gold/ChangeLog

   1 2012-04-26  Mark Wielaard  <mjw@redhat.com>
   2
   3         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
   4         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
   5         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
   6         DW_AT_high_pc as offset from DW_AT_low_pc.
   7
   8         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
   9         * testsuite/Makefile.in: Regenerate.
  10         * testsuite/gdb_index_test_3.c: New test source file.
  11         * testsuite/gdb_index_test_3.sh: New test source file.
  12
  13 2012-04-25  Ian Lance Taylor  <iant@google.com>
  14
  15         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
  16         pointer.
  17         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
  18         as a class, not a struct.
  19         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
  20         (Target_arm::apply_cortex_a8_workaround): Likewise.
  21         * gc.h: Declare Reloc_types as a struct, not a class.
  22         * object.h: Declare Symbols_data as a struct.
  23         * reloc.h: Declare Read_relocs_data as a struct.
  24         * target.h: Declare Relocate_info as a struct.
  25
  26 2012-04-24  David S. Miller  <davem@davemloft.net>
  27
  28         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
  29         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
  30         and R_SPARC_WPLT30.
  31
  32 2012-04-24  Cary Coutant  <ccoutant@google.com>
  33
  34         * incremental-dump.cc (find_input_containing_global): Replace
  35         magic number with symbolic constant.
  36         (dump_incremental_inputs): Update version number.
  37         * incremental.cc (Output_section_incremental_inputs): Update version
  38         number; import symbolic constants from Incremental_inputs_reader.
  39         (Incremental_inputs::create_data_sections): Align relocations
  40         section correctly for 64-bit targets.
  41         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
  42         constants; add padding.
  43         (Output_section_incremental_inputs::write_header): Add assert for
  44         header_size.
  45         (Output_section_incremental_inputs::write_input_files): Add assert
  46         for input_entry_size.
  47         (Output_section_incremental_inputs::write_info_blocks): Add padding;
  48         add assert for object_info_size, input_section_entry_size,
  49         global_sym_entry_size.
  50         * incremental.h (Incremental_inputs_reader): Add symbolic constants
  51         for data structure sizes; use them.
  52         (Incremental_input_entry_reader): Import symbolic constants from
  53         Incremental_inputs_reader; use them.
  54
  55 2012-04-23  David S. Miller  <davem@davemloft.net>
  56
  57         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
  58         and elf_flags_set_.
  59         (Target_sparc::Target_sparc): Initialize new fields.
  60         (Target_sparc::do_make_elf_object): New function.
  61         (Target_sparc::do_adjust_elf_header): New function.
  62
  63 2012-04-23  Cary Coutant  <ccoutant@google.com>
  64
  65         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
  66         CU range table of gdb index.
  67
  68 2012-04-20  David S. Miller  <davem@davemloft.net>
  69
  70         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
  71         instead of false.
  72
  73 2012-04-16  David S. Miller  <davem@davemloft.net>
  74
  75         * sparc.cc (Target_sparc::got_address): New function.
  76         (Sparc_relocate_functions::gdop_hix22): New function.
  77         (Sparc_relocate_functions::gdop_lox10): New function.
  78         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
  79         relocs.
  80         (Target_sparc::Scan::local): Likewise if the global symbol is not
  81         preemptible and is not IFUNC.
  82         (Target_sparc::Relocate::relocate): Perform GOTDATA code
  83         transformations for local and non-preemptible non-IFUNC global
  84         symbols.
  85
  86         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
  87         writing out 64-bit part of ranges.
  88
  89         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
  90         -fpic and -fpie respectively.
  91         * Makefile.in: Regenerate.
  92
  93         * sparc.cc (class Target_sparc): Add rela_ifunc_.
  94         (Target_sparc::Target_sparc): Initialize new field.
  95         (Target_sparc::do_plt_section_for_global): New function.
  96         (Target_sparc::do_plt_section_for_local): New function.
  97         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
  98         (Target_sparc::make_plt_section): New function, broken out of
  99         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 100         (Target_sparc::make_plt_entry): Call make_plt_section.
 101         (Target_sparc::make_local_ifunc_plt_entry): New function.
 102         (Target_sparc::rela_ifunc_section): New function.
 103         (Target_sparc::plt_section): Remove const.
 104         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 105         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 106         and ifunc_count_ fields.
 107         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 108         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 109         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 110         (Output_data_plt_sparc::rela_ifunc): New function.
 111         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 112         (Output_data_plt_sparc::has_ifunc_section): New function.
 113         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 114         (Output_data_plt_sparc::address_for_global): New function.
 115         (Output_data_plt_sparc::address_for_local): New function.
 116         (Output_data_plt_sparc::plt_index_to_offset): New function.
 117         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 118         and entry_count.
 119         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 120         entry_count.
 121         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 122         R_SPARC_JMP_IREL to switch.
 123         (Target_sparc::Scan::check_non_pic): Likewise.
 124         (Target_sparc::Scan::local): Handle IFUNC symbols.
 125         (Target_sparc::Scan::local): Likewise.
 126         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 127         and plt_address_for_local.
 128         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 129         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 130
 131         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 132         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 133         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 134         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 135         global relocs too.
 136         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 137         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 138         calls.
 139         * sparc.cc (Target_sparc::Scan::global): Likewise.
 140         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 141
 142 2012-04-16  Cary Coutant  <ccoutant@google.com>
 143
 144         * archive.cc (Library_base::should_include_member): Check for
 145         --export-dynamic-symbol.
 146         * options.h (class General_options): Add --export-dynamic-symbol.
 147         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 148         --export-dynamic-symbol.
 149         (Symbol_table::gc_mark_undef_symbols): Likewise.
 150         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 151
 152 2012-04-12  David S. Miller  <davem@davemloft.net>
 153
 154         * sparc.cc (Reloc::wdisp10): New relocation method.
 155         (Reloc::h34): Likewise.
 156         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 157         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 158         R_SPARC_WDISP10.
 159         (Target_sparc::Scan::local): Likewise.
 160         (Target_sparc::Scan::global): Likewise.
 161         (Target_sparc::Relocate::relocate): Likewise.
 162
 163 2012-04-09  Cary Coutant  <ccoutant@google.com>
 164
 165         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 166         low_pc == 0.
 167
 168 2012-04-06  Ian Lance Taylor  <iant@google.com>
 169
 170         * timer.cc: #include <unistd.h>.
 171
 172 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 173
 174         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 175         * config.in: Regenerate.
 176         * configure: Regenerate.
 177
 178 2012-04-05  Nick Clifton  <nickc@redhat.com>
 179
 180         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 181         (AM_LC_MESSAGES): Add.
 182         * aclocal.m4: Regenerate.
 183         * config.in: Regenerate.
 184         * configure: Regenerate.
 185
 186 2012-03-21  Cary Coutant  <ccoutant@google.com>
 187
 188         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 189         * Makefile.in: Regenerate.
 190         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 191         (Sized_elf_reloc_mapper::symbol_section): New function.
 192         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 193         (make_elf_reloc_mapper): New function.
 194         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 195         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 196         (Dwarf_abbrev_table::do_get_abbrev): New function.
 197         (Dwarf_ranges_table::read_ranges_table): New function.
 198         (Dwarf_ranges_table::read_range_list): New function.
 199         (Dwarf_pubnames_table::read_section): New function.
 200         (Dwarf_pubnames_table::read_header): New function.
 201         (Dwarf_pubnames_table::next_name): New function.
 202         (Dwarf_die::Dwarf_die): New function.
 203         (Dwarf_die::read_attributes): New function.
 204         (Dwarf_die::skip_attributes): New function.
 205         (Dwarf_die::set_name): New function.
 206         (Dwarf_die::set_linkage_name): New function.
 207         (Dwarf_die::attribute): New function.
 208         (Dwarf_die::string_attribute): New function.
 209         (Dwarf_die::int_attribute): New function.
 210         (Dwarf_die::uint_attribute): New function.
 211         (Dwarf_die::ref_attribute): New function.
 212         (Dwarf_die::child_offset): New function.
 213         (Dwarf_die::sibling_offset): New function.
 214         (Dwarf_info_reader::check_buffer): New function.
 215         (Dwarf_info_reader::parse): New function.
 216         (Dwarf_info_reader::do_parse): New function.
 217         (Dwarf_info_reader::do_read_string_table): New function.
 218         (Dwarf_info_reader::lookup_reloc): New function.
 219         (Dwarf_info_reader::get_string): New function.
 220         (Dwarf_info_reader::visit_compilation_unit): New function.
 221         (Dwarf_info_reader::visit_type_unit): New function.
 222         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 223         Sized_elf_reloc_mapper.
 224         (Sized_dwarf_line_info::symbol_section): Remove function.
 225         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 226         (Sized_dwarf_line_info::read_line_mappings): Remove object
 227         parameter, adjust callers.
 228         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 229         * dwarf_reader.h: Include <sys/types.h>.
 230         (class Track_relocs): Remove forward declaration.
 231         (class Elf_reloc_mapper): New class.
 232         (class Sized_elf_reloc_mapper): New class.
 233         (class Dwarf_abbrev_table): New class.
 234         (class Dwarf_range_list): New class.
 235         (class Dwarf_ranges_table): New class.
 236         (class Dwarf_pubnames_table): New class.
 237         (class Dwarf_die): New class.
 238         (class Dwarf_info_reader): New class.
 239         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 240         (Sized_dwarf_line_info::symbol_section): Remove member function.
 241         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 242         base class.
 243         * gdb-index.cc: New source file.
 244         * gdb-index.h: New source file.
 245         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 246         and .debug_types sections, call Layout::add_to_gdb_index.
 247         (Sized_relobj_incr::do_section_name): Implement.
 248         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 249         return type; Implement.
 250         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 251         return type.
 252         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 253         parameter list and return type.
 254         (Sized_incr_dynobj::do_section_contents): Likewise.
 255         * layout.cc: Include gdb-index.h.
 256         (Layout::Layout): Initialize gdb_index_data_.
 257         (Layout::init_fixed_output_section): Check for .gdb_index section.
 258         (Layout::add_to_gdb_index): New function. Instantiate.
 259         * layout.h: Add forward declaration for class Gdb_index.
 260         (Layout::add_to_gdb_index): New member function.
 261         (Layout::gdb_index_data_): New data member.
 262         * main.cc: Include gdb-index.h.
 263         (main): Print statistics for gdb index.
 264         * object.cc (Object::section_contents): Move code into
 265         do_section_contents.
 266         (need_decompressed_section): Check for sections needed when building
 267         gdb index.
 268         (build_compressed_section_map): Likewise.
 269         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 270         gdb index.
 271         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 272         sections; call Layout::add_to_gdb_index.
 273         (Sized_relobj_file::do_decompressed_section_contents): Call
 274         do_section_contents directly.
 275         * object.h (Object::do_section_contents): Adjust parameter list and
 276         return type.
 277         (Object::do_decompressed_section_contents): Call do_section_contents
 278         directly.
 279         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 280         return type.
 281         * options.h (class General_options): Add --gdb-index option.
 282         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 283         list and return type.
 284         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 285         * reloc.h (Track_relocs::checkpoint): New function.
 286         (Track_relocs::reset): New function.
 287
 288         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 289         New test cases.
 290         * testsuite/Makefile.in: Regenerate.
 291         * testsuite/gdb_index_test.cc: New test source file.
 292         * testsuite/gdb_index_test_1.sh: New test source file.
 293         * testsuite/gdb_index_test_2.sh: New test source file.
 294
 295 2012-03-19  Doug Kwan  <dougkwan@google.com>
 296
 297         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 298         (Target_arm::do_finalize_sections): Remove code which defines
 299         __exidx_start and __exidx_end.  Make symbol table parameter
 300         anonymous as it is not used.
 301         * gold.cc (queue_middle_tasks): Call target hook to define any
 302         target-specific symbols.
 303         * target.h (Target::define_standard_symbols): New method.
 304         (Target::do_define_standard_symbols): Same.
 305         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 306         * testsuite/Makefile.in: Regenerate.
 307         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 308         and __exidx_end.
 309         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 310         relocations are generated for __exidx_start and __exidx_end.
 311
 312 2012-03-16  Doug Kwan  <dougkwan@google.com>
 313
 314         * testsuite/Makefile.am: Disable test initpri3b.
 315         * testsuite/Makefile.in: Regenerate.
 316
 317 2012-03-15  Doug Kwan  <dougkwan@google.com>
 318
 319         * arm.cc (Target_arm::got_section): Make .got section read-only
 320         if -z now is given.
 321
 322 2012-03-15  Ian Lance Taylor  <iant@google.com>
 323
 324         PR gold/13850
 325         * layout.cc (Layout::make_output_section): Correctly mark
 326         SHT_INIT_ARRAY, et. al., as relro.
 327
 328 2012-03-14  Doug Kwan  <dougkwan@google.com>
 329
 330         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 331         dynamic relocations for protected symbols in shared objects.
 332
 333 2012-03-13  Ian Lance Taylor  <iant@google.com>
 334
 335         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 336         keep the larger alignment.
 337
 338 2012-03-12  Cary Coutant  <ccoutant@google.com>
 339
 340         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 341         handling of DW_LNE_define_file.
 342
 343 2012-03-12  Cary Coutant  <ccoutant@google.com>
 344
 345         * reduced_debug_output.cc
 346         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 347         codes to switch.
 348
 349 2012-02-29  Cary Coutant  <ccoutant@google.com>
 350
 351         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 352
 353 2012-02-29  Cary Coutant  <ccoutant@google.com>
 354
 355         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 356         Call Object::decompressed_section_contents.
 357         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 358         New dtor.
 359         (Sized_dwarf_line_info::buffer_start_): New data member.
 360         * merge.cc (Output_merge_data::do_add_input_section): Call
 361         Object::decompressed_section_contents.
 362         (Output_merge_string::do_add_input_section): Likewise.
 363         * object.cc (need_decompressed_section): New function.
 364         (build_compressed_section_map): Decompress sections needed later.
 365         (Sized_relobj_file::do_decompressed_section_contents): New function.
 366         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 367         * object.h (Object::decompressed_section_contents): New function.
 368         (Object::discard_decompressed_sections): New function.
 369         (Object::do_decompressed_section_contents): New function.
 370         (Object::do_discard_decompressed_sections): New function.
 371         (Compressed_section_info): New type.
 372         (Compressed_section_map): Include decompressed section contents.
 373         (Sized_relobj_file::do_decompressed_section_contents): New function.
 374         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 375
 376 2012-02-16  Cary Coutant  <ccoutant@google.com>
 377
 378         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 379         * testsuite/Makefile.in: Regenerate.
 380
 381 2012-02-14  Cary Coutant  <ccoutant@google.com>
 382
 383         * options.cc (General_options::finalize): Disallow -pie and -static.
 384
 385 2012-02-03  Doug Kwan  <dougkwan@google.com>
 386
 387         * arm.cc (Arm_relocate_functions::abs8,
 388         Arm_relocate_functions::abs16): Use
 389         Bits::has_signed_unsigned_overflow32.
 390         (Arm_relocate_functions::thm_abs8): Correct range of
 391         overflow check.
 392         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 393         in assertions.
 394
 395 2012-02-02  Doug Kwan  <dougkwan@google.com>
 396
 397         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 398         position independent outputs, not just shared objects.
 399
 400 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 401
 402         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 403         * configure: Regenerated.
 404
 405 2012-01-27  Ian Lance Taylor  <iant@google.com>
 406
 407         * reloc.h (Bits): New class with static functions, copied from
 408         namespace utils in arm.cc.
 409         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 410         instead.
 411
 412 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 413
 414         * incremental.cc (write_info_blocks): Correct relocation offset.
 415
 416 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 417
 418         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 419         (Relocate::tls_gd_to_le): Likewise.
 420
 421 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 422
 423         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 424
 425 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 426
 427         * configure.ac: Check if -mcmodel=medium works.
 428         * configure: Regenerated.
 429
 430 2012-01-24  Cary Coutant  <ccoutant@google.com>
 431
 432         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 433         definition and ...
 434         (read_unsigned_LEB_128_x): ... this new function.
 435         (read_signed_LEB_128): Replaced with inline definition and ...
 436         (read_signed_LEB_128_x): ... this new function.
 437         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 438         (read_unsigned_LEB_128): Add inline definition.
 439         (read_signed_LEB_128_x): New function.
 440         (read_signed_LEB_128): Add inline definition.
 441         * testsuite/Makefile.am (leb128_unittest): New unit test.
 442         * testsuite/Makefile.in: Regenerate.
 443         * testsuite/leb128_unittest.cc: New unit test.
 444
 445 2012-01-23  Ian Lance Taylor  <iant@google.com>
 446
 447         PR gold/13617
 448         * i386.cc (Target_i386::do_code_fill): When using a jmp
 449         instruction, pad with nop instructions.
 450         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 451
 452 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 453
 454         * x86_64.cc (gc_process_relocs): Add typename on types used in
 455         template.
 456         (scan_relocs): Likewise.
 457         (relocate_section): Likewise.
 458         (apply_relocation): Likewise.
 459
 460 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 461
 462         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 463         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 464         under x32.
 465
 466 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 467
 468         * x86_64.cc: Initial support for x32.
 469
 470 2012-01-03  Cary Coutant  <ccoutant@google.com>
 471
 472         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 473         Use abstract base class for GOT.
 474         * gold/output.h (class Output_data_got_base): New abstract base class.
 475         (class Output_data_got): Derive from new base class, adjust ctors.
 476         (Output_data_got::reserve_slot): Make virtual; rename to
 477         do_reserve_slot; Adjust callers.
 478         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 479         pointer to abstract base class.
 480         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 481
 482 2011-12-18  Ian Lance Taylor  <iant@google.com>
 483
 484         * object.h (Relobj::local_symbol_value): New function.
 485         (Relobj::local_plt_offset): New function.
 486         (Relobj::local_has_got_offset): New function.
 487         (Relobj::local_got_offset): New function.
 488         (Relobj::set_local_got_offset): New function.
 489         (Relobj::do_local_symbol_value): New pure virtual function.
 490         (Relobj::do_local_plt_offset): Likewise.
 491         (Relobj::do_local_has_got_offset): Likewise.
 492         (Relobj::do_local_got_offset): Likewise.
 493         (Relobj::do_set_local_got_offset): Likewise.
 494         (Sized_relobj::do_local_has_got_offset): Rename from
 495         local_has_got_offset.
 496         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 497         (Sized_relobj::do_set_local_got_offset): Rename from
 498         set_local_got_offset.
 499         (Sized_relobj_file::do_local_plt_offset): Rename from
 500         local_plt_offset.
 501         (Sized_relobj_file::do_local_symbol_value): New function.
 502         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 503         local_plt_offset.
 504         * output.cc (Output_data_got::Got_entry::write): Change object to
 505         Relobj.  Use local_symbol_value.
 506         (Output_data_got::add_global_with_rel): Change rel_dyn to
 507         Output_data_reloc_generic*.  Use add_global_generic.
 508         (Output_data_got::add_global_with_rela): Remove.  Change all
 509         callers to use add_global_with_rel.
 510         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 511         Output_data_reloc_generic*.  Use add_global_generic.
 512         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 513         callers to use add_global_pair_with_rel.
 514         (Output_data_got::add_local): Change object to Relobj*.
 515         (Output_data_got::add_local_plt): Likewise.
 516         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 517         change rel_dyn to Output_data_reloc_generic*.  Use
 518         add_local_generic.
 519         (Output_data_got::add_local_with_rela): Remove.  Change all
 520         callers to use all_local_with_rel.
 521         (Output_data_got::add_local_pair_with_rel): Change object to
 522         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 523         add_output_section_generic.
 524         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 525         callers to use add_local_pair_with_rel.
 526         (Output_data_got::reserve_local): Change object to Relobj*.
 527         * output.h: (class Output_data_reloc_generic): Add pure virtual
 528         declarations for add_global_generic, add_local_generic,
 529         add_output_section_generic.
 530         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 531         functions for Output_data_reloc_generic.  Update declarations for
 532         changes listed in output.cc.
 533         (class Output_data_got): Change template parameter to got_size.
 534         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 535         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 536         function.
 537         (Sized_relobj_incr::do_local_plt_offset): New function.
 538         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 539         add_global_generic.
 540
 541 2011-12-17  Cary Coutant  <ccoutant@google.com>
 542
 543         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 544         * resolve.cc (Symbol_table::resolve): Likewise.
 545         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 546         arrays.
 547         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 548
 549 2011-12-16  Ian Lance Taylor  <iant@google.com>
 550
 551         * output.h (Output_data_reloc_generic::add): Only call
 552         add_dynamic_reloc if this is a dynamic reloc section.
 553
 554 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 555
 556         PR gold/13505
 557         * target-reloc.h (apply_relocation): Replace <64, false> with
 558         <size, big_endian>.
 559
 560 2011-11-25  Nick Clifton  <nickc@redhat.com>
 561
 562         * po/it.po: New Italian translation.
 563
 564 2011-11-17  Sterling Augustine  <saugustine@google.com>
 565
 566         * script.cc (script_include_directive): Implement.
 567         (read_script_file): New local variables name and search_path. Update
 568         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 569         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 570         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 571
 572 2011-11-11  Sterling Augustine  <saugustine@google.com>
 573
 574         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 575         (file_or_sections_cmd): Likewise.
 576
 577 2011-11-11  Doug Kwan  <dougkwan@google.com>
 578
 579         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 580         if --just-symbols is given.
 581
 582 2011-11-10  Doug Kwan  <dougkwan@google.com>
 583
 584         PR gold/13362
 585         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 586         when processing data relocs.
 587         * reloc.h (Relocate_functions::rel_unaligned): New method.
 588         (Relocate_functions::pcrel_unaligned): Ditto.
 589         (Relocate_functions::rel32_unaligned): Ditto.
 590         (Relocate_functions::pcrel32_unaligned): Ditto.
 591
 592 2011-11-09  Doug Kwan  <dougkwan@google.com>
 593
 594         PR gold/13362
 595         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 596         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 597         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 598         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 599         (Relocate_functions::rel_unaligned): New.
 600         (Relocate_functions::rel32_unaligned): New.
 601         * target-reloc.h (relocate_for_relocatable): Add code to handle
 602         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 603         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 604         arm_unaligned_reloc_r): New targets.
 605         * testsuite/Makefile.in: Regenerate.
 606         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 607         linking.
 608
 609 2011-11-02  Ian Lance Taylor  <iant@google.com>
 610
 611         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 612         NATIVE_LINKER.
 613         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 614         * options.cc (General_options::finalize): Use library search path
 615         from configure script if specified.  If not native and no sysroot,
 616         only search TOOLLIBDIR.
 617         * options.h (Search_directory::Search_directory): Change name to
 618         const std::string&.
 619         (General_options::add_to_library_path_with_sysroot): Change arg to
 620         const std::string&.
 621         * configure, Makefile.in, config.in: Rebuild.
 622
 623 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 624
 625         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 626         we are working around the ARM1176 Erratum.
 627         * options.h (General_options::fix_arm1176): Add option.
 628         * testsuite/Makefile.am: Add testcases, and keep current ones
 629         working.
 630         * testsuite/Makefile.in: Regenerate.
 631         * testsuite/arm_fix_1176.s: New file.
 632         * testsuite/arm_fix_1176.sh: Likewise.
 633
 634 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 635
 636         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 637         may_use_blx_.
 638         (Target_arm::may_use_blx): Remove method.
 639         (Target_arm::set_may_use_blx): Likewise.
 640         (Target_arm::may_use_v4t_interworking): New method.
 641         (Target_arm::may_use_v5t_interworking): Likewise.
 642         (Target_arm::may_use_blx_): Remove member variable.
 643         (Arm_relocate_functions::arm_branch_common): Check for v5T
 644         interworking.
 645         (Arm_relocate_functions::thumb_branch_common): Likewise.
 646         (Reloc_stub::stub_type_for_reloc): Likewise.
 647         (Target_arm::do_finalize_sections): Correct interworking checks.
 648         * testsuite/Makefile.am: Add new tests.
 649         * testsuite/Makefile.in: Regenerate.
 650         * testsuite/arm_farcall_arm_arm.s: New test.
 651         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 652         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 653         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 654         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 655         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 656         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 657         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 658
 659 2011-10-31  Cary Coutant  <ccoutant@google.com>
 660
 661         PR gold/13023
 662         * expression.cc (Expression::eval_with_dot): Add
 663         is_section_dot_assignment parameter.
 664         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 665         absolute and assigning to dot within a section.
 666         * script-sections.cc
 667         (Output_section_element_assignment::set_section_addresses): Pass
 668         dot_section to set_if_absolute.
 669         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 670         as is_section_dot_assignment flag to eval_with_dot.
 671         (Output_section_element_dot_assignment::set_section_addresses):
 672         Likewise.
 673         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 674         parameter.  Also set value if relative to dot_section; set the
 675         symbol's output_section.
 676         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 677         parameter.  Adjust all callers.
 678         (Expression::eval_maybe_dot): Likewise.
 679         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 680         Adjust all callers.
 681         * testsuite/script_test_2.t: Test assignment of an absolute value
 682         to dot within an output section element.
 683
 684 2011-10-31  Cary Coutant  <ccoutant@google.com>
 685
 686         * options.h (class General_options): Add --[no-]gnu-unique options.
 687         * symtab.cc (Symbol_table::sized_write_globals): Convert
 688         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 689
 690 2011-10-31  Cary Coutant  <ccoutant@google.com>
 691
 692         PR gold/13359
 693         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 694         unnecessary assertion.
 695         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 696
 697 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 698
 699         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 700         gc_mark_symbol.
 701         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 702         gc_mark_symbol.
 703         Change to just keep the section associated with symbol.
 704         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 705         they are externally visible and --export-dynamic is turned on.
 706         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 707
 708 2011-10-19  Ian Lance Taylor  <iant@google.com>
 709
 710         PR gold/13163
 711         * script-sections.cc
 712         (Output_section_element_dot_assignment::needs_output_section): New
 713         function.
 714
 715 2011-10-19  Ian Lance Taylor  <iant@google.com>
 716
 717         PR gold/13204
 718         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 719         --section-start option was seen.
 720         * options.h (General_options::any_section_start): New function.
 721
 722 2011-10-18  David S. Miller  <davem@davemloft.net>
 723
 724         PR binutils/13301
 725         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 726         member to track relocation locations that have moved during TLS
 727         reloc optimizations.
 728         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 729         (Target_sparc::Relocate::relocate): Adjust view down by 4
 730         bytes if it matches reloc_adjust_addr_.
 731         (Target_sparc::Relocate::relocate_tls): Always move the
 732         __tls_get_addr call delay slot instruction forward 4 bytes when
 733         performing relaxation.
 734
 735 2011-10-18  Cary Coutant  <ccoutant@google.com>
 736
 737         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 738         (Output_file::map_no_anonymous): Check for non-zero
 739         return code from posix_fallocate.
 740
 741 2011-10-17  Cary Coutant  <ccoutant@google.com>
 742
 743         PR gold/13245
 744         * plugin.cc (is_visible_from_outside): Check for symbols
 745         referenced from dynamic objects.
 746         * resolve.cc (Symbol_table::resolve): Don't count references
 747         from dynamic objects as references from real ELF files.
 748         * testsuite/plugin_test_2.sh: Adjust expected result.
 749
 750 2011-10-17  Cary Coutant  <ccoutant@google.com>
 751
 752         * gold.cc: Include timer.h.
 753         (queue_middle_tasks): Stamp time.
 754         (queue_final_tasks): Likewise.
 755         * main.cc (main): Store timer in parameters.  Print timers
 756         for each pass.
 757         * parameters.cc (Parameters::Parameters): Initialize timer_.
 758         (Parameters::set_timer): New function.
 759         (set_parameters_timer): New function.
 760         * parameters.h (Parameters::set_timer): New function.
 761         (Parameters::timer): New function.
 762         (Parameters::timer_): New data member.
 763         (set_parameters_timer): New function.
 764         * timer.cc (Timer::stamp): New function.
 765         (Timer::get_pass_time): New function.
 766         * timer.h (Timer::stamp): New function.
 767         (Timer::get_pass_time): New function.
 768         (Timer::pass_times_): New data member.
 769
 770 2011-10-17  Cary Coutant  <ccoutant@google.com>
 771
 772         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 773         task for members of lib groups.
 774
 775 2011-10-17  Cary Coutant  <ccoutant@google.com>
 776
 777         PR gold/13288
 778         * fileread.cc (File_read::find_view): Add assert.
 779         (File_read::make_view): Move bounds check (replace with assert)...
 780         (File_read::find_or_make_view): ... to here.
 781
 782 2011-10-12  Cary Coutant  <ccoutant@google.com>
 783
 784         * output.cc (Output_file::open_base_file): Handle case where
 785         ::read returns less than requested size.
 786
 787 2011-10-10  Cary Coutant  <ccoutant@google.com>
 788
 789         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 790         Initialize defined_count_.
 791         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 792         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 793         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 794         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 795         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 796         * incremental.h (Sized_relobj_incr::defined_count_): New data
 797         member.
 798         (Sized_incr_dynobj::defined_count_): New data member.
 799         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 800         Return zeroes instead of internal error.
 801
 802 2011-10-10  Cary Coutant  <ccoutant@google.com>
 803
 804         PR gold/13249
 805         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 806         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 807         * output.h (class Output_reloc): Add use_plt_offset flag.
 808         (Output_reloc::type_): Adjust size of bit field.
 809         (Output_reloc::use_plt_offset_): New bit field.
 810         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 811         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 812         flag.  Adjust all callers.
 813         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 814         creating RELATIVE relocations.
 815
 816 2011-10-10  Nick Clifton  <nickc@redhat.com>
 817
 818         * po/es.po: Updated Spanish translation.
 819         * po/fi.po: Updated Finnish translation.
 820
 821 2011-10-03   Diego Novillo  <dnovillo@google.com>
 822
 823         * options.cc (parse_uint): Fix dereference of RETVAL.
 824
 825 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 826
 827         * layout.h (section_order_map_): New member.
 828         (get_section_order_map): New member function.
 829         * output.cc (Output_section::add_input_section): Check for patterns
 830         only when --section-ordering-file is specified.
 831         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 832         output_sections have been formed.
 833         * layout.cc (Layout_Layout): Initialize section_order_map_.
 834         * plugin.cc (update_section_order): Store order in order_map. Do not
 835         update the order.
 836         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 837         * testsuite/Makefile.in: Regenerate.
 838         * testsuite/plugin_section_order.c: New file.
 839         * testsuite/plugin_final_layout.cc: New file.
 840         * testsuite/plugin_final_layout.sh: New file.
 841
 842 2011-09-29  Cary Coutant  <ccoutant@google.com>
 843
 844         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 845         Check for NULL.
 846         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 847         symbols during incremental update.
 848         (Symbol_table::add_from_dynobj): Likewise.
 849
 850 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 851             Ian Lance Taylor  <iant@google.com>
 852
 853         * symtab.cc (Symbol_table::define_special_symbol): Always
 854         canonicalize version string.
 855
 856 2011-09-26  Cary Coutant  <ccoutant@google.com>
 857
 858         * gold.cc (queue_initial_tasks): Move option checks ...
 859         * options.cc (General_options::finalize): ... to here. Disable
 860         some options; make others fatal.
 861
 862 2011-09-26  Cary Coutant  <ccoutant@google.com>
 863
 864         gcc PR lto/47247
 865         * plugin.cc (get_symbols_v2): New function.
 866         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 867         (is_referenced_from_outside): New function.
 868         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 869         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 870         (get_symbols): Pass version parameter.
 871         (get_symbols_v2): New function.
 872         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 873         parameter.
 874         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 875         (onload): Add LDPT_GET_SYMBOLS_V2.
 876         (all_symbols_read_hook): Use get_symbols_v2; check for
 877         LDPR_PREVAILING_DEF_IRONLY_EXP.
 878         * testsuite/plugin_test_3.sh: Update expected results.
 879
 880 2011-09-23  Simon Baldwin  <simonb@google.com>
 881
 882         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 883         configuration options.
 884         * configure: Regenerate.
 885         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 886         * Makefile.in: Regenerate.
 887         * testsuite/Makefile.in: Regenerate.
 888
 889 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 890
 891         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 892
 893 2011-09-19  Cary Coutant  <ccoutant@google.com>
 894
 895         * incremental.cc (can_incremental_update): Fix typo in comment.
 896         * incremental.h (can_incremental_update): Likewise.
 897
 898 2011-09-18  Cary Coutant  <ccoutant@google.com>
 899
 900         * incremental.cc (can_incremental_update): New function.
 901         * incremental.h (can_incremental_update): New function.
 902         * layout.cc (Layout::init_fixed_output_section): Call it.
 903         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 904         * object.cc (Sized_relobj_file::do_layout): Call
 905         can_incremental_update.
 906
 907 2011-09-13  Cary Coutant  <ccoutant@google.com>
 908
 909         * configure.ac: Check for glibc support for gnu_indirect_function
 910         support with static linking, setting automake conditional
 911         IFUNC_STATIC.
 912         * Makefile.in: Regenerate.
 913         * configure: Regenerate.
 914
 915         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 916         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 917         for IFUNC_STATIC.
 918         * testsuite/Makefile.in: Regenerate.
 919
 920 2011-09-13  Cary Coutant  <ccoutant@google.com>
 921
 922         * incremental.cc (Sized_relobj_incr::do_layout): Call
 923         report_comdat_group for kept comdat sections.
 924         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 925         * testsuite/Makefile.in: Regenerate.
 926         * testsuite/incr_comdat_test_1.cc: New source file.
 927         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 928         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 929         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 930
 931 2011-09-13  Ian Lance Taylor  <iant@google.com>
 932
 933         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 934         variable external_symbols_offset.
 935
 936 2011-09-12  Ian Lance Taylor  <iant@google.com>
 937
 938         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 939         triggered if object has no symbols.
 940
 941 2011-09-09  David S. Miller  <davem@davemloft.net>
 942
 943         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 944         (Output_fill_debug_line::do_write): Likewise.
 945
 946 2011-08-29  Cary Coutant  <ccoutant@google.com>
 947
 948         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 949         casts to match formatting specs.
 950         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 951
 952 2011-08-26  Cary Coutant  <ccoutant@google.com>
 953
 954         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 955         remaining hole size when allocating.
 956         (Layout::make_output_section): Set fill methods for debug sections.
 957         * layout.h (Free_list::Free_list_node): Move from private to
 958         public.
 959         (Free_list::set_min_hole_size): New function.
 960         (Free_list::begin, Free_list::end): New functions.
 961         (Free_list::min_hole_): New data member.
 962         * output.cc: Include dwarf.h.
 963         (Output_fill_debug_info::do_minimum_hole_size): New function.
 964         (Output_fill_debug_info::do_write): New function.
 965         (Output_fill_debug_line::do_minimum_hole_size): New function.
 966         (Output_fill_debug_line::do_write): New function.
 967         (Output_section::Output_section): Initialize new data member.
 968         (Output_section::set_final_data_size): Ensure patch space is larger
 969         than minimum hole size.
 970         (Output_section::do_write): Fill holes in debug sections.
 971         * output.h (Output_fill): New class.
 972         (Output_fill_debug_info): New class.
 973         (Output_fill_debug_line): New class.
 974         (Output_section::set_free_space_fill): New function.
 975         (Output_section::free_space_fill_): New data member.
 976         * testsuite/Makefile.am (incremental_test_3): Add
 977         --incremental-patch option.
 978         (incremental_test_4): Likewise.
 979         (incremental_test_5): Likewise.
 980         (incremental_test_6): Likewise.
 981         (incremental_copy_test): Likewise.
 982         (incremental_common_test_1): Likewise.
 983         * testsuite/Makefile.in: Regenerate.
 984
 985 2011-08-26  Nick Clifton  <nickc@redhat.com>
 986
 987         * po/es.po: Updated Spanish translation.
 988
 989 2011-08-01  Cary Coutant  <ccoutant@google.com>
 990
 991         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 992         * gold/testsuite/Makefile.in: Regenerate.
 993         * gold/testsuite/justsyms_exec.c: New source file.
 994         * gold/testsuite/justsyms_lib.c: New source file.
 995
 996 2011-08-01  Cary Coutant  <ccoutant@google.com>
 997
 998         * layout.cc (Layout::set_segment_offsets): Don't realign text
 999         segment if -Ttext was specified.
1000         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1001         file type.
1002         * object.h (Sized_relobj_file::e_type): New function.
1003         (Sized_relobj_file::e_type_): New data member.
1004         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1005         base address for ET_EXEC files.
1006         * target.cc (Target::do_make_elf_object_implementation): Allow
1007         ET_EXEC files with --just-symbols option.
1008
1009 2011-07-28  Cary Coutant  <ccoutant@google.com>
1010
1011         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1012         Add thread_number parameter.
1013         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1014         * workqueue-threads.cc
1015         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1016         current thread if its thread number is greater than desired thread
1017         count.
1018         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1019         Add thread_number parameter.
1020         (Workqueue::should_cancel_thread): Likewise.
1021         (Workqueue::find_runnable_or_wait): Pass thread_number to
1022         should_cancel_thread.
1023         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1024         parameter.
1025
1026 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1027
1028         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1029         only after checking if it cannot be forced local.
1030         * symtab.h (is_externally_visible): Check if the symbol is not forced
1031         local.
1032
1033 2011-07-15  Ian Lance Taylor  <iant@google.com>
1034
1035         * options.h (class General_options): Add --print-output-format.
1036         Move -EL next to -EB, for  better --help output.
1037         * target-select.cc: Include <cstdio>, "options.h", and
1038         "parameters.h".
1039         (Target_selector::do_target_bfd_name): New function.
1040         (print_output_format): New function.
1041         * target-select.h (class Target_selector): Update declarations.
1042         (Target_selector::target_bfd_name): New function.
1043         (print_output_format): Declare.
1044         * main.cc: Include "target-select.h".
1045         (main): Handle --print-output-format.
1046         * gold.cc: Include "target-select.h".
1047         (queue_initial_tasks): Handle --print-output-format when there are
1048         no input files.
1049         * parameters.cc (parameters_force_valid_target): Give a better
1050         error message if -EB/-EL does not match target.
1051         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1052         function.
1053
1054 2011-07-15  Ian Lance Taylor  <iant@google.com>
1055
1056         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1057         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1058         (Output_data_plt_i386::do_write): Write address of .dynamic
1059         section to first entry in .got.plt section.
1060         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1061         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1062         Initialize layout_.
1063         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1064         section to first entry in .got.plt section.
1065         * layout.h (Layout::dynamic_section): New function.
1066
1067 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1068
1069         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1070         to claim_file call.
1071         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1072         input_section_position_, and input_section_glob_.
1073         (read_layout_from_file): Call function section_ordering_specified.
1074         * layout.h (is_section_ordering_specified): New function.
1075         (section_ordering_specified): New function.
1076         (section_ordering_specified_): New boolean member.
1077         * main.cc(main): Call load_plugins after layout object is defined.
1078         * output.cc (Output_section::add_input_section): Use
1079         function section_ordering_specified to check if section ordering is
1080         needed.
1081         * output.cc (Output_section::add_relaxed_input_section): Use
1082         function section_ordering_specified to check if section ordering is
1083         needed.
1084         (Output_section::update_section_layout): New function.
1085         (Output_section::sort_attached_input_sections): Check if input section
1086         must be reordered.
1087         * output.h (Output_section::update_section_layout): New function.
1088         * plugin.cc (get_section_count): New function.
1089         (get_section_type): New function.
1090         (get_section_name): New function.
1091         (get_section_contents): New function.
1092         (update_section_order): New function.
1093         (allow_section_ordering): New function.
1094         (Plugin::load): Add the new interfaces to the transfer vector.
1095         (Plugin_manager::load_plugins): New parameter.
1096         (Plugin_manager::all_symbols_read): New parameter.
1097         (Plugin_manager::claim_file): New parameter. Save the elf object for
1098         unclaimed objects.
1099         (Plugin_manager::get_elf_object): New function.
1100         (Plugin_manager::get_view): Change to directly use the bool to check
1101         if get_view is called from claim_file_hook.
1102         * plugin.h (input_objects): New function
1103         (Plugin__manager::load_plugins): New parameter.
1104         (Plugin_manager::claim_file): New parameter.
1105         (Plugin_manager::get_elf_object): New function.
1106         (Plugin_manager::in_claim_file_handler): New function.
1107         (Plugin_manager::in_claim_file_handler_): New member.
1108         (layout): New function.
1109         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1110         handler with an extra parameter. Make the elf object before calling
1111         claim_file handler.
1112         * testsuite/plugin_test.c (get_section_count): New function pointer.
1113         (get_section_type): New function pointer.
1114         (get_section_name): New function pointer.
1115         (get_section_contents): New function pointer.
1116         (update_section_order): New function pointer.
1117         (allow_section_ordering): New function pointer.
1118         (onload): Check if the new interfaces exist.
1119
1120 2011-07-13  Ian Lance Taylor  <iant@google.com>
1121
1122         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1123         relro section.
1124         * x86_64.cc (Target_x86_64::got_section): Likewise.
1125         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1126         (relro_now_test_SOURCES): New variable.
1127         (relro_now_test_DEPENDENCIES): New variable.
1128         (relro_now_test_LDFLAGS): New variable.
1129         (relro_now_test_LDADD): New variable.
1130         (relro_now_test.so): New target.
1131         * testsuite/Makefile.in: Rebuild.
1132
1133 2011-07-12  Ian Lance Taylor  <iant@google.com>
1134
1135         PR gold/12980
1136         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1137         GLOB_DAT relocation rather than a RELATIVE relocation for a
1138         protected symbol when creating a shared library.
1139         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1140         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1141         * testsuite/protected_main_1.cc (main): Test that protected
1142         function has same address.
1143
1144 2011-07-11  Ian Lance Taylor  <iant@google.com>
1145
1146         PR gold/12979
1147         * options.h (class General_options): Add -Bgroup.
1148         * options.cc (General_options::finalize): If -Bgroup is set,
1149         default to --unresolved-symbols=report-all.
1150         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1151         * target-reloc.h (issue_undefined_symbol_error): Handle
1152         --unresolved-symbols=report-all.
1153
1154 2011-07-08  Ian Lance Taylor  <iant@google.com>
1155
1156         PR gold/11985
1157         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1158         if linker script discards key sections.
1159         (Layout::create_dynamic_symtab): Likewise.
1160         (Layout::assign_local_dynsym_offsets): Likewise.
1161         (Layout::sized_create_version_sections): Likewise.
1162         (Layout::create_interp): Likewise.
1163         (Layout::finish_dynamic_section): Likewise.
1164         (Layout::set_dynamic_symbol_size): Likewise.
1165
1166 2011-07-08  Ian Lance Taylor  <iant@google.com>
1167
1168         PR gold/12386
1169         * options.h (class General_options): Add --unresolved-symbols.
1170         * target-reloc.h (issue_undefined_symbol_error): Check
1171         --unresolved-symbols.  Add comments.
1172
1173 2011-07-08  Ian Lance Taylor  <iant@google.com>
1174
1175         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1176         expression more complex.
1177
1178 2011-07-08  Ian Lance Taylor  <iant@google.com>
1179
1180         PR gold/11317
1181         * target-reloc.h (issue_undefined_symbol_error): New inline
1182         function, broken out of relocate_section.
1183         (relocate_section): Call issue_undefined_symbol_error.
1184         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1185         there is no TLS segment if we are about to issue an undefined
1186         symbol error.
1187         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1188
1189 2011-07-08  Ian Lance Taylor  <iant@google.com>
1190
1191         PR gold/12279
1192         * resolve.cc (Symbol_table::should_override): Add fromtype
1193         parameter.  Change all callers.  Give error when linking together
1194         TLS and non-TLS symbol.
1195         (Symbol_table::should_override_with_special): Add fromtype
1196         parameter.  Change all callers.
1197         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1198         there is no TLS segment if we have reported some errors.
1199         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1200
1201 2011-07-08  Ian Lance Taylor  <iant@google.com>
1202
1203         PR gold/12372
1204         * target.h (Target::plt_address_for_global): New function.
1205         (Target::plt_address_for_local): New function.
1206         (Target::plt_section_for_global): Remove.
1207         (Target::plt_section_for_local): Remove.
1208         (Target::do_plt_address_for_global): New virtual function.
1209         (Target::do_plt_address_for_local): New virtual function.
1210         (Target::do_plt_section_for_global): Remove.
1211         (Target::do_plt_section_for_local): Remove.
1212         (Target::register_global_plt_entry): Add Symbol_table and Layout
1213         parameters.
1214         * output.cc (Output_data_got::Got_entry::write): Use
1215         plt_address_for_global and plt_address_for_local.
1216         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1217         address of output section.
1218         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1219         got_irelative_, and irelative_count_ fields.  Update
1220         declarations.
1221         (Output_data_plt_i386::has_irelative_section): New function.
1222         (Output_data_plt_i386::entry_count): Add irelative_count_.
1223         (Output_data_plt_i386::set_final_data_size): Likewise.
1224         (class Target_i386): Add got_irelative_ and rel_irelative_
1225         fields.  Update declarations.
1226         (Target_i386::Target_i386): Initialize new fields.
1227         (Target_i386::do_plt_address_for_global): New function replacing
1228         do_plt_section_for_global.
1229         (Target_i386::do_plt_address_for_local): New function replacing
1230         do_plt_section_for_local.
1231         (Target_i386::got_section): Create got_irelative_.
1232         (Target_i386::rel_irelative_section): New function.
1233         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1234         fields.  Don't define __rel_iplt_{start,end}.
1235         (Output_data_plt_i386::add_entry): Add symtab and layout
1236         parameters.  Change all callers.  Use different PLT and GOT for
1237         IFUNC symbols.
1238         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1239         layout parameters.  Change all callers.  Use different PLT and
1240         GOT.
1241         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1242         (Output_data_plt_i386::rel_irelative): New function.
1243         (Output_data_plt_i386::address_for_global): New function.
1244         (Output_data_plt_i386::address_for_local): New function.
1245         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1246         IRELATIVE GOT when changing IFUNC GOT entries.
1247         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1248         reloc.
1249         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1250         if we didn't create an IRELATIVE GOT.
1251         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1252         plt_address_for_local.
1253         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1254         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1255         got_irelative_, and irelative_count_ fields.  Update
1256         declarations.
1257         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1258         Initialize new fields.  Remove symtab parameter.  Change all
1259         callers.
1260         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1261         irelative_count_.
1262         (Output_data_plt_x86_64::has_irelative_section): New function.
1263         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1264         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1265         fields.  Update declarations.
1266         (Target_x86_64::Target_x86_64): Initialize new fields.
1267         (Target_x86_64::do_plt_address_for_global): New function replacing
1268         do_plt_section_for_global.
1269         (Target_x86_64::do_plt_address_for_local): New function replacing
1270         do_plt_section_for_local.
1271         (Target_x86_64::got_section): Create got_irelative_.
1272         (Target_x86_64::rela_irelative_section): New function.
1273         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1274         all callers.  Don't create __rel_iplt_{start,end}.
1275         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1276         parameters.  Change all callers.  Use different PLT and GOT for
1277         IFUNC symbols.
1278         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1279         layout parameters.  Change all callers.  Use different PLT and
1280         GOT.
1281         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1282         parameters.  Change all callers.  Use different PLT and GOT for
1283         IFUNC symbols.
1284         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1285         (Output_data_plt_x86_64::rela_irelative): New function.
1286         (Output_data_plt_x86_64::address_for_global): New function.
1287         (Output_data_plt_x86_64::address_for_local): New function.
1288         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1289         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1290         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1291         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1292         parameters.
1293         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1294         reloc.
1295         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1296         symbols if we didn't create an IRELATIVE GOT.
1297         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1298         plt_address_for_local.
1299         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1300         * testsuite/ifuncvar1.c: New test file.
1301         * testsuite/ifuncvar2.c: New test file.
1302         * testsuite/ifuncvar3.c: New test file.
1303         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1304         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1305         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1306         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1307         * testsuite/Makefile.in: Rebuild.
1308
1309 2011-07-07  Cary Coutant  <ccoutant@google.com>
1310
1311         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1312         (two_file_test_1_ndebug.o): Likewise.
1313         (two_file_test_1b_ndebug.o): Likewise.
1314         (two_file_test_2_ndebug.o): Likewise.
1315         (two_file_test_main_ndebug.o): Likewise.
1316         (incremental_test_2): Link with no-debug versions.
1317
1318 2011-07-06  Cary Coutant  <ccoutant@google.com>
1319
1320         * gold/incremental.cc
1321         (Output_section_incremental_inputs::write_info_blocks): Check for
1322         hidden and internal symbols.
1323
1324 2011-07-06  Cary Coutant  <ccoutant@google.com>
1325
1326         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1327         Check disposition for startup file.
1328         (Incremental_inputs::report_command_line): Ignore
1329         --incremental-startup-unchanged option.
1330         * options.cc (General_options::parse_incremental_startup_unchanged):
1331         New function.
1332         (General_options::General_options): Initialize new data member.
1333         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1334         (General_options): Add --incremental-startup-unchanged option.
1335         (General_options::incremental_startup_disposition): New function.
1336         (General_options::incremental_startup_disposition_): New data member.
1337
1338 2011-07-06  Cary Coutant  <ccoutant@google.com>
1339
1340         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1341         input file index to Script_info ctor.
1342         (Sized_incremental_binary::do_file_has_changed): Find the
1343         command-line argument for files named in scripts.
1344         * incremental.h (Script_info::Script_info): New ctor
1345         with input file index.
1346         (Script_info::input_file_index): New function.
1347         (Script_info::input_file_index_): New data member.
1348         (Incremental_binary::get_library): Add const.
1349         (Incremental_binary::get_script_info): Add const.
1350         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1351         * testsuite/Makefile.am (incremental_test_5): New test case.
1352         (incremental_test_6): New test case.
1353         * testsuite/Makefile.in: Regenerate.
1354
1355 2011-07-06  Cary Coutant  <ccoutant@google.com>
1356
1357         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1358         debug output when command lines differ.
1359
1360 2011-07-06  Cary Coutant  <ccoutant@google.com>
1361
1362         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1363         --incremental-patch option.
1364         * layout.cc (Free_list::allocate): Extend allocation beyond original
1365         end if enabled.
1366         (Layout::make_output_section): Mark sections that should get
1367         patch space.
1368         * options.cc (parse_percent): New function.
1369         * options.h (parse_percent): New function.
1370         (DEFINE_percent): New macro.
1371         (General_options): Add --incremental-patch option.
1372         * output.cc (Output_section::Output_section): Initialize new data
1373         members.
1374         (Output_section::add_input_section): Print section name when out
1375         of patch space.
1376         (Output_section::add_output_section_data): Likewise.
1377         (Output_section::set_final_data_size): Add patch space when
1378         doing --incremental-full.
1379         (Output_section::do_reset_address_and_file_offset): Remove patch
1380         space.
1381         (Output_segment::set_section_list_addresses): Print debug output
1382         only if --incremental-update.
1383         * output.h (Output_section::set_is_patch_space_allowed): New function.
1384         (Output_section::is_patch_space_allowed_): New data member.
1385         (Output_section::patch_space_): New data member.
1386         * parameters.cc (Parameters::incremental_full): New function.
1387         * parameters.h (Parameters::incremental_full): New function
1388         * testsuite/Makefile.am (incremental_test_2): Add test for
1389         --incremental-patch option.
1390         * testsuite/Makefile.in: Regenerate.
1391         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1392         (t18): Remove function body.
1393
1394 2011-07-05  Doug Kwan  <dougkwan@google.com>
1395
1396         PR gold/12771
1397         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1398         Arm_Address type for relocation result.
1399         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1400         overflow check.
1401         (Arm_relocate_functions::abs32): Use unaligned access.
1402         (Arm_relocate_functions::rel32): Ditto.
1403         (Arm_relocate_functions::prel31): Ditto.
1404         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1405         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1406         static data relocations.
1407         * testsuite/Makefile.in: Regnerate.
1408         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1409
1410 2011-07-05  Ian Lance Taylor  <iant@google.com>
1411
1412         PR gold/12392
1413         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1414         symbols if necessary.
1415         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1416
1417 2011-07-05  Ian Lance Taylor  <iant@google.com>
1418
1419         PR gold/12952
1420         * resolve.cc (Symbol::override_base_with_special): Simply override
1421         version with special symbol version, ignoring previous version.
1422
1423 2011-07-05  Ian Lance Taylor  <iant@google.com>
1424
1425         * object.cc (Sized_relobj_file::include_section_group): Add
1426         information to comment about signature location.
1427
1428 2011-07-02  Ian Lance Taylor  <iant@google.com>
1429
1430         PR gold/12957
1431         * options.h (class General_options): Add -f and -F.
1432         * options.cc (General_options::finalize): Fatal error if -f/-F
1433         are used without -shared.
1434         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1435
1436 2011-07-02  Ian Lance Taylor  <iant@google.com>
1437
1438         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1439
1440 2011-07-01  Ian Lance Taylor  <iant@google.com>
1441
1442         PR gold/12525
1443         PR gold/12952
1444         * resolve.cc (Symbol::override_base_with_special): Don't override
1445         the version if the overriding symbol has a different name.
1446         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1447         all callers.  If we give an error about an undefined version,
1448         define the base version if necessary.
1449         * dynobj.h (class Versions): Update declaration.
1450         * testsuite/weak_alias_test_5.cc: New file.
1451         * testsuite/weak_alias_test.script: New file.
1452         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1453         and versioned_alias have the right value, and call t2.
1454         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1455         weak_alias_test_5.so.
1456         (weak_alias_test_LDADD): Likewise.
1457         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1458         * testsuite/Makefile.in: Rebuild.
1459
1460 2011-07-01  Ian Lance Taylor  <iant@google.com>
1461
1462         PR gold/12525
1463         * options.h (class General_options): Support -z notext.
1464         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1465         -Wl,-z,notext.
1466         (two_file_shared_nonpic.so): Likewise.
1467         (two_file_shared_mixed.so): Likewise.
1468         (two_file_shared_mixed_1.so): Likewise.
1469         (weak_undef_lib_nonpic.so): Likewise.
1470         (alt/weak_undef_lib_nonpic.so): Likewise.
1471         (tls_test_shared_nonpic.so): Likewise.
1472         * testsuite/Makefile.in: Rebuild.
1473
1474 2011-07-01  Ian Lance Taylor  <iant@google.com>
1475
1476         PR gold/12525
1477         * configure.ac: Test whether static linking works, setting
1478         the automake conditional HAVE_STATIC.
1479         * testsuite/Makefile.am: Disable tests using -static if
1480         HAVE_STATIC is not true.
1481         * configure, testsuite/Makefile.in: Rebuild.
1482
1483 2011-07-01  Ian Lance Taylor  <iant@google.com>
1484
1485         PR gold/12525
1486         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1487         Assert if we see DW_EH_PE_indirect.
1488         * target.h (Target::ehframe_datarel_base): New function.
1489         (Target::do_ehframe_datarel_base): New target function.
1490         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1491         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1492         function.
1493
1494 2011-07-01  Ian Lance Taylor  <iant@google.com>
1495
1496         PR gold/12571
1497         * options.h (class General_options): Add
1498         --ld-generated-unwind-info.
1499         * ehframe.cc (Fde::write): Add address parameter.  Change all
1500         callers.  If associated with PLT, fill in address and size.
1501         (Cie::set_output_offset): Only add merge mapping if there is an
1502         object.
1503         (Cie::write): Add address parameter.  Change all callers.
1504         (Eh_frame::add_ehframe_for_plt): New function.
1505         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1506         input_offset_ fields into union u_, with new plt field.
1507         (Fde::Fde): Adjust for new union field.
1508         (Fde::Fde) [Output_data version]: New constructor.
1509         (Fde::add_mapping): Only add merge mapping if there is an object.
1510         (class Cie): Update declarations.
1511         (class Eh_frame): Declare add_ehframe_for_plt.
1512         * layout.cc (Layout::layout_eh_frame): Break out code into
1513         make_eh_frame_section, and call it.
1514         (Layout::make_eh_frame_section): New function.
1515         (Layout::add_eh_frame_for_plt): New function.
1516         * layout.h (class Layout): Update declarations.
1517         * merge.cc (Merge_map::add_mapping): Add assertion.
1518         * i386.cc: Include "dwarf.h".
1519         (class Output_data_plt_i386): Make first_plt_entry,
1520         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1521         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1522         and plt_eh_frame_fde.
1523         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1524         boundary.  Call add_eh_frame_for_plt if appropriate.
1525         * x86_64.cc: Include "dwarf.h".
1526         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1527         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1528         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1529         and plt_eh_frame_fde.
1530         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1531         appropriate.
1532
1533 2011-06-29  Ian Lance Taylor  <iant@google.com>
1534
1535         PR gold/12629
1536         * object.cc (Sized_relobj_file::layout_section): Change shdr
1537         parameter to be const.
1538         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1539         out of do_layout.
1540         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1541         appropriate.  Call layout_eh_frame_section.
1542         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1543         sections.
1544         * object.h (class Sized_relobj_file): Update declarations.
1545
1546 2011-06-29  Ian Lance Taylor  <iant@google.com>
1547
1548         PR gold/12652
1549         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1550         modifier.
1551         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1552
1553 2011-06-29  Ian Lance Taylor  <iant@google.com>
1554
1555         PR gold/12675
1556         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1557         SHT_X86_64_UNWIND.
1558         * layout.cc (Layout::layout_eh_frame): Likewise.
1559
1560 2011-06-29  Ian Lance Taylor  <iant@google.com>
1561
1562         PR gold/12695
1563         * layout.cc (Layout::symtab_section_shndx): New function.
1564         * layout.h (class Layout): Declare symtab_section_shndx.
1565         * output.cc (Output_section::write_header): Call it.
1566
1567 2011-06-29  Ian Lance Taylor  <iant@google.com>
1568
1569         PR gold/12818
1570         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1571         symbols which are not used in a relocation.
1572
1573 2011-06-28  Ian Lance Taylor  <iant@google.com>
1574
1575         PR gold/12898
1576         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1577         script create indistinguishable segments.
1578         (Layout::set_segment_offsets): Use stable_sort when sorting
1579         segments.  Pass this to Compare_segments constructor.
1580         * layout.h (class Layout): Make segment_precedes non-static.
1581         (class Compare_segments): Change from struct to class.  Add
1582         layout_ field.  Add constructor.
1583         * script-sections.cc
1584         (Script_sections::attach_sections_using_phdrs_clause): Rename
1585         local orphan to is_orphan.  Don't report failure to put empty
1586         section in segment.  On attachment failure, report name of
1587         section, and attach to first PT_LOAD segment.
1588
1589 2011-06-28  Ian Lance Taylor  <iant@google.com>
1590
1591         PR gold/12934
1592         * target-select.cc (Target_selector::Target_selector): Add
1593         emulation parameter.  Change all callers.
1594         (select_target_by_bfd_name): Rename from select_target_by_name.
1595         Change all callers.
1596         (select_target_by_emulation): New function.
1597         (supported_emulation_names): New function.
1598         * target-select.h (class Target_selector): Add emulation_ field.
1599         Update declarations.
1600         (Target_selector::recognize_by_bfd_name): Rename from
1601         recognize_by_name.  Change all callers.
1602         (Target_selector::supported_bfd_names): Rename from
1603         supported_names.  Change all callers.
1604         (Target_selector::recognize_by_emulation): New function.
1605         (Target_selector::supported_emulations): New function.
1606         (Target_selector::emulation): New function.
1607         (Target_selector::do_recognize_by_bfd_name): Rename from
1608         do_recognize_by_name.  Change all callers.
1609         (Target_selector::do_supported_bfd_names): Rename from
1610         do_supported_names.  Change all callers.
1611         (Target_selector::do_recognize_by_emulation): New function.
1612         (Target_selector::do_supported_emulations): New function.
1613         (select_target_by_bfd_name): Change name in declaration.
1614         (select_target_by_emulation): Declare.
1615         (supported_emulation_names): Declare.
1616         * parameters.cc (parameters_force_valid_target): Try to find
1617         target based on emulation from -m option.
1618         * options.h (class General_options): Change doc string for -m.
1619         * options.cc (help): Print emulations.
1620         (General_options::parse_V): Likewise.
1621         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1622         Add emulation parameter.  Change all callers.
1623
1624 2011-06-28  Ian Lance Taylor  <iant@google.com>
1625
1626         * target.h (class Target): Add osabi_ field.
1627         (Target::osabi): New function.
1628         (Target::set_osabi): New function.
1629         (Target::Target): Initialize osabi_.
1630         (Target::do_adjust_elf_header): Make pure virtual.
1631         (Sized_target::do_adjust_elf_header): Declare.
1632         * target.cc (Sized_target::do_adjust_elf_header): New function.
1633         (class Sized_target): Instantiate all versions.
1634         * freebsd.h (class Target_freebsd): Remove.
1635         (Target_selector_freebsd::do_recognize): Call set_osabi on
1636         Target.
1637         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1638         (Target_selector_freebsd::set_osabi): Remove.
1639         * i386.cc (class Target_i386): Inherit from Sized_target rather
1640         than Target_freebsd.
1641         * x86_64.cc (class Target_x86_64): Likewise.
1642
1643 2011-06-28  Ian Lance Taylor  <iant@google.com>
1644
1645         * target.h (Target::can_check_for_function_pointers): Rewrite.
1646         Make non-virtual.
1647         (Target::can_icf_inline_merge_sections): Likewise.
1648         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1649         (Target::Target_info): Add can_icf_inline_merge_sections field.
1650         (Target::do_can_check_for_function_pointers): New virtual
1651         function.
1652         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1653         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1654         from can_check_for_function_pointers, move in file.
1655         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1656         section_may_have_icf_unsafe_poineters, move in file.
1657         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1658         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1659         Rename from can_check_for_function_pointers, move in file.
1660         (Target_i386::can_icf_inline_merge_sections): Remove.
1661         (Target_i386::i386_info): Initialize
1662         can_icf_inline_merge_sections.
1663         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1664         Initialize can_icf_inline_merge_sections.
1665         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1666         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1667         Rename from can_check_for_function_pointers, move in file.
1668         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1669         (Target_x86_64::x86_64_info): Initialize
1670         can_icf_inline_merge_sections.
1671         * testsuite/testfile.cc (Target_test::test_target_info):
1672         Likewise.
1673         * icf.cc (get_section_contents): Correct formatting.
1674
1675 2011-06-27  Ian Lance Taylor  <iant@google.com>
1676
1677         * symtab.cc (Symbol::versioned_name): New function.
1678         (Symbol_table::add_to_final_symtab): Use versioned_name when
1679         appropriate.
1680         (Symbol_table::sized_write_symbol): Likewise.
1681         * symtab.h (class Symbol): Declare versioned_name.
1682         * stringpool.h (class Stringpool_template): Add variant of add
1683         which takes a std::basic_string.
1684         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1685         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1686         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1687         (ver_test_12.o): New target.
1688         * testsuite/Makefile.in: Rebuild.
1689
1690 2011-06-27  Doug Kwan  <dougkwan@google.com>
1691
1692         * arm.cc (Arm_relocate_functions::thm_jump8,
1693         Arm_relocate_functions::thm_jump11): Use a wider signed
1694         type to compute offset.
1695         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1696         arm_thm_jump8.
1697         * testsuite/Makefile.in: Regenerate.
1698         * testsuite/arm_branch_in_range.sh: Check test results of
1699         arm_thm_jump11 and arm_thm_jump8.
1700         * testsuite/arm_thm_jump11.s: New test source file.
