gold/ChangeLog

   1 2012-04-16  David S. Miller  <davem@davemloft.net>
   2
   3         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
   4         -fpic and -fpie respectively.
   5         * Makefile.in: Regenerate.
   6
   7         * sparc.cc (class Target_sparc): Add rela_ifunc_.
   8         (Target_sparc::Target_sparc): Initialize new field.
   9         (Target_sparc::do_plt_section_for_global): New function.
  10         (Target_sparc::do_plt_section_for_local): New function.
  11         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
  12         (Target_sparc::make_plt_section): New function, broken out of
  13         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
  14         (Target_sparc::make_plt_entry): Call make_plt_section.
  15         (Target_sparc::make_local_ifunc_plt_entry): New function.
  16         (Target_sparc::rela_ifunc_section): New function.
  17         (Target_sparc::plt_section): Remove const.
  18         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
  19         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
  20         and ifunc_count_ fields.
  21         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
  22         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
  23         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
  24         (Output_data_plt_sparc::rela_ifunc): New function.
  25         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
  26         (Output_data_plt_sparc::has_ifunc_section): New function.
  27         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
  28         (Output_data_plt_sparc::address_for_global): New function.
  29         (Output_data_plt_sparc::address_for_local): New function.
  30         (Output_data_plt_sparc::plt_index_to_offset): New function.
  31         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
  32         and entry_count.
  33         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
  34         entry_count.
  35         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
  36         R_SPARC_JMP_IREL to switch.
  37         (Target_sparc::Scan::check_non_pic): Likewise.
  38         (Target_sparc::Scan::local): Handle IFUNC symbols.
  39         (Target_sparc::Scan::local): Likewise.
  40         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
  41         and plt_address_for_local.
  42         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
  43         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
  44
  45         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
  46         (class Output_data_reloc): Adjust calls to Output_reloc_type.
  47         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
  48         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
  49         global relocs too.
  50         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
  51         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
  52         calls.
  53         * sparc.cc (Target_sparc::Scan::global): Likewise.
  54         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
  55
  56 2012-04-16  Cary Coutant  <ccoutant@google.com>
  57
  58         * archive.cc (Library_base::should_include_member): Check for
  59         --export-dynamic-symbol.
  60         * options.h (class General_options): Add --export-dynamic-symbol.
  61         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
  62         --export-dynamic-symbol.
  63         (Symbol_table::gc_mark_undef_symbols): Likewise.
  64         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
  65
  66 2012-04-12  David S. Miller  <davem@davemloft.net>
  67
  68         * sparc.cc (Reloc::wdisp10): New relocation method.
  69         (Reloc::h34): Likewise.
  70         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
  71         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
  72         R_SPARC_WDISP10.
  73         (Target_sparc::Scan::local): Likewise.
  74         (Target_sparc::Scan::global): Likewise.
  75         (Target_sparc::Relocate::relocate): Likewise.
  76
  77 2012-04-09  Cary Coutant  <ccoutant@google.com>
  78
  79         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
  80         low_pc == 0.
  81
  82 2012-04-06  Ian Lance Taylor  <iant@google.com>
  83
  84         * timer.cc: #include <unistd.h>.
  85
  86 2012-04-06  Roland McGrath  <mcgrathr@google.com>
  87
  88         * configure.in (AC_CHECK_HEADERS): Add locale.h.
  89         * config.in: Regenerate.
  90         * configure: Regenerate.
  91
  92 2012-04-05  Nick Clifton  <nickc@redhat.com>
  93
  94         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
  95         (AM_LC_MESSAGES): Add.
  96         * aclocal.m4: Regenerate.
  97         * config.in: Regenerate.
  98         * configure: Regenerate.
  99
 100 2012-03-21  Cary Coutant  <ccoutant@google.com>
 101
 102         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 103         * Makefile.in: Regenerate.
 104         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 105         (Sized_elf_reloc_mapper::symbol_section): New function.
 106         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 107         (make_elf_reloc_mapper): New function.
 108         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 109         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 110         (Dwarf_abbrev_table::do_get_abbrev): New function.
 111         (Dwarf_ranges_table::read_ranges_table): New function.
 112         (Dwarf_ranges_table::read_range_list): New function.
 113         (Dwarf_pubnames_table::read_section): New function.
 114         (Dwarf_pubnames_table::read_header): New function.
 115         (Dwarf_pubnames_table::next_name): New function.
 116         (Dwarf_die::Dwarf_die): New function.
 117         (Dwarf_die::read_attributes): New function.
 118         (Dwarf_die::skip_attributes): New function.
 119         (Dwarf_die::set_name): New function.
 120         (Dwarf_die::set_linkage_name): New function.
 121         (Dwarf_die::attribute): New function.
 122         (Dwarf_die::string_attribute): New function.
 123         (Dwarf_die::int_attribute): New function.
 124         (Dwarf_die::uint_attribute): New function.
 125         (Dwarf_die::ref_attribute): New function.
 126         (Dwarf_die::child_offset): New function.
 127         (Dwarf_die::sibling_offset): New function.
 128         (Dwarf_info_reader::check_buffer): New function.
 129         (Dwarf_info_reader::parse): New function.
 130         (Dwarf_info_reader::do_parse): New function.
 131         (Dwarf_info_reader::do_read_string_table): New function.
 132         (Dwarf_info_reader::lookup_reloc): New function.
 133         (Dwarf_info_reader::get_string): New function.
 134         (Dwarf_info_reader::visit_compilation_unit): New function.
 135         (Dwarf_info_reader::visit_type_unit): New function.
 136         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 137         Sized_elf_reloc_mapper.
 138         (Sized_dwarf_line_info::symbol_section): Remove function.
 139         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 140         (Sized_dwarf_line_info::read_line_mappings): Remove object
 141         parameter, adjust callers.
 142         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 143         * dwarf_reader.h: Include <sys/types.h>.
 144         (class Track_relocs): Remove forward declaration.
 145         (class Elf_reloc_mapper): New class.
 146         (class Sized_elf_reloc_mapper): New class.
 147         (class Dwarf_abbrev_table): New class.
 148         (class Dwarf_range_list): New class.
 149         (class Dwarf_ranges_table): New class.
 150         (class Dwarf_pubnames_table): New class.
 151         (class Dwarf_die): New class.
 152         (class Dwarf_info_reader): New class.
 153         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 154         (Sized_dwarf_line_info::symbol_section): Remove member function.
 155         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 156         base class.
 157         * gdb-index.cc: New source file.
 158         * gdb-index.h: New source file.
 159         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 160         and .debug_types sections, call Layout::add_to_gdb_index.
 161         (Sized_relobj_incr::do_section_name): Implement.
 162         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 163         return type; Implement.
 164         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 165         return type.
 166         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 167         parameter list and return type.
 168         (Sized_incr_dynobj::do_section_contents): Likewise.
 169         * layout.cc: Include gdb-index.h.
 170         (Layout::Layout): Initialize gdb_index_data_.
 171         (Layout::init_fixed_output_section): Check for .gdb_index section.
 172         (Layout::add_to_gdb_index): New function. Instantiate.
 173         * layout.h: Add forward declaration for class Gdb_index.
 174         (Layout::add_to_gdb_index): New member function.
 175         (Layout::gdb_index_data_): New data member.
 176         * main.cc: Include gdb-index.h.
 177         (main): Print statistics for gdb index.
 178         * object.cc (Object::section_contents): Move code into
 179         do_section_contents.
 180         (need_decompressed_section): Check for sections needed when building
 181         gdb index.
 182         (build_compressed_section_map): Likewise.
 183         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 184         gdb index.
 185         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 186         sections; call Layout::add_to_gdb_index.
 187         (Sized_relobj_file::do_decompressed_section_contents): Call
 188         do_section_contents directly.
 189         * object.h (Object::do_section_contents): Adjust parameter list and
 190         return type.
 191         (Object::do_decompressed_section_contents): Call do_section_contents
 192         directly.
 193         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 194         return type.
 195         * options.h (class General_options): Add --gdb-index option.
 196         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 197         list and return type.
 198         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 199         * reloc.h (Track_relocs::checkpoint): New function.
 200         (Track_relocs::reset): New function.
 201
 202         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 203         New test cases.
 204         * testsuite/Makefile.in: Regenerate.
 205         * testsuite/gdb_index_test.cc: New test source file.
 206         * testsuite/gdb_index_test_1.sh: New test source file.
 207         * testsuite/gdb_index_test_2.sh: New test source file.
 208
 209 2012-03-19  Doug Kwan  <dougkwan@google.com>
 210
 211         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 212         (Target_arm::do_finalize_sections): Remove code which defines
 213         __exidx_start and __exidx_end.  Make symbol table parameter
 214         anonymous as it is not used.
 215         * gold.cc (queue_middle_tasks): Call target hook to define any
 216         target-specific symbols.
 217         * target.h (Target::define_standard_symbols): New method.
 218         (Target::do_define_standard_symbols): Same.
 219         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 220         * testsuite/Makefile.in: Regenerate.
 221         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 222         and __exidx_end.
 223         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 224         relocations are generated for __exidx_start and __exidx_end.
 225
 226 2012-03-16  Doug Kwan  <dougkwan@google.com>
 227
 228         * testsuite/Makefile.am: Disable test initpri3b.
 229         * testsuite/Makefile.in: Regenerate.
 230
 231 2012-03-15  Doug Kwan  <dougkwan@google.com>
 232
 233         * arm.cc (Target_arm::got_section): Make .got section read-only
 234         if -z now is given.
 235
 236 2012-03-15  Ian Lance Taylor  <iant@google.com>
 237
 238         PR gold/13850
 239         * layout.cc (Layout::make_output_section): Correctly mark
 240         SHT_INIT_ARRAY, et. al., as relro.
 241
 242 2012-03-14  Doug Kwan  <dougkwan@google.com>
 243
 244         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 245         dynamic relocations for protected symbols in shared objects.
 246
 247 2012-03-13  Ian Lance Taylor  <iant@google.com>
 248
 249         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 250         keep the larger alignment.
 251
 252 2012-03-12  Cary Coutant  <ccoutant@google.com>
 253
 254         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 255         handling of DW_LNE_define_file.
 256
 257 2012-03-12  Cary Coutant  <ccoutant@google.com>
 258
 259         * reduced_debug_output.cc
 260         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 261         codes to switch.
 262
 263 2012-02-29  Cary Coutant  <ccoutant@google.com>
 264
 265         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 266
 267 2012-02-29  Cary Coutant  <ccoutant@google.com>
 268
 269         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 270         Call Object::decompressed_section_contents.
 271         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 272         New dtor.
 273         (Sized_dwarf_line_info::buffer_start_): New data member.
 274         * merge.cc (Output_merge_data::do_add_input_section): Call
 275         Object::decompressed_section_contents.
 276         (Output_merge_string::do_add_input_section): Likewise.
 277         * object.cc (need_decompressed_section): New function.
 278         (build_compressed_section_map): Decompress sections needed later.
 279         (Sized_relobj_file::do_decompressed_section_contents): New function.
 280         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 281         * object.h (Object::decompressed_section_contents): New function.
 282         (Object::discard_decompressed_sections): New function.
 283         (Object::do_decompressed_section_contents): New function.
 284         (Object::do_discard_decompressed_sections): New function.
 285         (Compressed_section_info): New type.
 286         (Compressed_section_map): Include decompressed section contents.
 287         (Sized_relobj_file::do_decompressed_section_contents): New function.
 288         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 289
 290 2012-02-16  Cary Coutant  <ccoutant@google.com>
 291
 292         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 293         * testsuite/Makefile.in: Regenerate.
 294
 295 2012-02-14  Cary Coutant  <ccoutant@google.com>
 296
 297         * options.cc (General_options::finalize): Disallow -pie and -static.
 298
 299 2012-02-03  Doug Kwan  <dougkwan@google.com>
 300
 301         * arm.cc (Arm_relocate_functions::abs8,
 302         Arm_relocate_functions::abs16): Use
 303         Bits::has_signed_unsigned_overflow32.
 304         (Arm_relocate_functions::thm_abs8): Correct range of
 305         overflow check.
 306         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 307         in assertions.
 308
 309 2012-02-02  Doug Kwan  <dougkwan@google.com>
 310
 311         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 312         position independent outputs, not just shared objects.
 313
 314 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 315
 316         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 317         * configure: Regenerated.
 318
 319 2012-01-27  Ian Lance Taylor  <iant@google.com>
 320
 321         * reloc.h (Bits): New class with static functions, copied from
 322         namespace utils in arm.cc.
 323         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 324         instead.
 325
 326 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 327
 328         * incremental.cc (write_info_blocks): Correct relocation offset.
 329
 330 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 331
 332         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 333         (Relocate::tls_gd_to_le): Likewise.
 334
 335 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 336
 337         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 338
 339 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 340
 341         * configure.ac: Check if -mcmodel=medium works.
 342         * configure: Regenerated.
 343
 344 2012-01-24  Cary Coutant  <ccoutant@google.com>
 345
 346         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 347         definition and ...
 348         (read_unsigned_LEB_128_x): ... this new function.
 349         (read_signed_LEB_128): Replaced with inline definition and ...
 350         (read_signed_LEB_128_x): ... this new function.
 351         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 352         (read_unsigned_LEB_128): Add inline definition.
 353         (read_signed_LEB_128_x): New function.
 354         (read_signed_LEB_128): Add inline definition.
 355         * testsuite/Makefile.am (leb128_unittest): New unit test.
 356         * testsuite/Makefile.in: Regenerate.
 357         * testsuite/leb128_unittest.cc: New unit test.
 358
 359 2012-01-23  Ian Lance Taylor  <iant@google.com>
 360
 361         PR gold/13617
 362         * i386.cc (Target_i386::do_code_fill): When using a jmp
 363         instruction, pad with nop instructions.
 364         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 365
 366 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 367
 368         * x86_64.cc (gc_process_relocs): Add typename on types used in
 369         template.
 370         (scan_relocs): Likewise.
 371         (relocate_section): Likewise.
 372         (apply_relocation): Likewise.
 373
 374 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 375
 376         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 377         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 378         under x32.
 379
 380 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 381
 382         * x86_64.cc: Initial support for x32.
 383
 384 2012-01-03  Cary Coutant  <ccoutant@google.com>
 385
 386         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 387         Use abstract base class for GOT.
 388         * gold/output.h (class Output_data_got_base): New abstract base class.
 389         (class Output_data_got): Derive from new base class, adjust ctors.
 390         (Output_data_got::reserve_slot): Make virtual; rename to
 391         do_reserve_slot; Adjust callers.
 392         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 393         pointer to abstract base class.
 394         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 395
 396 2011-12-18  Ian Lance Taylor  <iant@google.com>
 397
 398         * object.h (Relobj::local_symbol_value): New function.
 399         (Relobj::local_plt_offset): New function.
 400         (Relobj::local_has_got_offset): New function.
 401         (Relobj::local_got_offset): New function.
 402         (Relobj::set_local_got_offset): New function.
 403         (Relobj::do_local_symbol_value): New pure virtual function.
 404         (Relobj::do_local_plt_offset): Likewise.
 405         (Relobj::do_local_has_got_offset): Likewise.
 406         (Relobj::do_local_got_offset): Likewise.
 407         (Relobj::do_set_local_got_offset): Likewise.
 408         (Sized_relobj::do_local_has_got_offset): Rename from
 409         local_has_got_offset.
 410         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 411         (Sized_relobj::do_set_local_got_offset): Rename from
 412         set_local_got_offset.
 413         (Sized_relobj_file::do_local_plt_offset): Rename from
 414         local_plt_offset.
 415         (Sized_relobj_file::do_local_symbol_value): New function.
 416         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 417         local_plt_offset.
 418         * output.cc (Output_data_got::Got_entry::write): Change object to
 419         Relobj.  Use local_symbol_value.
 420         (Output_data_got::add_global_with_rel): Change rel_dyn to
 421         Output_data_reloc_generic*.  Use add_global_generic.
 422         (Output_data_got::add_global_with_rela): Remove.  Change all
 423         callers to use add_global_with_rel.
 424         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 425         Output_data_reloc_generic*.  Use add_global_generic.
 426         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 427         callers to use add_global_pair_with_rel.
 428         (Output_data_got::add_local): Change object to Relobj*.
 429         (Output_data_got::add_local_plt): Likewise.
 430         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 431         change rel_dyn to Output_data_reloc_generic*.  Use
 432         add_local_generic.
 433         (Output_data_got::add_local_with_rela): Remove.  Change all
 434         callers to use all_local_with_rel.
 435         (Output_data_got::add_local_pair_with_rel): Change object to
 436         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 437         add_output_section_generic.
 438         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 439         callers to use add_local_pair_with_rel.
 440         (Output_data_got::reserve_local): Change object to Relobj*.
 441         * output.h: (class Output_data_reloc_generic): Add pure virtual
 442         declarations for add_global_generic, add_local_generic,
 443         add_output_section_generic.
 444         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 445         functions for Output_data_reloc_generic.  Update declarations for
 446         changes listed in output.cc.
 447         (class Output_data_got): Change template parameter to got_size.
 448         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 449         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 450         function.
 451         (Sized_relobj_incr::do_local_plt_offset): New function.
 452         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 453         add_global_generic.
 454
 455 2011-12-17  Cary Coutant  <ccoutant@google.com>
 456
 457         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 458         * resolve.cc (Symbol_table::resolve): Likewise.
 459         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 460         arrays.
 461         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 462
 463 2011-12-16  Ian Lance Taylor  <iant@google.com>
 464
 465         * output.h (Output_data_reloc_generic::add): Only call
 466         add_dynamic_reloc if this is a dynamic reloc section.
 467
 468 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 469
 470         PR gold/13505
 471         * target-reloc.h (apply_relocation): Replace <64, false> with
 472         <size, big_endian>.
 473
 474 2011-11-25  Nick Clifton  <nickc@redhat.com>
 475
 476         * po/it.po: New Italian translation.
 477
 478 2011-11-17  Sterling Augustine  <saugustine@google.com>
 479
 480         * script.cc (script_include_directive): Implement.
 481         (read_script_file): New local variables name and search_path. Update
 482         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 483         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 484         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 485
 486 2011-11-11  Sterling Augustine  <saugustine@google.com>
 487
 488         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 489         (file_or_sections_cmd): Likewise.
 490
 491 2011-11-11  Doug Kwan  <dougkwan@google.com>
 492
 493         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 494         if --just-symbols is given.
 495
 496 2011-11-10  Doug Kwan  <dougkwan@google.com>
 497
 498         PR gold/13362
 499         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 500         when processing data relocs.
 501         * reloc.h (Relocate_functions::rel_unaligned): New method.
 502         (Relocate_functions::pcrel_unaligned): Ditto.
 503         (Relocate_functions::rel32_unaligned): Ditto.
 504         (Relocate_functions::pcrel32_unaligned): Ditto.
 505
 506 2011-11-09  Doug Kwan  <dougkwan@google.com>
 507
 508         PR gold/13362
 509         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 510         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 511         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 512         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 513         (Relocate_functions::rel_unaligned): New.
 514         (Relocate_functions::rel32_unaligned): New.
 515         * target-reloc.h (relocate_for_relocatable): Add code to handle
 516         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 517         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 518         arm_unaligned_reloc_r): New targets.
 519         * testsuite/Makefile.in: Regenerate.
 520         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 521         linking.
 522
 523 2011-11-02  Ian Lance Taylor  <iant@google.com>
 524
 525         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 526         NATIVE_LINKER.
 527         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 528         * options.cc (General_options::finalize): Use library search path
 529         from configure script if specified.  If not native and no sysroot,
 530         only search TOOLLIBDIR.
 531         * options.h (Search_directory::Search_directory): Change name to
 532         const std::string&.
 533         (General_options::add_to_library_path_with_sysroot): Change arg to
 534         const std::string&.
 535         * configure, Makefile.in, config.in: Rebuild.
 536
 537 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 538
 539         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 540         we are working around the ARM1176 Erratum.
 541         * options.h (General_options::fix_arm1176): Add option.
 542         * testsuite/Makefile.am: Add testcases, and keep current ones
 543         working.
 544         * testsuite/Makefile.in: Regenerate.
 545         * testsuite/arm_fix_1176.s: New file.
 546         * testsuite/arm_fix_1176.sh: Likewise.
 547
 548 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 549
 550         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 551         may_use_blx_.
 552         (Target_arm::may_use_blx): Remove method.
 553         (Target_arm::set_may_use_blx): Likewise.
 554         (Target_arm::may_use_v4t_interworking): New method.
 555         (Target_arm::may_use_v5t_interworking): Likewise.
 556         (Target_arm::may_use_blx_): Remove member variable.
 557         (Arm_relocate_functions::arm_branch_common): Check for v5T
 558         interworking.
 559         (Arm_relocate_functions::thumb_branch_common): Likewise.
 560         (Reloc_stub::stub_type_for_reloc): Likewise.
 561         (Target_arm::do_finalize_sections): Correct interworking checks.
 562         * testsuite/Makefile.am: Add new tests.
 563         * testsuite/Makefile.in: Regenerate.
 564         * testsuite/arm_farcall_arm_arm.s: New test.
 565         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 566         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 567         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 568         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 569         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 570         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 571         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 572
 573 2011-10-31  Cary Coutant  <ccoutant@google.com>
 574
 575         PR gold/13023
 576         * expression.cc (Expression::eval_with_dot): Add
 577         is_section_dot_assignment parameter.
 578         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 579         absolute and assigning to dot within a section.
 580         * script-sections.cc
 581         (Output_section_element_assignment::set_section_addresses): Pass
 582         dot_section to set_if_absolute.
 583         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 584         as is_section_dot_assignment flag to eval_with_dot.
 585         (Output_section_element_dot_assignment::set_section_addresses):
 586         Likewise.
 587         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 588         parameter.  Also set value if relative to dot_section; set the
 589         symbol's output_section.
 590         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 591         parameter.  Adjust all callers.
 592         (Expression::eval_maybe_dot): Likewise.
 593         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 594         Adjust all callers.
 595         * testsuite/script_test_2.t: Test assignment of an absolute value
 596         to dot within an output section element.
 597
 598 2011-10-31  Cary Coutant  <ccoutant@google.com>
 599
 600         * options.h (class General_options): Add --[no-]gnu-unique options.
 601         * symtab.cc (Symbol_table::sized_write_globals): Convert
 602         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 603
 604 2011-10-31  Cary Coutant  <ccoutant@google.com>
 605
 606         PR gold/13359
 607         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 608         unnecessary assertion.
 609         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 610
 611 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 612
 613         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 614         gc_mark_symbol.
 615         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 616         gc_mark_symbol.
 617         Change to just keep the section associated with symbol.
 618         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 619         they are externally visible and --export-dynamic is turned on.
 620         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 621
 622 2011-10-19  Ian Lance Taylor  <iant@google.com>
 623
 624         PR gold/13163
 625         * script-sections.cc
 626         (Output_section_element_dot_assignment::needs_output_section): New
 627         function.
 628
 629 2011-10-19  Ian Lance Taylor  <iant@google.com>
 630
 631         PR gold/13204
 632         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 633         --section-start option was seen.
 634         * options.h (General_options::any_section_start): New function.
 635
 636 2011-10-18  David S. Miller  <davem@davemloft.net>
 637
 638         PR binutils/13301
 639         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 640         member to track relocation locations that have moved during TLS
 641         reloc optimizations.
 642         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 643         (Target_sparc::Relocate::relocate): Adjust view down by 4
 644         bytes if it matches reloc_adjust_addr_.
 645         (Target_sparc::Relocate::relocate_tls): Always move the
 646         __tls_get_addr call delay slot instruction forward 4 bytes when
 647         performing relaxation.
 648
 649 2011-10-18  Cary Coutant  <ccoutant@google.com>
 650
 651         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 652         (Output_file::map_no_anonymous): Check for non-zero
 653         return code from posix_fallocate.
 654
 655 2011-10-17  Cary Coutant  <ccoutant@google.com>
 656
 657         PR gold/13245
 658         * plugin.cc (is_visible_from_outside): Check for symbols
 659         referenced from dynamic objects.
 660         * resolve.cc (Symbol_table::resolve): Don't count references
 661         from dynamic objects as references from real ELF files.
 662         * testsuite/plugin_test_2.sh: Adjust expected result.
 663
 664 2011-10-17  Cary Coutant  <ccoutant@google.com>
 665
 666         * gold.cc: Include timer.h.
 667         (queue_middle_tasks): Stamp time.
 668         (queue_final_tasks): Likewise.
 669         * main.cc (main): Store timer in parameters.  Print timers
 670         for each pass.
 671         * parameters.cc (Parameters::Parameters): Initialize timer_.
 672         (Parameters::set_timer): New function.
 673         (set_parameters_timer): New function.
 674         * parameters.h (Parameters::set_timer): New function.
 675         (Parameters::timer): New function.
 676         (Parameters::timer_): New data member.
 677         (set_parameters_timer): New function.
 678         * timer.cc (Timer::stamp): New function.
 679         (Timer::get_pass_time): New function.
 680         * timer.h (Timer::stamp): New function.
 681         (Timer::get_pass_time): New function.
 682         (Timer::pass_times_): New data member.
 683
 684 2011-10-17  Cary Coutant  <ccoutant@google.com>
 685
 686         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 687         task for members of lib groups.
 688
 689 2011-10-17  Cary Coutant  <ccoutant@google.com>
 690
 691         PR gold/13288
 692         * fileread.cc (File_read::find_view): Add assert.
 693         (File_read::make_view): Move bounds check (replace with assert)...
 694         (File_read::find_or_make_view): ... to here.
 695
 696 2011-10-12  Cary Coutant  <ccoutant@google.com>
 697
 698         * output.cc (Output_file::open_base_file): Handle case where
 699         ::read returns less than requested size.
 700
 701 2011-10-10  Cary Coutant  <ccoutant@google.com>
 702
 703         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 704         Initialize defined_count_.
 705         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 706         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 707         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 708         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 709         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 710         * incremental.h (Sized_relobj_incr::defined_count_): New data
 711         member.
 712         (Sized_incr_dynobj::defined_count_): New data member.
 713         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 714         Return zeroes instead of internal error.
 715
 716 2011-10-10  Cary Coutant  <ccoutant@google.com>
 717
 718         PR gold/13249
 719         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 720         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 721         * output.h (class Output_reloc): Add use_plt_offset flag.
 722         (Output_reloc::type_): Adjust size of bit field.
 723         (Output_reloc::use_plt_offset_): New bit field.
 724         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 725         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 726         flag.  Adjust all callers.
 727         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 728         creating RELATIVE relocations.
 729
 730 2011-10-10  Nick Clifton  <nickc@redhat.com>
 731
 732         * po/es.po: Updated Spanish translation.
 733         * po/fi.po: Updated Finnish translation.
 734
 735 2011-10-03   Diego Novillo  <dnovillo@google.com>
 736
 737         * options.cc (parse_uint): Fix dereference of RETVAL.
 738
 739 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 740
 741         * layout.h (section_order_map_): New member.
 742         (get_section_order_map): New member function.
 743         * output.cc (Output_section::add_input_section): Check for patterns
 744         only when --section-ordering-file is specified.
 745         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 746         output_sections have been formed.
 747         * layout.cc (Layout_Layout): Initialize section_order_map_.
 748         * plugin.cc (update_section_order): Store order in order_map. Do not
 749         update the order.
 750         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 751         * testsuite/Makefile.in: Regenerate.
 752         * testsuite/plugin_section_order.c: New file.
 753         * testsuite/plugin_final_layout.cc: New file.
 754         * testsuite/plugin_final_layout.sh: New file.
 755
 756 2011-09-29  Cary Coutant  <ccoutant@google.com>
 757
 758         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 759         Check for NULL.
 760         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 761         symbols during incremental update.
 762         (Symbol_table::add_from_dynobj): Likewise.
 763
 764 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 765             Ian Lance Taylor  <iant@google.com>
 766
 767         * symtab.cc (Symbol_table::define_special_symbol): Always
 768         canonicalize version string.
 769
 770 2011-09-26  Cary Coutant  <ccoutant@google.com>
 771
 772         * gold.cc (queue_initial_tasks): Move option checks ...
 773         * options.cc (General_options::finalize): ... to here. Disable
 774         some options; make others fatal.
 775
 776 2011-09-26  Cary Coutant  <ccoutant@google.com>
 777
 778         gcc PR lto/47247
 779         * plugin.cc (get_symbols_v2): New function.
 780         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 781         (is_referenced_from_outside): New function.
 782         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 783         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 784         (get_symbols): Pass version parameter.
 785         (get_symbols_v2): New function.
 786         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 787         parameter.
 788         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 789         (onload): Add LDPT_GET_SYMBOLS_V2.
 790         (all_symbols_read_hook): Use get_symbols_v2; check for
 791         LDPR_PREVAILING_DEF_IRONLY_EXP.
 792         * testsuite/plugin_test_3.sh: Update expected results.
 793
 794 2011-09-23  Simon Baldwin  <simonb@google.com>
 795
 796         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 797         configuration options.
 798         * configure: Regenerate.
 799         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 800         * Makefile.in: Regenerate.
 801         * testsuite/Makefile.in: Regenerate.
 802
 803 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 804
 805         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 806
 807 2011-09-19  Cary Coutant  <ccoutant@google.com>
 808
 809         * incremental.cc (can_incremental_update): Fix typo in comment.
 810         * incremental.h (can_incremental_update): Likewise.
 811
 812 2011-09-18  Cary Coutant  <ccoutant@google.com>
 813
 814         * incremental.cc (can_incremental_update): New function.
 815         * incremental.h (can_incremental_update): New function.
 816         * layout.cc (Layout::init_fixed_output_section): Call it.
 817         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 818         * object.cc (Sized_relobj_file::do_layout): Call
 819         can_incremental_update.
 820
 821 2011-09-13  Cary Coutant  <ccoutant@google.com>
 822
 823         * configure.ac: Check for glibc support for gnu_indirect_function
 824         support with static linking, setting automake conditional
 825         IFUNC_STATIC.
 826         * Makefile.in: Regenerate.
 827         * configure: Regenerate.
 828
 829         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 830         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 831         for IFUNC_STATIC.
 832         * testsuite/Makefile.in: Regenerate.
 833
 834 2011-09-13  Cary Coutant  <ccoutant@google.com>
 835
 836         * incremental.cc (Sized_relobj_incr::do_layout): Call
 837         report_comdat_group for kept comdat sections.
 838         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 839         * testsuite/Makefile.in: Regenerate.
 840         * testsuite/incr_comdat_test_1.cc: New source file.
 841         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 842         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 843         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 844
 845 2011-09-13  Ian Lance Taylor  <iant@google.com>
 846
 847         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 848         variable external_symbols_offset.
 849
 850 2011-09-12  Ian Lance Taylor  <iant@google.com>
 851
 852         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 853         triggered if object has no symbols.
 854
 855 2011-09-09  David S. Miller  <davem@davemloft.net>
 856
 857         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 858         (Output_fill_debug_line::do_write): Likewise.
 859
 860 2011-08-29  Cary Coutant  <ccoutant@google.com>
 861
 862         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 863         casts to match formatting specs.
 864         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 865
 866 2011-08-26  Cary Coutant  <ccoutant@google.com>
 867
 868         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 869         remaining hole size when allocating.
 870         (Layout::make_output_section): Set fill methods for debug sections.
 871         * layout.h (Free_list::Free_list_node): Move from private to
 872         public.
 873         (Free_list::set_min_hole_size): New function.
 874         (Free_list::begin, Free_list::end): New functions.
 875         (Free_list::min_hole_): New data member.
 876         * output.cc: Include dwarf.h.
 877         (Output_fill_debug_info::do_minimum_hole_size): New function.
 878         (Output_fill_debug_info::do_write): New function.
 879         (Output_fill_debug_line::do_minimum_hole_size): New function.
 880         (Output_fill_debug_line::do_write): New function.
 881         (Output_section::Output_section): Initialize new data member.
 882         (Output_section::set_final_data_size): Ensure patch space is larger
 883         than minimum hole size.
 884         (Output_section::do_write): Fill holes in debug sections.
 885         * output.h (Output_fill): New class.
 886         (Output_fill_debug_info): New class.
 887         (Output_fill_debug_line): New class.
 888         (Output_section::set_free_space_fill): New function.
 889         (Output_section::free_space_fill_): New data member.
 890         * testsuite/Makefile.am (incremental_test_3): Add
 891         --incremental-patch option.
 892         (incremental_test_4): Likewise.
 893         (incremental_test_5): Likewise.
 894         (incremental_test_6): Likewise.
 895         (incremental_copy_test): Likewise.
 896         (incremental_common_test_1): Likewise.
 897         * testsuite/Makefile.in: Regenerate.
 898
 899 2011-08-26  Nick Clifton  <nickc@redhat.com>
 900
 901         * po/es.po: Updated Spanish translation.
 902
 903 2011-08-01  Cary Coutant  <ccoutant@google.com>
 904
 905         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 906         * gold/testsuite/Makefile.in: Regenerate.
 907         * gold/testsuite/justsyms_exec.c: New source file.
 908         * gold/testsuite/justsyms_lib.c: New source file.
 909
 910 2011-08-01  Cary Coutant  <ccoutant@google.com>
 911
 912         * layout.cc (Layout::set_segment_offsets): Don't realign text
 913         segment if -Ttext was specified.
 914         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 915         file type.
 916         * object.h (Sized_relobj_file::e_type): New function.
 917         (Sized_relobj_file::e_type_): New data member.
 918         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 919         base address for ET_EXEC files.
 920         * target.cc (Target::do_make_elf_object_implementation): Allow
 921         ET_EXEC files with --just-symbols option.
 922
 923 2011-07-28  Cary Coutant  <ccoutant@google.com>
 924
 925         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 926         Add thread_number parameter.
 927         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 928         * workqueue-threads.cc
 929         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 930         current thread if its thread number is greater than desired thread
 931         count.
 932         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 933         Add thread_number parameter.
 934         (Workqueue::should_cancel_thread): Likewise.
 935         (Workqueue::find_runnable_or_wait): Pass thread_number to
 936         should_cancel_thread.
 937         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 938         parameter.
 939
 940 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 941
 942         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 943         only after checking if it cannot be forced local.
 944         * symtab.h (is_externally_visible): Check if the symbol is not forced
 945         local.
 946
 947 2011-07-15  Ian Lance Taylor  <iant@google.com>
 948
 949         * options.h (class General_options): Add --print-output-format.
 950         Move -EL next to -EB, for  better --help output.
 951         * target-select.cc: Include <cstdio>, "options.h", and
 952         "parameters.h".
 953         (Target_selector::do_target_bfd_name): New function.
 954         (print_output_format): New function.
 955         * target-select.h (class Target_selector): Update declarations.
 956         (Target_selector::target_bfd_name): New function.
 957         (print_output_format): Declare.
 958         * main.cc: Include "target-select.h".
 959         (main): Handle --print-output-format.
 960         * gold.cc: Include "target-select.h".
 961         (queue_initial_tasks): Handle --print-output-format when there are
 962         no input files.
 963         * parameters.cc (parameters_force_valid_target): Give a better
 964         error message if -EB/-EL does not match target.
 965         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 966         function.
 967
 968 2011-07-15  Ian Lance Taylor  <iant@google.com>
 969
 970         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 971         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 972         (Output_data_plt_i386::do_write): Write address of .dynamic
 973         section to first entry in .got.plt section.
 974         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 975         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 976         Initialize layout_.
 977         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 978         section to first entry in .got.plt section.
 979         * layout.h (Layout::dynamic_section): New function.
 980
 981 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 982
 983         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 984         to claim_file call.
 985         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 986         input_section_position_, and input_section_glob_.
 987         (read_layout_from_file): Call function section_ordering_specified.
 988         * layout.h (is_section_ordering_specified): New function.
 989         (section_ordering_specified): New function.
 990         (section_ordering_specified_): New boolean member.
 991         * main.cc(main): Call load_plugins after layout object is defined.
 992         * output.cc (Output_section::add_input_section): Use
 993         function section_ordering_specified to check if section ordering is
 994         needed.
 995         * output.cc (Output_section::add_relaxed_input_section): Use
 996         function section_ordering_specified to check if section ordering is
 997         needed.
 998         (Output_section::update_section_layout): New function.
 999         (Output_section::sort_attached_input_sections): Check if input section
1000         must be reordered.
1001         * output.h (Output_section::update_section_layout): New function.
1002         * plugin.cc (get_section_count): New function.
1003         (get_section_type): New function.
1004         (get_section_name): New function.
1005         (get_section_contents): New function.
1006         (update_section_order): New function.
1007         (allow_section_ordering): New function.
1008         (Plugin::load): Add the new interfaces to the transfer vector.
1009         (Plugin_manager::load_plugins): New parameter.
1010         (Plugin_manager::all_symbols_read): New parameter.
1011         (Plugin_manager::claim_file): New parameter. Save the elf object for
1012         unclaimed objects.
1013         (Plugin_manager::get_elf_object): New function.
1014         (Plugin_manager::get_view): Change to directly use the bool to check
1015         if get_view is called from claim_file_hook.
1016         * plugin.h (input_objects): New function
1017         (Plugin__manager::load_plugins): New parameter.
1018         (Plugin_manager::claim_file): New parameter.
1019         (Plugin_manager::get_elf_object): New function.
1020         (Plugin_manager::in_claim_file_handler): New function.
1021         (Plugin_manager::in_claim_file_handler_): New member.
1022         (layout): New function.
1023         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1024         handler with an extra parameter. Make the elf object before calling
1025         claim_file handler.
1026         * testsuite/plugin_test.c (get_section_count): New function pointer.
1027         (get_section_type): New function pointer.
1028         (get_section_name): New function pointer.
1029         (get_section_contents): New function pointer.
1030         (update_section_order): New function pointer.
1031         (allow_section_ordering): New function pointer.
1032         (onload): Check if the new interfaces exist.
1033
1034 2011-07-13  Ian Lance Taylor  <iant@google.com>
1035
1036         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1037         relro section.
1038         * x86_64.cc (Target_x86_64::got_section): Likewise.
1039         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1040         (relro_now_test_SOURCES): New variable.
1041         (relro_now_test_DEPENDENCIES): New variable.
1042         (relro_now_test_LDFLAGS): New variable.
1043         (relro_now_test_LDADD): New variable.
1044         (relro_now_test.so): New target.
1045         * testsuite/Makefile.in: Rebuild.
1046
1047 2011-07-12  Ian Lance Taylor  <iant@google.com>
1048
1049         PR gold/12980
1050         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1051         GLOB_DAT relocation rather than a RELATIVE relocation for a
1052         protected symbol when creating a shared library.
1053         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1054         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1055         * testsuite/protected_main_1.cc (main): Test that protected
1056         function has same address.
1057
1058 2011-07-11  Ian Lance Taylor  <iant@google.com>
1059
1060         PR gold/12979
1061         * options.h (class General_options): Add -Bgroup.
1062         * options.cc (General_options::finalize): If -Bgroup is set,
1063         default to --unresolved-symbols=report-all.
1064         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1065         * target-reloc.h (issue_undefined_symbol_error): Handle
1066         --unresolved-symbols=report-all.
1067
1068 2011-07-08  Ian Lance Taylor  <iant@google.com>
1069
1070         PR gold/11985
1071         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1072         if linker script discards key sections.
1073         (Layout::create_dynamic_symtab): Likewise.
1074         (Layout::assign_local_dynsym_offsets): Likewise.
1075         (Layout::sized_create_version_sections): Likewise.
1076         (Layout::create_interp): Likewise.
1077         (Layout::finish_dynamic_section): Likewise.
1078         (Layout::set_dynamic_symbol_size): Likewise.
1079
1080 2011-07-08  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/12386
1083         * options.h (class General_options): Add --unresolved-symbols.
1084         * target-reloc.h (issue_undefined_symbol_error): Check
1085         --unresolved-symbols.  Add comments.
1086
1087 2011-07-08  Ian Lance Taylor  <iant@google.com>
1088
1089         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1090         expression more complex.
1091
1092 2011-07-08  Ian Lance Taylor  <iant@google.com>
1093
1094         PR gold/11317
1095         * target-reloc.h (issue_undefined_symbol_error): New inline
1096         function, broken out of relocate_section.
1097         (relocate_section): Call issue_undefined_symbol_error.
1098         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1099         there is no TLS segment if we are about to issue an undefined
1100         symbol error.
1101         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1102
1103 2011-07-08  Ian Lance Taylor  <iant@google.com>
1104
1105         PR gold/12279
1106         * resolve.cc (Symbol_table::should_override): Add fromtype
1107         parameter.  Change all callers.  Give error when linking together
1108         TLS and non-TLS symbol.
1109         (Symbol_table::should_override_with_special): Add fromtype
1110         parameter.  Change all callers.
1111         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1112         there is no TLS segment if we have reported some errors.
1113         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1114
1115 2011-07-08  Ian Lance Taylor  <iant@google.com>
1116
1117         PR gold/12372
1118         * target.h (Target::plt_address_for_global): New function.
1119         (Target::plt_address_for_local): New function.
1120         (Target::plt_section_for_global): Remove.
1121         (Target::plt_section_for_local): Remove.
1122         (Target::do_plt_address_for_global): New virtual function.
1123         (Target::do_plt_address_for_local): New virtual function.
1124         (Target::do_plt_section_for_global): Remove.
1125         (Target::do_plt_section_for_local): Remove.
1126         (Target::register_global_plt_entry): Add Symbol_table and Layout
1127         parameters.
1128         * output.cc (Output_data_got::Got_entry::write): Use
1129         plt_address_for_global and plt_address_for_local.
1130         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1131         address of output section.
1132         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1133         got_irelative_, and irelative_count_ fields.  Update
1134         declarations.
1135         (Output_data_plt_i386::has_irelative_section): New function.
1136         (Output_data_plt_i386::entry_count): Add irelative_count_.
1137         (Output_data_plt_i386::set_final_data_size): Likewise.
1138         (class Target_i386): Add got_irelative_ and rel_irelative_
1139         fields.  Update declarations.
1140         (Target_i386::Target_i386): Initialize new fields.
1141         (Target_i386::do_plt_address_for_global): New function replacing
1142         do_plt_section_for_global.
1143         (Target_i386::do_plt_address_for_local): New function replacing
1144         do_plt_section_for_local.
1145         (Target_i386::got_section): Create got_irelative_.
1146         (Target_i386::rel_irelative_section): New function.
1147         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1148         fields.  Don't define __rel_iplt_{start,end}.
1149         (Output_data_plt_i386::add_entry): Add symtab and layout
1150         parameters.  Change all callers.  Use different PLT and GOT for
1151         IFUNC symbols.
1152         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1153         layout parameters.  Change all callers.  Use different PLT and
1154         GOT.
1155         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1156         (Output_data_plt_i386::rel_irelative): New function.
1157         (Output_data_plt_i386::address_for_global): New function.
1158         (Output_data_plt_i386::address_for_local): New function.
1159         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1160         IRELATIVE GOT when changing IFUNC GOT entries.
1161         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1162         reloc.
1163         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1164         if we didn't create an IRELATIVE GOT.
1165         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1166         plt_address_for_local.
1167         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1168         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1169         got_irelative_, and irelative_count_ fields.  Update
1170         declarations.
1171         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1172         Initialize new fields.  Remove symtab parameter.  Change all
1173         callers.
1174         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1175         irelative_count_.
1176         (Output_data_plt_x86_64::has_irelative_section): New function.
1177         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1178         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1179         fields.  Update declarations.
1180         (Target_x86_64::Target_x86_64): Initialize new fields.
1181         (Target_x86_64::do_plt_address_for_global): New function replacing
1182         do_plt_section_for_global.
1183         (Target_x86_64::do_plt_address_for_local): New function replacing
1184         do_plt_section_for_local.
1185         (Target_x86_64::got_section): Create got_irelative_.
1186         (Target_x86_64::rela_irelative_section): New function.
1187         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1188         all callers.  Don't create __rel_iplt_{start,end}.
1189         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1190         parameters.  Change all callers.  Use different PLT and GOT for
1191         IFUNC symbols.
1192         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1193         layout parameters.  Change all callers.  Use different PLT and
1194         GOT.
1195         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1196         parameters.  Change all callers.  Use different PLT and GOT for
1197         IFUNC symbols.
1198         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1199         (Output_data_plt_x86_64::rela_irelative): New function.
1200         (Output_data_plt_x86_64::address_for_global): New function.
1201         (Output_data_plt_x86_64::address_for_local): New function.
1202         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1203         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1204         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1205         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1206         parameters.
1207         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1208         reloc.
1209         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1210         symbols if we didn't create an IRELATIVE GOT.
1211         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1212         plt_address_for_local.
1213         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1214         * testsuite/ifuncvar1.c: New test file.
1215         * testsuite/ifuncvar2.c: New test file.
1216         * testsuite/ifuncvar3.c: New test file.
1217         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1218         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1219         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1220         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1221         * testsuite/Makefile.in: Rebuild.
1222
1223 2011-07-07  Cary Coutant  <ccoutant@google.com>
1224
1225         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1226         (two_file_test_1_ndebug.o): Likewise.
1227         (two_file_test_1b_ndebug.o): Likewise.
1228         (two_file_test_2_ndebug.o): Likewise.
1229         (two_file_test_main_ndebug.o): Likewise.
1230         (incremental_test_2): Link with no-debug versions.
1231
1232 2011-07-06  Cary Coutant  <ccoutant@google.com>
1233
1234         * gold/incremental.cc
1235         (Output_section_incremental_inputs::write_info_blocks): Check for
1236         hidden and internal symbols.
1237
1238 2011-07-06  Cary Coutant  <ccoutant@google.com>
1239
1240         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1241         Check disposition for startup file.
1242         (Incremental_inputs::report_command_line): Ignore
1243         --incremental-startup-unchanged option.
1244         * options.cc (General_options::parse_incremental_startup_unchanged):
1245         New function.
1246         (General_options::General_options): Initialize new data member.
1247         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1248         (General_options): Add --incremental-startup-unchanged option.
1249         (General_options::incremental_startup_disposition): New function.
1250         (General_options::incremental_startup_disposition_): New data member.
1251
1252 2011-07-06  Cary Coutant  <ccoutant@google.com>
1253
1254         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1255         input file index to Script_info ctor.
1256         (Sized_incremental_binary::do_file_has_changed): Find the
1257         command-line argument for files named in scripts.
1258         * incremental.h (Script_info::Script_info): New ctor
1259         with input file index.
1260         (Script_info::input_file_index): New function.
1261         (Script_info::input_file_index_): New data member.
1262         (Incremental_binary::get_library): Add const.
1263         (Incremental_binary::get_script_info): Add const.
1264         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1265         * testsuite/Makefile.am (incremental_test_5): New test case.
1266         (incremental_test_6): New test case.
1267         * testsuite/Makefile.in: Regenerate.
1268
1269 2011-07-06  Cary Coutant  <ccoutant@google.com>
1270
1271         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1272         debug output when command lines differ.
1273
1274 2011-07-06  Cary Coutant  <ccoutant@google.com>
1275
1276         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1277         --incremental-patch option.
1278         * layout.cc (Free_list::allocate): Extend allocation beyond original
1279         end if enabled.
1280         (Layout::make_output_section): Mark sections that should get
1281         patch space.
1282         * options.cc (parse_percent): New function.
1283         * options.h (parse_percent): New function.
1284         (DEFINE_percent): New macro.
1285         (General_options): Add --incremental-patch option.
1286         * output.cc (Output_section::Output_section): Initialize new data
1287         members.
1288         (Output_section::add_input_section): Print section name when out
1289         of patch space.
1290         (Output_section::add_output_section_data): Likewise.
1291         (Output_section::set_final_data_size): Add patch space when
1292         doing --incremental-full.
1293         (Output_section::do_reset_address_and_file_offset): Remove patch
1294         space.
1295         (Output_segment::set_section_list_addresses): Print debug output
1296         only if --incremental-update.
1297         * output.h (Output_section::set_is_patch_space_allowed): New function.
1298         (Output_section::is_patch_space_allowed_): New data member.
1299         (Output_section::patch_space_): New data member.
1300         * parameters.cc (Parameters::incremental_full): New function.
1301         * parameters.h (Parameters::incremental_full): New function
1302         * testsuite/Makefile.am (incremental_test_2): Add test for
1303         --incremental-patch option.
1304         * testsuite/Makefile.in: Regenerate.
1305         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1306         (t18): Remove function body.
1307
1308 2011-07-05  Doug Kwan  <dougkwan@google.com>
1309
1310         PR gold/12771
1311         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1312         Arm_Address type for relocation result.
1313         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1314         overflow check.
1315         (Arm_relocate_functions::abs32): Use unaligned access.
1316         (Arm_relocate_functions::rel32): Ditto.
1317         (Arm_relocate_functions::prel31): Ditto.
1318         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1319         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1320         static data relocations.
1321         * testsuite/Makefile.in: Regnerate.
1322         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1323
1324 2011-07-05  Ian Lance Taylor  <iant@google.com>
1325
1326         PR gold/12392
1327         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1328         symbols if necessary.
1329         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1330
1331 2011-07-05  Ian Lance Taylor  <iant@google.com>
1332
1333         PR gold/12952
1334         * resolve.cc (Symbol::override_base_with_special): Simply override
1335         version with special symbol version, ignoring previous version.
1336
1337 2011-07-05  Ian Lance Taylor  <iant@google.com>
1338
1339         * object.cc (Sized_relobj_file::include_section_group): Add
1340         information to comment about signature location.
1341
1342 2011-07-02  Ian Lance Taylor  <iant@google.com>
1343
1344         PR gold/12957
1345         * options.h (class General_options): Add -f and -F.
1346         * options.cc (General_options::finalize): Fatal error if -f/-F
1347         are used without -shared.
1348         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1349
1350 2011-07-02  Ian Lance Taylor  <iant@google.com>
1351
1352         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1353
1354 2011-07-01  Ian Lance Taylor  <iant@google.com>
1355
1356         PR gold/12525
1357         PR gold/12952
1358         * resolve.cc (Symbol::override_base_with_special): Don't override
1359         the version if the overriding symbol has a different name.
1360         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1361         all callers.  If we give an error about an undefined version,
1362         define the base version if necessary.
1363         * dynobj.h (class Versions): Update declaration.
1364         * testsuite/weak_alias_test_5.cc: New file.
1365         * testsuite/weak_alias_test.script: New file.
1366         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1367         and versioned_alias have the right value, and call t2.
1368         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1369         weak_alias_test_5.so.
1370         (weak_alias_test_LDADD): Likewise.
1371         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1372         * testsuite/Makefile.in: Rebuild.
1373
1374 2011-07-01  Ian Lance Taylor  <iant@google.com>
1375
1376         PR gold/12525
1377         * options.h (class General_options): Support -z notext.
1378         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1379         -Wl,-z,notext.
1380         (two_file_shared_nonpic.so): Likewise.
1381         (two_file_shared_mixed.so): Likewise.
1382         (two_file_shared_mixed_1.so): Likewise.
1383         (weak_undef_lib_nonpic.so): Likewise.
1384         (alt/weak_undef_lib_nonpic.so): Likewise.
1385         (tls_test_shared_nonpic.so): Likewise.
1386         * testsuite/Makefile.in: Rebuild.
1387
1388 2011-07-01  Ian Lance Taylor  <iant@google.com>
1389
1390         PR gold/12525
1391         * configure.ac: Test whether static linking works, setting
1392         the automake conditional HAVE_STATIC.
1393         * testsuite/Makefile.am: Disable tests using -static if
1394         HAVE_STATIC is not true.
1395         * configure, testsuite/Makefile.in: Rebuild.
1396
1397 2011-07-01  Ian Lance Taylor  <iant@google.com>
1398
1399         PR gold/12525
1400         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1401         Assert if we see DW_EH_PE_indirect.
1402         * target.h (Target::ehframe_datarel_base): New function.
1403         (Target::do_ehframe_datarel_base): New target function.
1404         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1405         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1406         function.
1407
1408 2011-07-01  Ian Lance Taylor  <iant@google.com>
1409
1410         PR gold/12571
1411         * options.h (class General_options): Add
1412         --ld-generated-unwind-info.
1413         * ehframe.cc (Fde::write): Add address parameter.  Change all
1414         callers.  If associated with PLT, fill in address and size.
1415         (Cie::set_output_offset): Only add merge mapping if there is an
1416         object.
1417         (Cie::write): Add address parameter.  Change all callers.
1418         (Eh_frame::add_ehframe_for_plt): New function.
1419         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1420         input_offset_ fields into union u_, with new plt field.
1421         (Fde::Fde): Adjust for new union field.
1422         (Fde::Fde) [Output_data version]: New constructor.
1423         (Fde::add_mapping): Only add merge mapping if there is an object.
1424         (class Cie): Update declarations.
1425         (class Eh_frame): Declare add_ehframe_for_plt.
1426         * layout.cc (Layout::layout_eh_frame): Break out code into
1427         make_eh_frame_section, and call it.
1428         (Layout::make_eh_frame_section): New function.
1429         (Layout::add_eh_frame_for_plt): New function.
1430         * layout.h (class Layout): Update declarations.
1431         * merge.cc (Merge_map::add_mapping): Add assertion.
1432         * i386.cc: Include "dwarf.h".
1433         (class Output_data_plt_i386): Make first_plt_entry,
1434         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1435         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1436         and plt_eh_frame_fde.
1437         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1438         boundary.  Call add_eh_frame_for_plt if appropriate.
1439         * x86_64.cc: Include "dwarf.h".
1440         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1441         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1442         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1443         and plt_eh_frame_fde.
1444         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1445         appropriate.
1446
1447 2011-06-29  Ian Lance Taylor  <iant@google.com>
1448
1449         PR gold/12629
1450         * object.cc (Sized_relobj_file::layout_section): Change shdr
1451         parameter to be const.
1452         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1453         out of do_layout.
1454         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1455         appropriate.  Call layout_eh_frame_section.
1456         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1457         sections.
1458         * object.h (class Sized_relobj_file): Update declarations.
1459
1460 2011-06-29  Ian Lance Taylor  <iant@google.com>
1461
1462         PR gold/12652
1463         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1464         modifier.
1465         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1466
1467 2011-06-29  Ian Lance Taylor  <iant@google.com>
1468
1469         PR gold/12675
1470         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1471         SHT_X86_64_UNWIND.
1472         * layout.cc (Layout::layout_eh_frame): Likewise.
1473
1474 2011-06-29  Ian Lance Taylor  <iant@google.com>
1475
1476         PR gold/12695
1477         * layout.cc (Layout::symtab_section_shndx): New function.
1478         * layout.h (class Layout): Declare symtab_section_shndx.
1479         * output.cc (Output_section::write_header): Call it.
1480
1481 2011-06-29  Ian Lance Taylor  <iant@google.com>
1482
1483         PR gold/12818
1484         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1485         symbols which are not used in a relocation.
1486
1487 2011-06-28  Ian Lance Taylor  <iant@google.com>
1488
1489         PR gold/12898
1490         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1491         script create indistinguishable segments.
1492         (Layout::set_segment_offsets): Use stable_sort when sorting
1493         segments.  Pass this to Compare_segments constructor.
1494         * layout.h (class Layout): Make segment_precedes non-static.
1495         (class Compare_segments): Change from struct to class.  Add
1496         layout_ field.  Add constructor.
1497         * script-sections.cc
1498         (Script_sections::attach_sections_using_phdrs_clause): Rename
1499         local orphan to is_orphan.  Don't report failure to put empty
1500         section in segment.  On attachment failure, report name of
1501         section, and attach to first PT_LOAD segment.
1502
1503 2011-06-28  Ian Lance Taylor  <iant@google.com>
1504
1505         PR gold/12934
1506         * target-select.cc (Target_selector::Target_selector): Add
1507         emulation parameter.  Change all callers.
1508         (select_target_by_bfd_name): Rename from select_target_by_name.
1509         Change all callers.
1510         (select_target_by_emulation): New function.
1511         (supported_emulation_names): New function.
1512         * target-select.h (class Target_selector): Add emulation_ field.
1513         Update declarations.
1514         (Target_selector::recognize_by_bfd_name): Rename from
1515         recognize_by_name.  Change all callers.
1516         (Target_selector::supported_bfd_names): Rename from
1517         supported_names.  Change all callers.
1518         (Target_selector::recognize_by_emulation): New function.
1519         (Target_selector::supported_emulations): New function.
1520         (Target_selector::emulation): New function.
1521         (Target_selector::do_recognize_by_bfd_name): Rename from
1522         do_recognize_by_name.  Change all callers.
1523         (Target_selector::do_supported_bfd_names): Rename from
1524         do_supported_names.  Change all callers.
1525         (Target_selector::do_recognize_by_emulation): New function.
1526         (Target_selector::do_supported_emulations): New function.
1527         (select_target_by_bfd_name): Change name in declaration.
1528         (select_target_by_emulation): Declare.
1529         (supported_emulation_names): Declare.
1530         * parameters.cc (parameters_force_valid_target): Try to find
1531         target based on emulation from -m option.
1532         * options.h (class General_options): Change doc string for -m.
1533         * options.cc (help): Print emulations.
1534         (General_options::parse_V): Likewise.
1535         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1536         Add emulation parameter.  Change all callers.
1537
1538 2011-06-28  Ian Lance Taylor  <iant@google.com>
1539
1540         * target.h (class Target): Add osabi_ field.
1541         (Target::osabi): New function.
1542         (Target::set_osabi): New function.
1543         (Target::Target): Initialize osabi_.
1544         (Target::do_adjust_elf_header): Make pure virtual.
1545         (Sized_target::do_adjust_elf_header): Declare.
1546         * target.cc (Sized_target::do_adjust_elf_header): New function.
1547         (class Sized_target): Instantiate all versions.
1548         * freebsd.h (class Target_freebsd): Remove.
1549         (Target_selector_freebsd::do_recognize): Call set_osabi on
1550         Target.
1551         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1552         (Target_selector_freebsd::set_osabi): Remove.
1553         * i386.cc (class Target_i386): Inherit from Sized_target rather
1554         than Target_freebsd.
1555         * x86_64.cc (class Target_x86_64): Likewise.
1556
1557 2011-06-28  Ian Lance Taylor  <iant@google.com>
1558
1559         * target.h (Target::can_check_for_function_pointers): Rewrite.
1560         Make non-virtual.
1561         (Target::can_icf_inline_merge_sections): Likewise.
1562         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1563         (Target::Target_info): Add can_icf_inline_merge_sections field.
1564         (Target::do_can_check_for_function_pointers): New virtual
1565         function.
1566         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1567         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1568         from can_check_for_function_pointers, move in file.
1569         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1570         section_may_have_icf_unsafe_poineters, move in file.
1571         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1572         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1573         Rename from can_check_for_function_pointers, move in file.
1574         (Target_i386::can_icf_inline_merge_sections): Remove.
1575         (Target_i386::i386_info): Initialize
1576         can_icf_inline_merge_sections.
1577         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1578         Initialize can_icf_inline_merge_sections.
1579         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1580         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1581         Rename from can_check_for_function_pointers, move in file.
1582         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1583         (Target_x86_64::x86_64_info): Initialize
1584         can_icf_inline_merge_sections.
1585         * testsuite/testfile.cc (Target_test::test_target_info):
1586         Likewise.
1587         * icf.cc (get_section_contents): Correct formatting.
1588
1589 2011-06-27  Ian Lance Taylor  <iant@google.com>
1590
1591         * symtab.cc (Symbol::versioned_name): New function.
1592         (Symbol_table::add_to_final_symtab): Use versioned_name when
1593         appropriate.
1594         (Symbol_table::sized_write_symbol): Likewise.
1595         * symtab.h (class Symbol): Declare versioned_name.
1596         * stringpool.h (class Stringpool_template): Add variant of add
1597         which takes a std::basic_string.
1598         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1599         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1600         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1601         (ver_test_12.o): New target.
1602         * testsuite/Makefile.in: Rebuild.
1603
1604 2011-06-27  Doug Kwan  <dougkwan@google.com>
1605
1606         * arm.cc (Arm_relocate_functions::thm_jump8,
1607         Arm_relocate_functions::thm_jump11): Use a wider signed
1608         type to compute offset.
1609         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1610         arm_thm_jump8.
1611         * testsuite/Makefile.in: Regenerate.
1612         * testsuite/arm_branch_in_range.sh: Check test results of
1613         arm_thm_jump11 and arm_thm_jump8.
1614         * testsuite/arm_thm_jump11.s: New test source file.
1615         * testsuite/arm_thm_jump11.t: New linker script.
1616         * testsuite/arm_thm_jump8.s: New test source file.
1617         * testsuite/arm_thm_jump8.t: New linker script.
1618
1619 2011-06-24  Ian Lance Taylor  <iant@google.com>
1620
1621         * layout.cc: Include "object.h".
1622         (ctors_sections_in_init_array): New static variable.
1623         (Layout::is_ctors_in_init_array): New function.
1624         (Layout::layout): Add entry to ctors_sections_in_init_array if
1625         appropriate.
1626         * layout.h (class Layout): Declare is_ctors_in_init_array.
1627         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1628         is_ctors_reverse_view is set.
1629         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1630         all callers.  Set is_ctors_reverse_view field of View_size.
1631         (Sized_relobj_file::reverse_words): New function.
1632         * object.h (Sized_relobj_file::View_size): Add
1633         is_ctors_reverse_view field.
1634         (class Sized_relobj_file): Update declarations.
1635         * testsuite/initpri3.c: New test.
1636         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1637         initpri3b.
1638         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1639         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1640         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1641         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1642         * testsuite/Makefile.in: Rebuild.
1643
1644 2011-06-24  Cary Coutant  <ccoutant@google.com>
1645
1646         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1647         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1648         (debug_msg_cdebug.err): New targets.
1649         * testsuite/Makefile.in: Regenerate.
1650         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1651         Fix checks for link with shared library.
1652
1653 2011-06-24  Doug Kwan  <dougkwan@google.com>
1654
1655         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1656         skip empty text sections.
1657         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1658
1659 2011-06-22  Ian Lance Taylor  <iant@google.com>
1660
1661         PR gold/12910
1662         * options.h (class General_options): Add --ctors-in-init-array.
1663         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1664         friends as SHT_PROGBITS for merging sections.
1665         (Layout::layout): Remove special handling of .init_array and
1666         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1667         and .dtors if ctors_in_init_array.
1668         (Layout::make_output_section): Force correct section types for
1669         .init_array and friends.  Don't sort if doing relocatable link,
1670         Don't sort .ctors and .dtors if ctors_in_init_array.
1671         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1672         (Layout::output_section_name): Add relobj parameter.  Change all
1673         callers.  Handle .ctors. and .dtors. in code rather than table.
1674         Handle .ctors and .dtors if ctors_in_init_array.
1675         (Layout::match_file_name): New function, moved from output.cc.
1676         * layout.h (class Layout): Update declarations.
1677         * output.cc: Include "layout.h".
1678         (Input_section_sort_entry::get_priority): New function.
1679         (Input_section_sort_entry::match_file_name): Just call
1680         Layout::match_file_name.
1681         (Output_section::Input_section_sort_init_fini_compare::operator()):
1682         Handle .ctors and .dtors.  Sort by explicit priority rather than
1683         by name.
