gold/ChangeLog

   1 2011-10-17  Cary Coutant  <ccoutant@google.com>
   2
   3         PR gold/13288
   4         * gold/fileread.cc (File_read::find_view): Add assert.
   5         (File_read::make_view): Move bounds check (replace with assert)...
   6         (File_read::find_or_make_view): ... to here.
   7
   8 2011-10-12  Cary Coutant  <ccoutant@google.com>
   9
  10         * gold/output.cc (Output_file::open_base_file): Handle case where
  11         ::read returns less than requested size.
  12
  13 2011-10-10  Cary Coutant  <ccoutant@google.com>
  14
  15         * gold/incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  16         Initialize defined_count_.
  17         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  18         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  19         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  20         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  21         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  22         * gold/incremental.h (Sized_relobj_incr::defined_count_): New data
  23         member.
  24         (Sized_incr_dynobj::defined_count_): New data member.
  25         * gold/plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  26         Return zeroes instead of internal error.
  27
  28 2011-10-10  Cary Coutant  <ccoutant@google.com>
  29
  30         PR gold/13249
  31         * gold/output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  32         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  33         * gold/output.h (class Output_reloc): Add use_plt_offset flag.
  34         (Output_reloc::type_): Adjust size of bit field.
  35         (Output_reloc::use_plt_offset_): New bit field.
  36         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  37         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  38         flag.  Adjust all callers.
  39         * gold/x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  40         creating RELATIVE relocations.
  41
  42 2011-10-10  Nick Clifton  <nickc@redhat.com>
  43
  44         * po/es.po: Updated Spanish translation.
  45         * po/fi.po: Updated Finnish translation.
  46
  47 2011-10-03   Diego Novillo  <dnovillo@google.com>
  48
  49         * options.cc (parse_uint): Fix dereference of RETVAL.
  50
  51 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  52
  53         * layout.h (section_order_map_): New member.
  54         (get_section_order_map): New member function.
  55         * output.cc (Output_section::add_input_section): Check for patterns
  56         only when --section-ordering-file is specified.
  57         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  58         output_sections have been formed.
  59         * layout.cc (Layout_Layout): Initialize section_order_map_.
  60         * plugin.cc (update_section_order): Store order in order_map. Do not
  61         update the order.
  62         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  63         * testsuite/Makefile.in: Regenerate.
  64         * testsuite/plugin_section_order.c: New file.
  65         * testsuite/plugin_final_layout.cc: New file.
  66         * testsuite/plugin_final_layout.sh: New file.
  67
  68 2011-09-29  Cary Coutant  <ccoutant@google.com>
  69
  70         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  71         Check for NULL.
  72         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
  73         symbols during incremental update.
  74         (Symbol_table::add_from_dynobj): Likewise.
  75
  76 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  77             Ian Lance Taylor  <iant@google.com>
  78
  79         * symtab.cc (Symbol_table::define_special_symbol): Always
  80         canonicalize version string.
  81
  82 2011-09-26  Cary Coutant  <ccoutant@google.com>
  83
  84         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  85         * gold/options.cc (General_options::finalize): ... to here. Disable
  86         some options; make others fatal.
  87
  88 2011-09-26  Cary Coutant  <ccoutant@google.com>
  89
  90         gcc PR lto/47247
  91         * plugin.cc (get_symbols_v2): New function.
  92         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  93         (is_referenced_from_outside): New function.
  94         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  95         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  96         (get_symbols): Pass version parameter.
  97         (get_symbols_v2): New function.
  98         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  99         parameter.
 100         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 101         (onload): Add LDPT_GET_SYMBOLS_V2.
 102         (all_symbols_read_hook): Use get_symbols_v2; check for
 103         LDPR_PREVAILING_DEF_IRONLY_EXP.
 104         * testsuite/plugin_test_3.sh: Update expected results.
 105
 106 2011-09-23  Simon Baldwin  <simonb@google.com>
 107
 108         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 109         configuration options.
 110         * configure: Regenerate.
 111         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 112         * Makefile.in: Regenerate.
 113         * testsuite/Makefile.in: Regenerate.
 114
 115 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 116
 117         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 118
 119 2011-09-19  Cary Coutant  <ccoutant@google.com>
 120
 121         * incremental.cc (can_incremental_update): Fix typo in comment.
 122         * incremental.h (can_incremental_update): Likewise.
 123
 124 2011-09-18  Cary Coutant  <ccoutant@google.com>
 125
 126         * incremental.cc (can_incremental_update): New function.
 127         * incremental.h (can_incremental_update): New function.
 128         * layout.cc (Layout::init_fixed_output_section): Call it.
 129         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 130         * object.cc (Sized_relobj_file::do_layout): Call
 131         can_incremental_update.
 132
 133 2011-09-13  Cary Coutant  <ccoutant@google.com>
 134
 135         * configure.ac: Check for glibc support for gnu_indirect_function
 136         support with static linking, setting automake conditional
 137         IFUNC_STATIC.
 138         * Makefile.in: Regenerate.
 139         * configure: Regenerate.
 140
 141         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 142         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 143         for IFUNC_STATIC.
 144         * testsuite/Makefile.in: Regenerate.
 145
 146 2011-09-13  Cary Coutant  <ccoutant@google.com>
 147
 148         * incremental.cc (Sized_relobj_incr::do_layout): Call
 149         report_comdat_group for kept comdat sections.
 150         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 151         * testsuite/Makefile.in: Regenerate.
 152         * testsuite/incr_comdat_test_1.cc: New source file.
 153         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 154         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 155         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 156
 157 2011-09-13  Ian Lance Taylor  <iant@google.com>
 158
 159         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 160         variable external_symbols_offset.
 161
 162 2011-09-12  Ian Lance Taylor  <iant@google.com>
 163
 164         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 165         triggered if object has no symbols.
 166
 167 2011-09-09  David S. Miller  <davem@davemloft.net>
 168
 169         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 170         (Output_fill_debug_line::do_write): Likewise.
 171
 172 2011-08-29  Cary Coutant  <ccoutant@google.com>
 173
 174         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 175         casts to match formatting specs.
 176         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 177
 178 2011-08-26  Cary Coutant  <ccoutant@google.com>
 179
 180         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 181         remaining hole size when allocating.
 182         (Layout::make_output_section): Set fill methods for debug sections.
 183         * layout.h (Free_list::Free_list_node): Move from private to
 184         public.
 185         (Free_list::set_min_hole_size): New function.
 186         (Free_list::begin, Free_list::end): New functions.
 187         (Free_list::min_hole_): New data member.
 188         * output.cc: Include dwarf.h.
 189         (Output_fill_debug_info::do_minimum_hole_size): New function.
 190         (Output_fill_debug_info::do_write): New function.
 191         (Output_fill_debug_line::do_minimum_hole_size): New function.
 192         (Output_fill_debug_line::do_write): New function.
 193         (Output_section::Output_section): Initialize new data member.
 194         (Output_section::set_final_data_size): Ensure patch space is larger
 195         than minimum hole size.
 196         (Output_section::do_write): Fill holes in debug sections.
 197         * output.h (Output_fill): New class.
 198         (Output_fill_debug_info): New class.
 199         (Output_fill_debug_line): New class.
 200         (Output_section::set_free_space_fill): New function.
 201         (Output_section::free_space_fill_): New data member.
 202         * testsuite/Makefile.am (incremental_test_3): Add
 203         --incremental-patch option.
 204         (incremental_test_4): Likewise.
 205         (incremental_test_5): Likewise.
 206         (incremental_test_6): Likewise.
 207         (incremental_copy_test): Likewise.
 208         (incremental_common_test_1): Likewise.
 209         * testsuite/Makefile.in: Regenerate.
 210
 211 2011-08-26  Nick Clifton  <nickc@redhat.com>
 212
 213         * po/es.po: Updated Spanish translation.
 214
 215 2011-08-01  Cary Coutant  <ccoutant@google.com>
 216
 217         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 218         * gold/testsuite/Makefile.in: Regenerate.
 219         * gold/testsuite/justsyms_exec.c: New source file.
 220         * gold/testsuite/justsyms_lib.c: New source file.
 221
 222 2011-08-01  Cary Coutant  <ccoutant@google.com>
 223
 224         * layout.cc (Layout::set_segment_offsets): Don't realign text
 225         segment if -Ttext was specified.
 226         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 227         file type.
 228         * object.h (Sized_relobj_file::e_type): New function.
 229         (Sized_relobj_file::e_type_): New data member.
 230         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 231         base address for ET_EXEC files.
 232         * target.cc (Target::do_make_elf_object_implementation): Allow
 233         ET_EXEC files with --just-symbols option.
 234
 235 2011-07-28  Cary Coutant  <ccoutant@google.com>
 236
 237         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 238         Add thread_number parameter.
 239         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 240         * workqueue-threads.cc
 241         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 242         current thread if its thread number is greater than desired thread
 243         count.
 244         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 245         Add thread_number parameter.
 246         (Workqueue::should_cancel_thread): Likewise.
 247         (Workqueue::find_runnable_or_wait): Pass thread_number to
 248         should_cancel_thread.
 249         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 250         parameter.
 251
 252 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 253
 254         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 255         only after checking if it cannot be forced local.
 256         * symtab.h (is_externally_visible): Check if the symbol is not forced
 257         local.
 258
 259 2011-07-15  Ian Lance Taylor  <iant@google.com>
 260
 261         * options.h (class General_options): Add --print-output-format.
 262         Move -EL next to -EB, for  better --help output.
 263         * target-select.cc: Include <cstdio>, "options.h", and
 264         "parameters.h".
 265         (Target_selector::do_target_bfd_name): New function.
 266         (print_output_format): New function.
 267         * target-select.h (class Target_selector): Update declarations.
 268         (Target_selector::target_bfd_name): New function.
 269         (print_output_format): Declare.
 270         * main.cc: Include "target-select.h".
 271         (main): Handle --print-output-format.
 272         * gold.cc: Include "target-select.h".
 273         (queue_initial_tasks): Handle --print-output-format when there are
 274         no input files.
 275         * parameters.cc (parameters_force_valid_target): Give a better
 276         error message if -EB/-EL does not match target.
 277         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 278         function.
 279
 280 2011-07-15  Ian Lance Taylor  <iant@google.com>
 281
 282         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 283         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 284         (Output_data_plt_i386::do_write): Write address of .dynamic
 285         section to first entry in .got.plt section.
 286         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 287         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 288         Initialize layout_.
 289         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 290         section to first entry in .got.plt section.
 291         * layout.h (Layout::dynamic_section): New function.
 292
 293 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 294
 295         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 296         to claim_file call.
 297         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 298         input_section_position_, and input_section_glob_.
 299         (read_layout_from_file): Call function section_ordering_specified.
 300         * layout.h (is_section_ordering_specified): New function.
 301         (section_ordering_specified): New function.
 302         (section_ordering_specified_): New boolean member.
 303         * main.cc(main): Call load_plugins after layout object is defined.
 304         * output.cc (Output_section::add_input_section): Use
 305         function section_ordering_specified to check if section ordering is
 306         needed.
 307         * output.cc (Output_section::add_relaxed_input_section): Use
 308         function section_ordering_specified to check if section ordering is
 309         needed.
 310         (Output_section::update_section_layout): New function.
 311         (Output_section::sort_attached_input_sections): Check if input section
 312         must be reordered.
 313         * output.h (Output_section::update_section_layout): New function.
 314         * plugin.cc (get_section_count): New function.
 315         (get_section_type): New function.
 316         (get_section_name): New function.
 317         (get_section_contents): New function.
 318         (update_section_order): New function.
 319         (allow_section_ordering): New function.
 320         (Plugin::load): Add the new interfaces to the transfer vector.
 321         (Plugin_manager::load_plugins): New parameter.
 322         (Plugin_manager::all_symbols_read): New parameter.
 323         (Plugin_manager::claim_file): New parameter. Save the elf object for
 324         unclaimed objects.
 325         (Plugin_manager::get_elf_object): New function.
 326         (Plugin_manager::get_view): Change to directly use the bool to check
 327         if get_view is called from claim_file_hook.
 328         * plugin.h (input_objects): New function
 329         (Plugin__manager::load_plugins): New parameter.
 330         (Plugin_manager::claim_file): New parameter.
 331         (Plugin_manager::get_elf_object): New function.
 332         (Plugin_manager::in_claim_file_handler): New function.
 333         (Plugin_manager::in_claim_file_handler_): New member.
 334         (layout): New function.
 335         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 336         handler with an extra parameter. Make the elf object before calling
 337         claim_file handler.
 338         * testsuite/plugin_test.c (get_section_count): New function pointer.
 339         (get_section_type): New function pointer.
 340         (get_section_name): New function pointer.
 341         (get_section_contents): New function pointer.
 342         (update_section_order): New function pointer.
 343         (allow_section_ordering): New function pointer.
 344         (onload): Check if the new interfaces exist.
 345
 346 2011-07-13  Ian Lance Taylor  <iant@google.com>
 347
 348         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 349         relro section.
 350         * x86_64.cc (Target_x86_64::got_section): Likewise.
 351         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 352         (relro_now_test_SOURCES): New variable.
 353         (relro_now_test_DEPENDENCIES): New variable.
 354         (relro_now_test_LDFLAGS): New variable.
 355         (relro_now_test_LDADD): New variable.
 356         (relro_now_test.so): New target.
 357         * testsuite/Makefile.in: Rebuild.
 358
 359 2011-07-12  Ian Lance Taylor  <iant@google.com>
 360
 361         PR gold/12980
 362         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 363         GLOB_DAT relocation rather than a RELATIVE relocation for a
 364         protected symbol when creating a shared library.
 365         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 366         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 367         * testsuite/protected_main_1.cc (main): Test that protected
 368         function has same address.
 369
 370 2011-07-11  Ian Lance Taylor  <iant@google.com>
 371
 372         PR gold/12979
 373         * options.h (class General_options): Add -Bgroup.
 374         * options.cc (General_options::finalize): If -Bgroup is set,
 375         default to --unresolved-symbols=report-all.
 376         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 377         * target-reloc.h (issue_undefined_symbol_error): Handle
 378         --unresolved-symbols=report-all.
 379
 380 2011-07-08  Ian Lance Taylor  <iant@google.com>
 381
 382         PR gold/11985
 383         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 384         if linker script discards key sections.
 385         (Layout::create_dynamic_symtab): Likewise.
 386         (Layout::assign_local_dynsym_offsets): Likewise.
 387         (Layout::sized_create_version_sections): Likewise.
 388         (Layout::create_interp): Likewise.
 389         (Layout::finish_dynamic_section): Likewise.
 390         (Layout::set_dynamic_symbol_size): Likewise.
 391
 392 2011-07-08  Ian Lance Taylor  <iant@google.com>
 393
 394         PR gold/12386
 395         * options.h (class General_options): Add --unresolved-symbols.
 396         * target-reloc.h (issue_undefined_symbol_error): Check
 397         --unresolved-symbols.  Add comments.
 398
 399 2011-07-08  Ian Lance Taylor  <iant@google.com>
 400
 401         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 402         expression more complex.
 403
 404 2011-07-08  Ian Lance Taylor  <iant@google.com>
 405
 406         PR gold/11317
 407         * target-reloc.h (issue_undefined_symbol_error): New inline
 408         function, broken out of relocate_section.
 409         (relocate_section): Call issue_undefined_symbol_error.
 410         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 411         there is no TLS segment if we are about to issue an undefined
 412         symbol error.
 413         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 414
 415 2011-07-08  Ian Lance Taylor  <iant@google.com>
 416
 417         PR gold/12279
 418         * resolve.cc (Symbol_table::should_override): Add fromtype
 419         parameter.  Change all callers.  Give error when linking together
 420         TLS and non-TLS symbol.
 421         (Symbol_table::should_override_with_special): Add fromtype
 422         parameter.  Change all callers.
 423         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 424         there is no TLS segment if we have reported some errors.
 425         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 426
 427 2011-07-08  Ian Lance Taylor  <iant@google.com>
 428
 429         PR gold/12372
 430         * target.h (Target::plt_address_for_global): New function.
 431         (Target::plt_address_for_local): New function.
 432         (Target::plt_section_for_global): Remove.
 433         (Target::plt_section_for_local): Remove.
 434         (Target::do_plt_address_for_global): New virtual function.
 435         (Target::do_plt_address_for_local): New virtual function.
 436         (Target::do_plt_section_for_global): Remove.
 437         (Target::do_plt_section_for_local): Remove.
 438         (Target::register_global_plt_entry): Add Symbol_table and Layout
 439         parameters.
 440         * output.cc (Output_data_got::Got_entry::write): Use
 441         plt_address_for_global and plt_address_for_local.
 442         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 443         address of output section.
 444         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 445         got_irelative_, and irelative_count_ fields.  Update
 446         declarations.
 447         (Output_data_plt_i386::has_irelative_section): New function.
 448         (Output_data_plt_i386::entry_count): Add irelative_count_.
 449         (Output_data_plt_i386::set_final_data_size): Likewise.
 450         (class Target_i386): Add got_irelative_ and rel_irelative_
 451         fields.  Update declarations.
 452         (Target_i386::Target_i386): Initialize new fields.
 453         (Target_i386::do_plt_address_for_global): New function replacing
 454         do_plt_section_for_global.
 455         (Target_i386::do_plt_address_for_local): New function replacing
 456         do_plt_section_for_local.
 457         (Target_i386::got_section): Create got_irelative_.
 458         (Target_i386::rel_irelative_section): New function.
 459         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 460         fields.  Don't define __rel_iplt_{start,end}.
 461         (Output_data_plt_i386::add_entry): Add symtab and layout
 462         parameters.  Change all callers.  Use different PLT and GOT for
 463         IFUNC symbols.
 464         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 465         layout parameters.  Change all callers.  Use different PLT and
 466         GOT.
 467         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 468         (Output_data_plt_i386::rel_irelative): New function.
 469         (Output_data_plt_i386::address_for_global): New function.
 470         (Output_data_plt_i386::address_for_local): New function.
 471         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 472         IRELATIVE GOT when changing IFUNC GOT entries.
 473         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 474         reloc.
 475         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 476         if we didn't create an IRELATIVE GOT.
 477         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 478         plt_address_for_local.
 479         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 480         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 481         got_irelative_, and irelative_count_ fields.  Update
 482         declarations.
 483         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 484         Initialize new fields.  Remove symtab parameter.  Change all
 485         callers.
 486         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 487         irelative_count_.
 488         (Output_data_plt_x86_64::has_irelative_section): New function.
 489         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 490         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 491         fields.  Update declarations.
 492         (Target_x86_64::Target_x86_64): Initialize new fields.
 493         (Target_x86_64::do_plt_address_for_global): New function replacing
 494         do_plt_section_for_global.
 495         (Target_x86_64::do_plt_address_for_local): New function replacing
 496         do_plt_section_for_local.
 497         (Target_x86_64::got_section): Create got_irelative_.
 498         (Target_x86_64::rela_irelative_section): New function.
 499         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 500         all callers.  Don't create __rel_iplt_{start,end}.
 501         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 502         parameters.  Change all callers.  Use different PLT and GOT for
 503         IFUNC symbols.
 504         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 505         layout parameters.  Change all callers.  Use different PLT and
 506         GOT.
 507         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 508         parameters.  Change all callers.  Use different PLT and GOT for
 509         IFUNC symbols.
 510         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 511         (Output_data_plt_x86_64::rela_irelative): New function.
 512         (Output_data_plt_x86_64::address_for_global): New function.
 513         (Output_data_plt_x86_64::address_for_local): New function.
 514         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 515         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 516         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 517         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 518         parameters.
 519         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 520         reloc.
 521         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 522         symbols if we didn't create an IRELATIVE GOT.
 523         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 524         plt_address_for_local.
 525         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 526         * testsuite/ifuncvar1.c: New test file.
 527         * testsuite/ifuncvar2.c: New test file.
 528         * testsuite/ifuncvar3.c: New test file.
 529         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 530         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 531         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 532         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 533         * testsuite/Makefile.in: Rebuild.
 534
 535 2011-07-07  Cary Coutant  <ccoutant@google.com>
 536
 537         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 538         (two_file_test_1_ndebug.o): Likewise.
 539         (two_file_test_1b_ndebug.o): Likewise.
 540         (two_file_test_2_ndebug.o): Likewise.
 541         (two_file_test_main_ndebug.o): Likewise.
 542         (incremental_test_2): Link with no-debug versions.
 543
 544 2011-07-06  Cary Coutant  <ccoutant@google.com>
 545
 546         * gold/incremental.cc
 547         (Output_section_incremental_inputs::write_info_blocks): Check for
 548         hidden and internal symbols.
 549
 550 2011-07-06  Cary Coutant  <ccoutant@google.com>
 551
 552         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 553         Check disposition for startup file.
 554         (Incremental_inputs::report_command_line): Ignore
 555         --incremental-startup-unchanged option.
 556         * options.cc (General_options::parse_incremental_startup_unchanged):
 557         New function.
 558         (General_options::General_options): Initialize new data member.
 559         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 560         (General_options): Add --incremental-startup-unchanged option.
 561         (General_options::incremental_startup_disposition): New function.
 562         (General_options::incremental_startup_disposition_): New data member.
 563
 564 2011-07-06  Cary Coutant  <ccoutant@google.com>
 565
 566         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 567         input file index to Script_info ctor.
 568         (Sized_incremental_binary::do_file_has_changed): Find the
 569         command-line argument for files named in scripts.
 570         * incremental.h (Script_info::Script_info): New ctor
 571         with input file index.
 572         (Script_info::input_file_index): New function.
 573         (Script_info::input_file_index_): New data member.
 574         (Incremental_binary::get_library): Add const.
 575         (Incremental_binary::get_script_info): Add const.
 576         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 577         * testsuite/Makefile.am (incremental_test_5): New test case.
 578         (incremental_test_6): New test case.
 579         * testsuite/Makefile.in: Regenerate.
 580
 581 2011-07-06  Cary Coutant  <ccoutant@google.com>
 582
 583         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 584         debug output when command lines differ.
 585
 586 2011-07-06  Cary Coutant  <ccoutant@google.com>
 587
 588         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 589         --incremental-patch option.
 590         * layout.cc (Free_list::allocate): Extend allocation beyond original
 591         end if enabled.
 592         (Layout::make_output_section): Mark sections that should get
 593         patch space.
 594         * options.cc (parse_percent): New function.
 595         * options.h (parse_percent): New function.
 596         (DEFINE_percent): New macro.
 597         (General_options): Add --incremental-patch option.
 598         * output.cc (Output_section::Output_section): Initialize new data
 599         members.
 600         (Output_section::add_input_section): Print section name when out
 601         of patch space.
 602         (Output_section::add_output_section_data): Likewise.
 603         (Output_section::set_final_data_size): Add patch space when
 604         doing --incremental-full.
 605         (Output_section::do_reset_address_and_file_offset): Remove patch
 606         space.
 607         (Output_segment::set_section_list_addresses): Print debug output
 608         only if --incremental-update.
 609         * output.h (Output_section::set_is_patch_space_allowed): New function.
 610         (Output_section::is_patch_space_allowed_): New data member.
 611         (Output_section::patch_space_): New data member.
 612         * parameters.cc (Parameters::incremental_full): New function.
 613         * parameters.h (Parameters::incremental_full): New function
 614         * testsuite/Makefile.am (incremental_test_2): Add test for
 615         --incremental-patch option.
 616         * testsuite/Makefile.in: Regenerate.
 617         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 618         (t18): Remove function body.
 619
 620 2011-07-05  Doug Kwan  <dougkwan@google.com>
 621
 622         PR gold/12771
 623         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 624         Arm_Address type for relocation result.
 625         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 626         overflow check.
 627         (Arm_relocate_functions::abs32): Use unaligned access.
 628         (Arm_relocate_functions::rel32): Ditto.
 629         (Arm_relocate_functions::prel31): Ditto.
 630         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 631         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 632         static data relocations.
 633         * testsuite/Makefile.in: Regnerate.
 634         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 635
 636 2011-07-05  Ian Lance Taylor  <iant@google.com>
 637
 638         PR gold/12392
 639         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 640         symbols if necessary.
 641         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 642
 643 2011-07-05  Ian Lance Taylor  <iant@google.com>
 644
 645         PR gold/12952
 646         * resolve.cc (Symbol::override_base_with_special): Simply override
 647         version with special symbol version, ignoring previous version.
 648
 649 2011-07-05  Ian Lance Taylor  <iant@google.com>
 650
 651         * object.cc (Sized_relobj_file::include_section_group): Add
 652         information to comment about signature location.
 653
 654 2011-07-02  Ian Lance Taylor  <iant@google.com>
 655
 656         PR gold/12957
 657         * options.h (class General_options): Add -f and -F.
 658         * options.cc (General_options::finalize): Fatal error if -f/-F
 659         are used without -shared.
 660         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 661
 662 2011-07-02  Ian Lance Taylor  <iant@google.com>
 663
 664         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 665
 666 2011-07-01  Ian Lance Taylor  <iant@google.com>
 667
 668         PR gold/12525
 669         PR gold/12952
 670         * resolve.cc (Symbol::override_base_with_special): Don't override
 671         the version if the overriding symbol has a different name.
 672         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 673         all callers.  If we give an error about an undefined version,
 674         define the base version if necessary.
 675         * dynobj.h (class Versions): Update declaration.
 676         * testsuite/weak_alias_test_5.cc: New file.
 677         * testsuite/weak_alias_test.script: New file.
 678         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 679         and versioned_alias have the right value, and call t2.
 680         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 681         weak_alias_test_5.so.
 682         (weak_alias_test_LDADD): Likewise.
 683         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 684         * testsuite/Makefile.in: Rebuild.
 685
 686 2011-07-01  Ian Lance Taylor  <iant@google.com>
 687
 688         PR gold/12525
 689         * options.h (class General_options): Support -z notext.
 690         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 691         -Wl,-z,notext.
 692         (two_file_shared_nonpic.so): Likewise.
 693         (two_file_shared_mixed.so): Likewise.
 694         (two_file_shared_mixed_1.so): Likewise.
 695         (weak_undef_lib_nonpic.so): Likewise.
 696         (alt/weak_undef_lib_nonpic.so): Likewise.
 697         (tls_test_shared_nonpic.so): Likewise.
 698         * testsuite/Makefile.in: Rebuild.
 699
 700 2011-07-01  Ian Lance Taylor  <iant@google.com>
 701
 702         PR gold/12525
 703         * configure.ac: Test whether static linking works, setting
 704         the automake conditional HAVE_STATIC.
 705         * testsuite/Makefile.am: Disable tests using -static if
 706         HAVE_STATIC is not true.
 707         * configure, testsuite/Makefile.in: Rebuild.
 708
 709 2011-07-01  Ian Lance Taylor  <iant@google.com>
 710
 711         PR gold/12525
 712         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 713         Assert if we see DW_EH_PE_indirect.
 714         * target.h (Target::ehframe_datarel_base): New function.
 715         (Target::do_ehframe_datarel_base): New target function.
 716         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 717         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 718         function.
 719
 720 2011-07-01  Ian Lance Taylor  <iant@google.com>
 721
 722         PR gold/12571
 723         * options.h (class General_options): Add
 724         --ld-generated-unwind-info.
 725         * ehframe.cc (Fde::write): Add address parameter.  Change all
 726         callers.  If associated with PLT, fill in address and size.
 727         (Cie::set_output_offset): Only add merge mapping if there is an
 728         object.
 729         (Cie::write): Add address parameter.  Change all callers.
 730         (Eh_frame::add_ehframe_for_plt): New function.
 731         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 732         input_offset_ fields into union u_, with new plt field.
 733         (Fde::Fde): Adjust for new union field.
 734         (Fde::Fde) [Output_data version]: New constructor.
 735         (Fde::add_mapping): Only add merge mapping if there is an object.
 736         (class Cie): Update declarations.
 737         (class Eh_frame): Declare add_ehframe_for_plt.
 738         * layout.cc (Layout::layout_eh_frame): Break out code into
 739         make_eh_frame_section, and call it.
 740         (Layout::make_eh_frame_section): New function.
 741         (Layout::add_eh_frame_for_plt): New function.
 742         * layout.h (class Layout): Update declarations.
 743         * merge.cc (Merge_map::add_mapping): Add assertion.
 744         * i386.cc: Include "dwarf.h".
 745         (class Output_data_plt_i386): Make first_plt_entry,
 746         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 747         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 748         and plt_eh_frame_fde.
 749         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 750         boundary.  Call add_eh_frame_for_plt if appropriate.
 751         * x86_64.cc: Include "dwarf.h".
 752         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 753         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 754         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 755         and plt_eh_frame_fde.
 756         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 757         appropriate.
 758
 759 2011-06-29  Ian Lance Taylor  <iant@google.com>
 760
 761         PR gold/12629
 762         * object.cc (Sized_relobj_file::layout_section): Change shdr
 763         parameter to be const.
 764         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 765         out of do_layout.
 766         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 767         appropriate.  Call layout_eh_frame_section.
 768         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 769         sections.
 770         * object.h (class Sized_relobj_file): Update declarations.
 771
 772 2011-06-29  Ian Lance Taylor  <iant@google.com>
 773
 774         PR gold/12652
 775         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 776         modifier.
 777         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 778
 779 2011-06-29  Ian Lance Taylor  <iant@google.com>
 780
 781         PR gold/12675
 782         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 783         SHT_X86_64_UNWIND.
 784         * layout.cc (Layout::layout_eh_frame): Likewise.
 785
 786 2011-06-29  Ian Lance Taylor  <iant@google.com>
 787
 788         PR gold/12695
 789         * layout.cc (Layout::symtab_section_shndx): New function.
 790         * layout.h (class Layout): Declare symtab_section_shndx.
 791         * output.cc (Output_section::write_header): Call it.
 792
 793 2011-06-29  Ian Lance Taylor  <iant@google.com>
 794
 795         PR gold/12818
 796         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 797         symbols which are not used in a relocation.
 798
 799 2011-06-28  Ian Lance Taylor  <iant@google.com>
 800
 801         PR gold/12898
 802         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 803         script create indistinguishable segments.
 804         (Layout::set_segment_offsets): Use stable_sort when sorting
 805         segments.  Pass this to Compare_segments constructor.
 806         * layout.h (class Layout): Make segment_precedes non-static.
 807         (class Compare_segments): Change from struct to class.  Add
 808         layout_ field.  Add constructor.
 809         * script-sections.cc
 810         (Script_sections::attach_sections_using_phdrs_clause): Rename
 811         local orphan to is_orphan.  Don't report failure to put empty
 812         section in segment.  On attachment failure, report name of
 813         section, and attach to first PT_LOAD segment.
 814
 815 2011-06-28  Ian Lance Taylor  <iant@google.com>
 816
 817         PR gold/12934
 818         * target-select.cc (Target_selector::Target_selector): Add
 819         emulation parameter.  Change all callers.
 820         (select_target_by_bfd_name): Rename from select_target_by_name.
 821         Change all callers.
 822         (select_target_by_emulation): New function.
 823         (supported_emulation_names): New function.
 824         * target-select.h (class Target_selector): Add emulation_ field.
 825         Update declarations.
 826         (Target_selector::recognize_by_bfd_name): Rename from
 827         recognize_by_name.  Change all callers.
 828         (Target_selector::supported_bfd_names): Rename from
 829         supported_names.  Change all callers.
 830         (Target_selector::recognize_by_emulation): New function.
 831         (Target_selector::supported_emulations): New function.
 832         (Target_selector::emulation): New function.
 833         (Target_selector::do_recognize_by_bfd_name): Rename from
 834         do_recognize_by_name.  Change all callers.
 835         (Target_selector::do_supported_bfd_names): Rename from
 836         do_supported_names.  Change all callers.
 837         (Target_selector::do_recognize_by_emulation): New function.
 838         (Target_selector::do_supported_emulations): New function.
 839         (select_target_by_bfd_name): Change name in declaration.
 840         (select_target_by_emulation): Declare.
 841         (supported_emulation_names): Declare.
 842         * parameters.cc (parameters_force_valid_target): Try to find
 843         target based on emulation from -m option.
 844         * options.h (class General_options): Change doc string for -m.
 845         * options.cc (help): Print emulations.
 846         (General_options::parse_V): Likewise.
 847         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 848         Add emulation parameter.  Change all callers.
 849
 850 2011-06-28  Ian Lance Taylor  <iant@google.com>
 851
 852         * target.h (class Target): Add osabi_ field.
 853         (Target::osabi): New function.
 854         (Target::set_osabi): New function.
 855         (Target::Target): Initialize osabi_.
 856         (Target::do_adjust_elf_header): Make pure virtual.
 857         (Sized_target::do_adjust_elf_header): Declare.
 858         * target.cc (Sized_target::do_adjust_elf_header): New function.
 859         (class Sized_target): Instantiate all versions.
 860         * freebsd.h (class Target_freebsd): Remove.
 861         (Target_selector_freebsd::do_recognize): Call set_osabi on
 862         Target.
 863         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 864         (Target_selector_freebsd::set_osabi): Remove.
 865         * i386.cc (class Target_i386): Inherit from Sized_target rather
 866         than Target_freebsd.
 867         * x86_64.cc (class Target_x86_64): Likewise.
 868
 869 2011-06-28  Ian Lance Taylor  <iant@google.com>
 870
 871         * target.h (Target::can_check_for_function_pointers): Rewrite.
 872         Make non-virtual.
 873         (Target::can_icf_inline_merge_sections): Likewise.
 874         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 875         (Target::Target_info): Add can_icf_inline_merge_sections field.
 876         (Target::do_can_check_for_function_pointers): New virtual
 877         function.
 878         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 879         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 880         from can_check_for_function_pointers, move in file.
 881         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 882         section_may_have_icf_unsafe_poineters, move in file.
 883         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 884         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 885         Rename from can_check_for_function_pointers, move in file.
 886         (Target_i386::can_icf_inline_merge_sections): Remove.
 887         (Target_i386::i386_info): Initialize
 888         can_icf_inline_merge_sections.
 889         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 890         Initialize can_icf_inline_merge_sections.
 891         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 892         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 893         Rename from can_check_for_function_pointers, move in file.
 894         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 895         (Target_x86_64::x86_64_info): Initialize
 896         can_icf_inline_merge_sections.
 897         * testsuite/testfile.cc (Target_test::test_target_info):
 898         Likewise.
 899         * icf.cc (get_section_contents): Correct formatting.
 900
 901 2011-06-27  Ian Lance Taylor  <iant@google.com>
 902
 903         * symtab.cc (Symbol::versioned_name): New function.
 904         (Symbol_table::add_to_final_symtab): Use versioned_name when
 905         appropriate.
 906         (Symbol_table::sized_write_symbol): Likewise.
 907         * symtab.h (class Symbol): Declare versioned_name.
 908         * stringpool.h (class Stringpool_template): Add variant of add
 909         which takes a std::basic_string.
 910         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 911         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 912         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 913         (ver_test_12.o): New target.
 914         * testsuite/Makefile.in: Rebuild.
 915
 916 2011-06-27  Doug Kwan  <dougkwan@google.com>
 917
 918         * arm.cc (Arm_relocate_functions::thm_jump8,
 919         Arm_relocate_functions::thm_jump11): Use a wider signed
 920         type to compute offset.
 921         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 922         arm_thm_jump8.
 923         * testsuite/Makefile.in: Regenerate.
 924         * testsuite/arm_branch_in_range.sh: Check test results of
 925         arm_thm_jump11 and arm_thm_jump8.
 926         * testsuite/arm_thm_jump11.s: New test source file.
 927         * testsuite/arm_thm_jump11.t: New linker script.
 928         * testsuite/arm_thm_jump8.s: New test source file.
 929         * testsuite/arm_thm_jump8.t: New linker script.
 930
 931 2011-06-24  Ian Lance Taylor  <iant@google.com>
 932
 933         * layout.cc: Include "object.h".
 934         (ctors_sections_in_init_array): New static variable.
 935         (Layout::is_ctors_in_init_array): New function.
 936         (Layout::layout): Add entry to ctors_sections_in_init_array if
 937         appropriate.
 938         * layout.h (class Layout): Declare is_ctors_in_init_array.
 939         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 940         is_ctors_reverse_view is set.
 941         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 942         all callers.  Set is_ctors_reverse_view field of View_size.
 943         (Sized_relobj_file::reverse_words): New function.
 944         * object.h (Sized_relobj_file::View_size): Add
 945         is_ctors_reverse_view field.
 946         (class Sized_relobj_file): Update declarations.
 947         * testsuite/initpri3.c: New test.
 948         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 949         initpri3b.
 950         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 951         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 952         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 953         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 954         * testsuite/Makefile.in: Rebuild.
 955
 956 2011-06-24  Cary Coutant  <ccoutant@google.com>
 957
 958         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 959         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 960         (debug_msg_cdebug.err): New targets.
 961         * testsuite/Makefile.in: Regenerate.
 962         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 963         Fix checks for link with shared library.
 964
 965 2011-06-24  Doug Kwan  <dougkwan@google.com>
 966
 967         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 968         skip empty text sections.
 969         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 970
 971 2011-06-22  Ian Lance Taylor  <iant@google.com>
 972
 973         PR gold/12910
 974         * options.h (class General_options): Add --ctors-in-init-array.
 975         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 976         friends as SHT_PROGBITS for merging sections.
 977         (Layout::layout): Remove special handling of .init_array and
 978         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 979         and .dtors if ctors_in_init_array.
 980         (Layout::make_output_section): Force correct section types for
 981         .init_array and friends.  Don't sort if doing relocatable link,
 982         Don't sort .ctors and .dtors if ctors_in_init_array.
 983         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 984         (Layout::output_section_name): Add relobj parameter.  Change all
 985         callers.  Handle .ctors. and .dtors. in code rather than table.
 986         Handle .ctors and .dtors if ctors_in_init_array.
 987         (Layout::match_file_name): New function, moved from output.cc.
 988         * layout.h (class Layout): Update declarations.
 989         * output.cc: Include "layout.h".
 990         (Input_section_sort_entry::get_priority): New function.
 991         (Input_section_sort_entry::match_file_name): Just call
 992         Layout::match_file_name.
 993         (Output_section::Input_section_sort_init_fini_compare::operator()):
 994         Handle .ctors and .dtors.  Sort by explicit priority rather than
 995         by name.
 996         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 997         * testsuite/initpri2.c: New test.
 998         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 999         (check_PROGRAMS): Add initpri2.
1000         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1001         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1002         * configure, testsuite/Makefile.in: Rebuild.
1003
1004 2011-06-19  Ian Lance Taylor  <iant@google.com>
1005
1006         PR gold/12880
1007         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1008         .interp section to a PT_INTERP segment even if we have seen a
1009         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1010         clause in a linker script.
1011         (Layout::finalize): Don't create a .interp section if we've
1012         already create a PT_INTERP segment.
1013         (Layout::create_interp): Always call choose_output_section (revert
1014         patch of 2011-06-17).  Don't create PT_INTERP segment.
1015         * script-sections.cc
1016         (Script_sections::create_note_and_tls_segments): Add a .interp
1017         section to a PT_INTERP segment even if we have seen a
1018         --dynamic-linker option.
1019
1020 2011-06-18  Ian Lance Taylor  <iant@google.com>
1021
1022         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1023         merely because a non-PT_LOAD segment has a dynamic reloc.
1024
1025 2011-06-18  Ian Lance Taylor  <iant@google.com>
1026
1027         * layout.cc (Layout::finish_dynamic_section): Don't create
1028         DT_FLAGS entry if not needed.
1029
1030 2011-06-18  Ian Lance Taylor  <iant@google.com>
1031
1032         PR gold/12745
1033         * layout.cc (Layout::layout_eh_frame): Correct handling of
1034         writable .eh_frame section.
1035
1036 2011-06-17  Ian Lance Taylor  <iant@google.com>
1037
1038         PR gold/12893
1039         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1040         symbol is redefined with the exact same object and value.
1041
1042 2011-06-17  Ian Lance Taylor  <iant@google.com>
1043
1044         PR gold/12880
1045         * layout.h (class Layout): Add interp_segment_ field.
1046         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1047         (Layout::attach_allocated_section_to_segment): If making shared
1048         library, put .interp section in PT_INTERP segment.
1049         (Layout::finalize): Also call create_interp if -dynamic-linker
1050         option was used.
1051         (Layout::create_interp): Assert that there is no PT_INTERP
1052         segment.  If not using a SECTIONS clause, use make_output_section.
1053         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1054         * script-sections.cc
1055         (Script_sections::create_note_and_tls_segments): If making shared
1056         library, put .interp section in PT_INTERP segment.
1057
1058 2011-06-17  Ian Lance Taylor  <iant@google.com>
1059
1060         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1061         when making a shared library.
1062
1063 2011-06-17  Ian Lance Taylor  <iant@google.com>
1064
1065         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1066         parameter.  Change all callers.  Don't issue warning about PC32
1067         against locally defined symbol.
1068
1069 2011-06-16  Ian Lance Taylor  <iant@google.com>
1070
1071         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1072         occurs in same object.
1073
1074 2011-06-14  Alan Modra  <amodra@gmail.com>
1075
1076         * po/POTFILES.in: Regenerate.
1077
1078 2011-06-09  Ian Lance Taylor  <iant@google.com>
1079
1080         * script-sections.cc
1081         (Orphan_output_section::set_section_addresses): For a relocatable
1082         link set address to 0.
1083
1084 2011-06-09  Cary Coutant  <ccoutant@google.com>
1085
1086         PR gold/12804
1087         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1088         used with --compress-debug-sections.
1089         * gold/object.cc (Sized_relobj_file::do_layout): Report
1090         uncompressed size of compressed input sections.
1091
1092 2011-06-08  Cary Coutant  <ccoutant@google.com>
1093
1094         PR gold/12804
1095         * testsuite/two_file_test_2_v1.cc: Change initialization of
1096         v2 to keep it in .data.
1097
1098 2011-06-07  Cary Coutant  <ccoutant@google.com>
1099
1100         * common.cc (Symbol_table::do_allocate_commons_list): Call
1101         gold_fallback.
1102         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1103         (Errors::fallback): New function.
1104         (gold_fallback): New function.
1105         * errors.h (Errors::fallback): New function.
1106         * gold.cc (gold_exit): Change status parameter to enum; adjust
1107         all callers.
1108         (queue_initial_tasks): Call gold_fallback.
1109         * gold.h: Include cstdlib.
1110         (Exit_status): New enum type.
1111         (gold_exit): Change status parameter to enum.
1112         (gold_fallback): New function.
1113         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1114         (Layout::create_symtab_sections): Likewise.
1115         (Layout::create_shdrs): Likewise.
1116         * main.cc (main): Adjust call to gold_exit.
1117         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1118         (Output_data_got::add_got_entry_pair): Likewise.
1119         (Output_section::add_input_section): Likewise.
1120         (Output_section::add_output_section_data): Likewise.
1121         (Output_segment::set_section_list_addresses): Likewise.
1122         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1123
1124 2011-06-07  Cary Coutant  <ccoutant@google.com>
1125
1126         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1127         for incremental links.
1128         * output.cc (Output_segment::set_section_list_addresses): Remove
1129         FIXME and test for TLS or BSS.
1130
1131 2011-06-07  Cary Coutant  <ccoutant@google.com>
1132
1133         * testsuite/Makefile.am: Add incremental_copy_test,
1134         incremental_common_test_1.
1135         * testsuite/Makefile.in: Regenerate.
1136         * testsuite/common_test_1_v1.c: New source file.
1137         * testsuite/common_test_1_v2.c: New source file.
1138         * testsuite/copy_test_v1.cc: New source file.
1139
1140 2011-06-07  Cary Coutant  <ccoutant@google.com>
1141
1142         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1143         update, allocate common from bss section's free list.
1144         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1145         linker-defined symbols.
1146         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1147         Skip GOT and PLT entries that are no longer referenced.
1148         (Output_section_incremental_inputs::write_info_blocks): Mark
1149         linker-defined symbols.
1150         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1151         * output.cc (Output_section::allocate): New function.
1152         * output.h (Output_section::allocate): New function.
1153         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1154         linker-defined symbols.
1155         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1156         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1157         (Symbol::init_base_output_data): Likewise.
1158         (Symbol::init_base_output_segment): Likewise.
1159         (Symbol::init_base_constant): Likewise.
1160         (Sized_symbol::init_output_data): Likewise.
1161         (Sized_symbol::init_output_segment): Likewise.
1162         (Sized_symbol::init_constant): Likewise.
1163         (Symbol_table::do_define_in_output_data): Likewise.
1164         (Symbol_table::do_define_in_output_segment): Likewise.
1165         (Symbol_table::do_define_as_constant): Likewise.
1166         * symtab.h (Symbol::is_predefined): New function.
1167         (Symbol::init_base_output_data): Add is_predefined parameter.
1168         (Symbol::init_base_output_segment): Likewise.
1169         (Symbol::init_base_constant): Likewise.
1170         (Symbol::is_predefined_): New data member.
1171         (Sized_symbol::init_output_data): Add is_predefined parameter.
1172         (Sized_symbol::init_output_segment): Likewise.
1173         (Sized_symbol::init_constant): Likewise.
1174         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1175
1176 2011-06-07  Cary Coutant  <ccoutant@google.com>
1177
1178         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1179         instead of emit_copy_reloc.
1180         (Copy_relocs::emit_copy_reloc): Refactor.
1181         (Copy_relocs::make_copy_reloc): New function.
1182         (Copy_relocs::add_copy_reloc): Remove.
1183         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1184         section.
1185         (Copy_relocs::make_copy_reloc): New function.
1186         (Copy_relocs::add_copy_reloc): Remove.
1187         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1188         unchanged input files.
1189         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1190         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1191         Reserve BSS space for COPY relocations.
1192         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1193         (Output_section_incremental_inputs::write_info_blocks): Record
1194         whether a symbol is copied from a shared object.
1195         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1196         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1197         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1198         (Incremental_input_entry_reader::get_output_symbol_index): Add
1199         is_copy parameter.
1200         (Incremental_binary::emit_copy_relocs): New function.
1201         (Incremental_binary::do_emit_copy_relocs): New function.
1202         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1203         new data member.
1204         (Sized_incremental_binary::add_copy_reloc): New function.
1205         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1206         (Sized_incremental_binary::Copy_reloc): New struct.
1207         (Sized_incremental_binary::Copy_relocs): New typedef.
1208         (Sized_incremental_binary::copy_relocs_): New data member.
1209         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1210         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1211         * target.h (Sized_target::emit_copy_reloc): New function.
1212         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1213
1214 2011-06-02  Cary Coutant  <ccoutant@google.com>
1215
1216         PR gold/12163
1217         * gold/archive.cc (Archive::Archive): Initialize new data member.
1218         (Archive::include_all_members): Return if archive has already been
1219         included.
1220         * gold/archive.h (Archive::include_all_members_): New data member.
1221
1222 2011-06-02  Nick Clifton  <nickc@redhat.com>
1223
1224         * dynobj.h: Fix spelling mistake in comment.
1225         * output.cc: Likewise.
1226
1227 2011-05-31  Doug Kwan  <dougkwan@google.com>
1228             Asier Llano
1229
1230         PR gold/12826
1231         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1232         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1233         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1234         redundant arm_exidx_test.so.
1235         * testsuite/Makefile.in: Regenerate.
1236         (check_SCRIPTS): Add pr12826.sh
1237         (check_DATA): Add pr12826.stdout
1238         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1239         * testsuite/pr12826.sh: New file.
1240         * testsuite/pr12826_1.s: Ditto.
1241         * testsuite/pr12826_1.s: Ditto.
1242
1243 2011-05-30  Ian Lance Taylor  <iant@google.com>
1244
1245         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1246         sections.
1247
1248 2011-05-29  Ian Lance Taylor  <iant@google.com>
1249
1250         PR gold/12804
1251         * testsuite/Makefile.am: Use different file name for two_file_test
1252         temporary file for each incremental test.
1253         * testsuite/Makefile.in: Rebuild.
1254
1255 2011-05-29  Ian Lance Taylor  <iant@google.com>
1256
1257         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1258         binary input file is empty.
1259
1260 2011-05-27  Ian Lance Taylor  <iant@google.com>
1261
1262         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1263         (ver_test_9.so): Likewise.
1264         * testsuite/Makefile.in: Rebuild.
1265
1266 2011-05-26 Cary Coutant  <ccoutant@google.com>
1267
1268         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1269         * incremental.cc (Incremental_inputs::report_input_section): Fix
1270         comment, indentation.
1271         (Incremental_inputs::report_comdat_group): New function.
1272         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1273         of data for incremental input file entry.
1274         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1275         group count, COMDAT group signatures.
1276         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1277         an unchanged input file.
1278         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1279         Initialize new data member.
1280         (Incremental_object_entry::add_comdat_group): New function.
1281         (Incremental_object_entry::get_comdat_group_count): New function.
1282         (Incremental_object_entry::get_comdat_signature_key): New function.
1283         (Incremental_object_entry::groups_): New data member.
1284         (Incremental_inputs::report_comdat_group): New function.
1285         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1286         data for incremental input file entry.
1287         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1288         (Incremental_input_entry_reader::get_input_section): Adjust size of
1289         data for incremental input file entry.
1290         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1291         (Incremental_input_entry_reader::get_comdat_group_signature): New
1292         function.
1293         * object.cc (Sized_relobj::include_section_group): Report kept
1294         COMDAT groups for incremental links.
1295
1296 2011-05-24  David Meyer  <pdox@google.com>
1297
1298         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1299         with name parameter.  Add found_name parameter.
1300         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1301         * dirsearch.h (class Dirsearch): Update declaration.
1302
1303 2011-05-24  Ian Lance Taylor  <iant@google.com>
1304
1305         * archive.cc (Library_base::should_include_member): Pull in object
1306         from archive if it defines the entry symbol.
1307         * parameters.cc (Parameters::entry): New function.
1308         * parameters.h (class Parameters): Declare entry.
1309         * output.h (class Output_file_header): Remove entry_ field.
1310         * output.cc (Output_file_header::Output_file_header): Remove entry
1311         parameter.  Change all callers.
1312         (Output_file_header::entry): Use parameters->entry.
1313         * gold.cc (queue_middle_tasks): Likewise.
1314         * plugin.cc (Plugin_hook::run): Likewise.
1315
1316 2011-05-24 Cary Coutant  <ccoutant@google.com>
1317
1318         * gold.cc (queue_initial_tasks): Pass incremental base filename
1319         to Output_file::open_base_file; don't print error message.
1320         * incremental-dump.cc (main): Adjust call to
1321         Output_file::open_for_modification.
1322         * incremental-dump.cc (main): Likewise.
1323         * incremental.cc (Incremental_inputs::report_command_line):
1324         Ignore --incremental-base option when comparing command lines.
1325         Ignore parameter when given as separate argument.
1326         * options.h (class General_options): Add --incremental-base.
1327         * output.cc (Output_file::Output_file):
1328         (Output_file::open_base_file): Add base_name and writable parameters;
1329         read base file into new file; print error message here.
1330         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1331         callers.
1332         * output.h (Output_file::open_for_modification): Rename to...
1333         (Output_file::open_base_file): ...this; add base_name and
1334         writable parameters; adjust all callers.
1335         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1336         callers.
1337         * testsuite/Makefile.am (incremental_test_4): Test
1338         --incremental-base.
1339         * testsuite/Makefile.in: Regenerate.
1340
1341 2011-05-24 Cary Coutant  <ccoutant@google.com>
1342
1343         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1344         incremental_test_4.
1345         * testsuite/Makefile.in: Regenerate.
1346         * testsuite/two_file_test_1_v1.cc: New test source file.
1347         * testsuite/two_file_test_1b_v1.cc: New test source file.
1348         * testsuite/two_file_test_2_v1.cc: New test source file.
1349
1350 2011-05-24 Cary Coutant  <ccoutant@google.com>
1351
1352         * dynobj.h (Dynobj::do_dynobj): New function.
1353         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1354         flag and soname for shared objects.
1355         * incremental.cc (Incremental_inputs::report_object): Make
1356         either Incremental_object_entry or Incremental_dynobj_entry; add
1357         soname to string table.
1358         (Incremental_inputs::report_input_section): Add assertion.
1359         (Output_section_incremental_inputs::set_final_data_size): Adjust
1360         type of input file entry for shared libraries; adjust size of
1361         shared library info entry.
1362         (Output_section_incremental_inputs::write_input_files): Write
1363         as_needed flag for shared libraries.
1364         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1365         of input file entry for shared libraries; write soname.
1366         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1367         soname from incremental info.
1368         * incremental.h (enum Incremental_input_flags): Add
1369         INCREMENTAL_INPUT_AS_NEEDED.
1370         (Incremental_input_entry::Incremental_input_entry): Initialize new
1371         data member.
1372         (Incremental_input_entry::set_as_needed): New function.
1373         (Incremental_input_entry::as_needed): New function.
1374         (Incremental_input_entry::do_dynobj_entry): New function.
1375         (Incremental_input_entry::as_needed_): New data member.
1376         (Incremental_object_entry::Incremental_object_entry): Don't check
1377         for shared library.
1378         (Incremental_object_entry::do_type): Likewise.
1379         (class Incremental_dynobj_entry): New class.
1380         (Incremental_input_entry_reader::as_needed): New function.
1381         (Incremental_input_entry_reader::get_soname): New function.
1382         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1383         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1384         size of shared library info entry.
1385         * layout.cc (Layout::finish_dynamic_section): Don't test for
1386         incremental link when adding DT_NEEDED entries.
1387         * object.h (Object::Object): Initialize new data member.
1388         (Object::dynobj): New function.
1389         (Object::set_as_needed): New function.
1390         (Object::as_needed): New function.
1391         (Object::do_dynobj): New function.
1392         (Object::as_needed_): New data member.
1393
1394 2011-05-24 Cary Coutant  <ccoutant@google.com>
1395
1396         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1397         info; adjust display of GOT entries.
1398         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1399         vector of input objects; remove file_status_.
1400         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1401         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1402         got_plt reader; call target hooks to reserve GOT entries.
1403         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1404         of input file info header and GOT info entry.
1405         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1406         relocation info.
1407         (Got_plt_view_info::got_descriptor): Remove.
1408         (Got_plt_view_info::sym_index): New data member.
1409         (Got_plt_view_info::input_index): New data member.
1410         (Local_got_offset_visitor::visit): Write input file index.
1411         (Global_got_offset_visitor::visit): Write 0 for input file index.
1412         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1413         with sym_index and input_index.
1414         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1415         incremental info GOT entry; replace got_descriptor with input_index.
1416         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1417         map from input file index to object.
1418         (Sized_relobj_incr::do_layout): Replace direct data member reference
1419         with accessor function.
1420         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1421         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1422         Adjust size of input file info header.
1423         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1424         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1425         (Incremental_input_entry_reader::get_input_section): Adjust size of
1426         input file info header.
1427         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1428         of incremental info GOT entry.
1429         (Incremental_got_plt_reader::get_got_desc): Remove.
1430         (Incremental_got_plt_reader::get_got_symndx): New function.
1431         (Incremental_got_plt_reader::get_got_input_index): New function.
1432         (Sized_incremental_binary::Sized_incremental_binary): Remove
1433         file_status_; add input_objects_.
1434         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1435         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1436         (Sized_incremental_binary::file_is_unchanged): Remove.
1437         (Sized_incremental_binary::set_input_object): New function.
1438         (Sized_incremental_binary::input_object): New function.
1439         (Sized_incremental_binary::file_status_): Remove.
1440         (Sized_incremental_binary::input_objects_): New data member.
1441         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1442         references.
1443         (Sized_relobj_incr::invalid_address): Move to base class.
1444         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1445         class.
1446         (Sized_relobj_incr::do_output_section_offset): Likewise.
1447         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1448         (Sized_relobj_incr::section_offsets_): Likewise.
1449         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1450         function.
1451         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1452         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1453         with accessor function.
1454         (Sized_relobj_file::do_layout): Likewise.
1455         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1456         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1457         (Sized_relobj_file::compute_final_local_value): Replace refs to
1458         section_offsets_ with accessor function.
1459         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1460         * object.h (Relobj::Relobj): Initialize new data members.
1461         (Relobj::add_dyn_reloc): New function.
1462         (Relobj::first_dyn_reloc): New function.
1463         (Relobj::dyn_reloc_count): New function.
1464         (Relobj::first_dyn_reloc_): New data member.
1465         (Relobj::dyn_reloc_count_): New data member.
1466         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1467         references.
1468         (Sized_relobj::Address): New typedef.
1469         (Sized_relobj::invalid_address): Move here from child class.
1470         (Sized_relobj::Sized_relobj): Initialize new data members.
1471         (Sized_relobj::sized_relobj): New function.
1472         (Sized_relobj::is_output_section_offset_invalid): Move here from
1473         child class.
1474         (Sized_relobj::get_output_section_offset): Likewise.
1475         (Sized_relobj::local_has_got_offset): Likewise.
1476         (Sized_relobj::local_got_offset): Likewise.
1477         (Sized_relobj::set_local_got_offset): Likewise.
1478         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1479         (Sized_relobj::clear_got_offsets): New function.
1480         (Sized_relobj::section_offsets): Move here from child class.
1481         (Sized_relobj::do_output_section_offset): Likewise.
1482         (Sized_relobj::do_set_section_offset): Likewise.
1483         (Sized_relobj::Local_got_offsets): Likewise.
1484         (Sized_relobj::local_got_offsets_): Likewise.
1485         (Sized_relobj::section_offsets_): Likewise.
1486         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1487         references.
1488         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1489         class.
1490         (Sized_relobj_file::sized_relobj): New function
1491         (Sized_relobj_file::local_has_got_offset): Move to base class.
1492         (Sized_relobj_file::local_got_offset): Likewise.
1493         (Sized_relobj_file::set_local_got_offset): Likewise.
1494         (Sized_relobj_file::get_output_section_offset): Likewise.
1495         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1496         (Sized_relobj_file::do_output_section_offset): Likewise.
1497         (Sized_relobj_file::do_set_section_offset): Likewise.
1498         (Sized_relobj_file::Local_got_offsets): Likewise.
1499         (Sized_relobj_file::local_got_offsets_): Likewise.
1500         (Sized_relobj_file::section_offsets_): Likewise.
1501         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1502         (all constructors).
1503         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1504         (Output_reloc::get_symbol_index): Likewise.
1505         (Output_reloc::local_section_offset): Likewise.
1506         (Output_reloc::get_address): Likewise.
1507         (Output_reloc::symbol_value): Likewise.
1508         (Output_data_got::reserve_slot): Move to class definition.
1509         (Output_data_got::reserve_local): New function.
1510         (Output_data_got::reserve_slot_for_global): Remove.
1511         (Output_data_got::reserve_global): New function.
1512         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1513         (all constructors, two instantiations).
1514         (Output_reloc::get_relobj): New function (two instantiations).
1515         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1516         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1517         (Output_data_reloc::add_global): Adjust type of relobj.
1518         (Output_data_reloc::add_global_relative): Likewise.
1519         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1520         (Output_data_reloc::add_local): Likewise.
1521         (Output_data_reloc::add_local_relative): Likewise.
1522         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1523         (Output_data_reloc::add_local_section): Likewise.
1524         (Output_data_reloc::add_output_section): Likewise.
1525         (Output_data_reloc::add_absolute): Likewise.
1526         (Output_data_reloc::add_target_specific): Likewise.
1527         (Output_data_got::reserve_slot): Move definition here.
1528         (Output_data_got::reserve_local): New function.
1529         (Output_data_got::reserve_global): New function.
1530         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1531         section_offsets_ with accessor function.
1532         (Sized_relobj_file::write_sections): Likewise.
1533         (Sized_relobj_file::do_relocate_sections): Likewise.
1534         * target.h (Sized_target::reserve_local_got_entry): New function.
1535         (Sized_target::reserve_global_got_entry): New function.
1536         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1537         (Target_x86_64::reserve_global_got_entry): New function.
1538         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1539
1540 2011-05-23 Cary Coutant  <ccoutant@google.com>
1541
1542         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1543         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1544         bit when checking got_type.
