): New data member.
8106         (Output_section_headers::set_final_data_size): New method definition.
8107         (Output_section_headers::do_size): New method declaration.
8108         (Output_segment_headers::set_final_data_size): New method definition.
8109         (Output_segment_headers::do_size): New method declaration.
8110         (Output_file_header::set_final_data_size)::New method definition.
8111         (Output_file_header::do_size)::New method declaration.
8112         (Output_section_data::Output_section_data): Add new parameter
8113         is_data_size_fixed and use it to fix data size.
8114         (Output_data_const::Output_data_const): Adjust call to base class
8115         constructor and fix data size.
8116         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8117         base class constructor and fix data size.
8118         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8119         base class constructor and fix data size.
8120         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8121         class constructor and fix data size.
8122         (Output_data_group::set_final_data_size): New method definition.
8123         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8124         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8125         class constructor and fix data size.
8126         (Output_relaxed_input_section): New class definition.
8127         (Output_section::Simple_input_section): New class definition.
8128         (Output_section::get_input_sections): Adjust parameter list.
8129         (Output_section::add_input_section_for_script): Same.
8130         (Output_section::save_states, Output_section::restore_states,
8131         Output_section::do_address_and_file_offset_have_reset_values,
8132         (Output_section::Input_section::Input_section): Handle
8133         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8134         Output_relaxed_input_section.
8135         (Output_section::Input_section::is_input_section,
8136         Output_section::Input_section::set_output_section): Handle relaxed
8137         input section.
8138         (Output_section::Input_section::is_relaxed_input_section,
8139         Output_section::Input_section::output_section_data,
8140         Output_section::Input_section::relaxed_input_section): New method
8141         definitions.
8142         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8143         value.
8144         (Output_section::Input_section::u1_): Update comments.
8145         (Output_section::Input_section::u2_): Add new union member poris.
8146         (Output_section::Checkpoint_output_section): New classs definition.
8147         (Output_section::relax_input_section): New method declaration.
8148         (Output_section::checkpoint_): New data member.
8149         (Output_segment): Update comments.
8150         (Output_segment::Output_segment): Un-privatize copy constructor.
8151         (Output_segment::operator=): Un-privatize.
8152         * script-sections.cc (Output_section_element::Input_section_list):
8153         Change element type to Output_section::Simple_input_section.
8154         (Output_section_element_dot_assignment::set_section_addresses):
8155         Register output section data for relaxation clean up.
8156         (Output_data_exression::Output_data_expression): Adjust call to base
8157         constructor to fix data size.
8158         (Output_section_element_data::set_section_addresses): Register
8159         Output_data_expression object for relaxation clean up.
8160         (struct Input_section_info): Replace Relobj pointer and section index
8161         pair with Output_section::Simple_input_section and Convert struct to a
8162         class.
8163         (Input_section_sorter::operator()): Adjust access to
8164         Input_section_info data member to use accessors.
8165         (Output_section_element_input::set_section_addresses): Use layout
8166         parameter.  Adjust code to use Output_section::Simple_input_section
8167         and Input_secction_info classes.  Register filler for relaxation
8168         clean up.
8169         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8170         and section index pair with Output_section::Simple_input_section
8171         class.  Adjust code accordingly.
8172         (Phdrs_element::release_segment): New method definition.
8173         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8174         segment list.
8175         (Script_sections::release_segments): New method definition.
8176         * gold/script-sections.h (Script_sections::release_segments): New
8177         method declaration.
8178         * gold/target.h (Target::may_relax, Target::relax,
8179         Target::do_may_relax, Target::do_relax): New method definitions.
8180
8181 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8182
8183         * arm.cc (has_signed_unsigned_overflow): New function.
8184         (Arm_relocate_functions::abs8): New function.
8185         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8186         (Target_arm::Scan::global): Likewise.
8187         (Target_arm::relocate::relocate): Likewise.
8188         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8189         Likewise.
8190
8191 2009-09-16  Cary Coutant  <ccoutant@google.com>
8192
8193         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8194         * testsuite/Makefile.in: Regenerate.
8195
8196 2009-09-11  Nick Clifton  <nickc@redhat.com>
8197
8198         * po/gold.pot: Updated by the Translation project.
8199
8200 2009-09-08  Cary Coutant  <ccoutant@google.com>
8201
8202         * output.cc (Output_file::open): Add execute permission to empty file.
8203         * testsuite/Makefile.am (permission_test): New test.
8204         * testsuite/Makefile.in: Regenerate.
8205
8206 2009-09-02  Ian Lance Taylor  <iant@google.com>
8207
8208         * output.cc (Output_file::resize): Call map_no_anonymous rather
8209         than map.
8210
8211 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8212
8213         * gold.cc: Include "incremental.h".
8214         (queue_initial_tasks): Call Incremental_checker methods.
8215         * incremental.cc: Include "output.h".
8216         (Incremental_checker::can_incrementally_link_output_file): New
8217         method.
8218         * incremental.h (Incremental_checker): New class.
8219
8220         * output.cc (Output_file::open_for_modification): New method.
8221         (Output_file::map_anonymous): Changed return type to bool.  Record
8222         map in base_ field.
8223         (Output_file::map_no_anonymous): New method, broken out of map.
8224         (Output_file::map): Use map_no_anonymous and map_anonymous.
8225         * output.h (class Output_file): Update declarations.
8226
8227 2009-08-24  Cary Coutant  <ccoutant@google.com>
8228
8229         * options.h (Command_line::Pre_options): New class.
8230         (Command_line::pre_options): New member.
8231         * options.cc (gold::options::ready_to_register): New variable.
8232         (One_option::register_option): Do nothing if not registering options.
8233         Assert if same short option registered twice.
8234         (General_options::General_options): Turn off option registration when
8235         done constructing.
8236         (Command_line::Pre_options::Pre_options): New constructor.
8237
8238 2009-08-24  Cary Coutant  <ccoutant@google.com>
8239
8240         * options.h (General_options::no_keep_memory): Remove incorrect
8241         short option.
8242
8243 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8244
8245         * Makefile.am (am__skiplex, am__skipyacc): New.
8246         * Makefile.in: Regenerate.
8247
8248 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8249
8250         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8251         (INCLUDES): ... this.
8252         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8253         (AM_CPPFLAGS): Renamed from ...
8254         (INCLUDE): ... this.
8255         * Makefile.in, testsuite/Makefile.in: Regenerate.
8256
8257         * Makefile.in: Regenerate.
8258         * aclocal.m4: Likewise.
8259         * config.in: Likewise.
8260         * configure: Likewise.
8261         * testsuite/Makefile.in: Likewise.
8262
8263         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8264         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8265         * Makefile.in: Regenerate.
8266         * testsuite/Makefile.in: Regenerate.
8267
8268 2009-08-19  Cary Coutant  <ccoutant@google.com>
8269
8270         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8271         symbols in shared libraries overridden by hidden or internal symbols
8272         in the main program.
8273
8274 2009-08-19  Chris Demetriou  <cgd@google.com>
8275
8276         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8277         checking source file names in error messages.
8278
8279 2009-08-18  Doug Kwan  <dougkwan@google.com>
8280
8281         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8282         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8283         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8284         an elfcpp::Ehdr as parameter.
8285         * object.cc (Object::set_target): Remove the version that looks up
8286         a target and sets it.
8287         (Sized_relobj::setup): Take a Target object instead of
8288         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8289         (make_elf_sized_object): Find target and ask target to
8290         make an ELF object.
8291         * object.h: (Object::set_target): Remove the version that looks up
8292         a target and sets it.
8293         (Sized_relobj::setup): Take a Target object instead of
8294         an elfcpp:Ehdr as parameter.
8295         * target.cc: Include dynobj.h.
8296         (Target::do_make_elf_object_implementation): New.
8297         (Target::do_make_elf_object): New.
8298         * target.h (Target::make_elf_object): New template declaration.
8299         (Target::do_make_elf_object): New method declarations.
8300         (Target::do_make_elf_object_implementation): New template declaration.
8301
8302 2009-08-14  Ian Lance Taylor  <iant@google.com>
8303
8304         * gold.h (FUNCTION_NAME): Define.
8305         (gold_unreachable): Use FUNCTION_NAME.
8306
8307 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8308
8309         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8310         symbol in the --keep-unique list is not found.
8311
8312 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8313
8314         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8315         been maked as --keep-unique.
8316         (Icf::unfold_section): New function.
8317         * icf.h (Icf::unfold_section): New function.
8318         * options.h (General_options::keep_unique): New option.
8319         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8320         * testsuite/Makefile.in: Regenerate.
8321         * testsuite/icf_keep_unique_test.sh: New file.
8322         * testsuite/icf_keep_unique_test.cc: New file.
8323
8324 2009-08-12  Cary Coutant  <ccoutant@google.com>
8325
8326         PR 10471
8327         * resolve.cc (Symbol_table::resolve): Check for references from
8328         dynamic objects to hidden and internal symbols.
8329         * testsuite/Makefile.am (hidden_test.sh): New test.
8330         * testsuite/Makefile.in: Regenerate.
8331         * testsuite/hidden_test.sh: New script.
8332         * testsuite/hidden_test_1.c: New test source.
8333         * testsuite/hidden_test_main.c: New test source.
8334
8335 2009-08-11  Doug Kwan  <dougkwan@google.com>
8336
8337         * arm.cc: Update comments.
8338         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8339         segment to locate the .ARM.exidx section if present.
8340
8341 2009-08-09  Doug Kwan  <dougkwan@google.com>
8342
8343         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8344         patch.
8345
8346 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8347         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8348         compiler warnings.
8349
8350 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8351
8352         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8353         valid tls_segment only for non-debug-section relocations.
8354         * testsuite/Makefile.am: Add gc_tls_test.
8355         * testsuite/Makefile.in: Regenerate.
8356         * testsuite/gc_tls_test.cc: New file.
8357         * testsuite/gc_tls_test.sh: New file.
8358
8359 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8360
8361         * icf.cc: New file.
8362         * icf.h: New file.
8363         * Makefile.am (CCFILES): Add icf.cc.
8364         (HFILES): Add icf.h
8365         * Makefile.in: Regenerate.
8366         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8367         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8368         section, symbol and addend information for the relocs.
8369         * gold.cc (queue_middle_tasks): Call identical code folding.
8370         * gold.h: Add defines for multimap.
8371         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8372         to the call of finalize_local_symbols.
8373         * main.cc (main): Create object of class Icf.
8374         * object.cc (Sized_relobj::do_layout): Allow this function to be
8375         called twice during icf.
8376         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8377         to sections marked as identical by icf.
8378         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8379         when available.
8380         (Sized_relobj::do_section_entsize): New function.
8381         * object.h (Object::section_entsize): New function.
8382         (Object::do_section_entsize): New pure virtual function.
8383         (Relobj::finalize_local_symbols): Add new parameter.
8384         (Relobj::do_section_entsize): New function.
8385         * options.h (General_options::icf): New option.
8386         (General_options::icf_iterations): New option.
8387         (General_options::print_icf_sections): New option.
8388         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8389         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8390         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8391         icf.
8392         * symtab.cc (Symbol_table::is_section_folded): New function.
8393         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8394         to sections marked as identical by icf.
8395         * symtab.h (Symbol_table::set_icf): New function.
8396         (Symbol_table::icf): New function.
8397         (Symbol_table::is_section_folded): New function.
8398         (Symbol_table::icf_): New data member.
8399         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8400         * testsuite/Makefile.am: Add commands to build icf_test.
8401         * testsuite/Makefile.in: Regenerate.
8402         * testsuite/icf_test.sh: New file.
8403         * testsuite/icf_test.cc: New file.
8404
8405 2009-07-24  Chris Demetriou  <cgd@google.com>
8406
8407         * layout.cc (is_compressible_debug_section): Fix incorrect
8408         comment about compressed section names.
8409
8410 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8411
8412         PR 10419
8413         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8414
8415 2009-07-16  Ian Lance Taylor  <iant@google.com>
8416
8417         PR 10400
8418         * layout.h: #include <map>.
8419         (class Kept_section): Change from struct to class.  Add accessors
8420         and setters.  Add section size to Comdat_group mapping.  Change
8421         Comdat_group to std::map.  Add is_comdat_ field.  Add
8422         linkonce_size field in union.
8423         (class Layout): Update declaration of find_or_add_kept_section.
8424         Don't declare find_kept_object.
8425         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8426         parameter.  Add object, shndx, is_comdat, and is_group_name
8427         parameters.  Change all callers.  Adjust for new Kept_section.
8428         (Layout::find_kept_object): Remove.
8429         * object.cc (Sized_relobj::include_section_group): Update use of
8430         Kept_section.  Rename secnum to shndx.  Only record
8431         Kept_comdat_section if sections are the same size.
8432         (Sized_relobj::include_linkonce_section): Update use of
8433         Kept_section.  Only record Kept_comdat_section if sections are the
8434         same size.  Set size of linkonce section.
8435         (Sized_relobj::map_to_kept_section): Update call to
8436         get_kept_comdat_section.
8437         * object.h (class Sized_relobj): Rename fields in
8438         Kept_comdat_section to drop trailing underscores; change object
8439         field to Relobj*.  Change Kept_comdat_section_table to store
8440         struct rather than pointer.
8441         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8442         Add kept_object and kept_shndx parameters.  Change all callers.
8443         (Sized_relobj::get_kept_comdat_section): Change return type to
8444         bool.  Add kept_object and kept_shndx parameters.  Change all
8445         callers.
8446         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8447         Layout::find_or_add_kept_section.
8448
8449 2009-07-09  Ian Lance Taylor  <iant@google.com>
8450
8451         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8452         Reserve space in the hash table.
8453
8454 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8455
8456         * fileread.cc (File_read::get_mtime): New method.
8457         * fileread.h (Timespec): New structure.
8458         (File_read::get_mtime): New method.
8459         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8460         Renamed from timestamp_nsec.
8461         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8462         Elf_Xword.
8463         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8464         timestamp_nsec.
8465         (Incremental_inputs::report_archive): Save mtime; style fix.
8466         (Incremental_inputs::report_obejct): Save mtime; style fix.
8467         (Incremental_inputs::report_script): Save mtime; style fix.
8468         (Incremental_inputs::finalize_inputs): Style fix.
8469         (Incremental_inputs::finalize): Style fix.
8470         (Incremental_inputs::create_input_section_data): Store inputs
8471         mtime.
8472         * incremental.h (Incremental_inputs::report_script): Add mtime
8473         argument.
8474         (Incremental_inputs::Input_info::Input_info): Intialize only one
8475         union member.
8476         (Incremental_inputs::Input_info::archive): Move to nameless
8477         union.
8478         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8479         (Incremental_inputs::Input_info::script): Move to nameless union.
8480         (Incremental_inputs::mtime): New field.
8481         * script.cc (read_input_script): Pass file mtime to
8482         Incremental_input.
8483         * script.h (Script_info::inputs): Style fix.
8484
8485 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8486
8487         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8488         instead of 32.
8489
8490 2009-06-24  Ian Lance Taylor  <iant@google.com>
8491
8492         PR 10156
8493         * layout.cc (Layout::choose_output_section): If we find an
8494         existing section, update the flags.
8495         (Layout::create_notes): New function, broken out of
8496         Layout::finalize.
8497         (Layout::finalize): Don't create note sections.
8498         (Layout::create_note): Don't crash if linker script discards
8499         section.
8500         (Layout::create_gold_note): Likewise.
8501         (Layout::create_build_id): Likewise.  Don't set
8502         after_input_sections on the section.
8503         (Layout::create_executable_stack_info): Remove target parameter.
8504         Change caller.
8505         * layout.h (class Layout): Declare create_notes.  Update
8506         declaration of create_executable_stack_info.
8507         * gold.cc (queue_middle_tasks): Call create_notes.
8508         * output.cc (Output_section::update_flags_for_input_section): Move
8509         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8510         invalid.
8511         * output.h (Output_data::mark_address_invalid): New function.
8512         (class Output_section): Only declare, not define,
8513         update_flags_for_input_section.  Remove set_flags.
8514
8515 2009-06-24  Ian Lance Taylor  <iant@google.com>
8516
8517         * script-sections.cc (Output_section_definition::
8518         set_section_addresses): Rename shadowing local load_address to
8519         laddr.
8520
8521 2009-06-24  Ian Lance Taylor  <iant@google.com>
8522
8523         PR 10244
8524         * reloc.cc (relocate_sections): Skip empty relocation sections.
8525
8526 2009-06-23  Ian Lance Taylor  <iant@google.com>
8527
8528         PR 10156
8529         * layout.cc (Layout::create_note): Use choose_output_section
8530         rather than make_output_section.
8531
8532 2009-06-23  Ian Lance Taylor  <iant@google.com>
8533
8534         PR 10237
8535         * options.cc (General_options::parse_V): Set printed_version_.
8536         (General_options::General_options): Initialize printed_version_.
8537         * options.h (class General_options): Add printed_version_ field.
8538         * gold.cc (queue_initial_tasks): If there are no input files,
8539         don't give a fatal error if we printed the version information.
8540         (queue_middle_tasks): If using -r with a shared object, give a
8541         fatal error rather than an ordinary error.
8542
8543 2009-06-23  Ian Lance Taylor  <iant@google.com>
8544
8545         PR 10219
8546         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8547         (Layout::make_output_section): Set have_stabstr_section_ if we see
8548         a .stab*str section.
8549         (Layout::finalize): Call link_stabs_sections.
8550         (Layout::link_stabs_sections): New file.
8551         * layout.h (class Layout): Add have_stabstr_section_ field.
8552         Declare link_stabs_sections.
8553
8554 2009-06-23  Doug Kwan  <dougkwan@google.com>
8555
8556         * Makefile.am (libgold_a_LIBADD): New.
8557         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8558         * Makefile.in: Regenerate.
8559         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8560         * configure: Regenerate.
8561         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8562         * fileread.cc: Include sys/state.h
8563         * gold.h: Declare memmem and strndup if found missing.
8564         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8565
8566 2009-06-23  Ian Lance Taylor  <iant@google.com>
8567
8568         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8569         * configure: Rebuild.
8570
8571 2009-06-23  Ian Lance Taylor  <iant@google.com>
8572
8573         PR 10147
8574         * object.cc (Object::section_contents): Don't try to get a view if
8575         the section has length zero.
8576         (Object::handle_gnu_warning_section): If the section is empty, use
8577         the name of the section as the warning.
8578
8579 2009-06-23  Ian Lance Taylor  <iant@google.com>
8580
8581         PR 10133
8582         * stringpool.h (class Stringpool_template): Add optimize_ field.
8583         (Stringpool_template::set_optimize): New function.
8584         * stringpool.cc (Stringpool_template::Stringpool_template):
8585         Initialize optimize_ field.
8586         (Stringpool_template::set_string_offsets): Test local optimize
8587         fild rather than parameter.
8588         * layout.cc (Layout::Layout): Call set_optimize on the section
8589         name stringpool.
8590
8591 2009-06-22  Ian Lance Taylor  <iant@google.com>
8592
8593         PR 10030
8594         * yyscript.y: Parse TARGET.
8595         * script.cc (script_set_target): New function.
8596         * script-c.h (script_set_target): Declare.
8597         * options.cc (General_options::string_to_object_format): Rename
8598         from string_to_object_format in anonymous namespace.  Change
8599         callers.
8600         * options.h (class General_options): Declare
8601         string_to_object_format.
8602
8603 2009-06-22  Ian Lance Taylor  <iant@google.com>
8604
8605         * script-sections.cc (Script_sections::create_segments): Don't put
8606         program headers in a PT_LOAD segment if -n or -N.
8607
8608 2009-06-22  Ian Lance Taylor  <iant@google.com>
8609
8610         PR 10141
8611         * options.h (class General_options): Add -z lazy and -z now.  Sort
8612         -z options into alphabetical order.
8613         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8614
8615 2009-06-21  Ian Lance Taylor  <iant@google.com>
8616
8617         * layout.cc (Layout::make_output_section): Call
8618         Target::new_output_section.
8619         (Layout::attach_allocated_section_to_segment): Put large section
8620         sections in a separate load segment with the large segment flag
8621         set.