1701         * testsuite/arm_thm_jump11.t: New linker script.
1702         * testsuite/arm_thm_jump8.s: New test source file.
1703         * testsuite/arm_thm_jump8.t: New linker script.
1704
1705 2011-06-24  Ian Lance Taylor  <iant@google.com>
1706
1707         * layout.cc: Include "object.h".
1708         (ctors_sections_in_init_array): New static variable.
1709         (Layout::is_ctors_in_init_array): New function.
1710         (Layout::layout): Add entry to ctors_sections_in_init_array if
1711         appropriate.
1712         * layout.h (class Layout): Declare is_ctors_in_init_array.
1713         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1714         is_ctors_reverse_view is set.
1715         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1716         all callers.  Set is_ctors_reverse_view field of View_size.
1717         (Sized_relobj_file::reverse_words): New function.
1718         * object.h (Sized_relobj_file::View_size): Add
1719         is_ctors_reverse_view field.
1720         (class Sized_relobj_file): Update declarations.
1721         * testsuite/initpri3.c: New test.
1722         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1723         initpri3b.
1724         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1725         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1726         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1727         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1728         * testsuite/Makefile.in: Rebuild.
1729
1730 2011-06-24  Cary Coutant  <ccoutant@google.com>
1731
1732         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1733         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1734         (debug_msg_cdebug.err): New targets.
1735         * testsuite/Makefile.in: Regenerate.
1736         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1737         Fix checks for link with shared library.
1738
1739 2011-06-24  Doug Kwan  <dougkwan@google.com>
1740
1741         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1742         skip empty text sections.
1743         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1744
1745 2011-06-22  Ian Lance Taylor  <iant@google.com>
1746
1747         PR gold/12910
1748         * options.h (class General_options): Add --ctors-in-init-array.
1749         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1750         friends as SHT_PROGBITS for merging sections.
1751         (Layout::layout): Remove special handling of .init_array and
1752         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1753         and .dtors if ctors_in_init_array.
1754         (Layout::make_output_section): Force correct section types for
1755         .init_array and friends.  Don't sort if doing relocatable link,
1756         Don't sort .ctors and .dtors if ctors_in_init_array.
1757         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1758         (Layout::output_section_name): Add relobj parameter.  Change all
1759         callers.  Handle .ctors. and .dtors. in code rather than table.
1760         Handle .ctors and .dtors if ctors_in_init_array.
1761         (Layout::match_file_name): New function, moved from output.cc.
1762         * layout.h (class Layout): Update declarations.
1763         * output.cc: Include "layout.h".
1764         (Input_section_sort_entry::get_priority): New function.
1765         (Input_section_sort_entry::match_file_name): Just call
1766         Layout::match_file_name.
1767         (Output_section::Input_section_sort_init_fini_compare::operator()):
1768         Handle .ctors and .dtors.  Sort by explicit priority rather than
1769         by name.
1770         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1771         * testsuite/initpri2.c: New test.
1772         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1773         (check_PROGRAMS): Add initpri2.
1774         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1775         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1776         * configure, testsuite/Makefile.in: Rebuild.
1777
1778 2011-06-19  Ian Lance Taylor  <iant@google.com>
1779
1780         PR gold/12880
1781         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1782         .interp section to a PT_INTERP segment even if we have seen a
1783         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1784         clause in a linker script.
1785         (Layout::finalize): Don't create a .interp section if we've
1786         already create a PT_INTERP segment.
1787         (Layout::create_interp): Always call choose_output_section (revert
1788         patch of 2011-06-17).  Don't create PT_INTERP segment.
1789         * script-sections.cc
1790         (Script_sections::create_note_and_tls_segments): Add a .interp
1791         section to a PT_INTERP segment even if we have seen a
1792         --dynamic-linker option.
1793
1794 2011-06-18  Ian Lance Taylor  <iant@google.com>
1795
1796         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1797         merely because a non-PT_LOAD segment has a dynamic reloc.
1798
1799 2011-06-18  Ian Lance Taylor  <iant@google.com>
1800
1801         * layout.cc (Layout::finish_dynamic_section): Don't create
1802         DT_FLAGS entry if not needed.
1803
1804 2011-06-18  Ian Lance Taylor  <iant@google.com>
1805
1806         PR gold/12745
1807         * layout.cc (Layout::layout_eh_frame): Correct handling of
1808         writable .eh_frame section.
1809
1810 2011-06-17  Ian Lance Taylor  <iant@google.com>
1811
1812         PR gold/12893
1813         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1814         symbol is redefined with the exact same object and value.
1815
1816 2011-06-17  Ian Lance Taylor  <iant@google.com>
1817
1818         PR gold/12880
1819         * layout.h (class Layout): Add interp_segment_ field.
1820         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1821         (Layout::attach_allocated_section_to_segment): If making shared
1822         library, put .interp section in PT_INTERP segment.
1823         (Layout::finalize): Also call create_interp if -dynamic-linker
1824         option was used.
1825         (Layout::create_interp): Assert that there is no PT_INTERP
1826         segment.  If not using a SECTIONS clause, use make_output_section.
1827         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1828         * script-sections.cc
1829         (Script_sections::create_note_and_tls_segments): If making shared
1830         library, put .interp section in PT_INTERP segment.
1831
1832 2011-06-17  Ian Lance Taylor  <iant@google.com>
1833
1834         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1835         when making a shared library.
1836
1837 2011-06-17  Ian Lance Taylor  <iant@google.com>
1838
1839         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1840         parameter.  Change all callers.  Don't issue warning about PC32
1841         against locally defined symbol.
1842
1843 2011-06-16  Ian Lance Taylor  <iant@google.com>
1844
1845         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1846         occurs in same object.
1847
1848 2011-06-14  Alan Modra  <amodra@gmail.com>
1849
1850         * po/POTFILES.in: Regenerate.
1851
1852 2011-06-09  Ian Lance Taylor  <iant@google.com>
1853
1854         * script-sections.cc
1855         (Orphan_output_section::set_section_addresses): For a relocatable
1856         link set address to 0.
1857
1858 2011-06-09  Cary Coutant  <ccoutant@google.com>
1859
1860         PR gold/12804
1861         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1862         used with --compress-debug-sections.
1863         * gold/object.cc (Sized_relobj_file::do_layout): Report
1864         uncompressed size of compressed input sections.
1865
1866 2011-06-08  Cary Coutant  <ccoutant@google.com>
1867
1868         PR gold/12804
1869         * testsuite/two_file_test_2_v1.cc: Change initialization of
1870         v2 to keep it in .data.
1871
1872 2011-06-07  Cary Coutant  <ccoutant@google.com>
1873
1874         * common.cc (Symbol_table::do_allocate_commons_list): Call
1875         gold_fallback.
1876         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1877         (Errors::fallback): New function.
1878         (gold_fallback): New function.
1879         * errors.h (Errors::fallback): New function.
1880         * gold.cc (gold_exit): Change status parameter to enum; adjust
1881         all callers.
1882         (queue_initial_tasks): Call gold_fallback.
1883         * gold.h: Include cstdlib.
1884         (Exit_status): New enum type.
1885         (gold_exit): Change status parameter to enum.
1886         (gold_fallback): New function.
1887         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1888         (Layout::create_symtab_sections): Likewise.
1889         (Layout::create_shdrs): Likewise.
1890         * main.cc (main): Adjust call to gold_exit.
1891         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1892         (Output_data_got::add_got_entry_pair): Likewise.
1893         (Output_section::add_input_section): Likewise.
1894         (Output_section::add_output_section_data): Likewise.
1895         (Output_segment::set_section_list_addresses): Likewise.
1896         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1897
1898 2011-06-07  Cary Coutant  <ccoutant@google.com>
1899
1900         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1901         for incremental links.
1902         * output.cc (Output_segment::set_section_list_addresses): Remove
1903         FIXME and test for TLS or BSS.
1904
1905 2011-06-07  Cary Coutant  <ccoutant@google.com>
1906
1907         * testsuite/Makefile.am: Add incremental_copy_test,
1908         incremental_common_test_1.
1909         * testsuite/Makefile.in: Regenerate.
1910         * testsuite/common_test_1_v1.c: New source file.
1911         * testsuite/common_test_1_v2.c: New source file.
1912         * testsuite/copy_test_v1.cc: New source file.
1913
1914 2011-06-07  Cary Coutant  <ccoutant@google.com>
1915
1916         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1917         update, allocate common from bss section's free list.
1918         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1919         linker-defined symbols.
1920         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1921         Skip GOT and PLT entries that are no longer referenced.
1922         (Output_section_incremental_inputs::write_info_blocks): Mark
1923         linker-defined symbols.
1924         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1925         * output.cc (Output_section::allocate): New function.
1926         * output.h (Output_section::allocate): New function.
1927         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1928         linker-defined symbols.
1929         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1930         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1931         (Symbol::init_base_output_data): Likewise.
1932         (Symbol::init_base_output_segment): Likewise.
1933         (Symbol::init_base_constant): Likewise.
1934         (Sized_symbol::init_output_data): Likewise.
1935         (Sized_symbol::init_output_segment): Likewise.
1936         (Sized_symbol::init_constant): Likewise.
1937         (Symbol_table::do_define_in_output_data): Likewise.
1938         (Symbol_table::do_define_in_output_segment): Likewise.
1939         (Symbol_table::do_define_as_constant): Likewise.
1940         * symtab.h (Symbol::is_predefined): New function.
1941         (Symbol::init_base_output_data): Add is_predefined parameter.
1942         (Symbol::init_base_output_segment): Likewise.
1943         (Symbol::init_base_constant): Likewise.
1944         (Symbol::is_predefined_): New data member.
1945         (Sized_symbol::init_output_data): Add is_predefined parameter.
1946         (Sized_symbol::init_output_segment): Likewise.
1947         (Sized_symbol::init_constant): Likewise.
1948         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1949
1950 2011-06-07  Cary Coutant  <ccoutant@google.com>
1951
1952         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1953         instead of emit_copy_reloc.
1954         (Copy_relocs::emit_copy_reloc): Refactor.
1955         (Copy_relocs::make_copy_reloc): New function.
1956         (Copy_relocs::add_copy_reloc): Remove.
1957         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1958         section.
1959         (Copy_relocs::make_copy_reloc): New function.
1960         (Copy_relocs::add_copy_reloc): Remove.
1961         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1962         unchanged input files.
1963         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1964         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1965         Reserve BSS space for COPY relocations.
1966         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1967         (Output_section_incremental_inputs::write_info_blocks): Record
1968         whether a symbol is copied from a shared object.
1969         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1970         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1971         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1972         (Incremental_input_entry_reader::get_output_symbol_index): Add
1973         is_copy parameter.
1974         (Incremental_binary::emit_copy_relocs): New function.
1975         (Incremental_binary::do_emit_copy_relocs): New function.
1976         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1977         new data member.
1978         (Sized_incremental_binary::add_copy_reloc): New function.
1979         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1980         (Sized_incremental_binary::Copy_reloc): New struct.
1981         (Sized_incremental_binary::Copy_relocs): New typedef.
1982         (Sized_incremental_binary::copy_relocs_): New data member.
1983         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1984         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1985         * target.h (Sized_target::emit_copy_reloc): New function.
1986         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1987
1988 2011-06-02  Cary Coutant  <ccoutant@google.com>
1989
1990         PR gold/12163
1991         * gold/archive.cc (Archive::Archive): Initialize new data member.
1992         (Archive::include_all_members): Return if archive has already been
1993         included.
1994         * gold/archive.h (Archive::include_all_members_): New data member.
1995
1996 2011-06-02  Nick Clifton  <nickc@redhat.com>
1997
1998         * dynobj.h: Fix spelling mistake in comment.
1999         * output.cc: Likewise.
2000
2001 2011-05-31  Doug Kwan  <dougkwan@google.com>
2002             Asier Llano
2003
2004         PR gold/12826
2005         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2006         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2007         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2008         redundant arm_exidx_test.so.
2009         * testsuite/Makefile.in: Regenerate.
2010         (check_SCRIPTS): Add pr12826.sh
2011         (check_DATA): Add pr12826.stdout
2012         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2013         * testsuite/pr12826.sh: New file.
2014         * testsuite/pr12826_1.s: Ditto.
2015         * testsuite/pr12826_1.s: Ditto.
2016
2017 2011-05-30  Ian Lance Taylor  <iant@google.com>
2018
2019         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2020         sections.
2021
2022 2011-05-29  Ian Lance Taylor  <iant@google.com>
2023
2024         PR gold/12804
2025         * testsuite/Makefile.am: Use different file name for two_file_test
2026         temporary file for each incremental test.
2027         * testsuite/Makefile.in: Rebuild.
2028
2029 2011-05-29  Ian Lance Taylor  <iant@google.com>
2030
2031         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2032         binary input file is empty.
2033
2034 2011-05-27  Ian Lance Taylor  <iant@google.com>
2035
2036         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2037         (ver_test_9.so): Likewise.
2038         * testsuite/Makefile.in: Rebuild.
2039
2040 2011-05-26 Cary Coutant  <ccoutant@google.com>
2041
2042         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2043         * incremental.cc (Incremental_inputs::report_input_section): Fix
2044         comment, indentation.
2045         (Incremental_inputs::report_comdat_group): New function.
2046         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2047         of data for incremental input file entry.
2048         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2049         group count, COMDAT group signatures.
2050         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2051         an unchanged input file.
2052         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2053         Initialize new data member.
2054         (Incremental_object_entry::add_comdat_group): New function.
2055         (Incremental_object_entry::get_comdat_group_count): New function.
2056         (Incremental_object_entry::get_comdat_signature_key): New function.
2057         (Incremental_object_entry::groups_): New data member.
2058         (Incremental_inputs::report_comdat_group): New function.
2059         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2060         data for incremental input file entry.
2061         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2062         (Incremental_input_entry_reader::get_input_section): Adjust size of
2063         data for incremental input file entry.
2064         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2065         (Incremental_input_entry_reader::get_comdat_group_signature): New
2066         function.
2067         * object.cc (Sized_relobj::include_section_group): Report kept
2068         COMDAT groups for incremental links.
2069
2070 2011-05-24  David Meyer  <pdox@google.com>
2071
2072         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2073         with name parameter.  Add found_name parameter.
2074         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2075         * dirsearch.h (class Dirsearch): Update declaration.
2076
2077 2011-05-24  Ian Lance Taylor  <iant@google.com>
2078
2079         * archive.cc (Library_base::should_include_member): Pull in object
2080         from archive if it defines the entry symbol.
2081         * parameters.cc (Parameters::entry): New function.
2082         * parameters.h (class Parameters): Declare entry.
2083         * output.h (class Output_file_header): Remove entry_ field.
2084         * output.cc (Output_file_header::Output_file_header): Remove entry
2085         parameter.  Change all callers.
2086         (Output_file_header::entry): Use parameters->entry.
2087         * gold.cc (queue_middle_tasks): Likewise.
2088         * plugin.cc (Plugin_hook::run): Likewise.
2089
2090 2011-05-24 Cary Coutant  <ccoutant@google.com>
2091
2092         * gold.cc (queue_initial_tasks): Pass incremental base filename
2093         to Output_file::open_base_file; don't print error message.
2094         * incremental-dump.cc (main): Adjust call to
2095         Output_file::open_for_modification.
2096         * incremental-dump.cc (main): Likewise.
2097         * incremental.cc (Incremental_inputs::report_command_line):
2098         Ignore --incremental-base option when comparing command lines.
2099         Ignore parameter when given as separate argument.
2100         * options.h (class General_options): Add --incremental-base.
2101         * output.cc (Output_file::Output_file):
2102         (Output_file::open_base_file): Add base_name and writable parameters;
2103         read base file into new file; print error message here.
2104         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2105         callers.
2106         * output.h (Output_file::open_for_modification): Rename to...
2107         (Output_file::open_base_file): ...this; add base_name and
2108         writable parameters; adjust all callers.
2109         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2110         callers.
2111         * testsuite/Makefile.am (incremental_test_4): Test
2112         --incremental-base.
2113         * testsuite/Makefile.in: Regenerate.
2114
2115 2011-05-24 Cary Coutant  <ccoutant@google.com>
2116
2117         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2118         incremental_test_4.
2119         * testsuite/Makefile.in: Regenerate.
2120         * testsuite/two_file_test_1_v1.cc: New test source file.
2121         * testsuite/two_file_test_1b_v1.cc: New test source file.
2122         * testsuite/two_file_test_2_v1.cc: New test source file.
2123
2124 2011-05-24 Cary Coutant  <ccoutant@google.com>
2125
2126         * dynobj.h (Dynobj::do_dynobj): New function.
2127         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2128         flag and soname for shared objects.
2129         * incremental.cc (Incremental_inputs::report_object): Make
2130         either Incremental_object_entry or Incremental_dynobj_entry; add
2131         soname to string table.
2132         (Incremental_inputs::report_input_section): Add assertion.
2133         (Output_section_incremental_inputs::set_final_data_size): Adjust
2134         type of input file entry for shared libraries; adjust size of
2135         shared library info entry.
2136         (Output_section_incremental_inputs::write_input_files): Write
2137         as_needed flag for shared libraries.
2138         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2139         of input file entry for shared libraries; write soname.
2140         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2141         soname from incremental info.
2142         * incremental.h (enum Incremental_input_flags): Add
2143         INCREMENTAL_INPUT_AS_NEEDED.
2144         (Incremental_input_entry::Incremental_input_entry): Initialize new
2145         data member.
2146         (Incremental_input_entry::set_as_needed): New function.
2147         (Incremental_input_entry::as_needed): New function.
2148         (Incremental_input_entry::do_dynobj_entry): New function.
2149         (Incremental_input_entry::as_needed_): New data member.
2150         (Incremental_object_entry::Incremental_object_entry): Don't check
2151         for shared library.
2152         (Incremental_object_entry::do_type): Likewise.
2153         (class Incremental_dynobj_entry): New class.
2154         (Incremental_input_entry_reader::as_needed): New function.
2155         (Incremental_input_entry_reader::get_soname): New function.
2156         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2157         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2158         size of shared library info entry.
2159         * layout.cc (Layout::finish_dynamic_section): Don't test for
2160         incremental link when adding DT_NEEDED entries.
2161         * object.h (Object::Object): Initialize new data member.
2162         (Object::dynobj): New function.
2163         (Object::set_as_needed): New function.
2164         (Object::as_needed): New function.
2165         (Object::do_dynobj): New function.
2166         (Object::as_needed_): New data member.
2167
2168 2011-05-24 Cary Coutant  <ccoutant@google.com>
2169
2170         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2171         info; adjust display of GOT entries.
2172         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2173         vector of input objects; remove file_status_.
2174         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2175         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2176         got_plt reader; call target hooks to reserve GOT entries.
2177         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2178         of input file info header and GOT info entry.
2179         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2180         relocation info.
2181         (Got_plt_view_info::got_descriptor): Remove.
2182         (Got_plt_view_info::sym_index): New data member.
2183         (Got_plt_view_info::input_index): New data member.
2184         (Local_got_offset_visitor::visit): Write input file index.
2185         (Global_got_offset_visitor::visit): Write 0 for input file index.
2186         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2187         with sym_index and input_index.
2188         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2189         incremental info GOT entry; replace got_descriptor with input_index.
2190         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2191         map from input file index to object.
2192         (Sized_relobj_incr::do_layout): Replace direct data member reference
2193         with accessor function.
2194         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2195         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2196         Adjust size of input file info header.
2197         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2198         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2199         (Incremental_input_entry_reader::get_input_section): Adjust size of
2200         input file info header.
2201         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2202         of incremental info GOT entry.
2203         (Incremental_got_plt_reader::get_got_desc): Remove.
2204         (Incremental_got_plt_reader::get_got_symndx): New function.
2205         (Incremental_got_plt_reader::get_got_input_index): New function.
2206         (Sized_incremental_binary::Sized_incremental_binary): Remove
2207         file_status_; add input_objects_.
2208         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2209         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2210         (Sized_incremental_binary::file_is_unchanged): Remove.
2211         (Sized_incremental_binary::set_input_object): New function.
2212         (Sized_incremental_binary::input_object): New function.
2213         (Sized_incremental_binary::file_status_): Remove.
2214         (Sized_incremental_binary::input_objects_): New data member.
2215         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2216         references.
2217         (Sized_relobj_incr::invalid_address): Move to base class.
2218         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2219         class.
2220         (Sized_relobj_incr::do_output_section_offset): Likewise.
2221         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2222         (Sized_relobj_incr::section_offsets_): Likewise.
2223         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2224         function.
2225         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2226         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2227         with accessor function.
2228         (Sized_relobj_file::do_layout): Likewise.
2229         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2230         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2231         (Sized_relobj_file::compute_final_local_value): Replace refs to
2232         section_offsets_ with accessor function.
2233         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2234         * object.h (Relobj::Relobj): Initialize new data members.
2235         (Relobj::add_dyn_reloc): New function.
2236         (Relobj::first_dyn_reloc): New function.
2237         (Relobj::dyn_reloc_count): New function.
2238         (Relobj::first_dyn_reloc_): New data member.
2239         (Relobj::dyn_reloc_count_): New data member.
2240         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2241         references.
2242         (Sized_relobj::Address): New typedef.
2243         (Sized_relobj::invalid_address): Move here from child class.
2244         (Sized_relobj::Sized_relobj): Initialize new data members.
2245         (Sized_relobj::sized_relobj): New function.
2246         (Sized_relobj::is_output_section_offset_invalid): Move here from
2247         child class.
2248         (Sized_relobj::get_output_section_offset): Likewise.
2249         (Sized_relobj::local_has_got_offset): Likewise.
2250         (Sized_relobj::local_got_offset): Likewise.
2251         (Sized_relobj::set_local_got_offset): Likewise.
2252         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2253         (Sized_relobj::clear_got_offsets): New function.
2254         (Sized_relobj::section_offsets): Move here from child class.
2255         (Sized_relobj::do_output_section_offset): Likewise.
2256         (Sized_relobj::do_set_section_offset): Likewise.
2257         (Sized_relobj::Local_got_offsets): Likewise.
2258         (Sized_relobj::local_got_offsets_): Likewise.
2259         (Sized_relobj::section_offsets_): Likewise.
2260         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2261         references.
2262         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2263         class.
2264         (Sized_relobj_file::sized_relobj): New function
2265         (Sized_relobj_file::local_has_got_offset): Move to base class.
2266         (Sized_relobj_file::local_got_offset): Likewise.
2267         (Sized_relobj_file::set_local_got_offset): Likewise.
2268         (Sized_relobj_file::get_output_section_offset): Likewise.
2269         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2270         (Sized_relobj_file::do_output_section_offset): Likewise.
2271         (Sized_relobj_file::do_set_section_offset): Likewise.
2272         (Sized_relobj_file::Local_got_offsets): Likewise.
2273         (Sized_relobj_file::local_got_offsets_): Likewise.
2274         (Sized_relobj_file::section_offsets_): Likewise.
2275         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2276         (all constructors).
2277         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2278         (Output_reloc::get_symbol_index): Likewise.
2279         (Output_reloc::local_section_offset): Likewise.
2280         (Output_reloc::get_address): Likewise.
2281         (Output_reloc::symbol_value): Likewise.
2282         (Output_data_got::reserve_slot): Move to class definition.
2283         (Output_data_got::reserve_local): New function.
2284         (Output_data_got::reserve_slot_for_global): Remove.
2285         (Output_data_got::reserve_global): New function.
2286         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2287         (all constructors, two instantiations).
2288         (Output_reloc::get_relobj): New function (two instantiations).
2289         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2290         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2291         (Output_data_reloc::add_global): Adjust type of relobj.
2292         (Output_data_reloc::add_global_relative): Likewise.
2293         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2294         (Output_data_reloc::add_local): Likewise.
2295         (Output_data_reloc::add_local_relative): Likewise.
2296         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2297         (Output_data_reloc::add_local_section): Likewise.
2298         (Output_data_reloc::add_output_section): Likewise.
2299         (Output_data_reloc::add_absolute): Likewise.
2300         (Output_data_reloc::add_target_specific): Likewise.
2301         (Output_data_got::reserve_slot): Move definition here.
2302         (Output_data_got::reserve_local): New function.
2303         (Output_data_got::reserve_global): New function.
2304         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2305         section_offsets_ with accessor function.
2306         (Sized_relobj_file::write_sections): Likewise.
2307         (Sized_relobj_file::do_relocate_sections): Likewise.
2308         * target.h (Sized_target::reserve_local_got_entry): New function.
2309         (Sized_target::reserve_global_got_entry): New function.
2310         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2311         (Target_x86_64::reserve_global_got_entry): New function.
2312         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2313
2314 2011-05-23 Cary Coutant  <ccoutant@google.com>
2315
2316         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2317         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2318         bit when checking got_type.
2319         * incremental.cc (Sized_incremental_binary::setup_readers):
2320         Store symbol table and string table locations; initialize bit vector
2321         of file status flags.
2322         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2323         unchanged files.
2324         (Sized_incremental_binary::do_process_got_plt): New function.
2325         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2326         (Output_section_incremental_inputs::set_final_data_size): Record
2327         file index for each input file.
2328         (Output_section_incremental_inputs::write_got_plt): Store file index
2329         instead of input entry offset for each GOT entry.
2330         * incremental.h
2331         (Incremental_input_entry::Incremental_input_entry): Initialize new
2332         data member.
2333         (Incremental_input_entry::set_offset): Store file index.
2334         (Incremental_input_entry::get_file_index): New function.
2335         (Incremental_input_entry::file_index_): New data member.
2336         (Incremental_binary::process_got_plt): New function.
2337         (Incremental_binary::do_process_got_plt): New function.
2338         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2339         data members.
2340         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2341         (Sized_incremental_binary::set_file_is_unchanged): New function.
2342         (Sized_incremental_binary::file_is_unchanged): New function.
2343         (Sized_incremental_binary::do_process_got_plt): New function.
2344         (Sized_incremental_binary::file_status_): New data member.
2345         (Sized_incremental_binary::main_symtab_loc_): New data member.
2346         (Sized_incremental_binary::main_strtab_loc_): New data member.
2347         * output.cc (Output_data_got::Got_entry::write): Add case
2348         RESERVED_CODE.
2349         (Output_data_got::add_global): Call add_got_entry.
2350         (Output_data_got::add_global_plt): Likewise.
2351         (Output_data_got::add_global_with_rel): Likewise.
2352         (Output_data_got::add_global_with_rela): Likewise.
2353         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2354         (Output_data_got::add_global_pair_with_rela): Likewise.
2355         (Output_data_got::add_local): Call add_got_entry.
2356         (Output_data_got::add_local_plt): Likewise.
2357         (Output_data_got::add_local_with_rel): Likewise.
2358         (Output_data_got::add_local_with_rela): Likewise.
2359         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2360         (Output_data_got::add_local_pair_with_rela): Likewise.
2361         (Output_data_got::reserve_slot): New function.
2362         (Output_data_got::reserve_slot_for_global): New function.
2363         (Output_data_got::add_got_entry): New function.
2364         (Output_data_got::add_got_entry_pair): New function.
2365         (Output_section::add_output_section_data): Edit FIXME.
2366         * output.h
2367         (Output_section_data_build::Output_section_data_build): New
2368         constructor with size parameter.
2369         (Output_data_space::Output_data_space): Likewise.
2370         (Output_data_got::Output_data_got): Initialize new data member; new
2371         constructor with size parameter.
2372         (Output_data_got::add_constant): Call add_got_entry.
2373         (Output_data_got::reserve_slot): New function.
2374         (Output_data_got::reserve_slot_for_global): New function.
2375         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2376         (Output_data_got::add_got_entry): New function.
2377         (Output_data_got::add_got_entry_pair): New function.
2378         (Output_data_got::free_list_): New data member.
2379         * target.h (Sized_target::init_got_plt_for_update): New function.
2380         (Sized_target::register_global_plt_entry): New function.
2381         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2382         Initialize new data member; call init; add constructor with PLT count.
2383         (Output_data_plt_x86_64::init): New function.
2384         (Output_data_plt_x86_64::add_relocation): New function.
2385         (Output_data_plt_x86_64::reserve_slot): New function.
2386         (Output_data_plt_x86_64::free_list_): New data member.
2387         (Target_x86_64::init_got_plt_for_update): New function.
2388         (Target_x86_64::register_global_plt_entry): New function.
2389         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2390         incremental updates.
2391         (Output_data_plt_x86_64::add_relocation): New function.
2392         * testsuite/object_unittest.cc (Object_test): Set default options.
2393
2394 2011-05-16  Ian Lance Taylor  <iant@google.com>
2395
2396         * options.h (class General_options): Make -i a synonym for -r.
2397
2398 2011-05-16  Ian Lance Taylor  <iant@google.com>
2399
2400         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2401
2402 2011-05-10 Cary Coutant  <ccoutant@google.com>
2403
2404         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2405         strip_all (-s).
2406
2407 2011-05-06  Ian Lance Taylor  <iant@google.com>
2408
2409         * layout.cc (Layout::layout): If the output section flags change,
2410         update the ordering.
2411
2412 2011-04-25 Cary Coutant  <ccoutant@google.com>
2413
2414         * incremental-dump.cc (dump_incremental_inputs): Print local
2415         symbol info for each input file.
2416         * incremental.cc
2417         (Output_section_incremental_inputs::set_final_data_size): Add local
2418         symbol info to input file entries in incremental info.
2419         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2420         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2421         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2422         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2423         implementation.
2424         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2425         (Sized_incr_relobj::do_relocate): Write the local symbols.
2426         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2427         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2428         Adjust size of input file header.
2429         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2430         (Incremental_inputs_reader::get_local_symbol_count): New function.
2431         (Incremental_inputs_reader::get_input_section): Adjust size of input
2432         file header.
2433         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2434         (Sized_incr_relobj::This): New typedef.
2435         (Sized_incr_relobj::sym_size): New const data member.
2436         (Sized_incr_relobj::Local_symbol): New struct.
2437         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2438         (Sized_incr_relobj::do_local_symbol_offset): New function.
2439         (Sized_incr_relobj::local_symbol_count_): New data member.
2440         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2441         (Sized_incr_relobj::local_symbol_index_): New data member.
2442         (Sized_incr_relobj::local_symbol_offset_): New data member.
2443         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2444         (Sized_incr_relobj::local_symbols_): New data member.
2445         * object.h (Relobj::output_local_symbol_count): New function.
2446         (Relobj::local_symbol_offset): New function.
2447         (Relobj::do_output_local_symbol_count): New function.
2448         (Relobj::do_local_symbol_offset): New function.
2449         (Sized_relobj::do_output_local_symbol_count): New function.
2450         (Sized_relobj::do_local_symbol_offset): New function.
2451
2452 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2453
2454         * descriptors.cc (set_close_on_exec): New function.
2455         (Descriptors::open): Use set_close_on_exec.
2456         * output.cc (S_ISLNK): Define if not defined.
2457
2458 2011-04-22 Cary Coutant  <ccoutant@google.com>
2459
2460         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2461         global symbol map.
2462         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2463         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2464         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2465         relocations.
2466         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2467         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2468         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2469         * incremental.h
2470         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2471         function.
2472         (Incremental_binary::apply_incremental_relocs): New function.
2473         (Incremental_binary::do_apply_incremental_relocs): New function.
2474         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2475         data member.
2476         (Sized_incremental_binary::add_global_symbol): New function.
2477         (Sized_incremental_binary::global_symbol): New function.
2478         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2479         (Sized_incremental_binary::symbol_map_): New data member.
2480         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2481         * target.h (Sized_target::apply_relocation): New function.
2482         * target-reloc.h (apply_relocation): New function.
2483         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2484
2485 2011-04-22  Doug Kwan  <dougkwan@google.com>
2486
2487         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2488         flag of a SHT_ARM_EXIDX section.
2489         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2490         * testsuite/Makefile.in: Regenerate.
2491         * testsuite/arm_exidx_test.s: New file.
2492         * testsuite/arm_exidx_test.sh: Same.
2493
2494 2011-04-20 Cary Coutant  <ccoutant@google.com>
2495
2496         PR gold/12689
2497         * archive.h (Incremental_archive_entry::Archive_member):
2498         Initialize arg_serial_ (second constructor).
2499
2500 2011-04-17  Ian Lance Taylor  <iant@google.com>
2501
2502         * object.cc (Relocate_info::location): Simplify location string.
2503         * errors.cc (Errors::error_at_location): Don't print program
2504         name.
2505         (Errors::warning_at_location): Likewise.
2506         (Errors::undefined_symbol): Likewise.
2507         * testsuite/debug_msg.sh: Update accordingly.
2508
2509 2011-04-14 Cary Coutant  <ccoutant@google.com>
2510
2511         * gold/layout.cc (Layout::symtab_section_offset): New function.
2512         * gold/layout.h (Layout::symtab_section_offset): New function.
2513         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2514
2515 2011-04-12  Ian Lance Taylor  <iant@google.com>
2516
2517         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2518         with MREMAP_MAYMOVE.
2519         * output.h (class Output_file): Add map_is_allocated_ field.
2520         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2521         not available, provide stubs.  If mremap is not available, #define
2522         it to gold_mremap.
2523         (MREMAP_MAYMOVE): Define if not defined.
2524         (Output_file::Output_file): Initialize map_is_allocated_.
2525         (Output_file::resize): Check map_is_allocated_.
2526         (Output_file::map_anonymous): If mmap fails, use malloc.
2527         (Output_file::unmap): Don't do anything for an anonymous map.
2528         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2529         is not available, provide stubs.
2530         (File_read::View::~View): Use free rather than delete[].
2531         (File_read::make_view): Use malloc rather than new[].  If mmap
2532         fails, use malloc.
2533         (File_read::find_or_make_view): Use malloc rather than new[].
2534         * gold.h: Remove HAVE_REMAP code.
2535         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2536         exists.  Rename mremap to gold_mremap.  If mmap is not available
2537         don't do anything.
2538         * configure, config.in: Rebuild.
2539
2540 2011-04-11  Ian Lance Taylor  <iant@google.com>
2541
2542         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2543         initialize local variable v.
2544
2545 2011-04-11  Cary Coutant  <ccoutant@google.com>
2546
2547         * archive.cc (Archive::include_member): Adjust call to
2548         report_object.
2549         (Add_archive_symbols::run): Track argument serial numbers.
2550         (Lib_group::include_member): Likewise.
2551         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2552         * archive.h (Incremental_archive_entry::Archive_member):
2553         Initialize arg_serial_.
2554         (Archive_member::arg_serial_): New data member.
2555         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2556         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2557         incremental link.
2558         (Sized_dynobj::do_for_all_local_got_entries): New function.
2559         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2560         function.
2561         * fileread.cc (get_mtime): New function.
2562         * fileread.h (get_mtime): New function.
2563         * gold.cc (queue_initial_tasks): Check for incremental update.
2564         (process_incremental_input): New function.
2565         (queue_middle_tasks): Don't force valid target for incremental
2566         update.
2567         * incremental-dump.cc (find_input_containing_global): Adjust
2568         size of symbol info entry.
2569         (dump_incremental_inputs): Dump argument serial number and
2570         in_system_directory flag; bias shndx by 1; print symbol names
2571         when dumping per-file symbol lists; use new symbol info readers.
2572         * incremental.cc
2573         (Output_section_incremental_inputs:update_data_size): New function.
2574         (Sized_incremental_binary::setup_readers): Setup input readers
2575         for each input file; build maps for files added from libraries
2576         and scripts.
2577         (Sized_incremental_binary::check_input_args): New function.
2578         (Sized_incremental_binary::do_check_inputs): Build map of argument
2579         serial numbers to input arguments.
2580         (Sized_incremental_binary::do_file_has_changed): Rename
2581         do_file_is_unchanged to this; compare file modification times.
2582         (Sized_incremental_binary::do_init_layout): New function.
2583         (Sized_incremental_binary::do_reserve_layout): New function.
2584         (Sized_incremental_binary::do_get_input_reader): Remove.
2585         (Sized_incremental_binary::get_symtab_view): New function.
2586         (Incremental_checker::can_incrementally_link_output_file): Remove.
2587         (Incremental_inputs::report_command_line): Exclude --debug options.
2588         (Incremental_inputs::report_archive_begin): Add parameter; track
2589         argument serial numbers; don't put input file entry for archive
2590         before archive members.
2591         (Incremental_inputs::report_archive_end): Put input file entry
2592         for archive after archive members.
2593         (Incremental_inputs::report_object): Add parameter; track argument
2594         serial numbers and in_system_directory flag.
2595         (Incremental_inputs::report_script): Add parameter; track argument
2596         serial numbers.
2597         (Output_section_incremental_inputs::set_final_data_size): Adjust
2598         size of symbol info entry; check for forwarding symbols.
2599         (Output_section_incremental_inputs::write_input_files): Write
2600         in_system_directory flag and argument serial number.
2601         (Output_section_incremental_inputs::write_info_blocks): Map section
2602         indices between incremental info and original input file; store
2603         input section index for each symbol.
2604         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2605         change operator() to visit().
2606         (class Global_got_offset_visitor): Likewise.
2607         (class Global_symbol_visitor_got_plt):
2608         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2609         classes.
2610         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2611         (Sized_incr_relobj::do_read_symbols): New function.
2612         (Sized_incr_relobj::do_layout): New function.
2613         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2614         (Sized_incr_relobj::do_add_symbols): New function.
2615         (Sized_incr_relobj::do_should_include_member): New function.
2616         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2617         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2618         (Sized_incr_relobj::do_section_size): New function.
2619         (Sized_incr_relobj::do_section_name): New function.
2620         (Sized_incr_relobj::do_section_contents): New function.
2621         (Sized_incr_relobj::do_section_flags): New function.
2622         (Sized_incr_relobj::do_section_entsize): New function.
2623         (Sized_incr_relobj::do_section_address): New function.
2624         (Sized_incr_relobj::do_section_type): New function.
2625         (Sized_incr_relobj::do_section_link): New function.
2626         (Sized_incr_relobj::do_section_info): New function.
2627         (Sized_incr_relobj::do_section_addralign): New function.
2628         (Sized_incr_relobj::do_initialize_xindex): New function.
2629         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2630         (Sized_incr_relobj::do_read_relocs): New function.
2631         (Sized_incr_relobj::do_gc_process_relocs): New function.
2632         (Sized_incr_relobj::do_scan_relocs): New function.
2633         (Sized_incr_relobj::do_count_local_symbols): New function.
2634         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2635         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2636         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2637         (Sized_incr_relobj::do_relocate): New function.
2638         (Sized_incr_relobj::do_set_section_offset): New function.
2639         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2640         (Sized_incr_dynobj::do_read_symbols): New function.
2641         (Sized_incr_dynobj::do_layout): New function.
2642         (Sized_incr_dynobj::do_add_symbols): New function.
2643         (Sized_incr_dynobj::do_should_include_member): New function.
2644         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2645         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2646         (Sized_incr_dynobj::do_section_size): New function.
2647         (Sized_incr_dynobj::do_section_name): New function.
2648         (Sized_incr_dynobj::do_section_contents): New function.
2649         (Sized_incr_dynobj::do_section_flags): New function.
2650         (Sized_incr_dynobj::do_section_entsize): New function.
2651         (Sized_incr_dynobj::do_section_address): New function.
2652         (Sized_incr_dynobj::do_section_type): New function.
2653         (Sized_incr_dynobj::do_section_link): New function.
2654         (Sized_incr_dynobj::do_section_info): New function.
2655         (Sized_incr_dynobj::do_section_addralign): New function.
2656         (Sized_incr_dynobj::do_initialize_xindex): New function.
2657         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2658         (make_sized_incremental_object): New function.
2659         (Incremental_library::copy_unused_symbols): New function.
2660         (Incremental_library::do_for_all_unused_symbols): New function.
2661         * incremental.h (enum Incremental_input_flags): New type.
2662         (class Incremental_checker): Remove.
2663         (Incremental_input_entry::Incremental_input_entry): Add argument
2664         serial number.
2665         (Incremental_input_entry::arg_serial): New function.
2666         (Incremental_input_entry::set_is_in_system_directory): New function.
2667         (Incremental_input_entry::is_in_system_directory): New function.
2668         (Incremental_input_entry::arg_serial_): New data member.
2669         (Incremental_input_entry::is_in_system_directory_): New data member.
2670         (class Script_info): Move here from script.h.
2671         (Script_info::Script_info): Add filename parameter.
2672         (Script_info::filename): New function.
2673         (Script_info::filename_): New data member.
2674         (Incremental_script_entry::Incremental_script_entry): Add argument
2675         serial number.
2676         (Incremental_object_entry::Incremental_object_entry): Likewise.
2677         (Incremental_object_entry::add_input_section): Build list of input
2678         sections with map to original shndx.
2679         (Incremental_object_entry::get_input_section_index): New function.
2680         (Incremental_object_entry::shndx_): New data member.
2681         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2682         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2683         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2684         serial number.
2685         (Incremental_inputs::report_archive_begin): Likewise.
2686         (Incremental_inputs::report_object): Likewise.
2687         (Incremental_inputs::report_script): Likewise.
2688         (class Incremental_global_symbol_reader): New class.
2689         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2690         and store flags and input file type.
2691         (Incremental_input_entry_reader::arg_serial): New function.
2692         (Incremental_input_entry_reader::type): Extract type from flags.
2693         (Incremental_input_entry_reader::is_in_system_directory): New function.
2694         (Incremental_input_entry_reader::get_input_section_count): Call
2695         accessor function for type.
2696         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2697         function for type; adjust size of global symbol entry.
2698         (Incremental_input_entry_reader::get_global_symbol_count): Call
2699         accessor function for type.
2700         (Incremental_input_entry_reader::get_object_count): Likewise.
2701         (Incremental_input_entry_reader::get_object_offset): Likewise.
2702         (Incremental_input_entry_reader::get_member_count): Likewise.
2703         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2704         (Incremental_input_entry_reader::get_member_offset): Likewise.
2705         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2706         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2707         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2708         (Incremental_input_entry_reader::get_global_symbol_reader): New
2709         function.
2710         (Incremental_input_entry_reader::get_output_symbol_index): New
2711         function.
2712         (Incremental_input_entry_reader::type_): Remove.
2713         (Incremental_input_entry_reader::flags_): New data member.
2714         (Incremental_inputs_reader::input_file_offset): New function.
2715         (Incremental_inputs_reader::input_file_index): New function.
2716         (Incremental_inputs_reader::input_file): Call input_file_offset.
2717         (Incremental_inputs_reader::input_file_at_offset): New function.
2718         (Incremental_relocs_reader::get_r_type): Reformat.
2719         (Incremental_relocs_reader::get_r_shndx): Reformat.
2720         (Incremental_relocs_reader::get_r_offset): Reformat.
2721         (Incremental_relocs_reader::data): New function.
2722         (Incremental_binary::Incremental_binary): Initialize new data members.
2723         (Incremental_binary::check_inputs): Add cmdline parameter.
2724         (Incremental_binary::file_is_unchanged): Remove.
2725         (Input_reader::arg_serial): New function.
2726         (Input_reader::get_unused_symbol_count): New function.
2727         (Input_reader::get_unused_symbol): New function.
2728         (Input_reader::do_arg_serial): New function.
2729         (Input_reader::do_get_unused_symbol_count): New function.
2730         (Input_reader::do_get_unused_symbol): New function.
2731         (Incremental_binary::input_file_count): New function.
2732         (Incremental_binary::get_input_reader): Change signature to use
2733         index instead of filename.
2734         (Incremental_binary::file_has_changed): New function.
2735         (Incremental_binary::get_input_argument): New function.
2736         (Incremental_binary::get_library): New function.
2737         (Incremental_binary::get_script_info): New function.
2738         (Incremental_binary::init_layout): New function.
2739         (Incremental_binary::reserve_layout): New function.
2740         (Incremental_binary::output_file): New function.
2741         (Incremental_binary::do_check_inputs): New function.
2742         (Incremental_binary::do_file_is_unchanged): Remove.
2743         (Incremental_binary::do_file_has_changed): New function.
2744         (Incremental_binary::do_init_layout): New function.
2745         (Incremental_binary::do_reserve_layout): New function.
2746         (Incremental_binary::do_input_file_count): New function.
2747         (Incremental_binary::do_get_input_reader): Change signature.
2748         (Incremental_binary::input_args_map_): New data member.
2749         (Incremental_binary::library_map_): New data member.
2750         (Incremental_binary::script_map_): New data member.
2751         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2752         new data members.
2753         (Sized_incremental_binary::output_section): New function.
2754         (Sized_incremental_binary::inputs_reader): Add const.
2755         (Sized_incremental_binary::symtab_reader): Add const.
2756         (Sized_incremental_binary::relocs_reader): Add const.
2757         (Sized_incremental_binary::got_plt_reader): Add const.
2758         (Sized_incremental_binary::get_symtab_view): New function.
2759         (Sized_incremental_binary::Inputs_reader): New typedef.
2760         (Sized_incremental_binary::Input_entry_reader): New typedef.
2761         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2762         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2763         (Sized_incremental_binary::do_file_has_changed): New function.
2764         (Sized_incremental_binary::do_init_layout): New function.
2765         (Sized_incremental_binary::do_reserve_layout): New function.
2766         (Sized_input_reader::Inputs_reader): Remove.
2767         (Sized_input_reader::Input_entry_reader): Remove.
2768         (Sized_input_reader::do_arg_serial): New function.
2769         (Sized_input_reader::do_get_unused_symbol_count): New function.
2770         (Sized_input_reader::do_get_unused_symbol): New function.
2771         (Sized_incremental_binary::do_input_file_count): New function.
2772         (Sized_incremental_binary::do_get_input_reader): Change signature;
2773         use index instead of filename.
2774         (Sized_incremental_binary::section_map_): New data member.
2775         (Sized_incremental_binary::input_entry_readers_): New data member.
2776         (class Sized_incr_relobj): New class.
2777         (class Sized_incr_dynobj): New class.
2778         (make_sized_incremental_object): New function.
2779         (class Incremental_library): New class.
2780         * layout.cc (Free_list::num_lists): New static data member.
2781         (Free_list::num_nodes): New static data member.
2782         (Free_list::num_removes): New static data member.
2783         (Free_list::num_remove_visits): New static data member.
2784         (Free_list::num_allocates): New static data member.
2785         (Free_list::num_allocate_visits): New static data member.
2786         (Free_list::init): New function.
2787         (Free_list::remove): New function.
2788         (Free_list::allocate): New function.
2789         (Free_list::dump): New function.
2790         (Free_list::print_stats): New function.
2791         (Layout_task_runner::run): Resize output file for incremental updates.
2792         (Layout::Layout): Initialize new data members.
2793         (Layout::set_incremental_base): New function.
2794         (Layout::init_fixed_output_section): New function.
2795         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2796         incremental updates.
2797         (Layout::create_gold_note): Do not create gold note section for
2798         incremental updates.
2799         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2800         for incremental updates.
2801         (Layout::set_section_offsets): For incremental updates, allocate space
2802         from free list.
2803         (Layout::create_symtab_sections): Layout with offsets relative to
2804         start of section; for incremental updates, allocate space from free
2805         list.
2806         (Layout::create_shdrs): For incremental updates, allocate space from
2807         free list.
2808         (Layout::finish_dynamic_section): For incremental updates, do not
2809         check --as-needed (fixed in subsequent patch).
2810         * layout.h (class Free_list): New class.
2811         (Layout::set_incremental_base): New function.
2812         (Layout::incremental_base): New function.
2813         (Layout::init_fixed_output_section): New function.
2814         (Layout::allocate): New function.
2815         (Layout::incremental_base_): New data member.
2816         (Layout::free_list_): New data member.
2817         * main.cc (main): Print Free_list statistics.
2818         * object.cc (Relobj::finalize_incremental_relocs): Add
2819         clear_counts parameter; clear counts only when clear_counts is set.
2820         (Sized_relobj::Sized_relobj): Initialize new base class.
2821         (Sized_relobj::do_layout): Don't report special sections.
2822         (Sized_relobj::do_for_all_local_got_entries): New function.
2823         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2824         symtab_off to all symbol table offsets.
2825         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2826         * object.h (class Got_offset_list): Move to top of file.
2827         (Object::Object): Allow case where input_file == NULL.
2828         (Object::~Object): Likewise.
2829         (Object::input_file): Assert that input_file != NULL.
2830         (Object::lock): Allow case where input_file == NULL.
2831         (Object::unlock): Likewise.
2832         (Object::is_locked): Likewise.
2833         (Object::token): Likewise.
2834         (Object::release): Likewise.
2835         (Object::is_incremental): New function.
2836         (Object::get_mtime): New function.
2837         (Object::for_all_local_got_entries): New function.
2838         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2839         (Object::set_is_in_system_directory): New function.
2840         (Object::is_in_system_directory): New function.
2841         (Object::do_is_incremental): New function.
2842         (Object::do_get_mtime): New function.
2843         (Object::do_for_all_local_got_entries): New function.
2844         (Object::is_in_system_directory_): New data member.
2845         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2846         (class Sized_relobj_base): New class.
2847         (class Sized_relobj): Derive from Sized_relobj_base.
2848         (class Sized_relobj::Symbols): Redeclare from base class.
2849         (class Sized_relobj::local_got_offset_list): Remove.
2850         (class Sized_relobj::Output_sections): Redeclare from base class.
2851         (class Sized_relobj::do_for_all_local_got_entries): New function.
2852         (class Sized_relobj::write_local_symbols): Add offset parameter.
2853         (class Sized_relobj::local_symbol_offset_): Update comment.
2854         (class Sized_relobj::local_dynsym_offset_): Update comment.
2855         * options.cc (Input_arguments::add_file): Remove const.
2856         * options.h (Input_file_argument::Input_file_argument):
2857         Initialize arg_serial_ (all constructors).
2858         (Input_file_argument::set_arg_serial): New function.
2859         (Input_file_argument::arg_serial): New function.
2860         (Input_file_argument::arg_serial_): New data member.
2861         (Input_arguments::Input_arguments): Initialize file_count_.
2862         (Input_arguments::add_file): Remove const.
2863         (Input_arguments::number_of_input_files): New function.
2864         (Input_arguments::file_count_): New data member.
2865         (Command_line::number_of_input_files): Call
2866         Input_arguments::number_of_input_files.
2867         * output.cc (Output_segment_headers::Output_segment_headers):
2868         Set current size.
2869         (Output_section::Input_section::current_data_size): New function.
2870         (Output_section::Output_section): Initialize new data members.
2871         (Output_section::add_input_section): Don't do merge sections for
2872         an incremental link; allocate space from free list for an
2873         incremental update.
2874         (Output_section::add_output_section_data): Allocate space from
2875         free list for an incremental update.
2876         (Output_section::update_data_size): New function.
2877         (Output_section::set_fixed_layout): New function.
2878         (Output_section::reserve): New function.
2879         (Output_segment::set_section_addresses): Remove const.
2880         (Output_segment::set_section_list_addresses): Remove const; allocate
2881         space from free list for an incremental update.
2882         (Output_segment::set_offset): Adjust size of RELRO segment for an
2883         incremental update.
2884         * output.h (Output_data::current_data_size): Move here from
2885         child classes.
2886         (Output_data::pre_finalize_data_size): New function.
2887         (Output_data::update_data_size): New function.
2888         (Output_section_headers::update_data_size): new function.
2889         (Output_section_data_build::current_data_size): Move to Output_data.
2890         (Output_data_strtab::update_data_size): New function.
2891         (Output_section::current_data_size): Move to Output_data.
2892         (Output_section::set_fixed_layout): New function.
2893         (Output_section::has_fixed_layout): New function.
2894         (Output_section::reserve): New function.
2895         (Output_section::update_data_size): New function.
2896         (Output_section::has_fixed_layout_): New data member.
2897         (Output_section::free_list_): New data member.
2898         (Output_segment::set_section_addresses): Remove const.
2899         (Output_segment::set_section_list_addresses): Remove const.
2900         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2901         New function.
2902         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2903         New function.
2904         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2905         parameter when calling Add_symbols constructor; store argument
2906         serial number for members of a lib group.
2907         (Add_symbols::locks): Allow case where token == NULL.
2908         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2909         (Read_member::~Read_member): New function.
2910         (Read_member::is_runnable): New function.
2911         (Read_member::locks): New function.
2912         (Read_member::run): New function.
2913         (Check_script::~Check_script): New function.
2914         (Check_script::is_runnable): New function.
2915         (Check_script::locks): New function.
2916         (Check_script::run): New function.
2917         (Check_library::~Check_library): New function.
2918         (Check_library::is_runnable): New function.
2919         (Check_library::locks): New function.
2920         (Check_library::run): New function.
2921         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2922         (Add_symbols::library_): New data member.
2923         (class Read_member): New class.
2924         (class Check_script): New class.
2925         (class Check_library): New class.
2926         * reloc.cc (Read_relocs::is_runnable): Allow case where
2927         token == NULL.
2928         (Read_relocs::locks): Likewise.
2929         (Scan_relocs::locks): Likewise.
2930         (Relocate_task::locks): Likewise.
2931         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2932         to clear counters.
2933         (Sized_relobj::incremental_relocs_scan): Fix comment.
2934         (Sized_relobj::do_relocate): Pass output file offset to
2935         write_local_symbols.
2936         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2937         from class declaration.
2938         * script.cc (read_input_script): Allocate Script_info; pass
2939         argument serial number to report_script.
2940         * script.h (class Script_info): Move to incremental.h.
2941         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2942         * symtab.h (Symbol_table::add_from_incrobj): New function.
2943         (Symbol_table::set_file_offset): New function.
2944
2945 2011-04-05  Cary Coutant  <ccoutant@google.com>
2946
2947         * incremental-dump.cc (dump_incremental_inputs): Change signature
2948         to take a Sized_incremental_binary; change caller.  Use readers
2949         in Sized_incremental_binary.
2950         * incremental.cc
2951         (Sized_incremental_binary::find_incremental_inputs_sections):
2952         Rename do_find_incremental_inputs_sections to this.
2953         (Sized_incremental_binary::setup_readers): New function.
2954         (Sized_incremental_binary::do_check_inputs): Check
2955         has_incremental_info_ flag; move setup code to setup_readers;
2956         use input readers.
2957         (Sized_incremental_binary::do_file_is_unchanged): New function.
2958         (Sized_incremental_binary::do_get_input_reader): New function.
2959         * incremental.h (class Incremental_binary): Move to end of file.
2960         (Incremental_binary::file_is_unchanged): New function.
2961         (Incremental_binary::do_file_is_unchanged): New function.
2962         (Incremental_binary::Input_reader): New class.
2963         (Incremental_binary::get_input_reader): New function.
2964         (class Sized_incremental_binary): Move to end of file.
2965         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2966         input section reader classes.
2967         (Sized_incremental_binary::has_incremental_info): New function.
2968         (Sized_incremental_binary::inputs_reader): New function.
2969         (Sized_incremental_binary::symtab_reader): New function.
2970         (Sized_incremental_binary::relocs_reader): New function.
2971         (Sized_incremental_binary::got_plt_reader): New function.
2972         (Sized_incremental_binary::do_file_is_unchanged): New function.
2973         (Sized_incremental_binary::Sized_input_reader): New class.
2974         (Sized_incremental_binary::get_input_reader): New function.
2975         (Sized_incremental_binary::find_incremental_inputs_sections):
2976         Rename do_find_incremental_inputs_sections to this.
2977         (Sized_incremental_binary::setup_readers): New function.
2978         (Sized_incremental_binary::has_incremental_info_): New data member.
2979         (Sized_incremental_binary::inputs_reader_): New data member.
2980         (Sized_incremental_binary::symtab_reader_): New data member.
2981         (Sized_incremental_binary::relocs_reader_): New data member.
2982         (Sized_incremental_binary::got_plt_reader_): New data member.
2983         (Sized_incremental_binary::current_input_file_): New data member.
2984
2985 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2986
2987         PR gold/12640
2988         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2989         violation.
2990
2991 2011-03-30  Cary Coutant  <ccoutant@google.com>
2992
2993         * archive.cc (Archive::include_member): Adjust call to report_object.
2994         (Add_archive_symbols::run): Add script_info to call to
2995         report_archive_begin.
2996         (Lib_group::include_member): Adjust call to report_object.
2997         (Add_lib_group_symbols::run): Adjust call to report_object.
2998         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2999         blocks.  Add object count for script input files.
3000         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3001         script_info parameter; change all callers.
3002         (Incremental_inputs::report_object): Add script_info parameter;
3003         change all callers.
3004         (Incremental_inputs::report_script): Store backpointer to
3005         incremental info entry.
3006         (Output_section_incremental_inputs::set_final_data_size): Record
3007         additional information for scripts.
3008         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3009         * incremental.h (Incremental_script_entry::add_object): New function.
3010         (Incremental_script_entry::get_object_count): New function.
3011         (Incremental_script_entry::get_object): New function.
3012         (Incremental_script_entry::objects_): New data member; adjust
3013         constructor.
3014         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3015         (Incremental_inputs::report_object): Add script_info parameter.
3016         (Incremental_inputs_reader::get_object_count): New function.
3017         (Incremental_inputs_reader::get_object_offset): New function.
3018         * options.cc (Input_arguments::add_file): Return reference to
3019         new input argument.
3020         * options.h (Input_argument::set_script_info): New function.
3021         (Input_argument::script_info): New function.
3022         (Input_argument::script_info_): New data member; adjust all
3023         constructors.
3024         (Input_file_group::add_file): Return reference to new input argument.
3025         (Input_file_lib::add_file): Likewise.
3026         (Input_arguments::add_file): Likewise.
3027         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3028         * script.cc (Parser_closure::Parser_closure): Add script_info
3029         parameter; adjust all callers.
3030         (Parser_closure::script_info): New function.
3031         (Parser_closure::script_info_): New data member.
3032         (read_input_script): Report scripts earlier to incremental info.
3033         (script_add_file): Set script_info in Input_argument.
3034         (script_add_library): Likewise.
3035         * script.h (Script_options::Script_info): Rewrite class.
3036
3037 2011-03-29  Cary Coutant  <ccoutant@google.com>
3038
3039         * archive.cc (Library_base::should_include_member): Move
3040         method here from class Archive.
3041         (Archive::Archive): Initialize base class.
3042         (Archive::should_include_member): Move to base class.
3043         (Archive::do_for_all_unused_symbols): New function.
3044         (Add_archive_symbols::run): Remove redundant access to
3045         incremental_inputs.
3046         (Lib_group::Lib_group): Initialize base class.
3047         (Lib_group::do_filename): New function.
3048         (Lib_group::include_member): Pass pointer to Lib_group to
3049         report_object.
3050         (Lib_group::do_for_all_unused_symbols): New function.
3051         (Add_lib_group_symbols::run): Report archive information for
3052         incremental links.
3053         * archive.h (class Library_base): New base class.
3054         (class Archive): Derive from Library_base.
3055         (Archive::filename): Move to base class.
3056         (Archive::set_incremental_info): Likewise.
3057         (Archive::incremental_info): Likewise.
3058         (Archive::Should_include): Likewise.
3059         (Archive::should_include_member): Likewise.
3060         (Archive::Armap_entry): Remove.
3061         (Archive::Unused_symbol_iterator): Remove.
3062         (Archive::unused_symbols_begin): Remove.
3063         (Archive::unused_symbols_end): Remove.
3064         (Archive::do_filename): New function.
3065         (Archive::do_get_mtime): New function.
3066         (Archive::do_for_all_unused_symbols): New function.
3067         (Archive::task_): Move to base class.
3068         (Archive::incremental_info_): Likewise.
3069         (class Lib_group): Derive from Library_base.
3070         (Lib_group::do_filename): New function.
3071         (Lib_group::do_get_mtime): New function.
3072         (Lib_group::do_for_all_unused_symbols): New function.
3073         (Lib_group::task_): Move to base class.
3074         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3075         function.
3076         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3077         function.
3078         * incremental.cc (Incremental_inputs::report_archive_begin):
3079         Use Library_base; call library's get_mtime; add incremental inputs
3080         entry before members.
3081         (class Unused_symbol_visitor): New class.
3082         (Incremental_inputs::report_archive_end): Use Library_base; use
3083         visitor class to record unused symbols; don't add incremental inputs
3084         entry after members.
3085         (Incremental_inputs::report_object): Use Library_base.
3086         * incremental.h
3087         (Incremental_archive_entry::Incremental_archive_entry): Remove
3088         unused Archive parameter.
3089         (Incremental_inputs::report_archive_begin): Use Library_base.
3090         (Incremental_inputs::report_archive_end): Likewise.
3091         (Incremental_inputs::report_object): Likewise.
3092         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3093         function.
3094         * object.h (Object::for_all_global_symbols): New function.
3095         (Object::do_for_all_global_symbols): New function.
3096         (Sized_relobj::do_for_all_global_symbols): New function.
3097         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3098         function.
3099         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3100         function.
3101
3102 2011-03-27  Ian Lance Taylor  <iant@google.com>
3103
3104         * archive.cc (Archive::interpret_header): Return -1 if something
3105         goes wrong.  Change callers accordingly.
3106
3107 2011-03-25  Cary Coutant  <ccoutant@google.com>
3108
3109         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3110         * testsuite/Makefile.in: Regenerate.
3111
3112 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3113
3114         * plugin.cc (get_view): New.
3115         (Plugin::load): Pass get_view to the plugin.
3116         (Plugin_manager::get_view): New.
3117
3118 2011-03-21  Ian Lance Taylor  <iant@google.com>
3119
3120         * testsuite/final_layout.sh: Rewrite to not use dc.
3121         * testsuite/relro_test.sh: Fail if dc is not present.
3122
3123 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3124
3125         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3126         Change == to -eq.
3127         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3128         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3129         Change == to -eq.
3130         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3131         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3132
3133 2011-03-14  Ian Lance Taylor  <iant@google.com>
3134
3135         * script-sections.cc (Sort_output_sections::script_compare):
3136         Rename from is_before, change return type.
3137         (Sort_output_sections::operator()): Adjust accordingly.
3138
3139 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3140
3141         PR gold/12572
3142         * testsuite/odr_violation2.cc: Add comment to make all error line
3143         numbers double digits.
3144         * testsuite/debug_msg.sh: Adjust expected errors.
3145
3146 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3147
3148         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3149         but mark earlier ones as non-canonical
3150         (offset_to_iterator): Update search target and example
3151         (do_addr2line): Return extra lines in a vector*
3152         (format_file_lineno): Extract from do_addr2line
3153         (one_addr2line): Add vector* out-param
3154         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3155         when a lineno entry appeared last for its instruction
3156         (Dwarf_line_info): Add vector* out-param
3157         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3158         * symtab.cc (Odr_violation_compare): Include the lineno in the
3159         comparison again.
3160         (linenos_from_loc): New. Combine the canonical line for an
3161         address with its other lines.
3162         (True_if_intersect): New. Helper functor to make
3163         std::set_intersection a query.
3164         (detect_odr_violations): Compare sets of lines instead of just
3165         one line for each function. This became less deterministic, but
3166         has fewer false positives.
3167         * symtab.h: Declarations.
3168         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3169         mix an optimized and non-optimized object in the same binary
3170         (odr_violation2.so): Same.
3171         * testsuite/Makefile.in: Regenerate from Makefile.am.
3172         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3173         * testsuite/debug_msg.sh: Update line numbers and add
3174         assertions.
3175         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3176         non-optimized context.
3177         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3178         isn't inlined, and use OdrDerived in an optimized context.
3179         * testsuite/odr_header1.h: Defines OdrDerived, where
3180         optimization will change the
3181         first-instruction-in-the-destructor's file and line number.