1545         * incremental.cc (Sized_incremental_binary::setup_readers):
1546         Store symbol table and string table locations; initialize bit vector
1547         of file status flags.
1548         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1549         unchanged files.
1550         (Sized_incremental_binary::do_process_got_plt): New function.
1551         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1552         (Output_section_incremental_inputs::set_final_data_size): Record
1553         file index for each input file.
1554         (Output_section_incremental_inputs::write_got_plt): Store file index
1555         instead of input entry offset for each GOT entry.
1556         * incremental.h
1557         (Incremental_input_entry::Incremental_input_entry): Initialize new
1558         data member.
1559         (Incremental_input_entry::set_offset): Store file index.
1560         (Incremental_input_entry::get_file_index): New function.
1561         (Incremental_input_entry::file_index_): New data member.
1562         (Incremental_binary::process_got_plt): New function.
1563         (Incremental_binary::do_process_got_plt): New function.
1564         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1565         data members.
1566         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1567         (Sized_incremental_binary::set_file_is_unchanged): New function.
1568         (Sized_incremental_binary::file_is_unchanged): New function.
1569         (Sized_incremental_binary::do_process_got_plt): New function.
1570         (Sized_incremental_binary::file_status_): New data member.
1571         (Sized_incremental_binary::main_symtab_loc_): New data member.
1572         (Sized_incremental_binary::main_strtab_loc_): New data member.
1573         * output.cc (Output_data_got::Got_entry::write): Add case
1574         RESERVED_CODE.
1575         (Output_data_got::add_global): Call add_got_entry.
1576         (Output_data_got::add_global_plt): Likewise.
1577         (Output_data_got::add_global_with_rel): Likewise.
1578         (Output_data_got::add_global_with_rela): Likewise.
1579         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1580         (Output_data_got::add_global_pair_with_rela): Likewise.
1581         (Output_data_got::add_local): Call add_got_entry.
1582         (Output_data_got::add_local_plt): Likewise.
1583         (Output_data_got::add_local_with_rel): Likewise.
1584         (Output_data_got::add_local_with_rela): Likewise.
1585         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1586         (Output_data_got::add_local_pair_with_rela): Likewise.
1587         (Output_data_got::reserve_slot): New function.
1588         (Output_data_got::reserve_slot_for_global): New function.
1589         (Output_data_got::add_got_entry): New function.
1590         (Output_data_got::add_got_entry_pair): New function.
1591         (Output_section::add_output_section_data): Edit FIXME.
1592         * output.h
1593         (Output_section_data_build::Output_section_data_build): New
1594         constructor with size parameter.
1595         (Output_data_space::Output_data_space): Likewise.
1596         (Output_data_got::Output_data_got): Initialize new data member; new
1597         constructor with size parameter.
1598         (Output_data_got::add_constant): Call add_got_entry.
1599         (Output_data_got::reserve_slot): New function.
1600         (Output_data_got::reserve_slot_for_global): New function.
1601         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1602         (Output_data_got::add_got_entry): New function.
1603         (Output_data_got::add_got_entry_pair): New function.
1604         (Output_data_got::free_list_): New data member.
1605         * target.h (Sized_target::init_got_plt_for_update): New function.
1606         (Sized_target::register_global_plt_entry): New function.
1607         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1608         Initialize new data member; call init; add constructor with PLT count.
1609         (Output_data_plt_x86_64::init): New function.
1610         (Output_data_plt_x86_64::add_relocation): New function.
1611         (Output_data_plt_x86_64::reserve_slot): New function.
1612         (Output_data_plt_x86_64::free_list_): New data member.
1613         (Target_x86_64::init_got_plt_for_update): New function.
1614         (Target_x86_64::register_global_plt_entry): New function.
1615         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1616         incremental updates.
1617         (Output_data_plt_x86_64::add_relocation): New function.
1618         * testsuite/object_unittest.cc (Object_test): Set default options.
1619
1620 2011-05-16  Ian Lance Taylor  <iant@google.com>
1621
1622         * options.h (class General_options): Make -i a synonym for -r.
1623
1624 2011-05-16  Ian Lance Taylor  <iant@google.com>
1625
1626         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1627
1628 2011-05-10 Cary Coutant  <ccoutant@google.com>
1629
1630         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1631         strip_all (-s).
1632
1633 2011-05-06  Ian Lance Taylor  <iant@google.com>
1634
1635         * layout.cc (Layout::layout): If the output section flags change,
1636         update the ordering.
1637
1638 2011-04-25 Cary Coutant  <ccoutant@google.com>
1639
1640         * incremental-dump.cc (dump_incremental_inputs): Print local
1641         symbol info for each input file.
1642         * incremental.cc
1643         (Output_section_incremental_inputs::set_final_data_size): Add local
1644         symbol info to input file entries in incremental info.
1645         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1646         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1647         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1648         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1649         implementation.
1650         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1651         (Sized_incr_relobj::do_relocate): Write the local symbols.
1652         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1653         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1654         Adjust size of input file header.
1655         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1656         (Incremental_inputs_reader::get_local_symbol_count): New function.
1657         (Incremental_inputs_reader::get_input_section): Adjust size of input
1658         file header.
1659         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1660         (Sized_incr_relobj::This): New typedef.
1661         (Sized_incr_relobj::sym_size): New const data member.
1662         (Sized_incr_relobj::Local_symbol): New struct.
1663         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1664         (Sized_incr_relobj::do_local_symbol_offset): New function.
1665         (Sized_incr_relobj::local_symbol_count_): New data member.
1666         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1667         (Sized_incr_relobj::local_symbol_index_): New data member.
1668         (Sized_incr_relobj::local_symbol_offset_): New data member.
1669         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1670         (Sized_incr_relobj::local_symbols_): New data member.
1671         * object.h (Relobj::output_local_symbol_count): New function.
1672         (Relobj::local_symbol_offset): New function.
1673         (Relobj::do_output_local_symbol_count): New function.
1674         (Relobj::do_local_symbol_offset): New function.
1675         (Sized_relobj::do_output_local_symbol_count): New function.
1676         (Sized_relobj::do_local_symbol_offset): New function.
1677
1678 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1679
1680         * descriptors.cc (set_close_on_exec): New function.
1681         (Descriptors::open): Use set_close_on_exec.
1682         * output.cc (S_ISLNK): Define if not defined.
1683
1684 2011-04-22 Cary Coutant  <ccoutant@google.com>
1685
1686         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1687         global symbol map.
1688         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1689         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1690         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1691         relocations.
1692         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1693         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1694         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1695         * incremental.h
1696         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1697         function.
1698         (Incremental_binary::apply_incremental_relocs): New function.
1699         (Incremental_binary::do_apply_incremental_relocs): New function.
1700         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1701         data member.
1702         (Sized_incremental_binary::add_global_symbol): New function.
1703         (Sized_incremental_binary::global_symbol): New function.
1704         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1705         (Sized_incremental_binary::symbol_map_): New data member.
1706         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1707         * target.h (Sized_target::apply_relocation): New function.
1708         * target-reloc.h (apply_relocation): New function.
1709         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1710
1711 2011-04-22  Doug Kwan  <dougkwan@google.com>
1712
1713         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1714         flag of a SHT_ARM_EXIDX section.
1715         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1716         * testsuite/Makefile.in: Regenerate.
1717         * testsuite/arm_exidx_test.s: New file.
1718         * testsuite/arm_exidx_test.sh: Same.
1719
1720 2011-04-20 Cary Coutant  <ccoutant@google.com>
1721
1722         PR gold/12689
1723         * archive.h (Incremental_archive_entry::Archive_member):
1724         Initialize arg_serial_ (second constructor).
1725
1726 2011-04-17  Ian Lance Taylor  <iant@google.com>
1727
1728         * object.cc (Relocate_info::location): Simplify location string.
1729         * errors.cc (Errors::error_at_location): Don't print program
1730         name.
1731         (Errors::warning_at_location): Likewise.
1732         (Errors::undefined_symbol): Likewise.
1733         * testsuite/debug_msg.sh: Update accordingly.
1734
1735 2011-04-14 Cary Coutant  <ccoutant@google.com>
1736
1737         * gold/layout.cc (Layout::symtab_section_offset): New function.
1738         * gold/layout.h (Layout::symtab_section_offset): New function.
1739         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1740
1741 2011-04-12  Ian Lance Taylor  <iant@google.com>
1742
1743         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1744         with MREMAP_MAYMOVE.
1745         * output.h (class Output_file): Add map_is_allocated_ field.
1746         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1747         not available, provide stubs.  If mremap is not available, #define
1748         it to gold_mremap.
1749         (MREMAP_MAYMOVE): Define if not defined.
1750         (Output_file::Output_file): Initialize map_is_allocated_.
1751         (Output_file::resize): Check map_is_allocated_.
1752         (Output_file::map_anonymous): If mmap fails, use malloc.
1753         (Output_file::unmap): Don't do anything for an anonymous map.
1754         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1755         is not available, provide stubs.
1756         (File_read::View::~View): Use free rather than delete[].
1757         (File_read::make_view): Use malloc rather than new[].  If mmap
1758         fails, use malloc.
1759         (File_read::find_or_make_view): Use malloc rather than new[].
1760         * gold.h: Remove HAVE_REMAP code.
1761         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1762         exists.  Rename mremap to gold_mremap.  If mmap is not available
1763         don't do anything.
1764         * configure, config.in: Rebuild.
1765
1766 2011-04-11  Ian Lance Taylor  <iant@google.com>
1767
1768         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1769         initialize local variable v.
1770
1771 2011-04-11  Cary Coutant  <ccoutant@google.com>
1772
1773         * archive.cc (Archive::include_member): Adjust call to
1774         report_object.
1775         (Add_archive_symbols::run): Track argument serial numbers.
1776         (Lib_group::include_member): Likewise.
1777         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1778         * archive.h (Incremental_archive_entry::Archive_member):
1779         Initialize arg_serial_.
1780         (Archive_member::arg_serial_): New data member.
1781         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1782         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1783         incremental link.
1784         (Sized_dynobj::do_for_all_local_got_entries): New function.
1785         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1786         function.
1787         * fileread.cc (get_mtime): New function.
1788         * fileread.h (get_mtime): New function.
1789         * gold.cc (queue_initial_tasks): Check for incremental update.
1790         (process_incremental_input): New function.
1791         (queue_middle_tasks): Don't force valid target for incremental
1792         update.
1793         * incremental-dump.cc (find_input_containing_global): Adjust
1794         size of symbol info entry.
1795         (dump_incremental_inputs): Dump argument serial number and
1796         in_system_directory flag; bias shndx by 1; print symbol names
1797         when dumping per-file symbol lists; use new symbol info readers.
1798         * incremental.cc
1799         (Output_section_incremental_inputs:update_data_size): New function.
1800         (Sized_incremental_binary::setup_readers): Setup input readers
1801         for each input file; build maps for files added from libraries
1802         and scripts.
1803         (Sized_incremental_binary::check_input_args): New function.
1804         (Sized_incremental_binary::do_check_inputs): Build map of argument
1805         serial numbers to input arguments.
1806         (Sized_incremental_binary::do_file_has_changed): Rename
1807         do_file_is_unchanged to this; compare file modification times.
1808         (Sized_incremental_binary::do_init_layout): New function.
1809         (Sized_incremental_binary::do_reserve_layout): New function.
1810         (Sized_incremental_binary::do_get_input_reader): Remove.
1811         (Sized_incremental_binary::get_symtab_view): New function.
1812         (Incremental_checker::can_incrementally_link_output_file): Remove.
1813         (Incremental_inputs::report_command_line): Exclude --debug options.
1814         (Incremental_inputs::report_archive_begin): Add parameter; track
1815         argument serial numbers; don't put input file entry for archive
1816         before archive members.
1817         (Incremental_inputs::report_archive_end): Put input file entry
1818         for archive after archive members.
1819         (Incremental_inputs::report_object): Add parameter; track argument
1820         serial numbers and in_system_directory flag.
1821         (Incremental_inputs::report_script): Add parameter; track argument
1822         serial numbers.
1823         (Output_section_incremental_inputs::set_final_data_size): Adjust
1824         size of symbol info entry; check for forwarding symbols.
1825         (Output_section_incremental_inputs::write_input_files): Write
1826         in_system_directory flag and argument serial number.
1827         (Output_section_incremental_inputs::write_info_blocks): Map section
1828         indices between incremental info and original input file; store
1829         input section index for each symbol.
1830         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1831         change operator() to visit().
1832         (class Global_got_offset_visitor): Likewise.
1833         (class Global_symbol_visitor_got_plt):
1834         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1835         classes.
1836         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1837         (Sized_incr_relobj::do_read_symbols): New function.
1838         (Sized_incr_relobj::do_layout): New function.
1839         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1840         (Sized_incr_relobj::do_add_symbols): New function.
1841         (Sized_incr_relobj::do_should_include_member): New function.
1842         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1843         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1844         (Sized_incr_relobj::do_section_size): New function.
1845         (Sized_incr_relobj::do_section_name): New function.
1846         (Sized_incr_relobj::do_section_contents): New function.
1847         (Sized_incr_relobj::do_section_flags): New function.
1848         (Sized_incr_relobj::do_section_entsize): New function.
1849         (Sized_incr_relobj::do_section_address): New function.
1850         (Sized_incr_relobj::do_section_type): New function.
1851         (Sized_incr_relobj::do_section_link): New function.
1852         (Sized_incr_relobj::do_section_info): New function.
1853         (Sized_incr_relobj::do_section_addralign): New function.
1854         (Sized_incr_relobj::do_initialize_xindex): New function.
1855         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1856         (Sized_incr_relobj::do_read_relocs): New function.
1857         (Sized_incr_relobj::do_gc_process_relocs): New function.
1858         (Sized_incr_relobj::do_scan_relocs): New function.
1859         (Sized_incr_relobj::do_count_local_symbols): New function.
1860         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1861         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1862         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1863         (Sized_incr_relobj::do_relocate): New function.
1864         (Sized_incr_relobj::do_set_section_offset): New function.
1865         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1866         (Sized_incr_dynobj::do_read_symbols): New function.
1867         (Sized_incr_dynobj::do_layout): New function.
1868         (Sized_incr_dynobj::do_add_symbols): New function.
1869         (Sized_incr_dynobj::do_should_include_member): New function.
1870         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1871         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1872         (Sized_incr_dynobj::do_section_size): New function.
1873         (Sized_incr_dynobj::do_section_name): New function.
1874         (Sized_incr_dynobj::do_section_contents): New function.
1875         (Sized_incr_dynobj::do_section_flags): New function.
1876         (Sized_incr_dynobj::do_section_entsize): New function.
1877         (Sized_incr_dynobj::do_section_address): New function.
1878         (Sized_incr_dynobj::do_section_type): New function.
1879         (Sized_incr_dynobj::do_section_link): New function.
1880         (Sized_incr_dynobj::do_section_info): New function.
1881         (Sized_incr_dynobj::do_section_addralign): New function.
1882         (Sized_incr_dynobj::do_initialize_xindex): New function.
1883         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1884         (make_sized_incremental_object): New function.
1885         (Incremental_library::copy_unused_symbols): New function.
1886         (Incremental_library::do_for_all_unused_symbols): New function.
1887         * incremental.h (enum Incremental_input_flags): New type.
1888         (class Incremental_checker): Remove.
1889         (Incremental_input_entry::Incremental_input_entry): Add argument
1890         serial number.
1891         (Incremental_input_entry::arg_serial): New function.
1892         (Incremental_input_entry::set_is_in_system_directory): New function.
1893         (Incremental_input_entry::is_in_system_directory): New function.
1894         (Incremental_input_entry::arg_serial_): New data member.
1895         (Incremental_input_entry::is_in_system_directory_): New data member.
1896         (class Script_info): Move here from script.h.
1897         (Script_info::Script_info): Add filename parameter.
1898         (Script_info::filename): New function.
1899         (Script_info::filename_): New data member.
1900         (Incremental_script_entry::Incremental_script_entry): Add argument
1901         serial number.
1902         (Incremental_object_entry::Incremental_object_entry): Likewise.
1903         (Incremental_object_entry::add_input_section): Build list of input
1904         sections with map to original shndx.
1905         (Incremental_object_entry::get_input_section_index): New function.
1906         (Incremental_object_entry::shndx_): New data member.
1907         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1908         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1909         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1910         serial number.
1911         (Incremental_inputs::report_archive_begin): Likewise.
1912         (Incremental_inputs::report_object): Likewise.
1913         (Incremental_inputs::report_script): Likewise.
1914         (class Incremental_global_symbol_reader): New class.
1915         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1916         and store flags and input file type.
1917         (Incremental_input_entry_reader::arg_serial): New function.
1918         (Incremental_input_entry_reader::type): Extract type from flags.
1919         (Incremental_input_entry_reader::is_in_system_directory): New function.
1920         (Incremental_input_entry_reader::get_input_section_count): Call
1921         accessor function for type.
1922         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1923         function for type; adjust size of global symbol entry.
1924         (Incremental_input_entry_reader::get_global_symbol_count): Call
1925         accessor function for type.
1926         (Incremental_input_entry_reader::get_object_count): Likewise.
1927         (Incremental_input_entry_reader::get_object_offset): Likewise.
1928         (Incremental_input_entry_reader::get_member_count): Likewise.
1929         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1930         (Incremental_input_entry_reader::get_member_offset): Likewise.
1931         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1932         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1933         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1934         (Incremental_input_entry_reader::get_global_symbol_reader): New
1935         function.
1936         (Incremental_input_entry_reader::get_output_symbol_index): New
1937         function.
1938         (Incremental_input_entry_reader::type_): Remove.
1939         (Incremental_input_entry_reader::flags_): New data member.
1940         (Incremental_inputs_reader::input_file_offset): New function.
1941         (Incremental_inputs_reader::input_file_index): New function.
1942         (Incremental_inputs_reader::input_file): Call input_file_offset.
1943         (Incremental_inputs_reader::input_file_at_offset): New function.
1944         (Incremental_relocs_reader::get_r_type): Reformat.
1945         (Incremental_relocs_reader::get_r_shndx): Reformat.
1946         (Incremental_relocs_reader::get_r_offset): Reformat.
1947         (Incremental_relocs_reader::data): New function.
1948         (Incremental_binary::Incremental_binary): Initialize new data members.
1949         (Incremental_binary::check_inputs): Add cmdline parameter.
1950         (Incremental_binary::file_is_unchanged): Remove.
1951         (Input_reader::arg_serial): New function.
1952         (Input_reader::get_unused_symbol_count): New function.
1953         (Input_reader::get_unused_symbol): New function.
1954         (Input_reader::do_arg_serial): New function.
1955         (Input_reader::do_get_unused_symbol_count): New function.
1956         (Input_reader::do_get_unused_symbol): New function.
1957         (Incremental_binary::input_file_count): New function.
1958         (Incremental_binary::get_input_reader): Change signature to use
1959         index instead of filename.
1960         (Incremental_binary::file_has_changed): New function.
1961         (Incremental_binary::get_input_argument): New function.
1962         (Incremental_binary::get_library): New function.
1963         (Incremental_binary::get_script_info): New function.
1964         (Incremental_binary::init_layout): New function.
1965         (Incremental_binary::reserve_layout): New function.
1966         (Incremental_binary::output_file): New function.
1967         (Incremental_binary::do_check_inputs): New function.
1968         (Incremental_binary::do_file_is_unchanged): Remove.
1969         (Incremental_binary::do_file_has_changed): New function.
1970         (Incremental_binary::do_init_layout): New function.
1971         (Incremental_binary::do_reserve_layout): New function.
1972         (Incremental_binary::do_input_file_count): New function.
1973         (Incremental_binary::do_get_input_reader): Change signature.
1974         (Incremental_binary::input_args_map_): New data member.
1975         (Incremental_binary::library_map_): New data member.
1976         (Incremental_binary::script_map_): New data member.
1977         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1978         new data members.
1979         (Sized_incremental_binary::output_section): New function.
1980         (Sized_incremental_binary::inputs_reader): Add const.
1981         (Sized_incremental_binary::symtab_reader): Add const.
1982         (Sized_incremental_binary::relocs_reader): Add const.
1983         (Sized_incremental_binary::got_plt_reader): Add const.
1984         (Sized_incremental_binary::get_symtab_view): New function.
1985         (Sized_incremental_binary::Inputs_reader): New typedef.
1986         (Sized_incremental_binary::Input_entry_reader): New typedef.
1987         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1988         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1989         (Sized_incremental_binary::do_file_has_changed): New function.
1990         (Sized_incremental_binary::do_init_layout): New function.
1991         (Sized_incremental_binary::do_reserve_layout): New function.
1992         (Sized_input_reader::Inputs_reader): Remove.
1993         (Sized_input_reader::Input_entry_reader): Remove.
1994         (Sized_input_reader::do_arg_serial): New function.
1995         (Sized_input_reader::do_get_unused_symbol_count): New function.
1996         (Sized_input_reader::do_get_unused_symbol): New function.
1997         (Sized_incremental_binary::do_input_file_count): New function.
1998         (Sized_incremental_binary::do_get_input_reader): Change signature;
1999         use index instead of filename.
2000         (Sized_incremental_binary::section_map_): New data member.
2001         (Sized_incremental_binary::input_entry_readers_): New data member.
2002         (class Sized_incr_relobj): New class.
2003         (class Sized_incr_dynobj): New class.
2004         (make_sized_incremental_object): New function.
2005         (class Incremental_library): New class.
2006         * layout.cc (Free_list::num_lists): New static data member.
2007         (Free_list::num_nodes): New static data member.
2008         (Free_list::num_removes): New static data member.
2009         (Free_list::num_remove_visits): New static data member.
2010         (Free_list::num_allocates): New static data member.
2011         (Free_list::num_allocate_visits): New static data member.
2012         (Free_list::init): New function.
2013         (Free_list::remove): New function.
2014         (Free_list::allocate): New function.
2015         (Free_list::dump): New function.
2016         (Free_list::print_stats): New function.
2017         (Layout_task_runner::run): Resize output file for incremental updates.
2018         (Layout::Layout): Initialize new data members.
2019         (Layout::set_incremental_base): New function.
2020         (Layout::init_fixed_output_section): New function.
2021         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2022         incremental updates.
2023         (Layout::create_gold_note): Do not create gold note section for
2024         incremental updates.
2025         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2026         for incremental updates.
2027         (Layout::set_section_offsets): For incremental updates, allocate space
2028         from free list.
2029         (Layout::create_symtab_sections): Layout with offsets relative to
2030         start of section; for incremental updates, allocate space from free
2031         list.
2032         (Layout::create_shdrs): For incremental updates, allocate space from
2033         free list.
2034         (Layout::finish_dynamic_section): For incremental updates, do not
2035         check --as-needed (fixed in subsequent patch).
2036         * layout.h (class Free_list): New class.
2037         (Layout::set_incremental_base): New function.
2038         (Layout::incremental_base): New function.
2039         (Layout::init_fixed_output_section): New function.
2040         (Layout::allocate): New function.
2041         (Layout::incremental_base_): New data member.
2042         (Layout::free_list_): New data member.
2043         * main.cc (main): Print Free_list statistics.
2044         * object.cc (Relobj::finalize_incremental_relocs): Add
2045         clear_counts parameter; clear counts only when clear_counts is set.
2046         (Sized_relobj::Sized_relobj): Initialize new base class.
2047         (Sized_relobj::do_layout): Don't report special sections.
2048         (Sized_relobj::do_for_all_local_got_entries): New function.
2049         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2050         symtab_off to all symbol table offsets.
2051         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2052         * object.h (class Got_offset_list): Move to top of file.
2053         (Object::Object): Allow case where input_file == NULL.
2054         (Object::~Object): Likewise.
2055         (Object::input_file): Assert that input_file != NULL.
2056         (Object::lock): Allow case where input_file == NULL.
2057         (Object::unlock): Likewise.
2058         (Object::is_locked): Likewise.
2059         (Object::token): Likewise.
2060         (Object::release): Likewise.
2061         (Object::is_incremental): New function.
2062         (Object::get_mtime): New function.
2063         (Object::for_all_local_got_entries): New function.
2064         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2065         (Object::set_is_in_system_directory): New function.
2066         (Object::is_in_system_directory): New function.
2067         (Object::do_is_incremental): New function.
2068         (Object::do_get_mtime): New function.
2069         (Object::do_for_all_local_got_entries): New function.
2070         (Object::is_in_system_directory_): New data member.
2071         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2072         (class Sized_relobj_base): New class.
2073         (class Sized_relobj): Derive from Sized_relobj_base.
2074         (class Sized_relobj::Symbols): Redeclare from base class.
2075         (class Sized_relobj::local_got_offset_list): Remove.
2076         (class Sized_relobj::Output_sections): Redeclare from base class.
2077         (class Sized_relobj::do_for_all_local_got_entries): New function.
2078         (class Sized_relobj::write_local_symbols): Add offset parameter.
2079         (class Sized_relobj::local_symbol_offset_): Update comment.
2080         (class Sized_relobj::local_dynsym_offset_): Update comment.
2081         * options.cc (Input_arguments::add_file): Remove const.
2082         * options.h (Input_file_argument::Input_file_argument):
2083         Initialize arg_serial_ (all constructors).
2084         (Input_file_argument::set_arg_serial): New function.
2085         (Input_file_argument::arg_serial): New function.
2086         (Input_file_argument::arg_serial_): New data member.
2087         (Input_arguments::Input_arguments): Initialize file_count_.
2088         (Input_arguments::add_file): Remove const.
2089         (Input_arguments::number_of_input_files): New function.
2090         (Input_arguments::file_count_): New data member.
2091         (Command_line::number_of_input_files): Call
2092         Input_arguments::number_of_input_files.
2093         * output.cc (Output_segment_headers::Output_segment_headers):
2094         Set current size.
2095         (Output_section::Input_section::current_data_size): New function.
2096         (Output_section::Output_section): Initialize new data members.
2097         (Output_section::add_input_section): Don't do merge sections for
2098         an incremental link; allocate space from free list for an
2099         incremental update.
2100         (Output_section::add_output_section_data): Allocate space from
2101         free list for an incremental update.
2102         (Output_section::update_data_size): New function.
2103         (Output_section::set_fixed_layout): New function.
2104         (Output_section::reserve): New function.
2105         (Output_segment::set_section_addresses): Remove const.
2106         (Output_segment::set_section_list_addresses): Remove const; allocate
2107         space from free list for an incremental update.
2108         (Output_segment::set_offset): Adjust size of RELRO segment for an
2109         incremental update.
2110         * output.h (Output_data::current_data_size): Move here from
2111         child classes.
2112         (Output_data::pre_finalize_data_size): New function.
2113         (Output_data::update_data_size): New function.
2114         (Output_section_headers::update_data_size): new function.
2115         (Output_section_data_build::current_data_size): Move to Output_data.
2116         (Output_data_strtab::update_data_size): New function.
2117         (Output_section::current_data_size): Move to Output_data.
2118         (Output_section::set_fixed_layout): New function.
2119         (Output_section::has_fixed_layout): New function.
2120         (Output_section::reserve): New function.
2121         (Output_section::update_data_size): New function.
2122         (Output_section::has_fixed_layout_): New data member.
2123         (Output_section::free_list_): New data member.
2124         (Output_segment::set_section_addresses): Remove const.
2125         (Output_segment::set_section_list_addresses): Remove const.
2126         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2127         New function.
2128         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2129         New function.
2130         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2131         parameter when calling Add_symbols constructor; store argument
2132         serial number for members of a lib group.
2133         (Add_symbols::locks): Allow case where token == NULL.
2134         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2135         (Read_member::~Read_member): New function.
2136         (Read_member::is_runnable): New function.
2137         (Read_member::locks): New function.
2138         (Read_member::run): New function.
2139         (Check_script::~Check_script): New function.
2140         (Check_script::is_runnable): New function.
2141         (Check_script::locks): New function.
2142         (Check_script::run): New function.
2143         (Check_library::~Check_library): New function.
2144         (Check_library::is_runnable): New function.
2145         (Check_library::locks): New function.
2146         (Check_library::run): New function.
2147         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2148         (Add_symbols::library_): New data member.
2149         (class Read_member): New class.
2150         (class Check_script): New class.
2151         (class Check_library): New class.
2152         * reloc.cc (Read_relocs::is_runnable): Allow case where
2153         token == NULL.
2154         (Read_relocs::locks): Likewise.
2155         (Scan_relocs::locks): Likewise.
2156         (Relocate_task::locks): Likewise.
2157         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2158         to clear counters.
2159         (Sized_relobj::incremental_relocs_scan): Fix comment.
2160         (Sized_relobj::do_relocate): Pass output file offset to
2161         write_local_symbols.
2162         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2163         from class declaration.
2164         * script.cc (read_input_script): Allocate Script_info; pass
2165         argument serial number to report_script.
2166         * script.h (class Script_info): Move to incremental.h.
2167         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2168         * symtab.h (Symbol_table::add_from_incrobj): New function.
2169         (Symbol_table::set_file_offset): New function.
2170
2171 2011-04-05  Cary Coutant  <ccoutant@google.com>
2172
2173         * incremental-dump.cc (dump_incremental_inputs): Change signature
2174         to take a Sized_incremental_binary; change caller.  Use readers
2175         in Sized_incremental_binary.
2176         * incremental.cc
2177         (Sized_incremental_binary::find_incremental_inputs_sections):
2178         Rename do_find_incremental_inputs_sections to this.
2179         (Sized_incremental_binary::setup_readers): New function.
2180         (Sized_incremental_binary::do_check_inputs): Check
2181         has_incremental_info_ flag; move setup code to setup_readers;
2182         use input readers.
2183         (Sized_incremental_binary::do_file_is_unchanged): New function.
2184         (Sized_incremental_binary::do_get_input_reader): New function.
2185         * incremental.h (class Incremental_binary): Move to end of file.
2186         (Incremental_binary::file_is_unchanged): New function.
2187         (Incremental_binary::do_file_is_unchanged): New function.
2188         (Incremental_binary::Input_reader): New class.
2189         (Incremental_binary::get_input_reader): New function.
2190         (class Sized_incremental_binary): Move to end of file.
2191         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2192         input section reader classes.
2193         (Sized_incremental_binary::has_incremental_info): New function.
2194         (Sized_incremental_binary::inputs_reader): New function.
2195         (Sized_incremental_binary::symtab_reader): New function.
2196         (Sized_incremental_binary::relocs_reader): New function.
2197         (Sized_incremental_binary::got_plt_reader): New function.
2198         (Sized_incremental_binary::do_file_is_unchanged): New function.
2199         (Sized_incremental_binary::Sized_input_reader): New class.
2200         (Sized_incremental_binary::get_input_reader): New function.
2201         (Sized_incremental_binary::find_incremental_inputs_sections):
2202         Rename do_find_incremental_inputs_sections to this.
2203         (Sized_incremental_binary::setup_readers): New function.
2204         (Sized_incremental_binary::has_incremental_info_): New data member.
2205         (Sized_incremental_binary::inputs_reader_): New data member.
2206         (Sized_incremental_binary::symtab_reader_): New data member.
2207         (Sized_incremental_binary::relocs_reader_): New data member.
2208         (Sized_incremental_binary::got_plt_reader_): New data member.
2209         (Sized_incremental_binary::current_input_file_): New data member.
2210
2211 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2212
2213         PR gold/12640
2214         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2215         violation.
2216
2217 2011-03-30  Cary Coutant  <ccoutant@google.com>
2218
2219         * archive.cc (Archive::include_member): Adjust call to report_object.
2220         (Add_archive_symbols::run): Add script_info to call to
2221         report_archive_begin.
2222         (Lib_group::include_member): Adjust call to report_object.
2223         (Add_lib_group_symbols::run): Adjust call to report_object.
2224         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2225         blocks.  Add object count for script input files.
2226         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2227         script_info parameter; change all callers.
2228         (Incremental_inputs::report_object): Add script_info parameter;
2229         change all callers.
2230         (Incremental_inputs::report_script): Store backpointer to
2231         incremental info entry.
2232         (Output_section_incremental_inputs::set_final_data_size): Record
2233         additional information for scripts.
2234         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2235         * incremental.h (Incremental_script_entry::add_object): New function.
2236         (Incremental_script_entry::get_object_count): New function.
2237         (Incremental_script_entry::get_object): New function.
2238         (Incremental_script_entry::objects_): New data member; adjust
2239         constructor.
2240         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2241         (Incremental_inputs::report_object): Add script_info parameter.
2242         (Incremental_inputs_reader::get_object_count): New function.
2243         (Incremental_inputs_reader::get_object_offset): New function.
2244         * options.cc (Input_arguments::add_file): Return reference to
2245         new input argument.
2246         * options.h (Input_argument::set_script_info): New function.
2247         (Input_argument::script_info): New function.
2248         (Input_argument::script_info_): New data member; adjust all
2249         constructors.
2250         (Input_file_group::add_file): Return reference to new input argument.
2251         (Input_file_lib::add_file): Likewise.
2252         (Input_arguments::add_file): Likewise.
2253         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2254         * script.cc (Parser_closure::Parser_closure): Add script_info
2255         parameter; adjust all callers.
2256         (Parser_closure::script_info): New function.
2257         (Parser_closure::script_info_): New data member.
2258         (read_input_script): Report scripts earlier to incremental info.
2259         (script_add_file): Set script_info in Input_argument.
2260         (script_add_library): Likewise.
2261         * script.h (Script_options::Script_info): Rewrite class.
2262
2263 2011-03-29  Cary Coutant  <ccoutant@google.com>
2264
2265         * archive.cc (Library_base::should_include_member): Move
2266         method here from class Archive.
2267         (Archive::Archive): Initialize base class.
2268         (Archive::should_include_member): Move to base class.
2269         (Archive::do_for_all_unused_symbols): New function.
2270         (Add_archive_symbols::run): Remove redundant access to
2271         incremental_inputs.
2272         (Lib_group::Lib_group): Initialize base class.
2273         (Lib_group::do_filename): New function.
2274         (Lib_group::include_member): Pass pointer to Lib_group to
2275         report_object.
2276         (Lib_group::do_for_all_unused_symbols): New function.
2277         (Add_lib_group_symbols::run): Report archive information for
2278         incremental links.
2279         * archive.h (class Library_base): New base class.
2280         (class Archive): Derive from Library_base.
2281         (Archive::filename): Move to base class.
2282         (Archive::set_incremental_info): Likewise.
2283         (Archive::incremental_info): Likewise.
2284         (Archive::Should_include): Likewise.
2285         (Archive::should_include_member): Likewise.
2286         (Archive::Armap_entry): Remove.
2287         (Archive::Unused_symbol_iterator): Remove.
2288         (Archive::unused_symbols_begin): Remove.
2289         (Archive::unused_symbols_end): Remove.
2290         (Archive::do_filename): New function.
2291         (Archive::do_get_mtime): New function.
2292         (Archive::do_for_all_unused_symbols): New function.
2293         (Archive::task_): Move to base class.
2294         (Archive::incremental_info_): Likewise.
2295         (class Lib_group): Derive from Library_base.
2296         (Lib_group::do_filename): New function.
2297         (Lib_group::do_get_mtime): New function.
2298         (Lib_group::do_for_all_unused_symbols): New function.
2299         (Lib_group::task_): Move to base class.
2300         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2301         function.
2302         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2303         function.
2304         * incremental.cc (Incremental_inputs::report_archive_begin):
2305         Use Library_base; call library's get_mtime; add incremental inputs
2306         entry before members.
2307         (class Unused_symbol_visitor): New class.
2308         (Incremental_inputs::report_archive_end): Use Library_base; use
2309         visitor class to record unused symbols; don't add incremental inputs
2310         entry after members.
2311         (Incremental_inputs::report_object): Use Library_base.
2312         * incremental.h
2313         (Incremental_archive_entry::Incremental_archive_entry): Remove
2314         unused Archive parameter.
2315         (Incremental_inputs::report_archive_begin): Use Library_base.
2316         (Incremental_inputs::report_archive_end): Likewise.
2317         (Incremental_inputs::report_object): Likewise.
2318         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2319         function.
2320         * object.h (Object::for_all_global_symbols): New function.
2321         (Object::do_for_all_global_symbols): New function.
2322         (Sized_relobj::do_for_all_global_symbols): New function.
2323         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2324         function.
2325         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2326         function.
2327
2328 2011-03-27  Ian Lance Taylor  <iant@google.com>
2329
2330         * archive.cc (Archive::interpret_header): Return -1 if something
2331         goes wrong.  Change callers accordingly.
2332
2333 2011-03-25  Cary Coutant  <ccoutant@google.com>
2334
2335         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2336         * testsuite/Makefile.in: Regenerate.
2337
2338 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2339
2340         * plugin.cc (get_view): New.
2341         (Plugin::load): Pass get_view to the plugin.
2342         (Plugin_manager::get_view): New.
2343
2344 2011-03-21  Ian Lance Taylor  <iant@google.com>
2345
2346         * testsuite/final_layout.sh: Rewrite to not use dc.
2347         * testsuite/relro_test.sh: Fail if dc is not present.
2348
2349 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2350
2351         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2352         Change == to -eq.
2353         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2354         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2355         Change == to -eq.
2356         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2357         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2358
2359 2011-03-14  Ian Lance Taylor  <iant@google.com>
2360
2361         * script-sections.cc (Sort_output_sections::script_compare):
2362         Rename from is_before, change return type.
2363         (Sort_output_sections::operator()): Adjust accordingly.
2364
2365 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2366
2367         PR gold/12572
2368         * testsuite/odr_violation2.cc: Add comment to make all error line
2369         numbers double digits.
2370         * testsuite/debug_msg.sh: Adjust expected errors.
2371
2372 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2373
2374         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2375         but mark earlier ones as non-canonical
2376         (offset_to_iterator): Update search target and example
2377         (do_addr2line): Return extra lines in a vector*
2378         (format_file_lineno): Extract from do_addr2line
2379         (one_addr2line): Add vector* out-param
2380         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2381         when a lineno entry appeared last for its instruction
2382         (Dwarf_line_info): Add vector* out-param
2383         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2384         * symtab.cc (Odr_violation_compare): Include the lineno in the
2385         comparison again.
2386         (linenos_from_loc): New. Combine the canonical line for an
2387         address with its other lines.
2388         (True_if_intersect): New. Helper functor to make
2389         std::set_intersection a query.
2390         (detect_odr_violations): Compare sets of lines instead of just
2391         one line for each function. This became less deterministic, but
2392         has fewer false positives.
2393         * symtab.h: Declarations.
2394         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2395         mix an optimized and non-optimized object in the same binary
2396         (odr_violation2.so): Same.
2397         * testsuite/Makefile.in: Regenerate from Makefile.am.
2398         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2399         * testsuite/debug_msg.sh: Update line numbers and add
2400         assertions.
2401         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2402         non-optimized context.
2403         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2404         isn't inlined, and use OdrDerived in an optimized context.
2405         * testsuite/odr_header1.h: Defines OdrDerived, where
2406         optimization will change the
2407         first-instruction-in-the-destructor's file and line number.
2408         * testsuite/odr_header2.h: Defines OdrBase.
2409
2410 2011-03-09  Ian Lance Taylor  <iant@google.com>
2411
2412         * fileread.cc (File_read::clear_views): Don't delete the whole
2413         file view.
2414
2415 2011-03-08  Ian Lance Taylor  <iant@google.com>
2416
2417         PR gold/12525
2418         * fileread.cc: #include <climits>.
2419         (GOLD_IOV_MAX): Define.
2420         (File_read::read_multiple): Limit number of entries by iov_max.
2421         * fileread.h (class File_read): Always set max_readv_entries to
2422         128.
2423
2424 2011-03-07  Ian Lance Taylor  <iant@google.com>
2425
2426         PR gold/12525
2427         * options.h (class General_options): Add -dy and -dn.
2428
2429 2011-03-02  Cary Coutant  <ccoutant@google.com>
2430
2431         * testsuite/script_test_9.t: Add TLS segment.
2432
2433 2011-03-02  Simon Baldwin  <simonb@google.com>
2434
2435         * configure.ac: Add check for gnu_indirect_function support in
2436         the toolchain building binutils.
2437         * configure: Rebuild.
2438
2439 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2440
2441         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2442         plugin only symbols.
2443         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2444         in plugin files as not needed in the symbol table.
2445
2446 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2447
2448         * output.cc (Output_section::add_input_section): Delay fill
2449         generation for section ordering.
2450
2451 2011-02-09  Ian Lance Taylor  <iant@google.com>
2452
2453         PR gold/12316
2454         * object.h (class Sized_relobj): Remove clear_local_symbols.
2455         * reloc.cc (Sized_relobj::do_relocate): Don't call
2456         clear_local_symbols.
2457
2458 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2459
2460         * plugin.cc (is_visible_from_outside): Return true for symbols
2461         in the -u option.
2462
2463 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2464
2465         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2466         filename.
2467
2468 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2469
2470         * icf.h (is_section_foldable_candidate): Change type of parameter
2471         to std::string.
2472         * icf.cc (Icf::find_identical_sections): Change type of local variable
2473         section_name to be std::string.
2474         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2475
2476 2011-01-25  Ian Lance Taylor  <iant@google.com>
2477
2478         * script.cc (script_add_extern): Rewrite to use
2479         add_symbol_reference.
2480
2481 2011-01-25  Doug Kwan  <dougkwan@google.com>
2482
2483         * icf.cc (get_section_contents): Always lock section's object.
2484
2485 2011-01-24  Ian Lance Taylor  <iant@google.com>
2486
2487         * options.h (class General_options): Accept
2488         --no-detect-odr-violations.
2489
2490 2011-01-24  Ian Lance Taylor  <iant@google.com>
2491
2492         * version.cc (version_string): Bump to 1.11.
2493
2494 2011-01-24  Ian Lance Taylor  <iant@google.com>
2495
2496         * plugin.cc (class Plugin_rescan): Define new class.
2497         (Plugin_manager::claim_file): Set any_claimed_.
2498         (Plugin_manager::save_archive): New function.
2499         (Plugin_manager::save_input_group): New function.
2500         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2501         necessary.
2502         (Plugin_manager::new_undefined_symbol): New function.
2503         (Plugin_manager::rescan): New function.
2504         (Plugin_manager::rescannable_defines): New function.
2505         (Plugin_manager::add_input_file): Set any_added_.
2506         * plugin.h (class Plugin_manager): define new fields rescannable_,
2507         undefined_symbols_, any_claimed_, and any_added_.  Declare
2508         Plugin_rescan as friend.  Declare new functions.
2509         (Plugin_manager::Rescannable): Define type.
2510         (Plugin_manager::Rescannable_list): Define type.
2511         (Plugin_manager::Undefined_symbol_list): Define type.
2512         (Plugin_manager::Plugin_manager): Initialize new fields.
2513         * archive.cc (Archive::defines_symbol): New function.
2514         (Add_archive_symbols::run): Pass archive to plugins if any.
2515         * archive.h (class Archive): Declare defines_symbol.
2516         * readsyms.cc (Input_group::~Input_group): New function.
2517         (Finish_group::run): Pass input_group to plugins if any.
2518         * readsyms.h (class Input_group): Declare destructor.
2519         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2520         any.
2521
2522 2011-01-10  Ian Lance Taylor  <iant@google.com>
2523
2524         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2525         section as relro.
2526         (Layout::set_segment_offsets): Reset increase_relro before calling
2527         set_section_addresses a second time.
2528
2529 2011-01-04  Cary Coutant  <ccoutant@google.com>
2530
2531         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2532         sections before NOBITS sections.
2533
2534 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2535
2536         * version.cc (print_version): Update copyright to 2011.
2537
2538 2010-12-23  Cary Coutant  <ccoutant@google.com>
2539
2540         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2541         of OS to this->add.  Add OD parameter to second form of the function.
2542
2543 2010-12-20  Ian Lance Taylor  <iant@google.com>
2544
2545         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2546         second of two consecutive entries with same offset.
2547
2548 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2549
2550         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2551         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2552         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2553         to avoid unneeded links against $(LDADD).
2554         * testsuite/Makefile.in: Regenerate.
2555
2556 2010-12-15  Ian Lance Taylor  <iant@google.com>
2557
2558         PR gold/12324
2559         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2560         for R_X86_64_32 and R_X86_64_PC32.
2561         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2562         ver_matching_def_pic.o.
2563         (ver_matching_def_pic.o): New target.
2564
2565 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2566
2567         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2568         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2569         Move definition before File_read::View member definitions.
2570         (File_read::View::~View): Initialize and hold lock before
2571         updating current_mapped_bytes.
2572
2573 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2574
2575         * dwarf_reader.cc: Remove outdated comment.
2576         * gold-threads.cc: Fix typo in error message.
2577         * archive.cc: Fix typos in comments.
2578         * archive.h: Likewise.
2579         * arm-reloc-property.cc: Likewise.
2580         * arm-reloc-property.h: Likewise.
2581         * arm-reloc.def: Likewise.
2582         * arm.cc: Likewise.
2583         * attributes.h: Likewise.
2584         * cref.cc: Likewise.
2585         * ehframe.cc: Likewise.
2586         * fileread.h: Likewise.
2587         * gold.h: Likewise.
2588         * i386.cc: Likewise.
2589         * icf.cc: Likewise.
2590         * incremental.h: Likewise.
2591         * int_encoding.cc: Likewise.
2592         * layout.h: Likewise.
2593         * main.cc: Likewise.
2594         * merge.h: Likewise.
2595         * object.cc: Likewise.
2596         * object.h: Likewise.
2597         * options.cc: Likewise.
2598         * readsyms.cc: Likewise.
2599         * reduced_debug_output.cc: Likewise.
2600         * reloc.cc: Likewise.
2601         * script-sections.cc: Likewise.
2602         * sparc.cc: Likewise.
2603         * symtab.h: Likewise.
2604         * target-reloc.h: Likewise.
2605         * target.cc: Likewise.
2606         * target.h: Likewise.
2607         * timer.cc: Likewise.
2608         * timer.h: Likewise.
2609         * x86_64.cc: Likewise.
2610
2611 2010-12-09  Cary Coutant  <ccoutant@google.com>
2612
2613         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2614         stack.
2615         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2616         parameter; change all callers.
2617         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2618         * options.h (warn_execstack): New option.
2619
2620 2010-12-07  Doug Kwan  <dougkwan@google.com>
2621
2622         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2623         like function call relocations.
2624
2625 2010-12-07  Ian Lance Taylor  <iant@google.com>
2626
2627         * archive.cc (Archive::get_elf_object_for_member): Permit
2628         punconfigured to be NULL.
2629         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2630         (Archive::include_member): Pass NULL to get_elf_object_for_member
2631         if we searched for the archive and this is the first included
2632         object.
2633
2634 2010-12-01  Ian Lance Taylor  <iant@google.com>
2635
2636         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2637         track_relocs_type_ field.
2638         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2639         Set track_relocs_type_.
2640         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2641         contents when using RELA relocs.
2642         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2643         reloc_map_.
2644         * reloc.cc (Track_relocs::next_addend): New function.
2645         * reloc.h (class Track_relocs): Declare next_addend.
2646
2647 2010-12-01  Ian Lance Taylor  <iant@google.com>
2648
2649         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2650         virtual destructor.
2651
2652 2010-12-01  Ian Lance Taylor  <iant@google.com>
2653
2654         * README: Update compilers known to work and fail.
2655
2656 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2657
2658         * configure.in: For --enable-gold, handle value `default' instead of
2659         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2660         not the default.
2661         * configure: Regenerate.
2662
2663 2010-11-18  Doug Kwan  <dougkwan@google.com>
2664
2665         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2666         and right_alignment to be zero.  Store result alignment only if it is
2667         greater than existing alignment.
2668
2669 2010-11-16  Cary Coutant  <ccoutant@google.com>
2670
2671         PR gold/12220
2672         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2673         Check for ".zdebug_line".
2674
2675 2010-11-16  Doug Kwan  <dougkwan@google.com>
2676             Cary Coutant  <ccoutant@google.com>
2677
2678         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2679         by reference; adjust all callers.
2680         * output.cc (Output_segment::set_section_addresses): Adjust references
2681         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2682         list is empty.
2683         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2684         end at page boundary.
2685
2686 2010-11-16  Cary Coutant  <ccoutant@google.com>
2687
2688         PR gold/12220
2689         * layout.cc (Layout::choose_output_section): Transform names of
2690         compressed sections even when using a script with a SECTIONS clause.
2691         (Layout::output_section_name): Remove code to transform
2692         compressed debug section names.
2693         * output.cc (Output_section::add_input_section): Use uncompressed
2694         section size when tracking input sections.
2695
2696 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2697
2698         * symtab.h (Symbol::NON_PIC_REF): Remove.
2699         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2700         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2701         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2702         (Symbol::use_plt_offset): Take a flags argument and pass it
2703         directly to needs_dynamic_reloc.  Restrict check for undefined
2704         weak symbols to function calls.
2705         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2706         (Target_arm::Scan::global): Use it.
2707         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2708         (Target_arm::Relocate::relocate): Likewise.
2709         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2710         parameter with an r_type parameter.  Use get_reference_flags
2711         to get the flags.
2712         (Target_arm::Relocate::relocate): Update accordingly.
2713         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2714         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2715         (Target_i386::Scan::global): Likewise.
2716         (Target_i386::Relocate::relocate): Likewise.
2717         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2718         parameter with an r_type parameter.  Use get_reference_flags
2719         to get the flags.
2720         (Target_i386::Relocate::relocate): Update accordingly.
2721         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2722         (Target_powerpc::Scan::global): Use it.
2723         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2724         (Target_powerpc::Relocate::relocate): Likewise.
2725         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2726         (Target_sparc::Scan::global): Use it.
2727         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2728         (Target_sparc::Relocate::relocate): Likewise.
2729         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2730         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2731         (Target_x86_64::Scan::global): Likewise.
2732         (Target_x86_64::Relocate::relocate): Likewise.
2733
2734 2010-11-08  Doug Kwan  <dougkwan@google.com>
2735             Cary Coutant  <ccoutant@google.com>
2736
2737         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2738         (Arm_exidx_merge_section::section_contents_): New data member.
2739         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2740         (Arm_input_section::~Arm_input_section): De-allocate memory.
2741         (Arm_input_section::original_contents_): New data member.
2742         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2743         in parameters instead of calling Object::section_contents without
2744         locking.
2745         (Arm_output_section::group_section): New parameter TASK.  Pass it
2746         to callees that need locking objects.
2747         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2748         to lock EXIDX input sections.  Fix a formatting issue.  Call
2749         Arm_exidx_merged_section::build_contents to create merged section
2750         contents.
2751         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2752         to lock object of stub table owner.
2753         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2754         TEXT_SIZE to initialize data member TEXT_SIZE_.
2755         (Arm_exidx_input_section::addralign): Fix typo in comment.
2756         (Arm_exidx_input_section::text_size): New method.
2757         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2758         that require locking objects.  Lock objects before scanning for stubs
2759         and updating local symbols.
2760         (Arm_input_section<big_endian>::init): Copy contents of original
2761         input section.
2762         (Arm_input_section<big_endian>::do_write): Use saved contents of
2763         original input section instead of calling Object::section_contents
2764         without locking.
2765         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2766         size without calling Object::section_size().
2767         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2768         for size.  Allocate a buffer for merged EXIDX entries.
2769         (Arm_exidx_merged_section::build_contents): New method.
2770         (Arm_exidx_merged_section::do_write): Move merge section contents
2771         building code to Arm_exidx_merged_section::build_contetns.  Write
2772         out contetns in buffer instead of building it on the fly.
2773         (Arm_relobj::make_exidx_input_section): Also pass text section size
2774         to Arm_exidx_input_section constructor.
2775         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2776         (Arm_dynobj::do_read_symbols): Fix memory leak.
2777         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2778         * target.h: (class Task): Add forward declaration.
2779         (Target::relax): Add new parameter TASK and pass it to
2780         Target::do_relax().
2781         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2782
2783 2010-11-05  Cary Coutant  <ccoutant@google.com>
2784
2785         PR gold/10708
2786         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2787         object when reading from the file.
2788         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2789         second layout pass.
2790         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2791         when reading section contents.
2792         (get_section_contents): Likewise.
2793         (icf::find_identical_sections): Likewise.
2794         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2795         object when reading from the file.
2796         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2797         the object when doing deferred section layout.
2798
2799 2010-11-03  Nick Clifton  <nickc@redhat.com>
2800
2801         PR gold/12001
2802         * script.h (class Symbol_assignment: name): New member.  Returns
2803         the name of the symbol.
2804         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2805         Returns true if the given symbol name is on the list of
2806         assignments wating to be processed.
2807         * archive.cc (should_incldue_member): If the symbol is undefined,
2808         check to see if it is on the list of symbols pending assignment.
2809
2810 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2811
2812         * script-sections.cc (Script_sections::find_memory_region): Check
2813         for a NULL output section pointer.
2814
2815 2010-10-29  Doug Kwan  <dougkwan@google.com>
2816
2817         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2818         Output_section::add_relaxed_input_section.
2819         * output.cc (Output_section::add_relaxed_input_section): Add new
2820         arguments LAYOUT and NAME.  Set section order index.
2821         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2822         Copy section order index.
2823         * output.h (Output_section::add_relaxed_input_section): Add new
2824         arguments LAYOUT and NAME.
2825
2826 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2827
2828         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2829         NATIVE_OR_CROSS_LINKER.
2830         * testsuite/Makefile.in: Regenerate.
2831
2832 2010-10-20  Doug Kwan  <dougkwan@google.com>
2833
2834         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2835         without SHF_LINK_ORDER flags.
2836         * layout.cc (Layout::choose_output_section): Do not filter
2837         SHF_LINK_ORDER flag in a relocatable link.
2838
2839 2010-10-17  Cary Coutant  <ccoutant@google.com>
2840
2841         * output.h (Output_segment::set_section_addresses): Change function
2842         signature.  Update all callers.
2843         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2844         sections.
2845         (Output_segment::set_section_addresses): Align after last TLS
2846         section.  Add padding before last relro section instead of after.
2847
2848 2010-10-17  Doug Kwan  <dougkwan@google.com>
2849
2850         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2851         GOT output section to be writable.
2852
2853 2010-10-14  Cary Coutant  <ccoutant@google.com>
2854
2855         * debug.h (DEBUG_INCREMENTAL): New flag.
2856         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2857         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2858         mode.
2859         * incremental.cc (report_command_line): Ignore all forms of
2860         --incremental.
2861         * layout.cc (Layout::Layout): Check parameters for incremental link
2862         mode.
2863         * options.cc (General_options::parse_incremental): New function.
2864         (General_options::parse_no_incremental): New function.
2865         (General_options::parse_incremental_full): New function.
2866         (General_options::parse_incremental_update): New function.
2867         (General_options::incremental_mode_): New data member.
2868         (General_options::finalize): Check incremental_mode_.
2869         * options.h (General_options): Update help text for --incremental.
2870         Add --no-incremental, --incremental-full, --incremental-update.
2871         (General_options::Incremental_mode): New enum type.
2872         (General_options::incremental_mode): New function.
2873         (General_options::incremental_mode_): New data member.
2874         * parameters.cc (Parameters::incremental_mode_): New data member.
2875         (Parameters::set_options): Set incremental_mode_.
2876         (Parameters::set_incremental_full): New function.
2877         (Parameters::incremental): New function.
2878         (Parameters::incremental_update): New function.
2879         (set_parameters_incremental_full): New function.
2880         * parameters.h (Parameters::set_incremental_full): New function.
2881         (Parameters::incremental): New function.
2882         (Parameters::incremental_update): New function.
2883         (Parameters::incremental_mode_): New data member.
2884         (set_parameters_incremental_full): New function.
2885         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2886         incremental link mode.
2887         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2888         (Sized_relobj::do_relocate_sections): Likewise.
2889         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2890         option.
2891         * testsuite/Makefile.in: Regenerate.
2892         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2893
2894 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2895
2896         * script-sections.h (class Script_sections): Make
2897         Sections_elements typedef public.
2898         * script-sections.cc (class Sort_output_sections): Add elements_
2899         field.  Add constructor which sets it; change all callers.
2900         (Sort_output_sections::is_before): New function.
2901         (Sort_output_sections::operator()): Call is_before.
2902         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2903         conditional.
2904         * testsuite/script_test_10.sh: New test. Test script section
2905         order.
2906         * testsuite/script_test_10.t: Likewise.
2907         * testsuite/script_test_10.s: Likewise.
2908         * testsuite/Makefile.am: Wrap the cross linker tests and the
2909         common tests into NATIVE_OR_CROSS_LINKER.
2910         (check_SCRIPTS): Add script_test_10.sh.
2911         (check_DATA): Add script_test_10.stdout.
2912         (script_test_10.o, script_test_10): New targets.
2913         (script_test_10.stdout): New target.
2914         * configure, testsuite/Makefile.in: Regenerate.
2915
2916 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2917
2918         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2919         error for the deprecated relocations.
2920         (Target_arm::Scan::global): Likewise.
2921         (Target_arm::Relocate::relocate): Likewise.
2922
2923 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2924
2925         * fileread.cc (Input_file::find_file): Initialize *found_name
2926         and *namep when using the fallback search for case 4.
2927
2928 2010-10-11  Cary Coutant  <ccoutant@google.com>
2929
2930         * options.h (class General_options): Redefine -z lazy as an alias for
2931         the negation of -z now.
2932
2933 2010-10-11  Ian Lance Taylor  <iant@google.com>
2934
2935         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2936         binding.
2937
2938 2010-10-06  Nick Clifton  <nickc@redhat.com>
2939
2940         * script-sections.cc(class Memory_region): Remove
2941         current_lma_offset_ field.  Rename current_vma_offset_ to
2942         current_offset_.  Add last_section_ field.
2943         (Memory_region::get_current_vma_address): Rename to
2944         get_current_address.
2945         (Memory_region::get_current_lma_address): Delete.
2946         (Memory_region::increment_vma_offset): Rename to
2947         increment_offset.
2948         (Memory_region::increment_lma_offset): Delete.
2949         (Memory_region::attributes_compatible): New method.  Returns
2950         true if the provided section is compatible with the region.
2951         (Memory_region::get_last_section): New method.  Returns the last
2952         section to use the region.
2953         (Memory_region::set_last_section): New method.  Stores the last
2954         section to use the region.
2955         (Script_sections::block_in_region): New method.  Returns true if
2956         a block of memory is contained within a region.
2957         (Script_sections::find_memory_region): New method.  Locates a
2958         memory region to be used to set a VMA or LMA address.
2959         (Output_section_definition::set_section_addresses): Add code to
2960         check for addresses set by memory regions.
2961         (Output_segment::set_section_addresses): Remove memory region
2962         walking code.
2963         (Script_sections::create_segment): Add a warning if a header
2964         segment is created outside of any region.
2965         * script-sections.h (class Script_sections): Add prototypes for
2966         find_memory_region and block_in_region methods.
2967         * testsuite/memory_test.s: Use .long instead of .word.
2968         * testsuite/memory_test.t: Add some more output sections.
2969         * testsuite/memory_test.sh: Update expected output.
2970
2971 2010-10-02  Doug Kwan  <dougkwan@google.com>
2972
2973         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2974         defintion to symtab.h
2975         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2976         declaration to defintion.
2977
2978 2010-10-01  Nick Clifton  <nickc@redhat.com>
2979
2980         * expression.cc (eval): Replace dummy argument with NULL.
2981         (eval_maybe_dot): Check for a NULL result section pointer.
2982         (Symbol_expression::value): Likewise.
2983         (Dot_expression::value): Likewise.
2984         (BINARY_EXPRESSION): Likewise.
2985         (Max_expression::value): Likewise.
2986         (Min_expression::value): Likewise.
2987         (Absolute_expression::value): Likewise.
2988         (Addr_expression::value_from_output_section): Likewise.
2989         (Loaddddr_expression::value_from_output_section): Likewise.
2990         (Segment_start_expression::value): Likewise.
2991         * script-sections.cc
2992         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2993         argument with NULL.
