gold/ChangeLog

   1 2010-01-05  Ian Lance Taylor  <iant@google.com>
   2
   3         PR 10980
   4         * options.h (class General_options): Add --undefined-version.
   5         * script.cc (struct Version_expression): Add was_matched_by_symbol
   6         field.
   7         (Version_script_info::matched_symbol): New function.
   8         (Version_script_info::get_symbol_version_helper): Call
   9         matched_symbol.
  10         (Version_script_info::check_unmatched_names): New function.
  11         * script.h (class Version_script_info): Update declarations.
  12         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
  13
  14         * options.h (class General_options): Use DEFINE_bool_alias for
  15         allow_multiple_definition.
  16         * resolve.cc (Symbol_table::should_override): Don't test
  17         allow_multiple_definition.
  18
  19         PR 10980
  20         * options.h (class General_options): Add --cref.
  21         * main.cc (main): Print cref table if --cref.  Don't close mapfile
  22         until after printing cref table.
  23         * cref.cc: Include "symtab.h".
  24         (class Cref_inputs): Define Cref_table_compare and Cref_table.
  25         (Cref_table_compare::operator()): New function.
  26         (Cref_inputs::gather_cref): New function.
  27         (filecol): New static const.
  28         (Cref_inputs::print_cref): New function.
  29         (Cref::print_cref): New function.
  30         * cref.h: Include <cstdio>.
  31         (class Cref): Update declarations.
  32         * mapfile.h (Mapfile::file): New function.
  33         * object.h (class Object): Define Symbols.  Declare virtual
  34         do_get_global_symbols.
  35         (Object::get_global_symbols): New function.
  36         * object.cc (Input_objects::add_object): Pass object to cref_ if
  37         --cref.
  38         (Input_objects::archive_start): Likewise.
  39         (Input_objects::archive_stop): Likewise.
  40         (Input_objects::print_cref): New function.
  41         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
  42         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
  43         --cref.
  44         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
  45         function.
  46         * plugin.h (class Sized_pluginobj): Update declarations.
  47
  48 2010-01-05  Ian Lance Taylor  <iant@google.com>
  49
  50         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
  51         to is_default_version.  Rename insdef to insdefault.
  52         (Symbol_table::add_from_relobj): Rename def to is_default_version
  53         and local to is_forced_local.
  54         (Symbol_table::add_from_pluginobj): Likewise.
  55         (Symbol_table::add_from_dynobj): Likewise.
  56         (Symbol_table::define_special_symbol): Rename insdef to
  57         insdefault.
  58
  59 2010-01-04  Ian Lance Taylor  <iant@google.com>
  60
  61         PR 10980
  62         * options.h (class General_options): Add
  63         --allow-multiple-definition and -z muldefs.
  64         * resolve.cc (Symbol_table::should_override): Don't warn about a
  65         multiple symbol definition if --allow-multiple-definition or -z
  66         muldefs.
  67
  68         PR 10980
  69         * options.h (class General_options): Add --add-needed and
  70         --copy-dt-needed-entries.  Tweak --as-needed help entry.
  71         * object.cc (Input_objects::check_dynamic_dependencies): Give an
  72         error if --copy-dt-needed-entries aka --add-needed is used and
  73         would cause a change in behaviour.
  74
  75         PR 10980
  76         * options.h (class General_options): Add -G as a short version of
  77         --shared.  Add no-op options -assert, -g, and -i.
  78
  79 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
  80
  81         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
  82         check for .text or .gnu.linkonce.t sections.
  83         * icf.cc (Icf::find_identical_sections): Ditto.
  84         Change the detection for mangled function name within the section
  85         name.
  86         * icf.h (is_section_foldable_candidate): New function.
  87
  88 2009-12-30  Ian Lance Taylor  <iant@google.com>
  89
  90         PR 10980
  91         * options.h (class General_options): Permit two dashes with
  92         --retain-symbols-file.
  93
  94 2009-12-30  Ian Lance Taylor  <iant@google.com>
  95
  96         PR 10979
  97         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
  98         don't put the file header and segment headers in the text
  99         segment.
 100
 101         PR 10979
 102         * common.cc (Sort_commons::operator()): Stabilize sort when both
 103         entries are NULL.
 104         (Symbol_table::do_allocate_commons_list): When allocating common
 105         symbols, skip a symbol which is no longer common.
 106         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 107         an object before checking its type.
 108         * testsuite/common_test_2.c: New file.
 109         * testsuite/common_test_3.c: New file.
 110         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 111         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 112         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 113         (common_test_2_pic.o, common_test_2.so): New targets.
 114         (common_test_3_pic.o, common_test_3.so): New targets.
 115         * testsuite/Makefile.in: Rebuild.
 116
 117         PR 10979
 118         * script.cc (read_input_script): If we see a new SECTIONS clause,
 119         and we have added an input section, give an error.
 120         * layout.h (class Layout): Add have_added_input_section function.
 121         Add have_added_input_section_ field.
 122         * layout.cc (Layout::Layout): Initialize
 123         have_added_input_section_.
 124         (Layout::layout): Set have_added_input_section_.
 125         (Layout::layout_eh_frame): Likewise.
 126
 127 2009-12-30  Ian Lance Taylor  <iant@google.com>
 128
 129         PR 10931
 130         * options.h (class General_options): Add --sort-common option.
 131         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 132         * common.cc (Sort_common): Add sort_order parameter to
 133         constructor.  Add sort_order_ field.
 134         (Sort_commons::operator): Check sort_order_.
 135         (Symbol_table::allocate_commons): Determine the sort order.
 136         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 137         Change all callers.
 138         (Symbol_table::do_allocate_commons_list): Likewise.
 139
 140 2009-12-30  Ian Lance Taylor  <iant@google.com>
 141
 142         PR 10916
 143         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 144         symbols from this object, don't change the visibility of an
 145         undefined symbol.
 146         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 147
 148 2009-12-30  Ian Lance Taylor  <iant@google.com>
 149
 150         PR 10861
 151         * script.h (class Version_script_info): Define Language enum.
 152         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 153         new fields globals_, locals_, and is_finalized_.
 154         * script.cc: Various formatting fixes.
 155         (class Parser_closure): Change language_stack_ from a vector of
 156         std::string to one of Version_script_info::Language.  Adjust all
 157         uses accordingly.
 158         (class Lazy_demangler): Remove.
 159         (struct Version_expression): Change language from std::string to
 160         Version_script_info::Language.
 161         (Version_script_info::Version_script_info): New function.
 162         (Version_script_info::~Version_script_info): Don't call clear.
 163         (Version_script_info::finalize): New function.
 164         (Version_script_info::build_lookup_tables): New function.
 165         (Version_script_info::build_expression_list_lookup): New
 166         function.
 167         (Version_script_info::get_symbol_version_helper): Rewrite to use
 168         lookup tables.
 169         (Version_script_info::print_expression_list): Adjust to use
 170         Version_script_info::Language.
 171         (script_push_lex_into_version_mode): Check that the version script
 172         has not been finalized.
 173         (version_script_push_lang): Change language string to
 174         Version_script_info::Language.
 175         * options.cc (Command_line::version_script): New function.
 176         * options.h (class General_options): Add finalize_dynamic_list
 177         function.  Change version_script from declaration to definition.
 178         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 179         * testsuite/version_script.map: Remove duplicate def of foo.
 180         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 181         version_script.map.
 182         * testsuite/Makefile.in: Rebuild.
 183
 184 2009-12-30  Ian Lance Taylor  <iant@google.com>
 185
 186         PR 10843
 187         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 188         if the input symbol index is 0, make the output symbol index 0.
 189
 190 2009-12-30  Ian Lance Taylor  <iant@google.com>
 191
 192         PR 10670
 193         * options.h (class General_options): Add -x/--discard-all.
 194         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 195         --discard-all.  If the local symbol needs a dynamic entry, check
 196         that before handling --discard-locals.
 197
 198 2009-12-30  Ian Lance Taylor  <iant@google.com>
 199
 200         PR 10450
 201         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 202         flags to PF_R.
 203         (Output_segment::add_output_section): Don't change the flags if
 204         the type is PT_TLS.
 205
 206         PR 10450
 207         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 208         GNU hash table if they need a dynamic value.  Otherwise, don't add
 209         them if they are defined in a dynamic object or are forced local.
 210
 211 2009-12-29  Ian Lance Taylor  <iant@google.com>
 212
 213         PR 10450
 214         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 215         .gnu.hash table for a 32-bit target.
 216
 217         PR 10450
 218         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 219         regular and a dynamic object only needs a dynamic symbol table
 220         entry if it is externally visible.
 221
 222         PR 10450
 223         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 224         constructor.  Add global_offset_table_ field.
 225         (Target_i386::got_section): Set global_offset_table_.
 226         (Target_i386::do_finalize_sections): Set global_offset_table_
 227         size.
 228         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 229         in constructor.  Add global_offset_table_ field.
 230         (Target_x86_64::got_section): Set global_offset_table_.
 231         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 232         size.
 233
 234         * layout.cc (Layout::Layout): Initialize increase_relro_.
 235         (Layout::get_output_section): Add is_relro, is_last_relro, and
 236         is_first_non_relro parameters.  Change all callers.
 237         (Layout::choose_output_section): Likewise.
 238         (Layout::add_output_section_data): Likewise.
 239         (Layout::make_output_section): Likewise.
 240         (Layout::set_segment_offsets): Clear increase_relro when using a
 241         linker script.
 242         * layout.h (class Layout): Add increase_relro method.  Add
 243         increase_relro_ field.  Update declarations.
 244         * output.cc (Output_section::Output_section): Initialize
 245         is_last_relro_ and is_first_non_relro_.
 246         (Output_segment::add_output_section): Group relro sections is
 247         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 248         (Output_segment::maximum_alignment): Remove relro handling.
 249         (Output_segment::set_section_addresses): Add increase_relro
 250         parameter.  Change all callers.  Add initial alignment to align
 251         relro sections on separate page.  Remove old relro handling.
 252         (Output_segment::set_section_list_addresses): Remove in_relro
 253         parameter.  Change all callers.
 254         (Output_segment::set_offset): Add increase parameter.  Change all
 255         callers.  Remove old relro handling.
 256         * output.h (class Output_section): Add new methods: is_last_relro,
 257         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 258         Add is_last_relro_ and is_first_non_relro_ fields.
 259         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 260         Create separate .got.plt section.  Call increase_relro.
 261         * x86_64.cc (Target_x86_64::got_section): Likewise.
 262         * testsuite/relro_script_test.t: Add .got.plt.
 263
 264         PR 10450
 265         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 266         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 267         (Layout::finalize): Call set_dynamic_symbol_size.
 268         (Layout::set_dynamic_symbol_size): New function.
 269         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 270         set_dynamic_symbol_size.
 271
 272         PR 10450
 273         * output.h (class Output_section): Add is_entsize_zero_ field.
 274         * output.cc (Output_section::Output_section): Initialize
 275         is_entsize_zero_.
 276         (Output_section::set_entsize): If two different entsizes are
 277         requested, force it to zero.
 278         (Output_section::add_input_section): Set flags for .debug_str
 279         before updating section flags.  Set entsize.
 280         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 281         and SHF_STRING if all input sections have those flags.
 282
 283 2009-12-29   Rafael Espindola  <espindola@google.com>
 284
 285         * main.cc (main): Fix the sys time reporting.
 286         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 287         reporting.
 288
 289 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 290
 291         * options.cc (General_options::parse_version): Allow -v to exit
 292         without an error if there is nothing to link.
 293
 294 2009-12-29  Ian Lance Taylor  <iant@google.com>
 295
 296         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 297         using a version of gcc before 4.1.
 298         * configure: Rebuild.
 299
 300 2009-12-28  Chris Demetriou  <cgd@google.com>
 301
 302         * attributes.cc (Output_attributes_section_data::do_write): Use
 303         std::vector::front rather than std::vector::data.
 304
 305 2009-12-28  Ian Lance Taylor  <iant@google.com>
 306
 307         * symtab.h (class Symbol_table): Add enum Defined.
 308         * resolve.cc (Symbol_table::should_override): Add defined
 309         parameter.  Change all callers.  Test whether object is NULL
 310         before calling a method on it.
 311         (Symbol_table::report_resolve_problem): Add defined parameter.
 312         Change all callers.
 313         (Symbol_table::should_override_with_special): Likewise.
 314         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 315         parameter.  Change all callers.
 316         (Symbol_table::do_define_in_output_data): Likewise.
 317         (Symbol_table::define_in_output_segment): Likewise.
 318         (Symbol_table::do_define_in_output_segment): Likewise.
 319         (Symbol_table::define_as_constant): Likewise.
 320         (Symbol_table::do_define_as_constant): Likewise.
 321         * script.h (class Symbol_assignment): Add is_defsym parameter to
 322         constructor; change all callers.
 323         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 324         parameter.  Change all callers.  Add is_defsym_ field.
 325         (class Parser_closure): Add parsing_defsym parameter to
 326         constructor; change all callers.  Add parsing_defsym accessor
 327         function.  Add parsing_defsym_ field.
 328
 329 2009-12-28  Ian Lance Taylor  <iant@google.com>
 330
 331         * gold.cc (queue_middle_tasks): Fix formatting.
 332         * object.cc (Relobj::is_section_name_included): Likewise.
 333
 334 2009-12-23  Ian Lance Taylor  <iant@google.com>
 335
 336         * i386.cc (Target_i386::do_calls_non_split): Recognize
 337         -fsplit-stack prologue for a function with a static chain.
 338         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 339         -fsplit-stack prologue when using %r11.
 340
 341 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 342
 343         * options.cc (General_options::parse_version): Make -v continue and do
 344         the link like GNU ld does.
 345
 346 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 347
 348         * Makefile.am (CCFILES): Add timer.cc.
 349         (HFILES): Add timer.h.
 350         * configure.ac: Check for sysconf and times.
 351         * main.cc: include timer.h.
 352         (main): Use Timer instead of get_run_time.
 353         * timer.cc: New.
 354         * timer.h: New.
 355         * workqueue.cc: include timer.h.
 356         (Workqueue::find_and_run_task):
 357         Report user, sys and wall time.
 358         * Makefile.in: Regenerate.
 359         * config.in: Regenerate.
 360         * configure: Regenerate.
 361
 362 2009-12-16  Doug Kwan  <dougkwan@google.com>
 363
 364         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 365         sections.
 366         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 367         relaxed input sections.
 368         * output.cc (Output_section::find_relaxed_input_section): Change
 369         return type to Output_relaxed_input_section pointer.  Adjust code
 370         for new type of relaxed_input_section_map_.
 371         * output.h (Output_section::find_relaxed_input_section): Change
 372         return type to Output_relaxed_input_section pointer.
 373         (Output_section::Output_relaxed_input_section_by_input_section_map):
 374         New type.
 375         (Output_section::relaxed_input_section_map_): Change type to
 376         Output_section::Output_relaxed_input_section_by_input_section_map.
 377         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 378         input section.
 379
 380 2009-12-15  Ian Lance Taylor  <iant@google.com>
 381
 382         * layout.cc (Layout::create_shstrtab): Only write out after input
 383         sections if we are compressing debug sections.
 384
 385 2009-12-15  Ian Lance Taylor  <iant@google.com>
 386
 387         * archive.cc (Archive::add_symbols): Only look up a symbol without
 388         a version if there is, in fact, a version.
 389
 390 2009-12-14  Ian Lance Taylor  <iant@google.com>
 391
 392         Revert -Wshadow changes, all changes from:
 393         2009-12-11  Doug Kwan  <dougkwan@google.com>
 394         2009-12-11  Nick Clifton  <nickc@redhat.com>
 395         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 396
 397 2009-12-11  Doug Kwan  <dougkwan@google.com>
 398
 399         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 400         due to -Wshadow.
 401         * attributes.cc (Object_attribute::size): Ditto.
 402         (Attributes_section_data::size): Ditto.
 403         (Attributes_section_data::Attributes_section_data): Ditto.
 404         (Output_attributes_section_data::do_write): Ditto.
 405         * attributes.h (Object_attribute::set_type): Ditto.
 406         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 407
 408 2009-12-11  Nick Clifton  <nickc@redhat.com>
 409
 410         * archive.cc: Fix shadowed variable warnings.
 411         * arm.cc: Likewise.
 412         * compressed_output.cc: Likewise.
 413         * compressed_output.h: Likewise.
 414         * configure: Likewise.
 415         * dwarf_reader.cc: Likewise.
 416         * dynobj.cc: Likewise.
 417         * dynobj.h: Likewise.
 418         * ehframe.cc: Likewise.
 419         * ehframe.h: Likewise.
 420         * errors.cc: Likewise.
 421         * expression.cc: Likewise.
 422         * fileread.cc: Likewise.
 423         * fileread.h: Likewise.
 424         * freebsd.h: Likewise.
 425         * i386.cc: Likewise.
 426         * icf.cc: Likewise.
 427         * incremental.h: Likewise.
 428         * layout.cc: Likewise.
 429         * layout.h: Likewise.
 430         * mapfile.cc: Likewise.
 431         * merge.cc: Likewise.
 432         * merge.h: Likewise.
 433         * object.cc: Likewise.
 434         * object.h: Likewise.
 435         * options.h: Likewise.
 436         * output.cc: Likewise.
 437         * output.h: Likewise.
 438         * parameters.cc: Likewise.
 439         * plugin.cc: Likewise.
 440         * powerpc.cc: Likewise.
 441         * reduced_debug_output.cc: Likewise.
 442         * reduced_debug_output.h: Likewise.
 443         * reloc.cc: Likewise.
 444         * reloc.h: Likewise.
 445         * resolve.cc: Likewise.
 446         * script-sections.cc: Likewise.
 447         * script.cc: Likewise.
 448         * script.h: Likewise.
 449         * sparc.cc: Likewise.
 450         * symtab.cc: Likewise.
 451         * symtab.h: Likewise.
 452         * target-select.cc: Likewise.
 453         * target-select.h: Likewise.
 454         * token.h: Likewise.
 455         * workqueue.cc: Likewise.
 456         * workqueue.h: Likewise.
 457         * x86_64.cc: Likewise.
 458
 459 2009-12-10  Doug Kwan  <dougkwan@google.com>
 460
 461         * arm.cc (attributes.h): New include.
 462         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 463         (Arm_relobj::~Arm_relobj): Delete object pointed by
 464         attributes_section_data_.
 465         (Arm_relobj::attributes_section_data): New method definition.
 466         (Arm_relobj::attributes_section_data_): New data member declaration.
 467         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 468         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 469         attributes_section_data_.
 470         (Arm_dynobj::attributes_section_data): New method definition.
 471         (Arm_dynobj::attributes_section_data_): New data member declaration.
 472         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 473         initialization value of may_use_blx_ to false.
 474         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 475         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 476         object attributes to compute results instead of hard-coding.
 477         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 478         Target_arm::get_secondary_compatible_arch,
 479         Target_arm::set_secondary_compatible_arch
 480         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 481         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 482         New method declarations.
 483         (Target_arm::get_aeabi_object_attribute): New method definition.
 484         (Target_arm::attributes_section_data_): New data member declaration.
 485         (read_arm_attributes_section): New template definition.
 486         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 487         (Arm_dynobj::do_read_symbols): Ditto.
 488         (Target_arm::do_finalize_sections): Merge attributes sections from
 489         input.  Check for BLX use after attributes section merging.
 490         Fix __exidx_start and __exidx_end visibility.  Create an
 491         .ARM.attributes section if necessary.
 492         (Target_arm::get_secondary_compatible_arch,
 493         Target_arm::set_secondary_compatible_arch,
 494         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 495         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 496         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 497         New method definitions.
 498
 499 2009-12-09  Ian Lance Taylor  <iant@google.com>
 500
 501         * plugin.cc (Plugin::load): Don't cast from void* to a function
 502         pointer.
 503
 504 2009-12-09  Ian Lance Taylor  <iant@google.com>
 505
 506         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 507         information fields.
 508
 509 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 510
 511         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 512         Replace two_file_shared_1.so with two_file_shared_2.so.
 513         * testsuite/Makefile.in: Regenerated.
 514
 515 2009-12-08  Doug Kwan  <dougkwan@google.com>
 516
 517         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 518         (HFILES): Add attributes.h and int_encoding.h.
 519         * Makefile.in: Regenerate.
 520         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 521         function definitions to int_encoding.cc
 522         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 523         prototypes to int_encoding.h
 524         * reduced_debug_output.cc (int_encoding.h): New include.
 525         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 526         function definitions to int_encoding.cc
 527         (insert_into_vector, read_from_pointer): Move template definitions to
 528         int_encoding.h
 529         * attributes.cc: New file.
 530         * attributes.h: New file.
 531         * int_encoding.cc: New file.
 532         * int_encoding.h: New file.
 533
 534 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 535
 536         PR gold/11055
 537         * incremental-dump.cc (dump_incremental_inputs): New.
 538         (main): Use dump_incremental_inputs.
 539
 540 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 541
 542         PR gold/10893
 543         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 544         checking elfcpp::STT_FUNC.
 545         (Target_i386::Relocate::relocate): Likewise.
 546         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 547
 548         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 549         symbols from shared libraries into normal FUNC symbols.
 550
 551         * symtab.h (Symbol): Add is_func and use it.
 552
 553 2009-12-05  Doug Kwan  <dougkwan@google.com>
 554
 555         * arm.cc (Target_arm::arm_info): Initialize new fields
 556         attributes_section and attributes_vendor.
 557         * i386.cc (Target_i386::i386_info): Same.
 558         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 559         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 560         fields attributes_section and attributes_vendor.
 561         * sparc.cc (Target_sparc::sparc_info): Same.
 562         * target.h (Target::attributes_section, Target::attributes_vendor,
 563         Target::is_attributes_section, Target::attribute_arg_type,
 564         Target::attributes_order): New method definitions.
 565         (Target::Target_info::attributes_section,
 566         Target::Target_info::attributes_vendor): New fields.
 567         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 568         virtual method definitions.
 569         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 570         attributes_section and attributes_vendor.
 571         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 572
 573 2009-12-05  Doug Kwan  <dougkwan@google.com>
 574
 575         * arm.cc: Update comments about interworking and stub generation.
 576         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 577         considered as non-PIC.
 578         (Arm_relocate_functions::base_abs): Fix formatting.
 579         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 580         of function to use GOT entry address instead of offset.
 581         (Target_arm::Scan::global): Issue an error if a symbol would need a
 582         PLT does not get one because it is untyped.  Remove code to create
 583         dynamic symbols for relative branches.
 584         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 585         takes unsigned integer instead of boolean.
 586
 587 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 588
 589         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 590         (two_file_test_LDADD): Likewise.
 591         (common_test_1_LDADD): Likewise.
 592         (exception_test_LDADD) Likewise.
 593         (weak_test_LDADD): Likewise.
 594         (many_sections_test_LDADD): Likewise.
 595         (initpri1_LDADD): Likewise.
 596         (script_test_1_LDADD): Likewise.
 597         (script_test_2_LDADD): Likewise.
 598         (justsyms_LDADD): Likewise.
 599         (binary_test_LDADD): Likewise.
 600         (large_LDADD): Likewise.
 601         * testsuite/Makefile.in: Regenerated.
 602
 603 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 604
 605         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 606         (Symbol_table::override_with_special): Likewise.
 607         (Symbol_table::add_from_object): Likewise.
 608
 609 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 610
 611         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 612         Don't set the data_offset twice.
 613
 614 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 615
 616         * testsuite/Makefile.in: Regenerate.
 617
 618 2009-12-03  Doug Kwan  <dougkwan@google.com>
 619
 620         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 621         (Target_arm::do_finalize_sections): Add parameter for symbol table
 622         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 623         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 624         parameter for symbol table pointer.
 625         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 626         an additional parameter for a pointer to symbol table.
 627         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 628         parameter for a symbol table pointer.
 629         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 630         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 631         Ditto.
 632         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 633         parameter for a symbol table pointer.
 634
 635 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 636
 637         * incremental.cc (Incremental_inputs_header)
 638         (Incremental_inputs_header_write, Incremental_inputs_entry)
 639         (Incremental_inputs_entry_write): Move ...
 640         * incremental.h (Incremental_inputs_header)
 641         (Incremental_inputs_header_write, Incremental_inputs_entry)
 642         (Incremental_inputs_entry_write): here.
 643
 644 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 645
 646         * incremental.cc (make_sized_incremental_binary): Set the target.
 647         Error if it is incompatible.
 648         * output.h (Output_file): Add filename method.
 649
 650 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 651
 652         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 653         from the get_* methods.
 654
 655 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 656
 657         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 658         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 659         Write 0 for the data_offset of scripts.
 660
 661 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 662
 663         * testsuite/Makefile.am: Add the incremental_test.sh test.
 664         * testsuite/incremental_test.sh: New.
 665         * testsuite/incremental_test_1.c: New.
 666         * testsuite/incremental_test_2.c: New.
 667
 668 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 669
 670        * incremental-dump.cc (main): Fix typos.
 671
 672 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 673
 674         PR gold/11025
 675         * incremental-dump.cc (main): Use llu to print 64 bit values.
 676
 677 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 678             H.J. Lu  <hongjiu.lu@intel.com>
 679
 680         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 681         $(LIBDL).
 682         (incremental_dump_LDADD): Likewise.
 683         * Makefile.in: Regenerated.
 684
 685 2009-11-25  Doug Kwan  <dougkwan@google.com>
 686
 687         Revert:
 688
 689         2009-11-25  Doug Kwan  <dougkwan@google.com>
 690
 691                 * arm.cc (Target_arm::Target_arm): Move method definition
 692                 outside of class definition.  Add code to handle
 693                 --target1-rel, --target1-abs and --target2= options.
 694                 (Target_arm::get_reloc_reloc_type): Change method to be
 695                 non-static and const.
 696                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 697                 New data member declaration.
 698                 (Target_arm::Scan::local, Target_arm::Scan::global,
 699                 Target_arm::Relocate::relocate,
 700                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 701                 Adjust call to Target_arm::get_real_reloc_type.
 702                 (Target_arm::get_real_reloc_type): Use command line options
 703                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 704                 * options.h (--target1-rel, --target1-abs, --target2): New
 705                 ARM-only options.
 706
 707 2009-11-25  Doug Kwan  <dougkwan@google.com>
 708
 709         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 710         class definition.  Add code to handle --target1-rel, --target1-abs
 711         and --target2= options.
 712         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 713         and const.
 714         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 715         member declaration.
 716         (Target_arm::Scan::local, Target_arm::Scan::global,
 717         Target_arm::Relocate::relocate,
 718         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 719         call to Target_arm::get_real_reloc_type.
 720         (Target_arm::get_real_reloc_type): Use command line options to
 721         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 722         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 723         options.
 724
 725 2009-11-25  Doug Kwan  <dougkwan@google.com>
 726
 727         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 728         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 729         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 730         formatting.
 731         (Arm_relocate_functions::thm_call): Replace body with a call to
 732         Arm_relocate_functions::thumb_branch_common.
 733         (Arm_relocate_functions::thm_jump24,
 734         Arm_relocate_functions::thm_xpc22): New method definitions.
 735         (Arm_relocate_functions::thumb_branch_common): New method definition.
 736         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 737         operator.
 738         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 739         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 740
 741 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 742
 743         * Makefile.am: Build incremental-dump
 744         * Makefile.in: Regenerate.
 745         * incremental-dump.cc: New.
 746         * incremental.cc (Incremental_inputs_header_data,
 747         Incremental_inputs_entry_data): Move to incremental.h
 748         * incremental.h: (Incremental_inputs_header_data,
 749         Incremental_inputs_entry_data): Move from incremental.cc
 750
 751 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 752
 753         * incremental.cc (Incremental_inputs_header,
 754         Incremental_inputs_header_write, Incremental_inputs_entry,
 755         Incremental_inputs_entry_write): Add a typedef with the data type.
 756
 757 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 758
 759         * incremental.cc (Incremental_inputs_header,
 760         Incremental_inputs_header_write, Incremental_inputs_entry,
 761         Incremental_inputs_entry_write): Update comment about which
 762         type has the filed descriptions.
 763
 764 2009-11-15  Doug Kwan  <dougkwan@google.com>
 765
 766         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 767         (Arm_relocate_functions::arm_branch_common): Change method defintion
 768         in class definition to a method declaration and update list of formal
 769         parameters.
 770         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 771         Arm_relocation_functions::jump24): Adjust call to
 772         Arm_relocate_functions::arm_branch_common.  Update list of formal
 773         parameters.
 774         (Arm_relocate_functions::xpc25): New method definition.
 775         (Arm_relocate_functions::arm_branch_common): Move method defintion
 776         out from class definition.  Use stubs for mode-switching and extending
 777         branch ranges.
 778         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 779         specially.  Change code to enable use of stubs in ARM branches.
 780
 781 2009-11-10  Doug Kwan  <dougkwan@google.com>
 782
 783         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 784         in method declaration.
 785         (Target_arm::relocate_stub): New method declaration.
 786         (Target_arm::default_target): Change to return a pointer instead of
 787         a const reference.
 788         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 789         Target_arm::default_target.
 790         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 791         method definition.
 792         (Target_arm::relocate_section): Adjust view.
 793         (Target_arm::relocate_stub): New method definition.