3182         * testsuite/odr_header2.h: Defines OdrBase.
3183
3184 2011-03-09  Ian Lance Taylor  <iant@google.com>
3185
3186         * fileread.cc (File_read::clear_views): Don't delete the whole
3187         file view.
3188
3189 2011-03-08  Ian Lance Taylor  <iant@google.com>
3190
3191         PR gold/12525
3192         * fileread.cc: #include <climits>.
3193         (GOLD_IOV_MAX): Define.
3194         (File_read::read_multiple): Limit number of entries by iov_max.
3195         * fileread.h (class File_read): Always set max_readv_entries to
3196         128.
3197
3198 2011-03-07  Ian Lance Taylor  <iant@google.com>
3199
3200         PR gold/12525
3201         * options.h (class General_options): Add -dy and -dn.
3202
3203 2011-03-02  Cary Coutant  <ccoutant@google.com>
3204
3205         * testsuite/script_test_9.t: Add TLS segment.
3206
3207 2011-03-02  Simon Baldwin  <simonb@google.com>
3208
3209         * configure.ac: Add check for gnu_indirect_function support in
3210         the toolchain building binutils.
3211         * configure: Rebuild.
3212
3213 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3214
3215         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3216         plugin only symbols.
3217         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3218         in plugin files as not needed in the symbol table.
3219
3220 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3221
3222         * output.cc (Output_section::add_input_section): Delay fill
3223         generation for section ordering.
3224
3225 2011-02-09  Ian Lance Taylor  <iant@google.com>
3226
3227         PR gold/12316
3228         * object.h (class Sized_relobj): Remove clear_local_symbols.
3229         * reloc.cc (Sized_relobj::do_relocate): Don't call
3230         clear_local_symbols.
3231
3232 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3233
3234         * plugin.cc (is_visible_from_outside): Return true for symbols
3235         in the -u option.
3236
3237 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3238
3239         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3240         filename.
3241
3242 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3243
3244         * icf.h (is_section_foldable_candidate): Change type of parameter
3245         to std::string.
3246         * icf.cc (Icf::find_identical_sections): Change type of local variable
3247         section_name to be std::string.
3248         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3249
3250 2011-01-25  Ian Lance Taylor  <iant@google.com>
3251
3252         * script.cc (script_add_extern): Rewrite to use
3253         add_symbol_reference.
3254
3255 2011-01-25  Doug Kwan  <dougkwan@google.com>
3256
3257         * icf.cc (get_section_contents): Always lock section's object.
3258
3259 2011-01-24  Ian Lance Taylor  <iant@google.com>
3260
3261         * options.h (class General_options): Accept
3262         --no-detect-odr-violations.
3263
3264 2011-01-24  Ian Lance Taylor  <iant@google.com>
3265
3266         * version.cc (version_string): Bump to 1.11.
3267
3268 2011-01-24  Ian Lance Taylor  <iant@google.com>
3269
3270         * plugin.cc (class Plugin_rescan): Define new class.
3271         (Plugin_manager::claim_file): Set any_claimed_.
3272         (Plugin_manager::save_archive): New function.
3273         (Plugin_manager::save_input_group): New function.
3274         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3275         necessary.
3276         (Plugin_manager::new_undefined_symbol): New function.
3277         (Plugin_manager::rescan): New function.
3278         (Plugin_manager::rescannable_defines): New function.
3279         (Plugin_manager::add_input_file): Set any_added_.
3280         * plugin.h (class Plugin_manager): define new fields rescannable_,
3281         undefined_symbols_, any_claimed_, and any_added_.  Declare
3282         Plugin_rescan as friend.  Declare new functions.
3283         (Plugin_manager::Rescannable): Define type.
3284         (Plugin_manager::Rescannable_list): Define type.
3285         (Plugin_manager::Undefined_symbol_list): Define type.
3286         (Plugin_manager::Plugin_manager): Initialize new fields.
3287         * archive.cc (Archive::defines_symbol): New function.
3288         (Add_archive_symbols::run): Pass archive to plugins if any.
3289         * archive.h (class Archive): Declare defines_symbol.
3290         * readsyms.cc (Input_group::~Input_group): New function.
3291         (Finish_group::run): Pass input_group to plugins if any.
3292         * readsyms.h (class Input_group): Declare destructor.
3293         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3294         any.
3295
3296 2011-01-10  Ian Lance Taylor  <iant@google.com>
3297
3298         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3299         section as relro.
3300         (Layout::set_segment_offsets): Reset increase_relro before calling
3301         set_section_addresses a second time.
3302
3303 2011-01-04  Cary Coutant  <ccoutant@google.com>
3304
3305         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3306         sections before NOBITS sections.
3307
3308 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3309
3310         * version.cc (print_version): Update copyright to 2011.
3311
3312 2010-12-23  Cary Coutant  <ccoutant@google.com>
3313
3314         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3315         of OS to this->add.  Add OD parameter to second form of the function.
3316
3317 2010-12-20  Ian Lance Taylor  <iant@google.com>
3318
3319         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3320         second of two consecutive entries with same offset.
3321
3322 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3323
3324         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3325         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3326         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3327         to avoid unneeded links against $(LDADD).
3328         * testsuite/Makefile.in: Regenerate.
3329
3330 2010-12-15  Ian Lance Taylor  <iant@google.com>
3331
3332         PR gold/12324
3333         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3334         for R_X86_64_32 and R_X86_64_PC32.
3335         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3336         ver_matching_def_pic.o.
3337         (ver_matching_def_pic.o): New target.
3338
3339 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3340
3341         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3342         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3343         Move definition before File_read::View member definitions.
3344         (File_read::View::~View): Initialize and hold lock before
3345         updating current_mapped_bytes.
3346
3347 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3348
3349         * dwarf_reader.cc: Remove outdated comment.
3350         * gold-threads.cc: Fix typo in error message.
3351         * archive.cc: Fix typos in comments.
3352         * archive.h: Likewise.
3353         * arm-reloc-property.cc: Likewise.
3354         * arm-reloc-property.h: Likewise.
3355         * arm-reloc.def: Likewise.
3356         * arm.cc: Likewise.
3357         * attributes.h: Likewise.
3358         * cref.cc: Likewise.
3359         * ehframe.cc: Likewise.
3360         * fileread.h: Likewise.
3361         * gold.h: Likewise.
3362         * i386.cc: Likewise.
3363         * icf.cc: Likewise.
3364         * incremental.h: Likewise.
3365         * int_encoding.cc: Likewise.
3366         * layout.h: Likewise.
3367         * main.cc: Likewise.
3368         * merge.h: Likewise.
3369         * object.cc: Likewise.
3370         * object.h: Likewise.
3371         * options.cc: Likewise.
3372         * readsyms.cc: Likewise.
3373         * reduced_debug_output.cc: Likewise.
3374         * reloc.cc: Likewise.
3375         * script-sections.cc: Likewise.
3376         * sparc.cc: Likewise.
3377         * symtab.h: Likewise.
3378         * target-reloc.h: Likewise.
3379         * target.cc: Likewise.
3380         * target.h: Likewise.
3381         * timer.cc: Likewise.
3382         * timer.h: Likewise.
3383         * x86_64.cc: Likewise.
3384
3385 2010-12-09  Cary Coutant  <ccoutant@google.com>
3386
3387         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3388         stack.
3389         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3390         parameter; change all callers.
3391         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3392         * options.h (warn_execstack): New option.
3393
3394 2010-12-07  Doug Kwan  <dougkwan@google.com>
3395
3396         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3397         like function call relocations.
3398
3399 2010-12-07  Ian Lance Taylor  <iant@google.com>
3400
3401         * archive.cc (Archive::get_elf_object_for_member): Permit
3402         punconfigured to be NULL.
3403         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3404         (Archive::include_member): Pass NULL to get_elf_object_for_member
3405         if we searched for the archive and this is the first included
3406         object.
3407
3408 2010-12-01  Ian Lance Taylor  <iant@google.com>
3409
3410         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3411         track_relocs_type_ field.
3412         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3413         Set track_relocs_type_.
3414         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3415         contents when using RELA relocs.
3416         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3417         reloc_map_.
3418         * reloc.cc (Track_relocs::next_addend): New function.
3419         * reloc.h (class Track_relocs): Declare next_addend.
3420
3421 2010-12-01  Ian Lance Taylor  <iant@google.com>
3422
3423         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3424         virtual destructor.
3425
3426 2010-12-01  Ian Lance Taylor  <iant@google.com>
3427
3428         * README: Update compilers known to work and fail.
3429
3430 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3431
3432         * configure.in: For --enable-gold, handle value `default' instead of
3433         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3434         not the default.
3435         * configure: Regenerate.
3436
3437 2010-11-18  Doug Kwan  <dougkwan@google.com>
3438
3439         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3440         and right_alignment to be zero.  Store result alignment only if it is
3441         greater than existing alignment.
3442
3443 2010-11-16  Cary Coutant  <ccoutant@google.com>
3444
3445         PR gold/12220
3446         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3447         Check for ".zdebug_line".
3448
3449 2010-11-16  Doug Kwan  <dougkwan@google.com>
3450             Cary Coutant  <ccoutant@google.com>
3451
3452         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3453         by reference; adjust all callers.
3454         * output.cc (Output_segment::set_section_addresses): Adjust references
3455         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3456         list is empty.
3457         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3458         end at page boundary.
3459
3460 2010-11-16  Cary Coutant  <ccoutant@google.com>
3461
3462         PR gold/12220
3463         * layout.cc (Layout::choose_output_section): Transform names of
3464         compressed sections even when using a script with a SECTIONS clause.
3465         (Layout::output_section_name): Remove code to transform
3466         compressed debug section names.
3467         * output.cc (Output_section::add_input_section): Use uncompressed
3468         section size when tracking input sections.
3469
3470 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3471
3472         * symtab.h (Symbol::NON_PIC_REF): Remove.
3473         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3474         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3475         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3476         (Symbol::use_plt_offset): Take a flags argument and pass it
3477         directly to needs_dynamic_reloc.  Restrict check for undefined
3478         weak symbols to function calls.
3479         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3480         (Target_arm::Scan::global): Use it.
3481         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3482         (Target_arm::Relocate::relocate): Likewise.
3483         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3484         parameter with an r_type parameter.  Use get_reference_flags
3485         to get the flags.
3486         (Target_arm::Relocate::relocate): Update accordingly.
3487         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3488         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3489         (Target_i386::Scan::global): Likewise.
3490         (Target_i386::Relocate::relocate): Likewise.
3491         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3492         parameter with an r_type parameter.  Use get_reference_flags
3493         to get the flags.
3494         (Target_i386::Relocate::relocate): Update accordingly.
3495         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3496         (Target_powerpc::Scan::global): Use it.
3497         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3498         (Target_powerpc::Relocate::relocate): Likewise.
3499         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3500         (Target_sparc::Scan::global): Use it.
3501         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3502         (Target_sparc::Relocate::relocate): Likewise.
3503         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3504         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3505         (Target_x86_64::Scan::global): Likewise.
3506         (Target_x86_64::Relocate::relocate): Likewise.
3507
3508 2010-11-08  Doug Kwan  <dougkwan@google.com>
3509             Cary Coutant  <ccoutant@google.com>
3510
3511         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3512         (Arm_exidx_merge_section::section_contents_): New data member.
3513         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3514         (Arm_input_section::~Arm_input_section): De-allocate memory.
3515         (Arm_input_section::original_contents_): New data member.
3516         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3517         in parameters instead of calling Object::section_contents without
3518         locking.
3519         (Arm_output_section::group_section): New parameter TASK.  Pass it
3520         to callees that need locking objects.
3521         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3522         to lock EXIDX input sections.  Fix a formatting issue.  Call
3523         Arm_exidx_merged_section::build_contents to create merged section
3524         contents.
3525         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3526         to lock object of stub table owner.
3527         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3528         TEXT_SIZE to initialize data member TEXT_SIZE_.
3529         (Arm_exidx_input_section::addralign): Fix typo in comment.
3530         (Arm_exidx_input_section::text_size): New method.
3531         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3532         that require locking objects.  Lock objects before scanning for stubs
3533         and updating local symbols.
3534         (Arm_input_section<big_endian>::init): Copy contents of original
3535         input section.
3536         (Arm_input_section<big_endian>::do_write): Use saved contents of
3537         original input section instead of calling Object::section_contents
3538         without locking.
3539         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3540         size without calling Object::section_size().
3541         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3542         for size.  Allocate a buffer for merged EXIDX entries.
3543         (Arm_exidx_merged_section::build_contents): New method.
3544         (Arm_exidx_merged_section::do_write): Move merge section contents
3545         building code to Arm_exidx_merged_section::build_contetns.  Write
3546         out contetns in buffer instead of building it on the fly.
3547         (Arm_relobj::make_exidx_input_section): Also pass text section size
3548         to Arm_exidx_input_section constructor.
3549         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3550         (Arm_dynobj::do_read_symbols): Fix memory leak.
3551         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3552         * target.h: (class Task): Add forward declaration.
3553         (Target::relax): Add new parameter TASK and pass it to
3554         Target::do_relax().
3555         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3556
3557 2010-11-05  Cary Coutant  <ccoutant@google.com>
3558
3559         PR gold/10708
3560         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3561         object when reading from the file.
3562         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3563         second layout pass.
3564         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3565         when reading section contents.
3566         (get_section_contents): Likewise.
3567         (icf::find_identical_sections): Likewise.
3568         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3569         object when reading from the file.
3570         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3571         the object when doing deferred section layout.
3572
3573 2010-11-03  Nick Clifton  <nickc@redhat.com>
3574
3575         PR gold/12001
3576         * script.h (class Symbol_assignment: name): New member.  Returns
3577         the name of the symbol.
3578         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3579         Returns true if the given symbol name is on the list of
3580         assignments wating to be processed.
3581         * archive.cc (should_incldue_member): If the symbol is undefined,
3582         check to see if it is on the list of symbols pending assignment.
3583
3584 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3585
3586         * script-sections.cc (Script_sections::find_memory_region): Check
3587         for a NULL output section pointer.
3588
3589 2010-10-29  Doug Kwan  <dougkwan@google.com>
3590
3591         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3592         Output_section::add_relaxed_input_section.
3593         * output.cc (Output_section::add_relaxed_input_section): Add new
3594         arguments LAYOUT and NAME.  Set section order index.
3595         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3596         Copy section order index.
3597         * output.h (Output_section::add_relaxed_input_section): Add new
3598         arguments LAYOUT and NAME.
3599
3600 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3601
3602         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3603         NATIVE_OR_CROSS_LINKER.
3604         * testsuite/Makefile.in: Regenerate.
3605
3606 2010-10-20  Doug Kwan  <dougkwan@google.com>
3607
3608         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3609         without SHF_LINK_ORDER flags.
3610         * layout.cc (Layout::choose_output_section): Do not filter
3611         SHF_LINK_ORDER flag in a relocatable link.
3612
3613 2010-10-17  Cary Coutant  <ccoutant@google.com>
3614
3615         * output.h (Output_segment::set_section_addresses): Change function
3616         signature.  Update all callers.
3617         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3618         sections.
3619         (Output_segment::set_section_addresses): Align after last TLS
3620         section.  Add padding before last relro section instead of after.
3621
3622 2010-10-17  Doug Kwan  <dougkwan@google.com>
3623
3624         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3625         GOT output section to be writable.
3626
3627 2010-10-14  Cary Coutant  <ccoutant@google.com>
3628
3629         * debug.h (DEBUG_INCREMENTAL): New flag.
3630         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3631         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3632         mode.
3633         * incremental.cc (report_command_line): Ignore all forms of
3634         --incremental.
3635         * layout.cc (Layout::Layout): Check parameters for incremental link
3636         mode.
3637         * options.cc (General_options::parse_incremental): New function.
3638         (General_options::parse_no_incremental): New function.
3639         (General_options::parse_incremental_full): New function.
3640         (General_options::parse_incremental_update): New function.
3641         (General_options::incremental_mode_): New data member.
3642         (General_options::finalize): Check incremental_mode_.
3643         * options.h (General_options): Update help text for --incremental.
3644         Add --no-incremental, --incremental-full, --incremental-update.
3645         (General_options::Incremental_mode): New enum type.
3646         (General_options::incremental_mode): New function.
3647         (General_options::incremental_mode_): New data member.
3648         * parameters.cc (Parameters::incremental_mode_): New data member.
3649         (Parameters::set_options): Set incremental_mode_.
3650         (Parameters::set_incremental_full): New function.
3651         (Parameters::incremental): New function.
3652         (Parameters::incremental_update): New function.
3653         (set_parameters_incremental_full): New function.
3654         * parameters.h (Parameters::set_incremental_full): New function.
3655         (Parameters::incremental): New function.
3656         (Parameters::incremental_update): New function.
3657         (Parameters::incremental_mode_): New data member.
3658         (set_parameters_incremental_full): New function.
3659         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3660         incremental link mode.
3661         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3662         (Sized_relobj::do_relocate_sections): Likewise.
3663         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3664         option.
3665         * testsuite/Makefile.in: Regenerate.
3666         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3667
3668 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3669
3670         * script-sections.h (class Script_sections): Make
3671         Sections_elements typedef public.
3672         * script-sections.cc (class Sort_output_sections): Add elements_
3673         field.  Add constructor which sets it; change all callers.
3674         (Sort_output_sections::is_before): New function.
3675         (Sort_output_sections::operator()): Call is_before.
3676         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3677         conditional.
3678         * testsuite/script_test_10.sh: New test. Test script section
3679         order.
3680         * testsuite/script_test_10.t: Likewise.
3681         * testsuite/script_test_10.s: Likewise.
3682         * testsuite/Makefile.am: Wrap the cross linker tests and the
3683         common tests into NATIVE_OR_CROSS_LINKER.
3684         (check_SCRIPTS): Add script_test_10.sh.
3685         (check_DATA): Add script_test_10.stdout.
3686         (script_test_10.o, script_test_10): New targets.
3687         (script_test_10.stdout): New target.
3688         * configure, testsuite/Makefile.in: Regenerate.
3689
3690 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3691
3692         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3693         error for the deprecated relocations.
3694         (Target_arm::Scan::global): Likewise.
3695         (Target_arm::Relocate::relocate): Likewise.
3696
3697 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3698
3699         * fileread.cc (Input_file::find_file): Initialize *found_name
3700         and *namep when using the fallback search for case 4.
3701
3702 2010-10-11  Cary Coutant  <ccoutant@google.com>
3703
3704         * options.h (class General_options): Redefine -z lazy as an alias for
3705         the negation of -z now.
3706
3707 2010-10-11  Ian Lance Taylor  <iant@google.com>
3708
3709         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3710         binding.
3711
3712 2010-10-06  Nick Clifton  <nickc@redhat.com>
3713
3714         * script-sections.cc(class Memory_region): Remove
3715         current_lma_offset_ field.  Rename current_vma_offset_ to
3716         current_offset_.  Add last_section_ field.
3717         (Memory_region::get_current_vma_address): Rename to
3718         get_current_address.
3719         (Memory_region::get_current_lma_address): Delete.
3720         (Memory_region::increment_vma_offset): Rename to
3721         increment_offset.
3722         (Memory_region::increment_lma_offset): Delete.
3723         (Memory_region::attributes_compatible): New method.  Returns
3724         true if the provided section is compatible with the region.
3725         (Memory_region::get_last_section): New method.  Returns the last
3726         section to use the region.
3727         (Memory_region::set_last_section): New method.  Stores the last
3728         section to use the region.
3729         (Script_sections::block_in_region): New method.  Returns true if
3730         a block of memory is contained within a region.
3731         (Script_sections::find_memory_region): New method.  Locates a
3732         memory region to be used to set a VMA or LMA address.
3733         (Output_section_definition::set_section_addresses): Add code to
3734         check for addresses set by memory regions.
3735         (Output_segment::set_section_addresses): Remove memory region
3736         walking code.
3737         (Script_sections::create_segment): Add a warning if a header
3738         segment is created outside of any region.
3739         * script-sections.h (class Script_sections): Add prototypes for
3740         find_memory_region and block_in_region methods.
3741         * testsuite/memory_test.s: Use .long instead of .word.
3742         * testsuite/memory_test.t: Add some more output sections.
3743         * testsuite/memory_test.sh: Update expected output.
3744
3745 2010-10-02  Doug Kwan  <dougkwan@google.com>
3746
3747         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3748         defintion to symtab.h
3749         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3750         declaration to defintion.
3751
3752 2010-10-01  Nick Clifton  <nickc@redhat.com>
3753
3754         * expression.cc (eval): Replace dummy argument with NULL.
3755         (eval_maybe_dot): Check for a NULL result section pointer.
3756         (Symbol_expression::value): Likewise.
3757         (Dot_expression::value): Likewise.
3758         (BINARY_EXPRESSION): Likewise.
3759         (Max_expression::value): Likewise.
3760         (Min_expression::value): Likewise.
3761         (Absolute_expression::value): Likewise.
3762         (Addr_expression::value_from_output_section): Likewise.
3763         (Loaddddr_expression::value_from_output_section): Likewise.
3764         (Segment_start_expression::value): Likewise.
3765         * script-sections.cc
3766         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3767         argument with NULL.
3768         (Sections_elememt_dot_assignment::set_section_addresses):
3769         Likewise.
3770         (Output_data_expression::do_write_to_buffer): Likewise.
3771         (Output_section_definition::finalize_symbols): Likewise.
3772         (Output_section_definition::set_section_addresses): Likewise.
3773
3774 2010-09-30  Doug Kwan  <dougkwan@google.com>
3775
3776         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3777
3778 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3779
3780         * target.h (Target::can_icf_inline_merge_sections): New virtual
3781         function.
3782         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3783         virtual function.
3784         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3785         virtual function.
3786         * icf.cc (get_section_contents): Inline merge sections only when
3787         target allows it.
3788
3789 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3790
3791         * configure: Regenerate.
3792
3793 2010-09-17  Ian Lance Taylor  <iant@google.com>
3794
3795         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3796         * testsuite/Makefile.am (memory_test.o): New target.
3797         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3798         memory_test.t.
3799         * testsuite/Makefile.in: Rebuild.
3800
3801 2010-09-17  Doug Kwan  <dougkwan@google.com>
3802
3803         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3804         defintion if relocation uses GOT entries of the symbol.
3805         * testsuite/icf_safe_test.sh: Fix test.
3806         * testsuite/icf_safe_so_test.sh: Fix test.
3807
3808 2010-09-16  Cary Coutant  <ccoutant@google.com>
3809
3810         * script_sections.cc (class Memory_region): Remove "NULL" from
3811         vector initializations.
3812
3813 2010-09-15  Cary Coutant  <ccoutant@google.com>
3814
3815         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3816         Resolve forwarding symbols.
3817
3818 2010-09-15  Doug Kwan  <dougkwan@google.com>
3819
3820         * gold/testsuite/script_test_3.t: Add ARM special sections.
3821         * gold/testsuite/script_test_4.t: Same.
3822         * gold/testsuite/script_test_5.t: Same.
3823         * gold/testsuite/script_test_6.t: Same.
3824         * gold/testsuite/script_test_7.t: Same.
3825         * gold/testsuite/script_test_7.t: Same.
3826         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3827
3828 2010-09-14  Cary Coutant  <ccoutant@google.com>
3829
3830         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3831         (Target_x86_64::Relocate::relocate_tls): Replace check for
3832         saw_tls_block_reloc_ with test for executable section.
3833
3834 2010-09-12  Cary Coutant  <ccoutant@google.com>
3835
3836         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3837         position-independent executables to shared libraries need dynamic
3838         relocations.
3839         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3840         position-independent executables.
3841         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3842         * testsuite/Makefile.in: Regenerate.
3843
3844 2010-09-10  Nick Clifton  <nickc@redhat.com>
3845
3846         PR gold/11997
3847         * testsuite/memory_test.t: Discard any sections that are not
3848         needed.
3849
3850 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3851
3852         PR gold/11996
3853         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3854         "This::" to work around a bug in gcc 4.2.
3855
3856         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3857
3858 2010-09-09  Rafael Espindola  <espindola@google.com>
3859
3860         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3861         sections with different PF_X flags in the same segment.
3862         (Layout::find_first_load_seg): Search all segments to find the first
3863         one.
3864         * options.h (rosegment): New.
3865
3866 2010-09-08  Rafael Espindola  <espindola@google.com>
3867
3868         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3869
3870 2010-09-08  Doug Kwan  <dougkwan@google.com>
3871
3872         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3873         (Arm_relobj::do_relocate_sections): Add new parameter for output
3874         file to match the parent.
3875         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3876         of local symbols instead of input values.  Update code to track
3877         changes in gold::relocate_section.
3878         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3879         (Sized_relobj::compute_final_local_value_internal): New methods.
3880         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3881         body into private version of Sized_relobj::compute_final_local_value.
3882         Call the inline method.
3883         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3884         merged symbol value if there is one.
3885         (Symbol_value::has_output_value): New method defintiion.
3886         (Sized_relobj::Compute_final_local_value_status): New enum type.
3887         (Sized_relobj::compute_final_local_value): New methods.
3888         (Sized_relobj::compute_final_local_value_internal): New methods.
3889         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3890         and arm_cortex_a8.sh.
3891         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3892         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3893         New tests.
3894         * Makefile.in: Regenerate.
3895         * testsuite/arm_bl_out_of_range.s: Update test.
3896         * testsuite/thumb_bl_out_of_range.s: Ditto.
3897         * testsuite/thumb_blx_out_of_range.s: Ditto.
3898         * testsuite/arm_branch_out_of_range.sh: New file.
3899         * testsuite/arm_cortex_a8.sh: Ditto.
3900         * testsuite/arm_cortex_a8_b.s: Ditto.
3901         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3902         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3903         * testsuite/arm_cortex_a8_bl.s: Ditto.
3904         * testsuite/arm_cortex_a8_blx.s: Ditto.
3905         * testsuite/arm_cortex_a8_local.s: Ditto.
3906         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3907         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3908
3909 2010-09-08  Rafael Espindola  <espindola@google.com>
3910
3911         * Makefile.am (memory_test.stdout): Run readelf with -W.
3912         * Makefile.in: Regenerate.
3913         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3914         64 bit output.
3915
3916 2010-09-08  Rafael Espindola  <espindola@google.com>
3917
3918         * script-sections.cc (Script_sections::add_memory_region): Convert
3919         field precision to int.
3920         * script.cc (script_set_section_region, script_set_section_region):
3921         Convert field precision to int.
3922
3923 2010-09-08  Rafael Espindola  <espindola@google.com>
3924
3925         * arm.cc (do_finalize_sections): Create the __exidx_start and
3926         __exdix_end symbols even when the section is missing.
3927
3928 2010-09-08  Nick Clifton  <nickc@redhat.com>
3929
3930         * README: Remove claim that MEMORY is not supported.
3931         * expression.cc (script_exp_function_origin)
3932         (script_exp_function_length): Move from here to ...
3933         * script.cc: ... here.
3934         (script_set_section_region, script_add_memory)
3935         (script_parse_memory_attr, script_include_directive): New
3936         functions.
3937         * script-sections.cc
3938         (class Memory_region): New class.
3939         (class Output_section_definition): Add set_memory_region,
3940         set_section_vma, set_section_lma and get_section_name methods.
3941         (class Script_Sections): Add add_memory_region,
3942         find_memory_region, find_memory_region_origin,
3943         find_memory_region_length and set_memory_region methods.
3944         Have set_section_addresses method walk the list of set memory
3945         regions.
3946         Extend the print methos to display memory regions.
3947         * script-sections.h: Add prototypes for new methods.
3948         Add enum for MEMORY region attributes.
3949         * yyscript.y: Add support for parsing MEMORY regions.
3950         * script-c.h: Add prototypes for new functions.
3951         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3952         * testsuite/Makefile.in: Regenerate.
3953         * testsuite/memory_test.sh: New script.
3954         * testsuite/memory_test.s: New assembler source file.
3955         * testsuite/memory_test.t: New linker script.
3956
3957 2010-08-27  Doug Kwan  <dougkwan@google.com>
3958
3959         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3960         reference override an existing dynamic weak reference.
3961         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3962         * testsuite/Makefile.in: Regenerate.
3963         * testsuite/dyn_weak_ref.sh: New file.
3964         * testsuite/dyn_weak_ref_1.c: Ditto.
3965         * testsuite/dyn_weak_ref_2.c: Ditto.
3966
3967 2010-08-27  Ian Lance Taylor  <iant@google.com>
3968
3969         * incremental.h (class Incremental_input_entry): Add virtual
3970         destructor.
3971
3972 2010-08-27  Ian Lance Taylor  <iant@google.com>
3973
3974         * testsuite/start_lib_test_3.c: Mark t3 as used.
3975
3976 2010-08-27  Nick Clifton  <nickc@redhat.com>
3977
3978         * options.cc (version_script): Fix small typo in previous
3979         whitespace tidyup.
3980
3981 2010-08-25  Nick Clifton  <nickc@redhat.com>
3982
3983         * archive.cc: Formatting fixes: Remove whitespace between
3984         typename and following asterisk.  Remove whitespace between
3985         function name and opening parenthesis.
3986         * archive.h: Likewise.
3987         * arm.cc: Likewise.
3988         * attributes.cc: Likewise.
3989         * attributes.h: Likewise.
3990         * common.cc: Likewise.
3991         * copy-relocs.cc: Likewise.
3992         * dirsearch.h: Likewise.
3993         * dynobj.cc: Likewise.
3994         * ehframe.cc: Likewise.
3995         * ehframe.h: Likewise.
3996         * expression.cc: Likewise.
3997         * fileread.cc: Likewise.
3998         * fileread.h: Likewise.
3999         * gc.h: Likewise.
4000         * gold-threads.cc: Likewise.
4001         * gold.cc: Likewise.
4002         * i386.cc: Likewise.
4003         * icf.h: Likewise.
4004         * incremental-dump.cc: Likewise.
4005         * incremental.cc: Likewise.
4006         * layout.cc: Likewise.
4007         * layout.h: Likewise.
4008         * main.cc: Likewise.
4009         * merge.cc: Likewise.
4010         * merge.h: Likewise.
4011         * object.cc: Likewise.
4012         * object.h: Likewise.
4013         * options.cc: Likewise.
4014         * options.h: Likewise.
4015         * output.cc: Likewise.
4016         * output.h: Likewise.
4017         * plugin.cc: Likewise.
4018         * plugin.h: Likewise.
4019         * powerpc.cc: Likewise.
4020         * reloc.cc: Likewise.
4021         * script-c.h: Likewise.
4022         * script-sections.cc: Likewise.
4023         * script.cc: Likewise.
4024         * stringpool.cc: Likewise.
4025         * symtab.cc: Likewise.
4026         * symtab.h: Likewise.
4027         * target.cc: Likewise.
4028         * timer.cc: Likewise.
4029         * timer.h: Likewise.
4030         * version.cc: Likewise.
4031         * x86_64.cc: Likewise.
4032
4033 2010-08-24  Nick Clifton  <nickc@redhat.com>
4034
4035         PR 11899
4036         * layout.cc (segment_precedes): Sort segments by their physical
4037         addresses, if they have been set.
4038
4039 2010-08-23  Cary Coutant  <ccoutant@google.com>
4040
4041         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4042         symbols data.
4043         (Lib_group::include_member): Unlock object after deleting its
4044         symbols data.
4045         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4046         the bug fixed here.
4047
4048 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4049             Cary Coutant  <ccoutant@google.com>
4050
4051         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4052         constructor, and set_blocker.
4053         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4054         readsyms_blocker_.
4055         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4056         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4057         * testsuite/Makefile.am (start_lib_test): New test case.
4058         * testsuite/Makefile.in: Regenerate.
4059         * testsuite/start_lib_test_main.c: New file.
4060         * testsuite/start_lib_test_1.c: New file.
4061         * testsuite/start_lib_test_2.c: New file.
4062         * testsuite/start_lib_test_3.c: New file.
4063
4064 2010-08-19  Ian Lance Taylor  <iant@google.com>
4065
4066         * Makefile.in: Rebuild with automake 1.11.1.
4067         * aclocal.m4: Likewise.
4068         * testsuite/Makefile.in: Likewise.
4069
4070 2010-08-19  Ian Lance Taylor  <iant@google.com>
4071
4072         PR 10893
4073         * i386.cc (class Output_data_plt_i386): Update declarations.
4074         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4075         local_ifuncs_ fields.
4076         (Target_i386::do_plt_section_for_global): New function.
4077         (Target_i386::do_plt_section_for_local): New function.
4078         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4079         parameter; change all callers.  Initialize global_ifuncs_ and
4080         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4081         __rel_iplt_end.
4082         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4083         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4084         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4085         symbols.
4086         (Target_i386::make_plt_section): New function, broken out of
4087         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4088         (Target_i386::make_plt_entry): Call make_plt_section.
4089         (Target_i386::make_local_ifunc_plt_entry): New function.
4090         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4091         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4092         R_386_IRELATIVE to switch.
4093         (Target_i386::Scan::global): Likewise.
4094         (Target_i386::Relocate::relocate): Likewise.
4095         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4096         switch.
4097         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4098         (Target_x86_64::do_plt_section_for_global): New function.
4099         (Target_x86_64::do_plt_section_for_local): New function.
4100         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4101         parameter; change all callers.  If doing a static link define
4102         __rela_iplt_start and __rela_iplt_end.
4103         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4104         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4105         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4106         to point to .plt.
4107         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4108         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4109         switch.
4110         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4111         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4112         R_X86_64_IRELATIVE to switch.
4113         (Target_x86_64::Scan::global): Likewise.
4114         (Target_x86_64::Relocate::relocate): Likewise.
4115         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4116         switch.
4117         * target.h (class Target): Add plt_section_for_global and
4118         plt_section_for_local functions.  Add do_plt_section_for_global
4119         and do_plt_section_for_local virtual functions.
4120         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4121         clarifying comments.
4122         (Symbol::use_plt_offset): Handle IFUNC symbol.
4123         * object.cc (Sized_relobj::Sized_relobj): Initialize
4124         local_plt_offsets_.
4125         (Sized_relobj::local_has_plt_offset): New function.
4126         (Sized_relobj::local_plt_offset): New function.
4127         (Sized_relobj::set_local_plt_offset): New function.
4128         (Sized_relobj::do_count): Handle IFUNC symbol.
4129         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4130         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4131         is_ifunc_symbol functions.
4132         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4133         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4134         local_plt_offsets_ field.
4135         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4136         * output.h (class Output_section_data): Add non-const
4137         output_section function.
4138         (class Output_data_got): Update declarations.
4139         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4140         Add use_plt_offset parameter to global and local constructors.
4141         Change all callers.  Change local_sym_index_ field to 31 bits.
4142         Change GSYM_CODE and CONSTANT_CODE accordingly.
4143         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4144         doing a static link don't set sh_link field.
4145         (Output_data_got::Got_entry::write): Use PLT offset if
4146         appropriate.
4147         (Output_data_got::add_global_plt): New function.
4148         (Output_data_got::add_local_plt): New function.
4149         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4150         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4151         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4152         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4153         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4154         IFUNC conditional.
4155         * testsuite/ifunc-sel.h: New file.
4156         * testsuite/ifuncmain1.c: New file.
4157         * testsuite/ifuncmain1vis.c: New file.
4158         * testsuite/ifuncmod1.c: New file.
4159         * testsuite/ifuncdep2.c: New file.
4160         * testsuite/ifuncmain2.c: New file.
4161         * testsuite/ifuncmain3.c: New file.
4162         * testsuite/ifuncmod3.c: New file.
4163         * testsuite/ifuncmain4.c: New file.
4164         * testsuite/ifuncmain5.c: New file.
4165         * testsuite/ifuncmod5.c: New file.
4166         * testsuite/ifuncmain6pie.c: New file.
4167         * testsuite/ifuncmod6.c: New file.
4168         * testsuite/ifuncmain7.c: New file.
4169         * configure, testsuite/Makefile.in: Rebuild.
4170
4171 2010-08-18  Ian Lance Taylor  <iant@google.com>
4172
4173         * incremental.cc
4174         (Output_section_incremental_inputs::write_input_files): Add cast
4175         to avoid signed/unsigned comparison warning.
4176         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4177
4178 2010-08-12  Cary Coutant  <ccoutant@google.com>
4179
4180         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4181
4182 2010-08-13  Ian Lance Taylor  <iant@google.com>
4183
4184         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4185
4186 2010-08-12  Cary Coutant  <ccoutant@google.com>
4187             Doug Kwan  <dougkwan@google.com>
4188
4189         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4190         defintion overrides non-weak undef, remember that the original undef
4191         is not weak.
4192         * symtab.cc (Symbol_table::sized_write_global): For undef without
4193         an original weak binding, set binding to global in output.
4194         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4195         * testsuite/Makefile.in: Regenerate.
4196         * testsuite/strong_ref_weak_def.sh: New file.
4197         * testsuite/strong_ref_weak_def_1.c: Ditto.
4198         * testsuite/strong_ref_weak_def_2.c: Ditto.
4199
4200 2010-08-12  Cary Coutant  <ccoutant@google.com>
4201
4202         * testsuite/incremental_test.sh: Rewrite.
4203         * testsuite/incremental_test_1.c: Rewrite.
4204         * testsuite/incremental_test_2.c: Rewrite.
4205
4206 2010-08-12  Cary Coutant  <ccoutant@google.com>
4207
4208         * arm.cc (Target_arm::got_size): Add const.
4209         (Target_arm::got_entry_count): New function.
4210         (Target_arm::plt_entry_count): New function.
4211         (Target_arm::first_plt_entry_offset): New function.
4212         (Target_arm::plt_entry_size): New function.
4213         (Output_data_plt_arm::entry_count): New function.
4214         (Output_data_plt_arm::first_plt_entry_offset): New function.
4215         (Output_data_plt_arm::get_plt_entry_size): New function.
4216         * i386.cc (Target_i386::got_size): Add const.
4217         (Target_i386::got_entry_count): New function.
4218         (Target_i386::plt_entry_count): New function.
4219         (Target_i386::first_plt_entry_offset): New function.
4220         (Target_i386::plt_entry_size): New function.
4221         (Output_data_plt_i386::entry_count): New function.
4222         (Output_data_plt_i386::first_plt_entry_offset): New function.
4223         (Output_data_plt_i386::get_plt_entry_size): New function.
4224         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4225         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4226         * incremental.cc: Include target.h.
4227         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4228         parameter.  Adjust all callers.  Find incremental_got_plt section.
4229         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4230         section.
4231         (Output_section_incremental_inputs::set_final_data_size): Calculate
4232         size of incremental_got_plt section.
4233         (Output_section_incremental_inputs::do_write): Write the
4234         incremental_got_plt section.
4235         (Got_plt_view_info): New struct.
4236         (Local_got_offset_visitor): New class.
4237         (Global_got_offset_visitor): New class.
4238         (Global_symbol_visitor_got_plt): New class.
4239         (Output_section_incremental_inputs::write_got_plt): New function.
4240         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4241         Add parameter.  Adjust all callers.
4242         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4243         (Incremental_inputs::got_plt_section): New function.
4244         (Incremental_inputs::got_plt_section_): New data member.
4245         (Incremental_got_plt_reader): New class.
4246         * layout.cc (Layout::create_incremental_info_sections): Add the
4247         incremental_got_plt section.
4248         * object.h (Got_offset_list::get_list): New function.
4249         (Got offset_list::for_all_got_offsets): New function.
4250         (Sized_relobj::local_got_offset_list): New function.
4251         * powerpc.cc (Target_powerpc::got_size): Add const.
4252         (Target_powerpc::got_entry_count): New function.
4253         (Target_powerpc::plt_entry_count): New function.
4254         (Target_powerpc::first_plt_entry_offset): New function.
4255         (Target_powerpc::plt_entry_size): New function.
4256         (Output_data_plt_powerpc::entry_count): New function.
4257         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4258         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4259         * sparc.cc (Target_sparc::got_size): Add const.
4260         (Target_sparc::got_entry_count): New function.
4261         (Target_sparc::plt_entry_count): New function.
4262         (Target_sparc::first_plt_entry_offset): New function.
4263         (Target_sparc::plt_entry_size): New function.
4264         (Output_data_plt_sparc::entry_count): New function.
4265         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4266         (Output_data_plt_sparc::get_plt_entry_size): New function.
4267         * symtab.h (Symbol::got_offset_list): New function.
4268         (Symbol_table::for_all_symbols): New function.
4269         * target.h (Sized_target::got_entry_count): New function.
4270         (Sized_target::plt_entry_count): New function.
4271         (Sized_target::plt_entry_size): New function.
4272         * x86_64.cc (Target_x86_64::got_size): Add const.
4273         (Target_x86_64::got_entry_count): New function.
4274         (Target_x86_64::plt_entry_count): New function.
4275         (Target_x86_64::first_plt_entry_offset): New function.
4276         (Target_x86_64::plt_entry_size): New function.
4277         (Output_data_plt_x86_64::entry_count): New function.
4278         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4279         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4280
4281 2010-08-12  Cary Coutant  <ccoutant@google.com>
4282
4283         * archive.cc: Include incremental.h.
4284         (Archive::Archive): Initialize incremental_info_.
4285         (Archive::include_member): Record archive members in incremental info.
4286         (Add_archive_symbols::run): Record begin and end of an archive in
4287         incremental info.
4288         (Lib_group::include_member): Record objects in incremental info.
4289         * archive.h (Incremental_archive_entry): Forward declaration.
4290         (Archive::set_incremental_info): New member function.
4291         (Archive::incremental_info): New member function.
4292         (Archive::Unused_symbol_iterator): New class.
4293         (Archive::unused_symbols_begin): New member function.
4294         (Archive::unused_symbols_end): New member function.
4295         (Archive::incremental_info_): New data member.
4296         * incremental-dump.cc (find_input_containing_global): New function.
4297         (dump_incremental_inputs): Dump new incremental info sections.
4298         * incremental.cc: Include symtab.h.
4299         (Output_section_incremental_inputs): New class.
4300         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4301         new incremental info sections.
4302         (Sized_incremental_binary::do_check_inputs): Likewise.
4303         (Incremental_inputs::report_archive): Remove.
4304         (Incremental_inputs::report_archive_begin): New function.
4305         (Incremental_inputs::report_archive_end): New function.
4306         (Incremental_inputs::report_object): New function.
4307         (Incremental_inputs::finalize_inputs): Remove.
4308         (Incremental_inputs::report_input_section): New function.
4309         (Incremental_inputs::report_script): Rewrite.
4310         (Incremental_inputs::finalize): Do nothing but finalize string table.
4311         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4312         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4313         (Incremental_inputs::create_data_sections): New function.
4314         (Incremental_inputs::relocs_entsize): New function.
4315         (Output_section_incremental_inputs::set_final_data_size): New function.
4316         (Output_section_incremental_inputs::do_write): New function.
4317         (Output_section_incremental_inputs::write_header): New function.
4318         (Output_section_incremental_inputs::write_input_files): New function.
4319         (Output_section_incremental_inputs::write_info_blocks): New function.
4320         (Output_section_incremental_inputs::write_symtab): New function.
4321         * incremental.h (Incremental_script_entry): Forward declaration.
4322         (Incremental_object_entry): Forward declaration.
4323         (Incremental_archive_entry): Forward declaration.
4324         (Incremental_inputs): Forward declaration.
4325         (Incremental_inputs_header_data): Remove.
4326         (Incremental_inputs_header): Remove.
4327         (Incremental_inputs_header_write): Remove.
4328         (Incremental_inputs_entry_data): Remove.
4329         (Incremental_inputs_entry): Remove.
4330         (Incremental_inputs_entry_write): Remove.
4331         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4332         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4333         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4334         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4335         Likewise.
4336         (Incremental_input_entry): New class.
4337         (Incremental_script_entry): New class.
4338         (Incremental_object_entry): New class.
4339         (Incremental_archive_entry): New class.
4340         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4341         (Incremental_inputs::report_inputs): Remove.
4342         (Incremental_inputs::report_archive): Remove.
4343         (Incremental_inputs::report_archive_begin): New function.
4344         (Incremental_inputs::report_archive_end): New function.
4345         (Incremental_inputs::report_object): Change prototype.
4346         (Incremental_inputs::report_input_section): New function.
4347         (Incremental_inputs::report_script): Change prototype.
4348         (Incremental_inputs::get_reloc_count): New function.
4349         (Incremental_inputs::set_reloc_count): New function.
4350         (Incremental_inputs::create_data_sections): New function.
4351         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4352         (Incremental_inputs::inputs_section): New function.
4353         (Incremental_inputs::symtab_section): New function.
4354         (Incremental_inputs::relocs_section): New function.
4355         (Incremental_inputs::get_stringpool): Add const.
4356         (Incremental_inputs::command_line): Add const.
4357         (Incremental_inputs::inputs): Remove.
4358         (Incremental_inputs::command_line_key): New function.
4359         (Incremental_inputs::input_file_count): New function.
4360         (Incremental_inputs::input_files): New function.
4361         (Incremental_inputs::relocs_entsize): New function.
4362         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4363         (Incremental_inputs::finalize_inputs): Remove.
4364         (Incremental_inputs::Input_info): Remove.
4365         (Incremental_inputs::lock_): Remove.
4366         (Incremental_inputs::inputs_): Change type.
4367         (Incremental_inputs::inputs_map_): Remove.
4368         (Incremental_inputs::current_object_entry_): New data member.
4369         (Incremental_inputs::inputs_section_): New data member.
4370         (Incremental_inputs::symtab_section_): New data member.
4371         (Incremental_inputs::relocs_section_): New data member.
4372         (Incremental_inputs::reloc_count_): New data member.
4373         (Incremental_inputs_reader): New class.
4374         (Incremental_symtab_reader): New class.
4375         (Incremental_relocs_reader): New class.
4376         * layout.cc (Layout::finalize): Move finalization of incremental info
4377         and creation of incremental info sections to follow finalization of
4378         symbol table.  Set offsets for postprocessing sections.
4379         (Layout::create_incremental_info_sections): Call
4380         Incremental_inputs::create_data_sections.  Add incremental symtab
4381         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4382         sections to layout after input sections.
4383         * layout.h (struct Timespec): Forward declaration.
4384         (Layout::incremental_inputs): Add const.
4385         (Layout::create_incremental_info_sections): Add parameter.
4386         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4387         * object.cc: Include incremental.h.
4388         (Relobj::finalize_incremental_relocs): New function.
4389         (Sized_relobj::do_layout): Record input sections in incremental info.
4390         * object.h (Object::output_section): New function.
4391         (Object::output_section_offset): Moved from Relobj.
4392         (Object::get_incremental_reloc_base): New function.
4393         (Object::get_incremental_reloc_count): New function.
4394         (Object::do_output_section): New function.
4395         (Object::do_output_section_offset): Moved from Relobj.
4396         (Object::do_get_incremental_reloc_base): New function.
4397         (Object::do_get_incremental_reloc_count): New function.
4398         (Object::Object): Initialize new data members.
4399         (Relobj::output_section): Renamed do_output_section and moved to
4400         protected.
4401         (Relobj::output_section_offset): Moved to Object.
4402         (Relobj::do_get_incremental_reloc_base): New function.
4403         (Relobj::do_get_incremental_reloc_count): New function.
4404         (Relobj::allocate_incremental_reloc_counts): New function.
4405         (Relobj::count_incremental_reloc): New function.
4406         (Relobj::finalize_incremental_relocs): New function.
4407         (Relobj::next_incremental_reloc_index): New function.
4408         (Relobj::reloc_counts_): New data member.
4409         (Relobj::reloc_bases_): New data member.
4410         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4411         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4412         (Sized_relobj::incremental_relocs_scan): New function.
4413         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4414         (Sized_relobj::incremental_relocs_write): New function.
4415         (Sized_relobj::incremental_relocs_write_reltype): New function.
4416         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4417         incremental link.
4418         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4419         archives and object files elsewhere.
4420         (Add_symbols::run): Report object files here.
4421         (Finish_group::run): Report end of archive at end of group.
4422         * reloc.cc: Include layout.h, incremental.h.
4423         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4424         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4425         (Sized_relobj::incremental_relocs_scan): New function.
4426         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4427         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4428         (Sized_relobj::incremental_relocs_write): New function.
4429         (Sized_relobj::incremental_relocs_write_reltype): New function.
4430         * script.cc (read_input_script): Rewrite test for incremental link.
4431         Change call to Incremental_inputs::report_script.
4432         * symtab.h (Symbol_table::first_global_index): New function.
4433         (Symbol_table::output_count): New function.
4434
4435 2010-08-12  Doug Kwan  <dougkwan@google.com>
4436
4437         * arm.cc (Target_arm::merge_object_attributes): Check command line
4438         options --no-wchar-size-warning and --no-enum-size-warning.
4439         * options.h (General_options): Add ld-compatible options
4440         --no-enum-size-warning and --no-wchar-size-warning.
4441
4442 2010-08-04  Ian Lance Taylor  <iant@google.com>
4443
4444         * x86_64.cc (Target_x86_64::Scan::local): Use
4445         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4446         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4447         (Target_x86_64::Scan::global): Likewise.
4448         (Target_x86_64::Relocate::relocate): Likewise.
4449         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4450         Likewise.
4451
4452 2010-08-03  Cary Coutant  <ccoutant@google.com>
4453
4454         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4455         to reserve space in merged_strings vector. Keep total input size
4456         for stats.
4457         (Output_merge_string::do_print_merge_stats): Print total input size.
4458         * merge.h (Output_merge_string): Add input_size_ field.
4459         * stringpool.cc (Stringpool_template::string_length): Move
4460         implementations out of Stringpool_template class and place in
4461         stringpool.h.
4462         * stringpool.h (string_length): Move out of Stringpool_template.
4463
4464 2010-08-03  Ian Lance Taylor  <iant@google.com>
4465
4466         PR 11712
4467         * layout.cc (relaxation_loop_body): If address of load segment is
4468         set, adjust address to include headers if possible.
4469
4470 2010-08-03  Ian Lance Taylor  <iant@google.com>
4471
4472         * version.cc (version_string): Bump to 1.10.
4473
4474 2010-08-03  Ian Lance Taylor  <iant@google.com>
4475
4476         PR 11805
4477         * layout.h (enum Output_section_order): Define.
4478         (class Layout): Update declarations.
4479         * layout.cc (Layout::get_output_section): Add order parameter.
4480         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4481         is_first_non_relro parameters.  Change all callers.
4482         (Layout::choose_output_section): Likewise.
4483         (Layout::add_output_section_data): Likewise.
4484         (Layout::make_output_section): Likewise.  Set order.
4485         (Layout::default_section_order): New function.
4486         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4487         * output.cc (Output_section::Output_section): Initialize order_.
4488         Don't initialize deleted fields.
4489         (Output_segment::Output_segment): Don't initialize deleted
4490         fields.
4491         (Output_segment::add_output_section_to_load): New function
4492         replacing add_output_section.  Change all callers to call this or
4493         add_output_section_to_nonload.
4494         (Output_segment::add_output_section_to_nonload): New function.
4495         (Output_segment::remove_output_section): Rewrite.
4496         (Output_segment::add_initial_output_data): Likewise.
4497         (Output_segment::has_any_data_sections): Likewise.
4498         (Output_segment::is_first_section_relro): Likewise.
4499         (Output_segment::maximum_alignment): Likewise.
4500         (Output_segment::has_dynamic_reloc): New function replacing
4501         dynamic_reloc_count.  Change all callers.
4502         (Output_segment::has_dynamic_reloc_list): New function replacing
4503         dynamic_reloc_count_list.  Change all callers.
4504         (Output_segment::set_section_addresses): Rewrite.
4505         (Output_segment::set_offset): Rewrite.
4506         (Output_segment::find_first_and_last_list): Remove.
4507         (Output_segment::set_tls_offsets): Rewrite.
4508         (Output_segment::first_section_load_address): Likewise.
4509         (Output_segment::output_section_count): Likewise.
4510         (Output_segment::section_with_lowest_load_address): Likewise.
4511         (Output_segment::write_section_headers): Likewise.
4512         (Output_segment::print_sections_to_map): Likewise.
4513         * output.h (class Output_data): Remove dynamic_reloc_count_
4514         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4515         (Output_data::add_dynamic_reloc): Rewrite.
4516         (Output_data::has_dynamic_reloc): New function.
4517         (Output_data::dynamic_reloc_count): Remove.
4518         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4519         is_last_relro_, is_first_non_relro_, is_interp_,
4520         is_dynamic_linker_section_ fields.  Add order and set_order
4521         functions.  Remove is_relro_local, set_is_relro_local,
4522         is_last_relro, set_is_last_relro, is_first_non_relro,
4523         set_is_first_non_relro functions, is_interp, set_is_interp,
4524         is_dynamic_linker_section, and set_is_dynamic_linker_section
4525         functions.
4526         (class Output_segment): Change Output_data_list from std::list to
4527         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4528         output_bss_ fields.  Update declarations.
4529
4530 2010-08-02  Ian Lance Taylor  <iant@google.com>
4531
4532         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4533         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4534         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4535
4536 2010-08-02  Ian Lance Taylor  <iant@google.com>
4537
4538         PR 11855
4539         * script.cc (Script_options::Script_options): Initialize
4540         symbol_definitions_ and symbol_references_.
4541         (Script_options::add_symbol_assignment): Update
4542         symbol_definitions_ and symbol_references_.
4543         (Script_options::add_symbol_reference): New function.
4544         (script_symbol): New function.
4545         * script.h (class Script_options): Add symbol_definitions_ and
4546         symbol_references_ fields.
4547         (Script_options::referenced_const_iterator): New type.
4548         (Script_options::referenced_begin): New function.
4549         (Script_options::referenced_end): New function.
4550         (Script_options::is_referenced): New function.
4551         (Script_options::any_unreferenced): New function.
4552         * script-c.h (script_symbol): Declare.
4553         * yyscript.y (exp): Call script_symbol.
4554         * symtab.cc: Include "script.h".
4555         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4556         Change all callers.  Check symbols referenced by scripts.
4557         (Symbol_table::add_undefined_symbols_from_command_line): Add
4558         layout parameter.  Change all callers.
4559         (Symbol_table::do_add_undefined_symbols_from_command_line):
4560         Likewise.  Break out loop body.  Check symbols referenced by
4561         scripts.
4562         (Symbol_table::add_undefined_symbol_from_command_line): New
4563         function broken out of
4564         do_add_undefined_symbols_from_command_line.
4565         * symtab.h (class Symbol_table): Update declarations.
4566         * archive.cc: Include "layout.h".
4567         (Archive::should_include_member): Add layout parameter.  Change
4568         all callers.  Check for symbol mentioned in expression.
4569         * archive.h (class Archive): Update declaration.
4570         * object.cc (Sized_relobj::do_should_include_member): Add layout
4571         parameter.
4572         * object.h (Object::should_include_member): Add layout parameter.
4573         Change all callers.
4574         (Object::do_should_include_member): Add layout parameter.
4575         (class Sized_relobj): Update declaration.
4576         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4577         parameter.
4578         * dynobj.h (class Sized_dynobj): Update declaration.
4579         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4580         layout parameter.
4581         * plugin.h (class Sized_pluginobj): Update declaration.
4582
4583 2010-08-02  Ian Lance Taylor  <iant@google.com>
4584
4585         PR 11866
4586         * output.cc (Output_segment::set_offset): Search for the first and
4587         last sections rather than assuming that the list is in order.
4588         (Output_segment::find_first_and_last_list): New function.
4589         * output.h (class Output_segment): Update declarations.
4590         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4591         (relro_strip_test_SOURCES): New variable.
4592         (relro_strip_test_DEPENDENCIES): New variable.
4593         (relro_strip_test_LDFLAGS): New variable.
4594         (relro_strip_test_LDADD): New variable.
4595         (relro_strip_test.so): New target.
4596
4597 2010-08-02  Ian Lance Taylor  <iant@google.com>
4598
4599         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4600         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4601         (Target_i386::got_tlsdesc_section): New function.
4602         (Target_i386::got_section): Create space for GOT entries for
4603         TLSDESC relocations.
4604         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4605         R_386_TLS_GOTDESC.
4606         (Target_i386::Scan::global): Likewise.
4607         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4608         using TLSDESC GOT.
4609         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4610         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4611         (Target_x86_64::got_tlsdesc_section): New function.
4612         (Target_x86_64::got_section): Create space for GOT entries for
4613         TLSDESC relocations.
4614         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4615         R_386_TLS_GOTDESC.
4616         (Target_x86_64::Scan::global): Likewise.
4617         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4618         using TLSDESC GOT.
4619
4620 2010-08-02  Ian Lance Taylor  <iant@google.com>
4621
4622         * testsuite/final_layout.sh: Use dc to convert from hex to
4623         decimal.
4624
4625 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4626
4627         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4628         paramter to the call to gold::gc_process_relocs.
4629         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4630         paramter to the call to gold::gc_process_relocs.
4631         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4632         parameter to the call to gold::gc_process_relocs.
4633         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4634         template parameter to the call to gold::gc_process_relocs.
4635         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4636         paramter to the call to gold::gc_process_relocs.
4637         * gc.h (get_embedded_addend_size): New function.
4638         (gc_process_relocs): Save the size of the reloc for use by ICF.
4639         * icf.cc (get_section_contents): Get the addend from the text section
4640         for SHT_REL relocation sections.
4641         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4642         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4643         * int_encoding.h (read_from_pointer): New overloaded function.
4644         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4645         * testsuite/icf_sht_rel_addend_test.sh: New file.
4646         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4647         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4648
4649 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4650
4651         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4652         * Makefile.in: Regenerate.
4653         * testsuite/Makefile.in: Regenerate.
4654
4655 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4656
4657         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4658         * gold/testsuite/debug_msg.cc: Likewise.
4659         * gold/testsuite/odr_violation1.cc
4660         * gold/testsuite/odr_violation2.cc
4661
4662 2010-07-21  Cary Coutant  <ccoutant@google.com>
4663
4664         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4665         string, and length fields.
4666         (Output_merge_string::Merged_strings_list): New type.
4667         (Output_merge_string::Merged_strings_lists): New typedef.
4668         (Output_merge_string): Replace merged_strings_ with
4669         merged_strings_lists_.
4670         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4671         Merged_strings_list per input object and section.  Don't store pointer
4672         to the string.  Don't store length with each merged string entry.
4673         (Output_merge_string::finalize_merged_data): Loop over list of merged
4674         strings lists.  Recompute length of each merged string.
4675
4676 2010-07-15  Cary Coutant  <ccoutant@google.com>
4677
4678         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4679         here.
4680
4681 2010-07-14  Ian Lance Taylor  <iant@google.com>
4682
4683         * descriptors.cc (Descriptors::open): Report correct name in error
4684         message.
4685
4686 2010-07-13  Doug Kwan  <dougkwan@google.com>
4687
4688         * arm.cc (Arm_input_section::Arm_input_section): For a
4689         SHT_ARM_EXIDX section, always keeps the input sections.
4690         (Arm_input_section::set_exidx_section_link): New method.
4691         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4692         has_errors_ to false.
4693         (Arm_exidx_input_section::has_errors,
4694         Arm_exidx_input_section::set_has_errors): New methods.
4695         (Arm_exidx_input_section::has_errors_): New data member.
4696         (Arm_relobj::get_exidx_shndx_list): New method.
4697         (Arm_output_section::append_text_sections_to_list): Do not skip
4698         section without SHF_EXECINSTR.
4699         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4700         errors.
4701         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4702         section header.  Make error messages more verbose.  Check for
4703         a non-executable section linked to an EXIDX section.
4704         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4705         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4706         check that there is no deferred EXIDX section if we exit early.
4707         Instead of not making an EXIDX section in case of an error, make one
4708         and set the has_errors flag of it.
4709         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4710         in a relocatable link.
4711         (Target_arm::do_relax): Look for the EXIDX output section instead of
4712         assuming that it is called .ARM.exidx.
4713         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4714         section list.  Do not check for SHF_EXECINSTR section flags but
4715         skip any input section with errors.
4716         * output.cc (Output_section::Output_section): Initialize
4717         always_keeps_input_sections_ to false.
4718         (Output_section::add_input_section): Check for
4719         always_keeps_input_sections_.
4720         *  output.h (Output_section::always_keeps_input_sections,
4721         Output_section::set_always_keeps_input_sections): New methods.
4722         (Output_section::always_keeps_input_sections): New data member.
4723
4724 2010-07-13  Rafael Espindola  <espindola@google.com>
4725
4726         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4727         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4728
4729 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4730             Ian Lance Taylor  <iant@google.com>
4731
4732         * output.h (Output_section_lookup_maps::add_merge_section):
4733         Correct check of whether value was inserted.
4734         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4735         (Output_section_lookup_maps::add_relaxed_input_section):
4736         Likewise.
4737         * arm.cc (Target_arm::got_section): Remove used local os.
4738         * i386.cc (Target_i386::got_section): Likewise.
4739         * x86_64.cc (Target_x86_64::got_section): Likewise.
4740         * sparc.cc (Target_sparc::got_section): Likewise.
4741         (Target_sparc::relocate): Remove unused local have_got_offset.
4742         * powerpc.cc (Target_powerpc::relocate): Likewise.
4743
4744 2010-07-13  Ian Lance Taylor  <iant@google.com>
4745
4746         * compressed_output.cc (zlib_decompress): Fix signature in
4747         !HAVE_ZLIB_H case.
4748
4749         * archive.cc (Archive::include_member): Unlock an external member
4750         of a thin archive.  Don't bother to delete an object we know is
4751         NULL.
4752
4753 2010-07-12  Cary Coutant  <ccoutant@google.com>
4754
4755         * compressed_output.cc (zlib_decompress): New function.
4756         (get_uncompressed_size): New function.
4757         (decompress_input_section): New function.
4758         * compressed_output.h (get_uncompressed_size): New function.
4759         (decompress_input_section): New function.
4760         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4761         Handle compressed debug sections.
4762         * layout.cc (is_compressed_debug_section): New function.
4763         (Layout::output_section_name): Map compressed section names to
4764         canonical names.
4765         * layout.h (is_compressed_debug_section): New function.
4766         (is_debug_info_section): Recognize compressed debug sections.
4767         * merge.cc: Include compressed_output.h.
4768         (Output_merge_data::do_add_input_section): Handle compressed
4769         debug sections.
4770         (Output_merge_string::do_add_input_section): Handle compressed
4771         debug sections.
4772         * object.cc: Include compressed_output.h.
4773         (Sized_relobj::Sized_relobj): Initialize new data members.
4774         (build_compressed_section_map): New function.
4775         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4776         * object.h (Object::section_is_compressed): New method.
4777         (Object::do_section_is_compressed): New method.
4778         (Sized_relobj::Compressed_section_map): New type.
4779         (Sized_relobj::do_section_is_compressed): New method.
4780         (Sized_relobj::compressed_sections_): New data member.
4781         * output.cc (Output_section::add_input_section): Handle compressed
4782         debug sections.
4783         * reloc.cc: Include compressed_output.h.
4784         (Sized_relobj::write_sections): Handle compressed debug sections.
4785
4786 2010-07-08  Cary Coutant  <ccoutant@google.com>
4787
4788         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4789         weak when resolving to a dynamic def.
4790         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4791         for weak undef/dynamic def cases. Adjust callers.
4792         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4793         undef_binding_weak_.
4794         (Symbol_table::sized_write_globals): Adjust symbol binding.
4795         (Symbol_table::sized_write_symbol): Add binding parameter.