8622         (Layout::segment_precedes): Sort large data segments after other
8623         load segments.
8624         (align_file_offset): New static function.
8625         (Layout::set_segment_offsets): Use align_file_offset.
8626         * output.h (class Output_section): Add is_small_section_ and
8627         is_large_section_ fields.
8628         (Output_section::is_small_section): New function.
8629         (Output_section::set_is_small_section):  New function.
8630         (Output_section::is_large_section): New function.
8631         (Output_section::set_is_large_section): New function.
8632         (Output_section::is_large_data_section): New function.
8633         (class Output_segment): Add is_large_data_segment_ field.
8634         (Output_segment::is_large_data_segment): New function.
8635         (Output_segment::set_is_large_data_segment): New function.
8636         * output.cc (Output_section::Output_section): Initialize new
8637         fields.
8638         (Output_segment::Output_segment): Likewise.
8639         (Output_segment::add_output_section): Add assertion that large
8640         data sections always go in large data segments.  Force small data
8641         sections to the end of the list of data sections.  Force small BSS
8642         sections to the start of the list of BSS sections.  For large BSS
8643         sections to the end of the list of BSS sections.
8644         * symtab.h (class Symbol): Declare is_common_shndx.
8645         (Symbol::is_defined): Check Symbol::is_common_shndx.
8646         (Symbol::is_common): Likewise.
8647         (class Symbol_table): Define enum Commons_section_type.  Update
8648         declarations.  Add small_commons_ and large_commons_ fields.
8649         * symtab.cc (Symbol::is_common_shndx): New function.
8650         (Symbol_table::Symbol_table): Initialize new fields.
8651         (Symbol_table::add_from_object): Put small and large common
8652         symbols in the right list.
8653         (Symbol_table::sized_finalized_symbol): Check
8654         Symbol::is_common_shndx.
8655         (Symbol_table::sized_write_globals): Likewise.
8656         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8657         common symbol lists.  Don't call do_allocate_commons_list if the
8658         list is empty.
8659         (Symbol_table::do_allocate_commons_list): Remove is_tls
8660         parameter.  Add comons_section_type parameter.  Change all
8661         callers.  Handle small and large common symbols.
8662         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8663         Symbol::is_common_shndx.
8664         * resolve.cc (symbol_to_bits): Likewise.
8665         * target.h (Target::small_common_shndx): New function.
8666         (Target::small_common_section_flags): New function.
8667         (Target::large_common_shndx): New function.
8668         (Target::large_common_section_flags): New function.
8669         (Target::new_output_section): New function.
8670         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8671         small_common_section_flags, and large_common_section_flags
8672         fields.
8673         (Target::do_new_output_section): New virtual function.
8674         * arm.cc (Target_arm::arm_info): Initialize new fields.
8675         * i386.cc (Target_i386::i386_info): Likewise.
8676         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8677         Likewise.
8678         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8679         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8680         (Target_x86_64::do_new_output_section): New function.
8681         * configure.ac: Define conditional MCMODEL_MEDIUM.
8682         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8683         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8684         (large_LDFLAGS): Define.
8685         * testsuite/large.c: New file.
8686         * testsuite/testfile.cc (Target_test::test_target_info):
8687         Initialize new fields.
8688         * configure, testsuite/Makefile.in: Rebuild.
8689
8690 2009-06-05  Doug Kwan  <dougkwan@google.com>
8691
8692         * Makefile.am (CCFILES): Add target.cc.
8693         * Makefile.in: Regenerate.
8694         * i386.cc (class Target_i386): Define new virtual method to
8695         override do_is_local_label_name in parent.
8696         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8697         local symbols if --discard-locals or -X is given.
8698         * options.h (class General_options): Declare new options
8699         '--discard-locals' and '-X' for discarding locals.
8700         * target.h (class Target): Define new methods is_local_label_name.
8701         Declare new virtual method do_is_local_label_name.
8702         * target.cc: New file.
8703         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8704         (check_SCRIPTS): Add discard_locals_test.sh.
8705         (check_DATA): Add discard_local_tests.syms.
8706         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8707         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8708         * testsuite/Makefile.in: Regenerate.
8709         * testsuite/discard_locals_test.c: New file.
8710         * testsuite/discard_locals_test.sh: Same.
8711
8712 2009-06-05  Doug Kwan  <dougkwan@google.com>
8713
8714         * object.cc (Sized_relobj::Sized_relobj): Initialize
8715         discarded_eh_frame_shndx_ to -1U.
8716         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8717         section.
8718         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8719         a discarded .eh_frame section.
8720         (Sized_relobj::do_finalize_local_symbols): Ditto.
8721         * object.h (class Sized_relobj): Declare new member
8722         discarded_eh_frame_shndx_.
8723         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8724         (local_labels_test.o, local_labels_test): New rules.
8725         * testsuite/Makefile.in: Regenerate.
8726
8727 2009-06-04  Doug Kwan  <dougkwan@google.com>
8728
8729         * layout.cc (Layout::section_name_mapping): Add mapping for
8730         special ARM sections.
8731
8732 2009-06-03  Doug Kwan  <dougkwan@google.com>
8733
8734         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8735         (utils::has_overflow): Same.
8736
8737 2009-06-03  Ian Lance Taylor  <iant@google.com>
8738
8739         * layout.cc (Layout::section_name_mapping): New array, replacing
8740         Layout::linkonce_mapping.
8741         (Layout::section_name_mapping_count): New variable, replacing
8742         Layout::linkonce_mapping_count.
8743         (Layout::linkonce_output_name): Remove.
8744         (Layout::output_section_name): Rewrite.
8745         * layout.h (class Layout): Rename Linkonce_mapping to
8746         Section_name_mapping, linkonce_mapping to section_name_mapping,
8747         linkonce_mapping_count to section_name_mapping_count.  Don't
8748         declare linkonce_output_name.
8749
8750 2009-06-03  Doug Kwan  <dougkwan@google.com>
8751
8752         * gold/arm.cc (namespace utils): New.
8753         (Target_arm::reloc_is_non_pic): Define new method.
8754         (class Arm_relocate_functions): New.
8755         (Target_arm::Relocate::relocate): Handle relocation types used by
8756         Android.
8757
8758 2009-06-03  Ian Lance Taylor  <iant@google.com>
8759
8760         * arm.cc (Target_arm::scan::global): Use || instead of |.
8761
8762 2009-06-02  Doug Kwan  <dougkwan@google.com>
8763
8764         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8765         issued_non_pic_error_.
8766         (class Target_arm::Scan): Declare new method check_non_pic.
8767         Define new method symbol_needs_plt_entry.
8768         Declare new data member issued_non_pic_error_.
8769         (class Target_arm::Relocate): Declare new method
8770         should_apply_static_reloc.
8771         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8772         (Target_arm::Scan::check_non_pic): Define new method.
8773         (Target_arm::Scan::local): Handle a small subset of reloc types used
8774         by Android.
8775         (Target_arm::Scan::local): Same.
8776         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8777
8778 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8779
8780         * incremental.cc (Incremental_inputs::report_command_line): Filter
8781         out --incremental-* options.
8782
8783 2009-05-29  Doug Kwan  <dougkwan@google.com>
8784
8785         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8786         template class.
8787         (class Target_arm): Update comment.
8788         (Target_arm::Target_arm): Initialize new data members GOT_,
8789         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8790         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8791         and Target_arm::rel_dyn_section.
8792         Declare new_enum Target_arm::Got_type.
8793         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8794         and DYNBSS_.
8795         Update commments for member do_dynsym_value.
8796         (Target_arm::got_size, Target_arm::plt_section,
8797         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8798         new methods inside class defintion.
8799         (Target_arm::got_section): Define new method.
8800         (Target_arm::rel_dyn_section): Same.
8801         (Output_data_plt_arm): New template class.
8802         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8803         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8804         (Output_data_plt_arm::add_entry): Same.
8805         (Output_data_plt_arm::first_plt_entry): Define new
8806         static data member for PLT instruction template.
8807         (Output_data_plt_arm::plt_entry): Same.
8808         (Output_data_plt_arm::do_write): Define new method.
8809         (Target_arm::make_plt_entry): Same.
8810         (Target_arm::do_finalize_sections): Same.
8811         (Target_arm::do_dynsym_value): Same.
8812
8813 2009-05-28  Doug Kwan  <dougkwan@google.com>
8814
8815         * Makefile.am (TARGETSOURCES): Add arm.cc.
8816         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8817         * Makefile.in: Regenerate.
8818         * arm.cc: New file.
8819         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8820
8821 2009-05-26  Doug Kwan  <dougkwan@google.com>
8822
8823         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8824         (General_options::check_excluded_libs): Strip off directories in
8825         archive name before matching like GNU ld does.
8826         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8827         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8828         (exclude_libs_test_LDFLAGS): Add linker option
8829         -Wl,--exclude-libs,libexclude_libs_test_3
8830         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8831         an explicit archive without using -l.
8832         (alt/libexclude_libs_test_3.a): New make rule.
8833         * testsuite/Makefile.in: Regenerate.
8834         * testsuite/exclude_libs_test.c : Declare lib3_default().
8835         (main): Call it.
8836         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8837         * exclude_libs_test_3.c: New file.
8838
8839 2009-05-26  Nick Clifton  <nickc@redhat.com>
8840
8841         * po/id.po: New Indonesian translation.
8842         * po/gold.pot: Updated template file.
8843
8844 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8845
8846         * testsuite/Makefile.am: Add -ffunction-sections to compile
8847         gc_comdat_test files.  Add -Wl,--gc-sections to build
8848         gc_comdat_test.
8849         * testsuite/Makefile.in: Regenerate.
8850         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8851
8852 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8853
8854         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8855         kept comdat section was garbage collected.
8856         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8857         * testsuite/Makefile.in: Regenerate.
8858         * testsuite/gc_comdat_test.sh: New file.
8859         * testsuite/gc_comdat_test_1.cc: New file.
8860         * testsuite/gc_comdat_test_2.cc: New file.
8861
8862 2009-05-19  Doug Kwan  <dougkwan@google.com>
8863
8864         * archive.cc (Archive::Archive): Move constructor from archive.h
8865         to here.  Initialize no_export_.
8866         (Archive::get_elf_object_for_member): Set no_export flag of object.
8867         * archive.h (Archive::Archive): Move constructor body to
8868         archive.cc.
8869         (Archive::no_export): New method.
8870         (Archive::no_export_): New field.
8871         * object.h (Object::Object): Initialize no_export_ to false.
8872         (Object::no_export, Object::set_no_export): New methods.
8873         (Object::no_export_): New field.
8874         * options.cc (General_options::parse_exclude_libs): New method.
8875         (General_options::check_excluded_libs) Same.
8876         * options.h (exclude_libs): New option.
8877         (General_options::check_excluded_libs): New method declaration.
8878         (General_options::excluded_libs_): New field.
8879         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8880         default or protected visibility if an object has no-export flag set.
8881         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8882         (check_SCRIPTS): Add exclude_libs_test.sh.
8883         (check_DATA): Add exclude_libs_test.syms.
8884         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8885         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8886         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8887         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8888         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8889         libexclude_libs_test_2.a): New rules.
8890         * testsuite/Makefile.in: Regenerate.
8891         * testsuite/exclude_libs_test.c: New file.
8892         * testsuite/exclude_libs_test.sh: Ditto.
8893         * testsuite/exclude_libs_test_1.c: Ditto.
8894         * testsuite/exclude_libs_test_2.c: Ditto.
8895
8896 2009-05-15  Ian Lance Taylor  <iant@google.com>
8897
8898         * configure.ac: Check for declarations for cases where libiberty.h
8899         checks HAVE_DECL_xxx.
8900         * configure, config.in: Rebuild.
8901
8902 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8903
8904         * gold.h (Incremental_argument_list): Remove (invalid) forward
8905         declaration.
8906         * incremental.cc (Incremental_inputs::report_achive): New method.
8907         (Incremental_inputs::report_object): New method.
8908         (Incremental_inputs::report_script): New method.
8909         (Incremental_inputs::finalize_inputs): New method.
8910         (Incremental_inputs::finalize): Call finalize_inputs().
8911         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8912         Create inputs entries.
8913         * incremental.h (Incremental_input_type): New enum.
8914         (Incremental_inputs::Incremental_input): Initialize new fields.
8915         (Incremental_inputs::report_inputs): New method.
8916         (Incremental_inputs::report_achive): New method.
8917         (Incremental_inputs::report_object): New method.
8918         (Incremental_inputs::report_script): New method.
8919         (Incremental_inputs::finalize_inputs): New method.
8920         (Incremental_inputs::Input_info): New struct.
8921         (Incremental_inputs::Input_info_map): New typedef.
8922         (Incremental_inputs::lock_): New field.
8923         (Incremental_inputs::Inputs_): New field.
8924         (Incremental_inputs::Inputs_map): New field.
8925         * main.cc (main): Call Incremental_input::report_inputs.
8926         * options.h (Input_argument_list): Typedef moved from
8927         Input_arguments.
8928         (Input_file_group::Files): Remove, use ::Input_argument_list.
8929         (Input_file_group::Input_argument_list): Remove, use
8930         ::Input_argument_list.
8931         * plugin.cc (Plugin_manager::add_input_file): Add error in
8932         incremental build.
8933         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8934         functions.
8935         * script.cc (read_input_script): Call
8936         Incremental_input::report_script.
8937         * script.h (Script_info): New class.
8938
8939 2009-04-27  Ian Lance Taylor  <iant@google.com>
8940
8941         * x86_64.cc (do_adjust_output_section): Set entsize to
8942         plt_entry_size.
8943
8944 2009-04-23  Elliott Hughes  <enh@google.com>
8945
8946         * output.cc (Output_file::close): After short writes, continue
8947         writing from the correct offset in the buffer being written.
8948
8949 2009-04-23  Chris Demetriou  <cgd@google.com>
8950
8951         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8952         * configure: Regenerate.
8953         * config.in: Regenerate.
8954         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8955         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8956
8957 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8958
8959         * incremental.cc (Incremental_inputs_header_data): Renamed from
8960         Incremental_input_header_data.
8961         (Incremental_inputs_header_data::data_size): New field.
8962         (Incremental_inputs_header_data::put_input_file_count): Renamed
8963         from input_file_count.
8964         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8965         from command_line_offset.
8966         (Incremental_inputs_header_data::put_reserved): Renamed from
8967         put_reserved.
8968         (Incremental_inputs_entry_data): Renamed from
8969         Incremental_input_entry_data.
8970         (Incremental_inputs_entry_data::data_size): New field.
8971         (Incremental_inputs::report_command_line): New method.
8972         (Incremental_inputs::finalize): New method.
8973         (Incremental_inputs::create_incremental_inputs_data): New method.
8974         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8975         * incremental.h: New file.
8976         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8977        (Layout::finalize): Create incremental inputs section in
8978         incremental builds.
8979        (Layout::create_incremental_info_sections): New method.
8980         * layout.h (Layout::incremental_inputs): New method.
8981        (Layout::create_incremental_info_sections): New method.
8982        (Layout::incremental_inputs_): New field.
8983         * main.cc (main): Notify Incremental_input of the command line.
8984
8985 2009-04-01  Ian Lance Taylor  <iant@google.com>
8986             Mikolaj Zalewski  <mikolajz@google.com>
8987
8988         * gold.h (reserve_unordered_map): Define, three versions, one for
8989         each version of Unordered_map.
8990         * layout.cc (Layout::Layout): Remove options parameter.  Add
8991         number_of_input_files parameter.  Don't initialize options_.
8992         Initialize number_of_input_files_ and resized_signatures_.  Move
8993         sections_are_attached_.
8994         (Layout::layout_group): Reserve space for group_signatures_.
8995         (Layout::find_or_add_kept_section): Change name parameter to be a
8996         reference.  Resize signatures_ map when it gets large enough.
8997         (Layout::layout_eh_frame): Use parameters->options() instead of
8998         this->options_.
8999         (Layout::make_output_section): Likewise.
9000         (Layout::attach_allocated_section_to_segment): Likewise.
9001         (Layout::finalize, Layout::create_executable_stack): Likewise.
9002         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9003         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9004         * layout.h (class Layout): Update declarations.  Remove options_
9005         field.  Add number_of_input_files_ and resized_signatures_
9006         fields.  Move sections_are_attached_ field.
9007         * main.cc (main): Pass number of input files to Layout
9008         constructor.  Don't pass options.
9009
9010 2009-03-30  Ian Lance Taylor  <iant@google.com>
9011
9012         * ffsll.c (ffsll): Correct implementation.
9013
9014 2009-03-27  Ian Lance Taylor  <iant@google.com>
9015
9016         * ffsll.c: New file.
9017         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9018         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9019         * ftruncate.c (ftruncate): Declare before definition.
9020         * mremap.c (mremap): Likewise.
9021         * pread.c (pread): Likewise.
9022         * configure, Makefile.in, config.in: Rebuild.
9023
9024         * mremap.c: New file.
9025         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9026         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9027         (mremap): Declare if HAVE_MREMAP is not defined.
9028         * configure, Makefile.in, config.in: Rebuild.
9029
9030 2009-03-27  Cary Coutant  <ccoutant@google.com>
9031
9032         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9033         position independent.
9034         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9035         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9036
9037 2009-03-24  Cary Coutant  <ccoutant@google.com>
9038
9039         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9040         an executable.
9041         (needs_dynamic_reloc): Likewise.
9042
9043 2009-03-24  Ian Lance Taylor  <iant@google.com>
9044
9045         * yyscript.y (file_cmd): Recognize EXTERN.
9046         (extern_name_list, extern_name_list_body): New nonterminals.
9047         * script.cc (script_add_extern): Define.
9048         * script-c.h (script_add_extern): Declare.
9049
9050 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9051
9052         * object.cc (is_elf_object): Define.
9053         * object.h (is_elf_object): Declare.
9054         * archive.cc (Archive::get_elf_object_for_member): Call
9055         is_elf_object.
9056         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9057
9058 2009-03-24  Elliott Hughes  <enh@google.com>
9059
9060         * output.cc (Output_file::map_anonymous): Define.
9061         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9062         try an anonymous one.  Report the size if the mmap fails.
9063         * output.h (class Output_file): Declare map_anonymous.
9064
9065 2009-03-24  Ian Lance Taylor  <iant@google.com>
9066
9067         * target-select.cc (instantiate_target): Don't acquire the lock if
9068         the instantiated_target_ field has already been set.
9069
9070 2009-03-23  Ian Lance Taylor  <iant@google.com>
9071
9072         * gold-threads.h (class Initialize_lock): Define.
9073         * gold-threads.cc (class Initialize_lock_once): Define.
9074         (initialize_lock_control): New static variable.
9075         (initialize_lock_pointer): New static variable.
9076         (initialize_lock_once): New static function.
9077         (Initialize_lock::Initialize_lock): Define.
9078         (Initialize_lock::initialize): Define.
9079         * target-select.h: Include "gold-threads.h".
9080         (class Target_selector): Add lock_ and initialize_lock_ fields.
9081         Don't define instantiate_target, just declare it.
9082         * target-select.cc (Target_selector::Target_selector): Initialize
9083         new fields.
9084         (Target_selector::instantiate_target): Define.
9085         * descriptors.h: Include "gold-threads.h".
9086         (class Descriptors): Add initialize_lock_ field.
9087         * descriptors.cc (Descriptors::Descriptors): Initialize new
9088         field.
9089         (Descriptors::open): Use initialize_lock_ field
9090         * errors.h (class Errors): Add initialize_lock_ field.
9091         * errors.cc (Errors::Errors): Initialize new field.
9092         (Errors::initialize_lock): Use initialize_lock_ field.
9093         * powerpc.cc (class Target_selector_powerpc): Remove
9094         instantiated_target_ field.  In do_recognize call
9095         instantiate_target rather than do_instantiate_target.  In
9096         do_instantiate_target just allocate a new target.
9097         * sparc.cc (class Target_selector_sparc): Likewise.
