gold/ChangeLog

   1 2011-09-29  Cary Coutant  <ccoutant@google.com>
   2
   3         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
   4         Check for NULL.
   5         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
   6         symbols during incremental update.
   7         (Symbol_table::add_from_dynobj): Likewise.
   8
   9 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  10             Ian Lance Taylor  <iant@google.com>
  11
  12         * symtab.cc (Symbol_table::define_special_symbol): Always
  13         canonicalize version string.
  14
  15 2011-09-26  Cary Coutant  <ccoutant@google.com>
  16
  17         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  18         * gold/options.cc (General_options::finalize): ... to here. Disable
  19         some options; make others fatal.
  20
  21 2011-09-26  Cary Coutant  <ccoutant@google.com>
  22
  23         gcc PR lto/47247
  24         * plugin.cc (get_symbols_v2): New function.
  25         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  26         (is_referenced_from_outside): New function.
  27         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  28         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  29         (get_symbols): Pass version parameter.
  30         (get_symbols_v2): New function.
  31         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  32         parameter.
  33         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  34         (onload): Add LDPT_GET_SYMBOLS_V2.
  35         (all_symbols_read_hook): Use get_symbols_v2; check for
  36         LDPR_PREVAILING_DEF_IRONLY_EXP.
  37         * testsuite/plugin_test_3.sh: Update expected results.
  38
  39 2011-09-23  Simon Baldwin  <simonb@google.com>
  40
  41         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  42         configuration options.
  43         * configure: Regenerate.
  44         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  45         * Makefile.in: Regenerate.
  46         * testsuite/Makefile.in: Regenerate.
  47
  48 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  49
  50         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  51
  52 2011-09-19  Cary Coutant  <ccoutant@google.com>
  53
  54         * incremental.cc (can_incremental_update): Fix typo in comment.
  55         * incremental.h (can_incremental_update): Likewise.
  56
  57 2011-09-18  Cary Coutant  <ccoutant@google.com>
  58
  59         * incremental.cc (can_incremental_update): New function.
  60         * incremental.h (can_incremental_update): New function.
  61         * layout.cc (Layout::init_fixed_output_section): Call it.
  62         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  63         * object.cc (Sized_relobj_file::do_layout): Call
  64         can_incremental_update.
  65
  66 2011-09-13  Cary Coutant  <ccoutant@google.com>
  67
  68         * configure.ac: Check for glibc support for gnu_indirect_function
  69         support with static linking, setting automake conditional
  70         IFUNC_STATIC.
  71         * Makefile.in: Regenerate.
  72         * configure: Regenerate.
  73
  74         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  75         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  76         for IFUNC_STATIC.
  77         * testsuite/Makefile.in: Regenerate.
  78
  79 2011-09-13  Cary Coutant  <ccoutant@google.com>
  80
  81         * incremental.cc (Sized_relobj_incr::do_layout): Call
  82         report_comdat_group for kept comdat sections.
  83         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
  84         * testsuite/Makefile.in: Regenerate.
  85         * testsuite/incr_comdat_test_1.cc: New source file.
  86         * testsuite/incr_comdat_test_2_v1.cc: New source file.
  87         * testsuite/incr_comdat_test_2_v2.cc: New source file.
  88         * testsuite/incr_comdat_test_2_v3.cc: New source file.
  89
  90 2011-09-13  Ian Lance Taylor  <iant@google.com>
  91
  92         * object.cc (Sized_relobj_file::do_layout): Remove unused local
  93         variable external_symbols_offset.
  94
  95 2011-09-12  Ian Lance Taylor  <iant@google.com>
  96
  97         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
  98         triggered if object has no symbols.
  99
 100 2011-09-09  David S. Miller  <davem@davemloft.net>
 101
 102         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 103         (Output_fill_debug_line::do_write): Likewise.
 104
 105 2011-08-29  Cary Coutant  <ccoutant@google.com>
 106
 107         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 108         casts to match formatting specs.
 109         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 110
 111 2011-08-26  Cary Coutant  <ccoutant@google.com>
 112
 113         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 114         remaining hole size when allocating.
 115         (Layout::make_output_section): Set fill methods for debug sections.
 116         * layout.h (Free_list::Free_list_node): Move from private to
 117         public.
 118         (Free_list::set_min_hole_size): New function.
 119         (Free_list::begin, Free_list::end): New functions.
 120         (Free_list::min_hole_): New data member.
 121         * output.cc: Include dwarf.h.
 122         (Output_fill_debug_info::do_minimum_hole_size): New function.
 123         (Output_fill_debug_info::do_write): New function.
 124         (Output_fill_debug_line::do_minimum_hole_size): New function.
 125         (Output_fill_debug_line::do_write): New function.
 126         (Output_section::Output_section): Initialize new data member.
 127         (Output_section::set_final_data_size): Ensure patch space is larger
 128         than minimum hole size.
 129         (Output_section::do_write): Fill holes in debug sections.
 130         * output.h (Output_fill): New class.
 131         (Output_fill_debug_info): New class.
 132         (Output_fill_debug_line): New class.
 133         (Output_section::set_free_space_fill): New function.
 134         (Output_section::free_space_fill_): New data member.
 135         * testsuite/Makefile.am (incremental_test_3): Add
 136         --incremental-patch option.
 137         (incremental_test_4): Likewise.
 138         (incremental_test_5): Likewise.
 139         (incremental_test_6): Likewise.
 140         (incremental_copy_test): Likewise.
 141         (incremental_common_test_1): Likewise.
 142         * testsuite/Makefile.in: Regenerate.
 143
 144 2011-08-26  Nick Clifton  <nickc@redhat.com>
 145
 146         * po/es.po: Updated Spanish translation.
 147
 148 2011-08-01  Cary Coutant  <ccoutant@google.com>
 149
 150         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 151         * gold/testsuite/Makefile.in: Regenerate.
 152         * gold/testsuite/justsyms_exec.c: New source file.
 153         * gold/testsuite/justsyms_lib.c: New source file.
 154
 155 2011-08-01  Cary Coutant  <ccoutant@google.com>
 156
 157         * layout.cc (Layout::set_segment_offsets): Don't realign text
 158         segment if -Ttext was specified.
 159         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 160         file type.
 161         * object.h (Sized_relobj_file::e_type): New function.
 162         (Sized_relobj_file::e_type_): New data member.
 163         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 164         base address for ET_EXEC files.
 165         * target.cc (Target::do_make_elf_object_implementation): Allow
 166         ET_EXEC files with --just-symbols option.
 167
 168 2011-07-28  Cary Coutant  <ccoutant@google.com>
 169
 170         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 171         Add thread_number parameter.
 172         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 173         * workqueue-threads.cc
 174         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 175         current thread if its thread number is greater than desired thread
 176         count.
 177         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 178         Add thread_number parameter.
 179         (Workqueue::should_cancel_thread): Likewise.
 180         (Workqueue::find_runnable_or_wait): Pass thread_number to
 181         should_cancel_thread.
 182         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 183         parameter.
 184
 185 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 186
 187         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 188         only after checking if it cannot be forced local.
 189         * symtab.h (is_externally_visible): Check if the symbol is not forced
 190         local.
 191
 192 2011-07-15  Ian Lance Taylor  <iant@google.com>
 193
 194         * options.h (class General_options): Add --print-output-format.
 195         Move -EL next to -EB, for  better --help output.
 196         * target-select.cc: Include <cstdio>, "options.h", and
 197         "parameters.h".
 198         (Target_selector::do_target_bfd_name): New function.
 199         (print_output_format): New function.
 200         * target-select.h (class Target_selector): Update declarations.
 201         (Target_selector::target_bfd_name): New function.
 202         (print_output_format): Declare.
 203         * main.cc: Include "target-select.h".
 204         (main): Handle --print-output-format.
 205         * gold.cc: Include "target-select.h".
 206         (queue_initial_tasks): Handle --print-output-format when there are
 207         no input files.
 208         * parameters.cc (parameters_force_valid_target): Give a better
 209         error message if -EB/-EL does not match target.
 210         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 211         function.
 212
 213 2011-07-15  Ian Lance Taylor  <iant@google.com>
 214
 215         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 216         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 217         (Output_data_plt_i386::do_write): Write address of .dynamic
 218         section to first entry in .got.plt section.
 219         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 220         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 221         Initialize layout_.
 222         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 223         section to first entry in .got.plt section.
 224         * layout.h (Layout::dynamic_section): New function.
 225
 226 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 227
 228         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 229         to claim_file call.
 230         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 231         input_section_position_, and input_section_glob_.
 232         (read_layout_from_file): Call function section_ordering_specified.
 233         * layout.h (is_section_ordering_specified): New function.
 234         (section_ordering_specified): New function.
 235         (section_ordering_specified_): New boolean member.
 236         * main.cc(main): Call load_plugins after layout object is defined.
 237         * output.cc (Output_section::add_input_section): Use
 238         function section_ordering_specified to check if section ordering is
 239         needed.
 240         * output.cc (Output_section::add_relaxed_input_section): Use
 241         function section_ordering_specified to check if section ordering is
 242         needed.
 243         (Output_section::update_section_layout): New function.
 244         (Output_section::sort_attached_input_sections): Check if input section
 245         must be reordered.
 246         * output.h (Output_section::update_section_layout): New function.
 247         * plugin.cc (get_section_count): New function.
 248         (get_section_type): New function.
 249         (get_section_name): New function.
 250         (get_section_contents): New function.
 251         (update_section_order): New function.
 252         (allow_section_ordering): New function.
 253         (Plugin::load): Add the new interfaces to the transfer vector.
 254         (Plugin_manager::load_plugins): New parameter.
 255         (Plugin_manager::all_symbols_read): New parameter.
 256         (Plugin_manager::claim_file): New parameter. Save the elf object for
 257         unclaimed objects.
 258         (Plugin_manager::get_elf_object): New function.
 259         (Plugin_manager::get_view): Change to directly use the bool to check
 260         if get_view is called from claim_file_hook.
 261         * plugin.h (input_objects): New function
 262         (Plugin__manager::load_plugins): New parameter.
 263         (Plugin_manager::claim_file): New parameter.
 264         (Plugin_manager::get_elf_object): New function.
 265         (Plugin_manager::in_claim_file_handler): New function.
 266         (Plugin_manager::in_claim_file_handler_): New member.
 267         (layout): New function.
 268         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 269         handler with an extra parameter. Make the elf object before calling
 270         claim_file handler.
 271         * testsuite/plugin_test.c (get_section_count): New function pointer.
 272         (get_section_type): New function pointer.
 273         (get_section_name): New function pointer.
 274         (get_section_contents): New function pointer.
 275         (update_section_order): New function pointer.
 276         (allow_section_ordering): New function pointer.
 277         (onload): Check if the new interfaces exist.
 278
 279 2011-07-13  Ian Lance Taylor  <iant@google.com>
 280
 281         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 282         relro section.
 283         * x86_64.cc (Target_x86_64::got_section): Likewise.
 284         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 285         (relro_now_test_SOURCES): New variable.
 286         (relro_now_test_DEPENDENCIES): New variable.
 287         (relro_now_test_LDFLAGS): New variable.
 288         (relro_now_test_LDADD): New variable.
 289         (relro_now_test.so): New target.
 290         * testsuite/Makefile.in: Rebuild.
 291
 292 2011-07-12  Ian Lance Taylor  <iant@google.com>
 293
 294         PR gold/12980
 295         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 296         GLOB_DAT relocation rather than a RELATIVE relocation for a
 297         protected symbol when creating a shared library.
 298         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 299         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 300         * testsuite/protected_main_1.cc (main): Test that protected
 301         function has same address.
 302
 303 2011-07-11  Ian Lance Taylor  <iant@google.com>
 304
 305         PR gold/12979
 306         * options.h (class General_options): Add -Bgroup.
 307         * options.cc (General_options::finalize): If -Bgroup is set,
 308         default to --unresolved-symbols=report-all.
 309         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 310         * target-reloc.h (issue_undefined_symbol_error): Handle
 311         --unresolved-symbols=report-all.
 312
 313 2011-07-08  Ian Lance Taylor  <iant@google.com>
 314
 315         PR gold/11985
 316         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 317         if linker script discards key sections.
 318         (Layout::create_dynamic_symtab): Likewise.
 319         (Layout::assign_local_dynsym_offsets): Likewise.
 320         (Layout::sized_create_version_sections): Likewise.
 321         (Layout::create_interp): Likewise.
 322         (Layout::finish_dynamic_section): Likewise.
 323         (Layout::set_dynamic_symbol_size): Likewise.
 324
 325 2011-07-08  Ian Lance Taylor  <iant@google.com>
 326
 327         PR gold/12386
 328         * options.h (class General_options): Add --unresolved-symbols.
 329         * target-reloc.h (issue_undefined_symbol_error): Check
 330         --unresolved-symbols.  Add comments.
 331
 332 2011-07-08  Ian Lance Taylor  <iant@google.com>
 333
 334         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 335         expression more complex.
 336
 337 2011-07-08  Ian Lance Taylor  <iant@google.com>
 338
 339         PR gold/11317
 340         * target-reloc.h (issue_undefined_symbol_error): New inline
 341         function, broken out of relocate_section.
 342         (relocate_section): Call issue_undefined_symbol_error.
 343         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 344         there is no TLS segment if we are about to issue an undefined
 345         symbol error.
 346         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 347
 348 2011-07-08  Ian Lance Taylor  <iant@google.com>
 349
 350         PR gold/12279
 351         * resolve.cc (Symbol_table::should_override): Add fromtype
 352         parameter.  Change all callers.  Give error when linking together
 353         TLS and non-TLS symbol.
 354         (Symbol_table::should_override_with_special): Add fromtype
 355         parameter.  Change all callers.
 356         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 357         there is no TLS segment if we have reported some errors.
 358         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 359
 360 2011-07-08  Ian Lance Taylor  <iant@google.com>
 361
 362         PR gold/12372
 363         * target.h (Target::plt_address_for_global): New function.
 364         (Target::plt_address_for_local): New function.
 365         (Target::plt_section_for_global): Remove.
 366         (Target::plt_section_for_local): Remove.
 367         (Target::do_plt_address_for_global): New virtual function.
 368         (Target::do_plt_address_for_local): New virtual function.
 369         (Target::do_plt_section_for_global): Remove.
 370         (Target::do_plt_section_for_local): Remove.
 371         (Target::register_global_plt_entry): Add Symbol_table and Layout
 372         parameters.
 373         * output.cc (Output_data_got::Got_entry::write): Use
 374         plt_address_for_global and plt_address_for_local.
 375         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 376         address of output section.
 377         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 378         got_irelative_, and irelative_count_ fields.  Update
 379         declarations.
 380         (Output_data_plt_i386::has_irelative_section): New function.
 381         (Output_data_plt_i386::entry_count): Add irelative_count_.
 382         (Output_data_plt_i386::set_final_data_size): Likewise.
 383         (class Target_i386): Add got_irelative_ and rel_irelative_
 384         fields.  Update declarations.
 385         (Target_i386::Target_i386): Initialize new fields.
 386         (Target_i386::do_plt_address_for_global): New function replacing
 387         do_plt_section_for_global.
 388         (Target_i386::do_plt_address_for_local): New function replacing
 389         do_plt_section_for_local.
 390         (Target_i386::got_section): Create got_irelative_.
 391         (Target_i386::rel_irelative_section): New function.
 392         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 393         fields.  Don't define __rel_iplt_{start,end}.
 394         (Output_data_plt_i386::add_entry): Add symtab and layout
 395         parameters.  Change all callers.  Use different PLT and GOT for
 396         IFUNC symbols.
 397         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 398         layout parameters.  Change all callers.  Use different PLT and
 399         GOT.
 400         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 401         (Output_data_plt_i386::rel_irelative): New function.
 402         (Output_data_plt_i386::address_for_global): New function.
 403         (Output_data_plt_i386::address_for_local): New function.
 404         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 405         IRELATIVE GOT when changing IFUNC GOT entries.
 406         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 407         reloc.
 408         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 409         if we didn't create an IRELATIVE GOT.
 410         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 411         plt_address_for_local.
 412         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 413         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 414         got_irelative_, and irelative_count_ fields.  Update
 415         declarations.
 416         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 417         Initialize new fields.  Remove symtab parameter.  Change all
 418         callers.
 419         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 420         irelative_count_.
 421         (Output_data_plt_x86_64::has_irelative_section): New function.
 422         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 423         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 424         fields.  Update declarations.
 425         (Target_x86_64::Target_x86_64): Initialize new fields.
 426         (Target_x86_64::do_plt_address_for_global): New function replacing
 427         do_plt_section_for_global.
 428         (Target_x86_64::do_plt_address_for_local): New function replacing
 429         do_plt_section_for_local.
 430         (Target_x86_64::got_section): Create got_irelative_.
 431         (Target_x86_64::rela_irelative_section): New function.
 432         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 433         all callers.  Don't create __rel_iplt_{start,end}.
 434         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 435         parameters.  Change all callers.  Use different PLT and GOT for
 436         IFUNC symbols.
 437         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 438         layout parameters.  Change all callers.  Use different PLT and
 439         GOT.
 440         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 441         parameters.  Change all callers.  Use different PLT and GOT for
 442         IFUNC symbols.
 443         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 444         (Output_data_plt_x86_64::rela_irelative): New function.
 445         (Output_data_plt_x86_64::address_for_global): New function.
 446         (Output_data_plt_x86_64::address_for_local): New function.
 447         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 448         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 449         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 450         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 451         parameters.
 452         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 453         reloc.
 454         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 455         symbols if we didn't create an IRELATIVE GOT.
 456         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 457         plt_address_for_local.
 458         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 459         * testsuite/ifuncvar1.c: New test file.
 460         * testsuite/ifuncvar2.c: New test file.
 461         * testsuite/ifuncvar3.c: New test file.
 462         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 463         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 464         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 465         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 466         * testsuite/Makefile.in: Rebuild.
 467
 468 2011-07-07  Cary Coutant  <ccoutant@google.com>
 469
 470         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 471         (two_file_test_1_ndebug.o): Likewise.
 472         (two_file_test_1b_ndebug.o): Likewise.
 473         (two_file_test_2_ndebug.o): Likewise.
 474         (two_file_test_main_ndebug.o): Likewise.
 475         (incremental_test_2): Link with no-debug versions.
 476
 477 2011-07-06  Cary Coutant  <ccoutant@google.com>
 478
 479         * gold/incremental.cc
 480         (Output_section_incremental_inputs::write_info_blocks): Check for
 481         hidden and internal symbols.
 482
 483 2011-07-06  Cary Coutant  <ccoutant@google.com>
 484
 485         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 486         Check disposition for startup file.
 487         (Incremental_inputs::report_command_line): Ignore
 488         --incremental-startup-unchanged option.
 489         * options.cc (General_options::parse_incremental_startup_unchanged):
 490         New function.
 491         (General_options::General_options): Initialize new data member.
 492         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 493         (General_options): Add --incremental-startup-unchanged option.
 494         (General_options::incremental_startup_disposition): New function.
 495         (General_options::incremental_startup_disposition_): New data member.
 496
 497 2011-07-06  Cary Coutant  <ccoutant@google.com>
 498
 499         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 500         input file index to Script_info ctor.
 501         (Sized_incremental_binary::do_file_has_changed): Find the
 502         command-line argument for files named in scripts.
 503         * incremental.h (Script_info::Script_info): New ctor
 504         with input file index.
 505         (Script_info::input_file_index): New function.
 506         (Script_info::input_file_index_): New data member.
 507         (Incremental_binary::get_library): Add const.
 508         (Incremental_binary::get_script_info): Add const.
 509         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 510         * testsuite/Makefile.am (incremental_test_5): New test case.
 511         (incremental_test_6): New test case.
 512         * testsuite/Makefile.in: Regenerate.
 513
 514 2011-07-06  Cary Coutant  <ccoutant@google.com>
 515
 516         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 517         debug output when command lines differ.
 518
 519 2011-07-06  Cary Coutant  <ccoutant@google.com>
 520
 521         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 522         --incremental-patch option.
 523         * layout.cc (Free_list::allocate): Extend allocation beyond original
 524         end if enabled.
 525         (Layout::make_output_section): Mark sections that should get
 526         patch space.
 527         * options.cc (parse_percent): New function.
 528         * options.h (parse_percent): New function.
 529         (DEFINE_percent): New macro.
 530         (General_options): Add --incremental-patch option.
 531         * output.cc (Output_section::Output_section): Initialize new data
 532         members.
 533         (Output_section::add_input_section): Print section name when out
 534         of patch space.
 535         (Output_section::add_output_section_data): Likewise.
 536         (Output_section::set_final_data_size): Add patch space when
 537         doing --incremental-full.
 538         (Output_section::do_reset_address_and_file_offset): Remove patch
 539         space.
 540         (Output_segment::set_section_list_addresses): Print debug output
 541         only if --incremental-update.
 542         * output.h (Output_section::set_is_patch_space_allowed): New function.
 543         (Output_section::is_patch_space_allowed_): New data member.
 544         (Output_section::patch_space_): New data member.
 545         * parameters.cc (Parameters::incremental_full): New function.
 546         * parameters.h (Parameters::incremental_full): New function
 547         * testsuite/Makefile.am (incremental_test_2): Add test for
 548         --incremental-patch option.
 549         * testsuite/Makefile.in: Regenerate.
 550         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 551         (t18): Remove function body.
 552
 553 2011-07-05  Doug Kwan  <dougkwan@google.com>
 554
 555         PR gold/12771
 556         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 557         Arm_Address type for relocation result.
 558         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 559         overflow check.
 560         (Arm_relocate_functions::abs32): Use unaligned access.
 561         (Arm_relocate_functions::rel32): Ditto.
 562         (Arm_relocate_functions::prel31): Ditto.
 563         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 564         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 565         static data relocations.
 566         * testsuite/Makefile.in: Regnerate.
 567         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 568
 569 2011-07-05  Ian Lance Taylor  <iant@google.com>
 570
 571         PR gold/12392
 572         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 573         symbols if necessary.
 574         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 575
 576 2011-07-05  Ian Lance Taylor  <iant@google.com>
 577
 578         PR gold/12952
 579         * resolve.cc (Symbol::override_base_with_special): Simply override
 580         version with special symbol version, ignoring previous version.
 581
 582 2011-07-05  Ian Lance Taylor  <iant@google.com>
 583
 584         * object.cc (Sized_relobj_file::include_section_group): Add
 585         information to comment about signature location.
 586
 587 2011-07-02  Ian Lance Taylor  <iant@google.com>
 588
 589         PR gold/12957
 590         * options.h (class General_options): Add -f and -F.
 591         * options.cc (General_options::finalize): Fatal error if -f/-F
 592         are used without -shared.
 593         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 594
 595 2011-07-02  Ian Lance Taylor  <iant@google.com>
 596
 597         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 598
 599 2011-07-01  Ian Lance Taylor  <iant@google.com>
 600
 601         PR gold/12525
 602         PR gold/12952
 603         * resolve.cc (Symbol::override_base_with_special): Don't override
 604         the version if the overriding symbol has a different name.
 605         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 606         all callers.  If we give an error about an undefined version,
 607         define the base version if necessary.
 608         * dynobj.h (class Versions): Update declaration.
 609         * testsuite/weak_alias_test_5.cc: New file.
 610         * testsuite/weak_alias_test.script: New file.
 611         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 612         and versioned_alias have the right value, and call t2.
 613         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 614         weak_alias_test_5.so.
 615         (weak_alias_test_LDADD): Likewise.
 616         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 617         * testsuite/Makefile.in: Rebuild.
 618
 619 2011-07-01  Ian Lance Taylor  <iant@google.com>
 620
 621         PR gold/12525
 622         * options.h (class General_options): Support -z notext.
 623         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 624         -Wl,-z,notext.
 625         (two_file_shared_nonpic.so): Likewise.
 626         (two_file_shared_mixed.so): Likewise.
 627         (two_file_shared_mixed_1.so): Likewise.
 628         (weak_undef_lib_nonpic.so): Likewise.
 629         (alt/weak_undef_lib_nonpic.so): Likewise.
 630         (tls_test_shared_nonpic.so): Likewise.
 631         * testsuite/Makefile.in: Rebuild.
 632
 633 2011-07-01  Ian Lance Taylor  <iant@google.com>
 634
 635         PR gold/12525
 636         * configure.ac: Test whether static linking works, setting
 637         the automake conditional HAVE_STATIC.
 638         * testsuite/Makefile.am: Disable tests using -static if
 639         HAVE_STATIC is not true.
 640         * configure, testsuite/Makefile.in: Rebuild.
 641
 642 2011-07-01  Ian Lance Taylor  <iant@google.com>
 643
 644         PR gold/12525
 645         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 646         Assert if we see DW_EH_PE_indirect.
 647         * target.h (Target::ehframe_datarel_base): New function.
 648         (Target::do_ehframe_datarel_base): New target function.
 649         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 650         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 651         function.
 652
 653 2011-07-01  Ian Lance Taylor  <iant@google.com>
 654
 655         PR gold/12571
 656         * options.h (class General_options): Add
 657         --ld-generated-unwind-info.
 658         * ehframe.cc (Fde::write): Add address parameter.  Change all
 659         callers.  If associated with PLT, fill in address and size.
 660         (Cie::set_output_offset): Only add merge mapping if there is an
 661         object.
 662         (Cie::write): Add address parameter.  Change all callers.
 663         (Eh_frame::add_ehframe_for_plt): New function.
 664         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 665         input_offset_ fields into union u_, with new plt field.
 666         (Fde::Fde): Adjust for new union field.
 667         (Fde::Fde) [Output_data version]: New constructor.
 668         (Fde::add_mapping): Only add merge mapping if there is an object.
 669         (class Cie): Update declarations.
 670         (class Eh_frame): Declare add_ehframe_for_plt.
 671         * layout.cc (Layout::layout_eh_frame): Break out code into
 672         make_eh_frame_section, and call it.
 673         (Layout::make_eh_frame_section): New function.
 674         (Layout::add_eh_frame_for_plt): New function.
 675         * layout.h (class Layout): Update declarations.
 676         * merge.cc (Merge_map::add_mapping): Add assertion.
 677         * i386.cc: Include "dwarf.h".
 678         (class Output_data_plt_i386): Make first_plt_entry,
 679         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 680         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 681         and plt_eh_frame_fde.
 682         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 683         boundary.  Call add_eh_frame_for_plt if appropriate.
 684         * x86_64.cc: Include "dwarf.h".
 685         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 686         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 687         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 688         and plt_eh_frame_fde.
 689         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 690         appropriate.
 691
 692 2011-06-29  Ian Lance Taylor  <iant@google.com>
 693
 694         PR gold/12629
 695         * object.cc (Sized_relobj_file::layout_section): Change shdr
 696         parameter to be const.
 697         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 698         out of do_layout.
 699         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 700         appropriate.  Call layout_eh_frame_section.
 701         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 702         sections.
 703         * object.h (class Sized_relobj_file): Update declarations.
 704
 705 2011-06-29  Ian Lance Taylor  <iant@google.com>
 706
 707         PR gold/12652
 708         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 709         modifier.
 710         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 711
 712 2011-06-29  Ian Lance Taylor  <iant@google.com>
 713
 714         PR gold/12675
 715         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 716         SHT_X86_64_UNWIND.
 717         * layout.cc (Layout::layout_eh_frame): Likewise.
 718
 719 2011-06-29  Ian Lance Taylor  <iant@google.com>
 720
 721         PR gold/12695
 722         * layout.cc (Layout::symtab_section_shndx): New function.
 723         * layout.h (class Layout): Declare symtab_section_shndx.
 724         * output.cc (Output_section::write_header): Call it.
 725
 726 2011-06-29  Ian Lance Taylor  <iant@google.com>
 727
 728         PR gold/12818
 729         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 730         symbols which are not used in a relocation.
 731
 732 2011-06-28  Ian Lance Taylor  <iant@google.com>
 733
 734         PR gold/12898
 735         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 736         script create indistinguishable segments.
 737         (Layout::set_segment_offsets): Use stable_sort when sorting
 738         segments.  Pass this to Compare_segments constructor.
 739         * layout.h (class Layout): Make segment_precedes non-static.
 740         (class Compare_segments): Change from struct to class.  Add
 741         layout_ field.  Add constructor.
 742         * script-sections.cc
 743         (Script_sections::attach_sections_using_phdrs_clause): Rename
 744         local orphan to is_orphan.  Don't report failure to put empty
 745         section in segment.  On attachment failure, report name of
 746         section, and attach to first PT_LOAD segment.
 747
 748 2011-06-28  Ian Lance Taylor  <iant@google.com>
 749
 750         PR gold/12934
 751         * target-select.cc (Target_selector::Target_selector): Add
 752         emulation parameter.  Change all callers.
 753         (select_target_by_bfd_name): Rename from select_target_by_name.
 754         Change all callers.
 755         (select_target_by_emulation): New function.
 756         (supported_emulation_names): New function.
 757         * target-select.h (class Target_selector): Add emulation_ field.
 758         Update declarations.
 759         (Target_selector::recognize_by_bfd_name): Rename from
 760         recognize_by_name.  Change all callers.
 761         (Target_selector::supported_bfd_names): Rename from
 762         supported_names.  Change all callers.
 763         (Target_selector::recognize_by_emulation): New function.
 764         (Target_selector::supported_emulations): New function.
 765         (Target_selector::emulation): New function.
 766         (Target_selector::do_recognize_by_bfd_name): Rename from
 767         do_recognize_by_name.  Change all callers.
 768         (Target_selector::do_supported_bfd_names): Rename from
 769         do_supported_names.  Change all callers.
 770         (Target_selector::do_recognize_by_emulation): New function.
 771         (Target_selector::do_supported_emulations): New function.
 772         (select_target_by_bfd_name): Change name in declaration.
 773         (select_target_by_emulation): Declare.
 774         (supported_emulation_names): Declare.
 775         * parameters.cc (parameters_force_valid_target): Try to find
 776         target based on emulation from -m option.
 777         * options.h (class General_options): Change doc string for -m.
 778         * options.cc (help): Print emulations.
 779         (General_options::parse_V): Likewise.
 780         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 781         Add emulation parameter.  Change all callers.
 782
 783 2011-06-28  Ian Lance Taylor  <iant@google.com>
 784
 785         * target.h (class Target): Add osabi_ field.
 786         (Target::osabi): New function.
 787         (Target::set_osabi): New function.
 788         (Target::Target): Initialize osabi_.
 789         (Target::do_adjust_elf_header): Make pure virtual.
 790         (Sized_target::do_adjust_elf_header): Declare.
 791         * target.cc (Sized_target::do_adjust_elf_header): New function.
 792         (class Sized_target): Instantiate all versions.
 793         * freebsd.h (class Target_freebsd): Remove.
 794         (Target_selector_freebsd::do_recognize): Call set_osabi on
 795         Target.
 796         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 797         (Target_selector_freebsd::set_osabi): Remove.
 798         * i386.cc (class Target_i386): Inherit from Sized_target rather
 799         than Target_freebsd.
 800         * x86_64.cc (class Target_x86_64): Likewise.
 801
 802 2011-06-28  Ian Lance Taylor  <iant@google.com>
 803
 804         * target.h (Target::can_check_for_function_pointers): Rewrite.
 805         Make non-virtual.
 806         (Target::can_icf_inline_merge_sections): Likewise.
 807         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 808         (Target::Target_info): Add can_icf_inline_merge_sections field.
 809         (Target::do_can_check_for_function_pointers): New virtual
 810         function.
 811         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 812         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 813         from can_check_for_function_pointers, move in file.
 814         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 815         section_may_have_icf_unsafe_poineters, move in file.
 816         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 817         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 818         Rename from can_check_for_function_pointers, move in file.
 819         (Target_i386::can_icf_inline_merge_sections): Remove.
 820         (Target_i386::i386_info): Initialize
 821         can_icf_inline_merge_sections.
 822         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 823         Initialize can_icf_inline_merge_sections.
 824         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 825         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 826         Rename from can_check_for_function_pointers, move in file.
 827         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 828         (Target_x86_64::x86_64_info): Initialize
 829         can_icf_inline_merge_sections.
 830         * testsuite/testfile.cc (Target_test::test_target_info):
 831         Likewise.
 832         * icf.cc (get_section_contents): Correct formatting.
 833
 834 2011-06-27  Ian Lance Taylor  <iant@google.com>
 835
 836         * symtab.cc (Symbol::versioned_name): New function.
 837         (Symbol_table::add_to_final_symtab): Use versioned_name when
 838         appropriate.
 839         (Symbol_table::sized_write_symbol): Likewise.
 840         * symtab.h (class Symbol): Declare versioned_name.
 841         * stringpool.h (class Stringpool_template): Add variant of add
 842         which takes a std::basic_string.
 843         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 844         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 845         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 846         (ver_test_12.o): New target.
 847         * testsuite/Makefile.in: Rebuild.
 848
 849 2011-06-27  Doug Kwan  <dougkwan@google.com>
 850
 851         * arm.cc (Arm_relocate_functions::thm_jump8,
 852         Arm_relocate_functions::thm_jump11): Use a wider signed
 853         type to compute offset.
 854         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 855         arm_thm_jump8.
 856         * testsuite/Makefile.in: Regenerate.
 857         * testsuite/arm_branch_in_range.sh: Check test results of
 858         arm_thm_jump11 and arm_thm_jump8.
 859         * testsuite/arm_thm_jump11.s: New test source file.
 860         * testsuite/arm_thm_jump11.t: New linker script.
 861         * testsuite/arm_thm_jump8.s: New test source file.
 862         * testsuite/arm_thm_jump8.t: New linker script.
 863
 864 2011-06-24  Ian Lance Taylor  <iant@google.com>
 865
 866         * layout.cc: Include "object.h".
 867         (ctors_sections_in_init_array): New static variable.
 868         (Layout::is_ctors_in_init_array): New function.
 869         (Layout::layout): Add entry to ctors_sections_in_init_array if
 870         appropriate.
 871         * layout.h (class Layout): Declare is_ctors_in_init_array.
 872         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 873         is_ctors_reverse_view is set.
 874         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 875         all callers.  Set is_ctors_reverse_view field of View_size.
 876         (Sized_relobj_file::reverse_words): New function.
 877         * object.h (Sized_relobj_file::View_size): Add
 878         is_ctors_reverse_view field.
 879         (class Sized_relobj_file): Update declarations.
 880         * testsuite/initpri3.c: New test.
 881         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 882         initpri3b.
 883         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 884         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 885         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 886         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 887         * testsuite/Makefile.in: Rebuild.
 888
 889 2011-06-24  Cary Coutant  <ccoutant@google.com>
 890
 891         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 892         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 893         (debug_msg_cdebug.err): New targets.
 894         * testsuite/Makefile.in: Regenerate.
 895         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 896         Fix checks for link with shared library.
 897
 898 2011-06-24  Doug Kwan  <dougkwan@google.com>
 899
 900         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 901         skip empty text sections.
 902         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 903
 904 2011-06-22  Ian Lance Taylor  <iant@google.com>
 905
 906         PR gold/12910
 907         * options.h (class General_options): Add --ctors-in-init-array.
 908         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 909         friends as SHT_PROGBITS for merging sections.
 910         (Layout::layout): Remove special handling of .init_array and
 911         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 912         and .dtors if ctors_in_init_array.
 913         (Layout::make_output_section): Force correct section types for
 914         .init_array and friends.  Don't sort if doing relocatable link,
 915         Don't sort .ctors and .dtors if ctors_in_init_array.
 916         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 917         (Layout::output_section_name): Add relobj parameter.  Change all
 918         callers.  Handle .ctors. and .dtors. in code rather than table.
 919         Handle .ctors and .dtors if ctors_in_init_array.
 920         (Layout::match_file_name): New function, moved from output.cc.
 921         * layout.h (class Layout): Update declarations.
 922         * output.cc: Include "layout.h".
 923         (Input_section_sort_entry::get_priority): New function.
 924         (Input_section_sort_entry::match_file_name): Just call
 925         Layout::match_file_name.
 926         (Output_section::Input_section_sort_init_fini_compare::operator()):
 927         Handle .ctors and .dtors.  Sort by explicit priority rather than
 928         by name.
 929         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 930         * testsuite/initpri2.c: New test.
 931         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 932         (check_PROGRAMS): Add initpri2.
 933         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 934         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 935         * configure, testsuite/Makefile.in: Rebuild.
 936
 937 2011-06-19  Ian Lance Taylor  <iant@google.com>
 938
 939         PR gold/12880
 940         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 941         .interp section to a PT_INTERP segment even if we have seen a
 942         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 943         clause in a linker script.
 944         (Layout::finalize): Don't create a .interp section if we've
 945         already create a PT_INTERP segment.
 946         (Layout::create_interp): Always call choose_output_section (revert
 947         patch of 2011-06-17).  Don't create PT_INTERP segment.
 948         * script-sections.cc
 949         (Script_sections::create_note_and_tls_segments): Add a .interp
 950         section to a PT_INTERP segment even if we have seen a
 951         --dynamic-linker option.
 952
 953 2011-06-18  Ian Lance Taylor  <iant@google.com>
 954
 955         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 956         merely because a non-PT_LOAD segment has a dynamic reloc.
 957
 958 2011-06-18  Ian Lance Taylor  <iant@google.com>
 959
 960         * layout.cc (Layout::finish_dynamic_section): Don't create
 961         DT_FLAGS entry if not needed.
 962
 963 2011-06-18  Ian Lance Taylor  <iant@google.com>
 964
 965         PR gold/12745
 966         * layout.cc (Layout::layout_eh_frame): Correct handling of
 967         writable .eh_frame section.
 968
 969 2011-06-17  Ian Lance Taylor  <iant@google.com>
 970
 971         PR gold/12893
 972         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 973         symbol is redefined with the exact same object and value.
 974
 975 2011-06-17  Ian Lance Taylor  <iant@google.com>
 976
 977         PR gold/12880
 978         * layout.h (class Layout): Add interp_segment_ field.
 979         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 980         (Layout::attach_allocated_section_to_segment): If making shared
 981         library, put .interp section in PT_INTERP segment.
 982         (Layout::finalize): Also call create_interp if -dynamic-linker
 983         option was used.
 984         (Layout::create_interp): Assert that there is no PT_INTERP
 985         segment.  If not using a SECTIONS clause, use make_output_section.
 986         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 987         * script-sections.cc
 988         (Script_sections::create_note_and_tls_segments): If making shared
 989         library, put .interp section in PT_INTERP segment.
 990
 991 2011-06-17  Ian Lance Taylor  <iant@google.com>
 992
 993         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 994         when making a shared library.
 995
 996 2011-06-17  Ian Lance Taylor  <iant@google.com>
 997
 998         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 999         parameter.  Change all callers.  Don't issue warning about PC32
1000         against locally defined symbol.
1001
1002 2011-06-16  Ian Lance Taylor  <iant@google.com>
1003
1004         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1005         occurs in same object.
1006
1007 2011-06-14  Alan Modra  <amodra@gmail.com>
1008
1009         * po/POTFILES.in: Regenerate.
1010
1011 2011-06-09  Ian Lance Taylor  <iant@google.com>
1012
1013         * script-sections.cc
1014         (Orphan_output_section::set_section_addresses): For a relocatable
1015         link set address to 0.
1016
1017 2011-06-09  Cary Coutant  <ccoutant@google.com>
1018
1019         PR gold/12804
1020         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1021         used with --compress-debug-sections.
1022         * gold/object.cc (Sized_relobj_file::do_layout): Report
1023         uncompressed size of compressed input sections.
1024
1025 2011-06-08  Cary Coutant  <ccoutant@google.com>
1026
1027         PR gold/12804
1028         * testsuite/two_file_test_2_v1.cc: Change initialization of
1029         v2 to keep it in .data.
1030
1031 2011-06-07  Cary Coutant  <ccoutant@google.com>
1032
1033         * common.cc (Symbol_table::do_allocate_commons_list): Call
1034         gold_fallback.
1035         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1036         (Errors::fallback): New function.
1037         (gold_fallback): New function.
1038         * errors.h (Errors::fallback): New function.
1039         * gold.cc (gold_exit): Change status parameter to enum; adjust
1040         all callers.
1041         (queue_initial_tasks): Call gold_fallback.
1042         * gold.h: Include cstdlib.
1043         (Exit_status): New enum type.
1044         (gold_exit): Change status parameter to enum.
1045         (gold_fallback): New function.
1046         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1047         (Layout::create_symtab_sections): Likewise.
1048         (Layout::create_shdrs): Likewise.
1049         * main.cc (main): Adjust call to gold_exit.
1050         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1051         (Output_data_got::add_got_entry_pair): Likewise.
1052         (Output_section::add_input_section): Likewise.
1053         (Output_section::add_output_section_data): Likewise.
1054         (Output_segment::set_section_list_addresses): Likewise.
1055         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1056
1057 2011-06-07  Cary Coutant  <ccoutant@google.com>
1058
1059         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1060         for incremental links.
1061         * output.cc (Output_segment::set_section_list_addresses): Remove
1062         FIXME and test for TLS or BSS.
1063
1064 2011-06-07  Cary Coutant  <ccoutant@google.com>
1065
1066         * testsuite/Makefile.am: Add incremental_copy_test,
1067         incremental_common_test_1.
1068         * testsuite/Makefile.in: Regenerate.
1069         * testsuite/common_test_1_v1.c: New source file.
1070         * testsuite/common_test_1_v2.c: New source file.
1071         * testsuite/copy_test_v1.cc: New source file.
1072
1073 2011-06-07  Cary Coutant  <ccoutant@google.com>
1074
1075         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1076         update, allocate common from bss section's free list.
1077         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1078         linker-defined symbols.
1079         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1080         Skip GOT and PLT entries that are no longer referenced.
1081         (Output_section_incremental_inputs::write_info_blocks): Mark
1082         linker-defined symbols.
1083         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1084         * output.cc (Output_section::allocate): New function.
1085         * output.h (Output_section::allocate): New function.
1086         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1087         linker-defined symbols.
1088         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1089         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1090         (Symbol::init_base_output_data): Likewise.
1091         (Symbol::init_base_output_segment): Likewise.
1092         (Symbol::init_base_constant): Likewise.
1093         (Sized_symbol::init_output_data): Likewise.
1094         (Sized_symbol::init_output_segment): Likewise.
1095         (Sized_symbol::init_constant): Likewise.
1096         (Symbol_table::do_define_in_output_data): Likewise.
1097         (Symbol_table::do_define_in_output_segment): Likewise.
1098         (Symbol_table::do_define_as_constant): Likewise.
1099         * symtab.h (Symbol::is_predefined): New function.
1100         (Symbol::init_base_output_data): Add is_predefined parameter.
1101         (Symbol::init_base_output_segment): Likewise.
1102         (Symbol::init_base_constant): Likewise.
1103         (Symbol::is_predefined_): New data member.
1104         (Sized_symbol::init_output_data): Add is_predefined parameter.
1105         (Sized_symbol::init_output_segment): Likewise.
1106         (Sized_symbol::init_constant): Likewise.
1107         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1108
1109 2011-06-07  Cary Coutant  <ccoutant@google.com>
1110
1111         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1112         instead of emit_copy_reloc.
1113         (Copy_relocs::emit_copy_reloc): Refactor.
1114         (Copy_relocs::make_copy_reloc): New function.
1115         (Copy_relocs::add_copy_reloc): Remove.
1116         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1117         section.
1118         (Copy_relocs::make_copy_reloc): New function.
1119         (Copy_relocs::add_copy_reloc): Remove.
1120         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1121         unchanged input files.
1122         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1123         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1124         Reserve BSS space for COPY relocations.
1125         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1126         (Output_section_incremental_inputs::write_info_blocks): Record
1127         whether a symbol is copied from a shared object.
1128         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1129         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1130         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1131         (Incremental_input_entry_reader::get_output_symbol_index): Add
1132         is_copy parameter.
1133         (Incremental_binary::emit_copy_relocs): New function.
1134         (Incremental_binary::do_emit_copy_relocs): New function.
1135         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1136         new data member.
1137         (Sized_incremental_binary::add_copy_reloc): New function.
1138         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1139         (Sized_incremental_binary::Copy_reloc): New struct.
1140         (Sized_incremental_binary::Copy_relocs): New typedef.
1141         (Sized_incremental_binary::copy_relocs_): New data member.
1142         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1143         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1144         * target.h (Sized_target::emit_copy_reloc): New function.
1145         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1146
1147 2011-06-02  Cary Coutant  <ccoutant@google.com>
1148
1149         PR gold/12163
1150         * gold/archive.cc (Archive::Archive): Initialize new data member.
1151         (Archive::include_all_members): Return if archive has already been
1152         included.
1153         * gold/archive.h (Archive::include_all_members_): New data member.
1154
1155 2011-06-02  Nick Clifton  <nickc@redhat.com>
1156
1157         * dynobj.h: Fix spelling mistake in comment.
1158         * output.cc: Likewise.
1159
1160 2011-05-31  Doug Kwan  <dougkwan@google.com>
1161             Asier Llano
1162
1163         PR gold/12826
1164         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1165         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1166         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1167         redundant arm_exidx_test.so.
1168         * testsuite/Makefile.in: Regenerate.
1169         (check_SCRIPTS): Add pr12826.sh
1170         (check_DATA): Add pr12826.stdout
1171         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1172         * testsuite/pr12826.sh: New file.
1173         * testsuite/pr12826_1.s: Ditto.
1174         * testsuite/pr12826_1.s: Ditto.
1175
1176 2011-05-30  Ian Lance Taylor  <iant@google.com>
1177
1178         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1179         sections.
1180
1181 2011-05-29  Ian Lance Taylor  <iant@google.com>
1182
1183         PR gold/12804
1184         * testsuite/Makefile.am: Use different file name for two_file_test
1185         temporary file for each incremental test.
1186         * testsuite/Makefile.in: Rebuild.
1187
1188 2011-05-29  Ian Lance Taylor  <iant@google.com>
1189
1190         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1191         binary input file is empty.
1192
1193 2011-05-27  Ian Lance Taylor  <iant@google.com>
1194
1195         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1196         (ver_test_9.so): Likewise.
1197         * testsuite/Makefile.in: Rebuild.
1198
1199 2011-05-26 Cary Coutant  <ccoutant@google.com>
1200
1201         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1202         * incremental.cc (Incremental_inputs::report_input_section): Fix
1203         comment, indentation.
1204         (Incremental_inputs::report_comdat_group): New function.
1205         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1206         of data for incremental input file entry.
1207         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1208         group count, COMDAT group signatures.
1209         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1210         an unchanged input file.
1211         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1212         Initialize new data member.
1213         (Incremental_object_entry::add_comdat_group): New function.
1214         (Incremental_object_entry::get_comdat_group_count): New function.
1215         (Incremental_object_entry::get_comdat_signature_key): New function.
1216         (Incremental_object_entry::groups_): New data member.
1217         (Incremental_inputs::report_comdat_group): New function.
1218         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1219         data for incremental input file entry.
1220         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1221         (Incremental_input_entry_reader::get_input_section): Adjust size of
1222         data for incremental input file entry.
1223         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1224         (Incremental_input_entry_reader::get_comdat_group_signature): New
1225         function.
1226         * object.cc (Sized_relobj::include_section_group): Report kept
1227         COMDAT groups for incremental links.
1228
1229 2011-05-24  David Meyer  <pdox@google.com>
1230
1231         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1232         with name parameter.  Add found_name parameter.
1233         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1234         * dirsearch.h (class Dirsearch): Update declaration.
1235
1236 2011-05-24  Ian Lance Taylor  <iant@google.com>
1237
1238         * archive.cc (Library_base::should_include_member): Pull in object
1239         from archive if it defines the entry symbol.
1240         * parameters.cc (Parameters::entry): New function.
1241         * parameters.h (class Parameters): Declare entry.
1242         * output.h (class Output_file_header): Remove entry_ field.
1243         * output.cc (Output_file_header::Output_file_header): Remove entry
1244         parameter.  Change all callers.
1245         (Output_file_header::entry): Use parameters->entry.
1246         * gold.cc (queue_middle_tasks): Likewise.
1247         * plugin.cc (Plugin_hook::run): Likewise.
1248
1249 2011-05-24 Cary Coutant  <ccoutant@google.com>
1250
1251         * gold.cc (queue_initial_tasks): Pass incremental base filename
1252         to Output_file::open_base_file; don't print error message.
1253         * incremental-dump.cc (main): Adjust call to
1254         Output_file::open_for_modification.
1255         * incremental-dump.cc (main): Likewise.
1256         * incremental.cc (Incremental_inputs::report_command_line):
1257         Ignore --incremental-base option when comparing command lines.
1258         Ignore parameter when given as separate argument.
1259         * options.h (class General_options): Add --incremental-base.
1260         * output.cc (Output_file::Output_file):
1261         (Output_file::open_base_file): Add base_name and writable parameters;
1262         read base file into new file; print error message here.
1263         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1264         callers.
1265         * output.h (Output_file::open_for_modification): Rename to...
1266         (Output_file::open_base_file): ...this; add base_name and
1267         writable parameters; adjust all callers.
1268         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1269         callers.
1270         * testsuite/Makefile.am (incremental_test_4): Test
1271         --incremental-base.
1272         * testsuite/Makefile.in: Regenerate.
1273
1274 2011-05-24 Cary Coutant  <ccoutant@google.com>
1275
1276         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1277         incremental_test_4.
1278         * testsuite/Makefile.in: Regenerate.
1279         * testsuite/two_file_test_1_v1.cc: New test source file.
1280         * testsuite/two_file_test_1b_v1.cc: New test source file.
1281         * testsuite/two_file_test_2_v1.cc: New test source file.
1282
1283 2011-05-24 Cary Coutant  <ccoutant@google.com>
1284
1285         * dynobj.h (Dynobj::do_dynobj): New function.
1286         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1287         flag and soname for shared objects.
1288         * incremental.cc (Incremental_inputs::report_object): Make
1289         either Incremental_object_entry or Incremental_dynobj_entry; add
1290         soname to string table.
1291         (Incremental_inputs::report_input_section): Add assertion.
1292         (Output_section_incremental_inputs::set_final_data_size): Adjust
1293         type of input file entry for shared libraries; adjust size of
1294         shared library info entry.
1295         (Output_section_incremental_inputs::write_input_files): Write
1296         as_needed flag for shared libraries.
1297         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1298         of input file entry for shared libraries; write soname.
1299         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1300         soname from incremental info.
1301         * incremental.h (enum Incremental_input_flags): Add
1302         INCREMENTAL_INPUT_AS_NEEDED.
1303         (Incremental_input_entry::Incremental_input_entry): Initialize new
1304         data member.
1305         (Incremental_input_entry::set_as_needed): New function.
1306         (Incremental_input_entry::as_needed): New function.
1307         (Incremental_input_entry::do_dynobj_entry): New function.
1308         (Incremental_input_entry::as_needed_): New data member.
1309         (Incremental_object_entry::Incremental_object_entry): Don't check
1310         for shared library.
1311         (Incremental_object_entry::do_type): Likewise.
1312         (class Incremental_dynobj_entry): New class.
1313         (Incremental_input_entry_reader::as_needed): New function.
1314         (Incremental_input_entry_reader::get_soname): New function.
1315         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1316         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1317         size of shared library info entry.
1318         * layout.cc (Layout::finish_dynamic_section): Don't test for
1319         incremental link when adding DT_NEEDED entries.
1320         * object.h (Object::Object): Initialize new data member.
1321         (Object::dynobj): New function.
1322         (Object::set_as_needed): New function.
1323         (Object::as_needed): New function.
1324         (Object::do_dynobj): New function.
1325         (Object::as_needed_): New data member.
1326
1327 2011-05-24 Cary Coutant  <ccoutant@google.com>
1328
1329         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1330         info; adjust display of GOT entries.
1331         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1332         vector of input objects; remove file_status_.
1333         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1334         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1335         got_plt reader; call target hooks to reserve GOT entries.
1336         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1337         of input file info header and GOT info entry.
1338         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1339         relocation info.
1340         (Got_plt_view_info::got_descriptor): Remove.
1341         (Got_plt_view_info::sym_index): New data member.
1342         (Got_plt_view_info::input_index): New data member.
1343         (Local_got_offset_visitor::visit): Write input file index.
1344         (Global_got_offset_visitor::visit): Write 0 for input file index.
1345         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1346         with sym_index and input_index.
1347         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1348         incremental info GOT entry; replace got_descriptor with input_index.
1349         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1350         map from input file index to object.
1351         (Sized_relobj_incr::do_layout): Replace direct data member reference
1352         with accessor function.
1353         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1354         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1355         Adjust size of input file info header.
1356         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1357         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1358         (Incremental_input_entry_reader::get_input_section): Adjust size of
1359         input file info header.
1360         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1361         of incremental info GOT entry.
1362         (Incremental_got_plt_reader::get_got_desc): Remove.
1363         (Incremental_got_plt_reader::get_got_symndx): New function.
1364         (Incremental_got_plt_reader::get_got_input_index): New function.
1365         (Sized_incremental_binary::Sized_incremental_binary): Remove
1366         file_status_; add input_objects_.
1367         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1368         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1369         (Sized_incremental_binary::file_is_unchanged): Remove.
1370         (Sized_incremental_binary::set_input_object): New function.
1371         (Sized_incremental_binary::input_object): New function.
1372         (Sized_incremental_binary::file_status_): Remove.
1373         (Sized_incremental_binary::input_objects_): New data member.
1374         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1375         references.
1376         (Sized_relobj_incr::invalid_address): Move to base class.
1377         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1378         class.
1379         (Sized_relobj_incr::do_output_section_offset): Likewise.
1380         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1381         (Sized_relobj_incr::section_offsets_): Likewise.
1382         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1383         function.
1384         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1385         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1386         with accessor function.
1387         (Sized_relobj_file::do_layout): Likewise.
1388         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1389         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1390         (Sized_relobj_file::compute_final_local_value): Replace refs to
1391         section_offsets_ with accessor function.
1392         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1393         * object.h (Relobj::Relobj): Initialize new data members.
1394         (Relobj::add_dyn_reloc): New function.
1395         (Relobj::first_dyn_reloc): New function.
1396         (Relobj::dyn_reloc_count): New function.
1397         (Relobj::first_dyn_reloc_): New data member.
1398         (Relobj::dyn_reloc_count_): New data member.
1399         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1400         references.
1401         (Sized_relobj::Address): New typedef.
1402         (Sized_relobj::invalid_address): Move here from child class.
1403         (Sized_relobj::Sized_relobj): Initialize new data members.
1404         (Sized_relobj::sized_relobj): New function.
1405         (Sized_relobj::is_output_section_offset_invalid): Move here from
1406         child class.
1407         (Sized_relobj::get_output_section_offset): Likewise.
1408         (Sized_relobj::local_has_got_offset): Likewise.
1409         (Sized_relobj::local_got_offset): Likewise.
1410         (Sized_relobj::set_local_got_offset): Likewise.
1411         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1412         (Sized_relobj::clear_got_offsets): New function.
1413         (Sized_relobj::section_offsets): Move here from child class.
1414         (Sized_relobj::do_output_section_offset): Likewise.
1415         (Sized_relobj::do_set_section_offset): Likewise.
1416         (Sized_relobj::Local_got_offsets): Likewise.
1417         (Sized_relobj::local_got_offsets_): Likewise.
1418         (Sized_relobj::section_offsets_): Likewise.
1419         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1420         references.
1421         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1422         class.
1423         (Sized_relobj_file::sized_relobj): New function
1424         (Sized_relobj_file::local_has_got_offset): Move to base class.
1425         (Sized_relobj_file::local_got_offset): Likewise.
1426         (Sized_relobj_file::set_local_got_offset): Likewise.
1427         (Sized_relobj_file::get_output_section_offset): Likewise.
1428         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1429         (Sized_relobj_file::do_output_section_offset): Likewise.
1430         (Sized_relobj_file::do_set_section_offset): Likewise.
1431         (Sized_relobj_file::Local_got_offsets): Likewise.
1432         (Sized_relobj_file::local_got_offsets_): Likewise.
1433         (Sized_relobj_file::section_offsets_): Likewise.
1434         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1435         (all constructors).
1436         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1437         (Output_reloc::get_symbol_index): Likewise.
1438         (Output_reloc::local_section_offset): Likewise.
1439         (Output_reloc::get_address): Likewise.
1440         (Output_reloc::symbol_value): Likewise.
1441         (Output_data_got::reserve_slot): Move to class definition.
1442         (Output_data_got::reserve_local): New function.
1443         (Output_data_got::reserve_slot_for_global): Remove.
1444         (Output_data_got::reserve_global): New function.
1445         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1446         (all constructors, two instantiations).
1447         (Output_reloc::get_relobj): New function (two instantiations).
1448         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1449         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1450         (Output_data_reloc::add_global): Adjust type of relobj.
1451         (Output_data_reloc::add_global_relative): Likewise.
1452         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1453         (Output_data_reloc::add_local): Likewise.
1454         (Output_data_reloc::add_local_relative): Likewise.
1455         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1456         (Output_data_reloc::add_local_section): Likewise.
1457         (Output_data_reloc::add_output_section): Likewise.
1458         (Output_data_reloc::add_absolute): Likewise.
1459         (Output_data_reloc::add_target_specific): Likewise.
1460         (Output_data_got::reserve_slot): Move definition here.
1461         (Output_data_got::reserve_local): New function.
1462         (Output_data_got::reserve_global): New function.
1463         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1464         section_offsets_ with accessor function.
1465         (Sized_relobj_file::write_sections): Likewise.
1466         (Sized_relobj_file::do_relocate_sections): Likewise.
1467         * target.h (Sized_target::reserve_local_got_entry): New function.
1468         (Sized_target::reserve_global_got_entry): New function.
1469         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1470         (Target_x86_64::reserve_global_got_entry): New function.
1471         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1472
1473 2011-05-23 Cary Coutant  <ccoutant@google.com>
1474
1475         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1476         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1477         bit when checking got_type.
1478         * incremental.cc (Sized_incremental_binary::setup_readers):
1479         Store symbol table and string table locations; initialize bit vector
1480         of file status flags.
1481         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1482         unchanged files.
1483         (Sized_incremental_binary::do_process_got_plt): New function.
1484         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1485         (Output_section_incremental_inputs::set_final_data_size): Record
1486         file index for each input file.
1487         (Output_section_incremental_inputs::write_got_plt): Store file index
1488         instead of input entry offset for each GOT entry.
1489         * incremental.h
1490         (Incremental_input_entry::Incremental_input_entry): Initialize new
1491         data member.
1492         (Incremental_input_entry::set_offset): Store file index.
1493         (Incremental_input_entry::get_file_index): New function.
1494         (Incremental_input_entry::file_index_): New data member.
1495         (Incremental_binary::process_got_plt): New function.
1496         (Incremental_binary::do_process_got_plt): New function.
1497         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1498         data members.
1499         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1500         (Sized_incremental_binary::set_file_is_unchanged): New function.
1501         (Sized_incremental_binary::file_is_unchanged): New function.
1502         (Sized_incremental_binary::do_process_got_plt): New function.
1503         (Sized_incremental_binary::file_status_): New data member.
1504         (Sized_incremental_binary::main_symtab_loc_): New data member.
1505         (Sized_incremental_binary::main_strtab_loc_): New data member.
1506         * output.cc (Output_data_got::Got_entry::write): Add case
1507         RESERVED_CODE.
1508         (Output_data_got::add_global): Call add_got_entry.
1509         (Output_data_got::add_global_plt): Likewise.
1510         (Output_data_got::add_global_with_rel): Likewise.
1511         (Output_data_got::add_global_with_rela): Likewise.
1512         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1513         (Output_data_got::add_global_pair_with_rela): Likewise.
