gold/ChangeLog

   1 2012-04-16  David S. Miller  <davem@davemloft.net>
   2
   3         * sparc.cc (Target_sparc::got_address): New function.
   4         (Sparc_relocate_functions::gdop_hix22): New function.
   5         (Sparc_relocate_functions::gdop_lox10): New function.
   6         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
   7         relocs.
   8         (Target_sparc::Scan::local): Likewise if the global symbol is not
   9         preemptible and is not IFUNC.
  10         (Target_sparc::Relocate::relocate): Perform GOTDATA code
  11         transformations for local and non-preemptible non-IFUNC global
  12         symbols.
  13
  14         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
  15         writing out 64-bit part of ranges.
  16
  17         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
  18         -fpic and -fpie respectively.
  19         * Makefile.in: Regenerate.
  20
  21         * sparc.cc (class Target_sparc): Add rela_ifunc_.
  22         (Target_sparc::Target_sparc): Initialize new field.
  23         (Target_sparc::do_plt_section_for_global): New function.
  24         (Target_sparc::do_plt_section_for_local): New function.
  25         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
  26         (Target_sparc::make_plt_section): New function, broken out of
  27         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
  28         (Target_sparc::make_plt_entry): Call make_plt_section.
  29         (Target_sparc::make_local_ifunc_plt_entry): New function.
  30         (Target_sparc::rela_ifunc_section): New function.
  31         (Target_sparc::plt_section): Remove const.
  32         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
  33         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
  34         and ifunc_count_ fields.
  35         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
  36         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
  37         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
  38         (Output_data_plt_sparc::rela_ifunc): New function.
  39         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
  40         (Output_data_plt_sparc::has_ifunc_section): New function.
  41         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
  42         (Output_data_plt_sparc::address_for_global): New function.
  43         (Output_data_plt_sparc::address_for_local): New function.
  44         (Output_data_plt_sparc::plt_index_to_offset): New function.
  45         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
  46         and entry_count.
  47         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
  48         entry_count.
  49         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
  50         R_SPARC_JMP_IREL to switch.
  51         (Target_sparc::Scan::check_non_pic): Likewise.
  52         (Target_sparc::Scan::local): Handle IFUNC symbols.
  53         (Target_sparc::Scan::local): Likewise.
  54         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
  55         and plt_address_for_local.
  56         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
  57         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
  58
  59         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
  60         (class Output_data_reloc): Adjust calls to Output_reloc_type.
  61         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
  62         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
  63         global relocs too.
  64         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
  65         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
  66         calls.
  67         * sparc.cc (Target_sparc::Scan::global): Likewise.
  68         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
  69
  70 2012-04-16  Cary Coutant  <ccoutant@google.com>
  71
  72         * archive.cc (Library_base::should_include_member): Check for
  73         --export-dynamic-symbol.
  74         * options.h (class General_options): Add --export-dynamic-symbol.
  75         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
  76         --export-dynamic-symbol.
  77         (Symbol_table::gc_mark_undef_symbols): Likewise.
  78         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
  79
  80 2012-04-12  David S. Miller  <davem@davemloft.net>
  81
  82         * sparc.cc (Reloc::wdisp10): New relocation method.
  83         (Reloc::h34): Likewise.
  84         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
  85         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
  86         R_SPARC_WDISP10.
  87         (Target_sparc::Scan::local): Likewise.
  88         (Target_sparc::Scan::global): Likewise.
  89         (Target_sparc::Relocate::relocate): Likewise.
  90
  91 2012-04-09  Cary Coutant  <ccoutant@google.com>
  92
  93         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
  94         low_pc == 0.
  95
  96 2012-04-06  Ian Lance Taylor  <iant@google.com>
  97
  98         * timer.cc: #include <unistd.h>.
  99
 100 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 101
 102         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 103         * config.in: Regenerate.
 104         * configure: Regenerate.
 105
 106 2012-04-05  Nick Clifton  <nickc@redhat.com>
 107
 108         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 109         (AM_LC_MESSAGES): Add.
 110         * aclocal.m4: Regenerate.
 111         * config.in: Regenerate.
 112         * configure: Regenerate.
 113
 114 2012-03-21  Cary Coutant  <ccoutant@google.com>
 115
 116         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 117         * Makefile.in: Regenerate.
 118         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 119         (Sized_elf_reloc_mapper::symbol_section): New function.
 120         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 121         (make_elf_reloc_mapper): New function.
 122         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 123         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 124         (Dwarf_abbrev_table::do_get_abbrev): New function.
 125         (Dwarf_ranges_table::read_ranges_table): New function.
 126         (Dwarf_ranges_table::read_range_list): New function.
 127         (Dwarf_pubnames_table::read_section): New function.
 128         (Dwarf_pubnames_table::read_header): New function.
 129         (Dwarf_pubnames_table::next_name): New function.
 130         (Dwarf_die::Dwarf_die): New function.
 131         (Dwarf_die::read_attributes): New function.
 132         (Dwarf_die::skip_attributes): New function.
 133         (Dwarf_die::set_name): New function.
 134         (Dwarf_die::set_linkage_name): New function.
 135         (Dwarf_die::attribute): New function.
 136         (Dwarf_die::string_attribute): New function.
 137         (Dwarf_die::int_attribute): New function.
 138         (Dwarf_die::uint_attribute): New function.
 139         (Dwarf_die::ref_attribute): New function.
 140         (Dwarf_die::child_offset): New function.
 141         (Dwarf_die::sibling_offset): New function.
 142         (Dwarf_info_reader::check_buffer): New function.
 143         (Dwarf_info_reader::parse): New function.
 144         (Dwarf_info_reader::do_parse): New function.
 145         (Dwarf_info_reader::do_read_string_table): New function.
 146         (Dwarf_info_reader::lookup_reloc): New function.
 147         (Dwarf_info_reader::get_string): New function.
 148         (Dwarf_info_reader::visit_compilation_unit): New function.
 149         (Dwarf_info_reader::visit_type_unit): New function.
 150         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 151         Sized_elf_reloc_mapper.
 152         (Sized_dwarf_line_info::symbol_section): Remove function.
 153         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 154         (Sized_dwarf_line_info::read_line_mappings): Remove object
 155         parameter, adjust callers.
 156         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 157         * dwarf_reader.h: Include <sys/types.h>.
 158         (class Track_relocs): Remove forward declaration.
 159         (class Elf_reloc_mapper): New class.
 160         (class Sized_elf_reloc_mapper): New class.
 161         (class Dwarf_abbrev_table): New class.
 162         (class Dwarf_range_list): New class.
 163         (class Dwarf_ranges_table): New class.
 164         (class Dwarf_pubnames_table): New class.
 165         (class Dwarf_die): New class.
 166         (class Dwarf_info_reader): New class.
 167         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 168         (Sized_dwarf_line_info::symbol_section): Remove member function.
 169         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 170         base class.
 171         * gdb-index.cc: New source file.
 172         * gdb-index.h: New source file.
 173         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 174         and .debug_types sections, call Layout::add_to_gdb_index.
 175         (Sized_relobj_incr::do_section_name): Implement.
 176         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 177         return type; Implement.
 178         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 179         return type.
 180         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 181         parameter list and return type.
 182         (Sized_incr_dynobj::do_section_contents): Likewise.
 183         * layout.cc: Include gdb-index.h.
 184         (Layout::Layout): Initialize gdb_index_data_.
 185         (Layout::init_fixed_output_section): Check for .gdb_index section.
 186         (Layout::add_to_gdb_index): New function. Instantiate.
 187         * layout.h: Add forward declaration for class Gdb_index.
 188         (Layout::add_to_gdb_index): New member function.
 189         (Layout::gdb_index_data_): New data member.
 190         * main.cc: Include gdb-index.h.
 191         (main): Print statistics for gdb index.
 192         * object.cc (Object::section_contents): Move code into
 193         do_section_contents.
 194         (need_decompressed_section): Check for sections needed when building
 195         gdb index.
 196         (build_compressed_section_map): Likewise.
 197         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 198         gdb index.
 199         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 200         sections; call Layout::add_to_gdb_index.
 201         (Sized_relobj_file::do_decompressed_section_contents): Call
 202         do_section_contents directly.
 203         * object.h (Object::do_section_contents): Adjust parameter list and
 204         return type.
 205         (Object::do_decompressed_section_contents): Call do_section_contents
 206         directly.
 207         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 208         return type.
 209         * options.h (class General_options): Add --gdb-index option.
 210         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 211         list and return type.
 212         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 213         * reloc.h (Track_relocs::checkpoint): New function.
 214         (Track_relocs::reset): New function.
 215
 216         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 217         New test cases.
 218         * testsuite/Makefile.in: Regenerate.
 219         * testsuite/gdb_index_test.cc: New test source file.
 220         * testsuite/gdb_index_test_1.sh: New test source file.
 221         * testsuite/gdb_index_test_2.sh: New test source file.
 222
 223 2012-03-19  Doug Kwan  <dougkwan@google.com>
 224
 225         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 226         (Target_arm::do_finalize_sections): Remove code which defines
 227         __exidx_start and __exidx_end.  Make symbol table parameter
 228         anonymous as it is not used.
 229         * gold.cc (queue_middle_tasks): Call target hook to define any
 230         target-specific symbols.
 231         * target.h (Target::define_standard_symbols): New method.
 232         (Target::do_define_standard_symbols): Same.
 233         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 234         * testsuite/Makefile.in: Regenerate.
 235         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 236         and __exidx_end.
 237         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 238         relocations are generated for __exidx_start and __exidx_end.
 239
 240 2012-03-16  Doug Kwan  <dougkwan@google.com>
 241
 242         * testsuite/Makefile.am: Disable test initpri3b.
 243         * testsuite/Makefile.in: Regenerate.
 244
 245 2012-03-15  Doug Kwan  <dougkwan@google.com>
 246
 247         * arm.cc (Target_arm::got_section): Make .got section read-only
 248         if -z now is given.
 249
 250 2012-03-15  Ian Lance Taylor  <iant@google.com>
 251
 252         PR gold/13850
 253         * layout.cc (Layout::make_output_section): Correctly mark
 254         SHT_INIT_ARRAY, et. al., as relro.
 255
 256 2012-03-14  Doug Kwan  <dougkwan@google.com>
 257
 258         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 259         dynamic relocations for protected symbols in shared objects.
 260
 261 2012-03-13  Ian Lance Taylor  <iant@google.com>
 262
 263         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 264         keep the larger alignment.
 265
 266 2012-03-12  Cary Coutant  <ccoutant@google.com>
 267
 268         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 269         handling of DW_LNE_define_file.
 270
 271 2012-03-12  Cary Coutant  <ccoutant@google.com>
 272
 273         * reduced_debug_output.cc
 274         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 275         codes to switch.
 276
 277 2012-02-29  Cary Coutant  <ccoutant@google.com>
 278
 279         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 280
 281 2012-02-29  Cary Coutant  <ccoutant@google.com>
 282
 283         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 284         Call Object::decompressed_section_contents.
 285         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 286         New dtor.
 287         (Sized_dwarf_line_info::buffer_start_): New data member.
 288         * merge.cc (Output_merge_data::do_add_input_section): Call
 289         Object::decompressed_section_contents.
 290         (Output_merge_string::do_add_input_section): Likewise.
 291         * object.cc (need_decompressed_section): New function.
 292         (build_compressed_section_map): Decompress sections needed later.
 293         (Sized_relobj_file::do_decompressed_section_contents): New function.
 294         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 295         * object.h (Object::decompressed_section_contents): New function.
 296         (Object::discard_decompressed_sections): New function.
 297         (Object::do_decompressed_section_contents): New function.
 298         (Object::do_discard_decompressed_sections): New function.
 299         (Compressed_section_info): New type.
 300         (Compressed_section_map): Include decompressed section contents.
 301         (Sized_relobj_file::do_decompressed_section_contents): New function.
 302         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 303
 304 2012-02-16  Cary Coutant  <ccoutant@google.com>
 305
 306         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 307         * testsuite/Makefile.in: Regenerate.
 308
 309 2012-02-14  Cary Coutant  <ccoutant@google.com>
 310
 311         * options.cc (General_options::finalize): Disallow -pie and -static.
 312
 313 2012-02-03  Doug Kwan  <dougkwan@google.com>
 314
 315         * arm.cc (Arm_relocate_functions::abs8,
 316         Arm_relocate_functions::abs16): Use
 317         Bits::has_signed_unsigned_overflow32.
 318         (Arm_relocate_functions::thm_abs8): Correct range of
 319         overflow check.
 320         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 321         in assertions.
 322
 323 2012-02-02  Doug Kwan  <dougkwan@google.com>
 324
 325         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 326         position independent outputs, not just shared objects.
 327
 328 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 329
 330         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 331         * configure: Regenerated.
 332
 333 2012-01-27  Ian Lance Taylor  <iant@google.com>
 334
 335         * reloc.h (Bits): New class with static functions, copied from
 336         namespace utils in arm.cc.
 337         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 338         instead.
 339
 340 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 341
 342         * incremental.cc (write_info_blocks): Correct relocation offset.
 343
 344 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 345
 346         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 347         (Relocate::tls_gd_to_le): Likewise.
 348
 349 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 350
 351         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 352
 353 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 354
 355         * configure.ac: Check if -mcmodel=medium works.
 356         * configure: Regenerated.
 357
 358 2012-01-24  Cary Coutant  <ccoutant@google.com>
 359
 360         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 361         definition and ...
 362         (read_unsigned_LEB_128_x): ... this new function.
 363         (read_signed_LEB_128): Replaced with inline definition and ...
 364         (read_signed_LEB_128_x): ... this new function.
 365         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 366         (read_unsigned_LEB_128): Add inline definition.
 367         (read_signed_LEB_128_x): New function.
 368         (read_signed_LEB_128): Add inline definition.
 369         * testsuite/Makefile.am (leb128_unittest): New unit test.
 370         * testsuite/Makefile.in: Regenerate.
 371         * testsuite/leb128_unittest.cc: New unit test.
 372
 373 2012-01-23  Ian Lance Taylor  <iant@google.com>
 374
 375         PR gold/13617
 376         * i386.cc (Target_i386::do_code_fill): When using a jmp
 377         instruction, pad with nop instructions.
 378         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 379
 380 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 381
 382         * x86_64.cc (gc_process_relocs): Add typename on types used in
 383         template.
 384         (scan_relocs): Likewise.
 385         (relocate_section): Likewise.
 386         (apply_relocation): Likewise.
 387
 388 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 389
 390         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 391         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 392         under x32.
 393
 394 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 395
 396         * x86_64.cc: Initial support for x32.
 397
 398 2012-01-03  Cary Coutant  <ccoutant@google.com>
 399
 400         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 401         Use abstract base class for GOT.
 402         * gold/output.h (class Output_data_got_base): New abstract base class.
 403         (class Output_data_got): Derive from new base class, adjust ctors.
 404         (Output_data_got::reserve_slot): Make virtual; rename to
 405         do_reserve_slot; Adjust callers.
 406         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 407         pointer to abstract base class.
 408         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 409
 410 2011-12-18  Ian Lance Taylor  <iant@google.com>
 411
 412         * object.h (Relobj::local_symbol_value): New function.
 413         (Relobj::local_plt_offset): New function.
 414         (Relobj::local_has_got_offset): New function.
 415         (Relobj::local_got_offset): New function.
 416         (Relobj::set_local_got_offset): New function.
 417         (Relobj::do_local_symbol_value): New pure virtual function.
 418         (Relobj::do_local_plt_offset): Likewise.
 419         (Relobj::do_local_has_got_offset): Likewise.
 420         (Relobj::do_local_got_offset): Likewise.
 421         (Relobj::do_set_local_got_offset): Likewise.
 422         (Sized_relobj::do_local_has_got_offset): Rename from
 423         local_has_got_offset.
 424         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 425         (Sized_relobj::do_set_local_got_offset): Rename from
 426         set_local_got_offset.
 427         (Sized_relobj_file::do_local_plt_offset): Rename from
 428         local_plt_offset.
 429         (Sized_relobj_file::do_local_symbol_value): New function.
 430         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 431         local_plt_offset.
 432         * output.cc (Output_data_got::Got_entry::write): Change object to
 433         Relobj.  Use local_symbol_value.
 434         (Output_data_got::add_global_with_rel): Change rel_dyn to
 435         Output_data_reloc_generic*.  Use add_global_generic.
 436         (Output_data_got::add_global_with_rela): Remove.  Change all
 437         callers to use add_global_with_rel.
 438         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 439         Output_data_reloc_generic*.  Use add_global_generic.
 440         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 441         callers to use add_global_pair_with_rel.
 442         (Output_data_got::add_local): Change object to Relobj*.
 443         (Output_data_got::add_local_plt): Likewise.
 444         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 445         change rel_dyn to Output_data_reloc_generic*.  Use
 446         add_local_generic.
 447         (Output_data_got::add_local_with_rela): Remove.  Change all
 448         callers to use all_local_with_rel.
 449         (Output_data_got::add_local_pair_with_rel): Change object to
 450         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 451         add_output_section_generic.
 452         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 453         callers to use add_local_pair_with_rel.
 454         (Output_data_got::reserve_local): Change object to Relobj*.
 455         * output.h: (class Output_data_reloc_generic): Add pure virtual
 456         declarations for add_global_generic, add_local_generic,
 457         add_output_section_generic.
 458         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 459         functions for Output_data_reloc_generic.  Update declarations for
 460         changes listed in output.cc.
 461         (class Output_data_got): Change template parameter to got_size.
 462         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 463         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 464         function.
 465         (Sized_relobj_incr::do_local_plt_offset): New function.
 466         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 467         add_global_generic.
 468
 469 2011-12-17  Cary Coutant  <ccoutant@google.com>
 470
 471         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 472         * resolve.cc (Symbol_table::resolve): Likewise.
 473         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 474         arrays.
 475         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 476
 477 2011-12-16  Ian Lance Taylor  <iant@google.com>
 478
 479         * output.h (Output_data_reloc_generic::add): Only call
 480         add_dynamic_reloc if this is a dynamic reloc section.
 481
 482 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 483
 484         PR gold/13505
 485         * target-reloc.h (apply_relocation): Replace <64, false> with
 486         <size, big_endian>.
 487
 488 2011-11-25  Nick Clifton  <nickc@redhat.com>
 489
 490         * po/it.po: New Italian translation.
 491
 492 2011-11-17  Sterling Augustine  <saugustine@google.com>
 493
 494         * script.cc (script_include_directive): Implement.
 495         (read_script_file): New local variables name and search_path. Update
 496         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 497         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 498         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 499
 500 2011-11-11  Sterling Augustine  <saugustine@google.com>
 501
 502         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 503         (file_or_sections_cmd): Likewise.
 504
 505 2011-11-11  Doug Kwan  <dougkwan@google.com>
 506
 507         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 508         if --just-symbols is given.
 509
 510 2011-11-10  Doug Kwan  <dougkwan@google.com>
 511
 512         PR gold/13362
 513         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 514         when processing data relocs.
 515         * reloc.h (Relocate_functions::rel_unaligned): New method.
 516         (Relocate_functions::pcrel_unaligned): Ditto.
 517         (Relocate_functions::rel32_unaligned): Ditto.
 518         (Relocate_functions::pcrel32_unaligned): Ditto.
 519
 520 2011-11-09  Doug Kwan  <dougkwan@google.com>
 521
 522         PR gold/13362
 523         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 524         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 525         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 526         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 527         (Relocate_functions::rel_unaligned): New.
 528         (Relocate_functions::rel32_unaligned): New.
 529         * target-reloc.h (relocate_for_relocatable): Add code to handle
 530         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 531         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 532         arm_unaligned_reloc_r): New targets.
 533         * testsuite/Makefile.in: Regenerate.
 534         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 535         linking.
 536
 537 2011-11-02  Ian Lance Taylor  <iant@google.com>
 538
 539         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 540         NATIVE_LINKER.
 541         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 542         * options.cc (General_options::finalize): Use library search path
 543         from configure script if specified.  If not native and no sysroot,
 544         only search TOOLLIBDIR.
 545         * options.h (Search_directory::Search_directory): Change name to
 546         const std::string&.
 547         (General_options::add_to_library_path_with_sysroot): Change arg to
 548         const std::string&.
 549         * configure, Makefile.in, config.in: Rebuild.
 550
 551 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 552
 553         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 554         we are working around the ARM1176 Erratum.
 555         * options.h (General_options::fix_arm1176): Add option.
 556         * testsuite/Makefile.am: Add testcases, and keep current ones
 557         working.
 558         * testsuite/Makefile.in: Regenerate.
 559         * testsuite/arm_fix_1176.s: New file.
 560         * testsuite/arm_fix_1176.sh: Likewise.
 561
 562 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 563
 564         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 565         may_use_blx_.
 566         (Target_arm::may_use_blx): Remove method.
 567         (Target_arm::set_may_use_blx): Likewise.
 568         (Target_arm::may_use_v4t_interworking): New method.
 569         (Target_arm::may_use_v5t_interworking): Likewise.
 570         (Target_arm::may_use_blx_): Remove member variable.
 571         (Arm_relocate_functions::arm_branch_common): Check for v5T
 572         interworking.
 573         (Arm_relocate_functions::thumb_branch_common): Likewise.
 574         (Reloc_stub::stub_type_for_reloc): Likewise.
 575         (Target_arm::do_finalize_sections): Correct interworking checks.
 576         * testsuite/Makefile.am: Add new tests.
 577         * testsuite/Makefile.in: Regenerate.
 578         * testsuite/arm_farcall_arm_arm.s: New test.
 579         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 580         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 581         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 582         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 583         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 584         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 585         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 586
 587 2011-10-31  Cary Coutant  <ccoutant@google.com>
 588
 589         PR gold/13023
 590         * expression.cc (Expression::eval_with_dot): Add
 591         is_section_dot_assignment parameter.
 592         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 593         absolute and assigning to dot within a section.
 594         * script-sections.cc
 595         (Output_section_element_assignment::set_section_addresses): Pass
 596         dot_section to set_if_absolute.
 597         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 598         as is_section_dot_assignment flag to eval_with_dot.
 599         (Output_section_element_dot_assignment::set_section_addresses):
 600         Likewise.
 601         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 602         parameter.  Also set value if relative to dot_section; set the
 603         symbol's output_section.
 604         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 605         parameter.  Adjust all callers.
 606         (Expression::eval_maybe_dot): Likewise.
 607         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 608         Adjust all callers.
 609         * testsuite/script_test_2.t: Test assignment of an absolute value
 610         to dot within an output section element.
 611
 612 2011-10-31  Cary Coutant  <ccoutant@google.com>
 613
 614         * options.h (class General_options): Add --[no-]gnu-unique options.
 615         * symtab.cc (Symbol_table::sized_write_globals): Convert
 616         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 617
 618 2011-10-31  Cary Coutant  <ccoutant@google.com>
 619
 620         PR gold/13359
 621         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 622         unnecessary assertion.
 623         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 624
 625 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 626
 627         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 628         gc_mark_symbol.
 629         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 630         gc_mark_symbol.
 631         Change to just keep the section associated with symbol.
 632         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 633         they are externally visible and --export-dynamic is turned on.
 634         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 635
 636 2011-10-19  Ian Lance Taylor  <iant@google.com>
 637
 638         PR gold/13163
 639         * script-sections.cc
 640         (Output_section_element_dot_assignment::needs_output_section): New
 641         function.
 642
 643 2011-10-19  Ian Lance Taylor  <iant@google.com>
 644
 645         PR gold/13204
 646         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 647         --section-start option was seen.
 648         * options.h (General_options::any_section_start): New function.
 649
 650 2011-10-18  David S. Miller  <davem@davemloft.net>
 651
 652         PR binutils/13301
 653         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 654         member to track relocation locations that have moved during TLS
 655         reloc optimizations.
 656         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 657         (Target_sparc::Relocate::relocate): Adjust view down by 4
 658         bytes if it matches reloc_adjust_addr_.
 659         (Target_sparc::Relocate::relocate_tls): Always move the
 660         __tls_get_addr call delay slot instruction forward 4 bytes when
 661         performing relaxation.
 662
 663 2011-10-18  Cary Coutant  <ccoutant@google.com>
 664
 665         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 666         (Output_file::map_no_anonymous): Check for non-zero
 667         return code from posix_fallocate.
 668
 669 2011-10-17  Cary Coutant  <ccoutant@google.com>
 670
 671         PR gold/13245
 672         * plugin.cc (is_visible_from_outside): Check for symbols
 673         referenced from dynamic objects.
 674         * resolve.cc (Symbol_table::resolve): Don't count references
 675         from dynamic objects as references from real ELF files.
 676         * testsuite/plugin_test_2.sh: Adjust expected result.
 677
 678 2011-10-17  Cary Coutant  <ccoutant@google.com>
 679
 680         * gold.cc: Include timer.h.
 681         (queue_middle_tasks): Stamp time.
 682         (queue_final_tasks): Likewise.
 683         * main.cc (main): Store timer in parameters.  Print timers
 684         for each pass.
 685         * parameters.cc (Parameters::Parameters): Initialize timer_.
 686         (Parameters::set_timer): New function.
 687         (set_parameters_timer): New function.
 688         * parameters.h (Parameters::set_timer): New function.
 689         (Parameters::timer): New function.
 690         (Parameters::timer_): New data member.
 691         (set_parameters_timer): New function.
 692         * timer.cc (Timer::stamp): New function.
 693         (Timer::get_pass_time): New function.
 694         * timer.h (Timer::stamp): New function.
 695         (Timer::get_pass_time): New function.
 696         (Timer::pass_times_): New data member.
 697
 698 2011-10-17  Cary Coutant  <ccoutant@google.com>
 699
 700         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 701         task for members of lib groups.
 702
 703 2011-10-17  Cary Coutant  <ccoutant@google.com>
 704
 705         PR gold/13288
 706         * fileread.cc (File_read::find_view): Add assert.
 707         (File_read::make_view): Move bounds check (replace with assert)...
 708         (File_read::find_or_make_view): ... to here.
 709
 710 2011-10-12  Cary Coutant  <ccoutant@google.com>
 711
 712         * output.cc (Output_file::open_base_file): Handle case where
 713         ::read returns less than requested size.
 714
 715 2011-10-10  Cary Coutant  <ccoutant@google.com>
 716
 717         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 718         Initialize defined_count_.
 719         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 720         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 721         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 722         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 723         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 724         * incremental.h (Sized_relobj_incr::defined_count_): New data
 725         member.
 726         (Sized_incr_dynobj::defined_count_): New data member.
 727         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 728         Return zeroes instead of internal error.
 729
 730 2011-10-10  Cary Coutant  <ccoutant@google.com>
 731
 732         PR gold/13249
 733         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 734         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 735         * output.h (class Output_reloc): Add use_plt_offset flag.
 736         (Output_reloc::type_): Adjust size of bit field.
 737         (Output_reloc::use_plt_offset_): New bit field.
 738         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 739         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 740         flag.  Adjust all callers.
 741         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 742         creating RELATIVE relocations.
 743
 744 2011-10-10  Nick Clifton  <nickc@redhat.com>
 745
 746         * po/es.po: Updated Spanish translation.
 747         * po/fi.po: Updated Finnish translation.
 748
 749 2011-10-03   Diego Novillo  <dnovillo@google.com>
 750
 751         * options.cc (parse_uint): Fix dereference of RETVAL.
 752
 753 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 754
 755         * layout.h (section_order_map_): New member.
 756         (get_section_order_map): New member function.
 757         * output.cc (Output_section::add_input_section): Check for patterns
 758         only when --section-ordering-file is specified.
 759         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 760         output_sections have been formed.
 761         * layout.cc (Layout_Layout): Initialize section_order_map_.
 762         * plugin.cc (update_section_order): Store order in order_map. Do not
 763         update the order.
 764         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 765         * testsuite/Makefile.in: Regenerate.
 766         * testsuite/plugin_section_order.c: New file.
 767         * testsuite/plugin_final_layout.cc: New file.
 768         * testsuite/plugin_final_layout.sh: New file.
 769
 770 2011-09-29  Cary Coutant  <ccoutant@google.com>
 771
 772         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 773         Check for NULL.
 774         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 775         symbols during incremental update.
 776         (Symbol_table::add_from_dynobj): Likewise.
 777
 778 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 779             Ian Lance Taylor  <iant@google.com>
 780
 781         * symtab.cc (Symbol_table::define_special_symbol): Always
 782         canonicalize version string.
 783
 784 2011-09-26  Cary Coutant  <ccoutant@google.com>
 785
 786         * gold.cc (queue_initial_tasks): Move option checks ...
 787         * options.cc (General_options::finalize): ... to here. Disable
 788         some options; make others fatal.
 789
 790 2011-09-26  Cary Coutant  <ccoutant@google.com>
 791
 792         gcc PR lto/47247
 793         * plugin.cc (get_symbols_v2): New function.
 794         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 795         (is_referenced_from_outside): New function.
 796         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 797         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 798         (get_symbols): Pass version parameter.
 799         (get_symbols_v2): New function.
 800         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 801         parameter.
 802         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 803         (onload): Add LDPT_GET_SYMBOLS_V2.
 804         (all_symbols_read_hook): Use get_symbols_v2; check for
 805         LDPR_PREVAILING_DEF_IRONLY_EXP.
 806         * testsuite/plugin_test_3.sh: Update expected results.
 807
 808 2011-09-23  Simon Baldwin  <simonb@google.com>
 809
 810         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 811         configuration options.
 812         * configure: Regenerate.
 813         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 814         * Makefile.in: Regenerate.
 815         * testsuite/Makefile.in: Regenerate.
 816
 817 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 818
 819         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 820
 821 2011-09-19  Cary Coutant  <ccoutant@google.com>
 822
 823         * incremental.cc (can_incremental_update): Fix typo in comment.
 824         * incremental.h (can_incremental_update): Likewise.
 825
 826 2011-09-18  Cary Coutant  <ccoutant@google.com>
 827
 828         * incremental.cc (can_incremental_update): New function.
 829         * incremental.h (can_incremental_update): New function.
 830         * layout.cc (Layout::init_fixed_output_section): Call it.
 831         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 832         * object.cc (Sized_relobj_file::do_layout): Call
 833         can_incremental_update.
 834
 835 2011-09-13  Cary Coutant  <ccoutant@google.com>
 836
 837         * configure.ac: Check for glibc support for gnu_indirect_function
 838         support with static linking, setting automake conditional
 839         IFUNC_STATIC.
 840         * Makefile.in: Regenerate.
 841         * configure: Regenerate.
 842
 843         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 844         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 845         for IFUNC_STATIC.
 846         * testsuite/Makefile.in: Regenerate.
 847
 848 2011-09-13  Cary Coutant  <ccoutant@google.com>
 849
 850         * incremental.cc (Sized_relobj_incr::do_layout): Call
 851         report_comdat_group for kept comdat sections.
 852         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 853         * testsuite/Makefile.in: Regenerate.
 854         * testsuite/incr_comdat_test_1.cc: New source file.
 855         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 856         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 857         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 858
 859 2011-09-13  Ian Lance Taylor  <iant@google.com>
 860
 861         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 862         variable external_symbols_offset.
 863
 864 2011-09-12  Ian Lance Taylor  <iant@google.com>
 865
 866         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 867         triggered if object has no symbols.
 868
 869 2011-09-09  David S. Miller  <davem@davemloft.net>
 870
 871         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 872         (Output_fill_debug_line::do_write): Likewise.
 873
 874 2011-08-29  Cary Coutant  <ccoutant@google.com>
 875
 876         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 877         casts to match formatting specs.
 878         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 879
 880 2011-08-26  Cary Coutant  <ccoutant@google.com>
 881
 882         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 883         remaining hole size when allocating.
 884         (Layout::make_output_section): Set fill methods for debug sections.
 885         * layout.h (Free_list::Free_list_node): Move from private to
 886         public.
 887         (Free_list::set_min_hole_size): New function.
 888         (Free_list::begin, Free_list::end): New functions.
 889         (Free_list::min_hole_): New data member.
 890         * output.cc: Include dwarf.h.
 891         (Output_fill_debug_info::do_minimum_hole_size): New function.
 892         (Output_fill_debug_info::do_write): New function.
 893         (Output_fill_debug_line::do_minimum_hole_size): New function.
 894         (Output_fill_debug_line::do_write): New function.
 895         (Output_section::Output_section): Initialize new data member.
 896         (Output_section::set_final_data_size): Ensure patch space is larger
 897         than minimum hole size.
 898         (Output_section::do_write): Fill holes in debug sections.
 899         * output.h (Output_fill): New class.
 900         (Output_fill_debug_info): New class.
 901         (Output_fill_debug_line): New class.
 902         (Output_section::set_free_space_fill): New function.
 903         (Output_section::free_space_fill_): New data member.
 904         * testsuite/Makefile.am (incremental_test_3): Add
 905         --incremental-patch option.
 906         (incremental_test_4): Likewise.
 907         (incremental_test_5): Likewise.
 908         (incremental_test_6): Likewise.
 909         (incremental_copy_test): Likewise.
 910         (incremental_common_test_1): Likewise.
 911         * testsuite/Makefile.in: Regenerate.
 912
 913 2011-08-26  Nick Clifton  <nickc@redhat.com>
 914
 915         * po/es.po: Updated Spanish translation.
 916
 917 2011-08-01  Cary Coutant  <ccoutant@google.com>
 918
 919         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 920         * gold/testsuite/Makefile.in: Regenerate.
 921         * gold/testsuite/justsyms_exec.c: New source file.
 922         * gold/testsuite/justsyms_lib.c: New source file.
 923
 924 2011-08-01  Cary Coutant  <ccoutant@google.com>
 925
 926         * layout.cc (Layout::set_segment_offsets): Don't realign text
 927         segment if -Ttext was specified.
 928         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 929         file type.
 930         * object.h (Sized_relobj_file::e_type): New function.
 931         (Sized_relobj_file::e_type_): New data member.
 932         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 933         base address for ET_EXEC files.
 934         * target.cc (Target::do_make_elf_object_implementation): Allow
 935         ET_EXEC files with --just-symbols option.
 936
 937 2011-07-28  Cary Coutant  <ccoutant@google.com>
 938
 939         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 940         Add thread_number parameter.
 941         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 942         * workqueue-threads.cc
 943         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 944         current thread if its thread number is greater than desired thread
 945         count.
 946         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 947         Add thread_number parameter.
 948         (Workqueue::should_cancel_thread): Likewise.
 949         (Workqueue::find_runnable_or_wait): Pass thread_number to
 950         should_cancel_thread.
 951         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 952         parameter.
 953
 954 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 955
 956         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 957         only after checking if it cannot be forced local.
 958         * symtab.h (is_externally_visible): Check if the symbol is not forced
 959         local.
 960
 961 2011-07-15  Ian Lance Taylor  <iant@google.com>
 962
 963         * options.h (class General_options): Add --print-output-format.
 964         Move -EL next to -EB, for  better --help output.
 965         * target-select.cc: Include <cstdio>, "options.h", and
 966         "parameters.h".
 967         (Target_selector::do_target_bfd_name): New function.
 968         (print_output_format): New function.
 969         * target-select.h (class Target_selector): Update declarations.
 970         (Target_selector::target_bfd_name): New function.
 971         (print_output_format): Declare.
 972         * main.cc: Include "target-select.h".
 973         (main): Handle --print-output-format.
 974         * gold.cc: Include "target-select.h".
 975         (queue_initial_tasks): Handle --print-output-format when there are
 976         no input files.
 977         * parameters.cc (parameters_force_valid_target): Give a better
 978         error message if -EB/-EL does not match target.
 979         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 980         function.
 981
 982 2011-07-15  Ian Lance Taylor  <iant@google.com>
 983
 984         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 985         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 986         (Output_data_plt_i386::do_write): Write address of .dynamic
 987         section to first entry in .got.plt section.
 988         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 989         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 990         Initialize layout_.
 991         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 992         section to first entry in .got.plt section.
 993         * layout.h (Layout::dynamic_section): New function.
 994
 995 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 996
 997         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 998         to claim_file call.
 999         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1000         input_section_position_, and input_section_glob_.
1001         (read_layout_from_file): Call function section_ordering_specified.
1002         * layout.h (is_section_ordering_specified): New function.
1003         (section_ordering_specified): New function.
1004         (section_ordering_specified_): New boolean member.
1005         * main.cc(main): Call load_plugins after layout object is defined.
1006         * output.cc (Output_section::add_input_section): Use
1007         function section_ordering_specified to check if section ordering is
1008         needed.
1009         * output.cc (Output_section::add_relaxed_input_section): Use
1010         function section_ordering_specified to check if section ordering is
1011         needed.
1012         (Output_section::update_section_layout): New function.
1013         (Output_section::sort_attached_input_sections): Check if input section
1014         must be reordered.
1015         * output.h (Output_section::update_section_layout): New function.
1016         * plugin.cc (get_section_count): New function.
1017         (get_section_type): New function.
1018         (get_section_name): New function.
1019         (get_section_contents): New function.
1020         (update_section_order): New function.
1021         (allow_section_ordering): New function.
1022         (Plugin::load): Add the new interfaces to the transfer vector.
1023         (Plugin_manager::load_plugins): New parameter.
1024         (Plugin_manager::all_symbols_read): New parameter.
1025         (Plugin_manager::claim_file): New parameter. Save the elf object for
1026         unclaimed objects.
1027         (Plugin_manager::get_elf_object): New function.
1028         (Plugin_manager::get_view): Change to directly use the bool to check
1029         if get_view is called from claim_file_hook.
1030         * plugin.h (input_objects): New function
1031         (Plugin__manager::load_plugins): New parameter.
1032         (Plugin_manager::claim_file): New parameter.
1033         (Plugin_manager::get_elf_object): New function.
1034         (Plugin_manager::in_claim_file_handler): New function.
1035         (Plugin_manager::in_claim_file_handler_): New member.
1036         (layout): New function.
1037         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1038         handler with an extra parameter. Make the elf object before calling
1039         claim_file handler.
1040         * testsuite/plugin_test.c (get_section_count): New function pointer.
1041         (get_section_type): New function pointer.
1042         (get_section_name): New function pointer.
1043         (get_section_contents): New function pointer.
1044         (update_section_order): New function pointer.
1045         (allow_section_ordering): New function pointer.
1046         (onload): Check if the new interfaces exist.
1047
1048 2011-07-13  Ian Lance Taylor  <iant@google.com>
1049
1050         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1051         relro section.
1052         * x86_64.cc (Target_x86_64::got_section): Likewise.
1053         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1054         (relro_now_test_SOURCES): New variable.
1055         (relro_now_test_DEPENDENCIES): New variable.
1056         (relro_now_test_LDFLAGS): New variable.
1057         (relro_now_test_LDADD): New variable.
1058         (relro_now_test.so): New target.
1059         * testsuite/Makefile.in: Rebuild.
1060
1061 2011-07-12  Ian Lance Taylor  <iant@google.com>
1062
1063         PR gold/12980
1064         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1065         GLOB_DAT relocation rather than a RELATIVE relocation for a
1066         protected symbol when creating a shared library.
1067         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1068         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1069         * testsuite/protected_main_1.cc (main): Test that protected
1070         function has same address.
1071
1072 2011-07-11  Ian Lance Taylor  <iant@google.com>
1073
1074         PR gold/12979
1075         * options.h (class General_options): Add -Bgroup.
1076         * options.cc (General_options::finalize): If -Bgroup is set,
1077         default to --unresolved-symbols=report-all.
1078         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1079         * target-reloc.h (issue_undefined_symbol_error): Handle
1080         --unresolved-symbols=report-all.
1081
1082 2011-07-08  Ian Lance Taylor  <iant@google.com>
1083
1084         PR gold/11985
1085         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1086         if linker script discards key sections.
1087         (Layout::create_dynamic_symtab): Likewise.
1088         (Layout::assign_local_dynsym_offsets): Likewise.
1089         (Layout::sized_create_version_sections): Likewise.
1090         (Layout::create_interp): Likewise.
1091         (Layout::finish_dynamic_section): Likewise.
1092         (Layout::set_dynamic_symbol_size): Likewise.
1093
1094 2011-07-08  Ian Lance Taylor  <iant@google.com>
1095
1096         PR gold/12386
1097         * options.h (class General_options): Add --unresolved-symbols.
1098         * target-reloc.h (issue_undefined_symbol_error): Check
1099         --unresolved-symbols.  Add comments.
1100
1101 2011-07-08  Ian Lance Taylor  <iant@google.com>
1102
1103         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1104         expression more complex.
1105
1106 2011-07-08  Ian Lance Taylor  <iant@google.com>
1107
1108         PR gold/11317
1109         * target-reloc.h (issue_undefined_symbol_error): New inline
1110         function, broken out of relocate_section.
1111         (relocate_section): Call issue_undefined_symbol_error.
1112         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1113         there is no TLS segment if we are about to issue an undefined
1114         symbol error.
1115         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1116
1117 2011-07-08  Ian Lance Taylor  <iant@google.com>
1118
1119         PR gold/12279
1120         * resolve.cc (Symbol_table::should_override): Add fromtype
1121         parameter.  Change all callers.  Give error when linking together
1122         TLS and non-TLS symbol.
1123         (Symbol_table::should_override_with_special): Add fromtype
1124         parameter.  Change all callers.
1125         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1126         there is no TLS segment if we have reported some errors.
1127         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1128
1129 2011-07-08  Ian Lance Taylor  <iant@google.com>
1130
1131         PR gold/12372
1132         * target.h (Target::plt_address_for_global): New function.
1133         (Target::plt_address_for_local): New function.
1134         (Target::plt_section_for_global): Remove.
1135         (Target::plt_section_for_local): Remove.
1136         (Target::do_plt_address_for_global): New virtual function.
1137         (Target::do_plt_address_for_local): New virtual function.
1138         (Target::do_plt_section_for_global): Remove.
1139         (Target::do_plt_section_for_local): Remove.
1140         (Target::register_global_plt_entry): Add Symbol_table and Layout
1141         parameters.
1142         * output.cc (Output_data_got::Got_entry::write): Use
1143         plt_address_for_global and plt_address_for_local.
1144         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1145         address of output section.
1146         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1147         got_irelative_, and irelative_count_ fields.  Update
1148         declarations.
1149         (Output_data_plt_i386::has_irelative_section): New function.
1150         (Output_data_plt_i386::entry_count): Add irelative_count_.
1151         (Output_data_plt_i386::set_final_data_size): Likewise.
1152         (class Target_i386): Add got_irelative_ and rel_irelative_
1153         fields.  Update declarations.
1154         (Target_i386::Target_i386): Initialize new fields.
1155         (Target_i386::do_plt_address_for_global): New function replacing
1156         do_plt_section_for_global.
1157         (Target_i386::do_plt_address_for_local): New function replacing
1158         do_plt_section_for_local.
1159         (Target_i386::got_section): Create got_irelative_.
1160         (Target_i386::rel_irelative_section): New function.
1161         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1162         fields.  Don't define __rel_iplt_{start,end}.
1163         (Output_data_plt_i386::add_entry): Add symtab and layout
1164         parameters.  Change all callers.  Use different PLT and GOT for
1165         IFUNC symbols.
1166         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1167         layout parameters.  Change all callers.  Use different PLT and
1168         GOT.
1169         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1170         (Output_data_plt_i386::rel_irelative): New function.
1171         (Output_data_plt_i386::address_for_global): New function.
1172         (Output_data_plt_i386::address_for_local): New function.
1173         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1174         IRELATIVE GOT when changing IFUNC GOT entries.
1175         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1176         reloc.
1177         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1178         if we didn't create an IRELATIVE GOT.
1179         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1180         plt_address_for_local.
1181         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1182         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1183         got_irelative_, and irelative_count_ fields.  Update
1184         declarations.
1185         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1186         Initialize new fields.  Remove symtab parameter.  Change all
1187         callers.
1188         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1189         irelative_count_.
1190         (Output_data_plt_x86_64::has_irelative_section): New function.
1191         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1192         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1193         fields.  Update declarations.
1194         (Target_x86_64::Target_x86_64): Initialize new fields.
1195         (Target_x86_64::do_plt_address_for_global): New function replacing
1196         do_plt_section_for_global.
1197         (Target_x86_64::do_plt_address_for_local): New function replacing
1198         do_plt_section_for_local.
1199         (Target_x86_64::got_section): Create got_irelative_.
1200         (Target_x86_64::rela_irelative_section): New function.
1201         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1202         all callers.  Don't create __rel_iplt_{start,end}.
1203         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1204         parameters.  Change all callers.  Use different PLT and GOT for
1205         IFUNC symbols.
1206         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1207         layout parameters.  Change all callers.  Use different PLT and
1208         GOT.
1209         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1210         parameters.  Change all callers.  Use different PLT and GOT for
1211         IFUNC symbols.
1212         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1213         (Output_data_plt_x86_64::rela_irelative): New function.
1214         (Output_data_plt_x86_64::address_for_global): New function.
1215         (Output_data_plt_x86_64::address_for_local): New function.
1216         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1217         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1218         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1219         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1220         parameters.
1221         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1222         reloc.
1223         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1224         symbols if we didn't create an IRELATIVE GOT.
1225         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1226         plt_address_for_local.
1227         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1228         * testsuite/ifuncvar1.c: New test file.
1229         * testsuite/ifuncvar2.c: New test file.
1230         * testsuite/ifuncvar3.c: New test file.
1231         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1232         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1233         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1234         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1235         * testsuite/Makefile.in: Rebuild.
1236
1237 2011-07-07  Cary Coutant  <ccoutant@google.com>
1238
1239         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1240         (two_file_test_1_ndebug.o): Likewise.
1241         (two_file_test_1b_ndebug.o): Likewise.
1242         (two_file_test_2_ndebug.o): Likewise.
1243         (two_file_test_main_ndebug.o): Likewise.
1244         (incremental_test_2): Link with no-debug versions.
1245
1246 2011-07-06  Cary Coutant  <ccoutant@google.com>
1247
1248         * gold/incremental.cc
1249         (Output_section_incremental_inputs::write_info_blocks): Check for
1250         hidden and internal symbols.
1251
1252 2011-07-06  Cary Coutant  <ccoutant@google.com>
1253
1254         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1255         Check disposition for startup file.
1256         (Incremental_inputs::report_command_line): Ignore
1257         --incremental-startup-unchanged option.
1258         * options.cc (General_options::parse_incremental_startup_unchanged):
1259         New function.
1260         (General_options::General_options): Initialize new data member.
1261         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1262         (General_options): Add --incremental-startup-unchanged option.
1263         (General_options::incremental_startup_disposition): New function.
1264         (General_options::incremental_startup_disposition_): New data member.
1265
1266 2011-07-06  Cary Coutant  <ccoutant@google.com>
1267
1268         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1269         input file index to Script_info ctor.
1270         (Sized_incremental_binary::do_file_has_changed): Find the
1271         command-line argument for files named in scripts.
1272         * incremental.h (Script_info::Script_info): New ctor
1273         with input file index.
1274         (Script_info::input_file_index): New function.
1275         (Script_info::input_file_index_): New data member.
1276         (Incremental_binary::get_library): Add const.
1277         (Incremental_binary::get_script_info): Add const.
1278         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1279         * testsuite/Makefile.am (incremental_test_5): New test case.
1280         (incremental_test_6): New test case.
1281         * testsuite/Makefile.in: Regenerate.
1282
1283 2011-07-06  Cary Coutant  <ccoutant@google.com>
1284
1285         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1286         debug output when command lines differ.
1287
1288 2011-07-06  Cary Coutant  <ccoutant@google.com>
1289
1290         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1291         --incremental-patch option.
1292         * layout.cc (Free_list::allocate): Extend allocation beyond original
1293         end if enabled.
1294         (Layout::make_output_section): Mark sections that should get
1295         patch space.
1296         * options.cc (parse_percent): New function.
1297         * options.h (parse_percent): New function.
1298         (DEFINE_percent): New macro.
1299         (General_options): Add --incremental-patch option.
1300         * output.cc (Output_section::Output_section): Initialize new data
1301         members.
1302         (Output_section::add_input_section): Print section name when out
1303         of patch space.
1304         (Output_section::add_output_section_data): Likewise.
1305         (Output_section::set_final_data_size): Add patch space when
1306         doing --incremental-full.
1307         (Output_section::do_reset_address_and_file_offset): Remove patch
1308         space.
1309         (Output_segment::set_section_list_addresses): Print debug output
1310         only if --incremental-update.
1311         * output.h (Output_section::set_is_patch_space_allowed): New function.
1312         (Output_section::is_patch_space_allowed_): New data member.
1313         (Output_section::patch_space_): New data member.
1314         * parameters.cc (Parameters::incremental_full): New function.
1315         * parameters.h (Parameters::incremental_full): New function
1316         * testsuite/Makefile.am (incremental_test_2): Add test for
1317         --incremental-patch option.
1318         * testsuite/Makefile.in: Regenerate.
1319         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1320         (t18): Remove function body.
1321
1322 2011-07-05  Doug Kwan  <dougkwan@google.com>
1323
1324         PR gold/12771
1325         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1326         Arm_Address type for relocation result.
1327         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1328         overflow check.
1329         (Arm_relocate_functions::abs32): Use unaligned access.
1330         (Arm_relocate_functions::rel32): Ditto.
1331         (Arm_relocate_functions::prel31): Ditto.
1332         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1333         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1334         static data relocations.
1335         * testsuite/Makefile.in: Regnerate.
1336         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1337
1338 2011-07-05  Ian Lance Taylor  <iant@google.com>
1339
1340         PR gold/12392
1341         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1342         symbols if necessary.
1343         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1344
1345 2011-07-05  Ian Lance Taylor  <iant@google.com>
1346
1347         PR gold/12952
1348         * resolve.cc (Symbol::override_base_with_special): Simply override
1349         version with special symbol version, ignoring previous version.
1350
1351 2011-07-05  Ian Lance Taylor  <iant@google.com>
1352
1353         * object.cc (Sized_relobj_file::include_section_group): Add
1354         information to comment about signature location.
1355
1356 2011-07-02  Ian Lance Taylor  <iant@google.com>
1357
1358         PR gold/12957
1359         * options.h (class General_options): Add -f and -F.
1360         * options.cc (General_options::finalize): Fatal error if -f/-F
1361         are used without -shared.
1362         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1363
1364 2011-07-02  Ian Lance Taylor  <iant@google.com>
1365
1366         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1367
1368 2011-07-01  Ian Lance Taylor  <iant@google.com>
1369
1370         PR gold/12525
1371         PR gold/12952
1372         * resolve.cc (Symbol::override_base_with_special): Don't override
1373         the version if the overriding symbol has a different name.
1374         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1375         all callers.  If we give an error about an undefined version,
1376         define the base version if necessary.
1377         * dynobj.h (class Versions): Update declaration.
1378         * testsuite/weak_alias_test_5.cc: New file.
1379         * testsuite/weak_alias_test.script: New file.
1380         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1381         and versioned_alias have the right value, and call t2.
1382         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1383         weak_alias_test_5.so.
1384         (weak_alias_test_LDADD): Likewise.
1385         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1386         * testsuite/Makefile.in: Rebuild.
1387
1388 2011-07-01  Ian Lance Taylor  <iant@google.com>
1389
1390         PR gold/12525
1391         * options.h (class General_options): Support -z notext.
1392         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1393         -Wl,-z,notext.
1394         (two_file_shared_nonpic.so): Likewise.
1395         (two_file_shared_mixed.so): Likewise.
1396         (two_file_shared_mixed_1.so): Likewise.
1397         (weak_undef_lib_nonpic.so): Likewise.
1398         (alt/weak_undef_lib_nonpic.so): Likewise.
1399         (tls_test_shared_nonpic.so): Likewise.
1400         * testsuite/Makefile.in: Rebuild.
1401
1402 2011-07-01  Ian Lance Taylor  <iant@google.com>
1403
1404         PR gold/12525
1405         * configure.ac: Test whether static linking works, setting
1406         the automake conditional HAVE_STATIC.
1407         * testsuite/Makefile.am: Disable tests using -static if
1408         HAVE_STATIC is not true.
1409         * configure, testsuite/Makefile.in: Rebuild.
1410
1411 2011-07-01  Ian Lance Taylor  <iant@google.com>
1412
1413         PR gold/12525
1414         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1415         Assert if we see DW_EH_PE_indirect.
1416         * target.h (Target::ehframe_datarel_base): New function.
1417         (Target::do_ehframe_datarel_base): New target function.
1418         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1419         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1420         function.
1421
1422 2011-07-01  Ian Lance Taylor  <iant@google.com>
1423
1424         PR gold/12571
1425         * options.h (class General_options): Add
1426         --ld-generated-unwind-info.
1427         * ehframe.cc (Fde::write): Add address parameter.  Change all
1428         callers.  If associated with PLT, fill in address and size.
1429         (Cie::set_output_offset): Only add merge mapping if there is an
1430         object.
1431         (Cie::write): Add address parameter.  Change all callers.
1432         (Eh_frame::add_ehframe_for_plt): New function.
1433         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1434         input_offset_ fields into union u_, with new plt field.
1435         (Fde::Fde): Adjust for new union field.
1436         (Fde::Fde) [Output_data version]: New constructor.
1437         (Fde::add_mapping): Only add merge mapping if there is an object.
1438         (class Cie): Update declarations.
1439         (class Eh_frame): Declare add_ehframe_for_plt.
1440         * layout.cc (Layout::layout_eh_frame): Break out code into
1441         make_eh_frame_section, and call it.
1442         (Layout::make_eh_frame_section): New function.
1443         (Layout::add_eh_frame_for_plt): New function.
1444         * layout.h (class Layout): Update declarations.
1445         * merge.cc (Merge_map::add_mapping): Add assertion.
1446         * i386.cc: Include "dwarf.h".
1447         (class Output_data_plt_i386): Make first_plt_entry,
1448         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1449         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1450         and plt_eh_frame_fde.
1451         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1452         boundary.  Call add_eh_frame_for_plt if appropriate.
1453         * x86_64.cc: Include "dwarf.h".
1454         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1455         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1456         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1457         and plt_eh_frame_fde.
1458         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1459         appropriate.
1460
1461 2011-06-29  Ian Lance Taylor  <iant@google.com>
1462
1463         PR gold/12629
1464         * object.cc (Sized_relobj_file::layout_section): Change shdr
1465         parameter to be const.
1466         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1467         out of do_layout.
1468         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1469         appropriate.  Call layout_eh_frame_section.
1470         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1471         sections.
1472         * object.h (class Sized_relobj_file): Update declarations.
1473
1474 2011-06-29  Ian Lance Taylor  <iant@google.com>
1475
1476         PR gold/12652
1477         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1478         modifier.
1479         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1480
1481 2011-06-29  Ian Lance Taylor  <iant@google.com>
1482
1483         PR gold/12675
1484         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1485         SHT_X86_64_UNWIND.
1486         * layout.cc (Layout::layout_eh_frame): Likewise.
1487
1488 2011-06-29  Ian Lance Taylor  <iant@google.com>
1489
1490         PR gold/12695
1491         * layout.cc (Layout::symtab_section_shndx): New function.
1492         * layout.h (class Layout): Declare symtab_section_shndx.
1493         * output.cc (Output_section::write_header): Call it.
1494
1495 2011-06-29  Ian Lance Taylor  <iant@google.com>
1496
1497         PR gold/12818
1498         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1499         symbols which are not used in a relocation.
1500
1501 2011-06-28  Ian Lance Taylor  <iant@google.com>
1502
1503         PR gold/12898
1504         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1505         script create indistinguishable segments.
1506         (Layout::set_segment_offsets): Use stable_sort when sorting
1507         segments.  Pass this to Compare_segments constructor.
1508         * layout.h (class Layout): Make segment_precedes non-static.
1509         (class Compare_segments): Change from struct to class.  Add
1510         layout_ field.  Add constructor.
1511         * script-sections.cc
1512         (Script_sections::attach_sections_using_phdrs_clause): Rename
1513         local orphan to is_orphan.  Don't report failure to put empty
1514         section in segment.  On attachment failure, report name of
1515         section, and attach to first PT_LOAD segment.
1516
1517 2011-06-28  Ian Lance Taylor  <iant@google.com>
1518
1519         PR gold/12934
1520         * target-select.cc (Target_selector::Target_selector): Add
1521         emulation parameter.  Change all callers.
1522         (select_target_by_bfd_name): Rename from select_target_by_name.
1523         Change all callers.
1524         (select_target_by_emulation): New function.
1525         (supported_emulation_names): New function.
1526         * target-select.h (class Target_selector): Add emulation_ field.
1527         Update declarations.
1528         (Target_selector::recognize_by_bfd_name): Rename from
1529         recognize_by_name.  Change all callers.
1530         (Target_selector::supported_bfd_names): Rename from
1531         supported_names.  Change all callers.
1532         (Target_selector::recognize_by_emulation): New function.
1533         (Target_selector::supported_emulations): New function.
1534         (Target_selector::emulation): New function.
1535         (Target_selector::do_recognize_by_bfd_name): Rename from
1536         do_recognize_by_name.  Change all callers.
1537         (Target_selector::do_supported_bfd_names): Rename from
1538         do_supported_names.  Change all callers.
1539         (Target_selector::do_recognize_by_emulation): New function.
1540         (Target_selector::do_supported_emulations): New function.
1541         (select_target_by_bfd_name): Change name in declaration.
1542         (select_target_by_emulation): Declare.
1543         (supported_emulation_names): Declare.
1544         * parameters.cc (parameters_force_valid_target): Try to find
1545         target based on emulation from -m option.
1546         * options.h (class General_options): Change doc string for -m.
1547         * options.cc (help): Print emulations.
1548         (General_options::parse_V): Likewise.
1549         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1550         Add emulation parameter.  Change all callers.
1551
1552 2011-06-28  Ian Lance Taylor  <iant@google.com>
1553
1554         * target.h (class Target): Add osabi_ field.
1555         (Target::osabi): New function.
1556         (Target::set_osabi): New function.
1557         (Target::Target): Initialize osabi_.
1558         (Target::do_adjust_elf_header): Make pure virtual.
1559         (Sized_target::do_adjust_elf_header): Declare.
1560         * target.cc (Sized_target::do_adjust_elf_header): New function.
1561         (class Sized_target): Instantiate all versions.
1562         * freebsd.h (class Target_freebsd): Remove.
1563         (Target_selector_freebsd::do_recognize): Call set_osabi on
1564         Target.
1565         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1566         (Target_selector_freebsd::set_osabi): Remove.
1567         * i386.cc (class Target_i386): Inherit from Sized_target rather
1568         than Target_freebsd.
1569         * x86_64.cc (class Target_x86_64): Likewise.
1570
1571 2011-06-28  Ian Lance Taylor  <iant@google.com>
1572
1573         * target.h (Target::can_check_for_function_pointers): Rewrite.
1574         Make non-virtual.
1575         (Target::can_icf_inline_merge_sections): Likewise.
1576         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1577         (Target::Target_info): Add can_icf_inline_merge_sections field.
1578         (Target::do_can_check_for_function_pointers): New virtual
1579         function.
1580         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1581         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1582         from can_check_for_function_pointers, move in file.
1583         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1584         section_may_have_icf_unsafe_poineters, move in file.
1585         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1586         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1587         Rename from can_check_for_function_pointers, move in file.
1588         (Target_i386::can_icf_inline_merge_sections): Remove.
1589         (Target_i386::i386_info): Initialize
1590         can_icf_inline_merge_sections.
1591         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1592         Initialize can_icf_inline_merge_sections.
1593         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1594         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1595         Rename from can_check_for_function_pointers, move in file.
1596         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1597         (Target_x86_64::x86_64_info): Initialize
1598         can_icf_inline_merge_sections.
1599         * testsuite/testfile.cc (Target_test::test_target_info):
1600         Likewise.
1601         * icf.cc (get_section_contents): Correct formatting.
1602
1603 2011-06-27  Ian Lance Taylor  <iant@google.com>
1604
1605         * symtab.cc (Symbol::versioned_name): New function.
1606         (Symbol_table::add_to_final_symtab): Use versioned_name when
1607         appropriate.
1608         (Symbol_table::sized_write_symbol): Likewise.
1609         * symtab.h (class Symbol): Declare versioned_name.
1610         * stringpool.h (class Stringpool_template): Add variant of add
1611         which takes a std::basic_string.
1612         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1613         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1614         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1615         (ver_test_12.o): New target.
1616         * testsuite/Makefile.in: Rebuild.
1617
1618 2011-06-27  Doug Kwan  <dougkwan@google.com>
1619
1620         * arm.cc (Arm_relocate_functions::thm_jump8,
1621         Arm_relocate_functions::thm_jump11): Use a wider signed
1622         type to compute offset.
1623         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1624         arm_thm_jump8.
1625         * testsuite/Makefile.in: Regenerate.
1626         * testsuite/arm_branch_in_range.sh: Check test results of
1627         arm_thm_jump11 and arm_thm_jump8.
1628         * testsuite/arm_thm_jump11.s: New test source file.
1629         * testsuite/arm_thm_jump11.t: New linker script.
1630         * testsuite/arm_thm_jump8.s: New test source file.
1631         * testsuite/arm_thm_jump8.t: New linker script.
1632
1633 2011-06-24  Ian Lance Taylor  <iant@google.com>
1634
1635         * layout.cc: Include "object.h".
1636         (ctors_sections_in_init_array): New static variable.
1637         (Layout::is_ctors_in_init_array): New function.
1638         (Layout::layout): Add entry to ctors_sections_in_init_array if
1639         appropriate.
1640         * layout.h (class Layout): Declare is_ctors_in_init_array.
1641         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1642         is_ctors_reverse_view is set.
1643         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1644         all callers.  Set is_ctors_reverse_view field of View_size.
1645         (Sized_relobj_file::reverse_words): New function.
1646         * object.h (Sized_relobj_file::View_size): Add
1647         is_ctors_reverse_view field.
1648         (class Sized_relobj_file): Update declarations.
1649         * testsuite/initpri3.c: New test.
1650         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1651         initpri3b.
1652         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1653         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1654         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1655         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1656         * testsuite/Makefile.in: Rebuild.
1657
1658 2011-06-24  Cary Coutant  <ccoutant@google.com>
1659
1660         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1661         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1662         (debug_msg_cdebug.err): New targets.
1663         * testsuite/Makefile.in: Regenerate.
1664         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1665         Fix checks for link with shared library.
1666
1667 2011-06-24  Doug Kwan  <dougkwan@google.com>
1668
1669         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1670         skip empty text sections.
1671         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1672
1673 2011-06-22  Ian Lance Taylor  <iant@google.com>
1674
1675         PR gold/12910
1676         * options.h (class General_options): Add --ctors-in-init-array.
1677         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1678         friends as SHT_PROGBITS for merging sections.
1679         (Layout::layout): Remove special handling of .init_array and
1680         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1681         and .dtors if ctors_in_init_array.
1682         (Layout::make_output_section): Force correct section types for
1683         .init_array and friends.  Don't sort if doing relocatable link,
1684         Don't sort .ctors and .dtors if ctors_in_init_array.
1685         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1686         (Layout::output_section_name): Add relobj parameter.  Change all
1687         callers.  Handle .ctors. and .dtors. in code rather than table.
