gold/ChangeLog

   1 2010-01-05  Ian Lance Taylor  <iant@google.com>
   2
   3         * options.h (class General_options): Use DEFINE_bool_alias for
   4         allow_multiple_definition.
   5         * resolve.cc (Symbol_table::should_override): Don't test
   6         allow_multiple_definition.
   7
   8         PR 10980
   9         * options.h (class General_options): Add --cref.
  10         * main.cc (main): Print cref table if --cref.  Don't close mapfile
  11         until after printing cref table.
  12         * cref.cc: Include "symtab.h".
  13         (class Cref_inputs): Define Cref_table_compare and Cref_table.
  14         (Cref_table_compare::operator()): New function.
  15         (Cref_inputs::gather_cref): New function.
  16         (filecol): New static const.
  17         (Cref_inputs::print_cref): New function.
  18         (Cref::print_cref): New function.
  19         * cref.h: Include <cstdio>.
  20         (class Cref): Update declarations.
  21         * mapfile.h (Mapfile::file): New function.
  22         * object.h (class Object): Define Symbols.  Declare virtual
  23         do_get_global_symbols.
  24         (Object::get_global_symbols): New function.
  25         * object.cc (Input_objects::add_object): Pass object to cref_ if
  26         --cref.
  27         (Input_objects::archive_start): Likewise.
  28         (Input_objects::archive_stop): Likewise.
  29         (Input_objects::print_cref): New function.
  30         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
  31         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
  32         --cref.
  33         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
  34         function.
  35         * plugin.h (class Sized_pluginobj): Update declarations.
  36
  37 2010-01-05  Ian Lance Taylor  <iant@google.com>
  38
  39         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
  40         to is_default_version.  Rename insdef to insdefault.
  41         (Symbol_table::add_from_relobj): Rename def to is_default_version
  42         and local to is_forced_local.
  43         (Symbol_table::add_from_pluginobj): Likewise.
  44         (Symbol_table::add_from_dynobj): Likewise.
  45         (Symbol_table::define_special_symbol): Rename insdef to
  46         insdefault.
  47
  48 2010-01-04  Ian Lance Taylor  <iant@google.com>
  49
  50         PR 10980
  51         * options.h (class General_options): Add
  52         --allow-multiple-definition and -z muldefs.
  53         * resolve.cc (Symbol_table::should_override): Don't warn about a
  54         multiple symbol definition if --allow-multiple-definition or -z
  55         muldefs.
  56
  57         PR 10980
  58         * options.h (class General_options): Add --add-needed and
  59         --copy-dt-needed-entries.  Tweak --as-needed help entry.
  60         * object.cc (Input_objects::check_dynamic_dependencies): Give an
  61         error if --copy-dt-needed-entries aka --add-needed is used and
  62         would cause a change in behaviour.
  63
  64         PR 10980
  65         * options.h (class General_options): Add -G as a short version of
  66         --shared.  Add no-op options -assert, -g, and -i.
  67
  68 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
  69
  70         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
  71         check for .text or .gnu.linkonce.t sections.
  72         * icf.cc (Icf::find_identical_sections): Ditto.
  73         Change the detection for mangled function name within the section
  74         name.
  75         * icf.h (is_section_foldable_candidate): New function.
  76
  77 2009-12-30  Ian Lance Taylor  <iant@google.com>
  78
  79         PR 10980
  80         * options.h (class General_options): Permit two dashes with
  81         --retain-symbols-file.
  82
  83 2009-12-30  Ian Lance Taylor  <iant@google.com>
  84
  85         PR 10979
  86         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
  87         don't put the file header and segment headers in the text
  88         segment.
  89
  90         PR 10979
  91         * common.cc (Sort_commons::operator()): Stabilize sort when both
  92         entries are NULL.
  93         (Symbol_table::do_allocate_commons_list): When allocating common
  94         symbols, skip a symbol which is no longer common.
  95         * symtab.h (Symbol::is_common): Test whether the symbol comes from
  96         an object before checking its type.
  97         * testsuite/common_test_2.c: New file.
  98         * testsuite/common_test_3.c: New file.
  99         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 100         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 101         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 102         (common_test_2_pic.o, common_test_2.so): New targets.
 103         (common_test_3_pic.o, common_test_3.so): New targets.
 104         * testsuite/Makefile.in: Rebuild.
 105
 106         PR 10979
 107         * script.cc (read_input_script): If we see a new SECTIONS clause,
 108         and we have added an input section, give an error.
 109         * layout.h (class Layout): Add have_added_input_section function.
 110         Add have_added_input_section_ field.
 111         * layout.cc (Layout::Layout): Initialize
 112         have_added_input_section_.
 113         (Layout::layout): Set have_added_input_section_.
 114         (Layout::layout_eh_frame): Likewise.
 115
 116 2009-12-30  Ian Lance Taylor  <iant@google.com>
 117
 118         PR 10931
 119         * options.h (class General_options): Add --sort-common option.
 120         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 121         * common.cc (Sort_common): Add sort_order parameter to
 122         constructor.  Add sort_order_ field.
 123         (Sort_commons::operator): Check sort_order_.
 124         (Symbol_table::allocate_commons): Determine the sort order.
 125         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 126         Change all callers.
 127         (Symbol_table::do_allocate_commons_list): Likewise.
 128
 129 2009-12-30  Ian Lance Taylor  <iant@google.com>
 130
 131         PR 10916
 132         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 133         symbols from this object, don't change the visibility of an
 134         undefined symbol.
 135         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 136
 137 2009-12-30  Ian Lance Taylor  <iant@google.com>
 138
 139         PR 10861
 140         * script.h (class Version_script_info): Define Language enum.
 141         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 142         new fields globals_, locals_, and is_finalized_.
 143         * script.cc: Various formatting fixes.
 144         (class Parser_closure): Change language_stack_ from a vector of
 145         std::string to one of Version_script_info::Language.  Adjust all
 146         uses accordingly.
 147         (class Lazy_demangler): Remove.
 148         (struct Version_expression): Change language from std::string to
 149         Version_script_info::Language.
 150         (Version_script_info::Version_script_info): New function.
 151         (Version_script_info::~Version_script_info): Don't call clear.
 152         (Version_script_info::finalize): New function.
 153         (Version_script_info::build_lookup_tables): New function.
 154         (Version_script_info::build_expression_list_lookup): New
 155         function.
 156         (Version_script_info::get_symbol_version_helper): Rewrite to use
 157         lookup tables.
 158         (Version_script_info::print_expression_list): Adjust to use
 159         Version_script_info::Language.
 160         (script_push_lex_into_version_mode): Check that the version script
 161         has not been finalized.
 162         (version_script_push_lang): Change language string to
 163         Version_script_info::Language.
 164         * options.cc (Command_line::version_script): New function.
 165         * options.h (class General_options): Add finalize_dynamic_list
 166         function.  Change version_script from declaration to definition.
 167         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 168         * testsuite/version_script.map: Remove duplicate def of foo.
 169         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 170         version_script.map.
 171         * testsuite/Makefile.in: Rebuild.
 172
 173 2009-12-30  Ian Lance Taylor  <iant@google.com>
 174
 175         PR 10843
 176         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 177         if the input symbol index is 0, make the output symbol index 0.
 178
 179 2009-12-30  Ian Lance Taylor  <iant@google.com>
 180
 181         PR 10670
 182         * options.h (class General_options): Add -x/--discard-all.
 183         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 184         --discard-all.  If the local symbol needs a dynamic entry, check
 185         that before handling --discard-locals.
 186
 187 2009-12-30  Ian Lance Taylor  <iant@google.com>
 188
 189         PR 10450
 190         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 191         flags to PF_R.
 192         (Output_segment::add_output_section): Don't change the flags if
 193         the type is PT_TLS.
 194
 195         PR 10450
 196         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 197         GNU hash table if they need a dynamic value.  Otherwise, don't add
 198         them if they are defined in a dynamic object or are forced local.
 199
 200 2009-12-29  Ian Lance Taylor  <iant@google.com>
 201
 202         PR 10450
 203         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 204         .gnu.hash table for a 32-bit target.
 205
 206         PR 10450
 207         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 208         regular and a dynamic object only needs a dynamic symbol table
 209         entry if it is externally visible.
 210
 211         PR 10450
 212         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 213         constructor.  Add global_offset_table_ field.
 214         (Target_i386::got_section): Set global_offset_table_.
 215         (Target_i386::do_finalize_sections): Set global_offset_table_
 216         size.
 217         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 218         in constructor.  Add global_offset_table_ field.
 219         (Target_x86_64::got_section): Set global_offset_table_.
 220         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 221         size.
 222
 223         * layout.cc (Layout::Layout): Initialize increase_relro_.
 224         (Layout::get_output_section): Add is_relro, is_last_relro, and
 225         is_first_non_relro parameters.  Change all callers.
 226         (Layout::choose_output_section): Likewise.
 227         (Layout::add_output_section_data): Likewise.
 228         (Layout::make_output_section): Likewise.
 229         (Layout::set_segment_offsets): Clear increase_relro when using a
 230         linker script.
 231         * layout.h (class Layout): Add increase_relro method.  Add
 232         increase_relro_ field.  Update declarations.
 233         * output.cc (Output_section::Output_section): Initialize
 234         is_last_relro_ and is_first_non_relro_.
 235         (Output_segment::add_output_section): Group relro sections is
 236         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 237         (Output_segment::maximum_alignment): Remove relro handling.
 238         (Output_segment::set_section_addresses): Add increase_relro
 239         parameter.  Change all callers.  Add initial alignment to align
 240         relro sections on separate page.  Remove old relro handling.
 241         (Output_segment::set_section_list_addresses): Remove in_relro
 242         parameter.  Change all callers.
 243         (Output_segment::set_offset): Add increase parameter.  Change all
 244         callers.  Remove old relro handling.
 245         * output.h (class Output_section): Add new methods: is_last_relro,
 246         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 247         Add is_last_relro_ and is_first_non_relro_ fields.
 248         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 249         Create separate .got.plt section.  Call increase_relro.
 250         * x86_64.cc (Target_x86_64::got_section): Likewise.
 251         * testsuite/relro_script_test.t: Add .got.plt.
 252
 253         PR 10450
 254         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 255         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 256         (Layout::finalize): Call set_dynamic_symbol_size.
 257         (Layout::set_dynamic_symbol_size): New function.
 258         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 259         set_dynamic_symbol_size.
 260
 261         PR 10450
 262         * output.h (class Output_section): Add is_entsize_zero_ field.
 263         * output.cc (Output_section::Output_section): Initialize
 264         is_entsize_zero_.
 265         (Output_section::set_entsize): If two different entsizes are
 266         requested, force it to zero.
 267         (Output_section::add_input_section): Set flags for .debug_str
 268         before updating section flags.  Set entsize.
 269         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 270         and SHF_STRING if all input sections have those flags.
 271
 272 2009-12-29   Rafael Espindola  <espindola@google.com>
 273
 274         * main.cc (main): Fix the sys time reporting.
 275         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 276         reporting.
 277
 278 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 279
 280         * options.cc (General_options::parse_version): Allow -v to exit
 281         without an error if there is nothing to link.
 282
 283 2009-12-29  Ian Lance Taylor  <iant@google.com>
 284
 285         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 286         using a version of gcc before 4.1.
 287         * configure: Rebuild.
 288
 289 2009-12-28  Chris Demetriou  <cgd@google.com>
 290
 291         * attributes.cc (Output_attributes_section_data::do_write): Use
 292         std::vector::front rather than std::vector::data.
 293
 294 2009-12-28  Ian Lance Taylor  <iant@google.com>
 295
 296         * symtab.h (class Symbol_table): Add enum Defined.
 297         * resolve.cc (Symbol_table::should_override): Add defined
 298         parameter.  Change all callers.  Test whether object is NULL
 299         before calling a method on it.
 300         (Symbol_table::report_resolve_problem): Add defined parameter.
 301         Change all callers.
 302         (Symbol_table::should_override_with_special): Likewise.
 303         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 304         parameter.  Change all callers.
 305         (Symbol_table::do_define_in_output_data): Likewise.
 306         (Symbol_table::define_in_output_segment): Likewise.
 307         (Symbol_table::do_define_in_output_segment): Likewise.
 308         (Symbol_table::define_as_constant): Likewise.
 309         (Symbol_table::do_define_as_constant): Likewise.
 310         * script.h (class Symbol_assignment): Add is_defsym parameter to
 311         constructor; change all callers.
 312         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 313         parameter.  Change all callers.  Add is_defsym_ field.
 314         (class Parser_closure): Add parsing_defsym parameter to
 315         constructor; change all callers.  Add parsing_defsym accessor
 316         function.  Add parsing_defsym_ field.
 317
 318 2009-12-28  Ian Lance Taylor  <iant@google.com>
 319
 320         * gold.cc (queue_middle_tasks): Fix formatting.
 321         * object.cc (Relobj::is_section_name_included): Likewise.
 322
 323 2009-12-23  Ian Lance Taylor  <iant@google.com>
 324
 325         * i386.cc (Target_i386::do_calls_non_split): Recognize
 326         -fsplit-stack prologue for a function with a static chain.
 327         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 328         -fsplit-stack prologue when using %r11.
 329
 330 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 331
 332         * options.cc (General_options::parse_version): Make -v continue and do
 333         the link like GNU ld does.
 334
 335 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 336
 337         * Makefile.am (CCFILES): Add timer.cc.
 338         (HFILES): Add timer.h.
 339         * configure.ac: Check for sysconf and times.
 340         * main.cc: include timer.h.
 341         (main): Use Timer instead of get_run_time.
 342         * timer.cc: New.
 343         * timer.h: New.
 344         * workqueue.cc: include timer.h.
 345         (Workqueue::find_and_run_task):
 346         Report user, sys and wall time.
 347         * Makefile.in: Regenerate.
 348         * config.in: Regenerate.
 349         * configure: Regenerate.
 350
 351 2009-12-16  Doug Kwan  <dougkwan@google.com>
 352
 353         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 354         sections.
 355         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 356         relaxed input sections.
 357         * output.cc (Output_section::find_relaxed_input_section): Change
 358         return type to Output_relaxed_input_section pointer.  Adjust code
 359         for new type of relaxed_input_section_map_.
 360         * output.h (Output_section::find_relaxed_input_section): Change
 361         return type to Output_relaxed_input_section pointer.
 362         (Output_section::Output_relaxed_input_section_by_input_section_map):
 363         New type.
 364         (Output_section::relaxed_input_section_map_): Change type to
 365         Output_section::Output_relaxed_input_section_by_input_section_map.
 366         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 367         input section.
 368
 369 2009-12-15  Ian Lance Taylor  <iant@google.com>
 370
 371         * layout.cc (Layout::create_shstrtab): Only write out after input
 372         sections if we are compressing debug sections.
 373
 374 2009-12-15  Ian Lance Taylor  <iant@google.com>
 375
 376         * archive.cc (Archive::add_symbols): Only look up a symbol without
 377         a version if there is, in fact, a version.
 378
 379 2009-12-14  Ian Lance Taylor  <iant@google.com>
 380
 381         Revert -Wshadow changes, all changes from:
 382         2009-12-11  Doug Kwan  <dougkwan@google.com>
 383         2009-12-11  Nick Clifton  <nickc@redhat.com>
 384         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 385
 386 2009-12-11  Doug Kwan  <dougkwan@google.com>
 387
 388         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 389         due to -Wshadow.
 390         * attributes.cc (Object_attribute::size): Ditto.
 391         (Attributes_section_data::size): Ditto.
 392         (Attributes_section_data::Attributes_section_data): Ditto.
 393         (Output_attributes_section_data::do_write): Ditto.
 394         * attributes.h (Object_attribute::set_type): Ditto.
 395         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 396
 397 2009-12-11  Nick Clifton  <nickc@redhat.com>
 398
 399         * archive.cc: Fix shadowed variable warnings.
 400         * arm.cc: Likewise.
 401         * compressed_output.cc: Likewise.
 402         * compressed_output.h: Likewise.
 403         * configure: Likewise.
 404         * dwarf_reader.cc: Likewise.
 405         * dynobj.cc: Likewise.
 406         * dynobj.h: Likewise.
 407         * ehframe.cc: Likewise.
 408         * ehframe.h: Likewise.
 409         * errors.cc: Likewise.
 410         * expression.cc: Likewise.
 411         * fileread.cc: Likewise.
 412         * fileread.h: Likewise.
 413         * freebsd.h: Likewise.
 414         * i386.cc: Likewise.
 415         * icf.cc: Likewise.
 416         * incremental.h: Likewise.
 417         * layout.cc: Likewise.
 418         * layout.h: Likewise.
 419         * mapfile.cc: Likewise.
 420         * merge.cc: Likewise.
 421         * merge.h: Likewise.
 422         * object.cc: Likewise.
 423         * object.h: Likewise.
 424         * options.h: Likewise.
 425         * output.cc: Likewise.
 426         * output.h: Likewise.
 427         * parameters.cc: Likewise.
 428         * plugin.cc: Likewise.
 429         * powerpc.cc: Likewise.
 430         * reduced_debug_output.cc: Likewise.
 431         * reduced_debug_output.h: Likewise.
 432         * reloc.cc: Likewise.
 433         * reloc.h: Likewise.
 434         * resolve.cc: Likewise.
 435         * script-sections.cc: Likewise.
 436         * script.cc: Likewise.
 437         * script.h: Likewise.
 438         * sparc.cc: Likewise.
 439         * symtab.cc: Likewise.
 440         * symtab.h: Likewise.
 441         * target-select.cc: Likewise.
 442         * target-select.h: Likewise.
 443         * token.h: Likewise.
 444         * workqueue.cc: Likewise.
 445         * workqueue.h: Likewise.
 446         * x86_64.cc: Likewise.
 447
 448 2009-12-10  Doug Kwan  <dougkwan@google.com>
 449
 450         * arm.cc (attributes.h): New include.
 451         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 452         (Arm_relobj::~Arm_relobj): Delete object pointed by
 453         attributes_section_data_.
 454         (Arm_relobj::attributes_section_data): New method definition.
 455         (Arm_relobj::attributes_section_data_): New data member declaration.
 456         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 457         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 458         attributes_section_data_.
 459         (Arm_dynobj::attributes_section_data): New method definition.
 460         (Arm_dynobj::attributes_section_data_): New data member declaration.
 461         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 462         initialization value of may_use_blx_ to false.
 463         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 464         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 465         object attributes to compute results instead of hard-coding.
 466         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 467         Target_arm::get_secondary_compatible_arch,
 468         Target_arm::set_secondary_compatible_arch
 469         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 470         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 471         New method declarations.
 472         (Target_arm::get_aeabi_object_attribute): New method definition.
 473         (Target_arm::attributes_section_data_): New data member declaration.
 474         (read_arm_attributes_section): New template definition.
 475         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 476         (Arm_dynobj::do_read_symbols): Ditto.
 477         (Target_arm::do_finalize_sections): Merge attributes sections from
 478         input.  Check for BLX use after attributes section merging.
 479         Fix __exidx_start and __exidx_end visibility.  Create an
 480         .ARM.attributes section if necessary.
 481         (Target_arm::get_secondary_compatible_arch,
 482         Target_arm::set_secondary_compatible_arch,
 483         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 484         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 485         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 486         New method definitions.
 487
 488 2009-12-09  Ian Lance Taylor  <iant@google.com>
 489
 490         * plugin.cc (Plugin::load): Don't cast from void* to a function
 491         pointer.
 492
 493 2009-12-09  Ian Lance Taylor  <iant@google.com>
 494
 495         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 496         information fields.
 497
 498 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 499
 500         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 501         Replace two_file_shared_1.so with two_file_shared_2.so.
 502         * testsuite/Makefile.in: Regenerated.
 503
 504 2009-12-08  Doug Kwan  <dougkwan@google.com>
 505
 506         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 507         (HFILES): Add attributes.h and int_encoding.h.
 508         * Makefile.in: Regenerate.
 509         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 510         function definitions to int_encoding.cc
 511         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 512         prototypes to int_encoding.h
 513         * reduced_debug_output.cc (int_encoding.h): New include.
 514         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 515         function definitions to int_encoding.cc
 516         (insert_into_vector, read_from_pointer): Move template definitions to
 517         int_encoding.h
 518         * attributes.cc: New file.
 519         * attributes.h: New file.
 520         * int_encoding.cc: New file.
 521         * int_encoding.h: New file.
 522
 523 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 524
 525         PR gold/11055
 526         * incremental-dump.cc (dump_incremental_inputs): New.
 527         (main): Use dump_incremental_inputs.
 528
 529 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 530
 531         PR gold/10893
 532         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 533         checking elfcpp::STT_FUNC.
 534         (Target_i386::Relocate::relocate): Likewise.
 535         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 536
 537         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 538         symbols from shared libraries into normal FUNC symbols.
 539
 540         * symtab.h (Symbol): Add is_func and use it.
 541
 542 2009-12-05  Doug Kwan  <dougkwan@google.com>
 543
 544         * arm.cc (Target_arm::arm_info): Initialize new fields
 545         attributes_section and attributes_vendor.
 546         * i386.cc (Target_i386::i386_info): Same.
 547         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 548         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 549         fields attributes_section and attributes_vendor.
 550         * sparc.cc (Target_sparc::sparc_info): Same.
 551         * target.h (Target::attributes_section, Target::attributes_vendor,
 552         Target::is_attributes_section, Target::attribute_arg_type,
 553         Target::attributes_order): New method definitions.
 554         (Target::Target_info::attributes_section,
 555         Target::Target_info::attributes_vendor): New fields.
 556         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 557         virtual method definitions.
 558         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 559         attributes_section and attributes_vendor.
 560         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 561
 562 2009-12-05  Doug Kwan  <dougkwan@google.com>
 563
 564         * arm.cc: Update comments about interworking and stub generation.
 565         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 566         considered as non-PIC.
 567         (Arm_relocate_functions::base_abs): Fix formatting.
 568         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 569         of function to use GOT entry address instead of offset.
 570         (Target_arm::Scan::global): Issue an error if a symbol would need a
 571         PLT does not get one because it is untyped.  Remove code to create
 572         dynamic symbols for relative branches.
 573         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 574         takes unsigned integer instead of boolean.
 575
 576 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 577
 578         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 579         (two_file_test_LDADD): Likewise.
 580         (common_test_1_LDADD): Likewise.
 581         (exception_test_LDADD) Likewise.
 582         (weak_test_LDADD): Likewise.
 583         (many_sections_test_LDADD): Likewise.
 584         (initpri1_LDADD): Likewise.
 585         (script_test_1_LDADD): Likewise.
 586         (script_test_2_LDADD): Likewise.
 587         (justsyms_LDADD): Likewise.
 588         (binary_test_LDADD): Likewise.
 589         (large_LDADD): Likewise.
 590         * testsuite/Makefile.in: Regenerated.
 591
 592 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 593
 594         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 595         (Symbol_table::override_with_special): Likewise.
 596         (Symbol_table::add_from_object): Likewise.
 597
 598 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 599
 600         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 601         Don't set the data_offset twice.
 602
 603 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 604
 605         * testsuite/Makefile.in: Regenerate.
 606
 607 2009-12-03  Doug Kwan  <dougkwan@google.com>
 608
 609         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 610         (Target_arm::do_finalize_sections): Add parameter for symbol table
 611         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 612         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 613         parameter for symbol table pointer.
 614         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 615         an additional parameter for a pointer to symbol table.
 616         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 617         parameter for a symbol table pointer.
 618         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 619         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 620         Ditto.
 621         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 622         parameter for a symbol table pointer.
 623
 624 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 625
 626         * incremental.cc (Incremental_inputs_header)
 627         (Incremental_inputs_header_write, Incremental_inputs_entry)
 628         (Incremental_inputs_entry_write): Move ...
 629         * incremental.h (Incremental_inputs_header)
 630         (Incremental_inputs_header_write, Incremental_inputs_entry)
 631         (Incremental_inputs_entry_write): here.
 632
 633 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 634
 635         * incremental.cc (make_sized_incremental_binary): Set the target.
 636         Error if it is incompatible.
 637         * output.h (Output_file): Add filename method.
 638
 639 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 640
 641         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 642         from the get_* methods.
 643
 644 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 645
 646         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 647         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 648         Write 0 for the data_offset of scripts.
 649
 650 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 651
 652         * testsuite/Makefile.am: Add the incremental_test.sh test.
 653         * testsuite/incremental_test.sh: New.
 654         * testsuite/incremental_test_1.c: New.
 655         * testsuite/incremental_test_2.c: New.
 656
 657 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 658
 659        * incremental-dump.cc (main): Fix typos.
 660
 661 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 662
 663         PR gold/11025
 664         * incremental-dump.cc (main): Use llu to print 64 bit values.
 665
 666 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 667             H.J. Lu  <hongjiu.lu@intel.com>
 668
 669         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 670         $(LIBDL).
 671         (incremental_dump_LDADD): Likewise.
 672         * Makefile.in: Regenerated.
 673
 674 2009-11-25  Doug Kwan  <dougkwan@google.com>
 675
 676         Revert:
 677
 678         2009-11-25  Doug Kwan  <dougkwan@google.com>
 679
 680                 * arm.cc (Target_arm::Target_arm): Move method definition
 681                 outside of class definition.  Add code to handle
 682                 --target1-rel, --target1-abs and --target2= options.
 683                 (Target_arm::get_reloc_reloc_type): Change method to be
 684                 non-static and const.
 685                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 686                 New data member declaration.
 687                 (Target_arm::Scan::local, Target_arm::Scan::global,
 688                 Target_arm::Relocate::relocate,
 689                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 690                 Adjust call to Target_arm::get_real_reloc_type.
 691                 (Target_arm::get_real_reloc_type): Use command line options
 692                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 693                 * options.h (--target1-rel, --target1-abs, --target2): New
 694                 ARM-only options.
 695
 696 2009-11-25  Doug Kwan  <dougkwan@google.com>
 697
 698         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 699         class definition.  Add code to handle --target1-rel, --target1-abs
 700         and --target2= options.
 701         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 702         and const.
 703         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 704         member declaration.
 705         (Target_arm::Scan::local, Target_arm::Scan::global,
 706         Target_arm::Relocate::relocate,
 707         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 708         call to Target_arm::get_real_reloc_type.
 709         (Target_arm::get_real_reloc_type): Use command line options to
 710         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 711         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 712         options.
 713
 714 2009-11-25  Doug Kwan  <dougkwan@google.com>
 715
 716         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 717         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 718         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 719         formatting.
 720         (Arm_relocate_functions::thm_call): Replace body with a call to
 721         Arm_relocate_functions::thumb_branch_common.
 722         (Arm_relocate_functions::thm_jump24,
 723         Arm_relocate_functions::thm_xpc22): New method definitions.
 724         (Arm_relocate_functions::thumb_branch_common): New method definition.
 725         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 726         operator.
 727         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 728         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 729
 730 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 731
 732         * Makefile.am: Build incremental-dump
 733         * Makefile.in: Regenerate.
 734         * incremental-dump.cc: New.
 735         * incremental.cc (Incremental_inputs_header_data,
 736         Incremental_inputs_entry_data): Move to incremental.h
 737         * incremental.h: (Incremental_inputs_header_data,
 738         Incremental_inputs_entry_data): Move from incremental.cc
 739
 740 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 741
 742         * incremental.cc (Incremental_inputs_header,
 743         Incremental_inputs_header_write, Incremental_inputs_entry,
 744         Incremental_inputs_entry_write): Add a typedef with the data type.
 745
 746 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 747
 748         * incremental.cc (Incremental_inputs_header,
 749         Incremental_inputs_header_write, Incremental_inputs_entry,
 750         Incremental_inputs_entry_write): Update comment about which
 751         type has the filed descriptions.
 752
 753 2009-11-15  Doug Kwan  <dougkwan@google.com>
 754
 755         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 756         (Arm_relocate_functions::arm_branch_common): Change method defintion
 757         in class definition to a method declaration and update list of formal
 758         parameters.
 759         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 760         Arm_relocation_functions::jump24): Adjust call to
 761         Arm_relocate_functions::arm_branch_common.  Update list of formal
 762         parameters.
 763         (Arm_relocate_functions::xpc25): New method definition.
 764         (Arm_relocate_functions::arm_branch_common): Move method defintion
 765         out from class definition.  Use stubs for mode-switching and extending
 766         branch ranges.
 767         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 768         specially.  Change code to enable use of stubs in ARM branches.
 769
 770 2009-11-10  Doug Kwan  <dougkwan@google.com>
 771
 772         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 773         in method declaration.
 774         (Target_arm::relocate_stub): New method declaration.
 775         (Target_arm::default_target): Change to return a pointer instead of
 776         a const reference.
 777         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 778         Target_arm::default_target.
 779         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 780         method definition.
 781         (Target_arm::relocate_section): Adjust view.
 782         (Target_arm::relocate_stub): New method definition.
 783
 784 2009-11-10  Doug Kwan  <dougkwan@google.com>
 785
 786         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 787         a format warning.
 788         * incremental.cc (open_incremental_binary): Initialized local
 789         variables to avoid warnings.
 790         * object.cc (make_elf_object): Ditto.
 791         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 792         a format warning.