 794
 795 2009-11-10  Doug Kwan  <dougkwan@google.com>
 796
 797         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 798         a format warning.
 799         * incremental.cc (open_incremental_binary): Initialized local
 800         variables to avoid warnings.
 801         * object.cc (make_elf_object): Ditto.
 802         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 803         a format warning.
 804
 805 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         PR gold/10930
 808         * testsuite/plugin_test.c: Include "config.h".
 809
 810 2009-11-09  Doug Kwan  <dougkwan@google.com>
 811
 812         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 813         (arm_symbol_value): Remove.
 814         (Arm_relocate_functions::arm_branch_common,
 815         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 816         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 817         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 818         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 819         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 820         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 821         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 822         Arm_relocate_functions::thm_mobw_abs_nc,
 823         Arm_relocate_functions::thm_mov_abs,
 824         Arm_relocate_functions::movw_prel_nc,
 825         Arm_relocate_functions::thm_movt_abs,
 826         Arm_relocate_functions::movt_prel,
 827         Arm_relocate_functions::thm_movw_prel_nc,
 828         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 829         (Target_arm::Relocate::relocate): Only decompose address into two
 830         parts if relocation type uses the thumb-bit and pass the actual
 831         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 832         calls to methods in Arm_relocate_functions for this change.
 833
 834 2009-11-08  Ian Lance Taylor  <iant@google.com>
 835
 836         PR 10925
 837         * reloc.cc: Instantiate
 838         Sized_relobj::initialize_input_to_output_maps and
 839         Sized_relobj:free_input_to_output_maps.
 840
 841 2009-11-06  Ian Lance Taylor  <iant@google.com>
 842
 843         PR 10876
 844         * defstd.cc (in_segment): Set only_if_ref true for "end".
 845
 846 2009-11-06  Doug Kwan  <dougkwan@google.com>
 847
 848         * arm.cc (class Reloc_stub): Correct a comment.
 849         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 850         (Target_arm::scan_section_for_stubs): New method declaration.
 851         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 852         Change methods from private to protected.
 853         (Target_arm::do_may_relax): New method definition.
 854         (Target_arm::do_relax, Target_arm::group_sections,
 855         Target_arm::scan_reloc_for_stub,
 856         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 857         (Target_arm::arm_input_section_map_): New data member declaration.
 858         (Target_arm::scan_reloc_for_stub,
 859         Target_arm::scan_reloc_section_for_stubs,
 860         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 861         Target_arm::do_relax): New method definitions.
 862
 863 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 864
 865         * configure.ac: Check for (struct stat)::st_mtim
 866         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 867         * config.in: Regenerate.
 868         * configure: Regenerate.
 869
 870 2009-11-05  Ian Lance Taylor  <iant@google.com>
 871
 872         PR 10910
 873         * output.cc (Output_segment::add_output_section): Add missing
 874         return statement.
 875
 876 2009-11-04  Ian Lance Taylor  <iant@google.com>
 877
 878         PR 10880
 879         * object.h (class Object): Add is_needed and set_is_needed
 880         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 881         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 882         defined in a dynamic object and referenced by a regular object,
 883         set is_needed for the dynamic object.
 884         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 885         if the file is marked with as_needed and it is not needed.
 886
 887 2009-11-04  Ian Lance Taylor  <iant@google.com>
 888
 889         PR 10887
 890         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 891         tags if data is discarded by linker script.
 892         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 893         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 894         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 895         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 896
 897 2009-11-04  Ian Lance Taylor  <iant@google.com>
 898
 899         * layout.cc (Layout::get_output_section): Add is_interp and
 900         is_dynamic_linker_section parameters.  Change all callers.
 901         (Layout::choose_output_section): Likewise.
 902         (Layout::make_output_section): Likewise.
 903         (Layout::add_output_section_data): Add is_dynamic_linker_section
 904         parameter.  Change all callers.
 905         * layout.h (class Layout): Update declarations.
 906         * output.h (class Output_section): Add is_interp, set_is_interp,
 907         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
 908         Add is_interp_, is_dynamic_linker_section_ fields.  Change
 909         generate_code_fills_at_write_ to a bitfield.
 910         * output.cc (Output_section::Output_sections): Initialize new
 911         fields.
 912         (Output_segment::add_output_section): Add do_sort parameter.
 913         Change all callers.
 914
 915 2009-11-03  Ian Lance Taylor  <iant@google.com>
 916
 917         PR 10860
 918         * options.h (class General_options): Add --warn-common.
 919         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
 920         merging two common symbols.
 921         (Symbol_table::should_override): Handle --warn-common when merging
 922         a common symbol with a defined symbol.  Use report_resolve_problem
 923         for multiple definitions.
 924         (Symbol_table::report_resolve_problem): New function.
 925         * symtab.h (class Symbol_table): Declare report_resolve_problem.
 926
 927 2009-11-03  Doug Kwan  <dougkwan@google.com>
 928
 929         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
 930         stub_factory_.
 931         (Target_arm::stub_factory): New method definition.
 932         (Target_arm::new_arm_input_section,
 933         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
 934         Target_arm::reloc_uses_thumb_bit): New method declarations.
 935         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
 936         New type definitions.
 937         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
 938         member declarations.
 939         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
 940         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
 941         New method definitions.
 942
 943 2009-11-03  Ian Lance Taylor  <iant@google.com>
 944
 945         * options.h (class General_options): Add --warn_constructors.
 946
 947 2009-11-03  Ian Lance Taylor  <iant@google.com>
 948
 949         PR 10893
 950         * defstd.cc (in_section): Add entries for __rel_iplt_start,
 951         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
 952
 953 2009-11-03  Ian Lance Taylor  <iant@google.com>
 954
 955         PR 10895
 956         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
 957         --msgid-bugs-address.
 958         (install-pdf): New target.
 959         (install-data_yes): Look up one directory to find mkinstalldirs.
 960
 961 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
 962
 963         * po/Make-in (.po.gmo): Don't generate .gmo files in source
 964         tree.
 965
 966 2009-10-30  Doug Kwan  <dougkwan@google.com>
 967
 968         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
 969
 970 2009-10-30  Doug Kwan  <dougkwan@google.com>
 971
 972         * arm.cc (Stub_addend_reader): New struct template definition
 973         and partial specializations.
 974         (Stub_addend_reader::operator()): New method definition for a
 975         partially specialized template.
 976
 977 2009-10-30  Doug Kwan  <dougkwan@google.com>
 978
 979         * arm.cc (Arm_relobj::processor_specific_flags): New method
 980         definition.
 981         (Arm_relobj::do_read_symbols): New method declaration.
 982         (Arm_relobj::processor_specific_flags_): New data member declaration.
 983         (Arm_dynobj): New class definition.
 984         (Target_arm::do_finalize_sections): Add input_objects parameter.
 985         (Target_arm::do_adjust_elf_header): New method declaration.
 986         (Target_arm::are_eabi_versions_compatible,
 987         (Target_arm::merge_processor_specific_flags): New method declaration.
 988         (Target_arm::do_make_elf_object): New overloaded method definitions
 989         and declaration.
 990         (Arm_relobj::do_read_symbols): New method definition.
 991         (Arm_dynobj::do_read_symbols): Ditto.
 992         (Target_arm::do_finalize_sections): Add input_objects parameters.
 993         Merge processor-specific flags from all input objects.
 994         (Target_arm::are_eabi_versions_compatible,
 995         Target_arm::merge_processor_specific_flags,
 996         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
 997         New method definitions.
 998         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
 999         Input_objects pointer type parameter.
1000         * layout.cc (Layout::finalize): Pass input objects to target's.
1001         finalize_sections function.
1002         * output.cc (Output_file_header::do_sized_write): Set ELF file
1003         header's processor-specific flags.
1004         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1005         Input_objects pointer type parameter.
1006         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1007         * target.h (Input_objects): New forward class declaration.
1008         (Target::processor_specific_flags,
1009         Target::are_processor_specific_flags_sect): New method definitions.
1010         (Target::finalize_sections): Add input_objects parameter.
1011         (Target::Target): Initialize processor_specific_flags_ and
1012         are_processor_specific_flags_set_.
1013         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1014         parameter.
1015         (Target::set_processor_specific_flags): New method definition.
1016         (Target::processor_specific_flags_,
1017         Target::are_processor_specific_flags_set_): New data member
1018         declarations.
1019         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1020         Input_objects pointer type parameter.
1021
1022 2009-10-30  Doug Kwan  <dougkwan@google.com>
1023
1024         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1025
1026 2009-10-28  Ian Lance Taylor  <iant@google.com>
1027
1028         * object.h (class Relobj): Drop options parameter from
1029         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1030         do_scan_relocs, do_relocate.  Change all callers.
1031         (class Sized_relobj): Drop options parameters from
1032         do_gc_process_relocs, do_scan_relocs, do_relocate,
1033         do_relocate_sections, relocate_sections, emit_relocs_scan,
1034         emit_relocs_scan_reltype.  Change all callers.
1035         (struct Relocate_info): Remove options field and all references to
1036         it.
1037         * reloc.h (class Read_relocs): Remove options constructor
1038         parameter and options_ field.  Change all callers.
1039         (class Gc_process_relocs, class Scan_relocs): Likewise.
1040         (class Relocate_task): Likewise.
1041         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1042         all callers.
1043         (scan_relocatable_relocs): Likewise.
1044         * target.h (class Sized_target): Remove options parameter from
1045         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1046         all callers.
1047         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1048         callers.
1049         * arm.cc: Update functions to remove options parameters.
1050         * i386.cc: Likewise.
1051         * powerpc.cc: Likewise.
1052         * sparc.cc: Likewise.
1053         * x86_64.cc: Likewise.
1054         * testsuite/testfile.cc: Likewise.
1055
1056 2009-10-28  Doug Kwan  <dougkwan@google.com>
1057
1058         * arm.cc (Arm_relobj): New class definition.
1059         (Arm_relobj::scan_sections_for_stubs,
1060         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1061         New method definitions.
1062
1063 2009-10-28  Cary Coutant  <ccoutant@google.com>
1064
1065         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1066         (Plugin::cleanup_done_): New member.
1067         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1068         (Plugin_manager::cleanup_done_): Remove.
1069         (Plugin_manager::add_input_file): Edit error message.
1070         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1071         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1072
1073 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1074
1075         * fileread.cc: (File_read::View::~View): Use the new
1076         data_ownership_ filed.
1077         (File_read::~File_read): Dispose the new whole_file_view_.
1078         (File_read::open): Mmap the whole file if needed.
1079         (File_read::open): Use whole_file_view_ instead of contents_.
1080         (File_read::find_view): Use whole_file_view_ if applicable.
1081         (File_read::do_read): Use whole_file_view_ instead of contents_.
1082         (File_read::make_view): Use whole_file_view_ instead of contents_,
1083         update File_read::View::View call.
1084         (File_read::find_or_make_view): Update File_read::View::View
1085         call.
1086         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1087         remove contents_
1088         (File_read::View::Data_ownership): New enum.
1089         (File_read::View::View): Replace bool mapped_ with Data_ownership
1090         argument.
1091         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1092         (File_read::View::data_ownership_): New field.
1093         (File_read::contents_): Remove (replaced by whole_file_view_).
1094         (File_read::whole_file_view_): New field.
1095         * options.h (class General_options): Add --keep-files-mapped.
1096
1097 2009-10-27  Cary Coutant  <ccoutant@google.com>
1098
1099         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1100         * testsuite/Makefile.am (plugin_test_5): New test case.
1101         * testsuite/Makefile.in: Regenerate.
1102
1103 2009-10-25  Doug Kwan  <dougkwan@google.com>
1104
1105         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1106         from private to protected to allow access by child class.
1107         (Sized_relobj::do_relocate_sections): New method declaration.
1108         (Sized_relobj::relocate_sections): Virtualize.
1109         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1110         Sized_relobj::relocate_sections.  Instantiate template explicitly
1111         for different target sizes and endianity.
1112
1113 2009-10-24  Doug Kwan  <dougkwan@google.com>
1114
1115         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1116         (Arm_input_section::as_arm_input_section): New method.
1117         (Arm_output_section): New class definition.
1118         (Arm_output_section::create_stub_group,
1119         Arm_output_section::group_sections): New method definitions.
1120
1121 2009-10-22  Doug Kwan  <dougkwan@google.com>
1122
1123         * arm.cc (Arm_input_section): New class definition.
1124         (Arm_input_section::init, Arm_input_section:do_write,
1125         Arm_input_section::set_final_data_size,
1126         Arm_input_section::do_reset_address_and_file_offset): New method
1127         definitions.
1128
1129 2009-10-21  Doug Kwan  <dougkwan@google.com>
1130
1131         * arm.cc (Stub_table, Arm_input_section): New forward class
1132         declarations.
1133         (Stub_table): New class defintion.
1134         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1135         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1136         New method definition.
1137
1138 2009-10-21  Doug Kwan  <dougkwan@google.com>
1139
1140         * arm.cc: Update copyright comments.
1141         (Target_arm): New forward class template declaration.
1142         (Arm_address): New type.
1143         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1144         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1145         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1146         constants.
1147         (Insn_template): Same.
1148         (DEF_STUBS): New macro.
1149         (Stub_type): New enum type.
1150         (Stub_template): New class definition.
1151         (Stub): Same.
1152         (Reloc_stub): Same.
1153         (Stub_factory): Same.
1154         (Target_arm::Target_arm): Initialize may_use_blx_ and
1155         should_force_pic_veneer_.
1156         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1157         Target_arm::should_force_pic_veneer,
1158         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1159         Target_arm::using_thumb_only, Target_arm:;default_target): New
1160         method defintions.
1161         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1162         New data member declarations.
1163         (Insn_template::size, Insn_template::alignment): New method defintions.
1164         (Stub_template::Stub_template): New method definition.
1165         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1166         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1167         (Stub_factory::Stub_factory): New method definition.
1168         * gold.h (string_hash): New template.
1169         * output.h (Input_section_specifier::hash_value): Use
1170         gold::string_hash.
1171         (Input_section_specifier::string_hash): Remove.
1172         * stringpool.cc (Stringpool_template::string_hash): Use
1173         gold::string_hash.
1174
1175 2009-10-20  Doug Kwan  <dougkwan@google.com>
1176
1177         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1178         symbols of relaxed input sections.
1179         * output.h (Output_section::find_relaxed_input_section): Make
1180         method public.
1181
1182 2009-10-16  Doug Kwan  <dougkwan@google.com>
1183
1184         * dynobj.cc (Versions::Versions): Initialize version_script_.
1185         Only insert base version symbol definition for a shared object
1186         if version script defines any version versions.
1187         (Versions::define_base_version): New method definition.
1188         (Versions::add_def): Check that base version is not needed.
1189         (Versions::add_need): Define base version lazily.
1190         * dynobj.h (Versions::define_base_version): New method declaration.
1191         (Versions::needs_base_version_): New data member declaration.
1192         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1193         (check_DATA): Add no_version_test.stdout.
1194         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1195         New make rules.
1196         * testsuite/Makefile.in: Regenerate.
1197         * testsuite/no_version_test.c: New file.
1198         * testsuite/no_version_test.sh: Ditto.
1199
1200 2009-10-16  Doug Kwan  <dougkwan@google.com>
1201
1202         * expression.cc (class Segment_start_expression): New class definition.
1203         (Segment_start_expression::value): New method definition.
1204         (script_exp_function_segment_start): Return a new
1205         Segment_start_expression.
1206         * gold/script-c.h (script_saw_segment_start_expression): New function
1207         prototype.
1208         * script-sections.cc (Script_sections::Script_sections): Initialize
1209         SAW_SEGMENT_START_EXPRESSION_ to false.
1210         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1211         and -Tbbs options to specify section addresses if given in
1212         command line and no SEGMENT_START expression is seen in a script.
1213         * script-sections.h (Script_sections::saw_segment_start_expression,
1214         Script_sections::set_saw_segment_start_expression): New method
1215         definition.
1216         (Script_sections::saw_segment_start_expression_): New data member
1217         declaration.
1218         * script.cc (script_saw_segment_start_expression): New function.
1219         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1220         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1221         script_test_7.sh and script_test_8.sh.
1222         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1223         script_test_8.stdout.
1224         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1225         (script_test_6, script_test_6.stdout, script_test_7,
1226         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1227         * Makefile.in: Regenerate.
1228         * testsuite/script_test_6.sh: New file.
1229         * testsuite/script_test_6.t: Same.
1230         * testsuite/script_test_7.sh: Same.
1231         * testsuite/script_test_7.t: Same.
1232         * testsuite/script_test_8.sh: Same.
1233
1234 2009-10-16  Doug Kwan  <dougkwan@google.com>
1235
1236         * output.cc (Output_segment::set_section_list_address): Cast
1237         expressions to unsigned long long type to avoid format warnings.
1238
1239 2009-10-15  Ian Lance Taylor  <iant@google.com>
1240
1241         * script.cc (Script_options::add_symbol_assignment): Always add a
1242         dot assignment to script_sections_.
1243         * script-sections.cc (Script_sections::add_dot_assignment):
1244         Initialize if necessary.
1245
1246         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1247         program headers with no load segment if there is a linker script.
1248
1249         * layout.cc (Layout::set_segment_offsets): Align the file offset
1250         to the segment aligment for -N or -n with no load segment.
1251         * output.cc (Output_segment::add_output_section): Don't crash if
1252         the first section is a TLS section.
1253         (Output_segment::set_section_list_addresses): Print an error
1254         message if the address moves backward in a linker script.
1255         * script-sections.cc
1256         (Output_section_element_input::set_section_addresses): Don't
1257         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1258         (Orphan_output_section::set_section_addresses): Likewise.
1259
1260 2009-10-15  Doug Kwan  <dougkwan@google.com>
1261
1262         * layout.cc (Layout::finish_dynamic_section): Generate tags
1263         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1264         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1265         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1266
1267 2009-10-14  Ian Lance Taylor  <iant@google.com>
1268
1269         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1270         fields.
1271         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1272         data_shdr fields of relinfo.
1273         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1274         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1275         R_386_TLS_LDO_32, adjust based on section flags.
1276         (Target_i386::Relocate::fix_up_ldo): Remove.
1277
1278 2009-10-13  Ian Lance Taylor  <iant@google.com>
1279
1280         Add support for -pie.
1281         * options.h (class General_options): Add -pie and
1282         --pic-executable.
1283         (General_options::output_is_position_independent): Test -pie.
1284         (General_options::output_is_executable): Return true if not shared
1285         and not relocatable.
1286         (General_options::output_is_pie): Remove.
1287         * options.cc (General_options::finalize): Reject incompatible uses
1288         of -pie.
1289         * gold.cc (queue_middle_tasks): A -pie link is not static.
1290         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1291         * symtab.cc (Symbol::final_value_is_known): Return false if
1292         output_is_position_independent.
1293         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1294         output_is_position_independent.
1295         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1296         output_is_position_independent.
1297         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1298         output_is_position_independent.
1299         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1300         two_file_pie_test.
1301         (basic_pie_test.o, basic_pie_test): New targets.
1302         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1303         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1304         (two_file_pie_test): New target.
1305         * testsuite/Makefile.in: Rebuild.
1306         * README: Remove note saying that -pie is not supported.
1307
1308 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1309
1310         * options.h (class General_options): Add -init and -fini.
1311         * layout.cc (Layout::finish_dynamic_section): Emit
1312         given init and fini functions.
1313
1314 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1315
1316         * gc.h (gc_process_relocs): Check if icf is enabled using new
1317         function.
1318         * gold.cc (queue_initial_tasks): Likewise.
1319         (queue_middle_tasks): Likewise.
1320         * object.cc (do_layout): Likewise.
1321         * symtab.cc (is_section_folded): Likewise.
1322         * main.cc (main): Likewise.
1323         * reloc.cc (Read_relocs::run): Likewise.
1324         (Sized_relobj::do_scan_relocs): Likewise.
1325         * icf.cc (is_function_ctor_or_dtor): New function.
1326         (Icf::find_identical_sections): Check if function is ctor or dtor when
1327         safe icf is chosen.
1328         * options.h (General_options::icf): Change option to be an enum.
1329         (Icf_status): New enum.
1330         (icf_enabled): New method.
1331         (icf_safe_folding): New method.
1332         (set_icf_status): New method.
1333         (icf_status_): New variable.
1334         * (options.cc) (General_options::finalize): Set icf_status_.
1335         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1336         icf_test and icf_keep_unique_test to use the --icf enum flag.
1337         * testsuite/icf_safe_test.sh: New file.
1338         * testsuite/icf_safe_test.cc: New file.
1339
1340 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1341
1342         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1343         includes to gc.h and icf.h.
1344         * arm.cc: Include gc.h.
1345         * gold.cc: Likewise.
1346         * i386.cc: Likewise.
1347         * powerpc.cc: Likewise.
1348         * sparc.cc: Likewise.
1349         * x86_64.cc: Likewise.
1350         * gc.h: Include icf.h.
1351
1352 2009-10-11  Ian Lance Taylor  <iant@google.com>
1353
1354         * plugin.cc: Include "gold.h" before other header files.
1355
1356 2009-10-10  Chris Demetriou  <cgd@google.com>
1357
1358         * options.h (Input_file_argument::Input_file_type): New enum.
1359         (Input_file_argument::is_lib_): Replace with...
1360         (Input_file_argument::type_): New member.
1361         (Input_file_argument::Input_file_argument): Take Input_file_type
1362         'type' rather than boolean 'is_lib' as second argument.
1363         (Input_file_argument::is_lib): Use type_.
1364         (Input_file_argument::is_searched_file): New function.
1365         (Input_file_argument::may_need_search): Handle is_searched_file.
1366         * options.cc (General_options::parse_library): Support -l:filename.
1367         (General_options::parse_just_symbols): Update for Input_file_argument
1368         changes.
1369         (Command_line::process): Likewise.
1370         * archive.cc (Archive::get_file_and_offset): Likewise.
1371         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1372         * script.cc (read_script_file, script_add_file): Likewise.
1373         * fileread.cc (Input_file::Input_file): Likewise.
1374         (Input_file::will_search_for): Handle is_searched_file.
1375         (Input_file::open): Likewise.
1376         * readsyms.cc (Read_symbols::get_name): Likewise.
1377         * testsuite/Makefile.am (searched_file_test): New test.
1378         * testsuite/Makefile.in: Regenerate.
1379         * testsuite/searched_file_test.cc: New file.
1380         * testsuite/searched_file_test_lib.cc: New file.
1381
1382 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1383             Ian Lance Taylor  <iant@google.com>
1384
1385         * descriptor.cc: Include <cstdio> and "binary-io.h".
1386         (Descriptors::open): Open the files in binary mode always.
1387         * script.cc (Lex::get_token): Treat \r as whitespace.
1388
1389 2009-10-09  Ian Lance Taylor  <iant@google.com>
1390
1391         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1392
1393 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1394             Ian Lance Taylor  <iant@google.com>
1395
1396         * configure.ac: Check for readv function also.
1397         * fileread.cc (readv): Define if not HAVE_READV.
1398         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1399         does not exist.
1400         * config.in: Regenerate.
1401         * configure: Regenerate.
1402
1403 2009-10-09  Doug Kwan  <dougkwan@google.com>
1404
1405         * layout.cc (Layout::make_output_section): Call target hook to make
1406         ordinary output section.
1407         (Layout::finalize): Adjust parameter list of call the
1408         Target::may_relax().
1409         * layout.h (class Layout::section_list): New method.
1410         * merge.h (Output_merge_base::entsize): Change visibility to public.
1411         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1412         New methods.
1413         (Output_merge_string::do_is_string): New method.
1414         * object.cc (Sized_relobj::do_setup): renamed from
1415         Sized_relobj::set_up.
1416         * object.h (Sized_relobj::adjust_shndx,
1417         Sized_relobj::initializ_input_to_output_maps,
1418         Sized_relobj::free_input_to_output_maps): Change visibilities to
1419         protected.
1420         (Sized_relobj::setup): Virtualize.
1421         (Sized_relobj::do_setup): New method declaration.
1422         (Sized_relobj::invalidate_section_offset,
1423         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1424         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1425         * options.cc (parse_int): New function.
1426         * options.h (parse_int): New declaration.
1427         (DEFINE_int): New macro.
1428         (stub_group_size): New option.
1429         * output.cc (Output_section::Output_section): Initialize memebers
1430         merge_section_map_, merge_section_by_properties_map_,
1431         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1432         (Output_section::add_input_section): Handled deferred code-fill
1433         generation and remove an old comment.
1434         (Output_section::add_relaxed_input_section): New method definition.
1435         (Output_section::add_merge_input_section): Use merge section by
1436         properties map to speed to search.  Update merge section maps
1437         as appropriate.
1438         (Output_section::build_relaxation_map): New method definition.
1439         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1440         Same.
1441         (Output_section::relax_input_section): Renamed to
1442         Output_section::convert_input_sections_to_relaxed_sections and change
1443         interface to take a vector of pointers to relaxed sections.
1444         (Output_section::find_merge_section,
1445         Output_section::find_relaxed_input_section): New method definitions.
1446         (Output_section::is_input_address_mapped,
1447         Output_section::output_offset, Output_section::output_address):
1448         Use output section data maps to speed up searching.
1449         (Output_section::find_starting_output_address): Add comments.
1450         (Output_section::do_write,
1451         Output_section::write_to_postprocessing_buffer): Do code-fill
1452         generation as appropriate.
1453         (Output_section::get_input_sections): Invalidate relaxed input section
1454         map.
1455         (Output_section::restore_states): Adjust type of checkpoint .
1456         Invalidate relaxed input section map.
1457         * output.h (Output_merge_base): New class declaration.
1458         (Input_section_specifier): New class defintion.
1459         (class Output_relaxed_input_section) Change base class to
1460         Output_section_data_build.
1461         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1462         base class initializer.
1463         (Output_section::add_relaxed_input_section): New method declaration.
1464         (Output_section::Input_section): Change visibility to protected.
1465         (Output_section::Input_section::relobj,
1466         Output_section::Input_section::shndx): Handle relaxed input sections.
1467         Output_section::input_sections) Change visibility to protected.  Also
1468         define overload to return a non-const pointer.
1469         (Output_section::Merge_section_properties): New class defintion.
1470         (Output_section::Merge_section_by_properties_map,
1471         Output_section::Output_section_data_by_input_section_map,
1472         Output_section::Relaxation_map): New types.
1473         (Output_section::relax_input_section): Rename method to
1474         Output_section::convert_input_sections_to_relaxed_sections and change
1475         interface to take a vector of relaxed section pointers.
1476         (Output_section::find_merge_section,
1477         Output_section::find_relaxed_input_section,
1478         Output_section::build_relaxation_map,
1479         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1480         New method declarations.
1481         (Output_section::merge_section_map_
1482         Output_section::merge_section_by_properties_map_,
1483         Output_section::relaxed_input_section_map_,
1484         Output_section::is_relaxed_input_section_map_valid_,
1485         Output_section::generate_code_fills_at_write_): New data members.
1486         * script-sections.cc
1487         (Output_section_element_input::set_section_addresses): Call
1488         current_data_size and addralign methods of relaxed input sections.
1489         (Orphan_output_section::set_section_addresses): Call current_data_size
1490         and addralign methods of relaxed input sections.
1491         * symtab.cc (Symbol_table::compute_final_value): Extract template
1492         from the body of Symbol_table::sized_finalize_symbol.
1493         (Symbol_table::sized_finalized_symbol): Call
1494         Symbol_table::compute_final_value.
1495         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1496         (Symbol_table::compute_final_value): New templated method declaration.
1497         * target.cc (Target::do_make_output_section): New method defintion.
1498         * target.h (Target::make_output_section): New method declaration.
1499         (Target::relax): Add more parameters for input objects, symbol table
1500         and layout.  Adjust call to do_relax.
1501         (Target::do_make_output_section): New method declaration.
1502         (Target::do_relax): Add parameters for input objects, symbol table
1503         and layout.
1504
1505 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1506
1507         * pread.c: Include stdio.h.
1508
1509 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1510
1511         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1512         defined.
1513
1514 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1515
1516         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1517         Change read_shndx type to unsigned int.
1518         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1519         int.
1520         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1521         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1522         Change read_shndx type to unsigned int.
1523         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1524         int.
1525         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1526         * layout.cc (Layout::create_symtab_sections): Cast the result of
1527         local_symcount * symsize to off_t in the gold_assert.
1528
1529 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1530
1531         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1532         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1533         R_ARM_BASE_ABS.
1534         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1535         (Arm_relocate_functions::thm_abs5): New function.
1536         (Arm_relocate_functions::abs12): New function.
1537         (Arm_relocate_functions::abs16): New function.
1538         (Arm_relocate_functions::base_abs): New function.
1539         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1540         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1541         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1542         R_ARM_BASE_ABS.
1543         (Scan::global): Likewise.
1544         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1545         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1546         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1547         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1548         R_ARM_BASE_ABS.
1549
1550 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1551
1552         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1553         (Arm_relocate_functions::movt_prel): New function.
1554         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1555         (Arm_relocate_functions::thm_movt_prel): New function.
1556         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1557         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1558         (Scan::global, Relocate::relocate): Likewise.
1559         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1560
1561 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1562
1563         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1564         Incremental_checker.