4796         * symtab.h (Symbol::set_undef_binding): New method.
4797         (Symbol::is_undef_binding_weak): New method.
4798         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4799         (Symbol_table::should_override): Add new parameter.
4800         (Symbol_table::sized_write_symbol): Add new parameter.
4801
4802         * testsuite/weak_undef_file1.cc: Add new test case.
4803         * testsuite/weak_undef_file2.cc: Fix header comment.
4804         * testsuite/weak_undef_test.cc: Add new test case.
4805
4806 2010-06-29  Doug Kwan  <dougkwan@google.com>
4807
4808         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4809         Initialize USE_SYMBOL_.
4810         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4811         definition.
4812         (Arm_reloc_property::uses_symbol_): New data member declaration.
4813         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4814         uses symbol value and symbol is undefined but not weakly undefined.
4815
4816 2010-06-28  Rafael Espindola  <espindola@google.com>
4817
4818         * plugin.cc (Plugin::load): Use dlerror.
4819
4820 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4821
4822         * symtab.cc (detect_odr_violations): When reporting an ODR
4823         violation, report an object where the symbol is defined.
4824
4825 2010-06-25  Doug Kwan  <dougkwan@google.com>
4826
4827         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4828         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4829         definition.
4830         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4831         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4832         target hook to detect function points.
4833         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4834         * icf.h (Icf::check_section_for_function_pointers): Change type of
4835         parameter SECTION_NAME to const reference to std::string.  Use
4836         target hook to determine if section may have unsafe pointers.
4837         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4838         method definition.
4839
4840 2010-06-21  Rafael Espindola  <espindola@google.com>
4841
4842         * fileread.cc (Input_file::find_fie): New
4843         (Input_file::open): Use Input_file::find_fie.
4844         * fileread.h (Input_file::find_fie): New
4845         * plugin.cc (set_extra_library_path): New.
4846         (Plugin::load): Add set_extra_library_path to the transfer vector.
4847         (Plugin_manager::set_extra_library_path): New.
4848         (Plugin_manager::add_input_file): Use the extra search path if set.
4849         (set_extra_library_path(): New.
4850         * plugin.h (Plugin_manager): Add set_extra_library_path and
4851         extra_search_path_.
4852
4853 2010-06-19  Cary Coutant  <ccoutant@google.com>
4854
4855         * layout.cc (gdb_sections): Add .debug_types.
4856         (lines_only_debug_sections): Likewise.
4857
4858 2010-06-18  Rafael Espindola  <espindola@google.com>
4859
4860         * plugin.cc (add_input_file,add_input_library)
4861         (Plugin_manager::add_input_file): Make filename arguments const.
4862         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4863         const.
4864
4865 2010-06-16  Doug Kwan  <dougkwan@google.com>
4866
4867         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4868         .ARM.attributes section if we have not merged any input
4869         attributes sections.
4870
4871 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4872
4873         * arm.cc: Allow combining objects with no EABI version
4874         information.
4875
4876 2010-06-15  Rafael Espindola  <espindola@google.com>
4877
4878         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4879
4880 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4881
4882         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4883         (struct iovec): Correct !HAVE_READV definition.
4884
4885 2010-06-10  Cary Coutant  <ccoutant@google.com>
4886
4887         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4888         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4889         reloc sections.
4890         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4891
4892         PR 11683
4893         * symtab.h (Symbol::is_placeholder): New member function.
4894         * target-reloc.h (relocate_section): Check for placeholder symbols.
4895
4896         * testsuite/Makefile.am (plugin_test_8): New test.
4897         (plugin_test_9): New test.
4898         * testsuite/Makefile.in: Regenerate.
4899
4900 2010-06-09  Nick Clifton  <nickc@redhat.com>
4901
4902         * yyscript.y (input_list_element): Allow strings prefixed with
4903         the '-' character.  Treat these as libraries.
4904         * script.cc (script_add_library): New function.  Adds a library
4905         specified by "-l<name>" found in an input script.
4906         * script-c.h: Add prototype for script_add_library.
4907
4908 2010-06-07  Doug Kwan  <dougkwan@google.com>
4909
4910         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4911         Restrict stub-group size to be within long conditional branch
4912         range when working around cortex-A8 erratum.
4913
4914 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4915
4916         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4917         #ifdef typo.
4918
4919 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4920
4921         PR gold/11658
4922         * output.cc
4923         (Output_section::Input_section_sort_entry::compare_section_ordering):
4924         Change to return non-zero correctly.
4925         (Output_section::Input_section_sort_section_order_index_compare
4926         ::operator()): Change to fix ambiguity in comparisons.
4927
4928 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4929
4930         * gold.h (is_wildcard_string): New function.
4931         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4932         (Layout::layout_eh_frame): Ditto.
4933         (Layout::find_section_order_index): New method.
4934         (Layout::read_layout_from_file): New method.
4935         * layout.h (Layout::find_section_order_index): New method.
4936         (Layout::read_layout_from_file): New method.
4937         (Layout::input_section_position_): New private member.
4938         (Layout::input_section_glob_): New private member.
4939         * main.cc (main): Call read_layout_from_file here.
4940         * options.h (--section-ordering-file): New option.
4941         * output.cc (Output_section::input_section_order_specified_): New
4942         member.
4943         (Output_section::Output_section): Initialize new member.
4944         (Output_section::add_input_section): Add new parameter.
4945         Keep input sections when --section-ordering-file is used.
4946         (Output_section::set_final_data_size): Sort input sections when
4947         section ordering file is specified.
4948         (Output_section::Input_section_sort_entry): Add new parameter.
4949         Check sorting type.
4950         (Output_section::Input_section_sort_entry::compare_section_ordering):
4951         New method.
4952         (Output_section::Input_section_sort_compare::operator()): Change to
4953         consider section_order_index.
4954         (Output_section::Input_section_sort_init_fini_compare::operator()):
4955         Change to consider section_order_index.
4956         (Output_section::Input_section_sort_section_order_index_compare
4957         ::operator()): New method.
4958         (Output_section::sort_attached_input_sections): Change to sort
4959         according to section order when specified.
4960         (Output_section::add_input_section<32, true>): Add new parameter.
4961         (Output_section::add_input_section<64, true>): Add new parameter.
4962         (Output_section::add_input_section<32, false>): Add new parameter.
4963         (Output_section::add_input_section<64, false>): Add new parameter.
4964         * output.h (Output_section::add_input_section): Add new parameter.
4965         (Output_section::input_section_order_specified): New
4966         method.
4967         (Output_section::set_input_section_order_specified): New method.
4968         (Input_section::Input_section): Initialize section_order_index_.
4969         (Input_section::section_order_index): New method.
4970         (Input_section::set_section_order_index): New method.
4971         (Input_section::section_order_index_): New member.
4972         (Input_section::Input_section_sort_section_order_index_compare): New
4973         struct.
4974         (Output_section::input_section_order_specified_): New member.
4975         * script-sections.cc (is_wildcard_string): Delete and move modified
4976         method to gold.h.
4977         (Output_section_element_input::Output_section_element_input): Modify
4978         call to is_wildcard_string.
4979         (Output_section_element_input::Input_section_pattern
4980         ::Input_section_pattern): Ditto.
4981         (Output_section_element_input::Output_section_element_input): Ditto.
4982         * testsuite/Makefile.am (final_layout): New test case.
4983         * testsuite/Makefile.in: Regenerate.
4984         * testsuite/final_layout.cc: New file.
4985         * testsuite/final_layout.sh: New file.
4986
4987 2010-06-01  Rafael Espindola  <espindola@google.com>
4988
4989         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4990
4991 2010-06-01  Rafael Espindola  <espindola@google.com>
4992
4993         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4994         visibility of symbols.
4995
4996 2010-05-27  Doug Kwan  <dougkwan@google.com>
4997
4998         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4999         from start of output section instead of address for a local symbol
5000         in a merged or relaxed section when doing a relocatable link.
5001
5002 2010-05-26  Rafael Espindola  <espindola@google.com>
5003
5004        PR 11604
5005         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5006         adding sections the garbage collector removed.
5007         * gold/testsuite/Makefile.am: Add test.
5008         * gold/testsuite/Makefile.in: Regenerate.
5009         * gold/testsuite/plugin_test_7.sh: New.
5010         * gold/testsuite/plugin_test_7_1.c: New.
5011         * gold/testsuite/plugin_test_7_2.c: New.
5012
5013 2010-05-26  Rafael Espindola  <espindola@google.com>
5014
5015         * script-sections.cc (Output_section_definition::set_section_addresses):
5016         Check for --section-start.
5017
5018 2010-05-26  Doug Kwan  <dougkwan@google.com>
5019
5020         * arm.cc (Arm_scan_relocatable_relocs): New class.
5021         (Target_arm::relocate_special_relocatable): New method.
5022         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5023         (Arm_relocate_functions::thumb_branch_common): Same.
5024         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5025         instead of Default_scan_relocatable_relocs.
5026         * target-reloc.h (relocate_for_relocatable): Let target handle
5027         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5028         * target.h (Sized_target::relocate_special_relocatable): New method.
5029
5030 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5031
5032         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5033
5034 2010-05-23  Doug Kwan  <dougkwan@google.com>
5035
5036         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5037         instead of a cast.
5038         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5039         with a direct branch, not a conditional branch, to a stub.
5040         * merge.cc (Output_merge_base::record_input_section): New method
5041         defintion.
5042         (Output_merge_data::do_add_input_section): Record input section if
5043         keeps-input-sections flag is set.
5044         (Output_merge_string::do_add_input_section): Ditto.
5045         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5046         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5047         INPUT_SECTIONS_.
5048         (Output_merge_base::keeps_input_sections,
5049         Output_merge_base::set_keeps_input_sections,
5050         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5051         method definitions.
5052         (Output_merge_base::Input_sections): New type declaration.
5053         (Output_merge_base::input_sections_begin,
5054         Output_merge_base::input_sections_end,
5055         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5056         (Output_merge_base::bool keeps_input_sections_,
5057         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5058         Output_merge_base::input_sections_): New data members.
5059         (Output_merge_data::do_set_keeps_input_sections): New method
5060         defintion.
5061         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5062         * output.cc (Output_section::Input_section::relobj): Move method
5063         defintion from class declaration to here and handle merge sections.
5064         (Output_section::Input_section::shndx): Ditto.
5065         (Output_section::Output_section): Remove initializations of removed
5066         data members and initialize new data member LOOKUP_MAPS_.
5067         (Output_section::add_input_section): Set keeps-input-sections flag
5068         for a newly created merge output section as appropriate.  Adjust code
5069         to use Output_section_lookup_maps class.
5070         (Output_section::add_relaxed_input_section): Adjst code for lookup
5071         maps code refactoring.
5072         (Output_section::add_merge_input_section): Add a new parameter
5073         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5074         class.  If adding input section to a newly created merge output
5075         section fails, remove the new merge section.
5076         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5077         Adjust code for use of the Output_section_lookup_maps class.
5078         (Output_section::find_merge_section): Ditto.
5079         (Output_section::build_lookup_maps): New method defintion.
5080         (Output_section::find_relaxed_input_section): Adjust code to use
5081         Output_section_lookup_maps class.
5082         (Output_section::get_input_sections): Export merge sections.  Adjust
5083         code to use Output_section_lookup_maps class.
5084         (Output_section:::add_script_input_section): Adjust code to use
5085         Output_section_lookup_maps class.  Update lookup maps for merge
5086         sections also.
5087         (Output_section::discard_states): Use Output_section_lookup_maps.
5088         (Output_section::restore_states): Same.
5089         * output.h (Merge_section_properties): Move class defintion out of
5090         Output_section.
5091         (Output_section_lookup_maps): New class.
5092         (Output_section::Input_section::is_merge_section): New method
5093         defintion.
5094         (Output_section::Input_section::relobj): Move defintion out of class
5095         defintion.  Declare method only.
5096         (Output_section::Input_section::shndx): Ditto.
5097         (Output_section::Input_section::output_merge_base): New method defintion.
5098         (Output_section::Input_section::u2_.pomb): New union field.
5099         (Output_section::Merge_section_by_properties_map,
5100         Output_section::Output_section_data_by_input_section_map,
5101         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5102         Remove types.
5103         (Output_section::add_merge_input_section): Add new parameter
5104         KEEPS_INPUT_SECTIONS.
5105         (Output_section::build_lookup_maps): New method declaration.
5106         (Output_section::merge_section_map_,
5107         Output_section::merge_section_by_properties_map_,
5108         Output_section::relaxed_input_section_map_,
5109         Output_section::is_relaxed_input_section_map_valid_): Remove data
5110         members.
5111         (Output_section::lookup_maps_): New data member.
5112
5113 2010-05-21  Doug Kwan  <dougkwan@google.com>
5114
5115         PR gold/11619
5116         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5117         avoid a compilation error.
5118
5119 2010-05-19  Rafael Espindola  <espindola@google.com>
5120
5121         * script-sections.cc (Output_section_definition::allocate_to_segment):
5122         Update the phdrs_list even when the output section is NULL.
5123         * testsuite/Makefile.am: Add test.
5124         * testsuite/Makefile.in: Regenerate.
5125         * testsuite/script_test_9.cc: New.
5126         * testsuite/script_test_9.sh: New.
5127         * testsuite/script_test_9.t: New.
5128
5129 2010-05-19  Doug Kwan  <dougkwan@google.com>
5130
5131         * arm.cc (Arm_input_section::original_size): New method.
5132         (Arm_input_section::do_addralign): Add a cast.
5133         (Arm_input_section::do_output_offset): Remove static cast.
5134         (Arm_input_section::original_addralign,
5135          Arm_input_section::original_size_): Change type to uint32_t.
5136         (Arm_input_section::init): Add safe casts for section alignment
5137         and size.
5138         (Arm_input_section::set_final_data_size): Do not set address and
5139         offset of stub table.
5140         (Arm_output_section::fix_exidx_coverage): Change use of of
5141         Output_section::Simple_input_section to that of
5142         Output_section::Input_section.
5143         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5144         except for the first pass.
5145         * output.cc (Output_section::get_input_sections): Change type of
5146         input_sections to std::list<Input_section>.
5147         (Output_section::add_script_input_section): Rename from
5148         Output_section::add_simple_input_section.  Change type of SIS
5149         parameter from Simple_input_section to Input_section.
5150         * output.h (Output_section::Simple_input_section): Remove class.
5151         (Output_section::Input_section): Change class visibility to public.
5152         (Output_section::Input_section::addralign): Use stored alignments
5153         for special input sections if set.
5154         (Output_section::Input_section::set_addralign): New method.
5155         (Output_section::get_input_sections): Change parameter type from
5156         list of Simple_input_section to list of Input_section.
5157         (Output_section::add_script_input_section): Rename from
5158         Output_section::add_simple_input_section. Change first parameter's
5159         type from Simple_input_section to Input_section and remove the
5160         second and third parameters.
5161         * script-sections.cc (Input_section::Input_section_list): Change
5162         type to list of Output_section::Input_section/
5163         (Input_section_info::Input_section_info): Change parameter type of
5164         INPUT_SECTION to Output_section::Input_section.
5165         (Input_section_info::input_section): Change return type.
5166         (Input_section_info::input_section_): Change type to
5167         Output_section::Input_section.
5168         (Output_section_element_input::set_section_addresses): Adjust code
5169         to use Output_section::Input_section instead of
5170         Output_section::Simple_input_section.  Adjust code for renaming
5171         of Output_section::add_simple_input_section.
5172         (Orphan_output_section::set_section_addresses): Ditto.
5173
5174 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5175
5176         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5177         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5178
5179 2010-05-18  Rafael Espindola  <espindola@google.com>
5180
5181         * options.cc (General_options::finalize): Handle -nostdlib.
5182         * options.h (nostdlib): New option.
5183         * script.cc (script_add_search_dir): Handle -nostdlib.
5184
5185 2010-05-12  Doug Kwan  <dougkwan@google.com>
5186
5187         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5188         attributes section only if there no attributes section after merging.
5189         (Target_arm::merge_object_attributes): Move value of
5190         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5191         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5192         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5193         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5194         and arm_attr_merge_7.stdout.
5195         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5196         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5197         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5198         arm_attr_merge_7b.o): New rules.
5199         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5200         arm_attr_merge_7
5201         * testsuite/Makefile.in: Regenerate.
5202         * testsuite/arm_attr_merge.sh: New file.
5203         * testsuite/arm_attr_merge_[67][ab].s: Same.
5204
5205 2010-05-05  Nick Clifton  <nickc@redhat.com>
5206
5207         * po/es.po: Updated Spanish translation.
5208
5209 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5210
5211         * Makefile.am (install-exec-local): Properly install gold as
5212         default cross linker.
5213         * Makefile.in: Regenerated.
5214
5215 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5216             Nick Clifton  <nickc@redhat.com>
5217
5218         * configure.ac (install_as_default): Define and set to false
5219         unless --enable-gold or --enable-gold=both/gold has been
5220         specified.
5221         * configure: Regenerate.
5222
5223         * Makefile.am (install-exec-local): Install the executable as
5224         'ld.gold'.  If install_as_default is true then also install it as
5225         'ld'.
5226         * Makefile.in: Regenerated.
5227
5228 2010-04-24  Ian Lance Taylor  <iant@google.com>
5229
5230         * layout.cc (Layout::layout_reloc): In relocatable link don't
5231         combine reloc sections for grouped sections.
5232
5233 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5234
5235         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5236         sections that are not ordinary to icf.
5237         * icf.cc (get_section_contents): Handle relocation pointing to section
5238         with no object or shndx information.
5239         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5240         * testsuite/Makefile.in: Regenerate.
5241         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5242         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5243
5244 2010-04-22  Ian Lance Taylor  <iant@google.com>
5245
5246         * expression.cc (Expression::Expression_eval_info): Add
5247         result_alignment_pointer field.
5248         (Expression::eval_with_dot): Add result_alignment_pointer
5249         parameter.  Change all callers.
5250         (Expression::eval_maybe_dot): Likewise.
5251         (class Binary_expression): Add alignment_pointer parameter to
5252         left_value and right_value.  Change all callers.
5253         (BINARY_EXPRESSION): Set result alignment.
5254         (class Trinary_expression): Add alignment_pointer parameter to
5255         arg2_value and arg3_value.  Change all callers.
5256         (Trinary_cond::value): Set result alignment.
5257         (Max_expression::value, Min_expression::value): Likewise.
5258         (Align_expression::value): Likewise.
5259         * script-sections.cc (class Sections_element): Add dot_alignment
5260         parameter to set_section_addresses virtual function.  Update
5261         instantiations.
5262         (class Output_section_element): Likewise.
5263         (Script_sections::create_segments): Add dot_alignment parameter.
5264         Change all callers.
5265         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5266         (Script_sections::set_phdrs_clause_addresses): Likewise.
5267         * script-sections.h: Update declarations.
5268         * script.h: Update declarations.
5269         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5270         min_p_align.
5271         * testsuite/script_test_3.t: Set large alignment.
5272         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5273         segment has expected alignment.
5274
5275 2010-04-22  Nick Clifton  <nickc@redhat.com>
5276
5277         * po/gold.pot: Updated by the Translation project.
5278         * po/vi.po: Updated Vietnamese translation.
5279
5280 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5281
5282         * testsuite/Makefile.am (check_PROGRAMS): Add
5283         icf_virtual_function_folding_test.
5284         * testsuite/Makefile.in: Regenerated.
5285
5286 2010-04-15  Andrew Haley  <aph@redhat.com>
5287
5288         * options.h (merge_exidx_entries): New option.
5289         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5290         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5291         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5292         (Target_arm::merge_exidx_entries): New function.
5293         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5294         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5295         to Arm_exidx_fixup constructor.
5296         Add new arg, merge_exidx_entries.
5297         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5298         Arm_output_section::fix_exidx_coverage.
5299
5300 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5301
5302         * icf.cc (get_section_contents): Check for preemptible functions.
5303         Ignore addend when appropriate.
5304         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5305         section folded.
5306         (add_from_relobj): Check for section folded.
5307         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5308         * symtab.h (should_add_dynsym_entry): Add new parameter.
5309         * target-reloc.h (scan_relocs): Check for section folded.
5310         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5311         Check reloc types for function pointers in shared objects.
5312         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5313         case.
5314         (icf_preemptible_functions_test): New test case.
5315         (icf_string_merge_test): New test case.
5316         * testsuite.Makefile.in: Regenerate.
5317         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5318         bar_glob.  Refactor code.
5319         * testsuite/icf_preemptible_functions_test.cc: New file.
5320         * testsuite/icf_preemptible_functions_test.sh: New file.
5321         * testsuite/icf_string_merge_test.cc: New file.
5322         * testsuite/icf_string_merge_test.sh: New file.
5323         * testsuite/icf_virtual_function_folding_test.cc: New file.
5324         * testsuite/icf_virtual_function_folding_test.sh: New file.
5325
5326 2010-04-14  Doug Kwan  <dougkwan@google.com>
5327
5328         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5329         for local symbol recounting if we remove a section due to ICF.
5330         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5331         there are no regular objects in input.
5332
5333 2010-04-13  Doug Kwan  <dougkwan@google.com>
5334
5335         * arm.cc (Arm_input_section::set_final_data_size): Compute
5336         accurate final data size instead of using current data size.
5337
5338 2010-04-09  Doug Kwan  <dougkwan@google.com>
5339
5340         * layout.cc (Layout::choose_output_section): Handle script section
5341         types.
5342         (Layout::make_output_section_for_script): Add section type parameter.
5343         Handle script section types.
5344         * layout.h (Layout::make_output_section_for_script): Add section
5345         type parameter.
5346         * output.cc (Output_section::Output_section): Initialize data member
5347         is_noload_.
5348         (Output_section::do_reset_address_and_file_offset): Do not set address
5349         to 0 if section is a NOLOAD section.
5350         * output.h (Output_section::is_noload): New method.
5351         (Output_section::set_is_noload): Ditto.
5352         (Output_section::is_noload_): New data member.
5353         * script-c.h (Script_section_type): New enum type.
5354         (struct Parser_output_section_header): Add new file section_type.
5355         * script-sections.cc (Sections_element::output_section_name): Add
5356         parameter for returning script section type.
5357         (Output_section_definition::output_section_name): Ditto.
5358         (Output_section_definition::section_type)P; New method.
5359         (Output_section_definiton::script_section_type_name): Ditto.
5360         (Output_section_definition::script_section_type_): New data member.
5361         (Output_section_definition::Output_section_definition): Initialize
5362         data member Output_section_definition::script_section_type_.
5363         (Output_section_definition::create_sections): Pass script section type
5364         to Layout::make_output_section_for_script.
5365         (Output_section_definition::output_section_name): Return script
5366         section type to caller.
5367         (Output_section_definition::set_section_address): Do not advance
5368         dot value and load address if section type is NOLOAD.  Set address
5369         of NOLOAD sections regardless of section flags.
5370         (Output_section_definition::print): Print section type if it is
5371         not SCRIPT_SECTION_TYPE_NONE.
5372         (Output_section_definition::section_type): New method.
5373         (Output_section_definition::script_section_type_name): Ditto.
5374         (Script_sections::output_section_name): Add new parameter
5375         PSECTION_TYPE for returning script section type.  Pass it to
5376         section elements.  Handle discard sections.
5377         (Sort_output_sections::operator()): Handle NOLOAD sections.
5378         * script-sections.h (Script_sections::Section_type): New enum type.
5379         (Script_sections::output_section_name): Add a new parameter for
5380         returning script section type.
5381         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5382         INFO and NOLOAD.
5383         * yyscript.y (union): Add new field SECTION_TYPE.
5384         (COPY, DSECT, INFO, NOLOAD): New tokens.
5385         (opt_address_and_section_type): Change type to output_section_header.
5386         (section_type): New non-terminal
5387         (section_header): Handle section type.
5388         (opt_address_and_section_type): Return section type value.
5389
5390 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5391
5392         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5393         * testsuite/plugin_common_test_2.c (foo): Likewise.
5394
5395 2010-04-08  Doug Kwan  <dougkwan@google.com>
5396
5397         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5398         Output_merge_data.
5399         * output.cc (Output_section::add_merge_input_section): Simplify
5400         code and return status of Output_merge_base::add_input_section.
5401         Update merge section map only if Output_merge_base::add_input_section
5402         returns true.
5403
5404 2010-04-07  Doug Kwan  <dougkwan@google.com>
5405
5406         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5407         if section is marked as containing instructions but has no mapping
5408         symbols.
5409         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5410         correct section index.
5411         (Arm_relobj::find_linked_text_section): Ditto.
5412
5413 2010-04-07  Cary Coutant  <ccoutant@google.com>
5414
5415         * archive.cc (include_member): Destroy Read_symbols_data object before
5416         releasing file.
5417         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5418         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5419         (Read_symbols_data::~Read_symbols_data) New destructor.
5420         (Section_relocs::Section_relocs) New constructor.
5421         (Section_relocs::~Section_relocs) New destructor.
5422         (Read_relocs_data::Read_relocs_data) New constructor.
5423         (Read_relocs_data::~Read_relocs_data) New destructor.
5424         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5425         pointers to NULL after deleting.
5426
5427 2010-04-07  Doug Kwan  <dougkwan@google.com>
5428
5429         * arm.cc: Replace "endianity" with "endianness" in comments.
5430         (Arm_exidx_cantunwind): Ditto.
5431         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5432         (Arm_relobj::merge_flags_and_attributes): New method.
5433         (Arm_relobj::merge_flags_and_attributes_): New data member.
5434         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5435         (Arm_relobj::scan_sections_for_stubs): Ditto.
5436         (Arm_relobj::do_read_symbols): Check to see if we really want to
5437         merge processor-specific flags and attributes.  Exit early if
5438         an object is empty except for section names and the undefined symbol.
5439         (Target_arm::do_finalize_sections): Move check for ELF format to
5440         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5441         attributes from a regular object only when we have determined that
5442         it is aapropriate.  Do not create an .ARM.attributes section in
5443         output if there is no regular input object.
5444         (Target_arm::merge_processor_specific_flags): Check
5445         --warn-mismatch before printing any error.
5446         (Target_arm::merge_object_attributes): Ditto.
5447         * gold.cc (queue_middle_tasks): Handle the case in which there is
5448         no regular object in input.
5449         * options.cc (General_options::parse_EB): New method.
5450         (General_options::parse_EL): Same.
5451         (General_options::General_options): Initialize endianness_.
5452         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5453         New options.
5454         (General_options::Endianness): New enum.
5455         (General_options::endianness): New method.
5456         (General_options::endianness_): New data member.
5457         * parameters.cc (Parameters::set_options): Check target endianness.
5458         (Parameters::set_target_once): Ditto.
5459         (Parameters::check_target_endianness): New method.
5460         (parameters_force_valid_target): If either -EL or -EB is specified,
5461         use it to define endianness of default target.
5462         * parameters.h (Parameters::check_target_endianness): New method
5463         declaration.
5464         * target.h (class Target): Change "endianity" to "endianness"
5465         in comments.
5466
5467 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5468
5469         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5470         * configure: Regenerate.
5471         * Makefile.in: Regenerate.
5472         * testsuite/Makefile.in: Regenerate.
5473
5474 2010-04-06  Cary Coutant  <ccoutant@google.com>
5475
5476         gcc PR lto/42757
5477         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5478         prevailing definitions of common symbols.
5479         * testsuite/plugin_test_6.sh: New test case.
5480         * testsuite/plugin_common_test_1.c: New test case.
5481         * testsuite/plugin_common_test_2.c: New test case.
5482         * testsuite/Makefile.am (plugin_test_6): New test case.
5483         * testsuite/Makefile.in: Regenerate.
5484
5485 2010-04-06  Nick Clifton  <nickc@redhat.com>
5486
5487         * po/vi.po: New Vietnamese translation.
5488
5489 2010-03-30  Doug Kwan  <dougkwan@google.com>
5490
5491         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5492
5493 2010-03-25  Doug Kwan  <dougkwan@google.com>
5494
5495         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5496         to avoid a conversion warning on a 32-bit host.
5497
5498 2010-03-24  Ian Lance Taylor  <iant@google.com>
5499
5500         * testsuite/script_test_3.t: Add a TLS segment.
5501         * testsuite/Makefile.am (check_PROGRAMS): Add
5502         tls_phdrs_script_test.
5503         (tls_phdrs_script_test_SOURCES): Define.
5504         (tls_phdrs_script_test_DEPENDENCIES): Define.
5505         (tls_phdrs_script_test_LDFLAGS): Define.
5506         (tls_phdrs_script_test_LDADD): Define.
5507         * testsuite/Makefile.in: Rebuild.
5508
5509 2010-03-23  Cary Coutant  <ccoutant@google.com>
5510
5511         * fileread.cc (find_or_make_view): Fix comment.
5512
5513 2010-03-23  Ian Lance Taylor  <iant@google.com>
5514
5515         * script-sections.cc (class Orphan_section_placement): Define
5516         PLACE_TLS and PLACE_TLS_BSS.
5517         (Orphan_section_placement::Orphan_section_placement): Initialize
5518         new places.
5519         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5520         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5521         (tls_script_test_SOURCES): Define.
5522         (tls_script_test_DEPENDENCIES): Define.
5523         (tls_script_test_LDFLAGS): Define.
5524         (tls_script_test_LDADD): Define.
5525         * testsuite/Makefile.in: Rebuild.
5526
5527 2010-03-22  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Arm_relocate_functions::abs8,
5530         Arm_relocate_functions::abs16): Use correct check for overflow
5531         specified in the ARM ELF specs.
5532         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5533         target of a BLX instruction specially.
5534         (Reloc_stub::stub_type_for_reloc): Ditto.
5535         (Relocate::relocate): Use symbolic names instead of numeric relocation
5536         codes to report error.
5537         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5538         workaround.
5539         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5540         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5541         thumb2_blx_out_of_range.stdout
5542         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5543         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5544         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5545         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5546         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5547         thumb2_blx_in_range, thumb2_blx_in_range.o,
5548         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5549         thumb2_blx_out_of_range.o): New rules.
5550         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5551         thumb2_blx_in_range and thumb2_blx_out_of_range.
5552         * testsuite/Makefile.in: Regenerate.
5553         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5554         * testsuite/thumb_blx_in_range.s: New file.
5555         * testsuite/thumb_blx_out_of_range.s: New file.
5556
5557 2010-03-22  Rafael Espindola  <espindola@google.com>
5558
5559         * archive.cc (Should_include): Move to archive.h.
5560         (should_include_member): Make it a member of Archive.
5561         (Lib_group): New.
5562         (Add_lib_group_symbols): New.
5563         * archive.h: Include options.h.
5564         (Archive_member): Moved from Archive.
5565         (Should_include): Moved from archive.cc.
5566         (Lib_group): New.
5567         (Add_lib_group_symbols): New.
5568         * dynobj.cc (do_should_include_member): New.
5569         * dynobj.h (do_should_include_member): New.
5570         * gold.cc (queue_initial_tasks): Update call to queue.
5571         * main.cc (main): Print lib group stats.
5572         * object.cc (do_should_include_member): New.
5573         * object.h: Include archive.h.
5574         (Object::should_include_member): New.
5575         (Object::do_should_include_member): New.
5576         (Sized_relobj::do_should_include_member): New.
5577         * options.cc (General_options::parse_start_lib): New.
5578         (General_options::parse_end_lib): New.
5579         (Input_arguments::add_file): Handle lib groups.
5580         (Input_arguments::start_group): Check we are not in a lib.
5581         (Input_arguments::start_lib): New.
5582         (Input_arguments::end_lib): New.
5583         * options.h (General_options): Add start_lib and end_lib.
5584         (Input_argument::lib_): New.
5585         (Input_argument::lib): New.
5586         (Input_argument::is_lib): New.
5587         (Input_file_lib): New.
5588         (Input_arguments::in_lib_): New.
5589         (Input_arguments::in_lib): New.
5590         (Input_arguments::start_lib): New.
5591         (Input_arguments::end_lib_): New.
5592         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5593         in unused members as preempted.
5594         (Sized_pluginobj::do_should_include_member): New.
5595         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5596         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5597         return the blocker.
5598         (Read_symbols::do_whole_lib_group): New.
5599         (Read_symbols::do_lib_group): New.
5600         (Read_symbols::do_read_symbols): Handle lib groups.
5601         (Read_symbols::get_name): Handle lib groups.
5602         * readsyms.h (Read_symbols): Add an archive member pointer.
5603         (Read_symbols::do_whole_lib_group): New.
5604         (Read_symbols::do_lib_group): New.
5605         (Read_symbols::member_): New.
5606         * script.cc (read_input_script): Update call to queue_soon.
5607
5608 2010-03-19  Doug Kwan  <dougkwan@google.com>
5609
5610         * arm.cc (Stub_table::Stub_table): Initialize new data members
5611         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5612         (Stub_table::add_reloc_stub): Assign stub offset and update
5613         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5614         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5615         New data members.
5616         (Stub_table::update_data_size_and_addralign): Use
5617         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5618         instead of going over all reloc stubs.
5619         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5620         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5621         Stringpool_template::offset_ to size of Stringpool_char.
5622         (Stringpool_template::new_key_offset): Remove code to initialize
5623         Stringpool_template::offset_.
5624         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5625         Stringpool_template::offset_ to zero.
5626
5627 2010-03-15  Doug Kwan  <dougkwan@google.com>
5628
5629         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5630         offset_.
5631         (Stringpool_template::new_key_offset): New method.
5632         (Stringpool_template::add_string): Assign offsets when adding new
5633         strings.
5634         (Stringpool_template::set_string_offsets): Do not set string offsets
5635         when not optimizing.
5636         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5637         member size_.
5638         (Chunked_vector::clear): Clear size_.
5639         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5640         (Chunked_vector::size): Return size_.
5641         (Chunked_vector::push_back): Use size_ to find insert position.
5642         (Chunked_vector::size_): New data member.
5643         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5644         (Stringpool_template::new_key_offset): New method declaration.
5645         (Stringpool_template::offset_): New data member.
5646
5647 2010-03-15   Rafael Espindola  <espindola@google.com>
5648
5649         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5650         Add_symbols' constructor.
5651         * readsyms.h (Add_symbols): Remove the input_group member.
5652
5653 2010-03-10  Ian Lance Taylor  <iant@google.com>
5654
5655         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5656         target to ask whether a reference to a symbol requires a stack
5657         split.
5658         * target.h (Target::is_call_to_non_split): New function.
5659         (Target::do_is_call_to_non_split): Declare virtual function.
5660         * target.cc: Include "symtab.h".
5661         (Target::do_is_call_to_non_split): New function.
5662         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5663
5664 2010-03-10  Cary Coutant  <ccoutant@google.com>
5665
5666         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5667         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5668         (File_read::open[2]): Add whole_file_view_ to list of views.
5669         (File_read::make_view): Remove test of whole_file_view_.
5670         (File_read::find_or_make_view): Create whole_file_view_ if
5671         necessary.
5672         (File_read::clear_views): Replace bool parameter with enum;
5673         adjust all callers.  Don't delete views with permanent data;
5674         do delete cached views and views from archives if
5675         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5676         if clearing the corresponding view.
5677         * fileread.h (File_read::Clear_views_mode): New enum.
5678         (File_read::View::is_permanent_view): New method.
5679         (File_read::clear_views): Replace bool parameter
5680         with enum; adjust all callers.
5681         * options.h (General_options): Change keep_files_mapped option;
5682         add map_whole_files.
5683         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5684         releasing the file.
5685         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5686         the file.
5687
5688 2010-03-10  David S. Miller  <davem@davemloft.net>
5689
5690         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5691
5692 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5693
5694         * icf.cc (get_section_contents): Add '@' marker after processing the
5695         merge reloc.
5696
5697 2010-03-08  Doug Kwan  <dougkwan@google.com>
5698
5699         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5700         due to a conversion warning.
5701         (Arm_relobj::update_output_local_symbol_count): Check for local
5702         symbol with unset output index.
5703
5704 2010-03-05  Ian Lance Taylor  <iant@google.com>
5705
5706         * options.h (class General_options): Add --spare-dynamic-tags.
5707         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5708         --spare-dynamic-tags.
5709
5710 2010-03-05  Ian Lance Taylor  <iant@google.com>
5711
5712         * incremental.cc: Include "libiberty.h".
5713
5714 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5715
5716         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5717         function, is_info_ member.
5718         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5719         (Versions::Versions): Update caller.
5720         (Versions::define_base_version): Likewise.
5721         (Versions::add_def): Likewise.
5722
5723 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5724
5725         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5726         (Scan::possible_function_pointer_reloc): New function.
5727         (Scan::local_reloc_may_be_function_pointer): Change to call
5728         possible_function_pointer_reloc.
5729         (Scan::global_reloc_may_be_function_pointer): Ditto.
5730         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5731         relocations in ".data.rel.ro._ZTV" section.
5732         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5733         * testsuite/icf_safe_so_test.cc: Ditto.
5734         * testsuite/icf_safe_test.cc: Ditto.
5735         * testsuite/icf_safe_test.sh: Ditto.
5736
5737 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5738             Ian Lance Taylor  <iant@google.com>
5739
5740         * target-reloc.h (relocate_section): Check the symbol table index
5741         for -1U before setting the local symbol index.
5742         (scan_relocatable_relocs): If copying the relocation, record that
5743         the local symbol is required.
5744         * object.h (Symbol_value::is_output_symtab_index_set): New
5745         function.
5746         (Symbol_value::may_be_discarded_from_output_symtab): New
5747         function.
5748         (Symbol_value::has_output_symtab_entry): New function.
5749         (Symbol_value::needs_output_symtab_entry): Remove.
5750         (Symbol_value::output_symtab_index): Make sure the symbol index is
5751         set.
5752         (Symbol_value::set_output_symtab_index): Make sure the symbol
5753         index is not set.  Make sure the new index is valid.
5754         (Symbol_value::set_must_have_output_symtab_entry): New function.
5755         (Symbol_value::has_output_dynsym_entry): New function.
5756         (Symbol_value::set_output_dynsym_index): Make sure the new index
5757         is valid.
5758         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5759         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5760         local symbol if permitted.
5761         (Sized_relobj::do_finalize_local_symbols): Call
5762         is_output_symtab_index_set rather than needs_output_symtab_entry.
5763         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5764         rather than needs_output_symtab_entry.  Call
5765         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5766         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5767         is_output_symtab_index_set rather than needs_output_symtab_entry.
5768         * testsuite/discard_locals_relocatable_test.c: New file.
5769         * testsuite/discard_locals_test.sh: Test -r.
5770         * testsuite/Makefile.am (check_DATA): Add
5771         discard_locals_relocatable_test1.syms,
5772         discard_local_relocatable_test2.syms.
5773         (MOSTLYCLEANFILES): Likewise.  Also add
5774         discard_locals_relocatable_test1.lout and
5775         discard_locals_relocatable_test2.out.
5776         (discard_locals_relocatable_test1.syms): New target.
5777         (discard_locals_relocatable_test.o): New target.
5778         (discard_locals_relocatable_test1.out): New target.
5779         (discard_locals_relocatable_test2.syms): New target.
5780         (discard_locals_relocatable_test2.out): New target.
5781         (various): Add missing ../ld-new dependencies.
5782         * testsuite/Makefile.in: Rebuild.
5783
5784 2010-03-03  Nick Clifton  <nickc@redhat.com>
5785
5786         * po/fi.po: New Finnish translation.
5787
5788 2010-03-01  Doug Kwan  <dougkwan@google.com>
5789
5790         * layout.cc (Layout::Layout): Force section types of .init_array*,
5791         .preinit_array* and .fini_array* sections.
5792         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5793         Fix check of return value of std::string::find.().
5794         (Output_section::Input_section_sort_compare::operator()): Remove
5795         comment about .init_array.
5796         (Output_section::Input_section_sort_init_fini_compare::operator()):
5797         New method.
5798         (Output_section::sort_attached_input_sections): Handle .init_array
5799         and .fini_array specially.
5800         * output.h (Output_section::Inut_section_sort_compare): Update
5801         comment.
5802         (Output_section::Input_section_sort_init_fini_compare): New struct.
5803
5804 2010-02-26  Doug Kwan  <dougkwan@google.com>
5805
5806         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5807         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5808         * testsuite/debug_msg.sh: Avoid matching source line number for
5809         use of global variable undef_int.
5810
5811 2010-02-26  Doug Kwan  <dougkwan@google.com>
5812
5813         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5814         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5815         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5816         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5817         * options.cc (General_options::General_options): Initialize member
5818         fix_v4bx_.
5819         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5820         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5821         and rm_no_fix_v4bx.stdout
5822         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5823         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5824         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5825         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5826         and arm_no_fix_v4bx.
5827         * Makefile.in: Regenerate.
5828         * testsuite/arm_fix_v4bx.s: New file.
5829         * testsuite/arm_fix_v4bx.sh: Ditto.
5830
5831 2010-02-24  Doug Kwan  <dougkwan@google.com>
5832
5833         * arm.cc (Target_arm::got_section): Make the .got section the first
5834         non RELRO section in the data segment.
5835         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5836         suffixes of section names.
5837
5838 2010-02-24  Doug Kwan  <dougkwan@google.com>
5839
5840         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5841         flags and attributes merging if an input file is a binary file.
5842         * fileread.cc (Input_file::open): Record format of original file.
5843         * fileread.h (Input_file::Format): New enum type.
5844         (Input_file::Input_file): Initialize data member format_.
5845         (Input_file::format): New method definition.
5846         (Input_file::format_):: New data member.
5847
5848 2010-02-24  Doug Kwan  <dougkwan@google.com>
5849
5850         * arm.cc (Arm_output_data_got): New class.
5851         (ARM_TCB_SIZE): New constant
5852         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5853         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5854         If user uses a script with a SECTIONS clause, issue only a warning
5855         for a misplaced EXIDX input section.  Otherwise, issue an error.
5856         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5857         garbage collection.
5858         (Target_arm::got_mode_index_entry): Handle static linking.
5859         (Target_arm::Scan::local): Ditto.
5860         (Target_arm::Scan::global): Ditto.
5861         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5862         all incorrectly implemented relocations.
5863         (Target_arm::fix_exidx_coverage): Pass layout to
5864         Arm_output_section::fix_exidx_coverage.
5865         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5866         from ".ARM.exidx." and ".ARM.extab.".
5867
5868 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5869
5870         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5871         section if it does not already exist.
5872         * attributes.cc (Attributes_section_data::Attributes_section_data):
5873         Don't crash if size is zero.
5874
5875 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5876             Ian Lance Taylor  <iant@google.com>
5877
5878         * gold.cc (queue_middle_tasks): If no input files were opened,
5879         exit.
5880         * workqueue.h (Task_function::Task_function): Assert that there is
5881         a blocker.
5882
5883 2010-02-22  Doug Kwan  <dougkwan@google.com>
5884
5885         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5886         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5887         types to avoid warnings due to different uint64_t implementations
5888         on different hosts.
5889
5890 2010-02-21  Doug Kwan  <dougkwan@google.com>
5891
5892         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5893         handling of the maximum backward branch offset.
5894         (Arm_relocate_functions::thumb_branch_common): Ditto.
5895         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5896         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5897         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5898         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5899         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5900         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5901         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5902         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5903         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5904         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5905         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5906         thumb2_bl_out_of_range.o): New rules.
5907         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5908         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5909         thumb2_bl_out_of_range
5910         * testsuite/Makefile.in: Regenerate.
5911         * testsuite/arm_bl_in_range.s: New file.
5912         * testsuite/arm_bl_out_of_range.s: Ditto.
5913         * testsuite/arm_branch_in_range.sh: Ditto.
5914         * testsuite/arm_branch_range.t: Ditto.
5915         * testsuite/thumb2_branch_range.t: Ditto.
5916         * testsuite/thumb_bl_in_range.s: Ditto.
5917         * testsuite/thumb_bl_out_of_range.s: Ditto.
5918         * testsuite/thumb_branch_range.t: Ditto.
5919
5920 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5921
5922         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5923         Add reloc offset information.
5924         * icf.cc (get_section_contents): Change iterators to point to the new
5925         vectors. Add reloc offset information to the contents.
5926         * icf.h (Icf::Sections_reachable_info): New typedef.
5927         (Icf::Sections_reachable_list): New typedef.
5928         (Icf::Offset_info): New typedef.
5929         (Icf::Reloc_info): New struct typedef.
5930         (Icf::Reloc_info_list): New typedef.
5931         (Icf::symbol_reloc_list): Delete method.
5932         (Icf::addend_reloc_list): Delete method.
5933         (Icf::section_reloc_list): Delete method.
5934         (Icf::reloc_info_list): New method.
5935         (Icf::reloc_info_list_): New member.
5936
5937 2010-02-19  Doug Kwan  <dougkwan@google.com>
5938
5939         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5940         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5941         * arm.cc (Arm_relocation_functions): New forward declaration.
5942         (Target_arm::Target_arm): Initialize new data members
5943         got_mod_index_offset_ and tls_base_symbol_defined_.
5944         (Target_arm::Relocate::relocate_tls): New method.
5945         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5946          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5947         New methods.
5948         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5949         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5950         (Target_arm::got_mod_index_offset_,
5951         Target_arm::tls_base_symbol_defined_): New data members.
5952         (Target_arm::Scan::local, Target::Scan::global,
5953         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5954         relocations.
5955
5956 2010-02-18  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5959         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5960         text section as a parameter becuase some broken tools may not set
5961         the link in section header.
5962         (Target_arm::has_got_section): New method.
5963         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5964         without any mapping symbol as data only.  Remove warning.
5965         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5966         link in its section header, try to discover the link by inspecting the
5967         REL31 relocation at the beginning of the section.
5968         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5969         in error message.
5970         (Target_arm::Scan::global): Treat any reference to the symbol
5971         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5972
5973 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5974
5975         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5976         (Scan::global_reloc_may_be_function_pointer): New function.
5977         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5978         (Scan::global_reloc_may_be_function_pointer): New function.
5979         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5980         (Scan::global_reloc_may_be_function_pointer): New function.
5981         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5982         (Scan::global_reloc_may_be_function_pointer): New function.
5983         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5984         (Scan::global_reloc_may_be_function_pointer): New function.
5985         (Scan::possible_function_pointer_reloc): New function.
5986         (Target_x86_64::can_check_for_function_pointers): New function.
5987         * gc.h (gc_process_relocs): Scan relocation types to determine if
5988         function pointers were taken for targets that support it.
5989         * icf.cc (Icf::find_identical_sections): Include functions for
5990         folding in safe ICF whose pointer is not taken.
5991         * icf.h (Secn_fptr_taken_set): New typedef.
5992         (fptr_section_id_): New member.
5993         (section_has_function_pointers): New function.
5994         (set_section_has_function_pointers): New function.
5995         (check_section_for_function_pointers): New function.
5996         * options.h: Fix comment for safe ICF option.
5997         * target.h (can_check_for_function_pointers): New function.
5998         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5999         Modify icf_safe_test for X86-64.
6000         * testsuite/Makefile.in: Regenerate.
6001         * testsuite/icf_safe_so_test.cc: New file.
6002         * testsuite/icf_safe_so_test.sh: New file.
6003         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6004         (main): Change to take pointer to function kept_func_3.
6005         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6006         folding is done correctly for X86-64.
6007
6008 2010-02-12  David S. Miller  <davem@davemloft.net>
6009
6010         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6011         is_symbolless parameter.
6012         (Output_reloc<SHT_REL>::is_symbolless): New.
6013         (Output_reloc<SHT_REL>::is_symbolless_): New.
6014         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6015         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6016         (Output_reloc<SHT_RELA>::is_symbolless): New.
6017         (Output_data_reloc::add_global): Handle is_symbolless.
6018         (Output_data_reloc::add_global_relative): Likewise.
6019         (Output_data_reloc::add_local): Likewise.
6020         (Output_data_reloc::add_local_relative): Likewise.
6021         (Output_data_reloc::add_symbolless_global_addend): New.
6022         (Output_data_reloc::add_symbolless_local_addend): New.
6023         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6024         is_symbolless.
6025         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6026         instead of ->is_relative_
6027         (Output_reloc::write): Likewise.
6028         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6029         (Output_reloc::write_rel): Simplify.
6030
6031         * sparc.cc (Target_sparc::Scan::local): Use
6032         ->add_symbolless_local_addend as needed.
6033         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6034         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6035         based upon relocation offset.
6036
6037 2010-02-11  Doug Kwan  <dougkwan@google.com>
6038
6039         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6040         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6041         beginning of function.
6042         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6043         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6044         parameter is_32bit in calls to should_apply_static_reloc.
6045         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6046         (check_DATA): Add arm_abs_global.stdout.
6047         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6048         arm_abs_global.stdout): New rules.
6049         (MOSTLLYCLEANFILES): Add arm_abs_global
6050         * Makefile.in: Regenerate.
6051         * testsuite/arm_abs_global.s: New file.
6052         * testsuite/arm_abs_global.sh: Ditto.
6053         * testsuite/arm_abs_lib.s: Ditto.
6054
6055 2010-02-11  Ian Lance Taylor  <iant@google.com>
6056
6057         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6058         Read_relocs task.
6059         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6060         Allocate_commons_task first.
6061         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6062         task, rather than symtab_lock_.
6063         (Gc_process_relocs::~Gc_process_relocs): New function.
6064         (Gc_process_relocs::is_runnable): Check this_blocker_.
6065         (Gc_process_relocs::locks): Use next_blocker_ rather than
6066         blocker_.
6067         (Scan_relocs::~Scan_relocs): New function.
6068         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6069         symtab_lock_.
6070         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6071         next_blocker_.
6072         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6073         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6074         constructor accordingly.
6075         (class Gc_process_relocs): Likewise.
6076         (class Scan_relocs): Likewise.
6077         * common.h (class Allocate_commons_task): Remove symtab_lock_
6078         field, and corresponding constructor parameter.
6079         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6080         symtab_lock_.
6081         (Allocate_commons_task::locks): Likewise.
6082
6083 2010-02-11  Ian Lance Taylor  <iant@google.com>
6084
6085         * gold-threads.h (class Once): Define.
6086         (class Initialize_lock): Rewrite as child of Once.
6087         * gold-threads.cc (class Once_initialize): Define.
6088         (once_pointer_control): New static variable.
6089         (once_pointer, once_arg): New static variables.
6090         (c_run_once): New static function.
6091         (Once::Once, Once::run_once, Once::internal_run): New functions.
6092         (class Initialize_lock_once): Remove.
6093         (initialize_lock_control): Remove.
6094         (initialize_lock_pointer): Remove.
6095         (initialize_lock_once): Remove.
6096         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6097         (Initialize_lock::initialize): Rewrite.
6098         (Initialize_lock::do_run_once): New function.
6099         * archive.cc (Archive::interpret_header): Only clear name if it is
6100         not already empty.
6101         * fileread.cc: Include "gold-threads.h"
6102         (file_counts_lock): New static variable.
6103         (file_counts_initialize_lock): Likewise.
6104         (File_read::release): Only increment counts when using --stats.
6105         Use a lock around the increment.
6106         * parameters.cc (class Set_parameters_target_once): Define.
6107         (set_parameters_target_once): New static variable.
6108         (Parameters::Parameters): Move here from parameters.h.
6109         (Parameters::set_target): Rewrite.
6110         (Parameters::set_target_once): New function.
6111         (Parameters::clear_target): Move here and rewrite.
6112         * parameters.h (class Parameters): Update declarations.  Add
6113         set_parameters_target_once_ field.
6114         (Parameters::Parameters): Move to parameters.cc.
6115         (Parameters::clear_target): Likewise.
6116         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6117         task.
6118         (Start_group::~Start_group): New function.
6119         (Start_group::is_runnable): New function.
6120         (Start_group::locks, Start_group::run): New functions.
6121         (Finish_group::run): Change saw_undefined to size_t.
6122         * readsyms.h (class Start_group): Define.
6123         (class Finish_group): Change saw_undefined_ field to size_t.
6124         (Finish_group::Finish_group): Remove saw_undefined and
6125         this_blocker parameters.  Change all callers.
6126         (Finish_group::set_saw_undefined): New function.
6127         (Finish_group::set_blocker): New function.
6128         * symtab.h (class Symbol_table): Change saw_undefined to return
6129         size_t.  Change saw_undefined_ field to size_t.
6130         * target-select.cc (Set_target_once::do_run_once): New function.
6131         (Target_selector::Target_selector): Initialize set_target_once_
6132         field.  Don't initialize lock_ and initialize_lock_ fields.
6133         (Target_selector::instantiate_target): Rewrite.
6134         (Target_selector::set_target): New function.
6135         * target-select.h (class Set_target_once): Define.
6136         (class Target_selector): Update declarations.  Make
6137         Set_target_once a friend.  Remove lock_ and initialize_lock_
6138         fields.  Add set_target_once_ field.
6139
6140 2010-02-10  Ian Lance Taylor  <iant@google.com>
6141
6142         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6143         queueing any tasks.
6144         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6145         (queue_middle_tasks): Add all blockers before queueing any tasks.
6146         (queue_final_tasks): Likewise.
6147         * token.h (Task_token::add_blockers): New function.
6148         * object.h (Input_objects::number_of_relobjs): New function.
6149
6150 2010-02-10  Ian Lance Taylor  <iant@google.com>
6151
6152         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6153         shared, not if not position independent.
6154         * x86_64.cc (Relocate::relocate_tls): Likewise.
6155         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6156         (tls_pie_pic_test): New target.
6157         * testsuite/Makefile.in: Rebuild.
6158
6159         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6160         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6161         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6162         * testsuite/Makefile.in: Rebuild.
6163
6164 2010-02-09  David S. Miller  <davem@davemloft.net>
6165
6166         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6167         R_SPARC_RELATIVE using ->add_local_relative().
6168         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6169
6170         * output.h (Output_data_dynamic::add_section_size): New method
6171         that takes two Output_data objects.
6172         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6173         entry param.  Handle it in initializers.
6174         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6175         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6176         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6177         arg.
6178         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6179         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6180         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6181         for dynrel_includes_plt.
6182         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6183         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6184         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6185         before .rela.plt
6186         (Target_sparc::do_finalize_sections): Update to pass true for
6187         dynrel_includes_plt.
6188         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6189         output before .rela.plt
6190         (Target_powerpc::do_finalize_sections): Update to pass true for
6191         dynrel_includes_plt when 32-bit.
6192
6193 2010-02-08  Doug Kwan  <dougkwan@google.com>
6194
6195         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6196         method.
6197         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6198         Arm_relobj::scan_section_for_cortex_a8_stubs,
6199         Arm_relobj::do_relocation_section): Instead of calling
6200         Output_section::output_address, use faster
6201         Arm_relobj::simple_input_section_output_address.
6202
6203 2010-02-08  David S. Miller  <davem@davemloft.net>
6204
6205         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6206         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6207         relocation helper function.
6208
6209         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6210         just like R_SPARC_GOT{10,13,22}.
6211         (Target_sparc::Scan::local): Likewise.
6212         (Target_sparc::Relocate:relocate): Likewise.
6213
6214 2010-02-06  Ian Lance Taylor  <iant@google.com>
6215
6216         * configure.ac: Rewrite targetobjs duplicate removal code to use
6217         only shell constructs.
6218         * configure: Rebuild.
6219
6220 2010-02-05  Doug Kwan  <dougkwan@google.com>
6221
6222         PR 11247
6223         * arm.cc (Arm_relobj::section_is_scannable): New method.
6224         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6225         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6226
6227 2010-02-04  Doug Kwan  <dougkwan@google.com>
6228
6229         PR 11247
6230         * arm-reloc-property.cc (cstdio): Include.
6231         * configure.ac (targetobjs): Remove duplicates.
6232         * configure: Regenerate.
6233         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6234         big and little endian version for a given address size.
6235
6236 2010-02-03  Doug Kwan  <dougkwan@google.com>
6237
6238         * arm-reloc-property.cc
6239         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6240         definition.
6241         * arm-reloc-property.h
6242         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6243         New method definition.
6244         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6245         declaration.
6246         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6247         overflow to N.
6248         (GOT_PREL): Change implemented to Y.
6249         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6250         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6251         (Arm_relocate_functions::movw_abs_nc): Remove method.
6252         (Arm_relocate_functions::movt_abs): Ditto.
6253         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6254         (Arm_relocate_functions::thm_movt_abs): Ditto.
6255         (Arm_relocate_functions::movw_rel_nc): Ditto.
6256         (Arm_relocate_functions::movw_rel): Ditto.
6257         (Arm_relocate_functions::movt_rel): Ditto.
6258         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6259         (Arm_relocate_functions:thm_movw_rel): Ditto.
6260         (Arm_relocate_functions:thm_movt_rel): Ditto.
6261         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6262         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6263         New method definitions.
6264         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6265         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6266         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6267         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6268         (Target_arm::Relocate::relocate): Check for non-static or
6269         unimplemented relocation code and exit early.  Change calls to
6270         Target_arm::reloc_uses_thumb_bit and
6271         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6272         instead.  Refactor code to handle similar relocations to increase
6273         code sharing.  Remove check for unsupported relocation code in switch
6274         statement.
6275         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6276         relocation property table to find out size.  Change error message to
6277         print out the name of a relocation code instead of the numeric value.
6278         (Target_arm::scan_reloc_for_stub): Use relocation property table
6279         instead of calling Target_arm::reloc_uses_thumb_bit().
6280
6281 2010-02-02  Doug Kwan  <dougkwan@google.com>
6282
6283         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6284         types of relaxed input section.
6285
6286 2010-02-02  Doug Kwan  <dougkwan@google.com>
6287
6288         * Makefile.am (HFILES): Add arm-reloc-property.h.
6289         (DEFFILES): New.
6290         (TARGETSOURCES): Add arm-reloc-property.cc
6291         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6292         (libgold_a_SOURCES): $(DEFFILES)
6293         * Makefile.in: Regenerate.
6294         * arm-reloc-property.cc: New file.
6295         * arm-reloc-property.h: New file.
6296         * arm-reloc.def: New file.
6297         * arm.cc: Update comments.
6298         (arm-reloc-property.h): New included header.
6299         (arm_reloc_property_table): New global variable.
6300         (Target_arm::do_select_as_default_target): New method definition.
6301         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6302         arm-reloc-property to targ_extra_obj.
6303         * parameters.cc (set_parameters_target): Call
6304         Target::select_as_default_target().
6305         * target.h (Target::select_as_default_target): New method definition.
6306         (Target::do_select_as_default_target): Same.
6307
6308 2010-02-01  Doug Kwan  <dougkwan@google.com>
6309
6310         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6311         first_output_text_section_.
6312         (Arm_exidx_fixup::first_output_text_section): New method definition.
6313         (Arm_exidx_fixup::first_output_text_section_): New data member.
6314         (Arm_exidx_fixup::process_exidx_section): Record the first text
6315         output section seen.
6316         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6317         and entsize in output section header.
6318
6319 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6320
6321         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6322         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6323         (Arm_relocate_functions::thm_alu11): New Method.
6324         (Arm_relocate_functions::thm_pc8): New Method.
6325         (Arm_relocate_functions::thm_pc12): New Method.
6326         (Target_arm::Scan::local): Handle the relocations.
6327         (Target_arm::Scan::global): Likewise.
6328         (Target_arm::Relocate::relocate): Likewise.
6329         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6330
6331 2010-01-29  Doug Kwan  <dougkwan@google.com>
6332
6333         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6334         of relocation types as ld.
6335
6336 2010-01-29  Doug Kwan  <dougkwan@google.com>
6337
6338         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6339         to public.
6340         (Arm_relocate_functions::thumb_branch_common): Ditto.
6341         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6342         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6343         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6344         Arm_relocate_functions::jump24): Remove.
6345         (Target_arm::Relocate::relocate): Adjust code to call
6346         Arm_relocation_functions::arm_branch_common and
6347         Arm_relocation_functions::thumb_branch_common instead of their removed
6348         wrappers.  Merge switch-cases together to reduce source code size.
6349
6350 2010-01-29  Doug Kwan  <dougkwan@google.com>
6351
6352         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6353         output_local_symbol_count_needs_update_.
6354         (Arm_relobj::output_local_symbol_count_needs_update,
6355          Arm_relobj::set_output_local_symbol_count_needs_update,
6356          Arm_relobj::update_output_local_symbol_count): New methods.
6357         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6358         member.
6359         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6360         of pointed function as in a R_ARM_PREL31 relocation.
6361         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6362         for output local symbol count updating.
6363         (Target_arm::do_relax): Update output local symbol counts in objects
6364         if necessary.
6365         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6366
6367 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6368
6369         * arm.cc: Added support for the ARM relocations:
6370         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6371         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6372         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6373         movw_prel_nc).
6374         (Arm_relocate_functions::movw_rel): New method.
6375         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6376         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6377         thm_movw_prel_nc).
6378         (Arm_relocate_functions::thm_movw_rel): New method.
6379         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6380         thm_movt_prel).
6381         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6382         relocations.
6383         (Target_arm::Scan::global): Likewise.
6384         (Target_arm::Relocate::relocate): Likewise.
6385         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6386         Likewise.
6387
6388 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6389
6390         * arm.cc: Added support for ARM group relocations.
6391         (Target_arm::reloc_needs_sym_origin): New method.
6392         (Arm_relocate_functions::calc_grp_kn): New method.
6393         (Arm_relocate_functions::calc_grp_residual): New method.
6394         (Arm_relocate_functions::calc_grp_gn): New method.
6395         (Arm_relocate_functions::arm_grp_alu): New Method.
6396         (Arm_relocate_functions::arm_grp_ldr): New Method.
6397         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6398         (Arm_relocate_functions::arm_grp_ldc): New Method.
6399         (Target_arm::Scan::local): Handle the ARM group relocations.
6400         (Target_arm::Scan::global): Likewise.
6401         (Target_arm::Relocate::relocate): Likewise.
6402         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6403         Likewise.
6404
6405 2010-01-26  Doug Kwan  <dougkwan@google.com>
6406
6407         * arm.cc (set): Include.
6408         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6409         pointer type.
6410         (Arm_output_section::Text_section_list): New type.
6411         (Arm_output_section::append_text_sections_to_list): New method.
6412         (Arm_output_section::fix_exidx_coverage): Ditto.
6413         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6414         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6415         Relobj::set_section_offset() instead of
6416         Sized_relobj::invalidate_section_offset().
6417         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6418         parameter for section headers. Ignore relocation sections for
6419         unallocated sections and EXIDX sections.
6420         (Target_arm::fix_exidx_coverage): New method.
6421         (Target_arm::output_section_address_less_than): New type.
6422         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6423         linked text section instead of the EXIDX section.
6424         (Arm_output_section::create_stub_group): Add an assertion to check
6425         that this is not an EXIDX output section.
6426         (Arm_output_section::append_text_sections_to_list): New method.
6427         (Arm_output_section::fix_exidx_coverage): Ditto.
6428         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6429         Arm_relobj::section_needs_reloc_stub_scanning.
6430         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6431         first pass.
6432         (Target_arm::fix_exidx_coverage): New method.
6433         * object.h (Relobj::set_output_section): New method.
6434         (Sized_relobj::invalidate_section_offset): Remove method.
6435         (Sized_relobj::do_invalidate_section_offset): Remove method.
6436         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6437
6438 2010-01-25  Doug Kwan  <dougkwan@google.com>
6439
6440         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6441         Fix warning due to signed and unsigned comparison on a 32-bit host.
6442
6443 2010-01-22  Doug Kwan  <dougkwan@google.com>
6444
6445         * arm.cc (Target_arm::do_relax): Record an output section for section
6446         offset adjustment it contains any stub table that has changed.