 793
 794 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 795
 796         PR gold/10930
 797         * testsuite/plugin_test.c: Include "config.h".
 798
 799 2009-11-09  Doug Kwan  <dougkwan@google.com>
 800
 801         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 802         (arm_symbol_value): Remove.
 803         (Arm_relocate_functions::arm_branch_common,
 804         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 805         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 806         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 807         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 808         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 809         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 810         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 811         Arm_relocate_functions::thm_mobw_abs_nc,
 812         Arm_relocate_functions::thm_mov_abs,
 813         Arm_relocate_functions::movw_prel_nc,
 814         Arm_relocate_functions::thm_movt_abs,
 815         Arm_relocate_functions::movt_prel,
 816         Arm_relocate_functions::thm_movw_prel_nc,
 817         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 818         (Target_arm::Relocate::relocate): Only decompose address into two
 819         parts if relocation type uses the thumb-bit and pass the actual
 820         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 821         calls to methods in Arm_relocate_functions for this change.
 822
 823 2009-11-08  Ian Lance Taylor  <iant@google.com>
 824
 825         PR 10925
 826         * reloc.cc: Instantiate
 827         Sized_relobj::initialize_input_to_output_maps and
 828         Sized_relobj:free_input_to_output_maps.
 829
 830 2009-11-06  Ian Lance Taylor  <iant@google.com>
 831
 832         PR 10876
 833         * defstd.cc (in_segment): Set only_if_ref true for "end".
 834
 835 2009-11-06  Doug Kwan  <dougkwan@google.com>
 836
 837         * arm.cc (class Reloc_stub): Correct a comment.
 838         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 839         (Target_arm::scan_section_for_stubs): New method declaration.
 840         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 841         Change methods from private to protected.
 842         (Target_arm::do_may_relax): New method definition.
 843         (Target_arm::do_relax, Target_arm::group_sections,
 844         Target_arm::scan_reloc_for_stub,
 845         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 846         (Target_arm::arm_input_section_map_): New data member declaration.
 847         (Target_arm::scan_reloc_for_stub,
 848         Target_arm::scan_reloc_section_for_stubs,
 849         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 850         Target_arm::do_relax): New method definitions.
 851
 852 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 853
 854         * configure.ac: Check for (struct stat)::st_mtim
 855         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 856         * config.in: Regenerate.
 857         * configure: Regenerate.
 858
 859 2009-11-05  Ian Lance Taylor  <iant@google.com>
 860
 861         PR 10910
 862         * output.cc (Output_segment::add_output_section): Add missing
 863         return statement.
 864
 865 2009-11-04  Ian Lance Taylor  <iant@google.com>
 866
 867         PR 10880
 868         * object.h (class Object): Add is_needed and set_is_needed
 869         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 870         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 871         defined in a dynamic object and referenced by a regular object,
 872         set is_needed for the dynamic object.
 873         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 874         if the file is marked with as_needed and it is not needed.
 875
 876 2009-11-04  Ian Lance Taylor  <iant@google.com>
 877
 878         PR 10887
 879         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 880         tags if data is discarded by linker script.
 881         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 882         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 883         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 884         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 885
 886 2009-11-04  Ian Lance Taylor  <iant@google.com>
 887
 888         * layout.cc (Layout::get_output_section): Add is_interp and
 889         is_dynamic_linker_section parameters.  Change all callers.
 890         (Layout::choose_output_section): Likewise.
 891         (Layout::make_output_section): Likewise.
 892         (Layout::add_output_section_data): Add is_dynamic_linker_section
 893         parameter.  Change all callers.
 894         * layout.h (class Layout): Update declarations.
 895         * output.h (class Output_section): Add is_interp, set_is_interp,
 896         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
 897         Add is_interp_, is_dynamic_linker_section_ fields.  Change
 898         generate_code_fills_at_write_ to a bitfield.
 899         * output.cc (Output_section::Output_sections): Initialize new
 900         fields.
 901         (Output_segment::add_output_section): Add do_sort parameter.
 902         Change all callers.
 903
 904 2009-11-03  Ian Lance Taylor  <iant@google.com>
 905
 906         PR 10860
 907         * options.h (class General_options): Add --warn-common.
 908         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
 909         merging two common symbols.
 910         (Symbol_table::should_override): Handle --warn-common when merging
 911         a common symbol with a defined symbol.  Use report_resolve_problem
 912         for multiple definitions.
 913         (Symbol_table::report_resolve_problem): New function.
 914         * symtab.h (class Symbol_table): Declare report_resolve_problem.
 915
 916 2009-11-03  Doug Kwan  <dougkwan@google.com>
 917
 918         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
 919         stub_factory_.
 920         (Target_arm::stub_factory): New method definition.
 921         (Target_arm::new_arm_input_section,
 922         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
 923         Target_arm::reloc_uses_thumb_bit): New method declarations.
 924         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
 925         New type definitions.
 926         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
 927         member declarations.
 928         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
 929         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
 930         New method definitions.
 931
 932 2009-11-03  Ian Lance Taylor  <iant@google.com>
 933
 934         * options.h (class General_options): Add --warn_constructors.
 935
 936 2009-11-03  Ian Lance Taylor  <iant@google.com>
 937
 938         PR 10893
 939         * defstd.cc (in_section): Add entries for __rel_iplt_start,
 940         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
 941
 942 2009-11-03  Ian Lance Taylor  <iant@google.com>
 943
 944         PR 10895
 945         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
 946         --msgid-bugs-address.
 947         (install-pdf): New target.
 948         (install-data_yes): Look up one directory to find mkinstalldirs.
 949
 950 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
 951
 952         * po/Make-in (.po.gmo): Don't generate .gmo files in source
 953         tree.
 954
 955 2009-10-30  Doug Kwan  <dougkwan@google.com>
 956
 957         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
 958
 959 2009-10-30  Doug Kwan  <dougkwan@google.com>
 960
 961         * arm.cc (Stub_addend_reader): New struct template definition
 962         and partial specializations.
 963         (Stub_addend_reader::operator()): New method definition for a
 964         partially specialized template.
 965
 966 2009-10-30  Doug Kwan  <dougkwan@google.com>
 967
 968         * arm.cc (Arm_relobj::processor_specific_flags): New method
 969         definition.
 970         (Arm_relobj::do_read_symbols): New method declaration.
 971         (Arm_relobj::processor_specific_flags_): New data member declaration.
 972         (Arm_dynobj): New class definition.
 973         (Target_arm::do_finalize_sections): Add input_objects parameter.
 974         (Target_arm::do_adjust_elf_header): New method declaration.
 975         (Target_arm::are_eabi_versions_compatible,
 976         (Target_arm::merge_processor_specific_flags): New method declaration.
 977         (Target_arm::do_make_elf_object): New overloaded method definitions
 978         and declaration.
 979         (Arm_relobj::do_read_symbols): New method definition.
 980         (Arm_dynobj::do_read_symbols): Ditto.
 981         (Target_arm::do_finalize_sections): Add input_objects parameters.
 982         Merge processor-specific flags from all input objects.
 983         (Target_arm::are_eabi_versions_compatible,
 984         Target_arm::merge_processor_specific_flags,
 985         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
 986         New method definitions.
 987         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
 988         Input_objects pointer type parameter.
 989         * layout.cc (Layout::finalize): Pass input objects to target's.
 990         finalize_sections function.
 991         * output.cc (Output_file_header::do_sized_write): Set ELF file
 992         header's processor-specific flags.
 993         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
 994         Input_objects pointer type parameter.
 995         * sparc.cc (Target_sparc::do_finalize_sections): Same.
 996         * target.h (Input_objects): New forward class declaration.
 997         (Target::processor_specific_flags,
 998         Target::are_processor_specific_flags_sect): New method definitions.
 999         (Target::finalize_sections): Add input_objects parameter.
1000         (Target::Target): Initialize processor_specific_flags_ and
1001         are_processor_specific_flags_set_.
1002         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1003         parameter.
1004         (Target::set_processor_specific_flags): New method definition.
1005         (Target::processor_specific_flags_,
1006         Target::are_processor_specific_flags_set_): New data member
1007         declarations.
1008         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1009         Input_objects pointer type parameter.
1010
1011 2009-10-30  Doug Kwan  <dougkwan@google.com>
1012
1013         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1014
1015 2009-10-28  Ian Lance Taylor  <iant@google.com>
1016
1017         * object.h (class Relobj): Drop options parameter from
1018         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1019         do_scan_relocs, do_relocate.  Change all callers.
1020         (class Sized_relobj): Drop options parameters from
1021         do_gc_process_relocs, do_scan_relocs, do_relocate,
1022         do_relocate_sections, relocate_sections, emit_relocs_scan,
1023         emit_relocs_scan_reltype.  Change all callers.
1024         (struct Relocate_info): Remove options field and all references to
1025         it.
1026         * reloc.h (class Read_relocs): Remove options constructor
1027         parameter and options_ field.  Change all callers.
1028         (class Gc_process_relocs, class Scan_relocs): Likewise.
1029         (class Relocate_task): Likewise.
1030         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1031         all callers.
1032         (scan_relocatable_relocs): Likewise.
1033         * target.h (class Sized_target): Remove options parameter from
1034         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1035         all callers.
1036         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1037         callers.
1038         * arm.cc: Update functions to remove options parameters.
1039         * i386.cc: Likewise.
1040         * powerpc.cc: Likewise.
1041         * sparc.cc: Likewise.
1042         * x86_64.cc: Likewise.
1043         * testsuite/testfile.cc: Likewise.
1044
1045 2009-10-28  Doug Kwan  <dougkwan@google.com>
1046
1047         * arm.cc (Arm_relobj): New class definition.
1048         (Arm_relobj::scan_sections_for_stubs,
1049         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1050         New method definitions.
1051
1052 2009-10-28  Cary Coutant  <ccoutant@google.com>
1053
1054         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1055         (Plugin::cleanup_done_): New member.
1056         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1057         (Plugin_manager::cleanup_done_): Remove.
1058         (Plugin_manager::add_input_file): Edit error message.
1059         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1060         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1061
1062 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1063
1064         * fileread.cc: (File_read::View::~View): Use the new
1065         data_ownership_ filed.
1066         (File_read::~File_read): Dispose the new whole_file_view_.
1067         (File_read::open): Mmap the whole file if needed.
1068         (File_read::open): Use whole_file_view_ instead of contents_.
1069         (File_read::find_view): Use whole_file_view_ if applicable.
1070         (File_read::do_read): Use whole_file_view_ instead of contents_.
1071         (File_read::make_view): Use whole_file_view_ instead of contents_,
1072         update File_read::View::View call.
1073         (File_read::find_or_make_view): Update File_read::View::View
1074         call.
1075         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1076         remove contents_
1077         (File_read::View::Data_ownership): New enum.
1078         (File_read::View::View): Replace bool mapped_ with Data_ownership
1079         argument.
1080         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1081         (File_read::View::data_ownership_): New field.
1082         (File_read::contents_): Remove (replaced by whole_file_view_).
1083         (File_read::whole_file_view_): New field.
1084         * options.h (class General_options): Add --keep-files-mapped.
1085
1086 2009-10-27  Cary Coutant  <ccoutant@google.com>
1087
1088         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1089         * testsuite/Makefile.am (plugin_test_5): New test case.
1090         * testsuite/Makefile.in: Regenerate.
1091
1092 2009-10-25  Doug Kwan  <dougkwan@google.com>
1093
1094         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1095         from private to protected to allow access by child class.
1096         (Sized_relobj::do_relocate_sections): New method declaration.
1097         (Sized_relobj::relocate_sections): Virtualize.
1098         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1099         Sized_relobj::relocate_sections.  Instantiate template explicitly
1100         for different target sizes and endianity.
1101
1102 2009-10-24  Doug Kwan  <dougkwan@google.com>
1103
1104         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1105         (Arm_input_section::as_arm_input_section): New method.
1106         (Arm_output_section): New class definition.
1107         (Arm_output_section::create_stub_group,
1108         Arm_output_section::group_sections): New method definitions.
1109
1110 2009-10-22  Doug Kwan  <dougkwan@google.com>
1111
1112         * arm.cc (Arm_input_section): New class definition.
1113         (Arm_input_section::init, Arm_input_section:do_write,
1114         Arm_input_section::set_final_data_size,
1115         Arm_input_section::do_reset_address_and_file_offset): New method
1116         definitions.
1117
1118 2009-10-21  Doug Kwan  <dougkwan@google.com>
1119
1120         * arm.cc (Stub_table, Arm_input_section): New forward class
1121         declarations.
1122         (Stub_table): New class defintion.
1123         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1124         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1125         New method definition.
1126
1127 2009-10-21  Doug Kwan  <dougkwan@google.com>
1128
1129         * arm.cc: Update copyright comments.
1130         (Target_arm): New forward class template declaration.
1131         (Arm_address): New type.
1132         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1133         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1134         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1135         constants.
1136         (Insn_template): Same.
1137         (DEF_STUBS): New macro.
1138         (Stub_type): New enum type.
1139         (Stub_template): New class definition.
1140         (Stub): Same.
1141         (Reloc_stub): Same.
1142         (Stub_factory): Same.
1143         (Target_arm::Target_arm): Initialize may_use_blx_ and
1144         should_force_pic_veneer_.
1145         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1146         Target_arm::should_force_pic_veneer,
1147         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1148         Target_arm::using_thumb_only, Target_arm:;default_target): New
1149         method defintions.
1150         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1151         New data member declarations.
1152         (Insn_template::size, Insn_template::alignment): New method defintions.
1153         (Stub_template::Stub_template): New method definition.
1154         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1155         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1156         (Stub_factory::Stub_factory): New method definition.
1157         * gold.h (string_hash): New template.
1158         * output.h (Input_section_specifier::hash_value): Use
1159         gold::string_hash.
1160         (Input_section_specifier::string_hash): Remove.
1161         * stringpool.cc (Stringpool_template::string_hash): Use
1162         gold::string_hash.
1163
1164 2009-10-20  Doug Kwan  <dougkwan@google.com>
1165
1166         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1167         symbols of relaxed input sections.
1168         * output.h (Output_section::find_relaxed_input_section): Make
1169         method public.
1170
1171 2009-10-16  Doug Kwan  <dougkwan@google.com>
1172
1173         * dynobj.cc (Versions::Versions): Initialize version_script_.
1174         Only insert base version symbol definition for a shared object
1175         if version script defines any version versions.
1176         (Versions::define_base_version): New method definition.
1177         (Versions::add_def): Check that base version is not needed.
1178         (Versions::add_need): Define base version lazily.
1179         * dynobj.h (Versions::define_base_version): New method declaration.
1180         (Versions::needs_base_version_): New data member declaration.
1181         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1182         (check_DATA): Add no_version_test.stdout.
1183         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1184         New make rules.
1185         * testsuite/Makefile.in: Regenerate.
1186         * testsuite/no_version_test.c: New file.
1187         * testsuite/no_version_test.sh: Ditto.
1188
1189 2009-10-16  Doug Kwan  <dougkwan@google.com>
1190
1191         * expression.cc (class Segment_start_expression): New class definition.
1192         (Segment_start_expression::value): New method definition.
1193         (script_exp_function_segment_start): Return a new
1194         Segment_start_expression.
1195         * gold/script-c.h (script_saw_segment_start_expression): New function
1196         prototype.
1197         * script-sections.cc (Script_sections::Script_sections): Initialize
1198         SAW_SEGMENT_START_EXPRESSION_ to false.
1199         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1200         and -Tbbs options to specify section addresses if given in
1201         command line and no SEGMENT_START expression is seen in a script.
1202         * script-sections.h (Script_sections::saw_segment_start_expression,
1203         Script_sections::set_saw_segment_start_expression): New method
1204         definition.
1205         (Script_sections::saw_segment_start_expression_): New data member
1206         declaration.
1207         * script.cc (script_saw_segment_start_expression): New function.
1208         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1209         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1210         script_test_7.sh and script_test_8.sh.
1211         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1212         script_test_8.stdout.
1213         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1214         (script_test_6, script_test_6.stdout, script_test_7,
1215         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1216         * Makefile.in: Regenerate.
1217         * testsuite/script_test_6.sh: New file.
1218         * testsuite/script_test_6.t: Same.
1219         * testsuite/script_test_7.sh: Same.
1220         * testsuite/script_test_7.t: Same.
1221         * testsuite/script_test_8.sh: Same.
1222
1223 2009-10-16  Doug Kwan  <dougkwan@google.com>
1224
1225         * output.cc (Output_segment::set_section_list_address): Cast
1226         expressions to unsigned long long type to avoid format warnings.
1227
1228 2009-10-15  Ian Lance Taylor  <iant@google.com>
1229
1230         * script.cc (Script_options::add_symbol_assignment): Always add a
1231         dot assignment to script_sections_.
1232         * script-sections.cc (Script_sections::add_dot_assignment):
1233         Initialize if necessary.
1234
1235         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1236         program headers with no load segment if there is a linker script.
1237
1238         * layout.cc (Layout::set_segment_offsets): Align the file offset
1239         to the segment aligment for -N or -n with no load segment.
1240         * output.cc (Output_segment::add_output_section): Don't crash if
1241         the first section is a TLS section.
1242         (Output_segment::set_section_list_addresses): Print an error
1243         message if the address moves backward in a linker script.
1244         * script-sections.cc
1245         (Output_section_element_input::set_section_addresses): Don't
1246         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1247         (Orphan_output_section::set_section_addresses): Likewise.
1248
1249 2009-10-15  Doug Kwan  <dougkwan@google.com>
1250
1251         * layout.cc (Layout::finish_dynamic_section): Generate tags
1252         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1253         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1254         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1255
1256 2009-10-14  Ian Lance Taylor  <iant@google.com>
1257
1258         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1259         fields.
1260         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1261         data_shdr fields of relinfo.
1262         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1263         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1264         R_386_TLS_LDO_32, adjust based on section flags.
1265         (Target_i386::Relocate::fix_up_ldo): Remove.
1266
1267 2009-10-13  Ian Lance Taylor  <iant@google.com>
1268
1269         Add support for -pie.
1270         * options.h (class General_options): Add -pie and
1271         --pic-executable.
1272         (General_options::output_is_position_independent): Test -pie.
1273         (General_options::output_is_executable): Return true if not shared
1274         and not relocatable.
1275         (General_options::output_is_pie): Remove.
1276         * options.cc (General_options::finalize): Reject incompatible uses
1277         of -pie.
1278         * gold.cc (queue_middle_tasks): A -pie link is not static.
1279         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1280         * symtab.cc (Symbol::final_value_is_known): Return false if
1281         output_is_position_independent.
1282         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1283         output_is_position_independent.
1284         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1285         output_is_position_independent.
1286         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1287         output_is_position_independent.
1288         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1289         two_file_pie_test.
1290         (basic_pie_test.o, basic_pie_test): New targets.
1291         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1292         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1293         (two_file_pie_test): New target.
1294         * testsuite/Makefile.in: Rebuild.
1295         * README: Remove note saying that -pie is not supported.
1296
1297 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1298
1299         * options.h (class General_options): Add -init and -fini.
1300         * layout.cc (Layout::finish_dynamic_section): Emit
1301         given init and fini functions.
1302
1303 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1304
1305         * gc.h (gc_process_relocs): Check if icf is enabled using new
1306         function.
1307         * gold.cc (queue_initial_tasks): Likewise.
1308         (queue_middle_tasks): Likewise.
1309         * object.cc (do_layout): Likewise.
1310         * symtab.cc (is_section_folded): Likewise.
1311         * main.cc (main): Likewise.
1312         * reloc.cc (Read_relocs::run): Likewise.
1313         (Sized_relobj::do_scan_relocs): Likewise.
1314         * icf.cc (is_function_ctor_or_dtor): New function.
1315         (Icf::find_identical_sections): Check if function is ctor or dtor when
1316         safe icf is chosen.
1317         * options.h (General_options::icf): Change option to be an enum.
1318         (Icf_status): New enum.
1319         (icf_enabled): New method.
1320         (icf_safe_folding): New method.
1321         (set_icf_status): New method.
1322         (icf_status_): New variable.
1323         * (options.cc) (General_options::finalize): Set icf_status_.
1324         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1325         icf_test and icf_keep_unique_test to use the --icf enum flag.
1326         * testsuite/icf_safe_test.sh: New file.
1327         * testsuite/icf_safe_test.cc: New file.
1328
1329 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1330
1331         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1332         includes to gc.h and icf.h.
1333         * arm.cc: Include gc.h.
1334         * gold.cc: Likewise.
1335         * i386.cc: Likewise.
1336         * powerpc.cc: Likewise.
1337         * sparc.cc: Likewise.
1338         * x86_64.cc: Likewise.
1339         * gc.h: Include icf.h.
1340
1341 2009-10-11  Ian Lance Taylor  <iant@google.com>
1342
1343         * plugin.cc: Include "gold.h" before other header files.
1344
1345 2009-10-10  Chris Demetriou  <cgd@google.com>
1346
1347         * options.h (Input_file_argument::Input_file_type): New enum.
1348         (Input_file_argument::is_lib_): Replace with...
1349         (Input_file_argument::type_): New member.
1350         (Input_file_argument::Input_file_argument): Take Input_file_type
1351         'type' rather than boolean 'is_lib' as second argument.
1352         (Input_file_argument::is_lib): Use type_.
1353         (Input_file_argument::is_searched_file): New function.
1354         (Input_file_argument::may_need_search): Handle is_searched_file.
1355         * options.cc (General_options::parse_library): Support -l:filename.
1356         (General_options::parse_just_symbols): Update for Input_file_argument
1357         changes.
1358         (Command_line::process): Likewise.
1359         * archive.cc (Archive::get_file_and_offset): Likewise.
1360         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1361         * script.cc (read_script_file, script_add_file): Likewise.
1362         * fileread.cc (Input_file::Input_file): Likewise.
1363         (Input_file::will_search_for): Handle is_searched_file.
1364         (Input_file::open): Likewise.
1365         * readsyms.cc (Read_symbols::get_name): Likewise.
1366         * testsuite/Makefile.am (searched_file_test): New test.
1367         * testsuite/Makefile.in: Regenerate.
1368         * testsuite/searched_file_test.cc: New file.
1369         * testsuite/searched_file_test_lib.cc: New file.
1370
1371 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1372             Ian Lance Taylor  <iant@google.com>
1373
1374         * descriptor.cc: Include <cstdio> and "binary-io.h".
1375         (Descriptors::open): Open the files in binary mode always.
1376         * script.cc (Lex::get_token): Treat \r as whitespace.
1377
1378 2009-10-09  Ian Lance Taylor  <iant@google.com>
1379
1380         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1381
1382 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1383             Ian Lance Taylor  <iant@google.com>
1384
1385         * configure.ac: Check for readv function also.
1386         * fileread.cc (readv): Define if not HAVE_READV.
1387         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1388         does not exist.
1389         * config.in: Regenerate.
1390         * configure: Regenerate.
1391
1392 2009-10-09  Doug Kwan  <dougkwan@google.com>
1393
1394         * layout.cc (Layout::make_output_section): Call target hook to make
1395         ordinary output section.
1396         (Layout::finalize): Adjust parameter list of call the
1397         Target::may_relax().
1398         * layout.h (class Layout::section_list): New method.
1399         * merge.h (Output_merge_base::entsize): Change visibility to public.
1400         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1401         New methods.
1402         (Output_merge_string::do_is_string): New method.
1403         * object.cc (Sized_relobj::do_setup): renamed from
1404         Sized_relobj::set_up.
1405         * object.h (Sized_relobj::adjust_shndx,
1406         Sized_relobj::initializ_input_to_output_maps,
1407         Sized_relobj::free_input_to_output_maps): Change visibilities to
1408         protected.
1409         (Sized_relobj::setup): Virtualize.
1410         (Sized_relobj::do_setup): New method declaration.
1411         (Sized_relobj::invalidate_section_offset,
1412         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1413         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1414         * options.cc (parse_int): New function.
1415         * options.h (parse_int): New declaration.
1416         (DEFINE_int): New macro.
1417         (stub_group_size): New option.
1418         * output.cc (Output_section::Output_section): Initialize memebers
1419         merge_section_map_, merge_section_by_properties_map_,
1420         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1421         (Output_section::add_input_section): Handled deferred code-fill
1422         generation and remove an old comment.
1423         (Output_section::add_relaxed_input_section): New method definition.
1424         (Output_section::add_merge_input_section): Use merge section by
1425         properties map to speed to search.  Update merge section maps
1426         as appropriate.
1427         (Output_section::build_relaxation_map): New method definition.
1428         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1429         Same.
1430         (Output_section::relax_input_section): Renamed to
1431         Output_section::convert_input_sections_to_relaxed_sections and change
1432         interface to take a vector of pointers to relaxed sections.
1433         (Output_section::find_merge_section,
1434         Output_section::find_relaxed_input_section): New method definitions.
1435         (Output_section::is_input_address_mapped,
1436         Output_section::output_offset, Output_section::output_address):
1437         Use output section data maps to speed up searching.
1438         (Output_section::find_starting_output_address): Add comments.
1439         (Output_section::do_write,
1440         Output_section::write_to_postprocessing_buffer): Do code-fill
1441         generation as appropriate.
1442         (Output_section::get_input_sections): Invalidate relaxed input section
1443         map.
1444         (Output_section::restore_states): Adjust type of checkpoint .
1445         Invalidate relaxed input section map.
1446         * output.h (Output_merge_base): New class declaration.
1447         (Input_section_specifier): New class defintion.
1448         (class Output_relaxed_input_section) Change base class to
1449         Output_section_data_build.
1450         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1451         base class initializer.
1452         (Output_section::add_relaxed_input_section): New method declaration.
1453         (Output_section::Input_section): Change visibility to protected.
1454         (Output_section::Input_section::relobj,
1455         Output_section::Input_section::shndx): Handle relaxed input sections.
1456         Output_section::input_sections) Change visibility to protected.  Also
1457         define overload to return a non-const pointer.
1458         (Output_section::Merge_section_properties): New class defintion.
1459         (Output_section::Merge_section_by_properties_map,
1460         Output_section::Output_section_data_by_input_section_map,
1461         Output_section::Relaxation_map): New types.
1462         (Output_section::relax_input_section): Rename method to
1463         Output_section::convert_input_sections_to_relaxed_sections and change
1464         interface to take a vector of relaxed section pointers.
1465         (Output_section::find_merge_section,
1466         Output_section::find_relaxed_input_section,
1467         Output_section::build_relaxation_map,
1468         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1469         New method declarations.
1470         (Output_section::merge_section_map_
1471         Output_section::merge_section_by_properties_map_,
1472         Output_section::relaxed_input_section_map_,
1473         Output_section::is_relaxed_input_section_map_valid_,
1474         Output_section::generate_code_fills_at_write_): New data members.
1475         * script-sections.cc
1476         (Output_section_element_input::set_section_addresses): Call
1477         current_data_size and addralign methods of relaxed input sections.
1478         (Orphan_output_section::set_section_addresses): Call current_data_size
1479         and addralign methods of relaxed input sections.
1480         * symtab.cc (Symbol_table::compute_final_value): Extract template
1481         from the body of Symbol_table::sized_finalize_symbol.
1482         (Symbol_table::sized_finalized_symbol): Call
1483         Symbol_table::compute_final_value.
1484         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1485         (Symbol_table::compute_final_value): New templated method declaration.
1486         * target.cc (Target::do_make_output_section): New method defintion.
1487         * target.h (Target::make_output_section): New method declaration.
1488         (Target::relax): Add more parameters for input objects, symbol table
1489         and layout.  Adjust call to do_relax.
1490         (Target::do_make_output_section): New method declaration.
1491         (Target::do_relax): Add parameters for input objects, symbol table
1492         and layout.
1493
1494 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1495
1496         * pread.c: Include stdio.h.
1497
1498 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1499
1500         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1501         defined.
1502
1503 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1504
1505         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1506         Change read_shndx type to unsigned int.
1507         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1508         int.
1509         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1510         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1511         Change read_shndx type to unsigned int.
1512         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1513         int.
1514         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1515         * layout.cc (Layout::create_symtab_sections): Cast the result of
1516         local_symcount * symsize to off_t in the gold_assert.
1517
1518 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1519
1520         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1521         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1522         R_ARM_BASE_ABS.
1523         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1524         (Arm_relocate_functions::thm_abs5): New function.
1525         (Arm_relocate_functions::abs12): New function.
1526         (Arm_relocate_functions::abs16): New function.
1527         (Arm_relocate_functions::base_abs): New function.
1528         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1529         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1530         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1531         R_ARM_BASE_ABS.
1532         (Scan::global): Likewise.
1533         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1534         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1535         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1536         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1537         R_ARM_BASE_ABS.
1538
1539 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1540
1541         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1542         (Arm_relocate_functions::movt_prel): New function.
1543         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1544         (Arm_relocate_functions::thm_movt_prel): New function.
1545         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1546         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1547         (Scan::global, Relocate::relocate): Likewise.
1548         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1549
1550 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1551
1552         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1553         Incremental_checker.
1554         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1555         unsigned int.
1556         (class Incremental_inputs_header): New class.
1557         (Incremental_inputs_header_writer): Edit comment.
1558         (Incremental_inputs_entry): New class.