2994         (Sections_elememt_dot_assignment::set_section_addresses):
2995         Likewise.
2996         (Output_data_expression::do_write_to_buffer): Likewise.
2997         (Output_section_definition::finalize_symbols): Likewise.
2998         (Output_section_definition::set_section_addresses): Likewise.
2999
3000 2010-09-30  Doug Kwan  <dougkwan@google.com>
3001
3002         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3003
3004 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3005
3006         * target.h (Target::can_icf_inline_merge_sections): New virtual
3007         function.
3008         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3009         virtual function.
3010         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3011         virtual function.
3012         * icf.cc (get_section_contents): Inline merge sections only when
3013         target allows it.
3014
3015 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3016
3017         * configure: Regenerate.
3018
3019 2010-09-17  Ian Lance Taylor  <iant@google.com>
3020
3021         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3022         * testsuite/Makefile.am (memory_test.o): New target.
3023         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3024         memory_test.t.
3025         * testsuite/Makefile.in: Rebuild.
3026
3027 2010-09-17  Doug Kwan  <dougkwan@google.com>
3028
3029         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3030         defintion if relocation uses GOT entries of the symbol.
3031         * testsuite/icf_safe_test.sh: Fix test.
3032         * testsuite/icf_safe_so_test.sh: Fix test.
3033
3034 2010-09-16  Cary Coutant  <ccoutant@google.com>
3035
3036         * script_sections.cc (class Memory_region): Remove "NULL" from
3037         vector initializations.
3038
3039 2010-09-15  Cary Coutant  <ccoutant@google.com>
3040
3041         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3042         Resolve forwarding symbols.
3043
3044 2010-09-15  Doug Kwan  <dougkwan@google.com>
3045
3046         * gold/testsuite/script_test_3.t: Add ARM special sections.
3047         * gold/testsuite/script_test_4.t: Same.
3048         * gold/testsuite/script_test_5.t: Same.
3049         * gold/testsuite/script_test_6.t: Same.
3050         * gold/testsuite/script_test_7.t: Same.
3051         * gold/testsuite/script_test_7.t: Same.
3052         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3053
3054 2010-09-14  Cary Coutant  <ccoutant@google.com>
3055
3056         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3057         (Target_x86_64::Relocate::relocate_tls): Replace check for
3058         saw_tls_block_reloc_ with test for executable section.
3059
3060 2010-09-12  Cary Coutant  <ccoutant@google.com>
3061
3062         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3063         position-independent executables to shared libraries need dynamic
3064         relocations.
3065         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3066         position-independent executables.
3067         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3068         * testsuite/Makefile.in: Regenerate.
3069
3070 2010-09-10  Nick Clifton  <nickc@redhat.com>
3071
3072         PR gold/11997
3073         * testsuite/memory_test.t: Discard any sections that are not
3074         needed.
3075
3076 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3077
3078         PR gold/11996
3079         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3080         "This::" to work around a bug in gcc 4.2.
3081
3082         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3083
3084 2010-09-09  Rafael Espindola  <espindola@google.com>
3085
3086         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3087         sections with different PF_X flags in the same segment.
3088         (Layout::find_first_load_seg): Search all segments to find the first
3089         one.
3090         * options.h (rosegment): New.
3091
3092 2010-09-08  Rafael Espindola  <espindola@google.com>
3093
3094         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3095
3096 2010-09-08  Doug Kwan  <dougkwan@google.com>
3097
3098         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3099         (Arm_relobj::do_relocate_sections): Add new parameter for output
3100         file to match the parent.
3101         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3102         of local symbols instead of input values.  Update code to track
3103         changes in gold::relocate_section.
3104         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3105         (Sized_relobj::compute_final_local_value_internal): New methods.
3106         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3107         body into private version of Sized_relobj::compute_final_local_value.
3108         Call the inline method.
3109         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3110         merged symbol value if there is one.
3111         (Symbol_value::has_output_value): New method defintiion.
3112         (Sized_relobj::Compute_final_local_value_status): New enum type.
3113         (Sized_relobj::compute_final_local_value): New methods.
3114         (Sized_relobj::compute_final_local_value_internal): New methods.
3115         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3116         and arm_cortex_a8.sh.
3117         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3118         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3119         New tests.
3120         * Makefile.in: Regenerate.
3121         * testsuite/arm_bl_out_of_range.s: Update test.
3122         * testsuite/thumb_bl_out_of_range.s: Ditto.
3123         * testsuite/thumb_blx_out_of_range.s: Ditto.
3124         * testsuite/arm_branch_out_of_range.sh: New file.
3125         * testsuite/arm_cortex_a8.sh: Ditto.
3126         * testsuite/arm_cortex_a8_b.s: Ditto.
3127         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3128         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3129         * testsuite/arm_cortex_a8_bl.s: Ditto.
3130         * testsuite/arm_cortex_a8_blx.s: Ditto.
3131         * testsuite/arm_cortex_a8_local.s: Ditto.
3132         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3133         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3134
3135 2010-09-08  Rafael Espindola  <espindola@google.com>
3136
3137         * Makefile.am (memory_test.stdout): Run readelf with -W.
3138         * Makefile.in: Regenerate.
3139         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3140         64 bit output.
3141
3142 2010-09-08  Rafael Espindola  <espindola@google.com>
3143
3144         * script-sections.cc (Script_sections::add_memory_region): Convert
3145         field precision to int.
3146         * script.cc (script_set_section_region, script_set_section_region):
3147         Convert field precision to int.
3148
3149 2010-09-08  Rafael Espindola  <espindola@google.com>
3150
3151         * arm.cc (do_finalize_sections): Create the __exidx_start and
3152         __exdix_end symbols even when the section is missing.
3153
3154 2010-09-08  Nick Clifton  <nickc@redhat.com>
3155
3156         * README: Remove claim that MEMORY is not supported.
3157         * expression.cc (script_exp_function_origin)
3158         (script_exp_function_length): Move from here to ...
3159         * script.cc: ... here.
3160         (script_set_section_region, script_add_memory)
3161         (script_parse_memory_attr, script_include_directive): New
3162         functions.
3163         * script-sections.cc
3164         (class Memory_region): New class.
3165         (class Output_section_definition): Add set_memory_region,
3166         set_section_vma, set_section_lma and get_section_name methods.
3167         (class Script_Sections): Add add_memory_region,
3168         find_memory_region, find_memory_region_origin,
3169         find_memory_region_length and set_memory_region methods.
3170         Have set_section_addresses method walk the list of set memory
3171         regions.
3172         Extend the print methos to display memory regions.
3173         * script-sections.h: Add prototypes for new methods.
3174         Add enum for MEMORY region attributes.
3175         * yyscript.y: Add support for parsing MEMORY regions.
3176         * script-c.h: Add prototypes for new functions.
3177         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3178         * testsuite/Makefile.in: Regenerate.
3179         * testsuite/memory_test.sh: New script.
3180         * testsuite/memory_test.s: New assembler source file.
3181         * testsuite/memory_test.t: New linker script.
3182
3183 2010-08-27  Doug Kwan  <dougkwan@google.com>
3184
3185         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3186         reference override an existing dynamic weak reference.
3187         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3188         * testsuite/Makefile.in: Regenerate.
3189         * testsuite/dyn_weak_ref.sh: New file.
3190         * testsuite/dyn_weak_ref_1.c: Ditto.
3191         * testsuite/dyn_weak_ref_2.c: Ditto.
3192
3193 2010-08-27  Ian Lance Taylor  <iant@google.com>
3194
3195         * incremental.h (class Incremental_input_entry): Add virtual
3196         destructor.
3197
3198 2010-08-27  Ian Lance Taylor  <iant@google.com>
3199
3200         * testsuite/start_lib_test_3.c: Mark t3 as used.
3201
3202 2010-08-27  Nick Clifton  <nickc@redhat.com>
3203
3204         * options.cc (version_script): Fix small typo in previous
3205         whitespace tidyup.
3206
3207 2010-08-25  Nick Clifton  <nickc@redhat.com>
3208
3209         * archive.cc: Formatting fixes: Remove whitespace between
3210         typename and following asterisk.  Remove whitespace between
3211         function name and opening parenthesis.
3212         * archive.h: Likewise.
3213         * arm.cc: Likewise.
3214         * attributes.cc: Likewise.
3215         * attributes.h: Likewise.
3216         * common.cc: Likewise.
3217         * copy-relocs.cc: Likewise.
3218         * dirsearch.h: Likewise.
3219         * dynobj.cc: Likewise.
3220         * ehframe.cc: Likewise.
3221         * ehframe.h: Likewise.
3222         * expression.cc: Likewise.
3223         * fileread.cc: Likewise.
3224         * fileread.h: Likewise.
3225         * gc.h: Likewise.
3226         * gold-threads.cc: Likewise.
3227         * gold.cc: Likewise.
3228         * i386.cc: Likewise.
3229         * icf.h: Likewise.
3230         * incremental-dump.cc: Likewise.
3231         * incremental.cc: Likewise.
3232         * layout.cc: Likewise.
3233         * layout.h: Likewise.
3234         * main.cc: Likewise.
3235         * merge.cc: Likewise.
3236         * merge.h: Likewise.
3237         * object.cc: Likewise.
3238         * object.h: Likewise.
3239         * options.cc: Likewise.
3240         * options.h: Likewise.
3241         * output.cc: Likewise.
3242         * output.h: Likewise.
3243         * plugin.cc: Likewise.
3244         * plugin.h: Likewise.
3245         * powerpc.cc: Likewise.
3246         * reloc.cc: Likewise.
3247         * script-c.h: Likewise.
3248         * script-sections.cc: Likewise.
3249         * script.cc: Likewise.
3250         * stringpool.cc: Likewise.
3251         * symtab.cc: Likewise.
3252         * symtab.h: Likewise.
3253         * target.cc: Likewise.
3254         * timer.cc: Likewise.
3255         * timer.h: Likewise.
3256         * version.cc: Likewise.
3257         * x86_64.cc: Likewise.
3258
3259 2010-08-24  Nick Clifton  <nickc@redhat.com>
3260
3261         PR 11899
3262         * layout.cc (segment_precedes): Sort segments by their physical
3263         addresses, if they have been set.
3264
3265 2010-08-23  Cary Coutant  <ccoutant@google.com>
3266
3267         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3268         symbols data.
3269         (Lib_group::include_member): Unlock object after deleting its
3270         symbols data.
3271         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3272         the bug fixed here.
3273
3274 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3275             Cary Coutant  <ccoutant@google.com>
3276
3277         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3278         constructor, and set_blocker.
3279         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3280         readsyms_blocker_.
3281         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3282         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3283         * testsuite/Makefile.am (start_lib_test): New test case.
3284         * testsuite/Makefile.in: Regenerate.
3285         * testsuite/start_lib_test_main.c: New file.
3286         * testsuite/start_lib_test_1.c: New file.
3287         * testsuite/start_lib_test_2.c: New file.
3288         * testsuite/start_lib_test_3.c: New file.
3289
3290 2010-08-19  Ian Lance Taylor  <iant@google.com>
3291
3292         * Makefile.in: Rebuild with automake 1.11.1.
3293         * aclocal.m4: Likewise.
3294         * testsuite/Makefile.in: Likewise.
3295
3296 2010-08-19  Ian Lance Taylor  <iant@google.com>
3297
3298         PR 10893
3299         * i386.cc (class Output_data_plt_i386): Update declarations.
3300         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3301         local_ifuncs_ fields.
3302         (Target_i386::do_plt_section_for_global): New function.
3303         (Target_i386::do_plt_section_for_local): New function.
3304         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3305         parameter; change all callers.  Initialize global_ifuncs_ and
3306         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3307         __rel_iplt_end.
3308         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3309         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3310         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3311         symbols.
3312         (Target_i386::make_plt_section): New function, broken out of
3313         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3314         (Target_i386::make_plt_entry): Call make_plt_section.
3315         (Target_i386::make_local_ifunc_plt_entry): New function.
3316         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3317         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3318         R_386_IRELATIVE to switch.
3319         (Target_i386::Scan::global): Likewise.
3320         (Target_i386::Relocate::relocate): Likewise.
3321         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3322         switch.
3323         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3324         (Target_x86_64::do_plt_section_for_global): New function.
3325         (Target_x86_64::do_plt_section_for_local): New function.
3326         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3327         parameter; change all callers.  If doing a static link define
3328         __rela_iplt_start and __rela_iplt_end.
3329         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3330         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3331         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3332         to point to .plt.
3333         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3334         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3335         switch.
3336         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3337         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3338         R_X86_64_IRELATIVE to switch.
3339         (Target_x86_64::Scan::global): Likewise.
3340         (Target_x86_64::Relocate::relocate): Likewise.
3341         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3342         switch.
3343         * target.h (class Target): Add plt_section_for_global and
3344         plt_section_for_local functions.  Add do_plt_section_for_global
3345         and do_plt_section_for_local virtual functions.
3346         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3347         clarifying comments.
3348         (Symbol::use_plt_offset): Handle IFUNC symbol.
3349         * object.cc (Sized_relobj::Sized_relobj): Initialize
3350         local_plt_offsets_.
3351         (Sized_relobj::local_has_plt_offset): New function.
3352         (Sized_relobj::local_plt_offset): New function.
3353         (Sized_relobj::set_local_plt_offset): New function.
3354         (Sized_relobj::do_count): Handle IFUNC symbol.
3355         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3356         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3357         is_ifunc_symbol functions.
3358         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3359         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3360         local_plt_offsets_ field.
3361         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3362         * output.h (class Output_section_data): Add non-const
3363         output_section function.
3364         (class Output_data_got): Update declarations.
3365         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3366         Add use_plt_offset parameter to global and local constructors.
3367         Change all callers.  Change local_sym_index_ field to 31 bits.
3368         Change GSYM_CODE and CONSTANT_CODE accordingly.
3369         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3370         doing a static link don't set sh_link field.
3371         (Output_data_got::Got_entry::write): Use PLT offset if
3372         appropriate.
3373         (Output_data_got::add_global_plt): New function.
3374         (Output_data_got::add_local_plt): New function.
3375         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3376         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3377         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3378         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3379         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3380         IFUNC conditional.
3381         * testsuite/ifunc-sel.h: New file.
3382         * testsuite/ifuncmain1.c: New file.
3383         * testsuite/ifuncmain1vis.c: New file.
3384         * testsuite/ifuncmod1.c: New file.
3385         * testsuite/ifuncdep2.c: New file.
3386         * testsuite/ifuncmain2.c: New file.
3387         * testsuite/ifuncmain3.c: New file.
3388         * testsuite/ifuncmod3.c: New file.
3389         * testsuite/ifuncmain4.c: New file.
3390         * testsuite/ifuncmain5.c: New file.
3391         * testsuite/ifuncmod5.c: New file.
3392         * testsuite/ifuncmain6pie.c: New file.
3393         * testsuite/ifuncmod6.c: New file.
3394         * testsuite/ifuncmain7.c: New file.
3395         * configure, testsuite/Makefile.in: Rebuild.
3396
3397 2010-08-18  Ian Lance Taylor  <iant@google.com>
3398
3399         * incremental.cc
3400         (Output_section_incremental_inputs::write_input_files): Add cast
3401         to avoid signed/unsigned comparison warning.
3402         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3403
3404 2010-08-12  Cary Coutant  <ccoutant@google.com>
3405
3406         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3407
3408 2010-08-13  Ian Lance Taylor  <iant@google.com>
3409
3410         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3411
3412 2010-08-12  Cary Coutant  <ccoutant@google.com>
3413             Doug Kwan  <dougkwan@google.com>
3414
3415         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3416         defintion overrides non-weak undef, remember that the original undef
3417         is not weak.
3418         * symtab.cc (Symbol_table::sized_write_global): For undef without
3419         an original weak binding, set binding to global in output.
3420         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3421         * testsuite/Makefile.in: Regenerate.
3422         * testsuite/strong_ref_weak_def.sh: New file.
3423         * testsuite/strong_ref_weak_def_1.c: Ditto.
3424         * testsuite/strong_ref_weak_def_2.c: Ditto.
3425
3426 2010-08-12  Cary Coutant  <ccoutant@google.com>
3427
3428         * testsuite/incremental_test.sh: Rewrite.
3429         * testsuite/incremental_test_1.c: Rewrite.
3430         * testsuite/incremental_test_2.c: Rewrite.
3431
3432 2010-08-12  Cary Coutant  <ccoutant@google.com>
3433
3434         * arm.cc (Target_arm::got_size): Add const.
3435         (Target_arm::got_entry_count): New function.
3436         (Target_arm::plt_entry_count): New function.
3437         (Target_arm::first_plt_entry_offset): New function.
3438         (Target_arm::plt_entry_size): New function.
3439         (Output_data_plt_arm::entry_count): New function.
3440         (Output_data_plt_arm::first_plt_entry_offset): New function.
3441         (Output_data_plt_arm::get_plt_entry_size): New function.
3442         * i386.cc (Target_i386::got_size): Add const.
3443         (Target_i386::got_entry_count): New function.
3444         (Target_i386::plt_entry_count): New function.
3445         (Target_i386::first_plt_entry_offset): New function.
3446         (Target_i386::plt_entry_size): New function.
3447         (Output_data_plt_i386::entry_count): New function.
3448         (Output_data_plt_i386::first_plt_entry_offset): New function.
3449         (Output_data_plt_i386::get_plt_entry_size): New function.
3450         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3451         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3452         * incremental.cc: Include target.h.
3453         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3454         parameter.  Adjust all callers.  Find incremental_got_plt section.
3455         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3456         section.
3457         (Output_section_incremental_inputs::set_final_data_size): Calculate
3458         size of incremental_got_plt section.
3459         (Output_section_incremental_inputs::do_write): Write the
3460         incremental_got_plt section.
3461         (Got_plt_view_info): New struct.
3462         (Local_got_offset_visitor): New class.
3463         (Global_got_offset_visitor): New class.
3464         (Global_symbol_visitor_got_plt): New class.
3465         (Output_section_incremental_inputs::write_got_plt): New function.
3466         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3467         Add parameter.  Adjust all callers.
3468         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3469         (Incremental_inputs::got_plt_section): New function.
3470         (Incremental_inputs::got_plt_section_): New data member.
3471         (Incremental_got_plt_reader): New class.
3472         * layout.cc (Layout::create_incremental_info_sections): Add the
3473         incremental_got_plt section.
3474         * object.h (Got_offset_list::get_list): New function.
3475         (Got offset_list::for_all_got_offsets): New function.
3476         (Sized_relobj::local_got_offset_list): New function.
3477         * powerpc.cc (Target_powerpc::got_size): Add const.
3478         (Target_powerpc::got_entry_count): New function.
3479         (Target_powerpc::plt_entry_count): New function.
3480         (Target_powerpc::first_plt_entry_offset): New function.
3481         (Target_powerpc::plt_entry_size): New function.
3482         (Output_data_plt_powerpc::entry_count): New function.
3483         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3484         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3485         * sparc.cc (Target_sparc::got_size): Add const.
3486         (Target_sparc::got_entry_count): New function.
3487         (Target_sparc::plt_entry_count): New function.
3488         (Target_sparc::first_plt_entry_offset): New function.
3489         (Target_sparc::plt_entry_size): New function.
3490         (Output_data_plt_sparc::entry_count): New function.
3491         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3492         (Output_data_plt_sparc::get_plt_entry_size): New function.
3493         * symtab.h (Symbol::got_offset_list): New function.
3494         (Symbol_table::for_all_symbols): New function.
3495         * target.h (Sized_target::got_entry_count): New function.
3496         (Sized_target::plt_entry_count): New function.
3497         (Sized_target::plt_entry_size): New function.
3498         * x86_64.cc (Target_x86_64::got_size): Add const.
3499         (Target_x86_64::got_entry_count): New function.
3500         (Target_x86_64::plt_entry_count): New function.
3501         (Target_x86_64::first_plt_entry_offset): New function.
3502         (Target_x86_64::plt_entry_size): New function.
3503         (Output_data_plt_x86_64::entry_count): New function.
3504         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3505         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3506
3507 2010-08-12  Cary Coutant  <ccoutant@google.com>
3508
3509         * archive.cc: Include incremental.h.
3510         (Archive::Archive): Initialize incremental_info_.
3511         (Archive::include_member): Record archive members in incremental info.
3512         (Add_archive_symbols::run): Record begin and end of an archive in
3513         incremental info.
3514         (Lib_group::include_member): Record objects in incremental info.
3515         * archive.h (Incremental_archive_entry): Forward declaration.
3516         (Archive::set_incremental_info): New member function.
3517         (Archive::incremental_info): New member function.
3518         (Archive::Unused_symbol_iterator): New class.
3519         (Archive::unused_symbols_begin): New member function.
3520         (Archive::unused_symbols_end): New member function.
3521         (Archive::incremental_info_): New data member.
3522         * incremental-dump.cc (find_input_containing_global): New function.
3523         (dump_incremental_inputs): Dump new incremental info sections.
3524         * incremental.cc: Include symtab.h.
3525         (Output_section_incremental_inputs): New class.
3526         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3527         new incremental info sections.
3528         (Sized_incremental_binary::do_check_inputs): Likewise.
3529         (Incremental_inputs::report_archive): Remove.
3530         (Incremental_inputs::report_archive_begin): New function.
3531         (Incremental_inputs::report_archive_end): New function.
3532         (Incremental_inputs::report_object): New function.
3533         (Incremental_inputs::finalize_inputs): Remove.
3534         (Incremental_inputs::report_input_section): New function.
3535         (Incremental_inputs::report_script): Rewrite.
3536         (Incremental_inputs::finalize): Do nothing but finalize string table.
3537         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3538         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3539         (Incremental_inputs::create_data_sections): New function.
3540         (Incremental_inputs::relocs_entsize): New function.
3541         (Output_section_incremental_inputs::set_final_data_size): New function.
3542         (Output_section_incremental_inputs::do_write): New function.
3543         (Output_section_incremental_inputs::write_header): New function.
3544         (Output_section_incremental_inputs::write_input_files): New function.
3545         (Output_section_incremental_inputs::write_info_blocks): New function.
3546         (Output_section_incremental_inputs::write_symtab): New function.
3547         * incremental.h (Incremental_script_entry): Forward declaration.
3548         (Incremental_object_entry): Forward declaration.
3549         (Incremental_archive_entry): Forward declaration.
3550         (Incremental_inputs): Forward declaration.
3551         (Incremental_inputs_header_data): Remove.
3552         (Incremental_inputs_header): Remove.
3553         (Incremental_inputs_header_write): Remove.
3554         (Incremental_inputs_entry_data): Remove.
3555         (Incremental_inputs_entry): Remove.
3556         (Incremental_inputs_entry_write): Remove.
3557         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3558         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3559         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3560         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3561         Likewise.
3562         (Incremental_input_entry): New class.
3563         (Incremental_script_entry): New class.
3564         (Incremental_object_entry): New class.
3565         (Incremental_archive_entry): New class.
3566         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3567         (Incremental_inputs::report_inputs): Remove.
3568         (Incremental_inputs::report_archive): Remove.
3569         (Incremental_inputs::report_archive_begin): New function.
3570         (Incremental_inputs::report_archive_end): New function.
3571         (Incremental_inputs::report_object): Change prototype.
3572         (Incremental_inputs::report_input_section): New function.
3573         (Incremental_inputs::report_script): Change prototype.
3574         (Incremental_inputs::get_reloc_count): New function.
3575         (Incremental_inputs::set_reloc_count): New function.
3576         (Incremental_inputs::create_data_sections): New function.
3577         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3578         (Incremental_inputs::inputs_section): New function.
3579         (Incremental_inputs::symtab_section): New function.
3580         (Incremental_inputs::relocs_section): New function.
3581         (Incremental_inputs::get_stringpool): Add const.
3582         (Incremental_inputs::command_line): Add const.
3583         (Incremental_inputs::inputs): Remove.
3584         (Incremental_inputs::command_line_key): New function.
3585         (Incremental_inputs::input_file_count): New function.
3586         (Incremental_inputs::input_files): New function.
3587         (Incremental_inputs::relocs_entsize): New function.
3588         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3589         (Incremental_inputs::finalize_inputs): Remove.
3590         (Incremental_inputs::Input_info): Remove.
3591         (Incremental_inputs::lock_): Remove.
3592         (Incremental_inputs::inputs_): Change type.
3593         (Incremental_inputs::inputs_map_): Remove.
3594         (Incremental_inputs::current_object_entry_): New data member.
3595         (Incremental_inputs::inputs_section_): New data member.
3596         (Incremental_inputs::symtab_section_): New data member.
3597         (Incremental_inputs::relocs_section_): New data member.
3598         (Incremental_inputs::reloc_count_): New data member.
3599         (Incremental_inputs_reader): New class.
3600         (Incremental_symtab_reader): New class.
3601         (Incremental_relocs_reader): New class.
3602         * layout.cc (Layout::finalize): Move finalization of incremental info
3603         and creation of incremental info sections to follow finalization of
3604         symbol table.  Set offsets for postprocessing sections.
3605         (Layout::create_incremental_info_sections): Call
3606         Incremental_inputs::create_data_sections.  Add incremental symtab
3607         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3608         sections to layout after input sections.
3609         * layout.h (struct Timespec): Forward declaration.
3610         (Layout::incremental_inputs): Add const.
3611         (Layout::create_incremental_info_sections): Add parameter.
3612         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3613         * object.cc: Include incremental.h.
3614         (Relobj::finalize_incremental_relocs): New function.
3615         (Sized_relobj::do_layout): Record input sections in incremental info.
3616         * object.h (Object::output_section): New function.
3617         (Object::output_section_offset): Moved from Relobj.
3618         (Object::get_incremental_reloc_base): New function.
3619         (Object::get_incremental_reloc_count): New function.
3620         (Object::do_output_section): New function.
3621         (Object::do_output_section_offset): Moved from Relobj.
3622         (Object::do_get_incremental_reloc_base): New function.
3623         (Object::do_get_incremental_reloc_count): New function.
3624         (Object::Object): Initialize new data members.
3625         (Relobj::output_section): Renamed do_output_section and moved to
3626         protected.
3627         (Relobj::output_section_offset): Moved to Object.
3628         (Relobj::do_get_incremental_reloc_base): New function.
3629         (Relobj::do_get_incremental_reloc_count): New function.
3630         (Relobj::allocate_incremental_reloc_counts): New function.
3631         (Relobj::count_incremental_reloc): New function.
3632         (Relobj::finalize_incremental_relocs): New function.
3633         (Relobj::next_incremental_reloc_index): New function.
3634         (Relobj::reloc_counts_): New data member.
3635         (Relobj::reloc_bases_): New data member.
3636         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3637         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3638         (Sized_relobj::incremental_relocs_scan): New function.
3639         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3640         (Sized_relobj::incremental_relocs_write): New function.
3641         (Sized_relobj::incremental_relocs_write_reltype): New function.
3642         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3643         incremental link.
3644         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3645         archives and object files elsewhere.
3646         (Add_symbols::run): Report object files here.
3647         (Finish_group::run): Report end of archive at end of group.
3648         * reloc.cc: Include layout.h, incremental.h.
3649         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3650         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3651         (Sized_relobj::incremental_relocs_scan): New function.
3652         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3653         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3654         (Sized_relobj::incremental_relocs_write): New function.
3655         (Sized_relobj::incremental_relocs_write_reltype): New function.
3656         * script.cc (read_input_script): Rewrite test for incremental link.
3657         Change call to Incremental_inputs::report_script.
3658         * symtab.h (Symbol_table::first_global_index): New function.
3659         (Symbol_table::output_count): New function.
3660
3661 2010-08-12  Doug Kwan  <dougkwan@google.com>
3662
3663         * arm.cc (Target_arm::merge_object_attributes): Check command line
3664         options --no-wchar-size-warning and --no-enum-size-warning.
3665         * options.h (General_options): Add ld-compatible options
3666         --no-enum-size-warning and --no-wchar-size-warning.
3667
3668 2010-08-04  Ian Lance Taylor  <iant@google.com>
3669
3670         * x86_64.cc (Target_x86_64::Scan::local): Use
3671         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3672         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3673         (Target_x86_64::Scan::global): Likewise.
3674         (Target_x86_64::Relocate::relocate): Likewise.
3675         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3676         Likewise.
3677
3678 2010-08-03  Cary Coutant  <ccoutant@google.com>
3679
3680         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3681         to reserve space in merged_strings vector. Keep total input size
3682         for stats.
3683         (Output_merge_string::do_print_merge_stats): Print total input size.
3684         * merge.h (Output_merge_string): Add input_size_ field.
3685         * stringpool.cc (Stringpool_template::string_length): Move
3686         implementations out of Stringpool_template class and place in
3687         stringpool.h.
3688         * stringpool.h (string_length): Move out of Stringpool_template.
3689
3690 2010-08-03  Ian Lance Taylor  <iant@google.com>
3691
3692         PR 11712
3693         * layout.cc (relaxation_loop_body): If address of load segment is
3694         set, adjust address to include headers if possible.
3695
3696 2010-08-03  Ian Lance Taylor  <iant@google.com>
3697
3698         * version.cc (version_string): Bump to 1.10.
3699
3700 2010-08-03  Ian Lance Taylor  <iant@google.com>
3701
3702         PR 11805
3703         * layout.h (enum Output_section_order): Define.
3704         (class Layout): Update declarations.
3705         * layout.cc (Layout::get_output_section): Add order parameter.
3706         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3707         is_first_non_relro parameters.  Change all callers.
3708         (Layout::choose_output_section): Likewise.
3709         (Layout::add_output_section_data): Likewise.
3710         (Layout::make_output_section): Likewise.  Set order.
3711         (Layout::default_section_order): New function.
3712         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3713         * output.cc (Output_section::Output_section): Initialize order_.
3714         Don't initialize deleted fields.
3715         (Output_segment::Output_segment): Don't initialize deleted
3716         fields.
3717         (Output_segment::add_output_section_to_load): New function
3718         replacing add_output_section.  Change all callers to call this or
3719         add_output_section_to_nonload.
3720         (Output_segment::add_output_section_to_nonload): New function.
3721         (Output_segment::remove_output_section): Rewrite.
3722         (Output_segment::add_initial_output_data): Likewise.
3723         (Output_segment::has_any_data_sections): Likewise.
3724         (Output_segment::is_first_section_relro): Likewise.
3725         (Output_segment::maximum_alignment): Likewise.
3726         (Output_segment::has_dynamic_reloc): New function replacing
3727         dynamic_reloc_count.  Change all callers.
3728         (Output_segment::has_dynamic_reloc_list): New function replacing
3729         dynamic_reloc_count_list.  Change all callers.
3730         (Output_segment::set_section_addresses): Rewrite.
3731         (Output_segment::set_offset): Rewrite.
3732         (Output_segment::find_first_and_last_list): Remove.
3733         (Output_segment::set_tls_offsets): Rewrite.
3734         (Output_segment::first_section_load_address): Likewise.
3735         (Output_segment::output_section_count): Likewise.
3736         (Output_segment::section_with_lowest_load_address): Likewise.
3737         (Output_segment::write_section_headers): Likewise.
3738         (Output_segment::print_sections_to_map): Likewise.
3739         * output.h (class Output_data): Remove dynamic_reloc_count_
3740         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3741         (Output_data::add_dynamic_reloc): Rewrite.
3742         (Output_data::has_dynamic_reloc): New function.
3743         (Output_data::dynamic_reloc_count): Remove.
3744         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3745         is_last_relro_, is_first_non_relro_, is_interp_,
3746         is_dynamic_linker_section_ fields.  Add order and set_order
3747         functions.  Remove is_relro_local, set_is_relro_local,
3748         is_last_relro, set_is_last_relro, is_first_non_relro,
3749         set_is_first_non_relro functions, is_interp, set_is_interp,
3750         is_dynamic_linker_section, and set_is_dynamic_linker_section
3751         functions.
3752         (class Output_segment): Change Output_data_list from std::list to
3753         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3754         output_bss_ fields.  Update declarations.
3755
3756 2010-08-02  Ian Lance Taylor  <iant@google.com>
3757
3758         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3759         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3760         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3761
3762 2010-08-02  Ian Lance Taylor  <iant@google.com>
3763
3764         PR 11855
3765         * script.cc (Script_options::Script_options): Initialize
3766         symbol_definitions_ and symbol_references_.
3767         (Script_options::add_symbol_assignment): Update
3768         symbol_definitions_ and symbol_references_.
3769         (Script_options::add_symbol_reference): New function.
3770         (script_symbol): New function.
3771         * script.h (class Script_options): Add symbol_definitions_ and
3772         symbol_references_ fields.
3773         (Script_options::referenced_const_iterator): New type.
3774         (Script_options::referenced_begin): New function.
3775         (Script_options::referenced_end): New function.
3776         (Script_options::is_referenced): New function.
3777         (Script_options::any_unreferenced): New function.
3778         * script-c.h (script_symbol): Declare.
3779         * yyscript.y (exp): Call script_symbol.
3780         * symtab.cc: Include "script.h".
3781         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3782         Change all callers.  Check symbols referenced by scripts.
3783         (Symbol_table::add_undefined_symbols_from_command_line): Add
3784         layout parameter.  Change all callers.
3785         (Symbol_table::do_add_undefined_symbols_from_command_line):
3786         Likewise.  Break out loop body.  Check symbols referenced by
3787         scripts.
3788         (Symbol_table::add_undefined_symbol_from_command_line): New
3789         function broken out of
3790         do_add_undefined_symbols_from_command_line.
3791         * symtab.h (class Symbol_table): Update declarations.
3792         * archive.cc: Include "layout.h".
3793         (Archive::should_include_member): Add layout parameter.  Change
3794         all callers.  Check for symbol mentioned in expression.
3795         * archive.h (class Archive): Update declaration.
3796         * object.cc (Sized_relobj::do_should_include_member): Add layout
3797         parameter.
3798         * object.h (Object::should_include_member): Add layout parameter.
3799         Change all callers.
3800         (Object::do_should_include_member): Add layout parameter.
3801         (class Sized_relobj): Update declaration.
3802         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3803         parameter.
3804         * dynobj.h (class Sized_dynobj): Update declaration.
3805         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3806         layout parameter.
3807         * plugin.h (class Sized_pluginobj): Update declaration.
3808
3809 2010-08-02  Ian Lance Taylor  <iant@google.com>
3810
3811         PR 11866
3812         * output.cc (Output_segment::set_offset): Search for the first and
3813         last sections rather than assuming that the list is in order.
3814         (Output_segment::find_first_and_last_list): New function.
3815         * output.h (class Output_segment): Update declarations.
3816         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3817         (relro_strip_test_SOURCES): New variable.
3818         (relro_strip_test_DEPENDENCIES): New variable.
3819         (relro_strip_test_LDFLAGS): New variable.
3820         (relro_strip_test_LDADD): New variable.
3821         (relro_strip_test.so): New target.
3822
3823 2010-08-02  Ian Lance Taylor  <iant@google.com>
3824
3825         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3826         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3827         (Target_i386::got_tlsdesc_section): New function.
3828         (Target_i386::got_section): Create space for GOT entries for
3829         TLSDESC relocations.
3830         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3831         R_386_TLS_GOTDESC.
3832         (Target_i386::Scan::global): Likewise.
3833         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3834         using TLSDESC GOT.
3835         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3836         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3837         (Target_x86_64::got_tlsdesc_section): New function.
3838         (Target_x86_64::got_section): Create space for GOT entries for
3839         TLSDESC relocations.
3840         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3841         R_386_TLS_GOTDESC.
3842         (Target_x86_64::Scan::global): Likewise.
3843         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3844         using TLSDESC GOT.
3845
3846 2010-08-02  Ian Lance Taylor  <iant@google.com>
3847
3848         * testsuite/final_layout.sh: Use dc to convert from hex to
3849         decimal.
3850
3851 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3852
3853         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3854         paramter to the call to gold::gc_process_relocs.
3855         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3856         paramter to the call to gold::gc_process_relocs.
3857         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3858         parameter to the call to gold::gc_process_relocs.
3859         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3860         template parameter to the call to gold::gc_process_relocs.
3861         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3862         paramter to the call to gold::gc_process_relocs.
3863         * gc.h (get_embedded_addend_size): New function.
3864         (gc_process_relocs): Save the size of the reloc for use by ICF.
3865         * icf.cc (get_section_contents): Get the addend from the text section
3866         for SHT_REL relocation sections.
3867         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3868         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3869         * int_encoding.h (read_from_pointer): New overloaded function.
3870         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3871         * testsuite/icf_sht_rel_addend_test.sh: New file.
3872         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3873         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3874
3875 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3876
3877         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3878         * Makefile.in: Regenerate.
3879         * testsuite/Makefile.in: Regenerate.
3880
3881 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3882
3883         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3884         * gold/testsuite/debug_msg.cc: Likewise.
3885         * gold/testsuite/odr_violation1.cc
3886         * gold/testsuite/odr_violation2.cc
3887
3888 2010-07-21  Cary Coutant  <ccoutant@google.com>
3889
3890         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3891         string, and length fields.
3892         (Output_merge_string::Merged_strings_list): New type.
3893         (Output_merge_string::Merged_strings_lists): New typedef.
3894         (Output_merge_string): Replace merged_strings_ with
3895         merged_strings_lists_.
3896         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3897         Merged_strings_list per input object and section.  Don't store pointer
3898         to the string.  Don't store length with each merged string entry.
3899         (Output_merge_string::finalize_merged_data): Loop over list of merged
3900         strings lists.  Recompute length of each merged string.
3901
3902 2010-07-15  Cary Coutant  <ccoutant@google.com>
3903
3904         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3905         here.
3906
3907 2010-07-14  Ian Lance Taylor  <iant@google.com>
3908
3909         * descriptors.cc (Descriptors::open): Report correct name in error
3910         message.
3911
3912 2010-07-13  Doug Kwan  <dougkwan@google.com>
3913
3914         * arm.cc (Arm_input_section::Arm_input_section): For a
3915         SHT_ARM_EXIDX section, always keeps the input sections.
3916         (Arm_input_section::set_exidx_section_link): New method.
3917         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3918         has_errors_ to false.
3919         (Arm_exidx_input_section::has_errors,
3920         Arm_exidx_input_section::set_has_errors): New methods.
3921         (Arm_exidx_input_section::has_errors_): New data member.
3922         (Arm_relobj::get_exidx_shndx_list): New method.
3923         (Arm_output_section::append_text_sections_to_list): Do not skip
3924         section without SHF_EXECINSTR.
3925         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3926         errors.
3927         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3928         section header.  Make error messages more verbose.  Check for
3929         a non-executable section linked to an EXIDX section.
3930         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3931         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3932         check that there is no deferred EXIDX section if we exit early.
3933         Instead of not making an EXIDX section in case of an error, make one
3934         and set the has_errors flag of it.
3935         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3936         in a relocatable link.
3937         (Target_arm::do_relax): Look for the EXIDX output section instead of
3938         assuming that it is called .ARM.exidx.
3939         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3940         section list.  Do not check for SHF_EXECINSTR section flags but
3941         skip any input section with errors.
3942         * output.cc (Output_section::Output_section): Initialize
3943         always_keeps_input_sections_ to false.
3944         (Output_section::add_input_section): Check for
3945         always_keeps_input_sections_.
3946         *  output.h (Output_section::always_keeps_input_sections,
3947         Output_section::set_always_keeps_input_sections): New methods.
3948         (Output_section::always_keeps_input_sections): New data member.
3949
3950 2010-07-13  Rafael Espindola  <espindola@google.com>
3951
3952         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3953         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3954
3955 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3956             Ian Lance Taylor  <iant@google.com>
3957
3958         * output.h (Output_section_lookup_maps::add_merge_section):
3959         Correct check of whether value was inserted.
3960         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3961         (Output_section_lookup_maps::add_relaxed_input_section):
3962         Likewise.
3963         * arm.cc (Target_arm::got_section): Remove used local os.
3964         * i386.cc (Target_i386::got_section): Likewise.
3965         * x86_64.cc (Target_x86_64::got_section): Likewise.
3966         * sparc.cc (Target_sparc::got_section): Likewise.
3967         (Target_sparc::relocate): Remove unused local have_got_offset.
3968         * powerpc.cc (Target_powerpc::relocate): Likewise.
3969
3970 2010-07-13  Ian Lance Taylor  <iant@google.com>
3971
3972         * compressed_output.cc (zlib_decompress): Fix signature in
3973         !HAVE_ZLIB_H case.
3974
3975         * archive.cc (Archive::include_member): Unlock an external member
3976         of a thin archive.  Don't bother to delete an object we know is
3977         NULL.
3978
3979 2010-07-12  Cary Coutant  <ccoutant@google.com>
3980
3981         * compressed_output.cc (zlib_decompress): New function.
3982         (get_uncompressed_size): New function.
3983         (decompress_input_section): New function.
3984         * compressed_output.h (get_uncompressed_size): New function.
3985         (decompress_input_section): New function.
3986         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3987         Handle compressed debug sections.
3988         * layout.cc (is_compressed_debug_section): New function.
3989         (Layout::output_section_name): Map compressed section names to
3990         canonical names.
3991         * layout.h (is_compressed_debug_section): New function.
3992         (is_debug_info_section): Recognize compressed debug sections.
3993         * merge.cc: Include compressed_output.h.
3994         (Output_merge_data::do_add_input_section): Handle compressed
3995         debug sections.
3996         (Output_merge_string::do_add_input_section): Handle compressed
3997         debug sections.
3998         * object.cc: Include compressed_output.h.
3999         (Sized_relobj::Sized_relobj): Initialize new data members.
4000         (build_compressed_section_map): New function.
4001         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4002         * object.h (Object::section_is_compressed): New method.
4003         (Object::do_section_is_compressed): New method.
4004         (Sized_relobj::Compressed_section_map): New type.
4005         (Sized_relobj::do_section_is_compressed): New method.
4006         (Sized_relobj::compressed_sections_): New data member.
4007         * output.cc (Output_section::add_input_section): Handle compressed
4008         debug sections.
4009         * reloc.cc: Include compressed_output.h.
4010         (Sized_relobj::write_sections): Handle compressed debug sections.
4011
4012 2010-07-08  Cary Coutant  <ccoutant@google.com>
4013
4014         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4015         weak when resolving to a dynamic def.
4016         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4017         for weak undef/dynamic def cases. Adjust callers.
4018         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4019         undef_binding_weak_.
4020         (Symbol_table::sized_write_globals): Adjust symbol binding.
4021         (Symbol_table::sized_write_symbol): Add binding parameter.
4022         * symtab.h (Symbol::set_undef_binding): New method.
4023         (Symbol::is_undef_binding_weak): New method.
4024         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4025         (Symbol_table::should_override): Add new parameter.
4026         (Symbol_table::sized_write_symbol): Add new parameter.
4027
4028         * testsuite/weak_undef_file1.cc: Add new test case.
4029         * testsuite/weak_undef_file2.cc: Fix header comment.
4030         * testsuite/weak_undef_test.cc: Add new test case.
4031
4032 2010-06-29  Doug Kwan  <dougkwan@google.com>
4033
4034         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4035         Initialize USE_SYMBOL_.
4036         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4037         definition.
4038         (Arm_reloc_property::uses_symbol_): New data member declaration.
4039         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4040         uses symbol value and symbol is undefined but not weakly undefined.
4041
4042 2010-06-28  Rafael Espindola  <espindola@google.com>
4043
4044         * plugin.cc (Plugin::load): Use dlerror.
4045
4046 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4047
4048         * symtab.cc (detect_odr_violations): When reporting an ODR
4049         violation, report an object where the symbol is defined.
4050
4051 2010-06-25  Doug Kwan  <dougkwan@google.com>
4052
4053         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4054         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4055         definition.
4056         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4057         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4058         target hook to detect function points.
4059         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4060         * icf.h (Icf::check_section_for_function_pointers): Change type of
4061         parameter SECTION_NAME to const reference to std::string.  Use
4062         target hook to determine if section may have unsafe pointers.
4063         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4064         method definition.
4065
4066 2010-06-21  Rafael Espindola  <espindola@google.com>
4067
4068         * fileread.cc (Input_file::find_fie): New
4069         (Input_file::open): Use Input_file::find_fie.
4070         * fileread.h (Input_file::find_fie): New
4071         * plugin.cc (set_extra_library_path): New.
4072         (Plugin::load): Add set_extra_library_path to the transfer vector.
4073         (Plugin_manager::set_extra_library_path): New.
4074         (Plugin_manager::add_input_file): Use the extra search path if set.
4075         (set_extra_library_path(): New.
4076         * plugin.h (Plugin_manager): Add set_extra_library_path and
4077         extra_search_path_.
4078
4079 2010-06-19  Cary Coutant  <ccoutant@google.com>
4080
4081         * layout.cc (gdb_sections): Add .debug_types.
4082         (lines_only_debug_sections): Likewise.
4083
4084 2010-06-18  Rafael Espindola  <espindola@google.com>
4085
4086         * plugin.cc (add_input_file,add_input_library)
4087         (Plugin_manager::add_input_file): Make filename arguments const.
4088         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4089         const.
4090
4091 2010-06-16  Doug Kwan  <dougkwan@google.com>
4092
4093         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4094         .ARM.attributes section if we have not merged any input
4095         attributes sections.
4096
4097 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4098
4099         * arm.cc: Allow combining objects with no EABI version
4100         information.
4101
4102 2010-06-15  Rafael Espindola  <espindola@google.com>
4103
4104         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4105
4106 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4107
4108         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4109         (struct iovec): Correct !HAVE_READV definition.
4110
4111 2010-06-10  Cary Coutant  <ccoutant@google.com>
4112
4113         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4114         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4115         reloc sections.
4116         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4117
4118         PR 11683
4119         * symtab.h (Symbol::is_placeholder): New member function.
4120         * target-reloc.h (relocate_section): Check for placeholder symbols.
4121
4122         * testsuite/Makefile.am (plugin_test_8): New test.
4123         (plugin_test_9): New test.
4124         * testsuite/Makefile.in: Regenerate.
4125
4126 2010-06-09  Nick Clifton  <nickc@redhat.com>
4127
4128         * yyscript.y (input_list_element): Allow strings prefixed with
4129         the '-' character.  Treat these as libraries.
4130         * script.cc (script_add_library): New function.  Adds a library
4131         specified by "-l<name>" found in an input script.
4132         * script-c.h: Add prototype for script_add_library.
4133
4134 2010-06-07  Doug Kwan  <dougkwan@google.com>
4135
4136         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4137         Restrict stub-group size to be within long conditional branch
4138         range when working around cortex-A8 erratum.
4139
4140 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4141
4142         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4143         #ifdef typo.
4144
4145 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4146
4147         PR gold/11658
4148         * output.cc
4149         (Output_section::Input_section_sort_entry::compare_section_ordering):
4150         Change to return non-zero correctly.
4151         (Output_section::Input_section_sort_section_order_index_compare
4152         ::operator()): Change to fix ambiguity in comparisons.
4153
4154 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4155
4156         * gold.h (is_wildcard_string): New function.
4157         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4158         (Layout::layout_eh_frame): Ditto.
4159         (Layout::find_section_order_index): New method.
4160         (Layout::read_layout_from_file): New method.
4161         * layout.h (Layout::find_section_order_index): New method.
4162         (Layout::read_layout_from_file): New method.
4163         (Layout::input_section_position_): New private member.
4164         (Layout::input_section_glob_): New private member.
4165         * main.cc (main): Call read_layout_from_file here.
4166         * options.h (--section-ordering-file): New option.
4167         * output.cc (Output_section::input_section_order_specified_): New
4168         member.
4169         (Output_section::Output_section): Initialize new member.
4170         (Output_section::add_input_section): Add new parameter.
4171         Keep input sections when --section-ordering-file is used.
4172         (Output_section::set_final_data_size): Sort input sections when
4173         section ordering file is specified.
4174         (Output_section::Input_section_sort_entry): Add new parameter.
4175         Check sorting type.
4176         (Output_section::Input_section_sort_entry::compare_section_ordering):
4177         New method.
4178         (Output_section::Input_section_sort_compare::operator()): Change to
4179         consider section_order_index.
4180         (Output_section::Input_section_sort_init_fini_compare::operator()):
4181         Change to consider section_order_index.
4182         (Output_section::Input_section_sort_section_order_index_compare
4183         ::operator()): New method.
4184         (Output_section::sort_attached_input_sections): Change to sort
4185         according to section order when specified.
4186         (Output_section::add_input_section<32, true>): Add new parameter.
4187         (Output_section::add_input_section<64, true>): Add new parameter.
4188         (Output_section::add_input_section<32, false>): Add new parameter.
4189         (Output_section::add_input_section<64, false>): Add new parameter.
4190         * output.h (Output_section::add_input_section): Add new parameter.
4191         (Output_section::input_section_order_specified): New
4192         method.
4193         (Output_section::set_input_section_order_specified): New method.
4194         (Input_section::Input_section): Initialize section_order_index_.
4195         (Input_section::section_order_index): New method.
4196         (Input_section::set_section_order_index): New method.
4197         (Input_section::section_order_index_): New member.
4198         (Input_section::Input_section_sort_section_order_index_compare): New
4199         struct.
4200         (Output_section::input_section_order_specified_): New member.
4201         * script-sections.cc (is_wildcard_string): Delete and move modified
4202         method to gold.h.
4203         (Output_section_element_input::Output_section_element_input): Modify
4204         call to is_wildcard_string.
4205         (Output_section_element_input::Input_section_pattern
4206         ::Input_section_pattern): Ditto.
4207         (Output_section_element_input::Output_section_element_input): Ditto.
4208         * testsuite/Makefile.am (final_layout): New test case.
4209         * testsuite/Makefile.in: Regenerate.
4210         * testsuite/final_layout.cc: New file.
4211         * testsuite/final_layout.sh: New file.
4212
4213 2010-06-01  Rafael Espindola  <espindola@google.com>
4214
4215         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4216
4217 2010-06-01  Rafael Espindola  <espindola@google.com>
4218
4219         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4220         visibility of symbols.
4221
4222 2010-05-27  Doug Kwan  <dougkwan@google.com>
4223
4224         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4225         from start of output section instead of address for a local symbol
4226         in a merged or relaxed section when doing a relocatable link.
4227
4228 2010-05-26  Rafael Espindola  <espindola@google.com>
4229
4230        PR 11604
4231         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4232         adding sections the garbage collector removed.
4233         * gold/testsuite/Makefile.am: Add test.
4234         * gold/testsuite/Makefile.in: Regenerate.
4235         * gold/testsuite/plugin_test_7.sh: New.
4236         * gold/testsuite/plugin_test_7_1.c: New.
4237         * gold/testsuite/plugin_test_7_2.c: New.
4238
4239 2010-05-26  Rafael Espindola  <espindola@google.com>
4240
4241         * script-sections.cc (Output_section_definition::set_section_addresses):
4242         Check for --section-start.
4243
4244 2010-05-26  Doug Kwan  <dougkwan@google.com>
4245
4246         * arm.cc (Arm_scan_relocatable_relocs): New class.
4247         (Target_arm::relocate_special_relocatable): New method.
4248         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4249         (Arm_relocate_functions::thumb_branch_common): Same.
4250         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4251         instead of Default_scan_relocatable_relocs.
4252         * target-reloc.h (relocate_for_relocatable): Let target handle
4253         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4254         * target.h (Sized_target::relocate_special_relocatable): New method.
4255
4256 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4257
4258         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4259
4260 2010-05-23  Doug Kwan  <dougkwan@google.com>
4261
4262         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4263         instead of a cast.
4264         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4265         with a direct branch, not a conditional branch, to a stub.
4266         * merge.cc (Output_merge_base::record_input_section): New method
4267         defintion.
4268         (Output_merge_data::do_add_input_section): Record input section if
4269         keeps-input-sections flag is set.
4270         (Output_merge_string::do_add_input_section): Ditto.
4271         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4272         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4273         INPUT_SECTIONS_.
4274         (Output_merge_base::keeps_input_sections,
4275         Output_merge_base::set_keeps_input_sections,
4276         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4277         method definitions.
4278         (Output_merge_base::Input_sections): New type declaration.
4279         (Output_merge_base::input_sections_begin,
4280         Output_merge_base::input_sections_end,
4281         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4282         (Output_merge_base::bool keeps_input_sections_,
4283         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4284         Output_merge_base::input_sections_): New data members.
4285         (Output_merge_data::do_set_keeps_input_sections): New method
4286         defintion.
4287         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4288         * output.cc (Output_section::Input_section::relobj): Move method
4289         defintion from class declaration to here and handle merge sections.
4290         (Output_section::Input_section::shndx): Ditto.
4291         (Output_section::Output_section): Remove initializations of removed
4292         data members and initialize new data member LOOKUP_MAPS_.
4293         (Output_section::add_input_section): Set keeps-input-sections flag
4294         for a newly created merge output section as appropriate.  Adjust code
4295         to use Output_section_lookup_maps class.
4296         (Output_section::add_relaxed_input_section): Adjst code for lookup
4297         maps code refactoring.
4298         (Output_section::add_merge_input_section): Add a new parameter
4299         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4300         class.  If adding input section to a newly created merge output
4301         section fails, remove the new merge section.
4302         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4303         Adjust code for use of the Output_section_lookup_maps class.
4304         (Output_section::find_merge_section): Ditto.
4305         (Output_section::build_lookup_maps): New method defintion.
4306         (Output_section::find_relaxed_input_section): Adjust code to use
4307         Output_section_lookup_maps class.
4308         (Output_section::get_input_sections): Export merge sections.  Adjust
4309         code to use Output_section_lookup_maps class.
4310         (Output_section:::add_script_input_section): Adjust code to use
4311         Output_section_lookup_maps class.  Update lookup maps for merge
4312         sections also.
4313         (Output_section::discard_states): Use Output_section_lookup_maps.
4314         (Output_section::restore_states): Same.
4315         * output.h (Merge_section_properties): Move class defintion out of
4316         Output_section.
4317         (Output_section_lookup_maps): New class.
4318         (Output_section::Input_section::is_merge_section): New method
4319         defintion.
4320         (Output_section::Input_section::relobj): Move defintion out of class
4321         defintion.  Declare method only.
4322         (Output_section::Input_section::shndx): Ditto.
4323         (Output_section::Input_section::output_merge_base): New method defintion.
4324         (Output_section::Input_section::u2_.pomb): New union field.
4325         (Output_section::Merge_section_by_properties_map,
4326         Output_section::Output_section_data_by_input_section_map,
4327         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4328         Remove types.
4329         (Output_section::add_merge_input_section): Add new parameter
4330         KEEPS_INPUT_SECTIONS.
4331         (Output_section::build_lookup_maps): New method declaration.
4332         (Output_section::merge_section_map_,
4333         Output_section::merge_section_by_properties_map_,
4334         Output_section::relaxed_input_section_map_,
4335         Output_section::is_relaxed_input_section_map_valid_): Remove data
4336         members.
4337         (Output_section::lookup_maps_): New data member.
4338
4339 2010-05-21  Doug Kwan  <dougkwan@google.com>
4340
4341         PR gold/11619
4342         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4343         avoid a compilation error.
4344
4345 2010-05-19  Rafael Espindola  <espindola@google.com>
4346
4347         * script-sections.cc (Output_section_definition::allocate_to_segment):
4348         Update the phdrs_list even when the output section is NULL.
4349         * testsuite/Makefile.am: Add test.
4350         * testsuite/Makefile.in: Regenerate.
4351         * testsuite/script_test_9.cc: New.
4352         * testsuite/script_test_9.sh: New.
4353         * testsuite/script_test_9.t: New.
4354
4355 2010-05-19  Doug Kwan  <dougkwan@google.com>
4356
4357         * arm.cc (Arm_input_section::original_size): New method.
4358         (Arm_input_section::do_addralign): Add a cast.
4359         (Arm_input_section::do_output_offset): Remove static cast.
4360         (Arm_input_section::original_addralign,
4361          Arm_input_section::original_size_): Change type to uint32_t.
4362         (Arm_input_section::init): Add safe casts for section alignment
4363         and size.
4364         (Arm_input_section::set_final_data_size): Do not set address and
4365         offset of stub table.
4366         (Arm_output_section::fix_exidx_coverage): Change use of of
4367         Output_section::Simple_input_section to that of
4368         Output_section::Input_section.
4369         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4370         except for the first pass.
4371         * output.cc (Output_section::get_input_sections): Change type of
4372         input_sections to std::list<Input_section>.
4373         (Output_section::add_script_input_section): Rename from
4374         Output_section::add_simple_input_section.  Change type of SIS
4375         parameter from Simple_input_section to Input_section.
4376         * output.h (Output_section::Simple_input_section): Remove class.
4377         (Output_section::Input_section): Change class visibility to public.
4378         (Output_section::Input_section::addralign): Use stored alignments
4379         for special input sections if set.
4380         (Output_section::Input_section::set_addralign): New method.
4381         (Output_section::get_input_sections): Change parameter type from
4382         list of Simple_input_section to list of Input_section.
4383         (Output_section::add_script_input_section): Rename from
4384         Output_section::add_simple_input_section. Change first parameter's
4385         type from Simple_input_section to Input_section and remove the
4386         second and third parameters.
4387         * script-sections.cc (Input_section::Input_section_list): Change
4388         type to list of Output_section::Input_section/
4389         (Input_section_info::Input_section_info): Change parameter type of
4390         INPUT_SECTION to Output_section::Input_section.
4391         (Input_section_info::input_section): Change return type.
4392         (Input_section_info::input_section_): Change type to
4393         Output_section::Input_section.
4394         (Output_section_element_input::set_section_addresses): Adjust code
4395         to use Output_section::Input_section instead of
4396         Output_section::Simple_input_section.  Adjust code for renaming
4397         of Output_section::add_simple_input_section.
4398         (Orphan_output_section::set_section_addresses): Ditto.
4399
4400 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4401
4402         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4403         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4404
4405 2010-05-18  Rafael Espindola  <espindola@google.com>
4406
4407         * options.cc (General_options::finalize): Handle -nostdlib.
4408         * options.h (nostdlib): New option.
4409         * script.cc (script_add_search_dir): Handle -nostdlib.
4410
4411 2010-05-12  Doug Kwan  <dougkwan@google.com>
4412
4413         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4414         attributes section only if there no attributes section after merging.
4415         (Target_arm::merge_object_attributes): Move value of
4416         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4417         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4418         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4419         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4420         and arm_attr_merge_7.stdout.
4421         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4422         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4423         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4424         arm_attr_merge_7b.o): New rules.
4425         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4426         arm_attr_merge_7
4427         * testsuite/Makefile.in: Regenerate.
4428         * testsuite/arm_attr_merge.sh: New file.
4429         * testsuite/arm_attr_merge_[67][ab].s: Same.
4430
4431 2010-05-05  Nick Clifton  <nickc@redhat.com>
4432
4433         * po/es.po: Updated Spanish translation.
4434
4435 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4436
4437         * Makefile.am (install-exec-local): Properly install gold as
4438         default cross linker.
4439         * Makefile.in: Regenerated.
4440
4441 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4442             Nick Clifton  <nickc@redhat.com>
4443
4444         * configure.ac (install_as_default): Define and set to false
4445         unless --enable-gold or --enable-gold=both/gold has been
4446         specified.
4447         * configure: Regenerate.
4448
4449         * Makefile.am (install-exec-local): Install the executable as
4450         'ld.gold'.  If install_as_default is true then also install it as
4451         'ld'.
4452         * Makefile.in: Regenerated.
4453
4454 2010-04-24  Ian Lance Taylor  <iant@google.com>
4455
4456         * layout.cc (Layout::layout_reloc): In relocatable link don't
4457         combine reloc sections for grouped sections.
4458
4459 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4460
4461         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4462         sections that are not ordinary to icf.
4463         * icf.cc (get_section_contents): Handle relocation pointing to section
4464         with no object or shndx information.
4465         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4466         * testsuite/Makefile.in: Regenerate.
4467         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4468         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4469
4470 2010-04-22  Ian Lance Taylor  <iant@google.com>
4471
4472         * expression.cc (Expression::Expression_eval_info): Add
4473         result_alignment_pointer field.
