gold/ChangeLog

   1 2010-06-16  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
   4         .ARM.attributes section if we have not merged any input
   5         attributes sections.
   6
   7 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
   8
   9         * arm.cc: Allow combining objects with no EABI version
  10         information.
  11
  12 2010-06-15  Rafael Espindola  <espindola@google.com>
  13
  14         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
  15
  16 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  17
  18         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
  19         (struct iovec): Correct !HAVE_READV definition.
  20
  21 2010-06-10  Cary Coutant  <ccoutant@google.com>
  22
  23         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
  24         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
  25         reloc sections.
  26         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
  27
  28         PR 11683
  29         * symtab.h (Symbol::is_placeholder): New member function.
  30         * target-reloc.h (relocate_section): Check for placeholder symbols.
  31
  32         * testsuite/Makefile.am (plugin_test_8): New test.
  33         (plugin_test_9): New test.
  34         * testsuite/Makefile.in: Regenerate.
  35
  36 2010-06-09  Nick Clifton  <nickc@redhat.com>
  37
  38         * yyscript.y (input_list_element): Allow strings prefixed with
  39         the '-' character.  Treat these as libraries.
  40         * script.cc (script_add_library): New function.  Adds a library
  41         specified by "-l<name>" found in an input script.
  42         * script-c.h: Add prototype for script_add_library.
  43
  44 2010-06-07  Doug Kwan  <dougkwan@google.com>
  45
  46         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
  47         Restrict stub-group size to be within long conditional branch
  48         range when working around cortex-A8 erratum.
  49
  50 2010-06-07  Damien Diederen  <dd@crosstwine.com>
  51
  52         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
  53         #ifdef typo.
  54
  55 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
  56
  57         PR gold/11658
  58         * output.cc
  59         (Output_section::Input_section_sort_entry::compare_section_ordering):
  60         Change to return non-zero correctly.
  61         (Output_section::Input_section_sort_section_order_index_compare
  62         ::operator()): Change to fix ambiguity in comparisons.
  63
  64 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
  65
  66         * gold.h (is_wildcard_string): New function.
  67         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
  68         (Layout::layout_eh_frame): Ditto.
  69         (Layout::find_section_order_index): New method.
  70         (Layout::read_layout_from_file): New method.
  71         * layout.h (Layout::find_section_order_index): New method.
  72         (Layout::read_layout_from_file): New method.
  73         (Layout::input_section_position_): New private member.
  74         (Layout::input_section_glob_): New private member.
  75         * main.cc (main): Call read_layout_from_file here.
  76         * options.h (--section-ordering-file): New option.
  77         * output.cc (Output_section::input_section_order_specified_): New
  78         member.
  79         (Output_section::Output_section): Initialize new member.
  80         (Output_section::add_input_section): Add new parameter.
  81         Keep input sections when --section-ordering-file is used.
  82         (Output_section::set_final_data_size): Sort input sections when
  83         section ordering file is specified.
  84         (Output_section::Input_section_sort_entry): Add new parameter.
  85         Check sorting type.
  86         (Output_section::Input_section_sort_entry::compare_section_ordering):
  87         New method.
  88         (Output_section::Input_section_sort_compare::operator()): Change to
  89         consider section_order_index.
  90         (Output_section::Input_section_sort_init_fini_compare::operator()):
  91         Change to consider section_order_index.
  92         (Output_section::Input_section_sort_section_order_index_compare
  93         ::operator()): New method.
  94         (Output_section::sort_attached_input_sections): Change to sort
  95         according to section order when specified.
  96         (Output_section::add_input_section<32, true>): Add new parameter.
  97         (Output_section::add_input_section<64, true>): Add new parameter.
  98         (Output_section::add_input_section<32, false>): Add new parameter.
  99         (Output_section::add_input_section<64, false>): Add new parameter.
 100         * output.h (Output_section::add_input_section): Add new parameter.
 101         (Output_section::input_section_order_specified): New
 102         method.
 103         (Output_section::set_input_section_order_specified): New method.
 104         (Input_section::Input_section): Initialize section_order_index_.
 105         (Input_section::section_order_index): New method.
 106         (Input_section::set_section_order_index): New method.
 107         (Input_section::section_order_index_): New member.
 108         (Input_section::Input_section_sort_section_order_index_compare): New
 109         struct.
 110         (Output_section::input_section_order_specified_): New member.
 111         * script-sections.cc (is_wildcard_string): Delete and move modified
 112         method to gold.h.
 113         (Output_section_element_input::Output_section_element_input): Modify
 114         call to is_wildcard_string.
 115         (Output_section_element_input::Input_section_pattern
 116         ::Input_section_pattern): Ditto.
 117         (Output_section_element_input::Output_section_element_input): Ditto.
 118         * testsuite/Makefile.am (final_layout): New test case.
 119         * testsuite/Makefile.in: Regenerate.
 120         * testsuite/final_layout.cc: New file.
 121         * testsuite/final_layout.sh: New file.
 122
 123 2010-06-01  Rafael Espindola  <espindola@google.com>
 124
 125         * plugin.cc (Plugin::load): Pass the output name to the plugin.
 126
 127 2010-06-01  Rafael Espindola  <espindola@google.com>
 128
 129         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
 130         visibility of symbols.
 131
 132 2010-05-27  Doug Kwan  <dougkwan@google.com>
 133
 134         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
 135         from start of output section instead of address for a local symbol
 136         in a merged or relaxed section when doing a relocatable link.
 137
 138 2010-05-26  Rafael Espindola  <espindola@google.com>
 139
 140        PR 11604
 141         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
 142         adding sections the garbage collector removed.
 143         * gold/testsuite/Makefile.am: Add test.
 144         * gold/testsuite/Makefile.in: Regenerate.
 145         * gold/testsuite/plugin_test_7.sh: New.
 146         * gold/testsuite/plugin_test_7_1.c: New.
 147         * gold/testsuite/plugin_test_7_2.c: New.
 148
 149 2010-05-26  Rafael Espindola  <espindola@google.com>
 150
 151         * script-sections.cc (Output_section_definition::set_section_addresses):
 152         Check for --section-start.
 153
 154 2010-05-26  Doug Kwan  <dougkwan@google.com>
 155
 156         * arm.cc (Arm_scan_relocatable_relocs): New class.
 157         (Target_arm::relocate_special_relocatable): New method.
 158         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
 159         (Arm_relocate_functions::thumb_branch_common): Same.
 160         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
 161         instead of Default_scan_relocatable_relocs.
 162         * target-reloc.h (relocate_for_relocatable): Let target handle
 163         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
 164         * target.h (Sized_target::relocate_special_relocatable): New method.
 165
 166 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 167
 168         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
 169
 170 2010-05-23  Doug Kwan  <dougkwan@google.com>
 171
 172         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
 173         instead of a cast.
 174         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
 175         with a direct branch, not a conditional branch, to a stub.
 176         * merge.cc (Output_merge_base::record_input_section): New method
 177         defintion.
 178         (Output_merge_data::do_add_input_section): Record input section if
 179         keeps-input-sections flag is set.
 180         (Output_merge_string::do_add_input_section): Ditto.
 181         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
 182         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
 183         INPUT_SECTIONS_.
 184         (Output_merge_base::keeps_input_sections,
 185         Output_merge_base::set_keeps_input_sections,
 186         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
 187         method definitions.
 188         (Output_merge_base::Input_sections): New type declaration.
 189         (Output_merge_base::input_sections_begin,
 190         Output_merge_base::input_sections_end,
 191         Output_merge_base::do_set_keeps_input_sections): New method definitions.
 192         (Output_merge_base::bool keeps_input_sections_,
 193         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
 194         Output_merge_base::input_sections_): New data members.
 195         (Output_merge_data::do_set_keeps_input_sections): New method
 196         defintion.
 197         (Output_merge_string::do_set_keeps_input_sections): Ditto.
 198         * output.cc (Output_section::Input_section::relobj): Move method
 199         defintion from class declaration to here and handle merge sections.
 200         (Output_section::Input_section::shndx): Ditto.
 201         (Output_section::Output_section): Remove initializations of removed
 202         data members and initialize new data member LOOKUP_MAPS_.
 203         (Output_section::add_input_section): Set keeps-input-sections flag
 204         for a newly created merge output section as appropriate.  Adjust code
 205         to use Output_section_lookup_maps class.
 206         (Output_section::add_relaxed_input_section): Adjst code for lookup
 207         maps code refactoring.
 208         (Output_section::add_merge_input_section): Add a new parameter
 209         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
 210         class.  If adding input section to a newly created merge output
 211         section fails, remove the new merge section.
 212         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
 213         Adjust code for use of the Output_section_lookup_maps class.
 214         (Output_section::find_merge_section): Ditto.
 215         (Output_section::build_lookup_maps): New method defintion.
 216         (Output_section::find_relaxed_input_section): Adjust code to use
 217         Output_section_lookup_maps class.
 218         (Output_section::get_input_sections): Export merge sections.  Adjust
 219         code to use Output_section_lookup_maps class.
 220         (Output_section:::add_script_input_section): Adjust code to use
 221         Output_section_lookup_maps class.  Update lookup maps for merge
 222         sections also.
 223         (Output_section::discard_states): Use Output_section_lookup_maps.
 224         (Output_section::restore_states): Same.
 225         * output.h (Merge_section_properties): Move class defintion out of
 226         Output_section.
 227         (Output_section_lookup_maps): New class.
 228         (Output_section::Input_section::is_merge_section): New method
 229         defintion.
 230         (Output_section::Input_section::relobj): Move defintion out of class
 231         defintion.  Declare method only.
 232         (Output_section::Input_section::shndx): Ditto.
 233         (Output_section::Input_section::output_merge_base): New method defintion.
 234         (Output_section::Input_section::u2_.pomb): New union field.
 235         (Output_section::Merge_section_by_properties_map,
 236         Output_section::Output_section_data_by_input_section_map,
 237         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
 238         Remove types.
 239         (Output_section::add_merge_input_section): Add new parameter
 240         KEEPS_INPUT_SECTIONS.
 241         (Output_section::build_lookup_maps): New method declaration.
 242         (Output_section::merge_section_map_,
 243         Output_section::merge_section_by_properties_map_,
 244         Output_section::relaxed_input_section_map_,
 245         Output_section::is_relaxed_input_section_map_valid_): Remove data
 246         members.
 247         (Output_section::lookup_maps_): New data member.
 248
 249 2010-05-21  Doug Kwan  <dougkwan@google.com>
 250
 251         PR gold/11619
 252         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
 253         avoid a compilation error.
 254
 255 2010-05-19  Rafael Espindola  <espindola@google.com>
 256
 257         * script-sections.cc (Output_section_definition::allocate_to_segment):
 258         Update the phdrs_list even when the output section is NULL.
 259         * testsuite/Makefile.am: Add test.
 260         * testsuite/Makefile.in: Regenerate.
 261         * testsuite/script_test_9.cc: New.
 262         * testsuite/script_test_9.sh: New.
 263         * testsuite/script_test_9.t: New.
 264
 265 2010-05-19  Doug Kwan  <dougkwan@google.com>
 266
 267         * arm.cc (Arm_input_section::original_size): New method.
 268         (Arm_input_section::do_addralign): Add a cast.
 269         (Arm_input_section::do_output_offset): Remove static cast.
 270         (Arm_input_section::original_addralign,
 271          Arm_input_section::original_size_): Change type to uint32_t.
 272         (Arm_input_section::init): Add safe casts for section alignment
 273         and size.
 274         (Arm_input_section::set_final_data_size): Do not set address and
 275         offset of stub table.
 276         (Arm_output_section::fix_exidx_coverage): Change use of of
 277         Output_section::Simple_input_section to that of
 278         Output_section::Input_section.
 279         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
 280         except for the first pass.
 281         * output.cc (Output_section::get_input_sections): Change type of
 282         input_sections to std::list<Input_section>.
 283         (Output_section::add_script_input_section): Rename from
 284         Output_section::add_simple_input_section.  Change type of SIS
 285         parameter from Simple_input_section to Input_section.
 286         * output.h (Output_section::Simple_input_section): Remove class.
 287         (Output_section::Input_section): Change class visibility to public.
 288         (Output_section::Input_section::addralign): Use stored alignments
 289         for special input sections if set.
 290         (Output_section::Input_section::set_addralign): New method.
 291         (Output_section::get_input_sections): Change parameter type from
 292         list of Simple_input_section to list of Input_section.
 293         (Output_section::add_script_input_section): Rename from
 294         Output_section::add_simple_input_section. Change first parameter's
 295         type from Simple_input_section to Input_section and remove the
 296         second and third parameters.
 297         * script-sections.cc (Input_section::Input_section_list): Change
 298         type to list of Output_section::Input_section/
 299         (Input_section_info::Input_section_info): Change parameter type of
 300         INPUT_SECTION to Output_section::Input_section.
 301         (Input_section_info::input_section): Change return type.
 302         (Input_section_info::input_section_): Change type to
 303         Output_section::Input_section.
 304         (Output_section_element_input::set_section_addresses): Adjust code
 305         to use Output_section::Input_section instead of
 306         Output_section::Simple_input_section.  Adjust code for renaming
 307         of Output_section::add_simple_input_section.
 308         (Orphan_output_section::set_section_addresses): Ditto.
 309
 310 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 311
 312         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
 313         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
 314
 315 2010-05-18  Rafael Espindola  <espindola@google.com>
 316
 317         * options.cc (General_options::finalize): Handle -nostdlib.
 318         * options.h (nostdlib): New option.
 319         * script.cc (script_add_search_dir): Handle -nostdlib.
 320
 321 2010-05-12  Doug Kwan  <dougkwan@google.com>
 322
 323         * arm.cc (Target_arm::do_finalize_sections): Create an empty
 324         attributes section only if there no attributes section after merging.
 325         (Target_arm::merge_object_attributes): Move value of
 326         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
 327         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
 328         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
 329         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
 330         and arm_attr_merge_7.stdout.
 331         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
 332         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
 333         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
 334         arm_attr_merge_7b.o): New rules.
 335         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
 336         arm_attr_merge_7
 337         * testsuite/Makefile.in: Regenerate.
 338         * testsuite/arm_attr_merge.sh: New file.
 339         * testsuite/arm_attr_merge_[67][ab].s: Same.
 340
 341 2010-05-05  Nick Clifton  <nickc@redhat.com>
 342
 343         * po/es.po: Updated Spanish translation.
 344
 345 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 346
 347         * Makefile.am (install-exec-local): Properly install gold as
 348         default cross linker.
 349         * Makefile.in: Regenerated.
 350
 351 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 352             Nick Clifton  <nickc@redhat.com>
 353
 354         * configure.ac (install_as_default): Define and set to false
 355         unless --enable-gold or --enable-gold=both/gold has been
 356         specified.
 357         * configure: Regenerate.
 358
 359         * Makefile.am (install-exec-local): Install the executable as
 360         'ld.gold'.  If install_as_default is true then also install it as
 361         'ld'.
 362         * Makefile.in: Regenerated.
 363
 364 2010-04-24  Ian Lance Taylor  <iant@google.com>
 365
 366         * layout.cc (Layout::layout_reloc): In relocatable link don't
 367         combine reloc sections for grouped sections.
 368
 369 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
 370
 371         * gc.h (gc_process_relocs): Pass information on relocs pointing to
 372         sections that are not ordinary to icf.
 373         * icf.cc (get_section_contents): Handle relocation pointing to section
 374         with no object or shndx information.
 375         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
 376         * testsuite/Makefile.in: Regenerate.
 377         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
 378         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
 379
 380 2010-04-22  Ian Lance Taylor  <iant@google.com>
 381
 382         * expression.cc (Expression::Expression_eval_info): Add
 383         result_alignment_pointer field.
 384         (Expression::eval_with_dot): Add result_alignment_pointer
 385         parameter.  Change all callers.
 386         (Expression::eval_maybe_dot): Likewise.
 387         (class Binary_expression): Add alignment_pointer parameter to
 388         left_value and right_value.  Change all callers.
 389         (BINARY_EXPRESSION): Set result alignment.
 390         (class Trinary_expression): Add alignment_pointer parameter to
 391         arg2_value and arg3_value.  Change all callers.
 392         (Trinary_cond::value): Set result alignment.
 393         (Max_expression::value, Min_expression::value): Likewise.
 394         (Align_expression::value): Likewise.
 395         * script-sections.cc (class Sections_element): Add dot_alignment
 396         parameter to set_section_addresses virtual function.  Update
 397         instantiations.
 398         (class Output_section_element): Likewise.
 399         (Script_sections::create_segments): Add dot_alignment parameter.
 400         Change all callers.
 401         (Script_sections::create_segments_from_phdrs_clause): Likewise.
 402         (Script_sections::set_phdrs_clause_addresses): Likewise.
 403         * script-sections.h: Update declarations.
 404         * script.h: Update declarations.
 405         * output.h (Output_segment::set_minimum_p_align): Don't decrease
 406         min_p_align.
 407         * testsuite/script_test_3.t: Set large alignment.
 408         * testsuite/script_test_3.sh: Make sure that at least one LOAD
 409         segment has expected alignment.
 410
 411 2010-04-22  Nick Clifton  <nickc@redhat.com>
 412
 413         * po/gold.pot: Updated by the Translation project.
 414         * po/vi.po: Updated Vietnamese translation.
 415
 416 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
 417
 418         * testsuite/Makefile.am (check_PROGRAMS): Add
 419         icf_virtual_function_folding_test.
 420         * testsuite/Makefile.in: Regenerated.
 421
 422 2010-04-15  Andrew Haley  <aph@redhat.com>
 423
 424         * options.h (merge_exidx_entries): New option.
 425         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
 426         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
 427         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
 428         (Target_arm::merge_exidx_entries): New function.
 429         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
 430         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
 431         to Arm_exidx_fixup constructor.
 432         Add new arg, merge_exidx_entries.
 433         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
 434         Arm_output_section::fix_exidx_coverage.
 435
 436 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
 437
 438         * icf.cc (get_section_contents): Check for preemptible functions.
 439         Ignore addend when appropriate.
 440         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
 441         section folded.
 442         (add_from_relobj): Check for section folded.
 443         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
 444         * symtab.h (should_add_dynsym_entry): Add new parameter.
 445         * target-reloc.h (scan_relocs): Check for section folded.
 446         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
 447         Check reloc types for function pointers in shared objects.
 448         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
 449         case.
 450         (icf_preemptible_functions_test): New test case.
 451         (icf_string_merge_test): New test case.
 452         * testsuite.Makefile.in: Regenerate.
 453         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
 454         bar_glob.  Refactor code.
 455         * testsuite/icf_preemptible_functions_test.cc: New file.
 456         * testsuite/icf_preemptible_functions_test.sh: New file.
 457         * testsuite/icf_string_merge_test.cc: New file.
 458         * testsuite/icf_string_merge_test.sh: New file.
 459         * testsuite/icf_virtual_function_folding_test.cc: New file.
 460         * testsuite/icf_virtual_function_folding_test.sh: New file.
 461
 462 2010-04-14  Doug Kwan  <dougkwan@google.com>
 463
 464         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
 465         for local symbol recounting if we remove a section due to ICF.
 466         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
 467         there are no regular objects in input.
 468
 469 2010-04-13  Doug Kwan  <dougkwan@google.com>
 470
 471         * arm.cc (Arm_input_section::set_final_data_size): Compute
 472         accurate final data size instead of using current data size.
 473
 474 2010-04-09  Doug Kwan  <dougkwan@google.com>
 475
 476         * layout.cc (Layout::choose_output_section): Handle script section
 477         types.
 478         (Layout::make_output_section_for_script): Add section type parameter.
 479         Handle script section types.
 480         * layout.h (Layout::make_output_section_for_script): Add section
 481         type parameter.
 482         * output.cc (Output_section::Output_section): Initialize data member
 483         is_noload_.
 484         (Output_section::do_reset_address_and_file_offset): Do not set address
 485         to 0 if section is a NOLOAD section.
 486         * output.h (Output_section::is_noload): New method.
 487         (Output_section::set_is_noload): Ditto.
 488         (Output_section::is_noload_): New data member.
 489         * script-c.h (Script_section_type): New enum type.
 490         (struct Parser_output_section_header): Add new file section_type.
 491         * script-sections.cc (Sections_element::output_section_name): Add
 492         parameter for returning script section type.
 493         (Output_section_definition::output_section_name): Ditto.
 494         (Output_section_definition::section_type)P; New method.
 495         (Output_section_definiton::script_section_type_name): Ditto.
 496         (Output_section_definition::script_section_type_): New data member.
 497         (Output_section_definition::Output_section_definition): Initialize
 498         data member Output_section_definition::script_section_type_.
 499         (Output_section_definition::create_sections): Pass script section type
 500         to Layout::make_output_section_for_script.
 501         (Output_section_definition::output_section_name): Return script
 502         section type to caller.
 503         (Output_section_definition::set_section_address): Do not advance
 504         dot value and load address if section type is NOLOAD.  Set address
 505         of NOLOAD sections regardless of section flags.
 506         (Output_section_definition::print): Print section type if it is
 507         not SCRIPT_SECTION_TYPE_NONE.
 508         (Output_section_definition::section_type): New method.
 509         (Output_section_definition::script_section_type_name): Ditto.
 510         (Script_sections::output_section_name): Add new parameter
 511         PSECTION_TYPE for returning script section type.  Pass it to
 512         section elements.  Handle discard sections.
 513         (Sort_output_sections::operator()): Handle NOLOAD sections.
 514         * script-sections.h (Script_sections::Section_type): New enum type.
 515         (Script_sections::output_section_name): Add a new parameter for
 516         returning script section type.
 517         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
 518         INFO and NOLOAD.
 519         * yyscript.y (union): Add new field SECTION_TYPE.
 520         (COPY, DSECT, INFO, NOLOAD): New tokens.
 521         (opt_address_and_section_type): Change type to output_section_header.
 522         (section_type): New non-terminal
 523         (section_header): Handle section type.
 524         (opt_address_and_section_type): Return section type value.
 525
 526 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 527
 528         * testsuite/plugin_common_test_1.c (foo): Add prototype.
 529         * testsuite/plugin_common_test_2.c (foo): Likewise.
 530
 531 2010-04-08  Doug Kwan  <dougkwan@google.com>
 532
 533         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
 534         Output_merge_data.
 535         * output.cc (Output_section::add_merge_input_section): Simplify
 536         code and return status of Output_merge_base::add_input_section.
 537         Update merge section map only if Output_merge_base::add_input_section
 538         returns true.
 539
 540 2010-04-07  Doug Kwan  <dougkwan@google.com>
 541
 542         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
 543         if section is marked as containing instructions but has no mapping
 544         symbols.
 545         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
 546         correct section index.
 547         (Arm_relobj::find_linked_text_section): Ditto.
 548
 549 2010-04-07  Cary Coutant  <ccoutant@google.com>
 550
 551         * archive.cc (include_member): Destroy Read_symbols_data object before
 552         releasing file.
 553         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
 554         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
 555         (Read_symbols_data::~Read_symbols_data) New destructor.
 556         (Section_relocs::Section_relocs) New constructor.
 557         (Section_relocs::~Section_relocs) New destructor.
 558         (Read_relocs_data::Read_relocs_data) New constructor.
 559         (Read_relocs_data::~Read_relocs_data) New destructor.
 560         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
 561         pointers to NULL after deleting.
 562
 563 2010-04-07  Doug Kwan  <dougkwan@google.com>
 564
 565         * arm.cc: Replace "endianity" with "endianness" in comments.
 566         (Arm_exidx_cantunwind): Ditto.
 567         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
 568         (Arm_relobj::merge_flags_and_attributes): New method.
 569         (Arm_relobj::merge_flags_and_attributes_): New data member.
 570         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
 571         (Arm_relobj::scan_sections_for_stubs): Ditto.
 572         (Arm_relobj::do_read_symbols): Check to see if we really want to
 573         merge processor-specific flags and attributes.  Exit early if
 574         an object is empty except for section names and the undefined symbol.
 575         (Target_arm::do_finalize_sections): Move check for ELF format to
 576         Arm_relobj::do_read_symbols.  Merge processor specific flags and
 577         attributes from a regular object only when we have determined that
 578         it is aapropriate.  Do not create an .ARM.attributes section in
 579         output if there is no regular input object.
 580         (Target_arm::merge_processor_specific_flags): Check
 581         --warn-mismatch before printing any error.
 582         (Target_arm::merge_object_attributes): Ditto.
 583         * gold.cc (queue_middle_tasks): Handle the case in which there is
 584         no regular object in input.
 585         * options.cc (General_options::parse_EB): New method.
 586         (General_options::parse_EL): Same.
 587         (General_options::General_options): Initialize endianness_.
 588         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
 589         New options.
 590         (General_options::Endianness): New enum.
 591         (General_options::endianness): New method.
 592         (General_options::endianness_): New data member.
 593         * parameters.cc (Parameters::set_options): Check target endianness.
 594         (Parameters::set_target_once): Ditto.
 595         (Parameters::check_target_endianness): New method.
 596         (parameters_force_valid_target): If either -EL or -EB is specified,
 597         use it to define endianness of default target.
 598         * parameters.h (Parameters::check_target_endianness): New method
 599         declaration.
 600         * target.h (class Target): Change "endianity" to "endianness"
 601         in comments.
 602
 603 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 604
 605         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
 606         * configure: Regenerate.
 607         * Makefile.in: Regenerate.
 608         * testsuite/Makefile.in: Regenerate.
 609
 610 2010-04-06  Cary Coutant  <ccoutant@google.com>
 611
 612         gcc PR lto/42757
 613         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
 614         prevailing definitions of common symbols.
 615         * testsuite/plugin_test_6.sh: New test case.
 616         * testsuite/plugin_common_test_1.c: New test case.
 617         * testsuite/plugin_common_test_2.c: New test case.
 618         * testsuite/Makefile.am (plugin_test_6): New test case.
 619         * testsuite/Makefile.in: Regenerate.
 620
 621 2010-04-06  Nick Clifton  <nickc@redhat.com>
 622
 623         * po/vi.po: New Vietnamese translation.
 624
 625 2010-03-30  Doug Kwan  <dougkwan@google.com>
 626
 627         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
 628
 629 2010-03-25  Doug Kwan  <dougkwan@google.com>
 630
 631         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
 632         to avoid a conversion warning on a 32-bit host.
 633
 634 2010-03-24  Ian Lance Taylor  <iant@google.com>
 635
 636         * testsuite/script_test_3.t: Add a TLS segment.
 637         * testsuite/Makefile.am (check_PROGRAMS): Add
 638         tls_phdrs_script_test.
 639         (tls_phdrs_script_test_SOURCES): Define.
 640         (tls_phdrs_script_test_DEPENDENCIES): Define.
 641         (tls_phdrs_script_test_LDFLAGS): Define.
 642         (tls_phdrs_script_test_LDADD): Define.
 643         * testsuite/Makefile.in: Rebuild.
 644
 645 2010-03-23  Cary Coutant  <ccoutant@google.com>
 646
 647         * fileread.cc (find_or_make_view): Fix comment.
 648
 649 2010-03-23  Ian Lance Taylor  <iant@google.com>
 650
 651         * script-sections.cc (class Orphan_section_placement): Define
 652         PLACE_TLS and PLACE_TLS_BSS.
 653         (Orphan_section_placement::Orphan_section_placement): Initialize
 654         new places.
 655         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
 656         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
 657         (tls_script_test_SOURCES): Define.
 658         (tls_script_test_DEPENDENCIES): Define.
 659         (tls_script_test_LDFLAGS): Define.
 660         (tls_script_test_LDADD): Define.
 661         * testsuite/Makefile.in: Rebuild.
 662
 663 2010-03-22  Doug Kwan  <dougkwan@google.com>
 664
 665         * arm.cc (Arm_relocate_functions::abs8,
 666         Arm_relocate_functions::abs16): Use correct check for overflow
 667         specified in the ARM ELF specs.
 668         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
 669         target of a BLX instruction specially.
 670         (Reloc_stub::stub_type_for_reloc): Ditto.
 671         (Relocate::relocate): Use symbolic names instead of numeric relocation
 672         codes to report error.
 673         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
 674         workaround.
 675         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
 676         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
 677         thumb2_blx_out_of_range.stdout
 678         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
 679         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
 680         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
 681         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
 682         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
 683         thumb2_blx_in_range, thumb2_blx_in_range.o,
 684         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
 685         thumb2_blx_out_of_range.o): New rules.
 686         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
 687         thumb2_blx_in_range and thumb2_blx_out_of_range.
 688         * testsuite/Makefile.in: Regenerate.
 689         * arm_branch_in_range.sh: Add tests for THUMB BLX.
 690         * testsuite/thumb_blx_in_range.s: New file.
 691         * testsuite/thumb_blx_out_of_range.s: New file.
 692
 693 2010-03-22  Rafael Espindola  <espindola@google.com>
 694
 695         * archive.cc (Should_include): Move to archive.h.
 696         (should_include_member): Make it a member of Archive.
 697         (Lib_group): New.
 698         (Add_lib_group_symbols): New.
 699         * archive.h: Include options.h.
 700         (Archive_member): Moved from Archive.
 701         (Should_include): Moved from archive.cc.
 702         (Lib_group): New.
 703         (Add_lib_group_symbols): New.
 704         * dynobj.cc (do_should_include_member): New.
 705         * dynobj.h (do_should_include_member): New.
 706         * gold.cc (queue_initial_tasks): Update call to queue.
 707         * main.cc (main): Print lib group stats.
 708         * object.cc (do_should_include_member): New.
 709         * object.h: Include archive.h.
 710         (Object::should_include_member): New.
 711         (Object::do_should_include_member): New.
 712         (Sized_relobj::do_should_include_member): New.
 713         * options.cc (General_options::parse_start_lib): New.
 714         (General_options::parse_end_lib): New.
 715         (Input_arguments::add_file): Handle lib groups.
 716         (Input_arguments::start_group): Check we are not in a lib.
 717         (Input_arguments::start_lib): New.
 718         (Input_arguments::end_lib): New.
 719         * options.h (General_options): Add start_lib and end_lib.
 720         (Input_argument::lib_): New.
 721         (Input_argument::lib): New.
 722         (Input_argument::is_lib): New.
 723         (Input_file_lib): New.
 724         (Input_arguments::in_lib_): New.
 725         (Input_arguments::in_lib): New.
 726         (Input_arguments::start_lib): New.
 727         (Input_arguments::end_lib_): New.
 728         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
 729         in unused members as preempted.
 730         (Sized_pluginobj::do_should_include_member): New.
 731         * plugin.h (Sized_pluginobj::do_should_include_member): New.
 732         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
 733         return the blocker.
 734         (Read_symbols::do_whole_lib_group): New.
 735         (Read_symbols::do_lib_group): New.
 736         (Read_symbols::do_read_symbols): Handle lib groups.
 737         (Read_symbols::get_name): Handle lib groups.
 738         * readsyms.h (Read_symbols): Add an archive member pointer.
 739         (Read_symbols::do_whole_lib_group): New.
 740         (Read_symbols::do_lib_group): New.
 741         (Read_symbols::member_): New.
 742         * script.cc (read_input_script): Update call to queue_soon.
 743
 744 2010-03-19  Doug Kwan  <dougkwan@google.com>
 745
 746         * arm.cc (Stub_table::Stub_table): Initialize new data members
 747         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 748         (Stub_table::add_reloc_stub): Assign stub offset and update
 749         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
 750         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
 751         New data members.
 752         (Stub_table::update_data_size_and_addralign): Use
 753         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
 754         instead of going over all reloc stubs.
 755         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
 756         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 757         Stringpool_template::offset_ to size of Stringpool_char.
 758         (Stringpool_template::new_key_offset): Remove code to initialize
 759         Stringpool_template::offset_.
 760         * stringpool.h (Stringpool_template::set_no_zero_null): Set
 761         Stringpool_template::offset_ to zero.
 762
 763 2010-03-15  Doug Kwan  <dougkwan@google.com>
 764
 765         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
 766         offset_.
 767         (Stringpool_template::new_key_offset): New method.
 768         (Stringpool_template::add_string): Assign offsets when adding new
 769         strings.
 770         (Stringpool_template::set_string_offsets): Do not set string offsets
 771         when not optimizing.
 772         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
 773         member size_.
 774         (Chunked_vector::clear): Clear size_.
 775         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
 776         (Chunked_vector::size): Return size_.
 777         (Chunked_vector::push_back): Use size_ to find insert position.
 778         (Chunked_vector::size_): New data member.
 779         (Stringpool_template::set_no_zero_null): Assert string set is empty.
 780         (Stringpool_template::new_key_offset): New method declaration.
 781         (Stringpool_template::offset_): New data member.
 782
 783 2010-03-15   Rafael Espindola  <espindola@google.com>
 784
 785         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
 786         Add_symbols' constructor.
 787         * readsyms.h (Add_symbols): Remove the input_group member.
 788
 789 2010-03-10  Ian Lance Taylor  <iant@google.com>
 790
 791         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
 792         target to ask whether a reference to a symbol requires a stack
 793         split.
 794         * target.h (Target::is_call_to_non_split): New function.
 795         (Target::do_is_call_to_non_split): Declare virtual function.
 796         * target.cc: Include "symtab.h".
 797         (Target::do_is_call_to_non_split): New function.
 798         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
 799
 800 2010-03-10  Cary Coutant  <ccoutant@google.com>
 801
 802         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
 803         (File_read::open[1]): Remove initial mapping of whole_file_view_.
 804         (File_read::open[2]): Add whole_file_view_ to list of views.
 805         (File_read::make_view): Remove test of whole_file_view_.
 806         (File_read::find_or_make_view): Create whole_file_view_ if
 807         necessary.
 808         (File_read::clear_views): Replace bool parameter with enum;
 809         adjust all callers.  Don't delete views with permanent data;
 810         do delete cached views and views from archives if
 811         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
 812         if clearing the corresponding view.
 813         * fileread.h (File_read::Clear_views_mode): New enum.
 814         (File_read::View::is_permanent_view): New method.
 815         (File_read::clear_views): Replace bool parameter
 816         with enum; adjust all callers.
 817         * options.h (General_options): Change keep_files_mapped option;
 818         add map_whole_files.
 819         * readsyms.cc (Add_symbols::run): Delete sd_ object before
 820         releasing the file.
 821         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
 822         the file.
 823
 824 2010-03-10  David S. Miller  <davem@davemloft.net>
 825
 826         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
 827
 828 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
 829
 830         * icf.cc (get_section_contents): Add '@' marker after processing the
 831         merge reloc.
 832
 833 2010-03-08  Doug Kwan  <dougkwan@google.com>
 834
 835         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
 836         due to a conversion warning.
 837         (Arm_relobj::update_output_local_symbol_count): Check for local
 838         symbol with unset output index.
 839
 840 2010-03-05  Ian Lance Taylor  <iant@google.com>
 841
 842         * options.h (class General_options): Add --spare-dynamic-tags.
 843         * output.cc (Output_data_dynamic::set_final_data_size): Implement
 844         --spare-dynamic-tags.
 845
 846 2010-03-05  Ian Lance Taylor  <iant@google.com>
 847
 848         * incremental.cc: Include "libiberty.h".
 849
 850 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 851
 852         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
 853         function, is_info_ member.
 854         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
 855         (Versions::Versions): Update caller.
 856         (Versions::define_base_version): Likewise.
 857         (Versions::add_def): Likewise.
 858
 859 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
 860
 861         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
 862         (Scan::possible_function_pointer_reloc): New function.
 863         (Scan::local_reloc_may_be_function_pointer): Change to call
 864         possible_function_pointer_reloc.
 865         (Scan::global_reloc_may_be_function_pointer): Ditto.
 866         * icf.h (Icf::check_section_for_function_pointers): Change to reject
 867         relocations in ".data.rel.ro._ZTV" section.
 868         * testsuite/icf_safe_so_test.sh: Change to pass i386.
 869         * testsuite/icf_safe_so_test.cc: Ditto.
 870         * testsuite/icf_safe_test.cc: Ditto.
 871         * testsuite/icf_safe_test.sh: Ditto.
 872
 873 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 874             Ian Lance Taylor  <iant@google.com>
 875
 876         * target-reloc.h (relocate_section): Check the symbol table index
 877         for -1U before setting the local symbol index.
 878         (scan_relocatable_relocs): If copying the relocation, record that
 879         the local symbol is required.
 880         * object.h (Symbol_value::is_output_symtab_index_set): New
 881         function.
 882         (Symbol_value::may_be_discarded_from_output_symtab): New
 883         function.
 884         (Symbol_value::has_output_symtab_entry): New function.
 885         (Symbol_value::needs_output_symtab_entry): Remove.
 886         (Symbol_value::output_symtab_index): Make sure the symbol index is
 887         set.
 888         (Symbol_value::set_output_symtab_index): Make sure the symbol
 889         index is not set.  Make sure the new index is valid.
 890         (Symbol_value::set_must_have_output_symtab_entry): New function.
 891         (Symbol_value::has_output_dynsym_entry): New function.
 892         (Symbol_value::set_output_dynsym_index): Make sure the new index
 893         is valid.
 894         (Sized_relobj::set_must_have_output_symtab_entry): New function.
 895         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
 896         local symbol if permitted.
 897         (Sized_relobj::do_finalize_local_symbols): Call
 898         is_output_symtab_index_set rather than needs_output_symtab_entry.
 899         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
 900         rather than needs_output_symtab_entry.  Call
 901         has_output_dynsym_entry rather than needs_output_dynsym_entry.
 902         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
 903         is_output_symtab_index_set rather than needs_output_symtab_entry.
 904         * testsuite/discard_locals_relocatable_test.c: New file.
 905         * testsuite/discard_locals_test.sh: Test -r.
 906         * testsuite/Makefile.am (check_DATA): Add
 907         discard_locals_relocatable_test1.syms,
 908         discard_local_relocatable_test2.syms.
 909         (MOSTLYCLEANFILES): Likewise.  Also add
 910         discard_locals_relocatable_test1.lout and
 911         discard_locals_relocatable_test2.out.
 912         (discard_locals_relocatable_test1.syms): New target.
 913         (discard_locals_relocatable_test.o): New target.
 914         (discard_locals_relocatable_test1.out): New target.
 915         (discard_locals_relocatable_test2.syms): New target.
 916         (discard_locals_relocatable_test2.out): New target.
 917         (various): Add missing ../ld-new dependencies.
 918         * testsuite/Makefile.in: Rebuild.
 919
 920 2010-03-03  Nick Clifton  <nickc@redhat.com>
 921
 922         * po/fi.po: New Finnish translation.
 923
 924 2010-03-01  Doug Kwan  <dougkwan@google.com>
 925
 926         * layout.cc (Layout::Layout): Force section types of .init_array*,
 927         .preinit_array* and .fini_array* sections.
 928         * output.cc (Output_section::Input_section_sort_entry::has_priority):
 929         Fix check of return value of std::string::find.().
 930         (Output_section::Input_section_sort_compare::operator()): Remove
 931         comment about .init_array.
 932         (Output_section::Input_section_sort_init_fini_compare::operator()):
 933         New method.
 934         (Output_section::sort_attached_input_sections): Handle .init_array
 935         and .fini_array specially.
 936         * output.h (Output_section::Inut_section_sort_compare): Update
 937         comment.
 938         (Output_section::Input_section_sort_init_fini_compare): New struct.
 939
 940 2010-02-26  Doug Kwan  <dougkwan@google.com>
 941
 942         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
 943         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
 944         * testsuite/debug_msg.sh: Avoid matching source line number for
 945         use of global variable undef_int.
 946
 947 2010-02-26  Doug Kwan  <dougkwan@google.com>
 948
 949         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
 950         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
 951         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
 952         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
 953         * options.cc (General_options::General_options): Initialize member
 954         fix_v4bx_.