1684         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1685         * testsuite/initpri2.c: New test.
1686         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1687         (check_PROGRAMS): Add initpri2.
1688         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1689         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1690         * configure, testsuite/Makefile.in: Rebuild.
1691
1692 2011-06-19  Ian Lance Taylor  <iant@google.com>
1693
1694         PR gold/12880
1695         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1696         .interp section to a PT_INTERP segment even if we have seen a
1697         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1698         clause in a linker script.
1699         (Layout::finalize): Don't create a .interp section if we've
1700         already create a PT_INTERP segment.
1701         (Layout::create_interp): Always call choose_output_section (revert
1702         patch of 2011-06-17).  Don't create PT_INTERP segment.
1703         * script-sections.cc
1704         (Script_sections::create_note_and_tls_segments): Add a .interp
1705         section to a PT_INTERP segment even if we have seen a
1706         --dynamic-linker option.
1707
1708 2011-06-18  Ian Lance Taylor  <iant@google.com>
1709
1710         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1711         merely because a non-PT_LOAD segment has a dynamic reloc.
1712
1713 2011-06-18  Ian Lance Taylor  <iant@google.com>
1714
1715         * layout.cc (Layout::finish_dynamic_section): Don't create
1716         DT_FLAGS entry if not needed.
1717
1718 2011-06-18  Ian Lance Taylor  <iant@google.com>
1719
1720         PR gold/12745
1721         * layout.cc (Layout::layout_eh_frame): Correct handling of
1722         writable .eh_frame section.
1723
1724 2011-06-17  Ian Lance Taylor  <iant@google.com>
1725
1726         PR gold/12893
1727         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1728         symbol is redefined with the exact same object and value.
1729
1730 2011-06-17  Ian Lance Taylor  <iant@google.com>
1731
1732         PR gold/12880
1733         * layout.h (class Layout): Add interp_segment_ field.
1734         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1735         (Layout::attach_allocated_section_to_segment): If making shared
1736         library, put .interp section in PT_INTERP segment.
1737         (Layout::finalize): Also call create_interp if -dynamic-linker
1738         option was used.
1739         (Layout::create_interp): Assert that there is no PT_INTERP
1740         segment.  If not using a SECTIONS clause, use make_output_section.
1741         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1742         * script-sections.cc
1743         (Script_sections::create_note_and_tls_segments): If making shared
1744         library, put .interp section in PT_INTERP segment.
1745
1746 2011-06-17  Ian Lance Taylor  <iant@google.com>
1747
1748         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1749         when making a shared library.
1750
1751 2011-06-17  Ian Lance Taylor  <iant@google.com>
1752
1753         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1754         parameter.  Change all callers.  Don't issue warning about PC32
1755         against locally defined symbol.
1756
1757 2011-06-16  Ian Lance Taylor  <iant@google.com>
1758
1759         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1760         occurs in same object.
1761
1762 2011-06-14  Alan Modra  <amodra@gmail.com>
1763
1764         * po/POTFILES.in: Regenerate.
1765
1766 2011-06-09  Ian Lance Taylor  <iant@google.com>
1767
1768         * script-sections.cc
1769         (Orphan_output_section::set_section_addresses): For a relocatable
1770         link set address to 0.
1771
1772 2011-06-09  Cary Coutant  <ccoutant@google.com>
1773
1774         PR gold/12804
1775         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1776         used with --compress-debug-sections.
1777         * gold/object.cc (Sized_relobj_file::do_layout): Report
1778         uncompressed size of compressed input sections.
1779
1780 2011-06-08  Cary Coutant  <ccoutant@google.com>
1781
1782         PR gold/12804
1783         * testsuite/two_file_test_2_v1.cc: Change initialization of
1784         v2 to keep it in .data.
1785
1786 2011-06-07  Cary Coutant  <ccoutant@google.com>
1787
1788         * common.cc (Symbol_table::do_allocate_commons_list): Call
1789         gold_fallback.
1790         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1791         (Errors::fallback): New function.
1792         (gold_fallback): New function.
1793         * errors.h (Errors::fallback): New function.
1794         * gold.cc (gold_exit): Change status parameter to enum; adjust
1795         all callers.
1796         (queue_initial_tasks): Call gold_fallback.
1797         * gold.h: Include cstdlib.
1798         (Exit_status): New enum type.
1799         (gold_exit): Change status parameter to enum.
1800         (gold_fallback): New function.
1801         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1802         (Layout::create_symtab_sections): Likewise.
1803         (Layout::create_shdrs): Likewise.
1804         * main.cc (main): Adjust call to gold_exit.
1805         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1806         (Output_data_got::add_got_entry_pair): Likewise.
1807         (Output_section::add_input_section): Likewise.
1808         (Output_section::add_output_section_data): Likewise.
1809         (Output_segment::set_section_list_addresses): Likewise.
1810         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1811
1812 2011-06-07  Cary Coutant  <ccoutant@google.com>
1813
1814         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1815         for incremental links.
1816         * output.cc (Output_segment::set_section_list_addresses): Remove
1817         FIXME and test for TLS or BSS.
1818
1819 2011-06-07  Cary Coutant  <ccoutant@google.com>
1820
1821         * testsuite/Makefile.am: Add incremental_copy_test,
1822         incremental_common_test_1.
1823         * testsuite/Makefile.in: Regenerate.
1824         * testsuite/common_test_1_v1.c: New source file.
1825         * testsuite/common_test_1_v2.c: New source file.
1826         * testsuite/copy_test_v1.cc: New source file.
1827
1828 2011-06-07  Cary Coutant  <ccoutant@google.com>
1829
1830         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1831         update, allocate common from bss section's free list.
1832         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1833         linker-defined symbols.
1834         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1835         Skip GOT and PLT entries that are no longer referenced.
1836         (Output_section_incremental_inputs::write_info_blocks): Mark
1837         linker-defined symbols.
1838         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1839         * output.cc (Output_section::allocate): New function.
1840         * output.h (Output_section::allocate): New function.
1841         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1842         linker-defined symbols.
1843         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1844         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1845         (Symbol::init_base_output_data): Likewise.
1846         (Symbol::init_base_output_segment): Likewise.
1847         (Symbol::init_base_constant): Likewise.
1848         (Sized_symbol::init_output_data): Likewise.
1849         (Sized_symbol::init_output_segment): Likewise.
1850         (Sized_symbol::init_constant): Likewise.
1851         (Symbol_table::do_define_in_output_data): Likewise.
1852         (Symbol_table::do_define_in_output_segment): Likewise.
1853         (Symbol_table::do_define_as_constant): Likewise.
1854         * symtab.h (Symbol::is_predefined): New function.
1855         (Symbol::init_base_output_data): Add is_predefined parameter.
1856         (Symbol::init_base_output_segment): Likewise.
1857         (Symbol::init_base_constant): Likewise.
1858         (Symbol::is_predefined_): New data member.
1859         (Sized_symbol::init_output_data): Add is_predefined parameter.
1860         (Sized_symbol::init_output_segment): Likewise.
1861         (Sized_symbol::init_constant): Likewise.
1862         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1863
1864 2011-06-07  Cary Coutant  <ccoutant@google.com>
1865
1866         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1867         instead of emit_copy_reloc.
1868         (Copy_relocs::emit_copy_reloc): Refactor.
1869         (Copy_relocs::make_copy_reloc): New function.
1870         (Copy_relocs::add_copy_reloc): Remove.
1871         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1872         section.
1873         (Copy_relocs::make_copy_reloc): New function.
1874         (Copy_relocs::add_copy_reloc): Remove.
1875         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1876         unchanged input files.
1877         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1878         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1879         Reserve BSS space for COPY relocations.
1880         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1881         (Output_section_incremental_inputs::write_info_blocks): Record
1882         whether a symbol is copied from a shared object.
1883         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1884         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1885         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1886         (Incremental_input_entry_reader::get_output_symbol_index): Add
1887         is_copy parameter.
1888         (Incremental_binary::emit_copy_relocs): New function.
1889         (Incremental_binary::do_emit_copy_relocs): New function.
1890         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1891         new data member.
1892         (Sized_incremental_binary::add_copy_reloc): New function.
1893         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1894         (Sized_incremental_binary::Copy_reloc): New struct.
1895         (Sized_incremental_binary::Copy_relocs): New typedef.
1896         (Sized_incremental_binary::copy_relocs_): New data member.
1897         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1898         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1899         * target.h (Sized_target::emit_copy_reloc): New function.
1900         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1901
1902 2011-06-02  Cary Coutant  <ccoutant@google.com>
1903
1904         PR gold/12163
1905         * gold/archive.cc (Archive::Archive): Initialize new data member.
1906         (Archive::include_all_members): Return if archive has already been
1907         included.
1908         * gold/archive.h (Archive::include_all_members_): New data member.
1909
1910 2011-06-02  Nick Clifton  <nickc@redhat.com>
1911
1912         * dynobj.h: Fix spelling mistake in comment.
1913         * output.cc: Likewise.
1914
1915 2011-05-31  Doug Kwan  <dougkwan@google.com>
1916             Asier Llano
1917
1918         PR gold/12826
1919         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1920         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1921         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1922         redundant arm_exidx_test.so.
1923         * testsuite/Makefile.in: Regenerate.
1924         (check_SCRIPTS): Add pr12826.sh
1925         (check_DATA): Add pr12826.stdout
1926         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1927         * testsuite/pr12826.sh: New file.
1928         * testsuite/pr12826_1.s: Ditto.
1929         * testsuite/pr12826_1.s: Ditto.
1930
1931 2011-05-30  Ian Lance Taylor  <iant@google.com>
1932
1933         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1934         sections.
1935
1936 2011-05-29  Ian Lance Taylor  <iant@google.com>
1937
1938         PR gold/12804
1939         * testsuite/Makefile.am: Use different file name for two_file_test
1940         temporary file for each incremental test.
1941         * testsuite/Makefile.in: Rebuild.
1942
1943 2011-05-29  Ian Lance Taylor  <iant@google.com>
1944
1945         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1946         binary input file is empty.
1947
1948 2011-05-27  Ian Lance Taylor  <iant@google.com>
1949
1950         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1951         (ver_test_9.so): Likewise.
1952         * testsuite/Makefile.in: Rebuild.
1953
1954 2011-05-26 Cary Coutant  <ccoutant@google.com>
1955
1956         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1957         * incremental.cc (Incremental_inputs::report_input_section): Fix
1958         comment, indentation.
1959         (Incremental_inputs::report_comdat_group): New function.
1960         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1961         of data for incremental input file entry.
1962         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1963         group count, COMDAT group signatures.
1964         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1965         an unchanged input file.
1966         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1967         Initialize new data member.
1968         (Incremental_object_entry::add_comdat_group): New function.
1969         (Incremental_object_entry::get_comdat_group_count): New function.
1970         (Incremental_object_entry::get_comdat_signature_key): New function.
1971         (Incremental_object_entry::groups_): New data member.
1972         (Incremental_inputs::report_comdat_group): New function.
1973         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1974         data for incremental input file entry.
1975         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1976         (Incremental_input_entry_reader::get_input_section): Adjust size of
1977         data for incremental input file entry.
1978         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1979         (Incremental_input_entry_reader::get_comdat_group_signature): New
1980         function.
1981         * object.cc (Sized_relobj::include_section_group): Report kept
1982         COMDAT groups for incremental links.
1983
1984 2011-05-24  David Meyer  <pdox@google.com>
1985
1986         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1987         with name parameter.  Add found_name parameter.
1988         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1989         * dirsearch.h (class Dirsearch): Update declaration.
1990
1991 2011-05-24  Ian Lance Taylor  <iant@google.com>
1992
1993         * archive.cc (Library_base::should_include_member): Pull in object
1994         from archive if it defines the entry symbol.
1995         * parameters.cc (Parameters::entry): New function.
1996         * parameters.h (class Parameters): Declare entry.
1997         * output.h (class Output_file_header): Remove entry_ field.
1998         * output.cc (Output_file_header::Output_file_header): Remove entry
1999         parameter.  Change all callers.
2000         (Output_file_header::entry): Use parameters->entry.
2001         * gold.cc (queue_middle_tasks): Likewise.
2002         * plugin.cc (Plugin_hook::run): Likewise.
2003
2004 2011-05-24 Cary Coutant  <ccoutant@google.com>
2005
2006         * gold.cc (queue_initial_tasks): Pass incremental base filename
2007         to Output_file::open_base_file; don't print error message.
2008         * incremental-dump.cc (main): Adjust call to
2009         Output_file::open_for_modification.
2010         * incremental-dump.cc (main): Likewise.
2011         * incremental.cc (Incremental_inputs::report_command_line):
2012         Ignore --incremental-base option when comparing command lines.
2013         Ignore parameter when given as separate argument.
2014         * options.h (class General_options): Add --incremental-base.
2015         * output.cc (Output_file::Output_file):
2016         (Output_file::open_base_file): Add base_name and writable parameters;
2017         read base file into new file; print error message here.
2018         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2019         callers.
2020         * output.h (Output_file::open_for_modification): Rename to...
2021         (Output_file::open_base_file): ...this; add base_name and
2022         writable parameters; adjust all callers.
2023         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2024         callers.
2025         * testsuite/Makefile.am (incremental_test_4): Test
2026         --incremental-base.
2027         * testsuite/Makefile.in: Regenerate.
2028
2029 2011-05-24 Cary Coutant  <ccoutant@google.com>
2030
2031         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2032         incremental_test_4.
2033         * testsuite/Makefile.in: Regenerate.
2034         * testsuite/two_file_test_1_v1.cc: New test source file.
2035         * testsuite/two_file_test_1b_v1.cc: New test source file.
2036         * testsuite/two_file_test_2_v1.cc: New test source file.
2037
2038 2011-05-24 Cary Coutant  <ccoutant@google.com>
2039
2040         * dynobj.h (Dynobj::do_dynobj): New function.
2041         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2042         flag and soname for shared objects.
2043         * incremental.cc (Incremental_inputs::report_object): Make
2044         either Incremental_object_entry or Incremental_dynobj_entry; add
2045         soname to string table.
2046         (Incremental_inputs::report_input_section): Add assertion.
2047         (Output_section_incremental_inputs::set_final_data_size): Adjust
2048         type of input file entry for shared libraries; adjust size of
2049         shared library info entry.
2050         (Output_section_incremental_inputs::write_input_files): Write
2051         as_needed flag for shared libraries.
2052         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2053         of input file entry for shared libraries; write soname.
2054         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2055         soname from incremental info.
2056         * incremental.h (enum Incremental_input_flags): Add
2057         INCREMENTAL_INPUT_AS_NEEDED.
2058         (Incremental_input_entry::Incremental_input_entry): Initialize new
2059         data member.
2060         (Incremental_input_entry::set_as_needed): New function.
2061         (Incremental_input_entry::as_needed): New function.
2062         (Incremental_input_entry::do_dynobj_entry): New function.
2063         (Incremental_input_entry::as_needed_): New data member.
2064         (Incremental_object_entry::Incremental_object_entry): Don't check
2065         for shared library.
2066         (Incremental_object_entry::do_type): Likewise.
2067         (class Incremental_dynobj_entry): New class.
2068         (Incremental_input_entry_reader::as_needed): New function.
2069         (Incremental_input_entry_reader::get_soname): New function.
2070         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2071         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2072         size of shared library info entry.
2073         * layout.cc (Layout::finish_dynamic_section): Don't test for
2074         incremental link when adding DT_NEEDED entries.
2075         * object.h (Object::Object): Initialize new data member.
2076         (Object::dynobj): New function.
2077         (Object::set_as_needed): New function.
2078         (Object::as_needed): New function.
2079         (Object::do_dynobj): New function.
2080         (Object::as_needed_): New data member.
2081
2082 2011-05-24 Cary Coutant  <ccoutant@google.com>
2083
2084         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2085         info; adjust display of GOT entries.
2086         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2087         vector of input objects; remove file_status_.
2088         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2089         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2090         got_plt reader; call target hooks to reserve GOT entries.
2091         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2092         of input file info header and GOT info entry.
2093         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2094         relocation info.
2095         (Got_plt_view_info::got_descriptor): Remove.
2096         (Got_plt_view_info::sym_index): New data member.
2097         (Got_plt_view_info::input_index): New data member.
2098         (Local_got_offset_visitor::visit): Write input file index.
2099         (Global_got_offset_visitor::visit): Write 0 for input file index.
2100         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2101         with sym_index and input_index.
2102         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2103         incremental info GOT entry; replace got_descriptor with input_index.
2104         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2105         map from input file index to object.
2106         (Sized_relobj_incr::do_layout): Replace direct data member reference
2107         with accessor function.
2108         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2109         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2110         Adjust size of input file info header.
2111         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2112         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2113         (Incremental_input_entry_reader::get_input_section): Adjust size of
2114         input file info header.
2115         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2116         of incremental info GOT entry.
2117         (Incremental_got_plt_reader::get_got_desc): Remove.
2118         (Incremental_got_plt_reader::get_got_symndx): New function.
2119         (Incremental_got_plt_reader::get_got_input_index): New function.
2120         (Sized_incremental_binary::Sized_incremental_binary): Remove
2121         file_status_; add input_objects_.
2122         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2123         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2124         (Sized_incremental_binary::file_is_unchanged): Remove.
2125         (Sized_incremental_binary::set_input_object): New function.
2126         (Sized_incremental_binary::input_object): New function.
2127         (Sized_incremental_binary::file_status_): Remove.
2128         (Sized_incremental_binary::input_objects_): New data member.
2129         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2130         references.
2131         (Sized_relobj_incr::invalid_address): Move to base class.
2132         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2133         class.
2134         (Sized_relobj_incr::do_output_section_offset): Likewise.
2135         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2136         (Sized_relobj_incr::section_offsets_): Likewise.
2137         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2138         function.
2139         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2140         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2141         with accessor function.
2142         (Sized_relobj_file::do_layout): Likewise.
2143         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2144         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2145         (Sized_relobj_file::compute_final_local_value): Replace refs to
2146         section_offsets_ with accessor function.
2147         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2148         * object.h (Relobj::Relobj): Initialize new data members.
2149         (Relobj::add_dyn_reloc): New function.
2150         (Relobj::first_dyn_reloc): New function.
2151         (Relobj::dyn_reloc_count): New function.
2152         (Relobj::first_dyn_reloc_): New data member.
2153         (Relobj::dyn_reloc_count_): New data member.
2154         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2155         references.
2156         (Sized_relobj::Address): New typedef.
2157         (Sized_relobj::invalid_address): Move here from child class.
2158         (Sized_relobj::Sized_relobj): Initialize new data members.
2159         (Sized_relobj::sized_relobj): New function.
2160         (Sized_relobj::is_output_section_offset_invalid): Move here from
2161         child class.
2162         (Sized_relobj::get_output_section_offset): Likewise.
2163         (Sized_relobj::local_has_got_offset): Likewise.
2164         (Sized_relobj::local_got_offset): Likewise.
2165         (Sized_relobj::set_local_got_offset): Likewise.
2166         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2167         (Sized_relobj::clear_got_offsets): New function.
2168         (Sized_relobj::section_offsets): Move here from child class.
2169         (Sized_relobj::do_output_section_offset): Likewise.
2170         (Sized_relobj::do_set_section_offset): Likewise.
2171         (Sized_relobj::Local_got_offsets): Likewise.
2172         (Sized_relobj::local_got_offsets_): Likewise.
2173         (Sized_relobj::section_offsets_): Likewise.
2174         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2175         references.
2176         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2177         class.
2178         (Sized_relobj_file::sized_relobj): New function
2179         (Sized_relobj_file::local_has_got_offset): Move to base class.
2180         (Sized_relobj_file::local_got_offset): Likewise.
2181         (Sized_relobj_file::set_local_got_offset): Likewise.
2182         (Sized_relobj_file::get_output_section_offset): Likewise.
2183         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2184         (Sized_relobj_file::do_output_section_offset): Likewise.
2185         (Sized_relobj_file::do_set_section_offset): Likewise.
2186         (Sized_relobj_file::Local_got_offsets): Likewise.
2187         (Sized_relobj_file::local_got_offsets_): Likewise.
2188         (Sized_relobj_file::section_offsets_): Likewise.
2189         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2190         (all constructors).
2191         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2192         (Output_reloc::get_symbol_index): Likewise.
2193         (Output_reloc::local_section_offset): Likewise.
2194         (Output_reloc::get_address): Likewise.
2195         (Output_reloc::symbol_value): Likewise.
2196         (Output_data_got::reserve_slot): Move to class definition.
2197         (Output_data_got::reserve_local): New function.
2198         (Output_data_got::reserve_slot_for_global): Remove.
2199         (Output_data_got::reserve_global): New function.
2200         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2201         (all constructors, two instantiations).
2202         (Output_reloc::get_relobj): New function (two instantiations).
2203         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2204         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2205         (Output_data_reloc::add_global): Adjust type of relobj.
2206         (Output_data_reloc::add_global_relative): Likewise.
2207         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2208         (Output_data_reloc::add_local): Likewise.
2209         (Output_data_reloc::add_local_relative): Likewise.
2210         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2211         (Output_data_reloc::add_local_section): Likewise.
2212         (Output_data_reloc::add_output_section): Likewise.
2213         (Output_data_reloc::add_absolute): Likewise.
2214         (Output_data_reloc::add_target_specific): Likewise.
2215         (Output_data_got::reserve_slot): Move definition here.
2216         (Output_data_got::reserve_local): New function.
2217         (Output_data_got::reserve_global): New function.
2218         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2219         section_offsets_ with accessor function.
2220         (Sized_relobj_file::write_sections): Likewise.
2221         (Sized_relobj_file::do_relocate_sections): Likewise.
2222         * target.h (Sized_target::reserve_local_got_entry): New function.
2223         (Sized_target::reserve_global_got_entry): New function.
2224         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2225         (Target_x86_64::reserve_global_got_entry): New function.
2226         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2227
2228 2011-05-23 Cary Coutant  <ccoutant@google.com>
2229
2230         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2231         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2232         bit when checking got_type.
2233         * incremental.cc (Sized_incremental_binary::setup_readers):
2234         Store symbol table and string table locations; initialize bit vector
2235         of file status flags.
2236         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2237         unchanged files.
2238         (Sized_incremental_binary::do_process_got_plt): New function.
2239         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2240         (Output_section_incremental_inputs::set_final_data_size): Record
2241         file index for each input file.
2242         (Output_section_incremental_inputs::write_got_plt): Store file index
2243         instead of input entry offset for each GOT entry.
2244         * incremental.h
2245         (Incremental_input_entry::Incremental_input_entry): Initialize new
2246         data member.
2247         (Incremental_input_entry::set_offset): Store file index.
2248         (Incremental_input_entry::get_file_index): New function.
2249         (Incremental_input_entry::file_index_): New data member.
2250         (Incremental_binary::process_got_plt): New function.
2251         (Incremental_binary::do_process_got_plt): New function.
2252         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2253         data members.
2254         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2255         (Sized_incremental_binary::set_file_is_unchanged): New function.
2256         (Sized_incremental_binary::file_is_unchanged): New function.
2257         (Sized_incremental_binary::do_process_got_plt): New function.
2258         (Sized_incremental_binary::file_status_): New data member.
2259         (Sized_incremental_binary::main_symtab_loc_): New data member.
2260         (Sized_incremental_binary::main_strtab_loc_): New data member.
2261         * output.cc (Output_data_got::Got_entry::write): Add case
2262         RESERVED_CODE.
2263         (Output_data_got::add_global): Call add_got_entry.
2264         (Output_data_got::add_global_plt): Likewise.
2265         (Output_data_got::add_global_with_rel): Likewise.
2266         (Output_data_got::add_global_with_rela): Likewise.
2267         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2268         (Output_data_got::add_global_pair_with_rela): Likewise.
2269         (Output_data_got::add_local): Call add_got_entry.
2270         (Output_data_got::add_local_plt): Likewise.
2271         (Output_data_got::add_local_with_rel): Likewise.
2272         (Output_data_got::add_local_with_rela): Likewise.
2273         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2274         (Output_data_got::add_local_pair_with_rela): Likewise.
2275         (Output_data_got::reserve_slot): New function.
2276         (Output_data_got::reserve_slot_for_global): New function.
2277         (Output_data_got::add_got_entry): New function.
2278         (Output_data_got::add_got_entry_pair): New function.
2279         (Output_section::add_output_section_data): Edit FIXME.
2280         * output.h
2281         (Output_section_data_build::Output_section_data_build): New
2282         constructor with size parameter.
2283         (Output_data_space::Output_data_space): Likewise.
2284         (Output_data_got::Output_data_got): Initialize new data member; new
2285         constructor with size parameter.
2286         (Output_data_got::add_constant): Call add_got_entry.
2287         (Output_data_got::reserve_slot): New function.
2288         (Output_data_got::reserve_slot_for_global): New function.
2289         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2290         (Output_data_got::add_got_entry): New function.
2291         (Output_data_got::add_got_entry_pair): New function.
2292         (Output_data_got::free_list_): New data member.
2293         * target.h (Sized_target::init_got_plt_for_update): New function.
2294         (Sized_target::register_global_plt_entry): New function.
2295         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2296         Initialize new data member; call init; add constructor with PLT count.
2297         (Output_data_plt_x86_64::init): New function.
2298         (Output_data_plt_x86_64::add_relocation): New function.
2299         (Output_data_plt_x86_64::reserve_slot): New function.
2300         (Output_data_plt_x86_64::free_list_): New data member.
2301         (Target_x86_64::init_got_plt_for_update): New function.
2302         (Target_x86_64::register_global_plt_entry): New function.
2303         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2304         incremental updates.
2305         (Output_data_plt_x86_64::add_relocation): New function.
2306         * testsuite/object_unittest.cc (Object_test): Set default options.
2307
2308 2011-05-16  Ian Lance Taylor  <iant@google.com>
2309
2310         * options.h (class General_options): Make -i a synonym for -r.
2311
2312 2011-05-16  Ian Lance Taylor  <iant@google.com>
2313
2314         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2315
2316 2011-05-10 Cary Coutant  <ccoutant@google.com>
2317
2318         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2319         strip_all (-s).
2320
2321 2011-05-06  Ian Lance Taylor  <iant@google.com>
2322
2323         * layout.cc (Layout::layout): If the output section flags change,
2324         update the ordering.
2325
2326 2011-04-25 Cary Coutant  <ccoutant@google.com>
2327
2328         * incremental-dump.cc (dump_incremental_inputs): Print local
2329         symbol info for each input file.
2330         * incremental.cc
2331         (Output_section_incremental_inputs::set_final_data_size): Add local
2332         symbol info to input file entries in incremental info.
2333         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2334         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2335         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2336         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2337         implementation.
2338         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2339         (Sized_incr_relobj::do_relocate): Write the local symbols.
2340         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2341         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2342         Adjust size of input file header.
2343         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2344         (Incremental_inputs_reader::get_local_symbol_count): New function.
2345         (Incremental_inputs_reader::get_input_section): Adjust size of input
2346         file header.
2347         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2348         (Sized_incr_relobj::This): New typedef.
2349         (Sized_incr_relobj::sym_size): New const data member.
2350         (Sized_incr_relobj::Local_symbol): New struct.
2351         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2352         (Sized_incr_relobj::do_local_symbol_offset): New function.
2353         (Sized_incr_relobj::local_symbol_count_): New data member.
2354         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2355         (Sized_incr_relobj::local_symbol_index_): New data member.
2356         (Sized_incr_relobj::local_symbol_offset_): New data member.
2357         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2358         (Sized_incr_relobj::local_symbols_): New data member.
2359         * object.h (Relobj::output_local_symbol_count): New function.
2360         (Relobj::local_symbol_offset): New function.
2361         (Relobj::do_output_local_symbol_count): New function.
2362         (Relobj::do_local_symbol_offset): New function.
2363         (Sized_relobj::do_output_local_symbol_count): New function.
2364         (Sized_relobj::do_local_symbol_offset): New function.
2365
2366 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2367
2368         * descriptors.cc (set_close_on_exec): New function.
2369         (Descriptors::open): Use set_close_on_exec.
2370         * output.cc (S_ISLNK): Define if not defined.
2371
2372 2011-04-22 Cary Coutant  <ccoutant@google.com>
2373
2374         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2375         global symbol map.
2376         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2377         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2378         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2379         relocations.
2380         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2381         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2382         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2383         * incremental.h
2384         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2385         function.
2386         (Incremental_binary::apply_incremental_relocs): New function.
2387         (Incremental_binary::do_apply_incremental_relocs): New function.
2388         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2389         data member.
2390         (Sized_incremental_binary::add_global_symbol): New function.
2391         (Sized_incremental_binary::global_symbol): New function.
2392         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2393         (Sized_incremental_binary::symbol_map_): New data member.
2394         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2395         * target.h (Sized_target::apply_relocation): New function.
2396         * target-reloc.h (apply_relocation): New function.
2397         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2398
2399 2011-04-22  Doug Kwan  <dougkwan@google.com>
2400
2401         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2402         flag of a SHT_ARM_EXIDX section.
2403         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2404         * testsuite/Makefile.in: Regenerate.
2405         * testsuite/arm_exidx_test.s: New file.
2406         * testsuite/arm_exidx_test.sh: Same.
2407
2408 2011-04-20 Cary Coutant  <ccoutant@google.com>
2409
2410         PR gold/12689
2411         * archive.h (Incremental_archive_entry::Archive_member):
2412         Initialize arg_serial_ (second constructor).
2413
2414 2011-04-17  Ian Lance Taylor  <iant@google.com>
2415
2416         * object.cc (Relocate_info::location): Simplify location string.
2417         * errors.cc (Errors::error_at_location): Don't print program
2418         name.
2419         (Errors::warning_at_location): Likewise.
2420         (Errors::undefined_symbol): Likewise.
2421         * testsuite/debug_msg.sh: Update accordingly.
2422
2423 2011-04-14 Cary Coutant  <ccoutant@google.com>
2424
2425         * gold/layout.cc (Layout::symtab_section_offset): New function.
2426         * gold/layout.h (Layout::symtab_section_offset): New function.
2427         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2428
2429 2011-04-12  Ian Lance Taylor  <iant@google.com>
2430
2431         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2432         with MREMAP_MAYMOVE.
2433         * output.h (class Output_file): Add map_is_allocated_ field.
2434         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2435         not available, provide stubs.  If mremap is not available, #define
2436         it to gold_mremap.
2437         (MREMAP_MAYMOVE): Define if not defined.
2438         (Output_file::Output_file): Initialize map_is_allocated_.
2439         (Output_file::resize): Check map_is_allocated_.
2440         (Output_file::map_anonymous): If mmap fails, use malloc.
2441         (Output_file::unmap): Don't do anything for an anonymous map.
2442         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2443         is not available, provide stubs.
2444         (File_read::View::~View): Use free rather than delete[].
2445         (File_read::make_view): Use malloc rather than new[].  If mmap
2446         fails, use malloc.
2447         (File_read::find_or_make_view): Use malloc rather than new[].
2448         * gold.h: Remove HAVE_REMAP code.
2449         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2450         exists.  Rename mremap to gold_mremap.  If mmap is not available
2451         don't do anything.
2452         * configure, config.in: Rebuild.
2453
2454 2011-04-11  Ian Lance Taylor  <iant@google.com>
2455
2456         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2457         initialize local variable v.
2458
2459 2011-04-11  Cary Coutant  <ccoutant@google.com>
2460
2461         * archive.cc (Archive::include_member): Adjust call to
2462         report_object.
2463         (Add_archive_symbols::run): Track argument serial numbers.
2464         (Lib_group::include_member): Likewise.
2465         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2466         * archive.h (Incremental_archive_entry::Archive_member):
2467         Initialize arg_serial_.
2468         (Archive_member::arg_serial_): New data member.
2469         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2470         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2471         incremental link.
2472         (Sized_dynobj::do_for_all_local_got_entries): New function.
2473         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2474         function.
2475         * fileread.cc (get_mtime): New function.
2476         * fileread.h (get_mtime): New function.
2477         * gold.cc (queue_initial_tasks): Check for incremental update.
2478         (process_incremental_input): New function.
2479         (queue_middle_tasks): Don't force valid target for incremental
2480         update.
2481         * incremental-dump.cc (find_input_containing_global): Adjust
2482         size of symbol info entry.
2483         (dump_incremental_inputs): Dump argument serial number and
2484         in_system_directory flag; bias shndx by 1; print symbol names
2485         when dumping per-file symbol lists; use new symbol info readers.
2486         * incremental.cc
2487         (Output_section_incremental_inputs:update_data_size): New function.
2488         (Sized_incremental_binary::setup_readers): Setup input readers
2489         for each input file; build maps for files added from libraries
2490         and scripts.
2491         (Sized_incremental_binary::check_input_args): New function.
2492         (Sized_incremental_binary::do_check_inputs): Build map of argument
2493         serial numbers to input arguments.
2494         (Sized_incremental_binary::do_file_has_changed): Rename
2495         do_file_is_unchanged to this; compare file modification times.
2496         (Sized_incremental_binary::do_init_layout): New function.
2497         (Sized_incremental_binary::do_reserve_layout): New function.
2498         (Sized_incremental_binary::do_get_input_reader): Remove.
2499         (Sized_incremental_binary::get_symtab_view): New function.
2500         (Incremental_checker::can_incrementally_link_output_file): Remove.
2501         (Incremental_inputs::report_command_line): Exclude --debug options.
2502         (Incremental_inputs::report_archive_begin): Add parameter; track
2503         argument serial numbers; don't put input file entry for archive
2504         before archive members.
2505         (Incremental_inputs::report_archive_end): Put input file entry
2506         for archive after archive members.
2507         (Incremental_inputs::report_object): Add parameter; track argument
2508         serial numbers and in_system_directory flag.
2509         (Incremental_inputs::report_script): Add parameter; track argument
2510         serial numbers.
2511         (Output_section_incremental_inputs::set_final_data_size): Adjust
2512         size of symbol info entry; check for forwarding symbols.
2513         (Output_section_incremental_inputs::write_input_files): Write
2514         in_system_directory flag and argument serial number.
2515         (Output_section_incremental_inputs::write_info_blocks): Map section
2516         indices between incremental info and original input file; store
2517         input section index for each symbol.
2518         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2519         change operator() to visit().
2520         (class Global_got_offset_visitor): Likewise.
2521         (class Global_symbol_visitor_got_plt):
2522         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2523         classes.
2524         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2525         (Sized_incr_relobj::do_read_symbols): New function.
2526         (Sized_incr_relobj::do_layout): New function.
2527         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2528         (Sized_incr_relobj::do_add_symbols): New function.
2529         (Sized_incr_relobj::do_should_include_member): New function.
2530         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2531         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2532         (Sized_incr_relobj::do_section_size): New function.
2533         (Sized_incr_relobj::do_section_name): New function.
2534         (Sized_incr_relobj::do_section_contents): New function.
2535         (Sized_incr_relobj::do_section_flags): New function.
2536         (Sized_incr_relobj::do_section_entsize): New function.
2537         (Sized_incr_relobj::do_section_address): New function.
2538         (Sized_incr_relobj::do_section_type): New function.
2539         (Sized_incr_relobj::do_section_link): New function.
2540         (Sized_incr_relobj::do_section_info): New function.
2541         (Sized_incr_relobj::do_section_addralign): New function.
2542         (Sized_incr_relobj::do_initialize_xindex): New function.
2543         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2544         (Sized_incr_relobj::do_read_relocs): New function.
2545         (Sized_incr_relobj::do_gc_process_relocs): New function.
2546         (Sized_incr_relobj::do_scan_relocs): New function.
2547         (Sized_incr_relobj::do_count_local_symbols): New function.
2548         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2549         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2550         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2551         (Sized_incr_relobj::do_relocate): New function.
2552         (Sized_incr_relobj::do_set_section_offset): New function.
2553         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2554         (Sized_incr_dynobj::do_read_symbols): New function.
2555         (Sized_incr_dynobj::do_layout): New function.
2556         (Sized_incr_dynobj::do_add_symbols): New function.
2557         (Sized_incr_dynobj::do_should_include_member): New function.
2558         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2559         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2560         (Sized_incr_dynobj::do_section_size): New function.
2561         (Sized_incr_dynobj::do_section_name): New function.
2562         (Sized_incr_dynobj::do_section_contents): New function.
2563         (Sized_incr_dynobj::do_section_flags): New function.
2564         (Sized_incr_dynobj::do_section_entsize): New function.
2565         (Sized_incr_dynobj::do_section_address): New function.
2566         (Sized_incr_dynobj::do_section_type): New function.
2567         (Sized_incr_dynobj::do_section_link): New function.
2568         (Sized_incr_dynobj::do_section_info): New function.
2569         (Sized_incr_dynobj::do_section_addralign): New function.
2570         (Sized_incr_dynobj::do_initialize_xindex): New function.
2571         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2572         (make_sized_incremental_object): New function.
2573         (Incremental_library::copy_unused_symbols): New function.
2574         (Incremental_library::do_for_all_unused_symbols): New function.
2575         * incremental.h (enum Incremental_input_flags): New type.
2576         (class Incremental_checker): Remove.
2577         (Incremental_input_entry::Incremental_input_entry): Add argument
2578         serial number.
2579         (Incremental_input_entry::arg_serial): New function.
2580         (Incremental_input_entry::set_is_in_system_directory): New function.
2581         (Incremental_input_entry::is_in_system_directory): New function.
2582         (Incremental_input_entry::arg_serial_): New data member.
2583         (Incremental_input_entry::is_in_system_directory_): New data member.
2584         (class Script_info): Move here from script.h.
2585         (Script_info::Script_info): Add filename parameter.
2586         (Script_info::filename): New function.
2587         (Script_info::filename_): New data member.
2588         (Incremental_script_entry::Incremental_script_entry): Add argument
2589         serial number.
2590         (Incremental_object_entry::Incremental_object_entry): Likewise.
2591         (Incremental_object_entry::add_input_section): Build list of input
2592         sections with map to original shndx.
2593         (Incremental_object_entry::get_input_section_index): New function.
2594         (Incremental_object_entry::shndx_): New data member.
2595         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2596         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2597         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2598         serial number.
2599         (Incremental_inputs::report_archive_begin): Likewise.
2600         (Incremental_inputs::report_object): Likewise.
2601         (Incremental_inputs::report_script): Likewise.
2602         (class Incremental_global_symbol_reader): New class.
2603         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2604         and store flags and input file type.
2605         (Incremental_input_entry_reader::arg_serial): New function.
2606         (Incremental_input_entry_reader::type): Extract type from flags.
2607         (Incremental_input_entry_reader::is_in_system_directory): New function.
2608         (Incremental_input_entry_reader::get_input_section_count): Call
2609         accessor function for type.
2610         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2611         function for type; adjust size of global symbol entry.
2612         (Incremental_input_entry_reader::get_global_symbol_count): Call
2613         accessor function for type.
2614         (Incremental_input_entry_reader::get_object_count): Likewise.
2615         (Incremental_input_entry_reader::get_object_offset): Likewise.
2616         (Incremental_input_entry_reader::get_member_count): Likewise.
2617         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2618         (Incremental_input_entry_reader::get_member_offset): Likewise.
2619         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2620         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2621         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2622         (Incremental_input_entry_reader::get_global_symbol_reader): New
2623         function.
2624         (Incremental_input_entry_reader::get_output_symbol_index): New
2625         function.
2626         (Incremental_input_entry_reader::type_): Remove.
2627         (Incremental_input_entry_reader::flags_): New data member.
2628         (Incremental_inputs_reader::input_file_offset): New function.
2629         (Incremental_inputs_reader::input_file_index): New function.
2630         (Incremental_inputs_reader::input_file): Call input_file_offset.
2631         (Incremental_inputs_reader::input_file_at_offset): New function.
2632         (Incremental_relocs_reader::get_r_type): Reformat.
2633         (Incremental_relocs_reader::get_r_shndx): Reformat.
2634         (Incremental_relocs_reader::get_r_offset): Reformat.
2635         (Incremental_relocs_reader::data): New function.
2636         (Incremental_binary::Incremental_binary): Initialize new data members.
2637         (Incremental_binary::check_inputs): Add cmdline parameter.
2638         (Incremental_binary::file_is_unchanged): Remove.
2639         (Input_reader::arg_serial): New function.
2640         (Input_reader::get_unused_symbol_count): New function.
2641         (Input_reader::get_unused_symbol): New function.
2642         (Input_reader::do_arg_serial): New function.
2643         (Input_reader::do_get_unused_symbol_count): New function.
2644         (Input_reader::do_get_unused_symbol): New function.
2645         (Incremental_binary::input_file_count): New function.
2646         (Incremental_binary::get_input_reader): Change signature to use
2647         index instead of filename.
2648         (Incremental_binary::file_has_changed): New function.
2649         (Incremental_binary::get_input_argument): New function.
2650         (Incremental_binary::get_library): New function.
2651         (Incremental_binary::get_script_info): New function.
2652         (Incremental_binary::init_layout): New function.
2653         (Incremental_binary::reserve_layout): New function.
2654         (Incremental_binary::output_file): New function.
2655         (Incremental_binary::do_check_inputs): New function.
2656         (Incremental_binary::do_file_is_unchanged): Remove.
2657         (Incremental_binary::do_file_has_changed): New function.
2658         (Incremental_binary::do_init_layout): New function.
2659         (Incremental_binary::do_reserve_layout): New function.
2660         (Incremental_binary::do_input_file_count): New function.
2661         (Incremental_binary::do_get_input_reader): Change signature.
2662         (Incremental_binary::input_args_map_): New data member.
2663         (Incremental_binary::library_map_): New data member.
2664         (Incremental_binary::script_map_): New data member.
2665         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2666         new data members.
2667         (Sized_incremental_binary::output_section): New function.
2668         (Sized_incremental_binary::inputs_reader): Add const.
2669         (Sized_incremental_binary::symtab_reader): Add const.
2670         (Sized_incremental_binary::relocs_reader): Add const.
2671         (Sized_incremental_binary::got_plt_reader): Add const.
2672         (Sized_incremental_binary::get_symtab_view): New function.
2673         (Sized_incremental_binary::Inputs_reader): New typedef.
2674         (Sized_incremental_binary::Input_entry_reader): New typedef.
2675         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2676         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2677         (Sized_incremental_binary::do_file_has_changed): New function.
2678         (Sized_incremental_binary::do_init_layout): New function.
2679         (Sized_incremental_binary::do_reserve_layout): New function.
2680         (Sized_input_reader::Inputs_reader): Remove.
2681         (Sized_input_reader::Input_entry_reader): Remove.
2682         (Sized_input_reader::do_arg_serial): New function.
2683         (Sized_input_reader::do_get_unused_symbol_count): New function.
2684         (Sized_input_reader::do_get_unused_symbol): New function.
2685         (Sized_incremental_binary::do_input_file_count): New function.
2686         (Sized_incremental_binary::do_get_input_reader): Change signature;
2687         use index instead of filename.
2688         (Sized_incremental_binary::section_map_): New data member.
2689         (Sized_incremental_binary::input_entry_readers_): New data member.
2690         (class Sized_incr_relobj): New class.
2691         (class Sized_incr_dynobj): New class.
2692         (make_sized_incremental_object): New function.
2693         (class Incremental_library): New class.
2694         * layout.cc (Free_list::num_lists): New static data member.
2695         (Free_list::num_nodes): New static data member.
2696         (Free_list::num_removes): New static data member.
2697         (Free_list::num_remove_visits): New static data member.
2698         (Free_list::num_allocates): New static data member.
2699         (Free_list::num_allocate_visits): New static data member.
2700         (Free_list::init): New function.
2701         (Free_list::remove): New function.
2702         (Free_list::allocate): New function.
2703         (Free_list::dump): New function.
2704         (Free_list::print_stats): New function.
2705         (Layout_task_runner::run): Resize output file for incremental updates.
2706         (Layout::Layout): Initialize new data members.
2707         (Layout::set_incremental_base): New function.
2708         (Layout::init_fixed_output_section): New function.
2709         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2710         incremental updates.
2711         (Layout::create_gold_note): Do not create gold note section for
2712         incremental updates.
2713         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2714         for incremental updates.
2715         (Layout::set_section_offsets): For incremental updates, allocate space
2716         from free list.
2717         (Layout::create_symtab_sections): Layout with offsets relative to
2718         start of section; for incremental updates, allocate space from free
2719         list.
2720         (Layout::create_shdrs): For incremental updates, allocate space from
2721         free list.
2722         (Layout::finish_dynamic_section): For incremental updates, do not
2723         check --as-needed (fixed in subsequent patch).
2724         * layout.h (class Free_list): New class.
2725         (Layout::set_incremental_base): New function.
2726         (Layout::incremental_base): New function.
2727         (Layout::init_fixed_output_section): New function.
2728         (Layout::allocate): New function.
2729         (Layout::incremental_base_): New data member.
2730         (Layout::free_list_): New data member.
2731         * main.cc (main): Print Free_list statistics.
2732         * object.cc (Relobj::finalize_incremental_relocs): Add
2733         clear_counts parameter; clear counts only when clear_counts is set.
2734         (Sized_relobj::Sized_relobj): Initialize new base class.
2735         (Sized_relobj::do_layout): Don't report special sections.
2736         (Sized_relobj::do_for_all_local_got_entries): New function.
2737         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2738         symtab_off to all symbol table offsets.
2739         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2740         * object.h (class Got_offset_list): Move to top of file.
2741         (Object::Object): Allow case where input_file == NULL.
2742         (Object::~Object): Likewise.
2743         (Object::input_file): Assert that input_file != NULL.
2744         (Object::lock): Allow case where input_file == NULL.
2745         (Object::unlock): Likewise.
2746         (Object::is_locked): Likewise.
2747         (Object::token): Likewise.
2748         (Object::release): Likewise.
2749         (Object::is_incremental): New function.
2750         (Object::get_mtime): New function.
2751         (Object::for_all_local_got_entries): New function.
2752         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2753         (Object::set_is_in_system_directory): New function.
2754         (Object::is_in_system_directory): New function.
2755         (Object::do_is_incremental): New function.
2756         (Object::do_get_mtime): New function.
2757         (Object::do_for_all_local_got_entries): New function.
2758         (Object::is_in_system_directory_): New data member.
2759         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2760         (class Sized_relobj_base): New class.
2761         (class Sized_relobj): Derive from Sized_relobj_base.
2762         (class Sized_relobj::Symbols): Redeclare from base class.
2763         (class Sized_relobj::local_got_offset_list): Remove.
2764         (class Sized_relobj::Output_sections): Redeclare from base class.
2765         (class Sized_relobj::do_for_all_local_got_entries): New function.
2766         (class Sized_relobj::write_local_symbols): Add offset parameter.
2767         (class Sized_relobj::local_symbol_offset_): Update comment.
2768         (class Sized_relobj::local_dynsym_offset_): Update comment.
2769         * options.cc (Input_arguments::add_file): Remove const.
2770         * options.h (Input_file_argument::Input_file_argument):
2771         Initialize arg_serial_ (all constructors).
2772         (Input_file_argument::set_arg_serial): New function.
2773         (Input_file_argument::arg_serial): New function.
2774         (Input_file_argument::arg_serial_): New data member.
2775         (Input_arguments::Input_arguments): Initialize file_count_.
2776         (Input_arguments::add_file): Remove const.
2777         (Input_arguments::number_of_input_files): New function.
2778         (Input_arguments::file_count_): New data member.
2779         (Command_line::number_of_input_files): Call
2780         Input_arguments::number_of_input_files.
2781         * output.cc (Output_segment_headers::Output_segment_headers):
2782         Set current size.
2783         (Output_section::Input_section::current_data_size): New function.
2784         (Output_section::Output_section): Initialize new data members.
2785         (Output_section::add_input_section): Don't do merge sections for
2786         an incremental link; allocate space from free list for an
2787         incremental update.
2788         (Output_section::add_output_section_data): Allocate space from
2789         free list for an incremental update.
2790         (Output_section::update_data_size): New function.
2791         (Output_section::set_fixed_layout): New function.
2792         (Output_section::reserve): New function.
2793         (Output_segment::set_section_addresses): Remove const.
2794         (Output_segment::set_section_list_addresses): Remove const; allocate
2795         space from free list for an incremental update.
2796         (Output_segment::set_offset): Adjust size of RELRO segment for an
2797         incremental update.
2798         * output.h (Output_data::current_data_size): Move here from
2799         child classes.
2800         (Output_data::pre_finalize_data_size): New function.
2801         (Output_data::update_data_size): New function.
2802         (Output_section_headers::update_data_size): new function.
2803         (Output_section_data_build::current_data_size): Move to Output_data.
2804         (Output_data_strtab::update_data_size): New function.
2805         (Output_section::current_data_size): Move to Output_data.
2806         (Output_section::set_fixed_layout): New function.
2807         (Output_section::has_fixed_layout): New function.
2808         (Output_section::reserve): New function.
2809         (Output_section::update_data_size): New function.
2810         (Output_section::has_fixed_layout_): New data member.
2811         (Output_section::free_list_): New data member.
2812         (Output_segment::set_section_addresses): Remove const.
2813         (Output_segment::set_section_list_addresses): Remove const.
2814         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2815         New function.
2816         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2817         New function.
2818         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2819         parameter when calling Add_symbols constructor; store argument
2820         serial number for members of a lib group.
2821         (Add_symbols::locks): Allow case where token == NULL.
2822         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2823         (Read_member::~Read_member): New function.
2824         (Read_member::is_runnable): New function.
2825         (Read_member::locks): New function.
2826         (Read_member::run): New function.
2827         (Check_script::~Check_script): New function.
2828         (Check_script::is_runnable): New function.
2829         (Check_script::locks): New function.
2830         (Check_script::run): New function.
2831         (Check_library::~Check_library): New function.
2832         (Check_library::is_runnable): New function.
2833         (Check_library::locks): New function.
2834         (Check_library::run): New function.
2835         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2836         (Add_symbols::library_): New data member.
2837         (class Read_member): New class.
2838         (class Check_script): New class.
2839         (class Check_library): New class.
2840         * reloc.cc (Read_relocs::is_runnable): Allow case where
2841         token == NULL.
2842         (Read_relocs::locks): Likewise.
2843         (Scan_relocs::locks): Likewise.
2844         (Relocate_task::locks): Likewise.
2845         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2846         to clear counters.
2847         (Sized_relobj::incremental_relocs_scan): Fix comment.
2848         (Sized_relobj::do_relocate): Pass output file offset to
2849         write_local_symbols.
2850         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2851         from class declaration.
2852         * script.cc (read_input_script): Allocate Script_info; pass
2853         argument serial number to report_script.
2854         * script.h (class Script_info): Move to incremental.h.
2855         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2856         * symtab.h (Symbol_table::add_from_incrobj): New function.
2857         (Symbol_table::set_file_offset): New function.
2858
2859 2011-04-05  Cary Coutant  <ccoutant@google.com>
2860
2861         * incremental-dump.cc (dump_incremental_inputs): Change signature
2862         to take a Sized_incremental_binary; change caller.  Use readers
2863         in Sized_incremental_binary.
2864         * incremental.cc
2865         (Sized_incremental_binary::find_incremental_inputs_sections):
2866         Rename do_find_incremental_inputs_sections to this.
2867         (Sized_incremental_binary::setup_readers): New function.
2868         (Sized_incremental_binary::do_check_inputs): Check
2869         has_incremental_info_ flag; move setup code to setup_readers;
2870         use input readers.
2871         (Sized_incremental_binary::do_file_is_unchanged): New function.
2872         (Sized_incremental_binary::do_get_input_reader): New function.
2873         * incremental.h (class Incremental_binary): Move to end of file.
2874         (Incremental_binary::file_is_unchanged): New function.
2875         (Incremental_binary::do_file_is_unchanged): New function.
2876         (Incremental_binary::Input_reader): New class.
2877         (Incremental_binary::get_input_reader): New function.
2878         (class Sized_incremental_binary): Move to end of file.
2879         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2880         input section reader classes.
2881         (Sized_incremental_binary::has_incremental_info): New function.
2882         (Sized_incremental_binary::inputs_reader): New function.
2883         (Sized_incremental_binary::symtab_reader): New function.
2884         (Sized_incremental_binary::relocs_reader): New function.
2885         (Sized_incremental_binary::got_plt_reader): New function.
2886         (Sized_incremental_binary::do_file_is_unchanged): New function.
2887         (Sized_incremental_binary::Sized_input_reader): New class.
2888         (Sized_incremental_binary::get_input_reader): New function.
2889         (Sized_incremental_binary::find_incremental_inputs_sections):
2890         Rename do_find_incremental_inputs_sections to this.
2891         (Sized_incremental_binary::setup_readers): New function.
2892         (Sized_incremental_binary::has_incremental_info_): New data member.
2893         (Sized_incremental_binary::inputs_reader_): New data member.
2894         (Sized_incremental_binary::symtab_reader_): New data member.
2895         (Sized_incremental_binary::relocs_reader_): New data member.
2896         (Sized_incremental_binary::got_plt_reader_): New data member.
2897         (Sized_incremental_binary::current_input_file_): New data member.
2898
2899 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2900
2901         PR gold/12640
2902         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2903         violation.
2904
2905 2011-03-30  Cary Coutant  <ccoutant@google.com>
2906
2907         * archive.cc (Archive::include_member): Adjust call to report_object.
2908         (Add_archive_symbols::run): Add script_info to call to
2909         report_archive_begin.
2910         (Lib_group::include_member): Adjust call to report_object.
2911         (Add_lib_group_symbols::run): Adjust call to report_object.
2912         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2913         blocks.  Add object count for script input files.
2914         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2915         script_info parameter; change all callers.
2916         (Incremental_inputs::report_object): Add script_info parameter;
2917         change all callers.
2918         (Incremental_inputs::report_script): Store backpointer to
2919         incremental info entry.
2920         (Output_section_incremental_inputs::set_final_data_size): Record
2921         additional information for scripts.
2922         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2923         * incremental.h (Incremental_script_entry::add_object): New function.
2924         (Incremental_script_entry::get_object_count): New function.
2925         (Incremental_script_entry::get_object): New function.
2926         (Incremental_script_entry::objects_): New data member; adjust
2927         constructor.
2928         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2929         (Incremental_inputs::report_object): Add script_info parameter.
2930         (Incremental_inputs_reader::get_object_count): New function.
2931         (Incremental_inputs_reader::get_object_offset): New function.
2932         * options.cc (Input_arguments::add_file): Return reference to
2933         new input argument.
2934         * options.h (Input_argument::set_script_info): New function.
2935         (Input_argument::script_info): New function.
2936         (Input_argument::script_info_): New data member; adjust all
2937         constructors.
2938         (Input_file_group::add_file): Return reference to new input argument.
2939         (Input_file_lib::add_file): Likewise.
2940         (Input_arguments::add_file): Likewise.
2941         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2942         * script.cc (Parser_closure::Parser_closure): Add script_info
2943         parameter; adjust all callers.
2944         (Parser_closure::script_info): New function.
2945         (Parser_closure::script_info_): New data member.
2946         (read_input_script): Report scripts earlier to incremental info.
2947         (script_add_file): Set script_info in Input_argument.
2948         (script_add_library): Likewise.
2949         * script.h (Script_options::Script_info): Rewrite class.
2950
2951 2011-03-29  Cary Coutant  <ccoutant@google.com>
2952
2953         * archive.cc (Library_base::should_include_member): Move
2954         method here from class Archive.
2955         (Archive::Archive): Initialize base class.
2956         (Archive::should_include_member): Move to base class.
2957         (Archive::do_for_all_unused_symbols): New function.
2958         (Add_archive_symbols::run): Remove redundant access to
2959         incremental_inputs.
2960         (Lib_group::Lib_group): Initialize base class.
2961         (Lib_group::do_filename): New function.
2962         (Lib_group::include_member): Pass pointer to Lib_group to
2963         report_object.
2964         (Lib_group::do_for_all_unused_symbols): New function.
2965         (Add_lib_group_symbols::run): Report archive information for
2966         incremental links.
2967         * archive.h (class Library_base): New base class.
2968         (class Archive): Derive from Library_base.
2969         (Archive::filename): Move to base class.
2970         (Archive::set_incremental_info): Likewise.
2971         (Archive::incremental_info): Likewise.
2972         (Archive::Should_include): Likewise.
2973         (Archive::should_include_member): Likewise.
2974         (Archive::Armap_entry): Remove.
2975         (Archive::Unused_symbol_iterator): Remove.
2976         (Archive::unused_symbols_begin): Remove.
2977         (Archive::unused_symbols_end): Remove.
2978         (Archive::do_filename): New function.
2979         (Archive::do_get_mtime): New function.
2980         (Archive::do_for_all_unused_symbols): New function.
2981         (Archive::task_): Move to base class.
2982         (Archive::incremental_info_): Likewise.
2983         (class Lib_group): Derive from Library_base.
2984         (Lib_group::do_filename): New function.
2985         (Lib_group::do_get_mtime): New function.
2986         (Lib_group::do_for_all_unused_symbols): New function.
2987         (Lib_group::task_): Move to base class.
2988         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2989         function.
2990         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2991         function.
2992         * incremental.cc (Incremental_inputs::report_archive_begin):
2993         Use Library_base; call library's get_mtime; add incremental inputs
2994         entry before members.
2995         (class Unused_symbol_visitor): New class.
2996         (Incremental_inputs::report_archive_end): Use Library_base; use
2997         visitor class to record unused symbols; don't add incremental inputs
2998         entry after members.
2999         (Incremental_inputs::report_object): Use Library_base.
3000         * incremental.h
3001         (Incremental_archive_entry::Incremental_archive_entry): Remove
3002         unused Archive parameter.
3003         (Incremental_inputs::report_archive_begin): Use Library_base.
3004         (Incremental_inputs::report_archive_end): Likewise.
3005         (Incremental_inputs::report_object): Likewise.
3006         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3007         function.
3008         * object.h (Object::for_all_global_symbols): New function.
3009         (Object::do_for_all_global_symbols): New function.
3010         (Sized_relobj::do_for_all_global_symbols): New function.
3011         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3012         function.
3013         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3014         function.
3015
3016 2011-03-27  Ian Lance Taylor  <iant@google.com>
3017
3018         * archive.cc (Archive::interpret_header): Return -1 if something
3019         goes wrong.  Change callers accordingly.
3020
3021 2011-03-25  Cary Coutant  <ccoutant@google.com>
3022
3023         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3024         * testsuite/Makefile.in: Regenerate.
3025
3026 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3027
3028         * plugin.cc (get_view): New.
3029         (Plugin::load): Pass get_view to the plugin.
3030         (Plugin_manager::get_view): New.
3031
3032 2011-03-21  Ian Lance Taylor  <iant@google.com>
3033
3034         * testsuite/final_layout.sh: Rewrite to not use dc.
3035         * testsuite/relro_test.sh: Fail if dc is not present.
3036
3037 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3038
3039         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3040         Change == to -eq.
3041         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3042         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3043         Change == to -eq.
3044         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3045         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3046
3047 2011-03-14  Ian Lance Taylor  <iant@google.com>
3048
3049         * script-sections.cc (Sort_output_sections::script_compare):
3050         Rename from is_before, change return type.
3051         (Sort_output_sections::operator()): Adjust accordingly.
3052
3053 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3054
3055         PR gold/12572
3056         * testsuite/odr_violation2.cc: Add comment to make all error line
3057         numbers double digits.
3058         * testsuite/debug_msg.sh: Adjust expected errors.
3059
3060 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3061
3062         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3063         but mark earlier ones as non-canonical
3064         (offset_to_iterator): Update search target and example
3065         (do_addr2line): Return extra lines in a vector*
3066         (format_file_lineno): Extract from do_addr2line
3067         (one_addr2line): Add vector* out-param
3068         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3069         when a lineno entry appeared last for its instruction
3070         (Dwarf_line_info): Add vector* out-param
3071         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3072         * symtab.cc (Odr_violation_compare): Include the lineno in the
3073         comparison again.
3074         (linenos_from_loc): New. Combine the canonical line for an
3075         address with its other lines.
3076         (True_if_intersect): New. Helper functor to make
3077         std::set_intersection a query.
3078         (detect_odr_violations): Compare sets of lines instead of just
3079         one line for each function. This became less deterministic, but
3080         has fewer false positives.
3081         * symtab.h: Declarations.
3082         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3083         mix an optimized and non-optimized object in the same binary
3084         (odr_violation2.so): Same.
3085         * testsuite/Makefile.in: Regenerate from Makefile.am.
3086         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3087         * testsuite/debug_msg.sh: Update line numbers and add
3088         assertions.
3089         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3090         non-optimized context.
3091         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3092         isn't inlined, and use OdrDerived in an optimized context.
3093         * testsuite/odr_header1.h: Defines OdrDerived, where
3094         optimization will change the
3095         first-instruction-in-the-destructor's file and line number.
3096         * testsuite/odr_header2.h: Defines OdrBase.
3097
3098 2011-03-09  Ian Lance Taylor  <iant@google.com>
3099
3100         * fileread.cc (File_read::clear_views): Don't delete the whole
3101         file view.
3102
3103 2011-03-08  Ian Lance Taylor  <iant@google.com>
3104
3105         PR gold/12525
3106         * fileread.cc: #include <climits>.
3107         (GOLD_IOV_MAX): Define.
3108         (File_read::read_multiple): Limit number of entries by iov_max.
3109         * fileread.h (class File_read): Always set max_readv_entries to
3110         128.
3111
3112 2011-03-07  Ian Lance Taylor  <iant@google.com>
3113
3114         PR gold/12525
3115         * options.h (class General_options): Add -dy and -dn.
3116
3117 2011-03-02  Cary Coutant  <ccoutant@google.com>
3118
3119         * testsuite/script_test_9.t: Add TLS segment.
3120
3121 2011-03-02  Simon Baldwin  <simonb@google.com>
3122
3123         * configure.ac: Add check for gnu_indirect_function support in
3124         the toolchain building binutils.
3125         * configure: Rebuild.
3126
3127 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3128
3129         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3130         plugin only symbols.
3131         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3132         in plugin files as not needed in the symbol table.
3133
3134 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3135
3136         * output.cc (Output_section::add_input_section): Delay fill
3137         generation for section ordering.
3138
3139 2011-02-09  Ian Lance Taylor  <iant@google.com>
3140
3141         PR gold/12316
3142         * object.h (class Sized_relobj): Remove clear_local_symbols.
3143         * reloc.cc (Sized_relobj::do_relocate): Don't call
3144         clear_local_symbols.
3145
3146 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3147
3148         * plugin.cc (is_visible_from_outside): Return true for symbols
3149         in the -u option.
3150
3151 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3152
3153         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3154         filename.
3155
3156 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3157
3158         * icf.h (is_section_foldable_candidate): Change type of parameter
3159         to std::string.
3160         * icf.cc (Icf::find_identical_sections): Change type of local variable
3161         section_name to be std::string.
3162         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3163
3164 2011-01-25  Ian Lance Taylor  <iant@google.com>
3165
3166         * script.cc (script_add_extern): Rewrite to use
3167         add_symbol_reference.