1565         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1566         unsigned int.
1567         (class Incremental_inputs_header): New class.
1568         (Incremental_inputs_header_writer): Edit comment.
1569         (Incremental_inputs_entry): New class.
1570         (Incremental_inputs_entry_writer): Edit comment.
1571         (Sized_incremental_binary::do_find_incremental_inputs_section):
1572         Add *strtab_shndx parameter, fill it.
1573         (Sized_incremental_binary::do_check_inputs): New method.
1574         (Incremental_checker::can_incrementally_link_output_file): Use
1575         Sized_incremental_binary::check_inputs.
1576         (Incremental_inputs::report_command_line): Save command line in
1577         command_line_.
1578         * incremental.h:
1579         (Incremental_binary::find_incremental_inputs_section): New
1580         method.
1581         (Incremental_binary::do_find_incremental_inputs_section): Add
1582         strtab_shndx parameter.
1583         (Incremental_binary::do_check_inputs): New pure virtual method.
1584         (Sized_incremental_binary::do_check_inputs): Declare.
1585         (Incremental_checker::Incremental_checker): Add incremental_inputs
1586         parameter, use it to initialize incremental_inputs_.
1587         (Incremental_checker::incremental_inputs_): New field.
1588         (Incremental_checker::command_line): New method.
1589         (Incremental_checker::inputs): New method.
1590         (Incremental_checker::command_line_): New field.
1591
1592 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1593
1594         * incremental.cc: Include <cstdarg> and "target-select.h".
1595         (vexplain_no_incremental): New function.
1596         (explain_no_incremental): New function.
1597         (Incremental_binary::error): New method.
1598         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1599         method.
1600         (make_sized_incremental_binary): New function.
1601         (open_incremental_binary): New function.
1602         (can_incrementally_link_file): Add checks if output is ELF and has
1603         inputs section.
1604         * incremental.h: Include "elfcpp_file.h" and "output.h".
1605         (Incremental_binary): New class.
1606         (Sized_incremental_binary): New class.
1607         (open_incremental_binary): Declare.
1608         * object.cc (is_elf_object): Use
1609         elfcpp::Elf_recognizer::is_elf_file.
1610         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1611         * output.h (Output_file::filesize): New method.
1612
1613 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1614
1615         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1616         New function.
1617         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1618         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1619         function.
1620         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1621         function.
1622         (Arm_relocate_functions::movw_abs_nc): New function.
1623         (Arm_relocate_functions::movt_abs): New function.
1624         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1625         (Arm_relocate_functions::thm_movt_abs): New function.
1626         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1627         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1628         (Scan::global): Likewise.
1629         (Relocate::relocate): Likewise.
1630         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1631
1632 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1633
1634         * arm.cc (Arm_relocate_functions::got_prel) New function.
1635         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1636         (Relocate::relocate): Likewise.
1637         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1638
1639 2009-10-06  Ian Lance Taylor  <iant@google.com>
1640
1641         * options.h (class General_options): Define
1642         split_stack_adjust_size parameter.
1643         * object.h (class Object): Add uses_split_stack_ and
1644         has_no_split_stack_ fields.  Add uses_split_stack and
1645         has_no_split_stack accessor functions.  Declare
1646         handle_split_stack_section.
1647         (class Reloc_symbol_changes): Define.
1648         (class Sized_relobj): Define Function_offsets.  Declare
1649         split_stack_adjust, split_stack_adjust_reltype, and
1650         find_functions.
1651         * object.cc (Object::handle_split_stack_section): New function.
1652         (Sized_relobj::do_layout): Call handle_split_stack_section.
1653         * dynobj.cc (Sized_dynobj::do_layout): Call
1654         handle_split_stack_section.
1655         * reloc.cc (Sized_relobj::relocate_sections): Call
1656         split_stack_adjust for executable sections in split_stack
1657         objects.  Pass reloc_map to relocate_section.
1658         (Sized_relobj::split_stack_adjust): New function.
1659         (Sized_relobj::split_stack_adjust_reltype): New function.
1660         (Sized_relobj::find_functions): New function.
1661         * target-reloc.h: Include "object.h".
1662         (relocate_section): Add reloc_symbol_changes parameter.  Change
1663         all callers.
1664         * target.h (class Target): Add calls_non_split method.  Declare
1665         do_calls_non_split virtual method.  Declare match_view and
1666         set_view_to_nop.
1667         * target.cc: Include "elfcpp.h".
1668         (Target::do_calls_non_split): New function.
1669         (Target::match_view): New function.
1670         (Target::set_view_to_nop): New function.
1671         * gold.cc (queue_middle_tasks): Give an error if mixing
1672         split-stack and non-split-stack objects with -r.
1673         * i386.cc (Target_i386::relocate_section): Add
1674         reloc_symbol_changes parameter.
1675         (Target_i386::do_calls_non_split): New function.
1676         * x86_64.cc (Target_x86_64::relocate_section): Add
1677         reloc_symbol_changes parameter.
1678         (Target_x86_64::do_calls_non_split): New function.
1679         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1680         parameter.
1681         * powerpc.cc (Target_powerpc::relocate_section): Add
1682         reloc_symbol_changes parameter.
1683         * sparc.cc (Target_sparc::relocate_section): Add
1684         reloc_symbol_changes parameter.
1685         * configure.ac: Call AM_CONDITIONAL for the default target.
1686         * configure: Rebuild.
1687         * testsuite/Makefile.am (TEST_AS): New variable.
1688         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1689         (check_DATA): Add split_i386 and split_x86_64 files.
1690         (SPLIT_DEFSYMS): Define.
1691         (split_i386_[1234n].o): New targets.
1692         (split_i386_[124]): New targets.
1693         (split_i386_[1234r].stdout): New targets.
1694         (split_x86_64_[1234n].o): New targets.
1695         (split_x86_64_[124]): New targets.
1696         (split_x86_64_[1234r].stdout): New targets.
1697         (MOSTLYCLEANFILES): Add new executables.
1698         * testsuite/split_i386.sh: New file.
1699         * testsuite/split_x86_64.sh: New file.
1700         * testsuite/split_i386_1.s: New file.
1701         * testsuite/split_i386_2.s: New file.
1702         * testsuite/split_i386_3.s: New file.
1703         * testsuite/split_i386_4.s: New file.
1704         * testsuite/split_i386_n.s: New file.
1705         * testsuite/split_x86_64_1.s: New file.
1706         * testsuite/split_x86_64_2.s: New file.
1707         * testsuite/split_x86_64_3.s: New file.
1708         * testsuite/split_x86_64_4.s: New file.
1709         * testsuite/split_x86_64_n.s: New file.
1710         * testsuite/testfile.cc (Target_test): Update relocation_section
1711         function.
1712         * testsuite/Makefile.in: Rebuild.
1713
1714 2009-10-06  Ian Lance Taylor  <iant@google.com>
1715
1716         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1717         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1718         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1719         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1720         the address on ldo_addrs_.
1721         (Target_i386::Relocate::fix_up_ldo): New function.
1722
1723 2009-10-06   Rafael Espindola  <espindola@google.com>
1724
1725         * plugin.cc (add_input_library): New.
1726         (Plugin::load): Add add_input_library to tv.
1727         (Plugin_manager::add_input_file): Add the is_lib argument.
1728         (add_input_file): Update call to Plugin_manager::add_input_file.
1729         (add_input_library): New.
1730         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1731
1732 2009-09-30  Doug Kwan  <dougkwan@google.com>
1733
1734         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1735         symbol and call Symbol::may_need_copy_reloc to determine if
1736         a copy reloc is needed.
1737         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1738         nocopyreloc is given in command line.
1739         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1740         given in command line.
1741         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1742         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1743         of the removed Target_i386::may_need_copy_reloc.
1744         * options.h (copyreloc): New option with default value false.
1745         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1746         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1747         instead of the removed Target_powerpc::may_need_copy_reloc.
1748         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1749         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1750         instead of the removed Target_sparc::may_need_copy_reloc.
1751         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1752         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1753         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1754         instead of the removed Target_x86_64::may_need_copy_reloc.
1755
1756 2009-09-30  Ian Lance Taylor  <iant@google.com>
1757
1758         * object.h (class Object): Remove target_ field, and target,
1759         sized_target, and set_target methods.
1760         (Object::sized_target): Remove.
1761         (class Sized_relobj): Update declarations.  Remove sized_target.
1762         * object.cc (Sized_relobj::setup): Remove target parameter.
1763         Change all callers.
1764         (Input_objects::add_object): Don't do anything with the target.
1765         (make_elf_sized_object): Add punconfigured parameter.  Change all
1766         callers.  Set or test parameter target.
1767         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1768         Change all callers.
1769         * parameters.cc (Parameters::set_target): Change parameter type to
1770         be non-const.
1771         (Parameters::default_target): Remove.
1772         (set_parameters_target): Change parameter type to be non-const.
1773         (parameters_force_valid_target): New function.
1774         (parameters_clear_target): New function.
1775         * parameters.h (class Parameters): Update declarations.  Remove
1776         default_target method.  Add sized_target and clear_target
1777         methods.  Change target_ to be non-const.
1778         (set_parameters_target): Update declaration.
1779         (parameters_force_valid_target): Declare.
1780         (parameters_clear_target): Declare.
1781         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1782         as NULL if we aren't searching.
1783         (Add_symbols::run): Don't check for compatible target.
1784         * fileread.cc (Input_file::open_binary): Call
1785         parameters_force_valid_target.
1786         * gold.cc (queue_middle_tasks): Likewise.
1787         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1788         set_target on object.
1789         * dynobj.h (class Sized_dynobj): Update declarations.
1790         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1791         make_elf_object returns NULL.
1792         (Archive::include_member): Don't check whether object target is
1793         compatible.
1794         * output.cc (Output_section::add_input_section): Get target from
1795         parameters.
1796         (Output_section::relax_input_section): Likewise.
1797         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1798         parameters.
1799         (Sized_relobj::do_scan_relocs): Likewise.
1800         (Sized_relobj::relocate_sections): Likewise.
1801         * resolve.cc (Symbol_table::resolve): Likewise.
1802         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1803         parameter.  Change all callers.
1804         (Symbol_table::add_from_object): Get target from parameters.
1805         (Symbol_table::add_from_relobj): Don't check object target.
1806         (Symbol_table::add_from_dynobj): Likewise.
1807         (Symbol_table::define_special_symbol): Get target from
1808         parameters.
1809         * symtab.h (class Symbol_table): Update declaration.
1810         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1811         parameter.  Change all callers.  Clear parameter target.
1812         (Binary_test): Test target here.
1813         * testsuite/object_unittest.cc (gold_testsuite): Remove
1814         target_test_pointer parameter.  Change all callers.
1815         (Object_test): Test target here.
1816
1817 2009-09-26  Ian Lance Taylor  <iant@google.com>
1818
1819         * testsuite/initpri1.c: Don't try to use constructor priorities if
1820         compiling with gcc before 4.3.
1821
1822 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1823
1824         * testsuite/retain_symbols_file_test.sh (check_present): Change
1825         output file name to retain_symbols_file_test.stdout.
1826         (check_absent): Likewise.
1827
1828 2009-09-18  Craig Silverstein  <csilvers@google.com>
1829
1830         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1831         * options.cc: Include <cerrno> and <fstream>.
1832         (General_options::finalize): Parse -retain-symbols-file tag.
1833         * options.h: New flag.
1834         (General_options): New method should_retain_symbol, new
1835         variable symbols_to_retain.
1836         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1837         should_retain_symbol map.
1838         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1839         * testsuite/Makefile.in: Regenerate.
1840         * testsuite/retain_symbols_file_test.sh: New file.
1841
1842 2009-09-18  Nick Clifton  <nickc@redhat.com>
1843
1844         * po/es.po: Updated Spanish translation.
1845
1846 2009-09-17  Doug Kwan  <dougkwan@google.com>
1847
1848         * debug.h (DEBUG_RELAXATION): New constant.
1849         (DEBUG_ALL): Add DEBUG_RELAXATION.
1850         (debug_string_to_enum): Add relaxation debug option.
1851         * layout.cc
1852         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1853         Layout::Relaxation_debug_check::read_sections,
1854         Layout::Relaxation_debug_check::read_sections): New method definitions.
1855         (Layout::Layout): Initialize data members
1856         record_output_section_data_from_scrips_,
1857         script_output_section_data_list_ and relaxation_debug_check_.
1858         (Layout::save_segments, Layout::restore_segments,
1859         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1860         Layout::relaxation_loop_body): New method definitions.
1861         (Layout::finalize): Support relaxation.  Move section layout code to
1862         Layout::relaxation_loop_body.
1863         (Layout::set_asection_address_from_script): Move code for orphan
1864         section placement out.
1865         (Layout::place_orphan_sections_in_script): New method definition.
1866         * layout.h (Output_segment_headers, Output_file_header):
1867         New forward class declarations.
1868         (Layout::~Layout): Define.
1869         (Layout::new_output_section_data_from_script): New method definition.
1870         (Layout::place_orphan_sections_in_script): New method declaration.
1871         (Layout::Segment_states): New type declaration.
1872         (Layout::save_segments, Layout::restore_segments,
1873         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1874         Layout::relaxation_loop_body): New method declarations.
1875         (Layout::Output_section_data_list): New type declaration.
1876         (Layout::Relaxation_debug_check): New class definition.
1877         (Layout::record_output_section_data_from_script_,
1878         Layout::script_output_section_data_list_, Layout::segment_states_,
1879         Layout::relaxation_debug_check_): New data members.
1880         * output.cc: (Output_section_headers::do_size): New method definition.
1881         (Output_section_headers::Output_section_headers): Move size
1882         computation to Output_section_headers::do_size.
1883         (Output_segment_headers::do_size): New method definition.
1884         (Output_file_header::Output_file_header): Move size computation to
1885         Output_file_header::do_size and call it.
1886         (Output_file_header::do_size): New method definition.
1887         (Output_data_group::Output_data_group): Adjust call to
1888         Output_section_data.
1889         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1890         (Output_symtab_xindex::do_write): Add array bound check.
1891         (Output_section::Input_section::print_to_mapfile): Handle
1892         RELAXED_INPUT_SECTION_CODE.
1893         (Output_section::Output_section): Initialize data member checkpoint_.
1894         (Output_section::~Output_section): Delete checkpoint object pointed
1895         by checkpoint_.
1896         (Output_section::add_input_section): Always add an Input_section if
1897         relaxing.
1898         (Output_section::add_merge_input_section): Add assert.
1899         (Output_section::relax_input_section): New method definition.
1900         (Output_section::set_final_data_size): Set load address to zero for
1901         an unallocated section.
1902         (Output_section::do_address_and_file_offset_have_reset_values):
1903         New method definition.
1904         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1905         Handle relaxed input section.
1906         (Output_section::sort_attached_input_sections): Checkpoint input
1907         section list lazily.
1908         (Output_section::get_input_sections): Change type of input_sections to
1909         list of Simple_input_section pointers.  Checkpoint input section list
1910         lazily.  Also handle relaxed input sections.
1911         (Output_section::add_input_section_for_script): Take a reference to
1912         a Simple_input_section object instead of Relobj pointer and section
1913         index as parameter.  Handle relaxed input sections.
1914         (Output_section::save_states, Output_section::restore_states): New
1915         method definitions.
1916         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1917         (Output_data::is_data_size_fixed): New method definition.
1918         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1919         if it is fixed.
1920         (Output_data::address_and_file_offset_have_reset_values): New method
1921         definition.
1922         (Output_data::do_address_and_file_offset_have_reset_values): New method
1923         definition.
1924         (Output_data::set_data_size): Check that data size is not fixed.
1925         (Output_data::fix_data_size): New method definition.
1926         (Output_data::is_data_size_fixed_): New data member.
1927         (Output_section_headers::set_final_data_size): New method definition.
1928         (Output_section_headers::do_size): New method declaration.
1929         (Output_segment_headers::set_final_data_size): New method definition.
1930         (Output_segment_headers::do_size): New method declaration.
1931         (Output_file_header::set_final_data_size)::New method definition.
1932         (Output_file_header::do_size)::New method declaration.
1933         (Output_section_data::Output_section_data): Add new parameter
1934         is_data_size_fixed and use it to fix data size.
1935         (Output_data_const::Output_data_const): Adjust call to base class
1936         constructor and fix data size.
1937         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1938         base class constructor and fix data size.
1939         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1940         base class constructor and fix data size.
1941         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1942         class constructor and fix data size.
1943         (Output_data_group::set_final_data_size): New method definition.
1944         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1945         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1946         class constructor and fix data size.
1947         (Output_relaxed_input_section): New class definition.
1948         (Output_section::Simple_input_section): New class definition.
1949         (Output_section::get_input_sections): Adjust parameter list.
1950         (Output_section::add_input_section_for_script): Same.
1951         (Output_section::save_states, Output_section::restore_states,
1952         Output_section::do_address_and_file_offset_have_reset_values,
1953         (Output_section::Input_section::Input_section): Handle
1954         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1955         Output_relaxed_input_section.
1956         (Output_section::Input_section::is_input_section,
1957         Output_section::Input_section::set_output_section): Handle relaxed
1958         input section.
1959         (Output_section::Input_section::is_relaxed_input_section,
1960         Output_section::Input_section::output_section_data,
1961         Output_section::Input_section::relaxed_input_section): New method
1962         definitions.
1963         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1964         value.
1965         (Output_section::Input_section::u1_): Update comments.
1966         (Output_section::Input_section::u2_): Add new union member poris.
1967         (Output_section::Checkpoint_output_section): New classs definition.
1968         (Output_section::relax_input_section): New method declaration.
1969         (Output_section::checkpoint_): New data member.
1970         (Output_segment): Update comments.
1971         (Output_segment::Output_segment): Un-privatize copy constructor.
1972         (Output_segment::operator=): Un-privatize.
1973         * script-sections.cc (Output_section_element::Input_section_list):
1974         Change element type to Output_section::Simple_input_section.
1975         (Output_section_element_dot_assignment::set_section_addresses):
1976         Register output section data for relaxation clean up.
1977         (Output_data_exression::Output_data_expression): Adjust call to base
1978         constructor to fix data size.
1979         (Output_section_element_data::set_section_addresses): Register
1980         Output_data_expression object for relaxation clean up.
1981         (struct Input_section_info): Replace Relobj pointer and section index
1982         pair with Output_section::Simple_input_section and Convert struct to a
1983         class.
1984         (Input_section_sorter::operator()): Adjust access to
1985         Input_section_info data member to use accessors.
1986         (Output_section_element_input::set_section_addresses): Use layout
1987         parameter.  Adjust code to use Output_section::Simple_input_section
1988         and Input_secction_info classes.  Register filler for relaxation
1989         clean up.
1990         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1991         and section index pair with Output_section::Simple_input_section
1992         class.  Adjust code accordingly.
1993         (Phdrs_element::release_segment): New method definition.
1994         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1995         segment list.
1996         (Script_sections::release_segments): New method definition.
1997         * gold/script-sections.h (Script_sections::release_segments): New
1998         method declaration.
1999         * gold/target.h (Target::may_relax, Target::relax,
2000         Target::do_may_relax, Target::do_relax): New method definitions.
2001
2002 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2003
2004         * arm.cc (has_signed_unsigned_overflow): New function.
2005         (Arm_relocate_functions::abs8): New function.
2006         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2007         (Target_arm::Scan::global): Likewise.
2008         (Target_arm::relocate::relocate): Likewise.
2009         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2010         Likewise.
2011
2012 2009-09-16  Cary Coutant  <ccoutant@google.com>
2013
2014         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2015         * testsuite/Makefile.in: Regenerate.
2016
2017 2009-09-11  Nick Clifton  <nickc@redhat.com>
2018
2019         * po/gold.pot: Updated by the Translation project.
2020
2021 2009-09-08  Cary Coutant  <ccoutant@google.com>
2022
2023         * output.cc (Output_file::open): Add execute permission to empty file.
2024         * testsuite/Makefile.am (permission_test): New test.
2025         * testsuite/Makefile.in: Regenerate.
2026
2027 2009-09-02  Ian Lance Taylor  <iant@google.com>
2028
2029         * output.cc (Output_file::resize): Call map_no_anonymous rather
2030         than map.
2031
2032 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2033
2034         * gold.cc: Include "incremental.h".
2035         (queue_initial_tasks): Call Incremental_checker methods.
2036         * incremental.cc: Include "output.h".
2037         (Incremental_checker::can_incrementally_link_output_file): New
2038         method.
2039         * incremental.h (Incremental_checker): New class.
2040
2041         * output.cc (Output_file::open_for_modification): New method.
2042         (Output_file::map_anonymous): Changed return type to bool.  Record
2043         map in base_ field.
2044         (Output_file::map_no_anonymous): New method, broken out of map.
2045         (Output_file::map): Use map_no_anonymous and map_anonymous.
2046         * output.h (class Output_file): Update declarations.
2047
2048 2009-08-24  Cary Coutant  <ccoutant@google.com>
2049
2050         * options.h (Command_line::Pre_options): New class.
2051         (Command_line::pre_options): New member.
2052         * options.cc (gold::options::ready_to_register): New variable.
2053         (One_option::register_option): Do nothing if not registering options.
2054         Assert if same short option registered twice.
2055         (General_options::General_options): Turn off option registration when
2056         done constructing.
2057         (Command_line::Pre_options::Pre_options): New constructor.
2058
2059 2009-08-24  Cary Coutant  <ccoutant@google.com>
2060
2061         * options.h (General_options::no_keep_memory): Remove incorrect
2062         short option.
2063
2064 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2065
2066         * Makefile.am (am__skiplex, am__skipyacc): New.
2067         * Makefile.in: Regenerate.
2068
2069 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2070
2071         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2072         (INCLUDES): ... this.
2073         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2074         (AM_CPPFLAGS): Renamed from ...
2075         (INCLUDE): ... this.
2076         * Makefile.in, testsuite/Makefile.in: Regenerate.
2077
2078         * Makefile.in: Regenerate.
2079         * aclocal.m4: Likewise.
2080         * config.in: Likewise.
2081         * configure: Likewise.
2082         * testsuite/Makefile.in: Likewise.
2083
2084         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2085         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2086         * Makefile.in: Regenerate.
2087         * testsuite/Makefile.in: Regenerate.
2088
2089 2009-08-19  Cary Coutant  <ccoutant@google.com>
2090
2091         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2092         symbols in shared libraries overridden by hidden or internal symbols
2093         in the main program.
2094
2095 2009-08-19  Chris Demetriou  <cgd@google.com>
2096
2097         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2098         checking source file names in error messages.
2099
2100 2009-08-18  Doug Kwan  <dougkwan@google.com>
2101
2102         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2103         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2104         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2105         an elfcpp::Ehdr as parameter.
2106         * object.cc (Object::set_target): Remove the version that looks up
2107         a target and sets it.
2108         (Sized_relobj::setup): Take a Target object instead of
2109         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2110         (make_elf_sized_object): Find target and ask target to
2111         make an ELF object.
2112         * object.h: (Object::set_target): Remove the version that looks up
2113         a target and sets it.
2114         (Sized_relobj::setup): Take a Target object instead of
2115         an elfcpp:Ehdr as parameter.
2116         * target.cc: Include dynobj.h.
2117         (Target::do_make_elf_object_implementation): New.
2118         (Target::do_make_elf_object): New.
2119         * target.h (Target::make_elf_object): New template declaration.
2120         (Target::do_make_elf_object): New method declarations.
2121         (Target::do_make_elf_object_implementation): New template declaration.
2122
2123 2009-08-14  Ian Lance Taylor  <iant@google.com>
2124
2125         * gold.h (FUNCTION_NAME): Define.
2126         (gold_unreachable): Use FUNCTION_NAME.
2127
2128 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2129
2130         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2131         symbol in the --keep-unique list is not found.
2132
2133 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2134
2135         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2136         been maked as --keep-unique.
2137         (Icf::unfold_section): New function.
2138         * icf.h (Icf::unfold_section): New function.
2139         * options.h (General_options::keep_unique): New option.
2140         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2141         * testsuite/Makefile.in: Regenerate.
2142         * testsuite/icf_keep_unique_test.sh: New file.
2143         * testsuite/icf_keep_unique_test.cc: New file.
2144
2145 2009-08-12  Cary Coutant  <ccoutant@google.com>
2146
2147         PR 10471
2148         * resolve.cc (Symbol_table::resolve): Check for references from
2149         dynamic objects to hidden and internal symbols.
2150         * testsuite/Makefile.am (hidden_test.sh): New test.
2151         * testsuite/Makefile.in: Regenerate.
2152         * testsuite/hidden_test.sh: New script.
2153         * testsuite/hidden_test_1.c: New test source.
2154         * testsuite/hidden_test_main.c: New test source.
2155
2156 2009-08-11  Doug Kwan  <dougkwan@google.com>
2157
2158         * arm.cc: Update comments.
2159         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2160         segment to locate the .ARM.exidx section if present.
2161
2162 2009-08-09  Doug Kwan  <dougkwan@google.com>
2163
2164         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2165         patch.
2166
2167 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2168         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2169         compiler warnings.
2170
2171 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2172
2173         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2174         valid tls_segment only for non-debug-section relocations.
2175         * testsuite/Makefile.am: Add gc_tls_test.
2176         * testsuite/Makefile.in: Regenerate.
2177         * testsuite/gc_tls_test.cc: New file.
2178         * testsuite/gc_tls_test.sh: New file.
2179
2180 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2181
2182         * icf.cc: New file.
2183         * icf.h: New file.
2184         * Makefile.am (CCFILES): Add icf.cc.
2185         (HFILES): Add icf.h
2186         * Makefile.in: Regenerate.
2187         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2188         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2189         section, symbol and addend information for the relocs.
2190         * gold.cc (queue_middle_tasks): Call identical code folding.
2191         * gold.h: Add defines for multimap.
2192         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2193         to the call of finalize_local_symbols.
2194         * main.cc (main): Create object of class Icf.
2195         * object.cc (Sized_relobj::do_layout): Allow this function to be
2196         called twice during icf.
2197         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2198         to sections marked as identical by icf.
2199         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2200         when available.
2201         (Sized_relobj::do_section_entsize): New function.
2202         * object.h (Object::section_entsize): New function.
2203         (Object::do_section_entsize): New pure virtual function.
2204         (Relobj::finalize_local_symbols): Add new parameter.
2205         (Relobj::do_section_entsize): New function.
2206         * options.h (General_options::icf): New option.
2207         (General_options::icf_iterations): New option.
2208         (General_options::print_icf_sections): New option.
2209         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2210         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2211         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2212         icf.
2213         * symtab.cc (Symbol_table::is_section_folded): New function.
2214         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2215         to sections marked as identical by icf.
2216         * symtab.h (Symbol_table::set_icf): New function.
2217         (Symbol_table::icf): New function.
2218         (Symbol_table::is_section_folded): New function.
2219         (Symbol_table::icf_): New data member.
2220         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2221         * testsuite/Makefile.am: Add commands to build icf_test.
2222         * testsuite/Makefile.in: Regenerate.
2223         * testsuite/icf_test.sh: New file.
2224         * testsuite/icf_test.cc: New file.
2225
2226 2009-07-24  Chris Demetriou  <cgd@google.com>
2227
2228         * layout.cc (is_compressible_debug_section): Fix incorrect
2229         comment about compressed section names.
2230
2231 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2232
2233         PR 10419
2234         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2235
2236 2009-07-16  Ian Lance Taylor  <iant@google.com>
2237
2238         PR 10400
2239         * layout.h: #include <map>.
2240         (class Kept_section): Change from struct to class.  Add accessors
2241         and setters.  Add section size to Comdat_group mapping.  Change
2242         Comdat_group to std::map.  Add is_comdat_ field.  Add
2243         linkonce_size field in union.
2244         (class Layout): Update declaration of find_or_add_kept_section.
2245         Don't declare find_kept_object.
2246         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2247         parameter.  Add object, shndx, is_comdat, and is_group_name
2248         parameters.  Change all callers.  Adjust for new Kept_section.
2249         (Layout::find_kept_object): Remove.
2250         * object.cc (Sized_relobj::include_section_group): Update use of
2251         Kept_section.  Rename secnum to shndx.  Only record
2252         Kept_comdat_section if sections are the same size.
2253         (Sized_relobj::include_linkonce_section): Update use of
2254         Kept_section.  Only record Kept_comdat_section if sections are the
2255         same size.  Set size of linkonce section.
2256         (Sized_relobj::map_to_kept_section): Update call to
2257         get_kept_comdat_section.
2258         * object.h (class Sized_relobj): Rename fields in
2259         Kept_comdat_section to drop trailing underscores; change object
2260         field to Relobj*.  Change Kept_comdat_section_table to store
2261         struct rather than pointer.
2262         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2263         Add kept_object and kept_shndx parameters.  Change all callers.
2264         (Sized_relobj::get_kept_comdat_section): Change return type to
2265         bool.  Add kept_object and kept_shndx parameters.  Change all
2266         callers.
2267         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2268         Layout::find_or_add_kept_section.
2269
2270 2009-07-09  Ian Lance Taylor  <iant@google.com>
2271
2272         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2273         Reserve space in the hash table.