1514         (Output_data_got::add_local): Call add_got_entry.
1515         (Output_data_got::add_local_plt): Likewise.
1516         (Output_data_got::add_local_with_rel): Likewise.
1517         (Output_data_got::add_local_with_rela): Likewise.
1518         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1519         (Output_data_got::add_local_pair_with_rela): Likewise.
1520         (Output_data_got::reserve_slot): New function.
1521         (Output_data_got::reserve_slot_for_global): New function.
1522         (Output_data_got::add_got_entry): New function.
1523         (Output_data_got::add_got_entry_pair): New function.
1524         (Output_section::add_output_section_data): Edit FIXME.
1525         * output.h
1526         (Output_section_data_build::Output_section_data_build): New
1527         constructor with size parameter.
1528         (Output_data_space::Output_data_space): Likewise.
1529         (Output_data_got::Output_data_got): Initialize new data member; new
1530         constructor with size parameter.
1531         (Output_data_got::add_constant): Call add_got_entry.
1532         (Output_data_got::reserve_slot): New function.
1533         (Output_data_got::reserve_slot_for_global): New function.
1534         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1535         (Output_data_got::add_got_entry): New function.
1536         (Output_data_got::add_got_entry_pair): New function.
1537         (Output_data_got::free_list_): New data member.
1538         * target.h (Sized_target::init_got_plt_for_update): New function.
1539         (Sized_target::register_global_plt_entry): New function.
1540         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1541         Initialize new data member; call init; add constructor with PLT count.
1542         (Output_data_plt_x86_64::init): New function.
1543         (Output_data_plt_x86_64::add_relocation): New function.
1544         (Output_data_plt_x86_64::reserve_slot): New function.
1545         (Output_data_plt_x86_64::free_list_): New data member.
1546         (Target_x86_64::init_got_plt_for_update): New function.
1547         (Target_x86_64::register_global_plt_entry): New function.
1548         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1549         incremental updates.
1550         (Output_data_plt_x86_64::add_relocation): New function.
1551         * testsuite/object_unittest.cc (Object_test): Set default options.
1552
1553 2011-05-16  Ian Lance Taylor  <iant@google.com>
1554
1555         * options.h (class General_options): Make -i a synonym for -r.
1556
1557 2011-05-16  Ian Lance Taylor  <iant@google.com>
1558
1559         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1560
1561 2011-05-10 Cary Coutant  <ccoutant@google.com>
1562
1563         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1564         strip_all (-s).
1565
1566 2011-05-06  Ian Lance Taylor  <iant@google.com>
1567
1568         * layout.cc (Layout::layout): If the output section flags change,
1569         update the ordering.
1570
1571 2011-04-25 Cary Coutant  <ccoutant@google.com>
1572
1573         * incremental-dump.cc (dump_incremental_inputs): Print local
1574         symbol info for each input file.
1575         * incremental.cc
1576         (Output_section_incremental_inputs::set_final_data_size): Add local
1577         symbol info to input file entries in incremental info.
1578         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1579         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1580         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1581         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1582         implementation.
1583         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1584         (Sized_incr_relobj::do_relocate): Write the local symbols.
1585         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1586         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1587         Adjust size of input file header.
1588         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1589         (Incremental_inputs_reader::get_local_symbol_count): New function.
1590         (Incremental_inputs_reader::get_input_section): Adjust size of input
1591         file header.
1592         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1593         (Sized_incr_relobj::This): New typedef.
1594         (Sized_incr_relobj::sym_size): New const data member.
1595         (Sized_incr_relobj::Local_symbol): New struct.
1596         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1597         (Sized_incr_relobj::do_local_symbol_offset): New function.
1598         (Sized_incr_relobj::local_symbol_count_): New data member.
1599         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1600         (Sized_incr_relobj::local_symbol_index_): New data member.
1601         (Sized_incr_relobj::local_symbol_offset_): New data member.
1602         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1603         (Sized_incr_relobj::local_symbols_): New data member.
1604         * object.h (Relobj::output_local_symbol_count): New function.
1605         (Relobj::local_symbol_offset): New function.
1606         (Relobj::do_output_local_symbol_count): New function.
1607         (Relobj::do_local_symbol_offset): New function.
1608         (Sized_relobj::do_output_local_symbol_count): New function.
1609         (Sized_relobj::do_local_symbol_offset): New function.
1610
1611 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1612
1613         * descriptors.cc (set_close_on_exec): New function.
1614         (Descriptors::open): Use set_close_on_exec.
1615         * output.cc (S_ISLNK): Define if not defined.
1616
1617 2011-04-22 Cary Coutant  <ccoutant@google.com>
1618
1619         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1620         global symbol map.
1621         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1622         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1623         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1624         relocations.
1625         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1626         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1627         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1628         * incremental.h
1629         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1630         function.
1631         (Incremental_binary::apply_incremental_relocs): New function.
1632         (Incremental_binary::do_apply_incremental_relocs): New function.
1633         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1634         data member.
1635         (Sized_incremental_binary::add_global_symbol): New function.
1636         (Sized_incremental_binary::global_symbol): New function.
1637         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1638         (Sized_incremental_binary::symbol_map_): New data member.
1639         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1640         * target.h (Sized_target::apply_relocation): New function.
1641         * target-reloc.h (apply_relocation): New function.
1642         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1643
1644 2011-04-22  Doug Kwan  <dougkwan@google.com>
1645
1646         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1647         flag of a SHT_ARM_EXIDX section.
1648         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1649         * testsuite/Makefile.in: Regenerate.
1650         * testsuite/arm_exidx_test.s: New file.
1651         * testsuite/arm_exidx_test.sh: Same.
1652
1653 2011-04-20 Cary Coutant  <ccoutant@google.com>
1654
1655         PR gold/12689
1656         * archive.h (Incremental_archive_entry::Archive_member):
1657         Initialize arg_serial_ (second constructor).
1658
1659 2011-04-17  Ian Lance Taylor  <iant@google.com>
1660
1661         * object.cc (Relocate_info::location): Simplify location string.
1662         * errors.cc (Errors::error_at_location): Don't print program
1663         name.
1664         (Errors::warning_at_location): Likewise.
1665         (Errors::undefined_symbol): Likewise.
1666         * testsuite/debug_msg.sh: Update accordingly.
1667
1668 2011-04-14 Cary Coutant  <ccoutant@google.com>
1669
1670         * gold/layout.cc (Layout::symtab_section_offset): New function.
1671         * gold/layout.h (Layout::symtab_section_offset): New function.
1672         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1673
1674 2011-04-12  Ian Lance Taylor  <iant@google.com>
1675
1676         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1677         with MREMAP_MAYMOVE.
1678         * output.h (class Output_file): Add map_is_allocated_ field.
1679         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1680         not available, provide stubs.  If mremap is not available, #define
1681         it to gold_mremap.
1682         (MREMAP_MAYMOVE): Define if not defined.
1683         (Output_file::Output_file): Initialize map_is_allocated_.
1684         (Output_file::resize): Check map_is_allocated_.
1685         (Output_file::map_anonymous): If mmap fails, use malloc.
1686         (Output_file::unmap): Don't do anything for an anonymous map.
1687         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1688         is not available, provide stubs.
1689         (File_read::View::~View): Use free rather than delete[].
1690         (File_read::make_view): Use malloc rather than new[].  If mmap
1691         fails, use malloc.
1692         (File_read::find_or_make_view): Use malloc rather than new[].
1693         * gold.h: Remove HAVE_REMAP code.
1694         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1695         exists.  Rename mremap to gold_mremap.  If mmap is not available
1696         don't do anything.
1697         * configure, config.in: Rebuild.
1698
1699 2011-04-11  Ian Lance Taylor  <iant@google.com>
1700
1701         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1702         initialize local variable v.
1703
1704 2011-04-11  Cary Coutant  <ccoutant@google.com>
1705
1706         * archive.cc (Archive::include_member): Adjust call to
1707         report_object.
1708         (Add_archive_symbols::run): Track argument serial numbers.
1709         (Lib_group::include_member): Likewise.
1710         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1711         * archive.h (Incremental_archive_entry::Archive_member):
1712         Initialize arg_serial_.
1713         (Archive_member::arg_serial_): New data member.
1714         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1715         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1716         incremental link.
1717         (Sized_dynobj::do_for_all_local_got_entries): New function.
1718         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1719         function.
1720         * fileread.cc (get_mtime): New function.
1721         * fileread.h (get_mtime): New function.
1722         * gold.cc (queue_initial_tasks): Check for incremental update.
1723         (process_incremental_input): New function.
1724         (queue_middle_tasks): Don't force valid target for incremental
1725         update.
1726         * incremental-dump.cc (find_input_containing_global): Adjust
1727         size of symbol info entry.
1728         (dump_incremental_inputs): Dump argument serial number and
1729         in_system_directory flag; bias shndx by 1; print symbol names
1730         when dumping per-file symbol lists; use new symbol info readers.
1731         * incremental.cc
1732         (Output_section_incremental_inputs:update_data_size): New function.
1733         (Sized_incremental_binary::setup_readers): Setup input readers
1734         for each input file; build maps for files added from libraries
1735         and scripts.
1736         (Sized_incremental_binary::check_input_args): New function.
1737         (Sized_incremental_binary::do_check_inputs): Build map of argument
1738         serial numbers to input arguments.
1739         (Sized_incremental_binary::do_file_has_changed): Rename
1740         do_file_is_unchanged to this; compare file modification times.
1741         (Sized_incremental_binary::do_init_layout): New function.
1742         (Sized_incremental_binary::do_reserve_layout): New function.
1743         (Sized_incremental_binary::do_get_input_reader): Remove.
1744         (Sized_incremental_binary::get_symtab_view): New function.
1745         (Incremental_checker::can_incrementally_link_output_file): Remove.
1746         (Incremental_inputs::report_command_line): Exclude --debug options.
1747         (Incremental_inputs::report_archive_begin): Add parameter; track
1748         argument serial numbers; don't put input file entry for archive
1749         before archive members.
1750         (Incremental_inputs::report_archive_end): Put input file entry
1751         for archive after archive members.
1752         (Incremental_inputs::report_object): Add parameter; track argument
1753         serial numbers and in_system_directory flag.
1754         (Incremental_inputs::report_script): Add parameter; track argument
1755         serial numbers.
1756         (Output_section_incremental_inputs::set_final_data_size): Adjust
1757         size of symbol info entry; check for forwarding symbols.
1758         (Output_section_incremental_inputs::write_input_files): Write
1759         in_system_directory flag and argument serial number.
1760         (Output_section_incremental_inputs::write_info_blocks): Map section
1761         indices between incremental info and original input file; store
1762         input section index for each symbol.
1763         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1764         change operator() to visit().
1765         (class Global_got_offset_visitor): Likewise.
1766         (class Global_symbol_visitor_got_plt):
1767         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1768         classes.
1769         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1770         (Sized_incr_relobj::do_read_symbols): New function.
1771         (Sized_incr_relobj::do_layout): New function.
1772         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1773         (Sized_incr_relobj::do_add_symbols): New function.
1774         (Sized_incr_relobj::do_should_include_member): New function.
1775         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1776         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1777         (Sized_incr_relobj::do_section_size): New function.
1778         (Sized_incr_relobj::do_section_name): New function.
1779         (Sized_incr_relobj::do_section_contents): New function.
1780         (Sized_incr_relobj::do_section_flags): New function.
1781         (Sized_incr_relobj::do_section_entsize): New function.
1782         (Sized_incr_relobj::do_section_address): New function.
1783         (Sized_incr_relobj::do_section_type): New function.
1784         (Sized_incr_relobj::do_section_link): New function.
1785         (Sized_incr_relobj::do_section_info): New function.
1786         (Sized_incr_relobj::do_section_addralign): New function.
1787         (Sized_incr_relobj::do_initialize_xindex): New function.
1788         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1789         (Sized_incr_relobj::do_read_relocs): New function.
1790         (Sized_incr_relobj::do_gc_process_relocs): New function.
1791         (Sized_incr_relobj::do_scan_relocs): New function.
1792         (Sized_incr_relobj::do_count_local_symbols): New function.
1793         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1794         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1795         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1796         (Sized_incr_relobj::do_relocate): New function.
1797         (Sized_incr_relobj::do_set_section_offset): New function.
1798         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1799         (Sized_incr_dynobj::do_read_symbols): New function.
1800         (Sized_incr_dynobj::do_layout): New function.
1801         (Sized_incr_dynobj::do_add_symbols): New function.
1802         (Sized_incr_dynobj::do_should_include_member): New function.
1803         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1804         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1805         (Sized_incr_dynobj::do_section_size): New function.
1806         (Sized_incr_dynobj::do_section_name): New function.
1807         (Sized_incr_dynobj::do_section_contents): New function.
1808         (Sized_incr_dynobj::do_section_flags): New function.
1809         (Sized_incr_dynobj::do_section_entsize): New function.
1810         (Sized_incr_dynobj::do_section_address): New function.
1811         (Sized_incr_dynobj::do_section_type): New function.
1812         (Sized_incr_dynobj::do_section_link): New function.
1813         (Sized_incr_dynobj::do_section_info): New function.
1814         (Sized_incr_dynobj::do_section_addralign): New function.
1815         (Sized_incr_dynobj::do_initialize_xindex): New function.
1816         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1817         (make_sized_incremental_object): New function.
1818         (Incremental_library::copy_unused_symbols): New function.
1819         (Incremental_library::do_for_all_unused_symbols): New function.
1820         * incremental.h (enum Incremental_input_flags): New type.
1821         (class Incremental_checker): Remove.
1822         (Incremental_input_entry::Incremental_input_entry): Add argument
1823         serial number.
1824         (Incremental_input_entry::arg_serial): New function.
1825         (Incremental_input_entry::set_is_in_system_directory): New function.
1826         (Incremental_input_entry::is_in_system_directory): New function.
1827         (Incremental_input_entry::arg_serial_): New data member.
1828         (Incremental_input_entry::is_in_system_directory_): New data member.
1829         (class Script_info): Move here from script.h.
1830         (Script_info::Script_info): Add filename parameter.
1831         (Script_info::filename): New function.
1832         (Script_info::filename_): New data member.
1833         (Incremental_script_entry::Incremental_script_entry): Add argument
1834         serial number.
1835         (Incremental_object_entry::Incremental_object_entry): Likewise.
1836         (Incremental_object_entry::add_input_section): Build list of input
1837         sections with map to original shndx.
1838         (Incremental_object_entry::get_input_section_index): New function.
1839         (Incremental_object_entry::shndx_): New data member.
1840         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1841         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1842         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1843         serial number.
1844         (Incremental_inputs::report_archive_begin): Likewise.
1845         (Incremental_inputs::report_object): Likewise.
1846         (Incremental_inputs::report_script): Likewise.
1847         (class Incremental_global_symbol_reader): New class.
1848         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1849         and store flags and input file type.
1850         (Incremental_input_entry_reader::arg_serial): New function.
1851         (Incremental_input_entry_reader::type): Extract type from flags.
1852         (Incremental_input_entry_reader::is_in_system_directory): New function.
1853         (Incremental_input_entry_reader::get_input_section_count): Call
1854         accessor function for type.
1855         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1856         function for type; adjust size of global symbol entry.
1857         (Incremental_input_entry_reader::get_global_symbol_count): Call
1858         accessor function for type.
1859         (Incremental_input_entry_reader::get_object_count): Likewise.
1860         (Incremental_input_entry_reader::get_object_offset): Likewise.
1861         (Incremental_input_entry_reader::get_member_count): Likewise.
1862         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1863         (Incremental_input_entry_reader::get_member_offset): Likewise.
1864         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1865         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1866         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1867         (Incremental_input_entry_reader::get_global_symbol_reader): New
1868         function.
1869         (Incremental_input_entry_reader::get_output_symbol_index): New
1870         function.
1871         (Incremental_input_entry_reader::type_): Remove.
1872         (Incremental_input_entry_reader::flags_): New data member.
1873         (Incremental_inputs_reader::input_file_offset): New function.
1874         (Incremental_inputs_reader::input_file_index): New function.
1875         (Incremental_inputs_reader::input_file): Call input_file_offset.
1876         (Incremental_inputs_reader::input_file_at_offset): New function.
1877         (Incremental_relocs_reader::get_r_type): Reformat.
1878         (Incremental_relocs_reader::get_r_shndx): Reformat.
1879         (Incremental_relocs_reader::get_r_offset): Reformat.
1880         (Incremental_relocs_reader::data): New function.
1881         (Incremental_binary::Incremental_binary): Initialize new data members.
1882         (Incremental_binary::check_inputs): Add cmdline parameter.
1883         (Incremental_binary::file_is_unchanged): Remove.
1884         (Input_reader::arg_serial): New function.
1885         (Input_reader::get_unused_symbol_count): New function.
1886         (Input_reader::get_unused_symbol): New function.
1887         (Input_reader::do_arg_serial): New function.
1888         (Input_reader::do_get_unused_symbol_count): New function.
1889         (Input_reader::do_get_unused_symbol): New function.
1890         (Incremental_binary::input_file_count): New function.
1891         (Incremental_binary::get_input_reader): Change signature to use
1892         index instead of filename.
1893         (Incremental_binary::file_has_changed): New function.
1894         (Incremental_binary::get_input_argument): New function.
1895         (Incremental_binary::get_library): New function.
1896         (Incremental_binary::get_script_info): New function.
1897         (Incremental_binary::init_layout): New function.
1898         (Incremental_binary::reserve_layout): New function.
1899         (Incremental_binary::output_file): New function.
1900         (Incremental_binary::do_check_inputs): New function.
1901         (Incremental_binary::do_file_is_unchanged): Remove.
1902         (Incremental_binary::do_file_has_changed): New function.
1903         (Incremental_binary::do_init_layout): New function.
1904         (Incremental_binary::do_reserve_layout): New function.
1905         (Incremental_binary::do_input_file_count): New function.
1906         (Incremental_binary::do_get_input_reader): Change signature.
1907         (Incremental_binary::input_args_map_): New data member.
1908         (Incremental_binary::library_map_): New data member.
1909         (Incremental_binary::script_map_): New data member.
1910         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1911         new data members.
1912         (Sized_incremental_binary::output_section): New function.
1913         (Sized_incremental_binary::inputs_reader): Add const.
1914         (Sized_incremental_binary::symtab_reader): Add const.
1915         (Sized_incremental_binary::relocs_reader): Add const.
1916         (Sized_incremental_binary::got_plt_reader): Add const.
1917         (Sized_incremental_binary::get_symtab_view): New function.
1918         (Sized_incremental_binary::Inputs_reader): New typedef.
1919         (Sized_incremental_binary::Input_entry_reader): New typedef.
1920         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1921         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1922         (Sized_incremental_binary::do_file_has_changed): New function.
1923         (Sized_incremental_binary::do_init_layout): New function.
1924         (Sized_incremental_binary::do_reserve_layout): New function.
1925         (Sized_input_reader::Inputs_reader): Remove.
1926         (Sized_input_reader::Input_entry_reader): Remove.
1927         (Sized_input_reader::do_arg_serial): New function.
1928         (Sized_input_reader::do_get_unused_symbol_count): New function.
1929         (Sized_input_reader::do_get_unused_symbol): New function.
1930         (Sized_incremental_binary::do_input_file_count): New function.
1931         (Sized_incremental_binary::do_get_input_reader): Change signature;
1932         use index instead of filename.
1933         (Sized_incremental_binary::section_map_): New data member.
1934         (Sized_incremental_binary::input_entry_readers_): New data member.
1935         (class Sized_incr_relobj): New class.
1936         (class Sized_incr_dynobj): New class.
1937         (make_sized_incremental_object): New function.
1938         (class Incremental_library): New class.
1939         * layout.cc (Free_list::num_lists): New static data member.
1940         (Free_list::num_nodes): New static data member.
1941         (Free_list::num_removes): New static data member.
1942         (Free_list::num_remove_visits): New static data member.
1943         (Free_list::num_allocates): New static data member.
1944         (Free_list::num_allocate_visits): New static data member.
1945         (Free_list::init): New function.
1946         (Free_list::remove): New function.
1947         (Free_list::allocate): New function.
1948         (Free_list::dump): New function.
1949         (Free_list::print_stats): New function.
1950         (Layout_task_runner::run): Resize output file for incremental updates.
1951         (Layout::Layout): Initialize new data members.
1952         (Layout::set_incremental_base): New function.
1953         (Layout::init_fixed_output_section): New function.
1954         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1955         incremental updates.
1956         (Layout::create_gold_note): Do not create gold note section for
1957         incremental updates.
1958         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1959         for incremental updates.
1960         (Layout::set_section_offsets): For incremental updates, allocate space
1961         from free list.
1962         (Layout::create_symtab_sections): Layout with offsets relative to
1963         start of section; for incremental updates, allocate space from free
1964         list.
1965         (Layout::create_shdrs): For incremental updates, allocate space from
1966         free list.
1967         (Layout::finish_dynamic_section): For incremental updates, do not
1968         check --as-needed (fixed in subsequent patch).
1969         * layout.h (class Free_list): New class.
1970         (Layout::set_incremental_base): New function.
1971         (Layout::incremental_base): New function.
1972         (Layout::init_fixed_output_section): New function.
1973         (Layout::allocate): New function.
1974         (Layout::incremental_base_): New data member.
1975         (Layout::free_list_): New data member.
1976         * main.cc (main): Print Free_list statistics.
1977         * object.cc (Relobj::finalize_incremental_relocs): Add
1978         clear_counts parameter; clear counts only when clear_counts is set.
1979         (Sized_relobj::Sized_relobj): Initialize new base class.
1980         (Sized_relobj::do_layout): Don't report special sections.
1981         (Sized_relobj::do_for_all_local_got_entries): New function.
1982         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1983         symtab_off to all symbol table offsets.
1984         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1985         * object.h (class Got_offset_list): Move to top of file.
1986         (Object::Object): Allow case where input_file == NULL.
1987         (Object::~Object): Likewise.
1988         (Object::input_file): Assert that input_file != NULL.
1989         (Object::lock): Allow case where input_file == NULL.
1990         (Object::unlock): Likewise.
1991         (Object::is_locked): Likewise.
1992         (Object::token): Likewise.
1993         (Object::release): Likewise.
1994         (Object::is_incremental): New function.
1995         (Object::get_mtime): New function.
1996         (Object::for_all_local_got_entries): New function.
1997         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1998         (Object::set_is_in_system_directory): New function.
1999         (Object::is_in_system_directory): New function.
2000         (Object::do_is_incremental): New function.
2001         (Object::do_get_mtime): New function.
2002         (Object::do_for_all_local_got_entries): New function.
2003         (Object::is_in_system_directory_): New data member.
2004         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2005         (class Sized_relobj_base): New class.
2006         (class Sized_relobj): Derive from Sized_relobj_base.
2007         (class Sized_relobj::Symbols): Redeclare from base class.
2008         (class Sized_relobj::local_got_offset_list): Remove.
2009         (class Sized_relobj::Output_sections): Redeclare from base class.
2010         (class Sized_relobj::do_for_all_local_got_entries): New function.
2011         (class Sized_relobj::write_local_symbols): Add offset parameter.
2012         (class Sized_relobj::local_symbol_offset_): Update comment.
2013         (class Sized_relobj::local_dynsym_offset_): Update comment.
2014         * options.cc (Input_arguments::add_file): Remove const.
2015         * options.h (Input_file_argument::Input_file_argument):
2016         Initialize arg_serial_ (all constructors).
2017         (Input_file_argument::set_arg_serial): New function.
2018         (Input_file_argument::arg_serial): New function.
2019         (Input_file_argument::arg_serial_): New data member.
2020         (Input_arguments::Input_arguments): Initialize file_count_.
2021         (Input_arguments::add_file): Remove const.
2022         (Input_arguments::number_of_input_files): New function.
2023         (Input_arguments::file_count_): New data member.
2024         (Command_line::number_of_input_files): Call
2025         Input_arguments::number_of_input_files.
2026         * output.cc (Output_segment_headers::Output_segment_headers):
2027         Set current size.
2028         (Output_section::Input_section::current_data_size): New function.
2029         (Output_section::Output_section): Initialize new data members.
2030         (Output_section::add_input_section): Don't do merge sections for
2031         an incremental link; allocate space from free list for an
2032         incremental update.
2033         (Output_section::add_output_section_data): Allocate space from
2034         free list for an incremental update.
2035         (Output_section::update_data_size): New function.
2036         (Output_section::set_fixed_layout): New function.
2037         (Output_section::reserve): New function.
2038         (Output_segment::set_section_addresses): Remove const.
2039         (Output_segment::set_section_list_addresses): Remove const; allocate
2040         space from free list for an incremental update.
2041         (Output_segment::set_offset): Adjust size of RELRO segment for an
2042         incremental update.
2043         * output.h (Output_data::current_data_size): Move here from
2044         child classes.
2045         (Output_data::pre_finalize_data_size): New function.
2046         (Output_data::update_data_size): New function.
2047         (Output_section_headers::update_data_size): new function.
2048         (Output_section_data_build::current_data_size): Move to Output_data.
2049         (Output_data_strtab::update_data_size): New function.
2050         (Output_section::current_data_size): Move to Output_data.
2051         (Output_section::set_fixed_layout): New function.
2052         (Output_section::has_fixed_layout): New function.
2053         (Output_section::reserve): New function.
2054         (Output_section::update_data_size): New function.
2055         (Output_section::has_fixed_layout_): New data member.
2056         (Output_section::free_list_): New data member.
2057         (Output_segment::set_section_addresses): Remove const.
2058         (Output_segment::set_section_list_addresses): Remove const.
2059         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2060         New function.
2061         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2062         New function.
2063         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2064         parameter when calling Add_symbols constructor; store argument
2065         serial number for members of a lib group.
2066         (Add_symbols::locks): Allow case where token == NULL.
2067         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2068         (Read_member::~Read_member): New function.
2069         (Read_member::is_runnable): New function.
2070         (Read_member::locks): New function.
2071         (Read_member::run): New function.
2072         (Check_script::~Check_script): New function.
2073         (Check_script::is_runnable): New function.
2074         (Check_script::locks): New function.
2075         (Check_script::run): New function.
2076         (Check_library::~Check_library): New function.
2077         (Check_library::is_runnable): New function.
2078         (Check_library::locks): New function.
2079         (Check_library::run): New function.
2080         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2081         (Add_symbols::library_): New data member.
2082         (class Read_member): New class.
2083         (class Check_script): New class.
2084         (class Check_library): New class.
2085         * reloc.cc (Read_relocs::is_runnable): Allow case where
2086         token == NULL.
2087         (Read_relocs::locks): Likewise.
2088         (Scan_relocs::locks): Likewise.
2089         (Relocate_task::locks): Likewise.
2090         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2091         to clear counters.
2092         (Sized_relobj::incremental_relocs_scan): Fix comment.
2093         (Sized_relobj::do_relocate): Pass output file offset to
2094         write_local_symbols.
2095         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2096         from class declaration.
2097         * script.cc (read_input_script): Allocate Script_info; pass
2098         argument serial number to report_script.
2099         * script.h (class Script_info): Move to incremental.h.
2100         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2101         * symtab.h (Symbol_table::add_from_incrobj): New function.
2102         (Symbol_table::set_file_offset): New function.
2103
2104 2011-04-05  Cary Coutant  <ccoutant@google.com>
2105
2106         * incremental-dump.cc (dump_incremental_inputs): Change signature
2107         to take a Sized_incremental_binary; change caller.  Use readers
2108         in Sized_incremental_binary.
2109         * incremental.cc
2110         (Sized_incremental_binary::find_incremental_inputs_sections):
2111         Rename do_find_incremental_inputs_sections to this.
2112         (Sized_incremental_binary::setup_readers): New function.
2113         (Sized_incremental_binary::do_check_inputs): Check
2114         has_incremental_info_ flag; move setup code to setup_readers;
2115         use input readers.
2116         (Sized_incremental_binary::do_file_is_unchanged): New function.
2117         (Sized_incremental_binary::do_get_input_reader): New function.
2118         * incremental.h (class Incremental_binary): Move to end of file.
2119         (Incremental_binary::file_is_unchanged): New function.
2120         (Incremental_binary::do_file_is_unchanged): New function.
2121         (Incremental_binary::Input_reader): New class.
2122         (Incremental_binary::get_input_reader): New function.
2123         (class Sized_incremental_binary): Move to end of file.
2124         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2125         input section reader classes.
2126         (Sized_incremental_binary::has_incremental_info): New function.
2127         (Sized_incremental_binary::inputs_reader): New function.
2128         (Sized_incremental_binary::symtab_reader): New function.
2129         (Sized_incremental_binary::relocs_reader): New function.
2130         (Sized_incremental_binary::got_plt_reader): New function.
2131         (Sized_incremental_binary::do_file_is_unchanged): New function.
2132         (Sized_incremental_binary::Sized_input_reader): New class.
2133         (Sized_incremental_binary::get_input_reader): New function.
2134         (Sized_incremental_binary::find_incremental_inputs_sections):
2135         Rename do_find_incremental_inputs_sections to this.
2136         (Sized_incremental_binary::setup_readers): New function.
2137         (Sized_incremental_binary::has_incremental_info_): New data member.
2138         (Sized_incremental_binary::inputs_reader_): New data member.
2139         (Sized_incremental_binary::symtab_reader_): New data member.
2140         (Sized_incremental_binary::relocs_reader_): New data member.
2141         (Sized_incremental_binary::got_plt_reader_): New data member.
2142         (Sized_incremental_binary::current_input_file_): New data member.
2143
2144 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2145
2146         PR gold/12640
2147         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2148         violation.
2149
2150 2011-03-30  Cary Coutant  <ccoutant@google.com>
2151
2152         * archive.cc (Archive::include_member): Adjust call to report_object.
2153         (Add_archive_symbols::run): Add script_info to call to
2154         report_archive_begin.
2155         (Lib_group::include_member): Adjust call to report_object.
2156         (Add_lib_group_symbols::run): Adjust call to report_object.
2157         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2158         blocks.  Add object count for script input files.
2159         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2160         script_info parameter; change all callers.
2161         (Incremental_inputs::report_object): Add script_info parameter;
2162         change all callers.
2163         (Incremental_inputs::report_script): Store backpointer to
2164         incremental info entry.
2165         (Output_section_incremental_inputs::set_final_data_size): Record
2166         additional information for scripts.
2167         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2168         * incremental.h (Incremental_script_entry::add_object): New function.
2169         (Incremental_script_entry::get_object_count): New function.
2170         (Incremental_script_entry::get_object): New function.
2171         (Incremental_script_entry::objects_): New data member; adjust
2172         constructor.
2173         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2174         (Incremental_inputs::report_object): Add script_info parameter.
2175         (Incremental_inputs_reader::get_object_count): New function.
2176         (Incremental_inputs_reader::get_object_offset): New function.
2177         * options.cc (Input_arguments::add_file): Return reference to
2178         new input argument.
2179         * options.h (Input_argument::set_script_info): New function.
2180         (Input_argument::script_info): New function.
2181         (Input_argument::script_info_): New data member; adjust all
2182         constructors.
2183         (Input_file_group::add_file): Return reference to new input argument.
2184         (Input_file_lib::add_file): Likewise.
2185         (Input_arguments::add_file): Likewise.
2186         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2187         * script.cc (Parser_closure::Parser_closure): Add script_info
2188         parameter; adjust all callers.
2189         (Parser_closure::script_info): New function.
2190         (Parser_closure::script_info_): New data member.
2191         (read_input_script): Report scripts earlier to incremental info.
2192         (script_add_file): Set script_info in Input_argument.
2193         (script_add_library): Likewise.
2194         * script.h (Script_options::Script_info): Rewrite class.
2195
2196 2011-03-29  Cary Coutant  <ccoutant@google.com>
2197
2198         * archive.cc (Library_base::should_include_member): Move
2199         method here from class Archive.
2200         (Archive::Archive): Initialize base class.
2201         (Archive::should_include_member): Move to base class.
2202         (Archive::do_for_all_unused_symbols): New function.
2203         (Add_archive_symbols::run): Remove redundant access to
2204         incremental_inputs.
2205         (Lib_group::Lib_group): Initialize base class.
2206         (Lib_group::do_filename): New function.
2207         (Lib_group::include_member): Pass pointer to Lib_group to
2208         report_object.
2209         (Lib_group::do_for_all_unused_symbols): New function.
2210         (Add_lib_group_symbols::run): Report archive information for
2211         incremental links.
2212         * archive.h (class Library_base): New base class.
2213         (class Archive): Derive from Library_base.
2214         (Archive::filename): Move to base class.
2215         (Archive::set_incremental_info): Likewise.
2216         (Archive::incremental_info): Likewise.
2217         (Archive::Should_include): Likewise.
2218         (Archive::should_include_member): Likewise.
2219         (Archive::Armap_entry): Remove.
2220         (Archive::Unused_symbol_iterator): Remove.
2221         (Archive::unused_symbols_begin): Remove.
2222         (Archive::unused_symbols_end): Remove.
2223         (Archive::do_filename): New function.
2224         (Archive::do_get_mtime): New function.
2225         (Archive::do_for_all_unused_symbols): New function.
2226         (Archive::task_): Move to base class.
2227         (Archive::incremental_info_): Likewise.
2228         (class Lib_group): Derive from Library_base.
2229         (Lib_group::do_filename): New function.
2230         (Lib_group::do_get_mtime): New function.
2231         (Lib_group::do_for_all_unused_symbols): New function.
2232         (Lib_group::task_): Move to base class.
2233         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2234         function.
2235         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2236         function.
2237         * incremental.cc (Incremental_inputs::report_archive_begin):
2238         Use Library_base; call library's get_mtime; add incremental inputs
2239         entry before members.
2240         (class Unused_symbol_visitor): New class.
2241         (Incremental_inputs::report_archive_end): Use Library_base; use
2242         visitor class to record unused symbols; don't add incremental inputs
2243         entry after members.
2244         (Incremental_inputs::report_object): Use Library_base.
2245         * incremental.h
2246         (Incremental_archive_entry::Incremental_archive_entry): Remove
2247         unused Archive parameter.
2248         (Incremental_inputs::report_archive_begin): Use Library_base.
2249         (Incremental_inputs::report_archive_end): Likewise.
2250         (Incremental_inputs::report_object): Likewise.
2251         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2252         function.
2253         * object.h (Object::for_all_global_symbols): New function.
2254         (Object::do_for_all_global_symbols): New function.
2255         (Sized_relobj::do_for_all_global_symbols): New function.
2256         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2257         function.
2258         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2259         function.
2260
2261 2011-03-27  Ian Lance Taylor  <iant@google.com>
2262
2263         * archive.cc (Archive::interpret_header): Return -1 if something
2264         goes wrong.  Change callers accordingly.
2265
2266 2011-03-25  Cary Coutant  <ccoutant@google.com>
2267
2268         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2269         * testsuite/Makefile.in: Regenerate.
2270
2271 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2272
2273         * plugin.cc (get_view): New.
2274         (Plugin::load): Pass get_view to the plugin.
2275         (Plugin_manager::get_view): New.
2276
2277 2011-03-21  Ian Lance Taylor  <iant@google.com>
2278
2279         * testsuite/final_layout.sh: Rewrite to not use dc.
2280         * testsuite/relro_test.sh: Fail if dc is not present.
2281
2282 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2283
2284         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2285         Change == to -eq.
2286         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2287         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2288         Change == to -eq.
2289         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2290         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2291
2292 2011-03-14  Ian Lance Taylor  <iant@google.com>
2293
2294         * script-sections.cc (Sort_output_sections::script_compare):
2295         Rename from is_before, change return type.
2296         (Sort_output_sections::operator()): Adjust accordingly.
2297
2298 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2299
2300         PR gold/12572
2301         * testsuite/odr_violation2.cc: Add comment to make all error line
2302         numbers double digits.
2303         * testsuite/debug_msg.sh: Adjust expected errors.
2304
2305 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2306
2307         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2308         but mark earlier ones as non-canonical
2309         (offset_to_iterator): Update search target and example
2310         (do_addr2line): Return extra lines in a vector*
2311         (format_file_lineno): Extract from do_addr2line
2312         (one_addr2line): Add vector* out-param
2313         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2314         when a lineno entry appeared last for its instruction
2315         (Dwarf_line_info): Add vector* out-param
2316         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2317         * symtab.cc (Odr_violation_compare): Include the lineno in the
2318         comparison again.
2319         (linenos_from_loc): New. Combine the canonical line for an
2320         address with its other lines.
2321         (True_if_intersect): New. Helper functor to make
2322         std::set_intersection a query.
2323         (detect_odr_violations): Compare sets of lines instead of just
2324         one line for each function. This became less deterministic, but
2325         has fewer false positives.
2326         * symtab.h: Declarations.
2327         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2328         mix an optimized and non-optimized object in the same binary
2329         (odr_violation2.so): Same.
2330         * testsuite/Makefile.in: Regenerate from Makefile.am.
2331         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2332         * testsuite/debug_msg.sh: Update line numbers and add
2333         assertions.
2334         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2335         non-optimized context.
2336         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2337         isn't inlined, and use OdrDerived in an optimized context.
2338         * testsuite/odr_header1.h: Defines OdrDerived, where
2339         optimization will change the
2340         first-instruction-in-the-destructor's file and line number.
2341         * testsuite/odr_header2.h: Defines OdrBase.
2342
2343 2011-03-09  Ian Lance Taylor  <iant@google.com>
2344
2345         * fileread.cc (File_read::clear_views): Don't delete the whole
2346         file view.
2347
2348 2011-03-08  Ian Lance Taylor  <iant@google.com>
2349
2350         PR gold/12525
2351         * fileread.cc: #include <climits>.
2352         (GOLD_IOV_MAX): Define.
2353         (File_read::read_multiple): Limit number of entries by iov_max.
2354         * fileread.h (class File_read): Always set max_readv_entries to
2355         128.
2356
2357 2011-03-07  Ian Lance Taylor  <iant@google.com>
2358
2359         PR gold/12525
2360         * options.h (class General_options): Add -dy and -dn.
2361
2362 2011-03-02  Cary Coutant  <ccoutant@google.com>
2363
2364         * testsuite/script_test_9.t: Add TLS segment.
2365
2366 2011-03-02  Simon Baldwin  <simonb@google.com>
2367
2368         * configure.ac: Add check for gnu_indirect_function support in
2369         the toolchain building binutils.
2370         * configure: Rebuild.
2371
2372 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2373
2374         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2375         plugin only symbols.
2376         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2377         in plugin files as not needed in the symbol table.
2378
2379 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2380
2381         * output.cc (Output_section::add_input_section): Delay fill
2382         generation for section ordering.
2383
2384 2011-02-09  Ian Lance Taylor  <iant@google.com>
2385
2386         PR gold/12316
2387         * object.h (class Sized_relobj): Remove clear_local_symbols.
2388         * reloc.cc (Sized_relobj::do_relocate): Don't call
2389         clear_local_symbols.
2390
2391 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2392
2393         * plugin.cc (is_visible_from_outside): Return true for symbols
2394         in the -u option.
2395
2396 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2397
2398         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2399         filename.
2400
2401 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2402
2403         * icf.h (is_section_foldable_candidate): Change type of parameter
2404         to std::string.
2405         * icf.cc (Icf::find_identical_sections): Change type of local variable
2406         section_name to be std::string.
2407         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2408
2409 2011-01-25  Ian Lance Taylor  <iant@google.com>
2410
2411         * script.cc (script_add_extern): Rewrite to use
2412         add_symbol_reference.
2413
2414 2011-01-25  Doug Kwan  <dougkwan@google.com>
2415
2416         * icf.cc (get_section_contents): Always lock section's object.
2417
2418 2011-01-24  Ian Lance Taylor  <iant@google.com>
2419
2420         * options.h (class General_options): Accept
2421         --no-detect-odr-violations.
2422
2423 2011-01-24  Ian Lance Taylor  <iant@google.com>
2424
2425         * version.cc (version_string): Bump to 1.11.
2426
2427 2011-01-24  Ian Lance Taylor  <iant@google.com>
2428
2429         * plugin.cc (class Plugin_rescan): Define new class.
2430         (Plugin_manager::claim_file): Set any_claimed_.
2431         (Plugin_manager::save_archive): New function.
2432         (Plugin_manager::save_input_group): New function.
2433         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2434         necessary.
2435         (Plugin_manager::new_undefined_symbol): New function.
2436         (Plugin_manager::rescan): New function.
2437         (Plugin_manager::rescannable_defines): New function.
2438         (Plugin_manager::add_input_file): Set any_added_.
2439         * plugin.h (class Plugin_manager): define new fields rescannable_,
2440         undefined_symbols_, any_claimed_, and any_added_.  Declare
2441         Plugin_rescan as friend.  Declare new functions.
2442         (Plugin_manager::Rescannable): Define type.
2443         (Plugin_manager::Rescannable_list): Define type.
2444         (Plugin_manager::Undefined_symbol_list): Define type.
2445         (Plugin_manager::Plugin_manager): Initialize new fields.
2446         * archive.cc (Archive::defines_symbol): New function.
2447         (Add_archive_symbols::run): Pass archive to plugins if any.
2448         * archive.h (class Archive): Declare defines_symbol.
2449         * readsyms.cc (Input_group::~Input_group): New function.
2450         (Finish_group::run): Pass input_group to plugins if any.
2451         * readsyms.h (class Input_group): Declare destructor.
2452         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2453         any.
2454
2455 2011-01-10  Ian Lance Taylor  <iant@google.com>
2456
2457         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2458         section as relro.
2459         (Layout::set_segment_offsets): Reset increase_relro before calling
2460         set_section_addresses a second time.
2461
2462 2011-01-04  Cary Coutant  <ccoutant@google.com>
2463
2464         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2465         sections before NOBITS sections.
2466
2467 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2468
2469         * version.cc (print_version): Update copyright to 2011.
2470
2471 2010-12-23  Cary Coutant  <ccoutant@google.com>
2472
2473         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2474         of OS to this->add.  Add OD parameter to second form of the function.
2475
2476 2010-12-20  Ian Lance Taylor  <iant@google.com>
2477
2478         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2479         second of two consecutive entries with same offset.
2480
2481 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2482
2483         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2484         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2485         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2486         to avoid unneeded links against $(LDADD).
2487         * testsuite/Makefile.in: Regenerate.
2488
2489 2010-12-15  Ian Lance Taylor  <iant@google.com>
2490
2491         PR gold/12324
2492         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2493         for R_X86_64_32 and R_X86_64_PC32.
2494         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2495         ver_matching_def_pic.o.
2496         (ver_matching_def_pic.o): New target.
2497
2498 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2499
2500         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2501         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2502         Move definition before File_read::View member definitions.
2503         (File_read::View::~View): Initialize and hold lock before
2504         updating current_mapped_bytes.
2505
2506 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2507
2508         * dwarf_reader.cc: Remove outdated comment.
2509         * gold-threads.cc: Fix typo in error message.
2510         * archive.cc: Fix typos in comments.
2511         * archive.h: Likewise.
2512         * arm-reloc-property.cc: Likewise.
2513         * arm-reloc-property.h: Likewise.
2514         * arm-reloc.def: Likewise.
2515         * arm.cc: Likewise.
2516         * attributes.h: Likewise.
2517         * cref.cc: Likewise.
2518         * ehframe.cc: Likewise.
2519         * fileread.h: Likewise.
2520         * gold.h: Likewise.
2521         * i386.cc: Likewise.
2522         * icf.cc: Likewise.
2523         * incremental.h: Likewise.
2524         * int_encoding.cc: Likewise.
2525         * layout.h: Likewise.
2526         * main.cc: Likewise.
2527         * merge.h: Likewise.
2528         * object.cc: Likewise.
2529         * object.h: Likewise.
2530         * options.cc: Likewise.
2531         * readsyms.cc: Likewise.
2532         * reduced_debug_output.cc: Likewise.
2533         * reloc.cc: Likewise.
2534         * script-sections.cc: Likewise.
2535         * sparc.cc: Likewise.
2536         * symtab.h: Likewise.
2537         * target-reloc.h: Likewise.
2538         * target.cc: Likewise.
2539         * target.h: Likewise.
2540         * timer.cc: Likewise.
2541         * timer.h: Likewise.
2542         * x86_64.cc: Likewise.
2543
2544 2010-12-09  Cary Coutant  <ccoutant@google.com>
2545
2546         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2547         stack.
2548         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2549         parameter; change all callers.
2550         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2551         * options.h (warn_execstack): New option.
2552
2553 2010-12-07  Doug Kwan  <dougkwan@google.com>
2554
2555         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2556         like function call relocations.
2557
2558 2010-12-07  Ian Lance Taylor  <iant@google.com>
2559
2560         * archive.cc (Archive::get_elf_object_for_member): Permit
2561         punconfigured to be NULL.
2562         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2563         (Archive::include_member): Pass NULL to get_elf_object_for_member
2564         if we searched for the archive and this is the first included
2565         object.
2566
2567 2010-12-01  Ian Lance Taylor  <iant@google.com>
2568
2569         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2570         track_relocs_type_ field.
2571         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2572         Set track_relocs_type_.
2573         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2574         contents when using RELA relocs.
2575         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2576         reloc_map_.
2577         * reloc.cc (Track_relocs::next_addend): New function.
2578         * reloc.h (class Track_relocs): Declare next_addend.
2579
2580 2010-12-01  Ian Lance Taylor  <iant@google.com>
2581
2582         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2583         virtual destructor.
2584
2585 2010-12-01  Ian Lance Taylor  <iant@google.com>
2586
2587         * README: Update compilers known to work and fail.
2588
2589 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2590
2591         * configure.in: For --enable-gold, handle value `default' instead of
2592         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2593         not the default.
2594         * configure: Regenerate.
2595
2596 2010-11-18  Doug Kwan  <dougkwan@google.com>
2597
2598         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2599         and right_alignment to be zero.  Store result alignment only if it is
2600         greater than existing alignment.
2601
2602 2010-11-16  Cary Coutant  <ccoutant@google.com>
2603
2604         PR gold/12220
2605         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2606         Check for ".zdebug_line".
2607
2608 2010-11-16  Doug Kwan  <dougkwan@google.com>
2609             Cary Coutant  <ccoutant@google.com>
2610
2611         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2612         by reference; adjust all callers.
2613         * output.cc (Output_segment::set_section_addresses): Adjust references
2614         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2615         list is empty.
2616         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2617         end at page boundary.
2618
2619 2010-11-16  Cary Coutant  <ccoutant@google.com>
2620
2621         PR gold/12220
2622         * layout.cc (Layout::choose_output_section): Transform names of
2623         compressed sections even when using a script with a SECTIONS clause.
2624         (Layout::output_section_name): Remove code to transform
2625         compressed debug section names.
2626         * output.cc (Output_section::add_input_section): Use uncompressed
2627         section size when tracking input sections.
2628
2629 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2630
2631         * symtab.h (Symbol::NON_PIC_REF): Remove.
2632         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2633         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2634         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2635         (Symbol::use_plt_offset): Take a flags argument and pass it
2636         directly to needs_dynamic_reloc.  Restrict check for undefined
2637         weak symbols to function calls.
2638         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2639         (Target_arm::Scan::global): Use it.
2640         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2641         (Target_arm::Relocate::relocate): Likewise.
2642         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2643         parameter with an r_type parameter.  Use get_reference_flags
2644         to get the flags.
2645         (Target_arm::Relocate::relocate): Update accordingly.
2646         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2647         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2648         (Target_i386::Scan::global): Likewise.
2649         (Target_i386::Relocate::relocate): Likewise.
2650         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2651         parameter with an r_type parameter.  Use get_reference_flags
2652         to get the flags.
2653         (Target_i386::Relocate::relocate): Update accordingly.
2654         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2655         (Target_powerpc::Scan::global): Use it.
2656         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2657         (Target_powerpc::Relocate::relocate): Likewise.
2658         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2659         (Target_sparc::Scan::global): Use it.
2660         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2661         (Target_sparc::Relocate::relocate): Likewise.
2662         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2663         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2664         (Target_x86_64::Scan::global): Likewise.
2665         (Target_x86_64::Relocate::relocate): Likewise.
2666
2667 2010-11-08  Doug Kwan  <dougkwan@google.com>
2668             Cary Coutant  <ccoutant@google.com>
2669
2670         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2671         (Arm_exidx_merge_section::section_contents_): New data member.
2672         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2673         (Arm_input_section::~Arm_input_section): De-allocate memory.
2674         (Arm_input_section::original_contents_): New data member.
2675         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2676         in parameters instead of calling Object::section_contents without
2677         locking.
2678         (Arm_output_section::group_section): New parameter TASK.  Pass it
2679         to callees that need locking objects.
2680         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2681         to lock EXIDX input sections.  Fix a formatting issue.  Call
2682         Arm_exidx_merged_section::build_contents to create merged section
2683         contents.
2684         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2685         to lock object of stub table owner.
2686         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2687         TEXT_SIZE to initialize data member TEXT_SIZE_.
2688         (Arm_exidx_input_section::addralign): Fix typo in comment.
2689         (Arm_exidx_input_section::text_size): New method.
2690         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2691         that require locking objects.  Lock objects before scanning for stubs
2692         and updating local symbols.
2693         (Arm_input_section<big_endian>::init): Copy contents of original
2694         input section.
2695         (Arm_input_section<big_endian>::do_write): Use saved contents of
2696         original input section instead of calling Object::section_contents
2697         without locking.
2698         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2699         size without calling Object::section_size().
2700         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2701         for size.  Allocate a buffer for merged EXIDX entries.
2702         (Arm_exidx_merged_section::build_contents): New method.
2703         (Arm_exidx_merged_section::do_write): Move merge section contents
2704         building code to Arm_exidx_merged_section::build_contetns.  Write
2705         out contetns in buffer instead of building it on the fly.
2706         (Arm_relobj::make_exidx_input_section): Also pass text section size
2707         to Arm_exidx_input_section constructor.
2708         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2709         (Arm_dynobj::do_read_symbols): Fix memory leak.
2710         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2711         * target.h: (class Task): Add forward declaration.
2712         (Target::relax): Add new parameter TASK and pass it to
2713         Target::do_relax().
2714         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2715
2716 2010-11-05  Cary Coutant  <ccoutant@google.com>
2717
2718         PR gold/10708
2719         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2720         object when reading from the file.
2721         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2722         second layout pass.
2723         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2724         when reading section contents.
2725         (get_section_contents): Likewise.
2726         (icf::find_identical_sections): Likewise.
2727         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2728         object when reading from the file.
2729         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2730         the object when doing deferred section layout.
2731
2732 2010-11-03  Nick Clifton  <nickc@redhat.com>
2733
2734         PR gold/12001
2735         * script.h (class Symbol_assignment: name): New member.  Returns
2736         the name of the symbol.
2737         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2738         Returns true if the given symbol name is on the list of
2739         assignments wating to be processed.
2740         * archive.cc (should_incldue_member): If the symbol is undefined,
2741         check to see if it is on the list of symbols pending assignment.
2742
2743 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2744
2745         * script-sections.cc (Script_sections::find_memory_region): Check
2746         for a NULL output section pointer.
2747
2748 2010-10-29  Doug Kwan  <dougkwan@google.com>
2749
2750         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2751         Output_section::add_relaxed_input_section.
2752         * output.cc (Output_section::add_relaxed_input_section): Add new
2753         arguments LAYOUT and NAME.  Set section order index.
2754         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2755         Copy section order index.
2756         * output.h (Output_section::add_relaxed_input_section): Add new
2757         arguments LAYOUT and NAME.
2758
2759 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2760
2761         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2762         NATIVE_OR_CROSS_LINKER.
2763         * testsuite/Makefile.in: Regenerate.
2764
2765 2010-10-20  Doug Kwan  <dougkwan@google.com>
2766
2767         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2768         without SHF_LINK_ORDER flags.
2769         * layout.cc (Layout::choose_output_section): Do not filter
2770         SHF_LINK_ORDER flag in a relocatable link.
2771
2772 2010-10-17  Cary Coutant  <ccoutant@google.com>
2773
2774         * output.h (Output_segment::set_section_addresses): Change function
2775         signature.  Update all callers.
2776         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2777         sections.
2778         (Output_segment::set_section_addresses): Align after last TLS
2779         section.  Add padding before last relro section instead of after.
2780
2781 2010-10-17  Doug Kwan  <dougkwan@google.com>
2782
2783         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2784         GOT output section to be writable.
2785
2786 2010-10-14  Cary Coutant  <ccoutant@google.com>
2787
2788         * debug.h (DEBUG_INCREMENTAL): New flag.
2789         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2790         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2791         mode.
2792         * incremental.cc (report_command_line): Ignore all forms of
2793         --incremental.
2794         * layout.cc (Layout::Layout): Check parameters for incremental link
2795         mode.
2796         * options.cc (General_options::parse_incremental): New function.
2797         (General_options::parse_no_incremental): New function.
2798         (General_options::parse_incremental_full): New function.
2799         (General_options::parse_incremental_update): New function.
2800         (General_options::incremental_mode_): New data member.
2801         (General_options::finalize): Check incremental_mode_.
2802         * options.h (General_options): Update help text for --incremental.
2803         Add --no-incremental, --incremental-full, --incremental-update.
2804         (General_options::Incremental_mode): New enum type.
2805         (General_options::incremental_mode): New function.
2806         (General_options::incremental_mode_): New data member.
2807         * parameters.cc (Parameters::incremental_mode_): New data member.
2808         (Parameters::set_options): Set incremental_mode_.
2809         (Parameters::set_incremental_full): New function.
2810         (Parameters::incremental): New function.
2811         (Parameters::incremental_update): New function.
2812         (set_parameters_incremental_full): New function.
2813         * parameters.h (Parameters::set_incremental_full): New function.
2814         (Parameters::incremental): New function.
2815         (Parameters::incremental_update): New function.
2816         (Parameters::incremental_mode_): New data member.
2817         (set_parameters_incremental_full): New function.
2818         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2819         incremental link mode.
2820         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2821         (Sized_relobj::do_relocate_sections): Likewise.
2822         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2823         option.
2824         * testsuite/Makefile.in: Regenerate.
2825         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2826
2827 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2828
2829         * script-sections.h (class Script_sections): Make
2830         Sections_elements typedef public.
2831         * script-sections.cc (class Sort_output_sections): Add elements_
2832         field.  Add constructor which sets it; change all callers.
2833         (Sort_output_sections::is_before): New function.
2834         (Sort_output_sections::operator()): Call is_before.
2835         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2836         conditional.
2837         * testsuite/script_test_10.sh: New test. Test script section
2838         order.
2839         * testsuite/script_test_10.t: Likewise.
2840         * testsuite/script_test_10.s: Likewise.
2841         * testsuite/Makefile.am: Wrap the cross linker tests and the
2842         common tests into NATIVE_OR_CROSS_LINKER.
2843         (check_SCRIPTS): Add script_test_10.sh.
2844         (check_DATA): Add script_test_10.stdout.
2845         (script_test_10.o, script_test_10): New targets.
2846         (script_test_10.stdout): New target.
2847         * configure, testsuite/Makefile.in: Regenerate.
2848
2849 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2850
2851         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2852         error for the deprecated relocations.
2853         (Target_arm::Scan::global): Likewise.
2854         (Target_arm::Relocate::relocate): Likewise.
2855
2856 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2857
2858         * fileread.cc (Input_file::find_file): Initialize *found_name
2859         and *namep when using the fallback search for case 4.
2860
2861 2010-10-11  Cary Coutant  <ccoutant@google.com>
2862
2863         * options.h (class General_options): Redefine -z lazy as an alias for
2864         the negation of -z now.
2865
2866 2010-10-11  Ian Lance Taylor  <iant@google.com>
2867
2868         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2869         binding.
2870
2871 2010-10-06  Nick Clifton  <nickc@redhat.com>
2872
2873         * script-sections.cc(class Memory_region): Remove
2874         current_lma_offset_ field.  Rename current_vma_offset_ to
2875         current_offset_.  Add last_section_ field.
2876         (Memory_region::get_current_vma_address): Rename to
2877         get_current_address.
2878         (Memory_region::get_current_lma_address): Delete.
2879         (Memory_region::increment_vma_offset): Rename to
2880         increment_offset.
2881         (Memory_region::increment_lma_offset): Delete.
2882         (Memory_region::attributes_compatible): New method.  Returns
2883         true if the provided section is compatible with the region.
2884         (Memory_region::get_last_section): New method.  Returns the last
2885         section to use the region.
2886         (Memory_region::set_last_section): New method.  Stores the last
2887         section to use the region.
2888         (Script_sections::block_in_region): New method.  Returns true if
2889         a block of memory is contained within a region.
2890         (Script_sections::find_memory_region): New method.  Locates a
2891         memory region to be used to set a VMA or LMA address.
2892         (Output_section_definition::set_section_addresses): Add code to
2893         check for addresses set by memory regions.
2894         (Output_segment::set_section_addresses): Remove memory region
2895         walking code.
2896         (Script_sections::create_segment): Add a warning if a header
2897         segment is created outside of any region.
2898         * script-sections.h (class Script_sections): Add prototypes for
2899         find_memory_region and block_in_region methods.
2900         * testsuite/memory_test.s: Use .long instead of .word.
2901         * testsuite/memory_test.t: Add some more output sections.
2902         * testsuite/memory_test.sh: Update expected output.
2903
2904 2010-10-02  Doug Kwan  <dougkwan@google.com>
2905
2906         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2907         defintion to symtab.h
2908         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2909         declaration to defintion.
2910
2911 2010-10-01  Nick Clifton  <nickc@redhat.com>
2912
2913         * expression.cc (eval): Replace dummy argument with NULL.
2914         (eval_maybe_dot): Check for a NULL result section pointer.
2915         (Symbol_expression::value): Likewise.
2916         (Dot_expression::value): Likewise.
2917         (BINARY_EXPRESSION): Likewise.
2918         (Max_expression::value): Likewise.
2919         (Min_expression::value): Likewise.
2920         (Absolute_expression::value): Likewise.
2921         (Addr_expression::value_from_output_section): Likewise.
2922         (Loaddddr_expression::value_from_output_section): Likewise.
2923         (Segment_start_expression::value): Likewise.
2924         * script-sections.cc
2925         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2926         argument with NULL.
2927         (Sections_elememt_dot_assignment::set_section_addresses):
2928         Likewise.
2929         (Output_data_expression::do_write_to_buffer): Likewise.
2930         (Output_section_definition::finalize_symbols): Likewise.
2931         (Output_section_definition::set_section_addresses): Likewise.
2932
2933 2010-09-30  Doug Kwan  <dougkwan@google.com>
2934
2935         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2936
2937 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2938
2939         * target.h (Target::can_icf_inline_merge_sections): New virtual
2940         function.
2941         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2942         virtual function.
2943         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2944         virtual function.
2945         * icf.cc (get_section_contents): Inline merge sections only when
2946         target allows it.
2947
2948 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2949
2950         * configure: Regenerate.
2951
2952 2010-09-17  Ian Lance Taylor  <iant@google.com>
2953
2954         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2955         * testsuite/Makefile.am (memory_test.o): New target.
2956         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2957         memory_test.t.
2958         * testsuite/Makefile.in: Rebuild.
2959
2960 2010-09-17  Doug Kwan  <dougkwan@google.com>
2961
2962         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2963         defintion if relocation uses GOT entries of the symbol.
2964         * testsuite/icf_safe_test.sh: Fix test.
2965         * testsuite/icf_safe_so_test.sh: Fix test.
2966
2967 2010-09-16  Cary Coutant  <ccoutant@google.com>
2968
2969         * script_sections.cc (class Memory_region): Remove "NULL" from
2970         vector initializations.
2971
2972 2010-09-15  Cary Coutant  <ccoutant@google.com>
2973
2974         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2975         Resolve forwarding symbols.