9098
9099         * freebsd.h: New file.
9100         * i386.cc: Include "freebsd.h".
9101         (Target_i386): Derive from Target_freebsd rather than
9102         Sized_target.
9103         (Target_selector_i386): Derive from Target_selector_freebsd rather
9104         than Target_selector.
9105         * x86_64.cc: Include "freebsd.h".
9106         (Target_x86_64): Derive from Target_freebsd rather than
9107         Sized_target.
9108         (Target_selector_x86_64): Derive from Target_selector_freebsd
9109         rather than Target_selector.
9110         * target.h (class Target): Add adjust_elf_header and
9111         do_adjust_elf_header.
9112         * output.cc (Output_file_header:: do_sized_write): Call target
9113         adjust_elf_header routine.
9114         * configure.tgt: Set targ_osabi.
9115         * configure.ac: Define GOLD_DEFAULT_OSABI.
9116         * parameters.cc (Parameters::default_target): Pass
9117         GOLD_DEFAULT_OSABI to select_target.
9118         * target-select.h (class Target_selector): Make instantiate_target
9119         protected rather than private.
9120         * Makefile.am (HFILES): Add freebsd.h.
9121         * configure, Makefile.in, config.in: Rebuild.
9122
9123         * merge.cc (do_add_input_section): Correct pend value.  Change
9124         message about last entry not being null terminated from error to
9125         warning.
9126
9127 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9128
9129         * incremental.cc: New file.
9130         * Makefile.am (CCFILES): Add incremental.cc.
9131         * Makefile.in: Rebuild.
9132
9133 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9134
9135         * layout.cc (Layout::output_section_name): Preserve names
9136         of '.note.' sections.
9137
9138 2009-03-19  Ian Lance Taylor  <iant@google.com>
9139
9140         * descriptors.cc (Descriptors::open): Check that the options are
9141         valid before using them.
9142
9143 2009-03-18  Ian Lance Taylor  <iant@google.com>
9144
9145         * script-sections.h: Include <list>.
9146         (class Script_sections): Change Sections_elements from std::vector
9147         to std::list.  Typedef public Elements_iterator.  Add
9148         orphan_section_placement_, data_segment_align_start_, and
9149         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9150         field.
9151         * script-sections.cc (class Orphan_section_placement): New class.
9152         (class Sections_element): Add virtual functions is_relro and
9153         orphan_section_init.  Remove virtual function place_orphan_here.
9154         (class Output_section_definition): Add is_relro and
9155         orphan_section_init.  Remove place_orphan_here.
9156         (class Orphan_output_section): Likewise.
9157         (Script_sections::Script_sections): Update for field changes.
9158         (Script_sections::data_segment_align): Set saw_data_segment_align_
9159         and data_segment_align_start_, not data_segment_align_index.
9160         (Script_sections::data_segment_relro_end): Check
9161         saw_data_segment_align_.  Use data_segment_align_start_ rather
9162         than data_segment_align_index_.
9163         (Script_sections::place_orphan): Rewrite to use
9164         Orphan_section_placement.
9165
9166 2009-03-17  Ian Lance Taylor  <iant@google.com>
9167
9168         * archive.cc (Archive::add_symbols): Check for a version attached
9169         to the symbol name in the archive map.
9170         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9171         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9172         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9173         (ver_test_11.a): New target.
9174         * testsuite/Makefile.in: Rebuild.
9175
9176         * configure.ac: Check for chsize and posix_fallocate.  Replace
9177         ftruncate.
9178         * ftruncate.c: New file, from gnulib.
9179         * output.cc (posix_fallocate): Define dummy version if not
9180         HAVE_POSIX_FALLOCATE.
9181         (Output_file::map): Call posix_fallocate rather than lseek and
9182         write.
9183         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9184         * configure, Makefile.in, config.in: Rebuild.
9185
9186 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9187
9188         * layout.h (Layout::create_note): Add section_name parameter.
9189         * layout.cc (Layout::create_note): Likewise.
9190         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9191
9192 2009-03-17  Ian Lance Taylor  <iant@google.com>
9193
9194         * descriptors.cc: Include "options.h".
9195         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9196         (Descriptors::open): Always use O_CLOEXEC when opening a new
9197         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9198         then set FD_CLOEXEC.
9199
9200         * sparc.cc (class Target_sparc): Add has_got_section.
9201         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9202         make sure we have a GOT section.
9203
9204         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9205         (Target_sparc::Scan::local): Likewise.
9206         (Target_sparc::Scan::global): Likewise.
9207         (Target_sparc::Relocate::relocate): Likewise.
9208         (Target_sparc::Relocate::relocate_tls): Likewise.
9209
9210         * symtab.cc (Symbol_table::define_default_version): New function,
9211         broken out of add_from_object.
9212         (Symbol_table::add_from_object): Call define_default_version.
9213         (Symbol_table::define_special_symbol): Add resolve_oldsym
9214         parameter.  Change all callers.  If the version for a symbol comes
9215         from a version script, resolve it with the symbol with the same
9216         name with no version.  Also add the symbol without a version if
9217         appropriate.
9218         (do_define_in_output_data): If resolving with oldsym, don't delete
9219         sym.
9220         (do_define_in_output_segment): Likewise.
9221         (do_define_as_constant): Likewise.
9222         * symtab.h (class Symbol_table): Update declarations.
9223
9224 2009-03-13  Ian Lance Taylor  <iant@google.com>
9225
9226         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9227         (Read_symbols::requeue): New function.
9228         (Read_symbols::do_read_symbols): If make_elf_object fails because
9229         the target type is not configured, and the file was searched for,
9230         issue a warning and retry with the next directory.
9231         (Add_symbols::run): If the file has an incompatible format, and
9232         it was searched for, requeue the Read_symbols task.  On error,
9233         release the object.
9234         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9235         dirindex parameter to constructor.  Change all callers.  Declare
9236         incompatible_warning and requeue.
9237         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9238         input_argument_ and input_group_ fields.  Add them to
9239         constructor.  Change all callers.
9240         (class Read_script): Add dirindex_ field.  Add it to constructor.
9241         Change all callers.
9242         * archive.cc (Archive::setup): Remove input_objects parameter.
9243         Change all callers.
9244         (Archive::get_file_and_offset): Likewise.
9245         (Archive::read_all_symbols): Likewise.
9246         (Archive::read_symbols): Likewise.
9247         (Archive::get_elf_object_for_member): Remove input_objects
9248         parameter.  Add punconfigured parameter.  Change all callers.
9249         (Archive::add_symbols): Change return type to bool.  Check return
9250         value of include_member.
9251         (Archive::include_all_members): Likewise.
9252         (Archive::include_member): Change return type to bool.  Return
9253         false if first included object has incompatible target.  Set
9254         included_member_ field.
9255         (Add_archive_symbols::run): If add_symbols returns false, requeue
9256         Read_symbols task.
9257         * archive.h (class Archive): Add included_member_ field.
9258         Initialize it in constructor.  Add input_file and searched_for
9259         methods.  Update declarations.
9260         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9261         input_argument_ fields.  Add them to constructor.  Change all
9262         callers.
9263         * script.cc: Include "target-select.h".
9264         (class Parser_closure): Add skip_on_incompatible_target_ and
9265         found_incompatible_target_ fields.  Add
9266         skip_on_incompatible_target parameter to constructor.  Change all
9267         callers.  Add methods skip_on_incompatible_target,
9268         clear_skip_on_incompatible_target, found_incompatible_target, and
9269         set_found_incompatible_target.
9270         (read_input_script): Add dirindex parameter.  Change all callers.
9271         If parser finds an incompatible target, requeue Read_symbols
9272         task.
9273         (script_set_symbol): Clear skip_on_incompatible_target in
9274         closure.
9275         (script_add_assertion, script_parse_option): Likewise.
9276         (script_start_sections, script_add_phdr): Likewise.
9277         (script_check_output_format): New function.
9278         * script.h (read_input_script): Update declaration.
9279         * script-c.h (script_check_output_format): Declare.
9280         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9281         (ignore_cmd): Remove OUTPUT_FORMAT.
9282         * fileread.cc (Input_file::Input_file): Add explicit this.
9283         (Input_file::will_search_for): New function.
9284         (Input_file::open): Add pindex parameter.  Change all callers.
9285         * fileread.h (class Input_file): Add input_file_argument method.
9286         Declare will_search_for.  Update declarations.
9287         * object.cc (make_elf_object): Add punconfigured parameter.
9288         Change all callers.
9289         * object.h (class Object): Make input_file public.  Add
9290         searched_for method.
9291         (make_elf_object): Update declaration.
9292         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9293         restart search.
9294         * dirsearch.h (class Dirsearch): Update declaration.
9295         * options.h (class General_options): Add --warn-search-mismatch.
9296         * parameters.cc (Parameters::is_compatible_target): New function.
9297         * parameters.h (class Parameters): Declare is_compatible_target.
9298         * workqueue.cc (Workqueue::add_blocker): New function.
9299         * workqueue.h (class Workqueue): Declare add_blocker.
9300
9301         * fileread.cc (Input_file::open): Remove options parameter.
9302         Change all callers.
9303         (Input_file::open_binary): Likewise.
9304         * script.cc (read_input_script): Likewise.
9305         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9306         options parameter from constructor.  Change all callers.
9307         (class Read_script): Likewise.
9308         * fileread.h (class Input_file): Update declarations.
9309         * script.h (read_input_script): Update declaration.
9310
9311 2009-03-10  Nick Clifton  <nickc@redhat.com>
9312
9313         * po/es.po: New Spanish translation.
9314
9315 2009-03-06  Cary Coutant  <ccoutant@google.com>
9316
9317         * options.cc (parse_short_option): Keep dash_z from registering itself.
9318
9319 2009-03-03  Ian Lance Taylor  <iant@google.com>
9320
9321         PR 9918
9322         * target-reloc.h (relocate_section): Pass output_section to
9323         relocate.
9324         * i386.cc (Target_i386::should_apply_static_reloc): Add
9325         output_section parameter.  Change all callers.
9326         (Target_i386::Relocate::relocate): Add output_section parameter.
9327         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9328         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9329         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9330         * testsuite/two_file_shared.sh: New script.
9331         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9332         (check_DATA): Add two_file_shared.dbg.
9333         (two_file_shared.dbg): New target.
9334         * testsuite/Makefile.in: Rebuild.
9335
9336 2009-03-01  Ian Lance Taylor  <iant@google.com>
9337
9338         * configure.ac: Check for byteswap.h.
9339         * configure: Rebuild.
9340         * config.in: Rebuild.
9341
9342 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9343
9344         * layout.cc (Layout::find_or_add_kept_section): New function.
9345         (Layout::add_comdat): Removed.
9346         * layout.h (struct Kept_section): Move out of class Layout.
9347         Remove trailing underscores from field names.  Add group_sections
9348         field.  Rename group_ field to is_group.  Change all uses.
9349         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9350         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9351         comdat_groups_ field.
9352         (Sized_relobj::include_section_group): Use
9353         find_or_add_kept_section and Kept_section::group_sections.
9354         (Sized_relobj::include_linkonce_section): Likewise.
9355         * object.cc (class Sized_relobj): Don't define Comdat_group or
9356         Comdat_group_table.  Remove find_comdat_group and
9357         add_comdat_group.  Remove comdat_groups_ field.
9358         * plugin.cc (include_comdat_group): Use
9359         Layout::find_or_add_kept_section.
9360
9361 2009-02-28  Ian Lance Taylor  <iant@google.com>
9362
9363         * README: --gc-sections and map files are now supported.  Document
9364         some build requirements.
9365
9366         PR 6992
9367         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9368         relocatable link set the value of the section symbol to zero.
9369         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9370         relocatable link don't include the section address in the local
9371         symbol value.
9372
9373 2009-02-27  Ian Lance Taylor  <iant@google.com>
9374
9375         PR 6811
9376         * options.h (class Search_directory): Add is_system_directory.
9377         (class General_options): Declare is_in_system_directory.
9378         * options.cc (get_relative_sysroot): Make static.
9379         (get_default_sysroot): Make static.
9380         (General_optoins::is_in_system_directory): New function.
9381         * fileread.cc (Input_file::is_in_system_directory): New function.
9382         * fileread.h (class Input_file): Declare is_in_system_directory.
9383         * object.h (class Object): Add is_in_system_directory.
9384         (class Input_objects): Remove system_library_directory_ field.
9385         * object.cc (Input_objects::add_object): Don't set
9386         system_library_directory_.
9387         (input_objects::found_in_system_library_directory): Remove.
9388         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9389         parameter.  Change all callers.
9390         (Symbol_table::sized_write_globals): Likewise.
9391         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9392         Call Object::is_in_system_directory.
9393         * symtab.h (class Symbol_table): Update declarations.
9394
9395         PR 5990
9396         * descriptors.h (Open_descriptor): Add is_on_stack field.
9397         * descriptors.cc (Descriptors::open): If the descriptor is on the
9398         top of the stack, remove it.  Initialize is_on_stack field.
9399         (Descriptors::release): Only add pod to stack if it is not on the
9400         stack already.
9401         (Descriptors::close_some_descriptor): Clear stack_next and
9402         is_on_stack fields.
9403
9404         PR 7091
9405         * output.cc (Output_section::find_starting_output_address): Rename
9406         from starting_output_address; add PADDR parameter; change return
9407         type.
9408         * output.h (class Output_section): Declare
9409         find_starting_output_address instead of starting_output_address.
9410         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9411         section symbol for which we can't find a merge section.
9412
9413         PR 9836
9414         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9415         hidden or internal, force the symbol to be local.
9416         * resolve.cc (Symbol::override_visibility): Define.
9417         (Symbol::override_base): Use override_visibility.
9418         (Symbol_table::resolve): Likewise.
9419         (Symbol::override_base_with_special): Likewise.
9420         (Symbol_table::override_with_special): If the visibility is hidden
9421         or internal, force the symbol to be local.
9422         * symtab.h (class Symbol): Add set_visibility and
9423         override_visibility.
9424         * testsuite/ver_test_1.sh: New file.
9425         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9426         (check_DATA): Add ver_test_1.syms.
9427         (ver_test_1.syms): New target.
9428         * testsuite/Makefile.in: Rebuild.
9429
9430 2009-02-25  Cary Coutant  <ccoutant@google.com>
9431
9432         * layout.cc (Layout::choose_output_section): Don't rename sections
9433         when using a linker script that has a SECTIONS clause.
9434         * Makefile.in: Regenerate.
9435
9436         * testsuite/Makefile.am (script_test_5.sh): New test case.
9437         * testsuite/Makefile.in: Regenerate.
9438         * testsuite/script_test_5.cc: New file.
9439         * testsuite/script_test_5.sh: New file.
9440         * testsuite/script_test_5.t: New file.
9441
9442 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9443
9444         * archive.cc (Archive::include_member): Update calls to add_symbols.
9445         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9446         the Layout argument.
9447         * dynobj.h (do_add_symbols): Add the Layout argument.
9448         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9449         Layout argument.
9450         * object.h (Object::add_symbols): Add the Layout argument.
9451         (Object::do_add_symbols): Add the Layout argument.
9452         (Sized_relobj::do_add_symbols): Add the Layout argument.
9453         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9454         Unify the two versions.
9455         (Add_plugin_symbols): Remove.
9456         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9457         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9458         (Add_plugin_symbols): Remove.
9459         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9460         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9461         (Add_symbols::run): Make it work with Pulginobj.
9462
9463 2009-02-06  Ian Lance Taylor  <iant@google.com>
9464
9465         * object.cc (Sized_relobj::do_layout): Make info message start
9466         with lower case letter.
9467
9468 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9469
9470         * binary.cc: Fix file comment.
9471
9472         * options.h (enum Incremental_disposition): Define.
9473         (class General_options): Add new options: --incremental,
9474         --incremental_changed, --incremental_unchanged,
9475         --incremental_unknown.  Add incremental_disposition_ and
9476         implicit_incremental_ fields.
9477         (General_options::incremental_disposition): New function.
9478         (class Position_dependent_options): Add incremental_disposition
9479         option.
9480         (Position_dependent_options::copy_from_options): Set incremental
9481         dispositions.
9482         * options.cc (General_options::parse_incremental_changed): New
9483         function.
9484         (General_options::parse_incremental_unchanged): New function.
9485         (General_options::parse_incremental_unknown): New function.
9486         (General_options::General_options): Initialize new fields
9487         incremental_disposition_ and implicit_incremental_.
9488         (General_options::finalize): Check for uasge of --incremental-*
9489         without --incremental.
9490
9491 2009-02-06  Chris Demetriou  <cgd@google.com>
9492
9493         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9494         pointer and to report location as the file name associated with
9495         the symbol.
9496         (gold_undefined_symbol_at_location): New function to replace the
9497         old gold_undefined_symbol functionality.
9498         * target-reloc.h (relocate_section): Update to use
9499         gold_undefined_symbol_at_location.
9500         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9501         Call gold_undefined_symbol function rather than gold_error.
9502         * errors.h (Errors::undefined_symbol): Take location as a
9503         string, rather than calculating it from a relocation.
9504         * errors.cc (Errors::fatal): Print "fatal error:" before the
9505         formatted message.
9506         (Errors::error, Errors::error_at_location): Print "error: "
9507         before the formatted message.
9508         (Errors::undefined_symbol): Take location as a string, rather
9509         than calculating it from a relocation.
9510         (gold_undefined_symbol_at_location): New function akin to
9511         old gold_undefined_symbol, calculates location from relocation.
9512         (gold_undefined_symbol): Change to take only a Symbol pointer
9513         and to report location as the file name associated with the symbol.
9514         * testsuite/debug_msg.sh: Update for changed error messages.
9515         * testsuite/undef_symbol.sh: Likewise.
9516
9517 2009-02-04  Duncan Sands  <baldrick@free.fr>
9518
9519         PR 9812
9520         * reduced_debug_output.h
9521         (Output_reduced_debug_abbrev_section::failed): Use format for
9522         gold_warning.
9523         (Output_reduced_debug_info_section::faild): Likewise.
9524
9525 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9526
9527         * script.cc (Lazy_demangler): New class.
9528         (Version_script_info::get_symbol_version_helper): Demangle a
9529         symbol only once.
9530
9531 2009-01-29  Cary Coutant  <ccoutant@google.com>
9532
9533         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9534         to __tls_get_addr.
9535         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9536
9537 2009-01-28  Ian Lance Taylor  <iant@google.com>
9538
9539         * version.cc (version_string): Bump to 1.9.
9540
9541         * gold.h: Include <cstring> and <stdint.h>.
9542         * version.cc: Include <cstdio>.
9543         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9544         warning.
9545         * reduced_debug_output.cc (insert_into_vector): Rename from
9546         Insert_into_vector; change all callers.  Use Swap_unaligned to
9547         avoid aliasing issue; remove union since it is unnecessary.
9548
9549 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9550
9551         * Makefile.am (CCFILES): Add gc.cc.
9552         (HFILES): Add gc.h.
9553         * Makefile.in: Regenerate.
9554         * gold.cc (Gc_runner): New class.
9555         (queue_initial_tasks): Call garbage collection related tasks
9556         when corresponding options are invoked.
9557         (queue_middle_gc_tasks): New function.
9558         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9559         processed early before laying out sections during garbage collection.
9560         * gold.h (queue_middle_gc_tasks): New function.
9561         (is_prefix_of): Move from "layout.cc".
9562         * i386.cc (Target_i386::gc_process_relocs): New function.
9563         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9564         * main.cc (main): Create object of class "Garbage_collection".
9565         * object.cc (Relobj::copy_symbols_data): New function.
9566         (Relobj::is_section_name_included): New function.
9567         (Sized_relobj::do_layout): Allow this function to be called twice
9568         during garbage collection and defer layout of section during the
9569         first call.
9570         * object.h (Relobj::get_symbols_data): New function.
9571         (Relobj::is_section_name_included): New function.
9572         (Relobj::copy_symbols_data): New function.
9573         (Relobj::set_symbols_data): New function.
9574         (Relobj::get_relocs_data): New function.