3168
3169 2011-01-25  Doug Kwan  <dougkwan@google.com>
3170
3171         * icf.cc (get_section_contents): Always lock section's object.
3172
3173 2011-01-24  Ian Lance Taylor  <iant@google.com>
3174
3175         * options.h (class General_options): Accept
3176         --no-detect-odr-violations.
3177
3178 2011-01-24  Ian Lance Taylor  <iant@google.com>
3179
3180         * version.cc (version_string): Bump to 1.11.
3181
3182 2011-01-24  Ian Lance Taylor  <iant@google.com>
3183
3184         * plugin.cc (class Plugin_rescan): Define new class.
3185         (Plugin_manager::claim_file): Set any_claimed_.
3186         (Plugin_manager::save_archive): New function.
3187         (Plugin_manager::save_input_group): New function.
3188         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3189         necessary.
3190         (Plugin_manager::new_undefined_symbol): New function.
3191         (Plugin_manager::rescan): New function.
3192         (Plugin_manager::rescannable_defines): New function.
3193         (Plugin_manager::add_input_file): Set any_added_.
3194         * plugin.h (class Plugin_manager): define new fields rescannable_,
3195         undefined_symbols_, any_claimed_, and any_added_.  Declare
3196         Plugin_rescan as friend.  Declare new functions.
3197         (Plugin_manager::Rescannable): Define type.
3198         (Plugin_manager::Rescannable_list): Define type.
3199         (Plugin_manager::Undefined_symbol_list): Define type.
3200         (Plugin_manager::Plugin_manager): Initialize new fields.
3201         * archive.cc (Archive::defines_symbol): New function.
3202         (Add_archive_symbols::run): Pass archive to plugins if any.
3203         * archive.h (class Archive): Declare defines_symbol.
3204         * readsyms.cc (Input_group::~Input_group): New function.
3205         (Finish_group::run): Pass input_group to plugins if any.
3206         * readsyms.h (class Input_group): Declare destructor.
3207         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3208         any.
3209
3210 2011-01-10  Ian Lance Taylor  <iant@google.com>
3211
3212         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3213         section as relro.
3214         (Layout::set_segment_offsets): Reset increase_relro before calling
3215         set_section_addresses a second time.
3216
3217 2011-01-04  Cary Coutant  <ccoutant@google.com>
3218
3219         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3220         sections before NOBITS sections.
3221
3222 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3223
3224         * version.cc (print_version): Update copyright to 2011.
3225
3226 2010-12-23  Cary Coutant  <ccoutant@google.com>
3227
3228         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3229         of OS to this->add.  Add OD parameter to second form of the function.
3230
3231 2010-12-20  Ian Lance Taylor  <iant@google.com>
3232
3233         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3234         second of two consecutive entries with same offset.
3235
3236 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3237
3238         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3239         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3240         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3241         to avoid unneeded links against $(LDADD).
3242         * testsuite/Makefile.in: Regenerate.
3243
3244 2010-12-15  Ian Lance Taylor  <iant@google.com>
3245
3246         PR gold/12324
3247         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3248         for R_X86_64_32 and R_X86_64_PC32.
3249         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3250         ver_matching_def_pic.o.
3251         (ver_matching_def_pic.o): New target.
3252
3253 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3254
3255         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3256         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3257         Move definition before File_read::View member definitions.
3258         (File_read::View::~View): Initialize and hold lock before
3259         updating current_mapped_bytes.
3260
3261 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3262
3263         * dwarf_reader.cc: Remove outdated comment.
3264         * gold-threads.cc: Fix typo in error message.
3265         * archive.cc: Fix typos in comments.
3266         * archive.h: Likewise.
3267         * arm-reloc-property.cc: Likewise.
3268         * arm-reloc-property.h: Likewise.
3269         * arm-reloc.def: Likewise.
3270         * arm.cc: Likewise.
3271         * attributes.h: Likewise.
3272         * cref.cc: Likewise.
3273         * ehframe.cc: Likewise.
3274         * fileread.h: Likewise.
3275         * gold.h: Likewise.
3276         * i386.cc: Likewise.
3277         * icf.cc: Likewise.
3278         * incremental.h: Likewise.
3279         * int_encoding.cc: Likewise.
3280         * layout.h: Likewise.
3281         * main.cc: Likewise.
3282         * merge.h: Likewise.
3283         * object.cc: Likewise.
3284         * object.h: Likewise.
3285         * options.cc: Likewise.
3286         * readsyms.cc: Likewise.
3287         * reduced_debug_output.cc: Likewise.
3288         * reloc.cc: Likewise.
3289         * script-sections.cc: Likewise.
3290         * sparc.cc: Likewise.
3291         * symtab.h: Likewise.
3292         * target-reloc.h: Likewise.
3293         * target.cc: Likewise.
3294         * target.h: Likewise.
3295         * timer.cc: Likewise.
3296         * timer.h: Likewise.
3297         * x86_64.cc: Likewise.
3298
3299 2010-12-09  Cary Coutant  <ccoutant@google.com>
3300
3301         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3302         stack.
3303         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3304         parameter; change all callers.
3305         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3306         * options.h (warn_execstack): New option.
3307
3308 2010-12-07  Doug Kwan  <dougkwan@google.com>
3309
3310         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3311         like function call relocations.
3312
3313 2010-12-07  Ian Lance Taylor  <iant@google.com>
3314
3315         * archive.cc (Archive::get_elf_object_for_member): Permit
3316         punconfigured to be NULL.
3317         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3318         (Archive::include_member): Pass NULL to get_elf_object_for_member
3319         if we searched for the archive and this is the first included
3320         object.
3321
3322 2010-12-01  Ian Lance Taylor  <iant@google.com>
3323
3324         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3325         track_relocs_type_ field.
3326         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3327         Set track_relocs_type_.
3328         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3329         contents when using RELA relocs.
3330         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3331         reloc_map_.
3332         * reloc.cc (Track_relocs::next_addend): New function.
3333         * reloc.h (class Track_relocs): Declare next_addend.
3334
3335 2010-12-01  Ian Lance Taylor  <iant@google.com>
3336
3337         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3338         virtual destructor.
3339
3340 2010-12-01  Ian Lance Taylor  <iant@google.com>
3341
3342         * README: Update compilers known to work and fail.
3343
3344 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3345
3346         * configure.in: For --enable-gold, handle value `default' instead of
3347         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3348         not the default.
3349         * configure: Regenerate.
3350
3351 2010-11-18  Doug Kwan  <dougkwan@google.com>
3352
3353         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3354         and right_alignment to be zero.  Store result alignment only if it is
3355         greater than existing alignment.
3356
3357 2010-11-16  Cary Coutant  <ccoutant@google.com>
3358
3359         PR gold/12220
3360         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3361         Check for ".zdebug_line".
3362
3363 2010-11-16  Doug Kwan  <dougkwan@google.com>
3364             Cary Coutant  <ccoutant@google.com>
3365
3366         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3367         by reference; adjust all callers.
3368         * output.cc (Output_segment::set_section_addresses): Adjust references
3369         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3370         list is empty.
3371         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3372         end at page boundary.
3373
3374 2010-11-16  Cary Coutant  <ccoutant@google.com>
3375
3376         PR gold/12220
3377         * layout.cc (Layout::choose_output_section): Transform names of
3378         compressed sections even when using a script with a SECTIONS clause.
3379         (Layout::output_section_name): Remove code to transform
3380         compressed debug section names.
3381         * output.cc (Output_section::add_input_section): Use uncompressed
3382         section size when tracking input sections.
3383
3384 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3385
3386         * symtab.h (Symbol::NON_PIC_REF): Remove.
3387         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3388         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3389         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3390         (Symbol::use_plt_offset): Take a flags argument and pass it
3391         directly to needs_dynamic_reloc.  Restrict check for undefined
3392         weak symbols to function calls.
3393         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3394         (Target_arm::Scan::global): Use it.
3395         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3396         (Target_arm::Relocate::relocate): Likewise.
3397         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3398         parameter with an r_type parameter.  Use get_reference_flags
3399         to get the flags.
3400         (Target_arm::Relocate::relocate): Update accordingly.
3401         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3402         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3403         (Target_i386::Scan::global): Likewise.
3404         (Target_i386::Relocate::relocate): Likewise.
3405         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3406         parameter with an r_type parameter.  Use get_reference_flags
3407         to get the flags.
3408         (Target_i386::Relocate::relocate): Update accordingly.
3409         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3410         (Target_powerpc::Scan::global): Use it.
3411         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3412         (Target_powerpc::Relocate::relocate): Likewise.
3413         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3414         (Target_sparc::Scan::global): Use it.
3415         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3416         (Target_sparc::Relocate::relocate): Likewise.
3417         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3418         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3419         (Target_x86_64::Scan::global): Likewise.
3420         (Target_x86_64::Relocate::relocate): Likewise.
3421
3422 2010-11-08  Doug Kwan  <dougkwan@google.com>
3423             Cary Coutant  <ccoutant@google.com>
3424
3425         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3426         (Arm_exidx_merge_section::section_contents_): New data member.
3427         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3428         (Arm_input_section::~Arm_input_section): De-allocate memory.
3429         (Arm_input_section::original_contents_): New data member.
3430         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3431         in parameters instead of calling Object::section_contents without
3432         locking.
3433         (Arm_output_section::group_section): New parameter TASK.  Pass it
3434         to callees that need locking objects.
3435         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3436         to lock EXIDX input sections.  Fix a formatting issue.  Call
3437         Arm_exidx_merged_section::build_contents to create merged section
3438         contents.
3439         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3440         to lock object of stub table owner.
3441         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3442         TEXT_SIZE to initialize data member TEXT_SIZE_.
3443         (Arm_exidx_input_section::addralign): Fix typo in comment.
3444         (Arm_exidx_input_section::text_size): New method.
3445         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3446         that require locking objects.  Lock objects before scanning for stubs
3447         and updating local symbols.
3448         (Arm_input_section<big_endian>::init): Copy contents of original
3449         input section.
3450         (Arm_input_section<big_endian>::do_write): Use saved contents of
3451         original input section instead of calling Object::section_contents
3452         without locking.
3453         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3454         size without calling Object::section_size().
3455         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3456         for size.  Allocate a buffer for merged EXIDX entries.
3457         (Arm_exidx_merged_section::build_contents): New method.
3458         (Arm_exidx_merged_section::do_write): Move merge section contents
3459         building code to Arm_exidx_merged_section::build_contetns.  Write
3460         out contetns in buffer instead of building it on the fly.
3461         (Arm_relobj::make_exidx_input_section): Also pass text section size
3462         to Arm_exidx_input_section constructor.
3463         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3464         (Arm_dynobj::do_read_symbols): Fix memory leak.
3465         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3466         * target.h: (class Task): Add forward declaration.
3467         (Target::relax): Add new parameter TASK and pass it to
3468         Target::do_relax().
3469         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3470
3471 2010-11-05  Cary Coutant  <ccoutant@google.com>
3472
3473         PR gold/10708
3474         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3475         object when reading from the file.
3476         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3477         second layout pass.
3478         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3479         when reading section contents.
3480         (get_section_contents): Likewise.
3481         (icf::find_identical_sections): Likewise.
3482         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3483         object when reading from the file.
3484         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3485         the object when doing deferred section layout.
3486
3487 2010-11-03  Nick Clifton  <nickc@redhat.com>
3488
3489         PR gold/12001
3490         * script.h (class Symbol_assignment: name): New member.  Returns
3491         the name of the symbol.
3492         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3493         Returns true if the given symbol name is on the list of
3494         assignments wating to be processed.
3495         * archive.cc (should_incldue_member): If the symbol is undefined,
3496         check to see if it is on the list of symbols pending assignment.
3497
3498 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3499
3500         * script-sections.cc (Script_sections::find_memory_region): Check
3501         for a NULL output section pointer.
3502
3503 2010-10-29  Doug Kwan  <dougkwan@google.com>
3504
3505         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3506         Output_section::add_relaxed_input_section.
3507         * output.cc (Output_section::add_relaxed_input_section): Add new
3508         arguments LAYOUT and NAME.  Set section order index.
3509         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3510         Copy section order index.
3511         * output.h (Output_section::add_relaxed_input_section): Add new
3512         arguments LAYOUT and NAME.
3513
3514 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3515
3516         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3517         NATIVE_OR_CROSS_LINKER.
3518         * testsuite/Makefile.in: Regenerate.
3519
3520 2010-10-20  Doug Kwan  <dougkwan@google.com>
3521
3522         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3523         without SHF_LINK_ORDER flags.
3524         * layout.cc (Layout::choose_output_section): Do not filter
3525         SHF_LINK_ORDER flag in a relocatable link.
3526
3527 2010-10-17  Cary Coutant  <ccoutant@google.com>
3528
3529         * output.h (Output_segment::set_section_addresses): Change function
3530         signature.  Update all callers.
3531         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3532         sections.
3533         (Output_segment::set_section_addresses): Align after last TLS
3534         section.  Add padding before last relro section instead of after.
3535
3536 2010-10-17  Doug Kwan  <dougkwan@google.com>
3537
3538         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3539         GOT output section to be writable.
3540
3541 2010-10-14  Cary Coutant  <ccoutant@google.com>
3542
3543         * debug.h (DEBUG_INCREMENTAL): New flag.
3544         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3545         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3546         mode.
3547         * incremental.cc (report_command_line): Ignore all forms of
3548         --incremental.
3549         * layout.cc (Layout::Layout): Check parameters for incremental link
3550         mode.
3551         * options.cc (General_options::parse_incremental): New function.
3552         (General_options::parse_no_incremental): New function.
3553         (General_options::parse_incremental_full): New function.
3554         (General_options::parse_incremental_update): New function.
3555         (General_options::incremental_mode_): New data member.
3556         (General_options::finalize): Check incremental_mode_.
3557         * options.h (General_options): Update help text for --incremental.
3558         Add --no-incremental, --incremental-full, --incremental-update.
3559         (General_options::Incremental_mode): New enum type.
3560         (General_options::incremental_mode): New function.
3561         (General_options::incremental_mode_): New data member.
3562         * parameters.cc (Parameters::incremental_mode_): New data member.
3563         (Parameters::set_options): Set incremental_mode_.
3564         (Parameters::set_incremental_full): New function.
3565         (Parameters::incremental): New function.
3566         (Parameters::incremental_update): New function.
3567         (set_parameters_incremental_full): New function.
3568         * parameters.h (Parameters::set_incremental_full): New function.
3569         (Parameters::incremental): New function.
3570         (Parameters::incremental_update): New function.
3571         (Parameters::incremental_mode_): New data member.
3572         (set_parameters_incremental_full): New function.
3573         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3574         incremental link mode.
3575         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3576         (Sized_relobj::do_relocate_sections): Likewise.
3577         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3578         option.
3579         * testsuite/Makefile.in: Regenerate.
3580         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3581
3582 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3583
3584         * script-sections.h (class Script_sections): Make
3585         Sections_elements typedef public.
3586         * script-sections.cc (class Sort_output_sections): Add elements_
3587         field.  Add constructor which sets it; change all callers.
3588         (Sort_output_sections::is_before): New function.
3589         (Sort_output_sections::operator()): Call is_before.
3590         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3591         conditional.
3592         * testsuite/script_test_10.sh: New test. Test script section
3593         order.
3594         * testsuite/script_test_10.t: Likewise.
3595         * testsuite/script_test_10.s: Likewise.
3596         * testsuite/Makefile.am: Wrap the cross linker tests and the
3597         common tests into NATIVE_OR_CROSS_LINKER.
3598         (check_SCRIPTS): Add script_test_10.sh.
3599         (check_DATA): Add script_test_10.stdout.
3600         (script_test_10.o, script_test_10): New targets.
3601         (script_test_10.stdout): New target.
3602         * configure, testsuite/Makefile.in: Regenerate.
3603
3604 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3605
3606         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3607         error for the deprecated relocations.
3608         (Target_arm::Scan::global): Likewise.
3609         (Target_arm::Relocate::relocate): Likewise.
3610
3611 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3612
3613         * fileread.cc (Input_file::find_file): Initialize *found_name
3614         and *namep when using the fallback search for case 4.
3615
3616 2010-10-11  Cary Coutant  <ccoutant@google.com>
3617
3618         * options.h (class General_options): Redefine -z lazy as an alias for
3619         the negation of -z now.
3620
3621 2010-10-11  Ian Lance Taylor  <iant@google.com>
3622
3623         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3624         binding.
3625
3626 2010-10-06  Nick Clifton  <nickc@redhat.com>
3627
3628         * script-sections.cc(class Memory_region): Remove
3629         current_lma_offset_ field.  Rename current_vma_offset_ to
3630         current_offset_.  Add last_section_ field.
3631         (Memory_region::get_current_vma_address): Rename to
3632         get_current_address.
3633         (Memory_region::get_current_lma_address): Delete.
3634         (Memory_region::increment_vma_offset): Rename to
3635         increment_offset.
3636         (Memory_region::increment_lma_offset): Delete.
3637         (Memory_region::attributes_compatible): New method.  Returns
3638         true if the provided section is compatible with the region.
3639         (Memory_region::get_last_section): New method.  Returns the last
3640         section to use the region.
3641         (Memory_region::set_last_section): New method.  Stores the last
3642         section to use the region.
3643         (Script_sections::block_in_region): New method.  Returns true if
3644         a block of memory is contained within a region.
3645         (Script_sections::find_memory_region): New method.  Locates a
3646         memory region to be used to set a VMA or LMA address.
3647         (Output_section_definition::set_section_addresses): Add code to
3648         check for addresses set by memory regions.
3649         (Output_segment::set_section_addresses): Remove memory region
3650         walking code.
3651         (Script_sections::create_segment): Add a warning if a header
3652         segment is created outside of any region.
3653         * script-sections.h (class Script_sections): Add prototypes for
3654         find_memory_region and block_in_region methods.
3655         * testsuite/memory_test.s: Use .long instead of .word.
3656         * testsuite/memory_test.t: Add some more output sections.
3657         * testsuite/memory_test.sh: Update expected output.
3658
3659 2010-10-02  Doug Kwan  <dougkwan@google.com>
3660
3661         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3662         defintion to symtab.h
3663         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3664         declaration to defintion.
3665
3666 2010-10-01  Nick Clifton  <nickc@redhat.com>
3667
3668         * expression.cc (eval): Replace dummy argument with NULL.
3669         (eval_maybe_dot): Check for a NULL result section pointer.
3670         (Symbol_expression::value): Likewise.
3671         (Dot_expression::value): Likewise.
3672         (BINARY_EXPRESSION): Likewise.
3673         (Max_expression::value): Likewise.
3674         (Min_expression::value): Likewise.
3675         (Absolute_expression::value): Likewise.
3676         (Addr_expression::value_from_output_section): Likewise.
3677         (Loaddddr_expression::value_from_output_section): Likewise.
3678         (Segment_start_expression::value): Likewise.
3679         * script-sections.cc
3680         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3681         argument with NULL.
3682         (Sections_elememt_dot_assignment::set_section_addresses):
3683         Likewise.
3684         (Output_data_expression::do_write_to_buffer): Likewise.
3685         (Output_section_definition::finalize_symbols): Likewise.
3686         (Output_section_definition::set_section_addresses): Likewise.
3687
3688 2010-09-30  Doug Kwan  <dougkwan@google.com>
3689
3690         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3691
3692 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3693
3694         * target.h (Target::can_icf_inline_merge_sections): New virtual
3695         function.
3696         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3697         virtual function.
3698         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3699         virtual function.
3700         * icf.cc (get_section_contents): Inline merge sections only when
3701         target allows it.
3702
3703 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3704
3705         * configure: Regenerate.
3706
3707 2010-09-17  Ian Lance Taylor  <iant@google.com>
3708
3709         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3710         * testsuite/Makefile.am (memory_test.o): New target.
3711         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3712         memory_test.t.
3713         * testsuite/Makefile.in: Rebuild.
3714
3715 2010-09-17  Doug Kwan  <dougkwan@google.com>
3716
3717         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3718         defintion if relocation uses GOT entries of the symbol.
3719         * testsuite/icf_safe_test.sh: Fix test.
3720         * testsuite/icf_safe_so_test.sh: Fix test.
3721
3722 2010-09-16  Cary Coutant  <ccoutant@google.com>
3723
3724         * script_sections.cc (class Memory_region): Remove "NULL" from
3725         vector initializations.
3726
3727 2010-09-15  Cary Coutant  <ccoutant@google.com>
3728
3729         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3730         Resolve forwarding symbols.
3731
3732 2010-09-15  Doug Kwan  <dougkwan@google.com>
3733
3734         * gold/testsuite/script_test_3.t: Add ARM special sections.
3735         * gold/testsuite/script_test_4.t: Same.
3736         * gold/testsuite/script_test_5.t: Same.
3737         * gold/testsuite/script_test_6.t: Same.
3738         * gold/testsuite/script_test_7.t: Same.
3739         * gold/testsuite/script_test_7.t: Same.
3740         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3741
3742 2010-09-14  Cary Coutant  <ccoutant@google.com>
3743
3744         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3745         (Target_x86_64::Relocate::relocate_tls): Replace check for
3746         saw_tls_block_reloc_ with test for executable section.
3747
3748 2010-09-12  Cary Coutant  <ccoutant@google.com>
3749
3750         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3751         position-independent executables to shared libraries need dynamic
3752         relocations.
3753         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3754         position-independent executables.
3755         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3756         * testsuite/Makefile.in: Regenerate.
3757
3758 2010-09-10  Nick Clifton  <nickc@redhat.com>
3759
3760         PR gold/11997
3761         * testsuite/memory_test.t: Discard any sections that are not
3762         needed.
3763
3764 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3765
3766         PR gold/11996
3767         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3768         "This::" to work around a bug in gcc 4.2.
3769
3770         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3771
3772 2010-09-09  Rafael Espindola  <espindola@google.com>
3773
3774         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3775         sections with different PF_X flags in the same segment.
3776         (Layout::find_first_load_seg): Search all segments to find the first
3777         one.
3778         * options.h (rosegment): New.
3779
3780 2010-09-08  Rafael Espindola  <espindola@google.com>
3781
3782         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3783
3784 2010-09-08  Doug Kwan  <dougkwan@google.com>
3785
3786         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3787         (Arm_relobj::do_relocate_sections): Add new parameter for output
3788         file to match the parent.
3789         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3790         of local symbols instead of input values.  Update code to track
3791         changes in gold::relocate_section.
3792         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3793         (Sized_relobj::compute_final_local_value_internal): New methods.
3794         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3795         body into private version of Sized_relobj::compute_final_local_value.
3796         Call the inline method.
3797         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3798         merged symbol value if there is one.
3799         (Symbol_value::has_output_value): New method defintiion.
3800         (Sized_relobj::Compute_final_local_value_status): New enum type.
3801         (Sized_relobj::compute_final_local_value): New methods.
3802         (Sized_relobj::compute_final_local_value_internal): New methods.
3803         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3804         and arm_cortex_a8.sh.
3805         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3806         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3807         New tests.
3808         * Makefile.in: Regenerate.
3809         * testsuite/arm_bl_out_of_range.s: Update test.
3810         * testsuite/thumb_bl_out_of_range.s: Ditto.
3811         * testsuite/thumb_blx_out_of_range.s: Ditto.
3812         * testsuite/arm_branch_out_of_range.sh: New file.
3813         * testsuite/arm_cortex_a8.sh: Ditto.
3814         * testsuite/arm_cortex_a8_b.s: Ditto.
3815         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3816         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3817         * testsuite/arm_cortex_a8_bl.s: Ditto.
3818         * testsuite/arm_cortex_a8_blx.s: Ditto.
3819         * testsuite/arm_cortex_a8_local.s: Ditto.
3820         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3821         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3822
3823 2010-09-08  Rafael Espindola  <espindola@google.com>
3824
3825         * Makefile.am (memory_test.stdout): Run readelf with -W.
3826         * Makefile.in: Regenerate.
3827         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3828         64 bit output.
3829
3830 2010-09-08  Rafael Espindola  <espindola@google.com>
3831
3832         * script-sections.cc (Script_sections::add_memory_region): Convert
3833         field precision to int.
3834         * script.cc (script_set_section_region, script_set_section_region):
3835         Convert field precision to int.
3836
3837 2010-09-08  Rafael Espindola  <espindola@google.com>
3838
3839         * arm.cc (do_finalize_sections): Create the __exidx_start and
3840         __exdix_end symbols even when the section is missing.
3841
3842 2010-09-08  Nick Clifton  <nickc@redhat.com>
3843
3844         * README: Remove claim that MEMORY is not supported.
3845         * expression.cc (script_exp_function_origin)
3846         (script_exp_function_length): Move from here to ...
3847         * script.cc: ... here.
3848         (script_set_section_region, script_add_memory)
3849         (script_parse_memory_attr, script_include_directive): New
3850         functions.
3851         * script-sections.cc
3852         (class Memory_region): New class.
3853         (class Output_section_definition): Add set_memory_region,
3854         set_section_vma, set_section_lma and get_section_name methods.
3855         (class Script_Sections): Add add_memory_region,
3856         find_memory_region, find_memory_region_origin,
3857         find_memory_region_length and set_memory_region methods.
3858         Have set_section_addresses method walk the list of set memory
3859         regions.
3860         Extend the print methos to display memory regions.
3861         * script-sections.h: Add prototypes for new methods.
3862         Add enum for MEMORY region attributes.
3863         * yyscript.y: Add support for parsing MEMORY regions.
3864         * script-c.h: Add prototypes for new functions.
3865         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3866         * testsuite/Makefile.in: Regenerate.
3867         * testsuite/memory_test.sh: New script.
3868         * testsuite/memory_test.s: New assembler source file.
3869         * testsuite/memory_test.t: New linker script.
3870
3871 2010-08-27  Doug Kwan  <dougkwan@google.com>
3872
3873         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3874         reference override an existing dynamic weak reference.
3875         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3876         * testsuite/Makefile.in: Regenerate.
3877         * testsuite/dyn_weak_ref.sh: New file.
3878         * testsuite/dyn_weak_ref_1.c: Ditto.
3879         * testsuite/dyn_weak_ref_2.c: Ditto.
3880
3881 2010-08-27  Ian Lance Taylor  <iant@google.com>
3882
3883         * incremental.h (class Incremental_input_entry): Add virtual
3884         destructor.
3885
3886 2010-08-27  Ian Lance Taylor  <iant@google.com>
3887
3888         * testsuite/start_lib_test_3.c: Mark t3 as used.
3889
3890 2010-08-27  Nick Clifton  <nickc@redhat.com>
3891
3892         * options.cc (version_script): Fix small typo in previous
3893         whitespace tidyup.
3894
3895 2010-08-25  Nick Clifton  <nickc@redhat.com>
3896
3897         * archive.cc: Formatting fixes: Remove whitespace between
3898         typename and following asterisk.  Remove whitespace between
3899         function name and opening parenthesis.
3900         * archive.h: Likewise.
3901         * arm.cc: Likewise.
3902         * attributes.cc: Likewise.
3903         * attributes.h: Likewise.
3904         * common.cc: Likewise.
3905         * copy-relocs.cc: Likewise.
3906         * dirsearch.h: Likewise.
3907         * dynobj.cc: Likewise.
3908         * ehframe.cc: Likewise.
3909         * ehframe.h: Likewise.
3910         * expression.cc: Likewise.
3911         * fileread.cc: Likewise.
3912         * fileread.h: Likewise.
3913         * gc.h: Likewise.
3914         * gold-threads.cc: Likewise.
3915         * gold.cc: Likewise.
3916         * i386.cc: Likewise.
3917         * icf.h: Likewise.
3918         * incremental-dump.cc: Likewise.
3919         * incremental.cc: Likewise.
3920         * layout.cc: Likewise.
3921         * layout.h: Likewise.
3922         * main.cc: Likewise.
3923         * merge.cc: Likewise.
3924         * merge.h: Likewise.
3925         * object.cc: Likewise.
3926         * object.h: Likewise.
3927         * options.cc: Likewise.
3928         * options.h: Likewise.
3929         * output.cc: Likewise.
3930         * output.h: Likewise.
3931         * plugin.cc: Likewise.
3932         * plugin.h: Likewise.
3933         * powerpc.cc: Likewise.
3934         * reloc.cc: Likewise.
3935         * script-c.h: Likewise.
3936         * script-sections.cc: Likewise.
3937         * script.cc: Likewise.
3938         * stringpool.cc: Likewise.
3939         * symtab.cc: Likewise.
3940         * symtab.h: Likewise.
3941         * target.cc: Likewise.
3942         * timer.cc: Likewise.
3943         * timer.h: Likewise.
3944         * version.cc: Likewise.
3945         * x86_64.cc: Likewise.
3946
3947 2010-08-24  Nick Clifton  <nickc@redhat.com>
3948
3949         PR 11899
3950         * layout.cc (segment_precedes): Sort segments by their physical
3951         addresses, if they have been set.
3952
3953 2010-08-23  Cary Coutant  <ccoutant@google.com>
3954
3955         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3956         symbols data.
3957         (Lib_group::include_member): Unlock object after deleting its
3958         symbols data.
3959         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3960         the bug fixed here.
3961
3962 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3963             Cary Coutant  <ccoutant@google.com>
3964
3965         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3966         constructor, and set_blocker.
3967         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3968         readsyms_blocker_.
3969         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3970         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3971         * testsuite/Makefile.am (start_lib_test): New test case.
3972         * testsuite/Makefile.in: Regenerate.
3973         * testsuite/start_lib_test_main.c: New file.
3974         * testsuite/start_lib_test_1.c: New file.
3975         * testsuite/start_lib_test_2.c: New file.
3976         * testsuite/start_lib_test_3.c: New file.
3977
3978 2010-08-19  Ian Lance Taylor  <iant@google.com>
3979
3980         * Makefile.in: Rebuild with automake 1.11.1.
3981         * aclocal.m4: Likewise.
3982         * testsuite/Makefile.in: Likewise.
3983
3984 2010-08-19  Ian Lance Taylor  <iant@google.com>
3985
3986         PR 10893
3987         * i386.cc (class Output_data_plt_i386): Update declarations.
3988         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3989         local_ifuncs_ fields.
3990         (Target_i386::do_plt_section_for_global): New function.
3991         (Target_i386::do_plt_section_for_local): New function.
3992         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3993         parameter; change all callers.  Initialize global_ifuncs_ and
3994         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3995         __rel_iplt_end.
3996         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3997         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3998         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3999         symbols.
4000         (Target_i386::make_plt_section): New function, broken out of
4001         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4002         (Target_i386::make_plt_entry): Call make_plt_section.
4003         (Target_i386::make_local_ifunc_plt_entry): New function.
4004         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4005         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4006         R_386_IRELATIVE to switch.
4007         (Target_i386::Scan::global): Likewise.
4008         (Target_i386::Relocate::relocate): Likewise.
4009         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4010         switch.
4011         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4012         (Target_x86_64::do_plt_section_for_global): New function.
4013         (Target_x86_64::do_plt_section_for_local): New function.
4014         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4015         parameter; change all callers.  If doing a static link define
4016         __rela_iplt_start and __rela_iplt_end.
4017         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4018         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4019         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4020         to point to .plt.
4021         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4022         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4023         switch.
4024         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4025         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4026         R_X86_64_IRELATIVE to switch.
4027         (Target_x86_64::Scan::global): Likewise.
4028         (Target_x86_64::Relocate::relocate): Likewise.
4029         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4030         switch.
4031         * target.h (class Target): Add plt_section_for_global and
4032         plt_section_for_local functions.  Add do_plt_section_for_global
4033         and do_plt_section_for_local virtual functions.
4034         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4035         clarifying comments.
4036         (Symbol::use_plt_offset): Handle IFUNC symbol.
4037         * object.cc (Sized_relobj::Sized_relobj): Initialize
4038         local_plt_offsets_.
4039         (Sized_relobj::local_has_plt_offset): New function.
4040         (Sized_relobj::local_plt_offset): New function.
4041         (Sized_relobj::set_local_plt_offset): New function.
4042         (Sized_relobj::do_count): Handle IFUNC symbol.
4043         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4044         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4045         is_ifunc_symbol functions.
4046         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4047         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4048         local_plt_offsets_ field.
4049         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4050         * output.h (class Output_section_data): Add non-const
4051         output_section function.
4052         (class Output_data_got): Update declarations.
4053         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4054         Add use_plt_offset parameter to global and local constructors.
4055         Change all callers.  Change local_sym_index_ field to 31 bits.
4056         Change GSYM_CODE and CONSTANT_CODE accordingly.
4057         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4058         doing a static link don't set sh_link field.
4059         (Output_data_got::Got_entry::write): Use PLT offset if
4060         appropriate.
4061         (Output_data_got::add_global_plt): New function.
4062         (Output_data_got::add_local_plt): New function.
4063         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4064         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4065         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4066         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4067         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4068         IFUNC conditional.
4069         * testsuite/ifunc-sel.h: New file.
4070         * testsuite/ifuncmain1.c: New file.
4071         * testsuite/ifuncmain1vis.c: New file.
4072         * testsuite/ifuncmod1.c: New file.
4073         * testsuite/ifuncdep2.c: New file.
4074         * testsuite/ifuncmain2.c: New file.
4075         * testsuite/ifuncmain3.c: New file.
4076         * testsuite/ifuncmod3.c: New file.
4077         * testsuite/ifuncmain4.c: New file.
4078         * testsuite/ifuncmain5.c: New file.
4079         * testsuite/ifuncmod5.c: New file.
4080         * testsuite/ifuncmain6pie.c: New file.
4081         * testsuite/ifuncmod6.c: New file.
4082         * testsuite/ifuncmain7.c: New file.
4083         * configure, testsuite/Makefile.in: Rebuild.
4084
4085 2010-08-18  Ian Lance Taylor  <iant@google.com>
4086
4087         * incremental.cc
4088         (Output_section_incremental_inputs::write_input_files): Add cast
4089         to avoid signed/unsigned comparison warning.
4090         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4091
4092 2010-08-12  Cary Coutant  <ccoutant@google.com>
4093
4094         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4095
4096 2010-08-13  Ian Lance Taylor  <iant@google.com>
4097
4098         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4099
4100 2010-08-12  Cary Coutant  <ccoutant@google.com>
4101             Doug Kwan  <dougkwan@google.com>
4102
4103         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4104         defintion overrides non-weak undef, remember that the original undef
4105         is not weak.
4106         * symtab.cc (Symbol_table::sized_write_global): For undef without
4107         an original weak binding, set binding to global in output.
4108         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4109         * testsuite/Makefile.in: Regenerate.
4110         * testsuite/strong_ref_weak_def.sh: New file.
4111         * testsuite/strong_ref_weak_def_1.c: Ditto.
4112         * testsuite/strong_ref_weak_def_2.c: Ditto.
4113
4114 2010-08-12  Cary Coutant  <ccoutant@google.com>
4115
4116         * testsuite/incremental_test.sh: Rewrite.
4117         * testsuite/incremental_test_1.c: Rewrite.
4118         * testsuite/incremental_test_2.c: Rewrite.
4119
4120 2010-08-12  Cary Coutant  <ccoutant@google.com>
4121
4122         * arm.cc (Target_arm::got_size): Add const.
4123         (Target_arm::got_entry_count): New function.
4124         (Target_arm::plt_entry_count): New function.
4125         (Target_arm::first_plt_entry_offset): New function.
4126         (Target_arm::plt_entry_size): New function.
4127         (Output_data_plt_arm::entry_count): New function.
4128         (Output_data_plt_arm::first_plt_entry_offset): New function.
4129         (Output_data_plt_arm::get_plt_entry_size): New function.
4130         * i386.cc (Target_i386::got_size): Add const.
4131         (Target_i386::got_entry_count): New function.
4132         (Target_i386::plt_entry_count): New function.
4133         (Target_i386::first_plt_entry_offset): New function.
4134         (Target_i386::plt_entry_size): New function.
4135         (Output_data_plt_i386::entry_count): New function.
4136         (Output_data_plt_i386::first_plt_entry_offset): New function.
4137         (Output_data_plt_i386::get_plt_entry_size): New function.
4138         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4139         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4140         * incremental.cc: Include target.h.
4141         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4142         parameter.  Adjust all callers.  Find incremental_got_plt section.
4143         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4144         section.
4145         (Output_section_incremental_inputs::set_final_data_size): Calculate
4146         size of incremental_got_plt section.
4147         (Output_section_incremental_inputs::do_write): Write the
4148         incremental_got_plt section.
4149         (Got_plt_view_info): New struct.
4150         (Local_got_offset_visitor): New class.
4151         (Global_got_offset_visitor): New class.
4152         (Global_symbol_visitor_got_plt): New class.
4153         (Output_section_incremental_inputs::write_got_plt): New function.
4154         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4155         Add parameter.  Adjust all callers.
4156         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4157         (Incremental_inputs::got_plt_section): New function.
4158         (Incremental_inputs::got_plt_section_): New data member.
4159         (Incremental_got_plt_reader): New class.
4160         * layout.cc (Layout::create_incremental_info_sections): Add the
4161         incremental_got_plt section.
4162         * object.h (Got_offset_list::get_list): New function.
4163         (Got offset_list::for_all_got_offsets): New function.
4164         (Sized_relobj::local_got_offset_list): New function.
4165         * powerpc.cc (Target_powerpc::got_size): Add const.
4166         (Target_powerpc::got_entry_count): New function.
4167         (Target_powerpc::plt_entry_count): New function.
4168         (Target_powerpc::first_plt_entry_offset): New function.
4169         (Target_powerpc::plt_entry_size): New function.
4170         (Output_data_plt_powerpc::entry_count): New function.
4171         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4172         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4173         * sparc.cc (Target_sparc::got_size): Add const.
4174         (Target_sparc::got_entry_count): New function.
4175         (Target_sparc::plt_entry_count): New function.
4176         (Target_sparc::first_plt_entry_offset): New function.
4177         (Target_sparc::plt_entry_size): New function.
4178         (Output_data_plt_sparc::entry_count): New function.
4179         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4180         (Output_data_plt_sparc::get_plt_entry_size): New function.
4181         * symtab.h (Symbol::got_offset_list): New function.
4182         (Symbol_table::for_all_symbols): New function.
4183         * target.h (Sized_target::got_entry_count): New function.
4184         (Sized_target::plt_entry_count): New function.
4185         (Sized_target::plt_entry_size): New function.
4186         * x86_64.cc (Target_x86_64::got_size): Add const.
4187         (Target_x86_64::got_entry_count): New function.
4188         (Target_x86_64::plt_entry_count): New function.
4189         (Target_x86_64::first_plt_entry_offset): New function.
4190         (Target_x86_64::plt_entry_size): New function.
4191         (Output_data_plt_x86_64::entry_count): New function.
4192         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4193         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4194
4195 2010-08-12  Cary Coutant  <ccoutant@google.com>
4196
4197         * archive.cc: Include incremental.h.
4198         (Archive::Archive): Initialize incremental_info_.
4199         (Archive::include_member): Record archive members in incremental info.
4200         (Add_archive_symbols::run): Record begin and end of an archive in
4201         incremental info.
4202         (Lib_group::include_member): Record objects in incremental info.
4203         * archive.h (Incremental_archive_entry): Forward declaration.
4204         (Archive::set_incremental_info): New member function.
4205         (Archive::incremental_info): New member function.
4206         (Archive::Unused_symbol_iterator): New class.
4207         (Archive::unused_symbols_begin): New member function.
4208         (Archive::unused_symbols_end): New member function.
4209         (Archive::incremental_info_): New data member.
4210         * incremental-dump.cc (find_input_containing_global): New function.
4211         (dump_incremental_inputs): Dump new incremental info sections.
4212         * incremental.cc: Include symtab.h.
4213         (Output_section_incremental_inputs): New class.
4214         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4215         new incremental info sections.
4216         (Sized_incremental_binary::do_check_inputs): Likewise.
4217         (Incremental_inputs::report_archive): Remove.
4218         (Incremental_inputs::report_archive_begin): New function.
4219         (Incremental_inputs::report_archive_end): New function.
4220         (Incremental_inputs::report_object): New function.
4221         (Incremental_inputs::finalize_inputs): Remove.
4222         (Incremental_inputs::report_input_section): New function.
4223         (Incremental_inputs::report_script): Rewrite.
4224         (Incremental_inputs::finalize): Do nothing but finalize string table.
4225         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4226         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4227         (Incremental_inputs::create_data_sections): New function.
4228         (Incremental_inputs::relocs_entsize): New function.
4229         (Output_section_incremental_inputs::set_final_data_size): New function.
4230         (Output_section_incremental_inputs::do_write): New function.
4231         (Output_section_incremental_inputs::write_header): New function.
4232         (Output_section_incremental_inputs::write_input_files): New function.
4233         (Output_section_incremental_inputs::write_info_blocks): New function.
4234         (Output_section_incremental_inputs::write_symtab): New function.
4235         * incremental.h (Incremental_script_entry): Forward declaration.
4236         (Incremental_object_entry): Forward declaration.
4237         (Incremental_archive_entry): Forward declaration.
4238         (Incremental_inputs): Forward declaration.
4239         (Incremental_inputs_header_data): Remove.
4240         (Incremental_inputs_header): Remove.
4241         (Incremental_inputs_header_write): Remove.
4242         (Incremental_inputs_entry_data): Remove.
4243         (Incremental_inputs_entry): Remove.
4244         (Incremental_inputs_entry_write): Remove.
4245         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4246         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4247         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4248         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4249         Likewise.
4250         (Incremental_input_entry): New class.
4251         (Incremental_script_entry): New class.
4252         (Incremental_object_entry): New class.
4253         (Incremental_archive_entry): New class.
4254         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4255         (Incremental_inputs::report_inputs): Remove.
4256         (Incremental_inputs::report_archive): Remove.
4257         (Incremental_inputs::report_archive_begin): New function.
4258         (Incremental_inputs::report_archive_end): New function.
4259         (Incremental_inputs::report_object): Change prototype.
4260         (Incremental_inputs::report_input_section): New function.
4261         (Incremental_inputs::report_script): Change prototype.
4262         (Incremental_inputs::get_reloc_count): New function.
4263         (Incremental_inputs::set_reloc_count): New function.
4264         (Incremental_inputs::create_data_sections): New function.
4265         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4266         (Incremental_inputs::inputs_section): New function.
4267         (Incremental_inputs::symtab_section): New function.
4268         (Incremental_inputs::relocs_section): New function.
4269         (Incremental_inputs::get_stringpool): Add const.
4270         (Incremental_inputs::command_line): Add const.
4271         (Incremental_inputs::inputs): Remove.
4272         (Incremental_inputs::command_line_key): New function.
4273         (Incremental_inputs::input_file_count): New function.
4274         (Incremental_inputs::input_files): New function.
4275         (Incremental_inputs::relocs_entsize): New function.
4276         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4277         (Incremental_inputs::finalize_inputs): Remove.
4278         (Incremental_inputs::Input_info): Remove.
4279         (Incremental_inputs::lock_): Remove.
4280         (Incremental_inputs::inputs_): Change type.
4281         (Incremental_inputs::inputs_map_): Remove.
4282         (Incremental_inputs::current_object_entry_): New data member.
4283         (Incremental_inputs::inputs_section_): New data member.
4284         (Incremental_inputs::symtab_section_): New data member.
4285         (Incremental_inputs::relocs_section_): New data member.
4286         (Incremental_inputs::reloc_count_): New data member.
4287         (Incremental_inputs_reader): New class.
4288         (Incremental_symtab_reader): New class.
4289         (Incremental_relocs_reader): New class.
4290         * layout.cc (Layout::finalize): Move finalization of incremental info
4291         and creation of incremental info sections to follow finalization of
4292         symbol table.  Set offsets for postprocessing sections.
4293         (Layout::create_incremental_info_sections): Call
4294         Incremental_inputs::create_data_sections.  Add incremental symtab
4295         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4296         sections to layout after input sections.
4297         * layout.h (struct Timespec): Forward declaration.
4298         (Layout::incremental_inputs): Add const.
4299         (Layout::create_incremental_info_sections): Add parameter.
4300         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4301         * object.cc: Include incremental.h.
4302         (Relobj::finalize_incremental_relocs): New function.
4303         (Sized_relobj::do_layout): Record input sections in incremental info.
4304         * object.h (Object::output_section): New function.
4305         (Object::output_section_offset): Moved from Relobj.
4306         (Object::get_incremental_reloc_base): New function.
4307         (Object::get_incremental_reloc_count): New function.
4308         (Object::do_output_section): New function.
4309         (Object::do_output_section_offset): Moved from Relobj.
4310         (Object::do_get_incremental_reloc_base): New function.
4311         (Object::do_get_incremental_reloc_count): New function.
4312         (Object::Object): Initialize new data members.
4313         (Relobj::output_section): Renamed do_output_section and moved to
4314         protected.
4315         (Relobj::output_section_offset): Moved to Object.
4316         (Relobj::do_get_incremental_reloc_base): New function.
4317         (Relobj::do_get_incremental_reloc_count): New function.
4318         (Relobj::allocate_incremental_reloc_counts): New function.
4319         (Relobj::count_incremental_reloc): New function.
4320         (Relobj::finalize_incremental_relocs): New function.
4321         (Relobj::next_incremental_reloc_index): New function.
4322         (Relobj::reloc_counts_): New data member.
4323         (Relobj::reloc_bases_): New data member.
4324         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4325         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4326         (Sized_relobj::incremental_relocs_scan): New function.
4327         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4328         (Sized_relobj::incremental_relocs_write): New function.
4329         (Sized_relobj::incremental_relocs_write_reltype): New function.
4330         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4331         incremental link.
4332         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4333         archives and object files elsewhere.
4334         (Add_symbols::run): Report object files here.
4335         (Finish_group::run): Report end of archive at end of group.
4336         * reloc.cc: Include layout.h, incremental.h.
4337         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4338         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4339         (Sized_relobj::incremental_relocs_scan): New function.
4340         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4341         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4342         (Sized_relobj::incremental_relocs_write): New function.
4343         (Sized_relobj::incremental_relocs_write_reltype): New function.
4344         * script.cc (read_input_script): Rewrite test for incremental link.
4345         Change call to Incremental_inputs::report_script.
4346         * symtab.h (Symbol_table::first_global_index): New function.
4347         (Symbol_table::output_count): New function.
4348
4349 2010-08-12  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Target_arm::merge_object_attributes): Check command line
4352         options --no-wchar-size-warning and --no-enum-size-warning.
4353         * options.h (General_options): Add ld-compatible options
4354         --no-enum-size-warning and --no-wchar-size-warning.
4355
4356 2010-08-04  Ian Lance Taylor  <iant@google.com>
4357
4358         * x86_64.cc (Target_x86_64::Scan::local): Use
4359         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4360         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4361         (Target_x86_64::Scan::global): Likewise.
4362         (Target_x86_64::Relocate::relocate): Likewise.
4363         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4364         Likewise.
4365
4366 2010-08-03  Cary Coutant  <ccoutant@google.com>
4367
4368         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4369         to reserve space in merged_strings vector. Keep total input size
4370         for stats.
4371         (Output_merge_string::do_print_merge_stats): Print total input size.
4372         * merge.h (Output_merge_string): Add input_size_ field.
4373         * stringpool.cc (Stringpool_template::string_length): Move
4374         implementations out of Stringpool_template class and place in
4375         stringpool.h.
4376         * stringpool.h (string_length): Move out of Stringpool_template.
4377
4378 2010-08-03  Ian Lance Taylor  <iant@google.com>
4379
4380         PR 11712
4381         * layout.cc (relaxation_loop_body): If address of load segment is
4382         set, adjust address to include headers if possible.
4383
4384 2010-08-03  Ian Lance Taylor  <iant@google.com>
4385
4386         * version.cc (version_string): Bump to 1.10.
4387
4388 2010-08-03  Ian Lance Taylor  <iant@google.com>
4389
4390         PR 11805
4391         * layout.h (enum Output_section_order): Define.
4392         (class Layout): Update declarations.
4393         * layout.cc (Layout::get_output_section): Add order parameter.
4394         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4395         is_first_non_relro parameters.  Change all callers.
4396         (Layout::choose_output_section): Likewise.
4397         (Layout::add_output_section_data): Likewise.
4398         (Layout::make_output_section): Likewise.  Set order.
4399         (Layout::default_section_order): New function.
4400         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4401         * output.cc (Output_section::Output_section): Initialize order_.
4402         Don't initialize deleted fields.
4403         (Output_segment::Output_segment): Don't initialize deleted
4404         fields.
4405         (Output_segment::add_output_section_to_load): New function
4406         replacing add_output_section.  Change all callers to call this or
4407         add_output_section_to_nonload.
4408         (Output_segment::add_output_section_to_nonload): New function.
4409         (Output_segment::remove_output_section): Rewrite.
4410         (Output_segment::add_initial_output_data): Likewise.
4411         (Output_segment::has_any_data_sections): Likewise.
4412         (Output_segment::is_first_section_relro): Likewise.
4413         (Output_segment::maximum_alignment): Likewise.
4414         (Output_segment::has_dynamic_reloc): New function replacing
4415         dynamic_reloc_count.  Change all callers.
4416         (Output_segment::has_dynamic_reloc_list): New function replacing
4417         dynamic_reloc_count_list.  Change all callers.
4418         (Output_segment::set_section_addresses): Rewrite.
4419         (Output_segment::set_offset): Rewrite.
4420         (Output_segment::find_first_and_last_list): Remove.
4421         (Output_segment::set_tls_offsets): Rewrite.
4422         (Output_segment::first_section_load_address): Likewise.
4423         (Output_segment::output_section_count): Likewise.
4424         (Output_segment::section_with_lowest_load_address): Likewise.
4425         (Output_segment::write_section_headers): Likewise.
4426         (Output_segment::print_sections_to_map): Likewise.
4427         * output.h (class Output_data): Remove dynamic_reloc_count_
4428         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4429         (Output_data::add_dynamic_reloc): Rewrite.
4430         (Output_data::has_dynamic_reloc): New function.
4431         (Output_data::dynamic_reloc_count): Remove.
4432         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4433         is_last_relro_, is_first_non_relro_, is_interp_,
4434         is_dynamic_linker_section_ fields.  Add order and set_order
4435         functions.  Remove is_relro_local, set_is_relro_local,
4436         is_last_relro, set_is_last_relro, is_first_non_relro,
4437         set_is_first_non_relro functions, is_interp, set_is_interp,
4438         is_dynamic_linker_section, and set_is_dynamic_linker_section
4439         functions.
4440         (class Output_segment): Change Output_data_list from std::list to
4441         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4442         output_bss_ fields.  Update declarations.
4443
4444 2010-08-02  Ian Lance Taylor  <iant@google.com>
4445
4446         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4447         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4448         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4449
4450 2010-08-02  Ian Lance Taylor  <iant@google.com>
4451
4452         PR 11855
4453         * script.cc (Script_options::Script_options): Initialize
4454         symbol_definitions_ and symbol_references_.
4455         (Script_options::add_symbol_assignment): Update
4456         symbol_definitions_ and symbol_references_.
4457         (Script_options::add_symbol_reference): New function.
4458         (script_symbol): New function.
4459         * script.h (class Script_options): Add symbol_definitions_ and
4460         symbol_references_ fields.
4461         (Script_options::referenced_const_iterator): New type.
4462         (Script_options::referenced_begin): New function.
4463         (Script_options::referenced_end): New function.
4464         (Script_options::is_referenced): New function.
4465         (Script_options::any_unreferenced): New function.
4466         * script-c.h (script_symbol): Declare.
4467         * yyscript.y (exp): Call script_symbol.
4468         * symtab.cc: Include "script.h".
4469         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4470         Change all callers.  Check symbols referenced by scripts.
4471         (Symbol_table::add_undefined_symbols_from_command_line): Add
4472         layout parameter.  Change all callers.
4473         (Symbol_table::do_add_undefined_symbols_from_command_line):
4474         Likewise.  Break out loop body.  Check symbols referenced by
4475         scripts.
4476         (Symbol_table::add_undefined_symbol_from_command_line): New
4477         function broken out of
4478         do_add_undefined_symbols_from_command_line.
4479         * symtab.h (class Symbol_table): Update declarations.
4480         * archive.cc: Include "layout.h".
4481         (Archive::should_include_member): Add layout parameter.  Change
4482         all callers.  Check for symbol mentioned in expression.
4483         * archive.h (class Archive): Update declaration.
4484         * object.cc (Sized_relobj::do_should_include_member): Add layout
4485         parameter.
4486         * object.h (Object::should_include_member): Add layout parameter.
4487         Change all callers.
4488         (Object::do_should_include_member): Add layout parameter.
4489         (class Sized_relobj): Update declaration.
4490         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4491         parameter.
4492         * dynobj.h (class Sized_dynobj): Update declaration.
4493         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4494         layout parameter.
4495         * plugin.h (class Sized_pluginobj): Update declaration.
4496
4497 2010-08-02  Ian Lance Taylor  <iant@google.com>
4498
4499         PR 11866
4500         * output.cc (Output_segment::set_offset): Search for the first and
4501         last sections rather than assuming that the list is in order.
4502         (Output_segment::find_first_and_last_list): New function.
4503         * output.h (class Output_segment): Update declarations.
4504         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4505         (relro_strip_test_SOURCES): New variable.
4506         (relro_strip_test_DEPENDENCIES): New variable.
4507         (relro_strip_test_LDFLAGS): New variable.
4508         (relro_strip_test_LDADD): New variable.
4509         (relro_strip_test.so): New target.
4510
4511 2010-08-02  Ian Lance Taylor  <iant@google.com>
4512
4513         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4514         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4515         (Target_i386::got_tlsdesc_section): New function.
4516         (Target_i386::got_section): Create space for GOT entries for
4517         TLSDESC relocations.
4518         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4519         R_386_TLS_GOTDESC.
4520         (Target_i386::Scan::global): Likewise.
4521         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4522         using TLSDESC GOT.
4523         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4524         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4525         (Target_x86_64::got_tlsdesc_section): New function.
4526         (Target_x86_64::got_section): Create space for GOT entries for
4527         TLSDESC relocations.
4528         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4529         R_386_TLS_GOTDESC.
4530         (Target_x86_64::Scan::global): Likewise.
4531         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4532         using TLSDESC GOT.
4533
4534 2010-08-02  Ian Lance Taylor  <iant@google.com>
4535
4536         * testsuite/final_layout.sh: Use dc to convert from hex to
4537         decimal.
4538
4539 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4540
4541         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4542         paramter to the call to gold::gc_process_relocs.
4543         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4544         paramter to the call to gold::gc_process_relocs.
4545         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4546         parameter to the call to gold::gc_process_relocs.
4547         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4548         template parameter to the call to gold::gc_process_relocs.
4549         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4550         paramter to the call to gold::gc_process_relocs.
4551         * gc.h (get_embedded_addend_size): New function.
4552         (gc_process_relocs): Save the size of the reloc for use by ICF.
4553         * icf.cc (get_section_contents): Get the addend from the text section
4554         for SHT_REL relocation sections.
4555         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4556         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4557         * int_encoding.h (read_from_pointer): New overloaded function.
4558         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4559         * testsuite/icf_sht_rel_addend_test.sh: New file.
4560         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4561         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4562
4563 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4564
4565         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4566         * Makefile.in: Regenerate.
4567         * testsuite/Makefile.in: Regenerate.
4568
4569 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4570
4571         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4572         * gold/testsuite/debug_msg.cc: Likewise.
4573         * gold/testsuite/odr_violation1.cc
4574         * gold/testsuite/odr_violation2.cc
4575
4576 2010-07-21  Cary Coutant  <ccoutant@google.com>
4577
4578         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4579         string, and length fields.
4580         (Output_merge_string::Merged_strings_list): New type.
4581         (Output_merge_string::Merged_strings_lists): New typedef.
4582         (Output_merge_string): Replace merged_strings_ with
4583         merged_strings_lists_.
4584         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4585         Merged_strings_list per input object and section.  Don't store pointer
4586         to the string.  Don't store length with each merged string entry.
4587         (Output_merge_string::finalize_merged_data): Loop over list of merged
4588         strings lists.  Recompute length of each merged string.
4589
4590 2010-07-15  Cary Coutant  <ccoutant@google.com>
4591
4592         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4593         here.
4594
4595 2010-07-14  Ian Lance Taylor  <iant@google.com>
4596
4597         * descriptors.cc (Descriptors::open): Report correct name in error
4598         message.
4599
4600 2010-07-13  Doug Kwan  <dougkwan@google.com>
4601
4602         * arm.cc (Arm_input_section::Arm_input_section): For a
4603         SHT_ARM_EXIDX section, always keeps the input sections.
4604         (Arm_input_section::set_exidx_section_link): New method.
4605         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4606         has_errors_ to false.
4607         (Arm_exidx_input_section::has_errors,
4608         Arm_exidx_input_section::set_has_errors): New methods.
4609         (Arm_exidx_input_section::has_errors_): New data member.
4610         (Arm_relobj::get_exidx_shndx_list): New method.
4611         (Arm_output_section::append_text_sections_to_list): Do not skip
4612         section without SHF_EXECINSTR.
4613         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4614         errors.
4615         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4616         section header.  Make error messages more verbose.  Check for
4617         a non-executable section linked to an EXIDX section.
4618         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4619         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4620         check that there is no deferred EXIDX section if we exit early.
4621         Instead of not making an EXIDX section in case of an error, make one
4622         and set the has_errors flag of it.
4623         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4624         in a relocatable link.
4625         (Target_arm::do_relax): Look for the EXIDX output section instead of
4626         assuming that it is called .ARM.exidx.
4627         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4628         section list.  Do not check for SHF_EXECINSTR section flags but
4629         skip any input section with errors.
4630         * output.cc (Output_section::Output_section): Initialize
4631         always_keeps_input_sections_ to false.
4632         (Output_section::add_input_section): Check for
4633         always_keeps_input_sections_.
4634         *  output.h (Output_section::always_keeps_input_sections,
4635         Output_section::set_always_keeps_input_sections): New methods.
4636         (Output_section::always_keeps_input_sections): New data member.
4637
4638 2010-07-13  Rafael Espindola  <espindola@google.com>
4639
4640         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4641         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4642
4643 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4644             Ian Lance Taylor  <iant@google.com>
4645
4646         * output.h (Output_section_lookup_maps::add_merge_section):
4647         Correct check of whether value was inserted.
4648         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4649         (Output_section_lookup_maps::add_relaxed_input_section):
4650         Likewise.
4651         * arm.cc (Target_arm::got_section): Remove used local os.
4652         * i386.cc (Target_i386::got_section): Likewise.
4653         * x86_64.cc (Target_x86_64::got_section): Likewise.
4654         * sparc.cc (Target_sparc::got_section): Likewise.
4655         (Target_sparc::relocate): Remove unused local have_got_offset.
4656         * powerpc.cc (Target_powerpc::relocate): Likewise.
4657
4658 2010-07-13  Ian Lance Taylor  <iant@google.com>
4659
4660         * compressed_output.cc (zlib_decompress): Fix signature in
4661         !HAVE_ZLIB_H case.
4662
4663         * archive.cc (Archive::include_member): Unlock an external member
4664         of a thin archive.  Don't bother to delete an object we know is
4665         NULL.
4666
4667 2010-07-12  Cary Coutant  <ccoutant@google.com>
4668
4669         * compressed_output.cc (zlib_decompress): New function.
4670         (get_uncompressed_size): New function.
4671         (decompress_input_section): New function.
4672         * compressed_output.h (get_uncompressed_size): New function.
4673         (decompress_input_section): New function.
4674         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4675         Handle compressed debug sections.
4676         * layout.cc (is_compressed_debug_section): New function.
4677         (Layout::output_section_name): Map compressed section names to
4678         canonical names.
4679         * layout.h (is_compressed_debug_section): New function.
4680         (is_debug_info_section): Recognize compressed debug sections.
4681         * merge.cc: Include compressed_output.h.
4682         (Output_merge_data::do_add_input_section): Handle compressed
4683         debug sections.
4684         (Output_merge_string::do_add_input_section): Handle compressed
4685         debug sections.
4686         * object.cc: Include compressed_output.h.
4687         (Sized_relobj::Sized_relobj): Initialize new data members.
4688         (build_compressed_section_map): New function.
4689         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4690         * object.h (Object::section_is_compressed): New method.
4691         (Object::do_section_is_compressed): New method.
4692         (Sized_relobj::Compressed_section_map): New type.
4693         (Sized_relobj::do_section_is_compressed): New method.
4694         (Sized_relobj::compressed_sections_): New data member.
4695         * output.cc (Output_section::add_input_section): Handle compressed
4696         debug sections.
4697         * reloc.cc: Include compressed_output.h.
4698         (Sized_relobj::write_sections): Handle compressed debug sections.
4699
4700 2010-07-08  Cary Coutant  <ccoutant@google.com>
4701
4702         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4703         weak when resolving to a dynamic def.
4704         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4705         for weak undef/dynamic def cases. Adjust callers.
4706         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4707         undef_binding_weak_.
4708         (Symbol_table::sized_write_globals): Adjust symbol binding.
4709         (Symbol_table::sized_write_symbol): Add binding parameter.
4710         * symtab.h (Symbol::set_undef_binding): New method.
4711         (Symbol::is_undef_binding_weak): New method.
4712         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4713         (Symbol_table::should_override): Add new parameter.
4714         (Symbol_table::sized_write_symbol): Add new parameter.
4715
4716         * testsuite/weak_undef_file1.cc: Add new test case.
4717         * testsuite/weak_undef_file2.cc: Fix header comment.
4718         * testsuite/weak_undef_test.cc: Add new test case.
4719
4720 2010-06-29  Doug Kwan  <dougkwan@google.com>
4721
4722         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4723         Initialize USE_SYMBOL_.
4724         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4725         definition.
4726         (Arm_reloc_property::uses_symbol_): New data member declaration.
4727         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4728         uses symbol value and symbol is undefined but not weakly undefined.
4729
4730 2010-06-28  Rafael Espindola  <espindola@google.com>
4731
4732         * plugin.cc (Plugin::load): Use dlerror.
4733
4734 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4735
4736         * symtab.cc (detect_odr_violations): When reporting an ODR
4737         violation, report an object where the symbol is defined.
4738
4739 2010-06-25  Doug Kwan  <dougkwan@google.com>
4740
4741         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4742         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4743         definition.
4744         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4745         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4746         target hook to detect function points.
4747         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4748         * icf.h (Icf::check_section_for_function_pointers): Change type of
4749         parameter SECTION_NAME to const reference to std::string.  Use
4750         target hook to determine if section may have unsafe pointers.
4751         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4752         method definition.
4753
4754 2010-06-21  Rafael Espindola  <espindola@google.com>
4755
4756         * fileread.cc (Input_file::find_fie): New
4757         (Input_file::open): Use Input_file::find_fie.
4758         * fileread.h (Input_file::find_fie): New
4759         * plugin.cc (set_extra_library_path): New.
4760         (Plugin::load): Add set_extra_library_path to the transfer vector.
4761         (Plugin_manager::set_extra_library_path): New.
4762         (Plugin_manager::add_input_file): Use the extra search path if set.
4763         (set_extra_library_path(): New.