4474         (Expression::eval_with_dot): Add result_alignment_pointer
4475         parameter.  Change all callers.
4476         (Expression::eval_maybe_dot): Likewise.
4477         (class Binary_expression): Add alignment_pointer parameter to
4478         left_value and right_value.  Change all callers.
4479         (BINARY_EXPRESSION): Set result alignment.
4480         (class Trinary_expression): Add alignment_pointer parameter to
4481         arg2_value and arg3_value.  Change all callers.
4482         (Trinary_cond::value): Set result alignment.
4483         (Max_expression::value, Min_expression::value): Likewise.
4484         (Align_expression::value): Likewise.
4485         * script-sections.cc (class Sections_element): Add dot_alignment
4486         parameter to set_section_addresses virtual function.  Update
4487         instantiations.
4488         (class Output_section_element): Likewise.
4489         (Script_sections::create_segments): Add dot_alignment parameter.
4490         Change all callers.
4491         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4492         (Script_sections::set_phdrs_clause_addresses): Likewise.
4493         * script-sections.h: Update declarations.
4494         * script.h: Update declarations.
4495         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4496         min_p_align.
4497         * testsuite/script_test_3.t: Set large alignment.
4498         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4499         segment has expected alignment.
4500
4501 2010-04-22  Nick Clifton  <nickc@redhat.com>
4502
4503         * po/gold.pot: Updated by the Translation project.
4504         * po/vi.po: Updated Vietnamese translation.
4505
4506 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4507
4508         * testsuite/Makefile.am (check_PROGRAMS): Add
4509         icf_virtual_function_folding_test.
4510         * testsuite/Makefile.in: Regenerated.
4511
4512 2010-04-15  Andrew Haley  <aph@redhat.com>
4513
4514         * options.h (merge_exidx_entries): New option.
4515         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4516         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4517         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4518         (Target_arm::merge_exidx_entries): New function.
4519         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4520         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4521         to Arm_exidx_fixup constructor.
4522         Add new arg, merge_exidx_entries.
4523         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4524         Arm_output_section::fix_exidx_coverage.
4525
4526 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4527
4528         * icf.cc (get_section_contents): Check for preemptible functions.
4529         Ignore addend when appropriate.
4530         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4531         section folded.
4532         (add_from_relobj): Check for section folded.
4533         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4534         * symtab.h (should_add_dynsym_entry): Add new parameter.
4535         * target-reloc.h (scan_relocs): Check for section folded.
4536         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4537         Check reloc types for function pointers in shared objects.
4538         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4539         case.
4540         (icf_preemptible_functions_test): New test case.
4541         (icf_string_merge_test): New test case.
4542         * testsuite.Makefile.in: Regenerate.
4543         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4544         bar_glob.  Refactor code.
4545         * testsuite/icf_preemptible_functions_test.cc: New file.
4546         * testsuite/icf_preemptible_functions_test.sh: New file.
4547         * testsuite/icf_string_merge_test.cc: New file.
4548         * testsuite/icf_string_merge_test.sh: New file.
4549         * testsuite/icf_virtual_function_folding_test.cc: New file.
4550         * testsuite/icf_virtual_function_folding_test.sh: New file.
4551
4552 2010-04-14  Doug Kwan  <dougkwan@google.com>
4553
4554         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4555         for local symbol recounting if we remove a section due to ICF.
4556         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4557         there are no regular objects in input.
4558
4559 2010-04-13  Doug Kwan  <dougkwan@google.com>
4560
4561         * arm.cc (Arm_input_section::set_final_data_size): Compute
4562         accurate final data size instead of using current data size.
4563
4564 2010-04-09  Doug Kwan  <dougkwan@google.com>
4565
4566         * layout.cc (Layout::choose_output_section): Handle script section
4567         types.
4568         (Layout::make_output_section_for_script): Add section type parameter.
4569         Handle script section types.
4570         * layout.h (Layout::make_output_section_for_script): Add section
4571         type parameter.
4572         * output.cc (Output_section::Output_section): Initialize data member
4573         is_noload_.
4574         (Output_section::do_reset_address_and_file_offset): Do not set address
4575         to 0 if section is a NOLOAD section.
4576         * output.h (Output_section::is_noload): New method.
4577         (Output_section::set_is_noload): Ditto.
4578         (Output_section::is_noload_): New data member.
4579         * script-c.h (Script_section_type): New enum type.
4580         (struct Parser_output_section_header): Add new file section_type.
4581         * script-sections.cc (Sections_element::output_section_name): Add
4582         parameter for returning script section type.
4583         (Output_section_definition::output_section_name): Ditto.
4584         (Output_section_definition::section_type)P; New method.
4585         (Output_section_definiton::script_section_type_name): Ditto.
4586         (Output_section_definition::script_section_type_): New data member.
4587         (Output_section_definition::Output_section_definition): Initialize
4588         data member Output_section_definition::script_section_type_.
4589         (Output_section_definition::create_sections): Pass script section type
4590         to Layout::make_output_section_for_script.
4591         (Output_section_definition::output_section_name): Return script
4592         section type to caller.
4593         (Output_section_definition::set_section_address): Do not advance
4594         dot value and load address if section type is NOLOAD.  Set address
4595         of NOLOAD sections regardless of section flags.
4596         (Output_section_definition::print): Print section type if it is
4597         not SCRIPT_SECTION_TYPE_NONE.
4598         (Output_section_definition::section_type): New method.
4599         (Output_section_definition::script_section_type_name): Ditto.
4600         (Script_sections::output_section_name): Add new parameter
4601         PSECTION_TYPE for returning script section type.  Pass it to
4602         section elements.  Handle discard sections.
4603         (Sort_output_sections::operator()): Handle NOLOAD sections.
4604         * script-sections.h (Script_sections::Section_type): New enum type.
4605         (Script_sections::output_section_name): Add a new parameter for
4606         returning script section type.
4607         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4608         INFO and NOLOAD.
4609         * yyscript.y (union): Add new field SECTION_TYPE.
4610         (COPY, DSECT, INFO, NOLOAD): New tokens.
4611         (opt_address_and_section_type): Change type to output_section_header.
4612         (section_type): New non-terminal
4613         (section_header): Handle section type.
4614         (opt_address_and_section_type): Return section type value.
4615
4616 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4617
4618         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4619         * testsuite/plugin_common_test_2.c (foo): Likewise.
4620
4621 2010-04-08  Doug Kwan  <dougkwan@google.com>
4622
4623         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4624         Output_merge_data.
4625         * output.cc (Output_section::add_merge_input_section): Simplify
4626         code and return status of Output_merge_base::add_input_section.
4627         Update merge section map only if Output_merge_base::add_input_section
4628         returns true.
4629
4630 2010-04-07  Doug Kwan  <dougkwan@google.com>
4631
4632         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4633         if section is marked as containing instructions but has no mapping
4634         symbols.
4635         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4636         correct section index.
4637         (Arm_relobj::find_linked_text_section): Ditto.
4638
4639 2010-04-07  Cary Coutant  <ccoutant@google.com>
4640
4641         * archive.cc (include_member): Destroy Read_symbols_data object before
4642         releasing file.
4643         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4644         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4645         (Read_symbols_data::~Read_symbols_data) New destructor.
4646         (Section_relocs::Section_relocs) New constructor.
4647         (Section_relocs::~Section_relocs) New destructor.
4648         (Read_relocs_data::Read_relocs_data) New constructor.
4649         (Read_relocs_data::~Read_relocs_data) New destructor.
4650         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4651         pointers to NULL after deleting.
4652
4653 2010-04-07  Doug Kwan  <dougkwan@google.com>
4654
4655         * arm.cc: Replace "endianity" with "endianness" in comments.
4656         (Arm_exidx_cantunwind): Ditto.
4657         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4658         (Arm_relobj::merge_flags_and_attributes): New method.
4659         (Arm_relobj::merge_flags_and_attributes_): New data member.
4660         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4661         (Arm_relobj::scan_sections_for_stubs): Ditto.
4662         (Arm_relobj::do_read_symbols): Check to see if we really want to
4663         merge processor-specific flags and attributes.  Exit early if
4664         an object is empty except for section names and the undefined symbol.
4665         (Target_arm::do_finalize_sections): Move check for ELF format to
4666         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4667         attributes from a regular object only when we have determined that
4668         it is aapropriate.  Do not create an .ARM.attributes section in
4669         output if there is no regular input object.
4670         (Target_arm::merge_processor_specific_flags): Check
4671         --warn-mismatch before printing any error.
4672         (Target_arm::merge_object_attributes): Ditto.
4673         * gold.cc (queue_middle_tasks): Handle the case in which there is
4674         no regular object in input.
4675         * options.cc (General_options::parse_EB): New method.
4676         (General_options::parse_EL): Same.
4677         (General_options::General_options): Initialize endianness_.
4678         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4679         New options.
4680         (General_options::Endianness): New enum.
4681         (General_options::endianness): New method.
4682         (General_options::endianness_): New data member.
4683         * parameters.cc (Parameters::set_options): Check target endianness.
4684         (Parameters::set_target_once): Ditto.
4685         (Parameters::check_target_endianness): New method.
4686         (parameters_force_valid_target): If either -EL or -EB is specified,
4687         use it to define endianness of default target.
4688         * parameters.h (Parameters::check_target_endianness): New method
4689         declaration.
4690         * target.h (class Target): Change "endianity" to "endianness"
4691         in comments.
4692
4693 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4694
4695         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4696         * configure: Regenerate.
4697         * Makefile.in: Regenerate.
4698         * testsuite/Makefile.in: Regenerate.
4699
4700 2010-04-06  Cary Coutant  <ccoutant@google.com>
4701
4702         gcc PR lto/42757
4703         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4704         prevailing definitions of common symbols.
4705         * testsuite/plugin_test_6.sh: New test case.
4706         * testsuite/plugin_common_test_1.c: New test case.
4707         * testsuite/plugin_common_test_2.c: New test case.
4708         * testsuite/Makefile.am (plugin_test_6): New test case.
4709         * testsuite/Makefile.in: Regenerate.
4710
4711 2010-04-06  Nick Clifton  <nickc@redhat.com>
4712
4713         * po/vi.po: New Vietnamese translation.
4714
4715 2010-03-30  Doug Kwan  <dougkwan@google.com>
4716
4717         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4718
4719 2010-03-25  Doug Kwan  <dougkwan@google.com>
4720
4721         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4722         to avoid a conversion warning on a 32-bit host.
4723
4724 2010-03-24  Ian Lance Taylor  <iant@google.com>
4725
4726         * testsuite/script_test_3.t: Add a TLS segment.
4727         * testsuite/Makefile.am (check_PROGRAMS): Add
4728         tls_phdrs_script_test.
4729         (tls_phdrs_script_test_SOURCES): Define.
4730         (tls_phdrs_script_test_DEPENDENCIES): Define.
4731         (tls_phdrs_script_test_LDFLAGS): Define.
4732         (tls_phdrs_script_test_LDADD): Define.
4733         * testsuite/Makefile.in: Rebuild.
4734
4735 2010-03-23  Cary Coutant  <ccoutant@google.com>
4736
4737         * fileread.cc (find_or_make_view): Fix comment.
4738
4739 2010-03-23  Ian Lance Taylor  <iant@google.com>
4740
4741         * script-sections.cc (class Orphan_section_placement): Define
4742         PLACE_TLS and PLACE_TLS_BSS.
4743         (Orphan_section_placement::Orphan_section_placement): Initialize
4744         new places.
4745         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4746         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4747         (tls_script_test_SOURCES): Define.
4748         (tls_script_test_DEPENDENCIES): Define.
4749         (tls_script_test_LDFLAGS): Define.
4750         (tls_script_test_LDADD): Define.
4751         * testsuite/Makefile.in: Rebuild.
4752
4753 2010-03-22  Doug Kwan  <dougkwan@google.com>
4754
4755         * arm.cc (Arm_relocate_functions::abs8,
4756         Arm_relocate_functions::abs16): Use correct check for overflow
4757         specified in the ARM ELF specs.
4758         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4759         target of a BLX instruction specially.
4760         (Reloc_stub::stub_type_for_reloc): Ditto.
4761         (Relocate::relocate): Use symbolic names instead of numeric relocation
4762         codes to report error.
4763         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4764         workaround.
4765         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4766         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4767         thumb2_blx_out_of_range.stdout
4768         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4769         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4770         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4771         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4772         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4773         thumb2_blx_in_range, thumb2_blx_in_range.o,
4774         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4775         thumb2_blx_out_of_range.o): New rules.
4776         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4777         thumb2_blx_in_range and thumb2_blx_out_of_range.
4778         * testsuite/Makefile.in: Regenerate.
4779         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4780         * testsuite/thumb_blx_in_range.s: New file.
4781         * testsuite/thumb_blx_out_of_range.s: New file.
4782
4783 2010-03-22  Rafael Espindola  <espindola@google.com>
4784
4785         * archive.cc (Should_include): Move to archive.h.
4786         (should_include_member): Make it a member of Archive.
4787         (Lib_group): New.
4788         (Add_lib_group_symbols): New.
4789         * archive.h: Include options.h.
4790         (Archive_member): Moved from Archive.
4791         (Should_include): Moved from archive.cc.
4792         (Lib_group): New.
4793         (Add_lib_group_symbols): New.
4794         * dynobj.cc (do_should_include_member): New.
4795         * dynobj.h (do_should_include_member): New.
4796         * gold.cc (queue_initial_tasks): Update call to queue.
4797         * main.cc (main): Print lib group stats.
4798         * object.cc (do_should_include_member): New.
4799         * object.h: Include archive.h.
4800         (Object::should_include_member): New.
4801         (Object::do_should_include_member): New.
4802         (Sized_relobj::do_should_include_member): New.
4803         * options.cc (General_options::parse_start_lib): New.
4804         (General_options::parse_end_lib): New.
4805         (Input_arguments::add_file): Handle lib groups.
4806         (Input_arguments::start_group): Check we are not in a lib.
4807         (Input_arguments::start_lib): New.
4808         (Input_arguments::end_lib): New.
4809         * options.h (General_options): Add start_lib and end_lib.
4810         (Input_argument::lib_): New.
4811         (Input_argument::lib): New.
4812         (Input_argument::is_lib): New.
4813         (Input_file_lib): New.
4814         (Input_arguments::in_lib_): New.
4815         (Input_arguments::in_lib): New.
4816         (Input_arguments::start_lib): New.
4817         (Input_arguments::end_lib_): New.
4818         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4819         in unused members as preempted.
4820         (Sized_pluginobj::do_should_include_member): New.
4821         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4822         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4823         return the blocker.
4824         (Read_symbols::do_whole_lib_group): New.
4825         (Read_symbols::do_lib_group): New.
4826         (Read_symbols::do_read_symbols): Handle lib groups.
4827         (Read_symbols::get_name): Handle lib groups.
4828         * readsyms.h (Read_symbols): Add an archive member pointer.
4829         (Read_symbols::do_whole_lib_group): New.
4830         (Read_symbols::do_lib_group): New.
4831         (Read_symbols::member_): New.
4832         * script.cc (read_input_script): Update call to queue_soon.
4833
4834 2010-03-19  Doug Kwan  <dougkwan@google.com>
4835
4836         * arm.cc (Stub_table::Stub_table): Initialize new data members
4837         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4838         (Stub_table::add_reloc_stub): Assign stub offset and update
4839         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4840         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4841         New data members.
4842         (Stub_table::update_data_size_and_addralign): Use
4843         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4844         instead of going over all reloc stubs.
4845         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4846         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4847         Stringpool_template::offset_ to size of Stringpool_char.
4848         (Stringpool_template::new_key_offset): Remove code to initialize
4849         Stringpool_template::offset_.
4850         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4851         Stringpool_template::offset_ to zero.
4852
4853 2010-03-15  Doug Kwan  <dougkwan@google.com>
4854
4855         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4856         offset_.
4857         (Stringpool_template::new_key_offset): New method.
4858         (Stringpool_template::add_string): Assign offsets when adding new
4859         strings.
4860         (Stringpool_template::set_string_offsets): Do not set string offsets
4861         when not optimizing.
4862         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4863         member size_.
4864         (Chunked_vector::clear): Clear size_.
4865         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4866         (Chunked_vector::size): Return size_.
4867         (Chunked_vector::push_back): Use size_ to find insert position.
4868         (Chunked_vector::size_): New data member.
4869         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4870         (Stringpool_template::new_key_offset): New method declaration.
4871         (Stringpool_template::offset_): New data member.
4872
4873 2010-03-15   Rafael Espindola  <espindola@google.com>
4874
4875         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4876         Add_symbols' constructor.
4877         * readsyms.h (Add_symbols): Remove the input_group member.
4878
4879 2010-03-10  Ian Lance Taylor  <iant@google.com>
4880
4881         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4882         target to ask whether a reference to a symbol requires a stack
4883         split.
4884         * target.h (Target::is_call_to_non_split): New function.
4885         (Target::do_is_call_to_non_split): Declare virtual function.
4886         * target.cc: Include "symtab.h".
4887         (Target::do_is_call_to_non_split): New function.
4888         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4889
4890 2010-03-10  Cary Coutant  <ccoutant@google.com>
4891
4892         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4893         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4894         (File_read::open[2]): Add whole_file_view_ to list of views.
4895         (File_read::make_view): Remove test of whole_file_view_.
4896         (File_read::find_or_make_view): Create whole_file_view_ if
4897         necessary.
4898         (File_read::clear_views): Replace bool parameter with enum;
4899         adjust all callers.  Don't delete views with permanent data;
4900         do delete cached views and views from archives if
4901         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4902         if clearing the corresponding view.
4903         * fileread.h (File_read::Clear_views_mode): New enum.
4904         (File_read::View::is_permanent_view): New method.
4905         (File_read::clear_views): Replace bool parameter
4906         with enum; adjust all callers.
4907         * options.h (General_options): Change keep_files_mapped option;
4908         add map_whole_files.
4909         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4910         releasing the file.
4911         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4912         the file.
4913
4914 2010-03-10  David S. Miller  <davem@davemloft.net>
4915
4916         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4917
4918 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4919
4920         * icf.cc (get_section_contents): Add '@' marker after processing the
4921         merge reloc.
4922
4923 2010-03-08  Doug Kwan  <dougkwan@google.com>
4924
4925         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4926         due to a conversion warning.
4927         (Arm_relobj::update_output_local_symbol_count): Check for local
4928         symbol with unset output index.
4929
4930 2010-03-05  Ian Lance Taylor  <iant@google.com>
4931
4932         * options.h (class General_options): Add --spare-dynamic-tags.
4933         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4934         --spare-dynamic-tags.
4935
4936 2010-03-05  Ian Lance Taylor  <iant@google.com>
4937
4938         * incremental.cc: Include "libiberty.h".
4939
4940 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4941
4942         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4943         function, is_info_ member.
4944         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4945         (Versions::Versions): Update caller.
4946         (Versions::define_base_version): Likewise.
4947         (Versions::add_def): Likewise.
4948
4949 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4950
4951         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4952         (Scan::possible_function_pointer_reloc): New function.
4953         (Scan::local_reloc_may_be_function_pointer): Change to call
4954         possible_function_pointer_reloc.
4955         (Scan::global_reloc_may_be_function_pointer): Ditto.
4956         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4957         relocations in ".data.rel.ro._ZTV" section.
4958         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4959         * testsuite/icf_safe_so_test.cc: Ditto.
4960         * testsuite/icf_safe_test.cc: Ditto.
4961         * testsuite/icf_safe_test.sh: Ditto.
4962
4963 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4964             Ian Lance Taylor  <iant@google.com>
4965
4966         * target-reloc.h (relocate_section): Check the symbol table index
4967         for -1U before setting the local symbol index.
4968         (scan_relocatable_relocs): If copying the relocation, record that
4969         the local symbol is required.
4970         * object.h (Symbol_value::is_output_symtab_index_set): New
4971         function.
4972         (Symbol_value::may_be_discarded_from_output_symtab): New
4973         function.
4974         (Symbol_value::has_output_symtab_entry): New function.
4975         (Symbol_value::needs_output_symtab_entry): Remove.
4976         (Symbol_value::output_symtab_index): Make sure the symbol index is
4977         set.
4978         (Symbol_value::set_output_symtab_index): Make sure the symbol
4979         index is not set.  Make sure the new index is valid.
4980         (Symbol_value::set_must_have_output_symtab_entry): New function.
4981         (Symbol_value::has_output_dynsym_entry): New function.
4982         (Symbol_value::set_output_dynsym_index): Make sure the new index
4983         is valid.
4984         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4985         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4986         local symbol if permitted.
4987         (Sized_relobj::do_finalize_local_symbols): Call
4988         is_output_symtab_index_set rather than needs_output_symtab_entry.
4989         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4990         rather than needs_output_symtab_entry.  Call
4991         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4992         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4993         is_output_symtab_index_set rather than needs_output_symtab_entry.
4994         * testsuite/discard_locals_relocatable_test.c: New file.
4995         * testsuite/discard_locals_test.sh: Test -r.
4996         * testsuite/Makefile.am (check_DATA): Add
4997         discard_locals_relocatable_test1.syms,
4998         discard_local_relocatable_test2.syms.
4999         (MOSTLYCLEANFILES): Likewise.  Also add
5000         discard_locals_relocatable_test1.lout and
5001         discard_locals_relocatable_test2.out.
5002         (discard_locals_relocatable_test1.syms): New target.
5003         (discard_locals_relocatable_test.o): New target.
5004         (discard_locals_relocatable_test1.out): New target.
5005         (discard_locals_relocatable_test2.syms): New target.
5006         (discard_locals_relocatable_test2.out): New target.
5007         (various): Add missing ../ld-new dependencies.
5008         * testsuite/Makefile.in: Rebuild.
5009
5010 2010-03-03  Nick Clifton  <nickc@redhat.com>
5011
5012         * po/fi.po: New Finnish translation.
5013
5014 2010-03-01  Doug Kwan  <dougkwan@google.com>
5015
5016         * layout.cc (Layout::Layout): Force section types of .init_array*,
5017         .preinit_array* and .fini_array* sections.
5018         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5019         Fix check of return value of std::string::find.().
5020         (Output_section::Input_section_sort_compare::operator()): Remove
5021         comment about .init_array.
5022         (Output_section::Input_section_sort_init_fini_compare::operator()):
5023         New method.
5024         (Output_section::sort_attached_input_sections): Handle .init_array
5025         and .fini_array specially.
5026         * output.h (Output_section::Inut_section_sort_compare): Update
5027         comment.
5028         (Output_section::Input_section_sort_init_fini_compare): New struct.
5029
5030 2010-02-26  Doug Kwan  <dougkwan@google.com>
5031
5032         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5033         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5034         * testsuite/debug_msg.sh: Avoid matching source line number for
5035         use of global variable undef_int.
5036
5037 2010-02-26  Doug Kwan  <dougkwan@google.com>
5038
5039         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5040         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5041         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5042         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5043         * options.cc (General_options::General_options): Initialize member
5044         fix_v4bx_.
5045         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5046         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5047         and rm_no_fix_v4bx.stdout
5048         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5049         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5050         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5051         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5052         and arm_no_fix_v4bx.
5053         * Makefile.in: Regenerate.
5054         * testsuite/arm_fix_v4bx.s: New file.
5055         * testsuite/arm_fix_v4bx.sh: Ditto.
5056
5057 2010-02-24  Doug Kwan  <dougkwan@google.com>
5058
5059         * arm.cc (Target_arm::got_section): Make the .got section the first
5060         non RELRO section in the data segment.
5061         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5062         suffixes of section names.
5063
5064 2010-02-24  Doug Kwan  <dougkwan@google.com>
5065
5066         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5067         flags and attributes merging if an input file is a binary file.
5068         * fileread.cc (Input_file::open): Record format of original file.
5069         * fileread.h (Input_file::Format): New enum type.
5070         (Input_file::Input_file): Initialize data member format_.
5071         (Input_file::format): New method definition.
5072         (Input_file::format_):: New data member.
5073
5074 2010-02-24  Doug Kwan  <dougkwan@google.com>
5075
5076         * arm.cc (Arm_output_data_got): New class.
5077         (ARM_TCB_SIZE): New constant
5078         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5079         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5080         If user uses a script with a SECTIONS clause, issue only a warning
5081         for a misplaced EXIDX input section.  Otherwise, issue an error.
5082         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5083         garbage collection.
5084         (Target_arm::got_mode_index_entry): Handle static linking.
5085         (Target_arm::Scan::local): Ditto.
5086         (Target_arm::Scan::global): Ditto.
5087         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5088         all incorrectly implemented relocations.
5089         (Target_arm::fix_exidx_coverage): Pass layout to
5090         Arm_output_section::fix_exidx_coverage.
5091         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5092         from ".ARM.exidx." and ".ARM.extab.".
5093
5094 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5095
5096         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5097         section if it does not already exist.
5098         * attributes.cc (Attributes_section_data::Attributes_section_data):
5099         Don't crash if size is zero.
5100
5101 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5102             Ian Lance Taylor  <iant@google.com>
5103
5104         * gold.cc (queue_middle_tasks): If no input files were opened,
5105         exit.
5106         * workqueue.h (Task_function::Task_function): Assert that there is
5107         a blocker.
5108
5109 2010-02-22  Doug Kwan  <dougkwan@google.com>
5110
5111         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5112         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5113         types to avoid warnings due to different uint64_t implementations
5114         on different hosts.
5115
5116 2010-02-21  Doug Kwan  <dougkwan@google.com>
5117
5118         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5119         handling of the maximum backward branch offset.
5120         (Arm_relocate_functions::thumb_branch_common): Ditto.
5121         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5122         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5123         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5124         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5125         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5126         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5127         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5128         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5129         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5130         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5131         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5132         thumb2_bl_out_of_range.o): New rules.
5133         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5134         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5135         thumb2_bl_out_of_range
5136         * testsuite/Makefile.in: Regenerate.
5137         * testsuite/arm_bl_in_range.s: New file.
5138         * testsuite/arm_bl_out_of_range.s: Ditto.
5139         * testsuite/arm_branch_in_range.sh: Ditto.
5140         * testsuite/arm_branch_range.t: Ditto.
5141         * testsuite/thumb2_branch_range.t: Ditto.
5142         * testsuite/thumb_bl_in_range.s: Ditto.
5143         * testsuite/thumb_bl_out_of_range.s: Ditto.
5144         * testsuite/thumb_branch_range.t: Ditto.
5145
5146 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5147
5148         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5149         Add reloc offset information.
5150         * icf.cc (get_section_contents): Change iterators to point to the new
5151         vectors. Add reloc offset information to the contents.
5152         * icf.h (Icf::Sections_reachable_info): New typedef.
5153         (Icf::Sections_reachable_list): New typedef.
5154         (Icf::Offset_info): New typedef.
5155         (Icf::Reloc_info): New struct typedef.
5156         (Icf::Reloc_info_list): New typedef.
5157         (Icf::symbol_reloc_list): Delete method.
5158         (Icf::addend_reloc_list): Delete method.
5159         (Icf::section_reloc_list): Delete method.
5160         (Icf::reloc_info_list): New method.
5161         (Icf::reloc_info_list_): New member.
5162
5163 2010-02-19  Doug Kwan  <dougkwan@google.com>
5164
5165         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5166         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5167         * arm.cc (Arm_relocation_functions): New forward declaration.
5168         (Target_arm::Target_arm): Initialize new data members
5169         got_mod_index_offset_ and tls_base_symbol_defined_.
5170         (Target_arm::Relocate::relocate_tls): New method.
5171         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5172          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5173         New methods.
5174         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5175         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5176         (Target_arm::got_mod_index_offset_,
5177         Target_arm::tls_base_symbol_defined_): New data members.
5178         (Target_arm::Scan::local, Target::Scan::global,
5179         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5180         relocations.
5181
5182 2010-02-18  Doug Kwan  <dougkwan@google.com>
5183
5184         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5185         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5186         text section as a parameter becuase some broken tools may not set
5187         the link in section header.
5188         (Target_arm::has_got_section): New method.
5189         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5190         without any mapping symbol as data only.  Remove warning.
5191         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5192         link in its section header, try to discover the link by inspecting the
5193         REL31 relocation at the beginning of the section.
5194         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5195         in error message.
5196         (Target_arm::Scan::global): Treat any reference to the symbol
5197         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5198
5199 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5200
5201         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5202         (Scan::global_reloc_may_be_function_pointer): New function.
5203         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5204         (Scan::global_reloc_may_be_function_pointer): New function.
5205         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5206         (Scan::global_reloc_may_be_function_pointer): New function.
5207         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5208         (Scan::global_reloc_may_be_function_pointer): New function.
5209         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5210         (Scan::global_reloc_may_be_function_pointer): New function.
5211         (Scan::possible_function_pointer_reloc): New function.
5212         (Target_x86_64::can_check_for_function_pointers): New function.
5213         * gc.h (gc_process_relocs): Scan relocation types to determine if
5214         function pointers were taken for targets that support it.
5215         * icf.cc (Icf::find_identical_sections): Include functions for
5216         folding in safe ICF whose pointer is not taken.
5217         * icf.h (Secn_fptr_taken_set): New typedef.
5218         (fptr_section_id_): New member.
5219         (section_has_function_pointers): New function.
5220         (set_section_has_function_pointers): New function.
5221         (check_section_for_function_pointers): New function.
5222         * options.h: Fix comment for safe ICF option.
5223         * target.h (can_check_for_function_pointers): New function.
5224         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5225         Modify icf_safe_test for X86-64.
5226         * testsuite/Makefile.in: Regenerate.
5227         * testsuite/icf_safe_so_test.cc: New file.
5228         * testsuite/icf_safe_so_test.sh: New file.
5229         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5230         (main): Change to take pointer to function kept_func_3.
5231         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5232         folding is done correctly for X86-64.
5233
5234 2010-02-12  David S. Miller  <davem@davemloft.net>
5235
5236         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5237         is_symbolless parameter.
5238         (Output_reloc<SHT_REL>::is_symbolless): New.
5239         (Output_reloc<SHT_REL>::is_symbolless_): New.
5240         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5241         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5242         (Output_reloc<SHT_RELA>::is_symbolless): New.
5243         (Output_data_reloc::add_global): Handle is_symbolless.
5244         (Output_data_reloc::add_global_relative): Likewise.
5245         (Output_data_reloc::add_local): Likewise.
5246         (Output_data_reloc::add_local_relative): Likewise.
5247         (Output_data_reloc::add_symbolless_global_addend): New.
5248         (Output_data_reloc::add_symbolless_local_addend): New.
5249         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5250         is_symbolless.
5251         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5252         instead of ->is_relative_
5253         (Output_reloc::write): Likewise.
5254         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5255         (Output_reloc::write_rel): Simplify.
5256
5257         * sparc.cc (Target_sparc::Scan::local): Use
5258         ->add_symbolless_local_addend as needed.
5259         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5260         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5261         based upon relocation offset.
5262
5263 2010-02-11  Doug Kwan  <dougkwan@google.com>
5264
5265         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5266         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5267         beginning of function.
5268         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5269         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5270         parameter is_32bit in calls to should_apply_static_reloc.
5271         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5272         (check_DATA): Add arm_abs_global.stdout.
5273         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5274         arm_abs_global.stdout): New rules.
5275         (MOSTLLYCLEANFILES): Add arm_abs_global
5276         * Makefile.in: Regenerate.
5277         * testsuite/arm_abs_global.s: New file.
5278         * testsuite/arm_abs_global.sh: Ditto.
5279         * testsuite/arm_abs_lib.s: Ditto.
5280
5281 2010-02-11  Ian Lance Taylor  <iant@google.com>
5282
5283         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5284         Read_relocs task.
5285         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5286         Allocate_commons_task first.
5287         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5288         task, rather than symtab_lock_.
5289         (Gc_process_relocs::~Gc_process_relocs): New function.
5290         (Gc_process_relocs::is_runnable): Check this_blocker_.
5291         (Gc_process_relocs::locks): Use next_blocker_ rather than
5292         blocker_.
5293         (Scan_relocs::~Scan_relocs): New function.
5294         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5295         symtab_lock_.
5296         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5297         next_blocker_.
5298         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5299         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5300         constructor accordingly.
5301         (class Gc_process_relocs): Likewise.
5302         (class Scan_relocs): Likewise.
5303         * common.h (class Allocate_commons_task): Remove symtab_lock_
5304         field, and corresponding constructor parameter.
5305         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5306         symtab_lock_.
5307         (Allocate_commons_task::locks): Likewise.
5308
5309 2010-02-11  Ian Lance Taylor  <iant@google.com>
5310
5311         * gold-threads.h (class Once): Define.
5312         (class Initialize_lock): Rewrite as child of Once.
5313         * gold-threads.cc (class Once_initialize): Define.
5314         (once_pointer_control): New static variable.
5315         (once_pointer, once_arg): New static variables.
5316         (c_run_once): New static function.
5317         (Once::Once, Once::run_once, Once::internal_run): New functions.
5318         (class Initialize_lock_once): Remove.
5319         (initialize_lock_control): Remove.
5320         (initialize_lock_pointer): Remove.
5321         (initialize_lock_once): Remove.
5322         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5323         (Initialize_lock::initialize): Rewrite.
5324         (Initialize_lock::do_run_once): New function.
5325         * archive.cc (Archive::interpret_header): Only clear name if it is
5326         not already empty.
5327         * fileread.cc: Include "gold-threads.h"
5328         (file_counts_lock): New static variable.
5329         (file_counts_initialize_lock): Likewise.
5330         (File_read::release): Only increment counts when using --stats.
5331         Use a lock around the increment.
5332         * parameters.cc (class Set_parameters_target_once): Define.
5333         (set_parameters_target_once): New static variable.
5334         (Parameters::Parameters): Move here from parameters.h.
5335         (Parameters::set_target): Rewrite.
5336         (Parameters::set_target_once): New function.
5337         (Parameters::clear_target): Move here and rewrite.
5338         * parameters.h (class Parameters): Update declarations.  Add
5339         set_parameters_target_once_ field.
5340         (Parameters::Parameters): Move to parameters.cc.
5341         (Parameters::clear_target): Likewise.
5342         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5343         task.
5344         (Start_group::~Start_group): New function.
5345         (Start_group::is_runnable): New function.
5346         (Start_group::locks, Start_group::run): New functions.
5347         (Finish_group::run): Change saw_undefined to size_t.
5348         * readsyms.h (class Start_group): Define.
5349         (class Finish_group): Change saw_undefined_ field to size_t.
5350         (Finish_group::Finish_group): Remove saw_undefined and
5351         this_blocker parameters.  Change all callers.
5352         (Finish_group::set_saw_undefined): New function.
5353         (Finish_group::set_blocker): New function.
5354         * symtab.h (class Symbol_table): Change saw_undefined to return
5355         size_t.  Change saw_undefined_ field to size_t.
5356         * target-select.cc (Set_target_once::do_run_once): New function.
5357         (Target_selector::Target_selector): Initialize set_target_once_
5358         field.  Don't initialize lock_ and initialize_lock_ fields.
5359         (Target_selector::instantiate_target): Rewrite.
5360         (Target_selector::set_target): New function.
5361         * target-select.h (class Set_target_once): Define.
5362         (class Target_selector): Update declarations.  Make
5363         Set_target_once a friend.  Remove lock_ and initialize_lock_
5364         fields.  Add set_target_once_ field.
5365
5366 2010-02-10  Ian Lance Taylor  <iant@google.com>
5367
5368         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5369         queueing any tasks.
5370         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5371         (queue_middle_tasks): Add all blockers before queueing any tasks.
5372         (queue_final_tasks): Likewise.
5373         * token.h (Task_token::add_blockers): New function.
5374         * object.h (Input_objects::number_of_relobjs): New function.
5375
5376 2010-02-10  Ian Lance Taylor  <iant@google.com>
5377
5378         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5379         shared, not if not position independent.
5380         * x86_64.cc (Relocate::relocate_tls): Likewise.
5381         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5382         (tls_pie_pic_test): New target.
5383         * testsuite/Makefile.in: Rebuild.
5384
5385         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5386         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5387         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5388         * testsuite/Makefile.in: Rebuild.
5389
5390 2010-02-09  David S. Miller  <davem@davemloft.net>
5391
5392         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5393         R_SPARC_RELATIVE using ->add_local_relative().
5394         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5395
5396         * output.h (Output_data_dynamic::add_section_size): New method
5397         that takes two Output_data objects.
5398         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5399         entry param.  Handle it in initializers.
5400         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5401         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5402         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5403         arg.
5404         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5405         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5406         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5407         for dynrel_includes_plt.
5408         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5409         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5410         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5411         before .rela.plt
5412         (Target_sparc::do_finalize_sections): Update to pass true for
5413         dynrel_includes_plt.
5414         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5415         output before .rela.plt
5416         (Target_powerpc::do_finalize_sections): Update to pass true for
5417         dynrel_includes_plt when 32-bit.
5418
5419 2010-02-08  Doug Kwan  <dougkwan@google.com>
5420
5421         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5422         method.
5423         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5424         Arm_relobj::scan_section_for_cortex_a8_stubs,
5425         Arm_relobj::do_relocation_section): Instead of calling
5426         Output_section::output_address, use faster
5427         Arm_relobj::simple_input_section_output_address.
5428
5429 2010-02-08  David S. Miller  <davem@davemloft.net>
5430
5431         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5432         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5433         relocation helper function.
5434
5435         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5436         just like R_SPARC_GOT{10,13,22}.
5437         (Target_sparc::Scan::local): Likewise.
5438         (Target_sparc::Relocate:relocate): Likewise.
5439
5440 2010-02-06  Ian Lance Taylor  <iant@google.com>
5441
5442         * configure.ac: Rewrite targetobjs duplicate removal code to use
5443         only shell constructs.
5444         * configure: Rebuild.
5445
5446 2010-02-05  Doug Kwan  <dougkwan@google.com>
5447
5448         PR 11247
5449         * arm.cc (Arm_relobj::section_is_scannable): New method.
5450         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5451         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5452
5453 2010-02-04  Doug Kwan  <dougkwan@google.com>
5454
5455         PR 11247
5456         * arm-reloc-property.cc (cstdio): Include.
5457         * configure.ac (targetobjs): Remove duplicates.
5458         * configure: Regenerate.
5459         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5460         big and little endian version for a given address size.
5461
5462 2010-02-03  Doug Kwan  <dougkwan@google.com>
5463
5464         * arm-reloc-property.cc
5465         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5466         definition.
5467         * arm-reloc-property.h
5468         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5469         New method definition.
5470         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5471         declaration.
5472         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5473         overflow to N.
5474         (GOT_PREL): Change implemented to Y.
5475         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5476         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5477         (Arm_relocate_functions::movw_abs_nc): Remove method.
5478         (Arm_relocate_functions::movt_abs): Ditto.
5479         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5480         (Arm_relocate_functions::thm_movt_abs): Ditto.
5481         (Arm_relocate_functions::movw_rel_nc): Ditto.
5482         (Arm_relocate_functions::movw_rel): Ditto.
5483         (Arm_relocate_functions::movt_rel): Ditto.
5484         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5485         (Arm_relocate_functions:thm_movw_rel): Ditto.
5486         (Arm_relocate_functions:thm_movt_rel): Ditto.
5487         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5488         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5489         New method definitions.
5490         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5491         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5492         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5493         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5494         (Target_arm::Relocate::relocate): Check for non-static or
5495         unimplemented relocation code and exit early.  Change calls to
5496         Target_arm::reloc_uses_thumb_bit and
5497         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5498         instead.  Refactor code to handle similar relocations to increase
5499         code sharing.  Remove check for unsupported relocation code in switch
5500         statement.
5501         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5502         relocation property table to find out size.  Change error message to
5503         print out the name of a relocation code instead of the numeric value.
5504         (Target_arm::scan_reloc_for_stub): Use relocation property table
5505         instead of calling Target_arm::reloc_uses_thumb_bit().
5506
5507 2010-02-02  Doug Kwan  <dougkwan@google.com>
5508
5509         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5510         types of relaxed input section.
5511
5512 2010-02-02  Doug Kwan  <dougkwan@google.com>
5513
5514         * Makefile.am (HFILES): Add arm-reloc-property.h.
5515         (DEFFILES): New.
5516         (TARGETSOURCES): Add arm-reloc-property.cc
5517         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5518         (libgold_a_SOURCES): $(DEFFILES)
5519         * Makefile.in: Regenerate.
5520         * arm-reloc-property.cc: New file.
5521         * arm-reloc-property.h: New file.
5522         * arm-reloc.def: New file.
5523         * arm.cc: Update comments.
5524         (arm-reloc-property.h): New included header.
5525         (arm_reloc_property_table): New global variable.
5526         (Target_arm::do_select_as_default_target): New method definition.
5527         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5528         arm-reloc-property to targ_extra_obj.
5529         * parameters.cc (set_parameters_target): Call
5530         Target::select_as_default_target().
5531         * target.h (Target::select_as_default_target): New method definition.
5532         (Target::do_select_as_default_target): Same.
5533
5534 2010-02-01  Doug Kwan  <dougkwan@google.com>
5535
5536         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5537         first_output_text_section_.
5538         (Arm_exidx_fixup::first_output_text_section): New method definition.
5539         (Arm_exidx_fixup::first_output_text_section_): New data member.
5540         (Arm_exidx_fixup::process_exidx_section): Record the first text
5541         output section seen.
5542         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5543         and entsize in output section header.
5544
5545 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5546
5547         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5548         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5549         (Arm_relocate_functions::thm_alu11): New Method.
5550         (Arm_relocate_functions::thm_pc8): New Method.
5551         (Arm_relocate_functions::thm_pc12): New Method.
5552         (Target_arm::Scan::local): Handle the relocations.
5553         (Target_arm::Scan::global): Likewise.
5554         (Target_arm::Relocate::relocate): Likewise.
5555         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5556
5557 2010-01-29  Doug Kwan  <dougkwan@google.com>
5558
5559         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5560         of relocation types as ld.
5561
5562 2010-01-29  Doug Kwan  <dougkwan@google.com>
5563
5564         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5565         to public.
5566         (Arm_relocate_functions::thumb_branch_common): Ditto.
5567         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5568         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5569         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5570         Arm_relocate_functions::jump24): Remove.
5571         (Target_arm::Relocate::relocate): Adjust code to call
5572         Arm_relocation_functions::arm_branch_common and
5573         Arm_relocation_functions::thumb_branch_common instead of their removed
5574         wrappers.  Merge switch-cases together to reduce source code size.
5575
5576 2010-01-29  Doug Kwan  <dougkwan@google.com>
5577
5578         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5579         output_local_symbol_count_needs_update_.
5580         (Arm_relobj::output_local_symbol_count_needs_update,
5581          Arm_relobj::set_output_local_symbol_count_needs_update,
5582          Arm_relobj::update_output_local_symbol_count): New methods.
5583         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5584         member.
5585         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5586         of pointed function as in a R_ARM_PREL31 relocation.
5587         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5588         for output local symbol count updating.
5589         (Target_arm::do_relax): Update output local symbol counts in objects
5590         if necessary.
5591         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5592
5593 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5594
5595         * arm.cc: Added support for the ARM relocations:
5596         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5597         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5598         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5599         movw_prel_nc).
5600         (Arm_relocate_functions::movw_rel): New method.
5601         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5602         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5603         thm_movw_prel_nc).
5604         (Arm_relocate_functions::thm_movw_rel): New method.
5605         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5606         thm_movt_prel).
5607         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5608         relocations.
5609         (Target_arm::Scan::global): Likewise.
5610         (Target_arm::Relocate::relocate): Likewise.
5611         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5612         Likewise.
5613
5614 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5615
5616         * arm.cc: Added support for ARM group relocations.
5617         (Target_arm::reloc_needs_sym_origin): New method.
5618         (Arm_relocate_functions::calc_grp_kn): New method.
5619         (Arm_relocate_functions::calc_grp_residual): New method.
5620         (Arm_relocate_functions::calc_grp_gn): New method.
5621         (Arm_relocate_functions::arm_grp_alu): New Method.
5622         (Arm_relocate_functions::arm_grp_ldr): New Method.
5623         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5624         (Arm_relocate_functions::arm_grp_ldc): New Method.
5625         (Target_arm::Scan::local): Handle the ARM group relocations.
5626         (Target_arm::Scan::global): Likewise.
5627         (Target_arm::Relocate::relocate): Likewise.
5628         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5629         Likewise.
5630
5631 2010-01-26  Doug Kwan  <dougkwan@google.com>
5632
5633         * arm.cc (set): Include.
5634         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5635         pointer type.
5636         (Arm_output_section::Text_section_list): New type.
5637         (Arm_output_section::append_text_sections_to_list): New method.
5638         (Arm_output_section::fix_exidx_coverage): Ditto.
5639         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5640         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5641         Relobj::set_section_offset() instead of
5642         Sized_relobj::invalidate_section_offset().
5643         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5644         parameter for section headers. Ignore relocation sections for
5645         unallocated sections and EXIDX sections.
5646         (Target_arm::fix_exidx_coverage): New method.
5647         (Target_arm::output_section_address_less_than): New type.
5648         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5649         linked text section instead of the EXIDX section.
5650         (Arm_output_section::create_stub_group): Add an assertion to check
5651         that this is not an EXIDX output section.
5652         (Arm_output_section::append_text_sections_to_list): New method.
5653         (Arm_output_section::fix_exidx_coverage): Ditto.
5654         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5655         Arm_relobj::section_needs_reloc_stub_scanning.
5656         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5657         first pass.
5658         (Target_arm::fix_exidx_coverage): New method.
5659         * object.h (Relobj::set_output_section): New method.
5660         (Sized_relobj::invalidate_section_offset): Remove method.
5661         (Sized_relobj::do_invalidate_section_offset): Remove method.
5662         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5663
5664 2010-01-25  Doug Kwan  <dougkwan@google.com>
5665
5666         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5667         Fix warning due to signed and unsigned comparison on a 32-bit host.
5668
5669 2010-01-22  Doug Kwan  <dougkwan@google.com>
5670
5671         * arm.cc (Target_arm::do_relax): Record an output section for section
5672         offset adjustment it contains any stub table that has changed.
5673         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5674         offsets in an output section if necessary.
5675         * output.cc (Output_section::Output_section): Initialize
5676         section_offsets_need_adjustments_.
5677         (Output_section::add_input_section_for_script): Renamed to
5678         Output_section::add_simple_input_section.
5679         (Output_section::save_states): Add a comment.
5680         (Output_section::discard_states): New method defintion.
5681         (Output_section::adjust_section_offsets): Same.
5682         * output.h (Output_section::add_input_section_for_script): Renamed to
5683         Output_section::add_simple_input_section.
5684         (Output_section::discard_states): New method declaration.
5685         (Output_section::adjust_section_offsets): Same.
5686         (Output_section::section_offsets_need_adjustment,
5687         Output_section::set_section_offsets_need_adjustment): New method
5688         definitions.
5689         (Output_section::section_offsets_need_adjustment_): New data member.
5690         * script-sections.cc
5691         (Output_section_element_input::set_section_address): Adjust code for
5692         renaming of Output_section::add_input_section_for_script.
5693         (Orphan_output_section::set_section_address): Same.
5694
5695 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5696
5697         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5698         Fix_v4bx enum values .
5699         * gold/options.h (General_options): New option definitions.
5700         (General_options::fix_v4bx): New method.
5701         (General_options::Fix_v4bx): New enum.
5702         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5703         (General_options::parse_fix_v4bx_interworking): New method.
5704
5705 2010-01-22  Doug Kwan  <dougkwan@google.com>
5706
5707         * arm.cc (Arm_exidx_fixup): New class.
5708
5709 2010-01-21  Doug Kwan  <dougkwan@google.com>
5710
5711         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5712         classes.
5713         (Arm_exidx_section_offset_map): New type.
5714
5715 2010-01-21  Doug Kwan  <dougkwan@google.com>
5716
5717         * arm.cc (Arm_exidx_input_section): New class.
5718         (Arm_relobj::exidx_input_section_by_link,
5719         Arm_relobj::exidx_input_section_by_shndx,
5720         Arm_relobj::make_exidx_input_section): New methods.
5721         (read_arm_attributes_section): Remove.
5722         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5723         information about them.
5724         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5725         to here.
5726
5727 2010-01-20  Doug Kwan  <dougkwan@google.com>
5728
5729         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5730         Input_section_specifier to Section_id.
5731         (Target_arm::new_arm_input_section: Adjust code for change of key
5732         type.
5733         (Target_arm::find_arm_input_section): Ditto.
5734         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5735         (Section_id): Remove.
5736         (Garbage_collection::Section_id_hash): Remove.
5737         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5738         (Section_id): Remove.
5739         (Icf::Section_id_hash): Remove.
5740         * object.h (Section_id, Const_section_id, Section_id_hash,
5741         Const_section_id_hash): New type definitions.
5742         * output.cc (Output_section::add_relaxed_input_section): Change to
5743         use Const_section_id instead of Input_section_specifier as key type.
5744         (Output_section::add_merge_input_section): Ditto.
5745         (Output_section::build_relaxation_map): Change to use Section_id
5746         instead of Input_section_specifier as key type.
5747         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5748         Ditto.
5749         (Output_section::convert_input_sections_to_relaxed_sections): Change
5750         to use Const_section_id instead of Input_section_specifier as key type.
5751         (Output_section::find_merge_section): Ditto.
5752         (Output_section::find_relaxed_input_section): Ditto.
5753         * output.h (Input_section_specifier): Remove class.
5754         (Output_section::Output_section_data_by_input_section_map): Change
5755         key type to Const_section_id.
5756         (Output_section::Output_relaxed_input_section_by_input_section_map):
5757         Ditto.
5758         (Output_section::Relaxation_map): Change key type to Section_id.
5759
5760 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5761
5762         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5763         (class Arm_v4bx_stub): New class.
5764         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5765         (Stub_factory::make_arm_v4bx_stub): New method.
5766         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5767         (Stub_table::empty): Handle v4bx stubs.
5768         (Stub_table::add_arm_v4bx_stub): New method.
5769         (Stub_table::find_arm_v4bx_stub): New method.
5770         (Arm_relocate_functions::v4bx): New method.
5771         (Target_arm::fix_v4bx): New method.
5772         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5773         (Stub_table::relocate_stubs): Likewise.
5774         (Stub_table::do_write): Likewise.
5775         (Stub_table::update_data_size_and_addralign): Likewise.
5776         (Stub_table::finalize_stubs):  Likewise.
5777         (Target_arm::Scan::local): Likewise.
5778         (Target_arm::Scan::global): Likewise.
5779         (Target_arm::do_finalize_sections): Likewise.
5780         (Target_arm::Relocate::relocate): Likewise.
5781         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5782         Likewise.
5783         (Target_arm::scan_reloc_for_stub): Likewise.
5784         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5785
5786 2010-01-19  Ian Lance Taylor  <iant@google.com>
5787
5788         * output.cc (Output_section_headers::do_sized_write): Write large
5789         segment count to sh_info field.
5790         (Output_file_header::do_sized_write): For large segment count,
5791         write PN_XNUM to e_phnum field.
5792
5793 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5794
5795         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5796         (Arm_relocate_functions::thm_jump8): New function.
5797         (Arm_relocate_functions::thm_jump11): New function.
5798         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5799         R_ARM_THM_JUMP11.
5800         (Target_arm::Scan::global): Likewise.
5801         (Target_arm::Relocate::relocate): Likewise.
5802         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5803         Likewise.
5804
5805 2010-01-14  Doug Kwan  <dougkwan@google.com>
5806
5807         * arm.cc (map, utility): Include headers.
5808         (Target_arm::apply_cortex_a8_workaround): New method.
5809         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5810         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5811         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5812         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5813         the --[no-]fix-cortex-a8 command line options.
5814         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5815         (Target_arm::relocate_stub): Use addend in instruction template.
5816         * options.h (DEFINE_bool): Set the user-set flag.
5817         (General_options): Add --[no-]-fix-cortex options.
5818         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5819         : Update fast look-up map after conversion.
5820
5821 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5822
5823         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5824         in the first pass of do_layout.
5825
5826 2010-01-13  Doug Kwan  <dougkwan@google.com>
5827
5828         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5829         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5830         apparent compiler problem of not folding static constant integral
5831         data members of elfcpp::Elf_sizes<32>.
5832
5833 2010-01-13  Doug Kwan  <dougkwan@google.com>
5834
5835         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5836         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5837         Arm_relobj::scan_section_for_cortex_a8_erratum,
5838         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5839         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5840         sections to scan for relocation stubs into a new method
5841         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5842         relocation and Cortex-A8 stub scanning.
5843         (Target_arm::do_relax): Force stubs to be after stubbed sections
5844         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5845         the beginning of a new relaxation pass.  Update a comment.
5846         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5847
5848 2010-01-12  Ian Lance Taylor  <iant@google.com>
5849
5850         * target-reloc.h (visibility_error): New inline function.
5851         (relocate_section): Call visibility_error.
5852         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5853         (MOSTLYCLEANFILES): Likewise.
5854         (protected_4_pic.o, protected_3.err): New targets.
5855         * testsuite/protected_4.cc: New file.
5856
5857 2010-01-12  Doug Kwan  <dougkwan@google.com>
5858
5859         * arm.cc (Cortex_a8_reloc): New class.
5860         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5861         and cortex_a8_relocs_info_.
5862         (Target_arm::fix_cortex_a8): New method definition.
5863         (Target_arm::Cortex_a8_relocs_info): New type.
5864         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5865         New data member declarations.
5866         (Target_arm::scan_reloc_for_stub): Record information about
5867         relocations for THUMB branches that might be exempted from the
5868         Cortex-A8 workaround.
5869         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5870         at the beginning of a relaxation pass.
5871
5872 2010-01-12  Doug Kwan  <dougkwan@google.com>
5873
5874         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5875         (Arm_relobj::Mapping_symbol_position,
5876          Arm_reloj::Mapping_symbol_position_less,
5877          Arm_relobj::Mapping_symbols_info): New types.
5878         (Target_arm::is_mapping_symbol_name): New method definition.
5879         (Arm_relobj::do_count_local_symbols): Save information about mapping
5880         symbols.
5881
5882 2010-01-11  Doug Kwan  <dougkwan@google.com>
5883
5884         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5885         Arm_relocate_functions::thumb32_branch_upper,
5886         Arm_relocate_functions::thumb32_branch_lower,
5887         Arm_relocate_functions::thumb32_cond_branch_offset,
5888         Arm_relocate_functions::thumb32_cond_branch_upper,
5889         Arm_relocate_functions::thumb32_cond_branch_lower,
5890         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5891         branch offset encoding.
5892         (Arm_relocate_functions::thumb_branch_common): Use new branch
5893         offset encoding methods to avoid code duplication.
5894         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5895         (Stub_addend_reader::operator()): Use new branch encoding method
5896         to avoid code duplication.
5897
5898 2010-01-11  Doug Kwan  <dougkwan@google.com>
5899
5900         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5901         (Target_arm::do_finalize_sections): Define special EXIDX section
5902         symbols only if referenced.
5903         * gc.h (Garbage_collection::add_reference): New method.
5904         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5905         code duplication.
5906
5907 2010-01-11  Ian Lance Taylor  <iant@google.com>
5908
5909         * script.cc (Version_script_info::build_expression_list_lookup):
5910         Change complaing about duplicate wildcard match from error to
5911         warning.
5912
5913         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5914         of 2009-12-30.
5915         (Version_script_info::Version_script_info): Initialize globs_,
5916         default_version_, default_is_global_, and exact_.  Don't
5917         initialize globals_ or locals_.
5918         (Version_script_info::build_lookup_tables): Build local symbols
5919         first.
5920         (Version_script_info::unquote): New function.
5921         (Version_script_info::add_exact_match): New function.
5922         (Version_script_info::build_expression_list_lookup): Remove lookup
5923         parameter.  Add is_global parameter.  Change all callers.  Handle
5924         wildcard pattern specially.  Unquote pattern.  Call
5925         add_exact_match.
5926         (Version_script_info::get_name_to_match): New function.
5927         (Version_script_info::get_symbol_version): New function.
5928         (Version_script_info::get_symbol_version_helper): Remove.
5929         (Version_script_info::check_unmatched_names): Call unquote.
5930         * script.h (class Version_script_info): Change get_symbol_version
5931         to be non-inline and add is_global parameter; change all callers.
5932         Rewrite symbol_is_local.  Update declarations.  Define struct
5933         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5934         Remove globals_ and locals_ members.  Add exact_, globs_,
5935         default_version_, is_global_.
5936         (Version_script_info::Glob): Remove pattern, add expression and
5937         is_global.  Update constructor.  Change all callers.
5938         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5939         default version.
5940         (Versions::symbol_section_contents): If a symbol is undefined, or
5941         defined in a dynamic object, set the version index to
5942         VER_NDX_LOCAL.
5943         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5944         symbol_is_local.
5945         (Symbol_table::add_from_pluginobj): Likewise.
5946         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5947
5948 2010-01-11  Doug Kwan  <dougkwan@google.com>
5949
5950         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5951         (incremental_dump_LDADD): Add linking option for libintl.
5952         * Makefile.in: Regenerate.
5953
5954 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5955
5956         PR gold/11144
5957         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5958         instead of -Ds.
5959         * testsuite/Makefile.in: Regenerated.
5960
5961 2010-01-10  Doug Kwan  <dougkwan@google.com>
5962
5963         * options.h (DEFINE_var): Use parentheses around argument varname__
5964         in macro body to avoid any unintended subsequent substitutions.
5965
5966 2010-01-10  Ian Lance Taylor  <iant@google.com>
5967
5968         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5969         candidates before doing symbol resolution.
5970
5971         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5972         ODR candidates if only one is weak.
5973
5974 2010-01-08  Ian Lance Taylor  <iant@google.com>
5975
5976         * script.cc (Version_script_info::build_expression_list_lookup):
5977         Don't warn about ambiguous version, just record the ambiguity.
5978         (Version_script_info::get_symbol_version_helper): Give error if
5979         version is ambiguous.
5980
5981 2010-01-08  Doug Kwan  <dougkwan@google.com>
5982
5983         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5984           prev_data_size_ and prev_addralign_.  Remove initializer for
5985           deleted data member has_been_changed_.
5986           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5987           to determine if the table is empty.
5988           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5989           Remove.
5990           (Stub_table::add_reloc_stub): Define method in class definition
5991           instead of just declaring it there.
5992           (Stub_table::add_cortex_a8_stub): New method definition.
5993           (Stub_table::update_data_size_and_addralign): Ditto.
5994           (Stub_table::finalize_stubs): Ditto.
5995           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5996           (Stub_table::do_addralign_): Return address alignment in the
5997           (Stub_table::do_reset_address_and_file_offset): Define method in
5998           class definition instead of declaring it there.  Set current data
5999           size to be the data size of the previous pass.
6000           (Stub_table::set_final_data_size): Use current data size as the
6001           final data size.
6002           (Stub_table::relocate_stub): Change parameter type of stub from
6003           Reloc_stub pointer to Stub pointer.
6004           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6005           (Stub_table::Cortex_a8_stub_list): New typedef.
6006           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6007            Stub_table::prev_addralign_): New data member.
6008           (Arm_relobj::Arm_relobj): Initialize data member
6009           section_has_cortex_a8_workaround_.
6010           (Arm_relobj::section_has_cortex_a8_workaround,
6011            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6012            definitions.
6013           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6014           declarations.
6015           (Target_arm::relocate_stub): Change parameter type of stub from
6016           Reloc_stub pointer to Stub pointer.
6017           (Insn_template::size, Insn_template::alignment): Handle
6018           THUMB16_SPECIAL_TYPE.
6019           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6020            Stub_table::update_data_size_and_addralign,
6021            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6022           definitions.
6023           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6024           (Stub_table::do_write): Ditto.
6025           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6026
6027 2010-01-08  Ian Lance Taylor  <iant@google.com>
6028
6029         PR 11108
6030         * symtab.h (class Symbol): Remove fields is_target_special_ and
6031         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6032         (Symbol::is_defined_in_discarded_section): New function.