2274
2275 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2276
2277         * fileread.cc (File_read::get_mtime): New method.
2278         * fileread.h (Timespec): New structure.
2279         (File_read::get_mtime): New method.
2280         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2281         Renamed from timestamp_nsec.
2282         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2283         Elf_Xword.
2284         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2285         timestamp_nsec.
2286         (Incremental_inputs::report_archive): Save mtime; style fix.
2287         (Incremental_inputs::report_obejct): Save mtime; style fix.
2288         (Incremental_inputs::report_script): Save mtime; style fix.
2289         (Incremental_inputs::finalize_inputs): Style fix.
2290         (Incremental_inputs::finalize): Style fix.
2291         (Incremental_inputs::create_input_section_data): Store inputs
2292         mtime.
2293         * incremental.h (Incremental_inputs::report_script): Add mtime
2294         argument.
2295         (Incremental_inputs::Input_info::Input_info): Intialize only one
2296         union member.
2297         (Incremental_inputs::Input_info::archive): Move to nameless
2298         union.
2299         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2300         (Incremental_inputs::Input_info::script): Move to nameless union.
2301         (Incremental_inputs::mtime): New field.
2302         * script.cc (read_input_script): Pass file mtime to
2303         Incremental_input.
2304         * script.h (Script_info::inputs): Style fix.
2305
2306 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2307
2308         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2309         instead of 32.
2310
2311 2009-06-24  Ian Lance Taylor  <iant@google.com>
2312
2313         PR 10156
2314         * layout.cc (Layout::choose_output_section): If we find an
2315         existing section, update the flags.
2316         (Layout::create_notes): New function, broken out of
2317         Layout::finalize.
2318         (Layout::finalize): Don't create note sections.
2319         (Layout::create_note): Don't crash if linker script discards
2320         section.
2321         (Layout::create_gold_note): Likewise.
2322         (Layout::create_build_id): Likewise.  Don't set
2323         after_input_sections on the section.
2324         (Layout::create_executable_stack_info): Remove target parameter.
2325         Change caller.
2326         * layout.h (class Layout): Declare create_notes.  Update
2327         declaration of create_executable_stack_info.
2328         * gold.cc (queue_middle_tasks): Call create_notes.
2329         * output.cc (Output_section::update_flags_for_input_section): Move
2330         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2331         invalid.
2332         * output.h (Output_data::mark_address_invalid): New function.
2333         (class Output_section): Only declare, not define,
2334         update_flags_for_input_section.  Remove set_flags.
2335
2336 2009-06-24  Ian Lance Taylor  <iant@google.com>
2337
2338         * script-sections.cc (Output_section_definition::
2339         set_section_addresses): Rename shadowing local load_address to
2340         laddr.
2341
2342 2009-06-24  Ian Lance Taylor  <iant@google.com>
2343
2344         PR 10244
2345         * reloc.cc (relocate_sections): Skip empty relocation sections.
2346
2347 2009-06-23  Ian Lance Taylor  <iant@google.com>
2348
2349         PR 10156
2350         * layout.cc (Layout::create_note): Use choose_output_section
2351         rather than make_output_section.
2352
2353 2009-06-23  Ian Lance Taylor  <iant@google.com>
2354
2355         PR 10237
2356         * options.cc (General_options::parse_V): Set printed_version_.
2357         (General_options::General_options): Initialize printed_version_.
2358         * options.h (class General_options): Add printed_version_ field.
2359         * gold.cc (queue_initial_tasks): If there are no input files,
2360         don't give a fatal error if we printed the version information.
2361         (queue_middle_tasks): If using -r with a shared object, give a
2362         fatal error rather than an ordinary error.
2363
2364 2009-06-23  Ian Lance Taylor  <iant@google.com>
2365
2366         PR 10219
2367         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2368         (Layout::make_output_section): Set have_stabstr_section_ if we see
2369         a .stab*str section.
2370         (Layout::finalize): Call link_stabs_sections.
2371         (Layout::link_stabs_sections): New file.
2372         * layout.h (class Layout): Add have_stabstr_section_ field.
2373         Declare link_stabs_sections.
2374
2375 2009-06-23  Doug Kwan  <dougkwan@google.com>
2376
2377         * Makefile.am (libgold_a_LIBADD): New.
2378         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2379         * Makefile.in: Regenerate.
2380         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2381         * configure: Regenerate.
2382         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2383         * fileread.cc: Include sys/state.h
2384         * gold.h: Declare memmem and strndup if found missing.
2385         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2386
2387 2009-06-23  Ian Lance Taylor  <iant@google.com>
2388
2389         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2390         * configure: Rebuild.
2391
2392 2009-06-23  Ian Lance Taylor  <iant@google.com>
2393
2394         PR 10147
2395         * object.cc (Object::section_contents): Don't try to get a view if
2396         the section has length zero.
2397         (Object::handle_gnu_warning_section): If the section is empty, use
2398         the name of the section as the warning.
2399
2400 2009-06-23  Ian Lance Taylor  <iant@google.com>
2401
2402         PR 10133
2403         * stringpool.h (class Stringpool_template): Add optimize_ field.
2404         (Stringpool_template::set_optimize): New function.
2405         * stringpool.cc (Stringpool_template::Stringpool_template):
2406         Initialize optimize_ field.
2407         (Stringpool_template::set_string_offsets): Test local optimize
2408         fild rather than parameter.
2409         * layout.cc (Layout::Layout): Call set_optimize on the section
2410         name stringpool.
2411
2412 2009-06-22  Ian Lance Taylor  <iant@google.com>
2413
2414         PR 10030
2415         * yyscript.y: Parse TARGET.
2416         * script.cc (script_set_target): New function.
2417         * script-c.h (script_set_target): Declare.
2418         * options.cc (General_options::string_to_object_format): Rename
2419         from string_to_object_format in anonymous namespace.  Change
2420         callers.
2421         * options.h (class General_options): Declare
2422         string_to_object_format.
2423
2424 2009-06-22  Ian Lance Taylor  <iant@google.com>
2425
2426         * script-sections.cc (Script_sections::create_segments): Don't put
2427         program headers in a PT_LOAD segment if -n or -N.
2428
2429 2009-06-22  Ian Lance Taylor  <iant@google.com>
2430
2431         PR 10141
2432         * options.h (class General_options): Add -z lazy and -z now.  Sort
2433         -z options into alphabetical order.
2434         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2435
2436 2009-06-21  Ian Lance Taylor  <iant@google.com>
2437
2438         * layout.cc (Layout::make_output_section): Call
2439         Target::new_output_section.
2440         (Layout::attach_allocated_section_to_segment): Put large section
2441         sections in a separate load segment with the large segment flag
2442         set.
2443         (Layout::segment_precedes): Sort large data segments after other
2444         load segments.
2445         (align_file_offset): New static function.
2446         (Layout::set_segment_offsets): Use align_file_offset.
2447         * output.h (class Output_section): Add is_small_section_ and
2448         is_large_section_ fields.
2449         (Output_section::is_small_section): New function.
2450         (Output_section::set_is_small_section):  New function.
2451         (Output_section::is_large_section): New function.
2452         (Output_section::set_is_large_section): New function.
2453         (Output_section::is_large_data_section): New function.
2454         (class Output_segment): Add is_large_data_segment_ field.
2455         (Output_segment::is_large_data_segment): New function.
2456         (Output_segment::set_is_large_data_segment): New function.
2457         * output.cc (Output_section::Output_section): Initialize new
2458         fields.
2459         (Output_segment::Output_segment): Likewise.
2460         (Output_segment::add_output_section): Add assertion that large
2461         data sections always go in large data segments.  Force small data
2462         sections to the end of the list of data sections.  Force small BSS
2463         sections to the start of the list of BSS sections.  For large BSS
2464         sections to the end of the list of BSS sections.
2465         * symtab.h (class Symbol): Declare is_common_shndx.
2466         (Symbol::is_defined): Check Symbol::is_common_shndx.
2467         (Symbol::is_common): Likewise.
2468         (class Symbol_table): Define enum Commons_section_type.  Update
2469         declarations.  Add small_commons_ and large_commons_ fields.
2470         * symtab.cc (Symbol::is_common_shndx): New function.
2471         (Symbol_table::Symbol_table): Initialize new fields.
2472         (Symbol_table::add_from_object): Put small and large common
2473         symbols in the right list.
2474         (Symbol_table::sized_finalized_symbol): Check
2475         Symbol::is_common_shndx.
2476         (Symbol_table::sized_write_globals): Likewise.
2477         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2478         common symbol lists.  Don't call do_allocate_commons_list if the
2479         list is empty.
2480         (Symbol_table::do_allocate_commons_list): Remove is_tls
2481         parameter.  Add comons_section_type parameter.  Change all
2482         callers.  Handle small and large common symbols.
2483         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2484         Symbol::is_common_shndx.
2485         * resolve.cc (symbol_to_bits): Likewise.
2486         * target.h (Target::small_common_shndx): New function.
2487         (Target::small_common_section_flags): New function.
2488         (Target::large_common_shndx): New function.
2489         (Target::large_common_section_flags): New function.
2490         (Target::new_output_section): New function.
2491         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2492         small_common_section_flags, and large_common_section_flags
2493         fields.
2494         (Target::do_new_output_section): New virtual function.
2495         * arm.cc (Target_arm::arm_info): Initialize new fields.
2496         * i386.cc (Target_i386::i386_info): Likewise.
2497         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2498         Likewise.
2499         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2500         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2501         (Target_x86_64::do_new_output_section): New function.
2502         * configure.ac: Define conditional MCMODEL_MEDIUM.
2503         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2504         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2505         (large_LDFLAGS): Define.
2506         * testsuite/large.c: New file.
2507         * testsuite/testfile.cc (Target_test::test_target_info):
2508         Initialize new fields.
2509         * configure, testsuite/Makefile.in: Rebuild.
2510
2511 2009-06-05  Doug Kwan  <dougkwan@google.com>
2512
2513         * Makefile.am (CCFILES): Add target.cc.
2514         * Makefile.in: Regenerate.
2515         * i386.cc (class Target_i386): Define new virtual method to
2516         override do_is_local_label_name in parent.
2517         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2518         local symbols if --discard-locals or -X is given.
2519         * options.h (class General_options): Declare new options
2520         '--discard-locals' and '-X' for discarding locals.
2521         * target.h (class Target): Define new methods is_local_label_name.
2522         Declare new virtual method do_is_local_label_name.
2523         * target.cc: New file.
2524         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2525         (check_SCRIPTS): Add discard_locals_test.sh.
2526         (check_DATA): Add discard_local_tests.syms.
2527         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2528         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2529         * testsuite/Makefile.in: Regenerate.
2530         * testsuite/discard_locals_test.c: New file.
2531         * testsuite/discard_locals_test.sh: Same.
2532
2533 2009-06-05  Doug Kwan  <dougkwan@google.com>
2534
2535         * object.cc (Sized_relobj::Sized_relobj): Initialize
2536         discarded_eh_frame_shndx_ to -1U.
2537         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2538         section.
2539         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2540         a discarded .eh_frame section.
2541         (Sized_relobj::do_finalize_local_symbols): Ditto.
2542         * object.h (class Sized_relobj): Declare new member
2543         discarded_eh_frame_shndx_.
2544         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2545         (local_labels_test.o, local_labels_test): New rules.
2546         * testsuite/Makefile.in: Regenerate.
2547
2548 2009-06-04  Doug Kwan  <dougkwan@google.com>
2549
2550         * layout.cc (Layout::section_name_mapping): Add mapping for
2551         special ARM sections.
2552
2553 2009-06-03  Doug Kwan  <dougkwan@google.com>
2554
2555         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2556         (utils::has_overflow): Same.
2557
2558 2009-06-03  Ian Lance Taylor  <iant@google.com>
2559
2560         * layout.cc (Layout::section_name_mapping): New array, replacing
2561         Layout::linkonce_mapping.
2562         (Layout::section_name_mapping_count): New variable, replacing
2563         Layout::linkonce_mapping_count.
2564         (Layout::linkonce_output_name): Remove.
2565         (Layout::output_section_name): Rewrite.
2566         * layout.h (class Layout): Rename Linkonce_mapping to
2567         Section_name_mapping, linkonce_mapping to section_name_mapping,
2568         linkonce_mapping_count to section_name_mapping_count.  Don't
2569         declare linkonce_output_name.
2570
2571 2009-06-03  Doug Kwan  <dougkwan@google.com>
2572
2573         * gold/arm.cc (namespace utils): New.
2574         (Target_arm::reloc_is_non_pic): Define new method.
2575         (class Arm_relocate_functions): New.
2576         (Target_arm::Relocate::relocate): Handle relocation types used by
2577         Android.
2578
2579 2009-06-03  Ian Lance Taylor  <iant@google.com>
2580
2581         * arm.cc (Target_arm::scan::global): Use || instead of |.
2582
2583 2009-06-02  Doug Kwan  <dougkwan@google.com>
2584
2585         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2586         issued_non_pic_error_.
2587         (class Target_arm::Scan): Declare new method check_non_pic.
2588         Define new method symbol_needs_plt_entry.
2589         Declare new data member issued_non_pic_error_.
2590         (class Target_arm::Relocate): Declare new method
2591         should_apply_static_reloc.
2592         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2593         (Target_arm::Scan::check_non_pic): Define new method.
2594         (Target_arm::Scan::local): Handle a small subset of reloc types used
2595         by Android.
2596         (Target_arm::Scan::local): Same.
2597         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2598
2599 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2600
2601         * incremental.cc (Incremental_inputs::report_command_line): Filter
2602         out --incremental-* options.
2603
2604 2009-05-29  Doug Kwan  <dougkwan@google.com>
2605
2606         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2607         template class.
2608         (class Target_arm): Update comment.
2609         (Target_arm::Target_arm): Initialize new data members GOT_,
2610         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2611         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2612         and Target_arm::rel_dyn_section.
2613         Declare new_enum Target_arm::Got_type.
2614         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2615         and DYNBSS_.
2616         Update commments for member do_dynsym_value.
2617         (Target_arm::got_size, Target_arm::plt_section,
2618         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2619         new methods inside class defintion.
2620         (Target_arm::got_section): Define new method.
2621         (Target_arm::rel_dyn_section): Same.
2622         (Output_data_plt_arm): New template class.
2623         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2624         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2625         (Output_data_plt_arm::add_entry): Same.
2626         (Output_data_plt_arm::first_plt_entry): Define new
2627         static data member for PLT instruction template.
2628         (Output_data_plt_arm::plt_entry): Same.
2629         (Output_data_plt_arm::do_write): Define new method.
2630         (Target_arm::make_plt_entry): Same.
2631         (Target_arm::do_finalize_sections): Same.
2632         (Target_arm::do_dynsym_value): Same.
2633
2634 2009-05-28  Doug Kwan  <dougkwan@google.com>
2635
2636         * Makefile.am (TARGETSOURCES): Add arm.cc.
2637         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2638         * Makefile.in: Regenerate.
2639         * arm.cc: New file.
2640         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2641
2642 2009-05-26  Doug Kwan  <dougkwan@google.com>
2643
2644         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2645         (General_options::check_excluded_libs): Strip off directories in
2646         archive name before matching like GNU ld does.
2647         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2648         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2649         (exclude_libs_test_LDFLAGS): Add linker option
2650         -Wl,--exclude-libs,libexclude_libs_test_3
2651         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2652         an explicit archive without using -l.
2653         (alt/libexclude_libs_test_3.a): New make rule.
2654         * testsuite/Makefile.in: Regenerate.
2655         * testsuite/exclude_libs_test.c : Declare lib3_default().
2656         (main): Call it.
2657         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2658         * exclude_libs_test_3.c: New file.
2659
2660 2009-05-26  Nick Clifton  <nickc@redhat.com>
2661
2662         * po/id.po: New Indonesian translation.
2663         * po/gold.pot: Updated template file.
2664
2665 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2666
2667         * testsuite/Makefile.am: Add -ffunction-sections to compile
2668         gc_comdat_test files.  Add -Wl,--gc-sections to build
2669         gc_comdat_test.
2670         * testsuite/Makefile.in: Regenerate.
2671         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2672
2673 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2674
2675         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2676         kept comdat section was garbage collected.
2677         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2678         * testsuite/Makefile.in: Regenerate.
2679         * testsuite/gc_comdat_test.sh: New file.
2680         * testsuite/gc_comdat_test_1.cc: New file.
2681         * testsuite/gc_comdat_test_2.cc: New file.
2682
2683 2009-05-19  Doug Kwan  <dougkwan@google.com>
2684
2685         * archive.cc (Archive::Archive): Move constructor from archive.h
2686         to here.  Initialize no_export_.
2687         (Archive::get_elf_object_for_member): Set no_export flag of object.
2688         * archive.h (Archive::Archive): Move constructor body to
2689         archive.cc.
2690         (Archive::no_export): New method.
2691         (Archive::no_export_): New field.
2692         * object.h (Object::Object): Initialize no_export_ to false.
2693         (Object::no_export, Object::set_no_export): New methods.
2694         (Object::no_export_): New field.
2695         * options.cc (General_options::parse_exclude_libs): New method.
2696         (General_options::check_excluded_libs) Same.
2697         * options.h (exclude_libs): New option.
2698         (General_options::check_excluded_libs): New method declaration.
2699         (General_options::excluded_libs_): New field.
2700         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2701         default or protected visibility if an object has no-export flag set.
2702         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2703         (check_SCRIPTS): Add exclude_libs_test.sh.
2704         (check_DATA): Add exclude_libs_test.syms.
2705         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2706         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2707         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2708         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2709         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2710         libexclude_libs_test_2.a): New rules.
2711         * testsuite/Makefile.in: Regenerate.
2712         * testsuite/exclude_libs_test.c: New file.
2713         * testsuite/exclude_libs_test.sh: Ditto.
2714         * testsuite/exclude_libs_test_1.c: Ditto.
2715         * testsuite/exclude_libs_test_2.c: Ditto.
2716
2717 2009-05-15  Ian Lance Taylor  <iant@google.com>
2718
2719         * configure.ac: Check for declarations for cases where libiberty.h
2720         checks HAVE_DECL_xxx.
2721         * configure, config.in: Rebuild.
2722
2723 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2724
2725         * gold.h (Incremental_argument_list): Remove (invalid) forward
2726         declaration.
2727         * incremental.cc (Incremental_inputs::report_achive): New method.
2728         (Incremental_inputs::report_object): New method.
2729         (Incremental_inputs::report_script): New method.
2730         (Incremental_inputs::finalize_inputs): New method.
2731         (Incremental_inputs::finalize): Call finalize_inputs().
2732         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2733         Create inputs entries.
2734         * incremental.h (Incremental_input_type): New enum.
2735         (Incremental_inputs::Incremental_input): Initialize new fields.
2736         (Incremental_inputs::report_inputs): New method.
2737         (Incremental_inputs::report_achive): New method.
2738         (Incremental_inputs::report_object): New method.
2739         (Incremental_inputs::report_script): New method.
2740         (Incremental_inputs::finalize_inputs): New method.
2741         (Incremental_inputs::Input_info): New struct.
2742         (Incremental_inputs::Input_info_map): New typedef.
2743         (Incremental_inputs::lock_): New field.
2744         (Incremental_inputs::Inputs_): New field.
2745         (Incremental_inputs::Inputs_map): New field.
2746         * main.cc (main): Call Incremental_input::report_inputs.
2747         * options.h (Input_argument_list): Typedef moved from
2748         Input_arguments.
2749         (Input_file_group::Files): Remove, use ::Input_argument_list.
2750         (Input_file_group::Input_argument_list): Remove, use
2751         ::Input_argument_list.
2752         * plugin.cc (Plugin_manager::add_input_file): Add error in
2753         incremental build.
2754         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2755         functions.
2756         * script.cc (read_input_script): Call
2757         Incremental_input::report_script.
2758         * script.h (Script_info): New class.
2759
2760 2009-04-27  Ian Lance Taylor  <iant@google.com>
2761
2762         * x86_64.cc (do_adjust_output_section): Set entsize to
2763         plt_entry_size.
2764
2765 2009-04-23  Elliott Hughes  <enh@google.com>
2766
2767         * output.cc (Output_file::close): After short writes, continue
2768         writing from the correct offset in the buffer being written.
2769
2770 2009-04-23  Chris Demetriou  <cgd@google.com>
2771
2772         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2773         * configure: Regenerate.
2774         * config.in: Regenerate.
2775         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2776         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2777
2778 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2779
2780         * incremental.cc (Incremental_inputs_header_data): Renamed from
2781         Incremental_input_header_data.
2782         (Incremental_inputs_header_data::data_size): New field.
2783         (Incremental_inputs_header_data::put_input_file_count): Renamed
2784         from input_file_count.
2785         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2786         from command_line_offset.
2787         (Incremental_inputs_header_data::put_reserved): Renamed from
2788         put_reserved.
2789         (Incremental_inputs_entry_data): Renamed from
2790         Incremental_input_entry_data.
2791         (Incremental_inputs_entry_data::data_size): New field.
2792         (Incremental_inputs::report_command_line): New method.
2793         (Incremental_inputs::finalize): New method.
2794         (Incremental_inputs::create_incremental_inputs_data): New method.
2795         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2796         * incremental.h: New file.
2797         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2798        (Layout::finalize): Create incremental inputs section in
2799         incremental builds.
2800        (Layout::create_incremental_info_sections): New method.
2801         * layout.h (Layout::incremental_inputs): New method.
2802        (Layout::create_incremental_info_sections): New method.
2803        (Layout::incremental_inputs_): New field.
2804         * main.cc (main): Notify Incremental_input of the command line.
2805
2806 2009-04-01  Ian Lance Taylor  <iant@google.com>
2807             Mikolaj Zalewski  <mikolajz@google.com>
2808
2809         * gold.h (reserve_unordered_map): Define, three versions, one for
2810         each version of Unordered_map.
2811         * layout.cc (Layout::Layout): Remove options parameter.  Add
2812         number_of_input_files parameter.  Don't initialize options_.
2813         Initialize number_of_input_files_ and resized_signatures_.  Move
2814         sections_are_attached_.
2815         (Layout::layout_group): Reserve space for group_signatures_.
2816         (Layout::find_or_add_kept_section): Change name parameter to be a
2817         reference.  Resize signatures_ map when it gets large enough.
2818         (Layout::layout_eh_frame): Use parameters->options() instead of
2819         this->options_.
2820         (Layout::make_output_section): Likewise.
2821         (Layout::attach_allocated_section_to_segment): Likewise.
2822         (Layout::finalize, Layout::create_executable_stack): Likewise.
2823         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2824         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2825         * layout.h (class Layout): Update declarations.  Remove options_
2826         field.  Add number_of_input_files_ and resized_signatures_
2827         fields.  Move sections_are_attached_ field.
2828         * main.cc (main): Pass number of input files to Layout
2829         constructor.  Don't pass options.
2830
2831 2009-03-30  Ian Lance Taylor  <iant@google.com>
2832
2833         * ffsll.c (ffsll): Correct implementation.
2834
2835 2009-03-27  Ian Lance Taylor  <iant@google.com>
2836
2837         * ffsll.c: New file.
2838         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2839         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2840         * ftruncate.c (ftruncate): Declare before definition.
2841         * mremap.c (mremap): Likewise.
2842         * pread.c (pread): Likewise.
2843         * configure, Makefile.in, config.in: Rebuild.
2844
2845         * mremap.c: New file.
2846         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2847         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2848         (mremap): Declare if HAVE_MREMAP is not defined.
2849         * configure, Makefile.in, config.in: Rebuild.
2850
2851 2009-03-27  Cary Coutant  <ccoutant@google.com>
2852
2853         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2854         position independent.
2855         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2856         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2857
2858 2009-03-24  Cary Coutant  <ccoutant@google.com>
2859
2860         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2861         an executable.
2862         (needs_dynamic_reloc): Likewise.
2863
2864 2009-03-24  Ian Lance Taylor  <iant@google.com>
2865
2866         * yyscript.y (file_cmd): Recognize EXTERN.
2867         (extern_name_list, extern_name_list_body): New nonterminals.
2868         * script.cc (script_add_extern): Define.
2869         * script-c.h (script_add_extern): Declare.
2870
2871 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2872
2873         * object.cc (is_elf_object): Define.
2874         * object.h (is_elf_object): Declare.
2875         * archive.cc (Archive::get_elf_object_for_member): Call
2876         is_elf_object.
2877         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2878
2879 2009-03-24  Elliott Hughes  <enh@google.com>
2880
2881         * output.cc (Output_file::map_anonymous): Define.
2882         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2883         try an anonymous one.  Report the size if the mmap fails.
2884         * output.h (class Output_file): Declare map_anonymous.
2885
2886 2009-03-24  Ian Lance Taylor  <iant@google.com>
2887
2888         * target-select.cc (instantiate_target): Don't acquire the lock if
2889         the instantiated_target_ field has already been set.
2890
2891 2009-03-23  Ian Lance Taylor  <iant@google.com>
2892
2893         * gold-threads.h (class Initialize_lock): Define.
2894         * gold-threads.cc (class Initialize_lock_once): Define.
2895         (initialize_lock_control): New static variable.
2896         (initialize_lock_pointer): New static variable.
2897         (initialize_lock_once): New static function.
2898         (Initialize_lock::Initialize_lock): Define.
2899         (Initialize_lock::initialize): Define.
2900         * target-select.h: Include "gold-threads.h".
2901         (class Target_selector): Add lock_ and initialize_lock_ fields.
2902         Don't define instantiate_target, just declare it.
2903         * target-select.cc (Target_selector::Target_selector): Initialize
2904         new fields.
2905         (Target_selector::instantiate_target): Define.
2906         * descriptors.h: Include "gold-threads.h".
2907         (class Descriptors): Add initialize_lock_ field.
2908         * descriptors.cc (Descriptors::Descriptors): Initialize new
2909         field.
2910         (Descriptors::open): Use initialize_lock_ field
2911         * errors.h (class Errors): Add initialize_lock_ field.
2912         * errors.cc (Errors::Errors): Initialize new field.
2913         (Errors::initialize_lock): Use initialize_lock_ field.
2914         * powerpc.cc (class Target_selector_powerpc): Remove
2915         instantiated_target_ field.  In do_recognize call
2916         instantiate_target rather than do_instantiate_target.  In
2917         do_instantiate_target just allocate a new target.
2918         * sparc.cc (class Target_selector_sparc): Likewise.
2919
2920         * freebsd.h: New file.
2921         * i386.cc: Include "freebsd.h".
2922         (Target_i386): Derive from Target_freebsd rather than
2923         Sized_target.
2924         (Target_selector_i386): Derive from Target_selector_freebsd rather
2925         than Target_selector.
2926         * x86_64.cc: Include "freebsd.h".
2927         (Target_x86_64): Derive from Target_freebsd rather than
2928         Sized_target.
2929         (Target_selector_x86_64): Derive from Target_selector_freebsd
2930         rather than Target_selector.
2931         * target.h (class Target): Add adjust_elf_header and
2932         do_adjust_elf_header.
2933         * output.cc (Output_file_header:: do_sized_write): Call target
2934         adjust_elf_header routine.
2935         * configure.tgt: Set targ_osabi.
2936         * configure.ac: Define GOLD_DEFAULT_OSABI.
2937         * parameters.cc (Parameters::default_target): Pass
2938         GOLD_DEFAULT_OSABI to select_target.
2939         * target-select.h (class Target_selector): Make instantiate_target
2940         protected rather than private.
2941         * Makefile.am (HFILES): Add freebsd.h.
2942         * configure, Makefile.in, config.in: Rebuild.
2943
2944         * merge.cc (do_add_input_section): Correct pend value.  Change
2945         message about last entry not being null terminated from error to
2946         warning.
2947
2948 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2949
2950         * incremental.cc: New file.
2951         * Makefile.am (CCFILES): Add incremental.cc.
2952         * Makefile.in: Rebuild.
2953
2954 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2955
2956         * layout.cc (Layout::output_section_name): Preserve names
2957         of '.note.' sections.
2958
2959 2009-03-19  Ian Lance Taylor  <iant@google.com>
2960
2961         * descriptors.cc (Descriptors::open): Check that the options are
2962         valid before using them.
2963
2964 2009-03-18  Ian Lance Taylor  <iant@google.com>
2965
2966         * script-sections.h: Include <list>.
2967         (class Script_sections): Change Sections_elements from std::vector
2968         to std::list.  Typedef public Elements_iterator.  Add
2969         orphan_section_placement_, data_segment_align_start_, and
2970         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2971         field.
2972         * script-sections.cc (class Orphan_section_placement): New class.
2973         (class Sections_element): Add virtual functions is_relro and
2974         orphan_section_init.  Remove virtual function place_orphan_here.
2975         (class Output_section_definition): Add is_relro and
2976         orphan_section_init.  Remove place_orphan_here.
2977         (class Orphan_output_section): Likewise.
2978         (Script_sections::Script_sections): Update for field changes.
2979         (Script_sections::data_segment_align): Set saw_data_segment_align_
2980         and data_segment_align_start_, not data_segment_align_index.
2981         (Script_sections::data_segment_relro_end): Check
2982         saw_data_segment_align_.  Use data_segment_align_start_ rather
2983         than data_segment_align_index_.