1559         (Incremental_inputs_entry_writer): Edit comment.
1560         (Sized_incremental_binary::do_find_incremental_inputs_section):
1561         Add *strtab_shndx parameter, fill it.
1562         (Sized_incremental_binary::do_check_inputs): New method.
1563         (Incremental_checker::can_incrementally_link_output_file): Use
1564         Sized_incremental_binary::check_inputs.
1565         (Incremental_inputs::report_command_line): Save command line in
1566         command_line_.
1567         * incremental.h:
1568         (Incremental_binary::find_incremental_inputs_section): New
1569         method.
1570         (Incremental_binary::do_find_incremental_inputs_section): Add
1571         strtab_shndx parameter.
1572         (Incremental_binary::do_check_inputs): New pure virtual method.
1573         (Sized_incremental_binary::do_check_inputs): Declare.
1574         (Incremental_checker::Incremental_checker): Add incremental_inputs
1575         parameter, use it to initialize incremental_inputs_.
1576         (Incremental_checker::incremental_inputs_): New field.
1577         (Incremental_checker::command_line): New method.
1578         (Incremental_checker::inputs): New method.
1579         (Incremental_checker::command_line_): New field.
1580
1581 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1582
1583         * incremental.cc: Include <cstdarg> and "target-select.h".
1584         (vexplain_no_incremental): New function.
1585         (explain_no_incremental): New function.
1586         (Incremental_binary::error): New method.
1587         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1588         method.
1589         (make_sized_incremental_binary): New function.
1590         (open_incremental_binary): New function.
1591         (can_incrementally_link_file): Add checks if output is ELF and has
1592         inputs section.
1593         * incremental.h: Include "elfcpp_file.h" and "output.h".
1594         (Incremental_binary): New class.
1595         (Sized_incremental_binary): New class.
1596         (open_incremental_binary): Declare.
1597         * object.cc (is_elf_object): Use
1598         elfcpp::Elf_recognizer::is_elf_file.
1599         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1600         * output.h (Output_file::filesize): New method.
1601
1602 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1603
1604         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1605         New function.
1606         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1607         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1608         function.
1609         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1610         function.
1611         (Arm_relocate_functions::movw_abs_nc): New function.
1612         (Arm_relocate_functions::movt_abs): New function.
1613         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1614         (Arm_relocate_functions::thm_movt_abs): New function.
1615         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1616         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1617         (Scan::global): Likewise.
1618         (Relocate::relocate): Likewise.
1619         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1620
1621 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1622
1623         * arm.cc (Arm_relocate_functions::got_prel) New function.
1624         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1625         (Relocate::relocate): Likewise.
1626         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1627
1628 2009-10-06  Ian Lance Taylor  <iant@google.com>
1629
1630         * options.h (class General_options): Define
1631         split_stack_adjust_size parameter.
1632         * object.h (class Object): Add uses_split_stack_ and
1633         has_no_split_stack_ fields.  Add uses_split_stack and
1634         has_no_split_stack accessor functions.  Declare
1635         handle_split_stack_section.
1636         (class Reloc_symbol_changes): Define.
1637         (class Sized_relobj): Define Function_offsets.  Declare
1638         split_stack_adjust, split_stack_adjust_reltype, and
1639         find_functions.
1640         * object.cc (Object::handle_split_stack_section): New function.
1641         (Sized_relobj::do_layout): Call handle_split_stack_section.
1642         * dynobj.cc (Sized_dynobj::do_layout): Call
1643         handle_split_stack_section.
1644         * reloc.cc (Sized_relobj::relocate_sections): Call
1645         split_stack_adjust for executable sections in split_stack
1646         objects.  Pass reloc_map to relocate_section.
1647         (Sized_relobj::split_stack_adjust): New function.
1648         (Sized_relobj::split_stack_adjust_reltype): New function.
1649         (Sized_relobj::find_functions): New function.
1650         * target-reloc.h: Include "object.h".
1651         (relocate_section): Add reloc_symbol_changes parameter.  Change
1652         all callers.
1653         * target.h (class Target): Add calls_non_split method.  Declare
1654         do_calls_non_split virtual method.  Declare match_view and
1655         set_view_to_nop.
1656         * target.cc: Include "elfcpp.h".
1657         (Target::do_calls_non_split): New function.
1658         (Target::match_view): New function.
1659         (Target::set_view_to_nop): New function.
1660         * gold.cc (queue_middle_tasks): Give an error if mixing
1661         split-stack and non-split-stack objects with -r.
1662         * i386.cc (Target_i386::relocate_section): Add
1663         reloc_symbol_changes parameter.
1664         (Target_i386::do_calls_non_split): New function.
1665         * x86_64.cc (Target_x86_64::relocate_section): Add
1666         reloc_symbol_changes parameter.
1667         (Target_x86_64::do_calls_non_split): New function.
1668         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1669         parameter.
1670         * powerpc.cc (Target_powerpc::relocate_section): Add
1671         reloc_symbol_changes parameter.
1672         * sparc.cc (Target_sparc::relocate_section): Add
1673         reloc_symbol_changes parameter.
1674         * configure.ac: Call AM_CONDITIONAL for the default target.
1675         * configure: Rebuild.
1676         * testsuite/Makefile.am (TEST_AS): New variable.
1677         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1678         (check_DATA): Add split_i386 and split_x86_64 files.
1679         (SPLIT_DEFSYMS): Define.
1680         (split_i386_[1234n].o): New targets.
1681         (split_i386_[124]): New targets.
1682         (split_i386_[1234r].stdout): New targets.
1683         (split_x86_64_[1234n].o): New targets.
1684         (split_x86_64_[124]): New targets.
1685         (split_x86_64_[1234r].stdout): New targets.
1686         (MOSTLYCLEANFILES): Add new executables.
1687         * testsuite/split_i386.sh: New file.
1688         * testsuite/split_x86_64.sh: New file.
1689         * testsuite/split_i386_1.s: New file.
1690         * testsuite/split_i386_2.s: New file.
1691         * testsuite/split_i386_3.s: New file.
1692         * testsuite/split_i386_4.s: New file.
1693         * testsuite/split_i386_n.s: New file.
1694         * testsuite/split_x86_64_1.s: New file.
1695         * testsuite/split_x86_64_2.s: New file.
1696         * testsuite/split_x86_64_3.s: New file.
1697         * testsuite/split_x86_64_4.s: New file.
1698         * testsuite/split_x86_64_n.s: New file.
1699         * testsuite/testfile.cc (Target_test): Update relocation_section
1700         function.
1701         * testsuite/Makefile.in: Rebuild.
1702
1703 2009-10-06  Ian Lance Taylor  <iant@google.com>
1704
1705         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1706         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1707         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1708         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1709         the address on ldo_addrs_.
1710         (Target_i386::Relocate::fix_up_ldo): New function.
1711
1712 2009-10-06   Rafael Espindola  <espindola@google.com>
1713
1714         * plugin.cc (add_input_library): New.
1715         (Plugin::load): Add add_input_library to tv.
1716         (Plugin_manager::add_input_file): Add the is_lib argument.
1717         (add_input_file): Update call to Plugin_manager::add_input_file.
1718         (add_input_library): New.
1719         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1720
1721 2009-09-30  Doug Kwan  <dougkwan@google.com>
1722
1723         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1724         symbol and call Symbol::may_need_copy_reloc to determine if
1725         a copy reloc is needed.
1726         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1727         nocopyreloc is given in command line.
1728         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1729         given in command line.
1730         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1731         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1732         of the removed Target_i386::may_need_copy_reloc.
1733         * options.h (copyreloc): New option with default value false.
1734         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1735         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1736         instead of the removed Target_powerpc::may_need_copy_reloc.
1737         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1738         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1739         instead of the removed Target_sparc::may_need_copy_reloc.
1740         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1741         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1742         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1743         instead of the removed Target_x86_64::may_need_copy_reloc.
1744
1745 2009-09-30  Ian Lance Taylor  <iant@google.com>
1746
1747         * object.h (class Object): Remove target_ field, and target,
1748         sized_target, and set_target methods.
1749         (Object::sized_target): Remove.
1750         (class Sized_relobj): Update declarations.  Remove sized_target.
1751         * object.cc (Sized_relobj::setup): Remove target parameter.
1752         Change all callers.
1753         (Input_objects::add_object): Don't do anything with the target.
1754         (make_elf_sized_object): Add punconfigured parameter.  Change all
1755         callers.  Set or test parameter target.
1756         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1757         Change all callers.
1758         * parameters.cc (Parameters::set_target): Change parameter type to
1759         be non-const.
1760         (Parameters::default_target): Remove.
1761         (set_parameters_target): Change parameter type to be non-const.
1762         (parameters_force_valid_target): New function.
1763         (parameters_clear_target): New function.
1764         * parameters.h (class Parameters): Update declarations.  Remove
1765         default_target method.  Add sized_target and clear_target
1766         methods.  Change target_ to be non-const.
1767         (set_parameters_target): Update declaration.
1768         (parameters_force_valid_target): Declare.
1769         (parameters_clear_target): Declare.
1770         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1771         as NULL if we aren't searching.
1772         (Add_symbols::run): Don't check for compatible target.
1773         * fileread.cc (Input_file::open_binary): Call
1774         parameters_force_valid_target.
1775         * gold.cc (queue_middle_tasks): Likewise.
1776         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1777         set_target on object.
1778         * dynobj.h (class Sized_dynobj): Update declarations.
1779         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1780         make_elf_object returns NULL.
1781         (Archive::include_member): Don't check whether object target is
1782         compatible.
1783         * output.cc (Output_section::add_input_section): Get target from
1784         parameters.
1785         (Output_section::relax_input_section): Likewise.
1786         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1787         parameters.
1788         (Sized_relobj::do_scan_relocs): Likewise.
1789         (Sized_relobj::relocate_sections): Likewise.
1790         * resolve.cc (Symbol_table::resolve): Likewise.
1791         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1792         parameter.  Change all callers.
1793         (Symbol_table::add_from_object): Get target from parameters.
1794         (Symbol_table::add_from_relobj): Don't check object target.
1795         (Symbol_table::add_from_dynobj): Likewise.
1796         (Symbol_table::define_special_symbol): Get target from
1797         parameters.
1798         * symtab.h (class Symbol_table): Update declaration.
1799         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1800         parameter.  Change all callers.  Clear parameter target.
1801         (Binary_test): Test target here.
1802         * testsuite/object_unittest.cc (gold_testsuite): Remove
1803         target_test_pointer parameter.  Change all callers.
1804         (Object_test): Test target here.
1805
1806 2009-09-26  Ian Lance Taylor  <iant@google.com>
1807
1808         * testsuite/initpri1.c: Don't try to use constructor priorities if
1809         compiling with gcc before 4.3.
1810
1811 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1812
1813         * testsuite/retain_symbols_file_test.sh (check_present): Change
1814         output file name to retain_symbols_file_test.stdout.
1815         (check_absent): Likewise.
1816
1817 2009-09-18  Craig Silverstein  <csilvers@google.com>
1818
1819         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1820         * options.cc: Include <cerrno> and <fstream>.
1821         (General_options::finalize): Parse -retain-symbols-file tag.
1822         * options.h: New flag.
1823         (General_options): New method should_retain_symbol, new
1824         variable symbols_to_retain.
1825         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1826         should_retain_symbol map.
1827         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1828         * testsuite/Makefile.in: Regenerate.
1829         * testsuite/retain_symbols_file_test.sh: New file.
1830
1831 2009-09-18  Nick Clifton  <nickc@redhat.com>
1832
1833         * po/es.po: Updated Spanish translation.
1834
1835 2009-09-17  Doug Kwan  <dougkwan@google.com>
1836
1837         * debug.h (DEBUG_RELAXATION): New constant.
1838         (DEBUG_ALL): Add DEBUG_RELAXATION.
1839         (debug_string_to_enum): Add relaxation debug option.
1840         * layout.cc
1841         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1842         Layout::Relaxation_debug_check::read_sections,
1843         Layout::Relaxation_debug_check::read_sections): New method definitions.
1844         (Layout::Layout): Initialize data members
1845         record_output_section_data_from_scrips_,
1846         script_output_section_data_list_ and relaxation_debug_check_.
1847         (Layout::save_segments, Layout::restore_segments,
1848         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1849         Layout::relaxation_loop_body): New method definitions.
1850         (Layout::finalize): Support relaxation.  Move section layout code to
1851         Layout::relaxation_loop_body.
1852         (Layout::set_asection_address_from_script): Move code for orphan
1853         section placement out.
1854         (Layout::place_orphan_sections_in_script): New method definition.
1855         * layout.h (Output_segment_headers, Output_file_header):
1856         New forward class declarations.
1857         (Layout::~Layout): Define.
1858         (Layout::new_output_section_data_from_script): New method definition.
1859         (Layout::place_orphan_sections_in_script): New method declaration.
1860         (Layout::Segment_states): New type declaration.
1861         (Layout::save_segments, Layout::restore_segments,
1862         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1863         Layout::relaxation_loop_body): New method declarations.
1864         (Layout::Output_section_data_list): New type declaration.
1865         (Layout::Relaxation_debug_check): New class definition.
1866         (Layout::record_output_section_data_from_script_,
1867         Layout::script_output_section_data_list_, Layout::segment_states_,
1868         Layout::relaxation_debug_check_): New data members.
1869         * output.cc: (Output_section_headers::do_size): New method definition.
1870         (Output_section_headers::Output_section_headers): Move size
1871         computation to Output_section_headers::do_size.
1872         (Output_segment_headers::do_size): New method definition.
1873         (Output_file_header::Output_file_header): Move size computation to
1874         Output_file_header::do_size and call it.
1875         (Output_file_header::do_size): New method definition.
1876         (Output_data_group::Output_data_group): Adjust call to
1877         Output_section_data.
1878         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1879         (Output_symtab_xindex::do_write): Add array bound check.
1880         (Output_section::Input_section::print_to_mapfile): Handle
1881         RELAXED_INPUT_SECTION_CODE.
1882         (Output_section::Output_section): Initialize data member checkpoint_.
1883         (Output_section::~Output_section): Delete checkpoint object pointed
1884         by checkpoint_.
1885         (Output_section::add_input_section): Always add an Input_section if
1886         relaxing.
1887         (Output_section::add_merge_input_section): Add assert.
1888         (Output_section::relax_input_section): New method definition.
1889         (Output_section::set_final_data_size): Set load address to zero for
1890         an unallocated section.
1891         (Output_section::do_address_and_file_offset_have_reset_values):
1892         New method definition.
1893         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1894         Handle relaxed input section.
1895         (Output_section::sort_attached_input_sections): Checkpoint input
1896         section list lazily.
1897         (Output_section::get_input_sections): Change type of input_sections to
1898         list of Simple_input_section pointers.  Checkpoint input section list
1899         lazily.  Also handle relaxed input sections.
1900         (Output_section::add_input_section_for_script): Take a reference to
1901         a Simple_input_section object instead of Relobj pointer and section
1902         index as parameter.  Handle relaxed input sections.
1903         (Output_section::save_states, Output_section::restore_states): New
1904         method definitions.
1905         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1906         (Output_data::is_data_size_fixed): New method definition.
1907         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1908         if it is fixed.
1909         (Output_data::address_and_file_offset_have_reset_values): New method
1910         definition.
1911         (Output_data::do_address_and_file_offset_have_reset_values): New method
1912         definition.
1913         (Output_data::set_data_size): Check that data size is not fixed.
1914         (Output_data::fix_data_size): New method definition.
1915         (Output_data::is_data_size_fixed_): New data member.
1916         (Output_section_headers::set_final_data_size): New method definition.
1917         (Output_section_headers::do_size): New method declaration.
1918         (Output_segment_headers::set_final_data_size): New method definition.
1919         (Output_segment_headers::do_size): New method declaration.
1920         (Output_file_header::set_final_data_size)::New method definition.
1921         (Output_file_header::do_size)::New method declaration.
1922         (Output_section_data::Output_section_data): Add new parameter
1923         is_data_size_fixed and use it to fix data size.
1924         (Output_data_const::Output_data_const): Adjust call to base class
1925         constructor and fix data size.
1926         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1927         base class constructor and fix data size.
1928         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1929         base class constructor and fix data size.
1930         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1931         class constructor and fix data size.
1932         (Output_data_group::set_final_data_size): New method definition.
1933         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1934         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1935         class constructor and fix data size.
1936         (Output_relaxed_input_section): New class definition.
1937         (Output_section::Simple_input_section): New class definition.
1938         (Output_section::get_input_sections): Adjust parameter list.
1939         (Output_section::add_input_section_for_script): Same.
1940         (Output_section::save_states, Output_section::restore_states,
1941         Output_section::do_address_and_file_offset_have_reset_values,
1942         (Output_section::Input_section::Input_section): Handle
1943         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1944         Output_relaxed_input_section.
1945         (Output_section::Input_section::is_input_section,
1946         Output_section::Input_section::set_output_section): Handle relaxed
1947         input section.
1948         (Output_section::Input_section::is_relaxed_input_section,
1949         Output_section::Input_section::output_section_data,
1950         Output_section::Input_section::relaxed_input_section): New method
1951         definitions.
1952         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1953         value.
1954         (Output_section::Input_section::u1_): Update comments.
1955         (Output_section::Input_section::u2_): Add new union member poris.
1956         (Output_section::Checkpoint_output_section): New classs definition.
1957         (Output_section::relax_input_section): New method declaration.
1958         (Output_section::checkpoint_): New data member.
1959         (Output_segment): Update comments.
1960         (Output_segment::Output_segment): Un-privatize copy constructor.
1961         (Output_segment::operator=): Un-privatize.
1962         * script-sections.cc (Output_section_element::Input_section_list):
1963         Change element type to Output_section::Simple_input_section.
1964         (Output_section_element_dot_assignment::set_section_addresses):
1965         Register output section data for relaxation clean up.
1966         (Output_data_exression::Output_data_expression): Adjust call to base
1967         constructor to fix data size.
1968         (Output_section_element_data::set_section_addresses): Register
1969         Output_data_expression object for relaxation clean up.
1970         (struct Input_section_info): Replace Relobj pointer and section index
1971         pair with Output_section::Simple_input_section and Convert struct to a
1972         class.
1973         (Input_section_sorter::operator()): Adjust access to
1974         Input_section_info data member to use accessors.
1975         (Output_section_element_input::set_section_addresses): Use layout
1976         parameter.  Adjust code to use Output_section::Simple_input_section
1977         and Input_secction_info classes.  Register filler for relaxation
1978         clean up.
1979         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1980         and section index pair with Output_section::Simple_input_section
1981         class.  Adjust code accordingly.
1982         (Phdrs_element::release_segment): New method definition.
1983         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1984         segment list.
1985         (Script_sections::release_segments): New method definition.
1986         * gold/script-sections.h (Script_sections::release_segments): New
1987         method declaration.
1988         * gold/target.h (Target::may_relax, Target::relax,
1989         Target::do_may_relax, Target::do_relax): New method definitions.
1990
1991 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1992
1993         * arm.cc (has_signed_unsigned_overflow): New function.
1994         (Arm_relocate_functions::abs8): New function.
1995         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1996         (Target_arm::Scan::global): Likewise.
1997         (Target_arm::relocate::relocate): Likewise.
1998         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1999         Likewise.
2000
2001 2009-09-16  Cary Coutant  <ccoutant@google.com>
2002
2003         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2004         * testsuite/Makefile.in: Regenerate.
2005
2006 2009-09-11  Nick Clifton  <nickc@redhat.com>
2007
2008         * po/gold.pot: Updated by the Translation project.
2009
2010 2009-09-08  Cary Coutant  <ccoutant@google.com>
2011
2012         * output.cc (Output_file::open): Add execute permission to empty file.
2013         * testsuite/Makefile.am (permission_test): New test.
2014         * testsuite/Makefile.in: Regenerate.
2015
2016 2009-09-02  Ian Lance Taylor  <iant@google.com>
2017
2018         * output.cc (Output_file::resize): Call map_no_anonymous rather
2019         than map.
2020
2021 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2022
2023         * gold.cc: Include "incremental.h".
2024         (queue_initial_tasks): Call Incremental_checker methods.
2025         * incremental.cc: Include "output.h".
2026         (Incremental_checker::can_incrementally_link_output_file): New
2027         method.
2028         * incremental.h (Incremental_checker): New class.
2029
2030         * output.cc (Output_file::open_for_modification): New method.
2031         (Output_file::map_anonymous): Changed return type to bool.  Record
2032         map in base_ field.
2033         (Output_file::map_no_anonymous): New method, broken out of map.
2034         (Output_file::map): Use map_no_anonymous and map_anonymous.
2035         * output.h (class Output_file): Update declarations.
2036
2037 2009-08-24  Cary Coutant  <ccoutant@google.com>
2038
2039         * options.h (Command_line::Pre_options): New class.
2040         (Command_line::pre_options): New member.
2041         * options.cc (gold::options::ready_to_register): New variable.
2042         (One_option::register_option): Do nothing if not registering options.
2043         Assert if same short option registered twice.
2044         (General_options::General_options): Turn off option registration when
2045         done constructing.
2046         (Command_line::Pre_options::Pre_options): New constructor.
2047
2048 2009-08-24  Cary Coutant  <ccoutant@google.com>
2049
2050         * options.h (General_options::no_keep_memory): Remove incorrect
2051         short option.
2052
2053 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2054
2055         * Makefile.am (am__skiplex, am__skipyacc): New.
2056         * Makefile.in: Regenerate.
2057
2058 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2059
2060         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2061         (INCLUDES): ... this.
2062         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2063         (AM_CPPFLAGS): Renamed from ...
2064         (INCLUDE): ... this.
2065         * Makefile.in, testsuite/Makefile.in: Regenerate.
2066
2067         * Makefile.in: Regenerate.
2068         * aclocal.m4: Likewise.
2069         * config.in: Likewise.
2070         * configure: Likewise.
2071         * testsuite/Makefile.in: Likewise.
2072
2073         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2074         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2075         * Makefile.in: Regenerate.
2076         * testsuite/Makefile.in: Regenerate.
2077
2078 2009-08-19  Cary Coutant  <ccoutant@google.com>
2079
2080         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2081         symbols in shared libraries overridden by hidden or internal symbols
2082         in the main program.
2083
2084 2009-08-19  Chris Demetriou  <cgd@google.com>
2085
2086         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2087         checking source file names in error messages.
2088
2089 2009-08-18  Doug Kwan  <dougkwan@google.com>
2090
2091         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2092         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2093         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2094         an elfcpp::Ehdr as parameter.
2095         * object.cc (Object::set_target): Remove the version that looks up
2096         a target and sets it.
2097         (Sized_relobj::setup): Take a Target object instead of
2098         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2099         (make_elf_sized_object): Find target and ask target to
2100         make an ELF object.
2101         * object.h: (Object::set_target): Remove the version that looks up
2102         a target and sets it.
2103         (Sized_relobj::setup): Take a Target object instead of
2104         an elfcpp:Ehdr as parameter.
2105         * target.cc: Include dynobj.h.
2106         (Target::do_make_elf_object_implementation): New.
2107         (Target::do_make_elf_object): New.
2108         * target.h (Target::make_elf_object): New template declaration.
2109         (Target::do_make_elf_object): New method declarations.
2110         (Target::do_make_elf_object_implementation): New template declaration.
2111
2112 2009-08-14  Ian Lance Taylor  <iant@google.com>
2113
2114         * gold.h (FUNCTION_NAME): Define.
2115         (gold_unreachable): Use FUNCTION_NAME.
2116
2117 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2118
2119         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2120         symbol in the --keep-unique list is not found.
2121
2122 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2123
2124         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2125         been maked as --keep-unique.
2126         (Icf::unfold_section): New function.
2127         * icf.h (Icf::unfold_section): New function.
2128         * options.h (General_options::keep_unique): New option.
2129         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2130         * testsuite/Makefile.in: Regenerate.
2131         * testsuite/icf_keep_unique_test.sh: New file.
2132         * testsuite/icf_keep_unique_test.cc: New file.
2133
2134 2009-08-12  Cary Coutant  <ccoutant@google.com>
2135
2136         PR 10471
2137         * resolve.cc (Symbol_table::resolve): Check for references from
2138         dynamic objects to hidden and internal symbols.
2139         * testsuite/Makefile.am (hidden_test.sh): New test.
2140         * testsuite/Makefile.in: Regenerate.
2141         * testsuite/hidden_test.sh: New script.
2142         * testsuite/hidden_test_1.c: New test source.
2143         * testsuite/hidden_test_main.c: New test source.
2144
2145 2009-08-11  Doug Kwan  <dougkwan@google.com>
2146
2147         * arm.cc: Update comments.
2148         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2149         segment to locate the .ARM.exidx section if present.
2150
2151 2009-08-09  Doug Kwan  <dougkwan@google.com>
2152
2153         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2154         patch.
2155
2156 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2157         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2158         compiler warnings.
2159
2160 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2161
2162         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2163         valid tls_segment only for non-debug-section relocations.
2164         * testsuite/Makefile.am: Add gc_tls_test.
2165         * testsuite/Makefile.in: Regenerate.
2166         * testsuite/gc_tls_test.cc: New file.
2167         * testsuite/gc_tls_test.sh: New file.
2168
2169 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2170
2171         * icf.cc: New file.
2172         * icf.h: New file.
2173         * Makefile.am (CCFILES): Add icf.cc.
2174         (HFILES): Add icf.h
2175         * Makefile.in: Regenerate.
2176         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2177         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2178         section, symbol and addend information for the relocs.
2179         * gold.cc (queue_middle_tasks): Call identical code folding.
2180         * gold.h: Add defines for multimap.
2181         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2182         to the call of finalize_local_symbols.
2183         * main.cc (main): Create object of class Icf.
2184         * object.cc (Sized_relobj::do_layout): Allow this function to be
2185         called twice during icf.
2186         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2187         to sections marked as identical by icf.
2188         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2189         when available.
2190         (Sized_relobj::do_section_entsize): New function.
2191         * object.h (Object::section_entsize): New function.
2192         (Object::do_section_entsize): New pure virtual function.
2193         (Relobj::finalize_local_symbols): Add new parameter.
2194         (Relobj::do_section_entsize): New function.
2195         * options.h (General_options::icf): New option.
2196         (General_options::icf_iterations): New option.
2197         (General_options::print_icf_sections): New option.
2198         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2199         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2200         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2201         icf.
2202         * symtab.cc (Symbol_table::is_section_folded): New function.
2203         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2204         to sections marked as identical by icf.
2205         * symtab.h (Symbol_table::set_icf): New function.
2206         (Symbol_table::icf): New function.
2207         (Symbol_table::is_section_folded): New function.
2208         (Symbol_table::icf_): New data member.
2209         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2210         * testsuite/Makefile.am: Add commands to build icf_test.
2211         * testsuite/Makefile.in: Regenerate.
2212         * testsuite/icf_test.sh: New file.
2213         * testsuite/icf_test.cc: New file.
2214
2215 2009-07-24  Chris Demetriou  <cgd@google.com>
2216
2217         * layout.cc (is_compressible_debug_section): Fix incorrect
2218         comment about compressed section names.
2219
2220 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2221
2222         PR 10419
2223         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2224
2225 2009-07-16  Ian Lance Taylor  <iant@google.com>
2226
2227         PR 10400
2228         * layout.h: #include <map>.
2229         (class Kept_section): Change from struct to class.  Add accessors
2230         and setters.  Add section size to Comdat_group mapping.  Change
2231         Comdat_group to std::map.  Add is_comdat_ field.  Add
2232         linkonce_size field in union.
2233         (class Layout): Update declaration of find_or_add_kept_section.
2234         Don't declare find_kept_object.
2235         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2236         parameter.  Add object, shndx, is_comdat, and is_group_name
2237         parameters.  Change all callers.  Adjust for new Kept_section.
2238         (Layout::find_kept_object): Remove.
2239         * object.cc (Sized_relobj::include_section_group): Update use of
2240         Kept_section.  Rename secnum to shndx.  Only record
2241         Kept_comdat_section if sections are the same size.
2242         (Sized_relobj::include_linkonce_section): Update use of
2243         Kept_section.  Only record Kept_comdat_section if sections are the
2244         same size.  Set size of linkonce section.
2245         (Sized_relobj::map_to_kept_section): Update call to
2246         get_kept_comdat_section.
2247         * object.h (class Sized_relobj): Rename fields in
2248         Kept_comdat_section to drop trailing underscores; change object
2249         field to Relobj*.  Change Kept_comdat_section_table to store
2250         struct rather than pointer.
2251         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2252         Add kept_object and kept_shndx parameters.  Change all callers.
2253         (Sized_relobj::get_kept_comdat_section): Change return type to
2254         bool.  Add kept_object and kept_shndx parameters.  Change all
2255         callers.
2256         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2257         Layout::find_or_add_kept_section.
2258
2259 2009-07-09  Ian Lance Taylor  <iant@google.com>
2260
2261         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2262         Reserve space in the hash table.
2263
2264 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2265
2266         * fileread.cc (File_read::get_mtime): New method.
2267         * fileread.h (Timespec): New structure.
2268         (File_read::get_mtime): New method.
2269         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2270         Renamed from timestamp_nsec.