6447         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6448         offsets in an output section if necessary.
6449         * output.cc (Output_section::Output_section): Initialize
6450         section_offsets_need_adjustments_.
6451         (Output_section::add_input_section_for_script): Renamed to
6452         Output_section::add_simple_input_section.
6453         (Output_section::save_states): Add a comment.
6454         (Output_section::discard_states): New method defintion.
6455         (Output_section::adjust_section_offsets): Same.
6456         * output.h (Output_section::add_input_section_for_script): Renamed to
6457         Output_section::add_simple_input_section.
6458         (Output_section::discard_states): New method declaration.
6459         (Output_section::adjust_section_offsets): Same.
6460         (Output_section::section_offsets_need_adjustment,
6461         Output_section::set_section_offsets_need_adjustment): New method
6462         definitions.
6463         (Output_section::section_offsets_need_adjustment_): New data member.
6464         * script-sections.cc
6465         (Output_section_element_input::set_section_address): Adjust code for
6466         renaming of Output_section::add_input_section_for_script.
6467         (Orphan_output_section::set_section_address): Same.
6468
6469 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6470
6471         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6472         Fix_v4bx enum values .
6473         * gold/options.h (General_options): New option definitions.
6474         (General_options::fix_v4bx): New method.
6475         (General_options::Fix_v4bx): New enum.
6476         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6477         (General_options::parse_fix_v4bx_interworking): New method.
6478
6479 2010-01-22  Doug Kwan  <dougkwan@google.com>
6480
6481         * arm.cc (Arm_exidx_fixup): New class.
6482
6483 2010-01-21  Doug Kwan  <dougkwan@google.com>
6484
6485         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6486         classes.
6487         (Arm_exidx_section_offset_map): New type.
6488
6489 2010-01-21  Doug Kwan  <dougkwan@google.com>
6490
6491         * arm.cc (Arm_exidx_input_section): New class.
6492         (Arm_relobj::exidx_input_section_by_link,
6493         Arm_relobj::exidx_input_section_by_shndx,
6494         Arm_relobj::make_exidx_input_section): New methods.
6495         (read_arm_attributes_section): Remove.
6496         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6497         information about them.
6498         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6499         to here.
6500
6501 2010-01-20  Doug Kwan  <dougkwan@google.com>
6502
6503         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6504         Input_section_specifier to Section_id.
6505         (Target_arm::new_arm_input_section: Adjust code for change of key
6506         type.
6507         (Target_arm::find_arm_input_section): Ditto.
6508         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6509         (Section_id): Remove.
6510         (Garbage_collection::Section_id_hash): Remove.
6511         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6512         (Section_id): Remove.
6513         (Icf::Section_id_hash): Remove.
6514         * object.h (Section_id, Const_section_id, Section_id_hash,
6515         Const_section_id_hash): New type definitions.
6516         * output.cc (Output_section::add_relaxed_input_section): Change to
6517         use Const_section_id instead of Input_section_specifier as key type.
6518         (Output_section::add_merge_input_section): Ditto.
6519         (Output_section::build_relaxation_map): Change to use Section_id
6520         instead of Input_section_specifier as key type.
6521         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6522         Ditto.
6523         (Output_section::convert_input_sections_to_relaxed_sections): Change
6524         to use Const_section_id instead of Input_section_specifier as key type.
6525         (Output_section::find_merge_section): Ditto.
6526         (Output_section::find_relaxed_input_section): Ditto.
6527         * output.h (Input_section_specifier): Remove class.
6528         (Output_section::Output_section_data_by_input_section_map): Change
6529         key type to Const_section_id.
6530         (Output_section::Output_relaxed_input_section_by_input_section_map):
6531         Ditto.
6532         (Output_section::Relaxation_map): Change key type to Section_id.
6533
6534 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6535
6536         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6537         (class Arm_v4bx_stub): New class.
6538         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6539         (Stub_factory::make_arm_v4bx_stub): New method.
6540         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6541         (Stub_table::empty): Handle v4bx stubs.
6542         (Stub_table::add_arm_v4bx_stub): New method.
6543         (Stub_table::find_arm_v4bx_stub): New method.
6544         (Arm_relocate_functions::v4bx): New method.
6545         (Target_arm::fix_v4bx): New method.
6546         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6547         (Stub_table::relocate_stubs): Likewise.
6548         (Stub_table::do_write): Likewise.
6549         (Stub_table::update_data_size_and_addralign): Likewise.
6550         (Stub_table::finalize_stubs):  Likewise.
6551         (Target_arm::Scan::local): Likewise.
6552         (Target_arm::Scan::global): Likewise.
6553         (Target_arm::do_finalize_sections): Likewise.
6554         (Target_arm::Relocate::relocate): Likewise.
6555         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6556         Likewise.
6557         (Target_arm::scan_reloc_for_stub): Likewise.
6558         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6559
6560 2010-01-19  Ian Lance Taylor  <iant@google.com>
6561
6562         * output.cc (Output_section_headers::do_sized_write): Write large
6563         segment count to sh_info field.
6564         (Output_file_header::do_sized_write): For large segment count,
6565         write PN_XNUM to e_phnum field.
6566
6567 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6568
6569         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6570         (Arm_relocate_functions::thm_jump8): New function.
6571         (Arm_relocate_functions::thm_jump11): New function.
6572         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6573         R_ARM_THM_JUMP11.
6574         (Target_arm::Scan::global): Likewise.
6575         (Target_arm::Relocate::relocate): Likewise.
6576         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6577         Likewise.
6578
6579 2010-01-14  Doug Kwan  <dougkwan@google.com>
6580
6581         * arm.cc (map, utility): Include headers.
6582         (Target_arm::apply_cortex_a8_workaround): New method.
6583         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6584         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6585         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6586         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6587         the --[no-]fix-cortex-a8 command line options.
6588         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6589         (Target_arm::relocate_stub): Use addend in instruction template.
6590         * options.h (DEFINE_bool): Set the user-set flag.
6591         (General_options): Add --[no-]-fix-cortex options.
6592         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6593         : Update fast look-up map after conversion.
6594
6595 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6596
6597         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6598         in the first pass of do_layout.
6599
6600 2010-01-13  Doug Kwan  <dougkwan@google.com>
6601
6602         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6603         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6604         apparent compiler problem of not folding static constant integral
6605         data members of elfcpp::Elf_sizes<32>.
6606
6607 2010-01-13  Doug Kwan  <dougkwan@google.com>
6608
6609         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6610         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6611         Arm_relobj::scan_section_for_cortex_a8_erratum,
6612         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6613         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6614         sections to scan for relocation stubs into a new method
6615         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6616         relocation and Cortex-A8 stub scanning.
6617         (Target_arm::do_relax): Force stubs to be after stubbed sections
6618         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6619         the beginning of a new relaxation pass.  Update a comment.
6620         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6621
6622 2010-01-12  Ian Lance Taylor  <iant@google.com>
6623
6624         * target-reloc.h (visibility_error): New inline function.
6625         (relocate_section): Call visibility_error.
6626         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6627         (MOSTLYCLEANFILES): Likewise.
6628         (protected_4_pic.o, protected_3.err): New targets.
6629         * testsuite/protected_4.cc: New file.
6630
6631 2010-01-12  Doug Kwan  <dougkwan@google.com>
6632
6633         * arm.cc (Cortex_a8_reloc): New class.
6634         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6635         and cortex_a8_relocs_info_.
6636         (Target_arm::fix_cortex_a8): New method definition.
6637         (Target_arm::Cortex_a8_relocs_info): New type.
6638         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6639         New data member declarations.
6640         (Target_arm::scan_reloc_for_stub): Record information about
6641         relocations for THUMB branches that might be exempted from the
6642         Cortex-A8 workaround.
6643         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6644         at the beginning of a relaxation pass.
6645
6646 2010-01-12  Doug Kwan  <dougkwan@google.com>
6647
6648         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6649         (Arm_relobj::Mapping_symbol_position,
6650          Arm_reloj::Mapping_symbol_position_less,
6651          Arm_relobj::Mapping_symbols_info): New types.
6652         (Target_arm::is_mapping_symbol_name): New method definition.
6653         (Arm_relobj::do_count_local_symbols): Save information about mapping
6654         symbols.
6655
6656 2010-01-11  Doug Kwan  <dougkwan@google.com>
6657
6658         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6659         Arm_relocate_functions::thumb32_branch_upper,
6660         Arm_relocate_functions::thumb32_branch_lower,
6661         Arm_relocate_functions::thumb32_cond_branch_offset,
6662         Arm_relocate_functions::thumb32_cond_branch_upper,
6663         Arm_relocate_functions::thumb32_cond_branch_lower,
6664         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6665         branch offset encoding.
6666         (Arm_relocate_functions::thumb_branch_common): Use new branch
6667         offset encoding methods to avoid code duplication.
6668         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6669         (Stub_addend_reader::operator()): Use new branch encoding method
6670         to avoid code duplication.
6671
6672 2010-01-11  Doug Kwan  <dougkwan@google.com>
6673
6674         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6675         (Target_arm::do_finalize_sections): Define special EXIDX section
6676         symbols only if referenced.
6677         * gc.h (Garbage_collection::add_reference): New method.
6678         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6679         code duplication.
6680
6681 2010-01-11  Ian Lance Taylor  <iant@google.com>
6682
6683         * script.cc (Version_script_info::build_expression_list_lookup):
6684         Change complaing about duplicate wildcard match from error to
6685         warning.
6686
6687         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6688         of 2009-12-30.
6689         (Version_script_info::Version_script_info): Initialize globs_,
6690         default_version_, default_is_global_, and exact_.  Don't
6691         initialize globals_ or locals_.
6692         (Version_script_info::build_lookup_tables): Build local symbols
6693         first.
6694         (Version_script_info::unquote): New function.
6695         (Version_script_info::add_exact_match): New function.
6696         (Version_script_info::build_expression_list_lookup): Remove lookup
6697         parameter.  Add is_global parameter.  Change all callers.  Handle
6698         wildcard pattern specially.  Unquote pattern.  Call
6699         add_exact_match.
6700         (Version_script_info::get_name_to_match): New function.
6701         (Version_script_info::get_symbol_version): New function.
6702         (Version_script_info::get_symbol_version_helper): Remove.
6703         (Version_script_info::check_unmatched_names): Call unquote.
6704         * script.h (class Version_script_info): Change get_symbol_version
6705         to be non-inline and add is_global parameter; change all callers.
6706         Rewrite symbol_is_local.  Update declarations.  Define struct
6707         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6708         Remove globals_ and locals_ members.  Add exact_, globs_,
6709         default_version_, is_global_.
6710         (Version_script_info::Glob): Remove pattern, add expression and
6711         is_global.  Update constructor.  Change all callers.
6712         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6713         default version.
6714         (Versions::symbol_section_contents): If a symbol is undefined, or
6715         defined in a dynamic object, set the version index to
6716         VER_NDX_LOCAL.
6717         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6718         symbol_is_local.
6719         (Symbol_table::add_from_pluginobj): Likewise.
6720         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6721
6722 2010-01-11  Doug Kwan  <dougkwan@google.com>
6723
6724         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6725         (incremental_dump_LDADD): Add linking option for libintl.
6726         * Makefile.in: Regenerate.
6727
6728 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6729
6730         PR gold/11144
6731         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6732         instead of -Ds.
6733         * testsuite/Makefile.in: Regenerated.
6734
6735 2010-01-10  Doug Kwan  <dougkwan@google.com>
6736
6737         * options.h (DEFINE_var): Use parentheses around argument varname__
6738         in macro body to avoid any unintended subsequent substitutions.
6739
6740 2010-01-10  Ian Lance Taylor  <iant@google.com>
6741
6742         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6743         candidates before doing symbol resolution.
6744
6745         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6746         ODR candidates if only one is weak.
6747
6748 2010-01-08  Ian Lance Taylor  <iant@google.com>
6749
6750         * script.cc (Version_script_info::build_expression_list_lookup):
6751         Don't warn about ambiguous version, just record the ambiguity.
6752         (Version_script_info::get_symbol_version_helper): Give error if
6753         version is ambiguous.
6754
6755 2010-01-08  Doug Kwan  <dougkwan@google.com>
6756
6757         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6758           prev_data_size_ and prev_addralign_.  Remove initializer for
6759           deleted data member has_been_changed_.
6760           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6761           to determine if the table is empty.
6762           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6763           Remove.
6764           (Stub_table::add_reloc_stub): Define method in class definition
6765           instead of just declaring it there.
6766           (Stub_table::add_cortex_a8_stub): New method definition.
6767           (Stub_table::update_data_size_and_addralign): Ditto.
6768           (Stub_table::finalize_stubs): Ditto.
6769           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6770           (Stub_table::do_addralign_): Return address alignment in the
6771           (Stub_table::do_reset_address_and_file_offset): Define method in
6772           class definition instead of declaring it there.  Set current data
6773           size to be the data size of the previous pass.
6774           (Stub_table::set_final_data_size): Use current data size as the
6775           final data size.
6776           (Stub_table::relocate_stub): Change parameter type of stub from
6777           Reloc_stub pointer to Stub pointer.
6778           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6779           (Stub_table::Cortex_a8_stub_list): New typedef.
6780           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6781            Stub_table::prev_addralign_): New data member.
6782           (Arm_relobj::Arm_relobj): Initialize data member
6783           section_has_cortex_a8_workaround_.
6784           (Arm_relobj::section_has_cortex_a8_workaround,
6785            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6786            definitions.
6787           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6788           declarations.
6789           (Target_arm::relocate_stub): Change parameter type of stub from
6790           Reloc_stub pointer to Stub pointer.
6791           (Insn_template::size, Insn_template::alignment): Handle
6792           THUMB16_SPECIAL_TYPE.
6793           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6794            Stub_table::update_data_size_and_addralign,
6795            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6796           definitions.
6797           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6798           (Stub_table::do_write): Ditto.
6799           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6800
6801 2010-01-08  Ian Lance Taylor  <iant@google.com>
6802
6803         PR 11108
6804         * symtab.h (class Symbol): Remove fields is_target_special_ and
6805         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6806         (Symbol::is_defined_in_discarded_section): New function.
6807         (Symbol::set_is_defined_in_discarded_section): New function.
6808         (Symbol::has_plt_offset): Rewrite.
6809         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6810         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6811         Don't initialize is_target_special_ or has_plt_offset_.
6812         Initialize is_defined_in_discarded_section_.
6813         (Symbol_table::add_from_relobj): If appropriate, set
6814         is_defined_in_discarded_section.
6815         * resolve.cc (Symbol::override_base_with_special): Don't test
6816         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6817         * target-reloc.h (relocate_section): Do special handling for
6818         symbols defined in discarded sections for global symbols as well
6819         as local symbols.
6820
6821 2010-01-08  Ian Lance Taylor  <iant@google.com>
6822
6823         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6824         the SHT_SYMTAB case.
6825
6826 2010-01-08  Ian Lance Taylor  <iant@google.com>
6827
6828         * object.cc (Sized_relobj::do_layout): Don't get confused if
6829         layout_eh_frame returns NULL.
6830
6831 2010-01-08  Ian Lance Taylor  <iant@google.com>
6832
6833         PR 11084
6834         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6835         dynamic symbol table, use the normal symbol table.
6836         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6837         symbol table.
6838
6839 2010-01-08  Ian Lance Taylor  <iant@google.com>
6840
6841         PR 11072
6842         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6843         sections.
6844
6845 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6846
6847         * version.cc (print_version): Change to "Copyright 2010".
6848
6849 2010-01-08  Ian Lance Taylor  <iant@google.com>
6850
6851         PR 10287
6852         PR 11063
6853         * i386.cc (class Target_i386): Change return type of plt_section
6854         to be non-const.
6855         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6856         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6857         tls_desc_rel_ field.
6858         (Output_data_plt_i386::rel_tls_desc): New function.
6859         (Target_i386::rel_tls_desc_section): New function.
6860         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6861         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6862         R_386_TLS_DESC reloc in rel_tls_desc_section.
6863         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6864         Define struct Tlsdesc_info.
6865         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6866         (Target_x86_64::do_reloc_symbol_index): New function.
6867         (Target_x86_64::add_tlsdesc_info): New function.
6868         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6869         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6870         tlsdesc_rel_ field.
6871         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6872         all callers.
6873         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6874         (Target_x86_64::rela_tlsdesc_section): New function.
6875         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6876         handling.
6877         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6878         (Target_x86_64::do_reloc_addend): New function.
6879         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6880         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6881         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6882         (Output_reloc::type): New function.
6883         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6884         (Output_reloc::is_target_specific): New function.
6885         (Output_reloc::target_arg): New function.
6886         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6887         absolute relocs and target specific relocs.
6888         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6889         add_target_specific.
6890         (class Output_data_reloc) [SHT_RELA]: Likewise.
6891         * output.cc (Output_reloc::Output_reloc): Add four new versions
6892         for absolute relocs and target specific relocs.
6893         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6894         (Output_reloc::get_symbol_index): Likewise.
6895         (Output_reloc::local_section_offset): Check that local_sym_index_
6896         is not TARGET_CODE or 0.
6897         (Output_reloc::symbol_value): Likewise.
6898         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6899         reloc.
6900         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6901         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6902         functions.
6903         * layout.cc (add_target_dynamic_tags): Use output section for
6904         DT_PLTRELSZ and DT_JMPREL.
6905
6906 2010-01-07  Ian Lance Taylor  <iant@google.com>
6907
6908         PR 11061
6909         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6910         function.
6911         (class Output_data_reloc_generic): Define.
6912         (class Output_data_reloc_base): Change base class to
6913         Output_data_reloc_generic.  Change add() method to call
6914         bump_relative_reloc_count for a relative reloc.  Remove
6915         sort_relocs_ field.
6916         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6917         to sort_relocs().
6918         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6919         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6920         appropriate.
6921         * layout.h (class Layout): Update declaration.
6922
6923 2010-01-07  Ian Lance Taylor  <iant@google.com>
6924
6925         * output.h (class Output_data): Add const version of
6926         output_section and do_output_section.
6927         (class Output_section_data): Add const version of
6928         do_output_section.
6929         (class Output_section): Likewise.
6930         * layout.cc (Layout::add_target_dynamic_tags): New function.
6931         * layout.h (class Layout): Update declarations.
6932         * arm.cc (Target_arm::do_finalize_sections): Use
6933         add_target_dynamic_tags.
6934         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6935         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6936         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6937         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6938
6939 2010-01-07  Ian Lance Taylor  <iant@google.com>
6940
6941         PR 11042
6942         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6943         object as needed.
6944
6945 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6946             Ian Lance Taylor  <iant@google.com>
6947
6948         PR 11019
6949         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6950         Xindex::read_symtab_xindex.
6951
6952 2010-01-07  Doug Kwan  <dougkwan@google.com>
6953
6954         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6955         (Insn_template::thumb16_bcond_insn): New method declaration.
6956         (Insn_template): Fix spelling.
6957         (Stub::thumb16_special): New method declaration.
6958         (Stub::do_write): Define virtual method which was previously pure
6959         virtual.
6960         (Stub::do_thumb16_special): New method declaration.
6961         (Stub::do_fixed_endian_write): New template member.
6962         (Reloc_stub::do_write): Remove.
6963         (Reloc_stub::do_fixed_endian_write): Remove.
6964         (Cortex_a8_stub): New class definition.
6965         (Stub_factory::make_cortex_a8_stub): New method definition.
6966         (Stub_factory::Stub_factory): Add missing static storage class
6967         qualifier for elf32_arm_stub_a8_veneer_blx.
6968
6969 2010-01-07  Ian Lance Taylor  <iant@google.com>
6970
6971         PR 10980
6972         * options.h (class General_options): Add --warn-unresolved-symbols
6973         and --error-unresolved-symbols.
6974         * errors.cc (Errors::undefined_symbol): Implement
6975         --warn-unresolved-symbols.
6976
6977         * options.h (class General_options): Add -z text and -z textoff.
6978         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6979
6980 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6981
6982         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6983         (Garbage_collection::cident_sections): New function.
6984         (Garbage_collection::add_cident_section): New function.
6985         (Garbage_collection::cident_sections_): New member.
6986         (gc_process_relocs): Add references to sections whose names are C
6987         identifiers.
6988         * gold.h (cident_section_start_prefix): New constant.
6989         (cident_section_stop_prefix): New constant.
6990         (is_cident): New function.
6991         * layout.cc (Layout::define_section_symbols): Replace string constants
6992         with the newly defined constants.
6993         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6994         C identifiers.
6995         * testsuite/Makefile.am: Add gc_orphan_section_test.
6996         * testsuite/Makefile.in: Regenerate.
6997         * testsuite/gc_orphan_section_test.cc: New file.
6998         * testsuite/gc_orphan_section_test.sh: New file.
6999
7000 2010-01-06  Ian Lance Taylor  <iant@google.com>
7001
7002         PR 10980
7003         * options.h (class General_options): Add --warn-shared-textrel.
7004         * layout.cc (Layout::finish_dynamic_section): Implement
7005         --warn-shared-textrel.
7006
7007         PR 10980
7008         * options.h (class General_options): Add --warn-multiple-gp.
7009
7010 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7011
7012         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7013         $(THREADSLIB) and $(LIBDL).
7014         * Makefile.in: Rebuild.
7015
7016 2010-01-06  Ian Lance Taylor  <iant@google.com>
7017
7018         PR 10980
7019         * options.cc (General_options::parse_section_start): New function.
7020         (General_options::section_start): New function.
7021         (General_options::General_options): Initialize all members.
7022         * options.h: Include <map>
7023         (class General_options): Add --section-start.  Add section_starts_
7024         member.
7025         * layout.cc (Layout::attach_allocated_section_to_segment): If
7026         --section-start was used, set the address of the segment.  Remove
7027         local sort_sections.
7028         (Layout::relaxation_loop_body): If the address of the load segment
7029         has been set by --section-start, don't use it.
7030         * output.h (Output_segment::update_flags_for_output_section): New
7031         function.
7032         * output.cc (Output_segment::add_output_section): Call
7033         update_flags_for_output_section.
7034
7035 2010-01-05  Ian Lance Taylor  <iant@google.com>
7036
7037         PR 10980
7038         * options.h (class General_options): Add --undefined-version.
7039         * script.cc (struct Version_expression): Add was_matched_by_symbol
7040         field.
7041         (Version_script_info::matched_symbol): New function.
7042         (Version_script_info::get_symbol_version_helper): Call
7043         matched_symbol.
7044         (Version_script_info::check_unmatched_names): New function.
7045         * script.h (class Version_script_info): Update declarations.
7046         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7047
7048         * options.h (class General_options): Use DEFINE_bool_alias for
7049         allow_multiple_definition.
7050         * resolve.cc (Symbol_table::should_override): Don't test
7051         allow_multiple_definition.
7052
7053         PR 10980
7054         * options.h (class General_options): Add --cref.
7055         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7056         until after printing cref table.
7057         * cref.cc: Include "symtab.h".
7058         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7059         (Cref_table_compare::operator()): New function.
7060         (Cref_inputs::gather_cref): New function.
7061         (filecol): New static const.
7062         (Cref_inputs::print_cref): New function.
7063         (Cref::print_cref): New function.
7064         * cref.h: Include <cstdio>.
7065         (class Cref): Update declarations.
7066         * mapfile.h (Mapfile::file): New function.
7067         * object.h (class Object): Define Symbols.  Declare virtual
7068         do_get_global_symbols.
7069         (Object::get_global_symbols): New function.
7070         * object.cc (Input_objects::add_object): Pass object to cref_ if
7071         --cref.
7072         (Input_objects::archive_start): Likewise.
7073         (Input_objects::archive_stop): Likewise.
7074         (Input_objects::print_cref): New function.
7075         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7076         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7077         --cref.
7078         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7079         function.
7080         * plugin.h (class Sized_pluginobj): Update declarations.
7081
7082 2010-01-05  Ian Lance Taylor  <iant@google.com>
7083
7084         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7085         to is_default_version.  Rename insdef to insdefault.
7086         (Symbol_table::add_from_relobj): Rename def to is_default_version
7087         and local to is_forced_local.
7088         (Symbol_table::add_from_pluginobj): Likewise.
7089         (Symbol_table::add_from_dynobj): Likewise.
7090         (Symbol_table::define_special_symbol): Rename insdef to
7091         insdefault.
7092
7093 2010-01-04  Ian Lance Taylor  <iant@google.com>
7094
7095         PR 10980
7096         * options.h (class General_options): Add
7097         --allow-multiple-definition and -z muldefs.
7098         * resolve.cc (Symbol_table::should_override): Don't warn about a
7099         multiple symbol definition if --allow-multiple-definition or -z
7100         muldefs.
7101
7102         PR 10980
7103         * options.h (class General_options): Add --add-needed and
7104         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7105         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7106         error if --copy-dt-needed-entries aka --add-needed is used and
7107         would cause a change in behaviour.
7108
7109         PR 10980
7110         * options.h (class General_options): Add -G as a short version of
7111         --shared.  Add no-op options -assert, -g, and -i.
7112
7113 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7114
7115         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7116         check for .text or .gnu.linkonce.t sections.
7117         * icf.cc (Icf::find_identical_sections): Ditto.
7118         Change the detection for mangled function name within the section
7119         name.
7120         * icf.h (is_section_foldable_candidate): New function.
7121
7122 2009-12-30  Ian Lance Taylor  <iant@google.com>
7123
7124         PR 10980
7125         * options.h (class General_options): Permit two dashes with
7126         --retain-symbols-file.
7127
7128 2009-12-30  Ian Lance Taylor  <iant@google.com>
7129
7130         PR 10979
7131         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7132         don't put the file header and segment headers in the text
7133         segment.
7134
7135         PR 10979
7136         * common.cc (Sort_commons::operator()): Stabilize sort when both
7137         entries are NULL.
7138         (Symbol_table::do_allocate_commons_list): When allocating common
7139         symbols, skip a symbol which is no longer common.
7140         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7141         an object before checking its type.
7142         * testsuite/common_test_2.c: New file.
7143         * testsuite/common_test_3.c: New file.
7144         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7145         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7146         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7147         (common_test_2_pic.o, common_test_2.so): New targets.
7148         (common_test_3_pic.o, common_test_3.so): New targets.
7149         * testsuite/Makefile.in: Rebuild.
7150
7151         PR 10979
7152         * script.cc (read_input_script): If we see a new SECTIONS clause,
7153         and we have added an input section, give an error.
7154         * layout.h (class Layout): Add have_added_input_section function.
7155         Add have_added_input_section_ field.
7156         * layout.cc (Layout::Layout): Initialize
7157         have_added_input_section_.
7158         (Layout::layout): Set have_added_input_section_.
7159         (Layout::layout_eh_frame): Likewise.
7160
7161 2009-12-30  Ian Lance Taylor  <iant@google.com>
7162
7163         PR 10931
7164         * options.h (class General_options): Add --sort-common option.
7165         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7166         * common.cc (Sort_common): Add sort_order parameter to
7167         constructor.  Add sort_order_ field.
7168         (Sort_commons::operator): Check sort_order_.
7169         (Symbol_table::allocate_commons): Determine the sort order.
7170         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7171         Change all callers.
7172         (Symbol_table::do_allocate_commons_list): Likewise.
7173
7174 2009-12-30  Ian Lance Taylor  <iant@google.com>
7175
7176         PR 10916
7177         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7178         symbols from this object, don't change the visibility of an
7179         undefined symbol.
7180         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7181
7182 2009-12-30  Ian Lance Taylor  <iant@google.com>
7183
7184         PR 10861
7185         * script.h (class Version_script_info): Define Language enum.
7186         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7187         new fields globals_, locals_, and is_finalized_.
7188         * script.cc: Various formatting fixes.
7189         (class Parser_closure): Change language_stack_ from a vector of
7190         std::string to one of Version_script_info::Language.  Adjust all
7191         uses accordingly.
7192         (class Lazy_demangler): Remove.
7193         (struct Version_expression): Change language from std::string to
7194         Version_script_info::Language.
7195         (Version_script_info::Version_script_info): New function.
7196         (Version_script_info::~Version_script_info): Don't call clear.
7197         (Version_script_info::finalize): New function.
7198         (Version_script_info::build_lookup_tables): New function.
7199         (Version_script_info::build_expression_list_lookup): New
7200         function.
7201         (Version_script_info::get_symbol_version_helper): Rewrite to use
7202         lookup tables.
7203         (Version_script_info::print_expression_list): Adjust to use
7204         Version_script_info::Language.
7205         (script_push_lex_into_version_mode): Check that the version script
7206         has not been finalized.
7207         (version_script_push_lang): Change language string to
7208         Version_script_info::Language.
7209         * options.cc (Command_line::version_script): New function.
7210         * options.h (class General_options): Add finalize_dynamic_list
7211         function.  Change version_script from declaration to definition.
7212         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7213         * testsuite/version_script.map: Remove duplicate def of foo.
7214         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7215         version_script.map.
7216         * testsuite/Makefile.in: Rebuild.
7217
7218 2009-12-30  Ian Lance Taylor  <iant@google.com>
7219
7220         PR 10843
7221         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7222         if the input symbol index is 0, make the output symbol index 0.
7223
7224 2009-12-30  Ian Lance Taylor  <iant@google.com>
7225
7226         PR 10670
7227         * options.h (class General_options): Add -x/--discard-all.
7228         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7229         --discard-all.  If the local symbol needs a dynamic entry, check
7230         that before handling --discard-locals.
7231
7232 2009-12-30  Ian Lance Taylor  <iant@google.com>
7233
7234         PR 10450
7235         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7236         flags to PF_R.
7237         (Output_segment::add_output_section): Don't change the flags if
7238         the type is PT_TLS.
7239
7240         PR 10450
7241         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7242         GNU hash table if they need a dynamic value.  Otherwise, don't add
7243         them if they are defined in a dynamic object or are forced local.
7244
7245 2009-12-29  Ian Lance Taylor  <iant@google.com>
7246
7247         PR 10450
7248         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7249         .gnu.hash table for a 32-bit target.
7250
7251         PR 10450
7252         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7253         regular and a dynamic object only needs a dynamic symbol table
7254         entry if it is externally visible.
7255
7256         PR 10450
7257         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7258         constructor.  Add global_offset_table_ field.
7259         (Target_i386::got_section): Set global_offset_table_.
7260         (Target_i386::do_finalize_sections): Set global_offset_table_
7261         size.
7262         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7263         in constructor.  Add global_offset_table_ field.
7264         (Target_x86_64::got_section): Set global_offset_table_.
7265         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7266         size.
7267
7268         * layout.cc (Layout::Layout): Initialize increase_relro_.
7269         (Layout::get_output_section): Add is_relro, is_last_relro, and
7270         is_first_non_relro parameters.  Change all callers.
7271         (Layout::choose_output_section): Likewise.
7272         (Layout::add_output_section_data): Likewise.
7273         (Layout::make_output_section): Likewise.
7274         (Layout::set_segment_offsets): Clear increase_relro when using a
7275         linker script.
7276         * layout.h (class Layout): Add increase_relro method.  Add
7277         increase_relro_ field.  Update declarations.
7278         * output.cc (Output_section::Output_section): Initialize
7279         is_last_relro_ and is_first_non_relro_.
7280         (Output_segment::add_output_section): Group relro sections is
7281         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7282         (Output_segment::maximum_alignment): Remove relro handling.
7283         (Output_segment::set_section_addresses): Add increase_relro
7284         parameter.  Change all callers.  Add initial alignment to align
7285         relro sections on separate page.  Remove old relro handling.
7286         (Output_segment::set_section_list_addresses): Remove in_relro
7287         parameter.  Change all callers.
7288         (Output_segment::set_offset): Add increase parameter.  Change all
7289         callers.  Remove old relro handling.
7290         * output.h (class Output_section): Add new methods: is_last_relro,
7291         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7292         Add is_last_relro_ and is_first_non_relro_ fields.
7293         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7294         Create separate .got.plt section.  Call increase_relro.
7295         * x86_64.cc (Target_x86_64::got_section): Likewise.
7296         * testsuite/relro_script_test.t: Add .got.plt.
7297
7298         PR 10450
7299         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7300         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7301         (Layout::finalize): Call set_dynamic_symbol_size.
7302         (Layout::set_dynamic_symbol_size): New function.
7303         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7304         set_dynamic_symbol_size.
7305
7306         PR 10450
7307         * output.h (class Output_section): Add is_entsize_zero_ field.
7308         * output.cc (Output_section::Output_section): Initialize
7309         is_entsize_zero_.
7310         (Output_section::set_entsize): If two different entsizes are
7311         requested, force it to zero.
7312         (Output_section::add_input_section): Set flags for .debug_str
7313         before updating section flags.  Set entsize.
7314         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7315         and SHF_STRING if all input sections have those flags.
7316
7317 2009-12-29   Rafael Espindola  <espindola@google.com>
7318
7319         * main.cc (main): Fix the sys time reporting.
7320         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7321         reporting.
7322
7323 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7324
7325         * options.cc (General_options::parse_version): Allow -v to exit
7326         without an error if there is nothing to link.
7327
7328 2009-12-29  Ian Lance Taylor  <iant@google.com>
7329
7330         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7331         using a version of gcc before 4.1.
7332         * configure: Rebuild.
7333
7334 2009-12-28  Chris Demetriou  <cgd@google.com>
7335
7336         * attributes.cc (Output_attributes_section_data::do_write): Use
7337         std::vector::front rather than std::vector::data.
7338
7339 2009-12-28  Ian Lance Taylor  <iant@google.com>
7340
7341         * symtab.h (class Symbol_table): Add enum Defined.
7342         * resolve.cc (Symbol_table::should_override): Add defined
7343         parameter.  Change all callers.  Test whether object is NULL
7344         before calling a method on it.
7345         (Symbol_table::report_resolve_problem): Add defined parameter.
7346         Change all callers.
7347         (Symbol_table::should_override_with_special): Likewise.
7348         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7349         parameter.  Change all callers.
7350         (Symbol_table::do_define_in_output_data): Likewise.
7351         (Symbol_table::define_in_output_segment): Likewise.
7352         (Symbol_table::do_define_in_output_segment): Likewise.
7353         (Symbol_table::define_as_constant): Likewise.
7354         (Symbol_table::do_define_as_constant): Likewise.
7355         * script.h (class Symbol_assignment): Add is_defsym parameter to
7356         constructor; change all callers.
7357         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7358         parameter.  Change all callers.  Add is_defsym_ field.
7359         (class Parser_closure): Add parsing_defsym parameter to
7360         constructor; change all callers.  Add parsing_defsym accessor
7361         function.  Add parsing_defsym_ field.
7362
7363 2009-12-28  Ian Lance Taylor  <iant@google.com>
7364
7365         * gold.cc (queue_middle_tasks): Fix formatting.
7366         * object.cc (Relobj::is_section_name_included): Likewise.
7367
7368 2009-12-23  Ian Lance Taylor  <iant@google.com>
7369
7370         * i386.cc (Target_i386::do_calls_non_split): Recognize
7371         -fsplit-stack prologue for a function with a static chain.
7372         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7373         -fsplit-stack prologue when using %r11.
7374
7375 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7376
7377         * options.cc (General_options::parse_version): Make -v continue and do
7378         the link like GNU ld does.
7379
7380 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7381
7382         * Makefile.am (CCFILES): Add timer.cc.
7383         (HFILES): Add timer.h.
7384         * configure.ac: Check for sysconf and times.
7385         * main.cc: include timer.h.
7386         (main): Use Timer instead of get_run_time.
7387         * timer.cc: New.
7388         * timer.h: New.
7389         * workqueue.cc: include timer.h.
7390         (Workqueue::find_and_run_task):
7391         Report user, sys and wall time.
7392         * Makefile.in: Regenerate.
7393         * config.in: Regenerate.
7394         * configure: Regenerate.
7395
7396 2009-12-16  Doug Kwan  <dougkwan@google.com>
7397
7398         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7399         sections.
7400         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7401         relaxed input sections.
7402         * output.cc (Output_section::find_relaxed_input_section): Change
7403         return type to Output_relaxed_input_section pointer.  Adjust code
7404         for new type of relaxed_input_section_map_.
7405         * output.h (Output_section::find_relaxed_input_section): Change
7406         return type to Output_relaxed_input_section pointer.
7407         (Output_section::Output_relaxed_input_section_by_input_section_map):
7408         New type.
7409         (Output_section::relaxed_input_section_map_): Change type to
7410         Output_section::Output_relaxed_input_section_by_input_section_map.
7411         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7412         input section.
7413
7414 2009-12-15  Ian Lance Taylor  <iant@google.com>
7415
7416         * layout.cc (Layout::create_shstrtab): Only write out after input
7417         sections if we are compressing debug sections.
7418
7419 2009-12-15  Ian Lance Taylor  <iant@google.com>
7420
7421         * archive.cc (Archive::add_symbols): Only look up a symbol without
7422         a version if there is, in fact, a version.
7423
7424 2009-12-14  Ian Lance Taylor  <iant@google.com>
7425
7426         Revert -Wshadow changes, all changes from:
7427         2009-12-11  Doug Kwan  <dougkwan@google.com>
7428         2009-12-11  Nick Clifton  <nickc@redhat.com>
7429         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7430
7431 2009-12-11  Doug Kwan  <dougkwan@google.com>
7432
7433         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7434         due to -Wshadow.
7435         * attributes.cc (Object_attribute::size): Ditto.
7436         (Attributes_section_data::size): Ditto.
7437         (Attributes_section_data::Attributes_section_data): Ditto.
7438         (Output_attributes_section_data::do_write): Ditto.
7439         * attributes.h (Object_attribute::set_type): Ditto.
7440         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7441
7442 2009-12-11  Nick Clifton  <nickc@redhat.com>
7443
7444         * archive.cc: Fix shadowed variable warnings.
7445         * arm.cc: Likewise.
7446         * compressed_output.cc: Likewise.
7447         * compressed_output.h: Likewise.
7448         * configure: Likewise.
7449         * dwarf_reader.cc: Likewise.
7450         * dynobj.cc: Likewise.
7451         * dynobj.h: Likewise.
7452         * ehframe.cc: Likewise.
7453         * ehframe.h: Likewise.
7454         * errors.cc: Likewise.
7455         * expression.cc: Likewise.
7456         * fileread.cc: Likewise.
7457         * fileread.h: Likewise.
7458         * freebsd.h: Likewise.
7459         * i386.cc: Likewise.
7460         * icf.cc: Likewise.
7461         * incremental.h: Likewise.
7462         * layout.cc: Likewise.
7463         * layout.h: Likewise.
7464         * mapfile.cc: Likewise.
7465         * merge.cc: Likewise.
7466         * merge.h: Likewise.
7467         * object.cc: Likewise.
7468         * object.h: Likewise.
7469         * options.h: Likewise.
7470         * output.cc: Likewise.
7471         * output.h: Likewise.
7472         * parameters.cc: Likewise.
7473         * plugin.cc: Likewise.
7474         * powerpc.cc: Likewise.
7475         * reduced_debug_output.cc: Likewise.
7476         * reduced_debug_output.h: Likewise.
7477         * reloc.cc: Likewise.
7478         * reloc.h: Likewise.
7479         * resolve.cc: Likewise.
7480         * script-sections.cc: Likewise.
7481         * script.cc: Likewise.
7482         * script.h: Likewise.
7483         * sparc.cc: Likewise.
7484         * symtab.cc: Likewise.
7485         * symtab.h: Likewise.
7486         * target-select.cc: Likewise.
7487         * target-select.h: Likewise.
7488         * token.h: Likewise.
7489         * workqueue.cc: Likewise.
7490         * workqueue.h: Likewise.
7491         * x86_64.cc: Likewise.
7492
7493 2009-12-10  Doug Kwan  <dougkwan@google.com>
7494
7495         * arm.cc (attributes.h): New include.
7496         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7497         (Arm_relobj::~Arm_relobj): Delete object pointed by
7498         attributes_section_data_.
7499         (Arm_relobj::attributes_section_data): New method definition.
7500         (Arm_relobj::attributes_section_data_): New data member declaration.
7501         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7502         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7503         attributes_section_data_.
7504         (Arm_dynobj::attributes_section_data): New method definition.
7505         (Arm_dynobj::attributes_section_data_): New data member declaration.
7506         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7507         initialization value of may_use_blx_ to false.
7508         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7509         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7510         object attributes to compute results instead of hard-coding.
7511         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7512         Target_arm::get_secondary_compatible_arch,
7513         Target_arm::set_secondary_compatible_arch
7514         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7515         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7516         New method declarations.
7517         (Target_arm::get_aeabi_object_attribute): New method definition.
7518         (Target_arm::attributes_section_data_): New data member declaration.
7519         (read_arm_attributes_section): New template definition.
7520         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7521         (Arm_dynobj::do_read_symbols): Ditto.
7522         (Target_arm::do_finalize_sections): Merge attributes sections from
7523         input.  Check for BLX use after attributes section merging.
7524         Fix __exidx_start and __exidx_end visibility.  Create an
7525         .ARM.attributes section if necessary.
7526         (Target_arm::get_secondary_compatible_arch,
7527         Target_arm::set_secondary_compatible_arch,
7528         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7529         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7530         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7531         New method definitions.
7532
7533 2009-12-09  Ian Lance Taylor  <iant@google.com>
7534
7535         * plugin.cc (Plugin::load): Don't cast from void* to a function
7536         pointer.
7537
7538 2009-12-09  Ian Lance Taylor  <iant@google.com>
7539
7540         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7541         information fields.
7542
7543 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7544
7545         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7546         Replace two_file_shared_1.so with two_file_shared_2.so.
7547         * testsuite/Makefile.in: Regenerated.
7548
7549 2009-12-08  Doug Kwan  <dougkwan@google.com>
7550
7551         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7552         (HFILES): Add attributes.h and int_encoding.h.
7553         * Makefile.in: Regenerate.
7554         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7555         function definitions to int_encoding.cc
7556         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7557         prototypes to int_encoding.h
7558         * reduced_debug_output.cc (int_encoding.h): New include.
7559         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7560         function definitions to int_encoding.cc
7561         (insert_into_vector, read_from_pointer): Move template definitions to
7562         int_encoding.h
7563         * attributes.cc: New file.
7564         * attributes.h: New file.
7565         * int_encoding.cc: New file.
7566         * int_encoding.h: New file.
7567
7568 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7569
7570         PR gold/11055
7571         * incremental-dump.cc (dump_incremental_inputs): New.
7572         (main): Use dump_incremental_inputs.
7573
7574 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7575
7576         PR gold/10893
7577         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7578         checking elfcpp::STT_FUNC.
7579         (Target_i386::Relocate::relocate): Likewise.
7580         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7581
7582         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7583         symbols from shared libraries into normal FUNC symbols.
7584
7585         * symtab.h (Symbol): Add is_func and use it.
7586
7587 2009-12-05  Doug Kwan  <dougkwan@google.com>
7588
7589         * arm.cc (Target_arm::arm_info): Initialize new fields
7590         attributes_section and attributes_vendor.
7591         * i386.cc (Target_i386::i386_info): Same.
7592         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7593         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7594         fields attributes_section and attributes_vendor.
7595         * sparc.cc (Target_sparc::sparc_info): Same.
7596         * target.h (Target::attributes_section, Target::attributes_vendor,
7597         Target::is_attributes_section, Target::attribute_arg_type,
7598         Target::attributes_order): New method definitions.
7599         (Target::Target_info::attributes_section,
7600         Target::Target_info::attributes_vendor): New fields.
7601         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7602         virtual method definitions.
7603         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7604         attributes_section and attributes_vendor.
7605         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7606
7607 2009-12-05  Doug Kwan  <dougkwan@google.com>
7608
7609         * arm.cc: Update comments about interworking and stub generation.
7610         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7611         considered as non-PIC.
7612         (Arm_relocate_functions::base_abs): Fix formatting.
7613         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7614         of function to use GOT entry address instead of offset.
7615         (Target_arm::Scan::global): Issue an error if a symbol would need a
7616         PLT does not get one because it is untyped.  Remove code to create
7617         dynamic symbols for relative branches.
7618         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7619         takes unsigned integer instead of boolean.
7620
7621 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7622
7623         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7624         (two_file_test_LDADD): Likewise.
7625         (common_test_1_LDADD): Likewise.
7626         (exception_test_LDADD) Likewise.
7627         (weak_test_LDADD): Likewise.
7628         (many_sections_test_LDADD): Likewise.
7629         (initpri1_LDADD): Likewise.
7630         (script_test_1_LDADD): Likewise.
7631         (script_test_2_LDADD): Likewise.
7632         (justsyms_LDADD): Likewise.
7633         (binary_test_LDADD): Likewise.
7634         (large_LDADD): Likewise.
7635         * testsuite/Makefile.in: Regenerated.
7636
7637 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7638
7639         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7640         (Symbol_table::override_with_special): Likewise.
7641         (Symbol_table::add_from_object): Likewise.
7642
7643 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7644
7645         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7646         Don't set the data_offset twice.
7647
7648 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7649
7650         * testsuite/Makefile.in: Regenerate.
7651
7652 2009-12-03  Doug Kwan  <dougkwan@google.com>
7653
7654         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7655         (Target_arm::do_finalize_sections): Add parameter for symbol table
7656         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7657         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7658         parameter for symbol table pointer.
7659         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7660         an additional parameter for a pointer to symbol table.
7661         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7662         parameter for a symbol table pointer.
7663         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7664         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7665         Ditto.
7666         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7667         parameter for a symbol table pointer.
7668
7669 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7670
7671         * incremental.cc (Incremental_inputs_header)
7672         (Incremental_inputs_header_write, Incremental_inputs_entry)
7673         (Incremental_inputs_entry_write): Move ...
7674         * incremental.h (Incremental_inputs_header)
7675         (Incremental_inputs_header_write, Incremental_inputs_entry)
7676         (Incremental_inputs_entry_write): here.
7677
7678 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7679
7680         * incremental.cc (make_sized_incremental_binary): Set the target.
7681         Error if it is incompatible.
7682         * output.h (Output_file): Add filename method.
7683
7684 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7685
7686         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7687         from the get_* methods.
7688
7689 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7690
7691         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7692         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7693         Write 0 for the data_offset of scripts.
7694
7695 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7696
7697         * testsuite/Makefile.am: Add the incremental_test.sh test.
7698         * testsuite/incremental_test.sh: New.
7699         * testsuite/incremental_test_1.c: New.
7700         * testsuite/incremental_test_2.c: New.
7701
7702 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7703
7704        * incremental-dump.cc (main): Fix typos.
7705
7706 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7707
7708         PR gold/11025
7709         * incremental-dump.cc (main): Use llu to print 64 bit values.
7710
7711 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7712             H.J. Lu  <hongjiu.lu@intel.com>
7713
7714         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7715         $(LIBDL).
7716         (incremental_dump_LDADD): Likewise.
7717         * Makefile.in: Regenerated.
7718
7719 2009-11-25  Doug Kwan  <dougkwan@google.com>
7720
7721         Revert:
7722
7723         2009-11-25  Doug Kwan  <dougkwan@google.com>
7724
7725                 * arm.cc (Target_arm::Target_arm): Move method definition
7726                 outside of class definition.  Add code to handle
7727                 --target1-rel, --target1-abs and --target2= options.
7728                 (Target_arm::get_reloc_reloc_type): Change method to be
7729                 non-static and const.
7730                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7731                 New data member declaration.
7732                 (Target_arm::Scan::local, Target_arm::Scan::global,
7733                 Target_arm::Relocate::relocate,
7734                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7735                 Adjust call to Target_arm::get_real_reloc_type.
7736                 (Target_arm::get_real_reloc_type): Use command line options
7737                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7738                 * options.h (--target1-rel, --target1-abs, --target2): New
7739                 ARM-only options.
7740
7741 2009-11-25  Doug Kwan  <dougkwan@google.com>
7742
7743         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7744         class definition.  Add code to handle --target1-rel, --target1-abs
7745         and --target2= options.
7746         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7747         and const.
7748         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7749         member declaration.
7750         (Target_arm::Scan::local, Target_arm::Scan::global,
7751         Target_arm::Relocate::relocate,
7752         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7753         call to Target_arm::get_real_reloc_type.
7754         (Target_arm::get_real_reloc_type): Use command line options to
7755         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7756         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7757         options.
7758
7759 2009-11-25  Doug Kwan  <dougkwan@google.com>
7760
7761         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7762         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7763         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7764         formatting.
7765         (Arm_relocate_functions::thm_call): Replace body with a call to
7766         Arm_relocate_functions::thumb_branch_common.
7767         (Arm_relocate_functions::thm_jump24,
7768         Arm_relocate_functions::thm_xpc22): New method definitions.
7769         (Arm_relocate_functions::thumb_branch_common): New method definition.
7770         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7771         operator.
7772         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7773         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7774
7775 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7776
7777         * Makefile.am: Build incremental-dump
7778         * Makefile.in: Regenerate.
7779         * incremental-dump.cc: New.
7780         * incremental.cc (Incremental_inputs_header_data,
7781         Incremental_inputs_entry_data): Move to incremental.h
7782         * incremental.h: (Incremental_inputs_header_data,
7783         Incremental_inputs_entry_data): Move from incremental.cc
7784
7785 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7786
7787         * incremental.cc (Incremental_inputs_header,
7788         Incremental_inputs_header_write, Incremental_inputs_entry,
7789         Incremental_inputs_entry_write): Add a typedef with the data type.
7790
7791 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7792
7793         * incremental.cc (Incremental_inputs_header,
7794         Incremental_inputs_header_write, Incremental_inputs_entry,
7795         Incremental_inputs_entry_write): Update comment about which
7796         type has the filed descriptions.
7797
7798 2009-11-15  Doug Kwan  <dougkwan@google.com>
7799
7800         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7801         (Arm_relocate_functions::arm_branch_common): Change method defintion
7802         in class definition to a method declaration and update list of formal
7803         parameters.
7804         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7805         Arm_relocation_functions::jump24): Adjust call to
7806         Arm_relocate_functions::arm_branch_common.  Update list of formal
7807         parameters.
7808         (Arm_relocate_functions::xpc25): New method definition.
7809         (Arm_relocate_functions::arm_branch_common): Move method defintion
7810         out from class definition.  Use stubs for mode-switching and extending
7811         branch ranges.
7812         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7813         specially.  Change code to enable use of stubs in ARM branches.
7814
7815 2009-11-10  Doug Kwan  <dougkwan@google.com>
7816
7817         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7818         in method declaration.
7819         (Target_arm::relocate_stub): New method declaration.
7820         (Target_arm::default_target): Change to return a pointer instead of
7821         a const reference.
7822         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7823         Target_arm::default_target.
7824         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7825         method definition.
7826         (Target_arm::relocate_section): Adjust view.
7827         (Target_arm::relocate_stub): New method definition.
7828
7829 2009-11-10  Doug Kwan  <dougkwan@google.com>
7830
7831         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7832         a format warning.
7833         * incremental.cc (open_incremental_binary): Initialized local
7834         variables to avoid warnings.
7835         * object.cc (make_elf_object): Ditto.
7836         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7837         a format warning.
7838
7839 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7840
7841         PR gold/10930
7842         * testsuite/plugin_test.c: Include "config.h".
7843
7844 2009-11-09  Doug Kwan  <dougkwan@google.com>
7845
7846         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7847         (arm_symbol_value): Remove.
7848         (Arm_relocate_functions::arm_branch_common,
7849         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7850         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7851         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7852         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7853         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7854         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7855         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7856         Arm_relocate_functions::thm_mobw_abs_nc,
7857         Arm_relocate_functions::thm_mov_abs,
7858         Arm_relocate_functions::movw_prel_nc,
7859         Arm_relocate_functions::thm_movt_abs,
7860         Arm_relocate_functions::movt_prel,
7861         Arm_relocate_functions::thm_movw_prel_nc,
7862         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7863         (Target_arm::Relocate::relocate): Only decompose address into two
7864         parts if relocation type uses the thumb-bit and pass the actual
7865         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7866         calls to methods in Arm_relocate_functions for this change.
7867
7868 2009-11-08  Ian Lance Taylor  <iant@google.com>
7869
7870         PR 10925
7871         * reloc.cc: Instantiate
7872         Sized_relobj::initialize_input_to_output_maps and
7873         Sized_relobj:free_input_to_output_maps.
7874
7875 2009-11-06  Ian Lance Taylor  <iant@google.com>
7876
7877         PR 10876
7878         * defstd.cc (in_segment): Set only_if_ref true for "end".
7879
7880 2009-11-06  Doug Kwan  <dougkwan@google.com>
7881
7882         * arm.cc (class Reloc_stub): Correct a comment.
7883         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7884         (Target_arm::scan_section_for_stubs): New method declaration.
7885         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7886         Change methods from private to protected.
7887         (Target_arm::do_may_relax): New method definition.
7888         (Target_arm::do_relax, Target_arm::group_sections,
7889         Target_arm::scan_reloc_for_stub,
7890         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7891         (Target_arm::arm_input_section_map_): New data member declaration.
7892         (Target_arm::scan_reloc_for_stub,
7893         Target_arm::scan_reloc_section_for_stubs,
7894         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7895         Target_arm::do_relax): New method definitions.
7896
7897 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7898
7899         * configure.ac: Check for (struct stat)::st_mtim
7900         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7901         * config.in: Regenerate.
7902         * configure: Regenerate.
7903
7904 2009-11-05  Ian Lance Taylor  <iant@google.com>
7905
7906         PR 10910
7907         * output.cc (Output_segment::add_output_section): Add missing
7908         return statement.
7909
7910 2009-11-04  Ian Lance Taylor  <iant@google.com>
7911
7912         PR 10880
7913         * object.h (class Object): Add is_needed and set_is_needed
7914         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7915         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7916         defined in a dynamic object and referenced by a regular object,
7917         set is_needed for the dynamic object.
7918         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7919         if the file is marked with as_needed and it is not needed.
7920
7921 2009-11-04  Ian Lance Taylor  <iant@google.com>
7922
7923         PR 10887
7924         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7925         tags if data is discarded by linker script.
7926         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7927         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7928         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7929         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7930
7931 2009-11-04  Ian Lance Taylor  <iant@google.com>
7932
7933         * layout.cc (Layout::get_output_section): Add is_interp and
7934         is_dynamic_linker_section parameters.  Change all callers.
7935         (Layout::choose_output_section): Likewise.
7936         (Layout::make_output_section): Likewise.
7937         (Layout::add_output_section_data): Add is_dynamic_linker_section
7938         parameter.  Change all callers.
7939         * layout.h (class Layout): Update declarations.
7940         * output.h (class Output_section): Add is_interp, set_is_interp,
7941         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7942         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7943         generate_code_fills_at_write_ to a bitfield.
7944         * output.cc (Output_section::Output_sections): Initialize new
7945         fields.
7946         (Output_segment::add_output_section): Add do_sort parameter.
7947         Change all callers.
7948
7949 2009-11-03  Ian Lance Taylor  <iant@google.com>
7950
7951         PR 10860
7952         * options.h (class General_options): Add --warn-common.
7953         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7954         merging two common symbols.
7955         (Symbol_table::should_override): Handle --warn-common when merging
7956         a common symbol with a defined symbol.  Use report_resolve_problem
7957         for multiple definitions.
7958         (Symbol_table::report_resolve_problem): New function.
7959         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7960
7961 2009-11-03  Doug Kwan  <dougkwan@google.com>
7962
7963         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7964         stub_factory_.
7965         (Target_arm::stub_factory): New method definition.
7966         (Target_arm::new_arm_input_section,
7967         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7968         Target_arm::reloc_uses_thumb_bit): New method declarations.
7969         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7970         New type definitions.
7971         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7972         member declarations.
7973         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7974         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7975         New method definitions.
7976
7977 2009-11-03  Ian Lance Taylor  <iant@google.com>
7978
7979         * options.h (class General_options): Add --warn_constructors.
7980
7981 2009-11-03  Ian Lance Taylor  <iant@google.com>
7982
7983         PR 10893
7984         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7985         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7986
7987 2009-11-03  Ian Lance Taylor  <iant@google.com>
7988
7989         PR 10895
7990         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7991         --msgid-bugs-address.
7992         (install-pdf): New target.
7993         (install-data_yes): Look up one directory to find mkinstalldirs.
7994
7995 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7996
7997         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7998         tree.
7999
8000 2009-10-30  Doug Kwan  <dougkwan@google.com>
8001
8002         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8003
8004 2009-10-30  Doug Kwan  <dougkwan@google.com>
8005
8006         * arm.cc (Stub_addend_reader): New struct template definition
8007         and partial specializations.
8008         (Stub_addend_reader::operator()): New method definition for a
8009         partially specialized template.
8010
8011 2009-10-30  Doug Kwan  <dougkwan@google.com>
8012
8013         * arm.cc (Arm_relobj::processor_specific_flags): New method
8014         definition.
8015         (Arm_relobj::do_read_symbols): New method declaration.
8016         (Arm_relobj::processor_specific_flags_): New data member declaration.
8017         (Arm_dynobj): New class definition.
8018         (Target_arm::do_finalize_sections): Add input_objects parameter.
8019         (Target_arm::do_adjust_elf_header): New method declaration.
8020         (Target_arm::are_eabi_versions_compatible,
8021         (Target_arm::merge_processor_specific_flags): New method declaration.
8022         (Target_arm::do_make_elf_object): New overloaded method definitions
8023         and declaration.
8024         (Arm_relobj::do_read_symbols): New method definition.
8025         (Arm_dynobj::do_read_symbols): Ditto.
8026         (Target_arm::do_finalize_sections): Add input_objects parameters.
8027         Merge processor-specific flags from all input objects.
8028         (Target_arm::are_eabi_versions_compatible,
8029         Target_arm::merge_processor_specific_flags,
8030         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8031         New method definitions.
8032         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8033         Input_objects pointer type parameter.
8034         * layout.cc (Layout::finalize): Pass input objects to target's.
8035         finalize_sections function.
8036         * output.cc (Output_file_header::do_sized_write): Set ELF file
8037         header's processor-specific flags.
8038         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8039         Input_objects pointer type parameter.
8040         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8041         * target.h (Input_objects): New forward class declaration.
8042         (Target::processor_specific_flags,
8043         Target::are_processor_specific_flags_sect): New method definitions.
8044         (Target::finalize_sections): Add input_objects parameter.
8045         (Target::Target): Initialize processor_specific_flags_ and
8046         are_processor_specific_flags_set_.
8047         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8048         parameter.
8049         (Target::set_processor_specific_flags): New method definition.
8050         (Target::processor_specific_flags_,
8051         Target::are_processor_specific_flags_set_): New data member
8052         declarations.
8053         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8054         Input_objects pointer type parameter.
8055
8056 2009-10-30  Doug Kwan  <dougkwan@google.com>
8057
8058         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8059
8060 2009-10-28  Ian Lance Taylor  <iant@google.com>
8061
8062         * object.h (class Relobj): Drop options parameter from
8063         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8064         do_scan_relocs, do_relocate.  Change all callers.
8065         (class Sized_relobj): Drop options parameters from
8066         do_gc_process_relocs, do_scan_relocs, do_relocate,
8067         do_relocate_sections, relocate_sections, emit_relocs_scan,
8068         emit_relocs_scan_reltype.  Change all callers.
8069         (struct Relocate_info): Remove options field and all references to
8070         it.
8071         * reloc.h (class Read_relocs): Remove options constructor
8072         parameter and options_ field.  Change all callers.
8073         (class Gc_process_relocs, class Scan_relocs): Likewise.
8074         (class Relocate_task): Likewise.
8075         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8076         all callers.
8077         (scan_relocatable_relocs): Likewise.
8078         * target.h (class Sized_target): Remove options parameter from
8079         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8080         all callers.
8081         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8082         callers.
8083         * arm.cc: Update functions to remove options parameters.
8084         * i386.cc: Likewise.
8085         * powerpc.cc: Likewise.
8086         * sparc.cc: Likewise.
8087         * x86_64.cc: Likewise.
8088         * testsuite/testfile.cc: Likewise.
8089
8090 2009-10-28  Doug Kwan  <dougkwan@google.com>
8091
8092         * arm.cc (Arm_relobj): New class definition.
8093         (Arm_relobj::scan_sections_for_stubs,
8094         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8095         New method definitions.
8096
8097 2009-10-28  Cary Coutant  <ccoutant@google.com>
8098
8099         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8100         (Plugin::cleanup_done_): New member.
8101         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8102         (Plugin_manager::cleanup_done_): Remove.
8103         (Plugin_manager::add_input_file): Edit error message.
8104         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8105         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8106
8107 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8108
8109         * fileread.cc: (File_read::View::~View): Use the new
8110         data_ownership_ filed.
8111         (File_read::~File_read): Dispose the new whole_file_view_.
8112         (File_read::open): Mmap the whole file if needed.
8113         (File_read::open): Use whole_file_view_ instead of contents_.
8114         (File_read::find_view): Use whole_file_view_ if applicable.
8115         (File_read::do_read): Use whole_file_view_ instead of contents_.
8116         (File_read::make_view): Use whole_file_view_ instead of contents_,
8117         update File_read::View::View call.
8118         (File_read::find_or_make_view): Update File_read::View::View
8119         call.
8120         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8121         remove contents_
8122         (File_read::View::Data_ownership): New enum.
8123         (File_read::View::View): Replace bool mapped_ with Data_ownership
8124         argument.
8125         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8126         (File_read::View::data_ownership_): New field.
8127         (File_read::contents_): Remove (replaced by whole_file_view_).
8128         (File_read::whole_file_view_): New field.
8129         * options.h (class General_options): Add --keep-files-mapped.
8130
8131 2009-10-27  Cary Coutant  <ccoutant@google.com>
8132
8133         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8134         * testsuite/Makefile.am (plugin_test_5): New test case.
8135         * testsuite/Makefile.in: Regenerate.
8136
8137 2009-10-25  Doug Kwan  <dougkwan@google.com>
8138
8139         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8140         from private to protected to allow access by child class.
8141         (Sized_relobj::do_relocate_sections): New method declaration.
8142         (Sized_relobj::relocate_sections): Virtualize.
8143         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8144         Sized_relobj::relocate_sections.  Instantiate template explicitly
8145         for different target sizes and endianity.
8146
8147 2009-10-24  Doug Kwan  <dougkwan@google.com>
8148
8149         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8150         (Arm_input_section::as_arm_input_section): New method.
8151         (Arm_output_section): New class definition.
8152         (Arm_output_section::create_stub_group,
8153         Arm_output_section::group_sections): New method definitions.
8154
8155 2009-10-22  Doug Kwan  <dougkwan@google.com>
8156
8157         * arm.cc (Arm_input_section): New class definition.
8158         (Arm_input_section::init, Arm_input_section:do_write,
8159         Arm_input_section::set_final_data_size,
8160         Arm_input_section::do_reset_address_and_file_offset): New method
8161         definitions.
8162
8163 2009-10-21  Doug Kwan  <dougkwan@google.com>
8164
8165         * arm.cc (Stub_table, Arm_input_section): New forward class
8166         declarations.
8167         (Stub_table): New class defintion.
8168         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8169         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8170         New method definition.
8171
8172 2009-10-21  Doug Kwan  <dougkwan@google.com>
8173
8174         * arm.cc: Update copyright comments.
8175         (Target_arm): New forward class template declaration.
8176         (Arm_address): New type.
8177         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8178         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8179         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8180         constants.
8181         (Insn_template): Same.
8182         (DEF_STUBS): New macro.
8183         (Stub_type): New enum type.
