gold/ChangeLog

   1 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
   2
   3         * arm.cc: Allow combining objects with no EABI version
   4         information.
   5
   6 2010-06-15  Rafael Espindola  <espindola@google.com>
   7
   8         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
   9
  10 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  11
  12         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
  13         (struct iovec): Correct !HAVE_READV definition.
  14
  15 2010-06-10  Cary Coutant  <ccoutant@google.com>
  16
  17         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
  18         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
  19         reloc sections.
  20         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
  21
  22         PR 11683
  23         * symtab.h (Symbol::is_placeholder): New member function.
  24         * target-reloc.h (relocate_section): Check for placeholder symbols.
  25
  26         * testsuite/Makefile.am (plugin_test_8): New test.
  27         (plugin_test_9): New test.
  28         * testsuite/Makefile.in: Regenerate.
  29
  30 2010-06-09  Nick Clifton  <nickc@redhat.com>
  31
  32         * yyscript.y (input_list_element): Allow strings prefixed with
  33         the '-' character.  Treat these as libraries.
  34         * script.cc (script_add_library): New function.  Adds a library
  35         specified by "-l<name>" found in an input script.
  36         * script-c.h: Add prototype for script_add_library.
  37
  38 2010-06-07  Doug Kwan  <dougkwan@google.com>
  39
  40         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
  41         Restrict stub-group size to be within long conditional branch
  42         range when working around cortex-A8 erratum.
  43
  44 2010-06-07  Damien Diederen  <dd@crosstwine.com>
  45
  46         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
  47         #ifdef typo.
  48
  49 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
  50
  51         PR gold/11658
  52         * output.cc
  53         (Output_section::Input_section_sort_entry::compare_section_ordering):
  54         Change to return non-zero correctly.
  55         (Output_section::Input_section_sort_section_order_index_compare
  56         ::operator()): Change to fix ambiguity in comparisons.
  57
  58 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
  59
  60         * gold.h (is_wildcard_string): New function.
  61         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
  62         (Layout::layout_eh_frame): Ditto.
  63         (Layout::find_section_order_index): New method.
  64         (Layout::read_layout_from_file): New method.
  65         * layout.h (Layout::find_section_order_index): New method.
  66         (Layout::read_layout_from_file): New method.
  67         (Layout::input_section_position_): New private member.
  68         (Layout::input_section_glob_): New private member.
  69         * main.cc (main): Call read_layout_from_file here.
  70         * options.h (--section-ordering-file): New option.
  71         * output.cc (Output_section::input_section_order_specified_): New
  72         member.
  73         (Output_section::Output_section): Initialize new member.
  74         (Output_section::add_input_section): Add new parameter.
  75         Keep input sections when --section-ordering-file is used.
  76         (Output_section::set_final_data_size): Sort input sections when
  77         section ordering file is specified.
  78         (Output_section::Input_section_sort_entry): Add new parameter.
  79         Check sorting type.
  80         (Output_section::Input_section_sort_entry::compare_section_ordering):
  81         New method.
  82         (Output_section::Input_section_sort_compare::operator()): Change to
  83         consider section_order_index.
  84         (Output_section::Input_section_sort_init_fini_compare::operator()):
  85         Change to consider section_order_index.
  86         (Output_section::Input_section_sort_section_order_index_compare
  87         ::operator()): New method.
  88         (Output_section::sort_attached_input_sections): Change to sort
  89         according to section order when specified.
  90         (Output_section::add_input_section<32, true>): Add new parameter.
  91         (Output_section::add_input_section<64, true>): Add new parameter.
  92         (Output_section::add_input_section<32, false>): Add new parameter.
  93         (Output_section::add_input_section<64, false>): Add new parameter.
  94         * output.h (Output_section::add_input_section): Add new parameter.
  95         (Output_section::input_section_order_specified): New
  96         method.
  97         (Output_section::set_input_section_order_specified): New method.
  98         (Input_section::Input_section): Initialize section_order_index_.
  99         (Input_section::section_order_index): New method.
 100         (Input_section::set_section_order_index): New method.
 101         (Input_section::section_order_index_): New member.
 102         (Input_section::Input_section_sort_section_order_index_compare): New
 103         struct.
 104         (Output_section::input_section_order_specified_): New member.
 105         * script-sections.cc (is_wildcard_string): Delete and move modified
 106         method to gold.h.
 107         (Output_section_element_input::Output_section_element_input): Modify
 108         call to is_wildcard_string.
 109         (Output_section_element_input::Input_section_pattern
 110         ::Input_section_pattern): Ditto.
 111         (Output_section_element_input::Output_section_element_input): Ditto.
 112         * testsuite/Makefile.am (final_layout): New test case.
 113         * testsuite/Makefile.in: Regenerate.
 114         * testsuite/final_layout.cc: New file.
 115         * testsuite/final_layout.sh: New file.
 116
 117 2010-06-01  Rafael Espindola  <espindola@google.com>
 118
 119         * plugin.cc (Plugin::load): Pass the output name to the plugin.
 120
 121 2010-06-01  Rafael Espindola  <espindola@google.com>
 122
 123         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
 124         visibility of symbols.
 125
 126 2010-05-27  Doug Kwan  <dougkwan@google.com>
 127
 128         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
 129         from start of output section instead of address for a local symbol
 130         in a merged or relaxed section when doing a relocatable link.
 131
 132 2010-05-26  Rafael Espindola  <espindola@google.com>
 133
 134        PR 11604
 135         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
 136         adding sections the garbage collector removed.
 137         * gold/testsuite/Makefile.am: Add test.
 138         * gold/testsuite/Makefile.in: Regenerate.
 139         * gold/testsuite/plugin_test_7.sh: New.
 140         * gold/testsuite/plugin_test_7_1.c: New.
 141         * gold/testsuite/plugin_test_7_2.c: New.
 142
 143 2010-05-26  Rafael Espindola  <espindola@google.com>
 144
 145         * script-sections.cc (Output_section_definition::set_section_addresses):
 146         Check for --section-start.
 147
 148 2010-05-26  Doug Kwan  <dougkwan@google.com>
 149
 150         * arm.cc (Arm_scan_relocatable_relocs): New class.
 151         (Target_arm::relocate_special_relocatable): New method.
 152         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
 153         (Arm_relocate_functions::thumb_branch_common): Same.
 154         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
 155         instead of Default_scan_relocatable_relocs.
 156         * target-reloc.h (relocate_for_relocatable): Let target handle
 157         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
 158         * target.h (Sized_target::relocate_special_relocatable): New method.
 159
 160 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 161
 162         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
 163
 164 2010-05-23  Doug Kwan  <dougkwan@google.com>
 165
 166         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
 167         instead of a cast.
 168         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
 169         with a direct branch, not a conditional branch, to a stub.
 170         * merge.cc (Output_merge_base::record_input_section): New method
 171         defintion.
 172         (Output_merge_data::do_add_input_section): Record input section if
 173         keeps-input-sections flag is set.
 174         (Output_merge_string::do_add_input_section): Ditto.
 175         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
 176         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
 177         INPUT_SECTIONS_.
 178         (Output_merge_base::keeps_input_sections,
 179         Output_merge_base::set_keeps_input_sections,
 180         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
 181         method definitions.
 182         (Output_merge_base::Input_sections): New type declaration.
 183         (Output_merge_base::input_sections_begin,
 184         Output_merge_base::input_sections_end,
 185         Output_merge_base::do_set_keeps_input_sections): New method definitions.
 186         (Output_merge_base::bool keeps_input_sections_,
 187         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
 188         Output_merge_base::input_sections_): New data members.
 189         (Output_merge_data::do_set_keeps_input_sections): New method
 190         defintion.
 191         (Output_merge_string::do_set_keeps_input_sections): Ditto.
 192         * output.cc (Output_section::Input_section::relobj): Move method
 193         defintion from class declaration to here and handle merge sections.
 194         (Output_section::Input_section::shndx): Ditto.
 195         (Output_section::Output_section): Remove initializations of removed
 196         data members and initialize new data member LOOKUP_MAPS_.
 197         (Output_section::add_input_section): Set keeps-input-sections flag
 198         for a newly created merge output section as appropriate.  Adjust code
 199         to use Output_section_lookup_maps class.
 200         (Output_section::add_relaxed_input_section): Adjst code for lookup
 201         maps code refactoring.
 202         (Output_section::add_merge_input_section): Add a new parameter
 203         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
 204         class.  If adding input section to a newly created merge output
 205         section fails, remove the new merge section.
 206         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
 207         Adjust code for use of the Output_section_lookup_maps class.
 208         (Output_section::find_merge_section): Ditto.
 209         (Output_section::build_lookup_maps): New method defintion.
 210         (Output_section::find_relaxed_input_section): Adjust code to use
 211         Output_section_lookup_maps class.
 212         (Output_section::get_input_sections): Export merge sections.  Adjust
 213         code to use Output_section_lookup_maps class.
 214         (Output_section:::add_script_input_section): Adjust code to use
 215         Output_section_lookup_maps class.  Update lookup maps for merge
 216         sections also.
 217         (Output_section::discard_states): Use Output_section_lookup_maps.
 218         (Output_section::restore_states): Same.
 219         * output.h (Merge_section_properties): Move class defintion out of
 220         Output_section.
 221         (Output_section_lookup_maps): New class.
 222         (Output_section::Input_section::is_merge_section): New method
 223         defintion.
 224         (Output_section::Input_section::relobj): Move defintion out of class
 225         defintion.  Declare method only.
 226         (Output_section::Input_section::shndx): Ditto.
 227         (Output_section::Input_section::output_merge_base): New method defintion.
 228         (Output_section::Input_section::u2_.pomb): New union field.
 229         (Output_section::Merge_section_by_properties_map,
 230         Output_section::Output_section_data_by_input_section_map,
 231         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
 232         Remove types.
 233         (Output_section::add_merge_input_section): Add new parameter
 234         KEEPS_INPUT_SECTIONS.
 235         (Output_section::build_lookup_maps): New method declaration.
 236         (Output_section::merge_section_map_,
 237         Output_section::merge_section_by_properties_map_,
 238         Output_section::relaxed_input_section_map_,
 239         Output_section::is_relaxed_input_section_map_valid_): Remove data
 240         members.
 241         (Output_section::lookup_maps_): New data member.
 242
 243 2010-05-21  Doug Kwan  <dougkwan@google.com>
 244
 245         PR gold/11619
 246         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
 247         avoid a compilation error.
 248
 249 2010-05-19  Rafael Espindola  <espindola@google.com>
 250
 251         * script-sections.cc (Output_section_definition::allocate_to_segment):
 252         Update the phdrs_list even when the output section is NULL.
 253         * testsuite/Makefile.am: Add test.
 254         * testsuite/Makefile.in: Regenerate.
 255         * testsuite/script_test_9.cc: New.
 256         * testsuite/script_test_9.sh: New.
 257         * testsuite/script_test_9.t: New.
 258
 259 2010-05-19  Doug Kwan  <dougkwan@google.com>
 260
 261         * arm.cc (Arm_input_section::original_size): New method.
 262         (Arm_input_section::do_addralign): Add a cast.
 263         (Arm_input_section::do_output_offset): Remove static cast.
 264         (Arm_input_section::original_addralign,
 265          Arm_input_section::original_size_): Change type to uint32_t.
 266         (Arm_input_section::init): Add safe casts for section alignment
 267         and size.
 268         (Arm_input_section::set_final_data_size): Do not set address and
 269         offset of stub table.
 270         (Arm_output_section::fix_exidx_coverage): Change use of of
 271         Output_section::Simple_input_section to that of
 272         Output_section::Input_section.
 273         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
 274         except for the first pass.
 275         * output.cc (Output_section::get_input_sections): Change type of
 276         input_sections to std::list<Input_section>.
 277         (Output_section::add_script_input_section): Rename from
 278         Output_section::add_simple_input_section.  Change type of SIS
 279         parameter from Simple_input_section to Input_section.
 280         * output.h (Output_section::Simple_input_section): Remove class.
 281         (Output_section::Input_section): Change class visibility to public.
 282         (Output_section::Input_section::addralign): Use stored alignments
 283         for special input sections if set.
 284         (Output_section::Input_section::set_addralign): New method.
 285         (Output_section::get_input_sections): Change parameter type from
 286         list of Simple_input_section to list of Input_section.
 287         (Output_section::add_script_input_section): Rename from
 288         Output_section::add_simple_input_section. Change first parameter's
 289         type from Simple_input_section to Input_section and remove the
 290         second and third parameters.
 291         * script-sections.cc (Input_section::Input_section_list): Change
 292         type to list of Output_section::Input_section/
 293         (Input_section_info::Input_section_info): Change parameter type of
 294         INPUT_SECTION to Output_section::Input_section.
 295         (Input_section_info::input_section): Change return type.
 296         (Input_section_info::input_section_): Change type to
 297         Output_section::Input_section.
 298         (Output_section_element_input::set_section_addresses): Adjust code
 299         to use Output_section::Input_section instead of
 300         Output_section::Simple_input_section.  Adjust code for renaming
 301         of Output_section::add_simple_input_section.
 302         (Orphan_output_section::set_section_addresses): Ditto.
 303
 304 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 305
 306         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
 307         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
 308
 309 2010-05-18  Rafael Espindola  <espindola@google.com>
 310
 311         * options.cc (General_options::finalize): Handle -nostdlib.
 312         * options.h (nostdlib): New option.
 313         * script.cc (script_add_search_dir): Handle -nostdlib.
 314
 315 2010-05-12  Doug Kwan  <dougkwan@google.com>
 316
 317         * arm.cc (Target_arm::do_finalize_sections): Create an empty
 318         attributes section only if there no attributes section after merging.
 319         (Target_arm::merge_object_attributes): Move value of
 320         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
 321         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
 322         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
 323         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
 324         and arm_attr_merge_7.stdout.
 325         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
 326         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
 327         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
 328         arm_attr_merge_7b.o): New rules.
 329         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
 330         arm_attr_merge_7
 331         * testsuite/Makefile.in: Regenerate.
 332         * testsuite/arm_attr_merge.sh: New file.
 333         * testsuite/arm_attr_merge_[67][ab].s: Same.
 334
 335 2010-05-05  Nick Clifton  <nickc@redhat.com>
 336
 337         * po/es.po: Updated Spanish translation.
 338
 339 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 340
 341         * Makefile.am (install-exec-local): Properly install gold as
 342         default cross linker.
 343         * Makefile.in: Regenerated.
 344
 345 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 346             Nick Clifton  <nickc@redhat.com>
 347
 348         * configure.ac (install_as_default): Define and set to false
 349         unless --enable-gold or --enable-gold=both/gold has been
 350         specified.
 351         * configure: Regenerate.
 352
 353         * Makefile.am (install-exec-local): Install the executable as
 354         'ld.gold'.  If install_as_default is true then also install it as
 355         'ld'.
 356         * Makefile.in: Regenerated.
 357
 358 2010-04-24  Ian Lance Taylor  <iant@google.com>
 359
 360         * layout.cc (Layout::layout_reloc): In relocatable link don't
 361         combine reloc sections for grouped sections.
 362
 363 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
 364
 365         * gc.h (gc_process_relocs): Pass information on relocs pointing to
 366         sections that are not ordinary to icf.
 367         * icf.cc (get_section_contents): Handle relocation pointing to section
 368         with no object or shndx information.
 369         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
 370         * testsuite/Makefile.in: Regenerate.
 371         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
 372         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
 373
 374 2010-04-22  Ian Lance Taylor  <iant@google.com>
 375
 376         * expression.cc (Expression::Expression_eval_info): Add
 377         result_alignment_pointer field.
 378         (Expression::eval_with_dot): Add result_alignment_pointer
 379         parameter.  Change all callers.
 380         (Expression::eval_maybe_dot): Likewise.
 381         (class Binary_expression): Add alignment_pointer parameter to
 382         left_value and right_value.  Change all callers.
 383         (BINARY_EXPRESSION): Set result alignment.
 384         (class Trinary_expression): Add alignment_pointer parameter to
 385         arg2_value and arg3_value.  Change all callers.
 386         (Trinary_cond::value): Set result alignment.
 387         (Max_expression::value, Min_expression::value): Likewise.
 388         (Align_expression::value): Likewise.
 389         * script-sections.cc (class Sections_element): Add dot_alignment
 390         parameter to set_section_addresses virtual function.  Update
 391         instantiations.
 392         (class Output_section_element): Likewise.
 393         (Script_sections::create_segments): Add dot_alignment parameter.
 394         Change all callers.
 395         (Script_sections::create_segments_from_phdrs_clause): Likewise.
 396         (Script_sections::set_phdrs_clause_addresses): Likewise.
 397         * script-sections.h: Update declarations.
 398         * script.h: Update declarations.
 399         * output.h (Output_segment::set_minimum_p_align): Don't decrease
 400         min_p_align.
 401         * testsuite/script_test_3.t: Set large alignment.
 402         * testsuite/script_test_3.sh: Make sure that at least one LOAD
 403         segment has expected alignment.
 404
 405 2010-04-22  Nick Clifton  <nickc@redhat.com>
 406
 407         * po/gold.pot: Updated by the Translation project.
 408         * po/vi.po: Updated Vietnamese translation.
 409
 410 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
 411
 412         * testsuite/Makefile.am (check_PROGRAMS): Add
 413         icf_virtual_function_folding_test.
 414         * testsuite/Makefile.in: Regenerated.
 415
 416 2010-04-15  Andrew Haley  <aph@redhat.com>
 417
 418         * options.h (merge_exidx_entries): New option.
 419         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
 420         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
 421         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
 422         (Target_arm::merge_exidx_entries): New function.
 423         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
 424         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
 425         to Arm_exidx_fixup constructor.
 426         Add new arg, merge_exidx_entries.
 427         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
 428         Arm_output_section::fix_exidx_coverage.
 429
 430 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
 431
 432         * icf.cc (get_section_contents): Check for preemptible functions.
 433         Ignore addend when appropriate.
 434         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
 435         section folded.
 436         (add_from_relobj): Check for section folded.
 437         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
 438         * symtab.h (should_add_dynsym_entry): Add new parameter.
 439         * target-reloc.h (scan_relocs): Check for section folded.
 440         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
 441         Check reloc types for function pointers in shared objects.
 442         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
 443         case.
 444         (icf_preemptible_functions_test): New test case.
 445         (icf_string_merge_test): New test case.
 446         * testsuite.Makefile.in: Regenerate.
 447         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
 448         bar_glob.  Refactor code.
 449         * testsuite/icf_preemptible_functions_test.cc: New file.
 450         * testsuite/icf_preemptible_functions_test.sh: New file.
 451         * testsuite/icf_string_merge_test.cc: New file.
 452         * testsuite/icf_string_merge_test.sh: New file.
 453         * testsuite/icf_virtual_function_folding_test.cc: New file.
 454         * testsuite/icf_virtual_function_folding_test.sh: New file.
 455
 456 2010-04-14  Doug Kwan  <dougkwan@google.com>
 457
 458         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
 459         for local symbol recounting if we remove a section due to ICF.
 460         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
 461         there are no regular objects in input.
 462
 463 2010-04-13  Doug Kwan  <dougkwan@google.com>
 464
 465         * arm.cc (Arm_input_section::set_final_data_size): Compute
 466         accurate final data size instead of using current data size.
 467
 468 2010-04-09  Doug Kwan  <dougkwan@google.com>
 469
 470         * layout.cc (Layout::choose_output_section): Handle script section
 471         types.
 472         (Layout::make_output_section_for_script): Add section type parameter.
 473         Handle script section types.
 474         * layout.h (Layout::make_output_section_for_script): Add section
 475         type parameter.
 476         * output.cc (Output_section::Output_section): Initialize data member
 477         is_noload_.
 478         (Output_section::do_reset_address_and_file_offset): Do not set address
 479         to 0 if section is a NOLOAD section.
 480         * output.h (Output_section::is_noload): New method.
 481         (Output_section::set_is_noload): Ditto.
 482         (Output_section::is_noload_): New data member.
 483         * script-c.h (Script_section_type): New enum type.
 484         (struct Parser_output_section_header): Add new file section_type.
 485         * script-sections.cc (Sections_element::output_section_name): Add
 486         parameter for returning script section type.
 487         (Output_section_definition::output_section_name): Ditto.
 488         (Output_section_definition::section_type)P; New method.
 489         (Output_section_definiton::script_section_type_name): Ditto.
 490         (Output_section_definition::script_section_type_): New data member.
 491         (Output_section_definition::Output_section_definition): Initialize
 492         data member Output_section_definition::script_section_type_.
 493         (Output_section_definition::create_sections): Pass script section type
 494         to Layout::make_output_section_for_script.
 495         (Output_section_definition::output_section_name): Return script
 496         section type to caller.
 497         (Output_section_definition::set_section_address): Do not advance
 498         dot value and load address if section type is NOLOAD.  Set address
 499         of NOLOAD sections regardless of section flags.
 500         (Output_section_definition::print): Print section type if it is
 501         not SCRIPT_SECTION_TYPE_NONE.
 502         (Output_section_definition::section_type): New method.
 503         (Output_section_definition::script_section_type_name): Ditto.
 504         (Script_sections::output_section_name): Add new parameter
 505         PSECTION_TYPE for returning script section type.  Pass it to
 506         section elements.  Handle discard sections.
 507         (Sort_output_sections::operator()): Handle NOLOAD sections.
 508         * script-sections.h (Script_sections::Section_type): New enum type.
 509         (Script_sections::output_section_name): Add a new parameter for
 510         returning script section type.
 511         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
 512         INFO and NOLOAD.
 513         * yyscript.y (union): Add new field SECTION_TYPE.
 514         (COPY, DSECT, INFO, NOLOAD): New tokens.
 515         (opt_address_and_section_type): Change type to output_section_header.
 516         (section_type): New non-terminal
 517         (section_header): Handle section type.
 518         (opt_address_and_section_type): Return section type value.
 519
 520 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 521
 522         * testsuite/plugin_common_test_1.c (foo): Add prototype.
 523         * testsuite/plugin_common_test_2.c (foo): Likewise.
 524
 525 2010-04-08  Doug Kwan  <dougkwan@google.com>
 526
 527         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
 528         Output_merge_data.
 529         * output.cc (Output_section::add_merge_input_section): Simplify
 530         code and return status of Output_merge_base::add_input_section.
 531         Update merge section map only if Output_merge_base::add_input_section
 532         returns true.
 533
 534 2010-04-07  Doug Kwan  <dougkwan@google.com>
 535
 536         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
 537         if section is marked as containing instructions but has no mapping
 538         symbols.
 539         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
 540         correct section index.
 541         (Arm_relobj::find_linked_text_section): Ditto.
 542
 543 2010-04-07  Cary Coutant  <ccoutant@google.com>
 544
 545         * archive.cc (include_member): Destroy Read_symbols_data object before
 546         releasing file.
 547         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
 548         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
 549         (Read_symbols_data::~Read_symbols_data) New destructor.
 550         (Section_relocs::Section_relocs) New constructor.
 551         (Section_relocs::~Section_relocs) New destructor.
 552         (Read_relocs_data::Read_relocs_data) New constructor.
 553         (Read_relocs_data::~Read_relocs_data) New destructor.
 554         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
 555         pointers to NULL after deleting.
 556
 557 2010-04-07  Doug Kwan  <dougkwan@google.com>
 558
 559         * arm.cc: Replace "endianity" with "endianness" in comments.
 560         (Arm_exidx_cantunwind): Ditto.
 561         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
 562         (Arm_relobj::merge_flags_and_attributes): New method.
 563         (Arm_relobj::merge_flags_and_attributes_): New data member.
 564         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
 565         (Arm_relobj::scan_sections_for_stubs): Ditto.
 566         (Arm_relobj::do_read_symbols): Check to see if we really want to
 567         merge processor-specific flags and attributes.  Exit early if
 568         an object is empty except for section names and the undefined symbol.
 569         (Target_arm::do_finalize_sections): Move check for ELF format to
 570         Arm_relobj::do_read_symbols.  Merge processor specific flags and
 571         attributes from a regular object only when we have determined that
 572         it is aapropriate.  Do not create an .ARM.attributes section in
 573         output if there is no regular input object.
 574         (Target_arm::merge_processor_specific_flags): Check
 575         --warn-mismatch before printing any error.
 576         (Target_arm::merge_object_attributes): Ditto.
 577         * gold.cc (queue_middle_tasks): Handle the case in which there is
 578         no regular object in input.
 579         * options.cc (General_options::parse_EB): New method.
 580         (General_options::parse_EL): Same.
 581         (General_options::General_options): Initialize endianness_.
 582         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
 583         New options.
 584         (General_options::Endianness): New enum.
 585         (General_options::endianness): New method.
 586         (General_options::endianness_): New data member.
 587         * parameters.cc (Parameters::set_options): Check target endianness.
 588         (Parameters::set_target_once): Ditto.
 589         (Parameters::check_target_endianness): New method.
 590         (parameters_force_valid_target): If either -EL or -EB is specified,
 591         use it to define endianness of default target.
 592         * parameters.h (Parameters::check_target_endianness): New method
 593         declaration.
 594         * target.h (class Target): Change "endianity" to "endianness"
 595         in comments.
 596
 597 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 598
 599         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
 600         * configure: Regenerate.
 601         * Makefile.in: Regenerate.
 602         * testsuite/Makefile.in: Regenerate.
 603
 604 2010-04-06  Cary Coutant  <ccoutant@google.com>
 605
 606         gcc PR lto/42757
 607         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
 608         prevailing definitions of common symbols.
 609         * testsuite/plugin_test_6.sh: New test case.
 610         * testsuite/plugin_common_test_1.c: New test case.
 611         * testsuite/plugin_common_test_2.c: New test case.
 612         * testsuite/Makefile.am (plugin_test_6): New test case.
 613         * testsuite/Makefile.in: Regenerate.
 614
 615 2010-04-06  Nick Clifton  <nickc@redhat.com>
 616
 617         * po/vi.po: New Vietnamese translation.
 618
 619 2010-03-30  Doug Kwan  <dougkwan@google.com>
 620
 621         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
 622
 623 2010-03-25  Doug Kwan  <dougkwan@google.com>
 624
 625         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
 626         to avoid a conversion warning on a 32-bit host.
 627
 628 2010-03-24  Ian Lance Taylor  <iant@google.com>
 629
 630         * testsuite/script_test_3.t: Add a TLS segment.
 631         * testsuite/Makefile.am (check_PROGRAMS): Add
 632         tls_phdrs_script_test.
 633         (tls_phdrs_script_test_SOURCES): Define.
 634         (tls_phdrs_script_test_DEPENDENCIES): Define.
 635         (tls_phdrs_script_test_LDFLAGS): Define.
 636         (tls_phdrs_script_test_LDADD): Define.
 637         * testsuite/Makefile.in: Rebuild.
 638
 639 2010-03-23  Cary Coutant  <ccoutant@google.com>
 640
 641         * fileread.cc (find_or_make_view): Fix comment.
 642
 643 2010-03-23  Ian Lance Taylor  <iant@google.com>
 644
 645         * script-sections.cc (class Orphan_section_placement): Define
 646         PLACE_TLS and PLACE_TLS_BSS.
 647         (Orphan_section_placement::Orphan_section_placement): Initialize
 648         new places.
 649         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
 650         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
 651         (tls_script_test_SOURCES): Define.
 652         (tls_script_test_DEPENDENCIES): Define.
 653         (tls_script_test_LDFLAGS): Define.
 654         (tls_script_test_LDADD): Define.
 655         * testsuite/Makefile.in: Rebuild.
 656
 657 2010-03-22  Doug Kwan  <dougkwan@google.com>
 658
 659         * arm.cc (Arm_relocate_functions::abs8,
 660         Arm_relocate_functions::abs16): Use correct check for overflow
 661         specified in the ARM ELF specs.
 662         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
 663         target of a BLX instruction specially.
 664         (Reloc_stub::stub_type_for_reloc): Ditto.
 665         (Relocate::relocate): Use symbolic names instead of numeric relocation
 666         codes to report error.
 667         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
 668         workaround.
 669         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
 670         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
 671         thumb2_blx_out_of_range.stdout
 672         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
 673         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
 674         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
 675         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
 676         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
 677         thumb2_blx_in_range, thumb2_blx_in_range.o,
 678         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
 679         thumb2_blx_out_of_range.o): New rules.
 680         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
 681         thumb2_blx_in_range and thumb2_blx_out_of_range.
 682         * testsuite/Makefile.in: Regenerate.
 683         * arm_branch_in_range.sh: Add tests for THUMB BLX.
 684         * testsuite/thumb_blx_in_range.s: New file.
 685         * testsuite/thumb_blx_out_of_range.s: New file.
 686
 687 2010-03-22  Rafael Espindola  <espindola@google.com>
 688
 689         * archive.cc (Should_include): Move to archive.h.
 690         (should_include_member): Make it a member of Archive.
 691         (Lib_group): New.
 692         (Add_lib_group_symbols): New.
 693         * archive.h: Include options.h.
 694         (Archive_member): Moved from Archive.
 695         (Should_include): Moved from archive.cc.
 696         (Lib_group): New.
 697         (Add_lib_group_symbols): New.
 698         * dynobj.cc (do_should_include_member): New.
 699         * dynobj.h (do_should_include_member): New.
 700         * gold.cc (queue_initial_tasks): Update call to queue.
 701         * main.cc (main): Print lib group stats.
 702         * object.cc (do_should_include_member): New.
 703         * object.h: Include archive.h.
 704         (Object::should_include_member): New.
 705         (Object::do_should_include_member): New.
 706         (Sized_relobj::do_should_include_member): New.
 707         * options.cc (General_options::parse_start_lib): New.
 708         (General_options::parse_end_lib): New.
 709         (Input_arguments::add_file): Handle lib groups.
 710         (Input_arguments::start_group): Check we are not in a lib.
 711         (Input_arguments::start_lib): New.
 712         (Input_arguments::end_lib): New.
 713         * options.h (General_options): Add start_lib and end_lib.
 714         (Input_argument::lib_): New.
 715         (Input_argument::lib): New.
 716         (Input_argument::is_lib): New.
 717         (Input_file_lib): New.
 718         (Input_arguments::in_lib_): New.
 719         (Input_arguments::in_lib): New.
 720         (Input_arguments::start_lib): New.
 721         (Input_arguments::end_lib_): New.
 722         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
 723         in unused members as preempted.
 724         (Sized_pluginobj::do_should_include_member): New.
 725         * plugin.h (Sized_pluginobj::do_should_include_member): New.
 726         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
 727         return the blocker.
 728         (Read_symbols::do_whole_lib_group): New.
 729         (Read_symbols::do_lib_group): New.
 730         (Read_symbols::do_read_symbols): Handle lib groups.
 731         (Read_symbols::get_name): Handle lib groups.
 732         * readsyms.h (Read_symbols): Add an archive member pointer.
 733         (Read_symbols::do_whole_lib_group): New.
 734         (Read_symbols::do_lib_group): New.
 735         (Read_symbols::member_): New.
 736         * script.cc (read_input_script): Update call to queue_soon.
 737
 738 2010-03-19  Doug Kwan  <dougkwan@google.com>
 739
 740         * arm.cc (Stub_table::Stub_table): Initialize new data members
 741         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 742         (Stub_table::add_reloc_stub): Assign stub offset and update
 743         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 744         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
 745         New data members.
 746         (Stub_table::update_data_size_and_addralign): Use
 747         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
 748         instead of going over all reloc stubs.
 749         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
 750         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 751         Stringpool_template::offset_ to size of Stringpool_char.
 752         (Stringpool_template::new_key_offset): Remove code to initialize
 753         Stringpool_template::offset_.
 754         * stringpool.h (Stringpool_template::set_no_zero_null): Set
 755         Stringpool_template::offset_ to zero.
 756
 757 2010-03-15  Doug Kwan  <dougkwan@google.com>
 758
 759         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 760         offset_.
 761         (Stringpool_template::new_key_offset): New method.
 762         (Stringpool_template::add_string): Assign offsets when adding new
 763         strings.
 764         (Stringpool_template::set_string_offsets): Do not set string offsets
 765         when not optimizing.
 766         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
 767         member size_.
 768         (Chunked_vector::clear): Clear size_.
 769         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
 770         (Chunked_vector::size): Return size_.
 771         (Chunked_vector::push_back): Use size_ to find insert position.
 772         (Chunked_vector::size_): New data member.
 773         (Stringpool_template::set_no_zero_null): Assert string set is empty.
 774         (Stringpool_template::new_key_offset): New method declaration.
 775         (Stringpool_template::offset_): New data member.
 776
 777 2010-03-15   Rafael Espindola  <espindola@google.com>
 778
 779         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
 780         Add_symbols' constructor.
 781         * readsyms.h (Add_symbols): Remove the input_group member.
 782
 783 2010-03-10  Ian Lance Taylor  <iant@google.com>
 784
 785         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
 786         target to ask whether a reference to a symbol requires a stack
 787         split.
 788         * target.h (Target::is_call_to_non_split): New function.
 789         (Target::do_is_call_to_non_split): Declare virtual function.
 790         * target.cc: Include "symtab.h".
 791         (Target::do_is_call_to_non_split): New function.
 792         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
 793
 794 2010-03-10  Cary Coutant  <ccoutant@google.com>
 795
 796         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
 797         (File_read::open[1]): Remove initial mapping of whole_file_view_.
 798         (File_read::open[2]): Add whole_file_view_ to list of views.
 799         (File_read::make_view): Remove test of whole_file_view_.
 800         (File_read::find_or_make_view): Create whole_file_view_ if
 801         necessary.
 802         (File_read::clear_views): Replace bool parameter with enum;
 803         adjust all callers.  Don't delete views with permanent data;
 804         do delete cached views and views from archives if
 805         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
 806         if clearing the corresponding view.
 807         * fileread.h (File_read::Clear_views_mode): New enum.
 808         (File_read::View::is_permanent_view): New method.
 809         (File_read::clear_views): Replace bool parameter
 810         with enum; adjust all callers.
 811         * options.h (General_options): Change keep_files_mapped option;
 812         add map_whole_files.
 813         * readsyms.cc (Add_symbols::run): Delete sd_ object before
 814         releasing the file.
 815         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
 816         the file.
 817
 818 2010-03-10  David S. Miller  <davem@davemloft.net>
 819
 820         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
 821
 822 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
 823
 824         * icf.cc (get_section_contents): Add '@' marker after processing the
 825         merge reloc.
 826
 827 2010-03-08  Doug Kwan  <dougkwan@google.com>
 828
 829         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
 830         due to a conversion warning.
 831         (Arm_relobj::update_output_local_symbol_count): Check for local
 832         symbol with unset output index.
 833
 834 2010-03-05  Ian Lance Taylor  <iant@google.com>
 835
 836         * options.h (class General_options): Add --spare-dynamic-tags.
 837         * output.cc (Output_data_dynamic::set_final_data_size): Implement
 838         --spare-dynamic-tags.
 839
 840 2010-03-05  Ian Lance Taylor  <iant@google.com>
 841
 842         * incremental.cc: Include "libiberty.h".
 843
 844 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 845
 846         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
 847         function, is_info_ member.
 848         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
 849         (Versions::Versions): Update caller.
 850         (Versions::define_base_version): Likewise.
 851         (Versions::add_def): Likewise.
 852
 853 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
 854
 855         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
 856         (Scan::possible_function_pointer_reloc): New function.
 857         (Scan::local_reloc_may_be_function_pointer): Change to call
 858         possible_function_pointer_reloc.
 859         (Scan::global_reloc_may_be_function_pointer): Ditto.
 860         * icf.h (Icf::check_section_for_function_pointers): Change to reject
 861         relocations in ".data.rel.ro._ZTV" section.
 862         * testsuite/icf_safe_so_test.sh: Change to pass i386.
 863         * testsuite/icf_safe_so_test.cc: Ditto.
 864         * testsuite/icf_safe_test.cc: Ditto.
 865         * testsuite/icf_safe_test.sh: Ditto.
 866
 867 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 868             Ian Lance Taylor  <iant@google.com>
 869
 870         * target-reloc.h (relocate_section): Check the symbol table index
 871         for -1U before setting the local symbol index.
 872         (scan_relocatable_relocs): If copying the relocation, record that
 873         the local symbol is required.
 874         * object.h (Symbol_value::is_output_symtab_index_set): New
 875         function.
 876         (Symbol_value::may_be_discarded_from_output_symtab): New
 877         function.
 878         (Symbol_value::has_output_symtab_entry): New function.
 879         (Symbol_value::needs_output_symtab_entry): Remove.
 880         (Symbol_value::output_symtab_index): Make sure the symbol index is
 881         set.
 882         (Symbol_value::set_output_symtab_index): Make sure the symbol
 883         index is not set.  Make sure the new index is valid.
 884         (Symbol_value::set_must_have_output_symtab_entry): New function.
 885         (Symbol_value::has_output_dynsym_entry): New function.
 886         (Symbol_value::set_output_dynsym_index): Make sure the new index
 887         is valid.
 888         (Sized_relobj::set_must_have_output_symtab_entry): New function.
 889         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
 890         local symbol if permitted.
 891         (Sized_relobj::do_finalize_local_symbols): Call
 892         is_output_symtab_index_set rather than needs_output_symtab_entry.
 893         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
 894         rather than needs_output_symtab_entry.  Call
 895         has_output_dynsym_entry rather than needs_output_dynsym_entry.
 896         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
 897         is_output_symtab_index_set rather than needs_output_symtab_entry.
 898         * testsuite/discard_locals_relocatable_test.c: New file.
 899         * testsuite/discard_locals_test.sh: Test -r.
 900         * testsuite/Makefile.am (check_DATA): Add
 901         discard_locals_relocatable_test1.syms,
 902         discard_local_relocatable_test2.syms.
 903         (MOSTLYCLEANFILES): Likewise.  Also add
 904         discard_locals_relocatable_test1.lout and
 905         discard_locals_relocatable_test2.out.
 906         (discard_locals_relocatable_test1.syms): New target.
 907         (discard_locals_relocatable_test.o): New target.
 908         (discard_locals_relocatable_test1.out): New target.
 909         (discard_locals_relocatable_test2.syms): New target.
 910         (discard_locals_relocatable_test2.out): New target.
 911         (various): Add missing ../ld-new dependencies.
 912         * testsuite/Makefile.in: Rebuild.
 913
 914 2010-03-03  Nick Clifton  <nickc@redhat.com>
 915
 916         * po/fi.po: New Finnish translation.
 917
 918 2010-03-01  Doug Kwan  <dougkwan@google.com>
 919
 920         * layout.cc (Layout::Layout): Force section types of .init_array*,
 921         .preinit_array* and .fini_array* sections.
 922         * output.cc (Output_section::Input_section_sort_entry::has_priority):
 923         Fix check of return value of std::string::find.().
 924         (Output_section::Input_section_sort_compare::operator()): Remove
 925         comment about .init_array.
 926         (Output_section::Input_section_sort_init_fini_compare::operator()):
 927         New method.
 928         (Output_section::sort_attached_input_sections): Handle .init_array
 929         and .fini_array specially.
 930         * output.h (Output_section::Inut_section_sort_compare): Update
 931         comment.
 932         (Output_section::Input_section_sort_init_fini_compare): New struct.
 933
 934 2010-02-26  Doug Kwan  <dougkwan@google.com>
 935
 936         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
 937         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
 938         * testsuite/debug_msg.sh: Avoid matching source line number for
 939         use of global variable undef_int.
 940
 941 2010-02-26  Doug Kwan  <dougkwan@google.com>
 942
 943         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
 944         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
 945         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
 946         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
 947         * options.cc (General_options::General_options): Initialize member
 948         fix_v4bx_.