2271         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2272         Elf_Xword.
2273         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2274         timestamp_nsec.
2275         (Incremental_inputs::report_archive): Save mtime; style fix.
2276         (Incremental_inputs::report_obejct): Save mtime; style fix.
2277         (Incremental_inputs::report_script): Save mtime; style fix.
2278         (Incremental_inputs::finalize_inputs): Style fix.
2279         (Incremental_inputs::finalize): Style fix.
2280         (Incremental_inputs::create_input_section_data): Store inputs
2281         mtime.
2282         * incremental.h (Incremental_inputs::report_script): Add mtime
2283         argument.
2284         (Incremental_inputs::Input_info::Input_info): Intialize only one
2285         union member.
2286         (Incremental_inputs::Input_info::archive): Move to nameless
2287         union.
2288         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2289         (Incremental_inputs::Input_info::script): Move to nameless union.
2290         (Incremental_inputs::mtime): New field.
2291         * script.cc (read_input_script): Pass file mtime to
2292         Incremental_input.
2293         * script.h (Script_info::inputs): Style fix.
2294
2295 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2296
2297         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2298         instead of 32.
2299
2300 2009-06-24  Ian Lance Taylor  <iant@google.com>
2301
2302         PR 10156
2303         * layout.cc (Layout::choose_output_section): If we find an
2304         existing section, update the flags.
2305         (Layout::create_notes): New function, broken out of
2306         Layout::finalize.
2307         (Layout::finalize): Don't create note sections.
2308         (Layout::create_note): Don't crash if linker script discards
2309         section.
2310         (Layout::create_gold_note): Likewise.
2311         (Layout::create_build_id): Likewise.  Don't set
2312         after_input_sections on the section.
2313         (Layout::create_executable_stack_info): Remove target parameter.
2314         Change caller.
2315         * layout.h (class Layout): Declare create_notes.  Update
2316         declaration of create_executable_stack_info.
2317         * gold.cc (queue_middle_tasks): Call create_notes.
2318         * output.cc (Output_section::update_flags_for_input_section): Move
2319         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2320         invalid.
2321         * output.h (Output_data::mark_address_invalid): New function.
2322         (class Output_section): Only declare, not define,
2323         update_flags_for_input_section.  Remove set_flags.
2324
2325 2009-06-24  Ian Lance Taylor  <iant@google.com>
2326
2327         * script-sections.cc (Output_section_definition::
2328         set_section_addresses): Rename shadowing local load_address to
2329         laddr.
2330
2331 2009-06-24  Ian Lance Taylor  <iant@google.com>
2332
2333         PR 10244
2334         * reloc.cc (relocate_sections): Skip empty relocation sections.
2335
2336 2009-06-23  Ian Lance Taylor  <iant@google.com>
2337
2338         PR 10156
2339         * layout.cc (Layout::create_note): Use choose_output_section
2340         rather than make_output_section.
2341
2342 2009-06-23  Ian Lance Taylor  <iant@google.com>
2343
2344         PR 10237
2345         * options.cc (General_options::parse_V): Set printed_version_.
2346         (General_options::General_options): Initialize printed_version_.
2347         * options.h (class General_options): Add printed_version_ field.
2348         * gold.cc (queue_initial_tasks): If there are no input files,
2349         don't give a fatal error if we printed the version information.
2350         (queue_middle_tasks): If using -r with a shared object, give a
2351         fatal error rather than an ordinary error.
2352
2353 2009-06-23  Ian Lance Taylor  <iant@google.com>
2354
2355         PR 10219
2356         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2357         (Layout::make_output_section): Set have_stabstr_section_ if we see
2358         a .stab*str section.
2359         (Layout::finalize): Call link_stabs_sections.
2360         (Layout::link_stabs_sections): New file.
2361         * layout.h (class Layout): Add have_stabstr_section_ field.
2362         Declare link_stabs_sections.
2363
2364 2009-06-23  Doug Kwan  <dougkwan@google.com>
2365
2366         * Makefile.am (libgold_a_LIBADD): New.
2367         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2368         * Makefile.in: Regenerate.
2369         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2370         * configure: Regenerate.
2371         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2372         * fileread.cc: Include sys/state.h
2373         * gold.h: Declare memmem and strndup if found missing.
2374         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2375
2376 2009-06-23  Ian Lance Taylor  <iant@google.com>
2377
2378         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2379         * configure: Rebuild.
2380
2381 2009-06-23  Ian Lance Taylor  <iant@google.com>
2382
2383         PR 10147
2384         * object.cc (Object::section_contents): Don't try to get a view if
2385         the section has length zero.
2386         (Object::handle_gnu_warning_section): If the section is empty, use
2387         the name of the section as the warning.
2388
2389 2009-06-23  Ian Lance Taylor  <iant@google.com>
2390
2391         PR 10133
2392         * stringpool.h (class Stringpool_template): Add optimize_ field.
2393         (Stringpool_template::set_optimize): New function.
2394         * stringpool.cc (Stringpool_template::Stringpool_template):
2395         Initialize optimize_ field.
2396         (Stringpool_template::set_string_offsets): Test local optimize
2397         fild rather than parameter.
2398         * layout.cc (Layout::Layout): Call set_optimize on the section
2399         name stringpool.
2400
2401 2009-06-22  Ian Lance Taylor  <iant@google.com>
2402
2403         PR 10030
2404         * yyscript.y: Parse TARGET.
2405         * script.cc (script_set_target): New function.
2406         * script-c.h (script_set_target): Declare.
2407         * options.cc (General_options::string_to_object_format): Rename
2408         from string_to_object_format in anonymous namespace.  Change
2409         callers.
2410         * options.h (class General_options): Declare
2411         string_to_object_format.
2412
2413 2009-06-22  Ian Lance Taylor  <iant@google.com>
2414
2415         * script-sections.cc (Script_sections::create_segments): Don't put
2416         program headers in a PT_LOAD segment if -n or -N.
2417
2418 2009-06-22  Ian Lance Taylor  <iant@google.com>
2419
2420         PR 10141
2421         * options.h (class General_options): Add -z lazy and -z now.  Sort
2422         -z options into alphabetical order.
2423         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2424
2425 2009-06-21  Ian Lance Taylor  <iant@google.com>
2426
2427         * layout.cc (Layout::make_output_section): Call
2428         Target::new_output_section.
2429         (Layout::attach_allocated_section_to_segment): Put large section
2430         sections in a separate load segment with the large segment flag
2431         set.
2432         (Layout::segment_precedes): Sort large data segments after other
2433         load segments.
2434         (align_file_offset): New static function.
2435         (Layout::set_segment_offsets): Use align_file_offset.
2436         * output.h (class Output_section): Add is_small_section_ and
2437         is_large_section_ fields.
2438         (Output_section::is_small_section): New function.
2439         (Output_section::set_is_small_section):  New function.
2440         (Output_section::is_large_section): New function.
2441         (Output_section::set_is_large_section): New function.
2442         (Output_section::is_large_data_section): New function.
2443         (class Output_segment): Add is_large_data_segment_ field.
2444         (Output_segment::is_large_data_segment): New function.
2445         (Output_segment::set_is_large_data_segment): New function.
2446         * output.cc (Output_section::Output_section): Initialize new
2447         fields.
2448         (Output_segment::Output_segment): Likewise.
2449         (Output_segment::add_output_section): Add assertion that large
2450         data sections always go in large data segments.  Force small data
2451         sections to the end of the list of data sections.  Force small BSS
2452         sections to the start of the list of BSS sections.  For large BSS
2453         sections to the end of the list of BSS sections.
2454         * symtab.h (class Symbol): Declare is_common_shndx.
2455         (Symbol::is_defined): Check Symbol::is_common_shndx.
2456         (Symbol::is_common): Likewise.
2457         (class Symbol_table): Define enum Commons_section_type.  Update
2458         declarations.  Add small_commons_ and large_commons_ fields.
2459         * symtab.cc (Symbol::is_common_shndx): New function.
2460         (Symbol_table::Symbol_table): Initialize new fields.
2461         (Symbol_table::add_from_object): Put small and large common
2462         symbols in the right list.
2463         (Symbol_table::sized_finalized_symbol): Check
2464         Symbol::is_common_shndx.
2465         (Symbol_table::sized_write_globals): Likewise.
2466         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2467         common symbol lists.  Don't call do_allocate_commons_list if the
2468         list is empty.
2469         (Symbol_table::do_allocate_commons_list): Remove is_tls
2470         parameter.  Add comons_section_type parameter.  Change all
2471         callers.  Handle small and large common symbols.
2472         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2473         Symbol::is_common_shndx.
2474         * resolve.cc (symbol_to_bits): Likewise.
2475         * target.h (Target::small_common_shndx): New function.
2476         (Target::small_common_section_flags): New function.
2477         (Target::large_common_shndx): New function.
2478         (Target::large_common_section_flags): New function.
2479         (Target::new_output_section): New function.
2480         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2481         small_common_section_flags, and large_common_section_flags
2482         fields.
2483         (Target::do_new_output_section): New virtual function.
2484         * arm.cc (Target_arm::arm_info): Initialize new fields.
2485         * i386.cc (Target_i386::i386_info): Likewise.
2486         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2487         Likewise.
2488         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2489         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2490         (Target_x86_64::do_new_output_section): New function.
2491         * configure.ac: Define conditional MCMODEL_MEDIUM.
2492         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2493         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2494         (large_LDFLAGS): Define.
2495         * testsuite/large.c: New file.
2496         * testsuite/testfile.cc (Target_test::test_target_info):
2497         Initialize new fields.
2498         * configure, testsuite/Makefile.in: Rebuild.
2499
2500 2009-06-05  Doug Kwan  <dougkwan@google.com>
2501
2502         * Makefile.am (CCFILES): Add target.cc.
2503         * Makefile.in: Regenerate.
2504         * i386.cc (class Target_i386): Define new virtual method to
2505         override do_is_local_label_name in parent.
2506         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2507         local symbols if --discard-locals or -X is given.
2508         * options.h (class General_options): Declare new options
2509         '--discard-locals' and '-X' for discarding locals.
2510         * target.h (class Target): Define new methods is_local_label_name.
2511         Declare new virtual method do_is_local_label_name.
2512         * target.cc: New file.
2513         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2514         (check_SCRIPTS): Add discard_locals_test.sh.
2515         (check_DATA): Add discard_local_tests.syms.
2516         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2517         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2518         * testsuite/Makefile.in: Regenerate.
2519         * testsuite/discard_locals_test.c: New file.
2520         * testsuite/discard_locals_test.sh: Same.
2521
2522 2009-06-05  Doug Kwan  <dougkwan@google.com>
2523
2524         * object.cc (Sized_relobj::Sized_relobj): Initialize
2525         discarded_eh_frame_shndx_ to -1U.
2526         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2527         section.
2528         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2529         a discarded .eh_frame section.
2530         (Sized_relobj::do_finalize_local_symbols): Ditto.
2531         * object.h (class Sized_relobj): Declare new member
2532         discarded_eh_frame_shndx_.
2533         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2534         (local_labels_test.o, local_labels_test): New rules.
2535         * testsuite/Makefile.in: Regenerate.
2536
2537 2009-06-04  Doug Kwan  <dougkwan@google.com>
2538
2539         * layout.cc (Layout::section_name_mapping): Add mapping for
2540         special ARM sections.
2541
2542 2009-06-03  Doug Kwan  <dougkwan@google.com>
2543
2544         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2545         (utils::has_overflow): Same.
2546
2547 2009-06-03  Ian Lance Taylor  <iant@google.com>
2548
2549         * layout.cc (Layout::section_name_mapping): New array, replacing
2550         Layout::linkonce_mapping.
2551         (Layout::section_name_mapping_count): New variable, replacing
2552         Layout::linkonce_mapping_count.
2553         (Layout::linkonce_output_name): Remove.
2554         (Layout::output_section_name): Rewrite.
2555         * layout.h (class Layout): Rename Linkonce_mapping to
2556         Section_name_mapping, linkonce_mapping to section_name_mapping,
2557         linkonce_mapping_count to section_name_mapping_count.  Don't
2558         declare linkonce_output_name.
2559
2560 2009-06-03  Doug Kwan  <dougkwan@google.com>
2561
2562         * gold/arm.cc (namespace utils): New.
2563         (Target_arm::reloc_is_non_pic): Define new method.
2564         (class Arm_relocate_functions): New.
2565         (Target_arm::Relocate::relocate): Handle relocation types used by
2566         Android.
2567
2568 2009-06-03  Ian Lance Taylor  <iant@google.com>
2569
2570         * arm.cc (Target_arm::scan::global): Use || instead of |.
2571
2572 2009-06-02  Doug Kwan  <dougkwan@google.com>
2573
2574         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2575         issued_non_pic_error_.
2576         (class Target_arm::Scan): Declare new method check_non_pic.
2577         Define new method symbol_needs_plt_entry.
2578         Declare new data member issued_non_pic_error_.
2579         (class Target_arm::Relocate): Declare new method
2580         should_apply_static_reloc.
2581         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2582         (Target_arm::Scan::check_non_pic): Define new method.
2583         (Target_arm::Scan::local): Handle a small subset of reloc types used
2584         by Android.
2585         (Target_arm::Scan::local): Same.
2586         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2587
2588 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2589
2590         * incremental.cc (Incremental_inputs::report_command_line): Filter
2591         out --incremental-* options.
2592
2593 2009-05-29  Doug Kwan  <dougkwan@google.com>
2594
2595         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2596         template class.
2597         (class Target_arm): Update comment.
2598         (Target_arm::Target_arm): Initialize new data members GOT_,
2599         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2600         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2601         and Target_arm::rel_dyn_section.
2602         Declare new_enum Target_arm::Got_type.
2603         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2604         and DYNBSS_.
2605         Update commments for member do_dynsym_value.
2606         (Target_arm::got_size, Target_arm::plt_section,
2607         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2608         new methods inside class defintion.
2609         (Target_arm::got_section): Define new method.
2610         (Target_arm::rel_dyn_section): Same.
2611         (Output_data_plt_arm): New template class.
2612         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2613         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2614         (Output_data_plt_arm::add_entry): Same.
2615         (Output_data_plt_arm::first_plt_entry): Define new
2616         static data member for PLT instruction template.
2617         (Output_data_plt_arm::plt_entry): Same.
2618         (Output_data_plt_arm::do_write): Define new method.
2619         (Target_arm::make_plt_entry): Same.
2620         (Target_arm::do_finalize_sections): Same.
2621         (Target_arm::do_dynsym_value): Same.
2622
2623 2009-05-28  Doug Kwan  <dougkwan@google.com>
2624
2625         * Makefile.am (TARGETSOURCES): Add arm.cc.
2626         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2627         * Makefile.in: Regenerate.
2628         * arm.cc: New file.
2629         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2630
2631 2009-05-26  Doug Kwan  <dougkwan@google.com>
2632
2633         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2634         (General_options::check_excluded_libs): Strip off directories in
2635         archive name before matching like GNU ld does.
2636         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2637         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2638         (exclude_libs_test_LDFLAGS): Add linker option
2639         -Wl,--exclude-libs,libexclude_libs_test_3
2640         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2641         an explicit archive without using -l.
2642         (alt/libexclude_libs_test_3.a): New make rule.
2643         * testsuite/Makefile.in: Regenerate.
2644         * testsuite/exclude_libs_test.c : Declare lib3_default().
2645         (main): Call it.
2646         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2647         * exclude_libs_test_3.c: New file.
2648
2649 2009-05-26  Nick Clifton  <nickc@redhat.com>
2650
2651         * po/id.po: New Indonesian translation.
2652         * po/gold.pot: Updated template file.
2653
2654 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2655
2656         * testsuite/Makefile.am: Add -ffunction-sections to compile
2657         gc_comdat_test files.  Add -Wl,--gc-sections to build
2658         gc_comdat_test.
2659         * testsuite/Makefile.in: Regenerate.
2660         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2661
2662 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2663
2664         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2665         kept comdat section was garbage collected.
2666         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2667         * testsuite/Makefile.in: Regenerate.
2668         * testsuite/gc_comdat_test.sh: New file.
2669         * testsuite/gc_comdat_test_1.cc: New file.
2670         * testsuite/gc_comdat_test_2.cc: New file.
2671
2672 2009-05-19  Doug Kwan  <dougkwan@google.com>
2673
2674         * archive.cc (Archive::Archive): Move constructor from archive.h
2675         to here.  Initialize no_export_.
2676         (Archive::get_elf_object_for_member): Set no_export flag of object.
2677         * archive.h (Archive::Archive): Move constructor body to
2678         archive.cc.
2679         (Archive::no_export): New method.
2680         (Archive::no_export_): New field.
2681         * object.h (Object::Object): Initialize no_export_ to false.
2682         (Object::no_export, Object::set_no_export): New methods.
2683         (Object::no_export_): New field.
2684         * options.cc (General_options::parse_exclude_libs): New method.
2685         (General_options::check_excluded_libs) Same.
2686         * options.h (exclude_libs): New option.
2687         (General_options::check_excluded_libs): New method declaration.
2688         (General_options::excluded_libs_): New field.
2689         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2690         default or protected visibility if an object has no-export flag set.
2691         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2692         (check_SCRIPTS): Add exclude_libs_test.sh.
2693         (check_DATA): Add exclude_libs_test.syms.
2694         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2695         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2696         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2697         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2698         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2699         libexclude_libs_test_2.a): New rules.
2700         * testsuite/Makefile.in: Regenerate.
2701         * testsuite/exclude_libs_test.c: New file.
2702         * testsuite/exclude_libs_test.sh: Ditto.
2703         * testsuite/exclude_libs_test_1.c: Ditto.
2704         * testsuite/exclude_libs_test_2.c: Ditto.
2705
2706 2009-05-15  Ian Lance Taylor  <iant@google.com>
2707
2708         * configure.ac: Check for declarations for cases where libiberty.h
2709         checks HAVE_DECL_xxx.
2710         * configure, config.in: Rebuild.
2711
2712 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2713
2714         * gold.h (Incremental_argument_list): Remove (invalid) forward
2715         declaration.
2716         * incremental.cc (Incremental_inputs::report_achive): New method.
2717         (Incremental_inputs::report_object): New method.
2718         (Incremental_inputs::report_script): New method.
2719         (Incremental_inputs::finalize_inputs): New method.
2720         (Incremental_inputs::finalize): Call finalize_inputs().
2721         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2722         Create inputs entries.
2723         * incremental.h (Incremental_input_type): New enum.
2724         (Incremental_inputs::Incremental_input): Initialize new fields.
2725         (Incremental_inputs::report_inputs): New method.
2726         (Incremental_inputs::report_achive): New method.
2727         (Incremental_inputs::report_object): New method.
2728         (Incremental_inputs::report_script): New method.
2729         (Incremental_inputs::finalize_inputs): New method.
2730         (Incremental_inputs::Input_info): New struct.
2731         (Incremental_inputs::Input_info_map): New typedef.
2732         (Incremental_inputs::lock_): New field.
2733         (Incremental_inputs::Inputs_): New field.
2734         (Incremental_inputs::Inputs_map): New field.
2735         * main.cc (main): Call Incremental_input::report_inputs.
2736         * options.h (Input_argument_list): Typedef moved from
2737         Input_arguments.
2738         (Input_file_group::Files): Remove, use ::Input_argument_list.
2739         (Input_file_group::Input_argument_list): Remove, use
2740         ::Input_argument_list.
2741         * plugin.cc (Plugin_manager::add_input_file): Add error in
2742         incremental build.
2743         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2744         functions.
2745         * script.cc (read_input_script): Call
2746         Incremental_input::report_script.
2747         * script.h (Script_info): New class.
2748
2749 2009-04-27  Ian Lance Taylor  <iant@google.com>
2750
2751         * x86_64.cc (do_adjust_output_section): Set entsize to
2752         plt_entry_size.
2753
2754 2009-04-23  Elliott Hughes  <enh@google.com>
2755
2756         * output.cc (Output_file::close): After short writes, continue
2757         writing from the correct offset in the buffer being written.
2758
2759 2009-04-23  Chris Demetriou  <cgd@google.com>
2760
2761         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2762         * configure: Regenerate.
2763         * config.in: Regenerate.
2764         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2765         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2766
2767 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2768
2769         * incremental.cc (Incremental_inputs_header_data): Renamed from
2770         Incremental_input_header_data.
2771         (Incremental_inputs_header_data::data_size): New field.
2772         (Incremental_inputs_header_data::put_input_file_count): Renamed
2773         from input_file_count.
2774         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2775         from command_line_offset.
2776         (Incremental_inputs_header_data::put_reserved): Renamed from
2777         put_reserved.
2778         (Incremental_inputs_entry_data): Renamed from
2779         Incremental_input_entry_data.
2780         (Incremental_inputs_entry_data::data_size): New field.
2781         (Incremental_inputs::report_command_line): New method.
2782         (Incremental_inputs::finalize): New method.
2783         (Incremental_inputs::create_incremental_inputs_data): New method.
2784         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2785         * incremental.h: New file.
2786         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2787        (Layout::finalize): Create incremental inputs section in
2788         incremental builds.
2789        (Layout::create_incremental_info_sections): New method.
2790         * layout.h (Layout::incremental_inputs): New method.
2791        (Layout::create_incremental_info_sections): New method.
2792        (Layout::incremental_inputs_): New field.
2793         * main.cc (main): Notify Incremental_input of the command line.
2794
2795 2009-04-01  Ian Lance Taylor  <iant@google.com>
2796             Mikolaj Zalewski  <mikolajz@google.com>
2797
2798         * gold.h (reserve_unordered_map): Define, three versions, one for
2799         each version of Unordered_map.
2800         * layout.cc (Layout::Layout): Remove options parameter.  Add
2801         number_of_input_files parameter.  Don't initialize options_.
2802         Initialize number_of_input_files_ and resized_signatures_.  Move
2803         sections_are_attached_.
2804         (Layout::layout_group): Reserve space for group_signatures_.
2805         (Layout::find_or_add_kept_section): Change name parameter to be a
2806         reference.  Resize signatures_ map when it gets large enough.
2807         (Layout::layout_eh_frame): Use parameters->options() instead of
2808         this->options_.
2809         (Layout::make_output_section): Likewise.
2810         (Layout::attach_allocated_section_to_segment): Likewise.
2811         (Layout::finalize, Layout::create_executable_stack): Likewise.
2812         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2813         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2814         * layout.h (class Layout): Update declarations.  Remove options_
2815         field.  Add number_of_input_files_ and resized_signatures_
2816         fields.  Move sections_are_attached_ field.
2817         * main.cc (main): Pass number of input files to Layout
2818         constructor.  Don't pass options.
2819
2820 2009-03-30  Ian Lance Taylor  <iant@google.com>
2821
2822         * ffsll.c (ffsll): Correct implementation.
2823
2824 2009-03-27  Ian Lance Taylor  <iant@google.com>
2825
2826         * ffsll.c: New file.
2827         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2828         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2829         * ftruncate.c (ftruncate): Declare before definition.
2830         * mremap.c (mremap): Likewise.
2831         * pread.c (pread): Likewise.
2832         * configure, Makefile.in, config.in: Rebuild.
2833
2834         * mremap.c: New file.
2835         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2836         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2837         (mremap): Declare if HAVE_MREMAP is not defined.
2838         * configure, Makefile.in, config.in: Rebuild.
2839
2840 2009-03-27  Cary Coutant  <ccoutant@google.com>
2841
2842         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2843         position independent.
2844         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2845         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2846
2847 2009-03-24  Cary Coutant  <ccoutant@google.com>
2848
2849         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2850         an executable.
2851         (needs_dynamic_reloc): Likewise.
2852
2853 2009-03-24  Ian Lance Taylor  <iant@google.com>
2854
2855         * yyscript.y (file_cmd): Recognize EXTERN.
2856         (extern_name_list, extern_name_list_body): New nonterminals.
2857         * script.cc (script_add_extern): Define.
2858         * script-c.h (script_add_extern): Declare.
2859
2860 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2861
2862         * object.cc (is_elf_object): Define.
2863         * object.h (is_elf_object): Declare.
2864         * archive.cc (Archive::get_elf_object_for_member): Call
2865         is_elf_object.
2866         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2867
2868 2009-03-24  Elliott Hughes  <enh@google.com>
2869
2870         * output.cc (Output_file::map_anonymous): Define.
2871         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2872         try an anonymous one.  Report the size if the mmap fails.
2873         * output.h (class Output_file): Declare map_anonymous.
2874
2875 2009-03-24  Ian Lance Taylor  <iant@google.com>
2876
2877         * target-select.cc (instantiate_target): Don't acquire the lock if
2878         the instantiated_target_ field has already been set.
2879
2880 2009-03-23  Ian Lance Taylor  <iant@google.com>
2881
2882         * gold-threads.h (class Initialize_lock): Define.
2883         * gold-threads.cc (class Initialize_lock_once): Define.
2884         (initialize_lock_control): New static variable.
2885         (initialize_lock_pointer): New static variable.
2886         (initialize_lock_once): New static function.
2887         (Initialize_lock::Initialize_lock): Define.
2888         (Initialize_lock::initialize): Define.
2889         * target-select.h: Include "gold-threads.h".
2890         (class Target_selector): Add lock_ and initialize_lock_ fields.
2891         Don't define instantiate_target, just declare it.
2892         * target-select.cc (Target_selector::Target_selector): Initialize
2893         new fields.
2894         (Target_selector::instantiate_target): Define.
2895         * descriptors.h: Include "gold-threads.h".
2896         (class Descriptors): Add initialize_lock_ field.
2897         * descriptors.cc (Descriptors::Descriptors): Initialize new
2898         field.
2899         (Descriptors::open): Use initialize_lock_ field
2900         * errors.h (class Errors): Add initialize_lock_ field.
2901         * errors.cc (Errors::Errors): Initialize new field.
2902         (Errors::initialize_lock): Use initialize_lock_ field.
2903         * powerpc.cc (class Target_selector_powerpc): Remove
2904         instantiated_target_ field.  In do_recognize call
2905         instantiate_target rather than do_instantiate_target.  In
2906         do_instantiate_target just allocate a new target.
2907         * sparc.cc (class Target_selector_sparc): Likewise.
2908
2909         * freebsd.h: New file.
2910         * i386.cc: Include "freebsd.h".
2911         (Target_i386): Derive from Target_freebsd rather than
2912         Sized_target.
2913         (Target_selector_i386): Derive from Target_selector_freebsd rather
2914         than Target_selector.
2915         * x86_64.cc: Include "freebsd.h".
2916         (Target_x86_64): Derive from Target_freebsd rather than
2917         Sized_target.
2918         (Target_selector_x86_64): Derive from Target_selector_freebsd
2919         rather than Target_selector.
2920         * target.h (class Target): Add adjust_elf_header and
2921         do_adjust_elf_header.
2922         * output.cc (Output_file_header:: do_sized_write): Call target
2923         adjust_elf_header routine.
2924         * configure.tgt: Set targ_osabi.
2925         * configure.ac: Define GOLD_DEFAULT_OSABI.
2926         * parameters.cc (Parameters::default_target): Pass
2927         GOLD_DEFAULT_OSABI to select_target.
2928         * target-select.h (class Target_selector): Make instantiate_target
2929         protected rather than private.
2930         * Makefile.am (HFILES): Add freebsd.h.
2931         * configure, Makefile.in, config.in: Rebuild.
2932
2933         * merge.cc (do_add_input_section): Correct pend value.  Change
2934         message about last entry not being null terminated from error to
2935         warning.
2936
2937 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2938
2939         * incremental.cc: New file.
2940         * Makefile.am (CCFILES): Add incremental.cc.
2941         * Makefile.in: Rebuild.
2942
2943 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2944
2945         * layout.cc (Layout::output_section_name): Preserve names
2946         of '.note.' sections.
2947
2948 2009-03-19  Ian Lance Taylor  <iant@google.com>
2949
2950         * descriptors.cc (Descriptors::open): Check that the options are
2951         valid before using them.
2952
2953 2009-03-18  Ian Lance Taylor  <iant@google.com>
2954
2955         * script-sections.h: Include <list>.
2956         (class Script_sections): Change Sections_elements from std::vector
2957         to std::list.  Typedef public Elements_iterator.  Add
2958         orphan_section_placement_, data_segment_align_start_, and
2959         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2960         field.
2961         * script-sections.cc (class Orphan_section_placement): New class.
2962         (class Sections_element): Add virtual functions is_relro and
2963         orphan_section_init.  Remove virtual function place_orphan_here.
2964         (class Output_section_definition): Add is_relro and
2965         orphan_section_init.  Remove place_orphan_here.
2966         (class Orphan_output_section): Likewise.
2967         (Script_sections::Script_sections): Update for field changes.
2968         (Script_sections::data_segment_align): Set saw_data_segment_align_
2969         and data_segment_align_start_, not data_segment_align_index.
2970         (Script_sections::data_segment_relro_end): Check
2971         saw_data_segment_align_.  Use data_segment_align_start_ rather
2972         than data_segment_align_index_.
2973         (Script_sections::place_orphan): Rewrite to use
2974         Orphan_section_placement.
2975
2976 2009-03-17  Ian Lance Taylor  <iant@google.com>
2977
2978         * archive.cc (Archive::add_symbols): Check for a version attached
2979         to the symbol name in the archive map.