 955         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
 956         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
 957         and rm_no_fix_v4bx.stdout
 958         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
 959         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
 960         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
 961         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
 962         and arm_no_fix_v4bx.
 963         * Makefile.in: Regenerate.
 964         * testsuite/arm_fix_v4bx.s: New file.
 965         * testsuite/arm_fix_v4bx.sh: Ditto.
 966
 967 2010-02-24  Doug Kwan  <dougkwan@google.com>
 968
 969         * arm.cc (Target_arm::got_section): Make the .got section the first
 970         non RELRO section in the data segment.
 971         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
 972         suffixes of section names.
 973
 974 2010-02-24  Doug Kwan  <dougkwan@google.com>
 975
 976         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
 977         flags and attributes merging if an input file is a binary file.
 978         * fileread.cc (Input_file::open): Record format of original file.
 979         * fileread.h (Input_file::Format): New enum type.
 980         (Input_file::Input_file): Initialize data member format_.
 981         (Input_file::format): New method definition.
 982         (Input_file::format_):: New data member.
 983
 984 2010-02-24  Doug Kwan  <dougkwan@google.com>
 985
 986         * arm.cc (Arm_output_data_got): New class.
 987         (ARM_TCB_SIZE): New constant
 988         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
 989         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
 990         If user uses a script with a SECTIONS clause, issue only a warning
 991         for a misplaced EXIDX input section.  Otherwise, issue an error.
 992         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
 993         garbage collection.
 994         (Target_arm::got_mode_index_entry): Handle static linking.
 995         (Target_arm::Scan::local): Ditto.
 996         (Target_arm::Scan::global): Ditto.
 997         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
 998         all incorrectly implemented relocations.
 999         (Target_arm::fix_exidx_coverage): Pass layout to
1000         Arm_output_section::fix_exidx_coverage.
1001         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1002         from ".ARM.exidx." and ".ARM.extab.".
1003
1004 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1005
1006         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1007         section if it does not already exist.
1008         * attributes.cc (Attributes_section_data::Attributes_section_data):
1009         Don't crash if size is zero.
1010
1011 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1012             Ian Lance Taylor  <iant@google.com>
1013
1014         * gold.cc (queue_middle_tasks): If no input files were opened,
1015         exit.
1016         * workqueue.h (Task_function::Task_function): Assert that there is
1017         a blocker.
1018
1019 2010-02-22  Doug Kwan  <dougkwan@google.com>
1020
1021         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1022         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1023         types to avoid warnings due to different uint64_t implementations
1024         on different hosts.
1025
1026 2010-02-21  Doug Kwan  <dougkwan@google.com>
1027
1028         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1029         handling of the maximum backward branch offset.
1030         (Arm_relocate_functions::thumb_branch_common): Ditto.
1031         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1032         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1033         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1034         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1035         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1036         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1037         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1038         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1039         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1040         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1041         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1042         thumb2_bl_out_of_range.o): New rules.
1043         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1044         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1045         thumb2_bl_out_of_range
1046         * testsuite/Makefile.in: Regenerate.
1047         * testsuite/arm_bl_in_range.s: New file.
1048         * testsuite/arm_bl_out_of_range.s: Ditto.
1049         * testsuite/arm_branch_in_range.sh: Ditto.
1050         * testsuite/arm_branch_range.t: Ditto.
1051         * testsuite/thumb2_branch_range.t: Ditto.
1052         * testsuite/thumb_bl_in_range.s: Ditto.
1053         * testsuite/thumb_bl_out_of_range.s: Ditto.
1054         * testsuite/thumb_branch_range.t: Ditto.
1055
1056 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1057
1058         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1059         Add reloc offset information.
1060         * icf.cc (get_section_contents): Change iterators to point to the new
1061         vectors. Add reloc offset information to the contents.
1062         * icf.h (Icf::Sections_reachable_info): New typedef.
1063         (Icf::Sections_reachable_list): New typedef.
1064         (Icf::Offset_info): New typedef.
1065         (Icf::Reloc_info): New struct typedef.
1066         (Icf::Reloc_info_list): New typedef.
1067         (Icf::symbol_reloc_list): Delete method.
1068         (Icf::addend_reloc_list): Delete method.
1069         (Icf::section_reloc_list): Delete method.
1070         (Icf::reloc_info_list): New method.
1071         (Icf::reloc_info_list_): New member.
1072
1073 2010-02-19  Doug Kwan  <dougkwan@google.com>
1074
1075         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1076         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1077         * arm.cc (Arm_relocation_functions): New forward declaration.
1078         (Target_arm::Target_arm): Initialize new data members
1079         got_mod_index_offset_ and tls_base_symbol_defined_.
1080         (Target_arm::Relocate::relocate_tls): New method.
1081         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1082          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1083         New methods.
1084         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1085         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1086         (Target_arm::got_mod_index_offset_,
1087         Target_arm::tls_base_symbol_defined_): New data members.
1088         (Target_arm::Scan::local, Target::Scan::global,
1089         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1090         relocations.
1091
1092 2010-02-18  Doug Kwan  <dougkwan@google.com>
1093
1094         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1095         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1096         text section as a parameter becuase some broken tools may not set
1097         the link in section header.
1098         (Target_arm::has_got_section): New method.
1099         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1100         without any mapping symbol as data only.  Remove warning.
1101         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1102         link in its section header, try to discover the link by inspecting the
1103         REL31 relocation at the beginning of the section.
1104         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1105         in error message.
1106         (Target_arm::Scan::global): Treat any reference to the symbol
1107         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1108
1109 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1110
1111         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1112         (Scan::global_reloc_may_be_function_pointer): New function.
1113         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1114         (Scan::global_reloc_may_be_function_pointer): New function.
1115         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1116         (Scan::global_reloc_may_be_function_pointer): New function.
1117         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1118         (Scan::global_reloc_may_be_function_pointer): New function.
1119         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1120         (Scan::global_reloc_may_be_function_pointer): New function.
1121         (Scan::possible_function_pointer_reloc): New function.
1122         (Target_x86_64::can_check_for_function_pointers): New function.
1123         * gc.h (gc_process_relocs): Scan relocation types to determine if
1124         function pointers were taken for targets that support it.
1125         * icf.cc (Icf::find_identical_sections): Include functions for
1126         folding in safe ICF whose pointer is not taken.
1127         * icf.h (Secn_fptr_taken_set): New typedef.
1128         (fptr_section_id_): New member.
1129         (section_has_function_pointers): New function.
1130         (set_section_has_function_pointers): New function.
1131         (check_section_for_function_pointers): New function.
1132         * options.h: Fix comment for safe ICF option.
1133         * target.h (can_check_for_function_pointers): New function.
1134         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1135         Modify icf_safe_test for X86-64.
1136         * testsuite/Makefile.in: Regenerate.
1137         * testsuite/icf_safe_so_test.cc: New file.
1138         * testsuite/icf_safe_so_test.sh: New file.
1139         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1140         (main): Change to take pointer to function kept_func_3.
1141         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1142         folding is done correctly for X86-64.
1143
1144 2010-02-12  David S. Miller  <davem@davemloft.net>
1145
1146         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1147         is_symbolless parameter.
1148         (Output_reloc<SHT_REL>::is_symbolless): New.
1149         (Output_reloc<SHT_REL>::is_symbolless_): New.
1150         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1151         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1152         (Output_reloc<SHT_RELA>::is_symbolless): New.
1153         (Output_data_reloc::add_global): Handle is_symbolless.
1154         (Output_data_reloc::add_global_relative): Likewise.
1155         (Output_data_reloc::add_local): Likewise.
1156         (Output_data_reloc::add_local_relative): Likewise.
1157         (Output_data_reloc::add_symbolless_global_addend): New.
1158         (Output_data_reloc::add_symbolless_local_addend): New.
1159         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1160         is_symbolless.
1161         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1162         instead of ->is_relative_
1163         (Output_reloc::write): Likewise.
1164         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1165         (Output_reloc::write_rel): Simplify.
1166
1167         * sparc.cc (Target_sparc::Scan::local): Use
1168         ->add_symbolless_local_addend as needed.
1169         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1170         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1171         based upon relocation offset.
1172
1173 2010-02-11  Doug Kwan  <dougkwan@google.com>
1174
1175         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1176         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1177         beginning of function.
1178         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1179         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1180         parameter is_32bit in calls to should_apply_static_reloc.
1181         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1182         (check_DATA): Add arm_abs_global.stdout.
1183         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1184         arm_abs_global.stdout): New rules.
1185         (MOSTLLYCLEANFILES): Add arm_abs_global
1186         * Makefile.in: Regenerate.
1187         * testsuite/arm_abs_global.s: New file.
1188         * testsuite/arm_abs_global.sh: Ditto.
1189         * testsuite/arm_abs_lib.s: Ditto.
1190
1191 2010-02-11  Ian Lance Taylor  <iant@google.com>
1192
1193         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1194         Read_relocs task.
1195         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1196         Allocate_commons_task first.
1197         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1198         task, rather than symtab_lock_.
1199         (Gc_process_relocs::~Gc_process_relocs): New function.
1200         (Gc_process_relocs::is_runnable): Check this_blocker_.
1201         (Gc_process_relocs::locks): Use next_blocker_ rather than
1202         blocker_.
1203         (Scan_relocs::~Scan_relocs): New function.
1204         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1205         symtab_lock_.
1206         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1207         next_blocker_.
1208         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1209         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1210         constructor accordingly.
1211         (class Gc_process_relocs): Likewise.
1212         (class Scan_relocs): Likewise.
1213         * common.h (class Allocate_commons_task): Remove symtab_lock_
1214         field, and corresponding constructor parameter.
1215         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1216         symtab_lock_.
1217         (Allocate_commons_task::locks): Likewise.
1218
1219 2010-02-11  Ian Lance Taylor  <iant@google.com>
1220
1221         * gold-threads.h (class Once): Define.
1222         (class Initialize_lock): Rewrite as child of Once.
1223         * gold-threads.cc (class Once_initialize): Define.
1224         (once_pointer_control): New static variable.
1225         (once_pointer, once_arg): New static variables.
1226         (c_run_once): New static function.
1227         (Once::Once, Once::run_once, Once::internal_run): New functions.
1228         (class Initialize_lock_once): Remove.
1229         (initialize_lock_control): Remove.
1230         (initialize_lock_pointer): Remove.
1231         (initialize_lock_once): Remove.
1232         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1233         (Initialize_lock::initialize): Rewrite.
1234         (Initialize_lock::do_run_once): New function.
1235         * archive.cc (Archive::interpret_header): Only clear name if it is
1236         not already empty.
1237         * fileread.cc: Include "gold-threads.h"
1238         (file_counts_lock): New static variable.
1239         (file_counts_initialize_lock): Likewise.
1240         (File_read::release): Only increment counts when using --stats.
1241         Use a lock around the increment.
1242         * parameters.cc (class Set_parameters_target_once): Define.
1243         (set_parameters_target_once): New static variable.
1244         (Parameters::Parameters): Move here from parameters.h.
1245         (Parameters::set_target): Rewrite.
1246         (Parameters::set_target_once): New function.
1247         (Parameters::clear_target): Move here and rewrite.
1248         * parameters.h (class Parameters): Update declarations.  Add
1249         set_parameters_target_once_ field.
1250         (Parameters::Parameters): Move to parameters.cc.
1251         (Parameters::clear_target): Likewise.
1252         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1253         task.
1254         (Start_group::~Start_group): New function.
1255         (Start_group::is_runnable): New function.
1256         (Start_group::locks, Start_group::run): New functions.
1257         (Finish_group::run): Change saw_undefined to size_t.
1258         * readsyms.h (class Start_group): Define.
1259         (class Finish_group): Change saw_undefined_ field to size_t.
1260         (Finish_group::Finish_group): Remove saw_undefined and
1261         this_blocker parameters.  Change all callers.
1262         (Finish_group::set_saw_undefined): New function.
1263         (Finish_group::set_blocker): New function.
1264         * symtab.h (class Symbol_table): Change saw_undefined to return
1265         size_t.  Change saw_undefined_ field to size_t.
1266         * target-select.cc (Set_target_once::do_run_once): New function.
1267         (Target_selector::Target_selector): Initialize set_target_once_
1268         field.  Don't initialize lock_ and initialize_lock_ fields.
1269         (Target_selector::instantiate_target): Rewrite.
1270         (Target_selector::set_target): New function.
1271         * target-select.h (class Set_target_once): Define.
1272         (class Target_selector): Update declarations.  Make
1273         Set_target_once a friend.  Remove lock_ and initialize_lock_
1274         fields.  Add set_target_once_ field.
1275
1276 2010-02-10  Ian Lance Taylor  <iant@google.com>
1277
1278         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1279         queueing any tasks.
1280         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1281         (queue_middle_tasks): Add all blockers before queueing any tasks.
1282         (queue_final_tasks): Likewise.
1283         * token.h (Task_token::add_blockers): New function.
1284         * object.h (Input_objects::number_of_relobjs): New function.
1285
1286 2010-02-10  Ian Lance Taylor  <iant@google.com>
1287
1288         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1289         shared, not if not position independent.
1290         * x86_64.cc (Relocate::relocate_tls): Likewise.
1291         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1292         (tls_pie_pic_test): New target.
1293         * testsuite/Makefile.in: Rebuild.
1294
1295         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1296         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1297         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1298         * testsuite/Makefile.in: Rebuild.
1299
1300 2010-02-09  David S. Miller  <davem@davemloft.net>
1301
1302         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1303         R_SPARC_RELATIVE using ->add_local_relative().
1304         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1305
1306         * output.h (Output_data_dynamic::add_section_size): New method
1307         that takes two Output_data objects.
1308         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1309         entry param.  Handle it in initializers.
1310         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1311         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1312         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1313         arg.
1314         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1315         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1316         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1317         for dynrel_includes_plt.
1318         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1319         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1320         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1321         before .rela.plt
1322         (Target_sparc::do_finalize_sections): Update to pass true for
1323         dynrel_includes_plt.
1324         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1325         output before .rela.plt
1326         (Target_powerpc::do_finalize_sections): Update to pass true for
1327         dynrel_includes_plt when 32-bit.
1328
1329 2010-02-08  Doug Kwan  <dougkwan@google.com>
1330
1331         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1332         method.
1333         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1334         Arm_relobj::scan_section_for_cortex_a8_stubs,
1335         Arm_relobj::do_relocation_section): Instead of calling
1336         Output_section::output_address, use faster
1337         Arm_relobj::simple_input_section_output_address.
1338
1339 2010-02-08  David S. Miller  <davem@davemloft.net>
1340
1341         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1342         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1343         relocation helper function.
1344
1345         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1346         just like R_SPARC_GOT{10,13,22}.
1347         (Target_sparc::Scan::local): Likewise.
1348         (Target_sparc::Relocate:relocate): Likewise.
1349
1350 2010-02-06  Ian Lance Taylor  <iant@google.com>
1351
1352         * configure.ac: Rewrite targetobjs duplicate removal code to use
1353         only shell constructs.
1354         * configure: Rebuild.
1355
1356 2010-02-05  Doug Kwan  <dougkwan@google.com>
1357
1358         PR 11247
1359         * arm.cc (Arm_relobj::section_is_scannable): New method.
1360         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1361         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1362
1363 2010-02-04  Doug Kwan  <dougkwan@google.com>
1364
1365         PR 11247
1366         * arm-reloc-property.cc (cstdio): Include.
1367         * configure.ac (targetobjs): Remove duplicates.
1368         * configure: Regenerate.
1369         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1370         big and little endian version for a given address size.
1371
1372 2010-02-03  Doug Kwan  <dougkwan@google.com>
1373
1374         * arm-reloc-property.cc
1375         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1376         definition.
1377         * arm-reloc-property.h
1378         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1379         New method definition.
1380         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1381         declaration.
1382         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1383         overflow to N.
1384         (GOT_PREL): Change implemented to Y.
1385         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1386         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1387         (Arm_relocate_functions::movw_abs_nc): Remove method.
1388         (Arm_relocate_functions::movt_abs): Ditto.
1389         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1390         (Arm_relocate_functions::thm_movt_abs): Ditto.
1391         (Arm_relocate_functions::movw_rel_nc): Ditto.
1392         (Arm_relocate_functions::movw_rel): Ditto.
1393         (Arm_relocate_functions::movt_rel): Ditto.
1394         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1395         (Arm_relocate_functions:thm_movw_rel): Ditto.
1396         (Arm_relocate_functions:thm_movt_rel): Ditto.
1397         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1398         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1399         New method definitions.
1400         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1401         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1402         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1403         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1404         (Target_arm::Relocate::relocate): Check for non-static or
1405         unimplemented relocation code and exit early.  Change calls to
1406         Target_arm::reloc_uses_thumb_bit and
1407         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1408         instead.  Refactor code to handle similar relocations to increase
1409         code sharing.  Remove check for unsupported relocation code in switch
1410         statement.
1411         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1412         relocation property table to find out size.  Change error message to
1413         print out the name of a relocation code instead of the numeric value.
1414         (Target_arm::scan_reloc_for_stub): Use relocation property table
1415         instead of calling Target_arm::reloc_uses_thumb_bit().
1416
1417 2010-02-02  Doug Kwan  <dougkwan@google.com>
1418
1419         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1420         types of relaxed input section.
1421
1422 2010-02-02  Doug Kwan  <dougkwan@google.com>
1423
1424         * Makefile.am (HFILES): Add arm-reloc-property.h.
1425         (DEFFILES): New.
1426         (TARGETSOURCES): Add arm-reloc-property.cc
1427         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1428         (libgold_a_SOURCES): $(DEFFILES)
1429         * Makefile.in: Regenerate.
1430         * arm-reloc-property.cc: New file.
1431         * arm-reloc-property.h: New file.
1432         * arm-reloc.def: New file.
1433         * arm.cc: Update comments.
1434         (arm-reloc-property.h): New included header.
1435         (arm_reloc_property_table): New global variable.
1436         (Target_arm::do_select_as_default_target): New method definition.
1437         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1438         arm-reloc-property to targ_extra_obj.
1439         * parameters.cc (set_parameters_target): Call
1440         Target::select_as_default_target().
1441         * target.h (Target::select_as_default_target): New method definition.
1442         (Target::do_select_as_default_target): Same.
1443
1444 2010-02-01  Doug Kwan  <dougkwan@google.com>
1445
1446         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1447         first_output_text_section_.
1448         (Arm_exidx_fixup::first_output_text_section): New method definition.
1449         (Arm_exidx_fixup::first_output_text_section_): New data member.
1450         (Arm_exidx_fixup::process_exidx_section): Record the first text
1451         output section seen.
1452         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1453         and entsize in output section header.
1454
1455 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1456
1457         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1458         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1459         (Arm_relocate_functions::thm_alu11): New Method.
1460         (Arm_relocate_functions::thm_pc8): New Method.
1461         (Arm_relocate_functions::thm_pc12): New Method.
1462         (Target_arm::Scan::local): Handle the relocations.
1463         (Target_arm::Scan::global): Likewise.
1464         (Target_arm::Relocate::relocate): Likewise.
1465         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1466
1467 2010-01-29  Doug Kwan  <dougkwan@google.com>
1468
1469         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1470         of relocation types as ld.
1471
1472 2010-01-29  Doug Kwan  <dougkwan@google.com>
1473
1474         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1475         to public.
1476         (Arm_relocate_functions::thumb_branch_common): Ditto.
1477         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1478         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1479         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1480         Arm_relocate_functions::jump24): Remove.
1481         (Target_arm::Relocate::relocate): Adjust code to call
1482         Arm_relocation_functions::arm_branch_common and
1483         Arm_relocation_functions::thumb_branch_common instead of their removed
1484         wrappers.  Merge switch-cases together to reduce source code size.
1485
1486 2010-01-29  Doug Kwan  <dougkwan@google.com>
1487
1488         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1489         output_local_symbol_count_needs_update_.
1490         (Arm_relobj::output_local_symbol_count_needs_update,
1491          Arm_relobj::set_output_local_symbol_count_needs_update,
1492          Arm_relobj::update_output_local_symbol_count): New methods.
1493         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1494         member.
1495         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1496         of pointed function as in a R_ARM_PREL31 relocation.
1497         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1498         for output local symbol count updating.
1499         (Target_arm::do_relax): Update output local symbol counts in objects
1500         if necessary.
1501         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1502
1503 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1504
1505         * arm.cc: Added support for the ARM relocations:
1506         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1507         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1508         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1509         movw_prel_nc).
1510         (Arm_relocate_functions::movw_rel): New method.
1511         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1512         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1513         thm_movw_prel_nc).
1514         (Arm_relocate_functions::thm_movw_rel): New method.
1515         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1516         thm_movt_prel).
1517         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1518         relocations.
1519         (Target_arm::Scan::global): Likewise.
1520         (Target_arm::Relocate::relocate): Likewise.
1521         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1522         Likewise.
1523
1524 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1525
1526         * arm.cc: Added support for ARM group relocations.
1527         (Target_arm::reloc_needs_sym_origin): New method.
1528         (Arm_relocate_functions::calc_grp_kn): New method.
1529         (Arm_relocate_functions::calc_grp_residual): New method.
1530         (Arm_relocate_functions::calc_grp_gn): New method.
1531         (Arm_relocate_functions::arm_grp_alu): New Method.
1532         (Arm_relocate_functions::arm_grp_ldr): New Method.
1533         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1534         (Arm_relocate_functions::arm_grp_ldc): New Method.
1535         (Target_arm::Scan::local): Handle the ARM group relocations.
1536         (Target_arm::Scan::global): Likewise.
1537         (Target_arm::Relocate::relocate): Likewise.
1538         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1539         Likewise.
1540
1541 2010-01-26  Doug Kwan  <dougkwan@google.com>
1542
1543         * arm.cc (set): Include.
1544         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1545         pointer type.
1546         (Arm_output_section::Text_section_list): New type.
1547         (Arm_output_section::append_text_sections_to_list): New method.
1548         (Arm_output_section::fix_exidx_coverage): Ditto.
1549         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1550         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1551         Relobj::set_section_offset() instead of
1552         Sized_relobj::invalidate_section_offset().
1553         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1554         parameter for section headers. Ignore relocation sections for
1555         unallocated sections and EXIDX sections.
1556         (Target_arm::fix_exidx_coverage): New method.
1557         (Target_arm::output_section_address_less_than): New type.
1558         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1559         linked text section instead of the EXIDX section.
1560         (Arm_output_section::create_stub_group): Add an assertion to check
1561         that this is not an EXIDX output section.
1562         (Arm_output_section::append_text_sections_to_list): New method.
1563         (Arm_output_section::fix_exidx_coverage): Ditto.
1564         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1565         Arm_relobj::section_needs_reloc_stub_scanning.
1566         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1567         first pass.
1568         (Target_arm::fix_exidx_coverage): New method.
1569         * object.h (Relobj::set_output_section): New method.
1570         (Sized_relobj::invalidate_section_offset): Remove method.
1571         (Sized_relobj::do_invalidate_section_offset): Remove method.
1572         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1573
1574 2010-01-25  Doug Kwan  <dougkwan@google.com>
1575
1576         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1577         Fix warning due to signed and unsigned comparison on a 32-bit host.
1578
1579 2010-01-22  Doug Kwan  <dougkwan@google.com>
1580
1581         * arm.cc (Target_arm::do_relax): Record an output section for section
1582         offset adjustment it contains any stub table that has changed.
1583         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1584         offsets in an output section if necessary.
1585         * output.cc (Output_section::Output_section): Initialize
1586         section_offsets_need_adjustments_.
1587         (Output_section::add_input_section_for_script): Renamed to
1588         Output_section::add_simple_input_section.
1589         (Output_section::save_states): Add a comment.
1590         (Output_section::discard_states): New method defintion.
1591         (Output_section::adjust_section_offsets): Same.
1592         * output.h (Output_section::add_input_section_for_script): Renamed to
1593         Output_section::add_simple_input_section.
1594         (Output_section::discard_states): New method declaration.
1595         (Output_section::adjust_section_offsets): Same.
1596         (Output_section::section_offsets_need_adjustment,
1597         Output_section::set_section_offsets_need_adjustment): New method
1598         definitions.
1599         (Output_section::section_offsets_need_adjustment_): New data member.
1600         * script-sections.cc
1601         (Output_section_element_input::set_section_address): Adjust code for
1602         renaming of Output_section::add_input_section_for_script.
1603         (Orphan_output_section::set_section_address): Same.
1604
1605 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1606
1607         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1608         Fix_v4bx enum values .
1609         * gold/options.h (General_options): New option definitions.
1610         (General_options::fix_v4bx): New method.
1611         (General_options::Fix_v4bx): New enum.
1612         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1613         (General_options::parse_fix_v4bx_interworking): New method.
1614
1615 2010-01-22  Doug Kwan  <dougkwan@google.com>
1616
1617         * arm.cc (Arm_exidx_fixup): New class.
1618
1619 2010-01-21  Doug Kwan  <dougkwan@google.com>
1620
1621         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1622         classes.
1623         (Arm_exidx_section_offset_map): New type.
1624
1625 2010-01-21  Doug Kwan  <dougkwan@google.com>
1626
1627         * arm.cc (Arm_exidx_input_section): New class.
1628         (Arm_relobj::exidx_input_section_by_link,
1629         Arm_relobj::exidx_input_section_by_shndx,
1630         Arm_relobj::make_exidx_input_section): New methods.
1631         (read_arm_attributes_section): Remove.
1632         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1633         information about them.
1634         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1635         to here.
1636
1637 2010-01-20  Doug Kwan  <dougkwan@google.com>
1638
1639         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1640         Input_section_specifier to Section_id.
1641         (Target_arm::new_arm_input_section: Adjust code for change of key
1642         type.
1643         (Target_arm::find_arm_input_section): Ditto.
1644         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1645         (Section_id): Remove.
1646         (Garbage_collection::Section_id_hash): Remove.
1647         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1648         (Section_id): Remove.
1649         (Icf::Section_id_hash): Remove.
1650         * object.h (Section_id, Const_section_id, Section_id_hash,
1651         Const_section_id_hash): New type definitions.
1652         * output.cc (Output_section::add_relaxed_input_section): Change to
1653         use Const_section_id instead of Input_section_specifier as key type.
1654         (Output_section::add_merge_input_section): Ditto.
1655         (Output_section::build_relaxation_map): Change to use Section_id
1656         instead of Input_section_specifier as key type.
1657         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1658         Ditto.
1659         (Output_section::convert_input_sections_to_relaxed_sections): Change
1660         to use Const_section_id instead of Input_section_specifier as key type.
1661         (Output_section::find_merge_section): Ditto.
1662         (Output_section::find_relaxed_input_section): Ditto.
1663         * output.h (Input_section_specifier): Remove class.
1664         (Output_section::Output_section_data_by_input_section_map): Change
1665         key type to Const_section_id.
1666         (Output_section::Output_relaxed_input_section_by_input_section_map):
1667         Ditto.
1668         (Output_section::Relaxation_map): Change key type to Section_id.
1669
1670 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1671
1672         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1673         (class Arm_v4bx_stub): New class.
1674         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1675         (Stub_factory::make_arm_v4bx_stub): New method.
1676         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1677         (Stub_table::empty): Handle v4bx stubs.
1678         (Stub_table::add_arm_v4bx_stub): New method.
1679         (Stub_table::find_arm_v4bx_stub): New method.
1680         (Arm_relocate_functions::v4bx): New method.
1681         (Target_arm::fix_v4bx): New method.
1682         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1683         (Stub_table::relocate_stubs): Likewise.
1684         (Stub_table::do_write): Likewise.
1685         (Stub_table::update_data_size_and_addralign): Likewise.
1686         (Stub_table::finalize_stubs):  Likewise.
1687         (Target_arm::Scan::local): Likewise.
1688         (Target_arm::Scan::global): Likewise.
1689         (Target_arm::do_finalize_sections): Likewise.
1690         (Target_arm::Relocate::relocate): Likewise.
1691         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1692         Likewise.
1693         (Target_arm::scan_reloc_for_stub): Likewise.
1694         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1695
1696 2010-01-19  Ian Lance Taylor  <iant@google.com>
1697
1698         * output.cc (Output_section_headers::do_sized_write): Write large
1699         segment count to sh_info field.
1700         (Output_file_header::do_sized_write): For large segment count,
1701         write PN_XNUM to e_phnum field.
1702
1703 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1704
1705         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1706         (Arm_relocate_functions::thm_jump8): New function.
1707         (Arm_relocate_functions::thm_jump11): New function.
1708         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1709         R_ARM_THM_JUMP11.
1710         (Target_arm::Scan::global): Likewise.
1711         (Target_arm::Relocate::relocate): Likewise.
1712         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1713         Likewise.
1714
1715 2010-01-14  Doug Kwan  <dougkwan@google.com>
1716
1717         * arm.cc (map, utility): Include headers.
1718         (Target_arm::apply_cortex_a8_workaround): New method.
1719         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1720         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1721         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1722         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1723         the --[no-]fix-cortex-a8 command line options.
1724         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1725         (Target_arm::relocate_stub): Use addend in instruction template.
1726         * options.h (DEFINE_bool): Set the user-set flag.
1727         (General_options): Add --[no-]-fix-cortex options.
1728         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1729         : Update fast look-up map after conversion.
1730
1731 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1732
1733         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1734         in the first pass of do_layout.
1735
1736 2010-01-13  Doug Kwan  <dougkwan@google.com>
1737
1738         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1739         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1740         apparent compiler problem of not folding static constant integral
1741         data members of elfcpp::Elf_sizes<32>.
1742
1743 2010-01-13  Doug Kwan  <dougkwan@google.com>
1744
1745         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1746         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1747         Arm_relobj::scan_section_for_cortex_a8_erratum,
1748         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1749         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1750         sections to scan for relocation stubs into a new method
1751         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1752         relocation and Cortex-A8 stub scanning.
1753         (Target_arm::do_relax): Force stubs to be after stubbed sections
1754         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1755         the beginning of a new relaxation pass.  Update a comment.
1756         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1757
1758 2010-01-12  Ian Lance Taylor  <iant@google.com>
1759
1760         * target-reloc.h (visibility_error): New inline function.
1761         (relocate_section): Call visibility_error.
1762         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1763         (MOSTLYCLEANFILES): Likewise.
1764         (protected_4_pic.o, protected_3.err): New targets.
1765         * testsuite/protected_4.cc: New file.
1766
1767 2010-01-12  Doug Kwan  <dougkwan@google.com>
1768
1769         * arm.cc (Cortex_a8_reloc): New class.
1770         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1771         and cortex_a8_relocs_info_.
1772         (Target_arm::fix_cortex_a8): New method definition.
1773         (Target_arm::Cortex_a8_relocs_info): New type.
1774         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1775         New data member declarations.
1776         (Target_arm::scan_reloc_for_stub): Record information about
1777         relocations for THUMB branches that might be exempted from the
1778         Cortex-A8 workaround.
1779         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1780         at the beginning of a relaxation pass.
1781
1782 2010-01-12  Doug Kwan  <dougkwan@google.com>
1783
1784         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1785         (Arm_relobj::Mapping_symbol_position,
1786          Arm_reloj::Mapping_symbol_position_less,
1787          Arm_relobj::Mapping_symbols_info): New types.
1788         (Target_arm::is_mapping_symbol_name): New method definition.
1789         (Arm_relobj::do_count_local_symbols): Save information about mapping
1790         symbols.
1791
1792 2010-01-11  Doug Kwan  <dougkwan@google.com>
1793
1794         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1795         Arm_relocate_functions::thumb32_branch_upper,
1796         Arm_relocate_functions::thumb32_branch_lower,
1797         Arm_relocate_functions::thumb32_cond_branch_offset,
1798         Arm_relocate_functions::thumb32_cond_branch_upper,
1799         Arm_relocate_functions::thumb32_cond_branch_lower,
1800         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1801         branch offset encoding.
1802         (Arm_relocate_functions::thumb_branch_common): Use new branch
1803         offset encoding methods to avoid code duplication.
1804         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1805         (Stub_addend_reader::operator()): Use new branch encoding method
1806         to avoid code duplication.
1807
1808 2010-01-11  Doug Kwan  <dougkwan@google.com>
1809
1810         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1811         (Target_arm::do_finalize_sections): Define special EXIDX section
1812         symbols only if referenced.
1813         * gc.h (Garbage_collection::add_reference): New method.
1814         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1815         code duplication.
1816
1817 2010-01-11  Ian Lance Taylor  <iant@google.com>
1818
1819         * script.cc (Version_script_info::build_expression_list_lookup):
1820         Change complaing about duplicate wildcard match from error to
1821         warning.
1822
1823         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1824         of 2009-12-30.
1825         (Version_script_info::Version_script_info): Initialize globs_,
1826         default_version_, default_is_global_, and exact_.  Don't
1827         initialize globals_ or locals_.
1828         (Version_script_info::build_lookup_tables): Build local symbols
1829         first.
1830         (Version_script_info::unquote): New function.
1831         (Version_script_info::add_exact_match): New function.
1832         (Version_script_info::build_expression_list_lookup): Remove lookup
1833         parameter.  Add is_global parameter.  Change all callers.  Handle
1834         wildcard pattern specially.  Unquote pattern.  Call
1835         add_exact_match.
1836         (Version_script_info::get_name_to_match): New function.
1837         (Version_script_info::get_symbol_version): New function.
1838         (Version_script_info::get_symbol_version_helper): Remove.
1839         (Version_script_info::check_unmatched_names): Call unquote.
1840         * script.h (class Version_script_info): Change get_symbol_version
1841         to be non-inline and add is_global parameter; change all callers.
1842         Rewrite symbol_is_local.  Update declarations.  Define struct
1843         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1844         Remove globals_ and locals_ members.  Add exact_, globs_,
1845         default_version_, is_global_.
1846         (Version_script_info::Glob): Remove pattern, add expression and
1847         is_global.  Update constructor.  Change all callers.
1848         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1849         default version.
1850         (Versions::symbol_section_contents): If a symbol is undefined, or
1851         defined in a dynamic object, set the version index to
1852         VER_NDX_LOCAL.
1853         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1854         symbol_is_local.
1855         (Symbol_table::add_from_pluginobj): Likewise.
1856         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1857
1858 2010-01-11  Doug Kwan  <dougkwan@google.com>
1859
1860         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1861         (incremental_dump_LDADD): Add linking option for libintl.
1862         * Makefile.in: Regenerate.
1863
1864 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1865
1866         PR gold/11144
1867         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1868         instead of -Ds.
1869         * testsuite/Makefile.in: Regenerated.
1870
1871 2010-01-10  Doug Kwan  <dougkwan@google.com>
1872
1873         * options.h (DEFINE_var): Use parentheses around argument varname__
1874         in macro body to avoid any unintended subsequent substitutions.
1875
1876 2010-01-10  Ian Lance Taylor  <iant@google.com>
1877
1878         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1879         candidates before doing symbol resolution.
1880
1881         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1882         ODR candidates if only one is weak.
1883
1884 2010-01-08  Ian Lance Taylor  <iant@google.com>
1885
1886         * script.cc (Version_script_info::build_expression_list_lookup):
1887         Don't warn about ambiguous version, just record the ambiguity.
1888         (Version_script_info::get_symbol_version_helper): Give error if
1889         version is ambiguous.
1890
1891 2010-01-08  Doug Kwan  <dougkwan@google.com>
1892
1893         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1894           prev_data_size_ and prev_addralign_.  Remove initializer for
1895           deleted data member has_been_changed_.
1896           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1897           to determine if the table is empty.
1898           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1899           Remove.
1900           (Stub_table::add_reloc_stub): Define method in class definition
1901           instead of just declaring it there.
1902           (Stub_table::add_cortex_a8_stub): New method definition.
1903           (Stub_table::update_data_size_and_addralign): Ditto.
1904           (Stub_table::finalize_stubs): Ditto.
1905           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1906           (Stub_table::do_addralign_): Return address alignment in the
1907           (Stub_table::do_reset_address_and_file_offset): Define method in
1908           class definition instead of declaring it there.  Set current data
1909           size to be the data size of the previous pass.
1910           (Stub_table::set_final_data_size): Use current data size as the
1911           final data size.
1912           (Stub_table::relocate_stub): Change parameter type of stub from
1913           Reloc_stub pointer to Stub pointer.
1914           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1915           (Stub_table::Cortex_a8_stub_list): New typedef.
1916           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1917            Stub_table::prev_addralign_): New data member.
1918           (Arm_relobj::Arm_relobj): Initialize data member
1919           section_has_cortex_a8_workaround_.
1920           (Arm_relobj::section_has_cortex_a8_workaround,
1921            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1922            definitions.
1923           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1924           declarations.
1925           (Target_arm::relocate_stub): Change parameter type of stub from
1926           Reloc_stub pointer to Stub pointer.
1927           (Insn_template::size, Insn_template::alignment): Handle
1928           THUMB16_SPECIAL_TYPE.
1929           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1930            Stub_table::update_data_size_and_addralign,
1931            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1932           definitions.
1933           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1934           (Stub_table::do_write): Ditto.
1935           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1936
1937 2010-01-08  Ian Lance Taylor  <iant@google.com>
1938
1939         PR 11108
1940         * symtab.h (class Symbol): Remove fields is_target_special_ and
1941         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1942         (Symbol::is_defined_in_discarded_section): New function.
1943         (Symbol::set_is_defined_in_discarded_section): New function.
1944         (Symbol::has_plt_offset): Rewrite.
1945         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1946         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1947         Don't initialize is_target_special_ or has_plt_offset_.
1948         Initialize is_defined_in_discarded_section_.
1949         (Symbol_table::add_from_relobj): If appropriate, set
1950         is_defined_in_discarded_section.
1951         * resolve.cc (Symbol::override_base_with_special): Don't test
1952         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1953         * target-reloc.h (relocate_section): Do special handling for
1954         symbols defined in discarded sections for global symbols as well
1955         as local symbols.
1956
1957 2010-01-08  Ian Lance Taylor  <iant@google.com>
1958
1959         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1960         the SHT_SYMTAB case.
1961
1962 2010-01-08  Ian Lance Taylor  <iant@google.com>
1963
1964         * object.cc (Sized_relobj::do_layout): Don't get confused if
1965         layout_eh_frame returns NULL.
1966
1967 2010-01-08  Ian Lance Taylor  <iant@google.com>
1968
1969         PR 11084
1970         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1971         dynamic symbol table, use the normal symbol table.
1972         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1973         symbol table.
1974
1975 2010-01-08  Ian Lance Taylor  <iant@google.com>
1976
1977         PR 11072
1978         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1979         sections.
1980
1981 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1982
1983         * version.cc (print_version): Change to "Copyright 2010".
1984
1985 2010-01-08  Ian Lance Taylor  <iant@google.com>
1986
1987         PR 10287
1988         PR 11063
1989         * i386.cc (class Target_i386): Change return type of plt_section
1990         to be non-const.
1991         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1992         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1993         tls_desc_rel_ field.
1994         (Output_data_plt_i386::rel_tls_desc): New function.
1995         (Target_i386::rel_tls_desc_section): New function.
1996         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1997         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1998         R_386_TLS_DESC reloc in rel_tls_desc_section.
1999         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2000         Define struct Tlsdesc_info.
2001         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2002         (Target_x86_64::do_reloc_symbol_index): New function.
2003         (Target_x86_64::add_tlsdesc_info): New function.
2004         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2005         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2006         tlsdesc_rel_ field.
2007         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2008         all callers.
2009         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2010         (Target_x86_64::rela_tlsdesc_section): New function.
2011         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2012         handling.