6033         (Symbol::set_is_defined_in_discarded_section): New function.
6034         (Symbol::has_plt_offset): Rewrite.
6035         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6036         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6037         Don't initialize is_target_special_ or has_plt_offset_.
6038         Initialize is_defined_in_discarded_section_.
6039         (Symbol_table::add_from_relobj): If appropriate, set
6040         is_defined_in_discarded_section.
6041         * resolve.cc (Symbol::override_base_with_special): Don't test
6042         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6043         * target-reloc.h (relocate_section): Do special handling for
6044         symbols defined in discarded sections for global symbols as well
6045         as local symbols.
6046
6047 2010-01-08  Ian Lance Taylor  <iant@google.com>
6048
6049         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6050         the SHT_SYMTAB case.
6051
6052 2010-01-08  Ian Lance Taylor  <iant@google.com>
6053
6054         * object.cc (Sized_relobj::do_layout): Don't get confused if
6055         layout_eh_frame returns NULL.
6056
6057 2010-01-08  Ian Lance Taylor  <iant@google.com>
6058
6059         PR 11084
6060         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6061         dynamic symbol table, use the normal symbol table.
6062         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6063         symbol table.
6064
6065 2010-01-08  Ian Lance Taylor  <iant@google.com>
6066
6067         PR 11072
6068         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6069         sections.
6070
6071 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6072
6073         * version.cc (print_version): Change to "Copyright 2010".
6074
6075 2010-01-08  Ian Lance Taylor  <iant@google.com>
6076
6077         PR 10287
6078         PR 11063
6079         * i386.cc (class Target_i386): Change return type of plt_section
6080         to be non-const.
6081         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6082         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6083         tls_desc_rel_ field.
6084         (Output_data_plt_i386::rel_tls_desc): New function.
6085         (Target_i386::rel_tls_desc_section): New function.
6086         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6087         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6088         R_386_TLS_DESC reloc in rel_tls_desc_section.
6089         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6090         Define struct Tlsdesc_info.
6091         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6092         (Target_x86_64::do_reloc_symbol_index): New function.
6093         (Target_x86_64::add_tlsdesc_info): New function.
6094         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6095         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6096         tlsdesc_rel_ field.
6097         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6098         all callers.
6099         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6100         (Target_x86_64::rela_tlsdesc_section): New function.
6101         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6102         handling.
6103         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6104         (Target_x86_64::do_reloc_addend): New function.
6105         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6106         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6107         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6108         (Output_reloc::type): New function.
6109         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6110         (Output_reloc::is_target_specific): New function.
6111         (Output_reloc::target_arg): New function.
6112         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6113         absolute relocs and target specific relocs.
6114         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6115         add_target_specific.
6116         (class Output_data_reloc) [SHT_RELA]: Likewise.
6117         * output.cc (Output_reloc::Output_reloc): Add four new versions
6118         for absolute relocs and target specific relocs.
6119         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6120         (Output_reloc::get_symbol_index): Likewise.
6121         (Output_reloc::local_section_offset): Check that local_sym_index_
6122         is not TARGET_CODE or 0.
6123         (Output_reloc::symbol_value): Likewise.
6124         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6125         reloc.
6126         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6127         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6128         functions.
6129         * layout.cc (add_target_dynamic_tags): Use output section for
6130         DT_PLTRELSZ and DT_JMPREL.
6131
6132 2010-01-07  Ian Lance Taylor  <iant@google.com>
6133
6134         PR 11061
6135         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6136         function.
6137         (class Output_data_reloc_generic): Define.
6138         (class Output_data_reloc_base): Change base class to
6139         Output_data_reloc_generic.  Change add() method to call
6140         bump_relative_reloc_count for a relative reloc.  Remove
6141         sort_relocs_ field.
6142         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6143         to sort_relocs().
6144         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6145         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6146         appropriate.
6147         * layout.h (class Layout): Update declaration.
6148
6149 2010-01-07  Ian Lance Taylor  <iant@google.com>
6150
6151         * output.h (class Output_data): Add const version of
6152         output_section and do_output_section.
6153         (class Output_section_data): Add const version of
6154         do_output_section.
6155         (class Output_section): Likewise.
6156         * layout.cc (Layout::add_target_dynamic_tags): New function.
6157         * layout.h (class Layout): Update declarations.
6158         * arm.cc (Target_arm::do_finalize_sections): Use
6159         add_target_dynamic_tags.
6160         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6161         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6162         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6163         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6164
6165 2010-01-07  Ian Lance Taylor  <iant@google.com>
6166
6167         PR 11042
6168         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6169         object as needed.
6170
6171 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6172             Ian Lance Taylor  <iant@google.com>
6173
6174         PR 11019
6175         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6176         Xindex::read_symtab_xindex.
6177
6178 2010-01-07  Doug Kwan  <dougkwan@google.com>
6179
6180         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6181         (Insn_template::thumb16_bcond_insn): New method declaration.
6182         (Insn_template): Fix spelling.
6183         (Stub::thumb16_special): New method declaration.
6184         (Stub::do_write): Define virtual method which was previously pure
6185         virtual.
6186         (Stub::do_thumb16_special): New method declaration.
6187         (Stub::do_fixed_endian_write): New template member.
6188         (Reloc_stub::do_write): Remove.
6189         (Reloc_stub::do_fixed_endian_write): Remove.
6190         (Cortex_a8_stub): New class definition.
6191         (Stub_factory::make_cortex_a8_stub): New method definition.
6192         (Stub_factory::Stub_factory): Add missing static storage class
6193         qualifier for elf32_arm_stub_a8_veneer_blx.
6194
6195 2010-01-07  Ian Lance Taylor  <iant@google.com>
6196
6197         PR 10980
6198         * options.h (class General_options): Add --warn-unresolved-symbols
6199         and --error-unresolved-symbols.
6200         * errors.cc (Errors::undefined_symbol): Implement
6201         --warn-unresolved-symbols.
6202
6203         * options.h (class General_options): Add -z text and -z textoff.
6204         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6205
6206 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6207
6208         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6209         (Garbage_collection::cident_sections): New function.
6210         (Garbage_collection::add_cident_section): New function.
6211         (Garbage_collection::cident_sections_): New member.
6212         (gc_process_relocs): Add references to sections whose names are C
6213         identifiers.
6214         * gold.h (cident_section_start_prefix): New constant.
6215         (cident_section_stop_prefix): New constant.
6216         (is_cident): New function.
6217         * layout.cc (Layout::define_section_symbols): Replace string constants
6218         with the newly defined constants.
6219         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6220         C identifiers.
6221         * testsuite/Makefile.am: Add gc_orphan_section_test.
6222         * testsuite/Makefile.in: Regenerate.
6223         * testsuite/gc_orphan_section_test.cc: New file.
6224         * testsuite/gc_orphan_section_test.sh: New file.
6225
6226 2010-01-06  Ian Lance Taylor  <iant@google.com>
6227
6228         PR 10980
6229         * options.h (class General_options): Add --warn-shared-textrel.
6230         * layout.cc (Layout::finish_dynamic_section): Implement
6231         --warn-shared-textrel.
6232
6233         PR 10980
6234         * options.h (class General_options): Add --warn-multiple-gp.
6235
6236 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6237
6238         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6239         $(THREADSLIB) and $(LIBDL).
6240         * Makefile.in: Rebuild.
6241
6242 2010-01-06  Ian Lance Taylor  <iant@google.com>
6243
6244         PR 10980
6245         * options.cc (General_options::parse_section_start): New function.
6246         (General_options::section_start): New function.
6247         (General_options::General_options): Initialize all members.
6248         * options.h: Include <map>
6249         (class General_options): Add --section-start.  Add section_starts_
6250         member.
6251         * layout.cc (Layout::attach_allocated_section_to_segment): If
6252         --section-start was used, set the address of the segment.  Remove
6253         local sort_sections.
6254         (Layout::relaxation_loop_body): If the address of the load segment
6255         has been set by --section-start, don't use it.
6256         * output.h (Output_segment::update_flags_for_output_section): New
6257         function.
6258         * output.cc (Output_segment::add_output_section): Call
6259         update_flags_for_output_section.
6260
6261 2010-01-05  Ian Lance Taylor  <iant@google.com>
6262
6263         PR 10980
6264         * options.h (class General_options): Add --undefined-version.
6265         * script.cc (struct Version_expression): Add was_matched_by_symbol
6266         field.
6267         (Version_script_info::matched_symbol): New function.
6268         (Version_script_info::get_symbol_version_helper): Call
6269         matched_symbol.
6270         (Version_script_info::check_unmatched_names): New function.
6271         * script.h (class Version_script_info): Update declarations.
6272         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6273
6274         * options.h (class General_options): Use DEFINE_bool_alias for
6275         allow_multiple_definition.
6276         * resolve.cc (Symbol_table::should_override): Don't test
6277         allow_multiple_definition.
6278
6279         PR 10980
6280         * options.h (class General_options): Add --cref.
6281         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6282         until after printing cref table.
6283         * cref.cc: Include "symtab.h".
6284         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6285         (Cref_table_compare::operator()): New function.
6286         (Cref_inputs::gather_cref): New function.
6287         (filecol): New static const.
6288         (Cref_inputs::print_cref): New function.
6289         (Cref::print_cref): New function.
6290         * cref.h: Include <cstdio>.
6291         (class Cref): Update declarations.
6292         * mapfile.h (Mapfile::file): New function.
6293         * object.h (class Object): Define Symbols.  Declare virtual
6294         do_get_global_symbols.
6295         (Object::get_global_symbols): New function.
6296         * object.cc (Input_objects::add_object): Pass object to cref_ if
6297         --cref.
6298         (Input_objects::archive_start): Likewise.
6299         (Input_objects::archive_stop): Likewise.
6300         (Input_objects::print_cref): New function.
6301         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6302         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6303         --cref.
6304         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6305         function.
6306         * plugin.h (class Sized_pluginobj): Update declarations.
6307
6308 2010-01-05  Ian Lance Taylor  <iant@google.com>
6309
6310         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6311         to is_default_version.  Rename insdef to insdefault.
6312         (Symbol_table::add_from_relobj): Rename def to is_default_version
6313         and local to is_forced_local.
6314         (Symbol_table::add_from_pluginobj): Likewise.
6315         (Symbol_table::add_from_dynobj): Likewise.
6316         (Symbol_table::define_special_symbol): Rename insdef to
6317         insdefault.
6318
6319 2010-01-04  Ian Lance Taylor  <iant@google.com>
6320
6321         PR 10980
6322         * options.h (class General_options): Add
6323         --allow-multiple-definition and -z muldefs.
6324         * resolve.cc (Symbol_table::should_override): Don't warn about a
6325         multiple symbol definition if --allow-multiple-definition or -z
6326         muldefs.
6327
6328         PR 10980
6329         * options.h (class General_options): Add --add-needed and
6330         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6331         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6332         error if --copy-dt-needed-entries aka --add-needed is used and
6333         would cause a change in behaviour.
6334
6335         PR 10980
6336         * options.h (class General_options): Add -G as a short version of
6337         --shared.  Add no-op options -assert, -g, and -i.
6338
6339 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6340
6341         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6342         check for .text or .gnu.linkonce.t sections.
6343         * icf.cc (Icf::find_identical_sections): Ditto.
6344         Change the detection for mangled function name within the section
6345         name.
6346         * icf.h (is_section_foldable_candidate): New function.
6347
6348 2009-12-30  Ian Lance Taylor  <iant@google.com>
6349
6350         PR 10980
6351         * options.h (class General_options): Permit two dashes with
6352         --retain-symbols-file.
6353
6354 2009-12-30  Ian Lance Taylor  <iant@google.com>
6355
6356         PR 10979
6357         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6358         don't put the file header and segment headers in the text
6359         segment.
6360
6361         PR 10979
6362         * common.cc (Sort_commons::operator()): Stabilize sort when both
6363         entries are NULL.
6364         (Symbol_table::do_allocate_commons_list): When allocating common
6365         symbols, skip a symbol which is no longer common.
6366         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6367         an object before checking its type.
6368         * testsuite/common_test_2.c: New file.
6369         * testsuite/common_test_3.c: New file.
6370         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6371         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6372         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6373         (common_test_2_pic.o, common_test_2.so): New targets.
6374         (common_test_3_pic.o, common_test_3.so): New targets.
6375         * testsuite/Makefile.in: Rebuild.
6376
6377         PR 10979
6378         * script.cc (read_input_script): If we see a new SECTIONS clause,
6379         and we have added an input section, give an error.
6380         * layout.h (class Layout): Add have_added_input_section function.
6381         Add have_added_input_section_ field.
6382         * layout.cc (Layout::Layout): Initialize
6383         have_added_input_section_.
6384         (Layout::layout): Set have_added_input_section_.
6385         (Layout::layout_eh_frame): Likewise.
6386
6387 2009-12-30  Ian Lance Taylor  <iant@google.com>
6388
6389         PR 10931
6390         * options.h (class General_options): Add --sort-common option.
6391         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6392         * common.cc (Sort_common): Add sort_order parameter to
6393         constructor.  Add sort_order_ field.
6394         (Sort_commons::operator): Check sort_order_.
6395         (Symbol_table::allocate_commons): Determine the sort order.
6396         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6397         Change all callers.
6398         (Symbol_table::do_allocate_commons_list): Likewise.
6399
6400 2009-12-30  Ian Lance Taylor  <iant@google.com>
6401
6402         PR 10916
6403         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6404         symbols from this object, don't change the visibility of an
6405         undefined symbol.
6406         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6407
6408 2009-12-30  Ian Lance Taylor  <iant@google.com>
6409
6410         PR 10861
6411         * script.h (class Version_script_info): Define Language enum.
6412         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6413         new fields globals_, locals_, and is_finalized_.
6414         * script.cc: Various formatting fixes.
6415         (class Parser_closure): Change language_stack_ from a vector of
6416         std::string to one of Version_script_info::Language.  Adjust all
6417         uses accordingly.
6418         (class Lazy_demangler): Remove.
6419         (struct Version_expression): Change language from std::string to
6420         Version_script_info::Language.
6421         (Version_script_info::Version_script_info): New function.
6422         (Version_script_info::~Version_script_info): Don't call clear.
6423         (Version_script_info::finalize): New function.
6424         (Version_script_info::build_lookup_tables): New function.
6425         (Version_script_info::build_expression_list_lookup): New
6426         function.
6427         (Version_script_info::get_symbol_version_helper): Rewrite to use
6428         lookup tables.
6429         (Version_script_info::print_expression_list): Adjust to use
6430         Version_script_info::Language.
6431         (script_push_lex_into_version_mode): Check that the version script
6432         has not been finalized.
6433         (version_script_push_lang): Change language string to
6434         Version_script_info::Language.
6435         * options.cc (Command_line::version_script): New function.
6436         * options.h (class General_options): Add finalize_dynamic_list
6437         function.  Change version_script from declaration to definition.
6438         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6439         * testsuite/version_script.map: Remove duplicate def of foo.
6440         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6441         version_script.map.
6442         * testsuite/Makefile.in: Rebuild.
6443
6444 2009-12-30  Ian Lance Taylor  <iant@google.com>
6445
6446         PR 10843
6447         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6448         if the input symbol index is 0, make the output symbol index 0.
6449
6450 2009-12-30  Ian Lance Taylor  <iant@google.com>
6451
6452         PR 10670
6453         * options.h (class General_options): Add -x/--discard-all.
6454         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6455         --discard-all.  If the local symbol needs a dynamic entry, check
6456         that before handling --discard-locals.
6457
6458 2009-12-30  Ian Lance Taylor  <iant@google.com>
6459
6460         PR 10450
6461         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6462         flags to PF_R.
6463         (Output_segment::add_output_section): Don't change the flags if
6464         the type is PT_TLS.
6465
6466         PR 10450
6467         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6468         GNU hash table if they need a dynamic value.  Otherwise, don't add
6469         them if they are defined in a dynamic object or are forced local.
6470
6471 2009-12-29  Ian Lance Taylor  <iant@google.com>
6472
6473         PR 10450
6474         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6475         .gnu.hash table for a 32-bit target.
6476
6477         PR 10450
6478         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6479         regular and a dynamic object only needs a dynamic symbol table
6480         entry if it is externally visible.
6481
6482         PR 10450
6483         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6484         constructor.  Add global_offset_table_ field.
6485         (Target_i386::got_section): Set global_offset_table_.
6486         (Target_i386::do_finalize_sections): Set global_offset_table_
6487         size.
6488         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6489         in constructor.  Add global_offset_table_ field.
6490         (Target_x86_64::got_section): Set global_offset_table_.
6491         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6492         size.
6493
6494         * layout.cc (Layout::Layout): Initialize increase_relro_.
6495         (Layout::get_output_section): Add is_relro, is_last_relro, and
6496         is_first_non_relro parameters.  Change all callers.
6497         (Layout::choose_output_section): Likewise.
6498         (Layout::add_output_section_data): Likewise.
6499         (Layout::make_output_section): Likewise.
6500         (Layout::set_segment_offsets): Clear increase_relro when using a
6501         linker script.
6502         * layout.h (class Layout): Add increase_relro method.  Add
6503         increase_relro_ field.  Update declarations.
6504         * output.cc (Output_section::Output_section): Initialize
6505         is_last_relro_ and is_first_non_relro_.
6506         (Output_segment::add_output_section): Group relro sections is
6507         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6508         (Output_segment::maximum_alignment): Remove relro handling.
6509         (Output_segment::set_section_addresses): Add increase_relro
6510         parameter.  Change all callers.  Add initial alignment to align
6511         relro sections on separate page.  Remove old relro handling.
6512         (Output_segment::set_section_list_addresses): Remove in_relro
6513         parameter.  Change all callers.
6514         (Output_segment::set_offset): Add increase parameter.  Change all
6515         callers.  Remove old relro handling.
6516         * output.h (class Output_section): Add new methods: is_last_relro,
6517         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6518         Add is_last_relro_ and is_first_non_relro_ fields.
6519         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6520         Create separate .got.plt section.  Call increase_relro.
6521         * x86_64.cc (Target_x86_64::got_section): Likewise.
6522         * testsuite/relro_script_test.t: Add .got.plt.
6523
6524         PR 10450
6525         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6526         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6527         (Layout::finalize): Call set_dynamic_symbol_size.
6528         (Layout::set_dynamic_symbol_size): New function.
6529         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6530         set_dynamic_symbol_size.
6531
6532         PR 10450
6533         * output.h (class Output_section): Add is_entsize_zero_ field.
6534         * output.cc (Output_section::Output_section): Initialize
6535         is_entsize_zero_.
6536         (Output_section::set_entsize): If two different entsizes are
6537         requested, force it to zero.
6538         (Output_section::add_input_section): Set flags for .debug_str
6539         before updating section flags.  Set entsize.
6540         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6541         and SHF_STRING if all input sections have those flags.
6542
6543 2009-12-29   Rafael Espindola  <espindola@google.com>
6544
6545         * main.cc (main): Fix the sys time reporting.
6546         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6547         reporting.
6548
6549 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6550
6551         * options.cc (General_options::parse_version): Allow -v to exit
6552         without an error if there is nothing to link.
6553
6554 2009-12-29  Ian Lance Taylor  <iant@google.com>
6555
6556         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6557         using a version of gcc before 4.1.
6558         * configure: Rebuild.
6559
6560 2009-12-28  Chris Demetriou  <cgd@google.com>
6561
6562         * attributes.cc (Output_attributes_section_data::do_write): Use
6563         std::vector::front rather than std::vector::data.
6564
6565 2009-12-28  Ian Lance Taylor  <iant@google.com>
6566
6567         * symtab.h (class Symbol_table): Add enum Defined.
6568         * resolve.cc (Symbol_table::should_override): Add defined
6569         parameter.  Change all callers.  Test whether object is NULL
6570         before calling a method on it.
6571         (Symbol_table::report_resolve_problem): Add defined parameter.
6572         Change all callers.
6573         (Symbol_table::should_override_with_special): Likewise.
6574         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6575         parameter.  Change all callers.
6576         (Symbol_table::do_define_in_output_data): Likewise.
6577         (Symbol_table::define_in_output_segment): Likewise.
6578         (Symbol_table::do_define_in_output_segment): Likewise.
6579         (Symbol_table::define_as_constant): Likewise.
6580         (Symbol_table::do_define_as_constant): Likewise.
6581         * script.h (class Symbol_assignment): Add is_defsym parameter to
6582         constructor; change all callers.
6583         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6584         parameter.  Change all callers.  Add is_defsym_ field.
6585         (class Parser_closure): Add parsing_defsym parameter to
6586         constructor; change all callers.  Add parsing_defsym accessor
6587         function.  Add parsing_defsym_ field.
6588
6589 2009-12-28  Ian Lance Taylor  <iant@google.com>
6590
6591         * gold.cc (queue_middle_tasks): Fix formatting.
6592         * object.cc (Relobj::is_section_name_included): Likewise.
6593
6594 2009-12-23  Ian Lance Taylor  <iant@google.com>
6595
6596         * i386.cc (Target_i386::do_calls_non_split): Recognize
6597         -fsplit-stack prologue for a function with a static chain.
6598         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6599         -fsplit-stack prologue when using %r11.
6600
6601 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6602
6603         * options.cc (General_options::parse_version): Make -v continue and do
6604         the link like GNU ld does.
6605
6606 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6607
6608         * Makefile.am (CCFILES): Add timer.cc.
6609         (HFILES): Add timer.h.
6610         * configure.ac: Check for sysconf and times.
6611         * main.cc: include timer.h.
6612         (main): Use Timer instead of get_run_time.
6613         * timer.cc: New.
6614         * timer.h: New.
6615         * workqueue.cc: include timer.h.
6616         (Workqueue::find_and_run_task):
6617         Report user, sys and wall time.
6618         * Makefile.in: Regenerate.
6619         * config.in: Regenerate.
6620         * configure: Regenerate.
6621
6622 2009-12-16  Doug Kwan  <dougkwan@google.com>
6623
6624         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6625         sections.
6626         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6627         relaxed input sections.
6628         * output.cc (Output_section::find_relaxed_input_section): Change
6629         return type to Output_relaxed_input_section pointer.  Adjust code
6630         for new type of relaxed_input_section_map_.
6631         * output.h (Output_section::find_relaxed_input_section): Change
6632         return type to Output_relaxed_input_section pointer.
6633         (Output_section::Output_relaxed_input_section_by_input_section_map):
6634         New type.
6635         (Output_section::relaxed_input_section_map_): Change type to
6636         Output_section::Output_relaxed_input_section_by_input_section_map.
6637         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6638         input section.
6639
6640 2009-12-15  Ian Lance Taylor  <iant@google.com>
6641
6642         * layout.cc (Layout::create_shstrtab): Only write out after input
6643         sections if we are compressing debug sections.
6644
6645 2009-12-15  Ian Lance Taylor  <iant@google.com>
6646
6647         * archive.cc (Archive::add_symbols): Only look up a symbol without
6648         a version if there is, in fact, a version.
6649
6650 2009-12-14  Ian Lance Taylor  <iant@google.com>
6651
6652         Revert -Wshadow changes, all changes from:
6653         2009-12-11  Doug Kwan  <dougkwan@google.com>
6654         2009-12-11  Nick Clifton  <nickc@redhat.com>
6655         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6656
6657 2009-12-11  Doug Kwan  <dougkwan@google.com>
6658
6659         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6660         due to -Wshadow.
6661         * attributes.cc (Object_attribute::size): Ditto.
6662         (Attributes_section_data::size): Ditto.
6663         (Attributes_section_data::Attributes_section_data): Ditto.
6664         (Output_attributes_section_data::do_write): Ditto.
6665         * attributes.h (Object_attribute::set_type): Ditto.
6666         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6667
6668 2009-12-11  Nick Clifton  <nickc@redhat.com>
6669
6670         * archive.cc: Fix shadowed variable warnings.
6671         * arm.cc: Likewise.
6672         * compressed_output.cc: Likewise.
6673         * compressed_output.h: Likewise.
6674         * configure: Likewise.
6675         * dwarf_reader.cc: Likewise.
6676         * dynobj.cc: Likewise.
6677         * dynobj.h: Likewise.
6678         * ehframe.cc: Likewise.
6679         * ehframe.h: Likewise.
6680         * errors.cc: Likewise.
6681         * expression.cc: Likewise.
6682         * fileread.cc: Likewise.
6683         * fileread.h: Likewise.
6684         * freebsd.h: Likewise.
6685         * i386.cc: Likewise.
6686         * icf.cc: Likewise.
6687         * incremental.h: Likewise.
6688         * layout.cc: Likewise.
6689         * layout.h: Likewise.
6690         * mapfile.cc: Likewise.
6691         * merge.cc: Likewise.
6692         * merge.h: Likewise.
6693         * object.cc: Likewise.
6694         * object.h: Likewise.
6695         * options.h: Likewise.
6696         * output.cc: Likewise.
6697         * output.h: Likewise.
6698         * parameters.cc: Likewise.
6699         * plugin.cc: Likewise.
6700         * powerpc.cc: Likewise.
6701         * reduced_debug_output.cc: Likewise.
6702         * reduced_debug_output.h: Likewise.
6703         * reloc.cc: Likewise.
6704         * reloc.h: Likewise.
6705         * resolve.cc: Likewise.
6706         * script-sections.cc: Likewise.
6707         * script.cc: Likewise.
6708         * script.h: Likewise.
6709         * sparc.cc: Likewise.
6710         * symtab.cc: Likewise.
6711         * symtab.h: Likewise.
6712         * target-select.cc: Likewise.
6713         * target-select.h: Likewise.
6714         * token.h: Likewise.
6715         * workqueue.cc: Likewise.
6716         * workqueue.h: Likewise.
6717         * x86_64.cc: Likewise.
6718
6719 2009-12-10  Doug Kwan  <dougkwan@google.com>
6720
6721         * arm.cc (attributes.h): New include.
6722         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6723         (Arm_relobj::~Arm_relobj): Delete object pointed by
6724         attributes_section_data_.
6725         (Arm_relobj::attributes_section_data): New method definition.
6726         (Arm_relobj::attributes_section_data_): New data member declaration.
6727         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6728         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6729         attributes_section_data_.
6730         (Arm_dynobj::attributes_section_data): New method definition.
6731         (Arm_dynobj::attributes_section_data_): New data member declaration.
6732         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6733         initialization value of may_use_blx_ to false.
6734         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6735         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6736         object attributes to compute results instead of hard-coding.
6737         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6738         Target_arm::get_secondary_compatible_arch,
6739         Target_arm::set_secondary_compatible_arch
6740         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6741         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6742         New method declarations.
6743         (Target_arm::get_aeabi_object_attribute): New method definition.
6744         (Target_arm::attributes_section_data_): New data member declaration.
6745         (read_arm_attributes_section): New template definition.
6746         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6747         (Arm_dynobj::do_read_symbols): Ditto.
6748         (Target_arm::do_finalize_sections): Merge attributes sections from
6749         input.  Check for BLX use after attributes section merging.
6750         Fix __exidx_start and __exidx_end visibility.  Create an
6751         .ARM.attributes section if necessary.
6752         (Target_arm::get_secondary_compatible_arch,
6753         Target_arm::set_secondary_compatible_arch,
6754         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6755         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6756         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6757         New method definitions.
6758
6759 2009-12-09  Ian Lance Taylor  <iant@google.com>
6760
6761         * plugin.cc (Plugin::load): Don't cast from void* to a function
6762         pointer.
6763
6764 2009-12-09  Ian Lance Taylor  <iant@google.com>
6765
6766         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6767         information fields.
6768
6769 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6770
6771         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6772         Replace two_file_shared_1.so with two_file_shared_2.so.
6773         * testsuite/Makefile.in: Regenerated.
6774
6775 2009-12-08  Doug Kwan  <dougkwan@google.com>
6776
6777         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6778         (HFILES): Add attributes.h and int_encoding.h.
6779         * Makefile.in: Regenerate.
6780         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6781         function definitions to int_encoding.cc
6782         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6783         prototypes to int_encoding.h
6784         * reduced_debug_output.cc (int_encoding.h): New include.
6785         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6786         function definitions to int_encoding.cc
6787         (insert_into_vector, read_from_pointer): Move template definitions to
6788         int_encoding.h
6789         * attributes.cc: New file.
6790         * attributes.h: New file.
6791         * int_encoding.cc: New file.
6792         * int_encoding.h: New file.
6793
6794 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6795
6796         PR gold/11055
6797         * incremental-dump.cc (dump_incremental_inputs): New.
6798         (main): Use dump_incremental_inputs.
6799
6800 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6801
6802         PR gold/10893
6803         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6804         checking elfcpp::STT_FUNC.
6805         (Target_i386::Relocate::relocate): Likewise.
6806         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6807
6808         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6809         symbols from shared libraries into normal FUNC symbols.
6810
6811         * symtab.h (Symbol): Add is_func and use it.
6812
6813 2009-12-05  Doug Kwan  <dougkwan@google.com>
6814
6815         * arm.cc (Target_arm::arm_info): Initialize new fields
6816         attributes_section and attributes_vendor.
6817         * i386.cc (Target_i386::i386_info): Same.
6818         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6819         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6820         fields attributes_section and attributes_vendor.
6821         * sparc.cc (Target_sparc::sparc_info): Same.
6822         * target.h (Target::attributes_section, Target::attributes_vendor,
6823         Target::is_attributes_section, Target::attribute_arg_type,
6824         Target::attributes_order): New method definitions.
6825         (Target::Target_info::attributes_section,
6826         Target::Target_info::attributes_vendor): New fields.
6827         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6828         virtual method definitions.
6829         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6830         attributes_section and attributes_vendor.
6831         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6832
6833 2009-12-05  Doug Kwan  <dougkwan@google.com>
6834
6835         * arm.cc: Update comments about interworking and stub generation.
6836         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6837         considered as non-PIC.
6838         (Arm_relocate_functions::base_abs): Fix formatting.
6839         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6840         of function to use GOT entry address instead of offset.
6841         (Target_arm::Scan::global): Issue an error if a symbol would need a
6842         PLT does not get one because it is untyped.  Remove code to create
6843         dynamic symbols for relative branches.
6844         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6845         takes unsigned integer instead of boolean.
6846
6847 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6848
6849         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6850         (two_file_test_LDADD): Likewise.
6851         (common_test_1_LDADD): Likewise.
6852         (exception_test_LDADD) Likewise.
6853         (weak_test_LDADD): Likewise.
6854         (many_sections_test_LDADD): Likewise.
6855         (initpri1_LDADD): Likewise.
6856         (script_test_1_LDADD): Likewise.
6857         (script_test_2_LDADD): Likewise.
6858         (justsyms_LDADD): Likewise.
6859         (binary_test_LDADD): Likewise.
6860         (large_LDADD): Likewise.
6861         * testsuite/Makefile.in: Regenerated.
6862
6863 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6864
6865         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6866         (Symbol_table::override_with_special): Likewise.
6867         (Symbol_table::add_from_object): Likewise.
6868
6869 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6870
6871         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6872         Don't set the data_offset twice.
6873
6874 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6875
6876         * testsuite/Makefile.in: Regenerate.
6877
6878 2009-12-03  Doug Kwan  <dougkwan@google.com>
6879
6880         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6881         (Target_arm::do_finalize_sections): Add parameter for symbol table
6882         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6883         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6884         parameter for symbol table pointer.
6885         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6886         an additional parameter for a pointer to symbol table.
6887         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6888         parameter for a symbol table pointer.
6889         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6890         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6891         Ditto.
6892         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6893         parameter for a symbol table pointer.
6894
6895 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6896
6897         * incremental.cc (Incremental_inputs_header)
6898         (Incremental_inputs_header_write, Incremental_inputs_entry)
6899         (Incremental_inputs_entry_write): Move ...
6900         * incremental.h (Incremental_inputs_header)
6901         (Incremental_inputs_header_write, Incremental_inputs_entry)
6902         (Incremental_inputs_entry_write): here.
6903
6904 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6905
6906         * incremental.cc (make_sized_incremental_binary): Set the target.
6907         Error if it is incompatible.
6908         * output.h (Output_file): Add filename method.
6909
6910 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6911
6912         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6913         from the get_* methods.
6914
6915 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6916
6917         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6918         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6919         Write 0 for the data_offset of scripts.
6920
6921 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6922
6923         * testsuite/Makefile.am: Add the incremental_test.sh test.
6924         * testsuite/incremental_test.sh: New.
6925         * testsuite/incremental_test_1.c: New.
6926         * testsuite/incremental_test_2.c: New.
6927
6928 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6929
6930        * incremental-dump.cc (main): Fix typos.
6931
6932 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6933
6934         PR gold/11025
6935         * incremental-dump.cc (main): Use llu to print 64 bit values.
6936
6937 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6938             H.J. Lu  <hongjiu.lu@intel.com>
6939
6940         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6941         $(LIBDL).
6942         (incremental_dump_LDADD): Likewise.
6943         * Makefile.in: Regenerated.
6944
6945 2009-11-25  Doug Kwan  <dougkwan@google.com>
6946
6947         Revert:
6948
6949         2009-11-25  Doug Kwan  <dougkwan@google.com>
6950
6951                 * arm.cc (Target_arm::Target_arm): Move method definition
6952                 outside of class definition.  Add code to handle
6953                 --target1-rel, --target1-abs and --target2= options.
6954                 (Target_arm::get_reloc_reloc_type): Change method to be
6955                 non-static and const.
6956                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6957                 New data member declaration.
6958                 (Target_arm::Scan::local, Target_arm::Scan::global,
6959                 Target_arm::Relocate::relocate,
6960                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6961                 Adjust call to Target_arm::get_real_reloc_type.
6962                 (Target_arm::get_real_reloc_type): Use command line options
6963                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6964                 * options.h (--target1-rel, --target1-abs, --target2): New
6965                 ARM-only options.
6966
6967 2009-11-25  Doug Kwan  <dougkwan@google.com>
6968
6969         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6970         class definition.  Add code to handle --target1-rel, --target1-abs
6971         and --target2= options.
6972         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6973         and const.
6974         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6975         member declaration.
6976         (Target_arm::Scan::local, Target_arm::Scan::global,
6977         Target_arm::Relocate::relocate,
6978         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6979         call to Target_arm::get_real_reloc_type.
6980         (Target_arm::get_real_reloc_type): Use command line options to
6981         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6982         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6983         options.
6984
6985 2009-11-25  Doug Kwan  <dougkwan@google.com>
6986
6987         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6988         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6989         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6990         formatting.
6991         (Arm_relocate_functions::thm_call): Replace body with a call to
6992         Arm_relocate_functions::thumb_branch_common.
6993         (Arm_relocate_functions::thm_jump24,
6994         Arm_relocate_functions::thm_xpc22): New method definitions.
6995         (Arm_relocate_functions::thumb_branch_common): New method definition.
6996         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6997         operator.
6998         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6999         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7000
7001 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7002
7003         * Makefile.am: Build incremental-dump
7004         * Makefile.in: Regenerate.
7005         * incremental-dump.cc: New.
7006         * incremental.cc (Incremental_inputs_header_data,
7007         Incremental_inputs_entry_data): Move to incremental.h
7008         * incremental.h: (Incremental_inputs_header_data,
7009         Incremental_inputs_entry_data): Move from incremental.cc
7010
7011 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7012
7013         * incremental.cc (Incremental_inputs_header,
7014         Incremental_inputs_header_write, Incremental_inputs_entry,
7015         Incremental_inputs_entry_write): Add a typedef with the data type.
7016
7017 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7018
7019         * incremental.cc (Incremental_inputs_header,
7020         Incremental_inputs_header_write, Incremental_inputs_entry,
7021         Incremental_inputs_entry_write): Update comment about which
7022         type has the filed descriptions.
7023
7024 2009-11-15  Doug Kwan  <dougkwan@google.com>
7025
7026         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7027         (Arm_relocate_functions::arm_branch_common): Change method defintion
7028         in class definition to a method declaration and update list of formal
7029         parameters.
7030         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7031         Arm_relocation_functions::jump24): Adjust call to
7032         Arm_relocate_functions::arm_branch_common.  Update list of formal
7033         parameters.
7034         (Arm_relocate_functions::xpc25): New method definition.
7035         (Arm_relocate_functions::arm_branch_common): Move method defintion
7036         out from class definition.  Use stubs for mode-switching and extending
7037         branch ranges.
7038         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7039         specially.  Change code to enable use of stubs in ARM branches.
7040
7041 2009-11-10  Doug Kwan  <dougkwan@google.com>
7042
7043         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7044         in method declaration.
7045         (Target_arm::relocate_stub): New method declaration.
7046         (Target_arm::default_target): Change to return a pointer instead of
7047         a const reference.
7048         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7049         Target_arm::default_target.
7050         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7051         method definition.
7052         (Target_arm::relocate_section): Adjust view.
7053         (Target_arm::relocate_stub): New method definition.
7054
7055 2009-11-10  Doug Kwan  <dougkwan@google.com>
7056
7057         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7058         a format warning.
7059         * incremental.cc (open_incremental_binary): Initialized local
7060         variables to avoid warnings.
7061         * object.cc (make_elf_object): Ditto.
7062         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7063         a format warning.
7064
7065 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7066
7067         PR gold/10930
7068         * testsuite/plugin_test.c: Include "config.h".
7069
7070 2009-11-09  Doug Kwan  <dougkwan@google.com>
7071
7072         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7073         (arm_symbol_value): Remove.
7074         (Arm_relocate_functions::arm_branch_common,
7075         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7076         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7077         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7078         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7079         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7080         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7081         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7082         Arm_relocate_functions::thm_mobw_abs_nc,
7083         Arm_relocate_functions::thm_mov_abs,
7084         Arm_relocate_functions::movw_prel_nc,
7085         Arm_relocate_functions::thm_movt_abs,
7086         Arm_relocate_functions::movt_prel,
7087         Arm_relocate_functions::thm_movw_prel_nc,
7088         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7089         (Target_arm::Relocate::relocate): Only decompose address into two
7090         parts if relocation type uses the thumb-bit and pass the actual
7091         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7092         calls to methods in Arm_relocate_functions for this change.
7093
7094 2009-11-08  Ian Lance Taylor  <iant@google.com>
7095
7096         PR 10925
7097         * reloc.cc: Instantiate
7098         Sized_relobj::initialize_input_to_output_maps and
7099         Sized_relobj:free_input_to_output_maps.
7100
7101 2009-11-06  Ian Lance Taylor  <iant@google.com>
7102
7103         PR 10876
7104         * defstd.cc (in_segment): Set only_if_ref true for "end".
7105
7106 2009-11-06  Doug Kwan  <dougkwan@google.com>
7107
7108         * arm.cc (class Reloc_stub): Correct a comment.
7109         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7110         (Target_arm::scan_section_for_stubs): New method declaration.
7111         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7112         Change methods from private to protected.
7113         (Target_arm::do_may_relax): New method definition.
7114         (Target_arm::do_relax, Target_arm::group_sections,
7115         Target_arm::scan_reloc_for_stub,
7116         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7117         (Target_arm::arm_input_section_map_): New data member declaration.
7118         (Target_arm::scan_reloc_for_stub,
7119         Target_arm::scan_reloc_section_for_stubs,
7120         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7121         Target_arm::do_relax): New method definitions.
7122
7123 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7124
7125         * configure.ac: Check for (struct stat)::st_mtim
7126         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7127         * config.in: Regenerate.
7128         * configure: Regenerate.
7129
7130 2009-11-05  Ian Lance Taylor  <iant@google.com>
7131
7132         PR 10910
7133         * output.cc (Output_segment::add_output_section): Add missing
7134         return statement.
7135
7136 2009-11-04  Ian Lance Taylor  <iant@google.com>
7137
7138         PR 10880
7139         * object.h (class Object): Add is_needed and set_is_needed
7140         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7141         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7142         defined in a dynamic object and referenced by a regular object,
7143         set is_needed for the dynamic object.
7144         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7145         if the file is marked with as_needed and it is not needed.
7146
7147 2009-11-04  Ian Lance Taylor  <iant@google.com>
7148
7149         PR 10887
7150         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7151         tags if data is discarded by linker script.
7152         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7153         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7154         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7155         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7156
7157 2009-11-04  Ian Lance Taylor  <iant@google.com>
7158
7159         * layout.cc (Layout::get_output_section): Add is_interp and
7160         is_dynamic_linker_section parameters.  Change all callers.
7161         (Layout::choose_output_section): Likewise.
7162         (Layout::make_output_section): Likewise.
7163         (Layout::add_output_section_data): Add is_dynamic_linker_section
7164         parameter.  Change all callers.
7165         * layout.h (class Layout): Update declarations.
7166         * output.h (class Output_section): Add is_interp, set_is_interp,
7167         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7168         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7169         generate_code_fills_at_write_ to a bitfield.
7170         * output.cc (Output_section::Output_sections): Initialize new
7171         fields.
7172         (Output_segment::add_output_section): Add do_sort parameter.
7173         Change all callers.
7174
7175 2009-11-03  Ian Lance Taylor  <iant@google.com>
7176
7177         PR 10860
7178         * options.h (class General_options): Add --warn-common.
7179         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7180         merging two common symbols.
7181         (Symbol_table::should_override): Handle --warn-common when merging
7182         a common symbol with a defined symbol.  Use report_resolve_problem
7183         for multiple definitions.
7184         (Symbol_table::report_resolve_problem): New function.
7185         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7186
7187 2009-11-03  Doug Kwan  <dougkwan@google.com>
7188
7189         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7190         stub_factory_.
7191         (Target_arm::stub_factory): New method definition.
7192         (Target_arm::new_arm_input_section,
7193         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7194         Target_arm::reloc_uses_thumb_bit): New method declarations.
7195         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7196         New type definitions.
7197         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7198         member declarations.
7199         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7200         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7201         New method definitions.
7202
7203 2009-11-03  Ian Lance Taylor  <iant@google.com>
7204
7205         * options.h (class General_options): Add --warn_constructors.
7206
7207 2009-11-03  Ian Lance Taylor  <iant@google.com>
7208
7209         PR 10893
7210         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7211         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7212
7213 2009-11-03  Ian Lance Taylor  <iant@google.com>
7214
7215         PR 10895
7216         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7217         --msgid-bugs-address.
7218         (install-pdf): New target.
7219         (install-data_yes): Look up one directory to find mkinstalldirs.
7220
7221 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7222
7223         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7224         tree.
7225
7226 2009-10-30  Doug Kwan  <dougkwan@google.com>
7227
7228         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7229
7230 2009-10-30  Doug Kwan  <dougkwan@google.com>
7231
7232         * arm.cc (Stub_addend_reader): New struct template definition
7233         and partial specializations.
7234         (Stub_addend_reader::operator()): New method definition for a
7235         partially specialized template.
7236
7237 2009-10-30  Doug Kwan  <dougkwan@google.com>
7238
7239         * arm.cc (Arm_relobj::processor_specific_flags): New method
7240         definition.
7241         (Arm_relobj::do_read_symbols): New method declaration.
7242         (Arm_relobj::processor_specific_flags_): New data member declaration.
7243         (Arm_dynobj): New class definition.
7244         (Target_arm::do_finalize_sections): Add input_objects parameter.
7245         (Target_arm::do_adjust_elf_header): New method declaration.
7246         (Target_arm::are_eabi_versions_compatible,
7247         (Target_arm::merge_processor_specific_flags): New method declaration.
7248         (Target_arm::do_make_elf_object): New overloaded method definitions
7249         and declaration.
7250         (Arm_relobj::do_read_symbols): New method definition.
7251         (Arm_dynobj::do_read_symbols): Ditto.
7252         (Target_arm::do_finalize_sections): Add input_objects parameters.
7253         Merge processor-specific flags from all input objects.
7254         (Target_arm::are_eabi_versions_compatible,
7255         Target_arm::merge_processor_specific_flags,
7256         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7257         New method definitions.
7258         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7259         Input_objects pointer type parameter.
7260         * layout.cc (Layout::finalize): Pass input objects to target's.
7261         finalize_sections function.
7262         * output.cc (Output_file_header::do_sized_write): Set ELF file
7263         header's processor-specific flags.
7264         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7265         Input_objects pointer type parameter.
7266         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7267         * target.h (Input_objects): New forward class declaration.
7268         (Target::processor_specific_flags,
7269         Target::are_processor_specific_flags_sect): New method definitions.
7270         (Target::finalize_sections): Add input_objects parameter.
7271         (Target::Target): Initialize processor_specific_flags_ and
7272         are_processor_specific_flags_set_.
7273         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7274         parameter.
7275         (Target::set_processor_specific_flags): New method definition.
7276         (Target::processor_specific_flags_,
7277         Target::are_processor_specific_flags_set_): New data member
7278         declarations.
7279         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7280         Input_objects pointer type parameter.
7281
7282 2009-10-30  Doug Kwan  <dougkwan@google.com>
7283
7284         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7285
7286 2009-10-28  Ian Lance Taylor  <iant@google.com>
7287
7288         * object.h (class Relobj): Drop options parameter from
7289         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7290         do_scan_relocs, do_relocate.  Change all callers.
7291         (class Sized_relobj): Drop options parameters from
7292         do_gc_process_relocs, do_scan_relocs, do_relocate,
7293         do_relocate_sections, relocate_sections, emit_relocs_scan,
7294         emit_relocs_scan_reltype.  Change all callers.
7295         (struct Relocate_info): Remove options field and all references to
7296         it.
7297         * reloc.h (class Read_relocs): Remove options constructor
7298         parameter and options_ field.  Change all callers.
7299         (class Gc_process_relocs, class Scan_relocs): Likewise.
7300         (class Relocate_task): Likewise.
7301         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7302         all callers.
7303         (scan_relocatable_relocs): Likewise.
7304         * target.h (class Sized_target): Remove options parameter from
7305         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7306         all callers.
7307         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7308         callers.
7309         * arm.cc: Update functions to remove options parameters.
7310         * i386.cc: Likewise.
7311         * powerpc.cc: Likewise.
7312         * sparc.cc: Likewise.
7313         * x86_64.cc: Likewise.
7314         * testsuite/testfile.cc: Likewise.
7315
7316 2009-10-28  Doug Kwan  <dougkwan@google.com>
7317
7318         * arm.cc (Arm_relobj): New class definition.
7319         (Arm_relobj::scan_sections_for_stubs,
7320         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7321         New method definitions.
7322
7323 2009-10-28  Cary Coutant  <ccoutant@google.com>
7324
7325         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7326         (Plugin::cleanup_done_): New member.
7327         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7328         (Plugin_manager::cleanup_done_): Remove.
7329         (Plugin_manager::add_input_file): Edit error message.
7330         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7331         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7332
7333 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7334
7335         * fileread.cc: (File_read::View::~View): Use the new
7336         data_ownership_ filed.
7337         (File_read::~File_read): Dispose the new whole_file_view_.
7338         (File_read::open): Mmap the whole file if needed.
7339         (File_read::open): Use whole_file_view_ instead of contents_.
7340         (File_read::find_view): Use whole_file_view_ if applicable.
7341         (File_read::do_read): Use whole_file_view_ instead of contents_.
7342         (File_read::make_view): Use whole_file_view_ instead of contents_,
7343         update File_read::View::View call.
7344         (File_read::find_or_make_view): Update File_read::View::View
7345         call.
7346         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7347         remove contents_
7348         (File_read::View::Data_ownership): New enum.
7349         (File_read::View::View): Replace bool mapped_ with Data_ownership
7350         argument.
7351         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7352         (File_read::View::data_ownership_): New field.
7353         (File_read::contents_): Remove (replaced by whole_file_view_).
7354         (File_read::whole_file_view_): New field.
7355         * options.h (class General_options): Add --keep-files-mapped.
7356
7357 2009-10-27  Cary Coutant  <ccoutant@google.com>
7358
7359         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7360         * testsuite/Makefile.am (plugin_test_5): New test case.
7361         * testsuite/Makefile.in: Regenerate.
7362
7363 2009-10-25  Doug Kwan  <dougkwan@google.com>
7364
7365         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7366         from private to protected to allow access by child class.
7367         (Sized_relobj::do_relocate_sections): New method declaration.
7368         (Sized_relobj::relocate_sections): Virtualize.
7369         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7370         Sized_relobj::relocate_sections.  Instantiate template explicitly
7371         for different target sizes and endianity.
7372
7373 2009-10-24  Doug Kwan  <dougkwan@google.com>
7374
7375         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7376         (Arm_input_section::as_arm_input_section): New method.
7377         (Arm_output_section): New class definition.
7378         (Arm_output_section::create_stub_group,
7379         Arm_output_section::group_sections): New method definitions.
7380
7381 2009-10-22  Doug Kwan  <dougkwan@google.com>
7382
7383         * arm.cc (Arm_input_section): New class definition.
7384         (Arm_input_section::init, Arm_input_section:do_write,
7385         Arm_input_section::set_final_data_size,
7386         Arm_input_section::do_reset_address_and_file_offset): New method
7387         definitions.
7388
7389 2009-10-21  Doug Kwan  <dougkwan@google.com>
7390
7391         * arm.cc (Stub_table, Arm_input_section): New forward class
7392         declarations.
7393         (Stub_table): New class defintion.
7394         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7395         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7396         New method definition.
7397
7398 2009-10-21  Doug Kwan  <dougkwan@google.com>
7399
7400         * arm.cc: Update copyright comments.
7401         (Target_arm): New forward class template declaration.
7402         (Arm_address): New type.
7403         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7404         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7405         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7406         constants.
7407         (Insn_template): Same.
7408         (DEF_STUBS): New macro.
7409         (Stub_type): New enum type.
7410         (Stub_template): New class definition.
7411         (Stub): Same.
7412         (Reloc_stub): Same.
7413         (Stub_factory): Same.
7414         (Target_arm::Target_arm): Initialize may_use_blx_ and
7415         should_force_pic_veneer_.
7416         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7417         Target_arm::should_force_pic_veneer,
7418         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7419         Target_arm::using_thumb_only, Target_arm:;default_target): New
7420         method defintions.
7421         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7422         New data member declarations.
7423         (Insn_template::size, Insn_template::alignment): New method defintions.
7424         (Stub_template::Stub_template): New method definition.
7425         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7426         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7427         (Stub_factory::Stub_factory): New method definition.
7428         * gold.h (string_hash): New template.
7429         * output.h (Input_section_specifier::hash_value): Use
7430         gold::string_hash.
7431         (Input_section_specifier::string_hash): Remove.
7432         * stringpool.cc (Stringpool_template::string_hash): Use
7433         gold::string_hash.
7434
7435 2009-10-20  Doug Kwan  <dougkwan@google.com>
7436
7437         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7438         symbols of relaxed input sections.
7439         * output.h (Output_section::find_relaxed_input_section): Make
7440         method public.
7441
7442 2009-10-16  Doug Kwan  <dougkwan@google.com>
7443
7444         * dynobj.cc (Versions::Versions): Initialize version_script_.
7445         Only insert base version symbol definition for a shared object
7446         if version script defines any version versions.
7447         (Versions::define_base_version): New method definition.
7448         (Versions::add_def): Check that base version is not needed.
7449         (Versions::add_need): Define base version lazily.
7450         * dynobj.h (Versions::define_base_version): New method declaration.
7451         (Versions::needs_base_version_): New data member declaration.
7452         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7453         (check_DATA): Add no_version_test.stdout.
7454         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7455         New make rules.
7456         * testsuite/Makefile.in: Regenerate.
7457         * testsuite/no_version_test.c: New file.
7458         * testsuite/no_version_test.sh: Ditto.
7459
7460 2009-10-16  Doug Kwan  <dougkwan@google.com>
7461
7462         * expression.cc (class Segment_start_expression): New class definition.
7463         (Segment_start_expression::value): New method definition.
7464         (script_exp_function_segment_start): Return a new
7465         Segment_start_expression.
7466         * gold/script-c.h (script_saw_segment_start_expression): New function
7467         prototype.
7468         * script-sections.cc (Script_sections::Script_sections): Initialize
7469         SAW_SEGMENT_START_EXPRESSION_ to false.
7470         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7471         and -Tbbs options to specify section addresses if given in
7472         command line and no SEGMENT_START expression is seen in a script.
7473         * script-sections.h (Script_sections::saw_segment_start_expression,
7474         Script_sections::set_saw_segment_start_expression): New method
7475         definition.
7476         (Script_sections::saw_segment_start_expression_): New data member
7477         declaration.
7478         * script.cc (script_saw_segment_start_expression): New function.
7479         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7480         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7481         script_test_7.sh and script_test_8.sh.
7482         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7483         script_test_8.stdout.
7484         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7485         (script_test_6, script_test_6.stdout, script_test_7,
7486         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7487         * Makefile.in: Regenerate.
7488         * testsuite/script_test_6.sh: New file.
7489         * testsuite/script_test_6.t: Same.
7490         * testsuite/script_test_7.sh: Same.
7491         * testsuite/script_test_7.t: Same.
7492         * testsuite/script_test_8.sh: Same.
7493
7494 2009-10-16  Doug Kwan  <dougkwan@google.com>
7495
7496         * output.cc (Output_segment::set_section_list_address): Cast
7497         expressions to unsigned long long type to avoid format warnings.
7498
7499 2009-10-15  Ian Lance Taylor  <iant@google.com>
7500
7501         * script.cc (Script_options::add_symbol_assignment): Always add a
7502         dot assignment to script_sections_.
7503         * script-sections.cc (Script_sections::add_dot_assignment):
7504         Initialize if necessary.
7505
7506         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7507         program headers with no load segment if there is a linker script.
7508
7509         * layout.cc (Layout::set_segment_offsets): Align the file offset
7510         to the segment aligment for -N or -n with no load segment.
7511         * output.cc (Output_segment::add_output_section): Don't crash if
7512         the first section is a TLS section.
7513         (Output_segment::set_section_list_addresses): Print an error
7514         message if the address moves backward in a linker script.
7515         * script-sections.cc
7516         (Output_section_element_input::set_section_addresses): Don't
7517         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7518         (Orphan_output_section::set_section_addresses): Likewise.
7519
7520 2009-10-15  Doug Kwan  <dougkwan@google.com>
7521
7522         * layout.cc (Layout::finish_dynamic_section): Generate tags
7523         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7524         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7525         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7526
7527 2009-10-14  Ian Lance Taylor  <iant@google.com>
7528
7529         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7530         fields.
7531         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7532         data_shdr fields of relinfo.
7533         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7534         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7535         R_386_TLS_LDO_32, adjust based on section flags.
7536         (Target_i386::Relocate::fix_up_ldo): Remove.
7537
7538 2009-10-13  Ian Lance Taylor  <iant@google.com>
7539
7540         Add support for -pie.
7541         * options.h (class General_options): Add -pie and
7542         --pic-executable.
7543         (General_options::output_is_position_independent): Test -pie.
7544         (General_options::output_is_executable): Return true if not shared
7545         and not relocatable.
7546         (General_options::output_is_pie): Remove.
7547         * options.cc (General_options::finalize): Reject incompatible uses
7548         of -pie.
7549         * gold.cc (queue_middle_tasks): A -pie link is not static.
7550         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7551         * symtab.cc (Symbol::final_value_is_known): Return false if
7552         output_is_position_independent.
7553         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7554         output_is_position_independent.
7555         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7556         output_is_position_independent.
7557         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7558         output_is_position_independent.
7559         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7560         two_file_pie_test.
7561         (basic_pie_test.o, basic_pie_test): New targets.
7562         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7563         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7564         (two_file_pie_test): New target.
7565         * testsuite/Makefile.in: Rebuild.
7566         * README: Remove note saying that -pie is not supported.
7567
7568 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7569
7570         * options.h (class General_options): Add -init and -fini.
7571         * layout.cc (Layout::finish_dynamic_section): Emit
7572         given init and fini functions.
7573
7574 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7575
7576         * gc.h (gc_process_relocs): Check if icf is enabled using new
7577         function.
7578         * gold.cc (queue_initial_tasks): Likewise.
7579         (queue_middle_tasks): Likewise.
7580         * object.cc (do_layout): Likewise.
7581         * symtab.cc (is_section_folded): Likewise.
7582         * main.cc (main): Likewise.
7583         * reloc.cc (Read_relocs::run): Likewise.
7584         (Sized_relobj::do_scan_relocs): Likewise.
7585         * icf.cc (is_function_ctor_or_dtor): New function.
7586         (Icf::find_identical_sections): Check if function is ctor or dtor when
7587         safe icf is chosen.
7588         * options.h (General_options::icf): Change option to be an enum.
7589         (Icf_status): New enum.
7590         (icf_enabled): New method.
7591         (icf_safe_folding): New method.
7592         (set_icf_status): New method.
7593         (icf_status_): New variable.
7594         * (options.cc) (General_options::finalize): Set icf_status_.
7595         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7596         icf_test and icf_keep_unique_test to use the --icf enum flag.
7597         * testsuite/icf_safe_test.sh: New file.
7598         * testsuite/icf_safe_test.cc: New file.
7599
7600 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7601
7602         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7603         includes to gc.h and icf.h.
7604         * arm.cc: Include gc.h.
7605         * gold.cc: Likewise.
7606         * i386.cc: Likewise.
7607         * powerpc.cc: Likewise.
7608         * sparc.cc: Likewise.
7609         * x86_64.cc: Likewise.
7610         * gc.h: Include icf.h.
7611
7612 2009-10-11  Ian Lance Taylor  <iant@google.com>
7613
7614         * plugin.cc: Include "gold.h" before other header files.
7615
7616 2009-10-10  Chris Demetriou  <cgd@google.com>
7617
7618         * options.h (Input_file_argument::Input_file_type): New enum.
7619         (Input_file_argument::is_lib_): Replace with...
7620         (Input_file_argument::type_): New member.
7621         (Input_file_argument::Input_file_argument): Take Input_file_type
7622         'type' rather than boolean 'is_lib' as second argument.
7623         (Input_file_argument::is_lib): Use type_.
7624         (Input_file_argument::is_searched_file): New function.
7625         (Input_file_argument::may_need_search): Handle is_searched_file.
7626         * options.cc (General_options::parse_library): Support -l:filename.
7627         (General_options::parse_just_symbols): Update for Input_file_argument
7628         changes.
7629         (Command_line::process): Likewise.
7630         * archive.cc (Archive::get_file_and_offset): Likewise.
7631         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7632         * script.cc (read_script_file, script_add_file): Likewise.
7633         * fileread.cc (Input_file::Input_file): Likewise.
7634         (Input_file::will_search_for): Handle is_searched_file.
7635         (Input_file::open): Likewise.
7636         * readsyms.cc (Read_symbols::get_name): Likewise.
7637         * testsuite/Makefile.am (searched_file_test): New test.
7638         * testsuite/Makefile.in: Regenerate.
7639         * testsuite/searched_file_test.cc: New file.
7640         * testsuite/searched_file_test_lib.cc: New file.
7641
7642 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7643             Ian Lance Taylor  <iant@google.com>
7644
7645         * descriptor.cc: Include <cstdio> and "binary-io.h".
7646         (Descriptors::open): Open the files in binary mode always.
7647         * script.cc (Lex::get_token): Treat \r as whitespace.
7648
7649 2009-10-09  Ian Lance Taylor  <iant@google.com>
7650
7651         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7652
7653 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7654             Ian Lance Taylor  <iant@google.com>
7655
7656         * configure.ac: Check for readv function also.
7657         * fileread.cc (readv): Define if not HAVE_READV.
7658         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7659         does not exist.
7660         * config.in: Regenerate.
7661         * configure: Regenerate.
7662
7663 2009-10-09  Doug Kwan  <dougkwan@google.com>
7664
7665         * layout.cc (Layout::make_output_section): Call target hook to make
7666         ordinary output section.
7667         (Layout::finalize): Adjust parameter list of call the
7668         Target::may_relax().
7669         * layout.h (class Layout::section_list): New method.
7670         * merge.h (Output_merge_base::entsize): Change visibility to public.
7671         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7672         New methods.
7673         (Output_merge_string::do_is_string): New method.