 949         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
 950         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
 951         and rm_no_fix_v4bx.stdout
 952         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
 953         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
 954         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
 955         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
 956         and arm_no_fix_v4bx.
 957         * Makefile.in: Regenerate.
 958         * testsuite/arm_fix_v4bx.s: New file.
 959         * testsuite/arm_fix_v4bx.sh: Ditto.
 960
 961 2010-02-24  Doug Kwan  <dougkwan@google.com>
 962
 963         * arm.cc (Target_arm::got_section): Make the .got section the first
 964         non RELRO section in the data segment.
 965         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
 966         suffixes of section names.
 967
 968 2010-02-24  Doug Kwan  <dougkwan@google.com>
 969
 970         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
 971         flags and attributes merging if an input file is a binary file.
 972         * fileread.cc (Input_file::open): Record format of original file.
 973         * fileread.h (Input_file::Format): New enum type.
 974         (Input_file::Input_file): Initialize data member format_.
 975         (Input_file::format): New method definition.
 976         (Input_file::format_):: New data member.
 977
 978 2010-02-24  Doug Kwan  <dougkwan@google.com>
 979
 980         * arm.cc (Arm_output_data_got): New class.
 981         (ARM_TCB_SIZE): New constant
 982         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
 983         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
 984         If user uses a script with a SECTIONS clause, issue only a warning
 985         for a misplaced EXIDX input section.  Otherwise, issue an error.
 986         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
 987         garbage collection.
 988         (Target_arm::got_mode_index_entry): Handle static linking.
 989         (Target_arm::Scan::local): Ditto.
 990         (Target_arm::Scan::global): Ditto.
 991         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
 992         all incorrectly implemented relocations.
 993         (Target_arm::fix_exidx_coverage): Pass layout to
 994         Arm_output_section::fix_exidx_coverage.
 995         * layout.cc (Layout::section_name_mapping): Remove trailing dots
 996         from ".ARM.exidx." and ".ARM.extab.".
 997
 998 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 999
1000         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1001         section if it does not already exist.
1002         * attributes.cc (Attributes_section_data::Attributes_section_data):
1003         Don't crash if size is zero.
1004
1005 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1006             Ian Lance Taylor  <iant@google.com>
1007
1008         * gold.cc (queue_middle_tasks): If no input files were opened,
1009         exit.
1010         * workqueue.h (Task_function::Task_function): Assert that there is
1011         a blocker.
1012
1013 2010-02-22  Doug Kwan  <dougkwan@google.com>
1014
1015         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1016         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1017         types to avoid warnings due to different uint64_t implementations
1018         on different hosts.
1019
1020 2010-02-21  Doug Kwan  <dougkwan@google.com>
1021
1022         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1023         handling of the maximum backward branch offset.
1024         (Arm_relocate_functions::thumb_branch_common): Ditto.
1025         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1026         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1027         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1028         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1029         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1030         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1031         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1032         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1033         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1034         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1035         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1036         thumb2_bl_out_of_range.o): New rules.
1037         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1038         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1039         thumb2_bl_out_of_range
1040         * testsuite/Makefile.in: Regenerate.
1041         * testsuite/arm_bl_in_range.s: New file.
1042         * testsuite/arm_bl_out_of_range.s: Ditto.
1043         * testsuite/arm_branch_in_range.sh: Ditto.
1044         * testsuite/arm_branch_range.t: Ditto.
1045         * testsuite/thumb2_branch_range.t: Ditto.
1046         * testsuite/thumb_bl_in_range.s: Ditto.
1047         * testsuite/thumb_bl_out_of_range.s: Ditto.
1048         * testsuite/thumb_branch_range.t: Ditto.
1049
1050 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1051
1052         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1053         Add reloc offset information.
1054         * icf.cc (get_section_contents): Change iterators to point to the new
1055         vectors. Add reloc offset information to the contents.
1056         * icf.h (Icf::Sections_reachable_info): New typedef.
1057         (Icf::Sections_reachable_list): New typedef.
1058         (Icf::Offset_info): New typedef.
1059         (Icf::Reloc_info): New struct typedef.
1060         (Icf::Reloc_info_list): New typedef.
1061         (Icf::symbol_reloc_list): Delete method.
1062         (Icf::addend_reloc_list): Delete method.
1063         (Icf::section_reloc_list): Delete method.
1064         (Icf::reloc_info_list): New method.
1065         (Icf::reloc_info_list_): New member.
1066
1067 2010-02-19  Doug Kwan  <dougkwan@google.com>
1068
1069         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1070         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1071         * arm.cc (Arm_relocation_functions): New forward declaration.
1072         (Target_arm::Target_arm): Initialize new data members
1073         got_mod_index_offset_ and tls_base_symbol_defined_.
1074         (Target_arm::Relocate::relocate_tls): New method.
1075         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1076          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1077         New methods.
1078         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1079         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1080         (Target_arm::got_mod_index_offset_,
1081         Target_arm::tls_base_symbol_defined_): New data members.
1082         (Target_arm::Scan::local, Target::Scan::global,
1083         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1084         relocations.
1085
1086 2010-02-18  Doug Kwan  <dougkwan@google.com>
1087
1088         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1089         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1090         text section as a parameter becuase some broken tools may not set
1091         the link in section header.
1092         (Target_arm::has_got_section): New method.
1093         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1094         without any mapping symbol as data only.  Remove warning.
1095         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1096         link in its section header, try to discover the link by inspecting the
1097         REL31 relocation at the beginning of the section.
1098         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1099         in error message.
1100         (Target_arm::Scan::global): Treat any reference to the symbol
1101         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1102
1103 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1104
1105         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1106         (Scan::global_reloc_may_be_function_pointer): New function.
1107         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1108         (Scan::global_reloc_may_be_function_pointer): New function.
1109         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1110         (Scan::global_reloc_may_be_function_pointer): New function.
1111         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1112         (Scan::global_reloc_may_be_function_pointer): New function.
1113         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1114         (Scan::global_reloc_may_be_function_pointer): New function.
1115         (Scan::possible_function_pointer_reloc): New function.
1116         (Target_x86_64::can_check_for_function_pointers): New function.
1117         * gc.h (gc_process_relocs): Scan relocation types to determine if
1118         function pointers were taken for targets that support it.
1119         * icf.cc (Icf::find_identical_sections): Include functions for
1120         folding in safe ICF whose pointer is not taken.
1121         * icf.h (Secn_fptr_taken_set): New typedef.
1122         (fptr_section_id_): New member.
1123         (section_has_function_pointers): New function.
1124         (set_section_has_function_pointers): New function.
1125         (check_section_for_function_pointers): New function.
1126         * options.h: Fix comment for safe ICF option.
1127         * target.h (can_check_for_function_pointers): New function.
1128         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1129         Modify icf_safe_test for X86-64.
1130         * testsuite/Makefile.in: Regenerate.
1131         * testsuite/icf_safe_so_test.cc: New file.
1132         * testsuite/icf_safe_so_test.sh: New file.
1133         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1134         (main): Change to take pointer to function kept_func_3.
1135         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1136         folding is done correctly for X86-64.
1137
1138 2010-02-12  David S. Miller  <davem@davemloft.net>
1139
1140         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1141         is_symbolless parameter.
1142         (Output_reloc<SHT_REL>::is_symbolless): New.
1143         (Output_reloc<SHT_REL>::is_symbolless_): New.
1144         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1145         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1146         (Output_reloc<SHT_RELA>::is_symbolless): New.
1147         (Output_data_reloc::add_global): Handle is_symbolless.
1148         (Output_data_reloc::add_global_relative): Likewise.
1149         (Output_data_reloc::add_local): Likewise.
1150         (Output_data_reloc::add_local_relative): Likewise.
1151         (Output_data_reloc::add_symbolless_global_addend): New.
1152         (Output_data_reloc::add_symbolless_local_addend): New.
1153         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1154         is_symbolless.
1155         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1156         instead of ->is_relative_
1157         (Output_reloc::write): Likewise.
1158         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1159         (Output_reloc::write_rel): Simplify.
1160
1161         * sparc.cc (Target_sparc::Scan::local): Use
1162         ->add_symbolless_local_addend as needed.
1163         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1164         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1165         based upon relocation offset.
1166
1167 2010-02-11  Doug Kwan  <dougkwan@google.com>
1168
1169         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1170         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1171         beginning of function.
1172         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1173         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1174         parameter is_32bit in calls to should_apply_static_reloc.
1175         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1176         (check_DATA): Add arm_abs_global.stdout.
1177         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1178         arm_abs_global.stdout): New rules.
1179         (MOSTLLYCLEANFILES): Add arm_abs_global
1180         * Makefile.in: Regenerate.
1181         * testsuite/arm_abs_global.s: New file.
1182         * testsuite/arm_abs_global.sh: Ditto.
1183         * testsuite/arm_abs_lib.s: Ditto.
1184
1185 2010-02-11  Ian Lance Taylor  <iant@google.com>
1186
1187         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1188         Read_relocs task.
1189         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1190         Allocate_commons_task first.
1191         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1192         task, rather than symtab_lock_.
1193         (Gc_process_relocs::~Gc_process_relocs): New function.
1194         (Gc_process_relocs::is_runnable): Check this_blocker_.
1195         (Gc_process_relocs::locks): Use next_blocker_ rather than
1196         blocker_.
1197         (Scan_relocs::~Scan_relocs): New function.
1198         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1199         symtab_lock_.
1200         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1201         next_blocker_.
1202         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1203         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1204         constructor accordingly.
1205         (class Gc_process_relocs): Likewise.
1206         (class Scan_relocs): Likewise.
1207         * common.h (class Allocate_commons_task): Remove symtab_lock_
1208         field, and corresponding constructor parameter.
1209         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1210         symtab_lock_.
1211         (Allocate_commons_task::locks): Likewise.
1212
1213 2010-02-11  Ian Lance Taylor  <iant@google.com>
1214
1215         * gold-threads.h (class Once): Define.
1216         (class Initialize_lock): Rewrite as child of Once.
1217         * gold-threads.cc (class Once_initialize): Define.
1218         (once_pointer_control): New static variable.
1219         (once_pointer, once_arg): New static variables.
1220         (c_run_once): New static function.
1221         (Once::Once, Once::run_once, Once::internal_run): New functions.
1222         (class Initialize_lock_once): Remove.
1223         (initialize_lock_control): Remove.
1224         (initialize_lock_pointer): Remove.
1225         (initialize_lock_once): Remove.
1226         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1227         (Initialize_lock::initialize): Rewrite.
1228         (Initialize_lock::do_run_once): New function.
1229         * archive.cc (Archive::interpret_header): Only clear name if it is
1230         not already empty.
1231         * fileread.cc: Include "gold-threads.h"
1232         (file_counts_lock): New static variable.
1233         (file_counts_initialize_lock): Likewise.
1234         (File_read::release): Only increment counts when using --stats.
1235         Use a lock around the increment.
1236         * parameters.cc (class Set_parameters_target_once): Define.
1237         (set_parameters_target_once): New static variable.
1238         (Parameters::Parameters): Move here from parameters.h.
1239         (Parameters::set_target): Rewrite.
1240         (Parameters::set_target_once): New function.
1241         (Parameters::clear_target): Move here and rewrite.
1242         * parameters.h (class Parameters): Update declarations.  Add
1243         set_parameters_target_once_ field.
1244         (Parameters::Parameters): Move to parameters.cc.
1245         (Parameters::clear_target): Likewise.
1246         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1247         task.
1248         (Start_group::~Start_group): New function.
1249         (Start_group::is_runnable): New function.
1250         (Start_group::locks, Start_group::run): New functions.
1251         (Finish_group::run): Change saw_undefined to size_t.
1252         * readsyms.h (class Start_group): Define.
1253         (class Finish_group): Change saw_undefined_ field to size_t.
1254         (Finish_group::Finish_group): Remove saw_undefined and
1255         this_blocker parameters.  Change all callers.
1256         (Finish_group::set_saw_undefined): New function.
1257         (Finish_group::set_blocker): New function.
1258         * symtab.h (class Symbol_table): Change saw_undefined to return
1259         size_t.  Change saw_undefined_ field to size_t.
1260         * target-select.cc (Set_target_once::do_run_once): New function.
1261         (Target_selector::Target_selector): Initialize set_target_once_
1262         field.  Don't initialize lock_ and initialize_lock_ fields.
1263         (Target_selector::instantiate_target): Rewrite.
1264         (Target_selector::set_target): New function.
1265         * target-select.h (class Set_target_once): Define.
1266         (class Target_selector): Update declarations.  Make
1267         Set_target_once a friend.  Remove lock_ and initialize_lock_
1268         fields.  Add set_target_once_ field.
1269
1270 2010-02-10  Ian Lance Taylor  <iant@google.com>
1271
1272         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1273         queueing any tasks.
1274         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1275         (queue_middle_tasks): Add all blockers before queueing any tasks.
1276         (queue_final_tasks): Likewise.
1277         * token.h (Task_token::add_blockers): New function.
1278         * object.h (Input_objects::number_of_relobjs): New function.
1279
1280 2010-02-10  Ian Lance Taylor  <iant@google.com>
1281
1282         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1283         shared, not if not position independent.
1284         * x86_64.cc (Relocate::relocate_tls): Likewise.
1285         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1286         (tls_pie_pic_test): New target.
1287         * testsuite/Makefile.in: Rebuild.
1288
1289         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1290         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1291         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1292         * testsuite/Makefile.in: Rebuild.
1293
1294 2010-02-09  David S. Miller  <davem@davemloft.net>
1295
1296         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1297         R_SPARC_RELATIVE using ->add_local_relative().
1298         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1299
1300         * output.h (Output_data_dynamic::add_section_size): New method
1301         that takes two Output_data objects.
1302         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1303         entry param.  Handle it in initializers.
1304         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1305         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1306         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1307         arg.
1308         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1309         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1310         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1311         for dynrel_includes_plt.
1312         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1313         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1314         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1315         before .rela.plt
1316         (Target_sparc::do_finalize_sections): Update to pass true for
1317         dynrel_includes_plt.
1318         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1319         output before .rela.plt
1320         (Target_powerpc::do_finalize_sections): Update to pass true for
1321         dynrel_includes_plt when 32-bit.
1322
1323 2010-02-08  Doug Kwan  <dougkwan@google.com>
1324
1325         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1326         method.
1327         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1328         Arm_relobj::scan_section_for_cortex_a8_stubs,
1329         Arm_relobj::do_relocation_section): Instead of calling
1330         Output_section::output_address, use faster
1331         Arm_relobj::simple_input_section_output_address.
1332
1333 2010-02-08  David S. Miller  <davem@davemloft.net>
1334
1335         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1336         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1337         relocation helper function.
1338
1339         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1340         just like R_SPARC_GOT{10,13,22}.
1341         (Target_sparc::Scan::local): Likewise.
1342         (Target_sparc::Relocate:relocate): Likewise.
1343
1344 2010-02-06  Ian Lance Taylor  <iant@google.com>
1345
1346         * configure.ac: Rewrite targetobjs duplicate removal code to use
1347         only shell constructs.
1348         * configure: Rebuild.
1349
1350 2010-02-05  Doug Kwan  <dougkwan@google.com>
1351
1352         PR 11247
1353         * arm.cc (Arm_relobj::section_is_scannable): New method.
1354         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1355         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1356
1357 2010-02-04  Doug Kwan  <dougkwan@google.com>
1358
1359         PR 11247
1360         * arm-reloc-property.cc (cstdio): Include.
1361         * configure.ac (targetobjs): Remove duplicates.
1362         * configure: Regenerate.
1363         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1364         big and little endian version for a given address size.
1365
1366 2010-02-03  Doug Kwan  <dougkwan@google.com>
1367
1368         * arm-reloc-property.cc
1369         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1370         definition.
1371         * arm-reloc-property.h
1372         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1373         New method definition.
1374         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1375         declaration.
1376         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1377         overflow to N.
1378         (GOT_PREL): Change implemented to Y.
1379         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1380         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1381         (Arm_relocate_functions::movw_abs_nc): Remove method.
1382         (Arm_relocate_functions::movt_abs): Ditto.
1383         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1384         (Arm_relocate_functions::thm_movt_abs): Ditto.
1385         (Arm_relocate_functions::movw_rel_nc): Ditto.
1386         (Arm_relocate_functions::movw_rel): Ditto.
1387         (Arm_relocate_functions::movt_rel): Ditto.
1388         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1389         (Arm_relocate_functions:thm_movw_rel): Ditto.
1390         (Arm_relocate_functions:thm_movt_rel): Ditto.
1391         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1392         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1393         New method definitions.
1394         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1395         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1396         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1397         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1398         (Target_arm::Relocate::relocate): Check for non-static or
1399         unimplemented relocation code and exit early.  Change calls to
1400         Target_arm::reloc_uses_thumb_bit and
1401         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1402         instead.  Refactor code to handle similar relocations to increase
1403         code sharing.  Remove check for unsupported relocation code in switch
1404         statement.
1405         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1406         relocation property table to find out size.  Change error message to
1407         print out the name of a relocation code instead of the numeric value.
1408         (Target_arm::scan_reloc_for_stub): Use relocation property table
1409         instead of calling Target_arm::reloc_uses_thumb_bit().
1410
1411 2010-02-02  Doug Kwan  <dougkwan@google.com>
1412
1413         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1414         types of relaxed input section.
1415
1416 2010-02-02  Doug Kwan  <dougkwan@google.com>
1417
1418         * Makefile.am (HFILES): Add arm-reloc-property.h.
1419         (DEFFILES): New.
1420         (TARGETSOURCES): Add arm-reloc-property.cc
1421         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1422         (libgold_a_SOURCES): $(DEFFILES)
1423         * Makefile.in: Regenerate.
1424         * arm-reloc-property.cc: New file.
1425         * arm-reloc-property.h: New file.
1426         * arm-reloc.def: New file.
1427         * arm.cc: Update comments.
1428         (arm-reloc-property.h): New included header.
1429         (arm_reloc_property_table): New global variable.
1430         (Target_arm::do_select_as_default_target): New method definition.
1431         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1432         arm-reloc-property to targ_extra_obj.
1433         * parameters.cc (set_parameters_target): Call
1434         Target::select_as_default_target().
1435         * target.h (Target::select_as_default_target): New method definition.
1436         (Target::do_select_as_default_target): Same.
1437
1438 2010-02-01  Doug Kwan  <dougkwan@google.com>
1439
1440         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1441         first_output_text_section_.
1442         (Arm_exidx_fixup::first_output_text_section): New method definition.
1443         (Arm_exidx_fixup::first_output_text_section_): New data member.
1444         (Arm_exidx_fixup::process_exidx_section): Record the first text
1445         output section seen.
1446         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1447         and entsize in output section header.
1448
1449 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1450
1451         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1452         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1453         (Arm_relocate_functions::thm_alu11): New Method.
1454         (Arm_relocate_functions::thm_pc8): New Method.
1455         (Arm_relocate_functions::thm_pc12): New Method.
1456         (Target_arm::Scan::local): Handle the relocations.
1457         (Target_arm::Scan::global): Likewise.
1458         (Target_arm::Relocate::relocate): Likewise.
1459         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1460
1461 2010-01-29  Doug Kwan  <dougkwan@google.com>
1462
1463         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1464         of relocation types as ld.
1465
1466 2010-01-29  Doug Kwan  <dougkwan@google.com>
1467
1468         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1469         to public.
1470         (Arm_relocate_functions::thumb_branch_common): Ditto.
1471         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1472         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1473         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1474         Arm_relocate_functions::jump24): Remove.
1475         (Target_arm::Relocate::relocate): Adjust code to call
1476         Arm_relocation_functions::arm_branch_common and
1477         Arm_relocation_functions::thumb_branch_common instead of their removed
1478         wrappers.  Merge switch-cases together to reduce source code size.
1479
1480 2010-01-29  Doug Kwan  <dougkwan@google.com>
1481
1482         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1483         output_local_symbol_count_needs_update_.
1484         (Arm_relobj::output_local_symbol_count_needs_update,
1485          Arm_relobj::set_output_local_symbol_count_needs_update,
1486          Arm_relobj::update_output_local_symbol_count): New methods.
1487         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1488         member.
1489         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1490         of pointed function as in a R_ARM_PREL31 relocation.
1491         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1492         for output local symbol count updating.
1493         (Target_arm::do_relax): Update output local symbol counts in objects
1494         if necessary.
1495         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1496
1497 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1498
1499         * arm.cc: Added support for the ARM relocations:
1500         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1501         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1502         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1503         movw_prel_nc).
1504         (Arm_relocate_functions::movw_rel): New method.
1505         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1506         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1507         thm_movw_prel_nc).
1508         (Arm_relocate_functions::thm_movw_rel): New method.
1509         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1510         thm_movt_prel).
1511         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1512         relocations.
1513         (Target_arm::Scan::global): Likewise.
1514         (Target_arm::Relocate::relocate): Likewise.
1515         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1516         Likewise.
1517
1518 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1519
1520         * arm.cc: Added support for ARM group relocations.
1521         (Target_arm::reloc_needs_sym_origin): New method.
1522         (Arm_relocate_functions::calc_grp_kn): New method.
1523         (Arm_relocate_functions::calc_grp_residual): New method.
1524         (Arm_relocate_functions::calc_grp_gn): New method.
1525         (Arm_relocate_functions::arm_grp_alu): New Method.
1526         (Arm_relocate_functions::arm_grp_ldr): New Method.
1527         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1528         (Arm_relocate_functions::arm_grp_ldc): New Method.
1529         (Target_arm::Scan::local): Handle the ARM group relocations.
1530         (Target_arm::Scan::global): Likewise.
1531         (Target_arm::Relocate::relocate): Likewise.
1532         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1533         Likewise.
1534
1535 2010-01-26  Doug Kwan  <dougkwan@google.com>
1536
1537         * arm.cc (set): Include.
1538         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1539         pointer type.
1540         (Arm_output_section::Text_section_list): New type.
1541         (Arm_output_section::append_text_sections_to_list): New method.
1542         (Arm_output_section::fix_exidx_coverage): Ditto.
1543         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1544         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1545         Relobj::set_section_offset() instead of
1546         Sized_relobj::invalidate_section_offset().
1547         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1548         parameter for section headers. Ignore relocation sections for
1549         unallocated sections and EXIDX sections.
1550         (Target_arm::fix_exidx_coverage): New method.
1551         (Target_arm::output_section_address_less_than): New type.
1552         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1553         linked text section instead of the EXIDX section.
1554         (Arm_output_section::create_stub_group): Add an assertion to check
1555         that this is not an EXIDX output section.
1556         (Arm_output_section::append_text_sections_to_list): New method.
1557         (Arm_output_section::fix_exidx_coverage): Ditto.
1558         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1559         Arm_relobj::section_needs_reloc_stub_scanning.
1560         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1561         first pass.
1562         (Target_arm::fix_exidx_coverage): New method.
1563         * object.h (Relobj::set_output_section): New method.
1564         (Sized_relobj::invalidate_section_offset): Remove method.
1565         (Sized_relobj::do_invalidate_section_offset): Remove method.
1566         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1567
1568 2010-01-25  Doug Kwan  <dougkwan@google.com>
1569
1570         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1571         Fix warning due to signed and unsigned comparison on a 32-bit host.
1572
1573 2010-01-22  Doug Kwan  <dougkwan@google.com>
1574
1575         * arm.cc (Target_arm::do_relax): Record an output section for section
1576         offset adjustment it contains any stub table that has changed.
1577         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1578         offsets in an output section if necessary.
1579         * output.cc (Output_section::Output_section): Initialize
1580         section_offsets_need_adjustments_.
1581         (Output_section::add_input_section_for_script): Renamed to
1582         Output_section::add_simple_input_section.
1583         (Output_section::save_states): Add a comment.
1584         (Output_section::discard_states): New method defintion.
1585         (Output_section::adjust_section_offsets): Same.
1586         * output.h (Output_section::add_input_section_for_script): Renamed to
1587         Output_section::add_simple_input_section.
1588         (Output_section::discard_states): New method declaration.
1589         (Output_section::adjust_section_offsets): Same.
1590         (Output_section::section_offsets_need_adjustment,
1591         Output_section::set_section_offsets_need_adjustment): New method
1592         definitions.
1593         (Output_section::section_offsets_need_adjustment_): New data member.
1594         * script-sections.cc
1595         (Output_section_element_input::set_section_address): Adjust code for
1596         renaming of Output_section::add_input_section_for_script.
1597         (Orphan_output_section::set_section_address): Same.
1598
1599 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1600
1601         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1602         Fix_v4bx enum values .
1603         * gold/options.h (General_options): New option definitions.
1604         (General_options::fix_v4bx): New method.
1605         (General_options::Fix_v4bx): New enum.
1606         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1607         (General_options::parse_fix_v4bx_interworking): New method.
1608
1609 2010-01-22  Doug Kwan  <dougkwan@google.com>
1610
1611         * arm.cc (Arm_exidx_fixup): New class.
1612
1613 2010-01-21  Doug Kwan  <dougkwan@google.com>
1614
1615         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1616         classes.
1617         (Arm_exidx_section_offset_map): New type.
1618
1619 2010-01-21  Doug Kwan  <dougkwan@google.com>
1620
1621         * arm.cc (Arm_exidx_input_section): New class.
1622         (Arm_relobj::exidx_input_section_by_link,
1623         Arm_relobj::exidx_input_section_by_shndx,
1624         Arm_relobj::make_exidx_input_section): New methods.
1625         (read_arm_attributes_section): Remove.
1626         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1627         information about them.
1628         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1629         to here.
1630
1631 2010-01-20  Doug Kwan  <dougkwan@google.com>
1632
1633         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1634         Input_section_specifier to Section_id.
1635         (Target_arm::new_arm_input_section: Adjust code for change of key
1636         type.
1637         (Target_arm::find_arm_input_section): Ditto.
1638         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1639         (Section_id): Remove.
1640         (Garbage_collection::Section_id_hash): Remove.
1641         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1642         (Section_id): Remove.
1643         (Icf::Section_id_hash): Remove.
1644         * object.h (Section_id, Const_section_id, Section_id_hash,
1645         Const_section_id_hash): New type definitions.
1646         * output.cc (Output_section::add_relaxed_input_section): Change to
1647         use Const_section_id instead of Input_section_specifier as key type.
1648         (Output_section::add_merge_input_section): Ditto.
1649         (Output_section::build_relaxation_map): Change to use Section_id
1650         instead of Input_section_specifier as key type.
1651         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1652         Ditto.
1653         (Output_section::convert_input_sections_to_relaxed_sections): Change
1654         to use Const_section_id instead of Input_section_specifier as key type.
1655         (Output_section::find_merge_section): Ditto.
1656         (Output_section::find_relaxed_input_section): Ditto.
1657         * output.h (Input_section_specifier): Remove class.
1658         (Output_section::Output_section_data_by_input_section_map): Change
1659         key type to Const_section_id.
1660         (Output_section::Output_relaxed_input_section_by_input_section_map):
1661         Ditto.
1662         (Output_section::Relaxation_map): Change key type to Section_id.
1663
1664 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1665
1666         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1667         (class Arm_v4bx_stub): New class.
1668         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1669         (Stub_factory::make_arm_v4bx_stub): New method.
1670         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1671         (Stub_table::empty): Handle v4bx stubs.
1672         (Stub_table::add_arm_v4bx_stub): New method.
1673         (Stub_table::find_arm_v4bx_stub): New method.
1674         (Arm_relocate_functions::v4bx): New method.
1675         (Target_arm::fix_v4bx): New method.
1676         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1677         (Stub_table::relocate_stubs): Likewise.
1678         (Stub_table::do_write): Likewise.
1679         (Stub_table::update_data_size_and_addralign): Likewise.
1680         (Stub_table::finalize_stubs):  Likewise.
1681         (Target_arm::Scan::local): Likewise.
1682         (Target_arm::Scan::global): Likewise.
1683         (Target_arm::do_finalize_sections): Likewise.
1684         (Target_arm::Relocate::relocate): Likewise.
1685         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1686         Likewise.
1687         (Target_arm::scan_reloc_for_stub): Likewise.
1688         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1689
1690 2010-01-19  Ian Lance Taylor  <iant@google.com>
1691
1692         * output.cc (Output_section_headers::do_sized_write): Write large
1693         segment count to sh_info field.
1694         (Output_file_header::do_sized_write): For large segment count,
1695         write PN_XNUM to e_phnum field.
1696
1697 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1698
1699         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1700         (Arm_relocate_functions::thm_jump8): New function.
1701         (Arm_relocate_functions::thm_jump11): New function.
1702         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1703         R_ARM_THM_JUMP11.
1704         (Target_arm::Scan::global): Likewise.
1705         (Target_arm::Relocate::relocate): Likewise.
1706         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1707         Likewise.
1708
1709 2010-01-14  Doug Kwan  <dougkwan@google.com>
1710
1711         * arm.cc (map, utility): Include headers.
1712         (Target_arm::apply_cortex_a8_workaround): New method.
1713         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1714         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1715         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1716         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1717         the --[no-]fix-cortex-a8 command line options.
1718         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1719         (Target_arm::relocate_stub): Use addend in instruction template.
1720         * options.h (DEFINE_bool): Set the user-set flag.
1721         (General_options): Add --[no-]-fix-cortex options.
1722         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1723         : Update fast look-up map after conversion.
1724
1725 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1726
1727         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1728         in the first pass of do_layout.
1729
1730 2010-01-13  Doug Kwan  <dougkwan@google.com>
1731
1732         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1733         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1734         apparent compiler problem of not folding static constant integral
1735         data members of elfcpp::Elf_sizes<32>.
1736
1737 2010-01-13  Doug Kwan  <dougkwan@google.com>
1738
1739         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1740         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1741         Arm_relobj::scan_section_for_cortex_a8_erratum,
1742         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1743         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1744         sections to scan for relocation stubs into a new method
1745         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1746         relocation and Cortex-A8 stub scanning.
1747         (Target_arm::do_relax): Force stubs to be after stubbed sections
1748         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1749         the beginning of a new relaxation pass.  Update a comment.
1750         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1751
1752 2010-01-12  Ian Lance Taylor  <iant@google.com>
1753
1754         * target-reloc.h (visibility_error): New inline function.
1755         (relocate_section): Call visibility_error.
1756         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1757         (MOSTLYCLEANFILES): Likewise.
1758         (protected_4_pic.o, protected_3.err): New targets.
1759         * testsuite/protected_4.cc: New file.
1760
1761 2010-01-12  Doug Kwan  <dougkwan@google.com>
1762
1763         * arm.cc (Cortex_a8_reloc): New class.
1764         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1765         and cortex_a8_relocs_info_.
1766         (Target_arm::fix_cortex_a8): New method definition.
1767         (Target_arm::Cortex_a8_relocs_info): New type.
1768         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1769         New data member declarations.
1770         (Target_arm::scan_reloc_for_stub): Record information about
1771         relocations for THUMB branches that might be exempted from the
1772         Cortex-A8 workaround.
1773         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1774         at the beginning of a relaxation pass.
1775
1776 2010-01-12  Doug Kwan  <dougkwan@google.com>
1777
1778         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1779         (Arm_relobj::Mapping_symbol_position,
1780          Arm_reloj::Mapping_symbol_position_less,
1781          Arm_relobj::Mapping_symbols_info): New types.
1782         (Target_arm::is_mapping_symbol_name): New method definition.
1783         (Arm_relobj::do_count_local_symbols): Save information about mapping
1784         symbols.
1785
1786 2010-01-11  Doug Kwan  <dougkwan@google.com>
1787
1788         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1789         Arm_relocate_functions::thumb32_branch_upper,
1790         Arm_relocate_functions::thumb32_branch_lower,
1791         Arm_relocate_functions::thumb32_cond_branch_offset,
1792         Arm_relocate_functions::thumb32_cond_branch_upper,
1793         Arm_relocate_functions::thumb32_cond_branch_lower,
1794         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1795         branch offset encoding.
1796         (Arm_relocate_functions::thumb_branch_common): Use new branch
1797         offset encoding methods to avoid code duplication.
1798         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1799         (Stub_addend_reader::operator()): Use new branch encoding method
1800         to avoid code duplication.
1801
1802 2010-01-11  Doug Kwan  <dougkwan@google.com>
1803
1804         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1805         (Target_arm::do_finalize_sections): Define special EXIDX section
1806         symbols only if referenced.
1807         * gc.h (Garbage_collection::add_reference): New method.
1808         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1809         code duplication.
1810
1811 2010-01-11  Ian Lance Taylor  <iant@google.com>
1812
1813         * script.cc (Version_script_info::build_expression_list_lookup):
1814         Change complaing about duplicate wildcard match from error to
1815         warning.
1816
1817         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1818         of 2009-12-30.
1819         (Version_script_info::Version_script_info): Initialize globs_,
1820         default_version_, default_is_global_, and exact_.  Don't
1821         initialize globals_ or locals_.
1822         (Version_script_info::build_lookup_tables): Build local symbols
1823         first.
1824         (Version_script_info::unquote): New function.
1825         (Version_script_info::add_exact_match): New function.
1826         (Version_script_info::build_expression_list_lookup): Remove lookup
1827         parameter.  Add is_global parameter.  Change all callers.  Handle
1828         wildcard pattern specially.  Unquote pattern.  Call
1829         add_exact_match.
1830         (Version_script_info::get_name_to_match): New function.
1831         (Version_script_info::get_symbol_version): New function.
1832         (Version_script_info::get_symbol_version_helper): Remove.
1833         (Version_script_info::check_unmatched_names): Call unquote.
1834         * script.h (class Version_script_info): Change get_symbol_version
1835         to be non-inline and add is_global parameter; change all callers.
1836         Rewrite symbol_is_local.  Update declarations.  Define struct
1837         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1838         Remove globals_ and locals_ members.  Add exact_, globs_,
1839         default_version_, is_global_.
1840         (Version_script_info::Glob): Remove pattern, add expression and
1841         is_global.  Update constructor.  Change all callers.
1842         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1843         default version.
1844         (Versions::symbol_section_contents): If a symbol is undefined, or
1845         defined in a dynamic object, set the version index to
1846         VER_NDX_LOCAL.
1847         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1848         symbol_is_local.
1849         (Symbol_table::add_from_pluginobj): Likewise.
1850         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1851
1852 2010-01-11  Doug Kwan  <dougkwan@google.com>
1853
1854         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1855         (incremental_dump_LDADD): Add linking option for libintl.
1856         * Makefile.in: Regenerate.
1857
1858 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1859
1860         PR gold/11144
1861         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1862         instead of -Ds.
1863         * testsuite/Makefile.in: Regenerated.
1864
1865 2010-01-10  Doug Kwan  <dougkwan@google.com>
1866
1867         * options.h (DEFINE_var): Use parentheses around argument varname__
1868         in macro body to avoid any unintended subsequent substitutions.
1869
1870 2010-01-10  Ian Lance Taylor  <iant@google.com>
1871
1872         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1873         candidates before doing symbol resolution.
1874
1875         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1876         ODR candidates if only one is weak.
1877
1878 2010-01-08  Ian Lance Taylor  <iant@google.com>
1879
1880         * script.cc (Version_script_info::build_expression_list_lookup):
1881         Don't warn about ambiguous version, just record the ambiguity.
1882         (Version_script_info::get_symbol_version_helper): Give error if
1883         version is ambiguous.
1884
1885 2010-01-08  Doug Kwan  <dougkwan@google.com>
1886
1887         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1888           prev_data_size_ and prev_addralign_.  Remove initializer for
1889           deleted data member has_been_changed_.
1890           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1891           to determine if the table is empty.
1892           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1893           Remove.
1894           (Stub_table::add_reloc_stub): Define method in class definition
1895           instead of just declaring it there.
1896           (Stub_table::add_cortex_a8_stub): New method definition.
1897           (Stub_table::update_data_size_and_addralign): Ditto.
1898           (Stub_table::finalize_stubs): Ditto.
1899           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1900           (Stub_table::do_addralign_): Return address alignment in the
1901           (Stub_table::do_reset_address_and_file_offset): Define method in
1902           class definition instead of declaring it there.  Set current data
1903           size to be the data size of the previous pass.
1904           (Stub_table::set_final_data_size): Use current data size as the
1905           final data size.
1906           (Stub_table::relocate_stub): Change parameter type of stub from
1907           Reloc_stub pointer to Stub pointer.
1908           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1909           (Stub_table::Cortex_a8_stub_list): New typedef.
1910           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1911            Stub_table::prev_addralign_): New data member.
1912           (Arm_relobj::Arm_relobj): Initialize data member
1913           section_has_cortex_a8_workaround_.
1914           (Arm_relobj::section_has_cortex_a8_workaround,
1915            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1916            definitions.
1917           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1918           declarations.
1919           (Target_arm::relocate_stub): Change parameter type of stub from
1920           Reloc_stub pointer to Stub pointer.
1921           (Insn_template::size, Insn_template::alignment): Handle
1922           THUMB16_SPECIAL_TYPE.
1923           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1924            Stub_table::update_data_size_and_addralign,
1925            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1926           definitions.
1927           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1928           (Stub_table::do_write): Ditto.
1929           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1930
1931 2010-01-08  Ian Lance Taylor  <iant@google.com>
1932
1933         PR 11108
1934         * symtab.h (class Symbol): Remove fields is_target_special_ and
1935         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1936         (Symbol::is_defined_in_discarded_section): New function.
1937         (Symbol::set_is_defined_in_discarded_section): New function.
1938         (Symbol::has_plt_offset): Rewrite.
1939         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1940         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1941         Don't initialize is_target_special_ or has_plt_offset_.
1942         Initialize is_defined_in_discarded_section_.
1943         (Symbol_table::add_from_relobj): If appropriate, set
1944         is_defined_in_discarded_section.
1945         * resolve.cc (Symbol::override_base_with_special): Don't test
1946         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1947         * target-reloc.h (relocate_section): Do special handling for
1948         symbols defined in discarded sections for global symbols as well
1949         as local symbols.
1950
1951 2010-01-08  Ian Lance Taylor  <iant@google.com>
1952
1953         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1954         the SHT_SYMTAB case.
1955
1956 2010-01-08  Ian Lance Taylor  <iant@google.com>
1957
1958         * object.cc (Sized_relobj::do_layout): Don't get confused if
1959         layout_eh_frame returns NULL.
1960
1961 2010-01-08  Ian Lance Taylor  <iant@google.com>
1962
1963         PR 11084
1964         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1965         dynamic symbol table, use the normal symbol table.
1966         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1967         symbol table.
1968
1969 2010-01-08  Ian Lance Taylor  <iant@google.com>
1970
1971         PR 11072
1972         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1973         sections.
1974
1975 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1976
1977         * version.cc (print_version): Change to "Copyright 2010".
1978
1979 2010-01-08  Ian Lance Taylor  <iant@google.com>
1980
1981         PR 10287
1982         PR 11063
1983         * i386.cc (class Target_i386): Change return type of plt_section
1984         to be non-const.
1985         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1986         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1987         tls_desc_rel_ field.
1988         (Output_data_plt_i386::rel_tls_desc): New function.
1989         (Target_i386::rel_tls_desc_section): New function.
1990         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1991         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1992         R_386_TLS_DESC reloc in rel_tls_desc_section.
1993         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1994         Define struct Tlsdesc_info.
1995         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1996         (Target_x86_64::do_reloc_symbol_index): New function.
1997         (Target_x86_64::add_tlsdesc_info): New function.
1998         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1999         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2000         tlsdesc_rel_ field.
2001         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2002         all callers.
2003         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2004         (Target_x86_64::rela_tlsdesc_section): New function.
2005         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2006         handling.
2007         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2008         (Target_x86_64::do_reloc_addend): New function.
2009         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2010         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2011         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2012         (Output_reloc::type): New function.