4764         * plugin.h (Plugin_manager): Add set_extra_library_path and
4765         extra_search_path_.
4766
4767 2010-06-19  Cary Coutant  <ccoutant@google.com>
4768
4769         * layout.cc (gdb_sections): Add .debug_types.
4770         (lines_only_debug_sections): Likewise.
4771
4772 2010-06-18  Rafael Espindola  <espindola@google.com>
4773
4774         * plugin.cc (add_input_file,add_input_library)
4775         (Plugin_manager::add_input_file): Make filename arguments const.
4776         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4777         const.
4778
4779 2010-06-16  Doug Kwan  <dougkwan@google.com>
4780
4781         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4782         .ARM.attributes section if we have not merged any input
4783         attributes sections.
4784
4785 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4786
4787         * arm.cc: Allow combining objects with no EABI version
4788         information.
4789
4790 2010-06-15  Rafael Espindola  <espindola@google.com>
4791
4792         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4793
4794 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4795
4796         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4797         (struct iovec): Correct !HAVE_READV definition.
4798
4799 2010-06-10  Cary Coutant  <ccoutant@google.com>
4800
4801         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4802         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4803         reloc sections.
4804         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4805
4806         PR 11683
4807         * symtab.h (Symbol::is_placeholder): New member function.
4808         * target-reloc.h (relocate_section): Check for placeholder symbols.
4809
4810         * testsuite/Makefile.am (plugin_test_8): New test.
4811         (plugin_test_9): New test.
4812         * testsuite/Makefile.in: Regenerate.
4813
4814 2010-06-09  Nick Clifton  <nickc@redhat.com>
4815
4816         * yyscript.y (input_list_element): Allow strings prefixed with
4817         the '-' character.  Treat these as libraries.
4818         * script.cc (script_add_library): New function.  Adds a library
4819         specified by "-l<name>" found in an input script.
4820         * script-c.h: Add prototype for script_add_library.
4821
4822 2010-06-07  Doug Kwan  <dougkwan@google.com>
4823
4824         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4825         Restrict stub-group size to be within long conditional branch
4826         range when working around cortex-A8 erratum.
4827
4828 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4829
4830         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4831         #ifdef typo.
4832
4833 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4834
4835         PR gold/11658
4836         * output.cc
4837         (Output_section::Input_section_sort_entry::compare_section_ordering):
4838         Change to return non-zero correctly.
4839         (Output_section::Input_section_sort_section_order_index_compare
4840         ::operator()): Change to fix ambiguity in comparisons.
4841
4842 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4843
4844         * gold.h (is_wildcard_string): New function.
4845         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4846         (Layout::layout_eh_frame): Ditto.
4847         (Layout::find_section_order_index): New method.
4848         (Layout::read_layout_from_file): New method.
4849         * layout.h (Layout::find_section_order_index): New method.
4850         (Layout::read_layout_from_file): New method.
4851         (Layout::input_section_position_): New private member.
4852         (Layout::input_section_glob_): New private member.
4853         * main.cc (main): Call read_layout_from_file here.
4854         * options.h (--section-ordering-file): New option.
4855         * output.cc (Output_section::input_section_order_specified_): New
4856         member.
4857         (Output_section::Output_section): Initialize new member.
4858         (Output_section::add_input_section): Add new parameter.
4859         Keep input sections when --section-ordering-file is used.
4860         (Output_section::set_final_data_size): Sort input sections when
4861         section ordering file is specified.
4862         (Output_section::Input_section_sort_entry): Add new parameter.
4863         Check sorting type.
4864         (Output_section::Input_section_sort_entry::compare_section_ordering):
4865         New method.
4866         (Output_section::Input_section_sort_compare::operator()): Change to
4867         consider section_order_index.
4868         (Output_section::Input_section_sort_init_fini_compare::operator()):
4869         Change to consider section_order_index.
4870         (Output_section::Input_section_sort_section_order_index_compare
4871         ::operator()): New method.
4872         (Output_section::sort_attached_input_sections): Change to sort
4873         according to section order when specified.
4874         (Output_section::add_input_section<32, true>): Add new parameter.
4875         (Output_section::add_input_section<64, true>): Add new parameter.
4876         (Output_section::add_input_section<32, false>): Add new parameter.
4877         (Output_section::add_input_section<64, false>): Add new parameter.
4878         * output.h (Output_section::add_input_section): Add new parameter.
4879         (Output_section::input_section_order_specified): New
4880         method.
4881         (Output_section::set_input_section_order_specified): New method.
4882         (Input_section::Input_section): Initialize section_order_index_.
4883         (Input_section::section_order_index): New method.
4884         (Input_section::set_section_order_index): New method.
4885         (Input_section::section_order_index_): New member.
4886         (Input_section::Input_section_sort_section_order_index_compare): New
4887         struct.
4888         (Output_section::input_section_order_specified_): New member.
4889         * script-sections.cc (is_wildcard_string): Delete and move modified
4890         method to gold.h.
4891         (Output_section_element_input::Output_section_element_input): Modify
4892         call to is_wildcard_string.
4893         (Output_section_element_input::Input_section_pattern
4894         ::Input_section_pattern): Ditto.
4895         (Output_section_element_input::Output_section_element_input): Ditto.
4896         * testsuite/Makefile.am (final_layout): New test case.
4897         * testsuite/Makefile.in: Regenerate.
4898         * testsuite/final_layout.cc: New file.
4899         * testsuite/final_layout.sh: New file.
4900
4901 2010-06-01  Rafael Espindola  <espindola@google.com>
4902
4903         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4904
4905 2010-06-01  Rafael Espindola  <espindola@google.com>
4906
4907         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4908         visibility of symbols.
4909
4910 2010-05-27  Doug Kwan  <dougkwan@google.com>
4911
4912         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4913         from start of output section instead of address for a local symbol
4914         in a merged or relaxed section when doing a relocatable link.
4915
4916 2010-05-26  Rafael Espindola  <espindola@google.com>
4917
4918        PR 11604
4919         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4920         adding sections the garbage collector removed.
4921         * gold/testsuite/Makefile.am: Add test.
4922         * gold/testsuite/Makefile.in: Regenerate.
4923         * gold/testsuite/plugin_test_7.sh: New.
4924         * gold/testsuite/plugin_test_7_1.c: New.
4925         * gold/testsuite/plugin_test_7_2.c: New.
4926
4927 2010-05-26  Rafael Espindola  <espindola@google.com>
4928
4929         * script-sections.cc (Output_section_definition::set_section_addresses):
4930         Check for --section-start.
4931
4932 2010-05-26  Doug Kwan  <dougkwan@google.com>
4933
4934         * arm.cc (Arm_scan_relocatable_relocs): New class.
4935         (Target_arm::relocate_special_relocatable): New method.
4936         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4937         (Arm_relocate_functions::thumb_branch_common): Same.
4938         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4939         instead of Default_scan_relocatable_relocs.
4940         * target-reloc.h (relocate_for_relocatable): Let target handle
4941         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4942         * target.h (Sized_target::relocate_special_relocatable): New method.
4943
4944 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4945
4946         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4947
4948 2010-05-23  Doug Kwan  <dougkwan@google.com>
4949
4950         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4951         instead of a cast.
4952         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4953         with a direct branch, not a conditional branch, to a stub.
4954         * merge.cc (Output_merge_base::record_input_section): New method
4955         defintion.
4956         (Output_merge_data::do_add_input_section): Record input section if
4957         keeps-input-sections flag is set.
4958         (Output_merge_string::do_add_input_section): Ditto.
4959         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4960         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4961         INPUT_SECTIONS_.
4962         (Output_merge_base::keeps_input_sections,
4963         Output_merge_base::set_keeps_input_sections,
4964         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4965         method definitions.
4966         (Output_merge_base::Input_sections): New type declaration.
4967         (Output_merge_base::input_sections_begin,
4968         Output_merge_base::input_sections_end,
4969         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4970         (Output_merge_base::bool keeps_input_sections_,
4971         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4972         Output_merge_base::input_sections_): New data members.
4973         (Output_merge_data::do_set_keeps_input_sections): New method
4974         defintion.
4975         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4976         * output.cc (Output_section::Input_section::relobj): Move method
4977         defintion from class declaration to here and handle merge sections.
4978         (Output_section::Input_section::shndx): Ditto.
4979         (Output_section::Output_section): Remove initializations of removed
4980         data members and initialize new data member LOOKUP_MAPS_.
4981         (Output_section::add_input_section): Set keeps-input-sections flag
4982         for a newly created merge output section as appropriate.  Adjust code
4983         to use Output_section_lookup_maps class.
4984         (Output_section::add_relaxed_input_section): Adjst code for lookup
4985         maps code refactoring.
4986         (Output_section::add_merge_input_section): Add a new parameter
4987         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4988         class.  If adding input section to a newly created merge output
4989         section fails, remove the new merge section.
4990         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4991         Adjust code for use of the Output_section_lookup_maps class.
4992         (Output_section::find_merge_section): Ditto.
4993         (Output_section::build_lookup_maps): New method defintion.
4994         (Output_section::find_relaxed_input_section): Adjust code to use
4995         Output_section_lookup_maps class.
4996         (Output_section::get_input_sections): Export merge sections.  Adjust
4997         code to use Output_section_lookup_maps class.
4998         (Output_section:::add_script_input_section): Adjust code to use
4999         Output_section_lookup_maps class.  Update lookup maps for merge
5000         sections also.
5001         (Output_section::discard_states): Use Output_section_lookup_maps.
5002         (Output_section::restore_states): Same.
5003         * output.h (Merge_section_properties): Move class defintion out of
5004         Output_section.
5005         (Output_section_lookup_maps): New class.
5006         (Output_section::Input_section::is_merge_section): New method
5007         defintion.
5008         (Output_section::Input_section::relobj): Move defintion out of class
5009         defintion.  Declare method only.
5010         (Output_section::Input_section::shndx): Ditto.
5011         (Output_section::Input_section::output_merge_base): New method defintion.
5012         (Output_section::Input_section::u2_.pomb): New union field.
5013         (Output_section::Merge_section_by_properties_map,
5014         Output_section::Output_section_data_by_input_section_map,
5015         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5016         Remove types.
5017         (Output_section::add_merge_input_section): Add new parameter
5018         KEEPS_INPUT_SECTIONS.
5019         (Output_section::build_lookup_maps): New method declaration.
5020         (Output_section::merge_section_map_,
5021         Output_section::merge_section_by_properties_map_,
5022         Output_section::relaxed_input_section_map_,
5023         Output_section::is_relaxed_input_section_map_valid_): Remove data
5024         members.
5025         (Output_section::lookup_maps_): New data member.
5026
5027 2010-05-21  Doug Kwan  <dougkwan@google.com>
5028
5029         PR gold/11619
5030         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5031         avoid a compilation error.
5032
5033 2010-05-19  Rafael Espindola  <espindola@google.com>
5034
5035         * script-sections.cc (Output_section_definition::allocate_to_segment):
5036         Update the phdrs_list even when the output section is NULL.
5037         * testsuite/Makefile.am: Add test.
5038         * testsuite/Makefile.in: Regenerate.
5039         * testsuite/script_test_9.cc: New.
5040         * testsuite/script_test_9.sh: New.
5041         * testsuite/script_test_9.t: New.
5042
5043 2010-05-19  Doug Kwan  <dougkwan@google.com>
5044
5045         * arm.cc (Arm_input_section::original_size): New method.
5046         (Arm_input_section::do_addralign): Add a cast.
5047         (Arm_input_section::do_output_offset): Remove static cast.
5048         (Arm_input_section::original_addralign,
5049          Arm_input_section::original_size_): Change type to uint32_t.
5050         (Arm_input_section::init): Add safe casts for section alignment
5051         and size.
5052         (Arm_input_section::set_final_data_size): Do not set address and
5053         offset of stub table.
5054         (Arm_output_section::fix_exidx_coverage): Change use of of
5055         Output_section::Simple_input_section to that of
5056         Output_section::Input_section.
5057         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5058         except for the first pass.
5059         * output.cc (Output_section::get_input_sections): Change type of
5060         input_sections to std::list<Input_section>.
5061         (Output_section::add_script_input_section): Rename from
5062         Output_section::add_simple_input_section.  Change type of SIS
5063         parameter from Simple_input_section to Input_section.
5064         * output.h (Output_section::Simple_input_section): Remove class.
5065         (Output_section::Input_section): Change class visibility to public.
5066         (Output_section::Input_section::addralign): Use stored alignments
5067         for special input sections if set.
5068         (Output_section::Input_section::set_addralign): New method.
5069         (Output_section::get_input_sections): Change parameter type from
5070         list of Simple_input_section to list of Input_section.
5071         (Output_section::add_script_input_section): Rename from
5072         Output_section::add_simple_input_section. Change first parameter's
5073         type from Simple_input_section to Input_section and remove the
5074         second and third parameters.
5075         * script-sections.cc (Input_section::Input_section_list): Change
5076         type to list of Output_section::Input_section/
5077         (Input_section_info::Input_section_info): Change parameter type of
5078         INPUT_SECTION to Output_section::Input_section.
5079         (Input_section_info::input_section): Change return type.
5080         (Input_section_info::input_section_): Change type to
5081         Output_section::Input_section.
5082         (Output_section_element_input::set_section_addresses): Adjust code
5083         to use Output_section::Input_section instead of
5084         Output_section::Simple_input_section.  Adjust code for renaming
5085         of Output_section::add_simple_input_section.
5086         (Orphan_output_section::set_section_addresses): Ditto.
5087
5088 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5089
5090         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5091         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5092
5093 2010-05-18  Rafael Espindola  <espindola@google.com>
5094
5095         * options.cc (General_options::finalize): Handle -nostdlib.
5096         * options.h (nostdlib): New option.
5097         * script.cc (script_add_search_dir): Handle -nostdlib.
5098
5099 2010-05-12  Doug Kwan  <dougkwan@google.com>
5100
5101         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5102         attributes section only if there no attributes section after merging.
5103         (Target_arm::merge_object_attributes): Move value of
5104         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5105         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5106         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5107         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5108         and arm_attr_merge_7.stdout.
5109         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5110         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5111         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5112         arm_attr_merge_7b.o): New rules.
5113         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5114         arm_attr_merge_7
5115         * testsuite/Makefile.in: Regenerate.
5116         * testsuite/arm_attr_merge.sh: New file.
5117         * testsuite/arm_attr_merge_[67][ab].s: Same.
5118
5119 2010-05-05  Nick Clifton  <nickc@redhat.com>
5120
5121         * po/es.po: Updated Spanish translation.
5122
5123 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5124
5125         * Makefile.am (install-exec-local): Properly install gold as
5126         default cross linker.
5127         * Makefile.in: Regenerated.
5128
5129 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5130             Nick Clifton  <nickc@redhat.com>
5131
5132         * configure.ac (install_as_default): Define and set to false
5133         unless --enable-gold or --enable-gold=both/gold has been
5134         specified.
5135         * configure: Regenerate.
5136
5137         * Makefile.am (install-exec-local): Install the executable as
5138         'ld.gold'.  If install_as_default is true then also install it as
5139         'ld'.
5140         * Makefile.in: Regenerated.
5141
5142 2010-04-24  Ian Lance Taylor  <iant@google.com>
5143
5144         * layout.cc (Layout::layout_reloc): In relocatable link don't
5145         combine reloc sections for grouped sections.
5146
5147 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5148
5149         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5150         sections that are not ordinary to icf.
5151         * icf.cc (get_section_contents): Handle relocation pointing to section
5152         with no object or shndx information.
5153         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5154         * testsuite/Makefile.in: Regenerate.
5155         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5156         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5157
5158 2010-04-22  Ian Lance Taylor  <iant@google.com>
5159
5160         * expression.cc (Expression::Expression_eval_info): Add
5161         result_alignment_pointer field.
5162         (Expression::eval_with_dot): Add result_alignment_pointer
5163         parameter.  Change all callers.
5164         (Expression::eval_maybe_dot): Likewise.
5165         (class Binary_expression): Add alignment_pointer parameter to
5166         left_value and right_value.  Change all callers.
5167         (BINARY_EXPRESSION): Set result alignment.
5168         (class Trinary_expression): Add alignment_pointer parameter to
5169         arg2_value and arg3_value.  Change all callers.
5170         (Trinary_cond::value): Set result alignment.
5171         (Max_expression::value, Min_expression::value): Likewise.
5172         (Align_expression::value): Likewise.
5173         * script-sections.cc (class Sections_element): Add dot_alignment
5174         parameter to set_section_addresses virtual function.  Update
5175         instantiations.
5176         (class Output_section_element): Likewise.
5177         (Script_sections::create_segments): Add dot_alignment parameter.
5178         Change all callers.
5179         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5180         (Script_sections::set_phdrs_clause_addresses): Likewise.
5181         * script-sections.h: Update declarations.
5182         * script.h: Update declarations.
5183         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5184         min_p_align.
5185         * testsuite/script_test_3.t: Set large alignment.
5186         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5187         segment has expected alignment.
5188
5189 2010-04-22  Nick Clifton  <nickc@redhat.com>
5190
5191         * po/gold.pot: Updated by the Translation project.
5192         * po/vi.po: Updated Vietnamese translation.
5193
5194 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5195
5196         * testsuite/Makefile.am (check_PROGRAMS): Add
5197         icf_virtual_function_folding_test.
5198         * testsuite/Makefile.in: Regenerated.
5199
5200 2010-04-15  Andrew Haley  <aph@redhat.com>
5201
5202         * options.h (merge_exidx_entries): New option.
5203         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5204         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5205         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5206         (Target_arm::merge_exidx_entries): New function.
5207         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5208         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5209         to Arm_exidx_fixup constructor.
5210         Add new arg, merge_exidx_entries.
5211         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5212         Arm_output_section::fix_exidx_coverage.
5213
5214 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5215
5216         * icf.cc (get_section_contents): Check for preemptible functions.
5217         Ignore addend when appropriate.
5218         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5219         section folded.
5220         (add_from_relobj): Check for section folded.
5221         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5222         * symtab.h (should_add_dynsym_entry): Add new parameter.
5223         * target-reloc.h (scan_relocs): Check for section folded.
5224         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5225         Check reloc types for function pointers in shared objects.
5226         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5227         case.
5228         (icf_preemptible_functions_test): New test case.
5229         (icf_string_merge_test): New test case.
5230         * testsuite.Makefile.in: Regenerate.
5231         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5232         bar_glob.  Refactor code.
5233         * testsuite/icf_preemptible_functions_test.cc: New file.
5234         * testsuite/icf_preemptible_functions_test.sh: New file.
5235         * testsuite/icf_string_merge_test.cc: New file.
5236         * testsuite/icf_string_merge_test.sh: New file.
5237         * testsuite/icf_virtual_function_folding_test.cc: New file.
5238         * testsuite/icf_virtual_function_folding_test.sh: New file.
5239
5240 2010-04-14  Doug Kwan  <dougkwan@google.com>
5241
5242         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5243         for local symbol recounting if we remove a section due to ICF.
5244         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5245         there are no regular objects in input.
5246
5247 2010-04-13  Doug Kwan  <dougkwan@google.com>
5248
5249         * arm.cc (Arm_input_section::set_final_data_size): Compute
5250         accurate final data size instead of using current data size.
5251
5252 2010-04-09  Doug Kwan  <dougkwan@google.com>
5253
5254         * layout.cc (Layout::choose_output_section): Handle script section
5255         types.
5256         (Layout::make_output_section_for_script): Add section type parameter.
5257         Handle script section types.
5258         * layout.h (Layout::make_output_section_for_script): Add section
5259         type parameter.
5260         * output.cc (Output_section::Output_section): Initialize data member
5261         is_noload_.
5262         (Output_section::do_reset_address_and_file_offset): Do not set address
5263         to 0 if section is a NOLOAD section.
5264         * output.h (Output_section::is_noload): New method.
5265         (Output_section::set_is_noload): Ditto.
5266         (Output_section::is_noload_): New data member.
5267         * script-c.h (Script_section_type): New enum type.
5268         (struct Parser_output_section_header): Add new file section_type.
5269         * script-sections.cc (Sections_element::output_section_name): Add
5270         parameter for returning script section type.
5271         (Output_section_definition::output_section_name): Ditto.
5272         (Output_section_definition::section_type)P; New method.
5273         (Output_section_definiton::script_section_type_name): Ditto.
5274         (Output_section_definition::script_section_type_): New data member.
5275         (Output_section_definition::Output_section_definition): Initialize
5276         data member Output_section_definition::script_section_type_.
5277         (Output_section_definition::create_sections): Pass script section type
5278         to Layout::make_output_section_for_script.
5279         (Output_section_definition::output_section_name): Return script
5280         section type to caller.
5281         (Output_section_definition::set_section_address): Do not advance
5282         dot value and load address if section type is NOLOAD.  Set address
5283         of NOLOAD sections regardless of section flags.
5284         (Output_section_definition::print): Print section type if it is
5285         not SCRIPT_SECTION_TYPE_NONE.
5286         (Output_section_definition::section_type): New method.
5287         (Output_section_definition::script_section_type_name): Ditto.
5288         (Script_sections::output_section_name): Add new parameter
5289         PSECTION_TYPE for returning script section type.  Pass it to
5290         section elements.  Handle discard sections.
5291         (Sort_output_sections::operator()): Handle NOLOAD sections.
5292         * script-sections.h (Script_sections::Section_type): New enum type.
5293         (Script_sections::output_section_name): Add a new parameter for
5294         returning script section type.
5295         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5296         INFO and NOLOAD.
5297         * yyscript.y (union): Add new field SECTION_TYPE.
5298         (COPY, DSECT, INFO, NOLOAD): New tokens.
5299         (opt_address_and_section_type): Change type to output_section_header.
5300         (section_type): New non-terminal
5301         (section_header): Handle section type.
5302         (opt_address_and_section_type): Return section type value.
5303
5304 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5305
5306         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5307         * testsuite/plugin_common_test_2.c (foo): Likewise.
5308
5309 2010-04-08  Doug Kwan  <dougkwan@google.com>
5310
5311         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5312         Output_merge_data.
5313         * output.cc (Output_section::add_merge_input_section): Simplify
5314         code and return status of Output_merge_base::add_input_section.
5315         Update merge section map only if Output_merge_base::add_input_section
5316         returns true.
5317
5318 2010-04-07  Doug Kwan  <dougkwan@google.com>
5319
5320         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5321         if section is marked as containing instructions but has no mapping
5322         symbols.
5323         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5324         correct section index.
5325         (Arm_relobj::find_linked_text_section): Ditto.
5326
5327 2010-04-07  Cary Coutant  <ccoutant@google.com>
5328
5329         * archive.cc (include_member): Destroy Read_symbols_data object before
5330         releasing file.
5331         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5332         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5333         (Read_symbols_data::~Read_symbols_data) New destructor.
5334         (Section_relocs::Section_relocs) New constructor.
5335         (Section_relocs::~Section_relocs) New destructor.
5336         (Read_relocs_data::Read_relocs_data) New constructor.
5337         (Read_relocs_data::~Read_relocs_data) New destructor.
5338         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5339         pointers to NULL after deleting.
5340
5341 2010-04-07  Doug Kwan  <dougkwan@google.com>
5342
5343         * arm.cc: Replace "endianity" with "endianness" in comments.
5344         (Arm_exidx_cantunwind): Ditto.
5345         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5346         (Arm_relobj::merge_flags_and_attributes): New method.
5347         (Arm_relobj::merge_flags_and_attributes_): New data member.
5348         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5349         (Arm_relobj::scan_sections_for_stubs): Ditto.
5350         (Arm_relobj::do_read_symbols): Check to see if we really want to
5351         merge processor-specific flags and attributes.  Exit early if
5352         an object is empty except for section names and the undefined symbol.
5353         (Target_arm::do_finalize_sections): Move check for ELF format to
5354         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5355         attributes from a regular object only when we have determined that
5356         it is aapropriate.  Do not create an .ARM.attributes section in
5357         output if there is no regular input object.
5358         (Target_arm::merge_processor_specific_flags): Check
5359         --warn-mismatch before printing any error.
5360         (Target_arm::merge_object_attributes): Ditto.
5361         * gold.cc (queue_middle_tasks): Handle the case in which there is
5362         no regular object in input.
5363         * options.cc (General_options::parse_EB): New method.
5364         (General_options::parse_EL): Same.
5365         (General_options::General_options): Initialize endianness_.
5366         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5367         New options.
5368         (General_options::Endianness): New enum.
5369         (General_options::endianness): New method.
5370         (General_options::endianness_): New data member.
5371         * parameters.cc (Parameters::set_options): Check target endianness.
5372         (Parameters::set_target_once): Ditto.
5373         (Parameters::check_target_endianness): New method.
5374         (parameters_force_valid_target): If either -EL or -EB is specified,
5375         use it to define endianness of default target.
5376         * parameters.h (Parameters::check_target_endianness): New method
5377         declaration.
5378         * target.h (class Target): Change "endianity" to "endianness"
5379         in comments.
5380
5381 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5382
5383         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5384         * configure: Regenerate.
5385         * Makefile.in: Regenerate.
5386         * testsuite/Makefile.in: Regenerate.
5387
5388 2010-04-06  Cary Coutant  <ccoutant@google.com>
5389
5390         gcc PR lto/42757
5391         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5392         prevailing definitions of common symbols.
5393         * testsuite/plugin_test_6.sh: New test case.
5394         * testsuite/plugin_common_test_1.c: New test case.
5395         * testsuite/plugin_common_test_2.c: New test case.
5396         * testsuite/Makefile.am (plugin_test_6): New test case.
5397         * testsuite/Makefile.in: Regenerate.
5398
5399 2010-04-06  Nick Clifton  <nickc@redhat.com>
5400
5401         * po/vi.po: New Vietnamese translation.
5402
5403 2010-03-30  Doug Kwan  <dougkwan@google.com>
5404
5405         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5406
5407 2010-03-25  Doug Kwan  <dougkwan@google.com>
5408
5409         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5410         to avoid a conversion warning on a 32-bit host.
5411
5412 2010-03-24  Ian Lance Taylor  <iant@google.com>
5413
5414         * testsuite/script_test_3.t: Add a TLS segment.
5415         * testsuite/Makefile.am (check_PROGRAMS): Add
5416         tls_phdrs_script_test.
5417         (tls_phdrs_script_test_SOURCES): Define.
5418         (tls_phdrs_script_test_DEPENDENCIES): Define.
5419         (tls_phdrs_script_test_LDFLAGS): Define.
5420         (tls_phdrs_script_test_LDADD): Define.
5421         * testsuite/Makefile.in: Rebuild.
5422
5423 2010-03-23  Cary Coutant  <ccoutant@google.com>
5424
5425         * fileread.cc (find_or_make_view): Fix comment.
5426
5427 2010-03-23  Ian Lance Taylor  <iant@google.com>
5428
5429         * script-sections.cc (class Orphan_section_placement): Define
5430         PLACE_TLS and PLACE_TLS_BSS.
5431         (Orphan_section_placement::Orphan_section_placement): Initialize
5432         new places.
5433         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5434         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5435         (tls_script_test_SOURCES): Define.
5436         (tls_script_test_DEPENDENCIES): Define.
5437         (tls_script_test_LDFLAGS): Define.
5438         (tls_script_test_LDADD): Define.
5439         * testsuite/Makefile.in: Rebuild.
5440
5441 2010-03-22  Doug Kwan  <dougkwan@google.com>
5442
5443         * arm.cc (Arm_relocate_functions::abs8,
5444         Arm_relocate_functions::abs16): Use correct check for overflow
5445         specified in the ARM ELF specs.
5446         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5447         target of a BLX instruction specially.
5448         (Reloc_stub::stub_type_for_reloc): Ditto.
5449         (Relocate::relocate): Use symbolic names instead of numeric relocation
5450         codes to report error.
5451         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5452         workaround.
5453         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5454         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5455         thumb2_blx_out_of_range.stdout
5456         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5457         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5458         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5459         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5460         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5461         thumb2_blx_in_range, thumb2_blx_in_range.o,
5462         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5463         thumb2_blx_out_of_range.o): New rules.
5464         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5465         thumb2_blx_in_range and thumb2_blx_out_of_range.
5466         * testsuite/Makefile.in: Regenerate.
5467         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5468         * testsuite/thumb_blx_in_range.s: New file.
5469         * testsuite/thumb_blx_out_of_range.s: New file.
5470
5471 2010-03-22  Rafael Espindola  <espindola@google.com>
5472
5473         * archive.cc (Should_include): Move to archive.h.
5474         (should_include_member): Make it a member of Archive.
5475         (Lib_group): New.
5476         (Add_lib_group_symbols): New.
5477         * archive.h: Include options.h.
5478         (Archive_member): Moved from Archive.
5479         (Should_include): Moved from archive.cc.
5480         (Lib_group): New.
5481         (Add_lib_group_symbols): New.
5482         * dynobj.cc (do_should_include_member): New.
5483         * dynobj.h (do_should_include_member): New.
5484         * gold.cc (queue_initial_tasks): Update call to queue.
5485         * main.cc (main): Print lib group stats.
5486         * object.cc (do_should_include_member): New.
5487         * object.h: Include archive.h.
5488         (Object::should_include_member): New.
5489         (Object::do_should_include_member): New.
5490         (Sized_relobj::do_should_include_member): New.
5491         * options.cc (General_options::parse_start_lib): New.
5492         (General_options::parse_end_lib): New.
5493         (Input_arguments::add_file): Handle lib groups.
5494         (Input_arguments::start_group): Check we are not in a lib.
5495         (Input_arguments::start_lib): New.
5496         (Input_arguments::end_lib): New.
5497         * options.h (General_options): Add start_lib and end_lib.
5498         (Input_argument::lib_): New.
5499         (Input_argument::lib): New.
5500         (Input_argument::is_lib): New.
5501         (Input_file_lib): New.
5502         (Input_arguments::in_lib_): New.
5503         (Input_arguments::in_lib): New.
5504         (Input_arguments::start_lib): New.
5505         (Input_arguments::end_lib_): New.
5506         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5507         in unused members as preempted.
5508         (Sized_pluginobj::do_should_include_member): New.
5509         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5510         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5511         return the blocker.
5512         (Read_symbols::do_whole_lib_group): New.
5513         (Read_symbols::do_lib_group): New.
5514         (Read_symbols::do_read_symbols): Handle lib groups.
5515         (Read_symbols::get_name): Handle lib groups.
5516         * readsyms.h (Read_symbols): Add an archive member pointer.
5517         (Read_symbols::do_whole_lib_group): New.
5518         (Read_symbols::do_lib_group): New.
5519         (Read_symbols::member_): New.
5520         * script.cc (read_input_script): Update call to queue_soon.
5521
5522 2010-03-19  Doug Kwan  <dougkwan@google.com>
5523
5524         * arm.cc (Stub_table::Stub_table): Initialize new data members
5525         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5526         (Stub_table::add_reloc_stub): Assign stub offset and update
5527         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5528         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5529         New data members.
5530         (Stub_table::update_data_size_and_addralign): Use
5531         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5532         instead of going over all reloc stubs.
5533         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5534         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5535         Stringpool_template::offset_ to size of Stringpool_char.
5536         (Stringpool_template::new_key_offset): Remove code to initialize
5537         Stringpool_template::offset_.
5538         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5539         Stringpool_template::offset_ to zero.
5540
5541 2010-03-15  Doug Kwan  <dougkwan@google.com>
5542
5543         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5544         offset_.
5545         (Stringpool_template::new_key_offset): New method.
5546         (Stringpool_template::add_string): Assign offsets when adding new
5547         strings.
5548         (Stringpool_template::set_string_offsets): Do not set string offsets
5549         when not optimizing.
5550         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5551         member size_.
5552         (Chunked_vector::clear): Clear size_.
5553         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5554         (Chunked_vector::size): Return size_.
5555         (Chunked_vector::push_back): Use size_ to find insert position.
5556         (Chunked_vector::size_): New data member.
5557         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5558         (Stringpool_template::new_key_offset): New method declaration.
5559         (Stringpool_template::offset_): New data member.
5560
5561 2010-03-15   Rafael Espindola  <espindola@google.com>
5562
5563         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5564         Add_symbols' constructor.
5565         * readsyms.h (Add_symbols): Remove the input_group member.
5566
5567 2010-03-10  Ian Lance Taylor  <iant@google.com>
5568
5569         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5570         target to ask whether a reference to a symbol requires a stack
5571         split.
5572         * target.h (Target::is_call_to_non_split): New function.
5573         (Target::do_is_call_to_non_split): Declare virtual function.
5574         * target.cc: Include "symtab.h".
5575         (Target::do_is_call_to_non_split): New function.
5576         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5577
5578 2010-03-10  Cary Coutant  <ccoutant@google.com>
5579
5580         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5581         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5582         (File_read::open[2]): Add whole_file_view_ to list of views.
5583         (File_read::make_view): Remove test of whole_file_view_.
5584         (File_read::find_or_make_view): Create whole_file_view_ if
5585         necessary.
5586         (File_read::clear_views): Replace bool parameter with enum;
5587         adjust all callers.  Don't delete views with permanent data;
5588         do delete cached views and views from archives if
5589         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5590         if clearing the corresponding view.
5591         * fileread.h (File_read::Clear_views_mode): New enum.
5592         (File_read::View::is_permanent_view): New method.
5593         (File_read::clear_views): Replace bool parameter
5594         with enum; adjust all callers.
5595         * options.h (General_options): Change keep_files_mapped option;
5596         add map_whole_files.
5597         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5598         releasing the file.
5599         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5600         the file.
5601
5602 2010-03-10  David S. Miller  <davem@davemloft.net>
5603
5604         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5605
5606 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5607
5608         * icf.cc (get_section_contents): Add '@' marker after processing the
5609         merge reloc.
5610
5611 2010-03-08  Doug Kwan  <dougkwan@google.com>
5612
5613         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5614         due to a conversion warning.
5615         (Arm_relobj::update_output_local_symbol_count): Check for local
5616         symbol with unset output index.
5617
5618 2010-03-05  Ian Lance Taylor  <iant@google.com>
5619
5620         * options.h (class General_options): Add --spare-dynamic-tags.
5621         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5622         --spare-dynamic-tags.
5623
5624 2010-03-05  Ian Lance Taylor  <iant@google.com>
5625
5626         * incremental.cc: Include "libiberty.h".
5627
5628 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5629
5630         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5631         function, is_info_ member.
5632         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5633         (Versions::Versions): Update caller.
5634         (Versions::define_base_version): Likewise.
5635         (Versions::add_def): Likewise.
5636
5637 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5638
5639         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5640         (Scan::possible_function_pointer_reloc): New function.
5641         (Scan::local_reloc_may_be_function_pointer): Change to call
5642         possible_function_pointer_reloc.
5643         (Scan::global_reloc_may_be_function_pointer): Ditto.
5644         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5645         relocations in ".data.rel.ro._ZTV" section.
5646         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5647         * testsuite/icf_safe_so_test.cc: Ditto.
5648         * testsuite/icf_safe_test.cc: Ditto.
5649         * testsuite/icf_safe_test.sh: Ditto.
5650
5651 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5652             Ian Lance Taylor  <iant@google.com>
5653
5654         * target-reloc.h (relocate_section): Check the symbol table index
5655         for -1U before setting the local symbol index.
5656         (scan_relocatable_relocs): If copying the relocation, record that
5657         the local symbol is required.
5658         * object.h (Symbol_value::is_output_symtab_index_set): New
5659         function.
5660         (Symbol_value::may_be_discarded_from_output_symtab): New
5661         function.
5662         (Symbol_value::has_output_symtab_entry): New function.
5663         (Symbol_value::needs_output_symtab_entry): Remove.
5664         (Symbol_value::output_symtab_index): Make sure the symbol index is
5665         set.
5666         (Symbol_value::set_output_symtab_index): Make sure the symbol
5667         index is not set.  Make sure the new index is valid.
5668         (Symbol_value::set_must_have_output_symtab_entry): New function.
5669         (Symbol_value::has_output_dynsym_entry): New function.
5670         (Symbol_value::set_output_dynsym_index): Make sure the new index
5671         is valid.
5672         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5673         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5674         local symbol if permitted.
5675         (Sized_relobj::do_finalize_local_symbols): Call
5676         is_output_symtab_index_set rather than needs_output_symtab_entry.
5677         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5678         rather than needs_output_symtab_entry.  Call
5679         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5680         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5681         is_output_symtab_index_set rather than needs_output_symtab_entry.
5682         * testsuite/discard_locals_relocatable_test.c: New file.
5683         * testsuite/discard_locals_test.sh: Test -r.
5684         * testsuite/Makefile.am (check_DATA): Add
5685         discard_locals_relocatable_test1.syms,
5686         discard_local_relocatable_test2.syms.
5687         (MOSTLYCLEANFILES): Likewise.  Also add
5688         discard_locals_relocatable_test1.lout and
5689         discard_locals_relocatable_test2.out.
5690         (discard_locals_relocatable_test1.syms): New target.
5691         (discard_locals_relocatable_test.o): New target.
5692         (discard_locals_relocatable_test1.out): New target.
5693         (discard_locals_relocatable_test2.syms): New target.
5694         (discard_locals_relocatable_test2.out): New target.
5695         (various): Add missing ../ld-new dependencies.
5696         * testsuite/Makefile.in: Rebuild.
5697
5698 2010-03-03  Nick Clifton  <nickc@redhat.com>
5699
5700         * po/fi.po: New Finnish translation.
5701
5702 2010-03-01  Doug Kwan  <dougkwan@google.com>
5703
5704         * layout.cc (Layout::Layout): Force section types of .init_array*,
5705         .preinit_array* and .fini_array* sections.
5706         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5707         Fix check of return value of std::string::find.().
5708         (Output_section::Input_section_sort_compare::operator()): Remove
5709         comment about .init_array.
5710         (Output_section::Input_section_sort_init_fini_compare::operator()):
5711         New method.
5712         (Output_section::sort_attached_input_sections): Handle .init_array
5713         and .fini_array specially.
5714         * output.h (Output_section::Inut_section_sort_compare): Update
5715         comment.
5716         (Output_section::Input_section_sort_init_fini_compare): New struct.
5717
5718 2010-02-26  Doug Kwan  <dougkwan@google.com>
5719
5720         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5721         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5722         * testsuite/debug_msg.sh: Avoid matching source line number for
5723         use of global variable undef_int.
5724
5725 2010-02-26  Doug Kwan  <dougkwan@google.com>
5726
5727         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5728         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5729         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5730         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5731         * options.cc (General_options::General_options): Initialize member
5732         fix_v4bx_.
5733         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5734         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5735         and rm_no_fix_v4bx.stdout
5736         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5737         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5738         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5739         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5740         and arm_no_fix_v4bx.
5741         * Makefile.in: Regenerate.
5742         * testsuite/arm_fix_v4bx.s: New file.
5743         * testsuite/arm_fix_v4bx.sh: Ditto.
5744
5745 2010-02-24  Doug Kwan  <dougkwan@google.com>
5746
5747         * arm.cc (Target_arm::got_section): Make the .got section the first
5748         non RELRO section in the data segment.
5749         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5750         suffixes of section names.
5751
5752 2010-02-24  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5755         flags and attributes merging if an input file is a binary file.
5756         * fileread.cc (Input_file::open): Record format of original file.
5757         * fileread.h (Input_file::Format): New enum type.
5758         (Input_file::Input_file): Initialize data member format_.
5759         (Input_file::format): New method definition.
5760         (Input_file::format_):: New data member.
5761
5762 2010-02-24  Doug Kwan  <dougkwan@google.com>
5763
5764         * arm.cc (Arm_output_data_got): New class.
5765         (ARM_TCB_SIZE): New constant
5766         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5767         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5768         If user uses a script with a SECTIONS clause, issue only a warning
5769         for a misplaced EXIDX input section.  Otherwise, issue an error.
5770         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5771         garbage collection.
5772         (Target_arm::got_mode_index_entry): Handle static linking.
5773         (Target_arm::Scan::local): Ditto.
5774         (Target_arm::Scan::global): Ditto.
5775         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5776         all incorrectly implemented relocations.
5777         (Target_arm::fix_exidx_coverage): Pass layout to
5778         Arm_output_section::fix_exidx_coverage.
5779         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5780         from ".ARM.exidx." and ".ARM.extab.".
5781
5782 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5783
5784         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5785         section if it does not already exist.
5786         * attributes.cc (Attributes_section_data::Attributes_section_data):
5787         Don't crash if size is zero.
5788
5789 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5790             Ian Lance Taylor  <iant@google.com>
5791
5792         * gold.cc (queue_middle_tasks): If no input files were opened,
5793         exit.
5794         * workqueue.h (Task_function::Task_function): Assert that there is
5795         a blocker.
5796
5797 2010-02-22  Doug Kwan  <dougkwan@google.com>
5798
5799         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5800         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5801         types to avoid warnings due to different uint64_t implementations
5802         on different hosts.
5803
5804 2010-02-21  Doug Kwan  <dougkwan@google.com>
5805
5806         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5807         handling of the maximum backward branch offset.
5808         (Arm_relocate_functions::thumb_branch_common): Ditto.
5809         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5810         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5811         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5812         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5813         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5814         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5815         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5816         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5817         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5818         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5819         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5820         thumb2_bl_out_of_range.o): New rules.
5821         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5822         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5823         thumb2_bl_out_of_range
5824         * testsuite/Makefile.in: Regenerate.
5825         * testsuite/arm_bl_in_range.s: New file.
5826         * testsuite/arm_bl_out_of_range.s: Ditto.
5827         * testsuite/arm_branch_in_range.sh: Ditto.
5828         * testsuite/arm_branch_range.t: Ditto.
5829         * testsuite/thumb2_branch_range.t: Ditto.
5830         * testsuite/thumb_bl_in_range.s: Ditto.
5831         * testsuite/thumb_bl_out_of_range.s: Ditto.
5832         * testsuite/thumb_branch_range.t: Ditto.
5833
5834 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5835
5836         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5837         Add reloc offset information.
5838         * icf.cc (get_section_contents): Change iterators to point to the new
5839         vectors. Add reloc offset information to the contents.
5840         * icf.h (Icf::Sections_reachable_info): New typedef.
5841         (Icf::Sections_reachable_list): New typedef.
5842         (Icf::Offset_info): New typedef.
5843         (Icf::Reloc_info): New struct typedef.
5844         (Icf::Reloc_info_list): New typedef.
5845         (Icf::symbol_reloc_list): Delete method.
5846         (Icf::addend_reloc_list): Delete method.
5847         (Icf::section_reloc_list): Delete method.
5848         (Icf::reloc_info_list): New method.
5849         (Icf::reloc_info_list_): New member.
5850
5851 2010-02-19  Doug Kwan  <dougkwan@google.com>
5852
5853         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5854         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5855         * arm.cc (Arm_relocation_functions): New forward declaration.
5856         (Target_arm::Target_arm): Initialize new data members
5857         got_mod_index_offset_ and tls_base_symbol_defined_.
5858         (Target_arm::Relocate::relocate_tls): New method.
5859         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5860          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5861         New methods.
5862         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5863         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5864         (Target_arm::got_mod_index_offset_,
5865         Target_arm::tls_base_symbol_defined_): New data members.
5866         (Target_arm::Scan::local, Target::Scan::global,
5867         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5868         relocations.
5869
5870 2010-02-18  Doug Kwan  <dougkwan@google.com>
5871
5872         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5873         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5874         text section as a parameter becuase some broken tools may not set
5875         the link in section header.
5876         (Target_arm::has_got_section): New method.
5877         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5878         without any mapping symbol as data only.  Remove warning.
5879         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5880         link in its section header, try to discover the link by inspecting the
5881         REL31 relocation at the beginning of the section.
5882         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5883         in error message.
5884         (Target_arm::Scan::global): Treat any reference to the symbol
5885         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5886
5887 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5888
5889         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5890         (Scan::global_reloc_may_be_function_pointer): New function.
5891         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5892         (Scan::global_reloc_may_be_function_pointer): New function.
5893         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5894         (Scan::global_reloc_may_be_function_pointer): New function.
5895         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5896         (Scan::global_reloc_may_be_function_pointer): New function.
5897         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5898         (Scan::global_reloc_may_be_function_pointer): New function.
5899         (Scan::possible_function_pointer_reloc): New function.
5900         (Target_x86_64::can_check_for_function_pointers): New function.
5901         * gc.h (gc_process_relocs): Scan relocation types to determine if
5902         function pointers were taken for targets that support it.
5903         * icf.cc (Icf::find_identical_sections): Include functions for
5904         folding in safe ICF whose pointer is not taken.
5905         * icf.h (Secn_fptr_taken_set): New typedef.
5906         (fptr_section_id_): New member.
5907         (section_has_function_pointers): New function.
5908         (set_section_has_function_pointers): New function.
5909         (check_section_for_function_pointers): New function.
5910         * options.h: Fix comment for safe ICF option.
5911         * target.h (can_check_for_function_pointers): New function.
5912         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5913         Modify icf_safe_test for X86-64.
5914         * testsuite/Makefile.in: Regenerate.
5915         * testsuite/icf_safe_so_test.cc: New file.
5916         * testsuite/icf_safe_so_test.sh: New file.
5917         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5918         (main): Change to take pointer to function kept_func_3.
5919         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5920         folding is done correctly for X86-64.
5921
5922 2010-02-12  David S. Miller  <davem@davemloft.net>
5923
5924         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5925         is_symbolless parameter.
5926         (Output_reloc<SHT_REL>::is_symbolless): New.
5927         (Output_reloc<SHT_REL>::is_symbolless_): New.
5928         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5929         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5930         (Output_reloc<SHT_RELA>::is_symbolless): New.
5931         (Output_data_reloc::add_global): Handle is_symbolless.
5932         (Output_data_reloc::add_global_relative): Likewise.
5933         (Output_data_reloc::add_local): Likewise.
5934         (Output_data_reloc::add_local_relative): Likewise.
5935         (Output_data_reloc::add_symbolless_global_addend): New.
5936         (Output_data_reloc::add_symbolless_local_addend): New.
5937         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5938         is_symbolless.
5939         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5940         instead of ->is_relative_
5941         (Output_reloc::write): Likewise.
5942         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5943         (Output_reloc::write_rel): Simplify.
5944
5945         * sparc.cc (Target_sparc::Scan::local): Use
5946         ->add_symbolless_local_addend as needed.
5947         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5948         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5949         based upon relocation offset.
5950
5951 2010-02-11  Doug Kwan  <dougkwan@google.com>
5952
5953         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5954         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5955         beginning of function.
5956         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5957         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5958         parameter is_32bit in calls to should_apply_static_reloc.
5959         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5960         (check_DATA): Add arm_abs_global.stdout.
5961         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5962         arm_abs_global.stdout): New rules.
5963         (MOSTLLYCLEANFILES): Add arm_abs_global
5964         * Makefile.in: Regenerate.
5965         * testsuite/arm_abs_global.s: New file.
5966         * testsuite/arm_abs_global.sh: Ditto.
5967         * testsuite/arm_abs_lib.s: Ditto.
5968
5969 2010-02-11  Ian Lance Taylor  <iant@google.com>
5970
5971         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5972         Read_relocs task.
5973         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5974         Allocate_commons_task first.
5975         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5976         task, rather than symtab_lock_.
5977         (Gc_process_relocs::~Gc_process_relocs): New function.
5978         (Gc_process_relocs::is_runnable): Check this_blocker_.
5979         (Gc_process_relocs::locks): Use next_blocker_ rather than
5980         blocker_.
5981         (Scan_relocs::~Scan_relocs): New function.
5982         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5983         symtab_lock_.
5984         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5985         next_blocker_.
5986         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5987         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5988         constructor accordingly.
5989         (class Gc_process_relocs): Likewise.
5990         (class Scan_relocs): Likewise.
5991         * common.h (class Allocate_commons_task): Remove symtab_lock_
5992         field, and corresponding constructor parameter.
5993         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5994         symtab_lock_.
5995         (Allocate_commons_task::locks): Likewise.
5996
5997 2010-02-11  Ian Lance Taylor  <iant@google.com>
5998
5999         * gold-threads.h (class Once): Define.
6000         (class Initialize_lock): Rewrite as child of Once.
6001         * gold-threads.cc (class Once_initialize): Define.
6002         (once_pointer_control): New static variable.
6003         (once_pointer, once_arg): New static variables.
6004         (c_run_once): New static function.
6005         (Once::Once, Once::run_once, Once::internal_run): New functions.
6006         (class Initialize_lock_once): Remove.
6007         (initialize_lock_control): Remove.
6008         (initialize_lock_pointer): Remove.
6009         (initialize_lock_once): Remove.
6010         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6011         (Initialize_lock::initialize): Rewrite.
6012         (Initialize_lock::do_run_once): New function.
6013         * archive.cc (Archive::interpret_header): Only clear name if it is
6014         not already empty.
6015         * fileread.cc: Include "gold-threads.h"
6016         (file_counts_lock): New static variable.
6017         (file_counts_initialize_lock): Likewise.
6018         (File_read::release): Only increment counts when using --stats.
6019         Use a lock around the increment.
6020         * parameters.cc (class Set_parameters_target_once): Define.
6021         (set_parameters_target_once): New static variable.
6022         (Parameters::Parameters): Move here from parameters.h.
6023         (Parameters::set_target): Rewrite.
6024         (Parameters::set_target_once): New function.
6025         (Parameters::clear_target): Move here and rewrite.
6026         * parameters.h (class Parameters): Update declarations.  Add
6027         set_parameters_target_once_ field.
6028         (Parameters::Parameters): Move to parameters.cc.
6029         (Parameters::clear_target): Likewise.
6030         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6031         task.
6032         (Start_group::~Start_group): New function.
6033         (Start_group::is_runnable): New function.
6034         (Start_group::locks, Start_group::run): New functions.
6035         (Finish_group::run): Change saw_undefined to size_t.
6036         * readsyms.h (class Start_group): Define.
6037         (class Finish_group): Change saw_undefined_ field to size_t.
6038         (Finish_group::Finish_group): Remove saw_undefined and
6039         this_blocker parameters.  Change all callers.
6040         (Finish_group::set_saw_undefined): New function.
6041         (Finish_group::set_blocker): New function.
6042         * symtab.h (class Symbol_table): Change saw_undefined to return
6043         size_t.  Change saw_undefined_ field to size_t.
6044         * target-select.cc (Set_target_once::do_run_once): New function.
6045         (Target_selector::Target_selector): Initialize set_target_once_
6046         field.  Don't initialize lock_ and initialize_lock_ fields.
6047         (Target_selector::instantiate_target): Rewrite.
6048         (Target_selector::set_target): New function.
6049         * target-select.h (class Set_target_once): Define.
6050         (class Target_selector): Update declarations.  Make
6051         Set_target_once a friend.  Remove lock_ and initialize_lock_
6052         fields.  Add set_target_once_ field.
6053
6054 2010-02-10  Ian Lance Taylor  <iant@google.com>
6055
6056         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6057         queueing any tasks.
6058         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6059         (queue_middle_tasks): Add all blockers before queueing any tasks.
6060         (queue_final_tasks): Likewise.
6061         * token.h (Task_token::add_blockers): New function.
6062         * object.h (Input_objects::number_of_relobjs): New function.
6063
6064 2010-02-10  Ian Lance Taylor  <iant@google.com>
6065
6066         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6067         shared, not if not position independent.
6068         * x86_64.cc (Relocate::relocate_tls): Likewise.
6069         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6070         (tls_pie_pic_test): New target.
6071         * testsuite/Makefile.in: Rebuild.
6072
6073         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6074         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6075         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6076         * testsuite/Makefile.in: Rebuild.
6077
6078 2010-02-09  David S. Miller  <davem@davemloft.net>
6079
6080         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6081         R_SPARC_RELATIVE using ->add_local_relative().
6082         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6083
6084         * output.h (Output_data_dynamic::add_section_size): New method
6085         that takes two Output_data objects.
6086         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6087         entry param.  Handle it in initializers.
6088         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6089         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6090         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6091         arg.
6092         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6093         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6094         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6095         for dynrel_includes_plt.
6096         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6097         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6098         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6099         before .rela.plt
6100         (Target_sparc::do_finalize_sections): Update to pass true for
6101         dynrel_includes_plt.
6102         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6103         output before .rela.plt
6104         (Target_powerpc::do_finalize_sections): Update to pass true for
6105         dynrel_includes_plt when 32-bit.
6106
6107 2010-02-08  Doug Kwan  <dougkwan@google.com>
6108
6109         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6110         method.
6111         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6112         Arm_relobj::scan_section_for_cortex_a8_stubs,
6113         Arm_relobj::do_relocation_section): Instead of calling
6114         Output_section::output_address, use faster
6115         Arm_relobj::simple_input_section_output_address.
6116
6117 2010-02-08  David S. Miller  <davem@davemloft.net>
6118
6119         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6120         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6121         relocation helper function.
6122
6123         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6124         just like R_SPARC_GOT{10,13,22}.
6125         (Target_sparc::Scan::local): Likewise.
6126         (Target_sparc::Relocate:relocate): Likewise.
6127
6128 2010-02-06  Ian Lance Taylor  <iant@google.com>
6129
6130         * configure.ac: Rewrite targetobjs duplicate removal code to use
6131         only shell constructs.
6132         * configure: Rebuild.
6133
6134 2010-02-05  Doug Kwan  <dougkwan@google.com>
6135
6136         PR 11247
6137         * arm.cc (Arm_relobj::section_is_scannable): New method.
6138         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6139         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6140
6141 2010-02-04  Doug Kwan  <dougkwan@google.com>
6142
6143         PR 11247
6144         * arm-reloc-property.cc (cstdio): Include.
6145         * configure.ac (targetobjs): Remove duplicates.
6146         * configure: Regenerate.
6147         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6148         big and little endian version for a given address size.
6149
6150 2010-02-03  Doug Kwan  <dougkwan@google.com>
6151
6152         * arm-reloc-property.cc
6153         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6154         definition.
6155         * arm-reloc-property.h
6156         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6157         New method definition.
6158         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6159         declaration.
6160         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6161         overflow to N.
6162         (GOT_PREL): Change implemented to Y.
6163         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6164         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6165         (Arm_relocate_functions::movw_abs_nc): Remove method.
6166         (Arm_relocate_functions::movt_abs): Ditto.
6167         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6168         (Arm_relocate_functions::thm_movt_abs): Ditto.
6169         (Arm_relocate_functions::movw_rel_nc): Ditto.
6170         (Arm_relocate_functions::movw_rel): Ditto.
6171         (Arm_relocate_functions::movt_rel): Ditto.
6172         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6173         (Arm_relocate_functions:thm_movw_rel): Ditto.
6174         (Arm_relocate_functions:thm_movt_rel): Ditto.
6175         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6176         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6177         New method definitions.
6178         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6179         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6180         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6181         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6182         (Target_arm::Relocate::relocate): Check for non-static or
6183         unimplemented relocation code and exit early.  Change calls to
6184         Target_arm::reloc_uses_thumb_bit and
6185         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6186         instead.  Refactor code to handle similar relocations to increase
6187         code sharing.  Remove check for unsupported relocation code in switch
6188         statement.
6189         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6190         relocation property table to find out size.  Change error message to
6191         print out the name of a relocation code instead of the numeric value.
6192         (Target_arm::scan_reloc_for_stub): Use relocation property table
6193         instead of calling Target_arm::reloc_uses_thumb_bit().
6194
6195 2010-02-02  Doug Kwan  <dougkwan@google.com>
6196
6197         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6198         types of relaxed input section.
6199
6200 2010-02-02  Doug Kwan  <dougkwan@google.com>
6201
6202         * Makefile.am (HFILES): Add arm-reloc-property.h.
6203         (DEFFILES): New.
6204         (TARGETSOURCES): Add arm-reloc-property.cc
6205         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6206         (libgold_a_SOURCES): $(DEFFILES)
6207         * Makefile.in: Regenerate.
6208         * arm-reloc-property.cc: New file.
6209         * arm-reloc-property.h: New file.
6210         * arm-reloc.def: New file.
6211         * arm.cc: Update comments.
6212         (arm-reloc-property.h): New included header.
6213         (arm_reloc_property_table): New global variable.
6214         (Target_arm::do_select_as_default_target): New method definition.
6215         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6216         arm-reloc-property to targ_extra_obj.
6217         * parameters.cc (set_parameters_target): Call
6218         Target::select_as_default_target().
6219         * target.h (Target::select_as_default_target): New method definition.
6220         (Target::do_select_as_default_target): Same.
6221
6222 2010-02-01  Doug Kwan  <dougkwan@google.com>
6223
6224         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6225         first_output_text_section_.
6226         (Arm_exidx_fixup::first_output_text_section): New method definition.
6227         (Arm_exidx_fixup::first_output_text_section_): New data member.
6228         (Arm_exidx_fixup::process_exidx_section): Record the first text
6229         output section seen.
6230         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6231         and entsize in output section header.
6232
6233 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6234
6235         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6236         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6237         (Arm_relocate_functions::thm_alu11): New Method.
6238         (Arm_relocate_functions::thm_pc8): New Method.
6239         (Arm_relocate_functions::thm_pc12): New Method.
6240         (Target_arm::Scan::local): Handle the relocations.
6241         (Target_arm::Scan::global): Likewise.
6242         (Target_arm::Relocate::relocate): Likewise.
6243         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6244
6245 2010-01-29  Doug Kwan  <dougkwan@google.com>
6246
6247         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6248         of relocation types as ld.
6249
6250 2010-01-29  Doug Kwan  <dougkwan@google.com>
6251
6252         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6253         to public.
6254         (Arm_relocate_functions::thumb_branch_common): Ditto.
6255         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6256         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6257         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6258         Arm_relocate_functions::jump24): Remove.
6259         (Target_arm::Relocate::relocate): Adjust code to call
6260         Arm_relocation_functions::arm_branch_common and
6261         Arm_relocation_functions::thumb_branch_common instead of their removed
6262         wrappers.  Merge switch-cases together to reduce source code size.
6263
6264 2010-01-29  Doug Kwan  <dougkwan@google.com>
6265
6266         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6267         output_local_symbol_count_needs_update_.
6268         (Arm_relobj::output_local_symbol_count_needs_update,
6269          Arm_relobj::set_output_local_symbol_count_needs_update,
6270          Arm_relobj::update_output_local_symbol_count): New methods.
6271         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6272         member.
6273         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6274         of pointed function as in a R_ARM_PREL31 relocation.
6275         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6276         for output local symbol count updating.
6277         (Target_arm::do_relax): Update output local symbol counts in objects
6278         if necessary.
6279         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6280
6281 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6282
6283         * arm.cc: Added support for the ARM relocations:
6284         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6285         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6286         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6287         movw_prel_nc).
6288         (Arm_relocate_functions::movw_rel): New method.
6289         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6290         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6291         thm_movw_prel_nc).
6292         (Arm_relocate_functions::thm_movw_rel): New method.
6293         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6294         thm_movt_prel).
6295         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6296         relocations.
6297         (Target_arm::Scan::global): Likewise.
6298         (Target_arm::Relocate::relocate): Likewise.
6299         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6300         Likewise.
6301
6302 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6303
6304         * arm.cc: Added support for ARM group relocations.
6305         (Target_arm::reloc_needs_sym_origin): New method.
6306         (Arm_relocate_functions::calc_grp_kn): New method.
6307         (Arm_relocate_functions::calc_grp_residual): New method.
6308         (Arm_relocate_functions::calc_grp_gn): New method.
6309         (Arm_relocate_functions::arm_grp_alu): New Method.
6310         (Arm_relocate_functions::arm_grp_ldr): New Method.
6311         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6312         (Arm_relocate_functions::arm_grp_ldc): New Method.
6313         (Target_arm::Scan::local): Handle the ARM group relocations.
6314         (Target_arm::Scan::global): Likewise.
6315         (Target_arm::Relocate::relocate): Likewise.
6316         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6317         Likewise.
6318
6319 2010-01-26  Doug Kwan  <dougkwan@google.com>
6320
6321         * arm.cc (set): Include.
6322         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6323         pointer type.
6324         (Arm_output_section::Text_section_list): New type.
6325         (Arm_output_section::append_text_sections_to_list): New method.
6326         (Arm_output_section::fix_exidx_coverage): Ditto.
6327         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6328         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6329         Relobj::set_section_offset() instead of
6330         Sized_relobj::invalidate_section_offset().
6331         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6332         parameter for section headers. Ignore relocation sections for
6333         unallocated sections and EXIDX sections.
6334         (Target_arm::fix_exidx_coverage): New method.
6335         (Target_arm::output_section_address_less_than): New type.
6336         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6337         linked text section instead of the EXIDX section.
6338         (Arm_output_section::create_stub_group): Add an assertion to check
6339         that this is not an EXIDX output section.
6340         (Arm_output_section::append_text_sections_to_list): New method.
6341         (Arm_output_section::fix_exidx_coverage): Ditto.
6342         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6343         Arm_relobj::section_needs_reloc_stub_scanning.
6344         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6345         first pass.
6346         (Target_arm::fix_exidx_coverage): New method.
6347         * object.h (Relobj::set_output_section): New method.
6348         (Sized_relobj::invalidate_section_offset): Remove method.
6349         (Sized_relobj::do_invalidate_section_offset): Remove method.
6350         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6351
6352 2010-01-25  Doug Kwan  <dougkwan@google.com>
6353
6354         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6355         Fix warning due to signed and unsigned comparison on a 32-bit host.
6356
6357 2010-01-22  Doug Kwan  <dougkwan@google.com>
6358
6359         * arm.cc (Target_arm::do_relax): Record an output section for section
6360         offset adjustment it contains any stub table that has changed.
6361         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6362         offsets in an output section if necessary.
6363         * output.cc (Output_section::Output_section): Initialize
6364         section_offsets_need_adjustments_.
6365         (Output_section::add_input_section_for_script): Renamed to
6366         Output_section::add_simple_input_section.
6367         (Output_section::save_states): Add a comment.
6368         (Output_section::discard_states): New method defintion.
6369         (Output_section::adjust_section_offsets): Same.
6370         * output.h (Output_section::add_input_section_for_script): Renamed to
6371         Output_section::add_simple_input_section.
6372         (Output_section::discard_states): New method declaration.
6373         (Output_section::adjust_section_offsets): Same.
6374         (Output_section::section_offsets_need_adjustment,
6375         Output_section::set_section_offsets_need_adjustment): New method
6376         definitions.
6377         (Output_section::section_offsets_need_adjustment_): New data member.
6378         * script-sections.cc
6379         (Output_section_element_input::set_section_address): Adjust code for
6380         renaming of Output_section::add_input_section_for_script.
6381         (Orphan_output_section::set_section_address): Same.
6382
6383 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6384
6385         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6386         Fix_v4bx enum values .
6387         * gold/options.h (General_options): New option definitions.
6388         (General_options::fix_v4bx): New method.
6389         (General_options::Fix_v4bx): New enum.
6390         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6391         (General_options::parse_fix_v4bx_interworking): New method.
6392
6393 2010-01-22  Doug Kwan  <dougkwan@google.com>
6394
6395         * arm.cc (Arm_exidx_fixup): New class.