7674         * object.cc (Sized_relobj::do_setup): renamed from
7675         Sized_relobj::set_up.
7676         * object.h (Sized_relobj::adjust_shndx,
7677         Sized_relobj::initializ_input_to_output_maps,
7678         Sized_relobj::free_input_to_output_maps): Change visibilities to
7679         protected.
7680         (Sized_relobj::setup): Virtualize.
7681         (Sized_relobj::do_setup): New method declaration.
7682         (Sized_relobj::invalidate_section_offset,
7683         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7684         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7685         * options.cc (parse_int): New function.
7686         * options.h (parse_int): New declaration.
7687         (DEFINE_int): New macro.
7688         (stub_group_size): New option.
7689         * output.cc (Output_section::Output_section): Initialize memebers
7690         merge_section_map_, merge_section_by_properties_map_,
7691         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7692         (Output_section::add_input_section): Handled deferred code-fill
7693         generation and remove an old comment.
7694         (Output_section::add_relaxed_input_section): New method definition.
7695         (Output_section::add_merge_input_section): Use merge section by
7696         properties map to speed to search.  Update merge section maps
7697         as appropriate.
7698         (Output_section::build_relaxation_map): New method definition.
7699         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7700         Same.
7701         (Output_section::relax_input_section): Renamed to
7702         Output_section::convert_input_sections_to_relaxed_sections and change
7703         interface to take a vector of pointers to relaxed sections.
7704         (Output_section::find_merge_section,
7705         Output_section::find_relaxed_input_section): New method definitions.
7706         (Output_section::is_input_address_mapped,
7707         Output_section::output_offset, Output_section::output_address):
7708         Use output section data maps to speed up searching.
7709         (Output_section::find_starting_output_address): Add comments.
7710         (Output_section::do_write,
7711         Output_section::write_to_postprocessing_buffer): Do code-fill
7712         generation as appropriate.
7713         (Output_section::get_input_sections): Invalidate relaxed input section
7714         map.
7715         (Output_section::restore_states): Adjust type of checkpoint .
7716         Invalidate relaxed input section map.
7717         * output.h (Output_merge_base): New class declaration.
7718         (Input_section_specifier): New class defintion.
7719         (class Output_relaxed_input_section) Change base class to
7720         Output_section_data_build.
7721         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7722         base class initializer.
7723         (Output_section::add_relaxed_input_section): New method declaration.
7724         (Output_section::Input_section): Change visibility to protected.
7725         (Output_section::Input_section::relobj,
7726         Output_section::Input_section::shndx): Handle relaxed input sections.
7727         Output_section::input_sections) Change visibility to protected.  Also
7728         define overload to return a non-const pointer.
7729         (Output_section::Merge_section_properties): New class defintion.
7730         (Output_section::Merge_section_by_properties_map,
7731         Output_section::Output_section_data_by_input_section_map,
7732         Output_section::Relaxation_map): New types.
7733         (Output_section::relax_input_section): Rename method to
7734         Output_section::convert_input_sections_to_relaxed_sections and change
7735         interface to take a vector of relaxed section pointers.
7736         (Output_section::find_merge_section,
7737         Output_section::find_relaxed_input_section,
7738         Output_section::build_relaxation_map,
7739         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7740         New method declarations.
7741         (Output_section::merge_section_map_
7742         Output_section::merge_section_by_properties_map_,
7743         Output_section::relaxed_input_section_map_,
7744         Output_section::is_relaxed_input_section_map_valid_,
7745         Output_section::generate_code_fills_at_write_): New data members.
7746         * script-sections.cc
7747         (Output_section_element_input::set_section_addresses): Call
7748         current_data_size and addralign methods of relaxed input sections.
7749         (Orphan_output_section::set_section_addresses): Call current_data_size
7750         and addralign methods of relaxed input sections.
7751         * symtab.cc (Symbol_table::compute_final_value): Extract template
7752         from the body of Symbol_table::sized_finalize_symbol.
7753         (Symbol_table::sized_finalized_symbol): Call
7754         Symbol_table::compute_final_value.
7755         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7756         (Symbol_table::compute_final_value): New templated method declaration.
7757         * target.cc (Target::do_make_output_section): New method defintion.
7758         * target.h (Target::make_output_section): New method declaration.
7759         (Target::relax): Add more parameters for input objects, symbol table
7760         and layout.  Adjust call to do_relax.
7761         (Target::do_make_output_section): New method declaration.
7762         (Target::do_relax): Add parameters for input objects, symbol table
7763         and layout.
7764
7765 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7766
7767         * pread.c: Include stdio.h.
7768
7769 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7770
7771         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7772         defined.
7773
7774 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7775
7776         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7777         Change read_shndx type to unsigned int.
7778         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7779         int.
7780         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7781         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7782         Change read_shndx type to unsigned int.
7783         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7784         int.
7785         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7786         * layout.cc (Layout::create_symtab_sections): Cast the result of
7787         local_symcount * symsize to off_t in the gold_assert.
7788
7789 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7790
7791         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7792         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7793         R_ARM_BASE_ABS.
7794         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7795         (Arm_relocate_functions::thm_abs5): New function.
7796         (Arm_relocate_functions::abs12): New function.
7797         (Arm_relocate_functions::abs16): New function.
7798         (Arm_relocate_functions::base_abs): New function.
7799         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7800         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7801         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7802         R_ARM_BASE_ABS.
7803         (Scan::global): Likewise.
7804         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7805         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7806         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7807         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7808         R_ARM_BASE_ABS.
7809
7810 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7811
7812         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7813         (Arm_relocate_functions::movt_prel): New function.
7814         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7815         (Arm_relocate_functions::thm_movt_prel): New function.
7816         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7817         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7818         (Scan::global, Relocate::relocate): Likewise.
7819         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7820
7821 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7822
7823         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7824         Incremental_checker.
7825         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7826         unsigned int.
7827         (class Incremental_inputs_header): New class.
7828         (Incremental_inputs_header_writer): Edit comment.
7829         (Incremental_inputs_entry): New class.
7830         (Incremental_inputs_entry_writer): Edit comment.
7831         (Sized_incremental_binary::do_find_incremental_inputs_section):
7832         Add *strtab_shndx parameter, fill it.
7833         (Sized_incremental_binary::do_check_inputs): New method.
7834         (Incremental_checker::can_incrementally_link_output_file): Use
7835         Sized_incremental_binary::check_inputs.
7836         (Incremental_inputs::report_command_line): Save command line in
7837         command_line_.
7838         * incremental.h:
7839         (Incremental_binary::find_incremental_inputs_section): New
7840         method.
7841         (Incremental_binary::do_find_incremental_inputs_section): Add
7842         strtab_shndx parameter.
7843         (Incremental_binary::do_check_inputs): New pure virtual method.
7844         (Sized_incremental_binary::do_check_inputs): Declare.
7845         (Incremental_checker::Incremental_checker): Add incremental_inputs
7846         parameter, use it to initialize incremental_inputs_.
7847         (Incremental_checker::incremental_inputs_): New field.
7848         (Incremental_checker::command_line): New method.
7849         (Incremental_checker::inputs): New method.
7850         (Incremental_checker::command_line_): New field.
7851
7852 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7853
7854         * incremental.cc: Include <cstdarg> and "target-select.h".
7855         (vexplain_no_incremental): New function.
7856         (explain_no_incremental): New function.
7857         (Incremental_binary::error): New method.
7858         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7859         method.
7860         (make_sized_incremental_binary): New function.
7861         (open_incremental_binary): New function.
7862         (can_incrementally_link_file): Add checks if output is ELF and has
7863         inputs section.
7864         * incremental.h: Include "elfcpp_file.h" and "output.h".
7865         (Incremental_binary): New class.
7866         (Sized_incremental_binary): New class.
7867         (open_incremental_binary): Declare.
7868         * object.cc (is_elf_object): Use
7869         elfcpp::Elf_recognizer::is_elf_file.
7870         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7871         * output.h (Output_file::filesize): New method.
7872
7873 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7874
7875         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7876         New function.
7877         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7878         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7879         function.
7880         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7881         function.
7882         (Arm_relocate_functions::movw_abs_nc): New function.
7883         (Arm_relocate_functions::movt_abs): New function.
7884         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7885         (Arm_relocate_functions::thm_movt_abs): New function.
7886         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7887         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7888         (Scan::global): Likewise.
7889         (Relocate::relocate): Likewise.
7890         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7891
7892 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7893
7894         * arm.cc (Arm_relocate_functions::got_prel) New function.
7895         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7896         (Relocate::relocate): Likewise.
7897         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7898
7899 2009-10-06  Ian Lance Taylor  <iant@google.com>
7900
7901         * options.h (class General_options): Define
7902         split_stack_adjust_size parameter.
7903         * object.h (class Object): Add uses_split_stack_ and
7904         has_no_split_stack_ fields.  Add uses_split_stack and
7905         has_no_split_stack accessor functions.  Declare
7906         handle_split_stack_section.
7907         (class Reloc_symbol_changes): Define.
7908         (class Sized_relobj): Define Function_offsets.  Declare
7909         split_stack_adjust, split_stack_adjust_reltype, and
7910         find_functions.
7911         * object.cc (Object::handle_split_stack_section): New function.
7912         (Sized_relobj::do_layout): Call handle_split_stack_section.
7913         * dynobj.cc (Sized_dynobj::do_layout): Call
7914         handle_split_stack_section.
7915         * reloc.cc (Sized_relobj::relocate_sections): Call
7916         split_stack_adjust for executable sections in split_stack
7917         objects.  Pass reloc_map to relocate_section.
7918         (Sized_relobj::split_stack_adjust): New function.
7919         (Sized_relobj::split_stack_adjust_reltype): New function.
7920         (Sized_relobj::find_functions): New function.
7921         * target-reloc.h: Include "object.h".
7922         (relocate_section): Add reloc_symbol_changes parameter.  Change
7923         all callers.
7924         * target.h (class Target): Add calls_non_split method.  Declare
7925         do_calls_non_split virtual method.  Declare match_view and
7926         set_view_to_nop.
7927         * target.cc: Include "elfcpp.h".
7928         (Target::do_calls_non_split): New function.
7929         (Target::match_view): New function.
7930         (Target::set_view_to_nop): New function.
7931         * gold.cc (queue_middle_tasks): Give an error if mixing
7932         split-stack and non-split-stack objects with -r.
7933         * i386.cc (Target_i386::relocate_section): Add
7934         reloc_symbol_changes parameter.
7935         (Target_i386::do_calls_non_split): New function.
7936         * x86_64.cc (Target_x86_64::relocate_section): Add
7937         reloc_symbol_changes parameter.
7938         (Target_x86_64::do_calls_non_split): New function.
7939         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7940         parameter.
7941         * powerpc.cc (Target_powerpc::relocate_section): Add
7942         reloc_symbol_changes parameter.
7943         * sparc.cc (Target_sparc::relocate_section): Add
7944         reloc_symbol_changes parameter.
7945         * configure.ac: Call AM_CONDITIONAL for the default target.
7946         * configure: Rebuild.
7947         * testsuite/Makefile.am (TEST_AS): New variable.
7948         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7949         (check_DATA): Add split_i386 and split_x86_64 files.
7950         (SPLIT_DEFSYMS): Define.
7951         (split_i386_[1234n].o): New targets.
7952         (split_i386_[124]): New targets.
7953         (split_i386_[1234r].stdout): New targets.
7954         (split_x86_64_[1234n].o): New targets.
7955         (split_x86_64_[124]): New targets.
7956         (split_x86_64_[1234r].stdout): New targets.
7957         (MOSTLYCLEANFILES): Add new executables.
7958         * testsuite/split_i386.sh: New file.
7959         * testsuite/split_x86_64.sh: New file.
7960         * testsuite/split_i386_1.s: New file.
7961         * testsuite/split_i386_2.s: New file.
7962         * testsuite/split_i386_3.s: New file.
7963         * testsuite/split_i386_4.s: New file.
7964         * testsuite/split_i386_n.s: New file.
7965         * testsuite/split_x86_64_1.s: New file.
7966         * testsuite/split_x86_64_2.s: New file.
7967         * testsuite/split_x86_64_3.s: New file.
7968         * testsuite/split_x86_64_4.s: New file.
7969         * testsuite/split_x86_64_n.s: New file.
7970         * testsuite/testfile.cc (Target_test): Update relocation_section
7971         function.
7972         * testsuite/Makefile.in: Rebuild.
7973
7974 2009-10-06  Ian Lance Taylor  <iant@google.com>
7975
7976         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7977         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7978         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7979         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7980         the address on ldo_addrs_.
7981         (Target_i386::Relocate::fix_up_ldo): New function.
7982
7983 2009-10-06   Rafael Espindola  <espindola@google.com>
7984
7985         * plugin.cc (add_input_library): New.
7986         (Plugin::load): Add add_input_library to tv.
7987         (Plugin_manager::add_input_file): Add the is_lib argument.
7988         (add_input_file): Update call to Plugin_manager::add_input_file.
7989         (add_input_library): New.
7990         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7991
7992 2009-09-30  Doug Kwan  <dougkwan@google.com>
7993
7994         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7995         symbol and call Symbol::may_need_copy_reloc to determine if
7996         a copy reloc is needed.
7997         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7998         nocopyreloc is given in command line.
7999         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8000         given in command line.
8001         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8002         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8003         of the removed Target_i386::may_need_copy_reloc.
8004         * options.h (copyreloc): New option with default value false.
8005         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8006         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8007         instead of the removed Target_powerpc::may_need_copy_reloc.
8008         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8009         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8010         instead of the removed Target_sparc::may_need_copy_reloc.
8011         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8012         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8013         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8014         instead of the removed Target_x86_64::may_need_copy_reloc.
8015
8016 2009-09-30  Ian Lance Taylor  <iant@google.com>
8017
8018         * object.h (class Object): Remove target_ field, and target,
8019         sized_target, and set_target methods.
8020         (Object::sized_target): Remove.
8021         (class Sized_relobj): Update declarations.  Remove sized_target.
8022         * object.cc (Sized_relobj::setup): Remove target parameter.
8023         Change all callers.
8024         (Input_objects::add_object): Don't do anything with the target.
8025         (make_elf_sized_object): Add punconfigured parameter.  Change all
8026         callers.  Set or test parameter target.
8027         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8028         Change all callers.
8029         * parameters.cc (Parameters::set_target): Change parameter type to
8030         be non-const.
8031         (Parameters::default_target): Remove.
8032         (set_parameters_target): Change parameter type to be non-const.
8033         (parameters_force_valid_target): New function.
8034         (parameters_clear_target): New function.
8035         * parameters.h (class Parameters): Update declarations.  Remove
8036         default_target method.  Add sized_target and clear_target
8037         methods.  Change target_ to be non-const.
8038         (set_parameters_target): Update declaration.
8039         (parameters_force_valid_target): Declare.
8040         (parameters_clear_target): Declare.
8041         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8042         as NULL if we aren't searching.
8043         (Add_symbols::run): Don't check for compatible target.
8044         * fileread.cc (Input_file::open_binary): Call
8045         parameters_force_valid_target.
8046         * gold.cc (queue_middle_tasks): Likewise.
8047         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8048         set_target on object.
8049         * dynobj.h (class Sized_dynobj): Update declarations.
8050         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8051         make_elf_object returns NULL.
8052         (Archive::include_member): Don't check whether object target is
8053         compatible.
8054         * output.cc (Output_section::add_input_section): Get target from
8055         parameters.
8056         (Output_section::relax_input_section): Likewise.
8057         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8058         parameters.
8059         (Sized_relobj::do_scan_relocs): Likewise.
8060         (Sized_relobj::relocate_sections): Likewise.
8061         * resolve.cc (Symbol_table::resolve): Likewise.
8062         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8063         parameter.  Change all callers.
8064         (Symbol_table::add_from_object): Get target from parameters.
8065         (Symbol_table::add_from_relobj): Don't check object target.
8066         (Symbol_table::add_from_dynobj): Likewise.
8067         (Symbol_table::define_special_symbol): Get target from
8068         parameters.
8069         * symtab.h (class Symbol_table): Update declaration.
8070         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8071         parameter.  Change all callers.  Clear parameter target.
8072         (Binary_test): Test target here.
8073         * testsuite/object_unittest.cc (gold_testsuite): Remove
8074         target_test_pointer parameter.  Change all callers.
8075         (Object_test): Test target here.
8076
8077 2009-09-26  Ian Lance Taylor  <iant@google.com>
8078
8079         * testsuite/initpri1.c: Don't try to use constructor priorities if
8080         compiling with gcc before 4.3.
8081
8082 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8083
8084         * testsuite/retain_symbols_file_test.sh (check_present): Change
8085         output file name to retain_symbols_file_test.stdout.
8086         (check_absent): Likewise.
8087
8088 2009-09-18  Craig Silverstein  <csilvers@google.com>
8089
8090         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8091         * options.cc: Include <cerrno> and <fstream>.
8092         (General_options::finalize): Parse -retain-symbols-file tag.
8093         * options.h: New flag.
8094         (General_options): New method should_retain_symbol, new
8095         variable symbols_to_retain.
8096         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8097         should_retain_symbol map.
8098         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8099         * testsuite/Makefile.in: Regenerate.
8100         * testsuite/retain_symbols_file_test.sh: New file.
8101
8102 2009-09-18  Nick Clifton  <nickc@redhat.com>
8103
8104         * po/es.po: Updated Spanish translation.
8105
8106 2009-09-17  Doug Kwan  <dougkwan@google.com>
8107
8108         * debug.h (DEBUG_RELAXATION): New constant.
8109         (DEBUG_ALL): Add DEBUG_RELAXATION.
8110         (debug_string_to_enum): Add relaxation debug option.
8111         * layout.cc
8112         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8113         Layout::Relaxation_debug_check::read_sections,
8114         Layout::Relaxation_debug_check::read_sections): New method definitions.
8115         (Layout::Layout): Initialize data members
8116         record_output_section_data_from_scrips_,
8117         script_output_section_data_list_ and relaxation_debug_check_.
8118         (Layout::save_segments, Layout::restore_segments,
8119         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8120         Layout::relaxation_loop_body): New method definitions.
8121         (Layout::finalize): Support relaxation.  Move section layout code to
8122         Layout::relaxation_loop_body.
8123         (Layout::set_asection_address_from_script): Move code for orphan
8124         section placement out.
8125         (Layout::place_orphan_sections_in_script): New method definition.
8126         * layout.h (Output_segment_headers, Output_file_header):
8127         New forward class declarations.
8128         (Layout::~Layout): Define.
8129         (Layout::new_output_section_data_from_script): New method definition.
8130         (Layout::place_orphan_sections_in_script): New method declaration.
8131         (Layout::Segment_states): New type declaration.
8132         (Layout::save_segments, Layout::restore_segments,
8133         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8134         Layout::relaxation_loop_body): New method declarations.
8135         (Layout::Output_section_data_list): New type declaration.
8136         (Layout::Relaxation_debug_check): New class definition.
8137         (Layout::record_output_section_data_from_script_,
8138         Layout::script_output_section_data_list_, Layout::segment_states_,
8139         Layout::relaxation_debug_check_): New data members.
8140         * output.cc: (Output_section_headers::do_size): New method definition.
8141         (Output_section_headers::Output_section_headers): Move size
8142         computation to Output_section_headers::do_size.
8143         (Output_segment_headers::do_size): New method definition.
8144         (Output_file_header::Output_file_header): Move size computation to
8145         Output_file_header::do_size and call it.
8146         (Output_file_header::do_size): New method definition.
8147         (Output_data_group::Output_data_group): Adjust call to
8148         Output_section_data.
8149         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8150         (Output_symtab_xindex::do_write): Add array bound check.
8151         (Output_section::Input_section::print_to_mapfile): Handle
8152         RELAXED_INPUT_SECTION_CODE.
8153         (Output_section::Output_section): Initialize data member checkpoint_.
8154         (Output_section::~Output_section): Delete checkpoint object pointed
8155         by checkpoint_.
8156         (Output_section::add_input_section): Always add an Input_section if
8157         relaxing.
8158         (Output_section::add_merge_input_section): Add assert.
8159         (Output_section::relax_input_section): New method definition.
8160         (Output_section::set_final_data_size): Set load address to zero for
8161         an unallocated section.
8162         (Output_section::do_address_and_file_offset_have_reset_values):
8163         New method definition.
8164         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8165         Handle relaxed input section.
8166         (Output_section::sort_attached_input_sections): Checkpoint input
8167         section list lazily.
8168         (Output_section::get_input_sections): Change type of input_sections to
8169         list of Simple_input_section pointers.  Checkpoint input section list
8170         lazily.  Also handle relaxed input sections.
8171         (Output_section::add_input_section_for_script): Take a reference to
8172         a Simple_input_section object instead of Relobj pointer and section
8173         index as parameter.  Handle relaxed input sections.
8174         (Output_section::save_states, Output_section::restore_states): New
8175         method definitions.
8176         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8177         (Output_data::is_data_size_fixed): New method definition.
8178         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8179         if it is fixed.
8180         (Output_data::address_and_file_offset_have_reset_values): New method
8181         definition.
8182         (Output_data::do_address_and_file_offset_have_reset_values): New method
8183         definition.
8184         (Output_data::set_data_size): Check that data size is not fixed.
8185         (Output_data::fix_data_size): New method definition.
8186         (Output_data::is_data_size_fixed_): New data member.
8187         (Output_section_headers::set_final_data_size): New method definition.
8188         (Output_section_headers::do_size): New method declaration.
8189         (Output_segment_headers::set_final_data_size): New method definition.
8190         (Output_segment_headers::do_size): New method declaration.
8191         (Output_file_header::set_final_data_size)::New method definition.
8192         (Output_file_header::do_size)::New method declaration.
8193         (Output_section_data::Output_section_data): Add new parameter
8194         is_data_size_fixed and use it to fix data size.
8195         (Output_data_const::Output_data_const): Adjust call to base class
8196         constructor and fix data size.
8197         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8198         base class constructor and fix data size.
8199         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8200         base class constructor and fix data size.
8201         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8202         class constructor and fix data size.
8203         (Output_data_group::set_final_data_size): New method definition.
8204         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8205         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8206         class constructor and fix data size.
8207         (Output_relaxed_input_section): New class definition.
8208         (Output_section::Simple_input_section): New class definition.
8209         (Output_section::get_input_sections): Adjust parameter list.
8210         (Output_section::add_input_section_for_script): Same.
8211         (Output_section::save_states, Output_section::restore_states,
8212         Output_section::do_address_and_file_offset_have_reset_values,
8213         (Output_section::Input_section::Input_section): Handle
8214         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8215         Output_relaxed_input_section.
8216         (Output_section::Input_section::is_input_section,
8217         Output_section::Input_section::set_output_section): Handle relaxed
8218         input section.
8219         (Output_section::Input_section::is_relaxed_input_section,
8220         Output_section::Input_section::output_section_data,
8221         Output_section::Input_section::relaxed_input_section): New method
8222         definitions.
8223         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8224         value.
8225         (Output_section::Input_section::u1_): Update comments.
8226         (Output_section::Input_section::u2_): Add new union member poris.
8227         (Output_section::Checkpoint_output_section): New classs definition.
8228         (Output_section::relax_input_section): New method declaration.
8229         (Output_section::checkpoint_): New data member.
8230         (Output_segment): Update comments.
8231         (Output_segment::Output_segment): Un-privatize copy constructor.
8232         (Output_segment::operator=): Un-privatize.
8233         * script-sections.cc (Output_section_element::Input_section_list):
8234         Change element type to Output_section::Simple_input_section.
8235         (Output_section_element_dot_assignment::set_section_addresses):
8236         Register output section data for relaxation clean up.
8237         (Output_data_exression::Output_data_expression): Adjust call to base
8238         constructor to fix data size.
8239         (Output_section_element_data::set_section_addresses): Register
8240         Output_data_expression object for relaxation clean up.
8241         (struct Input_section_info): Replace Relobj pointer and section index
8242         pair with Output_section::Simple_input_section and Convert struct to a
8243         class.
8244         (Input_section_sorter::operator()): Adjust access to
8245         Input_section_info data member to use accessors.
8246         (Output_section_element_input::set_section_addresses): Use layout
8247         parameter.  Adjust code to use Output_section::Simple_input_section
8248         and Input_secction_info classes.  Register filler for relaxation
8249         clean up.
8250         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8251         and section index pair with Output_section::Simple_input_section
8252         class.  Adjust code accordingly.
8253         (Phdrs_element::release_segment): New method definition.
8254         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8255         segment list.
8256         (Script_sections::release_segments): New method definition.
8257         * gold/script-sections.h (Script_sections::release_segments): New
8258         method declaration.
8259         * gold/target.h (Target::may_relax, Target::relax,
8260         Target::do_may_relax, Target::do_relax): New method definitions.
8261
8262 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8263
8264         * arm.cc (has_signed_unsigned_overflow): New function.
8265         (Arm_relocate_functions::abs8): New function.
8266         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8267         (Target_arm::Scan::global): Likewise.
8268         (Target_arm::relocate::relocate): Likewise.
8269         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8270         Likewise.
8271
8272 2009-09-16  Cary Coutant  <ccoutant@google.com>
8273
8274         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8275         * testsuite/Makefile.in: Regenerate.
8276
8277 2009-09-11  Nick Clifton  <nickc@redhat.com>
8278
8279         * po/gold.pot: Updated by the Translation project.
8280
8281 2009-09-08  Cary Coutant  <ccoutant@google.com>
8282
8283         * output.cc (Output_file::open): Add execute permission to empty file.
8284         * testsuite/Makefile.am (permission_test): New test.
8285         * testsuite/Makefile.in: Regenerate.
8286
8287 2009-09-02  Ian Lance Taylor  <iant@google.com>
8288
8289         * output.cc (Output_file::resize): Call map_no_anonymous rather
8290         than map.
8291
8292 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8293
8294         * gold.cc: Include "incremental.h".
8295         (queue_initial_tasks): Call Incremental_checker methods.
8296         * incremental.cc: Include "output.h".
8297         (Incremental_checker::can_incrementally_link_output_file): New
8298         method.
8299         * incremental.h (Incremental_checker): New class.
8300
8301         * output.cc (Output_file::open_for_modification): New method.
8302         (Output_file::map_anonymous): Changed return type to bool.  Record
8303         map in base_ field.
8304         (Output_file::map_no_anonymous): New method, broken out of map.
8305         (Output_file::map): Use map_no_anonymous and map_anonymous.
8306         * output.h (class Output_file): Update declarations.
8307
8308 2009-08-24  Cary Coutant  <ccoutant@google.com>
8309
8310         * options.h (Command_line::Pre_options): New class.
8311         (Command_line::pre_options): New member.
8312         * options.cc (gold::options::ready_to_register): New variable.
8313         (One_option::register_option): Do nothing if not registering options.
8314         Assert if same short option registered twice.
8315         (General_options::General_options): Turn off option registration when
8316         done constructing.
8317         (Command_line::Pre_options::Pre_options): New constructor.
8318
8319 2009-08-24  Cary Coutant  <ccoutant@google.com>
8320
8321         * options.h (General_options::no_keep_memory): Remove incorrect
8322         short option.
8323
8324 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8325
8326         * Makefile.am (am__skiplex, am__skipyacc): New.
8327         * Makefile.in: Regenerate.
8328
8329 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8330
8331         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8332         (INCLUDES): ... this.
8333         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8334         (AM_CPPFLAGS): Renamed from ...
8335         (INCLUDE): ... this.
8336         * Makefile.in, testsuite/Makefile.in: Regenerate.
8337
8338         * Makefile.in: Regenerate.
8339         * aclocal.m4: Likewise.
8340         * config.in: Likewise.
8341         * configure: Likewise.
8342         * testsuite/Makefile.in: Likewise.
8343
8344         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8345         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8346         * Makefile.in: Regenerate.
8347         * testsuite/Makefile.in: Regenerate.
8348
8349 2009-08-19  Cary Coutant  <ccoutant@google.com>
8350
8351         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8352         symbols in shared libraries overridden by hidden or internal symbols
8353         in the main program.
8354
8355 2009-08-19  Chris Demetriou  <cgd@google.com>
8356
8357         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8358         checking source file names in error messages.
8359
8360 2009-08-18  Doug Kwan  <dougkwan@google.com>
8361
8362         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8363         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8364         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8365         an elfcpp::Ehdr as parameter.
8366         * object.cc (Object::set_target): Remove the version that looks up
8367         a target and sets it.
8368         (Sized_relobj::setup): Take a Target object instead of
8369         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8370         (make_elf_sized_object): Find target and ask target to
8371         make an ELF object.
8372         * object.h: (Object::set_target): Remove the version that looks up
8373         a target and sets it.
8374         (Sized_relobj::setup): Take a Target object instead of
8375         an elfcpp:Ehdr as parameter.
8376         * target.cc: Include dynobj.h.
8377         (Target::do_make_elf_object_implementation): New.
8378         (Target::do_make_elf_object): New.
8379         * target.h (Target::make_elf_object): New template declaration.
8380         (Target::do_make_elf_object): New method declarations.
8381         (Target::do_make_elf_object_implementation): New template declaration.
8382
8383 2009-08-14  Ian Lance Taylor  <iant@google.com>
8384
8385         * gold.h (FUNCTION_NAME): Define.
8386         (gold_unreachable): Use FUNCTION_NAME.
8387
8388 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8389
8390         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8391         symbol in the --keep-unique list is not found.
8392
8393 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8394
8395         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8396         been maked as --keep-unique.
8397         (Icf::unfold_section): New function.
8398         * icf.h (Icf::unfold_section): New function.
8399         * options.h (General_options::keep_unique): New option.
8400         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8401         * testsuite/Makefile.in: Regenerate.
8402         * testsuite/icf_keep_unique_test.sh: New file.
8403         * testsuite/icf_keep_unique_test.cc: New file.
8404
8405 2009-08-12  Cary Coutant  <ccoutant@google.com>
8406
8407         PR 10471
8408         * resolve.cc (Symbol_table::resolve): Check for references from
8409         dynamic objects to hidden and internal symbols.
8410         * testsuite/Makefile.am (hidden_test.sh): New test.
8411         * testsuite/Makefile.in: Regenerate.
8412         * testsuite/hidden_test.sh: New script.
8413         * testsuite/hidden_test_1.c: New test source.
8414         * testsuite/hidden_test_main.c: New test source.
8415
8416 2009-08-11  Doug Kwan  <dougkwan@google.com>
8417
8418         * arm.cc: Update comments.
8419         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8420         segment to locate the .ARM.exidx section if present.
8421
8422 2009-08-09  Doug Kwan  <dougkwan@google.com>
8423
8424         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8425         patch.
8426
8427 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8428         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8429         compiler warnings.
8430
8431 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8432
8433         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8434         valid tls_segment only for non-debug-section relocations.
8435         * testsuite/Makefile.am: Add gc_tls_test.
8436         * testsuite/Makefile.in: Regenerate.
8437         * testsuite/gc_tls_test.cc: New file.
8438         * testsuite/gc_tls_test.sh: New file.
8439
8440 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8441
8442         * icf.cc: New file.
8443         * icf.h: New file.
8444         * Makefile.am (CCFILES): Add icf.cc.
8445         (HFILES): Add icf.h
8446         * Makefile.in: Regenerate.
8447         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8448         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8449         section, symbol and addend information for the relocs.
8450         * gold.cc (queue_middle_tasks): Call identical code folding.
8451         * gold.h: Add defines for multimap.
8452         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8453         to the call of finalize_local_symbols.
8454         * main.cc (main): Create object of class Icf.
8455         * object.cc (Sized_relobj::do_layout): Allow this function to be
8456         called twice during icf.
8457         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8458         to sections marked as identical by icf.
8459         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8460         when available.
8461         (Sized_relobj::do_section_entsize): New function.
8462         * object.h (Object::section_entsize): New function.
8463         (Object::do_section_entsize): New pure virtual function.
8464         (Relobj::finalize_local_symbols): Add new parameter.
8465         (Relobj::do_section_entsize): New function.
8466         * options.h (General_options::icf): New option.
8467         (General_options::icf_iterations): New option.
8468         (General_options::print_icf_sections): New option.
8469         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8470         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8471         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8472         icf.
8473         * symtab.cc (Symbol_table::is_section_folded): New function.
8474         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8475         to sections marked as identical by icf.
8476         * symtab.h (Symbol_table::set_icf): New function.
8477         (Symbol_table::icf): New function.
8478         (Symbol_table::is_section_folded): New function.
8479         (Symbol_table::icf_): New data member.
8480         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8481         * testsuite/Makefile.am: Add commands to build icf_test.
8482         * testsuite/Makefile.in: Regenerate.
8483         * testsuite/icf_test.sh: New file.
8484         * testsuite/icf_test.cc: New file.
8485
8486 2009-07-24  Chris Demetriou  <cgd@google.com>
8487
8488         * layout.cc (is_compressible_debug_section): Fix incorrect
8489         comment about compressed section names.
8490
8491 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8492
8493         PR 10419
8494         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8495
8496 2009-07-16  Ian Lance Taylor  <iant@google.com>
8497
8498         PR 10400
8499         * layout.h: #include <map>.
8500         (class Kept_section): Change from struct to class.  Add accessors
8501         and setters.  Add section size to Comdat_group mapping.  Change
8502         Comdat_group to std::map.  Add is_comdat_ field.  Add
8503         linkonce_size field in union.
8504         (class Layout): Update declaration of find_or_add_kept_section.
8505         Don't declare find_kept_object.
8506         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8507         parameter.  Add object, shndx, is_comdat, and is_group_name
8508         parameters.  Change all callers.  Adjust for new Kept_section.
8509         (Layout::find_kept_object): Remove.
8510         * object.cc (Sized_relobj::include_section_group): Update use of
8511         Kept_section.  Rename secnum to shndx.  Only record
8512         Kept_comdat_section if sections are the same size.
8513         (Sized_relobj::include_linkonce_section): Update use of
8514         Kept_section.  Only record Kept_comdat_section if sections are the
8515         same size.  Set size of linkonce section.
8516         (Sized_relobj::map_to_kept_section): Update call to
8517         get_kept_comdat_section.
8518         * object.h (class Sized_relobj): Rename fields in
8519         Kept_comdat_section to drop trailing underscores; change object
8520         field to Relobj*.  Change Kept_comdat_section_table to store
8521         struct rather than pointer.
8522         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8523         Add kept_object and kept_shndx parameters.  Change all callers.
8524         (Sized_relobj::get_kept_comdat_section): Change return type to
8525         bool.  Add kept_object and kept_shndx parameters.  Change all
8526         callers.
8527         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8528         Layout::find_or_add_kept_section.
8529
8530 2009-07-09  Ian Lance Taylor  <iant@google.com>
8531
8532         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8533         Reserve space in the hash table.
8534
8535 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8536
8537         * fileread.cc (File_read::get_mtime): New method.
8538         * fileread.h (Timespec): New structure.
8539         (File_read::get_mtime): New method.
8540         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8541         Renamed from timestamp_nsec.
8542         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8543         Elf_Xword.
8544         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8545         timestamp_nsec.
8546         (Incremental_inputs::report_archive): Save mtime; style fix.
8547         (Incremental_inputs::report_obejct): Save mtime; style fix.
8548         (Incremental_inputs::report_script): Save mtime; style fix.
8549         (Incremental_inputs::finalize_inputs): Style fix.
8550         (Incremental_inputs::finalize): Style fix.
8551         (Incremental_inputs::create_input_section_data): Store inputs
8552         mtime.
8553         * incremental.h (Incremental_inputs::report_script): Add mtime
8554         argument.
8555         (Incremental_inputs::Input_info::Input_info): Intialize only one
8556         union member.
8557         (Incremental_inputs::Input_info::archive): Move to nameless
8558         union.
8559         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8560         (Incremental_inputs::Input_info::script): Move to nameless union.
8561         (Incremental_inputs::mtime): New field.
8562         * script.cc (read_input_script): Pass file mtime to
8563         Incremental_input.
8564         * script.h (Script_info::inputs): Style fix.
8565
8566 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8567
8568         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8569         instead of 32.
8570
8571 2009-06-24  Ian Lance Taylor  <iant@google.com>
8572
8573         PR 10156
8574         * layout.cc (Layout::choose_output_section): If we find an
8575         existing section, update the flags.
8576         (Layout::create_notes): New function, broken out of
8577         Layout::finalize.
8578         (Layout::finalize): Don't create note sections.
8579         (Layout::create_note): Don't crash if linker script discards
8580         section.
8581         (Layout::create_gold_note): Likewise.
8582         (Layout::create_build_id): Likewise.  Don't set
8583         after_input_sections on the section.
8584         (Layout::create_executable_stack_info): Remove target parameter.
8585         Change caller.
8586         * layout.h (class Layout): Declare create_notes.  Update
8587         declaration of create_executable_stack_info.
8588         * gold.cc (queue_middle_tasks): Call create_notes.
8589         * output.cc (Output_section::update_flags_for_input_section): Move
8590         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8591         invalid.
8592         * output.h (Output_data::mark_address_invalid): New function.
8593         (class Output_section): Only declare, not define,
8594         update_flags_for_input_section.  Remove set_flags.
8595
8596 2009-06-24  Ian Lance Taylor  <iant@google.com>
8597
8598         * script-sections.cc (Output_section_definition::
8599         set_section_addresses): Rename shadowing local load_address to
8600         laddr.
8601
8602 2009-06-24  Ian Lance Taylor  <iant@google.com>
8603
8604         PR 10244
8605         * reloc.cc (relocate_sections): Skip empty relocation sections.
8606
8607 2009-06-23  Ian Lance Taylor  <iant@google.com>
8608
8609         PR 10156
8610         * layout.cc (Layout::create_note): Use choose_output_section
8611         rather than make_output_section.
8612
8613 2009-06-23  Ian Lance Taylor  <iant@google.com>
8614
8615         PR 10237
8616         * options.cc (General_options::parse_V): Set printed_version_.
8617         (General_options::General_options): Initialize printed_version_.
8618         * options.h (class General_options): Add printed_version_ field.
8619         * gold.cc (queue_initial_tasks): If there are no input files,
8620         don't give a fatal error if we printed the version information.
8621         (queue_middle_tasks): If using -r with a shared object, give a
8622         fatal error rather than an ordinary error.
8623
8624 2009-06-23  Ian Lance Taylor  <iant@google.com>
8625
8626         PR 10219
8627         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8628         (Layout::make_output_section): Set have_stabstr_section_ if we see
8629         a .stab*str section.
8630         (Layout::finalize): Call link_stabs_sections.
8631         (Layout::link_stabs_sections): New file.
8632         * layout.h (class Layout): Add have_stabstr_section_ field.
8633         Declare link_stabs_sections.
8634
8635 2009-06-23  Doug Kwan  <dougkwan@google.com>
8636
8637         * Makefile.am (libgold_a_LIBADD): New.
8638         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8639         * Makefile.in: Regenerate.
8640         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8641         * configure: Regenerate.
8642         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8643         * fileread.cc: Include sys/state.h
8644         * gold.h: Declare memmem and strndup if found missing.
8645         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8646
8647 2009-06-23  Ian Lance Taylor  <iant@google.com>
8648
8649         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8650         * configure: Rebuild.
8651
8652 2009-06-23  Ian Lance Taylor  <iant@google.com>
8653
8654         PR 10147
8655         * object.cc (Object::section_contents): Don't try to get a view if
8656         the section has length zero.
8657         (Object::handle_gnu_warning_section): If the section is empty, use
8658         the name of the section as the warning.
8659
8660 2009-06-23  Ian Lance Taylor  <iant@google.com>
8661
8662         PR 10133
8663         * stringpool.h (class Stringpool_template): Add optimize_ field.
8664         (Stringpool_template::set_optimize): New function.
8665         * stringpool.cc (Stringpool_template::Stringpool_template):
8666         Initialize optimize_ field.
8667         (Stringpool_template::set_string_offsets): Test local optimize
8668         fild rather than parameter.
8669         * layout.cc (Layout::Layout): Call set_optimize on the section
8670         name stringpool.
8671
8672 2009-06-22  Ian Lance Taylor  <iant@google.com>
8673
8674         PR 10030
8675         * yyscript.y: Parse TARGET.
8676         * script.cc (script_set_target): New function.
8677         * script-c.h (script_set_target): Declare.
8678         * options.cc (General_options::string_to_object_format): Rename
8679         from string_to_object_format in anonymous namespace.  Change
8680         callers.
8681         * options.h (class General_options): Declare
8682         string_to_object_format.
8683
8684 2009-06-22  Ian Lance Taylor  <iant@google.com>
8685
8686         * script-sections.cc (Script_sections::create_segments): Don't put
8687         program headers in a PT_LOAD segment if -n or -N.
8688
8689 2009-06-22  Ian Lance Taylor  <iant@google.com>
8690
8691         PR 10141
8692         * options.h (class General_options): Add -z lazy and -z now.  Sort
8693         -z options into alphabetical order.
8694         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8695
8696 2009-06-21  Ian Lance Taylor  <iant@google.com>
8697
8698         * layout.cc (Layout::make_output_section): Call
8699         Target::new_output_section.
8700         (Layout::attach_allocated_section_to_segment): Put large section
8701         sections in a separate load segment with the large segment flag
8702         set.
8703         (Layout::segment_precedes): Sort large data segments after other
8704         load segments.
8705         (align_file_offset): New static function.
8706         (Layout::set_segment_offsets): Use align_file_offset.
8707         * output.h (class Output_section): Add is_small_section_ and
8708         is_large_section_ fields.
8709         (Output_section::is_small_section): New function.
8710         (Output_section::set_is_small_section):  New function.
8711         (Output_section::is_large_section): New function.
8712         (Output_section::set_is_large_section): New function.
8713         (Output_section::is_large_data_section): New function.
8714         (class Output_segment): Add is_large_data_segment_ field.
8715         (Output_segment::is_large_data_segment): New function.
8716         (Output_segment::set_is_large_data_segment): New function.
8717         * output.cc (Output_section::Output_section): Initialize new
8718         fields.
8719         (Output_segment::Output_segment): Likewise.
8720         (Output_segment::add_output_section): Add assertion that large
8721         data sections always go in large data segments.  Force small data
8722         sections to the end of the list of data sections.  Force small BSS
8723         sections to the start of the list of BSS sections.  For large BSS
8724         sections to the end of the list of BSS sections.
8725         * symtab.h (class Symbol): Declare is_common_shndx.
8726         (Symbol::is_defined): Check Symbol::is_common_shndx.
8727         (Symbol::is_common): Likewise.
8728         (class Symbol_table): Define enum Commons_section_type.  Update
8729         declarations.  Add small_commons_ and large_commons_ fields.
8730         * symtab.cc (Symbol::is_common_shndx): New function.
8731         (Symbol_table::Symbol_table): Initialize new fields.
8732         (Symbol_table::add_from_object): Put small and large common
8733         symbols in the right list.
8734         (Symbol_table::sized_finalized_symbol): Check
8735         Symbol::is_common_shndx.
8736         (Symbol_table::sized_write_globals): Likewise.
8737         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8738         common symbol lists.  Don't call do_allocate_commons_list if the
8739         list is empty.
8740         (Symbol_table::do_allocate_commons_list): Remove is_tls
8741         parameter.  Add comons_section_type parameter.  Change all
8742         callers.  Handle small and large common symbols.
8743         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8744         Symbol::is_common_shndx.
8745         * resolve.cc (symbol_to_bits): Likewise.
8746         * target.h (Target::small_common_shndx): New function.
8747         (Target::small_common_section_flags): New function.
8748         (Target::large_common_shndx): New function.
8749         (Target::large_common_section_flags): New function.
8750         (Target::new_output_section): New function.
8751         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8752         small_common_section_flags, and large_common_section_flags
8753         fields.
8754         (Target::do_new_output_section): New virtual function.
8755         * arm.cc (Target_arm::arm_info): Initialize new fields.
8756         * i386.cc (Target_i386::i386_info): Likewise.
8757         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8758         Likewise.
8759         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8760         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8761         (Target_x86_64::do_new_output_section): New function.
8762         * configure.ac: Define conditional MCMODEL_MEDIUM.
8763         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8764         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8765         (large_LDFLAGS): Define.
8766         * testsuite/large.c: New file.
8767         * testsuite/testfile.cc (Target_test::test_target_info):
8768         Initialize new fields.
8769         * configure, testsuite/Makefile.in: Rebuild.
8770
8771 2009-06-05  Doug Kwan  <dougkwan@google.com>
8772
8773         * Makefile.am (CCFILES): Add target.cc.
8774         * Makefile.in: Regenerate.
8775         * i386.cc (class Target_i386): Define new virtual method to
8776         override do_is_local_label_name in parent.
8777         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8778         local symbols if --discard-locals or -X is given.
8779         * options.h (class General_options): Declare new options
8780         '--discard-locals' and '-X' for discarding locals.
8781         * target.h (class Target): Define new methods is_local_label_name.
8782         Declare new virtual method do_is_local_label_name.
8783         * target.cc: New file.
8784         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8785         (check_SCRIPTS): Add discard_locals_test.sh.
8786         (check_DATA): Add discard_local_tests.syms.
8787         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8788         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8789         * testsuite/Makefile.in: Regenerate.
8790         * testsuite/discard_locals_test.c: New file.
8791         * testsuite/discard_locals_test.sh: Same.
8792
8793 2009-06-05  Doug Kwan  <dougkwan@google.com>
8794
8795         * object.cc (Sized_relobj::Sized_relobj): Initialize
8796         discarded_eh_frame_shndx_ to -1U.
8797         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8798         section.
8799         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8800         a discarded .eh_frame section.
8801         (Sized_relobj::do_finalize_local_symbols): Ditto.
8802         * object.h (class Sized_relobj): Declare new member
8803         discarded_eh_frame_shndx_.
8804         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8805         (local_labels_test.o, local_labels_test): New rules.
8806         * testsuite/Makefile.in: Regenerate.
8807
8808 2009-06-04  Doug Kwan  <dougkwan@google.com>
8809
8810         * layout.cc (Layout::section_name_mapping): Add mapping for
8811         special ARM sections.
8812
8813 2009-06-03  Doug Kwan  <dougkwan@google.com>
8814
8815         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8816         (utils::has_overflow): Same.
8817
8818 2009-06-03  Ian Lance Taylor  <iant@google.com>
8819
8820         * layout.cc (Layout::section_name_mapping): New array, replacing
8821         Layout::linkonce_mapping.
8822         (Layout::section_name_mapping_count): New variable, replacing
8823         Layout::linkonce_mapping_count.
8824         (Layout::linkonce_output_name): Remove.
8825         (Layout::output_section_name): Rewrite.
8826         * layout.h (class Layout): Rename Linkonce_mapping to
8827         Section_name_mapping, linkonce_mapping to section_name_mapping,
8828         linkonce_mapping_count to section_name_mapping_count.  Don't
8829         declare linkonce_output_name.
8830
8831 2009-06-03  Doug Kwan  <dougkwan@google.com>
8832
8833         * gold/arm.cc (namespace utils): New.
8834         (Target_arm::reloc_is_non_pic): Define new method.
8835         (class Arm_relocate_functions): New.
8836         (Target_arm::Relocate::relocate): Handle relocation types used by
8837         Android.
8838
8839 2009-06-03  Ian Lance Taylor  <iant@google.com>
8840
8841         * arm.cc (Target_arm::scan::global): Use || instead of |.
8842
8843 2009-06-02  Doug Kwan  <dougkwan@google.com>
8844
8845         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8846         issued_non_pic_error_.
8847         (class Target_arm::Scan): Declare new method check_non_pic.
8848         Define new method symbol_needs_plt_entry.
8849         Declare new data member issued_non_pic_error_.
8850         (class Target_arm::Relocate): Declare new method
8851         should_apply_static_reloc.
8852         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8853         (Target_arm::Scan::check_non_pic): Define new method.
8854         (Target_arm::Scan::local): Handle a small subset of reloc types used
8855         by Android.
8856         (Target_arm::Scan::local): Same.
8857         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8858
8859 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8860
8861         * incremental.cc (Incremental_inputs::report_command_line): Filter
8862         out --incremental-* options.
8863
8864 2009-05-29  Doug Kwan  <dougkwan@google.com>
8865
8866         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8867         template class.
8868         (class Target_arm): Update comment.
8869         (Target_arm::Target_arm): Initialize new data members GOT_,
8870         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8871         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8872         and Target_arm::rel_dyn_section.
8873         Declare new_enum Target_arm::Got_type.
8874         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8875         and DYNBSS_.
8876         Update commments for member do_dynsym_value.
8877         (Target_arm::got_size, Target_arm::plt_section,
8878         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8879         new methods inside class defintion.
8880         (Target_arm::got_section): Define new method.
8881         (Target_arm::rel_dyn_section): Same.
8882         (Output_data_plt_arm): New template class.
8883         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8884         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8885         (Output_data_plt_arm::add_entry): Same.
8886         (Output_data_plt_arm::first_plt_entry): Define new
8887         static data member for PLT instruction template.
8888         (Output_data_plt_arm::plt_entry): Same.
8889         (Output_data_plt_arm::do_write): Define new method.
8890         (Target_arm::make_plt_entry): Same.
8891         (Target_arm::do_finalize_sections): Same.
8892         (Target_arm::do_dynsym_value): Same.
8893
8894 2009-05-28  Doug Kwan  <dougkwan@google.com>
8895
8896         * Makefile.am (TARGETSOURCES): Add arm.cc.
8897         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8898         * Makefile.in: Regenerate.
8899         * arm.cc: New file.
8900         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8901
8902 2009-05-26  Doug Kwan  <dougkwan@google.com>
8903
8904         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8905         (General_options::check_excluded_libs): Strip off directories in
8906         archive name before matching like GNU ld does.
8907         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8908         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8909         (exclude_libs_test_LDFLAGS): Add linker option
8910         -Wl,--exclude-libs,libexclude_libs_test_3
8911         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8912         an explicit archive without using -l.
8913         (alt/libexclude_libs_test_3.a): New make rule.
8914         * testsuite/Makefile.in: Regenerate.
8915         * testsuite/exclude_libs_test.c : Declare lib3_default().
8916         (main): Call it.
8917         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8918         * exclude_libs_test_3.c: New file.
8919
8920 2009-05-26  Nick Clifton  <nickc@redhat.com>
8921
8922         * po/id.po: New Indonesian translation.
8923         * po/gold.pot: Updated template file.
8924
8925 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8926
8927         * testsuite/Makefile.am: Add -ffunction-sections to compile
8928         gc_comdat_test files.  Add -Wl,--gc-sections to build
8929         gc_comdat_test.
8930         * testsuite/Makefile.in: Regenerate.
8931         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8932
8933 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8934
8935         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8936         kept comdat section was garbage collected.
8937         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8938         * testsuite/Makefile.in: Regenerate.
8939         * testsuite/gc_comdat_test.sh: New file.
8940         * testsuite/gc_comdat_test_1.cc: New file.
8941         * testsuite/gc_comdat_test_2.cc: New file.
8942
8943 2009-05-19  Doug Kwan  <dougkwan@google.com>
8944
8945         * archive.cc (Archive::Archive): Move constructor from archive.h
8946         to here.  Initialize no_export_.
8947         (Archive::get_elf_object_for_member): Set no_export flag of object.
8948         * archive.h (Archive::Archive): Move constructor body to
8949         archive.cc.
8950         (Archive::no_export): New method.
8951         (Archive::no_export_): New field.
8952         * object.h (Object::Object): Initialize no_export_ to false.
8953         (Object::no_export, Object::set_no_export): New methods.
8954         (Object::no_export_): New field.
8955         * options.cc (General_options::parse_exclude_libs): New method.
8956         (General_options::check_excluded_libs) Same.
8957         * options.h (exclude_libs): New option.
8958         (General_options::check_excluded_libs): New method declaration.
8959         (General_options::excluded_libs_): New field.
8960         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8961         default or protected visibility if an object has no-export flag set.
8962         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8963         (check_SCRIPTS): Add exclude_libs_test.sh.
8964         (check_DATA): Add exclude_libs_test.syms.
8965         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8966         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8967         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8968         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8969         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8970         libexclude_libs_test_2.a): New rules.
8971         * testsuite/Makefile.in: Regenerate.
8972         * testsuite/exclude_libs_test.c: New file.
8973         * testsuite/exclude_libs_test.sh: Ditto.
8974         * testsuite/exclude_libs_test_1.c: Ditto.
8975         * testsuite/exclude_libs_test_2.c: Ditto.
8976
8977 2009-05-15  Ian Lance Taylor  <iant@google.com>
8978
8979         * configure.ac: Check for declarations for cases where libiberty.h
8980         checks HAVE_DECL_xxx.
8981         * configure, config.in: Rebuild.
8982
8983 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8984
8985         * gold.h (Incremental_argument_list): Remove (invalid) forward
8986         declaration.
8987         * incremental.cc (Incremental_inputs::report_achive): New method.
8988         (Incremental_inputs::report_object): New method.
8989         (Incremental_inputs::report_script): New method.
8990         (Incremental_inputs::finalize_inputs): New method.
8991         (Incremental_inputs::finalize): Call finalize_inputs().
8992         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8993         Create inputs entries.
8994         * incremental.h (Incremental_input_type): New enum.
8995         (Incremental_inputs::Incremental_input): Initialize new fields.
8996         (Incremental_inputs::report_inputs): New method.
8997         (Incremental_inputs::report_achive): New method.
8998         (Incremental_inputs::report_object): New method.
8999         (Incremental_inputs::report_script): New method.
9000         (Incremental_inputs::finalize_inputs): New method.
9001         (Incremental_inputs::Input_info): New struct.
9002         (Incremental_inputs::Input_info_map): New typedef.
9003         (Incremental_inputs::lock_): New field.
9004         (Incremental_inputs::Inputs_): New field.
9005         (Incremental_inputs::Inputs_map): New field.
9006         * main.cc (main): Call Incremental_input::report_inputs.
9007         * options.h (Input_argument_list): Typedef moved from
9008         Input_arguments.
9009         (Input_file_group::Files): Remove, use ::Input_argument_list.
9010         (Input_file_group::Input_argument_list): Remove, use
9011         ::Input_argument_list.
9012         * plugin.cc (Plugin_manager::add_input_file): Add error in
9013         incremental build.
9014         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9015         functions.
9016         * script.cc (read_input_script): Call
9017         Incremental_input::report_script.
9018         * script.h (Script_info): New class.
9019
9020 2009-04-27  Ian Lance Taylor  <iant@google.com>
9021
9022         * x86_64.cc (do_adjust_output_section): Set entsize to
9023         plt_entry_size.
9024
9025 2009-04-23  Elliott Hughes  <enh@google.com>
9026
9027         * output.cc (Output_file::close): After short writes, continue
9028         writing from the correct offset in the buffer being written.
9029
9030 2009-04-23  Chris Demetriou  <cgd@google.com>
9031
9032         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9033         * configure: Regenerate.
9034         * config.in: Regenerate.
9035         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9036         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9037
9038 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9039
9040         * incremental.cc (Incremental_inputs_header_data): Renamed from
9041         Incremental_input_header_data.
9042         (Incremental_inputs_header_data::data_size): New field.
9043         (Incremental_inputs_header_data::put_input_file_count): Renamed
9044         from input_file_count.
9045         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9046         from command_line_offset.
9047         (Incremental_inputs_header_data::put_reserved): Renamed from
9048         put_reserved.
9049         (Incremental_inputs_entry_data): Renamed from
9050         Incremental_input_entry_data.
9051         (Incremental_inputs_entry_data::data_size): New field.
9052         (Incremental_inputs::report_command_line): New method.
9053         (Incremental_inputs::finalize): New method.
9054         (Incremental_inputs::create_incremental_inputs_data): New method.
9055         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9056         * incremental.h: New file.
9057         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9058        (Layout::finalize): Create incremental inputs section in
9059         incremental builds.
9060        (Layout::create_incremental_info_sections): New method.
9061         * layout.h (Layout::incremental_inputs): New method.
9062        (Layout::create_incremental_info_sections): New method.
9063        (Layout::incremental_inputs_): New field.
9064         * main.cc (main): Notify Incremental_input of the command line.
9065
9066 2009-04-01  Ian Lance Taylor  <iant@google.com>
9067             Mikolaj Zalewski  <mikolajz@google.com>
9068
9069         * gold.h (reserve_unordered_map): Define, three versions, one for
9070         each version of Unordered_map.
9071         * layout.cc (Layout::Layout): Remove options parameter.  Add
9072         number_of_input_files parameter.  Don't initialize options_.
9073         Initialize number_of_input_files_ and resized_signatures_.  Move
9074         sections_are_attached_.
9075         (Layout::layout_group): Reserve space for group_signatures_.
9076         (Layout::find_or_add_kept_section): Change name parameter to be a
9077         reference.  Resize signatures_ map when it gets large enough.
9078         (Layout::layout_eh_frame): Use parameters->options() instead of
9079         this->options_.
9080         (Layout::make_output_section): Likewise.
9081         (Layout::attach_allocated_section_to_segment): Likewise.
9082         (Layout::finalize, Layout::create_executable_stack): Likewise.
9083         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9084         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9085         * layout.h (class Layout): Update declarations.  Remove options_
9086         field.  Add number_of_input_files_ and resized_signatures_
9087         fields.  Move sections_are_attached_ field.
9088         * main.cc (main): Pass number of input files to Layout
9089         constructor.  Don't pass options.
9090
9091 2009-03-30  Ian Lance Taylor  <iant@google.com>
9092
9093         * ffsll.c (ffsll): Correct implementation.
9094
9095 2009-03-27  Ian Lance Taylor  <iant@google.com>
9096
9097         * ffsll.c: New file.
9098         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9099         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9100         * ftruncate.c (ftruncate): Declare before definition.
9101         * mremap.c (mremap): Likewise.
9102         * pread.c (pread): Likewise.
9103         * configure, Makefile.in, config.in: Rebuild.
9104
9105         * mremap.c: New file.
9106         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9107         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9108         (mremap): Declare if HAVE_MREMAP is not defined.
9109         * configure, Makefile.in, config.in: Rebuild.
9110
9111 2009-03-27  Cary Coutant  <ccoutant@google.com>
9112
9113         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9114         position independent.
9115         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9116         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9117
9118 2009-03-24  Cary Coutant  <ccoutant@google.com>
9119
9120         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9121         an executable.
9122         (needs_dynamic_reloc): Likewise.
9123
9124 2009-03-24  Ian Lance Taylor  <iant@google.com>
9125
9126         * yyscript.y (file_cmd): Recognize EXTERN.
9127         (extern_name_list, extern_name_list_body): New nonterminals.
9128         * script.cc (script_add_extern): Define.
9129         * script-c.h (script_add_extern): Declare.
9130
9131 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9132
9133         * object.cc (is_elf_object): Define.
9134         * object.h (is_elf_object): Declare.
9135         * archive.cc (Archive::get_elf_object_for_member): Call
9136         is_elf_object.
9137         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9138
9139 2009-03-24  Elliott Hughes  <enh@google.com>
9140
9141         * output.cc (Output_file::map_anonymous): Define.
9142         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9143         try an anonymous one.  Report the size if the mmap fails.
9144         * output.h (class Output_file): Declare map_anonymous.
9145
9146 2009-03-24  Ian Lance Taylor  <iant@google.com>
9147
9148         * target-select.cc (instantiate_target): Don't acquire the lock if
9149         the instantiated_target_ field has already been set.
9150
9151 2009-03-23  Ian Lance Taylor  <iant@google.com>
9152
9153         * gold-threads.h (class Initialize_lock): Define.
9154         * gold-threads.cc (class Initialize_lock_once): Define.
9155         (initialize_lock_control): New static variable.
9156         (initialize_lock_pointer): New static variable.
9157         (initialize_lock_once): New static function.
9158         (Initialize_lock::Initialize_lock): Define.
9159         (Initialize_lock::initialize): Define.
9160         * target-select.h: Include "gold-threads.h".
9161         (class Target_selector): Add lock_ and initialize_lock_ fields.
9162         Don't define instantiate_target, just declare it.
9163         * target-select.cc (Target_selector::Target_selector): Initialize
9164         new fields.