1688         Handle .ctors and .dtors if ctors_in_init_array.
1689         (Layout::match_file_name): New function, moved from output.cc.
1690         * layout.h (class Layout): Update declarations.
1691         * output.cc: Include "layout.h".
1692         (Input_section_sort_entry::get_priority): New function.
1693         (Input_section_sort_entry::match_file_name): Just call
1694         Layout::match_file_name.
1695         (Output_section::Input_section_sort_init_fini_compare::operator()):
1696         Handle .ctors and .dtors.  Sort by explicit priority rather than
1697         by name.
1698         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1699         * testsuite/initpri2.c: New test.
1700         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1701         (check_PROGRAMS): Add initpri2.
1702         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1703         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1704         * configure, testsuite/Makefile.in: Rebuild.
1705
1706 2011-06-19  Ian Lance Taylor  <iant@google.com>
1707
1708         PR gold/12880
1709         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1710         .interp section to a PT_INTERP segment even if we have seen a
1711         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1712         clause in a linker script.
1713         (Layout::finalize): Don't create a .interp section if we've
1714         already create a PT_INTERP segment.
1715         (Layout::create_interp): Always call choose_output_section (revert
1716         patch of 2011-06-17).  Don't create PT_INTERP segment.
1717         * script-sections.cc
1718         (Script_sections::create_note_and_tls_segments): Add a .interp
1719         section to a PT_INTERP segment even if we have seen a
1720         --dynamic-linker option.
1721
1722 2011-06-18  Ian Lance Taylor  <iant@google.com>
1723
1724         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1725         merely because a non-PT_LOAD segment has a dynamic reloc.
1726
1727 2011-06-18  Ian Lance Taylor  <iant@google.com>
1728
1729         * layout.cc (Layout::finish_dynamic_section): Don't create
1730         DT_FLAGS entry if not needed.
1731
1732 2011-06-18  Ian Lance Taylor  <iant@google.com>
1733
1734         PR gold/12745
1735         * layout.cc (Layout::layout_eh_frame): Correct handling of
1736         writable .eh_frame section.
1737
1738 2011-06-17  Ian Lance Taylor  <iant@google.com>
1739
1740         PR gold/12893
1741         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1742         symbol is redefined with the exact same object and value.
1743
1744 2011-06-17  Ian Lance Taylor  <iant@google.com>
1745
1746         PR gold/12880
1747         * layout.h (class Layout): Add interp_segment_ field.
1748         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1749         (Layout::attach_allocated_section_to_segment): If making shared
1750         library, put .interp section in PT_INTERP segment.
1751         (Layout::finalize): Also call create_interp if -dynamic-linker
1752         option was used.
1753         (Layout::create_interp): Assert that there is no PT_INTERP
1754         segment.  If not using a SECTIONS clause, use make_output_section.
1755         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1756         * script-sections.cc
1757         (Script_sections::create_note_and_tls_segments): If making shared
1758         library, put .interp section in PT_INTERP segment.
1759
1760 2011-06-17  Ian Lance Taylor  <iant@google.com>
1761
1762         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1763         when making a shared library.
1764
1765 2011-06-17  Ian Lance Taylor  <iant@google.com>
1766
1767         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1768         parameter.  Change all callers.  Don't issue warning about PC32
1769         against locally defined symbol.
1770
1771 2011-06-16  Ian Lance Taylor  <iant@google.com>
1772
1773         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1774         occurs in same object.
1775
1776 2011-06-14  Alan Modra  <amodra@gmail.com>
1777
1778         * po/POTFILES.in: Regenerate.
1779
1780 2011-06-09  Ian Lance Taylor  <iant@google.com>
1781
1782         * script-sections.cc
1783         (Orphan_output_section::set_section_addresses): For a relocatable
1784         link set address to 0.
1785
1786 2011-06-09  Cary Coutant  <ccoutant@google.com>
1787
1788         PR gold/12804
1789         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1790         used with --compress-debug-sections.
1791         * gold/object.cc (Sized_relobj_file::do_layout): Report
1792         uncompressed size of compressed input sections.
1793
1794 2011-06-08  Cary Coutant  <ccoutant@google.com>
1795
1796         PR gold/12804
1797         * testsuite/two_file_test_2_v1.cc: Change initialization of
1798         v2 to keep it in .data.
1799
1800 2011-06-07  Cary Coutant  <ccoutant@google.com>
1801
1802         * common.cc (Symbol_table::do_allocate_commons_list): Call
1803         gold_fallback.
1804         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1805         (Errors::fallback): New function.
1806         (gold_fallback): New function.
1807         * errors.h (Errors::fallback): New function.
1808         * gold.cc (gold_exit): Change status parameter to enum; adjust
1809         all callers.
1810         (queue_initial_tasks): Call gold_fallback.
1811         * gold.h: Include cstdlib.
1812         (Exit_status): New enum type.
1813         (gold_exit): Change status parameter to enum.
1814         (gold_fallback): New function.
1815         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1816         (Layout::create_symtab_sections): Likewise.
1817         (Layout::create_shdrs): Likewise.
1818         * main.cc (main): Adjust call to gold_exit.
1819         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1820         (Output_data_got::add_got_entry_pair): Likewise.
1821         (Output_section::add_input_section): Likewise.
1822         (Output_section::add_output_section_data): Likewise.
1823         (Output_segment::set_section_list_addresses): Likewise.
1824         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1825
1826 2011-06-07  Cary Coutant  <ccoutant@google.com>
1827
1828         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1829         for incremental links.
1830         * output.cc (Output_segment::set_section_list_addresses): Remove
1831         FIXME and test for TLS or BSS.
1832
1833 2011-06-07  Cary Coutant  <ccoutant@google.com>
1834
1835         * testsuite/Makefile.am: Add incremental_copy_test,
1836         incremental_common_test_1.
1837         * testsuite/Makefile.in: Regenerate.
1838         * testsuite/common_test_1_v1.c: New source file.
1839         * testsuite/common_test_1_v2.c: New source file.
1840         * testsuite/copy_test_v1.cc: New source file.
1841
1842 2011-06-07  Cary Coutant  <ccoutant@google.com>
1843
1844         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1845         update, allocate common from bss section's free list.
1846         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1847         linker-defined symbols.
1848         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1849         Skip GOT and PLT entries that are no longer referenced.
1850         (Output_section_incremental_inputs::write_info_blocks): Mark
1851         linker-defined symbols.
1852         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1853         * output.cc (Output_section::allocate): New function.
1854         * output.h (Output_section::allocate): New function.
1855         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1856         linker-defined symbols.
1857         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1858         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1859         (Symbol::init_base_output_data): Likewise.
1860         (Symbol::init_base_output_segment): Likewise.
1861         (Symbol::init_base_constant): Likewise.
1862         (Sized_symbol::init_output_data): Likewise.
1863         (Sized_symbol::init_output_segment): Likewise.
1864         (Sized_symbol::init_constant): Likewise.
1865         (Symbol_table::do_define_in_output_data): Likewise.
1866         (Symbol_table::do_define_in_output_segment): Likewise.
1867         (Symbol_table::do_define_as_constant): Likewise.
1868         * symtab.h (Symbol::is_predefined): New function.
1869         (Symbol::init_base_output_data): Add is_predefined parameter.
1870         (Symbol::init_base_output_segment): Likewise.
1871         (Symbol::init_base_constant): Likewise.
1872         (Symbol::is_predefined_): New data member.
1873         (Sized_symbol::init_output_data): Add is_predefined parameter.
1874         (Sized_symbol::init_output_segment): Likewise.
1875         (Sized_symbol::init_constant): Likewise.
1876         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1877
1878 2011-06-07  Cary Coutant  <ccoutant@google.com>
1879
1880         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1881         instead of emit_copy_reloc.
1882         (Copy_relocs::emit_copy_reloc): Refactor.
1883         (Copy_relocs::make_copy_reloc): New function.
1884         (Copy_relocs::add_copy_reloc): Remove.
1885         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1886         section.
1887         (Copy_relocs::make_copy_reloc): New function.
1888         (Copy_relocs::add_copy_reloc): Remove.
1889         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1890         unchanged input files.
1891         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1892         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1893         Reserve BSS space for COPY relocations.
1894         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1895         (Output_section_incremental_inputs::write_info_blocks): Record
1896         whether a symbol is copied from a shared object.
1897         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1898         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1899         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1900         (Incremental_input_entry_reader::get_output_symbol_index): Add
1901         is_copy parameter.
1902         (Incremental_binary::emit_copy_relocs): New function.
1903         (Incremental_binary::do_emit_copy_relocs): New function.
1904         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1905         new data member.
1906         (Sized_incremental_binary::add_copy_reloc): New function.
1907         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1908         (Sized_incremental_binary::Copy_reloc): New struct.
1909         (Sized_incremental_binary::Copy_relocs): New typedef.
1910         (Sized_incremental_binary::copy_relocs_): New data member.
1911         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1912         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1913         * target.h (Sized_target::emit_copy_reloc): New function.
1914         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1915
1916 2011-06-02  Cary Coutant  <ccoutant@google.com>
1917
1918         PR gold/12163
1919         * gold/archive.cc (Archive::Archive): Initialize new data member.
1920         (Archive::include_all_members): Return if archive has already been
1921         included.
1922         * gold/archive.h (Archive::include_all_members_): New data member.
1923
1924 2011-06-02  Nick Clifton  <nickc@redhat.com>
1925
1926         * dynobj.h: Fix spelling mistake in comment.
1927         * output.cc: Likewise.
1928
1929 2011-05-31  Doug Kwan  <dougkwan@google.com>
1930             Asier Llano
1931
1932         PR gold/12826
1933         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1934         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1935         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1936         redundant arm_exidx_test.so.
1937         * testsuite/Makefile.in: Regenerate.
1938         (check_SCRIPTS): Add pr12826.sh
1939         (check_DATA): Add pr12826.stdout
1940         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1941         * testsuite/pr12826.sh: New file.
1942         * testsuite/pr12826_1.s: Ditto.
1943         * testsuite/pr12826_1.s: Ditto.
1944
1945 2011-05-30  Ian Lance Taylor  <iant@google.com>
1946
1947         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1948         sections.
1949
1950 2011-05-29  Ian Lance Taylor  <iant@google.com>
1951
1952         PR gold/12804
1953         * testsuite/Makefile.am: Use different file name for two_file_test
1954         temporary file for each incremental test.
1955         * testsuite/Makefile.in: Rebuild.
1956
1957 2011-05-29  Ian Lance Taylor  <iant@google.com>
1958
1959         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1960         binary input file is empty.
1961
1962 2011-05-27  Ian Lance Taylor  <iant@google.com>
1963
1964         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1965         (ver_test_9.so): Likewise.
1966         * testsuite/Makefile.in: Rebuild.
1967
1968 2011-05-26 Cary Coutant  <ccoutant@google.com>
1969
1970         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1971         * incremental.cc (Incremental_inputs::report_input_section): Fix
1972         comment, indentation.
1973         (Incremental_inputs::report_comdat_group): New function.
1974         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1975         of data for incremental input file entry.
1976         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1977         group count, COMDAT group signatures.
1978         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1979         an unchanged input file.
1980         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1981         Initialize new data member.
1982         (Incremental_object_entry::add_comdat_group): New function.
1983         (Incremental_object_entry::get_comdat_group_count): New function.
1984         (Incremental_object_entry::get_comdat_signature_key): New function.
1985         (Incremental_object_entry::groups_): New data member.
1986         (Incremental_inputs::report_comdat_group): New function.
1987         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1988         data for incremental input file entry.
1989         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1990         (Incremental_input_entry_reader::get_input_section): Adjust size of
1991         data for incremental input file entry.
1992         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1993         (Incremental_input_entry_reader::get_comdat_group_signature): New
1994         function.
1995         * object.cc (Sized_relobj::include_section_group): Report kept
1996         COMDAT groups for incremental links.
1997
1998 2011-05-24  David Meyer  <pdox@google.com>
1999
2000         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2001         with name parameter.  Add found_name parameter.
2002         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2003         * dirsearch.h (class Dirsearch): Update declaration.
2004
2005 2011-05-24  Ian Lance Taylor  <iant@google.com>
2006
2007         * archive.cc (Library_base::should_include_member): Pull in object
2008         from archive if it defines the entry symbol.
2009         * parameters.cc (Parameters::entry): New function.
2010         * parameters.h (class Parameters): Declare entry.
2011         * output.h (class Output_file_header): Remove entry_ field.
2012         * output.cc (Output_file_header::Output_file_header): Remove entry
2013         parameter.  Change all callers.
2014         (Output_file_header::entry): Use parameters->entry.
2015         * gold.cc (queue_middle_tasks): Likewise.
2016         * plugin.cc (Plugin_hook::run): Likewise.
2017
2018 2011-05-24 Cary Coutant  <ccoutant@google.com>
2019
2020         * gold.cc (queue_initial_tasks): Pass incremental base filename
2021         to Output_file::open_base_file; don't print error message.
2022         * incremental-dump.cc (main): Adjust call to
2023         Output_file::open_for_modification.
2024         * incremental-dump.cc (main): Likewise.
2025         * incremental.cc (Incremental_inputs::report_command_line):
2026         Ignore --incremental-base option when comparing command lines.
2027         Ignore parameter when given as separate argument.
2028         * options.h (class General_options): Add --incremental-base.
2029         * output.cc (Output_file::Output_file):
2030         (Output_file::open_base_file): Add base_name and writable parameters;
2031         read base file into new file; print error message here.
2032         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2033         callers.
2034         * output.h (Output_file::open_for_modification): Rename to...
2035         (Output_file::open_base_file): ...this; add base_name and
2036         writable parameters; adjust all callers.
2037         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2038         callers.
2039         * testsuite/Makefile.am (incremental_test_4): Test
2040         --incremental-base.
2041         * testsuite/Makefile.in: Regenerate.
2042
2043 2011-05-24 Cary Coutant  <ccoutant@google.com>
2044
2045         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2046         incremental_test_4.
2047         * testsuite/Makefile.in: Regenerate.
2048         * testsuite/two_file_test_1_v1.cc: New test source file.
2049         * testsuite/two_file_test_1b_v1.cc: New test source file.
2050         * testsuite/two_file_test_2_v1.cc: New test source file.
2051
2052 2011-05-24 Cary Coutant  <ccoutant@google.com>
2053
2054         * dynobj.h (Dynobj::do_dynobj): New function.
2055         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2056         flag and soname for shared objects.
2057         * incremental.cc (Incremental_inputs::report_object): Make
2058         either Incremental_object_entry or Incremental_dynobj_entry; add
2059         soname to string table.
2060         (Incremental_inputs::report_input_section): Add assertion.
2061         (Output_section_incremental_inputs::set_final_data_size): Adjust
2062         type of input file entry for shared libraries; adjust size of
2063         shared library info entry.
2064         (Output_section_incremental_inputs::write_input_files): Write
2065         as_needed flag for shared libraries.
2066         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2067         of input file entry for shared libraries; write soname.
2068         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2069         soname from incremental info.
2070         * incremental.h (enum Incremental_input_flags): Add
2071         INCREMENTAL_INPUT_AS_NEEDED.
2072         (Incremental_input_entry::Incremental_input_entry): Initialize new
2073         data member.
2074         (Incremental_input_entry::set_as_needed): New function.
2075         (Incremental_input_entry::as_needed): New function.
2076         (Incremental_input_entry::do_dynobj_entry): New function.
2077         (Incremental_input_entry::as_needed_): New data member.
2078         (Incremental_object_entry::Incremental_object_entry): Don't check
2079         for shared library.
2080         (Incremental_object_entry::do_type): Likewise.
2081         (class Incremental_dynobj_entry): New class.
2082         (Incremental_input_entry_reader::as_needed): New function.
2083         (Incremental_input_entry_reader::get_soname): New function.
2084         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2085         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2086         size of shared library info entry.
2087         * layout.cc (Layout::finish_dynamic_section): Don't test for
2088         incremental link when adding DT_NEEDED entries.
2089         * object.h (Object::Object): Initialize new data member.
2090         (Object::dynobj): New function.
2091         (Object::set_as_needed): New function.
2092         (Object::as_needed): New function.
2093         (Object::do_dynobj): New function.
2094         (Object::as_needed_): New data member.
2095
2096 2011-05-24 Cary Coutant  <ccoutant@google.com>
2097
2098         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2099         info; adjust display of GOT entries.
2100         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2101         vector of input objects; remove file_status_.
2102         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2103         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2104         got_plt reader; call target hooks to reserve GOT entries.
2105         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2106         of input file info header and GOT info entry.
2107         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2108         relocation info.
2109         (Got_plt_view_info::got_descriptor): Remove.
2110         (Got_plt_view_info::sym_index): New data member.
2111         (Got_plt_view_info::input_index): New data member.
2112         (Local_got_offset_visitor::visit): Write input file index.
2113         (Global_got_offset_visitor::visit): Write 0 for input file index.
2114         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2115         with sym_index and input_index.
2116         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2117         incremental info GOT entry; replace got_descriptor with input_index.
2118         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2119         map from input file index to object.
2120         (Sized_relobj_incr::do_layout): Replace direct data member reference
2121         with accessor function.
2122         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2123         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2124         Adjust size of input file info header.
2125         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2126         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2127         (Incremental_input_entry_reader::get_input_section): Adjust size of
2128         input file info header.
2129         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2130         of incremental info GOT entry.
2131         (Incremental_got_plt_reader::get_got_desc): Remove.
2132         (Incremental_got_plt_reader::get_got_symndx): New function.
2133         (Incremental_got_plt_reader::get_got_input_index): New function.
2134         (Sized_incremental_binary::Sized_incremental_binary): Remove
2135         file_status_; add input_objects_.
2136         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2137         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2138         (Sized_incremental_binary::file_is_unchanged): Remove.
2139         (Sized_incremental_binary::set_input_object): New function.
2140         (Sized_incremental_binary::input_object): New function.
2141         (Sized_incremental_binary::file_status_): Remove.
2142         (Sized_incremental_binary::input_objects_): New data member.
2143         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2144         references.
2145         (Sized_relobj_incr::invalid_address): Move to base class.
2146         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2147         class.
2148         (Sized_relobj_incr::do_output_section_offset): Likewise.
2149         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2150         (Sized_relobj_incr::section_offsets_): Likewise.
2151         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2152         function.
2153         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2154         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2155         with accessor function.
2156         (Sized_relobj_file::do_layout): Likewise.
2157         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2158         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2159         (Sized_relobj_file::compute_final_local_value): Replace refs to
2160         section_offsets_ with accessor function.
2161         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2162         * object.h (Relobj::Relobj): Initialize new data members.
2163         (Relobj::add_dyn_reloc): New function.
2164         (Relobj::first_dyn_reloc): New function.
2165         (Relobj::dyn_reloc_count): New function.
2166         (Relobj::first_dyn_reloc_): New data member.
2167         (Relobj::dyn_reloc_count_): New data member.
2168         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2169         references.
2170         (Sized_relobj::Address): New typedef.
2171         (Sized_relobj::invalid_address): Move here from child class.
2172         (Sized_relobj::Sized_relobj): Initialize new data members.
2173         (Sized_relobj::sized_relobj): New function.
2174         (Sized_relobj::is_output_section_offset_invalid): Move here from
2175         child class.
2176         (Sized_relobj::get_output_section_offset): Likewise.
2177         (Sized_relobj::local_has_got_offset): Likewise.
2178         (Sized_relobj::local_got_offset): Likewise.
2179         (Sized_relobj::set_local_got_offset): Likewise.
2180         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2181         (Sized_relobj::clear_got_offsets): New function.
2182         (Sized_relobj::section_offsets): Move here from child class.
2183         (Sized_relobj::do_output_section_offset): Likewise.
2184         (Sized_relobj::do_set_section_offset): Likewise.
2185         (Sized_relobj::Local_got_offsets): Likewise.
2186         (Sized_relobj::local_got_offsets_): Likewise.
2187         (Sized_relobj::section_offsets_): Likewise.
2188         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2189         references.
2190         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2191         class.
2192         (Sized_relobj_file::sized_relobj): New function
2193         (Sized_relobj_file::local_has_got_offset): Move to base class.
2194         (Sized_relobj_file::local_got_offset): Likewise.
2195         (Sized_relobj_file::set_local_got_offset): Likewise.
2196         (Sized_relobj_file::get_output_section_offset): Likewise.
2197         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2198         (Sized_relobj_file::do_output_section_offset): Likewise.
2199         (Sized_relobj_file::do_set_section_offset): Likewise.
2200         (Sized_relobj_file::Local_got_offsets): Likewise.
2201         (Sized_relobj_file::local_got_offsets_): Likewise.
2202         (Sized_relobj_file::section_offsets_): Likewise.
2203         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2204         (all constructors).
2205         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2206         (Output_reloc::get_symbol_index): Likewise.
2207         (Output_reloc::local_section_offset): Likewise.
2208         (Output_reloc::get_address): Likewise.
2209         (Output_reloc::symbol_value): Likewise.
2210         (Output_data_got::reserve_slot): Move to class definition.
2211         (Output_data_got::reserve_local): New function.
2212         (Output_data_got::reserve_slot_for_global): Remove.
2213         (Output_data_got::reserve_global): New function.
2214         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2215         (all constructors, two instantiations).
2216         (Output_reloc::get_relobj): New function (two instantiations).
2217         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2218         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2219         (Output_data_reloc::add_global): Adjust type of relobj.
2220         (Output_data_reloc::add_global_relative): Likewise.
2221         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2222         (Output_data_reloc::add_local): Likewise.
2223         (Output_data_reloc::add_local_relative): Likewise.
2224         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2225         (Output_data_reloc::add_local_section): Likewise.
2226         (Output_data_reloc::add_output_section): Likewise.
2227         (Output_data_reloc::add_absolute): Likewise.
2228         (Output_data_reloc::add_target_specific): Likewise.
2229         (Output_data_got::reserve_slot): Move definition here.
2230         (Output_data_got::reserve_local): New function.
2231         (Output_data_got::reserve_global): New function.
2232         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2233         section_offsets_ with accessor function.
2234         (Sized_relobj_file::write_sections): Likewise.
2235         (Sized_relobj_file::do_relocate_sections): Likewise.
2236         * target.h (Sized_target::reserve_local_got_entry): New function.
2237         (Sized_target::reserve_global_got_entry): New function.
2238         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2239         (Target_x86_64::reserve_global_got_entry): New function.
2240         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2241
2242 2011-05-23 Cary Coutant  <ccoutant@google.com>
2243
2244         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2245         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2246         bit when checking got_type.
2247         * incremental.cc (Sized_incremental_binary::setup_readers):
2248         Store symbol table and string table locations; initialize bit vector
2249         of file status flags.
2250         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2251         unchanged files.
2252         (Sized_incremental_binary::do_process_got_plt): New function.
2253         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2254         (Output_section_incremental_inputs::set_final_data_size): Record
2255         file index for each input file.
2256         (Output_section_incremental_inputs::write_got_plt): Store file index
2257         instead of input entry offset for each GOT entry.
2258         * incremental.h
2259         (Incremental_input_entry::Incremental_input_entry): Initialize new
2260         data member.
2261         (Incremental_input_entry::set_offset): Store file index.
2262         (Incremental_input_entry::get_file_index): New function.
2263         (Incremental_input_entry::file_index_): New data member.
2264         (Incremental_binary::process_got_plt): New function.
2265         (Incremental_binary::do_process_got_plt): New function.
2266         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2267         data members.
2268         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2269         (Sized_incremental_binary::set_file_is_unchanged): New function.
2270         (Sized_incremental_binary::file_is_unchanged): New function.
2271         (Sized_incremental_binary::do_process_got_plt): New function.
2272         (Sized_incremental_binary::file_status_): New data member.
2273         (Sized_incremental_binary::main_symtab_loc_): New data member.
2274         (Sized_incremental_binary::main_strtab_loc_): New data member.
2275         * output.cc (Output_data_got::Got_entry::write): Add case
2276         RESERVED_CODE.
2277         (Output_data_got::add_global): Call add_got_entry.
2278         (Output_data_got::add_global_plt): Likewise.
2279         (Output_data_got::add_global_with_rel): Likewise.
2280         (Output_data_got::add_global_with_rela): Likewise.
2281         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2282         (Output_data_got::add_global_pair_with_rela): Likewise.
2283         (Output_data_got::add_local): Call add_got_entry.
2284         (Output_data_got::add_local_plt): Likewise.
2285         (Output_data_got::add_local_with_rel): Likewise.
2286         (Output_data_got::add_local_with_rela): Likewise.
2287         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2288         (Output_data_got::add_local_pair_with_rela): Likewise.
2289         (Output_data_got::reserve_slot): New function.
2290         (Output_data_got::reserve_slot_for_global): New function.
2291         (Output_data_got::add_got_entry): New function.
2292         (Output_data_got::add_got_entry_pair): New function.
2293         (Output_section::add_output_section_data): Edit FIXME.
2294         * output.h
2295         (Output_section_data_build::Output_section_data_build): New
2296         constructor with size parameter.
2297         (Output_data_space::Output_data_space): Likewise.
2298         (Output_data_got::Output_data_got): Initialize new data member; new
2299         constructor with size parameter.
2300         (Output_data_got::add_constant): Call add_got_entry.
2301         (Output_data_got::reserve_slot): New function.
2302         (Output_data_got::reserve_slot_for_global): New function.
2303         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2304         (Output_data_got::add_got_entry): New function.
2305         (Output_data_got::add_got_entry_pair): New function.
2306         (Output_data_got::free_list_): New data member.
2307         * target.h (Sized_target::init_got_plt_for_update): New function.
2308         (Sized_target::register_global_plt_entry): New function.
2309         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2310         Initialize new data member; call init; add constructor with PLT count.
2311         (Output_data_plt_x86_64::init): New function.
2312         (Output_data_plt_x86_64::add_relocation): New function.
2313         (Output_data_plt_x86_64::reserve_slot): New function.
2314         (Output_data_plt_x86_64::free_list_): New data member.
2315         (Target_x86_64::init_got_plt_for_update): New function.
2316         (Target_x86_64::register_global_plt_entry): New function.
2317         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2318         incremental updates.
2319         (Output_data_plt_x86_64::add_relocation): New function.
2320         * testsuite/object_unittest.cc (Object_test): Set default options.
2321
2322 2011-05-16  Ian Lance Taylor  <iant@google.com>
2323
2324         * options.h (class General_options): Make -i a synonym for -r.
2325
2326 2011-05-16  Ian Lance Taylor  <iant@google.com>
2327
2328         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2329
2330 2011-05-10 Cary Coutant  <ccoutant@google.com>
2331
2332         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2333         strip_all (-s).
2334
2335 2011-05-06  Ian Lance Taylor  <iant@google.com>
2336
2337         * layout.cc (Layout::layout): If the output section flags change,
2338         update the ordering.
2339
2340 2011-04-25 Cary Coutant  <ccoutant@google.com>
2341
2342         * incremental-dump.cc (dump_incremental_inputs): Print local
2343         symbol info for each input file.
2344         * incremental.cc
2345         (Output_section_incremental_inputs::set_final_data_size): Add local
2346         symbol info to input file entries in incremental info.
2347         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2348         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2349         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2350         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2351         implementation.
2352         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2353         (Sized_incr_relobj::do_relocate): Write the local symbols.
2354         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2355         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2356         Adjust size of input file header.
2357         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2358         (Incremental_inputs_reader::get_local_symbol_count): New function.
2359         (Incremental_inputs_reader::get_input_section): Adjust size of input
2360         file header.
2361         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2362         (Sized_incr_relobj::This): New typedef.
2363         (Sized_incr_relobj::sym_size): New const data member.
2364         (Sized_incr_relobj::Local_symbol): New struct.
2365         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2366         (Sized_incr_relobj::do_local_symbol_offset): New function.
2367         (Sized_incr_relobj::local_symbol_count_): New data member.
2368         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2369         (Sized_incr_relobj::local_symbol_index_): New data member.
2370         (Sized_incr_relobj::local_symbol_offset_): New data member.
2371         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2372         (Sized_incr_relobj::local_symbols_): New data member.
2373         * object.h (Relobj::output_local_symbol_count): New function.
2374         (Relobj::local_symbol_offset): New function.
2375         (Relobj::do_output_local_symbol_count): New function.
2376         (Relobj::do_local_symbol_offset): New function.
2377         (Sized_relobj::do_output_local_symbol_count): New function.
2378         (Sized_relobj::do_local_symbol_offset): New function.
2379
2380 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2381
2382         * descriptors.cc (set_close_on_exec): New function.
2383         (Descriptors::open): Use set_close_on_exec.
2384         * output.cc (S_ISLNK): Define if not defined.
2385
2386 2011-04-22 Cary Coutant  <ccoutant@google.com>
2387
2388         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2389         global symbol map.
2390         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2391         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2392         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2393         relocations.
2394         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2395         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2396         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2397         * incremental.h
2398         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2399         function.
2400         (Incremental_binary::apply_incremental_relocs): New function.
2401         (Incremental_binary::do_apply_incremental_relocs): New function.
2402         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2403         data member.
2404         (Sized_incremental_binary::add_global_symbol): New function.
2405         (Sized_incremental_binary::global_symbol): New function.
2406         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2407         (Sized_incremental_binary::symbol_map_): New data member.
2408         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2409         * target.h (Sized_target::apply_relocation): New function.
2410         * target-reloc.h (apply_relocation): New function.
2411         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2412
2413 2011-04-22  Doug Kwan  <dougkwan@google.com>
2414
2415         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2416         flag of a SHT_ARM_EXIDX section.
2417         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2418         * testsuite/Makefile.in: Regenerate.
2419         * testsuite/arm_exidx_test.s: New file.
2420         * testsuite/arm_exidx_test.sh: Same.
2421
2422 2011-04-20 Cary Coutant  <ccoutant@google.com>
2423
2424         PR gold/12689
2425         * archive.h (Incremental_archive_entry::Archive_member):
2426         Initialize arg_serial_ (second constructor).
2427
2428 2011-04-17  Ian Lance Taylor  <iant@google.com>
2429
2430         * object.cc (Relocate_info::location): Simplify location string.
2431         * errors.cc (Errors::error_at_location): Don't print program
2432         name.
2433         (Errors::warning_at_location): Likewise.
2434         (Errors::undefined_symbol): Likewise.
2435         * testsuite/debug_msg.sh: Update accordingly.
2436
2437 2011-04-14 Cary Coutant  <ccoutant@google.com>
2438
2439         * gold/layout.cc (Layout::symtab_section_offset): New function.
2440         * gold/layout.h (Layout::symtab_section_offset): New function.
2441         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2442
2443 2011-04-12  Ian Lance Taylor  <iant@google.com>
2444
2445         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2446         with MREMAP_MAYMOVE.
2447         * output.h (class Output_file): Add map_is_allocated_ field.
2448         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2449         not available, provide stubs.  If mremap is not available, #define
2450         it to gold_mremap.
2451         (MREMAP_MAYMOVE): Define if not defined.
2452         (Output_file::Output_file): Initialize map_is_allocated_.
2453         (Output_file::resize): Check map_is_allocated_.
2454         (Output_file::map_anonymous): If mmap fails, use malloc.
2455         (Output_file::unmap): Don't do anything for an anonymous map.
2456         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2457         is not available, provide stubs.
2458         (File_read::View::~View): Use free rather than delete[].
2459         (File_read::make_view): Use malloc rather than new[].  If mmap
2460         fails, use malloc.
2461         (File_read::find_or_make_view): Use malloc rather than new[].
2462         * gold.h: Remove HAVE_REMAP code.
2463         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2464         exists.  Rename mremap to gold_mremap.  If mmap is not available
2465         don't do anything.
2466         * configure, config.in: Rebuild.
2467
2468 2011-04-11  Ian Lance Taylor  <iant@google.com>
2469
2470         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2471         initialize local variable v.
2472
2473 2011-04-11  Cary Coutant  <ccoutant@google.com>
2474
2475         * archive.cc (Archive::include_member): Adjust call to
2476         report_object.
2477         (Add_archive_symbols::run): Track argument serial numbers.
2478         (Lib_group::include_member): Likewise.
2479         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2480         * archive.h (Incremental_archive_entry::Archive_member):
2481         Initialize arg_serial_.
2482         (Archive_member::arg_serial_): New data member.
2483         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2484         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2485         incremental link.
2486         (Sized_dynobj::do_for_all_local_got_entries): New function.
2487         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2488         function.
2489         * fileread.cc (get_mtime): New function.
2490         * fileread.h (get_mtime): New function.
2491         * gold.cc (queue_initial_tasks): Check for incremental update.
2492         (process_incremental_input): New function.
2493         (queue_middle_tasks): Don't force valid target for incremental
2494         update.
2495         * incremental-dump.cc (find_input_containing_global): Adjust
2496         size of symbol info entry.
2497         (dump_incremental_inputs): Dump argument serial number and
2498         in_system_directory flag; bias shndx by 1; print symbol names
2499         when dumping per-file symbol lists; use new symbol info readers.
2500         * incremental.cc
2501         (Output_section_incremental_inputs:update_data_size): New function.
2502         (Sized_incremental_binary::setup_readers): Setup input readers
2503         for each input file; build maps for files added from libraries
2504         and scripts.
2505         (Sized_incremental_binary::check_input_args): New function.
2506         (Sized_incremental_binary::do_check_inputs): Build map of argument
2507         serial numbers to input arguments.
2508         (Sized_incremental_binary::do_file_has_changed): Rename
2509         do_file_is_unchanged to this; compare file modification times.
2510         (Sized_incremental_binary::do_init_layout): New function.
2511         (Sized_incremental_binary::do_reserve_layout): New function.
2512         (Sized_incremental_binary::do_get_input_reader): Remove.
2513         (Sized_incremental_binary::get_symtab_view): New function.
2514         (Incremental_checker::can_incrementally_link_output_file): Remove.
2515         (Incremental_inputs::report_command_line): Exclude --debug options.
2516         (Incremental_inputs::report_archive_begin): Add parameter; track
2517         argument serial numbers; don't put input file entry for archive
2518         before archive members.
2519         (Incremental_inputs::report_archive_end): Put input file entry
2520         for archive after archive members.
2521         (Incremental_inputs::report_object): Add parameter; track argument
2522         serial numbers and in_system_directory flag.
2523         (Incremental_inputs::report_script): Add parameter; track argument
2524         serial numbers.
2525         (Output_section_incremental_inputs::set_final_data_size): Adjust
2526         size of symbol info entry; check for forwarding symbols.
2527         (Output_section_incremental_inputs::write_input_files): Write
2528         in_system_directory flag and argument serial number.
2529         (Output_section_incremental_inputs::write_info_blocks): Map section
2530         indices between incremental info and original input file; store
2531         input section index for each symbol.
2532         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2533         change operator() to visit().
2534         (class Global_got_offset_visitor): Likewise.
2535         (class Global_symbol_visitor_got_plt):
2536         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2537         classes.
2538         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2539         (Sized_incr_relobj::do_read_symbols): New function.
2540         (Sized_incr_relobj::do_layout): New function.
2541         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2542         (Sized_incr_relobj::do_add_symbols): New function.
2543         (Sized_incr_relobj::do_should_include_member): New function.
2544         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2545         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2546         (Sized_incr_relobj::do_section_size): New function.
2547         (Sized_incr_relobj::do_section_name): New function.
2548         (Sized_incr_relobj::do_section_contents): New function.
2549         (Sized_incr_relobj::do_section_flags): New function.
2550         (Sized_incr_relobj::do_section_entsize): New function.
2551         (Sized_incr_relobj::do_section_address): New function.
2552         (Sized_incr_relobj::do_section_type): New function.
2553         (Sized_incr_relobj::do_section_link): New function.
2554         (Sized_incr_relobj::do_section_info): New function.
2555         (Sized_incr_relobj::do_section_addralign): New function.
2556         (Sized_incr_relobj::do_initialize_xindex): New function.
2557         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2558         (Sized_incr_relobj::do_read_relocs): New function.
2559         (Sized_incr_relobj::do_gc_process_relocs): New function.
2560         (Sized_incr_relobj::do_scan_relocs): New function.
2561         (Sized_incr_relobj::do_count_local_symbols): New function.
2562         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2563         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2564         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2565         (Sized_incr_relobj::do_relocate): New function.
2566         (Sized_incr_relobj::do_set_section_offset): New function.
2567         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2568         (Sized_incr_dynobj::do_read_symbols): New function.
2569         (Sized_incr_dynobj::do_layout): New function.
2570         (Sized_incr_dynobj::do_add_symbols): New function.
2571         (Sized_incr_dynobj::do_should_include_member): New function.
2572         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2573         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2574         (Sized_incr_dynobj::do_section_size): New function.
2575         (Sized_incr_dynobj::do_section_name): New function.
2576         (Sized_incr_dynobj::do_section_contents): New function.
2577         (Sized_incr_dynobj::do_section_flags): New function.
2578         (Sized_incr_dynobj::do_section_entsize): New function.
2579         (Sized_incr_dynobj::do_section_address): New function.
2580         (Sized_incr_dynobj::do_section_type): New function.
2581         (Sized_incr_dynobj::do_section_link): New function.
2582         (Sized_incr_dynobj::do_section_info): New function.
2583         (Sized_incr_dynobj::do_section_addralign): New function.
2584         (Sized_incr_dynobj::do_initialize_xindex): New function.
2585         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2586         (make_sized_incremental_object): New function.
2587         (Incremental_library::copy_unused_symbols): New function.
2588         (Incremental_library::do_for_all_unused_symbols): New function.
2589         * incremental.h (enum Incremental_input_flags): New type.
2590         (class Incremental_checker): Remove.
2591         (Incremental_input_entry::Incremental_input_entry): Add argument
2592         serial number.
2593         (Incremental_input_entry::arg_serial): New function.
2594         (Incremental_input_entry::set_is_in_system_directory): New function.
2595         (Incremental_input_entry::is_in_system_directory): New function.
2596         (Incremental_input_entry::arg_serial_): New data member.
2597         (Incremental_input_entry::is_in_system_directory_): New data member.
2598         (class Script_info): Move here from script.h.
2599         (Script_info::Script_info): Add filename parameter.
2600         (Script_info::filename): New function.
2601         (Script_info::filename_): New data member.
2602         (Incremental_script_entry::Incremental_script_entry): Add argument
2603         serial number.
2604         (Incremental_object_entry::Incremental_object_entry): Likewise.
2605         (Incremental_object_entry::add_input_section): Build list of input
2606         sections with map to original shndx.
2607         (Incremental_object_entry::get_input_section_index): New function.
2608         (Incremental_object_entry::shndx_): New data member.
2609         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2610         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2611         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2612         serial number.
2613         (Incremental_inputs::report_archive_begin): Likewise.
2614         (Incremental_inputs::report_object): Likewise.
2615         (Incremental_inputs::report_script): Likewise.
2616         (class Incremental_global_symbol_reader): New class.
2617         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2618         and store flags and input file type.
2619         (Incremental_input_entry_reader::arg_serial): New function.
2620         (Incremental_input_entry_reader::type): Extract type from flags.
2621         (Incremental_input_entry_reader::is_in_system_directory): New function.
2622         (Incremental_input_entry_reader::get_input_section_count): Call
2623         accessor function for type.
2624         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2625         function for type; adjust size of global symbol entry.
2626         (Incremental_input_entry_reader::get_global_symbol_count): Call
2627         accessor function for type.
2628         (Incremental_input_entry_reader::get_object_count): Likewise.
2629         (Incremental_input_entry_reader::get_object_offset): Likewise.
2630         (Incremental_input_entry_reader::get_member_count): Likewise.
2631         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2632         (Incremental_input_entry_reader::get_member_offset): Likewise.
2633         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2634         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2635         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2636         (Incremental_input_entry_reader::get_global_symbol_reader): New
2637         function.
2638         (Incremental_input_entry_reader::get_output_symbol_index): New
2639         function.
2640         (Incremental_input_entry_reader::type_): Remove.
2641         (Incremental_input_entry_reader::flags_): New data member.
2642         (Incremental_inputs_reader::input_file_offset): New function.
2643         (Incremental_inputs_reader::input_file_index): New function.
2644         (Incremental_inputs_reader::input_file): Call input_file_offset.
2645         (Incremental_inputs_reader::input_file_at_offset): New function.
2646         (Incremental_relocs_reader::get_r_type): Reformat.
2647         (Incremental_relocs_reader::get_r_shndx): Reformat.
2648         (Incremental_relocs_reader::get_r_offset): Reformat.
2649         (Incremental_relocs_reader::data): New function.
2650         (Incremental_binary::Incremental_binary): Initialize new data members.
2651         (Incremental_binary::check_inputs): Add cmdline parameter.
2652         (Incremental_binary::file_is_unchanged): Remove.
2653         (Input_reader::arg_serial): New function.
2654         (Input_reader::get_unused_symbol_count): New function.
2655         (Input_reader::get_unused_symbol): New function.
2656         (Input_reader::do_arg_serial): New function.
2657         (Input_reader::do_get_unused_symbol_count): New function.
2658         (Input_reader::do_get_unused_symbol): New function.
2659         (Incremental_binary::input_file_count): New function.
2660         (Incremental_binary::get_input_reader): Change signature to use
2661         index instead of filename.
2662         (Incremental_binary::file_has_changed): New function.
2663         (Incremental_binary::get_input_argument): New function.
2664         (Incremental_binary::get_library): New function.
2665         (Incremental_binary::get_script_info): New function.
2666         (Incremental_binary::init_layout): New function.
2667         (Incremental_binary::reserve_layout): New function.
2668         (Incremental_binary::output_file): New function.
2669         (Incremental_binary::do_check_inputs): New function.
2670         (Incremental_binary::do_file_is_unchanged): Remove.
2671         (Incremental_binary::do_file_has_changed): New function.
2672         (Incremental_binary::do_init_layout): New function.
2673         (Incremental_binary::do_reserve_layout): New function.
2674         (Incremental_binary::do_input_file_count): New function.
2675         (Incremental_binary::do_get_input_reader): Change signature.
2676         (Incremental_binary::input_args_map_): New data member.
2677         (Incremental_binary::library_map_): New data member.
2678         (Incremental_binary::script_map_): New data member.
2679         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2680         new data members.
2681         (Sized_incremental_binary::output_section): New function.
2682         (Sized_incremental_binary::inputs_reader): Add const.
2683         (Sized_incremental_binary::symtab_reader): Add const.
2684         (Sized_incremental_binary::relocs_reader): Add const.
2685         (Sized_incremental_binary::got_plt_reader): Add const.
2686         (Sized_incremental_binary::get_symtab_view): New function.
2687         (Sized_incremental_binary::Inputs_reader): New typedef.
2688         (Sized_incremental_binary::Input_entry_reader): New typedef.
2689         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2690         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2691         (Sized_incremental_binary::do_file_has_changed): New function.
2692         (Sized_incremental_binary::do_init_layout): New function.
2693         (Sized_incremental_binary::do_reserve_layout): New function.
2694         (Sized_input_reader::Inputs_reader): Remove.
2695         (Sized_input_reader::Input_entry_reader): Remove.
2696         (Sized_input_reader::do_arg_serial): New function.
2697         (Sized_input_reader::do_get_unused_symbol_count): New function.
2698         (Sized_input_reader::do_get_unused_symbol): New function.
2699         (Sized_incremental_binary::do_input_file_count): New function.
2700         (Sized_incremental_binary::do_get_input_reader): Change signature;
2701         use index instead of filename.
2702         (Sized_incremental_binary::section_map_): New data member.
2703         (Sized_incremental_binary::input_entry_readers_): New data member.
2704         (class Sized_incr_relobj): New class.
2705         (class Sized_incr_dynobj): New class.
2706         (make_sized_incremental_object): New function.
2707         (class Incremental_library): New class.
2708         * layout.cc (Free_list::num_lists): New static data member.
2709         (Free_list::num_nodes): New static data member.
2710         (Free_list::num_removes): New static data member.
2711         (Free_list::num_remove_visits): New static data member.
2712         (Free_list::num_allocates): New static data member.
2713         (Free_list::num_allocate_visits): New static data member.
2714         (Free_list::init): New function.
2715         (Free_list::remove): New function.
2716         (Free_list::allocate): New function.
2717         (Free_list::dump): New function.
2718         (Free_list::print_stats): New function.
2719         (Layout_task_runner::run): Resize output file for incremental updates.
2720         (Layout::Layout): Initialize new data members.
2721         (Layout::set_incremental_base): New function.
2722         (Layout::init_fixed_output_section): New function.
2723         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2724         incremental updates.
2725         (Layout::create_gold_note): Do not create gold note section for
2726         incremental updates.
2727         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2728         for incremental updates.
2729         (Layout::set_section_offsets): For incremental updates, allocate space
2730         from free list.
2731         (Layout::create_symtab_sections): Layout with offsets relative to
2732         start of section; for incremental updates, allocate space from free
2733         list.
2734         (Layout::create_shdrs): For incremental updates, allocate space from
2735         free list.
2736         (Layout::finish_dynamic_section): For incremental updates, do not
2737         check --as-needed (fixed in subsequent patch).
2738         * layout.h (class Free_list): New class.
2739         (Layout::set_incremental_base): New function.
2740         (Layout::incremental_base): New function.
2741         (Layout::init_fixed_output_section): New function.
2742         (Layout::allocate): New function.
2743         (Layout::incremental_base_): New data member.
2744         (Layout::free_list_): New data member.
2745         * main.cc (main): Print Free_list statistics.
2746         * object.cc (Relobj::finalize_incremental_relocs): Add
2747         clear_counts parameter; clear counts only when clear_counts is set.
2748         (Sized_relobj::Sized_relobj): Initialize new base class.
2749         (Sized_relobj::do_layout): Don't report special sections.
2750         (Sized_relobj::do_for_all_local_got_entries): New function.
2751         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2752         symtab_off to all symbol table offsets.
2753         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2754         * object.h (class Got_offset_list): Move to top of file.
2755         (Object::Object): Allow case where input_file == NULL.
2756         (Object::~Object): Likewise.
2757         (Object::input_file): Assert that input_file != NULL.
2758         (Object::lock): Allow case where input_file == NULL.
2759         (Object::unlock): Likewise.
2760         (Object::is_locked): Likewise.
2761         (Object::token): Likewise.
2762         (Object::release): Likewise.
2763         (Object::is_incremental): New function.
2764         (Object::get_mtime): New function.
2765         (Object::for_all_local_got_entries): New function.
2766         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2767         (Object::set_is_in_system_directory): New function.
2768         (Object::is_in_system_directory): New function.
2769         (Object::do_is_incremental): New function.
2770         (Object::do_get_mtime): New function.
2771         (Object::do_for_all_local_got_entries): New function.
2772         (Object::is_in_system_directory_): New data member.
2773         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2774         (class Sized_relobj_base): New class.
2775         (class Sized_relobj): Derive from Sized_relobj_base.
2776         (class Sized_relobj::Symbols): Redeclare from base class.
2777         (class Sized_relobj::local_got_offset_list): Remove.
2778         (class Sized_relobj::Output_sections): Redeclare from base class.
2779         (class Sized_relobj::do_for_all_local_got_entries): New function.
2780         (class Sized_relobj::write_local_symbols): Add offset parameter.
2781         (class Sized_relobj::local_symbol_offset_): Update comment.
2782         (class Sized_relobj::local_dynsym_offset_): Update comment.
2783         * options.cc (Input_arguments::add_file): Remove const.
2784         * options.h (Input_file_argument::Input_file_argument):
2785         Initialize arg_serial_ (all constructors).
2786         (Input_file_argument::set_arg_serial): New function.
2787         (Input_file_argument::arg_serial): New function.
2788         (Input_file_argument::arg_serial_): New data member.
2789         (Input_arguments::Input_arguments): Initialize file_count_.
2790         (Input_arguments::add_file): Remove const.
2791         (Input_arguments::number_of_input_files): New function.
2792         (Input_arguments::file_count_): New data member.
2793         (Command_line::number_of_input_files): Call
2794         Input_arguments::number_of_input_files.
2795         * output.cc (Output_segment_headers::Output_segment_headers):
2796         Set current size.
2797         (Output_section::Input_section::current_data_size): New function.
2798         (Output_section::Output_section): Initialize new data members.
2799         (Output_section::add_input_section): Don't do merge sections for
2800         an incremental link; allocate space from free list for an
2801         incremental update.
2802         (Output_section::add_output_section_data): Allocate space from
2803         free list for an incremental update.
2804         (Output_section::update_data_size): New function.
2805         (Output_section::set_fixed_layout): New function.
2806         (Output_section::reserve): New function.
2807         (Output_segment::set_section_addresses): Remove const.
2808         (Output_segment::set_section_list_addresses): Remove const; allocate
2809         space from free list for an incremental update.
2810         (Output_segment::set_offset): Adjust size of RELRO segment for an
2811         incremental update.
2812         * output.h (Output_data::current_data_size): Move here from
2813         child classes.
2814         (Output_data::pre_finalize_data_size): New function.
2815         (Output_data::update_data_size): New function.
2816         (Output_section_headers::update_data_size): new function.
2817         (Output_section_data_build::current_data_size): Move to Output_data.
2818         (Output_data_strtab::update_data_size): New function.
2819         (Output_section::current_data_size): Move to Output_data.
2820         (Output_section::set_fixed_layout): New function.
2821         (Output_section::has_fixed_layout): New function.
2822         (Output_section::reserve): New function.
2823         (Output_section::update_data_size): New function.
2824         (Output_section::has_fixed_layout_): New data member.
2825         (Output_section::free_list_): New data member.
2826         (Output_segment::set_section_addresses): Remove const.
2827         (Output_segment::set_section_list_addresses): Remove const.
2828         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2829         New function.
2830         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2831         New function.
2832         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2833         parameter when calling Add_symbols constructor; store argument
2834         serial number for members of a lib group.
2835         (Add_symbols::locks): Allow case where token == NULL.
2836         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2837         (Read_member::~Read_member): New function.
2838         (Read_member::is_runnable): New function.
2839         (Read_member::locks): New function.
2840         (Read_member::run): New function.
2841         (Check_script::~Check_script): New function.
2842         (Check_script::is_runnable): New function.
2843         (Check_script::locks): New function.
2844         (Check_script::run): New function.
2845         (Check_library::~Check_library): New function.
2846         (Check_library::is_runnable): New function.
2847         (Check_library::locks): New function.
2848         (Check_library::run): New function.
2849         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2850         (Add_symbols::library_): New data member.
2851         (class Read_member): New class.
2852         (class Check_script): New class.
2853         (class Check_library): New class.
2854         * reloc.cc (Read_relocs::is_runnable): Allow case where
2855         token == NULL.
2856         (Read_relocs::locks): Likewise.
2857         (Scan_relocs::locks): Likewise.
2858         (Relocate_task::locks): Likewise.
2859         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2860         to clear counters.
2861         (Sized_relobj::incremental_relocs_scan): Fix comment.
2862         (Sized_relobj::do_relocate): Pass output file offset to
2863         write_local_symbols.
2864         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2865         from class declaration.
2866         * script.cc (read_input_script): Allocate Script_info; pass
2867         argument serial number to report_script.
2868         * script.h (class Script_info): Move to incremental.h.
2869         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2870         * symtab.h (Symbol_table::add_from_incrobj): New function.
2871         (Symbol_table::set_file_offset): New function.
2872
2873 2011-04-05  Cary Coutant  <ccoutant@google.com>
2874
2875         * incremental-dump.cc (dump_incremental_inputs): Change signature
2876         to take a Sized_incremental_binary; change caller.  Use readers
2877         in Sized_incremental_binary.
2878         * incremental.cc
2879         (Sized_incremental_binary::find_incremental_inputs_sections):
2880         Rename do_find_incremental_inputs_sections to this.
2881         (Sized_incremental_binary::setup_readers): New function.
2882         (Sized_incremental_binary::do_check_inputs): Check
2883         has_incremental_info_ flag; move setup code to setup_readers;
2884         use input readers.
2885         (Sized_incremental_binary::do_file_is_unchanged): New function.
2886         (Sized_incremental_binary::do_get_input_reader): New function.
2887         * incremental.h (class Incremental_binary): Move to end of file.
2888         (Incremental_binary::file_is_unchanged): New function.
2889         (Incremental_binary::do_file_is_unchanged): New function.
2890         (Incremental_binary::Input_reader): New class.
2891         (Incremental_binary::get_input_reader): New function.
2892         (class Sized_incremental_binary): Move to end of file.
2893         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2894         input section reader classes.
2895         (Sized_incremental_binary::has_incremental_info): New function.
2896         (Sized_incremental_binary::inputs_reader): New function.
2897         (Sized_incremental_binary::symtab_reader): New function.
2898         (Sized_incremental_binary::relocs_reader): New function.
2899         (Sized_incremental_binary::got_plt_reader): New function.
2900         (Sized_incremental_binary::do_file_is_unchanged): New function.
2901         (Sized_incremental_binary::Sized_input_reader): New class.
2902         (Sized_incremental_binary::get_input_reader): New function.
2903         (Sized_incremental_binary::find_incremental_inputs_sections):
2904         Rename do_find_incremental_inputs_sections to this.
2905         (Sized_incremental_binary::setup_readers): New function.
2906         (Sized_incremental_binary::has_incremental_info_): New data member.
2907         (Sized_incremental_binary::inputs_reader_): New data member.
2908         (Sized_incremental_binary::symtab_reader_): New data member.
2909         (Sized_incremental_binary::relocs_reader_): New data member.
2910         (Sized_incremental_binary::got_plt_reader_): New data member.
2911         (Sized_incremental_binary::current_input_file_): New data member.
2912
2913 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2914
2915         PR gold/12640
2916         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2917         violation.
2918
2919 2011-03-30  Cary Coutant  <ccoutant@google.com>
2920
2921         * archive.cc (Archive::include_member): Adjust call to report_object.
2922         (Add_archive_symbols::run): Add script_info to call to
2923         report_archive_begin.
2924         (Lib_group::include_member): Adjust call to report_object.
2925         (Add_lib_group_symbols::run): Adjust call to report_object.
2926         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2927         blocks.  Add object count for script input files.
2928         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2929         script_info parameter; change all callers.
2930         (Incremental_inputs::report_object): Add script_info parameter;
2931         change all callers.
2932         (Incremental_inputs::report_script): Store backpointer to
2933         incremental info entry.
2934         (Output_section_incremental_inputs::set_final_data_size): Record
2935         additional information for scripts.
2936         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2937         * incremental.h (Incremental_script_entry::add_object): New function.
2938         (Incremental_script_entry::get_object_count): New function.
2939         (Incremental_script_entry::get_object): New function.
2940         (Incremental_script_entry::objects_): New data member; adjust
2941         constructor.
2942         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2943         (Incremental_inputs::report_object): Add script_info parameter.
2944         (Incremental_inputs_reader::get_object_count): New function.
2945         (Incremental_inputs_reader::get_object_offset): New function.
2946         * options.cc (Input_arguments::add_file): Return reference to
2947         new input argument.
2948         * options.h (Input_argument::set_script_info): New function.
2949         (Input_argument::script_info): New function.
2950         (Input_argument::script_info_): New data member; adjust all
2951         constructors.
2952         (Input_file_group::add_file): Return reference to new input argument.
2953         (Input_file_lib::add_file): Likewise.
2954         (Input_arguments::add_file): Likewise.
2955         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2956         * script.cc (Parser_closure::Parser_closure): Add script_info
2957         parameter; adjust all callers.
2958         (Parser_closure::script_info): New function.
2959         (Parser_closure::script_info_): New data member.
2960         (read_input_script): Report scripts earlier to incremental info.
2961         (script_add_file): Set script_info in Input_argument.
2962         (script_add_library): Likewise.
2963         * script.h (Script_options::Script_info): Rewrite class.
2964
2965 2011-03-29  Cary Coutant  <ccoutant@google.com>
2966
2967         * archive.cc (Library_base::should_include_member): Move
2968         method here from class Archive.
2969         (Archive::Archive): Initialize base class.
2970         (Archive::should_include_member): Move to base class.
2971         (Archive::do_for_all_unused_symbols): New function.
2972         (Add_archive_symbols::run): Remove redundant access to
2973         incremental_inputs.
2974         (Lib_group::Lib_group): Initialize base class.
2975         (Lib_group::do_filename): New function.
2976         (Lib_group::include_member): Pass pointer to Lib_group to
2977         report_object.
2978         (Lib_group::do_for_all_unused_symbols): New function.
2979         (Add_lib_group_symbols::run): Report archive information for
2980         incremental links.
2981         * archive.h (class Library_base): New base class.
2982         (class Archive): Derive from Library_base.
2983         (Archive::filename): Move to base class.
2984         (Archive::set_incremental_info): Likewise.
2985         (Archive::incremental_info): Likewise.
2986         (Archive::Should_include): Likewise.
2987         (Archive::should_include_member): Likewise.
2988         (Archive::Armap_entry): Remove.
2989         (Archive::Unused_symbol_iterator): Remove.
2990         (Archive::unused_symbols_begin): Remove.
2991         (Archive::unused_symbols_end): Remove.
2992         (Archive::do_filename): New function.
2993         (Archive::do_get_mtime): New function.
2994         (Archive::do_for_all_unused_symbols): New function.
2995         (Archive::task_): Move to base class.
2996         (Archive::incremental_info_): Likewise.
2997         (class Lib_group): Derive from Library_base.
2998         (Lib_group::do_filename): New function.
2999         (Lib_group::do_get_mtime): New function.
3000         (Lib_group::do_for_all_unused_symbols): New function.
3001         (Lib_group::task_): Move to base class.
3002         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3003         function.
3004         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3005         function.
3006         * incremental.cc (Incremental_inputs::report_archive_begin):
3007         Use Library_base; call library's get_mtime; add incremental inputs
3008         entry before members.
3009         (class Unused_symbol_visitor): New class.
3010         (Incremental_inputs::report_archive_end): Use Library_base; use
3011         visitor class to record unused symbols; don't add incremental inputs
3012         entry after members.
3013         (Incremental_inputs::report_object): Use Library_base.
3014         * incremental.h
3015         (Incremental_archive_entry::Incremental_archive_entry): Remove
3016         unused Archive parameter.
3017         (Incremental_inputs::report_archive_begin): Use Library_base.
3018         (Incremental_inputs::report_archive_end): Likewise.
3019         (Incremental_inputs::report_object): Likewise.
3020         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3021         function.
3022         * object.h (Object::for_all_global_symbols): New function.
3023         (Object::do_for_all_global_symbols): New function.
3024         (Sized_relobj::do_for_all_global_symbols): New function.
3025         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3026         function.
3027         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3028         function.
3029
3030 2011-03-27  Ian Lance Taylor  <iant@google.com>
3031
3032         * archive.cc (Archive::interpret_header): Return -1 if something
3033         goes wrong.  Change callers accordingly.
3034
3035 2011-03-25  Cary Coutant  <ccoutant@google.com>
3036
3037         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3038         * testsuite/Makefile.in: Regenerate.
3039
3040 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3041
3042         * plugin.cc (get_view): New.
3043         (Plugin::load): Pass get_view to the plugin.
3044         (Plugin_manager::get_view): New.
3045
3046 2011-03-21  Ian Lance Taylor  <iant@google.com>
3047
3048         * testsuite/final_layout.sh: Rewrite to not use dc.
3049         * testsuite/relro_test.sh: Fail if dc is not present.
3050
3051 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3052
3053         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3054         Change == to -eq.
3055         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3056         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3057         Change == to -eq.
3058         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3059         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3060
3061 2011-03-14  Ian Lance Taylor  <iant@google.com>
3062
3063         * script-sections.cc (Sort_output_sections::script_compare):
3064         Rename from is_before, change return type.
3065         (Sort_output_sections::operator()): Adjust accordingly.
3066
3067 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3068
3069         PR gold/12572
3070         * testsuite/odr_violation2.cc: Add comment to make all error line
3071         numbers double digits.
3072         * testsuite/debug_msg.sh: Adjust expected errors.
3073
3074 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3075
3076         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3077         but mark earlier ones as non-canonical
3078         (offset_to_iterator): Update search target and example
3079         (do_addr2line): Return extra lines in a vector*
3080         (format_file_lineno): Extract from do_addr2line
3081         (one_addr2line): Add vector* out-param
3082         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3083         when a lineno entry appeared last for its instruction
3084         (Dwarf_line_info): Add vector* out-param
3085         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3086         * symtab.cc (Odr_violation_compare): Include the lineno in the
3087         comparison again.
3088         (linenos_from_loc): New. Combine the canonical line for an
3089         address with its other lines.
3090         (True_if_intersect): New. Helper functor to make
3091         std::set_intersection a query.
3092         (detect_odr_violations): Compare sets of lines instead of just
3093         one line for each function. This became less deterministic, but
3094         has fewer false positives.
3095         * symtab.h: Declarations.
3096         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3097         mix an optimized and non-optimized object in the same binary
3098         (odr_violation2.so): Same.
3099         * testsuite/Makefile.in: Regenerate from Makefile.am.
3100         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3101         * testsuite/debug_msg.sh: Update line numbers and add
3102         assertions.
3103         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3104         non-optimized context.
3105         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3106         isn't inlined, and use OdrDerived in an optimized context.
3107         * testsuite/odr_header1.h: Defines OdrDerived, where
3108         optimization will change the
3109         first-instruction-in-the-destructor's file and line number.
3110         * testsuite/odr_header2.h: Defines OdrBase.
3111
3112 2011-03-09  Ian Lance Taylor  <iant@google.com>
3113
3114         * fileread.cc (File_read::clear_views): Don't delete the whole
3115         file view.
3116
3117 2011-03-08  Ian Lance Taylor  <iant@google.com>
3118
3119         PR gold/12525
3120         * fileread.cc: #include <climits>.
3121         (GOLD_IOV_MAX): Define.
3122         (File_read::read_multiple): Limit number of entries by iov_max.
3123         * fileread.h (class File_read): Always set max_readv_entries to
3124         128.
3125
3126 2011-03-07  Ian Lance Taylor  <iant@google.com>
3127
3128         PR gold/12525
3129         * options.h (class General_options): Add -dy and -dn.
3130
3131 2011-03-02  Cary Coutant  <ccoutant@google.com>
3132
3133         * testsuite/script_test_9.t: Add TLS segment.
3134
3135 2011-03-02  Simon Baldwin  <simonb@google.com>
3136
3137         * configure.ac: Add check for gnu_indirect_function support in
3138         the toolchain building binutils.
3139         * configure: Rebuild.
3140
3141 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3142
3143         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3144         plugin only symbols.
3145         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3146         in plugin files as not needed in the symbol table.
3147
3148 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3149
3150         * output.cc (Output_section::add_input_section): Delay fill
3151         generation for section ordering.
3152
3153 2011-02-09  Ian Lance Taylor  <iant@google.com>
3154
3155         PR gold/12316
3156         * object.h (class Sized_relobj): Remove clear_local_symbols.
3157         * reloc.cc (Sized_relobj::do_relocate): Don't call
3158         clear_local_symbols.
3159
3160 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3161
3162         * plugin.cc (is_visible_from_outside): Return true for symbols
3163         in the -u option.
3164
3165 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3166
3167         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3168         filename.