2013         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2014         (Target_x86_64::do_reloc_addend): New function.
2015         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2016         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2017         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2018         (Output_reloc::type): New function.
2019         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2020         (Output_reloc::is_target_specific): New function.
2021         (Output_reloc::target_arg): New function.
2022         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2023         absolute relocs and target specific relocs.
2024         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2025         add_target_specific.
2026         (class Output_data_reloc) [SHT_RELA]: Likewise.
2027         * output.cc (Output_reloc::Output_reloc): Add four new versions
2028         for absolute relocs and target specific relocs.
2029         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2030         (Output_reloc::get_symbol_index): Likewise.
2031         (Output_reloc::local_section_offset): Check that local_sym_index_
2032         is not TARGET_CODE or 0.
2033         (Output_reloc::symbol_value): Likewise.
2034         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2035         reloc.
2036         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2037         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2038         functions.
2039         * layout.cc (add_target_dynamic_tags): Use output section for
2040         DT_PLTRELSZ and DT_JMPREL.
2041
2042 2010-01-07  Ian Lance Taylor  <iant@google.com>
2043
2044         PR 11061
2045         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2046         function.
2047         (class Output_data_reloc_generic): Define.
2048         (class Output_data_reloc_base): Change base class to
2049         Output_data_reloc_generic.  Change add() method to call
2050         bump_relative_reloc_count for a relative reloc.  Remove
2051         sort_relocs_ field.
2052         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2053         to sort_relocs().
2054         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2055         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2056         appropriate.
2057         * layout.h (class Layout): Update declaration.
2058
2059 2010-01-07  Ian Lance Taylor  <iant@google.com>
2060
2061         * output.h (class Output_data): Add const version of
2062         output_section and do_output_section.
2063         (class Output_section_data): Add const version of
2064         do_output_section.
2065         (class Output_section): Likewise.
2066         * layout.cc (Layout::add_target_dynamic_tags): New function.
2067         * layout.h (class Layout): Update declarations.
2068         * arm.cc (Target_arm::do_finalize_sections): Use
2069         add_target_dynamic_tags.
2070         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2071         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2072         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2073         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2074
2075 2010-01-07  Ian Lance Taylor  <iant@google.com>
2076
2077         PR 11042
2078         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2079         object as needed.
2080
2081 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2082             Ian Lance Taylor  <iant@google.com>
2083
2084         PR 11019
2085         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2086         Xindex::read_symtab_xindex.
2087
2088 2010-01-07  Doug Kwan  <dougkwan@google.com>
2089
2090         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2091         (Insn_template::thumb16_bcond_insn): New method declaration.
2092         (Insn_template): Fix spelling.
2093         (Stub::thumb16_special): New method declaration.
2094         (Stub::do_write): Define virtual method which was previously pure
2095         virtual.
2096         (Stub::do_thumb16_special): New method declaration.
2097         (Stub::do_fixed_endian_write): New template member.
2098         (Reloc_stub::do_write): Remove.
2099         (Reloc_stub::do_fixed_endian_write): Remove.
2100         (Cortex_a8_stub): New class definition.
2101         (Stub_factory::make_cortex_a8_stub): New method definition.
2102         (Stub_factory::Stub_factory): Add missing static storage class
2103         qualifier for elf32_arm_stub_a8_veneer_blx.
2104
2105 2010-01-07  Ian Lance Taylor  <iant@google.com>
2106
2107         PR 10980
2108         * options.h (class General_options): Add --warn-unresolved-symbols
2109         and --error-unresolved-symbols.
2110         * errors.cc (Errors::undefined_symbol): Implement
2111         --warn-unresolved-symbols.
2112
2113         * options.h (class General_options): Add -z text and -z textoff.
2114         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2115
2116 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2117
2118         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2119         (Garbage_collection::cident_sections): New function.
2120         (Garbage_collection::add_cident_section): New function.
2121         (Garbage_collection::cident_sections_): New member.
2122         (gc_process_relocs): Add references to sections whose names are C
2123         identifiers.
2124         * gold.h (cident_section_start_prefix): New constant.
2125         (cident_section_stop_prefix): New constant.
2126         (is_cident): New function.
2127         * layout.cc (Layout::define_section_symbols): Replace string constants
2128         with the newly defined constants.
2129         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2130         C identifiers.
2131         * testsuite/Makefile.am: Add gc_orphan_section_test.
2132         * testsuite/Makefile.in: Regenerate.
2133         * testsuite/gc_orphan_section_test.cc: New file.
2134         * testsuite/gc_orphan_section_test.sh: New file.
2135
2136 2010-01-06  Ian Lance Taylor  <iant@google.com>
2137
2138         PR 10980
2139         * options.h (class General_options): Add --warn-shared-textrel.
2140         * layout.cc (Layout::finish_dynamic_section): Implement
2141         --warn-shared-textrel.
2142
2143         PR 10980
2144         * options.h (class General_options): Add --warn-multiple-gp.
2145
2146 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2147
2148         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2149         $(THREADSLIB) and $(LIBDL).
2150         * Makefile.in: Rebuild.
2151
2152 2010-01-06  Ian Lance Taylor  <iant@google.com>
2153
2154         PR 10980
2155         * options.cc (General_options::parse_section_start): New function.
2156         (General_options::section_start): New function.
2157         (General_options::General_options): Initialize all members.
2158         * options.h: Include <map>
2159         (class General_options): Add --section-start.  Add section_starts_
2160         member.
2161         * layout.cc (Layout::attach_allocated_section_to_segment): If
2162         --section-start was used, set the address of the segment.  Remove
2163         local sort_sections.
2164         (Layout::relaxation_loop_body): If the address of the load segment
2165         has been set by --section-start, don't use it.
2166         * output.h (Output_segment::update_flags_for_output_section): New
2167         function.
2168         * output.cc (Output_segment::add_output_section): Call
2169         update_flags_for_output_section.
2170
2171 2010-01-05  Ian Lance Taylor  <iant@google.com>
2172
2173         PR 10980
2174         * options.h (class General_options): Add --undefined-version.
2175         * script.cc (struct Version_expression): Add was_matched_by_symbol
2176         field.
2177         (Version_script_info::matched_symbol): New function.
2178         (Version_script_info::get_symbol_version_helper): Call
2179         matched_symbol.
2180         (Version_script_info::check_unmatched_names): New function.
2181         * script.h (class Version_script_info): Update declarations.
2182         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2183
2184         * options.h (class General_options): Use DEFINE_bool_alias for
2185         allow_multiple_definition.
2186         * resolve.cc (Symbol_table::should_override): Don't test
2187         allow_multiple_definition.
2188
2189         PR 10980
2190         * options.h (class General_options): Add --cref.
2191         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2192         until after printing cref table.
2193         * cref.cc: Include "symtab.h".
2194         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2195         (Cref_table_compare::operator()): New function.
2196         (Cref_inputs::gather_cref): New function.
2197         (filecol): New static const.
2198         (Cref_inputs::print_cref): New function.
2199         (Cref::print_cref): New function.
2200         * cref.h: Include <cstdio>.
2201         (class Cref): Update declarations.
2202         * mapfile.h (Mapfile::file): New function.
2203         * object.h (class Object): Define Symbols.  Declare virtual
2204         do_get_global_symbols.
2205         (Object::get_global_symbols): New function.
2206         * object.cc (Input_objects::add_object): Pass object to cref_ if
2207         --cref.
2208         (Input_objects::archive_start): Likewise.
2209         (Input_objects::archive_stop): Likewise.
2210         (Input_objects::print_cref): New function.
2211         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2212         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2213         --cref.
2214         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2215         function.
2216         * plugin.h (class Sized_pluginobj): Update declarations.
2217
2218 2010-01-05  Ian Lance Taylor  <iant@google.com>
2219
2220         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2221         to is_default_version.  Rename insdef to insdefault.
2222         (Symbol_table::add_from_relobj): Rename def to is_default_version
2223         and local to is_forced_local.
2224         (Symbol_table::add_from_pluginobj): Likewise.
2225         (Symbol_table::add_from_dynobj): Likewise.
2226         (Symbol_table::define_special_symbol): Rename insdef to
2227         insdefault.
2228
2229 2010-01-04  Ian Lance Taylor  <iant@google.com>
2230
2231         PR 10980
2232         * options.h (class General_options): Add
2233         --allow-multiple-definition and -z muldefs.
2234         * resolve.cc (Symbol_table::should_override): Don't warn about a
2235         multiple symbol definition if --allow-multiple-definition or -z
2236         muldefs.
2237
2238         PR 10980
2239         * options.h (class General_options): Add --add-needed and
2240         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2241         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2242         error if --copy-dt-needed-entries aka --add-needed is used and
2243         would cause a change in behaviour.
2244
2245         PR 10980
2246         * options.h (class General_options): Add -G as a short version of
2247         --shared.  Add no-op options -assert, -g, and -i.
2248
2249 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2250
2251         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2252         check for .text or .gnu.linkonce.t sections.
2253         * icf.cc (Icf::find_identical_sections): Ditto.
2254         Change the detection for mangled function name within the section
2255         name.
2256         * icf.h (is_section_foldable_candidate): New function.
2257
2258 2009-12-30  Ian Lance Taylor  <iant@google.com>
2259
2260         PR 10980
2261         * options.h (class General_options): Permit two dashes with
2262         --retain-symbols-file.
2263
2264 2009-12-30  Ian Lance Taylor  <iant@google.com>
2265
2266         PR 10979
2267         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2268         don't put the file header and segment headers in the text
2269         segment.
2270
2271         PR 10979
2272         * common.cc (Sort_commons::operator()): Stabilize sort when both
2273         entries are NULL.
2274         (Symbol_table::do_allocate_commons_list): When allocating common
2275         symbols, skip a symbol which is no longer common.
2276         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2277         an object before checking its type.
2278         * testsuite/common_test_2.c: New file.
2279         * testsuite/common_test_3.c: New file.
2280         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2281         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2282         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2283         (common_test_2_pic.o, common_test_2.so): New targets.
2284         (common_test_3_pic.o, common_test_3.so): New targets.
2285         * testsuite/Makefile.in: Rebuild.
2286
2287         PR 10979
2288         * script.cc (read_input_script): If we see a new SECTIONS clause,
2289         and we have added an input section, give an error.
2290         * layout.h (class Layout): Add have_added_input_section function.
2291         Add have_added_input_section_ field.
2292         * layout.cc (Layout::Layout): Initialize
2293         have_added_input_section_.
2294         (Layout::layout): Set have_added_input_section_.
2295         (Layout::layout_eh_frame): Likewise.
2296
2297 2009-12-30  Ian Lance Taylor  <iant@google.com>
2298
2299         PR 10931
2300         * options.h (class General_options): Add --sort-common option.
2301         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2302         * common.cc (Sort_common): Add sort_order parameter to
2303         constructor.  Add sort_order_ field.
2304         (Sort_commons::operator): Check sort_order_.
2305         (Symbol_table::allocate_commons): Determine the sort order.
2306         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2307         Change all callers.
2308         (Symbol_table::do_allocate_commons_list): Likewise.
2309
2310 2009-12-30  Ian Lance Taylor  <iant@google.com>
2311
2312         PR 10916
2313         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2314         symbols from this object, don't change the visibility of an
2315         undefined symbol.
2316         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2317
2318 2009-12-30  Ian Lance Taylor  <iant@google.com>
2319
2320         PR 10861
2321         * script.h (class Version_script_info): Define Language enum.
2322         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2323         new fields globals_, locals_, and is_finalized_.
2324         * script.cc: Various formatting fixes.
2325         (class Parser_closure): Change language_stack_ from a vector of
2326         std::string to one of Version_script_info::Language.  Adjust all
2327         uses accordingly.
2328         (class Lazy_demangler): Remove.
2329         (struct Version_expression): Change language from std::string to
2330         Version_script_info::Language.
2331         (Version_script_info::Version_script_info): New function.
2332         (Version_script_info::~Version_script_info): Don't call clear.
2333         (Version_script_info::finalize): New function.
2334         (Version_script_info::build_lookup_tables): New function.
2335         (Version_script_info::build_expression_list_lookup): New
2336         function.
2337         (Version_script_info::get_symbol_version_helper): Rewrite to use
2338         lookup tables.
2339         (Version_script_info::print_expression_list): Adjust to use
2340         Version_script_info::Language.
2341         (script_push_lex_into_version_mode): Check that the version script
2342         has not been finalized.
2343         (version_script_push_lang): Change language string to
2344         Version_script_info::Language.
2345         * options.cc (Command_line::version_script): New function.
2346         * options.h (class General_options): Add finalize_dynamic_list
2347         function.  Change version_script from declaration to definition.
2348         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2349         * testsuite/version_script.map: Remove duplicate def of foo.
2350         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2351         version_script.map.
2352         * testsuite/Makefile.in: Rebuild.
2353
2354 2009-12-30  Ian Lance Taylor  <iant@google.com>
2355
2356         PR 10843
2357         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2358         if the input symbol index is 0, make the output symbol index 0.
2359
2360 2009-12-30  Ian Lance Taylor  <iant@google.com>
2361
2362         PR 10670
2363         * options.h (class General_options): Add -x/--discard-all.
2364         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2365         --discard-all.  If the local symbol needs a dynamic entry, check
2366         that before handling --discard-locals.
2367
2368 2009-12-30  Ian Lance Taylor  <iant@google.com>
2369
2370         PR 10450
2371         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2372         flags to PF_R.
2373         (Output_segment::add_output_section): Don't change the flags if
2374         the type is PT_TLS.
2375
2376         PR 10450
2377         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2378         GNU hash table if they need a dynamic value.  Otherwise, don't add
2379         them if they are defined in a dynamic object or are forced local.
2380
2381 2009-12-29  Ian Lance Taylor  <iant@google.com>
2382
2383         PR 10450
2384         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2385         .gnu.hash table for a 32-bit target.
2386
2387         PR 10450
2388         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2389         regular and a dynamic object only needs a dynamic symbol table
2390         entry if it is externally visible.
2391
2392         PR 10450
2393         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2394         constructor.  Add global_offset_table_ field.
2395         (Target_i386::got_section): Set global_offset_table_.
2396         (Target_i386::do_finalize_sections): Set global_offset_table_
2397         size.
2398         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2399         in constructor.  Add global_offset_table_ field.
2400         (Target_x86_64::got_section): Set global_offset_table_.
2401         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2402         size.
2403
2404         * layout.cc (Layout::Layout): Initialize increase_relro_.
2405         (Layout::get_output_section): Add is_relro, is_last_relro, and
2406         is_first_non_relro parameters.  Change all callers.
2407         (Layout::choose_output_section): Likewise.
2408         (Layout::add_output_section_data): Likewise.
2409         (Layout::make_output_section): Likewise.
2410         (Layout::set_segment_offsets): Clear increase_relro when using a
2411         linker script.
2412         * layout.h (class Layout): Add increase_relro method.  Add
2413         increase_relro_ field.  Update declarations.
2414         * output.cc (Output_section::Output_section): Initialize
2415         is_last_relro_ and is_first_non_relro_.
2416         (Output_segment::add_output_section): Group relro sections is
2417         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2418         (Output_segment::maximum_alignment): Remove relro handling.
2419         (Output_segment::set_section_addresses): Add increase_relro
2420         parameter.  Change all callers.  Add initial alignment to align
2421         relro sections on separate page.  Remove old relro handling.
2422         (Output_segment::set_section_list_addresses): Remove in_relro
2423         parameter.  Change all callers.
2424         (Output_segment::set_offset): Add increase parameter.  Change all
2425         callers.  Remove old relro handling.
2426         * output.h (class Output_section): Add new methods: is_last_relro,
2427         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2428         Add is_last_relro_ and is_first_non_relro_ fields.
2429         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2430         Create separate .got.plt section.  Call increase_relro.
2431         * x86_64.cc (Target_x86_64::got_section): Likewise.
2432         * testsuite/relro_script_test.t: Add .got.plt.
2433
2434         PR 10450
2435         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2436         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2437         (Layout::finalize): Call set_dynamic_symbol_size.
2438         (Layout::set_dynamic_symbol_size): New function.
2439         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2440         set_dynamic_symbol_size.
2441
2442         PR 10450
2443         * output.h (class Output_section): Add is_entsize_zero_ field.
2444         * output.cc (Output_section::Output_section): Initialize
2445         is_entsize_zero_.
2446         (Output_section::set_entsize): If two different entsizes are
2447         requested, force it to zero.
2448         (Output_section::add_input_section): Set flags for .debug_str
2449         before updating section flags.  Set entsize.
2450         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2451         and SHF_STRING if all input sections have those flags.
2452
2453 2009-12-29   Rafael Espindola  <espindola@google.com>
2454
2455         * main.cc (main): Fix the sys time reporting.
2456         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2457         reporting.
2458
2459 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2460
2461         * options.cc (General_options::parse_version): Allow -v to exit
2462         without an error if there is nothing to link.
2463
2464 2009-12-29  Ian Lance Taylor  <iant@google.com>
2465
2466         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2467         using a version of gcc before 4.1.
2468         * configure: Rebuild.
2469
2470 2009-12-28  Chris Demetriou  <cgd@google.com>
2471
2472         * attributes.cc (Output_attributes_section_data::do_write): Use
2473         std::vector::front rather than std::vector::data.
2474
2475 2009-12-28  Ian Lance Taylor  <iant@google.com>
2476
2477         * symtab.h (class Symbol_table): Add enum Defined.
2478         * resolve.cc (Symbol_table::should_override): Add defined
2479         parameter.  Change all callers.  Test whether object is NULL
2480         before calling a method on it.
2481         (Symbol_table::report_resolve_problem): Add defined parameter.
2482         Change all callers.
2483         (Symbol_table::should_override_with_special): Likewise.
2484         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2485         parameter.  Change all callers.
2486         (Symbol_table::do_define_in_output_data): Likewise.
2487         (Symbol_table::define_in_output_segment): Likewise.
2488         (Symbol_table::do_define_in_output_segment): Likewise.
2489         (Symbol_table::define_as_constant): Likewise.
2490         (Symbol_table::do_define_as_constant): Likewise.
2491         * script.h (class Symbol_assignment): Add is_defsym parameter to
2492         constructor; change all callers.
2493         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2494         parameter.  Change all callers.  Add is_defsym_ field.
2495         (class Parser_closure): Add parsing_defsym parameter to
2496         constructor; change all callers.  Add parsing_defsym accessor
2497         function.  Add parsing_defsym_ field.
2498
2499 2009-12-28  Ian Lance Taylor  <iant@google.com>
2500
2501         * gold.cc (queue_middle_tasks): Fix formatting.
2502         * object.cc (Relobj::is_section_name_included): Likewise.
2503
2504 2009-12-23  Ian Lance Taylor  <iant@google.com>
2505
2506         * i386.cc (Target_i386::do_calls_non_split): Recognize
2507         -fsplit-stack prologue for a function with a static chain.
2508         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2509         -fsplit-stack prologue when using %r11.
2510
2511 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2512
2513         * options.cc (General_options::parse_version): Make -v continue and do
2514         the link like GNU ld does.
2515
2516 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2517
2518         * Makefile.am (CCFILES): Add timer.cc.
2519         (HFILES): Add timer.h.
2520         * configure.ac: Check for sysconf and times.
2521         * main.cc: include timer.h.
2522         (main): Use Timer instead of get_run_time.
2523         * timer.cc: New.
2524         * timer.h: New.
2525         * workqueue.cc: include timer.h.
2526         (Workqueue::find_and_run_task):
2527         Report user, sys and wall time.
2528         * Makefile.in: Regenerate.
2529         * config.in: Regenerate.
2530         * configure: Regenerate.
2531
2532 2009-12-16  Doug Kwan  <dougkwan@google.com>
2533
2534         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2535         sections.
2536         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2537         relaxed input sections.
2538         * output.cc (Output_section::find_relaxed_input_section): Change
2539         return type to Output_relaxed_input_section pointer.  Adjust code
2540         for new type of relaxed_input_section_map_.
2541         * output.h (Output_section::find_relaxed_input_section): Change
2542         return type to Output_relaxed_input_section pointer.
2543         (Output_section::Output_relaxed_input_section_by_input_section_map):
2544         New type.
2545         (Output_section::relaxed_input_section_map_): Change type to
2546         Output_section::Output_relaxed_input_section_by_input_section_map.
2547         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2548         input section.
2549
2550 2009-12-15  Ian Lance Taylor  <iant@google.com>
2551
2552         * layout.cc (Layout::create_shstrtab): Only write out after input
2553         sections if we are compressing debug sections.
2554
2555 2009-12-15  Ian Lance Taylor  <iant@google.com>
2556
2557         * archive.cc (Archive::add_symbols): Only look up a symbol without
2558         a version if there is, in fact, a version.
2559
2560 2009-12-14  Ian Lance Taylor  <iant@google.com>
2561
2562         Revert -Wshadow changes, all changes from:
2563         2009-12-11  Doug Kwan  <dougkwan@google.com>
2564         2009-12-11  Nick Clifton  <nickc@redhat.com>
2565         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2566
2567 2009-12-11  Doug Kwan  <dougkwan@google.com>
2568
2569         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2570         due to -Wshadow.
2571         * attributes.cc (Object_attribute::size): Ditto.
2572         (Attributes_section_data::size): Ditto.
2573         (Attributes_section_data::Attributes_section_data): Ditto.
2574         (Output_attributes_section_data::do_write): Ditto.
2575         * attributes.h (Object_attribute::set_type): Ditto.
2576         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2577
2578 2009-12-11  Nick Clifton  <nickc@redhat.com>
2579
2580         * archive.cc: Fix shadowed variable warnings.
2581         * arm.cc: Likewise.
2582         * compressed_output.cc: Likewise.
2583         * compressed_output.h: Likewise.
2584         * configure: Likewise.
2585         * dwarf_reader.cc: Likewise.
2586         * dynobj.cc: Likewise.
2587         * dynobj.h: Likewise.
2588         * ehframe.cc: Likewise.
2589         * ehframe.h: Likewise.
2590         * errors.cc: Likewise.
2591         * expression.cc: Likewise.
2592         * fileread.cc: Likewise.
2593         * fileread.h: Likewise.
2594         * freebsd.h: Likewise.
2595         * i386.cc: Likewise.
2596         * icf.cc: Likewise.
2597         * incremental.h: Likewise.
2598         * layout.cc: Likewise.
2599         * layout.h: Likewise.
2600         * mapfile.cc: Likewise.
2601         * merge.cc: Likewise.
2602         * merge.h: Likewise.
2603         * object.cc: Likewise.
2604         * object.h: Likewise.
2605         * options.h: Likewise.
2606         * output.cc: Likewise.
2607         * output.h: Likewise.
2608         * parameters.cc: Likewise.
2609         * plugin.cc: Likewise.
2610         * powerpc.cc: Likewise.
2611         * reduced_debug_output.cc: Likewise.
2612         * reduced_debug_output.h: Likewise.
2613         * reloc.cc: Likewise.
2614         * reloc.h: Likewise.
2615         * resolve.cc: Likewise.
2616         * script-sections.cc: Likewise.
2617         * script.cc: Likewise.
2618         * script.h: Likewise.
2619         * sparc.cc: Likewise.
2620         * symtab.cc: Likewise.
2621         * symtab.h: Likewise.
2622         * target-select.cc: Likewise.
2623         * target-select.h: Likewise.
2624         * token.h: Likewise.
2625         * workqueue.cc: Likewise.
2626         * workqueue.h: Likewise.
2627         * x86_64.cc: Likewise.
2628
2629 2009-12-10  Doug Kwan  <dougkwan@google.com>
2630
2631         * arm.cc (attributes.h): New include.
2632         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2633         (Arm_relobj::~Arm_relobj): Delete object pointed by
2634         attributes_section_data_.
2635         (Arm_relobj::attributes_section_data): New method definition.
2636         (Arm_relobj::attributes_section_data_): New data member declaration.
2637         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2638         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2639         attributes_section_data_.
2640         (Arm_dynobj::attributes_section_data): New method definition.
2641         (Arm_dynobj::attributes_section_data_): New data member declaration.
2642         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2643         initialization value of may_use_blx_ to false.
2644         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2645         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2646         object attributes to compute results instead of hard-coding.
2647         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2648         Target_arm::get_secondary_compatible_arch,
2649         Target_arm::set_secondary_compatible_arch
2650         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2651         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2652         New method declarations.
2653         (Target_arm::get_aeabi_object_attribute): New method definition.
2654         (Target_arm::attributes_section_data_): New data member declaration.
2655         (read_arm_attributes_section): New template definition.
2656         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2657         (Arm_dynobj::do_read_symbols): Ditto.
2658         (Target_arm::do_finalize_sections): Merge attributes sections from
2659         input.  Check for BLX use after attributes section merging.
2660         Fix __exidx_start and __exidx_end visibility.  Create an
2661         .ARM.attributes section if necessary.
2662         (Target_arm::get_secondary_compatible_arch,
2663         Target_arm::set_secondary_compatible_arch,
2664         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2665         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2666         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2667         New method definitions.
2668
2669 2009-12-09  Ian Lance Taylor  <iant@google.com>
2670
2671         * plugin.cc (Plugin::load): Don't cast from void* to a function
2672         pointer.
2673
2674 2009-12-09  Ian Lance Taylor  <iant@google.com>
2675
2676         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2677         information fields.
2678
2679 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2680
2681         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2682         Replace two_file_shared_1.so with two_file_shared_2.so.
2683         * testsuite/Makefile.in: Regenerated.
2684
2685 2009-12-08  Doug Kwan  <dougkwan@google.com>
2686
2687         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2688         (HFILES): Add attributes.h and int_encoding.h.
2689         * Makefile.in: Regenerate.
2690         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2691         function definitions to int_encoding.cc
2692         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2693         prototypes to int_encoding.h
2694         * reduced_debug_output.cc (int_encoding.h): New include.
2695         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2696         function definitions to int_encoding.cc
2697         (insert_into_vector, read_from_pointer): Move template definitions to
2698         int_encoding.h
2699         * attributes.cc: New file.
2700         * attributes.h: New file.
2701         * int_encoding.cc: New file.
2702         * int_encoding.h: New file.
2703
2704 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2705
2706         PR gold/11055
2707         * incremental-dump.cc (dump_incremental_inputs): New.
2708         (main): Use dump_incremental_inputs.
2709
2710 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2711
2712         PR gold/10893
2713         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2714         checking elfcpp::STT_FUNC.
2715         (Target_i386::Relocate::relocate): Likewise.
2716         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2717
2718         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2719         symbols from shared libraries into normal FUNC symbols.
2720
2721         * symtab.h (Symbol): Add is_func and use it.
2722
2723 2009-12-05  Doug Kwan  <dougkwan@google.com>
2724
2725         * arm.cc (Target_arm::arm_info): Initialize new fields
2726         attributes_section and attributes_vendor.
2727         * i386.cc (Target_i386::i386_info): Same.
2728         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2729         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2730         fields attributes_section and attributes_vendor.
2731         * sparc.cc (Target_sparc::sparc_info): Same.
2732         * target.h (Target::attributes_section, Target::attributes_vendor,
2733         Target::is_attributes_section, Target::attribute_arg_type,
2734         Target::attributes_order): New method definitions.
2735         (Target::Target_info::attributes_section,
2736         Target::Target_info::attributes_vendor): New fields.
2737         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2738         virtual method definitions.
2739         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2740         attributes_section and attributes_vendor.
2741         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2742
2743 2009-12-05  Doug Kwan  <dougkwan@google.com>
2744
2745         * arm.cc: Update comments about interworking and stub generation.
2746         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2747         considered as non-PIC.
2748         (Arm_relocate_functions::base_abs): Fix formatting.
2749         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2750         of function to use GOT entry address instead of offset.
2751         (Target_arm::Scan::global): Issue an error if a symbol would need a
2752         PLT does not get one because it is untyped.  Remove code to create
2753         dynamic symbols for relative branches.
2754         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2755         takes unsigned integer instead of boolean.
2756
2757 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2758
2759         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2760         (two_file_test_LDADD): Likewise.
2761         (common_test_1_LDADD): Likewise.
2762         (exception_test_LDADD) Likewise.
2763         (weak_test_LDADD): Likewise.
2764         (many_sections_test_LDADD): Likewise.
2765         (initpri1_LDADD): Likewise.
2766         (script_test_1_LDADD): Likewise.
2767         (script_test_2_LDADD): Likewise.
2768         (justsyms_LDADD): Likewise.
2769         (binary_test_LDADD): Likewise.
2770         (large_LDADD): Likewise.
2771         * testsuite/Makefile.in: Regenerated.
2772
2773 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2774
2775         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2776         (Symbol_table::override_with_special): Likewise.
2777         (Symbol_table::add_from_object): Likewise.
2778
2779 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2780
2781         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2782         Don't set the data_offset twice.
2783
2784 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2785
2786         * testsuite/Makefile.in: Regenerate.
2787
2788 2009-12-03  Doug Kwan  <dougkwan@google.com>
2789
2790         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2791         (Target_arm::do_finalize_sections): Add parameter for symbol table
2792         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2793         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2794         parameter for symbol table pointer.
2795         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2796         an additional parameter for a pointer to symbol table.
2797         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2798         parameter for a symbol table pointer.
2799         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2800         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2801         Ditto.
2802         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2803         parameter for a symbol table pointer.
2804
2805 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2806
2807         * incremental.cc (Incremental_inputs_header)
2808         (Incremental_inputs_header_write, Incremental_inputs_entry)
2809         (Incremental_inputs_entry_write): Move ...
2810         * incremental.h (Incremental_inputs_header)
2811         (Incremental_inputs_header_write, Incremental_inputs_entry)
2812         (Incremental_inputs_entry_write): here.
2813
2814 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2815
2816         * incremental.cc (make_sized_incremental_binary): Set the target.
2817         Error if it is incompatible.
2818         * output.h (Output_file): Add filename method.
2819
2820 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2821
2822         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2823         from the get_* methods.
2824
2825 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2826
2827         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2828         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2829         Write 0 for the data_offset of scripts.
2830
2831 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2832
2833         * testsuite/Makefile.am: Add the incremental_test.sh test.
2834         * testsuite/incremental_test.sh: New.
2835         * testsuite/incremental_test_1.c: New.
2836         * testsuite/incremental_test_2.c: New.
2837
2838 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2839
2840        * incremental-dump.cc (main): Fix typos.
2841
2842 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2843
2844         PR gold/11025
2845         * incremental-dump.cc (main): Use llu to print 64 bit values.
2846
2847 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
2848             H.J. Lu  <hongjiu.lu@intel.com>
2849
2850         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2851         $(LIBDL).
2852         (incremental_dump_LDADD): Likewise.
2853         * Makefile.in: Regenerated.
2854
2855 2009-11-25  Doug Kwan  <dougkwan@google.com>
2856
2857         Revert:
2858
2859         2009-11-25  Doug Kwan  <dougkwan@google.com>
2860
2861                 * arm.cc (Target_arm::Target_arm): Move method definition
2862                 outside of class definition.  Add code to handle
2863                 --target1-rel, --target1-abs and --target2= options.
2864                 (Target_arm::get_reloc_reloc_type): Change method to be
2865                 non-static and const.
2866                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2867                 New data member declaration.
2868                 (Target_arm::Scan::local, Target_arm::Scan::global,
2869                 Target_arm::Relocate::relocate,
2870                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2871                 Adjust call to Target_arm::get_real_reloc_type.
2872                 (Target_arm::get_real_reloc_type): Use command line options
2873                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2874                 * options.h (--target1-rel, --target1-abs, --target2): New
2875                 ARM-only options.
2876
2877 2009-11-25  Doug Kwan  <dougkwan@google.com>
2878
2879         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2880         class definition.  Add code to handle --target1-rel, --target1-abs
2881         and --target2= options.
2882         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2883         and const.
2884         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2885         member declaration.
2886         (Target_arm::Scan::local, Target_arm::Scan::global,
2887         Target_arm::Relocate::relocate,
2888         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2889         call to Target_arm::get_real_reloc_type.
2890         (Target_arm::get_real_reloc_type): Use command line options to
2891         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2892         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2893         options.
2894
2895 2009-11-25  Doug Kwan  <dougkwan@google.com>
2896
2897         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2898         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2899         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2900         formatting.
2901         (Arm_relocate_functions::thm_call): Replace body with a call to
2902         Arm_relocate_functions::thumb_branch_common.
2903         (Arm_relocate_functions::thm_jump24,
2904         Arm_relocate_functions::thm_xpc22): New method definitions.
2905         (Arm_relocate_functions::thumb_branch_common): New method definition.
2906         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2907         operator.
2908         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2909         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2910
2911 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2912
2913         * Makefile.am: Build incremental-dump
2914         * Makefile.in: Regenerate.
2915         * incremental-dump.cc: New.
2916         * incremental.cc (Incremental_inputs_header_data,
2917         Incremental_inputs_entry_data): Move to incremental.h
2918         * incremental.h: (Incremental_inputs_header_data,
2919         Incremental_inputs_entry_data): Move from incremental.cc
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): Add a typedef with the data type.
2926
2927 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2928
2929         * incremental.cc (Incremental_inputs_header,
2930         Incremental_inputs_header_write, Incremental_inputs_entry,
2931         Incremental_inputs_entry_write): Update comment about which
2932         type has the filed descriptions.
2933
2934 2009-11-15  Doug Kwan  <dougkwan@google.com>
2935
2936         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2937         (Arm_relocate_functions::arm_branch_common): Change method defintion
2938         in class definition to a method declaration and update list of formal
2939         parameters.
2940         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2941         Arm_relocation_functions::jump24): Adjust call to
2942         Arm_relocate_functions::arm_branch_common.  Update list of formal
2943         parameters.
2944         (Arm_relocate_functions::xpc25): New method definition.
2945         (Arm_relocate_functions::arm_branch_common): Move method defintion
2946         out from class definition.  Use stubs for mode-switching and extending
2947         branch ranges.
2948         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2949         specially.  Change code to enable use of stubs in ARM branches.
2950
2951 2009-11-10  Doug Kwan  <dougkwan@google.com>
2952
2953         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2954         in method declaration.
2955         (Target_arm::relocate_stub): New method declaration.
2956         (Target_arm::default_target): Change to return a pointer instead of
2957         a const reference.
2958         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2959         Target_arm::default_target.
2960         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2961         method definition.
2962         (Target_arm::relocate_section): Adjust view.
2963         (Target_arm::relocate_stub): New method definition.
2964
2965 2009-11-10  Doug Kwan  <dougkwan@google.com>
2966
2967         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2968         a format warning.
2969         * incremental.cc (open_incremental_binary): Initialized local
2970         variables to avoid warnings.
2971         * object.cc (make_elf_object): Ditto.
2972         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2973         a format warning.
2974
2975 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2976
2977         PR gold/10930
2978         * testsuite/plugin_test.c: Include "config.h".
2979
2980 2009-11-09  Doug Kwan  <dougkwan@google.com>
2981
2982         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2983         (arm_symbol_value): Remove.
2984         (Arm_relocate_functions::arm_branch_common,
2985         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2986         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2987         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2988         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2989         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2990         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2991         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2992         Arm_relocate_functions::thm_mobw_abs_nc,
2993         Arm_relocate_functions::thm_mov_abs,
2994         Arm_relocate_functions::movw_prel_nc,
2995         Arm_relocate_functions::thm_movt_abs,
2996         Arm_relocate_functions::movt_prel,
2997         Arm_relocate_functions::thm_movw_prel_nc,
2998         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2999         (Target_arm::Relocate::relocate): Only decompose address into two
3000         parts if relocation type uses the thumb-bit and pass the actual
3001         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3002         calls to methods in Arm_relocate_functions for this change.
3003
3004 2009-11-08  Ian Lance Taylor  <iant@google.com>
3005
3006         PR 10925
3007         * reloc.cc: Instantiate
3008         Sized_relobj::initialize_input_to_output_maps and
3009         Sized_relobj:free_input_to_output_maps.
3010
3011 2009-11-06  Ian Lance Taylor  <iant@google.com>
3012
3013         PR 10876
3014         * defstd.cc (in_segment): Set only_if_ref true for "end".
3015
3016 2009-11-06  Doug Kwan  <dougkwan@google.com>
3017
3018         * arm.cc (class Reloc_stub): Correct a comment.
3019         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3020         (Target_arm::scan_section_for_stubs): New method declaration.
3021         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3022         Change methods from private to protected.
3023         (Target_arm::do_may_relax): New method definition.
3024         (Target_arm::do_relax, Target_arm::group_sections,
3025         Target_arm::scan_reloc_for_stub,
3026         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3027         (Target_arm::arm_input_section_map_): New data member declaration.
3028         (Target_arm::scan_reloc_for_stub,
3029         Target_arm::scan_reloc_section_for_stubs,
3030         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3031         Target_arm::do_relax): New method definitions.
3032
3033 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3034
3035         * configure.ac: Check for (struct stat)::st_mtim
3036         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3037         * config.in: Regenerate.
3038         * configure: Regenerate.
3039
3040 2009-11-05  Ian Lance Taylor  <iant@google.com>
3041
3042         PR 10910
3043         * output.cc (Output_segment::add_output_section): Add missing
3044         return statement.
3045
3046 2009-11-04  Ian Lance Taylor  <iant@google.com>
3047
3048         PR 10880
3049         * object.h (class Object): Add is_needed and set_is_needed
3050         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3051         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3052         defined in a dynamic object and referenced by a regular object,
3053         set is_needed for the dynamic object.
3054         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3055         if the file is marked with as_needed and it is not needed.
3056
3057 2009-11-04  Ian Lance Taylor  <iant@google.com>
3058
3059         PR 10887
3060         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3061         tags if data is discarded by linker script.
3062         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3063         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3064         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3065         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3066
3067 2009-11-04  Ian Lance Taylor  <iant@google.com>
3068
3069         * layout.cc (Layout::get_output_section): Add is_interp and
3070         is_dynamic_linker_section parameters.  Change all callers.
3071         (Layout::choose_output_section): Likewise.
3072         (Layout::make_output_section): Likewise.
3073         (Layout::add_output_section_data): Add is_dynamic_linker_section
3074         parameter.  Change all callers.
3075         * layout.h (class Layout): Update declarations.
3076         * output.h (class Output_section): Add is_interp, set_is_interp,
3077         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3078         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3079         generate_code_fills_at_write_ to a bitfield.
3080         * output.cc (Output_section::Output_sections): Initialize new
3081         fields.
3082         (Output_segment::add_output_section): Add do_sort parameter.
3083         Change all callers.
3084
3085 2009-11-03  Ian Lance Taylor  <iant@google.com>
3086
3087         PR 10860
3088         * options.h (class General_options): Add --warn-common.
3089         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3090         merging two common symbols.
3091         (Symbol_table::should_override): Handle --warn-common when merging
3092         a common symbol with a defined symbol.  Use report_resolve_problem
3093         for multiple definitions.
3094         (Symbol_table::report_resolve_problem): New function.
3095         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3096
3097 2009-11-03  Doug Kwan  <dougkwan@google.com>
3098
3099         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3100         stub_factory_.
3101         (Target_arm::stub_factory): New method definition.
3102         (Target_arm::new_arm_input_section,
3103         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3104         Target_arm::reloc_uses_thumb_bit): New method declarations.
3105         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3106         New type definitions.
3107         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3108         member declarations.
3109         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3110         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3111         New method definitions.
3112
3113 2009-11-03  Ian Lance Taylor  <iant@google.com>
3114
3115         * options.h (class General_options): Add --warn_constructors.
3116
3117 2009-11-03  Ian Lance Taylor  <iant@google.com>
3118
3119         PR 10893
3120         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3121         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3122
3123 2009-11-03  Ian Lance Taylor  <iant@google.com>
3124
3125         PR 10895
3126         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3127         --msgid-bugs-address.