2980         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2981         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2982         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2983         (ver_test_11.a): New target.
2984         * testsuite/Makefile.in: Rebuild.
2985
2986         * configure.ac: Check for chsize and posix_fallocate.  Replace
2987         ftruncate.
2988         * ftruncate.c: New file, from gnulib.
2989         * output.cc (posix_fallocate): Define dummy version if not
2990         HAVE_POSIX_FALLOCATE.
2991         (Output_file::map): Call posix_fallocate rather than lseek and
2992         write.
2993         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2994         * configure, Makefile.in, config.in: Rebuild.
2995
2996 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2997
2998         * layout.h (Layout::create_note): Add section_name parameter.
2999         * layout.cc (Layout::create_note): Likewise.
3000         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3001
3002 2009-03-17  Ian Lance Taylor  <iant@google.com>
3003
3004         * descriptors.cc: Include "options.h".
3005         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3006         (Descriptors::open): Always use O_CLOEXEC when opening a new
3007         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3008         then set FD_CLOEXEC.
3009
3010         * sparc.cc (class Target_sparc): Add has_got_section.
3011         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3012         make sure we have a GOT section.
3013
3014         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3015         (Target_sparc::Scan::local): Likewise.
3016         (Target_sparc::Scan::global): Likewise.
3017         (Target_sparc::Relocate::relocate): Likewise.
3018         (Target_sparc::Relocate::relocate_tls): Likewise.
3019
3020         * symtab.cc (Symbol_table::define_default_version): New function,
3021         broken out of add_from_object.
3022         (Symbol_table::add_from_object): Call define_default_version.
3023         (Symbol_table::define_special_symbol): Add resolve_oldsym
3024         parameter.  Change all callers.  If the version for a symbol comes
3025         from a version script, resolve it with the symbol with the same
3026         name with no version.  Also add the symbol without a version if
3027         appropriate.
3028         (do_define_in_output_data): If resolving with oldsym, don't delete
3029         sym.
3030         (do_define_in_output_segment): Likewise.
3031         (do_define_as_constant): Likewise.
3032         * symtab.h (class Symbol_table): Update declarations.
3033
3034 2009-03-13  Ian Lance Taylor  <iant@google.com>
3035
3036         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3037         (Read_symbols::requeue): New function.
3038         (Read_symbols::do_read_symbols): If make_elf_object fails because
3039         the target type is not configured, and the file was searched for,
3040         issue a warning and retry with the next directory.
3041         (Add_symbols::run): If the file has an incompatible format, and
3042         it was searched for, requeue the Read_symbols task.  On error,
3043         release the object.
3044         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3045         dirindex parameter to constructor.  Change all callers.  Declare
3046         incompatible_warning and requeue.
3047         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3048         input_argument_ and input_group_ fields.  Add them to
3049         constructor.  Change all callers.
3050         (class Read_script): Add dirindex_ field.  Add it to constructor.
3051         Change all callers.
3052         * archive.cc (Archive::setup): Remove input_objects parameter.
3053         Change all callers.
3054         (Archive::get_file_and_offset): Likewise.
3055         (Archive::read_all_symbols): Likewise.
3056         (Archive::read_symbols): Likewise.
3057         (Archive::get_elf_object_for_member): Remove input_objects
3058         parameter.  Add punconfigured parameter.  Change all callers.
3059         (Archive::add_symbols): Change return type to bool.  Check return
3060         value of include_member.
3061         (Archive::include_all_members): Likewise.
3062         (Archive::include_member): Change return type to bool.  Return
3063         false if first included object has incompatible target.  Set
3064         included_member_ field.
3065         (Add_archive_symbols::run): If add_symbols returns false, requeue
3066         Read_symbols task.
3067         * archive.h (class Archive): Add included_member_ field.
3068         Initialize it in constructor.  Add input_file and searched_for
3069         methods.  Update declarations.
3070         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3071         input_argument_ fields.  Add them to constructor.  Change all
3072         callers.
3073         * script.cc: Include "target-select.h".
3074         (class Parser_closure): Add skip_on_incompatible_target_ and
3075         found_incompatible_target_ fields.  Add
3076         skip_on_incompatible_target parameter to constructor.  Change all
3077         callers.  Add methods skip_on_incompatible_target,
3078         clear_skip_on_incompatible_target, found_incompatible_target, and
3079         set_found_incompatible_target.
3080         (read_input_script): Add dirindex parameter.  Change all callers.
3081         If parser finds an incompatible target, requeue Read_symbols
3082         task.
3083         (script_set_symbol): Clear skip_on_incompatible_target in
3084         closure.
3085         (script_add_assertion, script_parse_option): Likewise.
3086         (script_start_sections, script_add_phdr): Likewise.
3087         (script_check_output_format): New function.
3088         * script.h (read_input_script): Update declaration.
3089         * script-c.h (script_check_output_format): Declare.
3090         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3091         (ignore_cmd): Remove OUTPUT_FORMAT.
3092         * fileread.cc (Input_file::Input_file): Add explicit this.
3093         (Input_file::will_search_for): New function.
3094         (Input_file::open): Add pindex parameter.  Change all callers.
3095         * fileread.h (class Input_file): Add input_file_argument method.
3096         Declare will_search_for.  Update declarations.
3097         * object.cc (make_elf_object): Add punconfigured parameter.
3098         Change all callers.
3099         * object.h (class Object): Make input_file public.  Add
3100         searched_for method.
3101         (make_elf_object): Update declaration.
3102         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3103         restart search.
3104         * dirsearch.h (class Dirsearch): Update declaration.
3105         * options.h (class General_options): Add --warn-search-mismatch.
3106         * parameters.cc (Parameters::is_compatible_target): New function.
3107         * parameters.h (class Parameters): Declare is_compatible_target.
3108         * workqueue.cc (Workqueue::add_blocker): New function.
3109         * workqueue.h (class Workqueue): Declare add_blocker.
3110
3111         * fileread.cc (Input_file::open): Remove options parameter.
3112         Change all callers.
3113         (Input_file::open_binary): Likewise.
3114         * script.cc (read_input_script): Likewise.
3115         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3116         options parameter from constructor.  Change all callers.
3117         (class Read_script): Likewise.
3118         * fileread.h (class Input_file): Update declarations.
3119         * script.h (read_input_script): Update declaration.
3120
3121 2009-03-10  Nick Clifton  <nickc@redhat.com>
3122
3123         * po/es.po: New Spanish translation.
3124
3125 2009-03-06  Cary Coutant  <ccoutant@google.com>
3126
3127         * options.cc (parse_short_option): Keep dash_z from registering itself.
3128
3129 2009-03-03  Ian Lance Taylor  <iant@google.com>
3130
3131         PR 9918
3132         * target-reloc.h (relocate_section): Pass output_section to
3133         relocate.
3134         * i386.cc (Target_i386::should_apply_static_reloc): Add
3135         output_section parameter.  Change all callers.
3136         (Target_i386::Relocate::relocate): Add output_section parameter.
3137         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3138         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3139         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3140         * testsuite/two_file_shared.sh: New script.
3141         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3142         (check_DATA): Add two_file_shared.dbg.
3143         (two_file_shared.dbg): New target.
3144         * testsuite/Makefile.in: Rebuild.
3145
3146 2009-03-01  Ian Lance Taylor  <iant@google.com>
3147
3148         * configure.ac: Check for byteswap.h.
3149         * configure: Rebuild.
3150         * config.in: Rebuild.
3151
3152 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3153
3154         * layout.cc (Layout::find_or_add_kept_section): New function.
3155         (Layout::add_comdat): Removed.
3156         * layout.h (struct Kept_section): Move out of class Layout.
3157         Remove trailing underscores from field names.  Add group_sections
3158         field.  Rename group_ field to is_group.  Change all uses.
3159         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3160         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3161         comdat_groups_ field.
3162         (Sized_relobj::include_section_group): Use
3163         find_or_add_kept_section and Kept_section::group_sections.
3164         (Sized_relobj::include_linkonce_section): Likewise.
3165         * object.cc (class Sized_relobj): Don't define Comdat_group or
3166         Comdat_group_table.  Remove find_comdat_group and
3167         add_comdat_group.  Remove comdat_groups_ field.
3168         * plugin.cc (include_comdat_group): Use
3169         Layout::find_or_add_kept_section.
3170
3171 2009-02-28  Ian Lance Taylor  <iant@google.com>
3172
3173         * README: --gc-sections and map files are now supported.  Document
3174         some build requirements.
3175
3176         PR 6992
3177         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3178         relocatable link set the value of the section symbol to zero.
3179         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3180         relocatable link don't include the section address in the local
3181         symbol value.
3182
3183 2009-02-27  Ian Lance Taylor  <iant@google.com>
3184
3185         PR 6811
3186         * options.h (class Search_directory): Add is_system_directory.
3187         (class General_options): Declare is_in_system_directory.
3188         * options.cc (get_relative_sysroot): Make static.
3189         (get_default_sysroot): Make static.
3190         (General_optoins::is_in_system_directory): New function.
3191         * fileread.cc (Input_file::is_in_system_directory): New function.
3192         * fileread.h (class Input_file): Declare is_in_system_directory.
3193         * object.h (class Object): Add is_in_system_directory.
3194         (class Input_objects): Remove system_library_directory_ field.
3195         * object.cc (Input_objects::add_object): Don't set
3196         system_library_directory_.
3197         (input_objects::found_in_system_library_directory): Remove.
3198         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3199         parameter.  Change all callers.
3200         (Symbol_table::sized_write_globals): Likewise.
3201         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3202         Call Object::is_in_system_directory.
3203         * symtab.h (class Symbol_table): Update declarations.
3204
3205         PR 5990
3206         * descriptors.h (Open_descriptor): Add is_on_stack field.
3207         * descriptors.cc (Descriptors::open): If the descriptor is on the
3208         top of the stack, remove it.  Initialize is_on_stack field.
3209         (Descriptors::release): Only add pod to stack if it is not on the
3210         stack already.
3211         (Descriptors::close_some_descriptor): Clear stack_next and
3212         is_on_stack fields.
3213
3214         PR 7091
3215         * output.cc (Output_section::find_starting_output_address): Rename
3216         from starting_output_address; add PADDR parameter; change return
3217         type.
3218         * output.h (class Output_section): Declare
3219         find_starting_output_address instead of starting_output_address.
3220         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3221         section symbol for which we can't find a merge section.
3222
3223         PR 9836
3224         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3225         hidden or internal, force the symbol to be local.
3226         * resolve.cc (Symbol::override_visibility): Define.
3227         (Symbol::override_base): Use override_visibility.
3228         (Symbol_table::resolve): Likewise.
3229         (Symbol::override_base_with_special): Likewise.
3230         (Symbol_table::override_with_special): If the visibility is hidden
3231         or internal, force the symbol to be local.
3232         * symtab.h (class Symbol): Add set_visibility and
3233         override_visibility.
3234         * testsuite/ver_test_1.sh: New file.
3235         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3236         (check_DATA): Add ver_test_1.syms.
3237         (ver_test_1.syms): New target.
3238         * testsuite/Makefile.in: Rebuild.
3239
3240 2009-02-25  Cary Coutant  <ccoutant@google.com>
3241
3242         * layout.cc (Layout::choose_output_section): Don't rename sections
3243         when using a linker script that has a SECTIONS clause.
3244         * Makefile.in: Regenerate.
3245
3246         * testsuite/Makefile.am (script_test_5.sh): New test case.
3247         * testsuite/Makefile.in: Regenerate.
3248         * testsuite/script_test_5.cc: New file.
3249         * testsuite/script_test_5.sh: New file.
3250         * testsuite/script_test_5.t: New file.
3251
3252 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3253
3254         * archive.cc (Archive::include_member): Update calls to add_symbols.
3255         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3256         the Layout argument.
3257         * dynobj.h (do_add_symbols): Add the Layout argument.
3258         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3259         Layout argument.
3260         * object.h (Object::add_symbols): Add the Layout argument.
3261         (Object::do_add_symbols): Add the Layout argument.
3262         (Sized_relobj::do_add_symbols): Add the Layout argument.
3263         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3264         Unify the two versions.
3265         (Add_plugin_symbols): Remove.
3266         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3267         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3268         (Add_plugin_symbols): Remove.
3269         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3270         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3271         (Add_symbols::run): Make it work with Pulginobj.
3272
3273 2009-02-06  Ian Lance Taylor  <iant@google.com>
3274
3275         * object.cc (Sized_relobj::do_layout): Make info message start
3276         with lower case letter.
3277
3278 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3279
3280         * binary.cc: Fix file comment.
3281
3282         * options.h (enum Incremental_disposition): Define.
3283         (class General_options): Add new options: --incremental,
3284         --incremental_changed, --incremental_unchanged,
3285         --incremental_unknown.  Add incremental_disposition_ and
3286         implicit_incremental_ fields.
3287         (General_options::incremental_disposition): New function.
3288         (class Position_dependent_options): Add incremental_disposition
3289         option.
3290         (Position_dependent_options::copy_from_options): Set incremental
3291         dispositions.
3292         * options.cc (General_options::parse_incremental_changed): New
3293         function.
3294         (General_options::parse_incremental_unchanged): New function.
3295         (General_options::parse_incremental_unknown): New function.
3296         (General_options::General_options): Initialize new fields
3297         incremental_disposition_ and implicit_incremental_.
3298         (General_options::finalize): Check for uasge of --incremental-*
3299         without --incremental.
3300
3301 2009-02-06  Chris Demetriou  <cgd@google.com>
3302
3303         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3304         pointer and to report location as the file name associated with
3305         the symbol.
3306         (gold_undefined_symbol_at_location): New function to replace the
3307         old gold_undefined_symbol functionality.
3308         * target-reloc.h (relocate_section): Update to use
3309         gold_undefined_symbol_at_location.
3310         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3311         Call gold_undefined_symbol function rather than gold_error.
3312         * errors.h (Errors::undefined_symbol): Take location as a
3313         string, rather than calculating it from a relocation.
3314         * errors.cc (Errors::fatal): Print "fatal error:" before the
3315         formatted message.
3316         (Errors::error, Errors::error_at_location): Print "error: "
3317         before the formatted message.
3318         (Errors::undefined_symbol): Take location as a string, rather
3319         than calculating it from a relocation.
3320         (gold_undefined_symbol_at_location): New function akin to
3321         old gold_undefined_symbol, calculates location from relocation.
3322         (gold_undefined_symbol): Change to take only a Symbol pointer
3323         and to report location as the file name associated with the symbol.
3324         * testsuite/debug_msg.sh: Update for changed error messages.
3325         * testsuite/undef_symbol.sh: Likewise.
3326
3327 2009-02-04  Duncan Sands  <baldrick@free.fr>
3328
3329         PR 9812
3330         * reduced_debug_output.h
3331         (Output_reduced_debug_abbrev_section::failed): Use format for
3332         gold_warning.
3333         (Output_reduced_debug_info_section::faild): Likewise.
3334
3335 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3336
3337         * script.cc (Lazy_demangler): New class.
3338         (Version_script_info::get_symbol_version_helper): Demangle a
3339         symbol only once.
3340
3341 2009-01-29  Cary Coutant  <ccoutant@google.com>
3342
3343         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3344         to __tls_get_addr.
3345         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3346
3347 2009-01-28  Ian Lance Taylor  <iant@google.com>
3348
3349         * version.cc (version_string): Bump to 1.9.
3350
3351         * gold.h: Include <cstring> and <stdint.h>.
3352         * version.cc: Include <cstdio>.
3353         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3354         warning.
3355         * reduced_debug_output.cc (insert_into_vector): Rename from
3356         Insert_into_vector; change all callers.  Use Swap_unaligned to
3357         avoid aliasing issue; remove union since it is unnecessary.
3358
3359 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3360
3361         * Makefile.am (CCFILES): Add gc.cc.
3362         (HFILES): Add gc.h.
3363         * Makefile.in: Regenerate.
3364         * gold.cc (Gc_runner): New class.
3365         (queue_initial_tasks): Call garbage collection related tasks
3366         when corresponding options are invoked.
3367         (queue_middle_gc_tasks): New function.
3368         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3369         processed early before laying out sections during garbage collection.
3370         * gold.h (queue_middle_gc_tasks): New function.
3371         (is_prefix_of): Move from "layout.cc".
3372         * i386.cc (Target_i386::gc_process_relocs): New function.
3373         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3374         * main.cc (main): Create object of class "Garbage_collection".
3375         * object.cc (Relobj::copy_symbols_data): New function.
3376         (Relobj::is_section_name_included): New function.
3377         (Sized_relobj::do_layout): Allow this function to be called twice
3378         during garbage collection and defer layout of section during the
3379         first call.
3380         * object.h (Relobj::get_symbols_data): New function.
3381         (Relobj::is_section_name_included): New function.
3382         (Relobj::copy_symbols_data): New function.
3383         (Relobj::set_symbols_data): New function.
3384         (Relobj::get_relocs_data): New function.
3385         (Relobj::set_relocs_data): New function.
3386         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3387         (Relobj::gc_process_relocs): New function.
3388         (Relobj::do_gc_process_relocs): New pure virtual function.
3389         (Relobj::sd_): New data member.
3390         (Sized_relobj::is_output_section_offset_invalid): New function.
3391         (Sized_relobj::do_gc_process_relocs): New function.
3392         * options.h (General_options::gc_sections): Modify to not be a no-op.
3393         (General_options::print_gc_sections): New option.
3394         * plugin.cc (Plugin_finish::run): Remove function call to
3395         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3396         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3397         * reloc.cc (Read_relocs::run): Add task to process relocs and
3398         determine unreferenced sections when doing garbage collection.
3399         (Gc_process_relocs): New class.
3400         (Sized_relobj::do_gc_process_relocs): New function.
3401         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3402         sections that are garbage collected.
3403         * reloc.h (Gc_process_relocs): New class.
3404         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3405         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3406         symbols whose corresponding sections are garbage collected.
3407         (Symbol_table::Symbol_table): Add new parameter for the garbage
3408         collection object.
3409         (Symbol_table::gc_mark_undef_symbols): New function.
3410         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3411         (Symbol_table::gc_mark_dyn_syms): New function.
3412         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3413         as garbage.
3414         (Symbol_table::add_from_object): Likewise.
3415         (Symbol_table::add_from_relobj): When building shared objects, do not
3416         treat externally visible symbols as garbage.
3417         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3418         table information for static and relocatable links.
3419         * symtab.h (Symbol_table::set_gc): New function.
3420         (Symbol_table::gc): New function.
3421         (Symbol_table::gc_mark_undef_symbols): New function.
3422         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3423         (Symbol_table::gc_mark_dyn_syms): New function.
3424         (Symbol_table::gc_): New data member.
3425         * target.h (Sized_target::gc_process_relocs): New pure virtual
3426         function.
3427         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3428         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3429
3430 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3431
3432         * options.h (General_options::gc_sections): Define as a no-op for now.
3433         (General_options::no_keep_memory): Ditto.
3434         (General_options::Bshareable): Define.
3435         * options.cc (General_options::finalize): Honor -Bshareable.
3436
3437 2009-01-20  Andreas Schwab  <schwab@suse.de>
3438
3439         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3440         read the value in the contents, since we don't use it.  Use the
3441         template endianness when writing.
3442         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3443
3444 2009-01-19  Andreas Schwab  <schwab@suse.de>
3445
3446         * configure.tgt (powerpc64-*): Fix targ_obj.
3447
3448 2009-01-15  Ian Lance Taylor  <iant@google.com>
3449
3450         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3451         local symbols when stripping all symbols.
3452
3453 2009-01-14  Cary Coutant  <ccoutant@google.com>
3454
3455         * output.cc (Output_reloc): Add explicit instantiations.
3456
3457 2009-01-14  Cary Coutant  <ccoutant@google.com>
3458
3459         * archive.cc (Archive::get_elf_object_for_member): Remove call
3460         to File_read::claim_for_plugin.
3461         * descriptors.cc (Descriptors::open): Remove reference to
3462         is_claimed.
3463         (Descriptors::claim_for_plugin): Remove.
3464         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3465         (Descriptors::is_claimed): Remove.
3466         (claim_descriptor_for_plugin): Remove.
3467         * fileread.cc (File_read::claim_for_plugin): Remove.
3468         * fileread.h (File_read::claim_for_plugin): Remove.
3469         (File_read::descriptor): Reopen descriptor if necessary.
3470         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3471         (Plugin_manager::all_symbols_read): Add task parameter. Change
3472         all callers.
3473         (Plugin_manager::get_input_file): New function.
3474         (Plugin_manager::release_input_file): New function.
3475         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3476         corresponding data member.
3477         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3478         and pass to base constructor. Change all callers.
3479         (get_input_file, release_input_file): New functions.
3480         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3481         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3482         (Plugin_manager::all_symbols_read): Add task parameter.
3483         (Plugin_manager::get_input_file): New function.
3484         (Plugin_manager::release_input_file): New function.
3485         (Plugin_manager::task_): New data member.
3486         (Pluginobj::Pluginobj): Add filesize parameter.
3487         (Pluginobj::filename): New function.
3488         (Pluginobj::descriptor): New function.
3489         (Pluginobj::filesize): New function.
3490         (Pluginobj::filesize_): New data member.
3491         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3492         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3493         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3494
3495         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3496         with archive libraries.
3497         * testsuite/Makefile.in: Regenerate.
3498         * testsuite/plugin_test.c (struct sym_info): New type.
3499         (get_input_file, release_input_file): New static variables.
3500         (onload): Capture new transfer vector entries.
3501         (claim_file_hook): Stop reading at end of file according to filesize.
3502         Factor out parsing of readelf output into separate function.
3503         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3504         APIs and get the source file name from the symbol table.  Convert
3505         source file name to corresponding object file name.  Print info
3506         message when adding new input files.
3507         (parse_readelf_line): New function.
3508         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3509         * testsuite/plugin_test_2.sh: Likewise.
3510         * testsuite/plugin_test_3.sh: Likewise.
3511         * testsuite/plugin_test_4.sh: New test case.
3512
3513 2009-01-07  Ian Lance Taylor  <iant@google.com>
3514
3515         * version.cc (version_string): Bump to 1.8.
3516
3517 2008-12-23  Cary Coutant  <ccoutant@google.com>
3518
3519         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3520         * plugin.cc (Plugin_manager::finish): Rename as
3521         layout_deferred_objects.  Move cleanup to separate function.
3522         (Plugin_manager::cleanup): New function.
3523         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3524         separately.
3525         * plugin.h (Plugin_manager::finish): Rename as
3526         layout_deferred_objects.
3527         (Plugin_manager::cleanup): New function.
3528         (Plugin_manager::cleanup_done): New field.
3529
3530 2008-12-23  Cary Coutant  <ccoutant@google.com>
3531
3532         * plugin.cc (is_visible_from_outside): New function.
3533         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3534         so we don't return "IR only" status for exported symbols or -r links.
3535
3536         * testsuite/Makefile.am (plugin_test_3): New test case.
3537         * testsuite/Makefile.in: Regenerate.
3538         * testsuite/plugin_test_3.sh: New file.
3539
3540 2008-12-22  Cary Coutant  <ccoutant@google.com>
3541
3542         * object.cc (Sized_relobj::layout_section): New function.
3543         (Sized_relobj::do_layout): Defer layout of input sections until after
3544         plugin has provided replacement files.
3545         (Sized_relobj::do_layout_deferred_sections): New function.
3546         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3547         (Relobj::layout_deferred_sections): New function.
3548         (Relobj::do_layout_deferred_sections): New function.
3549         (Sized_relobj::do_layout_deferred_sections): New function.
3550         (Sized_relobj::layout_section): New function.
3551         (Sized_relobj::Deferred_layout): New structure.
3552         (Sized_relobj::deferred_layout_): New field.
3553         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3554         Change all callers.  Layout deferred sections.
3555         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3556         references.
3557         (Plugin_hook::run): Move code from do_plugin_hook inline.
3558         (Plugin_hook::do_plugin_hook): Remove.
3559         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3560         (Plugin_manager::finish): Renamed, was cleanup.
3561         (Plugin_manager::should_defer_layout): New function.
3562         (Plugin_manager::add_deferred_layout_object): New function.
3563         (Plugin_manager::Deferred_layout_list): New type.
3564         (Plugin_manager::deferred_layout_objects_): New field.
3565         (Plugin_hook::do_plugin_hook): Remove.
3566
3567 2008-12-17  Ian Lance Taylor  <iant@google.com>
3568
3569         * options.h (class General_options): Add --no case for
3570         --export-dynamic.
3571
3572 2008-12-16  Cary Coutant  <ccoutant@google.com>
3573
3574         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3575         vector.
3576         (Plugin_manager::claim_file): Create plugin object even if
3577         plugin did not call the add_symbols callback.
3578         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3579         asking for more symbols than were added.
3580         * testsuite/Makefile.am (plugin_test_1): Add test case with
3581         no global symbols.
3582         (empty.syms): New target.
3583         * testsuite/Makefile.in: Regenerate.
3584         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3585         message. Don't call add_symbols if no globals.
3586         (all_symbols_read_hook): Don't provide replacement for empty
3587         claimed file.
3588
3589 2008-12-12  Ian Lance Taylor  <iant@google.com>
3590
3591         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3592         r_type == 0 for a local symbol with r_sym == 0.
3593         (scan_relocatable_relocs): Pass r_sym to
3594         local_non_section_strategy.
3595         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3596         r_sym parameter.
3597
3598         * configure.ac: Update test for TLS descriptors: they are
3599         supported as of glibc 2.9.
3600         * configure: Rebuild.
3601
3602 2008-12-11  Ian Lance Taylor  <iant@google.com>
3603
3604         PR 7091
3605         * target-reloc.h (Default_scan_relocatable_relocs): For each
3606         function, map r_type == 0 to RELOC_DISCARD.
3607
3608 2008-12-10  Cary Coutant  <ccoutant@google.com>
3609
3610         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3611         object to override a kept COMDAT group from a plugin object.
3612
3613 2008-12-09  Ian Lance Taylor  <iant@google.com>
3614
3615         PR 7088
3616         * yyscript.y (file_cmd): Handle INPUT.
3617
3618         * testsuite/initpri1.c: Change all declarations to be full
3619         prototypes by adding void, to avoid compiler warnings.
3620
3621 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3622
3623         * options.cc (General_options::parse_plugin_opt): New.
3624         (General_options::add_plugin): The argument now is just the filename.
3625         (General_options::add_plugin_option): New.
3626         * options.h (plugin_opt): New.
3627         (add_plugin): Change argument name.
3628         (add_plugin_option): New.
3629         * plugin.cc (Plugin::load): Don't parse the plugin option.
3630         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3631         (Plugin::add_option): New.
3632         (Plugin::args_): Change type.
3633         (Plugin::filename_): New.
3634         (Plugin_manager::add_plugin_option): New.
3635         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3636         * testsuite/Makefile.in: Regenerate.
3637
3638 2008-12-05  Cary Coutant  <ccoutant@google.com>
3639
3640         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3641         Handle --strip-lto-sections option.
3642         * options.h (strip_lto_sections): New option.
3643
3644 2008-12-01  Cary Coutant  <ccoutant@google.com>
3645
3646         * plugin.cc (ld_plugin_message): Change format parameter to const.
3647         Fix mismatch between new[] and delete.
3648
3649 2008-11-14  Cary Coutant  <ccoutant@google.com>
3650
3651         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3652         instead of -1U.
3653
3654 2008-11-05  Craig Silverstein  <csilvers@google.com>
3655
3656         * options.cc (General_options::parse_dynamic_list): New function.
3657         * options.h (General_options): New flags dynamic_list,
3658         dynamic_list_data, dynamic_list_cpp_new, and
3659         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3660         (General_options::in_dynamic_list): New function.
3661         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3662         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3663         (Lex::can_continue_name): Likewise.
3664         (yylex): Likewise.
3665         (read_script_file): New parameter script_options.
3666         (read_dynamic_list): New function.
3667         (Script_options::define_dynamic_list): New function.
3668         (dynamic_list_keyword_parsecodes): New variable.
3669         (dynamic_list_keywords): New variable.
3670         * script.h (Script_options::define_dynamic_list): New function
3671         prototype.
3672         (read_dynamic_list): New function prototype.
3673         * symtab.cc (strprefix): New macro.
3674         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3675         dynamic_list_data, dynamic_list_cpp_new, and
3676         dynamic_list_cpp_typeinfo.
3677         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3678         (dynamic_list_expr): New rule.
3679         (dynamic_list_nodes): Likewise.
3680         (dynamic_list_node): Likewise.
3681         * testsuite/Makefile.am (dynamic_list): New test.
3682         * testsuite/Makefile.in: Regenerated.
3683         * testsuite/dynamic_list.t: New file.
3684         * testsuite/dynamic_list.sh: New file.
3685
3686 2008-11-05  Craig Silverstein  <csilvers@google.com>
3687
3688         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3689         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3690         (t11_last): Likewise.
3691         * testsuite/ver_test_6.c (main): Likewise.
3692
3693 2008-10-07  Cary Coutant  <ccoutant@google.com>
3694
3695         * options.c (General_options::finalize): Add check for -static and
3696         -shared.