8184         (Stub_template): New class definition.
8185         (Stub): Same.
8186         (Reloc_stub): Same.
8187         (Stub_factory): Same.
8188         (Target_arm::Target_arm): Initialize may_use_blx_ and
8189         should_force_pic_veneer_.
8190         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8191         Target_arm::should_force_pic_veneer,
8192         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8193         Target_arm::using_thumb_only, Target_arm:;default_target): New
8194         method defintions.
8195         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8196         New data member declarations.
8197         (Insn_template::size, Insn_template::alignment): New method defintions.
8198         (Stub_template::Stub_template): New method definition.
8199         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8200         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8201         (Stub_factory::Stub_factory): New method definition.
8202         * gold.h (string_hash): New template.
8203         * output.h (Input_section_specifier::hash_value): Use
8204         gold::string_hash.
8205         (Input_section_specifier::string_hash): Remove.
8206         * stringpool.cc (Stringpool_template::string_hash): Use
8207         gold::string_hash.
8208
8209 2009-10-20  Doug Kwan  <dougkwan@google.com>
8210
8211         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8212         symbols of relaxed input sections.
8213         * output.h (Output_section::find_relaxed_input_section): Make
8214         method public.
8215
8216 2009-10-16  Doug Kwan  <dougkwan@google.com>
8217
8218         * dynobj.cc (Versions::Versions): Initialize version_script_.
8219         Only insert base version symbol definition for a shared object
8220         if version script defines any version versions.
8221         (Versions::define_base_version): New method definition.
8222         (Versions::add_def): Check that base version is not needed.
8223         (Versions::add_need): Define base version lazily.
8224         * dynobj.h (Versions::define_base_version): New method declaration.
8225         (Versions::needs_base_version_): New data member declaration.
8226         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8227         (check_DATA): Add no_version_test.stdout.
8228         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8229         New make rules.
8230         * testsuite/Makefile.in: Regenerate.
8231         * testsuite/no_version_test.c: New file.
8232         * testsuite/no_version_test.sh: Ditto.
8233
8234 2009-10-16  Doug Kwan  <dougkwan@google.com>
8235
8236         * expression.cc (class Segment_start_expression): New class definition.
8237         (Segment_start_expression::value): New method definition.
8238         (script_exp_function_segment_start): Return a new
8239         Segment_start_expression.
8240         * gold/script-c.h (script_saw_segment_start_expression): New function
8241         prototype.
8242         * script-sections.cc (Script_sections::Script_sections): Initialize
8243         SAW_SEGMENT_START_EXPRESSION_ to false.
8244         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8245         and -Tbbs options to specify section addresses if given in
8246         command line and no SEGMENT_START expression is seen in a script.
8247         * script-sections.h (Script_sections::saw_segment_start_expression,
8248         Script_sections::set_saw_segment_start_expression): New method
8249         definition.
8250         (Script_sections::saw_segment_start_expression_): New data member
8251         declaration.
8252         * script.cc (script_saw_segment_start_expression): New function.
8253         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8254         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8255         script_test_7.sh and script_test_8.sh.
8256         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8257         script_test_8.stdout.
8258         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8259         (script_test_6, script_test_6.stdout, script_test_7,
8260         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8261         * Makefile.in: Regenerate.
8262         * testsuite/script_test_6.sh: New file.
8263         * testsuite/script_test_6.t: Same.
8264         * testsuite/script_test_7.sh: Same.
8265         * testsuite/script_test_7.t: Same.
8266         * testsuite/script_test_8.sh: Same.
8267
8268 2009-10-16  Doug Kwan  <dougkwan@google.com>
8269
8270         * output.cc (Output_segment::set_section_list_address): Cast
8271         expressions to unsigned long long type to avoid format warnings.
8272
8273 2009-10-15  Ian Lance Taylor  <iant@google.com>
8274
8275         * script.cc (Script_options::add_symbol_assignment): Always add a
8276         dot assignment to script_sections_.
8277         * script-sections.cc (Script_sections::add_dot_assignment):
8278         Initialize if necessary.
8279
8280         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8281         program headers with no load segment if there is a linker script.
8282
8283         * layout.cc (Layout::set_segment_offsets): Align the file offset
8284         to the segment aligment for -N or -n with no load segment.
8285         * output.cc (Output_segment::add_output_section): Don't crash if
8286         the first section is a TLS section.
8287         (Output_segment::set_section_list_addresses): Print an error
8288         message if the address moves backward in a linker script.
8289         * script-sections.cc
8290         (Output_section_element_input::set_section_addresses): Don't
8291         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8292         (Orphan_output_section::set_section_addresses): Likewise.
8293
8294 2009-10-15  Doug Kwan  <dougkwan@google.com>
8295
8296         * layout.cc (Layout::finish_dynamic_section): Generate tags
8297         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8298         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8299         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8300
8301 2009-10-14  Ian Lance Taylor  <iant@google.com>
8302
8303         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8304         fields.
8305         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8306         data_shdr fields of relinfo.
8307         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8308         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8309         R_386_TLS_LDO_32, adjust based on section flags.
8310         (Target_i386::Relocate::fix_up_ldo): Remove.
8311
8312 2009-10-13  Ian Lance Taylor  <iant@google.com>
8313
8314         Add support for -pie.
8315         * options.h (class General_options): Add -pie and
8316         --pic-executable.
8317         (General_options::output_is_position_independent): Test -pie.
8318         (General_options::output_is_executable): Return true if not shared
8319         and not relocatable.
8320         (General_options::output_is_pie): Remove.
8321         * options.cc (General_options::finalize): Reject incompatible uses
8322         of -pie.
8323         * gold.cc (queue_middle_tasks): A -pie link is not static.
8324         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8325         * symtab.cc (Symbol::final_value_is_known): Return false if
8326         output_is_position_independent.
8327         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8328         output_is_position_independent.
8329         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8330         output_is_position_independent.
8331         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8332         output_is_position_independent.
8333         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8334         two_file_pie_test.
8335         (basic_pie_test.o, basic_pie_test): New targets.
8336         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8337         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8338         (two_file_pie_test): New target.
8339         * testsuite/Makefile.in: Rebuild.
8340         * README: Remove note saying that -pie is not supported.
8341
8342 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8343
8344         * options.h (class General_options): Add -init and -fini.
8345         * layout.cc (Layout::finish_dynamic_section): Emit
8346         given init and fini functions.
8347
8348 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8349
8350         * gc.h (gc_process_relocs): Check if icf is enabled using new
8351         function.
8352         * gold.cc (queue_initial_tasks): Likewise.
8353         (queue_middle_tasks): Likewise.
8354         * object.cc (do_layout): Likewise.
8355         * symtab.cc (is_section_folded): Likewise.
8356         * main.cc (main): Likewise.
8357         * reloc.cc (Read_relocs::run): Likewise.
8358         (Sized_relobj::do_scan_relocs): Likewise.
8359         * icf.cc (is_function_ctor_or_dtor): New function.
8360         (Icf::find_identical_sections): Check if function is ctor or dtor when
8361         safe icf is chosen.
8362         * options.h (General_options::icf): Change option to be an enum.
8363         (Icf_status): New enum.
8364         (icf_enabled): New method.
8365         (icf_safe_folding): New method.
8366         (set_icf_status): New method.
8367         (icf_status_): New variable.
8368         * (options.cc) (General_options::finalize): Set icf_status_.
8369         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8370         icf_test and icf_keep_unique_test to use the --icf enum flag.
8371         * testsuite/icf_safe_test.sh: New file.
8372         * testsuite/icf_safe_test.cc: New file.
8373
8374 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8375
8376         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8377         includes to gc.h and icf.h.
8378         * arm.cc: Include gc.h.
8379         * gold.cc: Likewise.
8380         * i386.cc: Likewise.
8381         * powerpc.cc: Likewise.
8382         * sparc.cc: Likewise.
8383         * x86_64.cc: Likewise.
8384         * gc.h: Include icf.h.
8385
8386 2009-10-11  Ian Lance Taylor  <iant@google.com>
8387
8388         * plugin.cc: Include "gold.h" before other header files.
8389
8390 2009-10-10  Chris Demetriou  <cgd@google.com>
8391
8392         * options.h (Input_file_argument::Input_file_type): New enum.
8393         (Input_file_argument::is_lib_): Replace with...
8394         (Input_file_argument::type_): New member.
8395         (Input_file_argument::Input_file_argument): Take Input_file_type
8396         'type' rather than boolean 'is_lib' as second argument.
8397         (Input_file_argument::is_lib): Use type_.
8398         (Input_file_argument::is_searched_file): New function.
8399         (Input_file_argument::may_need_search): Handle is_searched_file.
8400         * options.cc (General_options::parse_library): Support -l:filename.
8401         (General_options::parse_just_symbols): Update for Input_file_argument
8402         changes.
8403         (Command_line::process): Likewise.
8404         * archive.cc (Archive::get_file_and_offset): Likewise.
8405         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8406         * script.cc (read_script_file, script_add_file): Likewise.
8407         * fileread.cc (Input_file::Input_file): Likewise.
8408         (Input_file::will_search_for): Handle is_searched_file.
8409         (Input_file::open): Likewise.
8410         * readsyms.cc (Read_symbols::get_name): Likewise.
8411         * testsuite/Makefile.am (searched_file_test): New test.
8412         * testsuite/Makefile.in: Regenerate.
8413         * testsuite/searched_file_test.cc: New file.
8414         * testsuite/searched_file_test_lib.cc: New file.
8415
8416 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8417             Ian Lance Taylor  <iant@google.com>
8418
8419         * descriptor.cc: Include <cstdio> and "binary-io.h".
8420         (Descriptors::open): Open the files in binary mode always.
8421         * script.cc (Lex::get_token): Treat \r as whitespace.
8422
8423 2009-10-09  Ian Lance Taylor  <iant@google.com>
8424
8425         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8426
8427 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8428             Ian Lance Taylor  <iant@google.com>
8429
8430         * configure.ac: Check for readv function also.
8431         * fileread.cc (readv): Define if not HAVE_READV.
8432         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8433         does not exist.
8434         * config.in: Regenerate.
8435         * configure: Regenerate.
8436
8437 2009-10-09  Doug Kwan  <dougkwan@google.com>
8438
8439         * layout.cc (Layout::make_output_section): Call target hook to make
8440         ordinary output section.
8441         (Layout::finalize): Adjust parameter list of call the
8442         Target::may_relax().
8443         * layout.h (class Layout::section_list): New method.
8444         * merge.h (Output_merge_base::entsize): Change visibility to public.
8445         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8446         New methods.
8447         (Output_merge_string::do_is_string): New method.
8448         * object.cc (Sized_relobj::do_setup): renamed from
8449         Sized_relobj::set_up.
8450         * object.h (Sized_relobj::adjust_shndx,
8451         Sized_relobj::initializ_input_to_output_maps,
8452         Sized_relobj::free_input_to_output_maps): Change visibilities to
8453         protected.
8454         (Sized_relobj::setup): Virtualize.
8455         (Sized_relobj::do_setup): New method declaration.
8456         (Sized_relobj::invalidate_section_offset,
8457         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8458         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8459         * options.cc (parse_int): New function.
8460         * options.h (parse_int): New declaration.
8461         (DEFINE_int): New macro.
8462         (stub_group_size): New option.
8463         * output.cc (Output_section::Output_section): Initialize memebers
8464         merge_section_map_, merge_section_by_properties_map_,
8465         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8466         (Output_section::add_input_section): Handled deferred code-fill
8467         generation and remove an old comment.
8468         (Output_section::add_relaxed_input_section): New method definition.
8469         (Output_section::add_merge_input_section): Use merge section by
8470         properties map to speed to search.  Update merge section maps
8471         as appropriate.
8472         (Output_section::build_relaxation_map): New method definition.
8473         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8474         Same.
8475         (Output_section::relax_input_section): Renamed to
8476         Output_section::convert_input_sections_to_relaxed_sections and change
8477         interface to take a vector of pointers to relaxed sections.
8478         (Output_section::find_merge_section,
8479         Output_section::find_relaxed_input_section): New method definitions.
8480         (Output_section::is_input_address_mapped,
8481         Output_section::output_offset, Output_section::output_address):
8482         Use output section data maps to speed up searching.
8483         (Output_section::find_starting_output_address): Add comments.
8484         (Output_section::do_write,
8485         Output_section::write_to_postprocessing_buffer): Do code-fill
8486         generation as appropriate.
8487         (Output_section::get_input_sections): Invalidate relaxed input section
8488         map.
8489         (Output_section::restore_states): Adjust type of checkpoint .
8490         Invalidate relaxed input section map.
8491         * output.h (Output_merge_base): New class declaration.
8492         (Input_section_specifier): New class defintion.
8493         (class Output_relaxed_input_section) Change base class to
8494         Output_section_data_build.
8495         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8496         base class initializer.
8497         (Output_section::add_relaxed_input_section): New method declaration.
8498         (Output_section::Input_section): Change visibility to protected.
8499         (Output_section::Input_section::relobj,
8500         Output_section::Input_section::shndx): Handle relaxed input sections.
8501         Output_section::input_sections) Change visibility to protected.  Also
8502         define overload to return a non-const pointer.
8503         (Output_section::Merge_section_properties): New class defintion.
8504         (Output_section::Merge_section_by_properties_map,
8505         Output_section::Output_section_data_by_input_section_map,
8506         Output_section::Relaxation_map): New types.
8507         (Output_section::relax_input_section): Rename method to
8508         Output_section::convert_input_sections_to_relaxed_sections and change
8509         interface to take a vector of relaxed section pointers.
8510         (Output_section::find_merge_section,
8511         Output_section::find_relaxed_input_section,
8512         Output_section::build_relaxation_map,
8513         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8514         New method declarations.
8515         (Output_section::merge_section_map_
8516         Output_section::merge_section_by_properties_map_,
8517         Output_section::relaxed_input_section_map_,
8518         Output_section::is_relaxed_input_section_map_valid_,
8519         Output_section::generate_code_fills_at_write_): New data members.
8520         * script-sections.cc
8521         (Output_section_element_input::set_section_addresses): Call
8522         current_data_size and addralign methods of relaxed input sections.
8523         (Orphan_output_section::set_section_addresses): Call current_data_size
8524         and addralign methods of relaxed input sections.
8525         * symtab.cc (Symbol_table::compute_final_value): Extract template
8526         from the body of Symbol_table::sized_finalize_symbol.
8527         (Symbol_table::sized_finalized_symbol): Call
8528         Symbol_table::compute_final_value.
8529         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8530         (Symbol_table::compute_final_value): New templated method declaration.
8531         * target.cc (Target::do_make_output_section): New method defintion.
8532         * target.h (Target::make_output_section): New method declaration.
8533         (Target::relax): Add more parameters for input objects, symbol table
8534         and layout.  Adjust call to do_relax.
8535         (Target::do_make_output_section): New method declaration.
8536         (Target::do_relax): Add parameters for input objects, symbol table
8537         and layout.
8538
8539 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8540
8541         * pread.c: Include stdio.h.
8542
8543 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8544
8545         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8546         defined.
8547
8548 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8549
8550         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8551         Change read_shndx type to unsigned int.
8552         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8553         int.
8554         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8555         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8556         Change read_shndx type to unsigned int.
8557         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8558         int.
8559         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8560         * layout.cc (Layout::create_symtab_sections): Cast the result of
8561         local_symcount * symsize to off_t in the gold_assert.
8562
8563 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8564
8565         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8566         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8567         R_ARM_BASE_ABS.
8568         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8569         (Arm_relocate_functions::thm_abs5): New function.
8570         (Arm_relocate_functions::abs12): New function.
8571         (Arm_relocate_functions::abs16): New function.
8572         (Arm_relocate_functions::base_abs): New function.
8573         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8574         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8575         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8576         R_ARM_BASE_ABS.
8577         (Scan::global): Likewise.
8578         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8579         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8580         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8581         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8582         R_ARM_BASE_ABS.
8583
8584 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8585
8586         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8587         (Arm_relocate_functions::movt_prel): New function.
8588         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8589         (Arm_relocate_functions::thm_movt_prel): New function.
8590         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8591         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8592         (Scan::global, Relocate::relocate): Likewise.
8593         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8594
8595 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8596
8597         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8598         Incremental_checker.
8599         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8600         unsigned int.
8601         (class Incremental_inputs_header): New class.
8602         (Incremental_inputs_header_writer): Edit comment.
8603         (Incremental_inputs_entry): New class.
8604         (Incremental_inputs_entry_writer): Edit comment.
8605         (Sized_incremental_binary::do_find_incremental_inputs_section):
8606         Add *strtab_shndx parameter, fill it.
8607         (Sized_incremental_binary::do_check_inputs): New method.
8608         (Incremental_checker::can_incrementally_link_output_file): Use
8609         Sized_incremental_binary::check_inputs.
8610         (Incremental_inputs::report_command_line): Save command line in
8611         command_line_.
8612         * incremental.h:
8613         (Incremental_binary::find_incremental_inputs_section): New
8614         method.
8615         (Incremental_binary::do_find_incremental_inputs_section): Add
8616         strtab_shndx parameter.
8617         (Incremental_binary::do_check_inputs): New pure virtual method.
8618         (Sized_incremental_binary::do_check_inputs): Declare.
8619         (Incremental_checker::Incremental_checker): Add incremental_inputs
8620         parameter, use it to initialize incremental_inputs_.
8621         (Incremental_checker::incremental_inputs_): New field.
8622         (Incremental_checker::command_line): New method.
8623         (Incremental_checker::inputs): New method.
8624         (Incremental_checker::command_line_): New field.
8625
8626 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8627
8628         * incremental.cc: Include <cstdarg> and "target-select.h".
8629         (vexplain_no_incremental): New function.
8630         (explain_no_incremental): New function.
8631         (Incremental_binary::error): New method.
8632         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8633         method.
8634         (make_sized_incremental_binary): New function.
8635         (open_incremental_binary): New function.
8636         (can_incrementally_link_file): Add checks if output is ELF and has
8637         inputs section.
8638         * incremental.h: Include "elfcpp_file.h" and "output.h".
8639         (Incremental_binary): New class.
8640         (Sized_incremental_binary): New class.
8641         (open_incremental_binary): Declare.
8642         * object.cc (is_elf_object): Use
8643         elfcpp::Elf_recognizer::is_elf_file.
8644         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8645         * output.h (Output_file::filesize): New method.
8646
8647 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8648
8649         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8650         New function.
8651         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8652         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8653         function.
8654         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8655         function.
8656         (Arm_relocate_functions::movw_abs_nc): New function.
8657         (Arm_relocate_functions::movt_abs): New function.
8658         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8659         (Arm_relocate_functions::thm_movt_abs): New function.
8660         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8661         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8662         (Scan::global): Likewise.
8663         (Relocate::relocate): Likewise.
8664         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8665
8666 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8667
8668         * arm.cc (Arm_relocate_functions::got_prel) New function.
8669         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8670         (Relocate::relocate): Likewise.
8671         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8672
8673 2009-10-06  Ian Lance Taylor  <iant@google.com>
8674
8675         * options.h (class General_options): Define
8676         split_stack_adjust_size parameter.
8677         * object.h (class Object): Add uses_split_stack_ and
8678         has_no_split_stack_ fields.  Add uses_split_stack and
8679         has_no_split_stack accessor functions.  Declare
8680         handle_split_stack_section.
8681         (class Reloc_symbol_changes): Define.
8682         (class Sized_relobj): Define Function_offsets.  Declare
8683         split_stack_adjust, split_stack_adjust_reltype, and
8684         find_functions.
8685         * object.cc (Object::handle_split_stack_section): New function.
8686         (Sized_relobj::do_layout): Call handle_split_stack_section.
8687         * dynobj.cc (Sized_dynobj::do_layout): Call
8688         handle_split_stack_section.
8689         * reloc.cc (Sized_relobj::relocate_sections): Call
8690         split_stack_adjust for executable sections in split_stack
8691         objects.  Pass reloc_map to relocate_section.
8692         (Sized_relobj::split_stack_adjust): New function.
8693         (Sized_relobj::split_stack_adjust_reltype): New function.
8694         (Sized_relobj::find_functions): New function.
8695         * target-reloc.h: Include "object.h".
8696         (relocate_section): Add reloc_symbol_changes parameter.  Change
8697         all callers.
8698         * target.h (class Target): Add calls_non_split method.  Declare
8699         do_calls_non_split virtual method.  Declare match_view and
8700         set_view_to_nop.
8701         * target.cc: Include "elfcpp.h".
8702         (Target::do_calls_non_split): New function.
8703         (Target::match_view): New function.
8704         (Target::set_view_to_nop): New function.
8705         * gold.cc (queue_middle_tasks): Give an error if mixing
8706         split-stack and non-split-stack objects with -r.
8707         * i386.cc (Target_i386::relocate_section): Add
8708         reloc_symbol_changes parameter.
8709         (Target_i386::do_calls_non_split): New function.
8710         * x86_64.cc (Target_x86_64::relocate_section): Add
8711         reloc_symbol_changes parameter.
8712         (Target_x86_64::do_calls_non_split): New function.
8713         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8714         parameter.
8715         * powerpc.cc (Target_powerpc::relocate_section): Add
8716         reloc_symbol_changes parameter.
8717         * sparc.cc (Target_sparc::relocate_section): Add
8718         reloc_symbol_changes parameter.
8719         * configure.ac: Call AM_CONDITIONAL for the default target.
8720         * configure: Rebuild.
8721         * testsuite/Makefile.am (TEST_AS): New variable.
8722         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8723         (check_DATA): Add split_i386 and split_x86_64 files.
8724         (SPLIT_DEFSYMS): Define.
8725         (split_i386_[1234n].o): New targets.
8726         (split_i386_[124]): New targets.
8727         (split_i386_[1234r].stdout): New targets.
8728         (split_x86_64_[1234n].o): New targets.
8729         (split_x86_64_[124]): New targets.
8730         (split_x86_64_[1234r].stdout): New targets.
8731         (MOSTLYCLEANFILES): Add new executables.
8732         * testsuite/split_i386.sh: New file.
8733         * testsuite/split_x86_64.sh: New file.
8734         * testsuite/split_i386_1.s: New file.
8735         * testsuite/split_i386_2.s: New file.
8736         * testsuite/split_i386_3.s: New file.
8737         * testsuite/split_i386_4.s: New file.
8738         * testsuite/split_i386_n.s: New file.
8739         * testsuite/split_x86_64_1.s: New file.
8740         * testsuite/split_x86_64_2.s: New file.
8741         * testsuite/split_x86_64_3.s: New file.
8742         * testsuite/split_x86_64_4.s: New file.
8743         * testsuite/split_x86_64_n.s: New file.
8744         * testsuite/testfile.cc (Target_test): Update relocation_section
8745         function.
8746         * testsuite/Makefile.in: Rebuild.
8747
8748 2009-10-06  Ian Lance Taylor  <iant@google.com>
8749
8750         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8751         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8752         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8753         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8754         the address on ldo_addrs_.
8755         (Target_i386::Relocate::fix_up_ldo): New function.
8756
8757 2009-10-06   Rafael Espindola  <espindola@google.com>
8758
8759         * plugin.cc (add_input_library): New.
8760         (Plugin::load): Add add_input_library to tv.
8761         (Plugin_manager::add_input_file): Add the is_lib argument.
8762         (add_input_file): Update call to Plugin_manager::add_input_file.
8763         (add_input_library): New.
8764         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8765
8766 2009-09-30  Doug Kwan  <dougkwan@google.com>
8767
8768         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8769         symbol and call Symbol::may_need_copy_reloc to determine if
8770         a copy reloc is needed.
8771         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8772         nocopyreloc is given in command line.
8773         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8774         given in command line.
8775         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8776         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8777         of the removed Target_i386::may_need_copy_reloc.
8778         * options.h (copyreloc): New option with default value false.
8779         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8780         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8781         instead of the removed Target_powerpc::may_need_copy_reloc.
8782         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8783         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8784         instead of the removed Target_sparc::may_need_copy_reloc.
8785         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8786         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8787         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8788         instead of the removed Target_x86_64::may_need_copy_reloc.
8789
8790 2009-09-30  Ian Lance Taylor  <iant@google.com>
8791
8792         * object.h (class Object): Remove target_ field, and target,
8793         sized_target, and set_target methods.
8794         (Object::sized_target): Remove.
8795         (class Sized_relobj): Update declarations.  Remove sized_target.
8796         * object.cc (Sized_relobj::setup): Remove target parameter.
8797         Change all callers.
8798         (Input_objects::add_object): Don't do anything with the target.
8799         (make_elf_sized_object): Add punconfigured parameter.  Change all
8800         callers.  Set or test parameter target.
8801         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8802         Change all callers.
8803         * parameters.cc (Parameters::set_target): Change parameter type to
8804         be non-const.
8805         (Parameters::default_target): Remove.
8806         (set_parameters_target): Change parameter type to be non-const.
8807         (parameters_force_valid_target): New function.
8808         (parameters_clear_target): New function.
8809         * parameters.h (class Parameters): Update declarations.  Remove
8810         default_target method.  Add sized_target and clear_target
8811         methods.  Change target_ to be non-const.
8812         (set_parameters_target): Update declaration.
8813         (parameters_force_valid_target): Declare.
8814         (parameters_clear_target): Declare.
8815         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8816         as NULL if we aren't searching.
8817         (Add_symbols::run): Don't check for compatible target.
8818         * fileread.cc (Input_file::open_binary): Call
8819         parameters_force_valid_target.
8820         * gold.cc (queue_middle_tasks): Likewise.
8821         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8822         set_target on object.
8823         * dynobj.h (class Sized_dynobj): Update declarations.
8824         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8825         make_elf_object returns NULL.
8826         (Archive::include_member): Don't check whether object target is
8827         compatible.
8828         * output.cc (Output_section::add_input_section): Get target from
8829         parameters.
8830         (Output_section::relax_input_section): Likewise.
8831         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8832         parameters.
8833         (Sized_relobj::do_scan_relocs): Likewise.
8834         (Sized_relobj::relocate_sections): Likewise.
8835         * resolve.cc (Symbol_table::resolve): Likewise.
8836         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8837         parameter.  Change all callers.
8838         (Symbol_table::add_from_object): Get target from parameters.
8839         (Symbol_table::add_from_relobj): Don't check object target.
8840         (Symbol_table::add_from_dynobj): Likewise.
8841         (Symbol_table::define_special_symbol): Get target from
8842         parameters.
8843         * symtab.h (class Symbol_table): Update declaration.
8844         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8845         parameter.  Change all callers.  Clear parameter target.
8846         (Binary_test): Test target here.
8847         * testsuite/object_unittest.cc (gold_testsuite): Remove
8848         target_test_pointer parameter.  Change all callers.
8849         (Object_test): Test target here.
8850
8851 2009-09-26  Ian Lance Taylor  <iant@google.com>
8852
8853         * testsuite/initpri1.c: Don't try to use constructor priorities if
8854         compiling with gcc before 4.3.
8855
8856 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8857
8858         * testsuite/retain_symbols_file_test.sh (check_present): Change
8859         output file name to retain_symbols_file_test.stdout.
8860         (check_absent): Likewise.
8861
8862 2009-09-18  Craig Silverstein  <csilvers@google.com>
8863
8864         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8865         * options.cc: Include <cerrno> and <fstream>.
8866         (General_options::finalize): Parse -retain-symbols-file tag.
8867         * options.h: New flag.
8868         (General_options): New method should_retain_symbol, new
8869         variable symbols_to_retain.
8870         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8871         should_retain_symbol map.
8872         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8873         * testsuite/Makefile.in: Regenerate.
8874         * testsuite/retain_symbols_file_test.sh: New file.
8875
8876 2009-09-18  Nick Clifton  <nickc@redhat.com>
8877
8878         * po/es.po: Updated Spanish translation.
8879
8880 2009-09-17  Doug Kwan  <dougkwan@google.com>
8881
8882         * debug.h (DEBUG_RELAXATION): New constant.
8883         (DEBUG_ALL): Add DEBUG_RELAXATION.
8884         (debug_string_to_enum): Add relaxation debug option.
8885         * layout.cc
8886         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8887         Layout::Relaxation_debug_check::read_sections,
8888         Layout::Relaxation_debug_check::read_sections): New method definitions.
8889         (Layout::Layout): Initialize data members
8890         record_output_section_data_from_scrips_,
8891         script_output_section_data_list_ and relaxation_debug_check_.
8892         (Layout::save_segments, Layout::restore_segments,
8893         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8894         Layout::relaxation_loop_body): New method definitions.
8895         (Layout::finalize): Support relaxation.  Move section layout code to
8896         Layout::relaxation_loop_body.
8897         (Layout::set_asection_address_from_script): Move code for orphan
8898         section placement out.
8899         (Layout::place_orphan_sections_in_script): New method definition.
8900         * layout.h (Output_segment_headers, Output_file_header):
8901         New forward class declarations.
8902         (Layout::~Layout): Define.
8903         (Layout::new_output_section_data_from_script): New method definition.
8904         (Layout::place_orphan_sections_in_script): New method declaration.
8905         (Layout::Segment_states): New type declaration.
8906         (Layout::save_segments, Layout::restore_segments,
8907         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8908         Layout::relaxation_loop_body): New method declarations.
8909         (Layout::Output_section_data_list): New type declaration.
8910         (Layout::Relaxation_debug_check): New class definition.
8911         (Layout::record_output_section_data_from_script_,
8912         Layout::script_output_section_data_list_, Layout::segment_states_,
8913         Layout::relaxation_debug_check_): New data members.
8914         * output.cc: (Output_section_headers::do_size): New method definition.
8915         (Output_section_headers::Output_section_headers): Move size
8916         computation to Output_section_headers::do_size.
8917         (Output_segment_headers::do_size): New method definition.
8918         (Output_file_header::Output_file_header): Move size computation to
8919         Output_file_header::do_size and call it.
8920         (Output_file_header::do_size): New method definition.
8921         (Output_data_group::Output_data_group): Adjust call to
8922         Output_section_data.
8923         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8924         (Output_symtab_xindex::do_write): Add array bound check.
8925         (Output_section::Input_section::print_to_mapfile): Handle
8926         RELAXED_INPUT_SECTION_CODE.
8927         (Output_section::Output_section): Initialize data member checkpoint_.
8928         (Output_section::~Output_section): Delete checkpoint object pointed
8929         by checkpoint_.
8930         (Output_section::add_input_section): Always add an Input_section if
8931         relaxing.
8932         (Output_section::add_merge_input_section): Add assert.
8933         (Output_section::relax_input_section): New method definition.
8934         (Output_section::set_final_data_size): Set load address to zero for
8935         an unallocated section.
8936         (Output_section::do_address_and_file_offset_have_reset_values):
8937         New method definition.
8938         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8939         Handle relaxed input section.
8940         (Output_section::sort_attached_input_sections): Checkpoint input
8941         section list lazily.
8942         (Output_section::get_input_sections): Change type of input_sections to
8943         list of Simple_input_section pointers.  Checkpoint input section list
8944         lazily.  Also handle relaxed input sections.
8945         (Output_section::add_input_section_for_script): Take a reference to
8946         a Simple_input_section object instead of Relobj pointer and section
8947         index as parameter.  Handle relaxed input sections.
8948         (Output_section::save_states, Output_section::restore_states): New
8949         method definitions.
8950         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8951         (Output_data::is_data_size_fixed): New method definition.
8952         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8953         if it is fixed.
8954         (Output_data::address_and_file_offset_have_reset_values): New method
8955         definition.
8956         (Output_data::do_address_and_file_offset_have_reset_values): New method
8957         definition.
8958         (Output_data::set_data_size): Check that data size is not fixed.
8959         (Output_data::fix_data_size): New method definition.
8960         (Output_data::is_data_size_fixed_): New data member.
8961         (Output_section_headers::set_final_data_size): New method definition.
8962         (Output_section_headers::do_size): New method declaration.
8963         (Output_segment_headers::set_final_data_size): New method definition.
8964         (Output_segment_headers::do_size): New method declaration.
8965         (Output_file_header::set_final_data_size)::New method definition.
8966         (Output_file_header::do_size)::New method declaration.
8967         (Output_section_data::Output_section_data): Add new parameter
8968         is_data_size_fixed and use it to fix data size.
8969         (Output_data_const::Output_data_const): Adjust call to base class
8970         constructor and fix data size.
8971         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8972         base class constructor and fix data size.
8973         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8974         base class constructor and fix data size.
8975         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8976         class constructor and fix data size.
8977         (Output_data_group::set_final_data_size): New method definition.
8978         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8979         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8980         class constructor and fix data size.
8981         (Output_relaxed_input_section): New class definition.
8982         (Output_section::Simple_input_section): New class definition.
8983         (Output_section::get_input_sections): Adjust parameter list.
8984         (Output_section::add_input_section_for_script): Same.
8985         (Output_section::save_states, Output_section::restore_states,
8986         Output_section::do_address_and_file_offset_have_reset_values,
8987         (Output_section::Input_section::Input_section): Handle
8988         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8989         Output_relaxed_input_section.
8990         (Output_section::Input_section::is_input_section,
8991         Output_section::Input_section::set_output_section): Handle relaxed
8992         input section.
8993         (Output_section::Input_section::is_relaxed_input_section,
8994         Output_section::Input_section::output_section_data,
8995         Output_section::Input_section::relaxed_input_section): New method
8996         definitions.
8997         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8998         value.
8999         (Output_section::Input_section::u1_): Update comments.
9000         (Output_section::Input_section::u2_): Add new union member poris.
9001         (Output_section::Checkpoint_output_section): New classs definition.
9002         (Output_section::relax_input_section): New method declaration.
9003         (Output_section::checkpoint_): New data member.
9004         (Output_segment): Update comments.
9005         (Output_segment::Output_segment): Un-privatize copy constructor.
9006         (Output_segment::operator=): Un-privatize.
9007         * script-sections.cc (Output_section_element::Input_section_list):
9008         Change element type to Output_section::Simple_input_section.
9009         (Output_section_element_dot_assignment::set_section_addresses):
9010         Register output section data for relaxation clean up.
9011         (Output_data_exression::Output_data_expression): Adjust call to base
9012         constructor to fix data size.
9013         (Output_section_element_data::set_section_addresses): Register
9014         Output_data_expression object for relaxation clean up.
9015         (struct Input_section_info): Replace Relobj pointer and section index
9016         pair with Output_section::Simple_input_section and Convert struct to a
9017         class.
9018         (Input_section_sorter::operator()): Adjust access to
9019         Input_section_info data member to use accessors.
9020         (Output_section_element_input::set_section_addresses): Use layout
9021         parameter.  Adjust code to use Output_section::Simple_input_section
9022         and Input_secction_info classes.  Register filler for relaxation
9023         clean up.
9024         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9025         and section index pair with Output_section::Simple_input_section
9026         class.  Adjust code accordingly.
9027         (Phdrs_element::release_segment): New method definition.
9028         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9029         segment list.
9030         (Script_sections::release_segments): New method definition.
9031         * gold/script-sections.h (Script_sections::release_segments): New
9032         method declaration.
9033         * gold/target.h (Target::may_relax, Target::relax,
9034         Target::do_may_relax, Target::do_relax): New method definitions.
9035
9036 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9037
9038         * arm.cc (has_signed_unsigned_overflow): New function.
9039         (Arm_relocate_functions::abs8): New function.
9040         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9041         (Target_arm::Scan::global): Likewise.
9042         (Target_arm::relocate::relocate): Likewise.
9043         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9044         Likewise.
9045
9046 2009-09-16  Cary Coutant  <ccoutant@google.com>
9047
9048         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9049         * testsuite/Makefile.in: Regenerate.
9050
9051 2009-09-11  Nick Clifton  <nickc@redhat.com>
9052
9053         * po/gold.pot: Updated by the Translation project.
9054
9055 2009-09-08  Cary Coutant  <ccoutant@google.com>
9056
9057         * output.cc (Output_file::open): Add execute permission to empty file.
9058         * testsuite/Makefile.am (permission_test): New test.
9059         * testsuite/Makefile.in: Regenerate.
9060
9061 2009-09-02  Ian Lance Taylor  <iant@google.com>
9062
9063         * output.cc (Output_file::resize): Call map_no_anonymous rather
9064         than map.
9065
9066 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9067
9068         * gold.cc: Include "incremental.h".
9069         (queue_initial_tasks): Call Incremental_checker methods.
9070         * incremental.cc: Include "output.h".
9071         (Incremental_checker::can_incrementally_link_output_file): New
9072         method.
9073         * incremental.h (Incremental_checker): New class.
9074
9075         * output.cc (Output_file::open_for_modification): New method.
9076         (Output_file::map_anonymous): Changed return type to bool.  Record
9077         map in base_ field.
9078         (Output_file::map_no_anonymous): New method, broken out of map.
9079         (Output_file::map): Use map_no_anonymous and map_anonymous.
9080         * output.h (class Output_file): Update declarations.
9081
9082 2009-08-24  Cary Coutant  <ccoutant@google.com>
9083
9084         * options.h (Command_line::Pre_options): New class.
9085         (Command_line::pre_options): New member.
9086         * options.cc (gold::options::ready_to_register): New variable.
9087         (One_option::register_option): Do nothing if not registering options.
9088         Assert if same short option registered twice.
9089         (General_options::General_options): Turn off option registration when
9090         done constructing.
9091         (Command_line::Pre_options::Pre_options): New constructor.
9092
9093 2009-08-24  Cary Coutant  <ccoutant@google.com>
9094
9095         * options.h (General_options::no_keep_memory): Remove incorrect
9096         short option.
9097
9098 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9099
9100         * Makefile.am (am__skiplex, am__skipyacc): New.
9101         * Makefile.in: Regenerate.
9102
9103 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9104
9105         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9106         (INCLUDES): ... this.
9107         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9108         (AM_CPPFLAGS): Renamed from ...
9109         (INCLUDE): ... this.
9110         * Makefile.in, testsuite/Makefile.in: Regenerate.
9111
9112         * Makefile.in: Regenerate.
9113         * aclocal.m4: Likewise.
9114         * config.in: Likewise.
9115         * configure: Likewise.
9116         * testsuite/Makefile.in: Likewise.
9117
9118         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9119         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9120         * Makefile.in: Regenerate.
9121         * testsuite/Makefile.in: Regenerate.
9122
9123 2009-08-19  Cary Coutant  <ccoutant@google.com>
9124
9125         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9126         symbols in shared libraries overridden by hidden or internal symbols
9127         in the main program.
9128
9129 2009-08-19  Chris Demetriou  <cgd@google.com>
9130
9131         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9132         checking source file names in error messages.
9133
9134 2009-08-18  Doug Kwan  <dougkwan@google.com>
9135
9136         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9137         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9138         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9139         an elfcpp::Ehdr as parameter.
9140         * object.cc (Object::set_target): Remove the version that looks up
9141         a target and sets it.
9142         (Sized_relobj::setup): Take a Target object instead of
9143         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9144         (make_elf_sized_object): Find target and ask target to
9145         make an ELF object.
9146         * object.h: (Object::set_target): Remove the version that looks up
9147         a target and sets it.
9148         (Sized_relobj::setup): Take a Target object instead of
9149         an elfcpp:Ehdr as parameter.
9150         * target.cc: Include dynobj.h.
9151         (Target::do_make_elf_object_implementation): New.
9152         (Target::do_make_elf_object): New.
9153         * target.h (Target::make_elf_object): New template declaration.
9154         (Target::do_make_elf_object): New method declarations.
9155         (Target::do_make_elf_object_implementation): New template declaration.
9156
9157 2009-08-14  Ian Lance Taylor  <iant@google.com>
9158
9159         * gold.h (FUNCTION_NAME): Define.
9160         (gold_unreachable): Use FUNCTION_NAME.
9161
9162 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9163
9164         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9165         symbol in the --keep-unique list is not found.
9166
9167 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9168
9169         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9170         been maked as --keep-unique.
9171         (Icf::unfold_section): New function.
9172         * icf.h (Icf::unfold_section): New function.
9173         * options.h (General_options::keep_unique): New option.
9174         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9175         * testsuite/Makefile.in: Regenerate.
9176         * testsuite/icf_keep_unique_test.sh: New file.
9177         * testsuite/icf_keep_unique_test.cc: New file.
9178
9179 2009-08-12  Cary Coutant  <ccoutant@google.com>
9180
9181         PR 10471
9182         * resolve.cc (Symbol_table::resolve): Check for references from
9183         dynamic objects to hidden and internal symbols.
9184         * testsuite/Makefile.am (hidden_test.sh): New test.
9185         * testsuite/Makefile.in: Regenerate.
9186         * testsuite/hidden_test.sh: New script.
9187         * testsuite/hidden_test_1.c: New test source.
9188         * testsuite/hidden_test_main.c: New test source.
9189
9190 2009-08-11  Doug Kwan  <dougkwan@google.com>
9191
9192         * arm.cc: Update comments.
9193         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9194         segment to locate the .ARM.exidx section if present.
9195
9196 2009-08-09  Doug Kwan  <dougkwan@google.com>
9197
9198         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9199         patch.
9200
9201 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9202         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9203         compiler warnings.
9204
9205 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9206
9207         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9208         valid tls_segment only for non-debug-section relocations.
9209         * testsuite/Makefile.am: Add gc_tls_test.
9210         * testsuite/Makefile.in: Regenerate.
9211         * testsuite/gc_tls_test.cc: New file.
9212         * testsuite/gc_tls_test.sh: New file.
9213
9214 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9215
9216         * icf.cc: New file.
9217         * icf.h: New file.
9218         * Makefile.am (CCFILES): Add icf.cc.
9219         (HFILES): Add icf.h
9220         * Makefile.in: Regenerate.
9221         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9222         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9223         section, symbol and addend information for the relocs.
9224         * gold.cc (queue_middle_tasks): Call identical code folding.
9225         * gold.h: Add defines for multimap.
9226         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9227         to the call of finalize_local_symbols.
9228         * main.cc (main): Create object of class Icf.
9229         * object.cc (Sized_relobj::do_layout): Allow this function to be
9230         called twice during icf.
9231         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9232         to sections marked as identical by icf.
9233         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9234         when available.
9235         (Sized_relobj::do_section_entsize): New function.
9236         * object.h (Object::section_entsize): New function.
9237         (Object::do_section_entsize): New pure virtual function.
9238         (Relobj::finalize_local_symbols): Add new parameter.
9239         (Relobj::do_section_entsize): New function.
9240         * options.h (General_options::icf): New option.
9241         (General_options::icf_iterations): New option.
9242         (General_options::print_icf_sections): New option.
9243         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9244         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9245         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9246         icf.
9247         * symtab.cc (Symbol_table::is_section_folded): New function.
9248         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9249         to sections marked as identical by icf.
9250         * symtab.h (Symbol_table::set_icf): New function.
9251         (Symbol_table::icf): New function.
9252         (Symbol_table::is_section_folded): New function.
9253         (Symbol_table::icf_): New data member.
9254         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9255         * testsuite/Makefile.am: Add commands to build icf_test.
9256         * testsuite/Makefile.in: Regenerate.
9257         * testsuite/icf_test.sh: New file.
9258         * testsuite/icf_test.cc: New file.
9259
9260 2009-07-24  Chris Demetriou  <cgd@google.com>
9261
9262         * layout.cc (is_compressible_debug_section): Fix incorrect
9263         comment about compressed section names.
9264
9265 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9266
9267         PR 10419
9268         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9269
9270 2009-07-16  Ian Lance Taylor  <iant@google.com>
9271
9272         PR 10400
9273         * layout.h: #include <map>.
9274         (class Kept_section): Change from struct to class.  Add accessors
9275         and setters.  Add section size to Comdat_group mapping.  Change
9276         Comdat_group to std::map.  Add is_comdat_ field.  Add
9277         linkonce_size field in union.
9278         (class Layout): Update declaration of find_or_add_kept_section.
9279         Don't declare find_kept_object.
9280         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9281         parameter.  Add object, shndx, is_comdat, and is_group_name
9282         parameters.  Change all callers.  Adjust for new Kept_section.
9283         (Layout::find_kept_object): Remove.
9284         * object.cc (Sized_relobj::include_section_group): Update use of
9285         Kept_section.  Rename secnum to shndx.  Only record
9286         Kept_comdat_section if sections are the same size.
9287         (Sized_relobj::include_linkonce_section): Update use of
9288         Kept_section.  Only record Kept_comdat_section if sections are the
9289         same size.  Set size of linkonce section.
9290         (Sized_relobj::map_to_kept_section): Update call to
9291         get_kept_comdat_section.
9292         * object.h (class Sized_relobj): Rename fields in
9293         Kept_comdat_section to drop trailing underscores; change object
9294         field to Relobj*.  Change Kept_comdat_section_table to store
9295         struct rather than pointer.
9296         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9297         Add kept_object and kept_shndx parameters.  Change all callers.
9298         (Sized_relobj::get_kept_comdat_section): Change return type to
9299         bool.  Add kept_object and kept_shndx parameters.  Change all
9300         callers.
9301         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9302         Layout::find_or_add_kept_section.
9303
9304 2009-07-09  Ian Lance Taylor  <iant@google.com>
9305
9306         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9307         Reserve space in the hash table.
9308
9309 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9310
9311         * fileread.cc (File_read::get_mtime): New method.
9312         * fileread.h (Timespec): New structure.
9313         (File_read::get_mtime): New method.
9314         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9315         Renamed from timestamp_nsec.
9316         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9317         Elf_Xword.
9318         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9319         timestamp_nsec.
9320         (Incremental_inputs::report_archive): Save mtime; style fix.
9321         (Incremental_inputs::report_obejct): Save mtime; style fix.
9322         (Incremental_inputs::report_script): Save mtime; style fix.
9323         (Incremental_inputs::finalize_inputs): Style fix.
9324         (Incremental_inputs::finalize): Style fix.
9325         (Incremental_inputs::create_input_section_data): Store inputs
9326         mtime.
9327         * incremental.h (Incremental_inputs::report_script): Add mtime
9328         argument.
9329         (Incremental_inputs::Input_info::Input_info): Intialize only one
9330         union member.
9331         (Incremental_inputs::Input_info::archive): Move to nameless
9332         union.
9333         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9334         (Incremental_inputs::Input_info::script): Move to nameless union.
9335         (Incremental_inputs::mtime): New field.
9336         * script.cc (read_input_script): Pass file mtime to
9337         Incremental_input.
9338         * script.h (Script_info::inputs): Style fix.
9339
9340 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9341
9342         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9343         instead of 32.
9344
9345 2009-06-24  Ian Lance Taylor  <iant@google.com>
9346
9347         PR 10156
9348         * layout.cc (Layout::choose_output_section): If we find an
9349         existing section, update the flags.
9350         (Layout::create_notes): New function, broken out of
9351         Layout::finalize.
9352         (Layout::finalize): Don't create note sections.
9353         (Layout::create_note): Don't crash if linker script discards
9354         section.
9355         (Layout::create_gold_note): Likewise.
9356         (Layout::create_build_id): Likewise.  Don't set
9357         after_input_sections on the section.
9358         (Layout::create_executable_stack_info): Remove target parameter.
9359         Change caller.
9360         * layout.h (class Layout): Declare create_notes.  Update
9361         declaration of create_executable_stack_info.
9362         * gold.cc (queue_middle_tasks): Call create_notes.
9363         * output.cc (Output_section::update_flags_for_input_section): Move
9364         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9365         invalid.
9366         * output.h (Output_data::mark_address_invalid): New function.
9367         (class Output_section): Only declare, not define,
9368         update_flags_for_input_section.  Remove set_flags.
9369
9370 2009-06-24  Ian Lance Taylor  <iant@google.com>
9371
9372         * script-sections.cc (Output_section_definition::
9373         set_section_addresses): Rename shadowing local load_address to
9374         laddr.
9375
9376 2009-06-24  Ian Lance Taylor  <iant@google.com>
9377
9378         PR 10244
9379         * reloc.cc (relocate_sections): Skip empty relocation sections.
9380
9381 2009-06-23  Ian Lance Taylor  <iant@google.com>
9382
9383         PR 10156
9384         * layout.cc (Layout::create_note): Use choose_output_section
9385         rather than make_output_section.
9386
9387 2009-06-23  Ian Lance Taylor  <iant@google.com>
9388
9389         PR 10237
9390         * options.cc (General_options::parse_V): Set printed_version_.
9391         (General_options::General_options): Initialize printed_version_.
9392         * options.h (class General_options): Add printed_version_ field.
9393         * gold.cc (queue_initial_tasks): If there are no input files,
9394         don't give a fatal error if we printed the version information.
9395         (queue_middle_tasks): If using -r with a shared object, give a
9396         fatal error rather than an ordinary error.
9397
9398 2009-06-23  Ian Lance Taylor  <iant@google.com>
9399
9400         PR 10219
9401         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9402         (Layout::make_output_section): Set have_stabstr_section_ if we see
9403         a .stab*str section.
9404         (Layout::finalize): Call link_stabs_sections.
9405         (Layout::link_stabs_sections): New file.
9406         * layout.h (class Layout): Add have_stabstr_section_ field.
9407         Declare link_stabs_sections.
9408
9409 2009-06-23  Doug Kwan  <dougkwan@google.com>
9410
9411         * Makefile.am (libgold_a_LIBADD): New.
9412         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9413         * Makefile.in: Regenerate.
9414         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9415         * configure: Regenerate.
9416         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9417         * fileread.cc: Include sys/state.h
9418         * gold.h: Declare memmem and strndup if found missing.
9419         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9420
9421 2009-06-23  Ian Lance Taylor  <iant@google.com>
9422
9423         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9424         * configure: Rebuild.
9425
9426 2009-06-23  Ian Lance Taylor  <iant@google.com>
9427
9428         PR 10147
9429         * object.cc (Object::section_contents): Don't try to get a view if
9430         the section has length zero.
9431         (Object::handle_gnu_warning_section): If the section is empty, use
9432         the name of the section as the warning.
9433
9434 2009-06-23  Ian Lance Taylor  <iant@google.com>
9435
9436         PR 10133
9437         * stringpool.h (class Stringpool_template): Add optimize_ field.
9438         (Stringpool_template::set_optimize): New function.
9439         * stringpool.cc (Stringpool_template::Stringpool_template):
9440         Initialize optimize_ field.
9441         (Stringpool_template::set_string_offsets): Test local optimize
9442         fild rather than parameter.
9443         * layout.cc (Layout::Layout): Call set_optimize on the section
9444         name stringpool.
9445
9446 2009-06-22  Ian Lance Taylor  <iant@google.com>
9447
9448         PR 10030
9449         * yyscript.y: Parse TARGET.
9450         * script.cc (script_set_target): New function.
9451         * script-c.h (script_set_target): Declare.
9452         * options.cc (General_options::string_to_object_format): Rename
9453         from string_to_object_format in anonymous namespace.  Change
9454         callers.
9455         * options.h (class General_options): Declare
9456         string_to_object_format.
9457
9458 2009-06-22  Ian Lance Taylor  <iant@google.com>
9459
9460         * script-sections.cc (Script_sections::create_segments): Don't put
9461         program headers in a PT_LOAD segment if -n or -N.
9462
9463 2009-06-22  Ian Lance Taylor  <iant@google.com>
9464
9465         PR 10141
9466         * options.h (class General_options): Add -z lazy and -z now.  Sort
9467         -z options into alphabetical order.
9468         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9469
9470 2009-06-21  Ian Lance Taylor  <iant@google.com>
9471
9472         * layout.cc (Layout::make_output_section): Call
9473         Target::new_output_section.
9474         (Layout::attach_allocated_section_to_segment): Put large section
9475         sections in a separate load segment with the large segment flag
9476         set.
9477         (Layout::segment_precedes): Sort large data segments after other
9478         load segments.
9479         (align_file_offset): New static function.
9480         (Layout::set_segment_offsets): Use align_file_offset.
9481         * output.h (class Output_section): Add is_small_section_ and
9482         is_large_section_ fields.
9483         (Output_section::is_small_section): New function.
9484         (Output_section::set_is_small_section):  New function.
9485         (Output_section::is_large_section): New function.
9486         (Output_section::set_is_large_section): New function.
9487         (Output_section::is_large_data_section): New function.
9488         (class Output_segment): Add is_large_data_segment_ field.
9489         (Output_segment::is_large_data_segment): New function.
9490         (Output_segment::set_is_large_data_segment): New function.
9491         * output.cc (Output_section::Output_section): Initialize new
9492         fields.
9493         (Output_segment::Output_segment): Likewise.
9494         (Output_segment::add_output_section): Add assertion that large
9495         data sections always go in large data segments.  Force small data
9496         sections to the end of the list of data sections.  Force small BSS
9497         sections to the start of the list of BSS sections.  For large BSS
9498         sections to the end of the list of BSS sections.
9499         * symtab.h (class Symbol): Declare is_common_shndx.
9500         (Symbol::is_defined): Check Symbol::is_common_shndx.
9501         (Symbol::is_common): Likewise.
9502         (class Symbol_table): Define enum Commons_section_type.  Update
9503         declarations.  Add small_commons_ and large_commons_ fields.
9504         * symtab.cc (Symbol::is_common_shndx): New function.
9505         (Symbol_table::Symbol_table): Initialize new fields.
9506         (Symbol_table::add_from_object): Put small and large common
9507         symbols in the right list.
9508         (Symbol_table::sized_finalized_symbol): Check
9509         Symbol::is_common_shndx.
9510         (Symbol_table::sized_write_globals): Likewise.
9511         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9512         common symbol lists.  Don't call do_allocate_commons_list if the
9513         list is empty.
9514         (Symbol_table::do_allocate_commons_list): Remove is_tls
9515         parameter.  Add comons_section_type parameter.  Change all
9516         callers.  Handle small and large common symbols.
9517         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9518         Symbol::is_common_shndx.
9519         * resolve.cc (symbol_to_bits): Likewise.
9520         * target.h (Target::small_common_shndx): New function.
9521         (Target::small_common_section_flags): New function.
9522         (Target::large_common_shndx): New function.
9523         (Target::large_common_section_flags): New function.
9524         (Target::new_output_section): New function.
9525         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9526         small_common_section_flags, and large_common_section_flags
9527         fields.
9528         (Target::do_new_output_section): New virtual function.
9529         * arm.cc (Target_arm::arm_info): Initialize new fields.
9530         * i386.cc (Target_i386::i386_info): Likewise.
9531         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9532         Likewise.
9533         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9534         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9535         (Target_x86_64::do_new_output_section): New function.
9536         * configure.ac: Define conditional MCMODEL_MEDIUM.
9537         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9538         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9539         (large_LDFLAGS): Define.
9540         * testsuite/large.c: New file.
9541         * testsuite/testfile.cc (Target_test::test_target_info):
9542         Initialize new fields.
9543         * configure, testsuite/Makefile.in: Rebuild.
9544
9545 2009-06-05  Doug Kwan  <dougkwan@google.com>
9546
9547         * Makefile.am (CCFILES): Add target.cc.
9548         * Makefile.in: Regenerate.
9549         * i386.cc (class Target_i386): Define new virtual method to
9550         override do_is_local_label_name in parent.
9551         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9552         local symbols if --discard-locals or -X is given.
9553         * options.h (class General_options): Declare new options
9554         '--discard-locals' and '-X' for discarding locals.
9555         * target.h (class Target): Define new methods is_local_label_name.
9556         Declare new virtual method do_is_local_label_name.
9557         * target.cc: New file.
9558         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9559         (check_SCRIPTS): Add discard_locals_test.sh.
9560         (check_DATA): Add discard_local_tests.syms.
9561         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9562         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9563         * testsuite/Makefile.in: Regenerate.
9564         * testsuite/discard_locals_test.c: New file.
9565         * testsuite/discard_locals_test.sh: Same.
9566
9567 2009-06-05  Doug Kwan  <dougkwan@google.com>
9568
9569         * object.cc (Sized_relobj::Sized_relobj): Initialize
9570         discarded_eh_frame_shndx_ to -1U.
9571         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9572         section.
9573         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9574         a discarded .eh_frame section.
9575         (Sized_relobj::do_finalize_local_symbols): Ditto.
9576         * object.h (class Sized_relobj): Declare new member
9577         discarded_eh_frame_shndx_.
9578         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9579         (local_labels_test.o, local_labels_test): New rules.
9580         * testsuite/Makefile.in: Regenerate.
9581
9582 2009-06-04  Doug Kwan  <dougkwan@google.com>
9583
9584         * layout.cc (Layout::section_name_mapping): Add mapping for
9585         special ARM sections.
9586
9587 2009-06-03  Doug Kwan  <dougkwan@google.com>
9588
9589         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9590         (utils::has_overflow): Same.
9591
9592 2009-06-03  Ian Lance Taylor  <iant@google.com>
9593
9594         * layout.cc (Layout::section_name_mapping): New array, replacing
9595         Layout::linkonce_mapping.
9596         (Layout::section_name_mapping_count): New variable, replacing
9597         Layout::linkonce_mapping_count.
9598         (Layout::linkonce_output_name): Remove.
9599         (Layout::output_section_name): Rewrite.
9600         * layout.h (class Layout): Rename Linkonce_mapping to
9601         Section_name_mapping, linkonce_mapping to section_name_mapping,
9602         linkonce_mapping_count to section_name_mapping_count.  Don't
9603         declare linkonce_output_name.
9604
9605 2009-06-03  Doug Kwan  <dougkwan@google.com>
9606
9607         * gold/arm.cc (namespace utils): New.
9608         (Target_arm::reloc_is_non_pic): Define new method.
9609         (class Arm_relocate_functions): New.
9610         (Target_arm::Relocate::relocate): Handle relocation types used by
9611         Android.
9612
9613 2009-06-03  Ian Lance Taylor  <iant@google.com>
9614
9615         * arm.cc (Target_arm::scan::global): Use || instead of |.
9616
9617 2009-06-02  Doug Kwan  <dougkwan@google.com>
9618
9619         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9620         issued_non_pic_error_.
9621         (class Target_arm::Scan): Declare new method check_non_pic.
9622         Define new method symbol_needs_plt_entry.
9623         Declare new data member issued_non_pic_error_.
9624         (class Target_arm::Relocate): Declare new method
9625         should_apply_static_reloc.
9626         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9627         (Target_arm::Scan::check_non_pic): Define new method.
9628         (Target_arm::Scan::local): Handle a small subset of reloc types used
9629         by Android.
9630         (Target_arm::Scan::local): Same.
9631         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9632
9633 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9634
9635         * incremental.cc (Incremental_inputs::report_command_line): Filter
9636         out --incremental-* options.
9637
9638 2009-05-29  Doug Kwan  <dougkwan@google.com>
9639
9640         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9641         template class.
9642         (class Target_arm): Update comment.
9643         (Target_arm::Target_arm): Initialize new data members GOT_,
9644         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9645         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9646         and Target_arm::rel_dyn_section.
9647         Declare new_enum Target_arm::Got_type.
9648         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9649         and DYNBSS_.
9650         Update commments for member do_dynsym_value.
9651         (Target_arm::got_size, Target_arm::plt_section,
9652         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9653         new methods inside class defintion.
9654         (Target_arm::got_section): Define new method.
9655         (Target_arm::rel_dyn_section): Same.
9656         (Output_data_plt_arm): New template class.
9657         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9658         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9659         (Output_data_plt_arm::add_entry): Same.
9660         (Output_data_plt_arm::first_plt_entry): Define new
9661         static data member for PLT instruction template.
9662         (Output_data_plt_arm::plt_entry): Same.
9663         (Output_data_plt_arm::do_write): Define new method.
9664         (Target_arm::make_plt_entry): Same.
9665         (Target_arm::do_finalize_sections): Same.
9666         (Target_arm::do_dynsym_value): Same.
9667
9668 2009-05-28  Doug Kwan  <dougkwan@google.com>
9669
9670         * Makefile.am (TARGETSOURCES): Add arm.cc.
9671         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9672         * Makefile.in: Regenerate.
9673         * arm.cc: New file.
9674         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9675
9676 2009-05-26  Doug Kwan  <dougkwan@google.com>
9677
9678         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9679         (General_options::check_excluded_libs): Strip off directories in
9680         archive name before matching like GNU ld does.
9681         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9682         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9683         (exclude_libs_test_LDFLAGS): Add linker option
9684         -Wl,--exclude-libs,libexclude_libs_test_3
9685         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9686         an explicit archive without using -l.
9687         (alt/libexclude_libs_test_3.a): New make rule.
9688         * testsuite/Makefile.in: Regenerate.
9689         * testsuite/exclude_libs_test.c : Declare lib3_default().
9690         (main): Call it.
9691         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9692         * exclude_libs_test_3.c: New file.
9693
9694 2009-05-26  Nick Clifton  <nickc@redhat.com>
9695
9696         * po/id.po: New Indonesian translation.
9697         * po/gold.pot: Updated template file.
9698
9699 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9700
9701         * testsuite/Makefile.am: Add -ffunction-sections to compile
9702         gc_comdat_test files.  Add -Wl,--gc-sections to build
9703         gc_comdat_test.
9704         * testsuite/Makefile.in: Regenerate.
9705         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9706
9707 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9708
9709         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9710         kept comdat section was garbage collected.
9711         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9712         * testsuite/Makefile.in: Regenerate.
9713         * testsuite/gc_comdat_test.sh: New file.
9714         * testsuite/gc_comdat_test_1.cc: New file.
9715         * testsuite/gc_comdat_test_2.cc: New file.
9716
9717 2009-05-19  Doug Kwan  <dougkwan@google.com>
9718
9719         * archive.cc (Archive::Archive): Move constructor from archive.h
9720         to here.  Initialize no_export_.
9721         (Archive::get_elf_object_for_member): Set no_export flag of object.
9722         * archive.h (Archive::Archive): Move constructor body to
9723         archive.cc.
9724         (Archive::no_export): New method.
9725         (Archive::no_export_): New field.
9726         * object.h (Object::Object): Initialize no_export_ to false.
9727         (Object::no_export, Object::set_no_export): New methods.
9728         (Object::no_export_): New field.
9729         * options.cc (General_options::parse_exclude_libs): New method.
9730         (General_options::check_excluded_libs) Same.
9731         * options.h (exclude_libs): New option.
9732         (General_options::check_excluded_libs): New method declaration.
9733         (General_options::excluded_libs_): New field.
9734         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9735         default or protected visibility if an object has no-export flag set.
9736         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9737         (check_SCRIPTS): Add exclude_libs_test.sh.
9738         (check_DATA): Add exclude_libs_test.syms.
9739         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9740         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9741         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9742         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9743         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9744         libexclude_libs_test_2.a): New rules.
9745         * testsuite/Makefile.in: Regenerate.
9746         * testsuite/exclude_libs_test.c: New file.
9747         * testsuite/exclude_libs_test.sh: Ditto.
9748         * testsuite/exclude_libs_test_1.c: Ditto.
9749         * testsuite/exclude_libs_test_2.c: Ditto.
9750
9751 2009-05-15  Ian Lance Taylor  <iant@google.com>
9752
9753         * configure.ac: Check for declarations for cases where libiberty.h
9754         checks HAVE_DECL_xxx.
9755         * configure, config.in: Rebuild.
9756
9757 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9758
9759         * gold.h (Incremental_argument_list): Remove (invalid) forward
9760         declaration.
9761         * incremental.cc (Incremental_inputs::report_achive): New method.
9762         (Incremental_inputs::report_object): New method.
9763         (Incremental_inputs::report_script): New method.
9764         (Incremental_inputs::finalize_inputs): New method.
9765         (Incremental_inputs::finalize): Call finalize_inputs().