3128         (install-pdf): New target.
3129         (install-data_yes): Look up one directory to find mkinstalldirs.
3130
3131 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3132
3133         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3134         tree.
3135
3136 2009-10-30  Doug Kwan  <dougkwan@google.com>
3137
3138         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3139
3140 2009-10-30  Doug Kwan  <dougkwan@google.com>
3141
3142         * arm.cc (Stub_addend_reader): New struct template definition
3143         and partial specializations.
3144         (Stub_addend_reader::operator()): New method definition for a
3145         partially specialized template.
3146
3147 2009-10-30  Doug Kwan  <dougkwan@google.com>
3148
3149         * arm.cc (Arm_relobj::processor_specific_flags): New method
3150         definition.
3151         (Arm_relobj::do_read_symbols): New method declaration.
3152         (Arm_relobj::processor_specific_flags_): New data member declaration.
3153         (Arm_dynobj): New class definition.
3154         (Target_arm::do_finalize_sections): Add input_objects parameter.
3155         (Target_arm::do_adjust_elf_header): New method declaration.
3156         (Target_arm::are_eabi_versions_compatible,
3157         (Target_arm::merge_processor_specific_flags): New method declaration.
3158         (Target_arm::do_make_elf_object): New overloaded method definitions
3159         and declaration.
3160         (Arm_relobj::do_read_symbols): New method definition.
3161         (Arm_dynobj::do_read_symbols): Ditto.
3162         (Target_arm::do_finalize_sections): Add input_objects parameters.
3163         Merge processor-specific flags from all input objects.
3164         (Target_arm::are_eabi_versions_compatible,
3165         Target_arm::merge_processor_specific_flags,
3166         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3167         New method definitions.
3168         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3169         Input_objects pointer type parameter.
3170         * layout.cc (Layout::finalize): Pass input objects to target's.
3171         finalize_sections function.
3172         * output.cc (Output_file_header::do_sized_write): Set ELF file
3173         header's processor-specific flags.
3174         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3175         Input_objects pointer type parameter.
3176         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3177         * target.h (Input_objects): New forward class declaration.
3178         (Target::processor_specific_flags,
3179         Target::are_processor_specific_flags_sect): New method definitions.
3180         (Target::finalize_sections): Add input_objects parameter.
3181         (Target::Target): Initialize processor_specific_flags_ and
3182         are_processor_specific_flags_set_.
3183         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3184         parameter.
3185         (Target::set_processor_specific_flags): New method definition.
3186         (Target::processor_specific_flags_,
3187         Target::are_processor_specific_flags_set_): New data member
3188         declarations.
3189         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3190         Input_objects pointer type parameter.
3191
3192 2009-10-30  Doug Kwan  <dougkwan@google.com>
3193
3194         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3195
3196 2009-10-28  Ian Lance Taylor  <iant@google.com>
3197
3198         * object.h (class Relobj): Drop options parameter from
3199         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3200         do_scan_relocs, do_relocate.  Change all callers.
3201         (class Sized_relobj): Drop options parameters from
3202         do_gc_process_relocs, do_scan_relocs, do_relocate,
3203         do_relocate_sections, relocate_sections, emit_relocs_scan,
3204         emit_relocs_scan_reltype.  Change all callers.
3205         (struct Relocate_info): Remove options field and all references to
3206         it.
3207         * reloc.h (class Read_relocs): Remove options constructor
3208         parameter and options_ field.  Change all callers.
3209         (class Gc_process_relocs, class Scan_relocs): Likewise.
3210         (class Relocate_task): Likewise.
3211         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3212         all callers.
3213         (scan_relocatable_relocs): Likewise.
3214         * target.h (class Sized_target): Remove options parameter from
3215         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3216         all callers.
3217         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3218         callers.
3219         * arm.cc: Update functions to remove options parameters.
3220         * i386.cc: Likewise.
3221         * powerpc.cc: Likewise.
3222         * sparc.cc: Likewise.
3223         * x86_64.cc: Likewise.
3224         * testsuite/testfile.cc: Likewise.
3225
3226 2009-10-28  Doug Kwan  <dougkwan@google.com>
3227
3228         * arm.cc (Arm_relobj): New class definition.
3229         (Arm_relobj::scan_sections_for_stubs,
3230         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3231         New method definitions.
3232
3233 2009-10-28  Cary Coutant  <ccoutant@google.com>
3234
3235         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3236         (Plugin::cleanup_done_): New member.
3237         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3238         (Plugin_manager::cleanup_done_): Remove.
3239         (Plugin_manager::add_input_file): Edit error message.
3240         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3241         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3242
3243 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3244
3245         * fileread.cc: (File_read::View::~View): Use the new
3246         data_ownership_ filed.
3247         (File_read::~File_read): Dispose the new whole_file_view_.
3248         (File_read::open): Mmap the whole file if needed.
3249         (File_read::open): Use whole_file_view_ instead of contents_.
3250         (File_read::find_view): Use whole_file_view_ if applicable.
3251         (File_read::do_read): Use whole_file_view_ instead of contents_.
3252         (File_read::make_view): Use whole_file_view_ instead of contents_,
3253         update File_read::View::View call.
3254         (File_read::find_or_make_view): Update File_read::View::View
3255         call.
3256         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3257         remove contents_
3258         (File_read::View::Data_ownership): New enum.
3259         (File_read::View::View): Replace bool mapped_ with Data_ownership
3260         argument.
3261         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3262         (File_read::View::data_ownership_): New field.
3263         (File_read::contents_): Remove (replaced by whole_file_view_).
3264         (File_read::whole_file_view_): New field.
3265         * options.h (class General_options): Add --keep-files-mapped.
3266
3267 2009-10-27  Cary Coutant  <ccoutant@google.com>
3268
3269         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3270         * testsuite/Makefile.am (plugin_test_5): New test case.
3271         * testsuite/Makefile.in: Regenerate.
3272
3273 2009-10-25  Doug Kwan  <dougkwan@google.com>
3274
3275         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3276         from private to protected to allow access by child class.
3277         (Sized_relobj::do_relocate_sections): New method declaration.
3278         (Sized_relobj::relocate_sections): Virtualize.
3279         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
3280         Sized_relobj::relocate_sections.  Instantiate template explicitly
3281         for different target sizes and endianity.
3282
3283 2009-10-24  Doug Kwan  <dougkwan@google.com>
3284
3285         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3286         (Arm_input_section::as_arm_input_section): New method.
3287         (Arm_output_section): New class definition.
3288         (Arm_output_section::create_stub_group,
3289         Arm_output_section::group_sections): New method definitions.
3290
3291 2009-10-22  Doug Kwan  <dougkwan@google.com>
3292
3293         * arm.cc (Arm_input_section): New class definition.
3294         (Arm_input_section::init, Arm_input_section:do_write,
3295         Arm_input_section::set_final_data_size,
3296         Arm_input_section::do_reset_address_and_file_offset): New method
3297         definitions.
3298
3299 2009-10-21  Doug Kwan  <dougkwan@google.com>
3300
3301         * arm.cc (Stub_table, Arm_input_section): New forward class
3302         declarations.
3303         (Stub_table): New class defintion.
3304         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3305         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3306         New method definition.
3307
3308 2009-10-21  Doug Kwan  <dougkwan@google.com>
3309
3310         * arm.cc: Update copyright comments.
3311         (Target_arm): New forward class template declaration.
3312         (Arm_address): New type.
3313         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3314         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3315         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3316         constants.
3317         (Insn_template): Same.
3318         (DEF_STUBS): New macro.
3319         (Stub_type): New enum type.
3320         (Stub_template): New class definition.
3321         (Stub): Same.
3322         (Reloc_stub): Same.
3323         (Stub_factory): Same.
3324         (Target_arm::Target_arm): Initialize may_use_blx_ and
3325         should_force_pic_veneer_.
3326         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3327         Target_arm::should_force_pic_veneer,
3328         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3329         Target_arm::using_thumb_only, Target_arm:;default_target): New
3330         method defintions.
3331         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3332         New data member declarations.
3333         (Insn_template::size, Insn_template::alignment): New method defintions.
3334         (Stub_template::Stub_template): New method definition.
3335         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3336         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3337         (Stub_factory::Stub_factory): New method definition.
3338         * gold.h (string_hash): New template.
3339         * output.h (Input_section_specifier::hash_value): Use
3340         gold::string_hash.
3341         (Input_section_specifier::string_hash): Remove.
3342         * stringpool.cc (Stringpool_template::string_hash): Use
3343         gold::string_hash.
3344
3345 2009-10-20  Doug Kwan  <dougkwan@google.com>
3346
3347         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3348         symbols of relaxed input sections.
3349         * output.h (Output_section::find_relaxed_input_section): Make
3350         method public.
3351
3352 2009-10-16  Doug Kwan  <dougkwan@google.com>
3353
3354         * dynobj.cc (Versions::Versions): Initialize version_script_.
3355         Only insert base version symbol definition for a shared object
3356         if version script defines any version versions.
3357         (Versions::define_base_version): New method definition.
3358         (Versions::add_def): Check that base version is not needed.
3359         (Versions::add_need): Define base version lazily.
3360         * dynobj.h (Versions::define_base_version): New method declaration.
3361         (Versions::needs_base_version_): New data member declaration.
3362         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3363         (check_DATA): Add no_version_test.stdout.
3364         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3365         New make rules.
3366         * testsuite/Makefile.in: Regenerate.
3367         * testsuite/no_version_test.c: New file.
3368         * testsuite/no_version_test.sh: Ditto.
3369
3370 2009-10-16  Doug Kwan  <dougkwan@google.com>
3371
3372         * expression.cc (class Segment_start_expression): New class definition.
3373         (Segment_start_expression::value): New method definition.
3374         (script_exp_function_segment_start): Return a new
3375         Segment_start_expression.
3376         * gold/script-c.h (script_saw_segment_start_expression): New function
3377         prototype.
3378         * script-sections.cc (Script_sections::Script_sections): Initialize
3379         SAW_SEGMENT_START_EXPRESSION_ to false.
3380         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3381         and -Tbbs options to specify section addresses if given in
3382         command line and no SEGMENT_START expression is seen in a script.
3383         * script-sections.h (Script_sections::saw_segment_start_expression,
3384         Script_sections::set_saw_segment_start_expression): New method
3385         definition.
3386         (Script_sections::saw_segment_start_expression_): New data member
3387         declaration.
3388         * script.cc (script_saw_segment_start_expression): New function.
3389         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3390         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3391         script_test_7.sh and script_test_8.sh.
3392         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3393         script_test_8.stdout.
3394         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3395         (script_test_6, script_test_6.stdout, script_test_7,
3396         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3397         * Makefile.in: Regenerate.
3398         * testsuite/script_test_6.sh: New file.
3399         * testsuite/script_test_6.t: Same.
3400         * testsuite/script_test_7.sh: Same.
3401         * testsuite/script_test_7.t: Same.
3402         * testsuite/script_test_8.sh: Same.
3403
3404 2009-10-16  Doug Kwan  <dougkwan@google.com>
3405
3406         * output.cc (Output_segment::set_section_list_address): Cast
3407         expressions to unsigned long long type to avoid format warnings.
3408
3409 2009-10-15  Ian Lance Taylor  <iant@google.com>
3410
3411         * script.cc (Script_options::add_symbol_assignment): Always add a
3412         dot assignment to script_sections_.
3413         * script-sections.cc (Script_sections::add_dot_assignment):
3414         Initialize if necessary.
3415
3416         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3417         program headers with no load segment if there is a linker script.
3418
3419         * layout.cc (Layout::set_segment_offsets): Align the file offset
3420         to the segment aligment for -N or -n with no load segment.
3421         * output.cc (Output_segment::add_output_section): Don't crash if
3422         the first section is a TLS section.
3423         (Output_segment::set_section_list_addresses): Print an error
3424         message if the address moves backward in a linker script.
3425         * script-sections.cc
3426         (Output_section_element_input::set_section_addresses): Don't
3427         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3428         (Orphan_output_section::set_section_addresses): Likewise.
3429
3430 2009-10-15  Doug Kwan  <dougkwan@google.com>
3431
3432         * layout.cc (Layout::finish_dynamic_section): Generate tags
3433         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3434         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3435         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3436
3437 2009-10-14  Ian Lance Taylor  <iant@google.com>
3438
3439         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3440         fields.
3441         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3442         data_shdr fields of relinfo.
3443         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3444         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3445         R_386_TLS_LDO_32, adjust based on section flags.
3446         (Target_i386::Relocate::fix_up_ldo): Remove.
3447
3448 2009-10-13  Ian Lance Taylor  <iant@google.com>
3449
3450         Add support for -pie.
3451         * options.h (class General_options): Add -pie and
3452         --pic-executable.
3453         (General_options::output_is_position_independent): Test -pie.
3454         (General_options::output_is_executable): Return true if not shared
3455         and not relocatable.
3456         (General_options::output_is_pie): Remove.
3457         * options.cc (General_options::finalize): Reject incompatible uses
3458         of -pie.
3459         * gold.cc (queue_middle_tasks): A -pie link is not static.
3460         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3461         * symtab.cc (Symbol::final_value_is_known): Return false if
3462         output_is_position_independent.
3463         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3464         output_is_position_independent.
3465         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3466         output_is_position_independent.
3467         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3468         output_is_position_independent.
3469         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3470         two_file_pie_test.
3471         (basic_pie_test.o, basic_pie_test): New targets.
3472         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3473         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3474         (two_file_pie_test): New target.
3475         * testsuite/Makefile.in: Rebuild.
3476         * README: Remove note saying that -pie is not supported.
3477
3478 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3479
3480         * options.h (class General_options): Add -init and -fini.
3481         * layout.cc (Layout::finish_dynamic_section): Emit
3482         given init and fini functions.
3483
3484 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3485
3486         * gc.h (gc_process_relocs): Check if icf is enabled using new
3487         function.
3488         * gold.cc (queue_initial_tasks): Likewise.
3489         (queue_middle_tasks): Likewise.
3490         * object.cc (do_layout): Likewise.
3491         * symtab.cc (is_section_folded): Likewise.
3492         * main.cc (main): Likewise.
3493         * reloc.cc (Read_relocs::run): Likewise.
3494         (Sized_relobj::do_scan_relocs): Likewise.
3495         * icf.cc (is_function_ctor_or_dtor): New function.
3496         (Icf::find_identical_sections): Check if function is ctor or dtor when
3497         safe icf is chosen.
3498         * options.h (General_options::icf): Change option to be an enum.
3499         (Icf_status): New enum.
3500         (icf_enabled): New method.
3501         (icf_safe_folding): New method.
3502         (set_icf_status): New method.
3503         (icf_status_): New variable.
3504         * (options.cc) (General_options::finalize): Set icf_status_.
3505         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3506         icf_test and icf_keep_unique_test to use the --icf enum flag.
3507         * testsuite/icf_safe_test.sh: New file.
3508         * testsuite/icf_safe_test.cc: New file.
3509
3510 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3511
3512         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3513         includes to gc.h and icf.h.
3514         * arm.cc: Include gc.h.
3515         * gold.cc: Likewise.
3516         * i386.cc: Likewise.
3517         * powerpc.cc: Likewise.
3518         * sparc.cc: Likewise.
3519         * x86_64.cc: Likewise.
3520         * gc.h: Include icf.h.
3521
3522 2009-10-11  Ian Lance Taylor  <iant@google.com>
3523
3524         * plugin.cc: Include "gold.h" before other header files.
3525
3526 2009-10-10  Chris Demetriou  <cgd@google.com>
3527
3528         * options.h (Input_file_argument::Input_file_type): New enum.
3529         (Input_file_argument::is_lib_): Replace with...
3530         (Input_file_argument::type_): New member.
3531         (Input_file_argument::Input_file_argument): Take Input_file_type
3532         'type' rather than boolean 'is_lib' as second argument.
3533         (Input_file_argument::is_lib): Use type_.
3534         (Input_file_argument::is_searched_file): New function.
3535         (Input_file_argument::may_need_search): Handle is_searched_file.
3536         * options.cc (General_options::parse_library): Support -l:filename.
3537         (General_options::parse_just_symbols): Update for Input_file_argument
3538         changes.
3539         (Command_line::process): Likewise.
3540         * archive.cc (Archive::get_file_and_offset): Likewise.
3541         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3542         * script.cc (read_script_file, script_add_file): Likewise.
3543         * fileread.cc (Input_file::Input_file): Likewise.
3544         (Input_file::will_search_for): Handle is_searched_file.
3545         (Input_file::open): Likewise.
3546         * readsyms.cc (Read_symbols::get_name): Likewise.
3547         * testsuite/Makefile.am (searched_file_test): New test.
3548         * testsuite/Makefile.in: Regenerate.
3549         * testsuite/searched_file_test.cc: New file.
3550         * testsuite/searched_file_test_lib.cc: New file.
3551
3552 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3553             Ian Lance Taylor  <iant@google.com>
3554
3555         * descriptor.cc: Include <cstdio> and "binary-io.h".
3556         (Descriptors::open): Open the files in binary mode always.
3557         * script.cc (Lex::get_token): Treat \r as whitespace.
3558
3559 2009-10-09  Ian Lance Taylor  <iant@google.com>
3560
3561         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3562
3563 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3564             Ian Lance Taylor  <iant@google.com>
3565
3566         * configure.ac: Check for readv function also.
3567         * fileread.cc (readv): Define if not HAVE_READV.
3568         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3569         does not exist.
3570         * config.in: Regenerate.
3571         * configure: Regenerate.
3572
3573 2009-10-09  Doug Kwan  <dougkwan@google.com>
3574
3575         * layout.cc (Layout::make_output_section): Call target hook to make
3576         ordinary output section.
3577         (Layout::finalize): Adjust parameter list of call the
3578         Target::may_relax().
3579         * layout.h (class Layout::section_list): New method.
3580         * merge.h (Output_merge_base::entsize): Change visibility to public.
3581         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3582         New methods.
3583         (Output_merge_string::do_is_string): New method.
3584         * object.cc (Sized_relobj::do_setup): renamed from
3585         Sized_relobj::set_up.
3586         * object.h (Sized_relobj::adjust_shndx,
3587         Sized_relobj::initializ_input_to_output_maps,
3588         Sized_relobj::free_input_to_output_maps): Change visibilities to
3589         protected.
3590         (Sized_relobj::setup): Virtualize.
3591         (Sized_relobj::do_setup): New method declaration.
3592         (Sized_relobj::invalidate_section_offset,
3593         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3594         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3595         * options.cc (parse_int): New function.
3596         * options.h (parse_int): New declaration.
3597         (DEFINE_int): New macro.
3598         (stub_group_size): New option.
3599         * output.cc (Output_section::Output_section): Initialize memebers
3600         merge_section_map_, merge_section_by_properties_map_,
3601         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3602         (Output_section::add_input_section): Handled deferred code-fill
3603         generation and remove an old comment.
3604         (Output_section::add_relaxed_input_section): New method definition.
3605         (Output_section::add_merge_input_section): Use merge section by
3606         properties map to speed to search.  Update merge section maps
3607         as appropriate.
3608         (Output_section::build_relaxation_map): New method definition.
3609         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3610         Same.
3611         (Output_section::relax_input_section): Renamed to
3612         Output_section::convert_input_sections_to_relaxed_sections and change
3613         interface to take a vector of pointers to relaxed sections.
3614         (Output_section::find_merge_section,
3615         Output_section::find_relaxed_input_section): New method definitions.
3616         (Output_section::is_input_address_mapped,
3617         Output_section::output_offset, Output_section::output_address):
3618         Use output section data maps to speed up searching.
3619         (Output_section::find_starting_output_address): Add comments.
3620         (Output_section::do_write,
3621         Output_section::write_to_postprocessing_buffer): Do code-fill
3622         generation as appropriate.
3623         (Output_section::get_input_sections): Invalidate relaxed input section
3624         map.
3625         (Output_section::restore_states): Adjust type of checkpoint .
3626         Invalidate relaxed input section map.
3627         * output.h (Output_merge_base): New class declaration.
3628         (Input_section_specifier): New class defintion.
3629         (class Output_relaxed_input_section) Change base class to
3630         Output_section_data_build.
3631         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3632         base class initializer.
3633         (Output_section::add_relaxed_input_section): New method declaration.
3634         (Output_section::Input_section): Change visibility to protected.
3635         (Output_section::Input_section::relobj,
3636         Output_section::Input_section::shndx): Handle relaxed input sections.
3637         Output_section::input_sections) Change visibility to protected.  Also
3638         define overload to return a non-const pointer.
3639         (Output_section::Merge_section_properties): New class defintion.
3640         (Output_section::Merge_section_by_properties_map,
3641         Output_section::Output_section_data_by_input_section_map,
3642         Output_section::Relaxation_map): New types.
3643         (Output_section::relax_input_section): Rename method to
3644         Output_section::convert_input_sections_to_relaxed_sections and change
3645         interface to take a vector of relaxed section pointers.
3646         (Output_section::find_merge_section,
3647         Output_section::find_relaxed_input_section,
3648         Output_section::build_relaxation_map,
3649         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3650         New method declarations.
3651         (Output_section::merge_section_map_
3652         Output_section::merge_section_by_properties_map_,
3653         Output_section::relaxed_input_section_map_,
3654         Output_section::is_relaxed_input_section_map_valid_,
3655         Output_section::generate_code_fills_at_write_): New data members.
3656         * script-sections.cc
3657         (Output_section_element_input::set_section_addresses): Call
3658         current_data_size and addralign methods of relaxed input sections.
3659         (Orphan_output_section::set_section_addresses): Call current_data_size
3660         and addralign methods of relaxed input sections.
3661         * symtab.cc (Symbol_table::compute_final_value): Extract template
3662         from the body of Symbol_table::sized_finalize_symbol.
3663         (Symbol_table::sized_finalized_symbol): Call
3664         Symbol_table::compute_final_value.
3665         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3666         (Symbol_table::compute_final_value): New templated method declaration.
3667         * target.cc (Target::do_make_output_section): New method defintion.
3668         * target.h (Target::make_output_section): New method declaration.
3669         (Target::relax): Add more parameters for input objects, symbol table
3670         and layout.  Adjust call to do_relax.
3671         (Target::do_make_output_section): New method declaration.
3672         (Target::do_relax): Add parameters for input objects, symbol table
3673         and layout.
3674
3675 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3676
3677         * pread.c: Include stdio.h.
3678
3679 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3680
3681         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3682         defined.
3683
3684 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3685
3686         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3687         Change read_shndx type to unsigned int.
3688         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3689         int.
3690         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3691         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3692         Change read_shndx type to unsigned int.
3693         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3694         int.
3695         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3696         * layout.cc (Layout::create_symtab_sections): Cast the result of
3697         local_symcount * symsize to off_t in the gold_assert.
3698
3699 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3700
3701         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3702         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3703         R_ARM_BASE_ABS.
3704         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3705         (Arm_relocate_functions::thm_abs5): New function.
3706         (Arm_relocate_functions::abs12): New function.
3707         (Arm_relocate_functions::abs16): New function.
3708         (Arm_relocate_functions::base_abs): New function.
3709         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3710         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3711         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3712         R_ARM_BASE_ABS.
3713         (Scan::global): Likewise.
3714         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3715         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3716         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3717         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3718         R_ARM_BASE_ABS.
3719
3720 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3721
3722         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3723         (Arm_relocate_functions::movt_prel): New function.
3724         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3725         (Arm_relocate_functions::thm_movt_prel): New function.
3726         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3727         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3728         (Scan::global, Relocate::relocate): Likewise.
3729         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3730
3731 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3732
3733         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3734         Incremental_checker.
3735         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3736         unsigned int.
3737         (class Incremental_inputs_header): New class.
3738         (Incremental_inputs_header_writer): Edit comment.
3739         (Incremental_inputs_entry): New class.
3740         (Incremental_inputs_entry_writer): Edit comment.
3741         (Sized_incremental_binary::do_find_incremental_inputs_section):
3742         Add *strtab_shndx parameter, fill it.
3743         (Sized_incremental_binary::do_check_inputs): New method.
3744         (Incremental_checker::can_incrementally_link_output_file): Use
3745         Sized_incremental_binary::check_inputs.
3746         (Incremental_inputs::report_command_line): Save command line in
3747         command_line_.
3748         * incremental.h:
3749         (Incremental_binary::find_incremental_inputs_section): New
3750         method.
3751         (Incremental_binary::do_find_incremental_inputs_section): Add
3752         strtab_shndx parameter.
3753         (Incremental_binary::do_check_inputs): New pure virtual method.
3754         (Sized_incremental_binary::do_check_inputs): Declare.
3755         (Incremental_checker::Incremental_checker): Add incremental_inputs
3756         parameter, use it to initialize incremental_inputs_.
3757         (Incremental_checker::incremental_inputs_): New field.
3758         (Incremental_checker::command_line): New method.
3759         (Incremental_checker::inputs): New method.
3760         (Incremental_checker::command_line_): New field.
3761
3762 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3763
3764         * incremental.cc: Include <cstdarg> and "target-select.h".
3765         (vexplain_no_incremental): New function.
3766         (explain_no_incremental): New function.
3767         (Incremental_binary::error): New method.
3768         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3769         method.
3770         (make_sized_incremental_binary): New function.
3771         (open_incremental_binary): New function.
3772         (can_incrementally_link_file): Add checks if output is ELF and has
3773         inputs section.
3774         * incremental.h: Include "elfcpp_file.h" and "output.h".
3775         (Incremental_binary): New class.
3776         (Sized_incremental_binary): New class.
3777         (open_incremental_binary): Declare.
3778         * object.cc (is_elf_object): Use
3779         elfcpp::Elf_recognizer::is_elf_file.
3780         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3781         * output.h (Output_file::filesize): New method.
3782
3783 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3784
3785         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3786         New function.
3787         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3788         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3789         function.
3790         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3791         function.
3792         (Arm_relocate_functions::movw_abs_nc): New function.
3793         (Arm_relocate_functions::movt_abs): New function.
3794         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3795         (Arm_relocate_functions::thm_movt_abs): New function.
3796         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3797         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3798         (Scan::global): Likewise.
3799         (Relocate::relocate): Likewise.
3800         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3801
3802 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3803
3804         * arm.cc (Arm_relocate_functions::got_prel) New function.
3805         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3806         (Relocate::relocate): Likewise.
3807         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3808
3809 2009-10-06  Ian Lance Taylor  <iant@google.com>
3810
3811         * options.h (class General_options): Define
3812         split_stack_adjust_size parameter.
3813         * object.h (class Object): Add uses_split_stack_ and
3814         has_no_split_stack_ fields.  Add uses_split_stack and
3815         has_no_split_stack accessor functions.  Declare
3816         handle_split_stack_section.
3817         (class Reloc_symbol_changes): Define.
3818         (class Sized_relobj): Define Function_offsets.  Declare
3819         split_stack_adjust, split_stack_adjust_reltype, and
3820         find_functions.
3821         * object.cc (Object::handle_split_stack_section): New function.
3822         (Sized_relobj::do_layout): Call handle_split_stack_section.
3823         * dynobj.cc (Sized_dynobj::do_layout): Call
3824         handle_split_stack_section.
3825         * reloc.cc (Sized_relobj::relocate_sections): Call
3826         split_stack_adjust for executable sections in split_stack
3827         objects.  Pass reloc_map to relocate_section.
3828         (Sized_relobj::split_stack_adjust): New function.
3829         (Sized_relobj::split_stack_adjust_reltype): New function.
3830         (Sized_relobj::find_functions): New function.
3831         * target-reloc.h: Include "object.h".
3832         (relocate_section): Add reloc_symbol_changes parameter.  Change
3833         all callers.
3834         * target.h (class Target): Add calls_non_split method.  Declare
3835         do_calls_non_split virtual method.  Declare match_view and
3836         set_view_to_nop.
3837         * target.cc: Include "elfcpp.h".
3838         (Target::do_calls_non_split): New function.
3839         (Target::match_view): New function.
3840         (Target::set_view_to_nop): New function.
3841         * gold.cc (queue_middle_tasks): Give an error if mixing
3842         split-stack and non-split-stack objects with -r.
3843         * i386.cc (Target_i386::relocate_section): Add
3844         reloc_symbol_changes parameter.
3845         (Target_i386::do_calls_non_split): New function.
3846         * x86_64.cc (Target_x86_64::relocate_section): Add
3847         reloc_symbol_changes parameter.
3848         (Target_x86_64::do_calls_non_split): New function.
3849         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3850         parameter.
3851         * powerpc.cc (Target_powerpc::relocate_section): Add
3852         reloc_symbol_changes parameter.
3853         * sparc.cc (Target_sparc::relocate_section): Add
3854         reloc_symbol_changes parameter.
3855         * configure.ac: Call AM_CONDITIONAL for the default target.
3856         * configure: Rebuild.
3857         * testsuite/Makefile.am (TEST_AS): New variable.
3858         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3859         (check_DATA): Add split_i386 and split_x86_64 files.
3860         (SPLIT_DEFSYMS): Define.
3861         (split_i386_[1234n].o): New targets.
3862         (split_i386_[124]): New targets.
3863         (split_i386_[1234r].stdout): New targets.
3864         (split_x86_64_[1234n].o): New targets.
3865         (split_x86_64_[124]): New targets.
3866         (split_x86_64_[1234r].stdout): New targets.
3867         (MOSTLYCLEANFILES): Add new executables.
3868         * testsuite/split_i386.sh: New file.
3869         * testsuite/split_x86_64.sh: New file.
3870         * testsuite/split_i386_1.s: New file.
3871         * testsuite/split_i386_2.s: New file.
3872         * testsuite/split_i386_3.s: New file.
3873         * testsuite/split_i386_4.s: New file.
3874         * testsuite/split_i386_n.s: New file.
3875         * testsuite/split_x86_64_1.s: New file.
3876         * testsuite/split_x86_64_2.s: New file.
3877         * testsuite/split_x86_64_3.s: New file.
3878         * testsuite/split_x86_64_4.s: New file.
3879         * testsuite/split_x86_64_n.s: New file.
3880         * testsuite/testfile.cc (Target_test): Update relocation_section
3881         function.
3882         * testsuite/Makefile.in: Rebuild.
3883
3884 2009-10-06  Ian Lance Taylor  <iant@google.com>
3885
3886         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3887         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3888         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3889         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3890         the address on ldo_addrs_.
3891         (Target_i386::Relocate::fix_up_ldo): New function.
3892
3893 2009-10-06   Rafael Espindola  <espindola@google.com>
3894
3895         * plugin.cc (add_input_library): New.
3896         (Plugin::load): Add add_input_library to tv.
3897         (Plugin_manager::add_input_file): Add the is_lib argument.
3898         (add_input_file): Update call to Plugin_manager::add_input_file.
3899         (add_input_library): New.
3900         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3901
3902 2009-09-30  Doug Kwan  <dougkwan@google.com>
3903
3904         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3905         symbol and call Symbol::may_need_copy_reloc to determine if
3906         a copy reloc is needed.
3907         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3908         nocopyreloc is given in command line.
3909         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3910         given in command line.
3911         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3912         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3913         of the removed Target_i386::may_need_copy_reloc.
3914         * options.h (copyreloc): New option with default value false.
3915         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3916         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3917         instead of the removed Target_powerpc::may_need_copy_reloc.
3918         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3919         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3920         instead of the removed Target_sparc::may_need_copy_reloc.
3921         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3922         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3923         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3924         instead of the removed Target_x86_64::may_need_copy_reloc.
3925
3926 2009-09-30  Ian Lance Taylor  <iant@google.com>
3927
3928         * object.h (class Object): Remove target_ field, and target,
3929         sized_target, and set_target methods.
3930         (Object::sized_target): Remove.
3931         (class Sized_relobj): Update declarations.  Remove sized_target.
3932         * object.cc (Sized_relobj::setup): Remove target parameter.
3933         Change all callers.
3934         (Input_objects::add_object): Don't do anything with the target.
3935         (make_elf_sized_object): Add punconfigured parameter.  Change all
3936         callers.  Set or test parameter target.
3937         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3938         Change all callers.
3939         * parameters.cc (Parameters::set_target): Change parameter type to
3940         be non-const.
3941         (Parameters::default_target): Remove.
3942         (set_parameters_target): Change parameter type to be non-const.
3943         (parameters_force_valid_target): New function.
3944         (parameters_clear_target): New function.
3945         * parameters.h (class Parameters): Update declarations.  Remove
3946         default_target method.  Add sized_target and clear_target
3947         methods.  Change target_ to be non-const.
3948         (set_parameters_target): Update declaration.
3949         (parameters_force_valid_target): Declare.
3950         (parameters_clear_target): Declare.
3951         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3952         as NULL if we aren't searching.
3953         (Add_symbols::run): Don't check for compatible target.
3954         * fileread.cc (Input_file::open_binary): Call
3955         parameters_force_valid_target.
3956         * gold.cc (queue_middle_tasks): Likewise.
3957         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3958         set_target on object.
3959         * dynobj.h (class Sized_dynobj): Update declarations.
3960         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3961         make_elf_object returns NULL.
3962         (Archive::include_member): Don't check whether object target is
3963         compatible.
3964         * output.cc (Output_section::add_input_section): Get target from
3965         parameters.
3966         (Output_section::relax_input_section): Likewise.
3967         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3968         parameters.
3969         (Sized_relobj::do_scan_relocs): Likewise.
3970         (Sized_relobj::relocate_sections): Likewise.
3971         * resolve.cc (Symbol_table::resolve): Likewise.
3972         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3973         parameter.  Change all callers.
3974         (Symbol_table::add_from_object): Get target from parameters.
3975         (Symbol_table::add_from_relobj): Don't check object target.
3976         (Symbol_table::add_from_dynobj): Likewise.
3977         (Symbol_table::define_special_symbol): Get target from
3978         parameters.
3979         * symtab.h (class Symbol_table): Update declaration.
3980         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3981         parameter.  Change all callers.  Clear parameter target.
3982         (Binary_test): Test target here.
3983         * testsuite/object_unittest.cc (gold_testsuite): Remove
3984         target_test_pointer parameter.  Change all callers.
3985         (Object_test): Test target here.
3986
3987 2009-09-26  Ian Lance Taylor  <iant@google.com>
3988
3989         * testsuite/initpri1.c: Don't try to use constructor priorities if
3990         compiling with gcc before 4.3.
3991
3992 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3993
3994         * testsuite/retain_symbols_file_test.sh (check_present): Change
3995         output file name to retain_symbols_file_test.stdout.
3996         (check_absent): Likewise.
3997
3998 2009-09-18  Craig Silverstein  <csilvers@google.com>
3999
4000         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4001         * options.cc: Include <cerrno> and <fstream>.
4002         (General_options::finalize): Parse -retain-symbols-file tag.
4003         * options.h: New flag.
4004         (General_options): New method should_retain_symbol, new
4005         variable symbols_to_retain.
4006         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4007         should_retain_symbol map.
4008         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4009         * testsuite/Makefile.in: Regenerate.
4010         * testsuite/retain_symbols_file_test.sh: New file.
4011
4012 2009-09-18  Nick Clifton  <nickc@redhat.com>
4013
4014         * po/es.po: Updated Spanish translation.
4015
4016 2009-09-17  Doug Kwan  <dougkwan@google.com>
4017
4018         * debug.h (DEBUG_RELAXATION): New constant.
4019         (DEBUG_ALL): Add DEBUG_RELAXATION.
4020         (debug_string_to_enum): Add relaxation debug option.
4021         * layout.cc
4022         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4023         Layout::Relaxation_debug_check::read_sections,
4024         Layout::Relaxation_debug_check::read_sections): New method definitions.
4025         (Layout::Layout): Initialize data members
4026         record_output_section_data_from_scrips_,
4027         script_output_section_data_list_ and relaxation_debug_check_.
4028         (Layout::save_segments, Layout::restore_segments,
4029         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4030         Layout::relaxation_loop_body): New method definitions.
4031         (Layout::finalize): Support relaxation.  Move section layout code to
4032         Layout::relaxation_loop_body.
4033         (Layout::set_asection_address_from_script): Move code for orphan
4034         section placement out.
4035         (Layout::place_orphan_sections_in_script): New method definition.
4036         * layout.h (Output_segment_headers, Output_file_header):
4037         New forward class declarations.
4038         (Layout::~Layout): Define.
4039         (Layout::new_output_section_data_from_script): New method definition.
4040         (Layout::place_orphan_sections_in_script): New method declaration.
4041         (Layout::Segment_states): New type declaration.
4042         (Layout::save_segments, Layout::restore_segments,
4043         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4044         Layout::relaxation_loop_body): New method declarations.
4045         (Layout::Output_section_data_list): New type declaration.
4046         (Layout::Relaxation_debug_check): New class definition.
4047         (Layout::record_output_section_data_from_script_,
4048         Layout::script_output_section_data_list_, Layout::segment_states_,
4049         Layout::relaxation_debug_check_): New data members.
4050         * output.cc: (Output_section_headers::do_size): New method definition.
4051         (Output_section_headers::Output_section_headers): Move size
4052         computation to Output_section_headers::do_size.
4053         (Output_segment_headers::do_size): New method definition.
4054         (Output_file_header::Output_file_header): Move size computation to
4055         Output_file_header::do_size and call it.
4056         (Output_file_header::do_size): New method definition.
4057         (Output_data_group::Output_data_group): Adjust call to
4058         Output_section_data.
4059         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4060         (Output_symtab_xindex::do_write): Add array bound check.
4061         (Output_section::Input_section::print_to_mapfile): Handle
4062         RELAXED_INPUT_SECTION_CODE.
4063         (Output_section::Output_section): Initialize data member checkpoint_.
4064         (Output_section::~Output_section): Delete checkpoint object pointed
4065         by checkpoint_.
4066         (Output_section::add_input_section): Always add an Input_section if
4067         relaxing.
4068         (Output_section::add_merge_input_section): Add assert.
4069         (Output_section::relax_input_section): New method definition.
4070         (Output_section::set_final_data_size): Set load address to zero for
4071         an unallocated section.
4072         (Output_section::do_address_and_file_offset_have_reset_values):
4073         New method definition.
4074         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4075         Handle relaxed input section.
4076         (Output_section::sort_attached_input_sections): Checkpoint input
4077         section list lazily.
4078         (Output_section::get_input_sections): Change type of input_sections to
4079         list of Simple_input_section pointers.  Checkpoint input section list
4080         lazily.  Also handle relaxed input sections.
4081         (Output_section::add_input_section_for_script): Take a reference to
4082         a Simple_input_section object instead of Relobj pointer and section
4083         index as parameter.  Handle relaxed input sections.
4084         (Output_section::save_states, Output_section::restore_states): New
4085         method definitions.
4086         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4087         (Output_data::is_data_size_fixed): New method definition.
4088         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4089         if it is fixed.
4090         (Output_data::address_and_file_offset_have_reset_values): New method
4091         definition.
4092         (Output_data::do_address_and_file_offset_have_reset_values): New method
4093         definition.
4094         (Output_data::set_data_size): Check that data size is not fixed.
4095         (Output_data::fix_data_size): New method definition.
4096         (Output_data::is_data_size_fixed_): New data member.
4097         (Output_section_headers::set_final_data_size): New method definition.
4098         (Output_section_headers::do_size): New method declaration.
4099         (Output_segment_headers::set_final_data_size): New method definition.
4100         (Output_segment_headers::do_size): New method declaration.
4101         (Output_file_header::set_final_data_size)::New method definition.
4102         (Output_file_header::do_size)::New method declaration.
4103         (Output_section_data::Output_section_data): Add new parameter
4104         is_data_size_fixed and use it to fix data size.