2976
2977 2010-09-15  Doug Kwan  <dougkwan@google.com>
2978
2979         * gold/testsuite/script_test_3.t: Add ARM special sections.
2980         * gold/testsuite/script_test_4.t: Same.
2981         * gold/testsuite/script_test_5.t: Same.
2982         * gold/testsuite/script_test_6.t: Same.
2983         * gold/testsuite/script_test_7.t: Same.
2984         * gold/testsuite/script_test_7.t: Same.
2985         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2986
2987 2010-09-14  Cary Coutant  <ccoutant@google.com>
2988
2989         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2990         (Target_x86_64::Relocate::relocate_tls): Replace check for
2991         saw_tls_block_reloc_ with test for executable section.
2992
2993 2010-09-12  Cary Coutant  <ccoutant@google.com>
2994
2995         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2996         position-independent executables to shared libraries need dynamic
2997         relocations.
2998         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2999         position-independent executables.
3000         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3001         * testsuite/Makefile.in: Regenerate.
3002
3003 2010-09-10  Nick Clifton  <nickc@redhat.com>
3004
3005         PR gold/11997
3006         * testsuite/memory_test.t: Discard any sections that are not
3007         needed.
3008
3009 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3010
3011         PR gold/11996
3012         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3013         "This::" to work around a bug in gcc 4.2.
3014
3015         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3016
3017 2010-09-09  Rafael Espindola  <espindola@google.com>
3018
3019         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3020         sections with different PF_X flags in the same segment.
3021         (Layout::find_first_load_seg): Search all segments to find the first
3022         one.
3023         * options.h (rosegment): New.
3024
3025 2010-09-08  Rafael Espindola  <espindola@google.com>
3026
3027         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3028
3029 2010-09-08  Doug Kwan  <dougkwan@google.com>
3030
3031         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3032         (Arm_relobj::do_relocate_sections): Add new parameter for output
3033         file to match the parent.
3034         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3035         of local symbols instead of input values.  Update code to track
3036         changes in gold::relocate_section.
3037         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3038         (Sized_relobj::compute_final_local_value_internal): New methods.
3039         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3040         body into private version of Sized_relobj::compute_final_local_value.
3041         Call the inline method.
3042         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3043         merged symbol value if there is one.
3044         (Symbol_value::has_output_value): New method defintiion.
3045         (Sized_relobj::Compute_final_local_value_status): New enum type.
3046         (Sized_relobj::compute_final_local_value): New methods.
3047         (Sized_relobj::compute_final_local_value_internal): New methods.
3048         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3049         and arm_cortex_a8.sh.
3050         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3051         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3052         New tests.
3053         * Makefile.in: Regenerate.
3054         * testsuite/arm_bl_out_of_range.s: Update test.
3055         * testsuite/thumb_bl_out_of_range.s: Ditto.
3056         * testsuite/thumb_blx_out_of_range.s: Ditto.
3057         * testsuite/arm_branch_out_of_range.sh: New file.
3058         * testsuite/arm_cortex_a8.sh: Ditto.
3059         * testsuite/arm_cortex_a8_b.s: Ditto.
3060         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3061         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3062         * testsuite/arm_cortex_a8_bl.s: Ditto.
3063         * testsuite/arm_cortex_a8_blx.s: Ditto.
3064         * testsuite/arm_cortex_a8_local.s: Ditto.
3065         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3066         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3067
3068 2010-09-08  Rafael Espindola  <espindola@google.com>
3069
3070         * Makefile.am (memory_test.stdout): Run readelf with -W.
3071         * Makefile.in: Regenerate.
3072         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3073         64 bit output.
3074
3075 2010-09-08  Rafael Espindola  <espindola@google.com>
3076
3077         * script-sections.cc (Script_sections::add_memory_region): Convert
3078         field precision to int.
3079         * script.cc (script_set_section_region, script_set_section_region):
3080         Convert field precision to int.
3081
3082 2010-09-08  Rafael Espindola  <espindola@google.com>
3083
3084         * arm.cc (do_finalize_sections): Create the __exidx_start and
3085         __exdix_end symbols even when the section is missing.
3086
3087 2010-09-08  Nick Clifton  <nickc@redhat.com>
3088
3089         * README: Remove claim that MEMORY is not supported.
3090         * expression.cc (script_exp_function_origin)
3091         (script_exp_function_length): Move from here to ...
3092         * script.cc: ... here.
3093         (script_set_section_region, script_add_memory)
3094         (script_parse_memory_attr, script_include_directive): New
3095         functions.
3096         * script-sections.cc
3097         (class Memory_region): New class.
3098         (class Output_section_definition): Add set_memory_region,
3099         set_section_vma, set_section_lma and get_section_name methods.
3100         (class Script_Sections): Add add_memory_region,
3101         find_memory_region, find_memory_region_origin,
3102         find_memory_region_length and set_memory_region methods.
3103         Have set_section_addresses method walk the list of set memory
3104         regions.
3105         Extend the print methos to display memory regions.
3106         * script-sections.h: Add prototypes for new methods.
3107         Add enum for MEMORY region attributes.
3108         * yyscript.y: Add support for parsing MEMORY regions.
3109         * script-c.h: Add prototypes for new functions.
3110         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3111         * testsuite/Makefile.in: Regenerate.
3112         * testsuite/memory_test.sh: New script.
3113         * testsuite/memory_test.s: New assembler source file.
3114         * testsuite/memory_test.t: New linker script.
3115
3116 2010-08-27  Doug Kwan  <dougkwan@google.com>
3117
3118         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3119         reference override an existing dynamic weak reference.
3120         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3121         * testsuite/Makefile.in: Regenerate.
3122         * testsuite/dyn_weak_ref.sh: New file.
3123         * testsuite/dyn_weak_ref_1.c: Ditto.
3124         * testsuite/dyn_weak_ref_2.c: Ditto.
3125
3126 2010-08-27  Ian Lance Taylor  <iant@google.com>
3127
3128         * incremental.h (class Incremental_input_entry): Add virtual
3129         destructor.
3130
3131 2010-08-27  Ian Lance Taylor  <iant@google.com>
3132
3133         * testsuite/start_lib_test_3.c: Mark t3 as used.
3134
3135 2010-08-27  Nick Clifton  <nickc@redhat.com>
3136
3137         * options.cc (version_script): Fix small typo in previous
3138         whitespace tidyup.
3139
3140 2010-08-25  Nick Clifton  <nickc@redhat.com>
3141
3142         * archive.cc: Formatting fixes: Remove whitespace between
3143         typename and following asterisk.  Remove whitespace between
3144         function name and opening parenthesis.
3145         * archive.h: Likewise.
3146         * arm.cc: Likewise.
3147         * attributes.cc: Likewise.
3148         * attributes.h: Likewise.
3149         * common.cc: Likewise.
3150         * copy-relocs.cc: Likewise.
3151         * dirsearch.h: Likewise.
3152         * dynobj.cc: Likewise.
3153         * ehframe.cc: Likewise.
3154         * ehframe.h: Likewise.
3155         * expression.cc: Likewise.
3156         * fileread.cc: Likewise.
3157         * fileread.h: Likewise.
3158         * gc.h: Likewise.
3159         * gold-threads.cc: Likewise.
3160         * gold.cc: Likewise.
3161         * i386.cc: Likewise.
3162         * icf.h: Likewise.
3163         * incremental-dump.cc: Likewise.
3164         * incremental.cc: Likewise.
3165         * layout.cc: Likewise.
3166         * layout.h: Likewise.
3167         * main.cc: Likewise.
3168         * merge.cc: Likewise.
3169         * merge.h: Likewise.
3170         * object.cc: Likewise.
3171         * object.h: Likewise.
3172         * options.cc: Likewise.
3173         * options.h: Likewise.
3174         * output.cc: Likewise.
3175         * output.h: Likewise.
3176         * plugin.cc: Likewise.
3177         * plugin.h: Likewise.
3178         * powerpc.cc: Likewise.
3179         * reloc.cc: Likewise.
3180         * script-c.h: Likewise.
3181         * script-sections.cc: Likewise.
3182         * script.cc: Likewise.
3183         * stringpool.cc: Likewise.
3184         * symtab.cc: Likewise.
3185         * symtab.h: Likewise.
3186         * target.cc: Likewise.
3187         * timer.cc: Likewise.
3188         * timer.h: Likewise.
3189         * version.cc: Likewise.
3190         * x86_64.cc: Likewise.
3191
3192 2010-08-24  Nick Clifton  <nickc@redhat.com>
3193
3194         PR 11899
3195         * layout.cc (segment_precedes): Sort segments by their physical
3196         addresses, if they have been set.
3197
3198 2010-08-23  Cary Coutant  <ccoutant@google.com>
3199
3200         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3201         symbols data.
3202         (Lib_group::include_member): Unlock object after deleting its
3203         symbols data.
3204         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3205         the bug fixed here.
3206
3207 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3208             Cary Coutant  <ccoutant@google.com>
3209
3210         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3211         constructor, and set_blocker.
3212         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3213         readsyms_blocker_.
3214         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3215         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3216         * testsuite/Makefile.am (start_lib_test): New test case.
3217         * testsuite/Makefile.in: Regenerate.
3218         * testsuite/start_lib_test_main.c: New file.
3219         * testsuite/start_lib_test_1.c: New file.
3220         * testsuite/start_lib_test_2.c: New file.
3221         * testsuite/start_lib_test_3.c: New file.
3222
3223 2010-08-19  Ian Lance Taylor  <iant@google.com>
3224
3225         * Makefile.in: Rebuild with automake 1.11.1.
3226         * aclocal.m4: Likewise.
3227         * testsuite/Makefile.in: Likewise.
3228
3229 2010-08-19  Ian Lance Taylor  <iant@google.com>
3230
3231         PR 10893
3232         * i386.cc (class Output_data_plt_i386): Update declarations.
3233         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3234         local_ifuncs_ fields.
3235         (Target_i386::do_plt_section_for_global): New function.
3236         (Target_i386::do_plt_section_for_local): New function.
3237         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3238         parameter; change all callers.  Initialize global_ifuncs_ and
3239         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3240         __rel_iplt_end.
3241         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3242         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3243         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3244         symbols.
3245         (Target_i386::make_plt_section): New function, broken out of
3246         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3247         (Target_i386::make_plt_entry): Call make_plt_section.
3248         (Target_i386::make_local_ifunc_plt_entry): New function.
3249         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3250         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3251         R_386_IRELATIVE to switch.
3252         (Target_i386::Scan::global): Likewise.
3253         (Target_i386::Relocate::relocate): Likewise.
3254         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3255         switch.
3256         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3257         (Target_x86_64::do_plt_section_for_global): New function.
3258         (Target_x86_64::do_plt_section_for_local): New function.
3259         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3260         parameter; change all callers.  If doing a static link define
3261         __rela_iplt_start and __rela_iplt_end.
3262         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3263         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3264         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3265         to point to .plt.
3266         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3267         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3268         switch.
3269         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3270         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3271         R_X86_64_IRELATIVE to switch.
3272         (Target_x86_64::Scan::global): Likewise.
3273         (Target_x86_64::Relocate::relocate): Likewise.
3274         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3275         switch.
3276         * target.h (class Target): Add plt_section_for_global and
3277         plt_section_for_local functions.  Add do_plt_section_for_global
3278         and do_plt_section_for_local virtual functions.
3279         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3280         clarifying comments.
3281         (Symbol::use_plt_offset): Handle IFUNC symbol.
3282         * object.cc (Sized_relobj::Sized_relobj): Initialize
3283         local_plt_offsets_.
3284         (Sized_relobj::local_has_plt_offset): New function.
3285         (Sized_relobj::local_plt_offset): New function.
3286         (Sized_relobj::set_local_plt_offset): New function.
3287         (Sized_relobj::do_count): Handle IFUNC symbol.
3288         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3289         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3290         is_ifunc_symbol functions.
3291         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3292         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3293         local_plt_offsets_ field.
3294         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3295         * output.h (class Output_section_data): Add non-const
3296         output_section function.
3297         (class Output_data_got): Update declarations.
3298         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3299         Add use_plt_offset parameter to global and local constructors.
3300         Change all callers.  Change local_sym_index_ field to 31 bits.
3301         Change GSYM_CODE and CONSTANT_CODE accordingly.
3302         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3303         doing a static link don't set sh_link field.
3304         (Output_data_got::Got_entry::write): Use PLT offset if
3305         appropriate.
3306         (Output_data_got::add_global_plt): New function.
3307         (Output_data_got::add_local_plt): New function.
3308         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3309         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3310         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3311         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3312         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3313         IFUNC conditional.
3314         * testsuite/ifunc-sel.h: New file.
3315         * testsuite/ifuncmain1.c: New file.
3316         * testsuite/ifuncmain1vis.c: New file.
3317         * testsuite/ifuncmod1.c: New file.
3318         * testsuite/ifuncdep2.c: New file.
3319         * testsuite/ifuncmain2.c: New file.
3320         * testsuite/ifuncmain3.c: New file.
3321         * testsuite/ifuncmod3.c: New file.
3322         * testsuite/ifuncmain4.c: New file.
3323         * testsuite/ifuncmain5.c: New file.
3324         * testsuite/ifuncmod5.c: New file.
3325         * testsuite/ifuncmain6pie.c: New file.
3326         * testsuite/ifuncmod6.c: New file.
3327         * testsuite/ifuncmain7.c: New file.
3328         * configure, testsuite/Makefile.in: Rebuild.
3329
3330 2010-08-18  Ian Lance Taylor  <iant@google.com>
3331
3332         * incremental.cc
3333         (Output_section_incremental_inputs::write_input_files): Add cast
3334         to avoid signed/unsigned comparison warning.
3335         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3336
3337 2010-08-12  Cary Coutant  <ccoutant@google.com>
3338
3339         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3340
3341 2010-08-13  Ian Lance Taylor  <iant@google.com>
3342
3343         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3344
3345 2010-08-12  Cary Coutant  <ccoutant@google.com>
3346             Doug Kwan  <dougkwan@google.com>
3347
3348         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3349         defintion overrides non-weak undef, remember that the original undef
3350         is not weak.
3351         * symtab.cc (Symbol_table::sized_write_global): For undef without
3352         an original weak binding, set binding to global in output.
3353         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3354         * testsuite/Makefile.in: Regenerate.
3355         * testsuite/strong_ref_weak_def.sh: New file.
3356         * testsuite/strong_ref_weak_def_1.c: Ditto.
3357         * testsuite/strong_ref_weak_def_2.c: Ditto.
3358
3359 2010-08-12  Cary Coutant  <ccoutant@google.com>
3360
3361         * testsuite/incremental_test.sh: Rewrite.
3362         * testsuite/incremental_test_1.c: Rewrite.
3363         * testsuite/incremental_test_2.c: Rewrite.
3364
3365 2010-08-12  Cary Coutant  <ccoutant@google.com>
3366
3367         * arm.cc (Target_arm::got_size): Add const.
3368         (Target_arm::got_entry_count): New function.
3369         (Target_arm::plt_entry_count): New function.
3370         (Target_arm::first_plt_entry_offset): New function.
3371         (Target_arm::plt_entry_size): New function.
3372         (Output_data_plt_arm::entry_count): New function.
3373         (Output_data_plt_arm::first_plt_entry_offset): New function.
3374         (Output_data_plt_arm::get_plt_entry_size): New function.
3375         * i386.cc (Target_i386::got_size): Add const.
3376         (Target_i386::got_entry_count): New function.
3377         (Target_i386::plt_entry_count): New function.
3378         (Target_i386::first_plt_entry_offset): New function.
3379         (Target_i386::plt_entry_size): New function.
3380         (Output_data_plt_i386::entry_count): New function.
3381         (Output_data_plt_i386::first_plt_entry_offset): New function.
3382         (Output_data_plt_i386::get_plt_entry_size): New function.
3383         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3384         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3385         * incremental.cc: Include target.h.
3386         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3387         parameter.  Adjust all callers.  Find incremental_got_plt section.
3388         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3389         section.
3390         (Output_section_incremental_inputs::set_final_data_size): Calculate
3391         size of incremental_got_plt section.
3392         (Output_section_incremental_inputs::do_write): Write the
3393         incremental_got_plt section.
3394         (Got_plt_view_info): New struct.
3395         (Local_got_offset_visitor): New class.
3396         (Global_got_offset_visitor): New class.
3397         (Global_symbol_visitor_got_plt): New class.
3398         (Output_section_incremental_inputs::write_got_plt): New function.
3399         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3400         Add parameter.  Adjust all callers.
3401         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3402         (Incremental_inputs::got_plt_section): New function.
3403         (Incremental_inputs::got_plt_section_): New data member.
3404         (Incremental_got_plt_reader): New class.
3405         * layout.cc (Layout::create_incremental_info_sections): Add the
3406         incremental_got_plt section.
3407         * object.h (Got_offset_list::get_list): New function.
3408         (Got offset_list::for_all_got_offsets): New function.
3409         (Sized_relobj::local_got_offset_list): New function.
3410         * powerpc.cc (Target_powerpc::got_size): Add const.
3411         (Target_powerpc::got_entry_count): New function.
3412         (Target_powerpc::plt_entry_count): New function.
3413         (Target_powerpc::first_plt_entry_offset): New function.
3414         (Target_powerpc::plt_entry_size): New function.
3415         (Output_data_plt_powerpc::entry_count): New function.
3416         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3417         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3418         * sparc.cc (Target_sparc::got_size): Add const.
3419         (Target_sparc::got_entry_count): New function.
3420         (Target_sparc::plt_entry_count): New function.
3421         (Target_sparc::first_plt_entry_offset): New function.
3422         (Target_sparc::plt_entry_size): New function.
3423         (Output_data_plt_sparc::entry_count): New function.
3424         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3425         (Output_data_plt_sparc::get_plt_entry_size): New function.
3426         * symtab.h (Symbol::got_offset_list): New function.
3427         (Symbol_table::for_all_symbols): New function.
3428         * target.h (Sized_target::got_entry_count): New function.
3429         (Sized_target::plt_entry_count): New function.
3430         (Sized_target::plt_entry_size): New function.
3431         * x86_64.cc (Target_x86_64::got_size): Add const.
3432         (Target_x86_64::got_entry_count): New function.
3433         (Target_x86_64::plt_entry_count): New function.
3434         (Target_x86_64::first_plt_entry_offset): New function.
3435         (Target_x86_64::plt_entry_size): New function.
3436         (Output_data_plt_x86_64::entry_count): New function.
3437         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3438         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3439
3440 2010-08-12  Cary Coutant  <ccoutant@google.com>
3441
3442         * archive.cc: Include incremental.h.
3443         (Archive::Archive): Initialize incremental_info_.
3444         (Archive::include_member): Record archive members in incremental info.
3445         (Add_archive_symbols::run): Record begin and end of an archive in
3446         incremental info.
3447         (Lib_group::include_member): Record objects in incremental info.
3448         * archive.h (Incremental_archive_entry): Forward declaration.
3449         (Archive::set_incremental_info): New member function.
3450         (Archive::incremental_info): New member function.
3451         (Archive::Unused_symbol_iterator): New class.
3452         (Archive::unused_symbols_begin): New member function.
3453         (Archive::unused_symbols_end): New member function.
3454         (Archive::incremental_info_): New data member.
3455         * incremental-dump.cc (find_input_containing_global): New function.
3456         (dump_incremental_inputs): Dump new incremental info sections.
3457         * incremental.cc: Include symtab.h.
3458         (Output_section_incremental_inputs): New class.
3459         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3460         new incremental info sections.
3461         (Sized_incremental_binary::do_check_inputs): Likewise.
3462         (Incremental_inputs::report_archive): Remove.
3463         (Incremental_inputs::report_archive_begin): New function.
3464         (Incremental_inputs::report_archive_end): New function.
3465         (Incremental_inputs::report_object): New function.
3466         (Incremental_inputs::finalize_inputs): Remove.
3467         (Incremental_inputs::report_input_section): New function.
3468         (Incremental_inputs::report_script): Rewrite.
3469         (Incremental_inputs::finalize): Do nothing but finalize string table.
3470         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3471         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3472         (Incremental_inputs::create_data_sections): New function.
3473         (Incremental_inputs::relocs_entsize): New function.
3474         (Output_section_incremental_inputs::set_final_data_size): New function.
3475         (Output_section_incremental_inputs::do_write): New function.
3476         (Output_section_incremental_inputs::write_header): New function.
3477         (Output_section_incremental_inputs::write_input_files): New function.
3478         (Output_section_incremental_inputs::write_info_blocks): New function.
3479         (Output_section_incremental_inputs::write_symtab): New function.
3480         * incremental.h (Incremental_script_entry): Forward declaration.
3481         (Incremental_object_entry): Forward declaration.
3482         (Incremental_archive_entry): Forward declaration.
3483         (Incremental_inputs): Forward declaration.
3484         (Incremental_inputs_header_data): Remove.
3485         (Incremental_inputs_header): Remove.
3486         (Incremental_inputs_header_write): Remove.
3487         (Incremental_inputs_entry_data): Remove.
3488         (Incremental_inputs_entry): Remove.
3489         (Incremental_inputs_entry_write): Remove.
3490         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3491         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3492         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3493         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3494         Likewise.
3495         (Incremental_input_entry): New class.
3496         (Incremental_script_entry): New class.
3497         (Incremental_object_entry): New class.
3498         (Incremental_archive_entry): New class.
3499         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3500         (Incremental_inputs::report_inputs): Remove.
3501         (Incremental_inputs::report_archive): Remove.
3502         (Incremental_inputs::report_archive_begin): New function.
3503         (Incremental_inputs::report_archive_end): New function.
3504         (Incremental_inputs::report_object): Change prototype.
3505         (Incremental_inputs::report_input_section): New function.
3506         (Incremental_inputs::report_script): Change prototype.
3507         (Incremental_inputs::get_reloc_count): New function.
3508         (Incremental_inputs::set_reloc_count): New function.
3509         (Incremental_inputs::create_data_sections): New function.
3510         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3511         (Incremental_inputs::inputs_section): New function.
3512         (Incremental_inputs::symtab_section): New function.
3513         (Incremental_inputs::relocs_section): New function.
3514         (Incremental_inputs::get_stringpool): Add const.
3515         (Incremental_inputs::command_line): Add const.
3516         (Incremental_inputs::inputs): Remove.
3517         (Incremental_inputs::command_line_key): New function.
3518         (Incremental_inputs::input_file_count): New function.
3519         (Incremental_inputs::input_files): New function.
3520         (Incremental_inputs::relocs_entsize): New function.
3521         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3522         (Incremental_inputs::finalize_inputs): Remove.
3523         (Incremental_inputs::Input_info): Remove.
3524         (Incremental_inputs::lock_): Remove.
3525         (Incremental_inputs::inputs_): Change type.
3526         (Incremental_inputs::inputs_map_): Remove.
3527         (Incremental_inputs::current_object_entry_): New data member.
3528         (Incremental_inputs::inputs_section_): New data member.
3529         (Incremental_inputs::symtab_section_): New data member.
3530         (Incremental_inputs::relocs_section_): New data member.
3531         (Incremental_inputs::reloc_count_): New data member.
3532         (Incremental_inputs_reader): New class.
3533         (Incremental_symtab_reader): New class.
3534         (Incremental_relocs_reader): New class.
3535         * layout.cc (Layout::finalize): Move finalization of incremental info
3536         and creation of incremental info sections to follow finalization of
3537         symbol table.  Set offsets for postprocessing sections.
3538         (Layout::create_incremental_info_sections): Call
3539         Incremental_inputs::create_data_sections.  Add incremental symtab
3540         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3541         sections to layout after input sections.
3542         * layout.h (struct Timespec): Forward declaration.
3543         (Layout::incremental_inputs): Add const.
3544         (Layout::create_incremental_info_sections): Add parameter.
3545         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3546         * object.cc: Include incremental.h.
3547         (Relobj::finalize_incremental_relocs): New function.
3548         (Sized_relobj::do_layout): Record input sections in incremental info.
3549         * object.h (Object::output_section): New function.
3550         (Object::output_section_offset): Moved from Relobj.
3551         (Object::get_incremental_reloc_base): New function.
3552         (Object::get_incremental_reloc_count): New function.
3553         (Object::do_output_section): New function.
3554         (Object::do_output_section_offset): Moved from Relobj.
3555         (Object::do_get_incremental_reloc_base): New function.
3556         (Object::do_get_incremental_reloc_count): New function.
3557         (Object::Object): Initialize new data members.
3558         (Relobj::output_section): Renamed do_output_section and moved to
3559         protected.
3560         (Relobj::output_section_offset): Moved to Object.
3561         (Relobj::do_get_incremental_reloc_base): New function.
3562         (Relobj::do_get_incremental_reloc_count): New function.
3563         (Relobj::allocate_incremental_reloc_counts): New function.
3564         (Relobj::count_incremental_reloc): New function.
3565         (Relobj::finalize_incremental_relocs): New function.
3566         (Relobj::next_incremental_reloc_index): New function.
3567         (Relobj::reloc_counts_): New data member.
3568         (Relobj::reloc_bases_): New data member.
3569         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3570         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3571         (Sized_relobj::incremental_relocs_scan): New function.
3572         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3573         (Sized_relobj::incremental_relocs_write): New function.
3574         (Sized_relobj::incremental_relocs_write_reltype): New function.
3575         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3576         incremental link.
3577         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3578         archives and object files elsewhere.
3579         (Add_symbols::run): Report object files here.
3580         (Finish_group::run): Report end of archive at end of group.
3581         * reloc.cc: Include layout.h, incremental.h.
3582         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3583         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3584         (Sized_relobj::incremental_relocs_scan): New function.
3585         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3586         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3587         (Sized_relobj::incremental_relocs_write): New function.
3588         (Sized_relobj::incremental_relocs_write_reltype): New function.
3589         * script.cc (read_input_script): Rewrite test for incremental link.
3590         Change call to Incremental_inputs::report_script.
3591         * symtab.h (Symbol_table::first_global_index): New function.
3592         (Symbol_table::output_count): New function.
3593
3594 2010-08-12  Doug Kwan  <dougkwan@google.com>
3595
3596         * arm.cc (Target_arm::merge_object_attributes): Check command line
3597         options --no-wchar-size-warning and --no-enum-size-warning.
3598         * options.h (General_options): Add ld-compatible options
3599         --no-enum-size-warning and --no-wchar-size-warning.
3600
3601 2010-08-04  Ian Lance Taylor  <iant@google.com>
3602
3603         * x86_64.cc (Target_x86_64::Scan::local): Use
3604         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3605         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3606         (Target_x86_64::Scan::global): Likewise.
3607         (Target_x86_64::Relocate::relocate): Likewise.
3608         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3609         Likewise.
3610
3611 2010-08-03  Cary Coutant  <ccoutant@google.com>
3612
3613         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3614         to reserve space in merged_strings vector. Keep total input size
3615         for stats.
3616         (Output_merge_string::do_print_merge_stats): Print total input size.
3617         * merge.h (Output_merge_string): Add input_size_ field.
3618         * stringpool.cc (Stringpool_template::string_length): Move
3619         implementations out of Stringpool_template class and place in
3620         stringpool.h.
3621         * stringpool.h (string_length): Move out of Stringpool_template.
3622
3623 2010-08-03  Ian Lance Taylor  <iant@google.com>
3624
3625         PR 11712
3626         * layout.cc (relaxation_loop_body): If address of load segment is
3627         set, adjust address to include headers if possible.
3628
3629 2010-08-03  Ian Lance Taylor  <iant@google.com>
3630
3631         * version.cc (version_string): Bump to 1.10.
3632
3633 2010-08-03  Ian Lance Taylor  <iant@google.com>
3634
3635         PR 11805
3636         * layout.h (enum Output_section_order): Define.
3637         (class Layout): Update declarations.
3638         * layout.cc (Layout::get_output_section): Add order parameter.
3639         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3640         is_first_non_relro parameters.  Change all callers.
3641         (Layout::choose_output_section): Likewise.
3642         (Layout::add_output_section_data): Likewise.
3643         (Layout::make_output_section): Likewise.  Set order.
3644         (Layout::default_section_order): New function.
3645         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3646         * output.cc (Output_section::Output_section): Initialize order_.
3647         Don't initialize deleted fields.
3648         (Output_segment::Output_segment): Don't initialize deleted
3649         fields.
3650         (Output_segment::add_output_section_to_load): New function
3651         replacing add_output_section.  Change all callers to call this or
3652         add_output_section_to_nonload.
3653         (Output_segment::add_output_section_to_nonload): New function.
3654         (Output_segment::remove_output_section): Rewrite.
3655         (Output_segment::add_initial_output_data): Likewise.
3656         (Output_segment::has_any_data_sections): Likewise.
3657         (Output_segment::is_first_section_relro): Likewise.
3658         (Output_segment::maximum_alignment): Likewise.
3659         (Output_segment::has_dynamic_reloc): New function replacing
3660         dynamic_reloc_count.  Change all callers.
3661         (Output_segment::has_dynamic_reloc_list): New function replacing
3662         dynamic_reloc_count_list.  Change all callers.
3663         (Output_segment::set_section_addresses): Rewrite.
3664         (Output_segment::set_offset): Rewrite.
3665         (Output_segment::find_first_and_last_list): Remove.
3666         (Output_segment::set_tls_offsets): Rewrite.
3667         (Output_segment::first_section_load_address): Likewise.
3668         (Output_segment::output_section_count): Likewise.
3669         (Output_segment::section_with_lowest_load_address): Likewise.
3670         (Output_segment::write_section_headers): Likewise.
3671         (Output_segment::print_sections_to_map): Likewise.
3672         * output.h (class Output_data): Remove dynamic_reloc_count_
3673         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3674         (Output_data::add_dynamic_reloc): Rewrite.
3675         (Output_data::has_dynamic_reloc): New function.
3676         (Output_data::dynamic_reloc_count): Remove.
3677         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3678         is_last_relro_, is_first_non_relro_, is_interp_,
3679         is_dynamic_linker_section_ fields.  Add order and set_order
3680         functions.  Remove is_relro_local, set_is_relro_local,
3681         is_last_relro, set_is_last_relro, is_first_non_relro,
3682         set_is_first_non_relro functions, is_interp, set_is_interp,
3683         is_dynamic_linker_section, and set_is_dynamic_linker_section
3684         functions.
3685         (class Output_segment): Change Output_data_list from std::list to
3686         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3687         output_bss_ fields.  Update declarations.
3688
3689 2010-08-02  Ian Lance Taylor  <iant@google.com>
3690
3691         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3692         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3693         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3694
3695 2010-08-02  Ian Lance Taylor  <iant@google.com>
3696
3697         PR 11855
3698         * script.cc (Script_options::Script_options): Initialize
3699         symbol_definitions_ and symbol_references_.
3700         (Script_options::add_symbol_assignment): Update
3701         symbol_definitions_ and symbol_references_.
3702         (Script_options::add_symbol_reference): New function.
3703         (script_symbol): New function.
3704         * script.h (class Script_options): Add symbol_definitions_ and
3705         symbol_references_ fields.
3706         (Script_options::referenced_const_iterator): New type.
3707         (Script_options::referenced_begin): New function.
3708         (Script_options::referenced_end): New function.
3709         (Script_options::is_referenced): New function.
3710         (Script_options::any_unreferenced): New function.
3711         * script-c.h (script_symbol): Declare.
3712         * yyscript.y (exp): Call script_symbol.
3713         * symtab.cc: Include "script.h".
3714         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3715         Change all callers.  Check symbols referenced by scripts.
3716         (Symbol_table::add_undefined_symbols_from_command_line): Add
3717         layout parameter.  Change all callers.
3718         (Symbol_table::do_add_undefined_symbols_from_command_line):
3719         Likewise.  Break out loop body.  Check symbols referenced by
3720         scripts.
3721         (Symbol_table::add_undefined_symbol_from_command_line): New
3722         function broken out of
3723         do_add_undefined_symbols_from_command_line.
3724         * symtab.h (class Symbol_table): Update declarations.
3725         * archive.cc: Include "layout.h".
3726         (Archive::should_include_member): Add layout parameter.  Change
3727         all callers.  Check for symbol mentioned in expression.
3728         * archive.h (class Archive): Update declaration.
3729         * object.cc (Sized_relobj::do_should_include_member): Add layout
3730         parameter.
3731         * object.h (Object::should_include_member): Add layout parameter.
3732         Change all callers.
3733         (Object::do_should_include_member): Add layout parameter.
3734         (class Sized_relobj): Update declaration.
3735         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3736         parameter.
3737         * dynobj.h (class Sized_dynobj): Update declaration.
3738         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3739         layout parameter.
3740         * plugin.h (class Sized_pluginobj): Update declaration.
3741
3742 2010-08-02  Ian Lance Taylor  <iant@google.com>
3743
3744         PR 11866
3745         * output.cc (Output_segment::set_offset): Search for the first and
3746         last sections rather than assuming that the list is in order.
3747         (Output_segment::find_first_and_last_list): New function.
3748         * output.h (class Output_segment): Update declarations.
3749         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3750         (relro_strip_test_SOURCES): New variable.
3751         (relro_strip_test_DEPENDENCIES): New variable.
3752         (relro_strip_test_LDFLAGS): New variable.
3753         (relro_strip_test_LDADD): New variable.
3754         (relro_strip_test.so): New target.
3755
3756 2010-08-02  Ian Lance Taylor  <iant@google.com>
3757
3758         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3759         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3760         (Target_i386::got_tlsdesc_section): New function.
3761         (Target_i386::got_section): Create space for GOT entries for
3762         TLSDESC relocations.
3763         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3764         R_386_TLS_GOTDESC.
3765         (Target_i386::Scan::global): Likewise.
3766         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3767         using TLSDESC GOT.
3768         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3769         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3770         (Target_x86_64::got_tlsdesc_section): New function.
3771         (Target_x86_64::got_section): Create space for GOT entries for
3772         TLSDESC relocations.
3773         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3774         R_386_TLS_GOTDESC.
3775         (Target_x86_64::Scan::global): Likewise.
3776         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3777         using TLSDESC GOT.
3778
3779 2010-08-02  Ian Lance Taylor  <iant@google.com>
3780
3781         * testsuite/final_layout.sh: Use dc to convert from hex to
3782         decimal.
3783
3784 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3785
3786         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3787         paramter to the call to gold::gc_process_relocs.
3788         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3789         paramter to the call to gold::gc_process_relocs.
3790         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3791         parameter to the call to gold::gc_process_relocs.
3792         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3793         template parameter to the call to gold::gc_process_relocs.
3794         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3795         paramter to the call to gold::gc_process_relocs.
3796         * gc.h (get_embedded_addend_size): New function.
3797         (gc_process_relocs): Save the size of the reloc for use by ICF.
3798         * icf.cc (get_section_contents): Get the addend from the text section
3799         for SHT_REL relocation sections.
3800         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3801         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3802         * int_encoding.h (read_from_pointer): New overloaded function.
3803         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3804         * testsuite/icf_sht_rel_addend_test.sh: New file.
3805         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3806         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3807
3808 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3809
3810         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3811         * Makefile.in: Regenerate.
3812         * testsuite/Makefile.in: Regenerate.
3813
3814 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3815
3816         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3817         * gold/testsuite/debug_msg.cc: Likewise.
3818         * gold/testsuite/odr_violation1.cc
3819         * gold/testsuite/odr_violation2.cc
3820
3821 2010-07-21  Cary Coutant  <ccoutant@google.com>
3822
3823         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3824         string, and length fields.
3825         (Output_merge_string::Merged_strings_list): New type.
3826         (Output_merge_string::Merged_strings_lists): New typedef.
3827         (Output_merge_string): Replace merged_strings_ with
3828         merged_strings_lists_.
3829         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3830         Merged_strings_list per input object and section.  Don't store pointer
3831         to the string.  Don't store length with each merged string entry.
3832         (Output_merge_string::finalize_merged_data): Loop over list of merged
3833         strings lists.  Recompute length of each merged string.
3834
3835 2010-07-15  Cary Coutant  <ccoutant@google.com>
3836
3837         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3838         here.
3839
3840 2010-07-14  Ian Lance Taylor  <iant@google.com>
3841
3842         * descriptors.cc (Descriptors::open): Report correct name in error
3843         message.
3844
3845 2010-07-13  Doug Kwan  <dougkwan@google.com>
3846
3847         * arm.cc (Arm_input_section::Arm_input_section): For a
3848         SHT_ARM_EXIDX section, always keeps the input sections.
3849         (Arm_input_section::set_exidx_section_link): New method.
3850         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3851         has_errors_ to false.
3852         (Arm_exidx_input_section::has_errors,
3853         Arm_exidx_input_section::set_has_errors): New methods.
3854         (Arm_exidx_input_section::has_errors_): New data member.
3855         (Arm_relobj::get_exidx_shndx_list): New method.
3856         (Arm_output_section::append_text_sections_to_list): Do not skip
3857         section without SHF_EXECINSTR.
3858         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3859         errors.
3860         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3861         section header.  Make error messages more verbose.  Check for
3862         a non-executable section linked to an EXIDX section.
3863         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3864         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3865         check that there is no deferred EXIDX section if we exit early.
3866         Instead of not making an EXIDX section in case of an error, make one
3867         and set the has_errors flag of it.
3868         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3869         in a relocatable link.
3870         (Target_arm::do_relax): Look for the EXIDX output section instead of
3871         assuming that it is called .ARM.exidx.
3872         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3873         section list.  Do not check for SHF_EXECINSTR section flags but
3874         skip any input section with errors.
3875         * output.cc (Output_section::Output_section): Initialize
3876         always_keeps_input_sections_ to false.
3877         (Output_section::add_input_section): Check for
3878         always_keeps_input_sections_.
3879         *  output.h (Output_section::always_keeps_input_sections,
3880         Output_section::set_always_keeps_input_sections): New methods.
3881         (Output_section::always_keeps_input_sections): New data member.
3882
3883 2010-07-13  Rafael Espindola  <espindola@google.com>
3884
3885         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3886         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3887
3888 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3889             Ian Lance Taylor  <iant@google.com>
3890
3891         * output.h (Output_section_lookup_maps::add_merge_section):
3892         Correct check of whether value was inserted.
3893         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3894         (Output_section_lookup_maps::add_relaxed_input_section):
3895         Likewise.
3896         * arm.cc (Target_arm::got_section): Remove used local os.
3897         * i386.cc (Target_i386::got_section): Likewise.
3898         * x86_64.cc (Target_x86_64::got_section): Likewise.
3899         * sparc.cc (Target_sparc::got_section): Likewise.
3900         (Target_sparc::relocate): Remove unused local have_got_offset.
3901         * powerpc.cc (Target_powerpc::relocate): Likewise.
3902
3903 2010-07-13  Ian Lance Taylor  <iant@google.com>
3904
3905         * compressed_output.cc (zlib_decompress): Fix signature in
3906         !HAVE_ZLIB_H case.
3907
3908         * archive.cc (Archive::include_member): Unlock an external member
3909         of a thin archive.  Don't bother to delete an object we know is
3910         NULL.
3911
3912 2010-07-12  Cary Coutant  <ccoutant@google.com>
3913
3914         * compressed_output.cc (zlib_decompress): New function.
3915         (get_uncompressed_size): New function.
3916         (decompress_input_section): New function.
3917         * compressed_output.h (get_uncompressed_size): New function.
3918         (decompress_input_section): New function.
3919         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3920         Handle compressed debug sections.
3921         * layout.cc (is_compressed_debug_section): New function.
3922         (Layout::output_section_name): Map compressed section names to
3923         canonical names.
3924         * layout.h (is_compressed_debug_section): New function.
3925         (is_debug_info_section): Recognize compressed debug sections.
3926         * merge.cc: Include compressed_output.h.
3927         (Output_merge_data::do_add_input_section): Handle compressed
3928         debug sections.
3929         (Output_merge_string::do_add_input_section): Handle compressed
3930         debug sections.
3931         * object.cc: Include compressed_output.h.
3932         (Sized_relobj::Sized_relobj): Initialize new data members.
3933         (build_compressed_section_map): New function.
3934         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3935         * object.h (Object::section_is_compressed): New method.
3936         (Object::do_section_is_compressed): New method.
3937         (Sized_relobj::Compressed_section_map): New type.
3938         (Sized_relobj::do_section_is_compressed): New method.
3939         (Sized_relobj::compressed_sections_): New data member.
3940         * output.cc (Output_section::add_input_section): Handle compressed
3941         debug sections.
3942         * reloc.cc: Include compressed_output.h.
3943         (Sized_relobj::write_sections): Handle compressed debug sections.
3944
3945 2010-07-08  Cary Coutant  <ccoutant@google.com>
3946
3947         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3948         weak when resolving to a dynamic def.
3949         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3950         for weak undef/dynamic def cases. Adjust callers.
3951         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3952         undef_binding_weak_.
3953         (Symbol_table::sized_write_globals): Adjust symbol binding.
3954         (Symbol_table::sized_write_symbol): Add binding parameter.
3955         * symtab.h (Symbol::set_undef_binding): New method.
3956         (Symbol::is_undef_binding_weak): New method.
3957         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3958         (Symbol_table::should_override): Add new parameter.
3959         (Symbol_table::sized_write_symbol): Add new parameter.
3960
3961         * testsuite/weak_undef_file1.cc: Add new test case.
3962         * testsuite/weak_undef_file2.cc: Fix header comment.
3963         * testsuite/weak_undef_test.cc: Add new test case.
3964
3965 2010-06-29  Doug Kwan  <dougkwan@google.com>
3966
3967         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3968         Initialize USE_SYMBOL_.
3969         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3970         definition.
3971         (Arm_reloc_property::uses_symbol_): New data member declaration.
3972         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3973         uses symbol value and symbol is undefined but not weakly undefined.
3974
3975 2010-06-28  Rafael Espindola  <espindola@google.com>
3976
3977         * plugin.cc (Plugin::load): Use dlerror.
3978
3979 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3980
3981         * symtab.cc (detect_odr_violations): When reporting an ODR
3982         violation, report an object where the symbol is defined.
3983
3984 2010-06-25  Doug Kwan  <dougkwan@google.com>
3985
3986         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3987         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3988         definition.
3989         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3990         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3991         target hook to detect function points.
3992         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3993         * icf.h (Icf::check_section_for_function_pointers): Change type of
3994         parameter SECTION_NAME to const reference to std::string.  Use
3995         target hook to determine if section may have unsafe pointers.
3996         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3997         method definition.
3998
3999 2010-06-21  Rafael Espindola  <espindola@google.com>
4000
4001         * fileread.cc (Input_file::find_fie): New
4002         (Input_file::open): Use Input_file::find_fie.
4003         * fileread.h (Input_file::find_fie): New
4004         * plugin.cc (set_extra_library_path): New.
4005         (Plugin::load): Add set_extra_library_path to the transfer vector.
4006         (Plugin_manager::set_extra_library_path): New.
4007         (Plugin_manager::add_input_file): Use the extra search path if set.
4008         (set_extra_library_path(): New.
4009         * plugin.h (Plugin_manager): Add set_extra_library_path and
4010         extra_search_path_.
4011
4012 2010-06-19  Cary Coutant  <ccoutant@google.com>
4013
4014         * layout.cc (gdb_sections): Add .debug_types.
4015         (lines_only_debug_sections): Likewise.
4016
4017 2010-06-18  Rafael Espindola  <espindola@google.com>
4018
4019         * plugin.cc (add_input_file,add_input_library)
4020         (Plugin_manager::add_input_file): Make filename arguments const.
4021         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4022         const.
4023
4024 2010-06-16  Doug Kwan  <dougkwan@google.com>
4025
4026         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4027         .ARM.attributes section if we have not merged any input
4028         attributes sections.
4029
4030 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4031
4032         * arm.cc: Allow combining objects with no EABI version
4033         information.
4034
4035 2010-06-15  Rafael Espindola  <espindola@google.com>
4036
4037         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4038
4039 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4040
4041         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4042         (struct iovec): Correct !HAVE_READV definition.
4043
4044 2010-06-10  Cary Coutant  <ccoutant@google.com>
4045
4046         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4047         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4048         reloc sections.
4049         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4050
4051         PR 11683
4052         * symtab.h (Symbol::is_placeholder): New member function.
4053         * target-reloc.h (relocate_section): Check for placeholder symbols.
4054
4055         * testsuite/Makefile.am (plugin_test_8): New test.
4056         (plugin_test_9): New test.
4057         * testsuite/Makefile.in: Regenerate.
4058
4059 2010-06-09  Nick Clifton  <nickc@redhat.com>
4060
4061         * yyscript.y (input_list_element): Allow strings prefixed with
4062         the '-' character.  Treat these as libraries.
4063         * script.cc (script_add_library): New function.  Adds a library
4064         specified by "-l<name>" found in an input script.
4065         * script-c.h: Add prototype for script_add_library.
4066
4067 2010-06-07  Doug Kwan  <dougkwan@google.com>
4068
4069         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4070         Restrict stub-group size to be within long conditional branch
4071         range when working around cortex-A8 erratum.
4072
4073 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4074
4075         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4076         #ifdef typo.
4077
4078 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4079
4080         PR gold/11658
4081         * output.cc
4082         (Output_section::Input_section_sort_entry::compare_section_ordering):
4083         Change to return non-zero correctly.
4084         (Output_section::Input_section_sort_section_order_index_compare
4085         ::operator()): Change to fix ambiguity in comparisons.
4086
4087 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4088
4089         * gold.h (is_wildcard_string): New function.
4090         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4091         (Layout::layout_eh_frame): Ditto.
4092         (Layout::find_section_order_index): New method.
4093         (Layout::read_layout_from_file): New method.
4094         * layout.h (Layout::find_section_order_index): New method.
4095         (Layout::read_layout_from_file): New method.
4096         (Layout::input_section_position_): New private member.
4097         (Layout::input_section_glob_): New private member.
4098         * main.cc (main): Call read_layout_from_file here.
4099         * options.h (--section-ordering-file): New option.
4100         * output.cc (Output_section::input_section_order_specified_): New
4101         member.
4102         (Output_section::Output_section): Initialize new member.
4103         (Output_section::add_input_section): Add new parameter.
4104         Keep input sections when --section-ordering-file is used.
4105         (Output_section::set_final_data_size): Sort input sections when
4106         section ordering file is specified.
4107         (Output_section::Input_section_sort_entry): Add new parameter.
4108         Check sorting type.
4109         (Output_section::Input_section_sort_entry::compare_section_ordering):
4110         New method.
4111         (Output_section::Input_section_sort_compare::operator()): Change to
4112         consider section_order_index.
4113         (Output_section::Input_section_sort_init_fini_compare::operator()):
4114         Change to consider section_order_index.
4115         (Output_section::Input_section_sort_section_order_index_compare
4116         ::operator()): New method.
4117         (Output_section::sort_attached_input_sections): Change to sort
4118         according to section order when specified.
4119         (Output_section::add_input_section<32, true>): Add new parameter.
4120         (Output_section::add_input_section<64, true>): Add new parameter.
4121         (Output_section::add_input_section<32, false>): Add new parameter.
4122         (Output_section::add_input_section<64, false>): Add new parameter.
4123         * output.h (Output_section::add_input_section): Add new parameter.
4124         (Output_section::input_section_order_specified): New
4125         method.
4126         (Output_section::set_input_section_order_specified): New method.
4127         (Input_section::Input_section): Initialize section_order_index_.
4128         (Input_section::section_order_index): New method.
4129         (Input_section::set_section_order_index): New method.
4130         (Input_section::section_order_index_): New member.
4131         (Input_section::Input_section_sort_section_order_index_compare): New
4132         struct.
4133         (Output_section::input_section_order_specified_): New member.
4134         * script-sections.cc (is_wildcard_string): Delete and move modified
4135         method to gold.h.
4136         (Output_section_element_input::Output_section_element_input): Modify
4137         call to is_wildcard_string.
4138         (Output_section_element_input::Input_section_pattern
4139         ::Input_section_pattern): Ditto.
4140         (Output_section_element_input::Output_section_element_input): Ditto.
4141         * testsuite/Makefile.am (final_layout): New test case.
4142         * testsuite/Makefile.in: Regenerate.
4143         * testsuite/final_layout.cc: New file.
4144         * testsuite/final_layout.sh: New file.
4145
4146 2010-06-01  Rafael Espindola  <espindola@google.com>
4147
4148         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4149
4150 2010-06-01  Rafael Espindola  <espindola@google.com>
4151
4152         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4153         visibility of symbols.
4154
4155 2010-05-27  Doug Kwan  <dougkwan@google.com>
4156
4157         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4158         from start of output section instead of address for a local symbol
4159         in a merged or relaxed section when doing a relocatable link.
4160
4161 2010-05-26  Rafael Espindola  <espindola@google.com>
4162
4163        PR 11604
4164         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4165         adding sections the garbage collector removed.
4166         * gold/testsuite/Makefile.am: Add test.
4167         * gold/testsuite/Makefile.in: Regenerate.
4168         * gold/testsuite/plugin_test_7.sh: New.
4169         * gold/testsuite/plugin_test_7_1.c: New.
4170         * gold/testsuite/plugin_test_7_2.c: New.
4171
4172 2010-05-26  Rafael Espindola  <espindola@google.com>
4173
4174         * script-sections.cc (Output_section_definition::set_section_addresses):
4175         Check for --section-start.
4176
4177 2010-05-26  Doug Kwan  <dougkwan@google.com>
4178
4179         * arm.cc (Arm_scan_relocatable_relocs): New class.
4180         (Target_arm::relocate_special_relocatable): New method.
4181         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4182         (Arm_relocate_functions::thumb_branch_common): Same.
4183         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4184         instead of Default_scan_relocatable_relocs.
4185         * target-reloc.h (relocate_for_relocatable): Let target handle
4186         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4187         * target.h (Sized_target::relocate_special_relocatable): New method.
4188
4189 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4190
4191         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4192
4193 2010-05-23  Doug Kwan  <dougkwan@google.com>
4194
4195         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4196         instead of a cast.
4197         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4198         with a direct branch, not a conditional branch, to a stub.
4199         * merge.cc (Output_merge_base::record_input_section): New method
4200         defintion.
4201         (Output_merge_data::do_add_input_section): Record input section if
4202         keeps-input-sections flag is set.
4203         (Output_merge_string::do_add_input_section): Ditto.
4204         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4205         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4206         INPUT_SECTIONS_.
4207         (Output_merge_base::keeps_input_sections,
4208         Output_merge_base::set_keeps_input_sections,
4209         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4210         method definitions.
4211         (Output_merge_base::Input_sections): New type declaration.
4212         (Output_merge_base::input_sections_begin,
4213         Output_merge_base::input_sections_end,
4214         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4215         (Output_merge_base::bool keeps_input_sections_,
4216         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4217         Output_merge_base::input_sections_): New data members.
4218         (Output_merge_data::do_set_keeps_input_sections): New method
4219         defintion.
4220         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4221         * output.cc (Output_section::Input_section::relobj): Move method
4222         defintion from class declaration to here and handle merge sections.
4223         (Output_section::Input_section::shndx): Ditto.
4224         (Output_section::Output_section): Remove initializations of removed
4225         data members and initialize new data member LOOKUP_MAPS_.
4226         (Output_section::add_input_section): Set keeps-input-sections flag
4227         for a newly created merge output section as appropriate.  Adjust code
4228         to use Output_section_lookup_maps class.
4229         (Output_section::add_relaxed_input_section): Adjst code for lookup
4230         maps code refactoring.
4231         (Output_section::add_merge_input_section): Add a new parameter
4232         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4233         class.  If adding input section to a newly created merge output
4234         section fails, remove the new merge section.
4235         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4236         Adjust code for use of the Output_section_lookup_maps class.
4237         (Output_section::find_merge_section): Ditto.
4238         (Output_section::build_lookup_maps): New method defintion.
4239         (Output_section::find_relaxed_input_section): Adjust code to use
4240         Output_section_lookup_maps class.
4241         (Output_section::get_input_sections): Export merge sections.  Adjust
4242         code to use Output_section_lookup_maps class.
4243         (Output_section:::add_script_input_section): Adjust code to use
4244         Output_section_lookup_maps class.  Update lookup maps for merge
4245         sections also.
4246         (Output_section::discard_states): Use Output_section_lookup_maps.
4247         (Output_section::restore_states): Same.
4248         * output.h (Merge_section_properties): Move class defintion out of
4249         Output_section.
4250         (Output_section_lookup_maps): New class.
4251         (Output_section::Input_section::is_merge_section): New method
4252         defintion.
4253         (Output_section::Input_section::relobj): Move defintion out of class
4254         defintion.  Declare method only.
4255         (Output_section::Input_section::shndx): Ditto.
4256         (Output_section::Input_section::output_merge_base): New method defintion.
4257         (Output_section::Input_section::u2_.pomb): New union field.
4258         (Output_section::Merge_section_by_properties_map,
4259         Output_section::Output_section_data_by_input_section_map,
4260         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4261         Remove types.
4262         (Output_section::add_merge_input_section): Add new parameter
4263         KEEPS_INPUT_SECTIONS.
4264         (Output_section::build_lookup_maps): New method declaration.
4265         (Output_section::merge_section_map_,
4266         Output_section::merge_section_by_properties_map_,
4267         Output_section::relaxed_input_section_map_,
4268         Output_section::is_relaxed_input_section_map_valid_): Remove data
4269         members.
4270         (Output_section::lookup_maps_): New data member.
4271
4272 2010-05-21  Doug Kwan  <dougkwan@google.com>
4273
4274         PR gold/11619
4275         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4276         avoid a compilation error.
4277
4278 2010-05-19  Rafael Espindola  <espindola@google.com>
4279
4280         * script-sections.cc (Output_section_definition::allocate_to_segment):
4281         Update the phdrs_list even when the output section is NULL.
4282         * testsuite/Makefile.am: Add test.
4283         * testsuite/Makefile.in: Regenerate.
4284         * testsuite/script_test_9.cc: New.
4285         * testsuite/script_test_9.sh: New.
4286         * testsuite/script_test_9.t: New.
4287
4288 2010-05-19  Doug Kwan  <dougkwan@google.com>
4289
4290         * arm.cc (Arm_input_section::original_size): New method.
4291         (Arm_input_section::do_addralign): Add a cast.
4292         (Arm_input_section::do_output_offset): Remove static cast.
4293         (Arm_input_section::original_addralign,
4294          Arm_input_section::original_size_): Change type to uint32_t.
4295         (Arm_input_section::init): Add safe casts for section alignment
4296         and size.
4297         (Arm_input_section::set_final_data_size): Do not set address and
4298         offset of stub table.
4299         (Arm_output_section::fix_exidx_coverage): Change use of of
4300         Output_section::Simple_input_section to that of
4301         Output_section::Input_section.
4302         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4303         except for the first pass.
4304         * output.cc (Output_section::get_input_sections): Change type of
4305         input_sections to std::list<Input_section>.
4306         (Output_section::add_script_input_section): Rename from
4307         Output_section::add_simple_input_section.  Change type of SIS
4308         parameter from Simple_input_section to Input_section.
4309         * output.h (Output_section::Simple_input_section): Remove class.
4310         (Output_section::Input_section): Change class visibility to public.
4311         (Output_section::Input_section::addralign): Use stored alignments
4312         for special input sections if set.
4313         (Output_section::Input_section::set_addralign): New method.
4314         (Output_section::get_input_sections): Change parameter type from
4315         list of Simple_input_section to list of Input_section.
4316         (Output_section::add_script_input_section): Rename from
4317         Output_section::add_simple_input_section. Change first parameter's
4318         type from Simple_input_section to Input_section and remove the
4319         second and third parameters.
4320         * script-sections.cc (Input_section::Input_section_list): Change
4321         type to list of Output_section::Input_section/
4322         (Input_section_info::Input_section_info): Change parameter type of
4323         INPUT_SECTION to Output_section::Input_section.
4324         (Input_section_info::input_section): Change return type.
4325         (Input_section_info::input_section_): Change type to
4326         Output_section::Input_section.
4327         (Output_section_element_input::set_section_addresses): Adjust code
4328         to use Output_section::Input_section instead of
4329         Output_section::Simple_input_section.  Adjust code for renaming
4330         of Output_section::add_simple_input_section.
4331         (Orphan_output_section::set_section_addresses): Ditto.
4332
4333 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4334
4335         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4336         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4337
4338 2010-05-18  Rafael Espindola  <espindola@google.com>
4339
4340         * options.cc (General_options::finalize): Handle -nostdlib.
4341         * options.h (nostdlib): New option.
4342         * script.cc (script_add_search_dir): Handle -nostdlib.
4343
4344 2010-05-12  Doug Kwan  <dougkwan@google.com>
4345
4346         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4347         attributes section only if there no attributes section after merging.
4348         (Target_arm::merge_object_attributes): Move value of
4349         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4350         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4351         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4352         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4353         and arm_attr_merge_7.stdout.
4354         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4355         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4356         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4357         arm_attr_merge_7b.o): New rules.
4358         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4359         arm_attr_merge_7
4360         * testsuite/Makefile.in: Regenerate.
4361         * testsuite/arm_attr_merge.sh: New file.
4362         * testsuite/arm_attr_merge_[67][ab].s: Same.
4363
4364 2010-05-05  Nick Clifton  <nickc@redhat.com>
4365
4366         * po/es.po: Updated Spanish translation.
4367
4368 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4369
4370         * Makefile.am (install-exec-local): Properly install gold as
4371         default cross linker.
4372         * Makefile.in: Regenerated.
4373
4374 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4375             Nick Clifton  <nickc@redhat.com>
4376
4377         * configure.ac (install_as_default): Define and set to false
4378         unless --enable-gold or --enable-gold=both/gold has been
4379         specified.
4380         * configure: Regenerate.
4381
4382         * Makefile.am (install-exec-local): Install the executable as
4383         'ld.gold'.  If install_as_default is true then also install it as
4384         'ld'.
4385         * Makefile.in: Regenerated.
4386
4387 2010-04-24  Ian Lance Taylor  <iant@google.com>
4388
4389         * layout.cc (Layout::layout_reloc): In relocatable link don't
4390         combine reloc sections for grouped sections.
4391
4392 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4393
4394         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4395         sections that are not ordinary to icf.
4396         * icf.cc (get_section_contents): Handle relocation pointing to section
4397         with no object or shndx information.
4398         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4399         * testsuite/Makefile.in: Regenerate.
4400         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4401         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4402
4403 2010-04-22  Ian Lance Taylor  <iant@google.com>
4404
4405         * expression.cc (Expression::Expression_eval_info): Add
4406         result_alignment_pointer field.
4407         (Expression::eval_with_dot): Add result_alignment_pointer
4408         parameter.  Change all callers.
4409         (Expression::eval_maybe_dot): Likewise.
4410         (class Binary_expression): Add alignment_pointer parameter to
4411         left_value and right_value.  Change all callers.
4412         (BINARY_EXPRESSION): Set result alignment.
4413         (class Trinary_expression): Add alignment_pointer parameter to
4414         arg2_value and arg3_value.  Change all callers.
4415         (Trinary_cond::value): Set result alignment.
4416         (Max_expression::value, Min_expression::value): Likewise.
4417         (Align_expression::value): Likewise.
4418         * script-sections.cc (class Sections_element): Add dot_alignment
4419         parameter to set_section_addresses virtual function.  Update
4420         instantiations.
4421         (class Output_section_element): Likewise.
4422         (Script_sections::create_segments): Add dot_alignment parameter.
4423         Change all callers.
4424         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4425         (Script_sections::set_phdrs_clause_addresses): Likewise.
4426         * script-sections.h: Update declarations.
4427         * script.h: Update declarations.
4428         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4429         min_p_align.
4430         * testsuite/script_test_3.t: Set large alignment.
4431         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4432         segment has expected alignment.