2013         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2014         (Output_reloc::is_target_specific): New function.
2015         (Output_reloc::target_arg): New function.
2016         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2017         absolute relocs and target specific relocs.
2018         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2019         add_target_specific.
2020         (class Output_data_reloc) [SHT_RELA]: Likewise.
2021         * output.cc (Output_reloc::Output_reloc): Add four new versions
2022         for absolute relocs and target specific relocs.
2023         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2024         (Output_reloc::get_symbol_index): Likewise.
2025         (Output_reloc::local_section_offset): Check that local_sym_index_
2026         is not TARGET_CODE or 0.
2027         (Output_reloc::symbol_value): Likewise.
2028         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2029         reloc.
2030         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2031         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2032         functions.
2033         * layout.cc (add_target_dynamic_tags): Use output section for
2034         DT_PLTRELSZ and DT_JMPREL.
2035
2036 2010-01-07  Ian Lance Taylor  <iant@google.com>
2037
2038         PR 11061
2039         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2040         function.
2041         (class Output_data_reloc_generic): Define.
2042         (class Output_data_reloc_base): Change base class to
2043         Output_data_reloc_generic.  Change add() method to call
2044         bump_relative_reloc_count for a relative reloc.  Remove
2045         sort_relocs_ field.
2046         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2047         to sort_relocs().
2048         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2049         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2050         appropriate.
2051         * layout.h (class Layout): Update declaration.
2052
2053 2010-01-07  Ian Lance Taylor  <iant@google.com>
2054
2055         * output.h (class Output_data): Add const version of
2056         output_section and do_output_section.
2057         (class Output_section_data): Add const version of
2058         do_output_section.
2059         (class Output_section): Likewise.
2060         * layout.cc (Layout::add_target_dynamic_tags): New function.
2061         * layout.h (class Layout): Update declarations.
2062         * arm.cc (Target_arm::do_finalize_sections): Use
2063         add_target_dynamic_tags.
2064         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2065         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2066         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2067         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2068
2069 2010-01-07  Ian Lance Taylor  <iant@google.com>
2070
2071         PR 11042
2072         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2073         object as needed.
2074
2075 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2076             Ian Lance Taylor  <iant@google.com>
2077
2078         PR 11019
2079         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2080         Xindex::read_symtab_xindex.
2081
2082 2010-01-07  Doug Kwan  <dougkwan@google.com>
2083
2084         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2085         (Insn_template::thumb16_bcond_insn): New method declaration.
2086         (Insn_template): Fix spelling.
2087         (Stub::thumb16_special): New method declaration.
2088         (Stub::do_write): Define virtual method which was previously pure
2089         virtual.
2090         (Stub::do_thumb16_special): New method declaration.
2091         (Stub::do_fixed_endian_write): New template member.
2092         (Reloc_stub::do_write): Remove.
2093         (Reloc_stub::do_fixed_endian_write): Remove.
2094         (Cortex_a8_stub): New class definition.
2095         (Stub_factory::make_cortex_a8_stub): New method definition.
2096         (Stub_factory::Stub_factory): Add missing static storage class
2097         qualifier for elf32_arm_stub_a8_veneer_blx.
2098
2099 2010-01-07  Ian Lance Taylor  <iant@google.com>
2100
2101         PR 10980
2102         * options.h (class General_options): Add --warn-unresolved-symbols
2103         and --error-unresolved-symbols.
2104         * errors.cc (Errors::undefined_symbol): Implement
2105         --warn-unresolved-symbols.
2106
2107         * options.h (class General_options): Add -z text and -z textoff.
2108         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2109
2110 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2111
2112         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2113         (Garbage_collection::cident_sections): New function.
2114         (Garbage_collection::add_cident_section): New function.
2115         (Garbage_collection::cident_sections_): New member.
2116         (gc_process_relocs): Add references to sections whose names are C
2117         identifiers.
2118         * gold.h (cident_section_start_prefix): New constant.
2119         (cident_section_stop_prefix): New constant.
2120         (is_cident): New function.
2121         * layout.cc (Layout::define_section_symbols): Replace string constants
2122         with the newly defined constants.
2123         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2124         C identifiers.
2125         * testsuite/Makefile.am: Add gc_orphan_section_test.
2126         * testsuite/Makefile.in: Regenerate.
2127         * testsuite/gc_orphan_section_test.cc: New file.
2128         * testsuite/gc_orphan_section_test.sh: New file.
2129
2130 2010-01-06  Ian Lance Taylor  <iant@google.com>
2131
2132         PR 10980
2133         * options.h (class General_options): Add --warn-shared-textrel.
2134         * layout.cc (Layout::finish_dynamic_section): Implement
2135         --warn-shared-textrel.
2136
2137         PR 10980
2138         * options.h (class General_options): Add --warn-multiple-gp.
2139
2140 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2141
2142         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2143         $(THREADSLIB) and $(LIBDL).
2144         * Makefile.in: Rebuild.
2145
2146 2010-01-06  Ian Lance Taylor  <iant@google.com>
2147
2148         PR 10980
2149         * options.cc (General_options::parse_section_start): New function.
2150         (General_options::section_start): New function.
2151         (General_options::General_options): Initialize all members.
2152         * options.h: Include <map>
2153         (class General_options): Add --section-start.  Add section_starts_
2154         member.
2155         * layout.cc (Layout::attach_allocated_section_to_segment): If
2156         --section-start was used, set the address of the segment.  Remove
2157         local sort_sections.
2158         (Layout::relaxation_loop_body): If the address of the load segment
2159         has been set by --section-start, don't use it.
2160         * output.h (Output_segment::update_flags_for_output_section): New
2161         function.
2162         * output.cc (Output_segment::add_output_section): Call
2163         update_flags_for_output_section.
2164
2165 2010-01-05  Ian Lance Taylor  <iant@google.com>
2166
2167         PR 10980
2168         * options.h (class General_options): Add --undefined-version.
2169         * script.cc (struct Version_expression): Add was_matched_by_symbol
2170         field.
2171         (Version_script_info::matched_symbol): New function.
2172         (Version_script_info::get_symbol_version_helper): Call
2173         matched_symbol.
2174         (Version_script_info::check_unmatched_names): New function.
2175         * script.h (class Version_script_info): Update declarations.
2176         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2177
2178         * options.h (class General_options): Use DEFINE_bool_alias for
2179         allow_multiple_definition.
2180         * resolve.cc (Symbol_table::should_override): Don't test
2181         allow_multiple_definition.
2182
2183         PR 10980
2184         * options.h (class General_options): Add --cref.
2185         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2186         until after printing cref table.
2187         * cref.cc: Include "symtab.h".
2188         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2189         (Cref_table_compare::operator()): New function.
2190         (Cref_inputs::gather_cref): New function.
2191         (filecol): New static const.
2192         (Cref_inputs::print_cref): New function.
2193         (Cref::print_cref): New function.
2194         * cref.h: Include <cstdio>.
2195         (class Cref): Update declarations.
2196         * mapfile.h (Mapfile::file): New function.
2197         * object.h (class Object): Define Symbols.  Declare virtual
2198         do_get_global_symbols.
2199         (Object::get_global_symbols): New function.
2200         * object.cc (Input_objects::add_object): Pass object to cref_ if
2201         --cref.
2202         (Input_objects::archive_start): Likewise.
2203         (Input_objects::archive_stop): Likewise.
2204         (Input_objects::print_cref): New function.
2205         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2206         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2207         --cref.
2208         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2209         function.
2210         * plugin.h (class Sized_pluginobj): Update declarations.
2211
2212 2010-01-05  Ian Lance Taylor  <iant@google.com>
2213
2214         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2215         to is_default_version.  Rename insdef to insdefault.
2216         (Symbol_table::add_from_relobj): Rename def to is_default_version
2217         and local to is_forced_local.
2218         (Symbol_table::add_from_pluginobj): Likewise.
2219         (Symbol_table::add_from_dynobj): Likewise.
2220         (Symbol_table::define_special_symbol): Rename insdef to
2221         insdefault.
2222
2223 2010-01-04  Ian Lance Taylor  <iant@google.com>
2224
2225         PR 10980
2226         * options.h (class General_options): Add
2227         --allow-multiple-definition and -z muldefs.
2228         * resolve.cc (Symbol_table::should_override): Don't warn about a
2229         multiple symbol definition if --allow-multiple-definition or -z
2230         muldefs.
2231
2232         PR 10980
2233         * options.h (class General_options): Add --add-needed and
2234         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2235         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2236         error if --copy-dt-needed-entries aka --add-needed is used and
2237         would cause a change in behaviour.
2238
2239         PR 10980
2240         * options.h (class General_options): Add -G as a short version of
2241         --shared.  Add no-op options -assert, -g, and -i.
2242
2243 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2244
2245         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2246         check for .text or .gnu.linkonce.t sections.
2247         * icf.cc (Icf::find_identical_sections): Ditto.
2248         Change the detection for mangled function name within the section
2249         name.
2250         * icf.h (is_section_foldable_candidate): New function.
2251
2252 2009-12-30  Ian Lance Taylor  <iant@google.com>
2253
2254         PR 10980
2255         * options.h (class General_options): Permit two dashes with
2256         --retain-symbols-file.
2257
2258 2009-12-30  Ian Lance Taylor  <iant@google.com>
2259
2260         PR 10979
2261         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2262         don't put the file header and segment headers in the text
2263         segment.
2264
2265         PR 10979
2266         * common.cc (Sort_commons::operator()): Stabilize sort when both
2267         entries are NULL.
2268         (Symbol_table::do_allocate_commons_list): When allocating common
2269         symbols, skip a symbol which is no longer common.
2270         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2271         an object before checking its type.
2272         * testsuite/common_test_2.c: New file.
2273         * testsuite/common_test_3.c: New file.
2274         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2275         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2276         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2277         (common_test_2_pic.o, common_test_2.so): New targets.
2278         (common_test_3_pic.o, common_test_3.so): New targets.
2279         * testsuite/Makefile.in: Rebuild.
2280
2281         PR 10979
2282         * script.cc (read_input_script): If we see a new SECTIONS clause,
2283         and we have added an input section, give an error.
2284         * layout.h (class Layout): Add have_added_input_section function.
2285         Add have_added_input_section_ field.
2286         * layout.cc (Layout::Layout): Initialize
2287         have_added_input_section_.
2288         (Layout::layout): Set have_added_input_section_.
2289         (Layout::layout_eh_frame): Likewise.
2290
2291 2009-12-30  Ian Lance Taylor  <iant@google.com>
2292
2293         PR 10931
2294         * options.h (class General_options): Add --sort-common option.
2295         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2296         * common.cc (Sort_common): Add sort_order parameter to
2297         constructor.  Add sort_order_ field.
2298         (Sort_commons::operator): Check sort_order_.
2299         (Symbol_table::allocate_commons): Determine the sort order.
2300         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2301         Change all callers.
2302         (Symbol_table::do_allocate_commons_list): Likewise.
2303
2304 2009-12-30  Ian Lance Taylor  <iant@google.com>
2305
2306         PR 10916
2307         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2308         symbols from this object, don't change the visibility of an
2309         undefined symbol.
2310         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2311
2312 2009-12-30  Ian Lance Taylor  <iant@google.com>
2313
2314         PR 10861
2315         * script.h (class Version_script_info): Define Language enum.
2316         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2317         new fields globals_, locals_, and is_finalized_.
2318         * script.cc: Various formatting fixes.
2319         (class Parser_closure): Change language_stack_ from a vector of
2320         std::string to one of Version_script_info::Language.  Adjust all
2321         uses accordingly.
2322         (class Lazy_demangler): Remove.
2323         (struct Version_expression): Change language from std::string to
2324         Version_script_info::Language.
2325         (Version_script_info::Version_script_info): New function.
2326         (Version_script_info::~Version_script_info): Don't call clear.
2327         (Version_script_info::finalize): New function.
2328         (Version_script_info::build_lookup_tables): New function.
2329         (Version_script_info::build_expression_list_lookup): New
2330         function.
2331         (Version_script_info::get_symbol_version_helper): Rewrite to use
2332         lookup tables.
2333         (Version_script_info::print_expression_list): Adjust to use
2334         Version_script_info::Language.
2335         (script_push_lex_into_version_mode): Check that the version script
2336         has not been finalized.
2337         (version_script_push_lang): Change language string to
2338         Version_script_info::Language.
2339         * options.cc (Command_line::version_script): New function.
2340         * options.h (class General_options): Add finalize_dynamic_list
2341         function.  Change version_script from declaration to definition.
2342         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2343         * testsuite/version_script.map: Remove duplicate def of foo.
2344         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2345         version_script.map.
2346         * testsuite/Makefile.in: Rebuild.
2347
2348 2009-12-30  Ian Lance Taylor  <iant@google.com>
2349
2350         PR 10843
2351         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2352         if the input symbol index is 0, make the output symbol index 0.
2353
2354 2009-12-30  Ian Lance Taylor  <iant@google.com>
2355
2356         PR 10670
2357         * options.h (class General_options): Add -x/--discard-all.
2358         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2359         --discard-all.  If the local symbol needs a dynamic entry, check
2360         that before handling --discard-locals.
2361
2362 2009-12-30  Ian Lance Taylor  <iant@google.com>
2363
2364         PR 10450
2365         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2366         flags to PF_R.
2367         (Output_segment::add_output_section): Don't change the flags if
2368         the type is PT_TLS.
2369
2370         PR 10450
2371         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2372         GNU hash table if they need a dynamic value.  Otherwise, don't add
2373         them if they are defined in a dynamic object or are forced local.
2374
2375 2009-12-29  Ian Lance Taylor  <iant@google.com>
2376
2377         PR 10450
2378         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2379         .gnu.hash table for a 32-bit target.
2380
2381         PR 10450
2382         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2383         regular and a dynamic object only needs a dynamic symbol table
2384         entry if it is externally visible.
2385
2386         PR 10450
2387         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2388         constructor.  Add global_offset_table_ field.
2389         (Target_i386::got_section): Set global_offset_table_.
2390         (Target_i386::do_finalize_sections): Set global_offset_table_
2391         size.
2392         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2393         in constructor.  Add global_offset_table_ field.
2394         (Target_x86_64::got_section): Set global_offset_table_.
2395         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2396         size.
2397
2398         * layout.cc (Layout::Layout): Initialize increase_relro_.
2399         (Layout::get_output_section): Add is_relro, is_last_relro, and
2400         is_first_non_relro parameters.  Change all callers.
2401         (Layout::choose_output_section): Likewise.
2402         (Layout::add_output_section_data): Likewise.
2403         (Layout::make_output_section): Likewise.
2404         (Layout::set_segment_offsets): Clear increase_relro when using a
2405         linker script.
2406         * layout.h (class Layout): Add increase_relro method.  Add
2407         increase_relro_ field.  Update declarations.
2408         * output.cc (Output_section::Output_section): Initialize
2409         is_last_relro_ and is_first_non_relro_.
2410         (Output_segment::add_output_section): Group relro sections is
2411         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2412         (Output_segment::maximum_alignment): Remove relro handling.
2413         (Output_segment::set_section_addresses): Add increase_relro
2414         parameter.  Change all callers.  Add initial alignment to align
2415         relro sections on separate page.  Remove old relro handling.
2416         (Output_segment::set_section_list_addresses): Remove in_relro
2417         parameter.  Change all callers.
2418         (Output_segment::set_offset): Add increase parameter.  Change all
2419         callers.  Remove old relro handling.
2420         * output.h (class Output_section): Add new methods: is_last_relro,
2421         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2422         Add is_last_relro_ and is_first_non_relro_ fields.
2423         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2424         Create separate .got.plt section.  Call increase_relro.
2425         * x86_64.cc (Target_x86_64::got_section): Likewise.
2426         * testsuite/relro_script_test.t: Add .got.plt.
2427
2428         PR 10450
2429         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2430         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2431         (Layout::finalize): Call set_dynamic_symbol_size.
2432         (Layout::set_dynamic_symbol_size): New function.
2433         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2434         set_dynamic_symbol_size.
2435
2436         PR 10450
2437         * output.h (class Output_section): Add is_entsize_zero_ field.
2438         * output.cc (Output_section::Output_section): Initialize
2439         is_entsize_zero_.
2440         (Output_section::set_entsize): If two different entsizes are
2441         requested, force it to zero.
2442         (Output_section::add_input_section): Set flags for .debug_str
2443         before updating section flags.  Set entsize.
2444         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2445         and SHF_STRING if all input sections have those flags.
2446
2447 2009-12-29   Rafael Espindola  <espindola@google.com>
2448
2449         * main.cc (main): Fix the sys time reporting.
2450         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2451         reporting.
2452
2453 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2454
2455         * options.cc (General_options::parse_version): Allow -v to exit
2456         without an error if there is nothing to link.
2457
2458 2009-12-29  Ian Lance Taylor  <iant@google.com>
2459
2460         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2461         using a version of gcc before 4.1.
2462         * configure: Rebuild.
2463
2464 2009-12-28  Chris Demetriou  <cgd@google.com>
2465
2466         * attributes.cc (Output_attributes_section_data::do_write): Use
2467         std::vector::front rather than std::vector::data.
2468
2469 2009-12-28  Ian Lance Taylor  <iant@google.com>
2470
2471         * symtab.h (class Symbol_table): Add enum Defined.
2472         * resolve.cc (Symbol_table::should_override): Add defined
2473         parameter.  Change all callers.  Test whether object is NULL
2474         before calling a method on it.
2475         (Symbol_table::report_resolve_problem): Add defined parameter.
2476         Change all callers.
2477         (Symbol_table::should_override_with_special): Likewise.
2478         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2479         parameter.  Change all callers.
2480         (Symbol_table::do_define_in_output_data): Likewise.
2481         (Symbol_table::define_in_output_segment): Likewise.
2482         (Symbol_table::do_define_in_output_segment): Likewise.
2483         (Symbol_table::define_as_constant): Likewise.
2484         (Symbol_table::do_define_as_constant): Likewise.
2485         * script.h (class Symbol_assignment): Add is_defsym parameter to
2486         constructor; change all callers.
2487         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2488         parameter.  Change all callers.  Add is_defsym_ field.
2489         (class Parser_closure): Add parsing_defsym parameter to
2490         constructor; change all callers.  Add parsing_defsym accessor
2491         function.  Add parsing_defsym_ field.
2492
2493 2009-12-28  Ian Lance Taylor  <iant@google.com>
2494
2495         * gold.cc (queue_middle_tasks): Fix formatting.
2496         * object.cc (Relobj::is_section_name_included): Likewise.
2497
2498 2009-12-23  Ian Lance Taylor  <iant@google.com>
2499
2500         * i386.cc (Target_i386::do_calls_non_split): Recognize
2501         -fsplit-stack prologue for a function with a static chain.
2502         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2503         -fsplit-stack prologue when using %r11.
2504
2505 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2506
2507         * options.cc (General_options::parse_version): Make -v continue and do
2508         the link like GNU ld does.
2509
2510 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2511
2512         * Makefile.am (CCFILES): Add timer.cc.
2513         (HFILES): Add timer.h.
2514         * configure.ac: Check for sysconf and times.
2515         * main.cc: include timer.h.
2516         (main): Use Timer instead of get_run_time.
2517         * timer.cc: New.
2518         * timer.h: New.
2519         * workqueue.cc: include timer.h.
2520         (Workqueue::find_and_run_task):
2521         Report user, sys and wall time.
2522         * Makefile.in: Regenerate.
2523         * config.in: Regenerate.
2524         * configure: Regenerate.
2525
2526 2009-12-16  Doug Kwan  <dougkwan@google.com>
2527
2528         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2529         sections.
2530         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2531         relaxed input sections.
2532         * output.cc (Output_section::find_relaxed_input_section): Change
2533         return type to Output_relaxed_input_section pointer.  Adjust code
2534         for new type of relaxed_input_section_map_.
2535         * output.h (Output_section::find_relaxed_input_section): Change
2536         return type to Output_relaxed_input_section pointer.
2537         (Output_section::Output_relaxed_input_section_by_input_section_map):
2538         New type.
2539         (Output_section::relaxed_input_section_map_): Change type to
2540         Output_section::Output_relaxed_input_section_by_input_section_map.
2541         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2542         input section.
2543
2544 2009-12-15  Ian Lance Taylor  <iant@google.com>
2545
2546         * layout.cc (Layout::create_shstrtab): Only write out after input
2547         sections if we are compressing debug sections.
2548
2549 2009-12-15  Ian Lance Taylor  <iant@google.com>
2550
2551         * archive.cc (Archive::add_symbols): Only look up a symbol without
2552         a version if there is, in fact, a version.
2553
2554 2009-12-14  Ian Lance Taylor  <iant@google.com>
2555
2556         Revert -Wshadow changes, all changes from:
2557         2009-12-11  Doug Kwan  <dougkwan@google.com>
2558         2009-12-11  Nick Clifton  <nickc@redhat.com>
2559         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2560
2561 2009-12-11  Doug Kwan  <dougkwan@google.com>
2562
2563         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2564         due to -Wshadow.
2565         * attributes.cc (Object_attribute::size): Ditto.
2566         (Attributes_section_data::size): Ditto.
2567         (Attributes_section_data::Attributes_section_data): Ditto.
2568         (Output_attributes_section_data::do_write): Ditto.
2569         * attributes.h (Object_attribute::set_type): Ditto.
2570         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2571
2572 2009-12-11  Nick Clifton  <nickc@redhat.com>
2573
2574         * archive.cc: Fix shadowed variable warnings.
2575         * arm.cc: Likewise.
2576         * compressed_output.cc: Likewise.
2577         * compressed_output.h: Likewise.
2578         * configure: Likewise.
2579         * dwarf_reader.cc: Likewise.
2580         * dynobj.cc: Likewise.
2581         * dynobj.h: Likewise.
2582         * ehframe.cc: Likewise.
2583         * ehframe.h: Likewise.
2584         * errors.cc: Likewise.
2585         * expression.cc: Likewise.
2586         * fileread.cc: Likewise.
2587         * fileread.h: Likewise.
2588         * freebsd.h: Likewise.
2589         * i386.cc: Likewise.
2590         * icf.cc: Likewise.
2591         * incremental.h: Likewise.
2592         * layout.cc: Likewise.
2593         * layout.h: Likewise.
2594         * mapfile.cc: Likewise.
2595         * merge.cc: Likewise.
2596         * merge.h: Likewise.
2597         * object.cc: Likewise.
2598         * object.h: Likewise.
2599         * options.h: Likewise.
2600         * output.cc: Likewise.
2601         * output.h: Likewise.
2602         * parameters.cc: Likewise.
2603         * plugin.cc: Likewise.
2604         * powerpc.cc: Likewise.
2605         * reduced_debug_output.cc: Likewise.
2606         * reduced_debug_output.h: Likewise.
2607         * reloc.cc: Likewise.
2608         * reloc.h: Likewise.
2609         * resolve.cc: Likewise.
2610         * script-sections.cc: Likewise.
2611         * script.cc: Likewise.
2612         * script.h: Likewise.
2613         * sparc.cc: Likewise.
2614         * symtab.cc: Likewise.
2615         * symtab.h: Likewise.
2616         * target-select.cc: Likewise.
2617         * target-select.h: Likewise.
2618         * token.h: Likewise.
2619         * workqueue.cc: Likewise.
2620         * workqueue.h: Likewise.
2621         * x86_64.cc: Likewise.
2622
2623 2009-12-10  Doug Kwan  <dougkwan@google.com>
2624
2625         * arm.cc (attributes.h): New include.
2626         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2627         (Arm_relobj::~Arm_relobj): Delete object pointed by
2628         attributes_section_data_.
2629         (Arm_relobj::attributes_section_data): New method definition.
2630         (Arm_relobj::attributes_section_data_): New data member declaration.
2631         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2632         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2633         attributes_section_data_.
2634         (Arm_dynobj::attributes_section_data): New method definition.
2635         (Arm_dynobj::attributes_section_data_): New data member declaration.
2636         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2637         initialization value of may_use_blx_ to false.
2638         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2639         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2640         object attributes to compute results instead of hard-coding.
2641         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2642         Target_arm::get_secondary_compatible_arch,
2643         Target_arm::set_secondary_compatible_arch
2644         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2645         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2646         New method declarations.
2647         (Target_arm::get_aeabi_object_attribute): New method definition.
2648         (Target_arm::attributes_section_data_): New data member declaration.
2649         (read_arm_attributes_section): New template definition.
2650         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2651         (Arm_dynobj::do_read_symbols): Ditto.
2652         (Target_arm::do_finalize_sections): Merge attributes sections from
2653         input.  Check for BLX use after attributes section merging.
2654         Fix __exidx_start and __exidx_end visibility.  Create an
2655         .ARM.attributes section if necessary.
2656         (Target_arm::get_secondary_compatible_arch,
2657         Target_arm::set_secondary_compatible_arch,
2658         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2659         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2660         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2661         New method definitions.
2662
2663 2009-12-09  Ian Lance Taylor  <iant@google.com>
2664
2665         * plugin.cc (Plugin::load): Don't cast from void* to a function
2666         pointer.
2667
2668 2009-12-09  Ian Lance Taylor  <iant@google.com>
2669
2670         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2671         information fields.
2672
2673 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2674
2675         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2676         Replace two_file_shared_1.so with two_file_shared_2.so.
2677         * testsuite/Makefile.in: Regenerated.
2678
2679 2009-12-08  Doug Kwan  <dougkwan@google.com>
2680
2681         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2682         (HFILES): Add attributes.h and int_encoding.h.
2683         * Makefile.in: Regenerate.
2684         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2685         function definitions to int_encoding.cc
2686         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2687         prototypes to int_encoding.h
2688         * reduced_debug_output.cc (int_encoding.h): New include.
2689         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2690         function definitions to int_encoding.cc
2691         (insert_into_vector, read_from_pointer): Move template definitions to
2692         int_encoding.h
2693         * attributes.cc: New file.
2694         * attributes.h: New file.
2695         * int_encoding.cc: New file.
2696         * int_encoding.h: New file.
2697
2698 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2699
2700         PR gold/11055
2701         * incremental-dump.cc (dump_incremental_inputs): New.
2702         (main): Use dump_incremental_inputs.
2703
2704 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2705
2706         PR gold/10893
2707         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2708         checking elfcpp::STT_FUNC.
2709         (Target_i386::Relocate::relocate): Likewise.
2710         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2711
2712         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2713         symbols from shared libraries into normal FUNC symbols.
2714
2715         * symtab.h (Symbol): Add is_func and use it.
2716
2717 2009-12-05  Doug Kwan  <dougkwan@google.com>
2718
2719         * arm.cc (Target_arm::arm_info): Initialize new fields
2720         attributes_section and attributes_vendor.
2721         * i386.cc (Target_i386::i386_info): Same.
2722         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2723         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2724         fields attributes_section and attributes_vendor.
2725         * sparc.cc (Target_sparc::sparc_info): Same.
2726         * target.h (Target::attributes_section, Target::attributes_vendor,
2727         Target::is_attributes_section, Target::attribute_arg_type,
2728         Target::attributes_order): New method definitions.
2729         (Target::Target_info::attributes_section,
2730         Target::Target_info::attributes_vendor): New fields.
2731         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2732         virtual method definitions.
2733         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2734         attributes_section and attributes_vendor.
2735         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2736
2737 2009-12-05  Doug Kwan  <dougkwan@google.com>
2738
2739         * arm.cc: Update comments about interworking and stub generation.
2740         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2741         considered as non-PIC.
2742         (Arm_relocate_functions::base_abs): Fix formatting.
2743         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2744         of function to use GOT entry address instead of offset.
2745         (Target_arm::Scan::global): Issue an error if a symbol would need a
2746         PLT does not get one because it is untyped.  Remove code to create
2747         dynamic symbols for relative branches.
2748         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2749         takes unsigned integer instead of boolean.
2750
2751 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2752
2753         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2754         (two_file_test_LDADD): Likewise.
2755         (common_test_1_LDADD): Likewise.
2756         (exception_test_LDADD) Likewise.
2757         (weak_test_LDADD): Likewise.
2758         (many_sections_test_LDADD): Likewise.
2759         (initpri1_LDADD): Likewise.
2760         (script_test_1_LDADD): Likewise.
2761         (script_test_2_LDADD): Likewise.
2762         (justsyms_LDADD): Likewise.
2763         (binary_test_LDADD): Likewise.
2764         (large_LDADD): Likewise.
2765         * testsuite/Makefile.in: Regenerated.
2766
2767 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2768
2769         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2770         (Symbol_table::override_with_special): Likewise.
2771         (Symbol_table::add_from_object): Likewise.
2772
2773 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2774
2775         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2776         Don't set the data_offset twice.
2777
2778 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2779
2780         * testsuite/Makefile.in: Regenerate.
2781
2782 2009-12-03  Doug Kwan  <dougkwan@google.com>
2783
2784         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2785         (Target_arm::do_finalize_sections): Add parameter for symbol table
2786         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2787         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2788         parameter for symbol table pointer.
2789         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2790         an additional parameter for a pointer to symbol table.
2791         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2792         parameter for a symbol table pointer.
2793         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2794         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2795         Ditto.
2796         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2797         parameter for a symbol table pointer.
2798
2799 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2800
2801         * incremental.cc (Incremental_inputs_header)
2802         (Incremental_inputs_header_write, Incremental_inputs_entry)
2803         (Incremental_inputs_entry_write): Move ...
2804         * incremental.h (Incremental_inputs_header)
2805         (Incremental_inputs_header_write, Incremental_inputs_entry)
2806         (Incremental_inputs_entry_write): here.
2807
2808 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2809
2810         * incremental.cc (make_sized_incremental_binary): Set the target.
2811         Error if it is incompatible.
2812         * output.h (Output_file): Add filename method.
2813
2814 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2815
2816         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2817         from the get_* methods.
2818
2819 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2820
2821         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2822         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2823         Write 0 for the data_offset of scripts.
2824
2825 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2826
2827         * testsuite/Makefile.am: Add the incremental_test.sh test.
2828         * testsuite/incremental_test.sh: New.
2829         * testsuite/incremental_test_1.c: New.
2830         * testsuite/incremental_test_2.c: New.
2831
2832 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2833
2834        * incremental-dump.cc (main): Fix typos.
2835
2836 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2837
2838         PR gold/11025
2839         * incremental-dump.cc (main): Use llu to print 64 bit values.
2840
2841 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
2842             H.J. Lu  <hongjiu.lu@intel.com>
2843
2844         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2845         $(LIBDL).
2846         (incremental_dump_LDADD): Likewise.
2847         * Makefile.in: Regenerated.
2848
2849 2009-11-25  Doug Kwan  <dougkwan@google.com>
2850
2851         Revert:
2852
2853         2009-11-25  Doug Kwan  <dougkwan@google.com>
2854
2855                 * arm.cc (Target_arm::Target_arm): Move method definition
2856                 outside of class definition.  Add code to handle
2857                 --target1-rel, --target1-abs and --target2= options.
2858                 (Target_arm::get_reloc_reloc_type): Change method to be
2859                 non-static and const.
2860                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2861                 New data member declaration.
2862                 (Target_arm::Scan::local, Target_arm::Scan::global,
2863                 Target_arm::Relocate::relocate,
2864                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2865                 Adjust call to Target_arm::get_real_reloc_type.
2866                 (Target_arm::get_real_reloc_type): Use command line options
2867                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2868                 * options.h (--target1-rel, --target1-abs, --target2): New
2869                 ARM-only options.
2870
2871 2009-11-25  Doug Kwan  <dougkwan@google.com>
2872
2873         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2874         class definition.  Add code to handle --target1-rel, --target1-abs
2875         and --target2= options.
2876         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2877         and const.
2878         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2879         member declaration.
2880         (Target_arm::Scan::local, Target_arm::Scan::global,
2881         Target_arm::Relocate::relocate,
2882         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2883         call to Target_arm::get_real_reloc_type.
2884         (Target_arm::get_real_reloc_type): Use command line options to
2885         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2886         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2887         options.
2888
2889 2009-11-25  Doug Kwan  <dougkwan@google.com>
2890
2891         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2892         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2893         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2894         formatting.
2895         (Arm_relocate_functions::thm_call): Replace body with a call to
2896         Arm_relocate_functions::thumb_branch_common.
2897         (Arm_relocate_functions::thm_jump24,
2898         Arm_relocate_functions::thm_xpc22): New method definitions.
2899         (Arm_relocate_functions::thumb_branch_common): New method definition.
2900         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2901         operator.
2902         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2903         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2904
2905 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2906
2907         * Makefile.am: Build incremental-dump
2908         * Makefile.in: Regenerate.
2909         * incremental-dump.cc: New.
2910         * incremental.cc (Incremental_inputs_header_data,
2911         Incremental_inputs_entry_data): Move to incremental.h
2912         * incremental.h: (Incremental_inputs_header_data,
2913         Incremental_inputs_entry_data): Move from incremental.cc
2914
2915 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2916
2917         * incremental.cc (Incremental_inputs_header,
2918         Incremental_inputs_header_write, Incremental_inputs_entry,
2919         Incremental_inputs_entry_write): Add a typedef with the data type.
2920
2921 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2922
2923         * incremental.cc (Incremental_inputs_header,
2924         Incremental_inputs_header_write, Incremental_inputs_entry,
2925         Incremental_inputs_entry_write): Update comment about which
2926         type has the filed descriptions.
2927
2928 2009-11-15  Doug Kwan  <dougkwan@google.com>
2929
2930         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2931         (Arm_relocate_functions::arm_branch_common): Change method defintion
2932         in class definition to a method declaration and update list of formal
2933         parameters.
2934         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2935         Arm_relocation_functions::jump24): Adjust call to
2936         Arm_relocate_functions::arm_branch_common.  Update list of formal
2937         parameters.
2938         (Arm_relocate_functions::xpc25): New method definition.
2939         (Arm_relocate_functions::arm_branch_common): Move method defintion
2940         out from class definition.  Use stubs for mode-switching and extending
2941         branch ranges.
2942         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2943         specially.  Change code to enable use of stubs in ARM branches.
2944
2945 2009-11-10  Doug Kwan  <dougkwan@google.com>
2946
2947         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2948         in method declaration.
2949         (Target_arm::relocate_stub): New method declaration.
2950         (Target_arm::default_target): Change to return a pointer instead of
2951         a const reference.
2952         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2953         Target_arm::default_target.
2954         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2955         method definition.
2956         (Target_arm::relocate_section): Adjust view.
2957         (Target_arm::relocate_stub): New method definition.
2958
2959 2009-11-10  Doug Kwan  <dougkwan@google.com>
2960
2961         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2962         a format warning.
2963         * incremental.cc (open_incremental_binary): Initialized local
2964         variables to avoid warnings.
2965         * object.cc (make_elf_object): Ditto.
2966         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2967         a format warning.
2968
2969 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2970
2971         PR gold/10930
2972         * testsuite/plugin_test.c: Include "config.h".
2973
2974 2009-11-09  Doug Kwan  <dougkwan@google.com>
2975
2976         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2977         (arm_symbol_value): Remove.
2978         (Arm_relocate_functions::arm_branch_common,
2979         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2980         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2981         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2982         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2983         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2984         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2985         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2986         Arm_relocate_functions::thm_mobw_abs_nc,
2987         Arm_relocate_functions::thm_mov_abs,
2988         Arm_relocate_functions::movw_prel_nc,
2989         Arm_relocate_functions::thm_movt_abs,
2990         Arm_relocate_functions::movt_prel,
2991         Arm_relocate_functions::thm_movw_prel_nc,
2992         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2993         (Target_arm::Relocate::relocate): Only decompose address into two
2994         parts if relocation type uses the thumb-bit and pass the actual
2995         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2996         calls to methods in Arm_relocate_functions for this change.
2997
2998 2009-11-08  Ian Lance Taylor  <iant@google.com>
2999
3000         PR 10925
3001         * reloc.cc: Instantiate
3002         Sized_relobj::initialize_input_to_output_maps and
3003         Sized_relobj:free_input_to_output_maps.
3004
3005 2009-11-06  Ian Lance Taylor  <iant@google.com>
3006
3007         PR 10876
3008         * defstd.cc (in_segment): Set only_if_ref true for "end".
3009
3010 2009-11-06  Doug Kwan  <dougkwan@google.com>
3011
3012         * arm.cc (class Reloc_stub): Correct a comment.
3013         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3014         (Target_arm::scan_section_for_stubs): New method declaration.
3015         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3016         Change methods from private to protected.
3017         (Target_arm::do_may_relax): New method definition.
3018         (Target_arm::do_relax, Target_arm::group_sections,
3019         Target_arm::scan_reloc_for_stub,
3020         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3021         (Target_arm::arm_input_section_map_): New data member declaration.
3022         (Target_arm::scan_reloc_for_stub,
3023         Target_arm::scan_reloc_section_for_stubs,
3024         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3025         Target_arm::do_relax): New method definitions.
3026
3027 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3028
3029         * configure.ac: Check for (struct stat)::st_mtim
3030         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3031         * config.in: Regenerate.
3032         * configure: Regenerate.
3033
3034 2009-11-05  Ian Lance Taylor  <iant@google.com>
3035
3036         PR 10910
3037         * output.cc (Output_segment::add_output_section): Add missing
3038         return statement.
3039
3040 2009-11-04  Ian Lance Taylor  <iant@google.com>
3041
3042         PR 10880
3043         * object.h (class Object): Add is_needed and set_is_needed
3044         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3045         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3046         defined in a dynamic object and referenced by a regular object,
3047         set is_needed for the dynamic object.
3048         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3049         if the file is marked with as_needed and it is not needed.
3050
3051 2009-11-04  Ian Lance Taylor  <iant@google.com>
3052
3053         PR 10887
3054         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3055         tags if data is discarded by linker script.
3056         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3057         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3058         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3059         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3060
3061 2009-11-04  Ian Lance Taylor  <iant@google.com>
3062
3063         * layout.cc (Layout::get_output_section): Add is_interp and
3064         is_dynamic_linker_section parameters.  Change all callers.
3065         (Layout::choose_output_section): Likewise.
3066         (Layout::make_output_section): Likewise.
3067         (Layout::add_output_section_data): Add is_dynamic_linker_section
3068         parameter.  Change all callers.
3069         * layout.h (class Layout): Update declarations.
3070         * output.h (class Output_section): Add is_interp, set_is_interp,
3071         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3072         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3073         generate_code_fills_at_write_ to a bitfield.
3074         * output.cc (Output_section::Output_sections): Initialize new
3075         fields.
3076         (Output_segment::add_output_section): Add do_sort parameter.
3077         Change all callers.
3078
3079 2009-11-03  Ian Lance Taylor  <iant@google.com>
3080
3081         PR 10860
3082         * options.h (class General_options): Add --warn-common.
3083         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3084         merging two common symbols.
3085         (Symbol_table::should_override): Handle --warn-common when merging
3086         a common symbol with a defined symbol.  Use report_resolve_problem
3087         for multiple definitions.
3088         (Symbol_table::report_resolve_problem): New function.
3089         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3090
3091 2009-11-03  Doug Kwan  <dougkwan@google.com>
3092
3093         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3094         stub_factory_.
3095         (Target_arm::stub_factory): New method definition.
3096         (Target_arm::new_arm_input_section,
3097         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3098         Target_arm::reloc_uses_thumb_bit): New method declarations.
3099         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3100         New type definitions.
3101         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3102         member declarations.
3103         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3104         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3105         New method definitions.
3106
3107 2009-11-03  Ian Lance Taylor  <iant@google.com>
3108
3109         * options.h (class General_options): Add --warn_constructors.
3110
3111 2009-11-03  Ian Lance Taylor  <iant@google.com>
3112
3113         PR 10893
3114         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3115         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3116
3117 2009-11-03  Ian Lance Taylor  <iant@google.com>
3118
3119         PR 10895
3120         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3121         --msgid-bugs-address.