4105         (Output_data_const::Output_data_const): Adjust call to base class
4106         constructor and fix data size.
4107         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4108         base class constructor and fix data size.
4109         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4110         base class constructor and fix data size.
4111         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4112         class constructor and fix data size.
4113         (Output_data_group::set_final_data_size): New method definition.
4114         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4115         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4116         class constructor and fix data size.
4117         (Output_relaxed_input_section): New class definition.
4118         (Output_section::Simple_input_section): New class definition.
4119         (Output_section::get_input_sections): Adjust parameter list.
4120         (Output_section::add_input_section_for_script): Same.
4121         (Output_section::save_states, Output_section::restore_states,
4122         Output_section::do_address_and_file_offset_have_reset_values,
4123         (Output_section::Input_section::Input_section): Handle
4124         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4125         Output_relaxed_input_section.
4126         (Output_section::Input_section::is_input_section,
4127         Output_section::Input_section::set_output_section): Handle relaxed
4128         input section.
4129         (Output_section::Input_section::is_relaxed_input_section,
4130         Output_section::Input_section::output_section_data,
4131         Output_section::Input_section::relaxed_input_section): New method
4132         definitions.
4133         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4134         value.
4135         (Output_section::Input_section::u1_): Update comments.
4136         (Output_section::Input_section::u2_): Add new union member poris.
4137         (Output_section::Checkpoint_output_section): New classs definition.
4138         (Output_section::relax_input_section): New method declaration.
4139         (Output_section::checkpoint_): New data member.
4140         (Output_segment): Update comments.
4141         (Output_segment::Output_segment): Un-privatize copy constructor.
4142         (Output_segment::operator=): Un-privatize.
4143         * script-sections.cc (Output_section_element::Input_section_list):
4144         Change element type to Output_section::Simple_input_section.
4145         (Output_section_element_dot_assignment::set_section_addresses):
4146         Register output section data for relaxation clean up.
4147         (Output_data_exression::Output_data_expression): Adjust call to base
4148         constructor to fix data size.
4149         (Output_section_element_data::set_section_addresses): Register
4150         Output_data_expression object for relaxation clean up.
4151         (struct Input_section_info): Replace Relobj pointer and section index
4152         pair with Output_section::Simple_input_section and Convert struct to a
4153         class.
4154         (Input_section_sorter::operator()): Adjust access to
4155         Input_section_info data member to use accessors.
4156         (Output_section_element_input::set_section_addresses): Use layout
4157         parameter.  Adjust code to use Output_section::Simple_input_section
4158         and Input_secction_info classes.  Register filler for relaxation
4159         clean up.
4160         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4161         and section index pair with Output_section::Simple_input_section
4162         class.  Adjust code accordingly.
4163         (Phdrs_element::release_segment): New method definition.
4164         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4165         segment list.
4166         (Script_sections::release_segments): New method definition.
4167         * gold/script-sections.h (Script_sections::release_segments): New
4168         method declaration.
4169         * gold/target.h (Target::may_relax, Target::relax,
4170         Target::do_may_relax, Target::do_relax): New method definitions.
4171
4172 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4173
4174         * arm.cc (has_signed_unsigned_overflow): New function.
4175         (Arm_relocate_functions::abs8): New function.
4176         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4177         (Target_arm::Scan::global): Likewise.
4178         (Target_arm::relocate::relocate): Likewise.
4179         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4180         Likewise.
4181
4182 2009-09-16  Cary Coutant  <ccoutant@google.com>
4183
4184         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4185         * testsuite/Makefile.in: Regenerate.
4186
4187 2009-09-11  Nick Clifton  <nickc@redhat.com>
4188
4189         * po/gold.pot: Updated by the Translation project.
4190
4191 2009-09-08  Cary Coutant  <ccoutant@google.com>
4192
4193         * output.cc (Output_file::open): Add execute permission to empty file.
4194         * testsuite/Makefile.am (permission_test): New test.
4195         * testsuite/Makefile.in: Regenerate.
4196
4197 2009-09-02  Ian Lance Taylor  <iant@google.com>
4198
4199         * output.cc (Output_file::resize): Call map_no_anonymous rather
4200         than map.
4201
4202 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4203
4204         * gold.cc: Include "incremental.h".
4205         (queue_initial_tasks): Call Incremental_checker methods.
4206         * incremental.cc: Include "output.h".
4207         (Incremental_checker::can_incrementally_link_output_file): New
4208         method.
4209         * incremental.h (Incremental_checker): New class.
4210
4211         * output.cc (Output_file::open_for_modification): New method.
4212         (Output_file::map_anonymous): Changed return type to bool.  Record
4213         map in base_ field.
4214         (Output_file::map_no_anonymous): New method, broken out of map.
4215         (Output_file::map): Use map_no_anonymous and map_anonymous.
4216         * output.h (class Output_file): Update declarations.
4217
4218 2009-08-24  Cary Coutant  <ccoutant@google.com>
4219
4220         * options.h (Command_line::Pre_options): New class.
4221         (Command_line::pre_options): New member.
4222         * options.cc (gold::options::ready_to_register): New variable.
4223         (One_option::register_option): Do nothing if not registering options.
4224         Assert if same short option registered twice.
4225         (General_options::General_options): Turn off option registration when
4226         done constructing.
4227         (Command_line::Pre_options::Pre_options): New constructor.
4228
4229 2009-08-24  Cary Coutant  <ccoutant@google.com>
4230
4231         * options.h (General_options::no_keep_memory): Remove incorrect
4232         short option.
4233
4234 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4235
4236         * Makefile.am (am__skiplex, am__skipyacc): New.
4237         * Makefile.in: Regenerate.
4238
4239 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4240
4241         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4242         (INCLUDES): ... this.
4243         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4244         (AM_CPPFLAGS): Renamed from ...
4245         (INCLUDE): ... this.
4246         * Makefile.in, testsuite/Makefile.in: Regenerate.
4247
4248         * Makefile.in: Regenerate.
4249         * aclocal.m4: Likewise.
4250         * config.in: Likewise.
4251         * configure: Likewise.
4252         * testsuite/Makefile.in: Likewise.
4253
4254         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4255         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4256         * Makefile.in: Regenerate.
4257         * testsuite/Makefile.in: Regenerate.
4258
4259 2009-08-19  Cary Coutant  <ccoutant@google.com>
4260
4261         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4262         symbols in shared libraries overridden by hidden or internal symbols
4263         in the main program.
4264
4265 2009-08-19  Chris Demetriou  <cgd@google.com>
4266
4267         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4268         checking source file names in error messages.
4269
4270 2009-08-18  Doug Kwan  <dougkwan@google.com>
4271
4272         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4273         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4274         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4275         an elfcpp::Ehdr as parameter.
4276         * object.cc (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.  Adjust call to set_target.
4280         (make_elf_sized_object): Find target and ask target to
4281         make an ELF object.
4282         * object.h: (Object::set_target): Remove the version that looks up
4283         a target and sets it.
4284         (Sized_relobj::setup): Take a Target object instead of
4285         an elfcpp:Ehdr as parameter.
4286         * target.cc: Include dynobj.h.
4287         (Target::do_make_elf_object_implementation): New.
4288         (Target::do_make_elf_object): New.
4289         * target.h (Target::make_elf_object): New template declaration.
4290         (Target::do_make_elf_object): New method declarations.
4291         (Target::do_make_elf_object_implementation): New template declaration.
4292
4293 2009-08-14  Ian Lance Taylor  <iant@google.com>
4294
4295         * gold.h (FUNCTION_NAME): Define.
4296         (gold_unreachable): Use FUNCTION_NAME.
4297
4298 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4299
4300         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4301         symbol in the --keep-unique list is not found.
4302
4303 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4304
4305         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4306         been maked as --keep-unique.
4307         (Icf::unfold_section): New function.
4308         * icf.h (Icf::unfold_section): New function.
4309         * options.h (General_options::keep_unique): New option.
4310         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4311         * testsuite/Makefile.in: Regenerate.
4312         * testsuite/icf_keep_unique_test.sh: New file.
4313         * testsuite/icf_keep_unique_test.cc: New file.
4314
4315 2009-08-12  Cary Coutant  <ccoutant@google.com>
4316
4317         PR 10471
4318         * resolve.cc (Symbol_table::resolve): Check for references from
4319         dynamic objects to hidden and internal symbols.
4320         * testsuite/Makefile.am (hidden_test.sh): New test.
4321         * testsuite/Makefile.in: Regenerate.
4322         * testsuite/hidden_test.sh: New script.
4323         * testsuite/hidden_test_1.c: New test source.
4324         * testsuite/hidden_test_main.c: New test source.
4325
4326 2009-08-11  Doug Kwan  <dougkwan@google.com>
4327
4328         * arm.cc: Update comments.
4329         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4330         segment to locate the .ARM.exidx section if present.
4331
4332 2009-08-09  Doug Kwan  <dougkwan@google.com>
4333
4334         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4335         patch.
4336
4337 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4338         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4339         compiler warnings.
4340
4341 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4342
4343         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4344         valid tls_segment only for non-debug-section relocations.
4345         * testsuite/Makefile.am: Add gc_tls_test.
4346         * testsuite/Makefile.in: Regenerate.
4347         * testsuite/gc_tls_test.cc: New file.
4348         * testsuite/gc_tls_test.sh: New file.
4349
4350 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4351
4352         * icf.cc: New file.
4353         * icf.h: New file.
4354         * Makefile.am (CCFILES): Add icf.cc.
4355         (HFILES): Add icf.h
4356         * Makefile.in: Regenerate.
4357         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4358         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4359         section, symbol and addend information for the relocs.
4360         * gold.cc (queue_middle_tasks): Call identical code folding.
4361         * gold.h: Add defines for multimap.
4362         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4363         to the call of finalize_local_symbols.
4364         * main.cc (main): Create object of class Icf.
4365         * object.cc (Sized_relobj::do_layout): Allow this function to be
4366         called twice during icf.
4367         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4368         to sections marked as identical by icf.
4369         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4370         when available.
4371         (Sized_relobj::do_section_entsize): New function.
4372         * object.h (Object::section_entsize): New function.
4373         (Object::do_section_entsize): New pure virtual function.
4374         (Relobj::finalize_local_symbols): Add new parameter.
4375         (Relobj::do_section_entsize): New function.
4376         * options.h (General_options::icf): New option.
4377         (General_options::icf_iterations): New option.
4378         (General_options::print_icf_sections): New option.
4379         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4380         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4381         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4382         icf.
4383         * symtab.cc (Symbol_table::is_section_folded): New function.
4384         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4385         to sections marked as identical by icf.
4386         * symtab.h (Symbol_table::set_icf): New function.
4387         (Symbol_table::icf): New function.
4388         (Symbol_table::is_section_folded): New function.
4389         (Symbol_table::icf_): New data member.
4390         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4391         * testsuite/Makefile.am: Add commands to build icf_test.
4392         * testsuite/Makefile.in: Regenerate.
4393         * testsuite/icf_test.sh: New file.
4394         * testsuite/icf_test.cc: New file.
4395
4396 2009-07-24  Chris Demetriou  <cgd@google.com>
4397
4398         * layout.cc (is_compressible_debug_section): Fix incorrect
4399         comment about compressed section names.
4400
4401 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4402
4403         PR 10419
4404         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4405
4406 2009-07-16  Ian Lance Taylor  <iant@google.com>
4407
4408         PR 10400
4409         * layout.h: #include <map>.
4410         (class Kept_section): Change from struct to class.  Add accessors
4411         and setters.  Add section size to Comdat_group mapping.  Change
4412         Comdat_group to std::map.  Add is_comdat_ field.  Add
4413         linkonce_size field in union.
4414         (class Layout): Update declaration of find_or_add_kept_section.
4415         Don't declare find_kept_object.
4416         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4417         parameter.  Add object, shndx, is_comdat, and is_group_name
4418         parameters.  Change all callers.  Adjust for new Kept_section.
4419         (Layout::find_kept_object): Remove.
4420         * object.cc (Sized_relobj::include_section_group): Update use of
4421         Kept_section.  Rename secnum to shndx.  Only record
4422         Kept_comdat_section if sections are the same size.
4423         (Sized_relobj::include_linkonce_section): Update use of
4424         Kept_section.  Only record Kept_comdat_section if sections are the
4425         same size.  Set size of linkonce section.
4426         (Sized_relobj::map_to_kept_section): Update call to
4427         get_kept_comdat_section.
4428         * object.h (class Sized_relobj): Rename fields in
4429         Kept_comdat_section to drop trailing underscores; change object
4430         field to Relobj*.  Change Kept_comdat_section_table to store
4431         struct rather than pointer.
4432         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4433         Add kept_object and kept_shndx parameters.  Change all callers.
4434         (Sized_relobj::get_kept_comdat_section): Change return type to
4435         bool.  Add kept_object and kept_shndx parameters.  Change all
4436         callers.
4437         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4438         Layout::find_or_add_kept_section.
4439
4440 2009-07-09  Ian Lance Taylor  <iant@google.com>
4441
4442         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4443         Reserve space in the hash table.
4444
4445 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4446
4447         * fileread.cc (File_read::get_mtime): New method.
4448         * fileread.h (Timespec): New structure.
4449         (File_read::get_mtime): New method.
4450         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4451         Renamed from timestamp_nsec.
4452         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4453         Elf_Xword.
4454         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
4455         timestamp_nsec.
4456         (Incremental_inputs::report_archive): Save mtime; style fix.
4457         (Incremental_inputs::report_obejct): Save mtime; style fix.
4458         (Incremental_inputs::report_script): Save mtime; style fix.
4459         (Incremental_inputs::finalize_inputs): Style fix.
4460         (Incremental_inputs::finalize): Style fix.
4461         (Incremental_inputs::create_input_section_data): Store inputs
4462         mtime.
4463         * incremental.h (Incremental_inputs::report_script): Add mtime
4464         argument.
4465         (Incremental_inputs::Input_info::Input_info): Intialize only one
4466         union member.
4467         (Incremental_inputs::Input_info::archive): Move to nameless
4468         union.
4469         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4470         (Incremental_inputs::Input_info::script): Move to nameless union.
4471         (Incremental_inputs::mtime): New field.
4472         * script.cc (read_input_script): Pass file mtime to
4473         Incremental_input.
4474         * script.h (Script_info::inputs): Style fix.
4475
4476 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4477
4478         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4479         instead of 32.
4480
4481 2009-06-24  Ian Lance Taylor  <iant@google.com>
4482
4483         PR 10156
4484         * layout.cc (Layout::choose_output_section): If we find an
4485         existing section, update the flags.
4486         (Layout::create_notes): New function, broken out of
4487         Layout::finalize.
4488         (Layout::finalize): Don't create note sections.
4489         (Layout::create_note): Don't crash if linker script discards
4490         section.
4491         (Layout::create_gold_note): Likewise.
4492         (Layout::create_build_id): Likewise.  Don't set
4493         after_input_sections on the section.
4494         (Layout::create_executable_stack_info): Remove target parameter.
4495         Change caller.
4496         * layout.h (class Layout): Declare create_notes.  Update
4497         declaration of create_executable_stack_info.
4498         * gold.cc (queue_middle_tasks): Call create_notes.
4499         * output.cc (Output_section::update_flags_for_input_section): Move
4500         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4501         invalid.
4502         * output.h (Output_data::mark_address_invalid): New function.
4503         (class Output_section): Only declare, not define,
4504         update_flags_for_input_section.  Remove set_flags.
4505
4506 2009-06-24  Ian Lance Taylor  <iant@google.com>
4507
4508         * script-sections.cc (Output_section_definition::
4509         set_section_addresses): Rename shadowing local load_address to
4510         laddr.
4511
4512 2009-06-24  Ian Lance Taylor  <iant@google.com>
4513
4514         PR 10244
4515         * reloc.cc (relocate_sections): Skip empty relocation sections.
4516
4517 2009-06-23  Ian Lance Taylor  <iant@google.com>
4518
4519         PR 10156
4520         * layout.cc (Layout::create_note): Use choose_output_section
4521         rather than make_output_section.
4522
4523 2009-06-23  Ian Lance Taylor  <iant@google.com>
4524
4525         PR 10237
4526         * options.cc (General_options::parse_V): Set printed_version_.
4527         (General_options::General_options): Initialize printed_version_.
4528         * options.h (class General_options): Add printed_version_ field.
4529         * gold.cc (queue_initial_tasks): If there are no input files,
4530         don't give a fatal error if we printed the version information.
4531         (queue_middle_tasks): If using -r with a shared object, give a
4532         fatal error rather than an ordinary error.
4533
4534 2009-06-23  Ian Lance Taylor  <iant@google.com>
4535
4536         PR 10219
4537         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4538         (Layout::make_output_section): Set have_stabstr_section_ if we see
4539         a .stab*str section.
4540         (Layout::finalize): Call link_stabs_sections.
4541         (Layout::link_stabs_sections): New file.
4542         * layout.h (class Layout): Add have_stabstr_section_ field.
4543         Declare link_stabs_sections.
4544
4545 2009-06-23  Doug Kwan  <dougkwan@google.com>
4546
4547         * Makefile.am (libgold_a_LIBADD): New.
4548         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4549         * Makefile.in: Regenerate.
4550         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4551         * configure: Regenerate.
4552         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4553         * fileread.cc: Include sys/state.h
4554         * gold.h: Declare memmem and strndup if found missing.
4555         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4556
4557 2009-06-23  Ian Lance Taylor  <iant@google.com>
4558
4559         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4560         * configure: Rebuild.
4561
4562 2009-06-23  Ian Lance Taylor  <iant@google.com>
4563
4564         PR 10147
4565         * object.cc (Object::section_contents): Don't try to get a view if
4566         the section has length zero.
4567         (Object::handle_gnu_warning_section): If the section is empty, use
4568         the name of the section as the warning.
4569
4570 2009-06-23  Ian Lance Taylor  <iant@google.com>
4571
4572         PR 10133
4573         * stringpool.h (class Stringpool_template): Add optimize_ field.
4574         (Stringpool_template::set_optimize): New function.
4575         * stringpool.cc (Stringpool_template::Stringpool_template):
4576         Initialize optimize_ field.
4577         (Stringpool_template::set_string_offsets): Test local optimize
4578         fild rather than parameter.
4579         * layout.cc (Layout::Layout): Call set_optimize on the section
4580         name stringpool.
4581
4582 2009-06-22  Ian Lance Taylor  <iant@google.com>
4583
4584         PR 10030
4585         * yyscript.y: Parse TARGET.
4586         * script.cc (script_set_target): New function.
4587         * script-c.h (script_set_target): Declare.
4588         * options.cc (General_options::string_to_object_format): Rename
4589         from string_to_object_format in anonymous namespace.  Change
4590         callers.
4591         * options.h (class General_options): Declare
4592         string_to_object_format.
4593
4594 2009-06-22  Ian Lance Taylor  <iant@google.com>
4595
4596         * script-sections.cc (Script_sections::create_segments): Don't put
4597         program headers in a PT_LOAD segment if -n or -N.
4598
4599 2009-06-22  Ian Lance Taylor  <iant@google.com>
4600
4601         PR 10141
4602         * options.h (class General_options): Add -z lazy and -z now.  Sort
4603         -z options into alphabetical order.
4604         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4605
4606 2009-06-21  Ian Lance Taylor  <iant@google.com>
4607
4608         * layout.cc (Layout::make_output_section): Call
4609         Target::new_output_section.
4610         (Layout::attach_allocated_section_to_segment): Put large section
4611         sections in a separate load segment with the large segment flag
4612         set.
4613         (Layout::segment_precedes): Sort large data segments after other
4614         load segments.
4615         (align_file_offset): New static function.
4616         (Layout::set_segment_offsets): Use align_file_offset.
4617         * output.h (class Output_section): Add is_small_section_ and
4618         is_large_section_ fields.
4619         (Output_section::is_small_section): New function.
4620         (Output_section::set_is_small_section):  New function.
4621         (Output_section::is_large_section): New function.
4622         (Output_section::set_is_large_section): New function.
4623         (Output_section::is_large_data_section): New function.
4624         (class Output_segment): Add is_large_data_segment_ field.
4625         (Output_segment::is_large_data_segment): New function.
4626         (Output_segment::set_is_large_data_segment): New function.
4627         * output.cc (Output_section::Output_section): Initialize new
4628         fields.
4629         (Output_segment::Output_segment): Likewise.
4630         (Output_segment::add_output_section): Add assertion that large
4631         data sections always go in large data segments.  Force small data
4632         sections to the end of the list of data sections.  Force small BSS
4633         sections to the start of the list of BSS sections.  For large BSS
4634         sections to the end of the list of BSS sections.
4635         * symtab.h (class Symbol): Declare is_common_shndx.
4636         (Symbol::is_defined): Check Symbol::is_common_shndx.
4637         (Symbol::is_common): Likewise.
4638         (class Symbol_table): Define enum Commons_section_type.  Update
4639         declarations.  Add small_commons_ and large_commons_ fields.
4640         * symtab.cc (Symbol::is_common_shndx): New function.
4641         (Symbol_table::Symbol_table): Initialize new fields.
4642         (Symbol_table::add_from_object): Put small and large common
4643         symbols in the right list.
4644         (Symbol_table::sized_finalized_symbol): Check
4645         Symbol::is_common_shndx.
4646         (Symbol_table::sized_write_globals): Likewise.
4647         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4648         common symbol lists.  Don't call do_allocate_commons_list if the
4649         list is empty.
4650         (Symbol_table::do_allocate_commons_list): Remove is_tls
4651         parameter.  Add comons_section_type parameter.  Change all
4652         callers.  Handle small and large common symbols.
4653         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4654         Symbol::is_common_shndx.
4655         * resolve.cc (symbol_to_bits): Likewise.
4656         * target.h (Target::small_common_shndx): New function.
4657         (Target::small_common_section_flags): New function.
4658         (Target::large_common_shndx): New function.
4659         (Target::large_common_section_flags): New function.
4660         (Target::new_output_section): New function.
4661         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4662         small_common_section_flags, and large_common_section_flags
4663         fields.
4664         (Target::do_new_output_section): New virtual function.
4665         * arm.cc (Target_arm::arm_info): Initialize new fields.
4666         * i386.cc (Target_i386::i386_info): Likewise.
4667         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4668         Likewise.
4669         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4670         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4671         (Target_x86_64::do_new_output_section): New function.
4672         * configure.ac: Define conditional MCMODEL_MEDIUM.
4673         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4674         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4675         (large_LDFLAGS): Define.
4676         * testsuite/large.c: New file.
4677         * testsuite/testfile.cc (Target_test::test_target_info):
4678         Initialize new fields.
4679         * configure, testsuite/Makefile.in: Rebuild.
4680
4681 2009-06-05  Doug Kwan  <dougkwan@google.com>
4682
4683         * Makefile.am (CCFILES): Add target.cc.
4684         * Makefile.in: Regenerate.
4685         * i386.cc (class Target_i386): Define new virtual method to
4686         override do_is_local_label_name in parent.
4687         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4688         local symbols if --discard-locals or -X is given.
4689         * options.h (class General_options): Declare new options
4690         '--discard-locals' and '-X' for discarding locals.
4691         * target.h (class Target): Define new methods is_local_label_name.
4692         Declare new virtual method do_is_local_label_name.
4693         * target.cc: New file.
4694         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4695         (check_SCRIPTS): Add discard_locals_test.sh.
4696         (check_DATA): Add discard_local_tests.syms.
4697         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4698         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4699         * testsuite/Makefile.in: Regenerate.
4700         * testsuite/discard_locals_test.c: New file.
4701         * testsuite/discard_locals_test.sh: Same.
4702
4703 2009-06-05  Doug Kwan  <dougkwan@google.com>
4704
4705         * object.cc (Sized_relobj::Sized_relobj): Initialize
4706         discarded_eh_frame_shndx_ to -1U.
4707         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4708         section.
4709         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4710         a discarded .eh_frame section.
4711         (Sized_relobj::do_finalize_local_symbols): Ditto.
4712         * object.h (class Sized_relobj): Declare new member
4713         discarded_eh_frame_shndx_.
4714         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4715         (local_labels_test.o, local_labels_test): New rules.
4716         * testsuite/Makefile.in: Regenerate.
4717
4718 2009-06-04  Doug Kwan  <dougkwan@google.com>
4719
4720         * layout.cc (Layout::section_name_mapping): Add mapping for
4721         special ARM sections.
4722
4723 2009-06-03  Doug Kwan  <dougkwan@google.com>
4724
4725         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4726         (utils::has_overflow): Same.
4727
4728 2009-06-03  Ian Lance Taylor  <iant@google.com>
4729
4730         * layout.cc (Layout::section_name_mapping): New array, replacing
4731         Layout::linkonce_mapping.
4732         (Layout::section_name_mapping_count): New variable, replacing
4733         Layout::linkonce_mapping_count.
4734         (Layout::linkonce_output_name): Remove.
4735         (Layout::output_section_name): Rewrite.
4736         * layout.h (class Layout): Rename Linkonce_mapping to
4737         Section_name_mapping, linkonce_mapping to section_name_mapping,
4738         linkonce_mapping_count to section_name_mapping_count.  Don't
4739         declare linkonce_output_name.
4740
4741 2009-06-03  Doug Kwan  <dougkwan@google.com>
4742
4743         * gold/arm.cc (namespace utils): New.
4744         (Target_arm::reloc_is_non_pic): Define new method.
4745         (class Arm_relocate_functions): New.
4746         (Target_arm::Relocate::relocate): Handle relocation types used by
4747         Android.
4748
4749 2009-06-03  Ian Lance Taylor  <iant@google.com>
4750
4751         * arm.cc (Target_arm::scan::global): Use || instead of |.
4752
4753 2009-06-02  Doug Kwan  <dougkwan@google.com>
4754
4755         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4756         issued_non_pic_error_.
4757         (class Target_arm::Scan): Declare new method check_non_pic.
4758         Define new method symbol_needs_plt_entry.
4759         Declare new data member issued_non_pic_error_.
4760         (class Target_arm::Relocate): Declare new method
4761         should_apply_static_reloc.
4762         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4763         (Target_arm::Scan::check_non_pic): Define new method.
4764         (Target_arm::Scan::local): Handle a small subset of reloc types used
4765         by Android.
4766         (Target_arm::Scan::local): Same.
4767         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4768
4769 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4770
4771         * incremental.cc (Incremental_inputs::report_command_line): Filter
4772         out --incremental-* options.
4773
4774 2009-05-29  Doug Kwan  <dougkwan@google.com>
4775
4776         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4777         template class.
4778         (class Target_arm): Update comment.
4779         (Target_arm::Target_arm): Initialize new data members GOT_,
4780         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4781         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4782         and Target_arm::rel_dyn_section.
4783         Declare new_enum Target_arm::Got_type.
4784         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4785         and DYNBSS_.
4786         Update commments for member do_dynsym_value.
4787         (Target_arm::got_size, Target_arm::plt_section,
4788         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4789         new methods inside class defintion.
4790         (Target_arm::got_section): Define new method.
4791         (Target_arm::rel_dyn_section): Same.
4792         (Output_data_plt_arm): New template class.
4793         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4794         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4795         (Output_data_plt_arm::add_entry): Same.
4796         (Output_data_plt_arm::first_plt_entry): Define new
4797         static data member for PLT instruction template.
4798         (Output_data_plt_arm::plt_entry): Same.
4799         (Output_data_plt_arm::do_write): Define new method.
4800         (Target_arm::make_plt_entry): Same.
4801         (Target_arm::do_finalize_sections): Same.
4802         (Target_arm::do_dynsym_value): Same.
4803
4804 2009-05-28  Doug Kwan  <dougkwan@google.com>
4805
4806         * Makefile.am (TARGETSOURCES): Add arm.cc.
4807         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4808         * Makefile.in: Regenerate.
4809         * arm.cc: New file.
4810         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4811
4812 2009-05-26  Doug Kwan  <dougkwan@google.com>
4813
4814         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4815         (General_options::check_excluded_libs): Strip off directories in
4816         archive name before matching like GNU ld does.
4817         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4818         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4819         (exclude_libs_test_LDFLAGS): Add linker option
4820         -Wl,--exclude-libs,libexclude_libs_test_3
4821         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4822         an explicit archive without using -l.
4823         (alt/libexclude_libs_test_3.a): New make rule.
4824         * testsuite/Makefile.in: Regenerate.
4825         * testsuite/exclude_libs_test.c : Declare lib3_default().
4826         (main): Call it.
4827         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4828         * exclude_libs_test_3.c: New file.
4829
4830 2009-05-26  Nick Clifton  <nickc@redhat.com>
4831
4832         * po/id.po: New Indonesian translation.
4833         * po/gold.pot: Updated template file.
4834
4835 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4836
4837         * testsuite/Makefile.am: Add -ffunction-sections to compile
4838         gc_comdat_test files.  Add -Wl,--gc-sections to build
4839         gc_comdat_test.
4840         * testsuite/Makefile.in: Regenerate.
4841         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4842
4843 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4844
4845         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4846         kept comdat section was garbage collected.
4847         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4848         * testsuite/Makefile.in: Regenerate.
4849         * testsuite/gc_comdat_test.sh: New file.
4850         * testsuite/gc_comdat_test_1.cc: New file.
4851         * testsuite/gc_comdat_test_2.cc: New file.
4852
4853 2009-05-19  Doug Kwan  <dougkwan@google.com>
4854
4855         * archive.cc (Archive::Archive): Move constructor from archive.h
4856         to here.  Initialize no_export_.
4857         (Archive::get_elf_object_for_member): Set no_export flag of object.
4858         * archive.h (Archive::Archive): Move constructor body to
4859         archive.cc.
4860         (Archive::no_export): New method.
4861         (Archive::no_export_): New field.
4862         * object.h (Object::Object): Initialize no_export_ to false.
4863         (Object::no_export, Object::set_no_export): New methods.
4864         (Object::no_export_): New field.
4865         * options.cc (General_options::parse_exclude_libs): New method.
4866         (General_options::check_excluded_libs) Same.
4867         * options.h (exclude_libs): New option.
4868         (General_options::check_excluded_libs): New method declaration.
4869         (General_options::excluded_libs_): New field.
4870         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4871         default or protected visibility if an object has no-export flag set.
4872         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4873         (check_SCRIPTS): Add exclude_libs_test.sh.
4874         (check_DATA): Add exclude_libs_test.syms.
4875         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4876         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4877         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4878         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4879         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4880         libexclude_libs_test_2.a): New rules.
4881         * testsuite/Makefile.in: Regenerate.
4882         * testsuite/exclude_libs_test.c: New file.
4883         * testsuite/exclude_libs_test.sh: Ditto.
4884         * testsuite/exclude_libs_test_1.c: Ditto.
4885         * testsuite/exclude_libs_test_2.c: Ditto.
4886
4887 2009-05-15  Ian Lance Taylor  <iant@google.com>
4888
4889         * configure.ac: Check for declarations for cases where libiberty.h
4890         checks HAVE_DECL_xxx.
4891         * configure, config.in: Rebuild.
4892
4893 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4894
4895         * gold.h (Incremental_argument_list): Remove (invalid) forward
4896         declaration.
4897         * incremental.cc (Incremental_inputs::report_achive): New method.
4898         (Incremental_inputs::report_object): New method.
4899         (Incremental_inputs::report_script): New method.
4900         (Incremental_inputs::finalize_inputs): New method.
4901         (Incremental_inputs::finalize): Call finalize_inputs().
4902         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4903         Create inputs entries.
4904         * incremental.h (Incremental_input_type): New enum.
4905         (Incremental_inputs::Incremental_input): Initialize new fields.
4906         (Incremental_inputs::report_inputs): New method.
4907         (Incremental_inputs::report_achive): New method.
4908         (Incremental_inputs::report_object): New method.
4909         (Incremental_inputs::report_script): New method.
4910         (Incremental_inputs::finalize_inputs): New method.
4911         (Incremental_inputs::Input_info): New struct.
4912         (Incremental_inputs::Input_info_map): New typedef.
4913         (Incremental_inputs::lock_): New field.
4914         (Incremental_inputs::Inputs_): New field.
4915         (Incremental_inputs::Inputs_map): New field.
4916         * main.cc (main): Call Incremental_input::report_inputs.
4917         * options.h (Input_argument_list): Typedef moved from
4918         Input_arguments.
4919         (Input_file_group::Files): Remove, use ::Input_argument_list.
4920         (Input_file_group::Input_argument_list): Remove, use
4921         ::Input_argument_list.
4922         * plugin.cc (Plugin_manager::add_input_file): Add error in
4923         incremental build.
4924         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4925         functions.
4926         * script.cc (read_input_script): Call
4927         Incremental_input::report_script.
4928         * script.h (Script_info): New class.
4929
4930 2009-04-27  Ian Lance Taylor  <iant@google.com>
4931
4932         * x86_64.cc (do_adjust_output_section): Set entsize to
4933         plt_entry_size.
4934
4935 2009-04-23  Elliott Hughes  <enh@google.com>
4936
4937         * output.cc (Output_file::close): After short writes, continue
4938         writing from the correct offset in the buffer being written.
4939
4940 2009-04-23  Chris Demetriou  <cgd@google.com>
4941
4942         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4943         * configure: Regenerate.
4944         * config.in: Regenerate.
4945         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4946         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4947
4948 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4949
4950         * incremental.cc (Incremental_inputs_header_data): Renamed from
4951         Incremental_input_header_data.
4952         (Incremental_inputs_header_data::data_size): New field.
4953         (Incremental_inputs_header_data::put_input_file_count): Renamed
4954         from input_file_count.
4955         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4956         from command_line_offset.
4957         (Incremental_inputs_header_data::put_reserved): Renamed from
4958         put_reserved.
4959         (Incremental_inputs_entry_data): Renamed from
4960         Incremental_input_entry_data.
4961         (Incremental_inputs_entry_data::data_size): New field.
4962         (Incremental_inputs::report_command_line): New method.
4963         (Incremental_inputs::finalize): New method.
4964         (Incremental_inputs::create_incremental_inputs_data): New method.
4965         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4966         * incremental.h: New file.
4967         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4968        (Layout::finalize): Create incremental inputs section in
4969         incremental builds.
4970        (Layout::create_incremental_info_sections): New method.
4971         * layout.h (Layout::incremental_inputs): New method.
4972        (Layout::create_incremental_info_sections): New method.
4973        (Layout::incremental_inputs_): New field.
4974         * main.cc (main): Notify Incremental_input of the command line.
4975
4976 2009-04-01  Ian Lance Taylor  <iant@google.com>
4977             Mikolaj Zalewski  <mikolajz@google.com>
4978
4979         * gold.h (reserve_unordered_map): Define, three versions, one for
4980         each version of Unordered_map.
4981         * layout.cc (Layout::Layout): Remove options parameter.  Add
4982         number_of_input_files parameter.  Don't initialize options_.
4983         Initialize number_of_input_files_ and resized_signatures_.  Move
4984         sections_are_attached_.
4985         (Layout::layout_group): Reserve space for group_signatures_.
4986         (Layout::find_or_add_kept_section): Change name parameter to be a
4987         reference.  Resize signatures_ map when it gets large enough.
4988         (Layout::layout_eh_frame): Use parameters->options() instead of
4989         this->options_.
4990         (Layout::make_output_section): Likewise.
4991         (Layout::attach_allocated_section_to_segment): Likewise.
4992         (Layout::finalize, Layout::create_executable_stack): Likewise.
4993         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4994         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4995         * layout.h (class Layout): Update declarations.  Remove options_
4996         field.  Add number_of_input_files_ and resized_signatures_
4997         fields.  Move sections_are_attached_ field.
4998         * main.cc (main): Pass number of input files to Layout
4999         constructor.  Don't pass options.
5000
5001 2009-03-30  Ian Lance Taylor  <iant@google.com>
5002
5003         * ffsll.c (ffsll): Correct implementation.
5004
5005 2009-03-27  Ian Lance Taylor  <iant@google.com>
5006
5007         * ffsll.c: New file.
5008         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5009         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5010         * ftruncate.c (ftruncate): Declare before definition.
5011         * mremap.c (mremap): Likewise.
5012         * pread.c (pread): Likewise.
5013         * configure, Makefile.in, config.in: Rebuild.
5014
5015         * mremap.c: New file.
5016         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5017         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5018         (mremap): Declare if HAVE_MREMAP is not defined.
5019         * configure, Makefile.in, config.in: Rebuild.
5020
5021 2009-03-27  Cary Coutant  <ccoutant@google.com>
5022
5023         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5024         position independent.
5025         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5026         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5027
5028 2009-03-24  Cary Coutant  <ccoutant@google.com>
5029
5030         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5031         an executable.
5032         (needs_dynamic_reloc): Likewise.
5033
5034 2009-03-24  Ian Lance Taylor  <iant@google.com>
5035
5036         * yyscript.y (file_cmd): Recognize EXTERN.
5037         (extern_name_list, extern_name_list_body): New nonterminals.
5038         * script.cc (script_add_extern): Define.
5039         * script-c.h (script_add_extern): Declare.
5040
5041 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5042
5043         * object.cc (is_elf_object): Define.
5044         * object.h (is_elf_object): Declare.
5045         * archive.cc (Archive::get_elf_object_for_member): Call
5046         is_elf_object.
5047         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5048
5049 2009-03-24  Elliott Hughes  <enh@google.com>
5050
5051         * output.cc (Output_file::map_anonymous): Define.
5052         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5053         try an anonymous one.  Report the size if the mmap fails.
5054         * output.h (class Output_file): Declare map_anonymous.
5055
5056 2009-03-24  Ian Lance Taylor  <iant@google.com>
5057
5058         * target-select.cc (instantiate_target): Don't acquire the lock if
5059         the instantiated_target_ field has already been set.
5060
5061 2009-03-23  Ian Lance Taylor  <iant@google.com>
5062
5063         * gold-threads.h (class Initialize_lock): Define.
5064         * gold-threads.cc (class Initialize_lock_once): Define.
5065         (initialize_lock_control): New static variable.
5066         (initialize_lock_pointer): New static variable.
5067         (initialize_lock_once): New static function.
5068         (Initialize_lock::Initialize_lock): Define.
5069         (Initialize_lock::initialize): Define.
5070         * target-select.h: Include "gold-threads.h".
5071         (class Target_selector): Add lock_ and initialize_lock_ fields.
5072         Don't define instantiate_target, just declare it.
5073         * target-select.cc (Target_selector::Target_selector): Initialize
5074         new fields.
5075         (Target_selector::instantiate_target): Define.
5076         * descriptors.h: Include "gold-threads.h".
5077         (class Descriptors): Add initialize_lock_ field.
5078         * descriptors.cc (Descriptors::Descriptors): Initialize new
5079         field.
5080         (Descriptors::open): Use initialize_lock_ field
5081         * errors.h (class Errors): Add initialize_lock_ field.
5082         * errors.cc (Errors::Errors): Initialize new field.
5083         (Errors::initialize_lock): Use initialize_lock_ field.
5084         * powerpc.cc (class Target_selector_powerpc): Remove
5085         instantiated_target_ field.  In do_recognize call
5086         instantiate_target rather than do_instantiate_target.  In
5087         do_instantiate_target just allocate a new target.
5088         * sparc.cc (class Target_selector_sparc): Likewise.
5089
5090         * freebsd.h: New file.
5091         * i386.cc: Include "freebsd.h".
5092         (Target_i386): Derive from Target_freebsd rather than
5093         Sized_target.
5094         (Target_selector_i386): Derive from Target_selector_freebsd rather
5095         than Target_selector.
5096         * x86_64.cc: Include "freebsd.h".
5097         (Target_x86_64): Derive from Target_freebsd rather than
5098         Sized_target.
5099         (Target_selector_x86_64): Derive from Target_selector_freebsd
5100         rather than Target_selector.