4433
4434 2010-04-22  Nick Clifton  <nickc@redhat.com>
4435
4436         * po/gold.pot: Updated by the Translation project.
4437         * po/vi.po: Updated Vietnamese translation.
4438
4439 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4440
4441         * testsuite/Makefile.am (check_PROGRAMS): Add
4442         icf_virtual_function_folding_test.
4443         * testsuite/Makefile.in: Regenerated.
4444
4445 2010-04-15  Andrew Haley  <aph@redhat.com>
4446
4447         * options.h (merge_exidx_entries): New option.
4448         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4449         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4450         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4451         (Target_arm::merge_exidx_entries): New function.
4452         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4453         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4454         to Arm_exidx_fixup constructor.
4455         Add new arg, merge_exidx_entries.
4456         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4457         Arm_output_section::fix_exidx_coverage.
4458
4459 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4460
4461         * icf.cc (get_section_contents): Check for preemptible functions.
4462         Ignore addend when appropriate.
4463         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4464         section folded.
4465         (add_from_relobj): Check for section folded.
4466         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4467         * symtab.h (should_add_dynsym_entry): Add new parameter.
4468         * target-reloc.h (scan_relocs): Check for section folded.
4469         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4470         Check reloc types for function pointers in shared objects.
4471         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4472         case.
4473         (icf_preemptible_functions_test): New test case.
4474         (icf_string_merge_test): New test case.
4475         * testsuite.Makefile.in: Regenerate.
4476         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4477         bar_glob.  Refactor code.
4478         * testsuite/icf_preemptible_functions_test.cc: New file.
4479         * testsuite/icf_preemptible_functions_test.sh: New file.
4480         * testsuite/icf_string_merge_test.cc: New file.
4481         * testsuite/icf_string_merge_test.sh: New file.
4482         * testsuite/icf_virtual_function_folding_test.cc: New file.
4483         * testsuite/icf_virtual_function_folding_test.sh: New file.
4484
4485 2010-04-14  Doug Kwan  <dougkwan@google.com>
4486
4487         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4488         for local symbol recounting if we remove a section due to ICF.
4489         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4490         there are no regular objects in input.
4491
4492 2010-04-13  Doug Kwan  <dougkwan@google.com>
4493
4494         * arm.cc (Arm_input_section::set_final_data_size): Compute
4495         accurate final data size instead of using current data size.
4496
4497 2010-04-09  Doug Kwan  <dougkwan@google.com>
4498
4499         * layout.cc (Layout::choose_output_section): Handle script section
4500         types.
4501         (Layout::make_output_section_for_script): Add section type parameter.
4502         Handle script section types.
4503         * layout.h (Layout::make_output_section_for_script): Add section
4504         type parameter.
4505         * output.cc (Output_section::Output_section): Initialize data member
4506         is_noload_.
4507         (Output_section::do_reset_address_and_file_offset): Do not set address
4508         to 0 if section is a NOLOAD section.
4509         * output.h (Output_section::is_noload): New method.
4510         (Output_section::set_is_noload): Ditto.
4511         (Output_section::is_noload_): New data member.
4512         * script-c.h (Script_section_type): New enum type.
4513         (struct Parser_output_section_header): Add new file section_type.
4514         * script-sections.cc (Sections_element::output_section_name): Add
4515         parameter for returning script section type.
4516         (Output_section_definition::output_section_name): Ditto.
4517         (Output_section_definition::section_type)P; New method.
4518         (Output_section_definiton::script_section_type_name): Ditto.
4519         (Output_section_definition::script_section_type_): New data member.
4520         (Output_section_definition::Output_section_definition): Initialize
4521         data member Output_section_definition::script_section_type_.
4522         (Output_section_definition::create_sections): Pass script section type
4523         to Layout::make_output_section_for_script.
4524         (Output_section_definition::output_section_name): Return script
4525         section type to caller.
4526         (Output_section_definition::set_section_address): Do not advance
4527         dot value and load address if section type is NOLOAD.  Set address
4528         of NOLOAD sections regardless of section flags.
4529         (Output_section_definition::print): Print section type if it is
4530         not SCRIPT_SECTION_TYPE_NONE.
4531         (Output_section_definition::section_type): New method.
4532         (Output_section_definition::script_section_type_name): Ditto.
4533         (Script_sections::output_section_name): Add new parameter
4534         PSECTION_TYPE for returning script section type.  Pass it to
4535         section elements.  Handle discard sections.
4536         (Sort_output_sections::operator()): Handle NOLOAD sections.
4537         * script-sections.h (Script_sections::Section_type): New enum type.
4538         (Script_sections::output_section_name): Add a new parameter for
4539         returning script section type.
4540         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4541         INFO and NOLOAD.
4542         * yyscript.y (union): Add new field SECTION_TYPE.
4543         (COPY, DSECT, INFO, NOLOAD): New tokens.
4544         (opt_address_and_section_type): Change type to output_section_header.
4545         (section_type): New non-terminal
4546         (section_header): Handle section type.
4547         (opt_address_and_section_type): Return section type value.
4548
4549 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4550
4551         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4552         * testsuite/plugin_common_test_2.c (foo): Likewise.
4553
4554 2010-04-08  Doug Kwan  <dougkwan@google.com>
4555
4556         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4557         Output_merge_data.
4558         * output.cc (Output_section::add_merge_input_section): Simplify
4559         code and return status of Output_merge_base::add_input_section.
4560         Update merge section map only if Output_merge_base::add_input_section
4561         returns true.
4562
4563 2010-04-07  Doug Kwan  <dougkwan@google.com>
4564
4565         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4566         if section is marked as containing instructions but has no mapping
4567         symbols.
4568         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4569         correct section index.
4570         (Arm_relobj::find_linked_text_section): Ditto.
4571
4572 2010-04-07  Cary Coutant  <ccoutant@google.com>
4573
4574         * archive.cc (include_member): Destroy Read_symbols_data object before
4575         releasing file.
4576         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4577         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4578         (Read_symbols_data::~Read_symbols_data) New destructor.
4579         (Section_relocs::Section_relocs) New constructor.
4580         (Section_relocs::~Section_relocs) New destructor.
4581         (Read_relocs_data::Read_relocs_data) New constructor.
4582         (Read_relocs_data::~Read_relocs_data) New destructor.
4583         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4584         pointers to NULL after deleting.
4585
4586 2010-04-07  Doug Kwan  <dougkwan@google.com>
4587
4588         * arm.cc: Replace "endianity" with "endianness" in comments.
4589         (Arm_exidx_cantunwind): Ditto.
4590         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4591         (Arm_relobj::merge_flags_and_attributes): New method.
4592         (Arm_relobj::merge_flags_and_attributes_): New data member.
4593         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4594         (Arm_relobj::scan_sections_for_stubs): Ditto.
4595         (Arm_relobj::do_read_symbols): Check to see if we really want to
4596         merge processor-specific flags and attributes.  Exit early if
4597         an object is empty except for section names and the undefined symbol.
4598         (Target_arm::do_finalize_sections): Move check for ELF format to
4599         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4600         attributes from a regular object only when we have determined that
4601         it is aapropriate.  Do not create an .ARM.attributes section in
4602         output if there is no regular input object.
4603         (Target_arm::merge_processor_specific_flags): Check
4604         --warn-mismatch before printing any error.
4605         (Target_arm::merge_object_attributes): Ditto.
4606         * gold.cc (queue_middle_tasks): Handle the case in which there is
4607         no regular object in input.
4608         * options.cc (General_options::parse_EB): New method.
4609         (General_options::parse_EL): Same.
4610         (General_options::General_options): Initialize endianness_.
4611         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4612         New options.
4613         (General_options::Endianness): New enum.
4614         (General_options::endianness): New method.
4615         (General_options::endianness_): New data member.
4616         * parameters.cc (Parameters::set_options): Check target endianness.
4617         (Parameters::set_target_once): Ditto.
4618         (Parameters::check_target_endianness): New method.
4619         (parameters_force_valid_target): If either -EL or -EB is specified,
4620         use it to define endianness of default target.
4621         * parameters.h (Parameters::check_target_endianness): New method
4622         declaration.
4623         * target.h (class Target): Change "endianity" to "endianness"
4624         in comments.
4625
4626 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4627
4628         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4629         * configure: Regenerate.
4630         * Makefile.in: Regenerate.
4631         * testsuite/Makefile.in: Regenerate.
4632
4633 2010-04-06  Cary Coutant  <ccoutant@google.com>
4634
4635         gcc PR lto/42757
4636         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4637         prevailing definitions of common symbols.
4638         * testsuite/plugin_test_6.sh: New test case.
4639         * testsuite/plugin_common_test_1.c: New test case.
4640         * testsuite/plugin_common_test_2.c: New test case.
4641         * testsuite/Makefile.am (plugin_test_6): New test case.
4642         * testsuite/Makefile.in: Regenerate.
4643
4644 2010-04-06  Nick Clifton  <nickc@redhat.com>
4645
4646         * po/vi.po: New Vietnamese translation.
4647
4648 2010-03-30  Doug Kwan  <dougkwan@google.com>
4649
4650         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4651
4652 2010-03-25  Doug Kwan  <dougkwan@google.com>
4653
4654         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4655         to avoid a conversion warning on a 32-bit host.
4656
4657 2010-03-24  Ian Lance Taylor  <iant@google.com>
4658
4659         * testsuite/script_test_3.t: Add a TLS segment.
4660         * testsuite/Makefile.am (check_PROGRAMS): Add
4661         tls_phdrs_script_test.
4662         (tls_phdrs_script_test_SOURCES): Define.
4663         (tls_phdrs_script_test_DEPENDENCIES): Define.
4664         (tls_phdrs_script_test_LDFLAGS): Define.
4665         (tls_phdrs_script_test_LDADD): Define.
4666         * testsuite/Makefile.in: Rebuild.
4667
4668 2010-03-23  Cary Coutant  <ccoutant@google.com>
4669
4670         * fileread.cc (find_or_make_view): Fix comment.
4671
4672 2010-03-23  Ian Lance Taylor  <iant@google.com>
4673
4674         * script-sections.cc (class Orphan_section_placement): Define
4675         PLACE_TLS and PLACE_TLS_BSS.
4676         (Orphan_section_placement::Orphan_section_placement): Initialize
4677         new places.
4678         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4679         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4680         (tls_script_test_SOURCES): Define.
4681         (tls_script_test_DEPENDENCIES): Define.
4682         (tls_script_test_LDFLAGS): Define.
4683         (tls_script_test_LDADD): Define.
4684         * testsuite/Makefile.in: Rebuild.
4685
4686 2010-03-22  Doug Kwan  <dougkwan@google.com>
4687
4688         * arm.cc (Arm_relocate_functions::abs8,
4689         Arm_relocate_functions::abs16): Use correct check for overflow
4690         specified in the ARM ELF specs.
4691         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4692         target of a BLX instruction specially.
4693         (Reloc_stub::stub_type_for_reloc): Ditto.
4694         (Relocate::relocate): Use symbolic names instead of numeric relocation
4695         codes to report error.
4696         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4697         workaround.
4698         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4699         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4700         thumb2_blx_out_of_range.stdout
4701         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4702         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4703         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4704         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4705         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4706         thumb2_blx_in_range, thumb2_blx_in_range.o,
4707         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4708         thumb2_blx_out_of_range.o): New rules.
4709         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4710         thumb2_blx_in_range and thumb2_blx_out_of_range.
4711         * testsuite/Makefile.in: Regenerate.
4712         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4713         * testsuite/thumb_blx_in_range.s: New file.
4714         * testsuite/thumb_blx_out_of_range.s: New file.
4715
4716 2010-03-22  Rafael Espindola  <espindola@google.com>
4717
4718         * archive.cc (Should_include): Move to archive.h.
4719         (should_include_member): Make it a member of Archive.
4720         (Lib_group): New.
4721         (Add_lib_group_symbols): New.
4722         * archive.h: Include options.h.
4723         (Archive_member): Moved from Archive.
4724         (Should_include): Moved from archive.cc.
4725         (Lib_group): New.
4726         (Add_lib_group_symbols): New.
4727         * dynobj.cc (do_should_include_member): New.
4728         * dynobj.h (do_should_include_member): New.
4729         * gold.cc (queue_initial_tasks): Update call to queue.
4730         * main.cc (main): Print lib group stats.
4731         * object.cc (do_should_include_member): New.
4732         * object.h: Include archive.h.
4733         (Object::should_include_member): New.
4734         (Object::do_should_include_member): New.
4735         (Sized_relobj::do_should_include_member): New.
4736         * options.cc (General_options::parse_start_lib): New.
4737         (General_options::parse_end_lib): New.
4738         (Input_arguments::add_file): Handle lib groups.
4739         (Input_arguments::start_group): Check we are not in a lib.
4740         (Input_arguments::start_lib): New.
4741         (Input_arguments::end_lib): New.
4742         * options.h (General_options): Add start_lib and end_lib.
4743         (Input_argument::lib_): New.
4744         (Input_argument::lib): New.
4745         (Input_argument::is_lib): New.
4746         (Input_file_lib): New.
4747         (Input_arguments::in_lib_): New.
4748         (Input_arguments::in_lib): New.
4749         (Input_arguments::start_lib): New.
4750         (Input_arguments::end_lib_): New.
4751         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4752         in unused members as preempted.
4753         (Sized_pluginobj::do_should_include_member): New.
4754         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4755         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4756         return the blocker.
4757         (Read_symbols::do_whole_lib_group): New.
4758         (Read_symbols::do_lib_group): New.
4759         (Read_symbols::do_read_symbols): Handle lib groups.
4760         (Read_symbols::get_name): Handle lib groups.
4761         * readsyms.h (Read_symbols): Add an archive member pointer.
4762         (Read_symbols::do_whole_lib_group): New.
4763         (Read_symbols::do_lib_group): New.
4764         (Read_symbols::member_): New.
4765         * script.cc (read_input_script): Update call to queue_soon.
4766
4767 2010-03-19  Doug Kwan  <dougkwan@google.com>
4768
4769         * arm.cc (Stub_table::Stub_table): Initialize new data members
4770         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4771         (Stub_table::add_reloc_stub): Assign stub offset and update
4772         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4773         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4774         New data members.
4775         (Stub_table::update_data_size_and_addralign): Use
4776         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4777         instead of going over all reloc stubs.
4778         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4779         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4780         Stringpool_template::offset_ to size of Stringpool_char.
4781         (Stringpool_template::new_key_offset): Remove code to initialize
4782         Stringpool_template::offset_.
4783         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4784         Stringpool_template::offset_ to zero.
4785
4786 2010-03-15  Doug Kwan  <dougkwan@google.com>
4787
4788         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4789         offset_.
4790         (Stringpool_template::new_key_offset): New method.
4791         (Stringpool_template::add_string): Assign offsets when adding new
4792         strings.
4793         (Stringpool_template::set_string_offsets): Do not set string offsets
4794         when not optimizing.
4795         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4796         member size_.
4797         (Chunked_vector::clear): Clear size_.
4798         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4799         (Chunked_vector::size): Return size_.
4800         (Chunked_vector::push_back): Use size_ to find insert position.
4801         (Chunked_vector::size_): New data member.
4802         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4803         (Stringpool_template::new_key_offset): New method declaration.
4804         (Stringpool_template::offset_): New data member.
4805
4806 2010-03-15   Rafael Espindola  <espindola@google.com>
4807
4808         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4809         Add_symbols' constructor.
4810         * readsyms.h (Add_symbols): Remove the input_group member.
4811
4812 2010-03-10  Ian Lance Taylor  <iant@google.com>
4813
4814         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4815         target to ask whether a reference to a symbol requires a stack
4816         split.
4817         * target.h (Target::is_call_to_non_split): New function.
4818         (Target::do_is_call_to_non_split): Declare virtual function.
4819         * target.cc: Include "symtab.h".
4820         (Target::do_is_call_to_non_split): New function.
4821         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4822
4823 2010-03-10  Cary Coutant  <ccoutant@google.com>
4824
4825         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4826         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4827         (File_read::open[2]): Add whole_file_view_ to list of views.
4828         (File_read::make_view): Remove test of whole_file_view_.
4829         (File_read::find_or_make_view): Create whole_file_view_ if
4830         necessary.
4831         (File_read::clear_views): Replace bool parameter with enum;
4832         adjust all callers.  Don't delete views with permanent data;
4833         do delete cached views and views from archives if
4834         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4835         if clearing the corresponding view.
4836         * fileread.h (File_read::Clear_views_mode): New enum.
4837         (File_read::View::is_permanent_view): New method.
4838         (File_read::clear_views): Replace bool parameter
4839         with enum; adjust all callers.
4840         * options.h (General_options): Change keep_files_mapped option;
4841         add map_whole_files.
4842         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4843         releasing the file.
4844         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4845         the file.
4846
4847 2010-03-10  David S. Miller  <davem@davemloft.net>
4848
4849         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4850
4851 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4852
4853         * icf.cc (get_section_contents): Add '@' marker after processing the
4854         merge reloc.
4855
4856 2010-03-08  Doug Kwan  <dougkwan@google.com>
4857
4858         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4859         due to a conversion warning.
4860         (Arm_relobj::update_output_local_symbol_count): Check for local
4861         symbol with unset output index.
4862
4863 2010-03-05  Ian Lance Taylor  <iant@google.com>
4864
4865         * options.h (class General_options): Add --spare-dynamic-tags.
4866         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4867         --spare-dynamic-tags.
4868
4869 2010-03-05  Ian Lance Taylor  <iant@google.com>
4870
4871         * incremental.cc: Include "libiberty.h".
4872
4873 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4874
4875         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4876         function, is_info_ member.
4877         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4878         (Versions::Versions): Update caller.
4879         (Versions::define_base_version): Likewise.
4880         (Versions::add_def): Likewise.
4881
4882 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4883
4884         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4885         (Scan::possible_function_pointer_reloc): New function.
4886         (Scan::local_reloc_may_be_function_pointer): Change to call
4887         possible_function_pointer_reloc.
4888         (Scan::global_reloc_may_be_function_pointer): Ditto.
4889         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4890         relocations in ".data.rel.ro._ZTV" section.
4891         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4892         * testsuite/icf_safe_so_test.cc: Ditto.
4893         * testsuite/icf_safe_test.cc: Ditto.
4894         * testsuite/icf_safe_test.sh: Ditto.
4895
4896 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4897             Ian Lance Taylor  <iant@google.com>
4898
4899         * target-reloc.h (relocate_section): Check the symbol table index
4900         for -1U before setting the local symbol index.
4901         (scan_relocatable_relocs): If copying the relocation, record that
4902         the local symbol is required.
4903         * object.h (Symbol_value::is_output_symtab_index_set): New
4904         function.
4905         (Symbol_value::may_be_discarded_from_output_symtab): New
4906         function.
4907         (Symbol_value::has_output_symtab_entry): New function.
4908         (Symbol_value::needs_output_symtab_entry): Remove.
4909         (Symbol_value::output_symtab_index): Make sure the symbol index is
4910         set.
4911         (Symbol_value::set_output_symtab_index): Make sure the symbol
4912         index is not set.  Make sure the new index is valid.
4913         (Symbol_value::set_must_have_output_symtab_entry): New function.
4914         (Symbol_value::has_output_dynsym_entry): New function.
4915         (Symbol_value::set_output_dynsym_index): Make sure the new index
4916         is valid.
4917         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4918         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4919         local symbol if permitted.
4920         (Sized_relobj::do_finalize_local_symbols): Call
4921         is_output_symtab_index_set rather than needs_output_symtab_entry.
4922         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4923         rather than needs_output_symtab_entry.  Call
4924         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4925         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4926         is_output_symtab_index_set rather than needs_output_symtab_entry.
4927         * testsuite/discard_locals_relocatable_test.c: New file.
4928         * testsuite/discard_locals_test.sh: Test -r.
4929         * testsuite/Makefile.am (check_DATA): Add
4930         discard_locals_relocatable_test1.syms,
4931         discard_local_relocatable_test2.syms.
4932         (MOSTLYCLEANFILES): Likewise.  Also add
4933         discard_locals_relocatable_test1.lout and
4934         discard_locals_relocatable_test2.out.
4935         (discard_locals_relocatable_test1.syms): New target.
4936         (discard_locals_relocatable_test.o): New target.
4937         (discard_locals_relocatable_test1.out): New target.
4938         (discard_locals_relocatable_test2.syms): New target.
4939         (discard_locals_relocatable_test2.out): New target.
4940         (various): Add missing ../ld-new dependencies.
4941         * testsuite/Makefile.in: Rebuild.
4942
4943 2010-03-03  Nick Clifton  <nickc@redhat.com>
4944
4945         * po/fi.po: New Finnish translation.
4946
4947 2010-03-01  Doug Kwan  <dougkwan@google.com>
4948
4949         * layout.cc (Layout::Layout): Force section types of .init_array*,
4950         .preinit_array* and .fini_array* sections.
4951         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4952         Fix check of return value of std::string::find.().
4953         (Output_section::Input_section_sort_compare::operator()): Remove
4954         comment about .init_array.
4955         (Output_section::Input_section_sort_init_fini_compare::operator()):
4956         New method.
4957         (Output_section::sort_attached_input_sections): Handle .init_array
4958         and .fini_array specially.
4959         * output.h (Output_section::Inut_section_sort_compare): Update
4960         comment.
4961         (Output_section::Input_section_sort_init_fini_compare): New struct.
4962
4963 2010-02-26  Doug Kwan  <dougkwan@google.com>
4964
4965         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4966         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4967         * testsuite/debug_msg.sh: Avoid matching source line number for
4968         use of global variable undef_int.
4969
4970 2010-02-26  Doug Kwan  <dougkwan@google.com>
4971
4972         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4973         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4974         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4975         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4976         * options.cc (General_options::General_options): Initialize member
4977         fix_v4bx_.
4978         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4979         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4980         and rm_no_fix_v4bx.stdout
4981         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4982         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4983         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4984         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4985         and arm_no_fix_v4bx.
4986         * Makefile.in: Regenerate.
4987         * testsuite/arm_fix_v4bx.s: New file.
4988         * testsuite/arm_fix_v4bx.sh: Ditto.
4989
4990 2010-02-24  Doug Kwan  <dougkwan@google.com>
4991
4992         * arm.cc (Target_arm::got_section): Make the .got section the first
4993         non RELRO section in the data segment.
4994         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4995         suffixes of section names.
4996
4997 2010-02-24  Doug Kwan  <dougkwan@google.com>
4998
4999         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5000         flags and attributes merging if an input file is a binary file.
5001         * fileread.cc (Input_file::open): Record format of original file.
5002         * fileread.h (Input_file::Format): New enum type.
5003         (Input_file::Input_file): Initialize data member format_.
5004         (Input_file::format): New method definition.
5005         (Input_file::format_):: New data member.
5006
5007 2010-02-24  Doug Kwan  <dougkwan@google.com>
5008
5009         * arm.cc (Arm_output_data_got): New class.
5010         (ARM_TCB_SIZE): New constant
5011         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5012         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5013         If user uses a script with a SECTIONS clause, issue only a warning
5014         for a misplaced EXIDX input section.  Otherwise, issue an error.
5015         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5016         garbage collection.
5017         (Target_arm::got_mode_index_entry): Handle static linking.
5018         (Target_arm::Scan::local): Ditto.
5019         (Target_arm::Scan::global): Ditto.
5020         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5021         all incorrectly implemented relocations.
5022         (Target_arm::fix_exidx_coverage): Pass layout to
5023         Arm_output_section::fix_exidx_coverage.
5024         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5025         from ".ARM.exidx." and ".ARM.extab.".
5026
5027 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5028
5029         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5030         section if it does not already exist.
5031         * attributes.cc (Attributes_section_data::Attributes_section_data):
5032         Don't crash if size is zero.
5033
5034 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5035             Ian Lance Taylor  <iant@google.com>
5036
5037         * gold.cc (queue_middle_tasks): If no input files were opened,
5038         exit.
5039         * workqueue.h (Task_function::Task_function): Assert that there is
5040         a blocker.
5041
5042 2010-02-22  Doug Kwan  <dougkwan@google.com>
5043
5044         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5045         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5046         types to avoid warnings due to different uint64_t implementations
5047         on different hosts.
5048
5049 2010-02-21  Doug Kwan  <dougkwan@google.com>
5050
5051         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5052         handling of the maximum backward branch offset.
5053         (Arm_relocate_functions::thumb_branch_common): Ditto.
5054         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5055         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5056         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5057         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5058         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5059         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5060         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5061         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5062         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5063         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5064         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5065         thumb2_bl_out_of_range.o): New rules.
5066         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5067         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5068         thumb2_bl_out_of_range
5069         * testsuite/Makefile.in: Regenerate.
5070         * testsuite/arm_bl_in_range.s: New file.
5071         * testsuite/arm_bl_out_of_range.s: Ditto.
5072         * testsuite/arm_branch_in_range.sh: Ditto.
5073         * testsuite/arm_branch_range.t: Ditto.
5074         * testsuite/thumb2_branch_range.t: Ditto.
5075         * testsuite/thumb_bl_in_range.s: Ditto.
5076         * testsuite/thumb_bl_out_of_range.s: Ditto.
5077         * testsuite/thumb_branch_range.t: Ditto.
5078
5079 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5080
5081         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5082         Add reloc offset information.
5083         * icf.cc (get_section_contents): Change iterators to point to the new
5084         vectors. Add reloc offset information to the contents.
5085         * icf.h (Icf::Sections_reachable_info): New typedef.
5086         (Icf::Sections_reachable_list): New typedef.
5087         (Icf::Offset_info): New typedef.
5088         (Icf::Reloc_info): New struct typedef.
5089         (Icf::Reloc_info_list): New typedef.
5090         (Icf::symbol_reloc_list): Delete method.
5091         (Icf::addend_reloc_list): Delete method.
5092         (Icf::section_reloc_list): Delete method.
5093         (Icf::reloc_info_list): New method.
5094         (Icf::reloc_info_list_): New member.
5095
5096 2010-02-19  Doug Kwan  <dougkwan@google.com>
5097
5098         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5099         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5100         * arm.cc (Arm_relocation_functions): New forward declaration.
5101         (Target_arm::Target_arm): Initialize new data members
5102         got_mod_index_offset_ and tls_base_symbol_defined_.
5103         (Target_arm::Relocate::relocate_tls): New method.
5104         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5105          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5106         New methods.
5107         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5108         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5109         (Target_arm::got_mod_index_offset_,
5110         Target_arm::tls_base_symbol_defined_): New data members.
5111         (Target_arm::Scan::local, Target::Scan::global,
5112         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5113         relocations.
5114
5115 2010-02-18  Doug Kwan  <dougkwan@google.com>
5116
5117         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5118         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5119         text section as a parameter becuase some broken tools may not set
5120         the link in section header.
5121         (Target_arm::has_got_section): New method.
5122         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5123         without any mapping symbol as data only.  Remove warning.
5124         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5125         link in its section header, try to discover the link by inspecting the
5126         REL31 relocation at the beginning of the section.
5127         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5128         in error message.
5129         (Target_arm::Scan::global): Treat any reference to the symbol
5130         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5131
5132 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5133
5134         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5135         (Scan::global_reloc_may_be_function_pointer): New function.
5136         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5137         (Scan::global_reloc_may_be_function_pointer): New function.
5138         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5139         (Scan::global_reloc_may_be_function_pointer): New function.
5140         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5141         (Scan::global_reloc_may_be_function_pointer): New function.
5142         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5143         (Scan::global_reloc_may_be_function_pointer): New function.
5144         (Scan::possible_function_pointer_reloc): New function.
5145         (Target_x86_64::can_check_for_function_pointers): New function.
5146         * gc.h (gc_process_relocs): Scan relocation types to determine if
5147         function pointers were taken for targets that support it.
5148         * icf.cc (Icf::find_identical_sections): Include functions for
5149         folding in safe ICF whose pointer is not taken.
5150         * icf.h (Secn_fptr_taken_set): New typedef.
5151         (fptr_section_id_): New member.
5152         (section_has_function_pointers): New function.
5153         (set_section_has_function_pointers): New function.
5154         (check_section_for_function_pointers): New function.
5155         * options.h: Fix comment for safe ICF option.
5156         * target.h (can_check_for_function_pointers): New function.
5157         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5158         Modify icf_safe_test for X86-64.
5159         * testsuite/Makefile.in: Regenerate.
5160         * testsuite/icf_safe_so_test.cc: New file.
5161         * testsuite/icf_safe_so_test.sh: New file.
5162         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5163         (main): Change to take pointer to function kept_func_3.
5164         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5165         folding is done correctly for X86-64.
5166
5167 2010-02-12  David S. Miller  <davem@davemloft.net>
5168
5169         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5170         is_symbolless parameter.
5171         (Output_reloc<SHT_REL>::is_symbolless): New.
5172         (Output_reloc<SHT_REL>::is_symbolless_): New.
5173         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5174         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5175         (Output_reloc<SHT_RELA>::is_symbolless): New.
5176         (Output_data_reloc::add_global): Handle is_symbolless.
5177         (Output_data_reloc::add_global_relative): Likewise.
5178         (Output_data_reloc::add_local): Likewise.
5179         (Output_data_reloc::add_local_relative): Likewise.
5180         (Output_data_reloc::add_symbolless_global_addend): New.
5181         (Output_data_reloc::add_symbolless_local_addend): New.
5182         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5183         is_symbolless.
5184         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5185         instead of ->is_relative_
5186         (Output_reloc::write): Likewise.
5187         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5188         (Output_reloc::write_rel): Simplify.
5189
5190         * sparc.cc (Target_sparc::Scan::local): Use
5191         ->add_symbolless_local_addend as needed.
5192         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5193         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5194         based upon relocation offset.
5195
5196 2010-02-11  Doug Kwan  <dougkwan@google.com>
5197
5198         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5199         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5200         beginning of function.
5201         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5202         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5203         parameter is_32bit in calls to should_apply_static_reloc.
5204         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5205         (check_DATA): Add arm_abs_global.stdout.
5206         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5207         arm_abs_global.stdout): New rules.
5208         (MOSTLLYCLEANFILES): Add arm_abs_global
5209         * Makefile.in: Regenerate.
5210         * testsuite/arm_abs_global.s: New file.
5211         * testsuite/arm_abs_global.sh: Ditto.
5212         * testsuite/arm_abs_lib.s: Ditto.
5213
5214 2010-02-11  Ian Lance Taylor  <iant@google.com>
5215
5216         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5217         Read_relocs task.
5218         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5219         Allocate_commons_task first.
5220         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5221         task, rather than symtab_lock_.
5222         (Gc_process_relocs::~Gc_process_relocs): New function.
5223         (Gc_process_relocs::is_runnable): Check this_blocker_.
5224         (Gc_process_relocs::locks): Use next_blocker_ rather than
5225         blocker_.
5226         (Scan_relocs::~Scan_relocs): New function.
5227         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5228         symtab_lock_.
5229         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5230         next_blocker_.
5231         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5232         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5233         constructor accordingly.
5234         (class Gc_process_relocs): Likewise.
5235         (class Scan_relocs): Likewise.
5236         * common.h (class Allocate_commons_task): Remove symtab_lock_
5237         field, and corresponding constructor parameter.
5238         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5239         symtab_lock_.
5240         (Allocate_commons_task::locks): Likewise.
5241
5242 2010-02-11  Ian Lance Taylor  <iant@google.com>
5243
5244         * gold-threads.h (class Once): Define.
5245         (class Initialize_lock): Rewrite as child of Once.
5246         * gold-threads.cc (class Once_initialize): Define.
5247         (once_pointer_control): New static variable.
5248         (once_pointer, once_arg): New static variables.
5249         (c_run_once): New static function.
5250         (Once::Once, Once::run_once, Once::internal_run): New functions.
5251         (class Initialize_lock_once): Remove.
5252         (initialize_lock_control): Remove.
5253         (initialize_lock_pointer): Remove.
5254         (initialize_lock_once): Remove.
5255         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5256         (Initialize_lock::initialize): Rewrite.
5257         (Initialize_lock::do_run_once): New function.
5258         * archive.cc (Archive::interpret_header): Only clear name if it is
5259         not already empty.
5260         * fileread.cc: Include "gold-threads.h"
5261         (file_counts_lock): New static variable.
5262         (file_counts_initialize_lock): Likewise.
5263         (File_read::release): Only increment counts when using --stats.
5264         Use a lock around the increment.
5265         * parameters.cc (class Set_parameters_target_once): Define.
5266         (set_parameters_target_once): New static variable.
5267         (Parameters::Parameters): Move here from parameters.h.
5268         (Parameters::set_target): Rewrite.
5269         (Parameters::set_target_once): New function.
5270         (Parameters::clear_target): Move here and rewrite.
5271         * parameters.h (class Parameters): Update declarations.  Add
5272         set_parameters_target_once_ field.
5273         (Parameters::Parameters): Move to parameters.cc.
5274         (Parameters::clear_target): Likewise.
5275         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5276         task.
5277         (Start_group::~Start_group): New function.
5278         (Start_group::is_runnable): New function.
5279         (Start_group::locks, Start_group::run): New functions.
5280         (Finish_group::run): Change saw_undefined to size_t.
5281         * readsyms.h (class Start_group): Define.
5282         (class Finish_group): Change saw_undefined_ field to size_t.
5283         (Finish_group::Finish_group): Remove saw_undefined and
5284         this_blocker parameters.  Change all callers.
5285         (Finish_group::set_saw_undefined): New function.
5286         (Finish_group::set_blocker): New function.
5287         * symtab.h (class Symbol_table): Change saw_undefined to return
5288         size_t.  Change saw_undefined_ field to size_t.
5289         * target-select.cc (Set_target_once::do_run_once): New function.
5290         (Target_selector::Target_selector): Initialize set_target_once_
5291         field.  Don't initialize lock_ and initialize_lock_ fields.
5292         (Target_selector::instantiate_target): Rewrite.
5293         (Target_selector::set_target): New function.
5294         * target-select.h (class Set_target_once): Define.
5295         (class Target_selector): Update declarations.  Make
5296         Set_target_once a friend.  Remove lock_ and initialize_lock_
5297         fields.  Add set_target_once_ field.
5298
5299 2010-02-10  Ian Lance Taylor  <iant@google.com>
5300
5301         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5302         queueing any tasks.
5303         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5304         (queue_middle_tasks): Add all blockers before queueing any tasks.
5305         (queue_final_tasks): Likewise.
5306         * token.h (Task_token::add_blockers): New function.
5307         * object.h (Input_objects::number_of_relobjs): New function.
5308
5309 2010-02-10  Ian Lance Taylor  <iant@google.com>
5310
5311         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5312         shared, not if not position independent.
5313         * x86_64.cc (Relocate::relocate_tls): Likewise.
5314         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5315         (tls_pie_pic_test): New target.
5316         * testsuite/Makefile.in: Rebuild.
5317
5318         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5319         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5320         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5321         * testsuite/Makefile.in: Rebuild.
5322
5323 2010-02-09  David S. Miller  <davem@davemloft.net>
5324
5325         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5326         R_SPARC_RELATIVE using ->add_local_relative().
5327         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5328
5329         * output.h (Output_data_dynamic::add_section_size): New method
5330         that takes two Output_data objects.
5331         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5332         entry param.  Handle it in initializers.
5333         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5334         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5335         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5336         arg.
5337         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5338         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5339         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5340         for dynrel_includes_plt.
5341         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5342         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5343         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5344         before .rela.plt
5345         (Target_sparc::do_finalize_sections): Update to pass true for
5346         dynrel_includes_plt.
5347         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5348         output before .rela.plt
5349         (Target_powerpc::do_finalize_sections): Update to pass true for
5350         dynrel_includes_plt when 32-bit.
5351
5352 2010-02-08  Doug Kwan  <dougkwan@google.com>
5353
5354         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5355         method.
5356         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5357         Arm_relobj::scan_section_for_cortex_a8_stubs,
5358         Arm_relobj::do_relocation_section): Instead of calling
5359         Output_section::output_address, use faster
5360         Arm_relobj::simple_input_section_output_address.
5361
5362 2010-02-08  David S. Miller  <davem@davemloft.net>
5363
5364         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5365         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5366         relocation helper function.
5367
5368         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5369         just like R_SPARC_GOT{10,13,22}.
5370         (Target_sparc::Scan::local): Likewise.
5371         (Target_sparc::Relocate:relocate): Likewise.
5372
5373 2010-02-06  Ian Lance Taylor  <iant@google.com>
5374
5375         * configure.ac: Rewrite targetobjs duplicate removal code to use
5376         only shell constructs.
5377         * configure: Rebuild.
5378
5379 2010-02-05  Doug Kwan  <dougkwan@google.com>
5380
5381         PR 11247
5382         * arm.cc (Arm_relobj::section_is_scannable): New method.
5383         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5384         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5385
5386 2010-02-04  Doug Kwan  <dougkwan@google.com>
5387
5388         PR 11247
5389         * arm-reloc-property.cc (cstdio): Include.
5390         * configure.ac (targetobjs): Remove duplicates.
5391         * configure: Regenerate.
5392         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5393         big and little endian version for a given address size.
5394
5395 2010-02-03  Doug Kwan  <dougkwan@google.com>
5396
5397         * arm-reloc-property.cc
5398         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5399         definition.
5400         * arm-reloc-property.h
5401         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5402         New method definition.
5403         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5404         declaration.
5405         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5406         overflow to N.
5407         (GOT_PREL): Change implemented to Y.
5408         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5409         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5410         (Arm_relocate_functions::movw_abs_nc): Remove method.
5411         (Arm_relocate_functions::movt_abs): Ditto.
5412         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5413         (Arm_relocate_functions::thm_movt_abs): Ditto.
5414         (Arm_relocate_functions::movw_rel_nc): Ditto.
5415         (Arm_relocate_functions::movw_rel): Ditto.
5416         (Arm_relocate_functions::movt_rel): Ditto.
5417         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5418         (Arm_relocate_functions:thm_movw_rel): Ditto.
5419         (Arm_relocate_functions:thm_movt_rel): Ditto.
5420         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5421         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5422         New method definitions.
5423         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5424         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5425         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5426         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5427         (Target_arm::Relocate::relocate): Check for non-static or
5428         unimplemented relocation code and exit early.  Change calls to
5429         Target_arm::reloc_uses_thumb_bit and
5430         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5431         instead.  Refactor code to handle similar relocations to increase
5432         code sharing.  Remove check for unsupported relocation code in switch
5433         statement.
5434         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5435         relocation property table to find out size.  Change error message to
5436         print out the name of a relocation code instead of the numeric value.
5437         (Target_arm::scan_reloc_for_stub): Use relocation property table
5438         instead of calling Target_arm::reloc_uses_thumb_bit().
5439
5440 2010-02-02  Doug Kwan  <dougkwan@google.com>
5441
5442         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5443         types of relaxed input section.
5444
5445 2010-02-02  Doug Kwan  <dougkwan@google.com>
5446
5447         * Makefile.am (HFILES): Add arm-reloc-property.h.
5448         (DEFFILES): New.
5449         (TARGETSOURCES): Add arm-reloc-property.cc
5450         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5451         (libgold_a_SOURCES): $(DEFFILES)
5452         * Makefile.in: Regenerate.
5453         * arm-reloc-property.cc: New file.
5454         * arm-reloc-property.h: New file.
5455         * arm-reloc.def: New file.
5456         * arm.cc: Update comments.
5457         (arm-reloc-property.h): New included header.
5458         (arm_reloc_property_table): New global variable.
5459         (Target_arm::do_select_as_default_target): New method definition.
5460         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5461         arm-reloc-property to targ_extra_obj.
5462         * parameters.cc (set_parameters_target): Call
5463         Target::select_as_default_target().
5464         * target.h (Target::select_as_default_target): New method definition.
5465         (Target::do_select_as_default_target): Same.
5466
5467 2010-02-01  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5470         first_output_text_section_.
5471         (Arm_exidx_fixup::first_output_text_section): New method definition.
5472         (Arm_exidx_fixup::first_output_text_section_): New data member.
5473         (Arm_exidx_fixup::process_exidx_section): Record the first text
5474         output section seen.
5475         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5476         and entsize in output section header.
5477
5478 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5479
5480         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5481         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5482         (Arm_relocate_functions::thm_alu11): New Method.
5483         (Arm_relocate_functions::thm_pc8): New Method.
5484         (Arm_relocate_functions::thm_pc12): New Method.
5485         (Target_arm::Scan::local): Handle the relocations.
5486         (Target_arm::Scan::global): Likewise.
5487         (Target_arm::Relocate::relocate): Likewise.
5488         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5489
5490 2010-01-29  Doug Kwan  <dougkwan@google.com>
5491
5492         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5493         of relocation types as ld.
5494
5495 2010-01-29  Doug Kwan  <dougkwan@google.com>
5496
5497         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5498         to public.
5499         (Arm_relocate_functions::thumb_branch_common): Ditto.
5500         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5501         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5502         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5503         Arm_relocate_functions::jump24): Remove.
5504         (Target_arm::Relocate::relocate): Adjust code to call
5505         Arm_relocation_functions::arm_branch_common and
5506         Arm_relocation_functions::thumb_branch_common instead of their removed
5507         wrappers.  Merge switch-cases together to reduce source code size.
5508
5509 2010-01-29  Doug Kwan  <dougkwan@google.com>
5510
5511         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5512         output_local_symbol_count_needs_update_.
5513         (Arm_relobj::output_local_symbol_count_needs_update,
5514          Arm_relobj::set_output_local_symbol_count_needs_update,
5515          Arm_relobj::update_output_local_symbol_count): New methods.
5516         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5517         member.
5518         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5519         of pointed function as in a R_ARM_PREL31 relocation.
5520         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5521         for output local symbol count updating.
5522         (Target_arm::do_relax): Update output local symbol counts in objects
5523         if necessary.
5524         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5525
5526 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5527
5528         * arm.cc: Added support for the ARM relocations:
5529         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5530         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5531         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5532         movw_prel_nc).
5533         (Arm_relocate_functions::movw_rel): New method.
5534         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5535         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5536         thm_movw_prel_nc).
5537         (Arm_relocate_functions::thm_movw_rel): New method.
5538         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5539         thm_movt_prel).
5540         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5541         relocations.
5542         (Target_arm::Scan::global): Likewise.
5543         (Target_arm::Relocate::relocate): Likewise.
5544         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5545         Likewise.
5546
5547 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5548
5549         * arm.cc: Added support for ARM group relocations.
5550         (Target_arm::reloc_needs_sym_origin): New method.
5551         (Arm_relocate_functions::calc_grp_kn): New method.
5552         (Arm_relocate_functions::calc_grp_residual): New method.
5553         (Arm_relocate_functions::calc_grp_gn): New method.
5554         (Arm_relocate_functions::arm_grp_alu): New Method.
5555         (Arm_relocate_functions::arm_grp_ldr): New Method.
5556         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5557         (Arm_relocate_functions::arm_grp_ldc): New Method.
5558         (Target_arm::Scan::local): Handle the ARM group relocations.
5559         (Target_arm::Scan::global): Likewise.
5560         (Target_arm::Relocate::relocate): Likewise.
5561         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5562         Likewise.
5563
5564 2010-01-26  Doug Kwan  <dougkwan@google.com>
5565
5566         * arm.cc (set): Include.
5567         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5568         pointer type.
5569         (Arm_output_section::Text_section_list): New type.
5570         (Arm_output_section::append_text_sections_to_list): New method.
5571         (Arm_output_section::fix_exidx_coverage): Ditto.
5572         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5573         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5574         Relobj::set_section_offset() instead of
5575         Sized_relobj::invalidate_section_offset().
5576         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5577         parameter for section headers. Ignore relocation sections for
5578         unallocated sections and EXIDX sections.
5579         (Target_arm::fix_exidx_coverage): New method.
5580         (Target_arm::output_section_address_less_than): New type.
5581         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5582         linked text section instead of the EXIDX section.
5583         (Arm_output_section::create_stub_group): Add an assertion to check
5584         that this is not an EXIDX output section.
5585         (Arm_output_section::append_text_sections_to_list): New method.
5586         (Arm_output_section::fix_exidx_coverage): Ditto.
5587         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5588         Arm_relobj::section_needs_reloc_stub_scanning.
5589         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5590         first pass.
5591         (Target_arm::fix_exidx_coverage): New method.
5592         * object.h (Relobj::set_output_section): New method.
5593         (Sized_relobj::invalidate_section_offset): Remove method.
5594         (Sized_relobj::do_invalidate_section_offset): Remove method.
5595         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5596
5597 2010-01-25  Doug Kwan  <dougkwan@google.com>
5598
5599         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5600         Fix warning due to signed and unsigned comparison on a 32-bit host.
5601
5602 2010-01-22  Doug Kwan  <dougkwan@google.com>
5603
5604         * arm.cc (Target_arm::do_relax): Record an output section for section
5605         offset adjustment it contains any stub table that has changed.
5606         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5607         offsets in an output section if necessary.
5608         * output.cc (Output_section::Output_section): Initialize
5609         section_offsets_need_adjustments_.
5610         (Output_section::add_input_section_for_script): Renamed to
5611         Output_section::add_simple_input_section.
5612         (Output_section::save_states): Add a comment.
5613         (Output_section::discard_states): New method defintion.
5614         (Output_section::adjust_section_offsets): Same.
5615         * output.h (Output_section::add_input_section_for_script): Renamed to
5616         Output_section::add_simple_input_section.
5617         (Output_section::discard_states): New method declaration.
5618         (Output_section::adjust_section_offsets): Same.
5619         (Output_section::section_offsets_need_adjustment,
5620         Output_section::set_section_offsets_need_adjustment): New method
5621         definitions.
5622         (Output_section::section_offsets_need_adjustment_): New data member.
5623         * script-sections.cc
5624         (Output_section_element_input::set_section_address): Adjust code for
5625         renaming of Output_section::add_input_section_for_script.
5626         (Orphan_output_section::set_section_address): Same.
5627
5628 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5629
5630         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5631         Fix_v4bx enum values .
5632         * gold/options.h (General_options): New option definitions.
5633         (General_options::fix_v4bx): New method.
5634         (General_options::Fix_v4bx): New enum.
5635         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5636         (General_options::parse_fix_v4bx_interworking): New method.
5637
5638 2010-01-22  Doug Kwan  <dougkwan@google.com>
5639
5640         * arm.cc (Arm_exidx_fixup): New class.
5641
5642 2010-01-21  Doug Kwan  <dougkwan@google.com>
5643
5644         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5645         classes.
5646         (Arm_exidx_section_offset_map): New type.
5647
5648 2010-01-21  Doug Kwan  <dougkwan@google.com>
5649
5650         * arm.cc (Arm_exidx_input_section): New class.
5651         (Arm_relobj::exidx_input_section_by_link,
5652         Arm_relobj::exidx_input_section_by_shndx,
5653         Arm_relobj::make_exidx_input_section): New methods.
5654         (read_arm_attributes_section): Remove.
5655         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5656         information about them.
5657         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5658         to here.
5659
5660 2010-01-20  Doug Kwan  <dougkwan@google.com>
5661
5662         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5663         Input_section_specifier to Section_id.
5664         (Target_arm::new_arm_input_section: Adjust code for change of key
5665         type.
5666         (Target_arm::find_arm_input_section): Ditto.
5667         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5668         (Section_id): Remove.
5669         (Garbage_collection::Section_id_hash): Remove.
5670         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5671         (Section_id): Remove.
5672         (Icf::Section_id_hash): Remove.
5673         * object.h (Section_id, Const_section_id, Section_id_hash,
5674         Const_section_id_hash): New type definitions.
5675         * output.cc (Output_section::add_relaxed_input_section): Change to
5676         use Const_section_id instead of Input_section_specifier as key type.
5677         (Output_section::add_merge_input_section): Ditto.
5678         (Output_section::build_relaxation_map): Change to use Section_id
5679         instead of Input_section_specifier as key type.
5680         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5681         Ditto.
5682         (Output_section::convert_input_sections_to_relaxed_sections): Change
5683         to use Const_section_id instead of Input_section_specifier as key type.
5684         (Output_section::find_merge_section): Ditto.
5685         (Output_section::find_relaxed_input_section): Ditto.
5686         * output.h (Input_section_specifier): Remove class.
5687         (Output_section::Output_section_data_by_input_section_map): Change
5688         key type to Const_section_id.
5689         (Output_section::Output_relaxed_input_section_by_input_section_map):
5690         Ditto.
5691         (Output_section::Relaxation_map): Change key type to Section_id.
5692
5693 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5694
5695         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5696         (class Arm_v4bx_stub): New class.
5697         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5698         (Stub_factory::make_arm_v4bx_stub): New method.
5699         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5700         (Stub_table::empty): Handle v4bx stubs.
5701         (Stub_table::add_arm_v4bx_stub): New method.
5702         (Stub_table::find_arm_v4bx_stub): New method.
5703         (Arm_relocate_functions::v4bx): New method.
5704         (Target_arm::fix_v4bx): New method.
5705         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5706         (Stub_table::relocate_stubs): Likewise.
5707         (Stub_table::do_write): Likewise.
5708         (Stub_table::update_data_size_and_addralign): Likewise.
5709         (Stub_table::finalize_stubs):  Likewise.
5710         (Target_arm::Scan::local): Likewise.
5711         (Target_arm::Scan::global): Likewise.
5712         (Target_arm::do_finalize_sections): Likewise.
5713         (Target_arm::Relocate::relocate): Likewise.
5714         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5715         Likewise.
5716         (Target_arm::scan_reloc_for_stub): Likewise.
5717         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5718
5719 2010-01-19  Ian Lance Taylor  <iant@google.com>
5720
5721         * output.cc (Output_section_headers::do_sized_write): Write large
5722         segment count to sh_info field.
5723         (Output_file_header::do_sized_write): For large segment count,
5724         write PN_XNUM to e_phnum field.
5725
5726 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5727
5728         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5729         (Arm_relocate_functions::thm_jump8): New function.
5730         (Arm_relocate_functions::thm_jump11): New function.
5731         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5732         R_ARM_THM_JUMP11.
5733         (Target_arm::Scan::global): Likewise.
5734         (Target_arm::Relocate::relocate): Likewise.
5735         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5736         Likewise.
5737
5738 2010-01-14  Doug Kwan  <dougkwan@google.com>
5739
5740         * arm.cc (map, utility): Include headers.
5741         (Target_arm::apply_cortex_a8_workaround): New method.
5742         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5743         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5744         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5745         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5746         the --[no-]fix-cortex-a8 command line options.
5747         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5748         (Target_arm::relocate_stub): Use addend in instruction template.
5749         * options.h (DEFINE_bool): Set the user-set flag.
5750         (General_options): Add --[no-]-fix-cortex options.
5751         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5752         : Update fast look-up map after conversion.
5753
5754 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5755
5756         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5757         in the first pass of do_layout.
5758
5759 2010-01-13  Doug Kwan  <dougkwan@google.com>
5760
5761         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5762         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5763         apparent compiler problem of not folding static constant integral
5764         data members of elfcpp::Elf_sizes<32>.
5765
5766 2010-01-13  Doug Kwan  <dougkwan@google.com>
5767
5768         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5769         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5770         Arm_relobj::scan_section_for_cortex_a8_erratum,
5771         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5772         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5773         sections to scan for relocation stubs into a new method
5774         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5775         relocation and Cortex-A8 stub scanning.
5776         (Target_arm::do_relax): Force stubs to be after stubbed sections
5777         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5778         the beginning of a new relaxation pass.  Update a comment.
5779         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5780
5781 2010-01-12  Ian Lance Taylor  <iant@google.com>
5782
5783         * target-reloc.h (visibility_error): New inline function.
5784         (relocate_section): Call visibility_error.
5785         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5786         (MOSTLYCLEANFILES): Likewise.
5787         (protected_4_pic.o, protected_3.err): New targets.
5788         * testsuite/protected_4.cc: New file.
5789
5790 2010-01-12  Doug Kwan  <dougkwan@google.com>
5791
5792         * arm.cc (Cortex_a8_reloc): New class.
5793         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5794         and cortex_a8_relocs_info_.
5795         (Target_arm::fix_cortex_a8): New method definition.
5796         (Target_arm::Cortex_a8_relocs_info): New type.
5797         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5798         New data member declarations.
5799         (Target_arm::scan_reloc_for_stub): Record information about
5800         relocations for THUMB branches that might be exempted from the
5801         Cortex-A8 workaround.
5802         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5803         at the beginning of a relaxation pass.
5804
5805 2010-01-12  Doug Kwan  <dougkwan@google.com>
5806
5807         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5808         (Arm_relobj::Mapping_symbol_position,
5809          Arm_reloj::Mapping_symbol_position_less,
5810          Arm_relobj::Mapping_symbols_info): New types.
5811         (Target_arm::is_mapping_symbol_name): New method definition.
5812         (Arm_relobj::do_count_local_symbols): Save information about mapping
5813         symbols.
5814
5815 2010-01-11  Doug Kwan  <dougkwan@google.com>
5816
5817         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5818         Arm_relocate_functions::thumb32_branch_upper,
5819         Arm_relocate_functions::thumb32_branch_lower,
5820         Arm_relocate_functions::thumb32_cond_branch_offset,
5821         Arm_relocate_functions::thumb32_cond_branch_upper,
5822         Arm_relocate_functions::thumb32_cond_branch_lower,
5823         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5824         branch offset encoding.
5825         (Arm_relocate_functions::thumb_branch_common): Use new branch
5826         offset encoding methods to avoid code duplication.
5827         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5828         (Stub_addend_reader::operator()): Use new branch encoding method
5829         to avoid code duplication.
5830
5831 2010-01-11  Doug Kwan  <dougkwan@google.com>
5832
5833         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5834         (Target_arm::do_finalize_sections): Define special EXIDX section
5835         symbols only if referenced.
5836         * gc.h (Garbage_collection::add_reference): New method.
5837         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5838         code duplication.
5839
5840 2010-01-11  Ian Lance Taylor  <iant@google.com>
5841
5842         * script.cc (Version_script_info::build_expression_list_lookup):
5843         Change complaing about duplicate wildcard match from error to
5844         warning.
5845
5846         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5847         of 2009-12-30.
5848         (Version_script_info::Version_script_info): Initialize globs_,
5849         default_version_, default_is_global_, and exact_.  Don't
5850         initialize globals_ or locals_.
5851         (Version_script_info::build_lookup_tables): Build local symbols
5852         first.
5853         (Version_script_info::unquote): New function.
5854         (Version_script_info::add_exact_match): New function.
5855         (Version_script_info::build_expression_list_lookup): Remove lookup
5856         parameter.  Add is_global parameter.  Change all callers.  Handle
5857         wildcard pattern specially.  Unquote pattern.  Call
5858         add_exact_match.
5859         (Version_script_info::get_name_to_match): New function.
5860         (Version_script_info::get_symbol_version): New function.
5861         (Version_script_info::get_symbol_version_helper): Remove.
5862         (Version_script_info::check_unmatched_names): Call unquote.
5863         * script.h (class Version_script_info): Change get_symbol_version
5864         to be non-inline and add is_global parameter; change all callers.
5865         Rewrite symbol_is_local.  Update declarations.  Define struct
5866         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5867         Remove globals_ and locals_ members.  Add exact_, globs_,
5868         default_version_, is_global_.
5869         (Version_script_info::Glob): Remove pattern, add expression and
5870         is_global.  Update constructor.  Change all callers.
5871         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5872         default version.
5873         (Versions::symbol_section_contents): If a symbol is undefined, or
5874         defined in a dynamic object, set the version index to
5875         VER_NDX_LOCAL.
5876         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5877         symbol_is_local.
5878         (Symbol_table::add_from_pluginobj): Likewise.
5879         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5880
5881 2010-01-11  Doug Kwan  <dougkwan@google.com>
5882
5883         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5884         (incremental_dump_LDADD): Add linking option for libintl.
5885         * Makefile.in: Regenerate.
5886
5887 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5888
5889         PR gold/11144
5890         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5891         instead of -Ds.
5892         * testsuite/Makefile.in: Regenerated.
5893
5894 2010-01-10  Doug Kwan  <dougkwan@google.com>
5895
5896         * options.h (DEFINE_var): Use parentheses around argument varname__
5897         in macro body to avoid any unintended subsequent substitutions.
5898
5899 2010-01-10  Ian Lance Taylor  <iant@google.com>
5900
5901         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5902         candidates before doing symbol resolution.
5903
5904         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5905         ODR candidates if only one is weak.
5906
5907 2010-01-08  Ian Lance Taylor  <iant@google.com>
5908
5909         * script.cc (Version_script_info::build_expression_list_lookup):
5910         Don't warn about ambiguous version, just record the ambiguity.
5911         (Version_script_info::get_symbol_version_helper): Give error if
5912         version is ambiguous.
5913
5914 2010-01-08  Doug Kwan  <dougkwan@google.com>
5915
5916         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5917           prev_data_size_ and prev_addralign_.  Remove initializer for
5918           deleted data member has_been_changed_.
5919           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5920           to determine if the table is empty.
5921           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5922           Remove.
5923           (Stub_table::add_reloc_stub): Define method in class definition
5924           instead of just declaring it there.
5925           (Stub_table::add_cortex_a8_stub): New method definition.
5926           (Stub_table::update_data_size_and_addralign): Ditto.
5927           (Stub_table::finalize_stubs): Ditto.
5928           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5929           (Stub_table::do_addralign_): Return address alignment in the
5930           (Stub_table::do_reset_address_and_file_offset): Define method in
5931           class definition instead of declaring it there.  Set current data
5932           size to be the data size of the previous pass.
5933           (Stub_table::set_final_data_size): Use current data size as the
5934           final data size.
5935           (Stub_table::relocate_stub): Change parameter type of stub from
5936           Reloc_stub pointer to Stub pointer.
5937           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5938           (Stub_table::Cortex_a8_stub_list): New typedef.
5939           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5940            Stub_table::prev_addralign_): New data member.
5941           (Arm_relobj::Arm_relobj): Initialize data member
5942           section_has_cortex_a8_workaround_.
5943           (Arm_relobj::section_has_cortex_a8_workaround,
5944            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5945            definitions.
5946           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5947           declarations.
5948           (Target_arm::relocate_stub): Change parameter type of stub from
5949           Reloc_stub pointer to Stub pointer.
5950           (Insn_template::size, Insn_template::alignment): Handle
5951           THUMB16_SPECIAL_TYPE.
5952           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5953            Stub_table::update_data_size_and_addralign,
5954            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5955           definitions.
5956           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5957           (Stub_table::do_write): Ditto.
5958           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5959
5960 2010-01-08  Ian Lance Taylor  <iant@google.com>
5961
5962         PR 11108
5963         * symtab.h (class Symbol): Remove fields is_target_special_ and
5964         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5965         (Symbol::is_defined_in_discarded_section): New function.
5966         (Symbol::set_is_defined_in_discarded_section): New function.
5967         (Symbol::has_plt_offset): Rewrite.
5968         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5969         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5970         Don't initialize is_target_special_ or has_plt_offset_.
5971         Initialize is_defined_in_discarded_section_.
5972         (Symbol_table::add_from_relobj): If appropriate, set
5973         is_defined_in_discarded_section.
5974         * resolve.cc (Symbol::override_base_with_special): Don't test
5975         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5976         * target-reloc.h (relocate_section): Do special handling for
5977         symbols defined in discarded sections for global symbols as well
5978         as local symbols.
5979
5980 2010-01-08  Ian Lance Taylor  <iant@google.com>
5981
5982         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5983         the SHT_SYMTAB case.
5984
5985 2010-01-08  Ian Lance Taylor  <iant@google.com>
5986
5987         * object.cc (Sized_relobj::do_layout): Don't get confused if
5988         layout_eh_frame returns NULL.