9766         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9767         Create inputs entries.
9768         * incremental.h (Incremental_input_type): New enum.
9769         (Incremental_inputs::Incremental_input): Initialize new fields.
9770         (Incremental_inputs::report_inputs): New method.
9771         (Incremental_inputs::report_achive): New method.
9772         (Incremental_inputs::report_object): New method.
9773         (Incremental_inputs::report_script): New method.
9774         (Incremental_inputs::finalize_inputs): New method.
9775         (Incremental_inputs::Input_info): New struct.
9776         (Incremental_inputs::Input_info_map): New typedef.
9777         (Incremental_inputs::lock_): New field.
9778         (Incremental_inputs::Inputs_): New field.
9779         (Incremental_inputs::Inputs_map): New field.
9780         * main.cc (main): Call Incremental_input::report_inputs.
9781         * options.h (Input_argument_list): Typedef moved from
9782         Input_arguments.
9783         (Input_file_group::Files): Remove, use ::Input_argument_list.
9784         (Input_file_group::Input_argument_list): Remove, use
9785         ::Input_argument_list.
9786         * plugin.cc (Plugin_manager::add_input_file): Add error in
9787         incremental build.
9788         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9789         functions.
9790         * script.cc (read_input_script): Call
9791         Incremental_input::report_script.
9792         * script.h (Script_info): New class.
9793
9794 2009-04-27  Ian Lance Taylor  <iant@google.com>
9795
9796         * x86_64.cc (do_adjust_output_section): Set entsize to
9797         plt_entry_size.
9798
9799 2009-04-23  Elliott Hughes  <enh@google.com>
9800
9801         * output.cc (Output_file::close): After short writes, continue
9802         writing from the correct offset in the buffer being written.
9803
9804 2009-04-23  Chris Demetriou  <cgd@google.com>
9805
9806         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9807         * configure: Regenerate.
9808         * config.in: Regenerate.
9809         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9810         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9811
9812 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9813
9814         * incremental.cc (Incremental_inputs_header_data): Renamed from
9815         Incremental_input_header_data.
9816         (Incremental_inputs_header_data::data_size): New field.
9817         (Incremental_inputs_header_data::put_input_file_count): Renamed
9818         from input_file_count.
9819         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9820         from command_line_offset.
9821         (Incremental_inputs_header_data::put_reserved): Renamed from
9822         put_reserved.
9823         (Incremental_inputs_entry_data): Renamed from
9824         Incremental_input_entry_data.
9825         (Incremental_inputs_entry_data::data_size): New field.
9826         (Incremental_inputs::report_command_line): New method.
9827         (Incremental_inputs::finalize): New method.
9828         (Incremental_inputs::create_incremental_inputs_data): New method.
9829         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9830         * incremental.h: New file.
9831         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9832        (Layout::finalize): Create incremental inputs section in
9833         incremental builds.
9834        (Layout::create_incremental_info_sections): New method.
9835         * layout.h (Layout::incremental_inputs): New method.
9836        (Layout::create_incremental_info_sections): New method.
9837        (Layout::incremental_inputs_): New field.
9838         * main.cc (main): Notify Incremental_input of the command line.
9839
9840 2009-04-01  Ian Lance Taylor  <iant@google.com>
9841             Mikolaj Zalewski  <mikolajz@google.com>
9842
9843         * gold.h (reserve_unordered_map): Define, three versions, one for
9844         each version of Unordered_map.
9845         * layout.cc (Layout::Layout): Remove options parameter.  Add
9846         number_of_input_files parameter.  Don't initialize options_.
9847         Initialize number_of_input_files_ and resized_signatures_.  Move
9848         sections_are_attached_.
9849         (Layout::layout_group): Reserve space for group_signatures_.
9850         (Layout::find_or_add_kept_section): Change name parameter to be a
9851         reference.  Resize signatures_ map when it gets large enough.
9852         (Layout::layout_eh_frame): Use parameters->options() instead of
9853         this->options_.
9854         (Layout::make_output_section): Likewise.
9855         (Layout::attach_allocated_section_to_segment): Likewise.
9856         (Layout::finalize, Layout::create_executable_stack): Likewise.
9857         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9858         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9859         * layout.h (class Layout): Update declarations.  Remove options_
9860         field.  Add number_of_input_files_ and resized_signatures_
9861         fields.  Move sections_are_attached_ field.
9862         * main.cc (main): Pass number of input files to Layout
9863         constructor.  Don't pass options.
9864
9865 2009-03-30  Ian Lance Taylor  <iant@google.com>
9866
9867         * ffsll.c (ffsll): Correct implementation.
9868
9869 2009-03-27  Ian Lance Taylor  <iant@google.com>
9870
9871         * ffsll.c: New file.
9872         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9873         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9874         * ftruncate.c (ftruncate): Declare before definition.
9875         * mremap.c (mremap): Likewise.
9876         * pread.c (pread): Likewise.
9877         * configure, Makefile.in, config.in: Rebuild.
9878
9879         * mremap.c: New file.
9880         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9881         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9882         (mremap): Declare if HAVE_MREMAP is not defined.
9883         * configure, Makefile.in, config.in: Rebuild.
9884
9885 2009-03-27  Cary Coutant  <ccoutant@google.com>
9886
9887         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9888         position independent.
9889         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9890         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9891
9892 2009-03-24  Cary Coutant  <ccoutant@google.com>
9893
9894         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9895         an executable.
9896         (needs_dynamic_reloc): Likewise.
9897
9898 2009-03-24  Ian Lance Taylor  <iant@google.com>
9899
9900         * yyscript.y (file_cmd): Recognize EXTERN.
9901         (extern_name_list, extern_name_list_body): New nonterminals.
9902         * script.cc (script_add_extern): Define.
9903         * script-c.h (script_add_extern): Declare.
9904
9905 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9906
9907         * object.cc (is_elf_object): Define.
9908         * object.h (is_elf_object): Declare.
9909         * archive.cc (Archive::get_elf_object_for_member): Call
9910         is_elf_object.
9911         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9912
9913 2009-03-24  Elliott Hughes  <enh@google.com>
9914
9915         * output.cc (Output_file::map_anonymous): Define.
9916         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9917         try an anonymous one.  Report the size if the mmap fails.
9918         * output.h (class Output_file): Declare map_anonymous.
9919
9920 2009-03-24  Ian Lance Taylor  <iant@google.com>
9921
9922         * target-select.cc (instantiate_target): Don't acquire the lock if
9923         the instantiated_target_ field has already been set.
9924
9925 2009-03-23  Ian Lance Taylor  <iant@google.com>
9926
9927         * gold-threads.h (class Initialize_lock): Define.
9928         * gold-threads.cc (class Initialize_lock_once): Define.
9929         (initialize_lock_control): New static variable.
9930         (initialize_lock_pointer): New static variable.
9931         (initialize_lock_once): New static function.
9932         (Initialize_lock::Initialize_lock): Define.
9933         (Initialize_lock::initialize): Define.
9934         * target-select.h: Include "gold-threads.h".
9935         (class Target_selector): Add lock_ and initialize_lock_ fields.
9936         Don't define instantiate_target, just declare it.
9937         * target-select.cc (Target_selector::Target_selector): Initialize
9938         new fields.
9939         (Target_selector::instantiate_target): Define.
9940         * descriptors.h: Include "gold-threads.h".
9941         (class Descriptors): Add initialize_lock_ field.
9942         * descriptors.cc (Descriptors::Descriptors): Initialize new
9943         field.
9944         (Descriptors::open): Use initialize_lock_ field
9945         * errors.h (class Errors): Add initialize_lock_ field.
9946         * errors.cc (Errors::Errors): Initialize new field.
9947         (Errors::initialize_lock): Use initialize_lock_ field.
9948         * powerpc.cc (class Target_selector_powerpc): Remove
9949         instantiated_target_ field.  In do_recognize call
9950         instantiate_target rather than do_instantiate_target.  In
9951         do_instantiate_target just allocate a new target.
9952         * sparc.cc (class Target_selector_sparc): Likewise.
9953
9954         * freebsd.h: New file.
9955         * i386.cc: Include "freebsd.h".
9956         (Target_i386): Derive from Target_freebsd rather than
9957         Sized_target.
9958         (Target_selector_i386): Derive from Target_selector_freebsd rather
9959         than Target_selector.
9960         * x86_64.cc: Include "freebsd.h".
9961         (Target_x86_64): Derive from Target_freebsd rather than
9962         Sized_target.
9963         (Target_selector_x86_64): Derive from Target_selector_freebsd
9964         rather than Target_selector.
9965         * target.h (class Target): Add adjust_elf_header and
9966         do_adjust_elf_header.
9967         * output.cc (Output_file_header:: do_sized_write): Call target
9968         adjust_elf_header routine.
9969         * configure.tgt: Set targ_osabi.
9970         * configure.ac: Define GOLD_DEFAULT_OSABI.
9971         * parameters.cc (Parameters::default_target): Pass
9972         GOLD_DEFAULT_OSABI to select_target.
9973         * target-select.h (class Target_selector): Make instantiate_target
9974         protected rather than private.
9975         * Makefile.am (HFILES): Add freebsd.h.
9976         * configure, Makefile.in, config.in: Rebuild.
9977
9978         * merge.cc (do_add_input_section): Correct pend value.  Change
9979         message about last entry not being null terminated from error to
9980         warning.
9981
9982 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9983
9984         * incremental.cc: New file.
9985         * Makefile.am (CCFILES): Add incremental.cc.
9986         * Makefile.in: Rebuild.
9987
9988 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9989
9990         * layout.cc (Layout::output_section_name): Preserve names
9991         of '.note.' sections.
9992
9993 2009-03-19  Ian Lance Taylor  <iant@google.com>
9994
9995         * descriptors.cc (Descriptors::open): Check that the options are
9996         valid before using them.
9997
9998 2009-03-18  Ian Lance Taylor  <iant@google.com>
9999
10000         * script-sections.h: Include <list>.
10001         (class Script_sections): Change Sections_elements from std::vector
10002         to std::list.  Typedef public Elements_iterator.  Add
10003         orphan_section_placement_, data_segment_align_start_, and
10004         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10005         field.
10006         * script-sections.cc (class Orphan_section_placement): New class.
10007         (class Sections_element): Add virtual functions is_relro and
10008         orphan_section_init.  Remove virtual function place_orphan_here.
10009         (class Output_section_definition): Add is_relro and
10010         orphan_section_init.  Remove place_orphan_here.
10011         (class Orphan_output_section): Likewise.
10012         (Script_sections::Script_sections): Update for field changes.
10013         (Script_sections::data_segment_align): Set saw_data_segment_align_
10014         and data_segment_align_start_, not data_segment_align_index.
10015         (Script_sections::data_segment_relro_end): Check
10016         saw_data_segment_align_.  Use data_segment_align_start_ rather
10017         than data_segment_align_index_.
10018         (Script_sections::place_orphan): Rewrite to use
10019         Orphan_section_placement.
10020
10021 2009-03-17  Ian Lance Taylor  <iant@google.com>
10022
10023         * archive.cc (Archive::add_symbols): Check for a version attached
10024         to the symbol name in the archive map.
10025         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10026         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10027         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10028         (ver_test_11.a): New target.
10029         * testsuite/Makefile.in: Rebuild.
10030
10031         * configure.ac: Check for chsize and posix_fallocate.  Replace
10032         ftruncate.
10033         * ftruncate.c: New file, from gnulib.
10034         * output.cc (posix_fallocate): Define dummy version if not
10035         HAVE_POSIX_FALLOCATE.
10036         (Output_file::map): Call posix_fallocate rather than lseek and
10037         write.
10038         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10039         * configure, Makefile.in, config.in: Rebuild.
10040
10041 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10042
10043         * layout.h (Layout::create_note): Add section_name parameter.
10044         * layout.cc (Layout::create_note): Likewise.
10045         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10046
10047 2009-03-17  Ian Lance Taylor  <iant@google.com>
10048
10049         * descriptors.cc: Include "options.h".
10050         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10051         (Descriptors::open): Always use O_CLOEXEC when opening a new
10052         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10053         then set FD_CLOEXEC.
10054
10055         * sparc.cc (class Target_sparc): Add has_got_section.
10056         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10057         make sure we have a GOT section.
10058
10059         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10060         (Target_sparc::Scan::local): Likewise.
10061         (Target_sparc::Scan::global): Likewise.
10062         (Target_sparc::Relocate::relocate): Likewise.
10063         (Target_sparc::Relocate::relocate_tls): Likewise.
10064
10065         * symtab.cc (Symbol_table::define_default_version): New function,
10066         broken out of add_from_object.
10067         (Symbol_table::add_from_object): Call define_default_version.
10068         (Symbol_table::define_special_symbol): Add resolve_oldsym
10069         parameter.  Change all callers.  If the version for a symbol comes
10070         from a version script, resolve it with the symbol with the same
10071         name with no version.  Also add the symbol without a version if
10072         appropriate.
10073         (do_define_in_output_data): If resolving with oldsym, don't delete
10074         sym.
10075         (do_define_in_output_segment): Likewise.
10076         (do_define_as_constant): Likewise.
10077         * symtab.h (class Symbol_table): Update declarations.
10078
10079 2009-03-13  Ian Lance Taylor  <iant@google.com>
10080
10081         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10082         (Read_symbols::requeue): New function.
10083         (Read_symbols::do_read_symbols): If make_elf_object fails because
10084         the target type is not configured, and the file was searched for,
10085         issue a warning and retry with the next directory.
10086         (Add_symbols::run): If the file has an incompatible format, and
10087         it was searched for, requeue the Read_symbols task.  On error,
10088         release the object.
10089         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10090         dirindex parameter to constructor.  Change all callers.  Declare
10091         incompatible_warning and requeue.
10092         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10093         input_argument_ and input_group_ fields.  Add them to
10094         constructor.  Change all callers.
10095         (class Read_script): Add dirindex_ field.  Add it to constructor.
10096         Change all callers.
10097         * archive.cc (Archive::setup): Remove input_objects parameter.
10098         Change all callers.
10099         (Archive::get_file_and_offset): Likewise.
10100         (Archive::read_all_symbols): Likewise.
10101         (Archive::read_symbols): Likewise.
10102         (Archive::get_elf_object_for_member): Remove input_objects
10103         parameter.  Add punconfigured parameter.  Change all callers.
10104         (Archive::add_symbols): Change return type to bool.  Check return
10105         value of include_member.
10106         (Archive::include_all_members): Likewise.
10107         (Archive::include_member): Change return type to bool.  Return
10108         false if first included object has incompatible target.  Set
10109         included_member_ field.
10110         (Add_archive_symbols::run): If add_symbols returns false, requeue
10111         Read_symbols task.
10112         * archive.h (class Archive): Add included_member_ field.
10113         Initialize it in constructor.  Add input_file and searched_for
10114         methods.  Update declarations.
10115         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10116         input_argument_ fields.  Add them to constructor.  Change all
10117         callers.
10118         * script.cc: Include "target-select.h".
10119         (class Parser_closure): Add skip_on_incompatible_target_ and
10120         found_incompatible_target_ fields.  Add
10121         skip_on_incompatible_target parameter to constructor.  Change all
10122         callers.  Add methods skip_on_incompatible_target,
10123         clear_skip_on_incompatible_target, found_incompatible_target, and
10124         set_found_incompatible_target.
10125         (read_input_script): Add dirindex parameter.  Change all callers.
10126         If parser finds an incompatible target, requeue Read_symbols
10127         task.
10128         (script_set_symbol): Clear skip_on_incompatible_target in
10129         closure.
10130         (script_add_assertion, script_parse_option): Likewise.
10131         (script_start_sections, script_add_phdr): Likewise.
10132         (script_check_output_format): New function.
10133         * script.h (read_input_script): Update declaration.
10134         * script-c.h (script_check_output_format): Declare.
10135         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10136         (ignore_cmd): Remove OUTPUT_FORMAT.
10137         * fileread.cc (Input_file::Input_file): Add explicit this.
10138         (Input_file::will_search_for): New function.
10139         (Input_file::open): Add pindex parameter.  Change all callers.
10140         * fileread.h (class Input_file): Add input_file_argument method.
10141         Declare will_search_for.  Update declarations.
10142         * object.cc (make_elf_object): Add punconfigured parameter.
10143         Change all callers.
10144         * object.h (class Object): Make input_file public.  Add
10145         searched_for method.
10146         (make_elf_object): Update declaration.
10147         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10148         restart search.
10149         * dirsearch.h (class Dirsearch): Update declaration.
10150         * options.h (class General_options): Add --warn-search-mismatch.
10151         * parameters.cc (Parameters::is_compatible_target): New function.
10152         * parameters.h (class Parameters): Declare is_compatible_target.
10153         * workqueue.cc (Workqueue::add_blocker): New function.
10154         * workqueue.h (class Workqueue): Declare add_blocker.
10155
10156         * fileread.cc (Input_file::open): Remove options parameter.
10157         Change all callers.
10158         (Input_file::open_binary): Likewise.
10159         * script.cc (read_input_script): Likewise.
10160         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10161         options parameter from constructor.  Change all callers.
10162         (class Read_script): Likewise.
10163         * fileread.h (class Input_file): Update declarations.
10164         * script.h (read_input_script): Update declaration.
10165
10166 2009-03-10  Nick Clifton  <nickc@redhat.com>
10167
10168         * po/es.po: New Spanish translation.
10169
10170 2009-03-06  Cary Coutant  <ccoutant@google.com>
10171
10172         * options.cc (parse_short_option): Keep dash_z from registering itself.
10173
10174 2009-03-03  Ian Lance Taylor  <iant@google.com>
10175
10176         PR 9918
10177         * target-reloc.h (relocate_section): Pass output_section to
10178         relocate.
10179         * i386.cc (Target_i386::should_apply_static_reloc): Add
10180         output_section parameter.  Change all callers.
10181         (Target_i386::Relocate::relocate): Add output_section parameter.
10182         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10183         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10184         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10185         * testsuite/two_file_shared.sh: New script.
10186         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10187         (check_DATA): Add two_file_shared.dbg.
10188         (two_file_shared.dbg): New target.
10189         * testsuite/Makefile.in: Rebuild.
10190
10191 2009-03-01  Ian Lance Taylor  <iant@google.com>
10192
10193         * configure.ac: Check for byteswap.h.
10194         * configure: Rebuild.
10195         * config.in: Rebuild.
10196
10197 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10198
10199         * layout.cc (Layout::find_or_add_kept_section): New function.
10200         (Layout::add_comdat): Removed.
10201         * layout.h (struct Kept_section): Move out of class Layout.
10202         Remove trailing underscores from field names.  Add group_sections
10203         field.  Rename group_ field to is_group.  Change all uses.
10204         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10205         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10206         comdat_groups_ field.
10207         (Sized_relobj::include_section_group): Use
10208         find_or_add_kept_section and Kept_section::group_sections.
10209         (Sized_relobj::include_linkonce_section): Likewise.
10210         * object.cc (class Sized_relobj): Don't define Comdat_group or
10211         Comdat_group_table.  Remove find_comdat_group and
10212         add_comdat_group.  Remove comdat_groups_ field.
10213         * plugin.cc (include_comdat_group): Use
10214         Layout::find_or_add_kept_section.
10215
10216 2009-02-28  Ian Lance Taylor  <iant@google.com>
10217
10218         * README: --gc-sections and map files are now supported.  Document
10219         some build requirements.
10220
10221         PR 6992
10222         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10223         relocatable link set the value of the section symbol to zero.
10224         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10225         relocatable link don't include the section address in the local
10226         symbol value.
10227
10228 2009-02-27  Ian Lance Taylor  <iant@google.com>
10229
10230         PR 6811
10231         * options.h (class Search_directory): Add is_system_directory.
10232         (class General_options): Declare is_in_system_directory.
10233         * options.cc (get_relative_sysroot): Make static.
10234         (get_default_sysroot): Make static.
10235         (General_optoins::is_in_system_directory): New function.
10236         * fileread.cc (Input_file::is_in_system_directory): New function.
10237         * fileread.h (class Input_file): Declare is_in_system_directory.
10238         * object.h (class Object): Add is_in_system_directory.
10239         (class Input_objects): Remove system_library_directory_ field.
10240         * object.cc (Input_objects::add_object): Don't set
10241         system_library_directory_.
10242         (input_objects::found_in_system_library_directory): Remove.
10243         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10244         parameter.  Change all callers.
10245         (Symbol_table::sized_write_globals): Likewise.
10246         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10247         Call Object::is_in_system_directory.
10248         * symtab.h (class Symbol_table): Update declarations.
10249
10250         PR 5990
10251         * descriptors.h (Open_descriptor): Add is_on_stack field.
10252         * descriptors.cc (Descriptors::open): If the descriptor is on the
10253         top of the stack, remove it.  Initialize is_on_stack field.
10254         (Descriptors::release): Only add pod to stack if it is not on the
10255         stack already.
10256         (Descriptors::close_some_descriptor): Clear stack_next and
10257         is_on_stack fields.
10258
10259         PR 7091
10260         * output.cc (Output_section::find_starting_output_address): Rename
10261         from starting_output_address; add PADDR parameter; change return
10262         type.
10263         * output.h (class Output_section): Declare
10264         find_starting_output_address instead of starting_output_address.
10265         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10266         section symbol for which we can't find a merge section.
10267
10268         PR 9836
10269         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10270         hidden or internal, force the symbol to be local.
10271         * resolve.cc (Symbol::override_visibility): Define.
10272         (Symbol::override_base): Use override_visibility.
10273         (Symbol_table::resolve): Likewise.
10274         (Symbol::override_base_with_special): Likewise.
10275         (Symbol_table::override_with_special): If the visibility is hidden
10276         or internal, force the symbol to be local.
10277         * symtab.h (class Symbol): Add set_visibility and
10278         override_visibility.
10279         * testsuite/ver_test_1.sh: New file.
10280         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10281         (check_DATA): Add ver_test_1.syms.
10282         (ver_test_1.syms): New target.
10283         * testsuite/Makefile.in: Rebuild.
10284
10285 2009-02-25  Cary Coutant  <ccoutant@google.com>
10286
10287         * layout.cc (Layout::choose_output_section): Don't rename sections
10288         when using a linker script that has a SECTIONS clause.
10289         * Makefile.in: Regenerate.
10290
10291         * testsuite/Makefile.am (script_test_5.sh): New test case.
10292         * testsuite/Makefile.in: Regenerate.
10293         * testsuite/script_test_5.cc: New file.
10294         * testsuite/script_test_5.sh: New file.
10295         * testsuite/script_test_5.t: New file.
10296
10297 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10298
10299         * archive.cc (Archive::include_member): Update calls to add_symbols.
10300         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10301         the Layout argument.
10302         * dynobj.h (do_add_symbols): Add the Layout argument.
10303         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10304         Layout argument.
10305         * object.h (Object::add_symbols): Add the Layout argument.
10306         (Object::do_add_symbols): Add the Layout argument.
10307         (Sized_relobj::do_add_symbols): Add the Layout argument.
10308         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10309         Unify the two versions.
10310         (Add_plugin_symbols): Remove.
10311         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10312         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10313         (Add_plugin_symbols): Remove.
10314         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10315         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10316         (Add_symbols::run): Make it work with Pulginobj.
10317
10318 2009-02-06  Ian Lance Taylor  <iant@google.com>
10319
10320         * object.cc (Sized_relobj::do_layout): Make info message start
10321         with lower case letter.
10322
10323 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10324
10325         * binary.cc: Fix file comment.
10326
10327         * options.h (enum Incremental_disposition): Define.
10328         (class General_options): Add new options: --incremental,
10329         --incremental_changed, --incremental_unchanged,
10330         --incremental_unknown.  Add incremental_disposition_ and
10331         implicit_incremental_ fields.
10332         (General_options::incremental_disposition): New function.
10333         (class Position_dependent_options): Add incremental_disposition
10334         option.
10335         (Position_dependent_options::copy_from_options): Set incremental
10336         dispositions.
10337         * options.cc (General_options::parse_incremental_changed): New
10338         function.
10339         (General_options::parse_incremental_unchanged): New function.
10340         (General_options::parse_incremental_unknown): New function.
10341         (General_options::General_options): Initialize new fields
10342         incremental_disposition_ and implicit_incremental_.
10343         (General_options::finalize): Check for uasge of --incremental-*
10344         without --incremental.
10345
10346 2009-02-06  Chris Demetriou  <cgd@google.com>
10347
10348         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10349         pointer and to report location as the file name associated with
10350         the symbol.
10351         (gold_undefined_symbol_at_location): New function to replace the
10352         old gold_undefined_symbol functionality.
10353         * target-reloc.h (relocate_section): Update to use
10354         gold_undefined_symbol_at_location.
10355         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10356         Call gold_undefined_symbol function rather than gold_error.
10357         * errors.h (Errors::undefined_symbol): Take location as a
10358         string, rather than calculating it from a relocation.
10359         * errors.cc (Errors::fatal): Print "fatal error:" before the
10360         formatted message.
10361         (Errors::error, Errors::error_at_location): Print "error: "
10362         before the formatted message.
10363         (Errors::undefined_symbol): Take location as a string, rather
10364         than calculating it from a relocation.
10365         (gold_undefined_symbol_at_location): New function akin to
10366         old gold_undefined_symbol, calculates location from relocation.
10367         (gold_undefined_symbol): Change to take only a Symbol pointer
10368         and to report location as the file name associated with the symbol.
10369         * testsuite/debug_msg.sh: Update for changed error messages.
10370         * testsuite/undef_symbol.sh: Likewise.
10371
10372 2009-02-04  Duncan Sands  <baldrick@free.fr>
10373
10374         PR 9812
10375         * reduced_debug_output.h
10376         (Output_reduced_debug_abbrev_section::failed): Use format for
10377         gold_warning.
10378         (Output_reduced_debug_info_section::faild): Likewise.
10379
10380 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10381
10382         * script.cc (Lazy_demangler): New class.
10383         (Version_script_info::get_symbol_version_helper): Demangle a
10384         symbol only once.
10385
10386 2009-01-29  Cary Coutant  <ccoutant@google.com>
10387
10388         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10389         to __tls_get_addr.
10390         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10391
10392 2009-01-28  Ian Lance Taylor  <iant@google.com>
10393
10394         * version.cc (version_string): Bump to 1.9.
10395
10396         * gold.h: Include <cstring> and <stdint.h>.
10397         * version.cc: Include <cstdio>.
10398         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10399         warning.
10400         * reduced_debug_output.cc (insert_into_vector): Rename from
10401         Insert_into_vector; change all callers.  Use Swap_unaligned to
10402         avoid aliasing issue; remove union since it is unnecessary.
10403
10404 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10405
10406         * Makefile.am (CCFILES): Add gc.cc.
10407         (HFILES): Add gc.h.
10408         * Makefile.in: Regenerate.
10409         * gold.cc (Gc_runner): New class.
10410         (queue_initial_tasks): Call garbage collection related tasks
10411         when corresponding options are invoked.
10412         (queue_middle_gc_tasks): New function.
10413         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10414         processed early before laying out sections during garbage collection.
10415         * gold.h (queue_middle_gc_tasks): New function.
10416         (is_prefix_of): Move from "layout.cc".
10417         * i386.cc (Target_i386::gc_process_relocs): New function.
10418         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10419         * main.cc (main): Create object of class "Garbage_collection".
10420         * object.cc (Relobj::copy_symbols_data): New function.
10421         (Relobj::is_section_name_included): New function.
10422         (Sized_relobj::do_layout): Allow this function to be called twice
10423         during garbage collection and defer layout of section during the
10424         first call.
10425         * object.h (Relobj::get_symbols_data): New function.
10426         (Relobj::is_section_name_included): New function.
10427         (Relobj::copy_symbols_data): New function.
10428         (Relobj::set_symbols_data): New function.
10429         (Relobj::get_relocs_data): New function.
10430         (Relobj::set_relocs_data): New function.
10431         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10432         (Relobj::gc_process_relocs): New function.
10433         (Relobj::do_gc_process_relocs): New pure virtual function.
10434         (Relobj::sd_): New data member.
10435         (Sized_relobj::is_output_section_offset_invalid): New function.
10436         (Sized_relobj::do_gc_process_relocs): New function.
10437         * options.h (General_options::gc_sections): Modify to not be a no-op.
10438         (General_options::print_gc_sections): New option.
10439         * plugin.cc (Plugin_finish::run): Remove function call to
10440         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10441         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10442         * reloc.cc (Read_relocs::run): Add task to process relocs and
10443         determine unreferenced sections when doing garbage collection.
10444         (Gc_process_relocs): New class.
10445         (Sized_relobj::do_gc_process_relocs): New function.
10446         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10447         sections that are garbage collected.
10448         * reloc.h (Gc_process_relocs): New class.
10449         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10450         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10451         symbols whose corresponding sections are garbage collected.
10452         (Symbol_table::Symbol_table): Add new parameter for the garbage
10453         collection object.
10454         (Symbol_table::gc_mark_undef_symbols): New function.
10455         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10456         (Symbol_table::gc_mark_dyn_syms): New function.
10457         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10458         as garbage.
10459         (Symbol_table::add_from_object): Likewise.
10460         (Symbol_table::add_from_relobj): When building shared objects, do not
10461         treat externally visible symbols as garbage.
10462         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10463         table information for static and relocatable links.
10464         * symtab.h (Symbol_table::set_gc): New function.
10465         (Symbol_table::gc): New function.
10466         (Symbol_table::gc_mark_undef_symbols): New function.
10467         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10468         (Symbol_table::gc_mark_dyn_syms): New function.
10469         (Symbol_table::gc_): New data member.
10470         * target.h (Sized_target::gc_process_relocs): New pure virtual
10471         function.
10472         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10473         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10474
10475 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10476
10477         * options.h (General_options::gc_sections): Define as a no-op for now.
10478         (General_options::no_keep_memory): Ditto.
10479         (General_options::Bshareable): Define.
10480         * options.cc (General_options::finalize): Honor -Bshareable.
10481
10482 2009-01-20  Andreas Schwab  <schwab@suse.de>
10483
10484         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10485         read the value in the contents, since we don't use it.  Use the
10486         template endianness when writing.
10487         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10488
10489 2009-01-19  Andreas Schwab  <schwab@suse.de>
10490
10491         * configure.tgt (powerpc64-*): Fix targ_obj.
10492
10493 2009-01-15  Ian Lance Taylor  <iant@google.com>
10494
10495         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10496         local symbols when stripping all symbols.
10497
10498 2009-01-14  Cary Coutant  <ccoutant@google.com>
10499
10500         * output.cc (Output_reloc): Add explicit instantiations.
10501
10502 2009-01-14  Cary Coutant  <ccoutant@google.com>
10503
10504         * archive.cc (Archive::get_elf_object_for_member): Remove call
10505         to File_read::claim_for_plugin.
10506         * descriptors.cc (Descriptors::open): Remove reference to
10507         is_claimed.
10508         (Descriptors::claim_for_plugin): Remove.
10509         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10510         (Descriptors::is_claimed): Remove.
10511         (claim_descriptor_for_plugin): Remove.
10512         * fileread.cc (File_read::claim_for_plugin): Remove.
10513         * fileread.h (File_read::claim_for_plugin): Remove.
10514         (File_read::descriptor): Reopen descriptor if necessary.
10515         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10516         (Plugin_manager::all_symbols_read): Add task parameter. Change
10517         all callers.
10518         (Plugin_manager::get_input_file): New function.
10519         (Plugin_manager::release_input_file): New function.
10520         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10521         corresponding data member.
10522         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10523         and pass to base constructor. Change all callers.
10524         (get_input_file, release_input_file): New functions.
10525         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10526         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10527         (Plugin_manager::all_symbols_read): Add task parameter.
10528         (Plugin_manager::get_input_file): New function.
10529         (Plugin_manager::release_input_file): New function.
10530         (Plugin_manager::task_): New data member.
10531         (Pluginobj::Pluginobj): Add filesize parameter.
10532         (Pluginobj::filename): New function.
10533         (Pluginobj::descriptor): New function.
10534         (Pluginobj::filesize): New function.
10535         (Pluginobj::filesize_): New data member.
10536         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10537         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10538         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10539
10540         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10541         with archive libraries.
10542         * testsuite/Makefile.in: Regenerate.
10543         * testsuite/plugin_test.c (struct sym_info): New type.
10544         (get_input_file, release_input_file): New static variables.
10545         (onload): Capture new transfer vector entries.
10546         (claim_file_hook): Stop reading at end of file according to filesize.
10547         Factor out parsing of readelf output into separate function.
10548         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10549         APIs and get the source file name from the symbol table.  Convert
10550         source file name to corresponding object file name.  Print info
10551         message when adding new input files.
10552         (parse_readelf_line): New function.
10553         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10554         * testsuite/plugin_test_2.sh: Likewise.
10555         * testsuite/plugin_test_3.sh: Likewise.
10556         * testsuite/plugin_test_4.sh: New test case.
10557
10558 2009-01-07  Ian Lance Taylor  <iant@google.com>
10559
10560         * version.cc (version_string): Bump to 1.8.
10561
10562 2008-12-23  Cary Coutant  <ccoutant@google.com>
10563
10564         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10565         * plugin.cc (Plugin_manager::finish): Rename as
10566         layout_deferred_objects.  Move cleanup to separate function.
10567         (Plugin_manager::cleanup): New function.
10568         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10569         separately.
10570         * plugin.h (Plugin_manager::finish): Rename as
10571         layout_deferred_objects.
10572         (Plugin_manager::cleanup): New function.
10573         (Plugin_manager::cleanup_done): New field.
10574
10575 2008-12-23  Cary Coutant  <ccoutant@google.com>
10576
10577         * plugin.cc (is_visible_from_outside): New function.
10578         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10579         so we don't return "IR only" status for exported symbols or -r links.
10580
10581         * testsuite/Makefile.am (plugin_test_3): New test case.
10582         * testsuite/Makefile.in: Regenerate.
10583         * testsuite/plugin_test_3.sh: New file.
10584
10585 2008-12-22  Cary Coutant  <ccoutant@google.com>
10586
10587         * object.cc (Sized_relobj::layout_section): New function.
10588         (Sized_relobj::do_layout): Defer layout of input sections until after
10589         plugin has provided replacement files.
10590         (Sized_relobj::do_layout_deferred_sections): New function.
10591         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10592         (Relobj::layout_deferred_sections): New function.
10593         (Relobj::do_layout_deferred_sections): New function.
10594         (Sized_relobj::do_layout_deferred_sections): New function.
10595         (Sized_relobj::layout_section): New function.
10596         (Sized_relobj::Deferred_layout): New structure.
10597         (Sized_relobj::deferred_layout_): New field.
10598         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10599         Change all callers.  Layout deferred sections.
10600         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10601         references.
10602         (Plugin_hook::run): Move code from do_plugin_hook inline.
10603         (Plugin_hook::do_plugin_hook): Remove.
10604         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10605         (Plugin_manager::finish): Renamed, was cleanup.
10606         (Plugin_manager::should_defer_layout): New function.
10607         (Plugin_manager::add_deferred_layout_object): New function.
10608         (Plugin_manager::Deferred_layout_list): New type.
10609         (Plugin_manager::deferred_layout_objects_): New field.
10610         (Plugin_hook::do_plugin_hook): Remove.
10611
10612 2008-12-17  Ian Lance Taylor  <iant@google.com>
10613
10614         * options.h (class General_options): Add --no case for
10615         --export-dynamic.
10616
10617 2008-12-16  Cary Coutant  <ccoutant@google.com>
10618
10619         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10620         vector.
10621         (Plugin_manager::claim_file): Create plugin object even if
10622         plugin did not call the add_symbols callback.
10623         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10624         asking for more symbols than were added.
10625         * testsuite/Makefile.am (plugin_test_1): Add test case with
10626         no global symbols.
10627         (empty.syms): New target.
10628         * testsuite/Makefile.in: Regenerate.
10629         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10630         message. Don't call add_symbols if no globals.
10631         (all_symbols_read_hook): Don't provide replacement for empty
10632         claimed file.
10633
10634 2008-12-12  Ian Lance Taylor  <iant@google.com>
10635
10636         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10637         r_type == 0 for a local symbol with r_sym == 0.
10638         (scan_relocatable_relocs): Pass r_sym to
10639         local_non_section_strategy.
10640         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10641         r_sym parameter.
10642
10643         * configure.ac: Update test for TLS descriptors: they are
10644         supported as of glibc 2.9.
10645         * configure: Rebuild.
10646
10647 2008-12-11  Ian Lance Taylor  <iant@google.com>
10648
10649         PR 7091
10650         * target-reloc.h (Default_scan_relocatable_relocs): For each
10651         function, map r_type == 0 to RELOC_DISCARD.
10652
10653 2008-12-10  Cary Coutant  <ccoutant@google.com>
10654
10655         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10656         object to override a kept COMDAT group from a plugin object.
10657
10658 2008-12-09  Ian Lance Taylor  <iant@google.com>
10659
10660         PR 7088
10661         * yyscript.y (file_cmd): Handle INPUT.
10662
10663         * testsuite/initpri1.c: Change all declarations to be full
10664         prototypes by adding void, to avoid compiler warnings.
10665
10666 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10667
10668         * options.cc (General_options::parse_plugin_opt): New.
10669         (General_options::add_plugin): The argument now is just the filename.
10670         (General_options::add_plugin_option): New.
10671         * options.h (plugin_opt): New.
10672         (add_plugin): Change argument name.
10673         (add_plugin_option): New.
10674         * plugin.cc (Plugin::load): Don't parse the plugin option.
10675         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10676         (Plugin::add_option): New.
10677         (Plugin::args_): Change type.
10678         (Plugin::filename_): New.
10679         (Plugin_manager::add_plugin_option): New.
10680         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10681         * testsuite/Makefile.in: Regenerate.
10682
10683 2008-12-05  Cary Coutant  <ccoutant@google.com>
10684
10685         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10686         Handle --strip-lto-sections option.
10687         * options.h (strip_lto_sections): New option.
10688
10689 2008-12-01  Cary Coutant  <ccoutant@google.com>
10690
10691         * plugin.cc (ld_plugin_message): Change format parameter to const.
10692         Fix mismatch between new[] and delete.
10693
10694 2008-11-14  Cary Coutant  <ccoutant@google.com>
10695
10696         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10697         instead of -1U.
10698
10699 2008-11-05  Craig Silverstein  <csilvers@google.com>
10700
10701         * options.cc (General_options::parse_dynamic_list): New function.
10702         * options.h (General_options): New flags dynamic_list,
10703         dynamic_list_data, dynamic_list_cpp_new, and
10704         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10705         (General_options::in_dynamic_list): New function.
10706         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10707         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10708         (Lex::can_continue_name): Likewise.
10709         (yylex): Likewise.
10710         (read_script_file): New parameter script_options.
10711         (read_dynamic_list): New function.
10712         (Script_options::define_dynamic_list): New function.
10713         (dynamic_list_keyword_parsecodes): New variable.
10714         (dynamic_list_keywords): New variable.
10715         * script.h (Script_options::define_dynamic_list): New function
10716         prototype.
10717         (read_dynamic_list): New function prototype.
10718         * symtab.cc (strprefix): New macro.
10719         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10720         dynamic_list_data, dynamic_list_cpp_new, and
10721         dynamic_list_cpp_typeinfo.
10722         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10723         (dynamic_list_expr): New rule.
10724         (dynamic_list_nodes): Likewise.
10725         (dynamic_list_node): Likewise.
10726         * testsuite/Makefile.am (dynamic_list): New test.
10727         * testsuite/Makefile.in: Regenerated.
10728         * testsuite/dynamic_list.t: New file.
10729         * testsuite/dynamic_list.sh: New file.
10730
10731 2008-11-05  Craig Silverstein  <csilvers@google.com>
10732
10733         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10734         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10735         (t11_last): Likewise.
10736         * testsuite/ver_test_6.c (main): Likewise.
10737
10738 2008-10-07  Cary Coutant  <ccoutant@google.com>
10739
10740         * options.c (General_options::finalize): Add check for -static and
10741         -shared.
10742         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10743         is not empty.
10744
10745 2008-10-02  Cary Coutant  <ccoutant@google.com>
10746
10747         * plugin.cc (make_sized_plugin_object): Fix conditional
10748         compilation to work when not all targets are enabled.
10749
10750 2008-09-29  Cary Coutant  <ccoutant@google.com>
10751
10752         * archive.cc (Archive::get_file_and_offset): Use filename instead
10753         of name to get library path.
10754         (Archive::include_member): Unlock external member of a thin archive.
10755
10756         * testsuite/Makefile.am (TEST_AR): New variable.
10757         (thin_archive_test_1): New test.
10758         (thin_archive_test_2): New test.
10759         * testsuite/Makefile.in: Regenerate.
10760         * testsuite/thin_archive_main.cc: New file.
10761         * testsuite/thin_archive_test_1.cc: New file.
10762         * testsuite/thin_archive_test_2.cc: New file.
10763         * testsuite/thin_archive_test_3.cc: New file.
10764         * testsuite/thin_archive_test_4.cc: New file.
10765
10766 2008-09-29  Cary Coutant  <ccoutant@google.com>
10767
10768         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10769         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10770         instead of -1U.
10771         (Sized_relobj::do_finalize_local_symbols): Likewise.
10772         (Sized_relobj::map_to_kept_section): Likewise.
10773         * object.h (Sized_relobj::invalid_address): New constant.
10774         (Sized_relobj::do_output_section_offset): Check for invalid_address
10775         and return -1ULL.
10776         * output.cc (Output_reloc::local_section_offset): Use constant
10777         invalid_address instead of -1U.
10778         (Output_reloc::get_address): Likewise.
10779         (Output_section::output_address): Change -1U to -1ULL.
10780         * output.h (Output_reloc::invalid_address): New constant.
10781         * reloc.cc (Sized_relobj::write_sections): Use constant
10782         invalid_address instead of -1U.
10783         (Sized_relobj::relocate_sections): Likewise.
10784         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10785         values for merge sections.
10786         * target-reloc.h (relocate_for_relocatable): Use constant
10787         invalid_address instead of -1U.
10788
10789 2008-09-19  Cary Coutant  <ccoutant@google.com>
10790
10791         Add plugin functionality for link-time optimization (LTO).
10792         * configure.ac (plugins): Add --enable-plugins option.
10793         * configure: Regenerate.
10794         * config.in: Regenerate.
10795         * Makefile.am (LIBDL): New variable.
10796         (CCFILES): Add plugin.cc.
10797         (HFILES): Add plugin.h.
10798         (ldadd_var): Add LIBDL.
10799         * Makefile.in: Regenerate.
10800
10801         * archive.cc: Include "plugin.h".
10802         (Archive::setup): Don't preread archive symbols when using a plugin.
10803         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10804         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10805         files.
10806         (Archive::include_member): Add symbols from plugin objects.
10807         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10808         * descriptors.cc (Descriptors::open): Check for file descriptors
10809         abandoned by plugins.
10810         (Descriptors::claim_for_plugin): New function.
10811         * descriptors.h (Descriptors::claim_for_plugin): New function.
10812         (Open_descriptor::is_claimed): New field.
10813         (claim_descriptor_for_plugin): New function.
10814         * fileread.cc (File_read::claim_for_plugin): New function.
10815         * fileread.h (File_read::claim_for_plugin): New function.
10816         (File_read::descriptor): New function.
10817         * gold.cc: Include "plugin.h".
10818         (queue_initial_tasks): Add task to call plugin hooks for generating
10819         new object files.
10820         * main.cc: Include "plugin.h".
10821         (main): Load plugin libraries.
10822         * object.h (Pluginobj): Declare.
10823         (Object::pluginobj): New function.
10824         (Object::do_pluginobj): New function.
10825         (Object::set_target): New function.
10826         * options.cc: Include "plugin.h".
10827         (General_options::parse_plugin): New function.
10828         (General_options::General_options): Initialize plugins_ field.
10829         (General_options::add_plugin): New function.
10830         * options.h (Plugin_manager): Declare.
10831         (General_options): Add --plugin option.
10832         (General_options::has_plugins): New function.
10833         (General_options::plugins): New function.
10834         (General_options::add_plugin): New function.
10835         (General_options::plugins_): New field.
10836         * plugin.cc: New file.
10837         * plugin.h: New file.
10838         * readsyms.cc: Include "plugin.h".
10839         (Read_symbols::do_read_symbols): Check for archive before checking
10840         for ELF file.  Call plugin hooks to claim files.
10841         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10842         from a real object file; force override when processing replacement
10843         files.
10844         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10845         (Symbol::init_base_object): Likewise.
10846         (Symbol::init_base_output_data): Likewise.
10847         (Symbol::init_base_output_segment): Likewise.
10848         (Symbol::init_base_constant): Likewise.
10849         (Symbol::init_base_undefined): Likewise.
10850         (Symbol::output_section): Assert that object is not a plugin.
10851         (Symbol_table::add_from_pluginobj): New function.
10852         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10853         undefined.
10854         (Symbol_table::sized_write_globals): Likewise.
10855         (Symbol_table::add_from_pluginobj): Instantiate template.
10856         * symtab.h (Sized_pluginobj): Declare.
10857         (Symbol::in_real_elf): New function.
10858         (Symbol::set_in_real_elf): New function.
10859         (Symbol::in_real_elf_): New field.
10860         (Symbol_table::add_from_pluginobj): New function.
10861
10862         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10863         (LIBDL): New variable.
10864         (LDADD): Add LIBDL.
10865         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10866         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10867         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10868         (MOSTLYCLEANFILES): Likewise.
10869         * testsuite/Makefile.in: Regenerate.
10870         * testsuite/plugin_test.c: New file.
10871         * testsuite/plugin_test_1.sh: New file.
10872         * testsuite/plugin_test_2.sh: New file.
10873
10874 2008-09-16  Ian Lance Taylor  <iant@google.com>
10875
10876         * target-reloc.h (relocate_section): Check whether a symbol is
10877         defined by the ABI before reporting an undefined symbol error.
10878         * target.h (Target::is_defined_by_abi): Make parameter const.
10879         (Target::do_is_defined_by_abi): Likewise.
10880         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10881         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10882         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10883         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10884         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10885         * testsuite/Makefile.in: Rebuild.
10886
10887         * fileread.cc (make_view): Add casts to avoid warning.
10888
10889 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10890
10891         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10892         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10893
10894 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10895
10896         * options.h (General_options::output_is_executable): New.
10897         (General_options::output_is_pie): New.
10898         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10899         for shared libraries.
10900         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10901
10902 2008-09-11  Chris Demetriou  <cgd@google.com>
10903
10904         * options.h (origin): New -z option.
10905         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10906         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10907         in DT_FLAGS_1.
10908
10909 2008-09-05  Cary Coutant  <ccoutant@google.com>
10910
10911         * fileread.cc (File_read::make_view): Add check for attempt to map
10912         beyond end of file.
10913
10914 2008-09-05  Cary Coutant  <ccoutant@google.com>
10915
10916         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10917         explicit instantiations.
10918
10919 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10920
10921         PR gold/6858
10922         * options.cc (General_options::finalize): Allow undefined symbols
10923         in shlibs if linking -shared.
10924
10925         PR gold/6859
10926         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10927         symbols as not needing a dynsym entry.
10928
10929 2008-08-20  Craig Silverstein  <csilvers@google.com>
10930
10931         * fileread.cc (File_read::open): Do not lock the file unless it
10932         was successfully opened.
10933
10934 2008-08-14  Cary Coutant  <ccoutant@google.com>
10935
10936         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10937         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10938         * testsuite/tls_test.cc (struct int128): 128-bit struct
10939         for testing TLS relocs with non-zero addend.
10940         (v12): New TLS variable.
10941         (t12): New test.
10942         (t_last): Add check for v12.
10943         * testsuite/tls_test.h (t12): New function.
10944         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10945
10946 2008-08-13  Ian Lance Taylor  <iant@google.com>
10947
10948         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10949         set tls_segment_ or relro_segment_.
10950         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10951         when appropriate.
10952         * output.h (Output_section::clear_is_relro): New function.
10953         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10954         sections specially even when output_data_ is empty.
10955         (Output_segment::maximum_alignment): When first section is relro,
10956         only force alignment for PT_LOAD segments.
10957         * script.cc (script_data_segment_align): New function.
10958         (script_data_segment_relro_end): New function.
10959         * script-c.h (script_data_segment_align): Declare.
10960         (script_data_segment_relro_end): Declare.
10961         * script-sections.h (class Script_sections): Declare
10962         data_segment_align and data_segment_relro_end.  Add fields
10963         segment_align_index_ and saw_relro_end_.
10964         * script-sections.cc (class Sections_element): Add set_is_relro
10965         virtual function.  Add new bool* parameter to place_orphan_here.
10966         Add get_output_section virtual function.
10967         (class Output_section_definition): Add set_is_relro.  Add new
10968         bool* parameter to place_orphan_here.  Add get_output_section.
10969         Add is_relro_ field.
10970         (Output_section_definition::Output_section_definition): Initialize
10971         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10972         and is_relro_ fields.
10973         (Output_section_definition::place_orphan_here): Add is_relro
10974         parameter.
10975         (Output_section_definition::set_section_addresses): Set relro for
10976         output section.
10977         (Output_section_definition::alternate_constraint): Likewise.
10978         (class Orphan_output_section): Add new bool* parameter to
10979         place_orphan_here.  Add get_output_section.
10980         (Orphan_output_section::place_orphan_here): Add is_relro
10981         parameter.
10982         (Script_sections::Script_sections): Initialize
10983         data_segment_align_index_ and saw_relro_end_.
10984         (Script_sections::data_segment_align): New function.
10985         (Script_sections::data_segment_relro_end): New function.
10986         (Script_sections::place_orphan): Set or clear is_relro.
10987         (Script_sections::set_section_addresses): Force alignment of first
10988         TLS section.
10989         * yyscript.y (exp): Call script_data_segment_align and
10990         script_data_segment_relro_end.
10991         * testsuite/relro_script_test.t: New file.
10992         * testsuite/relro_test.cc (using_script): Declare.
10993         (t1, t2): Test using_script.
10994         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10995         (relro_script_test_SOURCES): Define.
10996         (relro_script_test_DEPENDENCIES): Define.
10997         (relro_script_test_LDFLAGS): Define.
10998         (relro_script_test_LDADD): Define.
10999         (relro_script_test.so): New target.
11000         * testsuite/Makefile.in: Rebuild.
11001
11002 2008-08-06  Cary Coutant <ccoutant@google.com>
11003
11004         * archive.cc (Archive::total_archives, Archive::total_members)
11005         (Archive::total_members_loaded): New variables.
11006         (Archive::setup): Add parameter.  Add option to preread
11007         archive symbols.
11008         (Archive::read_armap): Add counter.
11009         (Archive::get_file_and_offset): New function.
11010         (Archive::get_elf_object_for_member): New function.
11011         (Archive::read_all_symbols): New function.
11012         (Archive::read_symbols): New function.
11013         (Archive::add_symbols): Add counters.
11014         (Archive::include_all_members): Use armap to find members if it's
11015         already built.
11016         (Archive::include_member): Skip reading symbols if already read.
11017         Factored code into Archive::get_file_and_offset and
11018         Archive::get_elf_object_for_member.  Changed call to
11019         Mapfile::report_include_archive_member.
11020         (Archive::print_stats): New function.
11021         * archive.h: Declare Object and Read_symbols_data classes.
11022         (Archive::Archive): Add initializers for new members.
11023         (Archive::setup): Add parameter.
11024         (Archive::print_stats): New function.
11025         (Archive::total_archives, Archive::total_members)
11026         (Archive::total_members_loaded): New variables.
11027         (Archive::get_file_and_offset): New function.
11028         (Archive::get_elf_object_for_member): New function.
11029         (Archive::read_all_symbols): New function.
11030         (Archive::read_symbols): New function.
11031         (Archive::Archive_member): New class.
11032         (Archive::members_): New member.
11033         (Archive::num_members_): New member.
11034         * main.cc: Include archive.h.
11035         (main): Call Archive::print_stats.
11036         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11037         archive parameter; member_name is now the fully-decorated name.
11038         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11039         * options.h: (General_options): Add --preread-archive-symbols option.
11040         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11041         Archive::setup.
11042
11043 2008-08-04  Ian Lance Taylor  <iant@google.com>
11044
11045         * symtab.h (Symbol::use_plt_offset): New function.
11046         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11047         * powerpc.cc (Relocate::relocate): Likewise.
11048         * sparc.cc (Relocate::relocate): Likewise.
11049         * x86_64.cc (Relocate::relocate): Likewise.
11050         * testsuite/weak_plt.sh: New test.
11051         * testsuite/weak_plt_main.cc: New test.
11052         * testsuite/weak_plt_shared.cc: New test.
11053         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11054         (check_PROGRAMS): Add weak_plt.
11055         (check_DATA): Add weak_plt_shared.so.
11056         (weak_plt_main_pic.o, weak_plt): New targets.
11057         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11058         * testsuite/Makefile.in: Rebuild.
11059
11060         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11061         gcctestdir/ld.
11062         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11063         * testsuite/Makefile.in: Rebuild.
11064
11065 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11066
11067         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11068         * Makefile.in: Regenerate.
11069         * po/POTFILES.in: Regenerate.
11070
11071 2008-07-29  Ian Lance Taylor  <iant@google.com>
11072
11073         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11074         symbols before other symbols.
11075         * testsuite/script_test_2.cc (test_addr): Declare.
11076         (test_addr_alias): Declare.
11077         (main): Check that test_addr and test_addr_alias have the right
11078         values.
11079         * testsuite/script_test_2.t: Define test_addr_alias and
11080         test_addr.
11081
11082 2008-07-24  Ian Lance Taylor  <iant@google.com>
11083
11084         PR 5990
11085         * descriptors.cc: New file.
11086         * descriptors.h: New file.
11087         * gold-threads.h (class Hold_optional_lock): New class.
11088         * fileread.cc: Include "descriptors.h".
11089         (File_read::~File_read): Release descriptor rather than closing
11090         it.
11091         (File_read::open) [file]: Call open_descriptor rather than open.
11092         Set is_descriptor_opened_.
11093         (File_read::open) [memory]: Assert that descriptor is not open.
11094         (File_read::reopen_descriptor): New function.
11095         (File_read::release): Release descriptor.
11096         (File_read::do_read): Make non-const.  Reopen descriptor.
11097         (File_read::read): Make non-const.
11098         (File_read::make_view): Reopen descriptor.
11099         (File_read::do_readv): Likewise.
11100         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11101         Update declarations.
11102         * layout.cc: Include "descriptors.h".
11103         (Layout::create_build_id): Use open_descriptor rather than open.
11104         * output.cc: Include "descriptors.h".
11105         (Output_file::open): Use open_descriptor rather than open.
11106         * archive.cc (Archive::const_iterator): Change Archive to be
11107         non-const.
11108         (Archive::begin, Archive::end): Make non-const.
11109         (Archive::count_members): Likewise.
11110         * archive.h (class Archive): Update declarations.
11111         * object.h (Object::read): Make non-const.
11112         * Makefile.am (CCFILES): Add descriptors.cc.
11113         (HFILES): Add descriptors.h.
11114         * Makefile.in: Rebuild.
11115
11116         PR 6716
11117         * gold.h: Always include <clocale>.  Add Solaris workarounds
11118         following code in binutils/sysdep.h.
11119
11120         PR 6048
11121         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11122         this->eh_frame_hdr_ is NULL before using it.
11123
11124         * dynobj.cc (Versions::Versions): Update comment.
11125
11126         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11127         the base version name.
11128
11129         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11130         array size plus one.
11131         (Stringpool_template::set_string_offsets): Subtract one from key
11132         before using it as an array index.
11133         (Stringpool_template::get_offset_with_length): Likewise.
11134         (Stringpool_template::write_to_buffer): Likewise.
11135         * stringpool.h (Stringpool_template::get_offset_from_key):
11136         Likewise.
11137
11138 2008-07-23  Ian Lance Taylor  <iant@google.com>
11139
11140         PR 6658
11141         * object.h (Merged_symbol_value::value): Do our best to handle a
11142         negative addend.
11143
11144         PR 6647
11145         * script.cc (Version_script_info::get_versions): Don't add empty
11146         version tag to return value.
11147         (Version_script_info::get_symbol_version_helper): Change return
11148         type to bool.  Add pversion parameter.  Change all callers.
11149         (script_register_vers_node): Don't require a non-NULL tag.
11150         * script.h (class Version_script_info): Update declarations.
11151         (Version_script_info::get_symbol_version): Change return type to
11152         bool.  Add version parameter.  Change all callers.
11153         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11154         handling.  Handle an empty version from a version script.
11155         (Symbol_table::define_special_symbol): Likewise.
11156         * testsuite/ver_test_10.script: New file.
11157         * testsuite/ver_test_10.sh: New file.
11158         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11159         (check_DATA): Add ver_test_10.syms.
11160         (ver_test_10.syms, ver_test_10.so): New target.
11161         * testsuite/Makefile.in: Rebuild.
11162
11163 2008-07-23  Simon Baldwin  <simonb@google.com>
11164
11165         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11166         to zero for undefined symbols from dynamic libraries.
11167
11168 2008-07-23  Ian Lance Taylor  <iant@google.com>
11169
11170         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11171         Change all callers.
11172         * symtab.h (class Symbol_table): Update declaration.
11173         * testsuite/ver_test_9.cc: New file.
11174         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11175         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11176         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11177         (ver_test_9.so, ver_test_9.o): New targets.
11178         * testsuite/Makefile.in: Rebuild.
11179
11180 2008-07-22  Ian Lance Taylor  <iant@google.com>
11181
11182         * options.h (class General_options): Define --check-sections.
11183         * layout.cc (Layout::set_segment_offsets): Handle
11184         --check-sections.
11185
11186         * options.h (class General_options): Define -n/--nmagic and
11187         -N/--omagic.
11188         * options.cc (General_options::finalize): For -n/--nmagic or
11189         -N/--omagic, set -static.
11190         * layout.cc (Layout::attach_allocated_section_to_segment): If
11191         -N/--omagic, don't put read-only and read-write sections in
11192         different segments.
11193         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11194         finding a read-only segment.
11195         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11196         don't set the minimum segment alignment to the common page size,
11197         and don't set the file offset to the address modulo the page size.
11198         * script-sections.cc (Script_sections::create_segments): If
11199         -n/--omagic, don't put read-only and read-write sections in
11200         different segments.
11201
11202         * cref.cc: New file.
11203         * cref.h: New file.
11204         * options.h (class General_options): Add --print-symbol-counts.
11205         * main.cc (main): Issue defined symbol report if requested.
11206         * archive.cc (Archive::interpret_header): Make into a const member
11207         function.
11208         (Archive::add_symbols): Call Input_objects::archive_start and
11209         archive_stop.
11210         (Archive::const_iterator): Define new class.
11211         (Archive::begin, Archive::end): New functions.
11212         (Archive::include_all_members): Rewrite to use iterator.
11213         (Archive::count_members): New function.
11214         * archive.h (class Archive): Update declarations.
11215         (Archive::filename): New function.
11216         * object.cc: Include "cref.h".
11217         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11218         (Sized_relobj::do_get_global_symbol_counts): New function.
11219         (Input_objects::add_object): Add object to cross-referencer.
11220         (Input_objects::archive_start): New function.
11221         (Input_objects::archive_stop): New function.
11222         (Input_objects::print_symbol_counts): New function.
11223         * object.h: Declare Cref and Archive.
11224         (Object::get_global_symbol_counts): New function.
11225         (Object::do_get_global_symbol_counts): New pure virtual function.
11226         (class Sized_relobj): Add defined_count_ field.  Update
11227         declarations.
11228         (class Input_objects): Add cref_ field.  Update constructor.
11229         Update declarations.
11230         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11231         defined_count_.
11232         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11233         symbol counts.
11234         (Sized_dynobj::do_get_global_symbol_counts): New function.
11235         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11236         defined_count_.  Update declarations.  Define Symbols typedef.
11237         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11238         parameter.  Change all callers.
11239         (Symbol_table::add_from_dynobj): Add sympointers and defined
11240         parameters.  Change all callers.
11241         * symtab.h (class Symbol_table): Update declarations.
11242         * Makefile.am (CCFILES): Add cref.cc.
11243         (HFILES): Add cref.h.
11244         * Makefile.in: Rebuild.
11245
11246 2008-07-22  Simon Baldwin  <simonb@google.com>
11247
11248         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11249         to zero when writing undefined symbols.
11250
11251 2008-07-22  Ian Lance Taylor  <iant@google.com>
11252
11253         * output.cc (Output_section::add_input_section): Don't try to
11254         merge empty merge sections.
11255
11256 2008-07-21  Craig Silverstein  <csilvers@google.com>
11257
11258         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11259         Include symbol version in error message.
11260
11261 2008-07-20  Chris Demetriou  <cgd@google.com>
11262
11263         * configure.ac (gold_cv_c_random_seed): New configured variable.
11264         (RANDOM_SEED_CFLAGS): New substituted variable.
11265         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11266         * configure: Rebuild.
11267         * Makefile.in: Likewise.
11268         * testsuite/Makefile.in: Likewise.
11269
11270 2008-07-18  Ian Lance Taylor  <iant@google.com>
11271
11272         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11273         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11274         * testsuite/ver_test_main.cc (main): Call t4.
11275         (t4, t4_2a): Define.
11276         * testsuite/ver_test_2.cc (t4_2): Define.
11277         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11278         * testsuite/ver_test_4.cc (t4_2a): Define.
11279         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11280         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11281
11282 2008-07-17  Ian Lance Taylor  <iant@google.com>
11283
11284         * dynobj.cc (Versions::add_def): If we give an error about a
11285         missing version, go ahead and create the version anyhow.
11286
11287 2008-07-10  Ian Lance Taylor  <iant@google.com>
11288
11289         Handle output sections with more than 0x7fffffff bytes.
11290         * object.h (class Relobj): Change map_to_output_ to
11291         output_sections_, and just keep a section pointer.  Change all
11292         uses.  Move comdat group support to Sized_relobj.
11293         (Relobj::is_section_specially_mapped): Remove.
11294         (Relobj::output_section): Remove poff parameter.  Change all
11295         callers.
11296         (Relobj::output_section_offset): New function.
11297         (Relobj::set_section_offset): Rewrite.
11298         (Relobj::map_to_output): Remove.
11299         (Relobj::output_sections): New function.
11300         (Relobj::do_output_section_offset): New pure virtual function.
11301         (Relobj::do_set_section_offset): Likewise.
11302         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11303         group support from Relobj.  Update declarations.
11304         (Sized_relobj::get_output_section_offset): New function.
11305         (Sized_relobj::do_output_section_offset): New function.
11306         (Sized_relobj::do_set_section_offset): New function.
11307         * object.cc (Relobj::output_section_address): Remove.
11308         (Sized_relobj::Sized_relobj): Initialize new fields.
11309         (Sized_relobj::include_section_group): Cast find_kept_object to
11310         Sized_relobj.
11311         (Sized_relobj::include_linkonce_section): Likewise.
11312         (Sized_relobj::do_layout): Use separate arrays for output section
11313         and output offset.
11314         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11315         output_sections.
11316         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11317         output_sections and section_offsets.
11318         (Sized_relobj::write_local_symbols): Likewise.
11319         (map_to_kept_section): Compute output address directly.
11320         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11321         output_sections and section_offsets.
11322         (Sized_relobj::write_sections): Likewise.
11323         (Sized_relobj::relocate_sections): Likewise.
11324         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11325         * output.h (class Output_reloc): Update declarations.  Change
11326         u2_.relobj to Sized_relobj*.