9575         (Relobj::set_relocs_data): New function.
9576         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9577         (Relobj::gc_process_relocs): New function.
9578         (Relobj::do_gc_process_relocs): New pure virtual function.
9579         (Relobj::sd_): New data member.
9580         (Sized_relobj::is_output_section_offset_invalid): New function.
9581         (Sized_relobj::do_gc_process_relocs): New function.
9582         * options.h (General_options::gc_sections): Modify to not be a no-op.
9583         (General_options::print_gc_sections): New option.
9584         * plugin.cc (Plugin_finish::run): Remove function call to
9585         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9586         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9587         * reloc.cc (Read_relocs::run): Add task to process relocs and
9588         determine unreferenced sections when doing garbage collection.
9589         (Gc_process_relocs): New class.
9590         (Sized_relobj::do_gc_process_relocs): New function.
9591         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9592         sections that are garbage collected.
9593         * reloc.h (Gc_process_relocs): New class.
9594         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9595         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9596         symbols whose corresponding sections are garbage collected.
9597         (Symbol_table::Symbol_table): Add new parameter for the garbage
9598         collection object.
9599         (Symbol_table::gc_mark_undef_symbols): New function.
9600         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9601         (Symbol_table::gc_mark_dyn_syms): New function.
9602         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9603         as garbage.
9604         (Symbol_table::add_from_object): Likewise.
9605         (Symbol_table::add_from_relobj): When building shared objects, do not
9606         treat externally visible symbols as garbage.
9607         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9608         table information for static and relocatable links.
9609         * symtab.h (Symbol_table::set_gc): New function.
9610         (Symbol_table::gc): New function.
9611         (Symbol_table::gc_mark_undef_symbols): New function.
9612         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9613         (Symbol_table::gc_mark_dyn_syms): New function.
9614         (Symbol_table::gc_): New data member.
9615         * target.h (Sized_target::gc_process_relocs): New pure virtual
9616         function.
9617         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9618         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9619
9620 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9621
9622         * options.h (General_options::gc_sections): Define as a no-op for now.
9623         (General_options::no_keep_memory): Ditto.
9624         (General_options::Bshareable): Define.
9625         * options.cc (General_options::finalize): Honor -Bshareable.
9626
9627 2009-01-20  Andreas Schwab  <schwab@suse.de>
9628
9629         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9630         read the value in the contents, since we don't use it.  Use the
9631         template endianness when writing.
9632         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9633
9634 2009-01-19  Andreas Schwab  <schwab@suse.de>
9635
9636         * configure.tgt (powerpc64-*): Fix targ_obj.
9637
9638 2009-01-15  Ian Lance Taylor  <iant@google.com>
9639
9640         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9641         local symbols when stripping all symbols.
9642
9643 2009-01-14  Cary Coutant  <ccoutant@google.com>
9644
9645         * output.cc (Output_reloc): Add explicit instantiations.
9646
9647 2009-01-14  Cary Coutant  <ccoutant@google.com>
9648
9649         * archive.cc (Archive::get_elf_object_for_member): Remove call
9650         to File_read::claim_for_plugin.
9651         * descriptors.cc (Descriptors::open): Remove reference to
9652         is_claimed.
9653         (Descriptors::claim_for_plugin): Remove.
9654         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9655         (Descriptors::is_claimed): Remove.
9656         (claim_descriptor_for_plugin): Remove.
9657         * fileread.cc (File_read::claim_for_plugin): Remove.
9658         * fileread.h (File_read::claim_for_plugin): Remove.
9659         (File_read::descriptor): Reopen descriptor if necessary.
9660         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9661         (Plugin_manager::all_symbols_read): Add task parameter. Change
9662         all callers.
9663         (Plugin_manager::get_input_file): New function.
9664         (Plugin_manager::release_input_file): New function.
9665         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9666         corresponding data member.
9667         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9668         and pass to base constructor. Change all callers.
9669         (get_input_file, release_input_file): New functions.
9670         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9671         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9672         (Plugin_manager::all_symbols_read): Add task parameter.
9673         (Plugin_manager::get_input_file): New function.
9674         (Plugin_manager::release_input_file): New function.
9675         (Plugin_manager::task_): New data member.
9676         (Pluginobj::Pluginobj): Add filesize parameter.
9677         (Pluginobj::filename): New function.
9678         (Pluginobj::descriptor): New function.
9679         (Pluginobj::filesize): New function.
9680         (Pluginobj::filesize_): New data member.
9681         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9682         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9683         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9684
9685         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9686         with archive libraries.
9687         * testsuite/Makefile.in: Regenerate.
9688         * testsuite/plugin_test.c (struct sym_info): New type.
9689         (get_input_file, release_input_file): New static variables.
9690         (onload): Capture new transfer vector entries.
9691         (claim_file_hook): Stop reading at end of file according to filesize.
9692         Factor out parsing of readelf output into separate function.
9693         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9694         APIs and get the source file name from the symbol table.  Convert
9695         source file name to corresponding object file name.  Print info
9696         message when adding new input files.
9697         (parse_readelf_line): New function.
9698         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9699         * testsuite/plugin_test_2.sh: Likewise.
9700         * testsuite/plugin_test_3.sh: Likewise.
9701         * testsuite/plugin_test_4.sh: New test case.
9702
9703 2009-01-07  Ian Lance Taylor  <iant@google.com>
9704
9705         * version.cc (version_string): Bump to 1.8.
9706
9707 2008-12-23  Cary Coutant  <ccoutant@google.com>
9708
9709         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9710         * plugin.cc (Plugin_manager::finish): Rename as
9711         layout_deferred_objects.  Move cleanup to separate function.
9712         (Plugin_manager::cleanup): New function.
9713         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9714         separately.
9715         * plugin.h (Plugin_manager::finish): Rename as
9716         layout_deferred_objects.
9717         (Plugin_manager::cleanup): New function.
9718         (Plugin_manager::cleanup_done): New field.
9719
9720 2008-12-23  Cary Coutant  <ccoutant@google.com>
9721
9722         * plugin.cc (is_visible_from_outside): New function.
9723         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9724         so we don't return "IR only" status for exported symbols or -r links.
9725
9726         * testsuite/Makefile.am (plugin_test_3): New test case.
9727         * testsuite/Makefile.in: Regenerate.
9728         * testsuite/plugin_test_3.sh: New file.
9729
9730 2008-12-22  Cary Coutant  <ccoutant@google.com>
9731
9732         * object.cc (Sized_relobj::layout_section): New function.
9733         (Sized_relobj::do_layout): Defer layout of input sections until after
9734         plugin has provided replacement files.
9735         (Sized_relobj::do_layout_deferred_sections): New function.
9736         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9737         (Relobj::layout_deferred_sections): New function.
9738         (Relobj::do_layout_deferred_sections): New function.
9739         (Sized_relobj::do_layout_deferred_sections): New function.
9740         (Sized_relobj::layout_section): New function.
9741         (Sized_relobj::Deferred_layout): New structure.
9742         (Sized_relobj::deferred_layout_): New field.
9743         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9744         Change all callers.  Layout deferred sections.
9745         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9746         references.
9747         (Plugin_hook::run): Move code from do_plugin_hook inline.
9748         (Plugin_hook::do_plugin_hook): Remove.
9749         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9750         (Plugin_manager::finish): Renamed, was cleanup.
9751         (Plugin_manager::should_defer_layout): New function.
9752         (Plugin_manager::add_deferred_layout_object): New function.
9753         (Plugin_manager::Deferred_layout_list): New type.
9754         (Plugin_manager::deferred_layout_objects_): New field.
9755         (Plugin_hook::do_plugin_hook): Remove.
9756
9757 2008-12-17  Ian Lance Taylor  <iant@google.com>
9758
9759         * options.h (class General_options): Add --no case for
9760         --export-dynamic.
9761
9762 2008-12-16  Cary Coutant  <ccoutant@google.com>
9763
9764         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9765         vector.
9766         (Plugin_manager::claim_file): Create plugin object even if
9767         plugin did not call the add_symbols callback.
9768         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9769         asking for more symbols than were added.
9770         * testsuite/Makefile.am (plugin_test_1): Add test case with
9771         no global symbols.
9772         (empty.syms): New target.
9773         * testsuite/Makefile.in: Regenerate.
9774         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9775         message. Don't call add_symbols if no globals.
9776         (all_symbols_read_hook): Don't provide replacement for empty
9777         claimed file.
9778
9779 2008-12-12  Ian Lance Taylor  <iant@google.com>
9780
9781         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9782         r_type == 0 for a local symbol with r_sym == 0.
9783         (scan_relocatable_relocs): Pass r_sym to
9784         local_non_section_strategy.
9785         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9786         r_sym parameter.
9787
9788         * configure.ac: Update test for TLS descriptors: they are
9789         supported as of glibc 2.9.
9790         * configure: Rebuild.
9791
9792 2008-12-11  Ian Lance Taylor  <iant@google.com>
9793
9794         PR 7091
9795         * target-reloc.h (Default_scan_relocatable_relocs): For each
9796         function, map r_type == 0 to RELOC_DISCARD.
9797
9798 2008-12-10  Cary Coutant  <ccoutant@google.com>
9799
9800         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9801         object to override a kept COMDAT group from a plugin object.
9802
9803 2008-12-09  Ian Lance Taylor  <iant@google.com>
9804
9805         PR 7088
9806         * yyscript.y (file_cmd): Handle INPUT.
9807
9808         * testsuite/initpri1.c: Change all declarations to be full
9809         prototypes by adding void, to avoid compiler warnings.
9810
9811 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9812
9813         * options.cc (General_options::parse_plugin_opt): New.
9814         (General_options::add_plugin): The argument now is just the filename.
9815         (General_options::add_plugin_option): New.
9816         * options.h (plugin_opt): New.
9817         (add_plugin): Change argument name.
9818         (add_plugin_option): New.
9819         * plugin.cc (Plugin::load): Don't parse the plugin option.
9820         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9821         (Plugin::add_option): New.
9822         (Plugin::args_): Change type.
9823         (Plugin::filename_): New.
9824         (Plugin_manager::add_plugin_option): New.
9825         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9826         * testsuite/Makefile.in: Regenerate.
9827
9828 2008-12-05  Cary Coutant  <ccoutant@google.com>
9829
9830         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9831         Handle --strip-lto-sections option.
9832         * options.h (strip_lto_sections): New option.
9833
9834 2008-12-01  Cary Coutant  <ccoutant@google.com>
9835
9836         * plugin.cc (ld_plugin_message): Change format parameter to const.
9837         Fix mismatch between new[] and delete.
9838
9839 2008-11-14  Cary Coutant  <ccoutant@google.com>
9840
9841         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9842         instead of -1U.
9843
9844 2008-11-05  Craig Silverstein  <csilvers@google.com>
9845
9846         * options.cc (General_options::parse_dynamic_list): New function.
9847         * options.h (General_options): New flags dynamic_list,
9848         dynamic_list_data, dynamic_list_cpp_new, and
9849         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9850         (General_options::in_dynamic_list): New function.
9851         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9852         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9853         (Lex::can_continue_name): Likewise.
9854         (yylex): Likewise.
9855         (read_script_file): New parameter script_options.
9856         (read_dynamic_list): New function.
9857         (Script_options::define_dynamic_list): New function.
9858         (dynamic_list_keyword_parsecodes): New variable.
9859         (dynamic_list_keywords): New variable.
9860         * script.h (Script_options::define_dynamic_list): New function
9861         prototype.
9862         (read_dynamic_list): New function prototype.
9863         * symtab.cc (strprefix): New macro.
9864         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9865         dynamic_list_data, dynamic_list_cpp_new, and
9866         dynamic_list_cpp_typeinfo.
9867         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9868         (dynamic_list_expr): New rule.
9869         (dynamic_list_nodes): Likewise.
9870         (dynamic_list_node): Likewise.
9871         * testsuite/Makefile.am (dynamic_list): New test.
9872         * testsuite/Makefile.in: Regenerated.
9873         * testsuite/dynamic_list.t: New file.
9874         * testsuite/dynamic_list.sh: New file.
9875
9876 2008-11-05  Craig Silverstein  <csilvers@google.com>
9877
9878         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9879         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9880         (t11_last): Likewise.
9881         * testsuite/ver_test_6.c (main): Likewise.
9882
9883 2008-10-07  Cary Coutant  <ccoutant@google.com>
9884
9885         * options.c (General_options::finalize): Add check for -static and
9886         -shared.
9887         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9888         is not empty.
9889
9890 2008-10-02  Cary Coutant  <ccoutant@google.com>
9891
9892         * plugin.cc (make_sized_plugin_object): Fix conditional
9893         compilation to work when not all targets are enabled.
9894
9895 2008-09-29  Cary Coutant  <ccoutant@google.com>
9896
9897         * archive.cc (Archive::get_file_and_offset): Use filename instead
9898         of name to get library path.
9899         (Archive::include_member): Unlock external member of a thin archive.
9900
9901         * testsuite/Makefile.am (TEST_AR): New variable.
9902         (thin_archive_test_1): New test.
9903         (thin_archive_test_2): New test.
9904         * testsuite/Makefile.in: Regenerate.
9905         * testsuite/thin_archive_main.cc: New file.
9906         * testsuite/thin_archive_test_1.cc: New file.
9907         * testsuite/thin_archive_test_2.cc: New file.
9908         * testsuite/thin_archive_test_3.cc: New file.
9909         * testsuite/thin_archive_test_4.cc: New file.
9910
9911 2008-09-29  Cary Coutant  <ccoutant@google.com>
9912
9913         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9914         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9915         instead of -1U.
9916         (Sized_relobj::do_finalize_local_symbols): Likewise.
9917         (Sized_relobj::map_to_kept_section): Likewise.
9918         * object.h (Sized_relobj::invalid_address): New constant.
9919         (Sized_relobj::do_output_section_offset): Check for invalid_address
9920         and return -1ULL.
9921         * output.cc (Output_reloc::local_section_offset): Use constant
9922         invalid_address instead of -1U.
9923         (Output_reloc::get_address): Likewise.
9924         (Output_section::output_address): Change -1U to -1ULL.
9925         * output.h (Output_reloc::invalid_address): New constant.
9926         * reloc.cc (Sized_relobj::write_sections): Use constant
9927         invalid_address instead of -1U.
9928         (Sized_relobj::relocate_sections): Likewise.
9929         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9930         values for merge sections.
9931         * target-reloc.h (relocate_for_relocatable): Use constant
9932         invalid_address instead of -1U.
9933
9934 2008-09-19  Cary Coutant  <ccoutant@google.com>
9935
9936         Add plugin functionality for link-time optimization (LTO).
9937         * configure.ac (plugins): Add --enable-plugins option.
9938         * configure: Regenerate.
9939         * config.in: Regenerate.
9940         * Makefile.am (LIBDL): New variable.
9941         (CCFILES): Add plugin.cc.
9942         (HFILES): Add plugin.h.
9943         (ldadd_var): Add LIBDL.
9944         * Makefile.in: Regenerate.
9945
9946         * archive.cc: Include "plugin.h".
9947         (Archive::setup): Don't preread archive symbols when using a plugin.
9948         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9949         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9950         files.
9951         (Archive::include_member): Add symbols from plugin objects.
9952         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9953         * descriptors.cc (Descriptors::open): Check for file descriptors
9954         abandoned by plugins.
9955         (Descriptors::claim_for_plugin): New function.
9956         * descriptors.h (Descriptors::claim_for_plugin): New function.
9957         (Open_descriptor::is_claimed): New field.
9958         (claim_descriptor_for_plugin): New function.
9959         * fileread.cc (File_read::claim_for_plugin): New function.
9960         * fileread.h (File_read::claim_for_plugin): New function.
9961         (File_read::descriptor): New function.
9962         * gold.cc: Include "plugin.h".
9963         (queue_initial_tasks): Add task to call plugin hooks for generating
9964         new object files.
9965         * main.cc: Include "plugin.h".
9966         (main): Load plugin libraries.
9967         * object.h (Pluginobj): Declare.
9968         (Object::pluginobj): New function.
9969         (Object::do_pluginobj): New function.
9970         (Object::set_target): New function.
9971         * options.cc: Include "plugin.h".
9972         (General_options::parse_plugin): New function.
9973         (General_options::General_options): Initialize plugins_ field.
9974         (General_options::add_plugin): New function.
9975         * options.h (Plugin_manager): Declare.
9976         (General_options): Add --plugin option.
9977         (General_options::has_plugins): New function.
9978         (General_options::plugins): New function.
9979         (General_options::add_plugin): New function.
9980         (General_options::plugins_): New field.
9981         * plugin.cc: New file.
9982         * plugin.h: New file.
9983         * readsyms.cc: Include "plugin.h".
9984         (Read_symbols::do_read_symbols): Check for archive before checking
9985         for ELF file.  Call plugin hooks to claim files.
9986         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9987         from a real object file; force override when processing replacement
9988         files.
9989         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9990         (Symbol::init_base_object): Likewise.
9991         (Symbol::init_base_output_data): Likewise.
9992         (Symbol::init_base_output_segment): Likewise.
9993         (Symbol::init_base_constant): Likewise.
9994         (Symbol::init_base_undefined): Likewise.
9995         (Symbol::output_section): Assert that object is not a plugin.
9996         (Symbol_table::add_from_pluginobj): New function.
9997         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9998         undefined.
9999         (Symbol_table::sized_write_globals): Likewise.
10000         (Symbol_table::add_from_pluginobj): Instantiate template.
10001         * symtab.h (Sized_pluginobj): Declare.
10002         (Symbol::in_real_elf): New function.
10003         (Symbol::set_in_real_elf): New function.
10004         (Symbol::in_real_elf_): New field.
10005         (Symbol_table::add_from_pluginobj): New function.
10006
10007         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10008         (LIBDL): New variable.
10009         (LDADD): Add LIBDL.
10010         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10011         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10012         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10013         (MOSTLYCLEANFILES): Likewise.
10014         * testsuite/Makefile.in: Regenerate.
10015         * testsuite/plugin_test.c: New file.
10016         * testsuite/plugin_test_1.sh: New file.
10017         * testsuite/plugin_test_2.sh: New file.
10018
10019 2008-09-16  Ian Lance Taylor  <iant@google.com>
10020
10021         * target-reloc.h (relocate_section): Check whether a symbol is
10022         defined by the ABI before reporting an undefined symbol error.
10023         * target.h (Target::is_defined_by_abi): Make parameter const.
10024         (Target::do_is_defined_by_abi): Likewise.
10025         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10026         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10027         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10028         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10029         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10030         * testsuite/Makefile.in: Rebuild.
10031
10032         * fileread.cc (make_view): Add casts to avoid warning.
10033
10034 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10035
10036         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10037         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10038
10039 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10040
10041         * options.h (General_options::output_is_executable): New.
10042         (General_options::output_is_pie): New.
10043         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10044         for shared libraries.
10045         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10046
10047 2008-09-11  Chris Demetriou  <cgd@google.com>
10048
10049         * options.h (origin): New -z option.
10050         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10051         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10052         in DT_FLAGS_1.
10053
10054 2008-09-05  Cary Coutant  <ccoutant@google.com>
10055
10056         * fileread.cc (File_read::make_view): Add check for attempt to map
10057         beyond end of file.
10058
10059 2008-09-05  Cary Coutant  <ccoutant@google.com>
10060
10061         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10062         explicit instantiations.
10063
10064 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10065
10066         PR gold/6858
10067         * options.cc (General_options::finalize): Allow undefined symbols
10068         in shlibs if linking -shared.
10069
10070         PR gold/6859
10071         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10072         symbols as not needing a dynsym entry.
10073
10074 2008-08-20  Craig Silverstein  <csilvers@google.com>
10075
10076         * fileread.cc (File_read::open): Do not lock the file unless it
10077         was successfully opened.
10078
10079 2008-08-14  Cary Coutant  <ccoutant@google.com>
10080
10081         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10082         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10083         * testsuite/tls_test.cc (struct int128): 128-bit struct
10084         for testing TLS relocs with non-zero addend.
10085         (v12): New TLS variable.