9165         (Target_selector::instantiate_target): Define.
9166         * descriptors.h: Include "gold-threads.h".
9167         (class Descriptors): Add initialize_lock_ field.
9168         * descriptors.cc (Descriptors::Descriptors): Initialize new
9169         field.
9170         (Descriptors::open): Use initialize_lock_ field
9171         * errors.h (class Errors): Add initialize_lock_ field.
9172         * errors.cc (Errors::Errors): Initialize new field.
9173         (Errors::initialize_lock): Use initialize_lock_ field.
9174         * powerpc.cc (class Target_selector_powerpc): Remove
9175         instantiated_target_ field.  In do_recognize call
9176         instantiate_target rather than do_instantiate_target.  In
9177         do_instantiate_target just allocate a new target.
9178         * sparc.cc (class Target_selector_sparc): Likewise.
9179
9180         * freebsd.h: New file.
9181         * i386.cc: Include "freebsd.h".
9182         (Target_i386): Derive from Target_freebsd rather than
9183         Sized_target.
9184         (Target_selector_i386): Derive from Target_selector_freebsd rather
9185         than Target_selector.
9186         * x86_64.cc: Include "freebsd.h".
9187         (Target_x86_64): Derive from Target_freebsd rather than
9188         Sized_target.
9189         (Target_selector_x86_64): Derive from Target_selector_freebsd
9190         rather than Target_selector.
9191         * target.h (class Target): Add adjust_elf_header and
9192         do_adjust_elf_header.
9193         * output.cc (Output_file_header:: do_sized_write): Call target
9194         adjust_elf_header routine.
9195         * configure.tgt: Set targ_osabi.
9196         * configure.ac: Define GOLD_DEFAULT_OSABI.
9197         * parameters.cc (Parameters::default_target): Pass
9198         GOLD_DEFAULT_OSABI to select_target.
9199         * target-select.h (class Target_selector): Make instantiate_target
9200         protected rather than private.
9201         * Makefile.am (HFILES): Add freebsd.h.
9202         * configure, Makefile.in, config.in: Rebuild.
9203
9204         * merge.cc (do_add_input_section): Correct pend value.  Change
9205         message about last entry not being null terminated from error to
9206         warning.
9207
9208 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9209
9210         * incremental.cc: New file.
9211         * Makefile.am (CCFILES): Add incremental.cc.
9212         * Makefile.in: Rebuild.
9213
9214 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9215
9216         * layout.cc (Layout::output_section_name): Preserve names
9217         of '.note.' sections.
9218
9219 2009-03-19  Ian Lance Taylor  <iant@google.com>
9220
9221         * descriptors.cc (Descriptors::open): Check that the options are
9222         valid before using them.
9223
9224 2009-03-18  Ian Lance Taylor  <iant@google.com>
9225
9226         * script-sections.h: Include <list>.
9227         (class Script_sections): Change Sections_elements from std::vector
9228         to std::list.  Typedef public Elements_iterator.  Add
9229         orphan_section_placement_, data_segment_align_start_, and
9230         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9231         field.
9232         * script-sections.cc (class Orphan_section_placement): New class.
9233         (class Sections_element): Add virtual functions is_relro and
9234         orphan_section_init.  Remove virtual function place_orphan_here.
9235         (class Output_section_definition): Add is_relro and
9236         orphan_section_init.  Remove place_orphan_here.
9237         (class Orphan_output_section): Likewise.
9238         (Script_sections::Script_sections): Update for field changes.
9239         (Script_sections::data_segment_align): Set saw_data_segment_align_
9240         and data_segment_align_start_, not data_segment_align_index.
9241         (Script_sections::data_segment_relro_end): Check
9242         saw_data_segment_align_.  Use data_segment_align_start_ rather
9243         than data_segment_align_index_.
9244         (Script_sections::place_orphan): Rewrite to use
9245         Orphan_section_placement.
9246
9247 2009-03-17  Ian Lance Taylor  <iant@google.com>
9248
9249         * archive.cc (Archive::add_symbols): Check for a version attached
9250         to the symbol name in the archive map.
9251         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9252         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9253         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9254         (ver_test_11.a): New target.
9255         * testsuite/Makefile.in: Rebuild.
9256
9257         * configure.ac: Check for chsize and posix_fallocate.  Replace
9258         ftruncate.
9259         * ftruncate.c: New file, from gnulib.
9260         * output.cc (posix_fallocate): Define dummy version if not
9261         HAVE_POSIX_FALLOCATE.
9262         (Output_file::map): Call posix_fallocate rather than lseek and
9263         write.
9264         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9265         * configure, Makefile.in, config.in: Rebuild.
9266
9267 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9268
9269         * layout.h (Layout::create_note): Add section_name parameter.
9270         * layout.cc (Layout::create_note): Likewise.
9271         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9272
9273 2009-03-17  Ian Lance Taylor  <iant@google.com>
9274
9275         * descriptors.cc: Include "options.h".
9276         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9277         (Descriptors::open): Always use O_CLOEXEC when opening a new
9278         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9279         then set FD_CLOEXEC.
9280
9281         * sparc.cc (class Target_sparc): Add has_got_section.
9282         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9283         make sure we have a GOT section.
9284
9285         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9286         (Target_sparc::Scan::local): Likewise.
9287         (Target_sparc::Scan::global): Likewise.
9288         (Target_sparc::Relocate::relocate): Likewise.
9289         (Target_sparc::Relocate::relocate_tls): Likewise.
9290
9291         * symtab.cc (Symbol_table::define_default_version): New function,
9292         broken out of add_from_object.
9293         (Symbol_table::add_from_object): Call define_default_version.
9294         (Symbol_table::define_special_symbol): Add resolve_oldsym
9295         parameter.  Change all callers.  If the version for a symbol comes
9296         from a version script, resolve it with the symbol with the same
9297         name with no version.  Also add the symbol without a version if
9298         appropriate.
9299         (do_define_in_output_data): If resolving with oldsym, don't delete
9300         sym.
9301         (do_define_in_output_segment): Likewise.
9302         (do_define_as_constant): Likewise.
9303         * symtab.h (class Symbol_table): Update declarations.
9304
9305 2009-03-13  Ian Lance Taylor  <iant@google.com>
9306
9307         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9308         (Read_symbols::requeue): New function.
9309         (Read_symbols::do_read_symbols): If make_elf_object fails because
9310         the target type is not configured, and the file was searched for,
9311         issue a warning and retry with the next directory.
9312         (Add_symbols::run): If the file has an incompatible format, and
9313         it was searched for, requeue the Read_symbols task.  On error,
9314         release the object.
9315         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9316         dirindex parameter to constructor.  Change all callers.  Declare
9317         incompatible_warning and requeue.
9318         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9319         input_argument_ and input_group_ fields.  Add them to
9320         constructor.  Change all callers.
9321         (class Read_script): Add dirindex_ field.  Add it to constructor.
9322         Change all callers.
9323         * archive.cc (Archive::setup): Remove input_objects parameter.
9324         Change all callers.
9325         (Archive::get_file_and_offset): Likewise.
9326         (Archive::read_all_symbols): Likewise.
9327         (Archive::read_symbols): Likewise.
9328         (Archive::get_elf_object_for_member): Remove input_objects
9329         parameter.  Add punconfigured parameter.  Change all callers.
9330         (Archive::add_symbols): Change return type to bool.  Check return
9331         value of include_member.
9332         (Archive::include_all_members): Likewise.
9333         (Archive::include_member): Change return type to bool.  Return
9334         false if first included object has incompatible target.  Set
9335         included_member_ field.
9336         (Add_archive_symbols::run): If add_symbols returns false, requeue
9337         Read_symbols task.
9338         * archive.h (class Archive): Add included_member_ field.
9339         Initialize it in constructor.  Add input_file and searched_for
9340         methods.  Update declarations.
9341         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9342         input_argument_ fields.  Add them to constructor.  Change all
9343         callers.
9344         * script.cc: Include "target-select.h".
9345         (class Parser_closure): Add skip_on_incompatible_target_ and
9346         found_incompatible_target_ fields.  Add
9347         skip_on_incompatible_target parameter to constructor.  Change all
9348         callers.  Add methods skip_on_incompatible_target,
9349         clear_skip_on_incompatible_target, found_incompatible_target, and
9350         set_found_incompatible_target.
9351         (read_input_script): Add dirindex parameter.  Change all callers.
9352         If parser finds an incompatible target, requeue Read_symbols
9353         task.
9354         (script_set_symbol): Clear skip_on_incompatible_target in
9355         closure.
9356         (script_add_assertion, script_parse_option): Likewise.
9357         (script_start_sections, script_add_phdr): Likewise.
9358         (script_check_output_format): New function.
9359         * script.h (read_input_script): Update declaration.
9360         * script-c.h (script_check_output_format): Declare.
9361         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9362         (ignore_cmd): Remove OUTPUT_FORMAT.
9363         * fileread.cc (Input_file::Input_file): Add explicit this.
9364         (Input_file::will_search_for): New function.
9365         (Input_file::open): Add pindex parameter.  Change all callers.
9366         * fileread.h (class Input_file): Add input_file_argument method.
9367         Declare will_search_for.  Update declarations.
9368         * object.cc (make_elf_object): Add punconfigured parameter.
9369         Change all callers.
9370         * object.h (class Object): Make input_file public.  Add
9371         searched_for method.
9372         (make_elf_object): Update declaration.
9373         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9374         restart search.
9375         * dirsearch.h (class Dirsearch): Update declaration.
9376         * options.h (class General_options): Add --warn-search-mismatch.
9377         * parameters.cc (Parameters::is_compatible_target): New function.
9378         * parameters.h (class Parameters): Declare is_compatible_target.
9379         * workqueue.cc (Workqueue::add_blocker): New function.
9380         * workqueue.h (class Workqueue): Declare add_blocker.
9381
9382         * fileread.cc (Input_file::open): Remove options parameter.
9383         Change all callers.
9384         (Input_file::open_binary): Likewise.
9385         * script.cc (read_input_script): Likewise.
9386         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9387         options parameter from constructor.  Change all callers.
9388         (class Read_script): Likewise.
9389         * fileread.h (class Input_file): Update declarations.
9390         * script.h (read_input_script): Update declaration.
9391
9392 2009-03-10  Nick Clifton  <nickc@redhat.com>
9393
9394         * po/es.po: New Spanish translation.
9395
9396 2009-03-06  Cary Coutant  <ccoutant@google.com>
9397
9398         * options.cc (parse_short_option): Keep dash_z from registering itself.
9399
9400 2009-03-03  Ian Lance Taylor  <iant@google.com>
9401
9402         PR 9918
9403         * target-reloc.h (relocate_section): Pass output_section to
9404         relocate.
9405         * i386.cc (Target_i386::should_apply_static_reloc): Add
9406         output_section parameter.  Change all callers.
9407         (Target_i386::Relocate::relocate): Add output_section parameter.
9408         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9409         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9410         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9411         * testsuite/two_file_shared.sh: New script.
9412         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9413         (check_DATA): Add two_file_shared.dbg.
9414         (two_file_shared.dbg): New target.
9415         * testsuite/Makefile.in: Rebuild.
9416
9417 2009-03-01  Ian Lance Taylor  <iant@google.com>
9418
9419         * configure.ac: Check for byteswap.h.
9420         * configure: Rebuild.
9421         * config.in: Rebuild.
9422
9423 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9424
9425         * layout.cc (Layout::find_or_add_kept_section): New function.
9426         (Layout::add_comdat): Removed.
9427         * layout.h (struct Kept_section): Move out of class Layout.
9428         Remove trailing underscores from field names.  Add group_sections
9429         field.  Rename group_ field to is_group.  Change all uses.
9430         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9431         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9432         comdat_groups_ field.
9433         (Sized_relobj::include_section_group): Use
9434         find_or_add_kept_section and Kept_section::group_sections.
9435         (Sized_relobj::include_linkonce_section): Likewise.
9436         * object.cc (class Sized_relobj): Don't define Comdat_group or
9437         Comdat_group_table.  Remove find_comdat_group and
9438         add_comdat_group.  Remove comdat_groups_ field.
9439         * plugin.cc (include_comdat_group): Use
9440         Layout::find_or_add_kept_section.
9441
9442 2009-02-28  Ian Lance Taylor  <iant@google.com>
9443
9444         * README: --gc-sections and map files are now supported.  Document
9445         some build requirements.
9446
9447         PR 6992
9448         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9449         relocatable link set the value of the section symbol to zero.
9450         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9451         relocatable link don't include the section address in the local
9452         symbol value.
9453
9454 2009-02-27  Ian Lance Taylor  <iant@google.com>
9455
9456         PR 6811
9457         * options.h (class Search_directory): Add is_system_directory.
9458         (class General_options): Declare is_in_system_directory.
9459         * options.cc (get_relative_sysroot): Make static.
9460         (get_default_sysroot): Make static.
9461         (General_optoins::is_in_system_directory): New function.
9462         * fileread.cc (Input_file::is_in_system_directory): New function.
9463         * fileread.h (class Input_file): Declare is_in_system_directory.
9464         * object.h (class Object): Add is_in_system_directory.
9465         (class Input_objects): Remove system_library_directory_ field.
9466         * object.cc (Input_objects::add_object): Don't set
9467         system_library_directory_.
9468         (input_objects::found_in_system_library_directory): Remove.
9469         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9470         parameter.  Change all callers.
9471         (Symbol_table::sized_write_globals): Likewise.
9472         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9473         Call Object::is_in_system_directory.
9474         * symtab.h (class Symbol_table): Update declarations.
9475
9476         PR 5990
9477         * descriptors.h (Open_descriptor): Add is_on_stack field.
9478         * descriptors.cc (Descriptors::open): If the descriptor is on the
9479         top of the stack, remove it.  Initialize is_on_stack field.
9480         (Descriptors::release): Only add pod to stack if it is not on the
9481         stack already.
9482         (Descriptors::close_some_descriptor): Clear stack_next and
9483         is_on_stack fields.
9484
9485         PR 7091
9486         * output.cc (Output_section::find_starting_output_address): Rename
9487         from starting_output_address; add PADDR parameter; change return
9488         type.
9489         * output.h (class Output_section): Declare
9490         find_starting_output_address instead of starting_output_address.
9491         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9492         section symbol for which we can't find a merge section.
9493
9494         PR 9836
9495         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9496         hidden or internal, force the symbol to be local.
9497         * resolve.cc (Symbol::override_visibility): Define.
9498         (Symbol::override_base): Use override_visibility.
9499         (Symbol_table::resolve): Likewise.
9500         (Symbol::override_base_with_special): Likewise.
9501         (Symbol_table::override_with_special): If the visibility is hidden
9502         or internal, force the symbol to be local.
9503         * symtab.h (class Symbol): Add set_visibility and
9504         override_visibility.
9505         * testsuite/ver_test_1.sh: New file.
9506         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9507         (check_DATA): Add ver_test_1.syms.
9508         (ver_test_1.syms): New target.
9509         * testsuite/Makefile.in: Rebuild.
9510
9511 2009-02-25  Cary Coutant  <ccoutant@google.com>
9512
9513         * layout.cc (Layout::choose_output_section): Don't rename sections
9514         when using a linker script that has a SECTIONS clause.
9515         * Makefile.in: Regenerate.
9516
9517         * testsuite/Makefile.am (script_test_5.sh): New test case.
9518         * testsuite/Makefile.in: Regenerate.
9519         * testsuite/script_test_5.cc: New file.
9520         * testsuite/script_test_5.sh: New file.
9521         * testsuite/script_test_5.t: New file.
9522
9523 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9524
9525         * archive.cc (Archive::include_member): Update calls to add_symbols.
9526         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9527         the Layout argument.
9528         * dynobj.h (do_add_symbols): Add the Layout argument.
9529         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9530         Layout argument.
9531         * object.h (Object::add_symbols): Add the Layout argument.
9532         (Object::do_add_symbols): Add the Layout argument.
9533         (Sized_relobj::do_add_symbols): Add the Layout argument.
9534         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9535         Unify the two versions.
9536         (Add_plugin_symbols): Remove.
9537         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9538         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9539         (Add_plugin_symbols): Remove.
9540         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9541         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9542         (Add_symbols::run): Make it work with Pulginobj.
9543
9544 2009-02-06  Ian Lance Taylor  <iant@google.com>
9545
9546         * object.cc (Sized_relobj::do_layout): Make info message start
9547         with lower case letter.
9548
9549 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9550
9551         * binary.cc: Fix file comment.
9552
9553         * options.h (enum Incremental_disposition): Define.
9554         (class General_options): Add new options: --incremental,
9555         --incremental_changed, --incremental_unchanged,
9556         --incremental_unknown.  Add incremental_disposition_ and
9557         implicit_incremental_ fields.
9558         (General_options::incremental_disposition): New function.
9559         (class Position_dependent_options): Add incremental_disposition
9560         option.
9561         (Position_dependent_options::copy_from_options): Set incremental
9562         dispositions.
9563         * options.cc (General_options::parse_incremental_changed): New
9564         function.
9565         (General_options::parse_incremental_unchanged): New function.
9566         (General_options::parse_incremental_unknown): New function.
9567         (General_options::General_options): Initialize new fields
9568         incremental_disposition_ and implicit_incremental_.
9569         (General_options::finalize): Check for uasge of --incremental-*
9570         without --incremental.
9571
9572 2009-02-06  Chris Demetriou  <cgd@google.com>
9573
9574         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9575         pointer and to report location as the file name associated with
9576         the symbol.
9577         (gold_undefined_symbol_at_location): New function to replace the
9578         old gold_undefined_symbol functionality.
9579         * target-reloc.h (relocate_section): Update to use
9580         gold_undefined_symbol_at_location.
9581         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9582         Call gold_undefined_symbol function rather than gold_error.
9583         * errors.h (Errors::undefined_symbol): Take location as a
9584         string, rather than calculating it from a relocation.
9585         * errors.cc (Errors::fatal): Print "fatal error:" before the
9586         formatted message.
9587         (Errors::error, Errors::error_at_location): Print "error: "
9588         before the formatted message.
9589         (Errors::undefined_symbol): Take location as a string, rather
9590         than calculating it from a relocation.
9591         (gold_undefined_symbol_at_location): New function akin to
9592         old gold_undefined_symbol, calculates location from relocation.
9593         (gold_undefined_symbol): Change to take only a Symbol pointer
9594         and to report location as the file name associated with the symbol.
9595         * testsuite/debug_msg.sh: Update for changed error messages.
9596         * testsuite/undef_symbol.sh: Likewise.
9597
9598 2009-02-04  Duncan Sands  <baldrick@free.fr>
9599
9600         PR 9812
9601         * reduced_debug_output.h
9602         (Output_reduced_debug_abbrev_section::failed): Use format for
9603         gold_warning.
9604         (Output_reduced_debug_info_section::faild): Likewise.
9605
9606 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9607
9608         * script.cc (Lazy_demangler): New class.
9609         (Version_script_info::get_symbol_version_helper): Demangle a
9610         symbol only once.
9611
9612 2009-01-29  Cary Coutant  <ccoutant@google.com>
9613
9614         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9615         to __tls_get_addr.
9616         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9617
9618 2009-01-28  Ian Lance Taylor  <iant@google.com>
9619
9620         * version.cc (version_string): Bump to 1.9.
9621
9622         * gold.h: Include <cstring> and <stdint.h>.
9623         * version.cc: Include <cstdio>.
9624         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9625         warning.
9626         * reduced_debug_output.cc (insert_into_vector): Rename from
9627         Insert_into_vector; change all callers.  Use Swap_unaligned to
9628         avoid aliasing issue; remove union since it is unnecessary.
9629
9630 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9631
9632         * Makefile.am (CCFILES): Add gc.cc.
9633         (HFILES): Add gc.h.
9634         * Makefile.in: Regenerate.
9635         * gold.cc (Gc_runner): New class.
9636         (queue_initial_tasks): Call garbage collection related tasks
9637         when corresponding options are invoked.
9638         (queue_middle_gc_tasks): New function.
9639         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9640         processed early before laying out sections during garbage collection.
9641         * gold.h (queue_middle_gc_tasks): New function.
9642         (is_prefix_of): Move from "layout.cc".
9643         * i386.cc (Target_i386::gc_process_relocs): New function.
9644         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9645         * main.cc (main): Create object of class "Garbage_collection".
9646         * object.cc (Relobj::copy_symbols_data): New function.
9647         (Relobj::is_section_name_included): New function.
9648         (Sized_relobj::do_layout): Allow this function to be called twice
9649         during garbage collection and defer layout of section during the
9650         first call.
9651         * object.h (Relobj::get_symbols_data): New function.
9652         (Relobj::is_section_name_included): New function.
9653         (Relobj::copy_symbols_data): New function.
9654         (Relobj::set_symbols_data): New function.
9655         (Relobj::get_relocs_data): New function.
9656         (Relobj::set_relocs_data): New function.
9657         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9658         (Relobj::gc_process_relocs): New function.
9659         (Relobj::do_gc_process_relocs): New pure virtual function.
9660         (Relobj::sd_): New data member.
9661         (Sized_relobj::is_output_section_offset_invalid): New function.
9662         (Sized_relobj::do_gc_process_relocs): New function.
9663         * options.h (General_options::gc_sections): Modify to not be a no-op.
9664         (General_options::print_gc_sections): New option.
9665         * plugin.cc (Plugin_finish::run): Remove function call to
9666         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9667         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9668         * reloc.cc (Read_relocs::run): Add task to process relocs and
9669         determine unreferenced sections when doing garbage collection.
9670         (Gc_process_relocs): New class.
9671         (Sized_relobj::do_gc_process_relocs): New function.
9672         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9673         sections that are garbage collected.
9674         * reloc.h (Gc_process_relocs): New class.
9675         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9676         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9677         symbols whose corresponding sections are garbage collected.
9678         (Symbol_table::Symbol_table): Add new parameter for the garbage
9679         collection object.
9680         (Symbol_table::gc_mark_undef_symbols): New function.
9681         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9682         (Symbol_table::gc_mark_dyn_syms): New function.
9683         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9684         as garbage.
9685         (Symbol_table::add_from_object): Likewise.
9686         (Symbol_table::add_from_relobj): When building shared objects, do not
9687         treat externally visible symbols as garbage.
9688         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9689         table information for static and relocatable links.
9690         * symtab.h (Symbol_table::set_gc): New function.
9691         (Symbol_table::gc): New function.
9692         (Symbol_table::gc_mark_undef_symbols): New function.
9693         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9694         (Symbol_table::gc_mark_dyn_syms): New function.
9695         (Symbol_table::gc_): New data member.
9696         * target.h (Sized_target::gc_process_relocs): New pure virtual
9697         function.
9698         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9699         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9700
9701 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9702
9703         * options.h (General_options::gc_sections): Define as a no-op for now.
9704         (General_options::no_keep_memory): Ditto.
9705         (General_options::Bshareable): Define.
9706         * options.cc (General_options::finalize): Honor -Bshareable.
9707
9708 2009-01-20  Andreas Schwab  <schwab@suse.de>
9709
9710         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9711         read the value in the contents, since we don't use it.  Use the
9712         template endianness when writing.
9713         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9714
9715 2009-01-19  Andreas Schwab  <schwab@suse.de>
9716
9717         * configure.tgt (powerpc64-*): Fix targ_obj.
9718
9719 2009-01-15  Ian Lance Taylor  <iant@google.com>
9720
9721         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9722         local symbols when stripping all symbols.
9723
9724 2009-01-14  Cary Coutant  <ccoutant@google.com>
9725
9726         * output.cc (Output_reloc): Add explicit instantiations.
9727
9728 2009-01-14  Cary Coutant  <ccoutant@google.com>
9729
9730         * archive.cc (Archive::get_elf_object_for_member): Remove call
9731         to File_read::claim_for_plugin.
9732         * descriptors.cc (Descriptors::open): Remove reference to
9733         is_claimed.
9734         (Descriptors::claim_for_plugin): Remove.
9735         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9736         (Descriptors::is_claimed): Remove.
9737         (claim_descriptor_for_plugin): Remove.
9738         * fileread.cc (File_read::claim_for_plugin): Remove.
9739         * fileread.h (File_read::claim_for_plugin): Remove.
9740         (File_read::descriptor): Reopen descriptor if necessary.
9741         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9742         (Plugin_manager::all_symbols_read): Add task parameter. Change
9743         all callers.
9744         (Plugin_manager::get_input_file): New function.
9745         (Plugin_manager::release_input_file): New function.
9746         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9747         corresponding data member.
9748         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9749         and pass to base constructor. Change all callers.
9750         (get_input_file, release_input_file): New functions.
9751         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9752         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9753         (Plugin_manager::all_symbols_read): Add task parameter.
9754         (Plugin_manager::get_input_file): New function.
9755         (Plugin_manager::release_input_file): New function.
9756         (Plugin_manager::task_): New data member.
9757         (Pluginobj::Pluginobj): Add filesize parameter.
9758         (Pluginobj::filename): New function.
9759         (Pluginobj::descriptor): New function.
9760         (Pluginobj::filesize): New function.
9761         (Pluginobj::filesize_): New data member.
9762         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9763         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9764         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9765
9766         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9767         with archive libraries.
9768         * testsuite/Makefile.in: Regenerate.
9769         * testsuite/plugin_test.c (struct sym_info): New type.
9770         (get_input_file, release_input_file): New static variables.
9771         (onload): Capture new transfer vector entries.
9772         (claim_file_hook): Stop reading at end of file according to filesize.
9773         Factor out parsing of readelf output into separate function.
9774         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9775         APIs and get the source file name from the symbol table.  Convert
9776         source file name to corresponding object file name.  Print info
9777         message when adding new input files.
9778         (parse_readelf_line): New function.
9779         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9780         * testsuite/plugin_test_2.sh: Likewise.
9781         * testsuite/plugin_test_3.sh: Likewise.
9782         * testsuite/plugin_test_4.sh: New test case.
9783
9784 2009-01-07  Ian Lance Taylor  <iant@google.com>
9785
9786         * version.cc (version_string): Bump to 1.8.
9787
9788 2008-12-23  Cary Coutant  <ccoutant@google.com>
9789
9790         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9791         * plugin.cc (Plugin_manager::finish): Rename as
9792         layout_deferred_objects.  Move cleanup to separate function.
9793         (Plugin_manager::cleanup): New function.
9794         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9795         separately.
9796         * plugin.h (Plugin_manager::finish): Rename as
9797         layout_deferred_objects.
9798         (Plugin_manager::cleanup): New function.
9799         (Plugin_manager::cleanup_done): New field.
9800
9801 2008-12-23  Cary Coutant  <ccoutant@google.com>
9802
9803         * plugin.cc (is_visible_from_outside): New function.
9804         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9805         so we don't return "IR only" status for exported symbols or -r links.
9806
9807         * testsuite/Makefile.am (plugin_test_3): New test case.
9808         * testsuite/Makefile.in: Regenerate.
9809         * testsuite/plugin_test_3.sh: New file.
9810
9811 2008-12-22  Cary Coutant  <ccoutant@google.com>
9812
9813         * object.cc (Sized_relobj::layout_section): New function.
9814         (Sized_relobj::do_layout): Defer layout of input sections until after
9815         plugin has provided replacement files.
9816         (Sized_relobj::do_layout_deferred_sections): New function.
9817         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9818         (Relobj::layout_deferred_sections): New function.
9819         (Relobj::do_layout_deferred_sections): New function.
9820         (Sized_relobj::do_layout_deferred_sections): New function.
9821         (Sized_relobj::layout_section): New function.
9822         (Sized_relobj::Deferred_layout): New structure.
9823         (Sized_relobj::deferred_layout_): New field.
9824         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9825         Change all callers.  Layout deferred sections.
9826         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9827         references.
9828         (Plugin_hook::run): Move code from do_plugin_hook inline.
9829         (Plugin_hook::do_plugin_hook): Remove.
9830         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9831         (Plugin_manager::finish): Renamed, was cleanup.
9832         (Plugin_manager::should_defer_layout): New function.
9833         (Plugin_manager::add_deferred_layout_object): New function.
9834         (Plugin_manager::Deferred_layout_list): New type.
9835         (Plugin_manager::deferred_layout_objects_): New field.
9836         (Plugin_hook::do_plugin_hook): Remove.
9837
9838 2008-12-17  Ian Lance Taylor  <iant@google.com>
9839
9840         * options.h (class General_options): Add --no case for
9841         --export-dynamic.
9842
9843 2008-12-16  Cary Coutant  <ccoutant@google.com>
9844
9845         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9846         vector.
9847         (Plugin_manager::claim_file): Create plugin object even if
9848         plugin did not call the add_symbols callback.
9849         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9850         asking for more symbols than were added.
9851         * testsuite/Makefile.am (plugin_test_1): Add test case with
9852         no global symbols.
9853         (empty.syms): New target.
9854         * testsuite/Makefile.in: Regenerate.
9855         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9856         message. Don't call add_symbols if no globals.
9857         (all_symbols_read_hook): Don't provide replacement for empty
9858         claimed file.
9859
9860 2008-12-12  Ian Lance Taylor  <iant@google.com>
9861
9862         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9863         r_type == 0 for a local symbol with r_sym == 0.
9864         (scan_relocatable_relocs): Pass r_sym to
9865         local_non_section_strategy.
9866         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9867         r_sym parameter.
9868
9869         * configure.ac: Update test for TLS descriptors: they are
9870         supported as of glibc 2.9.
9871         * configure: Rebuild.
9872
9873 2008-12-11  Ian Lance Taylor  <iant@google.com>
9874
9875         PR 7091
9876         * target-reloc.h (Default_scan_relocatable_relocs): For each
9877         function, map r_type == 0 to RELOC_DISCARD.
9878
9879 2008-12-10  Cary Coutant  <ccoutant@google.com>
9880
9881         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9882         object to override a kept COMDAT group from a plugin object.
9883
9884 2008-12-09  Ian Lance Taylor  <iant@google.com>
9885
9886         PR 7088
9887         * yyscript.y (file_cmd): Handle INPUT.
9888
9889         * testsuite/initpri1.c: Change all declarations to be full
9890         prototypes by adding void, to avoid compiler warnings.
9891
9892 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9893
9894         * options.cc (General_options::parse_plugin_opt): New.
9895         (General_options::add_plugin): The argument now is just the filename.
9896         (General_options::add_plugin_option): New.
9897         * options.h (plugin_opt): New.
9898         (add_plugin): Change argument name.
9899         (add_plugin_option): New.
9900         * plugin.cc (Plugin::load): Don't parse the plugin option.
9901         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9902         (Plugin::add_option): New.
9903         (Plugin::args_): Change type.
9904         (Plugin::filename_): New.
9905         (Plugin_manager::add_plugin_option): New.
9906         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9907         * testsuite/Makefile.in: Regenerate.
9908
9909 2008-12-05  Cary Coutant  <ccoutant@google.com>
9910
9911         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9912         Handle --strip-lto-sections option.
9913         * options.h (strip_lto_sections): New option.
9914
9915 2008-12-01  Cary Coutant  <ccoutant@google.com>
9916
9917         * plugin.cc (ld_plugin_message): Change format parameter to const.
9918         Fix mismatch between new[] and delete.
9919
9920 2008-11-14  Cary Coutant  <ccoutant@google.com>
9921
9922         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9923         instead of -1U.
9924
9925 2008-11-05  Craig Silverstein  <csilvers@google.com>
9926
9927         * options.cc (General_options::parse_dynamic_list): New function.
9928         * options.h (General_options): New flags dynamic_list,
9929         dynamic_list_data, dynamic_list_cpp_new, and
9930         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9931         (General_options::in_dynamic_list): New function.
9932         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9933         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9934         (Lex::can_continue_name): Likewise.
9935         (yylex): Likewise.
9936         (read_script_file): New parameter script_options.
9937         (read_dynamic_list): New function.
9938         (Script_options::define_dynamic_list): New function.
9939         (dynamic_list_keyword_parsecodes): New variable.
9940         (dynamic_list_keywords): New variable.
9941         * script.h (Script_options::define_dynamic_list): New function
9942         prototype.
9943         (read_dynamic_list): New function prototype.
9944         * symtab.cc (strprefix): New macro.
9945         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9946         dynamic_list_data, dynamic_list_cpp_new, and
9947         dynamic_list_cpp_typeinfo.
9948         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9949         (dynamic_list_expr): New rule.
9950         (dynamic_list_nodes): Likewise.
9951         (dynamic_list_node): Likewise.
9952         * testsuite/Makefile.am (dynamic_list): New test.
9953         * testsuite/Makefile.in: Regenerated.
9954         * testsuite/dynamic_list.t: New file.
9955         * testsuite/dynamic_list.sh: New file.
9956
9957 2008-11-05  Craig Silverstein  <csilvers@google.com>
9958
9959         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9960         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9961         (t11_last): Likewise.
9962         * testsuite/ver_test_6.c (main): Likewise.
9963
9964 2008-10-07  Cary Coutant  <ccoutant@google.com>
9965
9966         * options.c (General_options::finalize): Add check for -static and
9967         -shared.
9968         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9969         is not empty.
9970
9971 2008-10-02  Cary Coutant  <ccoutant@google.com>
9972
9973         * plugin.cc (make_sized_plugin_object): Fix conditional
9974         compilation to work when not all targets are enabled.
9975
9976 2008-09-29  Cary Coutant  <ccoutant@google.com>
9977
9978         * archive.cc (Archive::get_file_and_offset): Use filename instead
9979         of name to get library path.
9980         (Archive::include_member): Unlock external member of a thin archive.
9981
9982         * testsuite/Makefile.am (TEST_AR): New variable.
9983         (thin_archive_test_1): New test.
9984         (thin_archive_test_2): New test.
9985         * testsuite/Makefile.in: Regenerate.
9986         * testsuite/thin_archive_main.cc: New file.
9987         * testsuite/thin_archive_test_1.cc: New file.
9988         * testsuite/thin_archive_test_2.cc: New file.
9989         * testsuite/thin_archive_test_3.cc: New file.
9990         * testsuite/thin_archive_test_4.cc: New file.
9991
9992 2008-09-29  Cary Coutant  <ccoutant@google.com>
9993
9994         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9995         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9996         instead of -1U.
9997         (Sized_relobj::do_finalize_local_symbols): Likewise.
9998         (Sized_relobj::map_to_kept_section): Likewise.
9999         * object.h (Sized_relobj::invalid_address): New constant.
10000         (Sized_relobj::do_output_section_offset): Check for invalid_address
10001         and return -1ULL.
10002         * output.cc (Output_reloc::local_section_offset): Use constant
10003         invalid_address instead of -1U.
10004         (Output_reloc::get_address): Likewise.
10005         (Output_section::output_address): Change -1U to -1ULL.
10006         * output.h (Output_reloc::invalid_address): New constant.
10007         * reloc.cc (Sized_relobj::write_sections): Use constant
10008         invalid_address instead of -1U.
10009         (Sized_relobj::relocate_sections): Likewise.
10010         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10011         values for merge sections.
10012         * target-reloc.h (relocate_for_relocatable): Use constant
10013         invalid_address instead of -1U.
10014
10015 2008-09-19  Cary Coutant  <ccoutant@google.com>
10016
10017         Add plugin functionality for link-time optimization (LTO).
10018         * configure.ac (plugins): Add --enable-plugins option.
10019         * configure: Regenerate.
10020         * config.in: Regenerate.
10021         * Makefile.am (LIBDL): New variable.
10022         (CCFILES): Add plugin.cc.
10023         (HFILES): Add plugin.h.
10024         (ldadd_var): Add LIBDL.
10025         * Makefile.in: Regenerate.
10026
10027         * archive.cc: Include "plugin.h".
10028         (Archive::setup): Don't preread archive symbols when using a plugin.
10029         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10030         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10031         files.
10032         (Archive::include_member): Add symbols from plugin objects.
10033         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10034         * descriptors.cc (Descriptors::open): Check for file descriptors
10035         abandoned by plugins.
10036         (Descriptors::claim_for_plugin): New function.
10037         * descriptors.h (Descriptors::claim_for_plugin): New function.
10038         (Open_descriptor::is_claimed): New field.
10039         (claim_descriptor_for_plugin): New function.
10040         * fileread.cc (File_read::claim_for_plugin): New function.
10041         * fileread.h (File_read::claim_for_plugin): New function.
10042         (File_read::descriptor): New function.
10043         * gold.cc: Include "plugin.h".
10044         (queue_initial_tasks): Add task to call plugin hooks for generating
10045         new object files.
10046         * main.cc: Include "plugin.h".
10047         (main): Load plugin libraries.
10048         * object.h (Pluginobj): Declare.
10049         (Object::pluginobj): New function.
10050         (Object::do_pluginobj): New function.
10051         (Object::set_target): New function.
10052         * options.cc: Include "plugin.h".
10053         (General_options::parse_plugin): New function.
10054         (General_options::General_options): Initialize plugins_ field.
10055         (General_options::add_plugin): New function.
10056         * options.h (Plugin_manager): Declare.
10057         (General_options): Add --plugin option.
10058         (General_options::has_plugins): New function.
10059         (General_options::plugins): New function.
10060         (General_options::add_plugin): New function.
10061         (General_options::plugins_): New field.
10062         * plugin.cc: New file.
10063         * plugin.h: New file.
10064         * readsyms.cc: Include "plugin.h".
10065         (Read_symbols::do_read_symbols): Check for archive before checking
10066         for ELF file.  Call plugin hooks to claim files.
10067         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10068         from a real object file; force override when processing replacement
10069         files.
10070         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10071         (Symbol::init_base_object): Likewise.
10072         (Symbol::init_base_output_data): Likewise.
10073         (Symbol::init_base_output_segment): Likewise.
10074         (Symbol::init_base_constant): Likewise.
10075         (Symbol::init_base_undefined): Likewise.
10076         (Symbol::output_section): Assert that object is not a plugin.
10077         (Symbol_table::add_from_pluginobj): New function.
10078         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10079         undefined.
10080         (Symbol_table::sized_write_globals): Likewise.
10081         (Symbol_table::add_from_pluginobj): Instantiate template.
10082         * symtab.h (Sized_pluginobj): Declare.
10083         (Symbol::in_real_elf): New function.
10084         (Symbol::set_in_real_elf): New function.
10085         (Symbol::in_real_elf_): New field.
10086         (Symbol_table::add_from_pluginobj): New function.
10087
10088         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10089         (LIBDL): New variable.
10090         (LDADD): Add LIBDL.
10091         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10092         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10093         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10094         (MOSTLYCLEANFILES): Likewise.
10095         * testsuite/Makefile.in: Regenerate.
10096         * testsuite/plugin_test.c: New file.
10097         * testsuite/plugin_test_1.sh: New file.
10098         * testsuite/plugin_test_2.sh: New file.
10099
10100 2008-09-16  Ian Lance Taylor  <iant@google.com>
10101
10102         * target-reloc.h (relocate_section): Check whether a symbol is
10103         defined by the ABI before reporting an undefined symbol error.
10104         * target.h (Target::is_defined_by_abi): Make parameter const.
10105         (Target::do_is_defined_by_abi): Likewise.
10106         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10107         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10108         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10109         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10110         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10111         * testsuite/Makefile.in: Rebuild.
10112
10113         * fileread.cc (make_view): Add casts to avoid warning.
10114
10115 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10116
10117         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10118         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10119
10120 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10121
10122         * options.h (General_options::output_is_executable): New.
10123         (General_options::output_is_pie): New.
10124         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10125         for shared libraries.
10126         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10127
10128 2008-09-11  Chris Demetriou  <cgd@google.com>
10129
10130         * options.h (origin): New -z option.
10131         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10132         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10133         in DT_FLAGS_1.
10134
10135 2008-09-05  Cary Coutant  <ccoutant@google.com>
10136
10137         * fileread.cc (File_read::make_view): Add check for attempt to map
10138         beyond end of file.
10139
10140 2008-09-05  Cary Coutant  <ccoutant@google.com>
10141
10142         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10143         explicit instantiations.
10144
10145 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10146
10147         PR gold/6858
10148         * options.cc (General_options::finalize): Allow undefined symbols
10149         in shlibs if linking -shared.
10150
10151         PR gold/6859
10152         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10153         symbols as not needing a dynsym entry.
10154
10155 2008-08-20  Craig Silverstein  <csilvers@google.com>
10156
10157         * fileread.cc (File_read::open): Do not lock the file unless it
10158         was successfully opened.
10159
10160 2008-08-14  Cary Coutant  <ccoutant@google.com>
10161
10162         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10163         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10164         * testsuite/tls_test.cc (struct int128): 128-bit struct
10165         for testing TLS relocs with non-zero addend.
10166         (v12): New TLS variable.
10167         (t12): New test.
10168         (t_last): Add check for v12.
10169         * testsuite/tls_test.h (t12): New function.
10170         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10171
10172 2008-08-13  Ian Lance Taylor  <iant@google.com>
10173
10174         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10175         set tls_segment_ or relro_segment_.
10176         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10177         when appropriate.
10178         * output.h (Output_section::clear_is_relro): New function.
10179         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10180         sections specially even when output_data_ is empty.
10181         (Output_segment::maximum_alignment): When first section is relro,
10182         only force alignment for PT_LOAD segments.
10183         * script.cc (script_data_segment_align): New function.
10184         (script_data_segment_relro_end): New function.
10185         * script-c.h (script_data_segment_align): Declare.
10186         (script_data_segment_relro_end): Declare.
10187         * script-sections.h (class Script_sections): Declare
10188         data_segment_align and data_segment_relro_end.  Add fields
10189         segment_align_index_ and saw_relro_end_.
10190         * script-sections.cc (class Sections_element): Add set_is_relro
10191         virtual function.  Add new bool* parameter to place_orphan_here.
10192         Add get_output_section virtual function.
10193         (class Output_section_definition): Add set_is_relro.  Add new
10194         bool* parameter to place_orphan_here.  Add get_output_section.
10195         Add is_relro_ field.
10196         (Output_section_definition::Output_section_definition): Initialize
10197         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10198         and is_relro_ fields.
10199         (Output_section_definition::place_orphan_here): Add is_relro
10200         parameter.
10201         (Output_section_definition::set_section_addresses): Set relro for
10202         output section.
10203         (Output_section_definition::alternate_constraint): Likewise.
10204         (class Orphan_output_section): Add new bool* parameter to
10205         place_orphan_here.  Add get_output_section.
10206         (Orphan_output_section::place_orphan_here): Add is_relro
10207         parameter.
10208         (Script_sections::Script_sections): Initialize
10209         data_segment_align_index_ and saw_relro_end_.
10210         (Script_sections::data_segment_align): New function.
10211         (Script_sections::data_segment_relro_end): New function.
10212         (Script_sections::place_orphan): Set or clear is_relro.
10213         (Script_sections::set_section_addresses): Force alignment of first
10214         TLS section.
10215         * yyscript.y (exp): Call script_data_segment_align and
10216         script_data_segment_relro_end.
10217         * testsuite/relro_script_test.t: New file.
10218         * testsuite/relro_test.cc (using_script): Declare.
10219         (t1, t2): Test using_script.
10220         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10221         (relro_script_test_SOURCES): Define.
10222         (relro_script_test_DEPENDENCIES): Define.
10223         (relro_script_test_LDFLAGS): Define.
10224         (relro_script_test_LDADD): Define.
10225         (relro_script_test.so): New target.
10226         * testsuite/Makefile.in: Rebuild.
10227
10228 2008-08-06  Cary Coutant <ccoutant@google.com>
10229
10230         * archive.cc (Archive::total_archives, Archive::total_members)
10231         (Archive::total_members_loaded): New variables.
10232         (Archive::setup): Add parameter.  Add option to preread
10233         archive symbols.
10234         (Archive::read_armap): Add counter.
10235         (Archive::get_file_and_offset): New function.
10236         (Archive::get_elf_object_for_member): New function.
10237         (Archive::read_all_symbols): New function.
10238         (Archive::read_symbols): New function.
10239         (Archive::add_symbols): Add counters.
10240         (Archive::include_all_members): Use armap to find members if it's
10241         already built.
10242         (Archive::include_member): Skip reading symbols if already read.
10243         Factored code into Archive::get_file_and_offset and
10244         Archive::get_elf_object_for_member.  Changed call to
10245         Mapfile::report_include_archive_member.
10246         (Archive::print_stats): New function.
10247         * archive.h: Declare Object and Read_symbols_data classes.
10248         (Archive::Archive): Add initializers for new members.
10249         (Archive::setup): Add parameter.
10250         (Archive::print_stats): New function.
10251         (Archive::total_archives, Archive::total_members)
10252         (Archive::total_members_loaded): New variables.
10253         (Archive::get_file_and_offset): New function.
10254         (Archive::get_elf_object_for_member): New function.
10255         (Archive::read_all_symbols): New function.
10256         (Archive::read_symbols): New function.
10257         (Archive::Archive_member): New class.
10258         (Archive::members_): New member.
10259         (Archive::num_members_): New member.
10260         * main.cc: Include archive.h.
10261         (main): Call Archive::print_stats.
10262         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10263         archive parameter; member_name is now the fully-decorated name.
10264         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10265         * options.h: (General_options): Add --preread-archive-symbols option.
10266         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10267         Archive::setup.
10268
10269 2008-08-04  Ian Lance Taylor  <iant@google.com>
10270
10271         * symtab.h (Symbol::use_plt_offset): New function.
10272         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10273         * powerpc.cc (Relocate::relocate): Likewise.
10274         * sparc.cc (Relocate::relocate): Likewise.
10275         * x86_64.cc (Relocate::relocate): Likewise.
10276         * testsuite/weak_plt.sh: New test.
10277         * testsuite/weak_plt_main.cc: New test.
10278         * testsuite/weak_plt_shared.cc: New test.
10279         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10280         (check_PROGRAMS): Add weak_plt.
10281         (check_DATA): Add weak_plt_shared.so.
10282         (weak_plt_main_pic.o, weak_plt): New targets.
10283         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10284         * testsuite/Makefile.in: Rebuild.
10285
10286         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10287         gcctestdir/ld.
10288         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10289         * testsuite/Makefile.in: Rebuild.
10290
10291 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10292
10293         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10294         * Makefile.in: Regenerate.
10295         * po/POTFILES.in: Regenerate.
10296
10297 2008-07-29  Ian Lance Taylor  <iant@google.com>
10298
10299         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10300         symbols before other symbols.
10301         * testsuite/script_test_2.cc (test_addr): Declare.
10302         (test_addr_alias): Declare.
10303         (main): Check that test_addr and test_addr_alias have the right
10304         values.
10305         * testsuite/script_test_2.t: Define test_addr_alias and
10306         test_addr.
10307
10308 2008-07-24  Ian Lance Taylor  <iant@google.com>
10309
10310         PR 5990
10311         * descriptors.cc: New file.
10312         * descriptors.h: New file.
10313         * gold-threads.h (class Hold_optional_lock): New class.
10314         * fileread.cc: Include "descriptors.h".
10315         (File_read::~File_read): Release descriptor rather than closing
10316         it.
10317         (File_read::open) [file]: Call open_descriptor rather than open.
10318         Set is_descriptor_opened_.
10319         (File_read::open) [memory]: Assert that descriptor is not open.
10320         (File_read::reopen_descriptor): New function.
10321         (File_read::release): Release descriptor.
10322         (File_read::do_read): Make non-const.  Reopen descriptor.
10323         (File_read::read): Make non-const.
10324         (File_read::make_view): Reopen descriptor.
10325         (File_read::do_readv): Likewise.
10326         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10327         Update declarations.
10328         * layout.cc: Include "descriptors.h".
10329         (Layout::create_build_id): Use open_descriptor rather than open.
10330         * output.cc: Include "descriptors.h".
10331         (Output_file::open): Use open_descriptor rather than open.
10332         * archive.cc (Archive::const_iterator): Change Archive to be
10333         non-const.
10334         (Archive::begin, Archive::end): Make non-const.
10335         (Archive::count_members): Likewise.
10336         * archive.h (class Archive): Update declarations.
10337         * object.h (Object::read): Make non-const.
10338         * Makefile.am (CCFILES): Add descriptors.cc.
10339         (HFILES): Add descriptors.h.
10340         * Makefile.in: Rebuild.
10341
10342         PR 6716
10343         * gold.h: Always include <clocale>.  Add Solaris workarounds
10344         following code in binutils/sysdep.h.
10345
10346         PR 6048
10347         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10348         this->eh_frame_hdr_ is NULL before using it.
10349
10350         * dynobj.cc (Versions::Versions): Update comment.
10351
10352         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10353         the base version name.
10354
10355         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10356         array size plus one.
10357         (Stringpool_template::set_string_offsets): Subtract one from key
10358         before using it as an array index.
10359         (Stringpool_template::get_offset_with_length): Likewise.
10360         (Stringpool_template::write_to_buffer): Likewise.
10361         * stringpool.h (Stringpool_template::get_offset_from_key):
10362         Likewise.
10363
10364 2008-07-23  Ian Lance Taylor  <iant@google.com>
10365
10366         PR 6658
10367         * object.h (Merged_symbol_value::value): Do our best to handle a
10368         negative addend.
10369
10370         PR 6647
10371         * script.cc (Version_script_info::get_versions): Don't add empty
10372         version tag to return value.
10373         (Version_script_info::get_symbol_version_helper): Change return
10374         type to bool.  Add pversion parameter.  Change all callers.
10375         (script_register_vers_node): Don't require a non-NULL tag.
10376         * script.h (class Version_script_info): Update declarations.
10377         (Version_script_info::get_symbol_version): Change return type to
10378         bool.  Add version parameter.  Change all callers.
10379         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10380         handling.  Handle an empty version from a version script.
10381         (Symbol_table::define_special_symbol): Likewise.
10382         * testsuite/ver_test_10.script: New file.
10383         * testsuite/ver_test_10.sh: New file.
10384         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10385         (check_DATA): Add ver_test_10.syms.
10386         (ver_test_10.syms, ver_test_10.so): New target.
10387         * testsuite/Makefile.in: Rebuild.
10388
10389 2008-07-23  Simon Baldwin  <simonb@google.com>
10390
10391         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10392         to zero for undefined symbols from dynamic libraries.
10393
10394 2008-07-23  Ian Lance Taylor  <iant@google.com>
10395
10396         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10397         Change all callers.
10398         * symtab.h (class Symbol_table): Update declaration.
10399         * testsuite/ver_test_9.cc: New file.
10400         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10401         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10402         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10403         (ver_test_9.so, ver_test_9.o): New targets.
10404         * testsuite/Makefile.in: Rebuild.
10405
10406 2008-07-22  Ian Lance Taylor  <iant@google.com>
10407
10408         * options.h (class General_options): Define --check-sections.
10409         * layout.cc (Layout::set_segment_offsets): Handle
10410         --check-sections.
10411
10412         * options.h (class General_options): Define -n/--nmagic and
10413         -N/--omagic.
10414         * options.cc (General_options::finalize): For -n/--nmagic or
10415         -N/--omagic, set -static.
10416         * layout.cc (Layout::attach_allocated_section_to_segment): If
10417         -N/--omagic, don't put read-only and read-write sections in
10418         different segments.
10419         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10420         finding a read-only segment.
10421         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10422         don't set the minimum segment alignment to the common page size,
10423         and don't set the file offset to the address modulo the page size.
10424         * script-sections.cc (Script_sections::create_segments): If
10425         -n/--omagic, don't put read-only and read-write sections in
10426         different segments.
10427
10428         * cref.cc: New file.
10429         * cref.h: New file.
10430         * options.h (class General_options): Add --print-symbol-counts.
10431         * main.cc (main): Issue defined symbol report if requested.
10432         * archive.cc (Archive::interpret_header): Make into a const member
10433         function.
10434         (Archive::add_symbols): Call Input_objects::archive_start and
10435         archive_stop.
10436         (Archive::const_iterator): Define new class.
10437         (Archive::begin, Archive::end): New functions.
10438         (Archive::include_all_members): Rewrite to use iterator.
10439         (Archive::count_members): New function.
10440         * archive.h (class Archive): Update declarations.
10441         (Archive::filename): New function.
10442         * object.cc: Include "cref.h".
10443         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10444         (Sized_relobj::do_get_global_symbol_counts): New function.
10445         (Input_objects::add_object): Add object to cross-referencer.
10446         (Input_objects::archive_start): New function.
10447         (Input_objects::archive_stop): New function.
10448         (Input_objects::print_symbol_counts): New function.
10449         * object.h: Declare Cref and Archive.
10450         (Object::get_global_symbol_counts): New function.
10451         (Object::do_get_global_symbol_counts): New pure virtual function.
10452         (class Sized_relobj): Add defined_count_ field.  Update
10453         declarations.
10454         (class Input_objects): Add cref_ field.  Update constructor.
10455         Update declarations.
10456         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10457         defined_count_.
10458         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10459         symbol counts.
10460         (Sized_dynobj::do_get_global_symbol_counts): New function.
10461         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10462         defined_count_.  Update declarations.  Define Symbols typedef.
10463         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10464         parameter.  Change all callers.
10465         (Symbol_table::add_from_dynobj): Add sympointers and defined
10466         parameters.  Change all callers.
10467         * symtab.h (class Symbol_table): Update declarations.
10468         * Makefile.am (CCFILES): Add cref.cc.
10469         (HFILES): Add cref.h.
10470         * Makefile.in: Rebuild.
10471
10472 2008-07-22  Simon Baldwin  <simonb@google.com>
10473
10474         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10475         to zero when writing undefined symbols.
10476
10477 2008-07-22  Ian Lance Taylor  <iant@google.com>
10478
10479         * output.cc (Output_section::add_input_section): Don't try to
10480         merge empty merge sections.
10481
10482 2008-07-21  Craig Silverstein  <csilvers@google.com>
10483
10484         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10485         Include symbol version in error message.
10486
10487 2008-07-20  Chris Demetriou  <cgd@google.com>
10488
10489         * configure.ac (gold_cv_c_random_seed): New configured variable.
10490         (RANDOM_SEED_CFLAGS): New substituted variable.
10491         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10492         * configure: Rebuild.
10493         * Makefile.in: Likewise.
10494         * testsuite/Makefile.in: Likewise.
10495
10496 2008-07-18  Ian Lance Taylor  <iant@google.com>
10497
10498         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10499         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10500         * testsuite/ver_test_main.cc (main): Call t4.
10501         (t4, t4_2a): Define.
10502         * testsuite/ver_test_2.cc (t4_2): Define.
10503         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10504         * testsuite/ver_test_4.cc (t4_2a): Define.
10505         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10506         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10507
10508 2008-07-17  Ian Lance Taylor  <iant@google.com>
10509
10510         * dynobj.cc (Versions::add_def): If we give an error about a
10511         missing version, go ahead and create the version anyhow.
10512
10513 2008-07-10  Ian Lance Taylor  <iant@google.com>
10514
10515         Handle output sections with more than 0x7fffffff bytes.
10516         * object.h (class Relobj): Change map_to_output_ to
10517         output_sections_, and just keep a section pointer.  Change all
10518         uses.  Move comdat group support to Sized_relobj.
10519         (Relobj::is_section_specially_mapped): Remove.
10520         (Relobj::output_section): Remove poff parameter.  Change all
10521         callers.
10522         (Relobj::output_section_offset): New function.
10523         (Relobj::set_section_offset): Rewrite.
10524         (Relobj::map_to_output): Remove.
10525         (Relobj::output_sections): New function.
10526         (Relobj::do_output_section_offset): New pure virtual function.
10527         (Relobj::do_set_section_offset): Likewise.
10528         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10529         group support from Relobj.  Update declarations.
10530         (Sized_relobj::get_output_section_offset): New function.
10531         (Sized_relobj::do_output_section_offset): New function.
10532         (Sized_relobj::do_set_section_offset): New function.
10533         * object.cc (Relobj::output_section_address): Remove.
10534         (Sized_relobj::Sized_relobj): Initialize new fields.
10535         (Sized_relobj::include_section_group): Cast find_kept_object to
10536         Sized_relobj.
10537         (Sized_relobj::include_linkonce_section): Likewise.
10538         (Sized_relobj::do_layout): Use separate arrays for output section
10539         and output offset.
10540         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10541         output_sections.
10542         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10543         output_sections and section_offsets.
10544         (Sized_relobj::write_local_symbols): Likewise.
10545         (map_to_kept_section): Compute output address directly.
10546         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10547         output_sections and section_offsets.
10548         (Sized_relobj::write_sections): Likewise.
10549         (Sized_relobj::relocate_sections): Likewise.
10550         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10551         * output.h (class Output_reloc): Update declarations.  Change
10552         u2_.relobj to Sized_relobj*.
10553         (class Output_data_reloc): Change add functions to use
10554         Sized_relobj*.
10555         * output.cc (Output_reloc::Output_reloc): Change relobj to
10556         Sized_relobj*.
10557         (Output_reloc::local_section_offset): Change return type to
10558         Elf_Addr.  Use get_output_section_offset.
10559         (Output_reloc::get_address): Likewise.
10560         (Output_section::is_input_address_mapped): Don't call
10561         is_section_specially_mapped.
10562         (Output_section::output_offset): Likewise.
10563         (Output_section::output_address): Likewise.
10564         (Output_section::starting_output_address): Likewise.
10565         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10566         parameter to Sized_relobj*.
10567         (Copy_relocs::need_copy_reloc): Likewise.
10568         (Copy_relocs::save): Likewise.
10569         * copy-relocs.h (class Copy_relocs): Update declarations.
10570         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10571         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10572         * target-reloc.h (relocate_for_relocatable): Change
10573         offset_in_output_section type to Elf_Addr.  Change code that uses
10574         it as well.
10575         * layout.cc (Layout::layout): Always set *off.
10576         * mapfile.cc (Mapfile::print_input_section): Use
10577         output_section_offset.
10578         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10579         Sized_relobj*.
10580         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10581         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10582         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10583
10584 2008-07-03  Ian Lance Taylor  <iant@google.com>
10585
10586         * layout.cc (Layout::include_section): Do not discard unrecognized
10587         SHT_STRTAB sections.
10588
10589 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10590
10591         * script.cc (Lex::can_continue_name): Make '?' allowable in
10592         version-script names.
10593         * testsuite/version_script.map: Change glob pattern to use '?'
10594
10595 2008-06-30  Manish Singh  <yosh@gimp.org>
10596
10597         PR 6585
10598         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10599         Correct typo.
10600
10601 2008-06-30  Ian Lance Taylor  <iant@google.com>
10602
10603         PR 6660
10604         PR 6682
10605         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10606         versions]: Don't try to read the value in the contents, since we
10607         don't use it.  Use the template endianness when writing.
10608
10609 2008-06-25  Cary Coutant  <ccoutant@google.com>
10610
10611         * fileread.cc (File_read::make_view): Assert on zero-length view.
10612         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10613         symbol table when there are no symbols to read.
10614
10615 2008-06-23  Craig Silverstein  <csilvers@google.com>
10616
10617         * version.cc (version_string): Bump to 1.7
10618
10619 2008-06-18  Craig Silverstein  <csilvers@google.com>
10620
10621         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10622         constant 0xFFFF to type Valtype.
10623         (Powerpc_relocate_functions::rel16_ha): Likewise.
10624
10625 2008-06-17  Ian Lance Taylor  <iant@google.com>
10626
10627         * output.h (Output_section::Input_section): Initialize p2align_ to
10628         zero for Output_section_data constructors.
10629         (Output_section::Input_section::addralign): If not an input
10630         section, return the alignment of the Output_section_data.
10631         * testsuite/copy_test.cc: New file.
10632         * testsuite/copy_test_1.cc: New file.
10633         * testsuite/copy_test_2.cc: New file.
10634         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10635         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10636         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10637         (copy_test_1_pic.o, copy_test_1.so): New targets.
10638         (copy_test_2_pic.o, copy_test_2.so): New targets.
10639         * testsuite/Makefile.in: Rebuild.
10640
10641         * script-sections.cc (Script_sections::place_orphan): Initialize
10642         local variable exact.
10643
10644 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10645
10646         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10647
10648 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10649             David S. Miller  <davem@davemloft.net>
10650
10651         * powerpc.cc: New file.