5989
5990 2010-01-08  Ian Lance Taylor  <iant@google.com>
5991
5992         PR 11084
5993         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5994         dynamic symbol table, use the normal symbol table.
5995         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5996         symbol table.
5997
5998 2010-01-08  Ian Lance Taylor  <iant@google.com>
5999
6000         PR 11072
6001         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6002         sections.
6003
6004 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6005
6006         * version.cc (print_version): Change to "Copyright 2010".
6007
6008 2010-01-08  Ian Lance Taylor  <iant@google.com>
6009
6010         PR 10287
6011         PR 11063
6012         * i386.cc (class Target_i386): Change return type of plt_section
6013         to be non-const.
6014         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6015         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6016         tls_desc_rel_ field.
6017         (Output_data_plt_i386::rel_tls_desc): New function.
6018         (Target_i386::rel_tls_desc_section): New function.
6019         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6020         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6021         R_386_TLS_DESC reloc in rel_tls_desc_section.
6022         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6023         Define struct Tlsdesc_info.
6024         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6025         (Target_x86_64::do_reloc_symbol_index): New function.
6026         (Target_x86_64::add_tlsdesc_info): New function.
6027         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6028         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6029         tlsdesc_rel_ field.
6030         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6031         all callers.
6032         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6033         (Target_x86_64::rela_tlsdesc_section): New function.
6034         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6035         handling.
6036         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6037         (Target_x86_64::do_reloc_addend): New function.
6038         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6039         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6040         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6041         (Output_reloc::type): New function.
6042         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6043         (Output_reloc::is_target_specific): New function.
6044         (Output_reloc::target_arg): New function.
6045         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6046         absolute relocs and target specific relocs.
6047         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6048         add_target_specific.
6049         (class Output_data_reloc) [SHT_RELA]: Likewise.
6050         * output.cc (Output_reloc::Output_reloc): Add four new versions
6051         for absolute relocs and target specific relocs.
6052         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6053         (Output_reloc::get_symbol_index): Likewise.
6054         (Output_reloc::local_section_offset): Check that local_sym_index_
6055         is not TARGET_CODE or 0.
6056         (Output_reloc::symbol_value): Likewise.
6057         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6058         reloc.
6059         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6060         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6061         functions.
6062         * layout.cc (add_target_dynamic_tags): Use output section for
6063         DT_PLTRELSZ and DT_JMPREL.
6064
6065 2010-01-07  Ian Lance Taylor  <iant@google.com>
6066
6067         PR 11061
6068         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6069         function.
6070         (class Output_data_reloc_generic): Define.
6071         (class Output_data_reloc_base): Change base class to
6072         Output_data_reloc_generic.  Change add() method to call
6073         bump_relative_reloc_count for a relative reloc.  Remove
6074         sort_relocs_ field.
6075         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6076         to sort_relocs().
6077         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6078         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6079         appropriate.
6080         * layout.h (class Layout): Update declaration.
6081
6082 2010-01-07  Ian Lance Taylor  <iant@google.com>
6083
6084         * output.h (class Output_data): Add const version of
6085         output_section and do_output_section.
6086         (class Output_section_data): Add const version of
6087         do_output_section.
6088         (class Output_section): Likewise.
6089         * layout.cc (Layout::add_target_dynamic_tags): New function.
6090         * layout.h (class Layout): Update declarations.
6091         * arm.cc (Target_arm::do_finalize_sections): Use
6092         add_target_dynamic_tags.
6093         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6094         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6095         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6096         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6097
6098 2010-01-07  Ian Lance Taylor  <iant@google.com>
6099
6100         PR 11042
6101         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6102         object as needed.
6103
6104 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6105             Ian Lance Taylor  <iant@google.com>
6106
6107         PR 11019
6108         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6109         Xindex::read_symtab_xindex.
6110
6111 2010-01-07  Doug Kwan  <dougkwan@google.com>
6112
6113         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6114         (Insn_template::thumb16_bcond_insn): New method declaration.
6115         (Insn_template): Fix spelling.
6116         (Stub::thumb16_special): New method declaration.
6117         (Stub::do_write): Define virtual method which was previously pure
6118         virtual.
6119         (Stub::do_thumb16_special): New method declaration.
6120         (Stub::do_fixed_endian_write): New template member.
6121         (Reloc_stub::do_write): Remove.
6122         (Reloc_stub::do_fixed_endian_write): Remove.
6123         (Cortex_a8_stub): New class definition.
6124         (Stub_factory::make_cortex_a8_stub): New method definition.
6125         (Stub_factory::Stub_factory): Add missing static storage class
6126         qualifier for elf32_arm_stub_a8_veneer_blx.
6127
6128 2010-01-07  Ian Lance Taylor  <iant@google.com>
6129
6130         PR 10980
6131         * options.h (class General_options): Add --warn-unresolved-symbols
6132         and --error-unresolved-symbols.
6133         * errors.cc (Errors::undefined_symbol): Implement
6134         --warn-unresolved-symbols.
6135
6136         * options.h (class General_options): Add -z text and -z textoff.
6137         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6138
6139 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6140
6141         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6142         (Garbage_collection::cident_sections): New function.
6143         (Garbage_collection::add_cident_section): New function.
6144         (Garbage_collection::cident_sections_): New member.
6145         (gc_process_relocs): Add references to sections whose names are C
6146         identifiers.
6147         * gold.h (cident_section_start_prefix): New constant.
6148         (cident_section_stop_prefix): New constant.
6149         (is_cident): New function.
6150         * layout.cc (Layout::define_section_symbols): Replace string constants
6151         with the newly defined constants.
6152         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6153         C identifiers.
6154         * testsuite/Makefile.am: Add gc_orphan_section_test.
6155         * testsuite/Makefile.in: Regenerate.
6156         * testsuite/gc_orphan_section_test.cc: New file.
6157         * testsuite/gc_orphan_section_test.sh: New file.
6158
6159 2010-01-06  Ian Lance Taylor  <iant@google.com>
6160
6161         PR 10980
6162         * options.h (class General_options): Add --warn-shared-textrel.
6163         * layout.cc (Layout::finish_dynamic_section): Implement
6164         --warn-shared-textrel.
6165
6166         PR 10980
6167         * options.h (class General_options): Add --warn-multiple-gp.
6168
6169 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6170
6171         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6172         $(THREADSLIB) and $(LIBDL).
6173         * Makefile.in: Rebuild.
6174
6175 2010-01-06  Ian Lance Taylor  <iant@google.com>
6176
6177         PR 10980
6178         * options.cc (General_options::parse_section_start): New function.
6179         (General_options::section_start): New function.
6180         (General_options::General_options): Initialize all members.
6181         * options.h: Include <map>
6182         (class General_options): Add --section-start.  Add section_starts_
6183         member.
6184         * layout.cc (Layout::attach_allocated_section_to_segment): If
6185         --section-start was used, set the address of the segment.  Remove
6186         local sort_sections.
6187         (Layout::relaxation_loop_body): If the address of the load segment
6188         has been set by --section-start, don't use it.
6189         * output.h (Output_segment::update_flags_for_output_section): New
6190         function.
6191         * output.cc (Output_segment::add_output_section): Call
6192         update_flags_for_output_section.
6193
6194 2010-01-05  Ian Lance Taylor  <iant@google.com>
6195
6196         PR 10980
6197         * options.h (class General_options): Add --undefined-version.
6198         * script.cc (struct Version_expression): Add was_matched_by_symbol
6199         field.
6200         (Version_script_info::matched_symbol): New function.
6201         (Version_script_info::get_symbol_version_helper): Call
6202         matched_symbol.
6203         (Version_script_info::check_unmatched_names): New function.
6204         * script.h (class Version_script_info): Update declarations.
6205         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6206
6207         * options.h (class General_options): Use DEFINE_bool_alias for
6208         allow_multiple_definition.
6209         * resolve.cc (Symbol_table::should_override): Don't test
6210         allow_multiple_definition.
6211
6212         PR 10980
6213         * options.h (class General_options): Add --cref.
6214         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6215         until after printing cref table.
6216         * cref.cc: Include "symtab.h".
6217         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6218         (Cref_table_compare::operator()): New function.
6219         (Cref_inputs::gather_cref): New function.
6220         (filecol): New static const.
6221         (Cref_inputs::print_cref): New function.
6222         (Cref::print_cref): New function.
6223         * cref.h: Include <cstdio>.
6224         (class Cref): Update declarations.
6225         * mapfile.h (Mapfile::file): New function.
6226         * object.h (class Object): Define Symbols.  Declare virtual
6227         do_get_global_symbols.
6228         (Object::get_global_symbols): New function.
6229         * object.cc (Input_objects::add_object): Pass object to cref_ if
6230         --cref.
6231         (Input_objects::archive_start): Likewise.
6232         (Input_objects::archive_stop): Likewise.
6233         (Input_objects::print_cref): New function.
6234         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6235         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6236         --cref.
6237         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6238         function.
6239         * plugin.h (class Sized_pluginobj): Update declarations.
6240
6241 2010-01-05  Ian Lance Taylor  <iant@google.com>
6242
6243         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6244         to is_default_version.  Rename insdef to insdefault.
6245         (Symbol_table::add_from_relobj): Rename def to is_default_version
6246         and local to is_forced_local.
6247         (Symbol_table::add_from_pluginobj): Likewise.
6248         (Symbol_table::add_from_dynobj): Likewise.
6249         (Symbol_table::define_special_symbol): Rename insdef to
6250         insdefault.
6251
6252 2010-01-04  Ian Lance Taylor  <iant@google.com>
6253
6254         PR 10980
6255         * options.h (class General_options): Add
6256         --allow-multiple-definition and -z muldefs.
6257         * resolve.cc (Symbol_table::should_override): Don't warn about a
6258         multiple symbol definition if --allow-multiple-definition or -z
6259         muldefs.
6260
6261         PR 10980
6262         * options.h (class General_options): Add --add-needed and
6263         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6264         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6265         error if --copy-dt-needed-entries aka --add-needed is used and
6266         would cause a change in behaviour.
6267
6268         PR 10980
6269         * options.h (class General_options): Add -G as a short version of
6270         --shared.  Add no-op options -assert, -g, and -i.
6271
6272 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6273
6274         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6275         check for .text or .gnu.linkonce.t sections.
6276         * icf.cc (Icf::find_identical_sections): Ditto.
6277         Change the detection for mangled function name within the section
6278         name.
6279         * icf.h (is_section_foldable_candidate): New function.
6280
6281 2009-12-30  Ian Lance Taylor  <iant@google.com>
6282
6283         PR 10980
6284         * options.h (class General_options): Permit two dashes with
6285         --retain-symbols-file.
6286
6287 2009-12-30  Ian Lance Taylor  <iant@google.com>
6288
6289         PR 10979
6290         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6291         don't put the file header and segment headers in the text
6292         segment.
6293
6294         PR 10979
6295         * common.cc (Sort_commons::operator()): Stabilize sort when both
6296         entries are NULL.
6297         (Symbol_table::do_allocate_commons_list): When allocating common
6298         symbols, skip a symbol which is no longer common.
6299         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6300         an object before checking its type.
6301         * testsuite/common_test_2.c: New file.
6302         * testsuite/common_test_3.c: New file.
6303         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6304         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6305         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6306         (common_test_2_pic.o, common_test_2.so): New targets.
6307         (common_test_3_pic.o, common_test_3.so): New targets.
6308         * testsuite/Makefile.in: Rebuild.
6309
6310         PR 10979
6311         * script.cc (read_input_script): If we see a new SECTIONS clause,
6312         and we have added an input section, give an error.
6313         * layout.h (class Layout): Add have_added_input_section function.
6314         Add have_added_input_section_ field.
6315         * layout.cc (Layout::Layout): Initialize
6316         have_added_input_section_.
6317         (Layout::layout): Set have_added_input_section_.
6318         (Layout::layout_eh_frame): Likewise.
6319
6320 2009-12-30  Ian Lance Taylor  <iant@google.com>
6321
6322         PR 10931
6323         * options.h (class General_options): Add --sort-common option.
6324         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6325         * common.cc (Sort_common): Add sort_order parameter to
6326         constructor.  Add sort_order_ field.
6327         (Sort_commons::operator): Check sort_order_.
6328         (Symbol_table::allocate_commons): Determine the sort order.
6329         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6330         Change all callers.
6331         (Symbol_table::do_allocate_commons_list): Likewise.
6332
6333 2009-12-30  Ian Lance Taylor  <iant@google.com>
6334
6335         PR 10916
6336         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6337         symbols from this object, don't change the visibility of an
6338         undefined symbol.
6339         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6340
6341 2009-12-30  Ian Lance Taylor  <iant@google.com>
6342
6343         PR 10861
6344         * script.h (class Version_script_info): Define Language enum.
6345         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6346         new fields globals_, locals_, and is_finalized_.
6347         * script.cc: Various formatting fixes.
6348         (class Parser_closure): Change language_stack_ from a vector of
6349         std::string to one of Version_script_info::Language.  Adjust all
6350         uses accordingly.
6351         (class Lazy_demangler): Remove.
6352         (struct Version_expression): Change language from std::string to
6353         Version_script_info::Language.
6354         (Version_script_info::Version_script_info): New function.
6355         (Version_script_info::~Version_script_info): Don't call clear.
6356         (Version_script_info::finalize): New function.
6357         (Version_script_info::build_lookup_tables): New function.
6358         (Version_script_info::build_expression_list_lookup): New
6359         function.
6360         (Version_script_info::get_symbol_version_helper): Rewrite to use
6361         lookup tables.
6362         (Version_script_info::print_expression_list): Adjust to use
6363         Version_script_info::Language.
6364         (script_push_lex_into_version_mode): Check that the version script
6365         has not been finalized.
6366         (version_script_push_lang): Change language string to
6367         Version_script_info::Language.
6368         * options.cc (Command_line::version_script): New function.
6369         * options.h (class General_options): Add finalize_dynamic_list
6370         function.  Change version_script from declaration to definition.
6371         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6372         * testsuite/version_script.map: Remove duplicate def of foo.
6373         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6374         version_script.map.
6375         * testsuite/Makefile.in: Rebuild.
6376
6377 2009-12-30  Ian Lance Taylor  <iant@google.com>
6378
6379         PR 10843
6380         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6381         if the input symbol index is 0, make the output symbol index 0.
6382
6383 2009-12-30  Ian Lance Taylor  <iant@google.com>
6384
6385         PR 10670
6386         * options.h (class General_options): Add -x/--discard-all.
6387         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6388         --discard-all.  If the local symbol needs a dynamic entry, check
6389         that before handling --discard-locals.
6390
6391 2009-12-30  Ian Lance Taylor  <iant@google.com>
6392
6393         PR 10450
6394         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6395         flags to PF_R.
6396         (Output_segment::add_output_section): Don't change the flags if
6397         the type is PT_TLS.
6398
6399         PR 10450
6400         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6401         GNU hash table if they need a dynamic value.  Otherwise, don't add
6402         them if they are defined in a dynamic object or are forced local.
6403
6404 2009-12-29  Ian Lance Taylor  <iant@google.com>
6405
6406         PR 10450
6407         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6408         .gnu.hash table for a 32-bit target.
6409
6410         PR 10450
6411         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6412         regular and a dynamic object only needs a dynamic symbol table
6413         entry if it is externally visible.
6414
6415         PR 10450
6416         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6417         constructor.  Add global_offset_table_ field.
6418         (Target_i386::got_section): Set global_offset_table_.
6419         (Target_i386::do_finalize_sections): Set global_offset_table_
6420         size.
6421         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6422         in constructor.  Add global_offset_table_ field.
6423         (Target_x86_64::got_section): Set global_offset_table_.
6424         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6425         size.
6426
6427         * layout.cc (Layout::Layout): Initialize increase_relro_.
6428         (Layout::get_output_section): Add is_relro, is_last_relro, and
6429         is_first_non_relro parameters.  Change all callers.
6430         (Layout::choose_output_section): Likewise.
6431         (Layout::add_output_section_data): Likewise.
6432         (Layout::make_output_section): Likewise.
6433         (Layout::set_segment_offsets): Clear increase_relro when using a
6434         linker script.
6435         * layout.h (class Layout): Add increase_relro method.  Add
6436         increase_relro_ field.  Update declarations.
6437         * output.cc (Output_section::Output_section): Initialize
6438         is_last_relro_ and is_first_non_relro_.
6439         (Output_segment::add_output_section): Group relro sections is
6440         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6441         (Output_segment::maximum_alignment): Remove relro handling.
6442         (Output_segment::set_section_addresses): Add increase_relro
6443         parameter.  Change all callers.  Add initial alignment to align
6444         relro sections on separate page.  Remove old relro handling.
6445         (Output_segment::set_section_list_addresses): Remove in_relro
6446         parameter.  Change all callers.
6447         (Output_segment::set_offset): Add increase parameter.  Change all
6448         callers.  Remove old relro handling.
6449         * output.h (class Output_section): Add new methods: is_last_relro,
6450         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6451         Add is_last_relro_ and is_first_non_relro_ fields.
6452         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6453         Create separate .got.plt section.  Call increase_relro.
6454         * x86_64.cc (Target_x86_64::got_section): Likewise.
6455         * testsuite/relro_script_test.t: Add .got.plt.
6456
6457         PR 10450
6458         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6459         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6460         (Layout::finalize): Call set_dynamic_symbol_size.
6461         (Layout::set_dynamic_symbol_size): New function.
6462         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6463         set_dynamic_symbol_size.
6464
6465         PR 10450
6466         * output.h (class Output_section): Add is_entsize_zero_ field.
6467         * output.cc (Output_section::Output_section): Initialize
6468         is_entsize_zero_.
6469         (Output_section::set_entsize): If two different entsizes are
6470         requested, force it to zero.
6471         (Output_section::add_input_section): Set flags for .debug_str
6472         before updating section flags.  Set entsize.
6473         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6474         and SHF_STRING if all input sections have those flags.
6475
6476 2009-12-29   Rafael Espindola  <espindola@google.com>
6477
6478         * main.cc (main): Fix the sys time reporting.
6479         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6480         reporting.
6481
6482 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6483
6484         * options.cc (General_options::parse_version): Allow -v to exit
6485         without an error if there is nothing to link.
6486
6487 2009-12-29  Ian Lance Taylor  <iant@google.com>
6488
6489         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6490         using a version of gcc before 4.1.
6491         * configure: Rebuild.
6492
6493 2009-12-28  Chris Demetriou  <cgd@google.com>
6494
6495         * attributes.cc (Output_attributes_section_data::do_write): Use
6496         std::vector::front rather than std::vector::data.
6497
6498 2009-12-28  Ian Lance Taylor  <iant@google.com>
6499
6500         * symtab.h (class Symbol_table): Add enum Defined.
6501         * resolve.cc (Symbol_table::should_override): Add defined
6502         parameter.  Change all callers.  Test whether object is NULL
6503         before calling a method on it.
6504         (Symbol_table::report_resolve_problem): Add defined parameter.
6505         Change all callers.
6506         (Symbol_table::should_override_with_special): Likewise.
6507         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6508         parameter.  Change all callers.
6509         (Symbol_table::do_define_in_output_data): Likewise.
6510         (Symbol_table::define_in_output_segment): Likewise.
6511         (Symbol_table::do_define_in_output_segment): Likewise.
6512         (Symbol_table::define_as_constant): Likewise.
6513         (Symbol_table::do_define_as_constant): Likewise.
6514         * script.h (class Symbol_assignment): Add is_defsym parameter to
6515         constructor; change all callers.
6516         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6517         parameter.  Change all callers.  Add is_defsym_ field.
6518         (class Parser_closure): Add parsing_defsym parameter to
6519         constructor; change all callers.  Add parsing_defsym accessor
6520         function.  Add parsing_defsym_ field.
6521
6522 2009-12-28  Ian Lance Taylor  <iant@google.com>
6523
6524         * gold.cc (queue_middle_tasks): Fix formatting.
6525         * object.cc (Relobj::is_section_name_included): Likewise.
6526
6527 2009-12-23  Ian Lance Taylor  <iant@google.com>
6528
6529         * i386.cc (Target_i386::do_calls_non_split): Recognize
6530         -fsplit-stack prologue for a function with a static chain.
6531         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6532         -fsplit-stack prologue when using %r11.
6533
6534 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6535
6536         * options.cc (General_options::parse_version): Make -v continue and do
6537         the link like GNU ld does.
6538
6539 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6540
6541         * Makefile.am (CCFILES): Add timer.cc.
6542         (HFILES): Add timer.h.
6543         * configure.ac: Check for sysconf and times.
6544         * main.cc: include timer.h.
6545         (main): Use Timer instead of get_run_time.
6546         * timer.cc: New.
6547         * timer.h: New.
6548         * workqueue.cc: include timer.h.
6549         (Workqueue::find_and_run_task):
6550         Report user, sys and wall time.
6551         * Makefile.in: Regenerate.
6552         * config.in: Regenerate.
6553         * configure: Regenerate.
6554
6555 2009-12-16  Doug Kwan  <dougkwan@google.com>
6556
6557         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6558         sections.
6559         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6560         relaxed input sections.
6561         * output.cc (Output_section::find_relaxed_input_section): Change
6562         return type to Output_relaxed_input_section pointer.  Adjust code
6563         for new type of relaxed_input_section_map_.
6564         * output.h (Output_section::find_relaxed_input_section): Change
6565         return type to Output_relaxed_input_section pointer.
6566         (Output_section::Output_relaxed_input_section_by_input_section_map):
6567         New type.
6568         (Output_section::relaxed_input_section_map_): Change type to
6569         Output_section::Output_relaxed_input_section_by_input_section_map.
6570         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6571         input section.
6572
6573 2009-12-15  Ian Lance Taylor  <iant@google.com>
6574
6575         * layout.cc (Layout::create_shstrtab): Only write out after input
6576         sections if we are compressing debug sections.
6577
6578 2009-12-15  Ian Lance Taylor  <iant@google.com>
6579
6580         * archive.cc (Archive::add_symbols): Only look up a symbol without
6581         a version if there is, in fact, a version.
6582
6583 2009-12-14  Ian Lance Taylor  <iant@google.com>
6584
6585         Revert -Wshadow changes, all changes from:
6586         2009-12-11  Doug Kwan  <dougkwan@google.com>
6587         2009-12-11  Nick Clifton  <nickc@redhat.com>
6588         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6589
6590 2009-12-11  Doug Kwan  <dougkwan@google.com>
6591
6592         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6593         due to -Wshadow.
6594         * attributes.cc (Object_attribute::size): Ditto.
6595         (Attributes_section_data::size): Ditto.
6596         (Attributes_section_data::Attributes_section_data): Ditto.
6597         (Output_attributes_section_data::do_write): Ditto.
6598         * attributes.h (Object_attribute::set_type): Ditto.
6599         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6600
6601 2009-12-11  Nick Clifton  <nickc@redhat.com>
6602
6603         * archive.cc: Fix shadowed variable warnings.
6604         * arm.cc: Likewise.
6605         * compressed_output.cc: Likewise.
6606         * compressed_output.h: Likewise.
6607         * configure: Likewise.
6608         * dwarf_reader.cc: Likewise.
6609         * dynobj.cc: Likewise.
6610         * dynobj.h: Likewise.
6611         * ehframe.cc: Likewise.
6612         * ehframe.h: Likewise.
6613         * errors.cc: Likewise.
6614         * expression.cc: Likewise.
6615         * fileread.cc: Likewise.
6616         * fileread.h: Likewise.
6617         * freebsd.h: Likewise.
6618         * i386.cc: Likewise.
6619         * icf.cc: Likewise.
6620         * incremental.h: Likewise.
6621         * layout.cc: Likewise.
6622         * layout.h: Likewise.
6623         * mapfile.cc: Likewise.
6624         * merge.cc: Likewise.
6625         * merge.h: Likewise.
6626         * object.cc: Likewise.
6627         * object.h: Likewise.
6628         * options.h: Likewise.
6629         * output.cc: Likewise.
6630         * output.h: Likewise.
6631         * parameters.cc: Likewise.
6632         * plugin.cc: Likewise.
6633         * powerpc.cc: Likewise.
6634         * reduced_debug_output.cc: Likewise.
6635         * reduced_debug_output.h: Likewise.
6636         * reloc.cc: Likewise.
6637         * reloc.h: Likewise.
6638         * resolve.cc: Likewise.
6639         * script-sections.cc: Likewise.
6640         * script.cc: Likewise.
6641         * script.h: Likewise.
6642         * sparc.cc: Likewise.
6643         * symtab.cc: Likewise.
6644         * symtab.h: Likewise.
6645         * target-select.cc: Likewise.
6646         * target-select.h: Likewise.
6647         * token.h: Likewise.
6648         * workqueue.cc: Likewise.
6649         * workqueue.h: Likewise.
6650         * x86_64.cc: Likewise.
6651
6652 2009-12-10  Doug Kwan  <dougkwan@google.com>
6653
6654         * arm.cc (attributes.h): New include.
6655         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6656         (Arm_relobj::~Arm_relobj): Delete object pointed by
6657         attributes_section_data_.
6658         (Arm_relobj::attributes_section_data): New method definition.
6659         (Arm_relobj::attributes_section_data_): New data member declaration.
6660         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6661         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6662         attributes_section_data_.
6663         (Arm_dynobj::attributes_section_data): New method definition.
6664         (Arm_dynobj::attributes_section_data_): New data member declaration.
6665         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6666         initialization value of may_use_blx_ to false.
6667         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6668         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6669         object attributes to compute results instead of hard-coding.
6670         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
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         New method declarations.
6676         (Target_arm::get_aeabi_object_attribute): New method definition.
6677         (Target_arm::attributes_section_data_): New data member declaration.
6678         (read_arm_attributes_section): New template definition.
6679         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6680         (Arm_dynobj::do_read_symbols): Ditto.
6681         (Target_arm::do_finalize_sections): Merge attributes sections from
6682         input.  Check for BLX use after attributes section merging.
6683         Fix __exidx_start and __exidx_end visibility.  Create an
6684         .ARM.attributes section if necessary.
6685         (Target_arm::get_secondary_compatible_arch,
6686         Target_arm::set_secondary_compatible_arch,
6687         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6688         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6689         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6690         New method definitions.
6691
6692 2009-12-09  Ian Lance Taylor  <iant@google.com>
6693
6694         * plugin.cc (Plugin::load): Don't cast from void* to a function
6695         pointer.
6696
6697 2009-12-09  Ian Lance Taylor  <iant@google.com>
6698
6699         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6700         information fields.
6701
6702 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6703
6704         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6705         Replace two_file_shared_1.so with two_file_shared_2.so.
6706         * testsuite/Makefile.in: Regenerated.
6707
6708 2009-12-08  Doug Kwan  <dougkwan@google.com>
6709
6710         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6711         (HFILES): Add attributes.h and int_encoding.h.
6712         * Makefile.in: Regenerate.
6713         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6714         function definitions to int_encoding.cc
6715         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6716         prototypes to int_encoding.h
6717         * reduced_debug_output.cc (int_encoding.h): New include.
6718         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6719         function definitions to int_encoding.cc
6720         (insert_into_vector, read_from_pointer): Move template definitions to
6721         int_encoding.h
6722         * attributes.cc: New file.
6723         * attributes.h: New file.
6724         * int_encoding.cc: New file.
6725         * int_encoding.h: New file.
6726
6727 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6728
6729         PR gold/11055
6730         * incremental-dump.cc (dump_incremental_inputs): New.
6731         (main): Use dump_incremental_inputs.
6732
6733 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6734
6735         PR gold/10893
6736         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6737         checking elfcpp::STT_FUNC.
6738         (Target_i386::Relocate::relocate): Likewise.
6739         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6740
6741         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6742         symbols from shared libraries into normal FUNC symbols.
6743
6744         * symtab.h (Symbol): Add is_func and use it.
6745
6746 2009-12-05  Doug Kwan  <dougkwan@google.com>
6747
6748         * arm.cc (Target_arm::arm_info): Initialize new fields
6749         attributes_section and attributes_vendor.
6750         * i386.cc (Target_i386::i386_info): Same.
6751         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6752         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6753         fields attributes_section and attributes_vendor.
6754         * sparc.cc (Target_sparc::sparc_info): Same.
6755         * target.h (Target::attributes_section, Target::attributes_vendor,
6756         Target::is_attributes_section, Target::attribute_arg_type,
6757         Target::attributes_order): New method definitions.
6758         (Target::Target_info::attributes_section,
6759         Target::Target_info::attributes_vendor): New fields.
6760         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6761         virtual method definitions.
6762         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6763         attributes_section and attributes_vendor.
6764         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6765
6766 2009-12-05  Doug Kwan  <dougkwan@google.com>
6767
6768         * arm.cc: Update comments about interworking and stub generation.
6769         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6770         considered as non-PIC.
6771         (Arm_relocate_functions::base_abs): Fix formatting.
6772         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6773         of function to use GOT entry address instead of offset.
6774         (Target_arm::Scan::global): Issue an error if a symbol would need a
6775         PLT does not get one because it is untyped.  Remove code to create
6776         dynamic symbols for relative branches.
6777         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6778         takes unsigned integer instead of boolean.
6779
6780 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6781
6782         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6783         (two_file_test_LDADD): Likewise.
6784         (common_test_1_LDADD): Likewise.
6785         (exception_test_LDADD) Likewise.
6786         (weak_test_LDADD): Likewise.
6787         (many_sections_test_LDADD): Likewise.
6788         (initpri1_LDADD): Likewise.
6789         (script_test_1_LDADD): Likewise.
6790         (script_test_2_LDADD): Likewise.
6791         (justsyms_LDADD): Likewise.
6792         (binary_test_LDADD): Likewise.
6793         (large_LDADD): Likewise.
6794         * testsuite/Makefile.in: Regenerated.
6795
6796 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6797
6798         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6799         (Symbol_table::override_with_special): Likewise.
6800         (Symbol_table::add_from_object): Likewise.
6801
6802 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6803
6804         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6805         Don't set the data_offset twice.
6806
6807 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6808
6809         * testsuite/Makefile.in: Regenerate.
6810
6811 2009-12-03  Doug Kwan  <dougkwan@google.com>
6812
6813         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6814         (Target_arm::do_finalize_sections): Add parameter for symbol table
6815         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6816         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6817         parameter for symbol table pointer.
6818         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6819         an additional parameter for a pointer to symbol table.
6820         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6821         parameter for a symbol table pointer.
6822         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6823         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6824         Ditto.
6825         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6826         parameter for a symbol table pointer.
6827
6828 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6829
6830         * incremental.cc (Incremental_inputs_header)
6831         (Incremental_inputs_header_write, Incremental_inputs_entry)
6832         (Incremental_inputs_entry_write): Move ...
6833         * incremental.h (Incremental_inputs_header)
6834         (Incremental_inputs_header_write, Incremental_inputs_entry)
6835         (Incremental_inputs_entry_write): here.
6836
6837 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6838
6839         * incremental.cc (make_sized_incremental_binary): Set the target.
6840         Error if it is incompatible.
6841         * output.h (Output_file): Add filename method.
6842
6843 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6844
6845         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6846         from the get_* methods.
6847
6848 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6849
6850         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6851         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6852         Write 0 for the data_offset of scripts.
6853
6854 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6855
6856         * testsuite/Makefile.am: Add the incremental_test.sh test.
6857         * testsuite/incremental_test.sh: New.
6858         * testsuite/incremental_test_1.c: New.
6859         * testsuite/incremental_test_2.c: New.
6860
6861 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6862
6863        * incremental-dump.cc (main): Fix typos.
6864
6865 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6866
6867         PR gold/11025
6868         * incremental-dump.cc (main): Use llu to print 64 bit values.
6869
6870 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6871             H.J. Lu  <hongjiu.lu@intel.com>
6872
6873         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6874         $(LIBDL).
6875         (incremental_dump_LDADD): Likewise.
6876         * Makefile.in: Regenerated.
6877
6878 2009-11-25  Doug Kwan  <dougkwan@google.com>
6879
6880         Revert:
6881
6882         2009-11-25  Doug Kwan  <dougkwan@google.com>
6883
6884                 * arm.cc (Target_arm::Target_arm): Move method definition
6885                 outside of class definition.  Add code to handle
6886                 --target1-rel, --target1-abs and --target2= options.
6887                 (Target_arm::get_reloc_reloc_type): Change method to be
6888                 non-static and const.
6889                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6890                 New data member declaration.
6891                 (Target_arm::Scan::local, Target_arm::Scan::global,
6892                 Target_arm::Relocate::relocate,
6893                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6894                 Adjust call to Target_arm::get_real_reloc_type.
6895                 (Target_arm::get_real_reloc_type): Use command line options
6896                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6897                 * options.h (--target1-rel, --target1-abs, --target2): New
6898                 ARM-only options.
6899
6900 2009-11-25  Doug Kwan  <dougkwan@google.com>
6901
6902         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6903         class definition.  Add code to handle --target1-rel, --target1-abs
6904         and --target2= options.
6905         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6906         and const.
6907         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6908         member declaration.
6909         (Target_arm::Scan::local, Target_arm::Scan::global,
6910         Target_arm::Relocate::relocate,
6911         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6912         call to Target_arm::get_real_reloc_type.
6913         (Target_arm::get_real_reloc_type): Use command line options to
6914         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6915         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6916         options.
6917
6918 2009-11-25  Doug Kwan  <dougkwan@google.com>
6919
6920         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6921         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6922         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6923         formatting.
6924         (Arm_relocate_functions::thm_call): Replace body with a call to
6925         Arm_relocate_functions::thumb_branch_common.
6926         (Arm_relocate_functions::thm_jump24,
6927         Arm_relocate_functions::thm_xpc22): New method definitions.
6928         (Arm_relocate_functions::thumb_branch_common): New method definition.
6929         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6930         operator.
6931         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6932         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6933
6934 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6935
6936         * Makefile.am: Build incremental-dump
6937         * Makefile.in: Regenerate.
6938         * incremental-dump.cc: New.
6939         * incremental.cc (Incremental_inputs_header_data,
6940         Incremental_inputs_entry_data): Move to incremental.h
6941         * incremental.h: (Incremental_inputs_header_data,
6942         Incremental_inputs_entry_data): Move from incremental.cc
6943
6944 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6945
6946         * incremental.cc (Incremental_inputs_header,
6947         Incremental_inputs_header_write, Incremental_inputs_entry,
6948         Incremental_inputs_entry_write): Add a typedef with the data type.
6949
6950 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6951
6952         * incremental.cc (Incremental_inputs_header,
6953         Incremental_inputs_header_write, Incremental_inputs_entry,
6954         Incremental_inputs_entry_write): Update comment about which
6955         type has the filed descriptions.
6956
6957 2009-11-15  Doug Kwan  <dougkwan@google.com>
6958
6959         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6960         (Arm_relocate_functions::arm_branch_common): Change method defintion
6961         in class definition to a method declaration and update list of formal
6962         parameters.
6963         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6964         Arm_relocation_functions::jump24): Adjust call to
6965         Arm_relocate_functions::arm_branch_common.  Update list of formal
6966         parameters.
6967         (Arm_relocate_functions::xpc25): New method definition.
6968         (Arm_relocate_functions::arm_branch_common): Move method defintion
6969         out from class definition.  Use stubs for mode-switching and extending
6970         branch ranges.
6971         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6972         specially.  Change code to enable use of stubs in ARM branches.
6973
6974 2009-11-10  Doug Kwan  <dougkwan@google.com>
6975
6976         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6977         in method declaration.
6978         (Target_arm::relocate_stub): New method declaration.
6979         (Target_arm::default_target): Change to return a pointer instead of
6980         a const reference.
6981         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6982         Target_arm::default_target.
6983         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6984         method definition.
6985         (Target_arm::relocate_section): Adjust view.
6986         (Target_arm::relocate_stub): New method definition.
6987
6988 2009-11-10  Doug Kwan  <dougkwan@google.com>
6989
6990         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6991         a format warning.
6992         * incremental.cc (open_incremental_binary): Initialized local
6993         variables to avoid warnings.
6994         * object.cc (make_elf_object): Ditto.
6995         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6996         a format warning.
6997
6998 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6999
7000         PR gold/10930
7001         * testsuite/plugin_test.c: Include "config.h".
7002
7003 2009-11-09  Doug Kwan  <dougkwan@google.com>
7004
7005         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7006         (arm_symbol_value): Remove.
7007         (Arm_relocate_functions::arm_branch_common,
7008         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7009         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7010         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7011         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7012         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7013         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7014         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7015         Arm_relocate_functions::thm_mobw_abs_nc,
7016         Arm_relocate_functions::thm_mov_abs,
7017         Arm_relocate_functions::movw_prel_nc,
7018         Arm_relocate_functions::thm_movt_abs,
7019         Arm_relocate_functions::movt_prel,
7020         Arm_relocate_functions::thm_movw_prel_nc,
7021         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7022         (Target_arm::Relocate::relocate): Only decompose address into two
7023         parts if relocation type uses the thumb-bit and pass the actual
7024         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7025         calls to methods in Arm_relocate_functions for this change.
7026
7027 2009-11-08  Ian Lance Taylor  <iant@google.com>
7028
7029         PR 10925
7030         * reloc.cc: Instantiate
7031         Sized_relobj::initialize_input_to_output_maps and
7032         Sized_relobj:free_input_to_output_maps.
7033
7034 2009-11-06  Ian Lance Taylor  <iant@google.com>
7035
7036         PR 10876
7037         * defstd.cc (in_segment): Set only_if_ref true for "end".
7038
7039 2009-11-06  Doug Kwan  <dougkwan@google.com>
7040
7041         * arm.cc (class Reloc_stub): Correct a comment.
7042         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7043         (Target_arm::scan_section_for_stubs): New method declaration.
7044         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7045         Change methods from private to protected.
7046         (Target_arm::do_may_relax): New method definition.
7047         (Target_arm::do_relax, Target_arm::group_sections,
7048         Target_arm::scan_reloc_for_stub,
7049         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7050         (Target_arm::arm_input_section_map_): New data member declaration.
7051         (Target_arm::scan_reloc_for_stub,
7052         Target_arm::scan_reloc_section_for_stubs,
7053         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7054         Target_arm::do_relax): New method definitions.
7055
7056 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7057
7058         * configure.ac: Check for (struct stat)::st_mtim
7059         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7060         * config.in: Regenerate.
7061         * configure: Regenerate.
7062
7063 2009-11-05  Ian Lance Taylor  <iant@google.com>
7064
7065         PR 10910
7066         * output.cc (Output_segment::add_output_section): Add missing
7067         return statement.
7068
7069 2009-11-04  Ian Lance Taylor  <iant@google.com>
7070
7071         PR 10880
7072         * object.h (class Object): Add is_needed and set_is_needed
7073         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7074         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7075         defined in a dynamic object and referenced by a regular object,
7076         set is_needed for the dynamic object.
7077         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7078         if the file is marked with as_needed and it is not needed.
7079
7080 2009-11-04  Ian Lance Taylor  <iant@google.com>
7081
7082         PR 10887
7083         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7084         tags if data is discarded by linker script.
7085         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7086         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7087         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7088         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7089
7090 2009-11-04  Ian Lance Taylor  <iant@google.com>
7091
7092         * layout.cc (Layout::get_output_section): Add is_interp and
7093         is_dynamic_linker_section parameters.  Change all callers.
7094         (Layout::choose_output_section): Likewise.
7095         (Layout::make_output_section): Likewise.
7096         (Layout::add_output_section_data): Add is_dynamic_linker_section
7097         parameter.  Change all callers.
7098         * layout.h (class Layout): Update declarations.
7099         * output.h (class Output_section): Add is_interp, set_is_interp,
7100         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7101         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7102         generate_code_fills_at_write_ to a bitfield.
7103         * output.cc (Output_section::Output_sections): Initialize new
7104         fields.
7105         (Output_segment::add_output_section): Add do_sort parameter.
7106         Change all callers.
7107
7108 2009-11-03  Ian Lance Taylor  <iant@google.com>
7109
7110         PR 10860
7111         * options.h (class General_options): Add --warn-common.
7112         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7113         merging two common symbols.
7114         (Symbol_table::should_override): Handle --warn-common when merging
7115         a common symbol with a defined symbol.  Use report_resolve_problem
7116         for multiple definitions.
7117         (Symbol_table::report_resolve_problem): New function.
7118         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7119
7120 2009-11-03  Doug Kwan  <dougkwan@google.com>
7121
7122         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7123         stub_factory_.
7124         (Target_arm::stub_factory): New method definition.
7125         (Target_arm::new_arm_input_section,
7126         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7127         Target_arm::reloc_uses_thumb_bit): New method declarations.
7128         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7129         New type definitions.
7130         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7131         member declarations.
7132         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7133         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7134         New method definitions.
7135
7136 2009-11-03  Ian Lance Taylor  <iant@google.com>
7137
7138         * options.h (class General_options): Add --warn_constructors.
7139
7140 2009-11-03  Ian Lance Taylor  <iant@google.com>
7141
7142         PR 10893
7143         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7144         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7145
7146 2009-11-03  Ian Lance Taylor  <iant@google.com>
7147
7148         PR 10895
7149         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7150         --msgid-bugs-address.
7151         (install-pdf): New target.
7152         (install-data_yes): Look up one directory to find mkinstalldirs.
7153
7154 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7155
7156         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7157         tree.
7158
7159 2009-10-30  Doug Kwan  <dougkwan@google.com>
7160
7161         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7162
7163 2009-10-30  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (Stub_addend_reader): New struct template definition
7166         and partial specializations.
7167         (Stub_addend_reader::operator()): New method definition for a
7168         partially specialized template.
7169
7170 2009-10-30  Doug Kwan  <dougkwan@google.com>
7171
7172         * arm.cc (Arm_relobj::processor_specific_flags): New method
7173         definition.
7174         (Arm_relobj::do_read_symbols): New method declaration.
7175         (Arm_relobj::processor_specific_flags_): New data member declaration.
7176         (Arm_dynobj): New class definition.
7177         (Target_arm::do_finalize_sections): Add input_objects parameter.
7178         (Target_arm::do_adjust_elf_header): New method declaration.
7179         (Target_arm::are_eabi_versions_compatible,
7180         (Target_arm::merge_processor_specific_flags): New method declaration.
7181         (Target_arm::do_make_elf_object): New overloaded method definitions
7182         and declaration.
7183         (Arm_relobj::do_read_symbols): New method definition.
7184         (Arm_dynobj::do_read_symbols): Ditto.
7185         (Target_arm::do_finalize_sections): Add input_objects parameters.
7186         Merge processor-specific flags from all input objects.
7187         (Target_arm::are_eabi_versions_compatible,
7188         Target_arm::merge_processor_specific_flags,
7189         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7190         New method definitions.
7191         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7192         Input_objects pointer type parameter.
7193         * layout.cc (Layout::finalize): Pass input objects to target's.
7194         finalize_sections function.
7195         * output.cc (Output_file_header::do_sized_write): Set ELF file
7196         header's processor-specific flags.
7197         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7198         Input_objects pointer type parameter.
7199         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7200         * target.h (Input_objects): New forward class declaration.
7201         (Target::processor_specific_flags,
7202         Target::are_processor_specific_flags_sect): New method definitions.
7203         (Target::finalize_sections): Add input_objects parameter.
7204         (Target::Target): Initialize processor_specific_flags_ and
7205         are_processor_specific_flags_set_.
7206         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7207         parameter.
7208         (Target::set_processor_specific_flags): New method definition.
7209         (Target::processor_specific_flags_,
7210         Target::are_processor_specific_flags_set_): New data member
7211         declarations.
7212         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7213         Input_objects pointer type parameter.
7214
7215 2009-10-30  Doug Kwan  <dougkwan@google.com>
7216
7217         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7218
7219 2009-10-28  Ian Lance Taylor  <iant@google.com>
7220
7221         * object.h (class Relobj): Drop options parameter from
7222         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7223         do_scan_relocs, do_relocate.  Change all callers.
7224         (class Sized_relobj): Drop options parameters from
7225         do_gc_process_relocs, do_scan_relocs, do_relocate,
7226         do_relocate_sections, relocate_sections, emit_relocs_scan,
7227         emit_relocs_scan_reltype.  Change all callers.
7228         (struct Relocate_info): Remove options field and all references to
7229         it.
7230         * reloc.h (class Read_relocs): Remove options constructor
7231         parameter and options_ field.  Change all callers.
7232         (class Gc_process_relocs, class Scan_relocs): Likewise.
7233         (class Relocate_task): Likewise.
7234         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7235         all callers.
7236         (scan_relocatable_relocs): Likewise.
7237         * target.h (class Sized_target): Remove options parameter from
7238         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7239         all callers.
7240         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7241         callers.
7242         * arm.cc: Update functions to remove options parameters.
7243         * i386.cc: Likewise.
7244         * powerpc.cc: Likewise.
7245         * sparc.cc: Likewise.
7246         * x86_64.cc: Likewise.
7247         * testsuite/testfile.cc: Likewise.
7248
7249 2009-10-28  Doug Kwan  <dougkwan@google.com>
7250
7251         * arm.cc (Arm_relobj): New class definition.
7252         (Arm_relobj::scan_sections_for_stubs,
7253         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7254         New method definitions.
7255
7256 2009-10-28  Cary Coutant  <ccoutant@google.com>
7257
7258         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7259         (Plugin::cleanup_done_): New member.
7260         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7261         (Plugin_manager::cleanup_done_): Remove.
7262         (Plugin_manager::add_input_file): Edit error message.
7263         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7264         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7265
7266 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7267
7268         * fileread.cc: (File_read::View::~View): Use the new
7269         data_ownership_ filed.
7270         (File_read::~File_read): Dispose the new whole_file_view_.
7271         (File_read::open): Mmap the whole file if needed.
7272         (File_read::open): Use whole_file_view_ instead of contents_.
7273         (File_read::find_view): Use whole_file_view_ if applicable.
7274         (File_read::do_read): Use whole_file_view_ instead of contents_.
7275         (File_read::make_view): Use whole_file_view_ instead of contents_,
7276         update File_read::View::View call.
7277         (File_read::find_or_make_view): Update File_read::View::View
7278         call.
7279         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7280         remove contents_
7281         (File_read::View::Data_ownership): New enum.
7282         (File_read::View::View): Replace bool mapped_ with Data_ownership
7283         argument.
7284         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7285         (File_read::View::data_ownership_): New field.
7286         (File_read::contents_): Remove (replaced by whole_file_view_).
7287         (File_read::whole_file_view_): New field.
7288         * options.h (class General_options): Add --keep-files-mapped.
7289
7290 2009-10-27  Cary Coutant  <ccoutant@google.com>
7291
7292         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7293         * testsuite/Makefile.am (plugin_test_5): New test case.
7294         * testsuite/Makefile.in: Regenerate.
7295
7296 2009-10-25  Doug Kwan  <dougkwan@google.com>
7297
7298         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7299         from private to protected to allow access by child class.
7300         (Sized_relobj::do_relocate_sections): New method declaration.
7301         (Sized_relobj::relocate_sections): Virtualize.
7302         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7303         Sized_relobj::relocate_sections.  Instantiate template explicitly
7304         for different target sizes and endianity.
7305
7306 2009-10-24  Doug Kwan  <dougkwan@google.com>
7307
7308         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7309         (Arm_input_section::as_arm_input_section): New method.
7310         (Arm_output_section): New class definition.
7311         (Arm_output_section::create_stub_group,
7312         Arm_output_section::group_sections): New method definitions.
7313
7314 2009-10-22  Doug Kwan  <dougkwan@google.com>
7315
7316         * arm.cc (Arm_input_section): New class definition.
7317         (Arm_input_section::init, Arm_input_section:do_write,
7318         Arm_input_section::set_final_data_size,
7319         Arm_input_section::do_reset_address_and_file_offset): New method
7320         definitions.
7321
7322 2009-10-21  Doug Kwan  <dougkwan@google.com>
7323
7324         * arm.cc (Stub_table, Arm_input_section): New forward class
7325         declarations.
7326         (Stub_table): New class defintion.
7327         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7328         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7329         New method definition.
7330
7331 2009-10-21  Doug Kwan  <dougkwan@google.com>
7332
7333         * arm.cc: Update copyright comments.
7334         (Target_arm): New forward class template declaration.
7335         (Arm_address): New type.
7336         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7337         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7338         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7339         constants.
7340         (Insn_template): Same.
7341         (DEF_STUBS): New macro.
7342         (Stub_type): New enum type.
7343         (Stub_template): New class definition.
7344         (Stub): Same.
7345         (Reloc_stub): Same.
7346         (Stub_factory): Same.
7347         (Target_arm::Target_arm): Initialize may_use_blx_ and
7348         should_force_pic_veneer_.
7349         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7350         Target_arm::should_force_pic_veneer,
7351         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7352         Target_arm::using_thumb_only, Target_arm:;default_target): New
7353         method defintions.
7354         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7355         New data member declarations.
7356         (Insn_template::size, Insn_template::alignment): New method defintions.
7357         (Stub_template::Stub_template): New method definition.
7358         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7359         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7360         (Stub_factory::Stub_factory): New method definition.
7361         * gold.h (string_hash): New template.
7362         * output.h (Input_section_specifier::hash_value): Use
7363         gold::string_hash.
7364         (Input_section_specifier::string_hash): Remove.
7365         * stringpool.cc (Stringpool_template::string_hash): Use
7366         gold::string_hash.
7367
7368 2009-10-20  Doug Kwan  <dougkwan@google.com>
7369
7370         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7371         symbols of relaxed input sections.
7372         * output.h (Output_section::find_relaxed_input_section): Make
7373         method public.
7374
7375 2009-10-16  Doug Kwan  <dougkwan@google.com>
7376
7377         * dynobj.cc (Versions::Versions): Initialize version_script_.
7378         Only insert base version symbol definition for a shared object
7379         if version script defines any version versions.
7380         (Versions::define_base_version): New method definition.
7381         (Versions::add_def): Check that base version is not needed.
7382         (Versions::add_need): Define base version lazily.
7383         * dynobj.h (Versions::define_base_version): New method declaration.
7384         (Versions::needs_base_version_): New data member declaration.
7385         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7386         (check_DATA): Add no_version_test.stdout.
7387         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7388         New make rules.
7389         * testsuite/Makefile.in: Regenerate.
7390         * testsuite/no_version_test.c: New file.
7391         * testsuite/no_version_test.sh: Ditto.
7392
7393 2009-10-16  Doug Kwan  <dougkwan@google.com>
7394
7395         * expression.cc (class Segment_start_expression): New class definition.
7396         (Segment_start_expression::value): New method definition.
7397         (script_exp_function_segment_start): Return a new
7398         Segment_start_expression.
7399         * gold/script-c.h (script_saw_segment_start_expression): New function
7400         prototype.
7401         * script-sections.cc (Script_sections::Script_sections): Initialize
7402         SAW_SEGMENT_START_EXPRESSION_ to false.
7403         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7404         and -Tbbs options to specify section addresses if given in
7405         command line and no SEGMENT_START expression is seen in a script.
7406         * script-sections.h (Script_sections::saw_segment_start_expression,
7407         Script_sections::set_saw_segment_start_expression): New method
7408         definition.
7409         (Script_sections::saw_segment_start_expression_): New data member
7410         declaration.
7411         * script.cc (script_saw_segment_start_expression): New function.
7412         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7413         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7414         script_test_7.sh and script_test_8.sh.
7415         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7416         script_test_8.stdout.
7417         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7418         (script_test_6, script_test_6.stdout, script_test_7,
7419         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7420         * Makefile.in: Regenerate.
7421         * testsuite/script_test_6.sh: New file.
7422         * testsuite/script_test_6.t: Same.
7423         * testsuite/script_test_7.sh: Same.
7424         * testsuite/script_test_7.t: Same.
7425         * testsuite/script_test_8.sh: Same.
7426
7427 2009-10-16  Doug Kwan  <dougkwan@google.com>
7428
7429         * output.cc (Output_segment::set_section_list_address): Cast
7430         expressions to unsigned long long type to avoid format warnings.
7431
7432 2009-10-15  Ian Lance Taylor  <iant@google.com>
7433
7434         * script.cc (Script_options::add_symbol_assignment): Always add a
7435         dot assignment to script_sections_.
7436         * script-sections.cc (Script_sections::add_dot_assignment):
7437         Initialize if necessary.
7438
7439         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7440         program headers with no load segment if there is a linker script.
7441
7442         * layout.cc (Layout::set_segment_offsets): Align the file offset
7443         to the segment aligment for -N or -n with no load segment.
7444         * output.cc (Output_segment::add_output_section): Don't crash if
7445         the first section is a TLS section.
7446         (Output_segment::set_section_list_addresses): Print an error
7447         message if the address moves backward in a linker script.
7448         * script-sections.cc
7449         (Output_section_element_input::set_section_addresses): Don't
7450         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7451         (Orphan_output_section::set_section_addresses): Likewise.
7452
7453 2009-10-15  Doug Kwan  <dougkwan@google.com>
7454
7455         * layout.cc (Layout::finish_dynamic_section): Generate tags
7456         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7457         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7458         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7459
7460 2009-10-14  Ian Lance Taylor  <iant@google.com>
7461
7462         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7463         fields.
7464         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7465         data_shdr fields of relinfo.
7466         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7467         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7468         R_386_TLS_LDO_32, adjust based on section flags.
7469         (Target_i386::Relocate::fix_up_ldo): Remove.
7470
7471 2009-10-13  Ian Lance Taylor  <iant@google.com>
7472
7473         Add support for -pie.
7474         * options.h (class General_options): Add -pie and
7475         --pic-executable.
7476         (General_options::output_is_position_independent): Test -pie.
7477         (General_options::output_is_executable): Return true if not shared
7478         and not relocatable.
7479         (General_options::output_is_pie): Remove.
7480         * options.cc (General_options::finalize): Reject incompatible uses
7481         of -pie.
7482         * gold.cc (queue_middle_tasks): A -pie link is not static.
7483         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7484         * symtab.cc (Symbol::final_value_is_known): Return false if
7485         output_is_position_independent.
7486         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7487         output_is_position_independent.
7488         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7489         output_is_position_independent.
7490         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7491         output_is_position_independent.
7492         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7493         two_file_pie_test.
7494         (basic_pie_test.o, basic_pie_test): New targets.
7495         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7496         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7497         (two_file_pie_test): New target.
7498         * testsuite/Makefile.in: Rebuild.
7499         * README: Remove note saying that -pie is not supported.
7500
7501 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7502
7503         * options.h (class General_options): Add -init and -fini.
7504         * layout.cc (Layout::finish_dynamic_section): Emit
7505         given init and fini functions.
7506
7507 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7508
7509         * gc.h (gc_process_relocs): Check if icf is enabled using new
7510         function.
7511         * gold.cc (queue_initial_tasks): Likewise.
7512         (queue_middle_tasks): Likewise.
7513         * object.cc (do_layout): Likewise.
7514         * symtab.cc (is_section_folded): Likewise.
7515         * main.cc (main): Likewise.
7516         * reloc.cc (Read_relocs::run): Likewise.
7517         (Sized_relobj::do_scan_relocs): Likewise.
7518         * icf.cc (is_function_ctor_or_dtor): New function.
7519         (Icf::find_identical_sections): Check if function is ctor or dtor when
7520         safe icf is chosen.
7521         * options.h (General_options::icf): Change option to be an enum.
7522         (Icf_status): New enum.
7523         (icf_enabled): New method.
7524         (icf_safe_folding): New method.
7525         (set_icf_status): New method.
7526         (icf_status_): New variable.
7527         * (options.cc) (General_options::finalize): Set icf_status_.
7528         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7529         icf_test and icf_keep_unique_test to use the --icf enum flag.
7530         * testsuite/icf_safe_test.sh: New file.
7531         * testsuite/icf_safe_test.cc: New file.
7532
7533 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7534
7535         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7536         includes to gc.h and icf.h.
7537         * arm.cc: Include gc.h.
7538         * gold.cc: Likewise.
7539         * i386.cc: Likewise.
7540         * powerpc.cc: Likewise.
7541         * sparc.cc: Likewise.
7542         * x86_64.cc: Likewise.
7543         * gc.h: Include icf.h.
7544
7545 2009-10-11  Ian Lance Taylor  <iant@google.com>
7546
7547         * plugin.cc: Include "gold.h" before other header files.
7548
7549 2009-10-10  Chris Demetriou  <cgd@google.com>
7550
7551         * options.h (Input_file_argument::Input_file_type): New enum.
7552         (Input_file_argument::is_lib_): Replace with...
7553         (Input_file_argument::type_): New member.
7554         (Input_file_argument::Input_file_argument): Take Input_file_type
7555         'type' rather than boolean 'is_lib' as second argument.
7556         (Input_file_argument::is_lib): Use type_.
7557         (Input_file_argument::is_searched_file): New function.
7558         (Input_file_argument::may_need_search): Handle is_searched_file.
7559         * options.cc (General_options::parse_library): Support -l:filename.
7560         (General_options::parse_just_symbols): Update for Input_file_argument
7561         changes.
7562         (Command_line::process): Likewise.
7563         * archive.cc (Archive::get_file_and_offset): Likewise.
7564         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7565         * script.cc (read_script_file, script_add_file): Likewise.
7566         * fileread.cc (Input_file::Input_file): Likewise.
7567         (Input_file::will_search_for): Handle is_searched_file.
7568         (Input_file::open): Likewise.
7569         * readsyms.cc (Read_symbols::get_name): Likewise.
7570         * testsuite/Makefile.am (searched_file_test): New test.
7571         * testsuite/Makefile.in: Regenerate.
7572         * testsuite/searched_file_test.cc: New file.
7573         * testsuite/searched_file_test_lib.cc: New file.
7574
7575 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7576             Ian Lance Taylor  <iant@google.com>
7577
7578         * descriptor.cc: Include <cstdio> and "binary-io.h".
7579         (Descriptors::open): Open the files in binary mode always.
7580         * script.cc (Lex::get_token): Treat \r as whitespace.
7581
7582 2009-10-09  Ian Lance Taylor  <iant@google.com>
7583
7584         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7585
7586 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7587             Ian Lance Taylor  <iant@google.com>
7588
7589         * configure.ac: Check for readv function also.
7590         * fileread.cc (readv): Define if not HAVE_READV.
7591         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7592         does not exist.
7593         * config.in: Regenerate.
7594         * configure: Regenerate.
7595
7596 2009-10-09  Doug Kwan  <dougkwan@google.com>
7597
7598         * layout.cc (Layout::make_output_section): Call target hook to make
7599         ordinary output section.
7600         (Layout::finalize): Adjust parameter list of call the
7601         Target::may_relax().
7602         * layout.h (class Layout::section_list): New method.
7603         * merge.h (Output_merge_base::entsize): Change visibility to public.
7604         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7605         New methods.
7606         (Output_merge_string::do_is_string): New method.
7607         * object.cc (Sized_relobj::do_setup): renamed from
7608         Sized_relobj::set_up.
7609         * object.h (Sized_relobj::adjust_shndx,
7610         Sized_relobj::initializ_input_to_output_maps,
7611         Sized_relobj::free_input_to_output_maps): Change visibilities to
7612         protected.
7613         (Sized_relobj::setup): Virtualize.
7614         (Sized_relobj::do_setup): New method declaration.
7615         (Sized_relobj::invalidate_section_offset,
7616         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7617         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7618         * options.cc (parse_int): New function.
7619         * options.h (parse_int): New declaration.
7620         (DEFINE_int): New macro.
7621         (stub_group_size): New option.
7622         * output.cc (Output_section::Output_section): Initialize memebers
7623         merge_section_map_, merge_section_by_properties_map_,
7624         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7625         (Output_section::add_input_section): Handled deferred code-fill
7626         generation and remove an old comment.