10086         (t12): New test.
10087         (t_last): Add check for v12.
10088         * testsuite/tls_test.h (t12): New function.
10089         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10090
10091 2008-08-13  Ian Lance Taylor  <iant@google.com>
10092
10093         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10094         set tls_segment_ or relro_segment_.
10095         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10096         when appropriate.
10097         * output.h (Output_section::clear_is_relro): New function.
10098         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10099         sections specially even when output_data_ is empty.
10100         (Output_segment::maximum_alignment): When first section is relro,
10101         only force alignment for PT_LOAD segments.
10102         * script.cc (script_data_segment_align): New function.
10103         (script_data_segment_relro_end): New function.
10104         * script-c.h (script_data_segment_align): Declare.
10105         (script_data_segment_relro_end): Declare.
10106         * script-sections.h (class Script_sections): Declare
10107         data_segment_align and data_segment_relro_end.  Add fields
10108         segment_align_index_ and saw_relro_end_.
10109         * script-sections.cc (class Sections_element): Add set_is_relro
10110         virtual function.  Add new bool* parameter to place_orphan_here.
10111         Add get_output_section virtual function.
10112         (class Output_section_definition): Add set_is_relro.  Add new
10113         bool* parameter to place_orphan_here.  Add get_output_section.
10114         Add is_relro_ field.
10115         (Output_section_definition::Output_section_definition): Initialize
10116         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10117         and is_relro_ fields.
10118         (Output_section_definition::place_orphan_here): Add is_relro
10119         parameter.
10120         (Output_section_definition::set_section_addresses): Set relro for
10121         output section.
10122         (Output_section_definition::alternate_constraint): Likewise.
10123         (class Orphan_output_section): Add new bool* parameter to
10124         place_orphan_here.  Add get_output_section.
10125         (Orphan_output_section::place_orphan_here): Add is_relro
10126         parameter.
10127         (Script_sections::Script_sections): Initialize
10128         data_segment_align_index_ and saw_relro_end_.
10129         (Script_sections::data_segment_align): New function.
10130         (Script_sections::data_segment_relro_end): New function.
10131         (Script_sections::place_orphan): Set or clear is_relro.
10132         (Script_sections::set_section_addresses): Force alignment of first
10133         TLS section.
10134         * yyscript.y (exp): Call script_data_segment_align and
10135         script_data_segment_relro_end.
10136         * testsuite/relro_script_test.t: New file.
10137         * testsuite/relro_test.cc (using_script): Declare.
10138         (t1, t2): Test using_script.
10139         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10140         (relro_script_test_SOURCES): Define.
10141         (relro_script_test_DEPENDENCIES): Define.
10142         (relro_script_test_LDFLAGS): Define.
10143         (relro_script_test_LDADD): Define.
10144         (relro_script_test.so): New target.
10145         * testsuite/Makefile.in: Rebuild.
10146
10147 2008-08-06  Cary Coutant <ccoutant@google.com>
10148
10149         * archive.cc (Archive::total_archives, Archive::total_members)
10150         (Archive::total_members_loaded): New variables.
10151         (Archive::setup): Add parameter.  Add option to preread
10152         archive symbols.
10153         (Archive::read_armap): Add counter.
10154         (Archive::get_file_and_offset): New function.
10155         (Archive::get_elf_object_for_member): New function.
10156         (Archive::read_all_symbols): New function.
10157         (Archive::read_symbols): New function.
10158         (Archive::add_symbols): Add counters.
10159         (Archive::include_all_members): Use armap to find members if it's
10160         already built.
10161         (Archive::include_member): Skip reading symbols if already read.
10162         Factored code into Archive::get_file_and_offset and
10163         Archive::get_elf_object_for_member.  Changed call to
10164         Mapfile::report_include_archive_member.
10165         (Archive::print_stats): New function.
10166         * archive.h: Declare Object and Read_symbols_data classes.
10167         (Archive::Archive): Add initializers for new members.
10168         (Archive::setup): Add parameter.
10169         (Archive::print_stats): New function.
10170         (Archive::total_archives, Archive::total_members)
10171         (Archive::total_members_loaded): New variables.
10172         (Archive::get_file_and_offset): New function.
10173         (Archive::get_elf_object_for_member): New function.
10174         (Archive::read_all_symbols): New function.
10175         (Archive::read_symbols): New function.
10176         (Archive::Archive_member): New class.
10177         (Archive::members_): New member.
10178         (Archive::num_members_): New member.
10179         * main.cc: Include archive.h.
10180         (main): Call Archive::print_stats.
10181         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10182         archive parameter; member_name is now the fully-decorated name.
10183         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10184         * options.h: (General_options): Add --preread-archive-symbols option.
10185         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10186         Archive::setup.
10187
10188 2008-08-04  Ian Lance Taylor  <iant@google.com>
10189
10190         * symtab.h (Symbol::use_plt_offset): New function.
10191         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10192         * powerpc.cc (Relocate::relocate): Likewise.
10193         * sparc.cc (Relocate::relocate): Likewise.
10194         * x86_64.cc (Relocate::relocate): Likewise.
10195         * testsuite/weak_plt.sh: New test.
10196         * testsuite/weak_plt_main.cc: New test.
10197         * testsuite/weak_plt_shared.cc: New test.
10198         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10199         (check_PROGRAMS): Add weak_plt.
10200         (check_DATA): Add weak_plt_shared.so.
10201         (weak_plt_main_pic.o, weak_plt): New targets.
10202         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10203         * testsuite/Makefile.in: Rebuild.
10204
10205         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10206         gcctestdir/ld.
10207         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10208         * testsuite/Makefile.in: Rebuild.
10209
10210 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10211
10212         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10213         * Makefile.in: Regenerate.
10214         * po/POTFILES.in: Regenerate.
10215
10216 2008-07-29  Ian Lance Taylor  <iant@google.com>
10217
10218         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10219         symbols before other symbols.
10220         * testsuite/script_test_2.cc (test_addr): Declare.
10221         (test_addr_alias): Declare.
10222         (main): Check that test_addr and test_addr_alias have the right
10223         values.
10224         * testsuite/script_test_2.t: Define test_addr_alias and
10225         test_addr.
10226
10227 2008-07-24  Ian Lance Taylor  <iant@google.com>
10228
10229         PR 5990
10230         * descriptors.cc: New file.
10231         * descriptors.h: New file.
10232         * gold-threads.h (class Hold_optional_lock): New class.
10233         * fileread.cc: Include "descriptors.h".
10234         (File_read::~File_read): Release descriptor rather than closing
10235         it.
10236         (File_read::open) [file]: Call open_descriptor rather than open.
10237         Set is_descriptor_opened_.
10238         (File_read::open) [memory]: Assert that descriptor is not open.
10239         (File_read::reopen_descriptor): New function.
10240         (File_read::release): Release descriptor.
10241         (File_read::do_read): Make non-const.  Reopen descriptor.
10242         (File_read::read): Make non-const.
10243         (File_read::make_view): Reopen descriptor.
10244         (File_read::do_readv): Likewise.
10245         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10246         Update declarations.
10247         * layout.cc: Include "descriptors.h".
10248         (Layout::create_build_id): Use open_descriptor rather than open.
10249         * output.cc: Include "descriptors.h".
10250         (Output_file::open): Use open_descriptor rather than open.
10251         * archive.cc (Archive::const_iterator): Change Archive to be
10252         non-const.
10253         (Archive::begin, Archive::end): Make non-const.
10254         (Archive::count_members): Likewise.
10255         * archive.h (class Archive): Update declarations.
10256         * object.h (Object::read): Make non-const.
10257         * Makefile.am (CCFILES): Add descriptors.cc.
10258         (HFILES): Add descriptors.h.
10259         * Makefile.in: Rebuild.
10260
10261         PR 6716
10262         * gold.h: Always include <clocale>.  Add Solaris workarounds
10263         following code in binutils/sysdep.h.
10264
10265         PR 6048
10266         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10267         this->eh_frame_hdr_ is NULL before using it.
10268
10269         * dynobj.cc (Versions::Versions): Update comment.
10270
10271         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10272         the base version name.
10273
10274         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10275         array size plus one.
10276         (Stringpool_template::set_string_offsets): Subtract one from key
10277         before using it as an array index.
10278         (Stringpool_template::get_offset_with_length): Likewise.
10279         (Stringpool_template::write_to_buffer): Likewise.
10280         * stringpool.h (Stringpool_template::get_offset_from_key):
10281         Likewise.
10282
10283 2008-07-23  Ian Lance Taylor  <iant@google.com>
10284
10285         PR 6658
10286         * object.h (Merged_symbol_value::value): Do our best to handle a
10287         negative addend.
10288
10289         PR 6647
10290         * script.cc (Version_script_info::get_versions): Don't add empty
10291         version tag to return value.
10292         (Version_script_info::get_symbol_version_helper): Change return
10293         type to bool.  Add pversion parameter.  Change all callers.
10294         (script_register_vers_node): Don't require a non-NULL tag.
10295         * script.h (class Version_script_info): Update declarations.
10296         (Version_script_info::get_symbol_version): Change return type to
10297         bool.  Add version parameter.  Change all callers.
10298         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10299         handling.  Handle an empty version from a version script.
10300         (Symbol_table::define_special_symbol): Likewise.
10301         * testsuite/ver_test_10.script: New file.
10302         * testsuite/ver_test_10.sh: New file.
10303         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10304         (check_DATA): Add ver_test_10.syms.
10305         (ver_test_10.syms, ver_test_10.so): New target.
10306         * testsuite/Makefile.in: Rebuild.
10307
10308 2008-07-23  Simon Baldwin  <simonb@google.com>
10309
10310         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10311         to zero for undefined symbols from dynamic libraries.
10312
10313 2008-07-23  Ian Lance Taylor  <iant@google.com>
10314
10315         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10316         Change all callers.
10317         * symtab.h (class Symbol_table): Update declaration.
10318         * testsuite/ver_test_9.cc: New file.
10319         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10320         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10321         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10322         (ver_test_9.so, ver_test_9.o): New targets.
10323         * testsuite/Makefile.in: Rebuild.
10324
10325 2008-07-22  Ian Lance Taylor  <iant@google.com>
10326
10327         * options.h (class General_options): Define --check-sections.
10328         * layout.cc (Layout::set_segment_offsets): Handle
10329         --check-sections.
10330
10331         * options.h (class General_options): Define -n/--nmagic and
10332         -N/--omagic.
10333         * options.cc (General_options::finalize): For -n/--nmagic or
10334         -N/--omagic, set -static.
10335         * layout.cc (Layout::attach_allocated_section_to_segment): If
10336         -N/--omagic, don't put read-only and read-write sections in
10337         different segments.
10338         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10339         finding a read-only segment.
10340         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10341         don't set the minimum segment alignment to the common page size,
10342         and don't set the file offset to the address modulo the page size.
10343         * script-sections.cc (Script_sections::create_segments): If
10344         -n/--omagic, don't put read-only and read-write sections in
10345         different segments.
10346
10347         * cref.cc: New file.
10348         * cref.h: New file.
10349         * options.h (class General_options): Add --print-symbol-counts.
10350         * main.cc (main): Issue defined symbol report if requested.
10351         * archive.cc (Archive::interpret_header): Make into a const member
10352         function.
10353         (Archive::add_symbols): Call Input_objects::archive_start and
10354         archive_stop.
10355         (Archive::const_iterator): Define new class.
10356         (Archive::begin, Archive::end): New functions.
10357         (Archive::include_all_members): Rewrite to use iterator.
10358         (Archive::count_members): New function.
10359         * archive.h (class Archive): Update declarations.
10360         (Archive::filename): New function.
10361         * object.cc: Include "cref.h".
10362         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10363         (Sized_relobj::do_get_global_symbol_counts): New function.
10364         (Input_objects::add_object): Add object to cross-referencer.
10365         (Input_objects::archive_start): New function.
10366         (Input_objects::archive_stop): New function.
10367         (Input_objects::print_symbol_counts): New function.
10368         * object.h: Declare Cref and Archive.
10369         (Object::get_global_symbol_counts): New function.
10370         (Object::do_get_global_symbol_counts): New pure virtual function.
10371         (class Sized_relobj): Add defined_count_ field.  Update
10372         declarations.
10373         (class Input_objects): Add cref_ field.  Update constructor.
10374         Update declarations.
10375         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10376         defined_count_.
10377         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10378         symbol counts.
10379         (Sized_dynobj::do_get_global_symbol_counts): New function.
10380         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10381         defined_count_.  Update declarations.  Define Symbols typedef.
10382         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10383         parameter.  Change all callers.
10384         (Symbol_table::add_from_dynobj): Add sympointers and defined
10385         parameters.  Change all callers.
10386         * symtab.h (class Symbol_table): Update declarations.
10387         * Makefile.am (CCFILES): Add cref.cc.
10388         (HFILES): Add cref.h.
10389         * Makefile.in: Rebuild.
10390
10391 2008-07-22  Simon Baldwin  <simonb@google.com>
10392
10393         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10394         to zero when writing undefined symbols.
10395
10396 2008-07-22  Ian Lance Taylor  <iant@google.com>
10397
10398         * output.cc (Output_section::add_input_section): Don't try to
10399         merge empty merge sections.
10400
10401 2008-07-21  Craig Silverstein  <csilvers@google.com>
10402
10403         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10404         Include symbol version in error message.
10405
10406 2008-07-20  Chris Demetriou  <cgd@google.com>
10407
10408         * configure.ac (gold_cv_c_random_seed): New configured variable.
10409         (RANDOM_SEED_CFLAGS): New substituted variable.
10410         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10411         * configure: Rebuild.
10412         * Makefile.in: Likewise.
10413         * testsuite/Makefile.in: Likewise.
10414
10415 2008-07-18  Ian Lance Taylor  <iant@google.com>
10416
10417         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10418         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10419         * testsuite/ver_test_main.cc (main): Call t4.
10420         (t4, t4_2a): Define.
10421         * testsuite/ver_test_2.cc (t4_2): Define.
10422         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10423         * testsuite/ver_test_4.cc (t4_2a): Define.
10424         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10425         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10426
10427 2008-07-17  Ian Lance Taylor  <iant@google.com>
10428
10429         * dynobj.cc (Versions::add_def): If we give an error about a
10430         missing version, go ahead and create the version anyhow.
10431
10432 2008-07-10  Ian Lance Taylor  <iant@google.com>
10433
10434         Handle output sections with more than 0x7fffffff bytes.
10435         * object.h (class Relobj): Change map_to_output_ to
10436         output_sections_, and just keep a section pointer.  Change all
10437         uses.  Move comdat group support to Sized_relobj.
10438         (Relobj::is_section_specially_mapped): Remove.
10439         (Relobj::output_section): Remove poff parameter.  Change all
10440         callers.
10441         (Relobj::output_section_offset): New function.
10442         (Relobj::set_section_offset): Rewrite.
10443         (Relobj::map_to_output): Remove.
10444         (Relobj::output_sections): New function.
10445         (Relobj::do_output_section_offset): New pure virtual function.
10446         (Relobj::do_set_section_offset): Likewise.
10447         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10448         group support from Relobj.  Update declarations.
10449         (Sized_relobj::get_output_section_offset): New function.
10450         (Sized_relobj::do_output_section_offset): New function.
10451         (Sized_relobj::do_set_section_offset): New function.
10452         * object.cc (Relobj::output_section_address): Remove.
10453         (Sized_relobj::Sized_relobj): Initialize new fields.
10454         (Sized_relobj::include_section_group): Cast find_kept_object to
10455         Sized_relobj.
10456         (Sized_relobj::include_linkonce_section): Likewise.
10457         (Sized_relobj::do_layout): Use separate arrays for output section
10458         and output offset.
10459         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10460         output_sections.
10461         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10462         output_sections and section_offsets.
10463         (Sized_relobj::write_local_symbols): Likewise.
10464         (map_to_kept_section): Compute output address directly.
10465         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10466         output_sections and section_offsets.
10467         (Sized_relobj::write_sections): Likewise.
10468         (Sized_relobj::relocate_sections): Likewise.
10469         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10470         * output.h (class Output_reloc): Update declarations.  Change
10471         u2_.relobj to Sized_relobj*.
10472         (class Output_data_reloc): Change add functions to use
10473         Sized_relobj*.
10474         * output.cc (Output_reloc::Output_reloc): Change relobj to
10475         Sized_relobj*.
10476         (Output_reloc::local_section_offset): Change return type to
10477         Elf_Addr.  Use get_output_section_offset.
10478         (Output_reloc::get_address): Likewise.
10479         (Output_section::is_input_address_mapped): Don't call
10480         is_section_specially_mapped.
10481         (Output_section::output_offset): Likewise.
10482         (Output_section::output_address): Likewise.
10483         (Output_section::starting_output_address): Likewise.
10484         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10485         parameter to Sized_relobj*.
10486         (Copy_relocs::need_copy_reloc): Likewise.
10487         (Copy_relocs::save): Likewise.
10488         * copy-relocs.h (class Copy_relocs): Update declarations.
10489         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10490         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10491         * target-reloc.h (relocate_for_relocatable): Change
10492         offset_in_output_section type to Elf_Addr.  Change code that uses
10493         it as well.
10494         * layout.cc (Layout::layout): Always set *off.
10495         * mapfile.cc (Mapfile::print_input_section): Use
10496         output_section_offset.
10497         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10498         Sized_relobj*.
10499         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10500         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10501         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10502
10503 2008-07-03  Ian Lance Taylor  <iant@google.com>
10504
10505         * layout.cc (Layout::include_section): Do not discard unrecognized
10506         SHT_STRTAB sections.
10507
10508 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10509
10510         * script.cc (Lex::can_continue_name): Make '?' allowable in
10511         version-script names.
10512         * testsuite/version_script.map: Change glob pattern to use '?'
10513
10514 2008-06-30  Manish Singh  <yosh@gimp.org>
10515
10516         PR 6585
10517         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10518         Correct typo.
10519
10520 2008-06-30  Ian Lance Taylor  <iant@google.com>
10521
10522         PR 6660
10523         PR 6682
10524         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10525         versions]: Don't try to read the value in the contents, since we
10526         don't use it.  Use the template endianness when writing.
10527
10528 2008-06-25  Cary Coutant  <ccoutant@google.com>
10529
10530         * fileread.cc (File_read::make_view): Assert on zero-length view.
10531         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10532         symbol table when there are no symbols to read.
10533
10534 2008-06-23  Craig Silverstein  <csilvers@google.com>
10535
10536         * version.cc (version_string): Bump to 1.7
10537
10538 2008-06-18  Craig Silverstein  <csilvers@google.com>
10539
10540         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10541         constant 0xFFFF to type Valtype.
10542         (Powerpc_relocate_functions::rel16_ha): Likewise.
10543
10544 2008-06-17  Ian Lance Taylor  <iant@google.com>
10545
10546         * output.h (Output_section::Input_section): Initialize p2align_ to
10547         zero for Output_section_data constructors.
10548         (Output_section::Input_section::addralign): If not an input
10549         section, return the alignment of the Output_section_data.
10550         * testsuite/copy_test.cc: New file.
10551         * testsuite/copy_test_1.cc: New file.
10552         * testsuite/copy_test_2.cc: New file.
10553         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10554         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10555         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10556         (copy_test_1_pic.o, copy_test_1.so): New targets.
10557         (copy_test_2_pic.o, copy_test_2.so): New targets.
10558         * testsuite/Makefile.in: Rebuild.
10559
10560         * script-sections.cc (Script_sections::place_orphan): Initialize
10561         local variable exact.
10562
10563 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10564
10565         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10566
10567 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10568             David S. Miller  <davem@davemloft.net>
10569
10570         * powerpc.cc: New file.
10571         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10572         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10573         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10574         * Makefile.in: Rebuild.
10575
10576 2008-06-09  Ian Lance Taylor  <iant@google.com>
10577
10578         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10579         <exception>.
10580         (throwing, orig_terminate): New static variables.
10581         (terminate_handler): New static function.
10582         (t2): Set terminate handler.