3697         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3698         is not empty.
3699
3700 2008-10-02  Cary Coutant  <ccoutant@google.com>
3701
3702         * plugin.cc (make_sized_plugin_object): Fix conditional
3703         compilation to work when not all targets are enabled.
3704
3705 2008-09-29  Cary Coutant  <ccoutant@google.com>
3706
3707         * archive.cc (Archive::get_file_and_offset): Use filename instead
3708         of name to get library path.
3709         (Archive::include_member): Unlock external member of a thin archive.
3710
3711         * testsuite/Makefile.am (TEST_AR): New variable.
3712         (thin_archive_test_1): New test.
3713         (thin_archive_test_2): New test.
3714         * testsuite/Makefile.in: Regenerate.
3715         * testsuite/thin_archive_main.cc: New file.
3716         * testsuite/thin_archive_test_1.cc: New file.
3717         * testsuite/thin_archive_test_2.cc: New file.
3718         * testsuite/thin_archive_test_3.cc: New file.
3719         * testsuite/thin_archive_test_4.cc: New file.
3720
3721 2008-09-29  Cary Coutant  <ccoutant@google.com>
3722
3723         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3724         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3725         instead of -1U.
3726         (Sized_relobj::do_finalize_local_symbols): Likewise.
3727         (Sized_relobj::map_to_kept_section): Likewise.
3728         * object.h (Sized_relobj::invalid_address): New constant.
3729         (Sized_relobj::do_output_section_offset): Check for invalid_address
3730         and return -1ULL.
3731         * output.cc (Output_reloc::local_section_offset): Use constant
3732         invalid_address instead of -1U.
3733         (Output_reloc::get_address): Likewise.
3734         (Output_section::output_address): Change -1U to -1ULL.
3735         * output.h (Output_reloc::invalid_address): New constant.
3736         * reloc.cc (Sized_relobj::write_sections): Use constant
3737         invalid_address instead of -1U.
3738         (Sized_relobj::relocate_sections): Likewise.
3739         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3740         values for merge sections.
3741         * target-reloc.h (relocate_for_relocatable): Use constant
3742         invalid_address instead of -1U.
3743
3744 2008-09-19  Cary Coutant  <ccoutant@google.com>
3745
3746         Add plugin functionality for link-time optimization (LTO).
3747         * configure.ac (plugins): Add --enable-plugins option.
3748         * configure: Regenerate.
3749         * config.in: Regenerate.
3750         * Makefile.am (LIBDL): New variable.
3751         (CCFILES): Add plugin.cc.
3752         (HFILES): Add plugin.h.
3753         (ldadd_var): Add LIBDL.
3754         * Makefile.in: Regenerate.
3755
3756         * archive.cc: Include "plugin.h".
3757         (Archive::setup): Don't preread archive symbols when using a plugin.
3758         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3759         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3760         files.
3761         (Archive::include_member): Add symbols from plugin objects.
3762         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3763         * descriptors.cc (Descriptors::open): Check for file descriptors
3764         abandoned by plugins.
3765         (Descriptors::claim_for_plugin): New function.
3766         * descriptors.h (Descriptors::claim_for_plugin): New function.
3767         (Open_descriptor::is_claimed): New field.
3768         (claim_descriptor_for_plugin): New function.
3769         * fileread.cc (File_read::claim_for_plugin): New function.
3770         * fileread.h (File_read::claim_for_plugin): New function.
3771         (File_read::descriptor): New function.
3772         * gold.cc: Include "plugin.h".
3773         (queue_initial_tasks): Add task to call plugin hooks for generating
3774         new object files.
3775         * main.cc: Include "plugin.h".
3776         (main): Load plugin libraries.
3777         * object.h (Pluginobj): Declare.
3778         (Object::pluginobj): New function.
3779         (Object::do_pluginobj): New function.
3780         (Object::set_target): New function.
3781         * options.cc: Include "plugin.h".
3782         (General_options::parse_plugin): New function.
3783         (General_options::General_options): Initialize plugins_ field.
3784         (General_options::add_plugin): New function.
3785         * options.h (Plugin_manager): Declare.
3786         (General_options): Add --plugin option.
3787         (General_options::has_plugins): New function.
3788         (General_options::plugins): New function.
3789         (General_options::add_plugin): New function.
3790         (General_options::plugins_): New field.
3791         * plugin.cc: New file.
3792         * plugin.h: New file.
3793         * readsyms.cc: Include "plugin.h".
3794         (Read_symbols::do_read_symbols): Check for archive before checking
3795         for ELF file.  Call plugin hooks to claim files.
3796         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3797         from a real object file; force override when processing replacement
3798         files.
3799         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3800         (Symbol::init_base_object): Likewise.
3801         (Symbol::init_base_output_data): Likewise.
3802         (Symbol::init_base_output_segment): Likewise.
3803         (Symbol::init_base_constant): Likewise.
3804         (Symbol::init_base_undefined): Likewise.
3805         (Symbol::output_section): Assert that object is not a plugin.
3806         (Symbol_table::add_from_pluginobj): New function.
3807         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3808         undefined.
3809         (Symbol_table::sized_write_globals): Likewise.
3810         (Symbol_table::add_from_pluginobj): Instantiate template.
3811         * symtab.h (Sized_pluginobj): Declare.
3812         (Symbol::in_real_elf): New function.
3813         (Symbol::set_in_real_elf): New function.
3814         (Symbol::in_real_elf_): New field.
3815         (Symbol_table::add_from_pluginobj): New function.
3816
3817         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3818         (LIBDL): New variable.
3819         (LDADD): Add LIBDL.
3820         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3821         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3822         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3823         (MOSTLYCLEANFILES): Likewise.
3824         * testsuite/Makefile.in: Regenerate.
3825         * testsuite/plugin_test.c: New file.
3826         * testsuite/plugin_test_1.sh: New file.
3827         * testsuite/plugin_test_2.sh: New file.
3828
3829 2008-09-16  Ian Lance Taylor  <iant@google.com>
3830
3831         * target-reloc.h (relocate_section): Check whether a symbol is
3832         defined by the ABI before reporting an undefined symbol error.
3833         * target.h (Target::is_defined_by_abi): Make parameter const.
3834         (Target::do_is_defined_by_abi): Likewise.
3835         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3836         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3837         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3838         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3839         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3840         * testsuite/Makefile.in: Rebuild.
3841
3842         * fileread.cc (make_view): Add casts to avoid warning.
3843
3844 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3845
3846         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3847         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3848
3849 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3850
3851         * options.h (General_options::output_is_executable): New.
3852         (General_options::output_is_pie): New.
3853         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3854         for shared libraries.
3855         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3856
3857 2008-09-11  Chris Demetriou  <cgd@google.com>
3858
3859         * options.h (origin): New -z option.
3860         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3861         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3862         in DT_FLAGS_1.
3863
3864 2008-09-05  Cary Coutant  <ccoutant@google.com>
3865
3866         * fileread.cc (File_read::make_view): Add check for attempt to map
3867         beyond end of file.
3868
3869 2008-09-05  Cary Coutant  <ccoutant@google.com>
3870
3871         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3872         explicit instantiations.
3873
3874 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3875
3876         PR gold/6858
3877         * options.cc (General_options::finalize): Allow undefined symbols
3878         in shlibs if linking -shared.
3879
3880         PR gold/6859
3881         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3882         symbols as not needing a dynsym entry.
3883
3884 2008-08-20  Craig Silverstein  <csilvers@google.com>
3885
3886         * fileread.cc (File_read::open): Do not lock the file unless it
3887         was successfully opened.
3888
3889 2008-08-14  Cary Coutant  <ccoutant@google.com>
3890
3891         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3892         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3893         * testsuite/tls_test.cc (struct int128): 128-bit struct
3894         for testing TLS relocs with non-zero addend.
3895         (v12): New TLS variable.
3896         (t12): New test.
3897         (t_last): Add check for v12.
3898         * testsuite/tls_test.h (t12): New function.
3899         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3900
3901 2008-08-13  Ian Lance Taylor  <iant@google.com>
3902
3903         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3904         set tls_segment_ or relro_segment_.
3905         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3906         when appropriate.
3907         * output.h (Output_section::clear_is_relro): New function.
3908         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3909         sections specially even when output_data_ is empty.
3910         (Output_segment::maximum_alignment): When first section is relro,
3911         only force alignment for PT_LOAD segments.
3912         * script.cc (script_data_segment_align): New function.
3913         (script_data_segment_relro_end): New function.
3914         * script-c.h (script_data_segment_align): Declare.
3915         (script_data_segment_relro_end): Declare.
3916         * script-sections.h (class Script_sections): Declare
3917         data_segment_align and data_segment_relro_end.  Add fields
3918         segment_align_index_ and saw_relro_end_.
3919         * script-sections.cc (class Sections_element): Add set_is_relro
3920         virtual function.  Add new bool* parameter to place_orphan_here.
3921         Add get_output_section virtual function.
3922         (class Output_section_definition): Add set_is_relro.  Add new
3923         bool* parameter to place_orphan_here.  Add get_output_section.
3924         Add is_relro_ field.
3925         (Output_section_definition::Output_section_definition): Initialize
3926         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3927         and is_relro_ fields.
3928         (Output_section_definition::place_orphan_here): Add is_relro
3929         parameter.
3930         (Output_section_definition::set_section_addresses): Set relro for
3931         output section.
3932         (Output_section_definition::alternate_constraint): Likewise.
3933         (class Orphan_output_section): Add new bool* parameter to
3934         place_orphan_here.  Add get_output_section.
3935         (Orphan_output_section::place_orphan_here): Add is_relro
3936         parameter.
3937         (Script_sections::Script_sections): Initialize
3938         data_segment_align_index_ and saw_relro_end_.
3939         (Script_sections::data_segment_align): New function.
3940         (Script_sections::data_segment_relro_end): New function.
3941         (Script_sections::place_orphan): Set or clear is_relro.
3942         (Script_sections::set_section_addresses): Force alignment of first
3943         TLS section.
3944         * yyscript.y (exp): Call script_data_segment_align and
3945         script_data_segment_relro_end.
3946         * testsuite/relro_script_test.t: New file.
3947         * testsuite/relro_test.cc (using_script): Declare.
3948         (t1, t2): Test using_script.
3949         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3950         (relro_script_test_SOURCES): Define.
3951         (relro_script_test_DEPENDENCIES): Define.
3952         (relro_script_test_LDFLAGS): Define.
3953         (relro_script_test_LDADD): Define.
3954         (relro_script_test.so): New target.
3955         * testsuite/Makefile.in: Rebuild.
3956
3957 2008-08-06  Cary Coutant <ccoutant@google.com>
3958
3959         * archive.cc (Archive::total_archives, Archive::total_members)
3960         (Archive::total_members_loaded): New variables.
3961         (Archive::setup): Add parameter.  Add option to preread
3962         archive symbols.
3963         (Archive::read_armap): Add counter.
3964         (Archive::get_file_and_offset): New function.
3965         (Archive::get_elf_object_for_member): New function.
3966         (Archive::read_all_symbols): New function.
3967         (Archive::read_symbols): New function.
3968         (Archive::add_symbols): Add counters.
3969         (Archive::include_all_members): Use armap to find members if it's
3970         already built.
3971         (Archive::include_member): Skip reading symbols if already read.
3972         Factored code into Archive::get_file_and_offset and
3973         Archive::get_elf_object_for_member.  Changed call to
3974         Mapfile::report_include_archive_member.
3975         (Archive::print_stats): New function.
3976         * archive.h: Declare Object and Read_symbols_data classes.
3977         (Archive::Archive): Add initializers for new members.
3978         (Archive::setup): Add parameter.
3979         (Archive::print_stats): New function.
3980         (Archive::total_archives, Archive::total_members)
3981         (Archive::total_members_loaded): New variables.
3982         (Archive::get_file_and_offset): New function.
3983         (Archive::get_elf_object_for_member): New function.
3984         (Archive::read_all_symbols): New function.
3985         (Archive::read_symbols): New function.
3986         (Archive::Archive_member): New class.
3987         (Archive::members_): New member.
3988         (Archive::num_members_): New member.
3989         * main.cc: Include archive.h.
3990         (main): Call Archive::print_stats.
3991         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3992         archive parameter; member_name is now the fully-decorated name.
3993         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3994         * options.h: (General_options): Add --preread-archive-symbols option.
3995         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3996         Archive::setup.
3997
3998 2008-08-04  Ian Lance Taylor  <iant@google.com>
3999
4000         * symtab.h (Symbol::use_plt_offset): New function.
4001         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4002         * powerpc.cc (Relocate::relocate): Likewise.
4003         * sparc.cc (Relocate::relocate): Likewise.
4004         * x86_64.cc (Relocate::relocate): Likewise.
4005         * testsuite/weak_plt.sh: New test.
4006         * testsuite/weak_plt_main.cc: New test.
4007         * testsuite/weak_plt_shared.cc: New test.
4008         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4009         (check_PROGRAMS): Add weak_plt.
4010         (check_DATA): Add weak_plt_shared.so.
4011         (weak_plt_main_pic.o, weak_plt): New targets.
4012         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4013         * testsuite/Makefile.in: Rebuild.
4014
4015         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4016         gcctestdir/ld.
4017         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4018         * testsuite/Makefile.in: Rebuild.
4019
4020 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4021
4022         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4023         * Makefile.in: Regenerate.
4024         * po/POTFILES.in: Regenerate.
4025
4026 2008-07-29  Ian Lance Taylor  <iant@google.com>
4027
4028         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4029         symbols before other symbols.
4030         * testsuite/script_test_2.cc (test_addr): Declare.
4031         (test_addr_alias): Declare.
4032         (main): Check that test_addr and test_addr_alias have the right
4033         values.
4034         * testsuite/script_test_2.t: Define test_addr_alias and
4035         test_addr.
4036
4037 2008-07-24  Ian Lance Taylor  <iant@google.com>
4038
4039         PR 5990
4040         * descriptors.cc: New file.
4041         * descriptors.h: New file.
4042         * gold-threads.h (class Hold_optional_lock): New class.
4043         * fileread.cc: Include "descriptors.h".
4044         (File_read::~File_read): Release descriptor rather than closing
4045         it.
4046         (File_read::open) [file]: Call open_descriptor rather than open.
4047         Set is_descriptor_opened_.
4048         (File_read::open) [memory]: Assert that descriptor is not open.
4049         (File_read::reopen_descriptor): New function.
4050         (File_read::release): Release descriptor.
4051         (File_read::do_read): Make non-const.  Reopen descriptor.
4052         (File_read::read): Make non-const.
4053         (File_read::make_view): Reopen descriptor.
4054         (File_read::do_readv): Likewise.
4055         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4056         Update declarations.
4057         * layout.cc: Include "descriptors.h".
4058         (Layout::create_build_id): Use open_descriptor rather than open.
4059         * output.cc: Include "descriptors.h".
4060         (Output_file::open): Use open_descriptor rather than open.
4061         * archive.cc (Archive::const_iterator): Change Archive to be
4062         non-const.
4063         (Archive::begin, Archive::end): Make non-const.
4064         (Archive::count_members): Likewise.
4065         * archive.h (class Archive): Update declarations.
4066         * object.h (Object::read): Make non-const.
4067         * Makefile.am (CCFILES): Add descriptors.cc.
4068         (HFILES): Add descriptors.h.
4069         * Makefile.in: Rebuild.
4070
4071         PR 6716
4072         * gold.h: Always include <clocale>.  Add Solaris workarounds
4073         following code in binutils/sysdep.h.
4074
4075         PR 6048
4076         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4077         this->eh_frame_hdr_ is NULL before using it.
4078
4079         * dynobj.cc (Versions::Versions): Update comment.
4080
4081         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4082         the base version name.
4083
4084         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4085         array size plus one.
4086         (Stringpool_template::set_string_offsets): Subtract one from key
4087         before using it as an array index.
4088         (Stringpool_template::get_offset_with_length): Likewise.
4089         (Stringpool_template::write_to_buffer): Likewise.
4090         * stringpool.h (Stringpool_template::get_offset_from_key):
4091         Likewise.
4092
4093 2008-07-23  Ian Lance Taylor  <iant@google.com>
4094
4095         PR 6658
4096         * object.h (Merged_symbol_value::value): Do our best to handle a
4097         negative addend.
4098
4099         PR 6647
4100         * script.cc (Version_script_info::get_versions): Don't add empty
4101         version tag to return value.
4102         (Version_script_info::get_symbol_version_helper): Change return
4103         type to bool.  Add pversion parameter.  Change all callers.
4104         (script_register_vers_node): Don't require a non-NULL tag.
4105         * script.h (class Version_script_info): Update declarations.
4106         (Version_script_info::get_symbol_version): Change return type to
4107         bool.  Add version parameter.  Change all callers.
4108         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4109         handling.  Handle an empty version from a version script.
4110         (Symbol_table::define_special_symbol): Likewise.
4111         * testsuite/ver_test_10.script: New file.
4112         * testsuite/ver_test_10.sh: New file.
4113         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4114         (check_DATA): Add ver_test_10.syms.
4115         (ver_test_10.syms, ver_test_10.so): New target.
4116         * testsuite/Makefile.in: Rebuild.
4117
4118 2008-07-23  Simon Baldwin  <simonb@google.com>
4119
4120         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4121         to zero for undefined symbols from dynamic libraries.
4122
4123 2008-07-23  Ian Lance Taylor  <iant@google.com>
4124
4125         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4126         Change all callers.
4127         * symtab.h (class Symbol_table): Update declaration.
4128         * testsuite/ver_test_9.cc: New file.
4129         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4130         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4131         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4132         (ver_test_9.so, ver_test_9.o): New targets.
4133         * testsuite/Makefile.in: Rebuild.
4134
4135 2008-07-22  Ian Lance Taylor  <iant@google.com>
4136
4137         * options.h (class General_options): Define --check-sections.
4138         * layout.cc (Layout::set_segment_offsets): Handle
4139         --check-sections.
4140
4141         * options.h (class General_options): Define -n/--nmagic and
4142         -N/--omagic.
4143         * options.cc (General_options::finalize): For -n/--nmagic or
4144         -N/--omagic, set -static.
4145         * layout.cc (Layout::attach_allocated_section_to_segment): If
4146         -N/--omagic, don't put read-only and read-write sections in
4147         different segments.
4148         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4149         finding a read-only segment.
4150         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4151         don't set the minimum segment alignment to the common page size,
4152         and don't set the file offset to the address modulo the page size.
4153         * script-sections.cc (Script_sections::create_segments): If
4154         -n/--omagic, don't put read-only and read-write sections in
4155         different segments.
4156
4157         * cref.cc: New file.
4158         * cref.h: New file.
4159         * options.h (class General_options): Add --print-symbol-counts.
4160         * main.cc (main): Issue defined symbol report if requested.
4161         * archive.cc (Archive::interpret_header): Make into a const member
4162         function.
4163         (Archive::add_symbols): Call Input_objects::archive_start and
4164         archive_stop.
4165         (Archive::const_iterator): Define new class.
4166         (Archive::begin, Archive::end): New functions.
4167         (Archive::include_all_members): Rewrite to use iterator.
4168         (Archive::count_members): New function.
4169         * archive.h (class Archive): Update declarations.
4170         (Archive::filename): New function.
4171         * object.cc: Include "cref.h".
4172         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4173         (Sized_relobj::do_get_global_symbol_counts): New function.
4174         (Input_objects::add_object): Add object to cross-referencer.
4175         (Input_objects::archive_start): New function.
4176         (Input_objects::archive_stop): New function.
4177         (Input_objects::print_symbol_counts): New function.
4178         * object.h: Declare Cref and Archive.
4179         (Object::get_global_symbol_counts): New function.
4180         (Object::do_get_global_symbol_counts): New pure virtual function.
4181         (class Sized_relobj): Add defined_count_ field.  Update
4182         declarations.
4183         (class Input_objects): Add cref_ field.  Update constructor.
4184         Update declarations.
4185         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4186         defined_count_.
4187         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4188         symbol counts.
4189         (Sized_dynobj::do_get_global_symbol_counts): New function.
4190         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4191         defined_count_.  Update declarations.  Define Symbols typedef.
4192         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4193         parameter.  Change all callers.
4194         (Symbol_table::add_from_dynobj): Add sympointers and defined
4195         parameters.  Change all callers.
4196         * symtab.h (class Symbol_table): Update declarations.
4197         * Makefile.am (CCFILES): Add cref.cc.
4198         (HFILES): Add cref.h.
4199         * Makefile.in: Rebuild.
4200
4201 2008-07-22  Simon Baldwin  <simonb@google.com>
4202
4203         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4204         to zero when writing undefined symbols.
4205
4206 2008-07-22  Ian Lance Taylor  <iant@google.com>
4207
4208         * output.cc (Output_section::add_input_section): Don't try to
4209         merge empty merge sections.
4210
4211 2008-07-21  Craig Silverstein  <csilvers@google.com>
4212
4213         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4214         Include symbol version in error message.
4215
4216 2008-07-20  Chris Demetriou  <cgd@google.com>
4217
4218         * configure.ac (gold_cv_c_random_seed): New configured variable.
4219         (RANDOM_SEED_CFLAGS): New substituted variable.
4220         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4221         * configure: Rebuild.
4222         * Makefile.in: Likewise.
4223         * testsuite/Makefile.in: Likewise.
4224
4225 2008-07-18  Ian Lance Taylor  <iant@google.com>
4226
4227         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4228         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4229         * testsuite/ver_test_main.cc (main): Call t4.
4230         (t4, t4_2a): Define.
4231         * testsuite/ver_test_2.cc (t4_2): Define.
4232         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4233         * testsuite/ver_test_4.cc (t4_2a): Define.
4234         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4235         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4236
4237 2008-07-17  Ian Lance Taylor  <iant@google.com>
4238
4239         * dynobj.cc (Versions::add_def): If we give an error about a
4240         missing version, go ahead and create the version anyhow.
4241
4242 2008-07-10  Ian Lance Taylor  <iant@google.com>
4243
4244         Handle output sections with more than 0x7fffffff bytes.
4245         * object.h (class Relobj): Change map_to_output_ to
4246         output_sections_, and just keep a section pointer.  Change all
4247         uses.  Move comdat group support to Sized_relobj.
4248         (Relobj::is_section_specially_mapped): Remove.
4249         (Relobj::output_section): Remove poff parameter.  Change all
4250         callers.
4251         (Relobj::output_section_offset): New function.
4252         (Relobj::set_section_offset): Rewrite.
4253         (Relobj::map_to_output): Remove.
4254         (Relobj::output_sections): New function.
4255         (Relobj::do_output_section_offset): New pure virtual function.
4256         (Relobj::do_set_section_offset): Likewise.
4257         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4258         group support from Relobj.  Update declarations.
4259         (Sized_relobj::get_output_section_offset): New function.
4260         (Sized_relobj::do_output_section_offset): New function.
4261         (Sized_relobj::do_set_section_offset): New function.
4262         * object.cc (Relobj::output_section_address): Remove.
4263         (Sized_relobj::Sized_relobj): Initialize new fields.
4264         (Sized_relobj::include_section_group): Cast find_kept_object to
4265         Sized_relobj.
4266         (Sized_relobj::include_linkonce_section): Likewise.
4267         (Sized_relobj::do_layout): Use separate arrays for output section
4268         and output offset.
4269         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4270         output_sections.
4271         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4272         output_sections and section_offsets.
4273         (Sized_relobj::write_local_symbols): Likewise.
4274         (map_to_kept_section): Compute output address directly.
4275         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4276         output_sections and section_offsets.
4277         (Sized_relobj::write_sections): Likewise.
4278         (Sized_relobj::relocate_sections): Likewise.
4279         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4280         * output.h (class Output_reloc): Update declarations.  Change
4281         u2_.relobj to Sized_relobj*.
4282         (class Output_data_reloc): Change add functions to use
4283         Sized_relobj*.
4284         * output.cc (Output_reloc::Output_reloc): Change relobj to
4285         Sized_relobj*.
4286         (Output_reloc::local_section_offset): Change return type to
4287         Elf_Addr.  Use get_output_section_offset.
4288         (Output_reloc::get_address): Likewise.
4289         (Output_section::is_input_address_mapped): Don't call
4290         is_section_specially_mapped.
4291         (Output_section::output_offset): Likewise.
4292         (Output_section::output_address): Likewise.
4293         (Output_section::starting_output_address): Likewise.
4294         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4295         parameter to Sized_relobj*.
4296         (Copy_relocs::need_copy_reloc): Likewise.
4297         (Copy_relocs::save): Likewise.
4298         * copy-relocs.h (class Copy_relocs): Update declarations.
4299         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4300         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4301         * target-reloc.h (relocate_for_relocatable): Change
4302         offset_in_output_section type to Elf_Addr.  Change code that uses
4303         it as well.
4304         * layout.cc (Layout::layout): Always set *off.
4305         * mapfile.cc (Mapfile::print_input_section): Use
4306         output_section_offset.
4307         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4308         Sized_relobj*.
4309         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4310         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4311         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4312
4313 2008-07-03  Ian Lance Taylor  <iant@google.com>
4314
4315         * layout.cc (Layout::include_section): Do not discard unrecognized
4316         SHT_STRTAB sections.
4317
4318 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4319
4320         * script.cc (Lex::can_continue_name): Make '?' allowable in
4321         version-script names.
4322         * testsuite/version_script.map: Change glob pattern to use '?'
4323
4324 2008-06-30  Manish Singh  <yosh@gimp.org>
4325
4326         PR 6585
4327         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4328         Correct typo.
4329
4330 2008-06-30  Ian Lance Taylor  <iant@google.com>
4331
4332         PR 6660
4333         PR 6682
4334         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4335         versions]: Don't try to read the value in the contents, since we
4336         don't use it.  Use the template endianness when writing.
4337
4338 2008-06-25  Cary Coutant  <ccoutant@google.com>
4339
4340         * fileread.cc (File_read::make_view): Assert on zero-length view.
4341         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4342         symbol table when there are no symbols to read.
4343
4344 2008-06-23  Craig Silverstein  <csilvers@google.com>
4345
4346         * version.cc (version_string): Bump to 1.7
4347
4348 2008-06-18  Craig Silverstein  <csilvers@google.com>
4349
4350         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4351         constant 0xFFFF to type Valtype.
4352         (Powerpc_relocate_functions::rel16_ha): Likewise.
4353
4354 2008-06-17  Ian Lance Taylor  <iant@google.com>
4355
4356         * output.h (Output_section::Input_section): Initialize p2align_ to
4357         zero for Output_section_data constructors.
4358         (Output_section::Input_section::addralign): If not an input
4359         section, return the alignment of the Output_section_data.
4360         * testsuite/copy_test.cc: New file.
4361         * testsuite/copy_test_1.cc: New file.
4362         * testsuite/copy_test_2.cc: New file.
4363         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4364         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4365         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4366         (copy_test_1_pic.o, copy_test_1.so): New targets.
4367         (copy_test_2_pic.o, copy_test_2.so): New targets.
4368         * testsuite/Makefile.in: Rebuild.
4369
4370         * script-sections.cc (Script_sections::place_orphan): Initialize
4371         local variable exact.
4372
4373 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4374
4375         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4376
4377 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4378             David S. Miller  <davem@davemloft.net>
4379
4380         * powerpc.cc: New file.
4381         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4382         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4383         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4384         * Makefile.in: Rebuild.
4385
4386 2008-06-09  Ian Lance Taylor  <iant@google.com>
4387
4388         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4389         <exception>.
4390         (throwing, orig_terminate): New static variables.
4391         (terminate_handler): New static function.
4392         (t2): Set terminate handler.
4393
4394 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4395
4396         PR 6584
4397         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4398         alignment.
4399
4400 2008-05-30  Cary Coutant  <ccoutant@google.com>
4401
4402         * archive.cc (Archive::include_all_members) Correct to step
4403         over symbol table and extended name table in thin archives.
4404
4405 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4406
4407         PR 6407
4408         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4409         calculation.
4410
4411 2008-05-28  Caleb Howe  <cshowe@google.com>
4412
4413         * reduced_debug_output.cc: New file.
4414         * reduced_debug_output.h: New file.
4415         * options.h (class General_options): Add --strip-debug-non-line.
4416         * options.cc (General_options::finalize): Add strip_debug_non_line
4417         to the strip heirarchy.
4418         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4419         fields.
4420         * layout.cc: Include "reduced_debug_output.h".
4421         (Layout::Layout): Initialize new fields.
4422         (line_only_debug_sections): New static array.
4423         (is_lines_only_debug_sections): New static inline function.
4424         (Layout::include_section): Handle --strip-debug-non-line.
4425         (Layout::make_output_section): If --strip-debug-non-line, build
4426         new output sections for .debug_abbrev and .debug_info.
4427         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4428         gold.  Warn about possible overflow.
4429         (read_signed_LEB_128): Likewise.
4430         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4431         (read_signed_LEB_128): Declare.
4432         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4433         (HFILES): Add reduced_debug_output.h.
4434         * Makefile.in: Rebuild.
4435
4436 2008-05-21  Ian Lance Taylor  <iant@google.com>
4437
4438         * mapfile.cc: New file.