3122         (install-pdf): New target.
3123         (install-data_yes): Look up one directory to find mkinstalldirs.
3124
3125 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3126
3127         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3128         tree.
3129
3130 2009-10-30  Doug Kwan  <dougkwan@google.com>
3131
3132         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3133
3134 2009-10-30  Doug Kwan  <dougkwan@google.com>
3135
3136         * arm.cc (Stub_addend_reader): New struct template definition
3137         and partial specializations.
3138         (Stub_addend_reader::operator()): New method definition for a
3139         partially specialized template.
3140
3141 2009-10-30  Doug Kwan  <dougkwan@google.com>
3142
3143         * arm.cc (Arm_relobj::processor_specific_flags): New method
3144         definition.
3145         (Arm_relobj::do_read_symbols): New method declaration.
3146         (Arm_relobj::processor_specific_flags_): New data member declaration.
3147         (Arm_dynobj): New class definition.
3148         (Target_arm::do_finalize_sections): Add input_objects parameter.
3149         (Target_arm::do_adjust_elf_header): New method declaration.
3150         (Target_arm::are_eabi_versions_compatible,
3151         (Target_arm::merge_processor_specific_flags): New method declaration.
3152         (Target_arm::do_make_elf_object): New overloaded method definitions
3153         and declaration.
3154         (Arm_relobj::do_read_symbols): New method definition.
3155         (Arm_dynobj::do_read_symbols): Ditto.
3156         (Target_arm::do_finalize_sections): Add input_objects parameters.
3157         Merge processor-specific flags from all input objects.
3158         (Target_arm::are_eabi_versions_compatible,
3159         Target_arm::merge_processor_specific_flags,
3160         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3161         New method definitions.
3162         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3163         Input_objects pointer type parameter.
3164         * layout.cc (Layout::finalize): Pass input objects to target's.
3165         finalize_sections function.
3166         * output.cc (Output_file_header::do_sized_write): Set ELF file
3167         header's processor-specific flags.
3168         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3169         Input_objects pointer type parameter.
3170         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3171         * target.h (Input_objects): New forward class declaration.
3172         (Target::processor_specific_flags,
3173         Target::are_processor_specific_flags_sect): New method definitions.
3174         (Target::finalize_sections): Add input_objects parameter.
3175         (Target::Target): Initialize processor_specific_flags_ and
3176         are_processor_specific_flags_set_.
3177         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3178         parameter.
3179         (Target::set_processor_specific_flags): New method definition.
3180         (Target::processor_specific_flags_,
3181         Target::are_processor_specific_flags_set_): New data member
3182         declarations.
3183         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3184         Input_objects pointer type parameter.
3185
3186 2009-10-30  Doug Kwan  <dougkwan@google.com>
3187
3188         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3189
3190 2009-10-28  Ian Lance Taylor  <iant@google.com>
3191
3192         * object.h (class Relobj): Drop options parameter from
3193         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3194         do_scan_relocs, do_relocate.  Change all callers.
3195         (class Sized_relobj): Drop options parameters from
3196         do_gc_process_relocs, do_scan_relocs, do_relocate,
3197         do_relocate_sections, relocate_sections, emit_relocs_scan,
3198         emit_relocs_scan_reltype.  Change all callers.
3199         (struct Relocate_info): Remove options field and all references to
3200         it.
3201         * reloc.h (class Read_relocs): Remove options constructor
3202         parameter and options_ field.  Change all callers.
3203         (class Gc_process_relocs, class Scan_relocs): Likewise.
3204         (class Relocate_task): Likewise.
3205         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3206         all callers.
3207         (scan_relocatable_relocs): Likewise.
3208         * target.h (class Sized_target): Remove options parameter from
3209         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3210         all callers.
3211         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3212         callers.
3213         * arm.cc: Update functions to remove options parameters.
3214         * i386.cc: Likewise.
3215         * powerpc.cc: Likewise.
3216         * sparc.cc: Likewise.
3217         * x86_64.cc: Likewise.
3218         * testsuite/testfile.cc: Likewise.
3219
3220 2009-10-28  Doug Kwan  <dougkwan@google.com>
3221
3222         * arm.cc (Arm_relobj): New class definition.
3223         (Arm_relobj::scan_sections_for_stubs,
3224         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3225         New method definitions.
3226
3227 2009-10-28  Cary Coutant  <ccoutant@google.com>
3228
3229         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3230         (Plugin::cleanup_done_): New member.
3231         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3232         (Plugin_manager::cleanup_done_): Remove.
3233         (Plugin_manager::add_input_file): Edit error message.
3234         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3235         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3236
3237 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3238
3239         * fileread.cc: (File_read::View::~View): Use the new
3240         data_ownership_ filed.
3241         (File_read::~File_read): Dispose the new whole_file_view_.
3242         (File_read::open): Mmap the whole file if needed.
3243         (File_read::open): Use whole_file_view_ instead of contents_.
3244         (File_read::find_view): Use whole_file_view_ if applicable.
3245         (File_read::do_read): Use whole_file_view_ instead of contents_.
3246         (File_read::make_view): Use whole_file_view_ instead of contents_,
3247         update File_read::View::View call.
3248         (File_read::find_or_make_view): Update File_read::View::View
3249         call.
3250         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3251         remove contents_
3252         (File_read::View::Data_ownership): New enum.
3253         (File_read::View::View): Replace bool mapped_ with Data_ownership
3254         argument.
3255         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3256         (File_read::View::data_ownership_): New field.
3257         (File_read::contents_): Remove (replaced by whole_file_view_).
3258         (File_read::whole_file_view_): New field.
3259         * options.h (class General_options): Add --keep-files-mapped.
3260
3261 2009-10-27  Cary Coutant  <ccoutant@google.com>
3262
3263         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3264         * testsuite/Makefile.am (plugin_test_5): New test case.
3265         * testsuite/Makefile.in: Regenerate.
3266
3267 2009-10-25  Doug Kwan  <dougkwan@google.com>
3268
3269         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3270         from private to protected to allow access by child class.
3271         (Sized_relobj::do_relocate_sections): New method declaration.
3272         (Sized_relobj::relocate_sections): Virtualize.
3273         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3274         Sized_relobj::relocate_sections.  Instantiate template explicitly
3275         for different target sizes and endianity.
3276
3277 2009-10-24  Doug Kwan  <dougkwan@google.com>
3278
3279         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3280         (Arm_input_section::as_arm_input_section): New method.
3281         (Arm_output_section): New class definition.
3282         (Arm_output_section::create_stub_group,
3283         Arm_output_section::group_sections): New method definitions.
3284
3285 2009-10-22  Doug Kwan  <dougkwan@google.com>
3286
3287         * arm.cc (Arm_input_section): New class definition.
3288         (Arm_input_section::init, Arm_input_section:do_write,
3289         Arm_input_section::set_final_data_size,
3290         Arm_input_section::do_reset_address_and_file_offset): New method
3291         definitions.
3292
3293 2009-10-21  Doug Kwan  <dougkwan@google.com>
3294
3295         * arm.cc (Stub_table, Arm_input_section): New forward class
3296         declarations.
3297         (Stub_table): New class defintion.
3298         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3299         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3300         New method definition.
3301
3302 2009-10-21  Doug Kwan  <dougkwan@google.com>
3303
3304         * arm.cc: Update copyright comments.
3305         (Target_arm): New forward class template declaration.
3306         (Arm_address): New type.
3307         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3308         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3309         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3310         constants.
3311         (Insn_template): Same.
3312         (DEF_STUBS): New macro.
3313         (Stub_type): New enum type.
3314         (Stub_template): New class definition.
3315         (Stub): Same.
3316         (Reloc_stub): Same.
3317         (Stub_factory): Same.
3318         (Target_arm::Target_arm): Initialize may_use_blx_ and
3319         should_force_pic_veneer_.
3320         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3321         Target_arm::should_force_pic_veneer,
3322         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3323         Target_arm::using_thumb_only, Target_arm:;default_target): New
3324         method defintions.
3325         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3326         New data member declarations.
3327         (Insn_template::size, Insn_template::alignment): New method defintions.
3328         (Stub_template::Stub_template): New method definition.
3329         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3330         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3331         (Stub_factory::Stub_factory): New method definition.
3332         * gold.h (string_hash): New template.
3333         * output.h (Input_section_specifier::hash_value): Use
3334         gold::string_hash.
3335         (Input_section_specifier::string_hash): Remove.
3336         * stringpool.cc (Stringpool_template::string_hash): Use
3337         gold::string_hash.
3338
3339 2009-10-20  Doug Kwan  <dougkwan@google.com>
3340
3341         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3342         symbols of relaxed input sections.
3343         * output.h (Output_section::find_relaxed_input_section): Make
3344         method public.
3345
3346 2009-10-16  Doug Kwan  <dougkwan@google.com>
3347
3348         * dynobj.cc (Versions::Versions): Initialize version_script_.
3349         Only insert base version symbol definition for a shared object
3350         if version script defines any version versions.
3351         (Versions::define_base_version): New method definition.
3352         (Versions::add_def): Check that base version is not needed.
3353         (Versions::add_need): Define base version lazily.
3354         * dynobj.h (Versions::define_base_version): New method declaration.
3355         (Versions::needs_base_version_): New data member declaration.
3356         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3357         (check_DATA): Add no_version_test.stdout.
3358         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3359         New make rules.
3360         * testsuite/Makefile.in: Regenerate.
3361         * testsuite/no_version_test.c: New file.
3362         * testsuite/no_version_test.sh: Ditto.
3363
3364 2009-10-16  Doug Kwan  <dougkwan@google.com>
3365
3366         * expression.cc (class Segment_start_expression): New class definition.
3367         (Segment_start_expression::value): New method definition.
3368         (script_exp_function_segment_start): Return a new
3369         Segment_start_expression.
3370         * gold/script-c.h (script_saw_segment_start_expression): New function
3371         prototype.
3372         * script-sections.cc (Script_sections::Script_sections): Initialize
3373         SAW_SEGMENT_START_EXPRESSION_ to false.
3374         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3375         and -Tbbs options to specify section addresses if given in
3376         command line and no SEGMENT_START expression is seen in a script.
3377         * script-sections.h (Script_sections::saw_segment_start_expression,
3378         Script_sections::set_saw_segment_start_expression): New method
3379         definition.
3380         (Script_sections::saw_segment_start_expression_): New data member
3381         declaration.
3382         * script.cc (script_saw_segment_start_expression): New function.
3383         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3384         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3385         script_test_7.sh and script_test_8.sh.
3386         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3387         script_test_8.stdout.
3388         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3389         (script_test_6, script_test_6.stdout, script_test_7,
3390         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3391         * Makefile.in: Regenerate.
3392         * testsuite/script_test_6.sh: New file.
3393         * testsuite/script_test_6.t: Same.
3394         * testsuite/script_test_7.sh: Same.
3395         * testsuite/script_test_7.t: Same.
3396         * testsuite/script_test_8.sh: Same.
3397
3398 2009-10-16  Doug Kwan  <dougkwan@google.com>
3399
3400         * output.cc (Output_segment::set_section_list_address): Cast
3401         expressions to unsigned long long type to avoid format warnings.
3402
3403 2009-10-15  Ian Lance Taylor  <iant@google.com>
3404
3405         * script.cc (Script_options::add_symbol_assignment): Always add a
3406         dot assignment to script_sections_.
3407         * script-sections.cc (Script_sections::add_dot_assignment):
3408         Initialize if necessary.
3409
3410         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3411         program headers with no load segment if there is a linker script.
3412
3413         * layout.cc (Layout::set_segment_offsets): Align the file offset
3414         to the segment aligment for -N or -n with no load segment.
3415         * output.cc (Output_segment::add_output_section): Don't crash if
3416         the first section is a TLS section.
3417         (Output_segment::set_section_list_addresses): Print an error
3418         message if the address moves backward in a linker script.
3419         * script-sections.cc
3420         (Output_section_element_input::set_section_addresses): Don't
3421         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3422         (Orphan_output_section::set_section_addresses): Likewise.
3423
3424 2009-10-15  Doug Kwan  <dougkwan@google.com>
3425
3426         * layout.cc (Layout::finish_dynamic_section): Generate tags
3427         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3428         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3429         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3430
3431 2009-10-14  Ian Lance Taylor  <iant@google.com>
3432
3433         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3434         fields.
3435         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3436         data_shdr fields of relinfo.
3437         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3438         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3439         R_386_TLS_LDO_32, adjust based on section flags.
3440         (Target_i386::Relocate::fix_up_ldo): Remove.
3441
3442 2009-10-13  Ian Lance Taylor  <iant@google.com>
3443
3444         Add support for -pie.
3445         * options.h (class General_options): Add -pie and
3446         --pic-executable.
3447         (General_options::output_is_position_independent): Test -pie.
3448         (General_options::output_is_executable): Return true if not shared
3449         and not relocatable.
3450         (General_options::output_is_pie): Remove.
3451         * options.cc (General_options::finalize): Reject incompatible uses
3452         of -pie.
3453         * gold.cc (queue_middle_tasks): A -pie link is not static.
3454         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3455         * symtab.cc (Symbol::final_value_is_known): Return false if
3456         output_is_position_independent.
3457         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3458         output_is_position_independent.
3459         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3460         output_is_position_independent.
3461         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3462         output_is_position_independent.
3463         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3464         two_file_pie_test.
3465         (basic_pie_test.o, basic_pie_test): New targets.
3466         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3467         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3468         (two_file_pie_test): New target.
3469         * testsuite/Makefile.in: Rebuild.
3470         * README: Remove note saying that -pie is not supported.
3471
3472 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3473
3474         * options.h (class General_options): Add -init and -fini.
3475         * layout.cc (Layout::finish_dynamic_section): Emit
3476         given init and fini functions.
3477
3478 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3479
3480         * gc.h (gc_process_relocs): Check if icf is enabled using new
3481         function.
3482         * gold.cc (queue_initial_tasks): Likewise.
3483         (queue_middle_tasks): Likewise.
3484         * object.cc (do_layout): Likewise.
3485         * symtab.cc (is_section_folded): Likewise.
3486         * main.cc (main): Likewise.
3487         * reloc.cc (Read_relocs::run): Likewise.
3488         (Sized_relobj::do_scan_relocs): Likewise.
3489         * icf.cc (is_function_ctor_or_dtor): New function.
3490         (Icf::find_identical_sections): Check if function is ctor or dtor when
3491         safe icf is chosen.
3492         * options.h (General_options::icf): Change option to be an enum.
3493         (Icf_status): New enum.
3494         (icf_enabled): New method.
3495         (icf_safe_folding): New method.
3496         (set_icf_status): New method.
3497         (icf_status_): New variable.
3498         * (options.cc) (General_options::finalize): Set icf_status_.
3499         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3500         icf_test and icf_keep_unique_test to use the --icf enum flag.
3501         * testsuite/icf_safe_test.sh: New file.
3502         * testsuite/icf_safe_test.cc: New file.
3503
3504 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3505
3506         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3507         includes to gc.h and icf.h.
3508         * arm.cc: Include gc.h.
3509         * gold.cc: Likewise.
3510         * i386.cc: Likewise.
3511         * powerpc.cc: Likewise.
3512         * sparc.cc: Likewise.
3513         * x86_64.cc: Likewise.
3514         * gc.h: Include icf.h.
3515
3516 2009-10-11  Ian Lance Taylor  <iant@google.com>
3517
3518         * plugin.cc: Include "gold.h" before other header files.
3519
3520 2009-10-10  Chris Demetriou  <cgd@google.com>
3521
3522         * options.h (Input_file_argument::Input_file_type): New enum.
3523         (Input_file_argument::is_lib_): Replace with...
3524         (Input_file_argument::type_): New member.
3525         (Input_file_argument::Input_file_argument): Take Input_file_type
3526         'type' rather than boolean 'is_lib' as second argument.
3527         (Input_file_argument::is_lib): Use type_.
3528         (Input_file_argument::is_searched_file): New function.
3529         (Input_file_argument::may_need_search): Handle is_searched_file.
3530         * options.cc (General_options::parse_library): Support -l:filename.
3531         (General_options::parse_just_symbols): Update for Input_file_argument
3532         changes.
3533         (Command_line::process): Likewise.
3534         * archive.cc (Archive::get_file_and_offset): Likewise.
3535         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3536         * script.cc (read_script_file, script_add_file): Likewise.
3537         * fileread.cc (Input_file::Input_file): Likewise.
3538         (Input_file::will_search_for): Handle is_searched_file.
3539         (Input_file::open): Likewise.
3540         * readsyms.cc (Read_symbols::get_name): Likewise.
3541         * testsuite/Makefile.am (searched_file_test): New test.
3542         * testsuite/Makefile.in: Regenerate.
3543         * testsuite/searched_file_test.cc: New file.
3544         * testsuite/searched_file_test_lib.cc: New file.
3545
3546 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3547             Ian Lance Taylor  <iant@google.com>
3548
3549         * descriptor.cc: Include <cstdio> and "binary-io.h".
3550         (Descriptors::open): Open the files in binary mode always.
3551         * script.cc (Lex::get_token): Treat \r as whitespace.
3552
3553 2009-10-09  Ian Lance Taylor  <iant@google.com>
3554
3555         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3556
3557 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3558             Ian Lance Taylor  <iant@google.com>
3559
3560         * configure.ac: Check for readv function also.
3561         * fileread.cc (readv): Define if not HAVE_READV.
3562         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3563         does not exist.
3564         * config.in: Regenerate.
3565         * configure: Regenerate.
3566
3567 2009-10-09  Doug Kwan  <dougkwan@google.com>
3568
3569         * layout.cc (Layout::make_output_section): Call target hook to make
3570         ordinary output section.
3571         (Layout::finalize): Adjust parameter list of call the
3572         Target::may_relax().
3573         * layout.h (class Layout::section_list): New method.
3574         * merge.h (Output_merge_base::entsize): Change visibility to public.
3575         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3576         New methods.
3577         (Output_merge_string::do_is_string): New method.
3578         * object.cc (Sized_relobj::do_setup): renamed from
3579         Sized_relobj::set_up.
3580         * object.h (Sized_relobj::adjust_shndx,
3581         Sized_relobj::initializ_input_to_output_maps,
3582         Sized_relobj::free_input_to_output_maps): Change visibilities to
3583         protected.
3584         (Sized_relobj::setup): Virtualize.
3585         (Sized_relobj::do_setup): New method declaration.
3586         (Sized_relobj::invalidate_section_offset,
3587         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3588         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3589         * options.cc (parse_int): New function.
3590         * options.h (parse_int): New declaration.
3591         (DEFINE_int): New macro.
3592         (stub_group_size): New option.
3593         * output.cc (Output_section::Output_section): Initialize memebers
3594         merge_section_map_, merge_section_by_properties_map_,
3595         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3596         (Output_section::add_input_section): Handled deferred code-fill
3597         generation and remove an old comment.
3598         (Output_section::add_relaxed_input_section): New method definition.
3599         (Output_section::add_merge_input_section): Use merge section by
3600         properties map to speed to search.  Update merge section maps
3601         as appropriate.
3602         (Output_section::build_relaxation_map): New method definition.
3603         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3604         Same.
3605         (Output_section::relax_input_section): Renamed to
3606         Output_section::convert_input_sections_to_relaxed_sections and change
3607         interface to take a vector of pointers to relaxed sections.
3608         (Output_section::find_merge_section,
3609         Output_section::find_relaxed_input_section): New method definitions.
3610         (Output_section::is_input_address_mapped,
3611         Output_section::output_offset, Output_section::output_address):
3612         Use output section data maps to speed up searching.
3613         (Output_section::find_starting_output_address): Add comments.
3614         (Output_section::do_write,
3615         Output_section::write_to_postprocessing_buffer): Do code-fill
3616         generation as appropriate.
3617         (Output_section::get_input_sections): Invalidate relaxed input section
3618         map.
3619         (Output_section::restore_states): Adjust type of checkpoint .
3620         Invalidate relaxed input section map.
3621         * output.h (Output_merge_base): New class declaration.
3622         (Input_section_specifier): New class defintion.
3623         (class Output_relaxed_input_section) Change base class to
3624         Output_section_data_build.
3625         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3626         base class initializer.
3627         (Output_section::add_relaxed_input_section): New method declaration.
3628         (Output_section::Input_section): Change visibility to protected.
3629         (Output_section::Input_section::relobj,
3630         Output_section::Input_section::shndx): Handle relaxed input sections.
3631         Output_section::input_sections) Change visibility to protected.  Also
3632         define overload to return a non-const pointer.
3633         (Output_section::Merge_section_properties): New class defintion.
3634         (Output_section::Merge_section_by_properties_map,
3635         Output_section::Output_section_data_by_input_section_map,
3636         Output_section::Relaxation_map): New types.
3637         (Output_section::relax_input_section): Rename method to
3638         Output_section::convert_input_sections_to_relaxed_sections and change
3639         interface to take a vector of relaxed section pointers.
3640         (Output_section::find_merge_section,
3641         Output_section::find_relaxed_input_section,
3642         Output_section::build_relaxation_map,
3643         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3644         New method declarations.
3645         (Output_section::merge_section_map_
3646         Output_section::merge_section_by_properties_map_,
3647         Output_section::relaxed_input_section_map_,
3648         Output_section::is_relaxed_input_section_map_valid_,
3649         Output_section::generate_code_fills_at_write_): New data members.
3650         * script-sections.cc
3651         (Output_section_element_input::set_section_addresses): Call
3652         current_data_size and addralign methods of relaxed input sections.
3653         (Orphan_output_section::set_section_addresses): Call current_data_size
3654         and addralign methods of relaxed input sections.
3655         * symtab.cc (Symbol_table::compute_final_value): Extract template
3656         from the body of Symbol_table::sized_finalize_symbol.
3657         (Symbol_table::sized_finalized_symbol): Call
3658         Symbol_table::compute_final_value.
3659         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3660         (Symbol_table::compute_final_value): New templated method declaration.
3661         * target.cc (Target::do_make_output_section): New method defintion.
3662         * target.h (Target::make_output_section): New method declaration.
3663         (Target::relax): Add more parameters for input objects, symbol table
3664         and layout.  Adjust call to do_relax.
3665         (Target::do_make_output_section): New method declaration.
3666         (Target::do_relax): Add parameters for input objects, symbol table
3667         and layout.
3668
3669 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3670
3671         * pread.c: Include stdio.h.
3672
3673 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3674
3675         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3676         defined.
3677
3678 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3679
3680         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3681         Change read_shndx type to unsigned int.
3682         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3683         int.
3684         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3685         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3686         Change read_shndx type to unsigned int.
3687         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3688         int.
3689         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3690         * layout.cc (Layout::create_symtab_sections): Cast the result of
3691         local_symcount * symsize to off_t in the gold_assert.
3692
3693 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3694
3695         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3696         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3697         R_ARM_BASE_ABS.
3698         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3699         (Arm_relocate_functions::thm_abs5): New function.
3700         (Arm_relocate_functions::abs12): New function.
3701         (Arm_relocate_functions::abs16): New function.
3702         (Arm_relocate_functions::base_abs): New function.
3703         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3704         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3705         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3706         R_ARM_BASE_ABS.
3707         (Scan::global): Likewise.
3708         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3709         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3710         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3711         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3712         R_ARM_BASE_ABS.
3713
3714 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3715
3716         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3717         (Arm_relocate_functions::movt_prel): New function.
3718         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3719         (Arm_relocate_functions::thm_movt_prel): New function.
3720         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3721         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3722         (Scan::global, Relocate::relocate): Likewise.
3723         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3724
3725 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3726
3727         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3728         Incremental_checker.
3729         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3730         unsigned int.
3731         (class Incremental_inputs_header): New class.
3732         (Incremental_inputs_header_writer): Edit comment.
3733         (Incremental_inputs_entry): New class.
3734         (Incremental_inputs_entry_writer): Edit comment.
3735         (Sized_incremental_binary::do_find_incremental_inputs_section):
3736         Add *strtab_shndx parameter, fill it.
3737         (Sized_incremental_binary::do_check_inputs): New method.
3738         (Incremental_checker::can_incrementally_link_output_file): Use
3739         Sized_incremental_binary::check_inputs.
3740         (Incremental_inputs::report_command_line): Save command line in
3741         command_line_.
3742         * incremental.h:
3743         (Incremental_binary::find_incremental_inputs_section): New
3744         method.
3745         (Incremental_binary::do_find_incremental_inputs_section): Add
3746         strtab_shndx parameter.
3747         (Incremental_binary::do_check_inputs): New pure virtual method.
3748         (Sized_incremental_binary::do_check_inputs): Declare.
3749         (Incremental_checker::Incremental_checker): Add incremental_inputs
3750         parameter, use it to initialize incremental_inputs_.
3751         (Incremental_checker::incremental_inputs_): New field.
3752         (Incremental_checker::command_line): New method.
3753         (Incremental_checker::inputs): New method.
3754         (Incremental_checker::command_line_): New field.
3755
3756 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3757
3758         * incremental.cc: Include <cstdarg> and "target-select.h".
3759         (vexplain_no_incremental): New function.
3760         (explain_no_incremental): New function.
3761         (Incremental_binary::error): New method.
3762         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3763         method.
3764         (make_sized_incremental_binary): New function.
3765         (open_incremental_binary): New function.
3766         (can_incrementally_link_file): Add checks if output is ELF and has
3767         inputs section.
3768         * incremental.h: Include "elfcpp_file.h" and "output.h".
3769         (Incremental_binary): New class.
3770         (Sized_incremental_binary): New class.
3771         (open_incremental_binary): Declare.
3772         * object.cc (is_elf_object): Use
3773         elfcpp::Elf_recognizer::is_elf_file.
3774         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3775         * output.h (Output_file::filesize): New method.
3776
3777 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3778
3779         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3780         New function.
3781         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3782         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3783         function.
3784         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3785         function.
3786         (Arm_relocate_functions::movw_abs_nc): New function.
3787         (Arm_relocate_functions::movt_abs): New function.
3788         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3789         (Arm_relocate_functions::thm_movt_abs): New function.
3790         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3791         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3792         (Scan::global): Likewise.
3793         (Relocate::relocate): Likewise.
3794         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3795
3796 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3797
3798         * arm.cc (Arm_relocate_functions::got_prel) New function.
3799         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3800         (Relocate::relocate): Likewise.
3801         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3802
3803 2009-10-06  Ian Lance Taylor  <iant@google.com>
3804
3805         * options.h (class General_options): Define
3806         split_stack_adjust_size parameter.
3807         * object.h (class Object): Add uses_split_stack_ and
3808         has_no_split_stack_ fields.  Add uses_split_stack and
3809         has_no_split_stack accessor functions.  Declare
3810         handle_split_stack_section.
3811         (class Reloc_symbol_changes): Define.
3812         (class Sized_relobj): Define Function_offsets.  Declare
3813         split_stack_adjust, split_stack_adjust_reltype, and
3814         find_functions.
3815         * object.cc (Object::handle_split_stack_section): New function.
3816         (Sized_relobj::do_layout): Call handle_split_stack_section.
3817         * dynobj.cc (Sized_dynobj::do_layout): Call
3818         handle_split_stack_section.
3819         * reloc.cc (Sized_relobj::relocate_sections): Call
3820         split_stack_adjust for executable sections in split_stack
3821         objects.  Pass reloc_map to relocate_section.
3822         (Sized_relobj::split_stack_adjust): New function.
3823         (Sized_relobj::split_stack_adjust_reltype): New function.
3824         (Sized_relobj::find_functions): New function.
3825         * target-reloc.h: Include "object.h".
3826         (relocate_section): Add reloc_symbol_changes parameter.  Change
3827         all callers.
3828         * target.h (class Target): Add calls_non_split method.  Declare
3829         do_calls_non_split virtual method.  Declare match_view and
3830         set_view_to_nop.
3831         * target.cc: Include "elfcpp.h".
3832         (Target::do_calls_non_split): New function.
3833         (Target::match_view): New function.
3834         (Target::set_view_to_nop): New function.
3835         * gold.cc (queue_middle_tasks): Give an error if mixing
3836         split-stack and non-split-stack objects with -r.
3837         * i386.cc (Target_i386::relocate_section): Add
3838         reloc_symbol_changes parameter.
3839         (Target_i386::do_calls_non_split): New function.
3840         * x86_64.cc (Target_x86_64::relocate_section): Add
3841         reloc_symbol_changes parameter.
3842         (Target_x86_64::do_calls_non_split): New function.
3843         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3844         parameter.
3845         * powerpc.cc (Target_powerpc::relocate_section): Add
3846         reloc_symbol_changes parameter.
3847         * sparc.cc (Target_sparc::relocate_section): Add
3848         reloc_symbol_changes parameter.
3849         * configure.ac: Call AM_CONDITIONAL for the default target.
3850         * configure: Rebuild.
3851         * testsuite/Makefile.am (TEST_AS): New variable.
3852         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3853         (check_DATA): Add split_i386 and split_x86_64 files.
3854         (SPLIT_DEFSYMS): Define.
3855         (split_i386_[1234n].o): New targets.
3856         (split_i386_[124]): New targets.
3857         (split_i386_[1234r].stdout): New targets.
3858         (split_x86_64_[1234n].o): New targets.
3859         (split_x86_64_[124]): New targets.
3860         (split_x86_64_[1234r].stdout): New targets.
3861         (MOSTLYCLEANFILES): Add new executables.
3862         * testsuite/split_i386.sh: New file.
3863         * testsuite/split_x86_64.sh: New file.
3864         * testsuite/split_i386_1.s: New file.
3865         * testsuite/split_i386_2.s: New file.
3866         * testsuite/split_i386_3.s: New file.
3867         * testsuite/split_i386_4.s: New file.
3868         * testsuite/split_i386_n.s: New file.
3869         * testsuite/split_x86_64_1.s: New file.
3870         * testsuite/split_x86_64_2.s: New file.
3871         * testsuite/split_x86_64_3.s: New file.
3872         * testsuite/split_x86_64_4.s: New file.
3873         * testsuite/split_x86_64_n.s: New file.
3874         * testsuite/testfile.cc (Target_test): Update relocation_section
3875         function.
3876         * testsuite/Makefile.in: Rebuild.
3877
3878 2009-10-06  Ian Lance Taylor  <iant@google.com>
3879
3880         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3881         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3882         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3883         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3884         the address on ldo_addrs_.
3885         (Target_i386::Relocate::fix_up_ldo): New function.
3886
3887 2009-10-06   Rafael Espindola  <espindola@google.com>
3888
3889         * plugin.cc (add_input_library): New.
3890         (Plugin::load): Add add_input_library to tv.
3891         (Plugin_manager::add_input_file): Add the is_lib argument.
3892         (add_input_file): Update call to Plugin_manager::add_input_file.
3893         (add_input_library): New.
3894         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3895
3896 2009-09-30  Doug Kwan  <dougkwan@google.com>
3897
3898         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3899         symbol and call Symbol::may_need_copy_reloc to determine if
3900         a copy reloc is needed.
3901         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3902         nocopyreloc is given in command line.
3903         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3904         given in command line.
3905         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3906         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3907         of the removed Target_i386::may_need_copy_reloc.
3908         * options.h (copyreloc): New option with default value false.
3909         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3910         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3911         instead of the removed Target_powerpc::may_need_copy_reloc.
3912         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3913         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3914         instead of the removed Target_sparc::may_need_copy_reloc.
3915         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3916         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3917         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3918         instead of the removed Target_x86_64::may_need_copy_reloc.
3919
3920 2009-09-30  Ian Lance Taylor  <iant@google.com>
3921
3922         * object.h (class Object): Remove target_ field, and target,
3923         sized_target, and set_target methods.
3924         (Object::sized_target): Remove.
3925         (class Sized_relobj): Update declarations.  Remove sized_target.
3926         * object.cc (Sized_relobj::setup): Remove target parameter.
3927         Change all callers.
3928         (Input_objects::add_object): Don't do anything with the target.
3929         (make_elf_sized_object): Add punconfigured parameter.  Change all
3930         callers.  Set or test parameter target.
3931         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3932         Change all callers.
3933         * parameters.cc (Parameters::set_target): Change parameter type to
3934         be non-const.
3935         (Parameters::default_target): Remove.
3936         (set_parameters_target): Change parameter type to be non-const.
3937         (parameters_force_valid_target): New function.
3938         (parameters_clear_target): New function.
3939         * parameters.h (class Parameters): Update declarations.  Remove
3940         default_target method.  Add sized_target and clear_target
3941         methods.  Change target_ to be non-const.
3942         (set_parameters_target): Update declaration.
3943         (parameters_force_valid_target): Declare.
3944         (parameters_clear_target): Declare.
3945         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3946         as NULL if we aren't searching.
3947         (Add_symbols::run): Don't check for compatible target.
3948         * fileread.cc (Input_file::open_binary): Call
3949         parameters_force_valid_target.
3950         * gold.cc (queue_middle_tasks): Likewise.
3951         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3952         set_target on object.
3953         * dynobj.h (class Sized_dynobj): Update declarations.
3954         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3955         make_elf_object returns NULL.
3956         (Archive::include_member): Don't check whether object target is
3957         compatible.
3958         * output.cc (Output_section::add_input_section): Get target from
3959         parameters.
3960         (Output_section::relax_input_section): Likewise.
3961         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3962         parameters.
3963         (Sized_relobj::do_scan_relocs): Likewise.
3964         (Sized_relobj::relocate_sections): Likewise.
3965         * resolve.cc (Symbol_table::resolve): Likewise.
3966         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3967         parameter.  Change all callers.
3968         (Symbol_table::add_from_object): Get target from parameters.
3969         (Symbol_table::add_from_relobj): Don't check object target.
3970         (Symbol_table::add_from_dynobj): Likewise.
3971         (Symbol_table::define_special_symbol): Get target from
3972         parameters.
3973         * symtab.h (class Symbol_table): Update declaration.
3974         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3975         parameter.  Change all callers.  Clear parameter target.
3976         (Binary_test): Test target here.
3977         * testsuite/object_unittest.cc (gold_testsuite): Remove
3978         target_test_pointer parameter.  Change all callers.
3979         (Object_test): Test target here.
3980
3981 2009-09-26  Ian Lance Taylor  <iant@google.com>
3982
3983         * testsuite/initpri1.c: Don't try to use constructor priorities if
3984         compiling with gcc before 4.3.
3985
3986 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3987
3988         * testsuite/retain_symbols_file_test.sh (check_present): Change
3989         output file name to retain_symbols_file_test.stdout.
3990         (check_absent): Likewise.
3991
3992 2009-09-18  Craig Silverstein  <csilvers@google.com>
3993
3994         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3995         * options.cc: Include <cerrno> and <fstream>.
3996         (General_options::finalize): Parse -retain-symbols-file tag.
3997         * options.h: New flag.
3998         (General_options): New method should_retain_symbol, new
3999         variable symbols_to_retain.
4000         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4001         should_retain_symbol map.
4002         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4003         * testsuite/Makefile.in: Regenerate.
4004         * testsuite/retain_symbols_file_test.sh: New file.
4005
4006 2009-09-18  Nick Clifton  <nickc@redhat.com>
4007
4008         * po/es.po: Updated Spanish translation.
4009
4010 2009-09-17  Doug Kwan  <dougkwan@google.com>
4011
4012         * debug.h (DEBUG_RELAXATION): New constant.
4013         (DEBUG_ALL): Add DEBUG_RELAXATION.
4014         (debug_string_to_enum): Add relaxation debug option.
4015         * layout.cc
4016         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4017         Layout::Relaxation_debug_check::read_sections,
4018         Layout::Relaxation_debug_check::read_sections): New method definitions.
4019         (Layout::Layout): Initialize data members
4020         record_output_section_data_from_scrips_,
4021         script_output_section_data_list_ and relaxation_debug_check_.
4022         (Layout::save_segments, Layout::restore_segments,
4023         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4024         Layout::relaxation_loop_body): New method definitions.
4025         (Layout::finalize): Support relaxation.  Move section layout code to
4026         Layout::relaxation_loop_body.
4027         (Layout::set_asection_address_from_script): Move code for orphan
4028         section placement out.
4029         (Layout::place_orphan_sections_in_script): New method definition.
4030         * layout.h (Output_segment_headers, Output_file_header):
4031         New forward class declarations.
4032         (Layout::~Layout): Define.
4033         (Layout::new_output_section_data_from_script): New method definition.
4034         (Layout::place_orphan_sections_in_script): New method declaration.
4035         (Layout::Segment_states): New type declaration.
4036         (Layout::save_segments, Layout::restore_segments,
4037         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4038         Layout::relaxation_loop_body): New method declarations.
4039         (Layout::Output_section_data_list): New type declaration.
4040         (Layout::Relaxation_debug_check): New class definition.
4041         (Layout::record_output_section_data_from_script_,
4042         Layout::script_output_section_data_list_, Layout::segment_states_,
4043         Layout::relaxation_debug_check_): New data members.
4044         * output.cc: (Output_section_headers::do_size): New method definition.
4045         (Output_section_headers::Output_section_headers): Move size
4046         computation to Output_section_headers::do_size.
4047         (Output_segment_headers::do_size): New method definition.
4048         (Output_file_header::Output_file_header): Move size computation to
4049         Output_file_header::do_size and call it.
4050         (Output_file_header::do_size): New method definition.
4051         (Output_data_group::Output_data_group): Adjust call to
4052         Output_section_data.
4053         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4054         (Output_symtab_xindex::do_write): Add array bound check.
4055         (Output_section::Input_section::print_to_mapfile): Handle
4056         RELAXED_INPUT_SECTION_CODE.
4057         (Output_section::Output_section): Initialize data member checkpoint_.
4058         (Output_section::~Output_section): Delete checkpoint object pointed
4059         by checkpoint_.
4060         (Output_section::add_input_section): Always add an Input_section if
4061         relaxing.
4062         (Output_section::add_merge_input_section): Add assert.
4063         (Output_section::relax_input_section): New method definition.
4064         (Output_section::set_final_data_size): Set load address to zero for
4065         an unallocated section.
4066         (Output_section::do_address_and_file_offset_have_reset_values):
4067         New method definition.
4068         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4069         Handle relaxed input section.
4070         (Output_section::sort_attached_input_sections): Checkpoint input
4071         section list lazily.
4072         (Output_section::get_input_sections): Change type of input_sections to
4073         list of Simple_input_section pointers.  Checkpoint input section list
4074         lazily.  Also handle relaxed input sections.
4075         (Output_section::add_input_section_for_script): Take a reference to
4076         a Simple_input_section object instead of Relobj pointer and section
4077         index as parameter.  Handle relaxed input sections.
4078         (Output_section::save_states, Output_section::restore_states): New
4079         method definitions.
4080         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4081         (Output_data::is_data_size_fixed): New method definition.
4082         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4083         if it is fixed.
4084         (Output_data::address_and_file_offset_have_reset_values): New method
4085         definition.
4086         (Output_data::do_address_and_file_offset_have_reset_values): New method
4087         definition.
4088         (Output_data::set_data_size): Check that data size is not fixed.
4089         (Output_data::fix_data_size): New method definition.
4090         (Output_data::is_data_size_fixed_): New data member.
4091         (Output_section_headers::set_final_data_size): New method definition.
4092         (Output_section_headers::do_size): New method declaration.
4093         (Output_segment_headers::set_final_data_size): New method definition.
4094         (Output_segment_headers::do_size): New method declaration.
4095         (Output_file_header::set_final_data_size)::New method definition.
4096         (Output_file_header::do_size)::New method declaration.
4097         (Output_section_data::Output_section_data): Add new parameter
4098         is_data_size_fixed and use it to fix data size.