10583
10584 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10585
10586         PR 6584
10587         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10588         alignment.
10589
10590 2008-05-30  Cary Coutant  <ccoutant@google.com>
10591
10592         * archive.cc (Archive::include_all_members) Correct to step
10593         over symbol table and extended name table in thin archives.
10594
10595 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10596
10597         PR 6407
10598         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10599         calculation.
10600
10601 2008-05-28  Caleb Howe  <cshowe@google.com>
10602
10603         * reduced_debug_output.cc: New file.
10604         * reduced_debug_output.h: New file.
10605         * options.h (class General_options): Add --strip-debug-non-line.
10606         * options.cc (General_options::finalize): Add strip_debug_non_line
10607         to the strip heirarchy.
10608         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10609         fields.
10610         * layout.cc: Include "reduced_debug_output.h".
10611         (Layout::Layout): Initialize new fields.
10612         (line_only_debug_sections): New static array.
10613         (is_lines_only_debug_sections): New static inline function.
10614         (Layout::include_section): Handle --strip-debug-non-line.
10615         (Layout::make_output_section): If --strip-debug-non-line, build
10616         new output sections for .debug_abbrev and .debug_info.
10617         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10618         gold.  Warn about possible overflow.
10619         (read_signed_LEB_128): Likewise.
10620         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10621         (read_signed_LEB_128): Declare.
10622         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10623         (HFILES): Add reduced_debug_output.h.
10624         * Makefile.in: Rebuild.
10625
10626 2008-05-21  Ian Lance Taylor  <iant@google.com>
10627
10628         * mapfile.cc: New file.
10629         * mapfile.h: New file.
10630         * options.h (class General_options): Add -M/--print-map and -Map.
10631         * options.cc (General_options::finalize): Make -M equivalent to
10632         -Map -.
10633         * main.cc: Include <cstdio> and "mapfile.h".
10634         (main): Open mapfile if requested.
10635         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10636         constructor.  Change caller.
10637         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10638         (queue_middle_tasks): Likewise.
10639         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10640         declarations.
10641         * archive.cc: Include "mapfile.h".
10642         (Archive::add_symbols): Add mapfile parameter.  Change all
10643         callers.  Pass mapfile, symbol, and reason to include_member.
10644         (Archive::include_all_members): Add mapfile parameter.  Change all
10645         callers.
10646         (Archive::include_member): Add mapfile, sym, and why parameters.
10647         Change all callers.  Report inclusion to map file.
10648         * archive.h: Include "fileread.h".
10649         (class Archive): Update declarations.
10650         (Archive::file): New const method.
10651         (class Add_archive_symbols): Add mapfile_ field.  Update
10652         constructor.  Change all callers.
10653         * readsyms.h (class Read_symbols): Likewise.
10654         (class Finish_group): Likewise.
10655         (class Read_script): Likewise.
10656         * common.cc: Include "mapfile.h".
10657         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10658         all callers.
10659         (Symbol_table::do_allocate_commons): Likewise.
10660         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10661         symbol allocation to mapfile.
10662         * common.h (class Allocate_commons_task): Add mapfile_ field.
10663         Update constructor.  Change all callers.
10664         * symtab.h (class Symbol_table): Update declarations.
10665         * layout.cc: Include "mapfile.h".
10666         (Layout_task_runner::run): Print information to mapfile.
10667         (Layout::create_gold_note): Change Output_data_fixed_space to
10668         Output_data_zero_fill.
10669         (Layout::create_build_id): Likewise.
10670         (Layout::print_to_mapfile): New function.
10671         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10672         constructor.  Change caller.
10673         (class Layout): Declare print_to_mapfile.
10674         * output.cc (Output_section::Input_section::print_to_mapfile): New
10675         function.
10676         (Output_section::add_input_section): If producing a map, always
10677         add to input_sections_ list.
10678         (Output_section::do_print_to_mapfile): New function.
10679         (Output_segment::print_sections_to_mapfile): New function.
10680         (Output_segment::print_section_list_to_mapfile): New function.
10681         * output.h: Include "mapfile.h".
10682         (Output_data::print_to_mapfile): New function.
10683         (Output_data::do_print_to_mapfile): New virtual function.
10684         (Output_segment_headers::do_print_to_mapfile): New function.
10685         (Output_file_header::do_print_to_mapfile): New function.
10686         (Output_data_const::do_print_to_mapfile): New function.
10687         (class Output_data_const_buffer): Add map_name_ field.  Update
10688         constructor.  Change all callers.  Add do_print_to_mapfile
10689         function.
10690         (class Output_data_fixed_space): Likewise.
10691         (class Output_data_space): Likewise.
10692         (class Output_data_zero_fill): New class.
10693         (Output_data_strtab::do_print_to_mapfile): New function.
10694         (Output_data_reloc_base::do_print_to_mapfile): New function.
10695         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10696         (Output_data_group::do_print_to_mapfile): New function.
10697         (Output_data_got::do_print_to_mapfile): New function.
10698         (Output_data_dynamic::do_print_to_mapfile): New function.
10699         (Output_symtab_xindex::do_print_to_mapfile): New function.
10700         (class Output_section): Declare do_print_to_mapflie.  Declare
10701         print_to_mapfile in Input_section.
10702         (class Output_segment): Declare new functions.
10703         * object.h (Sized_relobj::symbol_count): New function.
10704         * script-sections.cc
10705         (Output_section_element_dot_assignment::set_section_addresses):
10706         Change Output_data_fixed_space to Output_data_zero_fill.
10707         (Output_data_expression::do_print_to_mapfile): New function.
10708         * script.cc (read_input_script): Add mapfile parameter.  Change
10709         all callers.
10710         * script.h (read_input_script): Update declaration.
10711         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10712         (Eh_frame::do_print_to_mapfile): New function.
10713         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10714         (Output_merge_string::do_print_to_mapfile): New function.
10715         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10716         function.
10717         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10718         function.
10719         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10720         function.
10721         * Makefile.am (CCFILES): Add mapfile.cc.
10722         (HFILES): Add mapfile.h.
10723         * Makefile.in: Rebuild.
10724
10725 2008-05-19  Ian Lance Taylor  <iant@google.com>
10726
10727         * options.h (class General_options): Add -z relro.
10728         * layout.cc (Layout::Layout): Initialize relro_segment_.
10729         (Layout::add_output_section_data): Return the output section.
10730         (Layout::make_output_section): Rcognize relro sections and mark
10731         them appropriately.
10732         (Layout::attach_allocated_section_to_segment): Put relro sections
10733         in a PT_GNU_RELRO segment.
10734         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10735         section as relro.
10736         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10737         PT_TLS segments.
10738         (Layout::linkonce_mapping): Map d.rel.ro.local to
10739         .data.rel.ro.local.
10740         (Layout::output_section_name): Us .data.rel.ro.local for any
10741         section which begins with that.
10742         * layout.h (class Layout): Update add_output_section_data
10743         declaration.  Add relro_segment_ field.
10744         * output.cc (Output_section::Output_section): Initialize is_relro_
10745         and is_relro_local_ fields.
10746         (Output_segment::add_output_section): Group relro sections.
10747         (Output_segment::is_first_section_relro): New function.
10748         (Output_segment::maximum_alignment): If there is a relro section,
10749         align the segment to the common page size.
10750         (Output_segment::set_section_addresses): Track whether we are
10751         looking at relro sections.  If the last section is a relro
10752         section, align to the common page size.
10753         (Output_segment::set_section_list_addresses): Add in_relro
10754         parameter.  Change all callers.  Align to the page size when
10755         moving from relro to non-relro section.
10756         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10757         segment.
10758         * output.h (class Output_section): Add is_relro_ and
10759         is_relro_local_ fields.
10760         (Output_section::is_relro): New function.
10761         (Output_section::set_is_relro): New function.
10762         (Output_section::is_relro_local): New function.
10763         (Output_section::set_is_relro_local): New function.
10764         (class Output_segment): Update declarations.
10765         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10766         * sparc.cc (Target_sparc::got_section): Likewise.
10767         * x86_64.cc (Target_x86_64::got_section): Likewise.
10768         * testsuite/relro_test_main.cc: New file.
10769         * testsuite/relro_test.cc: New file.
10770         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10771         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10772         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10773         (relro_test.so, relro_test_pic.o): New targets.
10774         * testsuite/Makefile.in: Rebuild.
10775
10776 2008-05-16  Ian Lance Taylor  <iant@google.com>
10777
10778         * output.cc (Output_segment::add_output_section): Remove front
10779         parameter.
10780         * output.h (class Output_segment): Remove
10781         add_initial_output_section and overloaded add_output_section.
10782         Update declaration of remaining add_output_section.
10783         * layout.cc (Layout::create_interp): Call add_output_section
10784         rather than add_initial_output_section.
10785         (Layout::finish_dynamic_section): Likewise.
10786
10787         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10788         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10789         know the dynamic type.
10790         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10791         field.  Initialize it in constructor.
10792         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10793         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10794         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10795         reloc.
10796
10797         * output.cc (Output_reloc::get_address): Change return type to
10798         Elf_Addr.
10799         * output.h (class Output_reloc): Update get_address declaration.
10800         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10801         for section addresses.
10802
10803 2008-05-09  Ian Lance Taylor  <iant@google.com>
10804
10805         PR 6493
10806         * gold.cc (gold_nomem): Use return value of write.
10807
10808 2008-05-08  Ian Lance Taylor  <iant@google.com>
10809
10810         * symtab.c (Symbol::init_base_output_data): Add version
10811         parameter.  Change all callers.
10812         (Symbol::init_base_output_segment): Likewise.
10813         (Symbol::init_base_constant): Likewise.
10814         (Symbol::init_base_undefined): Likewise.
10815         (Sized_symbol::init_output_data): Likewise.
10816         (Sized_symbol::init_output_segment): Likewise.
10817         (Sized_symbol::init_constant): Likewise.
10818         (Sized_symbol::init_undefined): Likewise.
10819         (Symbol_table::do_define_in_output_data): If the new symbol has a
10820         version, mark it as the default.
10821         (Symbol_table::do_define_in_output_segment): Likewise.
10822         (Symbol_table::do_define_as_constant): Likewise.
10823         * symtab.h (class Symbol): Update declarations.
10824         (class Sized_symbol): Likewise.
10825         * resolve.cc (Symbol::override_version): New function.
10826         (Symbol::override_base): Call override_version.
10827         (Symbol::override_base_with_special): Likewise.
10828         * testsuite/ver_script_8.script: New file.
10829         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10830         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10831         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10832         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10833
10834 2008-05-06  Ian Lance Taylor  <iant@google.com>
10835
10836         PR 6049
10837         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10838         functions.
10839         (class General_options): Remove existing --undefined, and add
10840         --no-undefined instead.  Add new --undefined as synonym for -u.
10841         * archive.cc (Archive::add_symbols): Check whether symbol was
10842         named with -u.
10843         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10844         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10845         all uses.  Add IS_UNDEFINED.  Update declarations to split
10846         different versions of init_base.  Declare init_base_undefined.
10847         (Symbol::is_defined): Handle IS_UNDEFINED.
10848         (Symbol::is_undefined): Likewise.
10849         (Symbol::is_weak_undefined): Call is_undefined.
10850         (Symbol::is_absolute): Handle IS_CONSTANT.
10851         (class Sized_symbol): Update declarations to split different
10852         versions of init.  Declare init_undefined.
10853         (class Symbol_table): Declare new functions.
10854         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10855         Change all callers.
10856         (Symbol::init_base_output_data): Likewise.
10857         (Symbol::init_base_output_segment): Likewise.
10858         (Symbol::init_base_constant): Likewise.
10859         (Symbol::init_base_undefined): New function.
10860         (Sized_symbol::init_object): Rename from init.  Change all
10861         callers.
10862         (Sized_symbol::init_output_data): Likewise.
10863         (Sized_symbol::init_output_segment): Likewise.
10864         (Sized_symbol::init_constant): Likewise.
10865         (Sized_symbol::init_undefined): New function.
10866         (Symbol_table::add_undefined_symbols_from_command_line): New
10867         function.
10868         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10869         function.
10870         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10871         (Symbol::output_section): Likewise.
10872         (Symbol::set_output_section): Likewise.
10873         (Symbol_table::sized_finalize_symbol): Likewise.
10874         (Symbol_table::sized_write_globals): Likewise.
10875         * resolve.cc (Symbol_table::should_override): Likewise.
10876         (Symbol::override_base_with_special): Likewise.
10877
10878         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10879         symbol, change it to have default visibility.
10880         * testsuite/protected_1.cc: New file.
10881         * testsuite/protected_2.cc: New file.
10882         * testsuite/protected_3.cc: New file.
10883         * testsuite/protected_main_1.cc: New file.
10884         * testsuite/protected_main_2.cc: New file.
10885         * testsuite/protected_main_3.cc: New file.
10886         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10887         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10888         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10889         (protected_1.so): New target.
10890         (protected_1_pic.o, protected_2_pic.o): New targets.
10891         (protected_3_pic.o): New target.
10892         (check_PROGRAMS): Add protected_2.
10893         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10894         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10895         * testsuite/Makefile.in: Rebuild.
10896
10897         * options.h (DEFINE_var): Add set_user_set_##varname__.
10898         (DEFINE_bool_alias): New macro.
10899         (class General_options): Define -Bstatic using DEFINE_bool_alias
10900         rather than DEFINE_special.  Add --undefined as an alias for -z
10901         defs.
10902         * options.cc (General_options::parse_Bstatic): Remove.
10903
10904         * options.h (class General_options): Add --fatal-warnings.
10905         * main.cc (main): Implement --fatal-warnings.
10906         * errors.h (Errors::warning_count): New function.
10907
10908         * options.h (class General_options): Add -Bsymbolic-functions.
10909         * symtab.h (Symbol::is_preemptible): Check for
10910         -Bsymbolic-functions.
10911
10912 2008-05-05  Ian Lance Taylor  <iant@google.com>
10913
10914         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10915         as noVARNAME rather than no-VARNAME.
10916         (class General_options): Add option -z combreloc.
10917         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10918         get_address.
10919         (Output_reloc::sort_before) [SHT_REL]: New function.
10920         (Output_reloc::sort_before) [SHT_RELA]: New function.
10921         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10922         Sort_relocs_comparison.
10923         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10924         parameter.  Change all callers.
10925         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10926         sort_relocs parameter.  Change all callers.
10927         * output.cc (Output_reloc::get_address): New function, broken out
10928         of write_rel.
10929         (Output_reloc::write_rel): Call it.
10930         (Output_reloc::compare): New function.
10931         (Output_data_reloc_base::do_write): Optionally sort relocs.
10932
10933         * configure.ac: If targ_extra_obj is set, link it in.
10934         * configure.tgt: Initialize all variables.
10935         (x86_64*): Set targ_extra_obj and targ_extra_size.
10936         * configure: Rebuild.
10937
10938         * object.cc (Sized_relobj::include_section_group): Adjust section
10939         indexes read from group data.  Build vector to pass to
10940         layout_group.
10941         * layout.cc (Layout::layout_group): Add flags and shndxes
10942         parameters.  Remove contents parameter.  Change caller.  Update
10943         explicit instantiations.
10944         * layout.h (class Layout): Update layout_group declaration.
10945         * output.cc (Output_data_group::Output_data_group): Add flags and
10946         input_shndxes parameters.  Remove contents parameter.  Change
10947         caller.
10948         (Output_data_group::do_write): Change input_sections_ to
10949         input_shndxes_.
10950         * output.h (class Output_data_group): Update constructor
10951         declaration.  Rename input_sections_ to input_shndxes_.
10952         * testsuite/many_sections_test.cc: Add template.
10953
10954 2008-04-30  Cary Coutant  <ccoutant@google.com>
10955
10956         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10957
10958         * layout.cc (Layout::include_section): Refactored check for debug
10959         info section.
10960         (Layout::add_comdat): Add new parameters.  Change type
10961         of signature parameter.  Add object and shndx to signatures table.
10962         (Layout::find_kept_object): New function.
10963         * layout.h: Include <cstring>.
10964         (Layout::is_debug_info_section): New function.
10965         (Layout::add_comdat): Add new parameters.
10966         (Layout::find_kept_object): New function.
10967         (Layout::Kept_section): New struct.
10968         (Layout::Signatures): Change type of map range.
10969         * object.cc (Relobj::output_section_address): New function.
10970         (Sized_relobj::include_section_group): Add new parameters.  Change
10971         calls to Layout::add_comdat.  Change to build table of kept comdat
10972         groups and table mapping discarded sections to kept sections.
10973         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10974         (Sized_relobj::do_layout): Change calls to include_section_group and
10975         include_linkonce_section.
10976         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10977         value to zero when section is discarded.
10978         (Sized_relobj::map_to_kept_section): New function.
10979         * object.h (Relobj::output_section_address): New function.
10980         (Relobj::Comdat_group): New type.
10981         (Relobj::find_comdat_group): New function.
10982         (Relobj::Comdat_group_table): New type.
10983         (Relobj::Kept_comdat_section): New type.
10984         (Relobj::Kept_comdat_section_table): New type.
10985         (Relobj::add_comdat_group): New function.
10986         (Relobj::set_kept_comdat_section): New function.
10987         (Relobj::get_kept_comdat_section): New function.
10988         (Relobj::comdat_groups_): New field.
10989         (Relobj::kept_comdat_sections_): New field.
10990         (Symbol_value::input_value): Update comment.
10991         (Sized_relobj::map_to_kept_section) New function.
10992         (Sized_relobj::include_linkonce_section): Add new parameter.
10993         * target-reloc.h (Comdat_behavior): New type.
10994         (get_comdat_behavior): New function.
10995         (relocate_section): Add code to map a discarded section to the
10996         corresponding kept section when applying a relocation.
10997
10998 2008-04-30  Craig Silverstein  <csilvers@google.com>
10999
11000         * dwarf_reader.cc (next_generation_count): New static var.
11001         (Addr2line_cache_entry): New struct.
11002         (addr2line_cache): New static var.
11003         (Dwarf_line_info::one_addr2line): Added caching.
11004         (Dwarf_line_info::clear_addr2line_cache): New function.
11005         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11006         cache-size parameter.
11007         (Dwarf_line_info::one_addr2line_cache): New function.
11008         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11009         new cache-size argument to one_addr2line(), and clear cache.
11010
11011 2008-04-28  Cary Coutant  <ccoutant@google.com>
11012
11013         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11014         R_386_PC8 relocations.
11015
11016 2008-04-23  Ian Lance Taylor  <iant@google.com>
11017
11018         * object.cc (Sized_relobj::include_section_group): Check for
11019         invalid section group.
11020
11021         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11022         header size.
11023
11024         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11025         than read for file header.
11026         * archive.cc (Archive::include_member): Likewise.
11027
11028 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11029
11030         * aclocal.m4: Regenerate.
11031         * configure: Regenerate.
11032
11033 2008-04-19  Ian Lance Taylor  <iant@google.com>
11034
11035         * version.cc (version_string): Bump to 1.6.
11036
11037         * testsuite/Makefile.am (many_sections_r_test): New target.
11038         (many_sections_r_test_SOURCES): Remove.
11039         (many_sections_r_test_DEPENDENCIES): Remove.
11040         (many_sections_r_test_LDFLAGS): Remove.
11041         (many_sections_r_test_LDADD): Remove.
11042
11043         * object.cc (Sized_relobj::do_add_symbols): Always pass
11044         local_symbol_count_ to add_from_relobj.
11045
11046         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11047         every thousand variables.
11048         * testsuite/Makefile.in: Rebuild.
11049
11050         * object.cc (Xindex::initialize_symtab_xindex): New function.
11051         (Xindex::read_symtab_xindex): New function.
11052         (Xindex::sym_xindex_to_shndx): New function.
11053         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11054         available.
11055         (Sized_relobj::do_initialize_xindex): New function.
11056         (Sized_relobj::do_read_symbols): Adjust section links.
11057         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11058         parameter.  Change all callers.
11059         (Sized_relobj::include_section_group): Adjust section links and
11060         symbol section indexes.