3169
3170 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3171
3172         * icf.h (is_section_foldable_candidate): Change type of parameter
3173         to std::string.
3174         * icf.cc (Icf::find_identical_sections): Change type of local variable
3175         section_name to be std::string.
3176         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3177
3178 2011-01-25  Ian Lance Taylor  <iant@google.com>
3179
3180         * script.cc (script_add_extern): Rewrite to use
3181         add_symbol_reference.
3182
3183 2011-01-25  Doug Kwan  <dougkwan@google.com>
3184
3185         * icf.cc (get_section_contents): Always lock section's object.
3186
3187 2011-01-24  Ian Lance Taylor  <iant@google.com>
3188
3189         * options.h (class General_options): Accept
3190         --no-detect-odr-violations.
3191
3192 2011-01-24  Ian Lance Taylor  <iant@google.com>
3193
3194         * version.cc (version_string): Bump to 1.11.
3195
3196 2011-01-24  Ian Lance Taylor  <iant@google.com>
3197
3198         * plugin.cc (class Plugin_rescan): Define new class.
3199         (Plugin_manager::claim_file): Set any_claimed_.
3200         (Plugin_manager::save_archive): New function.
3201         (Plugin_manager::save_input_group): New function.
3202         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3203         necessary.
3204         (Plugin_manager::new_undefined_symbol): New function.
3205         (Plugin_manager::rescan): New function.
3206         (Plugin_manager::rescannable_defines): New function.
3207         (Plugin_manager::add_input_file): Set any_added_.
3208         * plugin.h (class Plugin_manager): define new fields rescannable_,
3209         undefined_symbols_, any_claimed_, and any_added_.  Declare
3210         Plugin_rescan as friend.  Declare new functions.
3211         (Plugin_manager::Rescannable): Define type.
3212         (Plugin_manager::Rescannable_list): Define type.
3213         (Plugin_manager::Undefined_symbol_list): Define type.
3214         (Plugin_manager::Plugin_manager): Initialize new fields.
3215         * archive.cc (Archive::defines_symbol): New function.
3216         (Add_archive_symbols::run): Pass archive to plugins if any.
3217         * archive.h (class Archive): Declare defines_symbol.
3218         * readsyms.cc (Input_group::~Input_group): New function.
3219         (Finish_group::run): Pass input_group to plugins if any.
3220         * readsyms.h (class Input_group): Declare destructor.
3221         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3222         any.
3223
3224 2011-01-10  Ian Lance Taylor  <iant@google.com>
3225
3226         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3227         section as relro.
3228         (Layout::set_segment_offsets): Reset increase_relro before calling
3229         set_section_addresses a second time.
3230
3231 2011-01-04  Cary Coutant  <ccoutant@google.com>
3232
3233         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3234         sections before NOBITS sections.
3235
3236 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3237
3238         * version.cc (print_version): Update copyright to 2011.
3239
3240 2010-12-23  Cary Coutant  <ccoutant@google.com>
3241
3242         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3243         of OS to this->add.  Add OD parameter to second form of the function.
3244
3245 2010-12-20  Ian Lance Taylor  <iant@google.com>
3246
3247         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3248         second of two consecutive entries with same offset.
3249
3250 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3251
3252         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3253         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3254         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3255         to avoid unneeded links against $(LDADD).
3256         * testsuite/Makefile.in: Regenerate.
3257
3258 2010-12-15  Ian Lance Taylor  <iant@google.com>
3259
3260         PR gold/12324
3261         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3262         for R_X86_64_32 and R_X86_64_PC32.
3263         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3264         ver_matching_def_pic.o.
3265         (ver_matching_def_pic.o): New target.
3266
3267 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3268
3269         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3270         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3271         Move definition before File_read::View member definitions.
3272         (File_read::View::~View): Initialize and hold lock before
3273         updating current_mapped_bytes.
3274
3275 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3276
3277         * dwarf_reader.cc: Remove outdated comment.
3278         * gold-threads.cc: Fix typo in error message.
3279         * archive.cc: Fix typos in comments.
3280         * archive.h: Likewise.
3281         * arm-reloc-property.cc: Likewise.
3282         * arm-reloc-property.h: Likewise.
3283         * arm-reloc.def: Likewise.
3284         * arm.cc: Likewise.
3285         * attributes.h: Likewise.
3286         * cref.cc: Likewise.
3287         * ehframe.cc: Likewise.
3288         * fileread.h: Likewise.
3289         * gold.h: Likewise.
3290         * i386.cc: Likewise.
3291         * icf.cc: Likewise.
3292         * incremental.h: Likewise.
3293         * int_encoding.cc: Likewise.
3294         * layout.h: Likewise.
3295         * main.cc: Likewise.
3296         * merge.h: Likewise.
3297         * object.cc: Likewise.
3298         * object.h: Likewise.
3299         * options.cc: Likewise.
3300         * readsyms.cc: Likewise.
3301         * reduced_debug_output.cc: Likewise.
3302         * reloc.cc: Likewise.
3303         * script-sections.cc: Likewise.
3304         * sparc.cc: Likewise.
3305         * symtab.h: Likewise.
3306         * target-reloc.h: Likewise.
3307         * target.cc: Likewise.
3308         * target.h: Likewise.
3309         * timer.cc: Likewise.
3310         * timer.h: Likewise.
3311         * x86_64.cc: Likewise.
3312
3313 2010-12-09  Cary Coutant  <ccoutant@google.com>
3314
3315         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3316         stack.
3317         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3318         parameter; change all callers.
3319         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3320         * options.h (warn_execstack): New option.
3321
3322 2010-12-07  Doug Kwan  <dougkwan@google.com>
3323
3324         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3325         like function call relocations.
3326
3327 2010-12-07  Ian Lance Taylor  <iant@google.com>
3328
3329         * archive.cc (Archive::get_elf_object_for_member): Permit
3330         punconfigured to be NULL.
3331         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3332         (Archive::include_member): Pass NULL to get_elf_object_for_member
3333         if we searched for the archive and this is the first included
3334         object.
3335
3336 2010-12-01  Ian Lance Taylor  <iant@google.com>
3337
3338         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3339         track_relocs_type_ field.
3340         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3341         Set track_relocs_type_.
3342         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3343         contents when using RELA relocs.
3344         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3345         reloc_map_.
3346         * reloc.cc (Track_relocs::next_addend): New function.
3347         * reloc.h (class Track_relocs): Declare next_addend.
3348
3349 2010-12-01  Ian Lance Taylor  <iant@google.com>
3350
3351         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3352         virtual destructor.
3353
3354 2010-12-01  Ian Lance Taylor  <iant@google.com>
3355
3356         * README: Update compilers known to work and fail.
3357
3358 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3359
3360         * configure.in: For --enable-gold, handle value `default' instead of
3361         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3362         not the default.
3363         * configure: Regenerate.
3364
3365 2010-11-18  Doug Kwan  <dougkwan@google.com>
3366
3367         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3368         and right_alignment to be zero.  Store result alignment only if it is
3369         greater than existing alignment.
3370
3371 2010-11-16  Cary Coutant  <ccoutant@google.com>
3372
3373         PR gold/12220
3374         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3375         Check for ".zdebug_line".
3376
3377 2010-11-16  Doug Kwan  <dougkwan@google.com>
3378             Cary Coutant  <ccoutant@google.com>
3379
3380         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3381         by reference; adjust all callers.
3382         * output.cc (Output_segment::set_section_addresses): Adjust references
3383         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3384         list is empty.
3385         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3386         end at page boundary.
3387
3388 2010-11-16  Cary Coutant  <ccoutant@google.com>
3389
3390         PR gold/12220
3391         * layout.cc (Layout::choose_output_section): Transform names of
3392         compressed sections even when using a script with a SECTIONS clause.
3393         (Layout::output_section_name): Remove code to transform
3394         compressed debug section names.
3395         * output.cc (Output_section::add_input_section): Use uncompressed
3396         section size when tracking input sections.
3397
3398 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3399
3400         * symtab.h (Symbol::NON_PIC_REF): Remove.
3401         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3402         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3403         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3404         (Symbol::use_plt_offset): Take a flags argument and pass it
3405         directly to needs_dynamic_reloc.  Restrict check for undefined
3406         weak symbols to function calls.
3407         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3408         (Target_arm::Scan::global): Use it.
3409         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3410         (Target_arm::Relocate::relocate): Likewise.
3411         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3412         parameter with an r_type parameter.  Use get_reference_flags
3413         to get the flags.
3414         (Target_arm::Relocate::relocate): Update accordingly.
3415         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3416         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3417         (Target_i386::Scan::global): Likewise.
3418         (Target_i386::Relocate::relocate): Likewise.
3419         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3420         parameter with an r_type parameter.  Use get_reference_flags
3421         to get the flags.
3422         (Target_i386::Relocate::relocate): Update accordingly.
3423         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3424         (Target_powerpc::Scan::global): Use it.
3425         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3426         (Target_powerpc::Relocate::relocate): Likewise.
3427         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3428         (Target_sparc::Scan::global): Use it.
3429         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3430         (Target_sparc::Relocate::relocate): Likewise.
3431         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3432         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3433         (Target_x86_64::Scan::global): Likewise.
3434         (Target_x86_64::Relocate::relocate): Likewise.
3435
3436 2010-11-08  Doug Kwan  <dougkwan@google.com>
3437             Cary Coutant  <ccoutant@google.com>
3438
3439         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3440         (Arm_exidx_merge_section::section_contents_): New data member.
3441         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3442         (Arm_input_section::~Arm_input_section): De-allocate memory.
3443         (Arm_input_section::original_contents_): New data member.
3444         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3445         in parameters instead of calling Object::section_contents without
3446         locking.
3447         (Arm_output_section::group_section): New parameter TASK.  Pass it
3448         to callees that need locking objects.
3449         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3450         to lock EXIDX input sections.  Fix a formatting issue.  Call
3451         Arm_exidx_merged_section::build_contents to create merged section
3452         contents.
3453         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3454         to lock object of stub table owner.
3455         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3456         TEXT_SIZE to initialize data member TEXT_SIZE_.
3457         (Arm_exidx_input_section::addralign): Fix typo in comment.
3458         (Arm_exidx_input_section::text_size): New method.
3459         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3460         that require locking objects.  Lock objects before scanning for stubs
3461         and updating local symbols.
3462         (Arm_input_section<big_endian>::init): Copy contents of original
3463         input section.
3464         (Arm_input_section<big_endian>::do_write): Use saved contents of
3465         original input section instead of calling Object::section_contents
3466         without locking.
3467         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3468         size without calling Object::section_size().
3469         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3470         for size.  Allocate a buffer for merged EXIDX entries.
3471         (Arm_exidx_merged_section::build_contents): New method.
3472         (Arm_exidx_merged_section::do_write): Move merge section contents
3473         building code to Arm_exidx_merged_section::build_contetns.  Write
3474         out contetns in buffer instead of building it on the fly.
3475         (Arm_relobj::make_exidx_input_section): Also pass text section size
3476         to Arm_exidx_input_section constructor.
3477         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3478         (Arm_dynobj::do_read_symbols): Fix memory leak.
3479         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3480         * target.h: (class Task): Add forward declaration.
3481         (Target::relax): Add new parameter TASK and pass it to
3482         Target::do_relax().
3483         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3484
3485 2010-11-05  Cary Coutant  <ccoutant@google.com>
3486
3487         PR gold/10708
3488         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3489         object when reading from the file.
3490         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3491         second layout pass.
3492         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3493         when reading section contents.
3494         (get_section_contents): Likewise.
3495         (icf::find_identical_sections): Likewise.
3496         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3497         object when reading from the file.
3498         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3499         the object when doing deferred section layout.
3500
3501 2010-11-03  Nick Clifton  <nickc@redhat.com>
3502
3503         PR gold/12001
3504         * script.h (class Symbol_assignment: name): New member.  Returns
3505         the name of the symbol.
3506         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3507         Returns true if the given symbol name is on the list of
3508         assignments wating to be processed.
3509         * archive.cc (should_incldue_member): If the symbol is undefined,
3510         check to see if it is on the list of symbols pending assignment.
3511
3512 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3513
3514         * script-sections.cc (Script_sections::find_memory_region): Check
3515         for a NULL output section pointer.
3516
3517 2010-10-29  Doug Kwan  <dougkwan@google.com>
3518
3519         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3520         Output_section::add_relaxed_input_section.
3521         * output.cc (Output_section::add_relaxed_input_section): Add new
3522         arguments LAYOUT and NAME.  Set section order index.
3523         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3524         Copy section order index.
3525         * output.h (Output_section::add_relaxed_input_section): Add new
3526         arguments LAYOUT and NAME.
3527
3528 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3529
3530         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3531         NATIVE_OR_CROSS_LINKER.
3532         * testsuite/Makefile.in: Regenerate.
3533
3534 2010-10-20  Doug Kwan  <dougkwan@google.com>
3535
3536         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3537         without SHF_LINK_ORDER flags.
3538         * layout.cc (Layout::choose_output_section): Do not filter
3539         SHF_LINK_ORDER flag in a relocatable link.
3540
3541 2010-10-17  Cary Coutant  <ccoutant@google.com>
3542
3543         * output.h (Output_segment::set_section_addresses): Change function
3544         signature.  Update all callers.
3545         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3546         sections.
3547         (Output_segment::set_section_addresses): Align after last TLS
3548         section.  Add padding before last relro section instead of after.
3549
3550 2010-10-17  Doug Kwan  <dougkwan@google.com>
3551
3552         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3553         GOT output section to be writable.
3554
3555 2010-10-14  Cary Coutant  <ccoutant@google.com>
3556
3557         * debug.h (DEBUG_INCREMENTAL): New flag.
3558         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3559         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3560         mode.
3561         * incremental.cc (report_command_line): Ignore all forms of
3562         --incremental.
3563         * layout.cc (Layout::Layout): Check parameters for incremental link
3564         mode.
3565         * options.cc (General_options::parse_incremental): New function.
3566         (General_options::parse_no_incremental): New function.
3567         (General_options::parse_incremental_full): New function.
3568         (General_options::parse_incremental_update): New function.
3569         (General_options::incremental_mode_): New data member.
3570         (General_options::finalize): Check incremental_mode_.
3571         * options.h (General_options): Update help text for --incremental.
3572         Add --no-incremental, --incremental-full, --incremental-update.
3573         (General_options::Incremental_mode): New enum type.
3574         (General_options::incremental_mode): New function.
3575         (General_options::incremental_mode_): New data member.
3576         * parameters.cc (Parameters::incremental_mode_): New data member.
3577         (Parameters::set_options): Set incremental_mode_.
3578         (Parameters::set_incremental_full): New function.
3579         (Parameters::incremental): New function.
3580         (Parameters::incremental_update): New function.
3581         (set_parameters_incremental_full): New function.
3582         * parameters.h (Parameters::set_incremental_full): New function.
3583         (Parameters::incremental): New function.
3584         (Parameters::incremental_update): New function.
3585         (Parameters::incremental_mode_): New data member.
3586         (set_parameters_incremental_full): New function.
3587         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3588         incremental link mode.
3589         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3590         (Sized_relobj::do_relocate_sections): Likewise.
3591         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3592         option.
3593         * testsuite/Makefile.in: Regenerate.
3594         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3595
3596 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3597
3598         * script-sections.h (class Script_sections): Make
3599         Sections_elements typedef public.
3600         * script-sections.cc (class Sort_output_sections): Add elements_
3601         field.  Add constructor which sets it; change all callers.
3602         (Sort_output_sections::is_before): New function.
3603         (Sort_output_sections::operator()): Call is_before.
3604         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3605         conditional.
3606         * testsuite/script_test_10.sh: New test. Test script section
3607         order.
3608         * testsuite/script_test_10.t: Likewise.
3609         * testsuite/script_test_10.s: Likewise.
3610         * testsuite/Makefile.am: Wrap the cross linker tests and the
3611         common tests into NATIVE_OR_CROSS_LINKER.
3612         (check_SCRIPTS): Add script_test_10.sh.
3613         (check_DATA): Add script_test_10.stdout.
3614         (script_test_10.o, script_test_10): New targets.
3615         (script_test_10.stdout): New target.
3616         * configure, testsuite/Makefile.in: Regenerate.
3617
3618 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3619
3620         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3621         error for the deprecated relocations.
3622         (Target_arm::Scan::global): Likewise.
3623         (Target_arm::Relocate::relocate): Likewise.
3624
3625 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3626
3627         * fileread.cc (Input_file::find_file): Initialize *found_name
3628         and *namep when using the fallback search for case 4.
3629
3630 2010-10-11  Cary Coutant  <ccoutant@google.com>
3631
3632         * options.h (class General_options): Redefine -z lazy as an alias for
3633         the negation of -z now.
3634
3635 2010-10-11  Ian Lance Taylor  <iant@google.com>
3636
3637         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3638         binding.
3639
3640 2010-10-06  Nick Clifton  <nickc@redhat.com>
3641
3642         * script-sections.cc(class Memory_region): Remove
3643         current_lma_offset_ field.  Rename current_vma_offset_ to
3644         current_offset_.  Add last_section_ field.
3645         (Memory_region::get_current_vma_address): Rename to
3646         get_current_address.
3647         (Memory_region::get_current_lma_address): Delete.
3648         (Memory_region::increment_vma_offset): Rename to
3649         increment_offset.
3650         (Memory_region::increment_lma_offset): Delete.
3651         (Memory_region::attributes_compatible): New method.  Returns
3652         true if the provided section is compatible with the region.
3653         (Memory_region::get_last_section): New method.  Returns the last
3654         section to use the region.
3655         (Memory_region::set_last_section): New method.  Stores the last
3656         section to use the region.
3657         (Script_sections::block_in_region): New method.  Returns true if
3658         a block of memory is contained within a region.
3659         (Script_sections::find_memory_region): New method.  Locates a
3660         memory region to be used to set a VMA or LMA address.
3661         (Output_section_definition::set_section_addresses): Add code to
3662         check for addresses set by memory regions.
3663         (Output_segment::set_section_addresses): Remove memory region
3664         walking code.
3665         (Script_sections::create_segment): Add a warning if a header
3666         segment is created outside of any region.
3667         * script-sections.h (class Script_sections): Add prototypes for
3668         find_memory_region and block_in_region methods.
3669         * testsuite/memory_test.s: Use .long instead of .word.
3670         * testsuite/memory_test.t: Add some more output sections.
3671         * testsuite/memory_test.sh: Update expected output.
3672
3673 2010-10-02  Doug Kwan  <dougkwan@google.com>
3674
3675         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3676         defintion to symtab.h
3677         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3678         declaration to defintion.
3679
3680 2010-10-01  Nick Clifton  <nickc@redhat.com>
3681
3682         * expression.cc (eval): Replace dummy argument with NULL.
3683         (eval_maybe_dot): Check for a NULL result section pointer.
3684         (Symbol_expression::value): Likewise.
3685         (Dot_expression::value): Likewise.
3686         (BINARY_EXPRESSION): Likewise.
3687         (Max_expression::value): Likewise.
3688         (Min_expression::value): Likewise.
3689         (Absolute_expression::value): Likewise.
3690         (Addr_expression::value_from_output_section): Likewise.
3691         (Loaddddr_expression::value_from_output_section): Likewise.
3692         (Segment_start_expression::value): Likewise.
3693         * script-sections.cc
3694         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3695         argument with NULL.
3696         (Sections_elememt_dot_assignment::set_section_addresses):
3697         Likewise.
3698         (Output_data_expression::do_write_to_buffer): Likewise.
3699         (Output_section_definition::finalize_symbols): Likewise.
3700         (Output_section_definition::set_section_addresses): Likewise.
3701
3702 2010-09-30  Doug Kwan  <dougkwan@google.com>
3703
3704         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3705
3706 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3707
3708         * target.h (Target::can_icf_inline_merge_sections): New virtual
3709         function.
3710         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3711         virtual function.
3712         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3713         virtual function.
3714         * icf.cc (get_section_contents): Inline merge sections only when
3715         target allows it.
3716
3717 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3718
3719         * configure: Regenerate.
3720
3721 2010-09-17  Ian Lance Taylor  <iant@google.com>
3722
3723         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3724         * testsuite/Makefile.am (memory_test.o): New target.
3725         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3726         memory_test.t.
3727         * testsuite/Makefile.in: Rebuild.
3728
3729 2010-09-17  Doug Kwan  <dougkwan@google.com>
3730
3731         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3732         defintion if relocation uses GOT entries of the symbol.
3733         * testsuite/icf_safe_test.sh: Fix test.
3734         * testsuite/icf_safe_so_test.sh: Fix test.
3735
3736 2010-09-16  Cary Coutant  <ccoutant@google.com>
3737
3738         * script_sections.cc (class Memory_region): Remove "NULL" from
3739         vector initializations.
3740
3741 2010-09-15  Cary Coutant  <ccoutant@google.com>
3742
3743         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3744         Resolve forwarding symbols.
3745
3746 2010-09-15  Doug Kwan  <dougkwan@google.com>
3747
3748         * gold/testsuite/script_test_3.t: Add ARM special sections.
3749         * gold/testsuite/script_test_4.t: Same.
3750         * gold/testsuite/script_test_5.t: Same.
3751         * gold/testsuite/script_test_6.t: Same.
3752         * gold/testsuite/script_test_7.t: Same.
3753         * gold/testsuite/script_test_7.t: Same.
3754         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3755
3756 2010-09-14  Cary Coutant  <ccoutant@google.com>
3757
3758         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3759         (Target_x86_64::Relocate::relocate_tls): Replace check for
3760         saw_tls_block_reloc_ with test for executable section.
3761
3762 2010-09-12  Cary Coutant  <ccoutant@google.com>
3763
3764         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3765         position-independent executables to shared libraries need dynamic
3766         relocations.
3767         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3768         position-independent executables.
3769         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3770         * testsuite/Makefile.in: Regenerate.
3771
3772 2010-09-10  Nick Clifton  <nickc@redhat.com>
3773
3774         PR gold/11997
3775         * testsuite/memory_test.t: Discard any sections that are not
3776         needed.
3777
3778 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3779
3780         PR gold/11996
3781         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3782         "This::" to work around a bug in gcc 4.2.
3783
3784         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3785
3786 2010-09-09  Rafael Espindola  <espindola@google.com>
3787
3788         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3789         sections with different PF_X flags in the same segment.
3790         (Layout::find_first_load_seg): Search all segments to find the first
3791         one.
3792         * options.h (rosegment): New.
3793
3794 2010-09-08  Rafael Espindola  <espindola@google.com>
3795
3796         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3797
3798 2010-09-08  Doug Kwan  <dougkwan@google.com>
3799
3800         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3801         (Arm_relobj::do_relocate_sections): Add new parameter for output
3802         file to match the parent.
3803         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3804         of local symbols instead of input values.  Update code to track
3805         changes in gold::relocate_section.
3806         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3807         (Sized_relobj::compute_final_local_value_internal): New methods.
3808         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3809         body into private version of Sized_relobj::compute_final_local_value.
3810         Call the inline method.
3811         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3812         merged symbol value if there is one.
3813         (Symbol_value::has_output_value): New method defintiion.
3814         (Sized_relobj::Compute_final_local_value_status): New enum type.
3815         (Sized_relobj::compute_final_local_value): New methods.
3816         (Sized_relobj::compute_final_local_value_internal): New methods.
3817         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3818         and arm_cortex_a8.sh.
3819         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3820         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3821         New tests.
3822         * Makefile.in: Regenerate.
3823         * testsuite/arm_bl_out_of_range.s: Update test.
3824         * testsuite/thumb_bl_out_of_range.s: Ditto.
3825         * testsuite/thumb_blx_out_of_range.s: Ditto.
3826         * testsuite/arm_branch_out_of_range.sh: New file.
3827         * testsuite/arm_cortex_a8.sh: Ditto.
3828         * testsuite/arm_cortex_a8_b.s: Ditto.
3829         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3830         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3831         * testsuite/arm_cortex_a8_bl.s: Ditto.
3832         * testsuite/arm_cortex_a8_blx.s: Ditto.
3833         * testsuite/arm_cortex_a8_local.s: Ditto.
3834         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3835         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3836
3837 2010-09-08  Rafael Espindola  <espindola@google.com>
3838
3839         * Makefile.am (memory_test.stdout): Run readelf with -W.
3840         * Makefile.in: Regenerate.
3841         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3842         64 bit output.
3843
3844 2010-09-08  Rafael Espindola  <espindola@google.com>
3845
3846         * script-sections.cc (Script_sections::add_memory_region): Convert
3847         field precision to int.
3848         * script.cc (script_set_section_region, script_set_section_region):
3849         Convert field precision to int.
3850
3851 2010-09-08  Rafael Espindola  <espindola@google.com>
3852
3853         * arm.cc (do_finalize_sections): Create the __exidx_start and
3854         __exdix_end symbols even when the section is missing.
3855
3856 2010-09-08  Nick Clifton  <nickc@redhat.com>
3857
3858         * README: Remove claim that MEMORY is not supported.
3859         * expression.cc (script_exp_function_origin)
3860         (script_exp_function_length): Move from here to ...
3861         * script.cc: ... here.
3862         (script_set_section_region, script_add_memory)
3863         (script_parse_memory_attr, script_include_directive): New
3864         functions.
3865         * script-sections.cc
3866         (class Memory_region): New class.
3867         (class Output_section_definition): Add set_memory_region,
3868         set_section_vma, set_section_lma and get_section_name methods.
3869         (class Script_Sections): Add add_memory_region,
3870         find_memory_region, find_memory_region_origin,
3871         find_memory_region_length and set_memory_region methods.
3872         Have set_section_addresses method walk the list of set memory
3873         regions.
3874         Extend the print methos to display memory regions.
3875         * script-sections.h: Add prototypes for new methods.
3876         Add enum for MEMORY region attributes.
3877         * yyscript.y: Add support for parsing MEMORY regions.
3878         * script-c.h: Add prototypes for new functions.
3879         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3880         * testsuite/Makefile.in: Regenerate.
3881         * testsuite/memory_test.sh: New script.
3882         * testsuite/memory_test.s: New assembler source file.
3883         * testsuite/memory_test.t: New linker script.
3884
3885 2010-08-27  Doug Kwan  <dougkwan@google.com>
3886
3887         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3888         reference override an existing dynamic weak reference.
3889         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3890         * testsuite/Makefile.in: Regenerate.
3891         * testsuite/dyn_weak_ref.sh: New file.
3892         * testsuite/dyn_weak_ref_1.c: Ditto.
3893         * testsuite/dyn_weak_ref_2.c: Ditto.
3894
3895 2010-08-27  Ian Lance Taylor  <iant@google.com>
3896
3897         * incremental.h (class Incremental_input_entry): Add virtual
3898         destructor.
3899
3900 2010-08-27  Ian Lance Taylor  <iant@google.com>
3901
3902         * testsuite/start_lib_test_3.c: Mark t3 as used.
3903
3904 2010-08-27  Nick Clifton  <nickc@redhat.com>
3905
3906         * options.cc (version_script): Fix small typo in previous
3907         whitespace tidyup.
3908
3909 2010-08-25  Nick Clifton  <nickc@redhat.com>
3910
3911         * archive.cc: Formatting fixes: Remove whitespace between
3912         typename and following asterisk.  Remove whitespace between
3913         function name and opening parenthesis.
3914         * archive.h: Likewise.
3915         * arm.cc: Likewise.
3916         * attributes.cc: Likewise.
3917         * attributes.h: Likewise.
3918         * common.cc: Likewise.
3919         * copy-relocs.cc: Likewise.
3920         * dirsearch.h: Likewise.
3921         * dynobj.cc: Likewise.
3922         * ehframe.cc: Likewise.
3923         * ehframe.h: Likewise.
3924         * expression.cc: Likewise.
3925         * fileread.cc: Likewise.
3926         * fileread.h: Likewise.
3927         * gc.h: Likewise.
3928         * gold-threads.cc: Likewise.
3929         * gold.cc: Likewise.
3930         * i386.cc: Likewise.
3931         * icf.h: Likewise.
3932         * incremental-dump.cc: Likewise.
3933         * incremental.cc: Likewise.
3934         * layout.cc: Likewise.
3935         * layout.h: Likewise.
3936         * main.cc: Likewise.
3937         * merge.cc: Likewise.
3938         * merge.h: Likewise.
3939         * object.cc: Likewise.
3940         * object.h: Likewise.
3941         * options.cc: Likewise.
3942         * options.h: Likewise.
3943         * output.cc: Likewise.
3944         * output.h: Likewise.
3945         * plugin.cc: Likewise.
3946         * plugin.h: Likewise.
3947         * powerpc.cc: Likewise.
3948         * reloc.cc: Likewise.
3949         * script-c.h: Likewise.
3950         * script-sections.cc: Likewise.
3951         * script.cc: Likewise.
3952         * stringpool.cc: Likewise.
3953         * symtab.cc: Likewise.
3954         * symtab.h: Likewise.
3955         * target.cc: Likewise.
3956         * timer.cc: Likewise.
3957         * timer.h: Likewise.
3958         * version.cc: Likewise.
3959         * x86_64.cc: Likewise.
3960
3961 2010-08-24  Nick Clifton  <nickc@redhat.com>
3962
3963         PR 11899
3964         * layout.cc (segment_precedes): Sort segments by their physical
3965         addresses, if they have been set.
3966
3967 2010-08-23  Cary Coutant  <ccoutant@google.com>
3968
3969         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3970         symbols data.
3971         (Lib_group::include_member): Unlock object after deleting its
3972         symbols data.
3973         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3974         the bug fixed here.
3975
3976 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3977             Cary Coutant  <ccoutant@google.com>
3978
3979         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3980         constructor, and set_blocker.
3981         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3982         readsyms_blocker_.
3983         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3984         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3985         * testsuite/Makefile.am (start_lib_test): New test case.
3986         * testsuite/Makefile.in: Regenerate.
3987         * testsuite/start_lib_test_main.c: New file.
3988         * testsuite/start_lib_test_1.c: New file.
3989         * testsuite/start_lib_test_2.c: New file.
3990         * testsuite/start_lib_test_3.c: New file.
3991
3992 2010-08-19  Ian Lance Taylor  <iant@google.com>
3993
3994         * Makefile.in: Rebuild with automake 1.11.1.
3995         * aclocal.m4: Likewise.
3996         * testsuite/Makefile.in: Likewise.
3997
3998 2010-08-19  Ian Lance Taylor  <iant@google.com>
3999
4000         PR 10893
4001         * i386.cc (class Output_data_plt_i386): Update declarations.
4002         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4003         local_ifuncs_ fields.
4004         (Target_i386::do_plt_section_for_global): New function.
4005         (Target_i386::do_plt_section_for_local): New function.
4006         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4007         parameter; change all callers.  Initialize global_ifuncs_ and
4008         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4009         __rel_iplt_end.
4010         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4011         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4012         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4013         symbols.
4014         (Target_i386::make_plt_section): New function, broken out of
4015         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4016         (Target_i386::make_plt_entry): Call make_plt_section.
4017         (Target_i386::make_local_ifunc_plt_entry): New function.
4018         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4019         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4020         R_386_IRELATIVE to switch.
4021         (Target_i386::Scan::global): Likewise.
4022         (Target_i386::Relocate::relocate): Likewise.
4023         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4024         switch.
4025         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4026         (Target_x86_64::do_plt_section_for_global): New function.
4027         (Target_x86_64::do_plt_section_for_local): New function.
4028         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4029         parameter; change all callers.  If doing a static link define
4030         __rela_iplt_start and __rela_iplt_end.
4031         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4032         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4033         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4034         to point to .plt.
4035         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4036         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4037         switch.
4038         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4039         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4040         R_X86_64_IRELATIVE to switch.
4041         (Target_x86_64::Scan::global): Likewise.
4042         (Target_x86_64::Relocate::relocate): Likewise.
4043         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4044         switch.
4045         * target.h (class Target): Add plt_section_for_global and
4046         plt_section_for_local functions.  Add do_plt_section_for_global
4047         and do_plt_section_for_local virtual functions.
4048         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4049         clarifying comments.
4050         (Symbol::use_plt_offset): Handle IFUNC symbol.
4051         * object.cc (Sized_relobj::Sized_relobj): Initialize
4052         local_plt_offsets_.
4053         (Sized_relobj::local_has_plt_offset): New function.
4054         (Sized_relobj::local_plt_offset): New function.
4055         (Sized_relobj::set_local_plt_offset): New function.
4056         (Sized_relobj::do_count): Handle IFUNC symbol.
4057         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4058         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4059         is_ifunc_symbol functions.
4060         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4061         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4062         local_plt_offsets_ field.
4063         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4064         * output.h (class Output_section_data): Add non-const
4065         output_section function.
4066         (class Output_data_got): Update declarations.
4067         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4068         Add use_plt_offset parameter to global and local constructors.
4069         Change all callers.  Change local_sym_index_ field to 31 bits.
4070         Change GSYM_CODE and CONSTANT_CODE accordingly.
4071         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4072         doing a static link don't set sh_link field.
4073         (Output_data_got::Got_entry::write): Use PLT offset if
4074         appropriate.
4075         (Output_data_got::add_global_plt): New function.
4076         (Output_data_got::add_local_plt): New function.
4077         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4078         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4079         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4080         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4081         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4082         IFUNC conditional.
4083         * testsuite/ifunc-sel.h: New file.
4084         * testsuite/ifuncmain1.c: New file.
4085         * testsuite/ifuncmain1vis.c: New file.
4086         * testsuite/ifuncmod1.c: New file.
4087         * testsuite/ifuncdep2.c: New file.
4088         * testsuite/ifuncmain2.c: New file.
4089         * testsuite/ifuncmain3.c: New file.
4090         * testsuite/ifuncmod3.c: New file.
4091         * testsuite/ifuncmain4.c: New file.
4092         * testsuite/ifuncmain5.c: New file.
4093         * testsuite/ifuncmod5.c: New file.
4094         * testsuite/ifuncmain6pie.c: New file.
4095         * testsuite/ifuncmod6.c: New file.
4096         * testsuite/ifuncmain7.c: New file.
4097         * configure, testsuite/Makefile.in: Rebuild.
4098
4099 2010-08-18  Ian Lance Taylor  <iant@google.com>
4100
4101         * incremental.cc
4102         (Output_section_incremental_inputs::write_input_files): Add cast
4103         to avoid signed/unsigned comparison warning.
4104         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4105
4106 2010-08-12  Cary Coutant  <ccoutant@google.com>
4107
4108         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4109
4110 2010-08-13  Ian Lance Taylor  <iant@google.com>
4111
4112         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4113
4114 2010-08-12  Cary Coutant  <ccoutant@google.com>
4115             Doug Kwan  <dougkwan@google.com>
4116
4117         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4118         defintion overrides non-weak undef, remember that the original undef
4119         is not weak.
4120         * symtab.cc (Symbol_table::sized_write_global): For undef without
4121         an original weak binding, set binding to global in output.
4122         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4123         * testsuite/Makefile.in: Regenerate.
4124         * testsuite/strong_ref_weak_def.sh: New file.
4125         * testsuite/strong_ref_weak_def_1.c: Ditto.
4126         * testsuite/strong_ref_weak_def_2.c: Ditto.
4127
4128 2010-08-12  Cary Coutant  <ccoutant@google.com>
4129
4130         * testsuite/incremental_test.sh: Rewrite.
4131         * testsuite/incremental_test_1.c: Rewrite.
4132         * testsuite/incremental_test_2.c: Rewrite.
4133
4134 2010-08-12  Cary Coutant  <ccoutant@google.com>
4135
4136         * arm.cc (Target_arm::got_size): Add const.
4137         (Target_arm::got_entry_count): New function.
4138         (Target_arm::plt_entry_count): New function.
4139         (Target_arm::first_plt_entry_offset): New function.
4140         (Target_arm::plt_entry_size): New function.
4141         (Output_data_plt_arm::entry_count): New function.
4142         (Output_data_plt_arm::first_plt_entry_offset): New function.
4143         (Output_data_plt_arm::get_plt_entry_size): New function.
4144         * i386.cc (Target_i386::got_size): Add const.
4145         (Target_i386::got_entry_count): New function.
4146         (Target_i386::plt_entry_count): New function.
4147         (Target_i386::first_plt_entry_offset): New function.
4148         (Target_i386::plt_entry_size): New function.
4149         (Output_data_plt_i386::entry_count): New function.
4150         (Output_data_plt_i386::first_plt_entry_offset): New function.
4151         (Output_data_plt_i386::get_plt_entry_size): New function.
4152         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4153         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4154         * incremental.cc: Include target.h.
4155         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4156         parameter.  Adjust all callers.  Find incremental_got_plt section.
4157         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4158         section.
4159         (Output_section_incremental_inputs::set_final_data_size): Calculate
4160         size of incremental_got_plt section.
4161         (Output_section_incremental_inputs::do_write): Write the
4162         incremental_got_plt section.
4163         (Got_plt_view_info): New struct.
4164         (Local_got_offset_visitor): New class.
4165         (Global_got_offset_visitor): New class.
4166         (Global_symbol_visitor_got_plt): New class.
4167         (Output_section_incremental_inputs::write_got_plt): New function.
4168         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4169         Add parameter.  Adjust all callers.
4170         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4171         (Incremental_inputs::got_plt_section): New function.
4172         (Incremental_inputs::got_plt_section_): New data member.
4173         (Incremental_got_plt_reader): New class.
4174         * layout.cc (Layout::create_incremental_info_sections): Add the
4175         incremental_got_plt section.
4176         * object.h (Got_offset_list::get_list): New function.
4177         (Got offset_list::for_all_got_offsets): New function.
4178         (Sized_relobj::local_got_offset_list): New function.
4179         * powerpc.cc (Target_powerpc::got_size): Add const.
4180         (Target_powerpc::got_entry_count): New function.
4181         (Target_powerpc::plt_entry_count): New function.
4182         (Target_powerpc::first_plt_entry_offset): New function.
4183         (Target_powerpc::plt_entry_size): New function.
4184         (Output_data_plt_powerpc::entry_count): New function.
4185         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4186         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4187         * sparc.cc (Target_sparc::got_size): Add const.
4188         (Target_sparc::got_entry_count): New function.
4189         (Target_sparc::plt_entry_count): New function.
4190         (Target_sparc::first_plt_entry_offset): New function.
4191         (Target_sparc::plt_entry_size): New function.
4192         (Output_data_plt_sparc::entry_count): New function.
4193         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4194         (Output_data_plt_sparc::get_plt_entry_size): New function.
4195         * symtab.h (Symbol::got_offset_list): New function.
4196         (Symbol_table::for_all_symbols): New function.
4197         * target.h (Sized_target::got_entry_count): New function.
4198         (Sized_target::plt_entry_count): New function.
4199         (Sized_target::plt_entry_size): New function.
4200         * x86_64.cc (Target_x86_64::got_size): Add const.
4201         (Target_x86_64::got_entry_count): New function.
4202         (Target_x86_64::plt_entry_count): New function.
4203         (Target_x86_64::first_plt_entry_offset): New function.
4204         (Target_x86_64::plt_entry_size): New function.
4205         (Output_data_plt_x86_64::entry_count): New function.
4206         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4207         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4208
4209 2010-08-12  Cary Coutant  <ccoutant@google.com>
4210
4211         * archive.cc: Include incremental.h.
4212         (Archive::Archive): Initialize incremental_info_.
4213         (Archive::include_member): Record archive members in incremental info.
4214         (Add_archive_symbols::run): Record begin and end of an archive in
4215         incremental info.
4216         (Lib_group::include_member): Record objects in incremental info.
4217         * archive.h (Incremental_archive_entry): Forward declaration.
4218         (Archive::set_incremental_info): New member function.
4219         (Archive::incremental_info): New member function.
4220         (Archive::Unused_symbol_iterator): New class.
4221         (Archive::unused_symbols_begin): New member function.
4222         (Archive::unused_symbols_end): New member function.
4223         (Archive::incremental_info_): New data member.
4224         * incremental-dump.cc (find_input_containing_global): New function.
4225         (dump_incremental_inputs): Dump new incremental info sections.
4226         * incremental.cc: Include symtab.h.
4227         (Output_section_incremental_inputs): New class.
4228         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4229         new incremental info sections.
4230         (Sized_incremental_binary::do_check_inputs): Likewise.
4231         (Incremental_inputs::report_archive): Remove.
4232         (Incremental_inputs::report_archive_begin): New function.
4233         (Incremental_inputs::report_archive_end): New function.
4234         (Incremental_inputs::report_object): New function.
4235         (Incremental_inputs::finalize_inputs): Remove.
4236         (Incremental_inputs::report_input_section): New function.
4237         (Incremental_inputs::report_script): Rewrite.
4238         (Incremental_inputs::finalize): Do nothing but finalize string table.
4239         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4240         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4241         (Incremental_inputs::create_data_sections): New function.
4242         (Incremental_inputs::relocs_entsize): New function.
4243         (Output_section_incremental_inputs::set_final_data_size): New function.
4244         (Output_section_incremental_inputs::do_write): New function.
4245         (Output_section_incremental_inputs::write_header): New function.
4246         (Output_section_incremental_inputs::write_input_files): New function.
4247         (Output_section_incremental_inputs::write_info_blocks): New function.
4248         (Output_section_incremental_inputs::write_symtab): New function.
4249         * incremental.h (Incremental_script_entry): Forward declaration.
4250         (Incremental_object_entry): Forward declaration.
4251         (Incremental_archive_entry): Forward declaration.
4252         (Incremental_inputs): Forward declaration.
4253         (Incremental_inputs_header_data): Remove.
4254         (Incremental_inputs_header): Remove.
4255         (Incremental_inputs_header_write): Remove.
4256         (Incremental_inputs_entry_data): Remove.
4257         (Incremental_inputs_entry): Remove.
4258         (Incremental_inputs_entry_write): Remove.
4259         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4260         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4261         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4262         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4263         Likewise.
4264         (Incremental_input_entry): New class.
4265         (Incremental_script_entry): New class.
4266         (Incremental_object_entry): New class.
4267         (Incremental_archive_entry): New class.
4268         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4269         (Incremental_inputs::report_inputs): Remove.
4270         (Incremental_inputs::report_archive): Remove.
4271         (Incremental_inputs::report_archive_begin): New function.
4272         (Incremental_inputs::report_archive_end): New function.
4273         (Incremental_inputs::report_object): Change prototype.
4274         (Incremental_inputs::report_input_section): New function.
4275         (Incremental_inputs::report_script): Change prototype.
4276         (Incremental_inputs::get_reloc_count): New function.
4277         (Incremental_inputs::set_reloc_count): New function.
4278         (Incremental_inputs::create_data_sections): New function.
4279         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4280         (Incremental_inputs::inputs_section): New function.
4281         (Incremental_inputs::symtab_section): New function.
4282         (Incremental_inputs::relocs_section): New function.
4283         (Incremental_inputs::get_stringpool): Add const.
4284         (Incremental_inputs::command_line): Add const.
4285         (Incremental_inputs::inputs): Remove.
4286         (Incremental_inputs::command_line_key): New function.
4287         (Incremental_inputs::input_file_count): New function.
4288         (Incremental_inputs::input_files): New function.
4289         (Incremental_inputs::relocs_entsize): New function.
4290         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4291         (Incremental_inputs::finalize_inputs): Remove.
4292         (Incremental_inputs::Input_info): Remove.
4293         (Incremental_inputs::lock_): Remove.
4294         (Incremental_inputs::inputs_): Change type.
4295         (Incremental_inputs::inputs_map_): Remove.
4296         (Incremental_inputs::current_object_entry_): New data member.
4297         (Incremental_inputs::inputs_section_): New data member.
4298         (Incremental_inputs::symtab_section_): New data member.
4299         (Incremental_inputs::relocs_section_): New data member.
4300         (Incremental_inputs::reloc_count_): New data member.
4301         (Incremental_inputs_reader): New class.
4302         (Incremental_symtab_reader): New class.
4303         (Incremental_relocs_reader): New class.
4304         * layout.cc (Layout::finalize): Move finalization of incremental info
4305         and creation of incremental info sections to follow finalization of
4306         symbol table.  Set offsets for postprocessing sections.
4307         (Layout::create_incremental_info_sections): Call
4308         Incremental_inputs::create_data_sections.  Add incremental symtab
4309         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4310         sections to layout after input sections.
4311         * layout.h (struct Timespec): Forward declaration.
4312         (Layout::incremental_inputs): Add const.
4313         (Layout::create_incremental_info_sections): Add parameter.
4314         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4315         * object.cc: Include incremental.h.
4316         (Relobj::finalize_incremental_relocs): New function.
4317         (Sized_relobj::do_layout): Record input sections in incremental info.
4318         * object.h (Object::output_section): New function.
4319         (Object::output_section_offset): Moved from Relobj.
4320         (Object::get_incremental_reloc_base): New function.
4321         (Object::get_incremental_reloc_count): New function.
4322         (Object::do_output_section): New function.
4323         (Object::do_output_section_offset): Moved from Relobj.
4324         (Object::do_get_incremental_reloc_base): New function.
4325         (Object::do_get_incremental_reloc_count): New function.
4326         (Object::Object): Initialize new data members.
4327         (Relobj::output_section): Renamed do_output_section and moved to
4328         protected.
4329         (Relobj::output_section_offset): Moved to Object.
4330         (Relobj::do_get_incremental_reloc_base): New function.
4331         (Relobj::do_get_incremental_reloc_count): New function.
4332         (Relobj::allocate_incremental_reloc_counts): New function.
4333         (Relobj::count_incremental_reloc): New function.
4334         (Relobj::finalize_incremental_relocs): New function.
4335         (Relobj::next_incremental_reloc_index): New function.
4336         (Relobj::reloc_counts_): New data member.
4337         (Relobj::reloc_bases_): New data member.
4338         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4339         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4340         (Sized_relobj::incremental_relocs_scan): New function.
4341         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4342         (Sized_relobj::incremental_relocs_write): New function.
4343         (Sized_relobj::incremental_relocs_write_reltype): New function.
4344         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4345         incremental link.
4346         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4347         archives and object files elsewhere.
4348         (Add_symbols::run): Report object files here.
4349         (Finish_group::run): Report end of archive at end of group.
4350         * reloc.cc: Include layout.h, incremental.h.
4351         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4352         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4353         (Sized_relobj::incremental_relocs_scan): New function.
4354         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4355         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4356         (Sized_relobj::incremental_relocs_write): New function.
4357         (Sized_relobj::incremental_relocs_write_reltype): New function.
4358         * script.cc (read_input_script): Rewrite test for incremental link.
4359         Change call to Incremental_inputs::report_script.
4360         * symtab.h (Symbol_table::first_global_index): New function.
4361         (Symbol_table::output_count): New function.
4362
4363 2010-08-12  Doug Kwan  <dougkwan@google.com>
4364
4365         * arm.cc (Target_arm::merge_object_attributes): Check command line
4366         options --no-wchar-size-warning and --no-enum-size-warning.
4367         * options.h (General_options): Add ld-compatible options
4368         --no-enum-size-warning and --no-wchar-size-warning.
4369
4370 2010-08-04  Ian Lance Taylor  <iant@google.com>
4371
4372         * x86_64.cc (Target_x86_64::Scan::local): Use
4373         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4374         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4375         (Target_x86_64::Scan::global): Likewise.
4376         (Target_x86_64::Relocate::relocate): Likewise.
4377         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4378         Likewise.
4379
4380 2010-08-03  Cary Coutant  <ccoutant@google.com>
4381
4382         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4383         to reserve space in merged_strings vector. Keep total input size
4384         for stats.
4385         (Output_merge_string::do_print_merge_stats): Print total input size.
4386         * merge.h (Output_merge_string): Add input_size_ field.
4387         * stringpool.cc (Stringpool_template::string_length): Move
4388         implementations out of Stringpool_template class and place in
4389         stringpool.h.
4390         * stringpool.h (string_length): Move out of Stringpool_template.
4391
4392 2010-08-03  Ian Lance Taylor  <iant@google.com>
4393
4394         PR 11712
4395         * layout.cc (relaxation_loop_body): If address of load segment is
4396         set, adjust address to include headers if possible.
4397
4398 2010-08-03  Ian Lance Taylor  <iant@google.com>
4399
4400         * version.cc (version_string): Bump to 1.10.
4401
4402 2010-08-03  Ian Lance Taylor  <iant@google.com>
4403
4404         PR 11805
4405         * layout.h (enum Output_section_order): Define.
4406         (class Layout): Update declarations.
4407         * layout.cc (Layout::get_output_section): Add order parameter.
4408         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4409         is_first_non_relro parameters.  Change all callers.
4410         (Layout::choose_output_section): Likewise.
4411         (Layout::add_output_section_data): Likewise.
4412         (Layout::make_output_section): Likewise.  Set order.
4413         (Layout::default_section_order): New function.
4414         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4415         * output.cc (Output_section::Output_section): Initialize order_.
4416         Don't initialize deleted fields.
4417         (Output_segment::Output_segment): Don't initialize deleted
4418         fields.
4419         (Output_segment::add_output_section_to_load): New function
4420         replacing add_output_section.  Change all callers to call this or
4421         add_output_section_to_nonload.
4422         (Output_segment::add_output_section_to_nonload): New function.
4423         (Output_segment::remove_output_section): Rewrite.
4424         (Output_segment::add_initial_output_data): Likewise.
4425         (Output_segment::has_any_data_sections): Likewise.
4426         (Output_segment::is_first_section_relro): Likewise.
4427         (Output_segment::maximum_alignment): Likewise.
4428         (Output_segment::has_dynamic_reloc): New function replacing
4429         dynamic_reloc_count.  Change all callers.
4430         (Output_segment::has_dynamic_reloc_list): New function replacing
4431         dynamic_reloc_count_list.  Change all callers.
4432         (Output_segment::set_section_addresses): Rewrite.
4433         (Output_segment::set_offset): Rewrite.
4434         (Output_segment::find_first_and_last_list): Remove.
4435         (Output_segment::set_tls_offsets): Rewrite.
4436         (Output_segment::first_section_load_address): Likewise.
4437         (Output_segment::output_section_count): Likewise.
4438         (Output_segment::section_with_lowest_load_address): Likewise.
4439         (Output_segment::write_section_headers): Likewise.
4440         (Output_segment::print_sections_to_map): Likewise.
4441         * output.h (class Output_data): Remove dynamic_reloc_count_
4442         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4443         (Output_data::add_dynamic_reloc): Rewrite.
4444         (Output_data::has_dynamic_reloc): New function.
4445         (Output_data::dynamic_reloc_count): Remove.
4446         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4447         is_last_relro_, is_first_non_relro_, is_interp_,
4448         is_dynamic_linker_section_ fields.  Add order and set_order
4449         functions.  Remove is_relro_local, set_is_relro_local,
4450         is_last_relro, set_is_last_relro, is_first_non_relro,
4451         set_is_first_non_relro functions, is_interp, set_is_interp,
4452         is_dynamic_linker_section, and set_is_dynamic_linker_section
4453         functions.
4454         (class Output_segment): Change Output_data_list from std::list to
4455         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4456         output_bss_ fields.  Update declarations.
4457
4458 2010-08-02  Ian Lance Taylor  <iant@google.com>
4459
4460         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4461         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4462         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4463
4464 2010-08-02  Ian Lance Taylor  <iant@google.com>
4465
4466         PR 11855
4467         * script.cc (Script_options::Script_options): Initialize
4468         symbol_definitions_ and symbol_references_.
4469         (Script_options::add_symbol_assignment): Update
4470         symbol_definitions_ and symbol_references_.
4471         (Script_options::add_symbol_reference): New function.
4472         (script_symbol): New function.
4473         * script.h (class Script_options): Add symbol_definitions_ and
4474         symbol_references_ fields.
4475         (Script_options::referenced_const_iterator): New type.
4476         (Script_options::referenced_begin): New function.
4477         (Script_options::referenced_end): New function.
4478         (Script_options::is_referenced): New function.
4479         (Script_options::any_unreferenced): New function.
4480         * script-c.h (script_symbol): Declare.
4481         * yyscript.y (exp): Call script_symbol.
4482         * symtab.cc: Include "script.h".
4483         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4484         Change all callers.  Check symbols referenced by scripts.
4485         (Symbol_table::add_undefined_symbols_from_command_line): Add
4486         layout parameter.  Change all callers.
4487         (Symbol_table::do_add_undefined_symbols_from_command_line):
4488         Likewise.  Break out loop body.  Check symbols referenced by
4489         scripts.
4490         (Symbol_table::add_undefined_symbol_from_command_line): New
4491         function broken out of
4492         do_add_undefined_symbols_from_command_line.
4493         * symtab.h (class Symbol_table): Update declarations.
4494         * archive.cc: Include "layout.h".
4495         (Archive::should_include_member): Add layout parameter.  Change
4496         all callers.  Check for symbol mentioned in expression.
4497         * archive.h (class Archive): Update declaration.
4498         * object.cc (Sized_relobj::do_should_include_member): Add layout
4499         parameter.
4500         * object.h (Object::should_include_member): Add layout parameter.
4501         Change all callers.
4502         (Object::do_should_include_member): Add layout parameter.
4503         (class Sized_relobj): Update declaration.
4504         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4505         parameter.
4506         * dynobj.h (class Sized_dynobj): Update declaration.
4507         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4508         layout parameter.
4509         * plugin.h (class Sized_pluginobj): Update declaration.
4510
4511 2010-08-02  Ian Lance Taylor  <iant@google.com>
4512
4513         PR 11866
4514         * output.cc (Output_segment::set_offset): Search for the first and
4515         last sections rather than assuming that the list is in order.
4516         (Output_segment::find_first_and_last_list): New function.
4517         * output.h (class Output_segment): Update declarations.
4518         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4519         (relro_strip_test_SOURCES): New variable.
4520         (relro_strip_test_DEPENDENCIES): New variable.
4521         (relro_strip_test_LDFLAGS): New variable.
4522         (relro_strip_test_LDADD): New variable.
4523         (relro_strip_test.so): New target.
4524
4525 2010-08-02  Ian Lance Taylor  <iant@google.com>
4526
4527         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4528         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4529         (Target_i386::got_tlsdesc_section): New function.
4530         (Target_i386::got_section): Create space for GOT entries for
4531         TLSDESC relocations.
4532         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4533         R_386_TLS_GOTDESC.
4534         (Target_i386::Scan::global): Likewise.
4535         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4536         using TLSDESC GOT.
4537         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4538         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4539         (Target_x86_64::got_tlsdesc_section): New function.
4540         (Target_x86_64::got_section): Create space for GOT entries for
4541         TLSDESC relocations.
4542         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4543         R_386_TLS_GOTDESC.
4544         (Target_x86_64::Scan::global): Likewise.
4545         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4546         using TLSDESC GOT.
4547
4548 2010-08-02  Ian Lance Taylor  <iant@google.com>
4549
4550         * testsuite/final_layout.sh: Use dc to convert from hex to
4551         decimal.
4552
4553 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4554
4555         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4556         paramter to the call to gold::gc_process_relocs.
4557         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4558         paramter to the call to gold::gc_process_relocs.
4559         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4560         parameter to the call to gold::gc_process_relocs.
4561         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4562         template parameter to the call to gold::gc_process_relocs.
4563         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4564         paramter to the call to gold::gc_process_relocs.
4565         * gc.h (get_embedded_addend_size): New function.
4566         (gc_process_relocs): Save the size of the reloc for use by ICF.
4567         * icf.cc (get_section_contents): Get the addend from the text section
4568         for SHT_REL relocation sections.
4569         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4570         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4571         * int_encoding.h (read_from_pointer): New overloaded function.
4572         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4573         * testsuite/icf_sht_rel_addend_test.sh: New file.
4574         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4575         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4576
4577 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4578
4579         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4580         * Makefile.in: Regenerate.
4581         * testsuite/Makefile.in: Regenerate.
4582
4583 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4584
4585         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4586         * gold/testsuite/debug_msg.cc: Likewise.
4587         * gold/testsuite/odr_violation1.cc
4588         * gold/testsuite/odr_violation2.cc
4589
4590 2010-07-21  Cary Coutant  <ccoutant@google.com>
4591
4592         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4593         string, and length fields.
4594         (Output_merge_string::Merged_strings_list): New type.
4595         (Output_merge_string::Merged_strings_lists): New typedef.
4596         (Output_merge_string): Replace merged_strings_ with
4597         merged_strings_lists_.
4598         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4599         Merged_strings_list per input object and section.  Don't store pointer
4600         to the string.  Don't store length with each merged string entry.
4601         (Output_merge_string::finalize_merged_data): Loop over list of merged
4602         strings lists.  Recompute length of each merged string.
4603
4604 2010-07-15  Cary Coutant  <ccoutant@google.com>
4605
4606         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4607         here.
4608
4609 2010-07-14  Ian Lance Taylor  <iant@google.com>
4610
4611         * descriptors.cc (Descriptors::open): Report correct name in error
4612         message.
4613
4614 2010-07-13  Doug Kwan  <dougkwan@google.com>
4615
4616         * arm.cc (Arm_input_section::Arm_input_section): For a
4617         SHT_ARM_EXIDX section, always keeps the input sections.
4618         (Arm_input_section::set_exidx_section_link): New method.
4619         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4620         has_errors_ to false.
4621         (Arm_exidx_input_section::has_errors,
4622         Arm_exidx_input_section::set_has_errors): New methods.
4623         (Arm_exidx_input_section::has_errors_): New data member.
4624         (Arm_relobj::get_exidx_shndx_list): New method.
4625         (Arm_output_section::append_text_sections_to_list): Do not skip
4626         section without SHF_EXECINSTR.
4627         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4628         errors.
4629         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4630         section header.  Make error messages more verbose.  Check for
4631         a non-executable section linked to an EXIDX section.
4632         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4633         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4634         check that there is no deferred EXIDX section if we exit early.
4635         Instead of not making an EXIDX section in case of an error, make one
4636         and set the has_errors flag of it.
4637         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4638         in a relocatable link.
4639         (Target_arm::do_relax): Look for the EXIDX output section instead of
4640         assuming that it is called .ARM.exidx.
4641         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4642         section list.  Do not check for SHF_EXECINSTR section flags but
4643         skip any input section with errors.
4644         * output.cc (Output_section::Output_section): Initialize
4645         always_keeps_input_sections_ to false.
4646         (Output_section::add_input_section): Check for
4647         always_keeps_input_sections_.
4648         *  output.h (Output_section::always_keeps_input_sections,
4649         Output_section::set_always_keeps_input_sections): New methods.
4650         (Output_section::always_keeps_input_sections): New data member.
4651
4652 2010-07-13  Rafael Espindola  <espindola@google.com>
4653
4654         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4655         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4656
4657 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4658             Ian Lance Taylor  <iant@google.com>
4659
4660         * output.h (Output_section_lookup_maps::add_merge_section):
4661         Correct check of whether value was inserted.
4662         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4663         (Output_section_lookup_maps::add_relaxed_input_section):
4664         Likewise.
4665         * arm.cc (Target_arm::got_section): Remove used local os.
4666         * i386.cc (Target_i386::got_section): Likewise.
4667         * x86_64.cc (Target_x86_64::got_section): Likewise.
4668         * sparc.cc (Target_sparc::got_section): Likewise.
4669         (Target_sparc::relocate): Remove unused local have_got_offset.
4670         * powerpc.cc (Target_powerpc::relocate): Likewise.
4671
4672 2010-07-13  Ian Lance Taylor  <iant@google.com>
4673
4674         * compressed_output.cc (zlib_decompress): Fix signature in
4675         !HAVE_ZLIB_H case.
4676
4677         * archive.cc (Archive::include_member): Unlock an external member
4678         of a thin archive.  Don't bother to delete an object we know is
4679         NULL.
4680
4681 2010-07-12  Cary Coutant  <ccoutant@google.com>
4682
4683         * compressed_output.cc (zlib_decompress): New function.
4684         (get_uncompressed_size): New function.
4685         (decompress_input_section): New function.
4686         * compressed_output.h (get_uncompressed_size): New function.
4687         (decompress_input_section): New function.
4688         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4689         Handle compressed debug sections.
4690         * layout.cc (is_compressed_debug_section): New function.
4691         (Layout::output_section_name): Map compressed section names to
4692         canonical names.
4693         * layout.h (is_compressed_debug_section): New function.
4694         (is_debug_info_section): Recognize compressed debug sections.
4695         * merge.cc: Include compressed_output.h.
4696         (Output_merge_data::do_add_input_section): Handle compressed
4697         debug sections.
4698         (Output_merge_string::do_add_input_section): Handle compressed
4699         debug sections.
4700         * object.cc: Include compressed_output.h.
4701         (Sized_relobj::Sized_relobj): Initialize new data members.
4702         (build_compressed_section_map): New function.
4703         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4704         * object.h (Object::section_is_compressed): New method.
4705         (Object::do_section_is_compressed): New method.
4706         (Sized_relobj::Compressed_section_map): New type.
4707         (Sized_relobj::do_section_is_compressed): New method.
4708         (Sized_relobj::compressed_sections_): New data member.
4709         * output.cc (Output_section::add_input_section): Handle compressed
4710         debug sections.
4711         * reloc.cc: Include compressed_output.h.
4712         (Sized_relobj::write_sections): Handle compressed debug sections.
4713
4714 2010-07-08  Cary Coutant  <ccoutant@google.com>
4715
4716         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4717         weak when resolving to a dynamic def.
4718         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4719         for weak undef/dynamic def cases. Adjust callers.
4720         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4721         undef_binding_weak_.
4722         (Symbol_table::sized_write_globals): Adjust symbol binding.
4723         (Symbol_table::sized_write_symbol): Add binding parameter.
4724         * symtab.h (Symbol::set_undef_binding): New method.
4725         (Symbol::is_undef_binding_weak): New method.
4726         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4727         (Symbol_table::should_override): Add new parameter.
4728         (Symbol_table::sized_write_symbol): Add new parameter.
4729
4730         * testsuite/weak_undef_file1.cc: Add new test case.
4731         * testsuite/weak_undef_file2.cc: Fix header comment.
4732         * testsuite/weak_undef_test.cc: Add new test case.
4733
4734 2010-06-29  Doug Kwan  <dougkwan@google.com>
4735
4736         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4737         Initialize USE_SYMBOL_.
4738         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4739         definition.
4740         (Arm_reloc_property::uses_symbol_): New data member declaration.
4741         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4742         uses symbol value and symbol is undefined but not weakly undefined.
4743
4744 2010-06-28  Rafael Espindola  <espindola@google.com>
4745
4746         * plugin.cc (Plugin::load): Use dlerror.
4747
4748 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4749
4750         * symtab.cc (detect_odr_violations): When reporting an ODR
4751         violation, report an object where the symbol is defined.
4752
4753 2010-06-25  Doug Kwan  <dougkwan@google.com>
4754
4755         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4756         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4757         definition.
4758         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4759         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4760         target hook to detect function points.
4761         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4762         * icf.h (Icf::check_section_for_function_pointers): Change type of
4763         parameter SECTION_NAME to const reference to std::string.  Use
4764         target hook to determine if section may have unsafe pointers.
4765         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4766         method definition.
4767
4768 2010-06-21  Rafael Espindola  <espindola@google.com>
4769
4770         * fileread.cc (Input_file::find_fie): New
4771         (Input_file::open): Use Input_file::find_fie.