2984         (Script_sections::place_orphan): Rewrite to use
2985         Orphan_section_placement.
2986
2987 2009-03-17  Ian Lance Taylor  <iant@google.com>
2988
2989         * archive.cc (Archive::add_symbols): Check for a version attached
2990         to the symbol name in the archive map.
2991         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2992         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2993         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2994         (ver_test_11.a): New target.
2995         * testsuite/Makefile.in: Rebuild.
2996
2997         * configure.ac: Check for chsize and posix_fallocate.  Replace
2998         ftruncate.
2999         * ftruncate.c: New file, from gnulib.
3000         * output.cc (posix_fallocate): Define dummy version if not
3001         HAVE_POSIX_FALLOCATE.
3002         (Output_file::map): Call posix_fallocate rather than lseek and
3003         write.
3004         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3005         * configure, Makefile.in, config.in: Rebuild.
3006
3007 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3008
3009         * layout.h (Layout::create_note): Add section_name parameter.
3010         * layout.cc (Layout::create_note): Likewise.
3011         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3012
3013 2009-03-17  Ian Lance Taylor  <iant@google.com>
3014
3015         * descriptors.cc: Include "options.h".
3016         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3017         (Descriptors::open): Always use O_CLOEXEC when opening a new
3018         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3019         then set FD_CLOEXEC.
3020
3021         * sparc.cc (class Target_sparc): Add has_got_section.
3022         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3023         make sure we have a GOT section.
3024
3025         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3026         (Target_sparc::Scan::local): Likewise.
3027         (Target_sparc::Scan::global): Likewise.
3028         (Target_sparc::Relocate::relocate): Likewise.
3029         (Target_sparc::Relocate::relocate_tls): Likewise.
3030
3031         * symtab.cc (Symbol_table::define_default_version): New function,
3032         broken out of add_from_object.
3033         (Symbol_table::add_from_object): Call define_default_version.
3034         (Symbol_table::define_special_symbol): Add resolve_oldsym
3035         parameter.  Change all callers.  If the version for a symbol comes
3036         from a version script, resolve it with the symbol with the same
3037         name with no version.  Also add the symbol without a version if
3038         appropriate.
3039         (do_define_in_output_data): If resolving with oldsym, don't delete
3040         sym.
3041         (do_define_in_output_segment): Likewise.
3042         (do_define_as_constant): Likewise.
3043         * symtab.h (class Symbol_table): Update declarations.
3044
3045 2009-03-13  Ian Lance Taylor  <iant@google.com>
3046
3047         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3048         (Read_symbols::requeue): New function.
3049         (Read_symbols::do_read_symbols): If make_elf_object fails because
3050         the target type is not configured, and the file was searched for,
3051         issue a warning and retry with the next directory.
3052         (Add_symbols::run): If the file has an incompatible format, and
3053         it was searched for, requeue the Read_symbols task.  On error,
3054         release the object.
3055         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3056         dirindex parameter to constructor.  Change all callers.  Declare
3057         incompatible_warning and requeue.
3058         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3059         input_argument_ and input_group_ fields.  Add them to
3060         constructor.  Change all callers.
3061         (class Read_script): Add dirindex_ field.  Add it to constructor.
3062         Change all callers.
3063         * archive.cc (Archive::setup): Remove input_objects parameter.
3064         Change all callers.
3065         (Archive::get_file_and_offset): Likewise.
3066         (Archive::read_all_symbols): Likewise.
3067         (Archive::read_symbols): Likewise.
3068         (Archive::get_elf_object_for_member): Remove input_objects
3069         parameter.  Add punconfigured parameter.  Change all callers.
3070         (Archive::add_symbols): Change return type to bool.  Check return
3071         value of include_member.
3072         (Archive::include_all_members): Likewise.
3073         (Archive::include_member): Change return type to bool.  Return
3074         false if first included object has incompatible target.  Set
3075         included_member_ field.
3076         (Add_archive_symbols::run): If add_symbols returns false, requeue
3077         Read_symbols task.
3078         * archive.h (class Archive): Add included_member_ field.
3079         Initialize it in constructor.  Add input_file and searched_for
3080         methods.  Update declarations.
3081         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3082         input_argument_ fields.  Add them to constructor.  Change all
3083         callers.
3084         * script.cc: Include "target-select.h".
3085         (class Parser_closure): Add skip_on_incompatible_target_ and
3086         found_incompatible_target_ fields.  Add
3087         skip_on_incompatible_target parameter to constructor.  Change all
3088         callers.  Add methods skip_on_incompatible_target,
3089         clear_skip_on_incompatible_target, found_incompatible_target, and
3090         set_found_incompatible_target.
3091         (read_input_script): Add dirindex parameter.  Change all callers.
3092         If parser finds an incompatible target, requeue Read_symbols
3093         task.
3094         (script_set_symbol): Clear skip_on_incompatible_target in
3095         closure.
3096         (script_add_assertion, script_parse_option): Likewise.
3097         (script_start_sections, script_add_phdr): Likewise.
3098         (script_check_output_format): New function.
3099         * script.h (read_input_script): Update declaration.
3100         * script-c.h (script_check_output_format): Declare.
3101         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3102         (ignore_cmd): Remove OUTPUT_FORMAT.
3103         * fileread.cc (Input_file::Input_file): Add explicit this.
3104         (Input_file::will_search_for): New function.
3105         (Input_file::open): Add pindex parameter.  Change all callers.
3106         * fileread.h (class Input_file): Add input_file_argument method.
3107         Declare will_search_for.  Update declarations.
3108         * object.cc (make_elf_object): Add punconfigured parameter.
3109         Change all callers.
3110         * object.h (class Object): Make input_file public.  Add
3111         searched_for method.
3112         (make_elf_object): Update declaration.
3113         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3114         restart search.
3115         * dirsearch.h (class Dirsearch): Update declaration.
3116         * options.h (class General_options): Add --warn-search-mismatch.
3117         * parameters.cc (Parameters::is_compatible_target): New function.
3118         * parameters.h (class Parameters): Declare is_compatible_target.
3119         * workqueue.cc (Workqueue::add_blocker): New function.
3120         * workqueue.h (class Workqueue): Declare add_blocker.
3121
3122         * fileread.cc (Input_file::open): Remove options parameter.
3123         Change all callers.
3124         (Input_file::open_binary): Likewise.
3125         * script.cc (read_input_script): Likewise.
3126         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3127         options parameter from constructor.  Change all callers.
3128         (class Read_script): Likewise.
3129         * fileread.h (class Input_file): Update declarations.
3130         * script.h (read_input_script): Update declaration.
3131
3132 2009-03-10  Nick Clifton  <nickc@redhat.com>
3133
3134         * po/es.po: New Spanish translation.
3135
3136 2009-03-06  Cary Coutant  <ccoutant@google.com>
3137
3138         * options.cc (parse_short_option): Keep dash_z from registering itself.
3139
3140 2009-03-03  Ian Lance Taylor  <iant@google.com>
3141
3142         PR 9918
3143         * target-reloc.h (relocate_section): Pass output_section to
3144         relocate.
3145         * i386.cc (Target_i386::should_apply_static_reloc): Add
3146         output_section parameter.  Change all callers.
3147         (Target_i386::Relocate::relocate): Add output_section parameter.
3148         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3149         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3150         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3151         * testsuite/two_file_shared.sh: New script.
3152         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3153         (check_DATA): Add two_file_shared.dbg.
3154         (two_file_shared.dbg): New target.
3155         * testsuite/Makefile.in: Rebuild.
3156
3157 2009-03-01  Ian Lance Taylor  <iant@google.com>
3158
3159         * configure.ac: Check for byteswap.h.
3160         * configure: Rebuild.
3161         * config.in: Rebuild.
3162
3163 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3164
3165         * layout.cc (Layout::find_or_add_kept_section): New function.
3166         (Layout::add_comdat): Removed.
3167         * layout.h (struct Kept_section): Move out of class Layout.
3168         Remove trailing underscores from field names.  Add group_sections
3169         field.  Rename group_ field to is_group.  Change all uses.
3170         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3171         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3172         comdat_groups_ field.
3173         (Sized_relobj::include_section_group): Use
3174         find_or_add_kept_section and Kept_section::group_sections.
3175         (Sized_relobj::include_linkonce_section): Likewise.
3176         * object.cc (class Sized_relobj): Don't define Comdat_group or
3177         Comdat_group_table.  Remove find_comdat_group and
3178         add_comdat_group.  Remove comdat_groups_ field.
3179         * plugin.cc (include_comdat_group): Use
3180         Layout::find_or_add_kept_section.
3181
3182 2009-02-28  Ian Lance Taylor  <iant@google.com>
3183
3184         * README: --gc-sections and map files are now supported.  Document
3185         some build requirements.
3186
3187         PR 6992
3188         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3189         relocatable link set the value of the section symbol to zero.
3190         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3191         relocatable link don't include the section address in the local
3192         symbol value.
3193
3194 2009-02-27  Ian Lance Taylor  <iant@google.com>
3195
3196         PR 6811
3197         * options.h (class Search_directory): Add is_system_directory.
3198         (class General_options): Declare is_in_system_directory.
3199         * options.cc (get_relative_sysroot): Make static.
3200         (get_default_sysroot): Make static.
3201         (General_optoins::is_in_system_directory): New function.
3202         * fileread.cc (Input_file::is_in_system_directory): New function.
3203         * fileread.h (class Input_file): Declare is_in_system_directory.
3204         * object.h (class Object): Add is_in_system_directory.
3205         (class Input_objects): Remove system_library_directory_ field.
3206         * object.cc (Input_objects::add_object): Don't set
3207         system_library_directory_.
3208         (input_objects::found_in_system_library_directory): Remove.
3209         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3210         parameter.  Change all callers.
3211         (Symbol_table::sized_write_globals): Likewise.
3212         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3213         Call Object::is_in_system_directory.
3214         * symtab.h (class Symbol_table): Update declarations.
3215
3216         PR 5990
3217         * descriptors.h (Open_descriptor): Add is_on_stack field.
3218         * descriptors.cc (Descriptors::open): If the descriptor is on the
3219         top of the stack, remove it.  Initialize is_on_stack field.
3220         (Descriptors::release): Only add pod to stack if it is not on the
3221         stack already.
3222         (Descriptors::close_some_descriptor): Clear stack_next and
3223         is_on_stack fields.
3224
3225         PR 7091
3226         * output.cc (Output_section::find_starting_output_address): Rename
3227         from starting_output_address; add PADDR parameter; change return
3228         type.
3229         * output.h (class Output_section): Declare
3230         find_starting_output_address instead of starting_output_address.
3231         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3232         section symbol for which we can't find a merge section.
3233
3234         PR 9836
3235         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3236         hidden or internal, force the symbol to be local.
3237         * resolve.cc (Symbol::override_visibility): Define.
3238         (Symbol::override_base): Use override_visibility.
3239         (Symbol_table::resolve): Likewise.
3240         (Symbol::override_base_with_special): Likewise.
3241         (Symbol_table::override_with_special): If the visibility is hidden
3242         or internal, force the symbol to be local.
3243         * symtab.h (class Symbol): Add set_visibility and
3244         override_visibility.
3245         * testsuite/ver_test_1.sh: New file.
3246         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3247         (check_DATA): Add ver_test_1.syms.
3248         (ver_test_1.syms): New target.
3249         * testsuite/Makefile.in: Rebuild.
3250
3251 2009-02-25  Cary Coutant  <ccoutant@google.com>
3252
3253         * layout.cc (Layout::choose_output_section): Don't rename sections
3254         when using a linker script that has a SECTIONS clause.
3255         * Makefile.in: Regenerate.
3256
3257         * testsuite/Makefile.am (script_test_5.sh): New test case.
3258         * testsuite/Makefile.in: Regenerate.
3259         * testsuite/script_test_5.cc: New file.
3260         * testsuite/script_test_5.sh: New file.
3261         * testsuite/script_test_5.t: New file.
3262
3263 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3264
3265         * archive.cc (Archive::include_member): Update calls to add_symbols.
3266         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3267         the Layout argument.
3268         * dynobj.h (do_add_symbols): Add the Layout argument.
3269         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3270         Layout argument.
3271         * object.h (Object::add_symbols): Add the Layout argument.
3272         (Object::do_add_symbols): Add the Layout argument.
3273         (Sized_relobj::do_add_symbols): Add the Layout argument.
3274         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3275         Unify the two versions.
3276         (Add_plugin_symbols): Remove.
3277         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3278         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3279         (Add_plugin_symbols): Remove.
3280         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3281         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3282         (Add_symbols::run): Make it work with Pulginobj.
3283
3284 2009-02-06  Ian Lance Taylor  <iant@google.com>
3285
3286         * object.cc (Sized_relobj::do_layout): Make info message start
3287         with lower case letter.
3288
3289 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3290
3291         * binary.cc: Fix file comment.
3292
3293         * options.h (enum Incremental_disposition): Define.
3294         (class General_options): Add new options: --incremental,
3295         --incremental_changed, --incremental_unchanged,
3296         --incremental_unknown.  Add incremental_disposition_ and
3297         implicit_incremental_ fields.
3298         (General_options::incremental_disposition): New function.
3299         (class Position_dependent_options): Add incremental_disposition
3300         option.
3301         (Position_dependent_options::copy_from_options): Set incremental
3302         dispositions.
3303         * options.cc (General_options::parse_incremental_changed): New
3304         function.
3305         (General_options::parse_incremental_unchanged): New function.
3306         (General_options::parse_incremental_unknown): New function.
3307         (General_options::General_options): Initialize new fields
3308         incremental_disposition_ and implicit_incremental_.
3309         (General_options::finalize): Check for uasge of --incremental-*
3310         without --incremental.
3311
3312 2009-02-06  Chris Demetriou  <cgd@google.com>
3313
3314         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3315         pointer and to report location as the file name associated with
3316         the symbol.
3317         (gold_undefined_symbol_at_location): New function to replace the
3318         old gold_undefined_symbol functionality.
3319         * target-reloc.h (relocate_section): Update to use
3320         gold_undefined_symbol_at_location.
3321         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3322         Call gold_undefined_symbol function rather than gold_error.
3323         * errors.h (Errors::undefined_symbol): Take location as a
3324         string, rather than calculating it from a relocation.
3325         * errors.cc (Errors::fatal): Print "fatal error:" before the
3326         formatted message.
3327         (Errors::error, Errors::error_at_location): Print "error: "
3328         before the formatted message.
3329         (Errors::undefined_symbol): Take location as a string, rather
3330         than calculating it from a relocation.
3331         (gold_undefined_symbol_at_location): New function akin to
3332         old gold_undefined_symbol, calculates location from relocation.
3333         (gold_undefined_symbol): Change to take only a Symbol pointer
3334         and to report location as the file name associated with the symbol.
3335         * testsuite/debug_msg.sh: Update for changed error messages.
3336         * testsuite/undef_symbol.sh: Likewise.
3337
3338 2009-02-04  Duncan Sands  <baldrick@free.fr>
3339
3340         PR 9812
3341         * reduced_debug_output.h
3342         (Output_reduced_debug_abbrev_section::failed): Use format for
3343         gold_warning.
3344         (Output_reduced_debug_info_section::faild): Likewise.
3345
3346 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3347
3348         * script.cc (Lazy_demangler): New class.
3349         (Version_script_info::get_symbol_version_helper): Demangle a
3350         symbol only once.
3351
3352 2009-01-29  Cary Coutant  <ccoutant@google.com>
3353
3354         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3355         to __tls_get_addr.
3356         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3357
3358 2009-01-28  Ian Lance Taylor  <iant@google.com>
3359
3360         * version.cc (version_string): Bump to 1.9.
3361
3362         * gold.h: Include <cstring> and <stdint.h>.
3363         * version.cc: Include <cstdio>.
3364         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3365         warning.
3366         * reduced_debug_output.cc (insert_into_vector): Rename from
3367         Insert_into_vector; change all callers.  Use Swap_unaligned to
3368         avoid aliasing issue; remove union since it is unnecessary.
3369
3370 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3371
3372         * Makefile.am (CCFILES): Add gc.cc.
3373         (HFILES): Add gc.h.
3374         * Makefile.in: Regenerate.
3375         * gold.cc (Gc_runner): New class.
3376         (queue_initial_tasks): Call garbage collection related tasks
3377         when corresponding options are invoked.
3378         (queue_middle_gc_tasks): New function.
3379         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3380         processed early before laying out sections during garbage collection.
3381         * gold.h (queue_middle_gc_tasks): New function.
3382         (is_prefix_of): Move from "layout.cc".
3383         * i386.cc (Target_i386::gc_process_relocs): New function.
3384         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3385         * main.cc (main): Create object of class "Garbage_collection".
3386         * object.cc (Relobj::copy_symbols_data): New function.
3387         (Relobj::is_section_name_included): New function.
3388         (Sized_relobj::do_layout): Allow this function to be called twice
3389         during garbage collection and defer layout of section during the
3390         first call.
3391         * object.h (Relobj::get_symbols_data): New function.
3392         (Relobj::is_section_name_included): New function.
3393         (Relobj::copy_symbols_data): New function.
3394         (Relobj::set_symbols_data): New function.
3395         (Relobj::get_relocs_data): New function.
3396         (Relobj::set_relocs_data): New function.
3397         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3398         (Relobj::gc_process_relocs): New function.
3399         (Relobj::do_gc_process_relocs): New pure virtual function.
3400         (Relobj::sd_): New data member.
3401         (Sized_relobj::is_output_section_offset_invalid): New function.
3402         (Sized_relobj::do_gc_process_relocs): New function.
3403         * options.h (General_options::gc_sections): Modify to not be a no-op.
3404         (General_options::print_gc_sections): New option.
3405         * plugin.cc (Plugin_finish::run): Remove function call to
3406         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3407         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3408         * reloc.cc (Read_relocs::run): Add task to process relocs and
3409         determine unreferenced sections when doing garbage collection.
3410         (Gc_process_relocs): New class.
3411         (Sized_relobj::do_gc_process_relocs): New function.
3412         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3413         sections that are garbage collected.
3414         * reloc.h (Gc_process_relocs): New class.
3415         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3416         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3417         symbols whose corresponding sections are garbage collected.
3418         (Symbol_table::Symbol_table): Add new parameter for the garbage
3419         collection object.
3420         (Symbol_table::gc_mark_undef_symbols): New function.
3421         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3422         (Symbol_table::gc_mark_dyn_syms): New function.
3423         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3424         as garbage.
3425         (Symbol_table::add_from_object): Likewise.
3426         (Symbol_table::add_from_relobj): When building shared objects, do not
3427         treat externally visible symbols as garbage.
3428         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3429         table information for static and relocatable links.
3430         * symtab.h (Symbol_table::set_gc): New function.
3431         (Symbol_table::gc): New function.
3432         (Symbol_table::gc_mark_undef_symbols): New function.
3433         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3434         (Symbol_table::gc_mark_dyn_syms): New function.
3435         (Symbol_table::gc_): New data member.
3436         * target.h (Sized_target::gc_process_relocs): New pure virtual
3437         function.
3438         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3439         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3440
3441 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3442
3443         * options.h (General_options::gc_sections): Define as a no-op for now.
3444         (General_options::no_keep_memory): Ditto.
3445         (General_options::Bshareable): Define.
3446         * options.cc (General_options::finalize): Honor -Bshareable.
3447
3448 2009-01-20  Andreas Schwab  <schwab@suse.de>
3449
3450         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3451         read the value in the contents, since we don't use it.  Use the
3452         template endianness when writing.
3453         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3454
3455 2009-01-19  Andreas Schwab  <schwab@suse.de>
3456
3457         * configure.tgt (powerpc64-*): Fix targ_obj.
3458
3459 2009-01-15  Ian Lance Taylor  <iant@google.com>
3460
3461         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3462         local symbols when stripping all symbols.
3463
3464 2009-01-14  Cary Coutant  <ccoutant@google.com>
3465
3466         * output.cc (Output_reloc): Add explicit instantiations.
3467
3468 2009-01-14  Cary Coutant  <ccoutant@google.com>
3469
3470         * archive.cc (Archive::get_elf_object_for_member): Remove call
3471         to File_read::claim_for_plugin.
3472         * descriptors.cc (Descriptors::open): Remove reference to
3473         is_claimed.
3474         (Descriptors::claim_for_plugin): Remove.
3475         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3476         (Descriptors::is_claimed): Remove.
3477         (claim_descriptor_for_plugin): Remove.
3478         * fileread.cc (File_read::claim_for_plugin): Remove.
3479         * fileread.h (File_read::claim_for_plugin): Remove.
3480         (File_read::descriptor): Reopen descriptor if necessary.
3481         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3482         (Plugin_manager::all_symbols_read): Add task parameter. Change
3483         all callers.
3484         (Plugin_manager::get_input_file): New function.
3485         (Plugin_manager::release_input_file): New function.
3486         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3487         corresponding data member.
3488         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3489         and pass to base constructor. Change all callers.
3490         (get_input_file, release_input_file): New functions.
3491         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3492         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3493         (Plugin_manager::all_symbols_read): Add task parameter.
3494         (Plugin_manager::get_input_file): New function.
3495         (Plugin_manager::release_input_file): New function.
3496         (Plugin_manager::task_): New data member.
3497         (Pluginobj::Pluginobj): Add filesize parameter.
3498         (Pluginobj::filename): New function.
3499         (Pluginobj::descriptor): New function.
3500         (Pluginobj::filesize): New function.
3501         (Pluginobj::filesize_): New data member.
3502         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3503         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3504         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3505
3506         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3507         with archive libraries.
3508         * testsuite/Makefile.in: Regenerate.
3509         * testsuite/plugin_test.c (struct sym_info): New type.
3510         (get_input_file, release_input_file): New static variables.
3511         (onload): Capture new transfer vector entries.
3512         (claim_file_hook): Stop reading at end of file according to filesize.
3513         Factor out parsing of readelf output into separate function.
3514         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3515         APIs and get the source file name from the symbol table.  Convert
3516         source file name to corresponding object file name.  Print info
3517         message when adding new input files.
3518         (parse_readelf_line): New function.
3519         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3520         * testsuite/plugin_test_2.sh: Likewise.
3521         * testsuite/plugin_test_3.sh: Likewise.
3522         * testsuite/plugin_test_4.sh: New test case.
3523
3524 2009-01-07  Ian Lance Taylor  <iant@google.com>
3525
3526         * version.cc (version_string): Bump to 1.8.
3527
3528 2008-12-23  Cary Coutant  <ccoutant@google.com>
3529
3530         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3531         * plugin.cc (Plugin_manager::finish): Rename as
3532         layout_deferred_objects.  Move cleanup to separate function.
3533         (Plugin_manager::cleanup): New function.
3534         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3535         separately.
3536         * plugin.h (Plugin_manager::finish): Rename as
3537         layout_deferred_objects.
3538         (Plugin_manager::cleanup): New function.
3539         (Plugin_manager::cleanup_done): New field.
3540
3541 2008-12-23  Cary Coutant  <ccoutant@google.com>
3542
3543         * plugin.cc (is_visible_from_outside): New function.
3544         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3545         so we don't return "IR only" status for exported symbols or -r links.
3546
3547         * testsuite/Makefile.am (plugin_test_3): New test case.
3548         * testsuite/Makefile.in: Regenerate.
3549         * testsuite/plugin_test_3.sh: New file.
3550
3551 2008-12-22  Cary Coutant  <ccoutant@google.com>
3552
3553         * object.cc (Sized_relobj::layout_section): New function.
3554         (Sized_relobj::do_layout): Defer layout of input sections until after
3555         plugin has provided replacement files.
3556         (Sized_relobj::do_layout_deferred_sections): New function.
3557         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3558         (Relobj::layout_deferred_sections): New function.
3559         (Relobj::do_layout_deferred_sections): New function.
3560         (Sized_relobj::do_layout_deferred_sections): New function.
3561         (Sized_relobj::layout_section): New function.
3562         (Sized_relobj::Deferred_layout): New structure.
3563         (Sized_relobj::deferred_layout_): New field.
3564         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3565         Change all callers.  Layout deferred sections.
3566         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3567         references.
3568         (Plugin_hook::run): Move code from do_plugin_hook inline.
3569         (Plugin_hook::do_plugin_hook): Remove.
3570         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3571         (Plugin_manager::finish): Renamed, was cleanup.
3572         (Plugin_manager::should_defer_layout): New function.
3573         (Plugin_manager::add_deferred_layout_object): New function.
3574         (Plugin_manager::Deferred_layout_list): New type.
3575         (Plugin_manager::deferred_layout_objects_): New field.
3576         (Plugin_hook::do_plugin_hook): Remove.
3577
3578 2008-12-17  Ian Lance Taylor  <iant@google.com>
3579
3580         * options.h (class General_options): Add --no case for
3581         --export-dynamic.
3582
3583 2008-12-16  Cary Coutant  <ccoutant@google.com>
3584
3585         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3586         vector.
3587         (Plugin_manager::claim_file): Create plugin object even if
3588         plugin did not call the add_symbols callback.
3589         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3590         asking for more symbols than were added.
3591         * testsuite/Makefile.am (plugin_test_1): Add test case with
3592         no global symbols.
3593         (empty.syms): New target.
3594         * testsuite/Makefile.in: Regenerate.
3595         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3596         message. Don't call add_symbols if no globals.
3597         (all_symbols_read_hook): Don't provide replacement for empty
3598         claimed file.
3599
3600 2008-12-12  Ian Lance Taylor  <iant@google.com>
3601
3602         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3603         r_type == 0 for a local symbol with r_sym == 0.
3604         (scan_relocatable_relocs): Pass r_sym to
3605         local_non_section_strategy.
3606         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3607         r_sym parameter.
3608
3609         * configure.ac: Update test for TLS descriptors: they are
3610         supported as of glibc 2.9.
3611         * configure: Rebuild.
3612
3613 2008-12-11  Ian Lance Taylor  <iant@google.com>
3614
3615         PR 7091
3616         * target-reloc.h (Default_scan_relocatable_relocs): For each
3617         function, map r_type == 0 to RELOC_DISCARD.
3618
3619 2008-12-10  Cary Coutant  <ccoutant@google.com>
3620
3621         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3622         object to override a kept COMDAT group from a plugin object.
3623
3624 2008-12-09  Ian Lance Taylor  <iant@google.com>
3625
3626         PR 7088
3627         * yyscript.y (file_cmd): Handle INPUT.
3628
3629         * testsuite/initpri1.c: Change all declarations to be full
3630         prototypes by adding void, to avoid compiler warnings.
3631
3632 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3633
3634         * options.cc (General_options::parse_plugin_opt): New.
3635         (General_options::add_plugin): The argument now is just the filename.
3636         (General_options::add_plugin_option): New.
3637         * options.h (plugin_opt): New.
3638         (add_plugin): Change argument name.
3639         (add_plugin_option): New.
3640         * plugin.cc (Plugin::load): Don't parse the plugin option.
3641         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3642         (Plugin::add_option): New.
3643         (Plugin::args_): Change type.
3644         (Plugin::filename_): New.
3645         (Plugin_manager::add_plugin_option): New.
3646         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3647         * testsuite/Makefile.in: Regenerate.
3648
3649 2008-12-05  Cary Coutant  <ccoutant@google.com>
3650
3651         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3652         Handle --strip-lto-sections option.
3653         * options.h (strip_lto_sections): New option.
3654
3655 2008-12-01  Cary Coutant  <ccoutant@google.com>
3656
3657         * plugin.cc (ld_plugin_message): Change format parameter to const.
3658         Fix mismatch between new[] and delete.
3659
3660 2008-11-14  Cary Coutant  <ccoutant@google.com>
3661
3662         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3663         instead of -1U.
3664
3665 2008-11-05  Craig Silverstein  <csilvers@google.com>
3666
3667         * options.cc (General_options::parse_dynamic_list): New function.
3668         * options.h (General_options): New flags dynamic_list,
3669         dynamic_list_data, dynamic_list_cpp_new, and
3670         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3671         (General_options::in_dynamic_list): New function.
3672         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3673         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3674         (Lex::can_continue_name): Likewise.
3675         (yylex): Likewise.
3676         (read_script_file): New parameter script_options.
3677         (read_dynamic_list): New function.
3678         (Script_options::define_dynamic_list): New function.
3679         (dynamic_list_keyword_parsecodes): New variable.
3680         (dynamic_list_keywords): New variable.
3681         * script.h (Script_options::define_dynamic_list): New function
3682         prototype.
3683         (read_dynamic_list): New function prototype.
3684         * symtab.cc (strprefix): New macro.
3685         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3686         dynamic_list_data, dynamic_list_cpp_new, and
3687         dynamic_list_cpp_typeinfo.
3688         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3689         (dynamic_list_expr): New rule.
3690         (dynamic_list_nodes): Likewise.
3691         (dynamic_list_node): Likewise.
3692         * testsuite/Makefile.am (dynamic_list): New test.
3693         * testsuite/Makefile.in: Regenerated.
3694         * testsuite/dynamic_list.t: New file.
3695         * testsuite/dynamic_list.sh: New file.
3696
3697 2008-11-05  Craig Silverstein  <csilvers@google.com>
3698
3699         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3700         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3701         (t11_last): Likewise.
3702         * testsuite/ver_test_6.c (main): Likewise.
