gold/ChangeLog

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