4772         * fileread.h (Input_file::find_fie): New
4773         * plugin.cc (set_extra_library_path): New.
4774         (Plugin::load): Add set_extra_library_path to the transfer vector.
4775         (Plugin_manager::set_extra_library_path): New.
4776         (Plugin_manager::add_input_file): Use the extra search path if set.
4777         (set_extra_library_path(): New.
4778         * plugin.h (Plugin_manager): Add set_extra_library_path and
4779         extra_search_path_.
4780
4781 2010-06-19  Cary Coutant  <ccoutant@google.com>
4782
4783         * layout.cc (gdb_sections): Add .debug_types.
4784         (lines_only_debug_sections): Likewise.
4785
4786 2010-06-18  Rafael Espindola  <espindola@google.com>
4787
4788         * plugin.cc (add_input_file,add_input_library)
4789         (Plugin_manager::add_input_file): Make filename arguments const.
4790         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4791         const.
4792
4793 2010-06-16  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4796         .ARM.attributes section if we have not merged any input
4797         attributes sections.
4798
4799 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4800
4801         * arm.cc: Allow combining objects with no EABI version
4802         information.
4803
4804 2010-06-15  Rafael Espindola  <espindola@google.com>
4805
4806         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4807
4808 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4809
4810         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4811         (struct iovec): Correct !HAVE_READV definition.
4812
4813 2010-06-10  Cary Coutant  <ccoutant@google.com>
4814
4815         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4816         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4817         reloc sections.
4818         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4819
4820         PR 11683
4821         * symtab.h (Symbol::is_placeholder): New member function.
4822         * target-reloc.h (relocate_section): Check for placeholder symbols.
4823
4824         * testsuite/Makefile.am (plugin_test_8): New test.
4825         (plugin_test_9): New test.
4826         * testsuite/Makefile.in: Regenerate.
4827
4828 2010-06-09  Nick Clifton  <nickc@redhat.com>
4829
4830         * yyscript.y (input_list_element): Allow strings prefixed with
4831         the '-' character.  Treat these as libraries.
4832         * script.cc (script_add_library): New function.  Adds a library
4833         specified by "-l<name>" found in an input script.
4834         * script-c.h: Add prototype for script_add_library.
4835
4836 2010-06-07  Doug Kwan  <dougkwan@google.com>
4837
4838         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4839         Restrict stub-group size to be within long conditional branch
4840         range when working around cortex-A8 erratum.
4841
4842 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4843
4844         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4845         #ifdef typo.
4846
4847 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4848
4849         PR gold/11658
4850         * output.cc
4851         (Output_section::Input_section_sort_entry::compare_section_ordering):
4852         Change to return non-zero correctly.
4853         (Output_section::Input_section_sort_section_order_index_compare
4854         ::operator()): Change to fix ambiguity in comparisons.
4855
4856 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4857
4858         * gold.h (is_wildcard_string): New function.
4859         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4860         (Layout::layout_eh_frame): Ditto.
4861         (Layout::find_section_order_index): New method.
4862         (Layout::read_layout_from_file): New method.
4863         * layout.h (Layout::find_section_order_index): New method.
4864         (Layout::read_layout_from_file): New method.
4865         (Layout::input_section_position_): New private member.
4866         (Layout::input_section_glob_): New private member.
4867         * main.cc (main): Call read_layout_from_file here.
4868         * options.h (--section-ordering-file): New option.
4869         * output.cc (Output_section::input_section_order_specified_): New
4870         member.
4871         (Output_section::Output_section): Initialize new member.
4872         (Output_section::add_input_section): Add new parameter.
4873         Keep input sections when --section-ordering-file is used.
4874         (Output_section::set_final_data_size): Sort input sections when
4875         section ordering file is specified.
4876         (Output_section::Input_section_sort_entry): Add new parameter.
4877         Check sorting type.
4878         (Output_section::Input_section_sort_entry::compare_section_ordering):
4879         New method.
4880         (Output_section::Input_section_sort_compare::operator()): Change to
4881         consider section_order_index.
4882         (Output_section::Input_section_sort_init_fini_compare::operator()):
4883         Change to consider section_order_index.
4884         (Output_section::Input_section_sort_section_order_index_compare
4885         ::operator()): New method.
4886         (Output_section::sort_attached_input_sections): Change to sort
4887         according to section order when specified.
4888         (Output_section::add_input_section<32, true>): Add new parameter.
4889         (Output_section::add_input_section<64, true>): Add new parameter.
4890         (Output_section::add_input_section<32, false>): Add new parameter.
4891         (Output_section::add_input_section<64, false>): Add new parameter.
4892         * output.h (Output_section::add_input_section): Add new parameter.
4893         (Output_section::input_section_order_specified): New
4894         method.
4895         (Output_section::set_input_section_order_specified): New method.
4896         (Input_section::Input_section): Initialize section_order_index_.
4897         (Input_section::section_order_index): New method.
4898         (Input_section::set_section_order_index): New method.
4899         (Input_section::section_order_index_): New member.
4900         (Input_section::Input_section_sort_section_order_index_compare): New
4901         struct.
4902         (Output_section::input_section_order_specified_): New member.
4903         * script-sections.cc (is_wildcard_string): Delete and move modified
4904         method to gold.h.
4905         (Output_section_element_input::Output_section_element_input): Modify
4906         call to is_wildcard_string.
4907         (Output_section_element_input::Input_section_pattern
4908         ::Input_section_pattern): Ditto.
4909         (Output_section_element_input::Output_section_element_input): Ditto.
4910         * testsuite/Makefile.am (final_layout): New test case.
4911         * testsuite/Makefile.in: Regenerate.
4912         * testsuite/final_layout.cc: New file.
4913         * testsuite/final_layout.sh: New file.
4914
4915 2010-06-01  Rafael Espindola  <espindola@google.com>
4916
4917         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4918
4919 2010-06-01  Rafael Espindola  <espindola@google.com>
4920
4921         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4922         visibility of symbols.
4923
4924 2010-05-27  Doug Kwan  <dougkwan@google.com>
4925
4926         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4927         from start of output section instead of address for a local symbol
4928         in a merged or relaxed section when doing a relocatable link.
4929
4930 2010-05-26  Rafael Espindola  <espindola@google.com>
4931
4932        PR 11604
4933         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4934         adding sections the garbage collector removed.
4935         * gold/testsuite/Makefile.am: Add test.
4936         * gold/testsuite/Makefile.in: Regenerate.
4937         * gold/testsuite/plugin_test_7.sh: New.
4938         * gold/testsuite/plugin_test_7_1.c: New.
4939         * gold/testsuite/plugin_test_7_2.c: New.
4940
4941 2010-05-26  Rafael Espindola  <espindola@google.com>
4942
4943         * script-sections.cc (Output_section_definition::set_section_addresses):
4944         Check for --section-start.
4945
4946 2010-05-26  Doug Kwan  <dougkwan@google.com>
4947
4948         * arm.cc (Arm_scan_relocatable_relocs): New class.
4949         (Target_arm::relocate_special_relocatable): New method.
4950         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4951         (Arm_relocate_functions::thumb_branch_common): Same.
4952         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4953         instead of Default_scan_relocatable_relocs.
4954         * target-reloc.h (relocate_for_relocatable): Let target handle
4955         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4956         * target.h (Sized_target::relocate_special_relocatable): New method.
4957
4958 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4959
4960         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4961
4962 2010-05-23  Doug Kwan  <dougkwan@google.com>
4963
4964         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4965         instead of a cast.
4966         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4967         with a direct branch, not a conditional branch, to a stub.
4968         * merge.cc (Output_merge_base::record_input_section): New method
4969         defintion.
4970         (Output_merge_data::do_add_input_section): Record input section if
4971         keeps-input-sections flag is set.
4972         (Output_merge_string::do_add_input_section): Ditto.
4973         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4974         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4975         INPUT_SECTIONS_.
4976         (Output_merge_base::keeps_input_sections,
4977         Output_merge_base::set_keeps_input_sections,
4978         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4979         method definitions.
4980         (Output_merge_base::Input_sections): New type declaration.
4981         (Output_merge_base::input_sections_begin,
4982         Output_merge_base::input_sections_end,
4983         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4984         (Output_merge_base::bool keeps_input_sections_,
4985         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4986         Output_merge_base::input_sections_): New data members.
4987         (Output_merge_data::do_set_keeps_input_sections): New method
4988         defintion.
4989         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4990         * output.cc (Output_section::Input_section::relobj): Move method
4991         defintion from class declaration to here and handle merge sections.
4992         (Output_section::Input_section::shndx): Ditto.
4993         (Output_section::Output_section): Remove initializations of removed
4994         data members and initialize new data member LOOKUP_MAPS_.
4995         (Output_section::add_input_section): Set keeps-input-sections flag
4996         for a newly created merge output section as appropriate.  Adjust code
4997         to use Output_section_lookup_maps class.
4998         (Output_section::add_relaxed_input_section): Adjst code for lookup
4999         maps code refactoring.
5000         (Output_section::add_merge_input_section): Add a new parameter
5001         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5002         class.  If adding input section to a newly created merge output
5003         section fails, remove the new merge section.
5004         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5005         Adjust code for use of the Output_section_lookup_maps class.
5006         (Output_section::find_merge_section): Ditto.
5007         (Output_section::build_lookup_maps): New method defintion.
5008         (Output_section::find_relaxed_input_section): Adjust code to use
5009         Output_section_lookup_maps class.
5010         (Output_section::get_input_sections): Export merge sections.  Adjust
5011         code to use Output_section_lookup_maps class.
5012         (Output_section:::add_script_input_section): Adjust code to use
5013         Output_section_lookup_maps class.  Update lookup maps for merge
5014         sections also.
5015         (Output_section::discard_states): Use Output_section_lookup_maps.
5016         (Output_section::restore_states): Same.
5017         * output.h (Merge_section_properties): Move class defintion out of
5018         Output_section.
5019         (Output_section_lookup_maps): New class.
5020         (Output_section::Input_section::is_merge_section): New method
5021         defintion.
5022         (Output_section::Input_section::relobj): Move defintion out of class
5023         defintion.  Declare method only.
5024         (Output_section::Input_section::shndx): Ditto.
5025         (Output_section::Input_section::output_merge_base): New method defintion.
5026         (Output_section::Input_section::u2_.pomb): New union field.
5027         (Output_section::Merge_section_by_properties_map,
5028         Output_section::Output_section_data_by_input_section_map,
5029         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5030         Remove types.
5031         (Output_section::add_merge_input_section): Add new parameter
5032         KEEPS_INPUT_SECTIONS.
5033         (Output_section::build_lookup_maps): New method declaration.
5034         (Output_section::merge_section_map_,
5035         Output_section::merge_section_by_properties_map_,
5036         Output_section::relaxed_input_section_map_,
5037         Output_section::is_relaxed_input_section_map_valid_): Remove data
5038         members.
5039         (Output_section::lookup_maps_): New data member.
5040
5041 2010-05-21  Doug Kwan  <dougkwan@google.com>
5042
5043         PR gold/11619
5044         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5045         avoid a compilation error.
5046
5047 2010-05-19  Rafael Espindola  <espindola@google.com>
5048
5049         * script-sections.cc (Output_section_definition::allocate_to_segment):
5050         Update the phdrs_list even when the output section is NULL.
5051         * testsuite/Makefile.am: Add test.
5052         * testsuite/Makefile.in: Regenerate.
5053         * testsuite/script_test_9.cc: New.
5054         * testsuite/script_test_9.sh: New.
5055         * testsuite/script_test_9.t: New.
5056
5057 2010-05-19  Doug Kwan  <dougkwan@google.com>
5058
5059         * arm.cc (Arm_input_section::original_size): New method.
5060         (Arm_input_section::do_addralign): Add a cast.
5061         (Arm_input_section::do_output_offset): Remove static cast.
5062         (Arm_input_section::original_addralign,
5063          Arm_input_section::original_size_): Change type to uint32_t.
5064         (Arm_input_section::init): Add safe casts for section alignment
5065         and size.
5066         (Arm_input_section::set_final_data_size): Do not set address and
5067         offset of stub table.
5068         (Arm_output_section::fix_exidx_coverage): Change use of of
5069         Output_section::Simple_input_section to that of
5070         Output_section::Input_section.
5071         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5072         except for the first pass.
5073         * output.cc (Output_section::get_input_sections): Change type of
5074         input_sections to std::list<Input_section>.
5075         (Output_section::add_script_input_section): Rename from
5076         Output_section::add_simple_input_section.  Change type of SIS
5077         parameter from Simple_input_section to Input_section.
5078         * output.h (Output_section::Simple_input_section): Remove class.
5079         (Output_section::Input_section): Change class visibility to public.
5080         (Output_section::Input_section::addralign): Use stored alignments
5081         for special input sections if set.
5082         (Output_section::Input_section::set_addralign): New method.
5083         (Output_section::get_input_sections): Change parameter type from
5084         list of Simple_input_section to list of Input_section.
5085         (Output_section::add_script_input_section): Rename from
5086         Output_section::add_simple_input_section. Change first parameter's
5087         type from Simple_input_section to Input_section and remove the
5088         second and third parameters.
5089         * script-sections.cc (Input_section::Input_section_list): Change
5090         type to list of Output_section::Input_section/
5091         (Input_section_info::Input_section_info): Change parameter type of
5092         INPUT_SECTION to Output_section::Input_section.
5093         (Input_section_info::input_section): Change return type.
5094         (Input_section_info::input_section_): Change type to
5095         Output_section::Input_section.
5096         (Output_section_element_input::set_section_addresses): Adjust code
5097         to use Output_section::Input_section instead of
5098         Output_section::Simple_input_section.  Adjust code for renaming
5099         of Output_section::add_simple_input_section.
5100         (Orphan_output_section::set_section_addresses): Ditto.
5101
5102 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5103
5104         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5105         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5106
5107 2010-05-18  Rafael Espindola  <espindola@google.com>
5108
5109         * options.cc (General_options::finalize): Handle -nostdlib.
5110         * options.h (nostdlib): New option.
5111         * script.cc (script_add_search_dir): Handle -nostdlib.
5112
5113 2010-05-12  Doug Kwan  <dougkwan@google.com>
5114
5115         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5116         attributes section only if there no attributes section after merging.
5117         (Target_arm::merge_object_attributes): Move value of
5118         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5119         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5120         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5121         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5122         and arm_attr_merge_7.stdout.
5123         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5124         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5125         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5126         arm_attr_merge_7b.o): New rules.
5127         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5128         arm_attr_merge_7
5129         * testsuite/Makefile.in: Regenerate.
5130         * testsuite/arm_attr_merge.sh: New file.
5131         * testsuite/arm_attr_merge_[67][ab].s: Same.
5132
5133 2010-05-05  Nick Clifton  <nickc@redhat.com>
5134
5135         * po/es.po: Updated Spanish translation.
5136
5137 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5138
5139         * Makefile.am (install-exec-local): Properly install gold as
5140         default cross linker.
5141         * Makefile.in: Regenerated.
5142
5143 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5144             Nick Clifton  <nickc@redhat.com>
5145
5146         * configure.ac (install_as_default): Define and set to false
5147         unless --enable-gold or --enable-gold=both/gold has been
5148         specified.
5149         * configure: Regenerate.
5150
5151         * Makefile.am (install-exec-local): Install the executable as
5152         'ld.gold'.  If install_as_default is true then also install it as
5153         'ld'.
5154         * Makefile.in: Regenerated.
5155
5156 2010-04-24  Ian Lance Taylor  <iant@google.com>
5157
5158         * layout.cc (Layout::layout_reloc): In relocatable link don't
5159         combine reloc sections for grouped sections.
5160
5161 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5162
5163         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5164         sections that are not ordinary to icf.
5165         * icf.cc (get_section_contents): Handle relocation pointing to section
5166         with no object or shndx information.
5167         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5168         * testsuite/Makefile.in: Regenerate.
5169         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5170         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5171
5172 2010-04-22  Ian Lance Taylor  <iant@google.com>
5173
5174         * expression.cc (Expression::Expression_eval_info): Add
5175         result_alignment_pointer field.
5176         (Expression::eval_with_dot): Add result_alignment_pointer
5177         parameter.  Change all callers.
5178         (Expression::eval_maybe_dot): Likewise.
5179         (class Binary_expression): Add alignment_pointer parameter to
5180         left_value and right_value.  Change all callers.
5181         (BINARY_EXPRESSION): Set result alignment.
5182         (class Trinary_expression): Add alignment_pointer parameter to
5183         arg2_value and arg3_value.  Change all callers.
5184         (Trinary_cond::value): Set result alignment.
5185         (Max_expression::value, Min_expression::value): Likewise.
5186         (Align_expression::value): Likewise.
5187         * script-sections.cc (class Sections_element): Add dot_alignment
5188         parameter to set_section_addresses virtual function.  Update
5189         instantiations.
5190         (class Output_section_element): Likewise.
5191         (Script_sections::create_segments): Add dot_alignment parameter.
5192         Change all callers.
5193         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5194         (Script_sections::set_phdrs_clause_addresses): Likewise.
5195         * script-sections.h: Update declarations.
5196         * script.h: Update declarations.
5197         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5198         min_p_align.
5199         * testsuite/script_test_3.t: Set large alignment.
5200         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5201         segment has expected alignment.
5202
5203 2010-04-22  Nick Clifton  <nickc@redhat.com>
5204
5205         * po/gold.pot: Updated by the Translation project.
5206         * po/vi.po: Updated Vietnamese translation.
5207
5208 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5209
5210         * testsuite/Makefile.am (check_PROGRAMS): Add
5211         icf_virtual_function_folding_test.
5212         * testsuite/Makefile.in: Regenerated.
5213
5214 2010-04-15  Andrew Haley  <aph@redhat.com>
5215
5216         * options.h (merge_exidx_entries): New option.
5217         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5218         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5219         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5220         (Target_arm::merge_exidx_entries): New function.
5221         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5222         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5223         to Arm_exidx_fixup constructor.
5224         Add new arg, merge_exidx_entries.
5225         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5226         Arm_output_section::fix_exidx_coverage.
5227
5228 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5229
5230         * icf.cc (get_section_contents): Check for preemptible functions.
5231         Ignore addend when appropriate.
5232         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5233         section folded.
5234         (add_from_relobj): Check for section folded.
5235         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5236         * symtab.h (should_add_dynsym_entry): Add new parameter.
5237         * target-reloc.h (scan_relocs): Check for section folded.
5238         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5239         Check reloc types for function pointers in shared objects.
5240         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5241         case.
5242         (icf_preemptible_functions_test): New test case.
5243         (icf_string_merge_test): New test case.
5244         * testsuite.Makefile.in: Regenerate.
5245         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5246         bar_glob.  Refactor code.
5247         * testsuite/icf_preemptible_functions_test.cc: New file.
5248         * testsuite/icf_preemptible_functions_test.sh: New file.
5249         * testsuite/icf_string_merge_test.cc: New file.
5250         * testsuite/icf_string_merge_test.sh: New file.
5251         * testsuite/icf_virtual_function_folding_test.cc: New file.
5252         * testsuite/icf_virtual_function_folding_test.sh: New file.
5253
5254 2010-04-14  Doug Kwan  <dougkwan@google.com>
5255
5256         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5257         for local symbol recounting if we remove a section due to ICF.
5258         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5259         there are no regular objects in input.
5260
5261 2010-04-13  Doug Kwan  <dougkwan@google.com>
5262
5263         * arm.cc (Arm_input_section::set_final_data_size): Compute
5264         accurate final data size instead of using current data size.
5265
5266 2010-04-09  Doug Kwan  <dougkwan@google.com>
5267
5268         * layout.cc (Layout::choose_output_section): Handle script section
5269         types.
5270         (Layout::make_output_section_for_script): Add section type parameter.
5271         Handle script section types.
5272         * layout.h (Layout::make_output_section_for_script): Add section
5273         type parameter.
5274         * output.cc (Output_section::Output_section): Initialize data member
5275         is_noload_.
5276         (Output_section::do_reset_address_and_file_offset): Do not set address
5277         to 0 if section is a NOLOAD section.
5278         * output.h (Output_section::is_noload): New method.
5279         (Output_section::set_is_noload): Ditto.
5280         (Output_section::is_noload_): New data member.
5281         * script-c.h (Script_section_type): New enum type.
5282         (struct Parser_output_section_header): Add new file section_type.
5283         * script-sections.cc (Sections_element::output_section_name): Add
5284         parameter for returning script section type.
5285         (Output_section_definition::output_section_name): Ditto.
5286         (Output_section_definition::section_type)P; New method.
5287         (Output_section_definiton::script_section_type_name): Ditto.
5288         (Output_section_definition::script_section_type_): New data member.
5289         (Output_section_definition::Output_section_definition): Initialize
5290         data member Output_section_definition::script_section_type_.
5291         (Output_section_definition::create_sections): Pass script section type
5292         to Layout::make_output_section_for_script.
5293         (Output_section_definition::output_section_name): Return script
5294         section type to caller.
5295         (Output_section_definition::set_section_address): Do not advance
5296         dot value and load address if section type is NOLOAD.  Set address
5297         of NOLOAD sections regardless of section flags.
5298         (Output_section_definition::print): Print section type if it is
5299         not SCRIPT_SECTION_TYPE_NONE.
5300         (Output_section_definition::section_type): New method.
5301         (Output_section_definition::script_section_type_name): Ditto.
5302         (Script_sections::output_section_name): Add new parameter
5303         PSECTION_TYPE for returning script section type.  Pass it to
5304         section elements.  Handle discard sections.
5305         (Sort_output_sections::operator()): Handle NOLOAD sections.
5306         * script-sections.h (Script_sections::Section_type): New enum type.
5307         (Script_sections::output_section_name): Add a new parameter for
5308         returning script section type.
5309         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5310         INFO and NOLOAD.
5311         * yyscript.y (union): Add new field SECTION_TYPE.
5312         (COPY, DSECT, INFO, NOLOAD): New tokens.
5313         (opt_address_and_section_type): Change type to output_section_header.
5314         (section_type): New non-terminal
5315         (section_header): Handle section type.
5316         (opt_address_and_section_type): Return section type value.
5317
5318 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5319
5320         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5321         * testsuite/plugin_common_test_2.c (foo): Likewise.
5322
5323 2010-04-08  Doug Kwan  <dougkwan@google.com>
5324
5325         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5326         Output_merge_data.
5327         * output.cc (Output_section::add_merge_input_section): Simplify
5328         code and return status of Output_merge_base::add_input_section.
5329         Update merge section map only if Output_merge_base::add_input_section
5330         returns true.
5331
5332 2010-04-07  Doug Kwan  <dougkwan@google.com>
5333
5334         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5335         if section is marked as containing instructions but has no mapping
5336         symbols.
5337         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5338         correct section index.
5339         (Arm_relobj::find_linked_text_section): Ditto.
5340
5341 2010-04-07  Cary Coutant  <ccoutant@google.com>
5342
5343         * archive.cc (include_member): Destroy Read_symbols_data object before
5344         releasing file.
5345         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5346         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5347         (Read_symbols_data::~Read_symbols_data) New destructor.
5348         (Section_relocs::Section_relocs) New constructor.
5349         (Section_relocs::~Section_relocs) New destructor.
5350         (Read_relocs_data::Read_relocs_data) New constructor.
5351         (Read_relocs_data::~Read_relocs_data) New destructor.
5352         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5353         pointers to NULL after deleting.
5354
5355 2010-04-07  Doug Kwan  <dougkwan@google.com>
5356
5357         * arm.cc: Replace "endianity" with "endianness" in comments.
5358         (Arm_exidx_cantunwind): Ditto.
5359         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5360         (Arm_relobj::merge_flags_and_attributes): New method.
5361         (Arm_relobj::merge_flags_and_attributes_): New data member.
5362         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5363         (Arm_relobj::scan_sections_for_stubs): Ditto.
5364         (Arm_relobj::do_read_symbols): Check to see if we really want to
5365         merge processor-specific flags and attributes.  Exit early if
5366         an object is empty except for section names and the undefined symbol.
5367         (Target_arm::do_finalize_sections): Move check for ELF format to
5368         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5369         attributes from a regular object only when we have determined that
5370         it is aapropriate.  Do not create an .ARM.attributes section in
5371         output if there is no regular input object.
5372         (Target_arm::merge_processor_specific_flags): Check
5373         --warn-mismatch before printing any error.
5374         (Target_arm::merge_object_attributes): Ditto.
5375         * gold.cc (queue_middle_tasks): Handle the case in which there is
5376         no regular object in input.
5377         * options.cc (General_options::parse_EB): New method.
5378         (General_options::parse_EL): Same.
5379         (General_options::General_options): Initialize endianness_.
5380         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5381         New options.
5382         (General_options::Endianness): New enum.
5383         (General_options::endianness): New method.
5384         (General_options::endianness_): New data member.
5385         * parameters.cc (Parameters::set_options): Check target endianness.
5386         (Parameters::set_target_once): Ditto.
5387         (Parameters::check_target_endianness): New method.
5388         (parameters_force_valid_target): If either -EL or -EB is specified,
5389         use it to define endianness of default target.
5390         * parameters.h (Parameters::check_target_endianness): New method
5391         declaration.
5392         * target.h (class Target): Change "endianity" to "endianness"
5393         in comments.
5394
5395 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5396
5397         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5398         * configure: Regenerate.
5399         * Makefile.in: Regenerate.
5400         * testsuite/Makefile.in: Regenerate.
5401
5402 2010-04-06  Cary Coutant  <ccoutant@google.com>
5403
5404         gcc PR lto/42757
5405         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5406         prevailing definitions of common symbols.
5407         * testsuite/plugin_test_6.sh: New test case.
5408         * testsuite/plugin_common_test_1.c: New test case.
5409         * testsuite/plugin_common_test_2.c: New test case.
5410         * testsuite/Makefile.am (plugin_test_6): New test case.
5411         * testsuite/Makefile.in: Regenerate.
5412
5413 2010-04-06  Nick Clifton  <nickc@redhat.com>
5414
5415         * po/vi.po: New Vietnamese translation.
5416
5417 2010-03-30  Doug Kwan  <dougkwan@google.com>
5418
5419         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5420
5421 2010-03-25  Doug Kwan  <dougkwan@google.com>
5422
5423         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5424         to avoid a conversion warning on a 32-bit host.
5425
5426 2010-03-24  Ian Lance Taylor  <iant@google.com>
5427
5428         * testsuite/script_test_3.t: Add a TLS segment.
5429         * testsuite/Makefile.am (check_PROGRAMS): Add
5430         tls_phdrs_script_test.
5431         (tls_phdrs_script_test_SOURCES): Define.
5432         (tls_phdrs_script_test_DEPENDENCIES): Define.
5433         (tls_phdrs_script_test_LDFLAGS): Define.
5434         (tls_phdrs_script_test_LDADD): Define.
5435         * testsuite/Makefile.in: Rebuild.
5436
5437 2010-03-23  Cary Coutant  <ccoutant@google.com>
5438
5439         * fileread.cc (find_or_make_view): Fix comment.
5440
5441 2010-03-23  Ian Lance Taylor  <iant@google.com>
5442
5443         * script-sections.cc (class Orphan_section_placement): Define
5444         PLACE_TLS and PLACE_TLS_BSS.
5445         (Orphan_section_placement::Orphan_section_placement): Initialize
5446         new places.
5447         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5448         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5449         (tls_script_test_SOURCES): Define.
5450         (tls_script_test_DEPENDENCIES): Define.
5451         (tls_script_test_LDFLAGS): Define.
5452         (tls_script_test_LDADD): Define.
5453         * testsuite/Makefile.in: Rebuild.
5454
5455 2010-03-22  Doug Kwan  <dougkwan@google.com>
5456
5457         * arm.cc (Arm_relocate_functions::abs8,
5458         Arm_relocate_functions::abs16): Use correct check for overflow
5459         specified in the ARM ELF specs.
5460         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5461         target of a BLX instruction specially.
5462         (Reloc_stub::stub_type_for_reloc): Ditto.
5463         (Relocate::relocate): Use symbolic names instead of numeric relocation
5464         codes to report error.
5465         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5466         workaround.
5467         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5468         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5469         thumb2_blx_out_of_range.stdout
5470         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5471         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5472         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5473         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5474         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5475         thumb2_blx_in_range, thumb2_blx_in_range.o,
5476         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5477         thumb2_blx_out_of_range.o): New rules.
5478         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5479         thumb2_blx_in_range and thumb2_blx_out_of_range.
5480         * testsuite/Makefile.in: Regenerate.
5481         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5482         * testsuite/thumb_blx_in_range.s: New file.
5483         * testsuite/thumb_blx_out_of_range.s: New file.
5484
5485 2010-03-22  Rafael Espindola  <espindola@google.com>
5486
5487         * archive.cc (Should_include): Move to archive.h.
5488         (should_include_member): Make it a member of Archive.
5489         (Lib_group): New.
5490         (Add_lib_group_symbols): New.
5491         * archive.h: Include options.h.
5492         (Archive_member): Moved from Archive.
5493         (Should_include): Moved from archive.cc.
5494         (Lib_group): New.
5495         (Add_lib_group_symbols): New.
5496         * dynobj.cc (do_should_include_member): New.
5497         * dynobj.h (do_should_include_member): New.
5498         * gold.cc (queue_initial_tasks): Update call to queue.
5499         * main.cc (main): Print lib group stats.
5500         * object.cc (do_should_include_member): New.
5501         * object.h: Include archive.h.
5502         (Object::should_include_member): New.
5503         (Object::do_should_include_member): New.
5504         (Sized_relobj::do_should_include_member): New.
5505         * options.cc (General_options::parse_start_lib): New.
5506         (General_options::parse_end_lib): New.
5507         (Input_arguments::add_file): Handle lib groups.
5508         (Input_arguments::start_group): Check we are not in a lib.
5509         (Input_arguments::start_lib): New.
5510         (Input_arguments::end_lib): New.
5511         * options.h (General_options): Add start_lib and end_lib.
5512         (Input_argument::lib_): New.
5513         (Input_argument::lib): New.
5514         (Input_argument::is_lib): New.
5515         (Input_file_lib): New.
5516         (Input_arguments::in_lib_): New.
5517         (Input_arguments::in_lib): New.
5518         (Input_arguments::start_lib): New.
5519         (Input_arguments::end_lib_): New.
5520         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5521         in unused members as preempted.
5522         (Sized_pluginobj::do_should_include_member): New.
5523         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5524         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5525         return the blocker.
5526         (Read_symbols::do_whole_lib_group): New.
5527         (Read_symbols::do_lib_group): New.
5528         (Read_symbols::do_read_symbols): Handle lib groups.
5529         (Read_symbols::get_name): Handle lib groups.
5530         * readsyms.h (Read_symbols): Add an archive member pointer.
5531         (Read_symbols::do_whole_lib_group): New.
5532         (Read_symbols::do_lib_group): New.
5533         (Read_symbols::member_): New.
5534         * script.cc (read_input_script): Update call to queue_soon.
5535
5536 2010-03-19  Doug Kwan  <dougkwan@google.com>
5537
5538         * arm.cc (Stub_table::Stub_table): Initialize new data members
5539         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5540         (Stub_table::add_reloc_stub): Assign stub offset and update
5541         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5542         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5543         New data members.
5544         (Stub_table::update_data_size_and_addralign): Use
5545         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5546         instead of going over all reloc stubs.
5547         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5548         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5549         Stringpool_template::offset_ to size of Stringpool_char.
5550         (Stringpool_template::new_key_offset): Remove code to initialize
5551         Stringpool_template::offset_.
5552         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5553         Stringpool_template::offset_ to zero.
5554
5555 2010-03-15  Doug Kwan  <dougkwan@google.com>
5556
5557         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5558         offset_.
5559         (Stringpool_template::new_key_offset): New method.
5560         (Stringpool_template::add_string): Assign offsets when adding new
5561         strings.
5562         (Stringpool_template::set_string_offsets): Do not set string offsets
5563         when not optimizing.
5564         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5565         member size_.
5566         (Chunked_vector::clear): Clear size_.
5567         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5568         (Chunked_vector::size): Return size_.
5569         (Chunked_vector::push_back): Use size_ to find insert position.
5570         (Chunked_vector::size_): New data member.
5571         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5572         (Stringpool_template::new_key_offset): New method declaration.
5573         (Stringpool_template::offset_): New data member.
5574
5575 2010-03-15   Rafael Espindola  <espindola@google.com>
5576
5577         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5578         Add_symbols' constructor.
5579         * readsyms.h (Add_symbols): Remove the input_group member.
5580
5581 2010-03-10  Ian Lance Taylor  <iant@google.com>
5582
5583         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5584         target to ask whether a reference to a symbol requires a stack
5585         split.
5586         * target.h (Target::is_call_to_non_split): New function.
5587         (Target::do_is_call_to_non_split): Declare virtual function.
5588         * target.cc: Include "symtab.h".
5589         (Target::do_is_call_to_non_split): New function.
5590         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5591
5592 2010-03-10  Cary Coutant  <ccoutant@google.com>
5593
5594         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5595         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5596         (File_read::open[2]): Add whole_file_view_ to list of views.
5597         (File_read::make_view): Remove test of whole_file_view_.
5598         (File_read::find_or_make_view): Create whole_file_view_ if
5599         necessary.
5600         (File_read::clear_views): Replace bool parameter with enum;
5601         adjust all callers.  Don't delete views with permanent data;
5602         do delete cached views and views from archives if
5603         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5604         if clearing the corresponding view.
5605         * fileread.h (File_read::Clear_views_mode): New enum.
5606         (File_read::View::is_permanent_view): New method.
5607         (File_read::clear_views): Replace bool parameter
5608         with enum; adjust all callers.
5609         * options.h (General_options): Change keep_files_mapped option;
5610         add map_whole_files.
5611         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5612         releasing the file.
5613         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5614         the file.
5615
5616 2010-03-10  David S. Miller  <davem@davemloft.net>
5617
5618         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5619
5620 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5621
5622         * icf.cc (get_section_contents): Add '@' marker after processing the
5623         merge reloc.
5624
5625 2010-03-08  Doug Kwan  <dougkwan@google.com>
5626
5627         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5628         due to a conversion warning.
5629         (Arm_relobj::update_output_local_symbol_count): Check for local
5630         symbol with unset output index.
5631
5632 2010-03-05  Ian Lance Taylor  <iant@google.com>
5633
5634         * options.h (class General_options): Add --spare-dynamic-tags.
5635         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5636         --spare-dynamic-tags.
5637
5638 2010-03-05  Ian Lance Taylor  <iant@google.com>
5639
5640         * incremental.cc: Include "libiberty.h".
5641
5642 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5643
5644         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5645         function, is_info_ member.
5646         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5647         (Versions::Versions): Update caller.
5648         (Versions::define_base_version): Likewise.
5649         (Versions::add_def): Likewise.
5650
5651 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5652
5653         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5654         (Scan::possible_function_pointer_reloc): New function.
5655         (Scan::local_reloc_may_be_function_pointer): Change to call
5656         possible_function_pointer_reloc.
5657         (Scan::global_reloc_may_be_function_pointer): Ditto.
5658         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5659         relocations in ".data.rel.ro._ZTV" section.
5660         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5661         * testsuite/icf_safe_so_test.cc: Ditto.
5662         * testsuite/icf_safe_test.cc: Ditto.
5663         * testsuite/icf_safe_test.sh: Ditto.
5664
5665 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5666             Ian Lance Taylor  <iant@google.com>
5667
5668         * target-reloc.h (relocate_section): Check the symbol table index
5669         for -1U before setting the local symbol index.
5670         (scan_relocatable_relocs): If copying the relocation, record that
5671         the local symbol is required.
5672         * object.h (Symbol_value::is_output_symtab_index_set): New
5673         function.
5674         (Symbol_value::may_be_discarded_from_output_symtab): New
5675         function.
5676         (Symbol_value::has_output_symtab_entry): New function.
5677         (Symbol_value::needs_output_symtab_entry): Remove.
5678         (Symbol_value::output_symtab_index): Make sure the symbol index is
5679         set.
5680         (Symbol_value::set_output_symtab_index): Make sure the symbol
5681         index is not set.  Make sure the new index is valid.
5682         (Symbol_value::set_must_have_output_symtab_entry): New function.
5683         (Symbol_value::has_output_dynsym_entry): New function.
5684         (Symbol_value::set_output_dynsym_index): Make sure the new index
5685         is valid.
5686         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5687         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5688         local symbol if permitted.
5689         (Sized_relobj::do_finalize_local_symbols): Call
5690         is_output_symtab_index_set rather than needs_output_symtab_entry.
5691         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5692         rather than needs_output_symtab_entry.  Call
5693         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5694         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5695         is_output_symtab_index_set rather than needs_output_symtab_entry.
5696         * testsuite/discard_locals_relocatable_test.c: New file.
5697         * testsuite/discard_locals_test.sh: Test -r.
5698         * testsuite/Makefile.am (check_DATA): Add
5699         discard_locals_relocatable_test1.syms,
5700         discard_local_relocatable_test2.syms.
5701         (MOSTLYCLEANFILES): Likewise.  Also add
5702         discard_locals_relocatable_test1.lout and
5703         discard_locals_relocatable_test2.out.
5704         (discard_locals_relocatable_test1.syms): New target.
5705         (discard_locals_relocatable_test.o): New target.
5706         (discard_locals_relocatable_test1.out): New target.
5707         (discard_locals_relocatable_test2.syms): New target.
5708         (discard_locals_relocatable_test2.out): New target.
5709         (various): Add missing ../ld-new dependencies.
5710         * testsuite/Makefile.in: Rebuild.
5711
5712 2010-03-03  Nick Clifton  <nickc@redhat.com>
5713
5714         * po/fi.po: New Finnish translation.
5715
5716 2010-03-01  Doug Kwan  <dougkwan@google.com>
5717
5718         * layout.cc (Layout::Layout): Force section types of .init_array*,
5719         .preinit_array* and .fini_array* sections.
5720         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5721         Fix check of return value of std::string::find.().
5722         (Output_section::Input_section_sort_compare::operator()): Remove
5723         comment about .init_array.
5724         (Output_section::Input_section_sort_init_fini_compare::operator()):
5725         New method.
5726         (Output_section::sort_attached_input_sections): Handle .init_array
5727         and .fini_array specially.
5728         * output.h (Output_section::Inut_section_sort_compare): Update
5729         comment.
5730         (Output_section::Input_section_sort_init_fini_compare): New struct.
5731
5732 2010-02-26  Doug Kwan  <dougkwan@google.com>
5733
5734         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5735         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5736         * testsuite/debug_msg.sh: Avoid matching source line number for
5737         use of global variable undef_int.
5738
5739 2010-02-26  Doug Kwan  <dougkwan@google.com>
5740
5741         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5742         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5743         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5744         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5745         * options.cc (General_options::General_options): Initialize member
5746         fix_v4bx_.
5747         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5748         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5749         and rm_no_fix_v4bx.stdout
5750         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5751         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5752         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5753         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5754         and arm_no_fix_v4bx.
5755         * Makefile.in: Regenerate.
5756         * testsuite/arm_fix_v4bx.s: New file.
5757         * testsuite/arm_fix_v4bx.sh: Ditto.
5758
5759 2010-02-24  Doug Kwan  <dougkwan@google.com>
5760
5761         * arm.cc (Target_arm::got_section): Make the .got section the first
5762         non RELRO section in the data segment.
5763         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5764         suffixes of section names.
5765
5766 2010-02-24  Doug Kwan  <dougkwan@google.com>
5767
5768         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5769         flags and attributes merging if an input file is a binary file.
5770         * fileread.cc (Input_file::open): Record format of original file.
5771         * fileread.h (Input_file::Format): New enum type.
5772         (Input_file::Input_file): Initialize data member format_.
5773         (Input_file::format): New method definition.
5774         (Input_file::format_):: New data member.
5775
5776 2010-02-24  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc (Arm_output_data_got): New class.
5779         (ARM_TCB_SIZE): New constant
5780         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5781         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5782         If user uses a script with a SECTIONS clause, issue only a warning
5783         for a misplaced EXIDX input section.  Otherwise, issue an error.
5784         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5785         garbage collection.
5786         (Target_arm::got_mode_index_entry): Handle static linking.
5787         (Target_arm::Scan::local): Ditto.
5788         (Target_arm::Scan::global): Ditto.
5789         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5790         all incorrectly implemented relocations.
5791         (Target_arm::fix_exidx_coverage): Pass layout to
5792         Arm_output_section::fix_exidx_coverage.
5793         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5794         from ".ARM.exidx." and ".ARM.extab.".
5795
5796 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5797
5798         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5799         section if it does not already exist.
5800         * attributes.cc (Attributes_section_data::Attributes_section_data):
5801         Don't crash if size is zero.
5802
5803 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5804             Ian Lance Taylor  <iant@google.com>
5805
5806         * gold.cc (queue_middle_tasks): If no input files were opened,
5807         exit.
5808         * workqueue.h (Task_function::Task_function): Assert that there is
5809         a blocker.
5810
5811 2010-02-22  Doug Kwan  <dougkwan@google.com>
5812
5813         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5814         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5815         types to avoid warnings due to different uint64_t implementations
5816         on different hosts.
5817
5818 2010-02-21  Doug Kwan  <dougkwan@google.com>
5819
5820         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5821         handling of the maximum backward branch offset.
5822         (Arm_relocate_functions::thumb_branch_common): Ditto.
5823         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5824         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5825         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5826         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5827         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5828         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5829         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5830         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5831         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5832         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5833         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5834         thumb2_bl_out_of_range.o): New rules.
5835         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5836         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5837         thumb2_bl_out_of_range
5838         * testsuite/Makefile.in: Regenerate.
5839         * testsuite/arm_bl_in_range.s: New file.
5840         * testsuite/arm_bl_out_of_range.s: Ditto.
5841         * testsuite/arm_branch_in_range.sh: Ditto.
5842         * testsuite/arm_branch_range.t: Ditto.
5843         * testsuite/thumb2_branch_range.t: Ditto.
5844         * testsuite/thumb_bl_in_range.s: Ditto.
5845         * testsuite/thumb_bl_out_of_range.s: Ditto.
5846         * testsuite/thumb_branch_range.t: Ditto.
5847
5848 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5849
5850         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5851         Add reloc offset information.
5852         * icf.cc (get_section_contents): Change iterators to point to the new
5853         vectors. Add reloc offset information to the contents.
5854         * icf.h (Icf::Sections_reachable_info): New typedef.
5855         (Icf::Sections_reachable_list): New typedef.
5856         (Icf::Offset_info): New typedef.
5857         (Icf::Reloc_info): New struct typedef.
5858         (Icf::Reloc_info_list): New typedef.
5859         (Icf::symbol_reloc_list): Delete method.
5860         (Icf::addend_reloc_list): Delete method.
5861         (Icf::section_reloc_list): Delete method.
5862         (Icf::reloc_info_list): New method.
5863         (Icf::reloc_info_list_): New member.
5864
5865 2010-02-19  Doug Kwan  <dougkwan@google.com>
5866
5867         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5868         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5869         * arm.cc (Arm_relocation_functions): New forward declaration.
5870         (Target_arm::Target_arm): Initialize new data members
5871         got_mod_index_offset_ and tls_base_symbol_defined_.
5872         (Target_arm::Relocate::relocate_tls): New method.
5873         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5874          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5875         New methods.
5876         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5877         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5878         (Target_arm::got_mod_index_offset_,
5879         Target_arm::tls_base_symbol_defined_): New data members.
5880         (Target_arm::Scan::local, Target::Scan::global,
5881         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5882         relocations.
5883
5884 2010-02-18  Doug Kwan  <dougkwan@google.com>
5885
5886         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5887         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5888         text section as a parameter becuase some broken tools may not set
5889         the link in section header.
5890         (Target_arm::has_got_section): New method.
5891         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5892         without any mapping symbol as data only.  Remove warning.
5893         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5894         link in its section header, try to discover the link by inspecting the
5895         REL31 relocation at the beginning of the section.
5896         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5897         in error message.
5898         (Target_arm::Scan::global): Treat any reference to the symbol
5899         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5900
5901 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5902
5903         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5904         (Scan::global_reloc_may_be_function_pointer): New function.
5905         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5906         (Scan::global_reloc_may_be_function_pointer): New function.
5907         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5908         (Scan::global_reloc_may_be_function_pointer): New function.
5909         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5910         (Scan::global_reloc_may_be_function_pointer): New function.
5911         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5912         (Scan::global_reloc_may_be_function_pointer): New function.
5913         (Scan::possible_function_pointer_reloc): New function.
5914         (Target_x86_64::can_check_for_function_pointers): New function.
5915         * gc.h (gc_process_relocs): Scan relocation types to determine if
5916         function pointers were taken for targets that support it.
5917         * icf.cc (Icf::find_identical_sections): Include functions for
5918         folding in safe ICF whose pointer is not taken.
5919         * icf.h (Secn_fptr_taken_set): New typedef.
5920         (fptr_section_id_): New member.
5921         (section_has_function_pointers): New function.
5922         (set_section_has_function_pointers): New function.
5923         (check_section_for_function_pointers): New function.
5924         * options.h: Fix comment for safe ICF option.
5925         * target.h (can_check_for_function_pointers): New function.
5926         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5927         Modify icf_safe_test for X86-64.
5928         * testsuite/Makefile.in: Regenerate.
5929         * testsuite/icf_safe_so_test.cc: New file.
5930         * testsuite/icf_safe_so_test.sh: New file.
5931         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5932         (main): Change to take pointer to function kept_func_3.
5933         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5934         folding is done correctly for X86-64.
5935
5936 2010-02-12  David S. Miller  <davem@davemloft.net>
5937
5938         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5939         is_symbolless parameter.
5940         (Output_reloc<SHT_REL>::is_symbolless): New.
5941         (Output_reloc<SHT_REL>::is_symbolless_): New.
5942         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5943         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5944         (Output_reloc<SHT_RELA>::is_symbolless): New.
5945         (Output_data_reloc::add_global): Handle is_symbolless.
5946         (Output_data_reloc::add_global_relative): Likewise.
5947         (Output_data_reloc::add_local): Likewise.
5948         (Output_data_reloc::add_local_relative): Likewise.
5949         (Output_data_reloc::add_symbolless_global_addend): New.
5950         (Output_data_reloc::add_symbolless_local_addend): New.
5951         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5952         is_symbolless.
5953         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5954         instead of ->is_relative_
5955         (Output_reloc::write): Likewise.
5956         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5957         (Output_reloc::write_rel): Simplify.
5958
5959         * sparc.cc (Target_sparc::Scan::local): Use
5960         ->add_symbolless_local_addend as needed.
5961         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5962         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5963         based upon relocation offset.
5964
5965 2010-02-11  Doug Kwan  <dougkwan@google.com>
5966
5967         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5968         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5969         beginning of function.
5970         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5971         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5972         parameter is_32bit in calls to should_apply_static_reloc.
5973         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5974         (check_DATA): Add arm_abs_global.stdout.
5975         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5976         arm_abs_global.stdout): New rules.
5977         (MOSTLLYCLEANFILES): Add arm_abs_global
5978         * Makefile.in: Regenerate.
5979         * testsuite/arm_abs_global.s: New file.
5980         * testsuite/arm_abs_global.sh: Ditto.
5981         * testsuite/arm_abs_lib.s: Ditto.
5982
5983 2010-02-11  Ian Lance Taylor  <iant@google.com>
5984
5985         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5986         Read_relocs task.
5987         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5988         Allocate_commons_task first.
5989         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5990         task, rather than symtab_lock_.
5991         (Gc_process_relocs::~Gc_process_relocs): New function.
5992         (Gc_process_relocs::is_runnable): Check this_blocker_.
5993         (Gc_process_relocs::locks): Use next_blocker_ rather than
5994         blocker_.
5995         (Scan_relocs::~Scan_relocs): New function.
5996         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5997         symtab_lock_.
5998         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5999         next_blocker_.
6000         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6001         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6002         constructor accordingly.
6003         (class Gc_process_relocs): Likewise.
6004         (class Scan_relocs): Likewise.
6005         * common.h (class Allocate_commons_task): Remove symtab_lock_
6006         field, and corresponding constructor parameter.
6007         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6008         symtab_lock_.
6009         (Allocate_commons_task::locks): Likewise.
6010
6011 2010-02-11  Ian Lance Taylor  <iant@google.com>
6012
6013         * gold-threads.h (class Once): Define.
6014         (class Initialize_lock): Rewrite as child of Once.
6015         * gold-threads.cc (class Once_initialize): Define.
6016         (once_pointer_control): New static variable.
6017         (once_pointer, once_arg): New static variables.
6018         (c_run_once): New static function.
6019         (Once::Once, Once::run_once, Once::internal_run): New functions.
6020         (class Initialize_lock_once): Remove.
6021         (initialize_lock_control): Remove.
6022         (initialize_lock_pointer): Remove.
6023         (initialize_lock_once): Remove.
6024         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6025         (Initialize_lock::initialize): Rewrite.
6026         (Initialize_lock::do_run_once): New function.
6027         * archive.cc (Archive::interpret_header): Only clear name if it is
6028         not already empty.
6029         * fileread.cc: Include "gold-threads.h"
6030         (file_counts_lock): New static variable.
6031         (file_counts_initialize_lock): Likewise.
6032         (File_read::release): Only increment counts when using --stats.
6033         Use a lock around the increment.
6034         * parameters.cc (class Set_parameters_target_once): Define.
6035         (set_parameters_target_once): New static variable.
6036         (Parameters::Parameters): Move here from parameters.h.
6037         (Parameters::set_target): Rewrite.
6038         (Parameters::set_target_once): New function.
6039         (Parameters::clear_target): Move here and rewrite.
6040         * parameters.h (class Parameters): Update declarations.  Add
6041         set_parameters_target_once_ field.
6042         (Parameters::Parameters): Move to parameters.cc.
6043         (Parameters::clear_target): Likewise.
6044         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6045         task.
6046         (Start_group::~Start_group): New function.
6047         (Start_group::is_runnable): New function.
6048         (Start_group::locks, Start_group::run): New functions.
6049         (Finish_group::run): Change saw_undefined to size_t.
6050         * readsyms.h (class Start_group): Define.
6051         (class Finish_group): Change saw_undefined_ field to size_t.
6052         (Finish_group::Finish_group): Remove saw_undefined and
6053         this_blocker parameters.  Change all callers.
6054         (Finish_group::set_saw_undefined): New function.
6055         (Finish_group::set_blocker): New function.
6056         * symtab.h (class Symbol_table): Change saw_undefined to return
6057         size_t.  Change saw_undefined_ field to size_t.
6058         * target-select.cc (Set_target_once::do_run_once): New function.
6059         (Target_selector::Target_selector): Initialize set_target_once_
6060         field.  Don't initialize lock_ and initialize_lock_ fields.
6061         (Target_selector::instantiate_target): Rewrite.
6062         (Target_selector::set_target): New function.
6063         * target-select.h (class Set_target_once): Define.
6064         (class Target_selector): Update declarations.  Make
6065         Set_target_once a friend.  Remove lock_ and initialize_lock_
6066         fields.  Add set_target_once_ field.
6067
6068 2010-02-10  Ian Lance Taylor  <iant@google.com>
6069
6070         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6071         queueing any tasks.
6072         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6073         (queue_middle_tasks): Add all blockers before queueing any tasks.
6074         (queue_final_tasks): Likewise.
6075         * token.h (Task_token::add_blockers): New function.
6076         * object.h (Input_objects::number_of_relobjs): New function.
6077
6078 2010-02-10  Ian Lance Taylor  <iant@google.com>
6079
6080         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6081         shared, not if not position independent.
6082         * x86_64.cc (Relocate::relocate_tls): Likewise.
6083         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6084         (tls_pie_pic_test): New target.
6085         * testsuite/Makefile.in: Rebuild.
6086
6087         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6088         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6089         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6090         * testsuite/Makefile.in: Rebuild.
6091
6092 2010-02-09  David S. Miller  <davem@davemloft.net>
6093
6094         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6095         R_SPARC_RELATIVE using ->add_local_relative().
6096         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6097
6098         * output.h (Output_data_dynamic::add_section_size): New method
6099         that takes two Output_data objects.
6100         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6101         entry param.  Handle it in initializers.
6102         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6103         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6104         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6105         arg.
6106         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6107         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6108         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6109         for dynrel_includes_plt.
6110         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6111         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6112         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6113         before .rela.plt
6114         (Target_sparc::do_finalize_sections): Update to pass true for
6115         dynrel_includes_plt.
6116         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6117         output before .rela.plt
6118         (Target_powerpc::do_finalize_sections): Update to pass true for
6119         dynrel_includes_plt when 32-bit.
6120
6121 2010-02-08  Doug Kwan  <dougkwan@google.com>
6122
6123         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6124         method.
6125         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6126         Arm_relobj::scan_section_for_cortex_a8_stubs,
6127         Arm_relobj::do_relocation_section): Instead of calling
6128         Output_section::output_address, use faster
6129         Arm_relobj::simple_input_section_output_address.
6130
6131 2010-02-08  David S. Miller  <davem@davemloft.net>
6132
6133         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6134         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6135         relocation helper function.
6136
6137         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6138         just like R_SPARC_GOT{10,13,22}.
6139         (Target_sparc::Scan::local): Likewise.
6140         (Target_sparc::Relocate:relocate): Likewise.
6141
6142 2010-02-06  Ian Lance Taylor  <iant@google.com>
6143
6144         * configure.ac: Rewrite targetobjs duplicate removal code to use
6145         only shell constructs.
6146         * configure: Rebuild.
6147
6148 2010-02-05  Doug Kwan  <dougkwan@google.com>
6149
6150         PR 11247
6151         * arm.cc (Arm_relobj::section_is_scannable): New method.
6152         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6153         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6154
6155 2010-02-04  Doug Kwan  <dougkwan@google.com>
6156
6157         PR 11247
6158         * arm-reloc-property.cc (cstdio): Include.
6159         * configure.ac (targetobjs): Remove duplicates.
6160         * configure: Regenerate.
6161         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6162         big and little endian version for a given address size.
6163
6164 2010-02-03  Doug Kwan  <dougkwan@google.com>
6165
6166         * arm-reloc-property.cc
6167         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6168         definition.
6169         * arm-reloc-property.h
6170         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6171         New method definition.
6172         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6173         declaration.
6174         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6175         overflow to N.
6176         (GOT_PREL): Change implemented to Y.
6177         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6178         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6179         (Arm_relocate_functions::movw_abs_nc): Remove method.
6180         (Arm_relocate_functions::movt_abs): Ditto.
6181         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6182         (Arm_relocate_functions::thm_movt_abs): Ditto.
6183         (Arm_relocate_functions::movw_rel_nc): Ditto.
6184         (Arm_relocate_functions::movw_rel): Ditto.
6185         (Arm_relocate_functions::movt_rel): Ditto.
6186         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6187         (Arm_relocate_functions:thm_movw_rel): Ditto.
6188         (Arm_relocate_functions:thm_movt_rel): Ditto.
6189         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6190         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6191         New method definitions.
6192         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6193         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6194         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6195         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6196         (Target_arm::Relocate::relocate): Check for non-static or
6197         unimplemented relocation code and exit early.  Change calls to
6198         Target_arm::reloc_uses_thumb_bit and
6199         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6200         instead.  Refactor code to handle similar relocations to increase
6201         code sharing.  Remove check for unsupported relocation code in switch
6202         statement.
6203         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6204         relocation property table to find out size.  Change error message to
6205         print out the name of a relocation code instead of the numeric value.
6206         (Target_arm::scan_reloc_for_stub): Use relocation property table
6207         instead of calling Target_arm::reloc_uses_thumb_bit().
6208
6209 2010-02-02  Doug Kwan  <dougkwan@google.com>
6210
6211         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6212         types of relaxed input section.
6213
6214 2010-02-02  Doug Kwan  <dougkwan@google.com>
6215
6216         * Makefile.am (HFILES): Add arm-reloc-property.h.
6217         (DEFFILES): New.
6218         (TARGETSOURCES): Add arm-reloc-property.cc
6219         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6220         (libgold_a_SOURCES): $(DEFFILES)
6221         * Makefile.in: Regenerate.
6222         * arm-reloc-property.cc: New file.
6223         * arm-reloc-property.h: New file.
6224         * arm-reloc.def: New file.
6225         * arm.cc: Update comments.
6226         (arm-reloc-property.h): New included header.
6227         (arm_reloc_property_table): New global variable.
6228         (Target_arm::do_select_as_default_target): New method definition.
6229         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6230         arm-reloc-property to targ_extra_obj.
6231         * parameters.cc (set_parameters_target): Call
6232         Target::select_as_default_target().
6233         * target.h (Target::select_as_default_target): New method definition.
6234         (Target::do_select_as_default_target): Same.
6235
6236 2010-02-01  Doug Kwan  <dougkwan@google.com>
6237
6238         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6239         first_output_text_section_.
6240         (Arm_exidx_fixup::first_output_text_section): New method definition.
6241         (Arm_exidx_fixup::first_output_text_section_): New data member.
6242         (Arm_exidx_fixup::process_exidx_section): Record the first text
6243         output section seen.
6244         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6245         and entsize in output section header.
6246
6247 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6248
6249         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6250         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6251         (Arm_relocate_functions::thm_alu11): New Method.
6252         (Arm_relocate_functions::thm_pc8): New Method.
6253         (Arm_relocate_functions::thm_pc12): New Method.
6254         (Target_arm::Scan::local): Handle the relocations.
6255         (Target_arm::Scan::global): Likewise.
6256         (Target_arm::Relocate::relocate): Likewise.
6257         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6258
6259 2010-01-29  Doug Kwan  <dougkwan@google.com>
6260
6261         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6262         of relocation types as ld.
6263
6264 2010-01-29  Doug Kwan  <dougkwan@google.com>
6265
6266         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6267         to public.
6268         (Arm_relocate_functions::thumb_branch_common): Ditto.
6269         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6270         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6271         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6272         Arm_relocate_functions::jump24): Remove.
6273         (Target_arm::Relocate::relocate): Adjust code to call
6274         Arm_relocation_functions::arm_branch_common and
6275         Arm_relocation_functions::thumb_branch_common instead of their removed
6276         wrappers.  Merge switch-cases together to reduce source code size.
6277
6278 2010-01-29  Doug Kwan  <dougkwan@google.com>
6279
6280         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6281         output_local_symbol_count_needs_update_.
6282         (Arm_relobj::output_local_symbol_count_needs_update,
6283          Arm_relobj::set_output_local_symbol_count_needs_update,
6284          Arm_relobj::update_output_local_symbol_count): New methods.
6285         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6286         member.
6287         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6288         of pointed function as in a R_ARM_PREL31 relocation.
6289         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6290         for output local symbol count updating.
6291         (Target_arm::do_relax): Update output local symbol counts in objects
6292         if necessary.
6293         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6294
6295 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6296
6297         * arm.cc: Added support for the ARM relocations:
6298         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6299         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6300         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6301         movw_prel_nc).
6302         (Arm_relocate_functions::movw_rel): New method.
6303         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6304         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6305         thm_movw_prel_nc).
6306         (Arm_relocate_functions::thm_movw_rel): New method.
6307         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6308         thm_movt_prel).
6309         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6310         relocations.
6311         (Target_arm::Scan::global): Likewise.
6312         (Target_arm::Relocate::relocate): Likewise.
6313         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6314         Likewise.
6315
6316 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6317
6318         * arm.cc: Added support for ARM group relocations.
6319         (Target_arm::reloc_needs_sym_origin): New method.
6320         (Arm_relocate_functions::calc_grp_kn): New method.
6321         (Arm_relocate_functions::calc_grp_residual): New method.
6322         (Arm_relocate_functions::calc_grp_gn): New method.
6323         (Arm_relocate_functions::arm_grp_alu): New Method.
6324         (Arm_relocate_functions::arm_grp_ldr): New Method.
6325         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6326         (Arm_relocate_functions::arm_grp_ldc): New Method.
6327         (Target_arm::Scan::local): Handle the ARM group relocations.
6328         (Target_arm::Scan::global): Likewise.
6329         (Target_arm::Relocate::relocate): Likewise.
6330         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6331         Likewise.
6332
6333 2010-01-26  Doug Kwan  <dougkwan@google.com>
6334
6335         * arm.cc (set): Include.
6336         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6337         pointer type.
6338         (Arm_output_section::Text_section_list): New type.
6339         (Arm_output_section::append_text_sections_to_list): New method.
6340         (Arm_output_section::fix_exidx_coverage): Ditto.
6341         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6342         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6343         Relobj::set_section_offset() instead of
6344         Sized_relobj::invalidate_section_offset().
6345         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6346         parameter for section headers. Ignore relocation sections for
6347         unallocated sections and EXIDX sections.
6348         (Target_arm::fix_exidx_coverage): New method.
6349         (Target_arm::output_section_address_less_than): New type.
6350         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6351         linked text section instead of the EXIDX section.
6352         (Arm_output_section::create_stub_group): Add an assertion to check
6353         that this is not an EXIDX output section.
6354         (Arm_output_section::append_text_sections_to_list): New method.
6355         (Arm_output_section::fix_exidx_coverage): Ditto.
6356         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6357         Arm_relobj::section_needs_reloc_stub_scanning.
6358         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6359         first pass.
6360         (Target_arm::fix_exidx_coverage): New method.
6361         * object.h (Relobj::set_output_section): New method.
6362         (Sized_relobj::invalidate_section_offset): Remove method.
6363         (Sized_relobj::do_invalidate_section_offset): Remove method.
6364         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6365
6366 2010-01-25  Doug Kwan  <dougkwan@google.com>
6367
6368         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6369         Fix warning due to signed and unsigned comparison on a 32-bit host.
6370
6371 2010-01-22  Doug Kwan  <dougkwan@google.com>
6372
6373         * arm.cc (Target_arm::do_relax): Record an output section for section
6374         offset adjustment it contains any stub table that has changed.
6375         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6376         offsets in an output section if necessary.
6377         * output.cc (Output_section::Output_section): Initialize
6378         section_offsets_need_adjustments_.
6379         (Output_section::add_input_section_for_script): Renamed to
6380         Output_section::add_simple_input_section.
6381         (Output_section::save_states): Add a comment.
6382         (Output_section::discard_states): New method defintion.
6383         (Output_section::adjust_section_offsets): Same.
6384         * output.h (Output_section::add_input_section_for_script): Renamed to
6385         Output_section::add_simple_input_section.
6386         (Output_section::discard_states): New method declaration.
6387         (Output_section::adjust_section_offsets): Same.
6388         (Output_section::section_offsets_need_adjustment,
6389         Output_section::set_section_offsets_need_adjustment): New method
6390         definitions.
6391         (Output_section::section_offsets_need_adjustment_): New data member.
6392         * script-sections.cc
6393         (Output_section_element_input::set_section_address): Adjust code for
6394         renaming of Output_section::add_input_section_for_script.
6395         (Orphan_output_section::set_section_address): Same.
6396
6397 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6398
6399         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6400         Fix_v4bx enum values .
6401         * gold/options.h (General_options): New option definitions.
6402         (General_options::fix_v4bx): New method.