4099         (Output_data_const::Output_data_const): Adjust call to base class
4100         constructor and fix data size.
4101         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4102         base class constructor and fix data size.
4103         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4104         base class constructor and fix data size.
4105         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4106         class constructor and fix data size.
4107         (Output_data_group::set_final_data_size): New method definition.
4108         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4109         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4110         class constructor and fix data size.
4111         (Output_relaxed_input_section): New class definition.
4112         (Output_section::Simple_input_section): New class definition.
4113         (Output_section::get_input_sections): Adjust parameter list.
4114         (Output_section::add_input_section_for_script): Same.
4115         (Output_section::save_states, Output_section::restore_states,
4116         Output_section::do_address_and_file_offset_have_reset_values,
4117         (Output_section::Input_section::Input_section): Handle
4118         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4119         Output_relaxed_input_section.
4120         (Output_section::Input_section::is_input_section,
4121         Output_section::Input_section::set_output_section): Handle relaxed
4122         input section.
4123         (Output_section::Input_section::is_relaxed_input_section,
4124         Output_section::Input_section::output_section_data,
4125         Output_section::Input_section::relaxed_input_section): New method
4126         definitions.
4127         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4128         value.
4129         (Output_section::Input_section::u1_): Update comments.
4130         (Output_section::Input_section::u2_): Add new union member poris.
4131         (Output_section::Checkpoint_output_section): New classs definition.
4132         (Output_section::relax_input_section): New method declaration.
4133         (Output_section::checkpoint_): New data member.
4134         (Output_segment): Update comments.
4135         (Output_segment::Output_segment): Un-privatize copy constructor.
4136         (Output_segment::operator=): Un-privatize.
4137         * script-sections.cc (Output_section_element::Input_section_list):
4138         Change element type to Output_section::Simple_input_section.
4139         (Output_section_element_dot_assignment::set_section_addresses):
4140         Register output section data for relaxation clean up.
4141         (Output_data_exression::Output_data_expression): Adjust call to base
4142         constructor to fix data size.
4143         (Output_section_element_data::set_section_addresses): Register
4144         Output_data_expression object for relaxation clean up.
4145         (struct Input_section_info): Replace Relobj pointer and section index
4146         pair with Output_section::Simple_input_section and Convert struct to a
4147         class.
4148         (Input_section_sorter::operator()): Adjust access to
4149         Input_section_info data member to use accessors.
4150         (Output_section_element_input::set_section_addresses): Use layout
4151         parameter.  Adjust code to use Output_section::Simple_input_section
4152         and Input_secction_info classes.  Register filler for relaxation
4153         clean up.
4154         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4155         and section index pair with Output_section::Simple_input_section
4156         class.  Adjust code accordingly.
4157         (Phdrs_element::release_segment): New method definition.
4158         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4159         segment list.
4160         (Script_sections::release_segments): New method definition.
4161         * gold/script-sections.h (Script_sections::release_segments): New
4162         method declaration.
4163         * gold/target.h (Target::may_relax, Target::relax,
4164         Target::do_may_relax, Target::do_relax): New method definitions.
4165
4166 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4167
4168         * arm.cc (has_signed_unsigned_overflow): New function.
4169         (Arm_relocate_functions::abs8): New function.
4170         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4171         (Target_arm::Scan::global): Likewise.
4172         (Target_arm::relocate::relocate): Likewise.
4173         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4174         Likewise.
4175
4176 2009-09-16  Cary Coutant  <ccoutant@google.com>
4177
4178         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4179         * testsuite/Makefile.in: Regenerate.
4180
4181 2009-09-11  Nick Clifton  <nickc@redhat.com>
4182
4183         * po/gold.pot: Updated by the Translation project.
4184
4185 2009-09-08  Cary Coutant  <ccoutant@google.com>
4186
4187         * output.cc (Output_file::open): Add execute permission to empty file.
4188         * testsuite/Makefile.am (permission_test): New test.
4189         * testsuite/Makefile.in: Regenerate.
4190
4191 2009-09-02  Ian Lance Taylor  <iant@google.com>
4192
4193         * output.cc (Output_file::resize): Call map_no_anonymous rather
4194         than map.
4195
4196 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4197
4198         * gold.cc: Include "incremental.h".
4199         (queue_initial_tasks): Call Incremental_checker methods.
4200         * incremental.cc: Include "output.h".
4201         (Incremental_checker::can_incrementally_link_output_file): New
4202         method.
4203         * incremental.h (Incremental_checker): New class.
4204
4205         * output.cc (Output_file::open_for_modification): New method.
4206         (Output_file::map_anonymous): Changed return type to bool.  Record
4207         map in base_ field.
4208         (Output_file::map_no_anonymous): New method, broken out of map.
4209         (Output_file::map): Use map_no_anonymous and map_anonymous.
4210         * output.h (class Output_file): Update declarations.
4211
4212 2009-08-24  Cary Coutant  <ccoutant@google.com>
4213
4214         * options.h (Command_line::Pre_options): New class.
4215         (Command_line::pre_options): New member.
4216         * options.cc (gold::options::ready_to_register): New variable.
4217         (One_option::register_option): Do nothing if not registering options.
4218         Assert if same short option registered twice.
4219         (General_options::General_options): Turn off option registration when
4220         done constructing.
4221         (Command_line::Pre_options::Pre_options): New constructor.
4222
4223 2009-08-24  Cary Coutant  <ccoutant@google.com>
4224
4225         * options.h (General_options::no_keep_memory): Remove incorrect
4226         short option.
4227
4228 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4229
4230         * Makefile.am (am__skiplex, am__skipyacc): New.
4231         * Makefile.in: Regenerate.
4232
4233 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4234
4235         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4236         (INCLUDES): ... this.
4237         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4238         (AM_CPPFLAGS): Renamed from ...
4239         (INCLUDE): ... this.
4240         * Makefile.in, testsuite/Makefile.in: Regenerate.
4241
4242         * Makefile.in: Regenerate.
4243         * aclocal.m4: Likewise.
4244         * config.in: Likewise.
4245         * configure: Likewise.
4246         * testsuite/Makefile.in: Likewise.
4247
4248         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4249         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4250         * Makefile.in: Regenerate.
4251         * testsuite/Makefile.in: Regenerate.
4252
4253 2009-08-19  Cary Coutant  <ccoutant@google.com>
4254
4255         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4256         symbols in shared libraries overridden by hidden or internal symbols
4257         in the main program.
4258
4259 2009-08-19  Chris Demetriou  <cgd@google.com>
4260
4261         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4262         checking source file names in error messages.
4263
4264 2009-08-18  Doug Kwan  <dougkwan@google.com>
4265
4266         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4267         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4268         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4269         an elfcpp::Ehdr as parameter.
4270         * object.cc (Object::set_target): Remove the version that looks up
4271         a target and sets it.
4272         (Sized_relobj::setup): Take a Target object instead of
4273         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4274         (make_elf_sized_object): Find target and ask target to
4275         make an ELF object.
4276         * object.h: (Object::set_target): Remove the version that looks up
4277         a target and sets it.
4278         (Sized_relobj::setup): Take a Target object instead of
4279         an elfcpp:Ehdr as parameter.
4280         * target.cc: Include dynobj.h.
4281         (Target::do_make_elf_object_implementation): New.
4282         (Target::do_make_elf_object): New.
4283         * target.h (Target::make_elf_object): New template declaration.
4284         (Target::do_make_elf_object): New method declarations.
4285         (Target::do_make_elf_object_implementation): New template declaration.
4286
4287 2009-08-14  Ian Lance Taylor  <iant@google.com>
4288
4289         * gold.h (FUNCTION_NAME): Define.
4290         (gold_unreachable): Use FUNCTION_NAME.
4291
4292 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4293
4294         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4295         symbol in the --keep-unique list is not found.
4296
4297 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4298
4299         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4300         been maked as --keep-unique.
4301         (Icf::unfold_section): New function.
4302         * icf.h (Icf::unfold_section): New function.
4303         * options.h (General_options::keep_unique): New option.
4304         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4305         * testsuite/Makefile.in: Regenerate.
4306         * testsuite/icf_keep_unique_test.sh: New file.
4307         * testsuite/icf_keep_unique_test.cc: New file.
4308
4309 2009-08-12  Cary Coutant  <ccoutant@google.com>
4310
4311         PR 10471
4312         * resolve.cc (Symbol_table::resolve): Check for references from
4313         dynamic objects to hidden and internal symbols.
4314         * testsuite/Makefile.am (hidden_test.sh): New test.
4315         * testsuite/Makefile.in: Regenerate.
4316         * testsuite/hidden_test.sh: New script.
4317         * testsuite/hidden_test_1.c: New test source.
4318         * testsuite/hidden_test_main.c: New test source.
4319
4320 2009-08-11  Doug Kwan  <dougkwan@google.com>
4321
4322         * arm.cc: Update comments.
4323         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4324         segment to locate the .ARM.exidx section if present.
4325
4326 2009-08-09  Doug Kwan  <dougkwan@google.com>
4327
4328         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4329         patch.
4330
4331 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4332         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4333         compiler warnings.
4334
4335 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4336
4337         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4338         valid tls_segment only for non-debug-section relocations.
4339         * testsuite/Makefile.am: Add gc_tls_test.
4340         * testsuite/Makefile.in: Regenerate.
4341         * testsuite/gc_tls_test.cc: New file.
4342         * testsuite/gc_tls_test.sh: New file.
4343
4344 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4345
4346         * icf.cc: New file.
4347         * icf.h: New file.
4348         * Makefile.am (CCFILES): Add icf.cc.
4349         (HFILES): Add icf.h
4350         * Makefile.in: Regenerate.
4351         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4352         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4353         section, symbol and addend information for the relocs.
4354         * gold.cc (queue_middle_tasks): Call identical code folding.
4355         * gold.h: Add defines for multimap.
4356         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4357         to the call of finalize_local_symbols.
4358         * main.cc (main): Create object of class Icf.
4359         * object.cc (Sized_relobj::do_layout): Allow this function to be
4360         called twice during icf.
4361         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4362         to sections marked as identical by icf.
4363         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4364         when available.
4365         (Sized_relobj::do_section_entsize): New function.
4366         * object.h (Object::section_entsize): New function.
4367         (Object::do_section_entsize): New pure virtual function.
4368         (Relobj::finalize_local_symbols): Add new parameter.
4369         (Relobj::do_section_entsize): New function.
4370         * options.h (General_options::icf): New option.
4371         (General_options::icf_iterations): New option.
4372         (General_options::print_icf_sections): New option.
4373         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4374         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4375         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4376         icf.
4377         * symtab.cc (Symbol_table::is_section_folded): New function.
4378         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4379         to sections marked as identical by icf.
4380         * symtab.h (Symbol_table::set_icf): New function.
4381         (Symbol_table::icf): New function.
4382         (Symbol_table::is_section_folded): New function.
4383         (Symbol_table::icf_): New data member.
4384         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4385         * testsuite/Makefile.am: Add commands to build icf_test.
4386         * testsuite/Makefile.in: Regenerate.
4387         * testsuite/icf_test.sh: New file.
4388         * testsuite/icf_test.cc: New file.
4389
4390 2009-07-24  Chris Demetriou  <cgd@google.com>
4391
4392         * layout.cc (is_compressible_debug_section): Fix incorrect
4393         comment about compressed section names.
4394
4395 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4396
4397         PR 10419
4398         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4399
4400 2009-07-16  Ian Lance Taylor  <iant@google.com>
4401
4402         PR 10400
4403         * layout.h: #include <map>.
4404         (class Kept_section): Change from struct to class.  Add accessors
4405         and setters.  Add section size to Comdat_group mapping.  Change
4406         Comdat_group to std::map.  Add is_comdat_ field.  Add
4407         linkonce_size field in union.
4408         (class Layout): Update declaration of find_or_add_kept_section.
4409         Don't declare find_kept_object.
4410         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4411         parameter.  Add object, shndx, is_comdat, and is_group_name
4412         parameters.  Change all callers.  Adjust for new Kept_section.
4413         (Layout::find_kept_object): Remove.
4414         * object.cc (Sized_relobj::include_section_group): Update use of
4415         Kept_section.  Rename secnum to shndx.  Only record
4416         Kept_comdat_section if sections are the same size.
4417         (Sized_relobj::include_linkonce_section): Update use of
4418         Kept_section.  Only record Kept_comdat_section if sections are the
4419         same size.  Set size of linkonce section.
4420         (Sized_relobj::map_to_kept_section): Update call to
4421         get_kept_comdat_section.
4422         * object.h (class Sized_relobj): Rename fields in
4423         Kept_comdat_section to drop trailing underscores; change object
4424         field to Relobj*.  Change Kept_comdat_section_table to store
4425         struct rather than pointer.
4426         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4427         Add kept_object and kept_shndx parameters.  Change all callers.
4428         (Sized_relobj::get_kept_comdat_section): Change return type to
4429         bool.  Add kept_object and kept_shndx parameters.  Change all
4430         callers.
4431         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4432         Layout::find_or_add_kept_section.
4433
4434 2009-07-09  Ian Lance Taylor  <iant@google.com>
4435
4436         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4437         Reserve space in the hash table.
4438
4439 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4440
4441         * fileread.cc (File_read::get_mtime): New method.
4442         * fileread.h (Timespec): New structure.
4443         (File_read::get_mtime): New method.
4444         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4445         Renamed from timestamp_nsec.
4446         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4447         Elf_Xword.
4448         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4449         timestamp_nsec.
4450         (Incremental_inputs::report_archive): Save mtime; style fix.
4451         (Incremental_inputs::report_obejct): Save mtime; style fix.
4452         (Incremental_inputs::report_script): Save mtime; style fix.
4453         (Incremental_inputs::finalize_inputs): Style fix.
4454         (Incremental_inputs::finalize): Style fix.
4455         (Incremental_inputs::create_input_section_data): Store inputs
4456         mtime.
4457         * incremental.h (Incremental_inputs::report_script): Add mtime
4458         argument.
4459         (Incremental_inputs::Input_info::Input_info): Intialize only one
4460         union member.
4461         (Incremental_inputs::Input_info::archive): Move to nameless
4462         union.
4463         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4464         (Incremental_inputs::Input_info::script): Move to nameless union.
4465         (Incremental_inputs::mtime): New field.
4466         * script.cc (read_input_script): Pass file mtime to
4467         Incremental_input.
4468         * script.h (Script_info::inputs): Style fix.
4469
4470 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4471
4472         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4473         instead of 32.
4474
4475 2009-06-24  Ian Lance Taylor  <iant@google.com>
4476
4477         PR 10156
4478         * layout.cc (Layout::choose_output_section): If we find an
4479         existing section, update the flags.
4480         (Layout::create_notes): New function, broken out of
4481         Layout::finalize.
4482         (Layout::finalize): Don't create note sections.
4483         (Layout::create_note): Don't crash if linker script discards
4484         section.
4485         (Layout::create_gold_note): Likewise.
4486         (Layout::create_build_id): Likewise.  Don't set
4487         after_input_sections on the section.
4488         (Layout::create_executable_stack_info): Remove target parameter.
4489         Change caller.
4490         * layout.h (class Layout): Declare create_notes.  Update
4491         declaration of create_executable_stack_info.
4492         * gold.cc (queue_middle_tasks): Call create_notes.
4493         * output.cc (Output_section::update_flags_for_input_section): Move
4494         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4495         invalid.
4496         * output.h (Output_data::mark_address_invalid): New function.
4497         (class Output_section): Only declare, not define,
4498         update_flags_for_input_section.  Remove set_flags.
4499
4500 2009-06-24  Ian Lance Taylor  <iant@google.com>
4501
4502         * script-sections.cc (Output_section_definition::
4503         set_section_addresses): Rename shadowing local load_address to
4504         laddr.
4505
4506 2009-06-24  Ian Lance Taylor  <iant@google.com>
4507
4508         PR 10244
4509         * reloc.cc (relocate_sections): Skip empty relocation sections.
4510
4511 2009-06-23  Ian Lance Taylor  <iant@google.com>
4512
4513         PR 10156
4514         * layout.cc (Layout::create_note): Use choose_output_section
4515         rather than make_output_section.
4516
4517 2009-06-23  Ian Lance Taylor  <iant@google.com>
4518
4519         PR 10237
4520         * options.cc (General_options::parse_V): Set printed_version_.
4521         (General_options::General_options): Initialize printed_version_.
4522         * options.h (class General_options): Add printed_version_ field.
4523         * gold.cc (queue_initial_tasks): If there are no input files,
4524         don't give a fatal error if we printed the version information.
4525         (queue_middle_tasks): If using -r with a shared object, give a
4526         fatal error rather than an ordinary error.
4527
4528 2009-06-23  Ian Lance Taylor  <iant@google.com>
4529
4530         PR 10219
4531         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4532         (Layout::make_output_section): Set have_stabstr_section_ if we see
4533         a .stab*str section.
4534         (Layout::finalize): Call link_stabs_sections.
4535         (Layout::link_stabs_sections): New file.
4536         * layout.h (class Layout): Add have_stabstr_section_ field.
4537         Declare link_stabs_sections.
4538
4539 2009-06-23  Doug Kwan  <dougkwan@google.com>
4540
4541         * Makefile.am (libgold_a_LIBADD): New.
4542         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4543         * Makefile.in: Regenerate.
4544         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4545         * configure: Regenerate.
4546         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4547         * fileread.cc: Include sys/state.h
4548         * gold.h: Declare memmem and strndup if found missing.
4549         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4550
4551 2009-06-23  Ian Lance Taylor  <iant@google.com>
4552
4553         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4554         * configure: Rebuild.
4555
4556 2009-06-23  Ian Lance Taylor  <iant@google.com>
4557
4558         PR 10147
4559         * object.cc (Object::section_contents): Don't try to get a view if
4560         the section has length zero.
4561         (Object::handle_gnu_warning_section): If the section is empty, use
4562         the name of the section as the warning.
4563
4564 2009-06-23  Ian Lance Taylor  <iant@google.com>
4565
4566         PR 10133
4567         * stringpool.h (class Stringpool_template): Add optimize_ field.
4568         (Stringpool_template::set_optimize): New function.
4569         * stringpool.cc (Stringpool_template::Stringpool_template):
4570         Initialize optimize_ field.
4571         (Stringpool_template::set_string_offsets): Test local optimize
4572         fild rather than parameter.
4573         * layout.cc (Layout::Layout): Call set_optimize on the section
4574         name stringpool.
4575
4576 2009-06-22  Ian Lance Taylor  <iant@google.com>
4577
4578         PR 10030
4579         * yyscript.y: Parse TARGET.
4580         * script.cc (script_set_target): New function.
4581         * script-c.h (script_set_target): Declare.
4582         * options.cc (General_options::string_to_object_format): Rename
4583         from string_to_object_format in anonymous namespace.  Change
4584         callers.
4585         * options.h (class General_options): Declare
4586         string_to_object_format.
4587
4588 2009-06-22  Ian Lance Taylor  <iant@google.com>
4589
4590         * script-sections.cc (Script_sections::create_segments): Don't put
4591         program headers in a PT_LOAD segment if -n or -N.
4592
4593 2009-06-22  Ian Lance Taylor  <iant@google.com>
4594
4595         PR 10141
4596         * options.h (class General_options): Add -z lazy and -z now.  Sort
4597         -z options into alphabetical order.
4598         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4599
4600 2009-06-21  Ian Lance Taylor  <iant@google.com>
4601
4602         * layout.cc (Layout::make_output_section): Call
4603         Target::new_output_section.
4604         (Layout::attach_allocated_section_to_segment): Put large section
4605         sections in a separate load segment with the large segment flag
4606         set.
4607         (Layout::segment_precedes): Sort large data segments after other
4608         load segments.
4609         (align_file_offset): New static function.
4610         (Layout::set_segment_offsets): Use align_file_offset.
4611         * output.h (class Output_section): Add is_small_section_ and
4612         is_large_section_ fields.
4613         (Output_section::is_small_section): New function.
4614         (Output_section::set_is_small_section):  New function.
4615         (Output_section::is_large_section): New function.
4616         (Output_section::set_is_large_section): New function.
4617         (Output_section::is_large_data_section): New function.
4618         (class Output_segment): Add is_large_data_segment_ field.
4619         (Output_segment::is_large_data_segment): New function.
4620         (Output_segment::set_is_large_data_segment): New function.
4621         * output.cc (Output_section::Output_section): Initialize new
4622         fields.
4623         (Output_segment::Output_segment): Likewise.
4624         (Output_segment::add_output_section): Add assertion that large
4625         data sections always go in large data segments.  Force small data
4626         sections to the end of the list of data sections.  Force small BSS
4627         sections to the start of the list of BSS sections.  For large BSS
4628         sections to the end of the list of BSS sections.
4629         * symtab.h (class Symbol): Declare is_common_shndx.
4630         (Symbol::is_defined): Check Symbol::is_common_shndx.
4631         (Symbol::is_common): Likewise.
4632         (class Symbol_table): Define enum Commons_section_type.  Update
4633         declarations.  Add small_commons_ and large_commons_ fields.
4634         * symtab.cc (Symbol::is_common_shndx): New function.
4635         (Symbol_table::Symbol_table): Initialize new fields.
4636         (Symbol_table::add_from_object): Put small and large common
4637         symbols in the right list.
4638         (Symbol_table::sized_finalized_symbol): Check
4639         Symbol::is_common_shndx.
4640         (Symbol_table::sized_write_globals): Likewise.
4641         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4642         common symbol lists.  Don't call do_allocate_commons_list if the
4643         list is empty.
4644         (Symbol_table::do_allocate_commons_list): Remove is_tls
4645         parameter.  Add comons_section_type parameter.  Change all
4646         callers.  Handle small and large common symbols.
4647         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4648         Symbol::is_common_shndx.
4649         * resolve.cc (symbol_to_bits): Likewise.
4650         * target.h (Target::small_common_shndx): New function.
4651         (Target::small_common_section_flags): New function.
4652         (Target::large_common_shndx): New function.
4653         (Target::large_common_section_flags): New function.
4654         (Target::new_output_section): New function.
4655         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4656         small_common_section_flags, and large_common_section_flags
4657         fields.
4658         (Target::do_new_output_section): New virtual function.
4659         * arm.cc (Target_arm::arm_info): Initialize new fields.
4660         * i386.cc (Target_i386::i386_info): Likewise.
4661         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4662         Likewise.
4663         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4664         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4665         (Target_x86_64::do_new_output_section): New function.
4666         * configure.ac: Define conditional MCMODEL_MEDIUM.
4667         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4668         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4669         (large_LDFLAGS): Define.
4670         * testsuite/large.c: New file.
4671         * testsuite/testfile.cc (Target_test::test_target_info):
4672         Initialize new fields.
4673         * configure, testsuite/Makefile.in: Rebuild.
4674
4675 2009-06-05  Doug Kwan  <dougkwan@google.com>
4676
4677         * Makefile.am (CCFILES): Add target.cc.
4678         * Makefile.in: Regenerate.
4679         * i386.cc (class Target_i386): Define new virtual method to
4680         override do_is_local_label_name in parent.
4681         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4682         local symbols if --discard-locals or -X is given.
4683         * options.h (class General_options): Declare new options
4684         '--discard-locals' and '-X' for discarding locals.
4685         * target.h (class Target): Define new methods is_local_label_name.
4686         Declare new virtual method do_is_local_label_name.
4687         * target.cc: New file.
4688         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4689         (check_SCRIPTS): Add discard_locals_test.sh.
4690         (check_DATA): Add discard_local_tests.syms.
4691         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4692         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4693         * testsuite/Makefile.in: Regenerate.
4694         * testsuite/discard_locals_test.c: New file.
4695         * testsuite/discard_locals_test.sh: Same.
4696
4697 2009-06-05  Doug Kwan  <dougkwan@google.com>
4698
4699         * object.cc (Sized_relobj::Sized_relobj): Initialize
4700         discarded_eh_frame_shndx_ to -1U.
4701         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4702         section.
4703         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4704         a discarded .eh_frame section.
4705         (Sized_relobj::do_finalize_local_symbols): Ditto.
4706         * object.h (class Sized_relobj): Declare new member
4707         discarded_eh_frame_shndx_.
4708         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4709         (local_labels_test.o, local_labels_test): New rules.
4710         * testsuite/Makefile.in: Regenerate.
4711
4712 2009-06-04  Doug Kwan  <dougkwan@google.com>
4713
4714         * layout.cc (Layout::section_name_mapping): Add mapping for
4715         special ARM sections.
4716
4717 2009-06-03  Doug Kwan  <dougkwan@google.com>
4718
4719         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4720         (utils::has_overflow): Same.
4721
4722 2009-06-03  Ian Lance Taylor  <iant@google.com>
4723
4724         * layout.cc (Layout::section_name_mapping): New array, replacing
4725         Layout::linkonce_mapping.
4726         (Layout::section_name_mapping_count): New variable, replacing
4727         Layout::linkonce_mapping_count.
4728         (Layout::linkonce_output_name): Remove.
4729         (Layout::output_section_name): Rewrite.
4730         * layout.h (class Layout): Rename Linkonce_mapping to
4731         Section_name_mapping, linkonce_mapping to section_name_mapping,
4732         linkonce_mapping_count to section_name_mapping_count.  Don't
4733         declare linkonce_output_name.
4734
4735 2009-06-03  Doug Kwan  <dougkwan@google.com>
4736
4737         * gold/arm.cc (namespace utils): New.
4738         (Target_arm::reloc_is_non_pic): Define new method.
4739         (class Arm_relocate_functions): New.
4740         (Target_arm::Relocate::relocate): Handle relocation types used by
4741         Android.
4742
4743 2009-06-03  Ian Lance Taylor  <iant@google.com>
4744
4745         * arm.cc (Target_arm::scan::global): Use || instead of |.
4746
4747 2009-06-02  Doug Kwan  <dougkwan@google.com>
4748
4749         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4750         issued_non_pic_error_.
4751         (class Target_arm::Scan): Declare new method check_non_pic.
4752         Define new method symbol_needs_plt_entry.
4753         Declare new data member issued_non_pic_error_.
4754         (class Target_arm::Relocate): Declare new method
4755         should_apply_static_reloc.
4756         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4757         (Target_arm::Scan::check_non_pic): Define new method.
4758         (Target_arm::Scan::local): Handle a small subset of reloc types used
4759         by Android.
4760         (Target_arm::Scan::local): Same.
4761         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4762
4763 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4764
4765         * incremental.cc (Incremental_inputs::report_command_line): Filter
4766         out --incremental-* options.
4767
4768 2009-05-29  Doug Kwan  <dougkwan@google.com>
4769
4770         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4771         template class.
4772         (class Target_arm): Update comment.
4773         (Target_arm::Target_arm): Initialize new data members GOT_,
4774         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4775         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4776         and Target_arm::rel_dyn_section.
4777         Declare new_enum Target_arm::Got_type.
4778         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4779         and DYNBSS_.
4780         Update commments for member do_dynsym_value.
4781         (Target_arm::got_size, Target_arm::plt_section,
4782         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4783         new methods inside class defintion.
4784         (Target_arm::got_section): Define new method.
4785         (Target_arm::rel_dyn_section): Same.
4786         (Output_data_plt_arm): New template class.
4787         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4788         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4789         (Output_data_plt_arm::add_entry): Same.
4790         (Output_data_plt_arm::first_plt_entry): Define new
4791         static data member for PLT instruction template.
4792         (Output_data_plt_arm::plt_entry): Same.
4793         (Output_data_plt_arm::do_write): Define new method.
4794         (Target_arm::make_plt_entry): Same.
4795         (Target_arm::do_finalize_sections): Same.
4796         (Target_arm::do_dynsym_value): Same.
4797
4798 2009-05-28  Doug Kwan  <dougkwan@google.com>
4799
4800         * Makefile.am (TARGETSOURCES): Add arm.cc.
4801         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4802         * Makefile.in: Regenerate.
4803         * arm.cc: New file.
4804         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4805
4806 2009-05-26  Doug Kwan  <dougkwan@google.com>
4807
4808         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4809         (General_options::check_excluded_libs): Strip off directories in
4810         archive name before matching like GNU ld does.
4811         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4812         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4813         (exclude_libs_test_LDFLAGS): Add linker option
4814         -Wl,--exclude-libs,libexclude_libs_test_3
4815         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4816         an explicit archive without using -l.
4817         (alt/libexclude_libs_test_3.a): New make rule.
4818         * testsuite/Makefile.in: Regenerate.
4819         * testsuite/exclude_libs_test.c : Declare lib3_default().
4820         (main): Call it.
4821         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4822         * exclude_libs_test_3.c: New file.
4823
4824 2009-05-26  Nick Clifton  <nickc@redhat.com>
4825
4826         * po/id.po: New Indonesian translation.
4827         * po/gold.pot: Updated template file.
4828
4829 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4830
4831         * testsuite/Makefile.am: Add -ffunction-sections to compile
4832         gc_comdat_test files.  Add -Wl,--gc-sections to build
4833         gc_comdat_test.
4834         * testsuite/Makefile.in: Regenerate.
4835         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4836
4837 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4838
4839         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4840         kept comdat section was garbage collected.
4841         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4842         * testsuite/Makefile.in: Regenerate.
4843         * testsuite/gc_comdat_test.sh: New file.
4844         * testsuite/gc_comdat_test_1.cc: New file.
4845         * testsuite/gc_comdat_test_2.cc: New file.
4846
4847 2009-05-19  Doug Kwan  <dougkwan@google.com>
4848
4849         * archive.cc (Archive::Archive): Move constructor from archive.h
4850         to here.  Initialize no_export_.
4851         (Archive::get_elf_object_for_member): Set no_export flag of object.
4852         * archive.h (Archive::Archive): Move constructor body to
4853         archive.cc.
4854         (Archive::no_export): New method.
4855         (Archive::no_export_): New field.
4856         * object.h (Object::Object): Initialize no_export_ to false.
4857         (Object::no_export, Object::set_no_export): New methods.
4858         (Object::no_export_): New field.
4859         * options.cc (General_options::parse_exclude_libs): New method.
4860         (General_options::check_excluded_libs) Same.
4861         * options.h (exclude_libs): New option.
4862         (General_options::check_excluded_libs): New method declaration.
4863         (General_options::excluded_libs_): New field.
4864         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4865         default or protected visibility if an object has no-export flag set.
4866         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4867         (check_SCRIPTS): Add exclude_libs_test.sh.
4868         (check_DATA): Add exclude_libs_test.syms.
4869         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4870         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4871         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4872         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4873         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4874         libexclude_libs_test_2.a): New rules.
4875         * testsuite/Makefile.in: Regenerate.
4876         * testsuite/exclude_libs_test.c: New file.
4877         * testsuite/exclude_libs_test.sh: Ditto.
4878         * testsuite/exclude_libs_test_1.c: Ditto.
4879         * testsuite/exclude_libs_test_2.c: Ditto.
4880
4881 2009-05-15  Ian Lance Taylor  <iant@google.com>
4882
4883         * configure.ac: Check for declarations for cases where libiberty.h
4884         checks HAVE_DECL_xxx.
4885         * configure, config.in: Rebuild.
4886
4887 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4888
4889         * gold.h (Incremental_argument_list): Remove (invalid) forward
4890         declaration.
4891         * incremental.cc (Incremental_inputs::report_achive): New method.
4892         (Incremental_inputs::report_object): New method.
4893         (Incremental_inputs::report_script): New method.
4894         (Incremental_inputs::finalize_inputs): New method.
4895         (Incremental_inputs::finalize): Call finalize_inputs().
4896         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4897         Create inputs entries.
4898         * incremental.h (Incremental_input_type): New enum.
4899         (Incremental_inputs::Incremental_input): Initialize new fields.
4900         (Incremental_inputs::report_inputs): New method.
4901         (Incremental_inputs::report_achive): New method.
4902         (Incremental_inputs::report_object): New method.
4903         (Incremental_inputs::report_script): New method.
4904         (Incremental_inputs::finalize_inputs): New method.
4905         (Incremental_inputs::Input_info): New struct.
4906         (Incremental_inputs::Input_info_map): New typedef.
4907         (Incremental_inputs::lock_): New field.
4908         (Incremental_inputs::Inputs_): New field.
4909         (Incremental_inputs::Inputs_map): New field.
4910         * main.cc (main): Call Incremental_input::report_inputs.
4911         * options.h (Input_argument_list): Typedef moved from
4912         Input_arguments.
4913         (Input_file_group::Files): Remove, use ::Input_argument_list.
4914         (Input_file_group::Input_argument_list): Remove, use
4915         ::Input_argument_list.
4916         * plugin.cc (Plugin_manager::add_input_file): Add error in
4917         incremental build.
4918         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4919         functions.
4920         * script.cc (read_input_script): Call
4921         Incremental_input::report_script.
4922         * script.h (Script_info): New class.
4923
4924 2009-04-27  Ian Lance Taylor  <iant@google.com>
4925
4926         * x86_64.cc (do_adjust_output_section): Set entsize to
4927         plt_entry_size.
4928
4929 2009-04-23  Elliott Hughes  <enh@google.com>
4930
4931         * output.cc (Output_file::close): After short writes, continue
4932         writing from the correct offset in the buffer being written.
4933
4934 2009-04-23  Chris Demetriou  <cgd@google.com>
4935
4936         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4937         * configure: Regenerate.
4938         * config.in: Regenerate.
4939         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4940         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4941
4942 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4943
4944         * incremental.cc (Incremental_inputs_header_data): Renamed from
4945         Incremental_input_header_data.
4946         (Incremental_inputs_header_data::data_size): New field.
4947         (Incremental_inputs_header_data::put_input_file_count): Renamed
4948         from input_file_count.
4949         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4950         from command_line_offset.
4951         (Incremental_inputs_header_data::put_reserved): Renamed from
4952         put_reserved.
4953         (Incremental_inputs_entry_data): Renamed from
4954         Incremental_input_entry_data.
4955         (Incremental_inputs_entry_data::data_size): New field.
4956         (Incremental_inputs::report_command_line): New method.
4957         (Incremental_inputs::finalize): New method.
4958         (Incremental_inputs::create_incremental_inputs_data): New method.
4959         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4960         * incremental.h: New file.
4961         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4962        (Layout::finalize): Create incremental inputs section in
4963         incremental builds.
4964        (Layout::create_incremental_info_sections): New method.
4965         * layout.h (Layout::incremental_inputs): New method.
4966        (Layout::create_incremental_info_sections): New method.
4967        (Layout::incremental_inputs_): New field.
4968         * main.cc (main): Notify Incremental_input of the command line.
4969
4970 2009-04-01  Ian Lance Taylor  <iant@google.com>
4971             Mikolaj Zalewski  <mikolajz@google.com>
4972
4973         * gold.h (reserve_unordered_map): Define, three versions, one for
4974         each version of Unordered_map.
4975         * layout.cc (Layout::Layout): Remove options parameter.  Add
4976         number_of_input_files parameter.  Don't initialize options_.
4977         Initialize number_of_input_files_ and resized_signatures_.  Move
4978         sections_are_attached_.
4979         (Layout::layout_group): Reserve space for group_signatures_.
4980         (Layout::find_or_add_kept_section): Change name parameter to be a
4981         reference.  Resize signatures_ map when it gets large enough.
4982         (Layout::layout_eh_frame): Use parameters->options() instead of
4983         this->options_.
4984         (Layout::make_output_section): Likewise.
4985         (Layout::attach_allocated_section_to_segment): Likewise.
4986         (Layout::finalize, Layout::create_executable_stack): Likewise.
4987         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4988         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4989         * layout.h (class Layout): Update declarations.  Remove options_
4990         field.  Add number_of_input_files_ and resized_signatures_
4991         fields.  Move sections_are_attached_ field.
4992         * main.cc (main): Pass number of input files to Layout
4993         constructor.  Don't pass options.
4994
4995 2009-03-30  Ian Lance Taylor  <iant@google.com>
4996
4997         * ffsll.c (ffsll): Correct implementation.
4998
4999 2009-03-27  Ian Lance Taylor  <iant@google.com>
5000
5001         * ffsll.c: New file.
5002         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5003         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5004         * ftruncate.c (ftruncate): Declare before definition.
5005         * mremap.c (mremap): Likewise.
5006         * pread.c (pread): Likewise.
5007         * configure, Makefile.in, config.in: Rebuild.
5008
5009         * mremap.c: New file.
5010         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5011         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5012         (mremap): Declare if HAVE_MREMAP is not defined.
5013         * configure, Makefile.in, config.in: Rebuild.
5014
5015 2009-03-27  Cary Coutant  <ccoutant@google.com>
5016
5017         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5018         position independent.
5019         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5020         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5021
5022 2009-03-24  Cary Coutant  <ccoutant@google.com>
5023
5024         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5025         an executable.
5026         (needs_dynamic_reloc): Likewise.
5027
5028 2009-03-24  Ian Lance Taylor  <iant@google.com>
5029
5030         * yyscript.y (file_cmd): Recognize EXTERN.
5031         (extern_name_list, extern_name_list_body): New nonterminals.
5032         * script.cc (script_add_extern): Define.
5033         * script-c.h (script_add_extern): Declare.
5034
5035 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5036
5037         * object.cc (is_elf_object): Define.
5038         * object.h (is_elf_object): Declare.
5039         * archive.cc (Archive::get_elf_object_for_member): Call
5040         is_elf_object.
5041         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5042
5043 2009-03-24  Elliott Hughes  <enh@google.com>
5044
5045         * output.cc (Output_file::map_anonymous): Define.
5046         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5047         try an anonymous one.  Report the size if the mmap fails.
5048         * output.h (class Output_file): Declare map_anonymous.
5049
5050 2009-03-24  Ian Lance Taylor  <iant@google.com>
5051
5052         * target-select.cc (instantiate_target): Don't acquire the lock if
5053         the instantiated_target_ field has already been set.
5054
5055 2009-03-23  Ian Lance Taylor  <iant@google.com>
5056
5057         * gold-threads.h (class Initialize_lock): Define.
5058         * gold-threads.cc (class Initialize_lock_once): Define.
5059         (initialize_lock_control): New static variable.
5060         (initialize_lock_pointer): New static variable.
5061         (initialize_lock_once): New static function.
5062         (Initialize_lock::Initialize_lock): Define.
5063         (Initialize_lock::initialize): Define.
5064         * target-select.h: Include "gold-threads.h".
5065         (class Target_selector): Add lock_ and initialize_lock_ fields.
5066         Don't define instantiate_target, just declare it.
5067         * target-select.cc (Target_selector::Target_selector): Initialize
5068         new fields.
5069         (Target_selector::instantiate_target): Define.
5070         * descriptors.h: Include "gold-threads.h".
5071         (class Descriptors): Add initialize_lock_ field.
5072         * descriptors.cc (Descriptors::Descriptors): Initialize new
5073         field.
5074         (Descriptors::open): Use initialize_lock_ field
5075         * errors.h (class Errors): Add initialize_lock_ field.
5076         * errors.cc (Errors::Errors): Initialize new field.
5077         (Errors::initialize_lock): Use initialize_lock_ field.
5078         * powerpc.cc (class Target_selector_powerpc): Remove
5079         instantiated_target_ field.  In do_recognize call
5080         instantiate_target rather than do_instantiate_target.  In
5081         do_instantiate_target just allocate a new target.
5082         * sparc.cc (class Target_selector_sparc): Likewise.
5083
5084         * freebsd.h: New file.
5085         * i386.cc: Include "freebsd.h".
5086         (Target_i386): Derive from Target_freebsd rather than
5087         Sized_target.
5088         (Target_selector_i386): Derive from Target_selector_freebsd rather
5089         than Target_selector.
5090         * x86_64.cc: Include "freebsd.h".