7627         (Output_section::add_relaxed_input_section): New method definition.
7628         (Output_section::add_merge_input_section): Use merge section by
7629         properties map to speed to search.  Update merge section maps
7630         as appropriate.
7631         (Output_section::build_relaxation_map): New method definition.
7632         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7633         Same.
7634         (Output_section::relax_input_section): Renamed to
7635         Output_section::convert_input_sections_to_relaxed_sections and change
7636         interface to take a vector of pointers to relaxed sections.
7637         (Output_section::find_merge_section,
7638         Output_section::find_relaxed_input_section): New method definitions.
7639         (Output_section::is_input_address_mapped,
7640         Output_section::output_offset, Output_section::output_address):
7641         Use output section data maps to speed up searching.
7642         (Output_section::find_starting_output_address): Add comments.
7643         (Output_section::do_write,
7644         Output_section::write_to_postprocessing_buffer): Do code-fill
7645         generation as appropriate.
7646         (Output_section::get_input_sections): Invalidate relaxed input section
7647         map.
7648         (Output_section::restore_states): Adjust type of checkpoint .
7649         Invalidate relaxed input section map.
7650         * output.h (Output_merge_base): New class declaration.
7651         (Input_section_specifier): New class defintion.
7652         (class Output_relaxed_input_section) Change base class to
7653         Output_section_data_build.
7654         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7655         base class initializer.
7656         (Output_section::add_relaxed_input_section): New method declaration.
7657         (Output_section::Input_section): Change visibility to protected.
7658         (Output_section::Input_section::relobj,
7659         Output_section::Input_section::shndx): Handle relaxed input sections.
7660         Output_section::input_sections) Change visibility to protected.  Also
7661         define overload to return a non-const pointer.
7662         (Output_section::Merge_section_properties): New class defintion.
7663         (Output_section::Merge_section_by_properties_map,
7664         Output_section::Output_section_data_by_input_section_map,
7665         Output_section::Relaxation_map): New types.
7666         (Output_section::relax_input_section): Rename method to
7667         Output_section::convert_input_sections_to_relaxed_sections and change
7668         interface to take a vector of relaxed section pointers.
7669         (Output_section::find_merge_section,
7670         Output_section::find_relaxed_input_section,
7671         Output_section::build_relaxation_map,
7672         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7673         New method declarations.
7674         (Output_section::merge_section_map_
7675         Output_section::merge_section_by_properties_map_,
7676         Output_section::relaxed_input_section_map_,
7677         Output_section::is_relaxed_input_section_map_valid_,
7678         Output_section::generate_code_fills_at_write_): New data members.
7679         * script-sections.cc
7680         (Output_section_element_input::set_section_addresses): Call
7681         current_data_size and addralign methods of relaxed input sections.
7682         (Orphan_output_section::set_section_addresses): Call current_data_size
7683         and addralign methods of relaxed input sections.
7684         * symtab.cc (Symbol_table::compute_final_value): Extract template
7685         from the body of Symbol_table::sized_finalize_symbol.
7686         (Symbol_table::sized_finalized_symbol): Call
7687         Symbol_table::compute_final_value.
7688         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7689         (Symbol_table::compute_final_value): New templated method declaration.
7690         * target.cc (Target::do_make_output_section): New method defintion.
7691         * target.h (Target::make_output_section): New method declaration.
7692         (Target::relax): Add more parameters for input objects, symbol table
7693         and layout.  Adjust call to do_relax.
7694         (Target::do_make_output_section): New method declaration.
7695         (Target::do_relax): Add parameters for input objects, symbol table
7696         and layout.
7697
7698 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7699
7700         * pread.c: Include stdio.h.
7701
7702 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7703
7704         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7705         defined.
7706
7707 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7708
7709         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7710         Change read_shndx type to unsigned int.
7711         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7712         int.
7713         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7714         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7715         Change read_shndx type to unsigned int.
7716         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7717         int.
7718         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7719         * layout.cc (Layout::create_symtab_sections): Cast the result of
7720         local_symcount * symsize to off_t in the gold_assert.
7721
7722 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7723
7724         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7725         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7726         R_ARM_BASE_ABS.
7727         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7728         (Arm_relocate_functions::thm_abs5): New function.
7729         (Arm_relocate_functions::abs12): New function.
7730         (Arm_relocate_functions::abs16): New function.
7731         (Arm_relocate_functions::base_abs): New function.
7732         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7733         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7734         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7735         R_ARM_BASE_ABS.
7736         (Scan::global): Likewise.
7737         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7738         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7739         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7740         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7741         R_ARM_BASE_ABS.
7742
7743 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7744
7745         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7746         (Arm_relocate_functions::movt_prel): New function.
7747         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7748         (Arm_relocate_functions::thm_movt_prel): New function.
7749         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7750         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7751         (Scan::global, Relocate::relocate): Likewise.
7752         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7753
7754 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7755
7756         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7757         Incremental_checker.
7758         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7759         unsigned int.
7760         (class Incremental_inputs_header): New class.
7761         (Incremental_inputs_header_writer): Edit comment.
7762         (Incremental_inputs_entry): New class.
7763         (Incremental_inputs_entry_writer): Edit comment.
7764         (Sized_incremental_binary::do_find_incremental_inputs_section):
7765         Add *strtab_shndx parameter, fill it.
7766         (Sized_incremental_binary::do_check_inputs): New method.
7767         (Incremental_checker::can_incrementally_link_output_file): Use
7768         Sized_incremental_binary::check_inputs.
7769         (Incremental_inputs::report_command_line): Save command line in
7770         command_line_.
7771         * incremental.h:
7772         (Incremental_binary::find_incremental_inputs_section): New
7773         method.
7774         (Incremental_binary::do_find_incremental_inputs_section): Add
7775         strtab_shndx parameter.
7776         (Incremental_binary::do_check_inputs): New pure virtual method.
7777         (Sized_incremental_binary::do_check_inputs): Declare.
7778         (Incremental_checker::Incremental_checker): Add incremental_inputs
7779         parameter, use it to initialize incremental_inputs_.
7780         (Incremental_checker::incremental_inputs_): New field.
7781         (Incremental_checker::command_line): New method.
7782         (Incremental_checker::inputs): New method.
7783         (Incremental_checker::command_line_): New field.
7784
7785 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7786
7787         * incremental.cc: Include <cstdarg> and "target-select.h".
7788         (vexplain_no_incremental): New function.
7789         (explain_no_incremental): New function.
7790         (Incremental_binary::error): New method.
7791         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7792         method.
7793         (make_sized_incremental_binary): New function.
7794         (open_incremental_binary): New function.
7795         (can_incrementally_link_file): Add checks if output is ELF and has
7796         inputs section.
7797         * incremental.h: Include "elfcpp_file.h" and "output.h".
7798         (Incremental_binary): New class.
7799         (Sized_incremental_binary): New class.
7800         (open_incremental_binary): Declare.
7801         * object.cc (is_elf_object): Use
7802         elfcpp::Elf_recognizer::is_elf_file.
7803         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7804         * output.h (Output_file::filesize): New method.
7805
7806 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7807
7808         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7809         New function.
7810         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7811         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7812         function.
7813         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7814         function.
7815         (Arm_relocate_functions::movw_abs_nc): New function.
7816         (Arm_relocate_functions::movt_abs): New function.
7817         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7818         (Arm_relocate_functions::thm_movt_abs): New function.
7819         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7820         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7821         (Scan::global): Likewise.
7822         (Relocate::relocate): Likewise.
7823         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7824
7825 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7826
7827         * arm.cc (Arm_relocate_functions::got_prel) New function.
7828         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7829         (Relocate::relocate): Likewise.
7830         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7831
7832 2009-10-06  Ian Lance Taylor  <iant@google.com>
7833
7834         * options.h (class General_options): Define
7835         split_stack_adjust_size parameter.
7836         * object.h (class Object): Add uses_split_stack_ and
7837         has_no_split_stack_ fields.  Add uses_split_stack and
7838         has_no_split_stack accessor functions.  Declare
7839         handle_split_stack_section.
7840         (class Reloc_symbol_changes): Define.
7841         (class Sized_relobj): Define Function_offsets.  Declare
7842         split_stack_adjust, split_stack_adjust_reltype, and
7843         find_functions.
7844         * object.cc (Object::handle_split_stack_section): New function.
7845         (Sized_relobj::do_layout): Call handle_split_stack_section.
7846         * dynobj.cc (Sized_dynobj::do_layout): Call
7847         handle_split_stack_section.
7848         * reloc.cc (Sized_relobj::relocate_sections): Call
7849         split_stack_adjust for executable sections in split_stack
7850         objects.  Pass reloc_map to relocate_section.
7851         (Sized_relobj::split_stack_adjust): New function.
7852         (Sized_relobj::split_stack_adjust_reltype): New function.
7853         (Sized_relobj::find_functions): New function.
7854         * target-reloc.h: Include "object.h".
7855         (relocate_section): Add reloc_symbol_changes parameter.  Change
7856         all callers.
7857         * target.h (class Target): Add calls_non_split method.  Declare
7858         do_calls_non_split virtual method.  Declare match_view and
7859         set_view_to_nop.
7860         * target.cc: Include "elfcpp.h".
7861         (Target::do_calls_non_split): New function.
7862         (Target::match_view): New function.
7863         (Target::set_view_to_nop): New function.
7864         * gold.cc (queue_middle_tasks): Give an error if mixing
7865         split-stack and non-split-stack objects with -r.
7866         * i386.cc (Target_i386::relocate_section): Add
7867         reloc_symbol_changes parameter.
7868         (Target_i386::do_calls_non_split): New function.
7869         * x86_64.cc (Target_x86_64::relocate_section): Add
7870         reloc_symbol_changes parameter.
7871         (Target_x86_64::do_calls_non_split): New function.
7872         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7873         parameter.
7874         * powerpc.cc (Target_powerpc::relocate_section): Add
7875         reloc_symbol_changes parameter.
7876         * sparc.cc (Target_sparc::relocate_section): Add
7877         reloc_symbol_changes parameter.
7878         * configure.ac: Call AM_CONDITIONAL for the default target.
7879         * configure: Rebuild.
7880         * testsuite/Makefile.am (TEST_AS): New variable.
7881         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7882         (check_DATA): Add split_i386 and split_x86_64 files.
7883         (SPLIT_DEFSYMS): Define.
7884         (split_i386_[1234n].o): New targets.
7885         (split_i386_[124]): New targets.
7886         (split_i386_[1234r].stdout): New targets.
7887         (split_x86_64_[1234n].o): New targets.
7888         (split_x86_64_[124]): New targets.
7889         (split_x86_64_[1234r].stdout): New targets.
7890         (MOSTLYCLEANFILES): Add new executables.
7891         * testsuite/split_i386.sh: New file.
7892         * testsuite/split_x86_64.sh: New file.
7893         * testsuite/split_i386_1.s: New file.
7894         * testsuite/split_i386_2.s: New file.
7895         * testsuite/split_i386_3.s: New file.
7896         * testsuite/split_i386_4.s: New file.
7897         * testsuite/split_i386_n.s: New file.
7898         * testsuite/split_x86_64_1.s: New file.
7899         * testsuite/split_x86_64_2.s: New file.
7900         * testsuite/split_x86_64_3.s: New file.
7901         * testsuite/split_x86_64_4.s: New file.
7902         * testsuite/split_x86_64_n.s: New file.
7903         * testsuite/testfile.cc (Target_test): Update relocation_section
7904         function.
7905         * testsuite/Makefile.in: Rebuild.
7906
7907 2009-10-06  Ian Lance Taylor  <iant@google.com>
7908
7909         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7910         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7911         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7912         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7913         the address on ldo_addrs_.
7914         (Target_i386::Relocate::fix_up_ldo): New function.
7915
7916 2009-10-06   Rafael Espindola  <espindola@google.com>
7917
7918         * plugin.cc (add_input_library): New.
7919         (Plugin::load): Add add_input_library to tv.
7920         (Plugin_manager::add_input_file): Add the is_lib argument.
7921         (add_input_file): Update call to Plugin_manager::add_input_file.
7922         (add_input_library): New.
7923         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7924
7925 2009-09-30  Doug Kwan  <dougkwan@google.com>
7926
7927         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7928         symbol and call Symbol::may_need_copy_reloc to determine if
7929         a copy reloc is needed.
7930         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7931         nocopyreloc is given in command line.
7932         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7933         given in command line.
7934         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7935         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7936         of the removed Target_i386::may_need_copy_reloc.
7937         * options.h (copyreloc): New option with default value false.
7938         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7939         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7940         instead of the removed Target_powerpc::may_need_copy_reloc.
7941         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7942         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7943         instead of the removed Target_sparc::may_need_copy_reloc.
7944         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7945         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7946         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7947         instead of the removed Target_x86_64::may_need_copy_reloc.
7948
7949 2009-09-30  Ian Lance Taylor  <iant@google.com>
7950
7951         * object.h (class Object): Remove target_ field, and target,
7952         sized_target, and set_target methods.
7953         (Object::sized_target): Remove.
7954         (class Sized_relobj): Update declarations.  Remove sized_target.
7955         * object.cc (Sized_relobj::setup): Remove target parameter.
7956         Change all callers.
7957         (Input_objects::add_object): Don't do anything with the target.
7958         (make_elf_sized_object): Add punconfigured parameter.  Change all
7959         callers.  Set or test parameter target.
7960         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7961         Change all callers.
7962         * parameters.cc (Parameters::set_target): Change parameter type to
7963         be non-const.
7964         (Parameters::default_target): Remove.
7965         (set_parameters_target): Change parameter type to be non-const.
7966         (parameters_force_valid_target): New function.
7967         (parameters_clear_target): New function.
7968         * parameters.h (class Parameters): Update declarations.  Remove
7969         default_target method.  Add sized_target and clear_target
7970         methods.  Change target_ to be non-const.
7971         (set_parameters_target): Update declaration.
7972         (parameters_force_valid_target): Declare.
7973         (parameters_clear_target): Declare.
7974         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7975         as NULL if we aren't searching.
7976         (Add_symbols::run): Don't check for compatible target.
7977         * fileread.cc (Input_file::open_binary): Call
7978         parameters_force_valid_target.
7979         * gold.cc (queue_middle_tasks): Likewise.
7980         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7981         set_target on object.
7982         * dynobj.h (class Sized_dynobj): Update declarations.
7983         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7984         make_elf_object returns NULL.
7985         (Archive::include_member): Don't check whether object target is
7986         compatible.
7987         * output.cc (Output_section::add_input_section): Get target from
7988         parameters.
7989         (Output_section::relax_input_section): Likewise.
7990         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7991         parameters.
7992         (Sized_relobj::do_scan_relocs): Likewise.
7993         (Sized_relobj::relocate_sections): Likewise.
7994         * resolve.cc (Symbol_table::resolve): Likewise.
7995         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7996         parameter.  Change all callers.
7997         (Symbol_table::add_from_object): Get target from parameters.
7998         (Symbol_table::add_from_relobj): Don't check object target.
7999         (Symbol_table::add_from_dynobj): Likewise.
8000         (Symbol_table::define_special_symbol): Get target from
8001         parameters.
8002         * symtab.h (class Symbol_table): Update declaration.
8003         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8004         parameter.  Change all callers.  Clear parameter target.
8005         (Binary_test): Test target here.
8006         * testsuite/object_unittest.cc (gold_testsuite): Remove
8007         target_test_pointer parameter.  Change all callers.
8008         (Object_test): Test target here.
8009
8010 2009-09-26  Ian Lance Taylor  <iant@google.com>
8011
8012         * testsuite/initpri1.c: Don't try to use constructor priorities if
8013         compiling with gcc before 4.3.
8014
8015 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8016
8017         * testsuite/retain_symbols_file_test.sh (check_present): Change
8018         output file name to retain_symbols_file_test.stdout.
8019         (check_absent): Likewise.
8020
8021 2009-09-18  Craig Silverstein  <csilvers@google.com>
8022
8023         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8024         * options.cc: Include <cerrno> and <fstream>.
8025         (General_options::finalize): Parse -retain-symbols-file tag.
8026         * options.h: New flag.
8027         (General_options): New method should_retain_symbol, new
8028         variable symbols_to_retain.
8029         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8030         should_retain_symbol map.
8031         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8032         * testsuite/Makefile.in: Regenerate.
8033         * testsuite/retain_symbols_file_test.sh: New file.
8034
8035 2009-09-18  Nick Clifton  <nickc@redhat.com>
8036
8037         * po/es.po: Updated Spanish translation.
8038
8039 2009-09-17  Doug Kwan  <dougkwan@google.com>
8040
8041         * debug.h (DEBUG_RELAXATION): New constant.
8042         (DEBUG_ALL): Add DEBUG_RELAXATION.
8043         (debug_string_to_enum): Add relaxation debug option.
8044         * layout.cc
8045         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8046         Layout::Relaxation_debug_check::read_sections,
8047         Layout::Relaxation_debug_check::read_sections): New method definitions.
8048         (Layout::Layout): Initialize data members
8049         record_output_section_data_from_scrips_,
8050         script_output_section_data_list_ and relaxation_debug_check_.
8051         (Layout::save_segments, Layout::restore_segments,
8052         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8053         Layout::relaxation_loop_body): New method definitions.
8054         (Layout::finalize): Support relaxation.  Move section layout code to
8055         Layout::relaxation_loop_body.
8056         (Layout::set_asection_address_from_script): Move code for orphan
8057         section placement out.
8058         (Layout::place_orphan_sections_in_script): New method definition.
8059         * layout.h (Output_segment_headers, Output_file_header):
8060         New forward class declarations.
8061         (Layout::~Layout): Define.
8062         (Layout::new_output_section_data_from_script): New method definition.
8063         (Layout::place_orphan_sections_in_script): New method declaration.
8064         (Layout::Segment_states): New type declaration.
8065         (Layout::save_segments, Layout::restore_segments,
8066         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8067         Layout::relaxation_loop_body): New method declarations.
8068         (Layout::Output_section_data_list): New type declaration.
8069         (Layout::Relaxation_debug_check): New class definition.
8070         (Layout::record_output_section_data_from_script_,
8071         Layout::script_output_section_data_list_, Layout::segment_states_,
8072         Layout::relaxation_debug_check_): New data members.
8073         * output.cc: (Output_section_headers::do_size): New method definition.
8074         (Output_section_headers::Output_section_headers): Move size
8075         computation to Output_section_headers::do_size.
8076         (Output_segment_headers::do_size): New method definition.
8077         (Output_file_header::Output_file_header): Move size computation to
8078         Output_file_header::do_size and call it.
8079         (Output_file_header::do_size): New method definition.
8080         (Output_data_group::Output_data_group): Adjust call to
8081         Output_section_data.
8082         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8083         (Output_symtab_xindex::do_write): Add array bound check.
8084         (Output_section::Input_section::print_to_mapfile): Handle
8085         RELAXED_INPUT_SECTION_CODE.
8086         (Output_section::Output_section): Initialize data member checkpoint_.
8087         (Output_section::~Output_section): Delete checkpoint object pointed
8088         by checkpoint_.
8089         (Output_section::add_input_section): Always add an Input_section if
8090         relaxing.
8091         (Output_section::add_merge_input_section): Add assert.
8092         (Output_section::relax_input_section): New method definition.
8093         (Output_section::set_final_data_size): Set load address to zero for
8094         an unallocated section.
8095         (Output_section::do_address_and_file_offset_have_reset_values):
8096         New method definition.
8097         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8098         Handle relaxed input section.
8099         (Output_section::sort_attached_input_sections): Checkpoint input
8100         section list lazily.
8101         (Output_section::get_input_sections): Change type of input_sections to
8102         list of Simple_input_section pointers.  Checkpoint input section list
8103         lazily.  Also handle relaxed input sections.
8104         (Output_section::add_input_section_for_script): Take a reference to
8105         a Simple_input_section object instead of Relobj pointer and section
8106         index as parameter.  Handle relaxed input sections.
8107         (Output_section::save_states, Output_section::restore_states): New
8108         method definitions.
8109         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8110         (Output_data::is_data_size_fixed): New method definition.
8111         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8112         if it is fixed.
8113         (Output_data::address_and_file_offset_have_reset_values): New method
8114         definition.
8115         (Output_data::do_address_and_file_offset_have_reset_values): New method
8116         definition.
8117         (Output_data::set_data_size): Check that data size is not fixed.
8118         (Output_data::fix_data_size): New method definition.
8119         (Output_data::is_data_size_fixed_): New data member.
8120         (Output_section_headers::set_final_data_size): New method definition.
8121         (Output_section_headers::do_size): New method declaration.
8122         (Output_segment_headers::set_final_data_size): New method definition.
8123         (Output_segment_headers::do_size): New method declaration.
8124         (Output_file_header::set_final_data_size)::New method definition.
8125         (Output_file_header::do_size)::New method declaration.
8126         (Output_section_data::Output_section_data): Add new parameter
8127         is_data_size_fixed and use it to fix data size.
8128         (Output_data_const::Output_data_const): Adjust call to base class
8129         constructor and fix data size.
8130         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8131         base class constructor and fix data size.
8132         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8133         base class constructor and fix data size.
8134         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8135         class constructor and fix data size.
8136         (Output_data_group::set_final_data_size): New method definition.
8137         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8138         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8139         class constructor and fix data size.
8140         (Output_relaxed_input_section): New class definition.
8141         (Output_section::Simple_input_section): New class definition.
8142         (Output_section::get_input_sections): Adjust parameter list.
8143         (Output_section::add_input_section_for_script): Same.
8144         (Output_section::save_states, Output_section::restore_states,
8145         Output_section::do_address_and_file_offset_have_reset_values,
8146         (Output_section::Input_section::Input_section): Handle
8147         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8148         Output_relaxed_input_section.
8149         (Output_section::Input_section::is_input_section,
8150         Output_section::Input_section::set_output_section): Handle relaxed
8151         input section.
8152         (Output_section::Input_section::is_relaxed_input_section,
8153         Output_section::Input_section::output_section_data,
8154         Output_section::Input_section::relaxed_input_section): New method
8155         definitions.
8156         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8157         value.
8158         (Output_section::Input_section::u1_): Update comments.
8159         (Output_section::Input_section::u2_): Add new union member poris.
8160         (Output_section::Checkpoint_output_section): New classs definition.
8161         (Output_section::relax_input_section): New method declaration.
8162         (Output_section::checkpoint_): New data member.
8163         (Output_segment): Update comments.
8164         (Output_segment::Output_segment): Un-privatize copy constructor.
8165         (Output_segment::operator=): Un-privatize.
8166         * script-sections.cc (Output_section_element::Input_section_list):
8167         Change element type to Output_section::Simple_input_section.
8168         (Output_section_element_dot_assignment::set_section_addresses):
8169         Register output section data for relaxation clean up.
8170         (Output_data_exression::Output_data_expression): Adjust call to base
8171         constructor to fix data size.
8172         (Output_section_element_data::set_section_addresses): Register
8173         Output_data_expression object for relaxation clean up.
8174         (struct Input_section_info): Replace Relobj pointer and section index
8175         pair with Output_section::Simple_input_section and Convert struct to a
8176         class.
8177         (Input_section_sorter::operator()): Adjust access to
8178         Input_section_info data member to use accessors.
8179         (Output_section_element_input::set_section_addresses): Use layout
8180         parameter.  Adjust code to use Output_section::Simple_input_section
8181         and Input_secction_info classes.  Register filler for relaxation
8182         clean up.
8183         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8184         and section index pair with Output_section::Simple_input_section
8185         class.  Adjust code accordingly.
8186         (Phdrs_element::release_segment): New method definition.
8187         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8188         segment list.
8189         (Script_sections::release_segments): New method definition.
8190         * gold/script-sections.h (Script_sections::release_segments): New
8191         method declaration.
8192         * gold/target.h (Target::may_relax, Target::relax,
8193         Target::do_may_relax, Target::do_relax): New method definitions.
8194
8195 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8196
8197         * arm.cc (has_signed_unsigned_overflow): New function.
8198         (Arm_relocate_functions::abs8): New function.
8199         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8200         (Target_arm::Scan::global): Likewise.
8201         (Target_arm::relocate::relocate): Likewise.
8202         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8203         Likewise.
8204
8205 2009-09-16  Cary Coutant  <ccoutant@google.com>
8206
8207         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8208         * testsuite/Makefile.in: Regenerate.
8209
8210 2009-09-11  Nick Clifton  <nickc@redhat.com>
8211
8212         * po/gold.pot: Updated by the Translation project.
8213
8214 2009-09-08  Cary Coutant  <ccoutant@google.com>
8215
8216         * output.cc (Output_file::open): Add execute permission to empty file.
8217         * testsuite/Makefile.am (permission_test): New test.
8218         * testsuite/Makefile.in: Regenerate.
8219
8220 2009-09-02  Ian Lance Taylor  <iant@google.com>
8221
8222         * output.cc (Output_file::resize): Call map_no_anonymous rather
8223         than map.
8224
8225 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8226
8227         * gold.cc: Include "incremental.h".
8228         (queue_initial_tasks): Call Incremental_checker methods.
8229         * incremental.cc: Include "output.h".
8230         (Incremental_checker::can_incrementally_link_output_file): New
8231         method.
8232         * incremental.h (Incremental_checker): New class.
8233
8234         * output.cc (Output_file::open_for_modification): New method.
8235         (Output_file::map_anonymous): Changed return type to bool.  Record
8236         map in base_ field.
8237         (Output_file::map_no_anonymous): New method, broken out of map.
8238         (Output_file::map): Use map_no_anonymous and map_anonymous.
8239         * output.h (class Output_file): Update declarations.
8240
8241 2009-08-24  Cary Coutant  <ccoutant@google.com>
8242
8243         * options.h (Command_line::Pre_options): New class.
8244         (Command_line::pre_options): New member.
8245         * options.cc (gold::options::ready_to_register): New variable.
8246         (One_option::register_option): Do nothing if not registering options.
8247         Assert if same short option registered twice.
8248         (General_options::General_options): Turn off option registration when
8249         done constructing.
8250         (Command_line::Pre_options::Pre_options): New constructor.
8251
8252 2009-08-24  Cary Coutant  <ccoutant@google.com>
8253
8254         * options.h (General_options::no_keep_memory): Remove incorrect
8255         short option.
8256
8257 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8258
8259         * Makefile.am (am__skiplex, am__skipyacc): New.
8260         * Makefile.in: Regenerate.
8261
8262 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8263
8264         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8265         (INCLUDES): ... this.
8266         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8267         (AM_CPPFLAGS): Renamed from ...
8268         (INCLUDE): ... this.
8269         * Makefile.in, testsuite/Makefile.in: Regenerate.
8270
8271         * Makefile.in: Regenerate.
8272         * aclocal.m4: Likewise.
8273         * config.in: Likewise.
8274         * configure: Likewise.
8275         * testsuite/Makefile.in: Likewise.
8276
8277         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8278         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8279         * Makefile.in: Regenerate.
8280         * testsuite/Makefile.in: Regenerate.
8281
8282 2009-08-19  Cary Coutant  <ccoutant@google.com>
8283
8284         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8285         symbols in shared libraries overridden by hidden or internal symbols
8286         in the main program.
8287
8288 2009-08-19  Chris Demetriou  <cgd@google.com>
8289
8290         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8291         checking source file names in error messages.
8292
8293 2009-08-18  Doug Kwan  <dougkwan@google.com>
8294
8295         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8296         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8297         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8298         an elfcpp::Ehdr as parameter.
8299         * object.cc (Object::set_target): Remove the version that looks up
8300         a target and sets it.
8301         (Sized_relobj::setup): Take a Target object instead of
8302         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8303         (make_elf_sized_object): Find target and ask target to
8304         make an ELF object.
8305         * object.h: (Object::set_target): Remove the version that looks up
8306         a target and sets it.
8307         (Sized_relobj::setup): Take a Target object instead of
8308         an elfcpp:Ehdr as parameter.
8309         * target.cc: Include dynobj.h.
8310         (Target::do_make_elf_object_implementation): New.
8311         (Target::do_make_elf_object): New.
8312         * target.h (Target::make_elf_object): New template declaration.
8313         (Target::do_make_elf_object): New method declarations.
8314         (Target::do_make_elf_object_implementation): New template declaration.
8315
8316 2009-08-14  Ian Lance Taylor  <iant@google.com>
8317
8318         * gold.h (FUNCTION_NAME): Define.
8319         (gold_unreachable): Use FUNCTION_NAME.
8320
8321 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8322
8323         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8324         symbol in the --keep-unique list is not found.
8325
8326 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8327
8328         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8329         been maked as --keep-unique.
8330         (Icf::unfold_section): New function.
8331         * icf.h (Icf::unfold_section): New function.
8332         * options.h (General_options::keep_unique): New option.
8333         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8334         * testsuite/Makefile.in: Regenerate.
8335         * testsuite/icf_keep_unique_test.sh: New file.
8336         * testsuite/icf_keep_unique_test.cc: New file.
8337
8338 2009-08-12  Cary Coutant  <ccoutant@google.com>
8339
8340         PR 10471
8341         * resolve.cc (Symbol_table::resolve): Check for references from
8342         dynamic objects to hidden and internal symbols.
8343         * testsuite/Makefile.am (hidden_test.sh): New test.
8344         * testsuite/Makefile.in: Regenerate.
8345         * testsuite/hidden_test.sh: New script.
8346         * testsuite/hidden_test_1.c: New test source.
8347         * testsuite/hidden_test_main.c: New test source.
8348
8349 2009-08-11  Doug Kwan  <dougkwan@google.com>
8350
8351         * arm.cc: Update comments.
8352         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8353         segment to locate the .ARM.exidx section if present.
8354
8355 2009-08-09  Doug Kwan  <dougkwan@google.com>
8356
8357         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8358         patch.
8359
8360 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8361         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8362         compiler warnings.
8363
8364 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8365
8366         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8367         valid tls_segment only for non-debug-section relocations.
8368         * testsuite/Makefile.am: Add gc_tls_test.
8369         * testsuite/Makefile.in: Regenerate.
8370         * testsuite/gc_tls_test.cc: New file.
8371         * testsuite/gc_tls_test.sh: New file.
8372
8373 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8374
8375         * icf.cc: New file.
8376         * icf.h: New file.
8377         * Makefile.am (CCFILES): Add icf.cc.
8378         (HFILES): Add icf.h
8379         * Makefile.in: Regenerate.
8380         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8381         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8382         section, symbol and addend information for the relocs.
8383         * gold.cc (queue_middle_tasks): Call identical code folding.
8384         * gold.h: Add defines for multimap.
8385         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8386         to the call of finalize_local_symbols.
8387         * main.cc (main): Create object of class Icf.
8388         * object.cc (Sized_relobj::do_layout): Allow this function to be
8389         called twice during icf.
8390         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8391         to sections marked as identical by icf.
8392         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8393         when available.
8394         (Sized_relobj::do_section_entsize): New function.
8395         * object.h (Object::section_entsize): New function.
8396         (Object::do_section_entsize): New pure virtual function.
8397         (Relobj::finalize_local_symbols): Add new parameter.
8398         (Relobj::do_section_entsize): New function.
8399         * options.h (General_options::icf): New option.
8400         (General_options::icf_iterations): New option.
8401         (General_options::print_icf_sections): New option.
8402         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8403         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8404         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8405         icf.
8406         * symtab.cc (Symbol_table::is_section_folded): New function.
8407         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8408         to sections marked as identical by icf.
8409         * symtab.h (Symbol_table::set_icf): New function.
8410         (Symbol_table::icf): New function.
8411         (Symbol_table::is_section_folded): New function.
8412         (Symbol_table::icf_): New data member.
8413         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8414         * testsuite/Makefile.am: Add commands to build icf_test.
8415         * testsuite/Makefile.in: Regenerate.
8416         * testsuite/icf_test.sh: New file.
8417         * testsuite/icf_test.cc: New file.
8418
8419 2009-07-24  Chris Demetriou  <cgd@google.com>
8420
8421         * layout.cc (is_compressible_debug_section): Fix incorrect
8422         comment about compressed section names.
8423
8424 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8425
8426         PR 10419
8427         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8428
8429 2009-07-16  Ian Lance Taylor  <iant@google.com>
8430
8431         PR 10400
8432         * layout.h: #include <map>.
8433         (class Kept_section): Change from struct to class.  Add accessors
8434         and setters.  Add section size to Comdat_group mapping.  Change
8435         Comdat_group to std::map.  Add is_comdat_ field.  Add
8436         linkonce_size field in union.
8437         (class Layout): Update declaration of find_or_add_kept_section.
8438         Don't declare find_kept_object.
8439         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8440         parameter.  Add object, shndx, is_comdat, and is_group_name
8441         parameters.  Change all callers.  Adjust for new Kept_section.
8442         (Layout::find_kept_object): Remove.
8443         * object.cc (Sized_relobj::include_section_group): Update use of
8444         Kept_section.  Rename secnum to shndx.  Only record
8445         Kept_comdat_section if sections are the same size.
8446         (Sized_relobj::include_linkonce_section): Update use of
8447         Kept_section.  Only record Kept_comdat_section if sections are the
8448         same size.  Set size of linkonce section.
8449         (Sized_relobj::map_to_kept_section): Update call to
8450         get_kept_comdat_section.
8451         * object.h (class Sized_relobj): Rename fields in
8452         Kept_comdat_section to drop trailing underscores; change object
8453         field to Relobj*.  Change Kept_comdat_section_table to store
8454         struct rather than pointer.
8455         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8456         Add kept_object and kept_shndx parameters.  Change all callers.
8457         (Sized_relobj::get_kept_comdat_section): Change return type to
8458         bool.  Add kept_object and kept_shndx parameters.  Change all
8459         callers.
8460         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8461         Layout::find_or_add_kept_section.
8462
8463 2009-07-09  Ian Lance Taylor  <iant@google.com>
8464
8465         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8466         Reserve space in the hash table.
8467
8468 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8469
8470         * fileread.cc (File_read::get_mtime): New method.
8471         * fileread.h (Timespec): New structure.
8472         (File_read::get_mtime): New method.
8473         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8474         Renamed from timestamp_nsec.
8475         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8476         Elf_Xword.
8477         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8478         timestamp_nsec.
8479         (Incremental_inputs::report_archive): Save mtime; style fix.
8480         (Incremental_inputs::report_obejct): Save mtime; style fix.
8481         (Incremental_inputs::report_script): Save mtime; style fix.
8482         (Incremental_inputs::finalize_inputs): Style fix.
8483         (Incremental_inputs::finalize): Style fix.
8484         (Incremental_inputs::create_input_section_data): Store inputs
8485         mtime.
8486         * incremental.h (Incremental_inputs::report_script): Add mtime
8487         argument.
8488         (Incremental_inputs::Input_info::Input_info): Intialize only one
8489         union member.
8490         (Incremental_inputs::Input_info::archive): Move to nameless
8491         union.
8492         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8493         (Incremental_inputs::Input_info::script): Move to nameless union.
8494         (Incremental_inputs::mtime): New field.
8495         * script.cc (read_input_script): Pass file mtime to
8496         Incremental_input.
8497         * script.h (Script_info::inputs): Style fix.
8498
8499 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8500
8501         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8502         instead of 32.
8503
8504 2009-06-24  Ian Lance Taylor  <iant@google.com>
8505
8506         PR 10156
8507         * layout.cc (Layout::choose_output_section): If we find an
8508         existing section, update the flags.
8509         (Layout::create_notes): New function, broken out of
8510         Layout::finalize.
8511         (Layout::finalize): Don't create note sections.
8512         (Layout::create_note): Don't crash if linker script discards
8513         section.
8514         (Layout::create_gold_note): Likewise.
8515         (Layout::create_build_id): Likewise.  Don't set
8516         after_input_sections on the section.
8517         (Layout::create_executable_stack_info): Remove target parameter.
8518         Change caller.
8519         * layout.h (class Layout): Declare create_notes.  Update
8520         declaration of create_executable_stack_info.
8521         * gold.cc (queue_middle_tasks): Call create_notes.
8522         * output.cc (Output_section::update_flags_for_input_section): Move
8523         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8524         invalid.
8525         * output.h (Output_data::mark_address_invalid): New function.
8526         (class Output_section): Only declare, not define,
8527         update_flags_for_input_section.  Remove set_flags.
8528
8529 2009-06-24  Ian Lance Taylor  <iant@google.com>
8530
8531         * script-sections.cc (Output_section_definition::
8532         set_section_addresses): Rename shadowing local load_address to
8533         laddr.
8534
8535 2009-06-24  Ian Lance Taylor  <iant@google.com>
8536
8537         PR 10244
8538         * reloc.cc (relocate_sections): Skip empty relocation sections.
8539
8540 2009-06-23  Ian Lance Taylor  <iant@google.com>
8541
8542         PR 10156
8543         * layout.cc (Layout::create_note): Use choose_output_section
8544         rather than make_output_section.
8545
8546 2009-06-23  Ian Lance Taylor  <iant@google.com>
8547
8548         PR 10237
8549         * options.cc (General_options::parse_V): Set printed_version_.
8550         (General_options::General_options): Initialize printed_version_.
8551         * options.h (class General_options): Add printed_version_ field.
8552         * gold.cc (queue_initial_tasks): If there are no input files,
8553         don't give a fatal error if we printed the version information.
8554         (queue_middle_tasks): If using -r with a shared object, give a
8555         fatal error rather than an ordinary error.
8556
8557 2009-06-23  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 10219
8560         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8561         (Layout::make_output_section): Set have_stabstr_section_ if we see
8562         a .stab*str section.
8563         (Layout::finalize): Call link_stabs_sections.
8564         (Layout::link_stabs_sections): New file.
8565         * layout.h (class Layout): Add have_stabstr_section_ field.
8566         Declare link_stabs_sections.
8567
8568 2009-06-23  Doug Kwan  <dougkwan@google.com>
8569
8570         * Makefile.am (libgold_a_LIBADD): New.
8571         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8572         * Makefile.in: Regenerate.
8573         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8574         * configure: Regenerate.
8575         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8576         * fileread.cc: Include sys/state.h
8577         * gold.h: Declare memmem and strndup if found missing.
8578         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8579
8580 2009-06-23  Ian Lance Taylor  <iant@google.com>
8581
8582         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8583         * configure: Rebuild.
8584
8585 2009-06-23  Ian Lance Taylor  <iant@google.com>
8586
8587         PR 10147
8588         * object.cc (Object::section_contents): Don't try to get a view if
8589         the section has length zero.
8590         (Object::handle_gnu_warning_section): If the section is empty, use
8591         the name of the section as the warning.
8592
8593 2009-06-23  Ian Lance Taylor  <iant@google.com>
8594
8595         PR 10133
8596         * stringpool.h (class Stringpool_template): Add optimize_ field.
8597         (Stringpool_template::set_optimize): New function.
8598         * stringpool.cc (Stringpool_template::Stringpool_template):
8599         Initialize optimize_ field.
8600         (Stringpool_template::set_string_offsets): Test local optimize
8601         fild rather than parameter.
8602         * layout.cc (Layout::Layout): Call set_optimize on the section
8603         name stringpool.
8604
8605 2009-06-22  Ian Lance Taylor  <iant@google.com>
8606
8607         PR 10030
8608         * yyscript.y: Parse TARGET.
8609         * script.cc (script_set_target): New function.
8610         * script-c.h (script_set_target): Declare.
8611         * options.cc (General_options::string_to_object_format): Rename
8612         from string_to_object_format in anonymous namespace.  Change
8613         callers.
8614         * options.h (class General_options): Declare
8615         string_to_object_format.
8616
8617 2009-06-22  Ian Lance Taylor  <iant@google.com>
8618
8619         * script-sections.cc (Script_sections::create_segments): Don't put
8620         program headers in a PT_LOAD segment if -n or -N.
8621
8622 2009-06-22  Ian Lance Taylor  <iant@google.com>
8623
8624         PR 10141
8625         * options.h (class General_options): Add -z lazy and -z now.  Sort
8626         -z options into alphabetical order.
8627         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8628
8629 2009-06-21  Ian Lance Taylor  <iant@google.com>
8630
8631         * layout.cc (Layout::make_output_section): Call
8632         Target::new_output_section.
8633         (Layout::attach_allocated_section_to_segment): Put large section
8634         sections in a separate load segment with the large segment flag
8635         set.
8636         (Layout::segment_precedes): Sort large data segments after other
8637         load segments.
8638         (align_file_offset): New static function.
8639         (Layout::set_segment_offsets): Use align_file_offset.
8640         * output.h (class Output_section): Add is_small_section_ and
8641         is_large_section_ fields.
8642         (Output_section::is_small_section): New function.
8643         (Output_section::set_is_small_section):  New function.
8644         (Output_section::is_large_section): New function.
8645         (Output_section::set_is_large_section): New function.
8646         (Output_section::is_large_data_section): New function.
8647         (class Output_segment): Add is_large_data_segment_ field.
8648         (Output_segment::is_large_data_segment): New function.
8649         (Output_segment::set_is_large_data_segment): New function.
8650         * output.cc (Output_section::Output_section): Initialize new
8651         fields.
8652         (Output_segment::Output_segment): Likewise.
8653         (Output_segment::add_output_section): Add assertion that large
8654         data sections always go in large data segments.  Force small data
8655         sections to the end of the list of data sections.  Force small BSS
8656         sections to the start of the list of BSS sections.  For large BSS
8657         sections to the end of the list of BSS sections.
8658         * symtab.h (class Symbol): Declare is_common_shndx.
8659         (Symbol::is_defined): Check Symbol::is_common_shndx.
8660         (Symbol::is_common): Likewise.
8661         (class Symbol_table): Define enum Commons_section_type.  Update
8662         declarations.  Add small_commons_ and large_commons_ fields.
8663         * symtab.cc (Symbol::is_common_shndx): New function.
8664         (Symbol_table::Symbol_table): Initialize new fields.
8665         (Symbol_table::add_from_object): Put small and large common
8666         symbols in the right list.
8667         (Symbol_table::sized_finalized_symbol): Check
8668         Symbol::is_common_shndx.
8669         (Symbol_table::sized_write_globals): Likewise.
8670         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8671         common symbol lists.  Don't call do_allocate_commons_list if the
8672         list is empty.
8673         (Symbol_table::do_allocate_commons_list): Remove is_tls
8674         parameter.  Add comons_section_type parameter.  Change all
8675         callers.  Handle small and large common symbols.
8676         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8677         Symbol::is_common_shndx.
8678         * resolve.cc (symbol_to_bits): Likewise.
8679         * target.h (Target::small_common_shndx): New function.
8680         (Target::small_common_section_flags): New function.
8681         (Target::large_common_shndx): New function.
8682         (Target::large_common_section_flags): New function.
8683         (Target::new_output_section): New function.
8684         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8685         small_common_section_flags, and large_common_section_flags
8686         fields.
8687         (Target::do_new_output_section): New virtual function.
8688         * arm.cc (Target_arm::arm_info): Initialize new fields.
8689         * i386.cc (Target_i386::i386_info): Likewise.
8690         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8691         Likewise.
8692         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8693         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8694         (Target_x86_64::do_new_output_section): New function.
8695         * configure.ac: Define conditional MCMODEL_MEDIUM.
8696         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8697         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8698         (large_LDFLAGS): Define.
8699         * testsuite/large.c: New file.
8700         * testsuite/testfile.cc (Target_test::test_target_info):
8701         Initialize new fields.
8702         * configure, testsuite/Makefile.in: Rebuild.
8703
8704 2009-06-05  Doug Kwan  <dougkwan@google.com>
8705
8706         * Makefile.am (CCFILES): Add target.cc.
8707         * Makefile.in: Regenerate.
8708         * i386.cc (class Target_i386): Define new virtual method to
8709         override do_is_local_label_name in parent.
8710         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8711         local symbols if --discard-locals or -X is given.
8712         * options.h (class General_options): Declare new options
8713         '--discard-locals' and '-X' for discarding locals.
8714         * target.h (class Target): Define new methods is_local_label_name.
8715         Declare new virtual method do_is_local_label_name.
8716         * target.cc: New file.
8717         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8718         (check_SCRIPTS): Add discard_locals_test.sh.
8719         (check_DATA): Add discard_local_tests.syms.
8720         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8721         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8722         * testsuite/Makefile.in: Regenerate.
8723         * testsuite/discard_locals_test.c: New file.
8724         * testsuite/discard_locals_test.sh: Same.
8725
8726 2009-06-05  Doug Kwan  <dougkwan@google.com>
8727
8728         * object.cc (Sized_relobj::Sized_relobj): Initialize
8729         discarded_eh_frame_shndx_ to -1U.
8730         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8731         section.
8732         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8733         a discarded .eh_frame section.
8734         (Sized_relobj::do_finalize_local_symbols): Ditto.
8735         * object.h (class Sized_relobj): Declare new member
8736         discarded_eh_frame_shndx_.
8737         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8738         (local_labels_test.o, local_labels_test): New rules.
8739         * testsuite/Makefile.in: Regenerate.
8740
8741 2009-06-04  Doug Kwan  <dougkwan@google.com>
8742
8743         * layout.cc (Layout::section_name_mapping): Add mapping for
8744         special ARM sections.
8745
8746 2009-06-03  Doug Kwan  <dougkwan@google.com>
8747
8748         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8749         (utils::has_overflow): Same.
8750
8751 2009-06-03  Ian Lance Taylor  <iant@google.com>
8752
8753         * layout.cc (Layout::section_name_mapping): New array, replacing
8754         Layout::linkonce_mapping.
8755         (Layout::section_name_mapping_count): New variable, replacing
8756         Layout::linkonce_mapping_count.
8757         (Layout::linkonce_output_name): Remove.
8758         (Layout::output_section_name): Rewrite.
8759         * layout.h (class Layout): Rename Linkonce_mapping to
8760         Section_name_mapping, linkonce_mapping to section_name_mapping,
8761         linkonce_mapping_count to section_name_mapping_count.  Don't
8762         declare linkonce_output_name.
8763
8764 2009-06-03  Doug Kwan  <dougkwan@google.com>
8765
8766         * gold/arm.cc (namespace utils): New.
8767         (Target_arm::reloc_is_non_pic): Define new method.
8768         (class Arm_relocate_functions): New.
8769         (Target_arm::Relocate::relocate): Handle relocation types used by
8770         Android.
8771
8772 2009-06-03  Ian Lance Taylor  <iant@google.com>
8773
8774         * arm.cc (Target_arm::scan::global): Use || instead of |.
8775
8776 2009-06-02  Doug Kwan  <dougkwan@google.com>
8777
8778         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8779         issued_non_pic_error_.
8780         (class Target_arm::Scan): Declare new method check_non_pic.
8781         Define new method symbol_needs_plt_entry.
8782         Declare new data member issued_non_pic_error_.
8783         (class Target_arm::Relocate): Declare new method
8784         should_apply_static_reloc.
8785         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8786         (Target_arm::Scan::check_non_pic): Define new method.
8787         (Target_arm::Scan::local): Handle a small subset of reloc types used
8788         by Android.
8789         (Target_arm::Scan::local): Same.
8790         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8791
8792 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8793
8794         * incremental.cc (Incremental_inputs::report_command_line): Filter
8795         out --incremental-* options.
8796
8797 2009-05-29  Doug Kwan  <dougkwan@google.com>
8798
8799         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8800         template class.
8801         (class Target_arm): Update comment.
8802         (Target_arm::Target_arm): Initialize new data members GOT_,
8803         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8804         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8805         and Target_arm::rel_dyn_section.
8806         Declare new_enum Target_arm::Got_type.
8807         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8808         and DYNBSS_.
8809         Update commments for member do_dynsym_value.
8810         (Target_arm::got_size, Target_arm::plt_section,
8811         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8812         new methods inside class defintion.
8813         (Target_arm::got_section): Define new method.
8814         (Target_arm::rel_dyn_section): Same.
8815         (Output_data_plt_arm): New template class.
8816         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8817         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8818         (Output_data_plt_arm::add_entry): Same.
8819         (Output_data_plt_arm::first_plt_entry): Define new
8820         static data member for PLT instruction template.
8821         (Output_data_plt_arm::plt_entry): Same.
8822         (Output_data_plt_arm::do_write): Define new method.
8823         (Target_arm::make_plt_entry): Same.
8824         (Target_arm::do_finalize_sections): Same.
8825         (Target_arm::do_dynsym_value): Same.
8826
8827 2009-05-28  Doug Kwan  <dougkwan@google.com>
8828
8829         * Makefile.am (TARGETSOURCES): Add arm.cc.
8830         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8831         * Makefile.in: Regenerate.
8832         * arm.cc: New file.
8833         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8834
8835 2009-05-26  Doug Kwan  <dougkwan@google.com>
8836
8837         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8838         (General_options::check_excluded_libs): Strip off directories in
8839         archive name before matching like GNU ld does.
8840         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8841         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8842         (exclude_libs_test_LDFLAGS): Add linker option
8843         -Wl,--exclude-libs,libexclude_libs_test_3
8844         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8845         an explicit archive without using -l.
8846         (alt/libexclude_libs_test_3.a): New make rule.
8847         * testsuite/Makefile.in: Regenerate.
8848         * testsuite/exclude_libs_test.c : Declare lib3_default().
8849         (main): Call it.
8850         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8851         * exclude_libs_test_3.c: New file.
8852
8853 2009-05-26  Nick Clifton  <nickc@redhat.com>
8854
8855         * po/id.po: New Indonesian translation.
8856         * po/gold.pot: Updated template file.
8857
8858 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8859
8860         * testsuite/Makefile.am: Add -ffunction-sections to compile
8861         gc_comdat_test files.  Add -Wl,--gc-sections to build
8862         gc_comdat_test.
8863         * testsuite/Makefile.in: Regenerate.
8864         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8865
8866 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8867
8868         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8869         kept comdat section was garbage collected.
8870         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8871         * testsuite/Makefile.in: Regenerate.
8872         * testsuite/gc_comdat_test.sh: New file.
8873         * testsuite/gc_comdat_test_1.cc: New file.
8874         * testsuite/gc_comdat_test_2.cc: New file.
8875
8876 2009-05-19  Doug Kwan  <dougkwan@google.com>
8877
8878         * archive.cc (Archive::Archive): Move constructor from archive.h
8879         to here.  Initialize no_export_.
8880         (Archive::get_elf_object_for_member): Set no_export flag of object.
8881         * archive.h (Archive::Archive): Move constructor body to
8882         archive.cc.
8883         (Archive::no_export): New method.
8884         (Archive::no_export_): New field.
8885         * object.h (Object::Object): Initialize no_export_ to false.
8886         (Object::no_export, Object::set_no_export): New methods.
8887         (Object::no_export_): New field.
8888         * options.cc (General_options::parse_exclude_libs): New method.
8889         (General_options::check_excluded_libs) Same.
8890         * options.h (exclude_libs): New option.
8891         (General_options::check_excluded_libs): New method declaration.
8892         (General_options::excluded_libs_): New field.
8893         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8894         default or protected visibility if an object has no-export flag set.
8895         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8896         (check_SCRIPTS): Add exclude_libs_test.sh.
8897         (check_DATA): Add exclude_libs_test.syms.
8898         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8899         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8900         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8901         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8902         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8903         libexclude_libs_test_2.a): New rules.
8904         * testsuite/Makefile.in: Regenerate.
8905         * testsuite/exclude_libs_test.c: New file.
8906         * testsuite/exclude_libs_test.sh: Ditto.
8907         * testsuite/exclude_libs_test_1.c: Ditto.
8908         * testsuite/exclude_libs_test_2.c: Ditto.
8909
8910 2009-05-15  Ian Lance Taylor  <iant@google.com>
8911
8912         * configure.ac: Check for declarations for cases where libiberty.h
8913         checks HAVE_DECL_xxx.
8914         * configure, config.in: Rebuild.
8915
8916 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8917
8918         * gold.h (Incremental_argument_list): Remove (invalid) forward
8919         declaration.
8920         * incremental.cc (Incremental_inputs::report_achive): New method.
8921         (Incremental_inputs::report_object): New method.
8922         (Incremental_inputs::report_script): New method.
8923         (Incremental_inputs::finalize_inputs): New method.
8924         (Incremental_inputs::finalize): Call finalize_inputs().
8925         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8926         Create inputs entries.
8927         * incremental.h (Incremental_input_type): New enum.
8928         (Incremental_inputs::Incremental_input): Initialize new fields.
8929         (Incremental_inputs::report_inputs): New method.
8930         (Incremental_inputs::report_achive): New method.
8931         (Incremental_inputs::report_object): New method.
8932         (Incremental_inputs::report_script): New method.
8933         (Incremental_inputs::finalize_inputs): New method.
8934         (Incremental_inputs::Input_info): New struct.
8935         (Incremental_inputs::Input_info_map): New typedef.
8936         (Incremental_inputs::lock_): New field.
8937         (Incremental_inputs::Inputs_): New field.
8938         (Incremental_inputs::Inputs_map): New field.
8939         * main.cc (main): Call Incremental_input::report_inputs.
8940         * options.h (Input_argument_list): Typedef moved from
8941         Input_arguments.
8942         (Input_file_group::Files): Remove, use ::Input_argument_list.
8943         (Input_file_group::Input_argument_list): Remove, use
8944         ::Input_argument_list.
8945         * plugin.cc (Plugin_manager::add_input_file): Add error in
8946         incremental build.
8947         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8948         functions.
8949         * script.cc (read_input_script): Call
8950         Incremental_input::report_script.
8951         * script.h (Script_info): New class.
8952
8953 2009-04-27  Ian Lance Taylor  <iant@google.com>
8954
8955         * x86_64.cc (do_adjust_output_section): Set entsize to
8956         plt_entry_size.
8957
8958 2009-04-23  Elliott Hughes  <enh@google.com>
8959
8960         * output.cc (Output_file::close): After short writes, continue
8961         writing from the correct offset in the buffer being written.
8962
8963 2009-04-23  Chris Demetriou  <cgd@google.com>
8964
8965         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8966         * configure: Regenerate.
8967         * config.in: Regenerate.
8968         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8969         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8970
8971 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8972
8973         * incremental.cc (Incremental_inputs_header_data): Renamed from
8974         Incremental_input_header_data.
8975         (Incremental_inputs_header_data::data_size): New field.
8976         (Incremental_inputs_header_data::put_input_file_count): Renamed
8977         from input_file_count.
8978         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8979         from command_line_offset.
8980         (Incremental_inputs_header_data::put_reserved): Renamed from
8981         put_reserved.
8982         (Incremental_inputs_entry_data): Renamed from
8983         Incremental_input_entry_data.
8984         (Incremental_inputs_entry_data::data_size): New field.
8985         (Incremental_inputs::report_command_line): New method.
8986         (Incremental_inputs::finalize): New method.
8987         (Incremental_inputs::create_incremental_inputs_data): New method.
8988         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8989         * incremental.h: New file.
8990         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8991        (Layout::finalize): Create incremental inputs section in
8992         incremental builds.
8993        (Layout::create_incremental_info_sections): New method.
8994         * layout.h (Layout::incremental_inputs): New method.
8995        (Layout::create_incremental_info_sections): New method.
8996        (Layout::incremental_inputs_): New field.
8997         * main.cc (main): Notify Incremental_input of the command line.
8998
8999 2009-04-01  Ian Lance Taylor  <iant@google.com>
9000             Mikolaj Zalewski  <mikolajz@google.com>
9001
9002         * gold.h (reserve_unordered_map): Define, three versions, one for
9003         each version of Unordered_map.
9004         * layout.cc (Layout::Layout): Remove options parameter.  Add
9005         number_of_input_files parameter.  Don't initialize options_.
9006         Initialize number_of_input_files_ and resized_signatures_.  Move
9007         sections_are_attached_.
9008         (Layout::layout_group): Reserve space for group_signatures_.
9009         (Layout::find_or_add_kept_section): Change name parameter to be a
9010         reference.  Resize signatures_ map when it gets large enough.
9011         (Layout::layout_eh_frame): Use parameters->options() instead of
9012         this->options_.
9013         (Layout::make_output_section): Likewise.
9014         (Layout::attach_allocated_section_to_segment): Likewise.
9015         (Layout::finalize, Layout::create_executable_stack): Likewise.
9016         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9017         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9018         * layout.h (class Layout): Update declarations.  Remove options_
9019         field.  Add number_of_input_files_ and resized_signatures_
9020         fields.  Move sections_are_attached_ field.
9021         * main.cc (main): Pass number of input files to Layout
9022         constructor.  Don't pass options.
9023
9024 2009-03-30  Ian Lance Taylor  <iant@google.com>
9025
9026         * ffsll.c (ffsll): Correct implementation.
9027
9028 2009-03-27  Ian Lance Taylor  <iant@google.com>
9029
9030         * ffsll.c: New file.
9031         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9032         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9033         * ftruncate.c (ftruncate): Declare before definition.
9034         * mremap.c (mremap): Likewise.
9035         * pread.c (pread): Likewise.
9036         * configure, Makefile.in, config.in: Rebuild.
9037
9038         * mremap.c: New file.
9039         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9040         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9041         (mremap): Declare if HAVE_MREMAP is not defined.
9042         * configure, Makefile.in, config.in: Rebuild.
9043
9044 2009-03-27  Cary Coutant  <ccoutant@google.com>
9045
9046         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9047         position independent.
9048         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9049         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9050
9051 2009-03-24  Cary Coutant  <ccoutant@google.com>
9052
9053         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9054         an executable.
9055         (needs_dynamic_reloc): Likewise.
9056
9057 2009-03-24  Ian Lance Taylor  <iant@google.com>
9058
9059         * yyscript.y (file_cmd): Recognize EXTERN.
9060         (extern_name_list, extern_name_list_body): New nonterminals.
9061         * script.cc (script_add_extern): Define.
9062         * script-c.h (script_add_extern): Declare.
9063
9064 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9065
9066         * object.cc (is_elf_object): Define.
9067         * object.h (is_elf_object): Declare.
9068         * archive.cc (Archive::get_elf_object_for_member): Call
9069         is_elf_object.
9070         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9071
9072 2009-03-24  Elliott Hughes  <enh@google.com>
9073
9074         * output.cc (Output_file::map_anonymous): Define.
9075         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9076         try an anonymous one.  Report the size if the mmap fails.
9077         * output.h (class Output_file): Declare map_anonymous.
9078
9079 2009-03-24  Ian Lance Taylor  <iant@google.com>
9080
9081         * target-select.cc (instantiate_target): Don't acquire the lock if
9082         the instantiated_target_ field has already been set.
9083
9084 2009-03-23  Ian Lance Taylor  <iant@google.com>
9085
9086         * gold-threads.h (class Initialize_lock): Define.
9087         * gold-threads.cc (class Initialize_lock_once): Define.
9088         (initialize_lock_control): New static variable.
9089         (initialize_lock_pointer): New static variable.
9090         (initialize_lock_once): New static function.
9091         (Initialize_lock::Initialize_lock): Define.
9092         (Initialize_lock::initialize): Define.
9093         * target-select.h: Include "gold-threads.h".
9094         (class Target_selector): Add lock_ and initialize_lock_ fields.
9095         Don't define instantiate_target, just declare it.
9096         * target-select.cc (Target_selector::Target_selector): Initialize
9097         new fields.
9098         (Target_selector::instantiate_target): Define.
9099         * descriptors.h: Include "gold-threads.h".
9100         (class Descriptors): Add initialize_lock_ field.
9101         * descriptors.cc (Descriptors::Descriptors): Initialize new
9102         field.
9103         (Descriptors::open): Use initialize_lock_ field
9104         * errors.h (class Errors): Add initialize_lock_ field.
9105         * errors.cc (Errors::Errors): Initialize new field.
9106         (Errors::initialize_lock): Use initialize_lock_ field.