6403         (General_options::Fix_v4bx): New enum.
6404         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6405         (General_options::parse_fix_v4bx_interworking): New method.
6406
6407 2010-01-22  Doug Kwan  <dougkwan@google.com>
6408
6409         * arm.cc (Arm_exidx_fixup): New class.
6410
6411 2010-01-21  Doug Kwan  <dougkwan@google.com>
6412
6413         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6414         classes.
6415         (Arm_exidx_section_offset_map): New type.
6416
6417 2010-01-21  Doug Kwan  <dougkwan@google.com>
6418
6419         * arm.cc (Arm_exidx_input_section): New class.
6420         (Arm_relobj::exidx_input_section_by_link,
6421         Arm_relobj::exidx_input_section_by_shndx,
6422         Arm_relobj::make_exidx_input_section): New methods.
6423         (read_arm_attributes_section): Remove.
6424         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6425         information about them.
6426         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6427         to here.
6428
6429 2010-01-20  Doug Kwan  <dougkwan@google.com>
6430
6431         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6432         Input_section_specifier to Section_id.
6433         (Target_arm::new_arm_input_section: Adjust code for change of key
6434         type.
6435         (Target_arm::find_arm_input_section): Ditto.
6436         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6437         (Section_id): Remove.
6438         (Garbage_collection::Section_id_hash): Remove.
6439         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6440         (Section_id): Remove.
6441         (Icf::Section_id_hash): Remove.
6442         * object.h (Section_id, Const_section_id, Section_id_hash,
6443         Const_section_id_hash): New type definitions.
6444         * output.cc (Output_section::add_relaxed_input_section): Change to
6445         use Const_section_id instead of Input_section_specifier as key type.
6446         (Output_section::add_merge_input_section): Ditto.
6447         (Output_section::build_relaxation_map): Change to use Section_id
6448         instead of Input_section_specifier as key type.
6449         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6450         Ditto.
6451         (Output_section::convert_input_sections_to_relaxed_sections): Change
6452         to use Const_section_id instead of Input_section_specifier as key type.
6453         (Output_section::find_merge_section): Ditto.
6454         (Output_section::find_relaxed_input_section): Ditto.
6455         * output.h (Input_section_specifier): Remove class.
6456         (Output_section::Output_section_data_by_input_section_map): Change
6457         key type to Const_section_id.
6458         (Output_section::Output_relaxed_input_section_by_input_section_map):
6459         Ditto.
6460         (Output_section::Relaxation_map): Change key type to Section_id.
6461
6462 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6463
6464         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6465         (class Arm_v4bx_stub): New class.
6466         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6467         (Stub_factory::make_arm_v4bx_stub): New method.
6468         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6469         (Stub_table::empty): Handle v4bx stubs.
6470         (Stub_table::add_arm_v4bx_stub): New method.
6471         (Stub_table::find_arm_v4bx_stub): New method.
6472         (Arm_relocate_functions::v4bx): New method.
6473         (Target_arm::fix_v4bx): New method.
6474         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6475         (Stub_table::relocate_stubs): Likewise.
6476         (Stub_table::do_write): Likewise.
6477         (Stub_table::update_data_size_and_addralign): Likewise.
6478         (Stub_table::finalize_stubs):  Likewise.
6479         (Target_arm::Scan::local): Likewise.
6480         (Target_arm::Scan::global): Likewise.
6481         (Target_arm::do_finalize_sections): Likewise.
6482         (Target_arm::Relocate::relocate): Likewise.
6483         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6484         Likewise.
6485         (Target_arm::scan_reloc_for_stub): Likewise.
6486         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6487
6488 2010-01-19  Ian Lance Taylor  <iant@google.com>
6489
6490         * output.cc (Output_section_headers::do_sized_write): Write large
6491         segment count to sh_info field.
6492         (Output_file_header::do_sized_write): For large segment count,
6493         write PN_XNUM to e_phnum field.
6494
6495 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6496
6497         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6498         (Arm_relocate_functions::thm_jump8): New function.
6499         (Arm_relocate_functions::thm_jump11): New function.
6500         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6501         R_ARM_THM_JUMP11.
6502         (Target_arm::Scan::global): Likewise.
6503         (Target_arm::Relocate::relocate): Likewise.
6504         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6505         Likewise.
6506
6507 2010-01-14  Doug Kwan  <dougkwan@google.com>
6508
6509         * arm.cc (map, utility): Include headers.
6510         (Target_arm::apply_cortex_a8_workaround): New method.
6511         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6512         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6513         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6514         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6515         the --[no-]fix-cortex-a8 command line options.
6516         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6517         (Target_arm::relocate_stub): Use addend in instruction template.
6518         * options.h (DEFINE_bool): Set the user-set flag.
6519         (General_options): Add --[no-]-fix-cortex options.
6520         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6521         : Update fast look-up map after conversion.
6522
6523 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6524
6525         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6526         in the first pass of do_layout.
6527
6528 2010-01-13  Doug Kwan  <dougkwan@google.com>
6529
6530         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6531         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6532         apparent compiler problem of not folding static constant integral
6533         data members of elfcpp::Elf_sizes<32>.
6534
6535 2010-01-13  Doug Kwan  <dougkwan@google.com>
6536
6537         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6538         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6539         Arm_relobj::scan_section_for_cortex_a8_erratum,
6540         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6541         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6542         sections to scan for relocation stubs into a new method
6543         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6544         relocation and Cortex-A8 stub scanning.
6545         (Target_arm::do_relax): Force stubs to be after stubbed sections
6546         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6547         the beginning of a new relaxation pass.  Update a comment.
6548         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6549
6550 2010-01-12  Ian Lance Taylor  <iant@google.com>
6551
6552         * target-reloc.h (visibility_error): New inline function.
6553         (relocate_section): Call visibility_error.
6554         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6555         (MOSTLYCLEANFILES): Likewise.
6556         (protected_4_pic.o, protected_3.err): New targets.
6557         * testsuite/protected_4.cc: New file.
6558
6559 2010-01-12  Doug Kwan  <dougkwan@google.com>
6560
6561         * arm.cc (Cortex_a8_reloc): New class.
6562         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6563         and cortex_a8_relocs_info_.
6564         (Target_arm::fix_cortex_a8): New method definition.
6565         (Target_arm::Cortex_a8_relocs_info): New type.
6566         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6567         New data member declarations.
6568         (Target_arm::scan_reloc_for_stub): Record information about
6569         relocations for THUMB branches that might be exempted from the
6570         Cortex-A8 workaround.
6571         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6572         at the beginning of a relaxation pass.
6573
6574 2010-01-12  Doug Kwan  <dougkwan@google.com>
6575
6576         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6577         (Arm_relobj::Mapping_symbol_position,
6578          Arm_reloj::Mapping_symbol_position_less,
6579          Arm_relobj::Mapping_symbols_info): New types.
6580         (Target_arm::is_mapping_symbol_name): New method definition.
6581         (Arm_relobj::do_count_local_symbols): Save information about mapping
6582         symbols.
6583
6584 2010-01-11  Doug Kwan  <dougkwan@google.com>
6585
6586         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6587         Arm_relocate_functions::thumb32_branch_upper,
6588         Arm_relocate_functions::thumb32_branch_lower,
6589         Arm_relocate_functions::thumb32_cond_branch_offset,
6590         Arm_relocate_functions::thumb32_cond_branch_upper,
6591         Arm_relocate_functions::thumb32_cond_branch_lower,
6592         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6593         branch offset encoding.
6594         (Arm_relocate_functions::thumb_branch_common): Use new branch
6595         offset encoding methods to avoid code duplication.
6596         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6597         (Stub_addend_reader::operator()): Use new branch encoding method
6598         to avoid code duplication.
6599
6600 2010-01-11  Doug Kwan  <dougkwan@google.com>
6601
6602         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6603         (Target_arm::do_finalize_sections): Define special EXIDX section
6604         symbols only if referenced.
6605         * gc.h (Garbage_collection::add_reference): New method.
6606         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6607         code duplication.
6608
6609 2010-01-11  Ian Lance Taylor  <iant@google.com>
6610
6611         * script.cc (Version_script_info::build_expression_list_lookup):
6612         Change complaing about duplicate wildcard match from error to
6613         warning.
6614
6615         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6616         of 2009-12-30.
6617         (Version_script_info::Version_script_info): Initialize globs_,
6618         default_version_, default_is_global_, and exact_.  Don't
6619         initialize globals_ or locals_.
6620         (Version_script_info::build_lookup_tables): Build local symbols
6621         first.
6622         (Version_script_info::unquote): New function.
6623         (Version_script_info::add_exact_match): New function.
6624         (Version_script_info::build_expression_list_lookup): Remove lookup
6625         parameter.  Add is_global parameter.  Change all callers.  Handle
6626         wildcard pattern specially.  Unquote pattern.  Call
6627         add_exact_match.
6628         (Version_script_info::get_name_to_match): New function.
6629         (Version_script_info::get_symbol_version): New function.
6630         (Version_script_info::get_symbol_version_helper): Remove.
6631         (Version_script_info::check_unmatched_names): Call unquote.
6632         * script.h (class Version_script_info): Change get_symbol_version
6633         to be non-inline and add is_global parameter; change all callers.
6634         Rewrite symbol_is_local.  Update declarations.  Define struct
6635         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6636         Remove globals_ and locals_ members.  Add exact_, globs_,
6637         default_version_, is_global_.
6638         (Version_script_info::Glob): Remove pattern, add expression and
6639         is_global.  Update constructor.  Change all callers.
6640         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6641         default version.
6642         (Versions::symbol_section_contents): If a symbol is undefined, or
6643         defined in a dynamic object, set the version index to
6644         VER_NDX_LOCAL.
6645         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6646         symbol_is_local.
6647         (Symbol_table::add_from_pluginobj): Likewise.
6648         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6649
6650 2010-01-11  Doug Kwan  <dougkwan@google.com>
6651
6652         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6653         (incremental_dump_LDADD): Add linking option for libintl.
6654         * Makefile.in: Regenerate.
6655
6656 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6657
6658         PR gold/11144
6659         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6660         instead of -Ds.
6661         * testsuite/Makefile.in: Regenerated.
6662
6663 2010-01-10  Doug Kwan  <dougkwan@google.com>
6664
6665         * options.h (DEFINE_var): Use parentheses around argument varname__
6666         in macro body to avoid any unintended subsequent substitutions.
6667
6668 2010-01-10  Ian Lance Taylor  <iant@google.com>
6669
6670         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6671         candidates before doing symbol resolution.
6672
6673         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6674         ODR candidates if only one is weak.
6675
6676 2010-01-08  Ian Lance Taylor  <iant@google.com>
6677
6678         * script.cc (Version_script_info::build_expression_list_lookup):
6679         Don't warn about ambiguous version, just record the ambiguity.
6680         (Version_script_info::get_symbol_version_helper): Give error if
6681         version is ambiguous.
6682
6683 2010-01-08  Doug Kwan  <dougkwan@google.com>
6684
6685         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6686           prev_data_size_ and prev_addralign_.  Remove initializer for
6687           deleted data member has_been_changed_.
6688           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6689           to determine if the table is empty.
6690           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6691           Remove.
6692           (Stub_table::add_reloc_stub): Define method in class definition
6693           instead of just declaring it there.
6694           (Stub_table::add_cortex_a8_stub): New method definition.
6695           (Stub_table::update_data_size_and_addralign): Ditto.
6696           (Stub_table::finalize_stubs): Ditto.
6697           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6698           (Stub_table::do_addralign_): Return address alignment in the
6699           (Stub_table::do_reset_address_and_file_offset): Define method in
6700           class definition instead of declaring it there.  Set current data
6701           size to be the data size of the previous pass.
6702           (Stub_table::set_final_data_size): Use current data size as the
6703           final data size.
6704           (Stub_table::relocate_stub): Change parameter type of stub from
6705           Reloc_stub pointer to Stub pointer.
6706           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6707           (Stub_table::Cortex_a8_stub_list): New typedef.
6708           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6709            Stub_table::prev_addralign_): New data member.
6710           (Arm_relobj::Arm_relobj): Initialize data member
6711           section_has_cortex_a8_workaround_.
6712           (Arm_relobj::section_has_cortex_a8_workaround,
6713            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6714            definitions.
6715           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6716           declarations.
6717           (Target_arm::relocate_stub): Change parameter type of stub from
6718           Reloc_stub pointer to Stub pointer.
6719           (Insn_template::size, Insn_template::alignment): Handle
6720           THUMB16_SPECIAL_TYPE.
6721           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6722            Stub_table::update_data_size_and_addralign,
6723            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6724           definitions.
6725           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6726           (Stub_table::do_write): Ditto.
6727           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6728
6729 2010-01-08  Ian Lance Taylor  <iant@google.com>
6730
6731         PR 11108
6732         * symtab.h (class Symbol): Remove fields is_target_special_ and
6733         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6734         (Symbol::is_defined_in_discarded_section): New function.
6735         (Symbol::set_is_defined_in_discarded_section): New function.
6736         (Symbol::has_plt_offset): Rewrite.
6737         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6738         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6739         Don't initialize is_target_special_ or has_plt_offset_.
6740         Initialize is_defined_in_discarded_section_.
6741         (Symbol_table::add_from_relobj): If appropriate, set
6742         is_defined_in_discarded_section.
6743         * resolve.cc (Symbol::override_base_with_special): Don't test
6744         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6745         * target-reloc.h (relocate_section): Do special handling for
6746         symbols defined in discarded sections for global symbols as well
6747         as local symbols.
6748
6749 2010-01-08  Ian Lance Taylor  <iant@google.com>
6750
6751         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6752         the SHT_SYMTAB case.
6753
6754 2010-01-08  Ian Lance Taylor  <iant@google.com>
6755
6756         * object.cc (Sized_relobj::do_layout): Don't get confused if
6757         layout_eh_frame returns NULL.
6758
6759 2010-01-08  Ian Lance Taylor  <iant@google.com>
6760
6761         PR 11084
6762         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6763         dynamic symbol table, use the normal symbol table.
6764         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6765         symbol table.
6766
6767 2010-01-08  Ian Lance Taylor  <iant@google.com>
6768
6769         PR 11072
6770         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6771         sections.
6772
6773 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6774
6775         * version.cc (print_version): Change to "Copyright 2010".
6776
6777 2010-01-08  Ian Lance Taylor  <iant@google.com>
6778
6779         PR 10287
6780         PR 11063
6781         * i386.cc (class Target_i386): Change return type of plt_section
6782         to be non-const.
6783         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6784         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6785         tls_desc_rel_ field.
6786         (Output_data_plt_i386::rel_tls_desc): New function.
6787         (Target_i386::rel_tls_desc_section): New function.
6788         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6789         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6790         R_386_TLS_DESC reloc in rel_tls_desc_section.
6791         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6792         Define struct Tlsdesc_info.
6793         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6794         (Target_x86_64::do_reloc_symbol_index): New function.
6795         (Target_x86_64::add_tlsdesc_info): New function.
6796         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6797         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6798         tlsdesc_rel_ field.
6799         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6800         all callers.
6801         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6802         (Target_x86_64::rela_tlsdesc_section): New function.
6803         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6804         handling.
6805         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6806         (Target_x86_64::do_reloc_addend): New function.
6807         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6808         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6809         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6810         (Output_reloc::type): New function.
6811         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6812         (Output_reloc::is_target_specific): New function.
6813         (Output_reloc::target_arg): New function.
6814         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6815         absolute relocs and target specific relocs.
6816         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6817         add_target_specific.
6818         (class Output_data_reloc) [SHT_RELA]: Likewise.
6819         * output.cc (Output_reloc::Output_reloc): Add four new versions
6820         for absolute relocs and target specific relocs.
6821         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6822         (Output_reloc::get_symbol_index): Likewise.
6823         (Output_reloc::local_section_offset): Check that local_sym_index_
6824         is not TARGET_CODE or 0.
6825         (Output_reloc::symbol_value): Likewise.
6826         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6827         reloc.
6828         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6829         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6830         functions.
6831         * layout.cc (add_target_dynamic_tags): Use output section for
6832         DT_PLTRELSZ and DT_JMPREL.
6833
6834 2010-01-07  Ian Lance Taylor  <iant@google.com>
6835
6836         PR 11061
6837         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6838         function.
6839         (class Output_data_reloc_generic): Define.
6840         (class Output_data_reloc_base): Change base class to
6841         Output_data_reloc_generic.  Change add() method to call
6842         bump_relative_reloc_count for a relative reloc.  Remove
6843         sort_relocs_ field.
6844         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6845         to sort_relocs().
6846         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6847         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6848         appropriate.
6849         * layout.h (class Layout): Update declaration.
6850
6851 2010-01-07  Ian Lance Taylor  <iant@google.com>
6852
6853         * output.h (class Output_data): Add const version of
6854         output_section and do_output_section.
6855         (class Output_section_data): Add const version of
6856         do_output_section.
6857         (class Output_section): Likewise.
6858         * layout.cc (Layout::add_target_dynamic_tags): New function.
6859         * layout.h (class Layout): Update declarations.
6860         * arm.cc (Target_arm::do_finalize_sections): Use
6861         add_target_dynamic_tags.
6862         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6863         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6864         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6865         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6866
6867 2010-01-07  Ian Lance Taylor  <iant@google.com>
6868
6869         PR 11042
6870         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6871         object as needed.
6872
6873 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6874             Ian Lance Taylor  <iant@google.com>
6875
6876         PR 11019
6877         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6878         Xindex::read_symtab_xindex.
6879
6880 2010-01-07  Doug Kwan  <dougkwan@google.com>
6881
6882         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6883         (Insn_template::thumb16_bcond_insn): New method declaration.
6884         (Insn_template): Fix spelling.
6885         (Stub::thumb16_special): New method declaration.
6886         (Stub::do_write): Define virtual method which was previously pure
6887         virtual.
6888         (Stub::do_thumb16_special): New method declaration.
6889         (Stub::do_fixed_endian_write): New template member.
6890         (Reloc_stub::do_write): Remove.
6891         (Reloc_stub::do_fixed_endian_write): Remove.
6892         (Cortex_a8_stub): New class definition.
6893         (Stub_factory::make_cortex_a8_stub): New method definition.
6894         (Stub_factory::Stub_factory): Add missing static storage class
6895         qualifier for elf32_arm_stub_a8_veneer_blx.
6896
6897 2010-01-07  Ian Lance Taylor  <iant@google.com>
6898
6899         PR 10980
6900         * options.h (class General_options): Add --warn-unresolved-symbols
6901         and --error-unresolved-symbols.
6902         * errors.cc (Errors::undefined_symbol): Implement
6903         --warn-unresolved-symbols.
6904
6905         * options.h (class General_options): Add -z text and -z textoff.
6906         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6907
6908 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6909
6910         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6911         (Garbage_collection::cident_sections): New function.
6912         (Garbage_collection::add_cident_section): New function.
6913         (Garbage_collection::cident_sections_): New member.
6914         (gc_process_relocs): Add references to sections whose names are C
6915         identifiers.
6916         * gold.h (cident_section_start_prefix): New constant.
6917         (cident_section_stop_prefix): New constant.
6918         (is_cident): New function.
6919         * layout.cc (Layout::define_section_symbols): Replace string constants
6920         with the newly defined constants.
6921         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6922         C identifiers.
6923         * testsuite/Makefile.am: Add gc_orphan_section_test.
6924         * testsuite/Makefile.in: Regenerate.
6925         * testsuite/gc_orphan_section_test.cc: New file.
6926         * testsuite/gc_orphan_section_test.sh: New file.
6927
6928 2010-01-06  Ian Lance Taylor  <iant@google.com>
6929
6930         PR 10980
6931         * options.h (class General_options): Add --warn-shared-textrel.
6932         * layout.cc (Layout::finish_dynamic_section): Implement
6933         --warn-shared-textrel.
6934
6935         PR 10980
6936         * options.h (class General_options): Add --warn-multiple-gp.
6937
6938 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6939
6940         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6941         $(THREADSLIB) and $(LIBDL).
6942         * Makefile.in: Rebuild.
6943
6944 2010-01-06  Ian Lance Taylor  <iant@google.com>
6945
6946         PR 10980
6947         * options.cc (General_options::parse_section_start): New function.
6948         (General_options::section_start): New function.
6949         (General_options::General_options): Initialize all members.
6950         * options.h: Include <map>
6951         (class General_options): Add --section-start.  Add section_starts_
6952         member.
6953         * layout.cc (Layout::attach_allocated_section_to_segment): If
6954         --section-start was used, set the address of the segment.  Remove
6955         local sort_sections.
6956         (Layout::relaxation_loop_body): If the address of the load segment
6957         has been set by --section-start, don't use it.
6958         * output.h (Output_segment::update_flags_for_output_section): New
6959         function.
6960         * output.cc (Output_segment::add_output_section): Call
6961         update_flags_for_output_section.
6962
6963 2010-01-05  Ian Lance Taylor  <iant@google.com>
6964
6965         PR 10980
6966         * options.h (class General_options): Add --undefined-version.
6967         * script.cc (struct Version_expression): Add was_matched_by_symbol
6968         field.
6969         (Version_script_info::matched_symbol): New function.
6970         (Version_script_info::get_symbol_version_helper): Call
6971         matched_symbol.
6972         (Version_script_info::check_unmatched_names): New function.
6973         * script.h (class Version_script_info): Update declarations.
6974         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6975
6976         * options.h (class General_options): Use DEFINE_bool_alias for
6977         allow_multiple_definition.
6978         * resolve.cc (Symbol_table::should_override): Don't test
6979         allow_multiple_definition.
6980
6981         PR 10980
6982         * options.h (class General_options): Add --cref.
6983         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6984         until after printing cref table.
6985         * cref.cc: Include "symtab.h".
6986         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6987         (Cref_table_compare::operator()): New function.
6988         (Cref_inputs::gather_cref): New function.
6989         (filecol): New static const.
6990         (Cref_inputs::print_cref): New function.
6991         (Cref::print_cref): New function.
6992         * cref.h: Include <cstdio>.
6993         (class Cref): Update declarations.
6994         * mapfile.h (Mapfile::file): New function.
6995         * object.h (class Object): Define Symbols.  Declare virtual
6996         do_get_global_symbols.
6997         (Object::get_global_symbols): New function.
6998         * object.cc (Input_objects::add_object): Pass object to cref_ if
6999         --cref.
7000         (Input_objects::archive_start): Likewise.
7001         (Input_objects::archive_stop): Likewise.
7002         (Input_objects::print_cref): New function.
7003         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7004         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7005         --cref.
7006         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7007         function.
7008         * plugin.h (class Sized_pluginobj): Update declarations.
7009
7010 2010-01-05  Ian Lance Taylor  <iant@google.com>
7011
7012         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7013         to is_default_version.  Rename insdef to insdefault.
7014         (Symbol_table::add_from_relobj): Rename def to is_default_version
7015         and local to is_forced_local.
7016         (Symbol_table::add_from_pluginobj): Likewise.
7017         (Symbol_table::add_from_dynobj): Likewise.
7018         (Symbol_table::define_special_symbol): Rename insdef to
7019         insdefault.
7020
7021 2010-01-04  Ian Lance Taylor  <iant@google.com>
7022
7023         PR 10980
7024         * options.h (class General_options): Add
7025         --allow-multiple-definition and -z muldefs.
7026         * resolve.cc (Symbol_table::should_override): Don't warn about a
7027         multiple symbol definition if --allow-multiple-definition or -z
7028         muldefs.
7029
7030         PR 10980
7031         * options.h (class General_options): Add --add-needed and
7032         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7033         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7034         error if --copy-dt-needed-entries aka --add-needed is used and
7035         would cause a change in behaviour.
7036
7037         PR 10980
7038         * options.h (class General_options): Add -G as a short version of
7039         --shared.  Add no-op options -assert, -g, and -i.
7040
7041 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7042
7043         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7044         check for .text or .gnu.linkonce.t sections.
7045         * icf.cc (Icf::find_identical_sections): Ditto.
7046         Change the detection for mangled function name within the section
7047         name.
7048         * icf.h (is_section_foldable_candidate): New function.
7049
7050 2009-12-30  Ian Lance Taylor  <iant@google.com>
7051
7052         PR 10980
7053         * options.h (class General_options): Permit two dashes with
7054         --retain-symbols-file.
7055
7056 2009-12-30  Ian Lance Taylor  <iant@google.com>
7057
7058         PR 10979
7059         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7060         don't put the file header and segment headers in the text
7061         segment.
7062
7063         PR 10979
7064         * common.cc (Sort_commons::operator()): Stabilize sort when both
7065         entries are NULL.
7066         (Symbol_table::do_allocate_commons_list): When allocating common
7067         symbols, skip a symbol which is no longer common.
7068         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7069         an object before checking its type.
7070         * testsuite/common_test_2.c: New file.
7071         * testsuite/common_test_3.c: New file.
7072         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7073         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7074         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7075         (common_test_2_pic.o, common_test_2.so): New targets.
7076         (common_test_3_pic.o, common_test_3.so): New targets.
7077         * testsuite/Makefile.in: Rebuild.
7078
7079         PR 10979
7080         * script.cc (read_input_script): If we see a new SECTIONS clause,
7081         and we have added an input section, give an error.
7082         * layout.h (class Layout): Add have_added_input_section function.
7083         Add have_added_input_section_ field.
7084         * layout.cc (Layout::Layout): Initialize
7085         have_added_input_section_.
7086         (Layout::layout): Set have_added_input_section_.
7087         (Layout::layout_eh_frame): Likewise.
7088
7089 2009-12-30  Ian Lance Taylor  <iant@google.com>
7090
7091         PR 10931
7092         * options.h (class General_options): Add --sort-common option.
7093         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7094         * common.cc (Sort_common): Add sort_order parameter to
7095         constructor.  Add sort_order_ field.
7096         (Sort_commons::operator): Check sort_order_.
7097         (Symbol_table::allocate_commons): Determine the sort order.
7098         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7099         Change all callers.
7100         (Symbol_table::do_allocate_commons_list): Likewise.
7101
7102 2009-12-30  Ian Lance Taylor  <iant@google.com>
7103
7104         PR 10916
7105         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7106         symbols from this object, don't change the visibility of an
7107         undefined symbol.
7108         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7109
7110 2009-12-30  Ian Lance Taylor  <iant@google.com>
7111
7112         PR 10861
7113         * script.h (class Version_script_info): Define Language enum.
7114         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7115         new fields globals_, locals_, and is_finalized_.
7116         * script.cc: Various formatting fixes.
7117         (class Parser_closure): Change language_stack_ from a vector of
7118         std::string to one of Version_script_info::Language.  Adjust all
7119         uses accordingly.
7120         (class Lazy_demangler): Remove.
7121         (struct Version_expression): Change language from std::string to
7122         Version_script_info::Language.
7123         (Version_script_info::Version_script_info): New function.
7124         (Version_script_info::~Version_script_info): Don't call clear.
7125         (Version_script_info::finalize): New function.
7126         (Version_script_info::build_lookup_tables): New function.
7127         (Version_script_info::build_expression_list_lookup): New
7128         function.
7129         (Version_script_info::get_symbol_version_helper): Rewrite to use
7130         lookup tables.
7131         (Version_script_info::print_expression_list): Adjust to use
7132         Version_script_info::Language.
7133         (script_push_lex_into_version_mode): Check that the version script
7134         has not been finalized.
7135         (version_script_push_lang): Change language string to
7136         Version_script_info::Language.
7137         * options.cc (Command_line::version_script): New function.
7138         * options.h (class General_options): Add finalize_dynamic_list
7139         function.  Change version_script from declaration to definition.
7140         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7141         * testsuite/version_script.map: Remove duplicate def of foo.
7142         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7143         version_script.map.
7144         * testsuite/Makefile.in: Rebuild.
7145
7146 2009-12-30  Ian Lance Taylor  <iant@google.com>
7147
7148         PR 10843
7149         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7150         if the input symbol index is 0, make the output symbol index 0.
7151
7152 2009-12-30  Ian Lance Taylor  <iant@google.com>
7153
7154         PR 10670
7155         * options.h (class General_options): Add -x/--discard-all.
7156         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7157         --discard-all.  If the local symbol needs a dynamic entry, check
7158         that before handling --discard-locals.
7159
7160 2009-12-30  Ian Lance Taylor  <iant@google.com>
7161
7162         PR 10450
7163         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7164         flags to PF_R.
7165         (Output_segment::add_output_section): Don't change the flags if
7166         the type is PT_TLS.
7167
7168         PR 10450
7169         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7170         GNU hash table if they need a dynamic value.  Otherwise, don't add
7171         them if they are defined in a dynamic object or are forced local.
7172
7173 2009-12-29  Ian Lance Taylor  <iant@google.com>
7174
7175         PR 10450
7176         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7177         .gnu.hash table for a 32-bit target.
7178
7179         PR 10450
7180         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7181         regular and a dynamic object only needs a dynamic symbol table
7182         entry if it is externally visible.
7183
7184         PR 10450
7185         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7186         constructor.  Add global_offset_table_ field.
7187         (Target_i386::got_section): Set global_offset_table_.
7188         (Target_i386::do_finalize_sections): Set global_offset_table_
7189         size.
7190         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7191         in constructor.  Add global_offset_table_ field.
7192         (Target_x86_64::got_section): Set global_offset_table_.
7193         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7194         size.
7195
7196         * layout.cc (Layout::Layout): Initialize increase_relro_.
7197         (Layout::get_output_section): Add is_relro, is_last_relro, and
7198         is_first_non_relro parameters.  Change all callers.
7199         (Layout::choose_output_section): Likewise.
7200         (Layout::add_output_section_data): Likewise.
7201         (Layout::make_output_section): Likewise.
7202         (Layout::set_segment_offsets): Clear increase_relro when using a
7203         linker script.
7204         * layout.h (class Layout): Add increase_relro method.  Add
7205         increase_relro_ field.  Update declarations.
7206         * output.cc (Output_section::Output_section): Initialize
7207         is_last_relro_ and is_first_non_relro_.
7208         (Output_segment::add_output_section): Group relro sections is
7209         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7210         (Output_segment::maximum_alignment): Remove relro handling.
7211         (Output_segment::set_section_addresses): Add increase_relro
7212         parameter.  Change all callers.  Add initial alignment to align
7213         relro sections on separate page.  Remove old relro handling.
7214         (Output_segment::set_section_list_addresses): Remove in_relro
7215         parameter.  Change all callers.
7216         (Output_segment::set_offset): Add increase parameter.  Change all
7217         callers.  Remove old relro handling.
7218         * output.h (class Output_section): Add new methods: is_last_relro,
7219         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7220         Add is_last_relro_ and is_first_non_relro_ fields.
7221         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7222         Create separate .got.plt section.  Call increase_relro.
7223         * x86_64.cc (Target_x86_64::got_section): Likewise.
7224         * testsuite/relro_script_test.t: Add .got.plt.
7225
7226         PR 10450
7227         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7228         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7229         (Layout::finalize): Call set_dynamic_symbol_size.
7230         (Layout::set_dynamic_symbol_size): New function.
7231         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7232         set_dynamic_symbol_size.
7233
7234         PR 10450
7235         * output.h (class Output_section): Add is_entsize_zero_ field.
7236         * output.cc (Output_section::Output_section): Initialize
7237         is_entsize_zero_.
7238         (Output_section::set_entsize): If two different entsizes are
7239         requested, force it to zero.
7240         (Output_section::add_input_section): Set flags for .debug_str
7241         before updating section flags.  Set entsize.
7242         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7243         and SHF_STRING if all input sections have those flags.
7244
7245 2009-12-29   Rafael Espindola  <espindola@google.com>
7246
7247         * main.cc (main): Fix the sys time reporting.
7248         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7249         reporting.
7250
7251 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7252
7253         * options.cc (General_options::parse_version): Allow -v to exit
7254         without an error if there is nothing to link.
7255
7256 2009-12-29  Ian Lance Taylor  <iant@google.com>
7257
7258         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7259         using a version of gcc before 4.1.
7260         * configure: Rebuild.
7261
7262 2009-12-28  Chris Demetriou  <cgd@google.com>
7263
7264         * attributes.cc (Output_attributes_section_data::do_write): Use
7265         std::vector::front rather than std::vector::data.
7266
7267 2009-12-28  Ian Lance Taylor  <iant@google.com>
7268
7269         * symtab.h (class Symbol_table): Add enum Defined.
7270         * resolve.cc (Symbol_table::should_override): Add defined
7271         parameter.  Change all callers.  Test whether object is NULL
7272         before calling a method on it.
7273         (Symbol_table::report_resolve_problem): Add defined parameter.
7274         Change all callers.
7275         (Symbol_table::should_override_with_special): Likewise.
7276         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7277         parameter.  Change all callers.
7278         (Symbol_table::do_define_in_output_data): Likewise.
7279         (Symbol_table::define_in_output_segment): Likewise.
7280         (Symbol_table::do_define_in_output_segment): Likewise.
7281         (Symbol_table::define_as_constant): Likewise.
7282         (Symbol_table::do_define_as_constant): Likewise.
7283         * script.h (class Symbol_assignment): Add is_defsym parameter to
7284         constructor; change all callers.
7285         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7286         parameter.  Change all callers.  Add is_defsym_ field.
7287         (class Parser_closure): Add parsing_defsym parameter to
7288         constructor; change all callers.  Add parsing_defsym accessor
7289         function.  Add parsing_defsym_ field.
7290
7291 2009-12-28  Ian Lance Taylor  <iant@google.com>
7292
7293         * gold.cc (queue_middle_tasks): Fix formatting.
7294         * object.cc (Relobj::is_section_name_included): Likewise.
7295
7296 2009-12-23  Ian Lance Taylor  <iant@google.com>
7297
7298         * i386.cc (Target_i386::do_calls_non_split): Recognize
7299         -fsplit-stack prologue for a function with a static chain.
7300         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7301         -fsplit-stack prologue when using %r11.
7302
7303 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7304
7305         * options.cc (General_options::parse_version): Make -v continue and do
7306         the link like GNU ld does.
7307
7308 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7309
7310         * Makefile.am (CCFILES): Add timer.cc.
7311         (HFILES): Add timer.h.
7312         * configure.ac: Check for sysconf and times.
7313         * main.cc: include timer.h.
7314         (main): Use Timer instead of get_run_time.
7315         * timer.cc: New.
7316         * timer.h: New.
7317         * workqueue.cc: include timer.h.
7318         (Workqueue::find_and_run_task):
7319         Report user, sys and wall time.
7320         * Makefile.in: Regenerate.
7321         * config.in: Regenerate.
7322         * configure: Regenerate.
7323
7324 2009-12-16  Doug Kwan  <dougkwan@google.com>
7325
7326         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7327         sections.
7328         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7329         relaxed input sections.
7330         * output.cc (Output_section::find_relaxed_input_section): Change
7331         return type to Output_relaxed_input_section pointer.  Adjust code
7332         for new type of relaxed_input_section_map_.
7333         * output.h (Output_section::find_relaxed_input_section): Change
7334         return type to Output_relaxed_input_section pointer.
7335         (Output_section::Output_relaxed_input_section_by_input_section_map):
7336         New type.
7337         (Output_section::relaxed_input_section_map_): Change type to
7338         Output_section::Output_relaxed_input_section_by_input_section_map.
7339         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7340         input section.
7341
7342 2009-12-15  Ian Lance Taylor  <iant@google.com>
7343
7344         * layout.cc (Layout::create_shstrtab): Only write out after input
7345         sections if we are compressing debug sections.
7346
7347 2009-12-15  Ian Lance Taylor  <iant@google.com>
7348
7349         * archive.cc (Archive::add_symbols): Only look up a symbol without
7350         a version if there is, in fact, a version.
7351
7352 2009-12-14  Ian Lance Taylor  <iant@google.com>
7353
7354         Revert -Wshadow changes, all changes from:
7355         2009-12-11  Doug Kwan  <dougkwan@google.com>
7356         2009-12-11  Nick Clifton  <nickc@redhat.com>
7357         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7358
7359 2009-12-11  Doug Kwan  <dougkwan@google.com>
7360
7361         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7362         due to -Wshadow.
7363         * attributes.cc (Object_attribute::size): Ditto.
7364         (Attributes_section_data::size): Ditto.
7365         (Attributes_section_data::Attributes_section_data): Ditto.
7366         (Output_attributes_section_data::do_write): Ditto.
7367         * attributes.h (Object_attribute::set_type): Ditto.
7368         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7369
7370 2009-12-11  Nick Clifton  <nickc@redhat.com>
7371
7372         * archive.cc: Fix shadowed variable warnings.
7373         * arm.cc: Likewise.
7374         * compressed_output.cc: Likewise.
7375         * compressed_output.h: Likewise.
7376         * configure: Likewise.
7377         * dwarf_reader.cc: Likewise.
7378         * dynobj.cc: Likewise.
7379         * dynobj.h: Likewise.
7380         * ehframe.cc: Likewise.
7381         * ehframe.h: Likewise.
7382         * errors.cc: Likewise.
7383         * expression.cc: Likewise.
7384         * fileread.cc: Likewise.
7385         * fileread.h: Likewise.
7386         * freebsd.h: Likewise.
7387         * i386.cc: Likewise.
7388         * icf.cc: Likewise.
7389         * incremental.h: Likewise.
7390         * layout.cc: Likewise.
7391         * layout.h: Likewise.
7392         * mapfile.cc: Likewise.
7393         * merge.cc: Likewise.
7394         * merge.h: Likewise.
7395         * object.cc: Likewise.
7396         * object.h: Likewise.
7397         * options.h: Likewise.
7398         * output.cc: Likewise.
7399         * output.h: Likewise.
7400         * parameters.cc: Likewise.
7401         * plugin.cc: Likewise.
7402         * powerpc.cc: Likewise.
7403         * reduced_debug_output.cc: Likewise.
7404         * reduced_debug_output.h: Likewise.
7405         * reloc.cc: Likewise.
7406         * reloc.h: Likewise.
7407         * resolve.cc: Likewise.
7408         * script-sections.cc: Likewise.
7409         * script.cc: Likewise.
7410         * script.h: Likewise.
7411         * sparc.cc: Likewise.
7412         * symtab.cc: Likewise.
7413         * symtab.h: Likewise.
7414         * target-select.cc: Likewise.
7415         * target-select.h: Likewise.
7416         * token.h: Likewise.
7417         * workqueue.cc: Likewise.
7418         * workqueue.h: Likewise.
7419         * x86_64.cc: Likewise.
7420
7421 2009-12-10  Doug Kwan  <dougkwan@google.com>
7422
7423         * arm.cc (attributes.h): New include.
7424         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7425         (Arm_relobj::~Arm_relobj): Delete object pointed by
7426         attributes_section_data_.
7427         (Arm_relobj::attributes_section_data): New method definition.
7428         (Arm_relobj::attributes_section_data_): New data member declaration.
7429         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7430         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7431         attributes_section_data_.
7432         (Arm_dynobj::attributes_section_data): New method definition.
7433         (Arm_dynobj::attributes_section_data_): New data member declaration.
7434         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7435         initialization value of may_use_blx_ to false.
7436         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7437         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7438         object attributes to compute results instead of hard-coding.
7439         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7440         Target_arm::get_secondary_compatible_arch,
7441         Target_arm::set_secondary_compatible_arch
7442         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7443         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7444         New method declarations.
7445         (Target_arm::get_aeabi_object_attribute): New method definition.
7446         (Target_arm::attributes_section_data_): New data member declaration.
7447         (read_arm_attributes_section): New template definition.
7448         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7449         (Arm_dynobj::do_read_symbols): Ditto.
7450         (Target_arm::do_finalize_sections): Merge attributes sections from
7451         input.  Check for BLX use after attributes section merging.
7452         Fix __exidx_start and __exidx_end visibility.  Create an
7453         .ARM.attributes section if necessary.
7454         (Target_arm::get_secondary_compatible_arch,
7455         Target_arm::set_secondary_compatible_arch,
7456         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7457         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7458         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7459         New method definitions.
7460
7461 2009-12-09  Ian Lance Taylor  <iant@google.com>
7462
7463         * plugin.cc (Plugin::load): Don't cast from void* to a function
7464         pointer.
7465
7466 2009-12-09  Ian Lance Taylor  <iant@google.com>
7467
7468         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7469         information fields.
7470
7471 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7472
7473         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7474         Replace two_file_shared_1.so with two_file_shared_2.so.
7475         * testsuite/Makefile.in: Regenerated.
7476
7477 2009-12-08  Doug Kwan  <dougkwan@google.com>
7478
7479         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7480         (HFILES): Add attributes.h and int_encoding.h.
7481         * Makefile.in: Regenerate.
7482         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7483         function definitions to int_encoding.cc
7484         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7485         prototypes to int_encoding.h
7486         * reduced_debug_output.cc (int_encoding.h): New include.
7487         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7488         function definitions to int_encoding.cc
7489         (insert_into_vector, read_from_pointer): Move template definitions to
7490         int_encoding.h
7491         * attributes.cc: New file.
7492         * attributes.h: New file.
7493         * int_encoding.cc: New file.
7494         * int_encoding.h: New file.
7495
7496 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7497
7498         PR gold/11055
7499         * incremental-dump.cc (dump_incremental_inputs): New.
7500         (main): Use dump_incremental_inputs.
7501
7502 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7503
7504         PR gold/10893
7505         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7506         checking elfcpp::STT_FUNC.
7507         (Target_i386::Relocate::relocate): Likewise.
7508         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7509
7510         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7511         symbols from shared libraries into normal FUNC symbols.
7512
7513         * symtab.h (Symbol): Add is_func and use it.
7514
7515 2009-12-05  Doug Kwan  <dougkwan@google.com>
7516
7517         * arm.cc (Target_arm::arm_info): Initialize new fields
7518         attributes_section and attributes_vendor.
7519         * i386.cc (Target_i386::i386_info): Same.
7520         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7521         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7522         fields attributes_section and attributes_vendor.
7523         * sparc.cc (Target_sparc::sparc_info): Same.
7524         * target.h (Target::attributes_section, Target::attributes_vendor,
7525         Target::is_attributes_section, Target::attribute_arg_type,
7526         Target::attributes_order): New method definitions.
7527         (Target::Target_info::attributes_section,
7528         Target::Target_info::attributes_vendor): New fields.
7529         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7530         virtual method definitions.
7531         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7532         attributes_section and attributes_vendor.
7533         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7534
7535 2009-12-05  Doug Kwan  <dougkwan@google.com>
7536
7537         * arm.cc: Update comments about interworking and stub generation.
7538         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7539         considered as non-PIC.
7540         (Arm_relocate_functions::base_abs): Fix formatting.
7541         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7542         of function to use GOT entry address instead of offset.
7543         (Target_arm::Scan::global): Issue an error if a symbol would need a
7544         PLT does not get one because it is untyped.  Remove code to create
7545         dynamic symbols for relative branches.
7546         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7547         takes unsigned integer instead of boolean.
7548
7549 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7550
7551         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7552         (two_file_test_LDADD): Likewise.
7553         (common_test_1_LDADD): Likewise.
7554         (exception_test_LDADD) Likewise.
7555         (weak_test_LDADD): Likewise.
7556         (many_sections_test_LDADD): Likewise.
7557         (initpri1_LDADD): Likewise.
7558         (script_test_1_LDADD): Likewise.
7559         (script_test_2_LDADD): Likewise.
7560         (justsyms_LDADD): Likewise.
7561         (binary_test_LDADD): Likewise.
7562         (large_LDADD): Likewise.
7563         * testsuite/Makefile.in: Regenerated.
7564
7565 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7566
7567         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7568         (Symbol_table::override_with_special): Likewise.
7569         (Symbol_table::add_from_object): Likewise.
7570
7571 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7572
7573         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7574         Don't set the data_offset twice.
7575
7576 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7577
7578         * testsuite/Makefile.in: Regenerate.
7579
7580 2009-12-03  Doug Kwan  <dougkwan@google.com>
7581
7582         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7583         (Target_arm::do_finalize_sections): Add parameter for symbol table
7584         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7585         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7586         parameter for symbol table pointer.
7587         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7588         an additional parameter for a pointer to symbol table.
7589         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7590         parameter for a symbol table pointer.
7591         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7592         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7593         Ditto.
7594         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7595         parameter for a symbol table pointer.
7596
7597 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7598
7599         * incremental.cc (Incremental_inputs_header)
7600         (Incremental_inputs_header_write, Incremental_inputs_entry)
7601         (Incremental_inputs_entry_write): Move ...
7602         * incremental.h (Incremental_inputs_header)
7603         (Incremental_inputs_header_write, Incremental_inputs_entry)
7604         (Incremental_inputs_entry_write): here.
7605
7606 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7607
7608         * incremental.cc (make_sized_incremental_binary): Set the target.
7609         Error if it is incompatible.
7610         * output.h (Output_file): Add filename method.
7611
7612 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7613
7614         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7615         from the get_* methods.
7616
7617 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7618
7619         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7620         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7621         Write 0 for the data_offset of scripts.
7622
7623 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7624
7625         * testsuite/Makefile.am: Add the incremental_test.sh test.
7626         * testsuite/incremental_test.sh: New.
7627         * testsuite/incremental_test_1.c: New.
7628         * testsuite/incremental_test_2.c: New.
7629
7630 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7631
7632        * incremental-dump.cc (main): Fix typos.
7633
7634 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7635
7636         PR gold/11025
7637         * incremental-dump.cc (main): Use llu to print 64 bit values.
7638
7639 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7640             H.J. Lu  <hongjiu.lu@intel.com>
7641
7642         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7643         $(LIBDL).
7644         (incremental_dump_LDADD): Likewise.
7645         * Makefile.in: Regenerated.
7646
7647 2009-11-25  Doug Kwan  <dougkwan@google.com>
7648
7649         Revert:
7650
7651         2009-11-25  Doug Kwan  <dougkwan@google.com>
7652
7653                 * arm.cc (Target_arm::Target_arm): Move method definition
7654                 outside of class definition.  Add code to handle
7655                 --target1-rel, --target1-abs and --target2= options.
7656                 (Target_arm::get_reloc_reloc_type): Change method to be
7657                 non-static and const.
7658                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7659                 New data member declaration.
7660                 (Target_arm::Scan::local, Target_arm::Scan::global,
7661                 Target_arm::Relocate::relocate,
7662                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7663                 Adjust call to Target_arm::get_real_reloc_type.
7664                 (Target_arm::get_real_reloc_type): Use command line options
7665                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7666                 * options.h (--target1-rel, --target1-abs, --target2): New
7667                 ARM-only options.
7668
7669 2009-11-25  Doug Kwan  <dougkwan@google.com>
7670
7671         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7672         class definition.  Add code to handle --target1-rel, --target1-abs
7673         and --target2= options.
7674         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7675         and const.
7676         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7677         member declaration.
7678         (Target_arm::Scan::local, Target_arm::Scan::global,
7679         Target_arm::Relocate::relocate,
7680         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7681         call to Target_arm::get_real_reloc_type.
7682         (Target_arm::get_real_reloc_type): Use command line options to
7683         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7684         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7685         options.
7686
7687 2009-11-25  Doug Kwan  <dougkwan@google.com>
7688
7689         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7690         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7691         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7692         formatting.
7693         (Arm_relocate_functions::thm_call): Replace body with a call to
7694         Arm_relocate_functions::thumb_branch_common.
7695         (Arm_relocate_functions::thm_jump24,
7696         Arm_relocate_functions::thm_xpc22): New method definitions.
7697         (Arm_relocate_functions::thumb_branch_common): New method definition.
7698         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7699         operator.
7700         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7701         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7702
7703 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7704
7705         * Makefile.am: Build incremental-dump
7706         * Makefile.in: Regenerate.
7707         * incremental-dump.cc: New.
7708         * incremental.cc (Incremental_inputs_header_data,
7709         Incremental_inputs_entry_data): Move to incremental.h
7710         * incremental.h: (Incremental_inputs_header_data,
7711         Incremental_inputs_entry_data): Move from incremental.cc
7712
7713 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7714
7715         * incremental.cc (Incremental_inputs_header,
7716         Incremental_inputs_header_write, Incremental_inputs_entry,
7717         Incremental_inputs_entry_write): Add a typedef with the data type.
7718
7719 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7720
7721         * incremental.cc (Incremental_inputs_header,
7722         Incremental_inputs_header_write, Incremental_inputs_entry,
7723         Incremental_inputs_entry_write): Update comment about which
7724         type has the filed descriptions.
7725
7726 2009-11-15  Doug Kwan  <dougkwan@google.com>
7727
7728         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7729         (Arm_relocate_functions::arm_branch_common): Change method defintion
7730         in class definition to a method declaration and update list of formal
7731         parameters.
7732         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7733         Arm_relocation_functions::jump24): Adjust call to
7734         Arm_relocate_functions::arm_branch_common.  Update list of formal
7735         parameters.
7736         (Arm_relocate_functions::xpc25): New method definition.
7737         (Arm_relocate_functions::arm_branch_common): Move method defintion
7738         out from class definition.  Use stubs for mode-switching and extending
7739         branch ranges.
7740         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7741         specially.  Change code to enable use of stubs in ARM branches.
7742
7743 2009-11-10  Doug Kwan  <dougkwan@google.com>
7744
7745         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7746         in method declaration.
7747         (Target_arm::relocate_stub): New method declaration.
7748         (Target_arm::default_target): Change to return a pointer instead of
7749         a const reference.
7750         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7751         Target_arm::default_target.
7752         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7753         method definition.
7754         (Target_arm::relocate_section): Adjust view.
7755         (Target_arm::relocate_stub): New method definition.
7756
7757 2009-11-10  Doug Kwan  <dougkwan@google.com>
7758
7759         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7760         a format warning.
7761         * incremental.cc (open_incremental_binary): Initialized local
7762         variables to avoid warnings.
7763         * object.cc (make_elf_object): Ditto.
7764         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7765         a format warning.
7766
7767 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7768
7769         PR gold/10930
7770         * testsuite/plugin_test.c: Include "config.h".
7771
7772 2009-11-09  Doug Kwan  <dougkwan@google.com>
7773
7774         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7775         (arm_symbol_value): Remove.
7776         (Arm_relocate_functions::arm_branch_common,
7777         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7778         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7779         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7780         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7781         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7782         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7783         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7784         Arm_relocate_functions::thm_mobw_abs_nc,
7785         Arm_relocate_functions::thm_mov_abs,
7786         Arm_relocate_functions::movw_prel_nc,
7787         Arm_relocate_functions::thm_movt_abs,
7788         Arm_relocate_functions::movt_prel,
7789         Arm_relocate_functions::thm_movw_prel_nc,
7790         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7791         (Target_arm::Relocate::relocate): Only decompose address into two
7792         parts if relocation type uses the thumb-bit and pass the actual
7793         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7794         calls to methods in Arm_relocate_functions for this change.
7795
7796 2009-11-08  Ian Lance Taylor  <iant@google.com>
7797
7798         PR 10925
7799         * reloc.cc: Instantiate
7800         Sized_relobj::initialize_input_to_output_maps and
7801         Sized_relobj:free_input_to_output_maps.
7802
7803 2009-11-06  Ian Lance Taylor  <iant@google.com>
7804
7805         PR 10876
7806         * defstd.cc (in_segment): Set only_if_ref true for "end".
7807
7808 2009-11-06  Doug Kwan  <dougkwan@google.com>
7809
7810         * arm.cc (class Reloc_stub): Correct a comment.
7811         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7812         (Target_arm::scan_section_for_stubs): New method declaration.
7813         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7814         Change methods from private to protected.
7815         (Target_arm::do_may_relax): New method definition.
7816         (Target_arm::do_relax, Target_arm::group_sections,
7817         Target_arm::scan_reloc_for_stub,
7818         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7819         (Target_arm::arm_input_section_map_): New data member declaration.
7820         (Target_arm::scan_reloc_for_stub,
7821         Target_arm::scan_reloc_section_for_stubs,
7822         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7823         Target_arm::do_relax): New method definitions.
7824
7825 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7826
7827         * configure.ac: Check for (struct stat)::st_mtim
7828         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7829         * config.in: Regenerate.
7830         * configure: Regenerate.
7831
7832 2009-11-05  Ian Lance Taylor  <iant@google.com>
7833
7834         PR 10910
7835         * output.cc (Output_segment::add_output_section): Add missing
7836         return statement.
7837
7838 2009-11-04  Ian Lance Taylor  <iant@google.com>
7839
7840         PR 10880
7841         * object.h (class Object): Add is_needed and set_is_needed
7842         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7843         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7844         defined in a dynamic object and referenced by a regular object,
7845         set is_needed for the dynamic object.
7846         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7847         if the file is marked with as_needed and it is not needed.
7848
7849 2009-11-04  Ian Lance Taylor  <iant@google.com>
7850
7851         PR 10887
7852         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7853         tags if data is discarded by linker script.
7854         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7855         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7856         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7857         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7858
7859 2009-11-04  Ian Lance Taylor  <iant@google.com>
7860
7861         * layout.cc (Layout::get_output_section): Add is_interp and
7862         is_dynamic_linker_section parameters.  Change all callers.
7863         (Layout::choose_output_section): Likewise.
7864         (Layout::make_output_section): Likewise.
7865         (Layout::add_output_section_data): Add is_dynamic_linker_section
7866         parameter.  Change all callers.
7867         * layout.h (class Layout): Update declarations.
7868         * output.h (class Output_section): Add is_interp, set_is_interp,
7869         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7870         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7871         generate_code_fills_at_write_ to a bitfield.
7872         * output.cc (Output_section::Output_sections): Initialize new
7873         fields.
7874         (Output_segment::add_output_section): Add do_sort parameter.
7875         Change all callers.
7876
7877 2009-11-03  Ian Lance Taylor  <iant@google.com>
7878
7879         PR 10860
7880         * options.h (class General_options): Add --warn-common.
7881         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7882         merging two common symbols.
7883         (Symbol_table::should_override): Handle --warn-common when merging
7884         a common symbol with a defined symbol.  Use report_resolve_problem
7885         for multiple definitions.
7886         (Symbol_table::report_resolve_problem): New function.
7887         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7888
7889 2009-11-03  Doug Kwan  <dougkwan@google.com>
7890
7891         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7892         stub_factory_.
7893         (Target_arm::stub_factory): New method definition.
7894         (Target_arm::new_arm_input_section,
7895         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7896         Target_arm::reloc_uses_thumb_bit): New method declarations.
7897         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7898         New type definitions.
7899         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7900         member declarations.
7901         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7902         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7903         New method definitions.
7904
7905 2009-11-03  Ian Lance Taylor  <iant@google.com>
7906
7907         * options.h (class General_options): Add --warn_constructors.
7908
7909 2009-11-03  Ian Lance Taylor  <iant@google.com>
7910
7911         PR 10893
7912         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7913         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7914
7915 2009-11-03  Ian Lance Taylor  <iant@google.com>
7916
7917         PR 10895
7918         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7919         --msgid-bugs-address.
7920         (install-pdf): New target.
7921         (install-data_yes): Look up one directory to find mkinstalldirs.
7922
7923 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7924
7925         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7926         tree.
7927
7928 2009-10-30  Doug Kwan  <dougkwan@google.com>
7929
7930         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7931
7932 2009-10-30  Doug Kwan  <dougkwan@google.com>
7933
7934         * arm.cc (Stub_addend_reader): New struct template definition
7935         and partial specializations.
7936         (Stub_addend_reader::operator()): New method definition for a
7937         partially specialized template.
7938
7939 2009-10-30  Doug Kwan  <dougkwan@google.com>
7940
7941         * arm.cc (Arm_relobj::processor_specific_flags): New method
7942         definition.
7943         (Arm_relobj::do_read_symbols): New method declaration.
7944         (Arm_relobj::processor_specific_flags_): New data member declaration.
7945         (Arm_dynobj): New class definition.
7946         (Target_arm::do_finalize_sections): Add input_objects parameter.
7947         (Target_arm::do_adjust_elf_header): New method declaration.
7948         (Target_arm::are_eabi_versions_compatible,
7949         (Target_arm::merge_processor_specific_flags): New method declaration.
7950         (Target_arm::do_make_elf_object): New overloaded method definitions
7951         and declaration.
7952         (Arm_relobj::do_read_symbols): New method definition.
7953         (Arm_dynobj::do_read_symbols): Ditto.
7954         (Target_arm::do_finalize_sections): Add input_objects parameters.
7955         Merge processor-specific flags from all input objects.
7956         (Target_arm::are_eabi_versions_compatible,
7957         Target_arm::merge_processor_specific_flags,
7958         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7959         New method definitions.
7960         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7961         Input_objects pointer type parameter.
7962         * layout.cc (Layout::finalize): Pass input objects to target's.
7963         finalize_sections function.
7964         * output.cc (Output_file_header::do_sized_write): Set ELF file
7965         header's processor-specific flags.
7966         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7967         Input_objects pointer type parameter.
7968         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7969         * target.h (Input_objects): New forward class declaration.
7970         (Target::processor_specific_flags,
7971         Target::are_processor_specific_flags_sect): New method definitions.
7972         (Target::finalize_sections): Add input_objects parameter.
7973         (Target::Target): Initialize processor_specific_flags_ and
7974         are_processor_specific_flags_set_.
7975         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7976         parameter.
7977         (Target::set_processor_specific_flags): New method definition.
7978         (Target::processor_specific_flags_,
7979         Target::are_processor_specific_flags_set_): New data member
7980         declarations.
7981         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7982         Input_objects pointer type parameter.
7983
7984 2009-10-30  Doug Kwan  <dougkwan@google.com>
7985
7986         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7987
7988 2009-10-28  Ian Lance Taylor  <iant@google.com>
7989
7990         * object.h (class Relobj): Drop options parameter from
7991         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7992         do_scan_relocs, do_relocate.  Change all callers.
7993         (class Sized_relobj): Drop options parameters from
7994         do_gc_process_relocs, do_scan_relocs, do_relocate,
7995         do_relocate_sections, relocate_sections, emit_relocs_scan,
7996         emit_relocs_scan_reltype.  Change all callers.
7997         (struct Relocate_info): Remove options field and all references to
7998         it.
7999         * reloc.h (class Read_relocs): Remove options constructor
8000         parameter and options_ field.  Change all callers.
8001         (class Gc_process_relocs, class Scan_relocs): Likewise.
8002         (class Relocate_task): Likewise.
8003         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8004         all callers.
8005         (scan_relocatable_relocs): Likewise.
8006         * target.h (class Sized_target): Remove options parameter from
8007         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8008         all callers.
8009         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8010         callers.
8011         * arm.cc: Update functions to remove options parameters.
8012         * i386.cc: Likewise.
8013         * powerpc.cc: Likewise.
8014         * sparc.cc: Likewise.
8015         * x86_64.cc: Likewise.
8016         * testsuite/testfile.cc: Likewise.
8017
8018 2009-10-28  Doug Kwan  <dougkwan@google.com>
8019
8020         * arm.cc (Arm_relobj): New class definition.
8021         (Arm_relobj::scan_sections_for_stubs,
8022         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8023         New method definitions.
8024
8025 2009-10-28  Cary Coutant  <ccoutant@google.com>
8026
8027         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8028         (Plugin::cleanup_done_): New member.
8029         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8030         (Plugin_manager::cleanup_done_): Remove.
8031         (Plugin_manager::add_input_file): Edit error message.
8032         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8033         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8034
8035 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8036
8037         * fileread.cc: (File_read::View::~View): Use the new
8038         data_ownership_ filed.
8039         (File_read::~File_read): Dispose the new whole_file_view_.
8040         (File_read::open): Mmap the whole file if needed.
8041         (File_read::open): Use whole_file_view_ instead of contents_.
8042         (File_read::find_view): Use whole_file_view_ if applicable.
8043         (File_read::do_read): Use whole_file_view_ instead of contents_.
8044         (File_read::make_view): Use whole_file_view_ instead of contents_,
8045         update File_read::View::View call.
8046         (File_read::find_or_make_view): Update File_read::View::View
8047         call.
8048         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8049         remove contents_
8050         (File_read::View::Data_ownership): New enum.
8051         (File_read::View::View): Replace bool mapped_ with Data_ownership
8052         argument.
8053         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8054         (File_read::View::data_ownership_): New field.
8055         (File_read::contents_): Remove (replaced by whole_file_view_).
8056         (File_read::whole_file_view_): New field.
8057         * options.h (class General_options): Add --keep-files-mapped.
8058
8059 2009-10-27  Cary Coutant  <ccoutant@google.com>
8060
8061         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8062         * testsuite/Makefile.am (plugin_test_5): New test case.
8063         * testsuite/Makefile.in: Regenerate.
8064
8065 2009-10-25  Doug Kwan  <dougkwan@google.com>
8066
8067         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8068         from private to protected to allow access by child class.
8069         (Sized_relobj::do_relocate_sections): New method declaration.
8070         (Sized_relobj::relocate_sections): Virtualize.
8071         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8072         Sized_relobj::relocate_sections.  Instantiate template explicitly
8073         for different target sizes and endianity.
8074
8075 2009-10-24  Doug Kwan  <dougkwan@google.com>
8076
8077         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8078         (Arm_input_section::as_arm_input_section): New method.
8079         (Arm_output_section): New class definition.
8080         (Arm_output_section::create_stub_group,
8081         Arm_output_section::group_sections): New method definitions.
8082
8083 2009-10-22  Doug Kwan  <dougkwan@google.com>
8084
8085         * arm.cc (Arm_input_section): New class definition.
8086         (Arm_input_section::init, Arm_input_section:do_write,
8087         Arm_input_section::set_final_data_size,
8088         Arm_input_section::do_reset_address_and_file_offset): New method
8089         definitions.
8090
8091 2009-10-21  Doug Kwan  <dougkwan@google.com>
8092
8093         * arm.cc (Stub_table, Arm_input_section): New forward class
8094         declarations.
8095         (Stub_table): New class defintion.
8096         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8097         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8098         New method definition.
8099
8100 2009-10-21  Doug Kwan  <dougkwan@google.com>
8101
8102         * arm.cc: Update copyright comments.
8103         (Target_arm): New forward class template declaration.
8104         (Arm_address): New type.
8105         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8106         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8107         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8108         constants.
8109         (Insn_template): Same.
8110         (DEF_STUBS): New macro.
8111         (Stub_type): New enum type.
8112         (Stub_template): New class definition.
8113         (Stub): Same.
8114         (Reloc_stub): Same.
8115         (Stub_factory): Same.
8116         (Target_arm::Target_arm): Initialize may_use_blx_ and
8117         should_force_pic_veneer_.
8118         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8119         Target_arm::should_force_pic_veneer,
8120         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8121         Target_arm::using_thumb_only, Target_arm:;default_target): New
8122         method defintions.
8123         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8124         New data member declarations.
8125         (Insn_template::size, Insn_template::alignment): New method defintions.
8126         (Stub_template::Stub_template): New method definition.
8127         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8128         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8129         (Stub_factory::Stub_factory): New method definition.
8130         * gold.h (string_hash): New template.
8131         * output.h (Input_section_specifier::hash_value): Use
8132         gold::string_hash.
8133         (Input_section_specifier::string_hash): Remove.
8134         * stringpool.cc (Stringpool_template::string_hash): Use
8135         gold::string_hash.