6396
6397 2010-01-21  Doug Kwan  <dougkwan@google.com>
6398
6399         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6400         classes.
6401         (Arm_exidx_section_offset_map): New type.
6402
6403 2010-01-21  Doug Kwan  <dougkwan@google.com>
6404
6405         * arm.cc (Arm_exidx_input_section): New class.
6406         (Arm_relobj::exidx_input_section_by_link,
6407         Arm_relobj::exidx_input_section_by_shndx,
6408         Arm_relobj::make_exidx_input_section): New methods.
6409         (read_arm_attributes_section): Remove.
6410         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6411         information about them.
6412         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6413         to here.
6414
6415 2010-01-20  Doug Kwan  <dougkwan@google.com>
6416
6417         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6418         Input_section_specifier to Section_id.
6419         (Target_arm::new_arm_input_section: Adjust code for change of key
6420         type.
6421         (Target_arm::find_arm_input_section): Ditto.
6422         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6423         (Section_id): Remove.
6424         (Garbage_collection::Section_id_hash): Remove.
6425         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6426         (Section_id): Remove.
6427         (Icf::Section_id_hash): Remove.
6428         * object.h (Section_id, Const_section_id, Section_id_hash,
6429         Const_section_id_hash): New type definitions.
6430         * output.cc (Output_section::add_relaxed_input_section): Change to
6431         use Const_section_id instead of Input_section_specifier as key type.
6432         (Output_section::add_merge_input_section): Ditto.
6433         (Output_section::build_relaxation_map): Change to use Section_id
6434         instead of Input_section_specifier as key type.
6435         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6436         Ditto.
6437         (Output_section::convert_input_sections_to_relaxed_sections): Change
6438         to use Const_section_id instead of Input_section_specifier as key type.
6439         (Output_section::find_merge_section): Ditto.
6440         (Output_section::find_relaxed_input_section): Ditto.
6441         * output.h (Input_section_specifier): Remove class.
6442         (Output_section::Output_section_data_by_input_section_map): Change
6443         key type to Const_section_id.
6444         (Output_section::Output_relaxed_input_section_by_input_section_map):
6445         Ditto.
6446         (Output_section::Relaxation_map): Change key type to Section_id.
6447
6448 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6449
6450         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6451         (class Arm_v4bx_stub): New class.
6452         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6453         (Stub_factory::make_arm_v4bx_stub): New method.
6454         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6455         (Stub_table::empty): Handle v4bx stubs.
6456         (Stub_table::add_arm_v4bx_stub): New method.
6457         (Stub_table::find_arm_v4bx_stub): New method.
6458         (Arm_relocate_functions::v4bx): New method.
6459         (Target_arm::fix_v4bx): New method.
6460         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6461         (Stub_table::relocate_stubs): Likewise.
6462         (Stub_table::do_write): Likewise.
6463         (Stub_table::update_data_size_and_addralign): Likewise.
6464         (Stub_table::finalize_stubs):  Likewise.
6465         (Target_arm::Scan::local): Likewise.
6466         (Target_arm::Scan::global): Likewise.
6467         (Target_arm::do_finalize_sections): Likewise.
6468         (Target_arm::Relocate::relocate): Likewise.
6469         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6470         Likewise.
6471         (Target_arm::scan_reloc_for_stub): Likewise.
6472         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6473
6474 2010-01-19  Ian Lance Taylor  <iant@google.com>
6475
6476         * output.cc (Output_section_headers::do_sized_write): Write large
6477         segment count to sh_info field.
6478         (Output_file_header::do_sized_write): For large segment count,
6479         write PN_XNUM to e_phnum field.
6480
6481 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6482
6483         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6484         (Arm_relocate_functions::thm_jump8): New function.
6485         (Arm_relocate_functions::thm_jump11): New function.
6486         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6487         R_ARM_THM_JUMP11.
6488         (Target_arm::Scan::global): Likewise.
6489         (Target_arm::Relocate::relocate): Likewise.
6490         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6491         Likewise.
6492
6493 2010-01-14  Doug Kwan  <dougkwan@google.com>
6494
6495         * arm.cc (map, utility): Include headers.
6496         (Target_arm::apply_cortex_a8_workaround): New method.
6497         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6498         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6499         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6500         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6501         the --[no-]fix-cortex-a8 command line options.
6502         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6503         (Target_arm::relocate_stub): Use addend in instruction template.
6504         * options.h (DEFINE_bool): Set the user-set flag.
6505         (General_options): Add --[no-]-fix-cortex options.
6506         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6507         : Update fast look-up map after conversion.
6508
6509 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6510
6511         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6512         in the first pass of do_layout.
6513
6514 2010-01-13  Doug Kwan  <dougkwan@google.com>
6515
6516         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6517         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6518         apparent compiler problem of not folding static constant integral
6519         data members of elfcpp::Elf_sizes<32>.
6520
6521 2010-01-13  Doug Kwan  <dougkwan@google.com>
6522
6523         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6524         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6525         Arm_relobj::scan_section_for_cortex_a8_erratum,
6526         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6527         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6528         sections to scan for relocation stubs into a new method
6529         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6530         relocation and Cortex-A8 stub scanning.
6531         (Target_arm::do_relax): Force stubs to be after stubbed sections
6532         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6533         the beginning of a new relaxation pass.  Update a comment.
6534         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6535
6536 2010-01-12  Ian Lance Taylor  <iant@google.com>
6537
6538         * target-reloc.h (visibility_error): New inline function.
6539         (relocate_section): Call visibility_error.
6540         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6541         (MOSTLYCLEANFILES): Likewise.
6542         (protected_4_pic.o, protected_3.err): New targets.
6543         * testsuite/protected_4.cc: New file.
6544
6545 2010-01-12  Doug Kwan  <dougkwan@google.com>
6546
6547         * arm.cc (Cortex_a8_reloc): New class.
6548         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6549         and cortex_a8_relocs_info_.
6550         (Target_arm::fix_cortex_a8): New method definition.
6551         (Target_arm::Cortex_a8_relocs_info): New type.
6552         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6553         New data member declarations.
6554         (Target_arm::scan_reloc_for_stub): Record information about
6555         relocations for THUMB branches that might be exempted from the
6556         Cortex-A8 workaround.
6557         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6558         at the beginning of a relaxation pass.
6559
6560 2010-01-12  Doug Kwan  <dougkwan@google.com>
6561
6562         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6563         (Arm_relobj::Mapping_symbol_position,
6564          Arm_reloj::Mapping_symbol_position_less,
6565          Arm_relobj::Mapping_symbols_info): New types.
6566         (Target_arm::is_mapping_symbol_name): New method definition.
6567         (Arm_relobj::do_count_local_symbols): Save information about mapping
6568         symbols.
6569
6570 2010-01-11  Doug Kwan  <dougkwan@google.com>
6571
6572         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6573         Arm_relocate_functions::thumb32_branch_upper,
6574         Arm_relocate_functions::thumb32_branch_lower,
6575         Arm_relocate_functions::thumb32_cond_branch_offset,
6576         Arm_relocate_functions::thumb32_cond_branch_upper,
6577         Arm_relocate_functions::thumb32_cond_branch_lower,
6578         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6579         branch offset encoding.
6580         (Arm_relocate_functions::thumb_branch_common): Use new branch
6581         offset encoding methods to avoid code duplication.
6582         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6583         (Stub_addend_reader::operator()): Use new branch encoding method
6584         to avoid code duplication.
6585
6586 2010-01-11  Doug Kwan  <dougkwan@google.com>
6587
6588         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6589         (Target_arm::do_finalize_sections): Define special EXIDX section
6590         symbols only if referenced.
6591         * gc.h (Garbage_collection::add_reference): New method.
6592         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6593         code duplication.
6594
6595 2010-01-11  Ian Lance Taylor  <iant@google.com>
6596
6597         * script.cc (Version_script_info::build_expression_list_lookup):
6598         Change complaing about duplicate wildcard match from error to
6599         warning.
6600
6601         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6602         of 2009-12-30.
6603         (Version_script_info::Version_script_info): Initialize globs_,
6604         default_version_, default_is_global_, and exact_.  Don't
6605         initialize globals_ or locals_.
6606         (Version_script_info::build_lookup_tables): Build local symbols
6607         first.
6608         (Version_script_info::unquote): New function.
6609         (Version_script_info::add_exact_match): New function.
6610         (Version_script_info::build_expression_list_lookup): Remove lookup
6611         parameter.  Add is_global parameter.  Change all callers.  Handle
6612         wildcard pattern specially.  Unquote pattern.  Call
6613         add_exact_match.
6614         (Version_script_info::get_name_to_match): New function.
6615         (Version_script_info::get_symbol_version): New function.
6616         (Version_script_info::get_symbol_version_helper): Remove.
6617         (Version_script_info::check_unmatched_names): Call unquote.
6618         * script.h (class Version_script_info): Change get_symbol_version
6619         to be non-inline and add is_global parameter; change all callers.
6620         Rewrite symbol_is_local.  Update declarations.  Define struct
6621         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6622         Remove globals_ and locals_ members.  Add exact_, globs_,
6623         default_version_, is_global_.
6624         (Version_script_info::Glob): Remove pattern, add expression and
6625         is_global.  Update constructor.  Change all callers.
6626         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6627         default version.
6628         (Versions::symbol_section_contents): If a symbol is undefined, or
6629         defined in a dynamic object, set the version index to
6630         VER_NDX_LOCAL.
6631         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6632         symbol_is_local.
6633         (Symbol_table::add_from_pluginobj): Likewise.
6634         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6635
6636 2010-01-11  Doug Kwan  <dougkwan@google.com>
6637
6638         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6639         (incremental_dump_LDADD): Add linking option for libintl.
6640         * Makefile.in: Regenerate.
6641
6642 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6643
6644         PR gold/11144
6645         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6646         instead of -Ds.
6647         * testsuite/Makefile.in: Regenerated.
6648
6649 2010-01-10  Doug Kwan  <dougkwan@google.com>
6650
6651         * options.h (DEFINE_var): Use parentheses around argument varname__
6652         in macro body to avoid any unintended subsequent substitutions.
6653
6654 2010-01-10  Ian Lance Taylor  <iant@google.com>
6655
6656         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6657         candidates before doing symbol resolution.
6658
6659         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6660         ODR candidates if only one is weak.
6661
6662 2010-01-08  Ian Lance Taylor  <iant@google.com>
6663
6664         * script.cc (Version_script_info::build_expression_list_lookup):
6665         Don't warn about ambiguous version, just record the ambiguity.
6666         (Version_script_info::get_symbol_version_helper): Give error if
6667         version is ambiguous.
6668
6669 2010-01-08  Doug Kwan  <dougkwan@google.com>
6670
6671         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6672           prev_data_size_ and prev_addralign_.  Remove initializer for
6673           deleted data member has_been_changed_.
6674           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6675           to determine if the table is empty.
6676           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6677           Remove.
6678           (Stub_table::add_reloc_stub): Define method in class definition
6679           instead of just declaring it there.
6680           (Stub_table::add_cortex_a8_stub): New method definition.
6681           (Stub_table::update_data_size_and_addralign): Ditto.
6682           (Stub_table::finalize_stubs): Ditto.
6683           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6684           (Stub_table::do_addralign_): Return address alignment in the
6685           (Stub_table::do_reset_address_and_file_offset): Define method in
6686           class definition instead of declaring it there.  Set current data
6687           size to be the data size of the previous pass.
6688           (Stub_table::set_final_data_size): Use current data size as the
6689           final data size.
6690           (Stub_table::relocate_stub): Change parameter type of stub from
6691           Reloc_stub pointer to Stub pointer.
6692           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6693           (Stub_table::Cortex_a8_stub_list): New typedef.
6694           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6695            Stub_table::prev_addralign_): New data member.
6696           (Arm_relobj::Arm_relobj): Initialize data member
6697           section_has_cortex_a8_workaround_.
6698           (Arm_relobj::section_has_cortex_a8_workaround,
6699            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6700            definitions.
6701           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6702           declarations.
6703           (Target_arm::relocate_stub): Change parameter type of stub from
6704           Reloc_stub pointer to Stub pointer.
6705           (Insn_template::size, Insn_template::alignment): Handle
6706           THUMB16_SPECIAL_TYPE.
6707           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6708            Stub_table::update_data_size_and_addralign,
6709            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6710           definitions.
6711           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6712           (Stub_table::do_write): Ditto.
6713           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6714
6715 2010-01-08  Ian Lance Taylor  <iant@google.com>
6716
6717         PR 11108
6718         * symtab.h (class Symbol): Remove fields is_target_special_ and
6719         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6720         (Symbol::is_defined_in_discarded_section): New function.
6721         (Symbol::set_is_defined_in_discarded_section): New function.
6722         (Symbol::has_plt_offset): Rewrite.
6723         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6724         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6725         Don't initialize is_target_special_ or has_plt_offset_.
6726         Initialize is_defined_in_discarded_section_.
6727         (Symbol_table::add_from_relobj): If appropriate, set
6728         is_defined_in_discarded_section.
6729         * resolve.cc (Symbol::override_base_with_special): Don't test
6730         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6731         * target-reloc.h (relocate_section): Do special handling for
6732         symbols defined in discarded sections for global symbols as well
6733         as local symbols.
6734
6735 2010-01-08  Ian Lance Taylor  <iant@google.com>
6736
6737         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6738         the SHT_SYMTAB case.
6739
6740 2010-01-08  Ian Lance Taylor  <iant@google.com>
6741
6742         * object.cc (Sized_relobj::do_layout): Don't get confused if
6743         layout_eh_frame returns NULL.
6744
6745 2010-01-08  Ian Lance Taylor  <iant@google.com>
6746
6747         PR 11084
6748         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6749         dynamic symbol table, use the normal symbol table.
6750         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6751         symbol table.
6752
6753 2010-01-08  Ian Lance Taylor  <iant@google.com>
6754
6755         PR 11072
6756         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6757         sections.
6758
6759 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6760
6761         * version.cc (print_version): Change to "Copyright 2010".
6762
6763 2010-01-08  Ian Lance Taylor  <iant@google.com>
6764
6765         PR 10287
6766         PR 11063
6767         * i386.cc (class Target_i386): Change return type of plt_section
6768         to be non-const.
6769         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6770         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6771         tls_desc_rel_ field.
6772         (Output_data_plt_i386::rel_tls_desc): New function.
6773         (Target_i386::rel_tls_desc_section): New function.
6774         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6775         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6776         R_386_TLS_DESC reloc in rel_tls_desc_section.
6777         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6778         Define struct Tlsdesc_info.
6779         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6780         (Target_x86_64::do_reloc_symbol_index): New function.
6781         (Target_x86_64::add_tlsdesc_info): New function.
6782         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6783         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6784         tlsdesc_rel_ field.
6785         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6786         all callers.
6787         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6788         (Target_x86_64::rela_tlsdesc_section): New function.
6789         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6790         handling.
6791         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6792         (Target_x86_64::do_reloc_addend): New function.
6793         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6794         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6795         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6796         (Output_reloc::type): New function.
6797         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6798         (Output_reloc::is_target_specific): New function.
6799         (Output_reloc::target_arg): New function.
6800         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6801         absolute relocs and target specific relocs.
6802         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6803         add_target_specific.
6804         (class Output_data_reloc) [SHT_RELA]: Likewise.
6805         * output.cc (Output_reloc::Output_reloc): Add four new versions
6806         for absolute relocs and target specific relocs.
6807         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6808         (Output_reloc::get_symbol_index): Likewise.
6809         (Output_reloc::local_section_offset): Check that local_sym_index_
6810         is not TARGET_CODE or 0.
6811         (Output_reloc::symbol_value): Likewise.
6812         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6813         reloc.
6814         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6815         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6816         functions.
6817         * layout.cc (add_target_dynamic_tags): Use output section for
6818         DT_PLTRELSZ and DT_JMPREL.
6819
6820 2010-01-07  Ian Lance Taylor  <iant@google.com>
6821
6822         PR 11061
6823         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6824         function.
6825         (class Output_data_reloc_generic): Define.
6826         (class Output_data_reloc_base): Change base class to
6827         Output_data_reloc_generic.  Change add() method to call
6828         bump_relative_reloc_count for a relative reloc.  Remove
6829         sort_relocs_ field.
6830         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6831         to sort_relocs().
6832         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6833         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6834         appropriate.
6835         * layout.h (class Layout): Update declaration.
6836
6837 2010-01-07  Ian Lance Taylor  <iant@google.com>
6838
6839         * output.h (class Output_data): Add const version of
6840         output_section and do_output_section.
6841         (class Output_section_data): Add const version of
6842         do_output_section.
6843         (class Output_section): Likewise.
6844         * layout.cc (Layout::add_target_dynamic_tags): New function.
6845         * layout.h (class Layout): Update declarations.
6846         * arm.cc (Target_arm::do_finalize_sections): Use
6847         add_target_dynamic_tags.
6848         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6849         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6850         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6851         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6852
6853 2010-01-07  Ian Lance Taylor  <iant@google.com>
6854
6855         PR 11042
6856         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6857         object as needed.
6858
6859 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6860             Ian Lance Taylor  <iant@google.com>
6861
6862         PR 11019
6863         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6864         Xindex::read_symtab_xindex.
6865
6866 2010-01-07  Doug Kwan  <dougkwan@google.com>
6867
6868         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6869         (Insn_template::thumb16_bcond_insn): New method declaration.
6870         (Insn_template): Fix spelling.
6871         (Stub::thumb16_special): New method declaration.
6872         (Stub::do_write): Define virtual method which was previously pure
6873         virtual.
6874         (Stub::do_thumb16_special): New method declaration.
6875         (Stub::do_fixed_endian_write): New template member.
6876         (Reloc_stub::do_write): Remove.
6877         (Reloc_stub::do_fixed_endian_write): Remove.
6878         (Cortex_a8_stub): New class definition.
6879         (Stub_factory::make_cortex_a8_stub): New method definition.
6880         (Stub_factory::Stub_factory): Add missing static storage class
6881         qualifier for elf32_arm_stub_a8_veneer_blx.
6882
6883 2010-01-07  Ian Lance Taylor  <iant@google.com>
6884
6885         PR 10980
6886         * options.h (class General_options): Add --warn-unresolved-symbols
6887         and --error-unresolved-symbols.
6888         * errors.cc (Errors::undefined_symbol): Implement
6889         --warn-unresolved-symbols.
6890
6891         * options.h (class General_options): Add -z text and -z textoff.
6892         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6893
6894 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6895
6896         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6897         (Garbage_collection::cident_sections): New function.
6898         (Garbage_collection::add_cident_section): New function.
6899         (Garbage_collection::cident_sections_): New member.
6900         (gc_process_relocs): Add references to sections whose names are C
6901         identifiers.
6902         * gold.h (cident_section_start_prefix): New constant.
6903         (cident_section_stop_prefix): New constant.
6904         (is_cident): New function.
6905         * layout.cc (Layout::define_section_symbols): Replace string constants
6906         with the newly defined constants.
6907         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6908         C identifiers.
6909         * testsuite/Makefile.am: Add gc_orphan_section_test.
6910         * testsuite/Makefile.in: Regenerate.
6911         * testsuite/gc_orphan_section_test.cc: New file.
6912         * testsuite/gc_orphan_section_test.sh: New file.
6913
6914 2010-01-06  Ian Lance Taylor  <iant@google.com>
6915
6916         PR 10980
6917         * options.h (class General_options): Add --warn-shared-textrel.
6918         * layout.cc (Layout::finish_dynamic_section): Implement
6919         --warn-shared-textrel.
6920
6921         PR 10980
6922         * options.h (class General_options): Add --warn-multiple-gp.
6923
6924 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6925
6926         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6927         $(THREADSLIB) and $(LIBDL).
6928         * Makefile.in: Rebuild.
6929
6930 2010-01-06  Ian Lance Taylor  <iant@google.com>
6931
6932         PR 10980
6933         * options.cc (General_options::parse_section_start): New function.
6934         (General_options::section_start): New function.
6935         (General_options::General_options): Initialize all members.
6936         * options.h: Include <map>
6937         (class General_options): Add --section-start.  Add section_starts_
6938         member.
6939         * layout.cc (Layout::attach_allocated_section_to_segment): If
6940         --section-start was used, set the address of the segment.  Remove
6941         local sort_sections.
6942         (Layout::relaxation_loop_body): If the address of the load segment
6943         has been set by --section-start, don't use it.
6944         * output.h (Output_segment::update_flags_for_output_section): New
6945         function.
6946         * output.cc (Output_segment::add_output_section): Call
6947         update_flags_for_output_section.
6948
6949 2010-01-05  Ian Lance Taylor  <iant@google.com>
6950
6951         PR 10980
6952         * options.h (class General_options): Add --undefined-version.
6953         * script.cc (struct Version_expression): Add was_matched_by_symbol
6954         field.
6955         (Version_script_info::matched_symbol): New function.
6956         (Version_script_info::get_symbol_version_helper): Call
6957         matched_symbol.
6958         (Version_script_info::check_unmatched_names): New function.
6959         * script.h (class Version_script_info): Update declarations.
6960         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6961
6962         * options.h (class General_options): Use DEFINE_bool_alias for
6963         allow_multiple_definition.
6964         * resolve.cc (Symbol_table::should_override): Don't test
6965         allow_multiple_definition.
6966
6967         PR 10980
6968         * options.h (class General_options): Add --cref.
6969         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6970         until after printing cref table.
6971         * cref.cc: Include "symtab.h".
6972         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6973         (Cref_table_compare::operator()): New function.
6974         (Cref_inputs::gather_cref): New function.
6975         (filecol): New static const.
6976         (Cref_inputs::print_cref): New function.
6977         (Cref::print_cref): New function.
6978         * cref.h: Include <cstdio>.
6979         (class Cref): Update declarations.
6980         * mapfile.h (Mapfile::file): New function.
6981         * object.h (class Object): Define Symbols.  Declare virtual
6982         do_get_global_symbols.
6983         (Object::get_global_symbols): New function.
6984         * object.cc (Input_objects::add_object): Pass object to cref_ if
6985         --cref.
6986         (Input_objects::archive_start): Likewise.
6987         (Input_objects::archive_stop): Likewise.
6988         (Input_objects::print_cref): New function.
6989         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6990         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6991         --cref.
6992         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6993         function.
6994         * plugin.h (class Sized_pluginobj): Update declarations.
6995
6996 2010-01-05  Ian Lance Taylor  <iant@google.com>
6997
6998         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6999         to is_default_version.  Rename insdef to insdefault.
7000         (Symbol_table::add_from_relobj): Rename def to is_default_version
7001         and local to is_forced_local.
7002         (Symbol_table::add_from_pluginobj): Likewise.
7003         (Symbol_table::add_from_dynobj): Likewise.
7004         (Symbol_table::define_special_symbol): Rename insdef to
7005         insdefault.
7006
7007 2010-01-04  Ian Lance Taylor  <iant@google.com>
7008
7009         PR 10980
7010         * options.h (class General_options): Add
7011         --allow-multiple-definition and -z muldefs.
7012         * resolve.cc (Symbol_table::should_override): Don't warn about a
7013         multiple symbol definition if --allow-multiple-definition or -z
7014         muldefs.
7015
7016         PR 10980
7017         * options.h (class General_options): Add --add-needed and
7018         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7019         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7020         error if --copy-dt-needed-entries aka --add-needed is used and
7021         would cause a change in behaviour.
7022
7023         PR 10980
7024         * options.h (class General_options): Add -G as a short version of
7025         --shared.  Add no-op options -assert, -g, and -i.
7026
7027 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7028
7029         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7030         check for .text or .gnu.linkonce.t sections.
7031         * icf.cc (Icf::find_identical_sections): Ditto.
7032         Change the detection for mangled function name within the section
7033         name.
7034         * icf.h (is_section_foldable_candidate): New function.
7035
7036 2009-12-30  Ian Lance Taylor  <iant@google.com>
7037
7038         PR 10980
7039         * options.h (class General_options): Permit two dashes with
7040         --retain-symbols-file.
7041
7042 2009-12-30  Ian Lance Taylor  <iant@google.com>
7043
7044         PR 10979
7045         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7046         don't put the file header and segment headers in the text
7047         segment.
7048
7049         PR 10979
7050         * common.cc (Sort_commons::operator()): Stabilize sort when both
7051         entries are NULL.
7052         (Symbol_table::do_allocate_commons_list): When allocating common
7053         symbols, skip a symbol which is no longer common.
7054         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7055         an object before checking its type.
7056         * testsuite/common_test_2.c: New file.
7057         * testsuite/common_test_3.c: New file.
7058         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7059         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7060         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7061         (common_test_2_pic.o, common_test_2.so): New targets.
7062         (common_test_3_pic.o, common_test_3.so): New targets.
7063         * testsuite/Makefile.in: Rebuild.
7064
7065         PR 10979
7066         * script.cc (read_input_script): If we see a new SECTIONS clause,
7067         and we have added an input section, give an error.
7068         * layout.h (class Layout): Add have_added_input_section function.
7069         Add have_added_input_section_ field.
7070         * layout.cc (Layout::Layout): Initialize
7071         have_added_input_section_.
7072         (Layout::layout): Set have_added_input_section_.
7073         (Layout::layout_eh_frame): Likewise.
7074
7075 2009-12-30  Ian Lance Taylor  <iant@google.com>
7076
7077         PR 10931
7078         * options.h (class General_options): Add --sort-common option.
7079         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7080         * common.cc (Sort_common): Add sort_order parameter to
7081         constructor.  Add sort_order_ field.
7082         (Sort_commons::operator): Check sort_order_.
7083         (Symbol_table::allocate_commons): Determine the sort order.
7084         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7085         Change all callers.
7086         (Symbol_table::do_allocate_commons_list): Likewise.
7087
7088 2009-12-30  Ian Lance Taylor  <iant@google.com>
7089
7090         PR 10916
7091         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7092         symbols from this object, don't change the visibility of an
7093         undefined symbol.
7094         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7095
7096 2009-12-30  Ian Lance Taylor  <iant@google.com>
7097
7098         PR 10861
7099         * script.h (class Version_script_info): Define Language enum.
7100         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7101         new fields globals_, locals_, and is_finalized_.
7102         * script.cc: Various formatting fixes.
7103         (class Parser_closure): Change language_stack_ from a vector of
7104         std::string to one of Version_script_info::Language.  Adjust all
7105         uses accordingly.
7106         (class Lazy_demangler): Remove.
7107         (struct Version_expression): Change language from std::string to
7108         Version_script_info::Language.
7109         (Version_script_info::Version_script_info): New function.
7110         (Version_script_info::~Version_script_info): Don't call clear.
7111         (Version_script_info::finalize): New function.
7112         (Version_script_info::build_lookup_tables): New function.
7113         (Version_script_info::build_expression_list_lookup): New
7114         function.
7115         (Version_script_info::get_symbol_version_helper): Rewrite to use
7116         lookup tables.
7117         (Version_script_info::print_expression_list): Adjust to use
7118         Version_script_info::Language.
7119         (script_push_lex_into_version_mode): Check that the version script
7120         has not been finalized.
7121         (version_script_push_lang): Change language string to
7122         Version_script_info::Language.
7123         * options.cc (Command_line::version_script): New function.
7124         * options.h (class General_options): Add finalize_dynamic_list
7125         function.  Change version_script from declaration to definition.
7126         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7127         * testsuite/version_script.map: Remove duplicate def of foo.
7128         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7129         version_script.map.
7130         * testsuite/Makefile.in: Rebuild.
7131
7132 2009-12-30  Ian Lance Taylor  <iant@google.com>
7133
7134         PR 10843
7135         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7136         if the input symbol index is 0, make the output symbol index 0.
7137
7138 2009-12-30  Ian Lance Taylor  <iant@google.com>
7139
7140         PR 10670
7141         * options.h (class General_options): Add -x/--discard-all.
7142         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7143         --discard-all.  If the local symbol needs a dynamic entry, check
7144         that before handling --discard-locals.
7145
7146 2009-12-30  Ian Lance Taylor  <iant@google.com>
7147
7148         PR 10450
7149         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7150         flags to PF_R.
7151         (Output_segment::add_output_section): Don't change the flags if
7152         the type is PT_TLS.
7153
7154         PR 10450
7155         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7156         GNU hash table if they need a dynamic value.  Otherwise, don't add
7157         them if they are defined in a dynamic object or are forced local.
7158
7159 2009-12-29  Ian Lance Taylor  <iant@google.com>
7160
7161         PR 10450
7162         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7163         .gnu.hash table for a 32-bit target.
7164
7165         PR 10450
7166         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7167         regular and a dynamic object only needs a dynamic symbol table
7168         entry if it is externally visible.
7169
7170         PR 10450
7171         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7172         constructor.  Add global_offset_table_ field.
7173         (Target_i386::got_section): Set global_offset_table_.
7174         (Target_i386::do_finalize_sections): Set global_offset_table_
7175         size.
7176         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7177         in constructor.  Add global_offset_table_ field.
7178         (Target_x86_64::got_section): Set global_offset_table_.
7179         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7180         size.
7181
7182         * layout.cc (Layout::Layout): Initialize increase_relro_.
7183         (Layout::get_output_section): Add is_relro, is_last_relro, and
7184         is_first_non_relro parameters.  Change all callers.
7185         (Layout::choose_output_section): Likewise.
7186         (Layout::add_output_section_data): Likewise.
7187         (Layout::make_output_section): Likewise.
7188         (Layout::set_segment_offsets): Clear increase_relro when using a
7189         linker script.
7190         * layout.h (class Layout): Add increase_relro method.  Add
7191         increase_relro_ field.  Update declarations.
7192         * output.cc (Output_section::Output_section): Initialize
7193         is_last_relro_ and is_first_non_relro_.
7194         (Output_segment::add_output_section): Group relro sections is
7195         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7196         (Output_segment::maximum_alignment): Remove relro handling.
7197         (Output_segment::set_section_addresses): Add increase_relro
7198         parameter.  Change all callers.  Add initial alignment to align
7199         relro sections on separate page.  Remove old relro handling.
7200         (Output_segment::set_section_list_addresses): Remove in_relro
7201         parameter.  Change all callers.
7202         (Output_segment::set_offset): Add increase parameter.  Change all
7203         callers.  Remove old relro handling.
7204         * output.h (class Output_section): Add new methods: is_last_relro,
7205         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7206         Add is_last_relro_ and is_first_non_relro_ fields.
7207         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7208         Create separate .got.plt section.  Call increase_relro.
7209         * x86_64.cc (Target_x86_64::got_section): Likewise.
7210         * testsuite/relro_script_test.t: Add .got.plt.
7211
7212         PR 10450
7213         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7214         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7215         (Layout::finalize): Call set_dynamic_symbol_size.
7216         (Layout::set_dynamic_symbol_size): New function.
7217         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7218         set_dynamic_symbol_size.
7219
7220         PR 10450
7221         * output.h (class Output_section): Add is_entsize_zero_ field.
7222         * output.cc (Output_section::Output_section): Initialize
7223         is_entsize_zero_.
7224         (Output_section::set_entsize): If two different entsizes are
7225         requested, force it to zero.
7226         (Output_section::add_input_section): Set flags for .debug_str
7227         before updating section flags.  Set entsize.
7228         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7229         and SHF_STRING if all input sections have those flags.
7230
7231 2009-12-29   Rafael Espindola  <espindola@google.com>
7232
7233         * main.cc (main): Fix the sys time reporting.
7234         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7235         reporting.
7236
7237 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7238
7239         * options.cc (General_options::parse_version): Allow -v to exit
7240         without an error if there is nothing to link.
7241
7242 2009-12-29  Ian Lance Taylor  <iant@google.com>
7243
7244         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7245         using a version of gcc before 4.1.
7246         * configure: Rebuild.
7247
7248 2009-12-28  Chris Demetriou  <cgd@google.com>
7249
7250         * attributes.cc (Output_attributes_section_data::do_write): Use
7251         std::vector::front rather than std::vector::data.
7252
7253 2009-12-28  Ian Lance Taylor  <iant@google.com>
7254
7255         * symtab.h (class Symbol_table): Add enum Defined.
7256         * resolve.cc (Symbol_table::should_override): Add defined
7257         parameter.  Change all callers.  Test whether object is NULL
7258         before calling a method on it.
7259         (Symbol_table::report_resolve_problem): Add defined parameter.
7260         Change all callers.
7261         (Symbol_table::should_override_with_special): Likewise.
7262         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7263         parameter.  Change all callers.
7264         (Symbol_table::do_define_in_output_data): Likewise.
7265         (Symbol_table::define_in_output_segment): Likewise.
7266         (Symbol_table::do_define_in_output_segment): Likewise.
7267         (Symbol_table::define_as_constant): Likewise.
7268         (Symbol_table::do_define_as_constant): Likewise.
7269         * script.h (class Symbol_assignment): Add is_defsym parameter to
7270         constructor; change all callers.
7271         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7272         parameter.  Change all callers.  Add is_defsym_ field.
7273         (class Parser_closure): Add parsing_defsym parameter to
7274         constructor; change all callers.  Add parsing_defsym accessor
7275         function.  Add parsing_defsym_ field.
7276
7277 2009-12-28  Ian Lance Taylor  <iant@google.com>
7278
7279         * gold.cc (queue_middle_tasks): Fix formatting.
7280         * object.cc (Relobj::is_section_name_included): Likewise.
7281
7282 2009-12-23  Ian Lance Taylor  <iant@google.com>
7283
7284         * i386.cc (Target_i386::do_calls_non_split): Recognize
7285         -fsplit-stack prologue for a function with a static chain.
7286         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7287         -fsplit-stack prologue when using %r11.
7288
7289 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7290
7291         * options.cc (General_options::parse_version): Make -v continue and do
7292         the link like GNU ld does.
7293
7294 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7295
7296         * Makefile.am (CCFILES): Add timer.cc.
7297         (HFILES): Add timer.h.
7298         * configure.ac: Check for sysconf and times.
7299         * main.cc: include timer.h.
7300         (main): Use Timer instead of get_run_time.
7301         * timer.cc: New.
7302         * timer.h: New.
7303         * workqueue.cc: include timer.h.
7304         (Workqueue::find_and_run_task):
7305         Report user, sys and wall time.
7306         * Makefile.in: Regenerate.
7307         * config.in: Regenerate.
7308         * configure: Regenerate.
7309
7310 2009-12-16  Doug Kwan  <dougkwan@google.com>
7311
7312         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7313         sections.
7314         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7315         relaxed input sections.
7316         * output.cc (Output_section::find_relaxed_input_section): Change
7317         return type to Output_relaxed_input_section pointer.  Adjust code
7318         for new type of relaxed_input_section_map_.
7319         * output.h (Output_section::find_relaxed_input_section): Change
7320         return type to Output_relaxed_input_section pointer.
7321         (Output_section::Output_relaxed_input_section_by_input_section_map):
7322         New type.
7323         (Output_section::relaxed_input_section_map_): Change type to
7324         Output_section::Output_relaxed_input_section_by_input_section_map.
7325         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7326         input section.
7327
7328 2009-12-15  Ian Lance Taylor  <iant@google.com>
7329
7330         * layout.cc (Layout::create_shstrtab): Only write out after input
7331         sections if we are compressing debug sections.
7332
7333 2009-12-15  Ian Lance Taylor  <iant@google.com>
7334
7335         * archive.cc (Archive::add_symbols): Only look up a symbol without
7336         a version if there is, in fact, a version.
7337
7338 2009-12-14  Ian Lance Taylor  <iant@google.com>
7339
7340         Revert -Wshadow changes, all changes from:
7341         2009-12-11  Doug Kwan  <dougkwan@google.com>
7342         2009-12-11  Nick Clifton  <nickc@redhat.com>
7343         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7344
7345 2009-12-11  Doug Kwan  <dougkwan@google.com>
7346
7347         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7348         due to -Wshadow.
7349         * attributes.cc (Object_attribute::size): Ditto.
7350         (Attributes_section_data::size): Ditto.
7351         (Attributes_section_data::Attributes_section_data): Ditto.
7352         (Output_attributes_section_data::do_write): Ditto.
7353         * attributes.h (Object_attribute::set_type): Ditto.
7354         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7355
7356 2009-12-11  Nick Clifton  <nickc@redhat.com>
7357
7358         * archive.cc: Fix shadowed variable warnings.
7359         * arm.cc: Likewise.
7360         * compressed_output.cc: Likewise.
7361         * compressed_output.h: Likewise.
7362         * configure: Likewise.
7363         * dwarf_reader.cc: Likewise.
7364         * dynobj.cc: Likewise.
7365         * dynobj.h: Likewise.
7366         * ehframe.cc: Likewise.
7367         * ehframe.h: Likewise.
7368         * errors.cc: Likewise.
7369         * expression.cc: Likewise.
7370         * fileread.cc: Likewise.
7371         * fileread.h: Likewise.
7372         * freebsd.h: Likewise.
7373         * i386.cc: Likewise.
7374         * icf.cc: Likewise.
7375         * incremental.h: Likewise.
7376         * layout.cc: Likewise.
7377         * layout.h: Likewise.
7378         * mapfile.cc: Likewise.
7379         * merge.cc: Likewise.
7380         * merge.h: Likewise.
7381         * object.cc: Likewise.
7382         * object.h: Likewise.
7383         * options.h: Likewise.
7384         * output.cc: Likewise.
7385         * output.h: Likewise.
7386         * parameters.cc: Likewise.
7387         * plugin.cc: Likewise.
7388         * powerpc.cc: Likewise.
7389         * reduced_debug_output.cc: Likewise.
7390         * reduced_debug_output.h: Likewise.
7391         * reloc.cc: Likewise.
7392         * reloc.h: Likewise.
7393         * resolve.cc: Likewise.
7394         * script-sections.cc: Likewise.
7395         * script.cc: Likewise.
7396         * script.h: Likewise.
7397         * sparc.cc: Likewise.
7398         * symtab.cc: Likewise.
7399         * symtab.h: Likewise.
7400         * target-select.cc: Likewise.
7401         * target-select.h: Likewise.
7402         * token.h: Likewise.
7403         * workqueue.cc: Likewise.
7404         * workqueue.h: Likewise.
7405         * x86_64.cc: Likewise.
7406
7407 2009-12-10  Doug Kwan  <dougkwan@google.com>
7408
7409         * arm.cc (attributes.h): New include.
7410         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7411         (Arm_relobj::~Arm_relobj): Delete object pointed by
7412         attributes_section_data_.
7413         (Arm_relobj::attributes_section_data): New method definition.
7414         (Arm_relobj::attributes_section_data_): New data member declaration.
7415         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7416         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7417         attributes_section_data_.
7418         (Arm_dynobj::attributes_section_data): New method definition.
7419         (Arm_dynobj::attributes_section_data_): New data member declaration.
7420         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7421         initialization value of may_use_blx_ to false.
7422         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7423         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7424         object attributes to compute results instead of hard-coding.
7425         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7426         Target_arm::get_secondary_compatible_arch,
7427         Target_arm::set_secondary_compatible_arch
7428         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7429         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7430         New method declarations.
7431         (Target_arm::get_aeabi_object_attribute): New method definition.
7432         (Target_arm::attributes_section_data_): New data member declaration.
7433         (read_arm_attributes_section): New template definition.
7434         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7435         (Arm_dynobj::do_read_symbols): Ditto.
7436         (Target_arm::do_finalize_sections): Merge attributes sections from
7437         input.  Check for BLX use after attributes section merging.
7438         Fix __exidx_start and __exidx_end visibility.  Create an
7439         .ARM.attributes section if necessary.
7440         (Target_arm::get_secondary_compatible_arch,
7441         Target_arm::set_secondary_compatible_arch,
7442         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7443         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7444         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7445         New method definitions.
7446
7447 2009-12-09  Ian Lance Taylor  <iant@google.com>
7448
7449         * plugin.cc (Plugin::load): Don't cast from void* to a function
7450         pointer.
7451
7452 2009-12-09  Ian Lance Taylor  <iant@google.com>
7453
7454         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7455         information fields.
7456
7457 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7458
7459         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7460         Replace two_file_shared_1.so with two_file_shared_2.so.
7461         * testsuite/Makefile.in: Regenerated.
7462
7463 2009-12-08  Doug Kwan  <dougkwan@google.com>
7464
7465         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7466         (HFILES): Add attributes.h and int_encoding.h.
7467         * Makefile.in: Regenerate.
7468         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7469         function definitions to int_encoding.cc
7470         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7471         prototypes to int_encoding.h
7472         * reduced_debug_output.cc (int_encoding.h): New include.
7473         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7474         function definitions to int_encoding.cc
7475         (insert_into_vector, read_from_pointer): Move template definitions to
7476         int_encoding.h
7477         * attributes.cc: New file.
7478         * attributes.h: New file.
7479         * int_encoding.cc: New file.
7480         * int_encoding.h: New file.
7481
7482 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7483
7484         PR gold/11055
7485         * incremental-dump.cc (dump_incremental_inputs): New.
7486         (main): Use dump_incremental_inputs.
7487
7488 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7489
7490         PR gold/10893
7491         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7492         checking elfcpp::STT_FUNC.
7493         (Target_i386::Relocate::relocate): Likewise.
7494         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7495
7496         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7497         symbols from shared libraries into normal FUNC symbols.
7498
7499         * symtab.h (Symbol): Add is_func and use it.
7500
7501 2009-12-05  Doug Kwan  <dougkwan@google.com>
7502
7503         * arm.cc (Target_arm::arm_info): Initialize new fields
7504         attributes_section and attributes_vendor.
7505         * i386.cc (Target_i386::i386_info): Same.
7506         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7507         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7508         fields attributes_section and attributes_vendor.
7509         * sparc.cc (Target_sparc::sparc_info): Same.
7510         * target.h (Target::attributes_section, Target::attributes_vendor,
7511         Target::is_attributes_section, Target::attribute_arg_type,
7512         Target::attributes_order): New method definitions.
7513         (Target::Target_info::attributes_section,
7514         Target::Target_info::attributes_vendor): New fields.
7515         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7516         virtual method definitions.
7517         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7518         attributes_section and attributes_vendor.
7519         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7520
7521 2009-12-05  Doug Kwan  <dougkwan@google.com>
7522
7523         * arm.cc: Update comments about interworking and stub generation.
7524         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7525         considered as non-PIC.
7526         (Arm_relocate_functions::base_abs): Fix formatting.
7527         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7528         of function to use GOT entry address instead of offset.
7529         (Target_arm::Scan::global): Issue an error if a symbol would need a
7530         PLT does not get one because it is untyped.  Remove code to create
7531         dynamic symbols for relative branches.
7532         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7533         takes unsigned integer instead of boolean.
7534
7535 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7536
7537         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7538         (two_file_test_LDADD): Likewise.
7539         (common_test_1_LDADD): Likewise.
7540         (exception_test_LDADD) Likewise.
7541         (weak_test_LDADD): Likewise.
7542         (many_sections_test_LDADD): Likewise.
7543         (initpri1_LDADD): Likewise.
7544         (script_test_1_LDADD): Likewise.
7545         (script_test_2_LDADD): Likewise.
7546         (justsyms_LDADD): Likewise.
7547         (binary_test_LDADD): Likewise.
7548         (large_LDADD): Likewise.
7549         * testsuite/Makefile.in: Regenerated.
7550
7551 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7552
7553         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7554         (Symbol_table::override_with_special): Likewise.
7555         (Symbol_table::add_from_object): Likewise.
7556
7557 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7558
7559         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7560         Don't set the data_offset twice.
7561
7562 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7563
7564         * testsuite/Makefile.in: Regenerate.
7565
7566 2009-12-03  Doug Kwan  <dougkwan@google.com>
7567
7568         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7569         (Target_arm::do_finalize_sections): Add parameter for symbol table
7570         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7571         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7572         parameter for symbol table pointer.
7573         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7574         an additional parameter for a pointer to symbol table.
7575         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7576         parameter for a symbol table pointer.
7577         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7578         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7579         Ditto.
7580         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7581         parameter for a symbol table pointer.
7582
7583 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7584
7585         * incremental.cc (Incremental_inputs_header)
7586         (Incremental_inputs_header_write, Incremental_inputs_entry)
7587         (Incremental_inputs_entry_write): Move ...
7588         * incremental.h (Incremental_inputs_header)
7589         (Incremental_inputs_header_write, Incremental_inputs_entry)
7590         (Incremental_inputs_entry_write): here.
7591
7592 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7593
7594         * incremental.cc (make_sized_incremental_binary): Set the target.
7595         Error if it is incompatible.
7596         * output.h (Output_file): Add filename method.
7597
7598 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7599
7600         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7601         from the get_* methods.
7602
7603 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7604
7605         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7606         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7607         Write 0 for the data_offset of scripts.
7608
7609 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7610
7611         * testsuite/Makefile.am: Add the incremental_test.sh test.
7612         * testsuite/incremental_test.sh: New.
7613         * testsuite/incremental_test_1.c: New.
7614         * testsuite/incremental_test_2.c: New.
7615
7616 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7617
7618        * incremental-dump.cc (main): Fix typos.
7619
7620 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7621
7622         PR gold/11025
7623         * incremental-dump.cc (main): Use llu to print 64 bit values.
7624
7625 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7626             H.J. Lu  <hongjiu.lu@intel.com>
7627
7628         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7629         $(LIBDL).
7630         (incremental_dump_LDADD): Likewise.
7631         * Makefile.in: Regenerated.
7632
7633 2009-11-25  Doug Kwan  <dougkwan@google.com>
7634
7635         Revert:
7636
7637         2009-11-25  Doug Kwan  <dougkwan@google.com>
7638
7639                 * arm.cc (Target_arm::Target_arm): Move method definition
7640                 outside of class definition.  Add code to handle
7641                 --target1-rel, --target1-abs and --target2= options.
7642                 (Target_arm::get_reloc_reloc_type): Change method to be
7643                 non-static and const.
7644                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7645                 New data member declaration.
7646                 (Target_arm::Scan::local, Target_arm::Scan::global,
7647                 Target_arm::Relocate::relocate,
7648                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7649                 Adjust call to Target_arm::get_real_reloc_type.
7650                 (Target_arm::get_real_reloc_type): Use command line options
7651                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7652                 * options.h (--target1-rel, --target1-abs, --target2): New
7653                 ARM-only options.
7654
7655 2009-11-25  Doug Kwan  <dougkwan@google.com>
7656
7657         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7658         class definition.  Add code to handle --target1-rel, --target1-abs
7659         and --target2= options.
7660         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7661         and const.
7662         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7663         member declaration.
7664         (Target_arm::Scan::local, Target_arm::Scan::global,
7665         Target_arm::Relocate::relocate,
7666         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7667         call to Target_arm::get_real_reloc_type.
7668         (Target_arm::get_real_reloc_type): Use command line options to
7669         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7670         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7671         options.
7672
7673 2009-11-25  Doug Kwan  <dougkwan@google.com>
7674
7675         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7676         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7677         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7678         formatting.
7679         (Arm_relocate_functions::thm_call): Replace body with a call to
7680         Arm_relocate_functions::thumb_branch_common.
7681         (Arm_relocate_functions::thm_jump24,
7682         Arm_relocate_functions::thm_xpc22): New method definitions.
7683         (Arm_relocate_functions::thumb_branch_common): New method definition.
7684         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7685         operator.
7686         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7687         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7688
7689 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7690
7691         * Makefile.am: Build incremental-dump
7692         * Makefile.in: Regenerate.
7693         * incremental-dump.cc: New.
7694         * incremental.cc (Incremental_inputs_header_data,
7695         Incremental_inputs_entry_data): Move to incremental.h
7696         * incremental.h: (Incremental_inputs_header_data,
7697         Incremental_inputs_entry_data): Move from incremental.cc
7698
7699 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7700
7701         * incremental.cc (Incremental_inputs_header,
7702         Incremental_inputs_header_write, Incremental_inputs_entry,
7703         Incremental_inputs_entry_write): Add a typedef with the data type.
7704
7705 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7706
7707         * incremental.cc (Incremental_inputs_header,
7708         Incremental_inputs_header_write, Incremental_inputs_entry,
7709         Incremental_inputs_entry_write): Update comment about which
7710         type has the filed descriptions.
7711
7712 2009-11-15  Doug Kwan  <dougkwan@google.com>
7713
7714         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7715         (Arm_relocate_functions::arm_branch_common): Change method defintion
7716         in class definition to a method declaration and update list of formal
7717         parameters.
7718         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7719         Arm_relocation_functions::jump24): Adjust call to
7720         Arm_relocate_functions::arm_branch_common.  Update list of formal
7721         parameters.
7722         (Arm_relocate_functions::xpc25): New method definition.
7723         (Arm_relocate_functions::arm_branch_common): Move method defintion
7724         out from class definition.  Use stubs for mode-switching and extending
7725         branch ranges.
7726         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7727         specially.  Change code to enable use of stubs in ARM branches.
7728
7729 2009-11-10  Doug Kwan  <dougkwan@google.com>
7730
7731         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7732         in method declaration.
7733         (Target_arm::relocate_stub): New method declaration.
7734         (Target_arm::default_target): Change to return a pointer instead of
7735         a const reference.
7736         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7737         Target_arm::default_target.
7738         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7739         method definition.
7740         (Target_arm::relocate_section): Adjust view.
7741         (Target_arm::relocate_stub): New method definition.
7742
7743 2009-11-10  Doug Kwan  <dougkwan@google.com>
7744
7745         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7746         a format warning.
7747         * incremental.cc (open_incremental_binary): Initialized local
7748         variables to avoid warnings.
7749         * object.cc (make_elf_object): Ditto.
7750         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7751         a format warning.
7752
7753 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7754
7755         PR gold/10930
7756         * testsuite/plugin_test.c: Include "config.h".
7757
7758 2009-11-09  Doug Kwan  <dougkwan@google.com>
7759
7760         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7761         (arm_symbol_value): Remove.
7762         (Arm_relocate_functions::arm_branch_common,
7763         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7764         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7765         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7766         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7767         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7768         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7769         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7770         Arm_relocate_functions::thm_mobw_abs_nc,
7771         Arm_relocate_functions::thm_mov_abs,
7772         Arm_relocate_functions::movw_prel_nc,
7773         Arm_relocate_functions::thm_movt_abs,
7774         Arm_relocate_functions::movt_prel,
7775         Arm_relocate_functions::thm_movw_prel_nc,
7776         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7777         (Target_arm::Relocate::relocate): Only decompose address into two
7778         parts if relocation type uses the thumb-bit and pass the actual
7779         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7780         calls to methods in Arm_relocate_functions for this change.
7781
7782 2009-11-08  Ian Lance Taylor  <iant@google.com>
7783
7784         PR 10925
7785         * reloc.cc: Instantiate
7786         Sized_relobj::initialize_input_to_output_maps and
7787         Sized_relobj:free_input_to_output_maps.
7788
7789 2009-11-06  Ian Lance Taylor  <iant@google.com>
7790
7791         PR 10876
7792         * defstd.cc (in_segment): Set only_if_ref true for "end".
7793
7794 2009-11-06  Doug Kwan  <dougkwan@google.com>
7795
7796         * arm.cc (class Reloc_stub): Correct a comment.
7797         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7798         (Target_arm::scan_section_for_stubs): New method declaration.
7799         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7800         Change methods from private to protected.
7801         (Target_arm::do_may_relax): New method definition.
7802         (Target_arm::do_relax, Target_arm::group_sections,
7803         Target_arm::scan_reloc_for_stub,
7804         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7805         (Target_arm::arm_input_section_map_): New data member declaration.
7806         (Target_arm::scan_reloc_for_stub,
7807         Target_arm::scan_reloc_section_for_stubs,
7808         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7809         Target_arm::do_relax): New method definitions.
7810
7811 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7812
7813         * configure.ac: Check for (struct stat)::st_mtim
7814         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7815         * config.in: Regenerate.
7816         * configure: Regenerate.
7817
7818 2009-11-05  Ian Lance Taylor  <iant@google.com>
7819
7820         PR 10910
7821         * output.cc (Output_segment::add_output_section): Add missing
7822         return statement.
7823
7824 2009-11-04  Ian Lance Taylor  <iant@google.com>
7825
7826         PR 10880
7827         * object.h (class Object): Add is_needed and set_is_needed
7828         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7829         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7830         defined in a dynamic object and referenced by a regular object,
7831         set is_needed for the dynamic object.
7832         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7833         if the file is marked with as_needed and it is not needed.
7834
7835 2009-11-04  Ian Lance Taylor  <iant@google.com>
7836
7837         PR 10887
7838         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7839         tags if data is discarded by linker script.
7840         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7841         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7842         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7843         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7844
7845 2009-11-04  Ian Lance Taylor  <iant@google.com>
7846
7847         * layout.cc (Layout::get_output_section): Add is_interp and
7848         is_dynamic_linker_section parameters.  Change all callers.
7849         (Layout::choose_output_section): Likewise.
7850         (Layout::make_output_section): Likewise.
7851         (Layout::add_output_section_data): Add is_dynamic_linker_section
7852         parameter.  Change all callers.
7853         * layout.h (class Layout): Update declarations.
7854         * output.h (class Output_section): Add is_interp, set_is_interp,
7855         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7856         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7857         generate_code_fills_at_write_ to a bitfield.
7858         * output.cc (Output_section::Output_sections): Initialize new
7859         fields.
7860         (Output_segment::add_output_section): Add do_sort parameter.
7861         Change all callers.
7862
7863 2009-11-03  Ian Lance Taylor  <iant@google.com>
7864
7865         PR 10860
7866         * options.h (class General_options): Add --warn-common.
7867         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7868         merging two common symbols.
7869         (Symbol_table::should_override): Handle --warn-common when merging
7870         a common symbol with a defined symbol.  Use report_resolve_problem
7871         for multiple definitions.
7872         (Symbol_table::report_resolve_problem): New function.
7873         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7874
7875 2009-11-03  Doug Kwan  <dougkwan@google.com>
7876
7877         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7878         stub_factory_.
7879         (Target_arm::stub_factory): New method definition.
7880         (Target_arm::new_arm_input_section,
7881         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7882         Target_arm::reloc_uses_thumb_bit): New method declarations.
7883         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7884         New type definitions.
7885         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7886         member declarations.
7887         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7888         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7889         New method definitions.
7890
7891 2009-11-03  Ian Lance Taylor  <iant@google.com>
7892
7893         * options.h (class General_options): Add --warn_constructors.
7894
7895 2009-11-03  Ian Lance Taylor  <iant@google.com>
7896
7897         PR 10893
7898         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7899         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7900
7901 2009-11-03  Ian Lance Taylor  <iant@google.com>
7902
7903         PR 10895
7904         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7905         --msgid-bugs-address.
7906         (install-pdf): New target.
7907         (install-data_yes): Look up one directory to find mkinstalldirs.
7908
7909 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7910
7911         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7912         tree.
7913
7914 2009-10-30  Doug Kwan  <dougkwan@google.com>
7915
7916         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7917
7918 2009-10-30  Doug Kwan  <dougkwan@google.com>
7919
7920         * arm.cc (Stub_addend_reader): New struct template definition
7921         and partial specializations.
7922         (Stub_addend_reader::operator()): New method definition for a
7923         partially specialized template.
7924
7925 2009-10-30  Doug Kwan  <dougkwan@google.com>
7926
7927         * arm.cc (Arm_relobj::processor_specific_flags): New method
7928         definition.
7929         (Arm_relobj::do_read_symbols): New method declaration.
7930         (Arm_relobj::processor_specific_flags_): New data member declaration.
7931         (Arm_dynobj): New class definition.
7932         (Target_arm::do_finalize_sections): Add input_objects parameter.
7933         (Target_arm::do_adjust_elf_header): New method declaration.
7934         (Target_arm::are_eabi_versions_compatible,
7935         (Target_arm::merge_processor_specific_flags): New method declaration.
7936         (Target_arm::do_make_elf_object): New overloaded method definitions
7937         and declaration.
7938         (Arm_relobj::do_read_symbols): New method definition.
7939         (Arm_dynobj::do_read_symbols): Ditto.
7940         (Target_arm::do_finalize_sections): Add input_objects parameters.
7941         Merge processor-specific flags from all input objects.
7942         (Target_arm::are_eabi_versions_compatible,
7943         Target_arm::merge_processor_specific_flags,
7944         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7945         New method definitions.
7946         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7947         Input_objects pointer type parameter.
7948         * layout.cc (Layout::finalize): Pass input objects to target's.
7949         finalize_sections function.
7950         * output.cc (Output_file_header::do_sized_write): Set ELF file
7951         header's processor-specific flags.
7952         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7953         Input_objects pointer type parameter.
7954         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7955         * target.h (Input_objects): New forward class declaration.
7956         (Target::processor_specific_flags,
7957         Target::are_processor_specific_flags_sect): New method definitions.
7958         (Target::finalize_sections): Add input_objects parameter.
7959         (Target::Target): Initialize processor_specific_flags_ and
7960         are_processor_specific_flags_set_.
7961         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7962         parameter.
7963         (Target::set_processor_specific_flags): New method definition.
7964         (Target::processor_specific_flags_,
7965         Target::are_processor_specific_flags_set_): New data member
7966         declarations.
7967         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7968         Input_objects pointer type parameter.
7969
7970 2009-10-30  Doug Kwan  <dougkwan@google.com>
7971
7972         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7973
7974 2009-10-28  Ian Lance Taylor  <iant@google.com>
7975
7976         * object.h (class Relobj): Drop options parameter from
7977         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7978         do_scan_relocs, do_relocate.  Change all callers.
7979         (class Sized_relobj): Drop options parameters from
7980         do_gc_process_relocs, do_scan_relocs, do_relocate,
7981         do_relocate_sections, relocate_sections, emit_relocs_scan,
7982         emit_relocs_scan_reltype.  Change all callers.
7983         (struct Relocate_info): Remove options field and all references to
7984         it.
7985         * reloc.h (class Read_relocs): Remove options constructor
7986         parameter and options_ field.  Change all callers.
7987         (class Gc_process_relocs, class Scan_relocs): Likewise.
7988         (class Relocate_task): Likewise.
7989         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7990         all callers.
7991         (scan_relocatable_relocs): Likewise.
7992         * target.h (class Sized_target): Remove options parameter from
7993         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7994         all callers.
7995         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7996         callers.
7997         * arm.cc: Update functions to remove options parameters.
7998         * i386.cc: Likewise.
7999         * powerpc.cc: Likewise.
8000         * sparc.cc: Likewise.
8001         * x86_64.cc: Likewise.
8002         * testsuite/testfile.cc: Likewise.
8003
8004 2009-10-28  Doug Kwan  <dougkwan@google.com>
8005
8006         * arm.cc (Arm_relobj): New class definition.
8007         (Arm_relobj::scan_sections_for_stubs,
8008         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8009         New method definitions.
8010
8011 2009-10-28  Cary Coutant  <ccoutant@google.com>
8012
8013         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8014         (Plugin::cleanup_done_): New member.
8015         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8016         (Plugin_manager::cleanup_done_): Remove.
8017         (Plugin_manager::add_input_file): Edit error message.
8018         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8019         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8020
8021 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8022
8023         * fileread.cc: (File_read::View::~View): Use the new
8024         data_ownership_ filed.
8025         (File_read::~File_read): Dispose the new whole_file_view_.
8026         (File_read::open): Mmap the whole file if needed.
8027         (File_read::open): Use whole_file_view_ instead of contents_.
8028         (File_read::find_view): Use whole_file_view_ if applicable.
8029         (File_read::do_read): Use whole_file_view_ instead of contents_.
8030         (File_read::make_view): Use whole_file_view_ instead of contents_,
8031         update File_read::View::View call.
8032         (File_read::find_or_make_view): Update File_read::View::View
8033         call.
8034         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8035         remove contents_
8036         (File_read::View::Data_ownership): New enum.
8037         (File_read::View::View): Replace bool mapped_ with Data_ownership
8038         argument.
8039         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8040         (File_read::View::data_ownership_): New field.
8041         (File_read::contents_): Remove (replaced by whole_file_view_).
8042         (File_read::whole_file_view_): New field.
8043         * options.h (class General_options): Add --keep-files-mapped.
8044
8045 2009-10-27  Cary Coutant  <ccoutant@google.com>
8046
8047         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8048         * testsuite/Makefile.am (plugin_test_5): New test case.
8049         * testsuite/Makefile.in: Regenerate.
8050
8051 2009-10-25  Doug Kwan  <dougkwan@google.com>
8052
8053         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8054         from private to protected to allow access by child class.
8055         (Sized_relobj::do_relocate_sections): New method declaration.
8056         (Sized_relobj::relocate_sections): Virtualize.
8057         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8058         Sized_relobj::relocate_sections.  Instantiate template explicitly
8059         for different target sizes and endianity.
8060
8061 2009-10-24  Doug Kwan  <dougkwan@google.com>
8062
8063         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8064         (Arm_input_section::as_arm_input_section): New method.
8065         (Arm_output_section): New class definition.
8066         (Arm_output_section::create_stub_group,
8067         Arm_output_section::group_sections): New method definitions.
8068
8069 2009-10-22  Doug Kwan  <dougkwan@google.com>
8070
8071         * arm.cc (Arm_input_section): New class definition.
8072         (Arm_input_section::init, Arm_input_section:do_write,
8073         Arm_input_section::set_final_data_size,
8074         Arm_input_section::do_reset_address_and_file_offset): New method
8075         definitions.
8076
8077 2009-10-21  Doug Kwan  <dougkwan@google.com>
8078
8079         * arm.cc (Stub_table, Arm_input_section): New forward class
8080         declarations.
8081         (Stub_table): New class defintion.
8082         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8083         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8084         New method definition.
8085
8086 2009-10-21  Doug Kwan  <dougkwan@google.com>
8087
8088         * arm.cc: Update copyright comments.
8089         (Target_arm): New forward class template declaration.
8090         (Arm_address): New type.
8091         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8092         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8093         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8094         constants.
8095         (Insn_template): Same.
8096         (DEF_STUBS): New macro.
8097         (Stub_type): New enum type.
8098         (Stub_template): New class definition.
8099         (Stub): Same.
8100         (Reloc_stub): Same.
8101         (Stub_factory): Same.
8102         (Target_arm::Target_arm): Initialize may_use_blx_ and
8103         should_force_pic_veneer_.
8104         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8105         Target_arm::should_force_pic_veneer,
8106         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8107         Target_arm::using_thumb_only, Target_arm:;default_target): New
8108         method defintions.
8109         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8110         New data member declarations.
8111         (Insn_template::size, Insn_template::alignment): New method defintions.
8112         (Stub_template::Stub_template): New method definition.
8113         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8114         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8115         (Stub_factory::Stub_factory): New method definition.
8116         * gold.h (string_hash): New template.
8117         * output.h (Input_section_specifier::hash_value): Use
8118         gold::string_hash.
8119         (Input_section_specifier::string_hash): Remove.
8120         * stringpool.cc (Stringpool_template::string_hash): Use
8121         gold::string_hash.
8122
8123 2009-10-20  Doug Kwan  <dougkwan@google.com>
8124
8125         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8126         symbols of relaxed input sections.
8127         * output.h (Output_section::find_relaxed_input_section): Make
8128         method public.