9107         * powerpc.cc (class Target_selector_powerpc): Remove
9108         instantiated_target_ field.  In do_recognize call
9109         instantiate_target rather than do_instantiate_target.  In
9110         do_instantiate_target just allocate a new target.
9111         * sparc.cc (class Target_selector_sparc): Likewise.
9112
9113         * freebsd.h: New file.
9114         * i386.cc: Include "freebsd.h".
9115         (Target_i386): Derive from Target_freebsd rather than
9116         Sized_target.
9117         (Target_selector_i386): Derive from Target_selector_freebsd rather
9118         than Target_selector.
9119         * x86_64.cc: Include "freebsd.h".
9120         (Target_x86_64): Derive from Target_freebsd rather than
9121         Sized_target.
9122         (Target_selector_x86_64): Derive from Target_selector_freebsd
9123         rather than Target_selector.
9124         * target.h (class Target): Add adjust_elf_header and
9125         do_adjust_elf_header.
9126         * output.cc (Output_file_header:: do_sized_write): Call target
9127         adjust_elf_header routine.
9128         * configure.tgt: Set targ_osabi.
9129         * configure.ac: Define GOLD_DEFAULT_OSABI.
9130         * parameters.cc (Parameters::default_target): Pass
9131         GOLD_DEFAULT_OSABI to select_target.
9132         * target-select.h (class Target_selector): Make instantiate_target
9133         protected rather than private.
9134         * Makefile.am (HFILES): Add freebsd.h.
9135         * configure, Makefile.in, config.in: Rebuild.
9136
9137         * merge.cc (do_add_input_section): Correct pend value.  Change
9138         message about last entry not being null terminated from error to
9139         warning.
9140
9141 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9142
9143         * incremental.cc: New file.
9144         * Makefile.am (CCFILES): Add incremental.cc.
9145         * Makefile.in: Rebuild.
9146
9147 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9148
9149         * layout.cc (Layout::output_section_name): Preserve names
9150         of '.note.' sections.
9151
9152 2009-03-19  Ian Lance Taylor  <iant@google.com>
9153
9154         * descriptors.cc (Descriptors::open): Check that the options are
9155         valid before using them.
9156
9157 2009-03-18  Ian Lance Taylor  <iant@google.com>
9158
9159         * script-sections.h: Include <list>.
9160         (class Script_sections): Change Sections_elements from std::vector
9161         to std::list.  Typedef public Elements_iterator.  Add
9162         orphan_section_placement_, data_segment_align_start_, and
9163         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9164         field.
9165         * script-sections.cc (class Orphan_section_placement): New class.
9166         (class Sections_element): Add virtual functions is_relro and
9167         orphan_section_init.  Remove virtual function place_orphan_here.
9168         (class Output_section_definition): Add is_relro and
9169         orphan_section_init.  Remove place_orphan_here.
9170         (class Orphan_output_section): Likewise.
9171         (Script_sections::Script_sections): Update for field changes.
9172         (Script_sections::data_segment_align): Set saw_data_segment_align_
9173         and data_segment_align_start_, not data_segment_align_index.
9174         (Script_sections::data_segment_relro_end): Check
9175         saw_data_segment_align_.  Use data_segment_align_start_ rather
9176         than data_segment_align_index_.
9177         (Script_sections::place_orphan): Rewrite to use
9178         Orphan_section_placement.
9179
9180 2009-03-17  Ian Lance Taylor  <iant@google.com>
9181
9182         * archive.cc (Archive::add_symbols): Check for a version attached
9183         to the symbol name in the archive map.
9184         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9185         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9186         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9187         (ver_test_11.a): New target.
9188         * testsuite/Makefile.in: Rebuild.
9189
9190         * configure.ac: Check for chsize and posix_fallocate.  Replace
9191         ftruncate.
9192         * ftruncate.c: New file, from gnulib.
9193         * output.cc (posix_fallocate): Define dummy version if not
9194         HAVE_POSIX_FALLOCATE.
9195         (Output_file::map): Call posix_fallocate rather than lseek and
9196         write.
9197         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9198         * configure, Makefile.in, config.in: Rebuild.
9199
9200 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9201
9202         * layout.h (Layout::create_note): Add section_name parameter.
9203         * layout.cc (Layout::create_note): Likewise.
9204         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9205
9206 2009-03-17  Ian Lance Taylor  <iant@google.com>
9207
9208         * descriptors.cc: Include "options.h".
9209         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9210         (Descriptors::open): Always use O_CLOEXEC when opening a new
9211         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9212         then set FD_CLOEXEC.
9213
9214         * sparc.cc (class Target_sparc): Add has_got_section.
9215         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9216         make sure we have a GOT section.
9217
9218         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9219         (Target_sparc::Scan::local): Likewise.
9220         (Target_sparc::Scan::global): Likewise.
9221         (Target_sparc::Relocate::relocate): Likewise.
9222         (Target_sparc::Relocate::relocate_tls): Likewise.
9223
9224         * symtab.cc (Symbol_table::define_default_version): New function,
9225         broken out of add_from_object.
9226         (Symbol_table::add_from_object): Call define_default_version.
9227         (Symbol_table::define_special_symbol): Add resolve_oldsym
9228         parameter.  Change all callers.  If the version for a symbol comes
9229         from a version script, resolve it with the symbol with the same
9230         name with no version.  Also add the symbol without a version if
9231         appropriate.
9232         (do_define_in_output_data): If resolving with oldsym, don't delete
9233         sym.
9234         (do_define_in_output_segment): Likewise.
9235         (do_define_as_constant): Likewise.
9236         * symtab.h (class Symbol_table): Update declarations.
9237
9238 2009-03-13  Ian Lance Taylor  <iant@google.com>
9239
9240         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9241         (Read_symbols::requeue): New function.
9242         (Read_symbols::do_read_symbols): If make_elf_object fails because
9243         the target type is not configured, and the file was searched for,
9244         issue a warning and retry with the next directory.
9245         (Add_symbols::run): If the file has an incompatible format, and
9246         it was searched for, requeue the Read_symbols task.  On error,
9247         release the object.
9248         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9249         dirindex parameter to constructor.  Change all callers.  Declare
9250         incompatible_warning and requeue.
9251         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9252         input_argument_ and input_group_ fields.  Add them to
9253         constructor.  Change all callers.
9254         (class Read_script): Add dirindex_ field.  Add it to constructor.
9255         Change all callers.
9256         * archive.cc (Archive::setup): Remove input_objects parameter.
9257         Change all callers.
9258         (Archive::get_file_and_offset): Likewise.
9259         (Archive::read_all_symbols): Likewise.
9260         (Archive::read_symbols): Likewise.
9261         (Archive::get_elf_object_for_member): Remove input_objects
9262         parameter.  Add punconfigured parameter.  Change all callers.
9263         (Archive::add_symbols): Change return type to bool.  Check return
9264         value of include_member.
9265         (Archive::include_all_members): Likewise.
9266         (Archive::include_member): Change return type to bool.  Return
9267         false if first included object has incompatible target.  Set
9268         included_member_ field.
9269         (Add_archive_symbols::run): If add_symbols returns false, requeue
9270         Read_symbols task.
9271         * archive.h (class Archive): Add included_member_ field.
9272         Initialize it in constructor.  Add input_file and searched_for
9273         methods.  Update declarations.
9274         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9275         input_argument_ fields.  Add them to constructor.  Change all
9276         callers.
9277         * script.cc: Include "target-select.h".
9278         (class Parser_closure): Add skip_on_incompatible_target_ and
9279         found_incompatible_target_ fields.  Add
9280         skip_on_incompatible_target parameter to constructor.  Change all
9281         callers.  Add methods skip_on_incompatible_target,
9282         clear_skip_on_incompatible_target, found_incompatible_target, and
9283         set_found_incompatible_target.
9284         (read_input_script): Add dirindex parameter.  Change all callers.
9285         If parser finds an incompatible target, requeue Read_symbols
9286         task.
9287         (script_set_symbol): Clear skip_on_incompatible_target in
9288         closure.
9289         (script_add_assertion, script_parse_option): Likewise.
9290         (script_start_sections, script_add_phdr): Likewise.
9291         (script_check_output_format): New function.
9292         * script.h (read_input_script): Update declaration.
9293         * script-c.h (script_check_output_format): Declare.
9294         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9295         (ignore_cmd): Remove OUTPUT_FORMAT.
9296         * fileread.cc (Input_file::Input_file): Add explicit this.
9297         (Input_file::will_search_for): New function.
9298         (Input_file::open): Add pindex parameter.  Change all callers.
9299         * fileread.h (class Input_file): Add input_file_argument method.
9300         Declare will_search_for.  Update declarations.
9301         * object.cc (make_elf_object): Add punconfigured parameter.
9302         Change all callers.
9303         * object.h (class Object): Make input_file public.  Add
9304         searched_for method.
9305         (make_elf_object): Update declaration.
9306         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9307         restart search.
9308         * dirsearch.h (class Dirsearch): Update declaration.
9309         * options.h (class General_options): Add --warn-search-mismatch.
9310         * parameters.cc (Parameters::is_compatible_target): New function.
9311         * parameters.h (class Parameters): Declare is_compatible_target.
9312         * workqueue.cc (Workqueue::add_blocker): New function.
9313         * workqueue.h (class Workqueue): Declare add_blocker.
9314
9315         * fileread.cc (Input_file::open): Remove options parameter.
9316         Change all callers.
9317         (Input_file::open_binary): Likewise.
9318         * script.cc (read_input_script): Likewise.
9319         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9320         options parameter from constructor.  Change all callers.
9321         (class Read_script): Likewise.
9322         * fileread.h (class Input_file): Update declarations.
9323         * script.h (read_input_script): Update declaration.
9324
9325 2009-03-10  Nick Clifton  <nickc@redhat.com>
9326
9327         * po/es.po: New Spanish translation.
9328
9329 2009-03-06  Cary Coutant  <ccoutant@google.com>
9330
9331         * options.cc (parse_short_option): Keep dash_z from registering itself.
9332
9333 2009-03-03  Ian Lance Taylor  <iant@google.com>
9334
9335         PR 9918
9336         * target-reloc.h (relocate_section): Pass output_section to
9337         relocate.
9338         * i386.cc (Target_i386::should_apply_static_reloc): Add
9339         output_section parameter.  Change all callers.
9340         (Target_i386::Relocate::relocate): Add output_section parameter.
9341         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9342         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9343         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9344         * testsuite/two_file_shared.sh: New script.
9345         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9346         (check_DATA): Add two_file_shared.dbg.
9347         (two_file_shared.dbg): New target.
9348         * testsuite/Makefile.in: Rebuild.
9349
9350 2009-03-01  Ian Lance Taylor  <iant@google.com>
9351
9352         * configure.ac: Check for byteswap.h.
9353         * configure: Rebuild.
9354         * config.in: Rebuild.
9355
9356 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9357
9358         * layout.cc (Layout::find_or_add_kept_section): New function.
9359         (Layout::add_comdat): Removed.
9360         * layout.h (struct Kept_section): Move out of class Layout.
9361         Remove trailing underscores from field names.  Add group_sections
9362         field.  Rename group_ field to is_group.  Change all uses.
9363         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9364         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9365         comdat_groups_ field.
9366         (Sized_relobj::include_section_group): Use
9367         find_or_add_kept_section and Kept_section::group_sections.
9368         (Sized_relobj::include_linkonce_section): Likewise.
9369         * object.cc (class Sized_relobj): Don't define Comdat_group or
9370         Comdat_group_table.  Remove find_comdat_group and
9371         add_comdat_group.  Remove comdat_groups_ field.
9372         * plugin.cc (include_comdat_group): Use
9373         Layout::find_or_add_kept_section.
9374
9375 2009-02-28  Ian Lance Taylor  <iant@google.com>
9376
9377         * README: --gc-sections and map files are now supported.  Document
9378         some build requirements.
9379
9380         PR 6992
9381         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9382         relocatable link set the value of the section symbol to zero.
9383         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9384         relocatable link don't include the section address in the local
9385         symbol value.
9386
9387 2009-02-27  Ian Lance Taylor  <iant@google.com>
9388
9389         PR 6811
9390         * options.h (class Search_directory): Add is_system_directory.
9391         (class General_options): Declare is_in_system_directory.
9392         * options.cc (get_relative_sysroot): Make static.
9393         (get_default_sysroot): Make static.
9394         (General_optoins::is_in_system_directory): New function.
9395         * fileread.cc (Input_file::is_in_system_directory): New function.
9396         * fileread.h (class Input_file): Declare is_in_system_directory.
9397         * object.h (class Object): Add is_in_system_directory.
9398         (class Input_objects): Remove system_library_directory_ field.
9399         * object.cc (Input_objects::add_object): Don't set
9400         system_library_directory_.
9401         (input_objects::found_in_system_library_directory): Remove.
9402         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9403         parameter.  Change all callers.
9404         (Symbol_table::sized_write_globals): Likewise.
9405         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9406         Call Object::is_in_system_directory.
9407         * symtab.h (class Symbol_table): Update declarations.
9408
9409         PR 5990
9410         * descriptors.h (Open_descriptor): Add is_on_stack field.
9411         * descriptors.cc (Descriptors::open): If the descriptor is on the
9412         top of the stack, remove it.  Initialize is_on_stack field.
9413         (Descriptors::release): Only add pod to stack if it is not on the
9414         stack already.
9415         (Descriptors::close_some_descriptor): Clear stack_next and
9416         is_on_stack fields.
9417
9418         PR 7091
9419         * output.cc (Output_section::find_starting_output_address): Rename
9420         from starting_output_address; add PADDR parameter; change return
9421         type.
9422         * output.h (class Output_section): Declare
9423         find_starting_output_address instead of starting_output_address.
9424         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9425         section symbol for which we can't find a merge section.
9426
9427         PR 9836
9428         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9429         hidden or internal, force the symbol to be local.
9430         * resolve.cc (Symbol::override_visibility): Define.
9431         (Symbol::override_base): Use override_visibility.
9432         (Symbol_table::resolve): Likewise.
9433         (Symbol::override_base_with_special): Likewise.
9434         (Symbol_table::override_with_special): If the visibility is hidden
9435         or internal, force the symbol to be local.
9436         * symtab.h (class Symbol): Add set_visibility and
9437         override_visibility.
9438         * testsuite/ver_test_1.sh: New file.
9439         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9440         (check_DATA): Add ver_test_1.syms.
9441         (ver_test_1.syms): New target.
9442         * testsuite/Makefile.in: Rebuild.
9443
9444 2009-02-25  Cary Coutant  <ccoutant@google.com>
9445
9446         * layout.cc (Layout::choose_output_section): Don't rename sections
9447         when using a linker script that has a SECTIONS clause.
9448         * Makefile.in: Regenerate.
9449
9450         * testsuite/Makefile.am (script_test_5.sh): New test case.
9451         * testsuite/Makefile.in: Regenerate.
9452         * testsuite/script_test_5.cc: New file.
9453         * testsuite/script_test_5.sh: New file.
9454         * testsuite/script_test_5.t: New file.
9455
9456 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9457
9458         * archive.cc (Archive::include_member): Update calls to add_symbols.
9459         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9460         the Layout argument.
9461         * dynobj.h (do_add_symbols): Add the Layout argument.
9462         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9463         Layout argument.
9464         * object.h (Object::add_symbols): Add the Layout argument.
9465         (Object::do_add_symbols): Add the Layout argument.
9466         (Sized_relobj::do_add_symbols): Add the Layout argument.
9467         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9468         Unify the two versions.
9469         (Add_plugin_symbols): Remove.
9470         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9471         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9472         (Add_plugin_symbols): Remove.
9473         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9474         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9475         (Add_symbols::run): Make it work with Pulginobj.
9476
9477 2009-02-06  Ian Lance Taylor  <iant@google.com>
9478
9479         * object.cc (Sized_relobj::do_layout): Make info message start
9480         with lower case letter.
9481
9482 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9483
9484         * binary.cc: Fix file comment.
9485
9486         * options.h (enum Incremental_disposition): Define.
9487         (class General_options): Add new options: --incremental,
9488         --incremental_changed, --incremental_unchanged,
9489         --incremental_unknown.  Add incremental_disposition_ and
9490         implicit_incremental_ fields.
9491         (General_options::incremental_disposition): New function.
9492         (class Position_dependent_options): Add incremental_disposition
9493         option.
9494         (Position_dependent_options::copy_from_options): Set incremental
9495         dispositions.
9496         * options.cc (General_options::parse_incremental_changed): New
9497         function.
9498         (General_options::parse_incremental_unchanged): New function.
9499         (General_options::parse_incremental_unknown): New function.
9500         (General_options::General_options): Initialize new fields
9501         incremental_disposition_ and implicit_incremental_.
9502         (General_options::finalize): Check for uasge of --incremental-*
9503         without --incremental.
9504
9505 2009-02-06  Chris Demetriou  <cgd@google.com>
9506
9507         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9508         pointer and to report location as the file name associated with
9509         the symbol.
9510         (gold_undefined_symbol_at_location): New function to replace the
9511         old gold_undefined_symbol functionality.
9512         * target-reloc.h (relocate_section): Update to use
9513         gold_undefined_symbol_at_location.
9514         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9515         Call gold_undefined_symbol function rather than gold_error.
9516         * errors.h (Errors::undefined_symbol): Take location as a
9517         string, rather than calculating it from a relocation.
9518         * errors.cc (Errors::fatal): Print "fatal error:" before the
9519         formatted message.
9520         (Errors::error, Errors::error_at_location): Print "error: "
9521         before the formatted message.
9522         (Errors::undefined_symbol): Take location as a string, rather
9523         than calculating it from a relocation.
9524         (gold_undefined_symbol_at_location): New function akin to
9525         old gold_undefined_symbol, calculates location from relocation.
9526         (gold_undefined_symbol): Change to take only a Symbol pointer
9527         and to report location as the file name associated with the symbol.
9528         * testsuite/debug_msg.sh: Update for changed error messages.
9529         * testsuite/undef_symbol.sh: Likewise.
9530
9531 2009-02-04  Duncan Sands  <baldrick@free.fr>
9532
9533         PR 9812
9534         * reduced_debug_output.h
9535         (Output_reduced_debug_abbrev_section::failed): Use format for
9536         gold_warning.
9537         (Output_reduced_debug_info_section::faild): Likewise.
9538
9539 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9540
9541         * script.cc (Lazy_demangler): New class.
9542         (Version_script_info::get_symbol_version_helper): Demangle a
9543         symbol only once.
9544
9545 2009-01-29  Cary Coutant  <ccoutant@google.com>
9546
9547         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9548         to __tls_get_addr.
9549         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9550
9551 2009-01-28  Ian Lance Taylor  <iant@google.com>
9552
9553         * version.cc (version_string): Bump to 1.9.
9554
9555         * gold.h: Include <cstring> and <stdint.h>.
9556         * version.cc: Include <cstdio>.
9557         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9558         warning.
9559         * reduced_debug_output.cc (insert_into_vector): Rename from
9560         Insert_into_vector; change all callers.  Use Swap_unaligned to
9561         avoid aliasing issue; remove union since it is unnecessary.
9562
9563 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9564
9565         * Makefile.am (CCFILES): Add gc.cc.
9566         (HFILES): Add gc.h.
9567         * Makefile.in: Regenerate.
9568         * gold.cc (Gc_runner): New class.
9569         (queue_initial_tasks): Call garbage collection related tasks
9570         when corresponding options are invoked.
9571         (queue_middle_gc_tasks): New function.
9572         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9573         processed early before laying out sections during garbage collection.
9574         * gold.h (queue_middle_gc_tasks): New function.
9575         (is_prefix_of): Move from "layout.cc".
9576         * i386.cc (Target_i386::gc_process_relocs): New function.
9577         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9578         * main.cc (main): Create object of class "Garbage_collection".
9579         * object.cc (Relobj::copy_symbols_data): New function.
9580         (Relobj::is_section_name_included): New function.
9581         (Sized_relobj::do_layout): Allow this function to be called twice
9582         during garbage collection and defer layout of section during the
9583         first call.
9584         * object.h (Relobj::get_symbols_data): New function.
9585         (Relobj::is_section_name_included): New function.
9586         (Relobj::copy_symbols_data): New function.
9587         (Relobj::set_symbols_data): New function.
9588         (Relobj::get_relocs_data): New function.
9589         (Relobj::set_relocs_data): New function.
9590         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9591         (Relobj::gc_process_relocs): New function.
9592         (Relobj::do_gc_process_relocs): New pure virtual function.
9593         (Relobj::sd_): New data member.
9594         (Sized_relobj::is_output_section_offset_invalid): New function.
9595         (Sized_relobj::do_gc_process_relocs): New function.
9596         * options.h (General_options::gc_sections): Modify to not be a no-op.
9597         (General_options::print_gc_sections): New option.
9598         * plugin.cc (Plugin_finish::run): Remove function call to
9599         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9600         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9601         * reloc.cc (Read_relocs::run): Add task to process relocs and
9602         determine unreferenced sections when doing garbage collection.
9603         (Gc_process_relocs): New class.
9604         (Sized_relobj::do_gc_process_relocs): New function.
9605         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9606         sections that are garbage collected.
9607         * reloc.h (Gc_process_relocs): New class.
9608         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9609         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9610         symbols whose corresponding sections are garbage collected.
9611         (Symbol_table::Symbol_table): Add new parameter for the garbage
9612         collection object.
9613         (Symbol_table::gc_mark_undef_symbols): New function.
9614         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9615         (Symbol_table::gc_mark_dyn_syms): New function.
9616         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9617         as garbage.
9618         (Symbol_table::add_from_object): Likewise.
9619         (Symbol_table::add_from_relobj): When building shared objects, do not
9620         treat externally visible symbols as garbage.
9621         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9622         table information for static and relocatable links.
9623         * symtab.h (Symbol_table::set_gc): New function.
9624         (Symbol_table::gc): New function.
9625         (Symbol_table::gc_mark_undef_symbols): New function.
9626         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9627         (Symbol_table::gc_mark_dyn_syms): New function.
9628         (Symbol_table::gc_): New data member.
9629         * target.h (Sized_target::gc_process_relocs): New pure virtual
9630         function.
9631         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9632         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9633
9634 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9635
9636         * options.h (General_options::gc_sections): Define as a no-op for now.
9637         (General_options::no_keep_memory): Ditto.
9638         (General_options::Bshareable): Define.
9639         * options.cc (General_options::finalize): Honor -Bshareable.
9640
9641 2009-01-20  Andreas Schwab  <schwab@suse.de>
9642
9643         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9644         read the value in the contents, since we don't use it.  Use the
9645         template endianness when writing.
9646         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9647
9648 2009-01-19  Andreas Schwab  <schwab@suse.de>
9649
9650         * configure.tgt (powerpc64-*): Fix targ_obj.
9651
9652 2009-01-15  Ian Lance Taylor  <iant@google.com>
9653
9654         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9655         local symbols when stripping all symbols.
9656
9657 2009-01-14  Cary Coutant  <ccoutant@google.com>
9658
9659         * output.cc (Output_reloc): Add explicit instantiations.
9660
9661 2009-01-14  Cary Coutant  <ccoutant@google.com>
9662
9663         * archive.cc (Archive::get_elf_object_for_member): Remove call
9664         to File_read::claim_for_plugin.
9665         * descriptors.cc (Descriptors::open): Remove reference to
9666         is_claimed.
9667         (Descriptors::claim_for_plugin): Remove.
9668         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9669         (Descriptors::is_claimed): Remove.
9670         (claim_descriptor_for_plugin): Remove.
9671         * fileread.cc (File_read::claim_for_plugin): Remove.
9672         * fileread.h (File_read::claim_for_plugin): Remove.
9673         (File_read::descriptor): Reopen descriptor if necessary.
9674         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9675         (Plugin_manager::all_symbols_read): Add task parameter. Change
9676         all callers.
9677         (Plugin_manager::get_input_file): New function.
9678         (Plugin_manager::release_input_file): New function.
9679         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9680         corresponding data member.
9681         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9682         and pass to base constructor. Change all callers.
9683         (get_input_file, release_input_file): New functions.
9684         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9685         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9686         (Plugin_manager::all_symbols_read): Add task parameter.
9687         (Plugin_manager::get_input_file): New function.
9688         (Plugin_manager::release_input_file): New function.
9689         (Plugin_manager::task_): New data member.
9690         (Pluginobj::Pluginobj): Add filesize parameter.
9691         (Pluginobj::filename): New function.
9692         (Pluginobj::descriptor): New function.
9693         (Pluginobj::filesize): New function.
9694         (Pluginobj::filesize_): New data member.
9695         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9696         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9697         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9698
9699         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9700         with archive libraries.
9701         * testsuite/Makefile.in: Regenerate.
9702         * testsuite/plugin_test.c (struct sym_info): New type.
9703         (get_input_file, release_input_file): New static variables.
9704         (onload): Capture new transfer vector entries.
9705         (claim_file_hook): Stop reading at end of file according to filesize.
9706         Factor out parsing of readelf output into separate function.
9707         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9708         APIs and get the source file name from the symbol table.  Convert
9709         source file name to corresponding object file name.  Print info
9710         message when adding new input files.
9711         (parse_readelf_line): New function.
9712         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9713         * testsuite/plugin_test_2.sh: Likewise.
9714         * testsuite/plugin_test_3.sh: Likewise.
9715         * testsuite/plugin_test_4.sh: New test case.
9716
9717 2009-01-07  Ian Lance Taylor  <iant@google.com>
9718
9719         * version.cc (version_string): Bump to 1.8.
9720
9721 2008-12-23  Cary Coutant  <ccoutant@google.com>
9722
9723         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9724         * plugin.cc (Plugin_manager::finish): Rename as
9725         layout_deferred_objects.  Move cleanup to separate function.
9726         (Plugin_manager::cleanup): New function.
9727         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9728         separately.
9729         * plugin.h (Plugin_manager::finish): Rename as
9730         layout_deferred_objects.
9731         (Plugin_manager::cleanup): New function.
9732         (Plugin_manager::cleanup_done): New field.
9733
9734 2008-12-23  Cary Coutant  <ccoutant@google.com>
9735
9736         * plugin.cc (is_visible_from_outside): New function.
9737         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9738         so we don't return "IR only" status for exported symbols or -r links.
9739
9740         * testsuite/Makefile.am (plugin_test_3): New test case.
9741         * testsuite/Makefile.in: Regenerate.
9742         * testsuite/plugin_test_3.sh: New file.
9743
9744 2008-12-22  Cary Coutant  <ccoutant@google.com>
9745
9746         * object.cc (Sized_relobj::layout_section): New function.
9747         (Sized_relobj::do_layout): Defer layout of input sections until after
9748         plugin has provided replacement files.
9749         (Sized_relobj::do_layout_deferred_sections): New function.
9750         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9751         (Relobj::layout_deferred_sections): New function.
9752         (Relobj::do_layout_deferred_sections): New function.
9753         (Sized_relobj::do_layout_deferred_sections): New function.
9754         (Sized_relobj::layout_section): New function.
9755         (Sized_relobj::Deferred_layout): New structure.
9756         (Sized_relobj::deferred_layout_): New field.
9757         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9758         Change all callers.  Layout deferred sections.
9759         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9760         references.
9761         (Plugin_hook::run): Move code from do_plugin_hook inline.
9762         (Plugin_hook::do_plugin_hook): Remove.
9763         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9764         (Plugin_manager::finish): Renamed, was cleanup.
9765         (Plugin_manager::should_defer_layout): New function.
9766         (Plugin_manager::add_deferred_layout_object): New function.
9767         (Plugin_manager::Deferred_layout_list): New type.
9768         (Plugin_manager::deferred_layout_objects_): New field.
9769         (Plugin_hook::do_plugin_hook): Remove.
9770
9771 2008-12-17  Ian Lance Taylor  <iant@google.com>
9772
9773         * options.h (class General_options): Add --no case for
9774         --export-dynamic.
9775
9776 2008-12-16  Cary Coutant  <ccoutant@google.com>
9777
9778         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9779         vector.
9780         (Plugin_manager::claim_file): Create plugin object even if
9781         plugin did not call the add_symbols callback.
9782         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9783         asking for more symbols than were added.
9784         * testsuite/Makefile.am (plugin_test_1): Add test case with
9785         no global symbols.
9786         (empty.syms): New target.
9787         * testsuite/Makefile.in: Regenerate.
9788         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9789         message. Don't call add_symbols if no globals.
9790         (all_symbols_read_hook): Don't provide replacement for empty
9791         claimed file.
9792
9793 2008-12-12  Ian Lance Taylor  <iant@google.com>
9794
9795         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9796         r_type == 0 for a local symbol with r_sym == 0.
9797         (scan_relocatable_relocs): Pass r_sym to
9798         local_non_section_strategy.
9799         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9800         r_sym parameter.
9801
9802         * configure.ac: Update test for TLS descriptors: they are
9803         supported as of glibc 2.9.
9804         * configure: Rebuild.
9805
9806 2008-12-11  Ian Lance Taylor  <iant@google.com>
9807
9808         PR 7091
9809         * target-reloc.h (Default_scan_relocatable_relocs): For each
9810         function, map r_type == 0 to RELOC_DISCARD.
9811
9812 2008-12-10  Cary Coutant  <ccoutant@google.com>
9813
9814         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9815         object to override a kept COMDAT group from a plugin object.
9816
9817 2008-12-09  Ian Lance Taylor  <iant@google.com>
9818
9819         PR 7088
9820         * yyscript.y (file_cmd): Handle INPUT.
9821
9822         * testsuite/initpri1.c: Change all declarations to be full
9823         prototypes by adding void, to avoid compiler warnings.
9824
9825 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9826
9827         * options.cc (General_options::parse_plugin_opt): New.
9828         (General_options::add_plugin): The argument now is just the filename.
9829         (General_options::add_plugin_option): New.
9830         * options.h (plugin_opt): New.
9831         (add_plugin): Change argument name.
9832         (add_plugin_option): New.
9833         * plugin.cc (Plugin::load): Don't parse the plugin option.
9834         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9835         (Plugin::add_option): New.
9836         (Plugin::args_): Change type.
9837         (Plugin::filename_): New.
9838         (Plugin_manager::add_plugin_option): New.
9839         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9840         * testsuite/Makefile.in: Regenerate.
9841
9842 2008-12-05  Cary Coutant  <ccoutant@google.com>
9843
9844         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9845         Handle --strip-lto-sections option.
9846         * options.h (strip_lto_sections): New option.
9847
9848 2008-12-01  Cary Coutant  <ccoutant@google.com>
9849
9850         * plugin.cc (ld_plugin_message): Change format parameter to const.
9851         Fix mismatch between new[] and delete.
9852
9853 2008-11-14  Cary Coutant  <ccoutant@google.com>
9854
9855         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9856         instead of -1U.
9857
9858 2008-11-05  Craig Silverstein  <csilvers@google.com>
9859
9860         * options.cc (General_options::parse_dynamic_list): New function.
9861         * options.h (General_options): New flags dynamic_list,
9862         dynamic_list_data, dynamic_list_cpp_new, and
9863         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9864         (General_options::in_dynamic_list): New function.
9865         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9866         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9867         (Lex::can_continue_name): Likewise.
9868         (yylex): Likewise.
9869         (read_script_file): New parameter script_options.
9870         (read_dynamic_list): New function.
9871         (Script_options::define_dynamic_list): New function.
9872         (dynamic_list_keyword_parsecodes): New variable.
9873         (dynamic_list_keywords): New variable.
9874         * script.h (Script_options::define_dynamic_list): New function
9875         prototype.
9876         (read_dynamic_list): New function prototype.
9877         * symtab.cc (strprefix): New macro.
9878         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9879         dynamic_list_data, dynamic_list_cpp_new, and
9880         dynamic_list_cpp_typeinfo.
9881         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9882         (dynamic_list_expr): New rule.
9883         (dynamic_list_nodes): Likewise.
9884         (dynamic_list_node): Likewise.
9885         * testsuite/Makefile.am (dynamic_list): New test.
9886         * testsuite/Makefile.in: Regenerated.
9887         * testsuite/dynamic_list.t: New file.
9888         * testsuite/dynamic_list.sh: New file.
9889
9890 2008-11-05  Craig Silverstein  <csilvers@google.com>
9891
9892         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9893         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9894         (t11_last): Likewise.
9895         * testsuite/ver_test_6.c (main): Likewise.
9896
9897 2008-10-07  Cary Coutant  <ccoutant@google.com>
9898
9899         * options.c (General_options::finalize): Add check for -static and
9900         -shared.
9901         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9902         is not empty.
9903
9904 2008-10-02  Cary Coutant  <ccoutant@google.com>
9905
9906         * plugin.cc (make_sized_plugin_object): Fix conditional
9907         compilation to work when not all targets are enabled.
9908
9909 2008-09-29  Cary Coutant  <ccoutant@google.com>
9910
9911         * archive.cc (Archive::get_file_and_offset): Use filename instead
9912         of name to get library path.
9913         (Archive::include_member): Unlock external member of a thin archive.
9914
9915         * testsuite/Makefile.am (TEST_AR): New variable.
9916         (thin_archive_test_1): New test.
9917         (thin_archive_test_2): New test.
9918         * testsuite/Makefile.in: Regenerate.
9919         * testsuite/thin_archive_main.cc: New file.
9920         * testsuite/thin_archive_test_1.cc: New file.
9921         * testsuite/thin_archive_test_2.cc: New file.
9922         * testsuite/thin_archive_test_3.cc: New file.
9923         * testsuite/thin_archive_test_4.cc: New file.
9924
9925 2008-09-29  Cary Coutant  <ccoutant@google.com>
9926
9927         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9928         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9929         instead of -1U.
9930         (Sized_relobj::do_finalize_local_symbols): Likewise.
9931         (Sized_relobj::map_to_kept_section): Likewise.
9932         * object.h (Sized_relobj::invalid_address): New constant.
9933         (Sized_relobj::do_output_section_offset): Check for invalid_address
9934         and return -1ULL.
9935         * output.cc (Output_reloc::local_section_offset): Use constant
9936         invalid_address instead of -1U.
9937         (Output_reloc::get_address): Likewise.
9938         (Output_section::output_address): Change -1U to -1ULL.
9939         * output.h (Output_reloc::invalid_address): New constant.
9940         * reloc.cc (Sized_relobj::write_sections): Use constant
9941         invalid_address instead of -1U.
9942         (Sized_relobj::relocate_sections): Likewise.
9943         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9944         values for merge sections.
9945         * target-reloc.h (relocate_for_relocatable): Use constant
9946         invalid_address instead of -1U.
9947
9948 2008-09-19  Cary Coutant  <ccoutant@google.com>
9949
9950         Add plugin functionality for link-time optimization (LTO).
9951         * configure.ac (plugins): Add --enable-plugins option.
9952         * configure: Regenerate.
9953         * config.in: Regenerate.
9954         * Makefile.am (LIBDL): New variable.
9955         (CCFILES): Add plugin.cc.
9956         (HFILES): Add plugin.h.
9957         (ldadd_var): Add LIBDL.
9958         * Makefile.in: Regenerate.
9959
9960         * archive.cc: Include "plugin.h".
9961         (Archive::setup): Don't preread archive symbols when using a plugin.
9962         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9963         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9964         files.
9965         (Archive::include_member): Add symbols from plugin objects.
9966         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9967         * descriptors.cc (Descriptors::open): Check for file descriptors
9968         abandoned by plugins.
9969         (Descriptors::claim_for_plugin): New function.
9970         * descriptors.h (Descriptors::claim_for_plugin): New function.
9971         (Open_descriptor::is_claimed): New field.
9972         (claim_descriptor_for_plugin): New function.
9973         * fileread.cc (File_read::claim_for_plugin): New function.
9974         * fileread.h (File_read::claim_for_plugin): New function.
9975         (File_read::descriptor): New function.
9976         * gold.cc: Include "plugin.h".
9977         (queue_initial_tasks): Add task to call plugin hooks for generating
9978         new object files.
9979         * main.cc: Include "plugin.h".
9980         (main): Load plugin libraries.
9981         * object.h (Pluginobj): Declare.
9982         (Object::pluginobj): New function.
9983         (Object::do_pluginobj): New function.
9984         (Object::set_target): New function.
9985         * options.cc: Include "plugin.h".
9986         (General_options::parse_plugin): New function.
9987         (General_options::General_options): Initialize plugins_ field.
9988         (General_options::add_plugin): New function.
9989         * options.h (Plugin_manager): Declare.
9990         (General_options): Add --plugin option.
9991         (General_options::has_plugins): New function.
9992         (General_options::plugins): New function.
9993         (General_options::add_plugin): New function.
9994         (General_options::plugins_): New field.
9995         * plugin.cc: New file.
9996         * plugin.h: New file.
9997         * readsyms.cc: Include "plugin.h".
9998         (Read_symbols::do_read_symbols): Check for archive before checking
9999         for ELF file.  Call plugin hooks to claim files.
10000         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10001         from a real object file; force override when processing replacement
10002         files.
10003         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10004         (Symbol::init_base_object): Likewise.
10005         (Symbol::init_base_output_data): Likewise.
10006         (Symbol::init_base_output_segment): Likewise.
10007         (Symbol::init_base_constant): Likewise.
10008         (Symbol::init_base_undefined): Likewise.
10009         (Symbol::output_section): Assert that object is not a plugin.
10010         (Symbol_table::add_from_pluginobj): New function.
10011         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10012         undefined.
10013         (Symbol_table::sized_write_globals): Likewise.
10014         (Symbol_table::add_from_pluginobj): Instantiate template.
10015         * symtab.h (Sized_pluginobj): Declare.
10016         (Symbol::in_real_elf): New function.
10017         (Symbol::set_in_real_elf): New function.
10018         (Symbol::in_real_elf_): New field.
10019         (Symbol_table::add_from_pluginobj): New function.
10020
10021         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10022         (LIBDL): New variable.
10023         (LDADD): Add LIBDL.
10024         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10025         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10026         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10027         (MOSTLYCLEANFILES): Likewise.
10028         * testsuite/Makefile.in: Regenerate.
10029         * testsuite/plugin_test.c: New file.
10030         * testsuite/plugin_test_1.sh: New file.
10031         * testsuite/plugin_test_2.sh: New file.
10032
10033 2008-09-16  Ian Lance Taylor  <iant@google.com>
10034
10035         * target-reloc.h (relocate_section): Check whether a symbol is
10036         defined by the ABI before reporting an undefined symbol error.
10037         * target.h (Target::is_defined_by_abi): Make parameter const.
10038         (Target::do_is_defined_by_abi): Likewise.
10039         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10040         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10041         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10042         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10043         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10044         * testsuite/Makefile.in: Rebuild.
10045
10046         * fileread.cc (make_view): Add casts to avoid warning.
10047
10048 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10049
10050         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10051         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10052
10053 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10054
10055         * options.h (General_options::output_is_executable): New.
10056         (General_options::output_is_pie): New.
10057         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10058         for shared libraries.
10059         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10060
10061 2008-09-11  Chris Demetriou  <cgd@google.com>
10062
10063         * options.h (origin): New -z option.
10064         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10065         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10066         in DT_FLAGS_1.
10067
10068 2008-09-05  Cary Coutant  <ccoutant@google.com>
10069
10070         * fileread.cc (File_read::make_view): Add check for attempt to map
10071         beyond end of file.
10072
10073 2008-09-05  Cary Coutant  <ccoutant@google.com>
10074
10075         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10076         explicit instantiations.
10077
10078 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10079
10080         PR gold/6858
10081         * options.cc (General_options::finalize): Allow undefined symbols
10082         in shlibs if linking -shared.
10083
10084         PR gold/6859
10085         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10086         symbols as not needing a dynsym entry.
10087
10088 2008-08-20  Craig Silverstein  <csilvers@google.com>
10089
10090         * fileread.cc (File_read::open): Do not lock the file unless it
10091         was successfully opened.
10092
10093 2008-08-14  Cary Coutant  <ccoutant@google.com>
10094
10095         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10096         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10097         * testsuite/tls_test.cc (struct int128): 128-bit struct
10098         for testing TLS relocs with non-zero addend.
10099         (v12): New TLS variable.
10100         (t12): New test.
10101         (t_last): Add check for v12.
10102         * testsuite/tls_test.h (t12): New function.
10103         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10104
10105 2008-08-13  Ian Lance Taylor  <iant@google.com>
10106
10107         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10108         set tls_segment_ or relro_segment_.
10109         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10110         when appropriate.
10111         * output.h (Output_section::clear_is_relro): New function.
10112         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10113         sections specially even when output_data_ is empty.
10114         (Output_segment::maximum_alignment): When first section is relro,
10115         only force alignment for PT_LOAD segments.
10116         * script.cc (script_data_segment_align): New function.
10117         (script_data_segment_relro_end): New function.
10118         * script-c.h (script_data_segment_align): Declare.
10119         (script_data_segment_relro_end): Declare.
10120         * script-sections.h (class Script_sections): Declare
10121         data_segment_align and data_segment_relro_end.  Add fields
10122         segment_align_index_ and saw_relro_end_.
10123         * script-sections.cc (class Sections_element): Add set_is_relro
10124         virtual function.  Add new bool* parameter to place_orphan_here.
10125         Add get_output_section virtual function.
10126         (class Output_section_definition): Add set_is_relro.  Add new
10127         bool* parameter to place_orphan_here.  Add get_output_section.
10128         Add is_relro_ field.
10129         (Output_section_definition::Output_section_definition): Initialize
10130         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10131         and is_relro_ fields.
10132         (Output_section_definition::place_orphan_here): Add is_relro
10133         parameter.
10134         (Output_section_definition::set_section_addresses): Set relro for
10135         output section.
10136         (Output_section_definition::alternate_constraint): Likewise.
10137         (class Orphan_output_section): Add new bool* parameter to
10138         place_orphan_here.  Add get_output_section.
10139         (Orphan_output_section::place_orphan_here): Add is_relro
10140         parameter.
10141         (Script_sections::Script_sections): Initialize
10142         data_segment_align_index_ and saw_relro_end_.
10143         (Script_sections::data_segment_align): New function.
10144         (Script_sections::data_segment_relro_end): New function.
10145         (Script_sections::place_orphan): Set or clear is_relro.
10146         (Script_sections::set_section_addresses): Force alignment of first
10147         TLS section.
10148         * yyscript.y (exp): Call script_data_segment_align and
10149         script_data_segment_relro_end.
10150         * testsuite/relro_script_test.t: New file.
10151         * testsuite/relro_test.cc (using_script): Declare.
10152         (t1, t2): Test using_script.
10153         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10154         (relro_script_test_SOURCES): Define.
10155         (relro_script_test_DEPENDENCIES): Define.
10156         (relro_script_test_LDFLAGS): Define.
10157         (relro_script_test_LDADD): Define.
10158         (relro_script_test.so): New target.
10159         * testsuite/Makefile.in: Rebuild.
10160
10161 2008-08-06  Cary Coutant <ccoutant@google.com>
10162
10163         * archive.cc (Archive::total_archives, Archive::total_members)
10164         (Archive::total_members_loaded): New variables.
10165         (Archive::setup): Add parameter.  Add option to preread
10166         archive symbols.
10167         (Archive::read_armap): Add counter.
10168         (Archive::get_file_and_offset): New function.
10169         (Archive::get_elf_object_for_member): New function.
10170         (Archive::read_all_symbols): New function.
10171         (Archive::read_symbols): New function.
10172         (Archive::add_symbols): Add counters.
10173         (Archive::include_all_members): Use armap to find members if it's
10174         already built.
10175         (Archive::include_member): Skip reading symbols if already read.
10176         Factored code into Archive::get_file_and_offset and
10177         Archive::get_elf_object_for_member.  Changed call to
10178         Mapfile::report_include_archive_member.
10179         (Archive::print_stats): New function.
10180         * archive.h: Declare Object and Read_symbols_data classes.
10181         (Archive::Archive): Add initializers for new members.
10182         (Archive::setup): Add parameter.
10183         (Archive::print_stats): New function.
10184         (Archive::total_archives, Archive::total_members)
10185         (Archive::total_members_loaded): New variables.
10186         (Archive::get_file_and_offset): New function.
10187         (Archive::get_elf_object_for_member): New function.
10188         (Archive::read_all_symbols): New function.
10189         (Archive::read_symbols): New function.
10190         (Archive::Archive_member): New class.
10191         (Archive::members_): New member.
10192         (Archive::num_members_): New member.
10193         * main.cc: Include archive.h.
10194         (main): Call Archive::print_stats.
10195         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10196         archive parameter; member_name is now the fully-decorated name.
10197         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10198         * options.h: (General_options): Add --preread-archive-symbols option.
10199         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10200         Archive::setup.
10201
10202 2008-08-04  Ian Lance Taylor  <iant@google.com>
10203
10204         * symtab.h (Symbol::use_plt_offset): New function.
10205         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10206         * powerpc.cc (Relocate::relocate): Likewise.
10207         * sparc.cc (Relocate::relocate): Likewise.
10208         * x86_64.cc (Relocate::relocate): Likewise.
10209         * testsuite/weak_plt.sh: New test.
10210         * testsuite/weak_plt_main.cc: New test.
10211         * testsuite/weak_plt_shared.cc: New test.
10212         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10213         (check_PROGRAMS): Add weak_plt.
10214         (check_DATA): Add weak_plt_shared.so.
10215         (weak_plt_main_pic.o, weak_plt): New targets.
10216         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10217         * testsuite/Makefile.in: Rebuild.
10218
10219         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10220         gcctestdir/ld.
10221         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10222         * testsuite/Makefile.in: Rebuild.
10223
10224 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10225
10226         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10227         * Makefile.in: Regenerate.
10228         * po/POTFILES.in: Regenerate.
10229
10230 2008-07-29  Ian Lance Taylor  <iant@google.com>
10231
10232         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10233         symbols before other symbols.
10234         * testsuite/script_test_2.cc (test_addr): Declare.
10235         (test_addr_alias): Declare.
10236         (main): Check that test_addr and test_addr_alias have the right
10237         values.
10238         * testsuite/script_test_2.t: Define test_addr_alias and
10239         test_addr.
10240
10241 2008-07-24  Ian Lance Taylor  <iant@google.com>
10242
10243         PR 5990
10244         * descriptors.cc: New file.
10245         * descriptors.h: New file.
10246         * gold-threads.h (class Hold_optional_lock): New class.
10247         * fileread.cc: Include "descriptors.h".
10248         (File_read::~File_read): Release descriptor rather than closing
10249         it.
10250         (File_read::open) [file]: Call open_descriptor rather than open.
10251         Set is_descriptor_opened_.
10252         (File_read::open) [memory]: Assert that descriptor is not open.
10253         (File_read::reopen_descriptor): New function.
10254         (File_read::release): Release descriptor.
10255         (File_read::do_read): Make non-const.  Reopen descriptor.
10256         (File_read::read): Make non-const.
10257         (File_read::make_view): Reopen descriptor.
10258         (File_read::do_readv): Likewise.
10259         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10260         Update declarations.
10261         * layout.cc: Include "descriptors.h".
10262         (Layout::create_build_id): Use open_descriptor rather than open.
10263         * output.cc: Include "descriptors.h".
10264         (Output_file::open): Use open_descriptor rather than open.
10265         * archive.cc (Archive::const_iterator): Change Archive to be
10266         non-const.
10267         (Archive::begin, Archive::end): Make non-const.
10268         (Archive::count_members): Likewise.
10269         * archive.h (class Archive): Update declarations.
10270         * object.h (Object::read): Make non-const.
10271         * Makefile.am (CCFILES): Add descriptors.cc.
10272         (HFILES): Add descriptors.h.
10273         * Makefile.in: Rebuild.
10274
10275         PR 6716
10276         * gold.h: Always include <clocale>.  Add Solaris workarounds
10277         following code in binutils/sysdep.h.
10278
10279         PR 6048
10280         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10281         this->eh_frame_hdr_ is NULL before using it.
10282
10283         * dynobj.cc (Versions::Versions): Update comment.
10284
10285         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10286         the base version name.
10287
10288         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10289         array size plus one.
10290         (Stringpool_template::set_string_offsets): Subtract one from key
10291         before using it as an array index.
10292         (Stringpool_template::get_offset_with_length): Likewise.
10293         (Stringpool_template::write_to_buffer): Likewise.
10294         * stringpool.h (Stringpool_template::get_offset_from_key):
10295         Likewise.
10296
10297 2008-07-23  Ian Lance Taylor  <iant@google.com>
10298
10299         PR 6658
10300         * object.h (Merged_symbol_value::value): Do our best to handle a
10301         negative addend.
10302
10303         PR 6647
10304         * script.cc (Version_script_info::get_versions): Don't add empty
10305         version tag to return value.
10306         (Version_script_info::get_symbol_version_helper): Change return
10307         type to bool.  Add pversion parameter.  Change all callers.
10308         (script_register_vers_node): Don't require a non-NULL tag.
10309         * script.h (class Version_script_info): Update declarations.
10310         (Version_script_info::get_symbol_version): Change return type to
10311         bool.  Add version parameter.  Change all callers.
10312         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10313         handling.  Handle an empty version from a version script.
10314         (Symbol_table::define_special_symbol): Likewise.
10315         * testsuite/ver_test_10.script: New file.
10316         * testsuite/ver_test_10.sh: New file.
10317         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10318         (check_DATA): Add ver_test_10.syms.
10319         (ver_test_10.syms, ver_test_10.so): New target.
10320         * testsuite/Makefile.in: Rebuild.
10321
10322 2008-07-23  Simon Baldwin  <simonb@google.com>
10323
10324         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10325         to zero for undefined symbols from dynamic libraries.
10326
10327 2008-07-23  Ian Lance Taylor  <iant@google.com>
10328
10329         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10330         Change all callers.
10331         * symtab.h (class Symbol_table): Update declaration.
10332         * testsuite/ver_test_9.cc: New file.
10333         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10334         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10335         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10336         (ver_test_9.so, ver_test_9.o): New targets.
10337         * testsuite/Makefile.in: Rebuild.
10338
10339 2008-07-22  Ian Lance Taylor  <iant@google.com>
10340
10341         * options.h (class General_options): Define --check-sections.
10342         * layout.cc (Layout::set_segment_offsets): Handle
10343         --check-sections.
10344
10345         * options.h (class General_options): Define -n/--nmagic and
10346         -N/--omagic.
10347         * options.cc (General_options::finalize): For -n/--nmagic or
10348         -N/--omagic, set -static.
10349         * layout.cc (Layout::attach_allocated_section_to_segment): If
10350         -N/--omagic, don't put read-only and read-write sections in
10351         different segments.
10352         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10353         finding a read-only segment.
10354         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10355         don't set the minimum segment alignment to the common page size,
10356         and don't set the file offset to the address modulo the page size.
10357         * script-sections.cc (Script_sections::create_segments): If
10358         -n/--omagic, don't put read-only and read-write sections in
10359         different segments.
10360
10361         * cref.cc: New file.
10362         * cref.h: New file.
10363         * options.h (class General_options): Add --print-symbol-counts.
10364         * main.cc (main): Issue defined symbol report if requested.
10365         * archive.cc (Archive::interpret_header): Make into a const member
10366         function.
10367         (Archive::add_symbols): Call Input_objects::archive_start and
10368         archive_stop.
10369         (Archive::const_iterator): Define new class.
10370         (Archive::begin, Archive::end): New functions.
10371         (Archive::include_all_members): Rewrite to use iterator.
10372         (Archive::count_members): New function.
10373         * archive.h (class Archive): Update declarations.
10374         (Archive::filename): New function.
10375         * object.cc: Include "cref.h".
10376         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10377         (Sized_relobj::do_get_global_symbol_counts): New function.
10378         (Input_objects::add_object): Add object to cross-referencer.
10379         (Input_objects::archive_start): New function.
10380         (Input_objects::archive_stop): New function.
10381         (Input_objects::print_symbol_counts): New function.
10382         * object.h: Declare Cref and Archive.
10383         (Object::get_global_symbol_counts): New function.
10384         (Object::do_get_global_symbol_counts): New pure virtual function.
10385         (class Sized_relobj): Add defined_count_ field.  Update
10386         declarations.
10387         (class Input_objects): Add cref_ field.  Update constructor.
10388         Update declarations.
10389         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10390         defined_count_.
10391         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10392         symbol counts.
10393         (Sized_dynobj::do_get_global_symbol_counts): New function.
10394         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10395         defined_count_.  Update declarations.  Define Symbols typedef.
10396         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10397         parameter.  Change all callers.
10398         (Symbol_table::add_from_dynobj): Add sympointers and defined
10399         parameters.  Change all callers.
10400         * symtab.h (class Symbol_table): Update declarations.
10401         * Makefile.am (CCFILES): Add cref.cc.
10402         (HFILES): Add cref.h.
10403         * Makefile.in: Rebuild.
10404
10405 2008-07-22  Simon Baldwin  <simonb@google.com>
10406
10407         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10408         to zero when writing undefined symbols.
10409
10410 2008-07-22  Ian Lance Taylor  <iant@google.com>
10411
10412         * output.cc (Output_section::add_input_section): Don't try to
10413         merge empty merge sections.
10414
10415 2008-07-21  Craig Silverstein  <csilvers@google.com>
10416
10417         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10418         Include symbol version in error message.
10419
10420 2008-07-20  Chris Demetriou  <cgd@google.com>
10421
10422         * configure.ac (gold_cv_c_random_seed): New configured variable.
10423         (RANDOM_SEED_CFLAGS): New substituted variable.
10424         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10425         * configure: Rebuild.
10426         * Makefile.in: Likewise.
10427         * testsuite/Makefile.in: Likewise.
10428
10429 2008-07-18  Ian Lance Taylor  <iant@google.com>
10430
10431         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10432         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10433         * testsuite/ver_test_main.cc (main): Call t4.
10434         (t4, t4_2a): Define.
10435         * testsuite/ver_test_2.cc (t4_2): Define.
10436         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10437         * testsuite/ver_test_4.cc (t4_2a): Define.
10438         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10439         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10440
10441 2008-07-17  Ian Lance Taylor  <iant@google.com>
10442
10443         * dynobj.cc (Versions::add_def): If we give an error about a
10444         missing version, go ahead and create the version anyhow.
10445
10446 2008-07-10  Ian Lance Taylor  <iant@google.com>
10447
10448         Handle output sections with more than 0x7fffffff bytes.
10449         * object.h (class Relobj): Change map_to_output_ to
10450         output_sections_, and just keep a section pointer.  Change all
10451         uses.  Move comdat group support to Sized_relobj.
10452         (Relobj::is_section_specially_mapped): Remove.
10453         (Relobj::output_section): Remove poff parameter.  Change all
10454         callers.
10455         (Relobj::output_section_offset): New function.
10456         (Relobj::set_section_offset): Rewrite.
10457         (Relobj::map_to_output): Remove.
10458         (Relobj::output_sections): New function.
10459         (Relobj::do_output_section_offset): New pure virtual function.
10460         (Relobj::do_set_section_offset): Likewise.
10461         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10462         group support from Relobj.  Update declarations.
10463         (Sized_relobj::get_output_section_offset): New function.
10464         (Sized_relobj::do_output_section_offset): New function.
10465         (Sized_relobj::do_set_section_offset): New function.
10466         * object.cc (Relobj::output_section_address): Remove.
10467         (Sized_relobj::Sized_relobj): Initialize new fields.
10468         (Sized_relobj::include_section_group): Cast find_kept_object to
10469         Sized_relobj.
10470         (Sized_relobj::include_linkonce_section): Likewise.
10471         (Sized_relobj::do_layout): Use separate arrays for output section
10472         and output offset.
10473         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10474         output_sections.
10475         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10476         output_sections and section_offsets.
10477         (Sized_relobj::write_local_symbols): Likewise.
10478         (map_to_kept_section): Compute output address directly.
10479         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10480         output_sections and section_offsets.
10481         (Sized_relobj::write_sections): Likewise.
10482         (Sized_relobj::relocate_sections): Likewise.
10483         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10484         * output.h (class Output_reloc): Update declarations.  Change
10485         u2_.relobj to Sized_relobj*.
10486         (class Output_data_reloc): Change add functions to use
10487         Sized_relobj*.
10488         * output.cc (Output_reloc::Output_reloc): Change relobj to
10489         Sized_relobj*.
10490         (Output_reloc::local_section_offset): Change return type to
10491         Elf_Addr.  Use get_output_section_offset.
10492         (Output_reloc::get_address): Likewise.
10493         (Output_section::is_input_address_mapped): Don't call
10494         is_section_specially_mapped.
10495         (Output_section::output_offset): Likewise.
10496         (Output_section::output_address): Likewise.
10497         (Output_section::starting_output_address): Likewise.
10498         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10499         parameter to Sized_relobj*.
10500         (Copy_relocs::need_copy_reloc): Likewise.
10501         (Copy_relocs::save): Likewise.
10502         * copy-relocs.h (class Copy_relocs): Update declarations.
10503         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10504         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10505         * target-reloc.h (relocate_for_relocatable): Change
10506         offset_in_output_section type to Elf_Addr.  Change code that uses
10507         it as well.
10508         * layout.cc (Layout::layout): Always set *off.
10509         * mapfile.cc (Mapfile::print_input_section): Use
10510         output_section_offset.
10511         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10512         Sized_relobj*.
10513         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10514         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10515         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10516
10517 2008-07-03  Ian Lance Taylor  <iant@google.com>
10518
10519         * layout.cc (Layout::include_section): Do not discard unrecognized
10520         SHT_STRTAB sections.
10521
10522 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10523
10524         * script.cc (Lex::can_continue_name): Make '?' allowable in
10525         version-script names.
10526         * testsuite/version_script.map: Change glob pattern to use '?'
10527
10528 2008-06-30  Manish Singh  <yosh@gimp.org>
10529
10530         PR 6585
10531         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10532         Correct typo.
10533
10534 2008-06-30  Ian Lance Taylor  <iant@google.com>
10535
10536         PR 6660
10537         PR 6682
10538         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10539         versions]: Don't try to read the value in the contents, since we
10540         don't use it.  Use the template endianness when writing.
10541
10542 2008-06-25  Cary Coutant  <ccoutant@google.com>
10543
10544         * fileread.cc (File_read::make_view): Assert on zero-length view.
10545         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10546         symbol table when there are no symbols to read.
10547
10548 2008-06-23  Craig Silverstein  <csilvers@google.com>
10549
10550         * version.cc (version_string): Bump to 1.7
10551
10552 2008-06-18  Craig Silverstein  <csilvers@google.com>
10553
10554         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10555         constant 0xFFFF to type Valtype.
10556         (Powerpc_relocate_functions::rel16_ha): Likewise.
10557
10558 2008-06-17  Ian Lance Taylor  <iant@google.com>
10559
10560         * output.h (Output_section::Input_section): Initialize p2align_ to
10561         zero for Output_section_data constructors.
10562         (Output_section::Input_section::addralign): If not an input
10563         section, return the alignment of the Output_section_data.
10564         * testsuite/copy_test.cc: New file.
10565         * testsuite/copy_test_1.cc: New file.
10566         * testsuite/copy_test_2.cc: New file.
10567         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10568         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10569         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10570         (copy_test_1_pic.o, copy_test_1.so): New targets.
10571         (copy_test_2_pic.o, copy_test_2.so): New targets.
10572         * testsuite/Makefile.in: Rebuild.
10573
10574         * script-sections.cc (Script_sections::place_orphan): Initialize
10575         local variable exact.
10576
10577 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10578
10579         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10580
10581 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10582             David S. Miller  <davem@davemloft.net>
10583
10584         * powerpc.cc: New file.
10585         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10586         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10587         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10588         * Makefile.in: Rebuild.
10589
10590 2008-06-09  Ian Lance Taylor  <iant@google.com>
10591
10592         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10593         <exception>.
10594         (throwing, orig_terminate): New static variables.