10652         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10653         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10654         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10655         * Makefile.in: Rebuild.
10656
10657 2008-06-09  Ian Lance Taylor  <iant@google.com>
10658
10659         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10660         <exception>.
10661         (throwing, orig_terminate): New static variables.
10662         (terminate_handler): New static function.
10663         (t2): Set terminate handler.
10664
10665 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10666
10667         PR 6584
10668         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10669         alignment.
10670
10671 2008-05-30  Cary Coutant  <ccoutant@google.com>
10672
10673         * archive.cc (Archive::include_all_members) Correct to step
10674         over symbol table and extended name table in thin archives.
10675
10676 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10677
10678         PR 6407
10679         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10680         calculation.
10681
10682 2008-05-28  Caleb Howe  <cshowe@google.com>
10683
10684         * reduced_debug_output.cc: New file.
10685         * reduced_debug_output.h: New file.
10686         * options.h (class General_options): Add --strip-debug-non-line.
10687         * options.cc (General_options::finalize): Add strip_debug_non_line
10688         to the strip heirarchy.
10689         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10690         fields.
10691         * layout.cc: Include "reduced_debug_output.h".
10692         (Layout::Layout): Initialize new fields.
10693         (line_only_debug_sections): New static array.
10694         (is_lines_only_debug_sections): New static inline function.
10695         (Layout::include_section): Handle --strip-debug-non-line.
10696         (Layout::make_output_section): If --strip-debug-non-line, build
10697         new output sections for .debug_abbrev and .debug_info.
10698         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10699         gold.  Warn about possible overflow.
10700         (read_signed_LEB_128): Likewise.
10701         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10702         (read_signed_LEB_128): Declare.
10703         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10704         (HFILES): Add reduced_debug_output.h.
10705         * Makefile.in: Rebuild.
10706
10707 2008-05-21  Ian Lance Taylor  <iant@google.com>
10708
10709         * mapfile.cc: New file.
10710         * mapfile.h: New file.
10711         * options.h (class General_options): Add -M/--print-map and -Map.
10712         * options.cc (General_options::finalize): Make -M equivalent to
10713         -Map -.
10714         * main.cc: Include <cstdio> and "mapfile.h".
10715         (main): Open mapfile if requested.
10716         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10717         constructor.  Change caller.
10718         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10719         (queue_middle_tasks): Likewise.
10720         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10721         declarations.
10722         * archive.cc: Include "mapfile.h".
10723         (Archive::add_symbols): Add mapfile parameter.  Change all
10724         callers.  Pass mapfile, symbol, and reason to include_member.
10725         (Archive::include_all_members): Add mapfile parameter.  Change all
10726         callers.
10727         (Archive::include_member): Add mapfile, sym, and why parameters.
10728         Change all callers.  Report inclusion to map file.
10729         * archive.h: Include "fileread.h".
10730         (class Archive): Update declarations.
10731         (Archive::file): New const method.
10732         (class Add_archive_symbols): Add mapfile_ field.  Update
10733         constructor.  Change all callers.
10734         * readsyms.h (class Read_symbols): Likewise.
10735         (class Finish_group): Likewise.
10736         (class Read_script): Likewise.
10737         * common.cc: Include "mapfile.h".
10738         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10739         all callers.
10740         (Symbol_table::do_allocate_commons): Likewise.
10741         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10742         symbol allocation to mapfile.
10743         * common.h (class Allocate_commons_task): Add mapfile_ field.
10744         Update constructor.  Change all callers.
10745         * symtab.h (class Symbol_table): Update declarations.
10746         * layout.cc: Include "mapfile.h".
10747         (Layout_task_runner::run): Print information to mapfile.
10748         (Layout::create_gold_note): Change Output_data_fixed_space to
10749         Output_data_zero_fill.
10750         (Layout::create_build_id): Likewise.
10751         (Layout::print_to_mapfile): New function.
10752         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10753         constructor.  Change caller.
10754         (class Layout): Declare print_to_mapfile.
10755         * output.cc (Output_section::Input_section::print_to_mapfile): New
10756         function.
10757         (Output_section::add_input_section): If producing a map, always
10758         add to input_sections_ list.
10759         (Output_section::do_print_to_mapfile): New function.
10760         (Output_segment::print_sections_to_mapfile): New function.
10761         (Output_segment::print_section_list_to_mapfile): New function.
10762         * output.h: Include "mapfile.h".
10763         (Output_data::print_to_mapfile): New function.
10764         (Output_data::do_print_to_mapfile): New virtual function.
10765         (Output_segment_headers::do_print_to_mapfile): New function.
10766         (Output_file_header::do_print_to_mapfile): New function.
10767         (Output_data_const::do_print_to_mapfile): New function.
10768         (class Output_data_const_buffer): Add map_name_ field.  Update
10769         constructor.  Change all callers.  Add do_print_to_mapfile
10770         function.
10771         (class Output_data_fixed_space): Likewise.
10772         (class Output_data_space): Likewise.
10773         (class Output_data_zero_fill): New class.
10774         (Output_data_strtab::do_print_to_mapfile): New function.
10775         (Output_data_reloc_base::do_print_to_mapfile): New function.
10776         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10777         (Output_data_group::do_print_to_mapfile): New function.
10778         (Output_data_got::do_print_to_mapfile): New function.
10779         (Output_data_dynamic::do_print_to_mapfile): New function.
10780         (Output_symtab_xindex::do_print_to_mapfile): New function.
10781         (class Output_section): Declare do_print_to_mapflie.  Declare
10782         print_to_mapfile in Input_section.
10783         (class Output_segment): Declare new functions.
10784         * object.h (Sized_relobj::symbol_count): New function.
10785         * script-sections.cc
10786         (Output_section_element_dot_assignment::set_section_addresses):
10787         Change Output_data_fixed_space to Output_data_zero_fill.
10788         (Output_data_expression::do_print_to_mapfile): New function.
10789         * script.cc (read_input_script): Add mapfile parameter.  Change
10790         all callers.
10791         * script.h (read_input_script): Update declaration.
10792         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10793         (Eh_frame::do_print_to_mapfile): New function.
10794         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10795         (Output_merge_string::do_print_to_mapfile): New function.
10796         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10797         function.
10798         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10799         function.
10800         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10801         function.
10802         * Makefile.am (CCFILES): Add mapfile.cc.
10803         (HFILES): Add mapfile.h.
10804         * Makefile.in: Rebuild.
10805
10806 2008-05-19  Ian Lance Taylor  <iant@google.com>
10807
10808         * options.h (class General_options): Add -z relro.
10809         * layout.cc (Layout::Layout): Initialize relro_segment_.
10810         (Layout::add_output_section_data): Return the output section.
10811         (Layout::make_output_section): Rcognize relro sections and mark
10812         them appropriately.
10813         (Layout::attach_allocated_section_to_segment): Put relro sections
10814         in a PT_GNU_RELRO segment.
10815         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10816         section as relro.
10817         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10818         PT_TLS segments.
10819         (Layout::linkonce_mapping): Map d.rel.ro.local to
10820         .data.rel.ro.local.
10821         (Layout::output_section_name): Us .data.rel.ro.local for any
10822         section which begins with that.
10823         * layout.h (class Layout): Update add_output_section_data
10824         declaration.  Add relro_segment_ field.
10825         * output.cc (Output_section::Output_section): Initialize is_relro_
10826         and is_relro_local_ fields.
10827         (Output_segment::add_output_section): Group relro sections.
10828         (Output_segment::is_first_section_relro): New function.
10829         (Output_segment::maximum_alignment): If there is a relro section,
10830         align the segment to the common page size.
10831         (Output_segment::set_section_addresses): Track whether we are
10832         looking at relro sections.  If the last section is a relro
10833         section, align to the common page size.
10834         (Output_segment::set_section_list_addresses): Add in_relro
10835         parameter.  Change all callers.  Align to the page size when
10836         moving from relro to non-relro section.
10837         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10838         segment.
10839         * output.h (class Output_section): Add is_relro_ and
10840         is_relro_local_ fields.
10841         (Output_section::is_relro): New function.
10842         (Output_section::set_is_relro): New function.
10843         (Output_section::is_relro_local): New function.
10844         (Output_section::set_is_relro_local): New function.
10845         (class Output_segment): Update declarations.
10846         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10847         * sparc.cc (Target_sparc::got_section): Likewise.
10848         * x86_64.cc (Target_x86_64::got_section): Likewise.
10849         * testsuite/relro_test_main.cc: New file.
10850         * testsuite/relro_test.cc: New file.
10851         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10852         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10853         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10854         (relro_test.so, relro_test_pic.o): New targets.
10855         * testsuite/Makefile.in: Rebuild.
10856
10857 2008-05-16  Ian Lance Taylor  <iant@google.com>
10858
10859         * output.cc (Output_segment::add_output_section): Remove front
10860         parameter.
10861         * output.h (class Output_segment): Remove
10862         add_initial_output_section and overloaded add_output_section.
10863         Update declaration of remaining add_output_section.
10864         * layout.cc (Layout::create_interp): Call add_output_section
10865         rather than add_initial_output_section.
10866         (Layout::finish_dynamic_section): Likewise.
10867
10868         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10869         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10870         know the dynamic type.
10871         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10872         field.  Initialize it in constructor.
10873         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10874         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10875         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10876         reloc.
10877
10878         * output.cc (Output_reloc::get_address): Change return type to
10879         Elf_Addr.
10880         * output.h (class Output_reloc): Update get_address declaration.
10881         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10882         for section addresses.
10883
10884 2008-05-09  Ian Lance Taylor  <iant@google.com>
10885
10886         PR 6493
10887         * gold.cc (gold_nomem): Use return value of write.
10888
10889 2008-05-08  Ian Lance Taylor  <iant@google.com>
10890
10891         * symtab.c (Symbol::init_base_output_data): Add version
10892         parameter.  Change all callers.
10893         (Symbol::init_base_output_segment): Likewise.
10894         (Symbol::init_base_constant): Likewise.
10895         (Symbol::init_base_undefined): Likewise.
10896         (Sized_symbol::init_output_data): Likewise.
10897         (Sized_symbol::init_output_segment): Likewise.
10898         (Sized_symbol::init_constant): Likewise.
10899         (Sized_symbol::init_undefined): Likewise.
10900         (Symbol_table::do_define_in_output_data): If the new symbol has a
10901         version, mark it as the default.
10902         (Symbol_table::do_define_in_output_segment): Likewise.
10903         (Symbol_table::do_define_as_constant): Likewise.
10904         * symtab.h (class Symbol): Update declarations.
10905         (class Sized_symbol): Likewise.
10906         * resolve.cc (Symbol::override_version): New function.
10907         (Symbol::override_base): Call override_version.
10908         (Symbol::override_base_with_special): Likewise.
10909         * testsuite/ver_script_8.script: New file.
10910         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10911         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10912         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10913         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10914
10915 2008-05-06  Ian Lance Taylor  <iant@google.com>
10916
10917         PR 6049
10918         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10919         functions.
10920         (class General_options): Remove existing --undefined, and add
10921         --no-undefined instead.  Add new --undefined as synonym for -u.
10922         * archive.cc (Archive::add_symbols): Check whether symbol was
10923         named with -u.
10924         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10925         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10926         all uses.  Add IS_UNDEFINED.  Update declarations to split
10927         different versions of init_base.  Declare init_base_undefined.
10928         (Symbol::is_defined): Handle IS_UNDEFINED.
10929         (Symbol::is_undefined): Likewise.
10930         (Symbol::is_weak_undefined): Call is_undefined.
10931         (Symbol::is_absolute): Handle IS_CONSTANT.
10932         (class Sized_symbol): Update declarations to split different
10933         versions of init.  Declare init_undefined.
10934         (class Symbol_table): Declare new functions.
10935         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10936         Change all callers.
10937         (Symbol::init_base_output_data): Likewise.
10938         (Symbol::init_base_output_segment): Likewise.
10939         (Symbol::init_base_constant): Likewise.
10940         (Symbol::init_base_undefined): New function.
10941         (Sized_symbol::init_object): Rename from init.  Change all
10942         callers.
10943         (Sized_symbol::init_output_data): Likewise.
10944         (Sized_symbol::init_output_segment): Likewise.
10945         (Sized_symbol::init_constant): Likewise.
10946         (Sized_symbol::init_undefined): New function.
10947         (Symbol_table::add_undefined_symbols_from_command_line): New
10948         function.
10949         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10950         function.
10951         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10952         (Symbol::output_section): Likewise.
10953         (Symbol::set_output_section): Likewise.
10954         (Symbol_table::sized_finalize_symbol): Likewise.
10955         (Symbol_table::sized_write_globals): Likewise.
10956         * resolve.cc (Symbol_table::should_override): Likewise.
10957         (Symbol::override_base_with_special): Likewise.
10958
10959         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10960         symbol, change it to have default visibility.
10961         * testsuite/protected_1.cc: New file.
10962         * testsuite/protected_2.cc: New file.
10963         * testsuite/protected_3.cc: New file.
10964         * testsuite/protected_main_1.cc: New file.
10965         * testsuite/protected_main_2.cc: New file.
10966         * testsuite/protected_main_3.cc: New file.
10967         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10968         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10969         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10970         (protected_1.so): New target.
10971         (protected_1_pic.o, protected_2_pic.o): New targets.
10972         (protected_3_pic.o): New target.
10973         (check_PROGRAMS): Add protected_2.
10974         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10975         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10976         * testsuite/Makefile.in: Rebuild.
10977
10978         * options.h (DEFINE_var): Add set_user_set_##varname__.
10979         (DEFINE_bool_alias): New macro.
10980         (class General_options): Define -Bstatic using DEFINE_bool_alias
10981         rather than DEFINE_special.  Add --undefined as an alias for -z
10982         defs.
10983         * options.cc (General_options::parse_Bstatic): Remove.
10984
10985         * options.h (class General_options): Add --fatal-warnings.
10986         * main.cc (main): Implement --fatal-warnings.
10987         * errors.h (Errors::warning_count): New function.
10988
10989         * options.h (class General_options): Add -Bsymbolic-functions.
10990         * symtab.h (Symbol::is_preemptible): Check for
10991         -Bsymbolic-functions.
10992
10993 2008-05-05  Ian Lance Taylor  <iant@google.com>
10994
10995         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10996         as noVARNAME rather than no-VARNAME.
10997         (class General_options): Add option -z combreloc.
10998         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10999         get_address.
11000         (Output_reloc::sort_before) [SHT_REL]: New function.
11001         (Output_reloc::sort_before) [SHT_RELA]: New function.
11002         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11003         Sort_relocs_comparison.
11004         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11005         parameter.  Change all callers.
11006         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11007         sort_relocs parameter.  Change all callers.
11008         * output.cc (Output_reloc::get_address): New function, broken out
11009         of write_rel.
11010         (Output_reloc::write_rel): Call it.
11011         (Output_reloc::compare): New function.
11012         (Output_data_reloc_base::do_write): Optionally sort relocs.
11013
11014         * configure.ac: If targ_extra_obj is set, link it in.
11015         * configure.tgt: Initialize all variables.
11016         (x86_64*): Set targ_extra_obj and targ_extra_size.
11017         * configure: Rebuild.
11018
11019         * object.cc (Sized_relobj::include_section_group): Adjust section
11020         indexes read from group data.  Build vector to pass to
11021         layout_group.
11022         * layout.cc (Layout::layout_group): Add flags and shndxes
11023         parameters.  Remove contents parameter.  Change caller.  Update
11024         explicit instantiations.
11025         * layout.h (class Layout): Update layout_group declaration.
11026         * output.cc (Output_data_group::Output_data_group): Add flags and
11027         input_shndxes parameters.  Remove contents parameter.  Change
11028         caller.
11029         (Output_data_group::do_write): Change input_sections_ to
11030         input_shndxes_.
11031         * output.h (class Output_data_group): Update constructor
11032         declaration.  Rename input_sections_ to input_shndxes_.
11033         * testsuite/many_sections_test.cc: Add template.
11034
11035 2008-04-30  Cary Coutant  <ccoutant@google.com>
11036
11037         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11038
11039         * layout.cc (Layout::include_section): Refactored check for debug
11040         info section.
11041         (Layout::add_comdat): Add new parameters.  Change type
11042         of signature parameter.  Add object and shndx to signatures table.
11043         (Layout::find_kept_object): New function.
11044         * layout.h: Include <cstring>.
11045         (Layout::is_debug_info_section): New function.
11046         (Layout::add_comdat): Add new parameters.
11047         (Layout::find_kept_object): New function.
11048         (Layout::Kept_section): New struct.
11049         (Layout::Signatures): Change type of map range.
11050         * object.cc (Relobj::output_section_address): New function.
11051         (Sized_relobj::include_section_group): Add new parameters.  Change
11052         calls to Layout::add_comdat.  Change to build table of kept comdat
11053         groups and table mapping discarded sections to kept sections.
11054         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11055         (Sized_relobj::do_layout): Change calls to include_section_group and
11056         include_linkonce_section.
11057         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11058         value to zero when section is discarded.
11059         (Sized_relobj::map_to_kept_section): New function.
11060         * object.h (Relobj::output_section_address): New function.
11061         (Relobj::Comdat_group): New type.
11062         (Relobj::find_comdat_group): New function.
11063         (Relobj::Comdat_group_table): New type.
11064         (Relobj::Kept_comdat_section): New type.
11065         (Relobj::Kept_comdat_section_table): New type.
11066         (Relobj::add_comdat_group): New function.
11067         (Relobj::set_kept_comdat_section): New function.
11068         (Relobj::get_kept_comdat_section): New function.
11069         (Relobj::comdat_groups_): New field.
11070         (Relobj::kept_comdat_sections_): New field.
11071         (Symbol_value::input_value): Update comment.
11072         (Sized_relobj::map_to_kept_section) New function.
11073         (Sized_relobj::include_linkonce_section): Add new parameter.
11074         * target-reloc.h (Comdat_behavior): New type.
11075         (get_comdat_behavior): New function.
11076         (relocate_section): Add code to map a discarded section to the
11077         corresponding kept section when applying a relocation.
11078
11079 2008-04-30  Craig Silverstein  <csilvers@google.com>
11080
11081         * dwarf_reader.cc (next_generation_count): New static var.
11082         (Addr2line_cache_entry): New struct.
11083         (addr2line_cache): New static var.
11084         (Dwarf_line_info::one_addr2line): Added caching.
11085         (Dwarf_line_info::clear_addr2line_cache): New function.
11086         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11087         cache-size parameter.
11088         (Dwarf_line_info::one_addr2line_cache): New function.
11089         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11090         new cache-size argument to one_addr2line(), and clear cache.
11091
11092 2008-04-28  Cary Coutant  <ccoutant@google.com>
11093
11094         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11095         R_386_PC8 relocations.
11096
11097 2008-04-23  Ian Lance Taylor  <iant@google.com>
11098
11099         * object.cc (Sized_relobj::include_section_group): Check for
11100         invalid section group.
11101
11102         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11103         header size.
11104
11105         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11106         than read for file header.
11107         * archive.cc (Archive::include_member): Likewise.
11108
11109 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11110
11111         * aclocal.m4: Regenerate.
11112         * configure: Regenerate.
11113
11114 2008-04-19  Ian Lance Taylor  <iant@google.com>
11115
11116         * version.cc (version_string): Bump to 1.6.
11117
11118         * testsuite/Makefile.am (many_sections_r_test): New target.
11119         (many_sections_r_test_SOURCES): Remove.
11120         (many_sections_r_test_DEPENDENCIES): Remove.
11121         (many_sections_r_test_LDFLAGS): Remove.
11122         (many_sections_r_test_LDADD): Remove.
11123
11124         * object.cc (Sized_relobj::do_add_symbols): Always pass
11125         local_symbol_count_ to add_from_relobj.
11126
11127         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11128         every thousand variables.
11129         * testsuite/Makefile.in: Rebuild.
11130
11131         * object.cc (Xindex::initialize_symtab_xindex): New function.
11132         (Xindex::read_symtab_xindex): New function.
11133         (Xindex::sym_xindex_to_shndx): New function.
11134         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11135         available.
11136         (Sized_relobj::do_initialize_xindex): New function.
11137         (Sized_relobj::do_read_symbols): Adjust section links.
11138         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11139         parameter.  Change all callers.
11140         (Sized_relobj::include_section_group): Adjust section links and
11141         symbol section indexes.
11142         (Sized_relobj::do_layout): Adjust section links.
11143         (Sized_relobj::do_count_local_symbols): Adjust section links and
11144         symbol section indexes.
11145         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11146         ordinary and special symbols.
11147         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11148         dynsym_xindex parameters.  Change all callers.  Adjust section
11149         links.  Use SHN_XINDEX when needed.
11150         (Sized_relobj::get_symbol_location_info): Adjust section links.
11151         Don't get fooled by special symbols.
11152         * object.h (class Xindex): Define.
11153         (class Object): Add xindex_ parameter.  Declare virtual functoin
11154         do_initialize_xindex.
11155         (Object::adjust_sym_shndx): New function.
11156         (Object::set_xindex): New protected function.
11157         (class Symbol_value): Add is_ordinary_shndx_ field.
11158         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11159         (Symbol_value::value): Assert ordinary section.
11160         (Symbol_value::initialize_input_to_output_map): Likewise.
11161         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11162         Change all callers.
11163         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11164         all callers.
11165         (class Sized_relobj): Update declarations.
11166         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11167         parameter.  Change all callers.
11168         (Sized_relobj::adjust_shndx): New function.
11169         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11170         field.
11171         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11172         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11173         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11174         (Sized_dynobj::read_dynsym_section): Adjust section links.
11175         (Sized_dynobj::read_dynamic): Likewise.
11176         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11177         section links.
11178         (Sized_dynobj::do_initialize_xindex): New function.
11179         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11180         do_initialize_xindex.
11181         (Sized_dynobj::adjust_shndx): New function.
11182         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11183         dynsym_xindex_ fields.
11184         (Layout::finalize): Add a call to set_section_indexes before
11185         creating the symtab sections.
11186         (Layout::set_section_indexes): Don't do anything if the section
11187         already has a section index.
11188         (Layout::create_symtab_sections): Add shnum parameter.  Change
11189         caller.  Create .symtab_shndx section if needed.
11190         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11191         caller.
11192         (Layout::allocated_output_section_count): New function.
11193         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11194         needed.
11195         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11196         fields.  Update declarations.
11197         (Layout::symtab_xindex): New function.
11198         (Layout::dynsym_xindex): New function.
11199         (class Write_symbols_task): Add layout_ field.
11200         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11201         Change caller.
11202         * output.cc (Output_section_headers::Output_section_headers): Add
11203         shstrtab_section parameter.  Change all callers.
11204         (Output_section_headers::do_sized_write): Store overflow values
11205         for section count and section string table section index in
11206         section header zero.
11207         (Output_file_header::do_sized_write): Check for overflow of
11208         section count and section string table section index.
11209         (Output_symtab_xindex::do_write): New function.
11210         (Output_symtab_xindex::endian_do_write): New function.
11211         * output.h (class Output_section_headers): Add shstrtab_section_.
11212         Update declarations.
11213         (class Output_symtab_xindex): Define.
11214         (Output_section::has_out_shndx): New function.
11215         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11216         field.
11217         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11218         Change all callers.
11219         (Sized_symbol::init): Likewise.
11220         (Symbol::output_section): Check for ordinary symbol.
11221         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11222         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11223         callers.
11224         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11225         Change all callers.  Simplify handling of symbols from sections
11226         not included in the link.
11227         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11228         distinction.
11229         (Weak_alias_sorter::operator()): Assert that symbols are
11230         ordinary.
11231         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11232         distinction.
11233         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11234         parameters.  Change all callers.
11235         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11236         symbol distinction.  Use SHN_XINDEX when needed.
11237         (Symbol_table::write_section_symbol): Add symtab_xindex
11238         parameter.  Change all callers.
11239         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11240         SHN_XINDEX when needed.
11241         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11242         declarations.
11243         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11244         (Symbol::is_defined): Check is_ordinary.
11245         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11246         (Symbol::is_absolute, Symbol::is_common): Likewise.
11247         (class Sized_symbol): Update declarations.
11248         (class Symbol_table): Update declarations.
11249         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11250         parameters.  Change all callers.
11251         (Sized_symbol::override): Likewise.
11252         (Symbol_table::override): Likewise.
11253         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11254         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11255         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11256         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11257         to be in an ordinary section.
11258         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11259         object and is_ordinary parameters.  Change all callers.
11260         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11261         Change all callers.  Don't add undefined or non-ordinary symbols
11262         to reloc_map_.
11263         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11264         Change all callers.
11265         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11266         declarations.
11267         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11268         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11269         (Sized_relobj::relocate_sections): Likewise.
11270         * target-reloc.h (scan_relocs): Adjust section symbol index.
11271         (scan_relocatable_relocs): Likewise.
11272         * i386.cc (Scan::local): Check for ordinary symbols.
11273         * sparc.cc (Scan::local): Likewise.
11274         * x86_64.cc (Scan::local): Likewise.
11275         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11276         to symbol_section_and_value.
11277         * testsuite/many_sections_test.cc: New file.
11278         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11279         (check_PROGRAMS): Add many_sections_test.
11280         (many_sections_test_SOURCES): Define.
11281         (many_sections_test_DEPENDENCIES): Define.
11282         (many_sections_test_LDFLAGS): Define.
11283         (BUILT_SOURCES): Add many_sections_define.h.
11284         (many_sections_define.h): New target.
11285         (BUILT_SOURCES): Add many_sections_check.h.
11286         (many_sections_check.h): New target.
11287         (check_PROGRAMS): Add many_sections_r_test.
11288         (many_sections_r_test_SOURCES): Define.
11289         (many_sections_r_test_DEPENDENCIES): Define.
11290         (many_sections_r_test_LDFLAGS): Define.
11291         (many_sections_r_test_LDADD): Define.
11292         (many_sections_r_test.o): New target.
11293         * testsuite/Makefile.in: Rebuild.
11294
11295 2008-04-17  Cary Coutant  <ccoutant@google.com>
11296
11297         * errors.cc (Errors::info): New function.
11298         (gold_info): New function.
11299         * errors.h (Errors::info): New function.
11300         * gold.h (gold_info): New function.
11301         * object.cc (Input_objects::add_object): Print trace output.
11302         * options.cc (options::parse_set): New function.
11303         (General_options::parse_wrap): Deleted.
11304         (General_options::General_options): Deleted initializer.
11305         * options.h (options::String_set): New typedef.
11306         (options::parse_set): New function.
11307         (DEFINE_set): New macro.
11308         (General_options::wrap): Changed to use DEFINE_set. Changed
11309         callers of any_wrap_symbols and is_wrap_symbol.
11310         (General_options::trace, General_options::trace_symbol):
11311         New options.
11312         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11313         (General_options::wrap_symbols_): Deleted.
11314         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11315
11316 2008-04-17  David S. Miller  <davem@davemloft.net>
11317
11318         * options.cc (General_options::parse_V): New function.
11319         * options.h: Add entries for -V and -Qy.
11320
11321 2008-04-17  Ian Lance Taylor  <iant@google.com>
11322
11323         * common.cc (Symbol_table::allocate_commons): Remove options
11324         parameter.  Change caller.
11325         (Symbol_table::do_allocate_commons): Remove options parameter.
11326         Change caller.  Just call do_allocate_commons_list twice.
11327         (Symbol_table::do_allocate_commons_list): New function, broken out
11328         of do_allocate_commons.
11329         * common.h (class Allocate_commons_task): Remove options_ field.
11330         Update constructor.
11331         * symtab.cc (Symbol_table::Symbol_table): Initialize
11332         tls_commons_.
11333         (Symbol_table::add_from_object): Put TLS common symbols on
11334         tls_commons_ list.
11335         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11336         which are IN_OUTPUT_DATA.
11337         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11338         allocate_commons and do_allocate_commons declarations.  Declare
11339         do_allocate_commons_list.
11340         * gold.cc (queue_middle_tasks): Update creation of
11341         Allocate_commons_task to not pass options.
11342         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11343         (TLS_TEST_C_FLAGS): New variable.
11344         (tls_test_c_pic.o): New target.
11345         (tls_test_shared.so): Link in tls_test_c_pic.o.
11346         (tls_test_c_pic_ie.o): New target.
11347         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11348         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11349         (tls_test_c.o): New target.
11350         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11351         (tls_pic_test_LDADD): Likewise.
11352         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11353         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11354         (tls_test_c_gnu2.o): New target.
11355         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11356         tls_test_c_gnu2.o.
11357         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11358         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11359         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11360         * testsuite/tls_test.cc: Include "config.h".
11361         (t_last): Call t11_last.
11362         * testsuite/tls_test.h (t11, t11_last): Declare.
11363         * testsuite/tls_test_c.c: New file.
11364         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11365         * configure.ac: Check for OpenMP support.
11366         * configure, config.in, Makefile.in: Rebuild.
11367         * testsuite/Makefile.in: Rebuild.
11368
11369 2008-04-16  Cary Coutant  <ccoutant@google.com>
11370
11371         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11372         (Target_i386::tls_base_symbol_defined_): New field.
11373         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11374         (Target_i386::Scan::global): Likewise.
11375         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11376         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11377         (Target_x86_64::tls_base_symbol_defined_): New field.
11378         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11379         (Target_x86_64::Scan::global): Likewise.
11380
11381 2008-04-16  Cary Coutant  <ccoutant@google.com>
11382
11383         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11384         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11385         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11386         building shared libraries.
11387         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11388         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11389         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11390         * testsuite/Makefile.in: Rebuild.
11391         * testsuite/weak_undef.h: New file.
11392         * testsuite/weak_undef_file1.cc: Add extra test cases.
11393         * testsuite/weak_undef_file2.cc: Likewise.
11394         * testsuite/weak_undef_test.cc: Likewise.
11395
11396 2008-04-16  David S. Miller  <davem@davemloft.net>
11397
11398         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11399         Add issued_non_pic_error_ field.  Declare check_non_pic.
11400         (Target_sparc::Scan::check_non_pic): New function.
11401         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11402         (Target_sparc::Scan::global): Likewise.
11403
11404         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11405         * configure: Rebuild.
11406
11407         * options.h (DEFINE_enable): New macro.
11408         (new_dtags): New enable option.
11409         (initfirst, interpose, loadfltr, nodefaultlib,
11410         nodelete, nodlopen, nodump): New -z options.
11411         * layout.cc (Layout:finish_dynamic_section): If new
11412         dtags enabled, emit DT_RUNPATH.  Also, emit a
11413         DT_FLAGS_1 containing any specified -z flags.
11414
11415 2008-04-16  Ian Lance Taylor  <iant@google.com>
11416
11417         * copy-relocs.cc: New file.
11418         * copy-relocs.h: New file.
11419         * reloc.cc: Remove Copy_relocs code.
11420         * reloc.h: Likewise.
11421         * reloc-types.h (struct Reloc_types) [both versions]: Add
11422         get_reloc_addend_noerror.
11423         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11424         variants of add_global which take an addend which must be zero.
11425         * i386.cc: Include "copy-relocs.h".
11426         (class Target_i386): Change type of copy_relocs_ to variable,
11427         update initializer.
11428         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11429         Change all callers.
11430         (Target_i386::do_finalize_sections): Change handling of
11431         copy_relocs_.
11432         * sparc.cc: Include "copy-relocs.h".
11433         (class Target_sparc): Change type of copy_relocs_ to variable,
11434         update initializer.
11435         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11436         Change all callers.
11437         (Target_sparc::do_finalize_sections): Change handling of
11438         copy_relocs_.
11439         * x86_64.cc: Include "copy-relocs.h".
11440         (class Target_x86_64): Change type of copy_relocs_ to variable,
11441         update initializer.
11442         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11443         class.  Change all callers.
11444         (Target_x86_64::do_finalize_sections): Change handling of
11445         copy_relocs_.
11446         * Makefile.am (CCFILES): Add copy-relocs.cc.
11447         (HFILES): Add copy-relocs.h.
11448
11449         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11450
11451         * testsuite/script_test_4.sh: Permit leading zeroes.
11452
11453 2008-04-15  Ian Lance Taylor  <iant@google.com>
11454
11455         * script-sections.cc (Script_sections::create_segments): Use
11456         header_size_adjustment even when there is enough room for the
11457         headers.
11458         * testsuite/script_test_4.sh: New file.
11459         * testsuite/script_test_4.t: New file.
11460         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11461         (check_DATA): Add script_test_4.stdout.
11462         (MOSTLYCLEANFILES): Likewise.
11463         (script_test_4): New target.
11464         (script_test_4.stdout): New target.
11465         * testsuite/Makefile.in: Rebuild.
11466
11467         * sparc.cc: Add definitions for Output_data_plt_sparc class
11468         constants.
11469
11470 2008-04-14  David S. Miller  <davem@davemloft.net>
11471
11472         * sparc.cc: New file.
11473         * Makefile.am (TARGETSOURCES): Add sparc.cc
11474         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11475         * configure.tgt: Document targ_extra_size and
11476         targ_extra_big_endian.  Add entries for sparc-* and
11477         sparc64-*.
11478         * configure.ac: Handle targ_extra_size and
11479         targ_extra_big_endian.
11480         * Makefile.in: Rebuild.
11481         * configure: Likewise.
11482         * po/POTFILES.in: Likewise.
11483         * po/gold.pot: Likewise.
11484
11485 2008-04-14  Ian Lance Taylor  <iant@google.com>
11486
11487         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11488         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11489         in the name/type/flags to section mapping.  Don't call
11490         allocate_output_section.
11491         (Layout::choose_output_section): Change parameter from adjust_name
11492         to is_input_section.  Don't permit input sections after sections
11493         are attached to segments.  Don't call allocate_output_section.
11494         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11495         not write_enable_output_section.
11496         (Layout::make_output_section): Don't push to
11497         unattached_section_list_ nor call attach_to_segment.  Call
11498         attach_section_to_segment if sections are attached.
11499         (Layout::attach_sections_to_segments): New function.
11500         (Layout::attach_section_to_segment): New function.
11501         (Layout::attach_allocated_section_to_segment): Rename from
11502         attach_to_segment.  Remove flags parameter.
11503         (Layout::allocate_output_section): Remove function.
11504         (Layout::write_enable_output_section): Remove function.
11505         * layout.h (class Layout): Update for above changes.  Add new
11506         field sections_are_attached_.
11507         * output.h (Output_section::update_flags_for_input_section): New
11508         function.
11509         * output.cc (Output_section::add_input_section): Call
11510         update_flags_for_input_section.
11511         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11512
11513 2008-04-11  Cary Coutant  <ccoutant@google.com>
11514
11515         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11516         thought unnecessary.
11517         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11518
11519 2008-04-11  Ian Lance Taylor  <iant@google.com>
11520
11521         * output.h (class Output_section_data): Remove inline definition
11522         of set_addralign.
11523         * output.cc (Output_section_data::set_addralign): New function.
11524
11525 2008-04-11  Cary Coutant  <ccoutant@google.com>
11526
11527         Add support for TLS descriptors for i386 and x86_64.
11528         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11529         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11530         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11531         GOT_TYPE_TLS_DESC.
11532         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11533         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11534         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11535         relocations.
11536         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11537         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11538         Fix problem with initial-exec relocations.
11539         (Target_i386::Relocate::relocate_tls): Likewise.
11540         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11541         relaxation.
11542         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11543         support for section-plus-offset dynamic table entries.
11544         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11545         (Output_data_dynamic::Dynamic_entry): Add support for
11546         section-plus-offset dynamic table entries.
11547         (Output_data_dynamic::Classification): Likewise.
11548         (Output_data_dynamic::classification_): Renamed offset_.
11549         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11550         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11551         (Target_x86_64::make_plt_section): New function.
11552         (Target_x86_64::reserve_tlsdesc_entries): New function.
11553         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11554         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11555         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11556         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11557         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11558         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11559         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11560         add extra PLT entry for TLS descriptors.
11561         (Output_data_plt_x86_64::got_): New field.
11562         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11563         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11564         fields.
11565         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11566         descriptors.
11567         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11568         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11569         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11570         R_386_TLS_DESC_CALL relocations.
11571         (Target_x86_64::Scan::global): Likewise.
11572         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11573         for TLS descriptors.
11574         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11575         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11576         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11577         GD-to-IE relaxation.
11578         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11579         and TLS_DESCRIPTORS.
11580         * Makefile.in: Rebuild.
11581         * configure: Rebuild.
11582         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11583         (tls_test_shared2.so): New target.
11584         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11585         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11586         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11587         (tls_shared_gd_to_ie_test_LDADD): New variable.
11588         (tls_shared_gnu2_gd_to_ie_test): New target.
11589         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11590         New targets.
11591         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11592         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11593         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11594         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11595         (tls_shared_gnu2_test): New target.
11596         (tls_test_gnu2_shared.so): New target.
11597         (tls_shared_gnu2_test_SOURCES): New variable.
11598         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11599         (tls_shared_gnu2_test_LDFLAGS): New variable.
11600         (tls_shared_gnu2_test_LDADD): New variable.
11601         * testsuite/Makefile.in: Rebuild.
11602         * testsuite/Makefile.
11603
11604 2008-04-11  Ian Lance Taylor  <iant@google.com>
11605
11606         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11607         justsyms.t.
11608         * testsuite/Makefile.in: Rebuild.
11609
11610         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11611         long.
11612         * testsuite/script_test_2.cc (main): Adjust test.
11613
11614 2008-04-11  David S. Miller  <davem@davemloft.net>
11615             Ian Lance Taylor  <iant@google.com>
11616
11617         * options.h (General_options): Add entries for '-Y' and
11618         '-relax'.
11619         * options.cc (General_options:finalize): If -Y was used, add those
11620         entries to the library path instead of the default "/lib" and
11621         "/usr/lib".
11622
11623 2008-04-11  David S. Miller  <davem@davemloft.net>
11624
11625         * testsuite/justsyms.t: Start at 0x100.
11626         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11627         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11628         long.
11629         * testsuite/script_test_2.cc: Adjust string and section length
11630         checks.
11631
11632 2008-04-09  Ian Lance Taylor  <iant@google.com>
11633
11634         PR gold/5996
11635         * script-sections.cc (Sections_element::allocate_to_segment): Add
11636         orphan parameter.
11637         (Output_section_definition::allocate_to_segment): Likewise.
11638         (Orphan_output_section::allocate_to_segment): Likewise.
11639         (Script_sections::attach_sections_using_phdrs_clause): Don't
11640         propagate non-PT_LOAD segments to orphan sections.
11641         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11642         readelf rather than objdump.
11643         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11644         .interp section and PT_INTERP segment are the same size.
11645         * testsuite/Makefile.in: Rebuild.
11646
11647         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11648         aliases for symbols defined in the same object.
11649         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11650         (weak_alias_test_SOURCES): New variable.
11651         (weak_alias_test_DEPENDENCIES): New variable.
11652         (weak_alias_test_LDFLAGS): New variable.
11653         (weak_alias_test_LDADD): New variable.
11654         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11655         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11656         (weak_alias_test_3.o): New target.
11657         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11658         * testsuite/weak_alias_test_main.cc: New file.
11659         * testsuite/weak_alias_test_1.cc: New file.
11660         * testsuite/weak_alias_test_2.cc: New file.
11661         * testsuite/weak_alias_test_3.cc: New file.
11662
11663 2008-04-08  Ian Lance Taylor  <iant@google.com>
11664
11665         * options.h (class General_options): Add --noinhibit-exec option.
11666         * main.cc (main): Check --noinhibit-exec.
11667
11668         * options.h (class General_options): Define --wrap as a special
11669         option.  Add wrap_symbols_ field.
11670         (General_options::any_wrap_symbols): New function.
11671         (General_options::is_wrap_symbol): New function.
11672         * options.cc (General_options::parse_wrap): New function.
11673         (General_options::General_options): Initialize wrap_symbols_.
11674         * symtab.cc (Symbol_table::wrap_symbol): New function.
11675         (Symbol_table::add_from_object): Handle --wrap.
11676         * symtab.h (class Symbol_table): Declare wrap_symbol.
11677         * target.h (Target::wrap_char): New function.
11678         (Target::Target_info): Add wrap_char field.
11679         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11680         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11681         * testsuite/testfile.cc (Target_test::test_target_info):
11682         Likewise.
11683
11684         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11685         there is one.
11686
11687         * layout.h (class Layout): Add added_eh_frame_data_ field.
11688         * layout.cc (Layout::Layout): Initialize new field.
11689         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11690         output section until we find a section we merged successfully.
11691         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11692         that the size be non-zero.
11693
11694         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11695         qualifier.
11696
11697 2008-04-08  Craig Silverstein  <csilvers@google.com>
11698
11699         * configure.ac: Export new conditional variable HAVE_ZLIB.
11700         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11701         on HAVE_ZLIB.
11702         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11703         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11704
11705 2008-04-07  Ian Lance Taylor  <iant@google.com>
11706
11707         * version.cc (version_string): Set to "1.5".
11708
11709         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11710         Add issued_non_pic_error_ field.  Declare check_non_pic.
11711         (Target_x86_64::Scan::check_non_pic): New function.
11712         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11713         (Target_x86_64::Scan::global): Likewise.
11714
11715         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11716         addend parameter.  Change caller.  Handle merge sections.
11717         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11718         Address to Addend.  Don't add in the result of
11719         local_section_offset, pass down the addend and use the returned
11720         value.
11721         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11722         Update declarations of local_section_offset and symbol_value.
11723         * testsuite/two_file_test_1.cc (t18): New function.
11724         * testsuite/two_file_test_2.cc (f18): New function.
11725         * testsuite/two_file_test_main.cc (main): Call t18.
11726         * testsuite/two_file_test.h (t18, f18): Declare.
11727
11728         * configure.ac: Don't test for objdump, c++filt, or readelf.
11729         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11730         conditionals.
11731         (TEST_READELF): New variable.
11732         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11733         (check_PROGRAMS): Add two_file_strip_test.
11734         (two_file_strip_test): New target.
11735         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11736         (two_file_same_shared_strip_test_SOURCES): New variable.
11737         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11738         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11739         (two_file_same_shared_strip_test_LDADD): New variable.
11740         (two_file_shared_strip.so): New target.
11741         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11742         (ver_test_5.syms, ver_test_7.syms): Likewise.
11743         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11744         (strip_test_3.stdout): Use TEST_OBJDUMP.
11745         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11746
11747 2008-04-04  Cary Coutant  <ccoutant@google.com>
11748
11749         * symtab.h (Symbol::is_weak_undefined): New function.
11750         (Symbol::is_strong_undefined): New function.
11751         (Symbol::is_absolute): New function.
11752         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11753         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11754         absolute symbols.
11755         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11756         (weak_undef_test): New target.
11757         * testsuite/Makefile.in: Rebuild.
11758         * testsuite/weak_undef_file1.cc: New file.
11759         * testsuite/weak_undef_file2.cc: New file.
11760         * testsuite/weak_undef_test.cc: New file.
11761
11762 2008-04-03  Craig Silverstein  <csilvers@google.com>
11763
11764         * compressed_output.h (class Output_compressed_section): Use
11765         unsigned buffer.
11766         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11767         add zlib header.
11768         (zlib_compressed_suffix): Removed.
11769         (Output_compressed_section::set_final_data_size): Use unsigned
11770         buffers.
11771         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11772         Fix linker invocation.
11773         (flagstest_o_specialfile_and_compress_debug_sections):
11774         Likewise.
11775         * testsuite/Makefile.in: Regenerated.
11776
11777 2008-04-02  David S. Miller  <davem@davemloft.net>
11778
11779         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11780         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11781
11782 2008-04-02  Craig Silverstein  <csilvers@google.com>
11783
11784         * TODO: New file.
11785
11786 2008-04-02  Ian Lance Taylor  <iant@google.com>
11787
11788         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11789         parameters.  Update for new key type to views_.  Change all
11790         callers.
11791         (File_read::read): Adjust for byteshift in returned view.
11792         (File_read::add_view): New function, broken out of
11793         find_and_make_view.
11794         (File_read::make_view): New function, broken out of
11795         find_and_make_view.
11796         (File_read::find_or_make_view): Add offset and aligned
11797         parameters.  Rewrite accordingly.  Change all callers.
11798         (File_read::get_view): Add offset and aligned parameters.  Adjust
11799         for byteshift in return value.
11800         (File_read::get_lasting_view): Likewise.
11801         * fileread.h (class File_read): Update declarations.
11802         (class File_read::View): Add byteshift_ field.  Add byteshift to
11803         constructor.  Add byteshift method.
11804         * archive.h (Archive::clear_uncached_views): New function.
11805         (Archive::get_view): Add aligned parameter.  Change all callers.
11806         * object.h (Object::get_view): Add aligned parameter.  Change all
11807         callers.
11808         (Object::get_lasting_view): Likewise.
11809
11810         * fileread.cc (File_read::release): Don't call clear_views if
11811         there are multiple objects.
11812         * fileread.h (File_read::clear_uncached_views): New function.
11813         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11814         on the archive.
11815
11816 2008-03-31  Cary Coutant  <ccoutant@google.com>
11817
11818         Add thin archive support.
11819         * archive.cc (Archive::armagt): New const.
11820         (Archive::setup): Remove task parameter and calls to unlock.
11821         (Archive::unlock_nested_archives): New function.
11822         (Archive::read_header): Add nested_off parameter. Change
11823         all callers.
11824         (Archive::interpret_header): Likewise.
11825         (Archive::include_all_members): Change to handle thin
11826         archives.
11827         (Archive::include_member): Likewise.
11828         * archive.h (Archive::Archive): Add new parameters and
11829         initializers.
11830         (Archive::armagt): New const.
11831         (Archive::setup): Remove task parameter.
11832         (Archive::unlock_nested_archives): New function.
11833         (Archive::read_header): Add nested_off parameter.
11834         (Archive::interpret_header): Likewise.
11835         (Archive::Nested_archive_table): New typedef.
11836         (Archive::is_thin_archive_): New field.
11837         (Archive::nested_archives_): New field.
11838         (Archive::options_): New field.
11839         (Archive::dirpath_): New field.
11840         (Archive::task_): New field.
11841         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11842         for thin archives.  Pass additional parameters to
11843         Archive::Archive.  Unlock the archive file after calling
11844         Archive::setup.
11845
11846 2008-03-29  Ian Lance Taylor  <iant@google.com>
11847
11848         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11849         version symbol to be local.
11850         * testsuite/ver_test_4.sh: New file.
11851         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11852         (check_DATA): Add ver_test_4.syms.
11853         (ver_test_4.syms): New target.
11854         * testsuite/Makefile.in: Rebuild.
11855
11856         * output.cc
11857         (Output_section::Input_section_sort_entry::has_priority): New
11858         function.
11859         (Output_section::Input_section_sort_entry::match_file_name): New
11860         function.
11861         (Output_section::Input_section_sort_entry::match_section_name):
11862         Remove.
11863         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11864         Remove.
11865         (Output_section::Input_section_sort_entry::match_section_file):
11866         Remove.
11867         (Output_section::Input_section_sort_compare::operator()): Rewrite
11868         using new Input_section_sort_entry functions.  Sort crtbegin and
11869         crtend first.  Sort sections with no priority before sections with
11870         a priority.
11871         * testsuite/initpri1.c (d3): Check j != 4.
11872         (cd5): New constructor/destructor function.
11873         (main): Check j != 2.
11874
11875         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11876         new symbol when resolving, don't call set_is_default.
11877         * testsuite/ver_test_7.cc: New file.
11878         * testsuite/ver_test_7.sh: New file.
11879         * testsuite/Makefile.am (ver_test_7.so): New target.
11880         (ver_test_7.o): New target.
11881         (check_SCRIPTS): Add ver_test_7.sh.
11882         (check_DATA): Add ver_test_7.syms.
11883         (ver_test_7.syms): New target.
11884
11885 2008-03-28  Ian Lance Taylor  <iant@google.com>
11886
11887         * layout.cc (Layout::layout): If we see an input section with a
11888         name that needs sorting, set the must_sort flag for the output
11889         section.
11890         (Layout::make_output_section): If the name of the output section
11891         indicates that it might require sorting, set the may_sort flag.
11892         * output.h (Output_section::may_sort_attached_input_sections): New
11893         function.
11894         (Output_section::set_may_sort_attached_input_sections): New
11895         function.
11896         (Output_section::must_sort_attached_input_sections): New
11897         function.
11898         (Output_section::set_must_sort_attached_input_sections): New
11899         function.
11900         (class Output_section): Declare Input_section_sort_entry.  Define
11901         Input_section_sort_compare.  Declare
11902         sort_attached_input_sections.  Add new fields:
11903         may_sort_attached_input_sections_,
11904         must_sort_attached_input_sections_,
11905         attached_input_sections_are_sorted_.
11906         * output.cc (Output_section::Output_section): Initialize new
11907         fields.
11908         (Output_section::add_input_section): Add an entry to
11909         input_sections_ if may_sort or must_sort are true.
11910         (Output_section::set_final_data_size): Call
11911         sort_attached_input_sections if necessary.
11912         (Output_section::Input_section_sort_entry): Define new class.
11913         (Output_section::Input_section_sort_compare::operator()): New
11914         function.
11915         (Output_section::sort_attached_input_sections): New function.
11916         * configure.ac: Check whether the compiler supports constructor
11917         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11918         * testsuite/initpri1.c: New file.
11919         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11920         CONSTRUCTOR_PRIORITY.
11921         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11922         (initpri1_LDFLAGS): New variable.
11923         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11924
11925 2008-03-27  Ian Lance Taylor  <iant@google.com>
11926
11927         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11928         * testsuite/common_test_1.c: New file.
11929         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11930         (common_test_1_SOURCES): New variable.
11931         (common_test_1_DEPENDENCIES): New variable.
11932         (common_test_1_LDFLAGS): New variable.
11933
11934         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11935         and commons_ correctly when NAME/VERSION does not override
11936         NAME/NULL.
11937         * testsuite/ver_test_6.c: New file.
11938         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11939         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11940         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11941
11942 2008-03-26  Ian Lance Taylor  <iant@google.com>
11943
11944         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11945         of an undefined symbol from a version script.
11946         * testsuite/Makefile.am (ver_test_5.so): New target.
11947         (ver_test_5.o): New target.
11948         (check_SCRIPTS): Add ver_test_5.sh.
11949         (check_DATA): Add ver_test_5.syms.
11950         (ver_test_5.syms): New target.
11951         * testsuite/ver_test_5.cc: New file.
11952         * testsuite/ver_test_5.script: New file.
11953         * testsuite/ver_test_5.sh: New file.
11954         * Makefile.in, testsuite/Makefile.in: Rebuild.
11955
11956         PR gold/5986
11957         Fix problems building gold with gcc 4.3.0.
11958         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11959         (gold_error_at_location, gold_warning_at_location): Use it.
11960         * configure.ac: Check whether we can compile and use a template
11961         function with a printf attribute.
11962         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11963         when jumping over bytes.
11964         * object.cc: Instantiate Object::read_section_data.
11965         * debug.h: Include <cstring>
11966         * dwarf_reader.cc: Include <algorithm>
11967         * main.cc: Include <cstring>.
11968         * options.cc: Include <cstring>.
11969         * output.cc: Include <cstring>.
11970         * script.cc: Include <cstring>.
11971         * script.h: Include <string>.
11972         * symtab.cc: Include <cstring> and <algorithm>.
11973         * target-select.cc: Include <cstring>.
11974         * version.cc: Include <string>.
11975         * testsuite/testmain.cc: Include <cstdlib>.
11976         * configure, config.in: Rebuild.
11977
11978 2008-03-25  Ian Lance Taylor  <iant@google.com>
11979
11980         * options.cc: Include "../bfd/bfdver.h".
11981         (options::help): Print bug reporting address.
11982
11983         * version.cc (print_version): Adjust output for current value of
11984         BFD_VERSION_STRING.
11985
11986         * NEWS: New file.
11987
11988         * options.cc (options::help): Print list of supported targets.
11989         * target-select.h: Include <vector>.
11990         (class Target_selector): Make machine_, size_, and is_big_endian_
11991         fields const.  Add bfd_name_ and instantiated_target_ fields.
11992         (Target_selector::Target_selector): Add bfd_name parameter.
11993         (Target_selector::recognize): Make non-virtual, call
11994         do_recognize.
11995         (Target_selector::recognize_by_name): Make non-virtual, call
11996         do_recognize_by_name.
11997         (Target_selector::supported_names): New function.
11998         (Target_selector::bfd_name): New function.
11999         (Target_selector::do_instantiate_target): New pure virtual
12000         function.
12001         (Target_selector::do_recognize): New virtual function.
12002         (Target_selector::do_recognize_by_name): New virtual function.
12003         (Target_selector::instantiate_target): New private function.
12004         (supported_target_names): Declare.
12005         * target-select.cc (Target_selector::Target_selector): Update for
12006         new parameter and fields.
12007         (select_target_by_name): Check that the name matches before
12008         calling recognize_by_name.
12009         (supported_target_names): New function.
12010         * i386.cc (class Target_selector_i386): Update Target_selector
12011         constructor call.  Remove recognize and recognize_by_name.  Add
12012         do_instantiate_target.
12013         * x86_64.cc (class Target_selector_x86_64): Likewise.
12014         * testsuite/testfile.cc (class Target_selector_test): Update for
12015         changes to Target_selector.
12016
12017         * README: Rewrite, with some notes on unsupported features.
12018
12019 2008-03-24  Cary Coutant  <ccoutant@google.com>
12020
12021         * i386.cc (Target_i386::Got_type): New enum declaration.
12022         (Target_i386::Scan::local): Updated callers of Output_data_got
12023         member functions.
12024         (Target_i386::Scan::global): Likewise.
12025         (Target_i386::Relocate::relocate): Likewise.
12026         (Target_i386::Relocate::relocate_tls): Likewise.
12027         * object.h (Got_offset_list): New class.
12028         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12029         (Sized_relobj::local_got_offset): Likewise.
12030         (Sized_relobj::set_local_got_offset): Likewise.
12031         (Sized_relobj::local_has_tls_got_offset): Removed.
12032         (Sized_relobj::local_tls_got_offset): Removed.
12033         (Sized_relobj::set_local_tls_got_offset): Removed.
12034         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12035         * output.cc (Output_data_got::add_global): Added got_type parameter.
12036         (Output_data_got::add_global_with_rel): Likewise.
12037         (Output_data_got::add_global_with_rela): Likewise.
12038         (Output_data_got::add_global_pair_with_rel): New function.
12039         (Output_data_got::add_global_pair_with_rela): New function.
12040         (Output_data_got::add_local): Added got_type parameter.
12041         (Output_data_got::add_local_with_rel): Likewise.
12042         (Output_data_got::add_local_with_rela): Likewise.
12043         (Output_data_got::add_local_pair_with_rel): New function.
12044         (Output_data_got::add_local_pair_with_rela): New function.
12045         (Output_data_got::add_global_tls): Removed.
12046         (Output_data_got::add_global_tls_with_rel): Removed.
12047         (Output_data_got::add_global_tls_with_rela): Removed.
12048         (Output_data_got::add_local_tls): Removed.
12049         (Output_data_got::add_local_tls_with_rel): Removed.
12050         (Output_data_got::add_local_tls_with_rela): Removed.
12051         * output.h (Output_data_got::add_global): Added got_type parameter.
12052         (Output_data_got::add_global_with_rel): Likewise.
12053         (Output_data_got::add_global_with_rela): Likewise.
12054         (Output_data_got::add_global_pair_with_rel): New function.
12055         (Output_data_got::add_global_pair_with_rela): New function.
12056         (Output_data_got::add_local): Added got_type parameter.
12057         (Output_data_got::add_local_with_rel): Likewise.
12058         (Output_data_got::add_local_with_rela): Likewise.
12059         (Output_data_got::add_local_pair_with_rel): New function.
12060         (Output_data_got::add_local_pair_with_rela): New function.
12061         (Output_data_got::add_global_tls): Removed.
12062         (Output_data_got::add_global_tls_with_rel): Removed.
12063         (Output_data_got::add_global_tls_with_rela): Removed.
12064         (Output_data_got::add_local_tls): Removed.
12065         (Output_data_got::add_local_tls_with_rel): Removed.
12066         (Output_data_got::add_local_tls_with_rela): Removed.
12067         * resolve.cc (Symbol::override_base_with_special): Removed
12068         reference to has_got_offset_ field.
12069         * symtab.cc (Symbol::init_fields): Replaced initialization
12070         of got_offset_ with got_offsets_.  Removed initialization
12071         of has_got_offset_
12072         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12073         (Symbol::got_offset): Likewise.
12074         (Symbol::set_got_offset): Likewise.
12075         (Symbol::has_tls_got_offset): Removed.
12076         (Symbol::tls_got_offset): Removed.
12077         (Symbol::set_tls_got_offset): Removed.
12078         (Symbol::got_offset_): Removed.
12079         (Symbol::tls_mod_got_offset_): Removed.
12080         (Symbol::tls_pair_got_offset_): Removed.
12081         (Symbol::got_offsets_): New field.
12082         (Symbol::has_got_offset): Removed.
12083         (Symbol::has_tls_mod_got_offset): Removed.
12084         (Symbol::has_tls_pair_got_offset): Removed.
12085         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12086         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12087         member functions.
12088         (Target_x86_64::Scan::global): Likewise.
12089         (Target_x86_64::Relocate::relocate): Likewise.
12090         (Target_x86_64::Relocate::relocate_tls): Likewise.
12091
12092 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12093
12094         * yyscript.y: Fix spelling error in comment.
12095
12096 2008-03-24  Ian Lance Taylor  <iant@google.com>
12097
12098         * options.h (class General_options): Define build_id option.
12099         * layout.h (class Layout): Declare write_build_id, create_note,
12100         create_build_id.  Add build_id_note_ member.
12101         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12102         "libiberty.h", "md5.h", "sha1.h".
12103         (Layout::Layout): Initialize eh_frame_data_,
12104         eh_frame_hdr_section_, and build_id_note_.
12105         (Layout::finalize): Call create_build_id.
12106         (Layout::create_note): New function, broken out of
12107         Layout::create_gold_note.
12108         (Layout::create_gold_note): Call create_note.
12109         (Layout::create_build_id): New function.
12110         (Layout::write_build_id): New function.
12111         (Close_task_runner::run): Call write_build_id.
12112
12113         * x86_64.cc: Correct license to GPLv3.
12114
12115 2008-03-23  Ian Lance Taylor  <iant@google.com>
12116
12117         * options.cc: Include "demangle.h".
12118         (parse_optional_string): New function.
12119         (parse_long_option): Handle takes_optional_argument.
12120         (parse_short_option): Update dash_z initializer.  Handle
12121         takes_optional_argument.
12122         (General_options::General_options): Initialize do_demangle_.
12123         (General_options::finalize): Set do_demangle_.  Handle demangling
12124         style.
12125         * options.h (parse_optional_string): Declare.
12126         (struct One_option): Add optional_arg field.  Update constructor.
12127         Update call constructor calls.  Add takes_optional_argument
12128         function.
12129         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12130         (DEFINE_optional_string): Define.
12131         (General_options::demangle): Change from DEFINE_bool to
12132         DEFINE_optional_string.
12133         (General_options::no_demangle): New function.
12134         (General_options::do_demangle): New function.
12135         (General_options::set_do_demangle): New function.
12136         (General_options::execstack_status_): Move definition to end of
12137         class definition.
12138         (General_options::static_): Likewise.
12139         (General_options::do_demangle_): New field.
12140         * object.cc (big_endian>::get_symbol_location_info): Call
12141         Options::do_demangle, not Options::demangle.
12142         * symtab.cc (demangle): Likewise.
12143
12144 2008-03-22  Ian Lance Taylor  <iant@google.com>
12145
12146         * gold.h: Include <cstddef> and <sys/types.h>
12147         * options.h: Include <cstring>.
12148
12149 2008-03-21  Ian Lance Taylor  <iant@google.com>
12150
12151         * Added source code to GNU binutils.