8136
8137 2009-10-20  Doug Kwan  <dougkwan@google.com>
8138
8139         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8140         symbols of relaxed input sections.
8141         * output.h (Output_section::find_relaxed_input_section): Make
8142         method public.
8143
8144 2009-10-16  Doug Kwan  <dougkwan@google.com>
8145
8146         * dynobj.cc (Versions::Versions): Initialize version_script_.
8147         Only insert base version symbol definition for a shared object
8148         if version script defines any version versions.
8149         (Versions::define_base_version): New method definition.
8150         (Versions::add_def): Check that base version is not needed.
8151         (Versions::add_need): Define base version lazily.
8152         * dynobj.h (Versions::define_base_version): New method declaration.
8153         (Versions::needs_base_version_): New data member declaration.
8154         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8155         (check_DATA): Add no_version_test.stdout.
8156         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8157         New make rules.
8158         * testsuite/Makefile.in: Regenerate.
8159         * testsuite/no_version_test.c: New file.
8160         * testsuite/no_version_test.sh: Ditto.
8161
8162 2009-10-16  Doug Kwan  <dougkwan@google.com>
8163
8164         * expression.cc (class Segment_start_expression): New class definition.
8165         (Segment_start_expression::value): New method definition.
8166         (script_exp_function_segment_start): Return a new
8167         Segment_start_expression.
8168         * gold/script-c.h (script_saw_segment_start_expression): New function
8169         prototype.
8170         * script-sections.cc (Script_sections::Script_sections): Initialize
8171         SAW_SEGMENT_START_EXPRESSION_ to false.
8172         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8173         and -Tbbs options to specify section addresses if given in
8174         command line and no SEGMENT_START expression is seen in a script.
8175         * script-sections.h (Script_sections::saw_segment_start_expression,
8176         Script_sections::set_saw_segment_start_expression): New method
8177         definition.
8178         (Script_sections::saw_segment_start_expression_): New data member
8179         declaration.
8180         * script.cc (script_saw_segment_start_expression): New function.
8181         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8182         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8183         script_test_7.sh and script_test_8.sh.
8184         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8185         script_test_8.stdout.
8186         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8187         (script_test_6, script_test_6.stdout, script_test_7,
8188         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8189         * Makefile.in: Regenerate.
8190         * testsuite/script_test_6.sh: New file.
8191         * testsuite/script_test_6.t: Same.
8192         * testsuite/script_test_7.sh: Same.
8193         * testsuite/script_test_7.t: Same.
8194         * testsuite/script_test_8.sh: Same.
8195
8196 2009-10-16  Doug Kwan  <dougkwan@google.com>
8197
8198         * output.cc (Output_segment::set_section_list_address): Cast
8199         expressions to unsigned long long type to avoid format warnings.
8200
8201 2009-10-15  Ian Lance Taylor  <iant@google.com>
8202
8203         * script.cc (Script_options::add_symbol_assignment): Always add a
8204         dot assignment to script_sections_.
8205         * script-sections.cc (Script_sections::add_dot_assignment):
8206         Initialize if necessary.
8207
8208         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8209         program headers with no load segment if there is a linker script.
8210
8211         * layout.cc (Layout::set_segment_offsets): Align the file offset
8212         to the segment aligment for -N or -n with no load segment.
8213         * output.cc (Output_segment::add_output_section): Don't crash if
8214         the first section is a TLS section.
8215         (Output_segment::set_section_list_addresses): Print an error
8216         message if the address moves backward in a linker script.
8217         * script-sections.cc
8218         (Output_section_element_input::set_section_addresses): Don't
8219         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8220         (Orphan_output_section::set_section_addresses): Likewise.
8221
8222 2009-10-15  Doug Kwan  <dougkwan@google.com>
8223
8224         * layout.cc (Layout::finish_dynamic_section): Generate tags
8225         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8226         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8227         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8228
8229 2009-10-14  Ian Lance Taylor  <iant@google.com>
8230
8231         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8232         fields.
8233         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8234         data_shdr fields of relinfo.
8235         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8236         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8237         R_386_TLS_LDO_32, adjust based on section flags.
8238         (Target_i386::Relocate::fix_up_ldo): Remove.
8239
8240 2009-10-13  Ian Lance Taylor  <iant@google.com>
8241
8242         Add support for -pie.
8243         * options.h (class General_options): Add -pie and
8244         --pic-executable.
8245         (General_options::output_is_position_independent): Test -pie.
8246         (General_options::output_is_executable): Return true if not shared
8247         and not relocatable.
8248         (General_options::output_is_pie): Remove.
8249         * options.cc (General_options::finalize): Reject incompatible uses
8250         of -pie.
8251         * gold.cc (queue_middle_tasks): A -pie link is not static.
8252         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8253         * symtab.cc (Symbol::final_value_is_known): Return false if
8254         output_is_position_independent.
8255         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8256         output_is_position_independent.
8257         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8258         output_is_position_independent.
8259         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8260         output_is_position_independent.
8261         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8262         two_file_pie_test.
8263         (basic_pie_test.o, basic_pie_test): New targets.
8264         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8265         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8266         (two_file_pie_test): New target.
8267         * testsuite/Makefile.in: Rebuild.
8268         * README: Remove note saying that -pie is not supported.
8269
8270 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8271
8272         * options.h (class General_options): Add -init and -fini.
8273         * layout.cc (Layout::finish_dynamic_section): Emit
8274         given init and fini functions.
8275
8276 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8277
8278         * gc.h (gc_process_relocs): Check if icf is enabled using new
8279         function.
8280         * gold.cc (queue_initial_tasks): Likewise.
8281         (queue_middle_tasks): Likewise.
8282         * object.cc (do_layout): Likewise.
8283         * symtab.cc (is_section_folded): Likewise.
8284         * main.cc (main): Likewise.
8285         * reloc.cc (Read_relocs::run): Likewise.
8286         (Sized_relobj::do_scan_relocs): Likewise.
8287         * icf.cc (is_function_ctor_or_dtor): New function.
8288         (Icf::find_identical_sections): Check if function is ctor or dtor when
8289         safe icf is chosen.
8290         * options.h (General_options::icf): Change option to be an enum.
8291         (Icf_status): New enum.
8292         (icf_enabled): New method.
8293         (icf_safe_folding): New method.
8294         (set_icf_status): New method.
8295         (icf_status_): New variable.
8296         * (options.cc) (General_options::finalize): Set icf_status_.
8297         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8298         icf_test and icf_keep_unique_test to use the --icf enum flag.
8299         * testsuite/icf_safe_test.sh: New file.
8300         * testsuite/icf_safe_test.cc: New file.
8301
8302 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8303
8304         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8305         includes to gc.h and icf.h.
8306         * arm.cc: Include gc.h.
8307         * gold.cc: Likewise.
8308         * i386.cc: Likewise.
8309         * powerpc.cc: Likewise.
8310         * sparc.cc: Likewise.
8311         * x86_64.cc: Likewise.
8312         * gc.h: Include icf.h.
8313
8314 2009-10-11  Ian Lance Taylor  <iant@google.com>
8315
8316         * plugin.cc: Include "gold.h" before other header files.
8317
8318 2009-10-10  Chris Demetriou  <cgd@google.com>
8319
8320         * options.h (Input_file_argument::Input_file_type): New enum.
8321         (Input_file_argument::is_lib_): Replace with...
8322         (Input_file_argument::type_): New member.
8323         (Input_file_argument::Input_file_argument): Take Input_file_type
8324         'type' rather than boolean 'is_lib' as second argument.
8325         (Input_file_argument::is_lib): Use type_.
8326         (Input_file_argument::is_searched_file): New function.
8327         (Input_file_argument::may_need_search): Handle is_searched_file.
8328         * options.cc (General_options::parse_library): Support -l:filename.
8329         (General_options::parse_just_symbols): Update for Input_file_argument
8330         changes.
8331         (Command_line::process): Likewise.
8332         * archive.cc (Archive::get_file_and_offset): Likewise.
8333         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8334         * script.cc (read_script_file, script_add_file): Likewise.
8335         * fileread.cc (Input_file::Input_file): Likewise.
8336         (Input_file::will_search_for): Handle is_searched_file.
8337         (Input_file::open): Likewise.
8338         * readsyms.cc (Read_symbols::get_name): Likewise.
8339         * testsuite/Makefile.am (searched_file_test): New test.
8340         * testsuite/Makefile.in: Regenerate.
8341         * testsuite/searched_file_test.cc: New file.
8342         * testsuite/searched_file_test_lib.cc: New file.
8343
8344 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8345             Ian Lance Taylor  <iant@google.com>
8346
8347         * descriptor.cc: Include <cstdio> and "binary-io.h".
8348         (Descriptors::open): Open the files in binary mode always.
8349         * script.cc (Lex::get_token): Treat \r as whitespace.
8350
8351 2009-10-09  Ian Lance Taylor  <iant@google.com>
8352
8353         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8354
8355 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8356             Ian Lance Taylor  <iant@google.com>
8357
8358         * configure.ac: Check for readv function also.
8359         * fileread.cc (readv): Define if not HAVE_READV.
8360         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8361         does not exist.
8362         * config.in: Regenerate.
8363         * configure: Regenerate.
8364
8365 2009-10-09  Doug Kwan  <dougkwan@google.com>
8366
8367         * layout.cc (Layout::make_output_section): Call target hook to make
8368         ordinary output section.
8369         (Layout::finalize): Adjust parameter list of call the
8370         Target::may_relax().
8371         * layout.h (class Layout::section_list): New method.
8372         * merge.h (Output_merge_base::entsize): Change visibility to public.
8373         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8374         New methods.
8375         (Output_merge_string::do_is_string): New method.
8376         * object.cc (Sized_relobj::do_setup): renamed from
8377         Sized_relobj::set_up.
8378         * object.h (Sized_relobj::adjust_shndx,
8379         Sized_relobj::initializ_input_to_output_maps,
8380         Sized_relobj::free_input_to_output_maps): Change visibilities to
8381         protected.
8382         (Sized_relobj::setup): Virtualize.
8383         (Sized_relobj::do_setup): New method declaration.
8384         (Sized_relobj::invalidate_section_offset,
8385         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8386         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8387         * options.cc (parse_int): New function.
8388         * options.h (parse_int): New declaration.
8389         (DEFINE_int): New macro.
8390         (stub_group_size): New option.
8391         * output.cc (Output_section::Output_section): Initialize memebers
8392         merge_section_map_, merge_section_by_properties_map_,
8393         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8394         (Output_section::add_input_section): Handled deferred code-fill
8395         generation and remove an old comment.
8396         (Output_section::add_relaxed_input_section): New method definition.
8397         (Output_section::add_merge_input_section): Use merge section by
8398         properties map to speed to search.  Update merge section maps
8399         as appropriate.
8400         (Output_section::build_relaxation_map): New method definition.
8401         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8402         Same.
8403         (Output_section::relax_input_section): Renamed to
8404         Output_section::convert_input_sections_to_relaxed_sections and change
8405         interface to take a vector of pointers to relaxed sections.
8406         (Output_section::find_merge_section,
8407         Output_section::find_relaxed_input_section): New method definitions.
8408         (Output_section::is_input_address_mapped,
8409         Output_section::output_offset, Output_section::output_address):
8410         Use output section data maps to speed up searching.
8411         (Output_section::find_starting_output_address): Add comments.
8412         (Output_section::do_write,
8413         Output_section::write_to_postprocessing_buffer): Do code-fill
8414         generation as appropriate.
8415         (Output_section::get_input_sections): Invalidate relaxed input section
8416         map.
8417         (Output_section::restore_states): Adjust type of checkpoint .
8418         Invalidate relaxed input section map.
8419         * output.h (Output_merge_base): New class declaration.
8420         (Input_section_specifier): New class defintion.
8421         (class Output_relaxed_input_section) Change base class to
8422         Output_section_data_build.
8423         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8424         base class initializer.
8425         (Output_section::add_relaxed_input_section): New method declaration.
8426         (Output_section::Input_section): Change visibility to protected.
8427         (Output_section::Input_section::relobj,
8428         Output_section::Input_section::shndx): Handle relaxed input sections.
8429         Output_section::input_sections) Change visibility to protected.  Also
8430         define overload to return a non-const pointer.
8431         (Output_section::Merge_section_properties): New class defintion.
8432         (Output_section::Merge_section_by_properties_map,
8433         Output_section::Output_section_data_by_input_section_map,
8434         Output_section::Relaxation_map): New types.
8435         (Output_section::relax_input_section): Rename method to
8436         Output_section::convert_input_sections_to_relaxed_sections and change
8437         interface to take a vector of relaxed section pointers.
8438         (Output_section::find_merge_section,
8439         Output_section::find_relaxed_input_section,
8440         Output_section::build_relaxation_map,
8441         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8442         New method declarations.
8443         (Output_section::merge_section_map_
8444         Output_section::merge_section_by_properties_map_,
8445         Output_section::relaxed_input_section_map_,
8446         Output_section::is_relaxed_input_section_map_valid_,
8447         Output_section::generate_code_fills_at_write_): New data members.
8448         * script-sections.cc
8449         (Output_section_element_input::set_section_addresses): Call
8450         current_data_size and addralign methods of relaxed input sections.
8451         (Orphan_output_section::set_section_addresses): Call current_data_size
8452         and addralign methods of relaxed input sections.
8453         * symtab.cc (Symbol_table::compute_final_value): Extract template
8454         from the body of Symbol_table::sized_finalize_symbol.
8455         (Symbol_table::sized_finalized_symbol): Call
8456         Symbol_table::compute_final_value.
8457         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8458         (Symbol_table::compute_final_value): New templated method declaration.
8459         * target.cc (Target::do_make_output_section): New method defintion.
8460         * target.h (Target::make_output_section): New method declaration.
8461         (Target::relax): Add more parameters for input objects, symbol table
8462         and layout.  Adjust call to do_relax.
8463         (Target::do_make_output_section): New method declaration.
8464         (Target::do_relax): Add parameters for input objects, symbol table
8465         and layout.
8466
8467 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8468
8469         * pread.c: Include stdio.h.
8470
8471 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8472
8473         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8474         defined.
8475
8476 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8477
8478         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8479         Change read_shndx type to unsigned int.
8480         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8481         int.
8482         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8483         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8484         Change read_shndx type to unsigned int.
8485         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8486         int.
8487         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8488         * layout.cc (Layout::create_symtab_sections): Cast the result of
8489         local_symcount * symsize to off_t in the gold_assert.
8490
8491 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8492
8493         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8494         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8495         R_ARM_BASE_ABS.
8496         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8497         (Arm_relocate_functions::thm_abs5): New function.
8498         (Arm_relocate_functions::abs12): New function.
8499         (Arm_relocate_functions::abs16): New function.
8500         (Arm_relocate_functions::base_abs): New function.
8501         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8502         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8503         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8504         R_ARM_BASE_ABS.
8505         (Scan::global): Likewise.
8506         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8507         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8508         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8509         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8510         R_ARM_BASE_ABS.
8511
8512 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8513
8514         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8515         (Arm_relocate_functions::movt_prel): New function.
8516         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8517         (Arm_relocate_functions::thm_movt_prel): New function.
8518         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8519         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8520         (Scan::global, Relocate::relocate): Likewise.
8521         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8522
8523 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8524
8525         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8526         Incremental_checker.
8527         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8528         unsigned int.
8529         (class Incremental_inputs_header): New class.
8530         (Incremental_inputs_header_writer): Edit comment.
8531         (Incremental_inputs_entry): New class.
8532         (Incremental_inputs_entry_writer): Edit comment.
8533         (Sized_incremental_binary::do_find_incremental_inputs_section):
8534         Add *strtab_shndx parameter, fill it.
8535         (Sized_incremental_binary::do_check_inputs): New method.
8536         (Incremental_checker::can_incrementally_link_output_file): Use
8537         Sized_incremental_binary::check_inputs.
8538         (Incremental_inputs::report_command_line): Save command line in
8539         command_line_.
8540         * incremental.h:
8541         (Incremental_binary::find_incremental_inputs_section): New
8542         method.
8543         (Incremental_binary::do_find_incremental_inputs_section): Add
8544         strtab_shndx parameter.
8545         (Incremental_binary::do_check_inputs): New pure virtual method.
8546         (Sized_incremental_binary::do_check_inputs): Declare.
8547         (Incremental_checker::Incremental_checker): Add incremental_inputs
8548         parameter, use it to initialize incremental_inputs_.
8549         (Incremental_checker::incremental_inputs_): New field.
8550         (Incremental_checker::command_line): New method.
8551         (Incremental_checker::inputs): New method.
8552         (Incremental_checker::command_line_): New field.
8553
8554 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8555
8556         * incremental.cc: Include <cstdarg> and "target-select.h".
8557         (vexplain_no_incremental): New function.
8558         (explain_no_incremental): New function.
8559         (Incremental_binary::error): New method.
8560         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8561         method.
8562         (make_sized_incremental_binary): New function.
8563         (open_incremental_binary): New function.
8564         (can_incrementally_link_file): Add checks if output is ELF and has
8565         inputs section.
8566         * incremental.h: Include "elfcpp_file.h" and "output.h".
8567         (Incremental_binary): New class.
8568         (Sized_incremental_binary): New class.
8569         (open_incremental_binary): Declare.
8570         * object.cc (is_elf_object): Use
8571         elfcpp::Elf_recognizer::is_elf_file.
8572         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8573         * output.h (Output_file::filesize): New method.
8574
8575 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8576
8577         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8578         New function.
8579         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8580         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8581         function.
8582         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8583         function.
8584         (Arm_relocate_functions::movw_abs_nc): New function.
8585         (Arm_relocate_functions::movt_abs): New function.
8586         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8587         (Arm_relocate_functions::thm_movt_abs): New function.
8588         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8589         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8590         (Scan::global): Likewise.
8591         (Relocate::relocate): Likewise.
8592         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8593
8594 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8595
8596         * arm.cc (Arm_relocate_functions::got_prel) New function.
8597         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8598         (Relocate::relocate): Likewise.
8599         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8600
8601 2009-10-06  Ian Lance Taylor  <iant@google.com>
8602
8603         * options.h (class General_options): Define
8604         split_stack_adjust_size parameter.
8605         * object.h (class Object): Add uses_split_stack_ and
8606         has_no_split_stack_ fields.  Add uses_split_stack and
8607         has_no_split_stack accessor functions.  Declare
8608         handle_split_stack_section.
8609         (class Reloc_symbol_changes): Define.
8610         (class Sized_relobj): Define Function_offsets.  Declare
8611         split_stack_adjust, split_stack_adjust_reltype, and
8612         find_functions.
8613         * object.cc (Object::handle_split_stack_section): New function.
8614         (Sized_relobj::do_layout): Call handle_split_stack_section.
8615         * dynobj.cc (Sized_dynobj::do_layout): Call
8616         handle_split_stack_section.
8617         * reloc.cc (Sized_relobj::relocate_sections): Call
8618         split_stack_adjust for executable sections in split_stack
8619         objects.  Pass reloc_map to relocate_section.
8620         (Sized_relobj::split_stack_adjust): New function.
8621         (Sized_relobj::split_stack_adjust_reltype): New function.
8622         (Sized_relobj::find_functions): New function.
8623         * target-reloc.h: Include "object.h".
8624         (relocate_section): Add reloc_symbol_changes parameter.  Change
8625         all callers.
8626         * target.h (class Target): Add calls_non_split method.  Declare
8627         do_calls_non_split virtual method.  Declare match_view and
8628         set_view_to_nop.
8629         * target.cc: Include "elfcpp.h".
8630         (Target::do_calls_non_split): New function.
8631         (Target::match_view): New function.
8632         (Target::set_view_to_nop): New function.
8633         * gold.cc (queue_middle_tasks): Give an error if mixing
8634         split-stack and non-split-stack objects with -r.
8635         * i386.cc (Target_i386::relocate_section): Add
8636         reloc_symbol_changes parameter.
8637         (Target_i386::do_calls_non_split): New function.
8638         * x86_64.cc (Target_x86_64::relocate_section): Add
8639         reloc_symbol_changes parameter.
8640         (Target_x86_64::do_calls_non_split): New function.
8641         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8642         parameter.
8643         * powerpc.cc (Target_powerpc::relocate_section): Add
8644         reloc_symbol_changes parameter.
8645         * sparc.cc (Target_sparc::relocate_section): Add
8646         reloc_symbol_changes parameter.
8647         * configure.ac: Call AM_CONDITIONAL for the default target.
8648         * configure: Rebuild.
8649         * testsuite/Makefile.am (TEST_AS): New variable.
8650         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8651         (check_DATA): Add split_i386 and split_x86_64 files.
8652         (SPLIT_DEFSYMS): Define.
8653         (split_i386_[1234n].o): New targets.
8654         (split_i386_[124]): New targets.
8655         (split_i386_[1234r].stdout): New targets.
8656         (split_x86_64_[1234n].o): New targets.
8657         (split_x86_64_[124]): New targets.
8658         (split_x86_64_[1234r].stdout): New targets.
8659         (MOSTLYCLEANFILES): Add new executables.
8660         * testsuite/split_i386.sh: New file.
8661         * testsuite/split_x86_64.sh: New file.
8662         * testsuite/split_i386_1.s: New file.
8663         * testsuite/split_i386_2.s: New file.
8664         * testsuite/split_i386_3.s: New file.
8665         * testsuite/split_i386_4.s: New file.
8666         * testsuite/split_i386_n.s: New file.
8667         * testsuite/split_x86_64_1.s: New file.
8668         * testsuite/split_x86_64_2.s: New file.
8669         * testsuite/split_x86_64_3.s: New file.
8670         * testsuite/split_x86_64_4.s: New file.
8671         * testsuite/split_x86_64_n.s: New file.
8672         * testsuite/testfile.cc (Target_test): Update relocation_section
8673         function.
8674         * testsuite/Makefile.in: Rebuild.
8675
8676 2009-10-06  Ian Lance Taylor  <iant@google.com>
8677
8678         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8679         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8680         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8681         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8682         the address on ldo_addrs_.
8683         (Target_i386::Relocate::fix_up_ldo): New function.
8684
8685 2009-10-06   Rafael Espindola  <espindola@google.com>
8686
8687         * plugin.cc (add_input_library): New.
8688         (Plugin::load): Add add_input_library to tv.
8689         (Plugin_manager::add_input_file): Add the is_lib argument.
8690         (add_input_file): Update call to Plugin_manager::add_input_file.
8691         (add_input_library): New.
8692         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8693
8694 2009-09-30  Doug Kwan  <dougkwan@google.com>
8695
8696         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8697         symbol and call Symbol::may_need_copy_reloc to determine if
8698         a copy reloc is needed.
8699         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8700         nocopyreloc is given in command line.
8701         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8702         given in command line.
8703         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8704         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8705         of the removed Target_i386::may_need_copy_reloc.
8706         * options.h (copyreloc): New option with default value false.
8707         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8708         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8709         instead of the removed Target_powerpc::may_need_copy_reloc.
8710         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8711         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8712         instead of the removed Target_sparc::may_need_copy_reloc.
8713         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8714         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8715         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8716         instead of the removed Target_x86_64::may_need_copy_reloc.
8717
8718 2009-09-30  Ian Lance Taylor  <iant@google.com>
8719
8720         * object.h (class Object): Remove target_ field, and target,
8721         sized_target, and set_target methods.
8722         (Object::sized_target): Remove.
8723         (class Sized_relobj): Update declarations.  Remove sized_target.
8724         * object.cc (Sized_relobj::setup): Remove target parameter.
8725         Change all callers.
8726         (Input_objects::add_object): Don't do anything with the target.
8727         (make_elf_sized_object): Add punconfigured parameter.  Change all
8728         callers.  Set or test parameter target.
8729         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8730         Change all callers.
8731         * parameters.cc (Parameters::set_target): Change parameter type to
8732         be non-const.
8733         (Parameters::default_target): Remove.
8734         (set_parameters_target): Change parameter type to be non-const.
8735         (parameters_force_valid_target): New function.
8736         (parameters_clear_target): New function.
8737         * parameters.h (class Parameters): Update declarations.  Remove
8738         default_target method.  Add sized_target and clear_target
8739         methods.  Change target_ to be non-const.
8740         (set_parameters_target): Update declaration.
8741         (parameters_force_valid_target): Declare.
8742         (parameters_clear_target): Declare.
8743         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8744         as NULL if we aren't searching.
8745         (Add_symbols::run): Don't check for compatible target.
8746         * fileread.cc (Input_file::open_binary): Call
8747         parameters_force_valid_target.
8748         * gold.cc (queue_middle_tasks): Likewise.
8749         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8750         set_target on object.
8751         * dynobj.h (class Sized_dynobj): Update declarations.
8752         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8753         make_elf_object returns NULL.
8754         (Archive::include_member): Don't check whether object target is
8755         compatible.
8756         * output.cc (Output_section::add_input_section): Get target from
8757         parameters.
8758         (Output_section::relax_input_section): Likewise.
8759         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8760         parameters.
8761         (Sized_relobj::do_scan_relocs): Likewise.
8762         (Sized_relobj::relocate_sections): Likewise.
8763         * resolve.cc (Symbol_table::resolve): Likewise.
8764         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8765         parameter.  Change all callers.
8766         (Symbol_table::add_from_object): Get target from parameters.
8767         (Symbol_table::add_from_relobj): Don't check object target.
8768         (Symbol_table::add_from_dynobj): Likewise.
8769         (Symbol_table::define_special_symbol): Get target from
8770         parameters.
8771         * symtab.h (class Symbol_table): Update declaration.
8772         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8773         parameter.  Change all callers.  Clear parameter target.
8774         (Binary_test): Test target here.
8775         * testsuite/object_unittest.cc (gold_testsuite): Remove
8776         target_test_pointer parameter.  Change all callers.
8777         (Object_test): Test target here.
8778
8779 2009-09-26  Ian Lance Taylor  <iant@google.com>
8780
8781         * testsuite/initpri1.c: Don't try to use constructor priorities if
8782         compiling with gcc before 4.3.
8783
8784 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8785
8786         * testsuite/retain_symbols_file_test.sh (check_present): Change
8787         output file name to retain_symbols_file_test.stdout.
8788         (check_absent): Likewise.
8789
8790 2009-09-18  Craig Silverstein  <csilvers@google.com>
8791
8792         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8793         * options.cc: Include <cerrno> and <fstream>.
8794         (General_options::finalize): Parse -retain-symbols-file tag.
8795         * options.h: New flag.
8796         (General_options): New method should_retain_symbol, new
8797         variable symbols_to_retain.
8798         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8799         should_retain_symbol map.
8800         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8801         * testsuite/Makefile.in: Regenerate.
8802         * testsuite/retain_symbols_file_test.sh: New file.
8803
8804 2009-09-18  Nick Clifton  <nickc@redhat.com>
8805
8806         * po/es.po: Updated Spanish translation.
8807
8808 2009-09-17  Doug Kwan  <dougkwan@google.com>
8809
8810         * debug.h (DEBUG_RELAXATION): New constant.
8811         (DEBUG_ALL): Add DEBUG_RELAXATION.
8812         (debug_string_to_enum): Add relaxation debug option.
8813         * layout.cc
8814         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8815         Layout::Relaxation_debug_check::read_sections,
8816         Layout::Relaxation_debug_check::read_sections): New method definitions.
8817         (Layout::Layout): Initialize data members
8818         record_output_section_data_from_scrips_,
8819         script_output_section_data_list_ and relaxation_debug_check_.
8820         (Layout::save_segments, Layout::restore_segments,
8821         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8822         Layout::relaxation_loop_body): New method definitions.
8823         (Layout::finalize): Support relaxation.  Move section layout code to
8824         Layout::relaxation_loop_body.
8825         (Layout::set_asection_address_from_script): Move code for orphan
8826         section placement out.
8827         (Layout::place_orphan_sections_in_script): New method definition.
8828         * layout.h (Output_segment_headers, Output_file_header):
8829         New forward class declarations.
8830         (Layout::~Layout): Define.
8831         (Layout::new_output_section_data_from_script): New method definition.
8832         (Layout::place_orphan_sections_in_script): New method declaration.
8833         (Layout::Segment_states): New type declaration.
8834         (Layout::save_segments, Layout::restore_segments,
8835         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8836         Layout::relaxation_loop_body): New method declarations.
8837         (Layout::Output_section_data_list): New type declaration.
8838         (Layout::Relaxation_debug_check): New class definition.
8839         (Layout::record_output_section_data_from_script_,
8840         Layout::script_output_section_data_list_, Layout::segment_states_,
8841         Layout::relaxation_debug_check_): New data members.
8842         * output.cc: (Output_section_headers::do_size): New method definition.
8843         (Output_section_headers::Output_section_headers): Move size
8844         computation to Output_section_headers::do_size.
8845         (Output_segment_headers::do_size): New method definition.
8846         (Output_file_header::Output_file_header): Move size computation to
8847         Output_file_header::do_size and call it.
8848         (Output_file_header::do_size): New method definition.
8849         (Output_data_group::Output_data_group): Adjust call to
8850         Output_section_data.
8851         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8852         (Output_symtab_xindex::do_write): Add array bound check.
8853         (Output_section::Input_section::print_to_mapfile): Handle
8854         RELAXED_INPUT_SECTION_CODE.
8855         (Output_section::Output_section): Initialize data member checkpoint_.
8856         (Output_section::~Output_section): Delete checkpoint object pointed
8857         by checkpoint_.
8858         (Output_section::add_input_section): Always add an Input_section if
8859         relaxing.
8860         (Output_section::add_merge_input_section): Add assert.
8861         (Output_section::relax_input_section): New method definition.
8862         (Output_section::set_final_data_size): Set load address to zero for
8863         an unallocated section.
8864         (Output_section::do_address_and_file_offset_have_reset_values):
8865         New method definition.
8866         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8867         Handle relaxed input section.
8868         (Output_section::sort_attached_input_sections): Checkpoint input
8869         section list lazily.
8870         (Output_section::get_input_sections): Change type of input_sections to
8871         list of Simple_input_section pointers.  Checkpoint input section list
8872         lazily.  Also handle relaxed input sections.
8873         (Output_section::add_input_section_for_script): Take a reference to
8874         a Simple_input_section object instead of Relobj pointer and section
8875         index as parameter.  Handle relaxed input sections.
8876         (Output_section::save_states, Output_section::restore_states): New
8877         method definitions.
8878         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8879         (Output_data::is_data_size_fixed): New method definition.
8880         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8881         if it is fixed.
8882         (Output_data::address_and_file_offset_have_reset_values): New method
8883         definition.
8884         (Output_data::do_address_and_file_offset_have_reset_values): New method
8885         definition.
8886         (Output_data::set_data_size): Check that data size is not fixed.
8887         (Output_data::fix_data_size): New method definition.
8888         (Output_data::is_data_size_fixed_): New data member.
8889         (Output_section_headers::set_final_data_size): New method definition.
8890         (Output_section_headers::do_size): New method declaration.
8891         (Output_segment_headers::set_final_data_size): New method definition.
8892         (Output_segment_headers::do_size): New method declaration.
8893         (Output_file_header::set_final_data_size)::New method definition.
8894         (Output_file_header::do_size)::New method declaration.
8895         (Output_section_data::Output_section_data): Add new parameter
8896         is_data_size_fixed and use it to fix data size.
8897         (Output_data_const::Output_data_const): Adjust call to base class
8898         constructor and fix data size.
8899         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8900         base class constructor and fix data size.
8901         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8902         base class constructor and fix data size.
8903         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8904         class constructor and fix data size.
8905         (Output_data_group::set_final_data_size): New method definition.
8906         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8907         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8908         class constructor and fix data size.
8909         (Output_relaxed_input_section): New class definition.
8910         (Output_section::Simple_input_section): New class definition.
8911         (Output_section::get_input_sections): Adjust parameter list.
8912         (Output_section::add_input_section_for_script): Same.
8913         (Output_section::save_states, Output_section::restore_states,
8914         Output_section::do_address_and_file_offset_have_reset_values,
8915         (Output_section::Input_section::Input_section): Handle
8916         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8917         Output_relaxed_input_section.
8918         (Output_section::Input_section::is_input_section,
8919         Output_section::Input_section::set_output_section): Handle relaxed
8920         input section.
8921         (Output_section::Input_section::is_relaxed_input_section,
8922         Output_section::Input_section::output_section_data,
8923         Output_section::Input_section::relaxed_input_section): New method
8924         definitions.
8925         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8926         value.
8927         (Output_section::Input_section::u1_): Update comments.
8928         (Output_section::Input_section::u2_): Add new union member poris.
8929         (Output_section::Checkpoint_output_section): New classs definition.
8930         (Output_section::relax_input_section): New method declaration.
8931         (Output_section::checkpoint_): New data member.
8932         (Output_segment): Update comments.
8933         (Output_segment::Output_segment): Un-privatize copy constructor.
8934         (Output_segment::operator=): Un-privatize.
8935         * script-sections.cc (Output_section_element::Input_section_list):
8936         Change element type to Output_section::Simple_input_section.
8937         (Output_section_element_dot_assignment::set_section_addresses):
8938         Register output section data for relaxation clean up.
8939         (Output_data_exression::Output_data_expression): Adjust call to base
8940         constructor to fix data size.
8941         (Output_section_element_data::set_section_addresses): Register
8942         Output_data_expression object for relaxation clean up.
8943         (struct Input_section_info): Replace Relobj pointer and section index
8944         pair with Output_section::Simple_input_section and Convert struct to a
8945         class.
8946         (Input_section_sorter::operator()): Adjust access to
8947         Input_section_info data member to use accessors.
8948         (Output_section_element_input::set_section_addresses): Use layout
8949         parameter.  Adjust code to use Output_section::Simple_input_section
8950         and Input_secction_info classes.  Register filler for relaxation
8951         clean up.
8952         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8953         and section index pair with Output_section::Simple_input_section
8954         class.  Adjust code accordingly.
8955         (Phdrs_element::release_segment): New method definition.
8956         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8957         segment list.
8958         (Script_sections::release_segments): New method definition.
8959         * gold/script-sections.h (Script_sections::release_segments): New
8960         method declaration.
8961         * gold/target.h (Target::may_relax, Target::relax,
8962         Target::do_may_relax, Target::do_relax): New method definitions.
8963
8964 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8965
8966         * arm.cc (has_signed_unsigned_overflow): New function.
8967         (Arm_relocate_functions::abs8): New function.
8968         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8969         (Target_arm::Scan::global): Likewise.
8970         (Target_arm::relocate::relocate): Likewise.
8971         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8972         Likewise.
8973
8974 2009-09-16  Cary Coutant  <ccoutant@google.com>
8975
8976         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8977         * testsuite/Makefile.in: Regenerate.
8978
8979 2009-09-11  Nick Clifton  <nickc@redhat.com>
8980
8981         * po/gold.pot: Updated by the Translation project.
8982
8983 2009-09-08  Cary Coutant  <ccoutant@google.com>
8984
8985         * output.cc (Output_file::open): Add execute permission to empty file.
8986         * testsuite/Makefile.am (permission_test): New test.
8987         * testsuite/Makefile.in: Regenerate.
8988
8989 2009-09-02  Ian Lance Taylor  <iant@google.com>
8990
8991         * output.cc (Output_file::resize): Call map_no_anonymous rather
8992         than map.
8993
8994 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8995
8996         * gold.cc: Include "incremental.h".
8997         (queue_initial_tasks): Call Incremental_checker methods.
8998         * incremental.cc: Include "output.h".
8999         (Incremental_checker::can_incrementally_link_output_file): New
9000         method.
9001         * incremental.h (Incremental_checker): New class.
9002
9003         * output.cc (Output_file::open_for_modification): New method.
9004         (Output_file::map_anonymous): Changed return type to bool.  Record
9005         map in base_ field.
9006         (Output_file::map_no_anonymous): New method, broken out of map.
9007         (Output_file::map): Use map_no_anonymous and map_anonymous.
9008         * output.h (class Output_file): Update declarations.
9009
9010 2009-08-24  Cary Coutant  <ccoutant@google.com>
9011
9012         * options.h (Command_line::Pre_options): New class.
9013         (Command_line::pre_options): New member.
9014         * options.cc (gold::options::ready_to_register): New variable.
9015         (One_option::register_option): Do nothing if not registering options.
9016         Assert if same short option registered twice.
9017         (General_options::General_options): Turn off option registration when
9018         done constructing.
9019         (Command_line::Pre_options::Pre_options): New constructor.
9020
9021 2009-08-24  Cary Coutant  <ccoutant@google.com>
9022
9023         * options.h (General_options::no_keep_memory): Remove incorrect
9024         short option.
9025
9026 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9027
9028         * Makefile.am (am__skiplex, am__skipyacc): New.
9029         * Makefile.in: Regenerate.
9030
9031 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9032
9033         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9034         (INCLUDES): ... this.
9035         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9036         (AM_CPPFLAGS): Renamed from ...
9037         (INCLUDE): ... this.
9038         * Makefile.in, testsuite/Makefile.in: Regenerate.
9039
9040         * Makefile.in: Regenerate.
9041         * aclocal.m4: Likewise.
9042         * config.in: Likewise.
9043         * configure: Likewise.
9044         * testsuite/Makefile.in: Likewise.
9045
9046         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9047         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9048         * Makefile.in: Regenerate.
9049         * testsuite/Makefile.in: Regenerate.
9050
9051 2009-08-19  Cary Coutant  <ccoutant@google.com>
9052
9053         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9054         symbols in shared libraries overridden by hidden or internal symbols
9055         in the main program.
9056
9057 2009-08-19  Chris Demetriou  <cgd@google.com>
9058
9059         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9060         checking source file names in error messages.
9061
9062 2009-08-18  Doug Kwan  <dougkwan@google.com>
9063
9064         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9065         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9066         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9067         an elfcpp::Ehdr as parameter.
9068         * object.cc (Object::set_target): Remove the version that looks up
9069         a target and sets it.
9070         (Sized_relobj::setup): Take a Target object instead of
9071         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9072         (make_elf_sized_object): Find target and ask target to
9073         make an ELF object.
9074         * object.h: (Object::set_target): Remove the version that looks up
9075         a target and sets it.
9076         (Sized_relobj::setup): Take a Target object instead of
9077         an elfcpp:Ehdr as parameter.
9078         * target.cc: Include dynobj.h.
9079         (Target::do_make_elf_object_implementation): New.
9080         (Target::do_make_elf_object): New.
9081         * target.h (Target::make_elf_object): New template declaration.
9082         (Target::do_make_elf_object): New method declarations.
9083         (Target::do_make_elf_object_implementation): New template declaration.
9084
9085 2009-08-14  Ian Lance Taylor  <iant@google.com>
9086
9087         * gold.h (FUNCTION_NAME): Define.
9088         (gold_unreachable): Use FUNCTION_NAME.
9089
9090 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9091
9092         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9093         symbol in the --keep-unique list is not found.
9094
9095 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9096
9097         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9098         been maked as --keep-unique.
9099         (Icf::unfold_section): New function.
9100         * icf.h (Icf::unfold_section): New function.
9101         * options.h (General_options::keep_unique): New option.
9102         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9103         * testsuite/Makefile.in: Regenerate.
9104         * testsuite/icf_keep_unique_test.sh: New file.
9105         * testsuite/icf_keep_unique_test.cc: New file.
9106
9107 2009-08-12  Cary Coutant  <ccoutant@google.com>
9108
9109         PR 10471
9110         * resolve.cc (Symbol_table::resolve): Check for references from
9111         dynamic objects to hidden and internal symbols.
9112         * testsuite/Makefile.am (hidden_test.sh): New test.
9113         * testsuite/Makefile.in: Regenerate.
9114         * testsuite/hidden_test.sh: New script.
9115         * testsuite/hidden_test_1.c: New test source.
9116         * testsuite/hidden_test_main.c: New test source.
9117
9118 2009-08-11  Doug Kwan  <dougkwan@google.com>
9119
9120         * arm.cc: Update comments.
9121         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9122         segment to locate the .ARM.exidx section if present.
9123
9124 2009-08-09  Doug Kwan  <dougkwan@google.com>
9125
9126         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9127         patch.
9128
9129 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9130         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9131         compiler warnings.
9132
9133 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9134
9135         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9136         valid tls_segment only for non-debug-section relocations.
9137         * testsuite/Makefile.am: Add gc_tls_test.
9138         * testsuite/Makefile.in: Regenerate.
9139         * testsuite/gc_tls_test.cc: New file.
9140         * testsuite/gc_tls_test.sh: New file.
9141
9142 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9143
9144         * icf.cc: New file.
9145         * icf.h: New file.
9146         * Makefile.am (CCFILES): Add icf.cc.
9147         (HFILES): Add icf.h
9148         * Makefile.in: Regenerate.
9149         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9150         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9151         section, symbol and addend information for the relocs.
9152         * gold.cc (queue_middle_tasks): Call identical code folding.
9153         * gold.h: Add defines for multimap.
9154         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9155         to the call of finalize_local_symbols.
9156         * main.cc (main): Create object of class Icf.
9157         * object.cc (Sized_relobj::do_layout): Allow this function to be
9158         called twice during icf.
9159         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9160         to sections marked as identical by icf.
9161         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9162         when available.
9163         (Sized_relobj::do_section_entsize): New function.
9164         * object.h (Object::section_entsize): New function.
9165         (Object::do_section_entsize): New pure virtual function.
9166         (Relobj::finalize_local_symbols): Add new parameter.
9167         (Relobj::do_section_entsize): New function.
9168         * options.h (General_options::icf): New option.
9169         (General_options::icf_iterations): New option.
9170         (General_options::print_icf_sections): New option.
9171         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9172         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9173         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9174         icf.
9175         * symtab.cc (Symbol_table::is_section_folded): New function.
9176         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9177         to sections marked as identical by icf.
9178         * symtab.h (Symbol_table::set_icf): New function.
9179         (Symbol_table::icf): New function.
9180         (Symbol_table::is_section_folded): New function.
9181         (Symbol_table::icf_): New data member.
9182         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9183         * testsuite/Makefile.am: Add commands to build icf_test.
9184         * testsuite/Makefile.in: Regenerate.
9185         * testsuite/icf_test.sh: New file.
9186         * testsuite/icf_test.cc: New file.
9187
9188 2009-07-24  Chris Demetriou  <cgd@google.com>
9189
9190         * layout.cc (is_compressible_debug_section): Fix incorrect
9191         comment about compressed section names.
9192
9193 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9194
9195         PR 10419
9196         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9197
9198 2009-07-16  Ian Lance Taylor  <iant@google.com>
9199
9200         PR 10400
9201         * layout.h: #include <map>.
9202         (class Kept_section): Change from struct to class.  Add accessors
9203         and setters.  Add section size to Comdat_group mapping.  Change
9204         Comdat_group to std::map.  Add is_comdat_ field.  Add
9205         linkonce_size field in union.
9206         (class Layout): Update declaration of find_or_add_kept_section.
9207         Don't declare find_kept_object.
9208         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9209         parameter.  Add object, shndx, is_comdat, and is_group_name
9210         parameters.  Change all callers.  Adjust for new Kept_section.
9211         (Layout::find_kept_object): Remove.
9212         * object.cc (Sized_relobj::include_section_group): Update use of
9213         Kept_section.  Rename secnum to shndx.  Only record
9214         Kept_comdat_section if sections are the same size.
9215         (Sized_relobj::include_linkonce_section): Update use of
9216         Kept_section.  Only record Kept_comdat_section if sections are the
9217         same size.  Set size of linkonce section.
9218         (Sized_relobj::map_to_kept_section): Update call to
9219         get_kept_comdat_section.
9220         * object.h (class Sized_relobj): Rename fields in
9221         Kept_comdat_section to drop trailing underscores; change object
9222         field to Relobj*.  Change Kept_comdat_section_table to store
9223         struct rather than pointer.
9224         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9225         Add kept_object and kept_shndx parameters.  Change all callers.
9226         (Sized_relobj::get_kept_comdat_section): Change return type to
9227         bool.  Add kept_object and kept_shndx parameters.  Change all
9228         callers.
9229         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9230         Layout::find_or_add_kept_section.
9231
9232 2009-07-09  Ian Lance Taylor  <iant@google.com>
9233
9234         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9235         Reserve space in the hash table.
9236
9237 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9238
9239         * fileread.cc (File_read::get_mtime): New method.
9240         * fileread.h (Timespec): New structure.
9241         (File_read::get_mtime): New method.
9242         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9243         Renamed from timestamp_nsec.
9244         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9245         Elf_Xword.
9246         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9247         timestamp_nsec.
9248         (Incremental_inputs::report_archive): Save mtime; style fix.
9249         (Incremental_inputs::report_obejct): Save mtime; style fix.
9250         (Incremental_inputs::report_script): Save mtime; style fix.
9251         (Incremental_inputs::finalize_inputs): Style fix.
9252         (Incremental_inputs::finalize): Style fix.
9253         (Incremental_inputs::create_input_section_data): Store inputs
9254         mtime.
9255         * incremental.h (Incremental_inputs::report_script): Add mtime
9256         argument.
9257         (Incremental_inputs::Input_info::Input_info): Intialize only one
9258         union member.
9259         (Incremental_inputs::Input_info::archive): Move to nameless
9260         union.
9261         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9262         (Incremental_inputs::Input_info::script): Move to nameless union.
9263         (Incremental_inputs::mtime): New field.
9264         * script.cc (read_input_script): Pass file mtime to
9265         Incremental_input.
9266         * script.h (Script_info::inputs): Style fix.
9267
9268 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9269
9270         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9271         instead of 32.
9272
9273 2009-06-24  Ian Lance Taylor  <iant@google.com>
9274
9275         PR 10156
9276         * layout.cc (Layout::choose_output_section): If we find an
9277         existing section, update the flags.
9278         (Layout::create_notes): New function, broken out of
9279         Layout::finalize.
9280         (Layout::finalize): Don't create note sections.
9281         (Layout::create_note): Don't crash if linker script discards
9282         section.
9283         (Layout::create_gold_note): Likewise.
9284         (Layout::create_build_id): Likewise.  Don't set
9285         after_input_sections on the section.
9286         (Layout::create_executable_stack_info): Remove target parameter.
9287         Change caller.
9288         * layout.h (class Layout): Declare create_notes.  Update
9289         declaration of create_executable_stack_info.
9290         * gold.cc (queue_middle_tasks): Call create_notes.
9291         * output.cc (Output_section::update_flags_for_input_section): Move
9292         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9293         invalid.
9294         * output.h (Output_data::mark_address_invalid): New function.
9295         (class Output_section): Only declare, not define,
9296         update_flags_for_input_section.  Remove set_flags.
9297
9298 2009-06-24  Ian Lance Taylor  <iant@google.com>
9299
9300         * script-sections.cc (Output_section_definition::
9301         set_section_addresses): Rename shadowing local load_address to
9302         laddr.
9303
9304 2009-06-24  Ian Lance Taylor  <iant@google.com>
9305
9306         PR 10244
9307         * reloc.cc (relocate_sections): Skip empty relocation sections.
9308
9309 2009-06-23  Ian Lance Taylor  <iant@google.com>
9310
9311         PR 10156
9312         * layout.cc (Layout::create_note): Use choose_output_section
9313         rather than make_output_section.
9314
9315 2009-06-23  Ian Lance Taylor  <iant@google.com>
9316
9317         PR 10237
9318         * options.cc (General_options::parse_V): Set printed_version_.
9319         (General_options::General_options): Initialize printed_version_.
9320         * options.h (class General_options): Add printed_version_ field.
9321         * gold.cc (queue_initial_tasks): If there are no input files,
9322         don't give a fatal error if we printed the version information.
9323         (queue_middle_tasks): If using -r with a shared object, give a
9324         fatal error rather than an ordinary error.
9325
9326 2009-06-23  Ian Lance Taylor  <iant@google.com>
9327
9328         PR 10219
9329         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9330         (Layout::make_output_section): Set have_stabstr_section_ if we see
9331         a .stab*str section.
9332         (Layout::finalize): Call link_stabs_sections.
9333         (Layout::link_stabs_sections): New file.
9334         * layout.h (class Layout): Add have_stabstr_section_ field.
9335         Declare link_stabs_sections.
9336
9337 2009-06-23  Doug Kwan  <dougkwan@google.com>
9338
9339         * Makefile.am (libgold_a_LIBADD): New.
9340         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9341         * Makefile.in: Regenerate.
9342         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9343         * configure: Regenerate.
9344         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9345         * fileread.cc: Include sys/state.h
9346         * gold.h: Declare memmem and strndup if found missing.
9347         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9348
9349 2009-06-23  Ian Lance Taylor  <iant@google.com>
9350
9351         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9352         * configure: Rebuild.
9353
9354 2009-06-23  Ian Lance Taylor  <iant@google.com>
9355
9356         PR 10147
9357         * object.cc (Object::section_contents): Don't try to get a view if
9358         the section has length zero.
9359         (Object::handle_gnu_warning_section): If the section is empty, use
9360         the name of the section as the warning.
9361
9362 2009-06-23  Ian Lance Taylor  <iant@google.com>
9363
9364         PR 10133
9365         * stringpool.h (class Stringpool_template): Add optimize_ field.
9366         (Stringpool_template::set_optimize): New function.
9367         * stringpool.cc (Stringpool_template::Stringpool_template):
9368         Initialize optimize_ field.
9369         (Stringpool_template::set_string_offsets): Test local optimize
9370         fild rather than parameter.
9371         * layout.cc (Layout::Layout): Call set_optimize on the section
9372         name stringpool.
9373
9374 2009-06-22  Ian Lance Taylor  <iant@google.com>
9375
9376         PR 10030
9377         * yyscript.y: Parse TARGET.
9378         * script.cc (script_set_target): New function.
9379         * script-c.h (script_set_target): Declare.
9380         * options.cc (General_options::string_to_object_format): Rename
9381         from string_to_object_format in anonymous namespace.  Change
9382         callers.
9383         * options.h (class General_options): Declare
9384         string_to_object_format.
9385
9386 2009-06-22  Ian Lance Taylor  <iant@google.com>
9387
9388         * script-sections.cc (Script_sections::create_segments): Don't put
9389         program headers in a PT_LOAD segment if -n or -N.
9390
9391 2009-06-22  Ian Lance Taylor  <iant@google.com>
9392
9393         PR 10141
9394         * options.h (class General_options): Add -z lazy and -z now.  Sort
9395         -z options into alphabetical order.
9396         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9397
9398 2009-06-21  Ian Lance Taylor  <iant@google.com>
9399
9400         * layout.cc (Layout::make_output_section): Call
9401         Target::new_output_section.
9402         (Layout::attach_allocated_section_to_segment): Put large section
9403         sections in a separate load segment with the large segment flag
9404         set.
9405         (Layout::segment_precedes): Sort large data segments after other
9406         load segments.
9407         (align_file_offset): New static function.
9408         (Layout::set_segment_offsets): Use align_file_offset.
9409         * output.h (class Output_section): Add is_small_section_ and
9410         is_large_section_ fields.
9411         (Output_section::is_small_section): New function.
9412         (Output_section::set_is_small_section):  New function.
9413         (Output_section::is_large_section): New function.
9414         (Output_section::set_is_large_section): New function.
9415         (Output_section::is_large_data_section): New function.
9416         (class Output_segment): Add is_large_data_segment_ field.
9417         (Output_segment::is_large_data_segment): New function.
9418         (Output_segment::set_is_large_data_segment): New function.
9419         * output.cc (Output_section::Output_section): Initialize new
9420         fields.
9421         (Output_segment::Output_segment): Likewise.
9422         (Output_segment::add_output_section): Add assertion that large
9423         data sections always go in large data segments.  Force small data
9424         sections to the end of the list of data sections.  Force small BSS
9425         sections to the start of the list of BSS sections.  For large BSS
9426         sections to the end of the list of BSS sections.
9427         * symtab.h (class Symbol): Declare is_common_shndx.
9428         (Symbol::is_defined): Check Symbol::is_common_shndx.
9429         (Symbol::is_common): Likewise.
9430         (class Symbol_table): Define enum Commons_section_type.  Update
9431         declarations.  Add small_commons_ and large_commons_ fields.
9432         * symtab.cc (Symbol::is_common_shndx): New function.
9433         (Symbol_table::Symbol_table): Initialize new fields.
9434         (Symbol_table::add_from_object): Put small and large common
9435         symbols in the right list.
9436         (Symbol_table::sized_finalized_symbol): Check
9437         Symbol::is_common_shndx.
9438         (Symbol_table::sized_write_globals): Likewise.
9439         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9440         common symbol lists.  Don't call do_allocate_commons_list if the
9441         list is empty.
9442         (Symbol_table::do_allocate_commons_list): Remove is_tls
9443         parameter.  Add comons_section_type parameter.  Change all
9444         callers.  Handle small and large common symbols.
9445         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9446         Symbol::is_common_shndx.
9447         * resolve.cc (symbol_to_bits): Likewise.
9448         * target.h (Target::small_common_shndx): New function.
9449         (Target::small_common_section_flags): New function.
9450         (Target::large_common_shndx): New function.
9451         (Target::large_common_section_flags): New function.
9452         (Target::new_output_section): New function.
9453         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9454         small_common_section_flags, and large_common_section_flags
9455         fields.
9456         (Target::do_new_output_section): New virtual function.
9457         * arm.cc (Target_arm::arm_info): Initialize new fields.
9458         * i386.cc (Target_i386::i386_info): Likewise.
9459         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9460         Likewise.
9461         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9462         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9463         (Target_x86_64::do_new_output_section): New function.
9464         * configure.ac: Define conditional MCMODEL_MEDIUM.
9465         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9466         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9467         (large_LDFLAGS): Define.
9468         * testsuite/large.c: New file.
9469         * testsuite/testfile.cc (Target_test::test_target_info):
9470         Initialize new fields.
9471         * configure, testsuite/Makefile.in: Rebuild.
9472
9473 2009-06-05  Doug Kwan  <dougkwan@google.com>
9474
9475         * Makefile.am (CCFILES): Add target.cc.
9476         * Makefile.in: Regenerate.
9477         * i386.cc (class Target_i386): Define new virtual method to
9478         override do_is_local_label_name in parent.
9479         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9480         local symbols if --discard-locals or -X is given.
9481         * options.h (class General_options): Declare new options
9482         '--discard-locals' and '-X' for discarding locals.
9483         * target.h (class Target): Define new methods is_local_label_name.
9484         Declare new virtual method do_is_local_label_name.
9485         * target.cc: New file.
9486         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9487         (check_SCRIPTS): Add discard_locals_test.sh.
9488         (check_DATA): Add discard_local_tests.syms.
9489         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9490         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9491         * testsuite/Makefile.in: Regenerate.
9492         * testsuite/discard_locals_test.c: New file.
9493         * testsuite/discard_locals_test.sh: Same.
9494
9495 2009-06-05  Doug Kwan  <dougkwan@google.com>
9496
9497         * object.cc (Sized_relobj::Sized_relobj): Initialize
9498         discarded_eh_frame_shndx_ to -1U.
9499         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9500         section.
9501         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9502         a discarded .eh_frame section.
9503         (Sized_relobj::do_finalize_local_symbols): Ditto.
9504         * object.h (class Sized_relobj): Declare new member
9505         discarded_eh_frame_shndx_.
9506         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9507         (local_labels_test.o, local_labels_test): New rules.
9508         * testsuite/Makefile.in: Regenerate.
9509
9510 2009-06-04  Doug Kwan  <dougkwan@google.com>
9511
9512         * layout.cc (Layout::section_name_mapping): Add mapping for
9513         special ARM sections.
9514
9515 2009-06-03  Doug Kwan  <dougkwan@google.com>
9516
9517         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9518         (utils::has_overflow): Same.
9519
9520 2009-06-03  Ian Lance Taylor  <iant@google.com>
9521
9522         * layout.cc (Layout::section_name_mapping): New array, replacing
9523         Layout::linkonce_mapping.
9524         (Layout::section_name_mapping_count): New variable, replacing
9525         Layout::linkonce_mapping_count.
9526         (Layout::linkonce_output_name): Remove.
9527         (Layout::output_section_name): Rewrite.
9528         * layout.h (class Layout): Rename Linkonce_mapping to
9529         Section_name_mapping, linkonce_mapping to section_name_mapping,
9530         linkonce_mapping_count to section_name_mapping_count.  Don't
9531         declare linkonce_output_name.
9532
9533 2009-06-03  Doug Kwan  <dougkwan@google.com>
9534
9535         * gold/arm.cc (namespace utils): New.
9536         (Target_arm::reloc_is_non_pic): Define new method.
9537         (class Arm_relocate_functions): New.
9538         (Target_arm::Relocate::relocate): Handle relocation types used by
9539         Android.
9540
9541 2009-06-03  Ian Lance Taylor  <iant@google.com>
9542
9543         * arm.cc (Target_arm::scan::global): Use || instead of |.
9544
9545 2009-06-02  Doug Kwan  <dougkwan@google.com>
9546
9547         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9548         issued_non_pic_error_.
9549         (class Target_arm::Scan): Declare new method check_non_pic.
9550         Define new method symbol_needs_plt_entry.
9551         Declare new data member issued_non_pic_error_.
9552         (class Target_arm::Relocate): Declare new method
9553         should_apply_static_reloc.
9554         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9555         (Target_arm::Scan::check_non_pic): Define new method.
9556         (Target_arm::Scan::local): Handle a small subset of reloc types used
9557         by Android.
9558         (Target_arm::Scan::local): Same.
9559         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9560
9561 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9562
9563         * incremental.cc (Incremental_inputs::report_command_line): Filter
9564         out --incremental-* options.
9565
9566 2009-05-29  Doug Kwan  <dougkwan@google.com>
9567
9568         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9569         template class.
9570         (class Target_arm): Update comment.
9571         (Target_arm::Target_arm): Initialize new data members GOT_,
9572         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9573         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9574         and Target_arm::rel_dyn_section.
9575         Declare new_enum Target_arm::Got_type.
9576         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9577         and DYNBSS_.
9578         Update commments for member do_dynsym_value.
9579         (Target_arm::got_size, Target_arm::plt_section,
9580         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9581         new methods inside class defintion.
9582         (Target_arm::got_section): Define new method.
9583         (Target_arm::rel_dyn_section): Same.
9584         (Output_data_plt_arm): New template class.
9585         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9586         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9587         (Output_data_plt_arm::add_entry): Same.
9588         (Output_data_plt_arm::first_plt_entry): Define new
9589         static data member for PLT instruction template.
9590         (Output_data_plt_arm::plt_entry): Same.
9591         (Output_data_plt_arm::do_write): Define new method.
9592         (Target_arm::make_plt_entry): Same.
9593         (Target_arm::do_finalize_sections): Same.
9594         (Target_arm::do_dynsym_value): Same.
9595
9596 2009-05-28  Doug Kwan  <dougkwan@google.com>
9597
9598         * Makefile.am (TARGETSOURCES): Add arm.cc.
9599         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9600         * Makefile.in: Regenerate.
9601         * arm.cc: New file.
9602         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9603
9604 2009-05-26  Doug Kwan  <dougkwan@google.com>
9605
9606         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9607         (General_options::check_excluded_libs): Strip off directories in
9608         archive name before matching like GNU ld does.
9609         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9610         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9611         (exclude_libs_test_LDFLAGS): Add linker option
9612         -Wl,--exclude-libs,libexclude_libs_test_3
9613         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9614         an explicit archive without using -l.
9615         (alt/libexclude_libs_test_3.a): New make rule.
9616         * testsuite/Makefile.in: Regenerate.
9617         * testsuite/exclude_libs_test.c : Declare lib3_default().
9618         (main): Call it.
9619         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9620         * exclude_libs_test_3.c: New file.
9621
9622 2009-05-26  Nick Clifton  <nickc@redhat.com>
9623
9624         * po/id.po: New Indonesian translation.
9625         * po/gold.pot: Updated template file.
9626
9627 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9628
9629         * testsuite/Makefile.am: Add -ffunction-sections to compile
9630         gc_comdat_test files.  Add -Wl,--gc-sections to build
9631         gc_comdat_test.
9632         * testsuite/Makefile.in: Regenerate.
9633         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9634
9635 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9636
9637         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9638         kept comdat section was garbage collected.
9639         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9640         * testsuite/Makefile.in: Regenerate.
9641         * testsuite/gc_comdat_test.sh: New file.
9642         * testsuite/gc_comdat_test_1.cc: New file.
9643         * testsuite/gc_comdat_test_2.cc: New file.
9644
9645 2009-05-19  Doug Kwan  <dougkwan@google.com>
9646
9647         * archive.cc (Archive::Archive): Move constructor from archive.h
9648         to here.  Initialize no_export_.
9649         (Archive::get_elf_object_for_member): Set no_export flag of object.
9650         * archive.h (Archive::Archive): Move constructor body to
9651         archive.cc.
9652         (Archive::no_export): New method.
9653         (Archive::no_export_): New field.
9654         * object.h (Object::Object): Initialize no_export_ to false.
9655         (Object::no_export, Object::set_no_export): New methods.
9656         (Object::no_export_): New field.
9657         * options.cc (General_options::parse_exclude_libs): New method.
9658         (General_options::check_excluded_libs) Same.
9659         * options.h (exclude_libs): New option.
9660         (General_options::check_excluded_libs): New method declaration.
9661         (General_options::excluded_libs_): New field.
9662         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9663         default or protected visibility if an object has no-export flag set.
9664         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9665         (check_SCRIPTS): Add exclude_libs_test.sh.
9666         (check_DATA): Add exclude_libs_test.syms.
9667         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9668         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9669         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9670         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9671         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9672         libexclude_libs_test_2.a): New rules.
9673         * testsuite/Makefile.in: Regenerate.
9674         * testsuite/exclude_libs_test.c: New file.
9675         * testsuite/exclude_libs_test.sh: Ditto.
9676         * testsuite/exclude_libs_test_1.c: Ditto.
9677         * testsuite/exclude_libs_test_2.c: Ditto.
9678
9679 2009-05-15  Ian Lance Taylor  <iant@google.com>
9680
9681         * configure.ac: Check for declarations for cases where libiberty.h
9682         checks HAVE_DECL_xxx.
9683         * configure, config.in: Rebuild.
9684
9685 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9686
9687         * gold.h (Incremental_argument_list): Remove (invalid) forward
9688         declaration.
9689         * incremental.cc (Incremental_inputs::report_achive): New method.
9690         (Incremental_inputs::report_object): New method.
9691         (Incremental_inputs::report_script): New method.
9692         (Incremental_inputs::finalize_inputs): New method.
9693         (Incremental_inputs::finalize): Call finalize_inputs().
9694         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9695         Create inputs entries.
9696         * incremental.h (Incremental_input_type): New enum.
9697         (Incremental_inputs::Incremental_input): Initialize new fields.
9698         (Incremental_inputs::report_inputs): New method.
9699         (Incremental_inputs::report_achive): New method.
9700         (Incremental_inputs::report_object): New method.
9701         (Incremental_inputs::report_script): New method.
9702         (Incremental_inputs::finalize_inputs): New method.
9703         (Incremental_inputs::Input_info): New struct.
9704         (Incremental_inputs::Input_info_map): New typedef.
9705         (Incremental_inputs::lock_): New field.
9706         (Incremental_inputs::Inputs_): New field.