10595         (terminate_handler): New static function.
10596         (t2): Set terminate handler.
10597
10598 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10599
10600         PR 6584
10601         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10602         alignment.
10603
10604 2008-05-30  Cary Coutant  <ccoutant@google.com>
10605
10606         * archive.cc (Archive::include_all_members) Correct to step
10607         over symbol table and extended name table in thin archives.
10608
10609 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10610
10611         PR 6407
10612         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10613         calculation.
10614
10615 2008-05-28  Caleb Howe  <cshowe@google.com>
10616
10617         * reduced_debug_output.cc: New file.
10618         * reduced_debug_output.h: New file.
10619         * options.h (class General_options): Add --strip-debug-non-line.
10620         * options.cc (General_options::finalize): Add strip_debug_non_line
10621         to the strip heirarchy.
10622         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10623         fields.
10624         * layout.cc: Include "reduced_debug_output.h".
10625         (Layout::Layout): Initialize new fields.
10626         (line_only_debug_sections): New static array.
10627         (is_lines_only_debug_sections): New static inline function.
10628         (Layout::include_section): Handle --strip-debug-non-line.
10629         (Layout::make_output_section): If --strip-debug-non-line, build
10630         new output sections for .debug_abbrev and .debug_info.
10631         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10632         gold.  Warn about possible overflow.
10633         (read_signed_LEB_128): Likewise.
10634         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10635         (read_signed_LEB_128): Declare.
10636         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10637         (HFILES): Add reduced_debug_output.h.
10638         * Makefile.in: Rebuild.
10639
10640 2008-05-21  Ian Lance Taylor  <iant@google.com>
10641
10642         * mapfile.cc: New file.
10643         * mapfile.h: New file.
10644         * options.h (class General_options): Add -M/--print-map and -Map.
10645         * options.cc (General_options::finalize): Make -M equivalent to
10646         -Map -.
10647         * main.cc: Include <cstdio> and "mapfile.h".
10648         (main): Open mapfile if requested.
10649         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10650         constructor.  Change caller.
10651         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10652         (queue_middle_tasks): Likewise.
10653         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10654         declarations.
10655         * archive.cc: Include "mapfile.h".
10656         (Archive::add_symbols): Add mapfile parameter.  Change all
10657         callers.  Pass mapfile, symbol, and reason to include_member.
10658         (Archive::include_all_members): Add mapfile parameter.  Change all
10659         callers.
10660         (Archive::include_member): Add mapfile, sym, and why parameters.
10661         Change all callers.  Report inclusion to map file.
10662         * archive.h: Include "fileread.h".
10663         (class Archive): Update declarations.
10664         (Archive::file): New const method.
10665         (class Add_archive_symbols): Add mapfile_ field.  Update
10666         constructor.  Change all callers.
10667         * readsyms.h (class Read_symbols): Likewise.
10668         (class Finish_group): Likewise.
10669         (class Read_script): Likewise.
10670         * common.cc: Include "mapfile.h".
10671         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10672         all callers.
10673         (Symbol_table::do_allocate_commons): Likewise.
10674         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10675         symbol allocation to mapfile.
10676         * common.h (class Allocate_commons_task): Add mapfile_ field.
10677         Update constructor.  Change all callers.
10678         * symtab.h (class Symbol_table): Update declarations.
10679         * layout.cc: Include "mapfile.h".
10680         (Layout_task_runner::run): Print information to mapfile.
10681         (Layout::create_gold_note): Change Output_data_fixed_space to
10682         Output_data_zero_fill.
10683         (Layout::create_build_id): Likewise.
10684         (Layout::print_to_mapfile): New function.
10685         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10686         constructor.  Change caller.
10687         (class Layout): Declare print_to_mapfile.
10688         * output.cc (Output_section::Input_section::print_to_mapfile): New
10689         function.
10690         (Output_section::add_input_section): If producing a map, always
10691         add to input_sections_ list.
10692         (Output_section::do_print_to_mapfile): New function.
10693         (Output_segment::print_sections_to_mapfile): New function.
10694         (Output_segment::print_section_list_to_mapfile): New function.
10695         * output.h: Include "mapfile.h".
10696         (Output_data::print_to_mapfile): New function.
10697         (Output_data::do_print_to_mapfile): New virtual function.
10698         (Output_segment_headers::do_print_to_mapfile): New function.
10699         (Output_file_header::do_print_to_mapfile): New function.
10700         (Output_data_const::do_print_to_mapfile): New function.
10701         (class Output_data_const_buffer): Add map_name_ field.  Update
10702         constructor.  Change all callers.  Add do_print_to_mapfile
10703         function.
10704         (class Output_data_fixed_space): Likewise.
10705         (class Output_data_space): Likewise.
10706         (class Output_data_zero_fill): New class.
10707         (Output_data_strtab::do_print_to_mapfile): New function.
10708         (Output_data_reloc_base::do_print_to_mapfile): New function.
10709         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10710         (Output_data_group::do_print_to_mapfile): New function.
10711         (Output_data_got::do_print_to_mapfile): New function.
10712         (Output_data_dynamic::do_print_to_mapfile): New function.
10713         (Output_symtab_xindex::do_print_to_mapfile): New function.
10714         (class Output_section): Declare do_print_to_mapflie.  Declare
10715         print_to_mapfile in Input_section.
10716         (class Output_segment): Declare new functions.
10717         * object.h (Sized_relobj::symbol_count): New function.
10718         * script-sections.cc
10719         (Output_section_element_dot_assignment::set_section_addresses):
10720         Change Output_data_fixed_space to Output_data_zero_fill.
10721         (Output_data_expression::do_print_to_mapfile): New function.
10722         * script.cc (read_input_script): Add mapfile parameter.  Change
10723         all callers.
10724         * script.h (read_input_script): Update declaration.
10725         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10726         (Eh_frame::do_print_to_mapfile): New function.
10727         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10728         (Output_merge_string::do_print_to_mapfile): New function.
10729         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10730         function.
10731         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10732         function.
10733         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10734         function.
10735         * Makefile.am (CCFILES): Add mapfile.cc.
10736         (HFILES): Add mapfile.h.
10737         * Makefile.in: Rebuild.
10738
10739 2008-05-19  Ian Lance Taylor  <iant@google.com>
10740
10741         * options.h (class General_options): Add -z relro.
10742         * layout.cc (Layout::Layout): Initialize relro_segment_.
10743         (Layout::add_output_section_data): Return the output section.
10744         (Layout::make_output_section): Rcognize relro sections and mark
10745         them appropriately.
10746         (Layout::attach_allocated_section_to_segment): Put relro sections
10747         in a PT_GNU_RELRO segment.
10748         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10749         section as relro.
10750         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10751         PT_TLS segments.
10752         (Layout::linkonce_mapping): Map d.rel.ro.local to
10753         .data.rel.ro.local.
10754         (Layout::output_section_name): Us .data.rel.ro.local for any
10755         section which begins with that.
10756         * layout.h (class Layout): Update add_output_section_data
10757         declaration.  Add relro_segment_ field.
10758         * output.cc (Output_section::Output_section): Initialize is_relro_
10759         and is_relro_local_ fields.
10760         (Output_segment::add_output_section): Group relro sections.
10761         (Output_segment::is_first_section_relro): New function.
10762         (Output_segment::maximum_alignment): If there is a relro section,
10763         align the segment to the common page size.
10764         (Output_segment::set_section_addresses): Track whether we are
10765         looking at relro sections.  If the last section is a relro
10766         section, align to the common page size.
10767         (Output_segment::set_section_list_addresses): Add in_relro
10768         parameter.  Change all callers.  Align to the page size when
10769         moving from relro to non-relro section.
10770         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10771         segment.
10772         * output.h (class Output_section): Add is_relro_ and
10773         is_relro_local_ fields.
10774         (Output_section::is_relro): New function.
10775         (Output_section::set_is_relro): New function.
10776         (Output_section::is_relro_local): New function.
10777         (Output_section::set_is_relro_local): New function.
10778         (class Output_segment): Update declarations.
10779         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10780         * sparc.cc (Target_sparc::got_section): Likewise.
10781         * x86_64.cc (Target_x86_64::got_section): Likewise.
10782         * testsuite/relro_test_main.cc: New file.
10783         * testsuite/relro_test.cc: New file.
10784         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10785         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10786         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10787         (relro_test.so, relro_test_pic.o): New targets.
10788         * testsuite/Makefile.in: Rebuild.
10789
10790 2008-05-16  Ian Lance Taylor  <iant@google.com>
10791
10792         * output.cc (Output_segment::add_output_section): Remove front
10793         parameter.
10794         * output.h (class Output_segment): Remove
10795         add_initial_output_section and overloaded add_output_section.
10796         Update declaration of remaining add_output_section.
10797         * layout.cc (Layout::create_interp): Call add_output_section
10798         rather than add_initial_output_section.
10799         (Layout::finish_dynamic_section): Likewise.
10800
10801         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10802         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10803         know the dynamic type.
10804         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10805         field.  Initialize it in constructor.
10806         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10807         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10808         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10809         reloc.
10810
10811         * output.cc (Output_reloc::get_address): Change return type to
10812         Elf_Addr.
10813         * output.h (class Output_reloc): Update get_address declaration.
10814         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10815         for section addresses.
10816
10817 2008-05-09  Ian Lance Taylor  <iant@google.com>
10818
10819         PR 6493
10820         * gold.cc (gold_nomem): Use return value of write.
10821
10822 2008-05-08  Ian Lance Taylor  <iant@google.com>
10823
10824         * symtab.c (Symbol::init_base_output_data): Add version
10825         parameter.  Change all callers.
10826         (Symbol::init_base_output_segment): Likewise.
10827         (Symbol::init_base_constant): Likewise.
10828         (Symbol::init_base_undefined): Likewise.
10829         (Sized_symbol::init_output_data): Likewise.
10830         (Sized_symbol::init_output_segment): Likewise.
10831         (Sized_symbol::init_constant): Likewise.
10832         (Sized_symbol::init_undefined): Likewise.
10833         (Symbol_table::do_define_in_output_data): If the new symbol has a
10834         version, mark it as the default.
10835         (Symbol_table::do_define_in_output_segment): Likewise.
10836         (Symbol_table::do_define_as_constant): Likewise.
10837         * symtab.h (class Symbol): Update declarations.
10838         (class Sized_symbol): Likewise.
10839         * resolve.cc (Symbol::override_version): New function.
10840         (Symbol::override_base): Call override_version.
10841         (Symbol::override_base_with_special): Likewise.
10842         * testsuite/ver_script_8.script: New file.
10843         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10844         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10845         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10846         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10847
10848 2008-05-06  Ian Lance Taylor  <iant@google.com>
10849
10850         PR 6049
10851         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10852         functions.
10853         (class General_options): Remove existing --undefined, and add
10854         --no-undefined instead.  Add new --undefined as synonym for -u.
10855         * archive.cc (Archive::add_symbols): Check whether symbol was
10856         named with -u.
10857         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10858         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10859         all uses.  Add IS_UNDEFINED.  Update declarations to split
10860         different versions of init_base.  Declare init_base_undefined.
10861         (Symbol::is_defined): Handle IS_UNDEFINED.
10862         (Symbol::is_undefined): Likewise.
10863         (Symbol::is_weak_undefined): Call is_undefined.
10864         (Symbol::is_absolute): Handle IS_CONSTANT.
10865         (class Sized_symbol): Update declarations to split different
10866         versions of init.  Declare init_undefined.
10867         (class Symbol_table): Declare new functions.
10868         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10869         Change all callers.
10870         (Symbol::init_base_output_data): Likewise.
10871         (Symbol::init_base_output_segment): Likewise.
10872         (Symbol::init_base_constant): Likewise.
10873         (Symbol::init_base_undefined): New function.
10874         (Sized_symbol::init_object): Rename from init.  Change all
10875         callers.
10876         (Sized_symbol::init_output_data): Likewise.
10877         (Sized_symbol::init_output_segment): Likewise.
10878         (Sized_symbol::init_constant): Likewise.
10879         (Sized_symbol::init_undefined): New function.
10880         (Symbol_table::add_undefined_symbols_from_command_line): New
10881         function.
10882         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10883         function.
10884         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10885         (Symbol::output_section): Likewise.
10886         (Symbol::set_output_section): Likewise.
10887         (Symbol_table::sized_finalize_symbol): Likewise.
10888         (Symbol_table::sized_write_globals): Likewise.
10889         * resolve.cc (Symbol_table::should_override): Likewise.
10890         (Symbol::override_base_with_special): Likewise.
10891
10892         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10893         symbol, change it to have default visibility.
10894         * testsuite/protected_1.cc: New file.
10895         * testsuite/protected_2.cc: New file.
10896         * testsuite/protected_3.cc: New file.
10897         * testsuite/protected_main_1.cc: New file.
10898         * testsuite/protected_main_2.cc: New file.
10899         * testsuite/protected_main_3.cc: New file.
10900         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10901         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10902         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10903         (protected_1.so): New target.
10904         (protected_1_pic.o, protected_2_pic.o): New targets.
10905         (protected_3_pic.o): New target.
10906         (check_PROGRAMS): Add protected_2.
10907         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10908         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10909         * testsuite/Makefile.in: Rebuild.
10910
10911         * options.h (DEFINE_var): Add set_user_set_##varname__.
10912         (DEFINE_bool_alias): New macro.
10913         (class General_options): Define -Bstatic using DEFINE_bool_alias
10914         rather than DEFINE_special.  Add --undefined as an alias for -z
10915         defs.
10916         * options.cc (General_options::parse_Bstatic): Remove.
10917
10918         * options.h (class General_options): Add --fatal-warnings.
10919         * main.cc (main): Implement --fatal-warnings.
10920         * errors.h (Errors::warning_count): New function.
10921
10922         * options.h (class General_options): Add -Bsymbolic-functions.
10923         * symtab.h (Symbol::is_preemptible): Check for
10924         -Bsymbolic-functions.
10925
10926 2008-05-05  Ian Lance Taylor  <iant@google.com>
10927
10928         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10929         as noVARNAME rather than no-VARNAME.
10930         (class General_options): Add option -z combreloc.
10931         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10932         get_address.
10933         (Output_reloc::sort_before) [SHT_REL]: New function.
10934         (Output_reloc::sort_before) [SHT_RELA]: New function.
10935         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10936         Sort_relocs_comparison.
10937         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10938         parameter.  Change all callers.
10939         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10940         sort_relocs parameter.  Change all callers.
10941         * output.cc (Output_reloc::get_address): New function, broken out
10942         of write_rel.
10943         (Output_reloc::write_rel): Call it.
10944         (Output_reloc::compare): New function.
10945         (Output_data_reloc_base::do_write): Optionally sort relocs.
10946
10947         * configure.ac: If targ_extra_obj is set, link it in.
10948         * configure.tgt: Initialize all variables.
10949         (x86_64*): Set targ_extra_obj and targ_extra_size.
10950         * configure: Rebuild.
10951
10952         * object.cc (Sized_relobj::include_section_group): Adjust section
10953         indexes read from group data.  Build vector to pass to
10954         layout_group.
10955         * layout.cc (Layout::layout_group): Add flags and shndxes
10956         parameters.  Remove contents parameter.  Change caller.  Update
10957         explicit instantiations.
10958         * layout.h (class Layout): Update layout_group declaration.
10959         * output.cc (Output_data_group::Output_data_group): Add flags and
10960         input_shndxes parameters.  Remove contents parameter.  Change
10961         caller.
10962         (Output_data_group::do_write): Change input_sections_ to
10963         input_shndxes_.
10964         * output.h (class Output_data_group): Update constructor
10965         declaration.  Rename input_sections_ to input_shndxes_.
10966         * testsuite/many_sections_test.cc: Add template.
10967
10968 2008-04-30  Cary Coutant  <ccoutant@google.com>
10969
10970         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10971
10972         * layout.cc (Layout::include_section): Refactored check for debug
10973         info section.
10974         (Layout::add_comdat): Add new parameters.  Change type
10975         of signature parameter.  Add object and shndx to signatures table.
10976         (Layout::find_kept_object): New function.
10977         * layout.h: Include <cstring>.
10978         (Layout::is_debug_info_section): New function.
10979         (Layout::add_comdat): Add new parameters.
10980         (Layout::find_kept_object): New function.
10981         (Layout::Kept_section): New struct.
10982         (Layout::Signatures): Change type of map range.
10983         * object.cc (Relobj::output_section_address): New function.
10984         (Sized_relobj::include_section_group): Add new parameters.  Change
10985         calls to Layout::add_comdat.  Change to build table of kept comdat
10986         groups and table mapping discarded sections to kept sections.
10987         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10988         (Sized_relobj::do_layout): Change calls to include_section_group and
10989         include_linkonce_section.
10990         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10991         value to zero when section is discarded.
10992         (Sized_relobj::map_to_kept_section): New function.
10993         * object.h (Relobj::output_section_address): New function.
10994         (Relobj::Comdat_group): New type.
10995         (Relobj::find_comdat_group): New function.
10996         (Relobj::Comdat_group_table): New type.
10997         (Relobj::Kept_comdat_section): New type.
10998         (Relobj::Kept_comdat_section_table): New type.
10999         (Relobj::add_comdat_group): New function.
11000         (Relobj::set_kept_comdat_section): New function.
11001         (Relobj::get_kept_comdat_section): New function.
11002         (Relobj::comdat_groups_): New field.
11003         (Relobj::kept_comdat_sections_): New field.
11004         (Symbol_value::input_value): Update comment.
11005         (Sized_relobj::map_to_kept_section) New function.
11006         (Sized_relobj::include_linkonce_section): Add new parameter.
11007         * target-reloc.h (Comdat_behavior): New type.
11008         (get_comdat_behavior): New function.
11009         (relocate_section): Add code to map a discarded section to the
11010         corresponding kept section when applying a relocation.
11011
11012 2008-04-30  Craig Silverstein  <csilvers@google.com>
11013
11014         * dwarf_reader.cc (next_generation_count): New static var.
11015         (Addr2line_cache_entry): New struct.
11016         (addr2line_cache): New static var.
11017         (Dwarf_line_info::one_addr2line): Added caching.
11018         (Dwarf_line_info::clear_addr2line_cache): New function.
11019         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11020         cache-size parameter.
11021         (Dwarf_line_info::one_addr2line_cache): New function.
11022         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11023         new cache-size argument to one_addr2line(), and clear cache.
11024
11025 2008-04-28  Cary Coutant  <ccoutant@google.com>
11026
11027         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11028         R_386_PC8 relocations.
11029
11030 2008-04-23  Ian Lance Taylor  <iant@google.com>
11031
11032         * object.cc (Sized_relobj::include_section_group): Check for
11033         invalid section group.
11034
11035         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11036         header size.
11037
11038         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11039         than read for file header.
11040         * archive.cc (Archive::include_member): Likewise.
11041
11042 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11043
11044         * aclocal.m4: Regenerate.
11045         * configure: Regenerate.
11046
11047 2008-04-19  Ian Lance Taylor  <iant@google.com>
11048
11049         * version.cc (version_string): Bump to 1.6.
11050
11051         * testsuite/Makefile.am (many_sections_r_test): New target.
11052         (many_sections_r_test_SOURCES): Remove.
11053         (many_sections_r_test_DEPENDENCIES): Remove.
11054         (many_sections_r_test_LDFLAGS): Remove.
11055         (many_sections_r_test_LDADD): Remove.
11056
11057         * object.cc (Sized_relobj::do_add_symbols): Always pass
11058         local_symbol_count_ to add_from_relobj.
11059
11060         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11061         every thousand variables.
11062         * testsuite/Makefile.in: Rebuild.
11063
11064         * object.cc (Xindex::initialize_symtab_xindex): New function.
11065         (Xindex::read_symtab_xindex): New function.
11066         (Xindex::sym_xindex_to_shndx): New function.
11067         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11068         available.
11069         (Sized_relobj::do_initialize_xindex): New function.
11070         (Sized_relobj::do_read_symbols): Adjust section links.
11071         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11072         parameter.  Change all callers.
11073         (Sized_relobj::include_section_group): Adjust section links and
11074         symbol section indexes.
11075         (Sized_relobj::do_layout): Adjust section links.
11076         (Sized_relobj::do_count_local_symbols): Adjust section links and
11077         symbol section indexes.
11078         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11079         ordinary and special symbols.
11080         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11081         dynsym_xindex parameters.  Change all callers.  Adjust section
11082         links.  Use SHN_XINDEX when needed.
11083         (Sized_relobj::get_symbol_location_info): Adjust section links.
11084         Don't get fooled by special symbols.
11085         * object.h (class Xindex): Define.
11086         (class Object): Add xindex_ parameter.  Declare virtual functoin
11087         do_initialize_xindex.
11088         (Object::adjust_sym_shndx): New function.
11089         (Object::set_xindex): New protected function.
11090         (class Symbol_value): Add is_ordinary_shndx_ field.
11091         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11092         (Symbol_value::value): Assert ordinary section.
11093         (Symbol_value::initialize_input_to_output_map): Likewise.
11094         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11095         Change all callers.
11096         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11097         all callers.
11098         (class Sized_relobj): Update declarations.
11099         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11100         parameter.  Change all callers.
11101         (Sized_relobj::adjust_shndx): New function.
11102         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11103         field.
11104         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11105         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11106         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11107         (Sized_dynobj::read_dynsym_section): Adjust section links.
11108         (Sized_dynobj::read_dynamic): Likewise.
11109         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11110         section links.
11111         (Sized_dynobj::do_initialize_xindex): New function.
11112         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11113         do_initialize_xindex.
11114         (Sized_dynobj::adjust_shndx): New function.
11115         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11116         dynsym_xindex_ fields.
11117         (Layout::finalize): Add a call to set_section_indexes before
11118         creating the symtab sections.
11119         (Layout::set_section_indexes): Don't do anything if the section
11120         already has a section index.
11121         (Layout::create_symtab_sections): Add shnum parameter.  Change
11122         caller.  Create .symtab_shndx section if needed.
11123         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11124         caller.
11125         (Layout::allocated_output_section_count): New function.
11126         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11127         needed.
11128         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11129         fields.  Update declarations.
11130         (Layout::symtab_xindex): New function.
11131         (Layout::dynsym_xindex): New function.
11132         (class Write_symbols_task): Add layout_ field.
11133         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11134         Change caller.
11135         * output.cc (Output_section_headers::Output_section_headers): Add
11136         shstrtab_section parameter.  Change all callers.
11137         (Output_section_headers::do_sized_write): Store overflow values
11138         for section count and section string table section index in
11139         section header zero.
11140         (Output_file_header::do_sized_write): Check for overflow of
11141         section count and section string table section index.
11142         (Output_symtab_xindex::do_write): New function.
11143         (Output_symtab_xindex::endian_do_write): New function.
11144         * output.h (class Output_section_headers): Add shstrtab_section_.
11145         Update declarations.
11146         (class Output_symtab_xindex): Define.
11147         (Output_section::has_out_shndx): New function.
11148         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11149         field.
11150         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11151         Change all callers.
11152         (Sized_symbol::init): Likewise.
11153         (Symbol::output_section): Check for ordinary symbol.
11154         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11155         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11156         callers.
11157         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11158         Change all callers.  Simplify handling of symbols from sections
11159         not included in the link.
11160         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11161         distinction.
11162         (Weak_alias_sorter::operator()): Assert that symbols are
11163         ordinary.
11164         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11165         distinction.
11166         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11167         parameters.  Change all callers.
11168         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11169         symbol distinction.  Use SHN_XINDEX when needed.
11170         (Symbol_table::write_section_symbol): Add symtab_xindex
11171         parameter.  Change all callers.
11172         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11173         SHN_XINDEX when needed.
11174         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11175         declarations.
11176         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11177         (Symbol::is_defined): Check is_ordinary.
11178         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11179         (Symbol::is_absolute, Symbol::is_common): Likewise.
11180         (class Sized_symbol): Update declarations.
11181         (class Symbol_table): Update declarations.
11182         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11183         parameters.  Change all callers.
11184         (Sized_symbol::override): Likewise.
11185         (Symbol_table::override): Likewise.
11186         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11187         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11188         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11189         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11190         to be in an ordinary section.
11191         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11192         object and is_ordinary parameters.  Change all callers.
11193         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11194         Change all callers.  Don't add undefined or non-ordinary symbols
11195         to reloc_map_.
11196         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11197         Change all callers.
11198         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11199         declarations.
11200         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11201         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11202         (Sized_relobj::relocate_sections): Likewise.
11203         * target-reloc.h (scan_relocs): Adjust section symbol index.
11204         (scan_relocatable_relocs): Likewise.
11205         * i386.cc (Scan::local): Check for ordinary symbols.
11206         * sparc.cc (Scan::local): Likewise.
11207         * x86_64.cc (Scan::local): Likewise.
11208         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11209         to symbol_section_and_value.
11210         * testsuite/many_sections_test.cc: New file.
11211         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11212         (check_PROGRAMS): Add many_sections_test.
11213         (many_sections_test_SOURCES): Define.
11214         (many_sections_test_DEPENDENCIES): Define.
11215         (many_sections_test_LDFLAGS): Define.
11216         (BUILT_SOURCES): Add many_sections_define.h.
11217         (many_sections_define.h): New target.
11218         (BUILT_SOURCES): Add many_sections_check.h.
11219         (many_sections_check.h): New target.
11220         (check_PROGRAMS): Add many_sections_r_test.
11221         (many_sections_r_test_SOURCES): Define.
11222         (many_sections_r_test_DEPENDENCIES): Define.
11223         (many_sections_r_test_LDFLAGS): Define.
11224         (many_sections_r_test_LDADD): Define.
11225         (many_sections_r_test.o): New target.
11226         * testsuite/Makefile.in: Rebuild.
11227
11228 2008-04-17  Cary Coutant  <ccoutant@google.com>
11229
11230         * errors.cc (Errors::info): New function.
11231         (gold_info): New function.
11232         * errors.h (Errors::info): New function.
11233         * gold.h (gold_info): New function.
11234         * object.cc (Input_objects::add_object): Print trace output.
11235         * options.cc (options::parse_set): New function.
11236         (General_options::parse_wrap): Deleted.
11237         (General_options::General_options): Deleted initializer.
11238         * options.h (options::String_set): New typedef.
11239         (options::parse_set): New function.
11240         (DEFINE_set): New macro.
11241         (General_options::wrap): Changed to use DEFINE_set. Changed
11242         callers of any_wrap_symbols and is_wrap_symbol.
11243         (General_options::trace, General_options::trace_symbol):
11244         New options.
11245         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11246         (General_options::wrap_symbols_): Deleted.
11247         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11248
11249 2008-04-17  David S. Miller  <davem@davemloft.net>
11250
11251         * options.cc (General_options::parse_V): New function.
11252         * options.h: Add entries for -V and -Qy.
11253
11254 2008-04-17  Ian Lance Taylor  <iant@google.com>
11255
11256         * common.cc (Symbol_table::allocate_commons): Remove options
11257         parameter.  Change caller.
11258         (Symbol_table::do_allocate_commons): Remove options parameter.
11259         Change caller.  Just call do_allocate_commons_list twice.
11260         (Symbol_table::do_allocate_commons_list): New function, broken out
11261         of do_allocate_commons.
11262         * common.h (class Allocate_commons_task): Remove options_ field.
11263         Update constructor.
11264         * symtab.cc (Symbol_table::Symbol_table): Initialize
11265         tls_commons_.
11266         (Symbol_table::add_from_object): Put TLS common symbols on
11267         tls_commons_ list.
11268         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11269         which are IN_OUTPUT_DATA.
11270         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11271         allocate_commons and do_allocate_commons declarations.  Declare
11272         do_allocate_commons_list.
11273         * gold.cc (queue_middle_tasks): Update creation of
11274         Allocate_commons_task to not pass options.
11275         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11276         (TLS_TEST_C_FLAGS): New variable.
11277         (tls_test_c_pic.o): New target.
11278         (tls_test_shared.so): Link in tls_test_c_pic.o.
11279         (tls_test_c_pic_ie.o): New target.
11280         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11281         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11282         (tls_test_c.o): New target.
11283         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11284         (tls_pic_test_LDADD): Likewise.
11285         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11286         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11287         (tls_test_c_gnu2.o): New target.
11288         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11289         tls_test_c_gnu2.o.
11290         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11291         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11292         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11293         * testsuite/tls_test.cc: Include "config.h".
11294         (t_last): Call t11_last.
11295         * testsuite/tls_test.h (t11, t11_last): Declare.
11296         * testsuite/tls_test_c.c: New file.
11297         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11298         * configure.ac: Check for OpenMP support.
11299         * configure, config.in, Makefile.in: Rebuild.
11300         * testsuite/Makefile.in: Rebuild.
11301
11302 2008-04-16  Cary Coutant  <ccoutant@google.com>
11303
11304         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11305         (Target_i386::tls_base_symbol_defined_): New field.
11306         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11307         (Target_i386::Scan::global): Likewise.
11308         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11309         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11310         (Target_x86_64::tls_base_symbol_defined_): New field.
11311         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11312         (Target_x86_64::Scan::global): Likewise.
11313
11314 2008-04-16  Cary Coutant  <ccoutant@google.com>
11315
11316         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11317         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11318         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11319         building shared libraries.
11320         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11321         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11322         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11323         * testsuite/Makefile.in: Rebuild.
11324         * testsuite/weak_undef.h: New file.
11325         * testsuite/weak_undef_file1.cc: Add extra test cases.
11326         * testsuite/weak_undef_file2.cc: Likewise.
11327         * testsuite/weak_undef_test.cc: Likewise.
11328
11329 2008-04-16  David S. Miller  <davem@davemloft.net>
11330
11331         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11332         Add issued_non_pic_error_ field.  Declare check_non_pic.
11333         (Target_sparc::Scan::check_non_pic): New function.
11334         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11335         (Target_sparc::Scan::global): Likewise.
11336
11337         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11338         * configure: Rebuild.
11339
11340         * options.h (DEFINE_enable): New macro.
11341         (new_dtags): New enable option.
11342         (initfirst, interpose, loadfltr, nodefaultlib,
11343         nodelete, nodlopen, nodump): New -z options.
11344         * layout.cc (Layout:finish_dynamic_section): If new
11345         dtags enabled, emit DT_RUNPATH.  Also, emit a
11346         DT_FLAGS_1 containing any specified -z flags.
11347
11348 2008-04-16  Ian Lance Taylor  <iant@google.com>
11349
11350         * copy-relocs.cc: New file.
11351         * copy-relocs.h: New file.
11352         * reloc.cc: Remove Copy_relocs code.
11353         * reloc.h: Likewise.
11354         * reloc-types.h (struct Reloc_types) [both versions]: Add
11355         get_reloc_addend_noerror.
11356         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11357         variants of add_global which take an addend which must be zero.
11358         * i386.cc: Include "copy-relocs.h".
11359         (class Target_i386): Change type of copy_relocs_ to variable,
11360         update initializer.
11361         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11362         Change all callers.
11363         (Target_i386::do_finalize_sections): Change handling of
11364         copy_relocs_.
11365         * sparc.cc: Include "copy-relocs.h".
11366         (class Target_sparc): Change type of copy_relocs_ to variable,
11367         update initializer.
11368         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11369         Change all callers.
11370         (Target_sparc::do_finalize_sections): Change handling of
11371         copy_relocs_.
11372         * x86_64.cc: Include "copy-relocs.h".
11373         (class Target_x86_64): Change type of copy_relocs_ to variable,
11374         update initializer.
11375         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11376         class.  Change all callers.
11377         (Target_x86_64::do_finalize_sections): Change handling of
11378         copy_relocs_.
11379         * Makefile.am (CCFILES): Add copy-relocs.cc.
11380         (HFILES): Add copy-relocs.h.
11381
11382         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11383
11384         * testsuite/script_test_4.sh: Permit leading zeroes.
11385
11386 2008-04-15  Ian Lance Taylor  <iant@google.com>
11387
11388         * script-sections.cc (Script_sections::create_segments): Use
11389         header_size_adjustment even when there is enough room for the
11390         headers.
11391         * testsuite/script_test_4.sh: New file.
11392         * testsuite/script_test_4.t: New file.
11393         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11394         (check_DATA): Add script_test_4.stdout.
11395         (MOSTLYCLEANFILES): Likewise.
11396         (script_test_4): New target.
11397         (script_test_4.stdout): New target.
11398         * testsuite/Makefile.in: Rebuild.
11399
11400         * sparc.cc: Add definitions for Output_data_plt_sparc class
11401         constants.
11402
11403 2008-04-14  David S. Miller  <davem@davemloft.net>
11404
11405         * sparc.cc: New file.
11406         * Makefile.am (TARGETSOURCES): Add sparc.cc
11407         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11408         * configure.tgt: Document targ_extra_size and
11409         targ_extra_big_endian.  Add entries for sparc-* and
11410         sparc64-*.
11411         * configure.ac: Handle targ_extra_size and
11412         targ_extra_big_endian.
11413         * Makefile.in: Rebuild.
11414         * configure: Likewise.
11415         * po/POTFILES.in: Likewise.
11416         * po/gold.pot: Likewise.
11417
11418 2008-04-14  Ian Lance Taylor  <iant@google.com>
11419
11420         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11421         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11422         in the name/type/flags to section mapping.  Don't call
11423         allocate_output_section.
11424         (Layout::choose_output_section): Change parameter from adjust_name
11425         to is_input_section.  Don't permit input sections after sections
11426         are attached to segments.  Don't call allocate_output_section.
11427         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11428         not write_enable_output_section.
11429         (Layout::make_output_section): Don't push to
11430         unattached_section_list_ nor call attach_to_segment.  Call
11431         attach_section_to_segment if sections are attached.
11432         (Layout::attach_sections_to_segments): New function.
11433         (Layout::attach_section_to_segment): New function.
11434         (Layout::attach_allocated_section_to_segment): Rename from
11435         attach_to_segment.  Remove flags parameter.
11436         (Layout::allocate_output_section): Remove function.
11437         (Layout::write_enable_output_section): Remove function.
11438         * layout.h (class Layout): Update for above changes.  Add new
11439         field sections_are_attached_.
11440         * output.h (Output_section::update_flags_for_input_section): New
11441         function.
11442         * output.cc (Output_section::add_input_section): Call
11443         update_flags_for_input_section.
11444         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11445
11446 2008-04-11  Cary Coutant  <ccoutant@google.com>
11447
11448         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11449         thought unnecessary.
11450         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11451
11452 2008-04-11  Ian Lance Taylor  <iant@google.com>
11453
11454         * output.h (class Output_section_data): Remove inline definition
11455         of set_addralign.
11456         * output.cc (Output_section_data::set_addralign): New function.
11457
11458 2008-04-11  Cary Coutant  <ccoutant@google.com>
11459
11460         Add support for TLS descriptors for i386 and x86_64.
11461         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11462         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11463         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11464         GOT_TYPE_TLS_DESC.
11465         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11466         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11467         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11468         relocations.
11469         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11470         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11471         Fix problem with initial-exec relocations.
11472         (Target_i386::Relocate::relocate_tls): Likewise.
11473         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11474         relaxation.
11475         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11476         support for section-plus-offset dynamic table entries.
11477         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11478         (Output_data_dynamic::Dynamic_entry): Add support for
11479         section-plus-offset dynamic table entries.
11480         (Output_data_dynamic::Classification): Likewise.
11481         (Output_data_dynamic::classification_): Renamed offset_.
11482         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11483         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11484         (Target_x86_64::make_plt_section): New function.
11485         (Target_x86_64::reserve_tlsdesc_entries): New function.
11486         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11487         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11488         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11489         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11490         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11491         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11492         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11493         add extra PLT entry for TLS descriptors.
11494         (Output_data_plt_x86_64::got_): New field.
11495         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11496         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11497         fields.
11498         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11499         descriptors.
11500         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11501         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11502         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11503         R_386_TLS_DESC_CALL relocations.
11504         (Target_x86_64::Scan::global): Likewise.
11505         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11506         for TLS descriptors.
11507         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11508         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11509         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11510         GD-to-IE relaxation.
11511         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11512         and TLS_DESCRIPTORS.
11513         * Makefile.in: Rebuild.
11514         * configure: Rebuild.
11515         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11516         (tls_test_shared2.so): New target.
11517         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11518         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11519         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11520         (tls_shared_gd_to_ie_test_LDADD): New variable.
11521         (tls_shared_gnu2_gd_to_ie_test): New target.
11522         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11523         New targets.
11524         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11525         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11526         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11527         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11528         (tls_shared_gnu2_test): New target.
11529         (tls_test_gnu2_shared.so): New target.
11530         (tls_shared_gnu2_test_SOURCES): New variable.
11531         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11532         (tls_shared_gnu2_test_LDFLAGS): New variable.
11533         (tls_shared_gnu2_test_LDADD): New variable.
11534         * testsuite/Makefile.in: Rebuild.
11535         * testsuite/Makefile.
11536
11537 2008-04-11  Ian Lance Taylor  <iant@google.com>
11538
11539         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11540         justsyms.t.
11541         * testsuite/Makefile.in: Rebuild.
11542
11543         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11544         long.
11545         * testsuite/script_test_2.cc (main): Adjust test.
11546
11547 2008-04-11  David S. Miller  <davem@davemloft.net>
11548             Ian Lance Taylor  <iant@google.com>
11549
11550         * options.h (General_options): Add entries for '-Y' and
11551         '-relax'.
11552         * options.cc (General_options:finalize): If -Y was used, add those
11553         entries to the library path instead of the default "/lib" and
11554         "/usr/lib".
11555
11556 2008-04-11  David S. Miller  <davem@davemloft.net>
11557
11558         * testsuite/justsyms.t: Start at 0x100.
11559         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11560         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11561         long.
11562         * testsuite/script_test_2.cc: Adjust string and section length
11563         checks.
11564
11565 2008-04-09  Ian Lance Taylor  <iant@google.com>
11566
11567         PR gold/5996
11568         * script-sections.cc (Sections_element::allocate_to_segment): Add
11569         orphan parameter.
11570         (Output_section_definition::allocate_to_segment): Likewise.
11571         (Orphan_output_section::allocate_to_segment): Likewise.
11572         (Script_sections::attach_sections_using_phdrs_clause): Don't
11573         propagate non-PT_LOAD segments to orphan sections.
11574         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11575         readelf rather than objdump.
11576         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11577         .interp section and PT_INTERP segment are the same size.
11578         * testsuite/Makefile.in: Rebuild.
11579
11580         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11581         aliases for symbols defined in the same object.
11582         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11583         (weak_alias_test_SOURCES): New variable.
11584         (weak_alias_test_DEPENDENCIES): New variable.
11585         (weak_alias_test_LDFLAGS): New variable.
11586         (weak_alias_test_LDADD): New variable.
11587         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11588         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11589         (weak_alias_test_3.o): New target.
11590         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11591         * testsuite/weak_alias_test_main.cc: New file.
11592         * testsuite/weak_alias_test_1.cc: New file.
11593         * testsuite/weak_alias_test_2.cc: New file.
11594         * testsuite/weak_alias_test_3.cc: New file.
11595
11596 2008-04-08  Ian Lance Taylor  <iant@google.com>
11597
11598         * options.h (class General_options): Add --noinhibit-exec option.
11599         * main.cc (main): Check --noinhibit-exec.
11600
11601         * options.h (class General_options): Define --wrap as a special
11602         option.  Add wrap_symbols_ field.
11603         (General_options::any_wrap_symbols): New function.
11604         (General_options::is_wrap_symbol): New function.
11605         * options.cc (General_options::parse_wrap): New function.
11606         (General_options::General_options): Initialize wrap_symbols_.
11607         * symtab.cc (Symbol_table::wrap_symbol): New function.
11608         (Symbol_table::add_from_object): Handle --wrap.
11609         * symtab.h (class Symbol_table): Declare wrap_symbol.
11610         * target.h (Target::wrap_char): New function.
11611         (Target::Target_info): Add wrap_char field.
11612         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11613         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11614         * testsuite/testfile.cc (Target_test::test_target_info):
11615         Likewise.
11616
11617         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11618         there is one.
11619
11620         * layout.h (class Layout): Add added_eh_frame_data_ field.
11621         * layout.cc (Layout::Layout): Initialize new field.
11622         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11623         output section until we find a section we merged successfully.
11624         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11625         that the size be non-zero.
11626
11627         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11628         qualifier.
11629
11630 2008-04-08  Craig Silverstein  <csilvers@google.com>
11631
11632         * configure.ac: Export new conditional variable HAVE_ZLIB.
11633         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11634         on HAVE_ZLIB.
11635         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11636         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11637
11638 2008-04-07  Ian Lance Taylor  <iant@google.com>
11639
11640         * version.cc (version_string): Set to "1.5".
11641
11642         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11643         Add issued_non_pic_error_ field.  Declare check_non_pic.
11644         (Target_x86_64::Scan::check_non_pic): New function.
11645         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11646         (Target_x86_64::Scan::global): Likewise.
11647
11648         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11649         addend parameter.  Change caller.  Handle merge sections.
11650         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11651         Address to Addend.  Don't add in the result of
11652         local_section_offset, pass down the addend and use the returned
11653         value.
11654         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11655         Update declarations of local_section_offset and symbol_value.
11656         * testsuite/two_file_test_1.cc (t18): New function.
11657         * testsuite/two_file_test_2.cc (f18): New function.
11658         * testsuite/two_file_test_main.cc (main): Call t18.
11659         * testsuite/two_file_test.h (t18, f18): Declare.
11660
11661         * configure.ac: Don't test for objdump, c++filt, or readelf.
11662         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11663         conditionals.
11664         (TEST_READELF): New variable.
11665         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11666         (check_PROGRAMS): Add two_file_strip_test.
11667         (two_file_strip_test): New target.
11668         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11669         (two_file_same_shared_strip_test_SOURCES): New variable.
11670         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11671         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11672         (two_file_same_shared_strip_test_LDADD): New variable.
11673         (two_file_shared_strip.so): New target.
11674         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11675         (ver_test_5.syms, ver_test_7.syms): Likewise.
11676         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11677         (strip_test_3.stdout): Use TEST_OBJDUMP.
11678         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11679
11680 2008-04-04  Cary Coutant  <ccoutant@google.com>
11681
11682         * symtab.h (Symbol::is_weak_undefined): New function.
11683         (Symbol::is_strong_undefined): New function.
11684         (Symbol::is_absolute): New function.
11685         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11686         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11687         absolute symbols.
11688         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11689         (weak_undef_test): New target.
11690         * testsuite/Makefile.in: Rebuild.
11691         * testsuite/weak_undef_file1.cc: New file.
11692         * testsuite/weak_undef_file2.cc: New file.
11693         * testsuite/weak_undef_test.cc: New file.
11694
11695 2008-04-03  Craig Silverstein  <csilvers@google.com>
11696
11697         * compressed_output.h (class Output_compressed_section): Use
11698         unsigned buffer.
11699         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11700         add zlib header.
11701         (zlib_compressed_suffix): Removed.
11702         (Output_compressed_section::set_final_data_size): Use unsigned
11703         buffers.
11704         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11705         Fix linker invocation.
11706         (flagstest_o_specialfile_and_compress_debug_sections):
11707         Likewise.
11708         * testsuite/Makefile.in: Regenerated.
11709
11710 2008-04-02  David S. Miller  <davem@davemloft.net>
11711
11712         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11713         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11714
11715 2008-04-02  Craig Silverstein  <csilvers@google.com>
11716
11717         * TODO: New file.
11718
11719 2008-04-02  Ian Lance Taylor  <iant@google.com>
11720
11721         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11722         parameters.  Update for new key type to views_.  Change all
11723         callers.
11724         (File_read::read): Adjust for byteshift in returned view.
11725         (File_read::add_view): New function, broken out of
11726         find_and_make_view.
11727         (File_read::make_view): New function, broken out of
11728         find_and_make_view.
11729         (File_read::find_or_make_view): Add offset and aligned
11730         parameters.  Rewrite accordingly.  Change all callers.
11731         (File_read::get_view): Add offset and aligned parameters.  Adjust
11732         for byteshift in return value.
11733         (File_read::get_lasting_view): Likewise.
11734         * fileread.h (class File_read): Update declarations.
11735         (class File_read::View): Add byteshift_ field.  Add byteshift to
11736         constructor.  Add byteshift method.
11737         * archive.h (Archive::clear_uncached_views): New function.
11738         (Archive::get_view): Add aligned parameter.  Change all callers.
11739         * object.h (Object::get_view): Add aligned parameter.  Change all
11740         callers.
11741         (Object::get_lasting_view): Likewise.
11742
11743         * fileread.cc (File_read::release): Don't call clear_views if
11744         there are multiple objects.
11745         * fileread.h (File_read::clear_uncached_views): New function.
11746         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11747         on the archive.
11748
11749 2008-03-31  Cary Coutant  <ccoutant@google.com>
11750
11751         Add thin archive support.
11752         * archive.cc (Archive::armagt): New const.
11753         (Archive::setup): Remove task parameter and calls to unlock.
11754         (Archive::unlock_nested_archives): New function.
11755         (Archive::read_header): Add nested_off parameter. Change
11756         all callers.
11757         (Archive::interpret_header): Likewise.
11758         (Archive::include_all_members): Change to handle thin
11759         archives.
11760         (Archive::include_member): Likewise.
11761         * archive.h (Archive::Archive): Add new parameters and
11762         initializers.
11763         (Archive::armagt): New const.
11764         (Archive::setup): Remove task parameter.
11765         (Archive::unlock_nested_archives): New function.
11766         (Archive::read_header): Add nested_off parameter.
11767         (Archive::interpret_header): Likewise.
11768         (Archive::Nested_archive_table): New typedef.
11769         (Archive::is_thin_archive_): New field.
11770         (Archive::nested_archives_): New field.
11771         (Archive::options_): New field.
11772         (Archive::dirpath_): New field.
11773         (Archive::task_): New field.
11774         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11775         for thin archives.  Pass additional parameters to
11776         Archive::Archive.  Unlock the archive file after calling
11777         Archive::setup.
11778
11779 2008-03-29  Ian Lance Taylor  <iant@google.com>
11780
11781         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11782         version symbol to be local.
11783         * testsuite/ver_test_4.sh: New file.
11784         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11785         (check_DATA): Add ver_test_4.syms.
11786         (ver_test_4.syms): New target.
11787         * testsuite/Makefile.in: Rebuild.
11788
11789         * output.cc
11790         (Output_section::Input_section_sort_entry::has_priority): New
11791         function.
11792         (Output_section::Input_section_sort_entry::match_file_name): New
11793         function.
11794         (Output_section::Input_section_sort_entry::match_section_name):
11795         Remove.
11796         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11797         Remove.
11798         (Output_section::Input_section_sort_entry::match_section_file):
11799         Remove.
11800         (Output_section::Input_section_sort_compare::operator()): Rewrite
11801         using new Input_section_sort_entry functions.  Sort crtbegin and
11802         crtend first.  Sort sections with no priority before sections with
11803         a priority.
11804         * testsuite/initpri1.c (d3): Check j != 4.
11805         (cd5): New constructor/destructor function.
11806         (main): Check j != 2.
11807
11808         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11809         new symbol when resolving, don't call set_is_default.
11810         * testsuite/ver_test_7.cc: New file.
11811         * testsuite/ver_test_7.sh: New file.
11812         * testsuite/Makefile.am (ver_test_7.so): New target.
11813         (ver_test_7.o): New target.
11814         (check_SCRIPTS): Add ver_test_7.sh.
11815         (check_DATA): Add ver_test_7.syms.
11816         (ver_test_7.syms): New target.
11817
11818 2008-03-28  Ian Lance Taylor  <iant@google.com>
11819
11820         * layout.cc (Layout::layout): If we see an input section with a
11821         name that needs sorting, set the must_sort flag for the output
11822         section.
11823         (Layout::make_output_section): If the name of the output section
11824         indicates that it might require sorting, set the may_sort flag.
11825         * output.h (Output_section::may_sort_attached_input_sections): New
11826         function.
11827         (Output_section::set_may_sort_attached_input_sections): New
11828         function.
11829         (Output_section::must_sort_attached_input_sections): New
11830         function.
11831         (Output_section::set_must_sort_attached_input_sections): New
11832         function.
11833         (class Output_section): Declare Input_section_sort_entry.  Define
11834         Input_section_sort_compare.  Declare
11835         sort_attached_input_sections.  Add new fields:
11836         may_sort_attached_input_sections_,
11837         must_sort_attached_input_sections_,
11838         attached_input_sections_are_sorted_.
11839         * output.cc (Output_section::Output_section): Initialize new
11840         fields.
11841         (Output_section::add_input_section): Add an entry to
11842         input_sections_ if may_sort or must_sort are true.
11843         (Output_section::set_final_data_size): Call
11844         sort_attached_input_sections if necessary.
11845         (Output_section::Input_section_sort_entry): Define new class.
11846         (Output_section::Input_section_sort_compare::operator()): New
11847         function.
11848         (Output_section::sort_attached_input_sections): New function.
11849         * configure.ac: Check whether the compiler supports constructor
11850         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11851         * testsuite/initpri1.c: New file.
11852         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11853         CONSTRUCTOR_PRIORITY.
11854         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11855         (initpri1_LDFLAGS): New variable.
11856         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11857
11858 2008-03-27  Ian Lance Taylor  <iant@google.com>
11859
11860         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11861         * testsuite/common_test_1.c: New file.
11862         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11863         (common_test_1_SOURCES): New variable.
11864         (common_test_1_DEPENDENCIES): New variable.
11865         (common_test_1_LDFLAGS): New variable.
11866
11867         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11868         and commons_ correctly when NAME/VERSION does not override
11869         NAME/NULL.
11870         * testsuite/ver_test_6.c: New file.
11871         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11872         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11873         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11874
11875 2008-03-26  Ian Lance Taylor  <iant@google.com>
11876
11877         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11878         of an undefined symbol from a version script.
11879         * testsuite/Makefile.am (ver_test_5.so): New target.
11880         (ver_test_5.o): New target.
11881         (check_SCRIPTS): Add ver_test_5.sh.
11882         (check_DATA): Add ver_test_5.syms.
11883         (ver_test_5.syms): New target.
11884         * testsuite/ver_test_5.cc: New file.
11885         * testsuite/ver_test_5.script: New file.
11886         * testsuite/ver_test_5.sh: New file.
11887         * Makefile.in, testsuite/Makefile.in: Rebuild.
11888
11889         PR gold/5986
11890         Fix problems building gold with gcc 4.3.0.
11891         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11892         (gold_error_at_location, gold_warning_at_location): Use it.
11893         * configure.ac: Check whether we can compile and use a template
11894         function with a printf attribute.
11895         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11896         when jumping over bytes.
11897         * object.cc: Instantiate Object::read_section_data.
11898         * debug.h: Include <cstring>
11899         * dwarf_reader.cc: Include <algorithm>
11900         * main.cc: Include <cstring>.
11901         * options.cc: Include <cstring>.
11902         * output.cc: Include <cstring>.
11903         * script.cc: Include <cstring>.
11904         * script.h: Include <string>.
11905         * symtab.cc: Include <cstring> and <algorithm>.
11906         * target-select.cc: Include <cstring>.
11907         * version.cc: Include <string>.
11908         * testsuite/testmain.cc: Include <cstdlib>.
11909         * configure, config.in: Rebuild.
11910
11911 2008-03-25  Ian Lance Taylor  <iant@google.com>
11912
11913         * options.cc: Include "../bfd/bfdver.h".
11914         (options::help): Print bug reporting address.
11915
11916         * version.cc (print_version): Adjust output for current value of
11917         BFD_VERSION_STRING.
11918
11919         * NEWS: New file.
11920
11921         * options.cc (options::help): Print list of supported targets.
11922         * target-select.h: Include <vector>.
11923         (class Target_selector): Make machine_, size_, and is_big_endian_
11924         fields const.  Add bfd_name_ and instantiated_target_ fields.
11925         (Target_selector::Target_selector): Add bfd_name parameter.
11926         (Target_selector::recognize): Make non-virtual, call
11927         do_recognize.
11928         (Target_selector::recognize_by_name): Make non-virtual, call
11929         do_recognize_by_name.
11930         (Target_selector::supported_names): New function.
11931         (Target_selector::bfd_name): New function.
11932         (Target_selector::do_instantiate_target): New pure virtual
11933         function.
11934         (Target_selector::do_recognize): New virtual function.
11935         (Target_selector::do_recognize_by_name): New virtual function.
11936         (Target_selector::instantiate_target): New private function.
11937         (supported_target_names): Declare.
11938         * target-select.cc (Target_selector::Target_selector): Update for
11939         new parameter and fields.
11940         (select_target_by_name): Check that the name matches before
11941         calling recognize_by_name.
11942         (supported_target_names): New function.
11943         * i386.cc (class Target_selector_i386): Update Target_selector
11944         constructor call.  Remove recognize and recognize_by_name.  Add
11945         do_instantiate_target.
11946         * x86_64.cc (class Target_selector_x86_64): Likewise.
11947         * testsuite/testfile.cc (class Target_selector_test): Update for
11948         changes to Target_selector.
11949
11950         * README: Rewrite, with some notes on unsupported features.
11951
11952 2008-03-24  Cary Coutant  <ccoutant@google.com>
11953
11954         * i386.cc (Target_i386::Got_type): New enum declaration.
11955         (Target_i386::Scan::local): Updated callers of Output_data_got
11956         member functions.
11957         (Target_i386::Scan::global): Likewise.
11958         (Target_i386::Relocate::relocate): Likewise.
11959         (Target_i386::Relocate::relocate_tls): Likewise.
11960         * object.h (Got_offset_list): New class.
11961         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11962         (Sized_relobj::local_got_offset): Likewise.
11963         (Sized_relobj::set_local_got_offset): Likewise.
11964         (Sized_relobj::local_has_tls_got_offset): Removed.
11965         (Sized_relobj::local_tls_got_offset): Removed.
11966         (Sized_relobj::set_local_tls_got_offset): Removed.
11967         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11968         * output.cc (Output_data_got::add_global): Added got_type parameter.
11969         (Output_data_got::add_global_with_rel): Likewise.
11970         (Output_data_got::add_global_with_rela): Likewise.
11971         (Output_data_got::add_global_pair_with_rel): New function.
11972         (Output_data_got::add_global_pair_with_rela): New function.
11973         (Output_data_got::add_local): Added got_type parameter.
11974         (Output_data_got::add_local_with_rel): Likewise.
11975         (Output_data_got::add_local_with_rela): Likewise.
11976         (Output_data_got::add_local_pair_with_rel): New function.
11977         (Output_data_got::add_local_pair_with_rela): New function.
11978         (Output_data_got::add_global_tls): Removed.
11979         (Output_data_got::add_global_tls_with_rel): Removed.
11980         (Output_data_got::add_global_tls_with_rela): Removed.
11981         (Output_data_got::add_local_tls): Removed.
11982         (Output_data_got::add_local_tls_with_rel): Removed.
11983         (Output_data_got::add_local_tls_with_rela): Removed.
11984         * output.h (Output_data_got::add_global): Added got_type parameter.
11985         (Output_data_got::add_global_with_rel): Likewise.
11986         (Output_data_got::add_global_with_rela): Likewise.
11987         (Output_data_got::add_global_pair_with_rel): New function.
11988         (Output_data_got::add_global_pair_with_rela): New function.
11989         (Output_data_got::add_local): Added got_type parameter.
11990         (Output_data_got::add_local_with_rel): Likewise.
11991         (Output_data_got::add_local_with_rela): Likewise.
11992         (Output_data_got::add_local_pair_with_rel): New function.
11993         (Output_data_got::add_local_pair_with_rela): New function.
11994         (Output_data_got::add_global_tls): Removed.
11995         (Output_data_got::add_global_tls_with_rel): Removed.
11996         (Output_data_got::add_global_tls_with_rela): Removed.
11997         (Output_data_got::add_local_tls): Removed.
11998         (Output_data_got::add_local_tls_with_rel): Removed.
11999         (Output_data_got::add_local_tls_with_rela): Removed.
12000         * resolve.cc (Symbol::override_base_with_special): Removed
12001         reference to has_got_offset_ field.
12002         * symtab.cc (Symbol::init_fields): Replaced initialization
12003         of got_offset_ with got_offsets_.  Removed initialization
12004         of has_got_offset_
12005         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12006         (Symbol::got_offset): Likewise.
12007         (Symbol::set_got_offset): Likewise.
12008         (Symbol::has_tls_got_offset): Removed.
12009         (Symbol::tls_got_offset): Removed.
12010         (Symbol::set_tls_got_offset): Removed.
12011         (Symbol::got_offset_): Removed.
12012         (Symbol::tls_mod_got_offset_): Removed.
12013         (Symbol::tls_pair_got_offset_): Removed.
12014         (Symbol::got_offsets_): New field.
12015         (Symbol::has_got_offset): Removed.
12016         (Symbol::has_tls_mod_got_offset): Removed.
12017         (Symbol::has_tls_pair_got_offset): Removed.
12018         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12019         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12020         member functions.
12021         (Target_x86_64::Scan::global): Likewise.
12022         (Target_x86_64::Relocate::relocate): Likewise.
12023         (Target_x86_64::Relocate::relocate_tls): Likewise.
12024
12025 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12026
12027         * yyscript.y: Fix spelling error in comment.
12028
12029 2008-03-24  Ian Lance Taylor  <iant@google.com>
12030
12031         * options.h (class General_options): Define build_id option.
12032         * layout.h (class Layout): Declare write_build_id, create_note,
12033         create_build_id.  Add build_id_note_ member.
12034         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12035         "libiberty.h", "md5.h", "sha1.h".
12036         (Layout::Layout): Initialize eh_frame_data_,
12037         eh_frame_hdr_section_, and build_id_note_.
12038         (Layout::finalize): Call create_build_id.
12039         (Layout::create_note): New function, broken out of
12040         Layout::create_gold_note.
12041         (Layout::create_gold_note): Call create_note.
12042         (Layout::create_build_id): New function.
12043         (Layout::write_build_id): New function.
12044         (Close_task_runner::run): Call write_build_id.
12045
12046         * x86_64.cc: Correct license to GPLv3.
12047
12048 2008-03-23  Ian Lance Taylor  <iant@google.com>
12049
12050         * options.cc: Include "demangle.h".
12051         (parse_optional_string): New function.
12052         (parse_long_option): Handle takes_optional_argument.
12053         (parse_short_option): Update dash_z initializer.  Handle
12054         takes_optional_argument.
12055         (General_options::General_options): Initialize do_demangle_.
12056         (General_options::finalize): Set do_demangle_.  Handle demangling
12057         style.
12058         * options.h (parse_optional_string): Declare.
12059         (struct One_option): Add optional_arg field.  Update constructor.
12060         Update call constructor calls.  Add takes_optional_argument
12061         function.
12062         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12063         (DEFINE_optional_string): Define.
12064         (General_options::demangle): Change from DEFINE_bool to
12065         DEFINE_optional_string.
12066         (General_options::no_demangle): New function.
12067         (General_options::do_demangle): New function.
12068         (General_options::set_do_demangle): New function.
12069         (General_options::execstack_status_): Move definition to end of
12070         class definition.
12071         (General_options::static_): Likewise.
12072         (General_options::do_demangle_): New field.
12073         * object.cc (big_endian>::get_symbol_location_info): Call
12074         Options::do_demangle, not Options::demangle.
12075         * symtab.cc (demangle): Likewise.
12076
12077 2008-03-22  Ian Lance Taylor  <iant@google.com>
12078
12079         * gold.h: Include <cstddef> and <sys/types.h>
12080         * options.h: Include <cstring>.
12081
12082 2008-03-21  Ian Lance Taylor  <iant@google.com>
12083
12084         * Added source code to GNU binutils.