5101         * target.h (class Target): Add adjust_elf_header and
5102         do_adjust_elf_header.
5103         * output.cc (Output_file_header:: do_sized_write): Call target
5104         adjust_elf_header routine.
5105         * configure.tgt: Set targ_osabi.
5106         * configure.ac: Define GOLD_DEFAULT_OSABI.
5107         * parameters.cc (Parameters::default_target): Pass
5108         GOLD_DEFAULT_OSABI to select_target.
5109         * target-select.h (class Target_selector): Make instantiate_target
5110         protected rather than private.
5111         * Makefile.am (HFILES): Add freebsd.h.
5112         * configure, Makefile.in, config.in: Rebuild.
5113
5114         * merge.cc (do_add_input_section): Correct pend value.  Change
5115         message about last entry not being null terminated from error to
5116         warning.
5117
5118 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5119
5120         * incremental.cc: New file.
5121         * Makefile.am (CCFILES): Add incremental.cc.
5122         * Makefile.in: Rebuild.
5123
5124 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5125
5126         * layout.cc (Layout::output_section_name): Preserve names
5127         of '.note.' sections.
5128
5129 2009-03-19  Ian Lance Taylor  <iant@google.com>
5130
5131         * descriptors.cc (Descriptors::open): Check that the options are
5132         valid before using them.
5133
5134 2009-03-18  Ian Lance Taylor  <iant@google.com>
5135
5136         * script-sections.h: Include <list>.
5137         (class Script_sections): Change Sections_elements from std::vector
5138         to std::list.  Typedef public Elements_iterator.  Add
5139         orphan_section_placement_, data_segment_align_start_, and
5140         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5141         field.
5142         * script-sections.cc (class Orphan_section_placement): New class.
5143         (class Sections_element): Add virtual functions is_relro and
5144         orphan_section_init.  Remove virtual function place_orphan_here.
5145         (class Output_section_definition): Add is_relro and
5146         orphan_section_init.  Remove place_orphan_here.
5147         (class Orphan_output_section): Likewise.
5148         (Script_sections::Script_sections): Update for field changes.
5149         (Script_sections::data_segment_align): Set saw_data_segment_align_
5150         and data_segment_align_start_, not data_segment_align_index.
5151         (Script_sections::data_segment_relro_end): Check
5152         saw_data_segment_align_.  Use data_segment_align_start_ rather
5153         than data_segment_align_index_.
5154         (Script_sections::place_orphan): Rewrite to use
5155         Orphan_section_placement.
5156
5157 2009-03-17  Ian Lance Taylor  <iant@google.com>
5158
5159         * archive.cc (Archive::add_symbols): Check for a version attached
5160         to the symbol name in the archive map.
5161         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5162         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5163         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5164         (ver_test_11.a): New target.
5165         * testsuite/Makefile.in: Rebuild.
5166
5167         * configure.ac: Check for chsize and posix_fallocate.  Replace
5168         ftruncate.
5169         * ftruncate.c: New file, from gnulib.
5170         * output.cc (posix_fallocate): Define dummy version if not
5171         HAVE_POSIX_FALLOCATE.
5172         (Output_file::map): Call posix_fallocate rather than lseek and
5173         write.
5174         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5175         * configure, Makefile.in, config.in: Rebuild.
5176
5177 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5178
5179         * layout.h (Layout::create_note): Add section_name parameter.
5180         * layout.cc (Layout::create_note): Likewise.
5181         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5182
5183 2009-03-17  Ian Lance Taylor  <iant@google.com>
5184
5185         * descriptors.cc: Include "options.h".
5186         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5187         (Descriptors::open): Always use O_CLOEXEC when opening a new
5188         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5189         then set FD_CLOEXEC.
5190
5191         * sparc.cc (class Target_sparc): Add has_got_section.
5192         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5193         make sure we have a GOT section.
5194
5195         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5196         (Target_sparc::Scan::local): Likewise.
5197         (Target_sparc::Scan::global): Likewise.
5198         (Target_sparc::Relocate::relocate): Likewise.
5199         (Target_sparc::Relocate::relocate_tls): Likewise.
5200
5201         * symtab.cc (Symbol_table::define_default_version): New function,
5202         broken out of add_from_object.
5203         (Symbol_table::add_from_object): Call define_default_version.
5204         (Symbol_table::define_special_symbol): Add resolve_oldsym
5205         parameter.  Change all callers.  If the version for a symbol comes
5206         from a version script, resolve it with the symbol with the same
5207         name with no version.  Also add the symbol without a version if
5208         appropriate.
5209         (do_define_in_output_data): If resolving with oldsym, don't delete
5210         sym.
5211         (do_define_in_output_segment): Likewise.
5212         (do_define_as_constant): Likewise.
5213         * symtab.h (class Symbol_table): Update declarations.
5214
5215 2009-03-13  Ian Lance Taylor  <iant@google.com>
5216
5217         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5218         (Read_symbols::requeue): New function.
5219         (Read_symbols::do_read_symbols): If make_elf_object fails because
5220         the target type is not configured, and the file was searched for,
5221         issue a warning and retry with the next directory.
5222         (Add_symbols::run): If the file has an incompatible format, and
5223         it was searched for, requeue the Read_symbols task.  On error,
5224         release the object.
5225         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5226         dirindex parameter to constructor.  Change all callers.  Declare
5227         incompatible_warning and requeue.
5228         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5229         input_argument_ and input_group_ fields.  Add them to
5230         constructor.  Change all callers.
5231         (class Read_script): Add dirindex_ field.  Add it to constructor.
5232         Change all callers.
5233         * archive.cc (Archive::setup): Remove input_objects parameter.
5234         Change all callers.
5235         (Archive::get_file_and_offset): Likewise.
5236         (Archive::read_all_symbols): Likewise.
5237         (Archive::read_symbols): Likewise.
5238         (Archive::get_elf_object_for_member): Remove input_objects
5239         parameter.  Add punconfigured parameter.  Change all callers.
5240         (Archive::add_symbols): Change return type to bool.  Check return
5241         value of include_member.
5242         (Archive::include_all_members): Likewise.
5243         (Archive::include_member): Change return type to bool.  Return
5244         false if first included object has incompatible target.  Set
5245         included_member_ field.
5246         (Add_archive_symbols::run): If add_symbols returns false, requeue
5247         Read_symbols task.
5248         * archive.h (class Archive): Add included_member_ field.
5249         Initialize it in constructor.  Add input_file and searched_for
5250         methods.  Update declarations.
5251         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5252         input_argument_ fields.  Add them to constructor.  Change all
5253         callers.
5254         * script.cc: Include "target-select.h".
5255         (class Parser_closure): Add skip_on_incompatible_target_ and
5256         found_incompatible_target_ fields.  Add
5257         skip_on_incompatible_target parameter to constructor.  Change all
5258         callers.  Add methods skip_on_incompatible_target,
5259         clear_skip_on_incompatible_target, found_incompatible_target, and
5260         set_found_incompatible_target.
5261         (read_input_script): Add dirindex parameter.  Change all callers.
5262         If parser finds an incompatible target, requeue Read_symbols
5263         task.
5264         (script_set_symbol): Clear skip_on_incompatible_target in
5265         closure.
5266         (script_add_assertion, script_parse_option): Likewise.
5267         (script_start_sections, script_add_phdr): Likewise.
5268         (script_check_output_format): New function.
5269         * script.h (read_input_script): Update declaration.
5270         * script-c.h (script_check_output_format): Declare.
5271         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5272         (ignore_cmd): Remove OUTPUT_FORMAT.
5273         * fileread.cc (Input_file::Input_file): Add explicit this.
5274         (Input_file::will_search_for): New function.
5275         (Input_file::open): Add pindex parameter.  Change all callers.
5276         * fileread.h (class Input_file): Add input_file_argument method.
5277         Declare will_search_for.  Update declarations.
5278         * object.cc (make_elf_object): Add punconfigured parameter.
5279         Change all callers.
5280         * object.h (class Object): Make input_file public.  Add
5281         searched_for method.
5282         (make_elf_object): Update declaration.
5283         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5284         restart search.
5285         * dirsearch.h (class Dirsearch): Update declaration.
5286         * options.h (class General_options): Add --warn-search-mismatch.
5287         * parameters.cc (Parameters::is_compatible_target): New function.
5288         * parameters.h (class Parameters): Declare is_compatible_target.
5289         * workqueue.cc (Workqueue::add_blocker): New function.
5290         * workqueue.h (class Workqueue): Declare add_blocker.
5291
5292         * fileread.cc (Input_file::open): Remove options parameter.
5293         Change all callers.
5294         (Input_file::open_binary): Likewise.
5295         * script.cc (read_input_script): Likewise.
5296         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5297         options parameter from constructor.  Change all callers.
5298         (class Read_script): Likewise.
5299         * fileread.h (class Input_file): Update declarations.
5300         * script.h (read_input_script): Update declaration.
5301
5302 2009-03-10  Nick Clifton  <nickc@redhat.com>
5303
5304         * po/es.po: New Spanish translation.
5305
5306 2009-03-06  Cary Coutant  <ccoutant@google.com>
5307
5308         * options.cc (parse_short_option): Keep dash_z from registering itself.
5309
5310 2009-03-03  Ian Lance Taylor  <iant@google.com>
5311
5312         PR 9918
5313         * target-reloc.h (relocate_section): Pass output_section to
5314         relocate.
5315         * i386.cc (Target_i386::should_apply_static_reloc): Add
5316         output_section parameter.  Change all callers.
5317         (Target_i386::Relocate::relocate): Add output_section parameter.
5318         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5319         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5320         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5321         * testsuite/two_file_shared.sh: New script.
5322         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5323         (check_DATA): Add two_file_shared.dbg.
5324         (two_file_shared.dbg): New target.
5325         * testsuite/Makefile.in: Rebuild.
5326
5327 2009-03-01  Ian Lance Taylor  <iant@google.com>
5328
5329         * configure.ac: Check for byteswap.h.
5330         * configure: Rebuild.
5331         * config.in: Rebuild.
5332
5333 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5334
5335         * layout.cc (Layout::find_or_add_kept_section): New function.
5336         (Layout::add_comdat): Removed.
5337         * layout.h (struct Kept_section): Move out of class Layout.
5338         Remove trailing underscores from field names.  Add group_sections
5339         field.  Rename group_ field to is_group.  Change all uses.
5340         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5341         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5342         comdat_groups_ field.
5343         (Sized_relobj::include_section_group): Use
5344         find_or_add_kept_section and Kept_section::group_sections.
5345         (Sized_relobj::include_linkonce_section): Likewise.
5346         * object.cc (class Sized_relobj): Don't define Comdat_group or
5347         Comdat_group_table.  Remove find_comdat_group and
5348         add_comdat_group.  Remove comdat_groups_ field.
5349         * plugin.cc (include_comdat_group): Use
5350         Layout::find_or_add_kept_section.
5351
5352 2009-02-28  Ian Lance Taylor  <iant@google.com>
5353
5354         * README: --gc-sections and map files are now supported.  Document
5355         some build requirements.
5356
5357         PR 6992
5358         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5359         relocatable link set the value of the section symbol to zero.
5360         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5361         relocatable link don't include the section address in the local
5362         symbol value.
5363
5364 2009-02-27  Ian Lance Taylor  <iant@google.com>
5365
5366         PR 6811
5367         * options.h (class Search_directory): Add is_system_directory.
5368         (class General_options): Declare is_in_system_directory.
5369         * options.cc (get_relative_sysroot): Make static.
5370         (get_default_sysroot): Make static.
5371         (General_optoins::is_in_system_directory): New function.
5372         * fileread.cc (Input_file::is_in_system_directory): New function.
5373         * fileread.h (class Input_file): Declare is_in_system_directory.
5374         * object.h (class Object): Add is_in_system_directory.
5375         (class Input_objects): Remove system_library_directory_ field.
5376         * object.cc (Input_objects::add_object): Don't set
5377         system_library_directory_.
5378         (input_objects::found_in_system_library_directory): Remove.
5379         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5380         parameter.  Change all callers.
5381         (Symbol_table::sized_write_globals): Likewise.
5382         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5383         Call Object::is_in_system_directory.
5384         * symtab.h (class Symbol_table): Update declarations.
5385
5386         PR 5990
5387         * descriptors.h (Open_descriptor): Add is_on_stack field.
5388         * descriptors.cc (Descriptors::open): If the descriptor is on the
5389         top of the stack, remove it.  Initialize is_on_stack field.
5390         (Descriptors::release): Only add pod to stack if it is not on the
5391         stack already.
5392         (Descriptors::close_some_descriptor): Clear stack_next and
5393         is_on_stack fields.
5394
5395         PR 7091
5396         * output.cc (Output_section::find_starting_output_address): Rename
5397         from starting_output_address; add PADDR parameter; change return
5398         type.
5399         * output.h (class Output_section): Declare
5400         find_starting_output_address instead of starting_output_address.
5401         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5402         section symbol for which we can't find a merge section.
5403
5404         PR 9836
5405         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5406         hidden or internal, force the symbol to be local.
5407         * resolve.cc (Symbol::override_visibility): Define.
5408         (Symbol::override_base): Use override_visibility.
5409         (Symbol_table::resolve): Likewise.
5410         (Symbol::override_base_with_special): Likewise.
5411         (Symbol_table::override_with_special): If the visibility is hidden
5412         or internal, force the symbol to be local.
5413         * symtab.h (class Symbol): Add set_visibility and
5414         override_visibility.
5415         * testsuite/ver_test_1.sh: New file.
5416         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5417         (check_DATA): Add ver_test_1.syms.
5418         (ver_test_1.syms): New target.
5419         * testsuite/Makefile.in: Rebuild.
5420
5421 2009-02-25  Cary Coutant  <ccoutant@google.com>
5422
5423         * layout.cc (Layout::choose_output_section): Don't rename sections
5424         when using a linker script that has a SECTIONS clause.
5425         * Makefile.in: Regenerate.
5426
5427         * testsuite/Makefile.am (script_test_5.sh): New test case.
5428         * testsuite/Makefile.in: Regenerate.
5429         * testsuite/script_test_5.cc: New file.
5430         * testsuite/script_test_5.sh: New file.
5431         * testsuite/script_test_5.t: New file.
5432
5433 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5434
5435         * archive.cc (Archive::include_member): Update calls to add_symbols.
5436         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5437         the Layout argument.
5438         * dynobj.h (do_add_symbols): Add the Layout argument.
5439         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5440         Layout argument.
5441         * object.h (Object::add_symbols): Add the Layout argument.
5442         (Object::do_add_symbols): Add the Layout argument.
5443         (Sized_relobj::do_add_symbols): Add the Layout argument.
5444         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5445         Unify the two versions.
5446         (Add_plugin_symbols): Remove.
5447         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5448         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5449         (Add_plugin_symbols): Remove.
5450         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5451         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5452         (Add_symbols::run): Make it work with Pulginobj.
5453
5454 2009-02-06  Ian Lance Taylor  <iant@google.com>
5455
5456         * object.cc (Sized_relobj::do_layout): Make info message start
5457         with lower case letter.
5458
5459 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5460
5461         * binary.cc: Fix file comment.
5462
5463         * options.h (enum Incremental_disposition): Define.
5464         (class General_options): Add new options: --incremental,
5465         --incremental_changed, --incremental_unchanged,
5466         --incremental_unknown.  Add incremental_disposition_ and
5467         implicit_incremental_ fields.
5468         (General_options::incremental_disposition): New function.
5469         (class Position_dependent_options): Add incremental_disposition
5470         option.
5471         (Position_dependent_options::copy_from_options): Set incremental
5472         dispositions.
5473         * options.cc (General_options::parse_incremental_changed): New
5474         function.
5475         (General_options::parse_incremental_unchanged): New function.
5476         (General_options::parse_incremental_unknown): New function.
5477         (General_options::General_options): Initialize new fields
5478         incremental_disposition_ and implicit_incremental_.
5479         (General_options::finalize): Check for uasge of --incremental-*
5480         without --incremental.
5481
5482 2009-02-06  Chris Demetriou  <cgd@google.com>
5483
5484         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5485         pointer and to report location as the file name associated with
5486         the symbol.
5487         (gold_undefined_symbol_at_location): New function to replace the
5488         old gold_undefined_symbol functionality.
5489         * target-reloc.h (relocate_section): Update to use
5490         gold_undefined_symbol_at_location.
5491         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5492         Call gold_undefined_symbol function rather than gold_error.
5493         * errors.h (Errors::undefined_symbol): Take location as a
5494         string, rather than calculating it from a relocation.
5495         * errors.cc (Errors::fatal): Print "fatal error:" before the
5496         formatted message.
5497         (Errors::error, Errors::error_at_location): Print "error: "
5498         before the formatted message.
5499         (Errors::undefined_symbol): Take location as a string, rather
5500         than calculating it from a relocation.
5501         (gold_undefined_symbol_at_location): New function akin to
5502         old gold_undefined_symbol, calculates location from relocation.
5503         (gold_undefined_symbol): Change to take only a Symbol pointer
5504         and to report location as the file name associated with the symbol.
5505         * testsuite/debug_msg.sh: Update for changed error messages.
5506         * testsuite/undef_symbol.sh: Likewise.
5507
5508 2009-02-04  Duncan Sands  <baldrick@free.fr>
5509
5510         PR 9812
5511         * reduced_debug_output.h
5512         (Output_reduced_debug_abbrev_section::failed): Use format for
5513         gold_warning.
5514         (Output_reduced_debug_info_section::faild): Likewise.
5515
5516 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5517
5518         * script.cc (Lazy_demangler): New class.
5519         (Version_script_info::get_symbol_version_helper): Demangle a
5520         symbol only once.
5521
5522 2009-01-29  Cary Coutant  <ccoutant@google.com>
5523
5524         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5525         to __tls_get_addr.
5526         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5527
5528 2009-01-28  Ian Lance Taylor  <iant@google.com>
5529
5530         * version.cc (version_string): Bump to 1.9.
5531
5532         * gold.h: Include <cstring> and <stdint.h>.
5533         * version.cc: Include <cstdio>.
5534         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5535         warning.
5536         * reduced_debug_output.cc (insert_into_vector): Rename from
5537         Insert_into_vector; change all callers.  Use Swap_unaligned to
5538         avoid aliasing issue; remove union since it is unnecessary.
5539
5540 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5541
5542         * Makefile.am (CCFILES): Add gc.cc.
5543         (HFILES): Add gc.h.
5544         * Makefile.in: Regenerate.
5545         * gold.cc (Gc_runner): New class.
5546         (queue_initial_tasks): Call garbage collection related tasks
5547         when corresponding options are invoked.
5548         (queue_middle_gc_tasks): New function.
5549         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5550         processed early before laying out sections during garbage collection.
5551         * gold.h (queue_middle_gc_tasks): New function.
5552         (is_prefix_of): Move from "layout.cc".
5553         * i386.cc (Target_i386::gc_process_relocs): New function.
5554         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5555         * main.cc (main): Create object of class "Garbage_collection".
5556         * object.cc (Relobj::copy_symbols_data): New function.
5557         (Relobj::is_section_name_included): New function.
5558         (Sized_relobj::do_layout): Allow this function to be called twice
5559         during garbage collection and defer layout of section during the
5560         first call.
5561         * object.h (Relobj::get_symbols_data): New function.
5562         (Relobj::is_section_name_included): New function.
5563         (Relobj::copy_symbols_data): New function.
5564         (Relobj::set_symbols_data): New function.
5565         (Relobj::get_relocs_data): New function.
5566         (Relobj::set_relocs_data): New function.
5567         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5568         (Relobj::gc_process_relocs): New function.
5569         (Relobj::do_gc_process_relocs): New pure virtual function.
5570         (Relobj::sd_): New data member.
5571         (Sized_relobj::is_output_section_offset_invalid): New function.
5572         (Sized_relobj::do_gc_process_relocs): New function.
5573         * options.h (General_options::gc_sections): Modify to not be a no-op.
5574         (General_options::print_gc_sections): New option.
5575         * plugin.cc (Plugin_finish::run): Remove function call to
5576         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5577         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5578         * reloc.cc (Read_relocs::run): Add task to process relocs and
5579         determine unreferenced sections when doing garbage collection.
5580         (Gc_process_relocs): New class.
5581         (Sized_relobj::do_gc_process_relocs): New function.
5582         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5583         sections that are garbage collected.
5584         * reloc.h (Gc_process_relocs): New class.
5585         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5586         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5587         symbols whose corresponding sections are garbage collected.
5588         (Symbol_table::Symbol_table): Add new parameter for the garbage
5589         collection object.
5590         (Symbol_table::gc_mark_undef_symbols): New function.
5591         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5592         (Symbol_table::gc_mark_dyn_syms): New function.
5593         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5594         as garbage.
5595         (Symbol_table::add_from_object): Likewise.
5596         (Symbol_table::add_from_relobj): When building shared objects, do not
5597         treat externally visible symbols as garbage.
5598         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5599         table information for static and relocatable links.
5600         * symtab.h (Symbol_table::set_gc): New function.
5601         (Symbol_table::gc): New function.
5602         (Symbol_table::gc_mark_undef_symbols): New function.
5603         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5604         (Symbol_table::gc_mark_dyn_syms): New function.
5605         (Symbol_table::gc_): New data member.
5606         * target.h (Sized_target::gc_process_relocs): New pure virtual
5607         function.
5608         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5609         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5610
5611 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5612
5613         * options.h (General_options::gc_sections): Define as a no-op for now.
5614         (General_options::no_keep_memory): Ditto.
5615         (General_options::Bshareable): Define.
5616         * options.cc (General_options::finalize): Honor -Bshareable.
5617
5618 2009-01-20  Andreas Schwab  <schwab@suse.de>
5619
5620         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5621         read the value in the contents, since we don't use it.  Use the
5622         template endianness when writing.
5623         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5624
5625 2009-01-19  Andreas Schwab  <schwab@suse.de>
5626
5627         * configure.tgt (powerpc64-*): Fix targ_obj.
5628
5629 2009-01-15  Ian Lance Taylor  <iant@google.com>
5630
5631         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5632         local symbols when stripping all symbols.
5633
5634 2009-01-14  Cary Coutant  <ccoutant@google.com>
5635
5636         * output.cc (Output_reloc): Add explicit instantiations.
5637
5638 2009-01-14  Cary Coutant  <ccoutant@google.com>
5639
5640         * archive.cc (Archive::get_elf_object_for_member): Remove call
5641         to File_read::claim_for_plugin.
5642         * descriptors.cc (Descriptors::open): Remove reference to
5643         is_claimed.
5644         (Descriptors::claim_for_plugin): Remove.
5645         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5646         (Descriptors::is_claimed): Remove.
5647         (claim_descriptor_for_plugin): Remove.
5648         * fileread.cc (File_read::claim_for_plugin): Remove.
5649         * fileread.h (File_read::claim_for_plugin): Remove.
5650         (File_read::descriptor): Reopen descriptor if necessary.
5651         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5652         (Plugin_manager::all_symbols_read): Add task parameter. Change
5653         all callers.
5654         (Plugin_manager::get_input_file): New function.
5655         (Plugin_manager::release_input_file): New function.
5656         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5657         corresponding data member.
5658         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5659         and pass to base constructor. Change all callers.
5660         (get_input_file, release_input_file): New functions.
5661         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5662         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5663         (Plugin_manager::all_symbols_read): Add task parameter.
5664         (Plugin_manager::get_input_file): New function.
5665         (Plugin_manager::release_input_file): New function.
5666         (Plugin_manager::task_): New data member.
5667         (Pluginobj::Pluginobj): Add filesize parameter.
5668         (Pluginobj::filename): New function.
5669         (Pluginobj::descriptor): New function.
5670         (Pluginobj::filesize): New function.
5671         (Pluginobj::filesize_): New data member.
5672         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5673         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5674         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5675
5676         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5677         with archive libraries.
5678         * testsuite/Makefile.in: Regenerate.
5679         * testsuite/plugin_test.c (struct sym_info): New type.
5680         (get_input_file, release_input_file): New static variables.
5681         (onload): Capture new transfer vector entries.
5682         (claim_file_hook): Stop reading at end of file according to filesize.
5683         Factor out parsing of readelf output into separate function.
5684         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5685         APIs and get the source file name from the symbol table.  Convert
5686         source file name to corresponding object file name.  Print info
5687         message when adding new input files.
5688         (parse_readelf_line): New function.
5689         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5690         * testsuite/plugin_test_2.sh: Likewise.
5691         * testsuite/plugin_test_3.sh: Likewise.
5692         * testsuite/plugin_test_4.sh: New test case.
5693
5694 2009-01-07  Ian Lance Taylor  <iant@google.com>
5695
5696         * version.cc (version_string): Bump to 1.8.
5697
5698 2008-12-23  Cary Coutant  <ccoutant@google.com>
5699
5700         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5701         * plugin.cc (Plugin_manager::finish): Rename as
5702         layout_deferred_objects.  Move cleanup to separate function.
5703         (Plugin_manager::cleanup): New function.
5704         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5705         separately.
5706         * plugin.h (Plugin_manager::finish): Rename as
5707         layout_deferred_objects.
5708         (Plugin_manager::cleanup): New function.
5709         (Plugin_manager::cleanup_done): New field.
5710
5711 2008-12-23  Cary Coutant  <ccoutant@google.com>
5712
5713         * plugin.cc (is_visible_from_outside): New function.
5714         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5715         so we don't return "IR only" status for exported symbols or -r links.
5716
5717         * testsuite/Makefile.am (plugin_test_3): New test case.
5718         * testsuite/Makefile.in: Regenerate.
5719         * testsuite/plugin_test_3.sh: New file.
5720
5721 2008-12-22  Cary Coutant  <ccoutant@google.com>
5722
5723         * object.cc (Sized_relobj::layout_section): New function.
5724         (Sized_relobj::do_layout): Defer layout of input sections until after
5725         plugin has provided replacement files.
5726         (Sized_relobj::do_layout_deferred_sections): New function.
5727         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5728         (Relobj::layout_deferred_sections): New function.
5729         (Relobj::do_layout_deferred_sections): New function.
5730         (Sized_relobj::do_layout_deferred_sections): New function.
5731         (Sized_relobj::layout_section): New function.
5732         (Sized_relobj::Deferred_layout): New structure.
5733         (Sized_relobj::deferred_layout_): New field.
5734         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5735         Change all callers.  Layout deferred sections.
5736         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5737         references.
5738         (Plugin_hook::run): Move code from do_plugin_hook inline.
5739         (Plugin_hook::do_plugin_hook): Remove.
5740         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5741         (Plugin_manager::finish): Renamed, was cleanup.
5742         (Plugin_manager::should_defer_layout): New function.
5743         (Plugin_manager::add_deferred_layout_object): New function.
5744         (Plugin_manager::Deferred_layout_list): New type.
5745         (Plugin_manager::deferred_layout_objects_): New field.
5746         (Plugin_hook::do_plugin_hook): Remove.
5747
5748 2008-12-17  Ian Lance Taylor  <iant@google.com>
5749
5750         * options.h (class General_options): Add --no case for
5751         --export-dynamic.
5752
5753 2008-12-16  Cary Coutant  <ccoutant@google.com>
5754
5755         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5756         vector.
5757         (Plugin_manager::claim_file): Create plugin object even if
5758         plugin did not call the add_symbols callback.
5759         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5760         asking for more symbols than were added.
5761         * testsuite/Makefile.am (plugin_test_1): Add test case with
5762         no global symbols.
5763         (empty.syms): New target.
5764         * testsuite/Makefile.in: Regenerate.
5765         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5766         message. Don't call add_symbols if no globals.
5767         (all_symbols_read_hook): Don't provide replacement for empty
5768         claimed file.
5769
5770 2008-12-12  Ian Lance Taylor  <iant@google.com>
5771
5772         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5773         r_type == 0 for a local symbol with r_sym == 0.
5774         (scan_relocatable_relocs): Pass r_sym to
5775         local_non_section_strategy.
5776         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5777         r_sym parameter.
5778
5779         * configure.ac: Update test for TLS descriptors: they are
5780         supported as of glibc 2.9.
5781         * configure: Rebuild.
5782
5783 2008-12-11  Ian Lance Taylor  <iant@google.com>
5784
5785         PR 7091
5786         * target-reloc.h (Default_scan_relocatable_relocs): For each
5787         function, map r_type == 0 to RELOC_DISCARD.
5788
5789 2008-12-10  Cary Coutant  <ccoutant@google.com>
5790
5791         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5792         object to override a kept COMDAT group from a plugin object.
5793
5794 2008-12-09  Ian Lance Taylor  <iant@google.com>
5795
5796         PR 7088
5797         * yyscript.y (file_cmd): Handle INPUT.
5798
5799         * testsuite/initpri1.c: Change all declarations to be full
5800         prototypes by adding void, to avoid compiler warnings.
5801
5802 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5803
5804         * options.cc (General_options::parse_plugin_opt): New.
5805         (General_options::add_plugin): The argument now is just the filename.
5806         (General_options::add_plugin_option): New.
5807         * options.h (plugin_opt): New.
5808         (add_plugin): Change argument name.
5809         (add_plugin_option): New.
5810         * plugin.cc (Plugin::load): Don't parse the plugin option.
5811         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5812         (Plugin::add_option): New.
5813         (Plugin::args_): Change type.
5814         (Plugin::filename_): New.
5815         (Plugin_manager::add_plugin_option): New.
5816         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5817         * testsuite/Makefile.in: Regenerate.
5818
5819 2008-12-05  Cary Coutant  <ccoutant@google.com>
5820
5821         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5822         Handle --strip-lto-sections option.
5823         * options.h (strip_lto_sections): New option.
5824
5825 2008-12-01  Cary Coutant  <ccoutant@google.com>
5826
5827         * plugin.cc (ld_plugin_message): Change format parameter to const.
5828         Fix mismatch between new[] and delete.
5829
5830 2008-11-14  Cary Coutant  <ccoutant@google.com>
5831
5832         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5833         instead of -1U.
5834
5835 2008-11-05  Craig Silverstein  <csilvers@google.com>
5836
5837         * options.cc (General_options::parse_dynamic_list): New function.
5838         * options.h (General_options): New flags dynamic_list,
5839         dynamic_list_data, dynamic_list_cpp_new, and
5840         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5841         (General_options::in_dynamic_list): New function.
5842         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5843         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5844         (Lex::can_continue_name): Likewise.
5845         (yylex): Likewise.
5846         (read_script_file): New parameter script_options.
5847         (read_dynamic_list): New function.
5848         (Script_options::define_dynamic_list): New function.
5849         (dynamic_list_keyword_parsecodes): New variable.
5850         (dynamic_list_keywords): New variable.
5851         * script.h (Script_options::define_dynamic_list): New function
5852         prototype.
5853         (read_dynamic_list): New function prototype.
5854         * symtab.cc (strprefix): New macro.
5855         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5856         dynamic_list_data, dynamic_list_cpp_new, and
5857         dynamic_list_cpp_typeinfo.
5858         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5859         (dynamic_list_expr): New rule.
5860         (dynamic_list_nodes): Likewise.
5861         (dynamic_list_node): Likewise.
5862         * testsuite/Makefile.am (dynamic_list): New test.
5863         * testsuite/Makefile.in: Regenerated.
5864         * testsuite/dynamic_list.t: New file.
5865         * testsuite/dynamic_list.sh: New file.
5866
5867 2008-11-05  Craig Silverstein  <csilvers@google.com>
5868
5869         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5870         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5871         (t11_last): Likewise.
5872         * testsuite/ver_test_6.c (main): Likewise.
5873
5874 2008-10-07  Cary Coutant  <ccoutant@google.com>
5875
5876         * options.c (General_options::finalize): Add check for -static and
5877         -shared.
5878         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5879         is not empty.
5880
5881 2008-10-02  Cary Coutant  <ccoutant@google.com>
5882
5883         * plugin.cc (make_sized_plugin_object): Fix conditional
5884         compilation to work when not all targets are enabled.
5885
5886 2008-09-29  Cary Coutant  <ccoutant@google.com>
5887
5888         * archive.cc (Archive::get_file_and_offset): Use filename instead
5889         of name to get library path.
5890         (Archive::include_member): Unlock external member of a thin archive.
5891
5892         * testsuite/Makefile.am (TEST_AR): New variable.
5893         (thin_archive_test_1): New test.
5894         (thin_archive_test_2): New test.
5895         * testsuite/Makefile.in: Regenerate.
5896         * testsuite/thin_archive_main.cc: New file.
5897         * testsuite/thin_archive_test_1.cc: New file.
5898         * testsuite/thin_archive_test_2.cc: New file.
5899         * testsuite/thin_archive_test_3.cc: New file.
5900         * testsuite/thin_archive_test_4.cc: New file.
5901
5902 2008-09-29  Cary Coutant  <ccoutant@google.com>
5903
5904         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5905         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5906         instead of -1U.
5907         (Sized_relobj::do_finalize_local_symbols): Likewise.
5908         (Sized_relobj::map_to_kept_section): Likewise.
5909         * object.h (Sized_relobj::invalid_address): New constant.
5910         (Sized_relobj::do_output_section_offset): Check for invalid_address
5911         and return -1ULL.
5912         * output.cc (Output_reloc::local_section_offset): Use constant
5913         invalid_address instead of -1U.
5914         (Output_reloc::get_address): Likewise.
5915         (Output_section::output_address): Change -1U to -1ULL.
5916         * output.h (Output_reloc::invalid_address): New constant.
5917         * reloc.cc (Sized_relobj::write_sections): Use constant
5918         invalid_address instead of -1U.
5919         (Sized_relobj::relocate_sections): Likewise.
5920         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5921         values for merge sections.
5922         * target-reloc.h (relocate_for_relocatable): Use constant
5923         invalid_address instead of -1U.
5924
5925 2008-09-19  Cary Coutant  <ccoutant@google.com>
5926
5927         Add plugin functionality for link-time optimization (LTO).
5928         * configure.ac (plugins): Add --enable-plugins option.
5929         * configure: Regenerate.
5930         * config.in: Regenerate.
5931         * Makefile.am (LIBDL): New variable.
5932         (CCFILES): Add plugin.cc.
5933         (HFILES): Add plugin.h.
5934         (ldadd_var): Add LIBDL.
5935         * Makefile.in: Regenerate.
5936
5937         * archive.cc: Include "plugin.h".
5938         (Archive::setup): Don't preread archive symbols when using a plugin.
5939         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5940         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5941         files.
5942         (Archive::include_member): Add symbols from plugin objects.
5943         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5944         * descriptors.cc (Descriptors::open): Check for file descriptors
5945         abandoned by plugins.
5946         (Descriptors::claim_for_plugin): New function.
5947         * descriptors.h (Descriptors::claim_for_plugin): New function.
5948         (Open_descriptor::is_claimed): New field.
5949         (claim_descriptor_for_plugin): New function.
5950         * fileread.cc (File_read::claim_for_plugin): New function.
5951         * fileread.h (File_read::claim_for_plugin): New function.
5952         (File_read::descriptor): New function.
5953         * gold.cc: Include "plugin.h".
5954         (queue_initial_tasks): Add task to call plugin hooks for generating
5955         new object files.
5956         * main.cc: Include "plugin.h".
5957         (main): Load plugin libraries.
5958         * object.h (Pluginobj): Declare.
5959         (Object::pluginobj): New function.
5960         (Object::do_pluginobj): New function.
5961         (Object::set_target): New function.
5962         * options.cc: Include "plugin.h".
5963         (General_options::parse_plugin): New function.
5964         (General_options::General_options): Initialize plugins_ field.
5965         (General_options::add_plugin): New function.
5966         * options.h (Plugin_manager): Declare.
5967         (General_options): Add --plugin option.
5968         (General_options::has_plugins): New function.
5969         (General_options::plugins): New function.
5970         (General_options::add_plugin): New function.
5971         (General_options::plugins_): New field.
5972         * plugin.cc: New file.
5973         * plugin.h: New file.
5974         * readsyms.cc: Include "plugin.h".
5975         (Read_symbols::do_read_symbols): Check for archive before checking
5976         for ELF file.  Call plugin hooks to claim files.
5977         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5978         from a real object file; force override when processing replacement
5979         files.
5980         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5981         (Symbol::init_base_object): Likewise.
5982         (Symbol::init_base_output_data): Likewise.
5983         (Symbol::init_base_output_segment): Likewise.
5984         (Symbol::init_base_constant): Likewise.
5985         (Symbol::init_base_undefined): Likewise.
5986         (Symbol::output_section): Assert that object is not a plugin.
5987         (Symbol_table::add_from_pluginobj): New function.
5988         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5989         undefined.
5990         (Symbol_table::sized_write_globals): Likewise.
5991         (Symbol_table::add_from_pluginobj): Instantiate template.
5992         * symtab.h (Sized_pluginobj): Declare.
5993         (Symbol::in_real_elf): New function.
5994         (Symbol::set_in_real_elf): New function.
5995         (Symbol::in_real_elf_): New field.
5996         (Symbol_table::add_from_pluginobj): New function.
5997
5998         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5999         (LIBDL): New variable.
6000         (LDADD): Add LIBDL.
6001         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6002         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6003         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6004         (MOSTLYCLEANFILES): Likewise.
6005         * testsuite/Makefile.in: Regenerate.
6006         * testsuite/plugin_test.c: New file.
6007         * testsuite/plugin_test_1.sh: New file.
6008         * testsuite/plugin_test_2.sh: New file.
6009
6010 2008-09-16  Ian Lance Taylor  <iant@google.com>
6011
6012         * target-reloc.h (relocate_section): Check whether a symbol is
6013         defined by the ABI before reporting an undefined symbol error.
6014         * target.h (Target::is_defined_by_abi): Make parameter const.
6015         (Target::do_is_defined_by_abi): Likewise.
6016         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6017         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6018         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6019         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6020         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6021         * testsuite/Makefile.in: Rebuild.
6022
6023         * fileread.cc (make_view): Add casts to avoid warning.
6024
6025 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6026
6027         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6028         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6029
6030 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6031
6032         * options.h (General_options::output_is_executable): New.
6033         (General_options::output_is_pie): New.
6034         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6035         for shared libraries.
6036         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6037
6038 2008-09-11  Chris Demetriou  <cgd@google.com>
6039
6040         * options.h (origin): New -z option.
6041         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6042         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6043         in DT_FLAGS_1.
6044
6045 2008-09-05  Cary Coutant  <ccoutant@google.com>
6046
6047         * fileread.cc (File_read::make_view): Add check for attempt to map
6048         beyond end of file.
6049
6050 2008-09-05  Cary Coutant  <ccoutant@google.com>
6051
6052         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6053         explicit instantiations.
6054
6055 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6056
6057         PR gold/6858
6058         * options.cc (General_options::finalize): Allow undefined symbols
6059         in shlibs if linking -shared.
6060
6061         PR gold/6859
6062         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6063         symbols as not needing a dynsym entry.
6064
6065 2008-08-20  Craig Silverstein  <csilvers@google.com>
6066
6067         * fileread.cc (File_read::open): Do not lock the file unless it
6068         was successfully opened.
6069
6070 2008-08-14  Cary Coutant  <ccoutant@google.com>
6071
6072         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6073         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6074         * testsuite/tls_test.cc (struct int128): 128-bit struct
6075         for testing TLS relocs with non-zero addend.
6076         (v12): New TLS variable.
6077         (t12): New test.
6078         (t_last): Add check for v12.
6079         * testsuite/tls_test.h (t12): New function.
6080         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6081
6082 2008-08-13  Ian Lance Taylor  <iant@google.com>
6083
6084         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6085         set tls_segment_ or relro_segment_.