9707         (Incremental_inputs::Inputs_map): New field.
9708         * main.cc (main): Call Incremental_input::report_inputs.
9709         * options.h (Input_argument_list): Typedef moved from
9710         Input_arguments.
9711         (Input_file_group::Files): Remove, use ::Input_argument_list.
9712         (Input_file_group::Input_argument_list): Remove, use
9713         ::Input_argument_list.
9714         * plugin.cc (Plugin_manager::add_input_file): Add error in
9715         incremental build.
9716         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9717         functions.
9718         * script.cc (read_input_script): Call
9719         Incremental_input::report_script.
9720         * script.h (Script_info): New class.
9721
9722 2009-04-27  Ian Lance Taylor  <iant@google.com>
9723
9724         * x86_64.cc (do_adjust_output_section): Set entsize to
9725         plt_entry_size.
9726
9727 2009-04-23  Elliott Hughes  <enh@google.com>
9728
9729         * output.cc (Output_file::close): After short writes, continue
9730         writing from the correct offset in the buffer being written.
9731
9732 2009-04-23  Chris Demetriou  <cgd@google.com>
9733
9734         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9735         * configure: Regenerate.
9736         * config.in: Regenerate.
9737         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9738         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9739
9740 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9741
9742         * incremental.cc (Incremental_inputs_header_data): Renamed from
9743         Incremental_input_header_data.
9744         (Incremental_inputs_header_data::data_size): New field.
9745         (Incremental_inputs_header_data::put_input_file_count): Renamed
9746         from input_file_count.
9747         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9748         from command_line_offset.
9749         (Incremental_inputs_header_data::put_reserved): Renamed from
9750         put_reserved.
9751         (Incremental_inputs_entry_data): Renamed from
9752         Incremental_input_entry_data.
9753         (Incremental_inputs_entry_data::data_size): New field.
9754         (Incremental_inputs::report_command_line): New method.
9755         (Incremental_inputs::finalize): New method.
9756         (Incremental_inputs::create_incremental_inputs_data): New method.
9757         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9758         * incremental.h: New file.
9759         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9760        (Layout::finalize): Create incremental inputs section in
9761         incremental builds.
9762        (Layout::create_incremental_info_sections): New method.
9763         * layout.h (Layout::incremental_inputs): New method.
9764        (Layout::create_incremental_info_sections): New method.
9765        (Layout::incremental_inputs_): New field.
9766         * main.cc (main): Notify Incremental_input of the command line.
9767
9768 2009-04-01  Ian Lance Taylor  <iant@google.com>
9769             Mikolaj Zalewski  <mikolajz@google.com>
9770
9771         * gold.h (reserve_unordered_map): Define, three versions, one for
9772         each version of Unordered_map.
9773         * layout.cc (Layout::Layout): Remove options parameter.  Add
9774         number_of_input_files parameter.  Don't initialize options_.
9775         Initialize number_of_input_files_ and resized_signatures_.  Move
9776         sections_are_attached_.
9777         (Layout::layout_group): Reserve space for group_signatures_.
9778         (Layout::find_or_add_kept_section): Change name parameter to be a
9779         reference.  Resize signatures_ map when it gets large enough.
9780         (Layout::layout_eh_frame): Use parameters->options() instead of
9781         this->options_.
9782         (Layout::make_output_section): Likewise.
9783         (Layout::attach_allocated_section_to_segment): Likewise.
9784         (Layout::finalize, Layout::create_executable_stack): Likewise.
9785         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9786         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9787         * layout.h (class Layout): Update declarations.  Remove options_
9788         field.  Add number_of_input_files_ and resized_signatures_
9789         fields.  Move sections_are_attached_ field.
9790         * main.cc (main): Pass number of input files to Layout
9791         constructor.  Don't pass options.
9792
9793 2009-03-30  Ian Lance Taylor  <iant@google.com>
9794
9795         * ffsll.c (ffsll): Correct implementation.
9796
9797 2009-03-27  Ian Lance Taylor  <iant@google.com>
9798
9799         * ffsll.c: New file.
9800         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9801         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9802         * ftruncate.c (ftruncate): Declare before definition.
9803         * mremap.c (mremap): Likewise.
9804         * pread.c (pread): Likewise.
9805         * configure, Makefile.in, config.in: Rebuild.
9806
9807         * mremap.c: New file.
9808         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9809         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9810         (mremap): Declare if HAVE_MREMAP is not defined.
9811         * configure, Makefile.in, config.in: Rebuild.
9812
9813 2009-03-27  Cary Coutant  <ccoutant@google.com>
9814
9815         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9816         position independent.
9817         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9818         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9819
9820 2009-03-24  Cary Coutant  <ccoutant@google.com>
9821
9822         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9823         an executable.
9824         (needs_dynamic_reloc): Likewise.
9825
9826 2009-03-24  Ian Lance Taylor  <iant@google.com>
9827
9828         * yyscript.y (file_cmd): Recognize EXTERN.
9829         (extern_name_list, extern_name_list_body): New nonterminals.
9830         * script.cc (script_add_extern): Define.
9831         * script-c.h (script_add_extern): Declare.
9832
9833 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9834
9835         * object.cc (is_elf_object): Define.
9836         * object.h (is_elf_object): Declare.
9837         * archive.cc (Archive::get_elf_object_for_member): Call
9838         is_elf_object.
9839         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9840
9841 2009-03-24  Elliott Hughes  <enh@google.com>
9842
9843         * output.cc (Output_file::map_anonymous): Define.
9844         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9845         try an anonymous one.  Report the size if the mmap fails.
9846         * output.h (class Output_file): Declare map_anonymous.
9847
9848 2009-03-24  Ian Lance Taylor  <iant@google.com>
9849
9850         * target-select.cc (instantiate_target): Don't acquire the lock if
9851         the instantiated_target_ field has already been set.
9852
9853 2009-03-23  Ian Lance Taylor  <iant@google.com>
9854
9855         * gold-threads.h (class Initialize_lock): Define.
9856         * gold-threads.cc (class Initialize_lock_once): Define.
9857         (initialize_lock_control): New static variable.
9858         (initialize_lock_pointer): New static variable.
9859         (initialize_lock_once): New static function.
9860         (Initialize_lock::Initialize_lock): Define.
9861         (Initialize_lock::initialize): Define.
9862         * target-select.h: Include "gold-threads.h".
9863         (class Target_selector): Add lock_ and initialize_lock_ fields.
9864         Don't define instantiate_target, just declare it.
9865         * target-select.cc (Target_selector::Target_selector): Initialize
9866         new fields.
9867         (Target_selector::instantiate_target): Define.
9868         * descriptors.h: Include "gold-threads.h".
9869         (class Descriptors): Add initialize_lock_ field.
9870         * descriptors.cc (Descriptors::Descriptors): Initialize new
9871         field.
9872         (Descriptors::open): Use initialize_lock_ field
9873         * errors.h (class Errors): Add initialize_lock_ field.
9874         * errors.cc (Errors::Errors): Initialize new field.
9875         (Errors::initialize_lock): Use initialize_lock_ field.
9876         * powerpc.cc (class Target_selector_powerpc): Remove
9877         instantiated_target_ field.  In do_recognize call
9878         instantiate_target rather than do_instantiate_target.  In
9879         do_instantiate_target just allocate a new target.
9880         * sparc.cc (class Target_selector_sparc): Likewise.
9881
9882         * freebsd.h: New file.
9883         * i386.cc: Include "freebsd.h".
9884         (Target_i386): Derive from Target_freebsd rather than
9885         Sized_target.
9886         (Target_selector_i386): Derive from Target_selector_freebsd rather
9887         than Target_selector.
9888         * x86_64.cc: Include "freebsd.h".
9889         (Target_x86_64): Derive from Target_freebsd rather than
9890         Sized_target.
9891         (Target_selector_x86_64): Derive from Target_selector_freebsd
9892         rather than Target_selector.
9893         * target.h (class Target): Add adjust_elf_header and
9894         do_adjust_elf_header.
9895         * output.cc (Output_file_header:: do_sized_write): Call target
9896         adjust_elf_header routine.
9897         * configure.tgt: Set targ_osabi.
9898         * configure.ac: Define GOLD_DEFAULT_OSABI.
9899         * parameters.cc (Parameters::default_target): Pass
9900         GOLD_DEFAULT_OSABI to select_target.
9901         * target-select.h (class Target_selector): Make instantiate_target
9902         protected rather than private.
9903         * Makefile.am (HFILES): Add freebsd.h.
9904         * configure, Makefile.in, config.in: Rebuild.
9905
9906         * merge.cc (do_add_input_section): Correct pend value.  Change
9907         message about last entry not being null terminated from error to
9908         warning.
9909
9910 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9911
9912         * incremental.cc: New file.
9913         * Makefile.am (CCFILES): Add incremental.cc.
9914         * Makefile.in: Rebuild.
9915
9916 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9917
9918         * layout.cc (Layout::output_section_name): Preserve names
9919         of '.note.' sections.
9920
9921 2009-03-19  Ian Lance Taylor  <iant@google.com>
9922
9923         * descriptors.cc (Descriptors::open): Check that the options are
9924         valid before using them.
9925
9926 2009-03-18  Ian Lance Taylor  <iant@google.com>
9927
9928         * script-sections.h: Include <list>.
9929         (class Script_sections): Change Sections_elements from std::vector
9930         to std::list.  Typedef public Elements_iterator.  Add
9931         orphan_section_placement_, data_segment_align_start_, and
9932         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9933         field.
9934         * script-sections.cc (class Orphan_section_placement): New class.
9935         (class Sections_element): Add virtual functions is_relro and
9936         orphan_section_init.  Remove virtual function place_orphan_here.
9937         (class Output_section_definition): Add is_relro and
9938         orphan_section_init.  Remove place_orphan_here.
9939         (class Orphan_output_section): Likewise.
9940         (Script_sections::Script_sections): Update for field changes.
9941         (Script_sections::data_segment_align): Set saw_data_segment_align_
9942         and data_segment_align_start_, not data_segment_align_index.
9943         (Script_sections::data_segment_relro_end): Check
9944         saw_data_segment_align_.  Use data_segment_align_start_ rather
9945         than data_segment_align_index_.
9946         (Script_sections::place_orphan): Rewrite to use
9947         Orphan_section_placement.
9948
9949 2009-03-17  Ian Lance Taylor  <iant@google.com>
9950
9951         * archive.cc (Archive::add_symbols): Check for a version attached
9952         to the symbol name in the archive map.
9953         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9954         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9955         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9956         (ver_test_11.a): New target.
9957         * testsuite/Makefile.in: Rebuild.
9958
9959         * configure.ac: Check for chsize and posix_fallocate.  Replace
9960         ftruncate.
9961         * ftruncate.c: New file, from gnulib.
9962         * output.cc (posix_fallocate): Define dummy version if not
9963         HAVE_POSIX_FALLOCATE.
9964         (Output_file::map): Call posix_fallocate rather than lseek and
9965         write.
9966         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9967         * configure, Makefile.in, config.in: Rebuild.
9968
9969 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9970
9971         * layout.h (Layout::create_note): Add section_name parameter.
9972         * layout.cc (Layout::create_note): Likewise.
9973         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9974
9975 2009-03-17  Ian Lance Taylor  <iant@google.com>
9976
9977         * descriptors.cc: Include "options.h".
9978         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9979         (Descriptors::open): Always use O_CLOEXEC when opening a new
9980         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9981         then set FD_CLOEXEC.
9982
9983         * sparc.cc (class Target_sparc): Add has_got_section.
9984         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9985         make sure we have a GOT section.
9986
9987         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9988         (Target_sparc::Scan::local): Likewise.
9989         (Target_sparc::Scan::global): Likewise.
9990         (Target_sparc::Relocate::relocate): Likewise.
9991         (Target_sparc::Relocate::relocate_tls): Likewise.
9992
9993         * symtab.cc (Symbol_table::define_default_version): New function,
9994         broken out of add_from_object.
9995         (Symbol_table::add_from_object): Call define_default_version.
9996         (Symbol_table::define_special_symbol): Add resolve_oldsym
9997         parameter.  Change all callers.  If the version for a symbol comes
9998         from a version script, resolve it with the symbol with the same
9999         name with no version.  Also add the symbol without a version if
10000         appropriate.
10001         (do_define_in_output_data): If resolving with oldsym, don't delete
10002         sym.
10003         (do_define_in_output_segment): Likewise.
10004         (do_define_as_constant): Likewise.
10005         * symtab.h (class Symbol_table): Update declarations.
10006
10007 2009-03-13  Ian Lance Taylor  <iant@google.com>
10008
10009         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10010         (Read_symbols::requeue): New function.
10011         (Read_symbols::do_read_symbols): If make_elf_object fails because
10012         the target type is not configured, and the file was searched for,
10013         issue a warning and retry with the next directory.
10014         (Add_symbols::run): If the file has an incompatible format, and
10015         it was searched for, requeue the Read_symbols task.  On error,
10016         release the object.
10017         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10018         dirindex parameter to constructor.  Change all callers.  Declare
10019         incompatible_warning and requeue.
10020         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10021         input_argument_ and input_group_ fields.  Add them to
10022         constructor.  Change all callers.
10023         (class Read_script): Add dirindex_ field.  Add it to constructor.
10024         Change all callers.
10025         * archive.cc (Archive::setup): Remove input_objects parameter.
10026         Change all callers.
10027         (Archive::get_file_and_offset): Likewise.
10028         (Archive::read_all_symbols): Likewise.
10029         (Archive::read_symbols): Likewise.
10030         (Archive::get_elf_object_for_member): Remove input_objects
10031         parameter.  Add punconfigured parameter.  Change all callers.
10032         (Archive::add_symbols): Change return type to bool.  Check return
10033         value of include_member.
10034         (Archive::include_all_members): Likewise.
10035         (Archive::include_member): Change return type to bool.  Return
10036         false if first included object has incompatible target.  Set
10037         included_member_ field.
10038         (Add_archive_symbols::run): If add_symbols returns false, requeue
10039         Read_symbols task.
10040         * archive.h (class Archive): Add included_member_ field.
10041         Initialize it in constructor.  Add input_file and searched_for
10042         methods.  Update declarations.
10043         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10044         input_argument_ fields.  Add them to constructor.  Change all
10045         callers.
10046         * script.cc: Include "target-select.h".
10047         (class Parser_closure): Add skip_on_incompatible_target_ and
10048         found_incompatible_target_ fields.  Add
10049         skip_on_incompatible_target parameter to constructor.  Change all
10050         callers.  Add methods skip_on_incompatible_target,
10051         clear_skip_on_incompatible_target, found_incompatible_target, and
10052         set_found_incompatible_target.
10053         (read_input_script): Add dirindex parameter.  Change all callers.
10054         If parser finds an incompatible target, requeue Read_symbols
10055         task.
10056         (script_set_symbol): Clear skip_on_incompatible_target in
10057         closure.
10058         (script_add_assertion, script_parse_option): Likewise.
10059         (script_start_sections, script_add_phdr): Likewise.
10060         (script_check_output_format): New function.
10061         * script.h (read_input_script): Update declaration.
10062         * script-c.h (script_check_output_format): Declare.
10063         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10064         (ignore_cmd): Remove OUTPUT_FORMAT.
10065         * fileread.cc (Input_file::Input_file): Add explicit this.
10066         (Input_file::will_search_for): New function.
10067         (Input_file::open): Add pindex parameter.  Change all callers.
10068         * fileread.h (class Input_file): Add input_file_argument method.
10069         Declare will_search_for.  Update declarations.
10070         * object.cc (make_elf_object): Add punconfigured parameter.
10071         Change all callers.
10072         * object.h (class Object): Make input_file public.  Add
10073         searched_for method.
10074         (make_elf_object): Update declaration.
10075         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10076         restart search.
10077         * dirsearch.h (class Dirsearch): Update declaration.
10078         * options.h (class General_options): Add --warn-search-mismatch.
10079         * parameters.cc (Parameters::is_compatible_target): New function.
10080         * parameters.h (class Parameters): Declare is_compatible_target.
10081         * workqueue.cc (Workqueue::add_blocker): New function.
10082         * workqueue.h (class Workqueue): Declare add_blocker.
10083
10084         * fileread.cc (Input_file::open): Remove options parameter.
10085         Change all callers.
10086         (Input_file::open_binary): Likewise.
10087         * script.cc (read_input_script): Likewise.
10088         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10089         options parameter from constructor.  Change all callers.
10090         (class Read_script): Likewise.
10091         * fileread.h (class Input_file): Update declarations.
10092         * script.h (read_input_script): Update declaration.
10093
10094 2009-03-10  Nick Clifton  <nickc@redhat.com>
10095
10096         * po/es.po: New Spanish translation.
10097
10098 2009-03-06  Cary Coutant  <ccoutant@google.com>
10099
10100         * options.cc (parse_short_option): Keep dash_z from registering itself.
10101
10102 2009-03-03  Ian Lance Taylor  <iant@google.com>
10103
10104         PR 9918
10105         * target-reloc.h (relocate_section): Pass output_section to
10106         relocate.
10107         * i386.cc (Target_i386::should_apply_static_reloc): Add
10108         output_section parameter.  Change all callers.
10109         (Target_i386::Relocate::relocate): Add output_section parameter.
10110         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10111         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10112         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10113         * testsuite/two_file_shared.sh: New script.
10114         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10115         (check_DATA): Add two_file_shared.dbg.
10116         (two_file_shared.dbg): New target.
10117         * testsuite/Makefile.in: Rebuild.
10118
10119 2009-03-01  Ian Lance Taylor  <iant@google.com>
10120
10121         * configure.ac: Check for byteswap.h.
10122         * configure: Rebuild.
10123         * config.in: Rebuild.
10124
10125 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10126
10127         * layout.cc (Layout::find_or_add_kept_section): New function.
10128         (Layout::add_comdat): Removed.
10129         * layout.h (struct Kept_section): Move out of class Layout.
10130         Remove trailing underscores from field names.  Add group_sections
10131         field.  Rename group_ field to is_group.  Change all uses.
10132         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10133         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10134         comdat_groups_ field.
10135         (Sized_relobj::include_section_group): Use
10136         find_or_add_kept_section and Kept_section::group_sections.
10137         (Sized_relobj::include_linkonce_section): Likewise.
10138         * object.cc (class Sized_relobj): Don't define Comdat_group or
10139         Comdat_group_table.  Remove find_comdat_group and
10140         add_comdat_group.  Remove comdat_groups_ field.
10141         * plugin.cc (include_comdat_group): Use
10142         Layout::find_or_add_kept_section.
10143
10144 2009-02-28  Ian Lance Taylor  <iant@google.com>
10145
10146         * README: --gc-sections and map files are now supported.  Document
10147         some build requirements.
10148
10149         PR 6992
10150         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10151         relocatable link set the value of the section symbol to zero.
10152         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10153         relocatable link don't include the section address in the local
10154         symbol value.
10155
10156 2009-02-27  Ian Lance Taylor  <iant@google.com>
10157
10158         PR 6811
10159         * options.h (class Search_directory): Add is_system_directory.
10160         (class General_options): Declare is_in_system_directory.
10161         * options.cc (get_relative_sysroot): Make static.
10162         (get_default_sysroot): Make static.
10163         (General_optoins::is_in_system_directory): New function.
10164         * fileread.cc (Input_file::is_in_system_directory): New function.
10165         * fileread.h (class Input_file): Declare is_in_system_directory.
10166         * object.h (class Object): Add is_in_system_directory.
10167         (class Input_objects): Remove system_library_directory_ field.
10168         * object.cc (Input_objects::add_object): Don't set
10169         system_library_directory_.
10170         (input_objects::found_in_system_library_directory): Remove.
10171         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10172         parameter.  Change all callers.
10173         (Symbol_table::sized_write_globals): Likewise.
10174         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10175         Call Object::is_in_system_directory.
10176         * symtab.h (class Symbol_table): Update declarations.
10177
10178         PR 5990
10179         * descriptors.h (Open_descriptor): Add is_on_stack field.
10180         * descriptors.cc (Descriptors::open): If the descriptor is on the
10181         top of the stack, remove it.  Initialize is_on_stack field.
10182         (Descriptors::release): Only add pod to stack if it is not on the
10183         stack already.
10184         (Descriptors::close_some_descriptor): Clear stack_next and
10185         is_on_stack fields.
10186
10187         PR 7091
10188         * output.cc (Output_section::find_starting_output_address): Rename
10189         from starting_output_address; add PADDR parameter; change return
10190         type.
10191         * output.h (class Output_section): Declare
10192         find_starting_output_address instead of starting_output_address.
10193         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10194         section symbol for which we can't find a merge section.
10195
10196         PR 9836
10197         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10198         hidden or internal, force the symbol to be local.
10199         * resolve.cc (Symbol::override_visibility): Define.
10200         (Symbol::override_base): Use override_visibility.
10201         (Symbol_table::resolve): Likewise.
10202         (Symbol::override_base_with_special): Likewise.
10203         (Symbol_table::override_with_special): If the visibility is hidden
10204         or internal, force the symbol to be local.
10205         * symtab.h (class Symbol): Add set_visibility and
10206         override_visibility.
10207         * testsuite/ver_test_1.sh: New file.
10208         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10209         (check_DATA): Add ver_test_1.syms.
10210         (ver_test_1.syms): New target.
10211         * testsuite/Makefile.in: Rebuild.
10212
10213 2009-02-25  Cary Coutant  <ccoutant@google.com>
10214
10215         * layout.cc (Layout::choose_output_section): Don't rename sections
10216         when using a linker script that has a SECTIONS clause.
10217         * Makefile.in: Regenerate.
10218
10219         * testsuite/Makefile.am (script_test_5.sh): New test case.
10220         * testsuite/Makefile.in: Regenerate.
10221         * testsuite/script_test_5.cc: New file.
10222         * testsuite/script_test_5.sh: New file.
10223         * testsuite/script_test_5.t: New file.
10224
10225 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10226
10227         * archive.cc (Archive::include_member): Update calls to add_symbols.
10228         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10229         the Layout argument.
10230         * dynobj.h (do_add_symbols): Add the Layout argument.
10231         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10232         Layout argument.
10233         * object.h (Object::add_symbols): Add the Layout argument.
10234         (Object::do_add_symbols): Add the Layout argument.
10235         (Sized_relobj::do_add_symbols): Add the Layout argument.
10236         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10237         Unify the two versions.
10238         (Add_plugin_symbols): Remove.
10239         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10240         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10241         (Add_plugin_symbols): Remove.
10242         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10243         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10244         (Add_symbols::run): Make it work with Pulginobj.
10245
10246 2009-02-06  Ian Lance Taylor  <iant@google.com>
10247
10248         * object.cc (Sized_relobj::do_layout): Make info message start
10249         with lower case letter.
10250
10251 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10252
10253         * binary.cc: Fix file comment.
10254
10255         * options.h (enum Incremental_disposition): Define.
10256         (class General_options): Add new options: --incremental,
10257         --incremental_changed, --incremental_unchanged,
10258         --incremental_unknown.  Add incremental_disposition_ and
10259         implicit_incremental_ fields.
10260         (General_options::incremental_disposition): New function.
10261         (class Position_dependent_options): Add incremental_disposition
10262         option.
10263         (Position_dependent_options::copy_from_options): Set incremental
10264         dispositions.
10265         * options.cc (General_options::parse_incremental_changed): New
10266         function.
10267         (General_options::parse_incremental_unchanged): New function.
10268         (General_options::parse_incremental_unknown): New function.
10269         (General_options::General_options): Initialize new fields
10270         incremental_disposition_ and implicit_incremental_.
10271         (General_options::finalize): Check for uasge of --incremental-*
10272         without --incremental.
10273
10274 2009-02-06  Chris Demetriou  <cgd@google.com>
10275
10276         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10277         pointer and to report location as the file name associated with
10278         the symbol.
10279         (gold_undefined_symbol_at_location): New function to replace the
10280         old gold_undefined_symbol functionality.
10281         * target-reloc.h (relocate_section): Update to use
10282         gold_undefined_symbol_at_location.
10283         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10284         Call gold_undefined_symbol function rather than gold_error.
10285         * errors.h (Errors::undefined_symbol): Take location as a
10286         string, rather than calculating it from a relocation.
10287         * errors.cc (Errors::fatal): Print "fatal error:" before the
10288         formatted message.
10289         (Errors::error, Errors::error_at_location): Print "error: "
10290         before the formatted message.
10291         (Errors::undefined_symbol): Take location as a string, rather
10292         than calculating it from a relocation.
10293         (gold_undefined_symbol_at_location): New function akin to
10294         old gold_undefined_symbol, calculates location from relocation.
10295         (gold_undefined_symbol): Change to take only a Symbol pointer
10296         and to report location as the file name associated with the symbol.
10297         * testsuite/debug_msg.sh: Update for changed error messages.
10298         * testsuite/undef_symbol.sh: Likewise.
10299
10300 2009-02-04  Duncan Sands  <baldrick@free.fr>
10301
10302         PR 9812
10303         * reduced_debug_output.h
10304         (Output_reduced_debug_abbrev_section::failed): Use format for
10305         gold_warning.
10306         (Output_reduced_debug_info_section::faild): Likewise.
10307
10308 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10309
10310         * script.cc (Lazy_demangler): New class.
10311         (Version_script_info::get_symbol_version_helper): Demangle a
10312         symbol only once.
10313
10314 2009-01-29  Cary Coutant  <ccoutant@google.com>
10315
10316         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10317         to __tls_get_addr.
10318         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10319
10320 2009-01-28  Ian Lance Taylor  <iant@google.com>
10321
10322         * version.cc (version_string): Bump to 1.9.
10323
10324         * gold.h: Include <cstring> and <stdint.h>.
10325         * version.cc: Include <cstdio>.
10326         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10327         warning.
10328         * reduced_debug_output.cc (insert_into_vector): Rename from
10329         Insert_into_vector; change all callers.  Use Swap_unaligned to
10330         avoid aliasing issue; remove union since it is unnecessary.
10331
10332 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10333
10334         * Makefile.am (CCFILES): Add gc.cc.
10335         (HFILES): Add gc.h.
10336         * Makefile.in: Regenerate.
10337         * gold.cc (Gc_runner): New class.
10338         (queue_initial_tasks): Call garbage collection related tasks
10339         when corresponding options are invoked.
10340         (queue_middle_gc_tasks): New function.
10341         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10342         processed early before laying out sections during garbage collection.
10343         * gold.h (queue_middle_gc_tasks): New function.
10344         (is_prefix_of): Move from "layout.cc".
10345         * i386.cc (Target_i386::gc_process_relocs): New function.
10346         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10347         * main.cc (main): Create object of class "Garbage_collection".
10348         * object.cc (Relobj::copy_symbols_data): New function.
10349         (Relobj::is_section_name_included): New function.
10350         (Sized_relobj::do_layout): Allow this function to be called twice
10351         during garbage collection and defer layout of section during the
10352         first call.
10353         * object.h (Relobj::get_symbols_data): New function.
10354         (Relobj::is_section_name_included): New function.
10355         (Relobj::copy_symbols_data): New function.
10356         (Relobj::set_symbols_data): New function.
10357         (Relobj::get_relocs_data): New function.
10358         (Relobj::set_relocs_data): New function.
10359         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10360         (Relobj::gc_process_relocs): New function.
10361         (Relobj::do_gc_process_relocs): New pure virtual function.
10362         (Relobj::sd_): New data member.
10363         (Sized_relobj::is_output_section_offset_invalid): New function.
10364         (Sized_relobj::do_gc_process_relocs): New function.
10365         * options.h (General_options::gc_sections): Modify to not be a no-op.
10366         (General_options::print_gc_sections): New option.
10367         * plugin.cc (Plugin_finish::run): Remove function call to
10368         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10369         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10370         * reloc.cc (Read_relocs::run): Add task to process relocs and
10371         determine unreferenced sections when doing garbage collection.
10372         (Gc_process_relocs): New class.
10373         (Sized_relobj::do_gc_process_relocs): New function.
10374         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10375         sections that are garbage collected.
10376         * reloc.h (Gc_process_relocs): New class.
10377         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10378         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10379         symbols whose corresponding sections are garbage collected.
10380         (Symbol_table::Symbol_table): Add new parameter for the garbage
10381         collection object.
10382         (Symbol_table::gc_mark_undef_symbols): New function.
10383         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10384         (Symbol_table::gc_mark_dyn_syms): New function.
10385         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10386         as garbage.
10387         (Symbol_table::add_from_object): Likewise.
10388         (Symbol_table::add_from_relobj): When building shared objects, do not
10389         treat externally visible symbols as garbage.
10390         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10391         table information for static and relocatable links.
10392         * symtab.h (Symbol_table::set_gc): New function.
10393         (Symbol_table::gc): New function.
10394         (Symbol_table::gc_mark_undef_symbols): New function.
10395         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10396         (Symbol_table::gc_mark_dyn_syms): New function.
10397         (Symbol_table::gc_): New data member.
10398         * target.h (Sized_target::gc_process_relocs): New pure virtual
10399         function.
10400         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10401         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10402
10403 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10404
10405         * options.h (General_options::gc_sections): Define as a no-op for now.
10406         (General_options::no_keep_memory): Ditto.
10407         (General_options::Bshareable): Define.
10408         * options.cc (General_options::finalize): Honor -Bshareable.
10409
10410 2009-01-20  Andreas Schwab  <schwab@suse.de>
10411
10412         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10413         read the value in the contents, since we don't use it.  Use the
10414         template endianness when writing.
10415         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10416
10417 2009-01-19  Andreas Schwab  <schwab@suse.de>
10418
10419         * configure.tgt (powerpc64-*): Fix targ_obj.
10420
10421 2009-01-15  Ian Lance Taylor  <iant@google.com>
10422
10423         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10424         local symbols when stripping all symbols.
10425
10426 2009-01-14  Cary Coutant  <ccoutant@google.com>
10427
10428         * output.cc (Output_reloc): Add explicit instantiations.
10429
10430 2009-01-14  Cary Coutant  <ccoutant@google.com>
10431
10432         * archive.cc (Archive::get_elf_object_for_member): Remove call
10433         to File_read::claim_for_plugin.
10434         * descriptors.cc (Descriptors::open): Remove reference to
10435         is_claimed.
10436         (Descriptors::claim_for_plugin): Remove.
10437         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10438         (Descriptors::is_claimed): Remove.
10439         (claim_descriptor_for_plugin): Remove.
10440         * fileread.cc (File_read::claim_for_plugin): Remove.
10441         * fileread.h (File_read::claim_for_plugin): Remove.
10442         (File_read::descriptor): Reopen descriptor if necessary.
10443         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10444         (Plugin_manager::all_symbols_read): Add task parameter. Change
10445         all callers.
10446         (Plugin_manager::get_input_file): New function.
10447         (Plugin_manager::release_input_file): New function.
10448         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10449         corresponding data member.
10450         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10451         and pass to base constructor. Change all callers.
10452         (get_input_file, release_input_file): New functions.
10453         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10454         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10455         (Plugin_manager::all_symbols_read): Add task parameter.
10456         (Plugin_manager::get_input_file): New function.
10457         (Plugin_manager::release_input_file): New function.
10458         (Plugin_manager::task_): New data member.
10459         (Pluginobj::Pluginobj): Add filesize parameter.
10460         (Pluginobj::filename): New function.
10461         (Pluginobj::descriptor): New function.
10462         (Pluginobj::filesize): New function.
10463         (Pluginobj::filesize_): New data member.
10464         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10465         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10466         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10467
10468         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10469         with archive libraries.
10470         * testsuite/Makefile.in: Regenerate.
10471         * testsuite/plugin_test.c (struct sym_info): New type.
10472         (get_input_file, release_input_file): New static variables.
10473         (onload): Capture new transfer vector entries.
10474         (claim_file_hook): Stop reading at end of file according to filesize.
10475         Factor out parsing of readelf output into separate function.
10476         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10477         APIs and get the source file name from the symbol table.  Convert
10478         source file name to corresponding object file name.  Print info
10479         message when adding new input files.
10480         (parse_readelf_line): New function.
10481         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10482         * testsuite/plugin_test_2.sh: Likewise.
10483         * testsuite/plugin_test_3.sh: Likewise.
10484         * testsuite/plugin_test_4.sh: New test case.
10485
10486 2009-01-07  Ian Lance Taylor  <iant@google.com>
10487
10488         * version.cc (version_string): Bump to 1.8.
10489
10490 2008-12-23  Cary Coutant  <ccoutant@google.com>
10491
10492         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10493         * plugin.cc (Plugin_manager::finish): Rename as
10494         layout_deferred_objects.  Move cleanup to separate function.
10495         (Plugin_manager::cleanup): New function.
10496         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10497         separately.
10498         * plugin.h (Plugin_manager::finish): Rename as
10499         layout_deferred_objects.
10500         (Plugin_manager::cleanup): New function.
10501         (Plugin_manager::cleanup_done): New field.
10502
10503 2008-12-23  Cary Coutant  <ccoutant@google.com>
10504
10505         * plugin.cc (is_visible_from_outside): New function.
10506         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10507         so we don't return "IR only" status for exported symbols or -r links.
10508
10509         * testsuite/Makefile.am (plugin_test_3): New test case.
10510         * testsuite/Makefile.in: Regenerate.
10511         * testsuite/plugin_test_3.sh: New file.
10512
10513 2008-12-22  Cary Coutant  <ccoutant@google.com>
10514
10515         * object.cc (Sized_relobj::layout_section): New function.
10516         (Sized_relobj::do_layout): Defer layout of input sections until after
10517         plugin has provided replacement files.
10518         (Sized_relobj::do_layout_deferred_sections): New function.
10519         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10520         (Relobj::layout_deferred_sections): New function.
10521         (Relobj::do_layout_deferred_sections): New function.
10522         (Sized_relobj::do_layout_deferred_sections): New function.
10523         (Sized_relobj::layout_section): New function.
10524         (Sized_relobj::Deferred_layout): New structure.
10525         (Sized_relobj::deferred_layout_): New field.
10526         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10527         Change all callers.  Layout deferred sections.
10528         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10529         references.
10530         (Plugin_hook::run): Move code from do_plugin_hook inline.
10531         (Plugin_hook::do_plugin_hook): Remove.
10532         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10533         (Plugin_manager::finish): Renamed, was cleanup.
10534         (Plugin_manager::should_defer_layout): New function.
10535         (Plugin_manager::add_deferred_layout_object): New function.
10536         (Plugin_manager::Deferred_layout_list): New type.
10537         (Plugin_manager::deferred_layout_objects_): New field.
10538         (Plugin_hook::do_plugin_hook): Remove.
10539
10540 2008-12-17  Ian Lance Taylor  <iant@google.com>
10541
10542         * options.h (class General_options): Add --no case for
10543         --export-dynamic.
10544
10545 2008-12-16  Cary Coutant  <ccoutant@google.com>
10546
10547         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10548         vector.
10549         (Plugin_manager::claim_file): Create plugin object even if
10550         plugin did not call the add_symbols callback.
10551         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10552         asking for more symbols than were added.
10553         * testsuite/Makefile.am (plugin_test_1): Add test case with
10554         no global symbols.
10555         (empty.syms): New target.
10556         * testsuite/Makefile.in: Regenerate.
10557         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10558         message. Don't call add_symbols if no globals.
10559         (all_symbols_read_hook): Don't provide replacement for empty
10560         claimed file.
10561
10562 2008-12-12  Ian Lance Taylor  <iant@google.com>
10563
10564         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10565         r_type == 0 for a local symbol with r_sym == 0.
10566         (scan_relocatable_relocs): Pass r_sym to
10567         local_non_section_strategy.
10568         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10569         r_sym parameter.
10570
10571         * configure.ac: Update test for TLS descriptors: they are
10572         supported as of glibc 2.9.
10573         * configure: Rebuild.
10574
10575 2008-12-11  Ian Lance Taylor  <iant@google.com>
10576
10577         PR 7091
10578         * target-reloc.h (Default_scan_relocatable_relocs): For each
10579         function, map r_type == 0 to RELOC_DISCARD.
10580
10581 2008-12-10  Cary Coutant  <ccoutant@google.com>
10582
10583         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10584         object to override a kept COMDAT group from a plugin object.
10585
10586 2008-12-09  Ian Lance Taylor  <iant@google.com>
10587
10588         PR 7088
10589         * yyscript.y (file_cmd): Handle INPUT.
10590
10591         * testsuite/initpri1.c: Change all declarations to be full
10592         prototypes by adding void, to avoid compiler warnings.
10593
10594 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10595
10596         * options.cc (General_options::parse_plugin_opt): New.
10597         (General_options::add_plugin): The argument now is just the filename.
10598         (General_options::add_plugin_option): New.
10599         * options.h (plugin_opt): New.
10600         (add_plugin): Change argument name.
10601         (add_plugin_option): New.
10602         * plugin.cc (Plugin::load): Don't parse the plugin option.
10603         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10604         (Plugin::add_option): New.
10605         (Plugin::args_): Change type.
10606         (Plugin::filename_): New.
10607         (Plugin_manager::add_plugin_option): New.
10608         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10609         * testsuite/Makefile.in: Regenerate.
10610
10611 2008-12-05  Cary Coutant  <ccoutant@google.com>
10612
10613         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10614         Handle --strip-lto-sections option.
10615         * options.h (strip_lto_sections): New option.
10616
10617 2008-12-01  Cary Coutant  <ccoutant@google.com>
10618
10619         * plugin.cc (ld_plugin_message): Change format parameter to const.
10620         Fix mismatch between new[] and delete.
10621
10622 2008-11-14  Cary Coutant  <ccoutant@google.com>
10623
10624         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10625         instead of -1U.
10626
10627 2008-11-05  Craig Silverstein  <csilvers@google.com>
10628
10629         * options.cc (General_options::parse_dynamic_list): New function.
10630         * options.h (General_options): New flags dynamic_list,
10631         dynamic_list_data, dynamic_list_cpp_new, and
10632         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10633         (General_options::in_dynamic_list): New function.
10634         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10635         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10636         (Lex::can_continue_name): Likewise.
10637         (yylex): Likewise.
10638         (read_script_file): New parameter script_options.
10639         (read_dynamic_list): New function.
10640         (Script_options::define_dynamic_list): New function.
10641         (dynamic_list_keyword_parsecodes): New variable.
10642         (dynamic_list_keywords): New variable.
10643         * script.h (Script_options::define_dynamic_list): New function
10644         prototype.
10645         (read_dynamic_list): New function prototype.
10646         * symtab.cc (strprefix): New macro.
10647         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10648         dynamic_list_data, dynamic_list_cpp_new, and
10649         dynamic_list_cpp_typeinfo.
10650         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10651         (dynamic_list_expr): New rule.
10652         (dynamic_list_nodes): Likewise.
10653         (dynamic_list_node): Likewise.
10654         * testsuite/Makefile.am (dynamic_list): New test.
10655         * testsuite/Makefile.in: Regenerated.
10656         * testsuite/dynamic_list.t: New file.
10657         * testsuite/dynamic_list.sh: New file.
10658
10659 2008-11-05  Craig Silverstein  <csilvers@google.com>
10660
10661         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10662         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10663         (t11_last): Likewise.
10664         * testsuite/ver_test_6.c (main): Likewise.
10665
10666 2008-10-07  Cary Coutant  <ccoutant@google.com>
10667
10668         * options.c (General_options::finalize): Add check for -static and
10669         -shared.
10670         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10671         is not empty.
10672
10673 2008-10-02  Cary Coutant  <ccoutant@google.com>
10674
10675         * plugin.cc (make_sized_plugin_object): Fix conditional
10676         compilation to work when not all targets are enabled.
10677
10678 2008-09-29  Cary Coutant  <ccoutant@google.com>
10679
10680         * archive.cc (Archive::get_file_and_offset): Use filename instead
10681         of name to get library path.
10682         (Archive::include_member): Unlock external member of a thin archive.
10683
10684         * testsuite/Makefile.am (TEST_AR): New variable.
10685         (thin_archive_test_1): New test.
10686         (thin_archive_test_2): New test.
10687         * testsuite/Makefile.in: Regenerate.
10688         * testsuite/thin_archive_main.cc: New file.
10689         * testsuite/thin_archive_test_1.cc: New file.
10690         * testsuite/thin_archive_test_2.cc: New file.
10691         * testsuite/thin_archive_test_3.cc: New file.
10692         * testsuite/thin_archive_test_4.cc: New file.
10693
10694 2008-09-29  Cary Coutant  <ccoutant@google.com>
10695
10696         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10697         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10698         instead of -1U.
10699         (Sized_relobj::do_finalize_local_symbols): Likewise.
10700         (Sized_relobj::map_to_kept_section): Likewise.
10701         * object.h (Sized_relobj::invalid_address): New constant.
10702         (Sized_relobj::do_output_section_offset): Check for invalid_address
10703         and return -1ULL.
10704         * output.cc (Output_reloc::local_section_offset): Use constant
10705         invalid_address instead of -1U.
10706         (Output_reloc::get_address): Likewise.
10707         (Output_section::output_address): Change -1U to -1ULL.
10708         * output.h (Output_reloc::invalid_address): New constant.
10709         * reloc.cc (Sized_relobj::write_sections): Use constant
10710         invalid_address instead of -1U.
10711         (Sized_relobj::relocate_sections): Likewise.
10712         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10713         values for merge sections.
10714         * target-reloc.h (relocate_for_relocatable): Use constant
10715         invalid_address instead of -1U.
10716
10717 2008-09-19  Cary Coutant  <ccoutant@google.com>
10718
10719         Add plugin functionality for link-time optimization (LTO).
10720         * configure.ac (plugins): Add --enable-plugins option.
10721         * configure: Regenerate.
10722         * config.in: Regenerate.
10723         * Makefile.am (LIBDL): New variable.
10724         (CCFILES): Add plugin.cc.
10725         (HFILES): Add plugin.h.
10726         (ldadd_var): Add LIBDL.
10727         * Makefile.in: Regenerate.
10728
10729         * archive.cc: Include "plugin.h".
10730         (Archive::setup): Don't preread archive symbols when using a plugin.
10731         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10732         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10733         files.
10734         (Archive::include_member): Add symbols from plugin objects.
10735         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10736         * descriptors.cc (Descriptors::open): Check for file descriptors
10737         abandoned by plugins.
10738         (Descriptors::claim_for_plugin): New function.
10739         * descriptors.h (Descriptors::claim_for_plugin): New function.
10740         (Open_descriptor::is_claimed): New field.
10741         (claim_descriptor_for_plugin): New function.
10742         * fileread.cc (File_read::claim_for_plugin): New function.
10743         * fileread.h (File_read::claim_for_plugin): New function.
10744         (File_read::descriptor): New function.
10745         * gold.cc: Include "plugin.h".
10746         (queue_initial_tasks): Add task to call plugin hooks for generating
10747         new object files.
10748         * main.cc: Include "plugin.h".
10749         (main): Load plugin libraries.
10750         * object.h (Pluginobj): Declare.
10751         (Object::pluginobj): New function.
10752         (Object::do_pluginobj): New function.
10753         (Object::set_target): New function.
10754         * options.cc: Include "plugin.h".
10755         (General_options::parse_plugin): New function.
10756         (General_options::General_options): Initialize plugins_ field.
10757         (General_options::add_plugin): New function.
10758         * options.h (Plugin_manager): Declare.
10759         (General_options): Add --plugin option.
10760         (General_options::has_plugins): New function.
10761         (General_options::plugins): New function.
10762         (General_options::add_plugin): New function.
10763         (General_options::plugins_): New field.
10764         * plugin.cc: New file.
10765         * plugin.h: New file.
10766         * readsyms.cc: Include "plugin.h".
10767         (Read_symbols::do_read_symbols): Check for archive before checking
10768         for ELF file.  Call plugin hooks to claim files.
10769         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10770         from a real object file; force override when processing replacement
10771         files.
10772         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10773         (Symbol::init_base_object): Likewise.
10774         (Symbol::init_base_output_data): Likewise.
10775         (Symbol::init_base_output_segment): Likewise.
10776         (Symbol::init_base_constant): Likewise.
10777         (Symbol::init_base_undefined): Likewise.
10778         (Symbol::output_section): Assert that object is not a plugin.
10779         (Symbol_table::add_from_pluginobj): New function.
10780         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10781         undefined.
10782         (Symbol_table::sized_write_globals): Likewise.
10783         (Symbol_table::add_from_pluginobj): Instantiate template.
10784         * symtab.h (Sized_pluginobj): Declare.
10785         (Symbol::in_real_elf): New function.
10786         (Symbol::set_in_real_elf): New function.
10787         (Symbol::in_real_elf_): New field.
10788         (Symbol_table::add_from_pluginobj): New function.
10789
10790         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10791         (LIBDL): New variable.
10792         (LDADD): Add LIBDL.
10793         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10794         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10795         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10796         (MOSTLYCLEANFILES): Likewise.
10797         * testsuite/Makefile.in: Regenerate.
10798         * testsuite/plugin_test.c: New file.
10799         * testsuite/plugin_test_1.sh: New file.
10800         * testsuite/plugin_test_2.sh: New file.
10801
10802 2008-09-16  Ian Lance Taylor  <iant@google.com>
10803
10804         * target-reloc.h (relocate_section): Check whether a symbol is
10805         defined by the ABI before reporting an undefined symbol error.
10806         * target.h (Target::is_defined_by_abi): Make parameter const.
10807         (Target::do_is_defined_by_abi): Likewise.
10808         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10809         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10810         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10811         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10812         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10813         * testsuite/Makefile.in: Rebuild.
10814
10815         * fileread.cc (make_view): Add casts to avoid warning.
10816
10817 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10818
10819         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10820         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10821
10822 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10823
10824         * options.h (General_options::output_is_executable): New.
10825         (General_options::output_is_pie): New.
10826         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10827         for shared libraries.
10828         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10829
10830 2008-09-11  Chris Demetriou  <cgd@google.com>
10831
10832         * options.h (origin): New -z option.
10833         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10834         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10835         in DT_FLAGS_1.
10836
10837 2008-09-05  Cary Coutant  <ccoutant@google.com>
10838
10839         * fileread.cc (File_read::make_view): Add check for attempt to map
10840         beyond end of file.
10841
10842 2008-09-05  Cary Coutant  <ccoutant@google.com>
10843
10844         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10845         explicit instantiations.
10846
10847 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10848
10849         PR gold/6858
10850         * options.cc (General_options::finalize): Allow undefined symbols
10851         in shlibs if linking -shared.
10852
10853         PR gold/6859
10854         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10855         symbols as not needing a dynsym entry.
10856
10857 2008-08-20  Craig Silverstein  <csilvers@google.com>
10858
10859         * fileread.cc (File_read::open): Do not lock the file unless it
10860         was successfully opened.
10861
10862 2008-08-14  Cary Coutant  <ccoutant@google.com>
10863
10864         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10865         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10866         * testsuite/tls_test.cc (struct int128): 128-bit struct
10867         for testing TLS relocs with non-zero addend.
10868         (v12): New TLS variable.
10869         (t12): New test.
10870         (t_last): Add check for v12.
10871         * testsuite/tls_test.h (t12): New function.
10872         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10873
10874 2008-08-13  Ian Lance Taylor  <iant@google.com>
10875
10876         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10877         set tls_segment_ or relro_segment_.
10878         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10879         when appropriate.
10880         * output.h (Output_section::clear_is_relro): New function.
10881         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10882         sections specially even when output_data_ is empty.
10883         (Output_segment::maximum_alignment): When first section is relro,
10884         only force alignment for PT_LOAD segments.
10885         * script.cc (script_data_segment_align): New function.
10886         (script_data_segment_relro_end): New function.
10887         * script-c.h (script_data_segment_align): Declare.
10888         (script_data_segment_relro_end): Declare.
10889         * script-sections.h (class Script_sections): Declare
10890         data_segment_align and data_segment_relro_end.  Add fields
10891         segment_align_index_ and saw_relro_end_.
10892         * script-sections.cc (class Sections_element): Add set_is_relro
10893         virtual function.  Add new bool* parameter to place_orphan_here.
10894         Add get_output_section virtual function.
10895         (class Output_section_definition): Add set_is_relro.  Add new
10896         bool* parameter to place_orphan_here.  Add get_output_section.
10897         Add is_relro_ field.
10898         (Output_section_definition::Output_section_definition): Initialize
10899         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10900         and is_relro_ fields.
10901         (Output_section_definition::place_orphan_here): Add is_relro
10902         parameter.
10903         (Output_section_definition::set_section_addresses): Set relro for
10904         output section.
10905         (Output_section_definition::alternate_constraint): Likewise.
10906         (class Orphan_output_section): Add new bool* parameter to
10907         place_orphan_here.  Add get_output_section.
10908         (Orphan_output_section::place_orphan_here): Add is_relro
10909         parameter.
10910         (Script_sections::Script_sections): Initialize
10911         data_segment_align_index_ and saw_relro_end_.
10912         (Script_sections::data_segment_align): New function.
10913         (Script_sections::data_segment_relro_end): New function.
10914         (Script_sections::place_orphan): Set or clear is_relro.
10915         (Script_sections::set_section_addresses): Force alignment of first
10916         TLS section.
10917         * yyscript.y (exp): Call script_data_segment_align and
10918         script_data_segment_relro_end.
10919         * testsuite/relro_script_test.t: New file.
10920         * testsuite/relro_test.cc (using_script): Declare.
10921         (t1, t2): Test using_script.
10922         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10923         (relro_script_test_SOURCES): Define.
10924         (relro_script_test_DEPENDENCIES): Define.
10925         (relro_script_test_LDFLAGS): Define.
10926         (relro_script_test_LDADD): Define.
10927         (relro_script_test.so): New target.
10928         * testsuite/Makefile.in: Rebuild.
10929
10930 2008-08-06  Cary Coutant <ccoutant@google.com>
10931
10932         * archive.cc (Archive::total_archives, Archive::total_members)
10933         (Archive::total_members_loaded): New variables.
10934         (Archive::setup): Add parameter.  Add option to preread
10935         archive symbols.
10936         (Archive::read_armap): Add counter.
10937         (Archive::get_file_and_offset): New function.
10938         (Archive::get_elf_object_for_member): New function.
10939         (Archive::read_all_symbols): New function.
10940         (Archive::read_symbols): New function.
10941         (Archive::add_symbols): Add counters.
10942         (Archive::include_all_members): Use armap to find members if it's
10943         already built.
10944         (Archive::include_member): Skip reading symbols if already read.
10945         Factored code into Archive::get_file_and_offset and
10946         Archive::get_elf_object_for_member.  Changed call to
10947         Mapfile::report_include_archive_member.
10948         (Archive::print_stats): New function.
10949         * archive.h: Declare Object and Read_symbols_data classes.
10950         (Archive::Archive): Add initializers for new members.
10951         (Archive::setup): Add parameter.
10952         (Archive::print_stats): New function.
10953         (Archive::total_archives, Archive::total_members)
10954         (Archive::total_members_loaded): New variables.
10955         (Archive::get_file_and_offset): New function.
10956         (Archive::get_elf_object_for_member): New function.
10957         (Archive::read_all_symbols): New function.
10958         (Archive::read_symbols): New function.
10959         (Archive::Archive_member): New class.
10960         (Archive::members_): New member.
10961         (Archive::num_members_): New member.
10962         * main.cc: Include archive.h.
10963         (main): Call Archive::print_stats.
10964         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10965         archive parameter; member_name is now the fully-decorated name.
10966         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10967         * options.h: (General_options): Add --preread-archive-symbols option.
10968         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10969         Archive::setup.
10970
10971 2008-08-04  Ian Lance Taylor  <iant@google.com>
10972
10973         * symtab.h (Symbol::use_plt_offset): New function.
10974         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10975         * powerpc.cc (Relocate::relocate): Likewise.
10976         * sparc.cc (Relocate::relocate): Likewise.
10977         * x86_64.cc (Relocate::relocate): Likewise.
10978         * testsuite/weak_plt.sh: New test.
10979         * testsuite/weak_plt_main.cc: New test.
10980         * testsuite/weak_plt_shared.cc: New test.
10981         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10982         (check_PROGRAMS): Add weak_plt.
10983         (check_DATA): Add weak_plt_shared.so.
10984         (weak_plt_main_pic.o, weak_plt): New targets.
10985         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10986         * testsuite/Makefile.in: Rebuild.
10987
10988         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10989         gcctestdir/ld.
10990         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10991         * testsuite/Makefile.in: Rebuild.
10992
10993 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10994
10995         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10996         * Makefile.in: Regenerate.
10997         * po/POTFILES.in: Regenerate.
10998
10999 2008-07-29  Ian Lance Taylor  <iant@google.com>
11000
11001         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11002         symbols before other symbols.
11003         * testsuite/script_test_2.cc (test_addr): Declare.
11004         (test_addr_alias): Declare.
11005         (main): Check that test_addr and test_addr_alias have the right
11006         values.
11007         * testsuite/script_test_2.t: Define test_addr_alias and
11008         test_addr.
11009
11010 2008-07-24  Ian Lance Taylor  <iant@google.com>
11011
11012         PR 5990
11013         * descriptors.cc: New file.
11014         * descriptors.h: New file.
11015         * gold-threads.h (class Hold_optional_lock): New class.
11016         * fileread.cc: Include "descriptors.h".
11017         (File_read::~File_read): Release descriptor rather than closing
11018         it.
11019         (File_read::open) [file]: Call open_descriptor rather than open.
11020         Set is_descriptor_opened_.
11021         (File_read::open) [memory]: Assert that descriptor is not open.
11022         (File_read::reopen_descriptor): New function.
11023         (File_read::release): Release descriptor.
11024         (File_read::do_read): Make non-const.  Reopen descriptor.
11025         (File_read::read): Make non-const.
11026         (File_read::make_view): Reopen descriptor.
11027         (File_read::do_readv): Likewise.
11028         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11029         Update declarations.
11030         * layout.cc: Include "descriptors.h".
11031         (Layout::create_build_id): Use open_descriptor rather than open.
11032         * output.cc: Include "descriptors.h".
11033         (Output_file::open): Use open_descriptor rather than open.
11034         * archive.cc (Archive::const_iterator): Change Archive to be
11035         non-const.
11036         (Archive::begin, Archive::end): Make non-const.
11037         (Archive::count_members): Likewise.
11038         * archive.h (class Archive): Update declarations.
11039         * object.h (Object::read): Make non-const.
11040         * Makefile.am (CCFILES): Add descriptors.cc.
11041         (HFILES): Add descriptors.h.
11042         * Makefile.in: Rebuild.
11043
11044         PR 6716
11045         * gold.h: Always include <clocale>.  Add Solaris workarounds
11046         following code in binutils/sysdep.h.
11047
11048         PR 6048
11049         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11050         this->eh_frame_hdr_ is NULL before using it.
11051
11052         * dynobj.cc (Versions::Versions): Update comment.
11053
11054         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11055         the base version name.
11056
11057         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11058         array size plus one.
11059         (Stringpool_template::set_string_offsets): Subtract one from key
11060         before using it as an array index.
11061         (Stringpool_template::get_offset_with_length): Likewise.
11062         (Stringpool_template::write_to_buffer): Likewise.
11063         * stringpool.h (Stringpool_template::get_offset_from_key):
11064         Likewise.
11065
11066 2008-07-23  Ian Lance Taylor  <iant@google.com>
11067
11068         PR 6658
11069         * object.h (Merged_symbol_value::value): Do our best to handle a
11070         negative addend.
11071
11072         PR 6647
11073         * script.cc (Version_script_info::get_versions): Don't add empty
11074         version tag to return value.
11075         (Version_script_info::get_symbol_version_helper): Change return
11076         type to bool.  Add pversion parameter.  Change all callers.
11077         (script_register_vers_node): Don't require a non-NULL tag.
11078         * script.h (class Version_script_info): Update declarations.
11079         (Version_script_info::get_symbol_version): Change return type to
11080         bool.  Add version parameter.  Change all callers.
11081         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11082         handling.  Handle an empty version from a version script.
11083         (Symbol_table::define_special_symbol): Likewise.
11084         * testsuite/ver_test_10.script: New file.
11085         * testsuite/ver_test_10.sh: New file.
11086         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11087         (check_DATA): Add ver_test_10.syms.
11088         (ver_test_10.syms, ver_test_10.so): New target.
11089         * testsuite/Makefile.in: Rebuild.
11090
11091 2008-07-23  Simon Baldwin  <simonb@google.com>
11092
11093         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11094         to zero for undefined symbols from dynamic libraries.
11095
11096 2008-07-23  Ian Lance Taylor  <iant@google.com>
11097
11098         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11099         Change all callers.
11100         * symtab.h (class Symbol_table): Update declaration.
11101         * testsuite/ver_test_9.cc: New file.
11102         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11103         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11104         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11105         (ver_test_9.so, ver_test_9.o): New targets.
11106         * testsuite/Makefile.in: Rebuild.
11107
11108 2008-07-22  Ian Lance Taylor  <iant@google.com>
11109
11110         * options.h (class General_options): Define --check-sections.
11111         * layout.cc (Layout::set_segment_offsets): Handle
11112         --check-sections.
11113
11114         * options.h (class General_options): Define -n/--nmagic and
11115         -N/--omagic.
11116         * options.cc (General_options::finalize): For -n/--nmagic or
11117         -N/--omagic, set -static.
11118         * layout.cc (Layout::attach_allocated_section_to_segment): If
11119         -N/--omagic, don't put read-only and read-write sections in
11120         different segments.
11121         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11122         finding a read-only segment.
11123         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11124         don't set the minimum segment alignment to the common page size,
11125         and don't set the file offset to the address modulo the page size.
11126         * script-sections.cc (Script_sections::create_segments): If
11127         -n/--omagic, don't put read-only and read-write sections in
11128         different segments.
11129
11130         * cref.cc: New file.
11131         * cref.h: New file.
11132         * options.h (class General_options): Add --print-symbol-counts.
11133         * main.cc (main): Issue defined symbol report if requested.
11134         * archive.cc (Archive::interpret_header): Make into a const member
11135         function.
11136         (Archive::add_symbols): Call Input_objects::archive_start and
11137         archive_stop.
11138         (Archive::const_iterator): Define new class.
11139         (Archive::begin, Archive::end): New functions.
11140         (Archive::include_all_members): Rewrite to use iterator.
11141         (Archive::count_members): New function.
11142         * archive.h (class Archive): Update declarations.
11143         (Archive::filename): New function.
11144         * object.cc: Include "cref.h".
11145         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11146         (Sized_relobj::do_get_global_symbol_counts): New function.
11147         (Input_objects::add_object): Add object to cross-referencer.
11148         (Input_objects::archive_start): New function.
11149         (Input_objects::archive_stop): New function.
11150         (Input_objects::print_symbol_counts): New function.
11151         * object.h: Declare Cref and Archive.
11152         (Object::get_global_symbol_counts): New function.
11153         (Object::do_get_global_symbol_counts): New pure virtual function.
11154         (class Sized_relobj): Add defined_count_ field.  Update
11155         declarations.
11156         (class Input_objects): Add cref_ field.  Update constructor.
11157         Update declarations.
11158         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11159         defined_count_.
11160         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11161         symbol counts.
11162         (Sized_dynobj::do_get_global_symbol_counts): New function.
11163         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11164         defined_count_.  Update declarations.  Define Symbols typedef.
11165         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11166         parameter.  Change all callers.
11167         (Symbol_table::add_from_dynobj): Add sympointers and defined
11168         parameters.  Change all callers.
11169         * symtab.h (class Symbol_table): Update declarations.
11170         * Makefile.am (CCFILES): Add cref.cc.
11171         (HFILES): Add cref.h.
11172         * Makefile.in: Rebuild.
11173
11174 2008-07-22  Simon Baldwin  <simonb@google.com>
11175
11176         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11177         to zero when writing undefined symbols.
11178
11179 2008-07-22  Ian Lance Taylor  <iant@google.com>
11180
11181         * output.cc (Output_section::add_input_section): Don't try to
11182         merge empty merge sections.
11183
11184 2008-07-21  Craig Silverstein  <csilvers@google.com>
11185
11186         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11187         Include symbol version in error message.
11188
11189 2008-07-20  Chris Demetriou  <cgd@google.com>
11190
11191         * configure.ac (gold_cv_c_random_seed): New configured variable.
11192         (RANDOM_SEED_CFLAGS): New substituted variable.
11193         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11194         * configure: Rebuild.
11195         * Makefile.in: Likewise.
11196         * testsuite/Makefile.in: Likewise.
11197
11198 2008-07-18  Ian Lance Taylor  <iant@google.com>
11199
11200         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11201         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11202         * testsuite/ver_test_main.cc (main): Call t4.
11203         (t4, t4_2a): Define.
11204         * testsuite/ver_test_2.cc (t4_2): Define.
11205         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11206         * testsuite/ver_test_4.cc (t4_2a): Define.
11207         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11208         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11209
11210 2008-07-17  Ian Lance Taylor  <iant@google.com>
11211
11212         * dynobj.cc (Versions::add_def): If we give an error about a
11213         missing version, go ahead and create the version anyhow.
11214
11215 2008-07-10  Ian Lance Taylor  <iant@google.com>
11216
11217         Handle output sections with more than 0x7fffffff bytes.
11218         * object.h (class Relobj): Change map_to_output_ to
11219         output_sections_, and just keep a section pointer.  Change all
11220         uses.  Move comdat group support to Sized_relobj.
11221         (Relobj::is_section_specially_mapped): Remove.
11222         (Relobj::output_section): Remove poff parameter.  Change all
11223         callers.
11224         (Relobj::output_section_offset): New function.
11225         (Relobj::set_section_offset): Rewrite.
11226         (Relobj::map_to_output): Remove.
11227         (Relobj::output_sections): New function.
11228         (Relobj::do_output_section_offset): New pure virtual function.
11229         (Relobj::do_set_section_offset): Likewise.
11230         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11231         group support from Relobj.  Update declarations.
11232         (Sized_relobj::get_output_section_offset): New function.
11233         (Sized_relobj::do_output_section_offset): New function.
11234         (Sized_relobj::do_set_section_offset): New function.
11235         * object.cc (Relobj::output_section_address): Remove.
11236         (Sized_relobj::Sized_relobj): Initialize new fields.
11237         (Sized_relobj::include_section_group): Cast find_kept_object to
11238         Sized_relobj.
11239         (Sized_relobj::include_linkonce_section): Likewise.
11240         (Sized_relobj::do_layout): Use separate arrays for output section
11241         and output offset.
11242         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11243         output_sections.
11244         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11245         output_sections and section_offsets.
11246         (Sized_relobj::write_local_symbols): Likewise.
11247         (map_to_kept_section): Compute output address directly.
11248         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11249         output_sections and section_offsets.
11250         (Sized_relobj::write_sections): Likewise.
11251         (Sized_relobj::relocate_sections): Likewise.
11252         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11253         * output.h (class Output_reloc): Update declarations.  Change
11254         u2_.relobj to Sized_relobj*.
11255         (class Output_data_reloc): Change add functions to use
11256         Sized_relobj*.
11257         * output.cc (Output_reloc::Output_reloc): Change relobj to
11258         Sized_relobj*.
11259         (Output_reloc::local_section_offset): Change return type to
11260         Elf_Addr.  Use get_output_section_offset.
11261         (Output_reloc::get_address): Likewise.