3703
3704 2008-10-07  Cary Coutant  <ccoutant@google.com>
3705
3706         * options.c (General_options::finalize): Add check for -static and
3707         -shared.
3708         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3709         is not empty.
3710
3711 2008-10-02  Cary Coutant  <ccoutant@google.com>
3712
3713         * plugin.cc (make_sized_plugin_object): Fix conditional
3714         compilation to work when not all targets are enabled.
3715
3716 2008-09-29  Cary Coutant  <ccoutant@google.com>
3717
3718         * archive.cc (Archive::get_file_and_offset): Use filename instead
3719         of name to get library path.
3720         (Archive::include_member): Unlock external member of a thin archive.
3721
3722         * testsuite/Makefile.am (TEST_AR): New variable.
3723         (thin_archive_test_1): New test.
3724         (thin_archive_test_2): New test.
3725         * testsuite/Makefile.in: Regenerate.
3726         * testsuite/thin_archive_main.cc: New file.
3727         * testsuite/thin_archive_test_1.cc: New file.
3728         * testsuite/thin_archive_test_2.cc: New file.
3729         * testsuite/thin_archive_test_3.cc: New file.
3730         * testsuite/thin_archive_test_4.cc: New file.
3731
3732 2008-09-29  Cary Coutant  <ccoutant@google.com>
3733
3734         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3735         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3736         instead of -1U.
3737         (Sized_relobj::do_finalize_local_symbols): Likewise.
3738         (Sized_relobj::map_to_kept_section): Likewise.
3739         * object.h (Sized_relobj::invalid_address): New constant.
3740         (Sized_relobj::do_output_section_offset): Check for invalid_address
3741         and return -1ULL.
3742         * output.cc (Output_reloc::local_section_offset): Use constant
3743         invalid_address instead of -1U.
3744         (Output_reloc::get_address): Likewise.
3745         (Output_section::output_address): Change -1U to -1ULL.
3746         * output.h (Output_reloc::invalid_address): New constant.
3747         * reloc.cc (Sized_relobj::write_sections): Use constant
3748         invalid_address instead of -1U.
3749         (Sized_relobj::relocate_sections): Likewise.
3750         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3751         values for merge sections.
3752         * target-reloc.h (relocate_for_relocatable): Use constant
3753         invalid_address instead of -1U.
3754
3755 2008-09-19  Cary Coutant  <ccoutant@google.com>
3756
3757         Add plugin functionality for link-time optimization (LTO).
3758         * configure.ac (plugins): Add --enable-plugins option.
3759         * configure: Regenerate.
3760         * config.in: Regenerate.
3761         * Makefile.am (LIBDL): New variable.
3762         (CCFILES): Add plugin.cc.
3763         (HFILES): Add plugin.h.
3764         (ldadd_var): Add LIBDL.
3765         * Makefile.in: Regenerate.
3766
3767         * archive.cc: Include "plugin.h".
3768         (Archive::setup): Don't preread archive symbols when using a plugin.
3769         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3770         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3771         files.
3772         (Archive::include_member): Add symbols from plugin objects.
3773         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3774         * descriptors.cc (Descriptors::open): Check for file descriptors
3775         abandoned by plugins.
3776         (Descriptors::claim_for_plugin): New function.
3777         * descriptors.h (Descriptors::claim_for_plugin): New function.
3778         (Open_descriptor::is_claimed): New field.
3779         (claim_descriptor_for_plugin): New function.
3780         * fileread.cc (File_read::claim_for_plugin): New function.
3781         * fileread.h (File_read::claim_for_plugin): New function.
3782         (File_read::descriptor): New function.
3783         * gold.cc: Include "plugin.h".
3784         (queue_initial_tasks): Add task to call plugin hooks for generating
3785         new object files.
3786         * main.cc: Include "plugin.h".
3787         (main): Load plugin libraries.
3788         * object.h (Pluginobj): Declare.
3789         (Object::pluginobj): New function.
3790         (Object::do_pluginobj): New function.
3791         (Object::set_target): New function.
3792         * options.cc: Include "plugin.h".
3793         (General_options::parse_plugin): New function.
3794         (General_options::General_options): Initialize plugins_ field.
3795         (General_options::add_plugin): New function.
3796         * options.h (Plugin_manager): Declare.
3797         (General_options): Add --plugin option.
3798         (General_options::has_plugins): New function.
3799         (General_options::plugins): New function.
3800         (General_options::add_plugin): New function.
3801         (General_options::plugins_): New field.
3802         * plugin.cc: New file.
3803         * plugin.h: New file.
3804         * readsyms.cc: Include "plugin.h".
3805         (Read_symbols::do_read_symbols): Check for archive before checking
3806         for ELF file.  Call plugin hooks to claim files.
3807         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3808         from a real object file; force override when processing replacement
3809         files.
3810         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3811         (Symbol::init_base_object): Likewise.
3812         (Symbol::init_base_output_data): Likewise.
3813         (Symbol::init_base_output_segment): Likewise.
3814         (Symbol::init_base_constant): Likewise.
3815         (Symbol::init_base_undefined): Likewise.
3816         (Symbol::output_section): Assert that object is not a plugin.
3817         (Symbol_table::add_from_pluginobj): New function.
3818         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3819         undefined.
3820         (Symbol_table::sized_write_globals): Likewise.
3821         (Symbol_table::add_from_pluginobj): Instantiate template.
3822         * symtab.h (Sized_pluginobj): Declare.
3823         (Symbol::in_real_elf): New function.
3824         (Symbol::set_in_real_elf): New function.
3825         (Symbol::in_real_elf_): New field.
3826         (Symbol_table::add_from_pluginobj): New function.
3827
3828         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3829         (LIBDL): New variable.
3830         (LDADD): Add LIBDL.
3831         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3832         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3833         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3834         (MOSTLYCLEANFILES): Likewise.
3835         * testsuite/Makefile.in: Regenerate.
3836         * testsuite/plugin_test.c: New file.
3837         * testsuite/plugin_test_1.sh: New file.
3838         * testsuite/plugin_test_2.sh: New file.
3839
3840 2008-09-16  Ian Lance Taylor  <iant@google.com>
3841
3842         * target-reloc.h (relocate_section): Check whether a symbol is
3843         defined by the ABI before reporting an undefined symbol error.
3844         * target.h (Target::is_defined_by_abi): Make parameter const.
3845         (Target::do_is_defined_by_abi): Likewise.
3846         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3847         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3848         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3849         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3850         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3851         * testsuite/Makefile.in: Rebuild.
3852
3853         * fileread.cc (make_view): Add casts to avoid warning.
3854
3855 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3856
3857         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3858         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3859
3860 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3861
3862         * options.h (General_options::output_is_executable): New.
3863         (General_options::output_is_pie): New.
3864         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3865         for shared libraries.
3866         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3867
3868 2008-09-11  Chris Demetriou  <cgd@google.com>
3869
3870         * options.h (origin): New -z option.
3871         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3872         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3873         in DT_FLAGS_1.
3874
3875 2008-09-05  Cary Coutant  <ccoutant@google.com>
3876
3877         * fileread.cc (File_read::make_view): Add check for attempt to map
3878         beyond end of file.
3879
3880 2008-09-05  Cary Coutant  <ccoutant@google.com>
3881
3882         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3883         explicit instantiations.
3884
3885 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3886
3887         PR gold/6858
3888         * options.cc (General_options::finalize): Allow undefined symbols
3889         in shlibs if linking -shared.
3890
3891         PR gold/6859
3892         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3893         symbols as not needing a dynsym entry.
3894
3895 2008-08-20  Craig Silverstein  <csilvers@google.com>
3896
3897         * fileread.cc (File_read::open): Do not lock the file unless it
3898         was successfully opened.
3899
3900 2008-08-14  Cary Coutant  <ccoutant@google.com>
3901
3902         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3903         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3904         * testsuite/tls_test.cc (struct int128): 128-bit struct
3905         for testing TLS relocs with non-zero addend.
3906         (v12): New TLS variable.
3907         (t12): New test.
3908         (t_last): Add check for v12.
3909         * testsuite/tls_test.h (t12): New function.
3910         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3911
3912 2008-08-13  Ian Lance Taylor  <iant@google.com>
3913
3914         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3915         set tls_segment_ or relro_segment_.
3916         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3917         when appropriate.
3918         * output.h (Output_section::clear_is_relro): New function.
3919         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3920         sections specially even when output_data_ is empty.
3921         (Output_segment::maximum_alignment): When first section is relro,
3922         only force alignment for PT_LOAD segments.
3923         * script.cc (script_data_segment_align): New function.
3924         (script_data_segment_relro_end): New function.
3925         * script-c.h (script_data_segment_align): Declare.
3926         (script_data_segment_relro_end): Declare.
3927         * script-sections.h (class Script_sections): Declare
3928         data_segment_align and data_segment_relro_end.  Add fields
3929         segment_align_index_ and saw_relro_end_.
3930         * script-sections.cc (class Sections_element): Add set_is_relro
3931         virtual function.  Add new bool* parameter to place_orphan_here.
3932         Add get_output_section virtual function.
3933         (class Output_section_definition): Add set_is_relro.  Add new
3934         bool* parameter to place_orphan_here.  Add get_output_section.
3935         Add is_relro_ field.
3936         (Output_section_definition::Output_section_definition): Initialize
3937         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3938         and is_relro_ fields.
3939         (Output_section_definition::place_orphan_here): Add is_relro
3940         parameter.
3941         (Output_section_definition::set_section_addresses): Set relro for
3942         output section.
3943         (Output_section_definition::alternate_constraint): Likewise.
3944         (class Orphan_output_section): Add new bool* parameter to
3945         place_orphan_here.  Add get_output_section.
3946         (Orphan_output_section::place_orphan_here): Add is_relro
3947         parameter.
3948         (Script_sections::Script_sections): Initialize
3949         data_segment_align_index_ and saw_relro_end_.
3950         (Script_sections::data_segment_align): New function.
3951         (Script_sections::data_segment_relro_end): New function.
3952         (Script_sections::place_orphan): Set or clear is_relro.
3953         (Script_sections::set_section_addresses): Force alignment of first
3954         TLS section.
3955         * yyscript.y (exp): Call script_data_segment_align and
3956         script_data_segment_relro_end.
3957         * testsuite/relro_script_test.t: New file.
3958         * testsuite/relro_test.cc (using_script): Declare.
3959         (t1, t2): Test using_script.
3960         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3961         (relro_script_test_SOURCES): Define.
3962         (relro_script_test_DEPENDENCIES): Define.
3963         (relro_script_test_LDFLAGS): Define.
3964         (relro_script_test_LDADD): Define.
3965         (relro_script_test.so): New target.
3966         * testsuite/Makefile.in: Rebuild.
3967
3968 2008-08-06  Cary Coutant <ccoutant@google.com>
3969
3970         * archive.cc (Archive::total_archives, Archive::total_members)
3971         (Archive::total_members_loaded): New variables.
3972         (Archive::setup): Add parameter.  Add option to preread
3973         archive symbols.
3974         (Archive::read_armap): Add counter.
3975         (Archive::get_file_and_offset): New function.
3976         (Archive::get_elf_object_for_member): New function.
3977         (Archive::read_all_symbols): New function.
3978         (Archive::read_symbols): New function.
3979         (Archive::add_symbols): Add counters.
3980         (Archive::include_all_members): Use armap to find members if it's
3981         already built.
3982         (Archive::include_member): Skip reading symbols if already read.
3983         Factored code into Archive::get_file_and_offset and
3984         Archive::get_elf_object_for_member.  Changed call to
3985         Mapfile::report_include_archive_member.
3986         (Archive::print_stats): New function.
3987         * archive.h: Declare Object and Read_symbols_data classes.
3988         (Archive::Archive): Add initializers for new members.
3989         (Archive::setup): Add parameter.
3990         (Archive::print_stats): New function.
3991         (Archive::total_archives, Archive::total_members)
3992         (Archive::total_members_loaded): New variables.
3993         (Archive::get_file_and_offset): New function.
3994         (Archive::get_elf_object_for_member): New function.
3995         (Archive::read_all_symbols): New function.
3996         (Archive::read_symbols): New function.
3997         (Archive::Archive_member): New class.
3998         (Archive::members_): New member.
3999         (Archive::num_members_): New member.
4000         * main.cc: Include archive.h.
4001         (main): Call Archive::print_stats.
4002         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4003         archive parameter; member_name is now the fully-decorated name.
4004         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4005         * options.h: (General_options): Add --preread-archive-symbols option.
4006         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4007         Archive::setup.
4008
4009 2008-08-04  Ian Lance Taylor  <iant@google.com>
4010
4011         * symtab.h (Symbol::use_plt_offset): New function.
4012         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4013         * powerpc.cc (Relocate::relocate): Likewise.
4014         * sparc.cc (Relocate::relocate): Likewise.
4015         * x86_64.cc (Relocate::relocate): Likewise.
4016         * testsuite/weak_plt.sh: New test.
4017         * testsuite/weak_plt_main.cc: New test.
4018         * testsuite/weak_plt_shared.cc: New test.
4019         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4020         (check_PROGRAMS): Add weak_plt.
4021         (check_DATA): Add weak_plt_shared.so.
4022         (weak_plt_main_pic.o, weak_plt): New targets.
4023         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4024         * testsuite/Makefile.in: Rebuild.
4025
4026         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4027         gcctestdir/ld.
4028         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4029         * testsuite/Makefile.in: Rebuild.
4030
4031 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4032
4033         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4034         * Makefile.in: Regenerate.
4035         * po/POTFILES.in: Regenerate.
4036
4037 2008-07-29  Ian Lance Taylor  <iant@google.com>
4038
4039         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4040         symbols before other symbols.
4041         * testsuite/script_test_2.cc (test_addr): Declare.
4042         (test_addr_alias): Declare.
4043         (main): Check that test_addr and test_addr_alias have the right
4044         values.
4045         * testsuite/script_test_2.t: Define test_addr_alias and
4046         test_addr.
4047
4048 2008-07-24  Ian Lance Taylor  <iant@google.com>
4049
4050         PR 5990
4051         * descriptors.cc: New file.
4052         * descriptors.h: New file.
4053         * gold-threads.h (class Hold_optional_lock): New class.
4054         * fileread.cc: Include "descriptors.h".
4055         (File_read::~File_read): Release descriptor rather than closing
4056         it.
4057         (File_read::open) [file]: Call open_descriptor rather than open.
4058         Set is_descriptor_opened_.
4059         (File_read::open) [memory]: Assert that descriptor is not open.
4060         (File_read::reopen_descriptor): New function.
4061         (File_read::release): Release descriptor.
4062         (File_read::do_read): Make non-const.  Reopen descriptor.
4063         (File_read::read): Make non-const.
4064         (File_read::make_view): Reopen descriptor.
4065         (File_read::do_readv): Likewise.
4066         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4067         Update declarations.
4068         * layout.cc: Include "descriptors.h".
4069         (Layout::create_build_id): Use open_descriptor rather than open.
4070         * output.cc: Include "descriptors.h".
4071         (Output_file::open): Use open_descriptor rather than open.
4072         * archive.cc (Archive::const_iterator): Change Archive to be
4073         non-const.
4074         (Archive::begin, Archive::end): Make non-const.
4075         (Archive::count_members): Likewise.
4076         * archive.h (class Archive): Update declarations.
4077         * object.h (Object::read): Make non-const.
4078         * Makefile.am (CCFILES): Add descriptors.cc.
4079         (HFILES): Add descriptors.h.
4080         * Makefile.in: Rebuild.
4081
4082         PR 6716
4083         * gold.h: Always include <clocale>.  Add Solaris workarounds
4084         following code in binutils/sysdep.h.
4085
4086         PR 6048
4087         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4088         this->eh_frame_hdr_ is NULL before using it.
4089
4090         * dynobj.cc (Versions::Versions): Update comment.
4091
4092         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4093         the base version name.
4094
4095         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4096         array size plus one.
4097         (Stringpool_template::set_string_offsets): Subtract one from key
4098         before using it as an array index.
4099         (Stringpool_template::get_offset_with_length): Likewise.
4100         (Stringpool_template::write_to_buffer): Likewise.
4101         * stringpool.h (Stringpool_template::get_offset_from_key):
4102         Likewise.
4103
4104 2008-07-23  Ian Lance Taylor  <iant@google.com>
4105
4106         PR 6658
4107         * object.h (Merged_symbol_value::value): Do our best to handle a
4108         negative addend.
4109
4110         PR 6647
4111         * script.cc (Version_script_info::get_versions): Don't add empty
4112         version tag to return value.
4113         (Version_script_info::get_symbol_version_helper): Change return
4114         type to bool.  Add pversion parameter.  Change all callers.
4115         (script_register_vers_node): Don't require a non-NULL tag.
4116         * script.h (class Version_script_info): Update declarations.
4117         (Version_script_info::get_symbol_version): Change return type to
4118         bool.  Add version parameter.  Change all callers.
4119         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4120         handling.  Handle an empty version from a version script.
4121         (Symbol_table::define_special_symbol): Likewise.
4122         * testsuite/ver_test_10.script: New file.
4123         * testsuite/ver_test_10.sh: New file.
4124         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4125         (check_DATA): Add ver_test_10.syms.
4126         (ver_test_10.syms, ver_test_10.so): New target.
4127         * testsuite/Makefile.in: Rebuild.
4128
4129 2008-07-23  Simon Baldwin  <simonb@google.com>
4130
4131         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4132         to zero for undefined symbols from dynamic libraries.
4133
4134 2008-07-23  Ian Lance Taylor  <iant@google.com>
4135
4136         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4137         Change all callers.
4138         * symtab.h (class Symbol_table): Update declaration.
4139         * testsuite/ver_test_9.cc: New file.
4140         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4141         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4142         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4143         (ver_test_9.so, ver_test_9.o): New targets.
4144         * testsuite/Makefile.in: Rebuild.
4145
4146 2008-07-22  Ian Lance Taylor  <iant@google.com>
4147
4148         * options.h (class General_options): Define --check-sections.
4149         * layout.cc (Layout::set_segment_offsets): Handle
4150         --check-sections.
4151
4152         * options.h (class General_options): Define -n/--nmagic and
4153         -N/--omagic.
4154         * options.cc (General_options::finalize): For -n/--nmagic or
4155         -N/--omagic, set -static.
4156         * layout.cc (Layout::attach_allocated_section_to_segment): If
4157         -N/--omagic, don't put read-only and read-write sections in
4158         different segments.
4159         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4160         finding a read-only segment.
4161         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4162         don't set the minimum segment alignment to the common page size,
4163         and don't set the file offset to the address modulo the page size.
4164         * script-sections.cc (Script_sections::create_segments): If
4165         -n/--omagic, don't put read-only and read-write sections in
4166         different segments.
4167
4168         * cref.cc: New file.
4169         * cref.h: New file.
4170         * options.h (class General_options): Add --print-symbol-counts.
4171         * main.cc (main): Issue defined symbol report if requested.
4172         * archive.cc (Archive::interpret_header): Make into a const member
4173         function.
4174         (Archive::add_symbols): Call Input_objects::archive_start and
4175         archive_stop.
4176         (Archive::const_iterator): Define new class.
4177         (Archive::begin, Archive::end): New functions.
4178         (Archive::include_all_members): Rewrite to use iterator.
4179         (Archive::count_members): New function.
4180         * archive.h (class Archive): Update declarations.
4181         (Archive::filename): New function.
4182         * object.cc: Include "cref.h".
4183         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4184         (Sized_relobj::do_get_global_symbol_counts): New function.
4185         (Input_objects::add_object): Add object to cross-referencer.
4186         (Input_objects::archive_start): New function.
4187         (Input_objects::archive_stop): New function.
4188         (Input_objects::print_symbol_counts): New function.
4189         * object.h: Declare Cref and Archive.
4190         (Object::get_global_symbol_counts): New function.
4191         (Object::do_get_global_symbol_counts): New pure virtual function.
4192         (class Sized_relobj): Add defined_count_ field.  Update
4193         declarations.
4194         (class Input_objects): Add cref_ field.  Update constructor.
4195         Update declarations.
4196         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4197         defined_count_.
4198         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4199         symbol counts.
4200         (Sized_dynobj::do_get_global_symbol_counts): New function.
4201         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4202         defined_count_.  Update declarations.  Define Symbols typedef.
4203         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4204         parameter.  Change all callers.
4205         (Symbol_table::add_from_dynobj): Add sympointers and defined
4206         parameters.  Change all callers.
4207         * symtab.h (class Symbol_table): Update declarations.
4208         * Makefile.am (CCFILES): Add cref.cc.
4209         (HFILES): Add cref.h.
4210         * Makefile.in: Rebuild.
4211
4212 2008-07-22  Simon Baldwin  <simonb@google.com>
4213
4214         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4215         to zero when writing undefined symbols.
4216
4217 2008-07-22  Ian Lance Taylor  <iant@google.com>
4218
4219         * output.cc (Output_section::add_input_section): Don't try to
4220         merge empty merge sections.
4221
4222 2008-07-21  Craig Silverstein  <csilvers@google.com>
4223
4224         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4225         Include symbol version in error message.
4226
4227 2008-07-20  Chris Demetriou  <cgd@google.com>
4228
4229         * configure.ac (gold_cv_c_random_seed): New configured variable.
4230         (RANDOM_SEED_CFLAGS): New substituted variable.
4231         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4232         * configure: Rebuild.
4233         * Makefile.in: Likewise.
4234         * testsuite/Makefile.in: Likewise.
4235
4236 2008-07-18  Ian Lance Taylor  <iant@google.com>
4237
4238         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4239         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4240         * testsuite/ver_test_main.cc (main): Call t4.
4241         (t4, t4_2a): Define.
4242         * testsuite/ver_test_2.cc (t4_2): Define.
4243         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4244         * testsuite/ver_test_4.cc (t4_2a): Define.
4245         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4246         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4247
4248 2008-07-17  Ian Lance Taylor  <iant@google.com>
4249
4250         * dynobj.cc (Versions::add_def): If we give an error about a
4251         missing version, go ahead and create the version anyhow.
4252
4253 2008-07-10  Ian Lance Taylor  <iant@google.com>
4254
4255         Handle output sections with more than 0x7fffffff bytes.
4256         * object.h (class Relobj): Change map_to_output_ to
4257         output_sections_, and just keep a section pointer.  Change all
4258         uses.  Move comdat group support to Sized_relobj.
4259         (Relobj::is_section_specially_mapped): Remove.
4260         (Relobj::output_section): Remove poff parameter.  Change all
4261         callers.
4262         (Relobj::output_section_offset): New function.
4263         (Relobj::set_section_offset): Rewrite.
4264         (Relobj::map_to_output): Remove.
4265         (Relobj::output_sections): New function.
4266         (Relobj::do_output_section_offset): New pure virtual function.
4267         (Relobj::do_set_section_offset): Likewise.
4268         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4269         group support from Relobj.  Update declarations.
4270         (Sized_relobj::get_output_section_offset): New function.
4271         (Sized_relobj::do_output_section_offset): New function.
4272         (Sized_relobj::do_set_section_offset): New function.
4273         * object.cc (Relobj::output_section_address): Remove.
4274         (Sized_relobj::Sized_relobj): Initialize new fields.
4275         (Sized_relobj::include_section_group): Cast find_kept_object to
4276         Sized_relobj.
4277         (Sized_relobj::include_linkonce_section): Likewise.
4278         (Sized_relobj::do_layout): Use separate arrays for output section
4279         and output offset.
4280         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4281         output_sections.
4282         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4283         output_sections and section_offsets.
4284         (Sized_relobj::write_local_symbols): Likewise.
4285         (map_to_kept_section): Compute output address directly.
4286         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4287         output_sections and section_offsets.
4288         (Sized_relobj::write_sections): Likewise.
4289         (Sized_relobj::relocate_sections): Likewise.
4290         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4291         * output.h (class Output_reloc): Update declarations.  Change
4292         u2_.relobj to Sized_relobj*.
4293         (class Output_data_reloc): Change add functions to use
4294         Sized_relobj*.
4295         * output.cc (Output_reloc::Output_reloc): Change relobj to
4296         Sized_relobj*.
4297         (Output_reloc::local_section_offset): Change return type to
4298         Elf_Addr.  Use get_output_section_offset.
4299         (Output_reloc::get_address): Likewise.
4300         (Output_section::is_input_address_mapped): Don't call
4301         is_section_specially_mapped.
4302         (Output_section::output_offset): Likewise.
4303         (Output_section::output_address): Likewise.
4304         (Output_section::starting_output_address): Likewise.
4305         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4306         parameter to Sized_relobj*.
4307         (Copy_relocs::need_copy_reloc): Likewise.
4308         (Copy_relocs::save): Likewise.
4309         * copy-relocs.h (class Copy_relocs): Update declarations.
4310         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4311         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4312         * target-reloc.h (relocate_for_relocatable): Change
4313         offset_in_output_section type to Elf_Addr.  Change code that uses
4314         it as well.
4315         * layout.cc (Layout::layout): Always set *off.
4316         * mapfile.cc (Mapfile::print_input_section): Use
4317         output_section_offset.
4318         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4319         Sized_relobj*.
4320         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4321         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4322         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4323
4324 2008-07-03  Ian Lance Taylor  <iant@google.com>
4325
4326         * layout.cc (Layout::include_section): Do not discard unrecognized
4327         SHT_STRTAB sections.
4328
4329 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4330
4331         * script.cc (Lex::can_continue_name): Make '?' allowable in
4332         version-script names.
4333         * testsuite/version_script.map: Change glob pattern to use '?'
4334
4335 2008-06-30  Manish Singh  <yosh@gimp.org>
4336
4337         PR 6585
4338         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4339         Correct typo.
4340
4341 2008-06-30  Ian Lance Taylor  <iant@google.com>
4342
4343         PR 6660
4344         PR 6682
4345         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4346         versions]: Don't try to read the value in the contents, since we
4347         don't use it.  Use the template endianness when writing.
4348
4349 2008-06-25  Cary Coutant  <ccoutant@google.com>
4350
4351         * fileread.cc (File_read::make_view): Assert on zero-length view.
4352         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4353         symbol table when there are no symbols to read.
4354
4355 2008-06-23  Craig Silverstein  <csilvers@google.com>
4356
4357         * version.cc (version_string): Bump to 1.7
4358
4359 2008-06-18  Craig Silverstein  <csilvers@google.com>
4360
4361         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4362         constant 0xFFFF to type Valtype.
4363         (Powerpc_relocate_functions::rel16_ha): Likewise.
4364
4365 2008-06-17  Ian Lance Taylor  <iant@google.com>
4366
4367         * output.h (Output_section::Input_section): Initialize p2align_ to
4368         zero for Output_section_data constructors.
4369         (Output_section::Input_section::addralign): If not an input
4370         section, return the alignment of the Output_section_data.
4371         * testsuite/copy_test.cc: New file.
4372         * testsuite/copy_test_1.cc: New file.
4373         * testsuite/copy_test_2.cc: New file.
4374         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4375         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4376         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4377         (copy_test_1_pic.o, copy_test_1.so): New targets.
4378         (copy_test_2_pic.o, copy_test_2.so): New targets.
4379         * testsuite/Makefile.in: Rebuild.
4380
4381         * script-sections.cc (Script_sections::place_orphan): Initialize
4382         local variable exact.
4383
4384 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4385
4386         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4387
4388 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4389             David S. Miller  <davem@davemloft.net>
4390
4391         * powerpc.cc: New file.
4392         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4393         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4394         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4395         * Makefile.in: Rebuild.
4396
4397 2008-06-09  Ian Lance Taylor  <iant@google.com>
4398
4399         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4400         <exception>.
4401         (throwing, orig_terminate): New static variables.
4402         (terminate_handler): New static function.
4403         (t2): Set terminate handler.
4404
4405 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4406
4407         PR 6584
4408         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4409         alignment.
4410
4411 2008-05-30  Cary Coutant  <ccoutant@google.com>
4412
4413         * archive.cc (Archive::include_all_members) Correct to step
4414         over symbol table and extended name table in thin archives.
4415
4416 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4417
4418         PR 6407
4419         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4420         calculation.
4421
4422 2008-05-28  Caleb Howe  <cshowe@google.com>
4423
4424         * reduced_debug_output.cc: New file.
4425         * reduced_debug_output.h: New file.
4426         * options.h (class General_options): Add --strip-debug-non-line.
4427         * options.cc (General_options::finalize): Add strip_debug_non_line
4428         to the strip heirarchy.
4429         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4430         fields.
4431         * layout.cc: Include "reduced_debug_output.h".
4432         (Layout::Layout): Initialize new fields.
4433         (line_only_debug_sections): New static array.
4434         (is_lines_only_debug_sections): New static inline function.
4435         (Layout::include_section): Handle --strip-debug-non-line.
4436         (Layout::make_output_section): If --strip-debug-non-line, build
4437         new output sections for .debug_abbrev and .debug_info.
4438         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4439         gold.  Warn about possible overflow.
4440         (read_signed_LEB_128): Likewise.
4441         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4442         (read_signed_LEB_128): Declare.
4443         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4444         (HFILES): Add reduced_debug_output.h.
4445         * Makefile.in: Rebuild.