5091         (Target_x86_64): Derive from Target_freebsd rather than
5092         Sized_target.
5093         (Target_selector_x86_64): Derive from Target_selector_freebsd
5094         rather than Target_selector.
5095         * target.h (class Target): Add adjust_elf_header and
5096         do_adjust_elf_header.
5097         * output.cc (Output_file_header:: do_sized_write): Call target
5098         adjust_elf_header routine.
5099         * configure.tgt: Set targ_osabi.
5100         * configure.ac: Define GOLD_DEFAULT_OSABI.
5101         * parameters.cc (Parameters::default_target): Pass
5102         GOLD_DEFAULT_OSABI to select_target.
5103         * target-select.h (class Target_selector): Make instantiate_target
5104         protected rather than private.
5105         * Makefile.am (HFILES): Add freebsd.h.
5106         * configure, Makefile.in, config.in: Rebuild.
5107
5108         * merge.cc (do_add_input_section): Correct pend value.  Change
5109         message about last entry not being null terminated from error to
5110         warning.
5111
5112 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5113
5114         * incremental.cc: New file.
5115         * Makefile.am (CCFILES): Add incremental.cc.
5116         * Makefile.in: Rebuild.
5117
5118 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5119
5120         * layout.cc (Layout::output_section_name): Preserve names
5121         of '.note.' sections.
5122
5123 2009-03-19  Ian Lance Taylor  <iant@google.com>
5124
5125         * descriptors.cc (Descriptors::open): Check that the options are
5126         valid before using them.
5127
5128 2009-03-18  Ian Lance Taylor  <iant@google.com>
5129
5130         * script-sections.h: Include <list>.
5131         (class Script_sections): Change Sections_elements from std::vector
5132         to std::list.  Typedef public Elements_iterator.  Add
5133         orphan_section_placement_, data_segment_align_start_, and
5134         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5135         field.
5136         * script-sections.cc (class Orphan_section_placement): New class.
5137         (class Sections_element): Add virtual functions is_relro and
5138         orphan_section_init.  Remove virtual function place_orphan_here.
5139         (class Output_section_definition): Add is_relro and
5140         orphan_section_init.  Remove place_orphan_here.
5141         (class Orphan_output_section): Likewise.
5142         (Script_sections::Script_sections): Update for field changes.
5143         (Script_sections::data_segment_align): Set saw_data_segment_align_
5144         and data_segment_align_start_, not data_segment_align_index.
5145         (Script_sections::data_segment_relro_end): Check
5146         saw_data_segment_align_.  Use data_segment_align_start_ rather
5147         than data_segment_align_index_.
5148         (Script_sections::place_orphan): Rewrite to use
5149         Orphan_section_placement.
5150
5151 2009-03-17  Ian Lance Taylor  <iant@google.com>
5152
5153         * archive.cc (Archive::add_symbols): Check for a version attached
5154         to the symbol name in the archive map.
5155         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5156         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5157         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5158         (ver_test_11.a): New target.
5159         * testsuite/Makefile.in: Rebuild.
5160
5161         * configure.ac: Check for chsize and posix_fallocate.  Replace
5162         ftruncate.
5163         * ftruncate.c: New file, from gnulib.
5164         * output.cc (posix_fallocate): Define dummy version if not
5165         HAVE_POSIX_FALLOCATE.
5166         (Output_file::map): Call posix_fallocate rather than lseek and
5167         write.
5168         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5169         * configure, Makefile.in, config.in: Rebuild.
5170
5171 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5172
5173         * layout.h (Layout::create_note): Add section_name parameter.
5174         * layout.cc (Layout::create_note): Likewise.
5175         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5176
5177 2009-03-17  Ian Lance Taylor  <iant@google.com>
5178
5179         * descriptors.cc: Include "options.h".
5180         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5181         (Descriptors::open): Always use O_CLOEXEC when opening a new
5182         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5183         then set FD_CLOEXEC.
5184
5185         * sparc.cc (class Target_sparc): Add has_got_section.
5186         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5187         make sure we have a GOT section.
5188
5189         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5190         (Target_sparc::Scan::local): Likewise.
5191         (Target_sparc::Scan::global): Likewise.
5192         (Target_sparc::Relocate::relocate): Likewise.
5193         (Target_sparc::Relocate::relocate_tls): Likewise.
5194
5195         * symtab.cc (Symbol_table::define_default_version): New function,
5196         broken out of add_from_object.
5197         (Symbol_table::add_from_object): Call define_default_version.
5198         (Symbol_table::define_special_symbol): Add resolve_oldsym
5199         parameter.  Change all callers.  If the version for a symbol comes
5200         from a version script, resolve it with the symbol with the same
5201         name with no version.  Also add the symbol without a version if
5202         appropriate.
5203         (do_define_in_output_data): If resolving with oldsym, don't delete
5204         sym.
5205         (do_define_in_output_segment): Likewise.
5206         (do_define_as_constant): Likewise.
5207         * symtab.h (class Symbol_table): Update declarations.
5208
5209 2009-03-13  Ian Lance Taylor  <iant@google.com>
5210
5211         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5212         (Read_symbols::requeue): New function.
5213         (Read_symbols::do_read_symbols): If make_elf_object fails because
5214         the target type is not configured, and the file was searched for,
5215         issue a warning and retry with the next directory.
5216         (Add_symbols::run): If the file has an incompatible format, and
5217         it was searched for, requeue the Read_symbols task.  On error,
5218         release the object.
5219         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5220         dirindex parameter to constructor.  Change all callers.  Declare
5221         incompatible_warning and requeue.
5222         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5223         input_argument_ and input_group_ fields.  Add them to
5224         constructor.  Change all callers.
5225         (class Read_script): Add dirindex_ field.  Add it to constructor.
5226         Change all callers.
5227         * archive.cc (Archive::setup): Remove input_objects parameter.
5228         Change all callers.
5229         (Archive::get_file_and_offset): Likewise.
5230         (Archive::read_all_symbols): Likewise.
5231         (Archive::read_symbols): Likewise.
5232         (Archive::get_elf_object_for_member): Remove input_objects
5233         parameter.  Add punconfigured parameter.  Change all callers.
5234         (Archive::add_symbols): Change return type to bool.  Check return
5235         value of include_member.
5236         (Archive::include_all_members): Likewise.
5237         (Archive::include_member): Change return type to bool.  Return
5238         false if first included object has incompatible target.  Set
5239         included_member_ field.
5240         (Add_archive_symbols::run): If add_symbols returns false, requeue
5241         Read_symbols task.
5242         * archive.h (class Archive): Add included_member_ field.
5243         Initialize it in constructor.  Add input_file and searched_for
5244         methods.  Update declarations.
5245         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5246         input_argument_ fields.  Add them to constructor.  Change all
5247         callers.
5248         * script.cc: Include "target-select.h".
5249         (class Parser_closure): Add skip_on_incompatible_target_ and
5250         found_incompatible_target_ fields.  Add
5251         skip_on_incompatible_target parameter to constructor.  Change all
5252         callers.  Add methods skip_on_incompatible_target,
5253         clear_skip_on_incompatible_target, found_incompatible_target, and
5254         set_found_incompatible_target.
5255         (read_input_script): Add dirindex parameter.  Change all callers.
5256         If parser finds an incompatible target, requeue Read_symbols
5257         task.
5258         (script_set_symbol): Clear skip_on_incompatible_target in
5259         closure.
5260         (script_add_assertion, script_parse_option): Likewise.
5261         (script_start_sections, script_add_phdr): Likewise.
5262         (script_check_output_format): New function.
5263         * script.h (read_input_script): Update declaration.
5264         * script-c.h (script_check_output_format): Declare.
5265         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5266         (ignore_cmd): Remove OUTPUT_FORMAT.
5267         * fileread.cc (Input_file::Input_file): Add explicit this.
5268         (Input_file::will_search_for): New function.
5269         (Input_file::open): Add pindex parameter.  Change all callers.
5270         * fileread.h (class Input_file): Add input_file_argument method.
5271         Declare will_search_for.  Update declarations.
5272         * object.cc (make_elf_object): Add punconfigured parameter.
5273         Change all callers.
5274         * object.h (class Object): Make input_file public.  Add
5275         searched_for method.
5276         (make_elf_object): Update declaration.
5277         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5278         restart search.
5279         * dirsearch.h (class Dirsearch): Update declaration.
5280         * options.h (class General_options): Add --warn-search-mismatch.
5281         * parameters.cc (Parameters::is_compatible_target): New function.
5282         * parameters.h (class Parameters): Declare is_compatible_target.
5283         * workqueue.cc (Workqueue::add_blocker): New function.
5284         * workqueue.h (class Workqueue): Declare add_blocker.
5285
5286         * fileread.cc (Input_file::open): Remove options parameter.
5287         Change all callers.
5288         (Input_file::open_binary): Likewise.
5289         * script.cc (read_input_script): Likewise.
5290         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5291         options parameter from constructor.  Change all callers.
5292         (class Read_script): Likewise.
5293         * fileread.h (class Input_file): Update declarations.
5294         * script.h (read_input_script): Update declaration.
5295
5296 2009-03-10  Nick Clifton  <nickc@redhat.com>
5297
5298         * po/es.po: New Spanish translation.
5299
5300 2009-03-06  Cary Coutant  <ccoutant@google.com>
5301
5302         * options.cc (parse_short_option): Keep dash_z from registering itself.
5303
5304 2009-03-03  Ian Lance Taylor  <iant@google.com>
5305
5306         PR 9918
5307         * target-reloc.h (relocate_section): Pass output_section to
5308         relocate.
5309         * i386.cc (Target_i386::should_apply_static_reloc): Add
5310         output_section parameter.  Change all callers.
5311         (Target_i386::Relocate::relocate): Add output_section parameter.
5312         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5313         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5314         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5315         * testsuite/two_file_shared.sh: New script.
5316         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5317         (check_DATA): Add two_file_shared.dbg.
5318         (two_file_shared.dbg): New target.
5319         * testsuite/Makefile.in: Rebuild.
5320
5321 2009-03-01  Ian Lance Taylor  <iant@google.com>
5322
5323         * configure.ac: Check for byteswap.h.
5324         * configure: Rebuild.
5325         * config.in: Rebuild.
5326
5327 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5328
5329         * layout.cc (Layout::find_or_add_kept_section): New function.
5330         (Layout::add_comdat): Removed.
5331         * layout.h (struct Kept_section): Move out of class Layout.
5332         Remove trailing underscores from field names.  Add group_sections
5333         field.  Rename group_ field to is_group.  Change all uses.
5334         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5335         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5336         comdat_groups_ field.
5337         (Sized_relobj::include_section_group): Use
5338         find_or_add_kept_section and Kept_section::group_sections.
5339         (Sized_relobj::include_linkonce_section): Likewise.
5340         * object.cc (class Sized_relobj): Don't define Comdat_group or
5341         Comdat_group_table.  Remove find_comdat_group and
5342         add_comdat_group.  Remove comdat_groups_ field.
5343         * plugin.cc (include_comdat_group): Use
5344         Layout::find_or_add_kept_section.
5345
5346 2009-02-28  Ian Lance Taylor  <iant@google.com>
5347
5348         * README: --gc-sections and map files are now supported.  Document
5349         some build requirements.
5350
5351         PR 6992
5352         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5353         relocatable link set the value of the section symbol to zero.
5354         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5355         relocatable link don't include the section address in the local
5356         symbol value.
5357
5358 2009-02-27  Ian Lance Taylor  <iant@google.com>
5359
5360         PR 6811
5361         * options.h (class Search_directory): Add is_system_directory.
5362         (class General_options): Declare is_in_system_directory.
5363         * options.cc (get_relative_sysroot): Make static.
5364         (get_default_sysroot): Make static.
5365         (General_optoins::is_in_system_directory): New function.
5366         * fileread.cc (Input_file::is_in_system_directory): New function.
5367         * fileread.h (class Input_file): Declare is_in_system_directory.
5368         * object.h (class Object): Add is_in_system_directory.
5369         (class Input_objects): Remove system_library_directory_ field.
5370         * object.cc (Input_objects::add_object): Don't set
5371         system_library_directory_.
5372         (input_objects::found_in_system_library_directory): Remove.
5373         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5374         parameter.  Change all callers.
5375         (Symbol_table::sized_write_globals): Likewise.
5376         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5377         Call Object::is_in_system_directory.
5378         * symtab.h (class Symbol_table): Update declarations.
5379
5380         PR 5990
5381         * descriptors.h (Open_descriptor): Add is_on_stack field.
5382         * descriptors.cc (Descriptors::open): If the descriptor is on the
5383         top of the stack, remove it.  Initialize is_on_stack field.
5384         (Descriptors::release): Only add pod to stack if it is not on the
5385         stack already.
5386         (Descriptors::close_some_descriptor): Clear stack_next and
5387         is_on_stack fields.
5388
5389         PR 7091
5390         * output.cc (Output_section::find_starting_output_address): Rename
5391         from starting_output_address; add PADDR parameter; change return
5392         type.
5393         * output.h (class Output_section): Declare
5394         find_starting_output_address instead of starting_output_address.
5395         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5396         section symbol for which we can't find a merge section.
5397
5398         PR 9836
5399         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5400         hidden or internal, force the symbol to be local.
5401         * resolve.cc (Symbol::override_visibility): Define.
5402         (Symbol::override_base): Use override_visibility.
5403         (Symbol_table::resolve): Likewise.
5404         (Symbol::override_base_with_special): Likewise.
5405         (Symbol_table::override_with_special): If the visibility is hidden
5406         or internal, force the symbol to be local.
5407         * symtab.h (class Symbol): Add set_visibility and
5408         override_visibility.
5409         * testsuite/ver_test_1.sh: New file.
5410         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5411         (check_DATA): Add ver_test_1.syms.
5412         (ver_test_1.syms): New target.
5413         * testsuite/Makefile.in: Rebuild.
5414
5415 2009-02-25  Cary Coutant  <ccoutant@google.com>
5416
5417         * layout.cc (Layout::choose_output_section): Don't rename sections
5418         when using a linker script that has a SECTIONS clause.
5419         * Makefile.in: Regenerate.
5420
5421         * testsuite/Makefile.am (script_test_5.sh): New test case.
5422         * testsuite/Makefile.in: Regenerate.
5423         * testsuite/script_test_5.cc: New file.
5424         * testsuite/script_test_5.sh: New file.
5425         * testsuite/script_test_5.t: New file.
5426
5427 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5428
5429         * archive.cc (Archive::include_member): Update calls to add_symbols.
5430         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5431         the Layout argument.
5432         * dynobj.h (do_add_symbols): Add the Layout argument.
5433         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5434         Layout argument.
5435         * object.h (Object::add_symbols): Add the Layout argument.
5436         (Object::do_add_symbols): Add the Layout argument.
5437         (Sized_relobj::do_add_symbols): Add the Layout argument.
5438         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5439         Unify the two versions.
5440         (Add_plugin_symbols): Remove.
5441         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5442         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5443         (Add_plugin_symbols): Remove.
5444         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5445         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5446         (Add_symbols::run): Make it work with Pulginobj.
5447
5448 2009-02-06  Ian Lance Taylor  <iant@google.com>
5449
5450         * object.cc (Sized_relobj::do_layout): Make info message start
5451         with lower case letter.
5452
5453 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5454
5455         * binary.cc: Fix file comment.
5456
5457         * options.h (enum Incremental_disposition): Define.
5458         (class General_options): Add new options: --incremental,
5459         --incremental_changed, --incremental_unchanged,
5460         --incremental_unknown.  Add incremental_disposition_ and
5461         implicit_incremental_ fields.
5462         (General_options::incremental_disposition): New function.
5463         (class Position_dependent_options): Add incremental_disposition
5464         option.
5465         (Position_dependent_options::copy_from_options): Set incremental
5466         dispositions.
5467         * options.cc (General_options::parse_incremental_changed): New
5468         function.
5469         (General_options::parse_incremental_unchanged): New function.
5470         (General_options::parse_incremental_unknown): New function.
5471         (General_options::General_options): Initialize new fields
5472         incremental_disposition_ and implicit_incremental_.
5473         (General_options::finalize): Check for uasge of --incremental-*
5474         without --incremental.
5475
5476 2009-02-06  Chris Demetriou  <cgd@google.com>
5477
5478         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5479         pointer and to report location as the file name associated with
5480         the symbol.
5481         (gold_undefined_symbol_at_location): New function to replace the
5482         old gold_undefined_symbol functionality.
5483         * target-reloc.h (relocate_section): Update to use
5484         gold_undefined_symbol_at_location.
5485         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5486         Call gold_undefined_symbol function rather than gold_error.
5487         * errors.h (Errors::undefined_symbol): Take location as a
5488         string, rather than calculating it from a relocation.
5489         * errors.cc (Errors::fatal): Print "fatal error:" before the
5490         formatted message.
5491         (Errors::error, Errors::error_at_location): Print "error: "
5492         before the formatted message.
5493         (Errors::undefined_symbol): Take location as a string, rather
5494         than calculating it from a relocation.
5495         (gold_undefined_symbol_at_location): New function akin to
5496         old gold_undefined_symbol, calculates location from relocation.
5497         (gold_undefined_symbol): Change to take only a Symbol pointer
5498         and to report location as the file name associated with the symbol.
5499         * testsuite/debug_msg.sh: Update for changed error messages.
5500         * testsuite/undef_symbol.sh: Likewise.
5501
5502 2009-02-04  Duncan Sands  <baldrick@free.fr>
5503
5504         PR 9812
5505         * reduced_debug_output.h
5506         (Output_reduced_debug_abbrev_section::failed): Use format for
5507         gold_warning.
5508         (Output_reduced_debug_info_section::faild): Likewise.
5509
5510 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5511
5512         * script.cc (Lazy_demangler): New class.
5513         (Version_script_info::get_symbol_version_helper): Demangle a
5514         symbol only once.
5515
5516 2009-01-29  Cary Coutant  <ccoutant@google.com>
5517
5518         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5519         to __tls_get_addr.
5520         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5521
5522 2009-01-28  Ian Lance Taylor  <iant@google.com>
5523
5524         * version.cc (version_string): Bump to 1.9.
5525
5526         * gold.h: Include <cstring> and <stdint.h>.
5527         * version.cc: Include <cstdio>.
5528         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5529         warning.
5530         * reduced_debug_output.cc (insert_into_vector): Rename from
5531         Insert_into_vector; change all callers.  Use Swap_unaligned to
5532         avoid aliasing issue; remove union since it is unnecessary.
5533
5534 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5535
5536         * Makefile.am (CCFILES): Add gc.cc.
5537         (HFILES): Add gc.h.
5538         * Makefile.in: Regenerate.
5539         * gold.cc (Gc_runner): New class.
5540         (queue_initial_tasks): Call garbage collection related tasks
5541         when corresponding options are invoked.
5542         (queue_middle_gc_tasks): New function.
5543         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5544         processed early before laying out sections during garbage collection.
5545         * gold.h (queue_middle_gc_tasks): New function.
5546         (is_prefix_of): Move from "layout.cc".
5547         * i386.cc (Target_i386::gc_process_relocs): New function.
5548         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5549         * main.cc (main): Create object of class "Garbage_collection".
5550         * object.cc (Relobj::copy_symbols_data): New function.
5551         (Relobj::is_section_name_included): New function.
5552         (Sized_relobj::do_layout): Allow this function to be called twice
5553         during garbage collection and defer layout of section during the
5554         first call.
5555         * object.h (Relobj::get_symbols_data): New function.
5556         (Relobj::is_section_name_included): New function.
5557         (Relobj::copy_symbols_data): New function.
5558         (Relobj::set_symbols_data): New function.
5559         (Relobj::get_relocs_data): New function.
5560         (Relobj::set_relocs_data): New function.
5561         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5562         (Relobj::gc_process_relocs): New function.
5563         (Relobj::do_gc_process_relocs): New pure virtual function.
5564         (Relobj::sd_): New data member.
5565         (Sized_relobj::is_output_section_offset_invalid): New function.
5566         (Sized_relobj::do_gc_process_relocs): New function.
5567         * options.h (General_options::gc_sections): Modify to not be a no-op.
5568         (General_options::print_gc_sections): New option.
5569         * plugin.cc (Plugin_finish::run): Remove function call to
5570         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5571         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5572         * reloc.cc (Read_relocs::run): Add task to process relocs and
5573         determine unreferenced sections when doing garbage collection.
5574         (Gc_process_relocs): New class.
5575         (Sized_relobj::do_gc_process_relocs): New function.
5576         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5577         sections that are garbage collected.
5578         * reloc.h (Gc_process_relocs): New class.
5579         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5580         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5581         symbols whose corresponding sections are garbage collected.
5582         (Symbol_table::Symbol_table): Add new parameter for the garbage
5583         collection object.
5584         (Symbol_table::gc_mark_undef_symbols): New function.
5585         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5586         (Symbol_table::gc_mark_dyn_syms): New function.
5587         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5588         as garbage.
5589         (Symbol_table::add_from_object): Likewise.
5590         (Symbol_table::add_from_relobj): When building shared objects, do not
5591         treat externally visible symbols as garbage.
5592         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5593         table information for static and relocatable links.
5594         * symtab.h (Symbol_table::set_gc): New function.
5595         (Symbol_table::gc): New function.
5596         (Symbol_table::gc_mark_undef_symbols): New function.
5597         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5598         (Symbol_table::gc_mark_dyn_syms): New function.
5599         (Symbol_table::gc_): New data member.
5600         * target.h (Sized_target::gc_process_relocs): New pure virtual
5601         function.
5602         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5603         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5604
5605 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5606
5607         * options.h (General_options::gc_sections): Define as a no-op for now.
5608         (General_options::no_keep_memory): Ditto.
5609         (General_options::Bshareable): Define.
5610         * options.cc (General_options::finalize): Honor -Bshareable.
5611
5612 2009-01-20  Andreas Schwab  <schwab@suse.de>
5613
5614         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5615         read the value in the contents, since we don't use it.  Use the
5616         template endianness when writing.
5617         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5618
5619 2009-01-19  Andreas Schwab  <schwab@suse.de>
5620
5621         * configure.tgt (powerpc64-*): Fix targ_obj.
5622
5623 2009-01-15  Ian Lance Taylor  <iant@google.com>
5624
5625         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5626         local symbols when stripping all symbols.
5627
5628 2009-01-14  Cary Coutant  <ccoutant@google.com>
5629
5630         * output.cc (Output_reloc): Add explicit instantiations.
5631
5632 2009-01-14  Cary Coutant  <ccoutant@google.com>
5633
5634         * archive.cc (Archive::get_elf_object_for_member): Remove call
5635         to File_read::claim_for_plugin.
5636         * descriptors.cc (Descriptors::open): Remove reference to
5637         is_claimed.
5638         (Descriptors::claim_for_plugin): Remove.
5639         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5640         (Descriptors::is_claimed): Remove.
5641         (claim_descriptor_for_plugin): Remove.
5642         * fileread.cc (File_read::claim_for_plugin): Remove.
5643         * fileread.h (File_read::claim_for_plugin): Remove.
5644         (File_read::descriptor): Reopen descriptor if necessary.
5645         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5646         (Plugin_manager::all_symbols_read): Add task parameter. Change
5647         all callers.
5648         (Plugin_manager::get_input_file): New function.
5649         (Plugin_manager::release_input_file): New function.
5650         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5651         corresponding data member.
5652         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5653         and pass to base constructor. Change all callers.
5654         (get_input_file, release_input_file): New functions.
5655         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5656         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5657         (Plugin_manager::all_symbols_read): Add task parameter.
5658         (Plugin_manager::get_input_file): New function.
5659         (Plugin_manager::release_input_file): New function.
5660         (Plugin_manager::task_): New data member.
5661         (Pluginobj::Pluginobj): Add filesize parameter.
5662         (Pluginobj::filename): New function.
5663         (Pluginobj::descriptor): New function.
5664         (Pluginobj::filesize): New function.
5665         (Pluginobj::filesize_): New data member.
5666         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5667         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5668         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5669
5670         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5671         with archive libraries.
5672         * testsuite/Makefile.in: Regenerate.
5673         * testsuite/plugin_test.c (struct sym_info): New type.
5674         (get_input_file, release_input_file): New static variables.
5675         (onload): Capture new transfer vector entries.
5676         (claim_file_hook): Stop reading at end of file according to filesize.
5677         Factor out parsing of readelf output into separate function.
5678         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5679         APIs and get the source file name from the symbol table.  Convert
5680         source file name to corresponding object file name.  Print info
5681         message when adding new input files.
5682         (parse_readelf_line): New function.
5683         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5684         * testsuite/plugin_test_2.sh: Likewise.
5685         * testsuite/plugin_test_3.sh: Likewise.
5686         * testsuite/plugin_test_4.sh: New test case.
5687
5688 2009-01-07  Ian Lance Taylor  <iant@google.com>
5689
5690         * version.cc (version_string): Bump to 1.8.
5691
5692 2008-12-23  Cary Coutant  <ccoutant@google.com>
5693
5694         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5695         * plugin.cc (Plugin_manager::finish): Rename as
5696         layout_deferred_objects.  Move cleanup to separate function.
5697         (Plugin_manager::cleanup): New function.
5698         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5699         separately.
5700         * plugin.h (Plugin_manager::finish): Rename as
5701         layout_deferred_objects.
5702         (Plugin_manager::cleanup): New function.
5703         (Plugin_manager::cleanup_done): New field.
5704
5705 2008-12-23  Cary Coutant  <ccoutant@google.com>
5706
5707         * plugin.cc (is_visible_from_outside): New function.
5708         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5709         so we don't return "IR only" status for exported symbols or -r links.
5710
5711         * testsuite/Makefile.am (plugin_test_3): New test case.
5712         * testsuite/Makefile.in: Regenerate.
5713         * testsuite/plugin_test_3.sh: New file.
5714
5715 2008-12-22  Cary Coutant  <ccoutant@google.com>
5716
5717         * object.cc (Sized_relobj::layout_section): New function.
5718         (Sized_relobj::do_layout): Defer layout of input sections until after
5719         plugin has provided replacement files.
5720         (Sized_relobj::do_layout_deferred_sections): New function.
5721         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5722         (Relobj::layout_deferred_sections): New function.
5723         (Relobj::do_layout_deferred_sections): New function.
5724         (Sized_relobj::do_layout_deferred_sections): New function.
5725         (Sized_relobj::layout_section): New function.
5726         (Sized_relobj::Deferred_layout): New structure.
5727         (Sized_relobj::deferred_layout_): New field.
5728         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5729         Change all callers.  Layout deferred sections.
5730         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5731         references.
5732         (Plugin_hook::run): Move code from do_plugin_hook inline.
5733         (Plugin_hook::do_plugin_hook): Remove.
5734         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5735         (Plugin_manager::finish): Renamed, was cleanup.
5736         (Plugin_manager::should_defer_layout): New function.
5737         (Plugin_manager::add_deferred_layout_object): New function.
5738         (Plugin_manager::Deferred_layout_list): New type.
5739         (Plugin_manager::deferred_layout_objects_): New field.
5740         (Plugin_hook::do_plugin_hook): Remove.
5741
5742 2008-12-17  Ian Lance Taylor  <iant@google.com>
5743
5744         * options.h (class General_options): Add --no case for
5745         --export-dynamic.
5746
5747 2008-12-16  Cary Coutant  <ccoutant@google.com>
5748
5749         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5750         vector.
5751         (Plugin_manager::claim_file): Create plugin object even if
5752         plugin did not call the add_symbols callback.
5753         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5754         asking for more symbols than were added.
5755         * testsuite/Makefile.am (plugin_test_1): Add test case with
5756         no global symbols.
5757         (empty.syms): New target.
5758         * testsuite/Makefile.in: Regenerate.
5759         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5760         message. Don't call add_symbols if no globals.
5761         (all_symbols_read_hook): Don't provide replacement for empty
5762         claimed file.
5763
5764 2008-12-12  Ian Lance Taylor  <iant@google.com>
5765
5766         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5767         r_type == 0 for a local symbol with r_sym == 0.
5768         (scan_relocatable_relocs): Pass r_sym to
5769         local_non_section_strategy.
5770         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5771         r_sym parameter.
5772
5773         * configure.ac: Update test for TLS descriptors: they are
5774         supported as of glibc 2.9.
5775         * configure: Rebuild.
5776
5777 2008-12-11  Ian Lance Taylor  <iant@google.com>
5778
5779         PR 7091
5780         * target-reloc.h (Default_scan_relocatable_relocs): For each
5781         function, map r_type == 0 to RELOC_DISCARD.
5782
5783 2008-12-10  Cary Coutant  <ccoutant@google.com>
5784
5785         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5786         object to override a kept COMDAT group from a plugin object.
5787
5788 2008-12-09  Ian Lance Taylor  <iant@google.com>
5789
5790         PR 7088
5791         * yyscript.y (file_cmd): Handle INPUT.
5792
5793         * testsuite/initpri1.c: Change all declarations to be full
5794         prototypes by adding void, to avoid compiler warnings.
5795
5796 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5797
5798         * options.cc (General_options::parse_plugin_opt): New.
5799         (General_options::add_plugin): The argument now is just the filename.
5800         (General_options::add_plugin_option): New.
5801         * options.h (plugin_opt): New.
5802         (add_plugin): Change argument name.
5803         (add_plugin_option): New.
5804         * plugin.cc (Plugin::load): Don't parse the plugin option.
5805         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5806         (Plugin::add_option): New.
5807         (Plugin::args_): Change type.
5808         (Plugin::filename_): New.
5809         (Plugin_manager::add_plugin_option): New.
5810         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5811         * testsuite/Makefile.in: Regenerate.
5812
5813 2008-12-05  Cary Coutant  <ccoutant@google.com>
5814
5815         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5816         Handle --strip-lto-sections option.
5817         * options.h (strip_lto_sections): New option.
5818
5819 2008-12-01  Cary Coutant  <ccoutant@google.com>
5820
5821         * plugin.cc (ld_plugin_message): Change format parameter to const.
5822         Fix mismatch between new[] and delete.
5823
5824 2008-11-14  Cary Coutant  <ccoutant@google.com>
5825
5826         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5827         instead of -1U.
5828
5829 2008-11-05  Craig Silverstein  <csilvers@google.com>
5830
5831         * options.cc (General_options::parse_dynamic_list): New function.
5832         * options.h (General_options): New flags dynamic_list,
5833         dynamic_list_data, dynamic_list_cpp_new, and
5834         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5835         (General_options::in_dynamic_list): New function.
5836         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5837         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5838         (Lex::can_continue_name): Likewise.
5839         (yylex): Likewise.
5840         (read_script_file): New parameter script_options.
5841         (read_dynamic_list): New function.
5842         (Script_options::define_dynamic_list): New function.
5843         (dynamic_list_keyword_parsecodes): New variable.
5844         (dynamic_list_keywords): New variable.
5845         * script.h (Script_options::define_dynamic_list): New function
5846         prototype.
5847         (read_dynamic_list): New function prototype.
5848         * symtab.cc (strprefix): New macro.
5849         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5850         dynamic_list_data, dynamic_list_cpp_new, and
5851         dynamic_list_cpp_typeinfo.
5852         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5853         (dynamic_list_expr): New rule.
5854         (dynamic_list_nodes): Likewise.
5855         (dynamic_list_node): Likewise.
5856         * testsuite/Makefile.am (dynamic_list): New test.
5857         * testsuite/Makefile.in: Regenerated.
5858         * testsuite/dynamic_list.t: New file.
5859         * testsuite/dynamic_list.sh: New file.
5860
5861 2008-11-05  Craig Silverstein  <csilvers@google.com>
5862
5863         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5864         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5865         (t11_last): Likewise.
5866         * testsuite/ver_test_6.c (main): Likewise.
5867
5868 2008-10-07  Cary Coutant  <ccoutant@google.com>
5869
5870         * options.c (General_options::finalize): Add check for -static and
5871         -shared.
5872         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5873         is not empty.
5874
5875 2008-10-02  Cary Coutant  <ccoutant@google.com>
5876
5877         * plugin.cc (make_sized_plugin_object): Fix conditional
5878         compilation to work when not all targets are enabled.
5879
5880 2008-09-29  Cary Coutant  <ccoutant@google.com>
5881
5882         * archive.cc (Archive::get_file_and_offset): Use filename instead
5883         of name to get library path.
5884         (Archive::include_member): Unlock external member of a thin archive.
5885
5886         * testsuite/Makefile.am (TEST_AR): New variable.
5887         (thin_archive_test_1): New test.
5888         (thin_archive_test_2): New test.
5889         * testsuite/Makefile.in: Regenerate.
5890         * testsuite/thin_archive_main.cc: New file.
5891         * testsuite/thin_archive_test_1.cc: New file.
5892         * testsuite/thin_archive_test_2.cc: New file.
5893         * testsuite/thin_archive_test_3.cc: New file.
5894         * testsuite/thin_archive_test_4.cc: New file.
5895
5896 2008-09-29  Cary Coutant  <ccoutant@google.com>
5897
5898         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5899         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5900         instead of -1U.
5901         (Sized_relobj::do_finalize_local_symbols): Likewise.
5902         (Sized_relobj::map_to_kept_section): Likewise.
5903         * object.h (Sized_relobj::invalid_address): New constant.
5904         (Sized_relobj::do_output_section_offset): Check for invalid_address
5905         and return -1ULL.
5906         * output.cc (Output_reloc::local_section_offset): Use constant
5907         invalid_address instead of -1U.
5908         (Output_reloc::get_address): Likewise.
5909         (Output_section::output_address): Change -1U to -1ULL.
5910         * output.h (Output_reloc::invalid_address): New constant.
5911         * reloc.cc (Sized_relobj::write_sections): Use constant
5912         invalid_address instead of -1U.
5913         (Sized_relobj::relocate_sections): Likewise.
5914         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5915         values for merge sections.
5916         * target-reloc.h (relocate_for_relocatable): Use constant
5917         invalid_address instead of -1U.
5918
5919 2008-09-19  Cary Coutant  <ccoutant@google.com>
5920
5921         Add plugin functionality for link-time optimization (LTO).
5922         * configure.ac (plugins): Add --enable-plugins option.
5923         * configure: Regenerate.
5924         * config.in: Regenerate.
5925         * Makefile.am (LIBDL): New variable.
5926         (CCFILES): Add plugin.cc.
5927         (HFILES): Add plugin.h.
5928         (ldadd_var): Add LIBDL.
5929         * Makefile.in: Regenerate.
5930
5931         * archive.cc: Include "plugin.h".
5932         (Archive::setup): Don't preread archive symbols when using a plugin.
5933         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5934         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5935         files.
5936         (Archive::include_member): Add symbols from plugin objects.
5937         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5938         * descriptors.cc (Descriptors::open): Check for file descriptors
5939         abandoned by plugins.
5940         (Descriptors::claim_for_plugin): New function.
5941         * descriptors.h (Descriptors::claim_for_plugin): New function.
5942         (Open_descriptor::is_claimed): New field.
5943         (claim_descriptor_for_plugin): New function.
5944         * fileread.cc (File_read::claim_for_plugin): New function.
5945         * fileread.h (File_read::claim_for_plugin): New function.
5946         (File_read::descriptor): New function.
5947         * gold.cc: Include "plugin.h".
5948         (queue_initial_tasks): Add task to call plugin hooks for generating
5949         new object files.
5950         * main.cc: Include "plugin.h".
5951         (main): Load plugin libraries.
5952         * object.h (Pluginobj): Declare.
5953         (Object::pluginobj): New function.
5954         (Object::do_pluginobj): New function.
5955         (Object::set_target): New function.
5956         * options.cc: Include "plugin.h".
5957         (General_options::parse_plugin): New function.
5958         (General_options::General_options): Initialize plugins_ field.
5959         (General_options::add_plugin): New function.
5960         * options.h (Plugin_manager): Declare.
5961         (General_options): Add --plugin option.
5962         (General_options::has_plugins): New function.
5963         (General_options::plugins): New function.
5964         (General_options::add_plugin): New function.
5965         (General_options::plugins_): New field.
5966         * plugin.cc: New file.
5967         * plugin.h: New file.
5968         * readsyms.cc: Include "plugin.h".
5969         (Read_symbols::do_read_symbols): Check for archive before checking
5970         for ELF file.  Call plugin hooks to claim files.
5971         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5972         from a real object file; force override when processing replacement
5973         files.
5974         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5975         (Symbol::init_base_object): Likewise.
5976         (Symbol::init_base_output_data): Likewise.
5977         (Symbol::init_base_output_segment): Likewise.
5978         (Symbol::init_base_constant): Likewise.
5979         (Symbol::init_base_undefined): Likewise.
5980         (Symbol::output_section): Assert that object is not a plugin.
5981         (Symbol_table::add_from_pluginobj): New function.
5982         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5983         undefined.
5984         (Symbol_table::sized_write_globals): Likewise.
5985         (Symbol_table::add_from_pluginobj): Instantiate template.
5986         * symtab.h (Sized_pluginobj): Declare.
5987         (Symbol::in_real_elf): New function.
5988         (Symbol::set_in_real_elf): New function.
5989         (Symbol::in_real_elf_): New field.
5990         (Symbol_table::add_from_pluginobj): New function.
5991
5992         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5993         (LIBDL): New variable.
5994         (LDADD): Add LIBDL.
5995         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5996         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5997         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5998         (MOSTLYCLEANFILES): Likewise.
5999         * testsuite/Makefile.in: Regenerate.
6000         * testsuite/plugin_test.c: New file.
6001         * testsuite/plugin_test_1.sh: New file.
6002         * testsuite/plugin_test_2.sh: New file.
6003
6004 2008-09-16  Ian Lance Taylor  <iant@google.com>
6005
6006         * target-reloc.h (relocate_section): Check whether a symbol is
6007         defined by the ABI before reporting an undefined symbol error.
6008         * target.h (Target::is_defined_by_abi): Make parameter const.
6009         (Target::do_is_defined_by_abi): Likewise.
6010         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6011         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6012         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6013         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6014         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6015         * testsuite/Makefile.in: Rebuild.
6016
6017         * fileread.cc (make_view): Add casts to avoid warning.
6018
6019 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6020
6021         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6022         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6023
6024 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6025
6026         * options.h (General_options::output_is_executable): New.
6027         (General_options::output_is_pie): New.
6028         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6029         for shared libraries.
6030         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6031
6032 2008-09-11  Chris Demetriou  <cgd@google.com>
6033
6034         * options.h (origin): New -z option.
6035         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6036         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6037         in DT_FLAGS_1.
6038
6039 2008-09-05  Cary Coutant  <ccoutant@google.com>
6040
6041         * fileread.cc (File_read::make_view): Add check for attempt to map
6042         beyond end of file.
6043
6044 2008-09-05  Cary Coutant  <ccoutant@google.com>
6045
6046         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6047         explicit instantiations.
6048
6049 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6050
6051         PR gold/6858
6052         * options.cc (General_options::finalize): Allow undefined symbols
6053         in shlibs if linking -shared.
6054
6055         PR gold/6859
6056         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6057         symbols as not needing a dynsym entry.
6058
6059 2008-08-20  Craig Silverstein  <csilvers@google.com>
6060
6061         * fileread.cc (File_read::open): Do not lock the file unless it
6062         was successfully opened.
6063
6064 2008-08-14  Cary Coutant  <ccoutant@google.com>
6065
6066         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6067         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6068         * testsuite/tls_test.cc (struct int128): 128-bit struct
6069         for testing TLS relocs with non-zero addend.
6070         (v12): New TLS variable.
6071         (t12): New test.
6072         (t_last): Add check for v12.
6073         * testsuite/tls_test.h (t12): New function.
6074         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6075
6076 2008-08-13  Ian Lance Taylor  <iant@google.com>
6077
6078         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6079         set tls_segment_ or relro_segment_.