11262         (Output_section::is_input_address_mapped): Don't call
11263         is_section_specially_mapped.
11264         (Output_section::output_offset): Likewise.
11265         (Output_section::output_address): Likewise.
11266         (Output_section::starting_output_address): Likewise.
11267         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11268         parameter to Sized_relobj*.
11269         (Copy_relocs::need_copy_reloc): Likewise.
11270         (Copy_relocs::save): Likewise.
11271         * copy-relocs.h (class Copy_relocs): Update declarations.
11272         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11273         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11274         * target-reloc.h (relocate_for_relocatable): Change
11275         offset_in_output_section type to Elf_Addr.  Change code that uses
11276         it as well.
11277         * layout.cc (Layout::layout): Always set *off.
11278         * mapfile.cc (Mapfile::print_input_section): Use
11279         output_section_offset.
11280         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11281         Sized_relobj*.
11282         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11283         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11284         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11285
11286 2008-07-03  Ian Lance Taylor  <iant@google.com>
11287
11288         * layout.cc (Layout::include_section): Do not discard unrecognized
11289         SHT_STRTAB sections.
11290
11291 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11292
11293         * script.cc (Lex::can_continue_name): Make '?' allowable in
11294         version-script names.
11295         * testsuite/version_script.map: Change glob pattern to use '?'
11296
11297 2008-06-30  Manish Singh  <yosh@gimp.org>
11298
11299         PR 6585
11300         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11301         Correct typo.
11302
11303 2008-06-30  Ian Lance Taylor  <iant@google.com>
11304
11305         PR 6660
11306         PR 6682
11307         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11308         versions]: Don't try to read the value in the contents, since we
11309         don't use it.  Use the template endianness when writing.
11310
11311 2008-06-25  Cary Coutant  <ccoutant@google.com>
11312
11313         * fileread.cc (File_read::make_view): Assert on zero-length view.
11314         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11315         symbol table when there are no symbols to read.
11316
11317 2008-06-23  Craig Silverstein  <csilvers@google.com>
11318
11319         * version.cc (version_string): Bump to 1.7
11320
11321 2008-06-18  Craig Silverstein  <csilvers@google.com>
11322
11323         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11324         constant 0xFFFF to type Valtype.
11325         (Powerpc_relocate_functions::rel16_ha): Likewise.
11326
11327 2008-06-17  Ian Lance Taylor  <iant@google.com>
11328
11329         * output.h (Output_section::Input_section): Initialize p2align_ to
11330         zero for Output_section_data constructors.
11331         (Output_section::Input_section::addralign): If not an input
11332         section, return the alignment of the Output_section_data.
11333         * testsuite/copy_test.cc: New file.
11334         * testsuite/copy_test_1.cc: New file.
11335         * testsuite/copy_test_2.cc: New file.
11336         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11337         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11338         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11339         (copy_test_1_pic.o, copy_test_1.so): New targets.
11340         (copy_test_2_pic.o, copy_test_2.so): New targets.
11341         * testsuite/Makefile.in: Rebuild.
11342
11343         * script-sections.cc (Script_sections::place_orphan): Initialize
11344         local variable exact.
11345
11346 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11347
11348         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11349
11350 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11351             David S. Miller  <davem@davemloft.net>
11352
11353         * powerpc.cc: New file.
11354         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11355         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11356         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11357         * Makefile.in: Rebuild.
11358
11359 2008-06-09  Ian Lance Taylor  <iant@google.com>
11360
11361         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11362         <exception>.
11363         (throwing, orig_terminate): New static variables.
11364         (terminate_handler): New static function.
11365         (t2): Set terminate handler.
11366
11367 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11368
11369         PR 6584
11370         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11371         alignment.
11372
11373 2008-05-30  Cary Coutant  <ccoutant@google.com>
11374
11375         * archive.cc (Archive::include_all_members) Correct to step
11376         over symbol table and extended name table in thin archives.
11377
11378 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11379
11380         PR 6407
11381         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11382         calculation.
11383
11384 2008-05-28  Caleb Howe  <cshowe@google.com>
11385
11386         * reduced_debug_output.cc: New file.
11387         * reduced_debug_output.h: New file.
11388         * options.h (class General_options): Add --strip-debug-non-line.
11389         * options.cc (General_options::finalize): Add strip_debug_non_line
11390         to the strip heirarchy.
11391         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11392         fields.
11393         * layout.cc: Include "reduced_debug_output.h".
11394         (Layout::Layout): Initialize new fields.
11395         (line_only_debug_sections): New static array.
11396         (is_lines_only_debug_sections): New static inline function.
11397         (Layout::include_section): Handle --strip-debug-non-line.
11398         (Layout::make_output_section): If --strip-debug-non-line, build
11399         new output sections for .debug_abbrev and .debug_info.
11400         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11401         gold.  Warn about possible overflow.
11402         (read_signed_LEB_128): Likewise.
11403         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11404         (read_signed_LEB_128): Declare.
11405         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11406         (HFILES): Add reduced_debug_output.h.
11407         * Makefile.in: Rebuild.
11408
11409 2008-05-21  Ian Lance Taylor  <iant@google.com>
11410
11411         * mapfile.cc: New file.
11412         * mapfile.h: New file.
11413         * options.h (class General_options): Add -M/--print-map and -Map.
11414         * options.cc (General_options::finalize): Make -M equivalent to
11415         -Map -.
11416         * main.cc: Include <cstdio> and "mapfile.h".
11417         (main): Open mapfile if requested.
11418         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11419         constructor.  Change caller.
11420         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11421         (queue_middle_tasks): Likewise.
11422         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11423         declarations.
11424         * archive.cc: Include "mapfile.h".
11425         (Archive::add_symbols): Add mapfile parameter.  Change all
11426         callers.  Pass mapfile, symbol, and reason to include_member.
11427         (Archive::include_all_members): Add mapfile parameter.  Change all
11428         callers.
11429         (Archive::include_member): Add mapfile, sym, and why parameters.
11430         Change all callers.  Report inclusion to map file.
11431         * archive.h: Include "fileread.h".
11432         (class Archive): Update declarations.
11433         (Archive::file): New const method.
11434         (class Add_archive_symbols): Add mapfile_ field.  Update
11435         constructor.  Change all callers.
11436         * readsyms.h (class Read_symbols): Likewise.
11437         (class Finish_group): Likewise.
11438         (class Read_script): Likewise.
11439         * common.cc: Include "mapfile.h".
11440         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11441         all callers.
11442         (Symbol_table::do_allocate_commons): Likewise.
11443         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11444         symbol allocation to mapfile.
11445         * common.h (class Allocate_commons_task): Add mapfile_ field.
11446         Update constructor.  Change all callers.
11447         * symtab.h (class Symbol_table): Update declarations.
11448         * layout.cc: Include "mapfile.h".
11449         (Layout_task_runner::run): Print information to mapfile.
11450         (Layout::create_gold_note): Change Output_data_fixed_space to
11451         Output_data_zero_fill.
11452         (Layout::create_build_id): Likewise.
11453         (Layout::print_to_mapfile): New function.
11454         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11455         constructor.  Change caller.
11456         (class Layout): Declare print_to_mapfile.
11457         * output.cc (Output_section::Input_section::print_to_mapfile): New
11458         function.
11459         (Output_section::add_input_section): If producing a map, always
11460         add to input_sections_ list.
11461         (Output_section::do_print_to_mapfile): New function.
11462         (Output_segment::print_sections_to_mapfile): New function.
11463         (Output_segment::print_section_list_to_mapfile): New function.
11464         * output.h: Include "mapfile.h".
11465         (Output_data::print_to_mapfile): New function.
11466         (Output_data::do_print_to_mapfile): New virtual function.
11467         (Output_segment_headers::do_print_to_mapfile): New function.
11468         (Output_file_header::do_print_to_mapfile): New function.
11469         (Output_data_const::do_print_to_mapfile): New function.
11470         (class Output_data_const_buffer): Add map_name_ field.  Update
11471         constructor.  Change all callers.  Add do_print_to_mapfile
11472         function.
11473         (class Output_data_fixed_space): Likewise.
11474         (class Output_data_space): Likewise.
11475         (class Output_data_zero_fill): New class.
11476         (Output_data_strtab::do_print_to_mapfile): New function.
11477         (Output_data_reloc_base::do_print_to_mapfile): New function.
11478         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11479         (Output_data_group::do_print_to_mapfile): New function.
11480         (Output_data_got::do_print_to_mapfile): New function.
11481         (Output_data_dynamic::do_print_to_mapfile): New function.
11482         (Output_symtab_xindex::do_print_to_mapfile): New function.
11483         (class Output_section): Declare do_print_to_mapflie.  Declare
11484         print_to_mapfile in Input_section.
11485         (class Output_segment): Declare new functions.
11486         * object.h (Sized_relobj::symbol_count): New function.
11487         * script-sections.cc
11488         (Output_section_element_dot_assignment::set_section_addresses):
11489         Change Output_data_fixed_space to Output_data_zero_fill.
11490         (Output_data_expression::do_print_to_mapfile): New function.
11491         * script.cc (read_input_script): Add mapfile parameter.  Change
11492         all callers.
11493         * script.h (read_input_script): Update declaration.
11494         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11495         (Eh_frame::do_print_to_mapfile): New function.
11496         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11497         (Output_merge_string::do_print_to_mapfile): New function.
11498         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11499         function.
11500         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11501         function.
11502         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11503         function.
11504         * Makefile.am (CCFILES): Add mapfile.cc.
11505         (HFILES): Add mapfile.h.
11506         * Makefile.in: Rebuild.
11507
11508 2008-05-19  Ian Lance Taylor  <iant@google.com>
11509
11510         * options.h (class General_options): Add -z relro.
11511         * layout.cc (Layout::Layout): Initialize relro_segment_.
11512         (Layout::add_output_section_data): Return the output section.
11513         (Layout::make_output_section): Rcognize relro sections and mark
11514         them appropriately.
11515         (Layout::attach_allocated_section_to_segment): Put relro sections
11516         in a PT_GNU_RELRO segment.
11517         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11518         section as relro.
11519         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11520         PT_TLS segments.
11521         (Layout::linkonce_mapping): Map d.rel.ro.local to
11522         .data.rel.ro.local.
11523         (Layout::output_section_name): Us .data.rel.ro.local for any
11524         section which begins with that.
11525         * layout.h (class Layout): Update add_output_section_data
11526         declaration.  Add relro_segment_ field.
11527         * output.cc (Output_section::Output_section): Initialize is_relro_
11528         and is_relro_local_ fields.
11529         (Output_segment::add_output_section): Group relro sections.
11530         (Output_segment::is_first_section_relro): New function.
11531         (Output_segment::maximum_alignment): If there is a relro section,
11532         align the segment to the common page size.
11533         (Output_segment::set_section_addresses): Track whether we are
11534         looking at relro sections.  If the last section is a relro
11535         section, align to the common page size.
11536         (Output_segment::set_section_list_addresses): Add in_relro
11537         parameter.  Change all callers.  Align to the page size when
11538         moving from relro to non-relro section.
11539         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11540         segment.
11541         * output.h (class Output_section): Add is_relro_ and
11542         is_relro_local_ fields.
11543         (Output_section::is_relro): New function.
11544         (Output_section::set_is_relro): New function.
11545         (Output_section::is_relro_local): New function.
11546         (Output_section::set_is_relro_local): New function.
11547         (class Output_segment): Update declarations.
11548         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11549         * sparc.cc (Target_sparc::got_section): Likewise.
11550         * x86_64.cc (Target_x86_64::got_section): Likewise.
11551         * testsuite/relro_test_main.cc: New file.
11552         * testsuite/relro_test.cc: New file.
11553         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11554         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11555         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11556         (relro_test.so, relro_test_pic.o): New targets.
11557         * testsuite/Makefile.in: Rebuild.
11558
11559 2008-05-16  Ian Lance Taylor  <iant@google.com>
11560
11561         * output.cc (Output_segment::add_output_section): Remove front
11562         parameter.
11563         * output.h (class Output_segment): Remove
11564         add_initial_output_section and overloaded add_output_section.
11565         Update declaration of remaining add_output_section.
11566         * layout.cc (Layout::create_interp): Call add_output_section
11567         rather than add_initial_output_section.
11568         (Layout::finish_dynamic_section): Likewise.
11569
11570         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11571         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11572         know the dynamic type.
11573         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11574         field.  Initialize it in constructor.
11575         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11576         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11577         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11578         reloc.
11579
11580         * output.cc (Output_reloc::get_address): Change return type to
11581         Elf_Addr.
11582         * output.h (class Output_reloc): Update get_address declaration.
11583         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11584         for section addresses.
11585
11586 2008-05-09  Ian Lance Taylor  <iant@google.com>
11587
11588         PR 6493
11589         * gold.cc (gold_nomem): Use return value of write.
11590
11591 2008-05-08  Ian Lance Taylor  <iant@google.com>
11592
11593         * symtab.c (Symbol::init_base_output_data): Add version
11594         parameter.  Change all callers.
11595         (Symbol::init_base_output_segment): Likewise.
11596         (Symbol::init_base_constant): Likewise.
11597         (Symbol::init_base_undefined): Likewise.
11598         (Sized_symbol::init_output_data): Likewise.
11599         (Sized_symbol::init_output_segment): Likewise.
11600         (Sized_symbol::init_constant): Likewise.
11601         (Sized_symbol::init_undefined): Likewise.
11602         (Symbol_table::do_define_in_output_data): If the new symbol has a
11603         version, mark it as the default.
11604         (Symbol_table::do_define_in_output_segment): Likewise.
11605         (Symbol_table::do_define_as_constant): Likewise.
11606         * symtab.h (class Symbol): Update declarations.
11607         (class Sized_symbol): Likewise.
11608         * resolve.cc (Symbol::override_version): New function.
11609         (Symbol::override_base): Call override_version.
11610         (Symbol::override_base_with_special): Likewise.
11611         * testsuite/ver_script_8.script: New file.
11612         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11613         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11614         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11615         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11616
11617 2008-05-06  Ian Lance Taylor  <iant@google.com>
11618
11619         PR 6049
11620         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11621         functions.
11622         (class General_options): Remove existing --undefined, and add
11623         --no-undefined instead.  Add new --undefined as synonym for -u.
11624         * archive.cc (Archive::add_symbols): Check whether symbol was
11625         named with -u.
11626         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11627         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11628         all uses.  Add IS_UNDEFINED.  Update declarations to split
11629         different versions of init_base.  Declare init_base_undefined.
11630         (Symbol::is_defined): Handle IS_UNDEFINED.
11631         (Symbol::is_undefined): Likewise.
11632         (Symbol::is_weak_undefined): Call is_undefined.
11633         (Symbol::is_absolute): Handle IS_CONSTANT.
11634         (class Sized_symbol): Update declarations to split different
11635         versions of init.  Declare init_undefined.
11636         (class Symbol_table): Declare new functions.
11637         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11638         Change all callers.
11639         (Symbol::init_base_output_data): Likewise.
11640         (Symbol::init_base_output_segment): Likewise.
11641         (Symbol::init_base_constant): Likewise.
11642         (Symbol::init_base_undefined): New function.
11643         (Sized_symbol::init_object): Rename from init.  Change all
11644         callers.
11645         (Sized_symbol::init_output_data): Likewise.
11646         (Sized_symbol::init_output_segment): Likewise.
11647         (Sized_symbol::init_constant): Likewise.
11648         (Sized_symbol::init_undefined): New function.
11649         (Symbol_table::add_undefined_symbols_from_command_line): New
11650         function.
11651         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11652         function.
11653         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11654         (Symbol::output_section): Likewise.
11655         (Symbol::set_output_section): Likewise.
11656         (Symbol_table::sized_finalize_symbol): Likewise.
11657         (Symbol_table::sized_write_globals): Likewise.
11658         * resolve.cc (Symbol_table::should_override): Likewise.
11659         (Symbol::override_base_with_special): Likewise.
11660
11661         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11662         symbol, change it to have default visibility.
11663         * testsuite/protected_1.cc: New file.
11664         * testsuite/protected_2.cc: New file.
11665         * testsuite/protected_3.cc: New file.
11666         * testsuite/protected_main_1.cc: New file.
11667         * testsuite/protected_main_2.cc: New file.
11668         * testsuite/protected_main_3.cc: New file.
11669         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11670         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11671         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11672         (protected_1.so): New target.
11673         (protected_1_pic.o, protected_2_pic.o): New targets.
11674         (protected_3_pic.o): New target.
11675         (check_PROGRAMS): Add protected_2.
11676         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11677         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11678         * testsuite/Makefile.in: Rebuild.
11679
11680         * options.h (DEFINE_var): Add set_user_set_##varname__.
11681         (DEFINE_bool_alias): New macro.
11682         (class General_options): Define -Bstatic using DEFINE_bool_alias
11683         rather than DEFINE_special.  Add --undefined as an alias for -z
11684         defs.
11685         * options.cc (General_options::parse_Bstatic): Remove.
11686
11687         * options.h (class General_options): Add --fatal-warnings.
11688         * main.cc (main): Implement --fatal-warnings.
11689         * errors.h (Errors::warning_count): New function.
11690
11691         * options.h (class General_options): Add -Bsymbolic-functions.
11692         * symtab.h (Symbol::is_preemptible): Check for
11693         -Bsymbolic-functions.
11694
11695 2008-05-05  Ian Lance Taylor  <iant@google.com>
11696
11697         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11698         as noVARNAME rather than no-VARNAME.
11699         (class General_options): Add option -z combreloc.
11700         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11701         get_address.
11702         (Output_reloc::sort_before) [SHT_REL]: New function.
11703         (Output_reloc::sort_before) [SHT_RELA]: New function.
11704         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11705         Sort_relocs_comparison.
11706         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11707         parameter.  Change all callers.
11708         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11709         sort_relocs parameter.  Change all callers.
11710         * output.cc (Output_reloc::get_address): New function, broken out
11711         of write_rel.
11712         (Output_reloc::write_rel): Call it.
11713         (Output_reloc::compare): New function.
11714         (Output_data_reloc_base::do_write): Optionally sort relocs.
11715
11716         * configure.ac: If targ_extra_obj is set, link it in.
11717         * configure.tgt: Initialize all variables.
11718         (x86_64*): Set targ_extra_obj and targ_extra_size.
11719         * configure: Rebuild.
11720
11721         * object.cc (Sized_relobj::include_section_group): Adjust section
11722         indexes read from group data.  Build vector to pass to
11723         layout_group.
11724         * layout.cc (Layout::layout_group): Add flags and shndxes
11725         parameters.  Remove contents parameter.  Change caller.  Update
11726         explicit instantiations.
11727         * layout.h (class Layout): Update layout_group declaration.
11728         * output.cc (Output_data_group::Output_data_group): Add flags and
11729         input_shndxes parameters.  Remove contents parameter.  Change
11730         caller.
11731         (Output_data_group::do_write): Change input_sections_ to
11732         input_shndxes_.
11733         * output.h (class Output_data_group): Update constructor
11734         declaration.  Rename input_sections_ to input_shndxes_.
11735         * testsuite/many_sections_test.cc: Add template.
11736
11737 2008-04-30  Cary Coutant  <ccoutant@google.com>
11738
11739         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11740
11741         * layout.cc (Layout::include_section): Refactored check for debug
11742         info section.
11743         (Layout::add_comdat): Add new parameters.  Change type
11744         of signature parameter.  Add object and shndx to signatures table.
11745         (Layout::find_kept_object): New function.
11746         * layout.h: Include <cstring>.
11747         (Layout::is_debug_info_section): New function.
11748         (Layout::add_comdat): Add new parameters.
11749         (Layout::find_kept_object): New function.
11750         (Layout::Kept_section): New struct.
11751         (Layout::Signatures): Change type of map range.
11752         * object.cc (Relobj::output_section_address): New function.
11753         (Sized_relobj::include_section_group): Add new parameters.  Change
11754         calls to Layout::add_comdat.  Change to build table of kept comdat
11755         groups and table mapping discarded sections to kept sections.
11756         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11757         (Sized_relobj::do_layout): Change calls to include_section_group and
11758         include_linkonce_section.
11759         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11760         value to zero when section is discarded.
11761         (Sized_relobj::map_to_kept_section): New function.
11762         * object.h (Relobj::output_section_address): New function.
11763         (Relobj::Comdat_group): New type.
11764         (Relobj::find_comdat_group): New function.
11765         (Relobj::Comdat_group_table): New type.
11766         (Relobj::Kept_comdat_section): New type.
11767         (Relobj::Kept_comdat_section_table): New type.
11768         (Relobj::add_comdat_group): New function.
11769         (Relobj::set_kept_comdat_section): New function.
11770         (Relobj::get_kept_comdat_section): New function.
11771         (Relobj::comdat_groups_): New field.
11772         (Relobj::kept_comdat_sections_): New field.
11773         (Symbol_value::input_value): Update comment.
11774         (Sized_relobj::map_to_kept_section) New function.
11775         (Sized_relobj::include_linkonce_section): Add new parameter.
11776         * target-reloc.h (Comdat_behavior): New type.
11777         (get_comdat_behavior): New function.
11778         (relocate_section): Add code to map a discarded section to the
11779         corresponding kept section when applying a relocation.
11780
11781 2008-04-30  Craig Silverstein  <csilvers@google.com>
11782
11783         * dwarf_reader.cc (next_generation_count): New static var.
11784         (Addr2line_cache_entry): New struct.
11785         (addr2line_cache): New static var.
11786         (Dwarf_line_info::one_addr2line): Added caching.
11787         (Dwarf_line_info::clear_addr2line_cache): New function.
11788         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11789         cache-size parameter.
11790         (Dwarf_line_info::one_addr2line_cache): New function.
11791         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11792         new cache-size argument to one_addr2line(), and clear cache.
11793
11794 2008-04-28  Cary Coutant  <ccoutant@google.com>
11795
11796         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11797         R_386_PC8 relocations.
11798
11799 2008-04-23  Ian Lance Taylor  <iant@google.com>
11800
11801         * object.cc (Sized_relobj::include_section_group): Check for
11802         invalid section group.
11803
11804         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11805         header size.
11806
11807         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11808         than read for file header.
11809         * archive.cc (Archive::include_member): Likewise.
11810
11811 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11812
11813         * aclocal.m4: Regenerate.
11814         * configure: Regenerate.
11815
11816 2008-04-19  Ian Lance Taylor  <iant@google.com>
11817
11818         * version.cc (version_string): Bump to 1.6.
11819
11820         * testsuite/Makefile.am (many_sections_r_test): New target.
11821         (many_sections_r_test_SOURCES): Remove.
11822         (many_sections_r_test_DEPENDENCIES): Remove.
11823         (many_sections_r_test_LDFLAGS): Remove.
11824         (many_sections_r_test_LDADD): Remove.
11825
11826         * object.cc (Sized_relobj::do_add_symbols): Always pass
11827         local_symbol_count_ to add_from_relobj.
11828
11829         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11830         every thousand variables.
11831         * testsuite/Makefile.in: Rebuild.
11832
11833         * object.cc (Xindex::initialize_symtab_xindex): New function.
11834         (Xindex::read_symtab_xindex): New function.
11835         (Xindex::sym_xindex_to_shndx): New function.
11836         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11837         available.
11838         (Sized_relobj::do_initialize_xindex): New function.
11839         (Sized_relobj::do_read_symbols): Adjust section links.
11840         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11841         parameter.  Change all callers.
11842         (Sized_relobj::include_section_group): Adjust section links and
11843         symbol section indexes.
11844         (Sized_relobj::do_layout): Adjust section links.
11845         (Sized_relobj::do_count_local_symbols): Adjust section links and
11846         symbol section indexes.
11847         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11848         ordinary and special symbols.
11849         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11850         dynsym_xindex parameters.  Change all callers.  Adjust section
11851         links.  Use SHN_XINDEX when needed.
11852         (Sized_relobj::get_symbol_location_info): Adjust section links.
11853         Don't get fooled by special symbols.
11854         * object.h (class Xindex): Define.
11855         (class Object): Add xindex_ parameter.  Declare virtual functoin
11856         do_initialize_xindex.
11857         (Object::adjust_sym_shndx): New function.
11858         (Object::set_xindex): New protected function.
11859         (class Symbol_value): Add is_ordinary_shndx_ field.
11860         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11861         (Symbol_value::value): Assert ordinary section.
11862         (Symbol_value::initialize_input_to_output_map): Likewise.
11863         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11864         Change all callers.
11865         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11866         all callers.
11867         (class Sized_relobj): Update declarations.
11868         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11869         parameter.  Change all callers.
11870         (Sized_relobj::adjust_shndx): New function.
11871         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11872         field.
11873         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11874         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11875         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11876         (Sized_dynobj::read_dynsym_section): Adjust section links.
11877         (Sized_dynobj::read_dynamic): Likewise.
11878         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11879         section links.
11880         (Sized_dynobj::do_initialize_xindex): New function.
11881         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11882         do_initialize_xindex.
11883         (Sized_dynobj::adjust_shndx): New function.
11884         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11885         dynsym_xindex_ fields.
11886         (Layout::finalize): Add a call to set_section_indexes before
11887         creating the symtab sections.
11888         (Layout::set_section_indexes): Don't do anything if the section
11889         already has a section index.
11890         (Layout::create_symtab_sections): Add shnum parameter.  Change
11891         caller.  Create .symtab_shndx section if needed.
11892         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11893         caller.
11894         (Layout::allocated_output_section_count): New function.
11895         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11896         needed.
11897         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11898         fields.  Update declarations.
11899         (Layout::symtab_xindex): New function.
11900         (Layout::dynsym_xindex): New function.
11901         (class Write_symbols_task): Add layout_ field.
11902         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11903         Change caller.
11904         * output.cc (Output_section_headers::Output_section_headers): Add
11905         shstrtab_section parameter.  Change all callers.
11906         (Output_section_headers::do_sized_write): Store overflow values
11907         for section count and section string table section index in
11908         section header zero.
11909         (Output_file_header::do_sized_write): Check for overflow of
11910         section count and section string table section index.
11911         (Output_symtab_xindex::do_write): New function.
11912         (Output_symtab_xindex::endian_do_write): New function.
11913         * output.h (class Output_section_headers): Add shstrtab_section_.
11914         Update declarations.
11915         (class Output_symtab_xindex): Define.
11916         (Output_section::has_out_shndx): New function.
11917         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11918         field.
11919         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11920         Change all callers.
11921         (Sized_symbol::init): Likewise.
11922         (Symbol::output_section): Check for ordinary symbol.
11923         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11924         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11925         callers.
11926         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11927         Change all callers.  Simplify handling of symbols from sections
11928         not included in the link.
11929         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11930         distinction.
11931         (Weak_alias_sorter::operator()): Assert that symbols are
11932         ordinary.
11933         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11934         distinction.
11935         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11936         parameters.  Change all callers.
11937         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11938         symbol distinction.  Use SHN_XINDEX when needed.
11939         (Symbol_table::write_section_symbol): Add symtab_xindex
11940         parameter.  Change all callers.
11941         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11942         SHN_XINDEX when needed.
11943         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11944         declarations.
11945         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11946         (Symbol::is_defined): Check is_ordinary.
11947         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11948         (Symbol::is_absolute, Symbol::is_common): Likewise.
11949         (class Sized_symbol): Update declarations.
11950         (class Symbol_table): Update declarations.
11951         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11952         parameters.  Change all callers.
11953         (Sized_symbol::override): Likewise.
11954         (Symbol_table::override): Likewise.
11955         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11956         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11957         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11958         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11959         to be in an ordinary section.
11960         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11961         object and is_ordinary parameters.  Change all callers.
11962         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11963         Change all callers.  Don't add undefined or non-ordinary symbols
11964         to reloc_map_.
11965         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11966         Change all callers.
11967         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11968         declarations.
11969         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11970         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11971         (Sized_relobj::relocate_sections): Likewise.
11972         * target-reloc.h (scan_relocs): Adjust section symbol index.
11973         (scan_relocatable_relocs): Likewise.
11974         * i386.cc (Scan::local): Check for ordinary symbols.
11975         * sparc.cc (Scan::local): Likewise.
11976         * x86_64.cc (Scan::local): Likewise.
11977         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11978         to symbol_section_and_value.
11979         * testsuite/many_sections_test.cc: New file.
11980         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11981         (check_PROGRAMS): Add many_sections_test.
11982         (many_sections_test_SOURCES): Define.
11983         (many_sections_test_DEPENDENCIES): Define.
11984         (many_sections_test_LDFLAGS): Define.
11985         (BUILT_SOURCES): Add many_sections_define.h.
11986         (many_sections_define.h): New target.
11987         (BUILT_SOURCES): Add many_sections_check.h.
11988         (many_sections_check.h): New target.
11989         (check_PROGRAMS): Add many_sections_r_test.
11990         (many_sections_r_test_SOURCES): Define.
11991         (many_sections_r_test_DEPENDENCIES): Define.
11992         (many_sections_r_test_LDFLAGS): Define.
11993         (many_sections_r_test_LDADD): Define.
11994         (many_sections_r_test.o): New target.
11995         * testsuite/Makefile.in: Rebuild.
11996
11997 2008-04-17  Cary Coutant  <ccoutant@google.com>
11998
11999         * errors.cc (Errors::info): New function.
12000         (gold_info): New function.
12001         * errors.h (Errors::info): New function.
12002         * gold.h (gold_info): New function.
12003         * object.cc (Input_objects::add_object): Print trace output.
12004         * options.cc (options::parse_set): New function.
12005         (General_options::parse_wrap): Deleted.
12006         (General_options::General_options): Deleted initializer.
12007         * options.h (options::String_set): New typedef.
12008         (options::parse_set): New function.
12009         (DEFINE_set): New macro.
12010         (General_options::wrap): Changed to use DEFINE_set. Changed
12011         callers of any_wrap_symbols and is_wrap_symbol.
12012         (General_options::trace, General_options::trace_symbol):
12013         New options.
12014         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12015         (General_options::wrap_symbols_): Deleted.
12016         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12017
12018 2008-04-17  David S. Miller  <davem@davemloft.net>
12019
12020         * options.cc (General_options::parse_V): New function.
12021         * options.h: Add entries for -V and -Qy.
12022
12023 2008-04-17  Ian Lance Taylor  <iant@google.com>
12024
12025         * common.cc (Symbol_table::allocate_commons): Remove options
12026         parameter.  Change caller.
12027         (Symbol_table::do_allocate_commons): Remove options parameter.
12028         Change caller.  Just call do_allocate_commons_list twice.
12029         (Symbol_table::do_allocate_commons_list): New function, broken out
12030         of do_allocate_commons.
12031         * common.h (class Allocate_commons_task): Remove options_ field.
12032         Update constructor.
12033         * symtab.cc (Symbol_table::Symbol_table): Initialize
12034         tls_commons_.
12035         (Symbol_table::add_from_object): Put TLS common symbols on
12036         tls_commons_ list.
12037         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12038         which are IN_OUTPUT_DATA.
12039         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12040         allocate_commons and do_allocate_commons declarations.  Declare
12041         do_allocate_commons_list.
12042         * gold.cc (queue_middle_tasks): Update creation of
12043         Allocate_commons_task to not pass options.
12044         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12045         (TLS_TEST_C_FLAGS): New variable.
12046         (tls_test_c_pic.o): New target.
12047         (tls_test_shared.so): Link in tls_test_c_pic.o.
12048         (tls_test_c_pic_ie.o): New target.
12049         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12050         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12051         (tls_test_c.o): New target.
12052         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12053         (tls_pic_test_LDADD): Likewise.
12054         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12055         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12056         (tls_test_c_gnu2.o): New target.
12057         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12058         tls_test_c_gnu2.o.
12059         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12060         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12061         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12062         * testsuite/tls_test.cc: Include "config.h".
12063         (t_last): Call t11_last.
12064         * testsuite/tls_test.h (t11, t11_last): Declare.
12065         * testsuite/tls_test_c.c: New file.
12066         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12067         * configure.ac: Check for OpenMP support.
12068         * configure, config.in, Makefile.in: Rebuild.
12069         * testsuite/Makefile.in: Rebuild.
12070
12071 2008-04-16  Cary Coutant  <ccoutant@google.com>
12072
12073         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12074         (Target_i386::tls_base_symbol_defined_): New field.
12075         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12076         (Target_i386::Scan::global): Likewise.
12077         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12078         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12079         (Target_x86_64::tls_base_symbol_defined_): New field.
12080         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12081         (Target_x86_64::Scan::global): Likewise.
12082
12083 2008-04-16  Cary Coutant  <ccoutant@google.com>
12084
12085         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12086         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12087         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12088         building shared libraries.
12089         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12090         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12091         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12092         * testsuite/Makefile.in: Rebuild.
12093         * testsuite/weak_undef.h: New file.
12094         * testsuite/weak_undef_file1.cc: Add extra test cases.
12095         * testsuite/weak_undef_file2.cc: Likewise.
12096         * testsuite/weak_undef_test.cc: Likewise.
12097
12098 2008-04-16  David S. Miller  <davem@davemloft.net>
12099
12100         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12101         Add issued_non_pic_error_ field.  Declare check_non_pic.
12102         (Target_sparc::Scan::check_non_pic): New function.
12103         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12104         (Target_sparc::Scan::global): Likewise.
12105
12106         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12107         * configure: Rebuild.
12108
12109         * options.h (DEFINE_enable): New macro.
12110         (new_dtags): New enable option.
12111         (initfirst, interpose, loadfltr, nodefaultlib,
12112         nodelete, nodlopen, nodump): New -z options.
12113         * layout.cc (Layout:finish_dynamic_section): If new
12114         dtags enabled, emit DT_RUNPATH.  Also, emit a
12115         DT_FLAGS_1 containing any specified -z flags.
12116
12117 2008-04-16  Ian Lance Taylor  <iant@google.com>
12118
12119         * copy-relocs.cc: New file.
12120         * copy-relocs.h: New file.
12121         * reloc.cc: Remove Copy_relocs code.
12122         * reloc.h: Likewise.
12123         * reloc-types.h (struct Reloc_types) [both versions]: Add
12124         get_reloc_addend_noerror.
12125         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12126         variants of add_global which take an addend which must be zero.
12127         * i386.cc: Include "copy-relocs.h".
12128         (class Target_i386): Change type of copy_relocs_ to variable,
12129         update initializer.
12130         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12131         Change all callers.
12132         (Target_i386::do_finalize_sections): Change handling of
12133         copy_relocs_.
12134         * sparc.cc: Include "copy-relocs.h".
12135         (class Target_sparc): Change type of copy_relocs_ to variable,
12136         update initializer.
12137         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12138         Change all callers.
12139         (Target_sparc::do_finalize_sections): Change handling of
12140         copy_relocs_.
12141         * x86_64.cc: Include "copy-relocs.h".
12142         (class Target_x86_64): Change type of copy_relocs_ to variable,
12143         update initializer.
12144         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12145         class.  Change all callers.
12146         (Target_x86_64::do_finalize_sections): Change handling of
12147         copy_relocs_.
12148         * Makefile.am (CCFILES): Add copy-relocs.cc.
12149         (HFILES): Add copy-relocs.h.
12150
12151         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12152
12153         * testsuite/script_test_4.sh: Permit leading zeroes.
12154
12155 2008-04-15  Ian Lance Taylor  <iant@google.com>
12156
12157         * script-sections.cc (Script_sections::create_segments): Use
12158         header_size_adjustment even when there is enough room for the
12159         headers.
12160         * testsuite/script_test_4.sh: New file.
12161         * testsuite/script_test_4.t: New file.
12162         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12163         (check_DATA): Add script_test_4.stdout.
12164         (MOSTLYCLEANFILES): Likewise.
12165         (script_test_4): New target.
12166         (script_test_4.stdout): New target.
12167         * testsuite/Makefile.in: Rebuild.
12168
12169         * sparc.cc: Add definitions for Output_data_plt_sparc class
12170         constants.
12171
12172 2008-04-14  David S. Miller  <davem@davemloft.net>
12173
12174         * sparc.cc: New file.
12175         * Makefile.am (TARGETSOURCES): Add sparc.cc
12176         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12177         * configure.tgt: Document targ_extra_size and
12178         targ_extra_big_endian.  Add entries for sparc-* and
12179         sparc64-*.
12180         * configure.ac: Handle targ_extra_size and
12181         targ_extra_big_endian.
12182         * Makefile.in: Rebuild.
12183         * configure: Likewise.
12184         * po/POTFILES.in: Likewise.
12185         * po/gold.pot: Likewise.
12186
12187 2008-04-14  Ian Lance Taylor  <iant@google.com>
12188
12189         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12190         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12191         in the name/type/flags to section mapping.  Don't call
12192         allocate_output_section.
12193         (Layout::choose_output_section): Change parameter from adjust_name
12194         to is_input_section.  Don't permit input sections after sections
12195         are attached to segments.  Don't call allocate_output_section.
12196         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12197         not write_enable_output_section.
12198         (Layout::make_output_section): Don't push to
12199         unattached_section_list_ nor call attach_to_segment.  Call
12200         attach_section_to_segment if sections are attached.
12201         (Layout::attach_sections_to_segments): New function.
12202         (Layout::attach_section_to_segment): New function.
12203         (Layout::attach_allocated_section_to_segment): Rename from
12204         attach_to_segment.  Remove flags parameter.
12205         (Layout::allocate_output_section): Remove function.
12206         (Layout::write_enable_output_section): Remove function.
12207         * layout.h (class Layout): Update for above changes.  Add new
12208         field sections_are_attached_.
12209         * output.h (Output_section::update_flags_for_input_section): New
12210         function.
12211         * output.cc (Output_section::add_input_section): Call
12212         update_flags_for_input_section.
12213         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12214
12215 2008-04-11  Cary Coutant  <ccoutant@google.com>
12216
12217         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12218         thought unnecessary.
12219         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12220
12221 2008-04-11  Ian Lance Taylor  <iant@google.com>
12222
12223         * output.h (class Output_section_data): Remove inline definition
12224         of set_addralign.
12225         * output.cc (Output_section_data::set_addralign): New function.
12226
12227 2008-04-11  Cary Coutant  <ccoutant@google.com>
12228
12229         Add support for TLS descriptors for i386 and x86_64.
12230         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12231         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12232         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12233         GOT_TYPE_TLS_DESC.
12234         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12235         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12236         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12237         relocations.
12238         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12239         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12240         Fix problem with initial-exec relocations.
12241         (Target_i386::Relocate::relocate_tls): Likewise.
12242         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12243         relaxation.
12244         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12245         support for section-plus-offset dynamic table entries.
12246         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12247         (Output_data_dynamic::Dynamic_entry): Add support for
12248         section-plus-offset dynamic table entries.
12249         (Output_data_dynamic::Classification): Likewise.
12250         (Output_data_dynamic::classification_): Renamed offset_.
12251         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12252         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12253         (Target_x86_64::make_plt_section): New function.
12254         (Target_x86_64::reserve_tlsdesc_entries): New function.
12255         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12256         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12257         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12258         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12259         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12260         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12261         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12262         add extra PLT entry for TLS descriptors.
12263         (Output_data_plt_x86_64::got_): New field.
12264         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12265         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12266         fields.
12267         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12268         descriptors.
12269         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12270         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12271         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12272         R_386_TLS_DESC_CALL relocations.
12273         (Target_x86_64::Scan::global): Likewise.
12274         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12275         for TLS descriptors.
12276         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12277         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12278         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12279         GD-to-IE relaxation.
12280         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12281         and TLS_DESCRIPTORS.
12282         * Makefile.in: Rebuild.
12283         * configure: Rebuild.
12284         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12285         (tls_test_shared2.so): New target.
12286         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12287         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12288         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12289         (tls_shared_gd_to_ie_test_LDADD): New variable.
12290         (tls_shared_gnu2_gd_to_ie_test): New target.
12291         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12292         New targets.
12293         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12294         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12295         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12296         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12297         (tls_shared_gnu2_test): New target.
12298         (tls_test_gnu2_shared.so): New target.
12299         (tls_shared_gnu2_test_SOURCES): New variable.
12300         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12301         (tls_shared_gnu2_test_LDFLAGS): New variable.
12302         (tls_shared_gnu2_test_LDADD): New variable.
12303         * testsuite/Makefile.in: Rebuild.
12304         * testsuite/Makefile.
12305
12306 2008-04-11  Ian Lance Taylor  <iant@google.com>
12307
12308         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12309         justsyms.t.
12310         * testsuite/Makefile.in: Rebuild.
12311
12312         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12313         long.
12314         * testsuite/script_test_2.cc (main): Adjust test.
12315
12316 2008-04-11  David S. Miller  <davem@davemloft.net>
12317             Ian Lance Taylor  <iant@google.com>
12318
12319         * options.h (General_options): Add entries for '-Y' and
12320         '-relax'.
12321         * options.cc (General_options:finalize): If -Y was used, add those
12322         entries to the library path instead of the default "/lib" and
12323         "/usr/lib".
12324
12325 2008-04-11  David S. Miller  <davem@davemloft.net>
12326
12327         * testsuite/justsyms.t: Start at 0x100.
12328         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12329         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12330         long.
12331         * testsuite/script_test_2.cc: Adjust string and section length
12332         checks.
12333
12334 2008-04-09  Ian Lance Taylor  <iant@google.com>
12335
12336         PR gold/5996
12337         * script-sections.cc (Sections_element::allocate_to_segment): Add
12338         orphan parameter.
12339         (Output_section_definition::allocate_to_segment): Likewise.
12340         (Orphan_output_section::allocate_to_segment): Likewise.
12341         (Script_sections::attach_sections_using_phdrs_clause): Don't
12342         propagate non-PT_LOAD segments to orphan sections.
12343         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12344         readelf rather than objdump.
12345         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12346         .interp section and PT_INTERP segment are the same size.
12347         * testsuite/Makefile.in: Rebuild.
12348
12349         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12350         aliases for symbols defined in the same object.
12351         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12352         (weak_alias_test_SOURCES): New variable.
12353         (weak_alias_test_DEPENDENCIES): New variable.
12354         (weak_alias_test_LDFLAGS): New variable.
12355         (weak_alias_test_LDADD): New variable.
12356         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12357         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12358         (weak_alias_test_3.o): New target.
12359         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12360         * testsuite/weak_alias_test_main.cc: New file.
12361         * testsuite/weak_alias_test_1.cc: New file.
12362         * testsuite/weak_alias_test_2.cc: New file.
12363         * testsuite/weak_alias_test_3.cc: New file.
12364
12365 2008-04-08  Ian Lance Taylor  <iant@google.com>
12366
12367         * options.h (class General_options): Add --noinhibit-exec option.
12368         * main.cc (main): Check --noinhibit-exec.
12369
12370         * options.h (class General_options): Define --wrap as a special
12371         option.  Add wrap_symbols_ field.
12372         (General_options::any_wrap_symbols): New function.
12373         (General_options::is_wrap_symbol): New function.
12374         * options.cc (General_options::parse_wrap): New function.
12375         (General_options::General_options): Initialize wrap_symbols_.
12376         * symtab.cc (Symbol_table::wrap_symbol): New function.
12377         (Symbol_table::add_from_object): Handle --wrap.
12378         * symtab.h (class Symbol_table): Declare wrap_symbol.
12379         * target.h (Target::wrap_char): New function.
12380         (Target::Target_info): Add wrap_char field.
12381         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12382         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12383         * testsuite/testfile.cc (Target_test::test_target_info):
12384         Likewise.
12385
12386         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12387         there is one.
12388
12389         * layout.h (class Layout): Add added_eh_frame_data_ field.
12390         * layout.cc (Layout::Layout): Initialize new field.
12391         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12392         output section until we find a section we merged successfully.
12393         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12394         that the size be non-zero.
12395
12396         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12397         qualifier.
12398
12399 2008-04-08  Craig Silverstein  <csilvers@google.com>
12400
12401         * configure.ac: Export new conditional variable HAVE_ZLIB.
12402         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12403         on HAVE_ZLIB.
12404         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12405         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12406
12407 2008-04-07  Ian Lance Taylor  <iant@google.com>
12408
12409         * version.cc (version_string): Set to "1.5".
12410
12411         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12412         Add issued_non_pic_error_ field.  Declare check_non_pic.
12413         (Target_x86_64::Scan::check_non_pic): New function.
12414         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12415         (Target_x86_64::Scan::global): Likewise.
12416
12417         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12418         addend parameter.  Change caller.  Handle merge sections.
12419         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12420         Address to Addend.  Don't add in the result of
12421         local_section_offset, pass down the addend and use the returned
12422         value.
12423         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12424         Update declarations of local_section_offset and symbol_value.
12425         * testsuite/two_file_test_1.cc (t18): New function.
12426         * testsuite/two_file_test_2.cc (f18): New function.
12427         * testsuite/two_file_test_main.cc (main): Call t18.
12428         * testsuite/two_file_test.h (t18, f18): Declare.
12429
12430         * configure.ac: Don't test for objdump, c++filt, or readelf.
12431         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12432         conditionals.
12433         (TEST_READELF): New variable.
12434         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12435         (check_PROGRAMS): Add two_file_strip_test.
12436         (two_file_strip_test): New target.
12437         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12438         (two_file_same_shared_strip_test_SOURCES): New variable.
12439         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12440         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12441         (two_file_same_shared_strip_test_LDADD): New variable.
12442         (two_file_shared_strip.so): New target.
12443         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12444         (ver_test_5.syms, ver_test_7.syms): Likewise.
12445         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12446         (strip_test_3.stdout): Use TEST_OBJDUMP.
12447         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12448
12449 2008-04-04  Cary Coutant  <ccoutant@google.com>
12450
12451         * symtab.h (Symbol::is_weak_undefined): New function.
12452         (Symbol::is_strong_undefined): New function.
12453         (Symbol::is_absolute): New function.
12454         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12455         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12456         absolute symbols.
12457         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12458         (weak_undef_test): New target.
12459         * testsuite/Makefile.in: Rebuild.
12460         * testsuite/weak_undef_file1.cc: New file.
12461         * testsuite/weak_undef_file2.cc: New file.
12462         * testsuite/weak_undef_test.cc: New file.
12463
12464 2008-04-03  Craig Silverstein  <csilvers@google.com>
12465
12466         * compressed_output.h (class Output_compressed_section): Use
12467         unsigned buffer.
12468         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12469         add zlib header.
12470         (zlib_compressed_suffix): Removed.
12471         (Output_compressed_section::set_final_data_size): Use unsigned
12472         buffers.
12473         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12474         Fix linker invocation.
12475         (flagstest_o_specialfile_and_compress_debug_sections):
12476         Likewise.
12477         * testsuite/Makefile.in: Regenerated.
12478
12479 2008-04-02  David S. Miller  <davem@davemloft.net>
12480
12481         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12482         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12483
12484 2008-04-02  Craig Silverstein  <csilvers@google.com>
12485
12486         * TODO: New file.
12487
12488 2008-04-02  Ian Lance Taylor  <iant@google.com>
12489
12490         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12491         parameters.  Update for new key type to views_.  Change all
12492         callers.
12493         (File_read::read): Adjust for byteshift in returned view.
12494         (File_read::add_view): New function, broken out of
12495         find_and_make_view.
12496         (File_read::make_view): New function, broken out of
12497         find_and_make_view.
12498         (File_read::find_or_make_view): Add offset and aligned
12499         parameters.  Rewrite accordingly.  Change all callers.
12500         (File_read::get_view): Add offset and aligned parameters.  Adjust
12501         for byteshift in return value.
12502         (File_read::get_lasting_view): Likewise.
12503         * fileread.h (class File_read): Update declarations.
12504         (class File_read::View): Add byteshift_ field.  Add byteshift to
12505         constructor.  Add byteshift method.
12506         * archive.h (Archive::clear_uncached_views): New function.
12507         (Archive::get_view): Add aligned parameter.  Change all callers.
12508         * object.h (Object::get_view): Add aligned parameter.  Change all
12509         callers.
12510         (Object::get_lasting_view): Likewise.
12511
12512         * fileread.cc (File_read::release): Don't call clear_views if
12513         there are multiple objects.
12514         * fileread.h (File_read::clear_uncached_views): New function.
12515         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12516         on the archive.
12517
12518 2008-03-31  Cary Coutant  <ccoutant@google.com>
12519
12520         Add thin archive support.
12521         * archive.cc (Archive::armagt): New const.
12522         (Archive::setup): Remove task parameter and calls to unlock.
12523         (Archive::unlock_nested_archives): New function.
12524         (Archive::read_header): Add nested_off parameter. Change
12525         all callers.
12526         (Archive::interpret_header): Likewise.
12527         (Archive::include_all_members): Change to handle thin
12528         archives.
12529         (Archive::include_member): Likewise.
12530         * archive.h (Archive::Archive): Add new parameters and
12531         initializers.
12532         (Archive::armagt): New const.
12533         (Archive::setup): Remove task parameter.
12534         (Archive::unlock_nested_archives): New function.
12535         (Archive::read_header): Add nested_off parameter.
12536         (Archive::interpret_header): Likewise.
12537         (Archive::Nested_archive_table): New typedef.
12538         (Archive::is_thin_archive_): New field.
12539         (Archive::nested_archives_): New field.
12540         (Archive::options_): New field.
12541         (Archive::dirpath_): New field.
12542         (Archive::task_): New field.
12543         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12544         for thin archives.  Pass additional parameters to
12545         Archive::Archive.  Unlock the archive file after calling
12546         Archive::setup.
12547
12548 2008-03-29  Ian Lance Taylor  <iant@google.com>
12549
12550         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12551         version symbol to be local.
12552         * testsuite/ver_test_4.sh: New file.
12553         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12554         (check_DATA): Add ver_test_4.syms.
12555         (ver_test_4.syms): New target.
12556         * testsuite/Makefile.in: Rebuild.
12557
12558         * output.cc
12559         (Output_section::Input_section_sort_entry::has_priority): New
12560         function.
12561         (Output_section::Input_section_sort_entry::match_file_name): New
12562         function.
12563         (Output_section::Input_section_sort_entry::match_section_name):
12564         Remove.
12565         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12566         Remove.
12567         (Output_section::Input_section_sort_entry::match_section_file):
12568         Remove.
12569         (Output_section::Input_section_sort_compare::operator()): Rewrite
12570         using new Input_section_sort_entry functions.  Sort crtbegin and
12571         crtend first.  Sort sections with no priority before sections with
12572         a priority.
12573         * testsuite/initpri1.c (d3): Check j != 4.
12574         (cd5): New constructor/destructor function.
12575         (main): Check j != 2.
12576
12577         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12578         new symbol when resolving, don't call set_is_default.
12579         * testsuite/ver_test_7.cc: New file.
12580         * testsuite/ver_test_7.sh: New file.
12581         * testsuite/Makefile.am (ver_test_7.so): New target.
12582         (ver_test_7.o): New target.
12583         (check_SCRIPTS): Add ver_test_7.sh.
12584         (check_DATA): Add ver_test_7.syms.
12585         (ver_test_7.syms): New target.
12586
12587 2008-03-28  Ian Lance Taylor  <iant@google.com>
12588
12589         * layout.cc (Layout::layout): If we see an input section with a
12590         name that needs sorting, set the must_sort flag for the output
12591         section.
12592         (Layout::make_output_section): If the name of the output section
12593         indicates that it might require sorting, set the may_sort flag.
12594         * output.h (Output_section::may_sort_attached_input_sections): New
12595         function.
12596         (Output_section::set_may_sort_attached_input_sections): New
12597         function.
12598         (Output_section::must_sort_attached_input_sections): New
12599         function.
12600         (Output_section::set_must_sort_attached_input_sections): New
12601         function.
12602         (class Output_section): Declare Input_section_sort_entry.  Define
12603         Input_section_sort_compare.  Declare
12604         sort_attached_input_sections.  Add new fields:
12605         may_sort_attached_input_sections_,
12606         must_sort_attached_input_sections_,
12607         attached_input_sections_are_sorted_.
12608         * output.cc (Output_section::Output_section): Initialize new
12609         fields.
12610         (Output_section::add_input_section): Add an entry to
12611         input_sections_ if may_sort or must_sort are true.
12612         (Output_section::set_final_data_size): Call
12613         sort_attached_input_sections if necessary.
12614         (Output_section::Input_section_sort_entry): Define new class.
12615         (Output_section::Input_section_sort_compare::operator()): New
12616         function.
12617         (Output_section::sort_attached_input_sections): New function.
12618         * configure.ac: Check whether the compiler supports constructor
12619         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12620         * testsuite/initpri1.c: New file.
12621         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12622         CONSTRUCTOR_PRIORITY.
12623         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12624         (initpri1_LDFLAGS): New variable.
12625         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12626
12627 2008-03-27  Ian Lance Taylor  <iant@google.com>
12628
12629         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12630         * testsuite/common_test_1.c: New file.
12631         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12632         (common_test_1_SOURCES): New variable.
12633         (common_test_1_DEPENDENCIES): New variable.
12634         (common_test_1_LDFLAGS): New variable.
12635
12636         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12637         and commons_ correctly when NAME/VERSION does not override
12638         NAME/NULL.
12639         * testsuite/ver_test_6.c: New file.
12640         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12641         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12642         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12643
12644 2008-03-26  Ian Lance Taylor  <iant@google.com>
12645
12646         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12647         of an undefined symbol from a version script.
12648         * testsuite/Makefile.am (ver_test_5.so): New target.
12649         (ver_test_5.o): New target.
12650         (check_SCRIPTS): Add ver_test_5.sh.
12651         (check_DATA): Add ver_test_5.syms.
12652         (ver_test_5.syms): New target.
12653         * testsuite/ver_test_5.cc: New file.
12654         * testsuite/ver_test_5.script: New file.
12655         * testsuite/ver_test_5.sh: New file.
12656         * Makefile.in, testsuite/Makefile.in: Rebuild.
12657
12658         PR gold/5986
12659         Fix problems building gold with gcc 4.3.0.
12660         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12661         (gold_error_at_location, gold_warning_at_location): Use it.
12662         * configure.ac: Check whether we can compile and use a template
12663         function with a printf attribute.
12664         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12665         when jumping over bytes.
12666         * object.cc: Instantiate Object::read_section_data.
12667         * debug.h: Include <cstring>
12668         * dwarf_reader.cc: Include <algorithm>
12669         * main.cc: Include <cstring>.
12670         * options.cc: Include <cstring>.
12671         * output.cc: Include <cstring>.
12672         * script.cc: Include <cstring>.
12673         * script.h: Include <string>.
12674         * symtab.cc: Include <cstring> and <algorithm>.
12675         * target-select.cc: Include <cstring>.
12676         * version.cc: Include <string>.
12677         * testsuite/testmain.cc: Include <cstdlib>.
12678         * configure, config.in: Rebuild.
12679
12680 2008-03-25  Ian Lance Taylor  <iant@google.com>
12681
12682         * options.cc: Include "../bfd/bfdver.h".
12683         (options::help): Print bug reporting address.
12684
12685         * version.cc (print_version): Adjust output for current value of
12686         BFD_VERSION_STRING.
12687
12688         * NEWS: New file.
12689
12690         * options.cc (options::help): Print list of supported targets.
12691         * target-select.h: Include <vector>.
12692         (class Target_selector): Make machine_, size_, and is_big_endian_
12693         fields const.  Add bfd_name_ and instantiated_target_ fields.
12694         (Target_selector::Target_selector): Add bfd_name parameter.
12695         (Target_selector::recognize): Make non-virtual, call
12696         do_recognize.
12697         (Target_selector::recognize_by_name): Make non-virtual, call
12698         do_recognize_by_name.
12699         (Target_selector::supported_names): New function.
12700         (Target_selector::bfd_name): New function.
12701         (Target_selector::do_instantiate_target): New pure virtual
12702         function.
12703         (Target_selector::do_recognize): New virtual function.
12704         (Target_selector::do_recognize_by_name): New virtual function.
12705         (Target_selector::instantiate_target): New private function.
12706         (supported_target_names): Declare.
12707         * target-select.cc (Target_selector::Target_selector): Update for
12708         new parameter and fields.
12709         (select_target_by_name): Check that the name matches before
12710         calling recognize_by_name.
12711         (supported_target_names): New function.
12712         * i386.cc (class Target_selector_i386): Update Target_selector
12713         constructor call.  Remove recognize and recognize_by_name.  Add
12714         do_instantiate_target.
12715         * x86_64.cc (class Target_selector_x86_64): Likewise.
12716         * testsuite/testfile.cc (class Target_selector_test): Update for
12717         changes to Target_selector.
12718
12719         * README: Rewrite, with some notes on unsupported features.
12720
12721 2008-03-24  Cary Coutant  <ccoutant@google.com>
12722
12723         * i386.cc (Target_i386::Got_type): New enum declaration.
12724         (Target_i386::Scan::local): Updated callers of Output_data_got
12725         member functions.
12726         (Target_i386::Scan::global): Likewise.
12727         (Target_i386::Relocate::relocate): Likewise.
12728         (Target_i386::Relocate::relocate_tls): Likewise.
12729         * object.h (Got_offset_list): New class.
12730         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12731         (Sized_relobj::local_got_offset): Likewise.
12732         (Sized_relobj::set_local_got_offset): Likewise.
12733         (Sized_relobj::local_has_tls_got_offset): Removed.
12734         (Sized_relobj::local_tls_got_offset): Removed.
12735         (Sized_relobj::set_local_tls_got_offset): Removed.
12736         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12737         * output.cc (Output_data_got::add_global): Added got_type parameter.
12738         (Output_data_got::add_global_with_rel): Likewise.
12739         (Output_data_got::add_global_with_rela): Likewise.
12740         (Output_data_got::add_global_pair_with_rel): New function.
12741         (Output_data_got::add_global_pair_with_rela): New function.
12742         (Output_data_got::add_local): Added got_type parameter.
12743         (Output_data_got::add_local_with_rel): Likewise.
12744         (Output_data_got::add_local_with_rela): Likewise.
12745         (Output_data_got::add_local_pair_with_rel): New function.
12746         (Output_data_got::add_local_pair_with_rela): New function.
12747         (Output_data_got::add_global_tls): Removed.
12748         (Output_data_got::add_global_tls_with_rel): Removed.
12749         (Output_data_got::add_global_tls_with_rela): Removed.
12750         (Output_data_got::add_local_tls): Removed.
12751         (Output_data_got::add_local_tls_with_rel): Removed.
12752         (Output_data_got::add_local_tls_with_rela): Removed.
12753         * output.h (Output_data_got::add_global): Added got_type parameter.
12754         (Output_data_got::add_global_with_rel): Likewise.
12755         (Output_data_got::add_global_with_rela): Likewise.
12756         (Output_data_got::add_global_pair_with_rel): New function.
12757         (Output_data_got::add_global_pair_with_rela): New function.
12758         (Output_data_got::add_local): Added got_type parameter.
12759         (Output_data_got::add_local_with_rel): Likewise.
12760         (Output_data_got::add_local_with_rela): Likewise.
12761         (Output_data_got::add_local_pair_with_rel): New function.
12762         (Output_data_got::add_local_pair_with_rela): New function.
12763         (Output_data_got::add_global_tls): Removed.
12764         (Output_data_got::add_global_tls_with_rel): Removed.
12765         (Output_data_got::add_global_tls_with_rela): Removed.
12766         (Output_data_got::add_local_tls): Removed.
12767         (Output_data_got::add_local_tls_with_rel): Removed.
12768         (Output_data_got::add_local_tls_with_rela): Removed.
12769         * resolve.cc (Symbol::override_base_with_special): Removed
12770         reference to has_got_offset_ field.
12771         * symtab.cc (Symbol::init_fields): Replaced initialization
12772         of got_offset_ with got_offsets_.  Removed initialization
12773         of has_got_offset_
12774         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12775         (Symbol::got_offset): Likewise.
12776         (Symbol::set_got_offset): Likewise.
12777         (Symbol::has_tls_got_offset): Removed.
12778         (Symbol::tls_got_offset): Removed.
12779         (Symbol::set_tls_got_offset): Removed.
12780         (Symbol::got_offset_): Removed.
12781         (Symbol::tls_mod_got_offset_): Removed.
12782         (Symbol::tls_pair_got_offset_): Removed.
12783         (Symbol::got_offsets_): New field.
12784         (Symbol::has_got_offset): Removed.
12785         (Symbol::has_tls_mod_got_offset): Removed.
12786         (Symbol::has_tls_pair_got_offset): Removed.
12787         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12788         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12789         member functions.
12790         (Target_x86_64::Scan::global): Likewise.
12791         (Target_x86_64::Relocate::relocate): Likewise.
12792         (Target_x86_64::Relocate::relocate_tls): Likewise.
12793
12794 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12795
12796         * yyscript.y: Fix spelling error in comment.
12797
12798 2008-03-24  Ian Lance Taylor  <iant@google.com>
12799
12800         * options.h (class General_options): Define build_id option.
12801         * layout.h (class Layout): Declare write_build_id, create_note,
12802         create_build_id.  Add build_id_note_ member.
12803         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12804         "libiberty.h", "md5.h", "sha1.h".
12805         (Layout::Layout): Initialize eh_frame_data_,
12806         eh_frame_hdr_section_, and build_id_note_.
12807         (Layout::finalize): Call create_build_id.
12808         (Layout::create_note): New function, broken out of
12809         Layout::create_gold_note.
12810         (Layout::create_gold_note): Call create_note.
12811         (Layout::create_build_id): New function.
12812         (Layout::write_build_id): New function.
12813         (Close_task_runner::run): Call write_build_id.
12814
12815         * x86_64.cc: Correct license to GPLv3.
12816
12817 2008-03-23  Ian Lance Taylor  <iant@google.com>
12818
12819         * options.cc: Include "demangle.h".
12820         (parse_optional_string): New function.
12821         (parse_long_option): Handle takes_optional_argument.
12822         (parse_short_option): Update dash_z initializer.  Handle
12823         takes_optional_argument.
12824         (General_options::General_options): Initialize do_demangle_.
12825         (General_options::finalize): Set do_demangle_.  Handle demangling
12826         style.
12827         * options.h (parse_optional_string): Declare.
12828         (struct One_option): Add optional_arg field.  Update constructor.
12829         Update call constructor calls.  Add takes_optional_argument
12830         function.
12831         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12832         (DEFINE_optional_string): Define.
12833         (General_options::demangle): Change from DEFINE_bool to
12834         DEFINE_optional_string.
12835         (General_options::no_demangle): New function.
12836         (General_options::do_demangle): New function.
12837         (General_options::set_do_demangle): New function.
12838         (General_options::execstack_status_): Move definition to end of
12839         class definition.
12840         (General_options::static_): Likewise.
12841         (General_options::do_demangle_): New field.
12842         * object.cc (big_endian>::get_symbol_location_info): Call
12843         Options::do_demangle, not Options::demangle.
12844         * symtab.cc (demangle): Likewise.
12845
12846 2008-03-22  Ian Lance Taylor  <iant@google.com>
12847
12848         * gold.h: Include <cstddef> and <sys/types.h>
12849         * options.h: Include <cstring>.
12850
12851 2008-03-21  Ian Lance Taylor  <iant@google.com>
12852
12853         * Added source code to GNU binutils.