11327         (class Output_data_reloc): Change add functions to use
11328         Sized_relobj*.
11329         * output.cc (Output_reloc::Output_reloc): Change relobj to
11330         Sized_relobj*.
11331         (Output_reloc::local_section_offset): Change return type to
11332         Elf_Addr.  Use get_output_section_offset.
11333         (Output_reloc::get_address): Likewise.
11334         (Output_section::is_input_address_mapped): Don't call
11335         is_section_specially_mapped.
11336         (Output_section::output_offset): Likewise.
11337         (Output_section::output_address): Likewise.
11338         (Output_section::starting_output_address): Likewise.
11339         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11340         parameter to Sized_relobj*.
11341         (Copy_relocs::need_copy_reloc): Likewise.
11342         (Copy_relocs::save): Likewise.
11343         * copy-relocs.h (class Copy_relocs): Update declarations.
11344         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11345         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11346         * target-reloc.h (relocate_for_relocatable): Change
11347         offset_in_output_section type to Elf_Addr.  Change code that uses
11348         it as well.
11349         * layout.cc (Layout::layout): Always set *off.
11350         * mapfile.cc (Mapfile::print_input_section): Use
11351         output_section_offset.
11352         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11353         Sized_relobj*.
11354         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11355         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11356         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11357
11358 2008-07-03  Ian Lance Taylor  <iant@google.com>
11359
11360         * layout.cc (Layout::include_section): Do not discard unrecognized
11361         SHT_STRTAB sections.
11362
11363 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11364
11365         * script.cc (Lex::can_continue_name): Make '?' allowable in
11366         version-script names.
11367         * testsuite/version_script.map: Change glob pattern to use '?'
11368
11369 2008-06-30  Manish Singh  <yosh@gimp.org>
11370
11371         PR 6585
11372         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11373         Correct typo.
11374
11375 2008-06-30  Ian Lance Taylor  <iant@google.com>
11376
11377         PR 6660
11378         PR 6682
11379         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11380         versions]: Don't try to read the value in the contents, since we
11381         don't use it.  Use the template endianness when writing.
11382
11383 2008-06-25  Cary Coutant  <ccoutant@google.com>
11384
11385         * fileread.cc (File_read::make_view): Assert on zero-length view.
11386         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11387         symbol table when there are no symbols to read.
11388
11389 2008-06-23  Craig Silverstein  <csilvers@google.com>
11390
11391         * version.cc (version_string): Bump to 1.7
11392
11393 2008-06-18  Craig Silverstein  <csilvers@google.com>
11394
11395         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11396         constant 0xFFFF to type Valtype.
11397         (Powerpc_relocate_functions::rel16_ha): Likewise.
11398
11399 2008-06-17  Ian Lance Taylor  <iant@google.com>
11400
11401         * output.h (Output_section::Input_section): Initialize p2align_ to
11402         zero for Output_section_data constructors.
11403         (Output_section::Input_section::addralign): If not an input
11404         section, return the alignment of the Output_section_data.
11405         * testsuite/copy_test.cc: New file.
11406         * testsuite/copy_test_1.cc: New file.
11407         * testsuite/copy_test_2.cc: New file.
11408         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11409         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11410         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11411         (copy_test_1_pic.o, copy_test_1.so): New targets.
11412         (copy_test_2_pic.o, copy_test_2.so): New targets.
11413         * testsuite/Makefile.in: Rebuild.
11414
11415         * script-sections.cc (Script_sections::place_orphan): Initialize
11416         local variable exact.
11417
11418 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11419
11420         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11421
11422 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11423             David S. Miller  <davem@davemloft.net>
11424
11425         * powerpc.cc: New file.
11426         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11427         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11428         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11429         * Makefile.in: Rebuild.
11430
11431 2008-06-09  Ian Lance Taylor  <iant@google.com>
11432
11433         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11434         <exception>.
11435         (throwing, orig_terminate): New static variables.
11436         (terminate_handler): New static function.
11437         (t2): Set terminate handler.
11438
11439 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11440
11441         PR 6584
11442         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11443         alignment.
11444
11445 2008-05-30  Cary Coutant  <ccoutant@google.com>
11446
11447         * archive.cc (Archive::include_all_members) Correct to step
11448         over symbol table and extended name table in thin archives.
11449
11450 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11451
11452         PR 6407
11453         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11454         calculation.
11455
11456 2008-05-28  Caleb Howe  <cshowe@google.com>
11457
11458         * reduced_debug_output.cc: New file.
11459         * reduced_debug_output.h: New file.
11460         * options.h (class General_options): Add --strip-debug-non-line.
11461         * options.cc (General_options::finalize): Add strip_debug_non_line
11462         to the strip heirarchy.
11463         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11464         fields.
11465         * layout.cc: Include "reduced_debug_output.h".
11466         (Layout::Layout): Initialize new fields.
11467         (line_only_debug_sections): New static array.
11468         (is_lines_only_debug_sections): New static inline function.
11469         (Layout::include_section): Handle --strip-debug-non-line.
11470         (Layout::make_output_section): If --strip-debug-non-line, build
11471         new output sections for .debug_abbrev and .debug_info.
11472         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11473         gold.  Warn about possible overflow.
11474         (read_signed_LEB_128): Likewise.
11475         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11476         (read_signed_LEB_128): Declare.
11477         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11478         (HFILES): Add reduced_debug_output.h.
11479         * Makefile.in: Rebuild.
11480
11481 2008-05-21  Ian Lance Taylor  <iant@google.com>
11482
11483         * mapfile.cc: New file.
11484         * mapfile.h: New file.
11485         * options.h (class General_options): Add -M/--print-map and -Map.
11486         * options.cc (General_options::finalize): Make -M equivalent to
11487         -Map -.
11488         * main.cc: Include <cstdio> and "mapfile.h".
11489         (main): Open mapfile if requested.
11490         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11491         constructor.  Change caller.
11492         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11493         (queue_middle_tasks): Likewise.
11494         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11495         declarations.
11496         * archive.cc: Include "mapfile.h".
11497         (Archive::add_symbols): Add mapfile parameter.  Change all
11498         callers.  Pass mapfile, symbol, and reason to include_member.
11499         (Archive::include_all_members): Add mapfile parameter.  Change all
11500         callers.
11501         (Archive::include_member): Add mapfile, sym, and why parameters.
11502         Change all callers.  Report inclusion to map file.
11503         * archive.h: Include "fileread.h".
11504         (class Archive): Update declarations.
11505         (Archive::file): New const method.
11506         (class Add_archive_symbols): Add mapfile_ field.  Update
11507         constructor.  Change all callers.
11508         * readsyms.h (class Read_symbols): Likewise.
11509         (class Finish_group): Likewise.
11510         (class Read_script): Likewise.
11511         * common.cc: Include "mapfile.h".
11512         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11513         all callers.
11514         (Symbol_table::do_allocate_commons): Likewise.
11515         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11516         symbol allocation to mapfile.
11517         * common.h (class Allocate_commons_task): Add mapfile_ field.
11518         Update constructor.  Change all callers.
11519         * symtab.h (class Symbol_table): Update declarations.
11520         * layout.cc: Include "mapfile.h".
11521         (Layout_task_runner::run): Print information to mapfile.
11522         (Layout::create_gold_note): Change Output_data_fixed_space to
11523         Output_data_zero_fill.
11524         (Layout::create_build_id): Likewise.
11525         (Layout::print_to_mapfile): New function.
11526         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11527         constructor.  Change caller.
11528         (class Layout): Declare print_to_mapfile.
11529         * output.cc (Output_section::Input_section::print_to_mapfile): New
11530         function.
11531         (Output_section::add_input_section): If producing a map, always
11532         add to input_sections_ list.
11533         (Output_section::do_print_to_mapfile): New function.
11534         (Output_segment::print_sections_to_mapfile): New function.
11535         (Output_segment::print_section_list_to_mapfile): New function.
11536         * output.h: Include "mapfile.h".
11537         (Output_data::print_to_mapfile): New function.
11538         (Output_data::do_print_to_mapfile): New virtual function.
11539         (Output_segment_headers::do_print_to_mapfile): New function.
11540         (Output_file_header::do_print_to_mapfile): New function.
11541         (Output_data_const::do_print_to_mapfile): New function.
11542         (class Output_data_const_buffer): Add map_name_ field.  Update
11543         constructor.  Change all callers.  Add do_print_to_mapfile
11544         function.
11545         (class Output_data_fixed_space): Likewise.
11546         (class Output_data_space): Likewise.
11547         (class Output_data_zero_fill): New class.
11548         (Output_data_strtab::do_print_to_mapfile): New function.
11549         (Output_data_reloc_base::do_print_to_mapfile): New function.
11550         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11551         (Output_data_group::do_print_to_mapfile): New function.
11552         (Output_data_got::do_print_to_mapfile): New function.
11553         (Output_data_dynamic::do_print_to_mapfile): New function.
11554         (Output_symtab_xindex::do_print_to_mapfile): New function.
11555         (class Output_section): Declare do_print_to_mapflie.  Declare
11556         print_to_mapfile in Input_section.
11557         (class Output_segment): Declare new functions.
11558         * object.h (Sized_relobj::symbol_count): New function.
11559         * script-sections.cc
11560         (Output_section_element_dot_assignment::set_section_addresses):
11561         Change Output_data_fixed_space to Output_data_zero_fill.
11562         (Output_data_expression::do_print_to_mapfile): New function.
11563         * script.cc (read_input_script): Add mapfile parameter.  Change
11564         all callers.
11565         * script.h (read_input_script): Update declaration.
11566         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11567         (Eh_frame::do_print_to_mapfile): New function.
11568         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11569         (Output_merge_string::do_print_to_mapfile): New function.
11570         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11571         function.
11572         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11573         function.
11574         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11575         function.
11576         * Makefile.am (CCFILES): Add mapfile.cc.
11577         (HFILES): Add mapfile.h.
11578         * Makefile.in: Rebuild.
11579
11580 2008-05-19  Ian Lance Taylor  <iant@google.com>
11581
11582         * options.h (class General_options): Add -z relro.
11583         * layout.cc (Layout::Layout): Initialize relro_segment_.
11584         (Layout::add_output_section_data): Return the output section.
11585         (Layout::make_output_section): Rcognize relro sections and mark
11586         them appropriately.
11587         (Layout::attach_allocated_section_to_segment): Put relro sections
11588         in a PT_GNU_RELRO segment.
11589         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11590         section as relro.
11591         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11592         PT_TLS segments.
11593         (Layout::linkonce_mapping): Map d.rel.ro.local to
11594         .data.rel.ro.local.
11595         (Layout::output_section_name): Us .data.rel.ro.local for any
11596         section which begins with that.
11597         * layout.h (class Layout): Update add_output_section_data
11598         declaration.  Add relro_segment_ field.
11599         * output.cc (Output_section::Output_section): Initialize is_relro_
11600         and is_relro_local_ fields.
11601         (Output_segment::add_output_section): Group relro sections.
11602         (Output_segment::is_first_section_relro): New function.
11603         (Output_segment::maximum_alignment): If there is a relro section,
11604         align the segment to the common page size.
11605         (Output_segment::set_section_addresses): Track whether we are
11606         looking at relro sections.  If the last section is a relro
11607         section, align to the common page size.
11608         (Output_segment::set_section_list_addresses): Add in_relro
11609         parameter.  Change all callers.  Align to the page size when
11610         moving from relro to non-relro section.
11611         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11612         segment.
11613         * output.h (class Output_section): Add is_relro_ and
11614         is_relro_local_ fields.
11615         (Output_section::is_relro): New function.
11616         (Output_section::set_is_relro): New function.
11617         (Output_section::is_relro_local): New function.
11618         (Output_section::set_is_relro_local): New function.
11619         (class Output_segment): Update declarations.
11620         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11621         * sparc.cc (Target_sparc::got_section): Likewise.
11622         * x86_64.cc (Target_x86_64::got_section): Likewise.
11623         * testsuite/relro_test_main.cc: New file.
11624         * testsuite/relro_test.cc: New file.
11625         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11626         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11627         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11628         (relro_test.so, relro_test_pic.o): New targets.
11629         * testsuite/Makefile.in: Rebuild.
11630
11631 2008-05-16  Ian Lance Taylor  <iant@google.com>
11632
11633         * output.cc (Output_segment::add_output_section): Remove front
11634         parameter.
11635         * output.h (class Output_segment): Remove
11636         add_initial_output_section and overloaded add_output_section.
11637         Update declaration of remaining add_output_section.
11638         * layout.cc (Layout::create_interp): Call add_output_section
11639         rather than add_initial_output_section.
11640         (Layout::finish_dynamic_section): Likewise.
11641
11642         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11643         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11644         know the dynamic type.
11645         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11646         field.  Initialize it in constructor.
11647         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11648         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11649         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11650         reloc.
11651
11652         * output.cc (Output_reloc::get_address): Change return type to
11653         Elf_Addr.
11654         * output.h (class Output_reloc): Update get_address declaration.
11655         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11656         for section addresses.
11657
11658 2008-05-09  Ian Lance Taylor  <iant@google.com>
11659
11660         PR 6493
11661         * gold.cc (gold_nomem): Use return value of write.
11662
11663 2008-05-08  Ian Lance Taylor  <iant@google.com>
11664
11665         * symtab.c (Symbol::init_base_output_data): Add version
11666         parameter.  Change all callers.
11667         (Symbol::init_base_output_segment): Likewise.
11668         (Symbol::init_base_constant): Likewise.
11669         (Symbol::init_base_undefined): Likewise.
11670         (Sized_symbol::init_output_data): Likewise.
11671         (Sized_symbol::init_output_segment): Likewise.
11672         (Sized_symbol::init_constant): Likewise.
11673         (Sized_symbol::init_undefined): Likewise.
11674         (Symbol_table::do_define_in_output_data): If the new symbol has a
11675         version, mark it as the default.
11676         (Symbol_table::do_define_in_output_segment): Likewise.
11677         (Symbol_table::do_define_as_constant): Likewise.
11678         * symtab.h (class Symbol): Update declarations.
11679         (class Sized_symbol): Likewise.
11680         * resolve.cc (Symbol::override_version): New function.
11681         (Symbol::override_base): Call override_version.
11682         (Symbol::override_base_with_special): Likewise.
11683         * testsuite/ver_script_8.script: New file.
11684         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11685         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11686         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11687         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11688
11689 2008-05-06  Ian Lance Taylor  <iant@google.com>
11690
11691         PR 6049
11692         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11693         functions.
11694         (class General_options): Remove existing --undefined, and add
11695         --no-undefined instead.  Add new --undefined as synonym for -u.
11696         * archive.cc (Archive::add_symbols): Check whether symbol was
11697         named with -u.
11698         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11699         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11700         all uses.  Add IS_UNDEFINED.  Update declarations to split
11701         different versions of init_base.  Declare init_base_undefined.
11702         (Symbol::is_defined): Handle IS_UNDEFINED.
11703         (Symbol::is_undefined): Likewise.
11704         (Symbol::is_weak_undefined): Call is_undefined.
11705         (Symbol::is_absolute): Handle IS_CONSTANT.
11706         (class Sized_symbol): Update declarations to split different
11707         versions of init.  Declare init_undefined.
11708         (class Symbol_table): Declare new functions.
11709         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11710         Change all callers.
11711         (Symbol::init_base_output_data): Likewise.
11712         (Symbol::init_base_output_segment): Likewise.
11713         (Symbol::init_base_constant): Likewise.
11714         (Symbol::init_base_undefined): New function.
11715         (Sized_symbol::init_object): Rename from init.  Change all
11716         callers.
11717         (Sized_symbol::init_output_data): Likewise.
11718         (Sized_symbol::init_output_segment): Likewise.
11719         (Sized_symbol::init_constant): Likewise.
11720         (Sized_symbol::init_undefined): New function.
11721         (Symbol_table::add_undefined_symbols_from_command_line): New
11722         function.
11723         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11724         function.
11725         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11726         (Symbol::output_section): Likewise.
11727         (Symbol::set_output_section): Likewise.
11728         (Symbol_table::sized_finalize_symbol): Likewise.
11729         (Symbol_table::sized_write_globals): Likewise.
11730         * resolve.cc (Symbol_table::should_override): Likewise.
11731         (Symbol::override_base_with_special): Likewise.
11732
11733         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11734         symbol, change it to have default visibility.
11735         * testsuite/protected_1.cc: New file.
11736         * testsuite/protected_2.cc: New file.
11737         * testsuite/protected_3.cc: New file.
11738         * testsuite/protected_main_1.cc: New file.
11739         * testsuite/protected_main_2.cc: New file.
11740         * testsuite/protected_main_3.cc: New file.
11741         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11742         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11743         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11744         (protected_1.so): New target.
11745         (protected_1_pic.o, protected_2_pic.o): New targets.
11746         (protected_3_pic.o): New target.
11747         (check_PROGRAMS): Add protected_2.
11748         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11749         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11750         * testsuite/Makefile.in: Rebuild.
11751
11752         * options.h (DEFINE_var): Add set_user_set_##varname__.
11753         (DEFINE_bool_alias): New macro.
11754         (class General_options): Define -Bstatic using DEFINE_bool_alias
11755         rather than DEFINE_special.  Add --undefined as an alias for -z
11756         defs.
11757         * options.cc (General_options::parse_Bstatic): Remove.
11758
11759         * options.h (class General_options): Add --fatal-warnings.
11760         * main.cc (main): Implement --fatal-warnings.
11761         * errors.h (Errors::warning_count): New function.
11762
11763         * options.h (class General_options): Add -Bsymbolic-functions.
11764         * symtab.h (Symbol::is_preemptible): Check for
11765         -Bsymbolic-functions.
11766
11767 2008-05-05  Ian Lance Taylor  <iant@google.com>
11768
11769         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11770         as noVARNAME rather than no-VARNAME.
11771         (class General_options): Add option -z combreloc.
11772         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11773         get_address.
11774         (Output_reloc::sort_before) [SHT_REL]: New function.
11775         (Output_reloc::sort_before) [SHT_RELA]: New function.
11776         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11777         Sort_relocs_comparison.
11778         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11779         parameter.  Change all callers.
11780         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11781         sort_relocs parameter.  Change all callers.
11782         * output.cc (Output_reloc::get_address): New function, broken out
11783         of write_rel.
11784         (Output_reloc::write_rel): Call it.
11785         (Output_reloc::compare): New function.
11786         (Output_data_reloc_base::do_write): Optionally sort relocs.
11787
11788         * configure.ac: If targ_extra_obj is set, link it in.
11789         * configure.tgt: Initialize all variables.
11790         (x86_64*): Set targ_extra_obj and targ_extra_size.
11791         * configure: Rebuild.
11792
11793         * object.cc (Sized_relobj::include_section_group): Adjust section
11794         indexes read from group data.  Build vector to pass to
11795         layout_group.
11796         * layout.cc (Layout::layout_group): Add flags and shndxes
11797         parameters.  Remove contents parameter.  Change caller.  Update
11798         explicit instantiations.
11799         * layout.h (class Layout): Update layout_group declaration.
11800         * output.cc (Output_data_group::Output_data_group): Add flags and
11801         input_shndxes parameters.  Remove contents parameter.  Change
11802         caller.
11803         (Output_data_group::do_write): Change input_sections_ to
11804         input_shndxes_.
11805         * output.h (class Output_data_group): Update constructor
11806         declaration.  Rename input_sections_ to input_shndxes_.
11807         * testsuite/many_sections_test.cc: Add template.
11808
11809 2008-04-30  Cary Coutant  <ccoutant@google.com>
11810
11811         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11812
11813         * layout.cc (Layout::include_section): Refactored check for debug
11814         info section.
11815         (Layout::add_comdat): Add new parameters.  Change type
11816         of signature parameter.  Add object and shndx to signatures table.
11817         (Layout::find_kept_object): New function.
11818         * layout.h: Include <cstring>.
11819         (Layout::is_debug_info_section): New function.
11820         (Layout::add_comdat): Add new parameters.
11821         (Layout::find_kept_object): New function.
11822         (Layout::Kept_section): New struct.
11823         (Layout::Signatures): Change type of map range.
11824         * object.cc (Relobj::output_section_address): New function.
11825         (Sized_relobj::include_section_group): Add new parameters.  Change
11826         calls to Layout::add_comdat.  Change to build table of kept comdat
11827         groups and table mapping discarded sections to kept sections.
11828         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11829         (Sized_relobj::do_layout): Change calls to include_section_group and
11830         include_linkonce_section.
11831         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11832         value to zero when section is discarded.
11833         (Sized_relobj::map_to_kept_section): New function.
11834         * object.h (Relobj::output_section_address): New function.
11835         (Relobj::Comdat_group): New type.
11836         (Relobj::find_comdat_group): New function.
11837         (Relobj::Comdat_group_table): New type.
11838         (Relobj::Kept_comdat_section): New type.
11839         (Relobj::Kept_comdat_section_table): New type.
11840         (Relobj::add_comdat_group): New function.
11841         (Relobj::set_kept_comdat_section): New function.
11842         (Relobj::get_kept_comdat_section): New function.
11843         (Relobj::comdat_groups_): New field.
11844         (Relobj::kept_comdat_sections_): New field.
11845         (Symbol_value::input_value): Update comment.
11846         (Sized_relobj::map_to_kept_section) New function.
11847         (Sized_relobj::include_linkonce_section): Add new parameter.
11848         * target-reloc.h (Comdat_behavior): New type.
11849         (get_comdat_behavior): New function.
11850         (relocate_section): Add code to map a discarded section to the
11851         corresponding kept section when applying a relocation.
11852
11853 2008-04-30  Craig Silverstein  <csilvers@google.com>
11854
11855         * dwarf_reader.cc (next_generation_count): New static var.
11856         (Addr2line_cache_entry): New struct.
11857         (addr2line_cache): New static var.
11858         (Dwarf_line_info::one_addr2line): Added caching.
11859         (Dwarf_line_info::clear_addr2line_cache): New function.
11860         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11861         cache-size parameter.
11862         (Dwarf_line_info::one_addr2line_cache): New function.
11863         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11864         new cache-size argument to one_addr2line(), and clear cache.
11865
11866 2008-04-28  Cary Coutant  <ccoutant@google.com>
11867
11868         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11869         R_386_PC8 relocations.
11870
11871 2008-04-23  Ian Lance Taylor  <iant@google.com>
11872
11873         * object.cc (Sized_relobj::include_section_group): Check for
11874         invalid section group.
11875
11876         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11877         header size.
11878
11879         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11880         than read for file header.
11881         * archive.cc (Archive::include_member): Likewise.
11882
11883 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11884
11885         * aclocal.m4: Regenerate.
11886         * configure: Regenerate.
11887
11888 2008-04-19  Ian Lance Taylor  <iant@google.com>
11889
11890         * version.cc (version_string): Bump to 1.6.
11891
11892         * testsuite/Makefile.am (many_sections_r_test): New target.
11893         (many_sections_r_test_SOURCES): Remove.
11894         (many_sections_r_test_DEPENDENCIES): Remove.
11895         (many_sections_r_test_LDFLAGS): Remove.
11896         (many_sections_r_test_LDADD): Remove.
11897
11898         * object.cc (Sized_relobj::do_add_symbols): Always pass
11899         local_symbol_count_ to add_from_relobj.
11900
11901         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11902         every thousand variables.
11903         * testsuite/Makefile.in: Rebuild.
11904
11905         * object.cc (Xindex::initialize_symtab_xindex): New function.
11906         (Xindex::read_symtab_xindex): New function.
11907         (Xindex::sym_xindex_to_shndx): New function.
11908         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11909         available.
11910         (Sized_relobj::do_initialize_xindex): New function.
11911         (Sized_relobj::do_read_symbols): Adjust section links.
11912         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11913         parameter.  Change all callers.
11914         (Sized_relobj::include_section_group): Adjust section links and
11915         symbol section indexes.
11916         (Sized_relobj::do_layout): Adjust section links.
11917         (Sized_relobj::do_count_local_symbols): Adjust section links and
11918         symbol section indexes.
11919         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11920         ordinary and special symbols.
11921         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11922         dynsym_xindex parameters.  Change all callers.  Adjust section
11923         links.  Use SHN_XINDEX when needed.
11924         (Sized_relobj::get_symbol_location_info): Adjust section links.
11925         Don't get fooled by special symbols.
11926         * object.h (class Xindex): Define.
11927         (class Object): Add xindex_ parameter.  Declare virtual functoin
11928         do_initialize_xindex.
11929         (Object::adjust_sym_shndx): New function.
11930         (Object::set_xindex): New protected function.
11931         (class Symbol_value): Add is_ordinary_shndx_ field.
11932         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11933         (Symbol_value::value): Assert ordinary section.
11934         (Symbol_value::initialize_input_to_output_map): Likewise.
11935         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11936         Change all callers.
11937         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11938         all callers.
11939         (class Sized_relobj): Update declarations.
11940         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11941         parameter.  Change all callers.
11942         (Sized_relobj::adjust_shndx): New function.
11943         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11944         field.
11945         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11946         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11947         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11948         (Sized_dynobj::read_dynsym_section): Adjust section links.
11949         (Sized_dynobj::read_dynamic): Likewise.
11950         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11951         section links.
11952         (Sized_dynobj::do_initialize_xindex): New function.
11953         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11954         do_initialize_xindex.
11955         (Sized_dynobj::adjust_shndx): New function.
11956         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11957         dynsym_xindex_ fields.
11958         (Layout::finalize): Add a call to set_section_indexes before
11959         creating the symtab sections.
11960         (Layout::set_section_indexes): Don't do anything if the section
11961         already has a section index.
11962         (Layout::create_symtab_sections): Add shnum parameter.  Change
11963         caller.  Create .symtab_shndx section if needed.
11964         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11965         caller.
11966         (Layout::allocated_output_section_count): New function.
11967         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11968         needed.
11969         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11970         fields.  Update declarations.
11971         (Layout::symtab_xindex): New function.
11972         (Layout::dynsym_xindex): New function.
11973         (class Write_symbols_task): Add layout_ field.
11974         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11975         Change caller.
11976         * output.cc (Output_section_headers::Output_section_headers): Add
11977         shstrtab_section parameter.  Change all callers.
11978         (Output_section_headers::do_sized_write): Store overflow values
11979         for section count and section string table section index in
11980         section header zero.
11981         (Output_file_header::do_sized_write): Check for overflow of
11982         section count and section string table section index.
11983         (Output_symtab_xindex::do_write): New function.
11984         (Output_symtab_xindex::endian_do_write): New function.
11985         * output.h (class Output_section_headers): Add shstrtab_section_.
11986         Update declarations.
11987         (class Output_symtab_xindex): Define.
11988         (Output_section::has_out_shndx): New function.
11989         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11990         field.
11991         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11992         Change all callers.
11993         (Sized_symbol::init): Likewise.
11994         (Symbol::output_section): Check for ordinary symbol.
11995         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11996         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11997         callers.
11998         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11999         Change all callers.  Simplify handling of symbols from sections
12000         not included in the link.
12001         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12002         distinction.
12003         (Weak_alias_sorter::operator()): Assert that symbols are
12004         ordinary.
12005         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12006         distinction.
12007         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12008         parameters.  Change all callers.
12009         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12010         symbol distinction.  Use SHN_XINDEX when needed.
12011         (Symbol_table::write_section_symbol): Add symtab_xindex
12012         parameter.  Change all callers.
12013         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12014         SHN_XINDEX when needed.
12015         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12016         declarations.
12017         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12018         (Symbol::is_defined): Check is_ordinary.
12019         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12020         (Symbol::is_absolute, Symbol::is_common): Likewise.
12021         (class Sized_symbol): Update declarations.
12022         (class Symbol_table): Update declarations.
12023         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12024         parameters.  Change all callers.
12025         (Sized_symbol::override): Likewise.
12026         (Symbol_table::override): Likewise.
12027         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12028         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12029         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12030         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12031         to be in an ordinary section.
12032         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12033         object and is_ordinary parameters.  Change all callers.
12034         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12035         Change all callers.  Don't add undefined or non-ordinary symbols
12036         to reloc_map_.
12037         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12038         Change all callers.
12039         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12040         declarations.
12041         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12042         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12043         (Sized_relobj::relocate_sections): Likewise.
12044         * target-reloc.h (scan_relocs): Adjust section symbol index.
12045         (scan_relocatable_relocs): Likewise.
12046         * i386.cc (Scan::local): Check for ordinary symbols.
12047         * sparc.cc (Scan::local): Likewise.
12048         * x86_64.cc (Scan::local): Likewise.
12049         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12050         to symbol_section_and_value.
12051         * testsuite/many_sections_test.cc: New file.
12052         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12053         (check_PROGRAMS): Add many_sections_test.
12054         (many_sections_test_SOURCES): Define.
12055         (many_sections_test_DEPENDENCIES): Define.
12056         (many_sections_test_LDFLAGS): Define.
12057         (BUILT_SOURCES): Add many_sections_define.h.
12058         (many_sections_define.h): New target.
12059         (BUILT_SOURCES): Add many_sections_check.h.
12060         (many_sections_check.h): New target.
12061         (check_PROGRAMS): Add many_sections_r_test.
12062         (many_sections_r_test_SOURCES): Define.
12063         (many_sections_r_test_DEPENDENCIES): Define.
12064         (many_sections_r_test_LDFLAGS): Define.
12065         (many_sections_r_test_LDADD): Define.
12066         (many_sections_r_test.o): New target.
12067         * testsuite/Makefile.in: Rebuild.
12068
12069 2008-04-17  Cary Coutant  <ccoutant@google.com>
12070
12071         * errors.cc (Errors::info): New function.
12072         (gold_info): New function.
12073         * errors.h (Errors::info): New function.
12074         * gold.h (gold_info): New function.
12075         * object.cc (Input_objects::add_object): Print trace output.
12076         * options.cc (options::parse_set): New function.
12077         (General_options::parse_wrap): Deleted.
12078         (General_options::General_options): Deleted initializer.
12079         * options.h (options::String_set): New typedef.
12080         (options::parse_set): New function.
12081         (DEFINE_set): New macro.
12082         (General_options::wrap): Changed to use DEFINE_set. Changed
12083         callers of any_wrap_symbols and is_wrap_symbol.
12084         (General_options::trace, General_options::trace_symbol):
12085         New options.
12086         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12087         (General_options::wrap_symbols_): Deleted.
12088         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12089
12090 2008-04-17  David S. Miller  <davem@davemloft.net>
12091
12092         * options.cc (General_options::parse_V): New function.
12093         * options.h: Add entries for -V and -Qy.
12094
12095 2008-04-17  Ian Lance Taylor  <iant@google.com>
12096
12097         * common.cc (Symbol_table::allocate_commons): Remove options
12098         parameter.  Change caller.
12099         (Symbol_table::do_allocate_commons): Remove options parameter.
12100         Change caller.  Just call do_allocate_commons_list twice.
12101         (Symbol_table::do_allocate_commons_list): New function, broken out
12102         of do_allocate_commons.
12103         * common.h (class Allocate_commons_task): Remove options_ field.
12104         Update constructor.
12105         * symtab.cc (Symbol_table::Symbol_table): Initialize
12106         tls_commons_.
12107         (Symbol_table::add_from_object): Put TLS common symbols on
12108         tls_commons_ list.
12109         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12110         which are IN_OUTPUT_DATA.
12111         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12112         allocate_commons and do_allocate_commons declarations.  Declare
12113         do_allocate_commons_list.
12114         * gold.cc (queue_middle_tasks): Update creation of
12115         Allocate_commons_task to not pass options.
12116         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12117         (TLS_TEST_C_FLAGS): New variable.
12118         (tls_test_c_pic.o): New target.
12119         (tls_test_shared.so): Link in tls_test_c_pic.o.
12120         (tls_test_c_pic_ie.o): New target.
12121         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12122         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12123         (tls_test_c.o): New target.
12124         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12125         (tls_pic_test_LDADD): Likewise.
12126         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12127         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12128         (tls_test_c_gnu2.o): New target.
12129         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12130         tls_test_c_gnu2.o.
12131         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12132         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12133         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12134         * testsuite/tls_test.cc: Include "config.h".
12135         (t_last): Call t11_last.
12136         * testsuite/tls_test.h (t11, t11_last): Declare.
12137         * testsuite/tls_test_c.c: New file.
12138         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12139         * configure.ac: Check for OpenMP support.
12140         * configure, config.in, Makefile.in: Rebuild.
12141         * testsuite/Makefile.in: Rebuild.
12142
12143 2008-04-16  Cary Coutant  <ccoutant@google.com>
12144
12145         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12146         (Target_i386::tls_base_symbol_defined_): New field.
12147         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12148         (Target_i386::Scan::global): Likewise.
12149         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12150         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12151         (Target_x86_64::tls_base_symbol_defined_): New field.
12152         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12153         (Target_x86_64::Scan::global): Likewise.
12154
12155 2008-04-16  Cary Coutant  <ccoutant@google.com>
12156
12157         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12158         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12159         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12160         building shared libraries.
12161         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12162         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12163         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12164         * testsuite/Makefile.in: Rebuild.
12165         * testsuite/weak_undef.h: New file.
12166         * testsuite/weak_undef_file1.cc: Add extra test cases.
12167         * testsuite/weak_undef_file2.cc: Likewise.
12168         * testsuite/weak_undef_test.cc: Likewise.
12169
12170 2008-04-16  David S. Miller  <davem@davemloft.net>
12171
12172         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12173         Add issued_non_pic_error_ field.  Declare check_non_pic.
12174         (Target_sparc::Scan::check_non_pic): New function.
12175         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12176         (Target_sparc::Scan::global): Likewise.
12177
12178         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12179         * configure: Rebuild.
12180
12181         * options.h (DEFINE_enable): New macro.
12182         (new_dtags): New enable option.
12183         (initfirst, interpose, loadfltr, nodefaultlib,
12184         nodelete, nodlopen, nodump): New -z options.
12185         * layout.cc (Layout:finish_dynamic_section): If new
12186         dtags enabled, emit DT_RUNPATH.  Also, emit a
12187         DT_FLAGS_1 containing any specified -z flags.
12188
12189 2008-04-16  Ian Lance Taylor  <iant@google.com>
12190
12191         * copy-relocs.cc: New file.
12192         * copy-relocs.h: New file.
12193         * reloc.cc: Remove Copy_relocs code.
12194         * reloc.h: Likewise.
12195         * reloc-types.h (struct Reloc_types) [both versions]: Add
12196         get_reloc_addend_noerror.
12197         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12198         variants of add_global which take an addend which must be zero.
12199         * i386.cc: Include "copy-relocs.h".
12200         (class Target_i386): Change type of copy_relocs_ to variable,
12201         update initializer.
12202         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12203         Change all callers.
12204         (Target_i386::do_finalize_sections): Change handling of
12205         copy_relocs_.
12206         * sparc.cc: Include "copy-relocs.h".
12207         (class Target_sparc): Change type of copy_relocs_ to variable,
12208         update initializer.
12209         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12210         Change all callers.
12211         (Target_sparc::do_finalize_sections): Change handling of
12212         copy_relocs_.
12213         * x86_64.cc: Include "copy-relocs.h".
12214         (class Target_x86_64): Change type of copy_relocs_ to variable,
12215         update initializer.
12216         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12217         class.  Change all callers.
12218         (Target_x86_64::do_finalize_sections): Change handling of
12219         copy_relocs_.
12220         * Makefile.am (CCFILES): Add copy-relocs.cc.
12221         (HFILES): Add copy-relocs.h.
12222
12223         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12224
12225         * testsuite/script_test_4.sh: Permit leading zeroes.
12226
12227 2008-04-15  Ian Lance Taylor  <iant@google.com>
12228
12229         * script-sections.cc (Script_sections::create_segments): Use
12230         header_size_adjustment even when there is enough room for the
12231         headers.
12232         * testsuite/script_test_4.sh: New file.
12233         * testsuite/script_test_4.t: New file.
12234         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12235         (check_DATA): Add script_test_4.stdout.
12236         (MOSTLYCLEANFILES): Likewise.
12237         (script_test_4): New target.
12238         (script_test_4.stdout): New target.
12239         * testsuite/Makefile.in: Rebuild.
12240
12241         * sparc.cc: Add definitions for Output_data_plt_sparc class
12242         constants.
12243
12244 2008-04-14  David S. Miller  <davem@davemloft.net>
12245
12246         * sparc.cc: New file.
12247         * Makefile.am (TARGETSOURCES): Add sparc.cc
12248         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12249         * configure.tgt: Document targ_extra_size and
12250         targ_extra_big_endian.  Add entries for sparc-* and
12251         sparc64-*.
12252         * configure.ac: Handle targ_extra_size and
12253         targ_extra_big_endian.
12254         * Makefile.in: Rebuild.
12255         * configure: Likewise.
12256         * po/POTFILES.in: Likewise.
12257         * po/gold.pot: Likewise.
12258
12259 2008-04-14  Ian Lance Taylor  <iant@google.com>
12260
12261         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12262         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12263         in the name/type/flags to section mapping.  Don't call
12264         allocate_output_section.
12265         (Layout::choose_output_section): Change parameter from adjust_name
12266         to is_input_section.  Don't permit input sections after sections
12267         are attached to segments.  Don't call allocate_output_section.
12268         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12269         not write_enable_output_section.
12270         (Layout::make_output_section): Don't push to
12271         unattached_section_list_ nor call attach_to_segment.  Call
12272         attach_section_to_segment if sections are attached.
12273         (Layout::attach_sections_to_segments): New function.
12274         (Layout::attach_section_to_segment): New function.
12275         (Layout::attach_allocated_section_to_segment): Rename from
12276         attach_to_segment.  Remove flags parameter.
12277         (Layout::allocate_output_section): Remove function.
12278         (Layout::write_enable_output_section): Remove function.
12279         * layout.h (class Layout): Update for above changes.  Add new
12280         field sections_are_attached_.
12281         * output.h (Output_section::update_flags_for_input_section): New
12282         function.
12283         * output.cc (Output_section::add_input_section): Call
12284         update_flags_for_input_section.
12285         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12286
12287 2008-04-11  Cary Coutant  <ccoutant@google.com>
12288
12289         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12290         thought unnecessary.
12291         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12292
12293 2008-04-11  Ian Lance Taylor  <iant@google.com>
12294
12295         * output.h (class Output_section_data): Remove inline definition
12296         of set_addralign.
12297         * output.cc (Output_section_data::set_addralign): New function.
12298
12299 2008-04-11  Cary Coutant  <ccoutant@google.com>
12300
12301         Add support for TLS descriptors for i386 and x86_64.
12302         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12303         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12304         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12305         GOT_TYPE_TLS_DESC.
12306         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12307         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12308         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12309         relocations.
12310         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12311         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12312         Fix problem with initial-exec relocations.
12313         (Target_i386::Relocate::relocate_tls): Likewise.
12314         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12315         relaxation.
12316         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12317         support for section-plus-offset dynamic table entries.
12318         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12319         (Output_data_dynamic::Dynamic_entry): Add support for
12320         section-plus-offset dynamic table entries.
12321         (Output_data_dynamic::Classification): Likewise.
12322         (Output_data_dynamic::classification_): Renamed offset_.
12323         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12324         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12325         (Target_x86_64::make_plt_section): New function.
12326         (Target_x86_64::reserve_tlsdesc_entries): New function.
12327         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12328         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12329         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12330         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12331         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12332         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12333         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12334         add extra PLT entry for TLS descriptors.
12335         (Output_data_plt_x86_64::got_): New field.
12336         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12337         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12338         fields.
12339         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12340         descriptors.
12341         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12342         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12343         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12344         R_386_TLS_DESC_CALL relocations.
12345         (Target_x86_64::Scan::global): Likewise.
12346         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12347         for TLS descriptors.
12348         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12349         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12350         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12351         GD-to-IE relaxation.
12352         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12353         and TLS_DESCRIPTORS.
12354         * Makefile.in: Rebuild.
12355         * configure: Rebuild.
12356         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12357         (tls_test_shared2.so): New target.
12358         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12359         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12360         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12361         (tls_shared_gd_to_ie_test_LDADD): New variable.
12362         (tls_shared_gnu2_gd_to_ie_test): New target.
12363         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12364         New targets.
12365         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12366         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12367         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12368         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12369         (tls_shared_gnu2_test): New target.
12370         (tls_test_gnu2_shared.so): New target.
12371         (tls_shared_gnu2_test_SOURCES): New variable.
12372         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12373         (tls_shared_gnu2_test_LDFLAGS): New variable.
12374         (tls_shared_gnu2_test_LDADD): New variable.
12375         * testsuite/Makefile.in: Rebuild.
12376         * testsuite/Makefile.
12377
12378 2008-04-11  Ian Lance Taylor  <iant@google.com>
12379
12380         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12381         justsyms.t.
12382         * testsuite/Makefile.in: Rebuild.
12383
12384         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12385         long.
12386         * testsuite/script_test_2.cc (main): Adjust test.
12387
12388 2008-04-11  David S. Miller  <davem@davemloft.net>
12389             Ian Lance Taylor  <iant@google.com>
12390
12391         * options.h (General_options): Add entries for '-Y' and
12392         '-relax'.
12393         * options.cc (General_options:finalize): If -Y was used, add those
12394         entries to the library path instead of the default "/lib" and
12395         "/usr/lib".
12396
12397 2008-04-11  David S. Miller  <davem@davemloft.net>
12398
12399         * testsuite/justsyms.t: Start at 0x100.
12400         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12401         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12402         long.
12403         * testsuite/script_test_2.cc: Adjust string and section length
12404         checks.
12405
12406 2008-04-09  Ian Lance Taylor  <iant@google.com>
12407
12408         PR gold/5996
12409         * script-sections.cc (Sections_element::allocate_to_segment): Add
12410         orphan parameter.
12411         (Output_section_definition::allocate_to_segment): Likewise.
12412         (Orphan_output_section::allocate_to_segment): Likewise.
12413         (Script_sections::attach_sections_using_phdrs_clause): Don't
12414         propagate non-PT_LOAD segments to orphan sections.
12415         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12416         readelf rather than objdump.
12417         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12418         .interp section and PT_INTERP segment are the same size.
12419         * testsuite/Makefile.in: Rebuild.
12420
12421         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12422         aliases for symbols defined in the same object.
12423         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12424         (weak_alias_test_SOURCES): New variable.
12425         (weak_alias_test_DEPENDENCIES): New variable.
12426         (weak_alias_test_LDFLAGS): New variable.
12427         (weak_alias_test_LDADD): New variable.
12428         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12429         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12430         (weak_alias_test_3.o): New target.
12431         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12432         * testsuite/weak_alias_test_main.cc: New file.
12433         * testsuite/weak_alias_test_1.cc: New file.
12434         * testsuite/weak_alias_test_2.cc: New file.
12435         * testsuite/weak_alias_test_3.cc: New file.
12436
12437 2008-04-08  Ian Lance Taylor  <iant@google.com>
12438
12439         * options.h (class General_options): Add --noinhibit-exec option.
12440         * main.cc (main): Check --noinhibit-exec.
12441
12442         * options.h (class General_options): Define --wrap as a special
12443         option.  Add wrap_symbols_ field.
12444         (General_options::any_wrap_symbols): New function.
12445         (General_options::is_wrap_symbol): New function.
12446         * options.cc (General_options::parse_wrap): New function.
12447         (General_options::General_options): Initialize wrap_symbols_.
12448         * symtab.cc (Symbol_table::wrap_symbol): New function.
12449         (Symbol_table::add_from_object): Handle --wrap.
12450         * symtab.h (class Symbol_table): Declare wrap_symbol.
12451         * target.h (Target::wrap_char): New function.
12452         (Target::Target_info): Add wrap_char field.
12453         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12454         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12455         * testsuite/testfile.cc (Target_test::test_target_info):
12456         Likewise.
12457
12458         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12459         there is one.
12460
12461         * layout.h (class Layout): Add added_eh_frame_data_ field.
12462         * layout.cc (Layout::Layout): Initialize new field.
12463         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12464         output section until we find a section we merged successfully.
12465         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12466         that the size be non-zero.
12467
12468         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12469         qualifier.
12470
12471 2008-04-08  Craig Silverstein  <csilvers@google.com>
12472
12473         * configure.ac: Export new conditional variable HAVE_ZLIB.
12474         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12475         on HAVE_ZLIB.
12476         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12477         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12478
12479 2008-04-07  Ian Lance Taylor  <iant@google.com>
12480
12481         * version.cc (version_string): Set to "1.5".
12482
12483         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12484         Add issued_non_pic_error_ field.  Declare check_non_pic.
12485         (Target_x86_64::Scan::check_non_pic): New function.
12486         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12487         (Target_x86_64::Scan::global): Likewise.
12488
12489         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12490         addend parameter.  Change caller.  Handle merge sections.
12491         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12492         Address to Addend.  Don't add in the result of
12493         local_section_offset, pass down the addend and use the returned
12494         value.
12495         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12496         Update declarations of local_section_offset and symbol_value.
12497         * testsuite/two_file_test_1.cc (t18): New function.
12498         * testsuite/two_file_test_2.cc (f18): New function.
12499         * testsuite/two_file_test_main.cc (main): Call t18.
12500         * testsuite/two_file_test.h (t18, f18): Declare.
12501
12502         * configure.ac: Don't test for objdump, c++filt, or readelf.
12503         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12504         conditionals.
12505         (TEST_READELF): New variable.
12506         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12507         (check_PROGRAMS): Add two_file_strip_test.
12508         (two_file_strip_test): New target.
12509         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12510         (two_file_same_shared_strip_test_SOURCES): New variable.
12511         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12512         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12513         (two_file_same_shared_strip_test_LDADD): New variable.
12514         (two_file_shared_strip.so): New target.
12515         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12516         (ver_test_5.syms, ver_test_7.syms): Likewise.
12517         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12518         (strip_test_3.stdout): Use TEST_OBJDUMP.
12519         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12520
12521 2008-04-04  Cary Coutant  <ccoutant@google.com>
12522
12523         * symtab.h (Symbol::is_weak_undefined): New function.
12524         (Symbol::is_strong_undefined): New function.
12525         (Symbol::is_absolute): New function.
12526         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12527         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12528         absolute symbols.
12529         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12530         (weak_undef_test): New target.
12531         * testsuite/Makefile.in: Rebuild.
12532         * testsuite/weak_undef_file1.cc: New file.
12533         * testsuite/weak_undef_file2.cc: New file.
12534         * testsuite/weak_undef_test.cc: New file.
12535
12536 2008-04-03  Craig Silverstein  <csilvers@google.com>
12537
12538         * compressed_output.h (class Output_compressed_section): Use
12539         unsigned buffer.
12540         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12541         add zlib header.
12542         (zlib_compressed_suffix): Removed.
12543         (Output_compressed_section::set_final_data_size): Use unsigned
12544         buffers.
12545         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12546         Fix linker invocation.
12547         (flagstest_o_specialfile_and_compress_debug_sections):
12548         Likewise.
12549         * testsuite/Makefile.in: Regenerated.
12550
12551 2008-04-02  David S. Miller  <davem@davemloft.net>
12552
12553         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12554         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12555
12556 2008-04-02  Craig Silverstein  <csilvers@google.com>
12557
12558         * TODO: New file.
12559
12560 2008-04-02  Ian Lance Taylor  <iant@google.com>
12561
12562         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12563         parameters.  Update for new key type to views_.  Change all
12564         callers.
12565         (File_read::read): Adjust for byteshift in returned view.
12566         (File_read::add_view): New function, broken out of
12567         find_and_make_view.
12568         (File_read::make_view): New function, broken out of
12569         find_and_make_view.
12570         (File_read::find_or_make_view): Add offset and aligned
12571         parameters.  Rewrite accordingly.  Change all callers.
12572         (File_read::get_view): Add offset and aligned parameters.  Adjust
12573         for byteshift in return value.
12574         (File_read::get_lasting_view): Likewise.
12575         * fileread.h (class File_read): Update declarations.
12576         (class File_read::View): Add byteshift_ field.  Add byteshift to
12577         constructor.  Add byteshift method.
12578         * archive.h (Archive::clear_uncached_views): New function.
12579         (Archive::get_view): Add aligned parameter.  Change all callers.
12580         * object.h (Object::get_view): Add aligned parameter.  Change all
12581         callers.
12582         (Object::get_lasting_view): Likewise.
12583
12584         * fileread.cc (File_read::release): Don't call clear_views if
12585         there are multiple objects.
12586         * fileread.h (File_read::clear_uncached_views): New function.
12587         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12588         on the archive.
12589
12590 2008-03-31  Cary Coutant  <ccoutant@google.com>
12591
12592         Add thin archive support.
12593         * archive.cc (Archive::armagt): New const.
12594         (Archive::setup): Remove task parameter and calls to unlock.
12595         (Archive::unlock_nested_archives): New function.
12596         (Archive::read_header): Add nested_off parameter. Change
12597         all callers.
12598         (Archive::interpret_header): Likewise.
12599         (Archive::include_all_members): Change to handle thin
12600         archives.
12601         (Archive::include_member): Likewise.
12602         * archive.h (Archive::Archive): Add new parameters and
12603         initializers.
12604         (Archive::armagt): New const.
12605         (Archive::setup): Remove task parameter.
12606         (Archive::unlock_nested_archives): New function.
12607         (Archive::read_header): Add nested_off parameter.
12608         (Archive::interpret_header): Likewise.
12609         (Archive::Nested_archive_table): New typedef.
12610         (Archive::is_thin_archive_): New field.
12611         (Archive::nested_archives_): New field.
12612         (Archive::options_): New field.
12613         (Archive::dirpath_): New field.
12614         (Archive::task_): New field.
12615         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12616         for thin archives.  Pass additional parameters to
12617         Archive::Archive.  Unlock the archive file after calling
12618         Archive::setup.
12619
12620 2008-03-29  Ian Lance Taylor  <iant@google.com>
12621
12622         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12623         version symbol to be local.
12624         * testsuite/ver_test_4.sh: New file.
12625         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12626         (check_DATA): Add ver_test_4.syms.
12627         (ver_test_4.syms): New target.
12628         * testsuite/Makefile.in: Rebuild.
12629
12630         * output.cc
12631         (Output_section::Input_section_sort_entry::has_priority): New
12632         function.
12633         (Output_section::Input_section_sort_entry::match_file_name): New
12634         function.
12635         (Output_section::Input_section_sort_entry::match_section_name):
12636         Remove.
12637         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12638         Remove.
12639         (Output_section::Input_section_sort_entry::match_section_file):
12640         Remove.
12641         (Output_section::Input_section_sort_compare::operator()): Rewrite
12642         using new Input_section_sort_entry functions.  Sort crtbegin and
12643         crtend first.  Sort sections with no priority before sections with
12644         a priority.
12645         * testsuite/initpri1.c (d3): Check j != 4.
12646         (cd5): New constructor/destructor function.
12647         (main): Check j != 2.
12648
12649         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12650         new symbol when resolving, don't call set_is_default.
12651         * testsuite/ver_test_7.cc: New file.
12652         * testsuite/ver_test_7.sh: New file.
12653         * testsuite/Makefile.am (ver_test_7.so): New target.
12654         (ver_test_7.o): New target.
12655         (check_SCRIPTS): Add ver_test_7.sh.
12656         (check_DATA): Add ver_test_7.syms.
12657         (ver_test_7.syms): New target.
12658
12659 2008-03-28  Ian Lance Taylor  <iant@google.com>
12660
12661         * layout.cc (Layout::layout): If we see an input section with a
12662         name that needs sorting, set the must_sort flag for the output
12663         section.
12664         (Layout::make_output_section): If the name of the output section
12665         indicates that it might require sorting, set the may_sort flag.
12666         * output.h (Output_section::may_sort_attached_input_sections): New
12667         function.
12668         (Output_section::set_may_sort_attached_input_sections): New
12669         function.
12670         (Output_section::must_sort_attached_input_sections): New
12671         function.
12672         (Output_section::set_must_sort_attached_input_sections): New
12673         function.
12674         (class Output_section): Declare Input_section_sort_entry.  Define
12675         Input_section_sort_compare.  Declare
12676         sort_attached_input_sections.  Add new fields:
12677         may_sort_attached_input_sections_,
12678         must_sort_attached_input_sections_,
12679         attached_input_sections_are_sorted_.
12680         * output.cc (Output_section::Output_section): Initialize new
12681         fields.
12682         (Output_section::add_input_section): Add an entry to
12683         input_sections_ if may_sort or must_sort are true.
12684         (Output_section::set_final_data_size): Call
12685         sort_attached_input_sections if necessary.
12686         (Output_section::Input_section_sort_entry): Define new class.
12687         (Output_section::Input_section_sort_compare::operator()): New
12688         function.
12689         (Output_section::sort_attached_input_sections): New function.
12690         * configure.ac: Check whether the compiler supports constructor
12691         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12692         * testsuite/initpri1.c: New file.
12693         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12694         CONSTRUCTOR_PRIORITY.
12695         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12696         (initpri1_LDFLAGS): New variable.
12697         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12698
12699 2008-03-27  Ian Lance Taylor  <iant@google.com>
12700
12701         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12702         * testsuite/common_test_1.c: New file.
12703         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12704         (common_test_1_SOURCES): New variable.
12705         (common_test_1_DEPENDENCIES): New variable.
12706         (common_test_1_LDFLAGS): New variable.
12707
12708         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12709         and commons_ correctly when NAME/VERSION does not override
12710         NAME/NULL.
12711         * testsuite/ver_test_6.c: New file.
12712         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12713         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12714         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12715
12716 2008-03-26  Ian Lance Taylor  <iant@google.com>
12717
12718         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12719         of an undefined symbol from a version script.
12720         * testsuite/Makefile.am (ver_test_5.so): New target.
12721         (ver_test_5.o): New target.
12722         (check_SCRIPTS): Add ver_test_5.sh.
12723         (check_DATA): Add ver_test_5.syms.
12724         (ver_test_5.syms): New target.
12725         * testsuite/ver_test_5.cc: New file.
12726         * testsuite/ver_test_5.script: New file.
12727         * testsuite/ver_test_5.sh: New file.
12728         * Makefile.in, testsuite/Makefile.in: Rebuild.
12729
12730         PR gold/5986
12731         Fix problems building gold with gcc 4.3.0.
12732         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12733         (gold_error_at_location, gold_warning_at_location): Use it.
12734         * configure.ac: Check whether we can compile and use a template
12735         function with a printf attribute.
12736         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12737         when jumping over bytes.
12738         * object.cc: Instantiate Object::read_section_data.
12739         * debug.h: Include <cstring>
12740         * dwarf_reader.cc: Include <algorithm>
12741         * main.cc: Include <cstring>.
12742         * options.cc: Include <cstring>.
12743         * output.cc: Include <cstring>.
12744         * script.cc: Include <cstring>.
12745         * script.h: Include <string>.
12746         * symtab.cc: Include <cstring> and <algorithm>.
12747         * target-select.cc: Include <cstring>.
12748         * version.cc: Include <string>.
12749         * testsuite/testmain.cc: Include <cstdlib>.
12750         * configure, config.in: Rebuild.
12751
12752 2008-03-25  Ian Lance Taylor  <iant@google.com>
12753
12754         * options.cc: Include "../bfd/bfdver.h".
12755         (options::help): Print bug reporting address.
12756
12757         * version.cc (print_version): Adjust output for current value of
12758         BFD_VERSION_STRING.
12759
12760         * NEWS: New file.
12761
12762         * options.cc (options::help): Print list of supported targets.
12763         * target-select.h: Include <vector>.
12764         (class Target_selector): Make machine_, size_, and is_big_endian_
12765         fields const.  Add bfd_name_ and instantiated_target_ fields.
12766         (Target_selector::Target_selector): Add bfd_name parameter.
12767         (Target_selector::recognize): Make non-virtual, call
12768         do_recognize.
12769         (Target_selector::recognize_by_name): Make non-virtual, call
12770         do_recognize_by_name.
12771         (Target_selector::supported_names): New function.
12772         (Target_selector::bfd_name): New function.
12773         (Target_selector::do_instantiate_target): New pure virtual
12774         function.
12775         (Target_selector::do_recognize): New virtual function.
12776         (Target_selector::do_recognize_by_name): New virtual function.
12777         (Target_selector::instantiate_target): New private function.
12778         (supported_target_names): Declare.
12779         * target-select.cc (Target_selector::Target_selector): Update for
12780         new parameter and fields.
12781         (select_target_by_name): Check that the name matches before
12782         calling recognize_by_name.
12783         (supported_target_names): New function.
12784         * i386.cc (class Target_selector_i386): Update Target_selector
12785         constructor call.  Remove recognize and recognize_by_name.  Add
12786         do_instantiate_target.
12787         * x86_64.cc (class Target_selector_x86_64): Likewise.
12788         * testsuite/testfile.cc (class Target_selector_test): Update for
12789         changes to Target_selector.
12790
12791         * README: Rewrite, with some notes on unsupported features.
12792
12793 2008-03-24  Cary Coutant  <ccoutant@google.com>
12794
12795         * i386.cc (Target_i386::Got_type): New enum declaration.
12796         (Target_i386::Scan::local): Updated callers of Output_data_got
12797         member functions.
12798         (Target_i386::Scan::global): Likewise.
12799         (Target_i386::Relocate::relocate): Likewise.
12800         (Target_i386::Relocate::relocate_tls): Likewise.
12801         * object.h (Got_offset_list): New class.
12802         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12803         (Sized_relobj::local_got_offset): Likewise.
12804         (Sized_relobj::set_local_got_offset): Likewise.
12805         (Sized_relobj::local_has_tls_got_offset): Removed.
12806         (Sized_relobj::local_tls_got_offset): Removed.
12807         (Sized_relobj::set_local_tls_got_offset): Removed.
12808         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12809         * output.cc (Output_data_got::add_global): Added got_type parameter.
12810         (Output_data_got::add_global_with_rel): Likewise.
12811         (Output_data_got::add_global_with_rela): Likewise.
12812         (Output_data_got::add_global_pair_with_rel): New function.
12813         (Output_data_got::add_global_pair_with_rela): New function.
12814         (Output_data_got::add_local): Added got_type parameter.
12815         (Output_data_got::add_local_with_rel): Likewise.
12816         (Output_data_got::add_local_with_rela): Likewise.
12817         (Output_data_got::add_local_pair_with_rel): New function.
12818         (Output_data_got::add_local_pair_with_rela): New function.
12819         (Output_data_got::add_global_tls): Removed.
12820         (Output_data_got::add_global_tls_with_rel): Removed.
12821         (Output_data_got::add_global_tls_with_rela): Removed.
12822         (Output_data_got::add_local_tls): Removed.
12823         (Output_data_got::add_local_tls_with_rel): Removed.
12824         (Output_data_got::add_local_tls_with_rela): Removed.
12825         * output.h (Output_data_got::add_global): Added got_type parameter.
12826         (Output_data_got::add_global_with_rel): Likewise.
12827         (Output_data_got::add_global_with_rela): Likewise.
12828         (Output_data_got::add_global_pair_with_rel): New function.
12829         (Output_data_got::add_global_pair_with_rela): New function.
12830         (Output_data_got::add_local): Added got_type parameter.
12831         (Output_data_got::add_local_with_rel): Likewise.
12832         (Output_data_got::add_local_with_rela): Likewise.
12833         (Output_data_got::add_local_pair_with_rel): New function.
12834         (Output_data_got::add_local_pair_with_rela): New function.
12835         (Output_data_got::add_global_tls): Removed.
12836         (Output_data_got::add_global_tls_with_rel): Removed.
12837         (Output_data_got::add_global_tls_with_rela): Removed.
12838         (Output_data_got::add_local_tls): Removed.
12839         (Output_data_got::add_local_tls_with_rel): Removed.
12840         (Output_data_got::add_local_tls_with_rela): Removed.
12841         * resolve.cc (Symbol::override_base_with_special): Removed
12842         reference to has_got_offset_ field.
12843         * symtab.cc (Symbol::init_fields): Replaced initialization
12844         of got_offset_ with got_offsets_.  Removed initialization
12845         of has_got_offset_
12846         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12847         (Symbol::got_offset): Likewise.
12848         (Symbol::set_got_offset): Likewise.
12849         (Symbol::has_tls_got_offset): Removed.
12850         (Symbol::tls_got_offset): Removed.
12851         (Symbol::set_tls_got_offset): Removed.
12852         (Symbol::got_offset_): Removed.
12853         (Symbol::tls_mod_got_offset_): Removed.
12854         (Symbol::tls_pair_got_offset_): Removed.
12855         (Symbol::got_offsets_): New field.
12856         (Symbol::has_got_offset): Removed.
12857         (Symbol::has_tls_mod_got_offset): Removed.
12858         (Symbol::has_tls_pair_got_offset): Removed.
12859         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12860         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12861         member functions.
12862         (Target_x86_64::Scan::global): Likewise.
12863         (Target_x86_64::Relocate::relocate): Likewise.
12864         (Target_x86_64::Relocate::relocate_tls): Likewise.
12865
12866 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12867
12868         * yyscript.y: Fix spelling error in comment.
12869
12870 2008-03-24  Ian Lance Taylor  <iant@google.com>
12871
12872         * options.h (class General_options): Define build_id option.
12873         * layout.h (class Layout): Declare write_build_id, create_note,
12874         create_build_id.  Add build_id_note_ member.
12875         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12876         "libiberty.h", "md5.h", "sha1.h".
12877         (Layout::Layout): Initialize eh_frame_data_,
12878         eh_frame_hdr_section_, and build_id_note_.
12879         (Layout::finalize): Call create_build_id.
12880         (Layout::create_note): New function, broken out of
12881         Layout::create_gold_note.
12882         (Layout::create_gold_note): Call create_note.
12883         (Layout::create_build_id): New function.
12884         (Layout::write_build_id): New function.
12885         (Close_task_runner::run): Call write_build_id.
12886
12887         * x86_64.cc: Correct license to GPLv3.
12888
12889 2008-03-23  Ian Lance Taylor  <iant@google.com>
12890
12891         * options.cc: Include "demangle.h".
12892         (parse_optional_string): New function.
12893         (parse_long_option): Handle takes_optional_argument.
12894         (parse_short_option): Update dash_z initializer.  Handle
12895         takes_optional_argument.
12896         (General_options::General_options): Initialize do_demangle_.
12897         (General_options::finalize): Set do_demangle_.  Handle demangling
12898         style.
12899         * options.h (parse_optional_string): Declare.
12900         (struct One_option): Add optional_arg field.  Update constructor.
12901         Update call constructor calls.  Add takes_optional_argument
12902         function.
12903         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12904         (DEFINE_optional_string): Define.
12905         (General_options::demangle): Change from DEFINE_bool to
12906         DEFINE_optional_string.
12907         (General_options::no_demangle): New function.
12908         (General_options::do_demangle): New function.
12909         (General_options::set_do_demangle): New function.
12910         (General_options::execstack_status_): Move definition to end of
12911         class definition.
12912         (General_options::static_): Likewise.
12913         (General_options::do_demangle_): New field.
12914         * object.cc (big_endian>::get_symbol_location_info): Call
12915         Options::do_demangle, not Options::demangle.
12916         * symtab.cc (demangle): Likewise.
12917
12918 2008-03-22  Ian Lance Taylor  <iant@google.com>
12919
12920         * gold.h: Include <cstddef> and <sys/types.h>
12921         * options.h: Include <cstring>.
12922
12923 2008-03-21  Ian Lance Taylor  <iant@google.com>
12924
12925         * Added source code to GNU binutils.