4446
4447 2008-05-21  Ian Lance Taylor  <iant@google.com>
4448
4449         * mapfile.cc: New file.
4450         * mapfile.h: New file.
4451         * options.h (class General_options): Add -M/--print-map and -Map.
4452         * options.cc (General_options::finalize): Make -M equivalent to
4453         -Map -.
4454         * main.cc: Include <cstdio> and "mapfile.h".
4455         (main): Open mapfile if requested.
4456         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4457         constructor.  Change caller.
4458         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4459         (queue_middle_tasks): Likewise.
4460         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4461         declarations.
4462         * archive.cc: Include "mapfile.h".
4463         (Archive::add_symbols): Add mapfile parameter.  Change all
4464         callers.  Pass mapfile, symbol, and reason to include_member.
4465         (Archive::include_all_members): Add mapfile parameter.  Change all
4466         callers.
4467         (Archive::include_member): Add mapfile, sym, and why parameters.
4468         Change all callers.  Report inclusion to map file.
4469         * archive.h: Include "fileread.h".
4470         (class Archive): Update declarations.
4471         (Archive::file): New const method.
4472         (class Add_archive_symbols): Add mapfile_ field.  Update
4473         constructor.  Change all callers.
4474         * readsyms.h (class Read_symbols): Likewise.
4475         (class Finish_group): Likewise.
4476         (class Read_script): Likewise.
4477         * common.cc: Include "mapfile.h".
4478         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4479         all callers.
4480         (Symbol_table::do_allocate_commons): Likewise.
4481         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4482         symbol allocation to mapfile.
4483         * common.h (class Allocate_commons_task): Add mapfile_ field.
4484         Update constructor.  Change all callers.
4485         * symtab.h (class Symbol_table): Update declarations.
4486         * layout.cc: Include "mapfile.h".
4487         (Layout_task_runner::run): Print information to mapfile.
4488         (Layout::create_gold_note): Change Output_data_fixed_space to
4489         Output_data_zero_fill.
4490         (Layout::create_build_id): Likewise.
4491         (Layout::print_to_mapfile): New function.
4492         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4493         constructor.  Change caller.
4494         (class Layout): Declare print_to_mapfile.
4495         * output.cc (Output_section::Input_section::print_to_mapfile): New
4496         function.
4497         (Output_section::add_input_section): If producing a map, always
4498         add to input_sections_ list.
4499         (Output_section::do_print_to_mapfile): New function.
4500         (Output_segment::print_sections_to_mapfile): New function.
4501         (Output_segment::print_section_list_to_mapfile): New function.
4502         * output.h: Include "mapfile.h".
4503         (Output_data::print_to_mapfile): New function.
4504         (Output_data::do_print_to_mapfile): New virtual function.
4505         (Output_segment_headers::do_print_to_mapfile): New function.
4506         (Output_file_header::do_print_to_mapfile): New function.
4507         (Output_data_const::do_print_to_mapfile): New function.
4508         (class Output_data_const_buffer): Add map_name_ field.  Update
4509         constructor.  Change all callers.  Add do_print_to_mapfile
4510         function.
4511         (class Output_data_fixed_space): Likewise.
4512         (class Output_data_space): Likewise.
4513         (class Output_data_zero_fill): New class.
4514         (Output_data_strtab::do_print_to_mapfile): New function.
4515         (Output_data_reloc_base::do_print_to_mapfile): New function.
4516         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4517         (Output_data_group::do_print_to_mapfile): New function.
4518         (Output_data_got::do_print_to_mapfile): New function.
4519         (Output_data_dynamic::do_print_to_mapfile): New function.
4520         (Output_symtab_xindex::do_print_to_mapfile): New function.
4521         (class Output_section): Declare do_print_to_mapflie.  Declare
4522         print_to_mapfile in Input_section.
4523         (class Output_segment): Declare new functions.
4524         * object.h (Sized_relobj::symbol_count): New function.
4525         * script-sections.cc
4526         (Output_section_element_dot_assignment::set_section_addresses):
4527         Change Output_data_fixed_space to Output_data_zero_fill.
4528         (Output_data_expression::do_print_to_mapfile): New function.
4529         * script.cc (read_input_script): Add mapfile parameter.  Change
4530         all callers.
4531         * script.h (read_input_script): Update declaration.
4532         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4533         (Eh_frame::do_print_to_mapfile): New function.
4534         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4535         (Output_merge_string::do_print_to_mapfile): New function.
4536         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4537         function.
4538         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4539         function.
4540         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4541         function.
4542         * Makefile.am (CCFILES): Add mapfile.cc.
4543         (HFILES): Add mapfile.h.
4544         * Makefile.in: Rebuild.
4545
4546 2008-05-19  Ian Lance Taylor  <iant@google.com>
4547
4548         * options.h (class General_options): Add -z relro.
4549         * layout.cc (Layout::Layout): Initialize relro_segment_.
4550         (Layout::add_output_section_data): Return the output section.
4551         (Layout::make_output_section): Rcognize relro sections and mark
4552         them appropriately.
4553         (Layout::attach_allocated_section_to_segment): Put relro sections
4554         in a PT_GNU_RELRO segment.
4555         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4556         section as relro.
4557         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4558         PT_TLS segments.
4559         (Layout::linkonce_mapping): Map d.rel.ro.local to
4560         .data.rel.ro.local.
4561         (Layout::output_section_name): Us .data.rel.ro.local for any
4562         section which begins with that.
4563         * layout.h (class Layout): Update add_output_section_data
4564         declaration.  Add relro_segment_ field.
4565         * output.cc (Output_section::Output_section): Initialize is_relro_
4566         and is_relro_local_ fields.
4567         (Output_segment::add_output_section): Group relro sections.
4568         (Output_segment::is_first_section_relro): New function.
4569         (Output_segment::maximum_alignment): If there is a relro section,
4570         align the segment to the common page size.
4571         (Output_segment::set_section_addresses): Track whether we are
4572         looking at relro sections.  If the last section is a relro
4573         section, align to the common page size.
4574         (Output_segment::set_section_list_addresses): Add in_relro
4575         parameter.  Change all callers.  Align to the page size when
4576         moving from relro to non-relro section.
4577         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4578         segment.
4579         * output.h (class Output_section): Add is_relro_ and
4580         is_relro_local_ fields.
4581         (Output_section::is_relro): New function.
4582         (Output_section::set_is_relro): New function.
4583         (Output_section::is_relro_local): New function.
4584         (Output_section::set_is_relro_local): New function.
4585         (class Output_segment): Update declarations.
4586         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4587         * sparc.cc (Target_sparc::got_section): Likewise.
4588         * x86_64.cc (Target_x86_64::got_section): Likewise.
4589         * testsuite/relro_test_main.cc: New file.
4590         * testsuite/relro_test.cc: New file.
4591         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4592         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4593         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4594         (relro_test.so, relro_test_pic.o): New targets.
4595         * testsuite/Makefile.in: Rebuild.
4596
4597 2008-05-16  Ian Lance Taylor  <iant@google.com>
4598
4599         * output.cc (Output_segment::add_output_section): Remove front
4600         parameter.
4601         * output.h (class Output_segment): Remove
4602         add_initial_output_section and overloaded add_output_section.
4603         Update declaration of remaining add_output_section.
4604         * layout.cc (Layout::create_interp): Call add_output_section
4605         rather than add_initial_output_section.
4606         (Layout::finish_dynamic_section): Likewise.
4607
4608         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4609         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4610         know the dynamic type.
4611         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4612         field.  Initialize it in constructor.
4613         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4614         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4615         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4616         reloc.
4617
4618         * output.cc (Output_reloc::get_address): Change return type to
4619         Elf_Addr.
4620         * output.h (class Output_reloc): Update get_address declaration.
4621         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4622         for section addresses.
4623
4624 2008-05-09  Ian Lance Taylor  <iant@google.com>
4625
4626         PR 6493
4627         * gold.cc (gold_nomem): Use return value of write.
4628
4629 2008-05-08  Ian Lance Taylor  <iant@google.com>
4630
4631         * symtab.c (Symbol::init_base_output_data): Add version
4632         parameter.  Change all callers.
4633         (Symbol::init_base_output_segment): Likewise.
4634         (Symbol::init_base_constant): Likewise.
4635         (Symbol::init_base_undefined): Likewise.
4636         (Sized_symbol::init_output_data): Likewise.
4637         (Sized_symbol::init_output_segment): Likewise.
4638         (Sized_symbol::init_constant): Likewise.
4639         (Sized_symbol::init_undefined): Likewise.
4640         (Symbol_table::do_define_in_output_data): If the new symbol has a
4641         version, mark it as the default.
4642         (Symbol_table::do_define_in_output_segment): Likewise.
4643         (Symbol_table::do_define_as_constant): Likewise.
4644         * symtab.h (class Symbol): Update declarations.
4645         (class Sized_symbol): Likewise.
4646         * resolve.cc (Symbol::override_version): New function.
4647         (Symbol::override_base): Call override_version.
4648         (Symbol::override_base_with_special): Likewise.
4649         * testsuite/ver_script_8.script: New file.
4650         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4651         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4652         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4653         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4654
4655 2008-05-06  Ian Lance Taylor  <iant@google.com>
4656
4657         PR 6049
4658         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4659         functions.
4660         (class General_options): Remove existing --undefined, and add
4661         --no-undefined instead.  Add new --undefined as synonym for -u.
4662         * archive.cc (Archive::add_symbols): Check whether symbol was
4663         named with -u.
4664         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4665         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4666         all uses.  Add IS_UNDEFINED.  Update declarations to split
4667         different versions of init_base.  Declare init_base_undefined.
4668         (Symbol::is_defined): Handle IS_UNDEFINED.
4669         (Symbol::is_undefined): Likewise.
4670         (Symbol::is_weak_undefined): Call is_undefined.
4671         (Symbol::is_absolute): Handle IS_CONSTANT.
4672         (class Sized_symbol): Update declarations to split different
4673         versions of init.  Declare init_undefined.
4674         (class Symbol_table): Declare new functions.
4675         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4676         Change all callers.
4677         (Symbol::init_base_output_data): Likewise.
4678         (Symbol::init_base_output_segment): Likewise.
4679         (Symbol::init_base_constant): Likewise.
4680         (Symbol::init_base_undefined): New function.
4681         (Sized_symbol::init_object): Rename from init.  Change all
4682         callers.
4683         (Sized_symbol::init_output_data): Likewise.
4684         (Sized_symbol::init_output_segment): Likewise.
4685         (Sized_symbol::init_constant): Likewise.
4686         (Sized_symbol::init_undefined): New function.
4687         (Symbol_table::add_undefined_symbols_from_command_line): New
4688         function.
4689         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4690         function.
4691         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4692         (Symbol::output_section): Likewise.
4693         (Symbol::set_output_section): Likewise.
4694         (Symbol_table::sized_finalize_symbol): Likewise.
4695         (Symbol_table::sized_write_globals): Likewise.
4696         * resolve.cc (Symbol_table::should_override): Likewise.
4697         (Symbol::override_base_with_special): Likewise.
4698
4699         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4700         symbol, change it to have default visibility.
4701         * testsuite/protected_1.cc: New file.
4702         * testsuite/protected_2.cc: New file.
4703         * testsuite/protected_3.cc: New file.
4704         * testsuite/protected_main_1.cc: New file.
4705         * testsuite/protected_main_2.cc: New file.
4706         * testsuite/protected_main_3.cc: New file.
4707         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4708         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4709         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4710         (protected_1.so): New target.
4711         (protected_1_pic.o, protected_2_pic.o): New targets.
4712         (protected_3_pic.o): New target.
4713         (check_PROGRAMS): Add protected_2.
4714         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4715         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4716         * testsuite/Makefile.in: Rebuild.
4717
4718         * options.h (DEFINE_var): Add set_user_set_##varname__.
4719         (DEFINE_bool_alias): New macro.
4720         (class General_options): Define -Bstatic using DEFINE_bool_alias
4721         rather than DEFINE_special.  Add --undefined as an alias for -z
4722         defs.
4723         * options.cc (General_options::parse_Bstatic): Remove.
4724
4725         * options.h (class General_options): Add --fatal-warnings.
4726         * main.cc (main): Implement --fatal-warnings.
4727         * errors.h (Errors::warning_count): New function.
4728
4729         * options.h (class General_options): Add -Bsymbolic-functions.
4730         * symtab.h (Symbol::is_preemptible): Check for
4731         -Bsymbolic-functions.
4732
4733 2008-05-05  Ian Lance Taylor  <iant@google.com>
4734
4735         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4736         as noVARNAME rather than no-VARNAME.
4737         (class General_options): Add option -z combreloc.
4738         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4739         get_address.
4740         (Output_reloc::sort_before) [SHT_REL]: New function.
4741         (Output_reloc::sort_before) [SHT_RELA]: New function.
4742         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4743         Sort_relocs_comparison.
4744         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4745         parameter.  Change all callers.
4746         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4747         sort_relocs parameter.  Change all callers.
4748         * output.cc (Output_reloc::get_address): New function, broken out
4749         of write_rel.
4750         (Output_reloc::write_rel): Call it.
4751         (Output_reloc::compare): New function.
4752         (Output_data_reloc_base::do_write): Optionally sort relocs.
4753
4754         * configure.ac: If targ_extra_obj is set, link it in.
4755         * configure.tgt: Initialize all variables.
4756         (x86_64*): Set targ_extra_obj and targ_extra_size.
4757         * configure: Rebuild.
4758
4759         * object.cc (Sized_relobj::include_section_group): Adjust section
4760         indexes read from group data.  Build vector to pass to
4761         layout_group.
4762         * layout.cc (Layout::layout_group): Add flags and shndxes
4763         parameters.  Remove contents parameter.  Change caller.  Update
4764         explicit instantiations.
4765         * layout.h (class Layout): Update layout_group declaration.
4766         * output.cc (Output_data_group::Output_data_group): Add flags and
4767         input_shndxes parameters.  Remove contents parameter.  Change
4768         caller.
4769         (Output_data_group::do_write): Change input_sections_ to
4770         input_shndxes_.
4771         * output.h (class Output_data_group): Update constructor
4772         declaration.  Rename input_sections_ to input_shndxes_.
4773         * testsuite/many_sections_test.cc: Add template.
4774
4775 2008-04-30  Cary Coutant  <ccoutant@google.com>
4776
4777         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4778
4779         * layout.cc (Layout::include_section): Refactored check for debug
4780         info section.
4781         (Layout::add_comdat): Add new parameters.  Change type
4782         of signature parameter.  Add object and shndx to signatures table.
4783         (Layout::find_kept_object): New function.
4784         * layout.h: Include <cstring>.
4785         (Layout::is_debug_info_section): New function.
4786         (Layout::add_comdat): Add new parameters.
4787         (Layout::find_kept_object): New function.
4788         (Layout::Kept_section): New struct.
4789         (Layout::Signatures): Change type of map range.
4790         * object.cc (Relobj::output_section_address): New function.
4791         (Sized_relobj::include_section_group): Add new parameters.  Change
4792         calls to Layout::add_comdat.  Change to build table of kept comdat
4793         groups and table mapping discarded sections to kept sections.
4794         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4795         (Sized_relobj::do_layout): Change calls to include_section_group and
4796         include_linkonce_section.
4797         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4798         value to zero when section is discarded.
4799         (Sized_relobj::map_to_kept_section): New function.
4800         * object.h (Relobj::output_section_address): New function.
4801         (Relobj::Comdat_group): New type.
4802         (Relobj::find_comdat_group): New function.
4803         (Relobj::Comdat_group_table): New type.
4804         (Relobj::Kept_comdat_section): New type.
4805         (Relobj::Kept_comdat_section_table): New type.
4806         (Relobj::add_comdat_group): New function.
4807         (Relobj::set_kept_comdat_section): New function.
4808         (Relobj::get_kept_comdat_section): New function.
4809         (Relobj::comdat_groups_): New field.
4810         (Relobj::kept_comdat_sections_): New field.
4811         (Symbol_value::input_value): Update comment.
4812         (Sized_relobj::map_to_kept_section) New function.
4813         (Sized_relobj::include_linkonce_section): Add new parameter.
4814         * target-reloc.h (Comdat_behavior): New type.
4815         (get_comdat_behavior): New function.
4816         (relocate_section): Add code to map a discarded section to the
4817         corresponding kept section when applying a relocation.
4818
4819 2008-04-30  Craig Silverstein  <csilvers@google.com>
4820
4821         * dwarf_reader.cc (next_generation_count): New static var.
4822         (Addr2line_cache_entry): New struct.
4823         (addr2line_cache): New static var.
4824         (Dwarf_line_info::one_addr2line): Added caching.
4825         (Dwarf_line_info::clear_addr2line_cache): New function.
4826         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4827         cache-size parameter.
4828         (Dwarf_line_info::one_addr2line_cache): New function.
4829         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4830         new cache-size argument to one_addr2line(), and clear cache.
4831
4832 2008-04-28  Cary Coutant  <ccoutant@google.com>
4833
4834         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4835         R_386_PC8 relocations.
4836
4837 2008-04-23  Ian Lance Taylor  <iant@google.com>
4838
4839         * object.cc (Sized_relobj::include_section_group): Check for
4840         invalid section group.
4841
4842         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4843         header size.
4844
4845         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4846         than read for file header.
4847         * archive.cc (Archive::include_member): Likewise.
4848
4849 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4850
4851         * aclocal.m4: Regenerate.
4852         * configure: Regenerate.
4853
4854 2008-04-19  Ian Lance Taylor  <iant@google.com>
4855
4856         * version.cc (version_string): Bump to 1.6.
4857
4858         * testsuite/Makefile.am (many_sections_r_test): New target.
4859         (many_sections_r_test_SOURCES): Remove.
4860         (many_sections_r_test_DEPENDENCIES): Remove.
4861         (many_sections_r_test_LDFLAGS): Remove.
4862         (many_sections_r_test_LDADD): Remove.
4863
4864         * object.cc (Sized_relobj::do_add_symbols): Always pass
4865         local_symbol_count_ to add_from_relobj.
4866
4867         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4868         every thousand variables.
4869         * testsuite/Makefile.in: Rebuild.
4870
4871         * object.cc (Xindex::initialize_symtab_xindex): New function.
4872         (Xindex::read_symtab_xindex): New function.
4873         (Xindex::sym_xindex_to_shndx): New function.
4874         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4875         available.
4876         (Sized_relobj::do_initialize_xindex): New function.
4877         (Sized_relobj::do_read_symbols): Adjust section links.
4878         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4879         parameter.  Change all callers.
4880         (Sized_relobj::include_section_group): Adjust section links and
4881         symbol section indexes.
4882         (Sized_relobj::do_layout): Adjust section links.
4883         (Sized_relobj::do_count_local_symbols): Adjust section links and
4884         symbol section indexes.
4885         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4886         ordinary and special symbols.
4887         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4888         dynsym_xindex parameters.  Change all callers.  Adjust section
4889         links.  Use SHN_XINDEX when needed.
4890         (Sized_relobj::get_symbol_location_info): Adjust section links.
4891         Don't get fooled by special symbols.
4892         * object.h (class Xindex): Define.
4893         (class Object): Add xindex_ parameter.  Declare virtual functoin
4894         do_initialize_xindex.
4895         (Object::adjust_sym_shndx): New function.
4896         (Object::set_xindex): New protected function.
4897         (class Symbol_value): Add is_ordinary_shndx_ field.
4898         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4899         (Symbol_value::value): Assert ordinary section.
4900         (Symbol_value::initialize_input_to_output_map): Likewise.
4901         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4902         Change all callers.
4903         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4904         all callers.
4905         (class Sized_relobj): Update declarations.
4906         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4907         parameter.  Change all callers.
4908         (Sized_relobj::adjust_shndx): New function.
4909         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4910         field.
4911         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4912         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4913         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4914         (Sized_dynobj::read_dynsym_section): Adjust section links.
4915         (Sized_dynobj::read_dynamic): Likewise.
4916         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4917         section links.
4918         (Sized_dynobj::do_initialize_xindex): New function.
4919         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4920         do_initialize_xindex.
4921         (Sized_dynobj::adjust_shndx): New function.
4922         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4923         dynsym_xindex_ fields.
4924         (Layout::finalize): Add a call to set_section_indexes before
4925         creating the symtab sections.
4926         (Layout::set_section_indexes): Don't do anything if the section
4927         already has a section index.
4928         (Layout::create_symtab_sections): Add shnum parameter.  Change
4929         caller.  Create .symtab_shndx section if needed.
4930         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4931         caller.
4932         (Layout::allocated_output_section_count): New function.
4933         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4934         needed.
4935         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4936         fields.  Update declarations.
4937         (Layout::symtab_xindex): New function.
4938         (Layout::dynsym_xindex): New function.
4939         (class Write_symbols_task): Add layout_ field.
4940         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4941         Change caller.
4942         * output.cc (Output_section_headers::Output_section_headers): Add
4943         shstrtab_section parameter.  Change all callers.
4944         (Output_section_headers::do_sized_write): Store overflow values
4945         for section count and section string table section index in
4946         section header zero.
4947         (Output_file_header::do_sized_write): Check for overflow of
4948         section count and section string table section index.
4949         (Output_symtab_xindex::do_write): New function.
4950         (Output_symtab_xindex::endian_do_write): New function.
4951         * output.h (class Output_section_headers): Add shstrtab_section_.
4952         Update declarations.
4953         (class Output_symtab_xindex): Define.
4954         (Output_section::has_out_shndx): New function.
4955         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4956         field.
4957         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4958         Change all callers.
4959         (Sized_symbol::init): Likewise.
4960         (Symbol::output_section): Check for ordinary symbol.
4961         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4962         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4963         callers.
4964         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4965         Change all callers.  Simplify handling of symbols from sections
4966         not included in the link.
4967         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4968         distinction.
4969         (Weak_alias_sorter::operator()): Assert that symbols are
4970         ordinary.
4971         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4972         distinction.
4973         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4974         parameters.  Change all callers.
4975         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4976         symbol distinction.  Use SHN_XINDEX when needed.
4977         (Symbol_table::write_section_symbol): Add symtab_xindex
4978         parameter.  Change all callers.
4979         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4980         SHN_XINDEX when needed.
4981         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4982         declarations.
4983         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4984         (Symbol::is_defined): Check is_ordinary.
4985         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4986         (Symbol::is_absolute, Symbol::is_common): Likewise.
4987         (class Sized_symbol): Update declarations.
4988         (class Symbol_table): Update declarations.
4989         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4990         parameters.  Change all callers.
4991         (Sized_symbol::override): Likewise.
4992         (Symbol_table::override): Likewise.
4993         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4994         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4995         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4996         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4997         to be in an ordinary section.
4998         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4999         object and is_ordinary parameters.  Change all callers.
5000         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5001         Change all callers.  Don't add undefined or non-ordinary symbols
5002         to reloc_map_.
5003         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5004         Change all callers.
5005         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5006         declarations.
5007         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5008         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5009         (Sized_relobj::relocate_sections): Likewise.
5010         * target-reloc.h (scan_relocs): Adjust section symbol index.
5011         (scan_relocatable_relocs): Likewise.
5012         * i386.cc (Scan::local): Check for ordinary symbols.
5013         * sparc.cc (Scan::local): Likewise.
5014         * x86_64.cc (Scan::local): Likewise.
5015         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5016         to symbol_section_and_value.
5017         * testsuite/many_sections_test.cc: New file.
5018         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5019         (check_PROGRAMS): Add many_sections_test.
5020         (many_sections_test_SOURCES): Define.
5021         (many_sections_test_DEPENDENCIES): Define.
5022         (many_sections_test_LDFLAGS): Define.
5023         (BUILT_SOURCES): Add many_sections_define.h.
5024         (many_sections_define.h): New target.
5025         (BUILT_SOURCES): Add many_sections_check.h.
5026         (many_sections_check.h): New target.
5027         (check_PROGRAMS): Add many_sections_r_test.
5028         (many_sections_r_test_SOURCES): Define.
5029         (many_sections_r_test_DEPENDENCIES): Define.
5030         (many_sections_r_test_LDFLAGS): Define.
5031         (many_sections_r_test_LDADD): Define.
5032         (many_sections_r_test.o): New target.
5033         * testsuite/Makefile.in: Rebuild.
5034
5035 2008-04-17  Cary Coutant  <ccoutant@google.com>
5036
5037         * errors.cc (Errors::info): New function.
5038         (gold_info): New function.
5039         * errors.h (Errors::info): New function.
5040         * gold.h (gold_info): New function.
5041         * object.cc (Input_objects::add_object): Print trace output.
5042         * options.cc (options::parse_set): New function.
5043         (General_options::parse_wrap): Deleted.
5044         (General_options::General_options): Deleted initializer.
5045         * options.h (options::String_set): New typedef.
5046         (options::parse_set): New function.
5047         (DEFINE_set): New macro.
5048         (General_options::wrap): Changed to use DEFINE_set. Changed
5049         callers of any_wrap_symbols and is_wrap_symbol.
5050         (General_options::trace, General_options::trace_symbol):
5051         New options.
5052         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5053         (General_options::wrap_symbols_): Deleted.
5054         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5055
5056 2008-04-17  David S. Miller  <davem@davemloft.net>
5057
5058         * options.cc (General_options::parse_V): New function.
5059         * options.h: Add entries for -V and -Qy.
5060
5061 2008-04-17  Ian Lance Taylor  <iant@google.com>
5062
5063         * common.cc (Symbol_table::allocate_commons): Remove options
5064         parameter.  Change caller.
5065         (Symbol_table::do_allocate_commons): Remove options parameter.
5066         Change caller.  Just call do_allocate_commons_list twice.
5067         (Symbol_table::do_allocate_commons_list): New function, broken out
5068         of do_allocate_commons.
5069         * common.h (class Allocate_commons_task): Remove options_ field.
5070         Update constructor.
5071         * symtab.cc (Symbol_table::Symbol_table): Initialize
5072         tls_commons_.
5073         (Symbol_table::add_from_object): Put TLS common symbols on
5074         tls_commons_ list.
5075         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5076         which are IN_OUTPUT_DATA.
5077         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5078         allocate_commons and do_allocate_commons declarations.  Declare
5079         do_allocate_commons_list.
5080         * gold.cc (queue_middle_tasks): Update creation of
5081         Allocate_commons_task to not pass options.
5082         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5083         (TLS_TEST_C_FLAGS): New variable.
5084         (tls_test_c_pic.o): New target.
5085         (tls_test_shared.so): Link in tls_test_c_pic.o.
5086         (tls_test_c_pic_ie.o): New target.
5087         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5088         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5089         (tls_test_c.o): New target.
5090         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5091         (tls_pic_test_LDADD): Likewise.
5092         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5093         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5094         (tls_test_c_gnu2.o): New target.
5095         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5096         tls_test_c_gnu2.o.
5097         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5098         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5099         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5100         * testsuite/tls_test.cc: Include "config.h".
5101         (t_last): Call t11_last.
5102         * testsuite/tls_test.h (t11, t11_last): Declare.
5103         * testsuite/tls_test_c.c: New file.
5104         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5105         * configure.ac: Check for OpenMP support.
5106         * configure, config.in, Makefile.in: Rebuild.
5107         * testsuite/Makefile.in: Rebuild.
5108
5109 2008-04-16  Cary Coutant  <ccoutant@google.com>
5110
5111         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5112         (Target_i386::tls_base_symbol_defined_): New field.
5113         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5114         (Target_i386::Scan::global): Likewise.
5115         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5116         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5117         (Target_x86_64::tls_base_symbol_defined_): New field.
5118         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5119         (Target_x86_64::Scan::global): Likewise.
5120
5121 2008-04-16  Cary Coutant  <ccoutant@google.com>
5122
5123         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5124         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5125         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5126         building shared libraries.
5127         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5128         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5129         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5130         * testsuite/Makefile.in: Rebuild.
5131         * testsuite/weak_undef.h: New file.
5132         * testsuite/weak_undef_file1.cc: Add extra test cases.
5133         * testsuite/weak_undef_file2.cc: Likewise.
5134         * testsuite/weak_undef_test.cc: Likewise.
5135
5136 2008-04-16  David S. Miller  <davem@davemloft.net>
5137
5138         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5139         Add issued_non_pic_error_ field.  Declare check_non_pic.
5140         (Target_sparc::Scan::check_non_pic): New function.
5141         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5142         (Target_sparc::Scan::global): Likewise.
5143
5144         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5145         * configure: Rebuild.
5146
5147         * options.h (DEFINE_enable): New macro.
5148         (new_dtags): New enable option.
5149         (initfirst, interpose, loadfltr, nodefaultlib,
5150         nodelete, nodlopen, nodump): New -z options.
5151         * layout.cc (Layout:finish_dynamic_section): If new
5152         dtags enabled, emit DT_RUNPATH.  Also, emit a
5153         DT_FLAGS_1 containing any specified -z flags.
5154
5155 2008-04-16  Ian Lance Taylor  <iant@google.com>
5156
5157         * copy-relocs.cc: New file.
5158         * copy-relocs.h: New file.
5159         * reloc.cc: Remove Copy_relocs code.
5160         * reloc.h: Likewise.
5161         * reloc-types.h (struct Reloc_types) [both versions]: Add
5162         get_reloc_addend_noerror.