8129
8130 2009-10-16  Doug Kwan  <dougkwan@google.com>
8131
8132         * dynobj.cc (Versions::Versions): Initialize version_script_.
8133         Only insert base version symbol definition for a shared object
8134         if version script defines any version versions.
8135         (Versions::define_base_version): New method definition.
8136         (Versions::add_def): Check that base version is not needed.
8137         (Versions::add_need): Define base version lazily.
8138         * dynobj.h (Versions::define_base_version): New method declaration.
8139         (Versions::needs_base_version_): New data member declaration.
8140         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8141         (check_DATA): Add no_version_test.stdout.
8142         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8143         New make rules.
8144         * testsuite/Makefile.in: Regenerate.
8145         * testsuite/no_version_test.c: New file.
8146         * testsuite/no_version_test.sh: Ditto.
8147
8148 2009-10-16  Doug Kwan  <dougkwan@google.com>
8149
8150         * expression.cc (class Segment_start_expression): New class definition.
8151         (Segment_start_expression::value): New method definition.
8152         (script_exp_function_segment_start): Return a new
8153         Segment_start_expression.
8154         * gold/script-c.h (script_saw_segment_start_expression): New function
8155         prototype.
8156         * script-sections.cc (Script_sections::Script_sections): Initialize
8157         SAW_SEGMENT_START_EXPRESSION_ to false.
8158         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8159         and -Tbbs options to specify section addresses if given in
8160         command line and no SEGMENT_START expression is seen in a script.
8161         * script-sections.h (Script_sections::saw_segment_start_expression,
8162         Script_sections::set_saw_segment_start_expression): New method
8163         definition.
8164         (Script_sections::saw_segment_start_expression_): New data member
8165         declaration.
8166         * script.cc (script_saw_segment_start_expression): New function.
8167         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8168         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8169         script_test_7.sh and script_test_8.sh.
8170         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8171         script_test_8.stdout.
8172         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8173         (script_test_6, script_test_6.stdout, script_test_7,
8174         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8175         * Makefile.in: Regenerate.
8176         * testsuite/script_test_6.sh: New file.
8177         * testsuite/script_test_6.t: Same.
8178         * testsuite/script_test_7.sh: Same.
8179         * testsuite/script_test_7.t: Same.
8180         * testsuite/script_test_8.sh: Same.
8181
8182 2009-10-16  Doug Kwan  <dougkwan@google.com>
8183
8184         * output.cc (Output_segment::set_section_list_address): Cast
8185         expressions to unsigned long long type to avoid format warnings.
8186
8187 2009-10-15  Ian Lance Taylor  <iant@google.com>
8188
8189         * script.cc (Script_options::add_symbol_assignment): Always add a
8190         dot assignment to script_sections_.
8191         * script-sections.cc (Script_sections::add_dot_assignment):
8192         Initialize if necessary.
8193
8194         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8195         program headers with no load segment if there is a linker script.
8196
8197         * layout.cc (Layout::set_segment_offsets): Align the file offset
8198         to the segment aligment for -N or -n with no load segment.
8199         * output.cc (Output_segment::add_output_section): Don't crash if
8200         the first section is a TLS section.
8201         (Output_segment::set_section_list_addresses): Print an error
8202         message if the address moves backward in a linker script.
8203         * script-sections.cc
8204         (Output_section_element_input::set_section_addresses): Don't
8205         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8206         (Orphan_output_section::set_section_addresses): Likewise.
8207
8208 2009-10-15  Doug Kwan  <dougkwan@google.com>
8209
8210         * layout.cc (Layout::finish_dynamic_section): Generate tags
8211         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8212         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8213         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8214
8215 2009-10-14  Ian Lance Taylor  <iant@google.com>
8216
8217         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8218         fields.
8219         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8220         data_shdr fields of relinfo.
8221         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8222         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8223         R_386_TLS_LDO_32, adjust based on section flags.
8224         (Target_i386::Relocate::fix_up_ldo): Remove.
8225
8226 2009-10-13  Ian Lance Taylor  <iant@google.com>
8227
8228         Add support for -pie.
8229         * options.h (class General_options): Add -pie and
8230         --pic-executable.
8231         (General_options::output_is_position_independent): Test -pie.
8232         (General_options::output_is_executable): Return true if not shared
8233         and not relocatable.
8234         (General_options::output_is_pie): Remove.
8235         * options.cc (General_options::finalize): Reject incompatible uses
8236         of -pie.
8237         * gold.cc (queue_middle_tasks): A -pie link is not static.
8238         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8239         * symtab.cc (Symbol::final_value_is_known): Return false if
8240         output_is_position_independent.
8241         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8242         output_is_position_independent.
8243         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8244         output_is_position_independent.
8245         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8246         output_is_position_independent.
8247         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8248         two_file_pie_test.
8249         (basic_pie_test.o, basic_pie_test): New targets.
8250         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8251         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8252         (two_file_pie_test): New target.
8253         * testsuite/Makefile.in: Rebuild.
8254         * README: Remove note saying that -pie is not supported.
8255
8256 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8257
8258         * options.h (class General_options): Add -init and -fini.
8259         * layout.cc (Layout::finish_dynamic_section): Emit
8260         given init and fini functions.
8261
8262 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8263
8264         * gc.h (gc_process_relocs): Check if icf is enabled using new
8265         function.
8266         * gold.cc (queue_initial_tasks): Likewise.
8267         (queue_middle_tasks): Likewise.
8268         * object.cc (do_layout): Likewise.
8269         * symtab.cc (is_section_folded): Likewise.
8270         * main.cc (main): Likewise.
8271         * reloc.cc (Read_relocs::run): Likewise.
8272         (Sized_relobj::do_scan_relocs): Likewise.
8273         * icf.cc (is_function_ctor_or_dtor): New function.
8274         (Icf::find_identical_sections): Check if function is ctor or dtor when
8275         safe icf is chosen.
8276         * options.h (General_options::icf): Change option to be an enum.
8277         (Icf_status): New enum.
8278         (icf_enabled): New method.
8279         (icf_safe_folding): New method.
8280         (set_icf_status): New method.
8281         (icf_status_): New variable.
8282         * (options.cc) (General_options::finalize): Set icf_status_.
8283         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8284         icf_test and icf_keep_unique_test to use the --icf enum flag.
8285         * testsuite/icf_safe_test.sh: New file.
8286         * testsuite/icf_safe_test.cc: New file.
8287
8288 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8289
8290         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8291         includes to gc.h and icf.h.
8292         * arm.cc: Include gc.h.
8293         * gold.cc: Likewise.
8294         * i386.cc: Likewise.
8295         * powerpc.cc: Likewise.
8296         * sparc.cc: Likewise.
8297         * x86_64.cc: Likewise.
8298         * gc.h: Include icf.h.
8299
8300 2009-10-11  Ian Lance Taylor  <iant@google.com>
8301
8302         * plugin.cc: Include "gold.h" before other header files.
8303
8304 2009-10-10  Chris Demetriou  <cgd@google.com>
8305
8306         * options.h (Input_file_argument::Input_file_type): New enum.
8307         (Input_file_argument::is_lib_): Replace with...
8308         (Input_file_argument::type_): New member.
8309         (Input_file_argument::Input_file_argument): Take Input_file_type
8310         'type' rather than boolean 'is_lib' as second argument.
8311         (Input_file_argument::is_lib): Use type_.
8312         (Input_file_argument::is_searched_file): New function.
8313         (Input_file_argument::may_need_search): Handle is_searched_file.
8314         * options.cc (General_options::parse_library): Support -l:filename.
8315         (General_options::parse_just_symbols): Update for Input_file_argument
8316         changes.
8317         (Command_line::process): Likewise.
8318         * archive.cc (Archive::get_file_and_offset): Likewise.
8319         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8320         * script.cc (read_script_file, script_add_file): Likewise.
8321         * fileread.cc (Input_file::Input_file): Likewise.
8322         (Input_file::will_search_for): Handle is_searched_file.
8323         (Input_file::open): Likewise.
8324         * readsyms.cc (Read_symbols::get_name): Likewise.
8325         * testsuite/Makefile.am (searched_file_test): New test.
8326         * testsuite/Makefile.in: Regenerate.
8327         * testsuite/searched_file_test.cc: New file.
8328         * testsuite/searched_file_test_lib.cc: New file.
8329
8330 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8331             Ian Lance Taylor  <iant@google.com>
8332
8333         * descriptor.cc: Include <cstdio> and "binary-io.h".
8334         (Descriptors::open): Open the files in binary mode always.
8335         * script.cc (Lex::get_token): Treat \r as whitespace.
8336
8337 2009-10-09  Ian Lance Taylor  <iant@google.com>
8338
8339         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8340
8341 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8342             Ian Lance Taylor  <iant@google.com>
8343
8344         * configure.ac: Check for readv function also.
8345         * fileread.cc (readv): Define if not HAVE_READV.
8346         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8347         does not exist.
8348         * config.in: Regenerate.
8349         * configure: Regenerate.
8350
8351 2009-10-09  Doug Kwan  <dougkwan@google.com>
8352
8353         * layout.cc (Layout::make_output_section): Call target hook to make
8354         ordinary output section.
8355         (Layout::finalize): Adjust parameter list of call the
8356         Target::may_relax().
8357         * layout.h (class Layout::section_list): New method.
8358         * merge.h (Output_merge_base::entsize): Change visibility to public.
8359         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8360         New methods.
8361         (Output_merge_string::do_is_string): New method.
8362         * object.cc (Sized_relobj::do_setup): renamed from
8363         Sized_relobj::set_up.
8364         * object.h (Sized_relobj::adjust_shndx,
8365         Sized_relobj::initializ_input_to_output_maps,
8366         Sized_relobj::free_input_to_output_maps): Change visibilities to
8367         protected.
8368         (Sized_relobj::setup): Virtualize.
8369         (Sized_relobj::do_setup): New method declaration.
8370         (Sized_relobj::invalidate_section_offset,
8371         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8372         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8373         * options.cc (parse_int): New function.
8374         * options.h (parse_int): New declaration.
8375         (DEFINE_int): New macro.
8376         (stub_group_size): New option.
8377         * output.cc (Output_section::Output_section): Initialize memebers
8378         merge_section_map_, merge_section_by_properties_map_,
8379         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8380         (Output_section::add_input_section): Handled deferred code-fill
8381         generation and remove an old comment.
8382         (Output_section::add_relaxed_input_section): New method definition.
8383         (Output_section::add_merge_input_section): Use merge section by
8384         properties map to speed to search.  Update merge section maps
8385         as appropriate.
8386         (Output_section::build_relaxation_map): New method definition.
8387         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8388         Same.
8389         (Output_section::relax_input_section): Renamed to
8390         Output_section::convert_input_sections_to_relaxed_sections and change
8391         interface to take a vector of pointers to relaxed sections.
8392         (Output_section::find_merge_section,
8393         Output_section::find_relaxed_input_section): New method definitions.
8394         (Output_section::is_input_address_mapped,
8395         Output_section::output_offset, Output_section::output_address):
8396         Use output section data maps to speed up searching.
8397         (Output_section::find_starting_output_address): Add comments.
8398         (Output_section::do_write,
8399         Output_section::write_to_postprocessing_buffer): Do code-fill
8400         generation as appropriate.
8401         (Output_section::get_input_sections): Invalidate relaxed input section
8402         map.
8403         (Output_section::restore_states): Adjust type of checkpoint .
8404         Invalidate relaxed input section map.
8405         * output.h (Output_merge_base): New class declaration.
8406         (Input_section_specifier): New class defintion.
8407         (class Output_relaxed_input_section) Change base class to
8408         Output_section_data_build.
8409         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8410         base class initializer.
8411         (Output_section::add_relaxed_input_section): New method declaration.
8412         (Output_section::Input_section): Change visibility to protected.
8413         (Output_section::Input_section::relobj,
8414         Output_section::Input_section::shndx): Handle relaxed input sections.
8415         Output_section::input_sections) Change visibility to protected.  Also
8416         define overload to return a non-const pointer.
8417         (Output_section::Merge_section_properties): New class defintion.
8418         (Output_section::Merge_section_by_properties_map,
8419         Output_section::Output_section_data_by_input_section_map,
8420         Output_section::Relaxation_map): New types.
8421         (Output_section::relax_input_section): Rename method to
8422         Output_section::convert_input_sections_to_relaxed_sections and change
8423         interface to take a vector of relaxed section pointers.
8424         (Output_section::find_merge_section,
8425         Output_section::find_relaxed_input_section,
8426         Output_section::build_relaxation_map,
8427         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8428         New method declarations.
8429         (Output_section::merge_section_map_
8430         Output_section::merge_section_by_properties_map_,
8431         Output_section::relaxed_input_section_map_,
8432         Output_section::is_relaxed_input_section_map_valid_,
8433         Output_section::generate_code_fills_at_write_): New data members.
8434         * script-sections.cc
8435         (Output_section_element_input::set_section_addresses): Call
8436         current_data_size and addralign methods of relaxed input sections.
8437         (Orphan_output_section::set_section_addresses): Call current_data_size
8438         and addralign methods of relaxed input sections.
8439         * symtab.cc (Symbol_table::compute_final_value): Extract template
8440         from the body of Symbol_table::sized_finalize_symbol.
8441         (Symbol_table::sized_finalized_symbol): Call
8442         Symbol_table::compute_final_value.
8443         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8444         (Symbol_table::compute_final_value): New templated method declaration.
8445         * target.cc (Target::do_make_output_section): New method defintion.
8446         * target.h (Target::make_output_section): New method declaration.
8447         (Target::relax): Add more parameters for input objects, symbol table
8448         and layout.  Adjust call to do_relax.
8449         (Target::do_make_output_section): New method declaration.
8450         (Target::do_relax): Add parameters for input objects, symbol table
8451         and layout.
8452
8453 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8454
8455         * pread.c: Include stdio.h.
8456
8457 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8458
8459         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8460         defined.
8461
8462 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8463
8464         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8465         Change read_shndx type to unsigned int.
8466         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8467         int.
8468         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8469         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8470         Change read_shndx type to unsigned int.
8471         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8472         int.
8473         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8474         * layout.cc (Layout::create_symtab_sections): Cast the result of
8475         local_symcount * symsize to off_t in the gold_assert.
8476
8477 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8478
8479         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8480         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8481         R_ARM_BASE_ABS.
8482         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8483         (Arm_relocate_functions::thm_abs5): New function.
8484         (Arm_relocate_functions::abs12): New function.
8485         (Arm_relocate_functions::abs16): New function.
8486         (Arm_relocate_functions::base_abs): New function.
8487         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8488         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8489         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8490         R_ARM_BASE_ABS.
8491         (Scan::global): Likewise.
8492         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8493         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8494         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8495         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8496         R_ARM_BASE_ABS.
8497
8498 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8499
8500         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8501         (Arm_relocate_functions::movt_prel): New function.
8502         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8503         (Arm_relocate_functions::thm_movt_prel): New function.
8504         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8505         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8506         (Scan::global, Relocate::relocate): Likewise.
8507         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8508
8509 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8510
8511         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8512         Incremental_checker.
8513         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8514         unsigned int.
8515         (class Incremental_inputs_header): New class.
8516         (Incremental_inputs_header_writer): Edit comment.
8517         (Incremental_inputs_entry): New class.
8518         (Incremental_inputs_entry_writer): Edit comment.
8519         (Sized_incremental_binary::do_find_incremental_inputs_section):
8520         Add *strtab_shndx parameter, fill it.
8521         (Sized_incremental_binary::do_check_inputs): New method.
8522         (Incremental_checker::can_incrementally_link_output_file): Use
8523         Sized_incremental_binary::check_inputs.
8524         (Incremental_inputs::report_command_line): Save command line in
8525         command_line_.
8526         * incremental.h:
8527         (Incremental_binary::find_incremental_inputs_section): New
8528         method.
8529         (Incremental_binary::do_find_incremental_inputs_section): Add
8530         strtab_shndx parameter.
8531         (Incremental_binary::do_check_inputs): New pure virtual method.
8532         (Sized_incremental_binary::do_check_inputs): Declare.
8533         (Incremental_checker::Incremental_checker): Add incremental_inputs
8534         parameter, use it to initialize incremental_inputs_.
8535         (Incremental_checker::incremental_inputs_): New field.
8536         (Incremental_checker::command_line): New method.
8537         (Incremental_checker::inputs): New method.
8538         (Incremental_checker::command_line_): New field.
8539
8540 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8541
8542         * incremental.cc: Include <cstdarg> and "target-select.h".
8543         (vexplain_no_incremental): New function.
8544         (explain_no_incremental): New function.
8545         (Incremental_binary::error): New method.
8546         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8547         method.
8548         (make_sized_incremental_binary): New function.
8549         (open_incremental_binary): New function.
8550         (can_incrementally_link_file): Add checks if output is ELF and has
8551         inputs section.
8552         * incremental.h: Include "elfcpp_file.h" and "output.h".
8553         (Incremental_binary): New class.
8554         (Sized_incremental_binary): New class.
8555         (open_incremental_binary): Declare.
8556         * object.cc (is_elf_object): Use
8557         elfcpp::Elf_recognizer::is_elf_file.
8558         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8559         * output.h (Output_file::filesize): New method.
8560
8561 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8562
8563         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8564         New function.
8565         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8566         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8567         function.
8568         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8569         function.
8570         (Arm_relocate_functions::movw_abs_nc): New function.
8571         (Arm_relocate_functions::movt_abs): New function.
8572         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8573         (Arm_relocate_functions::thm_movt_abs): New function.
8574         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8575         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8576         (Scan::global): Likewise.
8577         (Relocate::relocate): Likewise.
8578         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8579
8580 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8581
8582         * arm.cc (Arm_relocate_functions::got_prel) New function.
8583         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8584         (Relocate::relocate): Likewise.
8585         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8586
8587 2009-10-06  Ian Lance Taylor  <iant@google.com>
8588
8589         * options.h (class General_options): Define
8590         split_stack_adjust_size parameter.
8591         * object.h (class Object): Add uses_split_stack_ and
8592         has_no_split_stack_ fields.  Add uses_split_stack and
8593         has_no_split_stack accessor functions.  Declare
8594         handle_split_stack_section.
8595         (class Reloc_symbol_changes): Define.
8596         (class Sized_relobj): Define Function_offsets.  Declare
8597         split_stack_adjust, split_stack_adjust_reltype, and
8598         find_functions.
8599         * object.cc (Object::handle_split_stack_section): New function.
8600         (Sized_relobj::do_layout): Call handle_split_stack_section.
8601         * dynobj.cc (Sized_dynobj::do_layout): Call
8602         handle_split_stack_section.
8603         * reloc.cc (Sized_relobj::relocate_sections): Call
8604         split_stack_adjust for executable sections in split_stack
8605         objects.  Pass reloc_map to relocate_section.
8606         (Sized_relobj::split_stack_adjust): New function.
8607         (Sized_relobj::split_stack_adjust_reltype): New function.
8608         (Sized_relobj::find_functions): New function.
8609         * target-reloc.h: Include "object.h".
8610         (relocate_section): Add reloc_symbol_changes parameter.  Change
8611         all callers.
8612         * target.h (class Target): Add calls_non_split method.  Declare
8613         do_calls_non_split virtual method.  Declare match_view and
8614         set_view_to_nop.
8615         * target.cc: Include "elfcpp.h".
8616         (Target::do_calls_non_split): New function.
8617         (Target::match_view): New function.
8618         (Target::set_view_to_nop): New function.
8619         * gold.cc (queue_middle_tasks): Give an error if mixing
8620         split-stack and non-split-stack objects with -r.
8621         * i386.cc (Target_i386::relocate_section): Add
8622         reloc_symbol_changes parameter.
8623         (Target_i386::do_calls_non_split): New function.
8624         * x86_64.cc (Target_x86_64::relocate_section): Add
8625         reloc_symbol_changes parameter.
8626         (Target_x86_64::do_calls_non_split): New function.
8627         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8628         parameter.
8629         * powerpc.cc (Target_powerpc::relocate_section): Add
8630         reloc_symbol_changes parameter.
8631         * sparc.cc (Target_sparc::relocate_section): Add
8632         reloc_symbol_changes parameter.
8633         * configure.ac: Call AM_CONDITIONAL for the default target.
8634         * configure: Rebuild.
8635         * testsuite/Makefile.am (TEST_AS): New variable.
8636         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8637         (check_DATA): Add split_i386 and split_x86_64 files.
8638         (SPLIT_DEFSYMS): Define.
8639         (split_i386_[1234n].o): New targets.
8640         (split_i386_[124]): New targets.
8641         (split_i386_[1234r].stdout): New targets.
8642         (split_x86_64_[1234n].o): New targets.
8643         (split_x86_64_[124]): New targets.
8644         (split_x86_64_[1234r].stdout): New targets.
8645         (MOSTLYCLEANFILES): Add new executables.
8646         * testsuite/split_i386.sh: New file.
8647         * testsuite/split_x86_64.sh: New file.
8648         * testsuite/split_i386_1.s: New file.
8649         * testsuite/split_i386_2.s: New file.
8650         * testsuite/split_i386_3.s: New file.
8651         * testsuite/split_i386_4.s: New file.
8652         * testsuite/split_i386_n.s: New file.
8653         * testsuite/split_x86_64_1.s: New file.
8654         * testsuite/split_x86_64_2.s: New file.
8655         * testsuite/split_x86_64_3.s: New file.
8656         * testsuite/split_x86_64_4.s: New file.
8657         * testsuite/split_x86_64_n.s: New file.
8658         * testsuite/testfile.cc (Target_test): Update relocation_section
8659         function.
8660         * testsuite/Makefile.in: Rebuild.
8661
8662 2009-10-06  Ian Lance Taylor  <iant@google.com>
8663
8664         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8665         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8666         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8667         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8668         the address on ldo_addrs_.
8669         (Target_i386::Relocate::fix_up_ldo): New function.
8670
8671 2009-10-06   Rafael Espindola  <espindola@google.com>
8672
8673         * plugin.cc (add_input_library): New.
8674         (Plugin::load): Add add_input_library to tv.
8675         (Plugin_manager::add_input_file): Add the is_lib argument.
8676         (add_input_file): Update call to Plugin_manager::add_input_file.
8677         (add_input_library): New.
8678         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8679
8680 2009-09-30  Doug Kwan  <dougkwan@google.com>
8681
8682         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8683         symbol and call Symbol::may_need_copy_reloc to determine if
8684         a copy reloc is needed.
8685         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8686         nocopyreloc is given in command line.
8687         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8688         given in command line.
8689         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8690         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8691         of the removed Target_i386::may_need_copy_reloc.
8692         * options.h (copyreloc): New option with default value false.
8693         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8694         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8695         instead of the removed Target_powerpc::may_need_copy_reloc.
8696         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8697         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8698         instead of the removed Target_sparc::may_need_copy_reloc.
8699         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8700         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8701         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8702         instead of the removed Target_x86_64::may_need_copy_reloc.
8703
8704 2009-09-30  Ian Lance Taylor  <iant@google.com>
8705
8706         * object.h (class Object): Remove target_ field, and target,
8707         sized_target, and set_target methods.
8708         (Object::sized_target): Remove.
8709         (class Sized_relobj): Update declarations.  Remove sized_target.
8710         * object.cc (Sized_relobj::setup): Remove target parameter.
8711         Change all callers.
8712         (Input_objects::add_object): Don't do anything with the target.
8713         (make_elf_sized_object): Add punconfigured parameter.  Change all
8714         callers.  Set or test parameter target.
8715         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8716         Change all callers.
8717         * parameters.cc (Parameters::set_target): Change parameter type to
8718         be non-const.
8719         (Parameters::default_target): Remove.
8720         (set_parameters_target): Change parameter type to be non-const.
8721         (parameters_force_valid_target): New function.
8722         (parameters_clear_target): New function.
8723         * parameters.h (class Parameters): Update declarations.  Remove
8724         default_target method.  Add sized_target and clear_target
8725         methods.  Change target_ to be non-const.
8726         (set_parameters_target): Update declaration.
8727         (parameters_force_valid_target): Declare.
8728         (parameters_clear_target): Declare.
8729         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8730         as NULL if we aren't searching.
8731         (Add_symbols::run): Don't check for compatible target.
8732         * fileread.cc (Input_file::open_binary): Call
8733         parameters_force_valid_target.
8734         * gold.cc (queue_middle_tasks): Likewise.
8735         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8736         set_target on object.
8737         * dynobj.h (class Sized_dynobj): Update declarations.
8738         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8739         make_elf_object returns NULL.
8740         (Archive::include_member): Don't check whether object target is
8741         compatible.
8742         * output.cc (Output_section::add_input_section): Get target from
8743         parameters.
8744         (Output_section::relax_input_section): Likewise.
8745         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8746         parameters.
8747         (Sized_relobj::do_scan_relocs): Likewise.
8748         (Sized_relobj::relocate_sections): Likewise.
8749         * resolve.cc (Symbol_table::resolve): Likewise.
8750         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8751         parameter.  Change all callers.
8752         (Symbol_table::add_from_object): Get target from parameters.
8753         (Symbol_table::add_from_relobj): Don't check object target.
8754         (Symbol_table::add_from_dynobj): Likewise.
8755         (Symbol_table::define_special_symbol): Get target from
8756         parameters.
8757         * symtab.h (class Symbol_table): Update declaration.
8758         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8759         parameter.  Change all callers.  Clear parameter target.
8760         (Binary_test): Test target here.
8761         * testsuite/object_unittest.cc (gold_testsuite): Remove
8762         target_test_pointer parameter.  Change all callers.
8763         (Object_test): Test target here.
8764
8765 2009-09-26  Ian Lance Taylor  <iant@google.com>
8766
8767         * testsuite/initpri1.c: Don't try to use constructor priorities if
8768         compiling with gcc before 4.3.
8769
8770 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8771
8772         * testsuite/retain_symbols_file_test.sh (check_present): Change
8773         output file name to retain_symbols_file_test.stdout.
8774         (check_absent): Likewise.
8775
8776 2009-09-18  Craig Silverstein  <csilvers@google.com>
8777
8778         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8779         * options.cc: Include <cerrno> and <fstream>.
8780         (General_options::finalize): Parse -retain-symbols-file tag.
8781         * options.h: New flag.
8782         (General_options): New method should_retain_symbol, new
8783         variable symbols_to_retain.
8784         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8785         should_retain_symbol map.
8786         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8787         * testsuite/Makefile.in: Regenerate.
8788         * testsuite/retain_symbols_file_test.sh: New file.
8789
8790 2009-09-18  Nick Clifton  <nickc@redhat.com>
8791
8792         * po/es.po: Updated Spanish translation.
8793
8794 2009-09-17  Doug Kwan  <dougkwan@google.com>
8795
8796         * debug.h (DEBUG_RELAXATION): New constant.
8797         (DEBUG_ALL): Add DEBUG_RELAXATION.
8798         (debug_string_to_enum): Add relaxation debug option.
8799         * layout.cc
8800         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8801         Layout::Relaxation_debug_check::read_sections,
8802         Layout::Relaxation_debug_check::read_sections): New method definitions.
8803         (Layout::Layout): Initialize data members
8804         record_output_section_data_from_scrips_,
8805         script_output_section_data_list_ and relaxation_debug_check_.
8806         (Layout::save_segments, Layout::restore_segments,
8807         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8808         Layout::relaxation_loop_body): New method definitions.
8809         (Layout::finalize): Support relaxation.  Move section layout code to
8810         Layout::relaxation_loop_body.
8811         (Layout::set_asection_address_from_script): Move code for orphan
8812         section placement out.
8813         (Layout::place_orphan_sections_in_script): New method definition.
8814         * layout.h (Output_segment_headers, Output_file_header):
8815         New forward class declarations.
8816         (Layout::~Layout): Define.
8817         (Layout::new_output_section_data_from_script): New method definition.
8818         (Layout::place_orphan_sections_in_script): New method declaration.
8819         (Layout::Segment_states): New type declaration.
8820         (Layout::save_segments, Layout::restore_segments,
8821         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8822         Layout::relaxation_loop_body): New method declarations.
8823         (Layout::Output_section_data_list): New type declaration.
8824         (Layout::Relaxation_debug_check): New class definition.
8825         (Layout::record_output_section_data_from_script_,
8826         Layout::script_output_section_data_list_, Layout::segment_states_,
8827         Layout::relaxation_debug_check_): New data members.
8828         * output.cc: (Output_section_headers::do_size): New method definition.
8829         (Output_section_headers::Output_section_headers): Move size
8830         computation to Output_section_headers::do_size.
8831         (Output_segment_headers::do_size): New method definition.
8832         (Output_file_header::Output_file_header): Move size computation to
8833         Output_file_header::do_size and call it.
8834         (Output_file_header::do_size): New method definition.
8835         (Output_data_group::Output_data_group): Adjust call to
8836         Output_section_data.
8837         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8838         (Output_symtab_xindex::do_write): Add array bound check.
8839         (Output_section::Input_section::print_to_mapfile): Handle
8840         RELAXED_INPUT_SECTION_CODE.
8841         (Output_section::Output_section): Initialize data member checkpoint_.
8842         (Output_section::~Output_section): Delete checkpoint object pointed
8843         by checkpoint_.
8844         (Output_section::add_input_section): Always add an Input_section if
8845         relaxing.
8846         (Output_section::add_merge_input_section): Add assert.
8847         (Output_section::relax_input_section): New method definition.
8848         (Output_section::set_final_data_size): Set load address to zero for
8849         an unallocated section.
8850         (Output_section::do_address_and_file_offset_have_reset_values):
8851         New method definition.
8852         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8853         Handle relaxed input section.
8854         (Output_section::sort_attached_input_sections): Checkpoint input
8855         section list lazily.
8856         (Output_section::get_input_sections): Change type of input_sections to
8857         list of Simple_input_section pointers.  Checkpoint input section list
8858         lazily.  Also handle relaxed input sections.
8859         (Output_section::add_input_section_for_script): Take a reference to
8860         a Simple_input_section object instead of Relobj pointer and section
8861         index as parameter.  Handle relaxed input sections.
8862         (Output_section::save_states, Output_section::restore_states): New
8863         method definitions.
8864         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8865         (Output_data::is_data_size_fixed): New method definition.
8866         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8867         if it is fixed.
8868         (Output_data::address_and_file_offset_have_reset_values): New method
8869         definition.
8870         (Output_data::do_address_and_file_offset_have_reset_values): New method
8871         definition.
8872         (Output_data::set_data_size): Check that data size is not fixed.
8873         (Output_data::fix_data_size): New method definition.
8874         (Output_data::is_data_size_fixed_): New data member.
8875         (Output_section_headers::set_final_data_size): New method definition.
8876         (Output_section_headers::do_size): New method declaration.
8877         (Output_segment_headers::set_final_data_size): New method definition.
8878         (Output_segment_headers::do_size): New method declaration.
8879         (Output_file_header::set_final_data_size)::New method definition.
8880         (Output_file_header::do_size)::New method declaration.
8881         (Output_section_data::Output_section_data): Add new parameter
8882         is_data_size_fixed and use it to fix data size.
8883         (Output_data_const::Output_data_const): Adjust call to base class
8884         constructor and fix data size.
8885         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8886         base class constructor and fix data size.
8887         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8888         base class constructor and fix data size.
8889         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8890         class constructor and fix data size.
8891         (Output_data_group::set_final_data_size): New method definition.
8892         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8893         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8894         class constructor and fix data size.
8895         (Output_relaxed_input_section): New class definition.
8896         (Output_section::Simple_input_section): New class definition.
8897         (Output_section::get_input_sections): Adjust parameter list.
8898         (Output_section::add_input_section_for_script): Same.
8899         (Output_section::save_states, Output_section::restore_states,
8900         Output_section::do_address_and_file_offset_have_reset_values,
8901         (Output_section::Input_section::Input_section): Handle
8902         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8903         Output_relaxed_input_section.
8904         (Output_section::Input_section::is_input_section,
8905         Output_section::Input_section::set_output_section): Handle relaxed
8906         input section.
8907         (Output_section::Input_section::is_relaxed_input_section,
8908         Output_section::Input_section::output_section_data,
8909         Output_section::Input_section::relaxed_input_section): New method
8910         definitions.
8911         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8912         value.
8913         (Output_section::Input_section::u1_): Update comments.
8914         (Output_section::Input_section::u2_): Add new union member poris.
8915         (Output_section::Checkpoint_output_section): New classs definition.
8916         (Output_section::relax_input_section): New method declaration.
8917         (Output_section::checkpoint_): New data member.
8918         (Output_segment): Update comments.
8919         (Output_segment::Output_segment): Un-privatize copy constructor.
8920         (Output_segment::operator=): Un-privatize.
8921         * script-sections.cc (Output_section_element::Input_section_list):
8922         Change element type to Output_section::Simple_input_section.
8923         (Output_section_element_dot_assignment::set_section_addresses):
8924         Register output section data for relaxation clean up.
8925         (Output_data_exression::Output_data_expression): Adjust call to base
8926         constructor to fix data size.
8927         (Output_section_element_data::set_section_addresses): Register
8928         Output_data_expression object for relaxation clean up.
8929         (struct Input_section_info): Replace Relobj pointer and section index
8930         pair with Output_section::Simple_input_section and Convert struct to a
8931         class.
8932         (Input_section_sorter::operator()): Adjust access to
8933         Input_section_info data member to use accessors.
8934         (Output_section_element_input::set_section_addresses): Use layout
8935         parameter.  Adjust code to use Output_section::Simple_input_section
8936         and Input_secction_info classes.  Register filler for relaxation
8937         clean up.
8938         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8939         and section index pair with Output_section::Simple_input_section
8940         class.  Adjust code accordingly.
8941         (Phdrs_element::release_segment): New method definition.
8942         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8943         segment list.
8944         (Script_sections::release_segments): New method definition.
8945         * gold/script-sections.h (Script_sections::release_segments): New
8946         method declaration.
8947         * gold/target.h (Target::may_relax, Target::relax,
8948         Target::do_may_relax, Target::do_relax): New method definitions.
8949
8950 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8951
8952         * arm.cc (has_signed_unsigned_overflow): New function.
8953         (Arm_relocate_functions::abs8): New function.
8954         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8955         (Target_arm::Scan::global): Likewise.
8956         (Target_arm::relocate::relocate): Likewise.
8957         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8958         Likewise.
8959
8960 2009-09-16  Cary Coutant  <ccoutant@google.com>
8961
8962         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8963         * testsuite/Makefile.in: Regenerate.
8964
8965 2009-09-11  Nick Clifton  <nickc@redhat.com>
8966
8967         * po/gold.pot: Updated by the Translation project.
8968
8969 2009-09-08  Cary Coutant  <ccoutant@google.com>
8970
8971         * output.cc (Output_file::open): Add execute permission to empty file.
8972         * testsuite/Makefile.am (permission_test): New test.
8973         * testsuite/Makefile.in: Regenerate.
8974
8975 2009-09-02  Ian Lance Taylor  <iant@google.com>
8976
8977         * output.cc (Output_file::resize): Call map_no_anonymous rather
8978         than map.
8979
8980 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8981
8982         * gold.cc: Include "incremental.h".
8983         (queue_initial_tasks): Call Incremental_checker methods.
8984         * incremental.cc: Include "output.h".
8985         (Incremental_checker::can_incrementally_link_output_file): New
8986         method.
8987         * incremental.h (Incremental_checker): New class.
8988
8989         * output.cc (Output_file::open_for_modification): New method.
8990         (Output_file::map_anonymous): Changed return type to bool.  Record
8991         map in base_ field.
8992         (Output_file::map_no_anonymous): New method, broken out of map.
8993         (Output_file::map): Use map_no_anonymous and map_anonymous.
8994         * output.h (class Output_file): Update declarations.
8995
8996 2009-08-24  Cary Coutant  <ccoutant@google.com>
8997
8998         * options.h (Command_line::Pre_options): New class.
8999         (Command_line::pre_options): New member.
9000         * options.cc (gold::options::ready_to_register): New variable.
9001         (One_option::register_option): Do nothing if not registering options.
9002         Assert if same short option registered twice.
9003         (General_options::General_options): Turn off option registration when
9004         done constructing.
9005         (Command_line::Pre_options::Pre_options): New constructor.
9006
9007 2009-08-24  Cary Coutant  <ccoutant@google.com>
9008
9009         * options.h (General_options::no_keep_memory): Remove incorrect
9010         short option.
9011
9012 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9013
9014         * Makefile.am (am__skiplex, am__skipyacc): New.
9015         * Makefile.in: Regenerate.
9016
9017 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9018
9019         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9020         (INCLUDES): ... this.
9021         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9022         (AM_CPPFLAGS): Renamed from ...
9023         (INCLUDE): ... this.
9024         * Makefile.in, testsuite/Makefile.in: Regenerate.
9025
9026         * Makefile.in: Regenerate.
9027         * aclocal.m4: Likewise.
9028         * config.in: Likewise.
9029         * configure: Likewise.
9030         * testsuite/Makefile.in: Likewise.
9031
9032         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9033         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9034         * Makefile.in: Regenerate.
9035         * testsuite/Makefile.in: Regenerate.
9036
9037 2009-08-19  Cary Coutant  <ccoutant@google.com>
9038
9039         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9040         symbols in shared libraries overridden by hidden or internal symbols
9041         in the main program.
9042
9043 2009-08-19  Chris Demetriou  <cgd@google.com>
9044
9045         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9046         checking source file names in error messages.
9047
9048 2009-08-18  Doug Kwan  <dougkwan@google.com>
9049
9050         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9051         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9052         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9053         an elfcpp::Ehdr as parameter.
9054         * object.cc (Object::set_target): Remove the version that looks up
9055         a target and sets it.
9056         (Sized_relobj::setup): Take a Target object instead of
9057         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9058         (make_elf_sized_object): Find target and ask target to
9059         make an ELF object.
9060         * object.h: (Object::set_target): Remove the version that looks up
9061         a target and sets it.
9062         (Sized_relobj::setup): Take a Target object instead of
9063         an elfcpp:Ehdr as parameter.
9064         * target.cc: Include dynobj.h.
9065         (Target::do_make_elf_object_implementation): New.
9066         (Target::do_make_elf_object): New.
9067         * target.h (Target::make_elf_object): New template declaration.
9068         (Target::do_make_elf_object): New method declarations.
9069         (Target::do_make_elf_object_implementation): New template declaration.
9070
9071 2009-08-14  Ian Lance Taylor  <iant@google.com>
9072
9073         * gold.h (FUNCTION_NAME): Define.
9074         (gold_unreachable): Use FUNCTION_NAME.
9075
9076 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9077
9078         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9079         symbol in the --keep-unique list is not found.
9080
9081 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9082
9083         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9084         been maked as --keep-unique.
9085         (Icf::unfold_section): New function.
9086         * icf.h (Icf::unfold_section): New function.
9087         * options.h (General_options::keep_unique): New option.
9088         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9089         * testsuite/Makefile.in: Regenerate.
9090         * testsuite/icf_keep_unique_test.sh: New file.
9091         * testsuite/icf_keep_unique_test.cc: New file.
9092
9093 2009-08-12  Cary Coutant  <ccoutant@google.com>
9094
9095         PR 10471
9096         * resolve.cc (Symbol_table::resolve): Check for references from
9097         dynamic objects to hidden and internal symbols.
9098         * testsuite/Makefile.am (hidden_test.sh): New test.
9099         * testsuite/Makefile.in: Regenerate.
9100         * testsuite/hidden_test.sh: New script.
9101         * testsuite/hidden_test_1.c: New test source.
9102         * testsuite/hidden_test_main.c: New test source.
9103
9104 2009-08-11  Doug Kwan  <dougkwan@google.com>
9105
9106         * arm.cc: Update comments.
9107         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9108         segment to locate the .ARM.exidx section if present.
9109
9110 2009-08-09  Doug Kwan  <dougkwan@google.com>
9111
9112         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9113         patch.
9114
9115 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9116         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9117         compiler warnings.
9118
9119 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9120
9121         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9122         valid tls_segment only for non-debug-section relocations.
9123         * testsuite/Makefile.am: Add gc_tls_test.
9124         * testsuite/Makefile.in: Regenerate.
9125         * testsuite/gc_tls_test.cc: New file.
9126         * testsuite/gc_tls_test.sh: New file.
9127
9128 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9129
9130         * icf.cc: New file.
9131         * icf.h: New file.
9132         * Makefile.am (CCFILES): Add icf.cc.
9133         (HFILES): Add icf.h
9134         * Makefile.in: Regenerate.
9135         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9136         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9137         section, symbol and addend information for the relocs.
9138         * gold.cc (queue_middle_tasks): Call identical code folding.
9139         * gold.h: Add defines for multimap.
9140         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9141         to the call of finalize_local_symbols.
9142         * main.cc (main): Create object of class Icf.
9143         * object.cc (Sized_relobj::do_layout): Allow this function to be
9144         called twice during icf.
9145         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9146         to sections marked as identical by icf.
9147         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9148         when available.
9149         (Sized_relobj::do_section_entsize): New function.
9150         * object.h (Object::section_entsize): New function.
9151         (Object::do_section_entsize): New pure virtual function.
9152         (Relobj::finalize_local_symbols): Add new parameter.
9153         (Relobj::do_section_entsize): New function.
9154         * options.h (General_options::icf): New option.
9155         (General_options::icf_iterations): New option.
9156         (General_options::print_icf_sections): New option.
9157         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9158         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9159         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9160         icf.
9161         * symtab.cc (Symbol_table::is_section_folded): New function.
9162         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9163         to sections marked as identical by icf.
9164         * symtab.h (Symbol_table::set_icf): New function.
9165         (Symbol_table::icf): New function.
9166         (Symbol_table::is_section_folded): New function.
9167         (Symbol_table::icf_): New data member.
9168         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9169         * testsuite/Makefile.am: Add commands to build icf_test.
9170         * testsuite/Makefile.in: Regenerate.
9171         * testsuite/icf_test.sh: New file.
9172         * testsuite/icf_test.cc: New file.
9173
9174 2009-07-24  Chris Demetriou  <cgd@google.com>
9175
9176         * layout.cc (is_compressible_debug_section): Fix incorrect
9177         comment about compressed section names.
9178
9179 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9180
9181         PR 10419
9182         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9183
9184 2009-07-16  Ian Lance Taylor  <iant@google.com>
9185
9186         PR 10400
9187         * layout.h: #include <map>.
9188         (class Kept_section): Change from struct to class.  Add accessors
9189         and setters.  Add section size to Comdat_group mapping.  Change
9190         Comdat_group to std::map.  Add is_comdat_ field.  Add
9191         linkonce_size field in union.
9192         (class Layout): Update declaration of find_or_add_kept_section.
9193         Don't declare find_kept_object.
9194         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9195         parameter.  Add object, shndx, is_comdat, and is_group_name
9196         parameters.  Change all callers.  Adjust for new Kept_section.
9197         (Layout::find_kept_object): Remove.
9198         * object.cc (Sized_relobj::include_section_group): Update use of
9199         Kept_section.  Rename secnum to shndx.  Only record
9200         Kept_comdat_section if sections are the same size.
9201         (Sized_relobj::include_linkonce_section): Update use of
9202         Kept_section.  Only record Kept_comdat_section if sections are the
9203         same size.  Set size of linkonce section.
9204         (Sized_relobj::map_to_kept_section): Update call to
9205         get_kept_comdat_section.
9206         * object.h (class Sized_relobj): Rename fields in
9207         Kept_comdat_section to drop trailing underscores; change object
9208         field to Relobj*.  Change Kept_comdat_section_table to store
9209         struct rather than pointer.
9210         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9211         Add kept_object and kept_shndx parameters.  Change all callers.
9212         (Sized_relobj::get_kept_comdat_section): Change return type to
9213         bool.  Add kept_object and kept_shndx parameters.  Change all
9214         callers.
9215         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9216         Layout::find_or_add_kept_section.
9217
9218 2009-07-09  Ian Lance Taylor  <iant@google.com>
9219
9220         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9221         Reserve space in the hash table.
9222
9223 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9224
9225         * fileread.cc (File_read::get_mtime): New method.
9226         * fileread.h (Timespec): New structure.
9227         (File_read::get_mtime): New method.
9228         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9229         Renamed from timestamp_nsec.
9230         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9231         Elf_Xword.
9232         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9233         timestamp_nsec.
9234         (Incremental_inputs::report_archive): Save mtime; style fix.
9235         (Incremental_inputs::report_obejct): Save mtime; style fix.
9236         (Incremental_inputs::report_script): Save mtime; style fix.
9237         (Incremental_inputs::finalize_inputs): Style fix.
9238         (Incremental_inputs::finalize): Style fix.
9239         (Incremental_inputs::create_input_section_data): Store inputs
9240         mtime.
9241         * incremental.h (Incremental_inputs::report_script): Add mtime
9242         argument.
9243         (Incremental_inputs::Input_info::Input_info): Intialize only one
9244         union member.
9245         (Incremental_inputs::Input_info::archive): Move to nameless
9246         union.
9247         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9248         (Incremental_inputs::Input_info::script): Move to nameless union.
9249         (Incremental_inputs::mtime): New field.
9250         * script.cc (read_input_script): Pass file mtime to
9251         Incremental_input.
9252         * script.h (Script_info::inputs): Style fix.
9253
9254 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9255
9256         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9257         instead of 32.
9258
9259 2009-06-24  Ian Lance Taylor  <iant@google.com>
9260
9261         PR 10156
9262         * layout.cc (Layout::choose_output_section): If we find an
9263         existing section, update the flags.
9264         (Layout::create_notes): New function, broken out of
9265         Layout::finalize.
9266         (Layout::finalize): Don't create note sections.
9267         (Layout::create_note): Don't crash if linker script discards
9268         section.
9269         (Layout::create_gold_note): Likewise.
9270         (Layout::create_build_id): Likewise.  Don't set
9271         after_input_sections on the section.
9272         (Layout::create_executable_stack_info): Remove target parameter.
9273         Change caller.
9274         * layout.h (class Layout): Declare create_notes.  Update
9275         declaration of create_executable_stack_info.
9276         * gold.cc (queue_middle_tasks): Call create_notes.
9277         * output.cc (Output_section::update_flags_for_input_section): Move
9278         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9279         invalid.
9280         * output.h (Output_data::mark_address_invalid): New function.
9281         (class Output_section): Only declare, not define,
9282         update_flags_for_input_section.  Remove set_flags.
9283
9284 2009-06-24  Ian Lance Taylor  <iant@google.com>
9285
9286         * script-sections.cc (Output_section_definition::
9287         set_section_addresses): Rename shadowing local load_address to
9288         laddr.
9289
9290 2009-06-24  Ian Lance Taylor  <iant@google.com>
9291
9292         PR 10244
9293         * reloc.cc (relocate_sections): Skip empty relocation sections.
9294
9295 2009-06-23  Ian Lance Taylor  <iant@google.com>
9296
9297         PR 10156
9298         * layout.cc (Layout::create_note): Use choose_output_section
9299         rather than make_output_section.
9300
9301 2009-06-23  Ian Lance Taylor  <iant@google.com>
9302
9303         PR 10237
9304         * options.cc (General_options::parse_V): Set printed_version_.
9305         (General_options::General_options): Initialize printed_version_.
9306         * options.h (class General_options): Add printed_version_ field.
9307         * gold.cc (queue_initial_tasks): If there are no input files,
9308         don't give a fatal error if we printed the version information.
9309         (queue_middle_tasks): If using -r with a shared object, give a
9310         fatal error rather than an ordinary error.
9311
9312 2009-06-23  Ian Lance Taylor  <iant@google.com>
9313
9314         PR 10219
9315         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9316         (Layout::make_output_section): Set have_stabstr_section_ if we see
9317         a .stab*str section.
9318         (Layout::finalize): Call link_stabs_sections.
9319         (Layout::link_stabs_sections): New file.
9320         * layout.h (class Layout): Add have_stabstr_section_ field.
9321         Declare link_stabs_sections.
9322
9323 2009-06-23  Doug Kwan  <dougkwan@google.com>
9324
9325         * Makefile.am (libgold_a_LIBADD): New.
9326         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9327         * Makefile.in: Regenerate.
9328         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9329         * configure: Regenerate.
9330         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9331         * fileread.cc: Include sys/state.h
9332         * gold.h: Declare memmem and strndup if found missing.
9333         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9334
9335 2009-06-23  Ian Lance Taylor  <iant@google.com>
9336
9337         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9338         * configure: Rebuild.
9339
9340 2009-06-23  Ian Lance Taylor  <iant@google.com>
9341
9342         PR 10147
9343         * object.cc (Object::section_contents): Don't try to get a view if
9344         the section has length zero.
9345         (Object::handle_gnu_warning_section): If the section is empty, use
9346         the name of the section as the warning.
9347
9348 2009-06-23  Ian Lance Taylor  <iant@google.com>
9349
9350         PR 10133
9351         * stringpool.h (class Stringpool_template): Add optimize_ field.
9352         (Stringpool_template::set_optimize): New function.
9353         * stringpool.cc (Stringpool_template::Stringpool_template):
9354         Initialize optimize_ field.
9355         (Stringpool_template::set_string_offsets): Test local optimize
9356         fild rather than parameter.
9357         * layout.cc (Layout::Layout): Call set_optimize on the section
9358         name stringpool.
9359
9360 2009-06-22  Ian Lance Taylor  <iant@google.com>
9361
9362         PR 10030
9363         * yyscript.y: Parse TARGET.
9364         * script.cc (script_set_target): New function.
9365         * script-c.h (script_set_target): Declare.
9366         * options.cc (General_options::string_to_object_format): Rename
9367         from string_to_object_format in anonymous namespace.  Change
9368         callers.
9369         * options.h (class General_options): Declare
9370         string_to_object_format.
9371
9372 2009-06-22  Ian Lance Taylor  <iant@google.com>
9373
9374         * script-sections.cc (Script_sections::create_segments): Don't put
9375         program headers in a PT_LOAD segment if -n or -N.
9376
9377 2009-06-22  Ian Lance Taylor  <iant@google.com>
9378
9379         PR 10141
9380         * options.h (class General_options): Add -z lazy and -z now.  Sort
9381         -z options into alphabetical order.
9382         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9383
9384 2009-06-21  Ian Lance Taylor  <iant@google.com>
9385
9386         * layout.cc (Layout::make_output_section): Call
9387         Target::new_output_section.
9388         (Layout::attach_allocated_section_to_segment): Put large section
9389         sections in a separate load segment with the large segment flag
9390         set.
9391         (Layout::segment_precedes): Sort large data segments after other
9392         load segments.
9393         (align_file_offset): New static function.
9394         (Layout::set_segment_offsets): Use align_file_offset.
9395         * output.h (class Output_section): Add is_small_section_ and
9396         is_large_section_ fields.
9397         (Output_section::is_small_section): New function.
9398         (Output_section::set_is_small_section):  New function.
9399         (Output_section::is_large_section): New function.
9400         (Output_section::set_is_large_section): New function.
9401         (Output_section::is_large_data_section): New function.
9402         (class Output_segment): Add is_large_data_segment_ field.
9403         (Output_segment::is_large_data_segment): New function.
9404         (Output_segment::set_is_large_data_segment): New function.
9405         * output.cc (Output_section::Output_section): Initialize new
9406         fields.
9407         (Output_segment::Output_segment): Likewise.
9408         (Output_segment::add_output_section): Add assertion that large
9409         data sections always go in large data segments.  Force small data
9410         sections to the end of the list of data sections.  Force small BSS
9411         sections to the start of the list of BSS sections.  For large BSS
9412         sections to the end of the list of BSS sections.
9413         * symtab.h (class Symbol): Declare is_common_shndx.
9414         (Symbol::is_defined): Check Symbol::is_common_shndx.
9415         (Symbol::is_common): Likewise.
9416         (class Symbol_table): Define enum Commons_section_type.  Update
9417         declarations.  Add small_commons_ and large_commons_ fields.
9418         * symtab.cc (Symbol::is_common_shndx): New function.
9419         (Symbol_table::Symbol_table): Initialize new fields.
9420         (Symbol_table::add_from_object): Put small and large common
9421         symbols in the right list.
9422         (Symbol_table::sized_finalized_symbol): Check
9423         Symbol::is_common_shndx.
9424         (Symbol_table::sized_write_globals): Likewise.
9425         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9426         common symbol lists.  Don't call do_allocate_commons_list if the
9427         list is empty.
9428         (Symbol_table::do_allocate_commons_list): Remove is_tls
9429         parameter.  Add comons_section_type parameter.  Change all
9430         callers.  Handle small and large common symbols.
9431         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9432         Symbol::is_common_shndx.
9433         * resolve.cc (symbol_to_bits): Likewise.
9434         * target.h (Target::small_common_shndx): New function.
9435         (Target::small_common_section_flags): New function.
9436         (Target::large_common_shndx): New function.
9437         (Target::large_common_section_flags): New function.
9438         (Target::new_output_section): New function.
9439         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9440         small_common_section_flags, and large_common_section_flags
9441         fields.
9442         (Target::do_new_output_section): New virtual function.
9443         * arm.cc (Target_arm::arm_info): Initialize new fields.
9444         * i386.cc (Target_i386::i386_info): Likewise.
9445         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9446         Likewise.
9447         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9448         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9449         (Target_x86_64::do_new_output_section): New function.
9450         * configure.ac: Define conditional MCMODEL_MEDIUM.
9451         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9452         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9453         (large_LDFLAGS): Define.
9454         * testsuite/large.c: New file.
9455         * testsuite/testfile.cc (Target_test::test_target_info):
9456         Initialize new fields.
9457         * configure, testsuite/Makefile.in: Rebuild.
9458
9459 2009-06-05  Doug Kwan  <dougkwan@google.com>
9460
9461         * Makefile.am (CCFILES): Add target.cc.
9462         * Makefile.in: Regenerate.
9463         * i386.cc (class Target_i386): Define new virtual method to
9464         override do_is_local_label_name in parent.
9465         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9466         local symbols if --discard-locals or -X is given.
9467         * options.h (class General_options): Declare new options
9468         '--discard-locals' and '-X' for discarding locals.
9469         * target.h (class Target): Define new methods is_local_label_name.
9470         Declare new virtual method do_is_local_label_name.
9471         * target.cc: New file.
9472         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9473         (check_SCRIPTS): Add discard_locals_test.sh.
9474         (check_DATA): Add discard_local_tests.syms.
9475         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9476         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9477         * testsuite/Makefile.in: Regenerate.
9478         * testsuite/discard_locals_test.c: New file.
9479         * testsuite/discard_locals_test.sh: Same.
9480
9481 2009-06-05  Doug Kwan  <dougkwan@google.com>
9482
9483         * object.cc (Sized_relobj::Sized_relobj): Initialize
9484         discarded_eh_frame_shndx_ to -1U.
9485         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9486         section.
9487         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9488         a discarded .eh_frame section.
9489         (Sized_relobj::do_finalize_local_symbols): Ditto.
9490         * object.h (class Sized_relobj): Declare new member
9491         discarded_eh_frame_shndx_.
9492         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9493         (local_labels_test.o, local_labels_test): New rules.
9494         * testsuite/Makefile.in: Regenerate.
9495
9496 2009-06-04  Doug Kwan  <dougkwan@google.com>
9497
9498         * layout.cc (Layout::section_name_mapping): Add mapping for
9499         special ARM sections.
9500
9501 2009-06-03  Doug Kwan  <dougkwan@google.com>
9502
9503         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9504         (utils::has_overflow): Same.
9505
9506 2009-06-03  Ian Lance Taylor  <iant@google.com>
9507
9508         * layout.cc (Layout::section_name_mapping): New array, replacing
9509         Layout::linkonce_mapping.
9510         (Layout::section_name_mapping_count): New variable, replacing
9511         Layout::linkonce_mapping_count.
9512         (Layout::linkonce_output_name): Remove.
9513         (Layout::output_section_name): Rewrite.
9514         * layout.h (class Layout): Rename Linkonce_mapping to
9515         Section_name_mapping, linkonce_mapping to section_name_mapping,
9516         linkonce_mapping_count to section_name_mapping_count.  Don't
9517         declare linkonce_output_name.
9518
9519 2009-06-03  Doug Kwan  <dougkwan@google.com>
9520
9521         * gold/arm.cc (namespace utils): New.
9522         (Target_arm::reloc_is_non_pic): Define new method.
9523         (class Arm_relocate_functions): New.
9524         (Target_arm::Relocate::relocate): Handle relocation types used by
9525         Android.
9526
9527 2009-06-03  Ian Lance Taylor  <iant@google.com>
9528
9529         * arm.cc (Target_arm::scan::global): Use || instead of |.
9530
9531 2009-06-02  Doug Kwan  <dougkwan@google.com>
9532
9533         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9534         issued_non_pic_error_.
9535         (class Target_arm::Scan): Declare new method check_non_pic.
9536         Define new method symbol_needs_plt_entry.
9537         Declare new data member issued_non_pic_error_.
9538         (class Target_arm::Relocate): Declare new method
9539         should_apply_static_reloc.
9540         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9541         (Target_arm::Scan::check_non_pic): Define new method.
9542         (Target_arm::Scan::local): Handle a small subset of reloc types used
9543         by Android.
9544         (Target_arm::Scan::local): Same.
9545         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9546
9547 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9548
9549         * incremental.cc (Incremental_inputs::report_command_line): Filter
9550         out --incremental-* options.
9551
9552 2009-05-29  Doug Kwan  <dougkwan@google.com>
9553
9554         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9555         template class.
9556         (class Target_arm): Update comment.
9557         (Target_arm::Target_arm): Initialize new data members GOT_,
9558         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9559         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9560         and Target_arm::rel_dyn_section.
9561         Declare new_enum Target_arm::Got_type.
9562         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9563         and DYNBSS_.
9564         Update commments for member do_dynsym_value.
9565         (Target_arm::got_size, Target_arm::plt_section,
9566         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9567         new methods inside class defintion.
9568         (Target_arm::got_section): Define new method.
9569         (Target_arm::rel_dyn_section): Same.
9570         (Output_data_plt_arm): New template class.
9571         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9572         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9573         (Output_data_plt_arm::add_entry): Same.
9574         (Output_data_plt_arm::first_plt_entry): Define new
9575         static data member for PLT instruction template.
9576         (Output_data_plt_arm::plt_entry): Same.
9577         (Output_data_plt_arm::do_write): Define new method.
9578         (Target_arm::make_plt_entry): Same.
9579         (Target_arm::do_finalize_sections): Same.
9580         (Target_arm::do_dynsym_value): Same.
9581
9582 2009-05-28  Doug Kwan  <dougkwan@google.com>
9583
9584         * Makefile.am (TARGETSOURCES): Add arm.cc.
9585         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9586         * Makefile.in: Regenerate.
9587         * arm.cc: New file.
9588         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9589
9590 2009-05-26  Doug Kwan  <dougkwan@google.com>
9591
9592         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9593         (General_options::check_excluded_libs): Strip off directories in
9594         archive name before matching like GNU ld does.
9595         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9596         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9597         (exclude_libs_test_LDFLAGS): Add linker option
9598         -Wl,--exclude-libs,libexclude_libs_test_3
9599         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9600         an explicit archive without using -l.
9601         (alt/libexclude_libs_test_3.a): New make rule.
9602         * testsuite/Makefile.in: Regenerate.
9603         * testsuite/exclude_libs_test.c : Declare lib3_default().
9604         (main): Call it.
9605         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9606         * exclude_libs_test_3.c: New file.
9607
9608 2009-05-26  Nick Clifton  <nickc@redhat.com>
9609
9610         * po/id.po: New Indonesian translation.
9611         * po/gold.pot: Updated template file.
9612
9613 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9614
9615         * testsuite/Makefile.am: Add -ffunction-sections to compile
9616         gc_comdat_test files.  Add -Wl,--gc-sections to build
9617         gc_comdat_test.
9618         * testsuite/Makefile.in: Regenerate.
9619         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9620
9621 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9622
9623         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9624         kept comdat section was garbage collected.
9625         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9626         * testsuite/Makefile.in: Regenerate.
9627         * testsuite/gc_comdat_test.sh: New file.
9628         * testsuite/gc_comdat_test_1.cc: New file.
9629         * testsuite/gc_comdat_test_2.cc: New file.
9630
9631 2009-05-19  Doug Kwan  <dougkwan@google.com>
9632
9633         * archive.cc (Archive::Archive): Move constructor from archive.h
9634         to here.  Initialize no_export_.
9635         (Archive::get_elf_object_for_member): Set no_export flag of object.
9636         * archive.h (Archive::Archive): Move constructor body to
9637         archive.cc.
9638         (Archive::no_export): New method.
9639         (Archive::no_export_): New field.
9640         * object.h (Object::Object): Initialize no_export_ to false.
9641         (Object::no_export, Object::set_no_export): New methods.
9642         (Object::no_export_): New field.
9643         * options.cc (General_options::parse_exclude_libs): New method.
9644         (General_options::check_excluded_libs) Same.
9645         * options.h (exclude_libs): New option.
9646         (General_options::check_excluded_libs): New method declaration.
9647         (General_options::excluded_libs_): New field.
9648         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9649         default or protected visibility if an object has no-export flag set.
9650         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9651         (check_SCRIPTS): Add exclude_libs_test.sh.
9652         (check_DATA): Add exclude_libs_test.syms.
9653         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9654         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9655         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9656         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9657         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9658         libexclude_libs_test_2.a): New rules.
9659         * testsuite/Makefile.in: Regenerate.
9660         * testsuite/exclude_libs_test.c: New file.
9661         * testsuite/exclude_libs_test.sh: Ditto.
9662         * testsuite/exclude_libs_test_1.c: Ditto.
9663         * testsuite/exclude_libs_test_2.c: Ditto.
9664
9665 2009-05-15  Ian Lance Taylor  <iant@google.com>
9666
9667         * configure.ac: Check for declarations for cases where libiberty.h
9668         checks HAVE_DECL_xxx.
9669         * configure, config.in: Rebuild.
9670
9671 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9672
9673         * gold.h (Incremental_argument_list): Remove (invalid) forward
9674         declaration.
9675         * incremental.cc (Incremental_inputs::report_achive): New method.
9676         (Incremental_inputs::report_object): New method.
9677         (Incremental_inputs::report_script): New method.
9678         (Incremental_inputs::finalize_inputs): New method.
9679         (Incremental_inputs::finalize): Call finalize_inputs().
9680         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9681         Create inputs entries.
9682         * incremental.h (Incremental_input_type): New enum.
9683         (Incremental_inputs::Incremental_input): Initialize new fields.
9684         (Incremental_inputs::report_inputs): New method.
9685         (Incremental_inputs::report_achive): New method.
9686         (Incremental_inputs::report_object): New method.
9687         (Incremental_inputs::report_script): New method.
9688         (Incremental_inputs::finalize_inputs): New method.
9689         (Incremental_inputs::Input_info): New struct.
9690         (Incremental_inputs::Input_info_map): New typedef.
9691         (Incremental_inputs::lock_): New field.
9692         (Incremental_inputs::Inputs_): New field.
9693         (Incremental_inputs::Inputs_map): New field.
9694         * main.cc (main): Call Incremental_input::report_inputs.