11061         (Sized_relobj::do_layout): Adjust section links.
11062         (Sized_relobj::do_count_local_symbols): Adjust section links and
11063         symbol section indexes.
11064         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11065         ordinary and special symbols.
11066         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11067         dynsym_xindex parameters.  Change all callers.  Adjust section
11068         links.  Use SHN_XINDEX when needed.
11069         (Sized_relobj::get_symbol_location_info): Adjust section links.
11070         Don't get fooled by special symbols.
11071         * object.h (class Xindex): Define.
11072         (class Object): Add xindex_ parameter.  Declare virtual functoin
11073         do_initialize_xindex.
11074         (Object::adjust_sym_shndx): New function.
11075         (Object::set_xindex): New protected function.
11076         (class Symbol_value): Add is_ordinary_shndx_ field.
11077         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11078         (Symbol_value::value): Assert ordinary section.
11079         (Symbol_value::initialize_input_to_output_map): Likewise.
11080         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11081         Change all callers.
11082         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11083         all callers.
11084         (class Sized_relobj): Update declarations.
11085         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11086         parameter.  Change all callers.
11087         (Sized_relobj::adjust_shndx): New function.
11088         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11089         field.
11090         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11091         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11092         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11093         (Sized_dynobj::read_dynsym_section): Adjust section links.
11094         (Sized_dynobj::read_dynamic): Likewise.
11095         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11096         section links.
11097         (Sized_dynobj::do_initialize_xindex): New function.
11098         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11099         do_initialize_xindex.
11100         (Sized_dynobj::adjust_shndx): New function.
11101         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11102         dynsym_xindex_ fields.
11103         (Layout::finalize): Add a call to set_section_indexes before
11104         creating the symtab sections.
11105         (Layout::set_section_indexes): Don't do anything if the section
11106         already has a section index.
11107         (Layout::create_symtab_sections): Add shnum parameter.  Change
11108         caller.  Create .symtab_shndx section if needed.
11109         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11110         caller.
11111         (Layout::allocated_output_section_count): New function.
11112         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11113         needed.
11114         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11115         fields.  Update declarations.
11116         (Layout::symtab_xindex): New function.
11117         (Layout::dynsym_xindex): New function.
11118         (class Write_symbols_task): Add layout_ field.
11119         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11120         Change caller.
11121         * output.cc (Output_section_headers::Output_section_headers): Add
11122         shstrtab_section parameter.  Change all callers.
11123         (Output_section_headers::do_sized_write): Store overflow values
11124         for section count and section string table section index in
11125         section header zero.
11126         (Output_file_header::do_sized_write): Check for overflow of
11127         section count and section string table section index.
11128         (Output_symtab_xindex::do_write): New function.
11129         (Output_symtab_xindex::endian_do_write): New function.
11130         * output.h (class Output_section_headers): Add shstrtab_section_.
11131         Update declarations.
11132         (class Output_symtab_xindex): Define.
11133         (Output_section::has_out_shndx): New function.
11134         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11135         field.
11136         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11137         Change all callers.
11138         (Sized_symbol::init): Likewise.
11139         (Symbol::output_section): Check for ordinary symbol.
11140         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11141         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11142         callers.
11143         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11144         Change all callers.  Simplify handling of symbols from sections
11145         not included in the link.
11146         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11147         distinction.
11148         (Weak_alias_sorter::operator()): Assert that symbols are
11149         ordinary.
11150         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11151         distinction.
11152         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11153         parameters.  Change all callers.
11154         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11155         symbol distinction.  Use SHN_XINDEX when needed.
11156         (Symbol_table::write_section_symbol): Add symtab_xindex
11157         parameter.  Change all callers.
11158         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11159         SHN_XINDEX when needed.
11160         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11161         declarations.
11162         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11163         (Symbol::is_defined): Check is_ordinary.
11164         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11165         (Symbol::is_absolute, Symbol::is_common): Likewise.
11166         (class Sized_symbol): Update declarations.
11167         (class Symbol_table): Update declarations.
11168         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11169         parameters.  Change all callers.
11170         (Sized_symbol::override): Likewise.
11171         (Symbol_table::override): Likewise.
11172         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11173         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11174         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11175         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11176         to be in an ordinary section.
11177         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11178         object and is_ordinary parameters.  Change all callers.
11179         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11180         Change all callers.  Don't add undefined or non-ordinary symbols
11181         to reloc_map_.
11182         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11183         Change all callers.
11184         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11185         declarations.
11186         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11187         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11188         (Sized_relobj::relocate_sections): Likewise.
11189         * target-reloc.h (scan_relocs): Adjust section symbol index.
11190         (scan_relocatable_relocs): Likewise.
11191         * i386.cc (Scan::local): Check for ordinary symbols.
11192         * sparc.cc (Scan::local): Likewise.
11193         * x86_64.cc (Scan::local): Likewise.
11194         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11195         to symbol_section_and_value.
11196         * testsuite/many_sections_test.cc: New file.
11197         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11198         (check_PROGRAMS): Add many_sections_test.
11199         (many_sections_test_SOURCES): Define.
11200         (many_sections_test_DEPENDENCIES): Define.
11201         (many_sections_test_LDFLAGS): Define.
11202         (BUILT_SOURCES): Add many_sections_define.h.
11203         (many_sections_define.h): New target.
11204         (BUILT_SOURCES): Add many_sections_check.h.
11205         (many_sections_check.h): New target.
11206         (check_PROGRAMS): Add many_sections_r_test.
11207         (many_sections_r_test_SOURCES): Define.
11208         (many_sections_r_test_DEPENDENCIES): Define.
11209         (many_sections_r_test_LDFLAGS): Define.
11210         (many_sections_r_test_LDADD): Define.
11211         (many_sections_r_test.o): New target.
11212         * testsuite/Makefile.in: Rebuild.
11213
11214 2008-04-17  Cary Coutant  <ccoutant@google.com>
11215
11216         * errors.cc (Errors::info): New function.
11217         (gold_info): New function.
11218         * errors.h (Errors::info): New function.
11219         * gold.h (gold_info): New function.
11220         * object.cc (Input_objects::add_object): Print trace output.
11221         * options.cc (options::parse_set): New function.
11222         (General_options::parse_wrap): Deleted.
11223         (General_options::General_options): Deleted initializer.
11224         * options.h (options::String_set): New typedef.
11225         (options::parse_set): New function.
11226         (DEFINE_set): New macro.
11227         (General_options::wrap): Changed to use DEFINE_set. Changed
11228         callers of any_wrap_symbols and is_wrap_symbol.
11229         (General_options::trace, General_options::trace_symbol):
11230         New options.
11231         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11232         (General_options::wrap_symbols_): Deleted.
11233         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11234
11235 2008-04-17  David S. Miller  <davem@davemloft.net>
11236
11237         * options.cc (General_options::parse_V): New function.
11238         * options.h: Add entries for -V and -Qy.
11239
11240 2008-04-17  Ian Lance Taylor  <iant@google.com>
11241
11242         * common.cc (Symbol_table::allocate_commons): Remove options
11243         parameter.  Change caller.
11244         (Symbol_table::do_allocate_commons): Remove options parameter.
11245         Change caller.  Just call do_allocate_commons_list twice.
11246         (Symbol_table::do_allocate_commons_list): New function, broken out
11247         of do_allocate_commons.
11248         * common.h (class Allocate_commons_task): Remove options_ field.
11249         Update constructor.
11250         * symtab.cc (Symbol_table::Symbol_table): Initialize
11251         tls_commons_.
11252         (Symbol_table::add_from_object): Put TLS common symbols on
11253         tls_commons_ list.
11254         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11255         which are IN_OUTPUT_DATA.
11256         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11257         allocate_commons and do_allocate_commons declarations.  Declare
11258         do_allocate_commons_list.
11259         * gold.cc (queue_middle_tasks): Update creation of
11260         Allocate_commons_task to not pass options.
11261         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11262         (TLS_TEST_C_FLAGS): New variable.
11263         (tls_test_c_pic.o): New target.
11264         (tls_test_shared.so): Link in tls_test_c_pic.o.
11265         (tls_test_c_pic_ie.o): New target.
11266         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11267         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11268         (tls_test_c.o): New target.
11269         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11270         (tls_pic_test_LDADD): Likewise.
11271         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11272         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11273         (tls_test_c_gnu2.o): New target.
11274         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11275         tls_test_c_gnu2.o.
11276         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11277         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11278         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11279         * testsuite/tls_test.cc: Include "config.h".
11280         (t_last): Call t11_last.
11281         * testsuite/tls_test.h (t11, t11_last): Declare.
11282         * testsuite/tls_test_c.c: New file.
11283         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11284         * configure.ac: Check for OpenMP support.
11285         * configure, config.in, Makefile.in: Rebuild.
11286         * testsuite/Makefile.in: Rebuild.
11287
11288 2008-04-16  Cary Coutant  <ccoutant@google.com>
11289
11290         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11291         (Target_i386::tls_base_symbol_defined_): New field.
11292         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11293         (Target_i386::Scan::global): Likewise.
11294         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11295         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11296         (Target_x86_64::tls_base_symbol_defined_): New field.
11297         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11298         (Target_x86_64::Scan::global): Likewise.
11299
11300 2008-04-16  Cary Coutant  <ccoutant@google.com>
11301
11302         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11303         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11304         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11305         building shared libraries.
11306         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11307         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11308         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11309         * testsuite/Makefile.in: Rebuild.
11310         * testsuite/weak_undef.h: New file.
11311         * testsuite/weak_undef_file1.cc: Add extra test cases.
11312         * testsuite/weak_undef_file2.cc: Likewise.
11313         * testsuite/weak_undef_test.cc: Likewise.
11314
11315 2008-04-16  David S. Miller  <davem@davemloft.net>
11316
11317         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11318         Add issued_non_pic_error_ field.  Declare check_non_pic.
11319         (Target_sparc::Scan::check_non_pic): New function.
11320         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11321         (Target_sparc::Scan::global): Likewise.
11322
11323         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11324         * configure: Rebuild.
11325
11326         * options.h (DEFINE_enable): New macro.
11327         (new_dtags): New enable option.
11328         (initfirst, interpose, loadfltr, nodefaultlib,
11329         nodelete, nodlopen, nodump): New -z options.
11330         * layout.cc (Layout:finish_dynamic_section): If new
11331         dtags enabled, emit DT_RUNPATH.  Also, emit a
11332         DT_FLAGS_1 containing any specified -z flags.
11333
11334 2008-04-16  Ian Lance Taylor  <iant@google.com>
11335
11336         * copy-relocs.cc: New file.
11337         * copy-relocs.h: New file.
11338         * reloc.cc: Remove Copy_relocs code.
11339         * reloc.h: Likewise.
11340         * reloc-types.h (struct Reloc_types) [both versions]: Add
11341         get_reloc_addend_noerror.
11342         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11343         variants of add_global which take an addend which must be zero.
11344         * i386.cc: Include "copy-relocs.h".
11345         (class Target_i386): Change type of copy_relocs_ to variable,
11346         update initializer.
11347         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11348         Change all callers.
11349         (Target_i386::do_finalize_sections): Change handling of
11350         copy_relocs_.
11351         * sparc.cc: Include "copy-relocs.h".
11352         (class Target_sparc): Change type of copy_relocs_ to variable,
11353         update initializer.
11354         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11355         Change all callers.
11356         (Target_sparc::do_finalize_sections): Change handling of
11357         copy_relocs_.
11358         * x86_64.cc: Include "copy-relocs.h".
11359         (class Target_x86_64): Change type of copy_relocs_ to variable,
11360         update initializer.
11361         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11362         class.  Change all callers.
11363         (Target_x86_64::do_finalize_sections): Change handling of
11364         copy_relocs_.
11365         * Makefile.am (CCFILES): Add copy-relocs.cc.
11366         (HFILES): Add copy-relocs.h.
11367
11368         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11369
11370         * testsuite/script_test_4.sh: Permit leading zeroes.
11371
11372 2008-04-15  Ian Lance Taylor  <iant@google.com>
11373
11374         * script-sections.cc (Script_sections::create_segments): Use
11375         header_size_adjustment even when there is enough room for the
11376         headers.
11377         * testsuite/script_test_4.sh: New file.
11378         * testsuite/script_test_4.t: New file.
11379         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11380         (check_DATA): Add script_test_4.stdout.
11381         (MOSTLYCLEANFILES): Likewise.
11382         (script_test_4): New target.
11383         (script_test_4.stdout): New target.
11384         * testsuite/Makefile.in: Rebuild.
11385
11386         * sparc.cc: Add definitions for Output_data_plt_sparc class
11387         constants.
11388
11389 2008-04-14  David S. Miller  <davem@davemloft.net>
11390
11391         * sparc.cc: New file.
11392         * Makefile.am (TARGETSOURCES): Add sparc.cc
11393         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11394         * configure.tgt: Document targ_extra_size and
11395         targ_extra_big_endian.  Add entries for sparc-* and
11396         sparc64-*.
11397         * configure.ac: Handle targ_extra_size and
11398         targ_extra_big_endian.
11399         * Makefile.in: Rebuild.
11400         * configure: Likewise.
11401         * po/POTFILES.in: Likewise.
11402         * po/gold.pot: Likewise.
11403
11404 2008-04-14  Ian Lance Taylor  <iant@google.com>
11405
11406         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11407         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11408         in the name/type/flags to section mapping.  Don't call
11409         allocate_output_section.
11410         (Layout::choose_output_section): Change parameter from adjust_name
11411         to is_input_section.  Don't permit input sections after sections
11412         are attached to segments.  Don't call allocate_output_section.
11413         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11414         not write_enable_output_section.
11415         (Layout::make_output_section): Don't push to
11416         unattached_section_list_ nor call attach_to_segment.  Call
11417         attach_section_to_segment if sections are attached.
11418         (Layout::attach_sections_to_segments): New function.
11419         (Layout::attach_section_to_segment): New function.
11420         (Layout::attach_allocated_section_to_segment): Rename from
11421         attach_to_segment.  Remove flags parameter.
11422         (Layout::allocate_output_section): Remove function.
11423         (Layout::write_enable_output_section): Remove function.
11424         * layout.h (class Layout): Update for above changes.  Add new
11425         field sections_are_attached_.
11426         * output.h (Output_section::update_flags_for_input_section): New
11427         function.
11428         * output.cc (Output_section::add_input_section): Call
11429         update_flags_for_input_section.
11430         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11431
11432 2008-04-11  Cary Coutant  <ccoutant@google.com>
11433
11434         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11435         thought unnecessary.
11436         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11437
11438 2008-04-11  Ian Lance Taylor  <iant@google.com>
11439
11440         * output.h (class Output_section_data): Remove inline definition
11441         of set_addralign.
11442         * output.cc (Output_section_data::set_addralign): New function.
11443
11444 2008-04-11  Cary Coutant  <ccoutant@google.com>
11445
11446         Add support for TLS descriptors for i386 and x86_64.
11447         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11448         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11449         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11450         GOT_TYPE_TLS_DESC.
11451         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11452         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11453         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11454         relocations.
11455         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11456         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11457         Fix problem with initial-exec relocations.
11458         (Target_i386::Relocate::relocate_tls): Likewise.
11459         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11460         relaxation.
11461         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11462         support for section-plus-offset dynamic table entries.
11463         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11464         (Output_data_dynamic::Dynamic_entry): Add support for
11465         section-plus-offset dynamic table entries.
11466         (Output_data_dynamic::Classification): Likewise.
11467         (Output_data_dynamic::classification_): Renamed offset_.
11468         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11469         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11470         (Target_x86_64::make_plt_section): New function.
11471         (Target_x86_64::reserve_tlsdesc_entries): New function.
11472         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11473         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11474         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11475         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11476         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11477         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11478         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11479         add extra PLT entry for TLS descriptors.
11480         (Output_data_plt_x86_64::got_): New field.
11481         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11482         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11483         fields.
11484         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11485         descriptors.
11486         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11487         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11488         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11489         R_386_TLS_DESC_CALL relocations.
11490         (Target_x86_64::Scan::global): Likewise.
11491         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11492         for TLS descriptors.
11493         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11494         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11495         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11496         GD-to-IE relaxation.
11497         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11498         and TLS_DESCRIPTORS.
11499         * Makefile.in: Rebuild.
11500         * configure: Rebuild.
11501         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11502         (tls_test_shared2.so): New target.
11503         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11504         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11505         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11506         (tls_shared_gd_to_ie_test_LDADD): New variable.
11507         (tls_shared_gnu2_gd_to_ie_test): New target.
11508         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11509         New targets.
11510         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11511         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11512         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11513         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11514         (tls_shared_gnu2_test): New target.
11515         (tls_test_gnu2_shared.so): New target.
11516         (tls_shared_gnu2_test_SOURCES): New variable.
11517         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11518         (tls_shared_gnu2_test_LDFLAGS): New variable.
11519         (tls_shared_gnu2_test_LDADD): New variable.
11520         * testsuite/Makefile.in: Rebuild.
11521         * testsuite/Makefile.
11522
11523 2008-04-11  Ian Lance Taylor  <iant@google.com>
11524
11525         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11526         justsyms.t.
11527         * testsuite/Makefile.in: Rebuild.
11528
11529         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11530         long.
11531         * testsuite/script_test_2.cc (main): Adjust test.
11532
11533 2008-04-11  David S. Miller  <davem@davemloft.net>
11534             Ian Lance Taylor  <iant@google.com>
11535
11536         * options.h (General_options): Add entries for '-Y' and
11537         '-relax'.
11538         * options.cc (General_options:finalize): If -Y was used, add those
11539         entries to the library path instead of the default "/lib" and
11540         "/usr/lib".
11541
11542 2008-04-11  David S. Miller  <davem@davemloft.net>
11543
11544         * testsuite/justsyms.t: Start at 0x100.
11545         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11546         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11547         long.
11548         * testsuite/script_test_2.cc: Adjust string and section length
11549         checks.
11550
11551 2008-04-09  Ian Lance Taylor  <iant@google.com>
11552
11553         PR gold/5996
11554         * script-sections.cc (Sections_element::allocate_to_segment): Add
11555         orphan parameter.
11556         (Output_section_definition::allocate_to_segment): Likewise.
11557         (Orphan_output_section::allocate_to_segment): Likewise.
11558         (Script_sections::attach_sections_using_phdrs_clause): Don't
11559         propagate non-PT_LOAD segments to orphan sections.
11560         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11561         readelf rather than objdump.
11562         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11563         .interp section and PT_INTERP segment are the same size.
11564         * testsuite/Makefile.in: Rebuild.
11565
11566         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11567         aliases for symbols defined in the same object.
11568         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11569         (weak_alias_test_SOURCES): New variable.
11570         (weak_alias_test_DEPENDENCIES): New variable.
11571         (weak_alias_test_LDFLAGS): New variable.
11572         (weak_alias_test_LDADD): New variable.
11573         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11574         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11575         (weak_alias_test_3.o): New target.
11576         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11577         * testsuite/weak_alias_test_main.cc: New file.
11578         * testsuite/weak_alias_test_1.cc: New file.
11579         * testsuite/weak_alias_test_2.cc: New file.
11580         * testsuite/weak_alias_test_3.cc: New file.
11581
11582 2008-04-08  Ian Lance Taylor  <iant@google.com>
11583
11584         * options.h (class General_options): Add --noinhibit-exec option.
11585         * main.cc (main): Check --noinhibit-exec.
11586
11587         * options.h (class General_options): Define --wrap as a special
11588         option.  Add wrap_symbols_ field.
11589         (General_options::any_wrap_symbols): New function.
11590         (General_options::is_wrap_symbol): New function.
11591         * options.cc (General_options::parse_wrap): New function.
11592         (General_options::General_options): Initialize wrap_symbols_.
11593         * symtab.cc (Symbol_table::wrap_symbol): New function.
11594         (Symbol_table::add_from_object): Handle --wrap.
11595         * symtab.h (class Symbol_table): Declare wrap_symbol.
11596         * target.h (Target::wrap_char): New function.
11597         (Target::Target_info): Add wrap_char field.