6086         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6087         when appropriate.
6088         * output.h (Output_section::clear_is_relro): New function.
6089         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6090         sections specially even when output_data_ is empty.
6091         (Output_segment::maximum_alignment): When first section is relro,
6092         only force alignment for PT_LOAD segments.
6093         * script.cc (script_data_segment_align): New function.
6094         (script_data_segment_relro_end): New function.
6095         * script-c.h (script_data_segment_align): Declare.
6096         (script_data_segment_relro_end): Declare.
6097         * script-sections.h (class Script_sections): Declare
6098         data_segment_align and data_segment_relro_end.  Add fields
6099         segment_align_index_ and saw_relro_end_.
6100         * script-sections.cc (class Sections_element): Add set_is_relro
6101         virtual function.  Add new bool* parameter to place_orphan_here.
6102         Add get_output_section virtual function.
6103         (class Output_section_definition): Add set_is_relro.  Add new
6104         bool* parameter to place_orphan_here.  Add get_output_section.
6105         Add is_relro_ field.
6106         (Output_section_definition::Output_section_definition): Initialize
6107         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6108         and is_relro_ fields.
6109         (Output_section_definition::place_orphan_here): Add is_relro
6110         parameter.
6111         (Output_section_definition::set_section_addresses): Set relro for
6112         output section.
6113         (Output_section_definition::alternate_constraint): Likewise.
6114         (class Orphan_output_section): Add new bool* parameter to
6115         place_orphan_here.  Add get_output_section.
6116         (Orphan_output_section::place_orphan_here): Add is_relro
6117         parameter.
6118         (Script_sections::Script_sections): Initialize
6119         data_segment_align_index_ and saw_relro_end_.
6120         (Script_sections::data_segment_align): New function.
6121         (Script_sections::data_segment_relro_end): New function.
6122         (Script_sections::place_orphan): Set or clear is_relro.
6123         (Script_sections::set_section_addresses): Force alignment of first
6124         TLS section.
6125         * yyscript.y (exp): Call script_data_segment_align and
6126         script_data_segment_relro_end.
6127         * testsuite/relro_script_test.t: New file.
6128         * testsuite/relro_test.cc (using_script): Declare.
6129         (t1, t2): Test using_script.
6130         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6131         (relro_script_test_SOURCES): Define.
6132         (relro_script_test_DEPENDENCIES): Define.
6133         (relro_script_test_LDFLAGS): Define.
6134         (relro_script_test_LDADD): Define.
6135         (relro_script_test.so): New target.
6136         * testsuite/Makefile.in: Rebuild.
6137
6138 2008-08-06  Cary Coutant <ccoutant@google.com>
6139
6140         * archive.cc (Archive::total_archives, Archive::total_members)
6141         (Archive::total_members_loaded): New variables.
6142         (Archive::setup): Add parameter.  Add option to preread
6143         archive symbols.
6144         (Archive::read_armap): Add counter.
6145         (Archive::get_file_and_offset): New function.
6146         (Archive::get_elf_object_for_member): New function.
6147         (Archive::read_all_symbols): New function.
6148         (Archive::read_symbols): New function.
6149         (Archive::add_symbols): Add counters.
6150         (Archive::include_all_members): Use armap to find members if it's
6151         already built.
6152         (Archive::include_member): Skip reading symbols if already read.
6153         Factored code into Archive::get_file_and_offset and
6154         Archive::get_elf_object_for_member.  Changed call to
6155         Mapfile::report_include_archive_member.
6156         (Archive::print_stats): New function.
6157         * archive.h: Declare Object and Read_symbols_data classes.
6158         (Archive::Archive): Add initializers for new members.
6159         (Archive::setup): Add parameter.
6160         (Archive::print_stats): New function.
6161         (Archive::total_archives, Archive::total_members)
6162         (Archive::total_members_loaded): New variables.
6163         (Archive::get_file_and_offset): New function.
6164         (Archive::get_elf_object_for_member): New function.
6165         (Archive::read_all_symbols): New function.
6166         (Archive::read_symbols): New function.
6167         (Archive::Archive_member): New class.
6168         (Archive::members_): New member.
6169         (Archive::num_members_): New member.
6170         * main.cc: Include archive.h.
6171         (main): Call Archive::print_stats.
6172         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6173         archive parameter; member_name is now the fully-decorated name.
6174         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6175         * options.h: (General_options): Add --preread-archive-symbols option.
6176         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6177         Archive::setup.
6178
6179 2008-08-04  Ian Lance Taylor  <iant@google.com>
6180
6181         * symtab.h (Symbol::use_plt_offset): New function.
6182         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6183         * powerpc.cc (Relocate::relocate): Likewise.
6184         * sparc.cc (Relocate::relocate): Likewise.
6185         * x86_64.cc (Relocate::relocate): Likewise.
6186         * testsuite/weak_plt.sh: New test.
6187         * testsuite/weak_plt_main.cc: New test.
6188         * testsuite/weak_plt_shared.cc: New test.
6189         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6190         (check_PROGRAMS): Add weak_plt.
6191         (check_DATA): Add weak_plt_shared.so.
6192         (weak_plt_main_pic.o, weak_plt): New targets.
6193         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6194         * testsuite/Makefile.in: Rebuild.
6195
6196         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6197         gcctestdir/ld.
6198         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6199         * testsuite/Makefile.in: Rebuild.
6200
6201 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6202
6203         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6204         * Makefile.in: Regenerate.
6205         * po/POTFILES.in: Regenerate.
6206
6207 2008-07-29  Ian Lance Taylor  <iant@google.com>
6208
6209         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6210         symbols before other symbols.
6211         * testsuite/script_test_2.cc (test_addr): Declare.
6212         (test_addr_alias): Declare.
6213         (main): Check that test_addr and test_addr_alias have the right
6214         values.
6215         * testsuite/script_test_2.t: Define test_addr_alias and
6216         test_addr.
6217
6218 2008-07-24  Ian Lance Taylor  <iant@google.com>
6219
6220         PR 5990
6221         * descriptors.cc: New file.
6222         * descriptors.h: New file.
6223         * gold-threads.h (class Hold_optional_lock): New class.
6224         * fileread.cc: Include "descriptors.h".
6225         (File_read::~File_read): Release descriptor rather than closing
6226         it.
6227         (File_read::open) [file]: Call open_descriptor rather than open.
6228         Set is_descriptor_opened_.
6229         (File_read::open) [memory]: Assert that descriptor is not open.
6230         (File_read::reopen_descriptor): New function.
6231         (File_read::release): Release descriptor.
6232         (File_read::do_read): Make non-const.  Reopen descriptor.
6233         (File_read::read): Make non-const.
6234         (File_read::make_view): Reopen descriptor.
6235         (File_read::do_readv): Likewise.
6236         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6237         Update declarations.
6238         * layout.cc: Include "descriptors.h".
6239         (Layout::create_build_id): Use open_descriptor rather than open.
6240         * output.cc: Include "descriptors.h".
6241         (Output_file::open): Use open_descriptor rather than open.
6242         * archive.cc (Archive::const_iterator): Change Archive to be
6243         non-const.
6244         (Archive::begin, Archive::end): Make non-const.
6245         (Archive::count_members): Likewise.
6246         * archive.h (class Archive): Update declarations.
6247         * object.h (Object::read): Make non-const.
6248         * Makefile.am (CCFILES): Add descriptors.cc.
6249         (HFILES): Add descriptors.h.
6250         * Makefile.in: Rebuild.
6251
6252         PR 6716
6253         * gold.h: Always include <clocale>.  Add Solaris workarounds
6254         following code in binutils/sysdep.h.
6255
6256         PR 6048
6257         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6258         this->eh_frame_hdr_ is NULL before using it.
6259
6260         * dynobj.cc (Versions::Versions): Update comment.
6261
6262         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6263         the base version name.
6264
6265         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6266         array size plus one.
6267         (Stringpool_template::set_string_offsets): Subtract one from key
6268         before using it as an array index.
6269         (Stringpool_template::get_offset_with_length): Likewise.
6270         (Stringpool_template::write_to_buffer): Likewise.
6271         * stringpool.h (Stringpool_template::get_offset_from_key):
6272         Likewise.
6273
6274 2008-07-23  Ian Lance Taylor  <iant@google.com>
6275
6276         PR 6658
6277         * object.h (Merged_symbol_value::value): Do our best to handle a
6278         negative addend.
6279
6280         PR 6647
6281         * script.cc (Version_script_info::get_versions): Don't add empty
6282         version tag to return value.
6283         (Version_script_info::get_symbol_version_helper): Change return
6284         type to bool.  Add pversion parameter.  Change all callers.
6285         (script_register_vers_node): Don't require a non-NULL tag.
6286         * script.h (class Version_script_info): Update declarations.
6287         (Version_script_info::get_symbol_version): Change return type to
6288         bool.  Add version parameter.  Change all callers.
6289         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6290         handling.  Handle an empty version from a version script.
6291         (Symbol_table::define_special_symbol): Likewise.
6292         * testsuite/ver_test_10.script: New file.
6293         * testsuite/ver_test_10.sh: New file.
6294         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6295         (check_DATA): Add ver_test_10.syms.
6296         (ver_test_10.syms, ver_test_10.so): New target.
6297         * testsuite/Makefile.in: Rebuild.
6298
6299 2008-07-23  Simon Baldwin  <simonb@google.com>
6300
6301         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6302         to zero for undefined symbols from dynamic libraries.
6303
6304 2008-07-23  Ian Lance Taylor  <iant@google.com>
6305
6306         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6307         Change all callers.
6308         * symtab.h (class Symbol_table): Update declaration.
6309         * testsuite/ver_test_9.cc: New file.
6310         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6311         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6312         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6313         (ver_test_9.so, ver_test_9.o): New targets.
6314         * testsuite/Makefile.in: Rebuild.
6315
6316 2008-07-22  Ian Lance Taylor  <iant@google.com>
6317
6318         * options.h (class General_options): Define --check-sections.
6319         * layout.cc (Layout::set_segment_offsets): Handle
6320         --check-sections.
6321
6322         * options.h (class General_options): Define -n/--nmagic and
6323         -N/--omagic.
6324         * options.cc (General_options::finalize): For -n/--nmagic or
6325         -N/--omagic, set -static.
6326         * layout.cc (Layout::attach_allocated_section_to_segment): If
6327         -N/--omagic, don't put read-only and read-write sections in
6328         different segments.
6329         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6330         finding a read-only segment.
6331         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6332         don't set the minimum segment alignment to the common page size,
6333         and don't set the file offset to the address modulo the page size.
6334         * script-sections.cc (Script_sections::create_segments): If
6335         -n/--omagic, don't put read-only and read-write sections in
6336         different segments.
6337
6338         * cref.cc: New file.
6339         * cref.h: New file.
6340         * options.h (class General_options): Add --print-symbol-counts.
6341         * main.cc (main): Issue defined symbol report if requested.
6342         * archive.cc (Archive::interpret_header): Make into a const member
6343         function.
6344         (Archive::add_symbols): Call Input_objects::archive_start and
6345         archive_stop.
6346         (Archive::const_iterator): Define new class.
6347         (Archive::begin, Archive::end): New functions.
6348         (Archive::include_all_members): Rewrite to use iterator.
6349         (Archive::count_members): New function.
6350         * archive.h (class Archive): Update declarations.
6351         (Archive::filename): New function.
6352         * object.cc: Include "cref.h".
6353         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6354         (Sized_relobj::do_get_global_symbol_counts): New function.
6355         (Input_objects::add_object): Add object to cross-referencer.
6356         (Input_objects::archive_start): New function.
6357         (Input_objects::archive_stop): New function.
6358         (Input_objects::print_symbol_counts): New function.
6359         * object.h: Declare Cref and Archive.
6360         (Object::get_global_symbol_counts): New function.
6361         (Object::do_get_global_symbol_counts): New pure virtual function.
6362         (class Sized_relobj): Add defined_count_ field.  Update
6363         declarations.
6364         (class Input_objects): Add cref_ field.  Update constructor.
6365         Update declarations.
6366         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6367         defined_count_.
6368         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6369         symbol counts.
6370         (Sized_dynobj::do_get_global_symbol_counts): New function.
6371         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6372         defined_count_.  Update declarations.  Define Symbols typedef.
6373         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6374         parameter.  Change all callers.
6375         (Symbol_table::add_from_dynobj): Add sympointers and defined
6376         parameters.  Change all callers.
6377         * symtab.h (class Symbol_table): Update declarations.
6378         * Makefile.am (CCFILES): Add cref.cc.
6379         (HFILES): Add cref.h.
6380         * Makefile.in: Rebuild.
6381
6382 2008-07-22  Simon Baldwin  <simonb@google.com>
6383
6384         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6385         to zero when writing undefined symbols.
6386
6387 2008-07-22  Ian Lance Taylor  <iant@google.com>
6388
6389         * output.cc (Output_section::add_input_section): Don't try to
6390         merge empty merge sections.
6391
6392 2008-07-21  Craig Silverstein  <csilvers@google.com>
6393
6394         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6395         Include symbol version in error message.
6396
6397 2008-07-20  Chris Demetriou  <cgd@google.com>
6398
6399         * configure.ac (gold_cv_c_random_seed): New configured variable.
6400         (RANDOM_SEED_CFLAGS): New substituted variable.
6401         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6402         * configure: Rebuild.
6403         * Makefile.in: Likewise.
6404         * testsuite/Makefile.in: Likewise.
6405
6406 2008-07-18  Ian Lance Taylor  <iant@google.com>
6407
6408         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6409         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6410         * testsuite/ver_test_main.cc (main): Call t4.
6411         (t4, t4_2a): Define.
6412         * testsuite/ver_test_2.cc (t4_2): Define.
6413         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6414         * testsuite/ver_test_4.cc (t4_2a): Define.
6415         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6416         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6417
6418 2008-07-17  Ian Lance Taylor  <iant@google.com>
6419
6420         * dynobj.cc (Versions::add_def): If we give an error about a
6421         missing version, go ahead and create the version anyhow.
6422
6423 2008-07-10  Ian Lance Taylor  <iant@google.com>
6424
6425         Handle output sections with more than 0x7fffffff bytes.
6426         * object.h (class Relobj): Change map_to_output_ to
6427         output_sections_, and just keep a section pointer.  Change all
6428         uses.  Move comdat group support to Sized_relobj.
6429         (Relobj::is_section_specially_mapped): Remove.
6430         (Relobj::output_section): Remove poff parameter.  Change all
6431         callers.
6432         (Relobj::output_section_offset): New function.
6433         (Relobj::set_section_offset): Rewrite.
6434         (Relobj::map_to_output): Remove.
6435         (Relobj::output_sections): New function.
6436         (Relobj::do_output_section_offset): New pure virtual function.
6437         (Relobj::do_set_section_offset): Likewise.
6438         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6439         group support from Relobj.  Update declarations.
6440         (Sized_relobj::get_output_section_offset): New function.
6441         (Sized_relobj::do_output_section_offset): New function.
6442         (Sized_relobj::do_set_section_offset): New function.
6443         * object.cc (Relobj::output_section_address): Remove.
6444         (Sized_relobj::Sized_relobj): Initialize new fields.
6445         (Sized_relobj::include_section_group): Cast find_kept_object to
6446         Sized_relobj.
6447         (Sized_relobj::include_linkonce_section): Likewise.
6448         (Sized_relobj::do_layout): Use separate arrays for output section
6449         and output offset.
6450         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6451         output_sections.
6452         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6453         output_sections and section_offsets.
6454         (Sized_relobj::write_local_symbols): Likewise.
6455         (map_to_kept_section): Compute output address directly.
6456         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6457         output_sections and section_offsets.
6458         (Sized_relobj::write_sections): Likewise.
6459         (Sized_relobj::relocate_sections): Likewise.
6460         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6461         * output.h (class Output_reloc): Update declarations.  Change
6462         u2_.relobj to Sized_relobj*.
6463         (class Output_data_reloc): Change add functions to use
6464         Sized_relobj*.
6465         * output.cc (Output_reloc::Output_reloc): Change relobj to
6466         Sized_relobj*.
6467         (Output_reloc::local_section_offset): Change return type to
6468         Elf_Addr.  Use get_output_section_offset.
6469         (Output_reloc::get_address): Likewise.
6470         (Output_section::is_input_address_mapped): Don't call
6471         is_section_specially_mapped.
6472         (Output_section::output_offset): Likewise.
6473         (Output_section::output_address): Likewise.
6474         (Output_section::starting_output_address): Likewise.
6475         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6476         parameter to Sized_relobj*.
6477         (Copy_relocs::need_copy_reloc): Likewise.
6478         (Copy_relocs::save): Likewise.
6479         * copy-relocs.h (class Copy_relocs): Update declarations.
6480         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6481         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6482         * target-reloc.h (relocate_for_relocatable): Change
6483         offset_in_output_section type to Elf_Addr.  Change code that uses
6484         it as well.
6485         * layout.cc (Layout::layout): Always set *off.
6486         * mapfile.cc (Mapfile::print_input_section): Use
6487         output_section_offset.
6488         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6489         Sized_relobj*.
6490         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6491         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6492         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6493
6494 2008-07-03  Ian Lance Taylor  <iant@google.com>
6495
6496         * layout.cc (Layout::include_section): Do not discard unrecognized
6497         SHT_STRTAB sections.
6498
6499 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6500
6501         * script.cc (Lex::can_continue_name): Make '?' allowable in
6502         version-script names.
6503         * testsuite/version_script.map: Change glob pattern to use '?'
6504
6505 2008-06-30  Manish Singh  <yosh@gimp.org>
6506
6507         PR 6585
6508         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6509         Correct typo.
6510
6511 2008-06-30  Ian Lance Taylor  <iant@google.com>
6512
6513         PR 6660
6514         PR 6682
6515         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6516         versions]: Don't try to read the value in the contents, since we
6517         don't use it.  Use the template endianness when writing.
6518
6519 2008-06-25  Cary Coutant  <ccoutant@google.com>
6520
6521         * fileread.cc (File_read::make_view): Assert on zero-length view.
6522         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6523         symbol table when there are no symbols to read.
6524
6525 2008-06-23  Craig Silverstein  <csilvers@google.com>
6526
6527         * version.cc (version_string): Bump to 1.7
6528
6529 2008-06-18  Craig Silverstein  <csilvers@google.com>
6530
6531         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6532         constant 0xFFFF to type Valtype.
6533         (Powerpc_relocate_functions::rel16_ha): Likewise.
6534
6535 2008-06-17  Ian Lance Taylor  <iant@google.com>
6536
6537         * output.h (Output_section::Input_section): Initialize p2align_ to
6538         zero for Output_section_data constructors.
6539         (Output_section::Input_section::addralign): If not an input
6540         section, return the alignment of the Output_section_data.
6541         * testsuite/copy_test.cc: New file.
6542         * testsuite/copy_test_1.cc: New file.
6543         * testsuite/copy_test_2.cc: New file.
6544         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6545         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6546         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6547         (copy_test_1_pic.o, copy_test_1.so): New targets.
6548         (copy_test_2_pic.o, copy_test_2.so): New targets.
6549         * testsuite/Makefile.in: Rebuild.
6550
6551         * script-sections.cc (Script_sections::place_orphan): Initialize
6552         local variable exact.
6553
6554 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6555
6556         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6557
6558 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6559             David S. Miller  <davem@davemloft.net>
6560
6561         * powerpc.cc: New file.
6562         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6563         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6564         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6565         * Makefile.in: Rebuild.
6566
6567 2008-06-09  Ian Lance Taylor  <iant@google.com>
6568
6569         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6570         <exception>.
6571         (throwing, orig_terminate): New static variables.
6572         (terminate_handler): New static function.
6573         (t2): Set terminate handler.
6574
6575 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6576
6577         PR 6584
6578         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6579         alignment.
6580
6581 2008-05-30  Cary Coutant  <ccoutant@google.com>
6582
6583         * archive.cc (Archive::include_all_members) Correct to step
6584         over symbol table and extended name table in thin archives.
6585
6586 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6587
6588         PR 6407
6589         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6590         calculation.
6591
6592 2008-05-28  Caleb Howe  <cshowe@google.com>
6593
6594         * reduced_debug_output.cc: New file.
6595         * reduced_debug_output.h: New file.
6596         * options.h (class General_options): Add --strip-debug-non-line.
6597         * options.cc (General_options::finalize): Add strip_debug_non_line
6598         to the strip heirarchy.
6599         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6600         fields.
6601         * layout.cc: Include "reduced_debug_output.h".
6602         (Layout::Layout): Initialize new fields.
6603         (line_only_debug_sections): New static array.
6604         (is_lines_only_debug_sections): New static inline function.
6605         (Layout::include_section): Handle --strip-debug-non-line.
6606         (Layout::make_output_section): If --strip-debug-non-line, build
6607         new output sections for .debug_abbrev and .debug_info.
6608         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6609         gold.  Warn about possible overflow.
6610         (read_signed_LEB_128): Likewise.
6611         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6612         (read_signed_LEB_128): Declare.
6613         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6614         (HFILES): Add reduced_debug_output.h.
6615         * Makefile.in: Rebuild.
6616
6617 2008-05-21  Ian Lance Taylor  <iant@google.com>
6618
6619         * mapfile.cc: New file.
6620         * mapfile.h: New file.
6621         * options.h (class General_options): Add -M/--print-map and -Map.
6622         * options.cc (General_options::finalize): Make -M equivalent to
6623         -Map -.
6624         * main.cc: Include <cstdio> and "mapfile.h".
6625         (main): Open mapfile if requested.
6626         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6627         constructor.  Change caller.
6628         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6629         (queue_middle_tasks): Likewise.
6630         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6631         declarations.
6632         * archive.cc: Include "mapfile.h".
6633         (Archive::add_symbols): Add mapfile parameter.  Change all
6634         callers.  Pass mapfile, symbol, and reason to include_member.
6635         (Archive::include_all_members): Add mapfile parameter.  Change all
6636         callers.
6637         (Archive::include_member): Add mapfile, sym, and why parameters.
6638         Change all callers.  Report inclusion to map file.
6639         * archive.h: Include "fileread.h".
6640         (class Archive): Update declarations.
6641         (Archive::file): New const method.
6642         (class Add_archive_symbols): Add mapfile_ field.  Update
6643         constructor.  Change all callers.
6644         * readsyms.h (class Read_symbols): Likewise.
6645         (class Finish_group): Likewise.
6646         (class Read_script): Likewise.
6647         * common.cc: Include "mapfile.h".
6648         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6649         all callers.
6650         (Symbol_table::do_allocate_commons): Likewise.
6651         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6652         symbol allocation to mapfile.
6653         * common.h (class Allocate_commons_task): Add mapfile_ field.
6654         Update constructor.  Change all callers.
6655         * symtab.h (class Symbol_table): Update declarations.
6656         * layout.cc: Include "mapfile.h".
6657         (Layout_task_runner::run): Print information to mapfile.
6658         (Layout::create_gold_note): Change Output_data_fixed_space to
6659         Output_data_zero_fill.
6660         (Layout::create_build_id): Likewise.
6661         (Layout::print_to_mapfile): New function.
6662         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6663         constructor.  Change caller.
6664         (class Layout): Declare print_to_mapfile.
6665         * output.cc (Output_section::Input_section::print_to_mapfile): New
6666         function.
6667         (Output_section::add_input_section): If producing a map, always
6668         add to input_sections_ list.
6669         (Output_section::do_print_to_mapfile): New function.
6670         (Output_segment::print_sections_to_mapfile): New function.
6671         (Output_segment::print_section_list_to_mapfile): New function.
6672         * output.h: Include "mapfile.h".
6673         (Output_data::print_to_mapfile): New function.
6674         (Output_data::do_print_to_mapfile): New virtual function.
6675         (Output_segment_headers::do_print_to_mapfile): New function.
6676         (Output_file_header::do_print_to_mapfile): New function.
6677         (Output_data_const::do_print_to_mapfile): New function.
6678         (class Output_data_const_buffer): Add map_name_ field.  Update
6679         constructor.  Change all callers.  Add do_print_to_mapfile
6680         function.
6681         (class Output_data_fixed_space): Likewise.
6682         (class Output_data_space): Likewise.
6683         (class Output_data_zero_fill): New class.
6684         (Output_data_strtab::do_print_to_mapfile): New function.
6685         (Output_data_reloc_base::do_print_to_mapfile): New function.
6686         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6687         (Output_data_group::do_print_to_mapfile): New function.
6688         (Output_data_got::do_print_to_mapfile): New function.
6689         (Output_data_dynamic::do_print_to_mapfile): New function.
6690         (Output_symtab_xindex::do_print_to_mapfile): New function.
6691         (class Output_section): Declare do_print_to_mapflie.  Declare
6692         print_to_mapfile in Input_section.
6693         (class Output_segment): Declare new functions.
6694         * object.h (Sized_relobj::symbol_count): New function.
6695         * script-sections.cc
6696         (Output_section_element_dot_assignment::set_section_addresses):
6697         Change Output_data_fixed_space to Output_data_zero_fill.
6698         (Output_data_expression::do_print_to_mapfile): New function.
6699         * script.cc (read_input_script): Add mapfile parameter.  Change
6700         all callers.
6701         * script.h (read_input_script): Update declaration.
6702         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6703         (Eh_frame::do_print_to_mapfile): New function.
6704         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6705         (Output_merge_string::do_print_to_mapfile): New function.
6706         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6707         function.
6708         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6709         function.
6710         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6711         function.
6712         * Makefile.am (CCFILES): Add mapfile.cc.
6713         (HFILES): Add mapfile.h.
6714         * Makefile.in: Rebuild.
6715
6716 2008-05-19  Ian Lance Taylor  <iant@google.com>
6717
6718         * options.h (class General_options): Add -z relro.
6719         * layout.cc (Layout::Layout): Initialize relro_segment_.
6720         (Layout::add_output_section_data): Return the output section.
6721         (Layout::make_output_section): Rcognize relro sections and mark
6722         them appropriately.
6723         (Layout::attach_allocated_section_to_segment): Put relro sections
6724         in a PT_GNU_RELRO segment.
6725         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6726         section as relro.
6727         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6728         PT_TLS segments.
6729         (Layout::linkonce_mapping): Map d.rel.ro.local to
6730         .data.rel.ro.local.
6731         (Layout::output_section_name): Us .data.rel.ro.local for any
6732         section which begins with that.
6733         * layout.h (class Layout): Update add_output_section_data
6734         declaration.  Add relro_segment_ field.
6735         * output.cc (Output_section::Output_section): Initialize is_relro_
6736         and is_relro_local_ fields.
6737         (Output_segment::add_output_section): Group relro sections.
6738         (Output_segment::is_first_section_relro): New function.
6739         (Output_segment::maximum_alignment): If there is a relro section,
6740         align the segment to the common page size.
6741         (Output_segment::set_section_addresses): Track whether we are
6742         looking at relro sections.  If the last section is a relro
6743         section, align to the common page size.
6744         (Output_segment::set_section_list_addresses): Add in_relro
6745         parameter.  Change all callers.  Align to the page size when
6746         moving from relro to non-relro section.
6747         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6748         segment.
6749         * output.h (class Output_section): Add is_relro_ and
6750         is_relro_local_ fields.
6751         (Output_section::is_relro): New function.
6752         (Output_section::set_is_relro): New function.
6753         (Output_section::is_relro_local): New function.
6754         (Output_section::set_is_relro_local): New function.
6755         (class Output_segment): Update declarations.
6756         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6757         * sparc.cc (Target_sparc::got_section): Likewise.
6758         * x86_64.cc (Target_x86_64::got_section): Likewise.
6759         * testsuite/relro_test_main.cc: New file.
6760         * testsuite/relro_test.cc: New file.
6761         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6762         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6763         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6764         (relro_test.so, relro_test_pic.o): New targets.
6765         * testsuite/Makefile.in: Rebuild.
6766
6767 2008-05-16  Ian Lance Taylor  <iant@google.com>
6768
6769         * output.cc (Output_segment::add_output_section): Remove front
6770         parameter.
6771         * output.h (class Output_segment): Remove
6772         add_initial_output_section and overloaded add_output_section.
6773         Update declaration of remaining add_output_section.
6774         * layout.cc (Layout::create_interp): Call add_output_section
6775         rather than add_initial_output_section.
6776         (Layout::finish_dynamic_section): Likewise.
6777
6778         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6779         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6780         know the dynamic type.
6781         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6782         field.  Initialize it in constructor.
6783         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6784         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6785         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6786         reloc.
6787
6788         * output.cc (Output_reloc::get_address): Change return type to
6789         Elf_Addr.
6790         * output.h (class Output_reloc): Update get_address declaration.
6791         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6792         for section addresses.
6793
6794 2008-05-09  Ian Lance Taylor  <iant@google.com>
6795
6796         PR 6493
6797         * gold.cc (gold_nomem): Use return value of write.
6798
6799 2008-05-08  Ian Lance Taylor  <iant@google.com>
6800
6801         * symtab.c (Symbol::init_base_output_data): Add version
6802         parameter.  Change all callers.
6803         (Symbol::init_base_output_segment): Likewise.
6804         (Symbol::init_base_constant): Likewise.
6805         (Symbol::init_base_undefined): Likewise.
6806         (Sized_symbol::init_output_data): Likewise.
6807         (Sized_symbol::init_output_segment): Likewise.
6808         (Sized_symbol::init_constant): Likewise.
6809         (Sized_symbol::init_undefined): Likewise.
6810         (Symbol_table::do_define_in_output_data): If the new symbol has a
6811         version, mark it as the default.
6812         (Symbol_table::do_define_in_output_segment): Likewise.
6813         (Symbol_table::do_define_as_constant): Likewise.
6814         * symtab.h (class Symbol): Update declarations.
6815         (class Sized_symbol): Likewise.
6816         * resolve.cc (Symbol::override_version): New function.
6817         (Symbol::override_base): Call override_version.
6818         (Symbol::override_base_with_special): Likewise.
6819         * testsuite/ver_script_8.script: New file.
6820         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6821         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6822         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6823         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6824
6825 2008-05-06  Ian Lance Taylor  <iant@google.com>
6826
6827         PR 6049
6828         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6829         functions.
6830         (class General_options): Remove existing --undefined, and add
6831         --no-undefined instead.  Add new --undefined as synonym for -u.
6832         * archive.cc (Archive::add_symbols): Check whether symbol was
6833         named with -u.
6834         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6835         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6836         all uses.  Add IS_UNDEFINED.  Update declarations to split
6837         different versions of init_base.  Declare init_base_undefined.
6838         (Symbol::is_defined): Handle IS_UNDEFINED.
6839         (Symbol::is_undefined): Likewise.
6840         (Symbol::is_weak_undefined): Call is_undefined.
6841         (Symbol::is_absolute): Handle IS_CONSTANT.
6842         (class Sized_symbol): Update declarations to split different
6843         versions of init.  Declare init_undefined.
6844         (class Symbol_table): Declare new functions.
6845         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6846         Change all callers.
6847         (Symbol::init_base_output_data): Likewise.
6848         (Symbol::init_base_output_segment): Likewise.
6849         (Symbol::init_base_constant): Likewise.
6850         (Symbol::init_base_undefined): New function.
6851         (Sized_symbol::init_object): Rename from init.  Change all
6852         callers.
6853         (Sized_symbol::init_output_data): Likewise.
6854         (Sized_symbol::init_output_segment): Likewise.
6855         (Sized_symbol::init_constant): Likewise.
6856         (Sized_symbol::init_undefined): New function.
6857         (Symbol_table::add_undefined_symbols_from_command_line): New
6858         function.
6859         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6860         function.
6861         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6862         (Symbol::output_section): Likewise.
6863         (Symbol::set_output_section): Likewise.
6864         (Symbol_table::sized_finalize_symbol): Likewise.
6865         (Symbol_table::sized_write_globals): Likewise.
6866         * resolve.cc (Symbol_table::should_override): Likewise.
6867         (Symbol::override_base_with_special): Likewise.
6868
6869         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6870         symbol, change it to have default visibility.
6871         * testsuite/protected_1.cc: New file.
6872         * testsuite/protected_2.cc: New file.
6873         * testsuite/protected_3.cc: New file.
6874         * testsuite/protected_main_1.cc: New file.
6875         * testsuite/protected_main_2.cc: New file.
6876         * testsuite/protected_main_3.cc: New file.
6877         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6878         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6879         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6880         (protected_1.so): New target.
6881         (protected_1_pic.o, protected_2_pic.o): New targets.
6882         (protected_3_pic.o): New target.
6883         (check_PROGRAMS): Add protected_2.
6884         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6885         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6886         * testsuite/Makefile.in: Rebuild.
6887
6888         * options.h (DEFINE_var): Add set_user_set_##varname__.
6889         (DEFINE_bool_alias): New macro.
6890         (class General_options): Define -Bstatic using DEFINE_bool_alias
6891         rather than DEFINE_special.  Add --undefined as an alias for -z
6892         defs.
6893         * options.cc (General_options::parse_Bstatic): Remove.
6894
6895         * options.h (class General_options): Add --fatal-warnings.
6896         * main.cc (main): Implement --fatal-warnings.
6897         * errors.h (Errors::warning_count): New function.
6898
6899         * options.h (class General_options): Add -Bsymbolic-functions.
6900         * symtab.h (Symbol::is_preemptible): Check for
6901         -Bsymbolic-functions.
6902
6903 2008-05-05  Ian Lance Taylor  <iant@google.com>
6904
6905         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6906         as noVARNAME rather than no-VARNAME.
6907         (class General_options): Add option -z combreloc.
6908         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6909         get_address.
6910         (Output_reloc::sort_before) [SHT_REL]: New function.
6911         (Output_reloc::sort_before) [SHT_RELA]: New function.
6912         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6913         Sort_relocs_comparison.
6914         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6915         parameter.  Change all callers.
6916         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6917         sort_relocs parameter.  Change all callers.
6918         * output.cc (Output_reloc::get_address): New function, broken out
6919         of write_rel.
6920         (Output_reloc::write_rel): Call it.
6921         (Output_reloc::compare): New function.
6922         (Output_data_reloc_base::do_write): Optionally sort relocs.
6923
6924         * configure.ac: If targ_extra_obj is set, link it in.
6925         * configure.tgt: Initialize all variables.
6926         (x86_64*): Set targ_extra_obj and targ_extra_size.
6927         * configure: Rebuild.
6928
6929         * object.cc (Sized_relobj::include_section_group): Adjust section
6930         indexes read from group data.  Build vector to pass to
6931         layout_group.
6932         * layout.cc (Layout::layout_group): Add flags and shndxes
6933         parameters.  Remove contents parameter.  Change caller.  Update
6934         explicit instantiations.
6935         * layout.h (class Layout): Update layout_group declaration.
6936         * output.cc (Output_data_group::Output_data_group): Add flags and
6937         input_shndxes parameters.  Remove contents parameter.  Change
6938         caller.
6939         (Output_data_group::do_write): Change input_sections_ to
6940         input_shndxes_.
6941         * output.h (class Output_data_group): Update constructor
6942         declaration.  Rename input_sections_ to input_shndxes_.
6943         * testsuite/many_sections_test.cc: Add template.
6944
6945 2008-04-30  Cary Coutant  <ccoutant@google.com>
6946
6947         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6948
6949         * layout.cc (Layout::include_section): Refactored check for debug
6950         info section.
6951         (Layout::add_comdat): Add new parameters.  Change type
6952         of signature parameter.  Add object and shndx to signatures table.
6953         (Layout::find_kept_object): New function.
6954         * layout.h: Include <cstring>.
6955         (Layout::is_debug_info_section): New function.
6956         (Layout::add_comdat): Add new parameters.
6957         (Layout::find_kept_object): New function.
6958         (Layout::Kept_section): New struct.
6959         (Layout::Signatures): Change type of map range.
6960         * object.cc (Relobj::output_section_address): New function.
6961         (Sized_relobj::include_section_group): Add new parameters.  Change
6962         calls to Layout::add_comdat.  Change to build table of kept comdat
6963         groups and table mapping discarded sections to kept sections.
6964         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6965         (Sized_relobj::do_layout): Change calls to include_section_group and
6966         include_linkonce_section.
6967         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6968         value to zero when section is discarded.
6969         (Sized_relobj::map_to_kept_section): New function.
6970         * object.h (Relobj::output_section_address): New function.
6971         (Relobj::Comdat_group): New type.
6972         (Relobj::find_comdat_group): New function.
6973         (Relobj::Comdat_group_table): New type.
6974         (Relobj::Kept_comdat_section): New type.
6975         (Relobj::Kept_comdat_section_table): New type.
6976         (Relobj::add_comdat_group): New function.
6977         (Relobj::set_kept_comdat_section): New function.
6978         (Relobj::get_kept_comdat_section): New function.
6979         (Relobj::comdat_groups_): New field.
6980         (Relobj::kept_comdat_sections_): New field.
6981         (Symbol_value::input_value): Update comment.
6982         (Sized_relobj::map_to_kept_section) New function.
6983         (Sized_relobj::include_linkonce_section): Add new parameter.
6984         * target-reloc.h (Comdat_behavior): New type.
6985         (get_comdat_behavior): New function.
6986         (relocate_section): Add code to map a discarded section to the
6987         corresponding kept section when applying a relocation.
6988
6989 2008-04-30  Craig Silverstein  <csilvers@google.com>
6990
6991         * dwarf_reader.cc (next_generation_count): New static var.
6992         (Addr2line_cache_entry): New struct.
6993         (addr2line_cache): New static var.
6994         (Dwarf_line_info::one_addr2line): Added caching.
6995         (Dwarf_line_info::clear_addr2line_cache): New function.
6996         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6997         cache-size parameter.
6998         (Dwarf_line_info::one_addr2line_cache): New function.
6999         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7000         new cache-size argument to one_addr2line(), and clear cache.
7001
7002 2008-04-28  Cary Coutant  <ccoutant@google.com>
7003
7004         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7005         R_386_PC8 relocations.
7006
7007 2008-04-23  Ian Lance Taylor  <iant@google.com>
7008
7009         * object.cc (Sized_relobj::include_section_group): Check for
7010         invalid section group.
7011
7012         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7013         header size.
7014
7015         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7016         than read for file header.
7017         * archive.cc (Archive::include_member): Likewise.
7018
7019 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7020
7021         * aclocal.m4: Regenerate.
7022         * configure: Regenerate.
7023
7024 2008-04-19  Ian Lance Taylor  <iant@google.com>
7025
7026         * version.cc (version_string): Bump to 1.6.
7027
7028         * testsuite/Makefile.am (many_sections_r_test): New target.
7029         (many_sections_r_test_SOURCES): Remove.
7030         (many_sections_r_test_DEPENDENCIES): Remove.
7031         (many_sections_r_test_LDFLAGS): Remove.
7032         (many_sections_r_test_LDADD): Remove.
7033
7034         * object.cc (Sized_relobj::do_add_symbols): Always pass
7035         local_symbol_count_ to add_from_relobj.
7036
7037         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7038         every thousand variables.
7039         * testsuite/Makefile.in: Rebuild.
7040
7041         * object.cc (Xindex::initialize_symtab_xindex): New function.
7042         (Xindex::read_symtab_xindex): New function.
7043         (Xindex::sym_xindex_to_shndx): New function.
7044         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7045         available.
7046         (Sized_relobj::do_initialize_xindex): New function.
7047         (Sized_relobj::do_read_symbols): Adjust section links.
7048         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7049         parameter.  Change all callers.
7050         (Sized_relobj::include_section_group): Adjust section links and
7051         symbol section indexes.
7052         (Sized_relobj::do_layout): Adjust section links.
7053         (Sized_relobj::do_count_local_symbols): Adjust section links and
7054         symbol section indexes.