4439         * mapfile.h: New file.
4440         * options.h (class General_options): Add -M/--print-map and -Map.
4441         * options.cc (General_options::finalize): Make -M equivalent to
4442         -Map -.
4443         * main.cc: Include <cstdio> and "mapfile.h".
4444         (main): Open mapfile if requested.
4445         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4446         constructor.  Change caller.
4447         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4448         (queue_middle_tasks): Likewise.
4449         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4450         declarations.
4451         * archive.cc: Include "mapfile.h".
4452         (Archive::add_symbols): Add mapfile parameter.  Change all
4453         callers.  Pass mapfile, symbol, and reason to include_member.
4454         (Archive::include_all_members): Add mapfile parameter.  Change all
4455         callers.
4456         (Archive::include_member): Add mapfile, sym, and why parameters.
4457         Change all callers.  Report inclusion to map file.
4458         * archive.h: Include "fileread.h".
4459         (class Archive): Update declarations.
4460         (Archive::file): New const method.
4461         (class Add_archive_symbols): Add mapfile_ field.  Update
4462         constructor.  Change all callers.
4463         * readsyms.h (class Read_symbols): Likewise.
4464         (class Finish_group): Likewise.
4465         (class Read_script): Likewise.
4466         * common.cc: Include "mapfile.h".
4467         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4468         all callers.
4469         (Symbol_table::do_allocate_commons): Likewise.
4470         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4471         symbol allocation to mapfile.
4472         * common.h (class Allocate_commons_task): Add mapfile_ field.
4473         Update constructor.  Change all callers.
4474         * symtab.h (class Symbol_table): Update declarations.
4475         * layout.cc: Include "mapfile.h".
4476         (Layout_task_runner::run): Print information to mapfile.
4477         (Layout::create_gold_note): Change Output_data_fixed_space to
4478         Output_data_zero_fill.
4479         (Layout::create_build_id): Likewise.
4480         (Layout::print_to_mapfile): New function.
4481         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4482         constructor.  Change caller.
4483         (class Layout): Declare print_to_mapfile.
4484         * output.cc (Output_section::Input_section::print_to_mapfile): New
4485         function.
4486         (Output_section::add_input_section): If producing a map, always
4487         add to input_sections_ list.
4488         (Output_section::do_print_to_mapfile): New function.
4489         (Output_segment::print_sections_to_mapfile): New function.
4490         (Output_segment::print_section_list_to_mapfile): New function.
4491         * output.h: Include "mapfile.h".
4492         (Output_data::print_to_mapfile): New function.
4493         (Output_data::do_print_to_mapfile): New virtual function.
4494         (Output_segment_headers::do_print_to_mapfile): New function.
4495         (Output_file_header::do_print_to_mapfile): New function.
4496         (Output_data_const::do_print_to_mapfile): New function.
4497         (class Output_data_const_buffer): Add map_name_ field.  Update
4498         constructor.  Change all callers.  Add do_print_to_mapfile
4499         function.
4500         (class Output_data_fixed_space): Likewise.
4501         (class Output_data_space): Likewise.
4502         (class Output_data_zero_fill): New class.
4503         (Output_data_strtab::do_print_to_mapfile): New function.
4504         (Output_data_reloc_base::do_print_to_mapfile): New function.
4505         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4506         (Output_data_group::do_print_to_mapfile): New function.
4507         (Output_data_got::do_print_to_mapfile): New function.
4508         (Output_data_dynamic::do_print_to_mapfile): New function.
4509         (Output_symtab_xindex::do_print_to_mapfile): New function.
4510         (class Output_section): Declare do_print_to_mapflie.  Declare
4511         print_to_mapfile in Input_section.
4512         (class Output_segment): Declare new functions.
4513         * object.h (Sized_relobj::symbol_count): New function.
4514         * script-sections.cc
4515         (Output_section_element_dot_assignment::set_section_addresses):
4516         Change Output_data_fixed_space to Output_data_zero_fill.
4517         (Output_data_expression::do_print_to_mapfile): New function.
4518         * script.cc (read_input_script): Add mapfile parameter.  Change
4519         all callers.
4520         * script.h (read_input_script): Update declaration.
4521         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4522         (Eh_frame::do_print_to_mapfile): New function.
4523         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4524         (Output_merge_string::do_print_to_mapfile): New function.
4525         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4526         function.
4527         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4528         function.
4529         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4530         function.
4531         * Makefile.am (CCFILES): Add mapfile.cc.
4532         (HFILES): Add mapfile.h.
4533         * Makefile.in: Rebuild.
4534
4535 2008-05-19  Ian Lance Taylor  <iant@google.com>
4536
4537         * options.h (class General_options): Add -z relro.
4538         * layout.cc (Layout::Layout): Initialize relro_segment_.
4539         (Layout::add_output_section_data): Return the output section.
4540         (Layout::make_output_section): Rcognize relro sections and mark
4541         them appropriately.
4542         (Layout::attach_allocated_section_to_segment): Put relro sections
4543         in a PT_GNU_RELRO segment.
4544         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4545         section as relro.
4546         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4547         PT_TLS segments.
4548         (Layout::linkonce_mapping): Map d.rel.ro.local to
4549         .data.rel.ro.local.
4550         (Layout::output_section_name): Us .data.rel.ro.local for any
4551         section which begins with that.
4552         * layout.h (class Layout): Update add_output_section_data
4553         declaration.  Add relro_segment_ field.
4554         * output.cc (Output_section::Output_section): Initialize is_relro_
4555         and is_relro_local_ fields.
4556         (Output_segment::add_output_section): Group relro sections.
4557         (Output_segment::is_first_section_relro): New function.
4558         (Output_segment::maximum_alignment): If there is a relro section,
4559         align the segment to the common page size.
4560         (Output_segment::set_section_addresses): Track whether we are
4561         looking at relro sections.  If the last section is a relro
4562         section, align to the common page size.
4563         (Output_segment::set_section_list_addresses): Add in_relro
4564         parameter.  Change all callers.  Align to the page size when
4565         moving from relro to non-relro section.
4566         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4567         segment.
4568         * output.h (class Output_section): Add is_relro_ and
4569         is_relro_local_ fields.
4570         (Output_section::is_relro): New function.
4571         (Output_section::set_is_relro): New function.
4572         (Output_section::is_relro_local): New function.
4573         (Output_section::set_is_relro_local): New function.
4574         (class Output_segment): Update declarations.
4575         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4576         * sparc.cc (Target_sparc::got_section): Likewise.
4577         * x86_64.cc (Target_x86_64::got_section): Likewise.
4578         * testsuite/relro_test_main.cc: New file.
4579         * testsuite/relro_test.cc: New file.
4580         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4581         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4582         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4583         (relro_test.so, relro_test_pic.o): New targets.
4584         * testsuite/Makefile.in: Rebuild.
4585
4586 2008-05-16  Ian Lance Taylor  <iant@google.com>
4587
4588         * output.cc (Output_segment::add_output_section): Remove front
4589         parameter.
4590         * output.h (class Output_segment): Remove
4591         add_initial_output_section and overloaded add_output_section.
4592         Update declaration of remaining add_output_section.
4593         * layout.cc (Layout::create_interp): Call add_output_section
4594         rather than add_initial_output_section.
4595         (Layout::finish_dynamic_section): Likewise.
4596
4597         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4598         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4599         know the dynamic type.
4600         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4601         field.  Initialize it in constructor.
4602         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4603         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4604         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4605         reloc.
4606
4607         * output.cc (Output_reloc::get_address): Change return type to
4608         Elf_Addr.
4609         * output.h (class Output_reloc): Update get_address declaration.
4610         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4611         for section addresses.
4612
4613 2008-05-09  Ian Lance Taylor  <iant@google.com>
4614
4615         PR 6493
4616         * gold.cc (gold_nomem): Use return value of write.
4617
4618 2008-05-08  Ian Lance Taylor  <iant@google.com>
4619
4620         * symtab.c (Symbol::init_base_output_data): Add version
4621         parameter.  Change all callers.
4622         (Symbol::init_base_output_segment): Likewise.
4623         (Symbol::init_base_constant): Likewise.
4624         (Symbol::init_base_undefined): Likewise.
4625         (Sized_symbol::init_output_data): Likewise.
4626         (Sized_symbol::init_output_segment): Likewise.
4627         (Sized_symbol::init_constant): Likewise.
4628         (Sized_symbol::init_undefined): Likewise.
4629         (Symbol_table::do_define_in_output_data): If the new symbol has a
4630         version, mark it as the default.
4631         (Symbol_table::do_define_in_output_segment): Likewise.
4632         (Symbol_table::do_define_as_constant): Likewise.
4633         * symtab.h (class Symbol): Update declarations.
4634         (class Sized_symbol): Likewise.
4635         * resolve.cc (Symbol::override_version): New function.
4636         (Symbol::override_base): Call override_version.
4637         (Symbol::override_base_with_special): Likewise.
4638         * testsuite/ver_script_8.script: New file.
4639         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4640         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4641         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4642         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4643
4644 2008-05-06  Ian Lance Taylor  <iant@google.com>
4645
4646         PR 6049
4647         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4648         functions.
4649         (class General_options): Remove existing --undefined, and add
4650         --no-undefined instead.  Add new --undefined as synonym for -u.
4651         * archive.cc (Archive::add_symbols): Check whether symbol was
4652         named with -u.
4653         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4654         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4655         all uses.  Add IS_UNDEFINED.  Update declarations to split
4656         different versions of init_base.  Declare init_base_undefined.
4657         (Symbol::is_defined): Handle IS_UNDEFINED.
4658         (Symbol::is_undefined): Likewise.
4659         (Symbol::is_weak_undefined): Call is_undefined.
4660         (Symbol::is_absolute): Handle IS_CONSTANT.
4661         (class Sized_symbol): Update declarations to split different
4662         versions of init.  Declare init_undefined.
4663         (class Symbol_table): Declare new functions.
4664         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4665         Change all callers.
4666         (Symbol::init_base_output_data): Likewise.
4667         (Symbol::init_base_output_segment): Likewise.
4668         (Symbol::init_base_constant): Likewise.
4669         (Symbol::init_base_undefined): New function.
4670         (Sized_symbol::init_object): Rename from init.  Change all
4671         callers.
4672         (Sized_symbol::init_output_data): Likewise.
4673         (Sized_symbol::init_output_segment): Likewise.
4674         (Sized_symbol::init_constant): Likewise.
4675         (Sized_symbol::init_undefined): New function.
4676         (Symbol_table::add_undefined_symbols_from_command_line): New
4677         function.
4678         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4679         function.
4680         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4681         (Symbol::output_section): Likewise.
4682         (Symbol::set_output_section): Likewise.
4683         (Symbol_table::sized_finalize_symbol): Likewise.
4684         (Symbol_table::sized_write_globals): Likewise.
4685         * resolve.cc (Symbol_table::should_override): Likewise.
4686         (Symbol::override_base_with_special): Likewise.
4687
4688         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4689         symbol, change it to have default visibility.
4690         * testsuite/protected_1.cc: New file.
4691         * testsuite/protected_2.cc: New file.
4692         * testsuite/protected_3.cc: New file.
4693         * testsuite/protected_main_1.cc: New file.
4694         * testsuite/protected_main_2.cc: New file.
4695         * testsuite/protected_main_3.cc: New file.
4696         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4697         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4698         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4699         (protected_1.so): New target.
4700         (protected_1_pic.o, protected_2_pic.o): New targets.
4701         (protected_3_pic.o): New target.
4702         (check_PROGRAMS): Add protected_2.
4703         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4704         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4705         * testsuite/Makefile.in: Rebuild.
4706
4707         * options.h (DEFINE_var): Add set_user_set_##varname__.
4708         (DEFINE_bool_alias): New macro.
4709         (class General_options): Define -Bstatic using DEFINE_bool_alias
4710         rather than DEFINE_special.  Add --undefined as an alias for -z
4711         defs.
4712         * options.cc (General_options::parse_Bstatic): Remove.
4713
4714         * options.h (class General_options): Add --fatal-warnings.
4715         * main.cc (main): Implement --fatal-warnings.
4716         * errors.h (Errors::warning_count): New function.
4717
4718         * options.h (class General_options): Add -Bsymbolic-functions.
4719         * symtab.h (Symbol::is_preemptible): Check for
4720         -Bsymbolic-functions.
4721
4722 2008-05-05  Ian Lance Taylor  <iant@google.com>
4723
4724         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4725         as noVARNAME rather than no-VARNAME.
4726         (class General_options): Add option -z combreloc.
4727         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4728         get_address.
4729         (Output_reloc::sort_before) [SHT_REL]: New function.
4730         (Output_reloc::sort_before) [SHT_RELA]: New function.
4731         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4732         Sort_relocs_comparison.
4733         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4734         parameter.  Change all callers.
4735         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4736         sort_relocs parameter.  Change all callers.
4737         * output.cc (Output_reloc::get_address): New function, broken out
4738         of write_rel.
4739         (Output_reloc::write_rel): Call it.
4740         (Output_reloc::compare): New function.
4741         (Output_data_reloc_base::do_write): Optionally sort relocs.
4742
4743         * configure.ac: If targ_extra_obj is set, link it in.
4744         * configure.tgt: Initialize all variables.
4745         (x86_64*): Set targ_extra_obj and targ_extra_size.
4746         * configure: Rebuild.
4747
4748         * object.cc (Sized_relobj::include_section_group): Adjust section
4749         indexes read from group data.  Build vector to pass to
4750         layout_group.
4751         * layout.cc (Layout::layout_group): Add flags and shndxes
4752         parameters.  Remove contents parameter.  Change caller.  Update
4753         explicit instantiations.
4754         * layout.h (class Layout): Update layout_group declaration.
4755         * output.cc (Output_data_group::Output_data_group): Add flags and
4756         input_shndxes parameters.  Remove contents parameter.  Change
4757         caller.
4758         (Output_data_group::do_write): Change input_sections_ to
4759         input_shndxes_.
4760         * output.h (class Output_data_group): Update constructor
4761         declaration.  Rename input_sections_ to input_shndxes_.
4762         * testsuite/many_sections_test.cc: Add template.
4763
4764 2008-04-30  Cary Coutant  <ccoutant@google.com>
4765
4766         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4767
4768         * layout.cc (Layout::include_section): Refactored check for debug
4769         info section.
4770         (Layout::add_comdat): Add new parameters.  Change type
4771         of signature parameter.  Add object and shndx to signatures table.
4772         (Layout::find_kept_object): New function.
4773         * layout.h: Include <cstring>.
4774         (Layout::is_debug_info_section): New function.
4775         (Layout::add_comdat): Add new parameters.
4776         (Layout::find_kept_object): New function.
4777         (Layout::Kept_section): New struct.
4778         (Layout::Signatures): Change type of map range.
4779         * object.cc (Relobj::output_section_address): New function.
4780         (Sized_relobj::include_section_group): Add new parameters.  Change
4781         calls to Layout::add_comdat.  Change to build table of kept comdat
4782         groups and table mapping discarded sections to kept sections.
4783         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4784         (Sized_relobj::do_layout): Change calls to include_section_group and
4785         include_linkonce_section.
4786         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4787         value to zero when section is discarded.
4788         (Sized_relobj::map_to_kept_section): New function.
4789         * object.h (Relobj::output_section_address): New function.
4790         (Relobj::Comdat_group): New type.
4791         (Relobj::find_comdat_group): New function.
4792         (Relobj::Comdat_group_table): New type.
4793         (Relobj::Kept_comdat_section): New type.
4794         (Relobj::Kept_comdat_section_table): New type.
4795         (Relobj::add_comdat_group): New function.
4796         (Relobj::set_kept_comdat_section): New function.
4797         (Relobj::get_kept_comdat_section): New function.
4798         (Relobj::comdat_groups_): New field.
4799         (Relobj::kept_comdat_sections_): New field.
4800         (Symbol_value::input_value): Update comment.
4801         (Sized_relobj::map_to_kept_section) New function.
4802         (Sized_relobj::include_linkonce_section): Add new parameter.
4803         * target-reloc.h (Comdat_behavior): New type.
4804         (get_comdat_behavior): New function.
4805         (relocate_section): Add code to map a discarded section to the
4806         corresponding kept section when applying a relocation.
4807
4808 2008-04-30  Craig Silverstein  <csilvers@google.com>
4809
4810         * dwarf_reader.cc (next_generation_count): New static var.
4811         (Addr2line_cache_entry): New struct.
4812         (addr2line_cache): New static var.
4813         (Dwarf_line_info::one_addr2line): Added caching.
4814         (Dwarf_line_info::clear_addr2line_cache): New function.
4815         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4816         cache-size parameter.
4817         (Dwarf_line_info::one_addr2line_cache): New function.
4818         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4819         new cache-size argument to one_addr2line(), and clear cache.
4820
4821 2008-04-28  Cary Coutant  <ccoutant@google.com>
4822
4823         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4824         R_386_PC8 relocations.
4825
4826 2008-04-23  Ian Lance Taylor  <iant@google.com>
4827
4828         * object.cc (Sized_relobj::include_section_group): Check for
4829         invalid section group.
4830
4831         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4832         header size.
4833
4834         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4835         than read for file header.
4836         * archive.cc (Archive::include_member): Likewise.
4837
4838 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4839
4840         * aclocal.m4: Regenerate.
4841         * configure: Regenerate.
4842
4843 2008-04-19  Ian Lance Taylor  <iant@google.com>
4844
4845         * version.cc (version_string): Bump to 1.6.
4846
4847         * testsuite/Makefile.am (many_sections_r_test): New target.
4848         (many_sections_r_test_SOURCES): Remove.
4849         (many_sections_r_test_DEPENDENCIES): Remove.
4850         (many_sections_r_test_LDFLAGS): Remove.
4851         (many_sections_r_test_LDADD): Remove.
4852
4853         * object.cc (Sized_relobj::do_add_symbols): Always pass
4854         local_symbol_count_ to add_from_relobj.
4855
4856         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4857         every thousand variables.
4858         * testsuite/Makefile.in: Rebuild.
4859
4860         * object.cc (Xindex::initialize_symtab_xindex): New function.
4861         (Xindex::read_symtab_xindex): New function.
4862         (Xindex::sym_xindex_to_shndx): New function.
4863         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4864         available.
4865         (Sized_relobj::do_initialize_xindex): New function.
4866         (Sized_relobj::do_read_symbols): Adjust section links.
4867         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4868         parameter.  Change all callers.
4869         (Sized_relobj::include_section_group): Adjust section links and
4870         symbol section indexes.
4871         (Sized_relobj::do_layout): Adjust section links.
4872         (Sized_relobj::do_count_local_symbols): Adjust section links and
4873         symbol section indexes.
4874         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4875         ordinary and special symbols.
4876         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4877         dynsym_xindex parameters.  Change all callers.  Adjust section
4878         links.  Use SHN_XINDEX when needed.
4879         (Sized_relobj::get_symbol_location_info): Adjust section links.
4880         Don't get fooled by special symbols.
4881         * object.h (class Xindex): Define.
4882         (class Object): Add xindex_ parameter.  Declare virtual functoin
4883         do_initialize_xindex.
4884         (Object::adjust_sym_shndx): New function.
4885         (Object::set_xindex): New protected function.
4886         (class Symbol_value): Add is_ordinary_shndx_ field.
4887         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4888         (Symbol_value::value): Assert ordinary section.
4889         (Symbol_value::initialize_input_to_output_map): Likewise.
4890         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4891         Change all callers.
4892         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4893         all callers.
4894         (class Sized_relobj): Update declarations.
4895         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4896         parameter.  Change all callers.
4897         (Sized_relobj::adjust_shndx): New function.
4898         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4899         field.
4900         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4901         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4902         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4903         (Sized_dynobj::read_dynsym_section): Adjust section links.
4904         (Sized_dynobj::read_dynamic): Likewise.
4905         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4906         section links.
4907         (Sized_dynobj::do_initialize_xindex): New function.
4908         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4909         do_initialize_xindex.
4910         (Sized_dynobj::adjust_shndx): New function.
4911         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4912         dynsym_xindex_ fields.
4913         (Layout::finalize): Add a call to set_section_indexes before
4914         creating the symtab sections.
4915         (Layout::set_section_indexes): Don't do anything if the section
4916         already has a section index.
4917         (Layout::create_symtab_sections): Add shnum parameter.  Change
4918         caller.  Create .symtab_shndx section if needed.
4919         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4920         caller.
4921         (Layout::allocated_output_section_count): New function.
4922         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4923         needed.
4924         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4925         fields.  Update declarations.
4926         (Layout::symtab_xindex): New function.
4927         (Layout::dynsym_xindex): New function.
4928         (class Write_symbols_task): Add layout_ field.
4929         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4930         Change caller.
4931         * output.cc (Output_section_headers::Output_section_headers): Add
4932         shstrtab_section parameter.  Change all callers.
4933         (Output_section_headers::do_sized_write): Store overflow values
4934         for section count and section string table section index in
4935         section header zero.
4936         (Output_file_header::do_sized_write): Check for overflow of
4937         section count and section string table section index.
4938         (Output_symtab_xindex::do_write): New function.
4939         (Output_symtab_xindex::endian_do_write): New function.
4940         * output.h (class Output_section_headers): Add shstrtab_section_.
4941         Update declarations.
4942         (class Output_symtab_xindex): Define.
4943         (Output_section::has_out_shndx): New function.
4944         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4945         field.
4946         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4947         Change all callers.
4948         (Sized_symbol::init): Likewise.
4949         (Symbol::output_section): Check for ordinary symbol.
4950         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4951         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4952         callers.
4953         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4954         Change all callers.  Simplify handling of symbols from sections
4955         not included in the link.
4956         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4957         distinction.
4958         (Weak_alias_sorter::operator()): Assert that symbols are
4959         ordinary.
4960         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4961         distinction.
4962         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4963         parameters.  Change all callers.
4964         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4965         symbol distinction.  Use SHN_XINDEX when needed.
4966         (Symbol_table::write_section_symbol): Add symtab_xindex
4967         parameter.  Change all callers.
4968         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4969         SHN_XINDEX when needed.
4970         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4971         declarations.
4972         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4973         (Symbol::is_defined): Check is_ordinary.
4974         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4975         (Symbol::is_absolute, Symbol::is_common): Likewise.
4976         (class Sized_symbol): Update declarations.
4977         (class Symbol_table): Update declarations.
4978         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4979         parameters.  Change all callers.
4980         (Sized_symbol::override): Likewise.
4981         (Symbol_table::override): Likewise.
4982         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4983         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4984         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4985         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4986         to be in an ordinary section.
4987         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4988         object and is_ordinary parameters.  Change all callers.
4989         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4990         Change all callers.  Don't add undefined or non-ordinary symbols
4991         to reloc_map_.
4992         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4993         Change all callers.
4994         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4995         declarations.
4996         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4997         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4998         (Sized_relobj::relocate_sections): Likewise.
4999         * target-reloc.h (scan_relocs): Adjust section symbol index.
5000         (scan_relocatable_relocs): Likewise.
5001         * i386.cc (Scan::local): Check for ordinary symbols.
5002         * sparc.cc (Scan::local): Likewise.
5003         * x86_64.cc (Scan::local): Likewise.
5004         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5005         to symbol_section_and_value.
5006         * testsuite/many_sections_test.cc: New file.
5007         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5008         (check_PROGRAMS): Add many_sections_test.
5009         (many_sections_test_SOURCES): Define.
5010         (many_sections_test_DEPENDENCIES): Define.
5011         (many_sections_test_LDFLAGS): Define.
5012         (BUILT_SOURCES): Add many_sections_define.h.
5013         (many_sections_define.h): New target.
5014         (BUILT_SOURCES): Add many_sections_check.h.
5015         (many_sections_check.h): New target.
5016         (check_PROGRAMS): Add many_sections_r_test.
5017         (many_sections_r_test_SOURCES): Define.
5018         (many_sections_r_test_DEPENDENCIES): Define.
5019         (many_sections_r_test_LDFLAGS): Define.
5020         (many_sections_r_test_LDADD): Define.
5021         (many_sections_r_test.o): New target.
5022         * testsuite/Makefile.in: Rebuild.
5023
5024 2008-04-17  Cary Coutant  <ccoutant@google.com>
5025
5026         * errors.cc (Errors::info): New function.
5027         (gold_info): New function.
5028         * errors.h (Errors::info): New function.
5029         * gold.h (gold_info): New function.
5030         * object.cc (Input_objects::add_object): Print trace output.
5031         * options.cc (options::parse_set): New function.
5032         (General_options::parse_wrap): Deleted.
5033         (General_options::General_options): Deleted initializer.
5034         * options.h (options::String_set): New typedef.
5035         (options::parse_set): New function.
5036         (DEFINE_set): New macro.
5037         (General_options::wrap): Changed to use DEFINE_set. Changed
5038         callers of any_wrap_symbols and is_wrap_symbol.
5039         (General_options::trace, General_options::trace_symbol):
5040         New options.
5041         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5042         (General_options::wrap_symbols_): Deleted.
5043         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5044
5045 2008-04-17  David S. Miller  <davem@davemloft.net>
5046
5047         * options.cc (General_options::parse_V): New function.
5048         * options.h: Add entries for -V and -Qy.
5049
5050 2008-04-17  Ian Lance Taylor  <iant@google.com>
5051
5052         * common.cc (Symbol_table::allocate_commons): Remove options
5053         parameter.  Change caller.
5054         (Symbol_table::do_allocate_commons): Remove options parameter.
5055         Change caller.  Just call do_allocate_commons_list twice.
5056         (Symbol_table::do_allocate_commons_list): New function, broken out
5057         of do_allocate_commons.
5058         * common.h (class Allocate_commons_task): Remove options_ field.
5059         Update constructor.
5060         * symtab.cc (Symbol_table::Symbol_table): Initialize
5061         tls_commons_.
5062         (Symbol_table::add_from_object): Put TLS common symbols on
5063         tls_commons_ list.
5064         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5065         which are IN_OUTPUT_DATA.
5066         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5067         allocate_commons and do_allocate_commons declarations.  Declare
5068         do_allocate_commons_list.
5069         * gold.cc (queue_middle_tasks): Update creation of
5070         Allocate_commons_task to not pass options.
5071         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5072         (TLS_TEST_C_FLAGS): New variable.
5073         (tls_test_c_pic.o): New target.
5074         (tls_test_shared.so): Link in tls_test_c_pic.o.
5075         (tls_test_c_pic_ie.o): New target.
5076         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5077         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5078         (tls_test_c.o): New target.
5079         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5080         (tls_pic_test_LDADD): Likewise.
5081         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5082         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5083         (tls_test_c_gnu2.o): New target.
5084         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5085         tls_test_c_gnu2.o.
5086         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5087         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5088         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5089         * testsuite/tls_test.cc: Include "config.h".
5090         (t_last): Call t11_last.
5091         * testsuite/tls_test.h (t11, t11_last): Declare.
5092         * testsuite/tls_test_c.c: New file.
5093         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5094         * configure.ac: Check for OpenMP support.
5095         * configure, config.in, Makefile.in: Rebuild.
5096         * testsuite/Makefile.in: Rebuild.
5097
5098 2008-04-16  Cary Coutant  <ccoutant@google.com>
5099
5100         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5101         (Target_i386::tls_base_symbol_defined_): New field.
5102         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5103         (Target_i386::Scan::global): Likewise.
5104         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5105         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5106         (Target_x86_64::tls_base_symbol_defined_): New field.
5107         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5108         (Target_x86_64::Scan::global): Likewise.
5109
5110 2008-04-16  Cary Coutant  <ccoutant@google.com>
5111
5112         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5113         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5114         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5115         building shared libraries.
5116         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5117         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5118         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5119         * testsuite/Makefile.in: Rebuild.
5120         * testsuite/weak_undef.h: New file.
5121         * testsuite/weak_undef_file1.cc: Add extra test cases.
5122         * testsuite/weak_undef_file2.cc: Likewise.
5123         * testsuite/weak_undef_test.cc: Likewise.
5124
5125 2008-04-16  David S. Miller  <davem@davemloft.net>
5126
5127         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5128         Add issued_non_pic_error_ field.  Declare check_non_pic.
5129         (Target_sparc::Scan::check_non_pic): New function.
5130         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5131         (Target_sparc::Scan::global): Likewise.
5132
5133         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5134         * configure: Rebuild.
5135
5136         * options.h (DEFINE_enable): New macro.
5137         (new_dtags): New enable option.
5138         (initfirst, interpose, loadfltr, nodefaultlib,
5139         nodelete, nodlopen, nodump): New -z options.
5140         * layout.cc (Layout:finish_dynamic_section): If new
5141         dtags enabled, emit DT_RUNPATH.  Also, emit a
5142         DT_FLAGS_1 containing any specified -z flags.
5143
5144 2008-04-16  Ian Lance Taylor  <iant@google.com>
5145
5146         * copy-relocs.cc: New file.
5147         * copy-relocs.h: New file.
5148         * reloc.cc: Remove Copy_relocs code.
5149         * reloc.h: Likewise.
5150         * reloc-types.h (struct Reloc_types) [both versions]: Add
5151         get_reloc_addend_noerror.
5152         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5153         variants of add_global which take an addend which must be zero.