11598         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11599         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11600         * testsuite/testfile.cc (Target_test::test_target_info):
11601         Likewise.
11602
11603         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11604         there is one.
11605
11606         * layout.h (class Layout): Add added_eh_frame_data_ field.
11607         * layout.cc (Layout::Layout): Initialize new field.
11608         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11609         output section until we find a section we merged successfully.
11610         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11611         that the size be non-zero.
11612
11613         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11614         qualifier.
11615
11616 2008-04-08  Craig Silverstein  <csilvers@google.com>
11617
11618         * configure.ac: Export new conditional variable HAVE_ZLIB.
11619         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11620         on HAVE_ZLIB.
11621         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11622         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11623
11624 2008-04-07  Ian Lance Taylor  <iant@google.com>
11625
11626         * version.cc (version_string): Set to "1.5".
11627
11628         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11629         Add issued_non_pic_error_ field.  Declare check_non_pic.
11630         (Target_x86_64::Scan::check_non_pic): New function.
11631         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11632         (Target_x86_64::Scan::global): Likewise.
11633
11634         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11635         addend parameter.  Change caller.  Handle merge sections.
11636         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11637         Address to Addend.  Don't add in the result of
11638         local_section_offset, pass down the addend and use the returned
11639         value.
11640         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11641         Update declarations of local_section_offset and symbol_value.
11642         * testsuite/two_file_test_1.cc (t18): New function.
11643         * testsuite/two_file_test_2.cc (f18): New function.
11644         * testsuite/two_file_test_main.cc (main): Call t18.
11645         * testsuite/two_file_test.h (t18, f18): Declare.
11646
11647         * configure.ac: Don't test for objdump, c++filt, or readelf.
11648         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11649         conditionals.
11650         (TEST_READELF): New variable.
11651         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11652         (check_PROGRAMS): Add two_file_strip_test.
11653         (two_file_strip_test): New target.
11654         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11655         (two_file_same_shared_strip_test_SOURCES): New variable.
11656         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11657         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11658         (two_file_same_shared_strip_test_LDADD): New variable.
11659         (two_file_shared_strip.so): New target.
11660         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11661         (ver_test_5.syms, ver_test_7.syms): Likewise.
11662         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11663         (strip_test_3.stdout): Use TEST_OBJDUMP.
11664         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11665
11666 2008-04-04  Cary Coutant  <ccoutant@google.com>
11667
11668         * symtab.h (Symbol::is_weak_undefined): New function.
11669         (Symbol::is_strong_undefined): New function.
11670         (Symbol::is_absolute): New function.
11671         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11672         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11673         absolute symbols.
11674         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11675         (weak_undef_test): New target.
11676         * testsuite/Makefile.in: Rebuild.
11677         * testsuite/weak_undef_file1.cc: New file.
11678         * testsuite/weak_undef_file2.cc: New file.
11679         * testsuite/weak_undef_test.cc: New file.
11680
11681 2008-04-03  Craig Silverstein  <csilvers@google.com>
11682
11683         * compressed_output.h (class Output_compressed_section): Use
11684         unsigned buffer.
11685         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11686         add zlib header.
11687         (zlib_compressed_suffix): Removed.
11688         (Output_compressed_section::set_final_data_size): Use unsigned
11689         buffers.
11690         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11691         Fix linker invocation.
11692         (flagstest_o_specialfile_and_compress_debug_sections):
11693         Likewise.
11694         * testsuite/Makefile.in: Regenerated.
11695
11696 2008-04-02  David S. Miller  <davem@davemloft.net>
11697
11698         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11699         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11700
11701 2008-04-02  Craig Silverstein  <csilvers@google.com>
11702
11703         * TODO: New file.
11704
11705 2008-04-02  Ian Lance Taylor  <iant@google.com>
11706
11707         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11708         parameters.  Update for new key type to views_.  Change all
11709         callers.
11710         (File_read::read): Adjust for byteshift in returned view.
11711         (File_read::add_view): New function, broken out of
11712         find_and_make_view.
11713         (File_read::make_view): New function, broken out of
11714         find_and_make_view.
11715         (File_read::find_or_make_view): Add offset and aligned
11716         parameters.  Rewrite accordingly.  Change all callers.
11717         (File_read::get_view): Add offset and aligned parameters.  Adjust
11718         for byteshift in return value.
11719         (File_read::get_lasting_view): Likewise.
11720         * fileread.h (class File_read): Update declarations.
11721         (class File_read::View): Add byteshift_ field.  Add byteshift to
11722         constructor.  Add byteshift method.
11723         * archive.h (Archive::clear_uncached_views): New function.
11724         (Archive::get_view): Add aligned parameter.  Change all callers.
11725         * object.h (Object::get_view): Add aligned parameter.  Change all
11726         callers.
11727         (Object::get_lasting_view): Likewise.
11728
11729         * fileread.cc (File_read::release): Don't call clear_views if
11730         there are multiple objects.
11731         * fileread.h (File_read::clear_uncached_views): New function.
11732         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11733         on the archive.
11734
11735 2008-03-31  Cary Coutant  <ccoutant@google.com>
11736
11737         Add thin archive support.
11738         * archive.cc (Archive::armagt): New const.
11739         (Archive::setup): Remove task parameter and calls to unlock.
11740         (Archive::unlock_nested_archives): New function.
11741         (Archive::read_header): Add nested_off parameter. Change
11742         all callers.
11743         (Archive::interpret_header): Likewise.
11744         (Archive::include_all_members): Change to handle thin
11745         archives.
11746         (Archive::include_member): Likewise.
11747         * archive.h (Archive::Archive): Add new parameters and
11748         initializers.
11749         (Archive::armagt): New const.
11750         (Archive::setup): Remove task parameter.
11751         (Archive::unlock_nested_archives): New function.
11752         (Archive::read_header): Add nested_off parameter.
11753         (Archive::interpret_header): Likewise.
11754         (Archive::Nested_archive_table): New typedef.
11755         (Archive::is_thin_archive_): New field.
11756         (Archive::nested_archives_): New field.
11757         (Archive::options_): New field.
11758         (Archive::dirpath_): New field.
11759         (Archive::task_): New field.
11760         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11761         for thin archives.  Pass additional parameters to
11762         Archive::Archive.  Unlock the archive file after calling
11763         Archive::setup.
11764
11765 2008-03-29  Ian Lance Taylor  <iant@google.com>
11766
11767         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11768         version symbol to be local.
11769         * testsuite/ver_test_4.sh: New file.
11770         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11771         (check_DATA): Add ver_test_4.syms.
11772         (ver_test_4.syms): New target.
11773         * testsuite/Makefile.in: Rebuild.
11774
11775         * output.cc
11776         (Output_section::Input_section_sort_entry::has_priority): New
11777         function.
11778         (Output_section::Input_section_sort_entry::match_file_name): New
11779         function.
11780         (Output_section::Input_section_sort_entry::match_section_name):
11781         Remove.
11782         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11783         Remove.
11784         (Output_section::Input_section_sort_entry::match_section_file):
11785         Remove.
11786         (Output_section::Input_section_sort_compare::operator()): Rewrite
11787         using new Input_section_sort_entry functions.  Sort crtbegin and
11788         crtend first.  Sort sections with no priority before sections with
11789         a priority.
11790         * testsuite/initpri1.c (d3): Check j != 4.
11791         (cd5): New constructor/destructor function.
11792         (main): Check j != 2.
11793
11794         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11795         new symbol when resolving, don't call set_is_default.
11796         * testsuite/ver_test_7.cc: New file.
11797         * testsuite/ver_test_7.sh: New file.
11798         * testsuite/Makefile.am (ver_test_7.so): New target.
11799         (ver_test_7.o): New target.
11800         (check_SCRIPTS): Add ver_test_7.sh.
11801         (check_DATA): Add ver_test_7.syms.
11802         (ver_test_7.syms): New target.
11803
11804 2008-03-28  Ian Lance Taylor  <iant@google.com>
11805
11806         * layout.cc (Layout::layout): If we see an input section with a
11807         name that needs sorting, set the must_sort flag for the output
11808         section.
11809         (Layout::make_output_section): If the name of the output section
11810         indicates that it might require sorting, set the may_sort flag.
11811         * output.h (Output_section::may_sort_attached_input_sections): New
11812         function.
11813         (Output_section::set_may_sort_attached_input_sections): New
11814         function.
11815         (Output_section::must_sort_attached_input_sections): New
11816         function.
11817         (Output_section::set_must_sort_attached_input_sections): New
11818         function.
11819         (class Output_section): Declare Input_section_sort_entry.  Define
11820         Input_section_sort_compare.  Declare
11821         sort_attached_input_sections.  Add new fields:
11822         may_sort_attached_input_sections_,
11823         must_sort_attached_input_sections_,
11824         attached_input_sections_are_sorted_.
11825         * output.cc (Output_section::Output_section): Initialize new
11826         fields.
11827         (Output_section::add_input_section): Add an entry to
11828         input_sections_ if may_sort or must_sort are true.
11829         (Output_section::set_final_data_size): Call
11830         sort_attached_input_sections if necessary.
11831         (Output_section::Input_section_sort_entry): Define new class.
11832         (Output_section::Input_section_sort_compare::operator()): New
11833         function.
11834         (Output_section::sort_attached_input_sections): New function.
11835         * configure.ac: Check whether the compiler supports constructor
11836         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11837         * testsuite/initpri1.c: New file.
11838         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11839         CONSTRUCTOR_PRIORITY.
11840         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11841         (initpri1_LDFLAGS): New variable.
11842         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11843
11844 2008-03-27  Ian Lance Taylor  <iant@google.com>
11845
11846         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11847         * testsuite/common_test_1.c: New file.
11848         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11849         (common_test_1_SOURCES): New variable.
11850         (common_test_1_DEPENDENCIES): New variable.
11851         (common_test_1_LDFLAGS): New variable.
11852
11853         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11854         and commons_ correctly when NAME/VERSION does not override
11855         NAME/NULL.
11856         * testsuite/ver_test_6.c: New file.
11857         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11858         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11859         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11860
11861 2008-03-26  Ian Lance Taylor  <iant@google.com>
11862
11863         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11864         of an undefined symbol from a version script.
11865         * testsuite/Makefile.am (ver_test_5.so): New target.
11866         (ver_test_5.o): New target.
11867         (check_SCRIPTS): Add ver_test_5.sh.
11868         (check_DATA): Add ver_test_5.syms.
11869         (ver_test_5.syms): New target.
11870         * testsuite/ver_test_5.cc: New file.
11871         * testsuite/ver_test_5.script: New file.
11872         * testsuite/ver_test_5.sh: New file.
11873         * Makefile.in, testsuite/Makefile.in: Rebuild.
11874
11875         PR gold/5986
11876         Fix problems building gold with gcc 4.3.0.
11877         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11878         (gold_error_at_location, gold_warning_at_location): Use it.
11879         * configure.ac: Check whether we can compile and use a template
11880         function with a printf attribute.
11881         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11882         when jumping over bytes.
11883         * object.cc: Instantiate Object::read_section_data.
11884         * debug.h: Include <cstring>
11885         * dwarf_reader.cc: Include <algorithm>
11886         * main.cc: Include <cstring>.
11887         * options.cc: Include <cstring>.
11888         * output.cc: Include <cstring>.
11889         * script.cc: Include <cstring>.
11890         * script.h: Include <string>.
11891         * symtab.cc: Include <cstring> and <algorithm>.
11892         * target-select.cc: Include <cstring>.
11893         * version.cc: Include <string>.
11894         * testsuite/testmain.cc: Include <cstdlib>.
11895         * configure, config.in: Rebuild.
11896
11897 2008-03-25  Ian Lance Taylor  <iant@google.com>
11898
11899         * options.cc: Include "../bfd/bfdver.h".
11900         (options::help): Print bug reporting address.
11901
11902         * version.cc (print_version): Adjust output for current value of
11903         BFD_VERSION_STRING.
11904
11905         * NEWS: New file.
11906
11907         * options.cc (options::help): Print list of supported targets.
11908         * target-select.h: Include <vector>.
11909         (class Target_selector): Make machine_, size_, and is_big_endian_
11910         fields const.  Add bfd_name_ and instantiated_target_ fields.
11911         (Target_selector::Target_selector): Add bfd_name parameter.
11912         (Target_selector::recognize): Make non-virtual, call
11913         do_recognize.
11914         (Target_selector::recognize_by_name): Make non-virtual, call
11915         do_recognize_by_name.
11916         (Target_selector::supported_names): New function.
11917         (Target_selector::bfd_name): New function.
11918         (Target_selector::do_instantiate_target): New pure virtual
11919         function.
11920         (Target_selector::do_recognize): New virtual function.
11921         (Target_selector::do_recognize_by_name): New virtual function.
11922         (Target_selector::instantiate_target): New private function.
11923         (supported_target_names): Declare.
11924         * target-select.cc (Target_selector::Target_selector): Update for
11925         new parameter and fields.
11926         (select_target_by_name): Check that the name matches before
11927         calling recognize_by_name.
11928         (supported_target_names): New function.
11929         * i386.cc (class Target_selector_i386): Update Target_selector
11930         constructor call.  Remove recognize and recognize_by_name.  Add
11931         do_instantiate_target.
11932         * x86_64.cc (class Target_selector_x86_64): Likewise.
11933         * testsuite/testfile.cc (class Target_selector_test): Update for
11934         changes to Target_selector.
11935
11936         * README: Rewrite, with some notes on unsupported features.
11937
11938 2008-03-24  Cary Coutant  <ccoutant@google.com>
11939
11940         * i386.cc (Target_i386::Got_type): New enum declaration.
11941         (Target_i386::Scan::local): Updated callers of Output_data_got
11942         member functions.
11943         (Target_i386::Scan::global): Likewise.
11944         (Target_i386::Relocate::relocate): Likewise.
11945         (Target_i386::Relocate::relocate_tls): Likewise.
11946         * object.h (Got_offset_list): New class.
11947         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11948         (Sized_relobj::local_got_offset): Likewise.
11949         (Sized_relobj::set_local_got_offset): Likewise.
11950         (Sized_relobj::local_has_tls_got_offset): Removed.
11951         (Sized_relobj::local_tls_got_offset): Removed.
11952         (Sized_relobj::set_local_tls_got_offset): Removed.
11953         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11954         * output.cc (Output_data_got::add_global): Added got_type parameter.
11955         (Output_data_got::add_global_with_rel): Likewise.
11956         (Output_data_got::add_global_with_rela): Likewise.
11957         (Output_data_got::add_global_pair_with_rel): New function.
11958         (Output_data_got::add_global_pair_with_rela): New function.
11959         (Output_data_got::add_local): Added got_type parameter.
11960         (Output_data_got::add_local_with_rel): Likewise.
11961         (Output_data_got::add_local_with_rela): Likewise.
11962         (Output_data_got::add_local_pair_with_rel): New function.
11963         (Output_data_got::add_local_pair_with_rela): New function.
11964         (Output_data_got::add_global_tls): Removed.
11965         (Output_data_got::add_global_tls_with_rel): Removed.
11966         (Output_data_got::add_global_tls_with_rela): Removed.
11967         (Output_data_got::add_local_tls): Removed.
11968         (Output_data_got::add_local_tls_with_rel): Removed.
11969         (Output_data_got::add_local_tls_with_rela): Removed.
11970         * output.h (Output_data_got::add_global): Added got_type parameter.
11971         (Output_data_got::add_global_with_rel): Likewise.
11972         (Output_data_got::add_global_with_rela): Likewise.
11973         (Output_data_got::add_global_pair_with_rel): New function.
11974         (Output_data_got::add_global_pair_with_rela): New function.
11975         (Output_data_got::add_local): Added got_type parameter.
11976         (Output_data_got::add_local_with_rel): Likewise.
11977         (Output_data_got::add_local_with_rela): Likewise.
11978         (Output_data_got::add_local_pair_with_rel): New function.
11979         (Output_data_got::add_local_pair_with_rela): New function.
11980         (Output_data_got::add_global_tls): Removed.
11981         (Output_data_got::add_global_tls_with_rel): Removed.
11982         (Output_data_got::add_global_tls_with_rela): Removed.
11983         (Output_data_got::add_local_tls): Removed.
11984         (Output_data_got::add_local_tls_with_rel): Removed.
11985         (Output_data_got::add_local_tls_with_rela): Removed.
11986         * resolve.cc (Symbol::override_base_with_special): Removed
11987         reference to has_got_offset_ field.
11988         * symtab.cc (Symbol::init_fields): Replaced initialization
11989         of got_offset_ with got_offsets_.  Removed initialization
11990         of has_got_offset_
11991         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11992         (Symbol::got_offset): Likewise.
11993         (Symbol::set_got_offset): Likewise.
11994         (Symbol::has_tls_got_offset): Removed.
11995         (Symbol::tls_got_offset): Removed.
11996         (Symbol::set_tls_got_offset): Removed.
11997         (Symbol::got_offset_): Removed.
11998         (Symbol::tls_mod_got_offset_): Removed.
11999         (Symbol::tls_pair_got_offset_): Removed.
12000         (Symbol::got_offsets_): New field.
12001         (Symbol::has_got_offset): Removed.
12002         (Symbol::has_tls_mod_got_offset): Removed.
12003         (Symbol::has_tls_pair_got_offset): Removed.
12004         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12005         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12006         member functions.
12007         (Target_x86_64::Scan::global): Likewise.
12008         (Target_x86_64::Relocate::relocate): Likewise.
12009         (Target_x86_64::Relocate::relocate_tls): Likewise.
12010
12011 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12012
12013         * yyscript.y: Fix spelling error in comment.
12014
12015 2008-03-24  Ian Lance Taylor  <iant@google.com>
12016
12017         * options.h (class General_options): Define build_id option.
12018         * layout.h (class Layout): Declare write_build_id, create_note,
12019         create_build_id.  Add build_id_note_ member.
12020         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12021         "libiberty.h", "md5.h", "sha1.h".
12022         (Layout::Layout): Initialize eh_frame_data_,
12023         eh_frame_hdr_section_, and build_id_note_.
12024         (Layout::finalize): Call create_build_id.
12025         (Layout::create_note): New function, broken out of
12026         Layout::create_gold_note.
12027         (Layout::create_gold_note): Call create_note.
12028         (Layout::create_build_id): New function.
12029         (Layout::write_build_id): New function.
12030         (Close_task_runner::run): Call write_build_id.
12031
12032         * x86_64.cc: Correct license to GPLv3.
12033
12034 2008-03-23  Ian Lance Taylor  <iant@google.com>
12035
12036         * options.cc: Include "demangle.h".
12037         (parse_optional_string): New function.
12038         (parse_long_option): Handle takes_optional_argument.
12039         (parse_short_option): Update dash_z initializer.  Handle
12040         takes_optional_argument.
12041         (General_options::General_options): Initialize do_demangle_.
12042         (General_options::finalize): Set do_demangle_.  Handle demangling
12043         style.
12044         * options.h (parse_optional_string): Declare.
12045         (struct One_option): Add optional_arg field.  Update constructor.
12046         Update call constructor calls.  Add takes_optional_argument
12047         function.
12048         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12049         (DEFINE_optional_string): Define.
12050         (General_options::demangle): Change from DEFINE_bool to
12051         DEFINE_optional_string.
12052         (General_options::no_demangle): New function.
12053         (General_options::do_demangle): New function.
12054         (General_options::set_do_demangle): New function.
12055         (General_options::execstack_status_): Move definition to end of
12056         class definition.
12057         (General_options::static_): Likewise.
12058         (General_options::do_demangle_): New field.
12059         * object.cc (big_endian>::get_symbol_location_info): Call
12060         Options::do_demangle, not Options::demangle.
12061         * symtab.cc (demangle): Likewise.
12062
12063 2008-03-22  Ian Lance Taylor  <iant@google.com>
12064
12065         * gold.h: Include <cstddef> and <sys/types.h>
12066         * options.h: Include <cstring>.
12067
12068 2008-03-21  Ian Lance Taylor  <iant@google.com>
12069
12070         * Added source code to GNU binutils.