7055         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7056         ordinary and special symbols.
7057         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7058         dynsym_xindex parameters.  Change all callers.  Adjust section
7059         links.  Use SHN_XINDEX when needed.
7060         (Sized_relobj::get_symbol_location_info): Adjust section links.
7061         Don't get fooled by special symbols.
7062         * object.h (class Xindex): Define.
7063         (class Object): Add xindex_ parameter.  Declare virtual functoin
7064         do_initialize_xindex.
7065         (Object::adjust_sym_shndx): New function.
7066         (Object::set_xindex): New protected function.
7067         (class Symbol_value): Add is_ordinary_shndx_ field.
7068         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7069         (Symbol_value::value): Assert ordinary section.
7070         (Symbol_value::initialize_input_to_output_map): Likewise.
7071         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7072         Change all callers.
7073         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7074         all callers.
7075         (class Sized_relobj): Update declarations.
7076         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7077         parameter.  Change all callers.
7078         (Sized_relobj::adjust_shndx): New function.
7079         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7080         field.
7081         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7082         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7083         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7084         (Sized_dynobj::read_dynsym_section): Adjust section links.
7085         (Sized_dynobj::read_dynamic): Likewise.
7086         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7087         section links.
7088         (Sized_dynobj::do_initialize_xindex): New function.
7089         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7090         do_initialize_xindex.
7091         (Sized_dynobj::adjust_shndx): New function.
7092         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7093         dynsym_xindex_ fields.
7094         (Layout::finalize): Add a call to set_section_indexes before
7095         creating the symtab sections.
7096         (Layout::set_section_indexes): Don't do anything if the section
7097         already has a section index.
7098         (Layout::create_symtab_sections): Add shnum parameter.  Change
7099         caller.  Create .symtab_shndx section if needed.
7100         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7101         caller.
7102         (Layout::allocated_output_section_count): New function.
7103         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7104         needed.
7105         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7106         fields.  Update declarations.
7107         (Layout::symtab_xindex): New function.
7108         (Layout::dynsym_xindex): New function.
7109         (class Write_symbols_task): Add layout_ field.
7110         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7111         Change caller.
7112         * output.cc (Output_section_headers::Output_section_headers): Add
7113         shstrtab_section parameter.  Change all callers.
7114         (Output_section_headers::do_sized_write): Store overflow values
7115         for section count and section string table section index in
7116         section header zero.
7117         (Output_file_header::do_sized_write): Check for overflow of
7118         section count and section string table section index.
7119         (Output_symtab_xindex::do_write): New function.
7120         (Output_symtab_xindex::endian_do_write): New function.
7121         * output.h (class Output_section_headers): Add shstrtab_section_.
7122         Update declarations.
7123         (class Output_symtab_xindex): Define.
7124         (Output_section::has_out_shndx): New function.
7125         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7126         field.
7127         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7128         Change all callers.
7129         (Sized_symbol::init): Likewise.
7130         (Symbol::output_section): Check for ordinary symbol.
7131         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7132         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7133         callers.
7134         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7135         Change all callers.  Simplify handling of symbols from sections
7136         not included in the link.
7137         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7138         distinction.
7139         (Weak_alias_sorter::operator()): Assert that symbols are
7140         ordinary.
7141         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7142         distinction.
7143         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7144         parameters.  Change all callers.
7145         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7146         symbol distinction.  Use SHN_XINDEX when needed.
7147         (Symbol_table::write_section_symbol): Add symtab_xindex
7148         parameter.  Change all callers.
7149         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7150         SHN_XINDEX when needed.
7151         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7152         declarations.
7153         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7154         (Symbol::is_defined): Check is_ordinary.
7155         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7156         (Symbol::is_absolute, Symbol::is_common): Likewise.
7157         (class Sized_symbol): Update declarations.
7158         (class Symbol_table): Update declarations.
7159         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7160         parameters.  Change all callers.
7161         (Sized_symbol::override): Likewise.
7162         (Symbol_table::override): Likewise.
7163         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7164         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7165         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7166         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7167         to be in an ordinary section.
7168         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7169         object and is_ordinary parameters.  Change all callers.
7170         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7171         Change all callers.  Don't add undefined or non-ordinary symbols
7172         to reloc_map_.
7173         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7174         Change all callers.
7175         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7176         declarations.
7177         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7178         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7179         (Sized_relobj::relocate_sections): Likewise.
7180         * target-reloc.h (scan_relocs): Adjust section symbol index.
7181         (scan_relocatable_relocs): Likewise.
7182         * i386.cc (Scan::local): Check for ordinary symbols.
7183         * sparc.cc (Scan::local): Likewise.
7184         * x86_64.cc (Scan::local): Likewise.
7185         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7186         to symbol_section_and_value.
7187         * testsuite/many_sections_test.cc: New file.
7188         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7189         (check_PROGRAMS): Add many_sections_test.
7190         (many_sections_test_SOURCES): Define.
7191         (many_sections_test_DEPENDENCIES): Define.
7192         (many_sections_test_LDFLAGS): Define.
7193         (BUILT_SOURCES): Add many_sections_define.h.
7194         (many_sections_define.h): New target.
7195         (BUILT_SOURCES): Add many_sections_check.h.
7196         (many_sections_check.h): New target.
7197         (check_PROGRAMS): Add many_sections_r_test.
7198         (many_sections_r_test_SOURCES): Define.
7199         (many_sections_r_test_DEPENDENCIES): Define.
7200         (many_sections_r_test_LDFLAGS): Define.
7201         (many_sections_r_test_LDADD): Define.
7202         (many_sections_r_test.o): New target.
7203         * testsuite/Makefile.in: Rebuild.
7204
7205 2008-04-17  Cary Coutant  <ccoutant@google.com>
7206
7207         * errors.cc (Errors::info): New function.
7208         (gold_info): New function.
7209         * errors.h (Errors::info): New function.
7210         * gold.h (gold_info): New function.
7211         * object.cc (Input_objects::add_object): Print trace output.
7212         * options.cc (options::parse_set): New function.
7213         (General_options::parse_wrap): Deleted.
7214         (General_options::General_options): Deleted initializer.
7215         * options.h (options::String_set): New typedef.
7216         (options::parse_set): New function.
7217         (DEFINE_set): New macro.
7218         (General_options::wrap): Changed to use DEFINE_set. Changed
7219         callers of any_wrap_symbols and is_wrap_symbol.
7220         (General_options::trace, General_options::trace_symbol):
7221         New options.
7222         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7223         (General_options::wrap_symbols_): Deleted.
7224         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7225
7226 2008-04-17  David S. Miller  <davem@davemloft.net>
7227
7228         * options.cc (General_options::parse_V): New function.
7229         * options.h: Add entries for -V and -Qy.
7230
7231 2008-04-17  Ian Lance Taylor  <iant@google.com>
7232
7233         * common.cc (Symbol_table::allocate_commons): Remove options
7234         parameter.  Change caller.
7235         (Symbol_table::do_allocate_commons): Remove options parameter.
7236         Change caller.  Just call do_allocate_commons_list twice.
7237         (Symbol_table::do_allocate_commons_list): New function, broken out
7238         of do_allocate_commons.
7239         * common.h (class Allocate_commons_task): Remove options_ field.
7240         Update constructor.
7241         * symtab.cc (Symbol_table::Symbol_table): Initialize
7242         tls_commons_.
7243         (Symbol_table::add_from_object): Put TLS common symbols on
7244         tls_commons_ list.
7245         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7246         which are IN_OUTPUT_DATA.
7247         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7248         allocate_commons and do_allocate_commons declarations.  Declare
7249         do_allocate_commons_list.
7250         * gold.cc (queue_middle_tasks): Update creation of
7251         Allocate_commons_task to not pass options.
7252         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7253         (TLS_TEST_C_FLAGS): New variable.
7254         (tls_test_c_pic.o): New target.
7255         (tls_test_shared.so): Link in tls_test_c_pic.o.
7256         (tls_test_c_pic_ie.o): New target.
7257         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7258         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7259         (tls_test_c.o): New target.
7260         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7261         (tls_pic_test_LDADD): Likewise.
7262         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7263         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7264         (tls_test_c_gnu2.o): New target.
7265         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7266         tls_test_c_gnu2.o.
7267         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7268         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7269         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7270         * testsuite/tls_test.cc: Include "config.h".
7271         (t_last): Call t11_last.
7272         * testsuite/tls_test.h (t11, t11_last): Declare.
7273         * testsuite/tls_test_c.c: New file.
7274         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7275         * configure.ac: Check for OpenMP support.
7276         * configure, config.in, Makefile.in: Rebuild.
7277         * testsuite/Makefile.in: Rebuild.
7278
7279 2008-04-16  Cary Coutant  <ccoutant@google.com>
7280
7281         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7282         (Target_i386::tls_base_symbol_defined_): New field.
7283         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7284         (Target_i386::Scan::global): Likewise.
7285         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7286         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7287         (Target_x86_64::tls_base_symbol_defined_): New field.
7288         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7289         (Target_x86_64::Scan::global): Likewise.
7290
7291 2008-04-16  Cary Coutant  <ccoutant@google.com>
7292
7293         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7294         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7295         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7296         building shared libraries.
7297         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7298         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7299         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7300         * testsuite/Makefile.in: Rebuild.
7301         * testsuite/weak_undef.h: New file.
7302         * testsuite/weak_undef_file1.cc: Add extra test cases.
7303         * testsuite/weak_undef_file2.cc: Likewise.
7304         * testsuite/weak_undef_test.cc: Likewise.
7305
7306 2008-04-16  David S. Miller  <davem@davemloft.net>
7307
7308         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7309         Add issued_non_pic_error_ field.  Declare check_non_pic.
7310         (Target_sparc::Scan::check_non_pic): New function.
7311         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7312         (Target_sparc::Scan::global): Likewise.
7313
7314         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7315         * configure: Rebuild.
7316
7317         * options.h (DEFINE_enable): New macro.
7318         (new_dtags): New enable option.
7319         (initfirst, interpose, loadfltr, nodefaultlib,
7320         nodelete, nodlopen, nodump): New -z options.
7321         * layout.cc (Layout:finish_dynamic_section): If new
7322         dtags enabled, emit DT_RUNPATH.  Also, emit a
7323         DT_FLAGS_1 containing any specified -z flags.
7324
7325 2008-04-16  Ian Lance Taylor  <iant@google.com>
7326
7327         * copy-relocs.cc: New file.
7328         * copy-relocs.h: New file.
7329         * reloc.cc: Remove Copy_relocs code.
7330         * reloc.h: Likewise.
7331         * reloc-types.h (struct Reloc_types) [both versions]: Add
7332         get_reloc_addend_noerror.
7333         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7334         variants of add_global which take an addend which must be zero.
7335         * i386.cc: Include "copy-relocs.h".
7336         (class Target_i386): Change type of copy_relocs_ to variable,
7337         update initializer.
7338         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7339         Change all callers.
7340         (Target_i386::do_finalize_sections): Change handling of
7341         copy_relocs_.
7342         * sparc.cc: Include "copy-relocs.h".
7343         (class Target_sparc): Change type of copy_relocs_ to variable,
7344         update initializer.
7345         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7346         Change all callers.
7347         (Target_sparc::do_finalize_sections): Change handling of
7348         copy_relocs_.
7349         * x86_64.cc: Include "copy-relocs.h".
7350         (class Target_x86_64): Change type of copy_relocs_ to variable,
7351         update initializer.
7352         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7353         class.  Change all callers.
7354         (Target_x86_64::do_finalize_sections): Change handling of
7355         copy_relocs_.
7356         * Makefile.am (CCFILES): Add copy-relocs.cc.
7357         (HFILES): Add copy-relocs.h.
7358
7359         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7360
7361         * testsuite/script_test_4.sh: Permit leading zeroes.
7362
7363 2008-04-15  Ian Lance Taylor  <iant@google.com>
7364
7365         * script-sections.cc (Script_sections::create_segments): Use
7366         header_size_adjustment even when there is enough room for the
7367         headers.
7368         * testsuite/script_test_4.sh: New file.
7369         * testsuite/script_test_4.t: New file.
7370         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7371         (check_DATA): Add script_test_4.stdout.
7372         (MOSTLYCLEANFILES): Likewise.
7373         (script_test_4): New target.
7374         (script_test_4.stdout): New target.
7375         * testsuite/Makefile.in: Rebuild.
7376
7377         * sparc.cc: Add definitions for Output_data_plt_sparc class
7378         constants.
7379
7380 2008-04-14  David S. Miller  <davem@davemloft.net>
7381
7382         * sparc.cc: New file.
7383         * Makefile.am (TARGETSOURCES): Add sparc.cc
7384         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7385         * configure.tgt: Document targ_extra_size and
7386         targ_extra_big_endian.  Add entries for sparc-* and
7387         sparc64-*.
7388         * configure.ac: Handle targ_extra_size and
7389         targ_extra_big_endian.
7390         * Makefile.in: Rebuild.
7391         * configure: Likewise.
7392         * po/POTFILES.in: Likewise.
7393         * po/gold.pot: Likewise.
7394
7395 2008-04-14  Ian Lance Taylor  <iant@google.com>
7396
7397         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7398         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7399         in the name/type/flags to section mapping.  Don't call
7400         allocate_output_section.
7401         (Layout::choose_output_section): Change parameter from adjust_name
7402         to is_input_section.  Don't permit input sections after sections
7403         are attached to segments.  Don't call allocate_output_section.
7404         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7405         not write_enable_output_section.
7406         (Layout::make_output_section): Don't push to
7407         unattached_section_list_ nor call attach_to_segment.  Call
7408         attach_section_to_segment if sections are attached.
7409         (Layout::attach_sections_to_segments): New function.
7410         (Layout::attach_section_to_segment): New function.
7411         (Layout::attach_allocated_section_to_segment): Rename from
7412         attach_to_segment.  Remove flags parameter.
7413         (Layout::allocate_output_section): Remove function.
7414         (Layout::write_enable_output_section): Remove function.
7415         * layout.h (class Layout): Update for above changes.  Add new
7416         field sections_are_attached_.
7417         * output.h (Output_section::update_flags_for_input_section): New
7418         function.
7419         * output.cc (Output_section::add_input_section): Call
7420         update_flags_for_input_section.
7421         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7422
7423 2008-04-11  Cary Coutant  <ccoutant@google.com>
7424
7425         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7426         thought unnecessary.
7427         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7428
7429 2008-04-11  Ian Lance Taylor  <iant@google.com>
7430
7431         * output.h (class Output_section_data): Remove inline definition
7432         of set_addralign.
7433         * output.cc (Output_section_data::set_addralign): New function.
7434
7435 2008-04-11  Cary Coutant  <ccoutant@google.com>
7436
7437         Add support for TLS descriptors for i386 and x86_64.
7438         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7439         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7440         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7441         GOT_TYPE_TLS_DESC.
7442         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7443         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7444         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7445         relocations.
7446         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7447         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7448         Fix problem with initial-exec relocations.
7449         (Target_i386::Relocate::relocate_tls): Likewise.
7450         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7451         relaxation.
7452         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7453         support for section-plus-offset dynamic table entries.
7454         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7455         (Output_data_dynamic::Dynamic_entry): Add support for
7456         section-plus-offset dynamic table entries.
7457         (Output_data_dynamic::Classification): Likewise.
7458         (Output_data_dynamic::classification_): Renamed offset_.
7459         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7460         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7461         (Target_x86_64::make_plt_section): New function.
7462         (Target_x86_64::reserve_tlsdesc_entries): New function.
7463         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7464         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7465         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7466         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7467         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7468         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7469         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7470         add extra PLT entry for TLS descriptors.
7471         (Output_data_plt_x86_64::got_): New field.
7472         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7473         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7474         fields.
7475         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7476         descriptors.
7477         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7478         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7479         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7480         R_386_TLS_DESC_CALL relocations.
7481         (Target_x86_64::Scan::global): Likewise.
7482         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7483         for TLS descriptors.
7484         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7485         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7486         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7487         GD-to-IE relaxation.
7488         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7489         and TLS_DESCRIPTORS.
7490         * Makefile.in: Rebuild.
7491         * configure: Rebuild.
7492         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7493         (tls_test_shared2.so): New target.
7494         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7495         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7496         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7497         (tls_shared_gd_to_ie_test_LDADD): New variable.
7498         (tls_shared_gnu2_gd_to_ie_test): New target.
7499         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7500         New targets.
7501         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7502         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7503         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7504         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7505         (tls_shared_gnu2_test): New target.
7506         (tls_test_gnu2_shared.so): New target.
7507         (tls_shared_gnu2_test_SOURCES): New variable.
7508         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7509         (tls_shared_gnu2_test_LDFLAGS): New variable.
7510         (tls_shared_gnu2_test_LDADD): New variable.
7511         * testsuite/Makefile.in: Rebuild.
7512         * testsuite/Makefile.
7513
7514 2008-04-11  Ian Lance Taylor  <iant@google.com>
7515
7516         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7517         justsyms.t.
7518         * testsuite/Makefile.in: Rebuild.
7519
7520         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7521         long.
7522         * testsuite/script_test_2.cc (main): Adjust test.
7523
7524 2008-04-11  David S. Miller  <davem@davemloft.net>
7525             Ian Lance Taylor  <iant@google.com>
7526
7527         * options.h (General_options): Add entries for '-Y' and
7528         '-relax'.
7529         * options.cc (General_options:finalize): If -Y was used, add those
7530         entries to the library path instead of the default "/lib" and
7531         "/usr/lib".
7532
7533 2008-04-11  David S. Miller  <davem@davemloft.net>
7534
7535         * testsuite/justsyms.t: Start at 0x100.
7536         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7537         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7538         long.
7539         * testsuite/script_test_2.cc: Adjust string and section length
7540         checks.
7541
7542 2008-04-09  Ian Lance Taylor  <iant@google.com>
7543
7544         PR gold/5996
7545         * script-sections.cc (Sections_element::allocate_to_segment): Add
7546         orphan parameter.
7547         (Output_section_definition::allocate_to_segment): Likewise.
7548         (Orphan_output_section::allocate_to_segment): Likewise.
7549         (Script_sections::attach_sections_using_phdrs_clause): Don't
7550         propagate non-PT_LOAD segments to orphan sections.
7551         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7552         readelf rather than objdump.
7553         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7554         .interp section and PT_INTERP segment are the same size.
7555         * testsuite/Makefile.in: Rebuild.
7556
7557         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7558         aliases for symbols defined in the same object.
7559         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7560         (weak_alias_test_SOURCES): New variable.
7561         (weak_alias_test_DEPENDENCIES): New variable.
7562         (weak_alias_test_LDFLAGS): New variable.
7563         (weak_alias_test_LDADD): New variable.
7564         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7565         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7566         (weak_alias_test_3.o): New target.
7567         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7568         * testsuite/weak_alias_test_main.cc: New file.
7569         * testsuite/weak_alias_test_1.cc: New file.
7570         * testsuite/weak_alias_test_2.cc: New file.
7571         * testsuite/weak_alias_test_3.cc: New file.
7572
7573 2008-04-08  Ian Lance Taylor  <iant@google.com>
7574
7575         * options.h (class General_options): Add --noinhibit-exec option.
7576         * main.cc (main): Check --noinhibit-exec.
7577
7578         * options.h (class General_options): Define --wrap as a special
7579         option.  Add wrap_symbols_ field.
7580         (General_options::any_wrap_symbols): New function.
7581         (General_options::is_wrap_symbol): New function.
7582         * options.cc (General_options::parse_wrap): New function.
7583         (General_options::General_options): Initialize wrap_symbols_.
7584         * symtab.cc (Symbol_table::wrap_symbol): New function.
7585         (Symbol_table::add_from_object): Handle --wrap.
7586         * symtab.h (class Symbol_table): Declare wrap_symbol.
7587         * target.h (Target::wrap_char): New function.
7588         (Target::Target_info): Add wrap_char field.
7589         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7590         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7591         * testsuite/testfile.cc (Target_test::test_target_info):
7592         Likewise.
7593
7594         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7595         there is one.
7596
7597         * layout.h (class Layout): Add added_eh_frame_data_ field.
7598         * layout.cc (Layout::Layout): Initialize new field.
7599         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7600         output section until we find a section we merged successfully.
7601         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7602         that the size be non-zero.
7603
7604         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7605         qualifier.
7606
7607 2008-04-08  Craig Silverstein  <csilvers@google.com>
7608
7609         * configure.ac: Export new conditional variable HAVE_ZLIB.
7610         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7611         on HAVE_ZLIB.
7612         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7613         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7614
7615 2008-04-07  Ian Lance Taylor  <iant@google.com>
7616
7617         * version.cc (version_string): Set to "1.5".
7618
7619         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7620         Add issued_non_pic_error_ field.  Declare check_non_pic.
7621         (Target_x86_64::Scan::check_non_pic): New function.
7622         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7623         (Target_x86_64::Scan::global): Likewise.
7624
7625         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7626         addend parameter.  Change caller.  Handle merge sections.
7627         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7628         Address to Addend.  Don't add in the result of
7629         local_section_offset, pass down the addend and use the returned
7630         value.
7631         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7632         Update declarations of local_section_offset and symbol_value.
7633         * testsuite/two_file_test_1.cc (t18): New function.
7634         * testsuite/two_file_test_2.cc (f18): New function.
7635         * testsuite/two_file_test_main.cc (main): Call t18.
7636         * testsuite/two_file_test.h (t18, f18): Declare.
7637
7638         * configure.ac: Don't test for objdump, c++filt, or readelf.
7639         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7640         conditionals.
7641         (TEST_READELF): New variable.
7642         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7643         (check_PROGRAMS): Add two_file_strip_test.
7644         (two_file_strip_test): New target.
7645         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7646         (two_file_same_shared_strip_test_SOURCES): New variable.
7647         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7648         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7649         (two_file_same_shared_strip_test_LDADD): New variable.
7650         (two_file_shared_strip.so): New target.
7651         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7652         (ver_test_5.syms, ver_test_7.syms): Likewise.
7653         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7654         (strip_test_3.stdout): Use TEST_OBJDUMP.
7655         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7656
7657 2008-04-04  Cary Coutant  <ccoutant@google.com>
7658
7659         * symtab.h (Symbol::is_weak_undefined): New function.
7660         (Symbol::is_strong_undefined): New function.
7661         (Symbol::is_absolute): New function.
7662         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7663         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7664         absolute symbols.
7665         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7666         (weak_undef_test): New target.
7667         * testsuite/Makefile.in: Rebuild.
7668         * testsuite/weak_undef_file1.cc: New file.
7669         * testsuite/weak_undef_file2.cc: New file.
7670         * testsuite/weak_undef_test.cc: New file.
7671
7672 2008-04-03  Craig Silverstein  <csilvers@google.com>
7673
7674         * compressed_output.h (class Output_compressed_section): Use
7675         unsigned buffer.
7676         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7677         add zlib header.
7678         (zlib_compressed_suffix): Removed.
7679         (Output_compressed_section::set_final_data_size): Use unsigned
7680         buffers.
7681         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7682         Fix linker invocation.
7683         (flagstest_o_specialfile_and_compress_debug_sections):
7684         Likewise.
7685         * testsuite/Makefile.in: Regenerated.
7686
7687 2008-04-02  David S. Miller  <davem@davemloft.net>
7688
7689         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7690         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7691
7692 2008-04-02  Craig Silverstein  <csilvers@google.com>
7693
7694         * TODO: New file.
7695
7696 2008-04-02  Ian Lance Taylor  <iant@google.com>
7697
7698         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7699         parameters.  Update for new key type to views_.  Change all
7700         callers.
7701         (File_read::read): Adjust for byteshift in returned view.
7702         (File_read::add_view): New function, broken out of
7703         find_and_make_view.
7704         (File_read::make_view): New function, broken out of
7705         find_and_make_view.
7706         (File_read::find_or_make_view): Add offset and aligned
7707         parameters.  Rewrite accordingly.  Change all callers.
7708         (File_read::get_view): Add offset and aligned parameters.  Adjust
7709         for byteshift in return value.
7710         (File_read::get_lasting_view): Likewise.
7711         * fileread.h (class File_read): Update declarations.
7712         (class File_read::View): Add byteshift_ field.  Add byteshift to
7713         constructor.  Add byteshift method.
7714         * archive.h (Archive::clear_uncached_views): New function.
7715         (Archive::get_view): Add aligned parameter.  Change all callers.
7716         * object.h (Object::get_view): Add aligned parameter.  Change all
7717         callers.
7718         (Object::get_lasting_view): Likewise.
7719
7720         * fileread.cc (File_read::release): Don't call clear_views if
7721         there are multiple objects.
7722         * fileread.h (File_read::clear_uncached_views): New function.
7723         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7724         on the archive.
7725
7726 2008-03-31  Cary Coutant  <ccoutant@google.com>
7727
7728         Add thin archive support.
7729         * archive.cc (Archive::armagt): New const.
7730         (Archive::setup): Remove task parameter and calls to unlock.
7731         (Archive::unlock_nested_archives): New function.
7732         (Archive::read_header): Add nested_off parameter. Change
7733         all callers.
7734         (Archive::interpret_header): Likewise.
7735         (Archive::include_all_members): Change to handle thin
7736         archives.
7737         (Archive::include_member): Likewise.
7738         * archive.h (Archive::Archive): Add new parameters and
7739         initializers.
7740         (Archive::armagt): New const.
7741         (Archive::setup): Remove task parameter.
7742         (Archive::unlock_nested_archives): New function.
7743         (Archive::read_header): Add nested_off parameter.
7744         (Archive::interpret_header): Likewise.
7745         (Archive::Nested_archive_table): New typedef.
7746         (Archive::is_thin_archive_): New field.
7747         (Archive::nested_archives_): New field.
7748         (Archive::options_): New field.
7749         (Archive::dirpath_): New field.
7750         (Archive::task_): New field.
7751         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7752         for thin archives.  Pass additional parameters to
7753         Archive::Archive.  Unlock the archive file after calling
7754         Archive::setup.
7755
7756 2008-03-29  Ian Lance Taylor  <iant@google.com>
7757
7758         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7759         version symbol to be local.
7760         * testsuite/ver_test_4.sh: New file.
7761         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7762         (check_DATA): Add ver_test_4.syms.
7763         (ver_test_4.syms): New target.
7764         * testsuite/Makefile.in: Rebuild.
7765
7766         * output.cc
7767         (Output_section::Input_section_sort_entry::has_priority): New
7768         function.
7769         (Output_section::Input_section_sort_entry::match_file_name): New
7770         function.
7771         (Output_section::Input_section_sort_entry::match_section_name):
7772         Remove.
7773         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7774         Remove.
7775         (Output_section::Input_section_sort_entry::match_section_file):
7776         Remove.
7777         (Output_section::Input_section_sort_compare::operator()): Rewrite
7778         using new Input_section_sort_entry functions.  Sort crtbegin and
7779         crtend first.  Sort sections with no priority before sections with
7780         a priority.
7781         * testsuite/initpri1.c (d3): Check j != 4.
7782         (cd5): New constructor/destructor function.
7783         (main): Check j != 2.
7784
7785         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7786         new symbol when resolving, don't call set_is_default.
7787         * testsuite/ver_test_7.cc: New file.
7788         * testsuite/ver_test_7.sh: New file.
7789         * testsuite/Makefile.am (ver_test_7.so): New target.
7790         (ver_test_7.o): New target.
7791         (check_SCRIPTS): Add ver_test_7.sh.
7792         (check_DATA): Add ver_test_7.syms.
7793         (ver_test_7.syms): New target.
7794
7795 2008-03-28  Ian Lance Taylor  <iant@google.com>
7796
7797         * layout.cc (Layout::layout): If we see an input section with a
7798         name that needs sorting, set the must_sort flag for the output
7799         section.
7800         (Layout::make_output_section): If the name of the output section
7801         indicates that it might require sorting, set the may_sort flag.
7802         * output.h (Output_section::may_sort_attached_input_sections): New
7803         function.
7804         (Output_section::set_may_sort_attached_input_sections): New
7805         function.
7806         (Output_section::must_sort_attached_input_sections): New
7807         function.
7808         (Output_section::set_must_sort_attached_input_sections): New
7809         function.
7810         (class Output_section): Declare Input_section_sort_entry.  Define
7811         Input_section_sort_compare.  Declare
7812         sort_attached_input_sections.  Add new fields:
7813         may_sort_attached_input_sections_,
7814         must_sort_attached_input_sections_,
7815         attached_input_sections_are_sorted_.
7816         * output.cc (Output_section::Output_section): Initialize new
7817         fields.
7818         (Output_section::add_input_section): Add an entry to
7819         input_sections_ if may_sort or must_sort are true.
7820         (Output_section::set_final_data_size): Call
7821         sort_attached_input_sections if necessary.
7822         (Output_section::Input_section_sort_entry): Define new class.
7823         (Output_section::Input_section_sort_compare::operator()): New
7824         function.
7825         (Output_section::sort_attached_input_sections): New function.
7826         * configure.ac: Check whether the compiler supports constructor
7827         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7828         * testsuite/initpri1.c: New file.
7829         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7830         CONSTRUCTOR_PRIORITY.
7831         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7832         (initpri1_LDFLAGS): New variable.
7833         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7834
7835 2008-03-27  Ian Lance Taylor  <iant@google.com>
7836
7837         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7838         * testsuite/common_test_1.c: New file.
7839         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7840         (common_test_1_SOURCES): New variable.
7841         (common_test_1_DEPENDENCIES): New variable.
7842         (common_test_1_LDFLAGS): New variable.
7843
7844         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7845         and commons_ correctly when NAME/VERSION does not override
7846         NAME/NULL.
7847         * testsuite/ver_test_6.c: New file.
7848         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7849         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7850         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7851
7852 2008-03-26  Ian Lance Taylor  <iant@google.com>
7853
7854         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7855         of an undefined symbol from a version script.
7856         * testsuite/Makefile.am (ver_test_5.so): New target.
7857         (ver_test_5.o): New target.
7858         (check_SCRIPTS): Add ver_test_5.sh.
7859         (check_DATA): Add ver_test_5.syms.
7860         (ver_test_5.syms): New target.
7861         * testsuite/ver_test_5.cc: New file.
7862         * testsuite/ver_test_5.script: New file.
7863         * testsuite/ver_test_5.sh: New file.
7864         * Makefile.in, testsuite/Makefile.in: Rebuild.
7865
7866         PR gold/5986
7867         Fix problems building gold with gcc 4.3.0.
7868         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7869         (gold_error_at_location, gold_warning_at_location): Use it.
7870         * configure.ac: Check whether we can compile and use a template
7871         function with a printf attribute.
7872         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7873         when jumping over bytes.
7874         * object.cc: Instantiate Object::read_section_data.
7875         * debug.h: Include <cstring>
7876         * dwarf_reader.cc: Include <algorithm>
7877         * main.cc: Include <cstring>.
7878         * options.cc: Include <cstring>.
7879         * output.cc: Include <cstring>.
7880         * script.cc: Include <cstring>.
7881         * script.h: Include <string>.
7882         * symtab.cc: Include <cstring> and <algorithm>.
7883         * target-select.cc: Include <cstring>.
7884         * version.cc: Include <string>.
7885         * testsuite/testmain.cc: Include <cstdlib>.
7886         * configure, config.in: Rebuild.
7887
7888 2008-03-25  Ian Lance Taylor  <iant@google.com>
7889
7890         * options.cc: Include "../bfd/bfdver.h".
7891         (options::help): Print bug reporting address.
7892
7893         * version.cc (print_version): Adjust output for current value of
7894         BFD_VERSION_STRING.
7895
7896         * NEWS: New file.
7897
7898         * options.cc (options::help): Print list of supported targets.
7899         * target-select.h: Include <vector>.
7900         (class Target_selector): Make machine_, size_, and is_big_endian_
7901         fields const.  Add bfd_name_ and instantiated_target_ fields.
7902         (Target_selector::Target_selector): Add bfd_name parameter.
7903         (Target_selector::recognize): Make non-virtual, call
7904         do_recognize.
7905         (Target_selector::recognize_by_name): Make non-virtual, call
7906         do_recognize_by_name.
7907         (Target_selector::supported_names): New function.
7908         (Target_selector::bfd_name): New function.
7909         (Target_selector::do_instantiate_target): New pure virtual
7910         function.
7911         (Target_selector::do_recognize): New virtual function.
7912         (Target_selector::do_recognize_by_name): New virtual function.
7913         (Target_selector::instantiate_target): New private function.
7914         (supported_target_names): Declare.
7915         * target-select.cc (Target_selector::Target_selector): Update for
7916         new parameter and fields.
7917         (select_target_by_name): Check that the name matches before
7918         calling recognize_by_name.
7919         (supported_target_names): New function.
7920         * i386.cc (class Target_selector_i386): Update Target_selector
7921         constructor call.  Remove recognize and recognize_by_name.  Add
7922         do_instantiate_target.
7923         * x86_64.cc (class Target_selector_x86_64): Likewise.
7924         * testsuite/testfile.cc (class Target_selector_test): Update for
7925         changes to Target_selector.
7926
7927         * README: Rewrite, with some notes on unsupported features.
7928
7929 2008-03-24  Cary Coutant  <ccoutant@google.com>
7930
7931         * i386.cc (Target_i386::Got_type): New enum declaration.
7932         (Target_i386::Scan::local): Updated callers of Output_data_got
7933         member functions.
7934         (Target_i386::Scan::global): Likewise.
7935         (Target_i386::Relocate::relocate): Likewise.
7936         (Target_i386::Relocate::relocate_tls): Likewise.
7937         * object.h (Got_offset_list): New class.
7938         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7939         (Sized_relobj::local_got_offset): Likewise.
7940         (Sized_relobj::set_local_got_offset): Likewise.
7941         (Sized_relobj::local_has_tls_got_offset): Removed.
7942         (Sized_relobj::local_tls_got_offset): Removed.
7943         (Sized_relobj::set_local_tls_got_offset): Removed.
7944         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7945         * output.cc (Output_data_got::add_global): Added got_type parameter.
7946         (Output_data_got::add_global_with_rel): Likewise.
7947         (Output_data_got::add_global_with_rela): Likewise.
7948         (Output_data_got::add_global_pair_with_rel): New function.
7949         (Output_data_got::add_global_pair_with_rela): New function.
7950         (Output_data_got::add_local): Added got_type parameter.
7951         (Output_data_got::add_local_with_rel): Likewise.
7952         (Output_data_got::add_local_with_rela): Likewise.
7953         (Output_data_got::add_local_pair_with_rel): New function.
7954         (Output_data_got::add_local_pair_with_rela): New function.
7955         (Output_data_got::add_global_tls): Removed.
7956         (Output_data_got::add_global_tls_with_rel): Removed.
7957         (Output_data_got::add_global_tls_with_rela): Removed.
7958         (Output_data_got::add_local_tls): Removed.
7959         (Output_data_got::add_local_tls_with_rel): Removed.
7960         (Output_data_got::add_local_tls_with_rela): Removed.
7961         * output.h (Output_data_got::add_global): Added got_type parameter.
7962         (Output_data_got::add_global_with_rel): Likewise.
7963         (Output_data_got::add_global_with_rela): Likewise.
7964         (Output_data_got::add_global_pair_with_rel): New function.
7965         (Output_data_got::add_global_pair_with_rela): New function.
7966         (Output_data_got::add_local): Added got_type parameter.
7967         (Output_data_got::add_local_with_rel): Likewise.
7968         (Output_data_got::add_local_with_rela): Likewise.
7969         (Output_data_got::add_local_pair_with_rel): New function.
7970         (Output_data_got::add_local_pair_with_rela): New function.
7971         (Output_data_got::add_global_tls): Removed.
7972         (Output_data_got::add_global_tls_with_rel): Removed.
7973         (Output_data_got::add_global_tls_with_rela): Removed.
7974         (Output_data_got::add_local_tls): Removed.
7975         (Output_data_got::add_local_tls_with_rel): Removed.
7976         (Output_data_got::add_local_tls_with_rela): Removed.
7977         * resolve.cc (Symbol::override_base_with_special): Removed
7978         reference to has_got_offset_ field.
7979         * symtab.cc (Symbol::init_fields): Replaced initialization
7980         of got_offset_ with got_offsets_.  Removed initialization
7981         of has_got_offset_
7982         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7983         (Symbol::got_offset): Likewise.
7984         (Symbol::set_got_offset): Likewise.
7985         (Symbol::has_tls_got_offset): Removed.
7986         (Symbol::tls_got_offset): Removed.
7987         (Symbol::set_tls_got_offset): Removed.
7988         (Symbol::got_offset_): Removed.
7989         (Symbol::tls_mod_got_offset_): Removed.
7990         (Symbol::tls_pair_got_offset_): Removed.
7991         (Symbol::got_offsets_): New field.
7992         (Symbol::has_got_offset): Removed.
7993         (Symbol::has_tls_mod_got_offset): Removed.
7994         (Symbol::has_tls_pair_got_offset): Removed.
7995         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7996         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7997         member functions.
7998         (Target_x86_64::Scan::global): Likewise.
7999         (Target_x86_64::Relocate::relocate): Likewise.
8000         (Target_x86_64::Relocate::relocate_tls): Likewise.
8001
8002 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8003
8004         * yyscript.y: Fix spelling error in comment.
8005
8006 2008-03-24  Ian Lance Taylor  <iant@google.com>
8007
8008         * options.h (class General_options): Define build_id option.
8009         * layout.h (class Layout): Declare write_build_id, create_note,
8010         create_build_id.  Add build_id_note_ member.
8011         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8012         "libiberty.h", "md5.h", "sha1.h".
8013         (Layout::Layout): Initialize eh_frame_data_,
8014         eh_frame_hdr_section_, and build_id_note_.
8015         (Layout::finalize): Call create_build_id.
8016         (Layout::create_note): New function, broken out of
8017         Layout::create_gold_note.
8018         (Layout::create_gold_note): Call create_note.
8019         (Layout::create_build_id): New function.
8020         (Layout::write_build_id): New function.
8021         (Close_task_runner::run): Call write_build_id.
8022
8023         * x86_64.cc: Correct license to GPLv3.
8024
8025 2008-03-23  Ian Lance Taylor  <iant@google.com>
8026
8027         * options.cc: Include "demangle.h".
8028         (parse_optional_string): New function.
8029         (parse_long_option): Handle takes_optional_argument.
8030         (parse_short_option): Update dash_z initializer.  Handle
8031         takes_optional_argument.
8032         (General_options::General_options): Initialize do_demangle_.
8033         (General_options::finalize): Set do_demangle_.  Handle demangling
8034         style.
8035         * options.h (parse_optional_string): Declare.
8036         (struct One_option): Add optional_arg field.  Update constructor.
8037         Update call constructor calls.  Add takes_optional_argument
8038         function.
8039         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8040         (DEFINE_optional_string): Define.
8041         (General_options::demangle): Change from DEFINE_bool to
8042         DEFINE_optional_string.
8043         (General_options::no_demangle): New function.
8044         (General_options::do_demangle): New function.
8045         (General_options::set_do_demangle): New function.
8046         (General_options::execstack_status_): Move definition to end of
8047         class definition.
8048         (General_options::static_): Likewise.
8049         (General_options::do_demangle_): New field.
8050         * object.cc (big_endian>::get_symbol_location_info): Call
8051         Options::do_demangle, not Options::demangle.
8052         * symtab.cc (demangle): Likewise.
8053
8054 2008-03-22  Ian Lance Taylor  <iant@google.com>
8055
8056         * gold.h: Include <cstddef> and <sys/types.h>
8057         * options.h: Include <cstring>.
8058
8059 2008-03-21  Ian Lance Taylor  <iant@google.com>
8060
8061         * Added source code to GNU binutils.