9695         * options.h (Input_argument_list): Typedef moved from
9696         Input_arguments.
9697         (Input_file_group::Files): Remove, use ::Input_argument_list.
9698         (Input_file_group::Input_argument_list): Remove, use
9699         ::Input_argument_list.
9700         * plugin.cc (Plugin_manager::add_input_file): Add error in
9701         incremental build.
9702         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9703         functions.
9704         * script.cc (read_input_script): Call
9705         Incremental_input::report_script.
9706         * script.h (Script_info): New class.
9707
9708 2009-04-27  Ian Lance Taylor  <iant@google.com>
9709
9710         * x86_64.cc (do_adjust_output_section): Set entsize to
9711         plt_entry_size.
9712
9713 2009-04-23  Elliott Hughes  <enh@google.com>
9714
9715         * output.cc (Output_file::close): After short writes, continue
9716         writing from the correct offset in the buffer being written.
9717
9718 2009-04-23  Chris Demetriou  <cgd@google.com>
9719
9720         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9721         * configure: Regenerate.
9722         * config.in: Regenerate.
9723         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9724         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9725
9726 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9727
9728         * incremental.cc (Incremental_inputs_header_data): Renamed from
9729         Incremental_input_header_data.
9730         (Incremental_inputs_header_data::data_size): New field.
9731         (Incremental_inputs_header_data::put_input_file_count): Renamed
9732         from input_file_count.
9733         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9734         from command_line_offset.
9735         (Incremental_inputs_header_data::put_reserved): Renamed from
9736         put_reserved.
9737         (Incremental_inputs_entry_data): Renamed from
9738         Incremental_input_entry_data.
9739         (Incremental_inputs_entry_data::data_size): New field.
9740         (Incremental_inputs::report_command_line): New method.
9741         (Incremental_inputs::finalize): New method.
9742         (Incremental_inputs::create_incremental_inputs_data): New method.
9743         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9744         * incremental.h: New file.
9745         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9746        (Layout::finalize): Create incremental inputs section in
9747         incremental builds.
9748        (Layout::create_incremental_info_sections): New method.
9749         * layout.h (Layout::incremental_inputs): New method.
9750        (Layout::create_incremental_info_sections): New method.
9751        (Layout::incremental_inputs_): New field.
9752         * main.cc (main): Notify Incremental_input of the command line.
9753
9754 2009-04-01  Ian Lance Taylor  <iant@google.com>
9755             Mikolaj Zalewski  <mikolajz@google.com>
9756
9757         * gold.h (reserve_unordered_map): Define, three versions, one for
9758         each version of Unordered_map.
9759         * layout.cc (Layout::Layout): Remove options parameter.  Add
9760         number_of_input_files parameter.  Don't initialize options_.
9761         Initialize number_of_input_files_ and resized_signatures_.  Move
9762         sections_are_attached_.
9763         (Layout::layout_group): Reserve space for group_signatures_.
9764         (Layout::find_or_add_kept_section): Change name parameter to be a
9765         reference.  Resize signatures_ map when it gets large enough.
9766         (Layout::layout_eh_frame): Use parameters->options() instead of
9767         this->options_.
9768         (Layout::make_output_section): Likewise.
9769         (Layout::attach_allocated_section_to_segment): Likewise.
9770         (Layout::finalize, Layout::create_executable_stack): Likewise.
9771         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9772         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9773         * layout.h (class Layout): Update declarations.  Remove options_
9774         field.  Add number_of_input_files_ and resized_signatures_
9775         fields.  Move sections_are_attached_ field.
9776         * main.cc (main): Pass number of input files to Layout
9777         constructor.  Don't pass options.
9778
9779 2009-03-30  Ian Lance Taylor  <iant@google.com>
9780
9781         * ffsll.c (ffsll): Correct implementation.
9782
9783 2009-03-27  Ian Lance Taylor  <iant@google.com>
9784
9785         * ffsll.c: New file.
9786         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9787         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9788         * ftruncate.c (ftruncate): Declare before definition.
9789         * mremap.c (mremap): Likewise.
9790         * pread.c (pread): Likewise.
9791         * configure, Makefile.in, config.in: Rebuild.
9792
9793         * mremap.c: New file.
9794         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9795         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9796         (mremap): Declare if HAVE_MREMAP is not defined.
9797         * configure, Makefile.in, config.in: Rebuild.
9798
9799 2009-03-27  Cary Coutant  <ccoutant@google.com>
9800
9801         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9802         position independent.
9803         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9804         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9805
9806 2009-03-24  Cary Coutant  <ccoutant@google.com>
9807
9808         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9809         an executable.
9810         (needs_dynamic_reloc): Likewise.
9811
9812 2009-03-24  Ian Lance Taylor  <iant@google.com>
9813
9814         * yyscript.y (file_cmd): Recognize EXTERN.
9815         (extern_name_list, extern_name_list_body): New nonterminals.
9816         * script.cc (script_add_extern): Define.
9817         * script-c.h (script_add_extern): Declare.
9818
9819 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9820
9821         * object.cc (is_elf_object): Define.
9822         * object.h (is_elf_object): Declare.
9823         * archive.cc (Archive::get_elf_object_for_member): Call
9824         is_elf_object.
9825         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9826
9827 2009-03-24  Elliott Hughes  <enh@google.com>
9828
9829         * output.cc (Output_file::map_anonymous): Define.
9830         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9831         try an anonymous one.  Report the size if the mmap fails.
9832         * output.h (class Output_file): Declare map_anonymous.
9833
9834 2009-03-24  Ian Lance Taylor  <iant@google.com>
9835
9836         * target-select.cc (instantiate_target): Don't acquire the lock if
9837         the instantiated_target_ field has already been set.
9838
9839 2009-03-23  Ian Lance Taylor  <iant@google.com>
9840
9841         * gold-threads.h (class Initialize_lock): Define.
9842         * gold-threads.cc (class Initialize_lock_once): Define.
9843         (initialize_lock_control): New static variable.
9844         (initialize_lock_pointer): New static variable.
9845         (initialize_lock_once): New static function.
9846         (Initialize_lock::Initialize_lock): Define.
9847         (Initialize_lock::initialize): Define.
9848         * target-select.h: Include "gold-threads.h".
9849         (class Target_selector): Add lock_ and initialize_lock_ fields.
9850         Don't define instantiate_target, just declare it.
9851         * target-select.cc (Target_selector::Target_selector): Initialize
9852         new fields.
9853         (Target_selector::instantiate_target): Define.
9854         * descriptors.h: Include "gold-threads.h".
9855         (class Descriptors): Add initialize_lock_ field.
9856         * descriptors.cc (Descriptors::Descriptors): Initialize new
9857         field.
9858         (Descriptors::open): Use initialize_lock_ field
9859         * errors.h (class Errors): Add initialize_lock_ field.
9860         * errors.cc (Errors::Errors): Initialize new field.
9861         (Errors::initialize_lock): Use initialize_lock_ field.
9862         * powerpc.cc (class Target_selector_powerpc): Remove
9863         instantiated_target_ field.  In do_recognize call
9864         instantiate_target rather than do_instantiate_target.  In
9865         do_instantiate_target just allocate a new target.
9866         * sparc.cc (class Target_selector_sparc): Likewise.
9867
9868         * freebsd.h: New file.
9869         * i386.cc: Include "freebsd.h".
9870         (Target_i386): Derive from Target_freebsd rather than
9871         Sized_target.
9872         (Target_selector_i386): Derive from Target_selector_freebsd rather
9873         than Target_selector.
9874         * x86_64.cc: Include "freebsd.h".
9875         (Target_x86_64): Derive from Target_freebsd rather than
9876         Sized_target.
9877         (Target_selector_x86_64): Derive from Target_selector_freebsd
9878         rather than Target_selector.
9879         * target.h (class Target): Add adjust_elf_header and
9880         do_adjust_elf_header.
9881         * output.cc (Output_file_header:: do_sized_write): Call target
9882         adjust_elf_header routine.
9883         * configure.tgt: Set targ_osabi.
9884         * configure.ac: Define GOLD_DEFAULT_OSABI.
9885         * parameters.cc (Parameters::default_target): Pass
9886         GOLD_DEFAULT_OSABI to select_target.
9887         * target-select.h (class Target_selector): Make instantiate_target
9888         protected rather than private.
9889         * Makefile.am (HFILES): Add freebsd.h.
9890         * configure, Makefile.in, config.in: Rebuild.
9891
9892         * merge.cc (do_add_input_section): Correct pend value.  Change
9893         message about last entry not being null terminated from error to
9894         warning.
9895
9896 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9897
9898         * incremental.cc: New file.
9899         * Makefile.am (CCFILES): Add incremental.cc.
9900         * Makefile.in: Rebuild.
9901
9902 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9903
9904         * layout.cc (Layout::output_section_name): Preserve names
9905         of '.note.' sections.
9906
9907 2009-03-19  Ian Lance Taylor  <iant@google.com>
9908
9909         * descriptors.cc (Descriptors::open): Check that the options are
9910         valid before using them.
9911
9912 2009-03-18  Ian Lance Taylor  <iant@google.com>
9913
9914         * script-sections.h: Include <list>.
9915         (class Script_sections): Change Sections_elements from std::vector
9916         to std::list.  Typedef public Elements_iterator.  Add
9917         orphan_section_placement_, data_segment_align_start_, and
9918         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9919         field.
9920         * script-sections.cc (class Orphan_section_placement): New class.
9921         (class Sections_element): Add virtual functions is_relro and
9922         orphan_section_init.  Remove virtual function place_orphan_here.
9923         (class Output_section_definition): Add is_relro and
9924         orphan_section_init.  Remove place_orphan_here.
9925         (class Orphan_output_section): Likewise.
9926         (Script_sections::Script_sections): Update for field changes.
9927         (Script_sections::data_segment_align): Set saw_data_segment_align_
9928         and data_segment_align_start_, not data_segment_align_index.
9929         (Script_sections::data_segment_relro_end): Check
9930         saw_data_segment_align_.  Use data_segment_align_start_ rather
9931         than data_segment_align_index_.
9932         (Script_sections::place_orphan): Rewrite to use
9933         Orphan_section_placement.
9934
9935 2009-03-17  Ian Lance Taylor  <iant@google.com>
9936
9937         * archive.cc (Archive::add_symbols): Check for a version attached
9938         to the symbol name in the archive map.
9939         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9940         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9941         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9942         (ver_test_11.a): New target.
9943         * testsuite/Makefile.in: Rebuild.
9944
9945         * configure.ac: Check for chsize and posix_fallocate.  Replace
9946         ftruncate.
9947         * ftruncate.c: New file, from gnulib.
9948         * output.cc (posix_fallocate): Define dummy version if not
9949         HAVE_POSIX_FALLOCATE.
9950         (Output_file::map): Call posix_fallocate rather than lseek and
9951         write.
9952         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9953         * configure, Makefile.in, config.in: Rebuild.
9954
9955 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9956
9957         * layout.h (Layout::create_note): Add section_name parameter.
9958         * layout.cc (Layout::create_note): Likewise.
9959         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9960
9961 2009-03-17  Ian Lance Taylor  <iant@google.com>
9962
9963         * descriptors.cc: Include "options.h".
9964         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9965         (Descriptors::open): Always use O_CLOEXEC when opening a new
9966         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9967         then set FD_CLOEXEC.
9968
9969         * sparc.cc (class Target_sparc): Add has_got_section.
9970         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9971         make sure we have a GOT section.
9972
9973         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9974         (Target_sparc::Scan::local): Likewise.
9975         (Target_sparc::Scan::global): Likewise.
9976         (Target_sparc::Relocate::relocate): Likewise.
9977         (Target_sparc::Relocate::relocate_tls): Likewise.
9978
9979         * symtab.cc (Symbol_table::define_default_version): New function,
9980         broken out of add_from_object.
9981         (Symbol_table::add_from_object): Call define_default_version.
9982         (Symbol_table::define_special_symbol): Add resolve_oldsym
9983         parameter.  Change all callers.  If the version for a symbol comes
9984         from a version script, resolve it with the symbol with the same
9985         name with no version.  Also add the symbol without a version if
9986         appropriate.
9987         (do_define_in_output_data): If resolving with oldsym, don't delete
9988         sym.
9989         (do_define_in_output_segment): Likewise.
9990         (do_define_as_constant): Likewise.
9991         * symtab.h (class Symbol_table): Update declarations.
9992
9993 2009-03-13  Ian Lance Taylor  <iant@google.com>
9994
9995         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9996         (Read_symbols::requeue): New function.
9997         (Read_symbols::do_read_symbols): If make_elf_object fails because
9998         the target type is not configured, and the file was searched for,
9999         issue a warning and retry with the next directory.
10000         (Add_symbols::run): If the file has an incompatible format, and
10001         it was searched for, requeue the Read_symbols task.  On error,
10002         release the object.
10003         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10004         dirindex parameter to constructor.  Change all callers.  Declare
10005         incompatible_warning and requeue.
10006         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10007         input_argument_ and input_group_ fields.  Add them to
10008         constructor.  Change all callers.
10009         (class Read_script): Add dirindex_ field.  Add it to constructor.
10010         Change all callers.
10011         * archive.cc (Archive::setup): Remove input_objects parameter.
10012         Change all callers.
10013         (Archive::get_file_and_offset): Likewise.
10014         (Archive::read_all_symbols): Likewise.
10015         (Archive::read_symbols): Likewise.
10016         (Archive::get_elf_object_for_member): Remove input_objects
10017         parameter.  Add punconfigured parameter.  Change all callers.
10018         (Archive::add_symbols): Change return type to bool.  Check return
10019         value of include_member.
10020         (Archive::include_all_members): Likewise.
10021         (Archive::include_member): Change return type to bool.  Return
10022         false if first included object has incompatible target.  Set
10023         included_member_ field.
10024         (Add_archive_symbols::run): If add_symbols returns false, requeue
10025         Read_symbols task.
10026         * archive.h (class Archive): Add included_member_ field.
10027         Initialize it in constructor.  Add input_file and searched_for
10028         methods.  Update declarations.
10029         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10030         input_argument_ fields.  Add them to constructor.  Change all
10031         callers.
10032         * script.cc: Include "target-select.h".
10033         (class Parser_closure): Add skip_on_incompatible_target_ and
10034         found_incompatible_target_ fields.  Add
10035         skip_on_incompatible_target parameter to constructor.  Change all
10036         callers.  Add methods skip_on_incompatible_target,
10037         clear_skip_on_incompatible_target, found_incompatible_target, and
10038         set_found_incompatible_target.
10039         (read_input_script): Add dirindex parameter.  Change all callers.
10040         If parser finds an incompatible target, requeue Read_symbols
10041         task.
10042         (script_set_symbol): Clear skip_on_incompatible_target in
10043         closure.
10044         (script_add_assertion, script_parse_option): Likewise.
10045         (script_start_sections, script_add_phdr): Likewise.
10046         (script_check_output_format): New function.
10047         * script.h (read_input_script): Update declaration.
10048         * script-c.h (script_check_output_format): Declare.
10049         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10050         (ignore_cmd): Remove OUTPUT_FORMAT.
10051         * fileread.cc (Input_file::Input_file): Add explicit this.
10052         (Input_file::will_search_for): New function.
10053         (Input_file::open): Add pindex parameter.  Change all callers.
10054         * fileread.h (class Input_file): Add input_file_argument method.
10055         Declare will_search_for.  Update declarations.
10056         * object.cc (make_elf_object): Add punconfigured parameter.
10057         Change all callers.
10058         * object.h (class Object): Make input_file public.  Add
10059         searched_for method.
10060         (make_elf_object): Update declaration.
10061         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10062         restart search.
10063         * dirsearch.h (class Dirsearch): Update declaration.
10064         * options.h (class General_options): Add --warn-search-mismatch.
10065         * parameters.cc (Parameters::is_compatible_target): New function.
10066         * parameters.h (class Parameters): Declare is_compatible_target.
10067         * workqueue.cc (Workqueue::add_blocker): New function.
10068         * workqueue.h (class Workqueue): Declare add_blocker.
10069
10070         * fileread.cc (Input_file::open): Remove options parameter.
10071         Change all callers.
10072         (Input_file::open_binary): Likewise.
10073         * script.cc (read_input_script): Likewise.
10074         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10075         options parameter from constructor.  Change all callers.
10076         (class Read_script): Likewise.
10077         * fileread.h (class Input_file): Update declarations.
10078         * script.h (read_input_script): Update declaration.
10079
10080 2009-03-10  Nick Clifton  <nickc@redhat.com>
10081
10082         * po/es.po: New Spanish translation.
10083
10084 2009-03-06  Cary Coutant  <ccoutant@google.com>
10085
10086         * options.cc (parse_short_option): Keep dash_z from registering itself.
10087
10088 2009-03-03  Ian Lance Taylor  <iant@google.com>
10089
10090         PR 9918
10091         * target-reloc.h (relocate_section): Pass output_section to
10092         relocate.
10093         * i386.cc (Target_i386::should_apply_static_reloc): Add
10094         output_section parameter.  Change all callers.
10095         (Target_i386::Relocate::relocate): Add output_section parameter.
10096         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10097         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10098         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10099         * testsuite/two_file_shared.sh: New script.
10100         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10101         (check_DATA): Add two_file_shared.dbg.
10102         (two_file_shared.dbg): New target.
10103         * testsuite/Makefile.in: Rebuild.
10104
10105 2009-03-01  Ian Lance Taylor  <iant@google.com>
10106
10107         * configure.ac: Check for byteswap.h.
10108         * configure: Rebuild.
10109         * config.in: Rebuild.
10110
10111 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10112
10113         * layout.cc (Layout::find_or_add_kept_section): New function.
10114         (Layout::add_comdat): Removed.
10115         * layout.h (struct Kept_section): Move out of class Layout.
10116         Remove trailing underscores from field names.  Add group_sections
10117         field.  Rename group_ field to is_group.  Change all uses.
10118         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10119         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10120         comdat_groups_ field.
10121         (Sized_relobj::include_section_group): Use
10122         find_or_add_kept_section and Kept_section::group_sections.
10123         (Sized_relobj::include_linkonce_section): Likewise.
10124         * object.cc (class Sized_relobj): Don't define Comdat_group or
10125         Comdat_group_table.  Remove find_comdat_group and
10126         add_comdat_group.  Remove comdat_groups_ field.
10127         * plugin.cc (include_comdat_group): Use
10128         Layout::find_or_add_kept_section.
10129
10130 2009-02-28  Ian Lance Taylor  <iant@google.com>
10131
10132         * README: --gc-sections and map files are now supported.  Document
10133         some build requirements.
10134
10135         PR 6992
10136         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10137         relocatable link set the value of the section symbol to zero.
10138         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10139         relocatable link don't include the section address in the local
10140         symbol value.
10141
10142 2009-02-27  Ian Lance Taylor  <iant@google.com>
10143
10144         PR 6811
10145         * options.h (class Search_directory): Add is_system_directory.
10146         (class General_options): Declare is_in_system_directory.
10147         * options.cc (get_relative_sysroot): Make static.
10148         (get_default_sysroot): Make static.
10149         (General_optoins::is_in_system_directory): New function.
10150         * fileread.cc (Input_file::is_in_system_directory): New function.
10151         * fileread.h (class Input_file): Declare is_in_system_directory.
10152         * object.h (class Object): Add is_in_system_directory.
10153         (class Input_objects): Remove system_library_directory_ field.
10154         * object.cc (Input_objects::add_object): Don't set
10155         system_library_directory_.
10156         (input_objects::found_in_system_library_directory): Remove.
10157         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10158         parameter.  Change all callers.
10159         (Symbol_table::sized_write_globals): Likewise.
10160         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10161         Call Object::is_in_system_directory.
10162         * symtab.h (class Symbol_table): Update declarations.
10163
10164         PR 5990
10165         * descriptors.h (Open_descriptor): Add is_on_stack field.
10166         * descriptors.cc (Descriptors::open): If the descriptor is on the
10167         top of the stack, remove it.  Initialize is_on_stack field.
10168         (Descriptors::release): Only add pod to stack if it is not on the
10169         stack already.
10170         (Descriptors::close_some_descriptor): Clear stack_next and
10171         is_on_stack fields.
10172
10173         PR 7091
10174         * output.cc (Output_section::find_starting_output_address): Rename
10175         from starting_output_address; add PADDR parameter; change return
10176         type.
10177         * output.h (class Output_section): Declare
10178         find_starting_output_address instead of starting_output_address.
10179         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10180         section symbol for which we can't find a merge section.
10181
10182         PR 9836
10183         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10184         hidden or internal, force the symbol to be local.
10185         * resolve.cc (Symbol::override_visibility): Define.
10186         (Symbol::override_base): Use override_visibility.
10187         (Symbol_table::resolve): Likewise.
10188         (Symbol::override_base_with_special): Likewise.
10189         (Symbol_table::override_with_special): If the visibility is hidden
10190         or internal, force the symbol to be local.
10191         * symtab.h (class Symbol): Add set_visibility and
10192         override_visibility.
10193         * testsuite/ver_test_1.sh: New file.
10194         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10195         (check_DATA): Add ver_test_1.syms.
10196         (ver_test_1.syms): New target.
10197         * testsuite/Makefile.in: Rebuild.
10198
10199 2009-02-25  Cary Coutant  <ccoutant@google.com>
10200
10201         * layout.cc (Layout::choose_output_section): Don't rename sections
10202         when using a linker script that has a SECTIONS clause.
10203         * Makefile.in: Regenerate.
10204
10205         * testsuite/Makefile.am (script_test_5.sh): New test case.
10206         * testsuite/Makefile.in: Regenerate.
10207         * testsuite/script_test_5.cc: New file.
10208         * testsuite/script_test_5.sh: New file.
10209         * testsuite/script_test_5.t: New file.
10210
10211 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10212
10213         * archive.cc (Archive::include_member): Update calls to add_symbols.
10214         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10215         the Layout argument.
10216         * dynobj.h (do_add_symbols): Add the Layout argument.
10217         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10218         Layout argument.
10219         * object.h (Object::add_symbols): Add the Layout argument.
10220         (Object::do_add_symbols): Add the Layout argument.
10221         (Sized_relobj::do_add_symbols): Add the Layout argument.
10222         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10223         Unify the two versions.
10224         (Add_plugin_symbols): Remove.
10225         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10226         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10227         (Add_plugin_symbols): Remove.
10228         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10229         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10230         (Add_symbols::run): Make it work with Pulginobj.
10231
10232 2009-02-06  Ian Lance Taylor  <iant@google.com>
10233
10234         * object.cc (Sized_relobj::do_layout): Make info message start
10235         with lower case letter.
10236
10237 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10238
10239         * binary.cc: Fix file comment.
10240
10241         * options.h (enum Incremental_disposition): Define.
10242         (class General_options): Add new options: --incremental,
10243         --incremental_changed, --incremental_unchanged,
10244         --incremental_unknown.  Add incremental_disposition_ and
10245         implicit_incremental_ fields.
10246         (General_options::incremental_disposition): New function.
10247         (class Position_dependent_options): Add incremental_disposition
10248         option.
10249         (Position_dependent_options::copy_from_options): Set incremental
10250         dispositions.
10251         * options.cc (General_options::parse_incremental_changed): New
10252         function.
10253         (General_options::parse_incremental_unchanged): New function.
10254         (General_options::parse_incremental_unknown): New function.
10255         (General_options::General_options): Initialize new fields
10256         incremental_disposition_ and implicit_incremental_.
10257         (General_options::finalize): Check for uasge of --incremental-*
10258         without --incremental.
10259
10260 2009-02-06  Chris Demetriou  <cgd@google.com>
10261
10262         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10263         pointer and to report location as the file name associated with
10264         the symbol.
10265         (gold_undefined_symbol_at_location): New function to replace the
10266         old gold_undefined_symbol functionality.
10267         * target-reloc.h (relocate_section): Update to use
10268         gold_undefined_symbol_at_location.
10269         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10270         Call gold_undefined_symbol function rather than gold_error.
10271         * errors.h (Errors::undefined_symbol): Take location as a
10272         string, rather than calculating it from a relocation.
10273         * errors.cc (Errors::fatal): Print "fatal error:" before the
10274         formatted message.
10275         (Errors::error, Errors::error_at_location): Print "error: "
10276         before the formatted message.
10277         (Errors::undefined_symbol): Take location as a string, rather
10278         than calculating it from a relocation.
10279         (gold_undefined_symbol_at_location): New function akin to
10280         old gold_undefined_symbol, calculates location from relocation.
10281         (gold_undefined_symbol): Change to take only a Symbol pointer
10282         and to report location as the file name associated with the symbol.
10283         * testsuite/debug_msg.sh: Update for changed error messages.
10284         * testsuite/undef_symbol.sh: Likewise.
10285
10286 2009-02-04  Duncan Sands  <baldrick@free.fr>
10287
10288         PR 9812
10289         * reduced_debug_output.h
10290         (Output_reduced_debug_abbrev_section::failed): Use format for
10291         gold_warning.
10292         (Output_reduced_debug_info_section::faild): Likewise.
10293
10294 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10295
10296         * script.cc (Lazy_demangler): New class.
10297         (Version_script_info::get_symbol_version_helper): Demangle a
10298         symbol only once.
10299
10300 2009-01-29  Cary Coutant  <ccoutant@google.com>
10301
10302         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10303         to __tls_get_addr.
10304         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10305
10306 2009-01-28  Ian Lance Taylor  <iant@google.com>
10307
10308         * version.cc (version_string): Bump to 1.9.
10309
10310         * gold.h: Include <cstring> and <stdint.h>.
10311         * version.cc: Include <cstdio>.
10312         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10313         warning.
10314         * reduced_debug_output.cc (insert_into_vector): Rename from
10315         Insert_into_vector; change all callers.  Use Swap_unaligned to
10316         avoid aliasing issue; remove union since it is unnecessary.
10317
10318 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10319
10320         * Makefile.am (CCFILES): Add gc.cc.
10321         (HFILES): Add gc.h.
10322         * Makefile.in: Regenerate.
10323         * gold.cc (Gc_runner): New class.
10324         (queue_initial_tasks): Call garbage collection related tasks
10325         when corresponding options are invoked.
10326         (queue_middle_gc_tasks): New function.
10327         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10328         processed early before laying out sections during garbage collection.
10329         * gold.h (queue_middle_gc_tasks): New function.
10330         (is_prefix_of): Move from "layout.cc".
10331         * i386.cc (Target_i386::gc_process_relocs): New function.
10332         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10333         * main.cc (main): Create object of class "Garbage_collection".
10334         * object.cc (Relobj::copy_symbols_data): New function.
10335         (Relobj::is_section_name_included): New function.
10336         (Sized_relobj::do_layout): Allow this function to be called twice
10337         during garbage collection and defer layout of section during the
10338         first call.
10339         * object.h (Relobj::get_symbols_data): New function.
10340         (Relobj::is_section_name_included): New function.
10341         (Relobj::copy_symbols_data): New function.
10342         (Relobj::set_symbols_data): New function.
10343         (Relobj::get_relocs_data): New function.
10344         (Relobj::set_relocs_data): New function.
10345         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10346         (Relobj::gc_process_relocs): New function.
10347         (Relobj::do_gc_process_relocs): New pure virtual function.
10348         (Relobj::sd_): New data member.
10349         (Sized_relobj::is_output_section_offset_invalid): New function.
10350         (Sized_relobj::do_gc_process_relocs): New function.
10351         * options.h (General_options::gc_sections): Modify to not be a no-op.
10352         (General_options::print_gc_sections): New option.
10353         * plugin.cc (Plugin_finish::run): Remove function call to
10354         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10355         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10356         * reloc.cc (Read_relocs::run): Add task to process relocs and
10357         determine unreferenced sections when doing garbage collection.
10358         (Gc_process_relocs): New class.
10359         (Sized_relobj::do_gc_process_relocs): New function.
10360         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10361         sections that are garbage collected.
10362         * reloc.h (Gc_process_relocs): New class.
10363         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10364         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10365         symbols whose corresponding sections are garbage collected.
10366         (Symbol_table::Symbol_table): Add new parameter for the garbage
10367         collection object.
10368         (Symbol_table::gc_mark_undef_symbols): New function.
10369         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10370         (Symbol_table::gc_mark_dyn_syms): New function.
10371         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10372         as garbage.
10373         (Symbol_table::add_from_object): Likewise.
10374         (Symbol_table::add_from_relobj): When building shared objects, do not
10375         treat externally visible symbols as garbage.
10376         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10377         table information for static and relocatable links.
10378         * symtab.h (Symbol_table::set_gc): New function.
10379         (Symbol_table::gc): New function.
10380         (Symbol_table::gc_mark_undef_symbols): New function.
10381         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10382         (Symbol_table::gc_mark_dyn_syms): New function.
10383         (Symbol_table::gc_): New data member.
10384         * target.h (Sized_target::gc_process_relocs): New pure virtual
10385         function.
10386         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10387         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10388
10389 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10390
10391         * options.h (General_options::gc_sections): Define as a no-op for now.
10392         (General_options::no_keep_memory): Ditto.
10393         (General_options::Bshareable): Define.
10394         * options.cc (General_options::finalize): Honor -Bshareable.
10395
10396 2009-01-20  Andreas Schwab  <schwab@suse.de>
10397
10398         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10399         read the value in the contents, since we don't use it.  Use the
10400         template endianness when writing.
10401         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10402
10403 2009-01-19  Andreas Schwab  <schwab@suse.de>
10404
10405         * configure.tgt (powerpc64-*): Fix targ_obj.
10406
10407 2009-01-15  Ian Lance Taylor  <iant@google.com>
10408
10409         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10410         local symbols when stripping all symbols.
10411
10412 2009-01-14  Cary Coutant  <ccoutant@google.com>
10413
10414         * output.cc (Output_reloc): Add explicit instantiations.
10415
10416 2009-01-14  Cary Coutant  <ccoutant@google.com>
10417
10418         * archive.cc (Archive::get_elf_object_for_member): Remove call
10419         to File_read::claim_for_plugin.
10420         * descriptors.cc (Descriptors::open): Remove reference to
10421         is_claimed.
10422         (Descriptors::claim_for_plugin): Remove.
10423         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10424         (Descriptors::is_claimed): Remove.
10425         (claim_descriptor_for_plugin): Remove.
10426         * fileread.cc (File_read::claim_for_plugin): Remove.
10427         * fileread.h (File_read::claim_for_plugin): Remove.
10428         (File_read::descriptor): Reopen descriptor if necessary.
10429         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10430         (Plugin_manager::all_symbols_read): Add task parameter. Change
10431         all callers.
10432         (Plugin_manager::get_input_file): New function.
10433         (Plugin_manager::release_input_file): New function.
10434         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10435         corresponding data member.
10436         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10437         and pass to base constructor. Change all callers.
10438         (get_input_file, release_input_file): New functions.
10439         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10440         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10441         (Plugin_manager::all_symbols_read): Add task parameter.
10442         (Plugin_manager::get_input_file): New function.
10443         (Plugin_manager::release_input_file): New function.
10444         (Plugin_manager::task_): New data member.
10445         (Pluginobj::Pluginobj): Add filesize parameter.
10446         (Pluginobj::filename): New function.
10447         (Pluginobj::descriptor): New function.
10448         (Pluginobj::filesize): New function.
10449         (Pluginobj::filesize_): New data member.
10450         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10451         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10452         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10453
10454         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10455         with archive libraries.
10456         * testsuite/Makefile.in: Regenerate.
10457         * testsuite/plugin_test.c (struct sym_info): New type.
10458         (get_input_file, release_input_file): New static variables.
10459         (onload): Capture new transfer vector entries.
10460         (claim_file_hook): Stop reading at end of file according to filesize.
10461         Factor out parsing of readelf output into separate function.
10462         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10463         APIs and get the source file name from the symbol table.  Convert
10464         source file name to corresponding object file name.  Print info
10465         message when adding new input files.
10466         (parse_readelf_line): New function.
10467         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10468         * testsuite/plugin_test_2.sh: Likewise.
10469         * testsuite/plugin_test_3.sh: Likewise.
10470         * testsuite/plugin_test_4.sh: New test case.
10471
10472 2009-01-07  Ian Lance Taylor  <iant@google.com>
10473
10474         * version.cc (version_string): Bump to 1.8.
10475
10476 2008-12-23  Cary Coutant  <ccoutant@google.com>
10477
10478         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10479         * plugin.cc (Plugin_manager::finish): Rename as
10480         layout_deferred_objects.  Move cleanup to separate function.
10481         (Plugin_manager::cleanup): New function.
10482         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10483         separately.
10484         * plugin.h (Plugin_manager::finish): Rename as
10485         layout_deferred_objects.
10486         (Plugin_manager::cleanup): New function.
10487         (Plugin_manager::cleanup_done): New field.
10488
10489 2008-12-23  Cary Coutant  <ccoutant@google.com>
10490
10491         * plugin.cc (is_visible_from_outside): New function.
10492         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10493         so we don't return "IR only" status for exported symbols or -r links.
10494
10495         * testsuite/Makefile.am (plugin_test_3): New test case.
10496         * testsuite/Makefile.in: Regenerate.
10497         * testsuite/plugin_test_3.sh: New file.
10498
10499 2008-12-22  Cary Coutant  <ccoutant@google.com>
10500
10501         * object.cc (Sized_relobj::layout_section): New function.
10502         (Sized_relobj::do_layout): Defer layout of input sections until after
10503         plugin has provided replacement files.
10504         (Sized_relobj::do_layout_deferred_sections): New function.
10505         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10506         (Relobj::layout_deferred_sections): New function.
10507         (Relobj::do_layout_deferred_sections): New function.
10508         (Sized_relobj::do_layout_deferred_sections): New function.
10509         (Sized_relobj::layout_section): New function.
10510         (Sized_relobj::Deferred_layout): New structure.
10511         (Sized_relobj::deferred_layout_): New field.
10512         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10513         Change all callers.  Layout deferred sections.
10514         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10515         references.
10516         (Plugin_hook::run): Move code from do_plugin_hook inline.
10517         (Plugin_hook::do_plugin_hook): Remove.
10518         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10519         (Plugin_manager::finish): Renamed, was cleanup.
10520         (Plugin_manager::should_defer_layout): New function.
10521         (Plugin_manager::add_deferred_layout_object): New function.
10522         (Plugin_manager::Deferred_layout_list): New type.
10523         (Plugin_manager::deferred_layout_objects_): New field.
10524         (Plugin_hook::do_plugin_hook): Remove.
10525
10526 2008-12-17  Ian Lance Taylor  <iant@google.com>
10527
10528         * options.h (class General_options): Add --no case for
10529         --export-dynamic.
10530
10531 2008-12-16  Cary Coutant  <ccoutant@google.com>
10532
10533         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10534         vector.
10535         (Plugin_manager::claim_file): Create plugin object even if
10536         plugin did not call the add_symbols callback.
10537         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10538         asking for more symbols than were added.
10539         * testsuite/Makefile.am (plugin_test_1): Add test case with
10540         no global symbols.
10541         (empty.syms): New target.
10542         * testsuite/Makefile.in: Regenerate.
10543         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10544         message. Don't call add_symbols if no globals.
10545         (all_symbols_read_hook): Don't provide replacement for empty
10546         claimed file.
10547
10548 2008-12-12  Ian Lance Taylor  <iant@google.com>
10549
10550         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10551         r_type == 0 for a local symbol with r_sym == 0.
10552         (scan_relocatable_relocs): Pass r_sym to
10553         local_non_section_strategy.
10554         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10555         r_sym parameter.
10556
10557         * configure.ac: Update test for TLS descriptors: they are
10558         supported as of glibc 2.9.
10559         * configure: Rebuild.
10560
10561 2008-12-11  Ian Lance Taylor  <iant@google.com>
10562
10563         PR 7091
10564         * target-reloc.h (Default_scan_relocatable_relocs): For each
10565         function, map r_type == 0 to RELOC_DISCARD.
10566
10567 2008-12-10  Cary Coutant  <ccoutant@google.com>
10568
10569         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10570         object to override a kept COMDAT group from a plugin object.
10571
10572 2008-12-09  Ian Lance Taylor  <iant@google.com>
10573
10574         PR 7088
10575         * yyscript.y (file_cmd): Handle INPUT.
10576
10577         * testsuite/initpri1.c: Change all declarations to be full
10578         prototypes by adding void, to avoid compiler warnings.
10579
10580 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10581
10582         * options.cc (General_options::parse_plugin_opt): New.
10583         (General_options::add_plugin): The argument now is just the filename.
10584         (General_options::add_plugin_option): New.
10585         * options.h (plugin_opt): New.
10586         (add_plugin): Change argument name.
10587         (add_plugin_option): New.
10588         * plugin.cc (Plugin::load): Don't parse the plugin option.
10589         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10590         (Plugin::add_option): New.
10591         (Plugin::args_): Change type.
10592         (Plugin::filename_): New.
10593         (Plugin_manager::add_plugin_option): New.
10594         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10595         * testsuite/Makefile.in: Regenerate.
10596
10597 2008-12-05  Cary Coutant  <ccoutant@google.com>
10598
10599         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10600         Handle --strip-lto-sections option.
10601         * options.h (strip_lto_sections): New option.
10602
10603 2008-12-01  Cary Coutant  <ccoutant@google.com>
10604
10605         * plugin.cc (ld_plugin_message): Change format parameter to const.
10606         Fix mismatch between new[] and delete.
10607
10608 2008-11-14  Cary Coutant  <ccoutant@google.com>
10609
10610         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10611         instead of -1U.
10612
10613 2008-11-05  Craig Silverstein  <csilvers@google.com>
10614
10615         * options.cc (General_options::parse_dynamic_list): New function.
10616         * options.h (General_options): New flags dynamic_list,
10617         dynamic_list_data, dynamic_list_cpp_new, and
10618         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10619         (General_options::in_dynamic_list): New function.
10620         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10621         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10622         (Lex::can_continue_name): Likewise.
10623         (yylex): Likewise.
10624         (read_script_file): New parameter script_options.
10625         (read_dynamic_list): New function.
10626         (Script_options::define_dynamic_list): New function.
10627         (dynamic_list_keyword_parsecodes): New variable.
10628         (dynamic_list_keywords): New variable.
10629         * script.h (Script_options::define_dynamic_list): New function
10630         prototype.
10631         (read_dynamic_list): New function prototype.
10632         * symtab.cc (strprefix): New macro.
10633         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10634         dynamic_list_data, dynamic_list_cpp_new, and
10635         dynamic_list_cpp_typeinfo.
10636         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10637         (dynamic_list_expr): New rule.
10638         (dynamic_list_nodes): Likewise.
10639         (dynamic_list_node): Likewise.
10640         * testsuite/Makefile.am (dynamic_list): New test.
10641         * testsuite/Makefile.in: Regenerated.
10642         * testsuite/dynamic_list.t: New file.
10643         * testsuite/dynamic_list.sh: New file.
10644
10645 2008-11-05  Craig Silverstein  <csilvers@google.com>
10646
10647         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10648         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10649         (t11_last): Likewise.
10650         * testsuite/ver_test_6.c (main): Likewise.
10651
10652 2008-10-07  Cary Coutant  <ccoutant@google.com>
10653
10654         * options.c (General_options::finalize): Add check for -static and
10655         -shared.
10656         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10657         is not empty.
10658
10659 2008-10-02  Cary Coutant  <ccoutant@google.com>
10660
10661         * plugin.cc (make_sized_plugin_object): Fix conditional
10662         compilation to work when not all targets are enabled.
10663
10664 2008-09-29  Cary Coutant  <ccoutant@google.com>
10665
10666         * archive.cc (Archive::get_file_and_offset): Use filename instead
10667         of name to get library path.
10668         (Archive::include_member): Unlock external member of a thin archive.
10669
10670         * testsuite/Makefile.am (TEST_AR): New variable.
10671         (thin_archive_test_1): New test.
10672         (thin_archive_test_2): New test.
10673         * testsuite/Makefile.in: Regenerate.
10674         * testsuite/thin_archive_main.cc: New file.
10675         * testsuite/thin_archive_test_1.cc: New file.
10676         * testsuite/thin_archive_test_2.cc: New file.
10677         * testsuite/thin_archive_test_3.cc: New file.
10678         * testsuite/thin_archive_test_4.cc: New file.
10679
10680 2008-09-29  Cary Coutant  <ccoutant@google.com>
10681
10682         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10683         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10684         instead of -1U.
10685         (Sized_relobj::do_finalize_local_symbols): Likewise.
10686         (Sized_relobj::map_to_kept_section): Likewise.
10687         * object.h (Sized_relobj::invalid_address): New constant.
10688         (Sized_relobj::do_output_section_offset): Check for invalid_address
10689         and return -1ULL.
10690         * output.cc (Output_reloc::local_section_offset): Use constant
10691         invalid_address instead of -1U.
10692         (Output_reloc::get_address): Likewise.
10693         (Output_section::output_address): Change -1U to -1ULL.
10694         * output.h (Output_reloc::invalid_address): New constant.
10695         * reloc.cc (Sized_relobj::write_sections): Use constant
10696         invalid_address instead of -1U.
10697         (Sized_relobj::relocate_sections): Likewise.
10698         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10699         values for merge sections.
10700         * target-reloc.h (relocate_for_relocatable): Use constant
10701         invalid_address instead of -1U.
10702
10703 2008-09-19  Cary Coutant  <ccoutant@google.com>
10704
10705         Add plugin functionality for link-time optimization (LTO).
10706         * configure.ac (plugins): Add --enable-plugins option.
10707         * configure: Regenerate.
10708         * config.in: Regenerate.
10709         * Makefile.am (LIBDL): New variable.
10710         (CCFILES): Add plugin.cc.
10711         (HFILES): Add plugin.h.
10712         (ldadd_var): Add LIBDL.
10713         * Makefile.in: Regenerate.
10714
10715         * archive.cc: Include "plugin.h".
10716         (Archive::setup): Don't preread archive symbols when using a plugin.
10717         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10718         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10719         files.
10720         (Archive::include_member): Add symbols from plugin objects.
10721         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10722         * descriptors.cc (Descriptors::open): Check for file descriptors
10723         abandoned by plugins.
10724         (Descriptors::claim_for_plugin): New function.
10725         * descriptors.h (Descriptors::claim_for_plugin): New function.
10726         (Open_descriptor::is_claimed): New field.
10727         (claim_descriptor_for_plugin): New function.
10728         * fileread.cc (File_read::claim_for_plugin): New function.
10729         * fileread.h (File_read::claim_for_plugin): New function.
10730         (File_read::descriptor): New function.
10731         * gold.cc: Include "plugin.h".
10732         (queue_initial_tasks): Add task to call plugin hooks for generating
10733         new object files.
10734         * main.cc: Include "plugin.h".
10735         (main): Load plugin libraries.
10736         * object.h (Pluginobj): Declare.
10737         (Object::pluginobj): New function.
10738         (Object::do_pluginobj): New function.
10739         (Object::set_target): New function.
10740         * options.cc: Include "plugin.h".
10741         (General_options::parse_plugin): New function.
10742         (General_options::General_options): Initialize plugins_ field.
10743         (General_options::add_plugin): New function.
10744         * options.h (Plugin_manager): Declare.
10745         (General_options): Add --plugin option.
10746         (General_options::has_plugins): New function.
10747         (General_options::plugins): New function.
10748         (General_options::add_plugin): New function.
10749         (General_options::plugins_): New field.
10750         * plugin.cc: New file.
10751         * plugin.h: New file.
10752         * readsyms.cc: Include "plugin.h".
10753         (Read_symbols::do_read_symbols): Check for archive before checking
10754         for ELF file.  Call plugin hooks to claim files.
10755         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10756         from a real object file; force override when processing replacement
10757         files.
10758         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10759         (Symbol::init_base_object): Likewise.
10760         (Symbol::init_base_output_data): Likewise.
10761         (Symbol::init_base_output_segment): Likewise.
10762         (Symbol::init_base_constant): Likewise.
10763         (Symbol::init_base_undefined): Likewise.
10764         (Symbol::output_section): Assert that object is not a plugin.
10765         (Symbol_table::add_from_pluginobj): New function.
10766         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10767         undefined.
10768         (Symbol_table::sized_write_globals): Likewise.
10769         (Symbol_table::add_from_pluginobj): Instantiate template.
10770         * symtab.h (Sized_pluginobj): Declare.
10771         (Symbol::in_real_elf): New function.
10772         (Symbol::set_in_real_elf): New function.
10773         (Symbol::in_real_elf_): New field.
10774         (Symbol_table::add_from_pluginobj): New function.
10775
10776         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10777         (LIBDL): New variable.
10778         (LDADD): Add LIBDL.
10779         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10780         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10781         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10782         (MOSTLYCLEANFILES): Likewise.
10783         * testsuite/Makefile.in: Regenerate.
10784         * testsuite/plugin_test.c: New file.
10785         * testsuite/plugin_test_1.sh: New file.
10786         * testsuite/plugin_test_2.sh: New file.
10787
10788 2008-09-16  Ian Lance Taylor  <iant@google.com>
10789
10790         * target-reloc.h (relocate_section): Check whether a symbol is
10791         defined by the ABI before reporting an undefined symbol error.
10792         * target.h (Target::is_defined_by_abi): Make parameter const.
10793         (Target::do_is_defined_by_abi): Likewise.
10794         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10795         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10796         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10797         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10798         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10799         * testsuite/Makefile.in: Rebuild.
10800
10801         * fileread.cc (make_view): Add casts to avoid warning.
10802
10803 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10804
10805         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10806         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10807
10808 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10809
10810         * options.h (General_options::output_is_executable): New.
10811         (General_options::output_is_pie): New.
10812         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10813         for shared libraries.
10814         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10815
10816 2008-09-11  Chris Demetriou  <cgd@google.com>
10817
10818         * options.h (origin): New -z option.
10819         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10820         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10821         in DT_FLAGS_1.
10822
10823 2008-09-05  Cary Coutant  <ccoutant@google.com>
10824
10825         * fileread.cc (File_read::make_view): Add check for attempt to map
10826         beyond end of file.
10827
10828 2008-09-05  Cary Coutant  <ccoutant@google.com>
10829
10830         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10831         explicit instantiations.
10832
10833 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10834
10835         PR gold/6858
10836         * options.cc (General_options::finalize): Allow undefined symbols
10837         in shlibs if linking -shared.
10838
10839         PR gold/6859
10840         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10841         symbols as not needing a dynsym entry.
10842
10843 2008-08-20  Craig Silverstein  <csilvers@google.com>
10844
10845         * fileread.cc (File_read::open): Do not lock the file unless it
10846         was successfully opened.
10847
10848 2008-08-14  Cary Coutant  <ccoutant@google.com>
10849
10850         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10851         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10852         * testsuite/tls_test.cc (struct int128): 128-bit struct
10853         for testing TLS relocs with non-zero addend.
10854         (v12): New TLS variable.
10855         (t12): New test.
10856         (t_last): Add check for v12.
10857         * testsuite/tls_test.h (t12): New function.
10858         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10859
10860 2008-08-13  Ian Lance Taylor  <iant@google.com>
10861
10862         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10863         set tls_segment_ or relro_segment_.
10864         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10865         when appropriate.
10866         * output.h (Output_section::clear_is_relro): New function.
10867         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10868         sections specially even when output_data_ is empty.
10869         (Output_segment::maximum_alignment): When first section is relro,
10870         only force alignment for PT_LOAD segments.
10871         * script.cc (script_data_segment_align): New function.
10872         (script_data_segment_relro_end): New function.
10873         * script-c.h (script_data_segment_align): Declare.
10874         (script_data_segment_relro_end): Declare.
10875         * script-sections.h (class Script_sections): Declare
10876         data_segment_align and data_segment_relro_end.  Add fields
10877         segment_align_index_ and saw_relro_end_.
10878         * script-sections.cc (class Sections_element): Add set_is_relro
10879         virtual function.  Add new bool* parameter to place_orphan_here.
10880         Add get_output_section virtual function.
10881         (class Output_section_definition): Add set_is_relro.  Add new
10882         bool* parameter to place_orphan_here.  Add get_output_section.
10883         Add is_relro_ field.
10884         (Output_section_definition::Output_section_definition): Initialize
10885         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10886         and is_relro_ fields.
10887         (Output_section_definition::place_orphan_here): Add is_relro
10888         parameter.
10889         (Output_section_definition::set_section_addresses): Set relro for
10890         output section.
10891         (Output_section_definition::alternate_constraint): Likewise.
10892         (class Orphan_output_section): Add new bool* parameter to
10893         place_orphan_here.  Add get_output_section.
10894         (Orphan_output_section::place_orphan_here): Add is_relro
10895         parameter.
10896         (Script_sections::Script_sections): Initialize
10897         data_segment_align_index_ and saw_relro_end_.
10898         (Script_sections::data_segment_align): New function.
10899         (Script_sections::data_segment_relro_end): New function.
10900         (Script_sections::place_orphan): Set or clear is_relro.
10901         (Script_sections::set_section_addresses): Force alignment of first
10902         TLS section.
10903         * yyscript.y (exp): Call script_data_segment_align and
10904         script_data_segment_relro_end.
10905         * testsuite/relro_script_test.t: New file.
10906         * testsuite/relro_test.cc (using_script): Declare.
10907         (t1, t2): Test using_script.
10908         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10909         (relro_script_test_SOURCES): Define.
10910         (relro_script_test_DEPENDENCIES): Define.
10911         (relro_script_test_LDFLAGS): Define.
10912         (relro_script_test_LDADD): Define.
10913         (relro_script_test.so): New target.
10914         * testsuite/Makefile.in: Rebuild.
10915
10916 2008-08-06  Cary Coutant <ccoutant@google.com>
10917
10918         * archive.cc (Archive::total_archives, Archive::total_members)
10919         (Archive::total_members_loaded): New variables.
10920         (Archive::setup): Add parameter.  Add option to preread
10921         archive symbols.
10922         (Archive::read_armap): Add counter.
10923         (Archive::get_file_and_offset): New function.
10924         (Archive::get_elf_object_for_member): New function.
10925         (Archive::read_all_symbols): New function.
10926         (Archive::read_symbols): New function.
10927         (Archive::add_symbols): Add counters.
10928         (Archive::include_all_members): Use armap to find members if it's
10929         already built.
10930         (Archive::include_member): Skip reading symbols if already read.
10931         Factored code into Archive::get_file_and_offset and
10932         Archive::get_elf_object_for_member.  Changed call to
10933         Mapfile::report_include_archive_member.
10934         (Archive::print_stats): New function.
10935         * archive.h: Declare Object and Read_symbols_data classes.
10936         (Archive::Archive): Add initializers for new members.
10937         (Archive::setup): Add parameter.
10938         (Archive::print_stats): New function.
10939         (Archive::total_archives, Archive::total_members)
10940         (Archive::total_members_loaded): New variables.
10941         (Archive::get_file_and_offset): New function.
10942         (Archive::get_elf_object_for_member): New function.
10943         (Archive::read_all_symbols): New function.
10944         (Archive::read_symbols): New function.
10945         (Archive::Archive_member): New class.
10946         (Archive::members_): New member.
10947         (Archive::num_members_): New member.
10948         * main.cc: Include archive.h.
10949         (main): Call Archive::print_stats.
10950         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10951         archive parameter; member_name is now the fully-decorated name.
10952         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10953         * options.h: (General_options): Add --preread-archive-symbols option.
10954         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10955         Archive::setup.
10956
10957 2008-08-04  Ian Lance Taylor  <iant@google.com>
10958
10959         * symtab.h (Symbol::use_plt_offset): New function.
10960         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10961         * powerpc.cc (Relocate::relocate): Likewise.
10962         * sparc.cc (Relocate::relocate): Likewise.
10963         * x86_64.cc (Relocate::relocate): Likewise.
10964         * testsuite/weak_plt.sh: New test.
10965         * testsuite/weak_plt_main.cc: New test.
10966         * testsuite/weak_plt_shared.cc: New test.
10967         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10968         (check_PROGRAMS): Add weak_plt.
10969         (check_DATA): Add weak_plt_shared.so.
10970         (weak_plt_main_pic.o, weak_plt): New targets.
10971         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10972         * testsuite/Makefile.in: Rebuild.
10973
10974         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10975         gcctestdir/ld.
10976         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10977         * testsuite/Makefile.in: Rebuild.
10978
10979 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10980
10981         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10982         * Makefile.in: Regenerate.
10983         * po/POTFILES.in: Regenerate.
10984
10985 2008-07-29  Ian Lance Taylor  <iant@google.com>
10986
10987         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10988         symbols before other symbols.
10989         * testsuite/script_test_2.cc (test_addr): Declare.
10990         (test_addr_alias): Declare.
10991         (main): Check that test_addr and test_addr_alias have the right
10992         values.
10993         * testsuite/script_test_2.t: Define test_addr_alias and
10994         test_addr.
10995
10996 2008-07-24  Ian Lance Taylor  <iant@google.com>
10997
10998         PR 5990
10999         * descriptors.cc: New file.
11000         * descriptors.h: New file.
11001         * gold-threads.h (class Hold_optional_lock): New class.
11002         * fileread.cc: Include "descriptors.h".
11003         (File_read::~File_read): Release descriptor rather than closing
11004         it.
11005         (File_read::open) [file]: Call open_descriptor rather than open.
11006         Set is_descriptor_opened_.
11007         (File_read::open) [memory]: Assert that descriptor is not open.
11008         (File_read::reopen_descriptor): New function.
11009         (File_read::release): Release descriptor.
11010         (File_read::do_read): Make non-const.  Reopen descriptor.
11011         (File_read::read): Make non-const.
11012         (File_read::make_view): Reopen descriptor.
11013         (File_read::do_readv): Likewise.
11014         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11015         Update declarations.
11016         * layout.cc: Include "descriptors.h".
11017         (Layout::create_build_id): Use open_descriptor rather than open.
11018         * output.cc: Include "descriptors.h".
11019         (Output_file::open): Use open_descriptor rather than open.
11020         * archive.cc (Archive::const_iterator): Change Archive to be
11021         non-const.
11022         (Archive::begin, Archive::end): Make non-const.
11023         (Archive::count_members): Likewise.
11024         * archive.h (class Archive): Update declarations.
11025         * object.h (Object::read): Make non-const.
11026         * Makefile.am (CCFILES): Add descriptors.cc.
11027         (HFILES): Add descriptors.h.
11028         * Makefile.in: Rebuild.
11029
11030         PR 6716
11031         * gold.h: Always include <clocale>.  Add Solaris workarounds
11032         following code in binutils/sysdep.h.
11033
11034         PR 6048
11035         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11036         this->eh_frame_hdr_ is NULL before using it.
11037
11038         * dynobj.cc (Versions::Versions): Update comment.
11039
11040         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11041         the base version name.
11042
11043         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11044         array size plus one.
11045         (Stringpool_template::set_string_offsets): Subtract one from key
11046         before using it as an array index.
11047         (Stringpool_template::get_offset_with_length): Likewise.
11048         (Stringpool_template::write_to_buffer): Likewise.
11049         * stringpool.h (Stringpool_template::get_offset_from_key):
11050         Likewise.
11051
11052 2008-07-23  Ian Lance Taylor  <iant@google.com>
11053
11054         PR 6658
11055         * object.h (Merged_symbol_value::value): Do our best to handle a
11056         negative addend.
11057
11058         PR 6647
11059         * script.cc (Version_script_info::get_versions): Don't add empty
11060         version tag to return value.
11061         (Version_script_info::get_symbol_version_helper): Change return
11062         type to bool.  Add pversion parameter.  Change all callers.
11063         (script_register_vers_node): Don't require a non-NULL tag.
11064         * script.h (class Version_script_info): Update declarations.
11065         (Version_script_info::get_symbol_version): Change return type to
11066         bool.  Add version parameter.  Change all callers.
11067         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11068         handling.  Handle an empty version from a version script.
11069         (Symbol_table::define_special_symbol): Likewise.
11070         * testsuite/ver_test_10.script: New file.
11071         * testsuite/ver_test_10.sh: New file.
11072         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11073         (check_DATA): Add ver_test_10.syms.
11074         (ver_test_10.syms, ver_test_10.so): New target.
11075         * testsuite/Makefile.in: Rebuild.
11076
11077 2008-07-23  Simon Baldwin  <simonb@google.com>
11078
11079         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11080         to zero for undefined symbols from dynamic libraries.
11081
11082 2008-07-23  Ian Lance Taylor  <iant@google.com>
11083
11084         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11085         Change all callers.
11086         * symtab.h (class Symbol_table): Update declaration.
11087         * testsuite/ver_test_9.cc: New file.
11088         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11089         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11090         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11091         (ver_test_9.so, ver_test_9.o): New targets.
11092         * testsuite/Makefile.in: Rebuild.
11093
11094 2008-07-22  Ian Lance Taylor  <iant@google.com>
11095
11096         * options.h (class General_options): Define --check-sections.
11097         * layout.cc (Layout::set_segment_offsets): Handle
11098         --check-sections.
11099
11100         * options.h (class General_options): Define -n/--nmagic and
11101         -N/--omagic.
11102         * options.cc (General_options::finalize): For -n/--nmagic or
11103         -N/--omagic, set -static.
11104         * layout.cc (Layout::attach_allocated_section_to_segment): If
11105         -N/--omagic, don't put read-only and read-write sections in
11106         different segments.
11107         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11108         finding a read-only segment.
11109         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11110         don't set the minimum segment alignment to the common page size,
11111         and don't set the file offset to the address modulo the page size.
11112         * script-sections.cc (Script_sections::create_segments): If
11113         -n/--omagic, don't put read-only and read-write sections in
11114         different segments.
11115
11116         * cref.cc: New file.
11117         * cref.h: New file.
11118         * options.h (class General_options): Add --print-symbol-counts.
11119         * main.cc (main): Issue defined symbol report if requested.
11120         * archive.cc (Archive::interpret_header): Make into a const member
11121         function.
11122         (Archive::add_symbols): Call Input_objects::archive_start and
11123         archive_stop.
11124         (Archive::const_iterator): Define new class.
11125         (Archive::begin, Archive::end): New functions.
11126         (Archive::include_all_members): Rewrite to use iterator.
11127         (Archive::count_members): New function.
11128         * archive.h (class Archive): Update declarations.
11129         (Archive::filename): New function.
11130         * object.cc: Include "cref.h".
11131         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11132         (Sized_relobj::do_get_global_symbol_counts): New function.
11133         (Input_objects::add_object): Add object to cross-referencer.
11134         (Input_objects::archive_start): New function.
11135         (Input_objects::archive_stop): New function.
11136         (Input_objects::print_symbol_counts): New function.
11137         * object.h: Declare Cref and Archive.
11138         (Object::get_global_symbol_counts): New function.
11139         (Object::do_get_global_symbol_counts): New pure virtual function.
11140         (class Sized_relobj): Add defined_count_ field.  Update
11141         declarations.
11142         (class Input_objects): Add cref_ field.  Update constructor.
11143         Update declarations.
11144         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11145         defined_count_.
11146         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11147         symbol counts.
11148         (Sized_dynobj::do_get_global_symbol_counts): New function.
11149         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11150         defined_count_.  Update declarations.  Define Symbols typedef.
11151         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11152         parameter.  Change all callers.
11153         (Symbol_table::add_from_dynobj): Add sympointers and defined
11154         parameters.  Change all callers.
11155         * symtab.h (class Symbol_table): Update declarations.
11156         * Makefile.am (CCFILES): Add cref.cc.
11157         (HFILES): Add cref.h.
11158         * Makefile.in: Rebuild.
11159
11160 2008-07-22  Simon Baldwin  <simonb@google.com>
11161
11162         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11163         to zero when writing undefined symbols.
11164
11165 2008-07-22  Ian Lance Taylor  <iant@google.com>
11166
11167         * output.cc (Output_section::add_input_section): Don't try to
11168         merge empty merge sections.
11169
11170 2008-07-21  Craig Silverstein  <csilvers@google.com>
11171
11172         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11173         Include symbol version in error message.
11174
11175 2008-07-20  Chris Demetriou  <cgd@google.com>
11176
11177         * configure.ac (gold_cv_c_random_seed): New configured variable.
11178         (RANDOM_SEED_CFLAGS): New substituted variable.
11179         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11180         * configure: Rebuild.
11181         * Makefile.in: Likewise.
11182         * testsuite/Makefile.in: Likewise.
11183
11184 2008-07-18  Ian Lance Taylor  <iant@google.com>
11185
11186         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11187         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11188         * testsuite/ver_test_main.cc (main): Call t4.
11189         (t4, t4_2a): Define.
11190         * testsuite/ver_test_2.cc (t4_2): Define.
11191         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11192         * testsuite/ver_test_4.cc (t4_2a): Define.
11193         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11194         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11195
11196 2008-07-17  Ian Lance Taylor  <iant@google.com>
11197
11198         * dynobj.cc (Versions::add_def): If we give an error about a
11199         missing version, go ahead and create the version anyhow.
11200
11201 2008-07-10  Ian Lance Taylor  <iant@google.com>
11202
11203         Handle output sections with more than 0x7fffffff bytes.
11204         * object.h (class Relobj): Change map_to_output_ to
11205         output_sections_, and just keep a section pointer.  Change all
11206         uses.  Move comdat group support to Sized_relobj.
11207         (Relobj::is_section_specially_mapped): Remove.
11208         (Relobj::output_section): Remove poff parameter.  Change all
11209         callers.
11210         (Relobj::output_section_offset): New function.
11211         (Relobj::set_section_offset): Rewrite.
11212         (Relobj::map_to_output): Remove.
11213         (Relobj::output_sections): New function.
11214         (Relobj::do_output_section_offset): New pure virtual function.
11215         (Relobj::do_set_section_offset): Likewise.
11216         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11217         group support from Relobj.  Update declarations.
11218         (Sized_relobj::get_output_section_offset): New function.
11219         (Sized_relobj::do_output_section_offset): New function.
11220         (Sized_relobj::do_set_section_offset): New function.
11221         * object.cc (Relobj::output_section_address): Remove.
11222         (Sized_relobj::Sized_relobj): Initialize new fields.
11223         (Sized_relobj::include_section_group): Cast find_kept_object to
11224         Sized_relobj.
11225         (Sized_relobj::include_linkonce_section): Likewise.
11226         (Sized_relobj::do_layout): Use separate arrays for output section
11227         and output offset.
11228         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11229         output_sections.
11230         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11231         output_sections and section_offsets.
11232         (Sized_relobj::write_local_symbols): Likewise.
11233         (map_to_kept_section): Compute output address directly.
11234         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11235         output_sections and section_offsets.
11236         (Sized_relobj::write_sections): Likewise.
11237         (Sized_relobj::relocate_sections): Likewise.
11238         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11239         * output.h (class Output_reloc): Update declarations.  Change
11240         u2_.relobj to Sized_relobj*.
11241         (class Output_data_reloc): Change add functions to use
11242         Sized_relobj*.
11243         * output.cc (Output_reloc::Output_reloc): Change relobj to
11244         Sized_relobj*.
11245         (Output_reloc::local_section_offset): Change return type to
11246         Elf_Addr.  Use get_output_section_offset.
11247         (Output_reloc::get_address): Likewise.