6080         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6081         when appropriate.
6082         * output.h (Output_section::clear_is_relro): New function.
6083         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6084         sections specially even when output_data_ is empty.
6085         (Output_segment::maximum_alignment): When first section is relro,
6086         only force alignment for PT_LOAD segments.
6087         * script.cc (script_data_segment_align): New function.
6088         (script_data_segment_relro_end): New function.
6089         * script-c.h (script_data_segment_align): Declare.
6090         (script_data_segment_relro_end): Declare.
6091         * script-sections.h (class Script_sections): Declare
6092         data_segment_align and data_segment_relro_end.  Add fields
6093         segment_align_index_ and saw_relro_end_.
6094         * script-sections.cc (class Sections_element): Add set_is_relro
6095         virtual function.  Add new bool* parameter to place_orphan_here.
6096         Add get_output_section virtual function.
6097         (class Output_section_definition): Add set_is_relro.  Add new
6098         bool* parameter to place_orphan_here.  Add get_output_section.
6099         Add is_relro_ field.
6100         (Output_section_definition::Output_section_definition): Initialize
6101         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6102         and is_relro_ fields.
6103         (Output_section_definition::place_orphan_here): Add is_relro
6104         parameter.
6105         (Output_section_definition::set_section_addresses): Set relro for
6106         output section.
6107         (Output_section_definition::alternate_constraint): Likewise.
6108         (class Orphan_output_section): Add new bool* parameter to
6109         place_orphan_here.  Add get_output_section.
6110         (Orphan_output_section::place_orphan_here): Add is_relro
6111         parameter.
6112         (Script_sections::Script_sections): Initialize
6113         data_segment_align_index_ and saw_relro_end_.
6114         (Script_sections::data_segment_align): New function.
6115         (Script_sections::data_segment_relro_end): New function.
6116         (Script_sections::place_orphan): Set or clear is_relro.
6117         (Script_sections::set_section_addresses): Force alignment of first
6118         TLS section.
6119         * yyscript.y (exp): Call script_data_segment_align and
6120         script_data_segment_relro_end.
6121         * testsuite/relro_script_test.t: New file.
6122         * testsuite/relro_test.cc (using_script): Declare.
6123         (t1, t2): Test using_script.
6124         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6125         (relro_script_test_SOURCES): Define.
6126         (relro_script_test_DEPENDENCIES): Define.
6127         (relro_script_test_LDFLAGS): Define.
6128         (relro_script_test_LDADD): Define.
6129         (relro_script_test.so): New target.
6130         * testsuite/Makefile.in: Rebuild.
6131
6132 2008-08-06  Cary Coutant <ccoutant@google.com>
6133
6134         * archive.cc (Archive::total_archives, Archive::total_members)
6135         (Archive::total_members_loaded): New variables.
6136         (Archive::setup): Add parameter.  Add option to preread
6137         archive symbols.
6138         (Archive::read_armap): Add counter.
6139         (Archive::get_file_and_offset): New function.
6140         (Archive::get_elf_object_for_member): New function.
6141         (Archive::read_all_symbols): New function.
6142         (Archive::read_symbols): New function.
6143         (Archive::add_symbols): Add counters.
6144         (Archive::include_all_members): Use armap to find members if it's
6145         already built.
6146         (Archive::include_member): Skip reading symbols if already read.
6147         Factored code into Archive::get_file_and_offset and
6148         Archive::get_elf_object_for_member.  Changed call to
6149         Mapfile::report_include_archive_member.
6150         (Archive::print_stats): New function.
6151         * archive.h: Declare Object and Read_symbols_data classes.
6152         (Archive::Archive): Add initializers for new members.
6153         (Archive::setup): Add parameter.
6154         (Archive::print_stats): New function.
6155         (Archive::total_archives, Archive::total_members)
6156         (Archive::total_members_loaded): New variables.
6157         (Archive::get_file_and_offset): New function.
6158         (Archive::get_elf_object_for_member): New function.
6159         (Archive::read_all_symbols): New function.
6160         (Archive::read_symbols): New function.
6161         (Archive::Archive_member): New class.
6162         (Archive::members_): New member.
6163         (Archive::num_members_): New member.
6164         * main.cc: Include archive.h.
6165         (main): Call Archive::print_stats.
6166         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6167         archive parameter; member_name is now the fully-decorated name.
6168         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6169         * options.h: (General_options): Add --preread-archive-symbols option.
6170         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6171         Archive::setup.
6172
6173 2008-08-04  Ian Lance Taylor  <iant@google.com>
6174
6175         * symtab.h (Symbol::use_plt_offset): New function.
6176         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6177         * powerpc.cc (Relocate::relocate): Likewise.
6178         * sparc.cc (Relocate::relocate): Likewise.
6179         * x86_64.cc (Relocate::relocate): Likewise.
6180         * testsuite/weak_plt.sh: New test.
6181         * testsuite/weak_plt_main.cc: New test.
6182         * testsuite/weak_plt_shared.cc: New test.
6183         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6184         (check_PROGRAMS): Add weak_plt.
6185         (check_DATA): Add weak_plt_shared.so.
6186         (weak_plt_main_pic.o, weak_plt): New targets.
6187         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6188         * testsuite/Makefile.in: Rebuild.
6189
6190         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6191         gcctestdir/ld.
6192         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6193         * testsuite/Makefile.in: Rebuild.
6194
6195 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6196
6197         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6198         * Makefile.in: Regenerate.
6199         * po/POTFILES.in: Regenerate.
6200
6201 2008-07-29  Ian Lance Taylor  <iant@google.com>
6202
6203         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6204         symbols before other symbols.
6205         * testsuite/script_test_2.cc (test_addr): Declare.
6206         (test_addr_alias): Declare.
6207         (main): Check that test_addr and test_addr_alias have the right
6208         values.
6209         * testsuite/script_test_2.t: Define test_addr_alias and
6210         test_addr.
6211
6212 2008-07-24  Ian Lance Taylor  <iant@google.com>
6213
6214         PR 5990
6215         * descriptors.cc: New file.
6216         * descriptors.h: New file.
6217         * gold-threads.h (class Hold_optional_lock): New class.
6218         * fileread.cc: Include "descriptors.h".
6219         (File_read::~File_read): Release descriptor rather than closing
6220         it.
6221         (File_read::open) [file]: Call open_descriptor rather than open.
6222         Set is_descriptor_opened_.
6223         (File_read::open) [memory]: Assert that descriptor is not open.
6224         (File_read::reopen_descriptor): New function.
6225         (File_read::release): Release descriptor.
6226         (File_read::do_read): Make non-const.  Reopen descriptor.
6227         (File_read::read): Make non-const.
6228         (File_read::make_view): Reopen descriptor.
6229         (File_read::do_readv): Likewise.
6230         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6231         Update declarations.
6232         * layout.cc: Include "descriptors.h".
6233         (Layout::create_build_id): Use open_descriptor rather than open.
6234         * output.cc: Include "descriptors.h".
6235         (Output_file::open): Use open_descriptor rather than open.
6236         * archive.cc (Archive::const_iterator): Change Archive to be
6237         non-const.
6238         (Archive::begin, Archive::end): Make non-const.
6239         (Archive::count_members): Likewise.
6240         * archive.h (class Archive): Update declarations.
6241         * object.h (Object::read): Make non-const.
6242         * Makefile.am (CCFILES): Add descriptors.cc.
6243         (HFILES): Add descriptors.h.
6244         * Makefile.in: Rebuild.
6245
6246         PR 6716
6247         * gold.h: Always include <clocale>.  Add Solaris workarounds
6248         following code in binutils/sysdep.h.
6249
6250         PR 6048
6251         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6252         this->eh_frame_hdr_ is NULL before using it.
6253
6254         * dynobj.cc (Versions::Versions): Update comment.
6255
6256         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6257         the base version name.
6258
6259         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6260         array size plus one.
6261         (Stringpool_template::set_string_offsets): Subtract one from key
6262         before using it as an array index.
6263         (Stringpool_template::get_offset_with_length): Likewise.
6264         (Stringpool_template::write_to_buffer): Likewise.
6265         * stringpool.h (Stringpool_template::get_offset_from_key):
6266         Likewise.
6267
6268 2008-07-23  Ian Lance Taylor  <iant@google.com>
6269
6270         PR 6658
6271         * object.h (Merged_symbol_value::value): Do our best to handle a
6272         negative addend.
6273
6274         PR 6647
6275         * script.cc (Version_script_info::get_versions): Don't add empty
6276         version tag to return value.
6277         (Version_script_info::get_symbol_version_helper): Change return
6278         type to bool.  Add pversion parameter.  Change all callers.
6279         (script_register_vers_node): Don't require a non-NULL tag.
6280         * script.h (class Version_script_info): Update declarations.
6281         (Version_script_info::get_symbol_version): Change return type to
6282         bool.  Add version parameter.  Change all callers.
6283         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6284         handling.  Handle an empty version from a version script.
6285         (Symbol_table::define_special_symbol): Likewise.
6286         * testsuite/ver_test_10.script: New file.
6287         * testsuite/ver_test_10.sh: New file.
6288         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6289         (check_DATA): Add ver_test_10.syms.
6290         (ver_test_10.syms, ver_test_10.so): New target.
6291         * testsuite/Makefile.in: Rebuild.
6292
6293 2008-07-23  Simon Baldwin  <simonb@google.com>
6294
6295         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6296         to zero for undefined symbols from dynamic libraries.
6297
6298 2008-07-23  Ian Lance Taylor  <iant@google.com>
6299
6300         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6301         Change all callers.
6302         * symtab.h (class Symbol_table): Update declaration.
6303         * testsuite/ver_test_9.cc: New file.
6304         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6305         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6306         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6307         (ver_test_9.so, ver_test_9.o): New targets.
6308         * testsuite/Makefile.in: Rebuild.
6309
6310 2008-07-22  Ian Lance Taylor  <iant@google.com>
6311
6312         * options.h (class General_options): Define --check-sections.
6313         * layout.cc (Layout::set_segment_offsets): Handle
6314         --check-sections.
6315
6316         * options.h (class General_options): Define -n/--nmagic and
6317         -N/--omagic.
6318         * options.cc (General_options::finalize): For -n/--nmagic or
6319         -N/--omagic, set -static.
6320         * layout.cc (Layout::attach_allocated_section_to_segment): If
6321         -N/--omagic, don't put read-only and read-write sections in
6322         different segments.
6323         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6324         finding a read-only segment.
6325         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6326         don't set the minimum segment alignment to the common page size,
6327         and don't set the file offset to the address modulo the page size.
6328         * script-sections.cc (Script_sections::create_segments): If
6329         -n/--omagic, don't put read-only and read-write sections in
6330         different segments.
6331
6332         * cref.cc: New file.
6333         * cref.h: New file.
6334         * options.h (class General_options): Add --print-symbol-counts.
6335         * main.cc (main): Issue defined symbol report if requested.
6336         * archive.cc (Archive::interpret_header): Make into a const member
6337         function.
6338         (Archive::add_symbols): Call Input_objects::archive_start and
6339         archive_stop.
6340         (Archive::const_iterator): Define new class.
6341         (Archive::begin, Archive::end): New functions.
6342         (Archive::include_all_members): Rewrite to use iterator.
6343         (Archive::count_members): New function.
6344         * archive.h (class Archive): Update declarations.
6345         (Archive::filename): New function.
6346         * object.cc: Include "cref.h".
6347         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6348         (Sized_relobj::do_get_global_symbol_counts): New function.
6349         (Input_objects::add_object): Add object to cross-referencer.
6350         (Input_objects::archive_start): New function.
6351         (Input_objects::archive_stop): New function.
6352         (Input_objects::print_symbol_counts): New function.
6353         * object.h: Declare Cref and Archive.
6354         (Object::get_global_symbol_counts): New function.
6355         (Object::do_get_global_symbol_counts): New pure virtual function.
6356         (class Sized_relobj): Add defined_count_ field.  Update
6357         declarations.
6358         (class Input_objects): Add cref_ field.  Update constructor.
6359         Update declarations.
6360         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6361         defined_count_.
6362         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6363         symbol counts.
6364         (Sized_dynobj::do_get_global_symbol_counts): New function.
6365         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6366         defined_count_.  Update declarations.  Define Symbols typedef.
6367         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6368         parameter.  Change all callers.
6369         (Symbol_table::add_from_dynobj): Add sympointers and defined
6370         parameters.  Change all callers.
6371         * symtab.h (class Symbol_table): Update declarations.
6372         * Makefile.am (CCFILES): Add cref.cc.
6373         (HFILES): Add cref.h.
6374         * Makefile.in: Rebuild.
6375
6376 2008-07-22  Simon Baldwin  <simonb@google.com>
6377
6378         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6379         to zero when writing undefined symbols.
6380
6381 2008-07-22  Ian Lance Taylor  <iant@google.com>
6382
6383         * output.cc (Output_section::add_input_section): Don't try to
6384         merge empty merge sections.
6385
6386 2008-07-21  Craig Silverstein  <csilvers@google.com>
6387
6388         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6389         Include symbol version in error message.
6390
6391 2008-07-20  Chris Demetriou  <cgd@google.com>
6392
6393         * configure.ac (gold_cv_c_random_seed): New configured variable.
6394         (RANDOM_SEED_CFLAGS): New substituted variable.
6395         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6396         * configure: Rebuild.
6397         * Makefile.in: Likewise.
6398         * testsuite/Makefile.in: Likewise.
6399
6400 2008-07-18  Ian Lance Taylor  <iant@google.com>
6401
6402         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6403         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6404         * testsuite/ver_test_main.cc (main): Call t4.
6405         (t4, t4_2a): Define.
6406         * testsuite/ver_test_2.cc (t4_2): Define.
6407         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6408         * testsuite/ver_test_4.cc (t4_2a): Define.
6409         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6410         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6411
6412 2008-07-17  Ian Lance Taylor  <iant@google.com>
6413
6414         * dynobj.cc (Versions::add_def): If we give an error about a
6415         missing version, go ahead and create the version anyhow.
6416
6417 2008-07-10  Ian Lance Taylor  <iant@google.com>
6418
6419         Handle output sections with more than 0x7fffffff bytes.
6420         * object.h (class Relobj): Change map_to_output_ to
6421         output_sections_, and just keep a section pointer.  Change all
6422         uses.  Move comdat group support to Sized_relobj.
6423         (Relobj::is_section_specially_mapped): Remove.
6424         (Relobj::output_section): Remove poff parameter.  Change all
6425         callers.
6426         (Relobj::output_section_offset): New function.
6427         (Relobj::set_section_offset): Rewrite.
6428         (Relobj::map_to_output): Remove.
6429         (Relobj::output_sections): New function.
6430         (Relobj::do_output_section_offset): New pure virtual function.
6431         (Relobj::do_set_section_offset): Likewise.
6432         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6433         group support from Relobj.  Update declarations.
6434         (Sized_relobj::get_output_section_offset): New function.
6435         (Sized_relobj::do_output_section_offset): New function.
6436         (Sized_relobj::do_set_section_offset): New function.
6437         * object.cc (Relobj::output_section_address): Remove.
6438         (Sized_relobj::Sized_relobj): Initialize new fields.
6439         (Sized_relobj::include_section_group): Cast find_kept_object to
6440         Sized_relobj.
6441         (Sized_relobj::include_linkonce_section): Likewise.
6442         (Sized_relobj::do_layout): Use separate arrays for output section
6443         and output offset.
6444         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6445         output_sections.
6446         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6447         output_sections and section_offsets.
6448         (Sized_relobj::write_local_symbols): Likewise.
6449         (map_to_kept_section): Compute output address directly.
6450         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6451         output_sections and section_offsets.
6452         (Sized_relobj::write_sections): Likewise.
6453         (Sized_relobj::relocate_sections): Likewise.
6454         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6455         * output.h (class Output_reloc): Update declarations.  Change
6456         u2_.relobj to Sized_relobj*.
6457         (class Output_data_reloc): Change add functions to use
6458         Sized_relobj*.
6459         * output.cc (Output_reloc::Output_reloc): Change relobj to
6460         Sized_relobj*.
6461         (Output_reloc::local_section_offset): Change return type to
6462         Elf_Addr.  Use get_output_section_offset.
6463         (Output_reloc::get_address): Likewise.
6464         (Output_section::is_input_address_mapped): Don't call
6465         is_section_specially_mapped.
6466         (Output_section::output_offset): Likewise.
6467         (Output_section::output_address): Likewise.
6468         (Output_section::starting_output_address): Likewise.
6469         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6470         parameter to Sized_relobj*.
6471         (Copy_relocs::need_copy_reloc): Likewise.
6472         (Copy_relocs::save): Likewise.
6473         * copy-relocs.h (class Copy_relocs): Update declarations.
6474         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6475         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6476         * target-reloc.h (relocate_for_relocatable): Change
6477         offset_in_output_section type to Elf_Addr.  Change code that uses
6478         it as well.
6479         * layout.cc (Layout::layout): Always set *off.
6480         * mapfile.cc (Mapfile::print_input_section): Use
6481         output_section_offset.
6482         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6483         Sized_relobj*.
6484         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6485         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6486         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6487
6488 2008-07-03  Ian Lance Taylor  <iant@google.com>
6489
6490         * layout.cc (Layout::include_section): Do not discard unrecognized
6491         SHT_STRTAB sections.
6492
6493 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6494
6495         * script.cc (Lex::can_continue_name): Make '?' allowable in
6496         version-script names.
6497         * testsuite/version_script.map: Change glob pattern to use '?'
6498
6499 2008-06-30  Manish Singh  <yosh@gimp.org>
6500
6501         PR 6585
6502         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6503         Correct typo.
6504
6505 2008-06-30  Ian Lance Taylor  <iant@google.com>
6506
6507         PR 6660
6508         PR 6682
6509         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6510         versions]: Don't try to read the value in the contents, since we
6511         don't use it.  Use the template endianness when writing.
6512
6513 2008-06-25  Cary Coutant  <ccoutant@google.com>
6514
6515         * fileread.cc (File_read::make_view): Assert on zero-length view.
6516         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6517         symbol table when there are no symbols to read.
6518
6519 2008-06-23  Craig Silverstein  <csilvers@google.com>
6520
6521         * version.cc (version_string): Bump to 1.7
6522
6523 2008-06-18  Craig Silverstein  <csilvers@google.com>
6524
6525         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6526         constant 0xFFFF to type Valtype.
6527         (Powerpc_relocate_functions::rel16_ha): Likewise.
6528
6529 2008-06-17  Ian Lance Taylor  <iant@google.com>
6530
6531         * output.h (Output_section::Input_section): Initialize p2align_ to
6532         zero for Output_section_data constructors.
6533         (Output_section::Input_section::addralign): If not an input
6534         section, return the alignment of the Output_section_data.
6535         * testsuite/copy_test.cc: New file.
6536         * testsuite/copy_test_1.cc: New file.
6537         * testsuite/copy_test_2.cc: New file.
6538         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6539         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6540         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6541         (copy_test_1_pic.o, copy_test_1.so): New targets.
6542         (copy_test_2_pic.o, copy_test_2.so): New targets.
6543         * testsuite/Makefile.in: Rebuild.
6544
6545         * script-sections.cc (Script_sections::place_orphan): Initialize
6546         local variable exact.
6547
6548 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6549
6550         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6551
6552 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6553             David S. Miller  <davem@davemloft.net>
6554
6555         * powerpc.cc: New file.
6556         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6557         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6558         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6559         * Makefile.in: Rebuild.
6560
6561 2008-06-09  Ian Lance Taylor  <iant@google.com>
6562
6563         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6564         <exception>.
6565         (throwing, orig_terminate): New static variables.
6566         (terminate_handler): New static function.
6567         (t2): Set terminate handler.
6568
6569 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6570
6571         PR 6584
6572         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6573         alignment.
6574
6575 2008-05-30  Cary Coutant  <ccoutant@google.com>
6576
6577         * archive.cc (Archive::include_all_members) Correct to step
6578         over symbol table and extended name table in thin archives.
6579
6580 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6581
6582         PR 6407
6583         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6584         calculation.
6585
6586 2008-05-28  Caleb Howe  <cshowe@google.com>
6587
6588         * reduced_debug_output.cc: New file.
6589         * reduced_debug_output.h: New file.
6590         * options.h (class General_options): Add --strip-debug-non-line.
6591         * options.cc (General_options::finalize): Add strip_debug_non_line
6592         to the strip heirarchy.
6593         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6594         fields.
6595         * layout.cc: Include "reduced_debug_output.h".
6596         (Layout::Layout): Initialize new fields.
6597         (line_only_debug_sections): New static array.
6598         (is_lines_only_debug_sections): New static inline function.
6599         (Layout::include_section): Handle --strip-debug-non-line.
6600         (Layout::make_output_section): If --strip-debug-non-line, build
6601         new output sections for .debug_abbrev and .debug_info.
6602         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6603         gold.  Warn about possible overflow.
6604         (read_signed_LEB_128): Likewise.
6605         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6606         (read_signed_LEB_128): Declare.
6607         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6608         (HFILES): Add reduced_debug_output.h.
6609         * Makefile.in: Rebuild.
6610
6611 2008-05-21  Ian Lance Taylor  <iant@google.com>
6612
6613         * mapfile.cc: New file.
6614         * mapfile.h: New file.
6615         * options.h (class General_options): Add -M/--print-map and -Map.
6616         * options.cc (General_options::finalize): Make -M equivalent to
6617         -Map -.
6618         * main.cc: Include <cstdio> and "mapfile.h".
6619         (main): Open mapfile if requested.
6620         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6621         constructor.  Change caller.
6622         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6623         (queue_middle_tasks): Likewise.
6624         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6625         declarations.
6626         * archive.cc: Include "mapfile.h".
6627         (Archive::add_symbols): Add mapfile parameter.  Change all
6628         callers.  Pass mapfile, symbol, and reason to include_member.
6629         (Archive::include_all_members): Add mapfile parameter.  Change all
6630         callers.
6631         (Archive::include_member): Add mapfile, sym, and why parameters.
6632         Change all callers.  Report inclusion to map file.
6633         * archive.h: Include "fileread.h".
6634         (class Archive): Update declarations.
6635         (Archive::file): New const method.
6636         (class Add_archive_symbols): Add mapfile_ field.  Update
6637         constructor.  Change all callers.
6638         * readsyms.h (class Read_symbols): Likewise.
6639         (class Finish_group): Likewise.
6640         (class Read_script): Likewise.
6641         * common.cc: Include "mapfile.h".
6642         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6643         all callers.
6644         (Symbol_table::do_allocate_commons): Likewise.
6645         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6646         symbol allocation to mapfile.
6647         * common.h (class Allocate_commons_task): Add mapfile_ field.
6648         Update constructor.  Change all callers.
6649         * symtab.h (class Symbol_table): Update declarations.
6650         * layout.cc: Include "mapfile.h".
6651         (Layout_task_runner::run): Print information to mapfile.
6652         (Layout::create_gold_note): Change Output_data_fixed_space to
6653         Output_data_zero_fill.
6654         (Layout::create_build_id): Likewise.
6655         (Layout::print_to_mapfile): New function.
6656         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6657         constructor.  Change caller.
6658         (class Layout): Declare print_to_mapfile.
6659         * output.cc (Output_section::Input_section::print_to_mapfile): New
6660         function.
6661         (Output_section::add_input_section): If producing a map, always
6662         add to input_sections_ list.
6663         (Output_section::do_print_to_mapfile): New function.
6664         (Output_segment::print_sections_to_mapfile): New function.
6665         (Output_segment::print_section_list_to_mapfile): New function.
6666         * output.h: Include "mapfile.h".
6667         (Output_data::print_to_mapfile): New function.
6668         (Output_data::do_print_to_mapfile): New virtual function.
6669         (Output_segment_headers::do_print_to_mapfile): New function.
6670         (Output_file_header::do_print_to_mapfile): New function.
6671         (Output_data_const::do_print_to_mapfile): New function.
6672         (class Output_data_const_buffer): Add map_name_ field.  Update
6673         constructor.  Change all callers.  Add do_print_to_mapfile
6674         function.
6675         (class Output_data_fixed_space): Likewise.
6676         (class Output_data_space): Likewise.
6677         (class Output_data_zero_fill): New class.
6678         (Output_data_strtab::do_print_to_mapfile): New function.
6679         (Output_data_reloc_base::do_print_to_mapfile): New function.
6680         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6681         (Output_data_group::do_print_to_mapfile): New function.
6682         (Output_data_got::do_print_to_mapfile): New function.
6683         (Output_data_dynamic::do_print_to_mapfile): New function.
6684         (Output_symtab_xindex::do_print_to_mapfile): New function.
6685         (class Output_section): Declare do_print_to_mapflie.  Declare
6686         print_to_mapfile in Input_section.
6687         (class Output_segment): Declare new functions.
6688         * object.h (Sized_relobj::symbol_count): New function.
6689         * script-sections.cc
6690         (Output_section_element_dot_assignment::set_section_addresses):
6691         Change Output_data_fixed_space to Output_data_zero_fill.
6692         (Output_data_expression::do_print_to_mapfile): New function.
6693         * script.cc (read_input_script): Add mapfile parameter.  Change
6694         all callers.
6695         * script.h (read_input_script): Update declaration.
6696         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6697         (Eh_frame::do_print_to_mapfile): New function.
6698         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6699         (Output_merge_string::do_print_to_mapfile): New function.
6700         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6701         function.
6702         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6703         function.
6704         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6705         function.
6706         * Makefile.am (CCFILES): Add mapfile.cc.
6707         (HFILES): Add mapfile.h.
6708         * Makefile.in: Rebuild.
6709
6710 2008-05-19  Ian Lance Taylor  <iant@google.com>
6711
6712         * options.h (class General_options): Add -z relro.
6713         * layout.cc (Layout::Layout): Initialize relro_segment_.
6714         (Layout::add_output_section_data): Return the output section.
6715         (Layout::make_output_section): Rcognize relro sections and mark
6716         them appropriately.
6717         (Layout::attach_allocated_section_to_segment): Put relro sections
6718         in a PT_GNU_RELRO segment.
6719         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6720         section as relro.
6721         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6722         PT_TLS segments.
6723         (Layout::linkonce_mapping): Map d.rel.ro.local to
6724         .data.rel.ro.local.
6725         (Layout::output_section_name): Us .data.rel.ro.local for any
6726         section which begins with that.
6727         * layout.h (class Layout): Update add_output_section_data
6728         declaration.  Add relro_segment_ field.
6729         * output.cc (Output_section::Output_section): Initialize is_relro_
6730         and is_relro_local_ fields.
6731         (Output_segment::add_output_section): Group relro sections.
6732         (Output_segment::is_first_section_relro): New function.
6733         (Output_segment::maximum_alignment): If there is a relro section,
6734         align the segment to the common page size.
6735         (Output_segment::set_section_addresses): Track whether we are
6736         looking at relro sections.  If the last section is a relro
6737         section, align to the common page size.
6738         (Output_segment::set_section_list_addresses): Add in_relro
6739         parameter.  Change all callers.  Align to the page size when
6740         moving from relro to non-relro section.
6741         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6742         segment.
6743         * output.h (class Output_section): Add is_relro_ and
6744         is_relro_local_ fields.
6745         (Output_section::is_relro): New function.
6746         (Output_section::set_is_relro): New function.
6747         (Output_section::is_relro_local): New function.
6748         (Output_section::set_is_relro_local): New function.
6749         (class Output_segment): Update declarations.
6750         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6751         * sparc.cc (Target_sparc::got_section): Likewise.
6752         * x86_64.cc (Target_x86_64::got_section): Likewise.
6753         * testsuite/relro_test_main.cc: New file.
6754         * testsuite/relro_test.cc: New file.
6755         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6756         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6757         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6758         (relro_test.so, relro_test_pic.o): New targets.
6759         * testsuite/Makefile.in: Rebuild.
6760
6761 2008-05-16  Ian Lance Taylor  <iant@google.com>
6762
6763         * output.cc (Output_segment::add_output_section): Remove front
6764         parameter.
6765         * output.h (class Output_segment): Remove
6766         add_initial_output_section and overloaded add_output_section.
6767         Update declaration of remaining add_output_section.
6768         * layout.cc (Layout::create_interp): Call add_output_section
6769         rather than add_initial_output_section.
6770         (Layout::finish_dynamic_section): Likewise.
6771
6772         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6773         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6774         know the dynamic type.
6775         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6776         field.  Initialize it in constructor.
6777         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6778         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6779         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6780         reloc.
6781
6782         * output.cc (Output_reloc::get_address): Change return type to
6783         Elf_Addr.
6784         * output.h (class Output_reloc): Update get_address declaration.
6785         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6786         for section addresses.
6787
6788 2008-05-09  Ian Lance Taylor  <iant@google.com>
6789
6790         PR 6493
6791         * gold.cc (gold_nomem): Use return value of write.
6792
6793 2008-05-08  Ian Lance Taylor  <iant@google.com>
6794
6795         * symtab.c (Symbol::init_base_output_data): Add version
6796         parameter.  Change all callers.
6797         (Symbol::init_base_output_segment): Likewise.
6798         (Symbol::init_base_constant): Likewise.
6799         (Symbol::init_base_undefined): Likewise.
6800         (Sized_symbol::init_output_data): Likewise.
6801         (Sized_symbol::init_output_segment): Likewise.
6802         (Sized_symbol::init_constant): Likewise.
6803         (Sized_symbol::init_undefined): Likewise.
6804         (Symbol_table::do_define_in_output_data): If the new symbol has a
6805         version, mark it as the default.
6806         (Symbol_table::do_define_in_output_segment): Likewise.
6807         (Symbol_table::do_define_as_constant): Likewise.
6808         * symtab.h (class Symbol): Update declarations.
6809         (class Sized_symbol): Likewise.
6810         * resolve.cc (Symbol::override_version): New function.
6811         (Symbol::override_base): Call override_version.
6812         (Symbol::override_base_with_special): Likewise.
6813         * testsuite/ver_script_8.script: New file.
6814         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6815         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6816         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6817         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6818
6819 2008-05-06  Ian Lance Taylor  <iant@google.com>
6820
6821         PR 6049
6822         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6823         functions.
6824         (class General_options): Remove existing --undefined, and add
6825         --no-undefined instead.  Add new --undefined as synonym for -u.
6826         * archive.cc (Archive::add_symbols): Check whether symbol was
6827         named with -u.
6828         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6829         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6830         all uses.  Add IS_UNDEFINED.  Update declarations to split
6831         different versions of init_base.  Declare init_base_undefined.
6832         (Symbol::is_defined): Handle IS_UNDEFINED.
6833         (Symbol::is_undefined): Likewise.
6834         (Symbol::is_weak_undefined): Call is_undefined.
6835         (Symbol::is_absolute): Handle IS_CONSTANT.
6836         (class Sized_symbol): Update declarations to split different
6837         versions of init.  Declare init_undefined.
6838         (class Symbol_table): Declare new functions.
6839         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6840         Change all callers.
6841         (Symbol::init_base_output_data): Likewise.
6842         (Symbol::init_base_output_segment): Likewise.
6843         (Symbol::init_base_constant): Likewise.
6844         (Symbol::init_base_undefined): New function.
6845         (Sized_symbol::init_object): Rename from init.  Change all
6846         callers.
6847         (Sized_symbol::init_output_data): Likewise.
6848         (Sized_symbol::init_output_segment): Likewise.
6849         (Sized_symbol::init_constant): Likewise.
6850         (Sized_symbol::init_undefined): New function.
6851         (Symbol_table::add_undefined_symbols_from_command_line): New
6852         function.
6853         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6854         function.
6855         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6856         (Symbol::output_section): Likewise.
6857         (Symbol::set_output_section): Likewise.
6858         (Symbol_table::sized_finalize_symbol): Likewise.
6859         (Symbol_table::sized_write_globals): Likewise.
6860         * resolve.cc (Symbol_table::should_override): Likewise.
6861         (Symbol::override_base_with_special): Likewise.
6862
6863         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6864         symbol, change it to have default visibility.
6865         * testsuite/protected_1.cc: New file.
6866         * testsuite/protected_2.cc: New file.
6867         * testsuite/protected_3.cc: New file.
6868         * testsuite/protected_main_1.cc: New file.
6869         * testsuite/protected_main_2.cc: New file.
6870         * testsuite/protected_main_3.cc: New file.
6871         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6872         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6873         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6874         (protected_1.so): New target.
6875         (protected_1_pic.o, protected_2_pic.o): New targets.
6876         (protected_3_pic.o): New target.
6877         (check_PROGRAMS): Add protected_2.
6878         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6879         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6880         * testsuite/Makefile.in: Rebuild.
6881
6882         * options.h (DEFINE_var): Add set_user_set_##varname__.
6883         (DEFINE_bool_alias): New macro.
6884         (class General_options): Define -Bstatic using DEFINE_bool_alias
6885         rather than DEFINE_special.  Add --undefined as an alias for -z
6886         defs.
6887         * options.cc (General_options::parse_Bstatic): Remove.
6888
6889         * options.h (class General_options): Add --fatal-warnings.
6890         * main.cc (main): Implement --fatal-warnings.
6891         * errors.h (Errors::warning_count): New function.
6892
6893         * options.h (class General_options): Add -Bsymbolic-functions.
6894         * symtab.h (Symbol::is_preemptible): Check for
6895         -Bsymbolic-functions.
6896
6897 2008-05-05  Ian Lance Taylor  <iant@google.com>
6898
6899         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6900         as noVARNAME rather than no-VARNAME.
6901         (class General_options): Add option -z combreloc.
6902         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6903         get_address.
6904         (Output_reloc::sort_before) [SHT_REL]: New function.
6905         (Output_reloc::sort_before) [SHT_RELA]: New function.
6906         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6907         Sort_relocs_comparison.
6908         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6909         parameter.  Change all callers.
6910         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6911         sort_relocs parameter.  Change all callers.
6912         * output.cc (Output_reloc::get_address): New function, broken out
6913         of write_rel.
6914         (Output_reloc::write_rel): Call it.
6915         (Output_reloc::compare): New function.
6916         (Output_data_reloc_base::do_write): Optionally sort relocs.
6917
6918         * configure.ac: If targ_extra_obj is set, link it in.
6919         * configure.tgt: Initialize all variables.
6920         (x86_64*): Set targ_extra_obj and targ_extra_size.
6921         * configure: Rebuild.
6922
6923         * object.cc (Sized_relobj::include_section_group): Adjust section
6924         indexes read from group data.  Build vector to pass to
6925         layout_group.
6926         * layout.cc (Layout::layout_group): Add flags and shndxes
6927         parameters.  Remove contents parameter.  Change caller.  Update
6928         explicit instantiations.
6929         * layout.h (class Layout): Update layout_group declaration.
6930         * output.cc (Output_data_group::Output_data_group): Add flags and
6931         input_shndxes parameters.  Remove contents parameter.  Change
6932         caller.
6933         (Output_data_group::do_write): Change input_sections_ to
6934         input_shndxes_.
6935         * output.h (class Output_data_group): Update constructor
6936         declaration.  Rename input_sections_ to input_shndxes_.
6937         * testsuite/many_sections_test.cc: Add template.
6938
6939 2008-04-30  Cary Coutant  <ccoutant@google.com>
6940
6941         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6942
6943         * layout.cc (Layout::include_section): Refactored check for debug
6944         info section.
6945         (Layout::add_comdat): Add new parameters.  Change type
6946         of signature parameter.  Add object and shndx to signatures table.
6947         (Layout::find_kept_object): New function.
6948         * layout.h: Include <cstring>.
6949         (Layout::is_debug_info_section): New function.
6950         (Layout::add_comdat): Add new parameters.
6951         (Layout::find_kept_object): New function.
6952         (Layout::Kept_section): New struct.
6953         (Layout::Signatures): Change type of map range.
6954         * object.cc (Relobj::output_section_address): New function.
6955         (Sized_relobj::include_section_group): Add new parameters.  Change
6956         calls to Layout::add_comdat.  Change to build table of kept comdat
6957         groups and table mapping discarded sections to kept sections.
6958         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6959         (Sized_relobj::do_layout): Change calls to include_section_group and
6960         include_linkonce_section.
6961         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6962         value to zero when section is discarded.
6963         (Sized_relobj::map_to_kept_section): New function.
6964         * object.h (Relobj::output_section_address): New function.
6965         (Relobj::Comdat_group): New type.
6966         (Relobj::find_comdat_group): New function.
6967         (Relobj::Comdat_group_table): New type.
6968         (Relobj::Kept_comdat_section): New type.
6969         (Relobj::Kept_comdat_section_table): New type.
6970         (Relobj::add_comdat_group): New function.
6971         (Relobj::set_kept_comdat_section): New function.
6972         (Relobj::get_kept_comdat_section): New function.
6973         (Relobj::comdat_groups_): New field.
6974         (Relobj::kept_comdat_sections_): New field.
6975         (Symbol_value::input_value): Update comment.
6976         (Sized_relobj::map_to_kept_section) New function.
6977         (Sized_relobj::include_linkonce_section): Add new parameter.
6978         * target-reloc.h (Comdat_behavior): New type.
6979         (get_comdat_behavior): New function.
6980         (relocate_section): Add code to map a discarded section to the
6981         corresponding kept section when applying a relocation.
6982
6983 2008-04-30  Craig Silverstein  <csilvers@google.com>
6984
6985         * dwarf_reader.cc (next_generation_count): New static var.
6986         (Addr2line_cache_entry): New struct.
6987         (addr2line_cache): New static var.
6988         (Dwarf_line_info::one_addr2line): Added caching.
6989         (Dwarf_line_info::clear_addr2line_cache): New function.
6990         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6991         cache-size parameter.
6992         (Dwarf_line_info::one_addr2line_cache): New function.
6993         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6994         new cache-size argument to one_addr2line(), and clear cache.
6995
6996 2008-04-28  Cary Coutant  <ccoutant@google.com>
6997
6998         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6999         R_386_PC8 relocations.
7000
7001 2008-04-23  Ian Lance Taylor  <iant@google.com>
7002
7003         * object.cc (Sized_relobj::include_section_group): Check for
7004         invalid section group.
7005
7006         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7007         header size.
7008
7009         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7010         than read for file header.
7011         * archive.cc (Archive::include_member): Likewise.
7012
7013 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7014
7015         * aclocal.m4: Regenerate.
7016         * configure: Regenerate.
7017
7018 2008-04-19  Ian Lance Taylor  <iant@google.com>
7019
7020         * version.cc (version_string): Bump to 1.6.
7021
7022         * testsuite/Makefile.am (many_sections_r_test): New target.
7023         (many_sections_r_test_SOURCES): Remove.
7024         (many_sections_r_test_DEPENDENCIES): Remove.
7025         (many_sections_r_test_LDFLAGS): Remove.
7026         (many_sections_r_test_LDADD): Remove.
7027
7028         * object.cc (Sized_relobj::do_add_symbols): Always pass
7029         local_symbol_count_ to add_from_relobj.
7030
7031         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7032         every thousand variables.
7033         * testsuite/Makefile.in: Rebuild.
7034
7035         * object.cc (Xindex::initialize_symtab_xindex): New function.
7036         (Xindex::read_symtab_xindex): New function.
7037         (Xindex::sym_xindex_to_shndx): New function.
7038         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7039         available.
7040         (Sized_relobj::do_initialize_xindex): New function.
7041         (Sized_relobj::do_read_symbols): Adjust section links.
7042         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7043         parameter.  Change all callers.
7044         (Sized_relobj::include_section_group): Adjust section links and
7045         symbol section indexes.
7046         (Sized_relobj::do_layout): Adjust section links.
7047         (Sized_relobj::do_count_local_symbols): Adjust section links and
7048         symbol section indexes.