5163         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5164         variants of add_global which take an addend which must be zero.
5165         * i386.cc: Include "copy-relocs.h".
5166         (class Target_i386): Change type of copy_relocs_ to variable,
5167         update initializer.
5168         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5169         Change all callers.
5170         (Target_i386::do_finalize_sections): Change handling of
5171         copy_relocs_.
5172         * sparc.cc: Include "copy-relocs.h".
5173         (class Target_sparc): Change type of copy_relocs_ to variable,
5174         update initializer.
5175         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5176         Change all callers.
5177         (Target_sparc::do_finalize_sections): Change handling of
5178         copy_relocs_.
5179         * x86_64.cc: Include "copy-relocs.h".
5180         (class Target_x86_64): Change type of copy_relocs_ to variable,
5181         update initializer.
5182         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5183         class.  Change all callers.
5184         (Target_x86_64::do_finalize_sections): Change handling of
5185         copy_relocs_.
5186         * Makefile.am (CCFILES): Add copy-relocs.cc.
5187         (HFILES): Add copy-relocs.h.
5188
5189         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5190
5191         * testsuite/script_test_4.sh: Permit leading zeroes.
5192
5193 2008-04-15  Ian Lance Taylor  <iant@google.com>
5194
5195         * script-sections.cc (Script_sections::create_segments): Use
5196         header_size_adjustment even when there is enough room for the
5197         headers.
5198         * testsuite/script_test_4.sh: New file.
5199         * testsuite/script_test_4.t: New file.
5200         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5201         (check_DATA): Add script_test_4.stdout.
5202         (MOSTLYCLEANFILES): Likewise.
5203         (script_test_4): New target.
5204         (script_test_4.stdout): New target.
5205         * testsuite/Makefile.in: Rebuild.
5206
5207         * sparc.cc: Add definitions for Output_data_plt_sparc class
5208         constants.
5209
5210 2008-04-14  David S. Miller  <davem@davemloft.net>
5211
5212         * sparc.cc: New file.
5213         * Makefile.am (TARGETSOURCES): Add sparc.cc
5214         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5215         * configure.tgt: Document targ_extra_size and
5216         targ_extra_big_endian.  Add entries for sparc-* and
5217         sparc64-*.
5218         * configure.ac: Handle targ_extra_size and
5219         targ_extra_big_endian.
5220         * Makefile.in: Rebuild.
5221         * configure: Likewise.
5222         * po/POTFILES.in: Likewise.
5223         * po/gold.pot: Likewise.
5224
5225 2008-04-14  Ian Lance Taylor  <iant@google.com>
5226
5227         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5228         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5229         in the name/type/flags to section mapping.  Don't call
5230         allocate_output_section.
5231         (Layout::choose_output_section): Change parameter from adjust_name
5232         to is_input_section.  Don't permit input sections after sections
5233         are attached to segments.  Don't call allocate_output_section.
5234         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5235         not write_enable_output_section.
5236         (Layout::make_output_section): Don't push to
5237         unattached_section_list_ nor call attach_to_segment.  Call
5238         attach_section_to_segment if sections are attached.
5239         (Layout::attach_sections_to_segments): New function.
5240         (Layout::attach_section_to_segment): New function.
5241         (Layout::attach_allocated_section_to_segment): Rename from
5242         attach_to_segment.  Remove flags parameter.
5243         (Layout::allocate_output_section): Remove function.
5244         (Layout::write_enable_output_section): Remove function.
5245         * layout.h (class Layout): Update for above changes.  Add new
5246         field sections_are_attached_.
5247         * output.h (Output_section::update_flags_for_input_section): New
5248         function.
5249         * output.cc (Output_section::add_input_section): Call
5250         update_flags_for_input_section.
5251         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5252
5253 2008-04-11  Cary Coutant  <ccoutant@google.com>
5254
5255         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5256         thought unnecessary.
5257         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5258
5259 2008-04-11  Ian Lance Taylor  <iant@google.com>
5260
5261         * output.h (class Output_section_data): Remove inline definition
5262         of set_addralign.
5263         * output.cc (Output_section_data::set_addralign): New function.
5264
5265 2008-04-11  Cary Coutant  <ccoutant@google.com>
5266
5267         Add support for TLS descriptors for i386 and x86_64.
5268         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5269         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5270         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5271         GOT_TYPE_TLS_DESC.
5272         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5273         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5274         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5275         relocations.
5276         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5277         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5278         Fix problem with initial-exec relocations.
5279         (Target_i386::Relocate::relocate_tls): Likewise.
5280         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5281         relaxation.
5282         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5283         support for section-plus-offset dynamic table entries.
5284         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5285         (Output_data_dynamic::Dynamic_entry): Add support for
5286         section-plus-offset dynamic table entries.
5287         (Output_data_dynamic::Classification): Likewise.
5288         (Output_data_dynamic::classification_): Renamed offset_.
5289         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5290         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5291         (Target_x86_64::make_plt_section): New function.
5292         (Target_x86_64::reserve_tlsdesc_entries): New function.
5293         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5294         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5295         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5296         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5297         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5298         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5299         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5300         add extra PLT entry for TLS descriptors.
5301         (Output_data_plt_x86_64::got_): New field.
5302         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5303         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5304         fields.
5305         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5306         descriptors.
5307         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5308         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5309         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5310         R_386_TLS_DESC_CALL relocations.
5311         (Target_x86_64::Scan::global): Likewise.
5312         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5313         for TLS descriptors.
5314         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5315         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5316         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5317         GD-to-IE relaxation.
5318         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5319         and TLS_DESCRIPTORS.
5320         * Makefile.in: Rebuild.
5321         * configure: Rebuild.
5322         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5323         (tls_test_shared2.so): New target.
5324         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5325         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5326         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5327         (tls_shared_gd_to_ie_test_LDADD): New variable.
5328         (tls_shared_gnu2_gd_to_ie_test): New target.
5329         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5330         New targets.
5331         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5332         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5333         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5334         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5335         (tls_shared_gnu2_test): New target.
5336         (tls_test_gnu2_shared.so): New target.
5337         (tls_shared_gnu2_test_SOURCES): New variable.
5338         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5339         (tls_shared_gnu2_test_LDFLAGS): New variable.
5340         (tls_shared_gnu2_test_LDADD): New variable.
5341         * testsuite/Makefile.in: Rebuild.
5342         * testsuite/Makefile.
5343
5344 2008-04-11  Ian Lance Taylor  <iant@google.com>
5345
5346         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5347         justsyms.t.
5348         * testsuite/Makefile.in: Rebuild.
5349
5350         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5351         long.
5352         * testsuite/script_test_2.cc (main): Adjust test.
5353
5354 2008-04-11  David S. Miller  <davem@davemloft.net>
5355             Ian Lance Taylor  <iant@google.com>
5356
5357         * options.h (General_options): Add entries for '-Y' and
5358         '-relax'.
5359         * options.cc (General_options:finalize): If -Y was used, add those
5360         entries to the library path instead of the default "/lib" and
5361         "/usr/lib".
5362
5363 2008-04-11  David S. Miller  <davem@davemloft.net>
5364
5365         * testsuite/justsyms.t: Start at 0x100.
5366         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5367         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5368         long.
5369         * testsuite/script_test_2.cc: Adjust string and section length
5370         checks.
5371
5372 2008-04-09  Ian Lance Taylor  <iant@google.com>
5373
5374         PR gold/5996
5375         * script-sections.cc (Sections_element::allocate_to_segment): Add
5376         orphan parameter.
5377         (Output_section_definition::allocate_to_segment): Likewise.
5378         (Orphan_output_section::allocate_to_segment): Likewise.
5379         (Script_sections::attach_sections_using_phdrs_clause): Don't
5380         propagate non-PT_LOAD segments to orphan sections.
5381         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5382         readelf rather than objdump.
5383         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5384         .interp section and PT_INTERP segment are the same size.
5385         * testsuite/Makefile.in: Rebuild.
5386
5387         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5388         aliases for symbols defined in the same object.
5389         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5390         (weak_alias_test_SOURCES): New variable.
5391         (weak_alias_test_DEPENDENCIES): New variable.
5392         (weak_alias_test_LDFLAGS): New variable.
5393         (weak_alias_test_LDADD): New variable.
5394         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5395         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5396         (weak_alias_test_3.o): New target.
5397         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5398         * testsuite/weak_alias_test_main.cc: New file.
5399         * testsuite/weak_alias_test_1.cc: New file.
5400         * testsuite/weak_alias_test_2.cc: New file.
5401         * testsuite/weak_alias_test_3.cc: New file.
5402
5403 2008-04-08  Ian Lance Taylor  <iant@google.com>
5404
5405         * options.h (class General_options): Add --noinhibit-exec option.
5406         * main.cc (main): Check --noinhibit-exec.
5407
5408         * options.h (class General_options): Define --wrap as a special
5409         option.  Add wrap_symbols_ field.
5410         (General_options::any_wrap_symbols): New function.
5411         (General_options::is_wrap_symbol): New function.
5412         * options.cc (General_options::parse_wrap): New function.
5413         (General_options::General_options): Initialize wrap_symbols_.
5414         * symtab.cc (Symbol_table::wrap_symbol): New function.
5415         (Symbol_table::add_from_object): Handle --wrap.
5416         * symtab.h (class Symbol_table): Declare wrap_symbol.
5417         * target.h (Target::wrap_char): New function.
5418         (Target::Target_info): Add wrap_char field.
5419         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5420         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5421         * testsuite/testfile.cc (Target_test::test_target_info):
5422         Likewise.
5423
5424         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5425         there is one.
5426
5427         * layout.h (class Layout): Add added_eh_frame_data_ field.
5428         * layout.cc (Layout::Layout): Initialize new field.
5429         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5430         output section until we find a section we merged successfully.
5431         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5432         that the size be non-zero.
5433
5434         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5435         qualifier.
5436
5437 2008-04-08  Craig Silverstein  <csilvers@google.com>
5438
5439         * configure.ac: Export new conditional variable HAVE_ZLIB.
5440         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5441         on HAVE_ZLIB.
5442         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5443         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5444
5445 2008-04-07  Ian Lance Taylor  <iant@google.com>
5446
5447         * version.cc (version_string): Set to "1.5".
5448
5449         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5450         Add issued_non_pic_error_ field.  Declare check_non_pic.
5451         (Target_x86_64::Scan::check_non_pic): New function.
5452         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5453         (Target_x86_64::Scan::global): Likewise.
5454
5455         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5456         addend parameter.  Change caller.  Handle merge sections.
5457         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5458         Address to Addend.  Don't add in the result of
5459         local_section_offset, pass down the addend and use the returned
5460         value.
5461         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5462         Update declarations of local_section_offset and symbol_value.
5463         * testsuite/two_file_test_1.cc (t18): New function.
5464         * testsuite/two_file_test_2.cc (f18): New function.
5465         * testsuite/two_file_test_main.cc (main): Call t18.
5466         * testsuite/two_file_test.h (t18, f18): Declare.
5467
5468         * configure.ac: Don't test for objdump, c++filt, or readelf.
5469         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5470         conditionals.
5471         (TEST_READELF): New variable.
5472         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5473         (check_PROGRAMS): Add two_file_strip_test.
5474         (two_file_strip_test): New target.
5475         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5476         (two_file_same_shared_strip_test_SOURCES): New variable.
5477         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5478         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5479         (two_file_same_shared_strip_test_LDADD): New variable.
5480         (two_file_shared_strip.so): New target.
5481         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5482         (ver_test_5.syms, ver_test_7.syms): Likewise.
5483         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5484         (strip_test_3.stdout): Use TEST_OBJDUMP.
5485         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5486
5487 2008-04-04  Cary Coutant  <ccoutant@google.com>
5488
5489         * symtab.h (Symbol::is_weak_undefined): New function.
5490         (Symbol::is_strong_undefined): New function.
5491         (Symbol::is_absolute): New function.
5492         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5493         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5494         absolute symbols.
5495         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5496         (weak_undef_test): New target.
5497         * testsuite/Makefile.in: Rebuild.
5498         * testsuite/weak_undef_file1.cc: New file.
5499         * testsuite/weak_undef_file2.cc: New file.
5500         * testsuite/weak_undef_test.cc: New file.
5501
5502 2008-04-03  Craig Silverstein  <csilvers@google.com>
5503
5504         * compressed_output.h (class Output_compressed_section): Use
5505         unsigned buffer.
5506         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5507         add zlib header.
5508         (zlib_compressed_suffix): Removed.
5509         (Output_compressed_section::set_final_data_size): Use unsigned
5510         buffers.
5511         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5512         Fix linker invocation.
5513         (flagstest_o_specialfile_and_compress_debug_sections):
5514         Likewise.
5515         * testsuite/Makefile.in: Regenerated.
5516
5517 2008-04-02  David S. Miller  <davem@davemloft.net>
5518
5519         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5520         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5521
5522 2008-04-02  Craig Silverstein  <csilvers@google.com>
5523
5524         * TODO: New file.
5525
5526 2008-04-02  Ian Lance Taylor  <iant@google.com>
5527
5528         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5529         parameters.  Update for new key type to views_.  Change all
5530         callers.
5531         (File_read::read): Adjust for byteshift in returned view.
5532         (File_read::add_view): New function, broken out of
5533         find_and_make_view.
5534         (File_read::make_view): New function, broken out of
5535         find_and_make_view.
5536         (File_read::find_or_make_view): Add offset and aligned
5537         parameters.  Rewrite accordingly.  Change all callers.
5538         (File_read::get_view): Add offset and aligned parameters.  Adjust
5539         for byteshift in return value.
5540         (File_read::get_lasting_view): Likewise.
5541         * fileread.h (class File_read): Update declarations.
5542         (class File_read::View): Add byteshift_ field.  Add byteshift to
5543         constructor.  Add byteshift method.
5544         * archive.h (Archive::clear_uncached_views): New function.
5545         (Archive::get_view): Add aligned parameter.  Change all callers.
5546         * object.h (Object::get_view): Add aligned parameter.  Change all
5547         callers.
5548         (Object::get_lasting_view): Likewise.
5549
5550         * fileread.cc (File_read::release): Don't call clear_views if
5551         there are multiple objects.
5552         * fileread.h (File_read::clear_uncached_views): New function.
5553         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5554         on the archive.
5555
5556 2008-03-31  Cary Coutant  <ccoutant@google.com>
5557
5558         Add thin archive support.
5559         * archive.cc (Archive::armagt): New const.
5560         (Archive::setup): Remove task parameter and calls to unlock.
5561         (Archive::unlock_nested_archives): New function.
5562         (Archive::read_header): Add nested_off parameter. Change
5563         all callers.
5564         (Archive::interpret_header): Likewise.
5565         (Archive::include_all_members): Change to handle thin
5566         archives.
5567         (Archive::include_member): Likewise.
5568         * archive.h (Archive::Archive): Add new parameters and
5569         initializers.
5570         (Archive::armagt): New const.
5571         (Archive::setup): Remove task parameter.
5572         (Archive::unlock_nested_archives): New function.
5573         (Archive::read_header): Add nested_off parameter.
5574         (Archive::interpret_header): Likewise.
5575         (Archive::Nested_archive_table): New typedef.
5576         (Archive::is_thin_archive_): New field.
5577         (Archive::nested_archives_): New field.
5578         (Archive::options_): New field.
5579         (Archive::dirpath_): New field.
5580         (Archive::task_): New field.
5581         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5582         for thin archives.  Pass additional parameters to
5583         Archive::Archive.  Unlock the archive file after calling
5584         Archive::setup.
5585
5586 2008-03-29  Ian Lance Taylor  <iant@google.com>
5587
5588         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5589         version symbol to be local.
5590         * testsuite/ver_test_4.sh: New file.
5591         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5592         (check_DATA): Add ver_test_4.syms.
5593         (ver_test_4.syms): New target.
5594         * testsuite/Makefile.in: Rebuild.
5595
5596         * output.cc
5597         (Output_section::Input_section_sort_entry::has_priority): New
5598         function.
5599         (Output_section::Input_section_sort_entry::match_file_name): New
5600         function.
5601         (Output_section::Input_section_sort_entry::match_section_name):
5602         Remove.
5603         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5604         Remove.
5605         (Output_section::Input_section_sort_entry::match_section_file):
5606         Remove.
5607         (Output_section::Input_section_sort_compare::operator()): Rewrite
5608         using new Input_section_sort_entry functions.  Sort crtbegin and
5609         crtend first.  Sort sections with no priority before sections with
5610         a priority.
5611         * testsuite/initpri1.c (d3): Check j != 4.
5612         (cd5): New constructor/destructor function.
5613         (main): Check j != 2.
5614
5615         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5616         new symbol when resolving, don't call set_is_default.
5617         * testsuite/ver_test_7.cc: New file.
5618         * testsuite/ver_test_7.sh: New file.
5619         * testsuite/Makefile.am (ver_test_7.so): New target.
5620         (ver_test_7.o): New target.
5621         (check_SCRIPTS): Add ver_test_7.sh.
5622         (check_DATA): Add ver_test_7.syms.
5623         (ver_test_7.syms): New target.
5624
5625 2008-03-28  Ian Lance Taylor  <iant@google.com>
5626
5627         * layout.cc (Layout::layout): If we see an input section with a
5628         name that needs sorting, set the must_sort flag for the output
5629         section.
5630         (Layout::make_output_section): If the name of the output section
5631         indicates that it might require sorting, set the may_sort flag.
5632         * output.h (Output_section::may_sort_attached_input_sections): New
5633         function.
5634         (Output_section::set_may_sort_attached_input_sections): New
5635         function.
5636         (Output_section::must_sort_attached_input_sections): New
5637         function.
5638         (Output_section::set_must_sort_attached_input_sections): New
5639         function.
5640         (class Output_section): Declare Input_section_sort_entry.  Define
5641         Input_section_sort_compare.  Declare
5642         sort_attached_input_sections.  Add new fields:
5643         may_sort_attached_input_sections_,
5644         must_sort_attached_input_sections_,
5645         attached_input_sections_are_sorted_.
5646         * output.cc (Output_section::Output_section): Initialize new
5647         fields.
5648         (Output_section::add_input_section): Add an entry to
5649         input_sections_ if may_sort or must_sort are true.
5650         (Output_section::set_final_data_size): Call
5651         sort_attached_input_sections if necessary.
5652         (Output_section::Input_section_sort_entry): Define new class.
5653         (Output_section::Input_section_sort_compare::operator()): New
5654         function.
5655         (Output_section::sort_attached_input_sections): New function.
5656         * configure.ac: Check whether the compiler supports constructor
5657         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5658         * testsuite/initpri1.c: New file.
5659         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5660         CONSTRUCTOR_PRIORITY.
5661         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5662         (initpri1_LDFLAGS): New variable.
5663         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5664
5665 2008-03-27  Ian Lance Taylor  <iant@google.com>
5666
5667         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5668         * testsuite/common_test_1.c: New file.
5669         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5670         (common_test_1_SOURCES): New variable.
5671         (common_test_1_DEPENDENCIES): New variable.
5672         (common_test_1_LDFLAGS): New variable.
5673
5674         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5675         and commons_ correctly when NAME/VERSION does not override
5676         NAME/NULL.
5677         * testsuite/ver_test_6.c: New file.
5678         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5679         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5680         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5681
5682 2008-03-26  Ian Lance Taylor  <iant@google.com>
5683
5684         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5685         of an undefined symbol from a version script.
5686         * testsuite/Makefile.am (ver_test_5.so): New target.
5687         (ver_test_5.o): New target.
5688         (check_SCRIPTS): Add ver_test_5.sh.
5689         (check_DATA): Add ver_test_5.syms.
5690         (ver_test_5.syms): New target.
5691         * testsuite/ver_test_5.cc: New file.
5692         * testsuite/ver_test_5.script: New file.
5693         * testsuite/ver_test_5.sh: New file.
5694         * Makefile.in, testsuite/Makefile.in: Rebuild.
5695
5696         PR gold/5986
5697         Fix problems building gold with gcc 4.3.0.
5698         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5699         (gold_error_at_location, gold_warning_at_location): Use it.
5700         * configure.ac: Check whether we can compile and use a template
5701         function with a printf attribute.
5702         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5703         when jumping over bytes.
5704         * object.cc: Instantiate Object::read_section_data.
5705         * debug.h: Include <cstring>
5706         * dwarf_reader.cc: Include <algorithm>
5707         * main.cc: Include <cstring>.
5708         * options.cc: Include <cstring>.
5709         * output.cc: Include <cstring>.
5710         * script.cc: Include <cstring>.
5711         * script.h: Include <string>.
5712         * symtab.cc: Include <cstring> and <algorithm>.
5713         * target-select.cc: Include <cstring>.
5714         * version.cc: Include <string>.
5715         * testsuite/testmain.cc: Include <cstdlib>.
5716         * configure, config.in: Rebuild.
5717
5718 2008-03-25  Ian Lance Taylor  <iant@google.com>
5719
5720         * options.cc: Include "../bfd/bfdver.h".
5721         (options::help): Print bug reporting address.
5722
5723         * version.cc (print_version): Adjust output for current value of
5724         BFD_VERSION_STRING.
5725
5726         * NEWS: New file.
5727
5728         * options.cc (options::help): Print list of supported targets.
5729         * target-select.h: Include <vector>.
5730         (class Target_selector): Make machine_, size_, and is_big_endian_
5731         fields const.  Add bfd_name_ and instantiated_target_ fields.
5732         (Target_selector::Target_selector): Add bfd_name parameter.
5733         (Target_selector::recognize): Make non-virtual, call
5734         do_recognize.
5735         (Target_selector::recognize_by_name): Make non-virtual, call
5736         do_recognize_by_name.
5737         (Target_selector::supported_names): New function.
5738         (Target_selector::bfd_name): New function.
5739         (Target_selector::do_instantiate_target): New pure virtual
5740         function.
5741         (Target_selector::do_recognize): New virtual function.
5742         (Target_selector::do_recognize_by_name): New virtual function.
5743         (Target_selector::instantiate_target): New private function.
5744         (supported_target_names): Declare.
5745         * target-select.cc (Target_selector::Target_selector): Update for
5746         new parameter and fields.
5747         (select_target_by_name): Check that the name matches before
5748         calling recognize_by_name.
5749         (supported_target_names): New function.
5750         * i386.cc (class Target_selector_i386): Update Target_selector
5751         constructor call.  Remove recognize and recognize_by_name.  Add
5752         do_instantiate_target.
5753         * x86_64.cc (class Target_selector_x86_64): Likewise.
5754         * testsuite/testfile.cc (class Target_selector_test): Update for
5755         changes to Target_selector.
5756
5757         * README: Rewrite, with some notes on unsupported features.
5758
5759 2008-03-24  Cary Coutant  <ccoutant@google.com>
5760
5761         * i386.cc (Target_i386::Got_type): New enum declaration.
5762         (Target_i386::Scan::local): Updated callers of Output_data_got
5763         member functions.
5764         (Target_i386::Scan::global): Likewise.
5765         (Target_i386::Relocate::relocate): Likewise.
5766         (Target_i386::Relocate::relocate_tls): Likewise.
5767         * object.h (Got_offset_list): New class.
5768         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5769         (Sized_relobj::local_got_offset): Likewise.
5770         (Sized_relobj::set_local_got_offset): Likewise.
5771         (Sized_relobj::local_has_tls_got_offset): Removed.
5772         (Sized_relobj::local_tls_got_offset): Removed.
5773         (Sized_relobj::set_local_tls_got_offset): Removed.
5774         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5775         * output.cc (Output_data_got::add_global): Added got_type parameter.
5776         (Output_data_got::add_global_with_rel): Likewise.
5777         (Output_data_got::add_global_with_rela): Likewise.
5778         (Output_data_got::add_global_pair_with_rel): New function.
5779         (Output_data_got::add_global_pair_with_rela): New function.
5780         (Output_data_got::add_local): Added got_type parameter.
5781         (Output_data_got::add_local_with_rel): Likewise.
5782         (Output_data_got::add_local_with_rela): Likewise.
5783         (Output_data_got::add_local_pair_with_rel): New function.
5784         (Output_data_got::add_local_pair_with_rela): New function.
5785         (Output_data_got::add_global_tls): Removed.
5786         (Output_data_got::add_global_tls_with_rel): Removed.
5787         (Output_data_got::add_global_tls_with_rela): Removed.
5788         (Output_data_got::add_local_tls): Removed.
5789         (Output_data_got::add_local_tls_with_rel): Removed.
5790         (Output_data_got::add_local_tls_with_rela): Removed.
5791         * output.h (Output_data_got::add_global): Added got_type parameter.
5792         (Output_data_got::add_global_with_rel): Likewise.
5793         (Output_data_got::add_global_with_rela): Likewise.
5794         (Output_data_got::add_global_pair_with_rel): New function.
5795         (Output_data_got::add_global_pair_with_rela): New function.
5796         (Output_data_got::add_local): Added got_type parameter.
5797         (Output_data_got::add_local_with_rel): Likewise.
5798         (Output_data_got::add_local_with_rela): Likewise.
5799         (Output_data_got::add_local_pair_with_rel): New function.
5800         (Output_data_got::add_local_pair_with_rela): New function.
5801         (Output_data_got::add_global_tls): Removed.
5802         (Output_data_got::add_global_tls_with_rel): Removed.
5803         (Output_data_got::add_global_tls_with_rela): Removed.
5804         (Output_data_got::add_local_tls): Removed.
5805         (Output_data_got::add_local_tls_with_rel): Removed.
5806         (Output_data_got::add_local_tls_with_rela): Removed.
5807         * resolve.cc (Symbol::override_base_with_special): Removed
5808         reference to has_got_offset_ field.
5809         * symtab.cc (Symbol::init_fields): Replaced initialization
5810         of got_offset_ with got_offsets_.  Removed initialization
5811         of has_got_offset_
5812         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5813         (Symbol::got_offset): Likewise.
5814         (Symbol::set_got_offset): Likewise.
5815         (Symbol::has_tls_got_offset): Removed.
5816         (Symbol::tls_got_offset): Removed.
5817         (Symbol::set_tls_got_offset): Removed.
5818         (Symbol::got_offset_): Removed.
5819         (Symbol::tls_mod_got_offset_): Removed.
5820         (Symbol::tls_pair_got_offset_): Removed.
5821         (Symbol::got_offsets_): New field.
5822         (Symbol::has_got_offset): Removed.
5823         (Symbol::has_tls_mod_got_offset): Removed.
5824         (Symbol::has_tls_pair_got_offset): Removed.
5825         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5826         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5827         member functions.
5828         (Target_x86_64::Scan::global): Likewise.
5829         (Target_x86_64::Relocate::relocate): Likewise.
5830         (Target_x86_64::Relocate::relocate_tls): Likewise.
5831
5832 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5833
5834         * yyscript.y: Fix spelling error in comment.
5835
5836 2008-03-24  Ian Lance Taylor  <iant@google.com>
5837
5838         * options.h (class General_options): Define build_id option.
5839         * layout.h (class Layout): Declare write_build_id, create_note,
5840         create_build_id.  Add build_id_note_ member.
5841         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5842         "libiberty.h", "md5.h", "sha1.h".
5843         (Layout::Layout): Initialize eh_frame_data_,
5844         eh_frame_hdr_section_, and build_id_note_.
5845         (Layout::finalize): Call create_build_id.
5846         (Layout::create_note): New function, broken out of
5847         Layout::create_gold_note.
5848         (Layout::create_gold_note): Call create_note.
5849         (Layout::create_build_id): New function.
5850         (Layout::write_build_id): New function.
5851         (Close_task_runner::run): Call write_build_id.
5852
5853         * x86_64.cc: Correct license to GPLv3.
5854
5855 2008-03-23  Ian Lance Taylor  <iant@google.com>
5856
5857         * options.cc: Include "demangle.h".
5858         (parse_optional_string): New function.
5859         (parse_long_option): Handle takes_optional_argument.
5860         (parse_short_option): Update dash_z initializer.  Handle
5861         takes_optional_argument.
5862         (General_options::General_options): Initialize do_demangle_.
5863         (General_options::finalize): Set do_demangle_.  Handle demangling
5864         style.
5865         * options.h (parse_optional_string): Declare.
5866         (struct One_option): Add optional_arg field.  Update constructor.
5867         Update call constructor calls.  Add takes_optional_argument
5868         function.
5869         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5870         (DEFINE_optional_string): Define.
5871         (General_options::demangle): Change from DEFINE_bool to
5872         DEFINE_optional_string.
5873         (General_options::no_demangle): New function.
5874         (General_options::do_demangle): New function.
5875         (General_options::set_do_demangle): New function.
5876         (General_options::execstack_status_): Move definition to end of
5877         class definition.
5878         (General_options::static_): Likewise.
5879         (General_options::do_demangle_): New field.
5880         * object.cc (big_endian>::get_symbol_location_info): Call
5881         Options::do_demangle, not Options::demangle.
5882         * symtab.cc (demangle): Likewise.
5883
5884 2008-03-22  Ian Lance Taylor  <iant@google.com>
5885
5886         * gold.h: Include <cstddef> and <sys/types.h>
5887         * options.h: Include <cstring>.
5888
5889 2008-03-21  Ian Lance Taylor  <iant@google.com>
5890
5891         * Added source code to GNU binutils.