11248         (Output_section::is_input_address_mapped): Don't call
11249         is_section_specially_mapped.
11250         (Output_section::output_offset): Likewise.
11251         (Output_section::output_address): Likewise.
11252         (Output_section::starting_output_address): Likewise.
11253         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11254         parameter to Sized_relobj*.
11255         (Copy_relocs::need_copy_reloc): Likewise.
11256         (Copy_relocs::save): Likewise.
11257         * copy-relocs.h (class Copy_relocs): Update declarations.
11258         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11259         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11260         * target-reloc.h (relocate_for_relocatable): Change
11261         offset_in_output_section type to Elf_Addr.  Change code that uses
11262         it as well.
11263         * layout.cc (Layout::layout): Always set *off.
11264         * mapfile.cc (Mapfile::print_input_section): Use
11265         output_section_offset.
11266         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11267         Sized_relobj*.
11268         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11269         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11270         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11271
11272 2008-07-03  Ian Lance Taylor  <iant@google.com>
11273
11274         * layout.cc (Layout::include_section): Do not discard unrecognized
11275         SHT_STRTAB sections.
11276
11277 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11278
11279         * script.cc (Lex::can_continue_name): Make '?' allowable in
11280         version-script names.
11281         * testsuite/version_script.map: Change glob pattern to use '?'
11282
11283 2008-06-30  Manish Singh  <yosh@gimp.org>
11284
11285         PR 6585
11286         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11287         Correct typo.
11288
11289 2008-06-30  Ian Lance Taylor  <iant@google.com>
11290
11291         PR 6660
11292         PR 6682
11293         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11294         versions]: Don't try to read the value in the contents, since we
11295         don't use it.  Use the template endianness when writing.
11296
11297 2008-06-25  Cary Coutant  <ccoutant@google.com>
11298
11299         * fileread.cc (File_read::make_view): Assert on zero-length view.
11300         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11301         symbol table when there are no symbols to read.
11302
11303 2008-06-23  Craig Silverstein  <csilvers@google.com>
11304
11305         * version.cc (version_string): Bump to 1.7
11306
11307 2008-06-18  Craig Silverstein  <csilvers@google.com>
11308
11309         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11310         constant 0xFFFF to type Valtype.
11311         (Powerpc_relocate_functions::rel16_ha): Likewise.
11312
11313 2008-06-17  Ian Lance Taylor  <iant@google.com>
11314
11315         * output.h (Output_section::Input_section): Initialize p2align_ to
11316         zero for Output_section_data constructors.
11317         (Output_section::Input_section::addralign): If not an input
11318         section, return the alignment of the Output_section_data.
11319         * testsuite/copy_test.cc: New file.
11320         * testsuite/copy_test_1.cc: New file.
11321         * testsuite/copy_test_2.cc: New file.
11322         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11323         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11324         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11325         (copy_test_1_pic.o, copy_test_1.so): New targets.
11326         (copy_test_2_pic.o, copy_test_2.so): New targets.
11327         * testsuite/Makefile.in: Rebuild.
11328
11329         * script-sections.cc (Script_sections::place_orphan): Initialize
11330         local variable exact.
11331
11332 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11333
11334         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11335
11336 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11337             David S. Miller  <davem@davemloft.net>
11338
11339         * powerpc.cc: New file.
11340         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11341         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11342         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11343         * Makefile.in: Rebuild.
11344
11345 2008-06-09  Ian Lance Taylor  <iant@google.com>
11346
11347         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11348         <exception>.
11349         (throwing, orig_terminate): New static variables.
11350         (terminate_handler): New static function.
11351         (t2): Set terminate handler.
11352
11353 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11354
11355         PR 6584
11356         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11357         alignment.
11358
11359 2008-05-30  Cary Coutant  <ccoutant@google.com>
11360
11361         * archive.cc (Archive::include_all_members) Correct to step
11362         over symbol table and extended name table in thin archives.
11363
11364 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11365
11366         PR 6407
11367         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11368         calculation.
11369
11370 2008-05-28  Caleb Howe  <cshowe@google.com>
11371
11372         * reduced_debug_output.cc: New file.
11373         * reduced_debug_output.h: New file.
11374         * options.h (class General_options): Add --strip-debug-non-line.
11375         * options.cc (General_options::finalize): Add strip_debug_non_line
11376         to the strip heirarchy.
11377         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11378         fields.
11379         * layout.cc: Include "reduced_debug_output.h".
11380         (Layout::Layout): Initialize new fields.
11381         (line_only_debug_sections): New static array.
11382         (is_lines_only_debug_sections): New static inline function.
11383         (Layout::include_section): Handle --strip-debug-non-line.
11384         (Layout::make_output_section): If --strip-debug-non-line, build
11385         new output sections for .debug_abbrev and .debug_info.
11386         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11387         gold.  Warn about possible overflow.
11388         (read_signed_LEB_128): Likewise.
11389         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11390         (read_signed_LEB_128): Declare.
11391         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11392         (HFILES): Add reduced_debug_output.h.
11393         * Makefile.in: Rebuild.
11394
11395 2008-05-21  Ian Lance Taylor  <iant@google.com>
11396
11397         * mapfile.cc: New file.
11398         * mapfile.h: New file.
11399         * options.h (class General_options): Add -M/--print-map and -Map.
11400         * options.cc (General_options::finalize): Make -M equivalent to
11401         -Map -.
11402         * main.cc: Include <cstdio> and "mapfile.h".
11403         (main): Open mapfile if requested.
11404         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11405         constructor.  Change caller.
11406         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11407         (queue_middle_tasks): Likewise.
11408         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11409         declarations.
11410         * archive.cc: Include "mapfile.h".
11411         (Archive::add_symbols): Add mapfile parameter.  Change all
11412         callers.  Pass mapfile, symbol, and reason to include_member.
11413         (Archive::include_all_members): Add mapfile parameter.  Change all
11414         callers.
11415         (Archive::include_member): Add mapfile, sym, and why parameters.
11416         Change all callers.  Report inclusion to map file.
11417         * archive.h: Include "fileread.h".
11418         (class Archive): Update declarations.
11419         (Archive::file): New const method.
11420         (class Add_archive_symbols): Add mapfile_ field.  Update
11421         constructor.  Change all callers.
11422         * readsyms.h (class Read_symbols): Likewise.
11423         (class Finish_group): Likewise.
11424         (class Read_script): Likewise.
11425         * common.cc: Include "mapfile.h".
11426         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11427         all callers.
11428         (Symbol_table::do_allocate_commons): Likewise.
11429         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11430         symbol allocation to mapfile.
11431         * common.h (class Allocate_commons_task): Add mapfile_ field.
11432         Update constructor.  Change all callers.
11433         * symtab.h (class Symbol_table): Update declarations.
11434         * layout.cc: Include "mapfile.h".
11435         (Layout_task_runner::run): Print information to mapfile.
11436         (Layout::create_gold_note): Change Output_data_fixed_space to
11437         Output_data_zero_fill.
11438         (Layout::create_build_id): Likewise.
11439         (Layout::print_to_mapfile): New function.
11440         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11441         constructor.  Change caller.
11442         (class Layout): Declare print_to_mapfile.
11443         * output.cc (Output_section::Input_section::print_to_mapfile): New
11444         function.
11445         (Output_section::add_input_section): If producing a map, always
11446         add to input_sections_ list.
11447         (Output_section::do_print_to_mapfile): New function.
11448         (Output_segment::print_sections_to_mapfile): New function.
11449         (Output_segment::print_section_list_to_mapfile): New function.
11450         * output.h: Include "mapfile.h".
11451         (Output_data::print_to_mapfile): New function.
11452         (Output_data::do_print_to_mapfile): New virtual function.
11453         (Output_segment_headers::do_print_to_mapfile): New function.
11454         (Output_file_header::do_print_to_mapfile): New function.
11455         (Output_data_const::do_print_to_mapfile): New function.
11456         (class Output_data_const_buffer): Add map_name_ field.  Update
11457         constructor.  Change all callers.  Add do_print_to_mapfile
11458         function.
11459         (class Output_data_fixed_space): Likewise.
11460         (class Output_data_space): Likewise.
11461         (class Output_data_zero_fill): New class.
11462         (Output_data_strtab::do_print_to_mapfile): New function.
11463         (Output_data_reloc_base::do_print_to_mapfile): New function.
11464         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11465         (Output_data_group::do_print_to_mapfile): New function.
11466         (Output_data_got::do_print_to_mapfile): New function.
11467         (Output_data_dynamic::do_print_to_mapfile): New function.
11468         (Output_symtab_xindex::do_print_to_mapfile): New function.
11469         (class Output_section): Declare do_print_to_mapflie.  Declare
11470         print_to_mapfile in Input_section.
11471         (class Output_segment): Declare new functions.
11472         * object.h (Sized_relobj::symbol_count): New function.
11473         * script-sections.cc
11474         (Output_section_element_dot_assignment::set_section_addresses):
11475         Change Output_data_fixed_space to Output_data_zero_fill.
11476         (Output_data_expression::do_print_to_mapfile): New function.
11477         * script.cc (read_input_script): Add mapfile parameter.  Change
11478         all callers.
11479         * script.h (read_input_script): Update declaration.
11480         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11481         (Eh_frame::do_print_to_mapfile): New function.
11482         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11483         (Output_merge_string::do_print_to_mapfile): New function.
11484         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11485         function.
11486         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11487         function.
11488         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11489         function.
11490         * Makefile.am (CCFILES): Add mapfile.cc.
11491         (HFILES): Add mapfile.h.
11492         * Makefile.in: Rebuild.
11493
11494 2008-05-19  Ian Lance Taylor  <iant@google.com>
11495
11496         * options.h (class General_options): Add -z relro.
11497         * layout.cc (Layout::Layout): Initialize relro_segment_.
11498         (Layout::add_output_section_data): Return the output section.
11499         (Layout::make_output_section): Rcognize relro sections and mark
11500         them appropriately.
11501         (Layout::attach_allocated_section_to_segment): Put relro sections
11502         in a PT_GNU_RELRO segment.
11503         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11504         section as relro.
11505         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11506         PT_TLS segments.
11507         (Layout::linkonce_mapping): Map d.rel.ro.local to
11508         .data.rel.ro.local.
11509         (Layout::output_section_name): Us .data.rel.ro.local for any
11510         section which begins with that.
11511         * layout.h (class Layout): Update add_output_section_data
11512         declaration.  Add relro_segment_ field.
11513         * output.cc (Output_section::Output_section): Initialize is_relro_
11514         and is_relro_local_ fields.
11515         (Output_segment::add_output_section): Group relro sections.
11516         (Output_segment::is_first_section_relro): New function.
11517         (Output_segment::maximum_alignment): If there is a relro section,
11518         align the segment to the common page size.
11519         (Output_segment::set_section_addresses): Track whether we are
11520         looking at relro sections.  If the last section is a relro
11521         section, align to the common page size.
11522         (Output_segment::set_section_list_addresses): Add in_relro
11523         parameter.  Change all callers.  Align to the page size when
11524         moving from relro to non-relro section.
11525         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11526         segment.
11527         * output.h (class Output_section): Add is_relro_ and
11528         is_relro_local_ fields.
11529         (Output_section::is_relro): New function.
11530         (Output_section::set_is_relro): New function.
11531         (Output_section::is_relro_local): New function.
11532         (Output_section::set_is_relro_local): New function.
11533         (class Output_segment): Update declarations.
11534         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11535         * sparc.cc (Target_sparc::got_section): Likewise.
11536         * x86_64.cc (Target_x86_64::got_section): Likewise.
11537         * testsuite/relro_test_main.cc: New file.
11538         * testsuite/relro_test.cc: New file.
11539         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11540         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11541         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11542         (relro_test.so, relro_test_pic.o): New targets.
11543         * testsuite/Makefile.in: Rebuild.
11544
11545 2008-05-16  Ian Lance Taylor  <iant@google.com>
11546
11547         * output.cc (Output_segment::add_output_section): Remove front
11548         parameter.
11549         * output.h (class Output_segment): Remove
11550         add_initial_output_section and overloaded add_output_section.
11551         Update declaration of remaining add_output_section.
11552         * layout.cc (Layout::create_interp): Call add_output_section
11553         rather than add_initial_output_section.
11554         (Layout::finish_dynamic_section): Likewise.
11555
11556         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11557         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11558         know the dynamic type.
11559         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11560         field.  Initialize it in constructor.
11561         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11562         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11563         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11564         reloc.
11565
11566         * output.cc (Output_reloc::get_address): Change return type to
11567         Elf_Addr.
11568         * output.h (class Output_reloc): Update get_address declaration.
11569         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11570         for section addresses.
11571
11572 2008-05-09  Ian Lance Taylor  <iant@google.com>
11573
11574         PR 6493
11575         * gold.cc (gold_nomem): Use return value of write.
11576
11577 2008-05-08  Ian Lance Taylor  <iant@google.com>
11578
11579         * symtab.c (Symbol::init_base_output_data): Add version
11580         parameter.  Change all callers.
11581         (Symbol::init_base_output_segment): Likewise.
11582         (Symbol::init_base_constant): Likewise.
11583         (Symbol::init_base_undefined): Likewise.
11584         (Sized_symbol::init_output_data): Likewise.
11585         (Sized_symbol::init_output_segment): Likewise.
11586         (Sized_symbol::init_constant): Likewise.
11587         (Sized_symbol::init_undefined): Likewise.
11588         (Symbol_table::do_define_in_output_data): If the new symbol has a
11589         version, mark it as the default.
11590         (Symbol_table::do_define_in_output_segment): Likewise.
11591         (Symbol_table::do_define_as_constant): Likewise.
11592         * symtab.h (class Symbol): Update declarations.
11593         (class Sized_symbol): Likewise.
11594         * resolve.cc (Symbol::override_version): New function.
11595         (Symbol::override_base): Call override_version.
11596         (Symbol::override_base_with_special): Likewise.
11597         * testsuite/ver_script_8.script: New file.
11598         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11599         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11600         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11601         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11602
11603 2008-05-06  Ian Lance Taylor  <iant@google.com>
11604
11605         PR 6049
11606         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11607         functions.
11608         (class General_options): Remove existing --undefined, and add
11609         --no-undefined instead.  Add new --undefined as synonym for -u.
11610         * archive.cc (Archive::add_symbols): Check whether symbol was
11611         named with -u.
11612         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11613         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11614         all uses.  Add IS_UNDEFINED.  Update declarations to split
11615         different versions of init_base.  Declare init_base_undefined.
11616         (Symbol::is_defined): Handle IS_UNDEFINED.
11617         (Symbol::is_undefined): Likewise.
11618         (Symbol::is_weak_undefined): Call is_undefined.
11619         (Symbol::is_absolute): Handle IS_CONSTANT.
11620         (class Sized_symbol): Update declarations to split different
11621         versions of init.  Declare init_undefined.
11622         (class Symbol_table): Declare new functions.
11623         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11624         Change all callers.
11625         (Symbol::init_base_output_data): Likewise.
11626         (Symbol::init_base_output_segment): Likewise.
11627         (Symbol::init_base_constant): Likewise.
11628         (Symbol::init_base_undefined): New function.
11629         (Sized_symbol::init_object): Rename from init.  Change all
11630         callers.
11631         (Sized_symbol::init_output_data): Likewise.
11632         (Sized_symbol::init_output_segment): Likewise.
11633         (Sized_symbol::init_constant): Likewise.
11634         (Sized_symbol::init_undefined): New function.
11635         (Symbol_table::add_undefined_symbols_from_command_line): New
11636         function.
11637         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11638         function.
11639         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11640         (Symbol::output_section): Likewise.
11641         (Symbol::set_output_section): Likewise.
11642         (Symbol_table::sized_finalize_symbol): Likewise.
11643         (Symbol_table::sized_write_globals): Likewise.
11644         * resolve.cc (Symbol_table::should_override): Likewise.
11645         (Symbol::override_base_with_special): Likewise.
11646
11647         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11648         symbol, change it to have default visibility.
11649         * testsuite/protected_1.cc: New file.
11650         * testsuite/protected_2.cc: New file.
11651         * testsuite/protected_3.cc: New file.
11652         * testsuite/protected_main_1.cc: New file.
11653         * testsuite/protected_main_2.cc: New file.
11654         * testsuite/protected_main_3.cc: New file.
11655         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11656         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11657         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11658         (protected_1.so): New target.
11659         (protected_1_pic.o, protected_2_pic.o): New targets.
11660         (protected_3_pic.o): New target.
11661         (check_PROGRAMS): Add protected_2.
11662         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11663         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11664         * testsuite/Makefile.in: Rebuild.
11665
11666         * options.h (DEFINE_var): Add set_user_set_##varname__.
11667         (DEFINE_bool_alias): New macro.
11668         (class General_options): Define -Bstatic using DEFINE_bool_alias
11669         rather than DEFINE_special.  Add --undefined as an alias for -z
11670         defs.
11671         * options.cc (General_options::parse_Bstatic): Remove.
11672
11673         * options.h (class General_options): Add --fatal-warnings.
11674         * main.cc (main): Implement --fatal-warnings.
11675         * errors.h (Errors::warning_count): New function.
11676
11677         * options.h (class General_options): Add -Bsymbolic-functions.
11678         * symtab.h (Symbol::is_preemptible): Check for
11679         -Bsymbolic-functions.
11680
11681 2008-05-05  Ian Lance Taylor  <iant@google.com>
11682
11683         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11684         as noVARNAME rather than no-VARNAME.
11685         (class General_options): Add option -z combreloc.
11686         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11687         get_address.
11688         (Output_reloc::sort_before) [SHT_REL]: New function.
11689         (Output_reloc::sort_before) [SHT_RELA]: New function.
11690         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11691         Sort_relocs_comparison.
11692         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11693         parameter.  Change all callers.
11694         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11695         sort_relocs parameter.  Change all callers.
11696         * output.cc (Output_reloc::get_address): New function, broken out
11697         of write_rel.
11698         (Output_reloc::write_rel): Call it.
11699         (Output_reloc::compare): New function.
11700         (Output_data_reloc_base::do_write): Optionally sort relocs.
11701
11702         * configure.ac: If targ_extra_obj is set, link it in.
11703         * configure.tgt: Initialize all variables.
11704         (x86_64*): Set targ_extra_obj and targ_extra_size.
11705         * configure: Rebuild.
11706
11707         * object.cc (Sized_relobj::include_section_group): Adjust section
11708         indexes read from group data.  Build vector to pass to
11709         layout_group.
11710         * layout.cc (Layout::layout_group): Add flags and shndxes
11711         parameters.  Remove contents parameter.  Change caller.  Update
11712         explicit instantiations.
11713         * layout.h (class Layout): Update layout_group declaration.
11714         * output.cc (Output_data_group::Output_data_group): Add flags and
11715         input_shndxes parameters.  Remove contents parameter.  Change
11716         caller.
11717         (Output_data_group::do_write): Change input_sections_ to
11718         input_shndxes_.
11719         * output.h (class Output_data_group): Update constructor
11720         declaration.  Rename input_sections_ to input_shndxes_.
11721         * testsuite/many_sections_test.cc: Add template.
11722
11723 2008-04-30  Cary Coutant  <ccoutant@google.com>
11724
11725         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11726
11727         * layout.cc (Layout::include_section): Refactored check for debug
11728         info section.
11729         (Layout::add_comdat): Add new parameters.  Change type
11730         of signature parameter.  Add object and shndx to signatures table.
11731         (Layout::find_kept_object): New function.
11732         * layout.h: Include <cstring>.
11733         (Layout::is_debug_info_section): New function.
11734         (Layout::add_comdat): Add new parameters.
11735         (Layout::find_kept_object): New function.
11736         (Layout::Kept_section): New struct.
11737         (Layout::Signatures): Change type of map range.
11738         * object.cc (Relobj::output_section_address): New function.
11739         (Sized_relobj::include_section_group): Add new parameters.  Change
11740         calls to Layout::add_comdat.  Change to build table of kept comdat
11741         groups and table mapping discarded sections to kept sections.
11742         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11743         (Sized_relobj::do_layout): Change calls to include_section_group and
11744         include_linkonce_section.
11745         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11746         value to zero when section is discarded.
11747         (Sized_relobj::map_to_kept_section): New function.
11748         * object.h (Relobj::output_section_address): New function.
11749         (Relobj::Comdat_group): New type.
11750         (Relobj::find_comdat_group): New function.
11751         (Relobj::Comdat_group_table): New type.
11752         (Relobj::Kept_comdat_section): New type.
11753         (Relobj::Kept_comdat_section_table): New type.
11754         (Relobj::add_comdat_group): New function.
11755         (Relobj::set_kept_comdat_section): New function.
11756         (Relobj::get_kept_comdat_section): New function.
11757         (Relobj::comdat_groups_): New field.
11758         (Relobj::kept_comdat_sections_): New field.
11759         (Symbol_value::input_value): Update comment.
11760         (Sized_relobj::map_to_kept_section) New function.
11761         (Sized_relobj::include_linkonce_section): Add new parameter.
11762         * target-reloc.h (Comdat_behavior): New type.
11763         (get_comdat_behavior): New function.
11764         (relocate_section): Add code to map a discarded section to the
11765         corresponding kept section when applying a relocation.
11766
11767 2008-04-30  Craig Silverstein  <csilvers@google.com>
11768
11769         * dwarf_reader.cc (next_generation_count): New static var.
11770         (Addr2line_cache_entry): New struct.
11771         (addr2line_cache): New static var.
11772         (Dwarf_line_info::one_addr2line): Added caching.
11773         (Dwarf_line_info::clear_addr2line_cache): New function.
11774         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11775         cache-size parameter.
11776         (Dwarf_line_info::one_addr2line_cache): New function.
11777         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11778         new cache-size argument to one_addr2line(), and clear cache.
11779
11780 2008-04-28  Cary Coutant  <ccoutant@google.com>
11781
11782         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11783         R_386_PC8 relocations.
11784
11785 2008-04-23  Ian Lance Taylor  <iant@google.com>
11786
11787         * object.cc (Sized_relobj::include_section_group): Check for
11788         invalid section group.
11789
11790         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11791         header size.
11792
11793         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11794         than read for file header.
11795         * archive.cc (Archive::include_member): Likewise.
11796
11797 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11798
11799         * aclocal.m4: Regenerate.
11800         * configure: Regenerate.
11801
11802 2008-04-19  Ian Lance Taylor  <iant@google.com>
11803
11804         * version.cc (version_string): Bump to 1.6.
11805
11806         * testsuite/Makefile.am (many_sections_r_test): New target.
11807         (many_sections_r_test_SOURCES): Remove.
11808         (many_sections_r_test_DEPENDENCIES): Remove.
11809         (many_sections_r_test_LDFLAGS): Remove.
11810         (many_sections_r_test_LDADD): Remove.
11811
11812         * object.cc (Sized_relobj::do_add_symbols): Always pass
11813         local_symbol_count_ to add_from_relobj.
11814
11815         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11816         every thousand variables.
11817         * testsuite/Makefile.in: Rebuild.
11818
11819         * object.cc (Xindex::initialize_symtab_xindex): New function.
11820         (Xindex::read_symtab_xindex): New function.
11821         (Xindex::sym_xindex_to_shndx): New function.
11822         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11823         available.
11824         (Sized_relobj::do_initialize_xindex): New function.
11825         (Sized_relobj::do_read_symbols): Adjust section links.
11826         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11827         parameter.  Change all callers.
11828         (Sized_relobj::include_section_group): Adjust section links and
11829         symbol section indexes.
11830         (Sized_relobj::do_layout): Adjust section links.
11831         (Sized_relobj::do_count_local_symbols): Adjust section links and
11832         symbol section indexes.
11833         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11834         ordinary and special symbols.
11835         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11836         dynsym_xindex parameters.  Change all callers.  Adjust section
11837         links.  Use SHN_XINDEX when needed.
11838         (Sized_relobj::get_symbol_location_info): Adjust section links.
11839         Don't get fooled by special symbols.
11840         * object.h (class Xindex): Define.
11841         (class Object): Add xindex_ parameter.  Declare virtual functoin
11842         do_initialize_xindex.
11843         (Object::adjust_sym_shndx): New function.
11844         (Object::set_xindex): New protected function.
11845         (class Symbol_value): Add is_ordinary_shndx_ field.
11846         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11847         (Symbol_value::value): Assert ordinary section.
11848         (Symbol_value::initialize_input_to_output_map): Likewise.
11849         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11850         Change all callers.
11851         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11852         all callers.
11853         (class Sized_relobj): Update declarations.
11854         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11855         parameter.  Change all callers.
11856         (Sized_relobj::adjust_shndx): New function.
11857         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11858         field.
11859         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11860         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11861         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11862         (Sized_dynobj::read_dynsym_section): Adjust section links.
11863         (Sized_dynobj::read_dynamic): Likewise.
11864         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11865         section links.
11866         (Sized_dynobj::do_initialize_xindex): New function.
11867         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11868         do_initialize_xindex.
11869         (Sized_dynobj::adjust_shndx): New function.
11870         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11871         dynsym_xindex_ fields.
11872         (Layout::finalize): Add a call to set_section_indexes before
11873         creating the symtab sections.
11874         (Layout::set_section_indexes): Don't do anything if the section
11875         already has a section index.
11876         (Layout::create_symtab_sections): Add shnum parameter.  Change
11877         caller.  Create .symtab_shndx section if needed.
11878         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11879         caller.
11880         (Layout::allocated_output_section_count): New function.
11881         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11882         needed.
11883         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11884         fields.  Update declarations.
11885         (Layout::symtab_xindex): New function.
11886         (Layout::dynsym_xindex): New function.
11887         (class Write_symbols_task): Add layout_ field.
11888         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11889         Change caller.
11890         * output.cc (Output_section_headers::Output_section_headers): Add
11891         shstrtab_section parameter.  Change all callers.
11892         (Output_section_headers::do_sized_write): Store overflow values
11893         for section count and section string table section index in
11894         section header zero.
11895         (Output_file_header::do_sized_write): Check for overflow of
11896         section count and section string table section index.
11897         (Output_symtab_xindex::do_write): New function.
11898         (Output_symtab_xindex::endian_do_write): New function.
11899         * output.h (class Output_section_headers): Add shstrtab_section_.
11900         Update declarations.
11901         (class Output_symtab_xindex): Define.
11902         (Output_section::has_out_shndx): New function.
11903         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11904         field.
11905         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11906         Change all callers.
11907         (Sized_symbol::init): Likewise.
11908         (Symbol::output_section): Check for ordinary symbol.
11909         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11910         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11911         callers.
11912         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11913         Change all callers.  Simplify handling of symbols from sections
11914         not included in the link.
11915         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11916         distinction.
11917         (Weak_alias_sorter::operator()): Assert that symbols are
11918         ordinary.
11919         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11920         distinction.
11921         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11922         parameters.  Change all callers.
11923         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11924         symbol distinction.  Use SHN_XINDEX when needed.
11925         (Symbol_table::write_section_symbol): Add symtab_xindex
11926         parameter.  Change all callers.
11927         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11928         SHN_XINDEX when needed.
11929         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11930         declarations.
11931         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11932         (Symbol::is_defined): Check is_ordinary.
11933         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11934         (Symbol::is_absolute, Symbol::is_common): Likewise.
11935         (class Sized_symbol): Update declarations.
11936         (class Symbol_table): Update declarations.
11937         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11938         parameters.  Change all callers.
11939         (Sized_symbol::override): Likewise.
11940         (Symbol_table::override): Likewise.
11941         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11942         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11943         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11944         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11945         to be in an ordinary section.
11946         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11947         object and is_ordinary parameters.  Change all callers.
11948         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11949         Change all callers.  Don't add undefined or non-ordinary symbols
11950         to reloc_map_.
11951         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11952         Change all callers.
11953         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11954         declarations.
11955         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11956         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11957         (Sized_relobj::relocate_sections): Likewise.
11958         * target-reloc.h (scan_relocs): Adjust section symbol index.
11959         (scan_relocatable_relocs): Likewise.
11960         * i386.cc (Scan::local): Check for ordinary symbols.
11961         * sparc.cc (Scan::local): Likewise.
11962         * x86_64.cc (Scan::local): Likewise.
11963         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11964         to symbol_section_and_value.
11965         * testsuite/many_sections_test.cc: New file.
11966         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11967         (check_PROGRAMS): Add many_sections_test.
11968         (many_sections_test_SOURCES): Define.
11969         (many_sections_test_DEPENDENCIES): Define.
11970         (many_sections_test_LDFLAGS): Define.
11971         (BUILT_SOURCES): Add many_sections_define.h.
11972         (many_sections_define.h): New target.
11973         (BUILT_SOURCES): Add many_sections_check.h.
11974         (many_sections_check.h): New target.
11975         (check_PROGRAMS): Add many_sections_r_test.
11976         (many_sections_r_test_SOURCES): Define.
11977         (many_sections_r_test_DEPENDENCIES): Define.
11978         (many_sections_r_test_LDFLAGS): Define.
11979         (many_sections_r_test_LDADD): Define.
11980         (many_sections_r_test.o): New target.
11981         * testsuite/Makefile.in: Rebuild.
11982
11983 2008-04-17  Cary Coutant  <ccoutant@google.com>
11984
11985         * errors.cc (Errors::info): New function.
11986         (gold_info): New function.
11987         * errors.h (Errors::info): New function.
11988         * gold.h (gold_info): New function.
11989         * object.cc (Input_objects::add_object): Print trace output.
11990         * options.cc (options::parse_set): New function.
11991         (General_options::parse_wrap): Deleted.
11992         (General_options::General_options): Deleted initializer.
11993         * options.h (options::String_set): New typedef.
11994         (options::parse_set): New function.
11995         (DEFINE_set): New macro.
11996         (General_options::wrap): Changed to use DEFINE_set. Changed
11997         callers of any_wrap_symbols and is_wrap_symbol.
11998         (General_options::trace, General_options::trace_symbol):
11999         New options.
12000         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12001         (General_options::wrap_symbols_): Deleted.
12002         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12003
12004 2008-04-17  David S. Miller  <davem@davemloft.net>
12005
12006         * options.cc (General_options::parse_V): New function.
12007         * options.h: Add entries for -V and -Qy.
12008
12009 2008-04-17  Ian Lance Taylor  <iant@google.com>
12010
12011         * common.cc (Symbol_table::allocate_commons): Remove options
12012         parameter.  Change caller.
12013         (Symbol_table::do_allocate_commons): Remove options parameter.
12014         Change caller.  Just call do_allocate_commons_list twice.
12015         (Symbol_table::do_allocate_commons_list): New function, broken out
12016         of do_allocate_commons.
12017         * common.h (class Allocate_commons_task): Remove options_ field.
12018         Update constructor.
12019         * symtab.cc (Symbol_table::Symbol_table): Initialize
12020         tls_commons_.
12021         (Symbol_table::add_from_object): Put TLS common symbols on
12022         tls_commons_ list.
12023         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12024         which are IN_OUTPUT_DATA.
12025         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12026         allocate_commons and do_allocate_commons declarations.  Declare
12027         do_allocate_commons_list.
12028         * gold.cc (queue_middle_tasks): Update creation of
12029         Allocate_commons_task to not pass options.
12030         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12031         (TLS_TEST_C_FLAGS): New variable.
12032         (tls_test_c_pic.o): New target.
12033         (tls_test_shared.so): Link in tls_test_c_pic.o.
12034         (tls_test_c_pic_ie.o): New target.
12035         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12036         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12037         (tls_test_c.o): New target.
12038         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12039         (tls_pic_test_LDADD): Likewise.
12040         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12041         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12042         (tls_test_c_gnu2.o): New target.
12043         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12044         tls_test_c_gnu2.o.
12045         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12046         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12047         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12048         * testsuite/tls_test.cc: Include "config.h".
12049         (t_last): Call t11_last.
12050         * testsuite/tls_test.h (t11, t11_last): Declare.
12051         * testsuite/tls_test_c.c: New file.
12052         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12053         * configure.ac: Check for OpenMP support.
12054         * configure, config.in, Makefile.in: Rebuild.
12055         * testsuite/Makefile.in: Rebuild.
12056
12057 2008-04-16  Cary Coutant  <ccoutant@google.com>
12058
12059         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12060         (Target_i386::tls_base_symbol_defined_): New field.
12061         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12062         (Target_i386::Scan::global): Likewise.
12063         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12064         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12065         (Target_x86_64::tls_base_symbol_defined_): New field.
12066         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12067         (Target_x86_64::Scan::global): Likewise.
12068
12069 2008-04-16  Cary Coutant  <ccoutant@google.com>
12070
12071         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12072         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12073         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12074         building shared libraries.
12075         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12076         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12077         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12078         * testsuite/Makefile.in: Rebuild.
12079         * testsuite/weak_undef.h: New file.
12080         * testsuite/weak_undef_file1.cc: Add extra test cases.
12081         * testsuite/weak_undef_file2.cc: Likewise.
12082         * testsuite/weak_undef_test.cc: Likewise.
12083
12084 2008-04-16  David S. Miller  <davem@davemloft.net>
12085
12086         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12087         Add issued_non_pic_error_ field.  Declare check_non_pic.
12088         (Target_sparc::Scan::check_non_pic): New function.
12089         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12090         (Target_sparc::Scan::global): Likewise.
12091
12092         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12093         * configure: Rebuild.
12094
12095         * options.h (DEFINE_enable): New macro.
12096         (new_dtags): New enable option.
12097         (initfirst, interpose, loadfltr, nodefaultlib,
12098         nodelete, nodlopen, nodump): New -z options.
12099         * layout.cc (Layout:finish_dynamic_section): If new
12100         dtags enabled, emit DT_RUNPATH.  Also, emit a
12101         DT_FLAGS_1 containing any specified -z flags.
12102
12103 2008-04-16  Ian Lance Taylor  <iant@google.com>
12104
12105         * copy-relocs.cc: New file.
12106         * copy-relocs.h: New file.
12107         * reloc.cc: Remove Copy_relocs code.
12108         * reloc.h: Likewise.
12109         * reloc-types.h (struct Reloc_types) [both versions]: Add
12110         get_reloc_addend_noerror.
12111         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12112         variants of add_global which take an addend which must be zero.
12113         * i386.cc: Include "copy-relocs.h".
12114         (class Target_i386): Change type of copy_relocs_ to variable,
12115         update initializer.
12116         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12117         Change all callers.
12118         (Target_i386::do_finalize_sections): Change handling of
12119         copy_relocs_.
12120         * sparc.cc: Include "copy-relocs.h".
12121         (class Target_sparc): Change type of copy_relocs_ to variable,
12122         update initializer.
12123         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12124         Change all callers.
12125         (Target_sparc::do_finalize_sections): Change handling of
12126         copy_relocs_.
12127         * x86_64.cc: Include "copy-relocs.h".
12128         (class Target_x86_64): Change type of copy_relocs_ to variable,
12129         update initializer.
12130         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12131         class.  Change all callers.
12132         (Target_x86_64::do_finalize_sections): Change handling of
12133         copy_relocs_.
12134         * Makefile.am (CCFILES): Add copy-relocs.cc.
12135         (HFILES): Add copy-relocs.h.
12136
12137         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12138
12139         * testsuite/script_test_4.sh: Permit leading zeroes.
12140
12141 2008-04-15  Ian Lance Taylor  <iant@google.com>
12142
12143         * script-sections.cc (Script_sections::create_segments): Use
12144         header_size_adjustment even when there is enough room for the
12145         headers.
12146         * testsuite/script_test_4.sh: New file.
12147         * testsuite/script_test_4.t: New file.
12148         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12149         (check_DATA): Add script_test_4.stdout.
12150         (MOSTLYCLEANFILES): Likewise.
12151         (script_test_4): New target.
12152         (script_test_4.stdout): New target.
12153         * testsuite/Makefile.in: Rebuild.
12154
12155         * sparc.cc: Add definitions for Output_data_plt_sparc class
12156         constants.
12157
12158 2008-04-14  David S. Miller  <davem@davemloft.net>
12159
12160         * sparc.cc: New file.
12161         * Makefile.am (TARGETSOURCES): Add sparc.cc
12162         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12163         * configure.tgt: Document targ_extra_size and
12164         targ_extra_big_endian.  Add entries for sparc-* and
12165         sparc64-*.
12166         * configure.ac: Handle targ_extra_size and
12167         targ_extra_big_endian.
12168         * Makefile.in: Rebuild.
12169         * configure: Likewise.
12170         * po/POTFILES.in: Likewise.
12171         * po/gold.pot: Likewise.
12172
12173 2008-04-14  Ian Lance Taylor  <iant@google.com>
12174
12175         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12176         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12177         in the name/type/flags to section mapping.  Don't call
12178         allocate_output_section.
12179         (Layout::choose_output_section): Change parameter from adjust_name
12180         to is_input_section.  Don't permit input sections after sections
12181         are attached to segments.  Don't call allocate_output_section.
12182         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12183         not write_enable_output_section.
12184         (Layout::make_output_section): Don't push to
12185         unattached_section_list_ nor call attach_to_segment.  Call
12186         attach_section_to_segment if sections are attached.
12187         (Layout::attach_sections_to_segments): New function.
12188         (Layout::attach_section_to_segment): New function.
12189         (Layout::attach_allocated_section_to_segment): Rename from
12190         attach_to_segment.  Remove flags parameter.
12191         (Layout::allocate_output_section): Remove function.
12192         (Layout::write_enable_output_section): Remove function.
12193         * layout.h (class Layout): Update for above changes.  Add new
12194         field sections_are_attached_.
12195         * output.h (Output_section::update_flags_for_input_section): New
12196         function.
12197         * output.cc (Output_section::add_input_section): Call
12198         update_flags_for_input_section.
12199         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12200
12201 2008-04-11  Cary Coutant  <ccoutant@google.com>
12202
12203         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12204         thought unnecessary.
12205         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12206
12207 2008-04-11  Ian Lance Taylor  <iant@google.com>
12208
12209         * output.h (class Output_section_data): Remove inline definition
12210         of set_addralign.
12211         * output.cc (Output_section_data::set_addralign): New function.
12212
12213 2008-04-11  Cary Coutant  <ccoutant@google.com>
12214
12215         Add support for TLS descriptors for i386 and x86_64.
12216         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12217         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12218         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12219         GOT_TYPE_TLS_DESC.
12220         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12221         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12222         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12223         relocations.
12224         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12225         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12226         Fix problem with initial-exec relocations.
12227         (Target_i386::Relocate::relocate_tls): Likewise.
12228         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12229         relaxation.
12230         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12231         support for section-plus-offset dynamic table entries.
12232         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12233         (Output_data_dynamic::Dynamic_entry): Add support for
12234         section-plus-offset dynamic table entries.
12235         (Output_data_dynamic::Classification): Likewise.
12236         (Output_data_dynamic::classification_): Renamed offset_.
12237         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12238         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12239         (Target_x86_64::make_plt_section): New function.
12240         (Target_x86_64::reserve_tlsdesc_entries): New function.
12241         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12242         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12243         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12244         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12245         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12246         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12247         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12248         add extra PLT entry for TLS descriptors.
12249         (Output_data_plt_x86_64::got_): New field.
12250         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12251         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12252         fields.
12253         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12254         descriptors.
12255         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12256         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12257         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12258         R_386_TLS_DESC_CALL relocations.
12259         (Target_x86_64::Scan::global): Likewise.
12260         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12261         for TLS descriptors.
12262         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12263         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12264         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12265         GD-to-IE relaxation.
12266         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12267         and TLS_DESCRIPTORS.
12268         * Makefile.in: Rebuild.
12269         * configure: Rebuild.
12270         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12271         (tls_test_shared2.so): New target.
12272         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12273         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12274         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12275         (tls_shared_gd_to_ie_test_LDADD): New variable.
12276         (tls_shared_gnu2_gd_to_ie_test): New target.
12277         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12278         New targets.
12279         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12280         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12281         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12282         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12283         (tls_shared_gnu2_test): New target.
12284         (tls_test_gnu2_shared.so): New target.
12285         (tls_shared_gnu2_test_SOURCES): New variable.
12286         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12287         (tls_shared_gnu2_test_LDFLAGS): New variable.
12288         (tls_shared_gnu2_test_LDADD): New variable.
12289         * testsuite/Makefile.in: Rebuild.
12290         * testsuite/Makefile.
12291
12292 2008-04-11  Ian Lance Taylor  <iant@google.com>
12293
12294         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12295         justsyms.t.
12296         * testsuite/Makefile.in: Rebuild.
12297
12298         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12299         long.
12300         * testsuite/script_test_2.cc (main): Adjust test.
12301
12302 2008-04-11  David S. Miller  <davem@davemloft.net>
12303             Ian Lance Taylor  <iant@google.com>
12304
12305         * options.h (General_options): Add entries for '-Y' and
12306         '-relax'.
12307         * options.cc (General_options:finalize): If -Y was used, add those
12308         entries to the library path instead of the default "/lib" and
12309         "/usr/lib".
12310
12311 2008-04-11  David S. Miller  <davem@davemloft.net>
12312
12313         * testsuite/justsyms.t: Start at 0x100.
12314         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12315         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12316         long.
12317         * testsuite/script_test_2.cc: Adjust string and section length
12318         checks.
12319
12320 2008-04-09  Ian Lance Taylor  <iant@google.com>
12321
12322         PR gold/5996
12323         * script-sections.cc (Sections_element::allocate_to_segment): Add
12324         orphan parameter.
12325         (Output_section_definition::allocate_to_segment): Likewise.
12326         (Orphan_output_section::allocate_to_segment): Likewise.
12327         (Script_sections::attach_sections_using_phdrs_clause): Don't
12328         propagate non-PT_LOAD segments to orphan sections.
12329         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12330         readelf rather than objdump.
12331         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12332         .interp section and PT_INTERP segment are the same size.
12333         * testsuite/Makefile.in: Rebuild.
12334
12335         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12336         aliases for symbols defined in the same object.
12337         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12338         (weak_alias_test_SOURCES): New variable.
12339         (weak_alias_test_DEPENDENCIES): New variable.
12340         (weak_alias_test_LDFLAGS): New variable.
12341         (weak_alias_test_LDADD): New variable.
12342         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12343         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12344         (weak_alias_test_3.o): New target.
12345         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12346         * testsuite/weak_alias_test_main.cc: New file.
12347         * testsuite/weak_alias_test_1.cc: New file.
12348         * testsuite/weak_alias_test_2.cc: New file.
12349         * testsuite/weak_alias_test_3.cc: New file.
12350
12351 2008-04-08  Ian Lance Taylor  <iant@google.com>
12352
12353         * options.h (class General_options): Add --noinhibit-exec option.
12354         * main.cc (main): Check --noinhibit-exec.
12355
12356         * options.h (class General_options): Define --wrap as a special
12357         option.  Add wrap_symbols_ field.
12358         (General_options::any_wrap_symbols): New function.
12359         (General_options::is_wrap_symbol): New function.
12360         * options.cc (General_options::parse_wrap): New function.
12361         (General_options::General_options): Initialize wrap_symbols_.
12362         * symtab.cc (Symbol_table::wrap_symbol): New function.
12363         (Symbol_table::add_from_object): Handle --wrap.
12364         * symtab.h (class Symbol_table): Declare wrap_symbol.
12365         * target.h (Target::wrap_char): New function.
12366         (Target::Target_info): Add wrap_char field.
12367         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12368         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12369         * testsuite/testfile.cc (Target_test::test_target_info):
12370         Likewise.
12371
12372         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12373         there is one.
12374
12375         * layout.h (class Layout): Add added_eh_frame_data_ field.
12376         * layout.cc (Layout::Layout): Initialize new field.
12377         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12378         output section until we find a section we merged successfully.
12379         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12380         that the size be non-zero.
12381
12382         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12383         qualifier.
12384
12385 2008-04-08  Craig Silverstein  <csilvers@google.com>
12386
12387         * configure.ac: Export new conditional variable HAVE_ZLIB.
12388         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12389         on HAVE_ZLIB.
12390         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12391         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12392
12393 2008-04-07  Ian Lance Taylor  <iant@google.com>
12394
12395         * version.cc (version_string): Set to "1.5".
12396
12397         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12398         Add issued_non_pic_error_ field.  Declare check_non_pic.
12399         (Target_x86_64::Scan::check_non_pic): New function.
12400         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12401         (Target_x86_64::Scan::global): Likewise.
12402
12403         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12404         addend parameter.  Change caller.  Handle merge sections.
12405         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12406         Address to Addend.  Don't add in the result of
12407         local_section_offset, pass down the addend and use the returned
12408         value.
12409         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12410         Update declarations of local_section_offset and symbol_value.
12411         * testsuite/two_file_test_1.cc (t18): New function.
12412         * testsuite/two_file_test_2.cc (f18): New function.
12413         * testsuite/two_file_test_main.cc (main): Call t18.
12414         * testsuite/two_file_test.h (t18, f18): Declare.
12415
12416         * configure.ac: Don't test for objdump, c++filt, or readelf.
12417         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12418         conditionals.
12419         (TEST_READELF): New variable.
12420         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12421         (check_PROGRAMS): Add two_file_strip_test.
12422         (two_file_strip_test): New target.
12423         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12424         (two_file_same_shared_strip_test_SOURCES): New variable.
12425         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12426         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12427         (two_file_same_shared_strip_test_LDADD): New variable.
12428         (two_file_shared_strip.so): New target.
12429         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12430         (ver_test_5.syms, ver_test_7.syms): Likewise.
12431         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12432         (strip_test_3.stdout): Use TEST_OBJDUMP.
12433         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12434
12435 2008-04-04  Cary Coutant  <ccoutant@google.com>
12436
12437         * symtab.h (Symbol::is_weak_undefined): New function.
12438         (Symbol::is_strong_undefined): New function.
12439         (Symbol::is_absolute): New function.
12440         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12441         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12442         absolute symbols.
12443         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12444         (weak_undef_test): New target.
12445         * testsuite/Makefile.in: Rebuild.
12446         * testsuite/weak_undef_file1.cc: New file.
12447         * testsuite/weak_undef_file2.cc: New file.
12448         * testsuite/weak_undef_test.cc: New file.
12449
12450 2008-04-03  Craig Silverstein  <csilvers@google.com>
12451
12452         * compressed_output.h (class Output_compressed_section): Use
12453         unsigned buffer.
12454         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12455         add zlib header.
12456         (zlib_compressed_suffix): Removed.
12457         (Output_compressed_section::set_final_data_size): Use unsigned
12458         buffers.
12459         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12460         Fix linker invocation.
12461         (flagstest_o_specialfile_and_compress_debug_sections):
12462         Likewise.
12463         * testsuite/Makefile.in: Regenerated.
12464
12465 2008-04-02  David S. Miller  <davem@davemloft.net>
12466
12467         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12468         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12469
12470 2008-04-02  Craig Silverstein  <csilvers@google.com>
12471
12472         * TODO: New file.
12473
12474 2008-04-02  Ian Lance Taylor  <iant@google.com>
12475
12476         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12477         parameters.  Update for new key type to views_.  Change all
12478         callers.
12479         (File_read::read): Adjust for byteshift in returned view.
12480         (File_read::add_view): New function, broken out of
12481         find_and_make_view.
12482         (File_read::make_view): New function, broken out of
12483         find_and_make_view.
12484         (File_read::find_or_make_view): Add offset and aligned
12485         parameters.  Rewrite accordingly.  Change all callers.
12486         (File_read::get_view): Add offset and aligned parameters.  Adjust
12487         for byteshift in return value.
12488         (File_read::get_lasting_view): Likewise.
12489         * fileread.h (class File_read): Update declarations.
12490         (class File_read::View): Add byteshift_ field.  Add byteshift to
12491         constructor.  Add byteshift method.
12492         * archive.h (Archive::clear_uncached_views): New function.
12493         (Archive::get_view): Add aligned parameter.  Change all callers.
12494         * object.h (Object::get_view): Add aligned parameter.  Change all
12495         callers.
12496         (Object::get_lasting_view): Likewise.
12497
12498         * fileread.cc (File_read::release): Don't call clear_views if
12499         there are multiple objects.
12500         * fileread.h (File_read::clear_uncached_views): New function.
12501         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12502         on the archive.
12503
12504 2008-03-31  Cary Coutant  <ccoutant@google.com>
12505
12506         Add thin archive support.
12507         * archive.cc (Archive::armagt): New const.
12508         (Archive::setup): Remove task parameter and calls to unlock.
12509         (Archive::unlock_nested_archives): New function.
12510         (Archive::read_header): Add nested_off parameter. Change
12511         all callers.
12512         (Archive::interpret_header): Likewise.
12513         (Archive::include_all_members): Change to handle thin
12514         archives.
12515         (Archive::include_member): Likewise.
12516         * archive.h (Archive::Archive): Add new parameters and
12517         initializers.
12518         (Archive::armagt): New const.
12519         (Archive::setup): Remove task parameter.
12520         (Archive::unlock_nested_archives): New function.
12521         (Archive::read_header): Add nested_off parameter.
12522         (Archive::interpret_header): Likewise.
12523         (Archive::Nested_archive_table): New typedef.
12524         (Archive::is_thin_archive_): New field.
12525         (Archive::nested_archives_): New field.
12526         (Archive::options_): New field.
12527         (Archive::dirpath_): New field.
12528         (Archive::task_): New field.
12529         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12530         for thin archives.  Pass additional parameters to
12531         Archive::Archive.  Unlock the archive file after calling
12532         Archive::setup.
12533
12534 2008-03-29  Ian Lance Taylor  <iant@google.com>
12535
12536         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12537         version symbol to be local.
12538         * testsuite/ver_test_4.sh: New file.
12539         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12540         (check_DATA): Add ver_test_4.syms.
12541         (ver_test_4.syms): New target.
12542         * testsuite/Makefile.in: Rebuild.
12543
12544         * output.cc
12545         (Output_section::Input_section_sort_entry::has_priority): New
12546         function.
12547         (Output_section::Input_section_sort_entry::match_file_name): New
12548         function.
12549         (Output_section::Input_section_sort_entry::match_section_name):
12550         Remove.
12551         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12552         Remove.
12553         (Output_section::Input_section_sort_entry::match_section_file):
12554         Remove.
12555         (Output_section::Input_section_sort_compare::operator()): Rewrite
12556         using new Input_section_sort_entry functions.  Sort crtbegin and
12557         crtend first.  Sort sections with no priority before sections with
12558         a priority.
12559         * testsuite/initpri1.c (d3): Check j != 4.
12560         (cd5): New constructor/destructor function.
12561         (main): Check j != 2.
12562
12563         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12564         new symbol when resolving, don't call set_is_default.
12565         * testsuite/ver_test_7.cc: New file.
12566         * testsuite/ver_test_7.sh: New file.
12567         * testsuite/Makefile.am (ver_test_7.so): New target.
12568         (ver_test_7.o): New target.
12569         (check_SCRIPTS): Add ver_test_7.sh.
12570         (check_DATA): Add ver_test_7.syms.
12571         (ver_test_7.syms): New target.
12572
12573 2008-03-28  Ian Lance Taylor  <iant@google.com>
12574
12575         * layout.cc (Layout::layout): If we see an input section with a
12576         name that needs sorting, set the must_sort flag for the output
12577         section.
12578         (Layout::make_output_section): If the name of the output section
12579         indicates that it might require sorting, set the may_sort flag.
12580         * output.h (Output_section::may_sort_attached_input_sections): New
12581         function.
12582         (Output_section::set_may_sort_attached_input_sections): New
12583         function.
12584         (Output_section::must_sort_attached_input_sections): New
12585         function.
12586         (Output_section::set_must_sort_attached_input_sections): New
12587         function.
12588         (class Output_section): Declare Input_section_sort_entry.  Define
12589         Input_section_sort_compare.  Declare
12590         sort_attached_input_sections.  Add new fields:
12591         may_sort_attached_input_sections_,
12592         must_sort_attached_input_sections_,
12593         attached_input_sections_are_sorted_.
12594         * output.cc (Output_section::Output_section): Initialize new
12595         fields.
12596         (Output_section::add_input_section): Add an entry to
12597         input_sections_ if may_sort or must_sort are true.
12598         (Output_section::set_final_data_size): Call
12599         sort_attached_input_sections if necessary.
12600         (Output_section::Input_section_sort_entry): Define new class.
12601         (Output_section::Input_section_sort_compare::operator()): New
12602         function.
12603         (Output_section::sort_attached_input_sections): New function.
12604         * configure.ac: Check whether the compiler supports constructor
12605         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12606         * testsuite/initpri1.c: New file.
12607         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12608         CONSTRUCTOR_PRIORITY.
12609         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12610         (initpri1_LDFLAGS): New variable.
12611         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12612
12613 2008-03-27  Ian Lance Taylor  <iant@google.com>
12614
12615         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12616         * testsuite/common_test_1.c: New file.
12617         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12618         (common_test_1_SOURCES): New variable.
12619         (common_test_1_DEPENDENCIES): New variable.
12620         (common_test_1_LDFLAGS): New variable.
12621
12622         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12623         and commons_ correctly when NAME/VERSION does not override
12624         NAME/NULL.
12625         * testsuite/ver_test_6.c: New file.
12626         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12627         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12628         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12629
12630 2008-03-26  Ian Lance Taylor  <iant@google.com>
12631
12632         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12633         of an undefined symbol from a version script.
12634         * testsuite/Makefile.am (ver_test_5.so): New target.
12635         (ver_test_5.o): New target.
12636         (check_SCRIPTS): Add ver_test_5.sh.
12637         (check_DATA): Add ver_test_5.syms.
12638         (ver_test_5.syms): New target.
12639         * testsuite/ver_test_5.cc: New file.
12640         * testsuite/ver_test_5.script: New file.
12641         * testsuite/ver_test_5.sh: New file.
12642         * Makefile.in, testsuite/Makefile.in: Rebuild.
12643
12644         PR gold/5986
12645         Fix problems building gold with gcc 4.3.0.
12646         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12647         (gold_error_at_location, gold_warning_at_location): Use it.
12648         * configure.ac: Check whether we can compile and use a template
12649         function with a printf attribute.
12650         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12651         when jumping over bytes.
12652         * object.cc: Instantiate Object::read_section_data.
12653         * debug.h: Include <cstring>
12654         * dwarf_reader.cc: Include <algorithm>
12655         * main.cc: Include <cstring>.
12656         * options.cc: Include <cstring>.
12657         * output.cc: Include <cstring>.
12658         * script.cc: Include <cstring>.
12659         * script.h: Include <string>.
12660         * symtab.cc: Include <cstring> and <algorithm>.
12661         * target-select.cc: Include <cstring>.
12662         * version.cc: Include <string>.
12663         * testsuite/testmain.cc: Include <cstdlib>.
12664         * configure, config.in: Rebuild.
12665
12666 2008-03-25  Ian Lance Taylor  <iant@google.com>
12667
12668         * options.cc: Include "../bfd/bfdver.h".
12669         (options::help): Print bug reporting address.
12670
12671         * version.cc (print_version): Adjust output for current value of
12672         BFD_VERSION_STRING.
12673
12674         * NEWS: New file.
12675
12676         * options.cc (options::help): Print list of supported targets.
12677         * target-select.h: Include <vector>.
12678         (class Target_selector): Make machine_, size_, and is_big_endian_
12679         fields const.  Add bfd_name_ and instantiated_target_ fields.
12680         (Target_selector::Target_selector): Add bfd_name parameter.
12681         (Target_selector::recognize): Make non-virtual, call
12682         do_recognize.
12683         (Target_selector::recognize_by_name): Make non-virtual, call
12684         do_recognize_by_name.
12685         (Target_selector::supported_names): New function.
12686         (Target_selector::bfd_name): New function.
12687         (Target_selector::do_instantiate_target): New pure virtual
12688         function.
12689         (Target_selector::do_recognize): New virtual function.
12690         (Target_selector::do_recognize_by_name): New virtual function.
12691         (Target_selector::instantiate_target): New private function.
12692         (supported_target_names): Declare.
12693         * target-select.cc (Target_selector::Target_selector): Update for
12694         new parameter and fields.
12695         (select_target_by_name): Check that the name matches before
12696         calling recognize_by_name.
12697         (supported_target_names): New function.
12698         * i386.cc (class Target_selector_i386): Update Target_selector
12699         constructor call.  Remove recognize and recognize_by_name.  Add
12700         do_instantiate_target.
12701         * x86_64.cc (class Target_selector_x86_64): Likewise.
12702         * testsuite/testfile.cc (class Target_selector_test): Update for
12703         changes to Target_selector.
12704
12705         * README: Rewrite, with some notes on unsupported features.
12706
12707 2008-03-24  Cary Coutant  <ccoutant@google.com>
12708
12709         * i386.cc (Target_i386::Got_type): New enum declaration.
12710         (Target_i386::Scan::local): Updated callers of Output_data_got
12711         member functions.
12712         (Target_i386::Scan::global): Likewise.
12713         (Target_i386::Relocate::relocate): Likewise.
12714         (Target_i386::Relocate::relocate_tls): Likewise.
12715         * object.h (Got_offset_list): New class.
12716         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12717         (Sized_relobj::local_got_offset): Likewise.
12718         (Sized_relobj::set_local_got_offset): Likewise.
12719         (Sized_relobj::local_has_tls_got_offset): Removed.
12720         (Sized_relobj::local_tls_got_offset): Removed.
12721         (Sized_relobj::set_local_tls_got_offset): Removed.
12722         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12723         * output.cc (Output_data_got::add_global): Added got_type parameter.
12724         (Output_data_got::add_global_with_rel): Likewise.
12725         (Output_data_got::add_global_with_rela): Likewise.
12726         (Output_data_got::add_global_pair_with_rel): New function.
12727         (Output_data_got::add_global_pair_with_rela): New function.
12728         (Output_data_got::add_local): Added got_type parameter.
12729         (Output_data_got::add_local_with_rel): Likewise.
12730         (Output_data_got::add_local_with_rela): Likewise.
12731         (Output_data_got::add_local_pair_with_rel): New function.
12732         (Output_data_got::add_local_pair_with_rela): New function.
12733         (Output_data_got::add_global_tls): Removed.
12734         (Output_data_got::add_global_tls_with_rel): Removed.
12735         (Output_data_got::add_global_tls_with_rela): Removed.
12736         (Output_data_got::add_local_tls): Removed.
12737         (Output_data_got::add_local_tls_with_rel): Removed.
12738         (Output_data_got::add_local_tls_with_rela): Removed.
12739         * output.h (Output_data_got::add_global): Added got_type parameter.
12740         (Output_data_got::add_global_with_rel): Likewise.
12741         (Output_data_got::add_global_with_rela): Likewise.
12742         (Output_data_got::add_global_pair_with_rel): New function.
12743         (Output_data_got::add_global_pair_with_rela): New function.
12744         (Output_data_got::add_local): Added got_type parameter.
12745         (Output_data_got::add_local_with_rel): Likewise.
12746         (Output_data_got::add_local_with_rela): Likewise.
12747         (Output_data_got::add_local_pair_with_rel): New function.
12748         (Output_data_got::add_local_pair_with_rela): New function.
12749         (Output_data_got::add_global_tls): Removed.
12750         (Output_data_got::add_global_tls_with_rel): Removed.
12751         (Output_data_got::add_global_tls_with_rela): Removed.
12752         (Output_data_got::add_local_tls): Removed.
12753         (Output_data_got::add_local_tls_with_rel): Removed.
12754         (Output_data_got::add_local_tls_with_rela): Removed.
12755         * resolve.cc (Symbol::override_base_with_special): Removed
12756         reference to has_got_offset_ field.
12757         * symtab.cc (Symbol::init_fields): Replaced initialization
12758         of got_offset_ with got_offsets_.  Removed initialization
12759         of has_got_offset_
12760         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12761         (Symbol::got_offset): Likewise.
12762         (Symbol::set_got_offset): Likewise.
12763         (Symbol::has_tls_got_offset): Removed.
12764         (Symbol::tls_got_offset): Removed.
12765         (Symbol::set_tls_got_offset): Removed.
12766         (Symbol::got_offset_): Removed.
12767         (Symbol::tls_mod_got_offset_): Removed.
12768         (Symbol::tls_pair_got_offset_): Removed.
12769         (Symbol::got_offsets_): New field.
12770         (Symbol::has_got_offset): Removed.
12771         (Symbol::has_tls_mod_got_offset): Removed.
12772         (Symbol::has_tls_pair_got_offset): Removed.
12773         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12774         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12775         member functions.
12776         (Target_x86_64::Scan::global): Likewise.
12777         (Target_x86_64::Relocate::relocate): Likewise.
12778         (Target_x86_64::Relocate::relocate_tls): Likewise.
12779
12780 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12781
12782         * yyscript.y: Fix spelling error in comment.
12783
12784 2008-03-24  Ian Lance Taylor  <iant@google.com>
12785
12786         * options.h (class General_options): Define build_id option.
12787         * layout.h (class Layout): Declare write_build_id, create_note,
12788         create_build_id.  Add build_id_note_ member.
12789         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12790         "libiberty.h", "md5.h", "sha1.h".
12791         (Layout::Layout): Initialize eh_frame_data_,
12792         eh_frame_hdr_section_, and build_id_note_.
12793         (Layout::finalize): Call create_build_id.
12794         (Layout::create_note): New function, broken out of
12795         Layout::create_gold_note.
12796         (Layout::create_gold_note): Call create_note.
12797         (Layout::create_build_id): New function.
12798         (Layout::write_build_id): New function.
12799         (Close_task_runner::run): Call write_build_id.
12800
12801         * x86_64.cc: Correct license to GPLv3.
12802
12803 2008-03-23  Ian Lance Taylor  <iant@google.com>
12804
12805         * options.cc: Include "demangle.h".
12806         (parse_optional_string): New function.
12807         (parse_long_option): Handle takes_optional_argument.
12808         (parse_short_option): Update dash_z initializer.  Handle
12809         takes_optional_argument.
12810         (General_options::General_options): Initialize do_demangle_.
12811         (General_options::finalize): Set do_demangle_.  Handle demangling
12812         style.
12813         * options.h (parse_optional_string): Declare.
12814         (struct One_option): Add optional_arg field.  Update constructor.
12815         Update call constructor calls.  Add takes_optional_argument
12816         function.
12817         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12818         (DEFINE_optional_string): Define.
12819         (General_options::demangle): Change from DEFINE_bool to
12820         DEFINE_optional_string.
12821         (General_options::no_demangle): New function.
12822         (General_options::do_demangle): New function.
12823         (General_options::set_do_demangle): New function.
12824         (General_options::execstack_status_): Move definition to end of
12825         class definition.
12826         (General_options::static_): Likewise.
12827         (General_options::do_demangle_): New field.
12828         * object.cc (big_endian>::get_symbol_location_info): Call
12829         Options::do_demangle, not Options::demangle.
12830         * symtab.cc (demangle): Likewise.
12831
12832 2008-03-22  Ian Lance Taylor  <iant@google.com>
12833
12834         * gold.h: Include <cstddef> and <sys/types.h>
12835         * options.h: Include <cstring>.
12836
12837 2008-03-21  Ian Lance Taylor  <iant@google.com>
12838
12839         * Added source code to GNU binutils.