7049         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7050         ordinary and special symbols.
7051         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7052         dynsym_xindex parameters.  Change all callers.  Adjust section
7053         links.  Use SHN_XINDEX when needed.
7054         (Sized_relobj::get_symbol_location_info): Adjust section links.
7055         Don't get fooled by special symbols.
7056         * object.h (class Xindex): Define.
7057         (class Object): Add xindex_ parameter.  Declare virtual functoin
7058         do_initialize_xindex.
7059         (Object::adjust_sym_shndx): New function.
7060         (Object::set_xindex): New protected function.
7061         (class Symbol_value): Add is_ordinary_shndx_ field.
7062         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7063         (Symbol_value::value): Assert ordinary section.
7064         (Symbol_value::initialize_input_to_output_map): Likewise.
7065         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7066         Change all callers.
7067         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7068         all callers.
7069         (class Sized_relobj): Update declarations.
7070         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7071         parameter.  Change all callers.
7072         (Sized_relobj::adjust_shndx): New function.
7073         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7074         field.
7075         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7076         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7077         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7078         (Sized_dynobj::read_dynsym_section): Adjust section links.
7079         (Sized_dynobj::read_dynamic): Likewise.
7080         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7081         section links.
7082         (Sized_dynobj::do_initialize_xindex): New function.
7083         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7084         do_initialize_xindex.
7085         (Sized_dynobj::adjust_shndx): New function.
7086         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7087         dynsym_xindex_ fields.
7088         (Layout::finalize): Add a call to set_section_indexes before
7089         creating the symtab sections.
7090         (Layout::set_section_indexes): Don't do anything if the section
7091         already has a section index.
7092         (Layout::create_symtab_sections): Add shnum parameter.  Change
7093         caller.  Create .symtab_shndx section if needed.
7094         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7095         caller.
7096         (Layout::allocated_output_section_count): New function.
7097         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7098         needed.
7099         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7100         fields.  Update declarations.
7101         (Layout::symtab_xindex): New function.
7102         (Layout::dynsym_xindex): New function.
7103         (class Write_symbols_task): Add layout_ field.
7104         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7105         Change caller.
7106         * output.cc (Output_section_headers::Output_section_headers): Add
7107         shstrtab_section parameter.  Change all callers.
7108         (Output_section_headers::do_sized_write): Store overflow values
7109         for section count and section string table section index in
7110         section header zero.
7111         (Output_file_header::do_sized_write): Check for overflow of
7112         section count and section string table section index.
7113         (Output_symtab_xindex::do_write): New function.
7114         (Output_symtab_xindex::endian_do_write): New function.
7115         * output.h (class Output_section_headers): Add shstrtab_section_.
7116         Update declarations.
7117         (class Output_symtab_xindex): Define.
7118         (Output_section::has_out_shndx): New function.
7119         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7120         field.
7121         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7122         Change all callers.
7123         (Sized_symbol::init): Likewise.
7124         (Symbol::output_section): Check for ordinary symbol.
7125         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7126         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7127         callers.
7128         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7129         Change all callers.  Simplify handling of symbols from sections
7130         not included in the link.
7131         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7132         distinction.
7133         (Weak_alias_sorter::operator()): Assert that symbols are
7134         ordinary.
7135         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7136         distinction.
7137         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7138         parameters.  Change all callers.
7139         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7140         symbol distinction.  Use SHN_XINDEX when needed.
7141         (Symbol_table::write_section_symbol): Add symtab_xindex
7142         parameter.  Change all callers.
7143         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7144         SHN_XINDEX when needed.
7145         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7146         declarations.
7147         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7148         (Symbol::is_defined): Check is_ordinary.
7149         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7150         (Symbol::is_absolute, Symbol::is_common): Likewise.
7151         (class Sized_symbol): Update declarations.
7152         (class Symbol_table): Update declarations.
7153         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7154         parameters.  Change all callers.
7155         (Sized_symbol::override): Likewise.
7156         (Symbol_table::override): Likewise.
7157         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7158         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7159         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7160         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7161         to be in an ordinary section.
7162         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7163         object and is_ordinary parameters.  Change all callers.
7164         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7165         Change all callers.  Don't add undefined or non-ordinary symbols
7166         to reloc_map_.
7167         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7168         Change all callers.
7169         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7170         declarations.
7171         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7172         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7173         (Sized_relobj::relocate_sections): Likewise.
7174         * target-reloc.h (scan_relocs): Adjust section symbol index.
7175         (scan_relocatable_relocs): Likewise.
7176         * i386.cc (Scan::local): Check for ordinary symbols.
7177         * sparc.cc (Scan::local): Likewise.
7178         * x86_64.cc (Scan::local): Likewise.
7179         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7180         to symbol_section_and_value.
7181         * testsuite/many_sections_test.cc: New file.
7182         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7183         (check_PROGRAMS): Add many_sections_test.
7184         (many_sections_test_SOURCES): Define.
7185         (many_sections_test_DEPENDENCIES): Define.
7186         (many_sections_test_LDFLAGS): Define.
7187         (BUILT_SOURCES): Add many_sections_define.h.
7188         (many_sections_define.h): New target.
7189         (BUILT_SOURCES): Add many_sections_check.h.
7190         (many_sections_check.h): New target.
7191         (check_PROGRAMS): Add many_sections_r_test.
7192         (many_sections_r_test_SOURCES): Define.
7193         (many_sections_r_test_DEPENDENCIES): Define.
7194         (many_sections_r_test_LDFLAGS): Define.
7195         (many_sections_r_test_LDADD): Define.
7196         (many_sections_r_test.o): New target.
7197         * testsuite/Makefile.in: Rebuild.
7198
7199 2008-04-17  Cary Coutant  <ccoutant@google.com>
7200
7201         * errors.cc (Errors::info): New function.
7202         (gold_info): New function.
7203         * errors.h (Errors::info): New function.
7204         * gold.h (gold_info): New function.
7205         * object.cc (Input_objects::add_object): Print trace output.
7206         * options.cc (options::parse_set): New function.
7207         (General_options::parse_wrap): Deleted.
7208         (General_options::General_options): Deleted initializer.
7209         * options.h (options::String_set): New typedef.
7210         (options::parse_set): New function.
7211         (DEFINE_set): New macro.
7212         (General_options::wrap): Changed to use DEFINE_set. Changed
7213         callers of any_wrap_symbols and is_wrap_symbol.
7214         (General_options::trace, General_options::trace_symbol):
7215         New options.
7216         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7217         (General_options::wrap_symbols_): Deleted.
7218         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7219
7220 2008-04-17  David S. Miller  <davem@davemloft.net>
7221
7222         * options.cc (General_options::parse_V): New function.
7223         * options.h: Add entries for -V and -Qy.
7224
7225 2008-04-17  Ian Lance Taylor  <iant@google.com>
7226
7227         * common.cc (Symbol_table::allocate_commons): Remove options
7228         parameter.  Change caller.
7229         (Symbol_table::do_allocate_commons): Remove options parameter.
7230         Change caller.  Just call do_allocate_commons_list twice.
7231         (Symbol_table::do_allocate_commons_list): New function, broken out
7232         of do_allocate_commons.
7233         * common.h (class Allocate_commons_task): Remove options_ field.
7234         Update constructor.
7235         * symtab.cc (Symbol_table::Symbol_table): Initialize
7236         tls_commons_.
7237         (Symbol_table::add_from_object): Put TLS common symbols on
7238         tls_commons_ list.
7239         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7240         which are IN_OUTPUT_DATA.
7241         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7242         allocate_commons and do_allocate_commons declarations.  Declare
7243         do_allocate_commons_list.
7244         * gold.cc (queue_middle_tasks): Update creation of
7245         Allocate_commons_task to not pass options.
7246         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7247         (TLS_TEST_C_FLAGS): New variable.
7248         (tls_test_c_pic.o): New target.
7249         (tls_test_shared.so): Link in tls_test_c_pic.o.
7250         (tls_test_c_pic_ie.o): New target.
7251         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7252         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7253         (tls_test_c.o): New target.
7254         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7255         (tls_pic_test_LDADD): Likewise.
7256         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7257         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7258         (tls_test_c_gnu2.o): New target.
7259         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7260         tls_test_c_gnu2.o.
7261         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7262         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7263         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7264         * testsuite/tls_test.cc: Include "config.h".
7265         (t_last): Call t11_last.
7266         * testsuite/tls_test.h (t11, t11_last): Declare.
7267         * testsuite/tls_test_c.c: New file.
7268         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7269         * configure.ac: Check for OpenMP support.
7270         * configure, config.in, Makefile.in: Rebuild.
7271         * testsuite/Makefile.in: Rebuild.
7272
7273 2008-04-16  Cary Coutant  <ccoutant@google.com>
7274
7275         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7276         (Target_i386::tls_base_symbol_defined_): New field.
7277         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7278         (Target_i386::Scan::global): Likewise.
7279         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7280         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7281         (Target_x86_64::tls_base_symbol_defined_): New field.
7282         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7283         (Target_x86_64::Scan::global): Likewise.
7284
7285 2008-04-16  Cary Coutant  <ccoutant@google.com>
7286
7287         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7288         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7289         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7290         building shared libraries.
7291         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7292         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7293         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7294         * testsuite/Makefile.in: Rebuild.
7295         * testsuite/weak_undef.h: New file.
7296         * testsuite/weak_undef_file1.cc: Add extra test cases.
7297         * testsuite/weak_undef_file2.cc: Likewise.
7298         * testsuite/weak_undef_test.cc: Likewise.
7299
7300 2008-04-16  David S. Miller  <davem@davemloft.net>
7301
7302         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7303         Add issued_non_pic_error_ field.  Declare check_non_pic.
7304         (Target_sparc::Scan::check_non_pic): New function.
7305         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7306         (Target_sparc::Scan::global): Likewise.
7307
7308         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7309         * configure: Rebuild.
7310
7311         * options.h (DEFINE_enable): New macro.
7312         (new_dtags): New enable option.
7313         (initfirst, interpose, loadfltr, nodefaultlib,
7314         nodelete, nodlopen, nodump): New -z options.
7315         * layout.cc (Layout:finish_dynamic_section): If new
7316         dtags enabled, emit DT_RUNPATH.  Also, emit a
7317         DT_FLAGS_1 containing any specified -z flags.
7318
7319 2008-04-16  Ian Lance Taylor  <iant@google.com>
7320
7321         * copy-relocs.cc: New file.
7322         * copy-relocs.h: New file.
7323         * reloc.cc: Remove Copy_relocs code.
7324         * reloc.h: Likewise.
7325         * reloc-types.h (struct Reloc_types) [both versions]: Add
7326         get_reloc_addend_noerror.
7327         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7328         variants of add_global which take an addend which must be zero.
7329         * i386.cc: Include "copy-relocs.h".
7330         (class Target_i386): Change type of copy_relocs_ to variable,
7331         update initializer.
7332         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7333         Change all callers.
7334         (Target_i386::do_finalize_sections): Change handling of
7335         copy_relocs_.
7336         * sparc.cc: Include "copy-relocs.h".
7337         (class Target_sparc): Change type of copy_relocs_ to variable,
7338         update initializer.
7339         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7340         Change all callers.
7341         (Target_sparc::do_finalize_sections): Change handling of
7342         copy_relocs_.
7343         * x86_64.cc: Include "copy-relocs.h".
7344         (class Target_x86_64): Change type of copy_relocs_ to variable,
7345         update initializer.
7346         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7347         class.  Change all callers.
7348         (Target_x86_64::do_finalize_sections): Change handling of
7349         copy_relocs_.
7350         * Makefile.am (CCFILES): Add copy-relocs.cc.
7351         (HFILES): Add copy-relocs.h.
7352
7353         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7354
7355         * testsuite/script_test_4.sh: Permit leading zeroes.
7356
7357 2008-04-15  Ian Lance Taylor  <iant@google.com>
7358
7359         * script-sections.cc (Script_sections::create_segments): Use
7360         header_size_adjustment even when there is enough room for the
7361         headers.
7362         * testsuite/script_test_4.sh: New file.
7363         * testsuite/script_test_4.t: New file.
7364         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7365         (check_DATA): Add script_test_4.stdout.
7366         (MOSTLYCLEANFILES): Likewise.
7367         (script_test_4): New target.
7368         (script_test_4.stdout): New target.
7369         * testsuite/Makefile.in: Rebuild.
7370
7371         * sparc.cc: Add definitions for Output_data_plt_sparc class
7372         constants.
7373
7374 2008-04-14  David S. Miller  <davem@davemloft.net>
7375
7376         * sparc.cc: New file.
7377         * Makefile.am (TARGETSOURCES): Add sparc.cc
7378         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7379         * configure.tgt: Document targ_extra_size and
7380         targ_extra_big_endian.  Add entries for sparc-* and
7381         sparc64-*.
7382         * configure.ac: Handle targ_extra_size and
7383         targ_extra_big_endian.
7384         * Makefile.in: Rebuild.
7385         * configure: Likewise.
7386         * po/POTFILES.in: Likewise.
7387         * po/gold.pot: Likewise.
7388
7389 2008-04-14  Ian Lance Taylor  <iant@google.com>
7390
7391         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7392         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7393         in the name/type/flags to section mapping.  Don't call
7394         allocate_output_section.
7395         (Layout::choose_output_section): Change parameter from adjust_name
7396         to is_input_section.  Don't permit input sections after sections
7397         are attached to segments.  Don't call allocate_output_section.
7398         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7399         not write_enable_output_section.
7400         (Layout::make_output_section): Don't push to
7401         unattached_section_list_ nor call attach_to_segment.  Call
7402         attach_section_to_segment if sections are attached.
7403         (Layout::attach_sections_to_segments): New function.
7404         (Layout::attach_section_to_segment): New function.
7405         (Layout::attach_allocated_section_to_segment): Rename from
7406         attach_to_segment.  Remove flags parameter.
7407         (Layout::allocate_output_section): Remove function.
7408         (Layout::write_enable_output_section): Remove function.
7409         * layout.h (class Layout): Update for above changes.  Add new
7410         field sections_are_attached_.
7411         * output.h (Output_section::update_flags_for_input_section): New
7412         function.
7413         * output.cc (Output_section::add_input_section): Call
7414         update_flags_for_input_section.
7415         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7416
7417 2008-04-11  Cary Coutant  <ccoutant@google.com>
7418
7419         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7420         thought unnecessary.
7421         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7422
7423 2008-04-11  Ian Lance Taylor  <iant@google.com>
7424
7425         * output.h (class Output_section_data): Remove inline definition
7426         of set_addralign.
7427         * output.cc (Output_section_data::set_addralign): New function.
7428
7429 2008-04-11  Cary Coutant  <ccoutant@google.com>
7430
7431         Add support for TLS descriptors for i386 and x86_64.
7432         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7433         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7434         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7435         GOT_TYPE_TLS_DESC.
7436         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7437         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7438         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7439         relocations.
7440         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7441         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7442         Fix problem with initial-exec relocations.
7443         (Target_i386::Relocate::relocate_tls): Likewise.
7444         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7445         relaxation.
7446         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7447         support for section-plus-offset dynamic table entries.
7448         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7449         (Output_data_dynamic::Dynamic_entry): Add support for
7450         section-plus-offset dynamic table entries.
7451         (Output_data_dynamic::Classification): Likewise.
7452         (Output_data_dynamic::classification_): Renamed offset_.
7453         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7454         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7455         (Target_x86_64::make_plt_section): New function.
7456         (Target_x86_64::reserve_tlsdesc_entries): New function.
7457         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7458         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7459         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7460         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7461         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7462         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7463         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7464         add extra PLT entry for TLS descriptors.
7465         (Output_data_plt_x86_64::got_): New field.
7466         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7467         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7468         fields.
7469         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7470         descriptors.
7471         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7472         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7473         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7474         R_386_TLS_DESC_CALL relocations.
7475         (Target_x86_64::Scan::global): Likewise.
7476         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7477         for TLS descriptors.
7478         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7479         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7480         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7481         GD-to-IE relaxation.
7482         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7483         and TLS_DESCRIPTORS.
7484         * Makefile.in: Rebuild.
7485         * configure: Rebuild.
7486         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7487         (tls_test_shared2.so): New target.
7488         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7489         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7490         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7491         (tls_shared_gd_to_ie_test_LDADD): New variable.
7492         (tls_shared_gnu2_gd_to_ie_test): New target.
7493         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7494         New targets.
7495         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7496         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7497         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7498         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7499         (tls_shared_gnu2_test): New target.
7500         (tls_test_gnu2_shared.so): New target.
7501         (tls_shared_gnu2_test_SOURCES): New variable.
7502         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7503         (tls_shared_gnu2_test_LDFLAGS): New variable.
7504         (tls_shared_gnu2_test_LDADD): New variable.
7505         * testsuite/Makefile.in: Rebuild.
7506         * testsuite/Makefile.
7507
7508 2008-04-11  Ian Lance Taylor  <iant@google.com>
7509
7510         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7511         justsyms.t.
7512         * testsuite/Makefile.in: Rebuild.
7513
7514         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7515         long.
7516         * testsuite/script_test_2.cc (main): Adjust test.
7517
7518 2008-04-11  David S. Miller  <davem@davemloft.net>
7519             Ian Lance Taylor  <iant@google.com>
7520
7521         * options.h (General_options): Add entries for '-Y' and
7522         '-relax'.
7523         * options.cc (General_options:finalize): If -Y was used, add those
7524         entries to the library path instead of the default "/lib" and
7525         "/usr/lib".
7526
7527 2008-04-11  David S. Miller  <davem@davemloft.net>
7528
7529         * testsuite/justsyms.t: Start at 0x100.
7530         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7531         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7532         long.
7533         * testsuite/script_test_2.cc: Adjust string and section length
7534         checks.
7535
7536 2008-04-09  Ian Lance Taylor  <iant@google.com>
7537
7538         PR gold/5996
7539         * script-sections.cc (Sections_element::allocate_to_segment): Add
7540         orphan parameter.
7541         (Output_section_definition::allocate_to_segment): Likewise.
7542         (Orphan_output_section::allocate_to_segment): Likewise.
7543         (Script_sections::attach_sections_using_phdrs_clause): Don't
7544         propagate non-PT_LOAD segments to orphan sections.
7545         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7546         readelf rather than objdump.
7547         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7548         .interp section and PT_INTERP segment are the same size.
7549         * testsuite/Makefile.in: Rebuild.
7550
7551         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7552         aliases for symbols defined in the same object.
7553         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7554         (weak_alias_test_SOURCES): New variable.
7555         (weak_alias_test_DEPENDENCIES): New variable.
7556         (weak_alias_test_LDFLAGS): New variable.
7557         (weak_alias_test_LDADD): New variable.
7558         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7559         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7560         (weak_alias_test_3.o): New target.
7561         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7562         * testsuite/weak_alias_test_main.cc: New file.
7563         * testsuite/weak_alias_test_1.cc: New file.
7564         * testsuite/weak_alias_test_2.cc: New file.
7565         * testsuite/weak_alias_test_3.cc: New file.
7566
7567 2008-04-08  Ian Lance Taylor  <iant@google.com>
7568
7569         * options.h (class General_options): Add --noinhibit-exec option.
7570         * main.cc (main): Check --noinhibit-exec.
7571
7572         * options.h (class General_options): Define --wrap as a special
7573         option.  Add wrap_symbols_ field.
7574         (General_options::any_wrap_symbols): New function.
7575         (General_options::is_wrap_symbol): New function.
7576         * options.cc (General_options::parse_wrap): New function.
7577         (General_options::General_options): Initialize wrap_symbols_.
7578         * symtab.cc (Symbol_table::wrap_symbol): New function.
7579         (Symbol_table::add_from_object): Handle --wrap.
7580         * symtab.h (class Symbol_table): Declare wrap_symbol.
7581         * target.h (Target::wrap_char): New function.
7582         (Target::Target_info): Add wrap_char field.
7583         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7584         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7585         * testsuite/testfile.cc (Target_test::test_target_info):
7586         Likewise.
7587
7588         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7589         there is one.
7590
7591         * layout.h (class Layout): Add added_eh_frame_data_ field.
7592         * layout.cc (Layout::Layout): Initialize new field.
7593         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7594         output section until we find a section we merged successfully.
7595         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7596         that the size be non-zero.
7597
7598         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7599         qualifier.
7600
7601 2008-04-08  Craig Silverstein  <csilvers@google.com>
7602
7603         * configure.ac: Export new conditional variable HAVE_ZLIB.
7604         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7605         on HAVE_ZLIB.
7606         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7607         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7608
7609 2008-04-07  Ian Lance Taylor  <iant@google.com>
7610
7611         * version.cc (version_string): Set to "1.5".
7612
7613         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7614         Add issued_non_pic_error_ field.  Declare check_non_pic.
7615         (Target_x86_64::Scan::check_non_pic): New function.
7616         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7617         (Target_x86_64::Scan::global): Likewise.
7618
7619         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7620         addend parameter.  Change caller.  Handle merge sections.
7621         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7622         Address to Addend.  Don't add in the result of
7623         local_section_offset, pass down the addend and use the returned
7624         value.
7625         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7626         Update declarations of local_section_offset and symbol_value.
7627         * testsuite/two_file_test_1.cc (t18): New function.
7628         * testsuite/two_file_test_2.cc (f18): New function.
7629         * testsuite/two_file_test_main.cc (main): Call t18.
7630         * testsuite/two_file_test.h (t18, f18): Declare.
7631
7632         * configure.ac: Don't test for objdump, c++filt, or readelf.
7633         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7634         conditionals.
7635         (TEST_READELF): New variable.
7636         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7637         (check_PROGRAMS): Add two_file_strip_test.
7638         (two_file_strip_test): New target.
7639         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7640         (two_file_same_shared_strip_test_SOURCES): New variable.
7641         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7642         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7643         (two_file_same_shared_strip_test_LDADD): New variable.
7644         (two_file_shared_strip.so): New target.
7645         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7646         (ver_test_5.syms, ver_test_7.syms): Likewise.
7647         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7648         (strip_test_3.stdout): Use TEST_OBJDUMP.
7649         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7650
7651 2008-04-04  Cary Coutant  <ccoutant@google.com>
7652
7653         * symtab.h (Symbol::is_weak_undefined): New function.
7654         (Symbol::is_strong_undefined): New function.
7655         (Symbol::is_absolute): New function.
7656         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7657         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7658         absolute symbols.
7659         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7660         (weak_undef_test): New target.
7661         * testsuite/Makefile.in: Rebuild.
7662         * testsuite/weak_undef_file1.cc: New file.
7663         * testsuite/weak_undef_file2.cc: New file.
7664         * testsuite/weak_undef_test.cc: New file.
7665
7666 2008-04-03  Craig Silverstein  <csilvers@google.com>
7667
7668         * compressed_output.h (class Output_compressed_section): Use
7669         unsigned buffer.
7670         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7671         add zlib header.
7672         (zlib_compressed_suffix): Removed.
7673         (Output_compressed_section::set_final_data_size): Use unsigned
7674         buffers.
7675         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7676         Fix linker invocation.
7677         (flagstest_o_specialfile_and_compress_debug_sections):
7678         Likewise.
7679         * testsuite/Makefile.in: Regenerated.
7680
7681 2008-04-02  David S. Miller  <davem@davemloft.net>
7682
7683         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7684         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7685
7686 2008-04-02  Craig Silverstein  <csilvers@google.com>
7687
7688         * TODO: New file.
7689
7690 2008-04-02  Ian Lance Taylor  <iant@google.com>
7691
7692         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7693         parameters.  Update for new key type to views_.  Change all
7694         callers.
7695         (File_read::read): Adjust for byteshift in returned view.
7696         (File_read::add_view): New function, broken out of
7697         find_and_make_view.
7698         (File_read::make_view): New function, broken out of
7699         find_and_make_view.
7700         (File_read::find_or_make_view): Add offset and aligned
7701         parameters.  Rewrite accordingly.  Change all callers.
7702         (File_read::get_view): Add offset and aligned parameters.  Adjust
7703         for byteshift in return value.
7704         (File_read::get_lasting_view): Likewise.
7705         * fileread.h (class File_read): Update declarations.
7706         (class File_read::View): Add byteshift_ field.  Add byteshift to
7707         constructor.  Add byteshift method.
7708         * archive.h (Archive::clear_uncached_views): New function.
7709         (Archive::get_view): Add aligned parameter.  Change all callers.
7710         * object.h (Object::get_view): Add aligned parameter.  Change all
7711         callers.
7712         (Object::get_lasting_view): Likewise.
7713
7714         * fileread.cc (File_read::release): Don't call clear_views if
7715         there are multiple objects.
7716         * fileread.h (File_read::clear_uncached_views): New function.
7717         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7718         on the archive.
7719
7720 2008-03-31  Cary Coutant  <ccoutant@google.com>
7721
7722         Add thin archive support.
7723         * archive.cc (Archive::armagt): New const.
7724         (Archive::setup): Remove task parameter and calls to unlock.
7725         (Archive::unlock_nested_archives): New function.
7726         (Archive::read_header): Add nested_off parameter. Change
7727         all callers.
7728         (Archive::interpret_header): Likewise.
7729         (Archive::include_all_members): Change to handle thin
7730         archives.
7731         (Archive::include_member): Likewise.
7732         * archive.h (Archive::Archive): Add new parameters and
7733         initializers.
7734         (Archive::armagt): New const.
7735         (Archive::setup): Remove task parameter.
7736         (Archive::unlock_nested_archives): New function.
7737         (Archive::read_header): Add nested_off parameter.
7738         (Archive::interpret_header): Likewise.
7739         (Archive::Nested_archive_table): New typedef.
7740         (Archive::is_thin_archive_): New field.
7741         (Archive::nested_archives_): New field.
7742         (Archive::options_): New field.
7743         (Archive::dirpath_): New field.
7744         (Archive::task_): New field.
7745         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7746         for thin archives.  Pass additional parameters to
7747         Archive::Archive.  Unlock the archive file after calling
7748         Archive::setup.
7749
7750 2008-03-29  Ian Lance Taylor  <iant@google.com>
7751
7752         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7753         version symbol to be local.
7754         * testsuite/ver_test_4.sh: New file.
7755         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7756         (check_DATA): Add ver_test_4.syms.
7757         (ver_test_4.syms): New target.
7758         * testsuite/Makefile.in: Rebuild.
7759
7760         * output.cc
7761         (Output_section::Input_section_sort_entry::has_priority): New
7762         function.
7763         (Output_section::Input_section_sort_entry::match_file_name): New
7764         function.
7765         (Output_section::Input_section_sort_entry::match_section_name):
7766         Remove.
7767         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7768         Remove.
7769         (Output_section::Input_section_sort_entry::match_section_file):
7770         Remove.
7771         (Output_section::Input_section_sort_compare::operator()): Rewrite
7772         using new Input_section_sort_entry functions.  Sort crtbegin and
7773         crtend first.  Sort sections with no priority before sections with
7774         a priority.
7775         * testsuite/initpri1.c (d3): Check j != 4.
7776         (cd5): New constructor/destructor function.
7777         (main): Check j != 2.
7778
7779         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7780         new symbol when resolving, don't call set_is_default.
7781         * testsuite/ver_test_7.cc: New file.
7782         * testsuite/ver_test_7.sh: New file.
7783         * testsuite/Makefile.am (ver_test_7.so): New target.
7784         (ver_test_7.o): New target.
7785         (check_SCRIPTS): Add ver_test_7.sh.
7786         (check_DATA): Add ver_test_7.syms.
7787         (ver_test_7.syms): New target.
7788
7789 2008-03-28  Ian Lance Taylor  <iant@google.com>
7790
7791         * layout.cc (Layout::layout): If we see an input section with a
7792         name that needs sorting, set the must_sort flag for the output
7793         section.
7794         (Layout::make_output_section): If the name of the output section
7795         indicates that it might require sorting, set the may_sort flag.
7796         * output.h (Output_section::may_sort_attached_input_sections): New
7797         function.
7798         (Output_section::set_may_sort_attached_input_sections): New
7799         function.
7800         (Output_section::must_sort_attached_input_sections): New
7801         function.
7802         (Output_section::set_must_sort_attached_input_sections): New
7803         function.
7804         (class Output_section): Declare Input_section_sort_entry.  Define
7805         Input_section_sort_compare.  Declare
7806         sort_attached_input_sections.  Add new fields:
7807         may_sort_attached_input_sections_,
7808         must_sort_attached_input_sections_,
7809         attached_input_sections_are_sorted_.
7810         * output.cc (Output_section::Output_section): Initialize new
7811         fields.
7812         (Output_section::add_input_section): Add an entry to
7813         input_sections_ if may_sort or must_sort are true.
7814         (Output_section::set_final_data_size): Call
7815         sort_attached_input_sections if necessary.
7816         (Output_section::Input_section_sort_entry): Define new class.
7817         (Output_section::Input_section_sort_compare::operator()): New
7818         function.
7819         (Output_section::sort_attached_input_sections): New function.
7820         * configure.ac: Check whether the compiler supports constructor
7821         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7822         * testsuite/initpri1.c: New file.
7823         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7824         CONSTRUCTOR_PRIORITY.
7825         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7826         (initpri1_LDFLAGS): New variable.
7827         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7828
7829 2008-03-27  Ian Lance Taylor  <iant@google.com>
7830
7831         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7832         * testsuite/common_test_1.c: New file.
7833         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7834         (common_test_1_SOURCES): New variable.
7835         (common_test_1_DEPENDENCIES): New variable.
7836         (common_test_1_LDFLAGS): New variable.
7837
7838         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7839         and commons_ correctly when NAME/VERSION does not override
7840         NAME/NULL.
7841         * testsuite/ver_test_6.c: New file.
7842         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7843         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7844         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7845
7846 2008-03-26  Ian Lance Taylor  <iant@google.com>
7847
7848         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7849         of an undefined symbol from a version script.
7850         * testsuite/Makefile.am (ver_test_5.so): New target.
7851         (ver_test_5.o): New target.
7852         (check_SCRIPTS): Add ver_test_5.sh.
7853         (check_DATA): Add ver_test_5.syms.
7854         (ver_test_5.syms): New target.
7855         * testsuite/ver_test_5.cc: New file.
7856         * testsuite/ver_test_5.script: New file.
7857         * testsuite/ver_test_5.sh: New file.
7858         * Makefile.in, testsuite/Makefile.in: Rebuild.
7859
7860         PR gold/5986
7861         Fix problems building gold with gcc 4.3.0.
7862         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7863         (gold_error_at_location, gold_warning_at_location): Use it.
7864         * configure.ac: Check whether we can compile and use a template
7865         function with a printf attribute.
7866         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7867         when jumping over bytes.
7868         * object.cc: Instantiate Object::read_section_data.
7869         * debug.h: Include <cstring>
7870         * dwarf_reader.cc: Include <algorithm>
7871         * main.cc: Include <cstring>.
7872         * options.cc: Include <cstring>.
7873         * output.cc: Include <cstring>.
7874         * script.cc: Include <cstring>.
7875         * script.h: Include <string>.
7876         * symtab.cc: Include <cstring> and <algorithm>.
7877         * target-select.cc: Include <cstring>.
7878         * version.cc: Include <string>.
7879         * testsuite/testmain.cc: Include <cstdlib>.
7880         * configure, config.in: Rebuild.
7881
7882 2008-03-25  Ian Lance Taylor  <iant@google.com>
7883
7884         * options.cc: Include "../bfd/bfdver.h".
7885         (options::help): Print bug reporting address.
7886
7887         * version.cc (print_version): Adjust output for current value of
7888         BFD_VERSION_STRING.
7889
7890         * NEWS: New file.
7891
7892         * options.cc (options::help): Print list of supported targets.
7893         * target-select.h: Include <vector>.
7894         (class Target_selector): Make machine_, size_, and is_big_endian_
7895         fields const.  Add bfd_name_ and instantiated_target_ fields.
7896         (Target_selector::Target_selector): Add bfd_name parameter.
7897         (Target_selector::recognize): Make non-virtual, call
7898         do_recognize.
7899         (Target_selector::recognize_by_name): Make non-virtual, call
7900         do_recognize_by_name.
7901         (Target_selector::supported_names): New function.
7902         (Target_selector::bfd_name): New function.
7903         (Target_selector::do_instantiate_target): New pure virtual
7904         function.
7905         (Target_selector::do_recognize): New virtual function.
7906         (Target_selector::do_recognize_by_name): New virtual function.
7907         (Target_selector::instantiate_target): New private function.
7908         (supported_target_names): Declare.
7909         * target-select.cc (Target_selector::Target_selector): Update for
7910         new parameter and fields.
7911         (select_target_by_name): Check that the name matches before
7912         calling recognize_by_name.
7913         (supported_target_names): New function.
7914         * i386.cc (class Target_selector_i386): Update Target_selector
7915         constructor call.  Remove recognize and recognize_by_name.  Add
7916         do_instantiate_target.
7917         * x86_64.cc (class Target_selector_x86_64): Likewise.
7918         * testsuite/testfile.cc (class Target_selector_test): Update for
7919         changes to Target_selector.
7920
7921         * README: Rewrite, with some notes on unsupported features.
7922
7923 2008-03-24  Cary Coutant  <ccoutant@google.com>
7924
7925         * i386.cc (Target_i386::Got_type): New enum declaration.
7926         (Target_i386::Scan::local): Updated callers of Output_data_got
7927         member functions.
7928         (Target_i386::Scan::global): Likewise.
7929         (Target_i386::Relocate::relocate): Likewise.
7930         (Target_i386::Relocate::relocate_tls): Likewise.
7931         * object.h (Got_offset_list): New class.
7932         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7933         (Sized_relobj::local_got_offset): Likewise.
7934         (Sized_relobj::set_local_got_offset): Likewise.
7935         (Sized_relobj::local_has_tls_got_offset): Removed.
7936         (Sized_relobj::local_tls_got_offset): Removed.
7937         (Sized_relobj::set_local_tls_got_offset): Removed.
7938         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7939         * output.cc (Output_data_got::add_global): Added got_type parameter.
7940         (Output_data_got::add_global_with_rel): Likewise.
7941         (Output_data_got::add_global_with_rela): Likewise.
7942         (Output_data_got::add_global_pair_with_rel): New function.
7943         (Output_data_got::add_global_pair_with_rela): New function.
7944         (Output_data_got::add_local): Added got_type parameter.
7945         (Output_data_got::add_local_with_rel): Likewise.
7946         (Output_data_got::add_local_with_rela): Likewise.
7947         (Output_data_got::add_local_pair_with_rel): New function.
7948         (Output_data_got::add_local_pair_with_rela): New function.
7949         (Output_data_got::add_global_tls): Removed.
7950         (Output_data_got::add_global_tls_with_rel): Removed.
7951         (Output_data_got::add_global_tls_with_rela): Removed.
7952         (Output_data_got::add_local_tls): Removed.
7953         (Output_data_got::add_local_tls_with_rel): Removed.
7954         (Output_data_got::add_local_tls_with_rela): Removed.
7955         * output.h (Output_data_got::add_global): Added got_type parameter.
7956         (Output_data_got::add_global_with_rel): Likewise.
7957         (Output_data_got::add_global_with_rela): Likewise.
7958         (Output_data_got::add_global_pair_with_rel): New function.
7959         (Output_data_got::add_global_pair_with_rela): New function.
7960         (Output_data_got::add_local): Added got_type parameter.
7961         (Output_data_got::add_local_with_rel): Likewise.
7962         (Output_data_got::add_local_with_rela): Likewise.
7963         (Output_data_got::add_local_pair_with_rel): New function.
7964         (Output_data_got::add_local_pair_with_rela): New function.
7965         (Output_data_got::add_global_tls): Removed.
7966         (Output_data_got::add_global_tls_with_rel): Removed.
7967         (Output_data_got::add_global_tls_with_rela): Removed.
7968         (Output_data_got::add_local_tls): Removed.
7969         (Output_data_got::add_local_tls_with_rel): Removed.
7970         (Output_data_got::add_local_tls_with_rela): Removed.
7971         * resolve.cc (Symbol::override_base_with_special): Removed
7972         reference to has_got_offset_ field.
7973         * symtab.cc (Symbol::init_fields): Replaced initialization
7974         of got_offset_ with got_offsets_.  Removed initialization
7975         of has_got_offset_
7976         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7977         (Symbol::got_offset): Likewise.
7978         (Symbol::set_got_offset): Likewise.
7979         (Symbol::has_tls_got_offset): Removed.
7980         (Symbol::tls_got_offset): Removed.
7981         (Symbol::set_tls_got_offset): Removed.
7982         (Symbol::got_offset_): Removed.
7983         (Symbol::tls_mod_got_offset_): Removed.
7984         (Symbol::tls_pair_got_offset_): Removed.
7985         (Symbol::got_offsets_): New field.
7986         (Symbol::has_got_offset): Removed.
7987         (Symbol::has_tls_mod_got_offset): Removed.
7988         (Symbol::has_tls_pair_got_offset): Removed.
7989         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7990         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7991         member functions.
7992         (Target_x86_64::Scan::global): Likewise.
7993         (Target_x86_64::Relocate::relocate): Likewise.
7994         (Target_x86_64::Relocate::relocate_tls): Likewise.
7995
7996 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7997
7998         * yyscript.y: Fix spelling error in comment.
7999
8000 2008-03-24  Ian Lance Taylor  <iant@google.com>
8001
8002         * options.h (class General_options): Define build_id option.
8003         * layout.h (class Layout): Declare write_build_id, create_note,
8004         create_build_id.  Add build_id_note_ member.
8005         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8006         "libiberty.h", "md5.h", "sha1.h".
8007         (Layout::Layout): Initialize eh_frame_data_,
8008         eh_frame_hdr_section_, and build_id_note_.
8009         (Layout::finalize): Call create_build_id.
8010         (Layout::create_note): New function, broken out of
8011         Layout::create_gold_note.
8012         (Layout::create_gold_note): Call create_note.
8013         (Layout::create_build_id): New function.
8014         (Layout::write_build_id): New function.
8015         (Close_task_runner::run): Call write_build_id.
8016
8017         * x86_64.cc: Correct license to GPLv3.
8018
8019 2008-03-23  Ian Lance Taylor  <iant@google.com>
8020
8021         * options.cc: Include "demangle.h".
8022         (parse_optional_string): New function.
8023         (parse_long_option): Handle takes_optional_argument.
8024         (parse_short_option): Update dash_z initializer.  Handle
8025         takes_optional_argument.
8026         (General_options::General_options): Initialize do_demangle_.
8027         (General_options::finalize): Set do_demangle_.  Handle demangling
8028         style.
8029         * options.h (parse_optional_string): Declare.
8030         (struct One_option): Add optional_arg field.  Update constructor.
8031         Update call constructor calls.  Add takes_optional_argument
8032         function.
8033         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8034         (DEFINE_optional_string): Define.
8035         (General_options::demangle): Change from DEFINE_bool to
8036         DEFINE_optional_string.
8037         (General_options::no_demangle): New function.
8038         (General_options::do_demangle): New function.
8039         (General_options::set_do_demangle): New function.
8040         (General_options::execstack_status_): Move definition to end of
8041         class definition.
8042         (General_options::static_): Likewise.
8043         (General_options::do_demangle_): New field.
8044         * object.cc (big_endian>::get_symbol_location_info): Call
8045         Options::do_demangle, not Options::demangle.
8046         * symtab.cc (demangle): Likewise.
8047
8048 2008-03-22  Ian Lance Taylor  <iant@google.com>
8049
8050         * gold.h: Include <cstddef> and <sys/types.h>
8051         * options.h: Include <cstring>.
8052
8053 2008-03-21  Ian Lance Taylor  <iant@google.com>
8054
8055         * Added source code to GNU binutils.