5154         * i386.cc: Include "copy-relocs.h".
5155         (class Target_i386): Change type of copy_relocs_ to variable,
5156         update initializer.
5157         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5158         Change all callers.
5159         (Target_i386::do_finalize_sections): Change handling of
5160         copy_relocs_.
5161         * sparc.cc: Include "copy-relocs.h".
5162         (class Target_sparc): Change type of copy_relocs_ to variable,
5163         update initializer.
5164         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5165         Change all callers.
5166         (Target_sparc::do_finalize_sections): Change handling of
5167         copy_relocs_.
5168         * x86_64.cc: Include "copy-relocs.h".
5169         (class Target_x86_64): Change type of copy_relocs_ to variable,
5170         update initializer.
5171         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5172         class.  Change all callers.
5173         (Target_x86_64::do_finalize_sections): Change handling of
5174         copy_relocs_.
5175         * Makefile.am (CCFILES): Add copy-relocs.cc.
5176         (HFILES): Add copy-relocs.h.
5177
5178         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5179
5180         * testsuite/script_test_4.sh: Permit leading zeroes.
5181
5182 2008-04-15  Ian Lance Taylor  <iant@google.com>
5183
5184         * script-sections.cc (Script_sections::create_segments): Use
5185         header_size_adjustment even when there is enough room for the
5186         headers.
5187         * testsuite/script_test_4.sh: New file.
5188         * testsuite/script_test_4.t: New file.
5189         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5190         (check_DATA): Add script_test_4.stdout.
5191         (MOSTLYCLEANFILES): Likewise.
5192         (script_test_4): New target.
5193         (script_test_4.stdout): New target.
5194         * testsuite/Makefile.in: Rebuild.
5195
5196         * sparc.cc: Add definitions for Output_data_plt_sparc class
5197         constants.
5198
5199 2008-04-14  David S. Miller  <davem@davemloft.net>
5200
5201         * sparc.cc: New file.
5202         * Makefile.am (TARGETSOURCES): Add sparc.cc
5203         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5204         * configure.tgt: Document targ_extra_size and
5205         targ_extra_big_endian.  Add entries for sparc-* and
5206         sparc64-*.
5207         * configure.ac: Handle targ_extra_size and
5208         targ_extra_big_endian.
5209         * Makefile.in: Rebuild.
5210         * configure: Likewise.
5211         * po/POTFILES.in: Likewise.
5212         * po/gold.pot: Likewise.
5213
5214 2008-04-14  Ian Lance Taylor  <iant@google.com>
5215
5216         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5217         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5218         in the name/type/flags to section mapping.  Don't call
5219         allocate_output_section.
5220         (Layout::choose_output_section): Change parameter from adjust_name
5221         to is_input_section.  Don't permit input sections after sections
5222         are attached to segments.  Don't call allocate_output_section.
5223         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5224         not write_enable_output_section.
5225         (Layout::make_output_section): Don't push to
5226         unattached_section_list_ nor call attach_to_segment.  Call
5227         attach_section_to_segment if sections are attached.
5228         (Layout::attach_sections_to_segments): New function.
5229         (Layout::attach_section_to_segment): New function.
5230         (Layout::attach_allocated_section_to_segment): Rename from
5231         attach_to_segment.  Remove flags parameter.
5232         (Layout::allocate_output_section): Remove function.
5233         (Layout::write_enable_output_section): Remove function.
5234         * layout.h (class Layout): Update for above changes.  Add new
5235         field sections_are_attached_.
5236         * output.h (Output_section::update_flags_for_input_section): New
5237         function.
5238         * output.cc (Output_section::add_input_section): Call
5239         update_flags_for_input_section.
5240         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5241
5242 2008-04-11  Cary Coutant  <ccoutant@google.com>
5243
5244         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5245         thought unnecessary.
5246         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5247
5248 2008-04-11  Ian Lance Taylor  <iant@google.com>
5249
5250         * output.h (class Output_section_data): Remove inline definition
5251         of set_addralign.
5252         * output.cc (Output_section_data::set_addralign): New function.
5253
5254 2008-04-11  Cary Coutant  <ccoutant@google.com>
5255
5256         Add support for TLS descriptors for i386 and x86_64.
5257         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5258         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5259         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5260         GOT_TYPE_TLS_DESC.
5261         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5262         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5263         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5264         relocations.
5265         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5266         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5267         Fix problem with initial-exec relocations.
5268         (Target_i386::Relocate::relocate_tls): Likewise.
5269         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5270         relaxation.
5271         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5272         support for section-plus-offset dynamic table entries.
5273         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5274         (Output_data_dynamic::Dynamic_entry): Add support for
5275         section-plus-offset dynamic table entries.
5276         (Output_data_dynamic::Classification): Likewise.
5277         (Output_data_dynamic::classification_): Renamed offset_.
5278         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5279         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5280         (Target_x86_64::make_plt_section): New function.
5281         (Target_x86_64::reserve_tlsdesc_entries): New function.
5282         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5283         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5284         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5285         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5286         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5287         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5288         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5289         add extra PLT entry for TLS descriptors.
5290         (Output_data_plt_x86_64::got_): New field.
5291         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5292         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5293         fields.
5294         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5295         descriptors.
5296         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5297         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5298         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5299         R_386_TLS_DESC_CALL relocations.
5300         (Target_x86_64::Scan::global): Likewise.
5301         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5302         for TLS descriptors.
5303         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5304         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5305         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5306         GD-to-IE relaxation.
5307         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5308         and TLS_DESCRIPTORS.
5309         * Makefile.in: Rebuild.
5310         * configure: Rebuild.
5311         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5312         (tls_test_shared2.so): New target.
5313         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5314         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5315         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5316         (tls_shared_gd_to_ie_test_LDADD): New variable.
5317         (tls_shared_gnu2_gd_to_ie_test): New target.
5318         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5319         New targets.
5320         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5321         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5322         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5323         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5324         (tls_shared_gnu2_test): New target.
5325         (tls_test_gnu2_shared.so): New target.
5326         (tls_shared_gnu2_test_SOURCES): New variable.
5327         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5328         (tls_shared_gnu2_test_LDFLAGS): New variable.
5329         (tls_shared_gnu2_test_LDADD): New variable.
5330         * testsuite/Makefile.in: Rebuild.
5331         * testsuite/Makefile.
5332
5333 2008-04-11  Ian Lance Taylor  <iant@google.com>
5334
5335         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5336         justsyms.t.
5337         * testsuite/Makefile.in: Rebuild.
5338
5339         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5340         long.
5341         * testsuite/script_test_2.cc (main): Adjust test.
5342
5343 2008-04-11  David S. Miller  <davem@davemloft.net>
5344             Ian Lance Taylor  <iant@google.com>
5345
5346         * options.h (General_options): Add entries for '-Y' and
5347         '-relax'.
5348         * options.cc (General_options:finalize): If -Y was used, add those
5349         entries to the library path instead of the default "/lib" and
5350         "/usr/lib".
5351
5352 2008-04-11  David S. Miller  <davem@davemloft.net>
5353
5354         * testsuite/justsyms.t: Start at 0x100.
5355         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5356         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5357         long.
5358         * testsuite/script_test_2.cc: Adjust string and section length
5359         checks.
5360
5361 2008-04-09  Ian Lance Taylor  <iant@google.com>
5362
5363         PR gold/5996
5364         * script-sections.cc (Sections_element::allocate_to_segment): Add
5365         orphan parameter.
5366         (Output_section_definition::allocate_to_segment): Likewise.
5367         (Orphan_output_section::allocate_to_segment): Likewise.
5368         (Script_sections::attach_sections_using_phdrs_clause): Don't
5369         propagate non-PT_LOAD segments to orphan sections.
5370         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5371         readelf rather than objdump.
5372         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5373         .interp section and PT_INTERP segment are the same size.
5374         * testsuite/Makefile.in: Rebuild.
5375
5376         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5377         aliases for symbols defined in the same object.
5378         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5379         (weak_alias_test_SOURCES): New variable.
5380         (weak_alias_test_DEPENDENCIES): New variable.
5381         (weak_alias_test_LDFLAGS): New variable.
5382         (weak_alias_test_LDADD): New variable.
5383         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5384         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5385         (weak_alias_test_3.o): New target.
5386         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5387         * testsuite/weak_alias_test_main.cc: New file.
5388         * testsuite/weak_alias_test_1.cc: New file.
5389         * testsuite/weak_alias_test_2.cc: New file.
5390         * testsuite/weak_alias_test_3.cc: New file.
5391
5392 2008-04-08  Ian Lance Taylor  <iant@google.com>
5393
5394         * options.h (class General_options): Add --noinhibit-exec option.
5395         * main.cc (main): Check --noinhibit-exec.
5396
5397         * options.h (class General_options): Define --wrap as a special
5398         option.  Add wrap_symbols_ field.
5399         (General_options::any_wrap_symbols): New function.
5400         (General_options::is_wrap_symbol): New function.
5401         * options.cc (General_options::parse_wrap): New function.
5402         (General_options::General_options): Initialize wrap_symbols_.
5403         * symtab.cc (Symbol_table::wrap_symbol): New function.
5404         (Symbol_table::add_from_object): Handle --wrap.
5405         * symtab.h (class Symbol_table): Declare wrap_symbol.
5406         * target.h (Target::wrap_char): New function.
5407         (Target::Target_info): Add wrap_char field.
5408         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5409         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5410         * testsuite/testfile.cc (Target_test::test_target_info):
5411         Likewise.
5412
5413         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5414         there is one.
5415
5416         * layout.h (class Layout): Add added_eh_frame_data_ field.
5417         * layout.cc (Layout::Layout): Initialize new field.
5418         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5419         output section until we find a section we merged successfully.
5420         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5421         that the size be non-zero.
5422
5423         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5424         qualifier.
5425
5426 2008-04-08  Craig Silverstein  <csilvers@google.com>
5427
5428         * configure.ac: Export new conditional variable HAVE_ZLIB.
5429         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5430         on HAVE_ZLIB.
5431         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5432         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5433
5434 2008-04-07  Ian Lance Taylor  <iant@google.com>
5435
5436         * version.cc (version_string): Set to "1.5".
5437
5438         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5439         Add issued_non_pic_error_ field.  Declare check_non_pic.
5440         (Target_x86_64::Scan::check_non_pic): New function.
5441         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5442         (Target_x86_64::Scan::global): Likewise.
5443
5444         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5445         addend parameter.  Change caller.  Handle merge sections.
5446         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5447         Address to Addend.  Don't add in the result of
5448         local_section_offset, pass down the addend and use the returned
5449         value.
5450         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5451         Update declarations of local_section_offset and symbol_value.
5452         * testsuite/two_file_test_1.cc (t18): New function.
5453         * testsuite/two_file_test_2.cc (f18): New function.
5454         * testsuite/two_file_test_main.cc (main): Call t18.
5455         * testsuite/two_file_test.h (t18, f18): Declare.
5456
5457         * configure.ac: Don't test for objdump, c++filt, or readelf.
5458         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5459         conditionals.
5460         (TEST_READELF): New variable.
5461         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5462         (check_PROGRAMS): Add two_file_strip_test.
5463         (two_file_strip_test): New target.
5464         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5465         (two_file_same_shared_strip_test_SOURCES): New variable.
5466         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5467         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5468         (two_file_same_shared_strip_test_LDADD): New variable.
5469         (two_file_shared_strip.so): New target.
5470         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5471         (ver_test_5.syms, ver_test_7.syms): Likewise.
5472         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5473         (strip_test_3.stdout): Use TEST_OBJDUMP.
5474         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5475
5476 2008-04-04  Cary Coutant  <ccoutant@google.com>
5477
5478         * symtab.h (Symbol::is_weak_undefined): New function.
5479         (Symbol::is_strong_undefined): New function.
5480         (Symbol::is_absolute): New function.
5481         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5482         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5483         absolute symbols.
5484         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5485         (weak_undef_test): New target.
5486         * testsuite/Makefile.in: Rebuild.
5487         * testsuite/weak_undef_file1.cc: New file.
5488         * testsuite/weak_undef_file2.cc: New file.
5489         * testsuite/weak_undef_test.cc: New file.
5490
5491 2008-04-03  Craig Silverstein  <csilvers@google.com>
5492
5493         * compressed_output.h (class Output_compressed_section): Use
5494         unsigned buffer.
5495         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5496         add zlib header.
5497         (zlib_compressed_suffix): Removed.
5498         (Output_compressed_section::set_final_data_size): Use unsigned
5499         buffers.
5500         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5501         Fix linker invocation.
5502         (flagstest_o_specialfile_and_compress_debug_sections):
5503         Likewise.
5504         * testsuite/Makefile.in: Regenerated.
5505
5506 2008-04-02  David S. Miller  <davem@davemloft.net>
5507
5508         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5509         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5510
5511 2008-04-02  Craig Silverstein  <csilvers@google.com>
5512
5513         * TODO: New file.
5514
5515 2008-04-02  Ian Lance Taylor  <iant@google.com>
5516
5517         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5518         parameters.  Update for new key type to views_.  Change all
5519         callers.
5520         (File_read::read): Adjust for byteshift in returned view.
5521         (File_read::add_view): New function, broken out of
5522         find_and_make_view.
5523         (File_read::make_view): New function, broken out of
5524         find_and_make_view.
5525         (File_read::find_or_make_view): Add offset and aligned
5526         parameters.  Rewrite accordingly.  Change all callers.
5527         (File_read::get_view): Add offset and aligned parameters.  Adjust
5528         for byteshift in return value.
5529         (File_read::get_lasting_view): Likewise.
5530         * fileread.h (class File_read): Update declarations.
5531         (class File_read::View): Add byteshift_ field.  Add byteshift to
5532         constructor.  Add byteshift method.
5533         * archive.h (Archive::clear_uncached_views): New function.
5534         (Archive::get_view): Add aligned parameter.  Change all callers.
5535         * object.h (Object::get_view): Add aligned parameter.  Change all
5536         callers.
5537         (Object::get_lasting_view): Likewise.
5538
5539         * fileread.cc (File_read::release): Don't call clear_views if
5540         there are multiple objects.
5541         * fileread.h (File_read::clear_uncached_views): New function.
5542         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5543         on the archive.
5544
5545 2008-03-31  Cary Coutant  <ccoutant@google.com>
5546
5547         Add thin archive support.
5548         * archive.cc (Archive::armagt): New const.
5549         (Archive::setup): Remove task parameter and calls to unlock.
5550         (Archive::unlock_nested_archives): New function.
5551         (Archive::read_header): Add nested_off parameter. Change
5552         all callers.
5553         (Archive::interpret_header): Likewise.
5554         (Archive::include_all_members): Change to handle thin
5555         archives.
5556         (Archive::include_member): Likewise.
5557         * archive.h (Archive::Archive): Add new parameters and
5558         initializers.
5559         (Archive::armagt): New const.
5560         (Archive::setup): Remove task parameter.
5561         (Archive::unlock_nested_archives): New function.
5562         (Archive::read_header): Add nested_off parameter.
5563         (Archive::interpret_header): Likewise.
5564         (Archive::Nested_archive_table): New typedef.
5565         (Archive::is_thin_archive_): New field.
5566         (Archive::nested_archives_): New field.
5567         (Archive::options_): New field.
5568         (Archive::dirpath_): New field.
5569         (Archive::task_): New field.
5570         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5571         for thin archives.  Pass additional parameters to
5572         Archive::Archive.  Unlock the archive file after calling
5573         Archive::setup.
5574
5575 2008-03-29  Ian Lance Taylor  <iant@google.com>
5576
5577         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5578         version symbol to be local.
5579         * testsuite/ver_test_4.sh: New file.
5580         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5581         (check_DATA): Add ver_test_4.syms.
5582         (ver_test_4.syms): New target.
5583         * testsuite/Makefile.in: Rebuild.
5584
5585         * output.cc
5586         (Output_section::Input_section_sort_entry::has_priority): New
5587         function.
5588         (Output_section::Input_section_sort_entry::match_file_name): New
5589         function.
5590         (Output_section::Input_section_sort_entry::match_section_name):
5591         Remove.
5592         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5593         Remove.
5594         (Output_section::Input_section_sort_entry::match_section_file):
5595         Remove.
5596         (Output_section::Input_section_sort_compare::operator()): Rewrite
5597         using new Input_section_sort_entry functions.  Sort crtbegin and
5598         crtend first.  Sort sections with no priority before sections with
5599         a priority.
5600         * testsuite/initpri1.c (d3): Check j != 4.
5601         (cd5): New constructor/destructor function.
5602         (main): Check j != 2.
5603
5604         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5605         new symbol when resolving, don't call set_is_default.
5606         * testsuite/ver_test_7.cc: New file.
5607         * testsuite/ver_test_7.sh: New file.
5608         * testsuite/Makefile.am (ver_test_7.so): New target.
5609         (ver_test_7.o): New target.
5610         (check_SCRIPTS): Add ver_test_7.sh.
5611         (check_DATA): Add ver_test_7.syms.
5612         (ver_test_7.syms): New target.
5613
5614 2008-03-28  Ian Lance Taylor  <iant@google.com>
5615
5616         * layout.cc (Layout::layout): If we see an input section with a
5617         name that needs sorting, set the must_sort flag for the output
5618         section.
5619         (Layout::make_output_section): If the name of the output section
5620         indicates that it might require sorting, set the may_sort flag.
5621         * output.h (Output_section::may_sort_attached_input_sections): New
5622         function.
5623         (Output_section::set_may_sort_attached_input_sections): New
5624         function.
5625         (Output_section::must_sort_attached_input_sections): New
5626         function.
5627         (Output_section::set_must_sort_attached_input_sections): New
5628         function.
5629         (class Output_section): Declare Input_section_sort_entry.  Define
5630         Input_section_sort_compare.  Declare
5631         sort_attached_input_sections.  Add new fields:
5632         may_sort_attached_input_sections_,
5633         must_sort_attached_input_sections_,
5634         attached_input_sections_are_sorted_.
5635         * output.cc (Output_section::Output_section): Initialize new
5636         fields.
5637         (Output_section::add_input_section): Add an entry to
5638         input_sections_ if may_sort or must_sort are true.
5639         (Output_section::set_final_data_size): Call
5640         sort_attached_input_sections if necessary.
5641         (Output_section::Input_section_sort_entry): Define new class.
5642         (Output_section::Input_section_sort_compare::operator()): New
5643         function.
5644         (Output_section::sort_attached_input_sections): New function.
5645         * configure.ac: Check whether the compiler supports constructor
5646         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5647         * testsuite/initpri1.c: New file.
5648         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5649         CONSTRUCTOR_PRIORITY.
5650         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5651         (initpri1_LDFLAGS): New variable.
5652         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5653
5654 2008-03-27  Ian Lance Taylor  <iant@google.com>
5655
5656         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5657         * testsuite/common_test_1.c: New file.
5658         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5659         (common_test_1_SOURCES): New variable.
5660         (common_test_1_DEPENDENCIES): New variable.
5661         (common_test_1_LDFLAGS): New variable.
5662
5663         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5664         and commons_ correctly when NAME/VERSION does not override
5665         NAME/NULL.
5666         * testsuite/ver_test_6.c: New file.
5667         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5668         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5669         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5670
5671 2008-03-26  Ian Lance Taylor  <iant@google.com>
5672
5673         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5674         of an undefined symbol from a version script.
5675         * testsuite/Makefile.am (ver_test_5.so): New target.
5676         (ver_test_5.o): New target.
5677         (check_SCRIPTS): Add ver_test_5.sh.
5678         (check_DATA): Add ver_test_5.syms.
5679         (ver_test_5.syms): New target.
5680         * testsuite/ver_test_5.cc: New file.
5681         * testsuite/ver_test_5.script: New file.
5682         * testsuite/ver_test_5.sh: New file.
5683         * Makefile.in, testsuite/Makefile.in: Rebuild.
5684
5685         PR gold/5986
5686         Fix problems building gold with gcc 4.3.0.
5687         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5688         (gold_error_at_location, gold_warning_at_location): Use it.
5689         * configure.ac: Check whether we can compile and use a template
5690         function with a printf attribute.
5691         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5692         when jumping over bytes.
5693         * object.cc: Instantiate Object::read_section_data.
5694         * debug.h: Include <cstring>
5695         * dwarf_reader.cc: Include <algorithm>
5696         * main.cc: Include <cstring>.
5697         * options.cc: Include <cstring>.
5698         * output.cc: Include <cstring>.
5699         * script.cc: Include <cstring>.
5700         * script.h: Include <string>.
5701         * symtab.cc: Include <cstring> and <algorithm>.
5702         * target-select.cc: Include <cstring>.
5703         * version.cc: Include <string>.
5704         * testsuite/testmain.cc: Include <cstdlib>.
5705         * configure, config.in: Rebuild.
5706
5707 2008-03-25  Ian Lance Taylor  <iant@google.com>
5708
5709         * options.cc: Include "../bfd/bfdver.h".
5710         (options::help): Print bug reporting address.
5711
5712         * version.cc (print_version): Adjust output for current value of
5713         BFD_VERSION_STRING.
5714
5715         * NEWS: New file.
5716
5717         * options.cc (options::help): Print list of supported targets.
5718         * target-select.h: Include <vector>.
5719         (class Target_selector): Make machine_, size_, and is_big_endian_
5720         fields const.  Add bfd_name_ and instantiated_target_ fields.
5721         (Target_selector::Target_selector): Add bfd_name parameter.
5722         (Target_selector::recognize): Make non-virtual, call
5723         do_recognize.
5724         (Target_selector::recognize_by_name): Make non-virtual, call
5725         do_recognize_by_name.
5726         (Target_selector::supported_names): New function.
5727         (Target_selector::bfd_name): New function.
5728         (Target_selector::do_instantiate_target): New pure virtual
5729         function.
5730         (Target_selector::do_recognize): New virtual function.
5731         (Target_selector::do_recognize_by_name): New virtual function.
5732         (Target_selector::instantiate_target): New private function.
5733         (supported_target_names): Declare.
5734         * target-select.cc (Target_selector::Target_selector): Update for
5735         new parameter and fields.
5736         (select_target_by_name): Check that the name matches before
5737         calling recognize_by_name.
5738         (supported_target_names): New function.
5739         * i386.cc (class Target_selector_i386): Update Target_selector
5740         constructor call.  Remove recognize and recognize_by_name.  Add
5741         do_instantiate_target.
5742         * x86_64.cc (class Target_selector_x86_64): Likewise.
5743         * testsuite/testfile.cc (class Target_selector_test): Update for
5744         changes to Target_selector.
5745
5746         * README: Rewrite, with some notes on unsupported features.
5747
5748 2008-03-24  Cary Coutant  <ccoutant@google.com>
5749
5750         * i386.cc (Target_i386::Got_type): New enum declaration.
5751         (Target_i386::Scan::local): Updated callers of Output_data_got
5752         member functions.
5753         (Target_i386::Scan::global): Likewise.
5754         (Target_i386::Relocate::relocate): Likewise.
5755         (Target_i386::Relocate::relocate_tls): Likewise.
5756         * object.h (Got_offset_list): New class.
5757         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5758         (Sized_relobj::local_got_offset): Likewise.
5759         (Sized_relobj::set_local_got_offset): Likewise.
5760         (Sized_relobj::local_has_tls_got_offset): Removed.
5761         (Sized_relobj::local_tls_got_offset): Removed.
5762         (Sized_relobj::set_local_tls_got_offset): Removed.
5763         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5764         * output.cc (Output_data_got::add_global): Added got_type parameter.
5765         (Output_data_got::add_global_with_rel): Likewise.
5766         (Output_data_got::add_global_with_rela): Likewise.
5767         (Output_data_got::add_global_pair_with_rel): New function.
5768         (Output_data_got::add_global_pair_with_rela): New function.
5769         (Output_data_got::add_local): Added got_type parameter.
5770         (Output_data_got::add_local_with_rel): Likewise.
5771         (Output_data_got::add_local_with_rela): Likewise.
5772         (Output_data_got::add_local_pair_with_rel): New function.
5773         (Output_data_got::add_local_pair_with_rela): New function.
5774         (Output_data_got::add_global_tls): Removed.
5775         (Output_data_got::add_global_tls_with_rel): Removed.
5776         (Output_data_got::add_global_tls_with_rela): Removed.
5777         (Output_data_got::add_local_tls): Removed.
5778         (Output_data_got::add_local_tls_with_rel): Removed.
5779         (Output_data_got::add_local_tls_with_rela): Removed.
5780         * output.h (Output_data_got::add_global): Added got_type parameter.
5781         (Output_data_got::add_global_with_rel): Likewise.
5782         (Output_data_got::add_global_with_rela): Likewise.
5783         (Output_data_got::add_global_pair_with_rel): New function.
5784         (Output_data_got::add_global_pair_with_rela): New function.
5785         (Output_data_got::add_local): Added got_type parameter.
5786         (Output_data_got::add_local_with_rel): Likewise.
5787         (Output_data_got::add_local_with_rela): Likewise.
5788         (Output_data_got::add_local_pair_with_rel): New function.
5789         (Output_data_got::add_local_pair_with_rela): New function.
5790         (Output_data_got::add_global_tls): Removed.
5791         (Output_data_got::add_global_tls_with_rel): Removed.
5792         (Output_data_got::add_global_tls_with_rela): Removed.
5793         (Output_data_got::add_local_tls): Removed.
5794         (Output_data_got::add_local_tls_with_rel): Removed.
5795         (Output_data_got::add_local_tls_with_rela): Removed.
5796         * resolve.cc (Symbol::override_base_with_special): Removed
5797         reference to has_got_offset_ field.
5798         * symtab.cc (Symbol::init_fields): Replaced initialization
5799         of got_offset_ with got_offsets_.  Removed initialization
5800         of has_got_offset_
5801         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5802         (Symbol::got_offset): Likewise.
5803         (Symbol::set_got_offset): Likewise.
5804         (Symbol::has_tls_got_offset): Removed.
5805         (Symbol::tls_got_offset): Removed.
5806         (Symbol::set_tls_got_offset): Removed.
5807         (Symbol::got_offset_): Removed.
5808         (Symbol::tls_mod_got_offset_): Removed.
5809         (Symbol::tls_pair_got_offset_): Removed.
5810         (Symbol::got_offsets_): New field.
5811         (Symbol::has_got_offset): Removed.
5812         (Symbol::has_tls_mod_got_offset): Removed.
5813         (Symbol::has_tls_pair_got_offset): Removed.
5814         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5815         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5816         member functions.
5817         (Target_x86_64::Scan::global): Likewise.
5818         (Target_x86_64::Relocate::relocate): Likewise.
5819         (Target_x86_64::Relocate::relocate_tls): Likewise.
5820
5821 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5822
5823         * yyscript.y: Fix spelling error in comment.
5824
5825 2008-03-24  Ian Lance Taylor  <iant@google.com>
5826
5827         * options.h (class General_options): Define build_id option.
5828         * layout.h (class Layout): Declare write_build_id, create_note,
5829         create_build_id.  Add build_id_note_ member.
5830         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5831         "libiberty.h", "md5.h", "sha1.h".
5832         (Layout::Layout): Initialize eh_frame_data_,
5833         eh_frame_hdr_section_, and build_id_note_.
5834         (Layout::finalize): Call create_build_id.
5835         (Layout::create_note): New function, broken out of
5836         Layout::create_gold_note.
5837         (Layout::create_gold_note): Call create_note.
5838         (Layout::create_build_id): New function.
5839         (Layout::write_build_id): New function.
5840         (Close_task_runner::run): Call write_build_id.
5841
5842         * x86_64.cc: Correct license to GPLv3.
5843
5844 2008-03-23  Ian Lance Taylor  <iant@google.com>
5845
5846         * options.cc: Include "demangle.h".
5847         (parse_optional_string): New function.
5848         (parse_long_option): Handle takes_optional_argument.
5849         (parse_short_option): Update dash_z initializer.  Handle
5850         takes_optional_argument.
5851         (General_options::General_options): Initialize do_demangle_.
5852         (General_options::finalize): Set do_demangle_.  Handle demangling
5853         style.
5854         * options.h (parse_optional_string): Declare.
5855         (struct One_option): Add optional_arg field.  Update constructor.
5856         Update call constructor calls.  Add takes_optional_argument
5857         function.
5858         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5859         (DEFINE_optional_string): Define.
5860         (General_options::demangle): Change from DEFINE_bool to
5861         DEFINE_optional_string.
5862         (General_options::no_demangle): New function.
5863         (General_options::do_demangle): New function.
5864         (General_options::set_do_demangle): New function.
5865         (General_options::execstack_status_): Move definition to end of
5866         class definition.
5867         (General_options::static_): Likewise.
5868         (General_options::do_demangle_): New field.
5869         * object.cc (big_endian>::get_symbol_location_info): Call
5870         Options::do_demangle, not Options::demangle.
5871         * symtab.cc (demangle): Likewise.
5872
5873 2008-03-22  Ian Lance Taylor  <iant@google.com>
5874
5875         * gold.h: Include <cstddef> and <sys/types.h>
5876         * options.h: Include <cstring>.
5877
5878 2008-03-21  Ian Lance Taylor  <iant@google.com>
5879
5880         * Added source code to GNU binutils.